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drm/panel: Add BOE BF060Y8M-AJ0 5.99" AMOLED panel driver

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This adds support for the BOE BF060Y8M-AJ0 5.99" AMOLED module
that can be found in some F(x)Tec Pro1 and Elephone U1 devices.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210901173115.998628-1-angelogioacchino.delregno@somainline.org
This commit is contained in:
AngeloGioacchino Del Regno 2021-09-01 19:31:14 +02:00 committed by Sam Ravnborg
parent 8bf632fe19
commit a19125a281
3 changed files with 457 additions and 0 deletions
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11
drivers/gpu/drm/panel/Kconfig
View File

@ -37,6 +37,17 @@ config DRM_PANEL_ASUS_Z00T_TM5P5_NT35596
NT35596 1080x1920 video mode panel as found in some Asus
Zenfone 2 Laser Z00T devices.
config DRM_PANEL_BOE_BF060Y8M_AJ0
tristate "Boe BF060Y8M-AJ0 panel"
depends on OF
depends on DRM_MIPI_DSI
depends on BACKLIGHT_CLASS_DEVICE
help
Say Y here if you want to enable support for Boe BF060Y8M-AJ0
5.99" AMOLED modules. The panel has a 1080x2160 resolution and
uses 24 bit RGB per pixel. It provides a MIPI DSI interface to
the host and backlight is controlled through DSI commands.
config DRM_PANEL_BOE_HIMAX8279D
tristate "Boe Himax8279d panel"
depends on OF

1
drivers/gpu/drm/panel/Makefile
View File

@ -2,6 +2,7 @@
obj-$(CONFIG_DRM_PANEL_ABT_Y030XX067A) += panel-abt-y030xx067a.o
obj-$(CONFIG_DRM_PANEL_ARM_VERSATILE) += panel-arm-versatile.o
obj-$(CONFIG_DRM_PANEL_ASUS_Z00T_TM5P5_NT35596) += panel-asus-z00t-tm5p5-n35596.o
obj-$(CONFIG_DRM_PANEL_BOE_BF060Y8M_AJ0) += panel-boe-bf060y8m-aj0.o
obj-$(CONFIG_DRM_PANEL_BOE_HIMAX8279D) += panel-boe-himax8279d.o
obj-$(CONFIG_DRM_PANEL_BOE_TV101WUM_NL6) += panel-boe-tv101wum-nl6.o
obj-$(CONFIG_DRM_PANEL_DSI_CM) += panel-dsi-cm.o

445
drivers/gpu/drm/panel/panel-boe-bf060y8m-aj0.c Normal file
View File

@ -0,0 +1,445 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* BOE BF060Y8M-AJ0 5.99" MIPI-DSI OLED Panel on SW43404 DriverIC
*
* Copyright (c) 2020 AngeloGioacchino Del Regno
* <angelogioacchino.delregno@somainline.org>
*/
#include <linux/backlight.h>
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/regulator/consumer.h>
#include <video/mipi_display.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_modes.h>
#include <drm/drm_panel.h>
#define DCS_ALLOW_HBM_RANGE 0x0c
#define DCS_DISALLOW_HBM_RANGE 0x08
enum boe_bf060y8m_aj0_supplies {
BF060Y8M_VREG_VCC,
BF060Y8M_VREG_VDDIO,
BF060Y8M_VREG_VCI,
BF060Y8M_VREG_EL_VDD,
BF060Y8M_VREG_EL_VSS,
BF060Y8M_VREG_MAX
};
struct boe_bf060y8m_aj0 {
struct drm_panel panel;
struct mipi_dsi_device *dsi;
struct regulator_bulk_data vregs[BF060Y8M_VREG_MAX];
struct gpio_desc *reset_gpio;
bool prepared;
};
static inline
struct boe_bf060y8m_aj0 *to_boe_bf060y8m_aj0(struct drm_panel *panel)
{
return container_of(panel, struct boe_bf060y8m_aj0, panel);
}
#define dsi_dcs_write_seq(dsi, seq...) do { \
static const u8 d[] = { seq }; \
int ret; \
ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \
if (ret < 0) \
return ret; \
} while (0)
static void boe_bf060y8m_aj0_reset(struct boe_bf060y8m_aj0 *boe)
{
gpiod_set_value_cansleep(boe->reset_gpio, 0);
usleep_range(2000, 3000);
gpiod_set_value_cansleep(boe->reset_gpio, 1);
usleep_range(15000, 16000);
gpiod_set_value_cansleep(boe->reset_gpio, 0);
usleep_range(5000, 6000);
}
static int boe_bf060y8m_aj0_on(struct boe_bf060y8m_aj0 *boe)
{
struct mipi_dsi_device *dsi = boe->dsi;
struct device *dev = &dsi->dev;
int ret;
