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Tue, 09 Jul 2024 06:05:53 -0700 (PDT) From: Neil Armstrong Date: Tue, 09 Jul 2024 15:05:44 +0200 Subject: [PATCH 1/2] dt-bindings: display: panel: document BOE TV101WUM-LL2 DSI Display Panel MIME-Version: 1.0 Message-Id: <20240709-topic-sdm450-upstream-tbx605f-panel-v1-1-af473397835d@linaro.org> References: <20240709-topic-sdm450-upstream-tbx605f-panel-v1-0-af473397835d@linaro.org> In-Reply-To: <20240709-topic-sdm450-upstream-tbx605f-panel-v1-0-af473397835d@linaro.org> To: Jessica Zhang , David Airlie , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1959; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=mlSpbyM8SVEH5mQ9NXQsLdRRwy/Rr3F4/HZMYlmQL4g=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBmjTWtERwPm9umBBymSswYDO0ZU3Se2jjiICMwZ oBmDJPp+QOJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZo01rQAKCRB33NvayMhJ 0VbiD/wL4P7XuyhVC555StSDLegTWEcPYp1foJY/0cbug6grY8ebtV69kBkENU6e5m5Aag0KsWZ sTIjD/25SyEnnIXxz8G3wvrdDouvaICgGdM7A00BXrA9tC39u/1Z2LBYsyY+x2JlG3/uxZK8hPs QTaWxgpoILJKvUNaswtKMgDnCrIDPuE8zirH9C8j1FmbsA8E5204T6WjyYHCNYuEkQ1PV9CjxMO Ge6ifcWVHDEsliLXaBf/394ue6yMZZVkkqMf3rXCz6emFJVYrkqGuhdKpMhWIFh9F4RPNoTBCGU hiRLYOspoMCRhEilJyag3M0KCFHztnR4A0Y362GAnZw1H79Dp/xJl6rtLAb/AmgYEthLiS4VY2k DX09yqhO7Wr6D1ecIiT6339I76IONN2fmXbPsb/ol3LxbA0qOWZxgZv25CkZjLoE99PeqeqbH3A RlNDN8q9oWUZWzith7Hu4Dn/OsJ5LJmbb1kDixiGcsox1Wunlrbva2MoOo2fW62lZHI91T3a8/d SCjXMH9kC9B7nO+DQgRVkzdd60acTSY4d6PuW9dUXmvP/FYsTwFzrVvCklUsmt1zOCteXtSsrIa hkdYidmXQpZlm7fA1B7RBrwv5HibyjMhKA+8PgHv6xsPLTMsMPMogZO9barw2R0EcWiM15R/NhZ LZmI7p2gtml3M2w== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Document the 1200x1920 BOE TV101WUM-LL2 DSI Display Panel found in the Lenovo Smart Tab M10 tablet. The controller is unknown. Signed-off-by: Neil Armstrong Reviewed-by: Conor Dooley --- .../bindings/display/panel/boe,tv101wum-ll2.yaml | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/Documentation/devicetree/bindings/display/panel/boe,tv101wum-ll2.yaml b/Documentation/devicetree/bindings/display/panel/boe,tv101wum-ll2.yaml new file mode 100644 index 000000000000..dced98e1c69a --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/boe,tv101wum-ll2.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/panel/boe,tv101wum-ll2.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: BOE TV101WUM-LL2 DSI Display Panel + +maintainers: + - Neil Armstrong + +allOf: + - $ref: panel-common.yaml# + +properties: + compatible: + const: boe,tv101wum-ll2 + + reg: + maxItems: 1 + description: DSI virtual channel + + backlight: true + reset-gpios: true + vsp-supply: true + vsn-supply: true + port: true + rotation: true + +required: + - compatible + - reg + - reset-gpios + - vsp-supply + - vsn-supply + - port + +additionalProperties: false + +examples: + - | + #include + dsi { + #address-cells = <1>; + #size-cells = <0>; + panel@0 { + compatible = "boe,tv101wum-ll2"; + reg = <0>; + + vsn-supply = <&vsn_lcd>; + vsp-supply = <&vsp_lcd>; + + reset-gpios = <&pio 45 GPIO_ACTIVE_LOW>; + + port { + panel_in: endpoint { + remote-endpoint = <&dsi_out>; + }; + }; + }; + }; + +... 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Tue, 09 Jul 2024 06:05:54 -0700 (PDT) From: Neil Armstrong Date: Tue, 09 Jul 2024 15:05:45 +0200 Subject: [PATCH 2/2] drm/panel: add BOE tv101wum-ll2 panel driver MIME-Version: 1.0 Message-Id: <20240709-topic-sdm450-upstream-tbx605f-panel-v1-2-af473397835d@linaro.org> References: <20240709-topic-sdm450-upstream-tbx605f-panel-v1-0-af473397835d@linaro.org> In-Reply-To: <20240709-topic-sdm450-upstream-tbx605f-panel-v1-0-af473397835d@linaro.org> To: Jessica Zhang , David Airlie , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=9133; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=ReMuaX4uArWaeUyztwmAnshtAS2bOcX5muB5QxhiUe0=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBmjTWuVwfQp9h9uhDQNK3Zivhw5goQ9K1VVxZ8a wNvn1CWQG6JAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZo01rgAKCRB33NvayMhJ 0WMYD/0VMrOeoHJSHnb4v4QCxts9qVC2omYTLR742cWbwoBAN7sW0lP0CEkke+z8BlP16bR4C48 V3gr7gBxodx68FxIEJMFaI1tZZ7aN4nGXenGcXeoUrvyCQRpBglSLHaMdr8ncBNY6ieI2piHVV4 