707 lines
19 KiB
C
Executable file
707 lines
19 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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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 <drm/drmP.h>
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#include <drm/drm_mipi_dsi.h>
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#include <drm/drm_panel.h>
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#include <video/mipi_display.h>
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#include <video/of_videomode.h>
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#include <video/videomode.h>
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#include <linux/module.h>
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#include <linux/of_platform.h>
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#include <linux/platform_device.h>
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#include <linux/gpio/consumer.h>
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#define CONFIG_MTK_PANEL_EXT
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#if defined(CONFIG_MTK_PANEL_EXT)
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#include "../mediatek/mtk_panel_ext.h"
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#include "../mediatek/mtk_log.h"
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#include "../mediatek/mtk_drm_graphics_base.h"
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#include "include/panel-tianma-nt36672c-vdo-144hz.h"
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#endif
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/* enable this to check panel self -bist pattern */
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/* #define PANEL_BIST_PATTERN */
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/* option function to read data from some panel address */
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/* #define PANEL_SUPPORT_READBACK */
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struct tianma {
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struct device *dev;
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struct drm_panel panel;
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struct backlight_device *backlight;
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struct gpio_desc *reset_gpio;
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bool prepared;
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bool enabled;
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int error;
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};
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static char bl_tb0[] = {0x51, 0xf, 0xff};
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#define tianma_dcs_write_seq(ctx, seq...) \
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({ \
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const u8 d[] = {seq}; \
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BUILD_BUG_ON_MSG(ARRAY_SIZE(d) > 64, \
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"DCS sequence too big for stack"); \
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tianma_dcs_write(ctx, d, ARRAY_SIZE(d)); \
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})
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#define tianma_dcs_write_seq_static(ctx, seq...) \
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({ \
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static const u8 d[] = {seq}; \
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tianma_dcs_write(ctx, d, ARRAY_SIZE(d)); \
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})
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static inline struct tianma *panel_to_tianma(struct drm_panel *panel)
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{
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return container_of(panel, struct tianma, panel);
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}
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#ifdef PANEL_SUPPORT_READBACK
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static int tianma_dcs_read(struct tianma *ctx, u8 cmd, void *data, size_t len)
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{
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struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
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ssize_t ret;
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if (ctx->error < 0)
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return 0;
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ret = mipi_dsi_dcs_read(dsi, cmd, data, len);
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if (ret < 0) {
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dev_err(ctx->dev, "error %d reading dcs seq:(%#x)\n", ret, cmd);
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ctx->error = ret;
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}
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return ret;
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}
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static void tianma_panel_get_data(struct tianma *ctx)
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{
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u8 buffer[3] = {0};
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static int ret;