dsi_dcs_write_seq(dsi, 0xb0, 0xa5, 0x00);
dsi_dcs_write_seq(dsi, 0xb2, 0x00, 0x4c);
dsi_dcs_write_seq(dsi, MIPI_DCS_SET_3D_CONTROL, 0x10);
dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_POWER_SAVE, DCS_ALLOW_HBM_RANGE);
dsi_dcs_write_seq(dsi, 0xf8,
0x00, 0x08, 0x10, 0x00, 0x22, 0x00, 0x00, 0x2d);
ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
if (ret < 0) {
dev_err(dev, "Failed to exit sleep mode: %d\n", ret);
return ret;
}
msleep(30);
dsi_dcs_write_seq(dsi, 0xb0, 0xa5, 0x00);
dsi_dcs_write_seq(dsi, 0xc0,
0x08, 0x48, 0x65, 0x33, 0x33, 0x33,
0x2a, 0x31, 0x39, 0x20, 0x09);
dsi_dcs_write_seq(dsi, 0xc1, 0x00, 0x00, 0x00, 0x1f, 0x1f,
0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f,
0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
dsi_dcs_write_seq(dsi, 0xe2, 0x20, 0x04, 0x10, 0x12, 0x92,
0x4f, 0x8f, 0x44, 0x84, 0x83, 0x83, 0x83,
0x5c, 0x5c, 0x5c);
dsi_dcs_write_seq(dsi, 0xde, 0x01, 0x2c, 0x00, 0x77, 0x3e);
msleep(30);
ret = mipi_dsi_dcs_set_display_on(dsi);
if (ret < 0) {
dev_err(dev, "Failed to set display on: %d\n", ret);
return ret;
}
msleep(50);
return 0;
}
static int boe_bf060y8m_aj0_off(struct boe_bf060y8m_aj0 *boe)
{
struct mipi_dsi_device *dsi = boe->dsi;
struct device *dev = &dsi->dev;
int ret;
/* OFF commands sent in HS mode */
dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
ret = mipi_dsi_dcs_set_display_off(dsi);
if (ret < 0) {
dev_err(dev, "Failed to set display off: %d\n", ret);
return ret;
}
msleep(20);
ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
if (ret < 0) {
dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
return ret;
}
usleep_range(1000, 2000);
dsi->mode_flags |= MIPI_DSI_MODE_LPM;
return 0;
}
static int boe_bf060y8m_aj0_prepare(struct drm_panel *panel)
{
struct boe_bf060y8m_aj0 *boe = to_boe_bf060y8m_aj0(panel);
struct device *dev = &boe->dsi->dev;
int ret;
if (boe->prepared)
return 0;
/*
* Enable EL Driving Voltage first - doing that at the beginning
* or at the end of the power sequence doesn't matter, so enable
* it here to avoid yet another usleep at the end.
*/
ret = regulator_enable(boe->vregs[BF060Y8M_VREG_EL_VDD].consumer);
if (ret)
return ret;
ret = regulator_enable(boe->vregs[BF060Y8M_VREG_EL_VSS].consumer);
if (ret)
goto err_elvss;
ret = regulator_enable(boe->vregs[BF060Y8M_VREG_VCC].consumer);
if (ret)
goto err_vcc;
usleep_range(1000, 2000);
ret = regulator_enable(boe->vregs[BF060Y8M_VREG_VDDIO].consumer);
if (ret)
goto err_vddio;
usleep_range(500, 1000);
ret = regulator_enable(boe->vregs[BF060Y8M_VREG_VCI].consumer);
if (ret)
goto err_vci;
usleep_range(2000, 3000);
boe_bf060y8m_aj0_reset(boe);
ret = boe_bf060y8m_aj0_on(boe);
if (ret < 0) {
dev_err(dev, "Failed to initialize panel: %d\n", ret);
gpiod_set_value_cansleep(boe->reset_gpio, 1);
return ret;
}
boe->prepared = true;
return 0;
err_vci:
regulator_disable(boe->vregs[BF060Y8M_VREG_VDDIO].consumer);
err_vddio:
regulator_disable(boe->vregs[BF060Y8M_VREG_VCC].consumer);
err_vcc:
regulator_disable(boe->vregs[BF060Y8M_VREG_EL_VSS].consumer);
err_elvss:
regulator_disable(boe->vregs[BF060Y8M_VREG_EL_VDD].consumer);
return ret;
}
static int boe_bf060y8m_aj0_unprepare(struct drm_panel *panel)
{
struct boe_bf060y8m_aj0 *boe = to_boe_bf060y8m_aj0(panel);
struct device *dev = &boe->dsi->dev;
int ret;
if (!boe->prepared)
return 0;
ret = boe_bf060y8m_aj0_off(boe);
if (ret < 0)
dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
gpiod_set_value_cansleep(boe->reset_gpio, 1);
ret = regulator_bulk_disable(ARRAY_SIZE(boe->vregs), boe->vregs);
boe->prepared = false;
return 0;
