drm/panel: Add Synaptics R63353 panel driver
The LS068B3SX02 panel is based on the Synaptics R63353 Controller. Add a driver for it. Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com> Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://lore.kernel.org/r/20231207141723.108004-7-dario.binacchi@amarulasolutions.com Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20231207141723.108004-7-dario.binacchi@amarulasolutions.com
This commit is contained in:
Michael Trimarchi
Neil Armstrong
parent
a7890252c1
commit
2e87bad7cd
@ -6873,6 +6873,12 @@ T: git git://anongit.freedesktop.org/drm/drm-misc
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F: Documentation/devicetree/bindings/display/ste,mcde.yaml
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F: drivers/gpu/drm/mcde/
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DRM DRIVER FOR SYNAPTICS R63353 PANELS
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M: Michael Trimarchi <michael@amarulasolutions.com>
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S: Maintained
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F: Documentation/devicetree/bindings/display/panel/synaptics,r63353.yaml
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F: drivers/gpu/drm/panel/panel-synaptics-r63353.c
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DRM DRIVER FOR TI DLPC3433 MIPI DSI TO DMD BRIDGE
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M: Jagan Teki <jagan@amarulasolutions.com>
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S: Maintained
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@ -735,6 +735,15 @@ config DRM_PANEL_SITRONIX_ST7789V
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Say Y here if you want to enable support for the Sitronix
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ST7789V controller for 240x320 LCD panels
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config DRM_PANEL_SYNAPTICS_R63353
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tristate "Synaptics R63353-based panels"
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depends on OF
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depends on DRM_MIPI_DSI
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depends on BACKLIGHT_CLASS_DEVICE
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help
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Say Y if you want to enable support for panels based on the
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Synaptics R63353 controller.
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config DRM_PANEL_SONY_ACX565AKM
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tristate "Sony ACX565AKM panel"
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depends on GPIOLIB && OF && SPI
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@ -74,6 +74,7 @@ obj-$(CONFIG_DRM_PANEL_SHARP_LS060T1SX01) += panel-sharp-ls060t1sx01.o
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obj-$(CONFIG_DRM_PANEL_SITRONIX_ST7701) += panel-sitronix-st7701.o
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obj-$(CONFIG_DRM_PANEL_SITRONIX_ST7703) += panel-sitronix-st7703.o
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obj-$(CONFIG_DRM_PANEL_SITRONIX_ST7789V) += panel-sitronix-st7789v.o
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obj-$(CONFIG_DRM_PANEL_SYNAPTICS_R63353) += panel-synaptics-r63353.o
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obj-$(CONFIG_DRM_PANEL_SONY_ACX565AKM) += panel-sony-acx565akm.o
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obj-$(CONFIG_DRM_PANEL_SONY_TD4353_JDI) += panel-sony-td4353-jdi.o
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obj-$(CONFIG_DRM_PANEL_SONY_TULIP_TRULY_NT35521) += panel-sony-tulip-truly-nt35521.o
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363
drivers/gpu/drm/panel/panel-synaptics-r63353.c
Normal file
363
drivers/gpu/drm/panel/panel-synaptics-r63353.c
Normal file
@ -0,0 +1,363 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Synaptics R63353 Controller driver
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*
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* Copyright (C) 2020 BSH Hausgerate GmbH
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*/
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#include <linux/delay.h>
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#include <linux/device.h>
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#include <linux/err.h>
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#include <linux/errno.h>
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#include <linux/fb.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/media-bus-format.h>
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#include <linux/gpio/consumer.h>
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#include <linux/regulator/consumer.h>
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#include <drm/drm_mipi_dsi.h>
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#include <drm/drm_modes.h>
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#include <drm/drm_panel.h>
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#include <video/mipi_display.h>
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#define R63353_INSTR(...) { \
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.len = sizeof((u8[]) {__VA_ARGS__}), \
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.data = (u8[]){__VA_ARGS__} \
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}
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struct r63353_instr {
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size_t len;
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const u8 *data;
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};
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static const struct r63353_instr sharp_ls068b3sx02_init[] = {
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R63353_INSTR(0x51, 0xff),
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R63353_INSTR(0x53, 0x0c),
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R63353_INSTR(0x55, 0x00),
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R63353_INSTR(0x84, 0x00),
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R63353_INSTR(0x29),
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};
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struct r63353_desc {
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const char *name;
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const struct r63353_instr *init;
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const size_t init_length;
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const struct drm_display_mode *mode;
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u32 width_mm;
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u32 height_mm;
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};
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struct r63353_panel {
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struct drm_panel base;
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struct mipi_dsi_device *dsi;
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struct gpio_desc *reset_gpio;
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struct regulator *dvdd;
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struct regulator *avdd;
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struct r63353_desc *pdata;
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};
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static inline struct r63353_panel *to_r63353_panel(struct drm_panel *panel)
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{
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return container_of(panel, struct r63353_panel, base);
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}
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static int r63353_panel_power_on(struct r63353_panel *rpanel)
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{
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struct mipi_dsi_device *dsi = rpanel->dsi;
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struct device *dev = &dsi->dev;
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int ret;
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ret = regulator_enable(rpanel->avdd);
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if (ret) {
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dev_err(dev, "Failed to enable avdd regulator (%d)\n", ret);
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return ret;
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}
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usleep_range(15000, 25000);
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ret = regulator_enable(rpanel->dvdd);
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if (ret) {
