[linux-2.6-block.git] / include / drm / drm_mipi_dsi.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * MIPI DSI Bus
 *
 * Copyright (C) 2012-2013, Samsung Electronics, Co., Ltd.
 * Andrzej Hajda <a.hajda@samsung.com>
 */

#ifndef __DRM_MIPI_DSI_H__
#define __DRM_MIPI_DSI_H__

#include <linux/device.h>

struct mipi_dsi_host;
struct mipi_dsi_device;

/* request ACK from peripheral */
#define MIPI_DSI_MSG_REQ_ACK	BIT(0)
/* use Low Power Mode to transmit message */
#define MIPI_DSI_MSG_USE_LPM	BIT(1)

/**
 * struct mipi_dsi_msg - read/write DSI buffer
 * @channel: virtual channel id
 * @type: payload data type
 * @flags: flags controlling this message transmission
 * @tx_len: length of @tx_buf
 * @tx_buf: data to be written
 * @rx_len: length of @rx_buf
 * @rx_buf: data to be read, or NULL
 */
struct mipi_dsi_msg {
	u8 channel;
	u8 type;
	u16 flags;

	size_t tx_len;
	const void *tx_buf;

	size_t rx_len;
	void *rx_buf;
};

bool mipi_dsi_packet_format_is_short(u8 type);
bool mipi_dsi_packet_format_is_long(u8 type);

/**
 * struct mipi_dsi_packet - represents a MIPI DSI packet in protocol format
 * @size: size (in bytes) of the packet
 * @header: the four bytes that make up the header (Data ID, Word Count or
 *     Packet Data, and ECC)
 * @payload_length: number of bytes in the payload
 * @payload: a pointer to a buffer containing the payload, if any
 */
struct mipi_dsi_packet {
	size_t size;
	u8 header[4];
	size_t payload_length;
	const u8 *payload;
};

int mipi_dsi_create_packet(struct mipi_dsi_packet *packet,
			   const struct mipi_dsi_msg *msg);

/**
 * struct mipi_dsi_host_ops - DSI bus operations
 * @attach: attach DSI device to DSI host
 * @detach: detach DSI device from DSI host
 * @transfer: transmit a DSI packet
 *
 * DSI packets transmitted by .transfer() are passed in as mipi_dsi_msg
 * structures. This structure contains information about the type of packet
 * being transmitted as well as the transmit and receive buffers. When an
 * error is encountered during transmission, this function will return a
 * negative error code. On success it shall return the number of bytes
 * transmitted for write packets or the number of bytes received for read
 * packets.
 *
 * Note that typically DSI packet transmission is atomic, so the .transfer()
 * function will seldomly return anything other than the number of bytes
 * contained in the transmit buffer on success.
 */
struct mipi_dsi_host_ops {
	int (*attach)(struct mipi_dsi_host *host,
		      struct mipi_dsi_device *dsi);
	int (*detach)(struct mipi_dsi_host *host,
		      struct mipi_dsi_device *dsi);
	ssize_t (*transfer)(struct mipi_dsi_host *host,
			    const struct mipi_dsi_msg *msg);
};

/**
 * struct mipi_dsi_host - DSI host device
 * @dev: driver model device node for this DSI host
 * @ops: DSI host operations
 * @list: list management
 */
struct mipi_dsi_host {
	struct device *dev;
	const struct mipi_dsi_host_ops *ops;
	struct list_head list;
};

int mipi_dsi_host_register(struct mipi_dsi_host *host);
void mipi_dsi_host_unregister(struct mipi_dsi_host *host);
struct mipi_dsi_host *of_find_mipi_dsi_host_by_node(struct device_node *node);

