Place ipuv3 files and headers in custom driver subdirectory.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
source "drivers/video/bridge/Kconfig"
-config VIDEO_IPUV3
- bool "i.MX IPUv3 Core video support"
- depends on (VIDEO || DM_VIDEO) && (MX5 || MX6)
- help
- This enables framebuffer driver for i.MX processors working
- on the IPUv3(Image Processing Unit) internal graphic processor.
+source "drivers/video/imx/Kconfig"
config VIDEO
bool "Enable legacy video support"
obj-$(CONFIG_VIDEO_DW_HDMI) += dw_hdmi.o
obj-$(CONFIG_VIDEO_EFI) += efi.o
obj-$(CONFIG_VIDEO_FSL_DCU_FB) += fsl_dcu_fb.o videomodes.o
-obj-$(CONFIG_VIDEO_IPUV3) += mxc_ipuv3_fb.o ipu_common.o ipu_disp.o
+obj-$(CONFIG_VIDEO_IPUV3) += imx/
obj-$(CONFIG_VIDEO_IVYBRIDGE_IGD) += ivybridge_igd.o
obj-$(CONFIG_VIDEO_LCD_ANX9804) += anx9804.o
obj-$(CONFIG_VIDEO_LCD_HITACHI_TX18D42VM) += hitachi_tx18d42vm_lcd.o
--- /dev/null
+
+config VIDEO_IPUV3
+ bool "i.MX IPUv3 Core video support"
+ depends on (VIDEO || DM_VIDEO) && (MX5 || MX6)
+ help
+ This enables framebuffer driver for i.MX processors working
+ on the IPUv3(Image Processing Unit) internal graphic processor.
+
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2000-2007
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+
+obj-y += mxc_ipuv3_fb.o ipu_common.o ipu_disp.o
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Porting to u-boot:
+ *
+ * (C) Copyright 2010
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de
+ *
+ * Linux IPU driver for MX51:
+ *
+ * (C) Copyright 2005-2010 Freescale Semiconductor, Inc.
+ */
+
+#ifndef __ASM_ARCH_IPU_H__
+#define __ASM_ARCH_IPU_H__
+
+#include <linux/types.h>
+#include <ipu_pixfmt.h>
+
+#define IDMA_CHAN_INVALID 0xFF
+#define HIGH_RESOLUTION_WIDTH 1024
+
+struct clk {
+ const char *name;
+ int id;
+ /* Source clock this clk depends on */
+ struct clk *parent;
+ /* Secondary clock to enable/disable with this clock */
+ struct clk *secondary;
+ /* Current clock rate */
+ unsigned long rate;
+ /* Reference count of clock enable/disable */
+ __s8 usecount;
+ /* Register bit position for clock's enable/disable control. */
+ u8 enable_shift;
+ /* Register address for clock's enable/disable control. */
+ void *enable_reg;
+ u32 flags;
+ /*
+ * Function ptr to recalculate the clock's rate based on parent
+ * clock's rate
+ */
+ void (*recalc) (struct clk *);
+ /*
+ * Function ptr to set the clock to a new rate. The rate must match a
+ * supported rate returned from round_rate. Leave blank if clock is not
+ * programmable
+ */
+ int (*set_rate) (struct clk *, unsigned long);
+ /*
+ * Function ptr to round the requested clock rate to the nearest
+ * supported rate that is less than or equal to the requested rate.
+ */
+ unsigned long (*round_rate) (struct clk *, unsigned long);
+ /*
+ * Function ptr to enable the clock. Leave blank if clock can not
+ * be gated.
+ */
+ int (*enable) (struct clk *);
+ /*
+ * Function ptr to disable the clock. Leave blank if clock can not
+ * be gated.
+ */
+ void (*disable) (struct clk *);
+ /* Function ptr to set the parent clock of the clock. */
+ int (*set_parent) (struct clk *, struct clk *);
+};
+
+/*
+ * Enumeration of Synchronous (Memory-less) panel types
+ */
+typedef enum {
+ IPU_PANEL_SHARP_TFT,
+ IPU_PANEL_TFT,
+} ipu_panel_t;
+
+/*
+ * IPU Driver channels definitions.
+ * Note these are different from IDMA channels
+ */
+#define IPU_MAX_CH 32
+#define _MAKE_CHAN(num, v_in, g_in, a_in, out) \
+ ((num << 24) | (v_in << 18) | (g_in << 12) | (a_in << 6) | out)
+#define _MAKE_ALT_CHAN(ch) (ch | (IPU_MAX_CH << 24))
+#define IPU_CHAN_ID(ch) (ch >> 24)
+#define IPU_CHAN_ALT(ch) (ch & 0x02000000)
+#define IPU_CHAN_ALPHA_IN_DMA(ch) ((uint32_t) (ch >> 6) & 0x3F)
+#define IPU_CHAN_GRAPH_IN_DMA(ch) ((uint32_t) (ch >> 12) & 0x3F)
+#define IPU_CHAN_VIDEO_IN_DMA(ch) ((uint32_t) (ch >> 18) & 0x3F)
+#define IPU_CHAN_OUT_DMA(ch) ((uint32_t) (ch & 0x3F))
+#define NO_DMA 0x3F
+#define ALT 1
+
+/*
+ * Enumeration of IPU logical channels. An IPU logical channel is defined as a
+ * combination of an input (memory to IPU), output (IPU to memory), and/or
+ * secondary input IDMA channels and in some cases an Image Converter task.
+ * Some channels consist of only an input or output.
+ */
+typedef enum {
+ CHAN_NONE = -1,
+
+ MEM_DC_SYNC = _MAKE_CHAN(7, 28, NO_DMA, NO_DMA, NO_DMA),
+ MEM_DC_ASYNC = _MAKE_CHAN(8, 41, NO_DMA, NO_DMA, NO_DMA),
+ MEM_BG_SYNC = _MAKE_CHAN(9, 23, NO_DMA, 51, NO_DMA),
+ MEM_FG_SYNC = _MAKE_CHAN(10, 27, NO_DMA, 31, NO_DMA),
+
+ MEM_BG_ASYNC0 = _MAKE_CHAN(11, 24, NO_DMA, 52, NO_DMA),
+ MEM_FG_ASYNC0 = _MAKE_CHAN(12, 29, NO_DMA, 33, NO_DMA),
+ MEM_BG_ASYNC1 = _MAKE_ALT_CHAN(MEM_BG_ASYNC0),
+ MEM_FG_ASYNC1 = _MAKE_ALT_CHAN(MEM_FG_ASYNC0),
+
+ DIRECT_ASYNC0 = _MAKE_CHAN(13, NO_DMA, NO_DMA, NO_DMA, NO_DMA),
+ DIRECT_ASYNC1 = _MAKE_CHAN(14, NO_DMA, NO_DMA, NO_DMA, NO_DMA),
+
+} ipu_channel_t;
+
+/*
+ * Enumeration of types of buffers for a logical channel.
+ */
+typedef enum {
+ IPU_OUTPUT_BUFFER = 0, /*< Buffer for output from IPU */
+ IPU_ALPHA_IN_BUFFER = 1, /*< Buffer for input to IPU */
+ IPU_GRAPH_IN_BUFFER = 2, /*< Buffer for input to IPU */
+ IPU_VIDEO_IN_BUFFER = 3, /*< Buffer for input to IPU */
+ IPU_INPUT_BUFFER = IPU_VIDEO_IN_BUFFER,
+ IPU_SEC_INPUT_BUFFER = IPU_GRAPH_IN_BUFFER,
+} ipu_buffer_t;
+
+#define IPU_PANEL_SERIAL 1
+#define IPU_PANEL_PARALLEL 2
+
+struct ipu_channel {
+ u8 video_in_dma;
+ u8 alpha_in_dma;
+ u8 graph_in_dma;
+ u8 out_dma;
+};
+
+enum ipu_dmfc_type {
+ DMFC_NORMAL = 0,
+ DMFC_HIGH_RESOLUTION_DC,
+ DMFC_HIGH_RESOLUTION_DP,
+ DMFC_HIGH_RESOLUTION_ONLY_DP,
+};
+
+
+/*
+ * Union of initialization parameters for a logical channel.
+ */
+typedef union {
+ struct {
+ uint32_t di;
+ unsigned char interlaced;
+ } mem_dc_sync;
+ struct {
+ uint32_t temp;
+ } mem_sdc_fg;
+ struct {
+ uint32_t di;
+ unsigned char interlaced;
+ uint32_t in_pixel_fmt;
+ uint32_t out_pixel_fmt;
+ unsigned char alpha_chan_en;
+ } mem_dp_bg_sync;
+ struct {
+ uint32_t temp;
+ } mem_sdc_bg;
+ struct {
+ uint32_t di;
+ unsigned char interlaced;
+ uint32_t in_pixel_fmt;
+ uint32_t out_pixel_fmt;
+ unsigned char alpha_chan_en;
+ } mem_dp_fg_sync;
+} ipu_channel_params_t;
+
+/*
+ * Enumeration of IPU interrupts.
+ */
+enum ipu_irq_line {
+ IPU_IRQ_DP_SF_END = 448 + 3,
+ IPU_IRQ_DC_FC_1 = 448 + 9,
+};
+
+/*
+ * Bitfield of Display Interface signal polarities.
+ */
+typedef struct {
+ unsigned datamask_en:1;
+ unsigned ext_clk:1;
+ unsigned interlaced:1;
+ unsigned odd_field_first:1;
+ unsigned clksel_en:1;
+ unsigned clkidle_en:1;
+ unsigned data_pol:1; /* true = inverted */
+ unsigned clk_pol:1; /* true = rising edge */
+ unsigned enable_pol:1;
+ unsigned Hsync_pol:1; /* true = active high */
+ unsigned Vsync_pol:1;
+} ipu_di_signal_cfg_t;
+
+typedef enum {
+ RGB,
+ YCbCr,
+ YUV
+} ipu_color_space_t;
+
+/* Common IPU API */
+int32_t ipu_init_channel(ipu_channel_t channel, ipu_channel_params_t *params);
+void ipu_uninit_channel(ipu_channel_t channel);
+
+int32_t ipu_init_channel_buffer(ipu_channel_t channel, ipu_buffer_t type,
+ uint32_t pixel_fmt,
+ uint16_t width, uint16_t height,
+ uint32_t stride,
+ dma_addr_t phyaddr_0, dma_addr_t phyaddr_1,
+ uint32_t u_offset, uint32_t v_offset);
+
+int32_t ipu_update_channel_buffer(ipu_channel_t channel, ipu_buffer_t type,
+ uint32_t bufNum, dma_addr_t phyaddr);
+
+int32_t ipu_is_channel_busy(ipu_channel_t channel);
+void ipu_clear_buffer_ready(ipu_channel_t channel, ipu_buffer_t type,
+ uint32_t bufNum);
+int32_t ipu_enable_channel(ipu_channel_t channel);
+int32_t ipu_disable_channel(ipu_channel_t channel);
+
+int32_t ipu_init_sync_panel(int disp,
+ uint32_t pixel_clk,
+ uint16_t width, uint16_t height,
+ uint32_t pixel_fmt,
+ uint16_t h_start_width, uint16_t h_sync_width,
+ uint16_t h_end_width, uint16_t v_start_width,
+ uint16_t v_sync_width, uint16_t v_end_width,
+ uint32_t v_to_h_sync, ipu_di_signal_cfg_t sig);
+
+int32_t ipu_disp_set_global_alpha(ipu_channel_t channel, unsigned char enable,
+ uint8_t alpha);
+int32_t ipu_disp_set_color_key(ipu_channel_t channel, unsigned char enable,
+ uint32_t colorKey);
+
+uint32_t bytes_per_pixel(uint32_t fmt);
+
+void clk_enable(struct clk *clk);
+void clk_disable(struct clk *clk);
+u32 clk_get_rate(struct clk *clk);
+int clk_set_rate(struct clk *clk, unsigned long rate);
+long clk_round_rate(struct clk *clk, unsigned long rate);
+int clk_set_parent(struct clk *clk, struct clk *parent);
+int clk_get_usecount(struct clk *clk);
+struct clk *clk_get_parent(struct clk *clk);
+
+void ipu_dump_registers(void);
+int ipu_probe(void);
+bool ipu_clk_enabled(void);
+
+void ipu_dmfc_init(int dmfc_type, int first);
+void ipu_init_dc_mappings(void);
+void ipu_dmfc_set_wait4eot(int dma_chan, int width);
+void ipu_dc_init(int dc_chan, int di, unsigned char interlaced);
+void ipu_dc_uninit(int dc_chan);
+void ipu_dp_dc_enable(ipu_channel_t channel);
+int ipu_dp_init(ipu_channel_t channel, uint32_t in_pixel_fmt,
+ uint32_t out_pixel_fmt);
+void ipu_dp_uninit(ipu_channel_t channel);
+void ipu_dp_dc_disable(ipu_channel_t channel, unsigned char swap);
+ipu_color_space_t format_to_colorspace(uint32_t fmt);
+#endif
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Porting to u-boot:
+ *
+ * (C) Copyright 2010
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de
+ *
+ * Linux IPU driver for MX51:
+ *
+ * (C) Copyright 2005-2010 Freescale Semiconductor, Inc.
+ */
+
+/* #define DEBUG */
+#include <common.h>
+#include <linux/types.h>
+#include <linux/err.h>
+#include <asm/io.h>
+#include <linux/errno.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/sys_proto.h>
+#include <div64.h>
+#include "ipu.h"
+#include "ipu_regs.h"
+
+extern struct mxc_ccm_reg *mxc_ccm;
+extern u32 *ipu_cpmem_base;
+
+struct ipu_ch_param_word {
+ uint32_t data[5];
+ uint32_t res[3];
+};
+
+struct ipu_ch_param {
+ struct ipu_ch_param_word word[2];
+};
+
+#define ipu_ch_param_addr(ch) (((struct ipu_ch_param *)ipu_cpmem_base) + (ch))
+
+#define _param_word(base, w) \
+ (((struct ipu_ch_param *)(base))->word[(w)].data)
+
+#define ipu_ch_param_set_field(base, w, bit, size, v) { \
+ int i = (bit) / 32; \
+ int off = (bit) % 32; \
+ _param_word(base, w)[i] |= (v) << off; \
+ if (((bit) + (size) - 1) / 32 > i) { \
+ _param_word(base, w)[i + 1] |= (v) >> (off ? (32 - off) : 0); \
+ } \
+}
+
+#define ipu_ch_param_mod_field(base, w, bit, size, v) { \
+ int i = (bit) / 32; \
+ int off = (bit) % 32; \
+ u32 mask = (1UL << size) - 1; \
+ u32 temp = _param_word(base, w)[i]; \
+ temp &= ~(mask << off); \
+ _param_word(base, w)[i] = temp | (v) << off; \
+ if (((bit) + (size) - 1) / 32 > i) { \
+ temp = _param_word(base, w)[i + 1]; \
+ temp &= ~(mask >> (32 - off)); \
+ _param_word(base, w)[i + 1] = \
+ temp | ((v) >> (off ? (32 - off) : 0)); \
+ } \
+}
+
+#define ipu_ch_param_read_field(base, w, bit, size) ({ \
+ u32 temp2; \
+ int i = (bit) / 32; \
+ int off = (bit) % 32; \
+ u32 mask = (1UL << size) - 1; \
+ u32 temp1 = _param_word(base, w)[i]; \
+ temp1 = mask & (temp1 >> off); \
+ if (((bit)+(size) - 1) / 32 > i) { \
+ temp2 = _param_word(base, w)[i + 1]; \
+ temp2 &= mask >> (off ? (32 - off) : 0); \
+ temp1 |= temp2 << (off ? (32 - off) : 0); \
+ } \
+ temp1; \
+})
+
+#define IPU_SW_RST_TOUT_USEC (10000)
+
+#define IPUV3_CLK_MX51 133000000
+#define IPUV3_CLK_MX53 200000000
+#define IPUV3_CLK_MX6Q 264000000
+#define IPUV3_CLK_MX6DL 198000000
+
+void clk_enable(struct clk *clk)
+{
+ if (clk) {
+ if (clk->usecount++ == 0) {
+ clk->enable(clk);
+ }
+ }
+}
+
+void clk_disable(struct clk *clk)
+{
+ if (clk) {
+ if (!(--clk->usecount)) {
+ if (clk->disable)
+ clk->disable(clk);
+ }
+ }
+}
+
+int clk_get_usecount(struct clk *clk)
+{
+ if (clk == NULL)
+ return 0;
+
+ return clk->usecount;
+}
+
+u32 clk_get_rate(struct clk *clk)
+{
+ if (!clk)
+ return 0;
+
+ return clk->rate;
+}
+
+struct clk *clk_get_parent(struct clk *clk)
+{
+ if (!clk)
+ return 0;
+
+ return clk->parent;
+}
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ if (!clk)
+ return 0;
+
+ if (clk->set_rate)
+ clk->set_rate(clk, rate);
+
+ return clk->rate;
+}
+
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ if (clk == NULL || !clk->round_rate)
+ return 0;
+
+ return clk->round_rate(clk, rate);
+}
+
+int clk_set_parent(struct clk *clk, struct clk *parent)
+{
+ clk->parent = parent;
+ if (clk->set_parent)
+ return clk->set_parent(clk, parent);
+ return 0;
+}
+
+static int clk_ipu_enable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg |= MXC_CCM_CCGR_CG_MASK << clk->enable_shift;
+ __raw_writel(reg, clk->enable_reg);
+
+#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
+ /* Handshake with IPU when certain clock rates are changed. */
+ reg = __raw_readl(&mxc_ccm->ccdr);
+ reg &= ~MXC_CCM_CCDR_IPU_HS_MASK;
+ __raw_writel(reg, &mxc_ccm->ccdr);
+
+ /* Handshake with IPU when LPM is entered as its enabled. */
+ reg = __raw_readl(&mxc_ccm->clpcr);
+ reg &= ~MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS;
+ __raw_writel(reg, &mxc_ccm->clpcr);
+#endif
+ return 0;
+}
+
+static void clk_ipu_disable(struct clk *clk)
+{
+ u32 reg;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg &= ~(MXC_CCM_CCGR_CG_MASK << clk->enable_shift);
+ __raw_writel(reg, clk->enable_reg);
+
+#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
+ /*
+ * No handshake with IPU whe dividers are changed
+ * as its not enabled.
+ */
+ reg = __raw_readl(&mxc_ccm->ccdr);
+ reg |= MXC_CCM_CCDR_IPU_HS_MASK;
+ __raw_writel(reg, &mxc_ccm->ccdr);
+
+ /* No handshake with IPU when LPM is entered as its not enabled. */
+ reg = __raw_readl(&mxc_ccm->clpcr);
+ reg |= MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS;
+ __raw_writel(reg, &mxc_ccm->clpcr);
+#endif
+}
+
+
+static struct clk ipu_clk = {
+ .name = "ipu_clk",
+#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
+ .enable_reg = (u32 *)(CCM_BASE_ADDR +
+ offsetof(struct mxc_ccm_reg, CCGR5)),
+ .enable_shift = MXC_CCM_CCGR5_IPU_OFFSET,
+#else
+ .enable_reg = (u32 *)(CCM_BASE_ADDR +
+ offsetof(struct mxc_ccm_reg, CCGR3)),
+ .enable_shift = MXC_CCM_CCGR3_IPU1_IPU_DI0_OFFSET,
+#endif
+ .enable = clk_ipu_enable,
+ .disable = clk_ipu_disable,
+ .usecount = 0,
+};
+
+#if !defined CONFIG_SYS_LDB_CLOCK
+#define CONFIG_SYS_LDB_CLOCK 65000000
+#endif
+
+static struct clk ldb_clk = {
+ .name = "ldb_clk",
+ .rate = CONFIG_SYS_LDB_CLOCK,
+ .usecount = 0,
+};
+
+/* Globals */
+struct clk *g_ipu_clk;
+struct clk *g_ldb_clk;
+unsigned char g_ipu_clk_enabled;
+struct clk *g_di_clk[2];
+struct clk *g_pixel_clk[2];
+unsigned char g_dc_di_assignment[10];
+uint32_t g_channel_init_mask;
+uint32_t g_channel_enable_mask;
+
+static int ipu_dc_use_count;
+static int ipu_dp_use_count;
+static int ipu_dmfc_use_count;
+static int ipu_di_use_count[2];
+
+u32 *ipu_cpmem_base;
+u32 *ipu_dc_tmpl_reg;
+
+/* Static functions */
+
+static inline void ipu_ch_param_set_high_priority(uint32_t ch)
+{
+ ipu_ch_param_mod_field(ipu_ch_param_addr(ch), 1, 93, 2, 1);
+};
+
+static inline uint32_t channel_2_dma(ipu_channel_t ch, ipu_buffer_t type)
+{
+ return ((uint32_t) ch >> (6 * type)) & 0x3F;
+};
+
+/* Either DP BG or DP FG can be graphic window */
+static inline int ipu_is_dp_graphic_chan(uint32_t dma_chan)
+{
+ return (dma_chan == 23 || dma_chan == 27);
+}
+
+static inline int ipu_is_dmfc_chan(uint32_t dma_chan)
+{
+ return ((dma_chan >= 23) && (dma_chan <= 29));
+}
+
+
+static inline void ipu_ch_param_set_buffer(uint32_t ch, int bufNum,
+ dma_addr_t phyaddr)
+{
+ ipu_ch_param_mod_field(ipu_ch_param_addr(ch), 1, 29 * bufNum, 29,
+ phyaddr / 8);
+};
+
+#define idma_is_valid(ch) (ch != NO_DMA)
+#define idma_mask(ch) (idma_is_valid(ch) ? (1UL << (ch & 0x1F)) : 0)
+#define idma_is_set(reg, dma) (__raw_readl(reg(dma)) & idma_mask(dma))
+
+static void ipu_pixel_clk_recalc(struct clk *clk)
+{
+ u32 div;
+ u64 final_rate = (unsigned long long)clk->parent->rate * 16;
+
+ div = __raw_readl(DI_BS_CLKGEN0(clk->id));
+ debug("read BS_CLKGEN0 div:%d, final_rate:%lld, prate:%ld\n",
+ div, final_rate, clk->parent->rate);
+
+ clk->rate = 0;
+ if (div != 0) {
+ do_div(final_rate, div);
+ clk->rate = final_rate;
+ }
+}
+
+static unsigned long ipu_pixel_clk_round_rate(struct clk *clk,
+ unsigned long rate)
+{
+ u64 div, final_rate;
+ u32 remainder;
+ u64 parent_rate = (unsigned long long)clk->parent->rate * 16;
+
+ /*
+ * Calculate divider
+ * Fractional part is 4 bits,
+ * so simply multiply by 2^4 to get fractional part.
+ */
+ div = parent_rate;
+ remainder = do_div(div, rate);
+ /* Round the divider value */
+ if (remainder > (rate / 2))
+ div++;
+ if (div < 0x10) /* Min DI disp clock divider is 1 */
+ div = 0x10;
+ if (div & ~0xFEF)
+ div &= 0xFF8;
+ else {
+ /* Round up divider if it gets us closer to desired pix clk */
+ if ((div & 0xC) == 0xC) {
+ div += 0x10;
+ div &= ~0xF;
+ }
+ }
+ final_rate = parent_rate;
+ do_div(final_rate, div);
+
+ return final_rate;
+}
+
+static int ipu_pixel_clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ u64 div, parent_rate;
+ u32 remainder;
+
+ parent_rate = (unsigned long long)clk->parent->rate * 16;
+ div = parent_rate;
+ remainder = do_div(div, rate);
+ /* Round the divider value */
+ if (remainder > (rate / 2))
+ div++;
+
+ /* Round up divider if it gets us closer to desired pix clk */
+ if ((div & 0xC) == 0xC) {
+ div += 0x10;
+ div &= ~0xF;
+ }
+ if (div > 0x1000)
+ debug("Overflow, DI_BS_CLKGEN0 div:0x%x\n", (u32)div);
+
+ __raw_writel(div, DI_BS_CLKGEN0(clk->id));
+
+ /*
+ * Setup pixel clock timing
+ * Down time is half of period
+ */
+ __raw_writel((div / 16) << 16, DI_BS_CLKGEN1(clk->id));
+
+ do_div(parent_rate, div);
+
+ clk->rate = parent_rate;
+
+ return 0;
+}
+
+static int ipu_pixel_clk_enable(struct clk *clk)
+{
+ u32 disp_gen = __raw_readl(IPU_DISP_GEN);
+ disp_gen |= clk->id ? DI1_COUNTER_RELEASE : DI0_COUNTER_RELEASE;
+ __raw_writel(disp_gen, IPU_DISP_GEN);
+
+ return 0;
+}
+
+static void ipu_pixel_clk_disable(struct clk *clk)
+{
+ u32 disp_gen = __raw_readl(IPU_DISP_GEN);
+ disp_gen &= clk->id ? ~DI1_COUNTER_RELEASE : ~DI0_COUNTER_RELEASE;
+ __raw_writel(disp_gen, IPU_DISP_GEN);
+
+}
+
+static int ipu_pixel_clk_set_parent(struct clk *clk, struct clk *parent)
+{
+ u32 di_gen = __raw_readl(DI_GENERAL(clk->id));
+
+ if (parent == g_ipu_clk)
+ di_gen &= ~DI_GEN_DI_CLK_EXT;
+ else if (!IS_ERR(g_di_clk[clk->id]) && parent == g_ldb_clk)
+ di_gen |= DI_GEN_DI_CLK_EXT;
+ else
+ return -EINVAL;
+
+ __raw_writel(di_gen, DI_GENERAL(clk->id));
+ ipu_pixel_clk_recalc(clk);
+ return 0;
+}
+
+static struct clk pixel_clk[] = {
+ {
+ .name = "pixel_clk",
+ .id = 0,
+ .recalc = ipu_pixel_clk_recalc,
+ .set_rate = ipu_pixel_clk_set_rate,
+ .round_rate = ipu_pixel_clk_round_rate,
+ .set_parent = ipu_pixel_clk_set_parent,
+ .enable = ipu_pixel_clk_enable,
+ .disable = ipu_pixel_clk_disable,
+ .usecount = 0,
+ },
+ {
+ .name = "pixel_clk",
+ .id = 1,
+ .recalc = ipu_pixel_clk_recalc,
+ .set_rate = ipu_pixel_clk_set_rate,
+ .round_rate = ipu_pixel_clk_round_rate,
+ .set_parent = ipu_pixel_clk_set_parent,
+ .enable = ipu_pixel_clk_enable,
+ .disable = ipu_pixel_clk_disable,
+ .usecount = 0,
+ },
+};
+
+/*
+ * This function resets IPU
+ */
+static void ipu_reset(void)
+{
+ u32 *reg;
+ u32 value;
+ int timeout = IPU_SW_RST_TOUT_USEC;
+
+ reg = (u32 *)SRC_BASE_ADDR;
+ value = __raw_readl(reg);
+ value = value | SW_IPU_RST;
+ __raw_writel(value, reg);
+
+ while (__raw_readl(reg) & SW_IPU_RST) {
+ udelay(1);
+ if (!(timeout--)) {
+ printf("ipu software reset timeout\n");
+ break;
+ }
+ };
+}
+
+/*
+ * This function is called by the driver framework to initialize the IPU
+ * hardware.
+ *
+ * @param dev The device structure for the IPU passed in by the
+ * driver framework.
+ *
+ * @return Returns 0 on success or negative error code on error
+ */
+int ipu_probe(void)
+{
+ unsigned long ipu_base;
+#if defined CONFIG_MX51
+ u32 temp;
+
+ u32 *reg_hsc_mcd = (u32 *)MIPI_HSC_BASE_ADDR;
+ u32 *reg_hsc_mxt_conf = (u32 *)(MIPI_HSC_BASE_ADDR + 0x800);
+
+ __raw_writel(0xF00, reg_hsc_mcd);
+
+ /* CSI mode reserved*/
+ temp = __raw_readl(reg_hsc_mxt_conf);
+ __raw_writel(temp | 0x0FF, reg_hsc_mxt_conf);
+
+ temp = __raw_readl(reg_hsc_mxt_conf);
+ __raw_writel(temp | 0x10000, reg_hsc_mxt_conf);
+#endif
+
+ ipu_base = IPU_CTRL_BASE_ADDR;
+ ipu_cpmem_base = (u32 *)(ipu_base + IPU_CPMEM_REG_BASE);
+ ipu_dc_tmpl_reg = (u32 *)(ipu_base + IPU_DC_TMPL_REG_BASE);
+
+ g_pixel_clk[0] = &pixel_clk[0];
+ g_pixel_clk[1] = &pixel_clk[1];
+
+ g_ipu_clk = &ipu_clk;
+#if defined(CONFIG_MX51)
+ g_ipu_clk->rate = IPUV3_CLK_MX51;
+#elif defined(CONFIG_MX53)
+ g_ipu_clk->rate = IPUV3_CLK_MX53;
+#else
+ g_ipu_clk->rate = is_mx6sdl() ? IPUV3_CLK_MX6DL : IPUV3_CLK_MX6Q;
+#endif
+ debug("ipu_clk = %u\n", clk_get_rate(g_ipu_clk));
+ g_ldb_clk = &ldb_clk;
+ debug("ldb_clk = %u\n", clk_get_rate(g_ldb_clk));
+ ipu_reset();
+
+ clk_set_parent(g_pixel_clk[0], g_ipu_clk);
+ clk_set_parent(g_pixel_clk[1], g_ipu_clk);
+ clk_enable(g_ipu_clk);
+
+ g_di_clk[0] = NULL;
+ g_di_clk[1] = NULL;
+
+ __raw_writel(0x807FFFFF, IPU_MEM_RST);
+ while (__raw_readl(IPU_MEM_RST) & 0x80000000)
+ ;
+
+ ipu_init_dc_mappings();
+
+ __raw_writel(0, IPU_INT_CTRL(5));
+ __raw_writel(0, IPU_INT_CTRL(6));
+ __raw_writel(0, IPU_INT_CTRL(9));
+ __raw_writel(0, IPU_INT_CTRL(10));
+
+ /* DMFC Init */
+ ipu_dmfc_init(DMFC_NORMAL, 1);
+
+ /* Set sync refresh channels as high priority */
+ __raw_writel(0x18800000L, IDMAC_CHA_PRI(0));
+
+ /* Set MCU_T to divide MCU access window into 2 */
+ __raw_writel(0x00400000L | (IPU_MCU_T_DEFAULT << 18), IPU_DISP_GEN);
+
+ clk_disable(g_ipu_clk);
+
+ return 0;
+}
+
+void ipu_dump_registers(void)
+{
+ debug("IPU_CONF = \t0x%08X\n", __raw_readl(IPU_CONF));
+ debug("IDMAC_CONF = \t0x%08X\n", __raw_readl(IDMAC_CONF));
+ debug("IDMAC_CHA_EN1 = \t0x%08X\n",
+ __raw_readl(IDMAC_CHA_EN(0)));
+ debug("IDMAC_CHA_EN2 = \t0x%08X\n",
+ __raw_readl(IDMAC_CHA_EN(32)));
+ debug("IDMAC_CHA_PRI1 = \t0x%08X\n",
+ __raw_readl(IDMAC_CHA_PRI(0)));
+ debug("IDMAC_CHA_PRI2 = \t0x%08X\n",
+ __raw_readl(IDMAC_CHA_PRI(32)));
+ debug("IPU_CHA_DB_MODE_SEL0 = \t0x%08X\n",
+ __raw_readl(IPU_CHA_DB_MODE_SEL(0)));
+ debug("IPU_CHA_DB_MODE_SEL1 = \t0x%08X\n",
+ __raw_readl(IPU_CHA_DB_MODE_SEL(32)));
+ debug("DMFC_WR_CHAN = \t0x%08X\n",
+ __raw_readl(DMFC_WR_CHAN));
+ debug("DMFC_WR_CHAN_DEF = \t0x%08X\n",
+ __raw_readl(DMFC_WR_CHAN_DEF));
+ debug("DMFC_DP_CHAN = \t0x%08X\n",
+ __raw_readl(DMFC_DP_CHAN));
+ debug("DMFC_DP_CHAN_DEF = \t0x%08X\n",
+ __raw_readl(DMFC_DP_CHAN_DEF));
+ debug("DMFC_IC_CTRL = \t0x%08X\n",
+ __raw_readl(DMFC_IC_CTRL));
+ debug("IPU_FS_PROC_FLOW1 = \t0x%08X\n",
+ __raw_readl(IPU_FS_PROC_FLOW1));
+ debug("IPU_FS_PROC_FLOW2 = \t0x%08X\n",
+ __raw_readl(IPU_FS_PROC_FLOW2));
+ debug("IPU_FS_PROC_FLOW3 = \t0x%08X\n",
+ __raw_readl(IPU_FS_PROC_FLOW3));
+ debug("IPU_FS_DISP_FLOW1 = \t0x%08X\n",
+ __raw_readl(IPU_FS_DISP_FLOW1));
+}
+
+/*
+ * This function is called to initialize a logical IPU channel.
+ *
+ * @param channel Input parameter for the logical channel ID to init.
+ *
+ * @param params Input parameter containing union of channel
+ * initialization parameters.
+ *
+ * @return Returns 0 on success or negative error code on fail
+ */
+int32_t ipu_init_channel(ipu_channel_t channel, ipu_channel_params_t *params)
+{
+ int ret = 0;
+ uint32_t ipu_conf;
+
+ debug("init channel = %d\n", IPU_CHAN_ID(channel));
+
+ if (g_ipu_clk_enabled == 0) {
+ g_ipu_clk_enabled = 1;
+ clk_enable(g_ipu_clk);
+ }
+
+
+ if (g_channel_init_mask & (1L << IPU_CHAN_ID(channel))) {
+ printf("Warning: channel already initialized %d\n",
+ IPU_CHAN_ID(channel));
+ }
+
+ ipu_conf = __raw_readl(IPU_CONF);
+
+ switch (channel) {
+ case MEM_DC_SYNC:
+ if (params->mem_dc_sync.di > 1) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ g_dc_di_assignment[1] = params->mem_dc_sync.di;
+ ipu_dc_init(1, params->mem_dc_sync.di,
+ params->mem_dc_sync.interlaced);
+ ipu_di_use_count[params->mem_dc_sync.di]++;
+ ipu_dc_use_count++;
+ ipu_dmfc_use_count++;
+ break;
+ case MEM_BG_SYNC:
+ if (params->mem_dp_bg_sync.di > 1) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ g_dc_di_assignment[5] = params->mem_dp_bg_sync.di;
+ ipu_dp_init(channel, params->mem_dp_bg_sync.in_pixel_fmt,
+ params->mem_dp_bg_sync.out_pixel_fmt);
+ ipu_dc_init(5, params->mem_dp_bg_sync.di,
+ params->mem_dp_bg_sync.interlaced);
+ ipu_di_use_count[params->mem_dp_bg_sync.di]++;
+ ipu_dc_use_count++;
+ ipu_dp_use_count++;
+ ipu_dmfc_use_count++;
+ break;
+ case MEM_FG_SYNC:
+ ipu_dp_init(channel, params->mem_dp_fg_sync.in_pixel_fmt,
+ params->mem_dp_fg_sync.out_pixel_fmt);
+
+ ipu_dc_use_count++;
+ ipu_dp_use_count++;
+ ipu_dmfc_use_count++;
+ break;
+ default:
+ printf("Missing channel initialization\n");
+ break;
+ }
+
+ /* Enable IPU sub module */
+ g_channel_init_mask |= 1L << IPU_CHAN_ID(channel);
+ if (ipu_dc_use_count == 1)
+ ipu_conf |= IPU_CONF_DC_EN;
+ if (ipu_dp_use_count == 1)
+ ipu_conf |= IPU_CONF_DP_EN;
+ if (ipu_dmfc_use_count == 1)
+ ipu_conf |= IPU_CONF_DMFC_EN;
+ if (ipu_di_use_count[0] == 1) {
+ ipu_conf |= IPU_CONF_DI0_EN;
+ }
+ if (ipu_di_use_count[1] == 1) {
+ ipu_conf |= IPU_CONF_DI1_EN;
+ }
+
+ __raw_writel(ipu_conf, IPU_CONF);
+
+err:
+ return ret;
+}
+
+/*
+ * This function is called to uninitialize a logical IPU channel.
+ *
+ * @param channel Input parameter for the logical channel ID to uninit.
