// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2022 Konrad Dybcio <[email protected]>
*
* Generated with linux-mdss-dsi-panel-driver-generator with a
* substantial amount of manual adjustments.
*
* SONY Downstream kernel calls this one:
* - "JDI ID3" for Akari (XZ2)
* - "JDI ID4" for Apollo (XZ2 Compact)
*/
#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>
enum {
TYPE_TAMA_60HZ,
/*
* Leaving room for expansion - SONY very often uses
* *truly reliably* overclockable panels on their flagships!
*/
};
struct sony_td4353_jdi {
struct drm_panel panel;
struct mipi_dsi_device *dsi;
struct regulator_bulk_data supplies[3];
struct gpio_desc *panel_reset_gpio;
struct gpio_desc *touch_reset_gpio;
int type;
};
static inline struct sony_td4353_jdi *to_sony_td4353_jdi(struct drm_panel *panel)
{
return container_of(panel, struct sony_td4353_jdi, panel);
}
static int sony_td4353_jdi_on(struct sony_td4353_jdi *ctx)
{
struct mipi_dsi_device *dsi = ctx->dsi;
struct device *dev = &dsi->dev;
int ret;
dsi->mode_flags |= MIPI_DSI_MODE_LPM;
ret = mipi_dsi_dcs_set_column_address(dsi, 0x0000, 1080 - 1);
if (ret < 0) {
dev_err(dev, "Failed to set column address: %d\n", ret);
return ret;
}
ret = mipi_dsi_dcs_set_page_address(dsi, 0x0000, 2160 - 1);
if (ret < 0) {
dev_err(dev, "Failed to set page address: %d\n", ret);
return ret;
}
ret = mipi_dsi_dcs_set_tear_scanline(dsi, 0);
if (ret < 0) {
dev_err(dev, "Failed to set tear scanline: %d\n", ret);
return ret;
}
ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
if (ret < 0) {
dev_err(dev, "Failed to set tear on: %d\n", ret);
return ret;
}
mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x77);
if (ret < 0) {
dev_err(dev, "Failed to set pixel format: %d\n", ret);
return ret;
}
mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_PARTIAL_ROWS,
0x00, 0x00, 0x08, 0x6f);
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(70);
mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_MEMORY_START);
ret = mipi_dsi_dcs_set_display_on(dsi);
if (ret < 0) {
dev_err(dev, "Failed to turn display on: %d\n", ret);
return ret;
}
return 0;
}
static int sony_td4353_jdi_off(struct sony_td4353_jdi *ctx)
{
struct mipi_dsi_device *dsi = ctx->dsi;
struct device *dev = &dsi->dev;
int ret;
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(22);
ret = mipi_dsi_dcs_set_tear_off(dsi);
if (ret < 0) {
dev_err(dev, "Failed to set tear off: %d\n", ret);
return ret;
}
ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
if (ret < 0) {
dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
return ret;
}
msleep(80);
return 0;
}
static void sony_td4353_assert_reset_gpios(struct sony_td4353_jdi *ctx, int mode)
{
gpiod_set_value_cansleep(ctx->touch_reset_gpio, mode);
gpiod_set_value_cansleep(ctx->panel_reset_gpio, mode);
usleep_range(5000, 5100);
}
static int sony_td4353_jdi_prepare(struct drm_panel *panel)
{
struct sony_td4353_jdi *ctx = to_sony_td4353_jdi(panel);
struct device *dev = &ctx->dsi->dev;
int ret;
ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
if (ret < 0) {
dev_err(dev, "Failed to enable regulators: %d\n", ret);
return ret;
}
msleep(100);
sony_td4353_assert_reset_gpios(ctx, 1);
ret = sony_td4353_jdi_on(ctx);
if (ret < 0) {
dev_err(dev, "Failed to power on panel: %d\n", ret);
sony_td4353_assert_reset_gpios(ctx, 0);
regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
return ret;
}
return 0;
}
static int sony_td4353_jdi_unprepare(struct drm_panel *panel)
