drivers/gpu/drm/i2c/ch7006_priv.h

   1 /*
   2  * Copyright (C) 2009 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #ifndef __DRM_I2C_CH7006_PRIV_H__
  28 #define __DRM_I2C_CH7006_PRIV_H__
  29
  30 #include <drm/drm_crtc_helper.h>
  31 #include <drm/drm_encoder_slave.h>
  32 #include <drm/drm_probe_helper.h>
  33 #include <drm/i2c/ch7006.h>
  34
  35 typedef int64_t fixed;
  36 #define fixed1 (1LL << 32)
  37
  38 enum ch7006_tv_norm {
  39         TV_NORM_PAL,
  40         TV_NORM_PAL_M,
  41         TV_NORM_PAL_N,
  42         TV_NORM_PAL_NC,
  43         TV_NORM_PAL_60,
  44         TV_NORM_NTSC_M,
  45         TV_NORM_NTSC_J,
  46         NUM_TV_NORMS
  47 };
  48
  49 struct ch7006_tv_norm_info {
  50         fixed vrefresh;
  51         int vdisplay;
  52         int vtotal;
  53         int hvirtual;
  54
  55         fixed subc_freq;
  56         fixed black_level;
  57
  58         uint32_t dispmode;
  59         int voffset;
  60 };
  61
  62 struct ch7006_mode {
  63         struct drm_display_mode mode;
  64
  65         int enc_hdisp;
  66         int enc_vdisp;
  67
  68         fixed subc_coeff;
  69         uint32_t dispmode;
  70
  71         uint32_t valid_scales;
  72         uint32_t valid_norms;
  73 };
  74
  75 struct ch7006_state {
  76         uint8_t regs[0x26];
  77 };
  78
  79 struct ch7006_priv {
  80         struct ch7006_encoder_params params;
  81         const struct ch7006_mode *mode;
  82
  83         struct ch7006_state state;
  84         struct ch7006_state saved_state;
  85
  86         struct drm_property *scale_property;
  87
  88         int select_subconnector;
  89         int subconnector;
  90         int hmargin;
  91         int vmargin;
  92         enum ch7006_tv_norm norm;
  93         int brightness;
  94         int contrast;
  95         int flicker;
  96         int scale;
  97
  98         int chip_version;
  99         int last_dpms;
 100 };
 101
 102 #define to_ch7006_priv(x) \
 103         ((struct ch7006_priv *)to_encoder_slave(x)->slave_priv)
 104
 105 extern int ch7006_debug;
 106 extern char *ch7006_tv_norm;
 107 extern int ch7006_scale;
 108
 109 extern const char * const ch7006_tv_norm_names[];
 110 extern const struct ch7006_tv_norm_info ch7006_tv_norms[];
 111 extern const struct ch7006_mode ch7006_modes[];
 112
 113 const struct ch7006_mode *ch7006_lookup_mode(struct drm_encoder *encoder,
 114                                              const struct drm_display_mode *drm_mode);
 115
 116 void ch7006_setup_levels(struct drm_encoder *encoder);
 117 void ch7006_setup_subcarrier(struct drm_encoder *encoder);
 118 void ch7006_setup_pll(struct drm_encoder *encoder);
 119 void ch7006_setup_power_state(struct drm_encoder *encoder);
 120 void ch7006_setup_properties(struct drm_encoder *encoder);
 121
 122 void ch7006_write(struct i2c_client *client, uint8_t addr, uint8_t val);
 123 uint8_t ch7006_read(struct i2c_client *client, uint8_t addr);
 124
 125 void ch7006_state_load(struct i2c_client *client,
 126                        struct ch7006_state *state);
 127 void ch7006_state_save(struct i2c_client *client,
 128                        struct ch7006_state *state);
 129
 130 /* Some helper macros */
 131
 132 #define ch7006_dbg(client, format, ...) do {                            \
 133                 if (ch7006_debug)                                       \
