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drm: panel: Add support for Renesas R69328 based MIPI DSI panel
Driver adds support for panels with Renesas R69328 IC Currently supported compatible is: - jdi,dx12d100vm0eaa Co-developed-by: Svyatoslav Ryhel <clamor95@gmail.com> Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com> Signed-off-by: Maxim Schwalm <maxim.schwalm@gmail.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20250506092718.106088-5-clamor95@gmail.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
This commit is contained in:
Maxim Schwalm
Dmitry Baryshkov
parent
215c73d483
commit
9e0f93f7af
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@ -658,6 +658,19 @@ config DRM_PANEL_RENESAS_R61307
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This panel controller can be found in LG Optimus Vu P895 smartphone
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in combination with LCD panel.
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config DRM_PANEL_RENESAS_R69328
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tristate "Renesas R69328 720x1280 DSI video mode panel"
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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 here if you want to enable support for JDI dx12d100vm0eaa
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IPS-LCD module with Renesas R69328 IC. The panel has a 720x1280
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resolution and uses 24 bit RGB per pixel.
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This panel controller can be found in LG Optimus 4X P895 smartphone
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in combination with LCD panel.
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config DRM_PANEL_RONBO_RB070D30
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tristate "Ronbo Electronics RB070D30 panel"
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depends on OF
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@ -66,6 +66,7 @@ obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM68200) += panel-raydium-rm68200.o
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obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM692E5) += panel-raydium-rm692e5.o
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obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM69380) += panel-raydium-rm69380.o
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obj-$(CONFIG_DRM_PANEL_RENESAS_R61307) += panel-renesas-r61307.o
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obj-$(CONFIG_DRM_PANEL_RENESAS_R69328) += panel-renesas-r69328.o
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obj-$(CONFIG_DRM_PANEL_RONBO_RB070D30) += panel-ronbo-rb070d30.o
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obj-$(CONFIG_DRM_PANEL_SAMSUNG_AMS581VF01) += panel-samsung-ams581vf01.o
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obj-$(CONFIG_DRM_PANEL_SAMSUNG_AMS639RQ08) += panel-samsung-ams639rq08.o
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281
drivers/gpu/drm/panel/panel-renesas-r69328.c
Normal file
281
drivers/gpu/drm/panel/panel-renesas-r69328.c
Normal file
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@ -0,0 +1,281 @@
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// SPDX-License-Identifier: GPL-2.0
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#include <linux/array_size.h>
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <linux/gpio/consumer.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/property.h>
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#include <linux/regulator/consumer.h>
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#include <video/mipi_display.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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#define R69328_MACP 0xb0 /* Manufacturer Access CMD Protect */
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#define R69328_MACP_ON 0x03
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#define R69328_MACP_OFF 0x04
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#define R69328_GAMMA_SET_A 0xc8 /* Gamma Setting A */
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#define R69328_GAMMA_SET_B 0xc9 /* Gamma Setting B */
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#define R69328_GAMMA_SET_C 0xca /* Gamma Setting C */
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#define R69328_POWER_SET 0xd1
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struct renesas_r69328 {
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struct drm_panel panel;
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struct mipi_dsi_device *dsi;
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struct regulator *vdd_supply;
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struct regulator *vddio_supply;
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struct gpio_desc *reset_gpio;
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bool prepared;
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};
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static inline struct renesas_r69328 *to_renesas_r69328(struct drm_panel *panel)
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{
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return container_of(panel, struct renesas_r69328, panel);
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}
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static void renesas_r69328_reset(struct renesas_r69328 *priv)
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{
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gpiod_set_value_cansleep(priv->reset_gpio, 1);
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usleep_range(10000, 11000);
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gpiod_set_value_cansleep(priv->reset_gpio, 0);
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usleep_range(2000, 3000);
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}
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static int renesas_r69328_prepare(struct drm_panel *panel)
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{
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struct renesas_r69328 *priv = to_renesas_r69328(panel);
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struct device *dev = &priv->dsi->dev;
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int ret;
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if (priv->prepared)
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return 0;
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ret = regulator_enable(priv->vdd_supply);
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if (ret) {
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dev_err(dev, "failed to enable vdd power supply\n");
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return ret;
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}
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usleep_range(10000, 11000);