+ */
+void ipu_uninit_channel(ipu_channel_t channel)
+{
+ uint32_t reg;
+ uint32_t in_dma, out_dma = 0;
+ uint32_t ipu_conf;
+
+ if ((g_channel_init_mask & (1L << IPU_CHAN_ID(channel))) == 0) {
+ debug("Channel already uninitialized %d\n",
+ IPU_CHAN_ID(channel));
+ return;
+ }
+
+ /*
+ * Make sure channel is disabled
+ * Get input and output dma channels
+ */
+ in_dma = channel_2_dma(channel, IPU_OUTPUT_BUFFER);
+ out_dma = channel_2_dma(channel, IPU_VIDEO_IN_BUFFER);
+
+ if (idma_is_set(IDMAC_CHA_EN, in_dma) ||
+ idma_is_set(IDMAC_CHA_EN, out_dma)) {
+ printf(
+ "Channel %d is not disabled, disable first\n",
+ IPU_CHAN_ID(channel));
+ return;
+ }
+
+ ipu_conf = __raw_readl(IPU_CONF);
+
+ /* Reset the double buffer */
+ reg = __raw_readl(IPU_CHA_DB_MODE_SEL(in_dma));
+ __raw_writel(reg & ~idma_mask(in_dma), IPU_CHA_DB_MODE_SEL(in_dma));
+ reg = __raw_readl(IPU_CHA_DB_MODE_SEL(out_dma));
+ __raw_writel(reg & ~idma_mask(out_dma), IPU_CHA_DB_MODE_SEL(out_dma));
+
+ switch (channel) {
+ case MEM_DC_SYNC:
+ ipu_dc_uninit(1);
+ ipu_di_use_count[g_dc_di_assignment[1]]--;
+ ipu_dc_use_count--;
+ ipu_dmfc_use_count--;
+ break;
+ case MEM_BG_SYNC:
+ ipu_dp_uninit(channel);
+ ipu_dc_uninit(5);
+ ipu_di_use_count[g_dc_di_assignment[5]]--;
+ ipu_dc_use_count--;
+ ipu_dp_use_count--;
+ ipu_dmfc_use_count--;
+ break;
+ case MEM_FG_SYNC:
+ ipu_dp_uninit(channel);
+ ipu_dc_use_count--;
+ ipu_dp_use_count--;
+ ipu_dmfc_use_count--;
+ break;
+ default:
+ break;
+ }
+
+ g_channel_init_mask &= ~(1L << IPU_CHAN_ID(channel));
+
+ if (ipu_dc_use_count == 0)
+ ipu_conf &= ~IPU_CONF_DC_EN;
+ if (ipu_dp_use_count == 0)
+ ipu_conf &= ~IPU_CONF_DP_EN;
+ if (ipu_dmfc_use_count == 0)
+ ipu_conf &= ~IPU_CONF_DMFC_EN;
+ if (ipu_di_use_count[0] == 0) {
+ ipu_conf &= ~IPU_CONF_DI0_EN;
+ }
+ if (ipu_di_use_count[1] == 0) {
+ ipu_conf &= ~IPU_CONF_DI1_EN;
+ }
+
+ __raw_writel(ipu_conf, IPU_CONF);
+
+ if (ipu_conf == 0) {
+ clk_disable(g_ipu_clk);
+ g_ipu_clk_enabled = 0;
+ }
+
+}
+
+static inline void ipu_ch_param_dump(int ch)
+{
+#ifdef DEBUG
+ struct ipu_ch_param *p = ipu_ch_param_addr(ch);
+ debug("ch %d word 0 - %08X %08X %08X %08X %08X\n", ch,
+ p->word[0].data[0], p->word[0].data[1], p->word[0].data[2],
+ p->word[0].data[3], p->word[0].data[4]);
+ debug("ch %d word 1 - %08X %08X %08X %08X %08X\n", ch,
+ p->word[1].data[0], p->word[1].data[1], p->word[1].data[2],
+ p->word[1].data[3], p->word[1].data[4]);
+ debug("PFS 0x%x, ",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 85, 4));
+ debug("BPP 0x%x, ",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 0, 107, 3));
+ debug("NPB 0x%x\n",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 78, 7));
+
+ debug("FW %d, ",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 0, 125, 13));
+ debug("FH %d, ",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 0, 138, 12));
+ debug("Stride %d\n",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 102, 14));
+
+ debug("Width0 %d+1, ",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 116, 3));
+ debug("Width1 %d+1, ",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 119, 3));
+ debug("Width2 %d+1, ",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 122, 3));
+ debug("Width3 %d+1, ",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 125, 3));
+ debug("Offset0 %d, ",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 128, 5));
+ debug("Offset1 %d, ",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 133, 5));
+ debug("Offset2 %d, ",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 138, 5));
+ debug("Offset3 %d\n",
+ ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 143, 5));
+#endif
+}
+
+static inline void ipu_ch_params_set_packing(struct ipu_ch_param *p,
+ int red_width, int red_offset,
+ int green_width, int green_offset,
+ int blue_width, int blue_offset,
+ int alpha_width, int alpha_offset)
+{
+ /* Setup red width and offset */
+ ipu_ch_param_set_field(p, 1, 116, 3, red_width - 1);
+ ipu_ch_param_set_field(p, 1, 128, 5, red_offset);
+ /* Setup green width and offset */
+ ipu_ch_param_set_field(p, 1, 119, 3, green_width - 1);
+ ipu_ch_param_set_field(p, 1, 133, 5, green_offset);
+ /* Setup blue width and offset */
+ ipu_ch_param_set_field(p, 1, 122, 3, blue_width - 1);
+ ipu_ch_param_set_field(p, 1, 138, 5, blue_offset);
+ /* Setup alpha width and offset */
+ ipu_ch_param_set_field(p, 1, 125, 3, alpha_width - 1);
+ ipu_ch_param_set_field(p, 1, 143, 5, alpha_offset);
+}
+
+static void ipu_ch_param_init(int ch,
+ uint32_t pixel_fmt, uint32_t width,
+ uint32_t height, uint32_t stride,
+ uint32_t u, uint32_t v,
+ uint32_t uv_stride, dma_addr_t addr0,
+ dma_addr_t addr1)
+{
+ uint32_t u_offset = 0;
+ uint32_t v_offset = 0;
+ struct ipu_ch_param params;
+
+ memset(¶ms, 0, sizeof(params));
+
+ ipu_ch_param_set_field(¶ms, 0, 125, 13, width - 1);
+
+ if ((ch == 8) || (ch == 9) || (ch == 10)) {
+ ipu_ch_param_set_field(¶ms, 0, 138, 12, (height / 2) - 1);
+ ipu_ch_param_set_field(¶ms, 1, 102, 14, (stride * 2) - 1);
+ } else {
+ ipu_ch_param_set_field(¶ms, 0, 138, 12, height - 1);
+ ipu_ch_param_set_field(¶ms, 1, 102, 14, stride - 1);
+ }
+
+ ipu_ch_param_set_field(¶ms, 1, 0, 29, addr0 >> 3);
+ ipu_ch_param_set_field(¶ms, 1, 29, 29, addr1 >> 3);
+
+ switch (pixel_fmt) {
+ case IPU_PIX_FMT_GENERIC:
+ /*Represents 8-bit Generic data */
+ ipu_ch_param_set_field(¶ms, 0, 107, 3, 5); /* bits/pixel */
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 6); /* pix format */
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 63); /* burst size */
+
+ break;
+ case IPU_PIX_FMT_GENERIC_32:
+ /*Represents 32-bit Generic data */
+ break;
+ case IPU_PIX_FMT_RGB565:
+ ipu_ch_param_set_field(¶ms, 0, 107, 3, 3); /* bits/pixel */
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 15); /* burst size */
+
+ ipu_ch_params_set_packing(¶ms, 5, 0, 6, 5, 5, 11, 8, 16);
+ break;
+ case IPU_PIX_FMT_BGR24:
+ ipu_ch_param_set_field(¶ms, 0, 107, 3, 1); /* bits/pixel */
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 19); /* burst size */
+
+ ipu_ch_params_set_packing(¶ms, 8, 0, 8, 8, 8, 16, 8, 24);
+ break;
+ case IPU_PIX_FMT_RGB24:
+ case IPU_PIX_FMT_YUV444:
+ ipu_ch_param_set_field(¶ms, 0, 107, 3, 1); /* bits/pixel */
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 19); /* burst size */
+
+ ipu_ch_params_set_packing(¶ms, 8, 16, 8, 8, 8, 0, 8, 24);
+ break;
+ case IPU_PIX_FMT_BGRA32:
+ case IPU_PIX_FMT_BGR32:
+ ipu_ch_param_set_field(¶ms, 0, 107, 3, 0); /* bits/pixel */
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 15); /* burst size */
+
+ ipu_ch_params_set_packing(¶ms, 8, 8, 8, 16, 8, 24, 8, 0);
+ break;
+ case IPU_PIX_FMT_RGBA32:
+ case IPU_PIX_FMT_RGB32:
+ ipu_ch_param_set_field(¶ms, 0, 107, 3, 0); /* bits/pixel */
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 15); /* burst size */
+
+ ipu_ch_params_set_packing(¶ms, 8, 24, 8, 16, 8, 8, 8, 0);
+ break;
+ case IPU_PIX_FMT_ABGR32:
+ ipu_ch_param_set_field(¶ms, 0, 107, 3, 0); /* bits/pixel */
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
+
+ ipu_ch_params_set_packing(¶ms, 8, 0, 8, 8, 8, 16, 8, 24);
+ break;
+ case IPU_PIX_FMT_UYVY:
+ ipu_ch_param_set_field(¶ms, 0, 107, 3, 3); /* bits/pixel */
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 0xA); /* pix format */
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 15); /* burst size */
+ break;
+ case IPU_PIX_FMT_YUYV:
+ ipu_ch_param_set_field(¶ms, 0, 107, 3, 3); /* bits/pixel */
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 0x8); /* pix format */
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 31); /* burst size */
+ break;
+ case IPU_PIX_FMT_YUV420P2:
+ case IPU_PIX_FMT_YUV420P:
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 2); /* pix format */
+
+ if (uv_stride < stride / 2)
+ uv_stride = stride / 2;
+
+ u_offset = stride * height;
+ v_offset = u_offset + (uv_stride * height / 2);
+ /* burst size */
+ if ((ch == 8) || (ch == 9) || (ch == 10)) {
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 15);
+ uv_stride = uv_stride*2;
+ } else {
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 31);
+ }
+ break;
+ case IPU_PIX_FMT_YVU422P:
+ /* BPP & pixel format */
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 1); /* pix format */
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 31); /* burst size */
+
+ if (uv_stride < stride / 2)
+ uv_stride = stride / 2;
+
+ v_offset = (v == 0) ? stride * height : v;
+ u_offset = (u == 0) ? v_offset + v_offset / 2 : u;
+ break;
+ case IPU_PIX_FMT_YUV422P:
+ /* BPP & pixel format */
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 1); /* pix format */
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 31); /* burst size */
+
+ if (uv_stride < stride / 2)
+ uv_stride = stride / 2;
+
+ u_offset = (u == 0) ? stride * height : u;
+ v_offset = (v == 0) ? u_offset + u_offset / 2 : v;
+ break;
+ case IPU_PIX_FMT_NV12:
+ /* BPP & pixel format */
+ ipu_ch_param_set_field(¶ms, 1, 85, 4, 4); /* pix format */
+ ipu_ch_param_set_field(¶ms, 1, 78, 7, 31); /* burst size */
+ uv_stride = stride;
+ u_offset = (u == 0) ? stride * height : u;
+ break;
+ default:
+ puts("mxc ipu: unimplemented pixel format\n");
+ break;
+ }
+
+
+ if (uv_stride)
+ ipu_ch_param_set_field(¶ms, 1, 128, 14, uv_stride - 1);
+
+ /* Get the uv offset from user when need cropping */
+ if (u || v) {
+ u_offset = u;
+ v_offset = v;
+ }
+
+ /* UBO and VBO are 22-bit */
+ if (u_offset/8 > 0x3fffff)
+ puts("The value of U offset exceeds IPU limitation\n");
+ if (v_offset/8 > 0x3fffff)
+ puts("The value of V offset exceeds IPU limitation\n");
+
+ ipu_ch_param_set_field(¶ms, 0, 46, 22, u_offset / 8);
+ ipu_ch_param_set_field(¶ms, 0, 68, 22, v_offset / 8);
+
+ debug("initializing idma ch %d @ %p\n", ch, ipu_ch_param_addr(ch));
+ memcpy(ipu_ch_param_addr(ch), ¶ms, sizeof(params));
+};
+
+/*
+ * This function is called to initialize a buffer for logical IPU channel.
+ *
+ * @param channel Input parameter for the logical channel ID.
+ *
+ * @param type Input parameter which buffer to initialize.
+ *
+ * @param pixel_fmt Input parameter for pixel format of buffer.
+ * Pixel format is a FOURCC ASCII code.
+ *
+ * @param width Input parameter for width of buffer in pixels.
+ *
+ * @param height Input parameter for height of buffer in pixels.
+ *
+ * @param stride Input parameter for stride length of buffer
+ * in pixels.
+ *
+ * @param phyaddr_0 Input parameter buffer 0 physical address.
+ *
+ * @param phyaddr_1 Input parameter buffer 1 physical address.
+ * Setting this to a value other than NULL enables
+ * double buffering mode.
+ *
+ * @param u private u offset for additional cropping,
+ * zero if not used.
+ *
+ * @param v private v offset for additional cropping,
+ * zero if not used.
+ *
+ * @return Returns 0 on success or negative error code on fail
+ */
+int32_t ipu_init_channel_buffer(ipu_channel_t channel, ipu_buffer_t type,
+ uint32_t pixel_fmt,
+ uint16_t width, uint16_t height,
+ uint32_t stride,
+ dma_addr_t phyaddr_0, dma_addr_t phyaddr_1,
+ uint32_t u, uint32_t v)
+{
+ uint32_t reg;
+ uint32_t dma_chan;
+
+ dma_chan = channel_2_dma(channel, type);
+ if (!idma_is_valid(dma_chan))
+ return -EINVAL;
+
+ if (stride < width * bytes_per_pixel(pixel_fmt))
+ stride = width * bytes_per_pixel(pixel_fmt);
+
+ if (stride % 4) {
+ printf(
+ "Stride not 32-bit aligned, stride = %d\n", stride);
+ return -EINVAL;
+ }
+ /* Build parameter memory data for DMA channel */
+ ipu_ch_param_init(dma_chan, pixel_fmt, width, height, stride, u, v, 0,
+ phyaddr_0, phyaddr_1);
+
+ if (ipu_is_dmfc_chan(dma_chan)) {
+ ipu_dmfc_set_wait4eot(dma_chan, width);
+ }
+
+ if (idma_is_set(IDMAC_CHA_PRI, dma_chan))
+ ipu_ch_param_set_high_priority(dma_chan);
+
+ ipu_ch_param_dump(dma_chan);
+
+ reg = __raw_readl(IPU_CHA_DB_MODE_SEL(dma_chan));
+ if (phyaddr_1)
+ reg |= idma_mask(dma_chan);
+ else
+ reg &= ~idma_mask(dma_chan);
+ __raw_writel(reg, IPU_CHA_DB_MODE_SEL(dma_chan));
+
+ /* Reset to buffer 0 */
+ __raw_writel(idma_mask(dma_chan), IPU_CHA_CUR_BUF(dma_chan));
+
+ return 0;
+}
+
+/*
+ * This function enables a logical channel.
+ *
+ * @param channel Input parameter for the logical channel ID.
+ *
+ * @return This function returns 0 on success or negative error code on
+ * fail.
+ */
+int32_t ipu_enable_channel(ipu_channel_t channel)
+{
+ uint32_t reg;
+ uint32_t in_dma;
+ uint32_t out_dma;
+
+ if (g_channel_enable_mask & (1L << IPU_CHAN_ID(channel))) {
+ printf("Warning: channel already enabled %d\n",
+ IPU_CHAN_ID(channel));
+ }
+
+ /* Get input and output dma channels */
+ out_dma = channel_2_dma(channel, IPU_OUTPUT_BUFFER);
+ in_dma = channel_2_dma(channel, IPU_VIDEO_IN_BUFFER);
+
+ if (idma_is_valid(in_dma)) {
+ reg = __raw_readl(IDMAC_CHA_EN(in_dma));
+ __raw_writel(reg | idma_mask(in_dma), IDMAC_CHA_EN(in_dma));
+ }
+ if (idma_is_valid(out_dma)) {
+ reg = __raw_readl(IDMAC_CHA_EN(out_dma));
+ __raw_writel(reg | idma_mask(out_dma), IDMAC_CHA_EN(out_dma));
+ }
+
+ if ((channel == MEM_DC_SYNC) || (channel == MEM_BG_SYNC) ||
+ (channel == MEM_FG_SYNC))
+ ipu_dp_dc_enable(channel);
+
+ g_channel_enable_mask |= 1L << IPU_CHAN_ID(channel);
+
+ return 0;
+}
+
+/*
+ * This function clear buffer ready for a logical channel.
+ *
+ * @param channel Input parameter for the logical channel ID.
+ *
+ * @param type Input parameter which buffer to clear.
+ *
+ * @param bufNum Input parameter for which buffer number clear
+ * ready state.
+ *
+ */
+void ipu_clear_buffer_ready(ipu_channel_t channel, ipu_buffer_t type,
+ uint32_t bufNum)
+{
+ uint32_t dma_ch = channel_2_dma(channel, type);
+
+ if (!idma_is_valid(dma_ch))
+ return;
+
+ __raw_writel(0xF0000000, IPU_GPR); /* write one to clear */
+ if (bufNum == 0) {
+ if (idma_is_set(IPU_CHA_BUF0_RDY, dma_ch)) {
+ __raw_writel(idma_mask(dma_ch),
+ IPU_CHA_BUF0_RDY(dma_ch));
+ }
+ } else {
+ if (idma_is_set(IPU_CHA_BUF1_RDY, dma_ch)) {
+ __raw_writel(idma_mask(dma_ch),
+ IPU_CHA_BUF1_RDY(dma_ch));
+ }
+ }
+ __raw_writel(0x0, IPU_GPR); /* write one to set */
+}
+
+/*
+ * This function disables a logical channel.
+ *
+ * @param channel Input parameter for the logical channel ID.
+ *
+ * @param wait_for_stop Flag to set whether to wait for channel end
+ * of frame or return immediately.
+ *
+ * @return This function returns 0 on success or negative error code on
+ * fail.
+ */
+int32_t ipu_disable_channel(ipu_channel_t channel)
+{
+ uint32_t reg;
+ uint32_t in_dma;
+ uint32_t out_dma;
+
+ if ((g_channel_enable_mask & (1L << IPU_CHAN_ID(channel))) == 0) {
+ debug("Channel already disabled %d\n",
+ IPU_CHAN_ID(channel));
+ return 0;
+ }
+
+ /* Get input and output dma channels */
+ out_dma = channel_2_dma(channel, IPU_OUTPUT_BUFFER);
+ in_dma = channel_2_dma(channel, IPU_VIDEO_IN_BUFFER);
+
+ if ((idma_is_valid(in_dma) &&
+ !idma_is_set(IDMAC_CHA_EN, in_dma))
+ && (idma_is_valid(out_dma) &&
+ !idma_is_set(IDMAC_CHA_EN, out_dma)))
+ return -EINVAL;
+
+ if ((channel == MEM_BG_SYNC) || (channel == MEM_FG_SYNC) ||
+ (channel == MEM_DC_SYNC)) {
+ ipu_dp_dc_disable(channel, 0);
+ }
+
+ /* Disable DMA channel(s) */
+ if (idma_is_valid(in_dma)) {
+ reg = __raw_readl(IDMAC_CHA_EN(in_dma));
+ __raw_writel(reg & ~idma_mask(in_dma), IDMAC_CHA_EN(in_dma));
+ __raw_writel(idma_mask(in_dma), IPU_CHA_CUR_BUF(in_dma));
+ }
+ if (idma_is_valid(out_dma)) {
+ reg = __raw_readl(IDMAC_CHA_EN(out_dma));
+ __raw_writel(reg & ~idma_mask(out_dma), IDMAC_CHA_EN(out_dma));
+ __raw_writel(idma_mask(out_dma), IPU_CHA_CUR_BUF(out_dma));
+ }
+
+ g_channel_enable_mask &= ~(1L << IPU_CHAN_ID(channel));
+
+ /* Set channel buffers NOT to be ready */
+ if (idma_is_valid(in_dma)) {
+ ipu_clear_buffer_ready(channel, IPU_VIDEO_IN_BUFFER, 0);
+ ipu_clear_buffer_ready(channel, IPU_VIDEO_IN_BUFFER, 1);
+ }
+ if (idma_is_valid(out_dma)) {
+ ipu_clear_buffer_ready(channel, IPU_OUTPUT_BUFFER, 0);
+ ipu_clear_buffer_ready(channel, IPU_OUTPUT_BUFFER, 1);
+ }
+
+ return 0;
+}
+
+uint32_t bytes_per_pixel(uint32_t fmt)
+{
+ switch (fmt) {
+ case IPU_PIX_FMT_GENERIC: /*generic data */
+ case IPU_PIX_FMT_RGB332:
+ case IPU_PIX_FMT_YUV420P:
+ case IPU_PIX_FMT_YUV422P:
+ return 1;
+ break;
+ case IPU_PIX_FMT_RGB565:
+ case IPU_PIX_FMT_YUYV:
+ case IPU_PIX_FMT_UYVY:
+ return 2;
+ break;
+ case IPU_PIX_FMT_BGR24:
+ case IPU_PIX_FMT_RGB24:
+ return 3;
+ break;
+ case IPU_PIX_FMT_GENERIC_32: /*generic data */
+ case IPU_PIX_FMT_BGR32:
+ case IPU_PIX_FMT_BGRA32:
+ case IPU_PIX_FMT_RGB32:
+ case IPU_PIX_FMT_RGBA32:
+ case IPU_PIX_FMT_ABGR32:
+ return 4;
+ break;
+ default:
+ return 1;
+ break;
+ }
+ return 0;
+}
+
+ipu_color_space_t format_to_colorspace(uint32_t fmt)
+{
+ switch (fmt) {
+ case IPU_PIX_FMT_RGB666:
+ case IPU_PIX_FMT_RGB565:
+ case IPU_PIX_FMT_BGR24:
+ case IPU_PIX_FMT_RGB24:
+ case IPU_PIX_FMT_BGR32:
+ case IPU_PIX_FMT_BGRA32:
+ case IPU_PIX_FMT_RGB32:
+ case IPU_PIX_FMT_RGBA32:
+ case IPU_PIX_FMT_ABGR32:
+ case IPU_PIX_FMT_LVDS666:
+ case IPU_PIX_FMT_LVDS888:
+ return RGB;
+ break;
+
+ default:
+ return YCbCr;
+ break;
+ }
+ return RGB;
+}
+
+/* should be removed when clk framework is availiable */
+int ipu_set_ldb_clock(int rate)
+{
+ ldb_clk.rate = rate;
+
+ return 0;
+}
+
+bool ipu_clk_enabled(void)
+{
+ return g_ipu_clk_enabled;
+}
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Porting to u-boot:
+ *
+ * (C) Copyright 2010
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de
+ *
+ * Linux IPU driver for MX51:
+ *
+ * (C) Copyright 2005-2010 Freescale Semiconductor, Inc.
+ */
+
+/* #define DEBUG */
+
+#include <common.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/sys_proto.h>
+#include "ipu.h"
+#include "ipu_regs.h"
+
+enum csc_type_t {
+ RGB2YUV = 0,
+ YUV2RGB,
+ RGB2RGB,
+ YUV2YUV,
+ CSC_NONE,
+ CSC_NUM
+};
+
+struct dp_csc_param_t {
+ int mode;
+ const int (*coeff)[5][3];
+};
+
+#define SYNC_WAVE 0
+
+/* DC display ID assignments */
+#define DC_DISP_ID_SYNC(di) (di)
+#define DC_DISP_ID_SERIAL 2
+#define DC_DISP_ID_ASYNC 3
+
+int dmfc_type_setup;
+static int dmfc_size_28, dmfc_size_29, dmfc_size_24, dmfc_size_27, dmfc_size_23;
+int g_di1_tvout;
+
+extern struct clk *g_ipu_clk;
+extern struct clk *g_ldb_clk;
+extern struct clk *g_di_clk[2];
+extern struct clk *g_pixel_clk[2];
+
+extern unsigned char g_ipu_clk_enabled;
+extern unsigned char g_dc_di_assignment[];
+
+void ipu_dmfc_init(int dmfc_type, int first)
+{
+ u32 dmfc_wr_chan, dmfc_dp_chan;
+
+ if (first) {
+ if (dmfc_type_setup > dmfc_type)
+ dmfc_type = dmfc_type_setup;
+ else
+ dmfc_type_setup = dmfc_type;
+
+ /* disable DMFC-IC channel*/
+ __raw_writel(0x2, DMFC_IC_CTRL);
+ } else if (dmfc_type_setup >= DMFC_HIGH_RESOLUTION_DC) {
+ printf("DMFC high resolution has set, will not change\n");
+ return;
+ } else
+ dmfc_type_setup = dmfc_type;
+
+ if (dmfc_type == DMFC_HIGH_RESOLUTION_DC) {
+ /* 1 - segment 0~3;
+ * 5B - segement 4, 5;
+ * 5F - segement 6, 7;
+ * 1C, 2C and 6B, 6F unused;
+ */
+ debug("IPU DMFC DC HIGH RES: 1(0~3), 5B(4,5), 5F(6,7)\n");
+ dmfc_wr_chan = 0x00000088;
+ dmfc_dp_chan = 0x00009694;
+ dmfc_size_28 = 256 * 4;
+ dmfc_size_29 = 0;
+ dmfc_size_24 = 0;
+ dmfc_size_27 = 128 * 4;
+ dmfc_size_23 = 128 * 4;
+ } else if (dmfc_type == DMFC_HIGH_RESOLUTION_DP) {
+ /* 1 - segment 0, 1;
+ * 5B - segement 2~5;
+ * 5F - segement 6,7;
+ * 1C, 2C and 6B, 6F unused;
+ */
+ debug("IPU DMFC DP HIGH RES: 1(0,1), 5B(2~5), 5F(6,7)\n");
+ dmfc_wr_chan = 0x00000090;
+ dmfc_dp_chan = 0x0000968a;
+ dmfc_size_28 = 128 * 4;
+ dmfc_size_29 = 0;
+ dmfc_size_24 = 0;
+ dmfc_size_27 = 128 * 4;
+ dmfc_size_23 = 256 * 4;
+ } else if (dmfc_type == DMFC_HIGH_RESOLUTION_ONLY_DP) {
+ /* 5B - segement 0~3;
+ * 5F - segement 4~7;
+ * 1, 1C, 2C and 6B, 6F unused;
+ */
+ debug("IPU DMFC ONLY-DP HIGH RES: 5B(0~3), 5F(4~7)\n");
+ dmfc_wr_chan = 0x00000000;
+ dmfc_dp_chan = 0x00008c88;
+ dmfc_size_28 = 0;
+ dmfc_size_29 = 0;
+ dmfc_size_24 = 0;
+ dmfc_size_27 = 256 * 4;
+ dmfc_size_23 = 256 * 4;
+ } else {
+ /* 1 - segment 0, 1;
+ * 5B - segement 4, 5;
+ * 5F - segement 6, 7;
+ * 1C, 2C and 6B, 6F unused;
+ */
+ debug("IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)\n");
+ dmfc_wr_chan = 0x00000090;
+ dmfc_dp_chan = 0x00009694;
+ dmfc_size_28 = 128 * 4;
+ dmfc_size_29 = 0;
+ dmfc_size_24 = 0;
+ dmfc_size_27 = 128 * 4;
+ dmfc_size_23 = 128 * 4;
+ }
+ __raw_writel(dmfc_wr_chan, DMFC_WR_CHAN);
+ __raw_writel(0x202020F6, DMFC_WR_CHAN_DEF);
+ __raw_writel(dmfc_dp_chan, DMFC_DP_CHAN);
+ /* Enable chan 5 watermark set at 5 bursts and clear at 7 bursts */
+ __raw_writel(0x2020F6F6, DMFC_DP_CHAN_DEF);
+}
+
+void ipu_dmfc_set_wait4eot(int dma_chan, int width)
+{
+ u32 dmfc_gen1 = __raw_readl(DMFC_GENERAL1);
+
+ if (width >= HIGH_RESOLUTION_WIDTH) {
+ if (dma_chan == 23)
+ ipu_dmfc_init(DMFC_HIGH_RESOLUTION_DP, 0);
+ else if (dma_chan == 28)
+ ipu_dmfc_init(DMFC_HIGH_RESOLUTION_DC, 0);
+ }
+
+ if (dma_chan == 23) { /*5B*/
+ if (dmfc_size_23 / width > 3)
+ dmfc_gen1 |= 1UL << 20;
+ else
+ dmfc_gen1 &= ~(1UL << 20);
+ } else if (dma_chan == 24) { /*6B*/
+ if (dmfc_size_24 / width > 1)
+ dmfc_gen1 |= 1UL << 22;
+ else
+ dmfc_gen1 &= ~(1UL << 22);
+ } else if (dma_chan == 27) { /*5F*/
+ if (dmfc_size_27 / width > 2)
+ dmfc_gen1 |= 1UL << 21;
+ else
+ dmfc_gen1 &= ~(1UL << 21);
+ } else if (dma_chan == 28) { /*1*/
+ if (dmfc_size_28 / width > 2)
+ dmfc_gen1 |= 1UL << 16;
+ else
+ dmfc_gen1 &= ~(1UL << 16);
+ } else if (dma_chan == 29) { /*6F*/
+ if (dmfc_size_29 / width > 1)
+ dmfc_gen1 |= 1UL << 23;
+ else
+ dmfc_gen1 &= ~(1UL << 23);
+ }
+
+ __raw_writel(dmfc_gen1, DMFC_GENERAL1);
+}
+
+static void ipu_di_data_wave_config(int di,
+ int wave_gen,
+ int access_size, int component_size)
+{
+ u32 reg;
+ reg = (access_size << DI_DW_GEN_ACCESS_SIZE_OFFSET) |
+ (component_size << DI_DW_GEN_COMPONENT_SIZE_OFFSET);
+ __raw_writel(reg, DI_DW_GEN(di, wave_gen));
+}
+
+static void ipu_di_data_pin_config(int di, int wave_gen, int di_pin, int set,
+ int up, int down)
+{
+ u32 reg;
+
+ reg = __raw_readl(DI_DW_GEN(di, wave_gen));
+ reg &= ~(0x3 << (di_pin * 2));
+ reg |= set << (di_pin * 2);
+ __raw_writel(reg, DI_DW_GEN(di, wave_gen));
+
+ __raw_writel((down << 16) | up, DI_DW_SET(di, wave_gen, set));
+}
+
+static void ipu_di_sync_config(int di, int wave_gen,
+ int run_count, int run_src,
+ int offset_count, int offset_src,
+ int repeat_count, int cnt_clr_src,
+ int cnt_polarity_gen_en,
+ int cnt_polarity_clr_src,
+ int cnt_polarity_trigger_src,
+ int cnt_up, int cnt_down)
+{
+ u32 reg;
+
+ if ((run_count >= 0x1000) || (offset_count >= 0x1000) ||
+ (repeat_count >= 0x1000) ||
+ (cnt_up >= 0x400) || (cnt_down >= 0x400)) {
+ printf("DI%d counters out of range.\n", di);
+ return;
+ }
+
+ reg = (run_count << 19) | (++run_src << 16) |
+ (offset_count << 3) | ++offset_src;
+ __raw_writel(reg, DI_SW_GEN0(di, wave_gen));
+ reg = (cnt_polarity_gen_en << 29) | (++cnt_clr_src << 25) |
+ (++cnt_polarity_trigger_src << 12) | (++cnt_polarity_clr_src << 9);
+ reg |= (cnt_down << 16) | cnt_up;
+ if (repeat_count == 0) {
+ /* Enable auto reload */
+ reg |= 0x10000000;
+ }
+ __raw_writel(reg, DI_SW_GEN1(di, wave_gen));
+ reg = __raw_readl(DI_STP_REP(di, wave_gen));
+ reg &= ~(0xFFFF << (16 * ((wave_gen - 1) & 0x1)));
+ reg |= repeat_count << (16 * ((wave_gen - 1) & 0x1));
+ __raw_writel(reg, DI_STP_REP(di, wave_gen));
+}
+
+static void ipu_dc_map_config(int map, int byte_num, int offset, int mask)
+{
+ int ptr = map * 3 + byte_num;
+ u32 reg;
+
+ reg = __raw_readl(DC_MAP_CONF_VAL(ptr));
+ reg &= ~(0xFFFF << (16 * (ptr & 0x1)));
+ reg |= ((offset << 8) | mask) << (16 * (ptr & 0x1));
+ __raw_writel(reg, DC_MAP_CONF_VAL(ptr));
+
+ reg = __raw_readl(DC_MAP_CONF_PTR(map));
+ reg &= ~(0x1F << ((16 * (map & 0x1)) + (5 * byte_num)));
+ reg |= ptr << ((16 * (map & 0x1)) + (5 * byte_num));
+ __raw_writel(reg, DC_MAP_CONF_PTR(map));
+}
+
+static void ipu_dc_map_clear(int map)
+{
+ u32 reg = __raw_readl(DC_MAP_CONF_PTR(map));
+ __raw_writel(reg & ~(0xFFFF << (16 * (map & 0x1))),
+ DC_MAP_CONF_PTR(map));
+}
+
+static void ipu_dc_write_tmpl(int word, u32 opcode, u32 operand, int map,
+ int wave, int glue, int sync)
+{
+ u32 reg;
+ int stop = 1;
+
+ reg = sync;
+ reg |= (glue << 4);
+ reg |= (++wave << 11);
+ reg |= (++map << 15);
+ reg |= (operand << 20) & 0xFFF00000;
+ __raw_writel(reg, ipu_dc_tmpl_reg + word * 2);
+
+ reg = (operand >> 12);
+ reg |= opcode << 4;
+ reg |= (stop << 9);
+ __raw_writel(reg, ipu_dc_tmpl_reg + word * 2 + 1);
+}
+
+static void ipu_dc_link_event(int chan, int event, int addr, int priority)
+{
+ u32 reg;
+
+ reg = __raw_readl(DC_RL_CH(chan, event));
+ reg &= ~(0xFFFF << (16 * (event & 0x1)));
+ reg |= ((addr << 8) | priority) << (16 * (event & 0x1));
+ __raw_writel(reg, DC_RL_CH(chan, event));
+}
+
+/* Y = R * 1.200 + G * 2.343 + B * .453 + 0.250;
+ * U = R * -.672 + G * -1.328 + B * 2.000 + 512.250.;
+ * V = R * 2.000 + G * -1.672 + B * -.328 + 512.250.;
+ */
+static const int rgb2ycbcr_coeff[5][3] = {
+ {0x4D, 0x96, 0x1D},
+ {0x3D5, 0x3AB, 0x80},
+ {0x80, 0x395, 0x3EB},
+ {0x0000, 0x0200, 0x0200}, /* B0, B1, B2 */
+ {0x2, 0x2, 0x2}, /* S0, S1, S2 */
+};
+
+/* R = (1.164 * (Y - 16)) + (1.596 * (Cr - 128));
+ * G = (1.164 * (Y - 16)) - (0.392 * (Cb - 128)) - (0.813 * (Cr - 128));
+ * B = (1.164 * (Y - 16)) + (2.017 * (Cb - 128);
+ */
+static const int ycbcr2rgb_coeff[5][3] = {
+ {0x095, 0x000, 0x0CC},
+ {0x095, 0x3CE, 0x398},
+ {0x095, 0x0FF, 0x000},
+ {0x3E42, 0x010A, 0x3DD6}, /*B0,B1,B2 */
+ {0x1, 0x1, 0x1}, /*S0,S1,S2 */
+};
+
+#define mask_a(a) ((u32)(a) & 0x3FF)
+#define mask_b(b) ((u32)(b) & 0x3FFF)
+
+/* Pls keep S0, S1 and S2 as 0x2 by using this convertion */
+static int rgb_to_yuv(int n, int red, int green, int blue)
+{
+ int c;
+ c = red * rgb2ycbcr_coeff[n][0];
+ c += green * rgb2ycbcr_coeff[n][1];
+ c += blue * rgb2ycbcr_coeff[n][2];
+ c /= 16;
+ c += rgb2ycbcr_coeff[3][n] * 4;
+ c += 8;
+ c /= 16;
+ if (c < 0)
+ c = 0;
+ if (c > 255)
+ c = 255;
+ return c;
+}
+
+/*
+ * Row is for BG: RGB2YUV YUV2RGB RGB2RGB YUV2YUV CSC_NONE
+ * Column is for FG: RGB2YUV YUV2RGB RGB2RGB YUV2YUV CSC_NONE
+ */
+static struct dp_csc_param_t dp_csc_array[CSC_NUM][CSC_NUM] = {
+ {
+ {DP_COM_CONF_CSC_DEF_BOTH, &rgb2ycbcr_coeff},
+ {0, 0},
+ {0, 0},
+ {DP_COM_CONF_CSC_DEF_BG, &rgb2ycbcr_coeff},
+ {DP_COM_CONF_CSC_DEF_BG, &rgb2ycbcr_coeff}
+ },
+ {
+ {0, 0},
+ {DP_COM_CONF_CSC_DEF_BOTH, &ycbcr2rgb_coeff},
+ {DP_COM_CONF_CSC_DEF_BG, &ycbcr2rgb_coeff},
+ {0, 0},
+ {DP_COM_CONF_CSC_DEF_BG, &ycbcr2rgb_coeff}
+ },
+ {
+ {0, 0},
+ {DP_COM_CONF_CSC_DEF_FG, &ycbcr2rgb_coeff},
+ {0, 0},
+ {0, 0},
+ {0, 0}
+ },
+ {
+ {DP_COM_CONF_CSC_DEF_FG, &rgb2ycbcr_coeff},
+ {0, 0},
+ {0, 0},
+ {0, 0},
+ {0, 0}
+ },
+ {
+ {DP_COM_CONF_CSC_DEF_FG, &rgb2ycbcr_coeff},
+ {DP_COM_CONF_CSC_DEF_FG, &ycbcr2rgb_coeff},
+ {0, 0},
+ {0, 0},
+ {0, 0}
+ }
+};
+
+static enum csc_type_t fg_csc_type = CSC_NONE, bg_csc_type = CSC_NONE;
+static int color_key_4rgb = 1;
+
+static void ipu_dp_csc_setup(int dp, struct dp_csc_param_t dp_csc_param,
+ unsigned char srm_mode_update)
+{
+ u32 reg;
+ const int (*coeff)[5][3];
+
+ if (dp_csc_param.mode >= 0) {
+ reg = __raw_readl(DP_COM_CONF());
+ reg &= ~DP_COM_CONF_CSC_DEF_MASK;
+ reg |= dp_csc_param.mode;
+ __raw_writel(reg, DP_COM_CONF());
+ }
+
+ coeff = dp_csc_param.coeff;
+
+ if (coeff) {
+ __raw_writel(mask_a((*coeff)[0][0]) |
+ (mask_a((*coeff)[0][1]) << 16), DP_CSC_A_0());
+ __raw_writel(mask_a((*coeff)[0][2]) |
+ (mask_a((*coeff)[1][0]) << 16), DP_CSC_A_1());
+ __raw_writel(mask_a((*coeff)[1][1]) |
+ (mask_a((*coeff)[1][2]) << 16), DP_CSC_A_2());
+ __raw_writel(mask_a((*coeff)[2][0]) |
+ (mask_a((*coeff)[2][1]) << 16), DP_CSC_A_3());
+ __raw_writel(mask_a((*coeff)[2][2]) |
+ (mask_b((*coeff)[3][0]) << 16) |
+ ((*coeff)[4][0] << 30), DP_CSC_0());
+ __raw_writel(mask_b((*coeff)[3][1]) | ((*coeff)[4][1] << 14) |
+ (mask_b((*coeff)[3][2]) << 16) |
+ ((*coeff)[4][2] << 30), DP_CSC_1());
+ }
+
+ if (srm_mode_update) {
+ reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
+ __raw_writel(reg, IPU_SRM_PRI2);
+ }
+}
+
+int ipu_dp_init(ipu_channel_t channel, uint32_t in_pixel_fmt,
+ uint32_t out_pixel_fmt)
+{
+ int in_fmt, out_fmt;
+ int dp;
+ int partial = 0;
+ uint32_t reg;
+
+ if (channel == MEM_FG_SYNC) {
+ dp = DP_SYNC;
+ partial = 1;
+ } else if (channel == MEM_BG_SYNC) {
+ dp = DP_SYNC;
+ partial = 0;
+ } else if (channel == MEM_BG_ASYNC0) {
+ dp = DP_ASYNC0;
+ partial = 0;
+ } else {
+ return -EINVAL;
+ }
+
+ in_fmt = format_to_colorspace(in_pixel_fmt);
+ out_fmt = format_to_colorspace(out_pixel_fmt);
+
+ if (partial) {
+ if (in_fmt == RGB) {
+ if (out_fmt == RGB)
+ fg_csc_type = RGB2RGB;
+ else
+ fg_csc_type = RGB2YUV;
+ } else {
+ if (out_fmt == RGB)
+ fg_csc_type = YUV2RGB;
+ else
+ fg_csc_type = YUV2YUV;
+ }
+ } else {
+ if (in_fmt == RGB) {
+ if (out_fmt == RGB)
+ bg_csc_type = RGB2RGB;
+ else
+ bg_csc_type = RGB2YUV;
+ } else {
+ if (out_fmt == RGB)
+ bg_csc_type = YUV2RGB;
+ else
+ bg_csc_type = YUV2YUV;
+ }
+ }
+
+ /* Transform color key from rgb to yuv if CSC is enabled */
+ reg = __raw_readl(DP_COM_CONF());
+ if (color_key_4rgb && (reg & DP_COM_CONF_GWCKE) &&
+ (((fg_csc_type == RGB2YUV) && (bg_csc_type == YUV2YUV)) ||
+ ((fg_csc_type == YUV2YUV) && (bg_csc_type == RGB2YUV)) ||
+ ((fg_csc_type == YUV2YUV) && (bg_csc_type == YUV2YUV)) ||
+ ((fg_csc_type == YUV2RGB) && (bg_csc_type == YUV2RGB)))) {
+ int red, green, blue;
+ int y, u, v;
+ uint32_t color_key = __raw_readl(DP_GRAPH_WIND_CTRL()) &
+ 0xFFFFFFL;
+
+ debug("_ipu_dp_init color key 0x%x need change to yuv fmt!\n",
+ color_key);
+
+ red = (color_key >> 16) & 0xFF;
+ green = (color_key >> 8) & 0xFF;
+ blue = color_key & 0xFF;
+
+ y = rgb_to_yuv(0, red, green, blue);
+ u = rgb_to_yuv(1, red, green, blue);
+ v = rgb_to_yuv(2, red, green, blue);
+ color_key = (y << 16) | (u << 8) | v;
+
+ reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0xFF000000L;
+ __raw_writel(reg | color_key, DP_GRAPH_WIND_CTRL());
+ color_key_4rgb = 0;
+
+ debug("_ipu_dp_init color key change to yuv fmt 0x%x!\n",
+ color_key);
+ }
+
+ ipu_dp_csc_setup(dp, dp_csc_array[bg_csc_type][fg_csc_type], 1);
+
+ return 0;
+}
+
+void ipu_dp_uninit(ipu_channel_t channel)
+{
+ int dp;
+ int partial = 0;
+
+ if (channel == MEM_FG_SYNC) {
+ dp = DP_SYNC;
+ partial = 1;
+ } else if (channel == MEM_BG_SYNC) {
+ dp = DP_SYNC;
+ partial = 0;
+ } else if (channel == MEM_BG_ASYNC0) {
+ dp = DP_ASYNC0;
+ partial = 0;
+ } else {
+ return;
+ }
+
+ if (partial)
+ fg_csc_type = CSC_NONE;
+ else
+ bg_csc_type = CSC_NONE;
+
+ ipu_dp_csc_setup(dp, dp_csc_array[bg_csc_type][fg_csc_type], 0);
+}
+
+void ipu_dc_init(int dc_chan, int di, unsigned char interlaced)
+{
+ u32 reg = 0;
+
+ if ((dc_chan == 1) || (dc_chan == 5)) {
+ if (interlaced) {
+ ipu_dc_link_event(dc_chan, DC_EVT_NL, 0, 3);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOL, 0, 2);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA, 0, 1);
+ } else {
+ if (di) {
+ ipu_dc_link_event(dc_chan, DC_EVT_NL, 2, 3);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOL, 3, 2);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA,
+ 4, 1);
+ } else {
+ ipu_dc_link_event(dc_chan, DC_EVT_NL, 5, 3);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOL, 6, 2);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA,
+ 7, 1);
+ }
+ }
+ ipu_dc_link_event(dc_chan, DC_EVT_NF, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NFIELD, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOF, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOFIELD, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR, 0, 0);
+
+ reg = 0x2;
+ reg |= DC_DISP_ID_SYNC(di) << DC_WR_CH_CONF_PROG_DISP_ID_OFFSET;
+ reg |= di << 2;
+ if (interlaced)
+ reg |= DC_WR_CH_CONF_FIELD_MODE;
+ } else if ((dc_chan == 8) || (dc_chan == 9)) {
+ /* async channels */
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_0, 0x64, 1);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_1, 0x64, 1);
+
+ reg = 0x3;
+ reg |= DC_DISP_ID_SERIAL << DC_WR_CH_CONF_PROG_DISP_ID_OFFSET;
+ }
+ __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
+
+ __raw_writel(0x00000000, DC_WR_CH_ADDR(dc_chan));
+
+ __raw_writel(0x00000084, DC_GEN);
+}
+
+void ipu_dc_uninit(int dc_chan)
+{
+ if ((dc_chan == 1) || (dc_chan == 5)) {
+ ipu_dc_link_event(dc_chan, DC_EVT_NL, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOL, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NF, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NFIELD, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOF, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_EOFIELD, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR, 0, 0);
+ } else if ((dc_chan == 8) || (dc_chan == 9)) {
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_W_0, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_W_1, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_W_0, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_W_1, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_0, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_1, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_R_0, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_R_1, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_R_0, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_R_1, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_R_0, 0, 0);
+ ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_R_1, 0, 0);
+ }
+}
+
+void ipu_dp_dc_enable(ipu_channel_t channel)
+{
+ int di;
+ uint32_t reg;
+ uint32_t dc_chan;
+
+ if (channel == MEM_DC_SYNC)
+ dc_chan = 1;
+ else if ((channel == MEM_BG_SYNC) || (channel == MEM_FG_SYNC))
+ dc_chan = 5;
+ else
+ return;
+
+ if (channel == MEM_FG_SYNC) {
+ /* Enable FG channel */
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg | DP_COM_CONF_FG_EN, DP_COM_CONF());
+
+ reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
+ __raw_writel(reg, IPU_SRM_PRI2);
+ return;
+ }
+
+ di = g_dc_di_assignment[dc_chan];
+
+ /* Make sure other DC sync channel is not assigned same DI */
+ reg = __raw_readl(DC_WR_CH_CONF(6 - dc_chan));
+ if ((di << 2) == (reg & DC_WR_CH_CONF_PROG_DI_ID)) {
+ reg &= ~DC_WR_CH_CONF_PROG_DI_ID;
+ reg |= di ? 0 : DC_WR_CH_CONF_PROG_DI_ID;
+ __raw_writel(reg, DC_WR_CH_CONF(6 - dc_chan));
+ }
+
+ reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
+ reg |= 4 << DC_WR_CH_CONF_PROG_TYPE_OFFSET;
+ __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
+
+ clk_enable(g_pixel_clk[di]);
+}
+
+static unsigned char dc_swap;
+
+void ipu_dp_dc_disable(ipu_channel_t channel, unsigned char swap)
+{
+ uint32_t reg;
+ uint32_t csc;
+ uint32_t dc_chan = 0;
+ int timeout = 50;
+ int irq = 0;
+
+ dc_swap = swap;
+
+ if (channel == MEM_DC_SYNC) {
+ dc_chan = 1;
+ irq = IPU_IRQ_DC_FC_1;
+ } else if (channel == MEM_BG_SYNC) {
+ dc_chan = 5;
+ irq = IPU_IRQ_DP_SF_END;
+ } else if (channel == MEM_FG_SYNC) {
+ /* Disable FG channel */
+ dc_chan = 5;
+
+ reg = __raw_readl(DP_COM_CONF());
+ csc = reg & DP_COM_CONF_CSC_DEF_MASK;
+ if (csc == DP_COM_CONF_CSC_DEF_FG)
+ reg &= ~DP_COM_CONF_CSC_DEF_MASK;
+
+ reg &= ~DP_COM_CONF_FG_EN;
+ __raw_writel(reg, DP_COM_CONF());
+
+ reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
+ __raw_writel(reg, IPU_SRM_PRI2);
+
+ timeout = 50;
+
+ /*
+ * Wait for DC triple buffer to empty,
+ * this check is useful for tv overlay.
