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 "0.9.5"
16 #define INTELFB_MODULE_NAME "intelfb"
17 #define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/965G/965GM"
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
61 #define PCI_DEVICE_ID_INTEL_965G 0x29A2
62 #define PCI_DEVICE_ID_INTEL_965GM 0x2A02
64 /* Size of MMIO region */
65 #define INTEL_REG_SIZE 0x80000
67 #define STRIDE_ALIGNMENT 16
68 #define STRIDE_ALIGNMENT_I9XX 64
70 #define PALETTE_8_ENTRIES 256
75 /* basic arithmetic */
76 #define KB(x) ((x) * 1024)
77 #define MB(x) ((x) * 1024 * 1024)
78 #define BtoKB(x) ((x) / 1024)
79 #define BtoMB(x) ((x) / 1024 / 1024)
81 #define GTT_PAGE_SIZE KB(4)
83 #define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y))
84 #define ROUND_DOWN_TO(x, y) ((x) / (y) * (y))
85 #define ROUND_UP_TO_PAGE(x) ROUND_UP_TO((x), GTT_PAGE_SIZE)
86 #define ROUND_DOWN_TO_PAGE(x) ROUND_DOWN_TO((x), GTT_PAGE_SIZE)
89 #define PFX INTELFB_MODULE_NAME ": "
91 #define ERR_MSG(fmt, args...) printk(KERN_ERR PFX fmt, ## args)
92 #define WRN_MSG(fmt, args...) printk(KERN_WARNING PFX fmt, ## args)
93 #define NOT_MSG(fmt, args...) printk(KERN_NOTICE PFX fmt, ## args)
94 #define INF_MSG(fmt, args...) printk(KERN_INFO PFX fmt, ## args)
96 #define DBG_MSG(fmt, args...) printk(KERN_DEBUG PFX fmt, ## args)
98 #define DBG_MSG(fmt, args...) while (0) printk(fmt, ## args)
101 /* get commonly used pointers */
102 #define GET_DINFO(info) (info)->par
105 #define ACCEL(d, i) \
106 ((d)->accel && !(d)->ring_lockup && \
107 ((i)->var.accel_flags & FB_ACCELF_TEXT))
109 /*#define NOACCEL_CHIPSET(d) \
110 ((d)->chipset != INTEL_865G)*/
111 #define NOACCEL_CHIPSET(d) \
114 #define FIXED_MODE(d) ((d)->fixed_mode)
116 /*** Driver parameters ***/
118 #define RINGBUFFER_SIZE KB(64)
119 #define HW_CURSOR_SIZE KB(4)
121 /* Intel agpgart driver */
122 #define AGP_PHYSICAL_MEMORY 2
124 /* store information about an Ixxx DVO */
125 /* The i830->i865 use multiple DVOs with multiple i2cs */
126 /* the i915, i945 have a single sDVO i2c bus - which is different */
127 #define MAX_OUTPUTS 6
129 /* these are outputs from the chip - integrated only
130 external chips are via DVO or SDVO output */
131 #define INTELFB_OUTPUT_UNUSED 0
132 #define INTELFB_OUTPUT_ANALOG 1
133 #define INTELFB_OUTPUT_DVO 2
134 #define INTELFB_OUTPUT_SDVO 3
135 #define INTELFB_OUTPUT_LVDS 4
136 #define INTELFB_OUTPUT_TVOUT 5
138 #define INTELFB_DVO_CHIP_NONE 0
139 #define INTELFB_DVO_CHIP_LVDS 1
140 #define INTELFB_DVO_CHIP_TMDS 2
141 #define INTELFB_DVO_CHIP_TVOUT 4
143 #define INTELFB_OUTPUT_PIPE_NC 0
144 #define INTELFB_OUTPUT_PIPE_A 1
145 #define INTELFB_OUTPUT_PIPE_B 2
149 /* supported chipsets */
167 struct intelfb_hwstate {
177 u32 palette_a[PALETTE_8_ENTRIES];
178 u32 palette_b[PALETTE_8_ENTRIES];
206 u32 cursor_a_control;
207 u32 cursor_b_control;
215 u32 cursor_a_palette[4];
216 u32 cursor_b_palette[4];
235 struct intelfb_heap_data {
238 u32 offset; /* in GATT pages */
239 u32 size; /* in bytes */
242 #ifdef CONFIG_FB_INTEL_I2C
243 struct intelfb_i2c_chan {
244 struct intelfb_info *dinfo;
246 struct i2c_adapter adapter;
247 struct i2c_algo_bit_data algo;
251 struct intelfb_output_rec {
256 #ifdef CONFIG_FB_INTEL_I2C
257 struct intelfb_i2c_chan i2c_bus;
258 struct intelfb_i2c_chan ddc_bus;
262 struct intelfb_vsync {
263 wait_queue_head_t wait;
269 struct intelfb_info {
270 struct fb_info *info;
271 struct fb_ops *fbops;
272 struct pci_dev *pdev;
274 struct intelfb_hwstate save_state;
276 /* agpgart structs */
277 struct agp_memory *gtt_fb_mem; /* use all stolen memory or vram */
278 struct agp_memory *gtt_ring_mem; /* ring buffer */
279 struct agp_memory *gtt_cursor_mem; /* hw cursor */
281 /* use a gart reserved fb mem */
289 struct intelfb_heap_data aperture;
290 struct intelfb_heap_data fb;
291 struct intelfb_heap_data ring;
292 struct intelfb_heap_data cursor;
296 u8 __iomem *mmio_base;
298 /* fb start offset (in bytes) */
309 u32 pseudo_palette[16];
320 int xres, yres, pitch;
332 unsigned long irq_flags;
336 struct intelfb_vsync vsync;
344 /* initial parameters */
346 struct fb_var_screeninfo initial_var;
348 u32 initial_video_ram;
351 /* driver registered */
354 /* index into plls */
359 struct intelfb_output_rec output[MAX_OUTPUTS];
362 #define IS_I9XX(dinfo) (((dinfo)->chipset == INTEL_915G) || \
363 ((dinfo)->chipset == INTEL_915GM) || \
364 ((dinfo)->chipset == INTEL_945G) || \
365 ((dinfo)->chipset == INTEL_945GM) || \
366 ((dinfo)->chipset == INTEL_965G) || \
367 ((dinfo)->chipset == INTEL_965GM))
369 #ifndef FBIO_WAITFORVSYNC
370 #define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
373 /*** function prototypes ***/
375 extern int intelfb_var_to_depth(const struct fb_var_screeninfo *var);
377 #ifdef CONFIG_FB_INTEL_I2C
378 extern void intelfb_create_i2c_busses(struct intelfb_info *dinfo);
379 extern void intelfb_delete_i2c_busses(struct intelfb_info *dinfo);
382 #endif /* _INTELFB_H */