drivers/media/platform/soc_camera/tegra_camera/vi2.c

   1 /*
   2  * Copyright (c) 2013-2014, NVIDIA CORPORATION.  All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  */
  16
  17 #include <linux/delay.h>
  18 #include <linux/clk.h>
  19 #include <linux/platform_device.h>
  20
  21 #include <media/soc_camera.h>
  22 #include <media/soc_mediabus.h>
  23 #include <media/tegra_v4l2_camera.h>
  24
  25 #include <mach/clk.h>
  26
  27 #include "nvhost_syncpt.h"
  28 #include "common.h"
  29
  30 #define TEGRA_SYNCPT_CSI_WAIT_TIMEOUT                   200
  31
  32 #define TEGRA_VI_CFG_VI_INCR_SYNCPT                     0x000
  33 #define TEGRA_VI_CFG_VI_INCR_SYNCPT_CNTRL               0x004
  34 #define TEGRA_VI_CFG_VI_INCR_SYNCPT_ERROR               0x008
  35 #define TEGRA_VI_CFG_CTXSW                              0x020
  36 #define TEGRA_VI_CFG_INTSTATUS                          0x024
  37 #define TEGRA_VI_CFG_PWM_CONTROL                        0x038
  38 #define TEGRA_VI_CFG_PWM_HIGH_PULSE                     0x03c
  39 #define TEGRA_VI_CFG_PWM_LOW_PULSE                      0x040
  40 #define TEGRA_VI_CFG_PWM_SELECT_PULSE_A                 0x044
  41 #define TEGRA_VI_CFG_PWM_SELECT_PULSE_B                 0x048
  42 #define TEGRA_VI_CFG_PWM_SELECT_PULSE_C                 0x04c
  43 #define TEGRA_VI_CFG_PWM_SELECT_PULSE_D                 0x050
  44 #define TEGRA_VI_CFG_VGP1                               0x064
  45 #define TEGRA_VI_CFG_VGP2                               0x068
  46 #define TEGRA_VI_CFG_VGP3                               0x06c
  47 #define TEGRA_VI_CFG_VGP4                               0x070
  48 #define TEGRA_VI_CFG_VGP5                               0x074
  49 #define TEGRA_VI_CFG_VGP6                               0x078
  50 #define TEGRA_VI_CFG_INTERRUPT_MASK                     0x08c
  51 #define TEGRA_VI_CFG_INTERRUPT_TYPE_SELECT              0x090
  52 #define TEGRA_VI_CFG_INTERRUPT_POLARITY_SELECT          0x094
  53 #define TEGRA_VI_CFG_INTERRUPT_STATUS                   0x098
  54 #define TEGRA_VI_CFG_VGP_SYNCPT_CONFIG                  0x0ac
  55 #define TEGRA_VI_CFG_VI_SW_RESET                        0x0b4
  56 #define TEGRA_VI_CFG_CG_CTRL                            0x0b8
  57 #define TEGRA_VI_CFG_VI_MCCIF_FIFOCTRL                  0x0e4
  58 #define TEGRA_VI_CFG_TIMEOUT_WCOAL_VI                   0x0e8
  59 #define TEGRA_VI_CFG_DVFS                               0x0f0
  60 #define TEGRA_VI_CFG_RESERVE                            0x0f4
  61 #define TEGRA_VI_CFG_RESERVE_1                          0x0f8
  62
  63 #define TEGRA_VI_CSI_0_SW_RESET                         0x100
  64 #define TEGRA_VI_CSI_0_SINGLE_SHOT                      0x104
  65 #define TEGRA_VI_CSI_0_SINGLE_SHOT_STATE_UPDATE         0x108
  66 #define TEGRA_VI_CSI_0_IMAGE_DEF                        0x10c
  67 #define TEGRA_VI_CSI_0_RGB2Y_CTRL                       0x110
  68 #define TEGRA_VI_CSI_0_MEM_TILING                       0x114
  69 #define TEGRA_VI_CSI_0_CSI_IMAGE_SIZE                   0x118
  70 #define TEGRA_VI_CSI_0_CSI_IMAGE_SIZE_WC                0x11c
  71 #define TEGRA_VI_CSI_0_CSI_IMAGE_DT                     0x120
  72 #define TEGRA_VI_CSI_0_SURFACE0_OFFSET_MSB              0x124
  73 #define TEGRA_VI_CSI_0_SURFACE0_OFFSET_LSB              0x128
  74 #define TEGRA_VI_CSI_0_SURFACE1_OFFSET_MSB              0x12c
  75 #define TEGRA_VI_CSI_0_SURFACE1_OFFSET_LSB              0x130
  76 #define TEGRA_VI_CSI_0_SURFACE2_OFFSET_MSB              0x134
  77 #define TEGRA_VI_CSI_0_SURFACE2_OFFSET_LSB              0x138
  78 #define TEGRA_VI_CSI_0_SURFACE0_BF_OFFSET_MSB           0x13c
  79 #define TEGRA_VI_CSI_0_SURFACE0_BF_OFFSET_LSB           0x140
  80 #define TEGRA_VI_CSI_0_SURFACE1_BF_OFFSET_MSB           0x144
  81 #define TEGRA_VI_CSI_0_SURFACE1_BF_OFFSET_LSB           0x148
  82 #define TEGRA_VI_CSI_0_SURFACE2_BF_OFFSET_MSB           0x14c
  83 #define TEGRA_VI_CSI_0_SURFACE2_BF_OFFSET_LSB           0x150
  84 #define TEGRA_VI_CSI_0_SURFACE0_STRIDE                  0x154
  85 #define TEGRA_VI_CSI_0_SURFACE1_STRIDE                  0x158
  86 #define TEGRA_VI_CSI_0_SURFACE2_STRIDE                  0x15c
  87 #define TEGRA_VI_CSI_0_SURFACE_HEIGHT0                  0x160
  88 #define TEGRA_VI_CSI_0_ISPINTF_CONFIG                   0x164
  89 #define TEGRA_VI_CSI_0_ERROR_STATUS                     0x184
  90 #define TEGRA_VI_CSI_0_ERROR_INT_MASK                   0x188
  91 #define TEGRA_VI_CSI_0_WD_CTRL                          0x18c
  92 #define TEGRA_VI_CSI_0_WD_PERIOD                        0x190
  93
  94 #define TEGRA_VI_CSI_1_SW_RESET                         0x200
  95 #define TEGRA_VI_CSI_1_SINGLE_SHOT                      0x204
  96 #define TEGRA_VI_CSI_1_SINGLE_SHOT_STATE_UPDATE         0x208
  97 #define TEGRA_VI_CSI_1_IMAGE_DEF                        0x20c
  98 #define TEGRA_VI_CSI_1_RGB2Y_CTRL                       0x210
  99 #define TEGRA_VI_CSI_1_MEM_TILING                       0x214
 100 #define TEGRA_VI_CSI_1_CSI_IMAGE_SIZE                   0x218
 101 #define TEGRA_VI_CSI_1_CSI_IMAGE_SIZE_WC                0x21c
 102 #define TEGRA_VI_CSI_1_CSI_IMAGE_DT                     0x220
 103 #define TEGRA_VI_CSI_1_SURFACE0_OFFSET_MSB              0x224
 104 #define TEGRA_VI_CSI_1_SURFACE0_OFFSET_LSB              0x228
 105 #define TEGRA_VI_CSI_1_SURFACE1_OFFSET_MSB              0x22c
 106 #define TEGRA_VI_CSI_1_SURFACE1_OFFSET_LSB              0x230
 107 #define TEGRA_VI_CSI_1_SURFACE2_OFFSET_MSB              0x234
 108 #define TEGRA_VI_CSI_1_SURFACE2_OFFSET_LSB              0x238
 109 #define TEGRA_VI_CSI_1_SURFACE0_BF_OFFSET_MSB           0x23c
 110 #define TEGRA_VI_CSI_1_SURFACE0_BF_OFFSET_LSB           0x240
 111 #define TEGRA_VI_CSI_1_SURFACE1_BF_OFFSET_MSB           0x244