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if (ret == 0) {
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ret = tianma_dcs_read(ctx, 0x0A, buffer, 1);
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dev_info(ctx->dev, "return %d data(0x%08x) to dsi engine\n",
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ret, buffer[0] | (buffer[1] << 8));
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}
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}
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static struct LCD_setting_table lcm_suspend_setting[] = {
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{0x28, 2, {0x28, 0x00} },
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{REGFLAG_DELAY, 20, {} },
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{0x51, 2, {0x51, 0x00} },
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{0x10, 2, {0x10, 0x00} },
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{REGFLAG_DELAY, 100, {} },
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};
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#endif
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static void tianma_dcs_write(struct tianma *ctx, const void *data, size_t len)
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{
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struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
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ssize_t ret;
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char *addr;
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if (ctx->error < 0)
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return;
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addr = (char *)data;
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if ((int)*addr < 0xB0)
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ret = mipi_dsi_dcs_write_buffer(dsi, data, len);
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else
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ret = mipi_dsi_generic_write(dsi, data, len);
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if (ret < 0) {
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dev_err(ctx->dev, "error %zd writing seq: %ph\n", ret, data);
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ctx->error = ret;
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}
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}
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static void tianma_panel_init(struct tianma *ctx)
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{
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ctx->reset_gpio = devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_HIGH);
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usleep_range(10 * 1000, 15 * 1000);
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gpiod_set_value(ctx->reset_gpio, 0);
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udelay(11 * 1000);
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gpiod_set_value(ctx->reset_gpio, 1);
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udelay(5 * 1000);
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gpiod_set_value(ctx->reset_gpio, 0);
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udelay(5 * 1000);
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gpiod_set_value(ctx->reset_gpio, 1);
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udelay(13 * 1000);
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devm_gpiod_put(ctx->dev, ctx->reset_gpio);
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tianma_dcs_write_seq_static(ctx, 0xFF, 0x10);
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tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
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tianma_dcs_write_seq_static(ctx, 0x3B, 0x03, 0x14, 0x2E, 0x04, 0x04);
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tianma_dcs_write_seq_static(ctx, 0xB0, 0x00);
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tianma_dcs_write_seq_static(ctx, 0xC1, 0x89, 0x28,
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0x00, 0x08, 0x00, 0xAA, 0x02, 0x0E, 0x00,
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0x2B, 0x00, 0x07, 0x0D, 0xB7, 0x0C, 0xB7);
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tianma_dcs_write_seq_static(ctx, 0xC2, 0x1B, 0xA0);
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tianma_dcs_write_seq_static(ctx, 0xE9, 0x01);
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tianma_dcs_write_seq_static(ctx, 0xFF, 0xF0);
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tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
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tianma_dcs_write_seq_static(ctx, 0x5A, 0x00);
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tianma_dcs_write_seq_static(ctx, 0x9F, 0x0F);
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tianma_dcs_write_seq_static(ctx, 0xFF, 0x10);
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tianma_dcs_write_seq_static(ctx, 0x51, 0xFF);
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tianma_dcs_write_seq_static(ctx, 0x53, 0x24);
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tianma_dcs_write_seq_static(ctx, 0x55, 0x00);
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tianma_dcs_write_seq_static(ctx, 0x29, 0x00);
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tianma_dcs_write_seq_static(ctx, 0x11, 0x00);
