| Message ID | 20240105-fp4-panel-v1-2-1afbabc55276@fairphone.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Add display support for Fairphone 4 | expand |
On Fri, 5 Jan 2024 at 16:29, Luca Weiss <luca.weiss@fairphone.com> wrote: > > Add support for the 2340x1080 LCD DJN panel bundled with a HX83112A > driver IC, as found on the Fairphone 4 smartphone. > > Signed-off-by: Luca Weiss <luca.weiss@fairphone.com> > --- > drivers/gpu/drm/panel/Kconfig | 9 + > drivers/gpu/drm/panel/Makefile | 1 + > drivers/gpu/drm/panel/panel-himax-hx83112a.c | 372 +++++++++++++++++++++++++++ > 3 files changed, 382 insertions(+) > > diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig > index 99e14dc212ec..e98d329826f2 100644 > --- a/drivers/gpu/drm/panel/Kconfig > +++ b/drivers/gpu/drm/panel/Kconfig > @@ -162,6 +162,15 @@ config DRM_PANEL_FEIYANG_FY07024DI26A30D > Say Y if you want to enable support for panels based on the > Feiyang FY07024DI26A30-D MIPI-DSI interface. > > +config DRM_PANEL_HIMAX_HX83112A > + tristate "Himax HX83112A-based DSI 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 Himax HX83112A-based > + display panels, such as the one found in the Fairphone 4 smartphone. > + > config DRM_PANEL_HIMAX_HX8394 > tristate "HIMAX HX8394 MIPI-DSI LCD panels" > depends on OF > diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile > index d10c3de51c6d..c2fc4c8c8340 100644 > --- a/drivers/gpu/drm/panel/Makefile > +++ b/drivers/gpu/drm/panel/Makefile > @@ -14,6 +14,7 @@ obj-$(CONFIG_DRM_PANEL_EBBG_FT8719) += panel-ebbg-ft8719.o > obj-$(CONFIG_DRM_PANEL_ELIDA_KD35T133) += panel-elida-kd35t133.o > obj-$(CONFIG_DRM_PANEL_FEIXIN_K101_IM2BA02) += panel-feixin-k101-im2ba02.o > obj-$(CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D) += panel-feiyang-fy07024di26a30d.o > +obj-$(CONFIG_DRM_PANEL_HIMAX_HX83112A) += panel-himax-hx83112a.o > obj-$(CONFIG_DRM_PANEL_HIMAX_HX8394) += panel-himax-hx8394.o > obj-$(CONFIG_DRM_PANEL_ILITEK_IL9322) += panel-ilitek-ili9322.o > obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9341) += panel-ilitek-ili9341.o > diff --git a/drivers/gpu/drm/panel/panel-himax-hx83112a.c b/drivers/gpu/drm/panel/panel-himax-hx83112a.c > new file mode 100644 > index 000000000000..ce86aad11bf5 > --- /dev/null > +++ b/drivers/gpu/drm/panel/panel-himax-hx83112a.c > @@ -0,0 +1,372 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree. > + * Copyright (c) 2024 Luca Weiss <luca.weiss@fairphone.com> > + */ > + > +#include <linux/delay.h> > +#include <linux/gpio/consumer.h> > +#include <linux/module.h> > +#include <linux/of.h> > +#include <linux/regulator/consumer.h> > + > +#include <drm/drm_mipi_dsi.h> > +#include <drm/drm_modes.h> > +#include <drm/drm_panel.h> > + > +struct hx83112a_panel { > + struct drm_panel panel; > + struct mipi_dsi_device *dsi; > + struct regulator_bulk_data supplies[3]; > + struct gpio_desc *reset_gpio; > + bool prepared; I think this should not be necessary after d2aacaf07395 ("drm/panel: Check for already prepared/enabled in drm_panel") > +}; > + > +static inline struct hx83112a_panel *to_hx83112a_panel(struct drm_panel *panel) > +{ > + return container_of(panel, struct hx83112a_panel, panel); > +} > + > +static void hx83112a_reset(struct hx83112a_panel *ctx) > +{ > + gpiod_set_value_cansleep(ctx->reset_gpio, 0); > + msleep(20); > + gpiod_set_value_cansleep(ctx->reset_gpio, 1); > + msleep(20); > + gpiod_set_value_cansleep(ctx->reset_gpio, 0); > + msleep(50); > +} > + > +static int hx83112a_on(struct hx83112a_panel *ctx) > +{ > + struct mipi_dsi_device *dsi = ctx->dsi; > + struct device *dev = &dsi->dev; > + int ret; > + > + dsi->mode_flags |= MIPI_DSI_MODE_LPM; > + > + mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x83, 0x11, 0x2a); > + mipi_dsi_dcs_write_seq(dsi, 0xb1, > + 0x08, 0x28, 0x28, 0x83, 0x83, 0x4c, 0x4f, 0x33); > + mipi_dsi_dcs_write_seq(dsi, 0xb2, > + 0x00, 0x02, 0x00, 0x90, 0x24, 0x00, 0x08, 0x19, > + 0xea, 0x11, 0x11, 0x00, 0x11, 0xa3); > + mipi_dsi_dcs_write_seq(dsi, 0xb4, > + 0x58, 0x68, 0x58, 0x68, 0x0f, 0xef, 0x0b, 0xc0, > + 0x0b, 0xc0, 0x0b, 0xc0, 0x00, 0xff, 0x00, 0xff, > + 0x00, 0x00, 0x14, 0x15, 0x00, 0x29, 0x11, 