+ */
+ if (g_dc_di_assignment[dc_chan] == 0)
+ while ((__raw_readl(DC_STAT) & 0x00000002)
+ != 0x00000002) {
+ udelay(2000);
+ timeout -= 2;
+ if (timeout <= 0)
+ break;
+ }
+ else if (g_dc_di_assignment[dc_chan] == 1)
+ while ((__raw_readl(DC_STAT) & 0x00000020)
+ != 0x00000020) {
+ udelay(2000);
+ timeout -= 2;
+ if (timeout <= 0)
+ break;
+ }
+ return;
+ } else {
+ return;
+ }
+
+ if (dc_swap) {
+ /* Swap DC channel 1 and 5 settings, and disable old dc chan */
+ reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
+ __raw_writel(reg, DC_WR_CH_CONF(6 - dc_chan));
+ reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
+ reg ^= DC_WR_CH_CONF_PROG_DI_ID;
+ __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
+ } else {
+ /* Make sure that we leave at the irq starting edge */
+ __raw_writel(IPUIRQ_2_MASK(irq), IPUIRQ_2_STATREG(irq));
+ do {
+ reg = __raw_readl(IPUIRQ_2_STATREG(irq));
+ } while (!(reg & IPUIRQ_2_MASK(irq)));
+
+ reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
+ reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
+ __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
+
+ reg = __raw_readl(IPU_DISP_GEN);
+ if (g_dc_di_assignment[dc_chan])
+ reg &= ~DI1_COUNTER_RELEASE;
+ else
+ reg &= ~DI0_COUNTER_RELEASE;
+ __raw_writel(reg, IPU_DISP_GEN);
+
+ /* Clock is already off because it must be done quickly, but
+ we need to fix the ref count */
+ clk_disable(g_pixel_clk[g_dc_di_assignment[dc_chan]]);
+ }
+}
+
+void ipu_init_dc_mappings(void)
+{
+ /* IPU_PIX_FMT_RGB24 */
+ ipu_dc_map_clear(0);
+ ipu_dc_map_config(0, 0, 7, 0xFF);
+ ipu_dc_map_config(0, 1, 15, 0xFF);
+ ipu_dc_map_config(0, 2, 23, 0xFF);
+
+ /* IPU_PIX_FMT_RGB666 */
+ ipu_dc_map_clear(1);
+ ipu_dc_map_config(1, 0, 5, 0xFC);
+ ipu_dc_map_config(1, 1, 11, 0xFC);
+ ipu_dc_map_config(1, 2, 17, 0xFC);
+
+ /* IPU_PIX_FMT_YUV444 */
+ ipu_dc_map_clear(2);
+ ipu_dc_map_config(2, 0, 15, 0xFF);
+ ipu_dc_map_config(2, 1, 23, 0xFF);
+ ipu_dc_map_config(2, 2, 7, 0xFF);
+
+ /* IPU_PIX_FMT_RGB565 */
+ ipu_dc_map_clear(3);
+ ipu_dc_map_config(3, 0, 4, 0xF8);
+ ipu_dc_map_config(3, 1, 10, 0xFC);
+ ipu_dc_map_config(3, 2, 15, 0xF8);
+
+ /* IPU_PIX_FMT_LVDS666 */
+ ipu_dc_map_clear(4);
+ ipu_dc_map_config(4, 0, 5, 0xFC);
+ ipu_dc_map_config(4, 1, 13, 0xFC);
+ ipu_dc_map_config(4, 2, 21, 0xFC);
+}
+
+static int ipu_pixfmt_to_map(uint32_t fmt)
+{
+ switch (fmt) {
+ case IPU_PIX_FMT_GENERIC:
+ case IPU_PIX_FMT_RGB24:
+ return 0;
+ case IPU_PIX_FMT_RGB666:
+ return 1;
+ case IPU_PIX_FMT_YUV444:
+ return 2;
+ case IPU_PIX_FMT_RGB565:
+ return 3;
+ case IPU_PIX_FMT_LVDS666:
+ return 4;
+ }
+
+ return -1;
+}
+
+/*
+ * This function is called to initialize a synchronous LCD panel.
+ *
+ * @param disp The DI the panel is attached to.
+ *
+ * @param pixel_clk Desired pixel clock frequency in Hz.
+ *
+ * @param pixel_fmt Input parameter for pixel format of buffer.
+ * Pixel format is a FOURCC ASCII code.
+ *
+ * @param width The width of panel in pixels.
+ *
+ * @param height The height of panel in pixels.
+ *
+ * @param hStartWidth The number of pixel clocks between the HSYNC
+ * signal pulse and the start of valid data.
+ *
+ * @param hSyncWidth The width of the HSYNC signal in units of pixel
+ * clocks.
+ *
+ * @param hEndWidth The number of pixel clocks between the end of
+ * valid data and the HSYNC signal for next line.
+ *
+ * @param vStartWidth The number of lines between the VSYNC
+ * signal pulse and the start of valid data.
+ *
+ * @param vSyncWidth The width of the VSYNC signal in units of lines
+ *
+ * @param vEndWidth The number of lines between the end of valid
+ * data and the VSYNC signal for next frame.
+ *
+ * @param sig Bitfield of signal polarities for LCD interface.
+ *
+ * @return This function returns 0 on success or negative error code on
+ * fail.
+ */
+
+int32_t ipu_init_sync_panel(int disp, uint32_t pixel_clk,
+ uint16_t width, uint16_t height,
+ uint32_t pixel_fmt,
+ uint16_t h_start_width, uint16_t h_sync_width,
+ uint16_t h_end_width, uint16_t v_start_width,
+ uint16_t v_sync_width, uint16_t v_end_width,
+ uint32_t v_to_h_sync, ipu_di_signal_cfg_t sig)
+{
+ uint32_t reg;
+ uint32_t di_gen, vsync_cnt;
+ uint32_t div, rounded_pixel_clk;
+ uint32_t h_total, v_total;
+ int map;
+ struct clk *di_parent;
+
+ debug("panel size = %d x %d\n", width, height);
+
+ if ((v_sync_width == 0) || (h_sync_width == 0))
+ return -EINVAL;
+
+ /* adapt panel to ipu restricitions */
+ if (v_end_width < 2) {
+ v_end_width = 2;
+ puts("WARNING: v_end_width (lower_margin) must be >= 2, adjusted\n");
+ }
+
+ h_total = width + h_sync_width + h_start_width + h_end_width;
+ v_total = height + v_sync_width + v_start_width + v_end_width;
+
+ /* Init clocking */
+ debug("pixel clk = %dHz\n", pixel_clk);
+
+ if (sig.ext_clk) {
+ if (!(g_di1_tvout && (disp == 1))) { /*not round div for tvout*/
+ /*
+ * Set the PLL to be an even multiple
+ * of the pixel clock.
+ */
+ if ((clk_get_usecount(g_pixel_clk[0]) == 0) &&
+ (clk_get_usecount(g_pixel_clk[1]) == 0)) {
+ di_parent = clk_get_parent(g_di_clk[disp]);
+ rounded_pixel_clk =
+ clk_round_rate(g_pixel_clk[disp],
+ pixel_clk);
+ div = clk_get_rate(di_parent) /
+ rounded_pixel_clk;
+ if (div % 2)
+ div++;
+ if (clk_get_rate(di_parent) != div *
+ rounded_pixel_clk)
+ clk_set_rate(di_parent,
+ div * rounded_pixel_clk);
+ udelay(10000);
+ clk_set_rate(g_di_clk[disp],
+ 2 * rounded_pixel_clk);
+ udelay(10000);
+ }
+ }
+ clk_set_parent(g_pixel_clk[disp], g_ldb_clk);
+ } else {
+ if (clk_get_usecount(g_pixel_clk[disp]) != 0)
+ clk_set_parent(g_pixel_clk[disp], g_ipu_clk);
+ }
+ rounded_pixel_clk = clk_round_rate(g_pixel_clk[disp], pixel_clk);
+ clk_set_rate(g_pixel_clk[disp], rounded_pixel_clk);
+ udelay(5000);
+ /* Get integer portion of divider */
+ div = clk_get_rate(clk_get_parent(g_pixel_clk[disp])) /
+ rounded_pixel_clk;
+
+ ipu_di_data_wave_config(disp, SYNC_WAVE, div - 1, div - 1);
+ ipu_di_data_pin_config(disp, SYNC_WAVE, DI_PIN15, 3, 0, div * 2);
+
+ map = ipu_pixfmt_to_map(pixel_fmt);
+ if (map < 0) {
+ debug("IPU_DISP: No MAP\n");
+ return -EINVAL;
+ }
+
+ di_gen = __raw_readl(DI_GENERAL(disp));
+
+ if (sig.interlaced) {
+ /* Setup internal HSYNC waveform */
+ ipu_di_sync_config(
+ disp, /* display */
+ 1, /* counter */
+ h_total / 2 - 1,/* run count */
+ DI_SYNC_CLK, /* run_resolution */
+ 0, /* offset */
+ DI_SYNC_NONE, /* offset resolution */
+ 0, /* repeat count */
+ DI_SYNC_NONE, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 0 /* COUNT DOWN */
+ );
+
+ /* Field 1 VSYNC waveform */
+ ipu_di_sync_config(
+ disp, /* display */
+ 2, /* counter */
+ h_total - 1, /* run count */
+ DI_SYNC_CLK, /* run_resolution */
+ 0, /* offset */
+ DI_SYNC_NONE, /* offset resolution */
+ 0, /* repeat count */
+ DI_SYNC_NONE, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 4 /* COUNT DOWN */
+ );
+
+ /* Setup internal HSYNC waveform */
+ ipu_di_sync_config(
+ disp, /* display */
+ 3, /* counter */
+ v_total * 2 - 1,/* run count */
+ DI_SYNC_INT_HSYNC, /* run_resolution */
+ 1, /* offset */
+ DI_SYNC_INT_HSYNC, /* offset resolution */
+ 0, /* repeat count */
+ DI_SYNC_NONE, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 4 /* COUNT DOWN */
+ );
+
+ /* Active Field ? */
+ ipu_di_sync_config(
+ disp, /* display */
+ 4, /* counter */
+ v_total / 2 - 1,/* run count */
+ DI_SYNC_HSYNC, /* run_resolution */
+ v_start_width, /* offset */
+ DI_SYNC_HSYNC, /* offset resolution */
+ 2, /* repeat count */
+ DI_SYNC_VSYNC, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 0 /* COUNT DOWN */
+ );
+
+ /* Active Line */
+ ipu_di_sync_config(
+ disp, /* display */
+ 5, /* counter */
+ 0, /* run count */
+ DI_SYNC_HSYNC, /* run_resolution */
+ 0, /* offset */
+ DI_SYNC_NONE, /* offset resolution */
+ height / 2, /* repeat count */
+ 4, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 0 /* COUNT DOWN */
+ );
+
+ /* Field 0 VSYNC waveform */
+ ipu_di_sync_config(
+ disp, /* display */
+ 6, /* counter */
+ v_total - 1, /* run count */
+ DI_SYNC_HSYNC, /* run_resolution */
+ 0, /* offset */
+ DI_SYNC_NONE, /* offset resolution */
+ 0, /* repeat count */
+ DI_SYNC_NONE, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 0 /* COUNT DOWN */
+ );
+
+ /* DC VSYNC waveform */
+ vsync_cnt = 7;
+ ipu_di_sync_config(
+ disp, /* display */
+ 7, /* counter */
+ v_total / 2 - 1,/* run count */
+ DI_SYNC_HSYNC, /* run_resolution */
+ 9, /* offset */
+ DI_SYNC_HSYNC, /* offset resolution */
+ 2, /* repeat count */
+ DI_SYNC_VSYNC, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 0 /* COUNT DOWN */
+ );
+
+ /* active pixel waveform */
+ ipu_di_sync_config(
+ disp, /* display */
+ 8, /* counter */
+ 0, /* run count */
+ DI_SYNC_CLK, /* run_resolution */
+ h_start_width, /* offset */
+ DI_SYNC_CLK, /* offset resolution */
+ width, /* repeat count */
+ 5, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 0 /* COUNT DOWN */
+ );
+
+ ipu_di_sync_config(
+ disp, /* display */
+ 9, /* counter */
+ v_total - 1, /* run count */
+ DI_SYNC_INT_HSYNC,/* run_resolution */
+ v_total / 2, /* offset */
+ DI_SYNC_INT_HSYNC,/* offset resolution */
+ 0, /* repeat count */
+ DI_SYNC_HSYNC, /* CNT_CLR_SEL */
+ 0, /* CNT_POLARITY_GEN_EN */
+ DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
+ DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
+ 0, /* COUNT UP */
+ 4 /* COUNT DOWN */
+ );
+
+ /* set gentime select and tag sel */
+ reg = __raw_readl(DI_SW_GEN1(disp, 9));
+ reg &= 0x1FFFFFFF;
+ reg |= (3 - 1)<<29 | 0x00008000;
+ __raw_writel(reg, DI_SW_GEN1(disp, 9));
+
+ __raw_writel(v_total / 2 - 1, DI_SCR_CONF(disp));
+
+ /* set y_sel = 1 */
+ di_gen |= 0x10000000;
+ di_gen |= DI_GEN_POLARITY_5;
+ di_gen |= DI_GEN_POLARITY_8;
+ } else {
+ /* Setup internal HSYNC waveform */
+ ipu_di_sync_config(disp, 1, h_total - 1, DI_SYNC_CLK,
+ 0, DI_SYNC_NONE, 0, DI_SYNC_NONE,
+ 0, DI_SYNC_NONE,
+ DI_SYNC_NONE, 0, 0);
+
+ /* Setup external (delayed) HSYNC waveform */
+ ipu_di_sync_config(disp, DI_SYNC_HSYNC, h_total - 1,
+ DI_SYNC_CLK, div * v_to_h_sync, DI_SYNC_CLK,
+ 0, DI_SYNC_NONE, 1, DI_SYNC_NONE,
+ DI_SYNC_CLK, 0, h_sync_width * 2);
+ /* Setup VSYNC waveform */
+ vsync_cnt = DI_SYNC_VSYNC;
+ ipu_di_sync_config(disp, DI_SYNC_VSYNC, v_total - 1,
+ DI_SYNC_INT_HSYNC, 0, DI_SYNC_NONE, 0,
+ DI_SYNC_NONE, 1, DI_SYNC_NONE,
+ DI_SYNC_INT_HSYNC, 0, v_sync_width * 2);
+ __raw_writel(v_total - 1, DI_SCR_CONF(disp));
+
+ /* Setup active data waveform to sync with DC */
+ ipu_di_sync_config(disp, 4, 0, DI_SYNC_HSYNC,
+ v_sync_width + v_start_width, DI_SYNC_HSYNC,
+ height,
+ DI_SYNC_VSYNC, 0, DI_SYNC_NONE,
+ DI_SYNC_NONE, 0, 0);
+ ipu_di_sync_config(disp, 5, 0, DI_SYNC_CLK,
+ h_sync_width + h_start_width, DI_SYNC_CLK,
+ width, 4, 0, DI_SYNC_NONE, DI_SYNC_NONE, 0,
+ 0);
+
+ /* reset all unused counters */
+ __raw_writel(0, DI_SW_GEN0(disp, 6));
+ __raw_writel(0, DI_SW_GEN1(disp, 6));
+ __raw_writel(0, DI_SW_GEN0(disp, 7));
+ __raw_writel(0, DI_SW_GEN1(disp, 7));
+ __raw_writel(0, DI_SW_GEN0(disp, 8));
+ __raw_writel(0, DI_SW_GEN1(disp, 8));
+ __raw_writel(0, DI_SW_GEN0(disp, 9));
+ __raw_writel(0, DI_SW_GEN1(disp, 9));
+
+ reg = __raw_readl(DI_STP_REP(disp, 6));
+ reg &= 0x0000FFFF;
+ __raw_writel(reg, DI_STP_REP(disp, 6));
+ __raw_writel(0, DI_STP_REP(disp, 7));
+ __raw_writel(0, DI_STP_REP9(disp));
+
+ /* Init template microcode */
+ if (disp) {
+ ipu_dc_write_tmpl(2, WROD(0), 0, map, SYNC_WAVE, 8, 5);
+ ipu_dc_write_tmpl(3, WROD(0), 0, map, SYNC_WAVE, 4, 5);
+ ipu_dc_write_tmpl(4, WROD(0), 0, map, SYNC_WAVE, 0, 5);
+ } else {
+ ipu_dc_write_tmpl(5, WROD(0), 0, map, SYNC_WAVE, 8, 5);
+ ipu_dc_write_tmpl(6, WROD(0), 0, map, SYNC_WAVE, 4, 5);
+ ipu_dc_write_tmpl(7, WROD(0), 0, map, SYNC_WAVE, 0, 5);
+ }
+
+ if (sig.Hsync_pol)
+ di_gen |= DI_GEN_POLARITY_2;
+ if (sig.Vsync_pol)
+ di_gen |= DI_GEN_POLARITY_3;
+
+ if (!sig.clk_pol)
+ di_gen |= DI_GEN_POL_CLK;
+
+ }
+
+ __raw_writel(di_gen, DI_GENERAL(disp));
+
+ __raw_writel((--vsync_cnt << DI_VSYNC_SEL_OFFSET) |
+ 0x00000002, DI_SYNC_AS_GEN(disp));
+
+ reg = __raw_readl(DI_POL(disp));
+ reg &= ~(DI_POL_DRDY_DATA_POLARITY | DI_POL_DRDY_POLARITY_15);
+ if (sig.enable_pol)
+ reg |= DI_POL_DRDY_POLARITY_15;
+ if (sig.data_pol)
+ reg |= DI_POL_DRDY_DATA_POLARITY;
+ __raw_writel(reg, DI_POL(disp));
+
+ __raw_writel(width, DC_DISP_CONF2(DC_DISP_ID_SYNC(disp)));
+
+ return 0;
+}
+
+/*
+ * This function sets the foreground and background plane global alpha blending
+ * modes. This function also sets the DP graphic plane according to the
+ * parameter of IPUv3 DP channel.
+ *
+ * @param channel IPUv3 DP channel
+ *
+ * @param enable Boolean to enable or disable global alpha
+ * blending. If disabled, local blending is used.
+ *
+ * @param alpha Global alpha value.
+ *
+ * @return Returns 0 on success or negative error code on fail
+ */
+int32_t ipu_disp_set_global_alpha(ipu_channel_t channel, unsigned char enable,
+ uint8_t alpha)
+{
+ uint32_t reg;
+
+ unsigned char bg_chan;
+
+ if (!((channel == MEM_BG_SYNC || channel == MEM_FG_SYNC) ||
+ (channel == MEM_BG_ASYNC0 || channel == MEM_FG_ASYNC0) ||
+ (channel == MEM_BG_ASYNC1 || channel == MEM_FG_ASYNC1)))
+ return -EINVAL;
+
+ if (channel == MEM_BG_SYNC || channel == MEM_BG_ASYNC0 ||
+ channel == MEM_BG_ASYNC1)
+ bg_chan = 1;
+ else
+ bg_chan = 0;
+
+ if (!g_ipu_clk_enabled)
+ clk_enable(g_ipu_clk);
+
+ if (bg_chan) {
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg & ~DP_COM_CONF_GWSEL, DP_COM_CONF());
+ } else {
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg | DP_COM_CONF_GWSEL, DP_COM_CONF());
+ }
+
+ if (enable) {
+ reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0x00FFFFFFL;
+ __raw_writel(reg | ((uint32_t) alpha << 24),
+ DP_GRAPH_WIND_CTRL());
+
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg | DP_COM_CONF_GWAM, DP_COM_CONF());
+ } else {
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg & ~DP_COM_CONF_GWAM, DP_COM_CONF());
+ }
+
+ reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
+ __raw_writel(reg, IPU_SRM_PRI2);
+
+ if (!g_ipu_clk_enabled)
+ clk_disable(g_ipu_clk);
+
+ return 0;
+}
+
+/*
+ * This function sets the transparent color key for SDC graphic plane.
+ *
+ * @param channel Input parameter for the logical channel ID.
+ *
+ * @param enable Boolean to enable or disable color key
+ *
+ * @param colorKey 24-bit RGB color for transparent color key.
+ *
+ * @return Returns 0 on success or negative error code on fail
+ */
+int32_t ipu_disp_set_color_key(ipu_channel_t channel, unsigned char enable,
+ uint32_t color_key)
+{
+ uint32_t reg;
+ int y, u, v;
+ int red, green, blue;
+
+ if (!((channel == MEM_BG_SYNC || channel == MEM_FG_SYNC) ||
+ (channel == MEM_BG_ASYNC0 || channel == MEM_FG_ASYNC0) ||
+ (channel == MEM_BG_ASYNC1 || channel == MEM_FG_ASYNC1)))
+ return -EINVAL;
+
+ if (!g_ipu_clk_enabled)
+ clk_enable(g_ipu_clk);
+
+ color_key_4rgb = 1;
+ /* Transform color key from rgb to yuv if CSC is enabled */
+ if (((fg_csc_type == RGB2YUV) && (bg_csc_type == YUV2YUV)) ||
+ ((fg_csc_type == YUV2YUV) && (bg_csc_type == RGB2YUV)) ||
+ ((fg_csc_type == YUV2YUV) && (bg_csc_type == YUV2YUV)) ||
+ ((fg_csc_type == YUV2RGB) && (bg_csc_type == YUV2RGB))) {
+
+ debug("color key 0x%x need change to yuv fmt\n", color_key);
+
+ red = (color_key >> 16) & 0xFF;
+ green = (color_key >> 8) & 0xFF;
+ blue = color_key & 0xFF;
+
+ y = rgb_to_yuv(0, red, green, blue);
+ u = rgb_to_yuv(1, red, green, blue);
+ v = rgb_to_yuv(2, red, green, blue);
+ color_key = (y << 16) | (u << 8) | v;
+
+ color_key_4rgb = 0;
+
+ debug("color key change to yuv fmt 0x%x\n", color_key);
+ }
+
+ if (enable) {
+ reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0xFF000000L;
+ __raw_writel(reg | color_key, DP_GRAPH_WIND_CTRL());
+
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg | DP_COM_CONF_GWCKE, DP_COM_CONF());
+ } else {
+ reg = __raw_readl(DP_COM_CONF());
+ __raw_writel(reg & ~DP_COM_CONF_GWCKE, DP_COM_CONF());
+ }
+
+ reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
+ __raw_writel(reg, IPU_SRM_PRI2);
+
+ if (!g_ipu_clk_enabled)
+ clk_disable(g_ipu_clk);
+
+ return 0;
+}
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Porting to u-boot:
+ *
+ * (C) Copyright 2010
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de
+ *
+ * Linux IPU driver for MX51:
+ *
+ * (C) Copyright 2005-2009 Freescale Semiconductor, Inc.
