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Diffstat (limited to 'include/drm/tinydrm/mipi-dbi.h')
-rw-r--r-- | include/drm/tinydrm/mipi-dbi.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/include/drm/tinydrm/mipi-dbi.h b/include/drm/tinydrm/mipi-dbi.h deleted file mode 100644 index 51fc667beef7..000000000000 --- a/include/drm/tinydrm/mipi-dbi.h +++ /dev/null @@ -1,117 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * MIPI Display Bus Interface (DBI) LCD controller support - * - * Copyright 2016 Noralf Trønnes - */ - -#ifndef __LINUX_MIPI_DBI_H -#define __LINUX_MIPI_DBI_H - -#include <linux/mutex.h> -#include <drm/drm_device.h> -#include <drm/drm_simple_kms_helper.h> - -struct drm_rect; -struct spi_device; -struct gpio_desc; -struct regulator; - -/** - * struct mipi_dbi - MIPI DBI controller - * @spi: SPI device - * @enabled: Pipeline is enabled - * @cmdlock: Command lock - * @command: Bus specific callback executing commands. - * @read_commands: Array of read commands terminated by a zero entry. - * Reading is disabled if this is NULL. - * @dc: Optional D/C gpio. - * @tx_buf: Buffer used for transfer (copy clip rect area) - * @tx_buf9: Buffer used for Option 1 9-bit conversion - * @tx_buf9_len: Size of tx_buf9. - * @swap_bytes: Swap bytes in buffer before transfer - * @reset: Optional reset gpio - * @rotation: initial rotation in degrees Counter Clock Wise - * @backlight: backlight device (optional) - * @regulator: power regulator (optional) - */ -struct mipi_dbi { - /** - * @drm: DRM device - */ - struct drm_device drm; - - /** - * @pipe: Display pipe structure - */ - struct drm_simple_display_pipe pipe; - - struct spi_device *spi; - bool enabled; - struct mutex cmdlock; - int (*command)(struct mipi_dbi *mipi, u8 *cmd, u8 *param, size_t num); - const u8 *read_commands; - struct gpio_desc *dc; - u16 *tx_buf; - void *tx_buf9; - size_t tx_buf9_len; - bool swap_bytes; - struct gpio_desc *reset; - unsigned int rotation; - struct backlight_device *backlight; - struct regulator *regulator; -}; - -static inline struct mipi_dbi *drm_to_mipi_dbi(struct drm_device *drm) -{ - return container_of(drm, struct mipi_dbi, drm); -} - -int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *mipi, - struct gpio_desc *dc); -int mipi_dbi_init(struct mipi_dbi *mipi, - const struct drm_simple_display_pipe_funcs *funcs, - const struct drm_display_mode *mode, unsigned int rotation); -void mipi_dbi_release(struct drm_device *drm); -void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe, - struct drm_plane_state *old_state); -void mipi_dbi_enable_flush(struct mipi_dbi *mipi, - struct drm_crtc_state *crtc_state, - struct drm_plane_state *plan_state); -void mipi_dbi_pipe_disable(struct drm_simple_display_pipe *pipe); -void mipi_dbi_hw_reset(struct mipi_dbi *mipi); -bool mipi_dbi_display_is_on(struct mipi_dbi *mipi); -int mipi_dbi_poweron_reset(struct mipi_dbi *mipi); -int mipi_dbi_poweron_conditional_reset(struct mipi_dbi *mipi); -u32 mipi_dbi_spi_cmd_max_speed(struct spi_device *spi, size_t len); - -int mipi_dbi_command_read(struct mipi_dbi *mipi, u8 cmd, u8 *val); -int mipi_dbi_command_buf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len); -int mipi_dbi_command_stackbuf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len); -int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb, - struct drm_rect *clip, bool swap); -/** - * mipi_dbi_command - MIPI DCS command with optional parameter(s) - * @mipi: MIPI structure - * @cmd: Command - * @seq...: Optional parameter(s) - * - * Send MIPI DCS command to the controller. Use mipi_dbi_command_read() for - * get/read. - * - * Returns: - * Zero on success, negative error code on failure. - */ -#define mipi_dbi_command(mipi, cmd, seq...) \ -({ \ - u8 d[] = { seq }; \ - mipi_dbi_command_stackbuf(mipi, cmd, d, ARRAY_SIZE(d)); \ -}) - -#ifdef CONFIG_DEBUG_FS -int mipi_dbi_debugfs_init(struct drm_minor *minor); -#else -#define mipi_dbi_debugfs_init NULL -#endif - -#endif /* __LINUX_MIPI_DBI_H */ |