]> bbs.cooldavid.org Git - net-next-2.6.git/blame - drivers/gpu/drm/i915/i915_drv.h
drm: Use ioremap_wc in i915_driver instead of ioremap, since we always want WC.
[net-next-2.6.git] / drivers / gpu / drm / i915 / i915_drv.h
CommitLineData
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"
673a394b 42#define DRIVER_DATE "20080730"
1da177e4 43
317c35d1
JB
44enum 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
673a394b
EA
63#define WATCH_COHERENCY 0
64#define WATCH_BUF 0
65#define WATCH_EXEC 0
66#define WATCH_LRU 0
67#define WATCH_RELOC 0
68#define WATCH_INACTIVE 0
69#define WATCH_PWRITE 0
70
1da177e4
LT
71typedef struct _drm_i915_ring_buffer {
72 int tail_mask;
1da177e4
LT
73 unsigned long Size;
74 u8 *virtual_start;
75 int head;
76 int tail;
77 int space;
78 drm_local_map_t map;
673a394b 79 struct drm_gem_object *ring_obj;
1da177e4
LT
80} drm_i915_ring_buffer_t;
81
82struct mem_block {
83 struct mem_block *next;
84 struct mem_block *prev;
85 int start;
86 int size;
6c340eac 87 struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
1da177e4
LT
88};
89
a6b54f3f
MD
90typedef struct _drm_i915_vbl_swap {
91 struct list_head head;
92 drm_drawable_t drw_id;
0a3e67a4 93 unsigned int plane;
a6b54f3f
MD
94 unsigned int sequence;
95} drm_i915_vbl_swap_t;
96
0a3e67a4
JB
97struct opregion_header;
98struct opregion_acpi;
99struct opregion_swsci;
100struct opregion_asle;
101
8ee1c3db
MG
102struct intel_opregion {
103 struct opregion_header *header;
104 struct opregion_acpi *acpi;
105 struct opregion_swsci *swsci;
106 struct opregion_asle *asle;
107 int enabled;
108};
109
1da177e4 110typedef struct drm_i915_private {
673a394b
EA
111 struct drm_device *dev;
112
1da177e4
LT
113 drm_local_map_t *sarea;
114 drm_local_map_t *mmio_map;
115
116 drm_i915_sarea_t *sarea_priv;
117 drm_i915_ring_buffer_t ring;
118
9c8da5eb 119 drm_dma_handle_t *status_page_dmah;
1da177e4 120 void *hw_status_page;
1da177e4 121 dma_addr_t dma_status_page;
0a3e67a4 122 uint32_t counter;
dc7a9319
WZ
123 unsigned int status_gfx_addr;
124 drm_local_map_t hws_map;
673a394b 125 struct drm_gem_object *hws_obj;
1da177e4 126
a6b54f3f 127 unsigned int cpp;
1da177e4
LT
128 int back_offset;
129 int front_offset;
130 int current_page;
131 int page_flipping;
1da177e4
LT
132
133 wait_queue_head_t irq_queue;
134 atomic_t irq_received;
ed4cb414
EA
135 /** Protects user_irq_refcount and irq_mask_reg */
136 spinlock_t user_irq_lock;
137 /** Refcount for i915_user_irq_get() versus i915_user_irq_put(). */
138 int user_irq_refcount;
139 /** Cached value of IMR to avoid reads in updating the bitfield */
140 u32 irq_mask_reg;
1da177e4
LT
141
142 int tex_lru_log_granularity;
143 int allow_batchbuffer;
144 struct mem_block *agp_heap;
