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OpenCloudOS-Kernel/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2018 MediaTek Inc.
* Author: Jitao Shi <jitao.shi@mediatek.com>
*/
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/regulator/consumer.h>
#include <drm/drm_crtc.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_panel.h>
#include <video/mipi_display.h>
struct panel_desc {
const struct drm_display_mode *modes;
unsigned int bpc;
/**
* @width_mm: width of the panel's active display area
* @height_mm: height of the panel's active display area
*/
struct {
unsigned int width_mm;
unsigned int height_mm;
} size;
unsigned long mode_flags;
enum mipi_dsi_pixel_format format;
const struct panel_init_cmd *init_cmds;
unsigned int lanes;
};
struct boe_panel {
struct drm_panel base;
struct mipi_dsi_device *dsi;
const struct panel_desc *desc;
struct regulator *pp1800;
struct regulator *avee;
struct regulator *avdd;
struct gpio_desc *enable_gpio;
bool prepared;
};
enum dsi_cmd_type {
INIT_DCS_CMD,
DELAY_CMD,
};
struct panel_init_cmd {
enum dsi_cmd_type type;
size_t len;
const char *data;
};
#define _INIT_DCS_CMD(...) { \
.type = INIT_DCS_CMD, \
.len = sizeof((char[]){__VA_ARGS__}), \
.data = (char[]){__VA_ARGS__} }
#define _INIT_DELAY_CMD(...) { \
.type = DELAY_CMD,\
.len = sizeof((char[]){__VA_ARGS__}), \
.data = (char[]){__VA_ARGS__} }
static const struct panel_init_cmd boe_init_cmd[] = {
_INIT_DELAY_CMD(24),
_INIT_DCS_CMD(0xB0, 0x05),
_INIT_DCS_CMD(0xB1, 0xE5),
_INIT_DCS_CMD(0xB3, 0x52),
_INIT_DCS_CMD(0xB0, 0x00),
_INIT_DCS_CMD(0xB3, 0x88),
_INIT_DCS_CMD(0xB0, 0x04),
_INIT_DCS_CMD(0xB8, 0x00),
_INIT_DCS_CMD(0xB0, 0x00),
_INIT_DCS_CMD(0xB6, 0x03),
_INIT_DCS_CMD(0xBA, 0x8B),
_INIT_DCS_CMD(0xBF, 0x1A),
_INIT_DCS_CMD(0xC0, 0x0F),
_INIT_DCS_CMD(0xC2, 0x0C),
_INIT_DCS_CMD(0xC3, 0x02),
_INIT_DCS_CMD(0xC4, 0x0C),
_INIT_DCS_CMD(0xC5, 0x02),
_INIT_DCS_CMD(0xB0, 0x01),
_INIT_DCS_CMD(0xE0, 0x26),
_INIT_DCS_CMD(0xE1, 0x26),
_INIT_DCS_CMD(0xDC, 0x00),
_INIT_DCS_CMD(0xDD, 0x00),
_INIT_DCS_CMD(0xCC, 0x26),
_INIT_DCS_CMD(0xCD, 0x26),
_INIT_DCS_CMD(0xC8, 0x00),
_INIT_DCS_CMD(0xC9, 0x00),
_INIT_DCS_CMD(0xD2, 0x03),
_INIT_DCS_CMD(0xD3, 0x03),
_INIT_DCS_CMD(0xE6, 0x04),
_INIT_DCS_CMD(0xE7, 0x04),
_INIT_DCS_CMD(0xC4, 0x09),
_INIT_DCS_CMD(0xC5, 0x09),
