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kernel_samsung_a34x-permissive/drivers/gpu/drm/panel/panel-tianma-r66451-cmd-no-mipi-switch.c

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Import A346BXXU1AWB9 kernel source Android 13
2024-04-28 06:49:01 -07:00
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#include <linux/backlight.h>
#include <linux/delay.h>
#include <drm/drmP.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_panel.h>
#include <linux/gpio/consumer.h>
#include <video/mipi_display.h>
#include <video/of_videomode.h>
#include <video/videomode.h>
#include <linux/module.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#define CONFIG_MTK_PANEL_EXT
#if defined(CONFIG_MTK_PANEL_EXT)
#include "../mediatek/mtk_panel_ext.h"
#include "../mediatek/mtk_log.h"
#include "../mediatek/mtk_drm_graphics_base.h"
#endif
/* enable this to check panel self -bist pattern */
/* #define PANEL_BIST_PATTERN */
/* option function to read data from some panel address */
/* #define PANEL_SUPPORT_READBACK */
struct tianma {
struct device *dev;
struct drm_panel panel;
struct backlight_device *backlight;
struct gpio_desc *reset_gpio;
bool prepared;
bool enabled;
int error;
};
static char bl_tb0[] = {0x51, 0xf, 0xff};
#define tianma_dcs_write_seq(ctx, seq...) \
({ \
const u8 d[] = {seq}; \
BUILD_BUG_ON_MSG(ARRAY_SIZE(d) > 64, \
"DCS sequence too big for stack"); \
tianma_dcs_write(ctx, d, ARRAY_SIZE(d)); \
})
#define tianma_dcs_write_seq_static(ctx, seq...) \
({ \
static const u8 d[] = {seq}; \
tianma_dcs_write(ctx, d, ARRAY_SIZE(d)); \
})
static inline struct tianma *panel_to_tianma(struct drm_panel *panel)
{
return container_of(panel, struct tianma, panel);
}
#ifdef PANEL_SUPPORT_READBACK
static int tianma_dcs_read(struct tianma *ctx, u8 cmd, void *data, size_t len)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
ssize_t ret;
if (ctx->error < 0)
return 0;
ret = mipi_dsi_dcs_read(dsi, cmd, data, len);
if (ret < 0) {
dev_err(ctx->dev, "error %d reading dcs seq:(%#x)\n", ret, cmd);
ctx->error = ret;
}
return ret;
}
static void tianma_panel_get_data(struct tianma *ctx)
{
u8 buffer[3] = {0};
static int ret;
if (ret == 0) {
ret = tianma_dcs_read(ctx, 0x0A, buffer, 1);
dev_info(ctx->dev, "return %d data(0x%08x) to dsi engine\n",
ret, buffer[0] | (buffer[1] << 8));
}
}
#endif
static void tianma_dcs_write(struct tianma *ctx, const void *data, size_t len)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
ssize_t ret;
char *addr;
if (ctx->error < 0)
return;
addr = (char *)data;
if ((int)*addr < 0xB0)
ret = mipi_dsi_dcs_write_buffer(dsi, data, len);
else
ret = mipi_dsi_generic_write(dsi, data, len);
if (ret < 0) {
dev_err(ctx->dev, "error %zd writing seq: %ph\n", ret, data);
ctx->error = ret;
}
}
static void tianma_panel_init(struct tianma *ctx)
{
ctx->reset_gpio = devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_HIGH);
