1 /* BEGIN CSTYLED */
2
3 /*
4 * i915_drv.c -- Intel i915 driver -*- linux-c -*-
5 * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com
6 */
7
8 /*
9 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
10 * Copyright (c) 2009, Intel Corporation.
11 * All Rights Reserved.
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining a
14 * copy of this software and associated documentation files (the "Software"),
15 * to deal in the Software without restriction, including without limitation
16 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
17 * and/or sell copies of the Software, and to permit persons to whom the
18 * Software is furnished to do so, subject to the following conditions:
19 *
20 * The above copyright notice and this permission notice (including the next
21 * paragraph) shall be included in all copies or substantial portions of the
22 * Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
27 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
28 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
29 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
30 * OTHER DEALINGS IN THE SOFTWARE.
31 *
32 * Authors:
33 * Gareth Hughes <gareth@valinux.com>
34 *
35 */
36
37 /*
38 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
39 * Use is subject to license terms.
40 */
41
42 /*
43 * I915 DRM Driver for Solaris
44 *
45 * This driver provides the hardware 3D acceleration support for Intel
46 * integrated video devices (e.g. i8xx/i915/i945 series chipsets), under the
47 * DRI (Direct Rendering Infrastructure). DRM (Direct Rendering Manager) here
48 * means the kernel device driver in DRI.
49 *
50 * I915 driver is a device dependent driver only, it depends on a misc module
51 * named drm for generic DRM operations.
52 */
53
54 #include "drmP.h"
55 #include "i915_drm.h"
56 #include "i915_drv.h"
57 #include "drm_pciids.h"
58
59 /*
60 * copied from vgasubr.h
61 */
62
63 struct vgaregmap {
64 uint8_t *addr;
65 ddi_acc_handle_t handle;
66 boolean_t mapped;
67 };
68
69 enum pipe {
70 PIPE_A = 0,
71 PIPE_B,
72 };
73
74
75 /*
76 * cb_ops entrypoint
77 */
78 extern struct cb_ops drm_cb_ops;
79
80 /*
81 * module entrypoint
82 */
83 static int i915_info(dev_info_t *, ddi_info_cmd_t, void *, void **);
84 static int i915_attach(dev_info_t *, ddi_attach_cmd_t);
85 static int i915_detach(dev_info_t *, ddi_detach_cmd_t);
86
87
88 /* drv_PCI_IDs comes from drm_pciids.h */
89 static drm_pci_id_list_t i915_pciidlist[] = {
90 i915_PCI_IDS
91 };
92
93 /*
94 * Local routines
95 */
96 static void i915_configure(drm_driver_t *);
97 static int i915_quiesce(dev_info_t *dip);
98
99 /*
100 * DRM driver
101 */
102 static drm_driver_t i915_driver = {0};
103
104
105 static struct dev_ops i915_dev_ops = {
106 DEVO_REV, /* devo_rev */
107 0, /* devo_refcnt */
108 i915_info, /* devo_getinfo */
109 nulldev, /* devo_identify */
110 nulldev, /* devo_probe */
111 i915_attach, /* devo_attach */
112 i915_detach, /* devo_detach */
113 nodev, /* devo_reset */
114 &drm_cb_ops, /* devo_cb_ops */
115 NULL, /* devo_bus_ops */
116 NULL, /* power */
117 i915_quiesce, /* devo_quiesce */
118 };
119
120 static struct modldrv modldrv = {
121 &mod_driverops, /* drv_modops */
122 "I915 DRM driver", /* drv_linkinfo */
123 &i915_dev_ops, /* drv_dev_ops */
124 };
125
126 static struct modlinkage modlinkage = {
127 MODREV_1, (void *) &modldrv, NULL
128 };
129
130 static ddi_device_acc_attr_t s3_attr = {
131 DDI_DEVICE_ATTR_V0,
132 DDI_NEVERSWAP_ACC,
133 DDI_STRICTORDER_ACC /* must be DDI_STRICTORDER_ACC */
134 };
135
136 /*
137 * softstate head
138 */
139 static void *i915_statep;
140
141 int
142 _init(void)
143 {
144 int error;
145
146 i915_configure(&i915_driver);
147
148 if ((error = ddi_soft_state_init(&i915_statep,
149 sizeof (drm_device_t), DRM_MAX_INSTANCES)) != 0)
150 return (error);
151
152 if ((error = mod_install(&modlinkage)) != 0) {
153 ddi_soft_state_fini(&i915_statep);
154 return (error);
155 }
156
157 return (error);
158
159 } /* _init() */
160
161 int
162 _fini(void)
163 {
164 int error;
165
166 if ((error = mod_remove(&modlinkage)) != 0)
167 return (error);
168
169 (void) ddi_soft_state_fini(&i915_statep);
170
171 return (0);
172
173 } /* _fini() */
174
175 int
176 _info(struct modinfo *modinfop)