/* DSI mode flags */

/* video mode */
#define MIPI_DSI_MODE_VIDEO		BIT(0)
/* video burst mode */
#define MIPI_DSI_MODE_VIDEO_BURST	BIT(1)
/* video pulse mode */
#define MIPI_DSI_MODE_VIDEO_SYNC_PULSE	BIT(2)
/* enable auto vertical count mode */
#define MIPI_DSI_MODE_VIDEO_AUTO_VERT	BIT(3)
/* enable hsync-end packets in vsync-pulse and v-porch area */
#define MIPI_DSI_MODE_VIDEO_HSE		BIT(4)
/* disable hfront-porch area */
#define MIPI_DSI_MODE_VIDEO_HFP		BIT(5)
/* disable hback-porch area */
#define MIPI_DSI_MODE_VIDEO_HBP		BIT(6)
/* disable hsync-active area */
#define MIPI_DSI_MODE_VIDEO_HSA		BIT(7)
/* flush display FIFO on vsync pulse */
#define MIPI_DSI_MODE_VSYNC_FLUSH	BIT(8)
/* disable EoT packets in HS mode */
#define MIPI_DSI_MODE_EOT_PACKET	BIT(9)
/* device supports non-continuous clock behavior (DSI spec 5.6.1) */
#define MIPI_DSI_CLOCK_NON_CONTINUOUS	BIT(10)
/* transmit data in low power */
#define MIPI_DSI_MODE_LPM		BIT(11)

enum mipi_dsi_pixel_format {
	MIPI_DSI_FMT_RGB888,
	MIPI_DSI_FMT_RGB666,
	MIPI_DSI_FMT_RGB666_PACKED,
	MIPI_DSI_FMT_RGB565,
};

#define DSI_DEV_NAME_SIZE		20

/**
 * struct mipi_dsi_device_info - template for creating a mipi_dsi_device
 * @type: DSI peripheral chip type
 * @channel: DSI virtual channel assigned to peripheral
 * @node: pointer to OF device node or NULL
 *
 * This is populated and passed to mipi_dsi_device_new to create a new
 * DSI device
 */
struct mipi_dsi_device_info {
	char type[DSI_DEV_NAME_SIZE];
	u32 channel;
	struct device_node *node;
};

/**
 * struct mipi_dsi_device - DSI peripheral device
 * @host: DSI host for this peripheral
 * @dev: driver model device node for this peripheral
 * @name: DSI peripheral chip type
 * @channel: virtual channel assigned to the peripheral
 * @format: pixel format for video mode
 * @lanes: number of active data lanes
 * @mode_flags: DSI operation mode related flags
 * @hs_rate: maximum lane frequency for high speed mode in hertz, this should
 * be set to the real limits of the hardware, zero is only accepted for
 * legacy drivers
 * @lp_rate: maximum lane frequency for low power mode in hertz, this should
 * be set to the real limits of the hardware, zero is only accepted for
 * legacy drivers
 */
struct mipi_dsi_device {
	struct mipi_dsi_host *host;
	struct device dev;

	char name[DSI_DEV_NAME_SIZE];
	unsigned int channel;
	unsigned int lanes;
	enum mipi_dsi_pixel_format format;
	unsigned long mode_flags;
	unsigned long hs_rate;
	unsigned long lp_rate;
};

#define MIPI_DSI_MODULE_PREFIX "mipi-dsi:"

static inline struct mipi_dsi_device *to_mipi_dsi_device(struct device *dev)
{
	return container_of(dev, struct mipi_dsi_device, dev);
}

/**
 * mipi_dsi_pixel_format_to_bpp - obtain the number of bits per pixel for any
 *                                given pixel format defined by the MIPI DSI
 *                                specification
 * @fmt: MIPI DSI pixel format
 *
 * Returns: The number of bits per pixel of the given pixel format.
 */
static inline int mipi_dsi_pixel_format_to_bpp(enum mipi_dsi_pixel_format fmt)
{
	switch (fmt) {
	case MIPI_DSI_FMT_RGB888:
	case MIPI_DSI_FMT_RGB666:
		return 24;

	case MIPI_DSI_FMT_RGB666_PACKED:
		return 18;

	case MIPI_DSI_FMT_RGB565:
		return 16;
	}

	return -EINVAL;
}

struct mipi_dsi_device *
mipi_dsi_device_register_full(struct mipi_dsi_host *host,
			      const struct mipi_dsi_device_info *info);
void mipi_dsi_device_unregister(struct mipi_dsi_device *dsi);
struct mipi_dsi_device *of_find_mipi_dsi_device_by_node(struct device_node *np);
int mipi_dsi_attach(struct mipi_dsi_device *dsi);
int mipi_dsi_detach(struct mipi_dsi_device *dsi);
int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi);
int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi);
int mipi_dsi_set_maximum_return_packet_size(struct mipi_dsi_device *dsi,
					    u16 value);

ssize_t mipi_dsi_generic_write(struct mipi_dsi_device *dsi, const void *payload,
			       size_t size);
ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params,
			      size_t num_params, void *data, size_t size);

