1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /**************************************************************************
3 * Copyright (c) 2007-2011, Intel Corporation.
4 * All Rights Reserved.
5 *
6 **************************************************************************/
7
8 #ifndef _PSB_DRV_H_
9 #define _PSB_DRV_H_
10
11 #include <linux/kref.h>
12 #include <linux/mm_types.h>
13
14 #include <drm/drm_device.h>
15
16 #include "gma_display.h"
17 #include "gtt.h"
18 #include "intel_bios.h"
19 #include "mmu.h"
20 #include "oaktrail.h"
21 #include "opregion.h"
22 #include "power.h"
23 #include "psb_intel_drv.h"
24 #include "psb_reg.h"
25
26 #define DRIVER_AUTHOR "Alan Cox <alan@linux.intel.com> and others"
27
28 #define DRIVER_NAME "gma500"
29 #define DRIVER_DESC "DRM driver for the Intel GMA500, GMA600, GMA3600, GMA3650"
30 #define DRIVER_DATE "20140314"
31
32 #define DRIVER_MAJOR 1
33 #define DRIVER_MINOR 0
34 #define DRIVER_PATCHLEVEL 0
35
36 /* Append new drm mode definition here, align with libdrm definition */
37 #define DRM_MODE_SCALE_NO_SCALE 2
38
39 enum {
40 CHIP_PSB_8108 = 0, /* Poulsbo */
41 CHIP_PSB_8109 = 1, /* Poulsbo */
42 CHIP_MRST_4100 = 2, /* Moorestown/Oaktrail */
43 CHIP_MFLD_0130 = 3, /* Medfield */
44 };
45
46 #define IS_PSB(dev) (((dev)->pdev->device & 0xfffe) == 0x8108)
47 #define IS_MRST(dev) (((dev)->pdev->device & 0xfff0) == 0x4100)
48 #define IS_MFLD(dev) (((dev)->pdev->device & 0xfff8) == 0x0130)
49 #define IS_CDV(dev) (((dev)->pdev->device & 0xfff0) == 0x0be0)
50
51 /* Hardware offsets */
52 #define PSB_VDC_OFFSET 0x00000000
53 #define PSB_VDC_SIZE 0x000080000
54 #define MRST_MMIO_SIZE 0x0000C0000
55 #define MDFLD_MMIO_SIZE 0x000100000
56 #define PSB_SGX_SIZE 0x8000
57 #define PSB_SGX_OFFSET 0x00040000
58 #define MRST_SGX_OFFSET 0x00080000
59
60 /* PCI resource identifiers */
61 #define PSB_MMIO_RESOURCE 0
62 #define PSB_AUX_RESOURCE 0
63 #define PSB_GATT_RESOURCE 2
64 #define PSB_GTT_RESOURCE 3
65
66 /* PCI configuration */
67 #define PSB_GMCH_CTRL 0x52
68 #define PSB_BSM 0x5C
69 #define _PSB_GMCH_ENABLED 0x4
70 #define PSB_PGETBL_CTL 0x2020
71 #define _PSB_PGETBL_ENABLED 0x00000001
72 #define PSB_SGX_2D_SLAVE_PORT 0x4000
73 #define PSB_LPC_GBA 0x44
74
75 /* TODO: To get rid of */
76 #define PSB_TT_PRIV0_LIMIT (256*1024*1024)
77 #define PSB_TT_PRIV0_PLIMIT (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
78
79 /* SGX side MMU definitions (these can probably go) */
80
81 /* Flags for external memory type field */
82 #define PSB_MMU_CACHED_MEMORY 0x0001 /* Bind to MMU only */
83 #define PSB_MMU_RO_MEMORY 0x0002 /* MMU RO memory */
84 #define PSB_MMU_WO_MEMORY 0x0004 /* MMU WO memory */
85
86 /* PTE's and PDE's */
87 #define PSB_PDE_MASK 0x003FFFFF
88 #define PSB_PDE_SHIFT 22
89 #define PSB_PTE_SHIFT 12
90
91 /* Cache control */
92 #define PSB_PTE_VALID 0x0001 /* PTE / PDE valid */
93 #define PSB_PTE_WO 0x0002 /* Write only */