 112 #define TEGRA_VI_CSI_1_SURFACE1_BF_OFFSET_LSB           0x248
 113 #define TEGRA_VI_CSI_1_SURFACE2_BF_OFFSET_MSB           0x24c
 114 #define TEGRA_VI_CSI_1_SURFACE2_BF_OFFSET_LSB           0x250
 115 #define TEGRA_VI_CSI_1_SURFACE0_STRIDE                  0x254
 116 #define TEGRA_VI_CSI_1_SURFACE1_STRIDE                  0x258
 117 #define TEGRA_VI_CSI_1_SURFACE2_STRIDE                  0x25c
 118 #define TEGRA_VI_CSI_1_SURFACE_HEIGHT0                  0x260
 119 #define TEGRA_VI_CSI_1_ISPINTF_CONFIG                   0x264
 120 #define TEGRA_VI_CSI_1_ERROR_STATUS                     0x284
 121 #define TEGRA_VI_CSI_1_ERROR_INT_MASK                   0x288
 122 #define TEGRA_VI_CSI_1_WD_CTRL                          0x28c
 123 #define TEGRA_VI_CSI_1_WD_PERIOD                        0x290
 124
 125 #define TEGRA_CSI_CSI_CAP_CIL                           0x808
 126 #define TEGRA_CSI_CSI_CAP_CSI                           0x818
 127 #define TEGRA_CSI_CSI_CAP_PP                            0x828
 128 #define TEGRA_CSI_INPUT_STREAM_A_CONTROL                0x838
 129 #define TEGRA_CSI_PIXEL_STREAM_A_CONTROL0               0x83c
 130 #define TEGRA_CSI_PIXEL_STREAM_A_CONTROL1               0x840
 131 #define TEGRA_CSI_PIXEL_STREAM_A_GAP                    0x844
 132 #define TEGRA_CSI_PIXEL_STREAM_PPA_COMMAND              0x848
 133 #define TEGRA_CSI_PIXEL_STREAM_A_EXPECTED_FRAME         0x84c
 134 #define TEGRA_CSI_CSI_PIXEL_PARSER_A_INTERRUPT_MASK     0x850
 135 #define TEGRA_CSI_CSI_PIXEL_PARSER_A_STATUS             0x854
 136 #define TEGRA_CSI_CSI_SW_SENSOR_A_RESET                 0x858
 137 #define TEGRA_CSI_INPUT_STREAM_B_CONTROL                0x86c
 138 #define TEGRA_CSI_PIXEL_STREAM_B_CONTROL0               0x870
 139 #define TEGRA_CSI_PIXEL_STREAM_B_CONTROL1               0x874
 140 #define TEGRA_CSI_PIXEL_STREAM_B_GAP                    0x878
 141 #define TEGRA_CSI_PIXEL_STREAM_PPB_COMMAND              0x87c
 142 #define TEGRA_CSI_PIXEL_STREAM_B_EXPECTED_FRAME         0x880
 143 #define TEGRA_CSI_CSI_PIXEL_PARSER_B_INTERRUPT_MASK     0x884
 144 #define TEGRA_CSI_CSI_PIXEL_PARSER_B_STATUS             0x888
 145 #define TEGRA_CSI_CSI_SW_SENSOR_B_RESET                 0x88c
 146 #define TEGRA_CSI_PHY_CIL_COMMAND                       0x908
 147 #define TEGRA_CSI_CIL_PAD_CONFIG0                       0x90c
 148
 149 #define TEGRA_CSI_CILA_PAD_CONFIG0                      0x92c
 150 #define TEGRA_CSI_CILA_PAD_CONFIG1                      0x930
 151 #define TEGRA_CSI_PHY_CILA_CONTROL0                     0x934
 152 #define TEGRA_CSI_CSI_CIL_A_INTERRUPT_MASK              0x938
 153 #define TEGRA_CSI_CSI_CIL_A_STATUS                      0x93c
 154 #define TEGRA_CSI_CSI_CILA_STATUS                       0x940
 155 #define TEGRA_CSI_CIL_A_ESCAPE_MODE_COMMAND             0x944
 156 #define TEGRA_CSI_CIL_A_ESCAPE_MODE_DATA                0x948
 157 #define TEGRA_CSI_CSICIL_SW_SENSOR_A_RESET              0x94c
 158
 159 #define TEGRA_CSI_CILB_PAD_CONFIG0                      0x960
 160 #define TEGRA_CSI_CILB_PAD_CONFIG1                      0x964
 161 #define TEGRA_CSI_PHY_CILB_CONTROL0                     0x968
 162 #define TEGRA_CSI_CSI_CIL_B_INTERRUPT_MASK              0x96c
 163 #define TEGRA_CSI_CSI_CIL_B_STATUS                      0x970
 164 #define TEGRA_CSI_CSI_CILB_STATUS                       0x974
 165 #define TEGRA_CSI_CIL_B_ESCAPE_MODE_COMMAND             0x978
 166 #define TEGRA_CSI_CIL_B_ESCAPE_MODE_DATA                0x97c
 167 #define TEGRA_CSI_CSICIL_SW_SENSOR_B_RESET              0x980
 168
 169 #define TEGRA_CSI_CILC_PAD_CONFIG0                      0x994
 170 #define TEGRA_CSI_CILC_PAD_CONFIG1                      0x998
 171 #define TEGRA_CSI_PHY_CILC_CONTROL0                     0x99c
 172 #define TEGRA_CSI_CSI_CIL_C_INTERRUPT_MASK              0x9a0
 173 #define TEGRA_CSI_CSI_CIL_C_STATUS                      0x9a4
 174 #define TEGRA_CSI_CSI_CILC_STATUS                       0x9a8
 175 #define TEGRA_CSI_CIL_C_ESCAPE_MODE_COMMAND             0x9ac
 176 #define TEGRA_CSI_CIL_C_ESCAPE_MODE_DATA                0x9b0
 177 #define TEGRA_CSI_CSICIL_SW_SENSOR_C_RESET              0x9b4
 178
 179 #define TEGRA_CSI_CILD_PAD_CONFIG0                      0x9c8
 180 #define TEGRA_CSI_CILD_PAD_CONFIG1                      0x9cc
 181 #define TEGRA_CSI_PHY_CILD_CONTROL0                     0x9d0
 182 #define TEGRA_CSI_CSI_CIL_D_INTERRUPT_MASK              0x9d4
 183 #define TEGRA_CSI_CSI_CIL_D_STATUS                      0x9d8
 184 #define TEGRA_CSI_CSI_CILD_STATUS                       0x9dc
 185 #define TEGRA_CSI_CIL_D_ESCAPE_MODE_COMMAND             0x9ec
 186 #define TEGRA_CSI_CIL_D_ESCAPE_MODE_DATA                0x9f0
 187 #define TEGRA_CSI_CSICIL_SW_SENSOR_D_RESET              0x9f4
 188
 189 #define TEGRA_CSI_CILE_PAD_CONFIG0                      0xa08
 190 #define TEGRA_CSI_CILE_PAD_CONFIG1                      0xa0c
 191 #define TEGRA_CSI_PHY_CILE_CONTROL0                     0xa10
 192 #define TEGRA_CSI_CSI_CIL_E_INTERRUPT_MASK              0xa14
 193 #define TEGRA_CSI_CSI_CIL_E_STATUS                      0xa18
 194 #define TEGRA_CSI_CIL_E_ESCAPE_MODE_COMMAND             0xa1c
 195 #define TEGRA_CSI_CIL_E_ESCAPE_MODE_DATA                0xa20
 196 #define TEGRA_CSI_CSICIL_SW_SENSOR_E_RESET              0xa24
 197
 198 #define TEGRA_CSI_PATTERN_GENERATOR_CTRL_A              0xa68
 199 #define TEGRA_CSI_PG_BLANK_A                            0xa6c
 200 #define TEGRA_CSI_PG_PHASE_A                            0xa70
 201 #define TEGRA_CSI_PG_RED_FREQ_A                         0xa74
 202 #define TEGRA_CSI_PG_RED_FREQ_RATE_A                    0xa78
 203 #define TEGRA_CSI_PG_GREEN_FREQ_A                       0xa7c
 204 #define TEGRA_CSI_PG_GREEN_FREQ_RATE_A                  0xa80