 134                         dev_printk(KERN_DEBUG, &client->dev,            \
 135                                    "%s: " format, __func__, ## __VA_ARGS__); \
 136         } while (0)
 137 #define ch7006_info(client, format, ...) \
 138                                 dev_info(&client->dev, format, __VA_ARGS__)
 139 #define ch7006_err(client, format, ...) \
 140                                 dev_err(&client->dev, format, __VA_ARGS__)
 141
 142 #define __mask(src, bitfield) \
 143                 (((2 << (1 ? bitfield)) - 1) & ~((1 << (0 ? bitfield)) - 1))
 144 #define mask(bitfield) __mask(bitfield)
 145
 146 #define __bitf(src, bitfield, x) \
 147                 (((x) >> (src) << (0 ? bitfield)) &  __mask(src, bitfield))
 148 #define bitf(bitfield, x) __bitf(bitfield, x)
 149 #define bitfs(bitfield, s) __bitf(bitfield, bitfield##_##s)
 150 #define setbitf(state, reg, bitfield, x)                                \
 151         state->regs[reg] = (state->regs[reg] & ~mask(reg##_##bitfield)) \
 152                 | bitf(reg##_##bitfield, x)
 153
 154 #define __unbitf(src, bitfield, x) \
 155                 ((x & __mask(src, bitfield)) >> (0 ? bitfield) << (src))
 156 #define unbitf(bitfield, x) __unbitf(bitfield, x)
 157
 158 static inline int interpolate(int y0, int y1, int y2, int x)
 159 {
 160         return y1 + (x < 50 ? y1 - y0 : y2 - y1) * (x - 50) / 50;
 161 }
 162
 163 static inline int32_t round_fixed(fixed x)
 164 {
 165         return (x + fixed1/2) >> 32;
 166 }
 167
 168 #define ch7006_load_reg(client, state, reg) ch7006_write(client, reg, state->regs[reg])
 169 #define ch7006_save_reg(client, state, reg) state->regs[reg] = ch7006_read(client, reg)
 170
 171 /* Fixed hardware specs */
 172
 173 #define CH7006_FREQ0                            14318
 174 #define CH7006_MAXN                             650
 175 #define CH7006_MAXM                             315
 176
 177 /* Register definitions */
 178
 179 #define CH7006_DISPMODE                         0x00
 180 #define CH7006_DISPMODE_INPUT_RES               0, 7:5
 181 #define CH7006_DISPMODE_INPUT_RES_512x384       0x0
 182 #define CH7006_DISPMODE_INPUT_RES_720x400       0x1
 183 #define CH7006_DISPMODE_INPUT_RES_640x400       0x2
 184 #define CH7006_DISPMODE_INPUT_RES_640x480       0x3
 185 #define CH7006_DISPMODE_INPUT_RES_800x600       0x4
 186 #define CH7006_DISPMODE_INPUT_RES_NATIVE        0x5
 187 #define CH7006_DISPMODE_OUTPUT_STD              0, 4:3
 188 #define CH7006_DISPMODE_OUTPUT_STD_PAL          0x0
 189 #define CH7006_DISPMODE_OUTPUT_STD_NTSC         0x1
 190 #define CH7006_DISPMODE_OUTPUT_STD_PAL_M        0x2
 191 #define CH7006_DISPMODE_OUTPUT_STD_NTSC_J       0x3
 192 #define CH7006_DISPMODE_SCALING_RATIO           0, 2:0
 193 #define CH7006_DISPMODE_SCALING_RATIO_5_4       0x0
 194 #define CH7006_DISPMODE_SCALING_RATIO_1_1       0x1
 195 #define CH7006_DISPMODE_SCALING_RATIO_7_8       0x2
 196 #define CH7006_DISPMODE_SCALING_RATIO_5_6       0x3
 197 #define CH7006_DISPMODE_SCALING_RATIO_3_4       0x4
 198 #define CH7006_DISPMODE_SCALING_RATIO_7_10      0x5
 199
 200 #define CH7006_FFILTER                          0x01
 201 #define CH7006_FFILTER_TEXT                     0, 5:4
 202 #define CH7006_FFILTER_LUMA                     0, 3:2
 203 #define CH7006_FFILTER_CHROMA                   0, 1:0
