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1da177e4 LT |
1 | /* i915_drv.h -- Private header for the I915 driver -*- linux-c -*- |
2 | */ | |
0d6aa60b | 3 | /* |
bc54fd1a | 4 | * |
1da177e4 LT |
5 | * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
6 | * All Rights Reserved. | |
bc54fd1a DA |
7 | * |
8 | * Permission is hereby granted, free of charge, to any person obtaining a | |
9 | * copy of this software and associated documentation files (the | |
10 | * "Software"), to deal in the Software without restriction, including | |
11 | * without limitation the rights to use, copy, modify, merge, publish, | |
12 | * distribute, sub license, and/or sell copies of the Software, and to | |
13 | * permit persons to whom the Software is furnished to do so, subject to | |
14 | * the following conditions: | |
15 | * | |
16 | * The above copyright notice and this permission notice (including the | |
17 | * next paragraph) shall be included in all copies or substantial portions | |
18 | * of the Software. | |
19 | * | |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
21 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
22 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. | |
23 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR | |
24 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
25 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
26 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
27 | * | |
0d6aa60b | 28 | */ |
1da177e4 LT |
29 | |
30 | #ifndef _I915_DRV_H_ | |
31 | #define _I915_DRV_H_ | |
32 | ||
585fb111 JB |
33 | #include "i915_reg.h" |
34 | ||
1da177e4 LT |
35 | /* General customization: |
36 | */ | |
37 | ||
38 | #define DRIVER_AUTHOR "Tungsten Graphics, Inc." | |
39 | ||
40 | #define DRIVER_NAME "i915" | |
41 | #define DRIVER_DESC "Intel Graphics" | |
de227f5f | 42 | #define DRIVER_DATE "20060119" |
1da177e4 | 43 | |
317c35d1 JB |
44 | enum pipe { |
45 | PIPE_A = 0, | |
46 | PIPE_B, | |
47 | }; | |
48 | ||
1da177e4 LT |
49 | /* Interface history: |
50 | * | |
51 | * 1.1: Original. | |
0d6aa60b DA |
52 | * 1.2: Add Power Management |
53 | * 1.3: Add vblank support | |
de227f5f | 54 | * 1.4: Fix cmdbuffer path, add heap destroy |
702880f2 | 55 | * 1.5: Add vblank pipe configuration |
2228ed67 MD |
56 | * 1.6: - New ioctl for scheduling buffer swaps on vertical blank |
57 | * - Support vertical blank on secondary display pipe | |
1da177e4 LT |
58 | */ |
59 | #define DRIVER_MAJOR 1 | |
2228ed67 | 60 | #define DRIVER_MINOR 6 |
1da177e4 LT |
61 | #define DRIVER_PATCHLEVEL 0 |
62 | ||
1da177e4 LT |
63 | typedef struct _drm_i915_ring_buffer { |
64 | int tail_mask; | |
65 | unsigned long Start; | |
66 | unsigned long End; | |
67 | unsigned long Size; | |
68 | u8 *virtual_start; | |
69 | int head; | |
70 | int tail; | |
71 | int space; | |
72 | drm_local_map_t map; | |
73 | } drm_i915_ring_buffer_t; | |
74 | ||
75 | struct mem_block { | |
76 | struct mem_block *next; | |
77 | struct mem_block *prev; | |
78 | int start; | |
79 | int size; | |
6c340eac | 80 | struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */ |
1da177e4 LT |
81 | }; |
82 | ||
a6b54f3f MD |
83 | typedef struct _drm_i915_vbl_swap { |
84 | struct list_head head; | |
