+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2012 Samsung Electronics
* R. Chandrasekar <rcsekar@samsung.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
*/
-#include <asm/arch/clk.h>
-#include <asm/arch/cpu.h>
-#include <asm/gpio.h>
-#include <asm/io.h>
#include <common.h>
+#include <audio_codec.h>
+#include <dm.h>
#include <div64.h>
#include <fdtdec.h>
#include <i2c.h>
#include <i2s.h>
#include <sound.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/cpu.h>
#include <asm/arch/sound.h>
#include "wm8994.h"
#include "wm8994_registers.h"
int mclk[WM8994_MAX_AIF]; /* master clock frequency in Hz */
int aifclk[WM8994_MAX_AIF]; /* audio interface clock in Hz */
struct wm8994_fll_config fll[2]; /* fll config to configure fll */
+ struct udevice *dev;
};
/* wm 8994 supported sampling rate values */
640, 880, 960, 1280, 1760, 1920
};
-static struct wm8994_priv g_wm8994_info;
-static unsigned char g_wm8994_i2c_dev_addr;
-static struct sound_codec_info g_codec_info;
-
-/*
- * Initialise I2C for wm 8994
- *
- * @param bus no i2c bus number in which wm8994 is connected
- */
-static void wm8994_i2c_init(int bus_no)
-{
- i2c_set_bus_num(bus_no);
-}
-
/*
* Writes value to a device register through i2c
*
+ * @param priv Private data for driver
* @param reg reg number to be write
* @param data data to be writen to the above registor
*
* @return int value 1 for change, 0 for no change or negative error code.
*/
-static int wm8994_i2c_write(unsigned int reg, unsigned short data)
+static int wm8994_i2c_write(struct wm8994_priv *priv, unsigned int reg,
+ unsigned short data)
{
unsigned char val[2];
val[1] = (unsigned char)(data & 0xff);
debug("Write Addr : 0x%04X, Data : 0x%04X\n", reg, data);
- return i2c_write(g_wm8994_i2c_dev_addr, reg, 2, val, 2);
+ return dm_i2c_write(priv->dev, reg, val, 2);
}
/*
* Read a value from a device register through i2c
*
+ * @param priv Private data for driver
* @param reg reg number to be read
* @param data address of read data to be stored
*
* @return int value 0 for success, -1 in case of error.
*/
-static unsigned int wm8994_i2c_read(unsigned int reg , unsigned short *data)
+static unsigned int wm8994_i2c_read(struct wm8994_priv *priv, unsigned int reg,
+ unsigned short *data)
{
unsigned char val[2];
int ret;
- ret = i2c_read(g_wm8994_i2c_dev_addr, reg, 2, val, 2);
+ ret = dm_i2c_read(priv->dev, reg, val, 1);
if (ret != 0) {
debug("%s: Error while reading register %#04x\n",
__func__, reg);
/*
* update device register bits through i2c
*
+ * @param priv Private data for driver
* @param reg codec register
* @param mask register mask
* @param value new value
* @return int value 1 if change in the register value,
* 0 for no change or negative error code.
*/
-static int wm8994_update_bits(unsigned int reg, unsigned short mask,
- unsigned short value)
+static int wm8994_bic_or(struct wm8994_priv *priv, unsigned int reg,
+ unsigned short mask, unsigned short value)
{
int change , ret = 0;
unsigned short old, new;
- if (wm8994_i2c_read(reg, &old) != 0)
+ if (wm8994_i2c_read(priv, reg, &old) != 0)
return -1;
new = (old & ~mask) | (value & mask);
change = (old != new) ? 1 : 0;
if (change)
- ret = wm8994_i2c_write(reg, new);
+ ret = wm8994_i2c_write(priv, reg, new);
if (ret < 0)
return ret;
/*
* Sets i2s set format
*
+ * @param priv wm8994 information
* @param aif_id Interface ID
* @param fmt i2S format
*
* @return -1 for error and 0 Success.