94 #define PSB_PTE_RO 0x0004 /* Read only */
95 #define PSB_PTE_CACHED 0x0008 /* CPU cache coherent */
96
97 /* VDC registers and bits */
98 #define PSB_MSVDX_CLOCKGATING 0x2064
99 #define PSB_TOPAZ_CLOCKGATING 0x2068
100 #define PSB_HWSTAM 0x2098
101 #define PSB_INSTPM 0x20C0
102 #define PSB_INT_IDENTITY_R 0x20A4
103 #define _PSB_IRQ_ASLE (1<<0)
104 #define _MDFLD_PIPEC_EVENT_FLAG (1<<2)
105 #define _MDFLD_PIPEC_VBLANK_FLAG (1<<3)
106 #define _PSB_DPST_PIPEB_FLAG (1<<4)
107 #define _MDFLD_PIPEB_EVENT_FLAG (1<<4)
108 #define _PSB_VSYNC_PIPEB_FLAG (1<<5)
109 #define _PSB_DPST_PIPEA_FLAG (1<<6)
110 #define _PSB_PIPEA_EVENT_FLAG (1<<6)
111 #define _PSB_VSYNC_PIPEA_FLAG (1<<7)
112 #define _MDFLD_MIPIA_FLAG (1<<16)
113 #define _MDFLD_MIPIC_FLAG (1<<17)
114 #define _PSB_IRQ_DISP_HOTSYNC (1<<17)
115 #define _PSB_IRQ_SGX_FLAG (1<<18)
116 #define _PSB_IRQ_MSVDX_FLAG (1<<19)
117 #define _LNC_IRQ_TOPAZ_FLAG (1<<20)
118
119 #define _PSB_PIPE_EVENT_FLAG (_PSB_VSYNC_PIPEA_FLAG | \
120 _PSB_VSYNC_PIPEB_FLAG)
121
122 /* This flag includes all the display IRQ bits excepts the vblank irqs. */
123 #define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \
124 _MDFLD_PIPEB_EVENT_FLAG | \
125 _PSB_PIPEA_EVENT_FLAG | \
126 _PSB_VSYNC_PIPEA_FLAG | \
127 _MDFLD_MIPIA_FLAG | \
128 _MDFLD_MIPIC_FLAG)
129 #define PSB_INT_IDENTITY_R 0x20A4
130 #define PSB_INT_MASK_R 0x20A8
131 #define PSB_INT_ENABLE_R 0x20A0
132
133 #define _PSB_MMU_ER_MASK 0x0001FF00
134 #define _PSB_MMU_ER_HOST (1 << 16)
135 #define GPIOA 0x5010
136 #define GPIOB 0x5014
137 #define GPIOC 0x5018
138 #define GPIOD 0x501c
139 #define GPIOE 0x5020
140 #define GPIOF 0x5024
141 #define GPIOG 0x5028
142 #define GPIOH 0x502c
143 #define GPIO_CLOCK_DIR_MASK (1 << 0)
144 #define GPIO_CLOCK_DIR_IN (0 << 1)
145 #define GPIO_CLOCK_DIR_OUT (1 << 1)
146 #define GPIO_CLOCK_VAL_MASK (1 << 2)
147 #define GPIO_CLOCK_VAL_OUT (1 << 3)
148 #define GPIO_CLOCK_VAL_IN (1 << 4)
149 #define GPIO_CLOCK_PULLUP_DISABLE (1 << 5)
150 #define GPIO_DATA_DIR_MASK (1 << 8)
151 #define GPIO_DATA_DIR_IN (0 << 9)
152 #define GPIO_DATA_DIR_OUT (1 << 9)
153 #define GPIO_DATA_VAL_MASK (1 << 10)
154 #define GPIO_DATA_VAL_OUT (1 << 11)
155 #define GPIO_DATA_VAL_IN (1 << 12)
156 #define GPIO_DATA_PULLUP_DISABLE (1 << 13)
157
158 #define VCLK_DIVISOR_VGA0 0x6000
159 #define VCLK_DIVISOR_VGA1 0x6004
160 #define VCLK_POST_DIV 0x6010
161
162 #define PSB_COMM_2D (PSB_ENGINE_2D << 4)
163 #define PSB_COMM_3D (PSB_ENGINE_3D << 4)
164 #define PSB_COMM_TA (PSB_ENGINE_TA << 4)
165 #define PSB_COMM_HP (PSB_ENGINE_HP << 4)
166 #define PSB_COMM_USER_IRQ (1024 >> 2)
167 #define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
168 #define PSB_COMM_FW (2048 >> 2)
169
170 #define PSB_UIRQ_VISTEST 1
171 #define PSB_UIRQ_OOM_REPLY 2
172 #define PSB_UIRQ_FIRE_TA_REPLY 3
173 #define PSB_UIRQ_FIRE_RASTER_REPLY 4
174
175 #define PSB_2D_SIZE (256*1024*1024)
176 #define PSB_MAX_RELOC_PAGES 1024
177
178 #define PSB_LOW_REG_OFFS 0x0204