 204 #define CH7006_FFILTER_CHROMA_NO_DCRAWL         0x3
 205
 206 #define CH7006_BWIDTH                           0x03
 207 #define CH7006_BWIDTH_5L_FFILER                 (1 << 7)
 208 #define CH7006_BWIDTH_CVBS_NO_CHROMA            (1 << 6)
 209 #define CH7006_BWIDTH_CHROMA                    0, 5:4
 210 #define CH7006_BWIDTH_SVIDEO_YPEAK              (1 << 3)
 211 #define CH7006_BWIDTH_SVIDEO_LUMA               0, 2:1
 212 #define CH7006_BWIDTH_CVBS_LUMA                 0, 0:0
 213
 214 #define CH7006_INPUT_FORMAT                     0x04
 215 #define CH7006_INPUT_FORMAT_DAC_GAIN            (1 << 6)
 216 #define CH7006_INPUT_FORMAT_RGB_PASS_THROUGH    (1 << 5)
 217 #define CH7006_INPUT_FORMAT_FORMAT              0, 3:0
 218 #define CH7006_INPUT_FORMAT_FORMAT_RGB16        0x0
 219 #define CH7006_INPUT_FORMAT_FORMAT_YCrCb24m16   0x1
 220 #define CH7006_INPUT_FORMAT_FORMAT_RGB24m16     0x2
 221 #define CH7006_INPUT_FORMAT_FORMAT_RGB15        0x3
 222 #define CH7006_INPUT_FORMAT_FORMAT_RGB24m12C    0x4
 223 #define CH7006_INPUT_FORMAT_FORMAT_RGB24m12I    0x5
 224 #define CH7006_INPUT_FORMAT_FORMAT_RGB24m8      0x6
 225 #define CH7006_INPUT_FORMAT_FORMAT_RGB16m8      0x7
 226 #define CH7006_INPUT_FORMAT_FORMAT_RGB15m8      0x8
 227 #define CH7006_INPUT_FORMAT_FORMAT_YCrCb24m8    0x9
 228
 229 #define CH7006_CLKMODE                          0x06
 230 #define CH7006_CLKMODE_SUBC_LOCK                (1 << 7)
 231 #define CH7006_CLKMODE_MASTER                   (1 << 6)
 232 #define CH7006_CLKMODE_POS_EDGE                 (1 << 4)
 233 #define CH7006_CLKMODE_XCM                      0, 3:2
 234 #define CH7006_CLKMODE_PCM                      0, 1:0
 235
 236 #define CH7006_START_ACTIVE                     0x07
 237 #define CH7006_START_ACTIVE_0                   0, 7:0
 238
 239 #define CH7006_POV                              0x08
 240 #define CH7006_POV_START_ACTIVE_8               8, 2:2
 241 #define CH7006_POV_HPOS_8                       8, 1:1
 242 #define CH7006_POV_VPOS_8                       8, 0:0
 243
 244 #define CH7006_BLACK_LEVEL                      0x09
 245 #define CH7006_BLACK_LEVEL_0                    0, 7:0
 246
 247 #define CH7006_HPOS                             0x0a
 248 #define CH7006_HPOS_0                           0, 7:0
 249
 250 #define CH7006_VPOS                             0x0b
 251 #define CH7006_VPOS_0                           0, 7:0
 252
 253 #define CH7006_INPUT_SYNC                       0x0d
 254 #define CH7006_INPUT_SYNC_EMBEDDED              (1 << 3)
 255 #define CH7006_INPUT_SYNC_OUTPUT                (1 << 2)
 256 #define CH7006_INPUT_SYNC_PVSYNC                (1 << 1)
 257 #define CH7006_INPUT_SYNC_PHSYNC                (1 << 0)
 258
 259 #define CH7006_POWER                            0x0e
 260 #define CH7006_POWER_SCART                      (1 << 4)
 261 #define CH7006_POWER_RESET                      (1 << 3)
 262 #define CH7006_POWER_LEVEL                      0, 2:0
 263 #define CH7006_POWER_LEVEL_CVBS_OFF             0x0
 264 #define CH7006_POWER_LEVEL_POWER_OFF            0x1
 265 #define CH7006_POWER_LEVEL_SVIDEO_OFF           0x2
 266 #define CH7006_POWER_LEVEL_NORMAL               0x3
 267 #define CH7006_POWER_LEVEL_FULL_POWER_OFF       0x4
 268
 269 #define CH7006_DETECT                           0x10
 270 #define CH7006_DETECT_SVIDEO_Y_TEST             (1 << 3)
