2  * MIPI DSI Bus
4  * Copyright (C) 2012-2013, Samsung Electronics, Co., Ltd.
21  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
41  * DOC: dsi helpers
43  * These functions contain some common logic and helpers to deal with MIPI DSI
46  * Helpers are provided for a number of standard MIPI DSI command as well as a
47  * subset of the MIPI DCS command set.
52 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);  in mipi_dsi_device_match()  local
58 	/* compare DSI device and driver names */  in mipi_dsi_device_match()
59 	if (!strcmp(dsi->name, drv->name))  in mipi_dsi_device_match()
67 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);  in mipi_dsi_uevent()  local
71 	if (err != -ENODEV)  in mipi_dsi_uevent()
75 		       dsi->name);  in mipi_dsi_uevent()
92 	.name = "mipi-dsi",
99  * of_find_mipi_dsi_device_by_node() - find the MIPI DSI device matching a
103  * Return: A pointer to the MIPI DSI device corresponding to @np or NULL if no
118 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);  in mipi_dsi_dev_release()  local
120 	of_node_put(dev->of_node);  in mipi_dsi_dev_release()
121 	kfree(dsi);  in mipi_dsi_dev_release()
130 	struct mipi_dsi_device *dsi;  in mipi_dsi_device_alloc()  local
132 	dsi = kzalloc(sizeof(*dsi), GFP_KERNEL);  in mipi_dsi_device_alloc()
133 	if (!dsi)  in mipi_dsi_device_alloc()
134 		return ERR_PTR(-ENOMEM);  in mipi_dsi_device_alloc()
136 	dsi->host = host;  in mipi_dsi_device_alloc()
137 	dsi->dev.bus = &mipi_dsi_bus_type;  in mipi_dsi_device_alloc()
138 	dsi->dev.parent = host->dev;  in mipi_dsi_device_alloc()
139 	dsi->dev.type = &mipi_dsi_device_type;  in mipi_dsi_device_alloc()
141 	device_initialize(&dsi->dev);  in mipi_dsi_device_alloc()
143 	return dsi;  in mipi_dsi_device_alloc()
146 static int mipi_dsi_device_add(struct mipi_dsi_device *dsi)  in mipi_dsi_device_add()  argument
148 	struct mipi_dsi_host *host = dsi->host;  in mipi_dsi_device_add()
150 	dev_set_name(&dsi->dev, "%s.%d", dev_name(host->dev),  dsi->channel);  in mipi_dsi_device_add()
152 	return device_add(&dsi->dev);  in mipi_dsi_device_add()
165 		return ERR_PTR(-EINVAL);  in of_mipi_dsi_device_add()
172 		return ERR_PTR(-EINVAL);  in of_mipi_dsi_device_add()
184 	return ERR_PTR(-ENODEV);  in of_mipi_dsi_device_add()
189  * mipi_dsi_device_register_full - create a MIPI DSI device
190  * @host: DSI host to which this device is connected
191  * @info: pointer to template containing DSI device information
193  * Create a MIPI DSI device by using the device information provided by
197  * A pointer to the newly created MIPI DSI device, or, a pointer encoded
204 	struct mipi_dsi_device *dsi;  in mipi_dsi_device_register_full()  local
209 		return ERR_PTR(-EINVAL);  in mipi_dsi_device_register_full()
212 	if (info->channel > 3) {  in mipi_dsi_device_register_full()
213 		drm_err(host, "invalid virtual channel: %u\n", info->channel);  in mipi_dsi_device_register_full()
214 		return ERR_PTR(-EINVAL);  in mipi_dsi_device_register_full()
217 	dsi = mipi_dsi_device_alloc(host);  in mipi_dsi_device_register_full()
218 	if (IS_ERR(dsi)) {  in mipi_dsi_device_register_full()
219 		drm_err(host, "failed to allocate DSI device %ld\n",  in mipi_dsi_device_register_full()
220 			PTR_ERR(dsi));  in mipi_dsi_device_register_full()
221 		return dsi;  in mipi_dsi_device_register_full()
224 	dsi->dev.of_node = info->node;  in mipi_dsi_device_register_full()