}
static const struct drm_display_mode boe_bf060y8m_aj0_mode = {
.clock = 165268,
.hdisplay = 1080,
.hsync_start = 1080 + 36,
.hsync_end = 1080 + 36 + 24,
.htotal = 1080 + 36 + 24 + 96,
.vdisplay = 2160,
.vsync_start = 2160 + 16,
.vsync_end = 2160 + 16 + 1,
.vtotal = 2160 + 16 + 1 + 15,
.width_mm = 68, /* 68.04 mm */
.height_mm = 136, /* 136.08 mm */
};
static int boe_bf060y8m_aj0_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
struct drm_display_mode *mode;
mode = drm_mode_duplicate(connector->dev, &boe_bf060y8m_aj0_mode);
if (!mode)
return -ENOMEM;
drm_mode_set_name(mode);
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
connector->display_info.width_mm = mode->width_mm;
connector->display_info.height_mm = mode->height_mm;
drm_mode_probed_add(connector, mode);
return 1;
}
static const struct drm_panel_funcs boe_bf060y8m_aj0_panel_funcs = {
.prepare = boe_bf060y8m_aj0_prepare,
.unprepare = boe_bf060y8m_aj0_unprepare,
.get_modes = boe_bf060y8m_aj0_get_modes,
};
static int boe_bf060y8m_aj0_bl_update_status(struct backlight_device *bl)
{
struct mipi_dsi_device *dsi = bl_get_data(bl);
u16 brightness = backlight_get_brightness(bl);
int ret;
ret = mipi_dsi_dcs_set_display_brightness(dsi, brightness);
if (ret < 0)
return ret;
return 0;
}
static int boe_bf060y8m_aj0_bl_get_brightness(struct backlight_device *bl)
{
struct mipi_dsi_device *dsi = bl_get_data(bl);
u16 brightness;
int ret;
ret = mipi_dsi_dcs_get_display_brightness(dsi, &brightness);
if (ret < 0)
return ret;
return brightness & 0xff;
}
static const struct backlight_ops boe_bf060y8m_aj0_bl_ops = {
.update_status = boe_bf060y8m_aj0_bl_update_status,
.get_brightness = boe_bf060y8m_aj0_bl_get_brightness,
};
static struct backlight_device *
boe_bf060y8m_aj0_create_backlight(struct mipi_dsi_device *dsi)
{
struct device *dev = &dsi->dev;
const struct backlight_properties props = {
.type = BACKLIGHT_RAW,
.brightness = 127,
.max_brightness = 255,
.scale = BACKLIGHT_SCALE_NON_LINEAR,
};
return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,
&boe_bf060y8m_aj0_bl_ops, &props);
}
static int boe_bf060y8m_aj0_init_vregs(struct boe_bf060y8m_aj0 *boe,
struct device *dev)
{
struct regulator *vreg;
int ret;
boe->vregs[BF060Y8M_VREG_VCC].supply = "vcc";
boe->vregs[BF060Y8M_VREG_VDDIO].supply = "vddio";
boe->vregs[BF060Y8M_VREG_VCI].supply = "vci";
boe->vregs[BF060Y8M_VREG_EL_VDD].supply = "elvdd";
boe->vregs[BF060Y8M_VREG_EL_VSS].supply = "elvss";
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(boe->vregs),
boe->vregs);
if (ret < 0) {
dev_err(dev, "Failed to get regulators: %d\n", ret);
return ret;
}
vreg = boe->vregs[BF060Y8M_VREG_VCC].consumer;
ret = regulator_is_supported_voltage(vreg, 2700000, 3600000);
if (!ret)
return ret;
vreg = boe->vregs[BF060Y8M_VREG_VDDIO].consumer;
ret = regulator_is_supported_voltage(vreg, 1620000, 1980000);
if (!ret)
return ret;
vreg = boe->vregs[BF060Y8M_VREG_VCI].consumer;
ret = regulator_is_supported_voltage(vreg, 2600000, 3600000);
if (!ret)
return ret;
vreg = boe->vregs[BF060Y8M_VREG_EL_VDD].consumer;
ret = regulator_is_supported_voltage(vreg, 4400000, 4800000);
if (!ret)
return ret;
/* ELVSS is negative: -5.00V to -1.40V */
vreg = boe->vregs[BF060Y8M_VREG_EL_VSS].consumer;
ret = regulator_is_supported_voltage(vreg, 1400000, 5000000);
if (!ret)
return ret;
/*
* Set min/max rated current, known only for VCI and VDDIO and,
* in case of failure, just go on gracefully, as this step is not
* guaranteed to succeed on all regulator HW but do a debug print
* to inform the developer during debugging.