{
struct sony_td4353_jdi *ctx = to_sony_td4353_jdi(panel);
struct device *dev = &ctx->dsi->dev;
int ret;
ret = sony_td4353_jdi_off(ctx);
if (ret < 0)
dev_err(dev, "Failed to power off panel: %d\n", ret);
sony_td4353_assert_reset_gpios(ctx, 0);
regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
return 0;
}
static const struct drm_display_mode sony_td4353_jdi_mode_tama_60hz = {
.clock = (1080 + 4 + 8 + 8) * (2160 + 259 + 8 + 8) * 60 / 1000,
.hdisplay = 1080,
.hsync_start = 1080 + 4,
.hsync_end = 1080 + 4 + 8,
.htotal = 1080 + 4 + 8 + 8,
.vdisplay = 2160,
.vsync_start = 2160 + 259,
.vsync_end = 2160 + 259 + 8,
.vtotal = 2160 + 259 + 8 + 8,
.width_mm = 64,
.height_mm = 128,
};
static int sony_td4353_jdi_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
struct sony_td4353_jdi *ctx = to_sony_td4353_jdi(panel);
struct drm_display_mode *mode = NULL;
if (ctx->type == TYPE_TAMA_60HZ)
mode = drm_mode_duplicate(connector->dev, &sony_td4353_jdi_mode_tama_60hz);
else
return -EINVAL;
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 sony_td4353_jdi_panel_funcs = {
.prepare = sony_td4353_jdi_prepare,
.unprepare = sony_td4353_jdi_unprepare,
.get_modes = sony_td4353_jdi_get_modes,
};
static int sony_td4353_jdi_probe(struct mipi_dsi_device *dsi)
{
struct device *dev = &dsi->dev;
struct sony_td4353_jdi *ctx;
int ret;
ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
ctx->type = (uintptr_t)of_device_get_match_data(dev);
ctx->supplies[0].supply = "vddio";
ctx->supplies[1].supply = "vsp";
ctx->supplies[2].supply = "vsn";
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
ctx->supplies);
if (ret < 0)
return dev_err_probe(dev, ret, "Failed to get regulators\n");
ctx->panel_reset_gpio = devm_gpiod_get(dev, "panel-reset", GPIOD_ASIS);
if (IS_ERR(ctx->panel_reset_gpio))
return dev_err_probe(dev, PTR_ERR(ctx->panel_reset_gpio),
"Failed to get panel-reset-gpios\n");
ctx->touch_reset_gpio = devm_gpiod_get(dev, "touch-reset", GPIOD_ASIS);
if (IS_ERR(ctx->touch_reset_gpio))
return dev_err_probe(dev, PTR_ERR(ctx->touch_reset_gpio),
"Failed to get touch-reset-gpios\n");
ctx->dsi = dsi;
mipi_dsi_set_drvdata(dsi, ctx);
dsi->lanes = 4;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS;
drm_panel_init(&ctx->panel, dev, &sony_td4353_jdi_panel_funcs,
DRM_MODE_CONNECTOR_DSI);
ret = drm_panel_of_backlight(&ctx->panel);
if (ret)
return dev_err_probe(dev, ret, "Failed to get backlight\n");
drm_panel_add(&ctx->panel);
ret = mipi_dsi_attach(dsi);
if (ret < 0) {
dev_err(dev, "Failed to attach to DSI host: %d\n", ret);
drm_panel_remove(&ctx->panel);
return ret;
}
return 0;
}
static void sony_td4353_jdi_remove(struct mipi_dsi_device *dsi)
{
struct sony_td4353_jdi *ctx = 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(&ctx->panel);
}
static const struct of_device_id sony_td4353_jdi_of_match[] = {
{ .compatible = "sony,td4353-jdi-tama", .data = (void *)TYPE_TAMA_60HZ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, sony_td4353_jdi_of_match);
static struct mipi_dsi_driver sony_td4353_jdi_driver = {
.probe = sony_td4353_jdi_probe,
.remove = sony_td4353_jdi_remove,
.driver = {
.name = "panel-sony-td4353-jdi",
.of_match_table = sony_td4353_jdi_of_match,
},
};
module_mipi_dsi_driver(sony_td4353_jdi_driver);
MODULE_AUTHOR("Konrad Dybcio <[email protected]>");
MODULE_DESCRIPTION("DRM panel driver for SONY Xperia XZ2/XZ2c JDI panel");
MODULE_LICENSE("GPL");
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