Lines Matching +full:peripheral +full:- +full:to +full:- +full:memory
4 * Copyright (C) 2012-2013, Samsung Electronics, Co., Ltd.
7 * Permission is hereby granted, free of charge, to any person obtaining a
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
44 * These functions contain some common logic and helpers to deal with MIPI DSI
60 if (!strcmp(dsi->name, drv->name)) in mipi_dsi_device_match()
72 if (err != -ENODEV) in mipi_dsi_uevent()
76 dsi->name); in mipi_dsi_uevent()
93 .name = "mipi-dsi",
100 * of_find_mipi_dsi_device_by_node() - find the MIPI DSI device matching a
104 * Return: A pointer to the MIPI DSI device corresponding to @np or NULL if no
121 of_node_put(dev->of_node); in mipi_dsi_dev_release()
135 return ERR_PTR(-ENOMEM); in mipi_dsi_device_alloc()
137 dsi->host = host; in mipi_dsi_device_alloc()
138 dsi->dev.bus = &mipi_dsi_bus_type; in mipi_dsi_device_alloc()
139 dsi->dev.parent = host->dev; in mipi_dsi_device_alloc()
140 dsi->dev.type = &mipi_dsi_device_type; in mipi_dsi_device_alloc()
142 device_initialize(&dsi->dev); in mipi_dsi_device_alloc()
149 struct mipi_dsi_host *host = dsi->host; in mipi_dsi_device_add()
151 dev_set_name(&dsi->dev, "%s.%d", dev_name(host->dev), dsi->channel); in mipi_dsi_device_add()
153 return device_add(&dsi->dev); in mipi_dsi_device_add()
166 return ERR_PTR(-EINVAL); in of_mipi_dsi_device_add()
173 return ERR_PTR(-EINVAL); in of_mipi_dsi_device_add()
185 return ERR_PTR(-ENODEV); in of_mipi_dsi_device_add()
190 * mipi_dsi_device_register_full - create a MIPI DSI device
191 * @host: DSI host to which this device is connected
192 * @info: pointer to template containing DSI device information
198 * A pointer to the newly created MIPI DSI device, or, a pointer encoded
210 return ERR_PTR(-EINVAL); in mipi_dsi_device_register_full()
213 if (info->channel > 3) { in mipi_dsi_device_register_full()
214 drm_err(host, "invalid virtual channel: %u\n", info->channel); in mipi_dsi_device_register_full()
215 return ERR_PTR(-EINVAL); in mipi_dsi_device_register_full()
220 drm_err(host, "failed to allocate DSI device %ld\n", in mipi_dsi_device_register_full()
225 device_set_node(&dsi->dev, of_fwnode_handle(info->node)); in mipi_dsi_device_register_full()
226 dsi->channel = info->channel; in mipi_dsi_device_register_full()
227 strscpy(dsi->name, info->type, sizeof(dsi->name)); in mipi_dsi_device_register_full()
231 drm_err(host, "failed to add DSI device %d\n", ret); in mipi_dsi_device_register_full()
241 * mipi_dsi_device_unregister - unregister MIPI DSI device
242 * @dsi: DSI peripheral device
246 device_unregister(&dsi->dev); in mipi_dsi_device_unregister()
258 * devm_mipi_dsi_device_register_full - create a managed MIPI DSI device
259 * @dev: device to tie the MIPI-DSI device lifetime to
260 * @host: DSI host to which this device is connected
261 * @info: pointer to template containing DSI device information
271 * A pointer to the newly created MIPI DSI device, or, a pointer encoded
300 * of_find_mipi_dsi_host_by_node() - find the MIPI DSI host matching a
305 * A pointer to the MIPI DSI host corresponding to @node or NULL if no
315 if (host->dev->of_node == node) { in of_find_mipi_dsi_host_by_node()