 205 #define TEGRA_CSI_PG_BLUE_FREQ_A                        0xa84
 206 #define TEGRA_CSI_PG_BLUE_FREQ_RATE_A                   0xa88
 207
 208 #define TEGRA_CSI_PATTERN_GENERATOR_CTRL_B              0xa9c
 209 #define TEGRA_CSI_PG_BLANK_B                            0xaa0
 210 #define TEGRA_CSI_PG_PHASE_B                            0xaa4
 211 #define TEGRA_CSI_PG_RED_FREQ_B                         0xaa8
 212 #define TEGRA_CSI_PG_RED_FREQ_RATE_B                    0xaac
 213 #define TEGRA_CSI_PG_GREEN_FREQ_B                       0xab0
 214 #define TEGRA_CSI_PG_GREEN_FREQ_RATE_B                  0xab4
 215 #define TEGRA_CSI_PG_BLUE_FREQ_B                        0xab8
 216 #define TEGRA_CSI_PG_BLUE_FREQ_RATE_B                   0xabc
 217
 218 #define TEGRA_CSI_DPCM_CTRL_A                           0xad0
 219 #define TEGRA_CSI_DPCM_CTRL_B                           0xad4
 220 #define TEGRA_CSI_STALL_COUNTER                         0xae8
 221 #define TEGRA_CSI_CSI_READONLY_STATUS                   0xaec
 222 #define TEGRA_CSI_CSI_SW_STATUS_RESET                   0xaf0
 223 #define TEGRA_CSI_CLKEN_OVERRIDE                        0xaf4
 224 #define TEGRA_CSI_DEBUG_CONTROL                         0xaf8
 225 #define TEGRA_CSI_DEBUG_COUNTER_0                       0xafc
 226 #define TEGRA_CSI_DEBUG_COUNTER_1                       0xb00
 227 #define TEGRA_CSI_DEBUG_COUNTER_2                       0xb04
 228
 229 /* These go into the TEGRA_VI_CSI_n_IMAGE_DEF registers bits 23:16 */
 230 #define TEGRA_IMAGE_FORMAT_T_L8                         16
 231 #define TEGRA_IMAGE_FORMAT_T_R16_I                      32
 232 #define TEGRA_IMAGE_FORMAT_T_B5G6R5                     33
 233 #define TEGRA_IMAGE_FORMAT_T_R5G6B5                     34
 234 #define TEGRA_IMAGE_FORMAT_T_A1B5G5R5                   35
 235 #define TEGRA_IMAGE_FORMAT_T_A1R5G5B5                   36
 236 #define TEGRA_IMAGE_FORMAT_T_B5G5R5A1                   37
 237 #define TEGRA_IMAGE_FORMAT_T_R5G5B5A1                   38
 238 #define TEGRA_IMAGE_FORMAT_T_A4B4G4R4                   39
 239 #define TEGRA_IMAGE_FORMAT_T_A4R4G4B4                   40
 240 #define TEGRA_IMAGE_FORMAT_T_B4G4R4A4                   41
 241 #define TEGRA_IMAGE_FORMAT_T_R4G4B4A4                   42
 242 #define TEGRA_IMAGE_FORMAT_T_A8B8G8R8                   64
 243 #define TEGRA_IMAGE_FORMAT_T_A8R8G8B8                   65
 244 #define TEGRA_IMAGE_FORMAT_T_B8G8R8A8                   66
 245 #define TEGRA_IMAGE_FORMAT_T_R8G8B8A8                   67
 246 #define TEGRA_IMAGE_FORMAT_T_A2B10G10R10                68
 247 #define TEGRA_IMAGE_FORMAT_T_A2R10G10B10                69
 248 #define TEGRA_IMAGE_FORMAT_T_B10G10R10A2                70
 249 #define TEGRA_IMAGE_FORMAT_T_R10G10B10A2                71
 250 #define TEGRA_IMAGE_FORMAT_T_A8Y8U8V8                   193
 251 #define TEGRA_IMAGE_FORMAT_T_V8U8Y8A8                   194
 252 #define TEGRA_IMAGE_FORMAT_T_A2Y10U10V10                197
 253 #define TEGRA_IMAGE_FORMAT_T_V10U10Y10A2                198
 254 #define TEGRA_IMAGE_FORMAT_T_Y8_U8__Y8_V8               200
 255 #define TEGRA_IMAGE_FORMAT_T_Y8_V8__Y8_U8               201
 256 #define TEGRA_IMAGE_FORMAT_T_U8_Y8__V8_Y8               202
 257 #define TEGRA_IMAGE_FORMAT_T_T_V8_Y8__U8_Y8             203
 258 #define TEGRA_IMAGE_FORMAT_T_T_Y8__U8__V8_N444          224
 259 #define TEGRA_IMAGE_FORMAT_T_Y8__U8V8_N444              225
 260 #define TEGRA_IMAGE_FORMAT_T_Y8__V8U8_N444              226
 261 #define TEGRA_IMAGE_FORMAT_T_Y8__U8__V8_N422            227
 262 #define TEGRA_IMAGE_FORMAT_T_Y8__U8V8_N422              228
 263 #define TEGRA_IMAGE_FORMAT_T_Y8__V8U8_N422              229
 264 #define TEGRA_IMAGE_FORMAT_T_Y8__U8__V8_N420            230
 265 #define TEGRA_IMAGE_FORMAT_T_Y8__U8V8_N420              231
 266 #define TEGRA_IMAGE_FORMAT_T_Y8__V8U8_N420              232
 267 #define TEGRA_IMAGE_FORMAT_T_X2Lc10Lb10La10             233
 268 #define TEGRA_IMAGE_FORMAT_T_A2R6R6R6R6R6               234
 269
 270 /* These go into the TEGRA_VI_CSI_n_CSI_IMAGE_DT registers bits 7:0 */
 271 #define TEGRA_IMAGE_DT_YUV420_8                         24
 272 #define TEGRA_IMAGE_DT_YUV420_10                        25
 273 #define TEGRA_IMAGE_DT_YUV420CSPS_8                     28
 274 #define TEGRA_IMAGE_DT_YUV420CSPS_10                    29
 275 #define TEGRA_IMAGE_DT_YUV422_8                         30
 276 #define TEGRA_IMAGE_DT_YUV422_10                        31
 277 #define TEGRA_IMAGE_DT_RGB444                           32
 278 #define TEGRA_IMAGE_DT_RGB555                           33
 279 #define TEGRA_IMAGE_DT_RGB565                           34
 280 #define TEGRA_IMAGE_DT_RGB666                           35
 281 #define TEGRA_IMAGE_DT_RGB888                           36
 282 #define TEGRA_IMAGE_DT_RAW6                             40
 283 #define TEGRA_IMAGE_DT_RAW7                             41
 284 #define TEGRA_IMAGE_DT_RAW8                             42
 285 #define TEGRA_IMAGE_DT_RAW10                            43
 286 #define TEGRA_IMAGE_DT_RAW12                            44
 287 #define TEGRA_IMAGE_DT_RAW14                            45
 288
 289 static int vi2_port_is_valid(int port)
 290 {
 291         return (((port) >= TEGRA_CAMERA_PORT_CSI_A) &&
 292                 ((port) <= TEGRA_CAMERA_PORT_CSI_E));
 293 }
 294
 295 /* Clock settings for camera */
 296 static struct tegra_camera_clk vi2_clks0[] = {
 297         {
 298                 .name = "vi",
 299                 .freq = 408000000,
 300                 .use_devname = 1,
 301         },
 302         {
 303                 .name = "vi_sensor",
 304                 .freq = 24000000,
 305         },
 306         {
 307                 .name = "csi",
