| 1 | // SPDX-License-Identifier: GPL-2.0-only |
| 2 | /* |
| 3 | * Sony imx335 Camera Sensor Driver |
| 4 | * |
| 5 | * Copyright (C) 2021 Intel Corporation |
| 6 | */ |
| 7 | #include <linux/unaligned.h> |
| 8 | |
| 9 | #include <linux/clk.h> |
| 10 | #include <linux/delay.h> |
| 11 | #include <linux/i2c.h> |
| 12 | #include <linux/module.h> |
| 13 | #include <linux/pm_runtime.h> |
| 14 | #include <linux/regmap.h> |
| 15 | |
| 16 | #include <media/v4l2-cci.h> |
| 17 | #include <media/v4l2-ctrls.h> |
| 18 | #include <media/v4l2-fwnode.h> |
| 19 | #include <media/v4l2-subdev.h> |
| 20 | |
| 21 | /* Streaming Mode */ |
| 22 | #define IMX335_REG_MODE_SELECT CCI_REG8(0x3000) |
| 23 | #define IMX335_MODE_STANDBY 0x01 |
| 24 | #define IMX335_MODE_STREAMING 0x00 |
| 25 | |
| 26 | /* Group hold register */ |
| 27 | #define IMX335_REG_HOLD CCI_REG8(0x3001) |
| 28 | |
| 29 | #define IMX335_REG_MASTER_MODE CCI_REG8(0x3002) |
| 30 | #define IMX335_REG_BCWAIT_TIME CCI_REG8(0x300c) |
| 31 | #define IMX335_REG_CPWAIT_TIME CCI_REG8(0x300d) |
| 32 | #define IMX335_REG_WINMODE CCI_REG8(0x3018) |
| 33 | #define IMX335_REG_HTRIMMING_START CCI_REG16_LE(0x302c) |
| 34 | #define IMX335_REG_HNUM CCI_REG16_LE(0x302e) |
| 35 | |
| 36 | /* Lines per frame */ |
| 37 | #define IMX335_REG_VMAX CCI_REG24_LE(0x3030) |
| 38 | #define IMX335_REG_HMAX CCI_REG16_LE(0x3034) |
| 39 | |
| 40 | #define IMX335_REG_OPB_SIZE_V CCI_REG8(0x304c) |
| 41 | #define IMX335_REG_ADBIT CCI_REG8(0x3050) |
| 42 | #define IMX335_REG_Y_OUT_SIZE CCI_REG16_LE(0x3056) |
| 43 | |
| 44 | #define IMX335_REG_SHUTTER CCI_REG24_LE(0x3058) |
| 45 | #define IMX335_EXPOSURE_MIN 1 |
| 46 | #define IMX335_SHUTTER_MIN 9 |
| 47 | #define IMX335_SHUTTER_MIN_BINNED 17 |
| 48 | #define IMX335_EXPOSURE_STEP 1 |
| 49 | #define IMX335_EXPOSURE_DEFAULT 0x0648 |
| 50 | |
| 51 | #define IMX335_REG_AREA2_WIDTH_1 CCI_REG16_LE(0x3072) |
| 52 | |
| 53 | #define IMX335_REG_AREA3_ST_ADR_1 CCI_REG16_LE(0x3074) |
| 54 | #define IMX335_REG_AREA3_WIDTH_1 CCI_REG16_LE(0x3076) |
| 55 | |
| 56 | /* Analog and Digital gain control */ |
| 57 | #define IMX335_REG_GAIN CCI_REG8(0x30e8) |
| 58 | #define IMX335_AGAIN_MIN 0 |
| 59 | #define IMX335_AGAIN_MAX 100 |
| 60 | #define IMX335_AGAIN_STEP 1 |
| 61 | #define IMX335_AGAIN_DEFAULT 0 |
| 62 | |
| 63 | /* Vertical flip */ |
| 64 | #define IMX335_REG_VREVERSE CCI_REG8(0x304f) |
| 65 | |
| 66 | #define IMX335_REG_TPG_TESTCLKEN CCI_REG8(0x3148) |
| 67 | |
| 68 | #define IMX335_REG_INCLKSEL1 CCI_REG16_LE(0x314c) |
| 69 | #define IMX335_REG_INCLKSEL2 CCI_REG8(0x315a) |
| 70 | #define IMX335_REG_INCLKSEL3 CCI_REG8(0x3168) |
| 71 | #define IMX335_REG_INCLKSEL4 CCI_REG8(0x316a) |
| 72 | |
| 73 | #define IMX335_REG_MDBIT CCI_REG8(0x319d) |
| 74 | #define IMX335_REG_SYSMODE CCI_REG8(0x319e) |
| 75 | |
| 76 | #define IMX335_REG_XVS_XHS_DRV CCI_REG8(0x31a1) |
| 77 | |
| 78 | /* Test pattern generator */ |
| 79 | #define IMX335_REG_TPG_DIG_CLP_MODE CCI_REG8(0x3280) |
| 80 | #define IMX335_REG_TPG_EN_DUOUT CCI_REG8(0x329c) |
| 81 | #define IMX335_REG_TPG CCI_REG8(0x329e) |
| 82 | #define IMX335_TPG_ALL_000 0 |
| 83 | #define IMX335_TPG_ALL_FFF 1 |
| 84 | #define IMX335_TPG_ALL_555 2 |
| 85 | #define IMX335_TPG_ALL_AAA 3 |
| 86 | #define IMX335_TPG_TOG_555_AAA 4 |
| 87 | #define IMX335_TPG_TOG_AAA_555 5 |
| 88 | #define IMX335_TPG_TOG_000_555 6 |
| 89 | #define IMX335_TPG_TOG_555_000 7 |
| 90 | #define IMX335_TPG_TOG_000_FFF 8 |
| 91 | #define IMX335_TPG_TOG_FFF_000 9 |
| 92 | #define IMX335_TPG_H_COLOR_BARS 10 |
| 93 | #define IMX335_TPG_V_COLOR_BARS 11 |
| 94 | #define IMX335_REG_TPG_COLORWIDTH CCI_REG8(0x32a0) |
| 95 | |
| 96 | #define IMX335_REG_BLKLEVEL CCI_REG16_LE(0x3302) |
| 97 | |
| 98 | #define IMX335_REG_WRJ_OPEN CCI_REG8(0x336c) |
| 99 | |
| 100 | #define IMX335_REG_ADBIT1 CCI_REG16_LE(0x341c) |
| 101 | |
| 102 | /* Chip ID */ |
| 103 | #define IMX335_REG_ID CCI_REG8(0x3912) |
| 104 | #define IMX335_ID 0x00 |
| 105 | |
| 106 | /* Data Lanes */ |
| 107 | #define IMX335_REG_LANEMODE CCI_REG8(0x3a01) |
| 108 | #define IMX335_2LANE 1 |
| 109 | #define IMX335_4LANE 3 |
| 110 | |
| 111 | #define IMX335_REG_TCLKPOST CCI_REG16_LE(0x3a18) |
| 112 | #define IMX335_REG_TCLKPREPARE CCI_REG16_LE(0x3a1a) |
| 113 | #define IMX335_REG_TCLK_TRAIL CCI_REG16_LE(0x3a1c) |
| 114 | #define IMX335_REG_TCLK_ZERO CCI_REG16_LE(0x3a1e) |
| 115 | #define IMX335_REG_THS_PREPARE CCI_REG16_LE(0x3a20) |
| 116 | #define IMX335_REG_THS_ZERO CCI_REG16_LE(0x3a22) |
| 117 | #define IMX335_REG_THS_TRAIL CCI_REG16_LE(0x3a24) |
| 118 | #define IMX335_REG_THS_EXIT CCI_REG16_LE(0x3a26) |
| 119 | #define IMX335_REG_TPLX CCI_REG16_LE(0x3a28) |
| 120 | |
| 121 | /* Input clock rate */ |
| 122 | #define IMX335_INCLK_RATE 24000000 |
| 123 | |
| 124 | /* CSI2 HW configuration */ |
| 125 | #define IMX335_LINK_FREQ_594MHz 594000000LL |
| 126 | #define IMX335_LINK_FREQ_445MHz 445500000LL |
| 127 | |
| 128 | #define IMX335_NUM_DATA_LANES 4 |
| 129 | |
| 130 | /* IMX335 native and active pixel array size. */ |
| 131 | static const struct v4l2_rect imx335_native_area = { |
| 132 | .top = 0, |
| 133 | .left = 0, |
| 134 | .width = 2696, |
| 135 | .height = 2044, |
| 136 | }; |
| 137 | |
| 138 | static const struct v4l2_rect imx335_active_area = { |
| 139 | .top = 50, |
| 140 | .left = 36, |
| 141 | .width = 2624, |
| 142 | .height = 1944, |
| 143 | }; |
| 144 | |
| 145 | /** |
| 146 | * struct imx335_reg_list - imx335 sensor register list |
| 147 | * @num_of_regs: Number of registers in the list |
| 148 | * @regs: Pointer to register list |
| 149 | */ |
| 150 | struct imx335_reg_list { |
| 151 | u32 num_of_regs; |
| 152 | const struct cci_reg_sequence *regs; |
| 153 | }; |
| 154 | |
| 155 | static const char * const imx335_supply_name[] = { |
| 156 | "avdd" , /* Analog (2.9V) supply */ |
| 157 | "ovdd" , /* Digital I/O (1.8V) supply */ |
| 158 | "dvdd" , /* Digital Core (1.2V) supply */ |
| 159 | }; |
| 160 | |
| 161 | enum imx335_scan_mode { |
| 162 | IMX335_ALL_PIXEL, |
| 163 | IMX335_2_2_BINNING, |
| 164 | }; |
| 165 | |
| 166 | /** |
| 167 | * struct imx335_mode - imx335 sensor mode structure |
| 168 | * @scan_mode: Configuration scan mode (All pixel / 2x2Binning) |
| 169 | * @width: Frame width |
| 170 | * @height: Frame height |
| 171 | * @code: Format code |
| 172 | * @hblank: Horizontal blanking in lines |
| 173 | * @vblank: Vertical blanking in lines |
| 174 | * @vblank_min: Minimum vertical blanking in lines |
| 175 | * @vblank_max: Maximum vertical blanking in lines |
| 176 | * @pclk: Sensor pixel clock |
| 177 | * @reg_list: Register list for sensor mode |
| 178 | * @vflip_normal: Register list vflip (normal readout) |
| 179 | * @vflip_inverted: Register list vflip (inverted readout) |
| 180 | */ |
| 181 | struct imx335_mode { |
| 182 | enum imx335_scan_mode scan_mode; |
| 183 | u32 width; |
| 184 | u32 height; |
| 185 | u32 code; |
| 186 | u32 hblank; |
| 187 | u32 vblank; |
| 188 | u32 vblank_min; |
| 189 | u32 vblank_max; |
| 190 | u64 pclk; |
| 191 | struct imx335_reg_list reg_list; |
| 192 | struct imx335_reg_list vflip_normal; |
| 193 | struct imx335_reg_list vflip_inverted; |
| 194 | }; |
| 195 | |
| 196 | /** |
| 197 | * struct imx335 - imx335 sensor device structure |
| 198 | * @dev: Pointer to generic device |