*/
-int wm8994_set_fmt(int aif_id, unsigned int fmt)
+static int wm8994_set_fmt(struct wm8994_priv *priv, int aif_id, uint fmt)
{
int ms_reg;
int aif_reg;
return -1;
}
- error = wm8994_update_bits(aif_reg, WM8994_AIF1_BCLK_INV |
- WM8994_AIF1_LRCLK_INV_MASK | WM8994_AIF1_FMT_MASK, aif);
+ error = wm8994_bic_or(priv, aif_reg, WM8994_AIF1_BCLK_INV |
+ WM8994_AIF1_LRCLK_INV_MASK |
+ WM8994_AIF1_FMT_MASK, aif);
- error |= wm8994_update_bits(ms_reg, WM8994_AIF1_MSTR_MASK, ms);
- error |= wm8994_update_bits(aif_clk, WM8994_AIF1CLK_ENA_MASK,
- WM8994_AIF1CLK_ENA);
+ error |= wm8994_bic_or(priv, ms_reg, WM8994_AIF1_MSTR_MASK, ms);
+ error |= wm8994_bic_or(priv, aif_clk, WM8994_AIF1CLK_ENA_MASK,
+ WM8994_AIF1CLK_ENA);
if (error < 0) {
debug("%s: codec register access error\n", __func__);
return -1;
/*
* Sets hw params FOR WM8994
*
- * @param wm8994 wm8994 information pointer
+ * @param priv wm8994 information pointer
* @param aif_id Audio interface ID
* @param sampling_rate Sampling rate
* @param bits_per_sample Bits per sample
*
* @return -1 for error and 0 Success.
*/
-static int wm8994_hw_params(struct wm8994_priv *wm8994, int aif_id,
- unsigned int sampling_rate, unsigned int bits_per_sample,
- unsigned int channels)
+static int wm8994_hw_params(struct wm8994_priv *priv, int aif_id,
+ uint sampling_rate, uint bits_per_sample,
+ uint channels)
{
int aif1_reg;
int aif2_reg;
/* AIFCLK/fs ratio; look for a close match in either direction */
best = 0;
- best_val = abs((fs_ratios[0] * sampling_rate)
- - wm8994->aifclk[id]);
+ best_val = abs((fs_ratios[0] * sampling_rate) - priv->aifclk[id]);
for (i = 1; i < ARRAY_SIZE(fs_ratios); i++) {
- cur_val = abs((fs_ratios[i] * sampling_rate)
- - wm8994->aifclk[id]);
+ cur_val = abs(fs_ratios[i] * sampling_rate - priv->aifclk[id]);
if (cur_val >= best_val)
continue;
best = i;
*/
best = 0;
for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) {
- cur_val = (wm8994->aifclk[id] * 10 / bclk_divs[i]) - bclk_rate;
+ cur_val = (priv->aifclk[id] * 10 / bclk_divs[i]) - bclk_rate;
if (cur_val < 0) /* BCLK table is sorted */
break;
best = i;
return -1;
}
- bclk_rate = wm8994->aifclk[id] * 10 / bclk_divs[best];
+ bclk_rate = priv->aifclk[id] * 10 / bclk_divs[best];
bclk |= best << WM8994_AIF1_BCLK_DIV_SHIFT;
- if (wm8994_i2c_read(aif1_reg, ®_data) != 0) {
+ if (wm8994_i2c_read(priv, aif1_reg, ®_data) != 0) {
debug("%s: AIF1 register read Failed\n", __func__);
return -1;
}
if ((channels == 1) && ((reg_data & 0x18) == 0x18))
aif2 |= WM8994_AIF1_MONO;
- if (wm8994->aifclk[id] == 0) {
+ if (priv->aifclk[id] == 0) {
debug("%s:Audio interface clock not set\n", __func__);
return -1;
}
- ret = wm8994_update_bits(aif1_reg, WM8994_AIF1_WL_MASK, aif1);
- ret |= wm8994_update_bits(aif2_reg, WM8994_AIF1_MONO, aif2);
- ret |= wm8994_update_bits(bclk_reg, WM8994_AIF1_BCLK_DIV_MASK, bclk);
- ret |= wm8994_update_bits(rate_reg, WM8994_AIF1_SR_MASK |
- WM8994_AIF1CLK_RATE_MASK, rate_val);
+ ret = wm8994_bic_or(priv, aif1_reg, WM8994_AIF1_WL_MASK, aif1);
+ ret |= wm8994_bic_or(priv, aif2_reg, WM8994_AIF1_MONO, aif2);
+ ret |= wm8994_bic_or(priv, bclk_reg, WM8994_AIF1_BCLK_DIV_MASK,
+ bclk);
+ ret |= wm8994_bic_or(priv, rate_reg, WM8994_AIF1_SR_MASK |
+ WM8994_AIF1CLK_RATE_MASK, rate_val);
debug("rate vale = %x , bclk val= %x\n", rate_val, bclk);
/*
* Configures Audio interface Clock
*
- * @param wm8994 wm8994 information pointer
+ * @param priv wm8994 information pointer
* @param aif Audio Interface ID
*
* @return -1 for error and 0 Success.
