dist/drm/drm_mipi_dsi.c

45  * DOC: dsi helpers
56 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
63 	if (!strcmp(dsi->name, drv->name))
71 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
79 		       dsi->name);
96 	.name = "mipi-dsi",
122 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
125 	kfree(dsi);
134 	struct mipi_dsi_device *dsi;
136 	dsi = kzalloc(sizeof(*dsi), GFP_KERNEL);
137 	if (!dsi)
140 	dsi->host = host;
141 	dsi->dev.bus = &mipi_dsi_bus_type;
142 	dsi->dev.parent = host->dev;
143 	dsi->dev.type = &mipi_dsi_device_type;
145 	device_initialize(&dsi->dev);
147 	return dsi;
150 static int mipi_dsi_device_add(struct mipi_dsi_device *dsi)
152 	struct mipi_dsi_host *host = dsi->host;
154 	dev_set_name(&dsi->dev, "%s.%d", dev_name(host->dev),  dsi->channel);
156 	return device_add(&dsi->dev);
209 	struct mipi_dsi_device *dsi;
223 	dsi = mipi_dsi_device_alloc(host);
224 	if (IS_ERR(dsi)) {
226 			PTR_ERR(dsi));
227 		return dsi;
230 	dsi->dev.of_node = info->node;
231 	dsi->channel = info->channel;
232 	strlcpy(dsi->name, info->type, sizeof(dsi->name));
234 	ret = mipi_dsi_device_add(dsi);
237 		kfree(dsi);
241 	return dsi;
247  * @dsi: DSI peripheral device
249 void mipi_dsi_device_unregister(struct mipi_dsi_device *dsi)
251 	device_unregister(&dsi->dev);
307 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
309 	mipi_dsi_device_unregister(dsi);
326  * @dsi: DSI peripheral
328 int mipi_dsi_attach(struct mipi_dsi_device *dsi)
330 	const struct mipi_dsi_host_ops *ops = dsi->host->ops;
335 	return ops->attach(dsi->host, dsi);
341  * @dsi: DSI peripheral
343 int mipi_dsi_detach(struct mipi_dsi_device *dsi)
345 	const struct mipi_dsi_host_ops *ops = dsi->host->ops;
350 	return ops->detach(dsi->host, dsi);
354 static ssize_t mipi_dsi_device_transfer(struct mipi_dsi_device *dsi,
357 	const struct mipi_dsi_host_ops *ops = dsi->host->ops;
362 	if (dsi->mode_flags & MIPI_DSI_MODE_LPM)
365 	return ops->transfer(dsi->host, msg);
494  * @dsi: DSI peripheral device
498 int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi)
501 		.channel = dsi->channel,
506 	int ret = mipi_dsi_device_transfer(dsi, &msg);
514  * @dsi: DSI peripheral device
518 int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi)
521 		.channel = dsi->channel,
526 	int ret = mipi_dsi_device_transfer(dsi, &msg);
536  * @dsi: DSI peripheral device
541 int mipi_dsi_set_maximum_return_packet_size(struct mipi_dsi_device *dsi,
546 		.channel = dsi->channel,
551 	int ret = mipi_dsi_device_transfer(dsi, &msg);
559  * @dsi: DSI peripheral device
567 ssize_t mipi_dsi_compression_mode(struct mipi_dsi_device *dsi, bool enable)
572 		.channel = dsi->channel,
577 	int ret = mipi_dsi_device_transfer(dsi, &msg);
585  * @dsi: DSI peripheral device
592 ssize_t mipi_dsi_picture_parameter_set(struct mipi_dsi_device *dsi,
596 		.channel = dsi->channel,
601 	int ret = mipi_dsi_device_transfer(dsi, &msg);
609  * @dsi: DSI peripheral device
619 ssize_t mipi_dsi_generic_write(struct mipi_dsi_device *dsi, const void *payload,
623 		.channel = dsi->channel,
646 	return mipi_dsi_device_transfer(dsi, &msg);
652  * @dsi: DSI peripheral device
664 ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params,
668 		.channel = dsi->channel,
692 	return mipi_dsi_device_transfer(dsi, &msg);
698  * @dsi: DSI peripheral device
708 ssize_t mipi_dsi_dcs_write_buffer(struct mipi_dsi_device *dsi,
712 		.channel = dsi->channel,
734 	return mipi_dsi_device_transfer(dsi, &msg);