179 #define PSB_HIGH_REG_OFFS 0x0600
180
181 #define PSB_NUM_VBLANKS 2
182
183
184 #define PSB_2D_SIZE (256*1024*1024)
185 #define PSB_MAX_RELOC_PAGES 1024
186
187 #define PSB_LOW_REG_OFFS 0x0204
188 #define PSB_HIGH_REG_OFFS 0x0600
189
190 #define PSB_NUM_VBLANKS 2
191 #define PSB_WATCHDOG_DELAY (HZ * 2)
192 #define PSB_LID_DELAY (HZ / 10)
193
194 #define MDFLD_PNW_B0 0x04
195 #define MDFLD_PNW_C0 0x08
196
197 #define MDFLD_DSR_2D_3D_0 (1 << 0)
198 #define MDFLD_DSR_2D_3D_2 (1 << 1)
199 #define MDFLD_DSR_CURSOR_0 (1 << 2)
200 #define MDFLD_DSR_CURSOR_2 (1 << 3)
201 #define MDFLD_DSR_OVERLAY_0 (1 << 4)
202 #define MDFLD_DSR_OVERLAY_2 (1 << 5)
203 #define MDFLD_DSR_MIPI_CONTROL (1 << 6)
204 #define MDFLD_DSR_DAMAGE_MASK_0 ((1 << 0) | (1 << 2) | (1 << 4))
205 #define MDFLD_DSR_DAMAGE_MASK_2 ((1 << 1) | (1 << 3) | (1 << 5))
206 #define MDFLD_DSR_2D_3D (MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
207
208 #define MDFLD_DSR_RR 45
209 #define MDFLD_DPU_ENABLE (1 << 31)
210 #define MDFLD_DSR_FULLSCREEN (1 << 30)
211 #define MDFLD_DSR_DELAY (HZ / MDFLD_DSR_RR)
212
213 #define PSB_PWR_STATE_ON 1
214 #define PSB_PWR_STATE_OFF 2
215
216 #define PSB_PMPOLICY_NOPM 0
217 #define PSB_PMPOLICY_CLOCKGATING 1
218 #define PSB_PMPOLICY_POWERDOWN 2
219
220 #define PSB_PMSTATE_POWERUP 0
221 #define PSB_PMSTATE_CLOCKGATED 1
222 #define PSB_PMSTATE_POWERDOWN 2
223 #define PSB_PCIx_MSI_ADDR_LOC 0x94
224 #define PSB_PCIx_MSI_DATA_LOC 0x98
225
226 /* Medfield crystal settings */
227 #define KSEL_CRYSTAL_19 1
228 #define KSEL_BYPASS_19 5
229 #define KSEL_BYPASS_25 6
230 #define KSEL_BYPASS_83_100 7
231
232 struct opregion_header;
233 struct opregion_acpi;
234 struct opregion_swsci;
235 struct opregion_asle;
236
237 struct psb_intel_opregion {
238 struct opregion_header *header;
239 struct opregion_acpi *acpi;
240 struct opregion_swsci *swsci;
241 struct opregion_asle *asle;
242 void *vbt;
243 u32 __iomem *lid_state;
244 struct work_struct asle_work;
245 };
246
247 struct sdvo_device_mapping {
248 u8 initialized;
249 u8 dvo_port;
250 u8 slave_addr;
251 u8 dvo_wiring;
252 u8 i2c_pin;
253 u8 i2c_speed;
254 u8 ddc_pin;
255 };
256
257 struct intel_gmbus {
258 struct i2c_adapter adapter;
259 struct i2c_adapter *force_bit;
260 u32 reg0;
261 };
262
263 /* Register offset maps */
264 struct psb_offset {
265 u32 fp0;
266 u32 fp1;
267 u32 cntr;
268 u32 conf;
269 u32 src;
270 u32 dpll;
271 u32 dpll_md;
272 u32 htotal;
273 u32 hblank;
274 u32 hsync;
275 u32 vtotal;
276 u32 vblank;
277 u32 vsync;
278 u32 stride;
279 u32 size;
280 u32 pos;
281 u32 surf;
282 u32 addr;
283 u32 base;
284 u32 status;
285 u32 linoff;
286 u32 tileoff;
287 u32 palette;
288 };
289
290 /*
291 * Register save state. This is used to hold the context when the
292 * device is powered off. In the case of Oaktrail this can (but does not
293 * yet) include screen blank. Operations occuring during the save
294 * update the register cache instead.