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dev_err(dev, "Failed to enable dvdd regulator (%d)\n", ret);
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regulator_disable(rpanel->avdd);
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return ret;
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}
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usleep_range(300000, 350000);
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gpiod_set_value(rpanel->reset_gpio, 1);
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usleep_range(15000, 25000);
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return 0;
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}
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static int r63353_panel_power_off(struct r63353_panel *rpanel)
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{
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gpiod_set_value(rpanel->reset_gpio, 0);
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regulator_disable(rpanel->dvdd);
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regulator_disable(rpanel->avdd);
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return 0;
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}
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static int r63353_panel_activate(struct r63353_panel *rpanel)
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{
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struct mipi_dsi_device *dsi = rpanel->dsi;
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struct device *dev = &dsi->dev;
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int i, ret;
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ret = mipi_dsi_dcs_soft_reset(dsi);
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if (ret < 0) {
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dev_err(dev, "Failed to do Software Reset (%d)\n", ret);
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goto fail;
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}
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usleep_range(15000, 17000);
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ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
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if (ret < 0) {
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dev_err(dev, "Failed to enter sleep mode (%d)\n", ret);
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goto fail;
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}
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for (i = 0; i < rpanel->pdata->init_length; i++) {
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const struct r63353_instr *instr = &rpanel->pdata->init[i];
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ret = mipi_dsi_dcs_write_buffer(dsi, instr->data, instr->len);
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if (ret < 0)
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goto fail;
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}
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msleep(120);
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ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
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if (ret < 0) {
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dev_err(dev, "Failed to exit sleep mode (%d)\n", ret);
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goto fail;
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}
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usleep_range(5000, 10000);
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ret = mipi_dsi_dcs_set_display_on(dsi);
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if (ret < 0) {
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dev_err(dev, "Failed to set display ON (%d)\n", ret);
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goto fail;
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}
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return 0;
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fail:
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gpiod_set_value(rpanel->reset_gpio, 0);
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return ret;
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}
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static int r63353_panel_prepare(struct drm_panel *panel)
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{
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struct r63353_panel *rpanel = to_r63353_panel(panel);
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struct mipi_dsi_device *dsi = rpanel->dsi;
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struct device *dev = &dsi->dev;
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int ret;
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dev_dbg(dev, "Preparing\n");
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ret = r63353_panel_power_on(rpanel);
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if (ret)
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return ret;
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ret = r63353_panel_activate(rpanel);
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if (ret) {
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r63353_panel_power_off(rpanel);
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return ret;
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}
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dev_dbg(dev, "Prepared\n");
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return 0;
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}
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static int r63353_panel_deactivate(struct r63353_panel *rpanel)
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{
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struct mipi_dsi_device *dsi = rpanel->dsi;
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struct device *dev = &dsi->dev;
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int ret;
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ret = mipi_dsi_dcs_set_display_off(dsi);
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if (ret < 0) {
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dev_err(dev, "Failed to set display OFF (%d)\n", ret);
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return ret;
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}
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usleep_range(5000, 10000);
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ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
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if (ret < 0) {
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dev_err(dev, "Failed to enter sleep mode (%d)\n", ret);
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return ret;
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}
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return 0;
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}
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static int r63353_panel_unprepare(struct drm_panel *panel)
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{
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struct r63353_panel *rpanel = to_r63353_panel(panel);
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r63353_panel_deactivate(rpanel);
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r63353_panel_power_off(rpanel);
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return 0;
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}
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static const struct drm_display_mode sharp_ls068b3sx02_timing = {
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.clock = 70000,
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.hdisplay = 640,
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.hsync_start = 640 + 35,
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.hsync_end = 640 + 35 + 2,
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.htotal = 640 + 35 + 2 + 150,
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.vdisplay = 1280,
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.vsync_start = 1280 + 2,
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.vsync_end = 1280 + 2 + 4,
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.vtotal = 1280 + 2 + 4 + 0,
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};
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static int r63353_panel_get_modes(struct drm_panel *panel,
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struct drm_connector *connector)
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{
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struct r63353_panel *rpanel = to_r63353_panel(panel);
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struct drm_display_mode *mode;