 308                 .freq = 408000000,
 309                 .use_devname = 1,
 310         },
 311         {
 312                 .name = "isp",
 313                 .freq = 0,
 314         },
 315         {
 316                 .name = "csus",
 317                 .freq = 0,
 318                 .use_devname = 1,
 319         },
 320         {
 321                 .name = "sclk",
 322                 .freq = 80000000,
 323         },
 324         {
 325                 .name = "emc",
 326                 .freq = 300000000,
 327         },
 328         {
 329                 .name = "cilab",
 330                 .freq = 102000000,
 331                 .use_devname = 1,
 332         },
 333         /* Always put "p11_d" at the end */
 334         {
 335                 .name = "pll_d",
 336                 .freq = 927000000,
 337         },
 338 };
 339
 340 static struct tegra_camera_clk vi2_clks1[] = {
 341         {
 342                 .name = "vi",
 343                 .freq = 408000000,
 344                 .use_devname = 1,
 345         },
 346         {
 347                 .name = "vi_sensor",
 348                 .freq = 24000000,
 349         },
 350         {
 351                 .name = "csi",
 352                 .freq = 408000000,
 353                 .use_devname = 1,
 354         },
 355         {
 356                 .name = "isp",
 357                 .freq = 0,
 358         },
 359         {
 360                 .name = "sclk",
 361                 .freq = 80000000,
 362         },
 363         {
 364                 .name = "emc",
 365                 .freq = 300000000,
 366         },
 367         {
 368                 .name = "cilcd",
 369                 .freq = 0,
 370                 .use_devname = 1,
 371         },
 372         {
 373                 .name = "cile",
 374                 .freq = 0,
 375                 .use_devname = 1,
 376         },
 377         /* Always put "p11_d" at the end */
 378         {
 379                 .name = "pll_d",
 380                 .freq = 927000000,
 381         },
 382 };
 383
 384 #define MAX_DEVID_LENGTH        16
 385
 386 static int vi2_clks_init(struct tegra_camera_dev *cam)
 387 {
 388         struct platform_device *pdev = cam->ndev;
 389         struct tegra_camera_clk *clks;
 390         int i;
 391
 392         switch (pdev->id) {
 393         case 0:
 394                 cam->num_clks = ARRAY_SIZE(vi2_clks0);
 395                 cam->clks = vi2_clks0;
 396                 break;
 397         case 1:
 398                 cam->num_clks = ARRAY_SIZE(vi2_clks1);
 399                 cam->clks = vi2_clks1;
 400                 break;
 401         default:
 402                 dev_err(&pdev->dev, "Wrong device ID %d\n", pdev->id);
 403                 return -ENODEV;
 404         }
 405
 406         for (i = 0; i < cam->num_clks; i++) {
 407                 clks = &cam->clks[i];
 408
 409                 if (clks->use_devname) {
 410                         char devname[MAX_DEVID_LENGTH];
 411                         snprintf(devname, MAX_DEVID_LENGTH,
 412                                  "tegra_%s", dev_name(&pdev->dev));
 413                         clks->clk = clk_get_sys(devname, clks->name);
 414                 } else
 415                         clks->clk = clk_get(&pdev->dev, clks->name);
 416                 if (IS_ERR_OR_NULL(clks->clk)) {
 417                         dev_err(&pdev->dev, "Failed to get clock %s.\n",
 418                                 clks->name);
 419                         return PTR_ERR(clks->clk);
 420                 }
 421         }
 422
 423         return 0;
 424 }
 425
 426 static void vi2_clks_deinit(struct tegra_camera_dev *cam)
 427 {
 428         struct tegra_camera_clk *clks;
 429         int i;
 430
 431         for (i = 0; i < cam->num_clks; i++) {
 432                 clks = &cam->clks[i];
 433                 if (clks->clk)
 434                         clk_put(clks->clk);
 435         }
 436 }
 437
 438 static void vi2_clks_enable(struct tegra_camera_dev *cam)
 439 {
 440         struct tegra_camera_clk *clks;
 441         int i;
 442
 443         for (i = 0; i < cam->num_clks - 1; i++) {
 444                 clks = &cam->clks[i];
 445                 if (clks->clk)
 446                         clk_prepare_enable(clks->clk);
 447                 if (clks->freq > 0)
 448                         clk_set_rate(clks->clk, clks->freq);
 449         }
 450
 451         if (cam->tpg_mode) {
 452                 clks = &cam->clks[i];
 453                 if (clks->clk) {
 454                         clk_prepare_enable(clks->clk);
 455                         if (clks->freq > 0)
 456                                 clk_set_rate(clks->clk, clks->freq);
 457                         tegra_clk_cfg_ex(clks->clk,
 458                                          TEGRA_CLK_PLLD_CSI_OUT_ENB, 1);
 459                         tegra_clk_cfg_ex(clks->clk,
 460                                          TEGRA_CLK_PLLD_DSI_OUT_ENB, 1);
 461                         tegra_clk_cfg_ex(clks->clk,
 462                                          TEGRA_CLK_MIPI_CSI_OUT_ENB, 0);
 463                 }
 464         }
 465 }
 466
 467 static void vi2_clks_disable(struct tegra_camera_dev *cam)
 468 {
 469         struct tegra_camera_clk *clks;
 470         int i;
 471
 472         for (i = 0; i < cam->num_clks - 1; i++) {
 473                 clks = &cam->clks[i];
 474                 if (clks->clk)
 475                         clk_disable_unprepare(clks->clk);
 476         }
 477
 478         if (cam->tpg_mode) {
 479                 clks = &cam->clks[i];
 480                 if (clks->clk) {
 481                         tegra_clk_cfg_ex(clks->clk,
 482                                          TEGRA_CLK_MIPI_CSI_OUT_ENB, 1);