740  * @dsi: DSI peripheral device
751 ssize_t mipi_dsi_dcs_write(struct mipi_dsi_device *dsi, u8 cmd,
773 	err = mipi_dsi_dcs_write_buffer(dsi, tx, size);
784  * @dsi: DSI peripheral device
791 ssize_t mipi_dsi_dcs_read(struct mipi_dsi_device *dsi, u8 cmd, void *data,
795 		.channel = dsi->channel,
803 	return mipi_dsi_device_transfer(dsi, &msg);
809  * @dsi: DSI peripheral device
813 int mipi_dsi_dcs_nop(struct mipi_dsi_device *dsi)
817 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_NOP, NULL, 0);
827  * @dsi: DSI peripheral device
831 int mipi_dsi_dcs_soft_reset(struct mipi_dsi_device *dsi)
835 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SOFT_RESET, NULL, 0);
846  * @dsi: DSI peripheral device
851 int mipi_dsi_dcs_get_power_mode(struct mipi_dsi_device *dsi, u8 *mode)
855 	err = mipi_dsi_dcs_read(dsi, MIPI_DCS_GET_POWER_MODE, mode,
871  * @dsi: DSI peripheral device
876 int mipi_dsi_dcs_get_pixel_format(struct mipi_dsi_device *dsi, u8 *format)
880 	err = mipi_dsi_dcs_read(dsi, MIPI_DCS_GET_PIXEL_FORMAT, format,
896  * @dsi: DSI peripheral device
900 int mipi_dsi_dcs_enter_sleep_mode(struct mipi_dsi_device *dsi)
904 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_ENTER_SLEEP_MODE, NULL, 0);
915  * @dsi: DSI peripheral device
919 int mipi_dsi_dcs_exit_sleep_mode(struct mipi_dsi_device *dsi)
923 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);
934  * @dsi: DSI peripheral device
938 int mipi_dsi_dcs_set_display_off(struct mipi_dsi_device *dsi)
942 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_DISPLAY_OFF, NULL, 0);
953  * @dsi: DSI peripheral device
957 int mipi_dsi_dcs_set_display_on(struct mipi_dsi_device *dsi)
961 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
972  * @dsi: DSI peripheral device
978 int mipi_dsi_dcs_set_column_address(struct mipi_dsi_device *dsi, u16 start,
984 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_COLUMN_ADDRESS, payload,
996  * @dsi: DSI peripheral device
1002 int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start,
1008 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_PAGE_ADDRESS, payload,
1020  * @dsi: DSI peripheral device
1024 int mipi_dsi_dcs_set_tear_off(struct mipi_dsi_device *dsi)
1028 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_TEAR_OFF, NULL, 0);
1039  * @dsi: DSI peripheral device
1044 int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi,
1050 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_TEAR_ON, &value,
1062  * @dsi: DSI peripheral device
1067 int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format)
1071 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_PIXEL_FORMAT, &format,
1083  * @dsi: DSI peripheral device
1088 int mipi_dsi_dcs_set_tear_scanline(struct mipi_dsi_device *dsi, u16 scanline)
1094 	err = mipi_dsi_generic_write(dsi, payload, sizeof(payload));
1105  * @dsi: DSI peripheral device
1110 int mipi_dsi_dcs_set_display_brightness(struct mipi_dsi_device *dsi,
1116 	err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_DISPLAY_BRIGHTNESS,
1128  * @dsi: DSI peripheral device
1133 int mipi_dsi_dcs_get_display_brightness(struct mipi_dsi_device *dsi,
1138 	err = mipi_dsi_dcs_read(dsi, MIPI_DCS_GET_DISPLAY_BRIGHTNESS,
1154 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
1156 	return drv->probe(dsi);
1162 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
1164 	return drv->remove(dsi);
1170 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
1172 	drv->shutdown(dsi);