@@ -5108,6 +5108,13 @@ S: Maintained
F: drivers/gpu/drm/tiny/ili9225.c
F: Documentation/devicetree/bindings/display/ilitek,ili9225.txt
+DRM DRIVER FOR ILITEK ILI9341 PANELS
+M: David Lechner <david@lechnology.com>
+T: git git://anongit.freedesktop.org/drm/drm-misc
+S: Maintained
+F: drivers/gpu/drm/panel/panel-ilitek-ili9341.c
+F: Documentation/devicetree/bindings/display/ilitek,ili9341.txt
+
DRM DRIVER FOR HX8357D PANELS
M: Eric Anholt <eric@anholt.net>
T: git git://anongit.freedesktop.org/drm/drm-misc
@@ -56,6 +56,18 @@ config DRM_PANEL_ILITEK_IL9322
Say Y here if you want to enable support for Ilitek IL9322
QVGA (320x240) RGB, YUV and ITU-T BT.656 panels.
+config DRM_PANEL_ILITEK_ILI9341
+ tristate "Ilitek ILI9341 display panels"
+ depends on SPI
+ depends on BACKLIGHT_CLASS_DEVICE
+ select DRM_KMS_CMA_HELPER
+ select DRM_MIPI_DBI
+ help
+ DRM driver for the following Ilitek ILI9341 panels:
+ * YX240QV29-T 2.4" 240x320 TFT (Adafruit 2.4")
+
+ If M is selected the module will be called panel-ilitek-ili9341.
+
config DRM_PANEL_ILITEK_ILI9881C
tristate "Ilitek ILI9881C-based panels"
depends on OF
@@ -4,6 +4,7 @@ obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o
obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o
obj-$(CONFIG_DRM_PANEL_FEIYANG_FY07024DI26A30D) += panel-feiyang-fy07024di26a30d.o
obj-$(CONFIG_DRM_PANEL_ILITEK_IL9322) += panel-ilitek-ili9322.o
+obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9341) += panel-ilitek-ili9341.o
obj-$(CONFIG_DRM_PANEL_ILITEK_ILI9881C) += panel-ilitek-ili9881c.o
obj-$(CONFIG_DRM_PANEL_INNOLUX_P079ZCA) += panel-innolux-p079zca.o
obj-$(CONFIG_DRM_PANEL_JDI_LT070ME05000) += panel-jdi-lt070me05000.o
similarity index 66%
rename from drivers/gpu/drm/tiny/ili9341.c
rename to drivers/gpu/drm/panel/panel-ilitek-ili9341.c
@@ -12,17 +12,17 @@
#include <linux/delay.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
+#include <linux/of_device.h>
#include <linux/property.h>
#include <linux/spi/spi.h>
+#include <video/mipi_display.h>
+
#include <drm/drm_atomic_helper.h>
#include <drm/drm_drv.h>
-#include <drm/drm_fb_helper.h>
#include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
#include <drm/drm_mipi_dbi.h>
-#include <drm/drm_modeset_helper.h>
-#include <video/mipi_display.h>
+#include <drm/drm_panel.h>
#define ILI9341_FRMCTR1 0xb1
#define ILI9341_DISCTRL 0xb6
@@ -49,23 +49,48 @@
#define ILI9341_MADCTL_MX BIT(6)
#define ILI9341_MADCTL_MY BIT(7)
-static void yx240qv29_enable(struct drm_simple_display_pipe *pipe,
- struct drm_crtc_state *crtc_state,
- struct drm_plane_state *plane_state)
+struct ili9341_config {
+ const struct drm_panel_funcs *funcs;
+ const struct drm_display_mode *mode;
+};
+
+struct ili9341 {
+ struct mipi_dbi_dev dbidev; /* This must be the first entry */
+ struct drm_panel panel;
+ struct backlight_device *backlight;
+ const struct ili9341_config *conf;
+};
+
+static inline struct ili9341 *panel_to_ili9341(struct drm_panel *panel)
{
- struct mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(pipe->crtc.dev);
+ return container_of(panel, struct ili9341, panel);
+}
+
+static int ili9341_enable(struct drm_panel *panel)
+{
+ struct ili9341 *ili = panel_to_ili9341(panel);
+
+ return backlight_enable(ili->backlight);
+}
+
+static int ili9341_disable(struct drm_panel *panel)
+{
+ struct ili9341 *ili = panel_to_ili9341(panel);
+
+ return backlight_disable(ili->backlight);