*/
-static int configure_aif_clock(struct wm8994_priv *wm8994, int aif)
+static int configure_aif_clock(struct wm8994_priv *priv, int aif)
{
int rate;
int reg1 = 0;
int ret;
/* AIF(1/0) register adress offset calculated */
- if (aif)
+ if (aif-1)
offset = 4;
else
offset = 0;
- switch (wm8994->sysclk[aif]) {
+ switch (priv->sysclk[aif - 1]) {
case WM8994_SYSCLK_MCLK1:
reg1 |= SEL_MCLK1;
- rate = wm8994->mclk[0];
+ rate = priv->mclk[0];
break;
case WM8994_SYSCLK_MCLK2:
reg1 |= SEL_MCLK2;
- rate = wm8994->mclk[1];
+ rate = priv->mclk[1];
break;
case WM8994_SYSCLK_FLL1:
reg1 |= SEL_FLL1;
- rate = wm8994->fll[0].out;
+ rate = priv->fll[0].out;
break;
case WM8994_SYSCLK_FLL2:
reg1 |= SEL_FLL2;
- rate = wm8994->fll[1].out;
+ rate = priv->fll[1].out;
break;
default:
debug("%s: Invalid input clock selection [%d]\n",
- __func__, wm8994->sysclk[aif]);
+ __func__, priv->sysclk[aif - 1]);
return -1;
}
reg1 |= WM8994_AIF1CLK_DIV;
}
- wm8994->aifclk[aif] = rate;
+ priv->aifclk[aif - 1] = rate;
- ret = wm8994_update_bits(WM8994_AIF1_CLOCKING_1 + offset,
- WM8994_AIF1CLK_SRC_MASK | WM8994_AIF1CLK_DIV,
- reg1);
+ ret = wm8994_bic_or(priv, WM8994_AIF1_CLOCKING_1 + offset,
+ WM8994_AIF1CLK_SRC_MASK | WM8994_AIF1CLK_DIV,
+ reg1);
- ret |= wm8994_update_bits(WM8994_CLOCKING_1,
+ if (aif == WM8994_AIF1)
+ ret |= wm8994_bic_or(priv, WM8994_CLOCKING_1,
+ WM8994_AIF1DSPCLK_ENA_MASK | WM8994_SYSDSPCLK_ENA_MASK,
+ WM8994_AIF1DSPCLK_ENA | WM8994_SYSDSPCLK_ENA);
+ else if (aif == WM8994_AIF2)
+ ret |= wm8994_bic_or(priv, WM8994_CLOCKING_1,
WM8994_SYSCLK_SRC | WM8994_AIF2DSPCLK_ENA_MASK |
WM8994_SYSDSPCLK_ENA_MASK, WM8994_SYSCLK_SRC |
WM8994_AIF2DSPCLK_ENA | WM8994_SYSDSPCLK_ENA);
/*
* Configures Audio interface for the given frequency
*
- * @param wm8994 wm8994 information
+ * @param priv wm8994 information
* @param aif_id Audio Interface
* @param clk_id Input Clock ID
* @param freq Sampling frequency in Hz
*
* @return -1 for error and 0 success.
*/
-static int wm8994_set_sysclk(struct wm8994_priv *wm8994, int aif_id,
- int clk_id, unsigned int freq)
+static int wm8994_set_sysclk(struct wm8994_priv *priv, int aif_id, int clk_id,
+ unsigned int freq)
{
int i;
int ret = 0;
- wm8994->sysclk[aif_id - 1] = clk_id;
+ priv->sysclk[aif_id - 1] = clk_id;
switch (clk_id) {
case WM8994_SYSCLK_MCLK1:
- wm8994->mclk[0] = freq;
+ priv->mclk[0] = freq;
if (aif_id == 2) {
- ret = wm8994_update_bits(WM8994_AIF1_CLOCKING_2 ,
- WM8994_AIF2DAC_DIV_MASK , 0);
+ ret = wm8994_bic_or(priv, WM8994_AIF1_CLOCKING_2,
+ WM8994_AIF2DAC_DIV_MASK, 0);
}
break;
case WM8994_SYSCLK_MCLK2:
/* TODO: Set GPIO AF */
- wm8994->mclk[1] = freq;
+ priv->mclk[1] = freq;
break;
case WM8994_SYSCLK_FLL1:
break;
if (i == ARRAY_SIZE(opclk_divs)) {
debug("%s frequency divisor not found\n",
- __func__);
+ __func__);
return -1;
}
- ret = wm8994_update_bits(WM8994_CLOCKING_2,
+ ret = wm8994_bic_or(priv, WM8994_CLOCKING_2,
WM8994_OPCLK_DIV_MASK, i);
- ret |= wm8994_update_bits(WM8994_POWER_MANAGEMENT_2,
- WM8994_OPCLK_ENA, WM8994_OPCLK_ENA);
+ ret |= wm8994_bic_or(priv, WM8994_POWER_MANAGEMENT_2,
+ WM8994_OPCLK_ENA,
+ WM8994_OPCLK_ENA);
} else {
- ret |= wm8994_update_bits(WM8994_POWER_MANAGEMENT_2,
- WM8994_OPCLK_ENA, 0);
+ ret |= wm8994_bic_or(priv, WM8994_POWER_MANAGEMENT_2,
+ WM8994_OPCLK_ENA, 0);
}
default:
return -1;
}
- ret |= configure_aif_clock(wm8994, aif_id - 1);
+ ret |= configure_aif_clock(priv, aif_id);
if (ret < 0) {
debug("%s: codec register access error\n", __func__);
/*
* Initializes Volume for AIF2 to HP path
*
+ * @param priv wm8994 information
* @returns -1 for error and 0 Success.