85 | drm_drawable_t drw_id; | |
af6061af | 86 | unsigned int pipe; |
a6b54f3f MD |
87 | unsigned int sequence; |
88 | } drm_i915_vbl_swap_t; | |
89 | ||
8ee1c3db MG |
90 | struct intel_opregion { |
91 | struct opregion_header *header; | |
92 | struct opregion_acpi *acpi; | |
93 | struct opregion_swsci *swsci; | |
94 | struct opregion_asle *asle; | |
95 | int enabled; | |
96 | }; | |
97 | ||
1da177e4 LT |
98 | typedef struct drm_i915_private { |
99 | drm_local_map_t *sarea; | |
100 | drm_local_map_t *mmio_map; | |
101 | ||
102 | drm_i915_sarea_t *sarea_priv; | |
103 | drm_i915_ring_buffer_t ring; | |
104 | ||
9c8da5eb | 105 | drm_dma_handle_t *status_page_dmah; |
1da177e4 | 106 | void *hw_status_page; |
1da177e4 | 107 | dma_addr_t dma_status_page; |
af6061af | 108 | unsigned long counter; |
dc7a9319 WZ |
109 | unsigned int status_gfx_addr; |
110 | drm_local_map_t hws_map; | |
1da177e4 | 111 | |
a6b54f3f | 112 | unsigned int cpp; |
1da177e4 LT |
113 | int back_offset; |
114 | int front_offset; | |
115 | int current_page; | |
116 | int page_flipping; | |
1da177e4 LT |
117 | |
118 | wait_queue_head_t irq_queue; | |
119 | atomic_t irq_received; | |
af6061af | 120 | atomic_t irq_emitted; |
ed4cb414 EA |
121 | /** Protects user_irq_refcount and irq_mask_reg */ |
122 | spinlock_t user_irq_lock; | |
123 | /** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */ | |
124 | int user_irq_refcount; | |
125 | /** Cached value of IMR to avoid reads in updating the bitfield */ | |
126 | u32 irq_mask_reg; | |
1da177e4 LT |
127 | |
128 | int tex_lru_log_granularity; | |
129 | int allow_batchbuffer; | |
130 | struct mem_block *agp_heap; | |
0d6aa60b | 131 | unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds; |
702880f2 | 132 | int vblank_pipe; |
a6b54f3f MD |
133 | |
134 | spinlock_t swaps_lock; | |
135 | drm_i915_vbl_swap_t vbl_swaps; | |
136 | unsigned int swaps_pending; | |
ba8bbcf6 | 137 | |
8ee1c3db MG |
138 | struct intel_opregion opregion; |
139 | ||
ba8bbcf6 JB |
140 | /* Register state */ |
141 | u8 saveLBB; | |
142 | u32 saveDSPACNTR; | |
143 | u32 saveDSPBCNTR; | |
e948e994 | 144 | u32 saveDSPARB; |
ba8bbcf6 JB |
145 | u32 savePIPEACONF; |
146 | u32 savePIPEBCONF; | |
147 | u32 savePIPEASRC; | |
148 | u32 savePIPEBSRC; | |
149 | u32 saveFPA0; | |
150 | u32 saveFPA1; | |
151 | u32 saveDPLL_A; | |
152 | u32 saveDPLL_A_MD; | |
153 | u32 saveHTOTAL_A; | |
154 | u32 saveHBLANK_A; | |
155 | u32 saveHSYNC_A; | |
156 | u32 saveVTOTAL_A; | |
157 | u32 saveVBLANK_A; | |
158 | u32 saveVSYNC_A; | |
159 | u32 saveBCLRPAT_A; | |
0da3ea12 | 160 | u32 savePIPEASTAT; |
ba8bbcf6 JB |
161 | u32 saveDSPASTRIDE; |
162 | u32 saveDSPASIZE; | |
163 | u32 saveDSPAPOS; | |
585fb111 | 164 | u32 saveDSPAADDR; |
ba8bbcf6 JB |
165 | u32 saveDSPASURF; |
166 | u32 saveDSPATILEOFF; | |
167 | u32 savePFIT_PGM_RATIOS; | |
168 | u32 saveBLC_PWM_CTL; | |
169 | u32 saveBLC_PWM_CTL2; | |
170 | u32 saveFPB0; | |
171 | u32 saveFPB1; | |
172 | u32 saveDPLL_B; | |
173 | u32 saveDPLL_B_MD; | |
174 | u32 saveHTOTAL_B; | |
175 | u32 saveHBLANK_B; | |
176 | u32 saveHSYNC_B; | |
177 | u32 saveVTOTAL_B; | |
178 | u32 saveVBLANK_B; | |
179 | u32 saveVSYNC_B; | |
180 | u32 saveBCLRPAT_B; | |
0da3ea12 | 181 | u32 savePIPEBSTAT; |
ba8bbcf6 JB |
