Lines Matching +full:panel +full:- +full:dsi
1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/media-bus-format.h>
34 struct drm_panel panel; member
48 { 0x51, 0x85 }, /* VREG2OUT=-5V */
231 { 0x85, 0x0D }, /* VGL clamp level (-10V) */
242 struct ltk050h3146w *panel_to_ltk050h3146w(struct drm_panel *panel) in panel_to_ltk050h3146w() argument
244 return container_of(panel, struct ltk050h3146w, panel); in panel_to_ltk050h3146w()
247 #define dsi_dcs_write_seq(dsi, cmd, seq...) do { \ argument
250 ret = mipi_dsi_dcs_write_buffer(dsi, b, ARRAY_SIZE(b)); \
257 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_init_sequence() local
261 * Init sequence was supplied by the panel vendor without much in ltk050h3146w_init_sequence()
264 dsi_dcs_write_seq(dsi, 0xdf, 0x93, 0x65, 0xf8); in ltk050h3146w_init_sequence()
265 dsi_dcs_write_seq(dsi, 0xb0, 0x01, 0x03, 0x02, 0x00, 0x64, 0x06, in ltk050h3146w_init_sequence()
267 dsi_dcs_write_seq(dsi, 0xb2, 0x00, 0xb5); in ltk050h3146w_init_sequence()
268 dsi_dcs_write_seq(dsi, 0xb3, 0x00, 0xb5); in ltk050h3146w_init_sequence()
269 dsi_dcs_write_seq(dsi, 0xb7, 0x00, 0xbf, 0x00, 0x00, 0xbf, 0x00); in ltk050h3146w_init_sequence()
271 dsi_dcs_write_seq(dsi, 0xb9, 0x00, 0xc4, 0x23, 0x07); in ltk050h3146w_init_sequence()
272 dsi_dcs_write_seq(dsi, 0xbb, 0x02, 0x01, 0x24, 0x00, 0x28, 0x0f, in ltk050h3146w_init_sequence()
274 dsi_dcs_write_seq(dsi, 0xbc, 0x0f, 0x04); in ltk050h3146w_init_sequence()
275 dsi_dcs_write_seq(dsi, 0xbe, 0x1e, 0xf2); in ltk050h3146w_init_sequence()
276 dsi_dcs_write_seq(dsi, 0xc0, 0x26, 0x03); in ltk050h3146w_init_sequence()
277 dsi_dcs_write_seq(dsi, 0xc1, 0x00, 0x12); in ltk050h3146w_init_sequence()
278 dsi_dcs_write_seq(dsi, 0xc3, 0x04, 0x02, 0x02, 0x76, 0x01, 0x80, in ltk050h3146w_init_sequence()
280 dsi_dcs_write_seq(dsi, 0xc4, 0x24, 0x80, 0xb4, 0x81, 0x12, 0x0f, in ltk050h3146w_init_sequence()
282 dsi_dcs_write_seq(dsi, 0xc8, 0x7f, 0x72, 0x67, 0x5d, 0x5d, 0x50, in ltk050h3146w_init_sequence()
287 dsi_dcs_write_seq(dsi, 0xd0, 0x1e, 0x1f, 0x57, 0x58, 0x48, 0x4a, in ltk050h3146w_init_sequence()
290 dsi_dcs_write_seq(dsi, 0xd1, 0x1e, 0x1f, 0x57, 0x58, 0x49, 0x4b, in ltk050h3146w_init_sequence()
293 dsi_dcs_write_seq(dsi, 0xd2, 0x1f, 0x1e, 0x17, 0x18, 0x07, 0x05, in ltk050h3146w_init_sequence()
296 dsi_dcs_write_seq(dsi, 0xd3, 0x1f, 0x1e, 0x17, 0x18, 0x06, 0x04, in ltk050h3146w_init_sequence()
299 dsi_dcs_write_seq(dsi, 0xd4, 0x00, 0x00, 0x00, 0x0c, 0x06, 0x20, in ltk050h3146w_init_sequence()
302 dsi_dcs_write_seq(dsi, 0xd5, 0x00, 0x06, 0x06, 0x00, 0x30, 0x00, in ltk050h3146w_init_sequence()
305 dsi_dcs_write_seq(dsi, 0xdd, 0x2c, 0xa3, 0x00); in ltk050h3146w_init_sequence()
306 dsi_dcs_write_seq(dsi, 0xde, 0x02); in ltk050h3146w_init_sequence()
307 dsi_dcs_write_seq(dsi, 0xb2, 0x32, 0x1c); in ltk050h3146w_init_sequence()
308 dsi_dcs_write_seq(dsi, 0xb7, 0x3b, 0x70, 0x00, 0x04); in ltk050h3146w_init_sequence()
309 dsi_dcs_write_seq(dsi, 0xc1, 0x11); in ltk050h3146w_init_sequence()
310 dsi_dcs_write_seq(dsi, 0xbb, 0x21, 0x22, 0x23, 0x24, 0x36, 0x37); in ltk050h3146w_init_sequence()
311 dsi_dcs_write_seq(dsi, 0xc2, 0x20, 0x38, 0x1e, 0x84); in ltk050h3146w_init_sequence()
312 dsi_dcs_write_seq(dsi, 0xde, 0x00); in ltk050h3146w_init_sequence()
314 ret = mipi_dsi_dcs_set_tear_on(dsi, 1); in ltk050h3146w_init_sequence()
316 dev_err(ctx->dev, "failed to set tear on: %d\n", ret); in ltk050h3146w_init_sequence()