331 for_each_available_child_of_node(host->dev->of_node, node) { in mipi_dsi_host_register()
339 list_add_tail(&host->list, &host_list); in mipi_dsi_host_register()
350 if (dsi->attached) in mipi_dsi_remove_device_fn()
359 device_for_each_child(host->dev, NULL, mipi_dsi_remove_device_fn); in mipi_dsi_host_unregister()
362 list_del_init(&host->list); in mipi_dsi_host_unregister()
368 * mipi_dsi_attach - attach a DSI device to its DSI host
369 * @dsi: DSI peripheral
373 const struct mipi_dsi_host_ops *ops = dsi->host->ops; in mipi_dsi_attach()
376 if (!ops || !ops->attach) in mipi_dsi_attach()
377 return -ENOSYS; in mipi_dsi_attach()
379 ret = ops->attach(dsi->host, dsi); in mipi_dsi_attach()
383 dsi->attached = true; in mipi_dsi_attach()
390 * mipi_dsi_detach - detach a DSI device from its DSI host
391 * @dsi: DSI peripheral
395 const struct mipi_dsi_host_ops *ops = dsi->host->ops; in mipi_dsi_detach()
397 if (WARN_ON(!dsi->attached)) in mipi_dsi_detach()
398 return -EINVAL; in mipi_dsi_detach()
400 if (!ops || !ops->detach) in mipi_dsi_detach()
401 return -ENOSYS; in mipi_dsi_detach()
403 dsi->attached = false; in mipi_dsi_detach()
405 return ops->detach(dsi->host, dsi); in mipi_dsi_detach()
417 * devm_mipi_dsi_attach - Attach a MIPI-DSI device to its DSI Host
418 * @dev: device to tie the MIPI-DSI device attachment lifetime to
419 * @dsi: DSI peripheral
447 const struct mipi_dsi_host_ops *ops = dsi->host->ops; in mipi_dsi_device_transfer()
449 if (!ops || !ops->transfer) in mipi_dsi_device_transfer()
450 return -ENOSYS; in mipi_dsi_device_transfer()
452 if (dsi->mode_flags & MIPI_DSI_MODE_LPM) in mipi_dsi_device_transfer()
453 msg->flags |= MIPI_DSI_MSG_USE_LPM; in mipi_dsi_device_transfer()
455 return ops->transfer(dsi->host, msg); in mipi_dsi_device_transfer()
459 * mipi_dsi_packet_format_is_short - check if a packet is of the short format
497 * mipi_dsi_packet_format_is_long - check if a packet is of the long format
530 * mipi_dsi_create_packet - create a packet from a message according to the
532 * @packet: pointer to a DSI packet structure
533 * @msg: message to translate into a packet
541 return -EINVAL; in mipi_dsi_create_packet()
544 if (!mipi_dsi_packet_format_is_short(msg->type) && in mipi_dsi_create_packet()
545 !mipi_dsi_packet_format_is_long(msg->type)) in mipi_dsi_create_packet()
546 return -EINVAL; in mipi_dsi_create_packet()
548 if (msg->channel > 3) in mipi_dsi_create_packet()
549 return -EINVAL; in mipi_dsi_create_packet()
552 packet->header[0] = ((msg->channel & 0x3) << 6) | (msg->type & 0x3f); in mipi_dsi_create_packet()
560 * Short write packets encode up to two parameters in header bytes 1 in mipi_dsi_create_packet()
563 if (mipi_dsi_packet_format_is_long(msg->type)) { in mipi_dsi_create_packet()
564 packet->header[1] = (msg->tx_len >> 0) & 0xff; in mipi_dsi_create_packet()
565 packet->header[2] = (msg->tx_len >> 8) & 0xff; in mipi_dsi_create_packet()
567 packet->payload_length = msg->tx_len; in mipi_dsi_create_packet()
568 packet->payload = msg->tx_buf; in mipi_dsi_create_packet()
570 const u8 *tx = msg->tx_buf; in mipi_dsi_create_packet()
572 packet->header[1] = (msg->tx_len > 0) ? tx[0] : 0; in mipi_dsi_create_packet()
