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 "0.9.3"
12 #define INTELFB_MODULE_NAME "intelfb"
13 #define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM/945G"
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
57 /* Size of MMIO region */
58 #define INTEL_REG_SIZE 0x80000
60 #define STRIDE_ALIGNMENT 16
62 #define PALETTE_8_ENTRIES 256
67 /* basic arithmetic */
68 #define KB(x) ((x) * 1024)
69 #define MB(x) ((x) * 1024 * 1024)
70 #define BtoKB(x) ((x) / 1024)
71 #define BtoMB(x) ((x) / 1024 / 1024)
73 #define GTT_PAGE_SIZE KB(4)
75 #define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y))
76 #define ROUND_DOWN_TO(x, y) ((x) / (y) * (y))
77 #define ROUND_UP_TO_PAGE(x) ROUND_UP_TO((x), GTT_PAGE_SIZE)
78 #define ROUND_DOWN_TO_PAGE(x) ROUND_DOWN_TO((x), GTT_PAGE_SIZE)
81 #define PFX INTELFB_MODULE_NAME ": "
83 #define ERR_MSG(fmt, args...) printk(KERN_ERR PFX fmt, ## args)
84 #define WRN_MSG(fmt, args...) printk(KERN_WARNING PFX fmt, ## args)
85 #define NOT_MSG(fmt, args...) printk(KERN_NOTICE PFX fmt, ## args)
86 #define INF_MSG(fmt, args...) printk(KERN_INFO PFX fmt, ## args)
88 #define DBG_MSG(fmt, args...) printk(KERN_DEBUG PFX fmt, ## args)
90 #define DBG_MSG(fmt, args...) while (0) printk(fmt, ## args)
93 /* get commonly used pointers */
94 #define GET_DINFO(info) (info)->par
98 ((d)->accel && !(d)->ring_lockup && \
99 ((i)->var.accel_flags & FB_ACCELF_TEXT))
101 /*#define NOACCEL_CHIPSET(d) \
102 ((d)->chipset != INTEL_865G)*/
103 #define NOACCEL_CHIPSET(d) \
106 #define FIXED_MODE(d) ((d)->fixed_mode)
108 /*** Driver paramters ***/
110 #define RINGBUFFER_SIZE KB(64)
111 #define HW_CURSOR_SIZE KB(4)
113 /* Intel agpgart driver */
114 #define AGP_PHYSICAL_MEMORY 2
118 /* supported chipsets */
133 struct intelfb_hwstate {
143 u32 palette_a[PALETTE_8_ENTRIES];
144 u32 palette_b[PALETTE_8_ENTRIES];
172 u32 cursor_a_control;
173 u32 cursor_b_control;
181 u32 cursor_a_palette[4];
182 u32 cursor_b_palette[4];
197 struct intelfb_heap_data {
200 u32 offset; // in GATT pages
201 u32 size; // in bytes
204 struct intelfb_info {
205 struct fb_info *info;
206 struct fb_ops *fbops;
207 struct pci_dev *pdev;
209 struct intelfb_hwstate save_state;
211 /* agpgart structs */
212 struct agp_memory *gtt_fb_mem; // use all stolen memory or vram
213 struct agp_memory *gtt_ring_mem; // ring buffer
214 struct agp_memory *gtt_cursor_mem; // hw cursor
216 /* use a gart reserved fb mem */
224 struct intelfb_heap_data aperture;
225 struct intelfb_heap_data fb;
226 struct intelfb_heap_data ring;
227 struct intelfb_heap_data cursor;
231 u8 __iomem *mmio_base;
233 /* fb start offset (in bytes) */
237 u8 __iomem *ring_head;
244 u32 pseudo_palette[17];
255 int xres, yres, pitch;
273 /* initial parameters */
275 struct fb_var_screeninfo initial_var;
277 u32 initial_video_ram;
280 /* driver registered */
283 /* index into plls */
287 /*** function prototypes ***/
289 extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);
291 #endif /* _INTELFB_H */