R61307 is liquid crystal driver for high-definition amorphous silicon
(a-Si) panels and is ideal for tablets and smartphones.
Supported compatibles are:
- hit,tx13d100vm0eaa
- koe,tx13d100vm0eaa
Signed-off-by: Svyatoslav Ryhel <clamo...@gmail.com>
Reviewed-by: Neil Armstrong <neil.armstr...@linaro.org>
---
drivers/gpu/drm/panel/Kconfig | 13 +
drivers/gpu/drm/panel/Makefile | 1 +
drivers/gpu/drm/panel/panel-renesas-r61307.c | 325 +++++++++++++++++++
3 files changed, 339 insertions(+)
create mode 100644 drivers/gpu/drm/panel/panel-renesas-r61307.c
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index 639f4324db61..d15ad60d977f 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -635,6 +635,19 @@ config DRM_PANEL_RAYDIUM_RM69380
This panel controller can be found in the Lenovo Xiaoxin Pad Pro 2021
in combination with an EDO OLED panel.
+config DRM_PANEL_RENESAS_R61307
+ tristate "Renesas R61307 DSI video mode 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 KOE tx13d100vm0eaa
+ IPS-LCD module with Renesas R69328 IC. The panel has a 1024x768
+ resolution and uses 24 bit RGB per pixel.
+
+ This panel controller can be found in LG Optimus Vu P895 smartphone
+ in combination with LCD panel.
+
config DRM_PANEL_RONBO_RB070D30
tristate "Ronbo Electronics RB070D30 panel"
depends on OF
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 5eec88e4ac3d..196288532c9f 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -64,6 +64,7 @@ obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM67200) +=
panel-raydium-rm67200.o
obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM68200) += panel-raydium-rm68200.o
obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM692E5) += panel-raydium-rm692e5.o
obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM69380) += panel-raydium-rm69380.o
+obj-$(CONFIG_DRM_PANEL_RENESAS_R61307) += panel-renesas-r61307.o
obj-$(CONFIG_DRM_PANEL_RONBO_RB070D30) += panel-ronbo-rb070d30.o
obj-$(CONFIG_DRM_PANEL_SAMSUNG_AMS581VF01) += panel-samsung-ams581vf01.o
obj-$(CONFIG_DRM_PANEL_SAMSUNG_AMS639RQ08) += panel-samsung-ams639rq08.o
diff --git a/drivers/gpu/drm/panel/panel-renesas-r61307.c
b/drivers/gpu/drm/panel/panel-renesas-r61307.c
new file mode 100644
index 000000000000..319415194839
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-renesas-r61307.c
@@ -0,0 +1,325 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <linux/array_size.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/gpio/consumer.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/property.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 R61307_MACP 0xb0 /* Manufacturer CMD Protect */
+#define R61307_MACP_ON 0x03
+#define R61307_MACP_OFF 0x04
+
+#define R61307_INVERSION 0xc1
+#define R61307_GAMMA_SET_A 0xc8 /* Gamma Setting A */
+#define R61307_GAMMA_SET_B 0xc9 /* Gamma Setting B */
+#define R61307_GAMMA_SET_C 0xca /* Gamma Setting C */
+#define R61307_CONTRAST_SET 0xcc
+
+struct renesas_r61307 {
+ struct drm_panel panel;
+ struct mipi_dsi_device *dsi;
+
+ struct regulator *vcc_supply;
+ struct regulator *iovcc_supply;
+
+ struct gpio_desc *reset_gpio;
+
+ bool prepared;
+
+ bool dig_cont_adj;
+ bool inversion;
+ u32 gamma;
+};
+
+static const u8 gamma_setting[][25] = {
+ { /* sentinel */ },
+ {
+ R61307_GAMMA_SET_A,
+ 0x00, 0x06, 0x0a, 0x0f,
+ 0x14, 0x1f, 0x1f, 0x17,
+ 0x12, 0x0c, 0x09, 0x06,
+ 0x00, 0x06, 0x0a, 0x0f,
+ 0x14, 0x1f, 0x1f, 0x17,