+}
+
+static int yx240qv29_prepare(struct drm_panel *panel)
+{
+ struct ili9341 *ili = panel_to_ili9341(panel);
+ struct mipi_dbi_dev *dbidev = &ili->dbidev;
struct mipi_dbi *dbi = &dbidev->dbi;
u8 addr_mode;
- int ret, idx;
-
- if (!drm_dev_enter(pipe->crtc.dev, &idx))
- return;
-
- DRM_DEBUG_KMS("\n");
+ int ret;
ret = mipi_dbi_poweron_conditional_reset(dbidev);
if (ret < 0)
- goto out_exit;
+ return ret;
if (ret == 1)
goto out_enable;
@@ -130,72 +155,54 @@ static void yx240qv29_enable(struct drm_simple_display_pipe *pipe,
}
addr_mode |= ILI9341_MADCTL_BGR;
mipi_dbi_command(dbi, MIPI_DCS_SET_ADDRESS_MODE, addr_mode);
- mipi_dbi_enable_flush(dbidev, crtc_state, plane_state);
-out_exit:
- drm_dev_exit(idx);
+
+ return 0;
}
-static const struct drm_simple_display_pipe_funcs ili9341_pipe_funcs = {
- .enable = yx240qv29_enable,
- .disable = mipi_dbi_pipe_disable,
- .update = mipi_dbi_pipe_update,
- .prepare_fb = drm_gem_fb_simple_display_pipe_prepare_fb,
+static const struct drm_panel_funcs yx240qv29_funcs = {
+ .disable = ili9341_disable,
+ .prepare = yx240qv29_prepare,
+ .enable = ili9341_enable,
};
static const struct drm_display_mode yx240qv29_mode = {
DRM_SIMPLE_MODE(240, 320, 37, 49),
};
-DEFINE_DRM_GEM_CMA_FOPS(ili9341_fops);
-
-static struct drm_driver ili9341_driver = {
- .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
- .fops = &ili9341_fops,
- .release = mipi_dbi_release,
- DRM_GEM_CMA_VMAP_DRIVER_OPS,
- .debugfs_init = mipi_dbi_debugfs_init,
- .name = "ili9341",
- .desc = "Ilitek ILI9341",
- .date = "20180514",
- .major = 1,
- .minor = 0,
+static const struct ili9341_config yx240qv29_data = {
+ .funcs = &yx240qv29_funcs,
+ .mode = &yx240qv29_mode,
};
-static const struct of_device_id ili9341_of_match[] = {
- { .compatible = "adafruit,yx240qv29" },
- { }
-};
-MODULE_DEVICE_TABLE(of, ili9341_of_match);
-
-static const struct spi_device_id ili9341_id[] = {
- { "yx240qv29", 0 },
- { }
-};
-MODULE_DEVICE_TABLE(spi, ili9341_id);
+DEFINE_DRM_MIPI_DBI_PANEL_DRIVER(ili9341, "Ilitek ILI9341", "20180514");
static int ili9341_probe(struct spi_device *spi)
{
+ const struct spi_device_id *spi_id;
struct device *dev = &spi->dev;
- struct mipi_dbi_dev *dbidev;
- struct drm_device *drm;
struct mipi_dbi *dbi;
struct gpio_desc *dc;
+ struct ili9341 *ili;
u32 rotation = 0;
int ret;
- dbidev = kzalloc(sizeof(*dbidev), GFP_KERNEL);
- if (!dbidev)
+ ili = kzalloc(sizeof(*ili), GFP_KERNEL);
+ if (!ili)
return -ENOMEM;
- dbi = &dbidev->dbi;
- drm = &dbidev->drm;
- ret = devm_drm_dev_init(dev, drm, &ili9341_driver);
- if (ret) {
- kfree(dbidev);
- return ret;
+ ili->conf = of_device_get_match_data(dev);
+ if (!ili->conf) {
+ spi_id = spi_get_device_id(spi);
+ if (spi_id)
+ ili->conf = (struct ili9341_config *)spi_id->driver_data;
}
- drm_mode_config_init(drm);
+ if (!ili->conf)
+ return -ENODEV;
+
+ spi_set_drvdata(spi, ili);
+
+ dbi = &ili->dbidev.dbi;
dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(dbi->reset)) {
@@ -209,9 +216,9 @@ static int ili9341_probe(struct spi_device *spi)
return PTR_ERR(dc);
}
- dbidev->backlight = devm_of_find_backlight(dev);
- if (IS_ERR(dbidev->backlight))
- return PTR_ERR(dbidev->backlight);
+ ili->backlight = devm_of_find_backlight(dev);
+ if (IS_ERR(ili->backlight))
+ return PTR_ERR(ili->backlight);
device_property_read_u32(dev, "rotation", &rotation);
@@ -219,41 +226,46 @@ static int ili9341_probe(struct spi_device *spi)
