drivers/video/intelfb/intelfb.h - kernel/omap - Git at Google

 #ifndef _INTELFB_H
 #define _INTELFB_H

 /* $DHD: intelfb/intelfb.h,v 1.40 2003/06/27 15:06:25 dawes Exp $ */

 #include <linux/agp_backend.h>
 #include <linux/fb.h>

 #ifdef CONFIG_FB_INTEL_I2C
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
 #endif

 /*** Version/name ***/
 #define INTELFB_VERSION			"0.9.6"
 #define INTELFB_MODULE_NAME		"intelfb"
 #define SUPPORTED_CHIPSETS		"830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/945GME/965G/965GM"


 /*** Debug/feature defines ***/

 #ifndef DEBUG
 #define DEBUG				0
 #endif

 #ifndef VERBOSE
 #define VERBOSE				0
 #endif

 #ifndef REGDUMP
 #define REGDUMP				0
 #endif

 #ifndef DETECT_VGA_CLASS_ONLY
 #define DETECT_VGA_CLASS_ONLY		1
 #endif

 #ifndef ALLOCATE_FOR_PANNING
 #define ALLOCATE_FOR_PANNING		1
 #endif

 #ifndef PREFERRED_MODE
 #define PREFERRED_MODE			"1024x768-32@70"
 #endif

 /*** hw-related values ***/

 /* Resource Allocation */
 #define INTELFB_FB_ACQUIRED                 1
 #define INTELFB_MMIO_ACQUIRED               2

 /* PCI ids for supported devices */
 #define PCI_DEVICE_ID_INTEL_830M	0x3577
 #define PCI_DEVICE_ID_INTEL_845G	0x2562
 #define PCI_DEVICE_ID_INTEL_85XGM	0x3582
 #define PCI_DEVICE_ID_INTEL_865G	0x2572
 #define PCI_DEVICE_ID_INTEL_915G	0x2582
 #define PCI_DEVICE_ID_INTEL_915GM	0x2592
 #define PCI_DEVICE_ID_INTEL_945G	0x2772
 #define PCI_DEVICE_ID_INTEL_945GM	0x27A2
 #define PCI_DEVICE_ID_INTEL_945GME	0x27AE
 #define PCI_DEVICE_ID_INTEL_965G	0x29A2
 #define PCI_DEVICE_ID_INTEL_965GM	0x2A02

 /* Size of MMIO region */
 #define INTEL_REG_SIZE			0x80000

 #define STRIDE_ALIGNMENT		16
 #define STRIDE_ALIGNMENT_I9XX		64

 #define PALETTE_8_ENTRIES		256


 /*** Macros ***/

 /* basic arithmetic */
 #define KB(x)			((x) * 1024)
 #define MB(x)			((x) * 1024 * 1024)
 #define BtoKB(x)		((x) / 1024)
 #define BtoMB(x)		((x) / 1024 / 1024)

 #define GTT_PAGE_SIZE           KB(4)

 #define ROUND_UP_TO(x, y)	(((x) + (y) - 1) / (y) * (y))
 #define ROUND_DOWN_TO(x, y)	((x) / (y) * (y))
 #define ROUND_UP_TO_PAGE(x)	ROUND_UP_TO((x), GTT_PAGE_SIZE)
 #define ROUND_DOWN_TO_PAGE(x)	ROUND_DOWN_TO((x), GTT_PAGE_SIZE)

 /* messages */
 #define PFX			INTELFB_MODULE_NAME ": "

 #define ERR_MSG(fmt, args...)	printk(KERN_ERR PFX fmt, ## args)
 #define WRN_MSG(fmt, args...)	printk(KERN_WARNING PFX fmt, ## args)
 #define NOT_MSG(fmt, args...)	printk(KERN_NOTICE PFX fmt, ## args)
 #define INF_MSG(fmt, args...)	printk(KERN_INFO PFX fmt, ## args)
 #if DEBUG
 #define DBG_MSG(fmt, args...)	printk(KERN_DEBUG PFX fmt, ## args)
 #else
 #define DBG_MSG(fmt, args...)	while (0) printk(fmt, ## args)
 #endif