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static const u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
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mode = drm_mode_duplicate(connector->dev, rpanel->pdata->mode);
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if (!mode)
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return -ENOMEM;
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drm_mode_set_name(mode);
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drm_mode_probed_add(connector, mode);
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mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
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connector->display_info.width_mm = rpanel->pdata->width_mm;
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connector->display_info.height_mm = rpanel->pdata->height_mm;
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drm_display_info_set_bus_formats(&connector->display_info,
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&bus_format, 1);
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return 1;
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}
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static const struct drm_panel_funcs r63353_panel_funcs = {
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.prepare = r63353_panel_prepare,
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.unprepare = r63353_panel_unprepare,
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.get_modes = r63353_panel_get_modes,
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};
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static int r63353_panel_probe(struct mipi_dsi_device *dsi)
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{
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int ret = 0;
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struct device *dev = &dsi->dev;
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struct r63353_panel *panel;
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panel = devm_kzalloc(&dsi->dev, sizeof(*panel), GFP_KERNEL);
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if (!panel)
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return -ENOMEM;
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mipi_dsi_set_drvdata(dsi, panel);
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panel->dsi = dsi;
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panel->pdata = (struct r63353_desc *)of_device_get_match_data(dev);
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dev_info(dev, "Panel %s\n", panel->pdata->name);
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dsi->lanes = 2;
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dsi->format = MIPI_DSI_FMT_RGB888;
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dsi->mode_flags = MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_VIDEO |
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MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM |
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MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_NO_EOT_PACKET;
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panel->dvdd = devm_regulator_get(dev, "dvdd");
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if (IS_ERR(panel->dvdd))
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return PTR_ERR(panel->dvdd);
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panel->avdd = devm_regulator_get(dev, "avdd");
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if (IS_ERR(panel->avdd))
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return PTR_ERR(panel->avdd);
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panel->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
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if (IS_ERR(panel->reset_gpio)) {
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dev_err(dev, "failed to get RESET GPIO\n");
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return PTR_ERR(panel->reset_gpio);
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}
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drm_panel_init(&panel->base, dev, &r63353_panel_funcs,
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DRM_MODE_CONNECTOR_DSI);
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panel->base.prepare_prev_first = true;
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ret = drm_panel_of_backlight(&panel->base);
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if (ret)
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return ret;
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drm_panel_add(&panel->base);
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ret = mipi_dsi_attach(dsi);
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if (ret < 0) {
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dev_err(dev, "mipi_dsi_attach failed: %d\n", ret);
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drm_panel_remove(&panel->base);
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return ret;
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}
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return ret;
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}
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static void r63353_panel_remove(struct mipi_dsi_device *dsi)
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{
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struct r63353_panel *rpanel = mipi_dsi_get_drvdata(dsi);
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struct device *dev = &dsi->dev;
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int ret;
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ret = mipi_dsi_detach(dsi);
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if (ret < 0)
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dev_err(dev, "Failed to detach from host (%d)\n", ret);
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drm_panel_remove(&rpanel->base);
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}
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static void r63353_panel_shutdown(struct mipi_dsi_device *dsi)
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{
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struct r63353_panel *rpanel = mipi_dsi_get_drvdata(dsi);
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r63353_panel_unprepare(&rpanel->base);
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}
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static const struct r63353_desc sharp_ls068b3sx02_data = {
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.name = "Sharp LS068B3SX02",
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.mode = &sharp_ls068b3sx02_timing,
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.init = sharp_ls068b3sx02_init,
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.init_length = ARRAY_SIZE(sharp_ls068b3sx02_init),
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.width_mm = 68,
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.height_mm = 159,
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};
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static const struct of_device_id r63353_of_match[] = {
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{ .compatible = "sharp,ls068b3sx02", .data = &sharp_ls068b3sx02_data },
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{ }
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};
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MODULE_DEVICE_TABLE(of, r63353_of_match);
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static struct mipi_dsi_driver r63353_panel_driver = {
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.driver = {
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.name = "r63353-dsi",
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.of_match_table = r63353_of_match,
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},
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.probe = r63353_panel_probe,
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.remove = r63353_panel_remove,
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.shutdown = r63353_panel_shutdown,
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};
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module_mipi_dsi_driver(r63353_panel_driver);
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MODULE_AUTHOR("Matthias Proske <Matthias.Proske@bshg.com>");
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MODULE_AUTHOR("Michael Trimarchi <michael@amarulasolutions.com>");
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MODULE_DESCRIPTION("Synaptics R63353 Controller Driver");
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MODULE_LICENSE("GPL");
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