177 {
178 return (mod_info(&modlinkage, modinfop));
179
180 } /* _info() */
181
182 /*
183 * off range: 0x3b0 ~ 0x3ff
184 */
185
186 static void
187 vga_reg_put8(struct vgaregmap *regmap, uint16_t off, uint8_t val)
188 {
189 ASSERT((off >= 0x3b0) && (off <= 0x3ff));
190
191 ddi_put8(regmap->handle, regmap->addr + off, val);
192 }
193
194 /*
195 * off range: 0x3b0 ~ 0x3ff
196 */
197 static uint8_t
198 vga_reg_get8(struct vgaregmap *regmap, uint16_t off)
199 {
200
201 ASSERT((off >= 0x3b0) && (off <= 0x3ff));
202
203 return (ddi_get8(regmap->handle, regmap->addr + off));
204 }
205
206 static void
207 i915_write_indexed(struct vgaregmap *regmap,
208 uint16_t index_port, uint16_t data_port, uint8_t index, uint8_t val)
209 {
210 vga_reg_put8(regmap, index_port, index);
211 vga_reg_put8(regmap, data_port, val);
212 }
213
214 static uint8_t
215 i915_read_indexed(struct vgaregmap *regmap,
216 uint16_t index_port, uint16_t data_port, uint8_t index)
217 {
218 vga_reg_put8(regmap, index_port, index);
219 return (vga_reg_get8(regmap, data_port));
220 }
221
222 static void
223 i915_write_ar(struct vgaregmap *regmap, uint16_t st01,
224 uint8_t reg, uint8_t val, uint8_t palette_enable)
225 {
226 (void) vga_reg_get8(regmap, st01);
227 vga_reg_put8(regmap, VGA_AR_INDEX, palette_enable | reg);
228 vga_reg_put8(regmap, VGA_AR_DATA_WRITE, val);
229 }
230
231 static uint8_t
232 i915_read_ar(struct vgaregmap *regmap, uint16_t st01,
233 uint8_t index, uint8_t palette_enable)
234 {
235 (void) vga_reg_get8(regmap, st01);
236 vga_reg_put8(regmap, VGA_AR_INDEX, index | palette_enable);
237 return (vga_reg_get8(regmap, VGA_AR_DATA_READ));
238 }
239
240 static int
241 i915_pipe_enabled(struct drm_device *dev, enum pipe pipe)
242 {
243 struct s3_i915_private *s3_priv = dev->s3_private;
244
245 if (pipe == PIPE_A)
246 return (S3_READ(DPLL_A) & DPLL_VCO_ENABLE);
247 else
248 return (S3_READ(DPLL_B) & DPLL_VCO_ENABLE);
249 }
250
251 static void
252 i915_save_palette(struct drm_device *dev, enum pipe pipe)
253 {
254 struct s3_i915_private *s3_priv = dev->s3_private;
255 unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
256 uint32_t *array;
257 int i;
258
259 if (!i915_pipe_enabled(dev, pipe))
260 return;
261
262 if (pipe == PIPE_A)
263 array = s3_priv->save_palette_a;
264 else
265 array = s3_priv->save_palette_b;
266
267 for(i = 0; i < 256; i++)
268 array[i] = S3_READ(reg + (i << 2));
269
270 }
271
272 static void
273 i915_restore_palette(struct drm_device *dev, enum pipe pipe)
274 {
275 struct s3_i915_private *s3_priv = dev->s3_private;
276 unsigned long reg = (pipe == PIPE_A ? PALETTE_A : PALETTE_B);
277 uint32_t *array;
278 int i;
279
280 if (!i915_pipe_enabled(dev, pipe))
281 return;
282
283 if (pipe == PIPE_A)
284 array = s3_priv->save_palette_a;
285 else
286 array = s3_priv->save_palette_b;
287
288 for(i = 0; i < 256; i++)
289 S3_WRITE(reg + (i << 2), array[i]);
290 }
291
292 static void
293 i915_save_vga(struct drm_device *dev)
294 {
295 struct s3_i915_private *s3_priv = dev->s3_private;
296 int i;
297 uint16_t cr_index, cr_data, st01;
298 struct vgaregmap regmap;
299
300 regmap.addr = (uint8_t *)s3_priv->saveAddr;
301 regmap.handle = s3_priv->saveHandle;
302
303 /* VGA color palette registers */
304 s3_priv->saveDACMASK = vga_reg_get8(®map, VGA_DACMASK);
305 /* DACCRX automatically increments during read */
306 vga_reg_put8(®map, VGA_DACRX, 0);
307 /* Read 3 bytes of color data from each index */
308 for (i = 0; i < 256 * 3; i++)
309 s3_priv->saveDACDATA[i] = vga_reg_get8(®map, VGA_DACDATA);
310
311 /* MSR bits */
312 s3_priv->saveMSR = vga_reg_get8(®map, VGA_MSR_READ);
313 if (s3_priv->saveMSR & VGA_MSR_CGA_MODE) {
314 cr_index = VGA_CR_INDEX_CGA;
315 cr_data = VGA_CR_DATA_CGA;
316 st01 = VGA_ST01_CGA;
317 } else {
318 cr_index = VGA_CR_INDEX_MDA;
319 cr_data = VGA_CR_DATA_MDA;
320 st01 = VGA_ST01_MDA;
321 }
322
323 /* CRT controller regs */
324 i915_write_indexed(®map, cr_index, cr_data, 0x11,
325 i915_read_indexed(®map, cr_index, cr_data, 0x11) & (~0x80));
326 for (i = 0; i <= 0x24; i++)
327 s3_priv->saveCR[i] =
328 i915_read_indexed(®map, cr_index, cr_data, i);
329 /* Make sure we don't turn off CR group 0 writes */
330 s3_priv->saveCR[0x11] &= ~0x80;
331