+ */
+
+#ifndef __IPU_REGS_INCLUDED__
+#define __IPU_REGS_INCLUDED__
+
+#define IPU_DISP0_BASE 0x00000000
+#define IPU_MCU_T_DEFAULT 8
+#define IPU_DISP1_BASE (IPU_MCU_T_DEFAULT << 25)
+#define IPU_CM_REG_BASE 0x00000000
+#define IPU_STAT_REG_BASE 0x00000200
+#define IPU_IDMAC_REG_BASE 0x00008000
+#define IPU_ISP_REG_BASE 0x00010000
+#define IPU_DP_REG_BASE 0x00018000
+#define IPU_IC_REG_BASE 0x00020000
+#define IPU_IRT_REG_BASE 0x00028000
+#define IPU_CSI0_REG_BASE 0x00030000
+#define IPU_CSI1_REG_BASE 0x00038000
+#define IPU_DI0_REG_BASE 0x00040000
+#define IPU_DI1_REG_BASE 0x00048000
+#define IPU_SMFC_REG_BASE 0x00050000
+#define IPU_DC_REG_BASE 0x00058000
+#define IPU_DMFC_REG_BASE 0x00060000
+#define IPU_VDI_REG_BASE 0x00680000
+#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
+#define IPU_CPMEM_REG_BASE 0x01000000
+#define IPU_LUT_REG_BASE 0x01020000
+#define IPU_SRM_REG_BASE 0x01040000
+#define IPU_TPM_REG_BASE 0x01060000
+#define IPU_DC_TMPL_REG_BASE 0x01080000
+#define IPU_ISP_TBPR_REG_BASE 0x010C0000
+#elif defined(CONFIG_MX6)
+#define IPU_CPMEM_REG_BASE 0x00100000
+#define IPU_LUT_REG_BASE 0x00120000
+#define IPU_SRM_REG_BASE 0x00140000
+#define IPU_TPM_REG_BASE 0x00160000
+#define IPU_DC_TMPL_REG_BASE 0x00180000
+#define IPU_ISP_TBPR_REG_BASE 0x001C0000
+#endif
+
+#define IPU_CTRL_BASE_ADDR (IPU_SOC_BASE_ADDR + IPU_SOC_OFFSET)
+
+extern u32 *ipu_dc_tmpl_reg;
+
+#define DC_EVT_NF 0
+#define DC_EVT_NL 1
+#define DC_EVT_EOF 2
+#define DC_EVT_NFIELD 3
+#define DC_EVT_EOL 4
+#define DC_EVT_EOFIELD 5
+#define DC_EVT_NEW_ADDR 6
+#define DC_EVT_NEW_CHAN 7
+#define DC_EVT_NEW_DATA 8
+
+#define DC_EVT_NEW_ADDR_W_0 0
+#define DC_EVT_NEW_ADDR_W_1 1
+#define DC_EVT_NEW_CHAN_W_0 2
+#define DC_EVT_NEW_CHAN_W_1 3
+#define DC_EVT_NEW_DATA_W_0 4
+#define DC_EVT_NEW_DATA_W_1 5
+#define DC_EVT_NEW_ADDR_R_0 6
+#define DC_EVT_NEW_ADDR_R_1 7
+#define DC_EVT_NEW_CHAN_R_0 8
+#define DC_EVT_NEW_CHAN_R_1 9
+#define DC_EVT_NEW_DATA_R_0 10
+#define DC_EVT_NEW_DATA_R_1 11
+
+/* Software reset for ipu */
+#define SW_IPU_RST 8
+
+enum {
+ IPU_CONF_DP_EN = 0x00000020,
+ IPU_CONF_DI0_EN = 0x00000040,
+ IPU_CONF_DI1_EN = 0x00000080,
+ IPU_CONF_DMFC_EN = 0x00000400,
+ IPU_CONF_DC_EN = 0x00000200,
+
+ DI0_COUNTER_RELEASE = 0x01000000,
+ DI1_COUNTER_RELEASE = 0x02000000,
+
+ DI_DW_GEN_ACCESS_SIZE_OFFSET = 24,
+ DI_DW_GEN_COMPONENT_SIZE_OFFSET = 16,
+
+ DI_GEN_DI_CLK_EXT = 0x100000,
+ DI_GEN_POLARITY_1 = 0x00000001,
+ DI_GEN_POLARITY_2 = 0x00000002,
+ DI_GEN_POLARITY_3 = 0x00000004,
+ DI_GEN_POLARITY_4 = 0x00000008,
+ DI_GEN_POLARITY_5 = 0x00000010,
+ DI_GEN_POLARITY_6 = 0x00000020,
+ DI_GEN_POLARITY_7 = 0x00000040,
+ DI_GEN_POLARITY_8 = 0x00000080,
+ DI_GEN_POL_CLK = 0x20000,
+
+ DI_POL_DRDY_DATA_POLARITY = 0x00000080,
+ DI_POL_DRDY_POLARITY_15 = 0x00000010,
+ DI_VSYNC_SEL_OFFSET = 13,
+
+ DC_WR_CH_CONF_FIELD_MODE = 0x00000200,
+ DC_WR_CH_CONF_PROG_TYPE_OFFSET = 5,
+ DC_WR_CH_CONF_PROG_TYPE_MASK = 0x000000E0,
+ DC_WR_CH_CONF_PROG_DI_ID = 0x00000004,
+ DC_WR_CH_CONF_PROG_DISP_ID_OFFSET = 3,
+ DC_WR_CH_CONF_PROG_DISP_ID_MASK = 0x00000018,
+
+ DP_COM_CONF_FG_EN = 0x00000001,
+ DP_COM_CONF_GWSEL = 0x00000002,
+ DP_COM_CONF_GWAM = 0x00000004,
+ DP_COM_CONF_GWCKE = 0x00000008,
+ DP_COM_CONF_CSC_DEF_MASK = 0x00000300,
+ DP_COM_CONF_CSC_DEF_OFFSET = 8,
+ DP_COM_CONF_CSC_DEF_FG = 0x00000300,
+ DP_COM_CONF_CSC_DEF_BG = 0x00000200,
+ DP_COM_CONF_CSC_DEF_BOTH = 0x00000100,
+ DP_COM_CONF_GAMMA_EN = 0x00001000,
+ DP_COM_CONF_GAMMA_YUV_EN = 0x00002000,
+};
+
+enum di_pins {
+ DI_PIN11 = 0,
+ DI_PIN12 = 1,
+ DI_PIN13 = 2,
+ DI_PIN14 = 3,
+ DI_PIN15 = 4,
+ DI_PIN16 = 5,
+ DI_PIN17 = 6,
+ DI_PIN_CS = 7,
+
+ DI_PIN_SER_CLK = 0,
+ DI_PIN_SER_RS = 1,
+};
+
+enum di_sync_wave {
+ DI_SYNC_NONE = -1,
+ DI_SYNC_CLK = 0,
+ DI_SYNC_INT_HSYNC = 1,
+ DI_SYNC_HSYNC = 2,
+ DI_SYNC_VSYNC = 3,
+ DI_SYNC_DE = 5,
+};
+
+struct ipu_cm {
+ u32 conf;
+ u32 sisg_ctrl0;
+ u32 sisg_ctrl1;
+ u32 sisg_set[6];
+ u32 sisg_clear[6];
+ u32 int_ctrl[15];
+ u32 sdma_event[10];
+ u32 srm_pri1;
+ u32 srm_pri2;
+ u32 fs_proc_flow[3];
+ u32 fs_disp_flow[2];
+ u32 skip;
+ u32 disp_alt_conf;
+ u32 disp_gen;
+ u32 disp_alt[4];
+ u32 snoop;
+ u32 mem_rst;
+ u32 pm;
+ u32 gpr;
+ u32 reserved0[26];
+ u32 ch_db_mode_sel[2];
+ u32 reserved1[4];
+ u32 alt_ch_db_mode_sel[2];
+ u32 reserved2[2];
+ u32 ch_trb_mode_sel[2];
+};
+
+struct ipu_idmac {
+ u32 conf;
+ u32 ch_en[2];
+ u32 sep_alpha;
+ u32 alt_sep_alpha;
+ u32 ch_pri[2];
+ u32 wm_en[2];
+ u32 lock_en[2];
+ u32 sub_addr[5];
+ u32 bndm_en[2];
+ u32 sc_cord[2];
+ u32 reserved[44];
+ u32 ch_busy[2];
+};
+
+struct ipu_com_async {
+ u32 com_conf_async;
+ u32 graph_wind_ctrl_async;
+ u32 fg_pos_async;
+ u32 cur_pos_async;
+ u32 cur_map_async;
+ u32 gamma_c_async[8];
+ u32 gamma_s_async[4];
+ u32 dp_csca_async[4];
+ u32 dp_csc_async[2];
+};
+
+struct ipu_dp {
+ u32 com_conf_sync;
+ u32 graph_wind_ctrl_sync;
+ u32 fg_pos_sync;
+ u32 cur_pos_sync;
+ u32 cur_map_sync;
+ u32 gamma_c_sync[8];
+ u32 gamma_s_sync[4];
+ u32 csca_sync[4];
+ u32 csc_sync[2];
+ u32 cur_pos_alt;
+ struct ipu_com_async async[2];
+};
+
+struct ipu_di {
+ u32 general;
+ u32 bs_clkgen0;
+ u32 bs_clkgen1;
+ u32 sw_gen0[9];
+ u32 sw_gen1[9];
+ u32 sync_as;
+ u32 dw_gen[12];
+ u32 dw_set[48];
+ u32 stp_rep[4];
+ u32 stp_rep9;
+ u32 ser_conf;
+ u32 ssc;
+ u32 pol;
+ u32 aw0;
+ u32 aw1;
+ u32 scr_conf;
+ u32 stat;
+};
+
+struct ipu_stat {
+ u32 int_stat[15];
+ u32 cur_buf[2];
+ u32 alt_cur_buf_0;
+ u32 alt_cur_buf_1;
+ u32 srm_stat;
+ u32 proc_task_stat;
+ u32 disp_task_stat;
+ u32 triple_cur_buf[4];
+ u32 ch_buf0_rdy[2];
+ u32 ch_buf1_rdy[2];
+ u32 alt_ch_buf0_rdy[2];
+ u32 alt_ch_buf1_rdy[2];
+ u32 ch_buf2_rdy[2];
+};
+
+struct ipu_dc_ch {
+ u32 wr_ch_conf;
+ u32 wr_ch_addr;
+ u32 rl[5];
+};
+
+struct ipu_dc {
+ struct ipu_dc_ch dc_ch0_1_2[3];
+ u32 cmd_ch_conf_3;
+ u32 cmd_ch_conf_4;
+ struct ipu_dc_ch dc_ch5_6[2];
+ struct ipu_dc_ch dc_ch8;
+ u32 rl6_ch_8;
+ struct ipu_dc_ch dc_ch9;
+ u32 rl6_ch_9;
+ u32 gen;
+ u32 disp_conf1[4];
+ u32 disp_conf2[4];
+ u32 di0_conf[2];
+ u32 di1_conf[2];
+ u32 dc_map_ptr[15];
+ u32 dc_map_val[12];
+ u32 udge[16];
+ u32 lla[2];
+ u32 r_lla[2];
+ u32 wr_ch_addr_5_alt;
+ u32 stat;
+};
+
+struct ipu_dmfc {
+ u32 rd_chan;
+ u32 wr_chan;
+ u32 wr_chan_def;
+ u32 dp_chan;
+ u32 dp_chan_def;
+ u32 general[2];
+ u32 ic_ctrl;
+ u32 wr_chan_alt;
+ u32 wr_chan_def_alt;
+ u32 general1_alt;
+ u32 stat;
+};
+
+#define IPU_CM_REG ((struct ipu_cm *)(IPU_CTRL_BASE_ADDR + \
+ IPU_CM_REG_BASE))
+#define IPU_CONF (&IPU_CM_REG->conf)
+#define IPU_SRM_PRI1 (&IPU_CM_REG->srm_pri1)
+#define IPU_SRM_PRI2 (&IPU_CM_REG->srm_pri2)
+#define IPU_FS_PROC_FLOW1 (&IPU_CM_REG->fs_proc_flow[0])
+#define IPU_FS_PROC_FLOW2 (&IPU_CM_REG->fs_proc_flow[1])
+#define IPU_FS_PROC_FLOW3 (&IPU_CM_REG->fs_proc_flow[2])
+#define IPU_FS_DISP_FLOW1 (&IPU_CM_REG->fs_disp_flow[0])
+#define IPU_DISP_GEN (&IPU_CM_REG->disp_gen)
+#define IPU_MEM_RST (&IPU_CM_REG->mem_rst)
+#define IPU_GPR (&IPU_CM_REG->gpr)
+#define IPU_CHA_DB_MODE_SEL(ch) (&IPU_CM_REG->ch_db_mode_sel[ch / 32])
+
+#define IPU_STAT ((struct ipu_stat *)(IPU_CTRL_BASE_ADDR + \
+ IPU_STAT_REG_BASE))
+#define IPU_INT_STAT(n) (&IPU_STAT->int_stat[(n) - 1])
+#define IPU_CHA_CUR_BUF(ch) (&IPU_STAT->cur_buf[ch / 32])
+#define IPU_CHA_BUF0_RDY(ch) (&IPU_STAT->ch_buf0_rdy[ch / 32])
+#define IPU_CHA_BUF1_RDY(ch) (&IPU_STAT->ch_buf1_rdy[ch / 32])
+#define IPUIRQ_2_STATREG(irq) (IPU_INT_STAT(1) + ((irq) / 32))
+#define IPUIRQ_2_MASK(irq) (1UL << ((irq) & 0x1F))
+
+#define IPU_INT_CTRL(n) (&IPU_CM_REG->int_ctrl[(n) - 1])
+
+#define IDMAC_REG ((struct ipu_idmac *)(IPU_CTRL_BASE_ADDR + \
+ IPU_IDMAC_REG_BASE))
+#define IDMAC_CONF (&IDMAC_REG->conf)
+#define IDMAC_CHA_EN(ch) (&IDMAC_REG->ch_en[ch / 32])
+#define IDMAC_CHA_PRI(ch) (&IDMAC_REG->ch_pri[ch / 32])
+
+#define DI_REG(di) ((struct ipu_di *)(IPU_CTRL_BASE_ADDR + \
+ ((di == 1) ? IPU_DI1_REG_BASE : \
+ IPU_DI0_REG_BASE)))
+#define DI_GENERAL(di) (&DI_REG(di)->general)
+#define DI_BS_CLKGEN0(di) (&DI_REG(di)->bs_clkgen0)
+#define DI_BS_CLKGEN1(di) (&DI_REG(di)->bs_clkgen1)
+
+#define DI_SW_GEN0(di, gen) (&DI_REG(di)->sw_gen0[gen - 1])
+#define DI_SW_GEN1(di, gen) (&DI_REG(di)->sw_gen1[gen - 1])
+#define DI_STP_REP(di, gen) (&DI_REG(di)->stp_rep[(gen - 1) / 2])
+#define DI_STP_REP9(di) (&DI_REG(di)->stp_rep9)
+#define DI_SYNC_AS_GEN(di) (&DI_REG(di)->sync_as)
+#define DI_DW_GEN(di, gen) (&DI_REG(di)->dw_gen[gen])
+#define DI_DW_SET(di, gen, set) (&DI_REG(di)->dw_set[gen + 12 * set])
+#define DI_POL(di) (&DI_REG(di)->pol)
+#define DI_SCR_CONF(di) (&DI_REG(di)->scr_conf)
+
+#define DMFC_REG ((struct ipu_dmfc *)(IPU_CTRL_BASE_ADDR + \
+ IPU_DMFC_REG_BASE))
+#define DMFC_WR_CHAN (&DMFC_REG->wr_chan)
+#define DMFC_WR_CHAN_DEF (&DMFC_REG->wr_chan_def)
+#define DMFC_DP_CHAN (&DMFC_REG->dp_chan)
+#define DMFC_DP_CHAN_DEF (&DMFC_REG->dp_chan_def)
+#define DMFC_GENERAL1 (&DMFC_REG->general[0])
+#define DMFC_IC_CTRL (&DMFC_REG->ic_ctrl)
+
+
+#define DC_REG ((struct ipu_dc *)(IPU_CTRL_BASE_ADDR + \
+ IPU_DC_REG_BASE))
+#define DC_MAP_CONF_PTR(n) (&DC_REG->dc_map_ptr[n / 2])
+#define DC_MAP_CONF_VAL(n) (&DC_REG->dc_map_val[n / 2])
+
+
+static inline struct ipu_dc_ch *dc_ch_offset(int ch)
+{
+ switch (ch) {
+ case 0:
+ case 1:
+ case 2:
+ return &DC_REG->dc_ch0_1_2[ch];
+ case 5:
+ case 6:
+ return &DC_REG->dc_ch5_6[ch - 5];
+ case 8:
+ return &DC_REG->dc_ch8;
+ case 9:
+ return &DC_REG->dc_ch9;
+ default:
+ printf("%s: invalid channel %d\n", __func__, ch);
+ return NULL;
+ }
+
+}
+
+#define DC_RL_CH(ch, evt) (&dc_ch_offset(ch)->rl[evt / 2])
+
+#define DC_WR_CH_CONF(ch) (&dc_ch_offset(ch)->wr_ch_conf)
+#define DC_WR_CH_ADDR(ch) (&dc_ch_offset(ch)->wr_ch_addr)
+
+#define DC_WR_CH_CONF_1 DC_WR_CH_CONF(1)
+#define DC_WR_CH_CONF_5 DC_WR_CH_CONF(5)
+
+#define DC_GEN (&DC_REG->gen)
+#define DC_DISP_CONF2(disp) (&DC_REG->disp_conf2[disp])
+#define DC_STAT (&DC_REG->stat)
+
+#define DP_SYNC 0
+#define DP_ASYNC0 0x60
+#define DP_ASYNC1 0xBC
+
+#define DP_REG ((struct ipu_dp *)(IPU_CTRL_BASE_ADDR + \
+ IPU_DP_REG_BASE))
+#define DP_COM_CONF() (&DP_REG->com_conf_sync)
+#define DP_GRAPH_WIND_CTRL() (&DP_REG->graph_wind_ctrl_sync)
+#define DP_CSC_A_0() (&DP_REG->csca_sync[0])
+#define DP_CSC_A_1() (&DP_REG->csca_sync[1])
+#define DP_CSC_A_2() (&DP_REG->csca_sync[2])
+#define DP_CSC_A_3() (&DP_REG->csca_sync[3])
+
+#define DP_CSC_0() (&DP_REG->csc_sync[0])
+#define DP_CSC_1() (&DP_REG->csc_sync[1])
+
+/* DC template opcodes */
+#define WROD(lf) (0x18 | (lf << 1))
+
+#endif
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Porting to u-boot:
+ *
+ * (C) Copyright 2010
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de
+ *
+ * MX51 Linux framebuffer:
+ *
+ * (C) Copyright 2004-2010 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <linux/errno.h>
+#include <asm/global_data.h>
+#include <linux/string.h>
+#include <linux/list.h>
+#include <linux/fb.h>
+#include <asm/io.h>
+#include <asm/mach-imx/video.h>
+#include <malloc.h>
+#include <video_fb.h>
+#include "../videomodes.h"
+#include "ipu.h"
+#include "mxcfb.h"
+#include "ipu_regs.h"
+
+#include <dm.h>
+#include <video.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static int mxcfb_map_video_memory(struct fb_info *fbi);
+static int mxcfb_unmap_video_memory(struct fb_info *fbi);
+
+/* graphics setup */
+static GraphicDevice panel;
+static struct fb_videomode const *gmode;
+static uint8_t gdisp;
+static uint32_t gpixfmt;
+
+static void fb_videomode_to_var(struct fb_var_screeninfo *var,
+ const struct fb_videomode *mode)
+{
+ var->xres = mode->xres;
+ var->yres = mode->yres;
+ var->xres_virtual = mode->xres;
+ var->yres_virtual = mode->yres;
+ var->xoffset = 0;
+ var->yoffset = 0;
+ var->pixclock = mode->pixclock;
+ var->left_margin = mode->left_margin;
+ var->right_margin = mode->right_margin;
+ var->upper_margin = mode->upper_margin;
+ var->lower_margin = mode->lower_margin;
+ var->hsync_len = mode->hsync_len;
+ var->vsync_len = mode->vsync_len;
+ var->sync = mode->sync;
+ var->vmode = mode->vmode & FB_VMODE_MASK;
+}
+
+/*
+ * Structure containing the MXC specific framebuffer information.
+ */
+struct mxcfb_info {
+ int blank;
+ ipu_channel_t ipu_ch;
+ int ipu_di;
+ u32 ipu_di_pix_fmt;
+ unsigned char overlay;
+ unsigned char alpha_chan_en;
+ dma_addr_t alpha_phy_addr0;
+ dma_addr_t alpha_phy_addr1;
+ void *alpha_virt_addr0;
+ void *alpha_virt_addr1;
+ uint32_t alpha_mem_len;
+ uint32_t cur_ipu_buf;
+ uint32_t cur_ipu_alpha_buf;
+
+ u32 pseudo_palette[16];
+};
+
+enum {
+ BOTH_ON,
+ SRC_ON,
+ TGT_ON,
+ BOTH_OFF
+};
+
+static unsigned long default_bpp = 16;
+static unsigned char g_dp_in_use;
+static struct fb_info *mxcfb_info[3];
+static int ext_clk_used;
+
+static uint32_t bpp_to_pixfmt(struct fb_info *fbi)
+{
+ uint32_t pixfmt = 0;
+
+ debug("bpp_to_pixfmt: %d\n", fbi->var.bits_per_pixel);
+
+ if (fbi->var.nonstd)
+ return fbi->var.nonstd;
+
+ switch (fbi->var.bits_per_pixel) {
+ case 24:
+ pixfmt = IPU_PIX_FMT_BGR24;
+ break;
+ case 32:
+ pixfmt = IPU_PIX_FMT_BGR32;
+ break;
+ case 16:
+ pixfmt = IPU_PIX_FMT_RGB565;
+ break;
+ }
+ return pixfmt;
+}
+
+/*
+ * Set fixed framebuffer parameters based on variable settings.
+ *
+ * @param info framebuffer information pointer
+ */
+static int mxcfb_set_fix(struct fb_info *info)
+{
+ struct fb_fix_screeninfo *fix = &info->fix;
+ struct fb_var_screeninfo *var = &info->var;
+
+ fix->line_length = var->xres_virtual * var->bits_per_pixel / 8;
+
+ fix->type = FB_TYPE_PACKED_PIXELS;
+ fix->accel = FB_ACCEL_NONE;
+ fix->visual = FB_VISUAL_TRUECOLOR;
+ fix->xpanstep = 1;
+ fix->ypanstep = 1;
+
+ return 0;
+}
+
+static int setup_disp_channel1(struct fb_info *fbi)
+{
+ ipu_channel_params_t params;
+ struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)fbi->par;
+
+ memset(¶ms, 0, sizeof(params));
+ params.mem_dp_bg_sync.di = mxc_fbi->ipu_di;
+
+ debug("%s called\n", __func__);
+ /*
+ * Assuming interlaced means yuv output, below setting also
+ * valid for mem_dc_sync. FG should have the same vmode as BG.
+ */
+ if (fbi->var.vmode & FB_VMODE_INTERLACED) {
+ params.mem_dp_bg_sync.interlaced = 1;
+ params.mem_dp_bg_sync.out_pixel_fmt =
+ IPU_PIX_FMT_YUV444;
+ } else {
+ if (mxc_fbi->ipu_di_pix_fmt) {
+ params.mem_dp_bg_sync.out_pixel_fmt =
+ mxc_fbi->ipu_di_pix_fmt;
+ } else {
+ params.mem_dp_bg_sync.out_pixel_fmt =
+ IPU_PIX_FMT_RGB666;
+ }
+ }
+ params.mem_dp_bg_sync.in_pixel_fmt = bpp_to_pixfmt(fbi);
+ if (mxc_fbi->alpha_chan_en)
+ params.mem_dp_bg_sync.alpha_chan_en = 1;
+
+ ipu_init_channel(mxc_fbi->ipu_ch, ¶ms);
+
+ return 0;
+}
+
+static int setup_disp_channel2(struct fb_info *fbi)
+{
+ int retval = 0;
+ struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)fbi->par;
+
+ mxc_fbi->cur_ipu_buf = 1;
+ if (mxc_fbi->alpha_chan_en)
+ mxc_fbi->cur_ipu_alpha_buf = 1;
+
+ fbi->var.xoffset = fbi->var.yoffset = 0;
+
+ debug("%s: %x %d %d %d %lx %lx\n",
+ __func__,
+ mxc_fbi->ipu_ch,
+ fbi->var.xres,
+ fbi->var.yres,
+ fbi->fix.line_length,
+ fbi->fix.smem_start,
+ fbi->fix.smem_start +
+ (fbi->fix.line_length * fbi->var.yres));
+
+ retval = ipu_init_channel_buffer(mxc_fbi->ipu_ch, IPU_INPUT_BUFFER,
+ bpp_to_pixfmt(fbi),
+ fbi->var.xres, fbi->var.yres,
+ fbi->fix.line_length,
+ fbi->fix.smem_start +
+ (fbi->fix.line_length * fbi->var.yres),
+ fbi->fix.smem_start,
+ 0, 0);
+ if (retval)
+ printf("ipu_init_channel_buffer error %d\n", retval);
+
+ return retval;
+}
+
+/*
+ * Set framebuffer parameters and change the operating mode.
+ *
+ * @param info framebuffer information pointer
+ */
+static int mxcfb_set_par(struct fb_info *fbi)
+{
+ int retval = 0;
+ u32 mem_len;
+ ipu_di_signal_cfg_t sig_cfg;
+ struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)fbi->par;
+ uint32_t out_pixel_fmt;
+
+ ipu_disable_channel(mxc_fbi->ipu_ch);
+ ipu_uninit_channel(mxc_fbi->ipu_ch);
+ mxcfb_set_fix(fbi);
+
+ mem_len = fbi->var.yres_virtual * fbi->fix.line_length;
+ if (!fbi->fix.smem_start || (mem_len > fbi->fix.smem_len)) {
+ if (fbi->fix.smem_start)
+ mxcfb_unmap_video_memory(fbi);
+
+ if (mxcfb_map_video_memory(fbi) < 0)
+ return -ENOMEM;
+ }
+
+ setup_disp_channel1(fbi);
+
+ memset(&sig_cfg, 0, sizeof(sig_cfg));
+ if (fbi->var.vmode & FB_VMODE_INTERLACED) {
+ sig_cfg.interlaced = 1;
+ out_pixel_fmt = IPU_PIX_FMT_YUV444;
+ } else {
+ if (mxc_fbi->ipu_di_pix_fmt)
+ out_pixel_fmt = mxc_fbi->ipu_di_pix_fmt;
+ else
+ out_pixel_fmt = IPU_PIX_FMT_RGB666;
+ }
+ if (fbi->var.vmode & FB_VMODE_ODD_FLD_FIRST) /* PAL */
+ sig_cfg.odd_field_first = 1;
+ if ((fbi->var.sync & FB_SYNC_EXT) || ext_clk_used)
+ sig_cfg.ext_clk = 1;
+ if (fbi->var.sync & FB_SYNC_HOR_HIGH_ACT)
+ sig_cfg.Hsync_pol = 1;
+ if (fbi->var.sync & FB_SYNC_VERT_HIGH_ACT)
+ sig_cfg.Vsync_pol = 1;
+ if (!(fbi->var.sync & FB_SYNC_CLK_LAT_FALL))
+ sig_cfg.clk_pol = 1;
+ if (fbi->var.sync & FB_SYNC_DATA_INVERT)
+ sig_cfg.data_pol = 1;
+ if (!(fbi->var.sync & FB_SYNC_OE_LOW_ACT))
+ sig_cfg.enable_pol = 1;
+ if (fbi->var.sync & FB_SYNC_CLK_IDLE_EN)
+ sig_cfg.clkidle_en = 1;
+
+ debug("pixclock = %lu Hz\n", PICOS2KHZ(fbi->var.pixclock) * 1000UL);
+
+ if (ipu_init_sync_panel(mxc_fbi->ipu_di,
+ (PICOS2KHZ(fbi->var.pixclock)) * 1000UL,
+ fbi->var.xres, fbi->var.yres,
+ out_pixel_fmt,
+ fbi->var.left_margin,
+ fbi->var.hsync_len,
+ fbi->var.right_margin,
+ fbi->var.upper_margin,
+ fbi->var.vsync_len,
+ fbi->var.lower_margin,
+ 0, sig_cfg) != 0) {
+ puts("mxcfb: Error initializing panel.\n");
+ return -EINVAL;
+ }
+
+ retval = setup_disp_channel2(fbi);
+ if (retval)
+ return retval;
+
+ if (mxc_fbi->blank == FB_BLANK_UNBLANK)
+ ipu_enable_channel(mxc_fbi->ipu_ch);
+
+ return retval;
+}
+
+/*
+ * Check framebuffer variable parameters and adjust to valid values.
+ *
+ * @param var framebuffer variable parameters
+ *
+ * @param info framebuffer information pointer
+ */
+static int mxcfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+ u32 vtotal;
+ u32 htotal;
+
+ if (var->xres_virtual < var->xres)
+ var->xres_virtual = var->xres;
+ if (var->yres_virtual < var->yres)
+ var->yres_virtual = var->yres;
+
+ if ((var->bits_per_pixel != 32) && (var->bits_per_pixel != 24) &&
+ (var->bits_per_pixel != 16) && (var->bits_per_pixel != 8))
+ var->bits_per_pixel = default_bpp;
+
+ switch (var->bits_per_pixel) {
+ case 8:
+ var->red.length = 3;
+ var->red.offset = 5;
+ var->red.msb_right = 0;
+
+ var->green.length = 3;
+ var->green.offset = 2;
+ var->green.msb_right = 0;
+
+ var->blue.length = 2;
+ var->blue.offset = 0;
+ var->blue.msb_right = 0;
+
+ var->transp.length = 0;
+ var->transp.offset = 0;
+ var->transp.msb_right = 0;
+ break;
+ case 16:
+ var->red.length = 5;
+ var->red.offset = 11;
+ var->red.msb_right = 0;
+
+ var->green.length = 6;
+ var->green.offset = 5;
+ var->green.msb_right = 0;
+
+ var->blue.length = 5;
+ var->blue.offset = 0;
+ var->blue.msb_right = 0;
+
+ var->transp.length = 0;
+ var->transp.offset = 0;
+ var->transp.msb_right = 0;
+ break;
+ case 24:
+ var->red.length = 8;
+ var->red.offset = 16;
+ var->red.msb_right = 0;
+
+ var->green.length = 8;
+ var->green.offset = 8;
+ var->green.msb_right = 0;
+
+ var->blue.length = 8;
+ var->blue.offset = 0;
+ var->blue.msb_right = 0;
+
+ var->transp.length = 0;
+ var->transp.offset = 0;
+ var->transp.msb_right = 0;
+ break;
+ case 32:
+ var->red.length = 8;
+ var->red.offset = 16;
+ var->red.msb_right = 0;
+
+ var->green.length = 8;
+ var->green.offset = 8;
+ var->green.msb_right = 0;
+
+ var->blue.length = 8;
+ var->blue.offset = 0;
+ var->blue.msb_right = 0;
+
+ var->transp.length = 8;
+ var->transp.offset = 24;
+ var->transp.msb_right = 0;
+ break;
+ }
+
+ if (var->pixclock < 1000) {
+ htotal = var->xres + var->right_margin + var->hsync_len +
+ var->left_margin;
+ vtotal = var->yres + var->lower_margin + var->vsync_len +
+ var->upper_margin;
+ var->pixclock = (vtotal * htotal * 6UL) / 100UL;
+ var->pixclock = KHZ2PICOS(var->pixclock);
+ printf("pixclock set for 60Hz refresh = %u ps\n",
+ var->pixclock);
+ }
+
+ var->height = -1;
+ var->width = -1;
+ var->grayscale = 0;
+
+ return 0;
+}
+
+static int mxcfb_map_video_memory(struct fb_info *fbi)
+{
+ if (fbi->fix.smem_len < fbi->var.yres_virtual * fbi->fix.line_length) {
+ fbi->fix.smem_len = fbi->var.yres_virtual *
+ fbi->fix.line_length;
+ }
+ fbi->fix.smem_len = roundup(fbi->fix.smem_len, ARCH_DMA_MINALIGN);
+
+#if CONFIG_IS_ENABLED(DM_VIDEO)
+ fbi->screen_base = (char *)gd->video_bottom;
+#else
+ fbi->screen_base = (char *)memalign(ARCH_DMA_MINALIGN,
+ fbi->fix.smem_len);
+#endif
+
+ fbi->fix.smem_start = (unsigned long)fbi->screen_base;
+ if (fbi->screen_base == 0) {
+ puts("Unable to allocate framebuffer memory\n");
+ fbi->fix.smem_len = 0;
+ fbi->fix.smem_start = 0;
+ return -EBUSY;
+ }
+
+ debug("allocated fb @ paddr=0x%08X, size=%d.\n",
+ (uint32_t) fbi->fix.smem_start, fbi->fix.smem_len);
+
+ fbi->screen_size = fbi->fix.smem_len;
+
+#if CONFIG_IS_ENABLED(VIDEO)
+ gd->fb_base = fbi->fix.smem_start;
+#endif
+
+ /* Clear the screen */
+ memset((char *)fbi->screen_base, 0, fbi->fix.smem_len);
+
+ return 0;
+}
+
+static int mxcfb_unmap_video_memory(struct fb_info *fbi)
+{
+ fbi->screen_base = 0;
+ fbi->fix.smem_start = 0;
+ fbi->fix.smem_len = 0;
+ return 0;
+}
+
+/*
+ * Initializes the framebuffer information pointer. After allocating
+ * sufficient memory for the framebuffer structure, the fields are
+ * filled with custom information passed in from the configurable
+ * structures. This includes information such as bits per pixel,
+ * color maps, screen width/height and RGBA offsets.
+ *
+ * @return Framebuffer structure initialized with our information
+ */
+static struct fb_info *mxcfb_init_fbinfo(void)
+{
+#define BYTES_PER_LONG 4
+#define PADDING (BYTES_PER_LONG - (sizeof(struct fb_info) % BYTES_PER_LONG))
+ struct fb_info *fbi;
+ struct mxcfb_info *mxcfbi;
+ char *p;
+ int size = sizeof(struct mxcfb_info) + PADDING +
+ sizeof(struct fb_info);
+
+ debug("%s: %d %d %d %d\n",
+ __func__,
+ PADDING,
+ size,
+ sizeof(struct mxcfb_info),
+ sizeof(struct fb_info));
+ /*
+ * Allocate sufficient memory for the fb structure
+ */
+
+ p = malloc(size);
+ if (!p)
+ return NULL;
+
+ memset(p, 0, size);
+
+ fbi = (struct fb_info *)p;
+ fbi->par = p + sizeof(struct fb_info) + PADDING;
+
+ mxcfbi = (struct mxcfb_info *)fbi->par;
+ debug("Framebuffer structures at: fbi=0x%x mxcfbi=0x%x\n",
+ (unsigned int)fbi, (unsigned int)mxcfbi);
+
+ fbi->var.activate = FB_ACTIVATE_NOW;
+
+ fbi->flags = FBINFO_FLAG_DEFAULT;
+ fbi->pseudo_palette = mxcfbi->pseudo_palette;
+
+ return fbi;
+}
+
+/*
+ * Probe routine for the framebuffer driver. It is called during the
+ * driver binding process. The following functions are performed in
+ * this routine: Framebuffer initialization, Memory allocation and
+ * mapping, Framebuffer registration, IPU initialization.
+ *
+ * @return Appropriate error code to the kernel common code
+ */
+static int mxcfb_probe(u32 interface_pix_fmt, uint8_t disp,
+ struct fb_videomode const *mode)
+{
+ struct fb_info *fbi;
+ struct mxcfb_info *mxcfbi;
+ int ret = 0;
+
+ /*
+ * Initialize FB structures
+ */
+ fbi = mxcfb_init_fbinfo();
+ if (!fbi) {
+ ret = -ENOMEM;
+ goto err0;
+ }
+ mxcfbi = (struct mxcfb_info *)fbi->par;
+
+ if (!g_dp_in_use) {
+ mxcfbi->ipu_ch = MEM_BG_SYNC;
+ mxcfbi->blank = FB_BLANK_UNBLANK;
+ } else {
+ mxcfbi->ipu_ch = MEM_DC_SYNC;
+ mxcfbi->blank = FB_BLANK_POWERDOWN;
+ }
+
+ mxcfbi->ipu_di = disp;
+
+ ipu_disp_set_global_alpha(mxcfbi->ipu_ch, 1, 0x80);
+ ipu_disp_set_color_key(mxcfbi->ipu_ch, 0, 0);
+ strcpy(fbi->fix.id, "DISP3 BG");
+
+ g_dp_in_use = 1;
+
+ mxcfb_info[mxcfbi->ipu_di] = fbi;
+
+ /* Need dummy values until real panel is configured */
+
+ mxcfbi->ipu_di_pix_fmt = interface_pix_fmt;
+ fb_videomode_to_var(&fbi->var, mode);
+ fbi->var.bits_per_pixel = 16;
+ fbi->fix.line_length = fbi->var.xres * (fbi->var.bits_per_pixel / 8);
+ fbi->fix.smem_len = fbi->var.yres_virtual * fbi->fix.line_length;
+
+ mxcfb_check_var(&fbi->var, fbi);
+
+ /* Default Y virtual size is 2x panel size */
+ fbi->var.yres_virtual = fbi->var.yres * 2;
+
+ mxcfb_set_fix(fbi);
+
+ /* allocate fb first */
+ if (mxcfb_map_video_memory(fbi) < 0)
+ return -ENOMEM;
+
+ mxcfb_set_par(fbi);
+
+ panel.winSizeX = mode->xres;
+ panel.winSizeY = mode->yres;
+ panel.plnSizeX = mode->xres;
+ panel.plnSizeY = mode->yres;
+
+ panel.frameAdrs = (u32)fbi->screen_base;
+ panel.memSize = fbi->screen_size;
+
+ panel.gdfBytesPP = 2;
+ panel.gdfIndex = GDF_16BIT_565RGB;
+
+ ipu_dump_registers();
+
+ return 0;
+
+err0:
+ return ret;
+}
+
+void ipuv3_fb_shutdown(void)
+{
+ int i;
+ struct ipu_stat *stat = (struct ipu_stat *)IPU_STAT;
+
+ if (!ipu_clk_enabled())
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(mxcfb_info); i++) {
+ struct fb_info *fbi = mxcfb_info[i];
+ if (fbi) {
+ struct mxcfb_info *mxc_fbi = fbi->par;
+ ipu_disable_channel(mxc_fbi->ipu_ch);
+ ipu_uninit_channel(mxc_fbi->ipu_ch);
+ }
+ }
+ for (i = 0; i < ARRAY_SIZE(stat->int_stat); i++) {
+ __raw_writel(__raw_readl(&stat->int_stat[i]),
+ &stat->int_stat[i]);
+ }
+}
+
+void *video_hw_init(void)
+{
+ int ret;
+
+ ret = ipu_probe();
+ if (ret)
+ puts("Error initializing IPU\n");
+
+ ret = mxcfb_probe(gpixfmt, gdisp, gmode);
+ debug("Framebuffer at 0x%x\n", (unsigned int)panel.frameAdrs);
+
+ return (void *)&panel;
+}
+
+int ipuv3_fb_init(struct fb_videomode const *mode,
+ uint8_t disp,
+ uint32_t pixfmt)
+{
+ gmode = mode;
+ gdisp = disp;
+ gpixfmt = pixfmt;
+
+ return 0;
+}
+
+#if CONFIG_IS_ENABLED(DM_VIDEO)
+enum {
+ /* Maximum display size we support */
+ LCD_MAX_WIDTH = 1920,
+ LCD_MAX_HEIGHT = 1080,
+ LCD_MAX_LOG2_BPP = VIDEO_BPP16,
+};
+
+static int ipuv3_video_probe(struct udevice *dev)
+{
+ struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
+ struct video_priv *uc_priv = dev_get_uclass_priv(dev);
+ u32 fb_start, fb_end;
+ int ret;
+
+ debug("%s() plat: base 0x%lx, size 0x%x\n",
+ __func__, plat->base, plat->size);
+
+ ret = ipu_probe();
+ if (ret)
+ return ret;
+
+ ret = ipu_displays_init();
+ if (ret < 0)
+ return ret;
+
+ ret = mxcfb_probe(gpixfmt, gdisp, gmode);
+ if (ret < 0)
+ return ret;
+
+ uc_priv->xsize = gmode->xres;
+ uc_priv->ysize = gmode->yres;
+ uc_priv->bpix = LCD_MAX_LOG2_BPP;
+
+ /* Enable dcache for the frame buffer */
+ fb_start = plat->base & ~(MMU_SECTION_SIZE - 1);
+ fb_end = plat->base + plat->size;
+ fb_end = ALIGN(fb_end, 1 << MMU_SECTION_SHIFT);
+ mmu_set_region_dcache_behaviour(fb_start, fb_end - fb_start,
+ DCACHE_WRITEBACK);
+ video_set_flush_dcache(dev, true);
+
+ return 0;
+}
+
+struct ipuv3_video_priv {
+ ulong regs;
+};
+
+static int ipuv3_video_bind(struct udevice *dev)
+{
+ struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
+
+ plat->size = LCD_MAX_WIDTH * LCD_MAX_HEIGHT *
+ (1 << LCD_MAX_LOG2_BPP) / 8;
+
+ return 0;
+}
+
+static const struct udevice_id ipuv3_video_ids[] = {
+ { .compatible = "fsl,imx6q-ipu" },
+ { }
+};
+
+U_BOOT_DRIVER(ipuv3_video) = {
+ .name = "ipuv3_video",
+ .id = UCLASS_VIDEO,
+ .of_match = ipuv3_video_ids,
+ .bind = ipuv3_video_bind,
+ .probe = ipuv3_video_probe,
+ .priv_auto_alloc_size = sizeof(struct ipuv3_video_priv),
+ .flags = DM_FLAG_PRE_RELOC,
+};
+#endif /* CONFIG_DM_VIDEO */
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Porting to u-boot:
+ *
+ * (C) Copyright 2010
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de
+ *
+ * Linux IPU driver for MX51:
+ *
+ * (C) Copyright 2004-2009 Freescale Semiconductor, Inc.