usleep_range(10 * 1000, 15 * 1000);
gpiod_set_value(ctx->reset_gpio, 0);
usleep_range(10 * 1000, 15 * 1000);
gpiod_set_value(ctx->reset_gpio, 1);
usleep_range(10 * 1000, 15 * 1000);
devm_gpiod_put(ctx->dev, ctx->reset_gpio);
msleep(200);
/* set PLL to 285M */
tianma_dcs_write_seq_static(ctx, 0xB0, 0x00);
tianma_dcs_write_seq_static(ctx, 0xB6, 0x59, 0x00, 0x06, 0x23, 0x8A,
0x13, 0x1A, 0x05, 0x04, 0xFA, 0x05, 0x20);
tianma_dcs_write_seq(ctx, bl_tb0[0], bl_tb0[1], bl_tb0[2]);
tianma_dcs_write_seq_static(ctx, 0x53, 0x04);
tianma_dcs_write_seq_static(ctx, 0x35, 0x00);
tianma_dcs_write_seq_static(ctx, 0x44, 0x08, 0x66);
tianma_dcs_write_seq_static(ctx, 0x2a, 0x00, 0x00, 0x04, 0x37);
tianma_dcs_write_seq_static(ctx, 0x2b, 0x00, 0x00, 0x09, 0x23);
msleep(200);
tianma_dcs_write_seq_static(ctx, 0xB0, 0x80);
tianma_dcs_write_seq_static(ctx, 0xD4, 0x93);
tianma_dcs_write_seq_static(ctx, 0x50, 0x42, 0x58, 0x81, 0x2D, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x6B, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0xFF, 0xD4,
0x0E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x00, 0x53,
0x18, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
/* set PPS to table and choose table 0 */
tianma_dcs_write_seq_static(ctx, 0xF7, 0x01);
tianma_dcs_write_seq_static(ctx, 0xF8, 0x11, 0x00, 0x00, 0x89, 0x30,
0x80, 0x09, 0x24, 0x04, 0x38, 0x00, 0x14, 0x02, 0x1c, 0x02,
0x1c, 0x02, 0x00, 0x02, 0x0e, 0x00, 0x20, 0x01, 0xe8, 0x00,
0x07, 0x00, 0x0c, 0x05, 0x0e, 0x05, 0x16, 0x18, 0x00, 0x10,
0xf0, 0x03, 0x0c, 0x20, 0x00, 0x06, 0x0b, 0x0b, 0x33, 0x0e,
0x1c, 0x2a, 0x38, 0x46, 0x54, 0x62, 0x69, 0x70, 0x77, 0x79,
0x7b, 0x7d, 0x7e, 0x01, 0x02, 0x01, 0x00, 0x09, 0x40, 0x09,
0xbe, 0x19, 0xfc, 0x19, 0xfa, 0x19, 0xf8, 0x1a, 0x38, 0x1a,
0x78, 0x1a, 0xb6, 0x2a, 0xf6, 0x2b, 0x34, 0x2b, 0x74, 0x3b,
0x74, 0x6b, 0xf4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00);
/* Turn on DSC */
tianma_dcs_write_seq_static(ctx, 0xB0, 0x00);
tianma_dcs_write_seq_static(ctx, 0xEB, 0x8B, 0x8B);
/* Flash QE setting */
tianma_dcs_write_seq_static(ctx, 0xDF, 0x50, 0x40);
tianma_dcs_write_seq_static(ctx, 0xF3, 0x50, 0x00, 0x00, 0x00, 0x00);
tianma_dcs_write_seq_static(ctx, 0xF2, 0x11);
usleep_range(10 * 1000, 15 * 1000);
tianma_dcs_write_seq_static(ctx, 0xF3, 0x01, 0x00, 0x00, 0x00, 0x01);
tianma_dcs_write_seq_static(ctx, 0xF4, 0x00, 0x02);
tianma_dcs_write_seq_static(ctx, 0xF2, 0x19);
usleep_range(20 * 1000, 25 * 1000);
tianma_dcs_write_seq_static(ctx, 0xDF, 0x50, 0x42);
tianma_dcs_write_seq_static(ctx, 0xB0, 0x84);
tianma_dcs_write_seq_static(ctx, 0xE6, 0x01);
tianma_dcs_write_seq_static(ctx, 0x11);
msleep(120);
tianma_dcs_write_seq_static(ctx, 0x29);
}
static int tianma_disable(struct drm_panel *panel)
{
struct tianma *ctx = panel_to_tianma(panel);
if (!ctx->enabled)
return 0;
if (ctx->backlight) {
ctx->backlight->props.power = FB_BLANK_POWERDOWN;
backlight_update_status(ctx->backlight);
}
ctx->enabled = false;