/**
 * enum mipi_dsi_dcs_tear_mode - Tearing Effect Output Line mode
 * @MIPI_DSI_DCS_TEAR_MODE_VBLANK: the TE output line consists of V-Blanking
 *    information only
 * @MIPI_DSI_DCS_TEAR_MODE_VHBLANK : the TE output line consists of both
 *    V-Blanking and H-Blanking information
 */
enum mipi_dsi_dcs_tear_mode {
	MIPI_DSI_DCS_TEAR_MODE_VBLANK,
	MIPI_DSI_DCS_TEAR_MODE_VHBLANK,
};

#define MIPI_DSI_DCS_POWER_MODE_DISPLAY (1 << 2)
#define MIPI_DSI_DCS_POWER_MODE_NORMAL  (1 << 3)
#define MIPI_DSI_DCS_POWER_MODE_SLEEP   (1 << 4)
#define MIPI_DSI_DCS_POWER_MODE_PARTIAL (1 << 5)
#define MIPI_DSI_DCS_POWER_MODE_IDLE    (1 << 6)

ssize_t mipi_dsi_dcs_write_buffer(struct mipi_dsi_device *dsi,
				  const void *data, size_t len);
ssize_t mipi_dsi_dcs_write(struct mipi_dsi_device *dsi, u8 cmd,
			   const void *data, size_t len);
ssize_t mipi_dsi_dcs_read(struct mipi_dsi_device *dsi, u8 cmd, void *data,
			  size_t len);
int mipi_dsi_dcs_nop(struct mipi_dsi_device *dsi);
int mipi_dsi_dcs_soft_reset(struct mipi_dsi_device *dsi);
int mipi_dsi_dcs_get_power_mode(struct mipi_dsi_device *dsi, u8 *mode);
int mipi_dsi_dcs_get_pixel_format(struct mipi_dsi_device *dsi, u8 *format);
int mipi_dsi_dcs_enter_sleep_mode(struct mipi_dsi_device *dsi);
int mipi_dsi_dcs_exit_sleep_mode(struct mipi_dsi_device *dsi);
int mipi_dsi_dcs_set_display_off(struct mipi_dsi_device *dsi);
int mipi_dsi_dcs_set_display_on(struct mipi_dsi_device *dsi);
int mipi_dsi_dcs_set_column_address(struct mipi_dsi_device *dsi, u16 start,
				    u16 end);
int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start,
				  u16 end);
int mipi_dsi_dcs_set_tear_off(struct mipi_dsi_device *dsi);
int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi,
			     enum mipi_dsi_dcs_tear_mode mode);
int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format);
int mipi_dsi_dcs_set_tear_scanline(struct mipi_dsi_device *dsi, u16 scanline);
int mipi_dsi_dcs_set_display_brightness(struct mipi_dsi_device *dsi,
					u16 brightness);
int mipi_dsi_dcs_get_display_brightness(struct mipi_dsi_device *dsi,
					u16 *brightness);

/**
 * struct mipi_dsi_driver - DSI driver
 * @driver: device driver model driver
 * @probe: callback for device binding
 * @remove: callback for device unbinding
 * @shutdown: called at shutdown time to quiesce the device
 */
struct mipi_dsi_driver {
	struct device_driver driver;
	int(*probe)(struct mipi_dsi_device *dsi);
	int(*remove)(struct mipi_dsi_device *dsi);
	void (*shutdown)(struct mipi_dsi_device *dsi);
};

static inline struct mipi_dsi_driver *
to_mipi_dsi_driver(struct device_driver *driver)
{
	return container_of(driver, struct mipi_dsi_driver, driver);
}

static inline void *mipi_dsi_get_drvdata(const struct mipi_dsi_device *dsi)
{
	return dev_get_drvdata(&dsi->dev);
}

static inline void mipi_dsi_set_drvdata(struct mipi_dsi_device *dsi, void *data)
{
	dev_set_drvdata(&dsi->dev, data);
}

int mipi_dsi_driver_register_full(struct mipi_dsi_driver *driver,
				  struct module *owner);
void mipi_dsi_driver_unregister(struct mipi_dsi_driver *driver);

#define mipi_dsi_driver_register(driver) \
	mipi_dsi_driver_register_full(driver, THIS_MODULE)