225 	dsi->channel = info->channel;  in mipi_dsi_device_register_full()
226 	strlcpy(dsi->name, info->type, sizeof(dsi->name));  in mipi_dsi_device_register_full()
228 	ret = mipi_dsi_device_add(dsi);  in mipi_dsi_device_register_full()
230 		drm_err(host, "failed to add DSI device %d\n", ret);  in mipi_dsi_device_register_full()
231 		kfree(dsi);  in mipi_dsi_device_register_full()
235 	return dsi;  in mipi_dsi_device_register_full()
240  * mipi_dsi_device_unregister - unregister MIPI DSI device
241  * @dsi: DSI peripheral device
243 void mipi_dsi_device_unregister(struct mipi_dsi_device *dsi)  in mipi_dsi_device_unregister()  argument
245 	device_unregister(&dsi->dev);  in mipi_dsi_device_unregister()
251 	struct mipi_dsi_device *dsi = arg;  in devm_mipi_dsi_device_unregister()  local
253 	mipi_dsi_device_unregister(dsi);  in devm_mipi_dsi_device_unregister()
257  * devm_mipi_dsi_device_register_full - create a managed MIPI DSI device
258  * @dev: device to tie the MIPI-DSI device lifetime to
259  * @host: DSI host to which this device is connected
260  * @info: pointer to template containing DSI device information
262  * Create a MIPI DSI device by using the device information provided by
270  * A pointer to the newly created MIPI DSI device, or, a pointer encoded
278 	struct mipi_dsi_device *dsi;  in devm_mipi_dsi_device_register_full()  local
281 	dsi = mipi_dsi_device_register_full(host, info);  in devm_mipi_dsi_device_register_full()
282 	if (IS_ERR(dsi))  in devm_mipi_dsi_device_register_full()
283 		return dsi;  in devm_mipi_dsi_device_register_full()
287 				       dsi);  in devm_mipi_dsi_device_register_full()
291 	return dsi;  in devm_mipi_dsi_device_register_full()
299  * of_find_mipi_dsi_host_by_node() - find the MIPI DSI host matching a
304  * A pointer to the MIPI DSI host corresponding to @node or NULL if no
314 		if (host->dev->of_node == node) {  in of_find_mipi_dsi_host_by_node()
330 	for_each_available_child_of_node(host->dev->of_node, node) {  in mipi_dsi_host_register()
338 	list_add_tail(&host->list, &host_list);  in mipi_dsi_host_register()
347 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);  in mipi_dsi_remove_device_fn()  local
349 	mipi_dsi_detach(dsi);  in mipi_dsi_remove_device_fn()
350 	mipi_dsi_device_unregister(dsi);  in mipi_dsi_remove_device_fn()
357 	device_for_each_child(host->dev, NULL, mipi_dsi_remove_device_fn);  in mipi_dsi_host_unregister()
360 	list_del_init(&host->list);  in mipi_dsi_host_unregister()
366  * mipi_dsi_attach - attach a DSI device to its DSI host
367  * @dsi: DSI peripheral
369 int mipi_dsi_attach(struct mipi_dsi_device *dsi)  in mipi_dsi_attach()  argument
371 	const struct mipi_dsi_host_ops *ops = dsi->host->ops;  in mipi_dsi_attach()
373 	if (!ops || !ops->attach)  in mipi_dsi_attach()
374 		return -ENOSYS;  in mipi_dsi_attach()
376 	return ops->attach(dsi->host, dsi);  in mipi_dsi_attach()
381  * mipi_dsi_detach - detach a DSI device from its DSI host
382  * @dsi: DSI peripheral
384 int mipi_dsi_detach(struct mipi_dsi_device *dsi)  in mipi_dsi_detach()  argument
386 	const struct mipi_dsi_host_ops *ops = dsi->host->ops;  in mipi_dsi_detach()
388 	if (!ops || !ops->detach)  in mipi_dsi_detach()
389 		return -ENOSYS;  in mipi_dsi_detach()
391 	return ops->detach(dsi->host, dsi);  in mipi_dsi_detach()
397 	struct mipi_dsi_device *dsi = arg;  in devm_mipi_dsi_detach()  local
399 	mipi_dsi_detach(dsi);  in devm_mipi_dsi_detach()