0x07, > + 0x12, 0x00, 0x29); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x02); > + mipi_dsi_dcs_write_seq(dsi, 0xb4, > + 0x00, 0x12, 0x12, 0x11, 0x88, 0x12, 0x12, 0x00, > + 0x53); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x03); > + mipi_dsi_dcs_write_seq(dsi, 0xc1, > + 0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6, > + 0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6, > + 0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d, > + 0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49, > + 0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a, > + 0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3, > + 0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad, > + 0x40); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x02); > + mipi_dsi_dcs_write_seq(dsi, 0xc1, > + 0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6, > + 0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6, > + 0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d, > + 0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49, > + 0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a, > + 0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3, > + 0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad, > + 0x40); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x01); > + mipi_dsi_dcs_write_seq(dsi, 0xc1, > + 0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6, > + 0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6, > + 0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d, > + 0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49, > + 0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a, > + 0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3, > + 0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad, > + 0x40); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xc1, 0x01); > + mipi_dsi_dcs_write_seq(dsi, 0xc7, 0x70, 0x00, 0x04, 0xe0, 0x33, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xcc, 0x08); > + mipi_dsi_dcs_write_seq(dsi, 0xd2, 0x2b, 0x2b); > + mipi_dsi_dcs_write_seq(dsi, 0xd3, > + 0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x08, > + 0x08, 0x03, 0x03, 0x22, 0x18, 0x07, 0x07, 0x07, > + 0x07, 0x32, 0x10, 0x06, 0x00, 0x06, 0x32, 0x10, > + 0x07, 0x00, 0x07, 0x32, 0x19, 0x31, 0x09, 0x31, > + 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x08, > + 0x09, 0x30, 0x00, 0x00, 0x00, 0x06, 0x0d, 0x00, > + 0x0f); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x01); > + mipi_dsi_dcs_write_seq(dsi, 0xd3, > + 0x00, 0x00, 0x19, 0x10, 0x00, 0x0a, 0x00, 0x81); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xd5, > + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, > + 0xc0, 0xc0, 0x18, 0x18, 0x19, 0x19, 0x18, 0x18, > + 0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x3f, 0x3f, > + 0x28, 0x28, 0x24, 0x24, 0x02, 0x03, 0x02, 0x03, > + 0x00, 0x01, 0x00, 0x01, 0x31, 0x31, 0x31, 0x31, > + 0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f); > + mipi_dsi_dcs_write_seq(dsi, 0xd6, > + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, > + 0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x19, 0x19, > + 0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x3f, 0x3f, > + 0x24, 0x24, 0x28, 0x28, 0x01, 0x00, 0x01, 0x00, > + 0x03, 0x02, 0x03, 0x02, 0x31, 0x31, 0x31, 0x31, > + 0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f); > + mipi_dsi_dcs_write_seq(dsi, 0xd8, > + 0xaa, 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xea, > + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xea, 0xab, 0xaa, > + 0xaa, 0xaa, 0xaa, 0xea, 0xab, 0xaa, 0xaa, 0xaa); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x01); > + mipi_dsi_dcs_write_seq(dsi, 0xd8, > + 0xaa, 0x2e, 0x28, 0x00, 0x00, 0x00, 0xaa, 0x2e, > + 0x28, 0x00, 0x00, 0x00, 0xaa, 0xee, 0xaa, 0xaa, > + 0xaa, 0xaa, 0xaa, 0xee, 0xaa, 0xaa, 0xaa, 0xaa); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x02); > + mipi_dsi_dcs_write_seq(dsi, 0xd8, > + 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xaa, 0xff, > + 0xff, 0xff, 0xff, 0xff); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x03); > + mipi_dsi_dcs_write_seq(dsi, 0xd8, > + 0xaa, 