1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * MIPI DSI Bus 4 * 5 * Copyright (C) 2012-2013, Samsung Electronics, Co., Ltd. 6 * Andrzej Hajda <a.hajda@samsung.com> 7 */ 8 9 #ifndef __DRM_MIPI_DSI_H__ 10 #define __DRM_MIPI_DSI_H__ 11 12 #include <linux/device.h> 13 #include <linux/delay.h> 14 15 struct mipi_dsi_host; 16 struct mipi_dsi_device; 17 struct drm_dsc_picture_parameter_set; 18 19 /* request ACK from peripheral */ 20 #define MIPI_DSI_MSG_REQ_ACK BIT(0) 21 /* use Low Power Mode to transmit message */ 22 #define MIPI_DSI_MSG_USE_LPM BIT(1) 23 24 /** 25 * struct mipi_dsi_msg - read/write DSI buffer 26 * @channel: virtual channel id 27 * @type: payload data type 28 * @flags: flags controlling this message transmission 29 * @tx_len: length of @tx_buf 30 * @tx_buf: data to be written 31 * @rx_len: length of @rx_buf 32 * @rx_buf: data to be read, or NULL 33 */ 34 struct mipi_dsi_msg { 35 u8 channel; 36 u8 type; 37 u16 flags; 38 39 size_t tx_len; 40 const void *tx_buf; 41 42 size_t rx_len; 43 void *rx_buf; 44 }; 45 46 bool mipi_dsi_packet_format_is_short(u8 type); 47 bool mipi_dsi_packet_format_is_long(u8 type); 48 49 /** 50 * struct mipi_dsi_packet - represents a MIPI DSI packet in protocol format 51 * @size: size (in bytes) of the packet 52 * @header: the four bytes that make up the header (Data ID, Word Count or 53 * Packet Data, and ECC) 54 * @payload_length: number of bytes in the payload 55 * @payload: a pointer to a buffer containing the payload, if any 56 */ 57 struct mipi_dsi_packet { 58 size_t size; 59 u8 header[4]; 60 size_t payload_length; 61 const u8 *payload; 62 }; 63 64 int mipi_dsi_create_packet(struct mipi_dsi_packet *packet, 65 const struct mipi_dsi_msg *msg); 66 67 /** 68 * struct mipi_dsi_host_ops - DSI bus operations 69 * @attach: attach DSI device to DSI host 70 * @detach: detach DSI device from DSI host 71 * @transfer: transmit a DSI packet 72 * 73 * DSI packets transmitted by .transfer() are passed in as mipi_dsi_msg 74 * structures. This structure contains information about the type of packet 75 * being transmitted as well as the transmit and receive buffers. When an 76 * error is encountered during transmission, this function will return a 77 * negative error code. On success it shall return the number of bytes 78 * transmitted for write packets or the number of bytes received for read 79 * packets. 80 * 81 * Note that typically DSI packet transmission is atomic, so the .transfer() 82 * function will seldomly return anything other than the number of bytes 83 * contained in the transmit buffer on success. 84 * 85 * Also note that those callbacks can be called no matter the state the 86 * host is in. Drivers that need the underlying device to be powered to 87 * perform these operations will first need to make sure it's been 88 * properly enabled. 89 */ 90 struct mipi_dsi_host_ops { 91 int (*attach)(struct mipi_dsi_host *host, 92 struct mipi_dsi_device *dsi); 93 int (*detach)(struct mipi_dsi_host *host, 94 struct mipi_dsi_device *dsi); 95 ssize_t (*transfer)(struct mipi_dsi_host *host, 96 const struct mipi_dsi_msg *msg); 97 }; 98 99 /** 100 * struct mipi_dsi_host - DSI host device 101 * @dev: driver model device node for this DSI host 102 * @ops: DSI host operations 103 * @list: list management 104 */ 105 struct mipi_dsi_host { 106 struct device *dev; 107 const struct mipi_dsi_host_ops *ops; 108 struct list_head list; 109 }; 110 111 int mipi_dsi_host_register(struct mipi_dsi_host *host); 112 void mipi_dsi_host_unregister(struct mipi_dsi_host *host); 113 struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node); 114 115 /* DSI mode flags */ 116 117 /* video mode */ 118 #define MIPI_DSI_MODE_VIDEO BIT(0) 119 /* video burst mode */ 120 #define MIPI_DSI_MODE_VIDEO_BURST BIT(1) 121 /* video pulse mode */ 122 #define MIPI_DSI_MODE_VIDEO_SYNC_PULSE BIT(2) 123 /* enable auto vertical count mode */ 124 #define MIPI_DSI_MODE_VIDEO_AUTO_VERT BIT(3) 125 /* enable hsync-end packets in vsync-pulse and v-porch area */ 126 #define MIPI_DSI_MODE_VIDEO_HSE BIT(4) 127 /* disable hfront-porch area */ 128 #define MIPI_DSI_MODE_VIDEO_NO_HFP BIT(5) 129 /* disable hback-porch area */ 130 #define MIPI_DSI_MODE_VIDEO_NO_HBP BIT(6) 131 /* disable hsync-active area */ 132 #define MIPI_DSI_MODE_VIDEO_NO_HSA BIT(7) 133 /* disable EoT packets in HS mode */ 134 #define MIPI_DSI_MODE_NO_EOT_PACKET BIT(9) 135 /* device supports non-continuous clock behavior (DSI spec 5.6.1) */ 136 #define MIPI_DSI_CLOCK_NON_CONTINUOUS BIT(10) 137 /* transmit data in low power */ 138 #define MIPI_DSI_MODE_LPM BIT(11) 139 /* transmit data ending at the same time for all lanes within one hsync */ 140 #define MIPI_DSI_HS_PKT_END_ALIGNED BIT(12) 141 142 enum mipi_dsi_pixel_format { 143 MIPI_DSI_FMT_RGB888, 144 MIPI_DSI_FMT_RGB666, 145 MIPI_DSI_FMT_RGB666_PACKED, 146 MIPI_DSI_FMT_RGB565, 147 }; 148 149 #define DSI_DEV_NAME_SIZE 20 150 151 /** 152 * struct mipi_dsi_device_info - template for creating a mipi_dsi_device 153 * @type: DSI peripheral chip type 154 * @channel: DSI virtual channel assigned to peripheral 155 * @node: pointer to OF device node or NULL 156 * 157 * This is populated and passed to mipi_dsi_device_new to create a new 158 * DSI device 159 */ 160 struct mipi_dsi_device_info { 161 char type[DSI_DEV_NAME_SIZE]; 162 u32 channel; 163 struct device_node *node; 164 }; 165 166 /** 167 * struct mipi_dsi_device - DSI peripheral device 168 * @host: DSI host for this peripheral 169 * @dev: driver model device node for this peripheral 170 * @attached: the DSI device has been successfully attached 171 * @name: DSI peripheral chip type 172 * @channel: virtual channel assigned to the peripheral 173 * @format: pixel format for video mode 174 * @lanes: number of active data lanes 175 * @mode_flags: DSI operation mode related flags 176 * @hs_rate: maximum lane frequency for high speed mode in hertz, this should 177 * be set to the real limits of the hardware, zero is only accepted for 178 * legacy drivers 179 * @lp_rate: maximum lane frequency for low power mode in hertz, this should 180 * be set to the real limits of the hardware, zero is only accepted for 181 * legacy drivers 182 * @dsc: panel/bridge DSC pps payload to be sent 183 */ 184 struct mipi_dsi_device { 185 struct mipi_dsi_host *host; 186 struct device dev; 187 bool attached; 188 189 char name[DSI_DEV_NAME_SIZE]; 190 unsigned int channel; 191 unsigned int lanes; 192 enum mipi_dsi_pixel_format format; 193 unsigned long mode_flags; 194 unsigned long hs_rate; 195 unsigned long lp_rate; 196 struct drm_dsc_config *dsc; 197 }; 198 199 /** 200 * struct mipi_dsi_multi_context - Context to call multiple MIPI DSI funcs in a row 201 */ 202 struct mipi_dsi_multi_context { 203 /** 204 * @dsi: Pointer to the MIPI DSI device 205 */ 206 struct mipi_dsi_device *dsi; 207 208 /** 209 * @accum_err: Storage for the accumulated error over the multiple calls 210 * 211 * Init to 0. If a function encounters an error then the error code 212 * will be stored here. If you call a function and this points to a 213 * non-zero value then the function will be a noop. This allows calling 214 * a function many times in a row and just checking the error at the 215 * end to see if any of them failed. 