#define module_mipi_dsi_driver(__mipi_dsi_driver) \
	module_driver(__mipi_dsi_driver, mipi_dsi_driver_register, \
			mipi_dsi_driver_unregister)

#endif /* __DRM_MIPI_DSI__ */
Commit	Line	Data
d2912cb1	1	/* SPDX-License-Identifier: GPL-2.0-only */
068a0023 AH	2	/*
	3	* MIPI DSI Bus
	4	*
	5	* Copyright (C) 2012-2013, Samsung Electronics, Co., Ltd.
	6	* Andrzej Hajda <a.hajda@samsung.com>
068a0023 AH	7	*/
	8
	9	#ifndef __DRM_MIPI_DSI_H__
	10	#define __DRM_MIPI_DSI_H__
	11
	12	#include <linux/device.h>
	13
	14	struct mipi_dsi_host;
	15	struct mipi_dsi_device;
	16
1d96d4a6 AH	17	/* request ACK from peripheral */
	18	#define MIPI_DSI_MSG_REQ_ACK BIT(0)
	19	/* use Low Power Mode to transmit message */
	20	#define MIPI_DSI_MSG_USE_LPM BIT(1)
	21
068a0023 AH	22	/**
	23	* struct mipi_dsi_msg - read/write DSI buffer
	24	* @channel: virtual channel id
	25	* @type: payload data type
009081e0	26	* @flags: flags controlling this message transmission
068a0023 AH	27	* @tx_len: length of @tx_buf
	28	* @tx_buf: data to be written
	29	* @rx_len: length of @rx_buf
	30	* @rx_buf: data to be read, or NULL
	31	*/
	32	struct mipi_dsi_msg {
	33	u8 channel;
	34	u8 type;
1d96d4a6	35	u16 flags;
068a0023 AH	36
	37	size_t tx_len;
	38	const void *tx_buf;
	39
	40	size_t rx_len;
	41	void *rx_buf;
	42	};
	43
02acb76d TR	44	bool mipi_dsi_packet_format_is_short(u8 type);
	45	bool mipi_dsi_packet_format_is_long(u8 type);
	46
a52879e8 TR	47	/**
	48	* struct mipi_dsi_packet - represents a MIPI DSI packet in protocol format
	49	* @size: size (in bytes) of the packet
	50	* @header: the four bytes that make up the header (Data ID, Word Count or
	51	* Packet Data, and ECC)
	52	* @payload_length: number of bytes in the payload
	53	* @payload: a pointer to a buffer containing the payload, if any
	54	*/
	55	struct mipi_dsi_packet {
	56	size_t size;
	57	u8 header[4];
	58	size_t payload_length;
	59	const u8 *payload;
	60	};
	61
	62	int mipi_dsi_create_packet(struct mipi_dsi_packet *packet,
	63	const struct mipi_dsi_msg *msg);
	64
068a0023 AH	65	/**
	66	* struct mipi_dsi_host_ops - DSI bus operations
	67	* @attach: attach DSI device to DSI host
	68	* @detach: detach DSI device from DSI host
009081e0 TR	69	* @transfer: transmit a DSI packet
	70	*
	71	* DSI packets transmitted by .transfer() are passed in as mipi_dsi_msg
	72	* structures. This structure contains information about the type of packet
	73	* being transmitted as well as the transmit and receive buffers. When an
	74	* error is encountered during transmission, this function will return a
	75	* negative error code. On success it shall return the number of bytes
	76	* transmitted for write packets or the number of bytes received for read
	77	* packets.
	78	*
	79	* Note that typically DSI packet transmission is atomic, so the .transfer()
	80	* function will seldomly return anything other than the number of bytes
	81	* contained in the transmit buffer on success.
068a0023 AH	82	*/
	83	struct mipi_dsi_host_ops {
	84	int (attach)(struct mipi_dsi_host host,
	85	struct mipi_dsi_device *dsi);
	86	int (detach)(struct mipi_dsi_host host,
	87	struct mipi_dsi_device *dsi);
	88	ssize_t (transfer)(struct mipi_dsi_host host,