0xaa, 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, > + 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, > + 0xff, 0xff, 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xe7, > + 0x0e, 0x0e, 0x1e, 0x65, 0x1c, 0x65, 0x00, 0x50, > + 0x20, 0x20, 0x00, 0x00, 0x02, 0x02, 0x02, 0x05, > + 0x14, 0x14, 0x32, 0xb9, 0x23, 0xb9, 0x08); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x01); > + mipi_dsi_dcs_write_seq(dsi, 0xe7, > + 0x02, 0x00, 0xa8, 0x01, 0xa8, 0x0d, 0xa4, 0x0e); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x02); > + mipi_dsi_dcs_write_seq(dsi, 0xe7, > + 0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, > + 0x00, 0x00, 0x00, 0x02, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x00); > + mipi_dsi_dcs_write_seq(dsi, 0xe9, 0xc3); > + mipi_dsi_dcs_write_seq(dsi, 0xcb, 0xd1, 0xd6); > + mipi_dsi_dcs_write_seq(dsi, 0xe9, 0x3f); > + mipi_dsi_dcs_write_seq(dsi, 0xe9, 0xc6); > + mipi_dsi_dcs_write_seq(dsi, 0xbf, 0x37); > + mipi_dsi_dcs_write_seq(dsi, 0xe9, 0x3f); > + > + 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(150); > + > + 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 hx83112a_disable(struct drm_panel *panel) > +{ > + struct hx83112a_panel *ctx = to_hx83112a_panel(panel); > + 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(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; > + } > + msleep(120); > + > + return 0; > +} > + > +static int hx83112a_prepare(struct drm_panel *panel) > +{ > + struct hx83112a_panel *ctx = to_hx83112a_panel(panel); > + struct device *dev = &ctx->dsi->dev; > + int ret; > + > + if (ctx->prepared) > + return 0; > + > + 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; > + } > + > + hx83112a_reset(ctx); > + > + ret = hx83112a_on(ctx); > + if (ret < 0) { > + dev_err(dev, "Failed to initialize panel: %d\n", ret); > + gpiod_set_value_cansleep(ctx->reset_gpio, 1); > + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); > + return ret; > + } > + > + ctx->prepared = true; > + return 0; > +} > + > +static int hx83112a_unprepare(struct drm_panel *panel) > +{ > + struct hx83112a_panel *ctx = to_hx83112a_panel(panel); > + > + if (!ctx->prepared) > + return 0; > + > + gpiod_set_value_cansleep(ctx->reset_gpio, 1); > + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); > + > + ctx->prepared = false; > + return 0; > +} > + > +static const struct drm_display_mode hx83112a_mode = { > + .clock = (1080 + 28 + 8 + 8) * (2340 + 27 + 5 + 5) * 60 / 1000, > + .hdisplay = 1080, > + .hsync_start = 1080 + 28, > + .hsync_end = 1080 + 28 + 8, > + .htotal = 1080 + 28 + 8 + 8, > + .vdisplay = 2340, > + .vsync_start = 2340 + 27, > + .vsync_end = 2340 + 27 + 5, > + .vtotal = 2340 + 27 + 5 + 5, > + .width_mm = 65, > + .height_mm = 115, > +}; > + > +static int hx83112a_get_modes(struct drm_panel *panel, > + struct drm_connector *connector) > +{ > + struct drm_display_mode *mode; > + > + mode = drm_mode_duplicate(connector->dev, &hx83112a_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); This looks like drm_connector_helper_get_modes_fixed() > + > + return 1; > +} > + > +static const struct drm_panel_funcs hx83112a_panel_funcs = { > + .prepare = hx83112a_prepare, > + .unprepare = hx83112a_unprepare, > + .disable = hx83112a_disable, > + .get_modes = hx83112a_get_modes, > +}; > + > +static int hx83112a_probe(struct mipi_dsi_device *dsi) > +{ > + struct device *dev = &dsi->dev; > + struct hx83112a_panel *ctx; > + int ret; > + > + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); > + if (!ctx) > + return -ENOMEM; > + > + ctx->supplies[0].supply = "vdd1"; > + ctx->supplies[1].supply = "vsn"; > + ctx->supplies[2].supply = "vsp"; > + 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->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); > + if (IS_ERR(ctx->reset_gpio)) > + return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), > + "Failed to get 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_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | > + MIPI_DSI_MODE_VIDEO_HSE | > + MIPI_DSI_CLOCK_NON_CONTINUOUS; > + > + drm_panel_init(&ctx->panel, dev, &hx83112a_panel_funcs, > + DRM_MODE_CONNECTOR_DSI); > + ctx->panel.prepare_prev_first = true; > + > + 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); Probably this can become dev_err_probe() too. > + drm_panel_remove(&ctx->panel); > + return ret; > + } > + > + return 0; > +} > + > +static void hx83112a_remove(struct mipi_dsi_device *dsi) > +{ > + struct hx83112a_panel *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 hx83112a_of_match[] = { > + { .compatible = "fairphone,fp4-hx83112a-djn" }, > + { /* sentinel */ } > +}; > +MODULE_DEVICE_TABLE(of, hx83112a_of_match); > + > +static struct mipi_dsi_driver hx83112a_driver = { > + .probe = hx83112a_probe, > + .remove = hx83112a_remove, > + .driver = { > + .name = "panel-himax-hx83112a", > + .of_match_table = hx83112a_of_match, > + }, > +}; > +module_mipi_dsi_driver(hx83112a_driver); > + > +MODULE_DESCRIPTION("DRM driver for hx83112a-equipped DSI panels"); > +MODULE_LICENSE("GPL"); > > -- > 2.43.0 >
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig index 99e14dc212ec..e98d329826f2 100644 --- a/drivers/gpu/drm/panel/Kconfig +++ b/drivers/gpu/drm/panel/Kconfig @@ -162,6 +162,15 @@ config DRM_PANEL_FEIYANG_FY07024DI26A30D Say Y if you want to enable support for panels based on the Feiyang FY07024DI26A30-D MIPI-DSI interface. +config DRM_PANEL_HIMAX_HX83112A + tristate "Himax HX83112A-based DSI 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 Himax HX83112A-based + display panels, such as the one found in the Fairphone 4 smartphone. + config DRM_PANEL_HIMAX_HX8394 tristate "HIMAX HX8394 MIPI-DSI LCD panels" depends on OF diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index d10c3de51c6d..c2fc4c8c8340 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_DRM_PANEL_EBBG_FT8719) += panel-ebbg-ft8719.o obj-$(CONFIG_DRM_PANEL_ELIDA_KD35T133) += panel-elida-kd35t133.o obj-$(CONFIG_DRM_PANEL_FEIXIN_K101_IM2BA02) += panel-feixin-k101-im2ba02.o obj-$(CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D) += panel-feiyang-fy07024di26a30d.o +obj-$(CONFIG_DRM_PANEL_HIMAX_HX83112A) += panel-himax-hx83112a.o obj-$(CONFIG_DRM_PANEL_HIMAX_HX8394) += panel-himax-hx8394.o obj-$(CONFIG_DRM_PANEL_ILITEK_IL9322) += panel-ilitek-ili9322.o obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9341) += panel-ilitek-ili9341.o diff --git a/drivers/gpu/drm/panel/panel-himax-hx83112a.c b/drivers/gpu/drm/panel/panel-himax-hx83112a.c new file mode 100644 index 000000000000..ce86aad11bf5 --- /dev/null +++ b/drivers/gpu/drm/panel/panel-himax-hx83112a.c @@ -0,0 +1,372 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree. + * Copyright (c) 2024 Luca Weiss <luca.weiss@fairphone.com> + */ + +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regulator/consumer.h> + +#include <drm/drm_mipi_dsi.h> +#include <drm/drm_modes.h> +#include <drm/drm_panel.h> + +struct hx83112a_panel { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + struct regulator_bulk_data supplies[3]; + struct gpio_desc *reset_gpio; + bool prepared; +}; + +static inline struct hx83112a_panel *to_hx83112a_panel(struct drm_panel *panel) +{ + return container_of(panel, struct hx83112a_panel, panel); +} + +static void hx83112a_reset(struct hx83112a_panel *ctx) +{ + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + msleep(20); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + msleep(20); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + msleep(50); +} + +static int hx83112a_on(struct hx83112a_panel *ctx) +{ + struct mipi_dsi_device *dsi = ctx->dsi; + struct device *dev = &dsi->dev; + int ret; + + dsi->mode_flags |= MIPI_DSI_MODE_LPM; + + mipi_dsi_dcs_write_seq(dsi, 0xb9, 0x83, 0x11, 0x2a); + mipi_dsi_dcs_write_seq(dsi, 0xb1, + 0x08, 0x28, 0x28, 0x83, 0x83, 0x4c, 0x4f, 0x33); + mipi_dsi_dcs_write_seq(dsi, 0xb2, + 0x00, 0x02, 0x00, 0x90, 0x24, 0x00, 0x08, 0x19, + 0xea, 0x11, 0x11, 0x00, 0x11, 0xa3); + mipi_dsi_dcs_write_seq(dsi, 0xb4, + 0x58, 0x68, 0x58, 0x68, 0x0f, 0xef, 0x0b, 0xc0, + 0x0b, 0xc0, 0x0b, 0xc0, 0x00, 0xff, 0x00, 0xff, + 0x00, 0x00, 0x14, 0x15, 0x00, 0x29, 0x11, 0x07, + 0x12, 0x00, 0x29); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0xb4, + 0x00, 0x12, 0x12, 0x11, 0x88, 0x12, 0x12, 0x00, + 