*
*/
-static int wm8994_init_volume_aif2_dac1(void)
+static int wm8994_init_volume_aif2_dac1(struct wm8994_priv *priv)
{
int ret;
/* Unmute AIF2DAC */
- ret = wm8994_update_bits(WM8994_AIF2_DAC_FILTERS_1,
- WM8994_AIF2DAC_MUTE_MASK, 0);
+ ret = wm8994_bic_or(priv, WM8994_AIF2_DAC_FILTERS_1,
+ WM8994_AIF2DAC_MUTE_MASK, 0);
- ret |= wm8994_update_bits(WM8994_AIF2_DAC_LEFT_VOLUME,
- WM8994_AIF2DAC_VU_MASK | WM8994_AIF2DACL_VOL_MASK,
- WM8994_AIF2DAC_VU | 0xff);
+ ret |= wm8994_bic_or(priv, WM8994_AIF2_DAC_LEFT_VOLUME,
+ WM8994_AIF2DAC_VU_MASK | WM8994_AIF2DACL_VOL_MASK,
+ WM8994_AIF2DAC_VU | 0xff);
- ret |= wm8994_update_bits(WM8994_AIF2_DAC_RIGHT_VOLUME,
- WM8994_AIF2DAC_VU_MASK | WM8994_AIF2DACR_VOL_MASK,
- WM8994_AIF2DAC_VU | 0xff);
+ ret |= wm8994_bic_or(priv, WM8994_AIF2_DAC_RIGHT_VOLUME,
+ WM8994_AIF2DAC_VU_MASK | WM8994_AIF2DACR_VOL_MASK,
+ WM8994_AIF2DAC_VU | 0xff);
- ret |= wm8994_update_bits(WM8994_DAC1_LEFT_VOLUME,
- WM8994_DAC1_VU_MASK | WM8994_DAC1L_VOL_MASK |
- WM8994_DAC1L_MUTE_MASK, WM8994_DAC1_VU | 0xc0);
+ ret |= wm8994_bic_or(priv, WM8994_DAC1_LEFT_VOLUME,
+ WM8994_DAC1_VU_MASK | WM8994_DAC1L_VOL_MASK |
+ WM8994_DAC1L_MUTE_MASK, WM8994_DAC1_VU | 0xc0);
- ret |= wm8994_update_bits(WM8994_DAC1_RIGHT_VOLUME,
- WM8994_DAC1_VU_MASK | WM8994_DAC1R_VOL_MASK |
- WM8994_DAC1R_MUTE_MASK, WM8994_DAC1_VU | 0xc0);
+ ret |= wm8994_bic_or(priv, WM8994_DAC1_RIGHT_VOLUME,
+ WM8994_DAC1_VU_MASK | WM8994_DAC1R_VOL_MASK |
+ WM8994_DAC1R_MUTE_MASK, WM8994_DAC1_VU | 0xc0);
/* Head Phone Volume */
- ret |= wm8994_i2c_write(WM8994_LEFT_OUTPUT_VOLUME, 0x12D);
- ret |= wm8994_i2c_write(WM8994_RIGHT_OUTPUT_VOLUME, 0x12D);
+ ret |= wm8994_i2c_write(priv, WM8994_LEFT_OUTPUT_VOLUME, 0x12D);
+ ret |= wm8994_i2c_write(priv, WM8994_RIGHT_OUTPUT_VOLUME, 0x12D);
+
+ if (ret < 0) {
+ debug("%s: codec register access error\n", __func__);
+ return -1;
+ }
+
+ return 0;
+}
+
+/*
+ * Initializes Volume for AIF1 to HP path
+ *
+ * @param priv wm8994 information
+ * @returns -1 for error and 0 Success.