332 /* Attribute controller registers */
333 (void) vga_reg_get8(®map, st01);
334 s3_priv->saveAR_INDEX = vga_reg_get8(®map, VGA_AR_INDEX);
335 for (i = 0; i <= 0x14; i++)
336 s3_priv->saveAR[i] = i915_read_ar(®map, st01, i, 0);
337 (void) vga_reg_get8(®map, st01);
338 vga_reg_put8(®map, VGA_AR_INDEX, s3_priv->saveAR_INDEX);
339 (void) vga_reg_get8(®map, st01);
340
341 /* Graphics controller registers */
342 for (i = 0; i < 9; i++)
343 s3_priv->saveGR[i] =
344 i915_read_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, i);
345
346 s3_priv->saveGR[0x10] =
347 i915_read_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, 0x10);
348 s3_priv->saveGR[0x11] =
349 i915_read_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, 0x11);
350 s3_priv->saveGR[0x18] =
351 i915_read_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, 0x18);
352
353 /* Sequencer registers */
354 for (i = 0; i < 8; i++)
355 s3_priv->saveSR[i] =
356 i915_read_indexed(®map, VGA_SR_INDEX, VGA_SR_DATA, i);
357 }
358
359 static void
360 i915_restore_vga(struct drm_device *dev)
361 {
362 struct s3_i915_private *s3_priv = dev->s3_private;
363 int i;
364 uint16_t cr_index, cr_data, st01;
365 struct vgaregmap regmap;
366
367 regmap.addr = (uint8_t *)s3_priv->saveAddr;
368 regmap.handle = s3_priv->saveHandle;
369
370 /*
371 * I/O Address Select. This bit selects 3Bxh or 3Dxh as the
372 * I/O address for the CRT Controller registers,
373 * the Feature Control Register (FCR), and Input Status Register
374 * 1 (ST01). Presently ignored (whole range is claimed), but
375 * will "ignore" 3Bx for color configuration or 3Dx for monochrome.
376 * Note that it is typical in AGP chipsets to shadow this bit
377 * and properly steer I/O cycles to the proper bus for operation
378 * where a MDA exists on another bus such as ISA.
379 * 0 = Select 3Bxh I/O address (MDA emulation) (default).
380 * 1 = Select 3Dxh I/O address (CGA emulation).
381 */
382 vga_reg_put8(®map, VGA_MSR_WRITE, s3_priv->saveMSR);
383
384 if (s3_priv->saveMSR & VGA_MSR_CGA_MODE) {
385 cr_index = VGA_CR_INDEX_CGA;
386 cr_data = VGA_CR_DATA_CGA;
387 st01 = VGA_ST01_CGA;
388 } else {
389 cr_index = VGA_CR_INDEX_MDA;
390 cr_data = VGA_CR_DATA_MDA;
391 st01 = VGA_ST01_MDA;
392 }
393
394 /* Sequencer registers, don't write SR07 */
395 for (i = 0; i < 7; i++)
396 i915_write_indexed(®map, VGA_SR_INDEX, VGA_SR_DATA, i,
397 s3_priv->saveSR[i]);
398 /* CRT controller regs */
399 /* Enable CR group 0 writes */
400 i915_write_indexed(®map, cr_index, cr_data,
401 0x11, s3_priv->saveCR[0x11]);
402 for (i = 0; i <= 0x24; i++)
403 i915_write_indexed(®map, cr_index,
404 cr_data, i, s3_priv->saveCR[i]);
405
406 /* Graphics controller regs */
407 for (i = 0; i < 9; i++)
408 i915_write_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, i,
409 s3_priv->saveGR[i]);
410
411 i915_write_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, 0x10,
412 s3_priv->saveGR[0x10]);
413 i915_write_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, 0x11,
414 s3_priv->saveGR[0x11]);
415 i915_write_indexed(®map, VGA_GR_INDEX, VGA_GR_DATA, 0x18,
416 s3_priv->saveGR[0x18]);
417
418 /* Attribute controller registers */
419 (void) vga_reg_get8(®map, st01); /* switch back to index mode */
420 for (i = 0; i <= 0x14; i++)
421 i915_write_ar(®map, st01, i, s3_priv->saveAR[i], 0);
422 (void) vga_reg_get8(®map, st01); /* switch back to index mode */
423 vga_reg_put8(®map, VGA_AR_INDEX, s3_priv->saveAR_INDEX | 0x20);
424 (void) vga_reg_get8(®map, st01); /* switch back to index mode */
425
426 /* VGA color palette registers */
427 vga_reg_put8(®map, VGA_DACMASK, s3_priv->saveDACMASK);
428 /* DACCRX automatically increments during read */
429 vga_reg_put8(®map, VGA_DACWX, 0);
430 /* Read 3 bytes of color data from each index */
431 for (i = 0; i < 256 * 3; i++)
432 vga_reg_put8(®map, VGA_DACDATA, s3_priv->saveDACDATA[i]);
433 }
434
435 /**
436 * i915_save_display - save display & mode info
437 * @dev: DRM device
438 *
439 * Save mode timings and display info.
440 */
441 void i915_save_display(struct drm_device *dev)
442 {
443 struct s3_i915_private *s3_priv = dev->s3_private;
444
445 /* Display arbitration control */
446 s3_priv->saveDSPARB = S3_READ(DSPARB);
447
448 /*
449 * Pipe & plane A info.