0d6aa60b 145 unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
702880f2 146 int vblank_pipe;
a6b54f3f
MD
147
148 spinlock_t swaps_lock;
149 drm_i915_vbl_swap_t vbl_swaps;
150 unsigned int swaps_pending;
ba8bbcf6 151
8ee1c3db
MG
152 struct intel_opregion opregion;
153
ba8bbcf6
JB
154 /* Register state */
155 u8 saveLBB;
156 u32 saveDSPACNTR;
157 u32 saveDSPBCNTR;
e948e994 158 u32 saveDSPARB;
ba8bbcf6
JB
159 u32 savePIPEACONF;
160 u32 savePIPEBCONF;
161 u32 savePIPEASRC;
162 u32 savePIPEBSRC;
163 u32 saveFPA0;
164 u32 saveFPA1;
165 u32 saveDPLL_A;
166 u32 saveDPLL_A_MD;
167 u32 saveHTOTAL_A;
168 u32 saveHBLANK_A;
169 u32 saveHSYNC_A;
170 u32 saveVTOTAL_A;
171 u32 saveVBLANK_A;
172 u32 saveVSYNC_A;
173 u32 saveBCLRPAT_A;
0da3ea12 174 u32 savePIPEASTAT;
ba8bbcf6
JB
175 u32 saveDSPASTRIDE;
176 u32 saveDSPASIZE;
177 u32 saveDSPAPOS;
585fb111 178 u32 saveDSPAADDR;
ba8bbcf6
JB
179 u32 saveDSPASURF;
180 u32 saveDSPATILEOFF;
181 u32 savePFIT_PGM_RATIOS;
182 u32 saveBLC_PWM_CTL;
183 u32 saveBLC_PWM_CTL2;
184 u32 saveFPB0;
185 u32 saveFPB1;
186 u32 saveDPLL_B;
187 u32 saveDPLL_B_MD;
188 u32 saveHTOTAL_B;
189 u32 saveHBLANK_B;
190 u32 saveHSYNC_B;
191 u32 saveVTOTAL_B;
192 u32 saveVBLANK_B;
193 u32 saveVSYNC_B;
194 u32 saveBCLRPAT_B;
0da3ea12 195 u32 savePIPEBSTAT;
ba8bbcf6
JB
196 u32 saveDSPBSTRIDE;
197 u32 saveDSPBSIZE;
198 u32 saveDSPBPOS;
585fb111 199 u32 saveDSPBADDR;
ba8bbcf6
JB
200 u32 saveDSPBSURF;
201 u32 saveDSPBTILEOFF;
585fb111
JB
202 u32 saveVGA0;
203 u32 saveVGA1;
204 u32 saveVGA_PD;
ba8bbcf6
JB
205 u32 saveVGACNTRL;
206 u32 saveADPA;
207 u32 saveLVDS;
585fb111
JB
208 u32 savePP_ON_DELAYS;
209 u32 savePP_OFF_DELAYS;
ba8bbcf6
JB
210 u32 saveDVOA;
211 u32 saveDVOB;
212 u32 saveDVOC;
213 u32 savePP_ON;
214 u32 savePP_OFF;
215 u32 savePP_CONTROL;
585fb111 216 u32 savePP_DIVISOR;
ba8bbcf6
JB
217 u32 savePFIT_CONTROL;
218 u32 save_palette_a[256];
219 u32 save_palette_b[256];
220 u32 saveFBC_CFB_BASE;
221 u32 saveFBC_LL_BASE;
222 u32 saveFBC_CONTROL;
223 u32 saveFBC_CONTROL2;
0da3ea12
JB
224 u32 saveIER;
225 u32 saveIIR;
226 u32 saveIMR;
1f84e550 227 u32 saveCACHE_MODE_0;
e948e994 228 u32 saveD_STATE;
585fb111 229 u32 saveCG_2D_DIS;
1f84e550 230 u32 saveMI_ARB_STATE;
ba8bbcf6
JB
231 u32 saveSWF0[16];
232 u32 saveSWF1[16];
233 u32 saveSWF2[3];
234 u8 saveMSR;
235 u8 saveSR[8];
123f794f 236 u8 saveGR[25];
ba8bbcf6 237 u8 saveAR_INDEX;
a59e122a 238 u8 saveAR[21];
ba8bbcf6
JB
239 u8 saveDACMASK;
240 u8 saveDACDATA[256*3]; /* 256 3-byte colors */
a59e122a 241 u8 saveCR[37];
673a394b
EA
242
243 struct {
244 struct drm_mm gtt_space;
245
246 /**
247 * List of objects currently involved in rendering from the
248 * ringbuffer.
249 *
250 * A reference is held on the buffer while on this list.