+ *
+ */
+static int wm8994_init_volume_aif1_dac1(struct wm8994_priv *priv)
+{
+ int ret = 0;
+
+ /* Unmute AIF1DAC */
+ ret |= wm8994_i2c_write(priv, WM8994_AIF1_DAC_FILTERS_1, 0x0000);
+
+ ret |= wm8994_bic_or(priv, WM8994_DAC1_LEFT_VOLUME,
+ WM8994_DAC1_VU_MASK | WM8994_DAC1L_VOL_MASK |
+ WM8994_DAC1L_MUTE_MASK, WM8994_DAC1_VU | 0xc0);
+
+ ret |= wm8994_bic_or(priv, WM8994_DAC1_RIGHT_VOLUME,
+ WM8994_DAC1_VU_MASK | WM8994_DAC1R_VOL_MASK |
+ WM8994_DAC1R_MUTE_MASK, WM8994_DAC1_VU | 0xc0);
+ /* Head Phone Volume */
+ ret |= wm8994_i2c_write(priv, WM8994_LEFT_OUTPUT_VOLUME, 0x12D);
+ ret |= wm8994_i2c_write(priv, WM8994_RIGHT_OUTPUT_VOLUME, 0x12D);
if (ret < 0) {
debug("%s: codec register access error\n", __func__);
/*
* Intialise wm8994 codec device
*
- * @param wm8994 wm8994 information
+ * @param priv wm8994 information
*
* @returns -1 for error and 0 Success.
*/
-static int wm8994_device_init(struct wm8994_priv *wm8994)
+static int wm8994_device_init(struct wm8994_priv *priv)
{
const char *devname;
unsigned short reg_data;
int ret;
- wm8994_i2c_write(WM8994_SOFTWARE_RESET, WM8994_SW_RESET);/* Reset */
+ wm8994_i2c_write(priv, WM8994_SOFTWARE_RESET, WM8994_SW_RESET);
- ret = wm8994_i2c_read(WM8994_SOFTWARE_RESET, ®_data);
+ ret = wm8994_i2c_read(priv, WM8994_SOFTWARE_RESET, ®_data);
if (ret < 0) {
debug("Failed to read ID register\n");
- goto err;
+ return ret;
}
if (reg_data == WM8994_ID) {
devname = "WM8994";
- debug("Device registered as type %d\n", wm8994->type);
- wm8994->type = WM8994;
+ debug("Device registered as type %d\n", priv->type);
+ priv->type = WM8994;
} else {
debug("Device is not a WM8994, ID is %x\n", ret);
- ret = -1;
- goto err;
+ return -ENXIO;
}
- ret = wm8994_i2c_read(WM8994_CHIP_REVISION, ®_data);
+ ret = wm8994_i2c_read(priv, WM8994_CHIP_REVISION, ®_data);
if (ret < 0) {
debug("Failed to read revision register: %d\n", ret);
- goto err;
+ return ret;
}
- wm8994->revision = reg_data;
- debug("%s revision %c\n", devname, 'A' + wm8994->revision);
+ priv->revision = reg_data;
+ debug("%s revision %c\n", devname, 'A' + priv->revision);
+
+ return 0;
+}
+
+static int wm8994_setup_interface(struct wm8994_priv *priv,
+ enum en_audio_interface aif_id)
+{
+ int ret;
/* VMID Selection */
- ret |= wm8994_update_bits(WM8994_POWER_MANAGEMENT_1,
- WM8994_VMID_SEL_MASK | WM8994_BIAS_ENA_MASK, 0x3);
+ ret = wm8994_bic_or(priv, WM8994_POWER_MANAGEMENT_1,
+ WM8994_VMID_SEL_MASK | WM8994_BIAS_ENA_MASK, 0x3);
/* Charge Pump Enable */
- ret |= wm8994_update_bits(WM8994_CHARGE_PUMP_1, WM8994_CP_ENA_MASK,
- WM8994_CP_ENA);
+ ret |= wm8994_bic_or(priv, WM8994_CHARGE_PUMP_1, WM8994_CP_ENA_MASK,
+ WM8994_CP_ENA);
/* Head Phone Power Enable */
- ret |= wm8994_update_bits(WM8994_POWER_MANAGEMENT_1,
- WM8994_HPOUT1L_ENA_MASK, WM8994_HPOUT1L_ENA);
-
- ret |= wm8994_update_bits(WM8994_POWER_MANAGEMENT_1,
- WM8994_HPOUT1R_ENA_MASK, WM8994_HPOUT1R_ENA);
-
- /* Power enable for AIF2 and DAC1 */
- ret |= wm8994_update_bits(WM8994_POWER_MANAGEMENT_5,
- WM8994_AIF2DACL_ENA_MASK | WM8994_AIF2DACR_ENA_MASK |