450 */
451 s3_priv->savePIPEACONF = S3_READ(PIPEACONF);
452 s3_priv->savePIPEASRC = S3_READ(PIPEASRC);
453 s3_priv->saveFPA0 = S3_READ(FPA0);
454 s3_priv->saveFPA1 = S3_READ(FPA1);
455 s3_priv->saveDPLL_A = S3_READ(DPLL_A);
456 if (IS_I965G(dev))
457 s3_priv->saveDPLL_A_MD = S3_READ(DPLL_A_MD);
458 s3_priv->saveHTOTAL_A = S3_READ(HTOTAL_A);
459 s3_priv->saveHBLANK_A = S3_READ(HBLANK_A);
460 s3_priv->saveHSYNC_A = S3_READ(HSYNC_A);
461 s3_priv->saveVTOTAL_A = S3_READ(VTOTAL_A);
462 s3_priv->saveVBLANK_A = S3_READ(VBLANK_A);
463 s3_priv->saveVSYNC_A = S3_READ(VSYNC_A);
464 s3_priv->saveBCLRPAT_A = S3_READ(BCLRPAT_A);
465
466 s3_priv->saveDSPACNTR = S3_READ(DSPACNTR);
467 s3_priv->saveDSPASTRIDE = S3_READ(DSPASTRIDE);
468 s3_priv->saveDSPASIZE = S3_READ(DSPASIZE);
469 s3_priv->saveDSPAPOS = S3_READ(DSPAPOS);
470 s3_priv->saveDSPABASE = S3_READ(DSPABASE);
471 if (IS_I965G(dev)) {
472 s3_priv->saveDSPASURF = S3_READ(DSPASURF);
473 s3_priv->saveDSPATILEOFF = S3_READ(DSPATILEOFF);
474 }
475 i915_save_palette(dev, PIPE_A);
476 s3_priv->savePIPEASTAT = S3_READ(PIPEASTAT);
477
478 /*
479 * Pipe & plane B info
480 */
481 s3_priv->savePIPEBCONF = S3_READ(PIPEBCONF);
482 s3_priv->savePIPEBSRC = S3_READ(PIPEBSRC);
483 s3_priv->saveFPB0 = S3_READ(FPB0);
484 s3_priv->saveFPB1 = S3_READ(FPB1);
485 s3_priv->saveDPLL_B = S3_READ(DPLL_B);
486 if (IS_I965G(dev))
487 s3_priv->saveDPLL_B_MD = S3_READ(DPLL_B_MD);
488 s3_priv->saveHTOTAL_B = S3_READ(HTOTAL_B);
489 s3_priv->saveHBLANK_B = S3_READ(HBLANK_B);
490 s3_priv->saveHSYNC_B = S3_READ(HSYNC_B);
491 s3_priv->saveVTOTAL_B = S3_READ(VTOTAL_B);
492 s3_priv->saveVBLANK_B = S3_READ(VBLANK_B);
493 s3_priv->saveVSYNC_B = S3_READ(VSYNC_B);
494 s3_priv->saveBCLRPAT_A = S3_READ(BCLRPAT_A);
495
496 s3_priv->saveDSPBCNTR = S3_READ(DSPBCNTR);
497 s3_priv->saveDSPBSTRIDE = S3_READ(DSPBSTRIDE);
498 s3_priv->saveDSPBSIZE = S3_READ(DSPBSIZE);
499 s3_priv->saveDSPBPOS = S3_READ(DSPBPOS);
500 s3_priv->saveDSPBBASE = S3_READ(DSPBBASE);
501 if (IS_I965GM(dev) || IS_GM45(dev)) {
502 s3_priv->saveDSPBSURF = S3_READ(DSPBSURF);
503 s3_priv->saveDSPBTILEOFF = S3_READ(DSPBTILEOFF);
504 }
505 i915_save_palette(dev, PIPE_B);
506 s3_priv->savePIPEBSTAT = S3_READ(PIPEBSTAT);
507
508 /*
509 * CRT state
510 */
511 s3_priv->saveADPA = S3_READ(ADPA);
512
513 /*
514 * LVDS state
515 */
516 s3_priv->savePP_CONTROL = S3_READ(PP_CONTROL);
517 s3_priv->savePFIT_PGM_RATIOS = S3_READ(PFIT_PGM_RATIOS);
518 s3_priv->saveBLC_PWM_CTL = S3_READ(BLC_PWM_CTL);
519 if (IS_I965G(dev))
520 s3_priv->saveBLC_PWM_CTL2 = S3_READ(BLC_PWM_CTL2);
521 if (IS_MOBILE(dev) && !IS_I830(dev))
522 s3_priv->saveLVDS = S3_READ(LVDS);
523 if (!IS_I830(dev) && !IS_845G(dev))
524 s3_priv->savePFIT_CONTROL = S3_READ(PFIT_CONTROL);
525 s3_priv->saveLVDSPP_ON = S3_READ(LVDSPP_ON);
526 s3_priv->saveLVDSPP_OFF = S3_READ(LVDSPP_OFF);
527 s3_priv->savePP_CYCLE = S3_READ(PP_CYCLE);
528
529 /* FIXME: save TV & SDVO state */
530
531 /* FBC state */
532 s3_priv->saveFBC_CFB_BASE = S3_READ(FBC_CFB_BASE);
533 s3_priv->saveFBC_LL_BASE = S3_READ(FBC_LL_BASE);
534 s3_priv->saveFBC_CONTROL2 = S3_READ(FBC_CONTROL2);
535 s3_priv->saveFBC_CONTROL = S3_READ(FBC_CONTROL);
536
537 /* VGA state */
538 s3_priv->saveVCLK_DIVISOR_VGA0 = S3_READ(VCLK_DIVISOR_VGA0);