eRQt0iguGXl5P99hnLCuLPJHRiWf3xijsAhhj0pLjX4T9a/4WiKsszP1vw81+6PXhIamkZhpnWN TwQhtrADWapY4j6fWiuw3QN2eYfKaAmykMrHLfhy3VKsFbjf39dNCnfJM6OKG7hkDnZXUOEz2vo zhUhUrQaJVWjUy5njYMxmqMHr4O6N0uYvXx6sC5VtMUyLhG9ZWpA48884yZnFpzZI8D4iE6q35E 5DaFOxtZ9Q39GxLh5C9NYAAak167wxrJ9TrDgEByXyONvx8ugVFkZI5eOWXHfQ18ayC0ohzt9yh 9X3g3lNsQapjq5VbgDNutf7oNpywCwhZN7vATlnRNqDg6V3F/mfn9AsIAmuy1jv3Cml9I2/T6V7 vRKbu/+ipUNMPAQ0w+zfy4jOp2fr9NnIcqhQBDlai57J41lz2kFMpu39uwNr8nbzFu+f7xzsvzR HiqkAwiIZN4Dnz3CxsfRjqHOCdmuTmOQlhy2FHZ5JQ0VHNEK1WxB0PeQQ7rEa1sUnGH1U15RZOS tgQIyBUPlmz3xGg== X-Developer-Key: i=neil.armstrong@linaro.org; a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add support for the 1200x1920 BOE TV101WUM-LL2 DSI Display Panel found in the Lenovo Smart Tab M10 tablet. The controller is unknown. Signed-off-by: Neil Armstrong --- drivers/gpu/drm/panel/Kconfig | 9 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c | 240 +++++++++++++++++++++++++ 3 files changed, 250 insertions(+) diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 9f49b0189d3b..b52d255f65e6 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -87,6 +87,15 @@ config DRM_PANEL_BOE_TV101WUM_NL6 Say Y here if you want to support for BOE TV101WUM and AUO KD101N80 45NA WUXGA PANEL DSI Video Mode panel +config DRM_PANEL_BOE_TV101WUM_LL2 + tristate "BOE TV101WUM LL2 1200x1920 panel" + depends on OF + depends on DRM_MIPI_DSI + depends on BACKLIGHT_CLASS_DEVICE + help + Say Y here if you want to support for BOE TV101WUM-LL2 + WUXGA PANEL DSI Video Mode panel + config DRM_PANEL_EBBG_FT8719 tristate "EBBG FT8719 panel driver" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 5581387707c6..79c90894b6a4 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_DRM_PANEL_BOE_BF060Y8M_AJ0) += panel-boe-bf060y8m-aj0.o obj-$(CONFIG_DRM_PANEL_BOE_HIMAX8279D) += panel-boe-himax8279d.o obj-$(CONFIG_DRM_PANEL_BOE_TH101MB31UIG002_28A) += panel-boe-th101mb31ig002-28a.o obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o +obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_LL2) += panel-boe-tv101wum-ll2.o obj-$(CONFIG_DRM_PANEL_DSI_CM) += panel-dsi-cm.o obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c new file mode 100644 index 000000000000..5513cb48d949 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c @@ -0,0 +1,240 @@ +// SPDX-License-Identifier: GPL-2.0-only +// Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree: +// Copyright (c) 2013, The Linux Foundation. All rights reserved. +// Copyright (c) 2024, Neil Armstrong + +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +struct boe_tv101wum_ll2 { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + struct gpio_desc *reset_gpio; + struct regulator_bulk_data supplies[2]; +}; + +static inline struct boe_tv101wum_ll2 *to_boe_tv101wum_ll2(struct drm_panel *panel) +{ + return container_of(panel, struct boe_tv101wum_ll2, panel); +} + +static void boe_tv101wum_ll2_reset(struct boe_tv101wum_ll2 *ctx) +{ + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + usleep_range(5000, 6000); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + usleep_range(5000, 6000); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + + msleep(120); +} + +static int boe_tv101wum_ll2_on(struct boe_tv101wum_ll2 *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi }; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx); + + mipi_dsi_msleep(&dsi_ctx, 120); + + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x50, 0x5a, 0x0e); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x80, 0xff, 0x81, 0x68, 0x6c, 0x22, + 0x6d, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x50, 0x5a, 0x23); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x90, 0x00, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x94, 0x2c, 0x00); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x50, 0x5a, 0x19); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xa2, 0x38); + + mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0x50, 0x5a, 0x0c); + mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0x80, 0xfd); + mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0x50, 0x00); + + mipi_dsi_dcs_set_display_on_multi(&dsi_ctx); + + mipi_dsi_msleep(&dsi_ctx, 20); + + return