216 */ 217 int accum_err; 218 }; 219 220 #define MIPI_DSI_MODULE_PREFIX "mipi-dsi:" 221 222 #define to_mipi_dsi_device(__dev) container_of_const(__dev, struct mipi_dsi_device, dev) 223 224 extern const struct bus_type mipi_dsi_bus_type; 225 #define dev_is_mipi_dsi(dev) ((dev)->bus == &mipi_dsi_bus_type) 226 227 /** 228 * mipi_dsi_pixel_format_to_bpp - obtain the number of bits per pixel for any 229 * given pixel format defined by the MIPI DSI 230 * specification 231 * @fmt: MIPI DSI pixel format 232 * 233 * Returns: The number of bits per pixel of the given pixel format. 234 */ 235 static inline int mipi_dsi_pixel_format_to_bpp(enum mipi_dsi_pixel_format fmt) 236 { 237 switch (fmt) { 238 case MIPI_DSI_FMT_RGB888: 239 case MIPI_DSI_FMT_RGB666: 240 return 24; 241 242 case MIPI_DSI_FMT_RGB666_PACKED: 243 return 18; 244 245 case MIPI_DSI_FMT_RGB565: 246 return 16; 247 } 248 249 return -EINVAL; 250 } 251 252 enum mipi_dsi_compression_algo { 253 MIPI_DSI_COMPRESSION_DSC = 0, 254 MIPI_DSI_COMPRESSION_VENDOR = 3, 255 /* other two values are reserved, DSI 1.3 */ 256 }; 257 258 struct mipi_dsi_device * 259 mipi_dsi_device_register_full(struct mipi_dsi_host *host, 260 const struct mipi_dsi_device_info *info); 261 void mipi_dsi_device_unregister(struct mipi_dsi_device *dsi); 262 struct mipi_dsi_device * 263 devm_mipi_dsi_device_register_full(struct device *dev, struct mipi_dsi_host *host, 264 const struct mipi_dsi_device_info *info); 265 struct mipi_dsi_device *of_find_mipi_dsi_device_by_node(struct device_node *np); 266 int mipi_dsi_attach(struct mipi_dsi_device *dsi); 267 int mipi_dsi_detach(struct mipi_dsi_device *dsi); 268 int devm_mipi_dsi_attach(struct device *dev, struct mipi_dsi_device *dsi); 269 int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi); 270 int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi); 271 int mipi_dsi_set_maximum_return_packet_size(struct mipi_dsi_device *dsi, 272 u16 value); 273 int mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable); 274 int mipi_dsi_compression_mode_ext(struct mipi_dsi_device *dsi, bool enable, 275 enum mipi_dsi_compression_algo algo, 276 unsigned int pps_selector); 277 int mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi, 278 const struct drm_dsc_picture_parameter_set *pps); 279 280 void mipi_dsi_compression_mode_ext_multi(struct mipi_dsi_multi_context *ctx, 281 bool enable, 282 enum mipi_dsi_compression_algo algo, 283 unsigned int pps_selector); 284 void mipi_dsi_compression_mode_multi(struct mipi_dsi_multi_context *ctx, 285 bool enable); 286 void mipi_dsi_picture_parameter_set_multi(struct mipi_dsi_multi_context *ctx, 287 const struct drm_dsc_picture_parameter_set *pps); 288 289 ssize_t mipi_dsi_generic_write(struct mipi_dsi_device *dsi, const void *payload, 290 size_t size); 291 void mipi_dsi_generic_write_multi(struct mipi_dsi_multi_context *ctx, 292 const void *payload, size_t size); 293 void mipi_dsi_dual_generic_write_multi(struct mipi_dsi_multi_context *ctx, 294 struct mipi_dsi_device *dsi1, 295 struct mipi_dsi_device *dsi2, 296 const void *payload, size_t size); 297 ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params, 298 size_t num_params, void *data, size_t size); 299 u32 drm_mipi_dsi_get_input_bus_fmt(enum mipi_dsi_pixel_format dsi_format); 300 301 #define mipi_dsi_msleep(ctx, delay) \ 302 do { \ 303 if (!