 271 #define CH7006_DETECT_SVIDEO_C_TEST             (1 << 2)
 272 #define CH7006_DETECT_CVBS_TEST                 (1 << 1)
 273 #define CH7006_DETECT_SENSE                     (1 << 0)
 274
 275 #define CH7006_CONTRAST                         0x11
 276 #define CH7006_CONTRAST_0                       0, 2:0
 277
 278 #define CH7006_PLLOV                            0x13
 279 #define CH7006_PLLOV_N_8                        8, 2:1
 280 #define CH7006_PLLOV_M_8                        8, 0:0
 281
 282 #define CH7006_PLLM                             0x14
 283 #define CH7006_PLLM_0                           0, 7:0
 284
 285 #define CH7006_PLLN                             0x15
 286 #define CH7006_PLLN_0                           0, 7:0
 287
 288 #define CH7006_BCLKOUT                          0x17
 289
 290 #define CH7006_SUBC_INC0                        0x18
 291 #define CH7006_SUBC_INC0_28                     28, 3:0
 292
 293 #define CH7006_SUBC_INC1                        0x19
 294 #define CH7006_SUBC_INC1_24                     24, 3:0
 295
 296 #define CH7006_SUBC_INC2                        0x1a
 297 #define CH7006_SUBC_INC2_20                     20, 3:0
 298
 299 #define CH7006_SUBC_INC3                        0x1b
 300 #define CH7006_SUBC_INC3_GPIO1_VAL              (1 << 7)
 301 #define CH7006_SUBC_INC3_GPIO0_VAL              (1 << 6)
 302 #define CH7006_SUBC_INC3_POUT_3_3V              (1 << 5)
 303 #define CH7006_SUBC_INC3_POUT_INV               (1 << 4)
 304 #define CH7006_SUBC_INC3_16                     16, 3:0
 305
 306 #define CH7006_SUBC_INC4                        0x1c
 307 #define CH7006_SUBC_INC4_GPIO1_IN               (1 << 7)
 308 #define CH7006_SUBC_INC4_GPIO0_IN               (1 << 6)
 309 #define CH7006_SUBC_INC4_DS_INPUT               (1 << 4)
 310 #define CH7006_SUBC_INC4_12                     12, 3:0
 311
 312 #define CH7006_SUBC_INC5                        0x1d
 313 #define CH7006_SUBC_INC5_8                      8, 3:0
 314
 315 #define CH7006_SUBC_INC6                        0x1e
 316 #define CH7006_SUBC_INC6_4                      4, 3:0
 317
 318 #define CH7006_SUBC_INC7                        0x1f
 319 #define CH7006_SUBC_INC7_0                      0, 3:0
 320
 321 #define CH7006_PLL_CONTROL                      0x20
 322 #define CH7006_PLL_CONTROL_CPI                  (1 << 5)
 323 #define CH7006_PLL_CONTROL_CAPACITOR            (1 << 4)
 324 #define CH7006_PLL_CONTROL_7STAGES              (1 << 3)
 325 #define CH7006_PLL_CONTROL_DIGITAL_5V           (1 << 2)
 326 #define CH7006_PLL_CONTROL_ANALOG_5V            (1 << 1)
 327 #define CH7006_PLL_CONTROL_MEMORY_5V            (1 << 0)
 328
 329 #define CH7006_CALC_SUBC_INC0                   0x21
 330 #define CH7006_CALC_SUBC_INC0_24                24, 4:3
 331 #define CH7006_CALC_SUBC_INC0_HYST              0, 2:1
 332 #define CH7006_CALC_SUBC_INC0_AUTO              (1 << 0)
 333
 334 #define CH7006_CALC_SUBC_INC1                   0x22
 335 #define CH7006_CALC_SUBC_INC1_16                16, 7:0
 336
 337 #define CH7006_CALC_SUBC_INC2                   0x23
 338 #define CH7006_CALC_SUBC_INC2_8                 8, 7:0
 339
 340 #define CH7006_CALC_SUBC_INC3                   0x24
 341 #define CH7006_CALC_SUBC_INC3_0                 0, 7:0
 342
 343 #define CH7006_VERSION_ID                       0x25
 344
 345 #endif