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msleep(20);
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}
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static int tianma_disable(struct drm_panel *panel)
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{
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struct tianma *ctx = panel_to_tianma(panel);
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if (!ctx->enabled)
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return 0;
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if (ctx->backlight) {
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ctx->backlight->props.power = FB_BLANK_POWERDOWN;
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backlight_update_status(ctx->backlight);
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}
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ctx->enabled = false;
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return 0;
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}
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static int tianma_unprepare(struct drm_panel *panel)
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{
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struct tianma *ctx = panel_to_tianma(panel);
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if (!ctx->prepared)
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return 0;
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tianma_dcs_write_seq_static(ctx, MIPI_DCS_ENTER_SLEEP_MODE);
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tianma_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_OFF);
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msleep(200);
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ctx->reset_gpio = devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_HIGH);
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gpiod_set_value(ctx->reset_gpio, 0);
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devm_gpiod_put(ctx->dev, ctx->reset_gpio);
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ctx->error = 0;
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ctx->prepared = false;
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return 0;
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}
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static int tianma_prepare(struct drm_panel *panel)
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{
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struct tianma *ctx = panel_to_tianma(panel);
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int ret;
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pr_info("%s\n", __func__);
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if (ctx->prepared)
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return 0;
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tianma_panel_init(ctx);
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ret = ctx->error;
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if (ret < 0)
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tianma_unprepare(panel);
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ctx->prepared = true;
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#ifdef PANEL_SUPPORT_READBACK
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tianma_panel_get_data(ctx);
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#endif
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return ret;
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}
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static int tianma_enable(struct drm_panel *panel)
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{
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struct tianma *ctx = panel_to_tianma(panel);
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if (ctx->enabled)
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return 0;
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if (ctx->backlight) {
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ctx->backlight->props.power = FB_BLANK_UNBLANK;
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backlight_update_status(ctx->backlight);
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}
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ctx->enabled = true;
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return 0;
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}
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static const struct drm_display_mode default_mode = {
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.clock = 414831,
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.hdisplay = FRAME_WIDTH,
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.hsync_start = FRAME_WIDTH + MODE_0_HFP,
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.hsync_end = FRAME_WIDTH + MODE_0_HFP + HSA,
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.htotal = FRAME_WIDTH + MODE_0_HFP + HSA + HBP,
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.vdisplay = FRAME_HEIGHT,
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.vsync_start = FRAME_HEIGHT + MODE_0_VFP,
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.vsync_end = FRAME_HEIGHT + MODE_0_VFP + VSA,
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.vtotal = FRAME_HEIGHT + MODE_0_VFP + VSA + VBP,
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.vrefresh = MODE_0_FPS,