- WM8994_DAC1L_ENA_MASK | WM8994_DAC1R_ENA_MASK,
- WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA | WM8994_DAC1L_ENA |
- WM8994_DAC1R_ENA);
-
+ ret |= wm8994_bic_or(priv, WM8994_POWER_MANAGEMENT_1,
+ WM8994_HPOUT1L_ENA_MASK, WM8994_HPOUT1L_ENA);
+
+ ret |= wm8994_bic_or(priv, WM8994_POWER_MANAGEMENT_1,
+ WM8994_HPOUT1R_ENA_MASK, WM8994_HPOUT1R_ENA);
+
+ if (aif_id == WM8994_AIF1) {
+ ret |= wm8994_i2c_write(priv, WM8994_POWER_MANAGEMENT_2,
+ WM8994_TSHUT_ENA | WM8994_MIXINL_ENA |
+ WM8994_MIXINR_ENA | WM8994_IN2L_ENA |
+ WM8994_IN2R_ENA);
+
+ ret |= wm8994_i2c_write(priv, WM8994_POWER_MANAGEMENT_4,
+ WM8994_ADCL_ENA | WM8994_ADCR_ENA |
+ WM8994_AIF1ADC1R_ENA |
+ WM8994_AIF1ADC1L_ENA);
+
+ /* Power enable for AIF1 and DAC1 */
+ ret |= wm8994_i2c_write(priv, WM8994_POWER_MANAGEMENT_5,
+ WM8994_AIF1DACL_ENA |
+ WM8994_AIF1DACR_ENA |
+ WM8994_DAC1L_ENA | WM8994_DAC1R_ENA);
+ } else if (aif_id == WM8994_AIF2) {
+ /* Power enable for AIF2 and DAC1 */
+ ret |= wm8994_bic_or(priv, WM8994_POWER_MANAGEMENT_5,
+ WM8994_AIF2DACL_ENA_MASK | WM8994_AIF2DACR_ENA_MASK |
+ WM8994_DAC1L_ENA_MASK | WM8994_DAC1R_ENA_MASK,
+ WM8994_AIF2DACL_ENA | WM8994_AIF2DACR_ENA |
+ WM8994_DAC1L_ENA | WM8994_DAC1R_ENA);
+ }
/* Head Phone Initialisation */
- ret |= wm8994_update_bits(WM8994_ANALOGUE_HP_1,
+ ret |= wm8994_bic_or(priv, WM8994_ANALOGUE_HP_1,
WM8994_HPOUT1L_DLY_MASK | WM8994_HPOUT1R_DLY_MASK,
WM8994_HPOUT1L_DLY | WM8994_HPOUT1R_DLY);
- ret |= wm8994_update_bits(WM8994_DC_SERVO_1,
+ ret |= wm8994_bic_or(priv, WM8994_DC_SERVO_1,
WM8994_DCS_ENA_CHAN_0_MASK |
WM8994_DCS_ENA_CHAN_1_MASK , WM8994_DCS_ENA_CHAN_0 |
WM8994_DCS_ENA_CHAN_1);
- ret |= wm8994_update_bits(WM8994_ANALOGUE_HP_1,
+ ret |= wm8994_bic_or(priv, WM8994_ANALOGUE_HP_1,
WM8994_HPOUT1L_DLY_MASK |
WM8994_HPOUT1R_DLY_MASK | WM8994_HPOUT1L_OUTP_MASK |
WM8994_HPOUT1R_OUTP_MASK |
WM8994_HPOUT1R_RMV_SHORT);
/* MIXER Config DAC1 to HP */
- ret |= wm8994_update_bits(WM8994_OUTPUT_MIXER_1,
- WM8994_DAC1L_TO_HPOUT1L_MASK, WM8994_DAC1L_TO_HPOUT1L);
-
- ret |= wm8994_update_bits(WM8994_OUTPUT_MIXER_2,
- WM8994_DAC1R_TO_HPOUT1R_MASK, WM8994_DAC1R_TO_HPOUT1R);
-
- /* Routing AIF2 to DAC1 */
- ret |= wm8994_update_bits(WM8994_DAC1_LEFT_MIXER_ROUTING,
- WM8994_AIF2DACL_TO_DAC1L_MASK,
- WM8994_AIF2DACL_TO_DAC1L);
-
- ret |= wm8994_update_bits(WM8994_DAC1_RIGHT_MIXER_ROUTING,
- WM8994_AIF2DACR_TO_DAC1R_MASK,
- WM8994_AIF2DACR_TO_DAC1R);
-
- /* GPIO Settings for AIF2 */
- /* B CLK */
- ret |= wm8994_update_bits(WM8994_GPIO_3, WM8994_GPIO_DIR_MASK |
- WM8994_GPIO_FUNCTION_MASK ,
- WM8994_GPIO_DIR_OUTPUT |
- WM8994_GPIO_FUNCTION_I2S_CLK);
-
- /* LR CLK */
- ret |= wm8994_update_bits(WM8994_GPIO_4, WM8994_GPIO_DIR_MASK |
- WM8994_GPIO_FUNCTION_MASK,
- WM8994_GPIO_DIR_OUTPUT |
- WM8994_GPIO_FUNCTION_I2S_CLK);
-
- /* DATA */
- ret |= wm8994_update_bits(WM8994_GPIO_5, WM8994_GPIO_DIR_MASK |
- WM8994_GPIO_FUNCTION_MASK,
- WM8994_GPIO_DIR_OUTPUT |
- WM8994_GPIO_FUNCTION_I2S_CLK);
-
- ret |= wm8994_init_volume_aif2_dac1();
+ ret |= wm8994_bic_or(priv, WM8994_OUTPUT_MIXER_1,
