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drm/panel: Add Novatek/Tianma NT37700F panel
Some Pixel 3a XL devices have a Tianma panel. Add support for it, with the aid of linux-mdss-dsi-panel-driver-generator. Link: https://github.com/msm8916-mainline/linux-mdss-dsi-panel-driver-generator Signed-off-by: Richard Acayan <mailingradian@gmail.com> Tested-by: Yifei Zhan <yifei@zhan.science> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patch.msgid.link/20260310002606.16413-4-mailingradian@gmail.com
This commit is contained in:
Richard Acayan
committed by
Neil Armstrong
Neil Armstrong
parent
e0102c94ec
commit
2db443036f
@@ -563,6 +563,15 @@ config DRM_PANEL_NOVATEK_NT36672E
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LCD panel module. The panel has a resolution of 1080x2408 and uses 24 bit
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RGB per pixel.
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config DRM_PANEL_NOVATEK_NT37700F
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tristate "Novatek NT37700F DSI panel"
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depends on OF
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depends on DRM_MIPI_DSI
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depends on BACKLIGHT_CLASS_DEVICE
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help
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Say Y here if you want to enable support for Novatek NT37700F DSI
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panel module. The panel has a resolution of 1080x2160.
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config DRM_PANEL_NOVATEK_NT37801
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tristate "Novatek NT37801/NT37810 AMOLED DSI panel"
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depends on OF
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@@ -55,6 +55,7 @@ obj-$(CONFIG_DRM_PANEL_NOVATEK_NT35950) += panel-novatek-nt35950.o
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obj-$(CONFIG_DRM_PANEL_NOVATEK_NT36523) += panel-novatek-nt36523.o
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obj-$(CONFIG_DRM_PANEL_NOVATEK_NT36672A) += panel-novatek-nt36672a.o
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obj-$(CONFIG_DRM_PANEL_NOVATEK_NT36672E) += panel-novatek-nt36672e.o
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obj-$(CONFIG_DRM_PANEL_NOVATEK_NT37700F) += panel-novatek-nt37700f.o
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obj-$(CONFIG_DRM_PANEL_NOVATEK_NT37801) += panel-novatek-nt37801.o
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obj-$(CONFIG_DRM_PANEL_NOVATEK_NT39016) += panel-novatek-nt39016.o
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obj-$(CONFIG_DRM_PANEL_MANTIX_MLAF057WE51) += panel-mantix-mlaf057we51.o
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299
drivers/gpu/drm/panel/panel-novatek-nt37700f.c
Normal file
299
drivers/gpu/drm/panel/panel-novatek-nt37700f.c
Normal file
@@ -0,0 +1,299 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2024, The Linux Foundation. All rights reserved.
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* Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree:
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* Copyright (c) 2013, The Linux Foundation. All rights reserved.
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*/
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#include <linux/backlight.h>
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#include <linux/delay.h>
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#include <linux/gpio/consumer.h>
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#include <linux/module.h>
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#include <linux/regulator/consumer.h>
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#include <linux/of.h>
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#include <video/mipi_display.h>
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#include <drm/drm_mipi_dsi.h>
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#include <drm/drm_modes.h>
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#include <drm/drm_panel.h>
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#include <drm/drm_probe_helper.h>
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struct nt37700f_tianma {
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struct drm_panel panel;
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struct mipi_dsi_device *dsi;
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struct regulator *supply;
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struct gpio_desc *reset_gpio;
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};
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static inline
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struct nt37700f_tianma *to_nt37700f_tianma(struct drm_panel *panel)
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{
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return container_of(panel, struct nt37700f_tianma, panel);
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}
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static void nt37700f_tianma_reset(struct nt37700f_tianma *ctx)
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{
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gpiod_set_value_cansleep(ctx->reset_gpio, 1);
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usleep_range(1000, 2000);
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gpiod_set_value_cansleep(ctx->reset_gpio, 0);
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usleep_range(10000, 11000);
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}
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#define nt37700f_tianma_panel_switch_page(ctx, page) \
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mipi_dsi_dcs_write_seq_multi((ctx), 0xf0, 0x55, 0xaa, 0x52, 0x08, (page))
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static int nt37700f_tianma_on(struct nt37700f_tianma *ctx)
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{
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struct mipi_dsi_device *dsi = ctx->dsi;
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struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
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nt37700f_tianma_panel_switch_page(&dsi_ctx, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc0, 0x56);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xca, 0x52);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6f, 0x06);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb5, 0x2b, 0x1a);
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nt37700f_tianma_panel_switch_page(&dsi_ctx, 0x01);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xcd, 0x04, 0x82);
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nt37700f_tianma_panel_switch_page(&dsi_ctx, 0x02);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xcc, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xff, 0xaa, 0x55, 0xa5, 0x80);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6f, 0x55);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf6, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6f, 0x56);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf6, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xff, 0xaa, 0x55, 0xa5, 0x81);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6f, 0x07);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf3, 0x07);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6f, 0x05);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf3, 0x25);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x90, 0x01);