182 | u32 saveDSPBSTRIDE; |
183 | u32 saveDSPBSIZE; | |
184 | u32 saveDSPBPOS; | |
585fb111 | 185 | u32 saveDSPBADDR; |
ba8bbcf6 JB |
186 | u32 saveDSPBSURF; |
187 | u32 saveDSPBTILEOFF; | |
585fb111 JB |
188 | u32 saveVGA0; |
189 | u32 saveVGA1; | |
190 | u32 saveVGA_PD; | |
ba8bbcf6 JB |
191 | u32 saveVGACNTRL; |
192 | u32 saveADPA; | |
193 | u32 saveLVDS; | |
585fb111 JB |
194 | u32 savePP_ON_DELAYS; |
195 | u32 savePP_OFF_DELAYS; | |
ba8bbcf6 JB |
196 | u32 saveDVOA; |
197 | u32 saveDVOB; | |
198 | u32 saveDVOC; | |
199 | u32 savePP_ON; | |
200 | u32 savePP_OFF; | |
201 | u32 savePP_CONTROL; | |
585fb111 | 202 | u32 savePP_DIVISOR; |
ba8bbcf6 JB |
203 | u32 savePFIT_CONTROL; |
204 | u32 save_palette_a[256]; | |
205 | u32 save_palette_b[256]; | |
206 | u32 saveFBC_CFB_BASE; | |
207 | u32 saveFBC_LL_BASE; | |
208 | u32 saveFBC_CONTROL; | |
209 | u32 saveFBC_CONTROL2; | |
0da3ea12 JB |
210 | u32 saveIER; |
211 | u32 saveIIR; | |
212 | u32 saveIMR; | |
1f84e550 | 213 | u32 saveCACHE_MODE_0; |
e948e994 | 214 | u32 saveD_STATE; |
585fb111 | 215 | u32 saveCG_2D_DIS; |
1f84e550 | 216 | u32 saveMI_ARB_STATE; |
ba8bbcf6 JB |
217 | u32 saveSWF0[16]; |
218 | u32 saveSWF1[16]; | |
219 | u32 saveSWF2[3]; | |
220 | u8 saveMSR; | |
221 | u8 saveSR[8]; | |
123f794f | 222 | u8 saveGR[25]; |
ba8bbcf6 | 223 | u8 saveAR_INDEX; |
a59e122a | 224 | u8 saveAR[21]; |
ba8bbcf6 JB |
225 | u8 saveDACMASK; |
226 | u8 saveDACDATA[256*3]; /* 256 3-byte colors */ | |
a59e122a | 227 | u8 saveCR[37]; |
1da177e4 LT |
228 | } drm_i915_private_t; |
229 | ||
c153f45f | 230 | extern struct drm_ioctl_desc i915_ioctls[]; |
b3a83639 DA |
231 | extern int i915_max_ioctl; |
232 | ||
1da177e4 | 233 | /* i915_dma.c */ |
84b1fd10 | 234 | extern void i915_kernel_lost_context(struct drm_device * dev); |
22eae947 | 235 | extern int i915_driver_load(struct drm_device *, unsigned long flags); |
ba8bbcf6 | 236 | extern int i915_driver_unload(struct drm_device *); |
84b1fd10 | 237 | extern void i915_driver_lastclose(struct drm_device * dev); |
6c340eac EA |
238 | extern void i915_driver_preclose(struct drm_device *dev, |
239 | struct drm_file *file_priv); | |
84b1fd10 | 240 | extern int i915_driver_device_is_agp(struct drm_device * dev); |
0d6aa60b DA |
241 | extern long i915_compat_ioctl(struct file *filp, unsigned int cmd, |
242 | unsigned long arg); | |
af6061af | 243 | |
1da177e4 | 244 | /* i915_irq.c */ |
c153f45f EA |
245 | extern int i915_irq_emit(struct drm_device *dev, void *data, |
246 | struct drm_file *file_priv); | |
247 | extern int i915_irq_wait(struct drm_device *dev, void *data, | |
248 | struct drm_file *file_priv); | |
1da177e4 | 249 | |
84b1fd10 DA |
250 | extern int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence); |
251 | extern int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence); | |
1da177e4 | 252 | extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); |
84b1fd10 | 253 | extern void i915_driver_irq_preinstall(struct drm_device * dev); |
af6061af | 254 | extern void i915_driver_irq_postinstall(struct drm_device * dev); |
84b1fd10 | 255 | extern void i915_driver_irq_uninstall(struct drm_device * dev); |
c153f45f EA |
256 | extern int i915_vblank_pipe_set(struct drm_device *dev, void *data, |