ed6ff40e	89	const struct mipi_dsi_msg *msg);
068a0023 AH	90	};
	91
	92	/**
	93	* struct mipi_dsi_host - DSI host device
	94	* @dev: driver model device node for this DSI host
	95	* @ops: DSI host operations
97b6ae50	96	* @list: list management
068a0023 AH	97	*/
	98	struct mipi_dsi_host {
	99	struct device *dev;
	100	const struct mipi_dsi_host_ops *ops;
97b6ae50	101	struct list_head list;
068a0023 AH	102	};
	103
	104	int mipi_dsi_host_register(struct mipi_dsi_host *host);
	105	void mipi_dsi_host_unregister(struct mipi_dsi_host *host);
97b6ae50	106	struct mipi_dsi_host of_find_mipi_dsi_host_by_node(struct device_node node);
068a0023 AH	107
	108	/* DSI mode flags */
	109
	110	/* video mode */
	111	#define MIPI_DSI_MODE_VIDEO BIT(0)
	112	/* video burst mode */
	113	#define MIPI_DSI_MODE_VIDEO_BURST BIT(1)
	114	/* video pulse mode */
	115	#define MIPI_DSI_MODE_VIDEO_SYNC_PULSE BIT(2)
	116	/* enable auto vertical count mode */
	117	#define MIPI_DSI_MODE_VIDEO_AUTO_VERT BIT(3)
	118	/* enable hsync-end packets in vsync-pulse and v-porch area */
	119	#define MIPI_DSI_MODE_VIDEO_HSE BIT(4)
	120	/* disable hfront-porch area */
	121	#define MIPI_DSI_MODE_VIDEO_HFP BIT(5)
	122	/* disable hback-porch area */
	123	#define MIPI_DSI_MODE_VIDEO_HBP BIT(6)
	124	/* disable hsync-active area */
	125	#define MIPI_DSI_MODE_VIDEO_HSA BIT(7)
	126	/* flush display FIFO on vsync pulse */
	127	#define MIPI_DSI_MODE_VSYNC_FLUSH BIT(8)
	128	/* disable EoT packets in HS mode */
	129	#define MIPI_DSI_MODE_EOT_PACKET BIT(9)
884d6a0b AC	130	/* device supports non-continuous clock behavior (DSI spec 5.6.1) */
884d6a0b AC	131	#define MIPI_DSI_CLOCK_NON_CONTINUOUS BIT(10)
d87f09ab ID	132	/* transmit data in low power */
d87f09ab ID	133	#define MIPI_DSI_MODE_LPM BIT(11)
068a0023 AH	134
	135	enum mipi_dsi_pixel_format {
	136	MIPI_DSI_FMT_RGB888,
	137	MIPI_DSI_FMT_RGB666,
	138	MIPI_DSI_FMT_RGB666_PACKED,
	139	MIPI_DSI_FMT_RGB565,
	140	};
	141
bf4363ce AT	142	#define DSI_DEV_NAME_SIZE 20
	143
	144	/**
c63ae8a9	145	* struct mipi_dsi_device_info - template for creating a mipi_dsi_device
bf4363ce	146	* @type: DSI peripheral chip type
c63ae8a9	147	* @channel: DSI virtual channel assigned to peripheral
bf4363ce	148	* @node: pointer to OF device node or NULL
c63ae8a9 AT	149	*
	150	* This is populated and passed to mipi_dsi_device_new to create a new
	151	* DSI device
	152	*/
	153	struct mipi_dsi_device_info {
bf4363ce	154	char type[DSI_DEV_NAME_SIZE];
c63ae8a9 AT	155	u32 channel;
	156	struct device_node *node;
	157	};
	158
068a0023 AH	159	/**
	160	* struct mipi_dsi_device - DSI peripheral device
	161	* @host: DSI host for this peripheral
	162	* @dev: driver model device node for this peripheral
bf4363ce	163	* @name: DSI peripheral chip type
068a0023 AH	164	* @channel: virtual channel assigned to the peripheral
	165	* @format: pixel format for video mode
	166	* @lanes: number of active data lanes
	167	* @mode_flags: DSI operation mode related flags
e982e3f0 LW	168	* @hs_rate: maximum lane frequency for high speed mode in hertz, this should
	169	* be set to the real limits of the hardware, zero is only accepted for
	170	* legacy drivers
	171	* @lp_rate: maximum lane frequency for low power mode in hertz, this should