if (ret)
return ret;
- ret = mipi_dbi_dev_init(dbidev, &ili9341_pipe_funcs, &yx240qv29_mode, rotation);
- if (ret)
- return ret;
+ drm_panel_init(&ili->panel);
+ ili->panel.dev = dev;
+ ili->panel.funcs = ili->conf->funcs;
- drm_mode_config_reset(drm);
-
- ret = drm_dev_register(drm, 0);
- if (ret)
- return ret;
-
- spi_set_drvdata(spi, drm);
-
- drm_fbdev_generic_setup(drm, 0);
-
- return 0;
+ return drm_mipi_dbi_panel_register(&ili->panel, &ili->dbidev, &ili9341_drm_driver,
+ ili->conf->mode, rotation);
}
static int ili9341_remove(struct spi_device *spi)
{
- struct drm_device *drm = spi_get_drvdata(spi);
+ struct ili9341 *ili = spi_get_drvdata(spi);
- drm_dev_unplug(drm);
- drm_atomic_helper_shutdown(drm);
+ drm_dev_unplug(&ili->dbidev.drm);
+ drm_atomic_helper_shutdown(&ili->dbidev.drm);
return 0;
}
static void ili9341_shutdown(struct spi_device *spi)
{
- drm_atomic_helper_shutdown(spi_get_drvdata(spi));
+ struct ili9341 *ili = spi_get_drvdata(spi);
+
+ drm_atomic_helper_shutdown(&ili->dbidev.drm);
}
+static const struct of_device_id ili9341_of_match[] = {
+ { .compatible = "adafruit,yx240qv29", .data = &yx240qv29_data },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ili9341_of_match);
+
+static const struct spi_device_id ili9341_id[] = {
+ { "yx240qv29", (unsigned long)&yx240qv29_data },
+ { }
+};
+MODULE_DEVICE_TABLE(spi, ili9341_id);
+
static struct spi_driver ili9341_spi_driver = {
.driver = {
- .name = "ili9341",
+ .name = "panel-ilitek-ili9341",
.of_match_table = ili9341_of_match,
},
.id_table = ili9341_id,
@@ -263,6 +275,6 @@ static struct spi_driver ili9341_spi_driver = {
};
module_spi_driver(ili9341_spi_driver);
-MODULE_DESCRIPTION("Ilitek ILI9341 DRM driver");
+MODULE_DESCRIPTION("Ilitek ILI9341 panel driver");
MODULE_AUTHOR("David Lechner <david@lechnology.com>");
MODULE_LICENSE("GPL");
@@ -34,19 +34,6 @@ config TINYDRM_ILI9225
If M is selected the module will be called ili9225.
-config TINYDRM_ILI9341
- tristate "DRM support for ILI9341 display panels"
- depends on DRM && SPI
- select DRM_KMS_HELPER
- select DRM_KMS_CMA_HELPER
- select DRM_MIPI_DBI
- select BACKLIGHT_CLASS_DEVICE
- help
- DRM driver for the following Ilitek ILI9341 panels:
- * YX240QV29-T 2.4" 240x320 TFT (Adafruit 2.4")
-
- If M is selected the module will be called ili9341.
-
config TINYDRM_MI0283QT
tristate "DRM support for MI0283QT"
depends on DRM && SPI
@@ -3,7 +3,6 @@
obj-$(CONFIG_DRM_GM12U320) += gm12u320.o
obj-$(CONFIG_TINYDRM_HX8357D) += hx8357d.o
obj-$(CONFIG_TINYDRM_ILI9225) += ili9225.o
-obj-$(CONFIG_TINYDRM_ILI9341) += ili9341.o
obj-$(CONFIG_TINYDRM_MI0283QT) += mi0283qt.o
obj-$(CONFIG_TINYDRM_REPAPER) += repaper.o
obj-$(CONFIG_TINYDRM_ST7586) += st7586.o
Move the driver to drm/panel and take advantage of the new panel support in drm_mipi_dbi. Change the file name to match the naming standard in drm/panel. The DRM driver name is kept since it is ABI. Add missing MAINTAINERS entry. Cc: David Lechner <david@lechnology.com> Signed-off-by: Noralf Trønnes <noralf@tronnes.org> --- MAINTAINERS | 7 + drivers/gpu/drm/panel/Kconfig | 12 ++ drivers/gpu/drm/panel/Makefile | 1 + .../panel-ilitek-ili9341.c} | 174 ++++++++++-------- drivers/gpu/drm/tiny/Kconfig | 13 -- drivers/gpu/drm/tiny/Makefile | 1 - 6 files changed, 113 insertions(+), 95 deletions(-) rename drivers/gpu/drm/{tiny/ili9341.c => panel/panel-ilitek-ili9341.c} (66%)