539 s3_priv->saveVCLK_DIVISOR_VGA1 = S3_READ(VCLK_DIVISOR_VGA1);
540 s3_priv->saveVCLK_POST_DIV = S3_READ(VCLK_POST_DIV);
541 s3_priv->saveVGACNTRL = S3_READ(VGACNTRL);
542
543 i915_save_vga(dev);
544 }
545
546 void i915_restore_display(struct drm_device *dev)
547 {
548 struct s3_i915_private *s3_priv = dev->s3_private;
549
550 S3_WRITE(DSPARB, s3_priv->saveDSPARB);
551
552 /*
553 * Pipe & plane A info
554 * Prime the clock
555 */
556 if (s3_priv->saveDPLL_A & DPLL_VCO_ENABLE) {
557 S3_WRITE(DPLL_A, s3_priv->saveDPLL_A &
558 ~DPLL_VCO_ENABLE);
559 drv_usecwait(150);
560 }
561 S3_WRITE(FPA0, s3_priv->saveFPA0);
562 S3_WRITE(FPA1, s3_priv->saveFPA1);
563 /* Actually enable it */
564 S3_WRITE(DPLL_A, s3_priv->saveDPLL_A);
565 drv_usecwait(150);
566 if (IS_I965G(dev))
567 S3_WRITE(DPLL_A_MD, s3_priv->saveDPLL_A_MD);
568 drv_usecwait(150);
569
570 /* Restore mode */
571 S3_WRITE(HTOTAL_A, s3_priv->saveHTOTAL_A);
572 S3_WRITE(HBLANK_A, s3_priv->saveHBLANK_A);
573 S3_WRITE(HSYNC_A, s3_priv->saveHSYNC_A);
574 S3_WRITE(VTOTAL_A, s3_priv->saveVTOTAL_A);
575 S3_WRITE(VBLANK_A, s3_priv->saveVBLANK_A);
576 S3_WRITE(VSYNC_A, s3_priv->saveVSYNC_A);
577 S3_WRITE(BCLRPAT_A, s3_priv->saveBCLRPAT_A);
578
579 /* Restore plane info */
580 S3_WRITE(DSPASIZE, s3_priv->saveDSPASIZE);
581 S3_WRITE(DSPAPOS, s3_priv->saveDSPAPOS);
582 S3_WRITE(PIPEASRC, s3_priv->savePIPEASRC);
583 S3_WRITE(DSPABASE, s3_priv->saveDSPABASE);
584 S3_WRITE(DSPASTRIDE, s3_priv->saveDSPASTRIDE);
585 if (IS_I965G(dev)) {
586 S3_WRITE(DSPASURF, s3_priv->saveDSPASURF);
587 S3_WRITE(DSPATILEOFF, s3_priv->saveDSPATILEOFF);
588 }
589 S3_WRITE(PIPEACONF, s3_priv->savePIPEACONF);
590 i915_restore_palette(dev, PIPE_A);
591 /* Enable the plane */
592 S3_WRITE(DSPACNTR, s3_priv->saveDSPACNTR);
593 S3_WRITE(DSPABASE, S3_READ(DSPABASE));
594
595 /* Pipe & plane B info */
596 if (s3_priv->saveDPLL_B & DPLL_VCO_ENABLE) {
597 S3_WRITE(DPLL_B, s3_priv->saveDPLL_B &
598 ~DPLL_VCO_ENABLE);
599 drv_usecwait(150);
600 }
601 S3_WRITE(FPB0, s3_priv->saveFPB0);
602 S3_WRITE(FPB1, s3_priv->saveFPB1);
603 /* Actually enable it */
604 S3_WRITE(DPLL_B, s3_priv->saveDPLL_B);
605 drv_usecwait(150);
606 if (IS_I965G(dev))
607 S3_WRITE(DPLL_B_MD, s3_priv->saveDPLL_B_MD);
608 drv_usecwait(150);
609
610 /* Restore mode */
611 S3_WRITE(HTOTAL_B, s3_priv->saveHTOTAL_B);
612 S3_WRITE(HBLANK_B, s3_priv->saveHBLANK_B);
613 S3_WRITE(HSYNC_B, s3_priv->saveHSYNC_B);
614 S3_WRITE(VTOTAL_B, s3_priv->saveVTOTAL_B);
615 S3_WRITE(VBLANK_B, s3_priv->saveVBLANK_B);
616 S3_WRITE(VSYNC_B, s3_priv->saveVSYNC_B);
617 S3_WRITE(BCLRPAT_B, s3_priv->saveBCLRPAT_B);
618
619 /* Restore plane info */
620 S3_WRITE(DSPBSIZE, s3_priv->saveDSPBSIZE);
621 S3_WRITE(DSPBPOS, s3_priv->saveDSPBPOS);
622 S3_WRITE(PIPEBSRC, s3_priv->savePIPEBSRC);
623 S3_WRITE(DSPBBASE, s3_priv->saveDSPBBASE);
624 S3_WRITE(DSPBSTRIDE, s3_priv->saveDSPBSTRIDE);
625 if (IS_I965G(dev)) {
626 S3_WRITE(DSPBSURF, s3_priv->saveDSPBSURF);
627 S3_WRITE(DSPBTILEOFF, s3_priv->saveDSPBTILEOFF);
628 }
629 S3_WRITE(PIPEBCONF, s3_priv->savePIPEBCONF);
630 i915_restore_palette(dev, PIPE_B);
631 /* Enable the plane */
632 S3_WRITE(DSPBCNTR, s3_priv->saveDSPBCNTR);
633 S3_WRITE(DSPBBASE, S3_READ(DSPBBASE));
634
635 /* CRT state */
636 S3_WRITE(ADPA, s3_priv->saveADPA);
