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Wed, 28 Aug 2024 08:04:25 -0700 (PDT) From: Neil Armstrong Date: Wed, 28 Aug 2024 17:04:19 +0200 Subject: [PATCH v3 1/2] dt-bindings: display: panel: document BOE TV101WUM-LL2 DSI Display Panel MIME-Version: 1.0 Message-Id: <20240828-topic-sdm450-upstream-tbx605f-panel-v3-1-b792f93e1d6b@linaro.org> References: <20240828-topic-sdm450-upstream-tbx605f-panel-v3-0-b792f93e1d6b@linaro.org> In-Reply-To: <20240828-topic-sdm450-upstream-tbx605f-panel-v3-0-b792f93e1d6b@linaro.org> To: Jessica Zhang , Doug Anderson , 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 , Conor Dooley X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2015; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=Zo7rD7LhsqXVWI1DlfMsF/Q1UaOY4RkLnQpyLGe4S4Y=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBmzzx2e+rGJcY9aA20YsXF2siW6akjbc73Kqn1Tmhi Kmp1SoeJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZs88dgAKCRB33NvayMhJ0aaBD/ 4iXjIOlveRa6jF3JZdEq5okV2hJqVKi93AU82I45MdmKsZ/MDVAy/SGO7sTfYOqWy/LauFfr3dyklo ioA7eKXwxf56enMTbyPftTAw7y/jB5wXHouMaxy8EDxm6StkGtgryC8donIUtYwM+ObgtLZgj7+1mf uJTtbrOeNYRVhmEFLjkCWkyFrX3MXlnZQtFrxu+Ky1gAyrYc6XAz8wpiQYL+2XKFm994BVq4Iz8k54 a7t1bXvN3IF2fW3HDFRz8ToBZE40/1YLW+1v797Fpn7HPUGZuVVWMrReYhh6iDyGVn6G3yKZh8DarN WKi6x8hP1t4/X2qlmjgcPcN2zswdqksCWf6GV8DQMekWO45fYHxHxt8nw9mDqMTFXmfCsNqFv6RbGb 4nw9M8iOouhMtZsMxG5M2pNZqy1fIt3+jrp2Dv17huEk8CNQrCna7ToLOWrLzyLtlOjq6bnM20lIRa tnDWFZfBUcc3BQbhyIOq2wa6INvyjbH7ERC1Qw4WxF0UIYLOpPsugJQnDU58Af7L4JJJNI4S3ZUTnN W5z6Mm3ywQuQqNN6JAvQx6C1ATiXPpy/OjnZoGC0WPv6EbVJ3cISWFKobVw2FXo9MOP4xS6e4q1tNj sYc8FSjB5sFYr90whLpg/aOJqUUvREmiLjY7DWQKsV41oCxaq8szbY+SGWxQ== 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. Reviewed-by: Conor Dooley Signed-off-by: Neil Armstrong --- .../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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Wed, 28 Aug 2024 08:04:26 -0700 (PDT) From: Neil Armstrong Date: Wed, 28 Aug 2024 17:04:20 +0200 Subject: [PATCH v3 2/2] drm/panel: add BOE tv101wum-ll2 panel driver MIME-Version: 1.0 Message-Id: <20240828-topic-sdm450-upstream-tbx605f-panel-v3-2-b792f93e1d6b@linaro.org> References: <20240828-topic-sdm450-upstream-tbx605f-panel-v3-0-b792f93e1d6b@linaro.org> In-Reply-To: <20240828-topic-sdm450-upstream-tbx605f-panel-v3-0-b792f93e1d6b@linaro.org> To: Jessica Zhang , Doug Anderson , 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 0.14.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=9332; i=neil.armstrong@linaro.org; h=from:subject:message-id; bh=2Njn5bNaQDufIW+OX+YZ1RHg5HJaiNzkyAOoSbvzm8A=; b=owEBbQKS/ZANAwAKAXfc29rIyEnRAcsmYgBmzzx2xzIgzzTwbmLl1TAR13hy/J92QkAtloCMVy+f DdrPbSSJAjMEAAEKAB0WIQQ9U8YmyFYF/h30LIt33NvayMhJ0QUCZs88dgAKCRB33NvayMhJ0SX4D/ 48U+QXmG//5nMaaLesF5mp91A/N/oSn7DBF39+qK/eNzZgM01q7hClqJfJM1mNZAxYQpyZBOc2mzP9 6DN+TpY9rqiohpjDnNKdkly+N7cl//qMRZfK8d25fRSFjIZAq12BjAUJXbyfUFW39eg2rewYyYZcX8 