 483                         tegra_clk_cfg_ex(clks->clk,
 484                                          TEGRA_CLK_PLLD_CSI_OUT_ENB, 0);
 485                         tegra_clk_cfg_ex(clks->clk,
 486                                          TEGRA_CLK_PLLD_DSI_OUT_ENB, 0);
 487                         clk_disable_unprepare(clks->clk);
 488                 }
 489         }
 490 }
 491
 492 static void vi2_init_syncpts(struct tegra_camera_dev *cam)
 493 {
 494         cam->syncpt_id_csi_a = nvhost_get_syncpt_client_managed("vi_csi_A");
 495
 496         cam->syncpt_id_csi_b = nvhost_get_syncpt_client_managed("vi_csi_B");
 497 }
 498
 499 static void vi2_free_syncpts(struct tegra_camera_dev *cam)
 500 {
 501         nvhost_free_syncpt(cam->syncpt_id_csi_a);
 502
 503         nvhost_free_syncpt(cam->syncpt_id_csi_b);
 504 }
 505
 506 static void vi2_incr_syncpts(struct tegra_camera_dev *cam)
 507 {
 508         u32 val;
 509
 510         if (!nvhost_syncpt_read_ext_check(cam->ndev,
 511                         cam->syncpt_id_csi_a, &val))
 512                 cam->syncpt_csi_a = nvhost_syncpt_incr_max_ext(cam->ndev,
 513                                                 cam->syncpt_id_csi_a, 1);
 514
 515         if (!nvhost_syncpt_read_ext_check(cam->ndev,
 516                         cam->syncpt_id_csi_b, &val))
 517                 cam->syncpt_csi_b = nvhost_syncpt_incr_max_ext(cam->ndev,
 518                                                 cam->syncpt_id_csi_b, 1);
 519 }
 520
 521 static void vi2_capture_clean(struct tegra_camera_dev *cam)
 522 {
 523         /* Clean up status */
 524         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CIL_A_STATUS, 0xFFFFFFFF);
 525         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CIL_B_STATUS, 0xFFFFFFFF);
 526         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CIL_C_STATUS, 0xFFFFFFFF);
 527         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CIL_D_STATUS, 0xFFFFFFFF);
 528         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CIL_E_STATUS, 0xFFFFFFFF);
 529         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CILA_STATUS, 0xFFFFFFFF);
 530         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CILB_STATUS, 0xFFFFFFFF);
 531         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CILC_STATUS, 0xFFFFFFFF);
 532         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CILD_STATUS, 0xFFFFFFFF);
 533         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_PIXEL_PARSER_A_STATUS, 0xFFFFFFFF);
 534         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_PIXEL_PARSER_B_STATUS, 0xFFFFFFFF);
 535         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_ERROR_STATUS, 0xFFFFFFFF);
 536         TC_VI_REG_WT(cam, TEGRA_VI_CSI_1_ERROR_STATUS, 0xFFFFFFFF);
 537 }
 538
 539 static int vi2_capture_setup_csi_0(struct tegra_camera_dev *cam,
 540                                     struct soc_camera_device *icd)
 541 {
 542         struct soc_camera_subdev_desc *ssdesc = &icd->sdesc->subdev_desc;
 543         struct tegra_camera_platform_data *pdata = ssdesc->drv_priv;
 544         int format = 0, data_type = 0, image_size = 0;
 545
 546         TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_PPA_COMMAND, 0xf007);
 547         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_PIXEL_PARSER_A_INTERRUPT_MASK, 0x0);
 548         TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_A_CONTROL0, 0x280301f0);
 549         TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_PPA_COMMAND, 0xf007);
 550         TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_A_CONTROL1, 0x11);
 551         TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_A_GAP, 0x140000);
 552
 553         TC_VI_REG_WT(cam, TEGRA_CSI_INPUT_STREAM_A_CONTROL,
 554                         0x3f0000 | (pdata->lanes - 1));
 555         if (pdata->lanes == 4)
 556                 TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CIL_COMMAND, 0x22020101);
 557         else
 558                 TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CIL_COMMAND, 0x22020201);
 559
 560         if (cam->tpg_mode) {
 561                 TC_VI_REG_WT(cam, TEGRA_CSI_PATTERN_GENERATOR_CTRL_A,
 562                                 ((cam->tpg_mode - 1) << 2) | 0x1);
 563                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_PHASE_A, 0x0);
 564                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_RED_FREQ_A, 0x100010);
 565                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_RED_FREQ_RATE_A, 0x0);
 566                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_GREEN_FREQ_A, 0x100010);
 567                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_GREEN_FREQ_RATE_A, 0x0);
 568                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_BLUE_FREQ_A, 0x100010);
 569                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_BLUE_FREQ_RATE_A, 0x0);
 570                 TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CIL_COMMAND, 0x22020202);
 571
 572                 format = TEGRA_IMAGE_FORMAT_T_A8B8G8R8;
 573                 data_type = TEGRA_IMAGE_DT_RGB888;
 574                 image_size = icd->user_width * 3;
 575         } else if ((icd->current_fmt->code == V4L2_MBUS_FMT_UYVY8_2X8) ||
 576                    (icd->current_fmt->code == V4L2_MBUS_FMT_VYUY8_2X8) ||
 577                    (icd->current_fmt->code == V4L2_MBUS_FMT_YUYV8_2X8) ||
 578                    (icd->current_fmt->code == V4L2_MBUS_FMT_YVYU8_2X8)) {
 579                 /* TBD */
 580         } else if ((icd->current_fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8) ||
 581                    (icd->current_fmt->code == V4L2_MBUS_FMT_SGBRG8_1X8)) {