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mipi_dsi_dcs_set_column_address_multi(&dsi_ctx, 0x0000, 1080 - 1);
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mipi_dsi_dcs_set_page_address_multi(&dsi_ctx, 0x0000, 2160 - 1);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x20);
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mipi_dsi_dcs_set_tear_on_multi(&dsi_ctx, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
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nt37700f_tianma_panel_switch_page(&dsi_ctx, 0x00);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xc0, 0x56);
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nt37700f_tianma_panel_switch_page(&dsi_ctx, 0x02);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xcd, 0x00);
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nt37700f_tianma_panel_switch_page(&dsi_ctx, 0x04);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xd0, 0x11, 0x64);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x6f, 0x09);
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mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xb1, 0x20);
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mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
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mipi_dsi_msleep(&dsi_ctx, 120);
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mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
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return dsi_ctx.accum_err;
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}
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static int nt37700f_tianma_disable(struct drm_panel *panel)
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{
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struct nt37700f_tianma *ctx = to_nt37700f_tianma(panel);
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struct mipi_dsi_device *dsi = ctx->dsi;
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struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
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mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
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mipi_dsi_msleep(&dsi_ctx, 50);
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mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
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mipi_dsi_msleep(&dsi_ctx, 100);
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return dsi_ctx.accum_err;
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}
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static int nt37700f_tianma_prepare(struct drm_panel *panel)
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{
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struct nt37700f_tianma *ctx = to_nt37700f_tianma(panel);
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struct device *dev = &ctx->dsi->dev;
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int ret;
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ret = regulator_enable(ctx->supply);
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if (ret < 0) {
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dev_err(dev, "Failed to enable power supply: %d\n", ret);
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return ret;
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}
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nt37700f_tianma_reset(ctx);
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ret = nt37700f_tianma_on(ctx);
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if (ret < 0) {
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dev_err(dev, "Failed to initialize panel: %d\n", ret);
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gpiod_set_value_cansleep(ctx->reset_gpio, 1);
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return ret;
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}
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return 0;
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}
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static int nt37700f_tianma_unprepare(struct drm_panel *panel)
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{
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struct nt37700f_tianma *ctx = to_nt37700f_tianma(panel);
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gpiod_set_value_cansleep(ctx->reset_gpio, 1);
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regulator_disable(ctx->supply);
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return 0;
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}
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static const struct drm_display_mode nt37700f_tianma_mode = {
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.clock = (1080 + 32 + 32 + 98) * (2160 + 32 + 4 + 98) * 60 / 1000,
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.hdisplay = 1080,
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.hsync_start = 1080 + 32,
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.hsync_end = 1080 + 32 + 32,
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.htotal = 1080 + 32 + 32 + 98,
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.vdisplay = 2160,
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.vsync_start = 2160 + 32,
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.vsync_end = 2160 + 32 + 4,
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.vtotal = 2160 + 32 + 4 + 98,
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.width_mm = 69,
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.height_mm = 137,
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.type = DRM_MODE_TYPE_DRIVER,
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};
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static int nt37700f_tianma_get_modes(struct drm_panel *panel,
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struct drm_connector *connector)
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{
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return drm_connector_helper_get_modes_fixed(connector, &nt37700f_tianma_mode);
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}
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static const struct drm_panel_funcs nt37700f_tianma_panel_funcs = {
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.prepare = nt37700f_tianma_prepare,
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.unprepare = nt37700f_tianma_unprepare,
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.disable = nt37700f_tianma_disable,
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.get_modes = nt37700f_tianma_get_modes,
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};
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static int nt37700f_tianma_bl_update_status(struct backlight_device *bl)
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{
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struct mipi_dsi_device *dsi = bl_get_data(bl);
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u16 brightness = backlight_get_brightness(bl);
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int ret;
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dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
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ret = mipi_dsi_dcs_set_display_brightness_large(dsi, brightness);
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if (ret < 0)
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return ret;
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dsi->mode_flags |= MIPI_DSI_MODE_LPM;