346 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_a2_select_page() local
349 return mipi_dsi_dcs_write(dsi, 0xff, d, ARRAY_SIZE(d)); in ltk050h3146w_a2_select_page()
356 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_a2_write_page() local
361 dev_err(ctx->dev, "failed to select page %d: %d\n", page, ret); in ltk050h3146w_a2_write_page()
366 ret = mipi_dsi_generic_write(dsi, &cmds[i], in ltk050h3146w_a2_write_page()
369 dev_err(ctx->dev, "failed to write page %d init cmds: %d\n", page, ret); in ltk050h3146w_a2_write_page()
379 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_a2_init_sequence() local
383 * Init sequence was supplied by the panel vendor without much in ltk050h3146w_a2_init_sequence()
403 dev_err(ctx->dev, "failed to select page 0: %d\n", ret); in ltk050h3146w_a2_init_sequence()
408 ret = mipi_dsi_dcs_set_tear_on(dsi, 0); in ltk050h3146w_a2_init_sequence()
410 dev_err(ctx->dev, "failed to set tear on: %d\n", ret); in ltk050h3146w_a2_init_sequence()
438 static int ltk050h3146w_unprepare(struct drm_panel *panel) in ltk050h3146w_unprepare() argument
440 struct ltk050h3146w *ctx = panel_to_ltk050h3146w(panel); in ltk050h3146w_unprepare()
441 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_unprepare() local
444 if (!ctx->prepared) in ltk050h3146w_unprepare()
447 ret = mipi_dsi_dcs_set_display_off(dsi); in ltk050h3146w_unprepare()
449 dev_err(ctx->dev, "failed to set display off: %d\n", ret); in ltk050h3146w_unprepare()
453 mipi_dsi_dcs_enter_sleep_mode(dsi); in ltk050h3146w_unprepare()
455 dev_err(ctx->dev, "failed to enter sleep mode: %d\n", ret); in ltk050h3146w_unprepare()
459 regulator_disable(ctx->iovcc); in ltk050h3146w_unprepare()
460 regulator_disable(ctx->vci); in ltk050h3146w_unprepare()
462 ctx->prepared = false; in ltk050h3146w_unprepare()
467 static int ltk050h3146w_prepare(struct drm_panel *panel) in ltk050h3146w_prepare() argument
469 struct ltk050h3146w *ctx = panel_to_ltk050h3146w(panel); in ltk050h3146w_prepare()
470 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_prepare() local
473 if (ctx->prepared) in ltk050h3146w_prepare()
476 dev_dbg(ctx->dev, "Resetting the panel\n"); in ltk050h3146w_prepare()
477 ret = regulator_enable(ctx->vci); in ltk050h3146w_prepare()
479 dev_err(ctx->dev, "Failed to enable vci supply: %d\n", ret); in ltk050h3146w_prepare()
482 ret = regulator_enable(ctx->iovcc); in ltk050h3146w_prepare()
484 dev_err(ctx->dev, "Failed to enable iovcc supply: %d\n", ret); in ltk050h3146w_prepare()
488 gpiod_set_value_cansleep(ctx->reset_gpio, 1); in ltk050h3146w_prepare()
490 gpiod_set_value_cansleep(ctx->reset_gpio, 0); in ltk050h3146w_prepare()
493 ret = ctx->panel_desc->init(ctx); in ltk050h3146w_prepare()
495 dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret); in ltk050h3146w_prepare()
499 ret = mipi_dsi_dcs_exit_sleep_mode(dsi); in ltk050h3146w_prepare()
501 dev_err(ctx->dev, "Failed to exit sleep mode: %d\n", ret); in ltk050h3146w_prepare()
508 ret = mipi_dsi_dcs_set_display_on(dsi); in ltk050h3146w_prepare()
510 dev_err(ctx->dev, "Failed to set display on: %d\n", ret); in ltk050h3146w_prepare()
516 ctx->prepared = true; in ltk050h3146w_prepare()
521 regulator_disable(ctx->iovcc); in ltk050h3146w_prepare()
523 regulator_disable(ctx->vci); in ltk050h3146w_prepare()
527 static int ltk050h3146w_get_modes(struct drm_panel *panel, in ltk050h3146w_get_modes() argument