257 | struct drm_file *file_priv); | |
258 | extern int i915_vblank_pipe_get(struct drm_device *dev, void *data, | |
259 | struct drm_file *file_priv); | |
260 | extern int i915_vblank_swap(struct drm_device *dev, void *data, | |
261 | struct drm_file *file_priv); | |
8ee1c3db | 262 | extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask); |
1da177e4 LT |
263 | |
264 | /* i915_mem.c */ | |
c153f45f EA |
265 | extern int i915_mem_alloc(struct drm_device *dev, void *data, |
266 | struct drm_file *file_priv); | |
267 | extern int i915_mem_free(struct drm_device *dev, void *data, | |
268 | struct drm_file *file_priv); | |
269 | extern int i915_mem_init_heap(struct drm_device *dev, void *data, | |
270 | struct drm_file *file_priv); | |
271 | extern int i915_mem_destroy_heap(struct drm_device *dev, void *data, | |
272 | struct drm_file *file_priv); | |
1da177e4 | 273 | extern void i915_mem_takedown(struct mem_block **heap); |
84b1fd10 | 274 | extern void i915_mem_release(struct drm_device * dev, |
6c340eac | 275 | struct drm_file *file_priv, struct mem_block *heap); |
1da177e4 | 276 | |
317c35d1 JB |
277 | /* i915_suspend.c */ |
278 | extern int i915_save_state(struct drm_device *dev); | |
279 | extern int i915_restore_state(struct drm_device *dev); | |
280 | ||
8ee1c3db MG |
281 | /* i915_opregion.c */ |
282 | extern int intel_opregion_init(struct drm_device *dev); | |
283 | extern void intel_opregion_free(struct drm_device *dev); | |
284 | extern void opregion_asle_intr(struct drm_device *dev); | |
285 | extern void opregion_enable_asle(struct drm_device *dev); | |
286 | ||
0d6aa60b DA |
287 | #define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg)) |
288 | #define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val)) | |
bc5f4523 | 289 | #define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg)) |
0d6aa60b | 290 | #define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, (reg), (val)) |
317c35d1 JB |
291 | #define I915_READ8(reg) DRM_READ8(dev_priv->mmio_map, (reg)) |
292 | #define I915_WRITE8(reg,val) DRM_WRITE8(dev_priv->mmio_map, (reg), (val)) | |
1da177e4 LT |
293 | |
294 | #define I915_VERBOSE 0 | |
295 | ||
296 | #define RING_LOCALS unsigned int outring, ringmask, outcount; \ | |
297 | volatile char *virt; | |
298 | ||
299 | #define BEGIN_LP_RING(n) do { \ | |
300 | if (I915_VERBOSE) \ | |
3e684eae MN |
301 | DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n)); \ |
302 | if (dev_priv->ring.space < (n)*4) \ | |
bf9d8929 | 303 | i915_wait_ring(dev, (n)*4, __func__); \ |
1da177e4 LT |
304 | outcount = 0; \ |
305 | outring = dev_priv->ring.tail; \ | |
306 | ringmask = dev_priv->ring.tail_mask; \ | |
307 | virt = dev_priv->ring.virtual_start; \ | |
308 | } while (0) | |
309 | ||
310 | #define OUT_RING(n) do { \ | |
311 | if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \ | |
c29b669c | 312 | *(volatile unsigned int *)(virt + outring) = (n); \ |
1da177e4 LT |
313 | outcount++; \ |
314 | outring += 4; \ | |
315 | outring &= ringmask; \ | |
316 | } while (0) | |
317 | ||
318 | #define ADVANCE_LP_RING() do { \ | |
319 | if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring); \ | |
320 | dev_priv->ring.tail = outring; \ | |
321 | dev_priv->ring.space -= outcount * 4; \ | |