403  * devm_mipi_dsi_attach - Attach a MIPI-DSI device to its DSI Host
404  * @dev: device to tie the MIPI-DSI device attachment lifetime to
405  * @dsi: DSI peripheral
414 			 struct mipi_dsi_device *dsi)  in devm_mipi_dsi_attach()  argument
418 	ret = mipi_dsi_attach(dsi);  in devm_mipi_dsi_attach()
422 	ret = devm_add_action_or_reset(dev, devm_mipi_dsi_detach, dsi);  in devm_mipi_dsi_attach()
430 static ssize_t mipi_dsi_device_transfer(struct mipi_dsi_device *dsi,  in mipi_dsi_device_transfer()  argument
433 	const struct mipi_dsi_host_ops *ops = dsi->host->ops;  in mipi_dsi_device_transfer()
435 	if (!ops || !ops->transfer)  in mipi_dsi_device_transfer()
436 		return -ENOSYS;  in mipi_dsi_device_transfer()
438 	if (dsi->mode_flags & MIPI_DSI_MODE_LPM)  in mipi_dsi_device_transfer()
439 		msg->flags |= MIPI_DSI_MSG_USE_LPM;  in mipi_dsi_device_transfer()
441 	return ops->transfer(dsi->host, msg);  in mipi_dsi_device_transfer()
445  * mipi_dsi_packet_format_is_short - check if a packet is of the short format
446  * @type: MIPI DSI data type of the packet
483  * mipi_dsi_packet_format_is_long - check if a packet is of the long format
484  * @type: MIPI DSI data type of the packet
516  * mipi_dsi_create_packet - create a packet from a message according to the
517  *     DSI protocol
518  * @packet: pointer to a DSI packet structure
527 		return -EINVAL;  in mipi_dsi_create_packet()
530 	if (!mipi_dsi_packet_format_is_short(msg->type) &&  in mipi_dsi_create_packet()
531 	    !mipi_dsi_packet_format_is_long(msg->type))  in mipi_dsi_create_packet()
532 		return -EINVAL;  in mipi_dsi_create_packet()
534 	if (msg->channel > 3)  in mipi_dsi_create_packet()
535 		return -EINVAL;  in mipi_dsi_create_packet()
538 	packet->header[0] = ((msg->channel & 0x3) << 6) | (msg->type & 0x3f);  in mipi_dsi_create_packet()
549 	if (mipi_dsi_packet_format_is_long(msg->type)) {  in mipi_dsi_create_packet()
550 		packet->header[1] = (msg->tx_len >> 0) & 0xff;  in mipi_dsi_create_packet()
551 		packet->header[2] = (msg->tx_len >> 8) & 0xff;  in mipi_dsi_create_packet()
553 		packet->payload_length = msg->tx_len;  in mipi_dsi_create_packet()
554 		packet->payload = msg->tx_buf;  in mipi_dsi_create_packet()
556 		const u8 *tx = msg->tx_buf;  in mipi_dsi_create_packet()
558 		packet->header[1] = (msg->tx_len > 0) ? tx[0] : 0;  in mipi_dsi_create_packet()
559 		packet->header[2] = (msg->tx_len > 1) ? tx[1] : 0;  in mipi_dsi_create_packet()
562 	packet->size = sizeof(packet->header) + packet->payload_length;  in mipi_dsi_create_packet()
569  * mipi_dsi_shutdown_peripheral() - sends a Shutdown Peripheral command
570  * @dsi: DSI peripheral device
574 int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi)  in mipi_dsi_shutdown_peripheral()  argument
577 		.channel = dsi->channel,  in mipi_dsi_shutdown_peripheral()
582 	int ret = mipi_dsi_device_transfer(dsi, &msg);  in mipi_dsi_shutdown_peripheral()
589  * mipi_dsi_turn_on_peripheral() - sends a Turn On Peripheral command
590  * @dsi: DSI peripheral device
594 int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi)  in mipi_dsi_turn_on_peripheral()  argument
597 		.channel = dsi->channel,  in mipi_dsi_turn_on_peripheral()
602 	int ret = mipi_dsi_device_transfer(dsi, &msg);  in mipi_dsi_turn_on_peripheral()
609  * mipi_dsi_set_maximum_return_packet_size() - specify the maximum size of the
612  * @dsi: DSI peripheral device