251 */
252 struct list_head active_list;
253
254 /**
255 * List of objects which are not in the ringbuffer but which
256 * still have a write_domain which needs to be flushed before
257 * unbinding.
258 *
259 * A reference is held on the buffer while on this list.
260 */
261 struct list_head flushing_list;
262
263 /**
264 * LRU list of objects which are not in the ringbuffer and
265 * are ready to unbind, but are still in the GTT.
266 *
267 * A reference is not held on the buffer while on this list,
268 * as merely being GTT-bound shouldn't prevent its being
269 * freed, and we'll pull it off the list in the free path.
270 */
271 struct list_head inactive_list;
272
273 /**
274 * List of breadcrumbs associated with GPU requests currently
275 * outstanding.
276 */
277 struct list_head request_list;
278
279 /**
280 * We leave the user IRQ off as much as possible,
281 * but this means that requests will finish and never
282 * be retired once the system goes idle. Set a timer to
283 * fire periodically while the ring is running. When it
284 * fires, go retire requests.
285 */
286 struct delayed_work retire_work;
287
546b0974
EA
288 /** Work task for vblank-related ring access */
289 struct work_struct vblank_work;
290
673a394b
EA
291 uint32_t next_gem_seqno;
292
293 /**
294 * Waiting sequence number, if any
295 */
296 uint32_t waiting_gem_seqno;
297
298 /**
299 * Last seq seen at irq time
300 */
301 uint32_t irq_gem_seqno;
302
303 /**
304 * Flag if the X Server, and thus DRM, is not currently in
305 * control of the device.
306 *
307 * This is set between LeaveVT and EnterVT. It needs to be
308 * replaced with a semaphore. It also needs to be
309 * transitioned away from for kernel modesetting.
310 */
311 int suspended;
312
313 /**
314 * Flag if the hardware appears to be wedged.
315 *
316 * This is set when attempts to idle the device timeout.
317 * It prevents command submission from occuring and makes
318 * every pending request fail
319 */
320 int wedged;
321
322 /** Bit 6 swizzling required for X tiling */
323 uint32_t bit_6_swizzle_x;
324 /** Bit 6 swizzling required for Y tiling */
325 uint32_t bit_6_swizzle_y;
326 } mm;
1da177e4
LT
327} drm_i915_private_t;
328
673a394b
EA
329/** driver private structure attached to each drm_gem_object */
330struct drm_i915_gem_object {
331 struct drm_gem_object *obj;
332
333 /** Current space allocated to this object in the GTT, if any. */
334 struct drm_mm_node *gtt_space;
335
336 /** This object's place on the active/flushing/inactive lists */
337 struct list_head list;
338
339 /**
340 * This is set if the object is on the active or flushing lists
341 * (has pending rendering), and is not set if it's on inactive (ready
342 * to be unbound).
343 */
344 int active;
345
346 /**
347 * This is set if the object has been written to since last bound
348 * to the GTT
349 */
350 int dirty;
351
352 /** AGP memory structure for our GTT binding. */
353 DRM_AGP_MEM *agp_mem;
354
355 struct page **page_list;
356
357 /**
358 * Current offset of the object in GTT space.
359 *
360 * This is the same as gtt_space->start
361 */
362 uint32_t gtt_offset;
363
364 /** Boolean whether this object has a valid gtt offset. */
365 int gtt_bound;
366
367 /** How many users have pinned this object in GTT space */
368 int pin_count;
369
370 /** Breadcrumb of last rendering to the buffer. */
371 uint32_t last_rendering_seqno;
372
373 /** Current tiling mode for the object. */
374 uint32_t tiling_mode;
375
376 /**
377 * Flagging of which individual pages are valid in GEM_DOMAIN_CPU when
378 * GEM_DOMAIN_CPU is not in the object's read domain.
379 */
380 uint8_t *page_cpu_valid;
381};
382
383/**
384 * Request queue structure.
385 *
386 * The request queue allows us to note sequence numbers that have been emitted
387 * and may be associated with active buffers to be retired.
388 *
389 * By keeping this list, we can avoid having to do questionable
390 * sequence-number comparisons on buffer last_rendering_seqnos, and associate
391 * an emission time with seqnos for tracking how far ahead of the GPU we are.