dsi_ctx.accum_err; +} + +static int boe_tv101wum_ll2_off(struct boe_tv101wum_ll2 *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi }; + + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + mipi_dsi_dcs_set_display_off_multi(&dsi_ctx); + + mipi_dsi_msleep(&dsi_ctx, 70); + + mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx); + + mipi_dsi_msleep(&dsi_ctx, 20); + + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x04, 0x5a); + mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x05, 0x5a); + + mipi_dsi_msleep(&dsi_ctx, 150); + + return dsi_ctx.accum_err; +} + +static int boe_tv101wum_ll2_prepare(struct drm_panel *panel) +{ + struct boe_tv101wum_ll2 *ctx = to_boe_tv101wum_ll2(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), + ctx->supplies); + if (ret < 0) + return ret; + + boe_tv101wum_ll2_reset(ctx); + + ret = boe_tv101wum_ll2_on(ctx); + if (ret < 0) { + dev_err(dev, "Failed to initialize panel: %d\n", ret); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + return ret; + } + + return 0; +} + +static int boe_tv101wum_ll2_unprepare(struct drm_panel *panel) +{ + struct boe_tv101wum_ll2 *ctx = to_boe_tv101wum_ll2(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + ret = boe_tv101wum_ll2_off(ctx); + if (ret < 0) + dev_err(dev, "Failed to un-initialize panel: %d\n", ret); + + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + + return 0; +} + +static const struct drm_display_mode boe_tv101wum_ll2_mode = { + .clock = (1200 + 27 + 8 + 12) * (1920 + 155 + 8 + 32) * 60 / 1000, + .hdisplay = 1200, + .hsync_start = 1200 + 27, + .hsync_end = 1200 + 27 + 8, + .htotal = 1200 + 27 + 8 + 12, + .vdisplay = 1920, + .vsync_start = 1920 + 155, + .vsync_end = 1920 + 155 + 8, + .vtotal = 1920 + 155 + 8 + 32, + .width_mm = 136, + .height_mm = 217, + .type = DRM_MODE_TYPE_DRIVER, +}; + +static int boe_tv101wum_ll2_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + return drm_connector_helper_get_modes_fixed(connector, &boe_tv101wum_ll2_mode); +} + +static const struct drm_panel_funcs boe_tv101wum_ll2_panel_funcs = { + .prepare = boe_tv101wum_ll2_prepare, + .unprepare = boe_tv101wum_ll2_unprepare, + .get_modes = boe_tv101wum_ll2_get_modes, +}; + +static int boe_tv101wum_ll2_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct boe_tv101wum_ll2 *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->supplies[0].supply = "vsp"; + ctx->supplies[1].supply = "vsn"; + + ret = devm_regulator_bulk_get(&dsi->dev, ARRAY_SIZE(ctx->supplies), + ctx->supplies); + if (ret < 0) + return ret; + + ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(ctx->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), + "Failed to get reset-gpios\n"); + + ctx->dsi = dsi; + mipi_dsi_set_drvdata(dsi, ctx); + + dsi->lanes = 4; + dsi->format = MIPI_DSI_FMT_RGB888; + dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_VIDEO_HSE; + + drm_panel_init(&ctx->panel, dev, &boe_tv101wum_ll2_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + ctx->panel.prepare_prev_first = true; + + ret = drm_panel_of_backlight(&ctx->panel); + if (ret) + return dev_err_probe(dev, ret, "Failed to get backlight\n"); + + drm_panel_add(&ctx->panel); + + ret = mipi_dsi_attach(dsi); + if (ret < 0) { + drm_panel_remove(&ctx->panel); + return dev_err_probe(dev, ret, "Failed to attach to DSI host\n"); + } + + return 0; +} + +static void boe_tv101wum_ll2_remove(struct mipi_dsi_device *dsi) +{ + struct boe_tv101wum_ll2 *ctx = mipi_dsi_get_drvdata(dsi); + int ret; + + ret = mipi_dsi_detach(dsi); + if (ret < 0) + dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret); + + drm_panel_remove(&ctx->panel); +} + +static const struct of_device_id boe_tv101wum_ll2_of_match[] = { + { .compatible = "boe,tv101wum-ll2" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, boe_tv101wum_ll2_of_match); + +static struct mipi_dsi_driver boe_tv101wum_ll2_driver = { + .probe = boe_tv101wum_ll2_probe, + .remove = boe_tv101wum_ll2_remove, + .driver = { + .name = "panel-boe-tv101wum_ll2", + .of_match_table = boe_tv101wum_ll2_of_match, + }, +}; +module_mipi_dsi_driver(boe_tv101wum_ll2_driver); + +MODULE_DESCRIPTION("DRM driver for Boe TV101WUM-LL2 Panel"); +MODULE_LICENSE("GPL");