* In any case, these two supplies are also optional, so they may
* be fixed-regulator which, at the time of writing, does not
* support fake current limiting.
*/
vreg = boe->vregs[BF060Y8M_VREG_VDDIO].consumer;
ret = regulator_set_current_limit(vreg, 1500, 2500);
if (ret)
dev_dbg(dev, "Current limit cannot be set on %s: %d\n",
boe->vregs[1].supply, ret);
vreg = boe->vregs[BF060Y8M_VREG_VCI].consumer;
ret = regulator_set_current_limit(vreg, 20000, 40000);
if (ret)
dev_dbg(dev, "Current limit cannot be set on %s: %d\n",
boe->vregs[2].supply, ret);
return 0;
}
static int boe_bf060y8m_aj0_probe(struct mipi_dsi_device *dsi)
{
struct device *dev = &dsi->dev;
struct boe_bf060y8m_aj0 *boe;
int ret;
boe = devm_kzalloc(dev, sizeof(*boe), GFP_KERNEL);
if (!boe)
return -ENOMEM;
ret = boe_bf060y8m_aj0_init_vregs(boe, dev);
if (ret)
return dev_err_probe(dev, ret,
"Failed to initialize supplies.\n");
boe->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_ASIS);
if (IS_ERR(boe->reset_gpio))
return dev_err_probe(dev, PTR_ERR(boe->reset_gpio),
"Failed to get reset-gpios\n");
boe->dsi = dsi;
mipi_dsi_set_drvdata(dsi, boe);
dsi->lanes = 4;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_NO_EOT_PACKET |
MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
MIPI_DSI_CLOCK_NON_CONTINUOUS |
MIPI_DSI_MODE_LPM;
drm_panel_init(&boe->panel, dev, &boe_bf060y8m_aj0_panel_funcs,
DRM_MODE_CONNECTOR_DSI);
boe->panel.backlight = boe_bf060y8m_aj0_create_backlight(dsi);
if (IS_ERR(boe->panel.backlight))
return dev_err_probe(dev, PTR_ERR(boe->panel.backlight),
"Failed to create backlight\n");
drm_panel_add(&boe->panel);
ret = mipi_dsi_attach(dsi);
if (ret < 0) {
dev_err(dev, "Failed to attach to DSI host: %d\n", ret);
return ret;
}
return 0;
}
static int boe_bf060y8m_aj0_remove(struct mipi_dsi_device *dsi)
{
struct boe_bf060y8m_aj0 *boe = mipi_dsi_get_drvdata(dsi);
int ret;
ret = mipi_dsi_detach(dsi);
if (ret < 0)
dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
drm_panel_remove(&boe->panel);
return 0;
}
static const struct of_device_id boe_bf060y8m_aj0_of_match[] = {
{ .compatible = "boe,bf060y8m-aj0" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, boe_bf060y8m_aj0_of_match);
static struct mipi_dsi_driver boe_bf060y8m_aj0_driver = {
.probe = boe_bf060y8m_aj0_probe,
.remove = boe_bf060y8m_aj0_remove,
.driver = {
.name = "panel-sw43404-boe-fhd-amoled",
.of_match_table = boe_bf060y8m_aj0_of_match,
},
};
module_mipi_dsi_driver(boe_bf060y8m_aj0_driver);
MODULE_AUTHOR("AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>");
MODULE_DESCRIPTION("BOE BF060Y8M-AJ0 MIPI-DSI OLED panel");
MODULE_LICENSE("GPL v2");