392 */
393struct drm_i915_gem_request {
394 /** GEM sequence number associated with this request. */
395 uint32_t seqno;
396
397 /** Time at which this request was emitted, in jiffies. */
398 unsigned long emitted_jiffies;
399
400 /** Cache domains that were flushed at the start of the request. */
401 uint32_t flush_domains;
402
403 struct list_head list;
404};
405
406struct drm_i915_file_private {
407 struct {
408 uint32_t last_gem_seqno;
409 uint32_t last_gem_throttle_seqno;
410 } mm;
411};
412
c153f45f 413extern struct drm_ioctl_desc i915_ioctls[];
b3a83639
DA
414extern int i915_max_ioctl;
415
1da177e4 416 /* i915_dma.c */
84b1fd10 417extern void i915_kernel_lost_context(struct drm_device * dev);
22eae947 418extern int i915_driver_load(struct drm_device *, unsigned long flags);
ba8bbcf6 419extern int i915_driver_unload(struct drm_device *);
673a394b 420extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
84b1fd10 421extern void i915_driver_lastclose(struct drm_device * dev);
6c340eac
EA
422extern void i915_driver_preclose(struct drm_device *dev,
423 struct drm_file *file_priv);
673a394b
EA
424extern void i915_driver_postclose(struct drm_device *dev,
425 struct drm_file *file_priv);
84b1fd10 426extern int i915_driver_device_is_agp(struct drm_device * dev);
0d6aa60b
DA
427extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
428 unsigned long arg);
673a394b
EA
429extern int i915_emit_box(struct drm_device *dev,
430 struct drm_clip_rect __user *boxes,
431 int i, int DR1, int DR4);
af6061af 432
1da177e4 433/* i915_irq.c */
c153f45f
EA
434extern int i915_irq_emit(struct drm_device *dev, void *data,
435 struct drm_file *file_priv);
436extern int i915_irq_wait(struct drm_device *dev, void *data,
437 struct drm_file *file_priv);
673a394b
EA
438void i915_user_irq_get(struct drm_device *dev);
439void i915_user_irq_put(struct drm_device *dev);
1da177e4 440
546b0974 441extern void i915_gem_vblank_work_handler(struct work_struct *work);
1da177e4 442extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
84b1fd10 443extern void i915_driver_irq_preinstall(struct drm_device * dev);
0a3e67a4 444extern int i915_driver_irq_postinstall(struct drm_device *dev);
84b1fd10 445extern void i915_driver_irq_uninstall(struct drm_device * dev);
c153f45f
EA
446extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
447 struct drm_file *file_priv);
448extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
449 struct drm_file *file_priv);
0a3e67a4
JB
450extern int i915_enable_vblank(struct drm_device *dev, int crtc);
451extern void i915_disable_vblank(struct drm_device *dev, int crtc);
452extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
c153f45f
EA
453extern int i915_vblank_swap(struct drm_device *dev, void *data,
454 struct drm_file *file_priv);
8ee1c3db 455extern void i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask);
1da177e4
LT
456
457/* i915_mem.c */
c153f45f
EA
458extern int i915_mem_alloc(struct drm_device *dev, void *data,
459 struct drm_file *file_priv);
460extern int i915_mem_free(struct drm_device *dev, void *data,
461 struct drm_file *file_priv);
462extern int i915_mem_init_heap(struct drm_device *dev, void *data,
463 struct drm_file *file_priv);
464extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
465 struct drm_file *file_priv);
1da177e4 466extern void i915_mem_takedown(struct mem_block **heap);
84b1fd10 467extern void i915_mem_release(struct drm_device * dev,
6c340eac 468 struct drm_file *file_priv, struct mem_block *heap);
673a394b
EA
469/* i915_gem.c */
470int i915_gem_init_ioctl(struct drm_device *dev, void *data,