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ret = regulator_enable(priv->vddio_supply);
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if (ret < 0) {
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dev_err(dev, "failed to enable vddio power supply\n");
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return ret;
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}
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usleep_range(10000, 11000);
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renesas_r69328_reset(priv);
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priv->prepared = true;
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return 0;
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}
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static int renesas_r69328_enable(struct drm_panel *panel)
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{
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struct renesas_r69328 *priv = to_renesas_r69328(panel);
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struct mipi_dsi_multi_context ctx = { .dsi = priv->dsi };
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/* Set address mode */
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mipi_dsi_dcs_write_seq_multi(&ctx, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
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mipi_dsi_dcs_set_pixel_format_multi(&ctx, MIPI_DCS_PIXEL_FMT_24BIT << 4);
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mipi_dsi_dcs_exit_sleep_mode_multi(&ctx);
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mipi_dsi_msleep(&ctx, 100);
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/* MACP Off */
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mipi_dsi_generic_write_seq_multi(&ctx, R69328_MACP, R69328_MACP_OFF);
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mipi_dsi_generic_write_seq_multi(&ctx, R69328_POWER_SET, 0x14, 0x1d,
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0x21, 0x67, 0x11, 0x9a);
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mipi_dsi_generic_write_seq_multi(&ctx, R69328_GAMMA_SET_A, 0x00, 0x1a,
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0x20, 0x28, 0x25, 0x24, 0x26, 0x15, 0x13,
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0x11, 0x18, 0x1e, 0x1c, 0x00, 0x00, 0x1a,
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0x20, 0x28, 0x25, 0x24, 0x26, 0x15, 0x13,
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0x11, 0x18, 0x1e, 0x1c, 0x00);
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mipi_dsi_generic_write_seq_multi(&ctx, R69328_GAMMA_SET_B, 0x00, 0x1a,
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0x20, 0x28, 0x25, 0x24, 0x26, 0x15, 0x13,
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0x11, 0x18, 0x1e, 0x1c, 0x00, 0x00, 0x1a,
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0x20, 0x28, 0x25, 0x24, 0x26, 0x15, 0x13,
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0x11, 0x18, 0x1e, 0x1c, 0x00);
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mipi_dsi_generic_write_seq_multi(&ctx, R69328_GAMMA_SET_C, 0x00, 0x1a,
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0x20, 0x28, 0x25, 0x24, 0x26, 0x15, 0x13,
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0x11, 0x18, 0x1e, 0x1c, 0x00, 0x00, 0x1a,
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0x20, 0x28, 0x25, 0x24, 0x26, 0x15, 0x13,
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0x11, 0x18, 0x1e, 0x1c, 0x00);
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/* MACP On */
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mipi_dsi_generic_write_seq_multi(&ctx, R69328_MACP, R69328_MACP_ON);
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mipi_dsi_dcs_set_display_on_multi(&ctx);
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mipi_dsi_msleep(&ctx, 50);
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return 0;
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}
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static int renesas_r69328_disable(struct drm_panel *panel)
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{
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struct renesas_r69328 *priv = to_renesas_r69328(panel);
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struct mipi_dsi_multi_context ctx = { .dsi = priv->dsi };
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mipi_dsi_dcs_set_display_off_multi(&ctx);
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mipi_dsi_msleep(&ctx, 60);
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mipi_dsi_dcs_enter_sleep_mode_multi(&ctx);
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return 0;
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}
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static int renesas_r69328_unprepare(struct drm_panel *panel)
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{
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struct renesas_r69328 *priv = to_renesas_r69328(panel);
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if (!priv->prepared)
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return 0;
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gpiod_set_value_cansleep(priv->reset_gpio, 1);
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usleep_range(5000, 6000);
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regulator_disable(priv->vddio_supply);
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regulator_disable(priv->vdd_supply);
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priv->prepared = false;
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return 0;
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}
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static const struct drm_display_mode renesas_r69328_mode = {
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.clock = (720 + 92 + 62 + 4) * (1280 + 6 + 3 + 1) * 60 / 1000,
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.hdisplay = 720,
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.hsync_start = 720 + 92,
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.hsync_end = 720 + 92 + 62,
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.htotal = 720 + 92 + 62 + 4,
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.vdisplay = 1280,
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.vsync_start = 1280 + 6,
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.vsync_end = 1280 + 6 + 3,
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.vtotal = 1280 + 6 + 3 + 1,
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.width_mm = 59,
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.height_mm = 105,
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};
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static int renesas_r69328_get_modes(struct drm_panel *panel,
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struct drm_connector *connector)
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{
