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 "0.9.6"
16 #define INTELFB_MODULE_NAME "intelfb"
17 #define SUPPORTED_CHIPSETS "830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/945GME/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_854 0x358E
57 #define PCI_DEVICE_ID_INTEL_865G 0x2572
58 #define PCI_DEVICE_ID_INTEL_915G 0x2582
59 #define PCI_DEVICE_ID_INTEL_915GM 0x2592
60 #define PCI_DEVICE_ID_INTEL_945G 0x2772
61 #define PCI_DEVICE_ID_INTEL_945GM 0x27A2
62 #define PCI_DEVICE_ID_INTEL_945GME 0x27AE
63 #define PCI_DEVICE_ID_INTEL_965G 0x29A2
64 #define PCI_DEVICE_ID_INTEL_965GM 0x2A02
66 /* Size of MMIO region */
67 #define INTEL_REG_SIZE 0x80000
69 #define STRIDE_ALIGNMENT 16
70 #define STRIDE_ALIGNMENT_I9XX 64
72 #define PALETTE_8_ENTRIES 256
77 /* basic arithmetic */
78 #define KB(x) ((x) * 1024)
79 #define MB(x) ((x) * 1024 * 1024)
80 #define BtoKB(x) ((x) / 1024)
81 #define BtoMB(x) ((x) / 1024 / 1024)
83 #define GTT_PAGE_SIZE KB(4)
85 #define ROUND_UP_TO(x, y) (((x) + (y) - 1) / (y) * (y))
86 #define ROUND_DOWN_TO(x, y) ((x) / (y) * (y))
87 #define ROUND_UP_TO_PAGE(x) ROUND_UP_TO((x), GTT_PAGE_SIZE)
88 #define ROUND_DOWN_TO_PAGE(x) ROUND_DOWN_TO((x), GTT_PAGE_SIZE)
91 #define PFX INTELFB_MODULE_NAME ": "
93 #define ERR_MSG(fmt, args...) printk(KERN_ERR PFX fmt, ## args)
94 #define WRN_MSG(fmt, args...) printk(KERN_WARNING PFX fmt, ## args)
95 #define NOT_MSG(fmt, args...) printk(KERN_NOTICE PFX fmt, ## args)
96 #define INF_MSG(fmt, args...) printk(KERN_INFO PFX fmt, ## args)
98 #define DBG_MSG(fmt, args...) printk(KERN_DEBUG PFX fmt, ## args)
100 #define DBG_MSG(fmt, args...) while (0) printk(fmt, ## args)
103 /* get commonly used pointers */
104 #define GET_DINFO(info) (info)->par
107 #define ACCEL(d, i) \
108 ((d)->accel && !(d)->ring_lockup && \
109 ((i)->var.accel_flags & FB_ACCELF_TEXT))
111 /*#define NOACCEL_CHIPSET(d) \
112 ((d)->chipset != INTEL_865G)*/
113 #define NOACCEL_CHIPSET(d) \
116 #define FIXED_MODE(d) ((d)->fixed_mode)
118 /*** Driver parameters ***/
120 #define RINGBUFFER_SIZE KB(64)
121 #define HW_CURSOR_SIZE KB(4)
123 /* Intel agpgart driver */
124 #define AGP_PHYSICAL_MEMORY 2
126 /* store information about an Ixxx DVO */
127 /* The i830->i865 use multiple DVOs with multiple i2cs */
128 /* the i915, i945 have a single sDVO i2c bus - which is different */
129 #define MAX_OUTPUTS 6
131 /* these are outputs from the chip - integrated only
132 external chips are via DVO or SDVO output */
133 #define INTELFB_OUTPUT_UNUSED 0
134 #define INTELFB_OUTPUT_ANALOG 1
135 #define INTELFB_OUTPUT_DVO 2
136 #define INTELFB_OUTPUT_SDVO 3
137 #define INTELFB_OUTPUT_LVDS 4
138 #define INTELFB_OUTPUT_TVOUT 5
140 #define INTELFB_DVO_CHIP_NONE 0
141 #define INTELFB_DVO_CHIP_LVDS 1
142 #define INTELFB_DVO_CHIP_TMDS 2
143 #define INTELFB_DVO_CHIP_TVOUT 4
145 #define INTELFB_OUTPUT_PIPE_NC 0
146 #define INTELFB_OUTPUT_PIPE_A 1
147 #define INTELFB_OUTPUT_PIPE_B 2
151 /* supported chipsets */
171 struct intelfb_hwstate
{
181 u32 palette_a
[PALETTE_8_ENTRIES
];
182 u32 palette_b
[PALETTE_8_ENTRIES
];
210 u32 cursor_a_control
;
211 u32 cursor_b_control
;
219 u32 cursor_a_palette
[4];
220 u32 cursor_b_palette
[4];
239 struct intelfb_heap_data
{
242 u32 offset
; /* in GATT pages */
243 u32 size
; /* in bytes */
246 #ifdef CONFIG_FB_INTEL_I2C
247 struct intelfb_i2c_chan
{
248 struct intelfb_info
*dinfo
;
250 struct i2c_adapter adapter
;
251 struct i2c_algo_bit_data algo
;
255 struct intelfb_output_rec
{
260 #ifdef CONFIG_FB_INTEL_I2C
261 struct intelfb_i2c_chan i2c_bus
;
262 struct intelfb_i2c_chan ddc_bus
;
266 struct intelfb_vsync
{
267 wait_queue_head_t wait
;
273 struct intelfb_info
{
274 struct fb_info
*info
;
275 struct fb_ops
*fbops
;
276 struct pci_dev
*pdev
;
278 struct intelfb_hwstate save_state
;
280 /* agpgart structs */
281 struct agp_memory
*gtt_fb_mem
; /* use all stolen memory or vram */
282 struct agp_memory
*gtt_ring_mem
; /* ring buffer */
283 struct agp_memory
*gtt_cursor_mem
; /* hw cursor */
285 /* use a gart reserved fb mem */
293 struct intelfb_heap_data aperture
;
294 struct intelfb_heap_data fb
;
295 struct intelfb_heap_data ring
;
296 struct intelfb_heap_data cursor
;
300 u8 __iomem
*mmio_base
;
302 /* fb start offset (in bytes) */
313 u32 pseudo_palette
[16];
324 int xres
, yres
, pitch
;
336 unsigned long irq_flags
;
340 struct intelfb_vsync vsync
;
348 /* initial parameters */
350 struct fb_var_screeninfo initial_var
;
352 u32 initial_video_ram
;
355 /* driver registered */
358 /* index into plls */
363 struct intelfb_output_rec output
[MAX_OUTPUTS
];
366 #define IS_I9XX(dinfo) (((dinfo)->chipset == INTEL_915G) || \
367 ((dinfo)->chipset == INTEL_915GM) || \
368 ((dinfo)->chipset == INTEL_945G) || \
369 ((dinfo)->chipset == INTEL_945GM) || \
370 ((dinfo)->chipset == INTEL_945GME) || \
371 ((dinfo)->chipset == INTEL_965G) || \
372 ((dinfo)->chipset == INTEL_965GM))
374 #ifndef FBIO_WAITFORVSYNC
375 #define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
378 /*** function prototypes ***/
380 extern int intelfb_var_to_depth(const struct fb_var_screeninfo
*var
);
382 #ifdef CONFIG_FB_INTEL_I2C
383 extern void intelfb_create_i2c_busses(struct intelfb_info
*dinfo
);
384 extern void intelfb_delete_i2c_busses(struct intelfb_info
*dinfo
);
387 #endif /* _INTELFB_H */