[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / olpc_dcon / olpc_dcon.h

#ifndef OLPC_DCON_H_
#define OLPC_DCON_H_

#include <linux/notifier.h>
#include <linux/workqueue.h>

/* DCON registers */

#define DCON_REG_ID		 0
#define DCON_REG_MODE		 1

#define MODE_PASSTHRU	(1<<0)
#define MODE_SLEEP	(1<<1)
#define MODE_SLEEP_AUTO	(1<<2)
#define MODE_BL_ENABLE	(1<<3)
#define MODE_BLANK	(1<<4)
#define MODE_CSWIZZLE	(1<<5)
#define MODE_COL_AA	(1<<6)
#define MODE_MONO_LUMA	(1<<7)
#define MODE_SCAN_INT	(1<<8)
#define MODE_CLOCKDIV	(1<<9)
#define MODE_DEBUG	(1<<14)
#define MODE_SELFTEST	(1<<15)

#define DCON_REG_HRES		2
#define DCON_REG_HTOTAL		3
#define DCON_REG_HSYNC_WIDTH	4
#define DCON_REG_VRES		5
#define DCON_REG_VTOTAL		6
#define DCON_REG_VSYNC_WIDTH	7
#define DCON_REG_TIMEOUT	8
#define DCON_REG_SCAN_INT	9
#define DCON_REG_BRIGHT		10

/* Status values */

#define DCONSTAT_SCANINT	0
#define DCONSTAT_SCANINT_DCON	1
#define DCONSTAT_DISPLAYLOAD	2
#define DCONSTAT_MISSED		3

/* Source values */

#define DCON_SOURCE_DCON        0
#define DCON_SOURCE_CPU         1

/* Interrupt */
#define DCON_IRQ                6

struct dcon_priv {
	struct i2c_client *client;
	struct fb_info *fbinfo;
	struct backlight_device *bl_dev;

	struct work_struct switch_source;
	struct notifier_block reboot_nb;
	struct notifier_block fbevent_nb;

	/* Shadow register for the DCON_REG_MODE register */
	u8 disp_mode;

	/* The current backlight value - this saves us some smbus traffic */
	u8 bl_val;

	/* Current source, initialized at probe time */
	int curr_src;

	/* Desired source */
	int pending_src;

	/* Variables used during switches */
	bool switched;
	struct timespec irq_time;
	struct timespec load_time;

	/* Current output type; true == mono, false == color */
	bool mono;
	bool asleep;
	/* This get set while controlling fb blank state from the driver */
	bool ignore_fb_events;
};

struct dcon_platform_data {
	int (*init)(struct dcon_priv *);
	void (*bus_stabilize_wiggle)(void);
	void (*set_dconload)(int);
	int (*read_status)(u8 *);
};

#include <linux/interrupt.h>

extern irqreturn_t dcon_interrupt(int irq, void *id);

#ifdef CONFIG_FB_OLPC_DCON_1
extern struct dcon_platform_data dcon_pdata_xo_1;
#endif

#ifdef CONFIG_FB_OLPC_DCON_1_5
extern struct dcon_platform_data dcon_pdata_xo_1_5;
#endif

#endif
Commit	Line	Data
eecb3e4e AS	1	#ifndef OLPC_DCON_H_
	2	#define OLPC_DCON_H_
	3
bbe963f1 AS	4	#include <linux/notifier.h>
	5	#include <linux/workqueue.h>
	6
eecb3e4e AS	7	/* DCON registers */
	8
	9	#define DCON_REG_ID 0
	10	#define DCON_REG_MODE 1
	11
	12	#define MODE_PASSTHRU (1<<0)
	13	#define MODE_SLEEP (1<<1)
	14	#define MODE_SLEEP_AUTO (1<<2)
	15	#define MODE_BL_ENABLE (1<<3)
	16	#define MODE_BLANK (1<<4)
	17	#define MODE_CSWIZZLE (1<<5)
	18	#define MODE_COL_AA (1<<6)
	19	#define MODE_MONO_LUMA (1<<7)
	20	#define MODE_SCAN_INT (1<<8)
	21	#define MODE_CLOCKDIV (1<<9)
	22	#define MODE_DEBUG (1<<14)
	23	#define MODE_SELFTEST (1<<15)
	24
	25	#define DCON_REG_HRES 2
	26	#define DCON_REG_HTOTAL 3
	27	#define DCON_REG_HSYNC_WIDTH 4
	28	#define DCON_REG_VRES 5
	29	#define DCON_REG_VTOTAL 6
	30	#define DCON_REG_VSYNC_WIDTH 7
	31	#define DCON_REG_TIMEOUT 8
	32	#define DCON_REG_SCAN_INT 9
	33	#define DCON_REG_BRIGHT 10
	34
eecb3e4e AS	35	/* Status values */
	36
	37	#define DCONSTAT_SCANINT 0
	38	#define DCONSTAT_SCANINT_DCON 1
	39	#define DCONSTAT_DISPLAYLOAD 2
	40	#define DCONSTAT_MISSED 3
	41
	42	/* Source values */
	43
	44	#define DCON_SOURCE_DCON 0
	45	#define DCON_SOURCE_CPU 1
	46
eecb3e4e AS	47	/* Interrupt */
	48	#define DCON_IRQ 6
	49
bbe963f1 AS	50	struct dcon_priv {
	51	struct i2c_client *client;
	52	struct fb_info *fbinfo;
c59eef17	53	struct backlight_device *bl_dev;
bbe963f1 AS	54
	55	struct work_struct switch_source;
	56	struct notifier_block reboot_nb;
	57	struct notifier_block fbevent_nb;
	58
	59	/* Shadow register for the DCON_REG_MODE register */
	60	u8 disp_mode;
	61
c59eef17 AS	62	/* The current backlight value - this saves us some smbus traffic */
	63	u8 bl_val;
	64
bbe963f1 AS	65	/* Current source, initialized at probe time */
	66	int curr_src;
	67
	68	/* Desired source */
	69	int pending_src;
	70
309ef2a2 AS	71	/* Variables used during switches */
	72	bool switched;
	73	struct timespec irq_time;
	74	struct timespec load_time;
	75
bbe963f1 AS	76	/* Current output type; true == mono, false == color */
	77	bool mono;
	78	bool asleep;
	79	/* This get set while controlling fb blank state from the driver */
	80	bool ignore_fb_events;
	81	};
	82
097cd83a	83	struct dcon_platform_data {
bbe963f1	84	int (init)(struct dcon_priv );
097cd83a AS	85	void (*bus_stabilize_wiggle)(void);
097cd83a AS	86	void (*set_dconload)(int);
91762057	87	int (read_status)(u8 );
097cd83a AS	88	};
	89
	90	#include <linux/interrupt.h>
	91
097cd83a	92	extern irqreturn_t dcon_interrupt(int irq, void *id);
097cd83a AS	93
	94	#ifdef CONFIG_FB_OLPC_DCON_1
	95	extern struct dcon_platform_data dcon_pdata_xo_1;
	96	#endif
	97
	98	#ifdef CONFIG_FB_OLPC_DCON_1_5
	99	extern struct dcon_platform_data dcon_pdata_xo_1_5;
	100	#endif
	101
eecb3e4e	102	#endif