295 */
296
297 /* Common status for pipes */
298 struct psb_pipe {
299 u32 fp0;
300 u32 fp1;
301 u32 cntr;
302 u32 conf;
303 u32 src;
304 u32 dpll;
305 u32 dpll_md;
306 u32 htotal;
307 u32 hblank;
308 u32 hsync;
309 u32 vtotal;
310 u32 vblank;
311 u32 vsync;
312 u32 stride;
313 u32 size;
314 u32 pos;
315 u32 base;
316 u32 surf;
317 u32 addr;
318 u32 status;
319 u32 linoff;
320 u32 tileoff;
321 u32 palette[256];
322 };
323
324 struct psb_state {
325 uint32_t saveVCLK_DIVISOR_VGA0;
326 uint32_t saveVCLK_DIVISOR_VGA1;
327 uint32_t saveVCLK_POST_DIV;
328 uint32_t saveVGACNTRL;
329 uint32_t saveADPA;
330 uint32_t saveLVDS;
331 uint32_t saveDVOA;
332 uint32_t saveDVOB;
333 uint32_t saveDVOC;
334 uint32_t savePP_ON;
335 uint32_t savePP_OFF;
336 uint32_t savePP_CONTROL;
337 uint32_t savePP_CYCLE;
338 uint32_t savePFIT_CONTROL;
339 uint32_t saveCLOCKGATING;
340 uint32_t saveDSPARB;
341 uint32_t savePFIT_AUTO_RATIOS;
342 uint32_t savePFIT_PGM_RATIOS;
343 uint32_t savePP_ON_DELAYS;
344 uint32_t savePP_OFF_DELAYS;
345 uint32_t savePP_DIVISOR;
346 uint32_t saveBCLRPAT_A;
347 uint32_t saveBCLRPAT_B;
348 uint32_t savePERF_MODE;
349 uint32_t saveDSPFW1;
350 uint32_t saveDSPFW2;
351 uint32_t saveDSPFW3;
352 uint32_t saveDSPFW4;
353 uint32_t saveDSPFW5;
354 uint32_t saveDSPFW6;
355 uint32_t saveCHICKENBIT;
356 uint32_t saveDSPACURSOR_CTRL;
357 uint32_t saveDSPBCURSOR_CTRL;
358 uint32_t saveDSPACURSOR_BASE;
359 uint32_t saveDSPBCURSOR_BASE;
360 uint32_t saveDSPACURSOR_POS;
361 uint32_t saveDSPBCURSOR_POS;
362 uint32_t saveOV_OVADD;
363 uint32_t saveOV_OGAMC0;
364 uint32_t saveOV_OGAMC1;
365 uint32_t saveOV_OGAMC2;
366 uint32_t saveOV_OGAMC3;
367 uint32_t saveOV_OGAMC4;
368 uint32_t saveOV_OGAMC5;
369 uint32_t saveOVC_OVADD;
370 uint32_t saveOVC_OGAMC0;
371 uint32_t saveOVC_OGAMC1;
372 uint32_t saveOVC_OGAMC2;
373 uint32_t saveOVC_OGAMC3;
374 uint32_t saveOVC_OGAMC4;
375 uint32_t saveOVC_OGAMC5;
376
377 /* DPST register save */
378 uint32_t saveHISTOGRAM_INT_CONTROL_REG;
379 uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
380 uint32_t savePWM_CONTROL_LOGIC;
381 };
382
383 struct medfield_state {
384 uint32_t saveMIPI;
385 uint32_t saveMIPI_C;
386
387 uint32_t savePFIT_CONTROL;
388 uint32_t savePFIT_PGM_RATIOS;
389 uint32_t saveHDMIPHYMISCCTL;
390 uint32_t saveHDMIB_CONTROL;
391 };
392
393 struct cdv_state {
394 uint32_t saveDSPCLK_GATE_D;
395 uint32_t saveRAMCLK_GATE_D;
396 uint32_t saveDSPARB;
397 uint32_t saveDSPFW[6];
398 uint32_t saveADPA;
399 uint32_t savePP_CONTROL;
400 uint32_t savePFIT_PGM_RATIOS;
401 uint32_t saveLVDS;
402 uint32_t savePFIT_CONTROL;
403 uint32_t savePP_ON_DELAYS;
404 uint32_t savePP_OFF_DELAYS;
405 uint32_t savePP_CYCLE;
406 uint32_t saveVGACNTRL;
407 uint32_t saveIER;
408 uint32_t saveIMR;
409 u8 saveLBB;
410 };
411
412 struct psb_save_area {
413 struct psb_pipe pipe[3];
414 uint32_t saveBSM;
415 uint32_t saveVBT;
416 union {
417 struct psb_state psb;
418 struct medfield_state mdfld;
419 struct cdv_state cdv;
420 };
421 uint32_t saveBLC_PWM_CTL2;
422 uint32_t saveBLC_PWM_CTL;
423 };
424
425 struct psb_ops;
426
427 #define PSB_NUM_PIPE 3
428
429 struct drm_psb_private {
430 struct drm_device *dev;
431 struct pci_dev *aux_pdev; /* Currently only used by mrst */
432 struct pci_dev *lpc_pdev; /* Currently only used by mrst */
433 const struct psb_ops *ops;
434 const struct psb_offset *regmap;
435
436 struct child_device_config *child_dev;
437 int child_dev_num;
438
439 struct psb_gtt gtt;
440
441 /* GTT Memory manager */
442 struct psb_gtt_mm *gtt_mm;
443 struct page *scratch_page;
444 u32 __iomem *gtt_map;
445 uint32_t stolen_base;
446 u8 __iomem *vram_addr;
447 unsigned long vram_stolen_size;
448 int gtt_initialized;