 /* get commonly used pointers */
 #define GET_DINFO(info)		(info)->par

 /* misc macros */
 #define ACCEL(d, i)                                                     \
 	((d)->accel && !(d)->ring_lockup &&                             \
 	 ((i)->var.accel_flags & FB_ACCELF_TEXT))

 /*#define NOACCEL_CHIPSET(d)						\
 	((d)->chipset != INTEL_865G)*/
 #define NOACCEL_CHIPSET(d)						\
 	(0)

 #define FIXED_MODE(d) ((d)->fixed_mode)

 /*** Driver parameters ***/

 #define RINGBUFFER_SIZE		KB(64)
 #define HW_CURSOR_SIZE		KB(4)

 /* Intel agpgart driver */
 #define AGP_PHYSICAL_MEMORY     2

 /* store information about an Ixxx DVO */
 /* The i830->i865 use multiple DVOs with multiple i2cs */
 /* the i915, i945 have a single sDVO i2c bus - which is different */
 #define MAX_OUTPUTS 6

 /* these are outputs from the chip - integrated only
    external chips are via DVO or SDVO output */
 #define INTELFB_OUTPUT_UNUSED 0
 #define INTELFB_OUTPUT_ANALOG 1
 #define INTELFB_OUTPUT_DVO 2
 #define INTELFB_OUTPUT_SDVO 3
 #define INTELFB_OUTPUT_LVDS 4
 #define INTELFB_OUTPUT_TVOUT 5

 #define INTELFB_DVO_CHIP_NONE 0
 #define INTELFB_DVO_CHIP_LVDS 1
 #define INTELFB_DVO_CHIP_TMDS 2
 #define INTELFB_DVO_CHIP_TVOUT 4

 #define INTELFB_OUTPUT_PIPE_NC  0
 #define INTELFB_OUTPUT_PIPE_A   1
 #define INTELFB_OUTPUT_PIPE_B   2

 /*** Data Types ***/

 /* supported chipsets */
 enum intel_chips {
 	INTEL_830M,
 	INTEL_845G,
 	INTEL_85XGM,
 	INTEL_852GM,
 	INTEL_852GME,
 	INTEL_855GM,
 	INTEL_855GME,
 	INTEL_865G,
 	INTEL_915G,
 	INTEL_915GM,
 	INTEL_945G,
 	INTEL_945GM,
 	INTEL_945GME,
 	INTEL_965G,
 	INTEL_965GM,
 };

 struct intelfb_hwstate {
 	u32 vga0_divisor;
 	u32 vga1_divisor;
 	u32 vga_pd;
 	u32 dpll_a;
 	u32 dpll_b;
 	u32 fpa0;
 	u32 fpa1;
 	u32 fpb0;
 	u32 fpb1;
 	u32 palette_a[PALETTE_8_ENTRIES];
 	u32 palette_b[PALETTE_8_ENTRIES];
 	u32 htotal_a;
 	u32 hblank_a;
 	u32 hsync_a;
 	u32 vtotal_a;
 	u32 vblank_a;
 	u32 vsync_a;
 	u32 src_size_a;
 	u32 bclrpat_a;
 	u32 htotal_b;
 	u32 hblank_b;
 	u32 hsync_b;
 	u32 vtotal_b;
 	u32 vblank_b;
 	u32 vsync_b;
 	u32 src_size_b;
 	u32 bclrpat_b;
 	u32 adpa;
 	u32 dvoa;
 	u32 dvob;
 	u32 dvoc;
 	u32 dvoa_srcdim;
 	u32 dvob_srcdim;
 	u32 dvoc_srcdim;
 	u32 lvds;
 	u32 pipe_a_conf;
 	u32 pipe_b_conf;
 	u32 disp_arb;
 	u32 cursor_a_control;
 	u32 cursor_b_control;
 	u32 cursor_a_base;
 	u32 cursor_b_base;
 	u32 cursor_size;
 	u32 disp_a_ctrl;
 	u32 disp_b_ctrl;
 	u32 disp_a_base;
 	u32 disp_b_base;
 	u32 cursor_a_palette[4];
 	u32 cursor_b_palette[4];
 	u32 disp_a_stride;
 	u32 disp_b_stride;
 	u32 vgacntrl;
 	u32 add_id;
 	u32 swf0x[7];
 	u32 swf1x[7];
 	u32 swf3x[3];
 	u32 fence[8];
 	u32 instpm;
 	u32 mem_mode;
 	u32 fw_blc_0;
 	u32 fw_blc_1;
 	u16 hwstam;
 	u16 ier;
 	u16 iir;
 	u16 imr;
 };

 struct intelfb_heap_data {
 	u32 physical;
 	u8 __iomem *virtual;
 	u32 offset;		/* in GATT pages */
 	u32 size;		/* in bytes */
 };