637
638 /* LVDS state */
639 if (IS_I965G(dev))
640 S3_WRITE(BLC_PWM_CTL2, s3_priv->saveBLC_PWM_CTL2);
641 if (IS_MOBILE(dev) && !IS_I830(dev))
642 S3_WRITE(LVDS, s3_priv->saveLVDS);
643 if (!IS_I830(dev) && !IS_845G(dev))
644 S3_WRITE(PFIT_CONTROL, s3_priv->savePFIT_CONTROL);
645
646 S3_WRITE(PFIT_PGM_RATIOS, s3_priv->savePFIT_PGM_RATIOS);
647 S3_WRITE(BLC_PWM_CTL, s3_priv->saveBLC_PWM_CTL);
648 S3_WRITE(LVDSPP_ON, s3_priv->saveLVDSPP_ON);
649 S3_WRITE(LVDSPP_OFF, s3_priv->saveLVDSPP_OFF);
650 S3_WRITE(PP_CYCLE, s3_priv->savePP_CYCLE);
651 S3_WRITE(PP_CONTROL, s3_priv->savePP_CONTROL);
652
653 /* FIXME: restore TV & SDVO state */
654
655 /* FBC info */
656 S3_WRITE(FBC_CFB_BASE, s3_priv->saveFBC_CFB_BASE);
657 S3_WRITE(FBC_LL_BASE, s3_priv->saveFBC_LL_BASE);
658 S3_WRITE(FBC_CONTROL2, s3_priv->saveFBC_CONTROL2);
659 S3_WRITE(FBC_CONTROL, s3_priv->saveFBC_CONTROL);
660
661 /* VGA state */
662 S3_WRITE(VGACNTRL, s3_priv->saveVGACNTRL);
663 S3_WRITE(VCLK_DIVISOR_VGA0, s3_priv->saveVCLK_DIVISOR_VGA0);
664 S3_WRITE(VCLK_DIVISOR_VGA1, s3_priv->saveVCLK_DIVISOR_VGA1);
665 S3_WRITE(VCLK_POST_DIV, s3_priv->saveVCLK_POST_DIV);
666 drv_usecwait(150);
667
668 i915_restore_vga(dev);
669 }
670 static int
671 i915_resume(struct drm_device *dev)
672 {
673 ddi_acc_handle_t conf_hdl;
674 struct s3_i915_private *s3_priv = dev->s3_private;
675 int i;
676
677 if (pci_config_setup(dev->dip, &conf_hdl) != DDI_SUCCESS) {
678 DRM_ERROR(("i915_resume: pci_config_setup fail"));
679 return (DDI_FAILURE);
680 }
681 /*
682 * Nexus driver will resume pci config space and set the power state
683 * for its children. So we needn't resume them explicitly here.
684 * see pci_pre_resume for detail.
685 */
686 pci_config_put8(conf_hdl, LBB, s3_priv->saveLBB);
687
688 if (IS_I965G(dev) && IS_MOBILE(dev))
689 S3_WRITE(MCHBAR_RENDER_STANDBY, s3_priv->saveRENDERSTANDBY);
690 if (IS_I965GM(dev))
691 (void) S3_READ(MCHBAR_RENDER_STANDBY);
692
693 S3_WRITE(HWS_PGA, s3_priv->saveHWS);
694 if (IS_I965GM(dev))
695 (void) S3_READ(HWS_PGA);
696
697 i915_restore_display(dev);
698
699 /* Clock gating state */
700 S3_WRITE (D_STATE, s3_priv->saveD_STATE);
701 S3_WRITE (CG_2D_DIS, s3_priv->saveCG_2D_DIS);
702
703 /* Cache mode state */
704 S3_WRITE (CACHE_MODE_0, s3_priv->saveCACHE_MODE_0 | 0xffff0000);
705
706 /* Memory arbitration state */
707 S3_WRITE (MI_ARB_STATE, s3_priv->saveMI_ARB_STATE | 0xffff0000);
708
709 for (i = 0; i < 16; i++) {
710 S3_WRITE(SWF0 + (i << 2), s3_priv->saveSWF0[i]);
711 S3_WRITE(SWF10 + (i << 2), s3_priv->saveSWF1[i+7]);
712 }
713 for (i = 0; i < 3; i++)
714 S3_WRITE(SWF30 + (i << 2), s3_priv->saveSWF2[i]);
715
716 S3_WRITE(I915REG_PGTBL_CTRL, s3_priv->pgtbl_ctl);
717
718 (void) pci_config_teardown(&conf_hdl);
719
720 drm_agp_rebind(dev);
721
722 return (DDI_SUCCESS);
723 }
724
725 static int
726 i915_suspend(struct drm_device *dev)
727 {
728 ddi_acc_handle_t conf_hdl;
729 struct s3_i915_private *s3_priv = dev->s3_private;
730 int i;
731
732 if (pci_config_setup(dev->dip, &conf_hdl) != DDI_SUCCESS) {
733 DRM_ERROR(("i915_suspend: pci_config_setup fail"));
734 return (DDI_FAILURE);
735 }
736
737 /*
738 * Nexus driver will resume pci config space for its children.
739 * So pci config registers are not saved here.