449 u16 gmch_ctrl; /* Saved GTT setup */
450 u32 pge_ctl;
451
452 struct mutex gtt_mutex;
453 struct resource *gtt_mem; /* Our PCI resource */
454
455 struct mutex mmap_mutex;
456
457 struct psb_mmu_driver *mmu;
458 struct psb_mmu_pd *pf_pd;
459
460 /* Register base */
461 uint8_t __iomem *sgx_reg;
462 uint8_t __iomem *vdc_reg;
463 uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
464 uint16_t lpc_gpio_base;
465 uint32_t gatt_free_offset;
466
467 /* Fencing / irq */
468 uint32_t vdc_irq_mask;
469 uint32_t pipestat[PSB_NUM_PIPE];
470
471 spinlock_t irqmask_lock;
472
473 /* Power */
474 bool suspended;
475 bool display_power;
476 int display_count;
477
478 /* Modesetting */
479 struct psb_intel_mode_device mode_dev;
480 bool modeset; /* true if we have done the mode_device setup */
481
482 struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
483 struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
484 uint32_t num_pipe;
485
486 /* OSPM info (Power management base) (TODO: can go ?) */
487 uint32_t ospm_base;
488
489 /* Sizes info */
490 u32 fuse_reg_value;
491 u32 video_device_fuse;
492
493 /* PCI revision ID for B0:D2:F0 */
494 uint8_t platform_rev_id;
495
496 /* gmbus */
497 struct intel_gmbus *gmbus;
498 uint8_t __iomem *gmbus_reg;
499
500 /* Used by SDVO */
501 int crt_ddc_pin;
502 /* FIXME: The mappings should be parsed from bios but for now we can
503 pretend there are no mappings available */
504 struct sdvo_device_mapping sdvo_mappings[2];
505 u32 hotplug_supported_mask;
506 struct drm_property *broadcast_rgb_property;
507 struct drm_property *force_audio_property;
508
509 /* LVDS info */
510 int backlight_duty_cycle; /* restore backlight to this value */
511 bool panel_wants_dither;
512 struct drm_display_mode *panel_fixed_mode;
513 struct drm_display_mode *lfp_lvds_vbt_mode;
514 struct drm_display_mode *sdvo_lvds_vbt_mode;
515
516 struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
517 struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
518
519 /* Feature bits from the VBIOS */
520 unsigned int int_tv_support:1;
521 unsigned int lvds_dither:1;
522 unsigned int lvds_vbt:1;
523 unsigned int int_crt_support:1;
524 unsigned int lvds_use_ssc:1;
525 int lvds_ssc_freq;
526 bool is_lvds_on;
527 bool is_mipi_on;
528 bool lvds_enabled_in_vbt;
529 u32 mipi_ctrl_display;
530
531 unsigned int core_freq;
532 uint32_t iLVDS_enable;
533
534 /* Runtime PM state */
535 int rpm_enabled;
536
537 /* MID specific */
538 bool has_gct;
539 struct oaktrail_gct_data gct_data;
540
541 /* Oaktrail HDMI state */
542 struct oaktrail_hdmi_dev *hdmi_priv;
543
544 /* Register state */
545 struct psb_save_area regs;
546
547 /* MSI reg save */
548 uint32_t msi_addr;
549 uint32_t msi_data;
550
551 /* Hotplug handling */
552 struct work_struct hotplug_work;
553
554 /* LID-Switch */
555 spinlock_t lid_lock;
556 struct timer_list lid_timer;
557 struct psb_intel_opregion opregion;
558 u32 lid_last_state;
559
560 /* Watchdog */
561 uint32_t apm_reg;
562 uint16_t apm_base;
563
564 /*
565 * Used for modifying backlight from
566 * xrandr -- consider removing and using HAL instead
567 */
568 struct backlight_device *backlight_device;
569 struct drm_property *backlight_property;
570 bool backlight_enabled;
571 int backlight_level;
572 uint32_t blc_adj1;
573 uint32_t blc_adj2;
574
575 void *fbdev;
576
577 /* 2D acceleration */
578 spinlock_t lock_2d;
579
580 /* Panel brightness */
581 int brightness;
582 int brightness_adjusted;
583
584 bool dsr_enable;
585 u32 dsr_fb_update;
586 bool dpi_panel_on[3];
587 void *dsi_configs[2];
588 u32 bpp;
589 u32 bpp2;
590
591 u32 pipeconf[3];
592 u32 dspcntr[3];
593
594 int mdfld_panel_id;
595
596 bool dplla_96mhz; /* DPLL data from the VBT */