 #ifdef CONFIG_FB_INTEL_I2C
 struct intelfb_i2c_chan {
     struct intelfb_info *dinfo;
     u32 reg;
     struct i2c_adapter adapter;
     struct i2c_algo_bit_data algo;
 };
 #endif

 struct intelfb_output_rec {
     int type;
     int pipe;
     int flags;

 #ifdef CONFIG_FB_INTEL_I2C
     struct intelfb_i2c_chan i2c_bus;
     struct intelfb_i2c_chan ddc_bus;
 #endif
 };

 struct intelfb_vsync {
 	wait_queue_head_t wait;
 	unsigned int count;
 	int pan_display;
 	u32 pan_offset;
 };

 struct intelfb_info {
 	struct fb_info *info;
 	struct fb_ops  *fbops;
 	struct pci_dev *pdev;

 	struct intelfb_hwstate save_state;

 	/* agpgart structs */
 	struct agp_memory *gtt_fb_mem;     /* use all stolen memory or vram */
 	struct agp_memory *gtt_ring_mem;   /* ring buffer */
 	struct agp_memory *gtt_cursor_mem; /* hw cursor */

 	/* use a gart reserved fb mem */
 	u8 fbmem_gart;

 	/* mtrr support */
 	int mtrr_reg;
 	u32 has_mtrr;

 	/* heap data */
 	struct intelfb_heap_data aperture;
 	struct intelfb_heap_data fb;
 	struct intelfb_heap_data ring;
 	struct intelfb_heap_data cursor;

 	/* mmio regs */
 	u32 mmio_base_phys;
 	u8 __iomem *mmio_base;

 	/* fb start offset (in bytes) */
 	u32 fb_start;

 	/* ring buffer */
 	u32 ring_head;
 	u32 ring_tail;
 	u32 ring_tail_mask;
 	u32 ring_space;
 	u32 ring_lockup;

 	/* palette */
 	u32 pseudo_palette[16];

 	/* chip info */
 	int pci_chipset;
 	int chipset;
 	const char *name;
 	int mobile;

 	/* current mode */
 	int bpp, depth;
 	u32 visual;
 	int xres, yres, pitch;
 	int pixclock;

 	/* current pipe */
 	int pipe;

 	/* some flags */
 	int accel;
 	int hwcursor;
 	int fixed_mode;
 	int ring_active;
 	int flag;
 	unsigned long irq_flags;
 	int open;

 	/* vsync */
 	struct intelfb_vsync vsync;
 	spinlock_t int_lock;

 	/* hw cursor */
 	int cursor_on;
 	int cursor_blanked;
 	u8  cursor_src[64];

 	/* initial parameters */
 	int initial_vga;
 	struct fb_var_screeninfo initial_var;
 	u32 initial_fb_base;
 	u32 initial_video_ram;
 	u32 initial_pitch;

 	/* driver registered */
 	int registered;

 	/* index into plls */
 	int pll_index;

 	/* outputs */
 	int num_outputs;
 	struct intelfb_output_rec output[MAX_OUTPUTS];
 };

 #define IS_I9XX(dinfo) (((dinfo)->chipset == INTEL_915G) ||	\
 			((dinfo)->chipset == INTEL_915GM) ||	\
 			((dinfo)->chipset == INTEL_945G) ||	\
 			((dinfo)->chipset == INTEL_945GM) ||	\
 			((dinfo)->chipset == INTEL_945GME) ||	\
 			((dinfo)->chipset == INTEL_965G) ||	\
 			((dinfo)->chipset == INTEL_965GM))

 #ifndef FBIO_WAITFORVSYNC
 #define FBIO_WAITFORVSYNC	_IOW('F', 0x20, __u32)
 #endif