585fb111 | 322 | I915_WRITE(PRB0_TAIL, outring); \ |
1da177e4 LT |
323 | } while(0) |
324 | ||
ba8bbcf6 | 325 | /** |
585fb111 JB |
326 | * Reads a dword out of the status page, which is written to from the command |
327 | * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or | |
328 | * MI_STORE_DATA_IMM. | |
ba8bbcf6 | 329 | * |
585fb111 JB |
330 | * The following dwords have a reserved meaning: |
331 | * 0: ISR copy, updated when an ISR bit not set in the HWSTAM changes. | |
332 | * 4: ring 0 head pointer | |
333 | * 5: ring 1 head pointer (915-class) | |
334 | * 6: ring 2 head pointer (915-class) | |
ba8bbcf6 | 335 | * |
585fb111 | 336 | * The area from dword 0x10 to 0x3ff is available for driver usage. |
ba8bbcf6 | 337 | */ |
585fb111 JB |
338 | #define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg]) |
339 | #define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, 5) | |
ba8bbcf6 | 340 | |
585fb111 | 341 | extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); |
ba8bbcf6 JB |
342 | |
343 | #define IS_I830(dev) ((dev)->pci_device == 0x3577) | |
344 | #define IS_845G(dev) ((dev)->pci_device == 0x2562) | |
345 | #define IS_I85X(dev) ((dev)->pci_device == 0x3582) | |
346 | #define IS_I855(dev) ((dev)->pci_device == 0x3582) | |
347 | #define IS_I865G(dev) ((dev)->pci_device == 0x2572) | |
348 | ||
4d1f7888 | 349 | #define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a) |
ba8bbcf6 JB |
350 | #define IS_I915GM(dev) ((dev)->pci_device == 0x2592) |
351 | #define IS_I945G(dev) ((dev)->pci_device == 0x2772) | |
3bf48468 JB |
352 | #define IS_I945GM(dev) ((dev)->pci_device == 0x27A2 ||\ |
353 | (dev)->pci_device == 0x27AE) | |
ba8bbcf6 JB |
354 | #define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \ |
355 | (dev)->pci_device == 0x2982 || \ | |
356 | (dev)->pci_device == 0x2992 || \ | |
357 | (dev)->pci_device == 0x29A2 || \ | |
358 | (dev)->pci_device == 0x2A02 || \ | |
5f5f9d4c | 359 | (dev)->pci_device == 0x2A12 || \ |
d3adbc0c ZW |
360 | (dev)->pci_device == 0x2A42 || \ |
361 | (dev)->pci_device == 0x2E02 || \ | |
362 | (dev)->pci_device == 0x2E12 || \ | |
363 | (dev)->pci_device == 0x2E22) | |
ba8bbcf6 JB |
364 | |
365 | #define IS_I965GM(dev) ((dev)->pci_device == 0x2A02) | |
366 | ||
5f5f9d4c ZW |
367 | #define IS_IGD_GM(dev) ((dev)->pci_device == 0x2A42) |
368 | ||
d3adbc0c ZW |
369 | #define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \ |
370 | (dev)->pci_device == 0x2E12 || \ | |
371 | (dev)->pci_device == 0x2E22) | |
372 | ||
ba8bbcf6 JB |
373 | #define IS_G33(dev) ((dev)->pci_device == 0x29C2 || \ |
374 | (dev)->pci_device == 0x29B2 || \ | |
375 | (dev)->pci_device == 0x29D2) | |
376 | ||
377 | #define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \ | |
378 | IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev)) | |
379 | ||
380 | #define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \ | |
5f5f9d4c | 381 | IS_I945GM(dev) || IS_I965GM(dev) || IS_IGD_GM(dev)) |
ba8bbcf6 | 382 | |
d3adbc0c | 383 | #define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_IGD_GM(dev) || IS_G4X(dev)) |
b39d50e5 | 384 | |
ba8bbcf6 | 385 | #define PRIMARY_RINGBUFFER_SIZE (128*1024) |
0d6aa60b | 386 | |
1da177e4 | 387 | #endif |