617 int mipi_dsi_set_maximum_return_packet_size(struct mipi_dsi_device *dsi,  in mipi_dsi_set_maximum_return_packet_size()  argument
622 		.channel = dsi->channel,  in mipi_dsi_set_maximum_return_packet_size()
627 	int ret = mipi_dsi_device_transfer(dsi, &msg);  in mipi_dsi_set_maximum_return_packet_size()
634  * mipi_dsi_compression_mode() - enable/disable DSC on the peripheral
635  * @dsi: DSI peripheral device
643 ssize_t mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable)  in mipi_dsi_compression_mode()  argument
645 	/* Note: Needs updating for non-default PPS or algorithm */  in mipi_dsi_compression_mode()
648 		.channel = dsi->channel,  in mipi_dsi_compression_mode()
653 	int ret = mipi_dsi_device_transfer(dsi, &msg);  in mipi_dsi_compression_mode()
660  * mipi_dsi_picture_parameter_set() - transmit the DSC PPS to the peripheral
661  * @dsi: DSI peripheral device
668 ssize_t mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi,  in mipi_dsi_picture_parameter_set()  argument
672 		.channel = dsi->channel,  in mipi_dsi_picture_parameter_set()
677 	int ret = mipi_dsi_device_transfer(dsi, &msg);  in mipi_dsi_picture_parameter_set()
684  * mipi_dsi_generic_write() - transmit data using a generic write packet
685  * @dsi: DSI peripheral device
695 ssize_t mipi_dsi_generic_write(struct mipi_dsi_device *dsi, const void *payload,  in mipi_dsi_generic_write()  argument
699 		.channel = dsi->channel,  in mipi_dsi_generic_write()
722 	return mipi_dsi_device_transfer(dsi, &msg);  in mipi_dsi_generic_write()
727  * mipi_dsi_generic_read() - receive data using a generic read packet
728  * @dsi: DSI peripheral device
740 ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params,  in mipi_dsi_generic_read()  argument
744 		.channel = dsi->channel,  in mipi_dsi_generic_read()
765 		return -EINVAL;  in mipi_dsi_generic_read()
768 	return mipi_dsi_device_transfer(dsi, &msg);  in mipi_dsi_generic_read()
773  * mipi_dsi_dcs_write_buffer() - transmit a DCS command with payload
774  * @dsi: DSI peripheral device
784 ssize_t mipi_dsi_dcs_write_buffer(struct mipi_dsi_device *dsi,  in mipi_dsi_dcs_write_buffer()  argument
788 		.channel = dsi->channel,  in mipi_dsi_dcs_write_buffer()
795 		return -EINVAL;  in mipi_dsi_dcs_write_buffer()
810 	return mipi_dsi_device_transfer(dsi, &msg);  in mipi_dsi_dcs_write_buffer()
815  * mipi_dsi_dcs_write() - send DCS write command
816  * @dsi: DSI peripheral device
827 ssize_t mipi_dsi_dcs_write(struct mipi_dsi_device *dsi, u8 cmd,  in mipi_dsi_dcs_write()  argument
836 	if (len > ARRAY_SIZE(stack_tx) - 1) {  in mipi_dsi_dcs_write()
839 			return -ENOMEM;  in mipi_dsi_dcs_write()
849 	err = mipi_dsi_dcs_write_buffer(dsi, tx, size);  in mipi_dsi_dcs_write()
859  * mipi_dsi_dcs_read() - send DCS read request command
860  * @dsi: DSI peripheral device
867 ssize_t mipi_dsi_dcs_read(struct mipi_dsi_device *dsi, u8 cmd, void *data,  in mipi_dsi_dcs_read()  argument
871 		.channel = dsi->channel,  in mipi_dsi_dcs_read()
879 	return mipi_dsi_device_transfer(dsi, &msg);  in mipi_dsi_dcs_read()
884  * mipi_dsi_dcs_nop() - send DCS nop packet
885  * @dsi: DSI peripheral device
889 int mipi_dsi_dcs_nop(struct mipi_dsi_device *dsi)  in mipi_dsi_dcs_nop()  argument
893 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_NOP, NULL, 0);  in mipi_dsi_dcs_nop()
902  * mipi_dsi_dcs_soft_reset() - perform a software reset of the display module
903  * @dsi: DSI peripheral device
907 int mipi_dsi_dcs_soft_reset(struct mipi_dsi_device *dsi)  in mipi_dsi_dcs_soft_reset()  argument
