4 /* $DHD: intelfb/intelfb.h,v 1.40 2003/06/27 15:06:25 dawes Exp $ */
6 #include <linux/agp_backend.h>
10 /*** Version/name ***/
11 #define INTELFB_VERSION "0.9.4"
12 #define INTELFB_MODULE_NAME "intelfb"
13 #define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM"
16 /*** Debug/feature defines ***/
30 #ifndef DETECT_VGA_CLASS_ONLY
31 #define DETECT_VGA_CLASS_ONLY 1
34 #ifndef ALLOCATE_FOR_PANNING
35 #define ALLOCATE_FOR_PANNING 1
38 #ifndef PREFERRED_MODE
39 #define PREFERRED_MODE "1024x768-32@70"
42 /*** hw-related values ***/
44 /* Resource Allocation */
45 #define INTELFB_FB_ACQUIRED 1
46 #define INTELFB_MMIO_ACQUIRED 2
48 /* PCI ids for supported devices */
49 #define PCI_DEVICE_ID_INTEL_830M 0x3577
50 #define PCI_DEVICE_ID_INTEL_845G 0x2562
51 #define PCI_DEVICE_ID_INTEL_85XGM 0x3582
52 #define PCI_DEVICE_ID_INTEL_865G 0x2572
53 #define PCI_DEVICE_ID_INTEL_915G 0x2582
54 #define PCI_DEVICE_ID_INTEL_915GM 0x2592
55 #define PCI_DEVICE_ID_INTEL_945G 0x2772
56 #define PCI_DEVICE_ID_INTEL_945GM 0x27A2
58 /* Size of MMIO region */
59 #define INTEL_REG_SIZE 0x80000
61 #define STRIDE_ALIGNMENT 16
63 #define PALETTE_8_ENTRIES 256
68 /* basic arithmetic */
69 #define KB(x) ((x) * 1024)
70 #define MB(x) ((x) * 1024 * 1024)
71 #define BtoKB(x) ((x) / 1024)
72 #define BtoMB(x) ((x) / 1024 / 1024)
74 #define GTT_PAGE_SIZE KB(4)
76 #define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y))
77 #define ROUND_DOWN_TO(x, y) ((x) / (y) * (y))
78 #define ROUND_UP_TO_PAGE(x) ROUND_UP_TO((x), GTT_PAGE_SIZE)
79 #define ROUND_DOWN_TO_PAGE(x) ROUND_DOWN_TO((x), GTT_PAGE_SIZE)
82 #define PFX INTELFB_MODULE_NAME ": "
84 #define ERR_MSG(fmt, args...) printk(KERN_ERR PFX fmt, ## args)
85 #define WRN_MSG(fmt, args...) printk(KERN_WARNING PFX fmt, ## args)
86 #define NOT_MSG(fmt, args...) printk(KERN_NOTICE PFX fmt, ## args)
87 #define INF_MSG(fmt, args...) printk(KERN_INFO PFX fmt, ## args)
89 #define DBG_MSG(fmt, args...) printk(KERN_DEBUG PFX fmt, ## args)
91 #define DBG_MSG(fmt, args...) while (0) printk(fmt, ## args)
94 /* get commonly used pointers */
95 #define GET_DINFO(info) (info)->par
99 ((d)->accel && !(d)->ring_lockup && \
100 ((i)->var.accel_flags & FB_ACCELF_TEXT))
102 /*#define NOACCEL_CHIPSET(d) \
103 ((d)->chipset != INTEL_865G)*/
104 #define NOACCEL_CHIPSET(d) \
107 #define FIXED_MODE(d) ((d)->fixed_mode)
109 /*** Driver paramters ***/
111 #define RINGBUFFER_SIZE KB(64)
112 #define HW_CURSOR_SIZE KB(4)
114 /* Intel agpgart driver */
115 #define AGP_PHYSICAL_MEMORY 2
119 /* supported chipsets */
135 struct intelfb_hwstate {
145 u32 palette_a[PALETTE_8_ENTRIES];
146 u32 palette_b[PALETTE_8_ENTRIES];
174 u32 cursor_a_control;
175 u32 cursor_b_control;
183 u32 cursor_a_palette[4];
184 u32 cursor_b_palette[4];
199 struct intelfb_heap_data {
202 u32 offset; // in GATT pages
203 u32 size; // in bytes
206 struct intelfb_info {
207 struct fb_info *info;
208 struct fb_ops *fbops;
209 struct pci_dev *pdev;
211 struct intelfb_hwstate save_state;
213 /* agpgart structs */
214 struct agp_memory *gtt_fb_mem; // use all stolen memory or vram
215 struct agp_memory *gtt_ring_mem; // ring buffer
216 struct agp_memory *gtt_cursor_mem; // hw cursor
218 /* use a gart reserved fb mem */
226 struct intelfb_heap_data aperture;
227 struct intelfb_heap_data fb;
228 struct intelfb_heap_data ring;
229 struct intelfb_heap_data cursor;
233 u8 __iomem *mmio_base;
235 /* fb start offset (in bytes) */
239 u8 __iomem *ring_head;
246 u32 pseudo_palette[17];
257 int xres, yres, pitch;
275 /* initial parameters */
277 struct fb_var_screeninfo initial_var;
279 u32 initial_video_ram;
282 /* driver registered */
285 /* index into plls */
289 #define IS_I9XX(dinfo) (((dinfo)->chipset == INTEL_915G)||(dinfo->chipset == INTEL_915GM)||((dinfo)->chipset == INTEL_945G)||(dinfo->chipset==INTEL_945GM))
291 /*** function prototypes ***/
293 extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);
295 #endif /* _INTELFB_H */