+ WM8994_DAC1L_TO_HPOUT1L_MASK,
+ WM8994_DAC1L_TO_HPOUT1L);
+
+ ret |= wm8994_bic_or(priv, WM8994_OUTPUT_MIXER_2,
+ WM8994_DAC1R_TO_HPOUT1R_MASK,
+ WM8994_DAC1R_TO_HPOUT1R);
+
+ if (aif_id == WM8994_AIF1) {
+ /* Routing AIF1 to DAC1 */
+ ret |= wm8994_i2c_write(priv, WM8994_DAC1_LEFT_MIXER_ROUTING,
+ WM8994_AIF1DAC1L_TO_DAC1L);
+
+ ret |= wm8994_i2c_write(priv, WM8994_DAC1_RIGHT_MIXER_ROUTING,
+ WM8994_AIF1DAC1R_TO_DAC1R);
+
+ /* GPIO Settings for AIF1 */
+ ret |= wm8994_i2c_write(priv, WM8994_GPIO_1,
+ WM8994_GPIO_DIR_OUTPUT |
+ WM8994_GPIO_FUNCTION_I2S_CLK |
+ WM8994_GPIO_INPUT_DEBOUNCE);
+
+ ret |= wm8994_init_volume_aif1_dac1(priv);
+ } else if (aif_id == WM8994_AIF2) {
+ /* Routing AIF2 to DAC1 */
+ ret |= wm8994_bic_or(priv, WM8994_DAC1_LEFT_MIXER_ROUTING,
+ WM8994_AIF2DACL_TO_DAC1L_MASK,
+ WM8994_AIF2DACL_TO_DAC1L);
+
+ ret |= wm8994_bic_or(priv, WM8994_DAC1_RIGHT_MIXER_ROUTING,
+ WM8994_AIF2DACR_TO_DAC1R_MASK,
+ WM8994_AIF2DACR_TO_DAC1R);
+
+ /* GPIO Settings for AIF2 */
+ /* B CLK */
+ ret |= wm8994_bic_or(priv, WM8994_GPIO_3, WM8994_GPIO_DIR_MASK |
+ WM8994_GPIO_FUNCTION_MASK,
+ WM8994_GPIO_DIR_OUTPUT);
+
+ /* LR CLK */
+ ret |= wm8994_bic_or(priv, WM8994_GPIO_4, WM8994_GPIO_DIR_MASK |
+ WM8994_GPIO_FUNCTION_MASK,
+ WM8994_GPIO_DIR_OUTPUT);
+
+ /* DATA */
+ ret |= wm8994_bic_or(priv, WM8994_GPIO_5, WM8994_GPIO_DIR_MASK |
+ WM8994_GPIO_FUNCTION_MASK,
+ WM8994_GPIO_DIR_OUTPUT);
+
+ ret |= wm8994_init_volume_aif2_dac1(priv);
+ }
+
if (ret < 0)
goto err;
- debug("%s: Codec chip init ok\n", __func__);
+ debug("%s: Codec chip setup ok\n", __func__);
return 0;
err:
- debug("%s: Codec chip init error\n", __func__);
+ debug("%s: Codec chip setup error\n", __func__);
return -1;
}
-/*
- * Gets fdt values for wm8994 config parameters
- *
- * @param pcodec_info codec information structure
- * @param blob FDT blob
- * @return int value, 0 for success
- */
-static int get_codec_values(struct sound_codec_info *pcodec_info,
- const void *blob)
+static int _wm8994_init(struct wm8994_priv *priv,
+ enum en_audio_interface aif_id, int sampling_rate,
+ int mclk_freq, int bits_per_sample,
+ unsigned int channels)
{
- int error = 0;
-#ifdef CONFIG_OF_CONTROL
- enum fdt_compat_id compat;
- int node;
- int parent;
-
- /* Get the node from FDT for codec */
- node = fdtdec_next_compatible(blob, 0, COMPAT_WOLFSON_WM8994_CODEC);
- if (node <= 0) {
- debug("EXYNOS_SOUND: No node for codec in device tree\n");
- debug("node = %d\n", node);
- return -1;
- }
+ int ret;
- parent = fdt_parent_offset(blob, node);
- if (parent < 0) {
- debug("%s: Cannot find node parent\n", __func__);
- return -1;
+ ret = wm8994_setup_interface(priv, aif_id);
+ if (ret < 0) {
+ debug("%s: wm8994 codec chip init failed\n", __func__);
+ return ret;
}
- compat = fdtdec_lookup(blob, parent);
- switch (compat) {
- case COMPAT_SAMSUNG_S3C2440_I2C:
- pcodec_info->i2c_bus = i2c_get_bus_num_fdt(parent);
- error |= pcodec_info->i2c_bus;
- debug("i2c bus = %d\n", pcodec_info->i2c_bus);
- pcodec_info->i2c_dev_addr = fdtdec_get_int(blob, node,