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return 0;
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}
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static int nt37700f_tianma_bl_get_brightness(struct backlight_device *bl)
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{
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struct mipi_dsi_device *dsi = bl_get_data(bl);
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u16 brightness;
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int ret;
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dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
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ret = mipi_dsi_dcs_get_display_brightness_large(dsi, &brightness);
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if (ret < 0)
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return ret;
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dsi->mode_flags |= MIPI_DSI_MODE_LPM;
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return brightness;
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}
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static const struct backlight_ops nt37700f_tianma_bl_ops = {
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.update_status = nt37700f_tianma_bl_update_status,
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.get_brightness = nt37700f_tianma_bl_get_brightness,
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};
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static struct backlight_device *
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nt37700f_tianma_create_backlight(struct mipi_dsi_device *dsi)
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{
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struct device *dev = &dsi->dev;
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const struct backlight_properties props = {
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.type = BACKLIGHT_RAW,
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.brightness = 2047,
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.max_brightness = 2047,
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};
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return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
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&nt37700f_tianma_bl_ops, &props);
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}
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static int nt37700f_tianma_probe(struct mipi_dsi_device *dsi)
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{
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struct device *dev = &dsi->dev;
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struct nt37700f_tianma *ctx;
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int ret;
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ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
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if (!ctx)
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return -ENOMEM;
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ctx->supply = devm_regulator_get(dev, "power");
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if (IS_ERR(ctx->supply))
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return dev_err_probe(dev, PTR_ERR(ctx->supply),
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"Failed to get power-supply\n");
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ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
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if (IS_ERR(ctx->reset_gpio))
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return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
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"Failed to get reset-gpios\n");
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ctx->dsi = dsi;
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mipi_dsi_set_drvdata(dsi, ctx);
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dsi->lanes = 4;
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dsi->format = MIPI_DSI_FMT_RGB888;
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dsi->mode_flags = MIPI_DSI_MODE_VIDEO_BURST |
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MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM;
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drm_panel_init(&ctx->panel, dev, &nt37700f_tianma_panel_funcs,
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DRM_MODE_CONNECTOR_DSI);
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ctx->panel.prepare_prev_first = true;
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ctx->panel.backlight = nt37700f_tianma_create_backlight(dsi);
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if (IS_ERR(ctx->panel.backlight))
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return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight),
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"Failed to create backlight\n");
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drm_panel_add(&ctx->panel);
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ret = mipi_dsi_attach(dsi);
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if (ret < 0) {
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drm_panel_remove(&ctx->panel);
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return dev_err_probe(dev, ret, "Failed to attach to DSI host\n");
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}
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return 0;
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}
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static void nt37700f_tianma_remove(struct mipi_dsi_device *dsi)
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{
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struct nt37700f_tianma *ctx = mipi_dsi_get_drvdata(dsi);
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int ret;
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ret = mipi_dsi_detach(dsi);
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if (ret < 0)
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dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
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drm_panel_remove(&ctx->panel);
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}
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static const struct of_device_id nt37700f_tianma_of_match[] = {
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{ .compatible = "novatek,nt37700f" },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(of, nt37700f_tianma_of_match);
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static struct mipi_dsi_driver nt37700f_tianma_driver = {
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.probe = nt37700f_tianma_probe,
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.remove = nt37700f_tianma_remove,
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.driver = {
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.name = "panel-novatek-nt37700f",
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.of_match_table = nt37700f_tianma_of_match,
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},
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};
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module_mipi_dsi_driver(nt37700f_tianma_driver);
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MODULE_DESCRIPTION("DRM driver for nt37700f cmd mode dsi tianma panel");
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MODULE_LICENSE("GPL");
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