573 packet->header[2] = (msg->tx_len > 1) ? tx[1] : 0; in mipi_dsi_create_packet()
576 packet->size = sizeof(packet->header) + packet->payload_length; in mipi_dsi_create_packet()
583 * mipi_dsi_shutdown_peripheral() - sends a Shutdown Peripheral command
584 * @dsi: DSI peripheral device
591 .channel = dsi->channel, in mipi_dsi_shutdown_peripheral()
603 * mipi_dsi_turn_on_peripheral() - sends a Turn On Peripheral command
604 * @dsi: DSI peripheral device
611 .channel = dsi->channel, in mipi_dsi_turn_on_peripheral()
623 * mipi_dsi_set_maximum_return_packet_size() - specify the maximum size of
624 * the payload in a long packet transmitted from the peripheral back to the
626 * @dsi: DSI peripheral device
636 .channel = dsi->channel, in mipi_dsi_set_maximum_return_packet_size()
648 * mipi_dsi_compression_mode() - enable/disable DSC on the peripheral
649 * @dsi: DSI peripheral device
650 * @enable: Whether to enable or disable the DSC
652 * Enable or disable Display Stream Compression on the peripheral using the
659 /* Note: Needs updating for non-default PPS or algorithm */ in mipi_dsi_compression_mode()
662 .channel = dsi->channel, in mipi_dsi_compression_mode()
674 * mipi_dsi_picture_parameter_set() - transmit the DSC PPS to the peripheral
675 * @dsi: DSI peripheral device
678 * Transmit the VESA DSC 1.1 Picture Parameter Set to the peripheral.
686 .channel = dsi->channel, in mipi_dsi_picture_parameter_set()
698 * mipi_dsi_generic_write() - transmit data using a generic write packet
699 * @dsi: DSI peripheral device
713 .channel = dsi->channel, in mipi_dsi_generic_write()
741 * mipi_dsi_generic_read() - receive data using a generic read packet
742 * @dsi: DSI peripheral device
745 * @data: buffer in which to return the received data
758 .channel = dsi->channel, in mipi_dsi_generic_read()
779 return -EINVAL; in mipi_dsi_generic_read()
787 * mipi_dsi_dcs_write_buffer() - transmit a DCS command with payload
788 * @dsi: DSI peripheral device
789 * @data: buffer containing data to be transmitted
802 .channel = dsi->channel, in mipi_dsi_dcs_write_buffer()
809 return -EINVAL; in mipi_dsi_dcs_write_buffer()
829 * mipi_dsi_dcs_write() - send DCS write command
830 * @dsi: DSI peripheral device
850 if (len > ARRAY_SIZE(stack_tx) - 1) { in mipi_dsi_dcs_write()
853 return -ENOMEM; in mipi_dsi_dcs_write()
873 * mipi_dsi_dcs_read() - send DCS read request command
874 * @dsi: DSI peripheral device
876 * @data: buffer in which to receive data
885 .channel = dsi->channel, in mipi_dsi_dcs_read()
898 * mipi_dsi_dcs_nop() - send DCS nop packet
899 * @dsi: DSI peripheral device
916 * mipi_dsi_dcs_soft_reset() - perform a software reset of the display module
917 * @dsi: DSI peripheral device
934 * mipi_dsi_dcs_get_power_mode() - query the display module's current power
936 * @dsi: DSI peripheral device
949 err = -ENODATA; in mipi_dsi_dcs_get_power_mode()
959 * mipi_dsi_dcs_get_pixel_format() - gets the pixel format for the RGB image
961 * @dsi: DSI peripheral device
974 err = -ENODATA; in mipi_dsi_dcs_get_pixel_format()
984 * mipi_dsi_dcs_enter_sleep_mode() - disable all unnecessary blocks inside the
986 * @dsi: DSI peripheral device