_INIT_DCS_CMD(0xD8, 0x0A),
_INIT_DCS_CMD(0xD9, 0x0A),
_INIT_DCS_CMD(0xC2, 0x0B),
_INIT_DCS_CMD(0xC3, 0x0B),
_INIT_DCS_CMD(0xD6, 0x0C),
_INIT_DCS_CMD(0xD7, 0x0C),
_INIT_DCS_CMD(0xC0, 0x05),
_INIT_DCS_CMD(0xC1, 0x05),
_INIT_DCS_CMD(0xD4, 0x06),
_INIT_DCS_CMD(0xD5, 0x06),
_INIT_DCS_CMD(0xCA, 0x07),
_INIT_DCS_CMD(0xCB, 0x07),
_INIT_DCS_CMD(0xDE, 0x08),
_INIT_DCS_CMD(0xDF, 0x08),
_INIT_DCS_CMD(0xB0, 0x02),
_INIT_DCS_CMD(0xC0, 0x00),
_INIT_DCS_CMD(0xC1, 0x0D),
_INIT_DCS_CMD(0xC2, 0x17),
_INIT_DCS_CMD(0xC3, 0x26),
_INIT_DCS_CMD(0xC4, 0x31),
_INIT_DCS_CMD(0xC5, 0x1C),
_INIT_DCS_CMD(0xC6, 0x2C),
_INIT_DCS_CMD(0xC7, 0x33),
_INIT_DCS_CMD(0xC8, 0x31),
_INIT_DCS_CMD(0xC9, 0x37),
_INIT_DCS_CMD(0xCA, 0x37),
_INIT_DCS_CMD(0xCB, 0x37),
_INIT_DCS_CMD(0xCC, 0x39),
_INIT_DCS_CMD(0xCD, 0x2E),
_INIT_DCS_CMD(0xCE, 0x2F),
_INIT_DCS_CMD(0xCF, 0x2F),
_INIT_DCS_CMD(0xD0, 0x07),
_INIT_DCS_CMD(0xD2, 0x00),
_INIT_DCS_CMD(0xD3, 0x0D),
_INIT_DCS_CMD(0xD4, 0x17),
_INIT_DCS_CMD(0xD5, 0x26),
_INIT_DCS_CMD(0xD6, 0x31),
_INIT_DCS_CMD(0xD7, 0x3F),
_INIT_DCS_CMD(0xD8, 0x3F),
_INIT_DCS_CMD(0xD9, 0x3F),
_INIT_DCS_CMD(0xDA, 0x3F),
_INIT_DCS_CMD(0xDB, 0x37),
_INIT_DCS_CMD(0xDC, 0x37),
_INIT_DCS_CMD(0xDD, 0x37),
_INIT_DCS_CMD(0xDE, 0x39),
_INIT_DCS_CMD(0xDF, 0x2E),
_INIT_DCS_CMD(0xE0, 0x2F),
_INIT_DCS_CMD(0xE1, 0x2F),
_INIT_DCS_CMD(0xE2, 0x07),
_INIT_DCS_CMD(0xB0, 0x03),
_INIT_DCS_CMD(0xC8, 0x0B),
_INIT_DCS_CMD(0xC9, 0x07),
_INIT_DCS_CMD(0xC3, 0x00),
_INIT_DCS_CMD(0xE7, 0x00),
_INIT_DCS_CMD(0xC5, 0x2A),
_INIT_DCS_CMD(0xDE, 0x2A),
_INIT_DCS_CMD(0xCA, 0x43),
_INIT_DCS_CMD(0xC9, 0x07),
_INIT_DCS_CMD(0xE4, 0xC0),
_INIT_DCS_CMD(0xE5, 0x0D),
_INIT_DCS_CMD(0xCB, 0x00),
_INIT_DCS_CMD(0xB0, 0x06),
_INIT_DCS_CMD(0xB8, 0xA5),
_INIT_DCS_CMD(0xC0, 0xA5),
_INIT_DCS_CMD(0xC7, 0x0F),
_INIT_DCS_CMD(0xD5, 0x32),
_INIT_DCS_CMD(0xB8, 0x00),
_INIT_DCS_CMD(0xC0, 0x00),
_INIT_DCS_CMD(0xBC, 0x00),
_INIT_DCS_CMD(0xB0, 0x07),
_INIT_DCS_CMD(0xB1, 0x00),
_INIT_DCS_CMD(0xB2, 0x02),
_INIT_DCS_CMD(0xB3, 0x0F),
_INIT_DCS_CMD(0xB4, 0x25),
_INIT_DCS_CMD(0xB5, 0x39),
_INIT_DCS_CMD(0xB6, 0x4E),
_INIT_DCS_CMD(0xB7, 0x72),
_INIT_DCS_CMD(0xB8, 0x97),
_INIT_DCS_CMD(0xB9, 0xDC),
_INIT_DCS_CMD(0xBA, 0x22),
_INIT_DCS_CMD(0xBB, 0xA4),
_INIT_DCS_CMD(0xBC, 0x2B),
_INIT_DCS_CMD(0xBD, 0x2F),
_INIT_DCS_CMD(0xBE, 0xA9),
_INIT_DCS_CMD(0xBF, 0x25),