| 199 | * @client: Pointer to i2c client |
| 200 | * @sd: V4L2 sub-device |
| 201 | * @pad: Media pad. Only one pad supported |
| 202 | * @reset_gpio: Sensor reset gpio |
| 203 | * @supplies: Regulator supplies to handle power control |
| 204 | * @cci: CCI register map |
| 205 | * @inclk: Sensor input clock |
| 206 | * @ctrl_handler: V4L2 control handler |
| 207 | * @link_freq_ctrl: Pointer to link frequency control |
| 208 | * @pclk_ctrl: Pointer to pixel clock control |
| 209 | * @hblank_ctrl: Pointer to horizontal blanking control |
| 210 | * @vblank_ctrl: Pointer to vertical blanking control |
| 211 | * @vflip: Pointer to vertical flip control |
| 212 | * @exp_ctrl: Pointer to exposure control |
| 213 | * @again_ctrl: Pointer to analog gain control |
| 214 | * @vblank: Vertical blanking in lines |
| 215 | * @lane_mode: Mode for number of connected data lanes |
| 216 | * @cur_mode: Pointer to current selected sensor mode |
| 217 | * @link_freq_bitmap: Menu bitmap for link_freq_ctrl |
| 218 | * @cur_mbus_code: Currently selected media bus format code |
| 219 | */ |
| 220 | struct imx335 { |
| 221 | struct device *dev; |
| 222 | struct i2c_client *client; |
| 223 | struct v4l2_subdev sd; |
| 224 | struct media_pad pad; |
| 225 | struct gpio_desc *reset_gpio; |
| 226 | struct regulator_bulk_data supplies[ARRAY_SIZE(imx335_supply_name)]; |
| 227 | struct regmap *cci; |
| 228 | |
| 229 | struct clk *inclk; |
| 230 | struct v4l2_ctrl_handler ctrl_handler; |
| 231 | struct v4l2_ctrl *link_freq_ctrl; |
| 232 | struct v4l2_ctrl *pclk_ctrl; |
| 233 | struct v4l2_ctrl *hblank_ctrl; |
| 234 | struct v4l2_ctrl *vblank_ctrl; |
| 235 | struct v4l2_ctrl *vflip; |
| 236 | struct { |
| 237 | struct v4l2_ctrl *exp_ctrl; |
| 238 | struct v4l2_ctrl *again_ctrl; |
| 239 | }; |
| 240 | u32 vblank; |
| 241 | u32 lane_mode; |
| 242 | const struct imx335_mode *cur_mode; |
| 243 | unsigned long link_freq_bitmap; |
| 244 | u32 cur_mbus_code; |
| 245 | }; |
| 246 | |
| 247 | static const char * const [] = { |
| 248 | "Disabled" , |
| 249 | "All 000h" , |
| 250 | "All FFFh" , |
| 251 | "All 555h" , |
| 252 | "All AAAh" , |
| 253 | "Toggle 555/AAAh" , |
| 254 | "Toggle AAA/555h" , |
| 255 | "Toggle 000/555h" , |
| 256 | "Toggle 555/000h" , |
| 257 | "Toggle 000/FFFh" , |
| 258 | "Toggle FFF/000h" , |
| 259 | "Horizontal color bars" , |
| 260 | "Vertical color bars" , |
| 261 | }; |
| 262 | |
| 263 | static const int imx335_tpg_val[] = { |
| 264 | IMX335_TPG_ALL_000, |
| 265 | IMX335_TPG_ALL_000, |
| 266 | IMX335_TPG_ALL_FFF, |
| 267 | IMX335_TPG_ALL_555, |
| 268 | IMX335_TPG_ALL_AAA, |
| 269 | IMX335_TPG_TOG_555_AAA, |
| 270 | IMX335_TPG_TOG_AAA_555, |
| 271 | IMX335_TPG_TOG_000_555, |
| 272 | IMX335_TPG_TOG_555_000, |
| 273 | IMX335_TPG_TOG_000_FFF, |
| 274 | IMX335_TPG_TOG_FFF_000, |
| 275 | IMX335_TPG_H_COLOR_BARS, |
| 276 | IMX335_TPG_V_COLOR_BARS, |
| 277 | }; |
| 278 | |
| 279 | /* Sensor mode registers */ |
| 280 | static const struct cci_reg_sequence mode_2592x1944_regs[] = { |
| 281 | { IMX335_REG_MODE_SELECT, IMX335_MODE_STANDBY }, |
| 282 | { IMX335_REG_MASTER_MODE, 0x00 }, |
| 283 | { IMX335_REG_WINMODE, 0x04 }, |
| 284 | { IMX335_REG_HMAX, 550 }, |
| 285 | { IMX335_REG_HTRIMMING_START, 48 }, |
| 286 | { IMX335_REG_HNUM, 2592 }, |
| 287 | { IMX335_REG_Y_OUT_SIZE, 1944 }, |
| 288 | { IMX335_REG_AREA2_WIDTH_1, 40 }, |
| 289 | { IMX335_REG_AREA3_WIDTH_1, 3928 }, |
| 290 | { IMX335_REG_OPB_SIZE_V, 0 }, |
| 291 | { IMX335_REG_XVS_XHS_DRV, 0x00 }, |
| 292 | }; |
| 293 | |
| 294 | static const struct cci_reg_sequence mode_1312x972_regs[] = { |
| 295 | { IMX335_REG_MODE_SELECT, IMX335_MODE_STANDBY }, |
| 296 | { IMX335_REG_MASTER_MODE, 0x00 }, |
| 297 | { IMX335_REG_WINMODE, 0x01 }, |
| 298 | { IMX335_REG_HMAX, 275 }, |
| 299 | { IMX335_REG_HTRIMMING_START, 48 }, |
| 300 | { IMX335_REG_HNUM, 2600 }, |
| 301 | { IMX335_REG_Y_OUT_SIZE, 972 }, |
| 302 | { IMX335_REG_AREA2_WIDTH_1, 48 }, |
| 303 | { IMX335_REG_AREA3_WIDTH_1, 3936 }, |
| 304 | { IMX335_REG_OPB_SIZE_V, 0 }, |
| 305 | { IMX335_REG_XVS_XHS_DRV, 0x00 }, |
| 306 | { CCI_REG8(0x3300), 1 }, /* TCYCLE */ |
| 307 | { CCI_REG8(0x3199), 0x30 }, /* HADD/VADD */ |
| 308 | }; |
| 309 | |
| 310 | static const struct cci_reg_sequence imx335_common_regs[] = { |
| 311 | { CCI_REG8(0x3288), 0x21 }, |
| 312 | { CCI_REG8(0x328a), 0x02 }, |
| 313 | { CCI_REG8(0x3414), 0x05 }, |
| 314 | { CCI_REG8(0x3416), 0x18 }, |
| 315 | { CCI_REG8(0x3648), 0x01 }, |
| 316 | { CCI_REG8(0x364a), 0x04 }, |
| 317 | { CCI_REG8(0x364c), 0x04 }, |
| 318 | { CCI_REG8(0x3678), 0x01 }, |
| 319 | { CCI_REG8(0x367c), 0x31 }, |
| 320 | { CCI_REG8(0x367e), 0x31 }, |
| 321 | { CCI_REG8(0x3706), 0x10 }, |
| 322 | { CCI_REG8(0x3708), 0x03 }, |
| 323 | { CCI_REG8(0x3714), 0x02 }, |
| 324 | { CCI_REG8(0x3715), 0x02 }, |
| 325 | { CCI_REG8(0x3716), 0x01 }, |
| 326 | { CCI_REG8(0x3717), 0x03 }, |
| 327 | { CCI_REG8(0x371c), 0x3d }, |
| 328 | { CCI_REG8(0x371d), 0x3f }, |
| 329 | { CCI_REG8(0x372c), 0x00 }, |
| 330 | { CCI_REG8(0x372d), 0x00 }, |
| 331 | { CCI_REG8(0x372e), 0x46 }, |
| 332 | { CCI_REG8(0x372f), 0x00 }, |
| 333 | { CCI_REG8(0x3730), 0x89 }, |
| 334 | { CCI_REG8(0x3731), 0x00 }, |
| 335 | { CCI_REG8(0x3732), 0x08 }, |
| 336 | { CCI_REG8(0x3733), 0x01 }, |
| 337 | { CCI_REG8(0x3734), 0xfe }, |
| 338 | { CCI_REG8(0x3735), 0x05 }, |
| 339 | { CCI_REG8(0x3740), 0x02 }, |
| 340 | { CCI_REG8(0x375d), 0x00 }, |
| 341 | { CCI_REG8(0x375e), 0x00 }, |
| 342 | { CCI_REG8(0x375f), 0x11 }, |
| 343 | { CCI_REG8(0x3760), 0x01 }, |
| 344 | { CCI_REG8(0x3768), 0x1b }, |
| 345 | { CCI_REG8(0x3769), 0x1b }, |
| 346 | { CCI_REG8(0x376a), 0x1b }, |
| 347 | { CCI_REG8(0x376b), 0x1b }, |
| 348 | { CCI_REG8(0x376c), 0x1a }, |
| 349 | { CCI_REG8(0x376d), 0x17 }, |
| 350 | { CCI_REG8(0x376e), 0x0f }, |
| 351 | { CCI_REG8(0x3776), 0x00 }, |
| 352 | { CCI_REG8(0x3777), 0x00 }, |
| 353 | { CCI_REG8(0x3778), 0x46 }, |
| 354 | { CCI_REG8(0x3779), 0x00 }, |
| 355 | { CCI_REG8(0x377a), 0x89 }, |
| 356 | { CCI_REG8(0x377b), 0x00 }, |
| 357 | { CCI_REG8(0x377c), 0x08 }, |
| 358 | { CCI_REG8(0x377d), 0x01 }, |
| 359 | { CCI_REG8(0x377e), 0x23 }, |
| 360 | { CCI_REG8(0x377f), 0x02 }, |
| 361 | { CCI_REG8(0x3780), 0xd9 }, |
| 362 | { CCI_REG8(0x3781), 0x03 }, |
| 363 | { CCI_REG8(0x3782), 0xf5 }, |
| 364 | { CCI_REG8(0x3783), 0x06 }, |
| 365 | { CCI_REG8(0x3784), 0xa5 }, |
| 366 | { CCI_REG8(0x3788), 0x0f }, |
| 367 | { CCI_REG8(0x378a), 0xd9 }, |
| 368 | { CCI_REG8(0x378b), 0x03 }, |
| 369 | { CCI_REG8(0x378c), 0xeb }, |
| 370 | { CCI_REG8(0x378d), 0x05 }, |
| 371 | { CCI_REG8(0x378e), 0x87 }, |
| 372 | { CCI_REG8(0x378f), 0x06 }, |
| 373 | { CCI_REG8(0x3790), 0xf5 }, |
| 374 | { CCI_REG8(0x3792), 0x43 }, |
| 375 | { CCI_REG8(0x3794), 0x7a }, |
| 376 | { CCI_REG8(0x3796), 0xa1 }, |
| 377 | { CCI_REG8(0x37b0), 0x36 }, |
| 378 | { CCI_REG8(0x3a00), 0x00 }, |
| 379 | }; |
| 380 | |
| 381 | static const struct cci_reg_sequence mode_2592x1944_vflip_normal[] = { |
| 382 | { IMX335_REG_AREA3_ST_ADR_1, 176 }, |
| 383 | |
| 384 | /* Undocumented V-Flip related registers on Page 55 of datasheet. */ |
| 385 | { CCI_REG8(0x3081), 0x02, }, |
| 386 | { CCI_REG8(0x3083), 0x02, }, |
| 387 | { CCI_REG16_LE(0x30b6), 0x00 }, |