530 struct ltk050h3146w *ctx = panel_to_ltk050h3146w(panel); in ltk050h3146w_get_modes()
533 mode = drm_mode_duplicate(connector->dev, ctx->panel_desc->mode); in ltk050h3146w_get_modes()
535 return -ENOMEM; in ltk050h3146w_get_modes()
539 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; in ltk050h3146w_get_modes()
540 connector->display_info.width_mm = mode->width_mm; in ltk050h3146w_get_modes()
541 connector->display_info.height_mm = mode->height_mm; in ltk050h3146w_get_modes()
553 static int ltk050h3146w_probe(struct mipi_dsi_device *dsi) in ltk050h3146w_probe() argument
555 struct device *dev = &dsi->dev; in ltk050h3146w_probe()
561 return -ENOMEM; in ltk050h3146w_probe()
563 ctx->panel_desc = of_device_get_match_data(dev); in ltk050h3146w_probe()
564 if (!ctx->panel_desc) in ltk050h3146w_probe()
565 return -EINVAL; in ltk050h3146w_probe()
567 ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); in ltk050h3146w_probe()
568 if (IS_ERR(ctx->reset_gpio)) { in ltk050h3146w_probe()
570 return PTR_ERR(ctx->reset_gpio); in ltk050h3146w_probe()
573 ctx->vci = devm_regulator_get(dev, "vci"); in ltk050h3146w_probe()
574 if (IS_ERR(ctx->vci)) { in ltk050h3146w_probe()
575 ret = PTR_ERR(ctx->vci); in ltk050h3146w_probe()
576 if (ret != -EPROBE_DEFER) in ltk050h3146w_probe()
581 ctx->iovcc = devm_regulator_get(dev, "iovcc"); in ltk050h3146w_probe()
582 if (IS_ERR(ctx->iovcc)) { in ltk050h3146w_probe()
583 ret = PTR_ERR(ctx->iovcc); in ltk050h3146w_probe()
584 if (ret != -EPROBE_DEFER) in ltk050h3146w_probe()
589 mipi_dsi_set_drvdata(dsi, ctx); in ltk050h3146w_probe()
591 ctx->dev = dev; in ltk050h3146w_probe()
593 dsi->lanes = 4; in ltk050h3146w_probe()
594 dsi->format = MIPI_DSI_FMT_RGB888; in ltk050h3146w_probe()
595 dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | in ltk050h3146w_probe()
598 drm_panel_init(&ctx->panel, &dsi->dev, <k050h3146w_funcs, in ltk050h3146w_probe()
601 ret = drm_panel_of_backlight(&ctx->panel); in ltk050h3146w_probe()
605 drm_panel_add(&ctx->panel); in ltk050h3146w_probe()
607 ret = mipi_dsi_attach(dsi); in ltk050h3146w_probe()
610 drm_panel_remove(&ctx->panel); in ltk050h3146w_probe()
617 static void ltk050h3146w_shutdown(struct mipi_dsi_device *dsi) in ltk050h3146w_shutdown() argument
619 struct ltk050h3146w *ctx = mipi_dsi_get_drvdata(dsi); in ltk050h3146w_shutdown()
622 ret = drm_panel_unprepare(&ctx->panel); in ltk050h3146w_shutdown()
624 dev_err(&dsi->dev, "Failed to unprepare panel: %d\n", ret); in ltk050h3146w_shutdown()
626 ret = drm_panel_disable(&ctx->panel); in ltk050h3146w_shutdown()
628 dev_err(&dsi->dev, "Failed to disable panel: %d\n", ret); in ltk050h3146w_shutdown()
631 static int ltk050h3146w_remove(struct mipi_dsi_device *dsi) in ltk050h3146w_remove() argument
633 struct ltk050h3146w *ctx = mipi_dsi_get_drvdata(dsi); in ltk050h3146w_remove()
636 ltk050h3146w_shutdown(dsi); in ltk050h3146w_remove()
638 ret = mipi_dsi_detach(dsi); in ltk050h3146w_remove()
640 dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); in ltk050h3146w_remove()
642 drm_panel_remove(&ctx->panel); in ltk050h3146w_remove()
653 .compatible = "leadtek,ltk050h3146w-a2",
662 .name = "panel-leadtek-ltk050h3146w",
671 MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@theobroma-systems.com>");
672 MODULE_DESCRIPTION("DRM driver for Leadtek LTK050H3146W MIPI DSI panel");