return 0;
}
static int tianma_unprepare(struct drm_panel *panel)
{
struct tianma *ctx = panel_to_tianma(panel);
if (!ctx->prepared)
return 0;
tianma_dcs_write_seq_static(ctx, MIPI_DCS_ENTER_SLEEP_MODE);
tianma_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_OFF);
msleep(200);
ctx->reset_gpio = devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_HIGH);
gpiod_set_value(ctx->reset_gpio, 0);
devm_gpiod_put(ctx->dev, ctx->reset_gpio);
ctx->error = 0;
ctx->prepared = false;
return 0;
}
static int tianma_prepare(struct drm_panel *panel)
{
struct tianma *ctx = panel_to_tianma(panel);
int ret;
pr_info("%s\n", __func__);
if (ctx->prepared)
return 0;
tianma_panel_init(ctx);
ret = ctx->error;
if (ret < 0)
tianma_unprepare(panel);
ctx->prepared = true;
#ifdef PANEL_SUPPORT_READBACK
tianma_panel_get_data(ctx);
#endif
return ret;
}
static int tianma_enable(struct drm_panel *panel)
{
struct tianma *ctx = panel_to_tianma(panel);
if (ctx->enabled)
return 0;
if (ctx->backlight) {
ctx->backlight->props.power = FB_BLANK_UNBLANK;
backlight_update_status(ctx->backlight);
}
ctx->enabled = true;
return 0;
}
static const struct drm_display_mode default_mode = {
.clock = 163530,
.hdisplay = 1080,
.hsync_start = 1080 + 40,
.hsync_end = 1080 + 40 + 10,
.htotal = 1080 + 40 + 10 + 20,
.vdisplay = 2340,
.vsync_start = 2340 + 20,
.vsync_end = 2340 + 20 + 2,
.vtotal = 2340 + 20 + 2 + 8,
.vrefresh = 60,
};
static const struct drm_display_mode performance_mode = {
.clock = 245295,
.hdisplay = 1080,
.hsync_start = 1080 + 40,
.hsync_end = 1080 + 40 + 10,
.htotal = 1080 + 40 + 10 + 20,
.vdisplay = 2340,
.vsync_start = 2340 + 20,
.vsync_end = 2340 + 20 + 2,
.vtotal = 2340 + 20 + 2 + 8,
.vrefresh = 90,
};
#if defined(CONFIG_MTK_PANEL_EXT)
static struct mtk_panel_params ext_params = {
.cust_esd_check = 0,
.esd_check_enable = 1,
.lcm_esd_check_table[0] = {
.cmd = 0x53, .count = 1, .para_list[0] = 0x00,
},
.lcm_color_mode = MTK_DRM_COLOR_MODE_DISPLAY_P3,
.physical_width_um = 70200,
.physical_height_um = 152100,
.output_mode = MTK_PANEL_DSC_SINGLE_PORT,
.dsc_params = {
.enable = 1,
.ver = 17,
.slice_mode = 1,
.rgb_swap = 0,
.dsc_cfg = 34,
.rct_on = 1,
.bit_per_channel = 8,
.dsc_line_buf_depth = 9,
.bp_enable = 1,
.bit_per_pixel = 128,
.pic_height = 2340,
.pic_width = 1080,
.slice_height = 20,
.slice_width = 540,
.chunk_size = 540,
.xmit_delay = 512,
.dec_delay = 526,
.scale_value = 32,
.increment_interval = 488,
.decrement_interval = 7,
.line_bpg_offset = 12,
.nfl_bpg_offset = 1294,
.slice_bpg_offset = 1302,
.initial_offset = 6144,
.final_offset = 4336,
.flatness_minqp = 3,
.flatness_maxqp = 12,
.rc_model_size = 8192,
.rc_edge_factor = 6,
.rc_quant_incr_limit0 = 11,
.rc_quant_incr_limit1 = 11,
.rc_tgt_offset_hi = 3,
.rc_tgt_offset_lo = 3,
},
.dyn_fps = {
.switch_en = 1,
.vact_timing_fps = 90,
},
.data_rate = 570,
};
static struct mtk_panel_params ext_params_90hz = {
