// SPDX-License-Identifier: GPL-2.0-or-later /* * DRM driver for Ilitek ILI9225 panels * * Copyright 2017 David Lechner <[email protected]> * * Some code copied from mipi-dbi.c * Copyright 2016 Noralf Trønnes */ #include <linux/delay.h> #include <linux/dma-buf.h> #include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/property.h> #include <linux/spi/spi.h> #include <video/mipi_display.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_damage_helper.h> #include <drm/drm_drv.h> #include <drm/drm_fb_dma_helper.h> #include <drm/drm_fbdev_dma.h> #include <drm/drm_fourcc.h> #include <drm/drm_framebuffer.h> #include <drm/drm_gem_atomic_helper.h> #include <drm/drm_gem_dma_helper.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_managed.h> #include <drm/drm_mipi_dbi.h> #include <drm/drm_rect.h> #define ILI9225_DRIVER_READ_CODE … #define ILI9225_DRIVER_OUTPUT_CONTROL … #define ILI9225_LCD_AC_DRIVING_CONTROL … #define ILI9225_ENTRY_MODE … #define ILI9225_DISPLAY_CONTROL_1 … #define ILI9225_BLANK_PERIOD_CONTROL_1 … #define ILI9225_FRAME_CYCLE_CONTROL … #define ILI9225_INTERFACE_CONTROL … #define ILI9225_OSCILLATION_CONTROL … #define ILI9225_POWER_CONTROL_1 … #define ILI9225_POWER_CONTROL_2 … #define ILI9225_POWER_CONTROL_3 … #define ILI9225_POWER_CONTROL_4 … #define ILI9225_POWER_CONTROL_5 … #define ILI9225_VCI_RECYCLING … #define ILI9225_RAM_ADDRESS_SET_1 … #define ILI9225_RAM_ADDRESS_SET_2 … #define ILI9225_WRITE_DATA_TO_GRAM … #define ILI9225_SOFTWARE_RESET … #define ILI9225_GATE_SCAN_CONTROL … #define ILI9225_VERTICAL_SCROLL_1 … #define ILI9225_VERTICAL_SCROLL_2 … #define ILI9225_VERTICAL_SCROLL_3 … #define ILI9225_PARTIAL_DRIVING_POS_1 … #define ILI9225_PARTIAL_DRIVING_POS_2 … #define ILI9225_HORIZ_WINDOW_ADDR_1 … #define ILI9225_HORIZ_WINDOW_ADDR_2 … #define ILI9225_VERT_WINDOW_ADDR_1 … #define ILI9225_VERT_WINDOW_ADDR_2 … #define ILI9225_GAMMA_CONTROL_1 … #define ILI9225_GAMMA_CONTROL_2 … #define ILI9225_GAMMA_CONTROL_3 … #define ILI9225_GAMMA_CONTROL_4 … #define ILI9225_GAMMA_CONTROL_5 … #define ILI9225_GAMMA_CONTROL_6 … #define ILI9225_GAMMA_CONTROL_7 … #define ILI9225_GAMMA_CONTROL_8 … #define ILI9225_GAMMA_CONTROL_9 … #define ILI9225_GAMMA_CONTROL_10 … static inline int ili9225_command(struct mipi_dbi *dbi, u8 cmd, u16 data) { … } static void ili9225_fb_dirty(struct iosys_map *src, struct drm_framebuffer *fb, struct drm_rect *rect, struct drm_format_conv_state *fmtcnv_state) { … } static void ili9225_pipe_update(struct drm_simple_display_pipe *pipe, struct drm_plane_state *old_state) { … } static void ili9225_pipe_enable(struct drm_simple_display_pipe *pipe, struct drm_crtc_state *crtc_state, struct drm_plane_state *plane_state) { … } static void ili9225_pipe_disable(struct drm_simple_display_pipe *pipe) { … } static int ili9225_dbi_command(struct mipi_dbi *dbi, u8 *cmd, u8 *par, size_t num) { … } static const struct drm_simple_display_pipe_funcs ili9225_pipe_funcs = …; static const struct drm_display_mode ili9225_mode = …; DEFINE_DRM_GEM_DMA_FOPS(ili9225_fops); static const struct drm_driver ili9225_driver = …; static const struct of_device_id ili9225_of_match[] = …; MODULE_DEVICE_TABLE(of, ili9225_of_match); static const struct spi_device_id ili9225_id[] = …; MODULE_DEVICE_TABLE(spi, ili9225_id); static int ili9225_probe(struct spi_device *spi) { … } static void ili9225_remove(struct spi_device *spi) { … } static void ili9225_shutdown(struct spi_device *spi) { … } static struct spi_driver ili9225_spi_driver = …; module_spi_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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