| 388 | { CCI_REG16_LE(0x3116), 0x08 }, |
| 389 | }; |
| 390 | |
| 391 | static const struct cci_reg_sequence mode_2592x1944_vflip_inverted[] = { |
| 392 | { IMX335_REG_AREA3_ST_ADR_1, 4112 }, |
| 393 | |
| 394 | /* Undocumented V-Flip related registers on Page 55 of datasheet. */ |
| 395 | { CCI_REG8(0x3081), 0xfe, }, |
| 396 | { CCI_REG8(0x3083), 0xfe, }, |
| 397 | { CCI_REG16_LE(0x30b6), 0x1fa }, |
| 398 | { CCI_REG16_LE(0x3116), 0x002 }, |
| 399 | }; |
| 400 | |
| 401 | static const struct cci_reg_sequence mode_1312x972_vflip_normal[] = { |
| 402 | { IMX335_REG_AREA3_ST_ADR_1, 176 }, |
| 403 | |
| 404 | /* Undocumented */ |
| 405 | { CCI_REG8(0x3078), 0x04 }, |
| 406 | { CCI_REG8(0x3079), 0xfd }, |
| 407 | { CCI_REG8(0x307a), 0x04 }, |
| 408 | { CCI_REG8(0x307b), 0xfe }, |
| 409 | { CCI_REG8(0x307c), 0x04 }, |
| 410 | { CCI_REG8(0x307d), 0xfb }, |
| 411 | { CCI_REG8(0x307e), 0x04 }, |
| 412 | { CCI_REG8(0x307f), 0x02 }, |
| 413 | { CCI_REG8(0x3080), 0x04 }, |
| 414 | { CCI_REG8(0x3081), 0xfd }, |
| 415 | { CCI_REG8(0x3082), 0x04 }, |
| 416 | { CCI_REG8(0x3083), 0xfe }, |
| 417 | { CCI_REG8(0x3084), 0x04 }, |
| 418 | { CCI_REG8(0x3085), 0xfb }, |
| 419 | { CCI_REG8(0x3086), 0x04 }, |
| 420 | { CCI_REG8(0x3087), 0x02 }, |
| 421 | { CCI_REG8(0x30a4), 0x77 }, |
| 422 | { CCI_REG8(0x30a8), 0x20 }, |
| 423 | { CCI_REG8(0x30a9), 0x00 }, |
| 424 | { CCI_REG8(0x30ac), 0x08 }, |
| 425 | { CCI_REG8(0x30ad), 0x08 }, |
| 426 | { CCI_REG8(0x30b0), 0x20 }, |
| 427 | { CCI_REG8(0x30b1), 0x00 }, |
| 428 | { CCI_REG8(0x30b4), 0x10 }, |
| 429 | { CCI_REG8(0x30b5), 0x10 }, |
| 430 | { CCI_REG16_LE(0x30b6), 0x00 }, |
| 431 | { CCI_REG16_LE(0x3112), 0x10 }, |
| 432 | { CCI_REG16_LE(0x3116), 0x10 }, |
| 433 | }; |
| 434 | |
| 435 | static const struct cci_reg_sequence mode_1312x972_vflip_inverted[] = { |
| 436 | { IMX335_REG_AREA3_ST_ADR_1, 4112 }, |
| 437 | |
| 438 | /* Undocumented */ |
| 439 | { CCI_REG8(0x3078), 0x04 }, |
| 440 | { CCI_REG8(0x3079), 0xfd }, |
| 441 | { CCI_REG8(0x307a), 0x04 }, |
| 442 | { CCI_REG8(0x307b), 0xfe }, |
| 443 | { CCI_REG8(0x307c), 0x04 }, |
| 444 | { CCI_REG8(0x307d), 0xfb }, |
| 445 | { CCI_REG8(0x307e), 0x04 }, |
| 446 | { CCI_REG8(0x307f), 0x02 }, |
| 447 | { CCI_REG8(0x3080), 0xfc }, |
| 448 | { CCI_REG8(0x3081), 0x05 }, |
| 449 | { CCI_REG8(0x3082), 0xfc }, |
| 450 | { CCI_REG8(0x3083), 0x02 }, |
| 451 | { CCI_REG8(0x3084), 0xfc }, |
| 452 | { CCI_REG8(0x3085), 0x03 }, |
| 453 | { CCI_REG8(0x3086), 0xfc }, |
| 454 | { CCI_REG8(0x3087), 0xfe }, |
| 455 | { CCI_REG8(0x30a4), 0x77 }, |
| 456 | { CCI_REG8(0x30a8), 0x20 }, |
| 457 | { CCI_REG8(0x30a9), 0x00 }, |
| 458 | { CCI_REG8(0x30ac), 0x08 }, |
| 459 | { CCI_REG8(0x30ad), 0x78 }, |
| 460 | { CCI_REG8(0x30b0), 0x20 }, |
| 461 | { CCI_REG8(0x30b1), 0x00 }, |
| 462 | { CCI_REG8(0x30b4), 0x10 }, |
| 463 | { CCI_REG8(0x30b5), 0x70 }, |
| 464 | { CCI_REG16_LE(0x30b6), 0x01f2 }, |
| 465 | { CCI_REG16_LE(0x3112), 0x10 }, |
| 466 | { CCI_REG16_LE(0x3116), 0x02 }, |
| 467 | }; |
| 468 | |
| 469 | static const struct cci_reg_sequence mipi_data_rate_1188Mbps[] = { |
| 470 | { IMX335_REG_BCWAIT_TIME, 0x3b }, |
| 471 | { IMX335_REG_CPWAIT_TIME, 0x2a }, |
| 472 | { IMX335_REG_INCLKSEL1, 0x00c6 }, |
| 473 | { IMX335_REG_INCLKSEL2, 0x02 }, |
| 474 | { IMX335_REG_INCLKSEL3, 0xa0 }, |
| 475 | { IMX335_REG_INCLKSEL4, 0x7e }, |
| 476 | { IMX335_REG_SYSMODE, 0x01 }, |
| 477 | { IMX335_REG_TCLKPOST, 0x8f }, |
| 478 | { IMX335_REG_TCLKPREPARE, 0x4f }, |
| 479 | { IMX335_REG_TCLK_TRAIL, 0x47 }, |
| 480 | { IMX335_REG_TCLK_ZERO, 0x0137 }, |
| 481 | { IMX335_REG_THS_PREPARE, 0x4f }, |
| 482 | { IMX335_REG_THS_ZERO, 0x87 }, |
| 483 | { IMX335_REG_THS_TRAIL, 0x4f }, |
| 484 | { IMX335_REG_THS_EXIT, 0x7f }, |
| 485 | { IMX335_REG_TPLX, 0x3f }, |
| 486 | }; |
| 487 | |
| 488 | static const struct cci_reg_sequence mipi_data_rate_891Mbps[] = { |
| 489 | { IMX335_REG_BCWAIT_TIME, 0x3b }, |
| 490 | { IMX335_REG_CPWAIT_TIME, 0x2a }, |
| 491 | { IMX335_REG_INCLKSEL1, 0x0129 }, |
| 492 | { IMX335_REG_INCLKSEL2, 0x06 }, |
| 493 | { IMX335_REG_INCLKSEL3, 0xa0 }, |
| 494 | { IMX335_REG_INCLKSEL4, 0x7e }, |
| 495 | { IMX335_REG_SYSMODE, 0x02 }, |
| 496 | { IMX335_REG_TCLKPOST, 0x7f }, |
| 497 | { IMX335_REG_TCLKPREPARE, 0x37 }, |
| 498 | { IMX335_REG_TCLK_TRAIL, 0x37 }, |
| 499 | { IMX335_REG_TCLK_ZERO, 0xf7 }, |
| 500 | { IMX335_REG_THS_PREPARE, 0x3f }, |
| 501 | { IMX335_REG_THS_ZERO, 0x6f }, |
| 502 | { IMX335_REG_THS_TRAIL, 0x3f }, |
| 503 | { IMX335_REG_THS_EXIT, 0x5f }, |
| 504 | { IMX335_REG_TPLX, 0x2f }, |
| 505 | }; |
| 506 | |
| 507 | static const s64 link_freq[] = { |
| 508 | /* Corresponds to 1188Mbps data lane rate */ |
| 509 | IMX335_LINK_FREQ_594MHz, |
| 510 | /* Corresponds to 891Mbps data lane rate */ |
| 511 | IMX335_LINK_FREQ_445MHz, |
| 512 | }; |
| 513 | |
| 514 | static const struct imx335_reg_list link_freq_reglist[] = { |
| 515 | { |
| 516 | .num_of_regs = ARRAY_SIZE(mipi_data_rate_1188Mbps), |
| 517 | .regs = mipi_data_rate_1188Mbps, |
| 518 | }, |
| 519 | { |
| 520 | .num_of_regs = ARRAY_SIZE(mipi_data_rate_891Mbps), |
| 521 | .regs = mipi_data_rate_891Mbps, |
| 522 | }, |
| 523 | }; |
| 524 | |
| 525 | static const u32 imx335_mbus_codes[] = { |
| 526 | MEDIA_BUS_FMT_SRGGB12_1X12, |
| 527 | MEDIA_BUS_FMT_SRGGB10_1X10, |
| 528 | }; |
| 529 | |
| 530 | /* Supported sensor mode configurations */ |
| 531 | static const struct imx335_mode supported_modes[] = { |
| 532 | { |
| 533 | .scan_mode = IMX335_ALL_PIXEL, |
| 534 | .width = 2592, |
| 535 | .height = 1944, |
| 536 | .hblank = 342, |
| 537 | .vblank = 2556, |
| 538 | .vblank_min = 2556, |
| 539 | .vblank_max = 133060, |
| 540 | .pclk = 396000000, |
| 541 | .reg_list = { |
| 542 | .num_of_regs = ARRAY_SIZE(mode_2592x1944_regs), |
| 543 | .regs = mode_2592x1944_regs, |
| 544 | }, |
| 545 | .vflip_normal = { |
| 546 | .num_of_regs = ARRAY_SIZE(mode_2592x1944_vflip_normal), |
| 547 | .regs = mode_2592x1944_vflip_normal, |
| 548 | }, |
| 549 | .vflip_inverted = { |
| 550 | .num_of_regs = ARRAY_SIZE(mode_2592x1944_vflip_inverted), |
| 551 | .regs = mode_2592x1944_vflip_inverted, |
| 552 | } |
| 553 | }, { |
| 554 | .scan_mode = IMX335_2_2_BINNING, |
| 555 | .width = 1312, |
| 556 | .height = 972, |
| 557 | .hblank = 155, |
| 558 | .vblank = 3528, |
| 559 | .vblank_min = 3528, |
| 560 | .vblank_max = 133060, |
| 561 | .pclk = 396000000, |
| 562 | .reg_list = { |
| 563 | .num_of_regs = ARRAY_SIZE(mode_1312x972_regs), |
| 564 | .regs = mode_1312x972_regs, |
| 565 | }, |
| 566 | .vflip_normal = { |
| 567 | .num_of_regs = ARRAY_SIZE(mode_1312x972_vflip_normal), |
| 568 | .regs = mode_1312x972_vflip_normal, |
| 569 | }, |
| 570 | .vflip_inverted = { |
| 571 | .num_of_regs = ARRAY_SIZE(mode_1312x972_vflip_inverted), |
| 572 | .regs = mode_1312x972_vflip_inverted, |
| 573 | }, |
| 574 | }, |
| 575 | }; |
| 576 | |
| 577 | /** |
| 578 | * to_imx335() - imx335 V4L2 sub-device to imx335 device. |
| 579 | * @subdev: pointer to imx335 V4L2 sub-device |
| 580 | * |
| 581 | * Return: pointer to imx335 device |
| 582 | */ |
| 583 | static inline struct imx335 *to_imx335(struct v4l2_subdev *subdev) |
| 584 | { |
| 585 | return container_of(subdev, struct imx335, sd); |
| 586 | } |
| 587 | |
| 588 | /** |
