omap3_dss: add optional framebuffer
[oweals/u-boot.git] / arch / arm / include / asm / arch-omap3 / dss.h
1 /*
2  * (C) Copyright 2010
3  * Texas Instruments, <www.ti.com>
4  * Syed Mohammed Khasim <khasim@ti.com>
5  *
6  * Referred to Linux Kernel DSS driver files for OMAP3 by
7  * Tomi Valkeinen from drivers/video/omap2/dss/
8  *
9  * See file CREDITS for list of people who contributed to this
10  * project.
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License as
14  * published by the Free Software Foundation's version 2 and any
15  * later version the License.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25  * MA 02111-1307 USA
26  */
27
28 #ifndef DSS_H
29 #define DSS_H
30
31 /*
32  * DSS Base Registers
33  */
34 #define OMAP3_DSS_BASE          0x48050000
35 #define OMAP3_DISPC_BASE        0x48050400
36 #define OMAP3_VENC_BASE         0x48050C00
37
38 /* DSS Registers */
39 struct dss_regs {
40         u32 revision;                           /* 0x00 */
41         u8 res1[12];                            /* 0x04 */
42         u32 sysconfig;                          /* 0x10 */
43         u32 sysstatus;                          /* 0x14 */
44         u32 irqstatus;                          /* 0x18 */
45         u8 res2[36];                            /* 0x1C */
46         u32 control;                            /* 0x40 */
47         u32 sdi_control;                        /* 0x44 */
48         u32 pll_control;                        /* 0x48 */
49 };
50
51 /* DISPC Registers */
52 struct dispc_regs {
53         u32 revision;                           /* 0x00 */
54         u8 res1[12];                            /* 0x04 */
55         u32 sysconfig;                          /* 0x10 */
56         u32 sysstatus;                          /* 0x14 */
57         u32 irqstatus;                          /* 0x18 */
58         u32 irqenable;                          /* 0x1C */
59         u8 res2[32];                            /* 0x20 */
60         u32 control;                            /* 0x40 */
61         u32 config;                             /* 0x44 */
62         u32 reserve_2;                          /* 0x48 */
63         u32 default_color0;                     /* 0x4C */
64         u32 default_color1;                     /* 0x50 */
65         u32 trans_color0;                       /* 0x54 */
66         u32 trans_color1;                       /* 0x58 */
67         u32 line_status;                        /* 0x5C */
68         u32 line_number;                        /* 0x60 */
69         u32 timing_h;                           /* 0x64 */
70         u32 timing_v;                           /* 0x68 */
71         u32 pol_freq;                           /* 0x6C */
72         u32 divisor;                            /* 0x70 */
73         u32 global_alpha;                       /* 0x74 */
74         u32 size_dig;                           /* 0x78 */
75         u32 size_lcd;                           /* 0x7C */
76         u32 gfx_ba0;                            /* 0x80 */
77         u32 gfx_ba1;                            /* 0x84 */
78         u32 gfx_position;                       /* 0x88 */
79         u32 gfx_size;                           /* 0x8C */
80         u8 unused[16];                          /* 0x90 */
81         u32 gfx_attributes;                     /* 0xA0 */
82         u32 gfx_fifo_threshold;                 /* 0xA4 */
83         u32 gfx_fifo_size_status;               /* 0xA8 */
84         u32 gfx_row_inc;                        /* 0xAC */
85         u32 gfx_pixel_inc;                      /* 0xB0 */
86         u32 gfx_window_skip;                    /* 0xB4 */
87         u32 gfx_table_ba;                       /* 0xB8 */
88 };
89
90 /* VENC Registers */
91 struct venc_regs {
92         u32 rev_id;                             /* 0x00 */
93         u32 status;                             /* 0x04 */
94         u32 f_control;                          /* 0x08 */
95         u32 reserve_1;                          /* 0x0C */
96         u32 vidout_ctrl;                        /* 0x10 */
97         u32 sync_ctrl;                          /* 0x14 */
98         u32 reserve_2;                          /* 0x18 */
99         u32 llen;                               /* 0x1C */
100         u32 flens;                              /* 0x20 */
101         u32 hfltr_ctrl;                         /* 0x24 */
102         u32 cc_carr_wss_carr;                   /* 0x28 */
103         u32 c_phase;                            /* 0x2C */
104         u32 gain_u;                             /* 0x30 */
105         u32 gain_v;                             /* 0x34 */
106         u32 gain_y;                             /* 0x38 */
107         u32 black_level;                        /* 0x3C */