+ */
+
+#ifndef __ASM_ARCH_MXCFB_H__
+#define __ASM_ARCH_MXCFB_H__
+
+#define FB_SYNC_OE_LOW_ACT 0x80000000
+#define FB_SYNC_CLK_LAT_FALL 0x40000000
+#define FB_SYNC_DATA_INVERT 0x20000000
+#define FB_SYNC_CLK_IDLE_EN 0x10000000
+#define FB_SYNC_SHARP_MODE 0x08000000
+#define FB_SYNC_SWAP_RGB 0x04000000
+
+struct mxcfb_gbl_alpha {
+ int enable;
+ int alpha;
+};
+
+struct mxcfb_loc_alpha {
+ int enable;
+ int alpha_in_pixel;
+ unsigned long alpha_phy_addr0;
+ unsigned long alpha_phy_addr1;
+};
+
+struct mxcfb_color_key {
+ int enable;
+ __u32 color_key;
+};
+
+struct mxcfb_pos {
+ __u16 x;
+ __u16 y;
+};
+
+struct mxcfb_gamma {
+ int enable;
+ int constk[16];
+ int slopek[16];
+};
+
+#endif
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Porting to u-boot:
- *
- * (C) Copyright 2010
- * Stefano Babic, DENX Software Engineering, sbabic@denx.de
- *
- * Linux IPU driver for MX51:
- *
- * (C) Copyright 2005-2010 Freescale Semiconductor, Inc.
- */
-
-#ifndef __ASM_ARCH_IPU_H__
-#define __ASM_ARCH_IPU_H__
-
-#include <linux/types.h>
-#include <ipu_pixfmt.h>
-
-#define IDMA_CHAN_INVALID 0xFF
-#define HIGH_RESOLUTION_WIDTH 1024
-
-struct clk {
- const char *name;
- int id;
- /* Source clock this clk depends on */
- struct clk *parent;
- /* Secondary clock to enable/disable with this clock */
- struct clk *secondary;
- /* Current clock rate */
- unsigned long rate;
- /* Reference count of clock enable/disable */
- __s8 usecount;
- /* Register bit position for clock's enable/disable control. */
- u8 enable_shift;
- /* Register address for clock's enable/disable control. */
- void *enable_reg;
- u32 flags;
- /*
- * Function ptr to recalculate the clock's rate based on parent
- * clock's rate
- */
- void (*recalc) (struct clk *);
- /*
- * Function ptr to set the clock to a new rate. The rate must match a
- * supported rate returned from round_rate. Leave blank if clock is not
- * programmable
- */
- int (*set_rate) (struct clk *, unsigned long);
- /*
- * Function ptr to round the requested clock rate to the nearest
- * supported rate that is less than or equal to the requested rate.
- */
- unsigned long (*round_rate) (struct clk *, unsigned long);
- /*
- * Function ptr to enable the clock. Leave blank if clock can not
- * be gated.
- */
- int (*enable) (struct clk *);
- /*
- * Function ptr to disable the clock. Leave blank if clock can not
- * be gated.
- */
- void (*disable) (struct clk *);
- /* Function ptr to set the parent clock of the clock. */
- int (*set_parent) (struct clk *, struct clk *);
-};
-
-/*
- * Enumeration of Synchronous (Memory-less) panel types
- */
-typedef enum {
- IPU_PANEL_SHARP_TFT,
- IPU_PANEL_TFT,
-} ipu_panel_t;
-
-/*
- * IPU Driver channels definitions.
- * Note these are different from IDMA channels
- */
-#define IPU_MAX_CH 32
-#define _MAKE_CHAN(num, v_in, g_in, a_in, out) \
- ((num << 24) | (v_in << 18) | (g_in << 12) | (a_in << 6) | out)
-#define _MAKE_ALT_CHAN(ch) (ch | (IPU_MAX_CH << 24))
-#define IPU_CHAN_ID(ch) (ch >> 24)
-#define IPU_CHAN_ALT(ch) (ch & 0x02000000)
-#define IPU_CHAN_ALPHA_IN_DMA(ch) ((uint32_t) (ch >> 6) & 0x3F)
-#define IPU_CHAN_GRAPH_IN_DMA(ch) ((uint32_t) (ch >> 12) & 0x3F)
-#define IPU_CHAN_VIDEO_IN_DMA(ch) ((uint32_t) (ch >> 18) & 0x3F)
-#define IPU_CHAN_OUT_DMA(ch) ((uint32_t) (ch & 0x3F))
-#define NO_DMA 0x3F
-#define ALT 1
-
-/*
- * Enumeration of IPU logical channels. An IPU logical channel is defined as a
- * combination of an input (memory to IPU), output (IPU to memory), and/or
- * secondary input IDMA channels and in some cases an Image Converter task.
- * Some channels consist of only an input or output.
- */
-typedef enum {
- CHAN_NONE = -1,
-
- MEM_DC_SYNC = _MAKE_CHAN(7, 28, NO_DMA, NO_DMA, NO_DMA),
- MEM_DC_ASYNC = _MAKE_CHAN(8, 41, NO_DMA, NO_DMA, NO_DMA),
- MEM_BG_SYNC = _MAKE_CHAN(9, 23, NO_DMA, 51, NO_DMA),
- MEM_FG_SYNC = _MAKE_CHAN(10, 27, NO_DMA, 31, NO_DMA),
-
- MEM_BG_ASYNC0 = _MAKE_CHAN(11, 24, NO_DMA, 52, NO_DMA),
- MEM_FG_ASYNC0 = _MAKE_CHAN(12, 29, NO_DMA, 33, NO_DMA),
- MEM_BG_ASYNC1 = _MAKE_ALT_CHAN(MEM_BG_ASYNC0),
- MEM_FG_ASYNC1 = _MAKE_ALT_CHAN(MEM_FG_ASYNC0),
-
- DIRECT_ASYNC0 = _MAKE_CHAN(13, NO_DMA, NO_DMA, NO_DMA, NO_DMA),
- DIRECT_ASYNC1 = _MAKE_CHAN(14, NO_DMA, NO_DMA, NO_DMA, NO_DMA),
-
-} ipu_channel_t;
-
-/*
- * Enumeration of types of buffers for a logical channel.
- */
-typedef enum {
- IPU_OUTPUT_BUFFER = 0, /*< Buffer for output from IPU */
- IPU_ALPHA_IN_BUFFER = 1, /*< Buffer for input to IPU */
- IPU_GRAPH_IN_BUFFER = 2, /*< Buffer for input to IPU */
- IPU_VIDEO_IN_BUFFER = 3, /*< Buffer for input to IPU */
- IPU_INPUT_BUFFER = IPU_VIDEO_IN_BUFFER,
- IPU_SEC_INPUT_BUFFER = IPU_GRAPH_IN_BUFFER,
-} ipu_buffer_t;
-
-#define IPU_PANEL_SERIAL 1
-#define IPU_PANEL_PARALLEL 2
-
-struct ipu_channel {
- u8 video_in_dma;
- u8 alpha_in_dma;
- u8 graph_in_dma;
- u8 out_dma;
-};
-
-enum ipu_dmfc_type {
- DMFC_NORMAL = 0,
- DMFC_HIGH_RESOLUTION_DC,
- DMFC_HIGH_RESOLUTION_DP,
- DMFC_HIGH_RESOLUTION_ONLY_DP,
-};
-
-
-/*
- * Union of initialization parameters for a logical channel.
- */
-typedef union {
- struct {
- uint32_t di;
- unsigned char interlaced;
- } mem_dc_sync;
- struct {
- uint32_t temp;
- } mem_sdc_fg;
- struct {
- uint32_t di;
- unsigned char interlaced;
- uint32_t in_pixel_fmt;
- uint32_t out_pixel_fmt;
- unsigned char alpha_chan_en;
- } mem_dp_bg_sync;
- struct {
- uint32_t temp;
- } mem_sdc_bg;
- struct {
- uint32_t di;
- unsigned char interlaced;
- uint32_t in_pixel_fmt;
- uint32_t out_pixel_fmt;
- unsigned char alpha_chan_en;
- } mem_dp_fg_sync;
-} ipu_channel_params_t;
-
-/*
- * Enumeration of IPU interrupts.
- */
-enum ipu_irq_line {
- IPU_IRQ_DP_SF_END = 448 + 3,
- IPU_IRQ_DC_FC_1 = 448 + 9,
-};
-
-/*
- * Bitfield of Display Interface signal polarities.
- */
-typedef struct {
- unsigned datamask_en:1;
- unsigned ext_clk:1;
- unsigned interlaced:1;
- unsigned odd_field_first:1;
- unsigned clksel_en:1;
- unsigned clkidle_en:1;
- unsigned data_pol:1; /* true = inverted */
- unsigned clk_pol:1; /* true = rising edge */
- unsigned enable_pol:1;
- unsigned Hsync_pol:1; /* true = active high */
- unsigned Vsync_pol:1;
-} ipu_di_signal_cfg_t;
-
-typedef enum {
- RGB,
- YCbCr,
- YUV
-} ipu_color_space_t;
-
-/* Common IPU API */
-int32_t ipu_init_channel(ipu_channel_t channel, ipu_channel_params_t *params);
-void ipu_uninit_channel(ipu_channel_t channel);
-
-int32_t ipu_init_channel_buffer(ipu_channel_t channel, ipu_buffer_t type,
- uint32_t pixel_fmt,
- uint16_t width, uint16_t height,
- uint32_t stride,
- dma_addr_t phyaddr_0, dma_addr_t phyaddr_1,
- uint32_t u_offset, uint32_t v_offset);
-
-int32_t ipu_update_channel_buffer(ipu_channel_t channel, ipu_buffer_t type,
- uint32_t bufNum, dma_addr_t phyaddr);
-
-int32_t ipu_is_channel_busy(ipu_channel_t channel);
-void ipu_clear_buffer_ready(ipu_channel_t channel, ipu_buffer_t type,
- uint32_t bufNum);
-int32_t ipu_enable_channel(ipu_channel_t channel);
-int32_t ipu_disable_channel(ipu_channel_t channel);
-
-int32_t ipu_init_sync_panel(int disp,
- uint32_t pixel_clk,
- uint16_t width, uint16_t height,
- uint32_t pixel_fmt,
- uint16_t h_start_width, uint16_t h_sync_width,
- uint16_t h_end_width, uint16_t v_start_width,
- uint16_t v_sync_width, uint16_t v_end_width,
- uint32_t v_to_h_sync, ipu_di_signal_cfg_t sig);
-
-int32_t ipu_disp_set_global_alpha(ipu_channel_t channel, unsigned char enable,
- uint8_t alpha);
-int32_t ipu_disp_set_color_key(ipu_channel_t channel, unsigned char enable,
- uint32_t colorKey);
-
-uint32_t bytes_per_pixel(uint32_t fmt);
-
-void clk_enable(struct clk *clk);
-void clk_disable(struct clk *clk);
-u32 clk_get_rate(struct clk *clk);
-int clk_set_rate(struct clk *clk, unsigned long rate);
-long clk_round_rate(struct clk *clk, unsigned long rate);
-int clk_set_parent(struct clk *clk, struct clk *parent);
-int clk_get_usecount(struct clk *clk);
-struct clk *clk_get_parent(struct clk *clk);
-
-void ipu_dump_registers(void);
-int ipu_probe(void);
-bool ipu_clk_enabled(void);
-
-void ipu_dmfc_init(int dmfc_type, int first);
-void ipu_init_dc_mappings(void);
-void ipu_dmfc_set_wait4eot(int dma_chan, int width);
-void ipu_dc_init(int dc_chan, int di, unsigned char interlaced);
-void ipu_dc_uninit(int dc_chan);
-void ipu_dp_dc_enable(ipu_channel_t channel);
-int ipu_dp_init(ipu_channel_t channel, uint32_t in_pixel_fmt,
- uint32_t out_pixel_fmt);
-void ipu_dp_uninit(ipu_channel_t channel);
-void ipu_dp_dc_disable(ipu_channel_t channel, unsigned char swap);
-ipu_color_space_t format_to_colorspace(uint32_t fmt);
-#endif
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Porting to u-boot:
- *
- * (C) Copyright 2010
- * Stefano Babic, DENX Software Engineering, sbabic@denx.de
- *
- * Linux IPU driver for MX51:
- *
- * (C) Copyright 2005-2010 Freescale Semiconductor, Inc.
- */
-
-/* #define DEBUG */
-#include <common.h>
-#include <linux/types.h>
-#include <linux/err.h>
-#include <asm/io.h>
-#include <linux/errno.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/crm_regs.h>
-#include <asm/arch/sys_proto.h>
-#include <div64.h>
-#include "ipu.h"
-#include "ipu_regs.h"
-
-extern struct mxc_ccm_reg *mxc_ccm;
-extern u32 *ipu_cpmem_base;
-
-struct ipu_ch_param_word {
- uint32_t data[5];
- uint32_t res[3];
-};
-
-struct ipu_ch_param {
- struct ipu_ch_param_word word[2];
-};
-
-#define ipu_ch_param_addr(ch) (((struct ipu_ch_param *)ipu_cpmem_base) + (ch))
-
-#define _param_word(base, w) \
- (((struct ipu_ch_param *)(base))->word[(w)].data)
-
-#define ipu_ch_param_set_field(base, w, bit, size, v) { \
- int i = (bit) / 32; \
- int off = (bit) % 32; \
- _param_word(base, w)[i] |= (v) << off; \
- if (((bit) + (size) - 1) / 32 > i) { \
- _param_word(base, w)[i + 1] |= (v) >> (off ? (32 - off) : 0); \
- } \
-}
-
-#define ipu_ch_param_mod_field(base, w, bit, size, v) { \
- int i = (bit) / 32; \
- int off = (bit) % 32; \
- u32 mask = (1UL << size) - 1; \
- u32 temp = _param_word(base, w)[i]; \
- temp &= ~(mask << off); \
- _param_word(base, w)[i] = temp | (v) << off; \
- if (((bit) + (size) - 1) / 32 > i) { \
- temp = _param_word(base, w)[i + 1]; \
- temp &= ~(mask >> (32 - off)); \
- _param_word(base, w)[i + 1] = \
- temp | ((v) >> (off ? (32 - off) : 0)); \
- } \
-}
-
-#define ipu_ch_param_read_field(base, w, bit, size) ({ \
- u32 temp2; \
- int i = (bit) / 32; \
- int off = (bit) % 32; \
- u32 mask = (1UL << size) - 1; \
- u32 temp1 = _param_word(base, w)[i]; \
- temp1 = mask & (temp1 >> off); \
- if (((bit)+(size) - 1) / 32 > i) { \
- temp2 = _param_word(base, w)[i + 1]; \
- temp2 &= mask >> (off ? (32 - off) : 0); \
- temp1 |= temp2 << (off ? (32 - off) : 0); \
- } \
- temp1; \
-})
-
-#define IPU_SW_RST_TOUT_USEC (10000)
-
-#define IPUV3_CLK_MX51 133000000
-#define IPUV3_CLK_MX53 200000000
-#define IPUV3_CLK_MX6Q 264000000
-#define IPUV3_CLK_MX6DL 198000000
-
-void clk_enable(struct clk *clk)
-{
- if (clk) {
- if (clk->usecount++ == 0) {
- clk->enable(clk);
- }
- }
-}
-
-void clk_disable(struct clk *clk)
-{
- if (clk) {
- if (!(--clk->usecount)) {
- if (clk->disable)
- clk->disable(clk);
- }
- }
-}
-
-int clk_get_usecount(struct clk *clk)
-{
- if (clk == NULL)
- return 0;
-
- return clk->usecount;
-}
-
-u32 clk_get_rate(struct clk *clk)
-{
- if (!clk)
- return 0;
-
- return clk->rate;
-}
-
-struct clk *clk_get_parent(struct clk *clk)
-{
- if (!clk)
- return 0;
-
- return clk->parent;
-}
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
- if (!clk)
- return 0;
-
- if (clk->set_rate)
- clk->set_rate(clk, rate);
-
- return clk->rate;
-}
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
- if (clk == NULL || !clk->round_rate)
- return 0;
-
- return clk->round_rate(clk, rate);
-}
-
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
- clk->parent = parent;
- if (clk->set_parent)
- return clk->set_parent(clk, parent);
- return 0;
-}
-
-static int clk_ipu_enable(struct clk *clk)
-{
- u32 reg;
-
- reg = __raw_readl(clk->enable_reg);
- reg |= MXC_CCM_CCGR_CG_MASK << clk->enable_shift;
- __raw_writel(reg, clk->enable_reg);
-
-#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
- /* Handshake with IPU when certain clock rates are changed. */
- reg = __raw_readl(&mxc_ccm->ccdr);
- reg &= ~MXC_CCM_CCDR_IPU_HS_MASK;
- __raw_writel(reg, &mxc_ccm->ccdr);
-
- /* Handshake with IPU when LPM is entered as its enabled. */
- reg = __raw_readl(&mxc_ccm->clpcr);
- reg &= ~MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS;
- __raw_writel(reg, &mxc_ccm->clpcr);
-#endif
- return 0;
-}
-
-static void clk_ipu_disable(struct clk *clk)
-{
- u32 reg;
-
- reg = __raw_readl(clk->enable_reg);
- reg &= ~(MXC_CCM_CCGR_CG_MASK << clk->enable_shift);
- __raw_writel(reg, clk->enable_reg);
-
-#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
- /*
- * No handshake with IPU whe dividers are changed
- * as its not enabled.
- */
- reg = __raw_readl(&mxc_ccm->ccdr);
- reg |= MXC_CCM_CCDR_IPU_HS_MASK;
- __raw_writel(reg, &mxc_ccm->ccdr);
-
- /* No handshake with IPU when LPM is entered as its not enabled. */
- reg = __raw_readl(&mxc_ccm->clpcr);
- reg |= MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS;
- __raw_writel(reg, &mxc_ccm->clpcr);
-#endif
-}
-
-
-static struct clk ipu_clk = {
- .name = "ipu_clk",
-#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
- .enable_reg = (u32 *)(CCM_BASE_ADDR +
- offsetof(struct mxc_ccm_reg, CCGR5)),
- .enable_shift = MXC_CCM_CCGR5_IPU_OFFSET,
-#else
- .enable_reg = (u32 *)(CCM_BASE_ADDR +
- offsetof(struct mxc_ccm_reg, CCGR3)),
- .enable_shift = MXC_CCM_CCGR3_IPU1_IPU_DI0_OFFSET,
-#endif
- .enable = clk_ipu_enable,
- .disable = clk_ipu_disable,
- .usecount = 0,
-};
-
-#if !defined CONFIG_SYS_LDB_CLOCK
-#define CONFIG_SYS_LDB_CLOCK 65000000
-#endif
-
-static struct clk ldb_clk = {
- .name = "ldb_clk",
- .rate = CONFIG_SYS_LDB_CLOCK,
- .usecount = 0,
-};
-
-/* Globals */
-struct clk *g_ipu_clk;
-struct clk *g_ldb_clk;
-unsigned char g_ipu_clk_enabled;
-struct clk *g_di_clk[2];
-struct clk *g_pixel_clk[2];
-unsigned char g_dc_di_assignment[10];
-uint32_t g_channel_init_mask;
-uint32_t g_channel_enable_mask;
-
-static int ipu_dc_use_count;
-static int ipu_dp_use_count;
-static int ipu_dmfc_use_count;
-static int ipu_di_use_count[2];
-
-u32 *ipu_cpmem_base;
-u32 *ipu_dc_tmpl_reg;
-
-/* Static functions */
-
-static inline void ipu_ch_param_set_high_priority(uint32_t ch)
-{
- ipu_ch_param_mod_field(ipu_ch_param_addr(ch), 1, 93, 2, 1);
-};
-
-static inline uint32_t channel_2_dma(ipu_channel_t ch, ipu_buffer_t type)
-{
- return ((uint32_t) ch >> (6 * type)) & 0x3F;
-};
-
-/* Either DP BG or DP FG can be graphic window */
-static inline int ipu_is_dp_graphic_chan(uint32_t dma_chan)
-{
- return (dma_chan == 23 || dma_chan == 27);
-}
-
-static inline int ipu_is_dmfc_chan(uint32_t dma_chan)
-{
- return ((dma_chan >= 23) && (dma_chan <= 29));
-}
-
-
-static inline void ipu_ch_param_set_buffer(uint32_t ch, int bufNum,
- dma_addr_t phyaddr)
-{
- ipu_ch_param_mod_field(ipu_ch_param_addr(ch), 1, 29 * bufNum, 29,
- phyaddr / 8);
-};
-
-#define idma_is_valid(ch) (ch != NO_DMA)
-#define idma_mask(ch) (idma_is_valid(ch) ? (1UL << (ch & 0x1F)) : 0)
-#define idma_is_set(reg, dma) (__raw_readl(reg(dma)) & idma_mask(dma))
-
-static void ipu_pixel_clk_recalc(struct clk *clk)
-{
- u32 div;
- u64 final_rate = (unsigned long long)clk->parent->rate * 16;
-
- div = __raw_readl(DI_BS_CLKGEN0(clk->id));
- debug("read BS_CLKGEN0 div:%d, final_rate:%lld, prate:%ld\n",
- div, final_rate, clk->parent->rate);
-
- clk->rate = 0;
- if (div != 0) {
- do_div(final_rate, div);
- clk->rate = final_rate;
- }
-}
-
-static unsigned long ipu_pixel_clk_round_rate(struct clk *clk,
- unsigned long rate)
-{
- u64 div, final_rate;
- u32 remainder;
- u64 parent_rate = (unsigned long long)clk->parent->rate * 16;
-
- /*
- * Calculate divider
- * Fractional part is 4 bits,
- * so simply multiply by 2^4 to get fractional part.
- */
- div = parent_rate;
- remainder = do_div(div, rate);
- /* Round the divider value */
- if (remainder > (rate / 2))
- div++;
- if (div < 0x10) /* Min DI disp clock divider is 1 */
- div = 0x10;
- if (div & ~0xFEF)
- div &= 0xFF8;
- else {
- /* Round up divider if it gets us closer to desired pix clk */
- if ((div & 0xC) == 0xC) {
- div += 0x10;
- div &= ~0xF;
- }
- }
- final_rate = parent_rate;
- do_div(final_rate, div);
-
- return final_rate;
-}
-
-static int ipu_pixel_clk_set_rate(struct clk *clk, unsigned long rate)
-{
- u64 div, parent_rate;
- u32 remainder;
-
- parent_rate = (unsigned long long)clk->parent->rate * 16;
- div = parent_rate;
- remainder = do_div(div, rate);
- /* Round the divider value */
- if (remainder > (rate / 2))
- div++;
-
- /* Round up divider if it gets us closer to desired pix clk */
- if ((div & 0xC) == 0xC) {
- div += 0x10;
- div &= ~0xF;
- }
- if (div > 0x1000)
- debug("Overflow, DI_BS_CLKGEN0 div:0x%x\n", (u32)div);
-
- __raw_writel(div, DI_BS_CLKGEN0(clk->id));
-
- /*
- * Setup pixel clock timing
- * Down time is half of period
- */
- __raw_writel((div / 16) << 16, DI_BS_CLKGEN1(clk->id));
-
- do_div(parent_rate, div);
-
- clk->rate = parent_rate;
-
- return 0;
-}
-
-static int ipu_pixel_clk_enable(struct clk *clk)
-{
- u32 disp_gen = __raw_readl(IPU_DISP_GEN);
- disp_gen |= clk->id ? DI1_COUNTER_RELEASE : DI0_COUNTER_RELEASE;
- __raw_writel(disp_gen, IPU_DISP_GEN);
-
- return 0;
-}
-
-static void ipu_pixel_clk_disable(struct clk *clk)
-{
- u32 disp_gen = __raw_readl(IPU_DISP_GEN);
- disp_gen &= clk->id ? ~DI1_COUNTER_RELEASE : ~DI0_COUNTER_RELEASE;
- __raw_writel(disp_gen, IPU_DISP_GEN);
-
-}
-
-static int ipu_pixel_clk_set_parent(struct clk *clk, struct clk *parent)
-{
- u32 di_gen = __raw_readl(DI_GENERAL(clk->id));
-
- if (parent == g_ipu_clk)
- di_gen &= ~DI_GEN_DI_CLK_EXT;
- else if (!IS_ERR(g_di_clk[clk->id]) && parent == g_ldb_clk)
- di_gen |= DI_GEN_DI_CLK_EXT;
- else
- return -EINVAL;
-
- __raw_writel(di_gen, DI_GENERAL(clk->id));
- ipu_pixel_clk_recalc(clk);
- return 0;
-}
-
-static struct clk pixel_clk[] = {
- {
- .name = "pixel_clk",
- .id = 0,
- .recalc = ipu_pixel_clk_recalc,
- .set_rate = ipu_pixel_clk_set_rate,
- .round_rate = ipu_pixel_clk_round_rate,
- .set_parent = ipu_pixel_clk_set_parent,
- .enable = ipu_pixel_clk_enable,
- .disable = ipu_pixel_clk_disable,
- .usecount = 0,
- },
- {
- .name = "pixel_clk",
- .id = 1,
- .recalc = ipu_pixel_clk_recalc,
- .set_rate = ipu_pixel_clk_set_rate,
- .round_rate = ipu_pixel_clk_round_rate,
- .set_parent = ipu_pixel_clk_set_parent,
- .enable = ipu_pixel_clk_enable,
- .disable = ipu_pixel_clk_disable,
- .usecount = 0,
- },
-};
-
-/*
- * This function resets IPU
- */
-static void ipu_reset(void)
-{
- u32 *reg;
- u32 value;
- int timeout = IPU_SW_RST_TOUT_USEC;
-
- reg = (u32 *)SRC_BASE_ADDR;
- value = __raw_readl(reg);
- value = value | SW_IPU_RST;
- __raw_writel(value, reg);
-
- while (__raw_readl(reg) & SW_IPU_RST) {
- udelay(1);
- if (!(timeout--)) {
- printf("ipu software reset timeout\n");
- break;
- }
- };
-}
-
-/*
- * This function is called by the driver framework to initialize the IPU
- * hardware.
- *
- * @param dev The device structure for the IPU passed in by the
- * driver framework.
- *
- * @return Returns 0 on success or negative error code on error
- */
-int ipu_probe(void)
-{
- unsigned long ipu_base;
-#if defined CONFIG_MX51
- u32 temp;
-
- u32 *reg_hsc_mcd = (u32 *)MIPI_HSC_BASE_ADDR;
- u32 *reg_hsc_mxt_conf = (u32 *)(MIPI_HSC_BASE_ADDR + 0x800);
-
- __raw_writel(0xF00, reg_hsc_mcd);
-
- /* CSI mode reserved*/
- temp = __raw_readl(reg_hsc_mxt_conf);
- __raw_writel(temp | 0x0FF, reg_hsc_mxt_conf);
-
- temp = __raw_readl(reg_hsc_mxt_conf);
- __raw_writel(temp | 0x10000, reg_hsc_mxt_conf);
-#endif
-
- ipu_base = IPU_CTRL_BASE_ADDR;
- ipu_cpmem_base = (u32 *)(ipu_base + IPU_CPMEM_REG_BASE);
- ipu_dc_tmpl_reg = (u32 *)(ipu_base + IPU_DC_TMPL_REG_BASE);
-
- g_pixel_clk[0] = &pixel_clk[0];
- g_pixel_clk[1] = &pixel_clk[1];
-
- g_ipu_clk = &ipu_clk;
-#if defined(CONFIG_MX51)
- g_ipu_clk->rate = IPUV3_CLK_MX51;
-#elif defined(CONFIG_MX53)
- g_ipu_clk->rate = IPUV3_CLK_MX53;
-#else
- g_ipu_clk->rate = is_mx6sdl() ? IPUV3_CLK_MX6DL : IPUV3_CLK_MX6Q;
-#endif
- debug("ipu_clk = %u\n", clk_get_rate(g_ipu_clk));
- g_ldb_clk = &ldb_clk;
- debug("ldb_clk = %u\n", clk_get_rate(g_ldb_clk));
- ipu_reset();
-
- clk_set_parent(g_pixel_clk[0], g_ipu_clk);
- clk_set_parent(g_pixel_clk[1], g_ipu_clk);
- clk_enable(g_ipu_clk);
-
- g_di_clk[0] = NULL;
- g_di_clk[1] = NULL;
-
- __raw_writel(0x807FFFFF, IPU_MEM_RST);
- while (__raw_readl(IPU_MEM_RST) & 0x80000000)
- ;
-
- ipu_init_dc_mappings();
-
- __raw_writel(0, IPU_INT_CTRL(5));
- __raw_writel(0, IPU_INT_CTRL(6));
- __raw_writel(0, IPU_INT_CTRL(9));
- __raw_writel(0, IPU_INT_CTRL(10));
-
- /* DMFC Init */
- ipu_dmfc_init(DMFC_NORMAL, 1);
-
- /* Set sync refresh channels as high priority */
- __raw_writel(0x18800000L, IDMAC_CHA_PRI(0));
-
- /* Set MCU_T to divide MCU access window into 2 */
- __raw_writel(0x00400000L | (IPU_MCU_T_DEFAULT << 18), IPU_DISP_GEN);
-
- clk_disable(g_ipu_clk);
-
- return 0;
-}
-
-void ipu_dump_registers(void)
-{
- debug("IPU_CONF = \t0x%08X\n", __raw_readl(IPU_CONF));
- debug("IDMAC_CONF = \t0x%08X\n", __raw_readl(IDMAC_CONF));
- debug("IDMAC_CHA_EN1 = \t0x%08X\n",
- __raw_readl(IDMAC_CHA_EN(0)));
- debug("IDMAC_CHA_EN2 = \t0x%08X\n",
- __raw_readl(IDMAC_CHA_EN(32)));
- debug("IDMAC_CHA_PRI1 = \t0x%08X\n",
- __raw_readl(IDMAC_CHA_PRI(0)));
- debug("IDMAC_CHA_PRI2 = \t0x%08X\n",
- __raw_readl(IDMAC_CHA_PRI(32)));
- debug("IPU_CHA_DB_MODE_SEL0 = \t0x%08X\n",
- __raw_readl(IPU_CHA_DB_MODE_SEL(0)));
- debug("IPU_CHA_DB_MODE_SEL1 = \t0x%08X\n",
- __raw_readl(IPU_CHA_DB_MODE_SEL(32)));
- debug("DMFC_WR_CHAN = \t0x%08X\n",
- __raw_readl(DMFC_WR_CHAN));
- debug("DMFC_WR_CHAN_DEF = \t0x%08X\n",
- __raw_readl(DMFC_WR_CHAN_DEF));
- debug("DMFC_DP_CHAN = \t0x%08X\n",
- __raw_readl(DMFC_DP_CHAN));
- debug("DMFC_DP_CHAN_DEF = \t0x%08X\n",
- __raw_readl(DMFC_DP_CHAN_DEF));
- debug("DMFC_IC_CTRL = \t0x%08X\n",
- __raw_readl(DMFC_IC_CTRL));
- debug("IPU_FS_PROC_FLOW1 = \t0x%08X\n",
- __raw_readl(IPU_FS_PROC_FLOW1));
- debug("IPU_FS_PROC_FLOW2 = \t0x%08X\n",
- __raw_readl(IPU_FS_PROC_FLOW2));
- debug("IPU_FS_PROC_FLOW3 = \t0x%08X\n",
- __raw_readl(IPU_FS_PROC_FLOW3));
- debug("IPU_FS_DISP_FLOW1 = \t0x%08X\n",
- __raw_readl(IPU_FS_DISP_FLOW1));
-}
-
-/*
- * This function is called to initialize a logical IPU channel.
- *
- * @param channel Input parameter for the logical channel ID to init.
- *
- * @param params Input parameter containing union of channel
- * initialization parameters.
- *
- * @return Returns 0 on success or negative error code on fail
- */
-int32_t ipu_init_channel(ipu_channel_t channel, ipu_channel_params_t *params)
-{
- int ret = 0;
- uint32_t ipu_conf;
-
- debug("init channel = %d\n", IPU_CHAN_ID(channel));
-
- if (g_ipu_clk_enabled == 0) {
- g_ipu_clk_enabled = 1;
- clk_enable(g_ipu_clk);
- }
-
-
- if (g_channel_init_mask & (1L << IPU_CHAN_ID(channel))) {
- printf("Warning: channel already initialized %d\n",
- IPU_CHAN_ID(channel));
- }
-
- ipu_conf = __raw_readl(IPU_CONF);
-
- switch (channel) {
- case MEM_DC_SYNC:
- if (params->mem_dc_sync.di > 1) {
- ret = -EINVAL;
- goto err;
- }
-
- g_dc_di_assignment[1] = params->mem_dc_sync.di;
- ipu_dc_init(1, params->mem_dc_sync.di,
- params->mem_dc_sync.interlaced);
- ipu_di_use_count[params->mem_dc_sync.di]++;
- ipu_dc_use_count++;
- ipu_dmfc_use_count++;
- break;
- case MEM_BG_SYNC:
- if (params->mem_dp_bg_sync.di > 1) {
- ret = -EINVAL;
- goto err;
- }
-
- g_dc_di_assignment[5] = params->mem_dp_bg_sync.di;
- ipu_dp_init(channel, params->mem_dp_bg_sync.in_pixel_fmt,
- params->mem_dp_bg_sync.out_pixel_fmt);
- ipu_dc_init(5, params->mem_dp_bg_sync.di,
- params->mem_dp_bg_sync.interlaced);
- ipu_di_use_count[params->mem_dp_bg_sync.di]++;
- ipu_dc_use_count++;
- ipu_dp_use_count++;
- ipu_dmfc_use_count++;
- break;
- case MEM_FG_SYNC:
- ipu_dp_init(channel, params->mem_dp_fg_sync.in_pixel_fmt,
- params->mem_dp_fg_sync.out_pixel_fmt);
-
- ipu_dc_use_count++;
- ipu_dp_use_count++;
- ipu_dmfc_use_count++;
- break;
- default:
- printf("Missing channel initialization\n");
- break;
- }
-
- /* Enable IPU sub module */
- g_channel_init_mask |= 1L << IPU_CHAN_ID(channel);
- if (ipu_dc_use_count == 1)
- ipu_conf |= IPU_CONF_DC_EN;
- if (ipu_dp_use_count == 1)
- ipu_conf |= IPU_CONF_DP_EN;
- if (ipu_dmfc_use_count == 1)
- ipu_conf |= IPU_CONF_DMFC_EN;
- if (ipu_di_use_count[0] == 1) {
- ipu_conf |= IPU_CONF_DI0_EN;
- }
- if (ipu_di_use_count[1] == 1) {
- ipu_conf |= IPU_CONF_DI1_EN;
- }
-
- __raw_writel(ipu_conf, IPU_CONF);
-
-err:
- return ret;
-}
-
-/*
- * This function is called to uninitialize a logical IPU channel.
- *
- * @param channel Input parameter for the logical channel ID to uninit.