| 589 | * imx335_update_controls() - Update control ranges based on streaming mode |
| 590 | * @imx335: pointer to imx335 device |
| 591 | * @mode: pointer to imx335_mode sensor mode |
| 592 | * |
| 593 | * Return: 0 if successful, error code otherwise. |
| 594 | */ |
| 595 | static int imx335_update_controls(struct imx335 *imx335, |
| 596 | const struct imx335_mode *mode) |
| 597 | { |
| 598 | int ret; |
| 599 | |
| 600 | ret = __v4l2_ctrl_s_ctrl(ctrl: imx335->link_freq_ctrl, |
| 601 | __ffs(imx335->link_freq_bitmap)); |
| 602 | if (ret) |
| 603 | return ret; |
| 604 | |
| 605 | ret = __v4l2_ctrl_modify_range(ctrl: imx335->hblank_ctrl, min: mode->hblank, |
| 606 | max: mode->hblank, step: 1, def: mode->hblank); |
| 607 | if (ret) |
| 608 | return ret; |
| 609 | |
| 610 | return __v4l2_ctrl_modify_range(ctrl: imx335->vblank_ctrl, min: mode->vblank_min, |
| 611 | max: mode->vblank_max, step: 1, def: mode->vblank); |
| 612 | } |
| 613 | |
| 614 | /** |
| 615 | * imx335_update_exp_gain() - Set updated exposure and gain |
| 616 | * @imx335: pointer to imx335 device |
| 617 | * @exposure: updated exposure value |
| 618 | * @gain: updated analog gain value |
| 619 | * |
| 620 | * Return: 0 if successful, error code otherwise. |
| 621 | */ |
| 622 | static int imx335_update_exp_gain(struct imx335 *imx335, u32 exposure, u32 gain) |
| 623 | { |
| 624 | u32 lpfr, shutter; |
| 625 | int ret_hold; |
| 626 | int ret = 0; |
| 627 | |
| 628 | lpfr = imx335->vblank + imx335->cur_mode->height; |
| 629 | shutter = lpfr - exposure; |
| 630 | |
| 631 | dev_dbg(imx335->dev, "Set exp %u, analog gain %u, shutter %u, lpfr %u\n" , |
| 632 | exposure, gain, shutter, lpfr); |
| 633 | |
| 634 | cci_write(map: imx335->cci, IMX335_REG_HOLD, val: 1, err: &ret); |
| 635 | cci_write(map: imx335->cci, IMX335_REG_VMAX, val: lpfr, err: &ret); |
| 636 | cci_write(map: imx335->cci, IMX335_REG_SHUTTER, val: shutter, err: &ret); |
| 637 | cci_write(map: imx335->cci, IMX335_REG_GAIN, val: gain, err: &ret); |
| 638 | /* |
| 639 | * Unconditionally attempt to release the hold, but track the |
| 640 | * error if the unhold itself fails. |
| 641 | */ |
| 642 | ret_hold = cci_write(map: imx335->cci, IMX335_REG_HOLD, val: 0, NULL); |
| 643 | if (ret_hold) |
| 644 | ret = ret_hold; |
| 645 | |
| 646 | return ret; |
| 647 | } |
| 648 | |
| 649 | static int imx335_update_vertical_flip(struct imx335 *imx335, u32 vflip) |
| 650 | { |
| 651 | const struct imx335_reg_list * const vflip_regs = |
| 652 | vflip ? &imx335->cur_mode->vflip_inverted : |
| 653 | &imx335->cur_mode->vflip_normal; |
| 654 | int ret = 0; |
| 655 | |
| 656 | cci_multi_reg_write(map: imx335->cci, regs: vflip_regs->regs, |
| 657 | num_regs: vflip_regs->num_of_regs, err: &ret); |
| 658 | |
| 659 | return cci_write(map: imx335->cci, IMX335_REG_VREVERSE, val: vflip, err: &ret); |
| 660 | } |
| 661 | |
| 662 | static int imx335_update_test_pattern(struct imx335 *imx335, u32 pattern_index) |
| 663 | { |
| 664 | int ret = 0; |
| 665 | |
| 666 | if (pattern_index >= ARRAY_SIZE(imx335_tpg_val)) |
| 667 | return -EINVAL; |
| 668 | |
| 669 | if (pattern_index) { |
| 670 | const struct cci_reg_sequence tpg_enable_regs[] = { |
| 671 | { IMX335_REG_TPG_TESTCLKEN, 0x10 }, |
| 672 | { IMX335_REG_TPG_DIG_CLP_MODE, 0x00 }, |
| 673 | { IMX335_REG_TPG_EN_DUOUT, 0x01 }, |
| 674 | { IMX335_REG_TPG_COLORWIDTH, 0x11 }, |
| 675 | { IMX335_REG_BLKLEVEL, 0x00 }, |
| 676 | { IMX335_REG_WRJ_OPEN, 0x00 }, |
| 677 | }; |
| 678 | |
| 679 | cci_write(map: imx335->cci, IMX335_REG_TPG, |
| 680 | val: imx335_tpg_val[pattern_index], err: &ret); |
| 681 | |
| 682 | cci_multi_reg_write(map: imx335->cci, regs: tpg_enable_regs, |
| 683 | ARRAY_SIZE(tpg_enable_regs), err: &ret); |
| 684 | } else { |
| 685 | const struct cci_reg_sequence tpg_disable_regs[] = { |
| 686 | { IMX335_REG_TPG_TESTCLKEN, 0x00 }, |
| 687 | { IMX335_REG_TPG_DIG_CLP_MODE, 0x01 }, |
| 688 | { IMX335_REG_TPG_EN_DUOUT, 0x00 }, |
| 689 | { IMX335_REG_TPG_COLORWIDTH, 0x10 }, |
| 690 | { IMX335_REG_BLKLEVEL, 0x32 }, |
| 691 | { IMX335_REG_WRJ_OPEN, 0x01 }, |
| 692 | }; |
| 693 | |
| 694 | cci_multi_reg_write(map: imx335->cci, regs: tpg_disable_regs, |
| 695 | ARRAY_SIZE(tpg_disable_regs), err: &ret); |
| 696 | } |
| 697 | |
| 698 | return ret; |
| 699 | } |
| 700 | |
| 701 | /** |
| 702 | * imx335_set_ctrl() - Set subdevice control |
| 703 | * @ctrl: pointer to v4l2_ctrl structure |
| 704 | * |
| 705 | * Supported controls: |
| 706 | * - V4L2_CID_VBLANK |
| 707 | * - cluster controls: |
| 708 | * - V4L2_CID_ANALOGUE_GAIN |
| 709 | * - V4L2_CID_EXPOSURE |
| 710 | * |
| 711 | * Return: 0 if successful, error code otherwise. |
| 712 | */ |
| 713 | static int imx335_set_ctrl(struct v4l2_ctrl *ctrl) |
| 714 | { |
| 715 | struct imx335 *imx335 = |
| 716 | container_of(ctrl->handler, struct imx335, ctrl_handler); |
| 717 | u32 analog_gain; |
| 718 | u32 exposure; |
| 719 | int ret; |
| 720 | |
| 721 | /* Propagate change of current control to all related controls */ |
| 722 | if (ctrl->id == V4L2_CID_VBLANK) { |
| 723 | u32 shutter_min = IMX335_SHUTTER_MIN; |
| 724 | u32 lpfr; |
| 725 | |
| 726 | imx335->vblank = imx335->vblank_ctrl->val; |
| 727 | lpfr = imx335->vblank + imx335->cur_mode->height; |
| 728 | |
| 729 | dev_dbg(imx335->dev, "Received vblank %u, new lpfr %u\n" , |
| 730 | imx335->vblank, lpfr); |
| 731 | |
| 732 | if (imx335->cur_mode->scan_mode == IMX335_2_2_BINNING) |
| 733 | shutter_min = IMX335_SHUTTER_MIN_BINNED; |
| 734 | |
| 735 | ret = __v4l2_ctrl_modify_range(ctrl: imx335->exp_ctrl, |
| 736 | IMX335_EXPOSURE_MIN, |
| 737 | max: lpfr - shutter_min, step: 1, |
| 738 | IMX335_EXPOSURE_DEFAULT); |
| 739 | if (ret) |
| 740 | return ret; |
| 741 | } |
| 742 | |
| 743 | /* |
| 744 | * Applying V4L2 control value only happens |
| 745 | * when power is up for streaming. |
| 746 | */ |
| 747 | if (pm_runtime_get_if_in_use(dev: imx335->dev) == 0) |
| 748 | return 0; |
| 749 | |
| 750 | switch (ctrl->id) { |
| 751 | case V4L2_CID_VBLANK: |
| 752 | exposure = imx335->exp_ctrl->val; |
| 753 | analog_gain = imx335->again_ctrl->val; |
| 754 | |
| 755 | ret = imx335_update_exp_gain(imx335, exposure, gain: analog_gain); |
| 756 | |
| 757 | break; |
| 758 | case V4L2_CID_EXPOSURE: |
| 759 | exposure = ctrl->val; |
| 760 | analog_gain = imx335->again_ctrl->val; |
| 761 | |
| 762 | dev_dbg(imx335->dev, "Received exp %u, analog gain %u\n" , |
| 763 | exposure, analog_gain); |
| 764 | |
| 765 | ret = imx335_update_exp_gain(imx335, exposure, gain: analog_gain); |
| 766 | |
| 767 | break; |
| 768 | case V4L2_CID_VFLIP: |
| 769 | ret = imx335_update_vertical_flip(imx335, vflip: ctrl->val); |
| 770 | |
| 771 | break; |
| 772 | case V4L2_CID_TEST_PATTERN: |
| 773 | ret = imx335_update_test_pattern(imx335, pattern_index: ctrl->val); |
| 774 | |
| 775 | break; |
| 776 | default: |
| 777 | dev_err(imx335->dev, "Invalid control %d\n" , ctrl->id); |
| 778 | ret = -EINVAL; |
| 779 | } |
| 780 | |
| 781 | pm_runtime_put(dev: imx335->dev); |
| 782 | |
| 783 | return ret; |
| 784 | } |
| 785 | |
| 786 | /* V4l2 subdevice control ops*/ |
| 787 | static const struct v4l2_ctrl_ops imx335_ctrl_ops = { |
| 788 | .s_ctrl = imx335_set_ctrl, |
| 789 | }; |
| 790 | |
| 791 | static int imx335_get_format_code(struct imx335 *imx335, u32 code) |