+ 0x12, 0x0c, 0x09, 0x06
+ },
+ {
+ R61307_GAMMA_SET_A,
+ 0x00, 0x05, 0x0b, 0x0f,
+ 0x11, 0x1d, 0x20, 0x18,
+ 0x18, 0x09, 0x07, 0x06,
+ 0x00, 0x05, 0x0b, 0x0f,
+ 0x11, 0x1d, 0x20, 0x18,
+ 0x18, 0x09, 0x07, 0x06
+ },
+ {
+ R61307_GAMMA_SET_A,
+ 0x0b, 0x0d, 0x10, 0x14,
+ 0x13, 0x1d, 0x20, 0x18,
+ 0x12, 0x09, 0x07, 0x06,
+ 0x0a, 0x0c, 0x10, 0x14,
+ 0x13, 0x1d, 0x20, 0x18,
+ 0x12, 0x09, 0x07, 0x06
+ },
+};
+
+static inline struct renesas_r61307 *to_renesas_r61307(struct drm_panel *panel)
+{
+ return container_of(panel, struct renesas_r61307, panel);
+}
+
+static void renesas_r61307_reset(struct renesas_r61307 *priv)
+{
+ gpiod_set_value_cansleep(priv->reset_gpio, 1);
+ usleep_range(10000, 11000);
+ gpiod_set_value_cansleep(priv->reset_gpio, 0);
+ usleep_range(2000, 3000);
+}
+
+static int renesas_r61307_prepare(struct drm_panel *panel)
+{
+ struct renesas_r61307 *priv = to_renesas_r61307(panel);
+ struct device *dev = &priv->dsi->dev;
+ int ret;
+
+ if (priv->prepared)
+ return 0;
+
+ ret = regulator_enable(priv->vcc_supply);
+ if (ret) {
+ dev_err(dev, "failed to enable vcc power supply\n");
+ return ret;
+ }
+
+ usleep_range(2000, 3000);
+
+ ret = regulator_enable(priv->iovcc_supply);
+ if (ret) {
+ dev_err(dev, "failed to enable iovcc power supply\n");
+ return ret;
+ }
+
+ usleep_range(2000, 3000);
+
+ renesas_r61307_reset(priv);
+
+ priv->prepared = true;
+ return 0;
+}
+
+static int renesas_r61307_enable(struct drm_panel *panel)
+{
+ struct renesas_r61307 *priv = to_renesas_r61307(panel);
+ struct mipi_dsi_multi_context ctx = { .dsi = priv->dsi };
+
+ mipi_dsi_dcs_exit_sleep_mode_multi(&ctx);
+ mipi_dsi_msleep(&ctx, 80);
+
+ mipi_dsi_dcs_write_seq_multi(&ctx, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
+ mipi_dsi_msleep(&ctx, 20);
+
+ mipi_dsi_dcs_set_pixel_format_multi(&ctx, MIPI_DCS_PIXEL_FMT_24BIT <<
4);
+
+ /* MACP Off */
+ mipi_dsi_generic_write_seq_multi(&ctx, R61307_MACP, R61307_MACP_OFF);
+
+ if (priv->dig_cont_adj)
+ mipi_dsi_generic_write_seq_multi(&ctx, R61307_CONTRAST_SET,
+ 0xdc, 0xb4, 0xff);
+
+ if (priv->gamma)
+ mipi_dsi_generic_write_multi(&ctx, gamma_setting[priv->gamma],
+
sizeof(gamma_setting[priv->gamma]));
+
+ if (priv->inversion)
+ mipi_dsi_generic_write_seq_multi(&ctx, R61307_INVERSION,
+ 0x00, 0x50, 0x03, 0x22,
+ 0x16, 0x06, 0x60, 0x11);
+ else
+ mipi_dsi_generic_write_seq_multi(&ctx, R61307_INVERSION,
+ 0x00, 0x10, 0x03, 0x22,
+ 0x16, 0x06, 0x60, 0x01);
+
+ /* MACP On */
+ mipi_dsi_generic_write_seq_multi(&ctx, R61307_MACP, R61307_MACP_ON);
+
+ mipi_dsi_dcs_set_display_on_multi(&ctx);
+ mipi_dsi_msleep(&ctx, 50);
+
+ return 0;
+}
+
+static int renesas_r61307_disable(struct drm_panel *panel)
+{
+ struct renesas_r61307 *priv = to_renesas_r61307(panel);
+ struct mipi_dsi_multi_context ctx = { .dsi = priv->dsi };
+
+ mipi_dsi_dcs_set_display_off_multi(&ctx);
+ mipi_dsi_msleep(&ctx, 100);
+ mipi_dsi_dcs_enter_sleep_mode_multi(&ctx);
+
+ return 0;
+}
+
+static int renesas_r61307_unprepare(struct drm_panel *panel)
+{
+ struct renesas_r61307 *priv = to_renesas_r61307(panel);
+
+ if (!priv->prepared)
+ return 0;
+
+ usleep_range(10000, 11000);
+
+ gpiod_set_value_cansleep(priv->reset_gpio, 1);
+ usleep_range(5000, 6000);
+
+ regulator_disable(priv->iovcc_supply);
+ usleep_range(2000, 3000);
+ regulator_disable(priv->vcc_supply);
+
+ priv->prepared = false;
+ return 0;
+}
+
+static const struct drm_display_mode renesas_r61307_mode = {