471 struct drm_file *file_priv);
472int i915_gem_create_ioctl(struct drm_device *dev, void *data,
473 struct drm_file *file_priv);
474int i915_gem_pread_ioctl(struct drm_device *dev, void *data,
475 struct drm_file *file_priv);
476int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
477 struct drm_file *file_priv);
478int i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
479 struct drm_file *file_priv);
480int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
481 struct drm_file *file_priv);
482int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data,
483 struct drm_file *file_priv);
484int i915_gem_execbuffer(struct drm_device *dev, void *data,
485 struct drm_file *file_priv);
486int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
487 struct drm_file *file_priv);
488int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
489 struct drm_file *file_priv);
490int i915_gem_busy_ioctl(struct drm_device *dev, void *data,
491 struct drm_file *file_priv);
492int i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
493 struct drm_file *file_priv);
494int i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
495 struct drm_file *file_priv);
496int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
497 struct drm_file *file_priv);
498int i915_gem_set_tiling(struct drm_device *dev, void *data,
499 struct drm_file *file_priv);
500int i915_gem_get_tiling(struct drm_device *dev, void *data,
501 struct drm_file *file_priv);
502void i915_gem_load(struct drm_device *dev);
503int i915_gem_proc_init(struct drm_minor *minor);
504void i915_gem_proc_cleanup(struct drm_minor *minor);
505int i915_gem_init_object(struct drm_gem_object *obj);
506void i915_gem_free_object(struct drm_gem_object *obj);
507int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
508void i915_gem_object_unpin(struct drm_gem_object *obj);
509void i915_gem_lastclose(struct drm_device *dev);
510uint32_t i915_get_gem_seqno(struct drm_device *dev);
511void i915_gem_retire_requests(struct drm_device *dev);
512void i915_gem_retire_work_handler(struct work_struct *work);
513void i915_gem_clflush_object(struct drm_gem_object *obj);
514
515/* i915_gem_tiling.c */
516void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
517
518/* i915_gem_debug.c */
519void i915_gem_dump_object(struct drm_gem_object *obj, int len,
520 const char *where, uint32_t mark);
521#if WATCH_INACTIVE
522void i915_verify_inactive(struct drm_device *dev, char *file, int line);
523#else
524#define i915_verify_inactive(dev, file, line)
525#endif
526void i915_gem_object_check_coherency(struct drm_gem_object *obj, int handle);
527void i915_gem_dump_object(struct drm_gem_object *obj, int len,
528 const char *where, uint32_t mark);
529void i915_dump_lru(struct drm_device *dev, const char *where);
1da177e4 530
317c35d1
JB
531/* i915_suspend.c */
532extern int i915_save_state(struct drm_device *dev);
533extern int i915_restore_state(struct drm_device *dev);
0a3e67a4
JB
534
535/* i915_suspend.c */
536extern int i915_save_state(struct drm_device *dev);
537extern int i915_restore_state(struct drm_device *dev);
317c35d1 538
8ee1c3db
MG
539/* i915_opregion.c */
540extern int intel_opregion_init(struct drm_device *dev);
541extern void intel_opregion_free(struct drm_device *dev);
542extern void opregion_asle_intr(struct drm_device *dev);
543extern void opregion_enable_asle(struct drm_device *dev);
544
546b0974
EA
545/**
546 * Lock test for when it's just for synchronization of ring access.
547 *
548 * In that case, we don't need to do it when GEM is initialized as nobody else
549 * has access to the ring.