 /*** function prototypes ***/

 extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);

 #ifdef CONFIG_FB_INTEL_I2C
 extern void intelfb_create_i2c_busses(struct intelfb_info *dinfo);
 extern void intelfb_delete_i2c_busses(struct intelfb_info *dinfo);
 #endif

 #endif /* _INTELFB_H */
	#ifndef _INTELFB_H
	#define _INTELFB_H

	/* $DHD: intelfb/intelfb.h,v 1.40 2003/06/27 15:06:25 dawes Exp $ */

	#include <linux/agp_backend.h>
	#include <linux/fb.h>

	#ifdef CONFIG_FB_INTEL_I2C
	#include <linux/i2c.h>
	#include <linux/i2c-algo-bit.h>
	#endif

	/* Version/name */
	#define INTELFB_VERSION "0.9.6"
	#define INTELFB_MODULE_NAME "intelfb"
	#define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/945GME/965G/965GM"


	/* Debug/feature defines */

	#ifndef DEBUG
	#define DEBUG 0
	#endif

	#ifndef VERBOSE
	#define VERBOSE 0
	#endif

	#ifndef REGDUMP
	#define REGDUMP 0
	#endif

	#ifndef DETECT_VGA_CLASS_ONLY
	#define DETECT_VGA_CLASS_ONLY 1
	#endif

	#ifndef ALLOCATE_FOR_PANNING
	#define ALLOCATE_FOR_PANNING 1
	#endif

	#ifndef PREFERRED_MODE
	#define PREFERRED_MODE "1024x768-32@70"
	#endif

	/* hw-related values */

	/* Resource Allocation */
	#define INTELFB_FB_ACQUIRED 1
	#define INTELFB_MMIO_ACQUIRED 2

	/* PCI ids for supported devices */
	#define PCI_DEVICE_ID_INTEL_830M 0x3577
	#define PCI_DEVICE_ID_INTEL_845G 0x2562
	#define PCI_DEVICE_ID_INTEL_85XGM 0x3582
	#define PCI_DEVICE_ID_INTEL_865G 0x2572
	#define PCI_DEVICE_ID_INTEL_915G 0x2582
	#define PCI_DEVICE_ID_INTEL_915GM 0x2592
	#define PCI_DEVICE_ID_INTEL_945G 0x2772
	#define PCI_DEVICE_ID_INTEL_945GM 0x27A2
	#define PCI_DEVICE_ID_INTEL_945GME 0x27AE
	#define PCI_DEVICE_ID_INTEL_965G 0x29A2
	#define PCI_DEVICE_ID_INTEL_965GM 0x2A02

	/* Size of MMIO region */
	#define INTEL_REG_SIZE 0x80000

	#define STRIDE_ALIGNMENT 16
	#define STRIDE_ALIGNMENT_I9XX 64

	#define PALETTE_8_ENTRIES 256


	/* Macros */

	/* basic arithmetic */
	#define KB(x) ((x) * 1024)
	#define MB(x) ((x) * 1024 * 1024)
	#define BtoKB(x) ((x) / 1024)
	#define BtoMB(x) ((x) / 1024 / 1024)

	#define GTT_PAGE_SIZE KB(4)

	#define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y))
	#define ROUND_DOWN_TO(x, y) ((x) / (y) * (y))
	#define ROUND_UP_TO_PAGE(x) ROUND_UP_TO((x), GTT_PAGE_SIZE)
	#define ROUND_DOWN_TO_PAGE(x) ROUND_DOWN_TO((x), GTT_PAGE_SIZE)

	/* messages */
	#define PFX INTELFB_MODULE_NAME ": "

	#define ERR_MSG(fmt, args...) printk(KERN_ERR PFX fmt, ## args)
	#define WRN_MSG(fmt, args...) printk(KERN_WARNING PFX fmt, ## args)
	#define NOT_MSG(fmt, args...) printk(KERN_NOTICE PFX fmt, ## args)
	#define INF_MSG(fmt, args...) printk(KERN_INFO PFX fmt, ## args)
	#if DEBUG
	#define DBG_MSG(fmt, args...) printk(KERN_DEBUG PFX fmt, ## args)
	#else
	#define DBG_MSG(fmt, args...) while (0) printk(fmt, ## args)
	#endif