	172	* be set to the real limits of the hardware, zero is only accepted for
	173	* legacy drivers
068a0023 AH	174	*/
	175	struct mipi_dsi_device {
	176	struct mipi_dsi_host *host;
	177	struct device dev;
	178
bf4363ce	179	char name[DSI_DEV_NAME_SIZE];
068a0023 AH	180	unsigned int channel;
	181	unsigned int lanes;
	182	enum mipi_dsi_pixel_format format;
	183	unsigned long mode_flags;
e982e3f0 LW	184	unsigned long hs_rate;
e982e3f0 LW	185	unsigned long lp_rate;
068a0023 AH	186	};
068a0023 AH	187
babb24fe TR	188	#define MIPI_DSI_MODULE_PREFIX "mipi-dsi:"
babb24fe TR	189
77df01dc TR	190	static inline struct mipi_dsi_device to_mipi_dsi_device(struct device dev)
	191	{
	192	return container_of(dev, struct mipi_dsi_device, dev);
	193	}
068a0023	194
ec26d9e9 LY	195	/**
	196	* mipi_dsi_pixel_format_to_bpp - obtain the number of bits per pixel for any
	197	* given pixel format defined by the MIPI DSI
	198	* specification
	199	* @fmt: MIPI DSI pixel format
	200	*
	201	* Returns: The number of bits per pixel of the given pixel format.
	202	*/
	203	static inline int mipi_dsi_pixel_format_to_bpp(enum mipi_dsi_pixel_format fmt)
	204	{
	205	switch (fmt) {
	206	case MIPI_DSI_FMT_RGB888:
	207	case MIPI_DSI_FMT_RGB666:
	208	return 24;
	209
	210	case MIPI_DSI_FMT_RGB666_PACKED:
	211	return 18;
	212
	213	case MIPI_DSI_FMT_RGB565:
	214	return 16;
	215	}
	216
	217	return -EINVAL;
	218	}
	219
c63ae8a9 AT	220	struct mipi_dsi_device *
	221	mipi_dsi_device_register_full(struct mipi_dsi_host *host,
	222	const struct mipi_dsi_device_info *info);
509e42ce	223	void mipi_dsi_device_unregister(struct mipi_dsi_device *dsi);
3ef05924	224	struct mipi_dsi_device of_find_mipi_dsi_device_by_node(struct device_node np);
068a0023 AH	225	int mipi_dsi_attach(struct mipi_dsi_device *dsi);
068a0023 AH	226	int mipi_dsi_detach(struct mipi_dsi_device *dsi);
6e8c9e33 WJ	227	int mipi_dsi_shutdown_peripheral(struct mipi_dsi_device *dsi);
6e8c9e33 WJ	228	int mipi_dsi_turn_on_peripheral(struct mipi_dsi_device *dsi);
dbf30b69 YC	229	int mipi_dsi_set_maximum_return_packet_size(struct mipi_dsi_device *dsi,
dbf30b69 YC	230	u16 value);
550ab848 TR	231
	232	ssize_t mipi_dsi_generic_write(struct mipi_dsi_device dsi, const void payload,
	233	size_t size);
	234	ssize_t mipi_dsi_generic_read(struct mipi_dsi_device dsi, const void params,
	235	size_t num_params, void *data, size_t size);
	236
42fe1e75 YC	237	/**
	238	* enum mipi_dsi_dcs_tear_mode - Tearing Effect Output Line mode
	239	* @MIPI_DSI_DCS_TEAR_MODE_VBLANK: the TE output line consists of V-Blanking
	240	* information only
	241	* @MIPI_DSI_DCS_TEAR_MODE_VHBLANK : the TE output line consists of both
	242	* V-Blanking and H-Blanking information
	243	*/
	244	enum mipi_dsi_dcs_tear_mode {
	245	MIPI_DSI_DCS_TEAR_MODE_VBLANK,
	246	MIPI_DSI_DCS_TEAR_MODE_VHBLANK,
	247	};
	248
3d9a8fcf TR	249	#define MIPI_DSI_DCS_POWER_MODE_DISPLAY (1 << 2)
	250	#define MIPI_DSI_DCS_POWER_MODE_NORMAL (1 << 3)
	251	#define MIPI_DSI_DCS_POWER_MODE_SLEEP (1 << 4)
	252	#define MIPI_DSI_DCS_POWER_MODE_PARTIAL (1 << 5)
	253	#define MIPI_DSI_DCS_POWER_MODE_IDLE (1 << 6)
	254
960dd616 TR	255	ssize_t mipi_dsi_dcs_write_buffer(struct mipi_dsi_device *dsi,
