mirror of
https://gitee.com/bianbu-linux/linux-6.6
synced 2025-06-29 23:43:21 -04:00
drm/tiny: add driver for newhaven, 1.8-128160EF
This patch adds support for Newhaven's NHD-1.8-128160EF display, featuring an Ilitek ILI9163 controller. Signed-off-by: Daniel Mack <daniel@zonque.org> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20211015150131.1020878-3-daniel@zonque.org
This commit is contained in:
Daniel Mack
Sam Ravnborg
parent
893e46a9ae
commit
50848e3787
3 changed files with 238 additions and 0 deletions
|
|
@ -80,6 +80,19 @@ config TINYDRM_HX8357D
|
|||
|
||||
If M is selected the module will be called hx8357d.
|
||||
|
||||
config TINYDRM_ILI9163
|
||||
tristate "DRM support for ILI9163 display panels"
|
||||
depends on DRM && SPI
|
||||
select BACKLIGHT_CLASS_DEVICE
|
||||
select DRM_KMS_CMA_HELPER
|
||||
select DRM_KMS_HELPER
|
||||
select DRM_MIPI_DBI
|
||||
help
|
||||
DRM driver for the following Ilitek ILI9163 panels:
|
||||
* NHD-1.8-128160EF 128x160 TFT
|
||||
|
||||
If M is selected the module will be called ili9163.
|
||||
|
||||
config TINYDRM_ILI9225
|
||||
tristate "DRM support for ILI9225 display panels"
|
||||
depends on DRM && SPI
|
||||
|
|
|
|||
|
|
@ -6,6 +6,7 @@ obj-$(CONFIG_DRM_CIRRUS_QEMU) += cirrus.o
|
|||
obj-$(CONFIG_DRM_GM12U320) += gm12u320.o
|
||||
obj-$(CONFIG_DRM_SIMPLEDRM) += simpledrm.o
|
||||
obj-$(CONFIG_TINYDRM_HX8357D) += hx8357d.o
|
||||
obj-$(CONFIG_TINYDRM_ILI9163) += ili9163.o
|
||||
obj-$(CONFIG_TINYDRM_ILI9225) += ili9225.o
|
||||
obj-$(CONFIG_TINYDRM_ILI9341) += ili9341.o
|
||||
obj-$(CONFIG_TINYDRM_ILI9486) += ili9486.o
|
||||
|
|
|
|||
224
drivers/gpu/drm/tiny/ili9163.c
Normal file
224
drivers/gpu/drm/tiny/ili9163.c
Normal file
|
|
@ -0,0 +1,224 @@
|
|||
// SPDX-License-Identifier: GPL-2.0+
|
||||
|
||||
#include <linux/backlight.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/gpio/consumer.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/property.h>
|
||||
#include <linux/spi/spi.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>
|
||||
|
||||
#define ILI9163_FRMCTR1 0xb1
|
||||
|
||||
#define ILI9163_PWCTRL1 0xc0
|
||||
#define ILI9163_PWCTRL2 0xc1
|
||||
#define ILI9163_VMCTRL1 0xc5
|
||||
#define ILI9163_VMCTRL2 0xc7
|
||||
#define ILI9163_PWCTRLA 0xcb
|
||||
#define ILI9163_PWCTRLB 0xcf
|
||||
|
||||
#define ILI9163_EN3GAM 0xf2
|
||||
|
||||
#define ILI9163_MADCTL_BGR BIT(3)
|
||||
#define ILI9163_MADCTL_MV BIT(5)
|
||||
#define ILI9163_MADCTL_MX BIT(6)
|
||||
#define ILI9163_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 mipi_dbi_dev *dbidev = drm_to_mipi_dbi_dev(pipe->crtc.dev);
|
||||
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");
|
||||
|
||||
ret = mipi_dbi_poweron_conditional_reset(dbidev);
|
||||
if (ret < 0)
|
||||
goto out_exit;
|
||||
if (ret == 1)
|
||||
goto out_enable;
|
||||
|
||||
/* Gamma */
|
||||
mipi_dbi_command(dbi, MIPI_DCS_SET_GAMMA_CURVE, 0x04);
|
||||
mipi_dbi_command(dbi, ILI9163_EN3GAM, 0x00);
|
||||
|
||||
/* Frame Rate */
|
||||
mipi_dbi_command(dbi, ILI9163_FRMCTR1, 0x0a, 0x14);
|
||||
|
||||
/* Power Control */
|
||||
mipi_dbi_command(dbi, ILI9163_PWCTRL1, 0x0a, 0x00);
|
||||
mipi_dbi_command(dbi, ILI9163_PWCTRL2, 0x02);
|
||||
|
||||
/* VCOM */
|
||||
mipi_dbi_command(dbi, ILI9163_VMCTRL1, 0x2f, 0x3e);
|
||||
mipi_dbi_command(dbi, ILI9163_VMCTRL2, 0x40);
|
||||
|
||||
/* Memory Access Control */
|
||||
mipi_dbi_command(dbi, MIPI_DCS_SET_PIXEL_FORMAT, MIPI_DCS_PIXEL_FMT_16BIT);
|
||||
|
||||
mipi_dbi_command(dbi, MIPI_DCS_EXIT_SLEEP_MODE);
|
||||
msleep(100);
|
||||
|
||||
mipi_dbi_command(dbi, MIPI_DCS_SET_DISPLAY_ON);
|
||||
msleep(100);
|
||||
|
||||
out_enable:
|
||||
switch (dbidev->rotation) {
|
||||
default:
|
||||
addr_mode = ILI9163_MADCTL_MX | ILI9163_MADCTL_MY;
|
||||
break;
|
||||
case 90:
|