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};
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static const struct drm_display_mode performance_mode_90hz = {
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.clock = 414831,
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.hdisplay = FRAME_WIDTH,
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.hsync_start = FRAME_WIDTH + MODE_1_HFP,
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.hsync_end = FRAME_WIDTH + MODE_1_HFP + HSA,
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.htotal = FRAME_WIDTH + MODE_1_HFP + HSA + HBP,
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.vdisplay = FRAME_HEIGHT,
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.vsync_start = FRAME_HEIGHT + MODE_1_VFP,
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.vsync_end = FRAME_HEIGHT + MODE_1_VFP + VSA,
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.vtotal = FRAME_HEIGHT + MODE_1_VFP + VSA + VBP,
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.vrefresh = MODE_1_FPS,
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};
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static const struct drm_display_mode performance_mode_60hz = {
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.clock = 414831,
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.hdisplay = FRAME_WIDTH,
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.hsync_start = FRAME_WIDTH + MODE_2_HFP,
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.hsync_end = FRAME_WIDTH + MODE_2_HFP + HSA,
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.htotal = FRAME_WIDTH + MODE_2_HFP + HSA + HBP,
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.vdisplay = FRAME_HEIGHT,
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.vsync_start = FRAME_HEIGHT + MODE_2_VFP,
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.vsync_end = FRAME_HEIGHT + MODE_2_VFP + VSA,
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.vtotal = FRAME_HEIGHT + MODE_2_VFP + VSA + VBP,
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.vrefresh = MODE_2_FPS,
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};
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#if defined(CONFIG_MTK_PANEL_EXT)
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static struct mtk_panel_params ext_params = {
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.cust_esd_check = 1,
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.esd_check_enable = 1,
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.lcm_esd_check_table[0] = {
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.cmd = 0x0a,
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.count = 1,
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.para_list[0] = 0x9c,
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},
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.physical_width_um = PHYSICAL_WIDTH,
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.physical_height_um = PHYSICAL_HEIGHT,
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.output_mode = MTK_PANEL_DSC_SINGLE_PORT,
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.dsc_params = {
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.enable = DSC_ENABLE,
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.ver = DSC_VER,
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.slice_mode = DSC_SLICE_MODE,
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.rgb_swap = DSC_RGB_SWAP,
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.dsc_cfg = DSC_DSC_CFG,
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.rct_on = DSC_RCT_ON,
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.bit_per_channel = DSC_BIT_PER_CHANNEL,
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.dsc_line_buf_depth = DSC_DSC_LINE_BUF_DEPTH,
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.bp_enable = DSC_BP_ENABLE,
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.bit_per_pixel = DSC_BIT_PER_PIXEL,
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.pic_height = FRAME_HEIGHT,
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.pic_width = FRAME_WIDTH,
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.slice_height = DSC_SLICE_HEIGHT,
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.slice_width = DSC_SLICE_WIDTH,
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.chunk_size = DSC_CHUNK_SIZE,
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.xmit_delay = DSC_XMIT_DELAY,
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.dec_delay = DSC_DEC_DELAY,
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.scale_value = DSC_SCALE_VALUE,
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.increment_interval = DSC_INCREMENT_INTERVAL,
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.decrement_interval = DSC_DECREMENT_INTERVAL,
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.line_bpg_offset = DSC_LINE_BPG_OFFSET,
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.nfl_bpg_offset = DSC_NFL_BPG_OFFSET,
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.slice_bpg_offset = DSC_SLICE_BPG_OFFSET,
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.initial_offset = DSC_INITIAL_OFFSET,
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.final_offset = DSC_FINAL_OFFSET,
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.flatness_minqp = DSC_FLATNESS_MINQP,