.cust_esd_check = 0,
.esd_check_enable = 1,
.lcm_esd_check_table[0] = {
.cmd = 0x53, .count = 1, .para_list[0] = 0x24,
},
.lcm_color_mode = MTK_DRM_COLOR_MODE_DISPLAY_P3,
.physical_width_um = 70200,
.physical_height_um = 152100,
.output_mode = MTK_PANEL_DSC_SINGLE_PORT,
.dsc_params = {
.enable = 1,
.ver = 17,
.slice_mode = 1,
.rgb_swap = 0,
.dsc_cfg = 34,
.rct_on = 1,
.bit_per_channel = 8,
.dsc_line_buf_depth = 9,
.bp_enable = 1,
.bit_per_pixel = 128,
.pic_height = 2340,
.pic_width = 1080,
.slice_height = 20,
.slice_width = 540,
.chunk_size = 540,
.xmit_delay = 512,
.dec_delay = 526,
.scale_value = 32,
.increment_interval = 488,
.decrement_interval = 7,
.line_bpg_offset = 12,
.nfl_bpg_offset = 1294,
.slice_bpg_offset = 1302,
.initial_offset = 6144,
.final_offset = 4336,
.flatness_minqp = 3,
.flatness_maxqp = 12,
.rc_model_size = 8192,
.rc_edge_factor = 6,
.rc_quant_incr_limit0 = 11,
.rc_quant_incr_limit1 = 11,
.rc_tgt_offset_hi = 3,
.rc_tgt_offset_lo = 3,
},
.dyn_fps = {
.switch_en = 1,
.vact_timing_fps = 90,
},
.data_rate = 570,
};
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
ret = 1;
return ret;
}
static void mode_switch_60_to_90(struct drm_panel *panel,
enum MTK_PANEL_MODE_SWITCH_STAGE stage)
{
struct tianma *ctx = panel_to_tianma(panel);
if (stage == AFTER_DSI_POWERON) {
/* switch to 90hz */
tianma_dcs_write_seq_static(ctx, 0xB0, 0x04);
tianma_dcs_write_seq_static(ctx, 0xF1, 0x2A);
tianma_dcs_write_seq_static(ctx, 0xC1, 0x0C);
tianma_dcs_write_seq_static(ctx, 0xC2, 0x09, 0x24, 0x0E,
0x00, 0x00, 0x0E);
tianma_dcs_write_seq_static(ctx, 0xC1, 0x94, 0x42, 0x00,
0x16, 0x05);
tianma_dcs_write_seq_static(ctx, 0xCF, 0x64, 0x0B, 0x00,
0x5E, 0x00, 0xC3, 0x02, 0x4B, 0x0B, 0x77, 0x0B,
0x8B, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x03, 0x03, 0x03, 0x00, 0x9B, 0x00,
0xB9, 0x00, 0xB9, 0x00, 0xB9, 0x00, 0xB9, 0x00,
0xB9, 0x00, 0xB9, 0x03, 0x98, 0x03, 0x98, 0x03,
0x98, 0x03, 0x98, 0x03, 0x98, 0x00, 0x9B, 0x00,
0xB9, 0x00, 0xB9, 0x00, 0xB9, 0x00, 0xB9, 0x00,
0xB9, 0x00, 0xB9, 0x03, 0x98, 0x03, 0x98, 0x03,
0x98, 0x03, 0x98, 0x03, 0x98, 0x01, 0x42, 0x01,
0x42, 0x01, 0x42, 0x01, 0x42, 0x01, 0x42, 0x01,
0x42, 0x01, 0x42, 0x01, 0x42, 0x01, 0x42, 0x01,
0x42, 0x01, 0x42, 0x01, 0x42, 0x1C, 0x1C, 0x1C,
0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C,
0x1C, 0x00, 0x90, 0x01, 0x9A, 0x01, 0x9A, 0x03,
0x33, 0x03, 0x33, 0x09, 0xA4, 0x09, 0xA4, 0x09,
0xA4, 0x09, 0xA4, 0x09, 0xA4, 0x09, 0xA4, 0x0F,
0x88, 0x19);
tianma_dcs_write_seq_static(ctx, 0xC4, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x00, 0x00, 0x00, 0x37, 0x00, 0x01);
tianma_dcs_write_seq_static(ctx, 0xD7, 0x00, 0x69, 0x34,
0x00, 0xa0, 0x0a, 0x00, 0x00, 0x3c);
tianma_dcs_write_seq_static(ctx, 0xD8, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x00,
0x3c, 0x00, 0x3c, 0x00, 0x3c, 0x00, 0x3c, 0x05,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x11, 0x00, 0x34, 0x00, 0x00, 0x00, 0x18,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
