- 根目录:
- drivers
- video
- fbdev
- intelfb
- 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_854 0x358E
#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_854,
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;
int wc_cookie;
/* 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))
/*** 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 */