- */
-void ipu_uninit_channel(ipu_channel_t channel)
-{
- uint32_t reg;
- uint32_t in_dma, out_dma = 0;
- uint32_t ipu_conf;
-
- if ((g_channel_init_mask & (1L << IPU_CHAN_ID(channel))) == 0) {
- debug("Channel already uninitialized %d\n",
- IPU_CHAN_ID(channel));
- return;
- }
-
- /*
- * Make sure channel is disabled
- * Get input and output dma channels
- */
- in_dma = channel_2_dma(channel, IPU_OUTPUT_BUFFER);
- out_dma = channel_2_dma(channel, IPU_VIDEO_IN_BUFFER);
-
- if (idma_is_set(IDMAC_CHA_EN, in_dma) ||
- idma_is_set(IDMAC_CHA_EN, out_dma)) {
- printf(
- "Channel %d is not disabled, disable first\n",
- IPU_CHAN_ID(channel));
- return;
- }
-
- ipu_conf = __raw_readl(IPU_CONF);
-
- /* Reset the double buffer */
- reg = __raw_readl(IPU_CHA_DB_MODE_SEL(in_dma));
- __raw_writel(reg & ~idma_mask(in_dma), IPU_CHA_DB_MODE_SEL(in_dma));
- reg = __raw_readl(IPU_CHA_DB_MODE_SEL(out_dma));
- __raw_writel(reg & ~idma_mask(out_dma), IPU_CHA_DB_MODE_SEL(out_dma));
-
- switch (channel) {
- case MEM_DC_SYNC:
- ipu_dc_uninit(1);
- ipu_di_use_count[g_dc_di_assignment[1]]--;
- ipu_dc_use_count--;
- ipu_dmfc_use_count--;
- break;
- case MEM_BG_SYNC:
- ipu_dp_uninit(channel);
- ipu_dc_uninit(5);
- ipu_di_use_count[g_dc_di_assignment[5]]--;
- ipu_dc_use_count--;
- ipu_dp_use_count--;
- ipu_dmfc_use_count--;
- break;
- case MEM_FG_SYNC:
- ipu_dp_uninit(channel);
- ipu_dc_use_count--;
- ipu_dp_use_count--;
- ipu_dmfc_use_count--;
- break;
- default:
- break;
- }
-
- g_channel_init_mask &= ~(1L << IPU_CHAN_ID(channel));
-
- if (ipu_dc_use_count == 0)
- ipu_conf &= ~IPU_CONF_DC_EN;
- if (ipu_dp_use_count == 0)
- ipu_conf &= ~IPU_CONF_DP_EN;
- if (ipu_dmfc_use_count == 0)
- ipu_conf &= ~IPU_CONF_DMFC_EN;
- if (ipu_di_use_count[0] == 0) {
- ipu_conf &= ~IPU_CONF_DI0_EN;
- }
- if (ipu_di_use_count[1] == 0) {
- ipu_conf &= ~IPU_CONF_DI1_EN;
- }
-
- __raw_writel(ipu_conf, IPU_CONF);
-
- if (ipu_conf == 0) {
- clk_disable(g_ipu_clk);
- g_ipu_clk_enabled = 0;
- }
-
-}
-
-static inline void ipu_ch_param_dump(int ch)
-{
-#ifdef DEBUG
- struct ipu_ch_param *p = ipu_ch_param_addr(ch);
- debug("ch %d word 0 - %08X %08X %08X %08X %08X\n", ch,
- p->word[0].data[0], p->word[0].data[1], p->word[0].data[2],
- p->word[0].data[3], p->word[0].data[4]);
- debug("ch %d word 1 - %08X %08X %08X %08X %08X\n", ch,
- p->word[1].data[0], p->word[1].data[1], p->word[1].data[2],
- p->word[1].data[3], p->word[1].data[4]);
- debug("PFS 0x%x, ",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 85, 4));
- debug("BPP 0x%x, ",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 0, 107, 3));
- debug("NPB 0x%x\n",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 78, 7));
-
- debug("FW %d, ",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 0, 125, 13));
- debug("FH %d, ",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 0, 138, 12));
- debug("Stride %d\n",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 102, 14));
-
- debug("Width0 %d+1, ",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 116, 3));
- debug("Width1 %d+1, ",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 119, 3));
- debug("Width2 %d+1, ",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 122, 3));
- debug("Width3 %d+1, ",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 125, 3));
- debug("Offset0 %d, ",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 128, 5));
- debug("Offset1 %d, ",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 133, 5));
- debug("Offset2 %d, ",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 138, 5));
- debug("Offset3 %d\n",
- ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 143, 5));
-#endif
-}
-
-static inline void ipu_ch_params_set_packing(struct ipu_ch_param *p,
- int red_width, int red_offset,
- int green_width, int green_offset,
- int blue_width, int blue_offset,
- int alpha_width, int alpha_offset)
-{
- /* Setup red width and offset */
- ipu_ch_param_set_field(p, 1, 116, 3, red_width - 1);
- ipu_ch_param_set_field(p, 1, 128, 5, red_offset);
- /* Setup green width and offset */
- ipu_ch_param_set_field(p, 1, 119, 3, green_width - 1);
- ipu_ch_param_set_field(p, 1, 133, 5, green_offset);
- /* Setup blue width and offset */
- ipu_ch_param_set_field(p, 1, 122, 3, blue_width - 1);
- ipu_ch_param_set_field(p, 1, 138, 5, blue_offset);
- /* Setup alpha width and offset */
- ipu_ch_param_set_field(p, 1, 125, 3, alpha_width - 1);
- ipu_ch_param_set_field(p, 1, 143, 5, alpha_offset);
-}
-
-static void ipu_ch_param_init(int ch,
- uint32_t pixel_fmt, uint32_t width,
- uint32_t height, uint32_t stride,
- uint32_t u, uint32_t v,
- uint32_t uv_stride, dma_addr_t addr0,
- dma_addr_t addr1)
-{
- uint32_t u_offset = 0;
- uint32_t v_offset = 0;
- struct ipu_ch_param params;
-
- memset(¶ms, 0, sizeof(params));
-
- ipu_ch_param_set_field(¶ms, 0, 125, 13, width - 1);
-
- if ((ch == 8) || (ch == 9) || (ch == 10)) {
- ipu_ch_param_set_field(¶ms, 0, 138, 12, (height / 2) - 1);
- ipu_ch_param_set_field(¶ms, 1, 102, 14, (stride * 2) - 1);
- } else {
- ipu_ch_param_set_field(¶ms, 0, 138, 12, height - 1);
- ipu_ch_param_set_field(¶ms, 1, 102, 14, stride - 1);
- }
-
- ipu_ch_param_set_field(¶ms, 1, 0, 29, addr0 >> 3);
- ipu_ch_param_set_field(¶ms, 1, 29, 29, addr1 >> 3);
-
- switch (pixel_fmt) {
- case IPU_PIX_FMT_GENERIC:
- /*Represents 8-bit Generic data */
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 5); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 6); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 63); /* burst size */
-
- break;
- case IPU_PIX_FMT_GENERIC_32:
- /*Represents 32-bit Generic data */
- break;
- case IPU_PIX_FMT_RGB565:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 3); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 15); /* burst size */
-
- ipu_ch_params_set_packing(¶ms, 5, 0, 6, 5, 5, 11, 8, 16);
- break;
- case IPU_PIX_FMT_BGR24:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 1); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 19); /* burst size */
-
- ipu_ch_params_set_packing(¶ms, 8, 0, 8, 8, 8, 16, 8, 24);
- break;
- case IPU_PIX_FMT_RGB24:
- case IPU_PIX_FMT_YUV444:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 1); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 19); /* burst size */
-
- ipu_ch_params_set_packing(¶ms, 8, 16, 8, 8, 8, 0, 8, 24);
- break;
- case IPU_PIX_FMT_BGRA32:
- case IPU_PIX_FMT_BGR32:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 0); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 15); /* burst size */
-
- ipu_ch_params_set_packing(¶ms, 8, 8, 8, 16, 8, 24, 8, 0);
- break;
- case IPU_PIX_FMT_RGBA32:
- case IPU_PIX_FMT_RGB32:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 0); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 15); /* burst size */
-
- ipu_ch_params_set_packing(¶ms, 8, 24, 8, 16, 8, 8, 8, 0);
- break;
- case IPU_PIX_FMT_ABGR32:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 0); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 7); /* pix format */
-
- ipu_ch_params_set_packing(¶ms, 8, 0, 8, 8, 8, 16, 8, 24);
- break;
- case IPU_PIX_FMT_UYVY:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 3); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 0xA); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 15); /* burst size */
- break;
- case IPU_PIX_FMT_YUYV:
- ipu_ch_param_set_field(¶ms, 0, 107, 3, 3); /* bits/pixel */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 0x8); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 31); /* burst size */
- break;
- case IPU_PIX_FMT_YUV420P2:
- case IPU_PIX_FMT_YUV420P:
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 2); /* pix format */
-
- if (uv_stride < stride / 2)
- uv_stride = stride / 2;
-
- u_offset = stride * height;
- v_offset = u_offset + (uv_stride * height / 2);
- /* burst size */
- if ((ch == 8) || (ch == 9) || (ch == 10)) {
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 15);
- uv_stride = uv_stride*2;
- } else {
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 31);
- }
- break;
- case IPU_PIX_FMT_YVU422P:
- /* BPP & pixel format */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 1); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 31); /* burst size */
-
- if (uv_stride < stride / 2)
- uv_stride = stride / 2;
-
- v_offset = (v == 0) ? stride * height : v;
- u_offset = (u == 0) ? v_offset + v_offset / 2 : u;
- break;
- case IPU_PIX_FMT_YUV422P:
- /* BPP & pixel format */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 1); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 31); /* burst size */
-
- if (uv_stride < stride / 2)
- uv_stride = stride / 2;
-
- u_offset = (u == 0) ? stride * height : u;
- v_offset = (v == 0) ? u_offset + u_offset / 2 : v;
- break;
- case IPU_PIX_FMT_NV12:
- /* BPP & pixel format */
- ipu_ch_param_set_field(¶ms, 1, 85, 4, 4); /* pix format */
- ipu_ch_param_set_field(¶ms, 1, 78, 7, 31); /* burst size */
- uv_stride = stride;
- u_offset = (u == 0) ? stride * height : u;
- break;
- default:
- puts("mxc ipu: unimplemented pixel format\n");
- break;
- }
-
-
- if (uv_stride)
- ipu_ch_param_set_field(¶ms, 1, 128, 14, uv_stride - 1);
-
- /* Get the uv offset from user when need cropping */
- if (u || v) {
- u_offset = u;
- v_offset = v;
- }
-
- /* UBO and VBO are 22-bit */
- if (u_offset/8 > 0x3fffff)
- puts("The value of U offset exceeds IPU limitation\n");
- if (v_offset/8 > 0x3fffff)
- puts("The value of V offset exceeds IPU limitation\n");
-
- ipu_ch_param_set_field(¶ms, 0, 46, 22, u_offset / 8);
- ipu_ch_param_set_field(¶ms, 0, 68, 22, v_offset / 8);
-
- debug("initializing idma ch %d @ %p\n", ch, ipu_ch_param_addr(ch));
- memcpy(ipu_ch_param_addr(ch), ¶ms, sizeof(params));
-};
-
-/*
- * This function is called to initialize a buffer for logical IPU channel.
- *
- * @param channel Input parameter for the logical channel ID.
- *
- * @param type Input parameter which buffer to initialize.
- *
- * @param pixel_fmt Input parameter for pixel format of buffer.
- * Pixel format is a FOURCC ASCII code.
- *
- * @param width Input parameter for width of buffer in pixels.
- *
- * @param height Input parameter for height of buffer in pixels.
- *
- * @param stride Input parameter for stride length of buffer
- * in pixels.
- *
- * @param phyaddr_0 Input parameter buffer 0 physical address.
- *
- * @param phyaddr_1 Input parameter buffer 1 physical address.
- * Setting this to a value other than NULL enables
- * double buffering mode.
- *
- * @param u private u offset for additional cropping,
- * zero if not used.
- *
- * @param v private v offset for additional cropping,
- * zero if not used.
- *
- * @return Returns 0 on success or negative error code on fail
- */
-int32_t ipu_init_channel_buffer(ipu_channel_t channel, ipu_buffer_t type,
- uint32_t pixel_fmt,
- uint16_t width, uint16_t height,
- uint32_t stride,
- dma_addr_t phyaddr_0, dma_addr_t phyaddr_1,
- uint32_t u, uint32_t v)
-{
- uint32_t reg;
- uint32_t dma_chan;
-
- dma_chan = channel_2_dma(channel, type);
- if (!idma_is_valid(dma_chan))
- return -EINVAL;
-
- if (stride < width * bytes_per_pixel(pixel_fmt))
- stride = width * bytes_per_pixel(pixel_fmt);
-
- if (stride % 4) {
- printf(
- "Stride not 32-bit aligned, stride = %d\n", stride);
- return -EINVAL;
- }
- /* Build parameter memory data for DMA channel */
- ipu_ch_param_init(dma_chan, pixel_fmt, width, height, stride, u, v, 0,
- phyaddr_0, phyaddr_1);
-
- if (ipu_is_dmfc_chan(dma_chan)) {
- ipu_dmfc_set_wait4eot(dma_chan, width);
- }
-
- if (idma_is_set(IDMAC_CHA_PRI, dma_chan))
- ipu_ch_param_set_high_priority(dma_chan);
-
- ipu_ch_param_dump(dma_chan);
-
- reg = __raw_readl(IPU_CHA_DB_MODE_SEL(dma_chan));
- if (phyaddr_1)
- reg |= idma_mask(dma_chan);
- else
- reg &= ~idma_mask(dma_chan);
- __raw_writel(reg, IPU_CHA_DB_MODE_SEL(dma_chan));
-
- /* Reset to buffer 0 */
- __raw_writel(idma_mask(dma_chan), IPU_CHA_CUR_BUF(dma_chan));
-
- return 0;
-}
-
-/*
- * This function enables a logical channel.
- *
- * @param channel Input parameter for the logical channel ID.
- *
- * @return This function returns 0 on success or negative error code on
- * fail.
- */
-int32_t ipu_enable_channel(ipu_channel_t channel)
-{
- uint32_t reg;
- uint32_t in_dma;
- uint32_t out_dma;
-
- if (g_channel_enable_mask & (1L << IPU_CHAN_ID(channel))) {
- printf("Warning: channel already enabled %d\n",
- IPU_CHAN_ID(channel));
- }
-
- /* Get input and output dma channels */
- out_dma = channel_2_dma(channel, IPU_OUTPUT_BUFFER);
- in_dma = channel_2_dma(channel, IPU_VIDEO_IN_BUFFER);
-
- if (idma_is_valid(in_dma)) {
- reg = __raw_readl(IDMAC_CHA_EN(in_dma));
- __raw_writel(reg | idma_mask(in_dma), IDMAC_CHA_EN(in_dma));
- }
- if (idma_is_valid(out_dma)) {
- reg = __raw_readl(IDMAC_CHA_EN(out_dma));
- __raw_writel(reg | idma_mask(out_dma), IDMAC_CHA_EN(out_dma));
- }
-
- if ((channel == MEM_DC_SYNC) || (channel == MEM_BG_SYNC) ||
- (channel == MEM_FG_SYNC))
- ipu_dp_dc_enable(channel);
-
- g_channel_enable_mask |= 1L << IPU_CHAN_ID(channel);
-
- return 0;
-}
-
-/*
- * This function clear buffer ready for a logical channel.
- *
- * @param channel Input parameter for the logical channel ID.
- *
- * @param type Input parameter which buffer to clear.
- *
- * @param bufNum Input parameter for which buffer number clear
- * ready state.
- *
- */
-void ipu_clear_buffer_ready(ipu_channel_t channel, ipu_buffer_t type,
- uint32_t bufNum)
-{
- uint32_t dma_ch = channel_2_dma(channel, type);
-
- if (!idma_is_valid(dma_ch))
- return;
-
- __raw_writel(0xF0000000, IPU_GPR); /* write one to clear */
- if (bufNum == 0) {
- if (idma_is_set(IPU_CHA_BUF0_RDY, dma_ch)) {
- __raw_writel(idma_mask(dma_ch),
- IPU_CHA_BUF0_RDY(dma_ch));
- }
- } else {
- if (idma_is_set(IPU_CHA_BUF1_RDY, dma_ch)) {
- __raw_writel(idma_mask(dma_ch),
- IPU_CHA_BUF1_RDY(dma_ch));
- }
- }
- __raw_writel(0x0, IPU_GPR); /* write one to set */
-}
-
-/*
- * This function disables a logical channel.
- *
- * @param channel Input parameter for the logical channel ID.
- *
- * @param wait_for_stop Flag to set whether to wait for channel end
- * of frame or return immediately.
- *
- * @return This function returns 0 on success or negative error code on
- * fail.
- */
-int32_t ipu_disable_channel(ipu_channel_t channel)
-{
- uint32_t reg;
- uint32_t in_dma;
- uint32_t out_dma;
-
- if ((g_channel_enable_mask & (1L << IPU_CHAN_ID(channel))) == 0) {
- debug("Channel already disabled %d\n",
- IPU_CHAN_ID(channel));
- return 0;
- }
-
- /* Get input and output dma channels */
- out_dma = channel_2_dma(channel, IPU_OUTPUT_BUFFER);
- in_dma = channel_2_dma(channel, IPU_VIDEO_IN_BUFFER);
-
- if ((idma_is_valid(in_dma) &&
- !idma_is_set(IDMAC_CHA_EN, in_dma))
- && (idma_is_valid(out_dma) &&
- !idma_is_set(IDMAC_CHA_EN, out_dma)))
- return -EINVAL;
-
- if ((channel == MEM_BG_SYNC) || (channel == MEM_FG_SYNC) ||
- (channel == MEM_DC_SYNC)) {
- ipu_dp_dc_disable(channel, 0);
- }
-
- /* Disable DMA channel(s) */
- if (idma_is_valid(in_dma)) {
- reg = __raw_readl(IDMAC_CHA_EN(in_dma));
- __raw_writel(reg & ~idma_mask(in_dma), IDMAC_CHA_EN(in_dma));
- __raw_writel(idma_mask(in_dma), IPU_CHA_CUR_BUF(in_dma));
- }
- if (idma_is_valid(out_dma)) {
- reg = __raw_readl(IDMAC_CHA_EN(out_dma));
- __raw_writel(reg & ~idma_mask(out_dma), IDMAC_CHA_EN(out_dma));
- __raw_writel(idma_mask(out_dma), IPU_CHA_CUR_BUF(out_dma));
- }
-
- g_channel_enable_mask &= ~(1L << IPU_CHAN_ID(channel));
-
- /* Set channel buffers NOT to be ready */
- if (idma_is_valid(in_dma)) {
- ipu_clear_buffer_ready(channel, IPU_VIDEO_IN_BUFFER, 0);
- ipu_clear_buffer_ready(channel, IPU_VIDEO_IN_BUFFER, 1);
- }
- if (idma_is_valid(out_dma)) {
- ipu_clear_buffer_ready(channel, IPU_OUTPUT_BUFFER, 0);
- ipu_clear_buffer_ready(channel, IPU_OUTPUT_BUFFER, 1);
- }
-
- return 0;
-}
-
-uint32_t bytes_per_pixel(uint32_t fmt)
-{
- switch (fmt) {
- case IPU_PIX_FMT_GENERIC: /*generic data */
- case IPU_PIX_FMT_RGB332:
- case IPU_PIX_FMT_YUV420P:
- case IPU_PIX_FMT_YUV422P:
- return 1;
- break;
- case IPU_PIX_FMT_RGB565:
- case IPU_PIX_FMT_YUYV:
- case IPU_PIX_FMT_UYVY:
- return 2;
- break;
- case IPU_PIX_FMT_BGR24:
- case IPU_PIX_FMT_RGB24:
- return 3;
- break;
- case IPU_PIX_FMT_GENERIC_32: /*generic data */
- case IPU_PIX_FMT_BGR32:
- case IPU_PIX_FMT_BGRA32:
- case IPU_PIX_FMT_RGB32:
- case IPU_PIX_FMT_RGBA32:
- case IPU_PIX_FMT_ABGR32:
- return 4;
- break;
- default:
- return 1;
- break;
- }
- return 0;
-}
-
-ipu_color_space_t format_to_colorspace(uint32_t fmt)
-{
- switch (fmt) {
- case IPU_PIX_FMT_RGB666:
- case IPU_PIX_FMT_RGB565:
- case IPU_PIX_FMT_BGR24:
- case IPU_PIX_FMT_RGB24:
- case IPU_PIX_FMT_BGR32:
- case IPU_PIX_FMT_BGRA32:
- case IPU_PIX_FMT_RGB32:
- case IPU_PIX_FMT_RGBA32:
- case IPU_PIX_FMT_ABGR32:
- case IPU_PIX_FMT_LVDS666:
- case IPU_PIX_FMT_LVDS888:
- return RGB;
- break;
-
- default:
- return YCbCr;
- break;
- }
- return RGB;
-}
-
-/* should be removed when clk framework is availiable */
-int ipu_set_ldb_clock(int rate)
-{
- ldb_clk.rate = rate;
-
- return 0;
-}
-
-bool ipu_clk_enabled(void)
-{
- return g_ipu_clk_enabled;
-}
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Porting to u-boot:
- *
- * (C) Copyright 2010
- * Stefano Babic, DENX Software Engineering, sbabic@denx.de
- *
- * Linux IPU driver for MX51:
- *
- * (C) Copyright 2005-2010 Freescale Semiconductor, Inc.
- */
-
-/* #define DEBUG */
-
-#include <common.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/sys_proto.h>
-#include "ipu.h"
-#include "ipu_regs.h"
-
-enum csc_type_t {
- RGB2YUV = 0,
- YUV2RGB,
- RGB2RGB,
- YUV2YUV,
- CSC_NONE,
- CSC_NUM
-};
-
-struct dp_csc_param_t {
- int mode;
- const int (*coeff)[5][3];
-};
-
-#define SYNC_WAVE 0
-
-/* DC display ID assignments */
-#define DC_DISP_ID_SYNC(di) (di)
-#define DC_DISP_ID_SERIAL 2
-#define DC_DISP_ID_ASYNC 3
-
-int dmfc_type_setup;
-static int dmfc_size_28, dmfc_size_29, dmfc_size_24, dmfc_size_27, dmfc_size_23;
-int g_di1_tvout;
-
-extern struct clk *g_ipu_clk;
-extern struct clk *g_ldb_clk;
-extern struct clk *g_di_clk[2];
-extern struct clk *g_pixel_clk[2];
-
-extern unsigned char g_ipu_clk_enabled;
-extern unsigned char g_dc_di_assignment[];
-
-void ipu_dmfc_init(int dmfc_type, int first)
-{
- u32 dmfc_wr_chan, dmfc_dp_chan;
-
- if (first) {
- if (dmfc_type_setup > dmfc_type)
- dmfc_type = dmfc_type_setup;
- else
- dmfc_type_setup = dmfc_type;
-
- /* disable DMFC-IC channel*/
- __raw_writel(0x2, DMFC_IC_CTRL);
- } else if (dmfc_type_setup >= DMFC_HIGH_RESOLUTION_DC) {
- printf("DMFC high resolution has set, will not change\n");
- return;
- } else
- dmfc_type_setup = dmfc_type;
-
- if (dmfc_type == DMFC_HIGH_RESOLUTION_DC) {
- /* 1 - segment 0~3;
- * 5B - segement 4, 5;
- * 5F - segement 6, 7;
- * 1C, 2C and 6B, 6F unused;
- */
- debug("IPU DMFC DC HIGH RES: 1(0~3), 5B(4,5), 5F(6,7)\n");
- dmfc_wr_chan = 0x00000088;
- dmfc_dp_chan = 0x00009694;
- dmfc_size_28 = 256 * 4;
- dmfc_size_29 = 0;
- dmfc_size_24 = 0;
- dmfc_size_27 = 128 * 4;
- dmfc_size_23 = 128 * 4;
- } else if (dmfc_type == DMFC_HIGH_RESOLUTION_DP) {
- /* 1 - segment 0, 1;
- * 5B - segement 2~5;
- * 5F - segement 6,7;
- * 1C, 2C and 6B, 6F unused;
- */
- debug("IPU DMFC DP HIGH RES: 1(0,1), 5B(2~5), 5F(6,7)\n");
- dmfc_wr_chan = 0x00000090;
- dmfc_dp_chan = 0x0000968a;
- dmfc_size_28 = 128 * 4;
- dmfc_size_29 = 0;
- dmfc_size_24 = 0;
- dmfc_size_27 = 128 * 4;
- dmfc_size_23 = 256 * 4;
- } else if (dmfc_type == DMFC_HIGH_RESOLUTION_ONLY_DP) {
- /* 5B - segement 0~3;
- * 5F - segement 4~7;
- * 1, 1C, 2C and 6B, 6F unused;
- */
- debug("IPU DMFC ONLY-DP HIGH RES: 5B(0~3), 5F(4~7)\n");
- dmfc_wr_chan = 0x00000000;
- dmfc_dp_chan = 0x00008c88;
- dmfc_size_28 = 0;
- dmfc_size_29 = 0;
- dmfc_size_24 = 0;
- dmfc_size_27 = 256 * 4;
- dmfc_size_23 = 256 * 4;
- } else {
- /* 1 - segment 0, 1;
- * 5B - segement 4, 5;
- * 5F - segement 6, 7;
- * 1C, 2C and 6B, 6F unused;
- */
- debug("IPU DMFC NORMAL mode: 1(0~1), 5B(4,5), 5F(6,7)\n");
- dmfc_wr_chan = 0x00000090;
- dmfc_dp_chan = 0x00009694;
- dmfc_size_28 = 128 * 4;
- dmfc_size_29 = 0;
- dmfc_size_24 = 0;
- dmfc_size_27 = 128 * 4;
- dmfc_size_23 = 128 * 4;
- }
- __raw_writel(dmfc_wr_chan, DMFC_WR_CHAN);
- __raw_writel(0x202020F6, DMFC_WR_CHAN_DEF);
- __raw_writel(dmfc_dp_chan, DMFC_DP_CHAN);
- /* Enable chan 5 watermark set at 5 bursts and clear at 7 bursts */
- __raw_writel(0x2020F6F6, DMFC_DP_CHAN_DEF);
-}
-
-void ipu_dmfc_set_wait4eot(int dma_chan, int width)
-{
- u32 dmfc_gen1 = __raw_readl(DMFC_GENERAL1);
-
- if (width >= HIGH_RESOLUTION_WIDTH) {
- if (dma_chan == 23)
- ipu_dmfc_init(DMFC_HIGH_RESOLUTION_DP, 0);
- else if (dma_chan == 28)
- ipu_dmfc_init(DMFC_HIGH_RESOLUTION_DC, 0);
- }
-
- if (dma_chan == 23) { /*5B*/
- if (dmfc_size_23 / width > 3)
- dmfc_gen1 |= 1UL << 20;
- else
- dmfc_gen1 &= ~(1UL << 20);
- } else if (dma_chan == 24) { /*6B*/
- if (dmfc_size_24 / width > 1)
- dmfc_gen1 |= 1UL << 22;
- else
- dmfc_gen1 &= ~(1UL << 22);
- } else if (dma_chan == 27) { /*5F*/
- if (dmfc_size_27 / width > 2)
- dmfc_gen1 |= 1UL << 21;
- else
- dmfc_gen1 &= ~(1UL << 21);
- } else if (dma_chan == 28) { /*1*/
- if (dmfc_size_28 / width > 2)
- dmfc_gen1 |= 1UL << 16;
- else
- dmfc_gen1 &= ~(1UL << 16);
- } else if (dma_chan == 29) { /*6F*/
- if (dmfc_size_29 / width > 1)
- dmfc_gen1 |= 1UL << 23;
- else
- dmfc_gen1 &= ~(1UL << 23);
- }
-
- __raw_writel(dmfc_gen1, DMFC_GENERAL1);
-}
-
-static void ipu_di_data_wave_config(int di,
- int wave_gen,
- int access_size, int component_size)
-{
- u32 reg;
- reg = (access_size << DI_DW_GEN_ACCESS_SIZE_OFFSET) |
- (component_size << DI_DW_GEN_COMPONENT_SIZE_OFFSET);
- __raw_writel(reg, DI_DW_GEN(di, wave_gen));
-}
-
-static void ipu_di_data_pin_config(int di, int wave_gen, int di_pin, int set,
- int up, int down)
-{
- u32 reg;
-
- reg = __raw_readl(DI_DW_GEN(di, wave_gen));
- reg &= ~(0x3 << (di_pin * 2));
- reg |= set << (di_pin * 2);
- __raw_writel(reg, DI_DW_GEN(di, wave_gen));
-
- __raw_writel((down << 16) | up, DI_DW_SET(di, wave_gen, set));
-}
-
-static void ipu_di_sync_config(int di, int wave_gen,
- int run_count, int run_src,
- int offset_count, int offset_src,
- int repeat_count, int cnt_clr_src,
- int cnt_polarity_gen_en,
- int cnt_polarity_clr_src,
- int cnt_polarity_trigger_src,
- int cnt_up, int cnt_down)
-{
- u32 reg;
-
- if ((run_count >= 0x1000) || (offset_count >= 0x1000) ||
- (repeat_count >= 0x1000) ||
- (cnt_up >= 0x400) || (cnt_down >= 0x400)) {
- printf("DI%d counters out of range.\n", di);
- return;
- }
-
- reg = (run_count << 19) | (++run_src << 16) |
- (offset_count << 3) | ++offset_src;
- __raw_writel(reg, DI_SW_GEN0(di, wave_gen));
- reg = (cnt_polarity_gen_en << 29) | (++cnt_clr_src << 25) |
- (++cnt_polarity_trigger_src << 12) | (++cnt_polarity_clr_src << 9);
- reg |= (cnt_down << 16) | cnt_up;
- if (repeat_count == 0) {
- /* Enable auto reload */
- reg |= 0x10000000;
- }
- __raw_writel(reg, DI_SW_GEN1(di, wave_gen));
- reg = __raw_readl(DI_STP_REP(di, wave_gen));
- reg &= ~(0xFFFF << (16 * ((wave_gen - 1) & 0x1)));
- reg |= repeat_count << (16 * ((wave_gen - 1) & 0x1));
- __raw_writel(reg, DI_STP_REP(di, wave_gen));
-}
-
-static void ipu_dc_map_config(int map, int byte_num, int offset, int mask)
-{
- int ptr = map * 3 + byte_num;
- u32 reg;
-
- reg = __raw_readl(DC_MAP_CONF_VAL(ptr));
- reg &= ~(0xFFFF << (16 * (ptr & 0x1)));
- reg |= ((offset << 8) | mask) << (16 * (ptr & 0x1));
- __raw_writel(reg, DC_MAP_CONF_VAL(ptr));
-
- reg = __raw_readl(DC_MAP_CONF_PTR(map));
- reg &= ~(0x1F << ((16 * (map & 0x1)) + (5 * byte_num)));
- reg |= ptr << ((16 * (map & 0x1)) + (5 * byte_num));
- __raw_writel(reg, DC_MAP_CONF_PTR(map));
-}
-
-static void ipu_dc_map_clear(int map)
-{
- u32 reg = __raw_readl(DC_MAP_CONF_PTR(map));
- __raw_writel(reg & ~(0xFFFF << (16 * (map & 0x1))),
- DC_MAP_CONF_PTR(map));
-}
-
-static void ipu_dc_write_tmpl(int word, u32 opcode, u32 operand, int map,
- int wave, int glue, int sync)
-{
- u32 reg;
- int stop = 1;
-
- reg = sync;
- reg |= (glue << 4);
- reg |= (++wave << 11);
- reg |= (++map << 15);
- reg |= (operand << 20) & 0xFFF00000;
- __raw_writel(reg, ipu_dc_tmpl_reg + word * 2);
-
- reg = (operand >> 12);
- reg |= opcode << 4;
- reg |= (stop << 9);
- __raw_writel(reg, ipu_dc_tmpl_reg + word * 2 + 1);
-}
-
-static void ipu_dc_link_event(int chan, int event, int addr, int priority)
-{
- u32 reg;
-
- reg = __raw_readl(DC_RL_CH(chan, event));
- reg &= ~(0xFFFF << (16 * (event & 0x1)));
- reg |= ((addr << 8) | priority) << (16 * (event & 0x1));
- __raw_writel(reg, DC_RL_CH(chan, event));
-}
-
-/* Y = R * 1.200 + G * 2.343 + B * .453 + 0.250;
- * U = R * -.672 + G * -1.328 + B * 2.000 + 512.250.;
- * V = R * 2.000 + G * -1.672 + B * -.328 + 512.250.;
- */
-static const int rgb2ycbcr_coeff[5][3] = {
- {0x4D, 0x96, 0x1D},
- {0x3D5, 0x3AB, 0x80},
- {0x80, 0x395, 0x3EB},
- {0x0000, 0x0200, 0x0200}, /* B0, B1, B2 */
- {0x2, 0x2, 0x2}, /* S0, S1, S2 */
-};
-
-/* R = (1.164 * (Y - 16)) + (1.596 * (Cr - 128));
- * G = (1.164 * (Y - 16)) - (0.392 * (Cb - 128)) - (0.813 * (Cr - 128));
- * B = (1.164 * (Y - 16)) + (2.017 * (Cb - 128);
- */
-static const int ycbcr2rgb_coeff[5][3] = {
- {0x095, 0x000, 0x0CC},
- {0x095, 0x3CE, 0x398},
- {0x095, 0x0FF, 0x000},
- {0x3E42, 0x010A, 0x3DD6}, /*B0,B1,B2 */
- {0x1, 0x1, 0x1}, /*S0,S1,S2 */
-};
-
-#define mask_a(a) ((u32)(a) & 0x3FF)
-#define mask_b(b) ((u32)(b) & 0x3FFF)
-
-/* Pls keep S0, S1 and S2 as 0x2 by using this convertion */
-static int rgb_to_yuv(int n, int red, int green, int blue)
-{
- int c;
- c = red * rgb2ycbcr_coeff[n][0];
- c += green * rgb2ycbcr_coeff[n][1];
- c += blue * rgb2ycbcr_coeff[n][2];
- c /= 16;
- c += rgb2ycbcr_coeff[3][n] * 4;
- c += 8;
- c /= 16;
- if (c < 0)
- c = 0;
- if (c > 255)
- c = 255;
- return c;
-}
-
-/*
- * Row is for BG: RGB2YUV YUV2RGB RGB2RGB YUV2YUV CSC_NONE
- * Column is for FG: RGB2YUV YUV2RGB RGB2RGB YUV2YUV CSC_NONE
- */
-static struct dp_csc_param_t dp_csc_array[CSC_NUM][CSC_NUM] = {
- {
- {DP_COM_CONF_CSC_DEF_BOTH, &rgb2ycbcr_coeff},
- {0, 0},
- {0, 0},
- {DP_COM_CONF_CSC_DEF_BG, &rgb2ycbcr_coeff},
- {DP_COM_CONF_CSC_DEF_BG, &rgb2ycbcr_coeff}
- },
- {
- {0, 0},
- {DP_COM_CONF_CSC_DEF_BOTH, &ycbcr2rgb_coeff},
- {DP_COM_CONF_CSC_DEF_BG, &ycbcr2rgb_coeff},
- {0, 0},
- {DP_COM_CONF_CSC_DEF_BG, &ycbcr2rgb_coeff}
- },
- {
- {0, 0},
- {DP_COM_CONF_CSC_DEF_FG, &ycbcr2rgb_coeff},
- {0, 0},
- {0, 0},
- {0, 0}
- },
- {
- {DP_COM_CONF_CSC_DEF_FG, &rgb2ycbcr_coeff},
- {0, 0},
- {0, 0},
- {0, 0},
- {0, 0}
- },
- {
- {DP_COM_CONF_CSC_DEF_FG, &rgb2ycbcr_coeff},
- {DP_COM_CONF_CSC_DEF_FG, &ycbcr2rgb_coeff},
- {0, 0},
- {0, 0},
- {0, 0}
- }
-};
-
-static enum csc_type_t fg_csc_type = CSC_NONE, bg_csc_type = CSC_NONE;
-static int color_key_4rgb = 1;
-
-static void ipu_dp_csc_setup(int dp, struct dp_csc_param_t dp_csc_param,
- unsigned char srm_mode_update)
-{
- u32 reg;
- const int (*coeff)[5][3];
-
- if (dp_csc_param.mode >= 0) {
- reg = __raw_readl(DP_COM_CONF());
- reg &= ~DP_COM_CONF_CSC_DEF_MASK;
- reg |= dp_csc_param.mode;
- __raw_writel(reg, DP_COM_CONF());
- }
-
- coeff = dp_csc_param.coeff;
-
- if (coeff) {
- __raw_writel(mask_a((*coeff)[0][0]) |
- (mask_a((*coeff)[0][1]) << 16), DP_CSC_A_0());
- __raw_writel(mask_a((*coeff)[0][2]) |
- (mask_a((*coeff)[1][0]) << 16), DP_CSC_A_1());
- __raw_writel(mask_a((*coeff)[1][1]) |
- (mask_a((*coeff)[1][2]) << 16), DP_CSC_A_2());
- __raw_writel(mask_a((*coeff)[2][0]) |
- (mask_a((*coeff)[2][1]) << 16), DP_CSC_A_3());
- __raw_writel(mask_a((*coeff)[2][2]) |
- (mask_b((*coeff)[3][0]) << 16) |
- ((*coeff)[4][0] << 30), DP_CSC_0());
- __raw_writel(mask_b((*coeff)[3][1]) | ((*coeff)[4][1] << 14) |
- (mask_b((*coeff)[3][2]) << 16) |
- ((*coeff)[4][2] << 30), DP_CSC_1());
- }
-
- if (srm_mode_update) {
- reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
- __raw_writel(reg, IPU_SRM_PRI2);
- }
-}
-
-int ipu_dp_init(ipu_channel_t channel, uint32_t in_pixel_fmt,
- uint32_t out_pixel_fmt)
-{
- int in_fmt, out_fmt;
- int dp;
- int partial = 0;
- uint32_t reg;
-
- if (channel == MEM_FG_SYNC) {
- dp = DP_SYNC;
- partial = 1;
- } else if (channel == MEM_BG_SYNC) {
- dp = DP_SYNC;
- partial = 0;
- } else if (channel == MEM_BG_ASYNC0) {
- dp = DP_ASYNC0;
- partial = 0;
- } else {
- return -EINVAL;
- }
-
- in_fmt = format_to_colorspace(in_pixel_fmt);
- out_fmt = format_to_colorspace(out_pixel_fmt);
-
- if (partial) {
- if (in_fmt == RGB) {
- if (out_fmt == RGB)
- fg_csc_type = RGB2RGB;
- else
- fg_csc_type = RGB2YUV;
- } else {
- if (out_fmt == RGB)
- fg_csc_type = YUV2RGB;
- else
- fg_csc_type = YUV2YUV;
- }
- } else {
- if (in_fmt == RGB) {
- if (out_fmt == RGB)
- bg_csc_type = RGB2RGB;
- else
- bg_csc_type = RGB2YUV;
- } else {
- if (out_fmt == RGB)
- bg_csc_type = YUV2RGB;
- else
- bg_csc_type = YUV2YUV;
- }
- }
-
- /* Transform color key from rgb to yuv if CSC is enabled */
- reg = __raw_readl(DP_COM_CONF());
- if (color_key_4rgb && (reg & DP_COM_CONF_GWCKE) &&
- (((fg_csc_type == RGB2YUV) && (bg_csc_type == YUV2YUV)) ||
- ((fg_csc_type == YUV2YUV) && (bg_csc_type == RGB2YUV)) ||
- ((fg_csc_type == YUV2YUV) && (bg_csc_type == YUV2YUV)) ||
- ((fg_csc_type == YUV2RGB) && (bg_csc_type == YUV2RGB)))) {
- int red, green, blue;
- int y, u, v;
- uint32_t color_key = __raw_readl(DP_GRAPH_WIND_CTRL()) &
- 0xFFFFFFL;
-
- debug("_ipu_dp_init color key 0x%x need change to yuv fmt!\n",
- color_key);
-
- red = (color_key >> 16) & 0xFF;
- green = (color_key >> 8) & 0xFF;
- blue = color_key & 0xFF;
-
- y = rgb_to_yuv(0, red, green, blue);
- u = rgb_to_yuv(1, red, green, blue);
- v = rgb_to_yuv(2, red, green, blue);
- color_key = (y << 16) | (u << 8) | v;
-
- reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0xFF000000L;
- __raw_writel(reg | color_key, DP_GRAPH_WIND_CTRL());
- color_key_4rgb = 0;
-
- debug("_ipu_dp_init color key change to yuv fmt 0x%x!\n",
- color_key);
- }
-
- ipu_dp_csc_setup(dp, dp_csc_array[bg_csc_type][fg_csc_type], 1);
-
- return 0;
-}
-
-void ipu_dp_uninit(ipu_channel_t channel)
-{
- int dp;
- int partial = 0;
-
- if (channel == MEM_FG_SYNC) {
- dp = DP_SYNC;
- partial = 1;
- } else if (channel == MEM_BG_SYNC) {
- dp = DP_SYNC;
- partial = 0;
- } else if (channel == MEM_BG_ASYNC0) {
- dp = DP_ASYNC0;
- partial = 0;
- } else {
- return;
- }
-
- if (partial)
- fg_csc_type = CSC_NONE;
- else
- bg_csc_type = CSC_NONE;
-
- ipu_dp_csc_setup(dp, dp_csc_array[bg_csc_type][fg_csc_type], 0);
-}
-
-void ipu_dc_init(int dc_chan, int di, unsigned char interlaced)
-{
- u32 reg = 0;
-
- if ((dc_chan == 1) || (dc_chan == 5)) {
- if (interlaced) {
- ipu_dc_link_event(dc_chan, DC_EVT_NL, 0, 3);
- ipu_dc_link_event(dc_chan, DC_EVT_EOL, 0, 2);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA, 0, 1);
- } else {
- if (di) {
- ipu_dc_link_event(dc_chan, DC_EVT_NL, 2, 3);
- ipu_dc_link_event(dc_chan, DC_EVT_EOL, 3, 2);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA,
- 4, 1);
- } else {
- ipu_dc_link_event(dc_chan, DC_EVT_NL, 5, 3);
- ipu_dc_link_event(dc_chan, DC_EVT_EOL, 6, 2);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA,
- 7, 1);
- }
- }
- ipu_dc_link_event(dc_chan, DC_EVT_NF, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NFIELD, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_EOF, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_EOFIELD, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR, 0, 0);
-
- reg = 0x2;
- reg |= DC_DISP_ID_SYNC(di) << DC_WR_CH_CONF_PROG_DISP_ID_OFFSET;
- reg |= di << 2;
- if (interlaced)
- reg |= DC_WR_CH_CONF_FIELD_MODE;
- } else if ((dc_chan == 8) || (dc_chan == 9)) {
- /* async channels */
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_0, 0x64, 1);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_1, 0x64, 1);
-
- reg = 0x3;
- reg |= DC_DISP_ID_SERIAL << DC_WR_CH_CONF_PROG_DISP_ID_OFFSET;
- }
- __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
-
- __raw_writel(0x00000000, DC_WR_CH_ADDR(dc_chan));
-
- __raw_writel(0x00000084, DC_GEN);
-}
-
-void ipu_dc_uninit(int dc_chan)
-{
- if ((dc_chan == 1) || (dc_chan == 5)) {
- ipu_dc_link_event(dc_chan, DC_EVT_NL, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_EOL, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NF, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NFIELD, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_EOF, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_EOFIELD, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR, 0, 0);
- } else if ((dc_chan == 8) || (dc_chan == 9)) {
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_W_0, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_W_1, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_W_0, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_W_1, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_0, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_W_1, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_R_0, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_R_1, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_R_0, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN_R_1, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_R_0, 0, 0);
- ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA_R_1, 0, 0);
- }
-}
-
-void ipu_dp_dc_enable(ipu_channel_t channel)
-{
- int di;
- uint32_t reg;
- uint32_t dc_chan;
-
- if (channel == MEM_DC_SYNC)
- dc_chan = 1;
- else if ((channel == MEM_BG_SYNC) || (channel == MEM_FG_SYNC))
- dc_chan = 5;
- else
- return;
-
- if (channel == MEM_FG_SYNC) {
- /* Enable FG channel */
- reg = __raw_readl(DP_COM_CONF());
- __raw_writel(reg | DP_COM_CONF_FG_EN, DP_COM_CONF());
-
- reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
- __raw_writel(reg, IPU_SRM_PRI2);
- return;
- }
-
- di = g_dc_di_assignment[dc_chan];
-
- /* Make sure other DC sync channel is not assigned same DI */
- reg = __raw_readl(DC_WR_CH_CONF(6 - dc_chan));
- if ((di << 2) == (reg & DC_WR_CH_CONF_PROG_DI_ID)) {
- reg &= ~DC_WR_CH_CONF_PROG_DI_ID;
- reg |= di ? 0 : DC_WR_CH_CONF_PROG_DI_ID;
- __raw_writel(reg, DC_WR_CH_CONF(6 - dc_chan));
- }
-
- reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
- reg |= 4 << DC_WR_CH_CONF_PROG_TYPE_OFFSET;
- __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
-
- clk_enable(g_pixel_clk[di]);
-}
-
-static unsigned char dc_swap;
-
-void ipu_dp_dc_disable(ipu_channel_t channel, unsigned char swap)
-{
- uint32_t reg;
- uint32_t csc;
- uint32_t dc_chan = 0;
- int timeout = 50;
- int irq = 0;
-
- dc_swap = swap;
-
- if (channel == MEM_DC_SYNC) {
- dc_chan = 1;
- irq = IPU_IRQ_DC_FC_1;
- } else if (channel == MEM_BG_SYNC) {
- dc_chan = 5;
- irq = IPU_IRQ_DP_SF_END;
- } else if (channel == MEM_FG_SYNC) {
- /* Disable FG channel */
- dc_chan = 5;
-
- reg = __raw_readl(DP_COM_CONF());
- csc = reg & DP_COM_CONF_CSC_DEF_MASK;
- if (csc == DP_COM_CONF_CSC_DEF_FG)
- reg &= ~DP_COM_CONF_CSC_DEF_MASK;
-
- reg &= ~DP_COM_CONF_FG_EN;
- __raw_writel(reg, DP_COM_CONF());
-
- reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
- __raw_writel(reg, IPU_SRM_PRI2);
-
- timeout = 50;
-
- /*
- * Wait for DC triple buffer to empty,
- * this check is useful for tv overlay.