550 */
551#define RING_LOCK_TEST_WITH_RETURN(dev, file_priv) do { \
552 if (((drm_i915_private_t *)dev->dev_private)->ring.ring_obj == NULL) \
553 LOCK_TEST_WITH_RETURN(dev, file_priv); \
554} while (0)
555
0d6aa60b
DA
556#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg))
557#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
bc5f4523 558#define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg))
0d6aa60b 559#define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
317c35d1
JB
560#define I915_READ8(reg) DRM_READ8(dev_priv->mmio_map, (reg))
561#define I915_WRITE8(reg,val) DRM_WRITE8(dev_priv->mmio_map, (reg), (val))
1da177e4
LT
562
563#define I915_VERBOSE 0
564
565#define RING_LOCALS unsigned int outring, ringmask, outcount; \
566 volatile char *virt;
567
568#define BEGIN_LP_RING(n) do { \
569 if (I915_VERBOSE) \
3e684eae
MN
570 DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n)); \
571 if (dev_priv->ring.space < (n)*4) \
bf9d8929 572 i915_wait_ring(dev, (n)*4, __func__); \
1da177e4
LT
573 outcount = 0; \
574 outring = dev_priv->ring.tail; \
575 ringmask = dev_priv->ring.tail_mask; \
576 virt = dev_priv->ring.virtual_start; \
577} while (0)
578
579#define OUT_RING(n) do { \
580 if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
c29b669c 581 *(volatile unsigned int *)(virt + outring) = (n); \
1da177e4
LT
582 outcount++; \
583 outring += 4; \
584 outring &= ringmask; \
585} while (0)
586
587#define ADVANCE_LP_RING() do { \
588 if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring); \
589 dev_priv->ring.tail = outring; \
590 dev_priv->ring.space -= outcount * 4; \
585fb111 591 I915_WRITE(PRB0_TAIL, outring); \
1da177e4
LT
592} while(0)
593
ba8bbcf6 594/**
585fb111
JB
595 * Reads a dword out of the status page, which is written to from the command
596 * queue by automatic updates, MI_REPORT_HEAD, MI_STORE_DATA_INDEX, or
597 * MI_STORE_DATA_IMM.
ba8bbcf6 598 *
585fb111
JB
599 * The following dwords have a reserved meaning:
600 * 0: ISR copy, updated when an ISR bit not set in the HWSTAM changes.
601 * 4: ring 0 head pointer
602 * 5: ring 1 head pointer (915-class)
603 * 6: ring 2 head pointer (915-class)
ba8bbcf6 604 *
585fb111 605 * The area from dword 0x10 to 0x3ff is available for driver usage.
ba8bbcf6 606 */
585fb111
JB
607#define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg])
608#define READ_BREADCRUMB(dev_priv) READ_HWSP(dev_priv, 5)
673a394b 609#define I915_GEM_HWS_INDEX 0x10
ba8bbcf6 610
585fb111 611extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
ba8bbcf6
JB
612
613#define IS_I830(dev) ((dev)->pci_device == 0x3577)
614#define IS_845G(dev) ((dev)->pci_device == 0x2562)
615#define IS_I85X(dev) ((dev)->pci_device == 0x3582)
616#define IS_I855(dev) ((dev)->pci_device == 0x3582)
617#define IS_I865G(dev) ((dev)->pci_device == 0x2572)
618
4d1f7888 619#define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a)
ba8bbcf6
JB
620#define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
621#define IS_I945G(dev) ((dev)->pci_device == 0x2772)
3bf48468
JB
622#define IS_I945GM(dev) ((dev)->pci_device == 0x27A2 ||\
623 (dev)->pci_device == 0x27AE)
ba8bbcf6
JB
624#define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \
625 (dev)->pci_device == 0x2982 || \
626 (dev)->pci_device == 0x2992 || \
627 (dev)->pci_device == 0x29A2 || \
628 (dev)->pci_device == 0x2A02 || \
5f5f9d4c 629 (dev)->pci_device == 0x2A12 || \
d3adbc0c
ZW
630 (dev)->pci_device == 0x2A42 || \
631 (dev)->pci_device == 0x2E02 || \
632 (dev)->pci_device == 0x2E12 || \
633 (dev)->pci_device == 0x2E22)
ba8bbcf6
JB
634
635#define IS_I965GM(dev) ((dev)->pci_device == 0x2A02)
636
b9bfdfe6 637#define IS_GM45(dev) ((dev)->pci_device == 0x2A42)
5f5f9d4c 638
d3adbc0c
ZW
639#define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \
640 (dev)->pci_device == 0x2E12 || \
641 (dev)->pci_device == 0x2E22)
642
ba8bbcf6
JB
643#define IS_G33(dev) ((dev)->pci_device == 0x29C2 || \
644 (dev)->pci_device == 0x29B2 || \
645 (dev)->pci_device == 0x29D2)
646
647#define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
648 IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
649
650#define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
b9bfdfe6 651 IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev))
ba8bbcf6 652
b9bfdfe6 653#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
b39d50e5 654
ba8bbcf6 655#define PRIMARY_RINGBUFFER_SIZE (128*1024)
0d6aa60b 656
1da177e4 657#endif