Gecko [ v99win.today ]

Name	Size	Permission
bridge	[ DIR ]	drwxr-xr-x
i2c	[ DIR ]	drwxr-xr-x
ttm	[ DIR ]	drwxr-xr-x
amd_asic_type.h	2.15 KB	-rw-r--r--
drm_aperture.h	1.13 KB	-rw-r--r--
drm_atomic.h	40.7 KB	-rw-r--r--
drm_atomic_helper.h	9.27 KB	-rw-r--r--
drm_atomic_state_helper.h	4.21 KB	-rw-r--r--
drm_atomic_uapi.h	2.17 KB	-rw-r--r--
drm_audio_component.h	3.79 KB	-rw-r--r--
drm_auth.h	4.64 KB	-rw-r--r--
drm_blend.h	2.35 KB	-rw-r--r--
drm_bridge.h	33.19 KB	-rw-r--r--
drm_bridge_connector.h	548 B	-rw-r--r--
drm_cache.h	3.01 KB	-rw-r--r--
drm_client.h	4.94 KB	-rw-r--r--
drm_color_mgmt.h	3.79 KB	-rw-r--r--
drm_connector.h	55.15 KB	-rw-r--r--
drm_crtc.h	44.48 KB	-rw-r--r--
drm_crtc_helper.h	2.39 KB	-rw-r--r--
drm_damage_helper.h	3.33 KB	-rw-r--r--
drm_debugfs.h	3.4 KB	-rw-r--r--
drm_debugfs_crc.h	2.66 KB	-rw-r--r--
drm_device.h	8.52 KB	-rw-r--r--
drm_displayid.h	3.32 KB	-rw-r--r--
drm_dp_aux_bus.h	1.7 KB	-rw-r--r--
drm_dp_dual_mode_helper.h	4.62 KB	-rw-r--r--
drm_dp_helper.h	87.62 KB	-rw-r--r--
drm_dp_mst_helper.h	27.73 KB	-rw-r--r--
drm_drv.h	18.67 KB	-rw-r--r--
drm_dsc.h	16.29 KB	-rw-r--r--
drm_edid.h	17.16 KB	-rw-r--r--
drm_encoder.h	10.64 KB	-rw-r--r--
drm_encoder_slave.h	6.44 KB	-rw-r--r--
drm_fb_cma_helper.h	575 B	-rw-r--r--
drm_fb_helper.h	12.71 KB	-rw-r--r--
drm_file.h	12.12 KB	-rw-r--r--
drm_fixed.h	4.71 KB	-rw-r--r--
drm_flip_work.h	3.01 KB	-rw-r--r--
drm_format_helper.h	1.49 KB	-rw-r--r--
drm_fourcc.h	9.7 KB	-rw-r--r--
drm_framebuffer.h	10.4 KB	-rw-r--r--
drm_gem.h	11.8 KB	-rw-r--r--
drm_gem_atomic_helper.h	4.61 KB	-rw-r--r--
drm_gem_cma_helper.h	6.83 KB	-rw-r--r--
drm_gem_framebuffer_helper.h	2.06 KB	-rw-r--r--
drm_gem_shmem_helper.h	4.23 KB	-rw-r--r--
drm_gem_ttm_helper.h	861 B	-rw-r--r--
drm_gem_vram_helper.h	6.17 KB	-rw-r--r--
drm_hashtab.h	3.01 KB	-rw-r--r--
drm_hdcp.h	8.79 KB	-rw-r--r--
drm_ioctl.h	6.23 KB	-rw-r--r--
drm_lease.h	1010 B	-rw-r--r--
drm_legacy.h	9.26 KB	-rw-r--r--
drm_managed.h	3.35 KB	-rw-r--r--
drm_mipi_dbi.h	4.72 KB	-rw-r--r--
drm_mipi_dsi.h	10.79 KB	-rw-r--r--
drm_mm.h	17.5 KB	-rw-r--r--
drm_mode_config.h	32.24 KB	-rw-r--r--
drm_mode_object.h	5.17 KB	-rw-r--r--
drm_modes.h	18.18 KB	-rw-r--r--
drm_modeset_helper.h	1.77 KB	-rw-r--r--
drm_modeset_helper_vtables.h	55.98 KB	-rw-r--r--
drm_modeset_lock.h	6.8 KB	-rw-r--r--
drm_of.h	4.11 KB	-rw-r--r--
drm_panel.h	6.26 KB	-rw-r--r--
drm_pciids.h	66.47 KB	-rw-r--r--
drm_plane.h	28.48 KB	-rw-r--r--
drm_plane_helper.h	1.75 KB	-rw-r--r--
drm_prime.h	4.07 KB	-rw-r--r--
drm_print.h	16.09 KB	-rw-r--r--
drm_probe_helper.h	848 B	-rw-r--r--
drm_property.h	11.76 KB	-rw-r--r--
drm_rect.h	6.86 KB	-rw-r--r--
drm_scdc_helper.h	4.34 KB	-rw-r--r--
drm_self_refresh_helper.h	594 B	-rw-r--r--
drm_simple_kms_helper.h	8.91 KB	-rw-r--r--
drm_syncobj.h	3.85 KB	-rw-r--r--
drm_sysfs.h	442 B	-rw-r--r--
drm_util.h	2.58 KB	-rw-r--r--
drm_utils.h	504 B	-rw-r--r--
drm_vblank.h	9.04 KB	-rw-r--r--
drm_vblank_work.h	1.91 KB	-rw-r--r--
drm_vma_manager.h	8.15 KB	-rw-r--r--
drm_writeback.h	4.05 KB	-rw-r--r--
gma_drm.h	413 B	-rw-r--r--
gpu_scheduler.h	15.44 KB	-rw-r--r--
gud.h	11.58 KB	-rw-r--r--
i915_component.h	1.76 KB	-rw-r--r--
i915_drm.h	3.6 KB	-rw-r--r--
i915_mei_hdcp_interface.h	5.76 KB	-rw-r--r--
i915_pciids.h	21.38 KB	-rw-r--r--
intel-gtt.h	996 B	-rw-r--r--
intel_lpe_audio.h	1.72 KB	-rw-r--r--
spsc_queue.h	3.06 KB	-rw-r--r--
task_barrier.h	2.95 KB	-rw-r--r--