0x53); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x03); + mipi_dsi_dcs_write_seq(dsi, 0xc1, + 0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6, + 0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6, + 0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d, + 0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49, + 0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a, + 0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3, + 0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad, + 0x40); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0xc1, + 0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6, + 0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6, + 0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d, + 0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49, + 0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a, + 0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3, + 0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad, + 0x40); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xc1, + 0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6, + 0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6, + 0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d, + 0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49, + 0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a, + 0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3, + 0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad, + 0x40); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xc1, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xc7, 0x70, 0x00, 0x04, 0xe0, 0x33, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xcc, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0xd2, 0x2b, 0x2b); + mipi_dsi_dcs_write_seq(dsi, 0xd3, + 0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x08, + 0x08, 0x03, 0x03, 0x22, 0x18, 0x07, 0x07, 0x07, + 0x07, 0x32, 0x10, 0x06, 0x00, 0x06, 0x32, 0x10, + 0x07, 0x00, 0x07, 0x32, 0x19, 0x31, 0x09, 0x31, + 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x08, + 0x09, 0x30, 0x00, 0x00, 0x00, 0x06, 0x0d, 0x00, + 0x0f); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xd3, + 0x00, 0x00, 0x19, 0x10, 0x00, 0x0a, 0x00, 0x81); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xd5, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0xc0, 0xc0, 0x18, 0x18, 0x19, 0x19, 0x18, 0x18, + 0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x3f, 0x3f, + 0x28, 0x28, 0x24, 0x24, 0x02, 0x03, 0x02, 0x03, + 0x00, 0x01, 0x00, 0x01, 0x31, 0x31, 0x31, 0x31, + 0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f); + mipi_dsi_dcs_write_seq(dsi, 0xd6, + 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, + 0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x19, 0x19, + 0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x3f, 0x3f, + 0x24, 0x24, 0x28, 0x28, 0x01, 0x00, 0x01, 0x00, + 0x03, 0x02, 0x03, 0x02, 0x31, 0x31, 0x31, 0x31, + 0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f); + mipi_dsi_dcs_write_seq(dsi, 0xd8, + 0xaa, 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xea, + 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xea, 0xab, 0xaa, + 0xaa, 0xaa, 0xaa, 0xea, 0xab, 0xaa, 0xaa, 0xaa); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xd8, + 0xaa, 0x2e, 0x28, 0x00, 0x00, 0x00, 0xaa, 0x2e, + 0x28, 0x00, 0x00, 0x00, 0xaa, 0xee, 0xaa, 0xaa, + 0xaa, 0xaa, 0xaa, 0xee, 0xaa, 0xaa, 0xaa, 0xaa); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0xd8, + 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xaa, 0xff, + 0xff, 0xff, 0xff, 0xff); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x03); + mipi_dsi_dcs_write_seq(dsi, 0xd8, + 0xaa, 0xaa, 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, + 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xe7, + 0x0e, 0x0e, 0x1e, 0x65, 0x1c, 0x65, 0x00, 0x50, + 0x20, 0x20, 0x00, 0x00, 0x02, 0x02, 0x02, 0x05, + 0x14, 0x14, 0x32, 0xb9, 0x23, 0xb9, 0x08); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x01); + mipi_dsi_dcs_write_seq(dsi, 0xe7, + 0x02, 0x00, 0xa8, 0x01, 0xa8, 0x0d, 0xa4, 0x0e); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x02); + mipi_dsi_dcs_write_seq(dsi, 