| 792 | { |
| 793 | unsigned int i; |
| 794 | |
| 795 | for (i = 0; i < ARRAY_SIZE(imx335_mbus_codes); i++) { |
| 796 | if (imx335_mbus_codes[i] == code) |
| 797 | return imx335_mbus_codes[i]; |
| 798 | } |
| 799 | |
| 800 | return imx335_mbus_codes[0]; |
| 801 | } |
| 802 | |
| 803 | /** |
| 804 | * imx335_enum_mbus_code() - Enumerate V4L2 sub-device mbus codes |
| 805 | * @sd: pointer to imx335 V4L2 sub-device structure |
| 806 | * @sd_state: V4L2 sub-device configuration |
| 807 | * @code: V4L2 sub-device code enumeration need to be filled |
| 808 | * |
| 809 | * Return: 0 if successful, error code otherwise. |
| 810 | */ |
| 811 | static int imx335_enum_mbus_code(struct v4l2_subdev *sd, |
| 812 | struct v4l2_subdev_state *sd_state, |
| 813 | struct v4l2_subdev_mbus_code_enum *code) |
| 814 | { |
| 815 | if (code->index >= ARRAY_SIZE(imx335_mbus_codes)) |
| 816 | return -EINVAL; |
| 817 | |
| 818 | code->code = imx335_mbus_codes[code->index]; |
| 819 | |
| 820 | return 0; |
| 821 | } |
| 822 | |
| 823 | /** |
| 824 | * imx335_enum_frame_size() - Enumerate V4L2 sub-device frame sizes |
| 825 | * @sd: pointer to imx335 V4L2 sub-device structure |
| 826 | * @sd_state: V4L2 sub-device configuration |
| 827 | * @fsize: V4L2 sub-device size enumeration need to be filled |
| 828 | * |
| 829 | * Return: 0 if successful, error code otherwise. |
| 830 | */ |
| 831 | static int imx335_enum_frame_size(struct v4l2_subdev *sd, |
| 832 | struct v4l2_subdev_state *sd_state, |
| 833 | struct v4l2_subdev_frame_size_enum *fsize) |
| 834 | { |
| 835 | struct imx335 *imx335 = to_imx335(subdev: sd); |
| 836 | u32 code; |
| 837 | |
| 838 | if (fsize->index >= ARRAY_SIZE(supported_modes)) |
| 839 | return -EINVAL; |
| 840 | |
| 841 | code = imx335_get_format_code(imx335, code: fsize->code); |
| 842 | if (fsize->code != code) |
| 843 | return -EINVAL; |
| 844 | |
| 845 | fsize->min_width = supported_modes[fsize->index].width; |
| 846 | fsize->max_width = fsize->min_width; |
| 847 | fsize->min_height = supported_modes[fsize->index].height; |
| 848 | fsize->max_height = fsize->min_height; |
| 849 | |
| 850 | return 0; |
| 851 | } |
| 852 | |
| 853 | /** |
| 854 | * imx335_fill_pad_format() - Fill subdevice pad format |
| 855 | * from selected sensor mode |
| 856 | * @imx335: pointer to imx335 device |
| 857 | * @mode: pointer to imx335_mode sensor mode |
| 858 | * @fmt: V4L2 sub-device format need to be filled |
| 859 | */ |
| 860 | static void imx335_fill_pad_format(struct imx335 *imx335, |
| 861 | const struct imx335_mode *mode, |
| 862 | struct v4l2_subdev_format *fmt) |
| 863 | { |
| 864 | fmt->format.width = mode->width; |
| 865 | fmt->format.height = mode->height; |
| 866 | fmt->format.code = imx335->cur_mbus_code; |
| 867 | fmt->format.field = V4L2_FIELD_NONE; |
| 868 | fmt->format.colorspace = V4L2_COLORSPACE_RAW; |
| 869 | fmt->format.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; |
| 870 | fmt->format.quantization = V4L2_QUANTIZATION_DEFAULT; |
| 871 | fmt->format.xfer_func = V4L2_XFER_FUNC_NONE; |
| 872 | } |
| 873 | |
| 874 | /** |
| 875 | * imx335_set_pad_format() - Set subdevice pad format |
| 876 | * @sd: pointer to imx335 V4L2 sub-device structure |
| 877 | * @sd_state: V4L2 sub-device configuration |
| 878 | * @fmt: V4L2 sub-device format need to be set |
| 879 | * |
| 880 | * Return: 0 if successful, error code otherwise. |
| 881 | */ |
| 882 | static int imx335_set_pad_format(struct v4l2_subdev *sd, |
| 883 | struct v4l2_subdev_state *sd_state, |
| 884 | struct v4l2_subdev_format *fmt) |
| 885 | { |
| 886 | struct imx335 *imx335 = to_imx335(subdev: sd); |
| 887 | struct v4l2_mbus_framefmt *format; |
| 888 | const struct imx335_mode *mode; |
| 889 | struct v4l2_rect *crop; |
| 890 | int i, ret = 0; |
| 891 | |
| 892 | mode = v4l2_find_nearest_size(supported_modes, |
| 893 | ARRAY_SIZE(supported_modes), |
| 894 | width, height, |
| 895 | fmt->format.width, fmt->format.height); |
| 896 | |
| 897 | for (i = 0; i < ARRAY_SIZE(imx335_mbus_codes); i++) { |
| 898 | if (imx335_mbus_codes[i] == fmt->format.code) |
| 899 | imx335->cur_mbus_code = imx335_mbus_codes[i]; |
| 900 | } |
| 901 | |
| 902 | imx335_fill_pad_format(imx335, mode, fmt); |
| 903 | |
| 904 | format = v4l2_subdev_state_get_format(sd_state, fmt->pad); |
| 905 | *format = fmt->format; |
| 906 | |
| 907 | crop = v4l2_subdev_state_get_crop(sd_state, fmt->pad); |
| 908 | crop->width = fmt->format.width; |
| 909 | crop->height = fmt->format.height; |
| 910 | if (mode->scan_mode == IMX335_2_2_BINNING) { |
| 911 | crop->width *= 2; |
| 912 | crop->height *= 2; |
| 913 | } |
| 914 | crop->left = (imx335_native_area.width - crop->width) / 2; |
| 915 | crop->top = (imx335_native_area.height - crop->height) / 2; |
| 916 | |
| 917 | if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) { |
| 918 | ret = imx335_update_controls(imx335, mode); |
| 919 | if (!ret) |
| 920 | imx335->cur_mode = mode; |
| 921 | } |
| 922 | |
| 923 | return ret; |
| 924 | } |
| 925 | |
| 926 | /** |
| 927 | * imx335_init_state() - Initialize sub-device state |
| 928 | * @sd: pointer to imx335 V4L2 sub-device structure |
| 929 | * @sd_state: V4L2 sub-device configuration |
| 930 | * |
| 931 | * Return: 0 if successful, error code otherwise. |
| 932 | */ |
| 933 | static int imx335_init_state(struct v4l2_subdev *sd, |
| 934 | struct v4l2_subdev_state *sd_state) |
| 935 | { |
| 936 | struct imx335 *imx335 = to_imx335(subdev: sd); |
| 937 | struct v4l2_subdev_format fmt = { 0 }; |
| 938 | |
| 939 | fmt.which = sd_state ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; |
| 940 | imx335_fill_pad_format(imx335, mode: &supported_modes[0], fmt: &fmt); |
| 941 | |
| 942 | __v4l2_ctrl_modify_range(ctrl: imx335->link_freq_ctrl, min: 0, |
| 943 | max: __fls(word: imx335->link_freq_bitmap), |
| 944 | step: ~(imx335->link_freq_bitmap), |
| 945 | __ffs(imx335->link_freq_bitmap)); |
| 946 | |
| 947 | return imx335_set_pad_format(sd, sd_state, fmt: &fmt); |
| 948 | } |
| 949 | |
| 950 | /** |
| 951 | * imx335_get_selection() - Selection API |
| 952 | * @sd: pointer to imx335 V4L2 sub-device structure |
| 953 | * @sd_state: V4L2 sub-device configuration |
| 954 | * @sel: V4L2 selection info |
| 955 | * |
| 956 | * Return: 0 if successful, error code otherwise. |
| 957 | */ |
| 958 | static int imx335_get_selection(struct v4l2_subdev *sd, |
| 959 | struct v4l2_subdev_state *sd_state, |
| 960 | struct v4l2_subdev_selection *sel) |
| 961 | { |
| 962 | switch (sel->target) { |
| 963 | case V4L2_SEL_TGT_CROP: |
| 964 | sel->r = *v4l2_subdev_state_get_crop(sd_state, 0); |
| 965 | |
| 966 | return 0; |
| 967 | |
| 968 | case V4L2_SEL_TGT_NATIVE_SIZE: |
| 969 | sel->r = imx335_native_area; |
| 970 | return 0; |
| 971 | |
| 972 | case V4L2_SEL_TGT_CROP_DEFAULT: |
| 973 | case V4L2_SEL_TGT_CROP_BOUNDS: |
| 974 | sel->r = imx335_active_area; |
| 975 | return 0; |
| 976 | } |
| 977 | |
| 978 | return -EINVAL; |
| 979 | } |
| 980 | |
| 981 | static int imx335_set_framefmt(struct imx335 *imx335) |
| 982 | { |
| 983 | /* |
| 984 | * In the all-pixel scan mode the AD conversion shall match the output |
| 985 | * bit width requested. |
| 986 | * |
| 987 | * However, when 2/2 binning is enabled, the AD conversion is always |
