[deliverable/linux.git] / drivers / gpu / drm / i915 / intel_dsi.h

/*
 * Copyright © 2013 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#ifndef _INTEL_DSI_H
#define _INTEL_DSI_H

#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <drm/drm_mipi_dsi.h>
#include "intel_drv.h"

/* Dual Link support */
#define DSI_DUAL_LINK_NONE		0
#define DSI_DUAL_LINK_FRONT_BACK	1
#define DSI_DUAL_LINK_PIXEL_ALT		2

int dsi_pixel_format_bpp(int pixel_format);

struct intel_dsi_host;

struct intel_dsi {
	struct intel_encoder base;

	struct drm_panel *panel;
	struct intel_dsi_host *dsi_hosts[I915_MAX_PORTS];

	/* GPIO Desc for CRC based Panel control */
	struct gpio_desc *gpio_panel;

	struct intel_connector *attached_connector;

	/* bit mask of ports being driven */
	u16 ports;

	/* if true, use HS mode, otherwise LP */
	bool hs;

	/* virtual channel */
	int channel;

	/* Video mode or command mode */
	u16 operation_mode;

	/* number of DSI lanes */
	unsigned int lane_count;

	/* video mode pixel format for MIPI_DSI_FUNC_PRG register */
	u32 pixel_format;

	/* video mode format for MIPI_VIDEO_MODE_FORMAT register */
	u32 video_mode_format;

	/* eot for MIPI_EOT_DISABLE register */
	u8 eotp_pkt;
	u8 clock_stop;

	u8 escape_clk_div;
	u8 dual_link;
	u8 pixel_overlap;
	u32 port_bits;
	u32 bw_timer;
	u32 dphy_reg;
	u32 video_frmt_cfg_bits;
	u16 lp_byte_clk;

	/* timeouts in byte clocks */
	u16 lp_rx_timeout;
	u16 turn_arnd_val;
	u16 rst_timer_val;
	u16 hs_to_lp_count;
	u16 clk_lp_to_hs_count;
	u16 clk_hs_to_lp_count;

	u16 init_count;
	u32 pclk;
	u16 burst_mode_ratio;

	/* all delays in ms */
	u16 backlight_off_delay;
	u16 backlight_on_delay;
	u16 panel_on_delay;
	u16 panel_off_delay;
	u16 panel_pwr_cycle_delay;
};

struct intel_dsi_host {
	struct mipi_dsi_host base;
	struct intel_dsi *intel_dsi;
	enum port port;

	/* our little hack */
	struct mipi_dsi_device *device;
};

static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h)
{
	return container_of(h, struct intel_dsi_host, base);
}

#define for_each_dsi_port(__port, __ports_mask) \
	for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++)	\
		for_each_if ((__ports_mask) & (1 << (__port)))

static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)
{
	return container_of(encoder, struct intel_dsi, base.base);
}

extern void intel_enable_dsi_pll(struct intel_encoder *encoder);
extern void intel_disable_dsi_pll(struct intel_encoder *encoder);
extern u32 intel_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp);
extern void intel_dsi_reset_clocks(struct intel_encoder *encoder,
							enum port port);

struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id);

#endif /* _INTEL_DSI_H */
Commit	Line	Data
f5e11b06 JN	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 <drm/drmP.h>
	28	#include <drm/drm_crtc.h>
7e9804fd	29	#include <drm/drm_mipi_dsi.h>
f5e11b06 JN	30	#include "intel_drv.h"
f5e11b06 JN	31
a9da9bce GS	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
	36
0aa8bdf2 D	37	int dsi_pixel_format_bpp(int pixel_format);
0aa8bdf2 D	38
7e9804fd JN	39	struct intel_dsi_host;
7e9804fd JN	40
f5e11b06 JN	41	struct intel_dsi {
	42	struct intel_encoder base;
	43
593e0622	44	struct drm_panel *panel;
7e9804fd	45	struct intel_dsi_host *dsi_hosts[I915_MAX_PORTS];
f5e11b06	46
fc45e821 SK	47	/* GPIO Desc for CRC based Panel control */
	48	struct gpio_desc *gpio_panel;
	49
f5e11b06 JN	50	struct intel_connector *attached_connector;
f5e11b06 JN	51
17af40a8 JN	52	/* bit mask of ports being driven */
	53	u16 ports;
	54
f5e11b06 JN	55	/* if true, use HS mode, otherwise LP */
	56	bool hs;
	57
	58	/* virtual channel */
	59	int channel;
	60
dfba2e2d SK	61	/* Video mode or command mode */
	62	u16 operation_mode;
	63
f5e11b06 JN	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 */
f1c79f16 SK	74	u8 eotp_pkt;
f1c79f16 SK	75	u8 clock_stop;
f6da2842	76
f1c79f16	77	u8 escape_clk_div;
369602d3	78	u8 dual_link;
a9da9bce	79	u8 pixel_overlap;
f6da2842 SK	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;
cf4dbd2e SK	93
cf4dbd2e SK	94	u16 init_count;
7f0c8605 SK	95	u32 pclk;
7f0c8605 SK	96	u16 burst_mode_ratio;
df38e655 SK	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;
f5e11b06 JN	104	};
f5e11b06 JN	105
7e9804fd JN	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
e7d7cad0 JN	120	#define for_each_dsi_port(__port, __ports_mask) \
e7d7cad0 JN	121	for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++) \
95150bdf	122	for_each_if ((__ports_mask) & (1 << (__port)))
e7d7cad0	123
f5e11b06 JN	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
cfe01a5e	129	extern void intel_enable_dsi_pll(struct intel_encoder *encoder);
fe88fc68	130	extern void intel_disable_dsi_pll(struct intel_encoder *encoder);
d7d85d85	131	extern u32 intel_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp);
b389a45c SS	132	extern void intel_dsi_reset_clocks(struct intel_encoder *encoder,
b389a45c SS	133	enum port port);
be4fc046	134
593e0622	135	struct drm_panel vbt_panel_init(struct intel_dsi intel_dsi, u16 panel_id);
2ab8b458	136
f5e11b06	137	#endif /* _INTEL_DSI_H */