Code Editor : drm_mipi_dbi.h

/* 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 interface
 */
struct mipi_dbi {
	/**
	 * @cmdlock: Command lock
	 */
	struct mutex cmdlock;

/**
	 * @command: Bus specific callback executing commands.
	 */
	int (*command)(struct mipi_dbi *dbi, u8 *cmd, u8 *param, size_t num);

/**
	 * @read_commands: Array of read commands terminated by a zero entry.
	 *                 Reading is disabled if this is NULL.
	 */
	const u8 *read_commands;

/**
	 * @swap_bytes: Swap bytes in buffer before transfer
	 */
	bool swap_bytes;

/**
	 * @reset: Optional reset gpio
	 */
	struct gpio_desc *reset;

/* Type C specific */

/**
	 * @spi: SPI device
	 */
	struct spi_device *spi;

/**
	 * @dc: Optional D/C gpio.
	 */
	struct gpio_desc *dc;

/**
	 * @tx_buf9: Buffer used for Option 1 9-bit conversion
	 */
	void *tx_buf9;

/**
	 * @tx_buf9_len: Size of tx_buf9.
	 */
	size_t tx_buf9_len;
};

/**
 * struct mipi_dbi_dev - MIPI DBI device
 */
struct mipi_dbi_dev {
	/**
	 * @drm: DRM device
	 */
	struct drm_device drm;

/**
	 * @pipe: Display pipe structure
	 */
	struct drm_simple_display_pipe pipe;

/**
	 * @connector: Connector
	 */
	struct drm_connector connector;

/**
	 * @mode: Fixed display mode
	 */
	struct drm_display_mode mode;

/**
	 * @tx_buf: Buffer used for transfer (copy clip rect area)
	 */
	u16 *tx_buf;

/**
	 * @rotation: initial rotation in degrees Counter Clock Wise
	 */
	unsigned int rotation;

/**
	 * @left_offset: Horizontal offset of the display relative to the
	 *               controller's driver array
	 */
	unsigned int left_offset;

/**
	 * @top_offset: Vertical offset of the display relative to the
	 *              controller's driver array
	 */
	unsigned int top_offset;

/**
	 * @backlight: backlight device (optional)
	 */
	struct backlight_device *backlight;

/**
	 * @regulator: power regulator (optional)
	 */
	struct regulator *regulator;

/**
	 * @dbi: MIPI DBI interface
	 */
	struct mipi_dbi dbi;
};

static inline struct mipi_dbi_dev *drm_to_mipi_dbi_dev(struct drm_device *drm)
{
	return container_of(drm, struct mipi_dbi_dev, drm);
}

int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *dbi,
		      struct gpio_desc *dc);
int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev,
				   const struct drm_simple_display_pipe_funcs *funcs,
				   const uint32_t *formats, unsigned int format_count,
				   const struct drm_display_mode *mode,
				   unsigned int rotation, size_t tx_buf_size);
int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev,
		      const struct drm_simple_display_pipe_funcs *funcs,
		      const struct drm_display_mode *mode, unsigned int rotation);
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_dev *dbidev,
			   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 *dbi);
bool mipi_dbi_display_is_on(struct mipi_dbi *dbi);
int mipi_dbi_poweron_reset(struct mipi_dbi_dev *dbidev);
int mipi_dbi_poweron_conditional_reset(struct mipi_dbi_dev *dbidev);

u32 mipi_dbi_spi_cmd_max_speed(struct spi_device *spi, size_t len);
int mipi_dbi_spi_transfer(struct spi_device *spi, u32 speed_hz,
			  u8 bpw, const void *buf, size_t len);

int mipi_dbi_command_read(struct mipi_dbi *dbi, u8 cmd, u8 *val);
int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len);
int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const 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)
 * @dbi: MIPI DBI 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(dbi, cmd, seq...) \
({ \
	const u8 d[] = { seq }; \
	struct device *dev = &(dbi)->spi->dev;	\
	int ret; \
	ret = mipi_dbi_command_stackbuf(dbi, cmd, d, ARRAY_SIZE(d)); \
	if (ret) \
		dev_err_ratelimited(dev, "error %d when sending command %#02x\n", ret, cmd); \
	ret; \
})

#ifdef CONFIG_DEBUG_FS
void mipi_dbi_debugfs_init(struct drm_minor *minor);
#else
#define mipi_dbi_debugfs_init		NULL
#endif

#endif /* __LINUX_MIPI_DBI_H */

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Code Editor : drm_mipi_dbi.h