| 988 | * 10-bit, so we ensure ADBIT is clear and ADBIT1 is assigned 0x1ff. |
| 989 | * That's as much as the documentation gives us... |
| 990 | */ |
| 991 | int ret = 0; |
| 992 | u8 bpp = imx335->cur_mbus_code == MEDIA_BUS_FMT_SRGGB10_1X10 ? 10 : 12; |
| 993 | u8 ad_conv = bpp; |
| 994 | |
| 995 | /* Start with the output mode */ |
| 996 | cci_write(map: imx335->cci, IMX335_REG_MDBIT, val: bpp == 12, err: &ret); |
| 997 | |
| 998 | /* Enforce 10 bit AD on binning modes */ |
| 999 | if (imx335->cur_mode->scan_mode == IMX335_2_2_BINNING) |
| 1000 | ad_conv = 10; |
| 1001 | |
| 1002 | /* AD Conversion configuration */ |
| 1003 | if (ad_conv == 10) { |
| 1004 | cci_write(map: imx335->cci, IMX335_REG_ADBIT, val: 0x00, err: &ret); |
| 1005 | cci_write(map: imx335->cci, IMX335_REG_ADBIT1, val: 0x1ff, err: &ret); |
| 1006 | } else { /* 12 bit AD Conversion */ |
| 1007 | cci_write(map: imx335->cci, IMX335_REG_ADBIT, val: 0x01, err: &ret); |
| 1008 | cci_write(map: imx335->cci, IMX335_REG_ADBIT1, val: 0x47, err: &ret); |
| 1009 | } |
| 1010 | |
| 1011 | return ret; |
| 1012 | } |
| 1013 | |
| 1014 | /** |
| 1015 | * imx335_enable_streams() - Enable sensor streams |
| 1016 | * @sd: V4L2 subdevice |
| 1017 | * @state: V4L2 subdevice state |
| 1018 | * @pad: The pad to enable |
| 1019 | * @streams_mask: Bitmask of streams to enable |
| 1020 | * |
| 1021 | * Return: 0 if successful, error code otherwise. |
| 1022 | */ |
| 1023 | static int imx335_enable_streams(struct v4l2_subdev *sd, |
| 1024 | struct v4l2_subdev_state *state, u32 pad, |
| 1025 | u64 streams_mask) |
| 1026 | { |
| 1027 | struct imx335 *imx335 = to_imx335(subdev: sd); |
| 1028 | const struct imx335_reg_list *reg_list; |
| 1029 | int ret; |
| 1030 | |
| 1031 | ret = pm_runtime_resume_and_get(dev: imx335->dev); |
| 1032 | if (ret < 0) |
| 1033 | return ret; |
| 1034 | |
| 1035 | /* Setup PLL */ |
| 1036 | reg_list = &link_freq_reglist[__ffs(imx335->link_freq_bitmap)]; |
| 1037 | ret = cci_multi_reg_write(map: imx335->cci, regs: reg_list->regs, |
| 1038 | num_regs: reg_list->num_of_regs, NULL); |
| 1039 | if (ret) { |
| 1040 | dev_err(imx335->dev, "%s failed to set plls\n" , __func__); |
| 1041 | goto err_rpm_put; |
| 1042 | } |
| 1043 | |
| 1044 | /* Write sensor mode registers */ |
| 1045 | reg_list = &imx335->cur_mode->reg_list; |
| 1046 | ret = cci_multi_reg_write(map: imx335->cci, regs: reg_list->regs, |
| 1047 | num_regs: reg_list->num_of_regs, NULL); |
| 1048 | if (ret) { |
| 1049 | dev_err(imx335->dev, "fail to write initial registers\n" ); |
| 1050 | goto err_rpm_put; |
| 1051 | } |
| 1052 | |
| 1053 | /* Write sensor common registers */ |
| 1054 | ret = cci_multi_reg_write(map: imx335->cci, regs: imx335_common_regs, |
| 1055 | ARRAY_SIZE(imx335_common_regs), NULL); |
| 1056 | if (ret) { |
| 1057 | dev_err(imx335->dev, "fail to write initial registers\n" ); |
| 1058 | goto err_rpm_put; |
| 1059 | } |
| 1060 | |
| 1061 | ret = imx335_set_framefmt(imx335); |
| 1062 | if (ret) { |
| 1063 | dev_err(imx335->dev, "%s failed to set frame format: %d\n" , |
| 1064 | __func__, ret); |
| 1065 | goto err_rpm_put; |
| 1066 | } |
| 1067 | |
| 1068 | /* Configure lanes */ |
| 1069 | ret = cci_write(map: imx335->cci, IMX335_REG_LANEMODE, |
| 1070 | val: imx335->lane_mode, NULL); |
| 1071 | if (ret) |
| 1072 | goto err_rpm_put; |
| 1073 | |
| 1074 | /* Setup handler will write actual exposure and gain */ |
| 1075 | ret = __v4l2_ctrl_handler_setup(hdl: imx335->sd.ctrl_handler); |
| 1076 | if (ret) { |
| 1077 | dev_err(imx335->dev, "fail to setup handler\n" ); |
| 1078 | goto err_rpm_put; |
| 1079 | } |
| 1080 | |
| 1081 | /* Start streaming */ |
| 1082 | ret = cci_write(map: imx335->cci, IMX335_REG_MODE_SELECT, |
| 1083 | IMX335_MODE_STREAMING, NULL); |
| 1084 | if (ret) { |
| 1085 | dev_err(imx335->dev, "fail to start streaming\n" ); |
| 1086 | goto err_rpm_put; |
| 1087 | } |
| 1088 | |
| 1089 | /* Initial regulator stabilization period */ |
| 1090 | usleep_range(min: 18000, max: 20000); |
| 1091 | |
| 1092 | return 0; |
| 1093 | |
| 1094 | err_rpm_put: |
| 1095 | pm_runtime_put(dev: imx335->dev); |
| 1096 | |
| 1097 | return ret; |
| 1098 | } |
| 1099 | |
| 1100 | /** |
| 1101 | * imx335_disable_streams() - Disable sensor streams |
| 1102 | * @sd: V4L2 subdevice |
| 1103 | * @state: V4L2 subdevice state |
| 1104 | * @pad: The pad to disable |
| 1105 | * @streams_mask: Bitmask of streams to disable |
| 1106 | * |
| 1107 | * Return: 0 if successful, error code otherwise. |
| 1108 | */ |
| 1109 | static int imx335_disable_streams(struct v4l2_subdev *sd, |
| 1110 | struct v4l2_subdev_state *state, u32 pad, |
| 1111 | u64 streams_mask) |
| 1112 | { |
| 1113 | struct imx335 *imx335 = to_imx335(subdev: sd); |
| 1114 | int ret; |
| 1115 | |
| 1116 | ret = cci_write(map: imx335->cci, IMX335_REG_MODE_SELECT, |
| 1117 | IMX335_MODE_STANDBY, NULL); |
| 1118 | pm_runtime_put(dev: imx335->dev); |
| 1119 | |
| 1120 | return ret; |
| 1121 | } |
| 1122 | |
| 1123 | /** |
| 1124 | * imx335_detect() - Detect imx335 sensor |
| 1125 | * @imx335: pointer to imx335 device |
| 1126 | * |
| 1127 | * Return: 0 if successful, -EIO if sensor id does not match |
| 1128 | */ |
| 1129 | static int imx335_detect(struct imx335 *imx335) |
| 1130 | { |
| 1131 | int ret; |
| 1132 | u64 val; |
| 1133 | |
| 1134 | ret = cci_read(map: imx335->cci, IMX335_REG_ID, val: &val, NULL); |
| 1135 | if (ret) |
| 1136 | return ret; |
| 1137 | |
| 1138 | if (val != IMX335_ID) { |
| 1139 | dev_err(imx335->dev, "chip id mismatch: %x!=%llx\n" , |
| 1140 | IMX335_ID, val); |
| 1141 | return -ENXIO; |
| 1142 | } |
| 1143 | |
| 1144 | return 0; |
| 1145 | } |
| 1146 | |
| 1147 | /** |
| 1148 | * imx335_parse_hw_config() - Parse HW configuration and check if supported |
| 1149 | * @imx335: pointer to imx335 device |
| 1150 | * |
| 1151 | * Return: 0 if successful, error code otherwise. |
| 1152 | */ |
| 1153 | static int imx335_parse_hw_config(struct imx335 *imx335) |
| 1154 | { |
| 1155 | struct fwnode_handle *fwnode = dev_fwnode(imx335->dev); |
| 1156 | struct v4l2_fwnode_endpoint bus_cfg = { |
| 1157 | .bus_type = V4L2_MBUS_CSI2_DPHY |
| 1158 | }; |
| 1159 | struct fwnode_handle *ep; |
| 1160 | unsigned long rate; |
| 1161 | unsigned int i; |
| 1162 | int ret; |
| 1163 | |
| 1164 | if (!fwnode) |
| 1165 | return -ENXIO; |
| 1166 | |
| 1167 | /* Request optional reset pin */ |
| 1168 | imx335->reset_gpio = devm_gpiod_get_optional(dev: imx335->dev, con_id: "reset" , |
| 1169 | flags: GPIOD_OUT_HIGH); |
| 1170 | if (IS_ERR(ptr: imx335->reset_gpio)) { |
| 1171 | dev_err(imx335->dev, "failed to get reset gpio %pe\n" , |
| 1172 | imx335->reset_gpio); |
| 1173 | return PTR_ERR(ptr: imx335->reset_gpio); |
| 1174 | } |
| 1175 | |
| 1176 | for (i = 0; i < ARRAY_SIZE(imx335_supply_name); i++) |
| 1177 | imx335->supplies[i].supply = imx335_supply_name[i]; |
| 1178 | |
| 1179 | ret = devm_regulator_bulk_get(dev: imx335->dev, |
| 1180 | ARRAY_SIZE(imx335_supply_name), |
| 1181 | consumers: imx335->supplies); |
| 1182 | if (ret) { |
| 1183 | dev_err(imx335->dev, "Failed to get regulators\n" ); |
| 1184 | return ret; |
| 1185 | } |
| 1186 | |
| 1187 | /* Get sensor input clock */ |