108         u32 blank_level;                        /* 0x40 */
109         u32 x_color;                            /* 0x44 */
110         u32 m_control;                          /* 0x48 */
111         u32 bstamp_wss_data;                    /* 0x4C */
112         u32 s_carr;                             /* 0x50 */
113         u32 line21;                             /* 0x54 */
114         u32 ln_sel;                             /* 0x58 */
115         u32 l21__wc_ctl;                        /* 0x5C */
116         u32 htrigger_vtrigger;                  /* 0x60 */
117         u32 savid__eavid;                       /* 0x64 */
118         u32 flen__fal;                          /* 0x68 */
119         u32 lal__phase_reset;                   /* 0x6C */
120         u32 hs_int_start_stop_x;                /* 0x70 */
121         u32 hs_ext_start_stop_x;                /* 0x74 */
122         u32 vs_int_start_x;                     /* 0x78 */
123         u32 vs_int_stop_x__vs_int_start_y;      /* 0x7C */
124         u32 vs_int_stop_y__vs_ext_start_x;      /* 0x80 */
125         u32 vs_ext_stop_x__vs_ext_start_y;      /* 0x84 */
126         u32 vs_ext_stop_y;                      /* 0x88 */
127         u32 reserve_3;                          /* 0x8C */
128         u32 avid_start_stop_x;                  /* 0x90 */
129         u32 avid_start_stop_y;                  /* 0x94 */
130         u32 reserve_4;                          /* 0x98 */
131         u32 reserve_5;                          /* 0x9C */
132         u32 fid_int_start_x__fid_int_start_y;   /* 0xA0 */
133         u32 fid_int_offset_y__fid_ext_start_x;  /* 0xA4 */
134         u32 fid_ext_start_y__fid_ext_offset_y;  /* 0xA8 */
135         u32 reserve_6;                          /* 0xAC */
136         u32 tvdetgp_int_start_stop_x;           /* 0xB0 */
137         u32 tvdetgp_int_start_stop_y;           /* 0xB4 */
138         u32 gen_ctrl;                           /* 0xB8 */
139         u32 reserve_7;                          /* 0xBC */
140         u32 reserve_8;                          /* 0xC0 */
141         u32 output_control;                     /* 0xC4 */
142         u32 dac_b__dac_c;                       /* 0xC8 */
143         u32 height_width;                       /* 0xCC */
144 };
145
146 /* Few Register Offsets */
147 #define FRAME_MODE_SHIFT                        1
148 #define TFTSTN_SHIFT                            3
149 #define DATALINES_SHIFT                         8
150
151 #define GFX_ENABLE                              1
152 #define GFX_FORMAT_SHIFT                        1
153 #define LOADMODE_SHIFT                          1
154
155 #define DSS_SOFTRESET                           (1 << 1)
156 #define DSS_RESETDONE                           1
157
158 /* Enabling Display controller */
159 #define LCD_ENABLE                              1
160 #define DIG_ENABLE                              (1 << 1)
161 #define GO_LCD                                  (1 << 5)
162 #define GO_DIG                                  (1 << 6)
163 #define GP_OUT0                                 (1 << 15)
164 #define GP_OUT1                                 (1 << 16)
165
166 #define DISPC_ENABLE                            (LCD_ENABLE | \
167                                                  DIG_ENABLE | \
168                                                  GO_LCD | \
169                                                  GO_DIG | \
170                                                  GP_OUT0| \
171                                                  GP_OUT1)
172
173 /* Configure VENC DSS Params */
174 #define VENC_CLK_ENABLE                         (1 << 3)
175 #define DAC_DEMEN                               (1 << 4)
176 #define DAC_POWERDN                             (1 << 5)
177 #define VENC_OUT_SEL                            (1 << 6)
178 #define DIG_LPP_SHIFT                           16
179 #define VENC_DSS_CONFIG                         (VENC_CLK_ENABLE | \
180                                                  DAC_DEMEN | \
181                                                  DAC_POWERDN | \
182                                                  VENC_OUT_SEL)
183 /*
184  * Panel Configuration
185  */
186 struct panel_config {
187         u32 timing_h;
188         u32 timing_v;
189         u32 pol_freq;
190         u32 divisor;
191         u32 lcd_size;
192         u32 panel_type;
193         u32 data_lines;
194         u32 load_mode;
195         u32 panel_color;
196         void *frame_buffer;
197 };
198
199 /*
200  * Generic DSS Functions
201  */
202 void omap3_dss_venc_config(const struct venc_regs *venc_cfg,
203                         u32 height, u32 width);
204 void omap3_dss_panel_config(const struct panel_config *panel_cfg);
205 void omap3_dss_enable(void);
206
207 #endif /* DSS_H */