(ctx)->accum_err) \ 304 msleep(delay); \ 305 } while (0) 306 307 #define mipi_dsi_usleep_range(ctx, min, max) \ 308 do { \ 309 if (!(ctx)->accum_err) \ 310 usleep_range(min, max); \ 311 } while (0) 312 313 /** 314 * enum mipi_dsi_dcs_tear_mode - Tearing Effect Output Line mode 315 * @MIPI_DSI_DCS_TEAR_MODE_VBLANK: the TE output line consists of V-Blanking 316 * information only 317 * @MIPI_DSI_DCS_TEAR_MODE_VHBLANK : the TE output line consists of both 318 * V-Blanking and H-Blanking information 319 */ 320 enum mipi_dsi_dcs_tear_mode { 321 MIPI_DSI_DCS_TEAR_MODE_VBLANK, 322 MIPI_DSI_DCS_TEAR_MODE_VHBLANK, 323 }; 324 325 #define MIPI_DSI_DCS_POWER_MODE_DISPLAY (1 << 2) 326 #define MIPI_DSI_DCS_POWER_MODE_NORMAL (1 << 3) 327 #define MIPI_DSI_DCS_POWER_MODE_SLEEP (1 << 4) 328 #define MIPI_DSI_DCS_POWER_MODE_PARTIAL (1 << 5) 329 #define MIPI_DSI_DCS_POWER_MODE_IDLE (1 << 6) 330 331 ssize_t mipi_dsi_dcs_write_buffer(struct mipi_dsi_device *dsi, 332 const void *data, size_t len); 333 int mipi_dsi_dcs_write_buffer_chatty(struct mipi_dsi_device *dsi, 334 const void *data, size_t len); 335 void mipi_dsi_dcs_write_buffer_multi(struct mipi_dsi_multi_context *ctx, 336 const void *data, size_t len); 337 void mipi_dsi_dual_dcs_write_buffer_multi(struct mipi_dsi_multi_context *ctx, 338 struct mipi_dsi_device *dsi1, 339 struct mipi_dsi_device *dsi2, 340 const void *data, size_t len); 341 ssize_t mipi_dsi_dcs_write(struct mipi_dsi_device *dsi, u8 cmd, 342 const void *data, size_t len); 343 ssize_t mipi_dsi_dcs_read(struct mipi_dsi_device *dsi, u8 cmd, void *data, 344 size_t len); 345 int mipi_dsi_dcs_nop(struct mipi_dsi_device *dsi); 346 int mipi_dsi_dcs_soft_reset(struct mipi_dsi_device *dsi); 347 int mipi_dsi_dcs_get_power_mode(struct mipi_dsi_device *dsi, u8 *mode); 348 int mipi_dsi_dcs_get_pixel_format(struct mipi_dsi_device *dsi, u8 *format); 349 int mipi_dsi_dcs_enter_sleep_mode(struct mipi_dsi_device *dsi); 350 int mipi_dsi_dcs_exit_sleep_mode(struct mipi_dsi_device *dsi); 351 int mipi_dsi_dcs_set_display_off(struct mipi_dsi_device *dsi); 352 int mipi_dsi_dcs_set_display_on(struct mipi_dsi_device *dsi); 353 int mipi_dsi_dcs_set_column_address(struct mipi_dsi_device *dsi, u16 start, 354 u16 end); 355 int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start, 356 u16 end); 357 int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi, 358 enum mipi_dsi_dcs_tear_mode mode); 359 int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format); 360 int mipi_dsi_dcs_set_tear_scanline(struct mipi_dsi_device *dsi, u16 scanline); 361 int mipi_dsi_dcs_set_display_brightness(struct mipi_dsi_device *dsi, 362 u16 brightness); 363 int mipi_dsi_dcs_get_display_brightness(struct mipi_dsi_device *dsi, 364 u16 *brightness); 365 int mipi_dsi_dcs_set_display_brightness_large(struct mipi_dsi_device *dsi, 366 u16 brightness); 367 int mipi_dsi_dcs_get_display_brightness_large(struct mipi_dsi_device *dsi, 368 u16 *brightness); 369 370 void mipi_dsi_dcs_nop_multi(struct mipi_dsi_multi_context *ctx); 371 void mipi_dsi_dcs_enter_sleep_mode_multi(struct mipi_dsi_multi_context *ctx); 372 void mipi_dsi_dcs_exit_sleep_mode_multi(struct mipi_dsi_multi_context *ctx); 373 void mipi_dsi_dcs_set_display_off_multi(struct mipi_dsi_multi_context *ctx); 374 void mipi_dsi_dcs_set_display_on_multi(struct mipi_dsi_multi_context *ctx); 375 void mipi_dsi_dcs_set_tear_on_multi(struct mipi_dsi_multi_context *ctx, 376 enum mipi_dsi_dcs_tear_mode mode); 377 void mipi_dsi_turn_on_peripheral_multi(struct mipi_dsi_multi_context *ctx); 378 void