| 1188 | imx335->inclk = devm_v4l2_sensor_clk_get(dev: imx335->dev, NULL); |
| 1189 | if (IS_ERR(ptr: imx335->inclk)) |
| 1190 | return dev_err_probe(dev: imx335->dev, err: PTR_ERR(ptr: imx335->inclk), |
| 1191 | fmt: "could not get inclk\n" ); |
| 1192 | |
| 1193 | rate = clk_get_rate(clk: imx335->inclk); |
| 1194 | if (rate != IMX335_INCLK_RATE) { |
| 1195 | dev_err(imx335->dev, "inclk frequency mismatch\n" ); |
| 1196 | return -EINVAL; |
| 1197 | } |
| 1198 | |
| 1199 | ep = fwnode_graph_get_next_endpoint(fwnode, NULL); |
| 1200 | if (!ep) { |
| 1201 | dev_err(imx335->dev, "Failed to get next endpoint\n" ); |
| 1202 | return -ENXIO; |
| 1203 | } |
| 1204 | |
| 1205 | ret = v4l2_fwnode_endpoint_alloc_parse(fwnode: ep, vep: &bus_cfg); |
| 1206 | fwnode_handle_put(fwnode: ep); |
| 1207 | if (ret) |
| 1208 | return ret; |
| 1209 | |
| 1210 | switch (bus_cfg.bus.mipi_csi2.num_data_lanes) { |
| 1211 | case 2: |
| 1212 | imx335->lane_mode = IMX335_2LANE; |
| 1213 | break; |
| 1214 | case 4: |
| 1215 | imx335->lane_mode = IMX335_4LANE; |
| 1216 | break; |
| 1217 | default: |
| 1218 | dev_err(imx335->dev, |
| 1219 | "number of CSI2 data lanes %d is not supported\n" , |
| 1220 | bus_cfg.bus.mipi_csi2.num_data_lanes); |
| 1221 | ret = -EINVAL; |
| 1222 | goto done_endpoint_free; |
| 1223 | } |
| 1224 | |
| 1225 | ret = v4l2_link_freq_to_bitmap(dev: imx335->dev, fw_link_freqs: bus_cfg.link_frequencies, |
| 1226 | num_of_fw_link_freqs: bus_cfg.nr_of_link_frequencies, |
| 1227 | driver_link_freqs: link_freq, ARRAY_SIZE(link_freq), |
| 1228 | bitmap: &imx335->link_freq_bitmap); |
| 1229 | |
| 1230 | done_endpoint_free: |
| 1231 | v4l2_fwnode_endpoint_free(vep: &bus_cfg); |
| 1232 | |
| 1233 | return ret; |
| 1234 | } |
| 1235 | |
| 1236 | /* V4l2 subdevice ops */ |
| 1237 | static const struct v4l2_subdev_video_ops imx335_video_ops = { |
| 1238 | .s_stream = v4l2_subdev_s_stream_helper, |
| 1239 | }; |
| 1240 | |
| 1241 | static const struct v4l2_subdev_pad_ops imx335_pad_ops = { |
| 1242 | .enum_mbus_code = imx335_enum_mbus_code, |
| 1243 | .enum_frame_size = imx335_enum_frame_size, |
| 1244 | .get_selection = imx335_get_selection, |
| 1245 | .set_selection = imx335_get_selection, |
| 1246 | .get_fmt = v4l2_subdev_get_fmt, |
| 1247 | .set_fmt = imx335_set_pad_format, |
| 1248 | .enable_streams = imx335_enable_streams, |
| 1249 | .disable_streams = imx335_disable_streams, |
| 1250 | }; |
| 1251 | |
| 1252 | static const struct v4l2_subdev_ops imx335_subdev_ops = { |
| 1253 | .video = &imx335_video_ops, |
| 1254 | .pad = &imx335_pad_ops, |
| 1255 | }; |
| 1256 | |
| 1257 | static const struct v4l2_subdev_internal_ops imx335_internal_ops = { |
| 1258 | .init_state = imx335_init_state, |
| 1259 | }; |
| 1260 | |
| 1261 | /** |
| 1262 | * imx335_power_on() - Sensor power on sequence |
| 1263 | * @dev: pointer to i2c device |
| 1264 | * |
| 1265 | * Return: 0 if successful, error code otherwise. |
| 1266 | */ |
| 1267 | static int imx335_power_on(struct device *dev) |
| 1268 | { |
| 1269 | struct v4l2_subdev *sd = dev_get_drvdata(dev); |
| 1270 | struct imx335 *imx335 = to_imx335(subdev: sd); |
| 1271 | int ret; |
| 1272 | |
| 1273 | ret = regulator_bulk_enable(ARRAY_SIZE(imx335_supply_name), |
| 1274 | consumers: imx335->supplies); |
| 1275 | if (ret) { |
| 1276 | dev_err(dev, "%s: failed to enable regulators\n" , |
| 1277 | __func__); |
| 1278 | return ret; |
| 1279 | } |
| 1280 | |
| 1281 | usleep_range(min: 500, max: 550); /* Tlow */ |
| 1282 | |
| 1283 | gpiod_set_value_cansleep(desc: imx335->reset_gpio, value: 0); |
| 1284 | |
| 1285 | ret = clk_prepare_enable(clk: imx335->inclk); |
| 1286 | if (ret) { |
| 1287 | dev_err(imx335->dev, "fail to enable inclk\n" ); |
| 1288 | goto error_reset; |
| 1289 | } |
| 1290 | |
| 1291 | usleep_range(min: 20, max: 22); /* T4 */ |
| 1292 | |
| 1293 | return 0; |
| 1294 | |
| 1295 | error_reset: |
| 1296 | gpiod_set_value_cansleep(desc: imx335->reset_gpio, value: 1); |
| 1297 | regulator_bulk_disable(ARRAY_SIZE(imx335_supply_name), consumers: imx335->supplies); |
| 1298 | |
| 1299 | return ret; |
| 1300 | } |
| 1301 | |
| 1302 | /** |
| 1303 | * imx335_power_off() - Sensor power off sequence |
| 1304 | * @dev: pointer to i2c device |
| 1305 | * |
| 1306 | * Return: 0 if successful, error code otherwise. |
| 1307 | */ |
| 1308 | static int imx335_power_off(struct device *dev) |
| 1309 | { |
| 1310 | struct v4l2_subdev *sd = dev_get_drvdata(dev); |
| 1311 | struct imx335 *imx335 = to_imx335(subdev: sd); |
| 1312 | |
| 1313 | gpiod_set_value_cansleep(desc: imx335->reset_gpio, value: 1); |
| 1314 | clk_disable_unprepare(clk: imx335->inclk); |
| 1315 | regulator_bulk_disable(ARRAY_SIZE(imx335_supply_name), consumers: imx335->supplies); |
| 1316 | |
| 1317 | return 0; |
| 1318 | } |
| 1319 | |
| 1320 | /** |
| 1321 | * imx335_init_controls() - Initialize sensor subdevice controls |
| 1322 | * @imx335: pointer to imx335 device |
| 1323 | * |
| 1324 | * Return: 0 if successful, error code otherwise. |
| 1325 | */ |
| 1326 | static int imx335_init_controls(struct imx335 *imx335) |
| 1327 | { |
| 1328 | struct v4l2_ctrl_handler *ctrl_hdlr = &imx335->ctrl_handler; |
| 1329 | const struct imx335_mode *mode = imx335->cur_mode; |
| 1330 | struct v4l2_fwnode_device_properties props; |
| 1331 | u32 lpfr, shutter_min; |
| 1332 | int ret; |
| 1333 | |
| 1334 | ret = v4l2_fwnode_device_parse(dev: imx335->dev, props: &props); |
| 1335 | if (ret) |
| 1336 | return ret; |
| 1337 | |
| 1338 | /* v4l2_fwnode_device_properties can add two more controls */ |
| 1339 | ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10); |
| 1340 | if (ret) |
| 1341 | return ret; |
| 1342 | |
| 1343 | /* Initialize exposure and gain */ |
| 1344 | lpfr = mode->vblank + mode->height; |
| 1345 | shutter_min = IMX335_SHUTTER_MIN; |
| 1346 | if (mode->scan_mode == IMX335_2_2_BINNING) |
| 1347 | shutter_min = IMX335_SHUTTER_MIN_BINNED; |
| 1348 | imx335->exp_ctrl = v4l2_ctrl_new_std(hdl: ctrl_hdlr, |
| 1349 | ops: &imx335_ctrl_ops, |
| 1350 | V4L2_CID_EXPOSURE, |
| 1351 | IMX335_EXPOSURE_MIN, |
| 1352 | max: lpfr - shutter_min, |
| 1353 | IMX335_EXPOSURE_STEP, |
| 1354 | IMX335_EXPOSURE_DEFAULT); |
| 1355 | |
| 1356 | /* |
| 1357 | * The sensor has an analog gain and a digital gain, both controlled |
| 1358 | * through a single gain value, expressed in 0.3dB increments. Values |
| 1359 | * from 0.0dB (0) to 30.0dB (100) apply analog gain only, higher values |
| 1360 | * up to 72.0dB (240) add further digital gain. Limit the range to |
| 1361 | * analog gain only, support for digital gain can be added separately |
| 1362 | * if needed. |
| 1363 | */ |
| 1364 | imx335->again_ctrl = v4l2_ctrl_new_std(hdl: ctrl_hdlr, |
| 1365 | ops: &imx335_ctrl_ops, |
| 1366 | V4L2_CID_ANALOGUE_GAIN, |
| 1367 | IMX335_AGAIN_MIN, |
| 1368 | IMX335_AGAIN_MAX, |
| 1369 | IMX335_AGAIN_STEP, |
| 1370 | IMX335_AGAIN_DEFAULT); |
| 1371 | |
| 1372 | v4l2_ctrl_cluster(ncontrols: 2, controls: &imx335->exp_ctrl); |
| 1373 | |
| 1374 | imx335->vflip = v4l2_ctrl_new_std(hdl: ctrl_hdlr, |
| 1375 | ops: &imx335_ctrl_ops, |
| 1376 | V4L2_CID_VFLIP, |
| 1377 | min: 0, max: 1, step: 1, def: 0); |
| 1378 | if (imx335->vflip) |
| 1379 | imx335->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; |