911 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SOFT_RESET, NULL, 0);  in mipi_dsi_dcs_soft_reset()
920  * mipi_dsi_dcs_get_power_mode() - query the display module's current power
922  * @dsi: DSI peripheral device
927 int mipi_dsi_dcs_get_power_mode(struct mipi_dsi_device *dsi, u8 *mode)  in mipi_dsi_dcs_get_power_mode()  argument
931 	err = mipi_dsi_dcs_read(dsi, MIPI_DCS_GET_POWER_MODE, mode,  in mipi_dsi_dcs_get_power_mode()
935 			err = -ENODATA;  in mipi_dsi_dcs_get_power_mode()
945  * mipi_dsi_dcs_get_pixel_format() - gets the pixel format for the RGB image
947  * @dsi: DSI peripheral device
952 int mipi_dsi_dcs_get_pixel_format(struct mipi_dsi_device *dsi, u8 *format)  in mipi_dsi_dcs_get_pixel_format()  argument
956 	err = mipi_dsi_dcs_read(dsi, MIPI_DCS_GET_PIXEL_FORMAT, format,  in mipi_dsi_dcs_get_pixel_format()
960 			err = -ENODATA;  in mipi_dsi_dcs_get_pixel_format()
970  * mipi_dsi_dcs_enter_sleep_mode() - disable all unnecessary blocks inside the
972  * @dsi: DSI peripheral device
976 int mipi_dsi_dcs_enter_sleep_mode(struct mipi_dsi_device *dsi)  in mipi_dsi_dcs_enter_sleep_mode()  argument
980 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_ENTER_SLEEP_MODE, NULL, 0);  in mipi_dsi_dcs_enter_sleep_mode()
989  * mipi_dsi_dcs_exit_sleep_mode() - enable all blocks inside the display
991  * @dsi: DSI peripheral device
995 int mipi_dsi_dcs_exit_sleep_mode(struct mipi_dsi_device *dsi)  in mipi_dsi_dcs_exit_sleep_mode()  argument
999 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);  in mipi_dsi_dcs_exit_sleep_mode()
1008  * mipi_dsi_dcs_set_display_off() - stop displaying the image data on the
1010  * @dsi: DSI peripheral device
1014 int mipi_dsi_dcs_set_display_off(struct mipi_dsi_device *dsi)  in mipi_dsi_dcs_set_display_off()  argument
1018 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_DISPLAY_OFF, NULL, 0);  in mipi_dsi_dcs_set_display_off()
1027  * mipi_dsi_dcs_set_display_on() - start displaying the image data on the
1029  * @dsi: DSI peripheral device
1033 int mipi_dsi_dcs_set_display_on(struct mipi_dsi_device *dsi)  in mipi_dsi_dcs_set_display_on()  argument
1037 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);  in mipi_dsi_dcs_set_display_on()
1046  * mipi_dsi_dcs_set_column_address() - define the column extent of the frame
1048  * @dsi: DSI peripheral device
1054 int mipi_dsi_dcs_set_column_address(struct mipi_dsi_device *dsi, u16 start,  in mipi_dsi_dcs_set_column_address()  argument
1060 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_COLUMN_ADDRESS, payload,  in mipi_dsi_dcs_set_column_address()
1070  * mipi_dsi_dcs_set_page_address() - define the page extent of the frame
1072  * @dsi: DSI peripheral device
1078 int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start,  in mipi_dsi_dcs_set_page_address()  argument
1084 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_PAGE_ADDRESS, payload,  in mipi_dsi_dcs_set_page_address()
1094  * mipi_dsi_dcs_set_tear_off() - turn off the display module's Tearing Effect
1096  * @dsi: DSI peripheral device
1100 int mipi_dsi_dcs_set_tear_off(struct mipi_dsi_device *dsi)  in mipi_dsi_dcs_set_tear_off()  argument
1104 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_TEAR_OFF, NULL, 0);  in mipi_dsi_dcs_set_tear_off()
1113  * mipi_dsi_dcs_set_tear_on() - turn on the display module's Tearing Effect
1115  * @dsi: DSI peripheral device