_INIT_DCS_CMD(0xC0, 0x61),
_INIT_DCS_CMD(0xC1, 0x97),
_INIT_DCS_CMD(0xC2, 0xB2),
_INIT_DCS_CMD(0xC3, 0xCD),
_INIT_DCS_CMD(0xC4, 0xD9),
_INIT_DCS_CMD(0xC5, 0xE7),
_INIT_DCS_CMD(0xC6, 0xF4),
_INIT_DCS_CMD(0xC7, 0xFA),
_INIT_DCS_CMD(0xC8, 0xFC),
_INIT_DCS_CMD(0xC9, 0x00),
_INIT_DCS_CMD(0xCA, 0x00),
_INIT_DCS_CMD(0xCB, 0x16),
_INIT_DCS_CMD(0xCC, 0xAF),
_INIT_DCS_CMD(0xCD, 0xFF),
_INIT_DCS_CMD(0xCE, 0xFF),
_INIT_DCS_CMD(0xB0, 0x08),
_INIT_DCS_CMD(0xB1, 0x04),
_INIT_DCS_CMD(0xB2, 0x05),
_INIT_DCS_CMD(0xB3, 0x11),
_INIT_DCS_CMD(0xB4, 0x24),
_INIT_DCS_CMD(0xB5, 0x39),
_INIT_DCS_CMD(0xB6, 0x4F),
_INIT_DCS_CMD(0xB7, 0x72),
_INIT_DCS_CMD(0xB8, 0x98),
_INIT_DCS_CMD(0xB9, 0xDC),
_INIT_DCS_CMD(0xBA, 0x23),
_INIT_DCS_CMD(0xBB, 0xA6),
_INIT_DCS_CMD(0xBC, 0x2C),
_INIT_DCS_CMD(0xBD, 0x30),
_INIT_DCS_CMD(0xBE, 0xAA),
_INIT_DCS_CMD(0xBF, 0x26),
_INIT_DCS_CMD(0xC0, 0x62),
_INIT_DCS_CMD(0xC1, 0x9B),
_INIT_DCS_CMD(0xC2, 0xB5),
_INIT_DCS_CMD(0xC3, 0xCF),
_INIT_DCS_CMD(0xC4, 0xDB),
_INIT_DCS_CMD(0xC5, 0xE8),
_INIT_DCS_CMD(0xC6, 0xF5),
_INIT_DCS_CMD(0xC7, 0xFA),
_INIT_DCS_CMD(0xC8, 0xFC),
_INIT_DCS_CMD(0xC9, 0x00),
_INIT_DCS_CMD(0xCA, 0x00),
_INIT_DCS_CMD(0xCB, 0x16),
_INIT_DCS_CMD(0xCC, 0xAF),
_INIT_DCS_CMD(0xCD, 0xFF),
_INIT_DCS_CMD(0xCE, 0xFF),
_INIT_DCS_CMD(0xB0, 0x09),
_INIT_DCS_CMD(0xB1, 0x04),
_INIT_DCS_CMD(0xB2, 0x02),
_INIT_DCS_CMD(0xB3, 0x16),
_INIT_DCS_CMD(0xB4, 0x24),
_INIT_DCS_CMD(0xB5, 0x3B),
_INIT_DCS_CMD(0xB6, 0x4F),
_INIT_DCS_CMD(0xB7, 0x73),
_INIT_DCS_CMD(0xB8, 0x99),
_INIT_DCS_CMD(0xB9, 0xE0),
_INIT_DCS_CMD(0xBA, 0x26),
_INIT_DCS_CMD(0xBB, 0xAD),
_INIT_DCS_CMD(0xBC, 0x36),
_INIT_DCS_CMD(0xBD, 0x3A),
_INIT_DCS_CMD(0xBE, 0xAE),
_INIT_DCS_CMD(0xBF, 0x2A),
_INIT_DCS_CMD(0xC0, 0x66),
_INIT_DCS_CMD(0xC1, 0x9E),
_INIT_DCS_CMD(0xC2, 0xB8),
_INIT_DCS_CMD(0xC3, 0xD1),
_INIT_DCS_CMD(0xC4, 0xDD),
_INIT_DCS_CMD(0xC5, 0xE9),
_INIT_DCS_CMD(0xC6, 0xF6),
_INIT_DCS_CMD(0xC7, 0xFA),
_INIT_DCS_CMD(0xC8, 0xFC),
_INIT_DCS_CMD(0xC9, 0x00),
_INIT_DCS_CMD(0xCA, 0x00),
_INIT_DCS_CMD(0xCB, 0x16),
_INIT_DCS_CMD(0xCC, 0xAF),
_INIT_DCS_CMD(0xCD, 0xFF),
_INIT_DCS_CMD(0xCE, 0xFF),
_INIT_DCS_CMD(0xB0, 0x0A),
_INIT_DCS_CMD(0xB1, 0x00),
_INIT_DCS_CMD(0xB2, 0x02),
_INIT_DCS_CMD(0xB3, 0x0F),
_INIT_DCS_CMD(0xB4, 0x25),
_INIT_DCS_CMD(0xB5, 0x39),
_INIT_DCS_CMD(0xB6, 0x4E),
_INIT_DCS_CMD(0xB7, 0x72),