 582                 format = TEGRA_IMAGE_FORMAT_T_L8;
 583                 data_type = TEGRA_IMAGE_DT_RAW8;
 584                 image_size = icd->user_width;
 585         } else if ((icd->current_fmt->code == V4L2_MBUS_FMT_SBGGR10_1X10) ||
 586                    (icd->current_fmt->code == V4L2_MBUS_FMT_SRGGB10_1X10)) {
 587                 format = TEGRA_IMAGE_FORMAT_T_R16_I;
 588                 data_type = TEGRA_IMAGE_DT_RAW10;
 589                 image_size = (icd->user_width * 10) >> 3;
 590         }
 591
 592         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_IMAGE_DEF,
 593                         (cam->tpg_mode ? 0 : 1 << 24) | (format << 16) | 0x1);
 594
 595         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_CSI_IMAGE_DT, data_type);
 596
 597         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_CSI_IMAGE_SIZE_WC, image_size);
 598
 599         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_CSI_IMAGE_SIZE,
 600                         (icd->user_height << 16) | icd->user_width);
 601
 602         return 0;
 603 }
 604
 605 static int vi2_capture_setup_csi_1(struct tegra_camera_dev *cam,
 606                                      struct soc_camera_device *icd)
 607 {
 608         struct soc_camera_subdev_desc *ssdesc = &icd->sdesc->subdev_desc;
 609         struct tegra_camera_platform_data *pdata = ssdesc->drv_priv;
 610         int format = 0, data_type = 0, image_size = 0;
 611
 612         TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_PPB_COMMAND, 0xf007);
 613         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_PIXEL_PARSER_B_INTERRUPT_MASK, 0x0);
 614         TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_B_CONTROL0, 0x280301f1);
 615         TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_PPB_COMMAND, 0xf007);
 616         TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_B_CONTROL1, 0x11);
 617         TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_B_GAP, 0x140000);
 618
 619         TC_VI_REG_WT(cam, TEGRA_CSI_INPUT_STREAM_B_CONTROL,
 620                         0x3f0000 | (pdata->lanes - 1));
 621         if (pdata->lanes == 4)
 622                 TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CIL_COMMAND, 0x21010202);
 623         else if (pdata->lanes == 1 && pdata->port == TEGRA_CAMERA_PORT_CSI_E)
 624                 TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CIL_COMMAND, 0x12020202);
 625         else
 626                 TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CIL_COMMAND, 0x22010202);
 627
 628         if (cam->tpg_mode) {
 629                 TC_VI_REG_WT(cam, TEGRA_CSI_PATTERN_GENERATOR_CTRL_B,
 630                                 ((cam->tpg_mode - 1) << 2) | 0x1);
 631                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_PHASE_B, 0x0);
 632                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_RED_FREQ_B, 0x100010);
 633                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_RED_FREQ_RATE_B, 0x0);
 634                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_GREEN_FREQ_B, 0x100010);
 635                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_GREEN_FREQ_RATE_B, 0x0);
 636                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_BLUE_FREQ_B, 0x100010);
 637                 TC_VI_REG_WT(cam, TEGRA_CSI_PG_BLUE_FREQ_RATE_B, 0x0);
 638                 TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CIL_COMMAND, 0x22020202);
 639
 640                 format = TEGRA_IMAGE_FORMAT_T_A8B8G8R8;
 641                 data_type = TEGRA_IMAGE_DT_RGB888;
 642                 image_size = icd->user_width * 3;
 643         } else if ((icd->current_fmt->code == V4L2_MBUS_FMT_UYVY8_2X8) ||
 644                    (icd->current_fmt->code == V4L2_MBUS_FMT_VYUY8_2X8) ||
 645                    (icd->current_fmt->code == V4L2_MBUS_FMT_YUYV8_2X8) ||
 646                    (icd->current_fmt->code == V4L2_MBUS_FMT_YVYU8_2X8)) {
 647                 /* TBD */
 648         } else if ((icd->current_fmt->code == V4L2_MBUS_FMT_SBGGR8_1X8) ||
 649                    (icd->current_fmt->code == V4L2_MBUS_FMT_SGBRG8_1X8)) {
 650                 format = TEGRA_IMAGE_FORMAT_T_L8;
 651                 data_type = TEGRA_IMAGE_DT_RAW8;
 652                 image_size = icd->user_width;
 653         } else if ((icd->current_fmt->code == V4L2_MBUS_FMT_SBGGR10_1X10) ||
 654                    (icd->current_fmt->code == V4L2_MBUS_FMT_SRGGB10_1X10)) {
 655                 format = TEGRA_IMAGE_FORMAT_T_R16_I;
 656                 data_type = TEGRA_IMAGE_DT_RAW10;
 657                 image_size = icd->user_width * 10 / 8;
 658         }
 659
 660         TC_VI_REG_WT(cam, TEGRA_VI_CSI_1_IMAGE_DEF,
 661                         (cam->tpg_mode ? 0 : 1 << 24) | (format << 16) | 0x1);
 662
 663         TC_VI_REG_WT(cam, TEGRA_VI_CSI_1_CSI_IMAGE_DT, data_type);
 664
 665         TC_VI_REG_WT(cam, TEGRA_VI_CSI_1_CSI_IMAGE_SIZE_WC, image_size);
 666
 667         return 0;
 668 }
 669
 670 static int vi2_capture_setup(struct tegra_camera_dev *cam)
 671 {
 672         struct vb2_buffer *vb = cam->active;
 673         struct tegra_camera_buffer *buf = to_tegra_vb(vb);
 674         struct soc_camera_device *icd = buf->icd;
 675         struct soc_camera_subdev_desc *ssdesc = &icd->sdesc->subdev_desc;
 676         struct tegra_camera_platform_data *pdata = ssdesc->drv_priv;
 677         int port = pdata->port;
 678
 679         /* Skip VI2/CSI2 setup for second and later frame capture */
 680         if (!cam->sof)
 681                 return 0;
 682
 683 #ifdef DEBUG
 684         TC_VI_REG_WT(cam, TEGRA_CSI_DEBUG_CONTROL,
 685                         0x3 | (0x1 << 5) | (0x40 << 8));