740 */
741 s3_priv->saveLBB = pci_config_get8(conf_hdl, LBB);
742
743 if (IS_I965G(dev) && IS_MOBILE(dev))
744 s3_priv->saveRENDERSTANDBY = S3_READ(MCHBAR_RENDER_STANDBY);
745
746 /* Hardware status page */
747 s3_priv->saveHWS = S3_READ(HWS_PGA);
748
749 i915_save_display(dev);
750
751 /* Interrupt state */
752 s3_priv->saveIIR = S3_READ(IIR);
753 s3_priv->saveIER = S3_READ(IER);
754 s3_priv->saveIMR = S3_READ(IMR);
755
756 /* Clock gating state */
757 s3_priv->saveD_STATE = S3_READ(D_STATE);
758 s3_priv->saveCG_2D_DIS = S3_READ(CG_2D_DIS);
759
760 /* Cache mode state */
761 s3_priv->saveCACHE_MODE_0 = S3_READ(CACHE_MODE_0);
762
763 /* Memory Arbitration state */
764 s3_priv->saveMI_ARB_STATE = S3_READ(MI_ARB_STATE);
765
766 /* Scratch space */
767 for (i = 0; i < 16; i++) {
768 s3_priv->saveSWF0[i] = S3_READ(SWF0 + (i << 2));
769 s3_priv->saveSWF1[i] = S3_READ(SWF10 + (i << 2));
770 }
771 for (i = 0; i < 3; i++)
772 s3_priv->saveSWF2[i] = S3_READ(SWF30 + (i << 2));
773
774 /*
775 * Save page table control register
776 */
777 s3_priv->pgtbl_ctl = S3_READ(I915REG_PGTBL_CTRL);
778
779 (void) pci_config_teardown(&conf_hdl);
780
781 return (DDI_SUCCESS);
782 }
783
784 /*
785 * This funtion check the length of memory mapped IO space to get the right bar. * And There are two possibilities here.
786 * 1. The MMIO registers is in memory map IO bar with 1M size. The bottom half
787 * of the 1M space is the MMIO registers.
788 * 2. The MMIO register is in memory map IO with 512K size. The whole 512K
789 * space is the MMIO registers.
790 */
791 static int
792 i915_map_regs(dev_info_t *dip, caddr_t *save_addr, ddi_acc_handle_t *handlep)
793 {
794 int rnumber;
795 int nregs;
796 off_t size = 0;
797
798 if (ddi_dev_nregs(dip, &nregs)) {
799 cmn_err(CE_WARN, "i915_map_regs: failed to get nregs");
800 return (DDI_FAILURE);
801 }
802
803 for (rnumber = 1; rnumber < nregs; rnumber++) {
804 (void) ddi_dev_regsize(dip, rnumber, &size);
805 if ((size == 0x80000) ||
806 (size == 0x100000) ||
807 (size == 0x400000))
808 break;
809 }
810
811 if (rnumber >= nregs) {
812 cmn_err(CE_WARN,
813 "i915_map_regs: failed to find MMIO registers");
814 return (DDI_FAILURE);
815 }
816
817 if (ddi_regs_map_setup(dip, rnumber, save_addr,
818 0, 0x80000, &s3_attr, handlep)) {
819 cmn_err(CE_WARN,
820 "i915_map_regs: failed to map bar %d", rnumber);
821 return (DDI_FAILURE);
822 }
823
824 return (DDI_SUCCESS);
825 }
826 static void
827 i915_unmap_regs(ddi_acc_handle_t *handlep)
828 {
829 ddi_regs_map_free(handlep);
830 }
831 static int
832 i915_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
833 {
834 drm_device_t *statep;
835 s3_i915_private_t *s3_private;
836 void *handle;
837 int unit;
838
839 unit = ddi_get_instance(dip);
840 switch (cmd) {
841 case DDI_ATTACH:
842 break;
843 case DDI_RESUME:
844 statep = ddi_get_soft_state(i915_statep, unit);
845 return (i915_resume(statep));
846 default:
847 DRM_ERROR("i915_attach: attach and resume ops are supported");
848 return (DDI_FAILURE);
849
850 }
851
852 if (ddi_soft_state_zalloc(i915_statep, unit) != DDI_SUCCESS) {
853 cmn_err(CE_WARN,
854 "i915_attach: failed to alloc softstate");
855 return (DDI_FAILURE);
856 }
857 statep = ddi_get_soft_state(i915_statep, unit);
858 statep->dip = dip;
859 statep->driver = &i915_driver;
860
861 statep->s3_private = drm_alloc(sizeof(s3_i915_private_t),
862 DRM_MEM_DRIVER);
863
864 if (statep->s3_private == NULL) {
865 cmn_err(CE_WARN, "i915_attach: failed to allocate s3 priv");
866 goto err_exit1;
867 }
868
869 /*
870 * Map in the mmio register space for s3.