_INIT_DCS_CMD(0xB8, 0x97),
_INIT_DCS_CMD(0xB9, 0xDC),
_INIT_DCS_CMD(0xBA, 0x22),
_INIT_DCS_CMD(0xBB, 0xA4),
_INIT_DCS_CMD(0xBC, 0x2B),
_INIT_DCS_CMD(0xBD, 0x2F),
_INIT_DCS_CMD(0xBE, 0xA9),
_INIT_DCS_CMD(0xBF, 0x25),
_INIT_DCS_CMD(0xC0, 0x61),
_INIT_DCS_CMD(0xC1, 0x97),
_INIT_DCS_CMD(0xC2, 0xB2),
_INIT_DCS_CMD(0xC3, 0xCD),
_INIT_DCS_CMD(0xC4, 0xD9),
_INIT_DCS_CMD(0xC5, 0xE7),
_INIT_DCS_CMD(0xC6, 0xF4),
_INIT_DCS_CMD(0xC7, 0xFA),
_INIT_DCS_CMD(0xC8, 0xFC),
_INIT_DCS_CMD(0xC9, 0x00),
_INIT_DCS_CMD(0xCA, 0x00),
_INIT_DCS_CMD(0xCB, 0x16),
_INIT_DCS_CMD(0xCC, 0xAF),
_INIT_DCS_CMD(0xCD, 0xFF),
_INIT_DCS_CMD(0xCE, 0xFF),
_INIT_DCS_CMD(0xB0, 0x0B),
_INIT_DCS_CMD(0xB1, 0x04),
_INIT_DCS_CMD(0xB2, 0x05),
_INIT_DCS_CMD(0xB3, 0x11),
_INIT_DCS_CMD(0xB4, 0x24),
_INIT_DCS_CMD(0xB5, 0x39),
_INIT_DCS_CMD(0xB6, 0x4F),
_INIT_DCS_CMD(0xB7, 0x72),
_INIT_DCS_CMD(0xB8, 0x98),
_INIT_DCS_CMD(0xB9, 0xDC),
_INIT_DCS_CMD(0xBA, 0x23),
_INIT_DCS_CMD(0xBB, 0xA6),
_INIT_DCS_CMD(0xBC, 0x2C),
_INIT_DCS_CMD(0xBD, 0x30),
_INIT_DCS_CMD(0xBE, 0xAA),
_INIT_DCS_CMD(0xBF, 0x26),
_INIT_DCS_CMD(0xC0, 0x62),
_INIT_DCS_CMD(0xC1, 0x9B),
_INIT_DCS_CMD(0xC2, 0xB5),
_INIT_DCS_CMD(0xC3, 0xCF),
_INIT_DCS_CMD(0xC4, 0xDB),
_INIT_DCS_CMD(0xC5, 0xE8),
_INIT_DCS_CMD(0xC6, 0xF5),
_INIT_DCS_CMD(0xC7, 0xFA),
_INIT_DCS_CMD(0xC8, 0xFC),
_INIT_DCS_CMD(0xC9, 0x00),
_INIT_DCS_CMD(0xCA, 0x00),
_INIT_DCS_CMD(0xCB, 0x16),
_INIT_DCS_CMD(0xCC, 0xAF),
_INIT_DCS_CMD(0xCD, 0xFF),
_INIT_DCS_CMD(0xCE, 0xFF),
_INIT_DCS_CMD(0xB0, 0x0C),
_INIT_DCS_CMD(0xB1, 0x04),
_INIT_DCS_CMD(0xB2, 0x02),
_INIT_DCS_CMD(0xB3, 0x16),
_INIT_DCS_CMD(0xB4, 0x24),
_INIT_DCS_CMD(0xB5, 0x3B),
_INIT_DCS_CMD(0xB6, 0x4F),
_INIT_DCS_CMD(0xB7, 0x73),
_INIT_DCS_CMD(0xB8, 0x99),
_INIT_DCS_CMD(0xB9, 0xE0),
_INIT_DCS_CMD(0xBA, 0x26),
_INIT_DCS_CMD(0xBB, 0xAD),
_INIT_DCS_CMD(0xBC, 0x36),
_INIT_DCS_CMD(0xBD, 0x3A),
_INIT_DCS_CMD(0xBE, 0xAE),
_INIT_DCS_CMD(0xBF, 0x2A),
_INIT_DCS_CMD(0xC0, 0x66),
_INIT_DCS_CMD(0xC1, 0x9E),
_INIT_DCS_CMD(0xC2, 0xB8),
_INIT_DCS_CMD(0xC3, 0xD1),
_INIT_DCS_CMD(0xC4, 0xDD),
_INIT_DCS_CMD(0xC5, 0xE9),
_INIT_DCS_CMD(0xC6, 0xF6),
_INIT_DCS_CMD(0xC7, 0xFA),
_INIT_DCS_CMD(0xC8, 0xFC),
_INIT_DCS_CMD(0xC9, 0x00),
_INIT_DCS_CMD(0xCA, 0x00),
_INIT_DCS_CMD(0xCB, 0x16),
_INIT_DCS_CMD(0xCC, 0xAF),
_INIT_DCS_CMD(0xCD, 0xFF),
_INIT_DCS_CMD(0xCE, 0xFF),