	256	const void *data, size_t len);
	257	ssize_t mipi_dsi_dcs_write(struct mipi_dsi_device *dsi, u8 cmd,
	258	const void *data, size_t len);
3c523d7d TR	259	ssize_t mipi_dsi_dcs_read(struct mipi_dsi_device dsi, u8 cmd, void data,
3c523d7d TR	260	size_t len);
083d573f	261	int mipi_dsi_dcs_nop(struct mipi_dsi_device *dsi);
2f16b897	262	int mipi_dsi_dcs_soft_reset(struct mipi_dsi_device *dsi);
3d9a8fcf	263	int mipi_dsi_dcs_get_power_mode(struct mipi_dsi_device dsi, u8 mode);
5cc0af16	264	int mipi_dsi_dcs_get_pixel_format(struct mipi_dsi_device dsi, u8 format);
42fe1e75 YC	265	int mipi_dsi_dcs_enter_sleep_mode(struct mipi_dsi_device *dsi);
	266	int mipi_dsi_dcs_exit_sleep_mode(struct mipi_dsi_device *dsi);
	267	int mipi_dsi_dcs_set_display_off(struct mipi_dsi_device *dsi);
	268	int mipi_dsi_dcs_set_display_on(struct mipi_dsi_device *dsi);
3b46d4a0 TR	269	int mipi_dsi_dcs_set_column_address(struct mipi_dsi_device *dsi, u16 start,
	270	u16 end);
	271	int mipi_dsi_dcs_set_page_address(struct mipi_dsi_device *dsi, u16 start,
	272	u16 end);
42fe1e75 YC	273	int mipi_dsi_dcs_set_tear_off(struct mipi_dsi_device *dsi);
	274	int mipi_dsi_dcs_set_tear_on(struct mipi_dsi_device *dsi,
	275	enum mipi_dsi_dcs_tear_mode mode);
5cc0af16	276	int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device *dsi, u8 format);
bbdcf516	277	int mipi_dsi_dcs_set_tear_scanline(struct mipi_dsi_device *dsi, u16 scanline);
1a9d7593 VSB	278	int mipi_dsi_dcs_set_display_brightness(struct mipi_dsi_device *dsi,
	279	u16 brightness);
	280	int mipi_dsi_dcs_get_display_brightness(struct mipi_dsi_device *dsi,
	281	u16 *brightness);
068a0023 AH	282
	283	/**
	284	* struct mipi_dsi_driver - DSI driver
	285	* @driver: device driver model driver
	286	* @probe: callback for device binding
	287	* @remove: callback for device unbinding
d1621803	288	* @shutdown: called at shutdown time to quiesce the device
068a0023 AH	289	*/
	290	struct mipi_dsi_driver {
	291	struct device_driver driver;
	292	int(probe)(struct mipi_dsi_device dsi);
	293	int(remove)(struct mipi_dsi_device dsi);
d1621803	294	void (shutdown)(struct mipi_dsi_device dsi);
068a0023 AH	295	};
068a0023 AH	296
77df01dc TR	297	static inline struct mipi_dsi_driver *
	298	to_mipi_dsi_driver(struct device_driver *driver)
	299	{
	300	return container_of(driver, struct mipi_dsi_driver, driver);
	301	}
068a0023 AH	302
	303	static inline void mipi_dsi_get_drvdata(const struct mipi_dsi_device dsi)
	304	{
	305	return dev_get_drvdata(&dsi->dev);
	306	}
	307
	308	static inline void mipi_dsi_set_drvdata(struct mipi_dsi_device dsi, void data)
	309	{
	310	dev_set_drvdata(&dsi->dev, data);
	311	}
	312
99035e99 TR	313	int mipi_dsi_driver_register_full(struct mipi_dsi_driver *driver,
99035e99 TR	314	struct module *owner);
068a0023 AH	315	void mipi_dsi_driver_unregister(struct mipi_dsi_driver *driver);
068a0023 AH	316
99035e99 TR	317	#define mipi_dsi_driver_register(driver) \
	318	mipi_dsi_driver_register_full(driver, THIS_MODULE)
	319
068a0023 AH	320	#define module_mipi_dsi_driver(__mipi_dsi_driver) \
	321	module_driver(__mipi_dsi_driver, mipi_dsi_driver_register, \
	322	mipi_dsi_driver_unregister)
	323
	324	#endif /* __DRM_MIPI_DSI__ */