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struct drm_display_mode *mode;
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mode = drm_mode_duplicate(connector->dev, &renesas_r69328_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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mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
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connector->display_info.width_mm = mode->width_mm;
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connector->display_info.height_mm = mode->height_mm;
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drm_mode_probed_add(connector, mode);
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return 1;
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}
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static const struct drm_panel_funcs renesas_r69328_panel_funcs = {
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.prepare = renesas_r69328_prepare,
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.enable = renesas_r69328_enable,
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.disable = renesas_r69328_disable,
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.unprepare = renesas_r69328_unprepare,
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.get_modes = renesas_r69328_get_modes,
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};
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static int renesas_r69328_probe(struct mipi_dsi_device *dsi)
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{
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struct device *dev = &dsi->dev;
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struct renesas_r69328 *priv;
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int ret;
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priv = devm_drm_panel_alloc(dev, struct renesas_r69328, panel,
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&renesas_r69328_panel_funcs,
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DRM_MODE_CONNECTOR_DSI);
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if (IS_ERR(priv))
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return PTR_ERR(priv);
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priv->vdd_supply = devm_regulator_get(dev, "vdd");
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if (IS_ERR(priv->vdd_supply))
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return dev_err_probe(dev, PTR_ERR(priv->vdd_supply),
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"Failed to get vdd-supply\n");
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priv->vddio_supply = devm_regulator_get(dev, "vddio");
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if (IS_ERR(priv->vddio_supply))
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return dev_err_probe(dev, PTR_ERR(priv->vddio_supply),
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"Failed to get vddio-supply\n");
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priv->reset_gpio = devm_gpiod_get_optional(dev, "reset",
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GPIOD_OUT_LOW);
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if (IS_ERR(priv->reset_gpio))
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return dev_err_probe(dev, PTR_ERR(priv->reset_gpio),
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"Failed to get reset-gpios\n");
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priv->dsi = dsi;
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mipi_dsi_set_drvdata(dsi, priv);
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dsi->lanes = 4;
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dsi->format = MIPI_DSI_FMT_RGB888;
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dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
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MIPI_DSI_CLOCK_NON_CONTINUOUS | MIPI_DSI_MODE_LPM;
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ret = drm_panel_of_backlight(&priv->panel);
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if (ret)
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return dev_err_probe(dev, ret, "Failed to get backlight\n");
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drm_panel_add(&priv->panel);
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ret = mipi_dsi_attach(dsi);
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if (ret) {
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drm_panel_remove(&priv->panel);
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return dev_err_probe(dev, ret, "Failed to attach to DSI host\n");
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}
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return 0;
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}
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static void renesas_r69328_remove(struct mipi_dsi_device *dsi)
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{
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struct renesas_r69328 *priv = mipi_dsi_get_drvdata(dsi);
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int ret;
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ret = mipi_dsi_detach(dsi);
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if (ret)
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dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);
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drm_panel_remove(&priv->panel);
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}
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static const struct of_device_id renesas_r69328_of_match[] = {
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{ .compatible = "jdi,dx12d100vm0eaa" },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(of, renesas_r69328_of_match);
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static struct mipi_dsi_driver renesas_r69328_driver = {
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.probe = renesas_r69328_probe,
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.remove = renesas_r69328_remove,
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.driver = {
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.name = "panel-renesas-r69328",
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.of_match_table = renesas_r69328_of_match,
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},
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};
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module_mipi_dsi_driver(renesas_r69328_driver);
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MODULE_AUTHOR("Maxim Schwalm <maxim.schwalm@gmail.com>");
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MODULE_AUTHOR("Svyatoslav Ryhel <clamor95@gmail.com>");
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MODULE_DESCRIPTION("Renesas R69328-based panel driver");
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MODULE_LICENSE("GPL");
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