_INIT_DCS_CMD(0xB0, 0x00),
_INIT_DCS_CMD(0xB3, 0x08),
_INIT_DCS_CMD(0xB0, 0x04),
_INIT_DCS_CMD(0xB8, 0x68),
_INIT_DELAY_CMD(150),
{},
};
static inline struct boe_panel *to_boe_panel(struct drm_panel *panel)
{
return container_of(panel, struct boe_panel, base);
}
static int boe_panel_init_dcs_cmd(struct boe_panel *boe)
{
struct mipi_dsi_device *dsi = boe->dsi;
struct drm_panel *panel = &boe->base;
int i, err = 0;
if (boe->desc->init_cmds) {
const struct panel_init_cmd *init_cmds = boe->desc->init_cmds;
for (i = 0; init_cmds[i].len != 0; i++) {
const struct panel_init_cmd *cmd = &init_cmds[i];
switch (cmd->type) {
case DELAY_CMD:
msleep(cmd->data[0]);
err = 0;
break;
case INIT_DCS_CMD:
err = mipi_dsi_dcs_write(dsi, cmd->data[0],
cmd->len <= 1 ? NULL :
&cmd->data[1],
cmd->len - 1);
break;
default:
err = -EINVAL;
}
if (err < 0) {
dev_err(panel->dev,
"failed to write command %u\n", i);
return err;
}
}
}
return 0;
}
static int boe_panel_enter_sleep_mode(struct boe_panel *boe)
{
struct mipi_dsi_device *dsi = boe->dsi;
int ret;
dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
ret = mipi_dsi_dcs_set_display_off(dsi);
if (ret < 0)
return ret;
ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
if (ret < 0)
return ret;
return 0;
}
static int boe_panel_unprepare(struct drm_panel *panel)
{
struct boe_panel *boe = to_boe_panel(panel);
int ret;
if (!boe->prepared)
return 0;
ret = boe_panel_enter_sleep_mode(boe);
if (ret < 0) {
dev_err(panel->dev, "failed to set panel off: %d\n", ret);
return ret;
}
msleep(150);
gpiod_set_value(boe->enable_gpio, 0);
usleep_range(500, 1000);
regulator_disable(boe->avee);
regulator_disable(boe->avdd);
usleep_range(5000, 7000);
regulator_disable(boe->pp1800);
boe->prepared = false;
return 0;
}
static int boe_panel_prepare(struct drm_panel *panel)
{
struct boe_panel *boe = to_boe_panel(panel);
int ret;
if (boe->prepared)
return 0;
gpiod_set_value(boe->enable_gpio, 0);
usleep_range(1000, 1500);
ret = regulator_enable(boe->pp1800);
if (ret < 0)
return ret;
usleep_range(3000, 5000);
ret = regulator_enable(boe->avdd);
if (ret < 0)
goto poweroff1v8;
ret = regulator_enable(boe->avee);
if (ret < 0)
goto poweroffavdd;
usleep_range(5000, 10000);
gpiod_set_value(boe->enable_gpio, 1);
usleep_range(1000, 2000);
gpiod_set_value(boe->enable_gpio, 0);