 686 #endif
 687
 688         /*
 689          * PAD_CILA_PDVCLAMP 0, PAD_CILA_PDIO_CLK 0,
 690          * PAD_CILA_PDIO 0, PAD_AB_BK_MODE 1
 691          */
 692         TC_VI_REG_WT(cam, TEGRA_CSI_CILA_PAD_CONFIG0, 0x10000);
 693
 694         /* PAD_CILB_PDVCLAMP 0, PAD_CILB_PDIO_CLK 0, PAD_CILB_PDIO 0 */
 695         TC_VI_REG_WT(cam, TEGRA_CSI_CILB_PAD_CONFIG0, 0x0);
 696
 697         /*
 698          * PAD_CILC_PDVCLAMP 0, PAD_CILC_PDIO_CLK 0,
 699          * PAD_CILC_PDIO 0, PAD_CD_BK_MODE 1
 700          */
 701         TC_VI_REG_WT(cam, TEGRA_CSI_CILC_PAD_CONFIG0, 0x10000);
 702
 703         /* PAD_CILD_PDVCLAMP 0, PAD_CILD_PDIO_CLK 0, PAD_CILD_PDIO 0 */
 704         TC_VI_REG_WT(cam, TEGRA_CSI_CILD_PAD_CONFIG0, 0x0);
 705
 706         /* PAD_CILE_PDVCLAMP 0, PAD_CILE_PDIO_CLK 0, PAD_CILE_PDIO 0 */
 707         TC_VI_REG_WT(cam, TEGRA_CSI_CILE_PAD_CONFIG0, 0x0);
 708
 709         /* Common programming set for any config */
 710         TC_VI_REG_WT(cam, TEGRA_CSI_CLKEN_OVERRIDE, 0x0);
 711         TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CIL_COMMAND, 0x22020202);
 712         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CIL_A_INTERRUPT_MASK, 0x0);
 713         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CIL_B_INTERRUPT_MASK, 0x0);
 714         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CIL_C_INTERRUPT_MASK, 0x0);
 715         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CIL_D_INTERRUPT_MASK, 0x0);
 716         TC_VI_REG_WT(cam, TEGRA_CSI_CSI_CIL_E_INTERRUPT_MASK, 0x0);
 717
 718         /*
 719          * TODO: these values should be different with different
 720          * sensor connected.
 721          * Hardcode THS settle value just for TPG testing
 722          */
 723         TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CILA_CONTROL0, 0x8);
 724         TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CILB_CONTROL0, 0x8);
 725         TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CILC_CONTROL0, 0xa);
 726         TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CILD_CONTROL0, 0xa);
 727         TC_VI_REG_WT(cam, TEGRA_CSI_PHY_CILE_CONTROL0, 0xa);
 728
 729         /* Setup registers for CSI-A and CSI-B inputs */
 730         if (port == TEGRA_CAMERA_PORT_CSI_A)
 731                 return vi2_capture_setup_csi_0(cam, icd);
 732         else if (port == TEGRA_CAMERA_PORT_CSI_B)
 733                 return vi2_capture_setup_csi_1(cam, icd);
 734         else
 735                 return -ENODEV;
 736 }
 737
 738 static int vi2_capture_buffer_setup(struct tegra_camera_dev *cam,
 739                         struct tegra_camera_buffer *buf)
 740 {
 741         struct soc_camera_device *icd = buf->icd;
 742         int bytes_per_line = soc_mbus_bytes_per_line(icd->user_width,
 743                         icd->current_fmt->host_fmt);
 744
 745         switch (icd->current_fmt->host_fmt->fourcc) {
 746         case V4L2_PIX_FMT_YUV420:
 747         case V4L2_PIX_FMT_YVU420:
 748                 /* FIXME: Setup YUV buffer */
 749
 750         case V4L2_PIX_FMT_UYVY:
 751         case V4L2_PIX_FMT_VYUY:
 752         case V4L2_PIX_FMT_YUYV:
 753         case V4L2_PIX_FMT_YVYU:
 754         case V4L2_PIX_FMT_SBGGR8:
 755         case V4L2_PIX_FMT_SGBRG8:
 756         case V4L2_PIX_FMT_SBGGR10:
 757         case V4L2_PIX_FMT_SRGGB10:
 758         case V4L2_PIX_FMT_RGB32:
 759                 switch (buf->output_channel) {
 760                 case 0:
 761                         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_SURFACE0_OFFSET_MSB,
 762                                      0x0);
 763                         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_SURFACE0_OFFSET_LSB,
 764                                      buf->buffer_addr);
 765                         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_SURFACE0_STRIDE,
 766                                      bytes_per_line);
 767                         break;
 768                 case 1:
 769                         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_SURFACE1_OFFSET_MSB,
 770                                      0x0);
 771                         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_SURFACE1_OFFSET_LSB,
 772                                      buf->buffer_addr);
 773                         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_SURFACE1_STRIDE,
 774                                      bytes_per_line);
 775                         break;
 776                 case 2:
 777                         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_SURFACE2_OFFSET_MSB,
 778                                      0x0);
 779                         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_SURFACE2_OFFSET_LSB,
 780                                      buf->buffer_addr);
 781                         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_SURFACE2_STRIDE,
 782                                      bytes_per_line);
 783                         break;
 784                 }
 785                 break;
 786
 787         default:
 788                 dev_err(&cam->ndev->dev, "Wrong host format %d\n",
 789                         icd->current_fmt->host_fmt->fourcc);
 790                 return -EINVAL;
 791         }
 792
 793         return 0;
 794 }
 795
 796 static void vi2_capture_error_status(struct tegra_camera_dev *cam)
 797 {
 798         u32 val;
 799
 800 #ifdef DEBUG
 801         val = TC_VI_REG_RD(cam, TEGRA_CSI_DEBUG_COUNTER_0);
 802         pr_err("TEGRA_CSI_DEBUG_COUNTER_0 0x%08x\n", val);
 803 #endif
 804         val = TC_VI_REG_RD(cam, TEGRA_CSI_CSI_CIL_A_STATUS);
 805         pr_err("TEGRA_CSI_CSI_CIL_A_STATUS 0x%08x\n", val);