1120 int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi,  in mipi_dsi_dcs_set_tear_on()  argument
1126 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_TEAR_ON, &value,  in mipi_dsi_dcs_set_tear_on()
1136  * mipi_dsi_dcs_set_pixel_format() - sets the pixel format for the RGB image
1138  * @dsi: DSI peripheral device
1143 int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format)  in mipi_dsi_dcs_set_pixel_format()  argument
1147 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_PIXEL_FORMAT, &format,  in mipi_dsi_dcs_set_pixel_format()
1157  * mipi_dsi_dcs_set_tear_scanline() - set the scanline to use as trigger for
1159  * @dsi: DSI peripheral device
1164 int mipi_dsi_dcs_set_tear_scanline(struct mipi_dsi_device *dsi, u16 scanline)  in mipi_dsi_dcs_set_tear_scanline()  argument
1169 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_TEAR_SCANLINE, payload,  in mipi_dsi_dcs_set_tear_scanline()
1179  * mipi_dsi_dcs_set_display_brightness() - sets the brightness value of the
1181  * @dsi: DSI peripheral device
1186 int mipi_dsi_dcs_set_display_brightness(struct mipi_dsi_device *dsi,  in mipi_dsi_dcs_set_display_brightness()  argument
1192 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_DISPLAY_BRIGHTNESS,  in mipi_dsi_dcs_set_display_brightness()
1202  * mipi_dsi_dcs_get_display_brightness() - gets the current brightness value
1204  * @dsi: DSI peripheral device
1209 int mipi_dsi_dcs_get_display_brightness(struct mipi_dsi_device *dsi,  in mipi_dsi_dcs_get_display_brightness()  argument
1214 	err = mipi_dsi_dcs_read(dsi, MIPI_DCS_GET_DISPLAY_BRIGHTNESS,  in mipi_dsi_dcs_get_display_brightness()
1218 			err = -ENODATA;  in mipi_dsi_dcs_get_display_brightness()
1229 	struct mipi_dsi_driver *drv = to_mipi_dsi_driver(dev->driver);  in mipi_dsi_drv_probe()
1230 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);  in mipi_dsi_drv_probe()  local
1232 	return drv->probe(dsi);  in mipi_dsi_drv_probe()
1237 	struct mipi_dsi_driver *drv = to_mipi_dsi_driver(dev->driver);  in mipi_dsi_drv_remove()
1238 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);  in mipi_dsi_drv_remove()  local
1240 	drv->remove(dsi);  in mipi_dsi_drv_remove()
1247 	struct mipi_dsi_driver *drv = to_mipi_dsi_driver(dev->driver);  in mipi_dsi_drv_shutdown()
1248 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);  in mipi_dsi_drv_shutdown()  local
1250 	drv->shutdown(dsi);  in mipi_dsi_drv_shutdown()
1254  * mipi_dsi_driver_register_full() - register a driver for DSI devices
1255  * @drv: DSI driver structure
1263 	drv->driver.bus = &mipi_dsi_bus_type;  in mipi_dsi_driver_register_full()
1264 	drv->driver.owner = owner;  in mipi_dsi_driver_register_full()
1266 	if (drv->probe)  in mipi_dsi_driver_register_full()
1267 		drv->driver.probe = mipi_dsi_drv_probe;  in mipi_dsi_driver_register_full()
1268 	if (drv->remove)  in mipi_dsi_driver_register_full()
1269 		drv->driver.remove = mipi_dsi_drv_remove;  in mipi_dsi_driver_register_full()
1270 	if (drv->shutdown)  in mipi_dsi_driver_register_full()
1271 		drv->driver.shutdown = mipi_dsi_drv_shutdown;  in mipi_dsi_driver_register_full()
1273 	return driver_register(&drv->driver);  in mipi_dsi_driver_register_full()
1278  * mipi_dsi_driver_unregister() - unregister a driver for DSI devices
1279  * @drv: DSI driver structure
1285 	driver_unregister(&drv->driver);  in mipi_dsi_driver_unregister()
1296 MODULE_DESCRIPTION("MIPI DSI Bus");