597
598 struct {
599 int rate;
600 int lanes;
601 int preemphasis;
602 int vswing;
603
604 bool initialized;
605 bool support;
606 int bpp;
607 struct edp_power_seq pps;
608 } edp;
609 uint8_t panel_type;
610 };
611
612
613 /* Operations for each board type */
614 struct psb_ops {
615 const char *name;
616 unsigned int accel_2d:1;
617 int pipes; /* Number of output pipes */
618 int crtcs; /* Number of CRTCs */
619 int sgx_offset; /* Base offset of SGX device */
620 int hdmi_mask; /* Mask of HDMI CRTCs */
621 int lvds_mask; /* Mask of LVDS CRTCs */
622 int sdvo_mask; /* Mask of SDVO CRTCs */
623 int cursor_needs_phys; /* If cursor base reg need physical address */
624
625 /* Sub functions */
626 struct drm_crtc_helper_funcs const *crtc_helper;
627 struct drm_crtc_funcs const *crtc_funcs;
628 const struct gma_clock_funcs *clock_funcs;
629
630 /* Setup hooks */
631 int (*chip_setup)(struct drm_device *dev);
632 void (*chip_teardown)(struct drm_device *dev);
633 /* Optional helper caller after modeset */
634 void (*errata)(struct drm_device *dev);
635
636 /* Display management hooks */
637 int (*output_init)(struct drm_device *dev);
638 int (*hotplug)(struct drm_device *dev);
639 void (*hotplug_enable)(struct drm_device *dev, bool on);
640 /* Power management hooks */
641 void (*init_pm)(struct drm_device *dev);
642 int (*save_regs)(struct drm_device *dev);
643 int (*restore_regs)(struct drm_device *dev);
644 void (*save_crtc)(struct drm_crtc *crtc);
645 void (*restore_crtc)(struct drm_crtc *crtc);
646 int (*power_up)(struct drm_device *dev);
647 int (*power_down)(struct drm_device *dev);
648 void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
649 void (*disable_sr)(struct drm_device *dev);
650
651 void (*lvds_bl_power)(struct drm_device *dev, bool on);
652 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
653 /* Backlight */
654 int (*backlight_init)(struct drm_device *dev);
655 #endif
656 int i2c_bus; /* I2C bus identifier for Moorestown */
657 };
658
659
660
661 extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
662 extern int drm_pick_crtcs(struct drm_device *dev);
663
psb_priv(struct drm_device * dev)664 static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
665 {
666 return (struct drm_psb_private *) dev->dev_private;
667 }
668
669 /* psb_irq.c */
670 extern irqreturn_t psb_irq_handler(int irq, void *arg);
671 extern int psb_irq_enable_dpst(struct drm_device *dev);
672 extern int psb_irq_disable_dpst(struct drm_device *dev);
673 extern void psb_irq_preinstall(struct drm_device *dev);
674 extern int psb_irq_postinstall(struct drm_device *dev);
675 extern void psb_irq_uninstall(struct drm_device *dev);
676 extern void psb_irq_turn_on_dpst(struct drm_device *dev);
677 extern void psb_irq_turn_off_dpst(struct drm_device *dev);
678
679 extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
680 extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
681 extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
682 extern int psb_enable_vblank(struct drm_device *dev, unsigned int pipe);
683 extern void psb_disable_vblank(struct drm_device *dev, unsigned int pipe);
684 void
685 psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
686
687 void
688 psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
689
690 extern u32 psb_get_vblank_counter(struct drm_device *dev, unsigned int pipe);
691
692 /* framebuffer.c */
693 extern int psbfb_probed(struct drm_device *dev);
694 extern int psbfb_remove(struct drm_device *dev,
695 struct drm_framebuffer *fb);
696 /* accel_2d.c */
697 extern void psbfb_copyarea(struct fb_info *info,
698 const struct fb_copyarea *region);
699 extern int psbfb_sync(struct fb_info *info);