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.flatness_maxqp = DSC_FLATNESS_MAXQP,
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.rc_model_size = DSC_RC_MODEL_SIZE,
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.rc_edge_factor = DSC_RC_EDGE_FACTOR,
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.rc_quant_incr_limit0 = DSC_RC_QUANT_INCR_LIMIT0,
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.rc_quant_incr_limit1 = DSC_RC_QUANT_INCR_LIMIT1,
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.rc_tgt_offset_hi = DSC_RC_TGT_OFFSET_HI,
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.rc_tgt_offset_lo = DSC_RC_TGT_OFFSET_LO,
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},
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.dyn = {
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.switch_en = 0,
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.data_rate = MODE_0_DATA_RATE,
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},
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.dyn_fps = {
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.switch_en = 0,
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.vact_timing_fps = MODE_0_FPS,
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},
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.data_rate = DATA_RATE,
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.lfr_enable = 1,
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.lfr_minimum_fps = 60,
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};
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static struct mtk_panel_params ext_params_90hz = {
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.cust_esd_check = 1,
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.esd_check_enable = 1,
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.lcm_esd_check_table[0] = {
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.cmd = 0x0a,
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.count = 1,
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.para_list[0] = 0x9c,
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},
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.physical_width_um = PHYSICAL_WIDTH,
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.physical_height_um = PHYSICAL_HEIGHT,
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.output_mode = MTK_PANEL_DSC_SINGLE_PORT,
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.dsc_params = {
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.enable = DSC_ENABLE,
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.ver = DSC_VER,
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.slice_mode = DSC_SLICE_MODE,
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.rgb_swap = DSC_RGB_SWAP,
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.dsc_cfg = DSC_DSC_CFG,
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.rct_on = DSC_RCT_ON,
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.bit_per_channel = DSC_BIT_PER_CHANNEL,
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.dsc_line_buf_depth = DSC_DSC_LINE_BUF_DEPTH,
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.bp_enable = DSC_BP_ENABLE,
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.bit_per_pixel = DSC_BIT_PER_PIXEL,
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.pic_height = FRAME_HEIGHT,
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.pic_width = FRAME_WIDTH,
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.slice_height = DSC_SLICE_HEIGHT,
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.slice_width = DSC_SLICE_WIDTH,
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.chunk_size = DSC_CHUNK_SIZE,
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.xmit_delay = DSC_XMIT_DELAY,
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.dec_delay = DSC_DEC_DELAY,
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.scale_value = DSC_SCALE_VALUE,
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.increment_interval = DSC_INCREMENT_INTERVAL,
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.decrement_interval = DSC_DECREMENT_INTERVAL,
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.line_bpg_offset = DSC_LINE_BPG_OFFSET,
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.nfl_bpg_offset = DSC_NFL_BPG_OFFSET,
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.slice_bpg_offset = DSC_SLICE_BPG_OFFSET,
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.initial_offset = DSC_INITIAL_OFFSET,
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.final_offset = DSC_FINAL_OFFSET,
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.flatness_minqp = DSC_FLATNESS_MINQP,
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.flatness_maxqp = DSC_FLATNESS_MAXQP,
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.rc_model_size = DSC_RC_MODEL_SIZE,
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.rc_edge_factor = DSC_RC_EDGE_FACTOR,
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.rc_quant_incr_limit0 = DSC_RC_QUANT_INCR_LIMIT0,
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.rc_quant_incr_limit1 = DSC_RC_QUANT_INCR_LIMIT1,
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.rc_tgt_offset_hi = DSC_RC_TGT_OFFSET_HI,
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.rc_tgt_offset_lo = DSC_RC_TGT_OFFSET_LO,
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},