- */
- if (g_dc_di_assignment[dc_chan] == 0)
- while ((__raw_readl(DC_STAT) & 0x00000002)
- != 0x00000002) {
- udelay(2000);
- timeout -= 2;
- if (timeout <= 0)
- break;
- }
- else if (g_dc_di_assignment[dc_chan] == 1)
- while ((__raw_readl(DC_STAT) & 0x00000020)
- != 0x00000020) {
- udelay(2000);
- timeout -= 2;
- if (timeout <= 0)
- break;
- }
- return;
- } else {
- return;
- }
-
- if (dc_swap) {
- /* Swap DC channel 1 and 5 settings, and disable old dc chan */
- reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
- __raw_writel(reg, DC_WR_CH_CONF(6 - dc_chan));
- reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
- reg ^= DC_WR_CH_CONF_PROG_DI_ID;
- __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
- } else {
- /* Make sure that we leave at the irq starting edge */
- __raw_writel(IPUIRQ_2_MASK(irq), IPUIRQ_2_STATREG(irq));
- do {
- reg = __raw_readl(IPUIRQ_2_STATREG(irq));
- } while (!(reg & IPUIRQ_2_MASK(irq)));
-
- reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
- reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
- __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
-
- reg = __raw_readl(IPU_DISP_GEN);
- if (g_dc_di_assignment[dc_chan])
- reg &= ~DI1_COUNTER_RELEASE;
- else
- reg &= ~DI0_COUNTER_RELEASE;
- __raw_writel(reg, IPU_DISP_GEN);
-
- /* Clock is already off because it must be done quickly, but
- we need to fix the ref count */
- clk_disable(g_pixel_clk[g_dc_di_assignment[dc_chan]]);
- }
-}
-
-void ipu_init_dc_mappings(void)
-{
- /* IPU_PIX_FMT_RGB24 */
- ipu_dc_map_clear(0);
- ipu_dc_map_config(0, 0, 7, 0xFF);
- ipu_dc_map_config(0, 1, 15, 0xFF);
- ipu_dc_map_config(0, 2, 23, 0xFF);
-
- /* IPU_PIX_FMT_RGB666 */
- ipu_dc_map_clear(1);
- ipu_dc_map_config(1, 0, 5, 0xFC);
- ipu_dc_map_config(1, 1, 11, 0xFC);
- ipu_dc_map_config(1, 2, 17, 0xFC);
-
- /* IPU_PIX_FMT_YUV444 */
- ipu_dc_map_clear(2);
- ipu_dc_map_config(2, 0, 15, 0xFF);
- ipu_dc_map_config(2, 1, 23, 0xFF);
- ipu_dc_map_config(2, 2, 7, 0xFF);
-
- /* IPU_PIX_FMT_RGB565 */
- ipu_dc_map_clear(3);
- ipu_dc_map_config(3, 0, 4, 0xF8);
- ipu_dc_map_config(3, 1, 10, 0xFC);
- ipu_dc_map_config(3, 2, 15, 0xF8);
-
- /* IPU_PIX_FMT_LVDS666 */
- ipu_dc_map_clear(4);
- ipu_dc_map_config(4, 0, 5, 0xFC);
- ipu_dc_map_config(4, 1, 13, 0xFC);
- ipu_dc_map_config(4, 2, 21, 0xFC);
-}
-
-static int ipu_pixfmt_to_map(uint32_t fmt)
-{
- switch (fmt) {
- case IPU_PIX_FMT_GENERIC:
- case IPU_PIX_FMT_RGB24:
- return 0;
- case IPU_PIX_FMT_RGB666:
- return 1;
- case IPU_PIX_FMT_YUV444:
- return 2;
- case IPU_PIX_FMT_RGB565:
- return 3;
- case IPU_PIX_FMT_LVDS666:
- return 4;
- }
-
- return -1;
-}
-
-/*
- * This function is called to initialize a synchronous LCD panel.
- *
- * @param disp The DI the panel is attached to.
- *
- * @param pixel_clk Desired pixel clock frequency in Hz.
- *
- * @param pixel_fmt Input parameter for pixel format of buffer.
- * Pixel format is a FOURCC ASCII code.
- *
- * @param width The width of panel in pixels.
- *
- * @param height The height of panel in pixels.
- *
- * @param hStartWidth The number of pixel clocks between the HSYNC
- * signal pulse and the start of valid data.
- *
- * @param hSyncWidth The width of the HSYNC signal in units of pixel
- * clocks.
- *
- * @param hEndWidth The number of pixel clocks between the end of
- * valid data and the HSYNC signal for next line.
- *
- * @param vStartWidth The number of lines between the VSYNC
- * signal pulse and the start of valid data.
- *
- * @param vSyncWidth The width of the VSYNC signal in units of lines
- *
- * @param vEndWidth The number of lines between the end of valid
- * data and the VSYNC signal for next frame.
- *
- * @param sig Bitfield of signal polarities for LCD interface.
- *
- * @return This function returns 0 on success or negative error code on
- * fail.
- */
-
-int32_t ipu_init_sync_panel(int disp, uint32_t pixel_clk,
- uint16_t width, uint16_t height,
- uint32_t pixel_fmt,
- uint16_t h_start_width, uint16_t h_sync_width,
- uint16_t h_end_width, uint16_t v_start_width,
- uint16_t v_sync_width, uint16_t v_end_width,
- uint32_t v_to_h_sync, ipu_di_signal_cfg_t sig)
-{
- uint32_t reg;
- uint32_t di_gen, vsync_cnt;
- uint32_t div, rounded_pixel_clk;
- uint32_t h_total, v_total;
- int map;
- struct clk *di_parent;
-
- debug("panel size = %d x %d\n", width, height);
-
- if ((v_sync_width == 0) || (h_sync_width == 0))
- return -EINVAL;
-
- /* adapt panel to ipu restricitions */
- if (v_end_width < 2) {
- v_end_width = 2;
- puts("WARNING: v_end_width (lower_margin) must be >= 2, adjusted\n");
- }
-
- h_total = width + h_sync_width + h_start_width + h_end_width;
- v_total = height + v_sync_width + v_start_width + v_end_width;
-
- /* Init clocking */
- debug("pixel clk = %dHz\n", pixel_clk);
-
- if (sig.ext_clk) {
- if (!(g_di1_tvout && (disp == 1))) { /*not round div for tvout*/
- /*
- * Set the PLL to be an even multiple
- * of the pixel clock.
- */
- if ((clk_get_usecount(g_pixel_clk[0]) == 0) &&
- (clk_get_usecount(g_pixel_clk[1]) == 0)) {
- di_parent = clk_get_parent(g_di_clk[disp]);
- rounded_pixel_clk =
- clk_round_rate(g_pixel_clk[disp],
- pixel_clk);
- div = clk_get_rate(di_parent) /
- rounded_pixel_clk;
- if (div % 2)
- div++;
- if (clk_get_rate(di_parent) != div *
- rounded_pixel_clk)
- clk_set_rate(di_parent,
- div * rounded_pixel_clk);
- udelay(10000);
- clk_set_rate(g_di_clk[disp],
- 2 * rounded_pixel_clk);
- udelay(10000);
- }
- }
- clk_set_parent(g_pixel_clk[disp], g_ldb_clk);
- } else {
- if (clk_get_usecount(g_pixel_clk[disp]) != 0)
- clk_set_parent(g_pixel_clk[disp], g_ipu_clk);
- }
- rounded_pixel_clk = clk_round_rate(g_pixel_clk[disp], pixel_clk);
- clk_set_rate(g_pixel_clk[disp], rounded_pixel_clk);
- udelay(5000);
- /* Get integer portion of divider */
- div = clk_get_rate(clk_get_parent(g_pixel_clk[disp])) /
- rounded_pixel_clk;
-
- ipu_di_data_wave_config(disp, SYNC_WAVE, div - 1, div - 1);
- ipu_di_data_pin_config(disp, SYNC_WAVE, DI_PIN15, 3, 0, div * 2);
-
- map = ipu_pixfmt_to_map(pixel_fmt);
- if (map < 0) {
- debug("IPU_DISP: No MAP\n");
- return -EINVAL;
- }
-
- di_gen = __raw_readl(DI_GENERAL(disp));
-
- if (sig.interlaced) {
- /* Setup internal HSYNC waveform */
- ipu_di_sync_config(
- disp, /* display */
- 1, /* counter */
- h_total / 2 - 1,/* run count */
- DI_SYNC_CLK, /* run_resolution */
- 0, /* offset */
- DI_SYNC_NONE, /* offset resolution */
- 0, /* repeat count */
- DI_SYNC_NONE, /* CNT_CLR_SEL */
- 0, /* CNT_POLARITY_GEN_EN */
- DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
- DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
- 0, /* COUNT UP */
- 0 /* COUNT DOWN */
- );
-
- /* Field 1 VSYNC waveform */
- ipu_di_sync_config(
- disp, /* display */
- 2, /* counter */
- h_total - 1, /* run count */
- DI_SYNC_CLK, /* run_resolution */
- 0, /* offset */
- DI_SYNC_NONE, /* offset resolution */
- 0, /* repeat count */
- DI_SYNC_NONE, /* CNT_CLR_SEL */
- 0, /* CNT_POLARITY_GEN_EN */
- DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
- DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
- 0, /* COUNT UP */
- 4 /* COUNT DOWN */
- );
-
- /* Setup internal HSYNC waveform */
- ipu_di_sync_config(
- disp, /* display */
- 3, /* counter */
- v_total * 2 - 1,/* run count */
- DI_SYNC_INT_HSYNC, /* run_resolution */
- 1, /* offset */
- DI_SYNC_INT_HSYNC, /* offset resolution */
- 0, /* repeat count */
- DI_SYNC_NONE, /* CNT_CLR_SEL */
- 0, /* CNT_POLARITY_GEN_EN */
- DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
- DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
- 0, /* COUNT UP */
- 4 /* COUNT DOWN */
- );
-
- /* Active Field ? */
- ipu_di_sync_config(
- disp, /* display */
- 4, /* counter */
- v_total / 2 - 1,/* run count */
- DI_SYNC_HSYNC, /* run_resolution */
- v_start_width, /* offset */
- DI_SYNC_HSYNC, /* offset resolution */
- 2, /* repeat count */
- DI_SYNC_VSYNC, /* CNT_CLR_SEL */
- 0, /* CNT_POLARITY_GEN_EN */
- DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
- DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
- 0, /* COUNT UP */
- 0 /* COUNT DOWN */
- );
-
- /* Active Line */
- ipu_di_sync_config(
- disp, /* display */
- 5, /* counter */
- 0, /* run count */
- DI_SYNC_HSYNC, /* run_resolution */
- 0, /* offset */
- DI_SYNC_NONE, /* offset resolution */
- height / 2, /* repeat count */
- 4, /* CNT_CLR_SEL */
- 0, /* CNT_POLARITY_GEN_EN */
- DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
- DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
- 0, /* COUNT UP */
- 0 /* COUNT DOWN */
- );
-
- /* Field 0 VSYNC waveform */
- ipu_di_sync_config(
- disp, /* display */
- 6, /* counter */
- v_total - 1, /* run count */
- DI_SYNC_HSYNC, /* run_resolution */
- 0, /* offset */
- DI_SYNC_NONE, /* offset resolution */
- 0, /* repeat count */
- DI_SYNC_NONE, /* CNT_CLR_SEL */
- 0, /* CNT_POLARITY_GEN_EN */
- DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
- DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
- 0, /* COUNT UP */
- 0 /* COUNT DOWN */
- );
-
- /* DC VSYNC waveform */
- vsync_cnt = 7;
- ipu_di_sync_config(
- disp, /* display */
- 7, /* counter */
- v_total / 2 - 1,/* run count */
- DI_SYNC_HSYNC, /* run_resolution */
- 9, /* offset */
- DI_SYNC_HSYNC, /* offset resolution */
- 2, /* repeat count */
- DI_SYNC_VSYNC, /* CNT_CLR_SEL */
- 0, /* CNT_POLARITY_GEN_EN */
- DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
- DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
- 0, /* COUNT UP */
- 0 /* COUNT DOWN */
- );
-
- /* active pixel waveform */
- ipu_di_sync_config(
- disp, /* display */
- 8, /* counter */
- 0, /* run count */
- DI_SYNC_CLK, /* run_resolution */
- h_start_width, /* offset */
- DI_SYNC_CLK, /* offset resolution */
- width, /* repeat count */
- 5, /* CNT_CLR_SEL */
- 0, /* CNT_POLARITY_GEN_EN */
- DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
- DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
- 0, /* COUNT UP */
- 0 /* COUNT DOWN */
- );
-
- ipu_di_sync_config(
- disp, /* display */
- 9, /* counter */
- v_total - 1, /* run count */
- DI_SYNC_INT_HSYNC,/* run_resolution */
- v_total / 2, /* offset */
- DI_SYNC_INT_HSYNC,/* offset resolution */
- 0, /* repeat count */
- DI_SYNC_HSYNC, /* CNT_CLR_SEL */
- 0, /* CNT_POLARITY_GEN_EN */
- DI_SYNC_NONE, /* CNT_POLARITY_CLR_SEL */
- DI_SYNC_NONE, /* CNT_POLARITY_TRIGGER_SEL */
- 0, /* COUNT UP */
- 4 /* COUNT DOWN */
- );
-
- /* set gentime select and tag sel */
- reg = __raw_readl(DI_SW_GEN1(disp, 9));
- reg &= 0x1FFFFFFF;
- reg |= (3 - 1)<<29 | 0x00008000;
- __raw_writel(reg, DI_SW_GEN1(disp, 9));
-
- __raw_writel(v_total / 2 - 1, DI_SCR_CONF(disp));
-
- /* set y_sel = 1 */
- di_gen |= 0x10000000;
- di_gen |= DI_GEN_POLARITY_5;
- di_gen |= DI_GEN_POLARITY_8;
- } else {
- /* Setup internal HSYNC waveform */
- ipu_di_sync_config(disp, 1, h_total - 1, DI_SYNC_CLK,
- 0, DI_SYNC_NONE, 0, DI_SYNC_NONE,
- 0, DI_SYNC_NONE,
- DI_SYNC_NONE, 0, 0);
-
- /* Setup external (delayed) HSYNC waveform */
- ipu_di_sync_config(disp, DI_SYNC_HSYNC, h_total - 1,
- DI_SYNC_CLK, div * v_to_h_sync, DI_SYNC_CLK,
- 0, DI_SYNC_NONE, 1, DI_SYNC_NONE,
- DI_SYNC_CLK, 0, h_sync_width * 2);
- /* Setup VSYNC waveform */
- vsync_cnt = DI_SYNC_VSYNC;
- ipu_di_sync_config(disp, DI_SYNC_VSYNC, v_total - 1,
- DI_SYNC_INT_HSYNC, 0, DI_SYNC_NONE, 0,
- DI_SYNC_NONE, 1, DI_SYNC_NONE,
- DI_SYNC_INT_HSYNC, 0, v_sync_width * 2);
- __raw_writel(v_total - 1, DI_SCR_CONF(disp));
-
- /* Setup active data waveform to sync with DC */
- ipu_di_sync_config(disp, 4, 0, DI_SYNC_HSYNC,
- v_sync_width + v_start_width, DI_SYNC_HSYNC,
- height,
- DI_SYNC_VSYNC, 0, DI_SYNC_NONE,
- DI_SYNC_NONE, 0, 0);
- ipu_di_sync_config(disp, 5, 0, DI_SYNC_CLK,
- h_sync_width + h_start_width, DI_SYNC_CLK,
- width, 4, 0, DI_SYNC_NONE, DI_SYNC_NONE, 0,
- 0);
-
- /* reset all unused counters */
- __raw_writel(0, DI_SW_GEN0(disp, 6));
- __raw_writel(0, DI_SW_GEN1(disp, 6));
- __raw_writel(0, DI_SW_GEN0(disp, 7));
- __raw_writel(0, DI_SW_GEN1(disp, 7));
- __raw_writel(0, DI_SW_GEN0(disp, 8));
- __raw_writel(0, DI_SW_GEN1(disp, 8));
- __raw_writel(0, DI_SW_GEN0(disp, 9));
- __raw_writel(0, DI_SW_GEN1(disp, 9));
-
- reg = __raw_readl(DI_STP_REP(disp, 6));
- reg &= 0x0000FFFF;
- __raw_writel(reg, DI_STP_REP(disp, 6));
- __raw_writel(0, DI_STP_REP(disp, 7));
- __raw_writel(0, DI_STP_REP9(disp));
-
- /* Init template microcode */
- if (disp) {
- ipu_dc_write_tmpl(2, WROD(0), 0, map, SYNC_WAVE, 8, 5);
- ipu_dc_write_tmpl(3, WROD(0), 0, map, SYNC_WAVE, 4, 5);
- ipu_dc_write_tmpl(4, WROD(0), 0, map, SYNC_WAVE, 0, 5);
- } else {
- ipu_dc_write_tmpl(5, WROD(0), 0, map, SYNC_WAVE, 8, 5);
- ipu_dc_write_tmpl(6, WROD(0), 0, map, SYNC_WAVE, 4, 5);
- ipu_dc_write_tmpl(7, WROD(0), 0, map, SYNC_WAVE, 0, 5);
- }
-
- if (sig.Hsync_pol)
- di_gen |= DI_GEN_POLARITY_2;
- if (sig.Vsync_pol)
- di_gen |= DI_GEN_POLARITY_3;
-
- if (!sig.clk_pol)
- di_gen |= DI_GEN_POL_CLK;
-
- }
-
- __raw_writel(di_gen, DI_GENERAL(disp));
-
- __raw_writel((--vsync_cnt << DI_VSYNC_SEL_OFFSET) |
- 0x00000002, DI_SYNC_AS_GEN(disp));
-
- reg = __raw_readl(DI_POL(disp));
- reg &= ~(DI_POL_DRDY_DATA_POLARITY | DI_POL_DRDY_POLARITY_15);
- if (sig.enable_pol)
- reg |= DI_POL_DRDY_POLARITY_15;
- if (sig.data_pol)
- reg |= DI_POL_DRDY_DATA_POLARITY;
- __raw_writel(reg, DI_POL(disp));
-
- __raw_writel(width, DC_DISP_CONF2(DC_DISP_ID_SYNC(disp)));
-
- return 0;
-}
-
-/*
- * This function sets the foreground and background plane global alpha blending
- * modes. This function also sets the DP graphic plane according to the
- * parameter of IPUv3 DP channel.
- *
- * @param channel IPUv3 DP channel
- *
- * @param enable Boolean to enable or disable global alpha
- * blending. If disabled, local blending is used.
- *
- * @param alpha Global alpha value.
- *
- * @return Returns 0 on success or negative error code on fail
- */
-int32_t ipu_disp_set_global_alpha(ipu_channel_t channel, unsigned char enable,
- uint8_t alpha)
-{
- uint32_t reg;
-
- unsigned char bg_chan;
-
- if (!((channel == MEM_BG_SYNC || channel == MEM_FG_SYNC) ||
- (channel == MEM_BG_ASYNC0 || channel == MEM_FG_ASYNC0) ||
- (channel == MEM_BG_ASYNC1 || channel == MEM_FG_ASYNC1)))
- return -EINVAL;
-
- if (channel == MEM_BG_SYNC || channel == MEM_BG_ASYNC0 ||
- channel == MEM_BG_ASYNC1)
- bg_chan = 1;
- else
- bg_chan = 0;
-
- if (!g_ipu_clk_enabled)
- clk_enable(g_ipu_clk);
-
- if (bg_chan) {
- reg = __raw_readl(DP_COM_CONF());
- __raw_writel(reg & ~DP_COM_CONF_GWSEL, DP_COM_CONF());
- } else {
- reg = __raw_readl(DP_COM_CONF());
- __raw_writel(reg | DP_COM_CONF_GWSEL, DP_COM_CONF());
- }
-
- if (enable) {
- reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0x00FFFFFFL;
- __raw_writel(reg | ((uint32_t) alpha << 24),
- DP_GRAPH_WIND_CTRL());
-
- reg = __raw_readl(DP_COM_CONF());
- __raw_writel(reg | DP_COM_CONF_GWAM, DP_COM_CONF());
- } else {
- reg = __raw_readl(DP_COM_CONF());
- __raw_writel(reg & ~DP_COM_CONF_GWAM, DP_COM_CONF());
- }
-
- reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
- __raw_writel(reg, IPU_SRM_PRI2);
-
- if (!g_ipu_clk_enabled)
- clk_disable(g_ipu_clk);
-
- return 0;
-}
-
-/*
- * This function sets the transparent color key for SDC graphic plane.
- *
- * @param channel Input parameter for the logical channel ID.
- *
- * @param enable Boolean to enable or disable color key
- *
- * @param colorKey 24-bit RGB color for transparent color key.
- *
- * @return Returns 0 on success or negative error code on fail
- */
-int32_t ipu_disp_set_color_key(ipu_channel_t channel, unsigned char enable,
- uint32_t color_key)
-{
- uint32_t reg;
- int y, u, v;
- int red, green, blue;
-
- if (!((channel == MEM_BG_SYNC || channel == MEM_FG_SYNC) ||
- (channel == MEM_BG_ASYNC0 || channel == MEM_FG_ASYNC0) ||
- (channel == MEM_BG_ASYNC1 || channel == MEM_FG_ASYNC1)))
- return -EINVAL;
-
- if (!g_ipu_clk_enabled)
- clk_enable(g_ipu_clk);
-
- color_key_4rgb = 1;
- /* Transform color key from rgb to yuv if CSC is enabled */
- if (((fg_csc_type == RGB2YUV) && (bg_csc_type == YUV2YUV)) ||
- ((fg_csc_type == YUV2YUV) && (bg_csc_type == RGB2YUV)) ||
- ((fg_csc_type == YUV2YUV) && (bg_csc_type == YUV2YUV)) ||
- ((fg_csc_type == YUV2RGB) && (bg_csc_type == YUV2RGB))) {
-
- debug("color key 0x%x need change to yuv fmt\n", color_key);
-
- red = (color_key >> 16) & 0xFF;
- green = (color_key >> 8) & 0xFF;
- blue = color_key & 0xFF;
-
- y = rgb_to_yuv(0, red, green, blue);
- u = rgb_to_yuv(1, red, green, blue);
- v = rgb_to_yuv(2, red, green, blue);
- color_key = (y << 16) | (u << 8) | v;
-
- color_key_4rgb = 0;
-
- debug("color key change to yuv fmt 0x%x\n", color_key);
- }
-
- if (enable) {
- reg = __raw_readl(DP_GRAPH_WIND_CTRL()) & 0xFF000000L;
- __raw_writel(reg | color_key, DP_GRAPH_WIND_CTRL());
-
- reg = __raw_readl(DP_COM_CONF());
- __raw_writel(reg | DP_COM_CONF_GWCKE, DP_COM_CONF());
- } else {
- reg = __raw_readl(DP_COM_CONF());
- __raw_writel(reg & ~DP_COM_CONF_GWCKE, DP_COM_CONF());
- }
-
- reg = __raw_readl(IPU_SRM_PRI2) | 0x8;
- __raw_writel(reg, IPU_SRM_PRI2);
-
- if (!g_ipu_clk_enabled)
- clk_disable(g_ipu_clk);
-
- return 0;
-}
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Porting to u-boot:
- *
- * (C) Copyright 2010
- * Stefano Babic, DENX Software Engineering, sbabic@denx.de
- *
- * Linux IPU driver for MX51:
- *
- * (C) Copyright 2005-2009 Freescale Semiconductor, Inc.