700 extern void psb_spank(struct drm_psb_private *dev_priv);
701
702 /* psb_reset.c */
703 extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
704 extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
705 extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
706
707 /* modesetting */
708 extern void psb_modeset_init(struct drm_device *dev);
709 extern void psb_modeset_cleanup(struct drm_device *dev);
710 extern int psb_fbdev_init(struct drm_device *dev);
711
712 /* backlight.c */
713 int gma_backlight_init(struct drm_device *dev);
714 void gma_backlight_exit(struct drm_device *dev);
715 void gma_backlight_disable(struct drm_device *dev);
716 void gma_backlight_enable(struct drm_device *dev);
717 void gma_backlight_set(struct drm_device *dev, int v);
718
719 /* oaktrail_crtc.c */
720 extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
721
722 /* oaktrail_lvds.c */
723 extern void oaktrail_lvds_init(struct drm_device *dev,
724 struct psb_intel_mode_device *mode_dev);
725
726 /* psb_intel_display.c */
727 extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
728 extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
729
730 /* psb_intel_lvds.c */
731 extern const struct drm_connector_helper_funcs
732 psb_intel_lvds_connector_helper_funcs;
733 extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
734
735 /* gem.c */
736 extern void psb_gem_free_object(struct drm_gem_object *obj);
737 extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
738 struct drm_file *file);
739 extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
740 struct drm_mode_create_dumb *args);
741 extern vm_fault_t psb_gem_fault(struct vm_fault *vmf);
742
743 /* psb_device.c */
744 extern const struct psb_ops psb_chip_ops;
745
746 /* oaktrail_device.c */
747 extern const struct psb_ops oaktrail_chip_ops;
748
749 /* mdlfd_device.c */
750 extern const struct psb_ops mdfld_chip_ops;
751
752 /* cdv_device.c */
753 extern const struct psb_ops cdv_chip_ops;
754
755 /* Debug print bits setting */
756 #define PSB_D_GENERAL (1 << 0)
757 #define PSB_D_INIT (1 << 1)
758 #define PSB_D_IRQ (1 << 2)
759 #define PSB_D_ENTRY (1 << 3)
760 /* debug the get H/V BP/FP count */
761 #define PSB_D_HV (1 << 4)
762 #define PSB_D_DBI_BF (1 << 5)
763 #define PSB_D_PM (1 << 6)
764 #define PSB_D_RENDER (1 << 7)
765 #define PSB_D_REG (1 << 8)
766 #define PSB_D_MSVDX (1 << 9)
767 #define PSB_D_TOPAZ (1 << 10)
768
769 extern int drm_idle_check_interval;
770
771 /* Utilities */
MRST_MSG_READ32(int domain,uint port,uint offset)772 static inline u32 MRST_MSG_READ32(int domain, uint port, uint offset)
773 {
774 int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
775 uint32_t ret_val = 0;
776 struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
777 pci_write_config_dword(pci_root, 0xD0, mcr);
778 pci_read_config_dword(pci_root, 0xD4, &ret_val);
779 pci_dev_put(pci_root);
780 return ret_val;
781 }
MRST_MSG_WRITE32(int domain,uint port,uint offset,u32 value)782 static inline void MRST_MSG_WRITE32(int domain, uint port, uint offset,
783 u32 value)
784 {
785 int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
786 struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
787 pci_write_config_dword(pci_root, 0xD4, value);
788 pci_write_config_dword(pci_root, 0xD0, mcr);
789 pci_dev_put(pci_root);
790 }
MDFLD_MSG_READ32(int domain,uint port,uint offset)791 static inline u32 MDFLD_MSG_READ32(int domain, uint port, uint offset)
792 {
793 int mcr = (0x10<<24) | (port << 16) | (offset << 8);
794 uint32_t ret_val = 0;
795 struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
796 pci_write_config_dword(pci_root, 0xD0, mcr);
797 pci_read_config_dword(pci_root, 0xD4, &ret_val);
