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Rev	Author	Line No.	Line
4560	Serge	1	/*
		2	* Copyright © 2013 Intel Corporation
		3	*
		4	* Permission is hereby granted, free of charge, to any person obtaining a
		5	* copy of this software and associated documentation files (the "Software"),
		6	* to deal in the Software without restriction, including without limitation
		7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
		8	* and/or sell copies of the Software, and to permit persons to whom the
		9	* Software is furnished to do so, subject to the following conditions:
		10	*
		11	* The above copyright notice and this permission notice (including the next
		12	* paragraph) shall be included in all copies or substantial portions of the
		13	* Software.
		14	*
		15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
		16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
		17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
		18	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
		19	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
		20	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
		21	* DEALINGS IN THE SOFTWARE.
		22	*/
		23
		24	#ifndef _INTEL_DSI_H
		25	#define _INTEL_DSI_H
		26
		27	#include
		28	#include
6084	serge	29	#include
4560	Serge	30	#include "intel_drv.h"
		31
6084	serge	32	/* Dual Link support */
		33	#define DSI_DUAL_LINK_NONE 0
		34	#define DSI_DUAL_LINK_FRONT_BACK 1
		35	#define DSI_DUAL_LINK_PIXEL_ALT 2
4560	Serge	36
7144	serge	37	int dsi_pixel_format_bpp(int pixel_format);
		38
6084	serge	39	struct intel_dsi_host;
4560	Serge	40
		41	struct intel_dsi {
		42	struct intel_encoder base;
		43
6084	serge	44	struct drm_panel *panel;
		45	struct intel_dsi_host *dsi_hosts[I915_MAX_PORTS];
4560	Serge	46
6084	serge	47	/* GPIO Desc for CRC based Panel control */
		48	struct gpio_desc *gpio_panel;
		49
4560	Serge	50	struct intel_connector *attached_connector;
		51
6084	serge	52	/* bit mask of ports being driven */
		53	u16 ports;
		54
4560	Serge	55	/* if true, use HS mode, otherwise LP */
		56	bool hs;
		57
		58	/* virtual channel */
		59	int channel;
		60
5060	serge	61	/* Video mode or command mode */
		62	u16 operation_mode;
		63
4560	Serge	64	/* number of DSI lanes */
		65	unsigned int lane_count;
		66
		67	/* video mode pixel format for MIPI_DSI_FUNC_PRG register */
		68	u32 pixel_format;
		69
		70	/* video mode format for MIPI_VIDEO_MODE_FORMAT register */
		71	u32 video_mode_format;
		72
		73	/* eot for MIPI_EOT_DISABLE register */
5060	serge	74	u8 eotp_pkt;
		75	u8 clock_stop;
4560	Serge	76
5060	serge	77	u8 escape_clk_div;
6084	serge	78	u8 dual_link;
		79	u8 pixel_overlap;
4560	Serge	80	u32 port_bits;
		81	u32 bw_timer;
		82	u32 dphy_reg;
		83	u32 video_frmt_cfg_bits;
		84	u16 lp_byte_clk;
		85
		86	/* timeouts in byte clocks */
		87	u16 lp_rx_timeout;
		88	u16 turn_arnd_val;
		89	u16 rst_timer_val;
		90	u16 hs_to_lp_count;
		91	u16 clk_lp_to_hs_count;
		92	u16 clk_hs_to_lp_count;
5060	serge	93
		94	u16 init_count;
5354	serge	95	u32 pclk;
		96	u16 burst_mode_ratio;
5060	serge	97
		98	/* all delays in ms */
		99	u16 backlight_off_delay;
		100	u16 backlight_on_delay;
		101	u16 panel_on_delay;
		102	u16 panel_off_delay;
		103	u16 panel_pwr_cycle_delay;
4560	Serge	104	};
		105
6084	serge	106	struct intel_dsi_host {
		107	struct mipi_dsi_host base;
		108	struct intel_dsi *intel_dsi;
		109	enum port port;
		110
		111	/* our little hack */
		112	struct mipi_dsi_device *device;
		113	};
		114
		115	static inline struct intel_dsi_host to_intel_dsi_host(struct mipi_dsi_host h)
		116	{
		117	return container_of(h, struct intel_dsi_host, base);
		118	}
		119
		120	#define for_each_dsi_port(__port, __ports_mask) \
		121	for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) \
6937	serge	122	for_each_if ((__ports_mask) & (1 << (__port)))
6084	serge	123
4560	Serge	124	static inline struct intel_dsi enc_to_intel_dsi(struct drm_encoder encoder)
		125	{
		126	return container_of(encoder, struct intel_dsi, base.base);
		127	}
		128
6084	serge	129	extern void intel_enable_dsi_pll(struct intel_encoder *encoder);
		130	extern void intel_disable_dsi_pll(struct intel_encoder *encoder);
7144	serge	131	extern u32 intel_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp);
6084	serge	132	extern void intel_dsi_reset_clocks(struct intel_encoder *encoder,
		133	enum port port);
4560	Serge	134
6084	serge	135	struct drm_panel vbt_panel_init(struct intel_dsi intel_dsi, u16 panel_id);
5060	serge	136
4560	Serge	137	#endif /* _INTEL_DSI_H */

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(root)/drivers/video/drm/i915/intel_dsi.h – Rev 7144