||||
addr_mode = ILI9163_MADCTL_MX | ILI9163_MADCTL_MV;
|
||||
break;
|
||||
case 180:
|
||||
addr_mode = 0;
|
||||
break;
|
||||
case 270:
|
||||
addr_mode = ILI9163_MADCTL_MY | ILI9163_MADCTL_MV;
|
||||
break;
|
||||
}
|
||||
addr_mode |= ILI9163_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);
|
||||
}
|
||||
|
||||
static const struct drm_simple_display_pipe_funcs ili9163_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_display_mode yx240qv29_mode = {
|
||||
DRM_SIMPLE_MODE(128, 160, 28, 35),
|
||||
};
|
||||
|
||||
DEFINE_DRM_GEM_CMA_FOPS(ili9163_fops);
|
||||
|
||||
static struct drm_driver ili9163_driver = {
|
||||
.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
|
||||
.fops = &ili9163_fops,
|
||||
DRM_GEM_CMA_DRIVER_OPS_VMAP,
|
||||
.debugfs_init = mipi_dbi_debugfs_init,
|
||||
.name = "ili9163",
|
||||
.desc = "Ilitek ILI9163",
|
||||
.date = "20210208",
|
||||
.major = 1,
|
||||
.minor = 0,
|
||||
};
|
||||
|
||||
static const struct of_device_id ili9163_of_match[] = {
|
||||
{ .compatible = "newhaven,1.8-128160EF" },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, ili9163_of_match);
|
||||
|
||||
static const struct spi_device_id ili9163_id[] = {
|
||||
{ "nhd-1.8-128160EF", 0 },
|
||||
{ }
|
||||
};
|
||||
MODULE_DEVICE_TABLE(spi, ili9163_id);
|
||||
|
||||
static int ili9163_probe(struct spi_device *spi)
|
||||
{
|
||||
struct device *dev = &spi->dev;
|
||||
struct mipi_dbi_dev *dbidev;
|
||||
struct drm_device *drm;
|
||||
struct mipi_dbi *dbi;
|
||||
struct gpio_desc *dc;
|
||||
u32 rotation = 0;
|
||||
int ret;
|
||||
|
||||
dbidev = devm_drm_dev_alloc(dev, &ili9163_driver,
|
||||
struct mipi_dbi_dev, drm);
|
||||
if (IS_ERR(dbidev))
|
||||
return PTR_ERR(dbidev);
|
||||
|
||||
dbi = &dbidev->dbi;
|
||||
drm = &dbidev->drm;
|
||||
|
||||
spi_set_drvdata(spi, drm);
|
||||
|
||||
dbi->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
|
||||
if (IS_ERR(dbi->reset)) {
|
||||
DRM_DEV_ERROR(dev, "Failed to get gpio 'reset'\n");
|
||||
return PTR_ERR(dbi->reset);
|
||||
}
|
||||
|
||||
dc = devm_gpiod_get_optional(dev, "dc", GPIOD_OUT_LOW);
|
||||
if (IS_ERR(dc)) {
|
||||
DRM_DEV_ERROR(dev, "Failed to get gpio 'dc'\n");
|
||||
return PTR_ERR(dc);
|
||||
}
|
||||
|
||||
dbidev->backlight = devm_of_find_backlight(dev);
|
||||
if (IS_ERR(dbidev->backlight))
|
||||
return PTR_ERR(dbidev->backlight);
|
||||
|
||||
device_property_read_u32(dev, "rotation", &rotation);
|
||||
|
||||
ret = mipi_dbi_spi_init(spi, dbi, dc);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = mipi_dbi_dev_init(dbidev, &ili9163_pipe_funcs, &yx240qv29_mode, rotation);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
drm_mode_config_reset(drm);
|
||||
|
||||
ret = drm_dev_register(drm, 0);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
drm_fbdev_generic_setup(drm, 0);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ili9163_remove(struct spi_device *spi)
|
||||
{
|
||||
struct drm_device *drm = spi_get_drvdata(spi);
|
||||
|
||||
drm_dev_unplug(drm);
|
||||
drm_atomic_helper_shutdown(drm);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void ili9163_shutdown(struct spi_device *spi)
|
||||
{
|
||||
drm_atomic_helper_shutdown(spi_get_drvdata(spi));
|
||||
}
|
||||
|
||||
static struct spi_driver ili9163_spi_driver = {
|
||||
.driver = {
|
||||
.name = "ili9163",
|
||||
.of_match_table = ili9163_of_match,
|
||||
},
|
||||
.id_table = ili9163_id,
|
||||
.probe = ili9163_probe,
|
||||
.remove = ili9163_remove,
|
||||
.shutdown = ili9163_shutdown,
|
||||
};
|
||||
module_spi_driver(ili9163_spi_driver);
|
||||
|
||||
MODULE_DESCRIPTION("Ilitek ILI9163 DRM driver");
|
||||
MODULE_AUTHOR("Daniel Mack <daniel@zonque.org>");
|
||||
MODULE_LICENSE("GPL");
|
||||
Loading…
Add table
Add a link
Reference in a new issue