usleep_range(1000, 2000);
gpiod_set_value(boe->enable_gpio, 1);
usleep_range(6000, 10000);
ret = boe_panel_init_dcs_cmd(boe);
if (ret < 0) {
dev_err(panel->dev, "failed to init panel: %d\n", ret);
goto poweroff;
}
boe->prepared = true;
return 0;
poweroff:
regulator_disable(boe->avee);
poweroffavdd:
regulator_disable(boe->avdd);
poweroff1v8:
usleep_range(5000, 7000);
regulator_disable(boe->pp1800);
gpiod_set_value(boe->enable_gpio, 0);
return ret;
}
static int boe_panel_enable(struct drm_panel *panel)
{
msleep(130);
return 0;
}
static const struct drm_display_mode boe_tv101wum_nl6_default_mode = {
.clock = 159425,
.hdisplay = 1200,
.hsync_start = 1200 + 100,
.hsync_end = 1200 + 100 + 40,
.htotal = 1200 + 100 + 40 + 24,
.vdisplay = 1920,
.vsync_start = 1920 + 10,
.vsync_end = 1920 + 10 + 14,
.vtotal = 1920 + 10 + 14 + 4,
.vrefresh = 60,
};
static const struct panel_desc boe_tv101wum_nl6_desc = {
.modes = &boe_tv101wum_nl6_default_mode,
.bpc = 8,
.size = {
.width_mm = 135,
.height_mm = 216,
},
.lanes = 4,
.format = MIPI_DSI_FMT_RGB888,
.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
MIPI_DSI_MODE_LPM,
.init_cmds = boe_init_cmd,
};
static int boe_panel_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
struct boe_panel *boe = to_boe_panel(panel);
const struct drm_display_mode *m = boe->desc->modes;
struct drm_display_mode *mode;
mode = drm_mode_duplicate(connector->dev, m);
if (!mode) {
dev_err(panel->dev, "failed to add mode %ux%u@%u\n",
m->hdisplay, m->vdisplay, m->vrefresh);
return -ENOMEM;
}
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
drm_mode_set_name(mode);
drm_mode_probed_add(connector, mode);
connector->display_info.width_mm = boe->desc->size.width_mm;
connector->display_info.height_mm = boe->desc->size.height_mm;
connector->display_info.bpc = boe->desc->bpc;
return 1;
}
static const struct drm_panel_funcs boe_panel_funcs = {
.unprepare = boe_panel_unprepare,
.prepare = boe_panel_prepare,
.enable = boe_panel_enable,
.get_modes = boe_panel_get_modes,
};
static int boe_panel_add(struct boe_panel *boe)
{
struct device *dev = &boe->dsi->dev;
int err;
boe->avdd = devm_regulator_get(dev, "avdd");
if (IS_ERR(boe->avdd))
return PTR_ERR(boe->avdd);
boe->avee = devm_regulator_get(dev, "avee");
if (IS_ERR(boe->avee))