0xe7, + 0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, + 0x00, 0x00, 0x00, 0x02, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xbd, 0x00); + mipi_dsi_dcs_write_seq(dsi, 0xe9, 0xc3); + mipi_dsi_dcs_write_seq(dsi, 0xcb, 0xd1, 0xd6); + mipi_dsi_dcs_write_seq(dsi, 0xe9, 0x3f); + mipi_dsi_dcs_write_seq(dsi, 0xe9, 0xc6); + mipi_dsi_dcs_write_seq(dsi, 0xbf, 0x37); + mipi_dsi_dcs_write_seq(dsi, 0xe9, 0x3f); + + 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(150); + + 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 hx83112a_disable(struct drm_panel *panel) +{ + struct hx83112a_panel *ctx = to_hx83112a_panel(panel); + 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(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; + } + msleep(120); + + return 0; +} + +static int hx83112a_prepare(struct drm_panel *panel) +{ + struct hx83112a_panel *ctx = to_hx83112a_panel(panel); + struct device *dev = &ctx->dsi->dev; + int ret; + + if (ctx->prepared) + return 0; + + 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; + } + + hx83112a_reset(ctx); + + ret = hx83112a_on(ctx); + if (ret < 0) { + dev_err(dev, "Failed to initialize panel: %d\n", ret); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + return ret; + } + + ctx->prepared = true; + return 0; +} + +static int hx83112a_unprepare(struct drm_panel *panel) +{ + struct hx83112a_panel *ctx = to_hx83112a_panel(panel); + + if (!ctx->prepared) + return 0; + + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + + ctx->prepared = false; + return 0; +} + +static const struct drm_display_mode hx83112a_mode = { + .clock = (1080 + 28 + 8 + 8) * (2340 + 27 + 5 + 5) * 60 / 1000, + .hdisplay = 1080, + .hsync_start = 1080 + 28, + .hsync_end = 1080 + 28 + 8, + .htotal = 1080 + 28 + 8 + 8, + .vdisplay = 2340, + .vsync_start = 2340 + 27, + .vsync_end = 2340 + 27 + 5, + .vtotal = 2340 + 27 + 5 + 5, + .width_mm = 65, + .height_mm = 115, +}; + +static int hx83112a_get_modes(struct drm_panel *panel, + struct drm_connector *connector) +{ + struct drm_display_mode *mode; + + mode = drm_mode_duplicate(connector->dev, &hx83112a_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 hx83112a_panel_funcs = { + .prepare = hx83112a_prepare, + .unprepare = hx83112a_unprepare, + .disable = hx83112a_disable, + .get_modes = hx83112a_get_modes, +}; + +static int hx83112a_probe(struct mipi_dsi_device *dsi) +{ + struct device *dev = &dsi->dev; + struct hx83112a_panel *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->supplies[0].supply = "vdd1"; + ctx->supplies[1].supply = "vsn"; + ctx->supplies[2].supply = "vsp"; + 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->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(ctx->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), + "Failed to get 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_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST | + MIPI_DSI_MODE_VIDEO_HSE | + MIPI_DSI_CLOCK_NON_CONTINUOUS; + + drm_panel_init(&ctx->panel, dev, &hx83112a_panel_funcs, + DRM_MODE_CONNECTOR_DSI); + ctx->panel.prepare_prev_first = true; + + 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 hx83112a_remove(struct mipi_dsi_device *dsi) +{ + struct hx83112a_panel *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 hx83112a_of_match[] = { + { .compatible = "fairphone,fp4-hx83112a-djn" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, hx83112a_of_match); + +static struct mipi_dsi_driver hx83112a_driver = { + .probe = hx83112a_probe, + .remove = hx83112a_remove, + .driver = { + .name = "panel-himax-hx83112a", + .of_match_table = hx83112a_of_match, + }, +}; +module_mipi_dsi_driver(hx83112a_driver); + +MODULE_DESCRIPTION("DRM driver for hx83112a-equipped DSI panels"); +MODULE_LICENSE("GPL");
Add support for the 2340x1080 LCD DJN panel bundled with a HX83112A driver IC, as found on the Fairphone 4 smartphone. Signed-off-by: Luca Weiss <luca.weiss@fairphone.com> --- drivers/gpu/drm/panel/Kconfig | 9 + drivers/gpu/drm/panel/Makefile | 1 + drivers/gpu/drm/panel/panel-himax-hx83112a.c | 372 +++++++++++++++++++++++++++ 3 files changed, 382 insertions(+)