- "reg", 0);
- error |= pcodec_info->i2c_dev_addr;
- debug("i2c dev addr = %d\n", pcodec_info->i2c_dev_addr);
- break;
- default:
- debug("%s: Unknown compat id %d\n", __func__, compat);
- return -1;
+ ret = wm8994_set_sysclk(priv, aif_id, WM8994_SYSCLK_MCLK1, mclk_freq);
+ if (ret < 0) {
+ debug("%s: wm8994 codec set sys clock failed\n", __func__);
+ return ret;
}
-#else
- pcodec_info->i2c_bus = AUDIO_I2C_BUS;
- pcodec_info->i2c_dev_addr = AUDIO_I2C_REG;
- debug("i2c dev addr = %d\n", pcodec_info->i2c_dev_addr);
-#endif
- pcodec_info->codec_type = CODEC_WM_8994;
+ ret = wm8994_hw_params(priv, aif_id, sampling_rate, bits_per_sample,
+ channels);
- if (error == -1) {
- debug("fail to get wm8994 codec node properties\n");
- return -1;
+ if (ret == 0) {
+ ret = wm8994_set_fmt(priv, aif_id, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS);
}
- return 0;
+ return ret;
}
-/*wm8994 Device Initialisation */
-int wm8994_init(const void *blob, enum en_audio_interface aif_id,
- int sampling_rate, int mclk_freq,
- int bits_per_sample, unsigned int channels)
+static int wm8994_set_params(struct udevice *dev, int interface, int rate,
+ int mclk_freq, int bits_per_sample, uint channels)
{
- int ret = 0;
- struct sound_codec_info *pcodec_info = &g_codec_info;
+ struct wm8994_priv *priv = dev_get_priv(dev);
- /* Get the codec Values */
- if (get_codec_values(pcodec_info, blob) < 0) {
- debug("FDT Codec values failed\n");
- return -1;
- }
-
- /* shift the device address by 1 for 7 bit addressing */
- g_wm8994_i2c_dev_addr = pcodec_info->i2c_dev_addr;
- wm8994_i2c_init(pcodec_info->i2c_bus);
+ return _wm8994_init(priv, interface, rate, mclk_freq, bits_per_sample,
+ channels);
+}
- if (pcodec_info->codec_type == CODEC_WM_8994)
- g_wm8994_info.type = WM8994;
- else {
- debug("%s: Codec id [%d] not defined\n", __func__,
- pcodec_info->codec_type);
- return -1;
- }
+static int wm8994_probe(struct udevice *dev)
+{
+ struct wm8994_priv *priv = dev_get_priv(dev);
- ret = wm8994_device_init(&g_wm8994_info);
- if (ret < 0) {
- debug("%s: wm8994 codec chip init failed\n", __func__);
- return ret;
- }
+ priv->dev = dev;
+ return wm8994_device_init(priv);
+}
- ret = wm8994_set_sysclk(&g_wm8994_info, aif_id, WM8994_SYSCLK_MCLK1,
- mclk_freq);
- if (ret < 0) {
- debug("%s: wm8994 codec set sys clock failed\n", __func__);
- return ret;
- }
+static const struct audio_codec_ops wm8994_ops = {
+ .set_params = wm8994_set_params,
+};
- ret = wm8994_hw_params(&g_wm8994_info, aif_id, sampling_rate,
- bits_per_sample, channels);
+static const struct udevice_id wm8994_ids[] = {
+ { .compatible = "wolfson,wm8994" },
+ { }
+};
- if (ret == 0) {
- ret = wm8994_set_fmt(aif_id, SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBS_CFS);
- }
- return ret;
-}
+U_BOOT_DRIVER(wm8994) = {
+ .name = "wm8994",
+ .id = UCLASS_AUDIO_CODEC,
+ .of_match = wm8994_ids,
+ .probe = wm8994_probe,
+ .ops = &wm8994_ops,
+ .priv_auto_alloc_size = sizeof(struct wm8994_priv),
+};
projects / oweals / u-boot.git / blobdiff