Lines Matching +full:op +full:- +full:panel
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) */
235 { 0xB5, 0x07 }, /* GAMMA OP */
236 { 0x31, 0x45 }, /* SOURCE OP */
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()
249 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3148w_init_sequence()
253 * Init sequence was supplied by the panel vendor without much in ltk050h3148w_init_sequence()
303 dev_err(ctx->dev, "failed to set tear on: %d\n", ret); in ltk050h3148w_init_sequence()
334 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_init_sequence()
338 * Init sequence was supplied by the panel vendor without much in ltk050h3146w_init_sequence()
393 dev_err(ctx->dev, "failed to set tear on: %d\n", ret); in ltk050h3146w_init_sequence()
425 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_a2_select_page()
435 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_a2_write_page()
440 dev_err(ctx->dev, "failed to select page %d: %d\n", page, ret); in ltk050h3146w_a2_write_page()
448 dev_err(ctx->dev, "failed to write page %d init cmds: %d\n", page, ret); in ltk050h3146w_a2_write_page()
458 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_a2_init_sequence()
462 * Init sequence was supplied by the panel vendor without much in ltk050h3146w_a2_init_sequence()
482 dev_err(ctx->dev, "failed to select page 0: %d\n", ret); in ltk050h3146w_a2_init_sequence()
489 dev_err(ctx->dev, "failed to set tear on: %d\n", ret); in ltk050h3146w_a2_init_sequence()
519 static int ltk050h3146w_unprepare(struct drm_panel *panel) in ltk050h3146w_unprepare() argument
521 struct ltk050h3146w *ctx = panel_to_ltk050h3146w(panel); in ltk050h3146w_unprepare()
522 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_unprepare()
525 if (!ctx->prepared) in ltk050h3146w_unprepare()
530 dev_err(ctx->dev, "failed to set display off: %d\n", ret); in ltk050h3146w_unprepare()
536 dev_err(ctx->dev, "failed to enter sleep mode: %d\n", ret); in ltk050h3146w_unprepare()
540 regulator_disable(ctx->iovcc); in ltk050h3146w_unprepare()
541 regulator_disable(ctx->vci); in ltk050h3146w_unprepare()
543 ctx->prepared = false; in ltk050h3146w_unprepare()
548 static int ltk050h3146w_prepare(struct drm_panel *panel) in ltk050h3146w_prepare() argument
550 struct ltk050h3146w *ctx = panel_to_ltk050h3146w(panel); in ltk050h3146w_prepare()
551 struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); in ltk050h3146w_prepare()
554 if (ctx->prepared) in ltk050h3146w_prepare()
557 dev_dbg(ctx->dev, "Resetting the panel\n"); in ltk050h3146w_prepare()
558 ret = regulator_enable(ctx->vci); in ltk050h3146w_prepare()
560 dev_err(ctx->dev, "Failed to enable vci supply: %d\n", ret); in ltk050h3146w_prepare()
563 ret = regulator_enable(ctx->iovcc); in ltk050h3146w_prepare()
565 dev_err(ctx->dev, "Failed to enable iovcc supply: %d\n", ret); in ltk050h3146w_prepare()
569 gpiod_set_value_cansleep(ctx->reset_gpio, 1); in ltk050h3146w_prepare()
571 gpiod_set_value_cansleep(ctx->reset_gpio, 0); in ltk050h3146w_prepare()
574 ret = ctx->panel_desc->init(ctx); in ltk050h3146w_prepare()
576 dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret); in ltk050h3146w_prepare()
582 dev_err(ctx->dev, "Failed to exit sleep mode: %d\n", ret); in ltk050h3146w_prepare()
591 dev_err(ctx->dev, "Failed to set display on: %d\n", ret); in ltk050h3146w_prepare()
597 ctx->prepared = true; in ltk050h3146w_prepare()
602 regulator_disable(ctx->iovcc); in ltk050h3146w_prepare()
604 regulator_disable(ctx->vci); in ltk050h3146w_prepare()
608 static int ltk050h3146w_get_modes(struct drm_panel *panel, in ltk050h3146w_get_modes() argument
611 struct ltk050h3146w *ctx = panel_to_ltk050h3146w(panel); in ltk050h3146w_get_modes()
614 mode = drm_mode_duplicate(connector->dev, ctx->panel_desc->mode); in ltk050h3146w_get_modes()
616 return -ENOMEM; in ltk050h3146w_get_modes()
620 mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; in ltk050h3146w_get_modes()
621 connector->display_info.width_mm = mode->width_mm; in ltk050h3146w_get_modes()
622 connector->display_info.height_mm = mode->height_mm; in ltk050h3146w_get_modes()
636 struct device *dev = &dsi->dev; in ltk050h3146w_probe()
642 return -ENOMEM; in ltk050h3146w_probe()
644 ctx->panel_desc = of_device_get_match_data(dev); in ltk050h3146w_probe()
645 if (!ctx->panel_desc) in ltk050h3146w_probe()
646 return -EINVAL; in ltk050h3146w_probe()
648 ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); in ltk050h3146w_probe()
649 if (IS_ERR(ctx->reset_gpio)) { in ltk050h3146w_probe()
651 return PTR_ERR(ctx->reset_gpio); in ltk050h3146w_probe()
654 ctx->vci = devm_regulator_get(dev, "vci"); in ltk050h3146w_probe()
655 if (IS_ERR(ctx->vci)) { in ltk050h3146w_probe()
656 ret = PTR_ERR(ctx->vci); in ltk050h3146w_probe()
657 if (ret != -EPROBE_DEFER) in ltk050h3146w_probe()
662 ctx->iovcc = devm_regulator_get(dev, "iovcc"); in ltk050h3146w_probe()
663 if (IS_ERR(ctx->iovcc)) { in ltk050h3146w_probe()
664 ret = PTR_ERR(ctx->iovcc); in ltk050h3146w_probe()
665 if (ret != -EPROBE_DEFER) in ltk050h3146w_probe()
672 ctx->dev = dev; in ltk050h3146w_probe()
674 dsi->lanes = 4; in ltk050h3146w_probe()
675 dsi->format = MIPI_DSI_FMT_RGB888; in ltk050h3146w_probe()
676 dsi->mode_flags = ctx->panel_desc->mode_flags; in ltk050h3146w_probe()
678 drm_panel_init(&ctx->panel, &dsi->dev, <k050h3146w_funcs, in ltk050h3146w_probe()
681 ret = drm_panel_of_backlight(&ctx->panel); in ltk050h3146w_probe()
685 drm_panel_add(&ctx->panel); in ltk050h3146w_probe()
690 drm_panel_remove(&ctx->panel); in ltk050h3146w_probe()
702 ret = drm_panel_unprepare(&ctx->panel); in ltk050h3146w_shutdown()
704 dev_err(&dsi->dev, "Failed to unprepare panel: %d\n", ret); in ltk050h3146w_shutdown()
706 ret = drm_panel_disable(&ctx->panel); in ltk050h3146w_shutdown()
708 dev_err(&dsi->dev, "Failed to disable panel: %d\n", ret); in ltk050h3146w_shutdown()
720 dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); in ltk050h3146w_remove()
722 drm_panel_remove(&ctx->panel); in ltk050h3146w_remove()
731 .compatible = "leadtek,ltk050h3146w-a2",
744 .name = "panel-leadtek-ltk050h3146w",
753 MODULE_AUTHOR("Heiko Stuebner <heiko.stuebner@theobroma-systems.com>");
754 MODULE_DESCRIPTION("DRM driver for Leadtek LTK050H3146W MIPI DSI panel");