yRGQNYvDFTS2D1+x1B+cu269ExM0CGMFDoR8h8MkHIluSgoOrbHxDOWDVKeAdMV+dA2mBD9Ldxdvbq 3PjW8hG/6YaFAAbQzA1XEkfP562YNc1PWBalN3NyGs69N77fqBpzu4Eofo0/QmaBUIdExy2QR21G/l 3hoN3G2SnDFTdN8ibgFV0M/y6CQyRJnkEfqhznMPUZYU8xYra5pl0RW5SAYWHYzxWYKtcjpt/wpj4i 4kGoo2/qTb4mUWdoCR2rKu6srRvOkLHXwnfdx91tNpvdfpAUZqHRuUeKi1qUwopi++AViFt/EjiUy/ jmat3F3QB+inXbOfQitOkTSHgtt2kJ2F+PJWTL0T9wduBxtqyn7GitlWD7U1O/LNfdA9l2/UHnK5aj LRGoniKjMxp9dYcNDl3UzjuDT1uqiMsfLrTAaITF1DbJa4EFLpquwVVmKyZSOmhM2mMbSZaIWg6+LF rktnXfBMFKGYlciQnbWBINV7QuJK6PXHp45AvSwumDs0wxDGFqHINaw6Fspg== 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. Reviewed-by: Douglas Anderson 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 | 241 +++++++++++++++++++++++++ 3 files changed, 251 insertions(+) diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 5d83ddc06ece..d3a9a9fafe4e 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..987a08702410 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_DRM_PANEL_AUO_A030JTN01) += panel-auo-a030jtn01.o 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_LL2) += panel-boe-tv101wum-ll2.o obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o obj-$(CONFIG_DRM_PANEL_DSI_CM) += panel-dsi-cm.o obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.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..50e4a5341bc6 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-ll2.c @@ -0,0 +1,241 @@ +// 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; +}; + +static const struct regulator_bulk_data boe_tv101wum_ll2_supplies[] = { + { .supply = "vsp" }, + { .supply = "vsn" }, +}; + +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 void 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); +} + +static int boe_tv101wum_ll2_prepare(struct drm_panel *panel) +{ + struct boe_tv101wum_ll2 *ctx = to_boe_tv101wum_ll2(panel); + int ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(boe_tv101wum_ll2_supplies), + ctx->supplies); + if (ret < 0) + return ret; + + boe_tv101wum_ll2_reset(ctx); + + ret = boe_tv101wum_ll2_on(ctx); + if (ret < 0) { + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + regulator_bulk_disable(ARRAY_SIZE(boe_tv101wum_ll2_supplies), + ctx->supplies); + return ret; + } + + return 0; +} + +static int boe_tv101wum_ll2_unprepare(struct drm_panel *panel) +{ + struct boe_tv101wum_ll2 *ctx = to_boe_tv101wum_ll2(panel); + + /* Ignore errors on failure, in any case set gpio and disable regulators */ + boe_tv101wum_ll2_off(ctx); + + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + + regulator_bulk_disable(ARRAY_SIZE(boe_tv101wum_ll2_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) +{ + /* We do not set display_info.bpc since unset value is bpc=8 by default */ + 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; + + ret = devm_regulator_bulk_get_const(&dsi->dev, + ARRAY_SIZE(boe_tv101wum_ll2_supplies), + boe_tv101wum_ll2_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");