 806         val = TC_VI_REG_RD(cam, TEGRA_CSI_CSI_CILA_STATUS);
 807         pr_err("TEGRA_CSI_CSI_CILA_STATUS 0x%08x\n", val);
 808         val = TC_VI_REG_RD(cam, TEGRA_CSI_CSI_CIL_B_STATUS);
 809         pr_err("TEGRA_CSI_CSI_CIL_B_STATUS 0x%08x\n", val);
 810         val = TC_VI_REG_RD(cam, TEGRA_CSI_CSI_CIL_C_STATUS);
 811         pr_err("TEGRA_CSI_CSI_CIL_C_STATUS 0x%08x\n", val);
 812         val = TC_VI_REG_RD(cam, TEGRA_CSI_CSI_CIL_D_STATUS);
 813         pr_err("TEGRA_CSI_CSI_CIL_D_STATUS 0x%08x\n", val);
 814         val = TC_VI_REG_RD(cam, TEGRA_CSI_CSI_CIL_E_STATUS);
 815         pr_err("TEGRA_CSI_CSI_CIL_E_STATUS 0x%08x\n", val);
 816         val = TC_VI_REG_RD(cam, TEGRA_CSI_CSI_PIXEL_PARSER_A_STATUS);
 817         pr_err("TEGRA_CSI_CSI_PIXEL_PARSER_A_STATUS 0x%08x\n", val);
 818         val = TC_VI_REG_RD(cam, TEGRA_VI_CSI_0_ERROR_STATUS);
 819         pr_err("TEGRA_VI_CSI_0_ERROR_STATUS 0x%08x\n", val);
 820 }
 821
 822 static int vi2_capture_start(struct tegra_camera_dev *cam,
 823                                       struct tegra_camera_buffer *buf)
 824 {
 825         struct soc_camera_device *icd = buf->icd;
 826         struct soc_camera_subdev_desc *ssdesc = &icd->sdesc->subdev_desc;
 827         struct tegra_camera_platform_data *pdata = ssdesc->drv_priv;
 828         int port = pdata->port;
 829         int err;
 830
 831         err = vi2_capture_buffer_setup(cam, buf);
 832         if (err < 0)
 833                 return err;
 834
 835         /* Only wait on CSI frame end syncpt if we're using CSI. */
 836         if (port == TEGRA_CAMERA_PORT_CSI_A) {
 837                 TC_VI_REG_WT(cam, TEGRA_VI_CFG_VI_INCR_SYNCPT,
 838                                 (6 << 8) | cam->syncpt_id_csi_a);
 839                 TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_PPA_COMMAND,
 840                                 0x0000f005);
 841                 TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_SINGLE_SHOT, 0x1);
 842                 err = nvhost_syncpt_wait_timeout_ext(cam->ndev,
 843                                 cam->syncpt_id_csi_a,
 844                                 cam->syncpt_csi_a,
 845                                 TEGRA_SYNCPT_CSI_WAIT_TIMEOUT,
 846                                 NULL,
 847                                 NULL);
 848         } else if (port == TEGRA_CAMERA_PORT_CSI_B) {
 849                 TC_VI_REG_WT(cam, TEGRA_VI_CFG_VI_INCR_SYNCPT,
 850                                 (7 << 8) | cam->syncpt_id_csi_b);
 851                 TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_PPB_COMMAND,
 852                                 0x0000f005);
 853                 TC_VI_REG_WT(cam, TEGRA_VI_CSI_1_SINGLE_SHOT, 0x1);
 854                 err = nvhost_syncpt_wait_timeout_ext(cam->ndev,
 855                                 cam->syncpt_id_csi_b,
 856                                 cam->syncpt_csi_b,
 857                                 TEGRA_SYNCPT_CSI_WAIT_TIMEOUT,
 858                                 NULL,
 859                                 NULL);
 860         }
 861
 862         /* Mark SOF flag to Zero after we captured the FIRST frame */
 863         if (cam->sof)
 864                 cam->sof = 0;
 865
 866         /* Capture syncpt timeout err, then dump error status */
 867         if (err) {
 868                 if (port == TEGRA_CAMERA_PORT_CSI_A)
 869                         dev_err(&cam->ndev->dev,
 870                                 "CSI_A syncpt timeout, syncpt = %d, err = %d\n",
 871                                 cam->syncpt_csi_a, err);
 872                 else if (port == TEGRA_CAMERA_PORT_CSI_B)
 873                         dev_err(&cam->ndev->dev,
 874                                 "CSI_B syncpt timeout, syncpt = %d, err = %d\n",
 875                                 cam->syncpt_csi_b, err);
 876                 vi2_capture_error_status(cam);
 877         }
 878
 879         return err;
 880 }
 881
 882 static int vi2_capture_stop(struct tegra_camera_dev *cam, int port)
 883 {
 884         if (port == TEGRA_CAMERA_PORT_CSI_A)
 885                 TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_PPA_COMMAND,
 886                              0x0000f002);
 887         else if (port == TEGRA_CAMERA_PORT_CSI_B)
 888                 TC_VI_REG_WT(cam, TEGRA_CSI_PIXEL_STREAM_PPB_COMMAND,
 889                              0x0000f002);
 890
 891         return 0;
 892 }
 893
 894 /* Reset VI2/CSI2 when activating, no sepecial ops for deactiving  */
 895 static void vi2_sw_reset(struct tegra_camera_dev *cam)
 896 {
 897         /* T12_CG_2ND_LEVEL_EN */
 898         TC_VI_REG_WT(cam, TEGRA_VI_CFG_CG_CTRL, 1);
 899         TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_SW_RESET, 0x1F);
 900         TC_VI_REG_WT(cam, TEGRA_VI_CSI_1_SW_RESET, 0x1F);
 901
 902         udelay(10);
 903 }
 904
 905 struct tegra_camera_ops vi2_ops = {
 906         .clks_init = vi2_clks_init,
 907         .clks_deinit = vi2_clks_deinit,
 908         .clks_enable = vi2_clks_enable,
 909         .clks_disable = vi2_clks_disable,
 910
 911         .capture_clean = vi2_capture_clean,
 912         .capture_setup = vi2_capture_setup,
 913         .capture_start = vi2_capture_start,
 914         .capture_stop = vi2_capture_stop,
 915
 916         .activate = vi2_sw_reset,
 917
 918         .init_syncpts = vi2_init_syncpts,
 919         .free_syncpts = vi2_free_syncpts,
 920         .incr_syncpts = vi2_incr_syncpts,
 921
 922         .port_is_valid = vi2_port_is_valid,
 923 };
 924
 925 int vi2_register(struct tegra_camera_dev *cam)
 926 {
 927         /* Init regulator */
 928         cam->regulator_name = "avdd_dsi_csi";
 929
 930         /* Init VI2/CSI2 ops */
 931         cam->ops = &vi2_ops;
 932
 933         return 0;
 934 }