| 1380 | |
| 1381 | imx335->vblank_ctrl = v4l2_ctrl_new_std(hdl: ctrl_hdlr, |
| 1382 | ops: &imx335_ctrl_ops, |
| 1383 | V4L2_CID_VBLANK, |
| 1384 | min: mode->vblank_min, |
| 1385 | max: mode->vblank_max, |
| 1386 | step: 1, def: mode->vblank); |
| 1387 | |
| 1388 | v4l2_ctrl_new_std_menu_items(hdl: ctrl_hdlr, |
| 1389 | ops: &imx335_ctrl_ops, |
| 1390 | V4L2_CID_TEST_PATTERN, |
| 1391 | ARRAY_SIZE(imx335_tpg_menu) - 1, |
| 1392 | mask: 0, def: 0, qmenu: imx335_tpg_menu); |
| 1393 | |
| 1394 | /* Read only controls */ |
| 1395 | imx335->pclk_ctrl = v4l2_ctrl_new_std(hdl: ctrl_hdlr, |
| 1396 | ops: &imx335_ctrl_ops, |
| 1397 | V4L2_CID_PIXEL_RATE, |
| 1398 | min: mode->pclk, max: mode->pclk, |
| 1399 | step: 1, def: mode->pclk); |
| 1400 | |
| 1401 | imx335->link_freq_ctrl = v4l2_ctrl_new_int_menu(hdl: ctrl_hdlr, |
| 1402 | ops: &imx335_ctrl_ops, |
| 1403 | V4L2_CID_LINK_FREQ, |
| 1404 | max: __fls(word: imx335->link_freq_bitmap), |
| 1405 | __ffs(imx335->link_freq_bitmap), |
| 1406 | qmenu_int: link_freq); |
| 1407 | if (imx335->link_freq_ctrl) |
| 1408 | imx335->link_freq_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
| 1409 | |
| 1410 | imx335->hblank_ctrl = v4l2_ctrl_new_std(hdl: ctrl_hdlr, |
| 1411 | ops: &imx335_ctrl_ops, |
| 1412 | V4L2_CID_HBLANK, |
| 1413 | min: mode->hblank, |
| 1414 | max: mode->hblank, |
| 1415 | step: 1, def: mode->hblank); |
| 1416 | if (imx335->hblank_ctrl) |
| 1417 | imx335->hblank_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
| 1418 | |
| 1419 | v4l2_ctrl_new_fwnode_properties(hdl: ctrl_hdlr, ctrl_ops: &imx335_ctrl_ops, p: &props); |
| 1420 | |
| 1421 | if (ctrl_hdlr->error) { |
| 1422 | dev_err(imx335->dev, "control init failed: %d\n" , |
| 1423 | ctrl_hdlr->error); |
| 1424 | v4l2_ctrl_handler_free(hdl: ctrl_hdlr); |
| 1425 | return ctrl_hdlr->error; |
| 1426 | } |
| 1427 | |
| 1428 | imx335->sd.ctrl_handler = ctrl_hdlr; |
| 1429 | |
| 1430 | return 0; |
| 1431 | } |
| 1432 | |
| 1433 | /** |
| 1434 | * imx335_probe() - I2C client device binding |
| 1435 | * @client: pointer to i2c client device |
| 1436 | * |
| 1437 | * Return: 0 if successful, error code otherwise. |
| 1438 | */ |
| 1439 | static int imx335_probe(struct i2c_client *client) |
| 1440 | { |
| 1441 | struct imx335 *imx335; |
| 1442 | int ret; |
| 1443 | |
| 1444 | imx335 = devm_kzalloc(dev: &client->dev, size: sizeof(*imx335), GFP_KERNEL); |
| 1445 | if (!imx335) |
| 1446 | return -ENOMEM; |
| 1447 | |
| 1448 | imx335->dev = &client->dev; |
| 1449 | imx335->cci = devm_cci_regmap_init_i2c(client, reg_addr_bits: 16); |
| 1450 | if (IS_ERR(ptr: imx335->cci)) { |
| 1451 | dev_err(imx335->dev, "Unable to initialize I2C\n" ); |
| 1452 | return -ENODEV; |
| 1453 | } |
| 1454 | |
| 1455 | /* Initialize subdev */ |
| 1456 | v4l2_i2c_subdev_init(sd: &imx335->sd, client, ops: &imx335_subdev_ops); |
| 1457 | imx335->sd.internal_ops = &imx335_internal_ops; |
| 1458 | |
| 1459 | ret = imx335_parse_hw_config(imx335); |
| 1460 | if (ret) { |
| 1461 | dev_err(imx335->dev, "HW configuration is not supported\n" ); |
| 1462 | return ret; |
| 1463 | } |
| 1464 | |
| 1465 | ret = imx335_power_on(dev: imx335->dev); |
| 1466 | if (ret) { |
| 1467 | dev_err(imx335->dev, "failed to power-on the sensor\n" ); |
| 1468 | return ret; |
| 1469 | } |
| 1470 | |
| 1471 | /* Check module identity */ |
| 1472 | ret = imx335_detect(imx335); |
| 1473 | if (ret) { |
| 1474 | dev_err(imx335->dev, "failed to find sensor: %d\n" , ret); |
| 1475 | goto error_power_off; |
| 1476 | } |
| 1477 | |
| 1478 | /* Set default mode to max resolution */ |
| 1479 | imx335->cur_mode = &supported_modes[0]; |
| 1480 | imx335->cur_mbus_code = imx335_mbus_codes[0]; |
| 1481 | imx335->vblank = imx335->cur_mode->vblank; |
| 1482 | |
| 1483 | ret = imx335_init_controls(imx335); |
| 1484 | if (ret) { |
| 1485 | dev_err(imx335->dev, "failed to init controls: %d\n" , ret); |
| 1486 | goto error_power_off; |
| 1487 | } |
| 1488 | |
| 1489 | /* Initialize subdev */ |
| 1490 | imx335->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; |
| 1491 | imx335->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; |
| 1492 | |
| 1493 | /* Initialize source pad */ |
| 1494 | imx335->pad.flags = MEDIA_PAD_FL_SOURCE; |
| 1495 | ret = media_entity_pads_init(entity: &imx335->sd.entity, num_pads: 1, pads: &imx335->pad); |
| 1496 | if (ret) { |
| 1497 | dev_err(imx335->dev, "failed to init entity pads: %d\n" , ret); |
| 1498 | goto error_handler_free; |
| 1499 | } |
| 1500 | |
| 1501 | imx335->sd.state_lock = imx335->ctrl_handler.lock; |
| 1502 | ret = v4l2_subdev_init_finalize(&imx335->sd); |
| 1503 | if (ret < 0) { |
| 1504 | dev_err(imx335->dev, "subdev init error\n" ); |
| 1505 | goto error_media_entity; |
| 1506 | } |
| 1507 | |
| 1508 | ret = v4l2_async_register_subdev_sensor(sd: &imx335->sd); |
| 1509 | if (ret < 0) { |
| 1510 | dev_err(imx335->dev, |
| 1511 | "failed to register async subdev: %d\n" , ret); |
| 1512 | goto error_subdev_cleanup; |
| 1513 | } |
| 1514 | |
| 1515 | pm_runtime_set_active(dev: imx335->dev); |
| 1516 | pm_runtime_enable(dev: imx335->dev); |
| 1517 | pm_runtime_idle(dev: imx335->dev); |
| 1518 | |
| 1519 | return 0; |
| 1520 | |
| 1521 | error_subdev_cleanup: |
| 1522 | v4l2_subdev_cleanup(sd: &imx335->sd); |
| 1523 | error_media_entity: |
| 1524 | media_entity_cleanup(entity: &imx335->sd.entity); |
| 1525 | error_handler_free: |
| 1526 | v4l2_ctrl_handler_free(hdl: imx335->sd.ctrl_handler); |
| 1527 | error_power_off: |
| 1528 | imx335_power_off(dev: imx335->dev); |
| 1529 | |
| 1530 | return ret; |
| 1531 | } |
| 1532 | |
| 1533 | /** |
| 1534 | * imx335_remove() - I2C client device unbinding |
| 1535 | * @client: pointer to I2C client device |
| 1536 | * |
| 1537 | * Return: 0 if successful, error code otherwise. |
| 1538 | */ |
| 1539 | static void imx335_remove(struct i2c_client *client) |
| 1540 | { |
| 1541 | struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| 1542 | |
| 1543 | v4l2_async_unregister_subdev(sd); |
| 1544 | v4l2_subdev_cleanup(sd); |
| 1545 | media_entity_cleanup(entity: &sd->entity); |
| 1546 | v4l2_ctrl_handler_free(hdl: sd->ctrl_handler); |
| 1547 | |
| 1548 | pm_runtime_disable(dev: &client->dev); |
| 1549 | if (!pm_runtime_status_suspended(dev: &client->dev)) |
| 1550 | imx335_power_off(dev: &client->dev); |
| 1551 | pm_runtime_set_suspended(dev: &client->dev); |
| 1552 | } |
| 1553 | |
| 1554 | static const struct dev_pm_ops imx335_pm_ops = { |
| 1555 | SET_RUNTIME_PM_OPS(imx335_power_off, imx335_power_on, NULL) |
| 1556 | }; |
| 1557 | |
| 1558 | static const struct of_device_id imx335_of_match[] = { |
| 1559 | { .compatible = "sony,imx335" }, |
| 1560 | { } |
| 1561 | }; |
| 1562 | |
| 1563 | MODULE_DEVICE_TABLE(of, imx335_of_match); |
| 1564 | |
| 1565 | static struct i2c_driver imx335_driver = { |
| 1566 | .probe = imx335_probe, |
| 1567 | .remove = imx335_remove, |
| 1568 | .driver = { |
| 1569 | .name = "imx335" , |
| 1570 | .pm = &imx335_pm_ops, |
| 1571 | .of_match_table = imx335_of_match, |
| 1572 | }, |
| 1573 | }; |
| 1574 | |
| 1575 | module_i2c_driver(imx335_driver); |
| 1576 | |
| 1577 | MODULE_DESCRIPTION("Sony imx335 sensor driver" ); |
| 1578 | MODULE_LICENSE("GPL" ); |
| 1579 | |