Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Daniel Mack | 891 | 98.89% | 1 | 16.67% |
Thomas Zimmermann | 5 | 0.55% | 2 | 33.33% |
Danilo Krummrich | 3 | 0.33% | 1 | 16.67% |
Uwe Kleine-König | 1 | 0.11% | 1 | 16.67% |
Sam Ravnborg | 1 | 0.11% | 1 | 16.67% |
Total | 901 | 6 |
// 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_fbdev_dma.h> #include <drm/drm_gem_atomic_helper.h> #include <drm/drm_gem_dma_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 = { DRM_MIPI_DBI_SIMPLE_DISPLAY_PIPE_FUNCS(yx240qv29_enable), }; static const struct drm_display_mode yx240qv29_mode = { DRM_SIMPLE_MODE(128, 160, 28, 35), }; DEFINE_DRM_GEM_DMA_FOPS(ili9163_fops); static struct drm_driver ili9163_driver = { .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, .fops = &ili9163_fops, DRM_GEM_DMA_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_dma_setup(drm, 0); return 0; } static void ili9163_remove(struct spi_device *spi) { struct drm_device *drm = spi_get_drvdata(spi); drm_dev_unplug(drm); drm_atomic_helper_shutdown(drm); } 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");
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