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 "0.9.2"
12 #define INTELFB_MODULE_NAME "intelfb"
13 #define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G"
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 "1024x768-16@60"
42 /*** hw-related values ***/
44 /* PCI ids for supported devices */
45 #define PCI_DEVICE_ID_INTEL_830M 0x3577
46 #define PCI_DEVICE_ID_INTEL_845G 0x2562
47 #define PCI_DEVICE_ID_INTEL_85XGM 0x3582
48 #define PCI_DEVICE_ID_INTEL_865G 0x2572
50 /* Size of MMIO region */
51 #define INTEL_REG_SIZE 0x80000
53 #define STRIDE_ALIGNMENT 16
55 #define PALETTE_8_ENTRIES 256
60 /* basic arithmetic */
61 #define KB(x) ((x) * 1024)
62 #define MB(x) ((x) * 1024 * 1024)
63 #define BtoKB(x) ((x) / 1024)
64 #define BtoMB(x) ((x) / 1024 / 1024)
66 #define GTT_PAGE_SIZE KB(4)
68 #define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y))
69 #define ROUND_DOWN_TO(x, y) ((x) / (y) * (y))
70 #define ROUND_UP_TO_PAGE(x) ROUND_UP_TO((x), GTT_PAGE_SIZE)
71 #define ROUND_DOWN_TO_PAGE(x) ROUND_DOWN_TO((x), GTT_PAGE_SIZE)
74 #define PFX INTELFB_MODULE_NAME ": "
76 #define ERR_MSG(fmt, args...) printk(KERN_ERR PFX fmt, ## args)
77 #define WRN_MSG(fmt, args...) printk(KERN_WARNING PFX fmt, ## args)
78 #define NOT_MSG(fmt, args...) printk(KERN_NOTICE PFX fmt, ## args)
79 #define INF_MSG(fmt, args...) printk(KERN_INFO PFX fmt, ## args)
81 #define DBG_MSG(fmt, args...) printk(KERN_DEBUG PFX fmt, ## args)
83 #define DBG_MSG(fmt, args...) while (0) printk(fmt, ## args)
86 /* get commonly used pointers */
87 #define GET_DINFO(info) (info)->par
91 ((d)->accel && !(d)->ring_lockup && \
92 ((i)->var.accel_flags & FB_ACCELF_TEXT))
94 /*#define NOACCEL_CHIPSET(d) \
95 ((d)->chipset != INTEL_865G)*/
96 #define NOACCEL_CHIPSET(d) \
99 #define FIXED_MODE(d) ((d)->fixed_mode)
101 /*** Driver paramters ***/
103 #define RINGBUFFER_SIZE KB(64)
104 #define HW_CURSOR_SIZE KB(4)
106 /* Intel agpgart driver */
107 #define AGP_PHYSICAL_MEMORY 2
111 /* supported chipsets */
123 struct intelfb_hwstate {
133 u32 palette_a[PALETTE_8_ENTRIES];
134 u32 palette_b[PALETTE_8_ENTRIES];
162 u32 cursor_a_control;
163 u32 cursor_b_control;
171 u32 cursor_a_palette[4];
172 u32 cursor_b_palette[4];
187 struct intelfb_heap_data {
190 u32 offset; // in GATT pages
191 u32 size; // in bytes
194 struct intelfb_info {
195 struct fb_info *info;
196 struct fb_ops *fbops;
197 struct pci_dev *pdev;
199 struct intelfb_hwstate save_state;
201 /* agpgart structs */
202 struct agp_memory *gtt_fb_mem; // use all stolen memory or vram
203 struct agp_memory *gtt_ring_mem; // ring buffer
204 struct agp_memory *gtt_cursor_mem; // hw cursor
206 /* use a gart reserved fb mem */
214 struct intelfb_heap_data aperture;
215 struct intelfb_heap_data fb;
216 struct intelfb_heap_data ring;
217 struct intelfb_heap_data cursor;
221 u8 __iomem *mmio_base;
223 /* fb start offset (in bytes) */
227 u8 __iomem *ring_head;
234 u32 pseudo_palette[17];
235 struct { u8 red, green, blue, pad; } palette[256];
246 int xres, yres, pitch;
263 /* initial parameters */
265 struct fb_var_screeninfo initial_var;
267 u32 initial_video_ram;
270 /* driver registered */
274 /*** function prototypes ***/
276 extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);
278 #endif /* _INTELFB_H */