+ .clock = (768 + 116 + 81 + 5) * (1024 + 24 + 8 + 2) * 60 / 1000,
+ .hdisplay = 768,
+ .hsync_start = 768 + 116,
+ .hsync_end = 768 + 116 + 81,
+ .htotal = 768 + 116 + 81 + 5,
+ .vdisplay = 1024,
+ .vsync_start = 1024 + 24,
+ .vsync_end = 1024 + 24 + 8,
+ .vtotal = 1024 + 24 + 8 + 2,
+ .width_mm = 76,
+ .height_mm = 101,
+};
+
+static int renesas_r61307_get_modes(struct drm_panel *panel,
+ struct drm_connector *connector)
+{
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_duplicate(connector->dev, &renesas_r61307_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 renesas_r61307_panel_funcs = {
+ .prepare = renesas_r61307_prepare,
+ .enable = renesas_r61307_enable,
+ .disable = renesas_r61307_disable,
+ .unprepare = renesas_r61307_unprepare,
+ .get_modes = renesas_r61307_get_modes,
+};
+
+static int renesas_r61307_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ struct renesas_r61307 *priv;
+ int ret;
+
+ priv = devm_drm_panel_alloc(dev, struct renesas_r61307, panel,
+ &renesas_r61307_panel_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+ if (IS_ERR(priv))
+ return PTR_ERR(priv);
+
+ priv->vcc_supply = devm_regulator_get(dev, "vcc");
+ if (IS_ERR(priv->vcc_supply))
+ return dev_err_probe(dev, PTR_ERR(priv->vcc_supply),
+ "Failed to get vcc-supply\n");
+
+ priv->iovcc_supply = devm_regulator_get(dev, "iovcc");
+ if (IS_ERR(priv->iovcc_supply))
+ return dev_err_probe(dev, PTR_ERR(priv->iovcc_supply),
+ "Failed to get iovcc-supply\n");
+
+ priv->reset_gpio = devm_gpiod_get_optional(dev, "reset",
+ GPIOD_OUT_HIGH);
+ if (IS_ERR(priv->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(priv->reset_gpio),
+ "Failed to get reset gpios\n");
+
+ if (device_property_read_bool(dev, "renesas,inversion"))
+ priv->inversion = true;
+
+ if (device_property_read_bool(dev, "renesas,contrast"))
+ priv->dig_cont_adj = true;
+
+ priv->gamma = 0;
+ device_property_read_u32(dev, "renesas,gamma", &priv->gamma);
+
+ priv->dsi = dsi;
+ mipi_dsi_set_drvdata(dsi, priv);
+
+ dsi->lanes = 4;
+ dsi->format = MIPI_DSI_FMT_RGB888;
+ dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
+ MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM;
+
+ ret = drm_panel_of_backlight(&priv->panel);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to get backlight\n");
+
+ drm_panel_add(&priv->panel);
+
+ ret = mipi_dsi_attach(dsi);
+ if (ret) {
+ drm_panel_remove(&priv->panel);
+ return dev_err_probe(dev, ret, "Failed to attach to DSI
host\n");
+ }
+
+ return 0;
+}
+
+static void renesas_r61307_remove(struct mipi_dsi_device *dsi)
+{
+ struct renesas_r61307 *priv = mipi_dsi_get_drvdata(dsi);
+ int ret;
+
+ ret = mipi_dsi_detach(dsi);
+ if (ret)
+ dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
+
+ drm_panel_remove(&priv->panel);
+}
+
+static const struct of_device_id renesas_r61307_of_match[] = {
+ { .compatible = "hit,tx13d100vm0eaa" },
+ { .compatible = "koe,tx13d100vm0eaa" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, renesas_r61307_of_match);
+
+static struct mipi_dsi_driver renesas_r61307_driver = {
+ .probe = renesas_r61307_probe,
+ .remove = renesas_r61307_remove,
+ .driver = {
+ .name = "panel-renesas-r61307",
+ .of_match_table = renesas_r61307_of_match,
+ },
+};
+module_mipi_dsi_driver(renesas_r61307_driver);
+
+MODULE_AUTHOR("Svyatoslav Ryhel <clamo...@gmail.com>");
+MODULE_DESCRIPTION("Renesas R61307-based panel driver");
+MODULE_LICENSE("GPL");
--
2.48.1
