4 /* $DHD: intelfb/intelfb.h,v 1.40 2003/06/27 15:06:25 dawes Exp $ */
6 #include <linux/agp_backend.h>
9 #ifdef CONFIG_FB_INTEL_I2C
10 #include <linux/i2c.h>
11 #include <linux/i2c-algo-bit.h>
14 /*** Version/name ***/
15 #define INTELFB_VERSION "0.9.4"
16 #define INTELFB_MODULE_NAME "intelfb"
17 #define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM"
20 /*** Debug/feature defines ***/
34 #ifndef DETECT_VGA_CLASS_ONLY
35 #define DETECT_VGA_CLASS_ONLY 1
38 #ifndef ALLOCATE_FOR_PANNING
39 #define ALLOCATE_FOR_PANNING 1
42 #ifndef PREFERRED_MODE
43 #define PREFERRED_MODE "1024x768-32@70"
46 /*** hw-related values ***/
48 /* Resource Allocation */
49 #define INTELFB_FB_ACQUIRED 1
50 #define INTELFB_MMIO_ACQUIRED 2
52 /* PCI ids for supported devices */
53 #define PCI_DEVICE_ID_INTEL_830M 0x3577
54 #define PCI_DEVICE_ID_INTEL_845G 0x2562
55 #define PCI_DEVICE_ID_INTEL_85XGM 0x3582
56 #define PCI_DEVICE_ID_INTEL_865G 0x2572
57 #define PCI_DEVICE_ID_INTEL_915G 0x2582
58 #define PCI_DEVICE_ID_INTEL_915GM 0x2592
59 #define PCI_DEVICE_ID_INTEL_945G 0x2772
60 #define PCI_DEVICE_ID_INTEL_945GM 0x27A2
62 /* Size of MMIO region */
63 #define INTEL_REG_SIZE 0x80000
65 #define STRIDE_ALIGNMENT 16
66 #define STRIDE_ALIGNMENT_I9XX 64
68 #define PALETTE_8_ENTRIES 256
73 /* basic arithmetic */
74 #define KB(x) ((x) * 1024)
75 #define MB(x) ((x) * 1024 * 1024)
76 #define BtoKB(x) ((x) / 1024)
77 #define BtoMB(x) ((x) / 1024 / 1024)
79 #define GTT_PAGE_SIZE KB(4)
81 #define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y))
82 #define ROUND_DOWN_TO(x, y) ((x) / (y) * (y))
83 #define ROUND_UP_TO_PAGE(x) ROUND_UP_TO((x), GTT_PAGE_SIZE)
84 #define ROUND_DOWN_TO_PAGE(x) ROUND_DOWN_TO((x), GTT_PAGE_SIZE)
87 #define PFX INTELFB_MODULE_NAME ": "
89 #define ERR_MSG(fmt, args...) printk(KERN_ERR PFX fmt, ## args)
90 #define WRN_MSG(fmt, args...) printk(KERN_WARNING PFX fmt, ## args)
91 #define NOT_MSG(fmt, args...) printk(KERN_NOTICE PFX fmt, ## args)
92 #define INF_MSG(fmt, args...) printk(KERN_INFO PFX fmt, ## args)
94 #define DBG_MSG(fmt, args...) printk(KERN_DEBUG PFX fmt, ## args)
96 #define DBG_MSG(fmt, args...) while (0) printk(fmt, ## args)
99 /* get commonly used pointers */
100 #define GET_DINFO(info) (info)->par
103 #define ACCEL(d, i) \
104 ((d)->accel && !(d)->ring_lockup && \
105 ((i)->var.accel_flags & FB_ACCELF_TEXT))
107 /*#define NOACCEL_CHIPSET(d) \
108 ((d)->chipset != INTEL_865G)*/
109 #define NOACCEL_CHIPSET(d) \
112 #define FIXED_MODE(d) ((d)->fixed_mode)
114 /*** Driver paramters ***/
116 #define RINGBUFFER_SIZE KB(64)
117 #define HW_CURSOR_SIZE KB(4)
119 /* Intel agpgart driver */
120 #define AGP_PHYSICAL_MEMORY 2
124 /* supported chipsets */
140 struct intelfb_hwstate {
150 u32 palette_a[PALETTE_8_ENTRIES];
151 u32 palette_b[PALETTE_8_ENTRIES];
179 u32 cursor_a_control;
180 u32 cursor_b_control;
188 u32 cursor_a_palette[4];
189 u32 cursor_b_palette[4];
208 struct intelfb_heap_data {
211 u32 offset; // in GATT pages
212 u32 size; // in bytes
215 #ifdef CONFIG_FB_INTEL_I2C
216 struct intelfb_i2c_chan {
217 struct intelfb_info *dinfo;
219 struct i2c_adapter adapter;
220 struct i2c_algo_bit_data algo;
224 struct intelfb_vsync {
225 wait_queue_head_t wait;
231 struct intelfb_info {
232 struct fb_info *info;
233 struct fb_ops *fbops;
234 struct pci_dev *pdev;
236 struct intelfb_hwstate save_state;
238 /* agpgart structs */
239 struct agp_memory *gtt_fb_mem; // use all stolen memory or vram
240 struct agp_memory *gtt_ring_mem; // ring buffer
241 struct agp_memory *gtt_cursor_mem; // hw cursor
243 /* use a gart reserved fb mem */
251 struct intelfb_heap_data aperture;
252 struct intelfb_heap_data fb;
253 struct intelfb_heap_data ring;
254 struct intelfb_heap_data cursor;
258 u8 __iomem *mmio_base;
260 /* fb start offset (in bytes) */
271 u32 pseudo_palette[17];
282 int xres, yres, pitch;
294 unsigned long irq_flags;
298 struct intelfb_vsync vsync;
306 /* initial parameters */
308 struct fb_var_screeninfo initial_var;
310 u32 initial_video_ram;
313 /* driver registered */
316 /* index into plls */
320 #define IS_I9XX(dinfo) (((dinfo)->chipset == INTEL_915G)||(dinfo->chipset == INTEL_915GM)||((dinfo)->chipset == INTEL_945G)||(dinfo->chipset==INTEL_945GM))
322 #ifndef FBIO_WAITFORVSYNC
323 #define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
326 /*** function prototypes ***/
328 extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);
330 #endif /* _INTELFB_H */