tianma_dcs_write_seq_static(ctx, 0xDF, 0x50, 0x42, 0x58,
0x81, 0x2D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x6B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xE6, 0x0E, 0xFF, 0xD4, 0x0E, 0x00, 0x00,
0x00, 0x00, 0x00, 0x0F, 0x00, 0x53, 0x18, 0xE5,
0x0E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
tianma_dcs_write_seq_static(ctx, 0xB0, 0x04);
tianma_dcs_write_seq_static(ctx, 0xBB, 0x59, 0xC8, 0xC8,
0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0x4A,
0x48, 0x46, 0x44, 0x42, 0x40, 0x3E, 0x3C, 0x3A,
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0x04, 0x00, 0x02, 0x02, 0x00, 0x04,
0x69, 0x5A, 0x00, 0x0B, 0x76, 0x0F, 0xFF, 0x0F,
0xFF, 0x0F, 0xFF, 0x14, 0x81, 0xF4);
tianma_dcs_write_seq_static(ctx, 0xB0, 0x84);
tianma_dcs_write_seq_static(ctx, 0xE4, 0x33, 0xB4, 0x00,
0x00, 0x00, 0x58, 0x04, 0x04, 0x9A);
tianma_dcs_write_seq_static(ctx, 0xD4, 0x93, 0x93, 0x60,
0x1E, 0xE1, 0x02, 0x08, 0x00, 0x00, 0x02, 0x22,
0x02, 0xEC, 0x03, 0x83, 0x04, 0x00, 0x04, 0x00,
0x04, 0x00, 0x04, 0x00, 0x04, 0x00, 0x01, 0x00,
0x01, 0x00);
}
}
static void mode_switch_90_to_60(struct drm_panel *panel,
enum MTK_PANEL_MODE_SWITCH_STAGE stage)
{
struct tianma *ctx = panel_to_tianma(panel);
if (stage == AFTER_DSI_POWERON) {
/* switch to 60hz */
tianma_dcs_write_seq_static(ctx, 0xB0, 0x04);
tianma_dcs_write_seq_static(ctx, 0xF1, 0x2A);
tianma_dcs_write_seq_static(ctx, 0xC1, 0x0C);
tianma_dcs_write_seq_static(ctx, 0xC2, 0x09, 0x24, 0x0E,
0x00, 0x00, 0x0E);
tianma_dcs_write_seq_static(ctx, 0xC1, 0x94, 0x42, 0x00,
0x16, 0x05);
tianma_dcs_write_seq_static(ctx, 0xCF, 0x64, 0x0B, 0x00,
0x5E, 0x00, 0xC3, 0x02, 0x4B, 0x0B, 0x77, 0x0B,
0x8B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x01, 0x01, 0x00, 0x9B, 0x00,
0xB9, 0x00, 0xB9, 0x00, 0xB9, 0x00, 0xB9, 0x00,
0xB9, 0x00, 0xB9, 0x03, 0x98, 0x03, 0x98, 0x03,
0x98, 0x03, 0x98, 0x03, 0x98, 0x00, 0x9B, 0x00,
0xB9, 0x00, 0xB9, 0x00, 0xB9, 0x00, 0xB9, 0x00,
0xB9, 0x00, 0xB9, 0x03, 0x98, 0x03, 0x98, 0x03,
0x98, 0x03, 0x98, 0x03, 0x98, 0x01, 0x42, 0x01,
0x42, 0x01, 0x42, 0x01, 0x42, 0x01, 0x42, 0x01,
0x42, 0x01, 0x42, 0x01, 0x42, 0x01, 0x42, 0x01,
0x42, 0x01, 0x42, 0x01, 0x42, 0x1C, 0x1C, 0x1C,
0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C,
0x1C, 0x00, 0x90, 0x01, 0x9A, 0x01, 0x9A, 0x03,
0x33, 0x03, 0x33, 0x09, 0xA4, 0x09, 0xA4, 0x09,
0xA4, 0x09, 0xA4, 0x09, 0xA4, 0x09, 0xA4, 0x0F,
0x88, 0x19);
tianma_dcs_write_seq_static(ctx, 0xC4, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x00, 0x00, 0x00, 0x50, 0x00, 0x01);
tianma_dcs_write_seq_static(ctx, 0xD7, 0x00, 0x69, 0x34,
0x00, 0xa0, 0x0a, 0x00, 0x00, 0x5a);
tianma_dcs_write_seq_static(ctx, 0xD8, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5a, 0x00,
0x5a, 0x00, 0x5a, 0x00, 0x5a, 0x00, 0x5a, 0x05,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x0A, 0x50, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x1A, 0x00, 0x4E, 0x00, 0x00, 0x00, 0x24,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