	/* get commonly used pointers */
	#define GET_DINFO(info) (info)->par

	/* misc macros */
	#define ACCEL(d, i) \
	((d)->accel && !(d)->ring_lockup && \
	((i)->var.accel_flags & FB_ACCELF_TEXT))

	/*#define NOACCEL_CHIPSET(d) \
	((d)->chipset != INTEL_865G)*/
	#define NOACCEL_CHIPSET(d) \
	(0)

	#define FIXED_MODE(d) ((d)->fixed_mode)

	/* Driver parameters */

	#define RINGBUFFER_SIZE KB(64)
	#define HW_CURSOR_SIZE KB(4)

	/* Intel agpgart driver */
	#define AGP_PHYSICAL_MEMORY 2

	/* store information about an Ixxx DVO */
	/* The i830->i865 use multiple DVOs with multiple i2cs */
	/* the i915, i945 have a single sDVO i2c bus - which is different */
	#define MAX_OUTPUTS 6

	/* these are outputs from the chip - integrated only
	external chips are via DVO or SDVO output */
	#define INTELFB_OUTPUT_UNUSED 0
	#define INTELFB_OUTPUT_ANALOG 1
	#define INTELFB_OUTPUT_DVO 2
	#define INTELFB_OUTPUT_SDVO 3
	#define INTELFB_OUTPUT_LVDS 4
	#define INTELFB_OUTPUT_TVOUT 5

	#define INTELFB_DVO_CHIP_NONE 0
	#define INTELFB_DVO_CHIP_LVDS 1
	#define INTELFB_DVO_CHIP_TMDS 2
	#define INTELFB_DVO_CHIP_TVOUT 4

	#define INTELFB_OUTPUT_PIPE_NC 0
	#define INTELFB_OUTPUT_PIPE_A 1
	#define INTELFB_OUTPUT_PIPE_B 2

	/* Data Types */

	/* supported chipsets */
	enum intel_chips {
	INTEL_830M,
	INTEL_845G,
	INTEL_85XGM,
	INTEL_852GM,
	INTEL_852GME,
	INTEL_855GM,
	INTEL_855GME,
	INTEL_865G,
	INTEL_915G,
	INTEL_915GM,
	INTEL_945G,
	INTEL_945GM,
	INTEL_945GME,
	INTEL_965G,
	INTEL_965GM,
	};

	struct intelfb_hwstate {
	u32 vga0_divisor;
	u32 vga1_divisor;
	u32 vga_pd;
	u32 dpll_a;
	u32 dpll_b;
	u32 fpa0;
	u32 fpa1;
	u32 fpb0;
	u32 fpb1;
	u32 palette_a[PALETTE_8_ENTRIES];
	u32 palette_b[PALETTE_8_ENTRIES];
	u32 htotal_a;
	u32 hblank_a;
	u32 hsync_a;
	u32 vtotal_a;
	u32 vblank_a;
	u32 vsync_a;
	u32 src_size_a;
	u32 bclrpat_a;
	u32 htotal_b;
	u32 hblank_b;
	u32 hsync_b;
	u32 vtotal_b;
	u32 vblank_b;
	u32 vsync_b;
	u32 src_size_b;
	u32 bclrpat_b;
	u32 adpa;
	u32 dvoa;
	u32 dvob;
	u32 dvoc;
	u32 dvoa_srcdim;
	u32 dvob_srcdim;
	u32 dvoc_srcdim;
	u32 lvds;
	u32 pipe_a_conf;
	u32 pipe_b_conf;
	u32 disp_arb;
	u32 cursor_a_control;
	u32 cursor_b_control;
	u32 cursor_a_base;
	u32 cursor_b_base;
	u32 cursor_size;
	u32 disp_a_ctrl;
	u32 disp_b_ctrl;
	u32 disp_a_base;
	u32 disp_b_base;
	u32 cursor_a_palette[4];
	u32 cursor_b_palette[4];
	u32 disp_a_stride;
	u32 disp_b_stride;
	u32 vgacntrl;
	u32 add_id;
	u32 swf0x[7];
	u32 swf1x[7];
	u32 swf3x[3];
	u32 fence[8];
	u32 instpm;
	u32 mem_mode;
	u32 fw_blc_0;
	u32 fw_blc_1;
	u16 hwstam;
	u16 ier;
	u16 iir;
	u16 imr;
	};

	struct intelfb_heap_data {
	u32 physical;
	u8 __iomem *virtual;
	u32 offset; /* in GATT pages */
	u32 size; /* in bytes */
	};