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.dyn = {
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.switch_en = 0,
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.data_rate = MODE_1_DATA_RATE,
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},
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.dyn_fps = {
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.switch_en = 0,
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.vact_timing_fps = MODE_1_FPS,
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},
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.data_rate = DATA_RATE,
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.lfr_enable = 1,
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.lfr_minimum_fps = 60,
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};
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static struct mtk_panel_params ext_params_60hz = {
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.cust_esd_check = 1,
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.esd_check_enable = 1,
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.lcm_esd_check_table[0] = {
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.cmd = 0x0a,
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.count = 1,
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.para_list[0] = 0x9c,
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},
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.physical_width_um = PHYSICAL_WIDTH,
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.physical_height_um = PHYSICAL_HEIGHT,
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.output_mode = MTK_PANEL_DSC_SINGLE_PORT,
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.dsc_params = {
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.enable = DSC_ENABLE,
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.ver = DSC_VER,
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.slice_mode = DSC_SLICE_MODE,
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.rgb_swap = DSC_RGB_SWAP,
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.dsc_cfg = DSC_DSC_CFG,
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.rct_on = DSC_RCT_ON,
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.bit_per_channel = DSC_BIT_PER_CHANNEL,
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.dsc_line_buf_depth = DSC_DSC_LINE_BUF_DEPTH,
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.bp_enable = DSC_BP_ENABLE,
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.bit_per_pixel = DSC_BIT_PER_PIXEL,
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.pic_height = FRAME_HEIGHT,
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.pic_width = FRAME_WIDTH,
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.slice_height = DSC_SLICE_HEIGHT,
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.slice_width = DSC_SLICE_WIDTH,
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.chunk_size = DSC_CHUNK_SIZE,
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.xmit_delay = DSC_XMIT_DELAY,
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.dec_delay = DSC_DEC_DELAY,
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.scale_value = DSC_SCALE_VALUE,
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.increment_interval = DSC_INCREMENT_INTERVAL,
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.decrement_interval = DSC_DECREMENT_INTERVAL,
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.line_bpg_offset = DSC_LINE_BPG_OFFSET,
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.nfl_bpg_offset = DSC_NFL_BPG_OFFSET,
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.slice_bpg_offset = DSC_SLICE_BPG_OFFSET,
|
|
.initial_offset = DSC_INITIAL_OFFSET,
|
|
.final_offset = DSC_FINAL_OFFSET,
|
|
.flatness_minqp = DSC_FLATNESS_MINQP,
|
|
.flatness_maxqp = DSC_FLATNESS_MAXQP,
|
|
.rc_model_size = DSC_RC_MODEL_SIZE,
|
|
.rc_edge_factor = DSC_RC_EDGE_FACTOR,
|
|
.rc_quant_incr_limit0 = DSC_RC_QUANT_INCR_LIMIT0,
|
|
.rc_quant_incr_limit1 = DSC_RC_QUANT_INCR_LIMIT1,
|
|
.rc_tgt_offset_hi = DSC_RC_TGT_OFFSET_HI,
|
|
.rc_tgt_offset_lo = DSC_RC_TGT_OFFSET_LO,
|
|
},
|
|
.dyn = {
|
|
.switch_en = 0,
|
|
.data_rate = MODE_2_DATA_RATE,
|
|
},
|
|
.dyn_fps = {
|
|
.switch_en = 0,
|
|
.vact_timing_fps = MODE_2_FPS,
|
|
},
|
|
.data_rate = DATA_RATE,
|
|
.lfr_enable = 1,
|
|
.lfr_minimum_fps = 60,
|
|
};
|
|
|
|
static int tianma_setbacklight_cmdq(void *dsi, dcs_write_gce cb,
|
|
void *handle, unsigned int level)
|
|
{
|
|
if (level > 255)
|
|
level = 255;
|
|
|
|
level = level * 4095 / 255;
|
|
bl_tb0[1] = ((level >> 8) & 0xf);
|
|
bl_tb0[2] = (level & 0xff);
|
|
|
|
if (!cb)
|
|
return -1;
|
|
|
|
cb(dsi, handle, bl_tb0, ARRAY_SIZE(bl_tb0));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mtk_panel_ext_param_set(struct drm_panel *panel,
|
|
unsigned int mode)
|
|
{
|
|
struct mtk_panel_ext *ext = find_panel_ext(panel);
|
|
int ret = 0;
|
|
|
|
if (mode == 0)
|
|
ext->params = &ext_params;
|
|
else if (mode == 1)
|
|
ext->params = &ext_params_90hz;
|
|
else if (mode == 2)
|
|
ext->params = &ext_params_60hz;
|
|
else
|
|
ret = 1;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int panel_ext_reset(struct drm_panel *panel, int on)
|
|
{
|
|
struct tianma *ctx = panel_to_tianma(panel);
|
|
|
|
ctx->reset_gpio =
|
|
devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_HIGH);
|
|