tianma_dcs_write_seq_static(ctx, 0xDF, 0x50, 0x42, 0x58,
0x81, 0x2D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x6B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x10, 0x00, 0xFF, 0xD4, 0x0E, 0x00, 0x00,
0x00, 0x00, 0x00, 0x0F, 0x00, 0x53, 0x18, 0x0F,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
tianma_dcs_write_seq_static(ctx, 0xB0, 0x04);
tianma_dcs_write_seq_static(ctx, 0xBB, 0x59, 0xC8, 0xC8,
0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0xC8, 0x4A,
0x48, 0x46, 0x44, 0x42, 0x40, 0x3E, 0x3C, 0x3A,
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0x04, 0x00, 0x01, 0x01, 0x00, 0x04,
0x69, 0x5A, 0x00, 0x0B, 0x76, 0x0F, 0xFF, 0x0F,
0xFF, 0x0F, 0xFF, 0x14, 0x81, 0xF4);
tianma_dcs_write_seq_static(ctx, 0xB0, 0x84);
tianma_dcs_write_seq_static(ctx, 0xE4, 0x33, 0xB4, 0x00,
0x00, 0x00, 0x58, 0x04, 0x00, 0x00);
tianma_dcs_write_seq_static(ctx, 0xD4, 0x93, 0x93, 0x60,
0x1E, 0xE1, 0x02, 0x08, 0x00, 0x00, 0x02, 0x22,
0x02, 0xEC, 0x03, 0x83, 0x04, 0x00, 0x04, 0x00,
0x04, 0x00, 0x04, 0x00, 0x04, 0x00, 0x01, 0x00,
0x01, 0x00);
}
}
static int mode_switch(struct drm_panel *panel, unsigned int cur_mode,
unsigned int dst_mode, enum MTK_PANEL_MODE_SWITCH_STAGE stage)
{
int ret = 0;
if (cur_mode == 0 && dst_mode == 1) { /* 60 switch to 90 */
mode_switch_60_to_90(panel, stage);
} else if (cur_mode == 1 && dst_mode == 0) { /* 90 switch to 60 */
mode_switch_90_to_60(panel, stage);
} 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,
.ext_param_set = mtk_panel_ext_param_set,
.mode_switch = mode_switch,
.reset = panel_ext_reset,
};
#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 *mode2;
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);
mode2 = drm_mode_duplicate(panel->drm, &performance_mode);
if (!mode2) {
dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
performance_mode.hdisplay,
performance_mode.vdisplay,
performance_mode.vrefresh);
return -ENOMEM;
}
drm_mode_set_name(mode2);
mode2->type = DRM_MODE_TYPE_DRIVER;
drm_mode_probed_add(panel->connector, mode2);
panel->connector->display_info.width_mm = 70;
panel->connector->display_info.height_mm = 152;
return 1;
}
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_info("%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_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_info("%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,r66451,cmd,no-mipi-switch",
},
{} };
MODULE_DEVICE_TABLE(of, tianma_of_match);
static struct mipi_dsi_driver tianma_driver = {
.probe = tianma_probe,
.remove = tianma_remove,
.driver = {
.name = "panel-tianma-r66451-cmd-no-mipi-switch",
.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 r66451 CMD no mipi switch AMOLED Panel Driver");
MODULE_LICENSE("GPL v2");
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