return PTR_ERR(boe->avee);
boe->pp1800 = devm_regulator_get(dev, "pp1800");
if (IS_ERR(boe->pp1800))
return PTR_ERR(boe->pp1800);
boe->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
if (IS_ERR(boe->enable_gpio)) {
dev_err(dev, "cannot get reset-gpios %ld\n",
PTR_ERR(boe->enable_gpio));
return PTR_ERR(boe->enable_gpio);
}
gpiod_set_value(boe->enable_gpio, 0);
drm_panel_init(&boe->base, dev, &boe_panel_funcs,
DRM_MODE_CONNECTOR_DSI);
err = drm_panel_of_backlight(&boe->base);
if (err)
return err;
boe->base.funcs = &boe_panel_funcs;
boe->base.dev = &boe->dsi->dev;
return drm_panel_add(&boe->base);
}
static int boe_panel_probe(struct mipi_dsi_device *dsi)
{
struct boe_panel *boe;
int ret;
const struct panel_desc *desc;
boe = devm_kzalloc(&dsi->dev, sizeof(*boe), GFP_KERNEL);
if (!boe)
return -ENOMEM;
desc = of_device_get_match_data(&dsi->dev);
dsi->lanes = desc->lanes;
dsi->format = desc->format;
dsi->mode_flags = desc->mode_flags;
boe->desc = desc;
boe->dsi = dsi;
ret = boe_panel_add(boe);
if (ret < 0)
return ret;
mipi_dsi_set_drvdata(dsi, boe);
ret = mipi_dsi_attach(dsi);
if (ret)
drm_panel_remove(&boe->base);
return ret;
}
static void boe_panel_shutdown(struct mipi_dsi_device *dsi)
{
struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
drm_panel_disable(&boe->base);
drm_panel_unprepare(&boe->base);
}
static int boe_panel_remove(struct mipi_dsi_device *dsi)
{
struct boe_panel *boe = mipi_dsi_get_drvdata(dsi);
int ret;
boe_panel_shutdown(dsi);
ret = mipi_dsi_detach(dsi);
if (ret < 0)
dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
if (boe->base.dev)
drm_panel_remove(&boe->base);
return 0;
}
static const struct of_device_id boe_of_match[] = {
{ .compatible = "boe,tv101wum-nl6",
.data = &boe_tv101wum_nl6_desc
},
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, boe_of_match);
static struct mipi_dsi_driver boe_panel_driver = {
.driver = {
.name = "panel-boe-tv101wum-nl6",
.of_match_table = boe_of_match,
},
.probe = boe_panel_probe,
.remove = boe_panel_remove,
.shutdown = boe_panel_shutdown,
};
module_mipi_dsi_driver(boe_panel_driver);
MODULE_AUTHOR("Jitao Shi <jitao.shi@mediatek.com>");
MODULE_DESCRIPTION("BOE tv101wum-nl6 1200x1920 video mode panel driver");
MODULE_LICENSE("GPL v2");
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