gpiod_set_value(ctx->reset_gpio, on);
|
|
devm_gpiod_put(ctx->dev, ctx->reset_gpio);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct mtk_panel_funcs ext_funcs = {
|
|
.set_backlight_cmdq = tianma_setbacklight_cmdq,
|
|
.reset = panel_ext_reset,
|
|
.ext_param_set = mtk_panel_ext_param_set,
|
|
};
|
|
#endif
|
|
|
|
struct panel_desc {
|
|
const struct drm_display_mode *modes;
|
|
unsigned int num_modes;
|
|
|
|
unsigned int bpc;
|
|
|
|
struct {
|
|
unsigned int width;
|
|
unsigned int height;
|
|
} size;
|
|
|
|
/**
|
|
* @prepare: the time (in milliseconds) that it takes for the panel to
|
|
* become ready and start receiving video data
|
|
* @enable: the time (in milliseconds) that it takes for the panel to
|
|
* display the first valid frame after starting to receive
|
|
* video data
|
|
* @disable: the time (in milliseconds) that it takes for the panel to
|
|
* turn the display off (no content is visible)
|
|
* @unprepare: the time (in milliseconds) that it takes for the panel
|
|
* to power itself down completely
|
|
*/
|
|
struct {
|
|
unsigned int prepare;
|
|
unsigned int enable;
|
|
unsigned int disable;
|
|
unsigned int unprepare;
|
|
} delay;
|
|
};
|
|
|
|
static int tianma_get_modes(struct drm_panel *panel)
|
|
{
|
|
struct drm_display_mode *mode;
|
|
struct drm_display_mode *mode_90hz;
|
|
struct drm_display_mode *mode_60hz;
|
|
|
|
mode = drm_mode_duplicate(panel->drm, &default_mode);
|
|
if (!mode) {
|
|
dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
|
|
default_mode.hdisplay, default_mode.vdisplay,
|
|
default_mode.vrefresh);
|
|
return -ENOMEM;
|
|
}
|
|
drm_mode_set_name(mode);
|
|
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
|
|
drm_mode_probed_add(panel->connector, mode);
|
|
|
|
mode_90hz = drm_mode_duplicate(panel->drm, &performance_mode_90hz);
|
|
if (!mode_90hz) {
|
|
dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
|
|
performance_mode_90hz.hdisplay,
|
|
performance_mode_90hz.vdisplay,
|
|
performance_mode_90hz.vrefresh);
|
|
return -ENOMEM;
|
|
}
|
|
drm_mode_set_name(mode_90hz);
|
|
mode_90hz->type = DRM_MODE_TYPE_DRIVER;
|
|
drm_mode_probed_add(panel->connector, mode_90hz);
|
|
|
|
|
|
mode_60hz = drm_mode_duplicate(panel->drm, &performance_mode_60hz);
|
|
if (!mode_60hz) {
|
|
dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
|
|
performance_mode_60hz.hdisplay,
|
|
performance_mode_60hz.vdisplay,
|
|
performance_mode_60hz.vrefresh);
|
|
return -ENOMEM;
|
|
}
|
|
drm_mode_set_name(mode_60hz);
|
|
mode_60hz->type = DRM_MODE_TYPE_DRIVER;
|
|
drm_mode_probed_add(panel->connector, mode_60hz);
|
|
|
|
panel->connector->display_info.width_mm = 64;
|
|
panel->connector->display_info.height_mm = 129;
|
|
|
|
return 3;
|
|
}
|
|
|
|
static const struct drm_panel_funcs tianma_drm_funcs = {
|
|
.disable = tianma_disable,
|
|
.unprepare = tianma_unprepare,
|
|
.prepare = tianma_prepare,
|
|
.enable = tianma_enable,
|
|
.get_modes = tianma_get_modes,
|
|
};
|
|
|
|
static int tianma_probe(struct mipi_dsi_device *dsi)
|
|
{
|
|
struct device *dev = &dsi->dev;
|
|
struct tianma *ctx;
|
|
struct device_node *backlight;
|
|
int ret;
|
|
|
|
pr_err("%s+\n", __func__);
|
|
ctx = devm_kzalloc(dev, sizeof(struct tianma), GFP_KERNEL);
|
|
if (!ctx)
|
|
return -ENOMEM;
|
|
|
|
mipi_dsi_set_drvdata(dsi, ctx);
|
|
|
|
ctx->dev = dev;
|
|
dsi->lanes = 4;
|
|
dsi->format = MIPI_DSI_FMT_RGB888;
|
|
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE
|
|
| MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET
|
|
| MIPI_DSI_CLOCK_NON_CONTINUOUS;
|
|
|
|
backlight = of_parse_phandle(dev->of_node, "backlight", 0);
|
|
if (backlight) {
|
|
ctx->backlight = of_find_backlight_by_node(backlight);
|
|
of_node_put(backlight);
|
|
|
|
if (!ctx->backlight)
|
|
return -EPROBE_DEFER;
|
|
}
|
|
|
|
ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
|
|
if (IS_ERR(ctx->reset_gpio)) {
|
|
dev_err(dev, "cannot get reset-gpios %ld\n",
|
|
PTR_ERR(ctx->reset_gpio));
|
|
return PTR_ERR(ctx->reset_gpio);
|
|
}
|
|
devm_gpiod_put(dev, ctx->reset_gpio);
|
|
|
|
ctx->prepared = true;
|
|
ctx->enabled = true;
|
|
|
|
drm_panel_init(&ctx->panel);
|
|
ctx->panel.dev = dev;
|
|
ctx->panel.funcs = &tianma_drm_funcs;
|
|
|
|
ret = drm_panel_add(&ctx->panel);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = mipi_dsi_attach(dsi);
|
|
if (ret < 0)
|
|
drm_panel_remove(&ctx->panel);
|
|
|
|
#if defined(CONFIG_MTK_PANEL_EXT)
|
|
ret = mtk_panel_ext_create(dev, &ext_params, &ext_funcs, &ctx->panel);
|
|
if (ret < 0)
|
|
return ret;
|
|
#endif
|
|
|
|
pr_err("%s-\n", __func__);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int tianma_remove(struct mipi_dsi_device *dsi)
|
|
{
|
|
struct tianma *ctx = mipi_dsi_get_drvdata(dsi);
|
|
|
|
mipi_dsi_detach(dsi);
|
|
drm_panel_remove(&ctx->panel);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id tianma_of_match[] = {
|
|
{
|
|
.compatible = "tianma,nt36672c,vdo,144hz",
|
|
},
|
|
{} };
|
|
|
|
MODULE_DEVICE_TABLE(of, tianma_of_match);
|
|
|
|
static struct mipi_dsi_driver tianma_driver = {
|
|
.probe = tianma_probe,
|
|
.remove = tianma_remove,
|
|
.driver = {
|
|
.name = "panel-tianma-nt36672c-vdo-144hz",
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = tianma_of_match,
|
|
},
|
|
};
|
|
|
|
module_mipi_dsi_driver(tianma_driver);
|
|
|
|
MODULE_AUTHOR("Elon Hsu <elon.hsu@mediatek.com>");
|
|
MODULE_DESCRIPTION("tianma nt36672C vdo 144hz Panel Driver");
|
|
MODULE_LICENSE("GPL v2");
|
|
|