![Dennis Munsie](/assets/img/avatar_default.png)
[03/07] intelfb: add intelfb_i2c_chan struct. Signed-off-by: Dennis Munsie <dmunsie@cecropia.com>
331 lines
6.4 KiB
C
331 lines
6.4 KiB
C
#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 "0.9.4"
|
|
#define INTELFB_MODULE_NAME "intelfb"
|
|
#define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM"
|
|
|
|
|
|
/*** 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
|
|
|
|
/* 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 paramters ***/
|
|
|
|
#define RINGBUFFER_SIZE KB(64)
|
|
#define HW_CURSOR_SIZE KB(4)
|
|
|
|
/* Intel agpgart driver */
|
|
#define AGP_PHYSICAL_MEMORY 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,
|
|
};
|
|
|
|
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_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 */
|
|
u32 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[17];
|
|
|
|
/* 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;
|
|
};
|
|
|
|
#define IS_I9XX(dinfo) (((dinfo)->chipset == INTEL_915G)||(dinfo->chipset == INTEL_915GM)||((dinfo)->chipset == INTEL_945G)||(dinfo->chipset==INTEL_945GM))
|
|
|
|
#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);
|
|
|
|
#endif /* _INTELFB_H */
|