mipi_dsi_dcs_soft_reset_multi(struct mipi_dsi_multi_context *ctx); 379 void mipi_dsi_dcs_set_display_brightness_multi(struct mipi_dsi_multi_context *ctx, 380 u16 brightness); 381 void mipi_dsi_dcs_set_pixel_format_multi(struct mipi_dsi_multi_context *ctx, 382 u8 format); 383 void mipi_dsi_dcs_set_column_address_multi(struct mipi_dsi_multi_context *ctx, 384 u16 start, u16 end); 385 void mipi_dsi_dcs_set_page_address_multi(struct mipi_dsi_multi_context *ctx, 386 u16 start, u16 end); 387 void mipi_dsi_dcs_set_tear_scanline_multi(struct mipi_dsi_multi_context *ctx, 388 u16 scanline); 389 void mipi_dsi_dcs_set_tear_off_multi(struct mipi_dsi_multi_context *ctx); 390 391 /** 392 * mipi_dsi_generic_write_seq_multi - transmit data using a generic write packet 393 * 394 * This macro will print errors for you and error handling is optimized for 395 * callers that call this multiple times in a row. 396 * 397 * @ctx: Context for multiple DSI transactions 398 * @seq: buffer containing the payload 399 */ 400 #define mipi_dsi_generic_write_seq_multi(ctx, seq...) \ 401 do { \ 402 static const u8 d[] = { seq }; \ 403 mipi_dsi_generic_write_multi(ctx, d, ARRAY_SIZE(d)); \ 404 } while (0) 405 406 /** 407 * mipi_dsi_dcs_write_seq_multi - transmit a DCS command with payload 408 * 409 * This macro will print errors for you and error handling is optimized for 410 * callers that call this multiple times in a row. 411 * 412 * @ctx: Context for multiple DSI transactions 413 * @cmd: Command 414 * @seq: buffer containing data to be transmitted 415 */ 416 #define mipi_dsi_dcs_write_seq_multi(ctx, cmd, seq...) \ 417 do { \ 418 static const u8 d[] = { cmd, seq }; \ 419 mipi_dsi_dcs_write_buffer_multi(ctx, d, ARRAY_SIZE(d)); \ 420 } while (0) 421 422 /** 423 * mipi_dsi_dual - send the same MIPI DSI command to two interfaces 424 * 425 * This macro will send the specified MIPI DSI command twice, once per each of 426 * the two interfaces supplied. This is useful for reducing duplication of code 427 * in panel drivers which use two parallel serial interfaces. 428 * 429 * Note that the _func parameter cannot accept a macro such as 430 * mipi_dsi_generic_write_multi() or mipi_dsi_dcs_write_buffer_multi(). See 431 * mipi_dsi_dual_generic_write_multi() and 432 * mipi_dsi_dual_dcs_write_buffer_multi() instead. 433 * 434 * WARNING: This macro reuses the _func argument and the optional trailing 435 * arguments twice each, which may cause unintended side effects. For example, 436 * adding the postfix increment ++ operator to one of the arguments to be 437 * passed to _func will cause the variable to be incremented twice instead of 438 * once and the variable will be its original value + 1 when sent to _dsi2. 439 * 440 * @_func: MIPI DSI function to pass context and arguments into 441 * @_ctx: Context for multiple DSI transactions 442 * @_dsi1: First DSI interface to act as recipient of the MIPI DSI command 443 * @_dsi2: Second DSI interface to act as recipient of the MIPI DSI command 444 * @...: Arguments to pass to MIPI DSI function or macro 445 */ 446 447 #define mipi_dsi_dual(_func, _ctx, _dsi1, _dsi2, ...) \ 448 do { \ 449 struct mipi_dsi_multi_context *_ctxcpy = (_ctx); \ 450 _ctxcpy->dsi = (_dsi1); \ 451 (_func)(_ctxcpy, ##__VA_ARGS__); \ 452 _ctxcpy->dsi = (_dsi2); \ 453 (_func)(_ctxcpy, ##__VA_ARGS__); \ 454 } while (0) 455 456 /** 457 * mipi_dsi_dual_generic_write_seq_multi - transmit data using a generic write 458 * packet to two dsi interfaces, one after the other 459 * 460 * This macro will send the specified generic packet twice, once per each of 461 * the two interfaces supplied. This is useful for reducing duplication of code 462 * in panel drivers which use two parallel serial interfaces. 