	#ifdef CONFIG_FB_INTEL_I2C
	struct intelfb_i2c_chan {
	struct intelfb_info *dinfo;
	u32 reg;
	struct i2c_adapter adapter;
	struct i2c_algo_bit_data algo;
	};
	#endif

	struct intelfb_output_rec {
	int type;
	int pipe;
	int flags;

	#ifdef CONFIG_FB_INTEL_I2C
	struct intelfb_i2c_chan i2c_bus;
	struct intelfb_i2c_chan ddc_bus;
	#endif
	};

	struct intelfb_vsync {
	wait_queue_head_t wait;
	unsigned int count;
	int pan_display;
	u32 pan_offset;
	};

	struct intelfb_info {
	struct fb_info *info;
	struct fb_ops *fbops;
	struct pci_dev *pdev;

	struct intelfb_hwstate save_state;

	/* agpgart structs */
	struct agp_memory gtt_fb_mem; / use all stolen memory or vram */
	struct agp_memory gtt_ring_mem; / ring buffer */
	struct agp_memory gtt_cursor_mem; / hw cursor */

	/* use a gart reserved fb mem */
	u8 fbmem_gart;

	/* mtrr support */
	int mtrr_reg;
	u32 has_mtrr;

	/* heap data */
	struct intelfb_heap_data aperture;
	struct intelfb_heap_data fb;
	struct intelfb_heap_data ring;
	struct intelfb_heap_data cursor;

	/* mmio regs */
	u32 mmio_base_phys;
	u8 __iomem *mmio_base;

	/* fb start offset (in bytes) */
	u32 fb_start;

	/* ring buffer */
	u32 ring_head;
	u32 ring_tail;
	u32 ring_tail_mask;
	u32 ring_space;
	u32 ring_lockup;

	/* palette */
	u32 pseudo_palette[16];

	/* chip info */
	int pci_chipset;
	int chipset;
	const char *name;
	int mobile;

	/* current mode */
	int bpp, depth;
	u32 visual;
	int xres, yres, pitch;
	int pixclock;

	/* current pipe */
	int pipe;

	/* some flags */
	int accel;
	int hwcursor;
	int fixed_mode;
	int ring_active;
	int flag;
	unsigned long irq_flags;
	int open;

	/* vsync */
	struct intelfb_vsync vsync;
	spinlock_t int_lock;

	/* hw cursor */
	int cursor_on;
	int cursor_blanked;
	u8 cursor_src[64];

	/* initial parameters */
	int initial_vga;
	struct fb_var_screeninfo initial_var;
	u32 initial_fb_base;
	u32 initial_video_ram;
	u32 initial_pitch;

	/* driver registered */
	int registered;

	/* index into plls */
	int pll_index;

	/* outputs */
	int num_outputs;
	struct intelfb_output_rec output[MAX_OUTPUTS];
	};

	#define IS_I9XX(dinfo) (((dinfo)->chipset == INTEL_915G) \|\| \
	((dinfo)->chipset == INTEL_915GM) \|\| \
	((dinfo)->chipset == INTEL_945G) \|\| \
	((dinfo)->chipset == INTEL_945GM) \|\| \
	((dinfo)->chipset == INTEL_945GME) \|\| \
	((dinfo)->chipset == INTEL_965G) \|\| \
	((dinfo)->chipset == INTEL_965GM))

	#ifndef FBIO_WAITFORVSYNC
	#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
	#endif

	/* function prototypes */

	extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);

	#ifdef CONFIG_FB_INTEL_I2C
	extern void intelfb_create_i2c_busses(struct intelfb_info *dinfo);
	extern void intelfb_delete_i2c_busses(struct intelfb_info *dinfo);
	#endif

	#endif /* _INTELFB_H */