1003 * mipi_dsi_dcs_exit_sleep_mode() - enable all blocks inside the display
1005 * @dsi: DSI peripheral device
1022 * mipi_dsi_dcs_set_display_off() - stop displaying the image data on the
1024 * @dsi: DSI peripheral device
1041 * mipi_dsi_dcs_set_display_on() - start displaying the image data on the
1043 * @dsi: DSI peripheral device
1060 * mipi_dsi_dcs_set_column_address() - define the column extent of the frame
1061 * memory accessed by the host processor
1062 * @dsi: DSI peripheral device
1063 * @start: first column of frame memory
1064 * @end: last column of frame memory
1084 * mipi_dsi_dcs_set_page_address() - define the page extent of the frame
1085 * memory accessed by the host processor
1086 * @dsi: DSI peripheral device
1087 * @start: first page of frame memory
1088 * @end: last page of frame memory
1108 * mipi_dsi_dcs_set_tear_off() - turn off the display module's Tearing Effect
1110 * @dsi: DSI peripheral device
1127 * mipi_dsi_dcs_set_tear_on() - turn on the display module's Tearing Effect
1129 * @dsi: DSI peripheral device
1150 * mipi_dsi_dcs_set_pixel_format() - sets the pixel format for the RGB image
1152 * @dsi: DSI peripheral device
1171 * mipi_dsi_dcs_set_tear_scanline() - set the scanline to use as trigger for
1173 * @dsi: DSI peripheral device
1174 * @scanline: scanline to use as trigger
1193 * mipi_dsi_dcs_set_display_brightness() - sets the brightness value of the
1195 * @dsi: DSI peripheral device
1216 * mipi_dsi_dcs_get_display_brightness() - gets the current brightness value
1218 * @dsi: DSI peripheral device
1232 err = -ENODATA; in mipi_dsi_dcs_get_display_brightness()
1242 * mipi_dsi_dcs_set_display_brightness_large() - sets the 16-bit brightness value
1244 * @dsi: DSI peripheral device
1265 * mipi_dsi_dcs_get_display_brightness_large() - gets the current 16-bit
1267 * @dsi: DSI peripheral device
1282 err = -ENODATA; in mipi_dsi_dcs_get_display_brightness_large()
1295 struct mipi_dsi_driver *drv = to_mipi_dsi_driver(dev->driver); in mipi_dsi_drv_probe()
1298 return drv->probe(dsi); in mipi_dsi_drv_probe()
1303 struct mipi_dsi_driver *drv = to_mipi_dsi_driver(dev->driver); in mipi_dsi_drv_remove()
1306 drv->remove(dsi); in mipi_dsi_drv_remove()
1313 struct mipi_dsi_driver *drv = to_mipi_dsi_driver(dev->driver); in mipi_dsi_drv_shutdown()
1316 drv->shutdown(dsi); in mipi_dsi_drv_shutdown()
1320 * mipi_dsi_driver_register_full() - register a driver for DSI devices
1329 drv->driver.bus = &mipi_dsi_bus_type; in mipi_dsi_driver_register_full()
1330 drv->driver.owner = owner; in mipi_dsi_driver_register_full()
1332 if (drv->probe) in mipi_dsi_driver_register_full()
1333 drv->driver.probe = mipi_dsi_drv_probe; in mipi_dsi_driver_register_full()
1334 if (drv->remove) in mipi_dsi_driver_register_full()
1335 drv->driver.remove = mipi_dsi_drv_remove; in mipi_dsi_driver_register_full()
1336 if (drv->shutdown) in mipi_dsi_driver_register_full()
1337 drv->driver.shutdown = mipi_dsi_drv_shutdown; in mipi_dsi_driver_register_full()
1339 return driver_register(&drv->driver); in mipi_dsi_driver_register_full()
1344 * mipi_dsi_driver_unregister() - unregister a driver for DSI devices
1351 driver_unregister(&drv->driver); in mipi_dsi_driver_unregister()