463 * 464 * Note that if an error occurs while transmitting the packet to the first DSI 465 * interface, the packet will not be sent to the second DSI interface. 466 * 467 * This macro will print errors for you and error handling is optimized for 468 * callers that call this multiple times in a row. 469 * 470 * @_ctx: Context for multiple DSI transactions 471 * @_dsi1: First DSI interface to act as recipient of packet 472 * @_dsi2: Second DSI interface to act as recipient of packet 473 * @_seq: buffer containing the payload 474 */ 475 #define mipi_dsi_dual_generic_write_seq_multi(_ctx, _dsi1, _dsi2, _seq...) \ 476 do { \ 477 static const u8 d[] = { _seq }; \ 478 mipi_dsi_dual_generic_write_multi(_ctx, _dsi1, _dsi2, d, \ 479 ARRAY_SIZE(d)); \ 480 } while (0) 481 482 /** 483 * mipi_dsi_dual_dcs_write_seq_multi - transmit a DCS command with payload to 484 * two dsi interfaces, one after the other 485 * 486 * This macro will send the specified DCS command with payload twice, once per 487 * each of the two interfaces supplied. This is useful for reducing duplication 488 * of code in panel drivers which use two parallel serial interfaces. 489 * 490 * Note that if an error occurs while transmitting the payload to the first DSI 491 * interface, the payload will not be sent to the second DSI interface. 492 * 493 * This macro will print errors for you and error handling is optimized for 494 * callers that call this multiple times in a row. 495 * 496 * @_ctx: Context for multiple DSI transactions 497 * @_dsi1: First DSI interface to act as recipient of packet 498 * @_dsi2: Second DSI interface to act as recipient of packet 499 * @_cmd: Command 500 * @_seq: buffer containing the payload 501 */ 502 #define mipi_dsi_dual_dcs_write_seq_multi(_ctx, _dsi1, _dsi2, _cmd, _seq...) \ 503 do { \ 504 static const u8 d[] = { _cmd, _seq }; \ 505 mipi_dsi_dual_dcs_write_buffer_multi(_ctx, _dsi1, _dsi2, d, \ 506 ARRAY_SIZE(d)); \ 507 } while (0) 508 509 /** 510 * struct mipi_dsi_driver - DSI driver 511 * @driver: device driver model driver 512 * @probe: callback for device binding 513 * @remove: callback for device unbinding 514 * @shutdown: called at shutdown time to quiesce the device 515 */ 516 struct mipi_dsi_driver { 517 struct device_driver driver; 518 int(*probe)(struct mipi_dsi_device *dsi); 519 void (*remove)(struct mipi_dsi_device *dsi); 520 void (*shutdown)(struct mipi_dsi_device *dsi); 521 }; 522 523 static inline struct mipi_dsi_driver * 524 to_mipi_dsi_driver(struct device_driver *driver) 525 { 526 return container_of(driver, struct mipi_dsi_driver, driver); 527 } 528 529 static inline void *mipi_dsi_get_drvdata(const struct mipi_dsi_device *dsi) 530 { 531 return dev_get_drvdata(&dsi->dev); 532 } 533 534 static inline void mipi_dsi_set_drvdata(struct mipi_dsi_device *dsi, void *data) 535 { 536 dev_set_drvdata(&dsi->dev, data); 537 } 538 539 int mipi_dsi_driver_register_full(struct mipi_dsi_driver *driver, 540 struct module *owner); 541 void mipi_dsi_driver_unregister(struct mipi_dsi_driver *driver); 542 543 #define mipi_dsi_driver_register(driver) \ 544 mipi_dsi_driver_register_full(driver, THIS_MODULE) 545 546 #define module_mipi_dsi_driver(__mipi_dsi_driver) \ 547 module_driver(__mipi_dsi_driver, mipi_dsi_driver_register, \ 548 mipi_dsi_driver_unregister) 549 550 #endif /* __DRM_MIPI_DSI__ */ 551