ext4: fix undefined behavior in ext4_fill_flex_info()
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / video / intelfb / intelfb.h
blob40984551c9275827146d101f6caf69f904bd14dc
1 #ifndef _INTELFB_H
2 #define _INTELFB_H
4 /* $DHD: intelfb/intelfb.h,v 1.40 2003/06/27 15:06:25 dawes Exp $ */
6 #include <linux/agp_backend.h>
7 #include <linux/fb.h>
9 #ifdef CONFIG_FB_INTEL_I2C
10 #include <linux/i2c.h>
11 #include <linux/i2c-algo-bit.h>
12 #endif
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 ***/
22 #ifndef DEBUG
23 #define DEBUG 0
24 #endif
26 #ifndef VERBOSE
27 #define VERBOSE 0
28 #endif
30 #ifndef REGDUMP
31 #define REGDUMP 0
32 #endif
34 #ifndef DETECT_VGA_CLASS_ONLY
35 #define DETECT_VGA_CLASS_ONLY 1
36 #endif
38 #ifndef ALLOCATE_FOR_PANNING
39 #define ALLOCATE_FOR_PANNING 1
40 #endif
42 #ifndef PREFERRED_MODE
43 #define PREFERRED_MODE "1024x768-32@70"
44 #endif
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
75 /*** Macros ***/
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)
90 /* messages */
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)
97 #if DEBUG
98 #define DBG_MSG(fmt, args...) printk(KERN_DEBUG PFX fmt, ## args)
99 #else
100 #define DBG_MSG(fmt, args...) while (0) printk(fmt, ## args)
101 #endif
103 /* get commonly used pointers */
104 #define GET_DINFO(info) (info)->par
106 /* misc macros */
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
149 /*** Data Types ***/
151 /* supported chipsets */
152 enum intel_chips {
153 INTEL_830M,
154 INTEL_845G,
155 INTEL_85XGM,
156 INTEL_852GM,
157 INTEL_852GME,
158 INTEL_854,
159 INTEL_855GM,
160 INTEL_855GME,
161 INTEL_865G,
162 INTEL_915G,
163 INTEL_915GM,
164 INTEL_945G,
165 INTEL_945GM,
166 INTEL_945GME,
167 INTEL_965G,
168 INTEL_965GM,
171 struct intelfb_hwstate {
172 u32 vga0_divisor;
173 u32 vga1_divisor;
174 u32 vga_pd;
175 u32 dpll_a;
176 u32 dpll_b;
177 u32 fpa0;
178 u32 fpa1;
179 u32 fpb0;
180 u32 fpb1;
181 u32 palette_a[PALETTE_8_ENTRIES];
182 u32 palette_b[PALETTE_8_ENTRIES];
183 u32 htotal_a;
184 u32 hblank_a;
185 u32 hsync_a;
186 u32 vtotal_a;
187 u32 vblank_a;
188 u32 vsync_a;
189 u32 src_size_a;
190 u32 bclrpat_a;
191 u32 htotal_b;
192 u32 hblank_b;
193 u32 hsync_b;
194 u32 vtotal_b;
195 u32 vblank_b;
196 u32 vsync_b;
197 u32 src_size_b;
198 u32 bclrpat_b;
199 u32 adpa;
200 u32 dvoa;
201 u32 dvob;
202 u32 dvoc;
203 u32 dvoa_srcdim;
204 u32 dvob_srcdim;
205 u32 dvoc_srcdim;
206 u32 lvds;
207 u32 pipe_a_conf;
208 u32 pipe_b_conf;
209 u32 disp_arb;
210 u32 cursor_a_control;
211 u32 cursor_b_control;
212 u32 cursor_a_base;
213 u32 cursor_b_base;
214 u32 cursor_size;
215 u32 disp_a_ctrl;
216 u32 disp_b_ctrl;
217 u32 disp_a_base;
218 u32 disp_b_base;
219 u32 cursor_a_palette[4];
220 u32 cursor_b_palette[4];
221 u32 disp_a_stride;
222 u32 disp_b_stride;
223 u32 vgacntrl;
224 u32 add_id;
225 u32 swf0x[7];
226 u32 swf1x[7];
227 u32 swf3x[3];
228 u32 fence[8];
229 u32 instpm;
230 u32 mem_mode;
231 u32 fw_blc_0;
232 u32 fw_blc_1;
233 u16 hwstam;
234 u16 ier;
235 u16 iir;
236 u16 imr;
239 struct intelfb_heap_data {
240 u32 physical;
241 u8 __iomem *virtual;
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;
249 u32 reg;
250 struct i2c_adapter adapter;
251 struct i2c_algo_bit_data algo;
253 #endif
255 struct intelfb_output_rec {
256 int type;
257 int pipe;
258 int flags;
260 #ifdef CONFIG_FB_INTEL_I2C
261 struct intelfb_i2c_chan i2c_bus;
262 struct intelfb_i2c_chan ddc_bus;
263 #endif
266 struct intelfb_vsync {
267 wait_queue_head_t wait;
268 unsigned int count;
269 int pan_display;
270 u32 pan_offset;
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 */
286 u8 fbmem_gart;
288 /* mtrr support */
289 int mtrr_reg;
290 u32 has_mtrr;
292 /* heap data */
293 struct intelfb_heap_data aperture;
294 struct intelfb_heap_data fb;
295 struct intelfb_heap_data ring;
296 struct intelfb_heap_data cursor;
298 /* mmio regs */
299 u32 mmio_base_phys;
300 u8 __iomem *mmio_base;
302 /* fb start offset (in bytes) */
303 u32 fb_start;
305 /* ring buffer */
306 u32 ring_head;
307 u32 ring_tail;
308 u32 ring_tail_mask;
309 u32 ring_space;
310 u32 ring_lockup;
312 /* palette */
313 u32 pseudo_palette[16];
315 /* chip info */
316 int pci_chipset;
317 int chipset;
318 const char *name;
319 int mobile;
321 /* current mode */
322 int bpp, depth;
323 u32 visual;
324 int xres, yres, pitch;
325 int pixclock;
327 /* current pipe */
328 int pipe;
330 /* some flags */
331 int accel;
332 int hwcursor;
333 int fixed_mode;
334 int ring_active;
335 int flag;
336 unsigned long irq_flags;
337 int open;
339 /* vsync */
340 struct intelfb_vsync vsync;
341 spinlock_t int_lock;
343 /* hw cursor */
344 int cursor_on;
345 int cursor_blanked;
346 u8 cursor_src[64];
348 /* initial parameters */
349 int initial_vga;
350 struct fb_var_screeninfo initial_var;
351 u32 initial_fb_base;
352 u32 initial_video_ram;
353 u32 initial_pitch;
355 /* driver registered */
356 int registered;
358 /* index into plls */
359 int pll_index;
361 /* outputs */
362 int num_outputs;
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)
376 #endif
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);
385 #endif
387 #endif /* _INTELFB_H */