871 */
872 s3_private = (s3_i915_private_t *)statep->s3_private;
873
874 if (i915_map_regs(dip, &s3_private->saveAddr,
875 &s3_private->saveHandle)) {
876 cmn_err(CE_WARN, "i915_attach: failed to map MMIO");
877 goto err_exit2;
878 }
879
880 /*
881 * Call drm_supp_register to create minor nodes for us
882 */
883 handle = drm_supp_register(dip, statep);
884 if ( handle == NULL) {
885 DRM_ERROR("i915_attach: drm_supp_register failed");
886 goto err_exit3;
887 }
888 statep->drm_handle = handle;
889
890 /*
891 * After drm_supp_register, we can call drm_xxx routine
892 */
893 statep->drm_supported = DRM_UNSUPPORT;
894 if (
895 drm_probe(statep, i915_pciidlist) != DDI_SUCCESS) {
896 DRM_ERROR("i915_open: "
897 "DRM current don't support this graphics card");
898 goto err_exit4;
899 }
900 statep->drm_supported = DRM_SUPPORT;
901
902 /* call common attach code */
903 if (drm_attach(statep) != DDI_SUCCESS) {
904 DRM_ERROR("i915_attach: drm_attach failed");
905 goto err_exit4;
906 }
907 return (DDI_SUCCESS);
908 err_exit4:
909 (void) drm_supp_unregister(handle);
910 err_exit3:
911 i915_unmap_regs(&s3_private->saveHandle);
912 err_exit2:
913 drm_free(statep->s3_private, sizeof(s3_i915_private_t),
914 DRM_MEM_DRIVER);
915 err_exit1:
916 (void) ddi_soft_state_free(i915_statep, unit);
917
918 return (DDI_FAILURE);
919
920 } /* i915_attach() */
921
922 static int
923 i915_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
924 {
925 drm_device_t *statep;
926 int unit;
927 s3_i915_private_t *s3_private;
928
929 if ((cmd != DDI_SUSPEND) && (cmd != DDI_DETACH)) {
930 DRM_ERROR("i915_detach: "
931 "only detach and resume ops are supported");
932 return (DDI_FAILURE);
933 }
934
935 unit = ddi_get_instance(dip);
936 statep = ddi_get_soft_state(i915_statep, unit);
937 if (statep == NULL) {
938 DRM_ERROR("i915_detach: can not get soft state");
939 return (DDI_FAILURE);
940 }
941
942 if (cmd == DDI_SUSPEND)
943 return (i915_suspend(statep));
944
945 s3_private = (s3_i915_private_t *)statep->s3_private;
946 ddi_regs_map_free(&s3_private->saveHandle);
947
948 /*
949 * Free the struct for context saving in S3
950 */
951 drm_free(statep->s3_private, sizeof(s3_i915_private_t),
952 DRM_MEM_DRIVER);
953
954 (void) drm_detach(statep);
955 (void) drm_supp_unregister(statep->drm_handle);
956 (void) ddi_soft_state_free(i915_statep, unit);
957
958 return (DDI_SUCCESS);
959
960 } /* i915_detach() */
961
962
963 /*ARGSUSED*/
964 static int
965 i915_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result)
966 {
967 drm_device_t *statep;
968 int error = DDI_SUCCESS;
969 int unit;
970
971 unit = drm_dev_to_instance((dev_t)arg);
972 switch (infocmd) {
973 case DDI_INFO_DEVT2DEVINFO:
974 statep = ddi_get_soft_state(i915_statep, unit);
975 if (statep == NULL || statep->dip == NULL) {
976 error = DDI_FAILURE;
977 } else {
978 *result = (void *) statep->dip;
979 error = DDI_SUCCESS;
980 }
981 break;
982 case DDI_INFO_DEVT2INSTANCE:
983 *result = (void *)(uintptr_t)unit;
984 error = DDI_SUCCESS;
985 break;
986 default:
987 error = DDI_FAILURE;
988 break;
989 }
990 return (error);
991
992 } /* i915_info() */
993
994
995 static void i915_configure(drm_driver_t *driver)
996 {
997 driver->buf_priv_size = 1; /* No dev_priv */
998 driver->load = i915_driver_load;
999 driver->unload = i915_driver_unload;
1000 driver->open = i915_driver_open;
1001 driver->preclose = i915_driver_preclose;
1002 driver->postclose = i915_driver_postclose;
1003 driver->lastclose = i915_driver_lastclose;
1004 driver->device_is_agp = i915_driver_device_is_agp;
1005 driver->enable_vblank = i915_enable_vblank;
1006 driver->disable_vblank = i915_disable_vblank;
1007 driver->irq_preinstall = i915_driver_irq_preinstall;
1008 driver->irq_postinstall = i915_driver_irq_postinstall;
1009 driver->irq_uninstall = i915_driver_irq_uninstall;
1010 driver->irq_handler = i915_driver_irq_handler;
1011
1012 driver->gem_init_object = i915_gem_init_object;
1013 driver->gem_free_object = i915_gem_free_object;
1014
1015 driver->driver_ioctls = i915_ioctls;
1016 driver->max_driver_ioctl = i915_max_ioctl;
1017
1018 driver->driver_name = DRIVER_NAME;
1019 driver->driver_desc = DRIVER_DESC;
1020 driver->driver_date = DRIVER_DATE;
1021 driver->driver_major = DRIVER_MAJOR;
1022 driver->driver_minor = DRIVER_MINOR;
1023 driver->driver_patchlevel = DRIVER_PATCHLEVEL;
1024
1025 driver->use_agp = 1;
1026 driver->require_agp = 1;
1027 driver->use_irq = 1;
1028 }
1029
1030 static int i915_quiesce(dev_info_t *dip)
1031 {
1032 drm_device_t *statep;
1033 int unit;
1034
1035 unit = ddi_get_instance(dip);
1036 statep = ddi_get_soft_state(i915_statep, unit);
1037 if (statep == NULL) {
1038 return (DDI_FAILURE);
1039 }
1040 i915_driver_irq_uninstall(statep);
1041
1042 return (DDI_SUCCESS);
1043 }