- */
-
-#ifndef __IPU_REGS_INCLUDED__
-#define __IPU_REGS_INCLUDED__
-
-#define IPU_DISP0_BASE 0x00000000
-#define IPU_MCU_T_DEFAULT 8
-#define IPU_DISP1_BASE (IPU_MCU_T_DEFAULT << 25)
-#define IPU_CM_REG_BASE 0x00000000
-#define IPU_STAT_REG_BASE 0x00000200
-#define IPU_IDMAC_REG_BASE 0x00008000
-#define IPU_ISP_REG_BASE 0x00010000
-#define IPU_DP_REG_BASE 0x00018000
-#define IPU_IC_REG_BASE 0x00020000
-#define IPU_IRT_REG_BASE 0x00028000
-#define IPU_CSI0_REG_BASE 0x00030000
-#define IPU_CSI1_REG_BASE 0x00038000
-#define IPU_DI0_REG_BASE 0x00040000
-#define IPU_DI1_REG_BASE 0x00048000
-#define IPU_SMFC_REG_BASE 0x00050000
-#define IPU_DC_REG_BASE 0x00058000
-#define IPU_DMFC_REG_BASE 0x00060000
-#define IPU_VDI_REG_BASE 0x00680000
-#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
-#define IPU_CPMEM_REG_BASE 0x01000000
-#define IPU_LUT_REG_BASE 0x01020000
-#define IPU_SRM_REG_BASE 0x01040000
-#define IPU_TPM_REG_BASE 0x01060000
-#define IPU_DC_TMPL_REG_BASE 0x01080000
-#define IPU_ISP_TBPR_REG_BASE 0x010C0000
-#elif defined(CONFIG_MX6)
-#define IPU_CPMEM_REG_BASE 0x00100000
-#define IPU_LUT_REG_BASE 0x00120000
-#define IPU_SRM_REG_BASE 0x00140000
-#define IPU_TPM_REG_BASE 0x00160000
-#define IPU_DC_TMPL_REG_BASE 0x00180000
-#define IPU_ISP_TBPR_REG_BASE 0x001C0000
-#endif
-
-#define IPU_CTRL_BASE_ADDR (IPU_SOC_BASE_ADDR + IPU_SOC_OFFSET)
-
-extern u32 *ipu_dc_tmpl_reg;
-
-#define DC_EVT_NF 0
-#define DC_EVT_NL 1
-#define DC_EVT_EOF 2
-#define DC_EVT_NFIELD 3
-#define DC_EVT_EOL 4
-#define DC_EVT_EOFIELD 5
-#define DC_EVT_NEW_ADDR 6
-#define DC_EVT_NEW_CHAN 7
-#define DC_EVT_NEW_DATA 8
-
-#define DC_EVT_NEW_ADDR_W_0 0
-#define DC_EVT_NEW_ADDR_W_1 1
-#define DC_EVT_NEW_CHAN_W_0 2
-#define DC_EVT_NEW_CHAN_W_1 3
-#define DC_EVT_NEW_DATA_W_0 4
-#define DC_EVT_NEW_DATA_W_1 5
-#define DC_EVT_NEW_ADDR_R_0 6
-#define DC_EVT_NEW_ADDR_R_1 7
-#define DC_EVT_NEW_CHAN_R_0 8
-#define DC_EVT_NEW_CHAN_R_1 9
-#define DC_EVT_NEW_DATA_R_0 10
-#define DC_EVT_NEW_DATA_R_1 11
-
-/* Software reset for ipu */
-#define SW_IPU_RST 8
-
-enum {
- IPU_CONF_DP_EN = 0x00000020,
- IPU_CONF_DI0_EN = 0x00000040,
- IPU_CONF_DI1_EN = 0x00000080,
- IPU_CONF_DMFC_EN = 0x00000400,
- IPU_CONF_DC_EN = 0x00000200,
-
- DI0_COUNTER_RELEASE = 0x01000000,
- DI1_COUNTER_RELEASE = 0x02000000,
-
- DI_DW_GEN_ACCESS_SIZE_OFFSET = 24,
- DI_DW_GEN_COMPONENT_SIZE_OFFSET = 16,
-
- DI_GEN_DI_CLK_EXT = 0x100000,
- DI_GEN_POLARITY_1 = 0x00000001,
- DI_GEN_POLARITY_2 = 0x00000002,
- DI_GEN_POLARITY_3 = 0x00000004,
- DI_GEN_POLARITY_4 = 0x00000008,
- DI_GEN_POLARITY_5 = 0x00000010,
- DI_GEN_POLARITY_6 = 0x00000020,
- DI_GEN_POLARITY_7 = 0x00000040,
- DI_GEN_POLARITY_8 = 0x00000080,
- DI_GEN_POL_CLK = 0x20000,
-
- DI_POL_DRDY_DATA_POLARITY = 0x00000080,
- DI_POL_DRDY_POLARITY_15 = 0x00000010,
- DI_VSYNC_SEL_OFFSET = 13,
-
- DC_WR_CH_CONF_FIELD_MODE = 0x00000200,
- DC_WR_CH_CONF_PROG_TYPE_OFFSET = 5,
- DC_WR_CH_CONF_PROG_TYPE_MASK = 0x000000E0,
- DC_WR_CH_CONF_PROG_DI_ID = 0x00000004,
- DC_WR_CH_CONF_PROG_DISP_ID_OFFSET = 3,
- DC_WR_CH_CONF_PROG_DISP_ID_MASK = 0x00000018,
-
- DP_COM_CONF_FG_EN = 0x00000001,
- DP_COM_CONF_GWSEL = 0x00000002,
- DP_COM_CONF_GWAM = 0x00000004,
- DP_COM_CONF_GWCKE = 0x00000008,
- DP_COM_CONF_CSC_DEF_MASK = 0x00000300,
- DP_COM_CONF_CSC_DEF_OFFSET = 8,
- DP_COM_CONF_CSC_DEF_FG = 0x00000300,
- DP_COM_CONF_CSC_DEF_BG = 0x00000200,
- DP_COM_CONF_CSC_DEF_BOTH = 0x00000100,
- DP_COM_CONF_GAMMA_EN = 0x00001000,
- DP_COM_CONF_GAMMA_YUV_EN = 0x00002000,
-};
-
-enum di_pins {
- DI_PIN11 = 0,
- DI_PIN12 = 1,
- DI_PIN13 = 2,
- DI_PIN14 = 3,
- DI_PIN15 = 4,
- DI_PIN16 = 5,
- DI_PIN17 = 6,
- DI_PIN_CS = 7,
-
- DI_PIN_SER_CLK = 0,
- DI_PIN_SER_RS = 1,
-};
-
-enum di_sync_wave {
- DI_SYNC_NONE = -1,
- DI_SYNC_CLK = 0,
- DI_SYNC_INT_HSYNC = 1,
- DI_SYNC_HSYNC = 2,
- DI_SYNC_VSYNC = 3,
- DI_SYNC_DE = 5,
-};
-
-struct ipu_cm {
- u32 conf;
- u32 sisg_ctrl0;
- u32 sisg_ctrl1;
- u32 sisg_set[6];
- u32 sisg_clear[6];
- u32 int_ctrl[15];
- u32 sdma_event[10];
- u32 srm_pri1;
- u32 srm_pri2;
- u32 fs_proc_flow[3];
- u32 fs_disp_flow[2];
- u32 skip;
- u32 disp_alt_conf;
- u32 disp_gen;
- u32 disp_alt[4];
- u32 snoop;
- u32 mem_rst;
- u32 pm;
- u32 gpr;
- u32 reserved0[26];
- u32 ch_db_mode_sel[2];
- u32 reserved1[4];
- u32 alt_ch_db_mode_sel[2];
- u32 reserved2[2];
- u32 ch_trb_mode_sel[2];
-};
-
-struct ipu_idmac {
- u32 conf;
- u32 ch_en[2];
- u32 sep_alpha;
- u32 alt_sep_alpha;
- u32 ch_pri[2];
- u32 wm_en[2];
- u32 lock_en[2];
- u32 sub_addr[5];
- u32 bndm_en[2];
- u32 sc_cord[2];
- u32 reserved[44];
- u32 ch_busy[2];
-};
-
-struct ipu_com_async {
- u32 com_conf_async;
- u32 graph_wind_ctrl_async;
- u32 fg_pos_async;
- u32 cur_pos_async;
- u32 cur_map_async;
- u32 gamma_c_async[8];
- u32 gamma_s_async[4];
- u32 dp_csca_async[4];
- u32 dp_csc_async[2];
-};
-
-struct ipu_dp {
- u32 com_conf_sync;
- u32 graph_wind_ctrl_sync;
- u32 fg_pos_sync;
- u32 cur_pos_sync;
- u32 cur_map_sync;
- u32 gamma_c_sync[8];
- u32 gamma_s_sync[4];
- u32 csca_sync[4];
- u32 csc_sync[2];
- u32 cur_pos_alt;
- struct ipu_com_async async[2];
-};
-
-struct ipu_di {
- u32 general;
- u32 bs_clkgen0;
- u32 bs_clkgen1;
- u32 sw_gen0[9];
- u32 sw_gen1[9];
- u32 sync_as;
- u32 dw_gen[12];
- u32 dw_set[48];
- u32 stp_rep[4];
- u32 stp_rep9;
- u32 ser_conf;
- u32 ssc;
- u32 pol;
- u32 aw0;
- u32 aw1;
- u32 scr_conf;
- u32 stat;
-};
-
-struct ipu_stat {
- u32 int_stat[15];
- u32 cur_buf[2];
- u32 alt_cur_buf_0;
- u32 alt_cur_buf_1;
- u32 srm_stat;
- u32 proc_task_stat;
- u32 disp_task_stat;
- u32 triple_cur_buf[4];
- u32 ch_buf0_rdy[2];
- u32 ch_buf1_rdy[2];
- u32 alt_ch_buf0_rdy[2];
- u32 alt_ch_buf1_rdy[2];
- u32 ch_buf2_rdy[2];
-};
-
-struct ipu_dc_ch {
- u32 wr_ch_conf;
- u32 wr_ch_addr;
- u32 rl[5];
-};
-
-struct ipu_dc {
- struct ipu_dc_ch dc_ch0_1_2[3];
- u32 cmd_ch_conf_3;
- u32 cmd_ch_conf_4;
- struct ipu_dc_ch dc_ch5_6[2];
- struct ipu_dc_ch dc_ch8;
- u32 rl6_ch_8;
- struct ipu_dc_ch dc_ch9;
- u32 rl6_ch_9;
- u32 gen;
- u32 disp_conf1[4];
- u32 disp_conf2[4];
- u32 di0_conf[2];
- u32 di1_conf[2];
- u32 dc_map_ptr[15];
- u32 dc_map_val[12];
- u32 udge[16];
- u32 lla[2];
- u32 r_lla[2];
- u32 wr_ch_addr_5_alt;
- u32 stat;
-};
-
-struct ipu_dmfc {
- u32 rd_chan;
- u32 wr_chan;
- u32 wr_chan_def;
- u32 dp_chan;
- u32 dp_chan_def;
- u32 general[2];
- u32 ic_ctrl;
- u32 wr_chan_alt;
- u32 wr_chan_def_alt;
- u32 general1_alt;
- u32 stat;
-};
-
-#define IPU_CM_REG ((struct ipu_cm *)(IPU_CTRL_BASE_ADDR + \
- IPU_CM_REG_BASE))
-#define IPU_CONF (&IPU_CM_REG->conf)
-#define IPU_SRM_PRI1 (&IPU_CM_REG->srm_pri1)
-#define IPU_SRM_PRI2 (&IPU_CM_REG->srm_pri2)
-#define IPU_FS_PROC_FLOW1 (&IPU_CM_REG->fs_proc_flow[0])
-#define IPU_FS_PROC_FLOW2 (&IPU_CM_REG->fs_proc_flow[1])
-#define IPU_FS_PROC_FLOW3 (&IPU_CM_REG->fs_proc_flow[2])
-#define IPU_FS_DISP_FLOW1 (&IPU_CM_REG->fs_disp_flow[0])
-#define IPU_DISP_GEN (&IPU_CM_REG->disp_gen)
-#define IPU_MEM_RST (&IPU_CM_REG->mem_rst)
-#define IPU_GPR (&IPU_CM_REG->gpr)
-#define IPU_CHA_DB_MODE_SEL(ch) (&IPU_CM_REG->ch_db_mode_sel[ch / 32])
-
-#define IPU_STAT ((struct ipu_stat *)(IPU_CTRL_BASE_ADDR + \
- IPU_STAT_REG_BASE))
-#define IPU_INT_STAT(n) (&IPU_STAT->int_stat[(n) - 1])
-#define IPU_CHA_CUR_BUF(ch) (&IPU_STAT->cur_buf[ch / 32])
-#define IPU_CHA_BUF0_RDY(ch) (&IPU_STAT->ch_buf0_rdy[ch / 32])
-#define IPU_CHA_BUF1_RDY(ch) (&IPU_STAT->ch_buf1_rdy[ch / 32])
-#define IPUIRQ_2_STATREG(irq) (IPU_INT_STAT(1) + ((irq) / 32))
-#define IPUIRQ_2_MASK(irq) (1UL << ((irq) & 0x1F))
-
-#define IPU_INT_CTRL(n) (&IPU_CM_REG->int_ctrl[(n) - 1])
-
-#define IDMAC_REG ((struct ipu_idmac *)(IPU_CTRL_BASE_ADDR + \
- IPU_IDMAC_REG_BASE))
-#define IDMAC_CONF (&IDMAC_REG->conf)
-#define IDMAC_CHA_EN(ch) (&IDMAC_REG->ch_en[ch / 32])
-#define IDMAC_CHA_PRI(ch) (&IDMAC_REG->ch_pri[ch / 32])
-
-#define DI_REG(di) ((struct ipu_di *)(IPU_CTRL_BASE_ADDR + \
- ((di == 1) ? IPU_DI1_REG_BASE : \
- IPU_DI0_REG_BASE)))
-#define DI_GENERAL(di) (&DI_REG(di)->general)
-#define DI_BS_CLKGEN0(di) (&DI_REG(di)->bs_clkgen0)
-#define DI_BS_CLKGEN1(di) (&DI_REG(di)->bs_clkgen1)
-
-#define DI_SW_GEN0(di, gen) (&DI_REG(di)->sw_gen0[gen - 1])
-#define DI_SW_GEN1(di, gen) (&DI_REG(di)->sw_gen1[gen - 1])
-#define DI_STP_REP(di, gen) (&DI_REG(di)->stp_rep[(gen - 1) / 2])
-#define DI_STP_REP9(di) (&DI_REG(di)->stp_rep9)
-#define DI_SYNC_AS_GEN(di) (&DI_REG(di)->sync_as)
-#define DI_DW_GEN(di, gen) (&DI_REG(di)->dw_gen[gen])
-#define DI_DW_SET(di, gen, set) (&DI_REG(di)->dw_set[gen + 12 * set])
-#define DI_POL(di) (&DI_REG(di)->pol)
-#define DI_SCR_CONF(di) (&DI_REG(di)->scr_conf)
-
-#define DMFC_REG ((struct ipu_dmfc *)(IPU_CTRL_BASE_ADDR + \
- IPU_DMFC_REG_BASE))
-#define DMFC_WR_CHAN (&DMFC_REG->wr_chan)
-#define DMFC_WR_CHAN_DEF (&DMFC_REG->wr_chan_def)
-#define DMFC_DP_CHAN (&DMFC_REG->dp_chan)
-#define DMFC_DP_CHAN_DEF (&DMFC_REG->dp_chan_def)
-#define DMFC_GENERAL1 (&DMFC_REG->general[0])
-#define DMFC_IC_CTRL (&DMFC_REG->ic_ctrl)
-
-
-#define DC_REG ((struct ipu_dc *)(IPU_CTRL_BASE_ADDR + \
- IPU_DC_REG_BASE))
-#define DC_MAP_CONF_PTR(n) (&DC_REG->dc_map_ptr[n / 2])
-#define DC_MAP_CONF_VAL(n) (&DC_REG->dc_map_val[n / 2])
-
-
-static inline struct ipu_dc_ch *dc_ch_offset(int ch)
-{
- switch (ch) {
- case 0:
- case 1:
- case 2:
- return &DC_REG->dc_ch0_1_2[ch];
- case 5:
- case 6:
- return &DC_REG->dc_ch5_6[ch - 5];
- case 8:
- return &DC_REG->dc_ch8;
- case 9:
- return &DC_REG->dc_ch9;
- default:
- printf("%s: invalid channel %d\n", __func__, ch);
- return NULL;
- }
-
-}
-
-#define DC_RL_CH(ch, evt) (&dc_ch_offset(ch)->rl[evt / 2])
-
-#define DC_WR_CH_CONF(ch) (&dc_ch_offset(ch)->wr_ch_conf)
-#define DC_WR_CH_ADDR(ch) (&dc_ch_offset(ch)->wr_ch_addr)
-
-#define DC_WR_CH_CONF_1 DC_WR_CH_CONF(1)
-#define DC_WR_CH_CONF_5 DC_WR_CH_CONF(5)
-
-#define DC_GEN (&DC_REG->gen)
-#define DC_DISP_CONF2(disp) (&DC_REG->disp_conf2[disp])
-#define DC_STAT (&DC_REG->stat)
-
-#define DP_SYNC 0
-#define DP_ASYNC0 0x60
-#define DP_ASYNC1 0xBC
-
-#define DP_REG ((struct ipu_dp *)(IPU_CTRL_BASE_ADDR + \
- IPU_DP_REG_BASE))
-#define DP_COM_CONF() (&DP_REG->com_conf_sync)
-#define DP_GRAPH_WIND_CTRL() (&DP_REG->graph_wind_ctrl_sync)
-#define DP_CSC_A_0() (&DP_REG->csca_sync[0])
-#define DP_CSC_A_1() (&DP_REG->csca_sync[1])
-#define DP_CSC_A_2() (&DP_REG->csca_sync[2])
-#define DP_CSC_A_3() (&DP_REG->csca_sync[3])
-
-#define DP_CSC_0() (&DP_REG->csc_sync[0])
-#define DP_CSC_1() (&DP_REG->csc_sync[1])
-
-/* DC template opcodes */
-#define WROD(lf) (0x18 | (lf << 1))
-
-#endif
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Porting to u-boot:
- *
- * (C) Copyright 2010
- * Stefano Babic, DENX Software Engineering, sbabic@denx.de
- *
- * MX51 Linux framebuffer:
- *
- * (C) Copyright 2004-2010 Freescale Semiconductor, Inc.
- */
-
-#include <common.h>
-#include <linux/errno.h>
-#include <asm/global_data.h>
-#include <linux/string.h>
-#include <linux/list.h>
-#include <linux/fb.h>
-#include <asm/io.h>
-#include <asm/mach-imx/video.h>
-#include <malloc.h>
-#include <video_fb.h>
-#include "videomodes.h"
-#include "ipu.h"
-#include "mxcfb.h"
-#include "ipu_regs.h"
-
-#include <dm.h>
-#include <video.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static int mxcfb_map_video_memory(struct fb_info *fbi);
-static int mxcfb_unmap_video_memory(struct fb_info *fbi);
-
-/* graphics setup */
-static GraphicDevice panel;
-static struct fb_videomode const *gmode;
-static uint8_t gdisp;
-static uint32_t gpixfmt;
-
-static void fb_videomode_to_var(struct fb_var_screeninfo *var,
- const struct fb_videomode *mode)
-{
- var->xres = mode->xres;
- var->yres = mode->yres;
- var->xres_virtual = mode->xres;
- var->yres_virtual = mode->yres;
- var->xoffset = 0;
- var->yoffset = 0;
- var->pixclock = mode->pixclock;
- var->left_margin = mode->left_margin;
- var->right_margin = mode->right_margin;
- var->upper_margin = mode->upper_margin;
- var->lower_margin = mode->lower_margin;
- var->hsync_len = mode->hsync_len;
- var->vsync_len = mode->vsync_len;
- var->sync = mode->sync;
- var->vmode = mode->vmode & FB_VMODE_MASK;
-}
-
-/*
- * Structure containing the MXC specific framebuffer information.
- */
-struct mxcfb_info {
- int blank;
- ipu_channel_t ipu_ch;
- int ipu_di;
- u32 ipu_di_pix_fmt;
- unsigned char overlay;
- unsigned char alpha_chan_en;
- dma_addr_t alpha_phy_addr0;
- dma_addr_t alpha_phy_addr1;
- void *alpha_virt_addr0;
- void *alpha_virt_addr1;
- uint32_t alpha_mem_len;
- uint32_t cur_ipu_buf;
- uint32_t cur_ipu_alpha_buf;
-
- u32 pseudo_palette[16];
-};
-
-enum {
- BOTH_ON,
- SRC_ON,
- TGT_ON,
- BOTH_OFF
-};
-
-static unsigned long default_bpp = 16;
-static unsigned char g_dp_in_use;
-static struct fb_info *mxcfb_info[3];
-static int ext_clk_used;
-
-static uint32_t bpp_to_pixfmt(struct fb_info *fbi)
-{
- uint32_t pixfmt = 0;
-
- debug("bpp_to_pixfmt: %d\n", fbi->var.bits_per_pixel);
-
- if (fbi->var.nonstd)
- return fbi->var.nonstd;
-
- switch (fbi->var.bits_per_pixel) {
- case 24:
- pixfmt = IPU_PIX_FMT_BGR24;
- break;
- case 32:
- pixfmt = IPU_PIX_FMT_BGR32;
- break;
- case 16:
- pixfmt = IPU_PIX_FMT_RGB565;
- break;
- }
- return pixfmt;
-}
-
-/*
- * Set fixed framebuffer parameters based on variable settings.
- *
- * @param info framebuffer information pointer
- */
-static int mxcfb_set_fix(struct fb_info *info)
-{
- struct fb_fix_screeninfo *fix = &info->fix;
- struct fb_var_screeninfo *var = &info->var;
-
- fix->line_length = var->xres_virtual * var->bits_per_pixel / 8;
-
- fix->type = FB_TYPE_PACKED_PIXELS;
- fix->accel = FB_ACCEL_NONE;
- fix->visual = FB_VISUAL_TRUECOLOR;
- fix->xpanstep = 1;
- fix->ypanstep = 1;
-
- return 0;
-}
-
-static int setup_disp_channel1(struct fb_info *fbi)
-{
- ipu_channel_params_t params;
- struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)fbi->par;
-
- memset(¶ms, 0, sizeof(params));
- params.mem_dp_bg_sync.di = mxc_fbi->ipu_di;
-
- debug("%s called\n", __func__);
- /*
- * Assuming interlaced means yuv output, below setting also
- * valid for mem_dc_sync. FG should have the same vmode as BG.
- */
- if (fbi->var.vmode & FB_VMODE_INTERLACED) {
- params.mem_dp_bg_sync.interlaced = 1;
- params.mem_dp_bg_sync.out_pixel_fmt =
- IPU_PIX_FMT_YUV444;
- } else {
- if (mxc_fbi->ipu_di_pix_fmt) {
- params.mem_dp_bg_sync.out_pixel_fmt =
- mxc_fbi->ipu_di_pix_fmt;
- } else {
- params.mem_dp_bg_sync.out_pixel_fmt =
- IPU_PIX_FMT_RGB666;
- }
- }
- params.mem_dp_bg_sync.in_pixel_fmt = bpp_to_pixfmt(fbi);
- if (mxc_fbi->alpha_chan_en)
- params.mem_dp_bg_sync.alpha_chan_en = 1;
-
- ipu_init_channel(mxc_fbi->ipu_ch, ¶ms);
-
- return 0;
-}
-
-static int setup_disp_channel2(struct fb_info *fbi)
-{
- int retval = 0;
- struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)fbi->par;
-
- mxc_fbi->cur_ipu_buf = 1;
- if (mxc_fbi->alpha_chan_en)
- mxc_fbi->cur_ipu_alpha_buf = 1;
-
- fbi->var.xoffset = fbi->var.yoffset = 0;
-
- debug("%s: %x %d %d %d %lx %lx\n",
- __func__,
- mxc_fbi->ipu_ch,
- fbi->var.xres,
- fbi->var.yres,
- fbi->fix.line_length,
- fbi->fix.smem_start,
- fbi->fix.smem_start +
- (fbi->fix.line_length * fbi->var.yres));
-
- retval = ipu_init_channel_buffer(mxc_fbi->ipu_ch, IPU_INPUT_BUFFER,
- bpp_to_pixfmt(fbi),
- fbi->var.xres, fbi->var.yres,
- fbi->fix.line_length,
- fbi->fix.smem_start +
- (fbi->fix.line_length * fbi->var.yres),
- fbi->fix.smem_start,
- 0, 0);
- if (retval)
- printf("ipu_init_channel_buffer error %d\n", retval);
-
- return retval;
-}
-
-/*
- * Set framebuffer parameters and change the operating mode.
- *
- * @param info framebuffer information pointer
- */
-static int mxcfb_set_par(struct fb_info *fbi)
-{
- int retval = 0;
- u32 mem_len;
- ipu_di_signal_cfg_t sig_cfg;
- struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)fbi->par;
- uint32_t out_pixel_fmt;
-
- ipu_disable_channel(mxc_fbi->ipu_ch);
- ipu_uninit_channel(mxc_fbi->ipu_ch);
- mxcfb_set_fix(fbi);
-
- mem_len = fbi->var.yres_virtual * fbi->fix.line_length;
- if (!fbi->fix.smem_start || (mem_len > fbi->fix.smem_len)) {
- if (fbi->fix.smem_start)
- mxcfb_unmap_video_memory(fbi);
-
- if (mxcfb_map_video_memory(fbi) < 0)
- return -ENOMEM;
- }
-
- setup_disp_channel1(fbi);
-
- memset(&sig_cfg, 0, sizeof(sig_cfg));
- if (fbi->var.vmode & FB_VMODE_INTERLACED) {
- sig_cfg.interlaced = 1;
- out_pixel_fmt = IPU_PIX_FMT_YUV444;
- } else {
- if (mxc_fbi->ipu_di_pix_fmt)
- out_pixel_fmt = mxc_fbi->ipu_di_pix_fmt;
- else
- out_pixel_fmt = IPU_PIX_FMT_RGB666;
- }
- if (fbi->var.vmode & FB_VMODE_ODD_FLD_FIRST) /* PAL */
- sig_cfg.odd_field_first = 1;
- if ((fbi->var.sync & FB_SYNC_EXT) || ext_clk_used)
- sig_cfg.ext_clk = 1;
- if (fbi->var.sync & FB_SYNC_HOR_HIGH_ACT)
- sig_cfg.Hsync_pol = 1;
- if (fbi->var.sync & FB_SYNC_VERT_HIGH_ACT)
- sig_cfg.Vsync_pol = 1;
- if (!(fbi->var.sync & FB_SYNC_CLK_LAT_FALL))
- sig_cfg.clk_pol = 1;
- if (fbi->var.sync & FB_SYNC_DATA_INVERT)
- sig_cfg.data_pol = 1;
- if (!(fbi->var.sync & FB_SYNC_OE_LOW_ACT))
- sig_cfg.enable_pol = 1;
- if (fbi->var.sync & FB_SYNC_CLK_IDLE_EN)
- sig_cfg.clkidle_en = 1;
-
- debug("pixclock = %lu Hz\n", PICOS2KHZ(fbi->var.pixclock) * 1000UL);
-
- if (ipu_init_sync_panel(mxc_fbi->ipu_di,
- (PICOS2KHZ(fbi->var.pixclock)) * 1000UL,
- fbi->var.xres, fbi->var.yres,
- out_pixel_fmt,
- fbi->var.left_margin,
- fbi->var.hsync_len,
- fbi->var.right_margin,
- fbi->var.upper_margin,
- fbi->var.vsync_len,
- fbi->var.lower_margin,
- 0, sig_cfg) != 0) {
- puts("mxcfb: Error initializing panel.\n");
- return -EINVAL;
- }
-
- retval = setup_disp_channel2(fbi);
- if (retval)
- return retval;
-
- if (mxc_fbi->blank == FB_BLANK_UNBLANK)
- ipu_enable_channel(mxc_fbi->ipu_ch);
-
- return retval;
-}
-
-/*
- * Check framebuffer variable parameters and adjust to valid values.
- *
- * @param var framebuffer variable parameters
- *
- * @param info framebuffer information pointer
- */
-static int mxcfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
-{
- u32 vtotal;
- u32 htotal;
-
- if (var->xres_virtual < var->xres)
- var->xres_virtual = var->xres;
- if (var->yres_virtual < var->yres)
- var->yres_virtual = var->yres;
-
- if ((var->bits_per_pixel != 32) && (var->bits_per_pixel != 24) &&
- (var->bits_per_pixel != 16) && (var->bits_per_pixel != 8))
- var->bits_per_pixel = default_bpp;
-
- switch (var->bits_per_pixel) {
- case 8:
- var->red.length = 3;
- var->red.offset = 5;
- var->red.msb_right = 0;
-
- var->green.length = 3;
- var->green.offset = 2;
- var->green.msb_right = 0;
-
- var->blue.length = 2;
- var->blue.offset = 0;
- var->blue.msb_right = 0;
-
- var->transp.length = 0;
- var->transp.offset = 0;
- var->transp.msb_right = 0;
- break;
- case 16:
- var->red.length = 5;
- var->red.offset = 11;
- var->red.msb_right = 0;
-
- var->green.length = 6;
- var->green.offset = 5;
- var->green.msb_right = 0;
-
- var->blue.length = 5;
- var->blue.offset = 0;
- var->blue.msb_right = 0;
-
- var->transp.length = 0;
- var->transp.offset = 0;
- var->transp.msb_right = 0;
- break;
- case 24:
- var->red.length = 8;
- var->red.offset = 16;
- var->red.msb_right = 0;
-
- var->green.length = 8;
- var->green.offset = 8;
- var->green.msb_right = 0;
-
- var->blue.length = 8;
- var->blue.offset = 0;
- var->blue.msb_right = 0;
-
- var->transp.length = 0;
- var->transp.offset = 0;
- var->transp.msb_right = 0;
- break;
- case 32:
- var->red.length = 8;
- var->red.offset = 16;
- var->red.msb_right = 0;
-
- var->green.length = 8;
- var->green.offset = 8;
- var->green.msb_right = 0;
-
- var->blue.length = 8;
- var->blue.offset = 0;
- var->blue.msb_right = 0;
-
- var->transp.length = 8;
- var->transp.offset = 24;
- var->transp.msb_right = 0;
- break;
- }
-
- if (var->pixclock < 1000) {
- htotal = var->xres + var->right_margin + var->hsync_len +
- var->left_margin;
- vtotal = var->yres + var->lower_margin + var->vsync_len +
- var->upper_margin;
- var->pixclock = (vtotal * htotal * 6UL) / 100UL;
- var->pixclock = KHZ2PICOS(var->pixclock);
- printf("pixclock set for 60Hz refresh = %u ps\n",
- var->pixclock);
- }
-
- var->height = -1;
- var->width = -1;
- var->grayscale = 0;
-
- return 0;
-}
-
-static int mxcfb_map_video_memory(struct fb_info *fbi)
-{
- if (fbi->fix.smem_len < fbi->var.yres_virtual * fbi->fix.line_length) {
- fbi->fix.smem_len = fbi->var.yres_virtual *
- fbi->fix.line_length;
- }
- fbi->fix.smem_len = roundup(fbi->fix.smem_len, ARCH_DMA_MINALIGN);
-
-#if CONFIG_IS_ENABLED(DM_VIDEO)
- fbi->screen_base = (char *)gd->video_bottom;
-#else
- fbi->screen_base = (char *)memalign(ARCH_DMA_MINALIGN,
- fbi->fix.smem_len);
-#endif
-
- fbi->fix.smem_start = (unsigned long)fbi->screen_base;
- if (fbi->screen_base == 0) {
- puts("Unable to allocate framebuffer memory\n");
- fbi->fix.smem_len = 0;
- fbi->fix.smem_start = 0;
- return -EBUSY;
- }
-
- debug("allocated fb @ paddr=0x%08X, size=%d.\n",
- (uint32_t) fbi->fix.smem_start, fbi->fix.smem_len);
-
- fbi->screen_size = fbi->fix.smem_len;
-
-#if CONFIG_IS_ENABLED(VIDEO)
- gd->fb_base = fbi->fix.smem_start;
-#endif
-
- /* Clear the screen */
- memset((char *)fbi->screen_base, 0, fbi->fix.smem_len);
-
- return 0;
-}
-
-static int mxcfb_unmap_video_memory(struct fb_info *fbi)
-{
- fbi->screen_base = 0;
- fbi->fix.smem_start = 0;
- fbi->fix.smem_len = 0;
- return 0;
-}
-
-/*
- * Initializes the framebuffer information pointer. After allocating
- * sufficient memory for the framebuffer structure, the fields are
- * filled with custom information passed in from the configurable
- * structures. This includes information such as bits per pixel,
- * color maps, screen width/height and RGBA offsets.
- *
- * @return Framebuffer structure initialized with our information
- */
-static struct fb_info *mxcfb_init_fbinfo(void)
-{
-#define BYTES_PER_LONG 4
-#define PADDING (BYTES_PER_LONG - (sizeof(struct fb_info) % BYTES_PER_LONG))
- struct fb_info *fbi;
- struct mxcfb_info *mxcfbi;
- char *p;
- int size = sizeof(struct mxcfb_info) + PADDING +
- sizeof(struct fb_info);
-
- debug("%s: %d %d %d %d\n",
- __func__,
- PADDING,
- size,
- sizeof(struct mxcfb_info),
- sizeof(struct fb_info));
- /*
- * Allocate sufficient memory for the fb structure
- */
-
- p = malloc(size);
- if (!p)
- return NULL;
-
- memset(p, 0, size);
-
- fbi = (struct fb_info *)p;
- fbi->par = p + sizeof(struct fb_info) + PADDING;
-
- mxcfbi = (struct mxcfb_info *)fbi->par;
- debug("Framebuffer structures at: fbi=0x%x mxcfbi=0x%x\n",
- (unsigned int)fbi, (unsigned int)mxcfbi);
-
- fbi->var.activate = FB_ACTIVATE_NOW;
-
- fbi->flags = FBINFO_FLAG_DEFAULT;
- fbi->pseudo_palette = mxcfbi->pseudo_palette;
-
- return fbi;
-}
-
-/*
- * Probe routine for the framebuffer driver. It is called during the
- * driver binding process. The following functions are performed in
- * this routine: Framebuffer initialization, Memory allocation and
- * mapping, Framebuffer registration, IPU initialization.
- *
- * @return Appropriate error code to the kernel common code
- */
-static int mxcfb_probe(u32 interface_pix_fmt, uint8_t disp,
- struct fb_videomode const *mode)
-{
- struct fb_info *fbi;
- struct mxcfb_info *mxcfbi;
- int ret = 0;
-
- /*
- * Initialize FB structures
- */
- fbi = mxcfb_init_fbinfo();
- if (!fbi) {
- ret = -ENOMEM;
- goto err0;
- }
- mxcfbi = (struct mxcfb_info *)fbi->par;
-
- if (!g_dp_in_use) {
- mxcfbi->ipu_ch = MEM_BG_SYNC;
- mxcfbi->blank = FB_BLANK_UNBLANK;
- } else {
- mxcfbi->ipu_ch = MEM_DC_SYNC;
- mxcfbi->blank = FB_BLANK_POWERDOWN;
- }
-
- mxcfbi->ipu_di = disp;
-
- ipu_disp_set_global_alpha(mxcfbi->ipu_ch, 1, 0x80);
- ipu_disp_set_color_key(mxcfbi->ipu_ch, 0, 0);
- strcpy(fbi->fix.id, "DISP3 BG");
-
- g_dp_in_use = 1;
-
- mxcfb_info[mxcfbi->ipu_di] = fbi;
-
- /* Need dummy values until real panel is configured */
-
- mxcfbi->ipu_di_pix_fmt = interface_pix_fmt;
- fb_videomode_to_var(&fbi->var, mode);
- fbi->var.bits_per_pixel = 16;
- fbi->fix.line_length = fbi->var.xres * (fbi->var.bits_per_pixel / 8);
- fbi->fix.smem_len = fbi->var.yres_virtual * fbi->fix.line_length;
-
- mxcfb_check_var(&fbi->var, fbi);
-
- /* Default Y virtual size is 2x panel size */
- fbi->var.yres_virtual = fbi->var.yres * 2;
-
- mxcfb_set_fix(fbi);
-
- /* allocate fb first */
- if (mxcfb_map_video_memory(fbi) < 0)
- return -ENOMEM;
-
- mxcfb_set_par(fbi);
-
- panel.winSizeX = mode->xres;
- panel.winSizeY = mode->yres;
- panel.plnSizeX = mode->xres;
- panel.plnSizeY = mode->yres;
-
- panel.frameAdrs = (u32)fbi->screen_base;
- panel.memSize = fbi->screen_size;
-
- panel.gdfBytesPP = 2;
- panel.gdfIndex = GDF_16BIT_565RGB;
-
- ipu_dump_registers();
-
- return 0;
-
-err0:
- return ret;
-}
-
-void ipuv3_fb_shutdown(void)
-{
- int i;
- struct ipu_stat *stat = (struct ipu_stat *)IPU_STAT;
-
- if (!ipu_clk_enabled())
- return;
-
- for (i = 0; i < ARRAY_SIZE(mxcfb_info); i++) {
- struct fb_info *fbi = mxcfb_info[i];
- if (fbi) {
- struct mxcfb_info *mxc_fbi = fbi->par;
- ipu_disable_channel(mxc_fbi->ipu_ch);
- ipu_uninit_channel(mxc_fbi->ipu_ch);
- }
- }
- for (i = 0; i < ARRAY_SIZE(stat->int_stat); i++) {
- __raw_writel(__raw_readl(&stat->int_stat[i]),
- &stat->int_stat[i]);
- }
-}
-
-void *video_hw_init(void)
-{
- int ret;
-
- ret = ipu_probe();
- if (ret)
- puts("Error initializing IPU\n");
-
- ret = mxcfb_probe(gpixfmt, gdisp, gmode);
- debug("Framebuffer at 0x%x\n", (unsigned int)panel.frameAdrs);
-
- return (void *)&panel;
-}
-
-int ipuv3_fb_init(struct fb_videomode const *mode,
- uint8_t disp,
- uint32_t pixfmt)
-{
- gmode = mode;
- gdisp = disp;
- gpixfmt = pixfmt;
-
- return 0;
-}
-
-#if CONFIG_IS_ENABLED(DM_VIDEO)
-enum {
- /* Maximum display size we support */
- LCD_MAX_WIDTH = 1920,
- LCD_MAX_HEIGHT = 1080,
- LCD_MAX_LOG2_BPP = VIDEO_BPP16,
-};
-
-static int ipuv3_video_probe(struct udevice *dev)
-{
- struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
- struct video_priv *uc_priv = dev_get_uclass_priv(dev);
- u32 fb_start, fb_end;
- int ret;
-
- debug("%s() plat: base 0x%lx, size 0x%x\n",
- __func__, plat->base, plat->size);
-
- ret = ipu_probe();
- if (ret)
- return ret;
-
- ret = ipu_displays_init();
- if (ret < 0)
- return ret;
-
- ret = mxcfb_probe(gpixfmt, gdisp, gmode);
- if (ret < 0)
- return ret;
-
- uc_priv->xsize = gmode->xres;
- uc_priv->ysize = gmode->yres;
- uc_priv->bpix = LCD_MAX_LOG2_BPP;
-
- /* Enable dcache for the frame buffer */
- fb_start = plat->base & ~(MMU_SECTION_SIZE - 1);
- fb_end = plat->base + plat->size;
- fb_end = ALIGN(fb_end, 1 << MMU_SECTION_SHIFT);
- mmu_set_region_dcache_behaviour(fb_start, fb_end - fb_start,
- DCACHE_WRITEBACK);
- video_set_flush_dcache(dev, true);
-
- return 0;
-}
-
-struct ipuv3_video_priv {
- ulong regs;
-};
-
-static int ipuv3_video_bind(struct udevice *dev)
-{
- struct video_uc_platdata *plat = dev_get_uclass_platdata(dev);
-
- plat->size = LCD_MAX_WIDTH * LCD_MAX_HEIGHT *
- (1 << LCD_MAX_LOG2_BPP) / 8;
-
- return 0;
-}
-
-static const struct udevice_id ipuv3_video_ids[] = {
- { .compatible = "fsl,imx6q-ipu" },
- { }
-};
-
-U_BOOT_DRIVER(ipuv3_video) = {
- .name = "ipuv3_video",
- .id = UCLASS_VIDEO,
- .of_match = ipuv3_video_ids,
- .bind = ipuv3_video_bind,
- .probe = ipuv3_video_probe,
- .priv_auto_alloc_size = sizeof(struct ipuv3_video_priv),
- .flags = DM_FLAG_PRE_RELOC,
-};
-#endif /* CONFIG_DM_VIDEO */
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Porting to u-boot:
- *
- * (C) Copyright 2010
- * Stefano Babic, DENX Software Engineering, sbabic@denx.de
- *
- * Linux IPU driver for MX51:
- *
- * (C) Copyright 2004-2009 Freescale Semiconductor, Inc.
- */
-
-#ifndef __ASM_ARCH_MXCFB_H__
-#define __ASM_ARCH_MXCFB_H__
-
-#define FB_SYNC_OE_LOW_ACT 0x80000000
-#define FB_SYNC_CLK_LAT_FALL 0x40000000
-#define FB_SYNC_DATA_INVERT 0x20000000
-#define FB_SYNC_CLK_IDLE_EN 0x10000000
-#define FB_SYNC_SHARP_MODE 0x08000000
-#define FB_SYNC_SWAP_RGB 0x04000000
-
-struct mxcfb_gbl_alpha {
- int enable;
- int alpha;
-};
-
-struct mxcfb_loc_alpha {
- int enable;
- int alpha_in_pixel;
- unsigned long alpha_phy_addr0;
- unsigned long alpha_phy_addr1;
-};
-
-struct mxcfb_color_key {
- int enable;
- __u32 color_key;
-};
-
-struct mxcfb_pos {
- __u16 x;
- __u16 y;
-};
-
-struct mxcfb_gamma {
- int enable;
- int constk[16];
- int slopek[16];
-};
-
-#endif
projects / oweals / u-boot.git / commitdiff