798 pci_dev_put(pci_root);
799 return ret_val;
800 }
MDFLD_MSG_WRITE32(int domain,uint port,uint offset,u32 value)801 static inline void MDFLD_MSG_WRITE32(int domain, uint port, uint offset,
802 u32 value)
803 {
804 int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
805 struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
806 pci_write_config_dword(pci_root, 0xD4, value);
807 pci_write_config_dword(pci_root, 0xD0, mcr);
808 pci_dev_put(pci_root);
809 }
810
REGISTER_READ(struct drm_device * dev,uint32_t reg)811 static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
812 {
813 struct drm_psb_private *dev_priv = dev->dev_private;
814 return ioread32(dev_priv->vdc_reg + reg);
815 }
816
REGISTER_READ_AUX(struct drm_device * dev,uint32_t reg)817 static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
818 {
819 struct drm_psb_private *dev_priv = dev->dev_private;
820 return ioread32(dev_priv->aux_reg + reg);
821 }
822
823 #define REG_READ(reg) REGISTER_READ(dev, (reg))
824 #define REG_READ_AUX(reg) REGISTER_READ_AUX(dev, (reg))
825
826 /* Useful for post reads */
REGISTER_READ_WITH_AUX(struct drm_device * dev,uint32_t reg,int aux)827 static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
828 uint32_t reg, int aux)
829 {
830 uint32_t val;
831
832 if (aux)
833 val = REG_READ_AUX(reg);
834 else
835 val = REG_READ(reg);
836
837 return val;
838 }
839
840 #define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
841
REGISTER_WRITE(struct drm_device * dev,uint32_t reg,uint32_t val)842 static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
843 uint32_t val)
844 {
845 struct drm_psb_private *dev_priv = dev->dev_private;
846 iowrite32((val), dev_priv->vdc_reg + (reg));
847 }
848
REGISTER_WRITE_AUX(struct drm_device * dev,uint32_t reg,uint32_t val)849 static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
850 uint32_t val)
851 {
852 struct drm_psb_private *dev_priv = dev->dev_private;
853 iowrite32((val), dev_priv->aux_reg + (reg));
854 }
855
856 #define REG_WRITE(reg, val) REGISTER_WRITE(dev, (reg), (val))
857 #define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val))
858
REGISTER_WRITE_WITH_AUX(struct drm_device * dev,uint32_t reg,uint32_t val,int aux)859 static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
860 uint32_t val, int aux)
861 {
862 if (aux)
863 REG_WRITE_AUX(reg, val);
864 else
865 REG_WRITE(reg, val);
866 }
867
868 #define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
869
REGISTER_WRITE16(struct drm_device * dev,uint32_t reg,uint32_t val)870 static inline void REGISTER_WRITE16(struct drm_device *dev,
871 uint32_t reg, uint32_t val)
872 {
873 struct drm_psb_private *dev_priv = dev->dev_private;
874 iowrite16((val), dev_priv->vdc_reg + (reg));
875 }
876
877 #define REG_WRITE16(reg, val) REGISTER_WRITE16(dev, (reg), (val))
878
REGISTER_WRITE8(struct drm_device * dev,uint32_t reg,uint32_t val)879 static inline void REGISTER_WRITE8(struct drm_device *dev,
880 uint32_t reg, uint32_t val)
881 {
882 struct drm_psb_private *dev_priv = dev->dev_private;
883 iowrite8((val), dev_priv->vdc_reg + (reg));
884 }
885
886 #define REG_WRITE8(reg, val) REGISTER_WRITE8(dev, (reg), (val))
887
888 #define PSB_WVDC32(_val, _offs) iowrite32(_val, dev_priv->vdc_reg + (_offs))
889 #define PSB_RVDC32(_offs) ioread32(dev_priv->vdc_reg + (_offs))
890
891 /* #define TRAP_SGX_PM_FAULT 1 */
892 #ifdef TRAP_SGX_PM_FAULT
893 #define PSB_RSGX32(_offs) \
894 ({ \
895 if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) { \
896 pr_err("access sgx when it's off!! (READ) %s, %d\n", \
897 __FILE__, __LINE__); \
898 melay(1000); \
899 } \
900 ioread32(dev_priv->sgx_reg + (_offs)); \
901 })
902 #else
903 #define PSB_RSGX32(_offs) ioread32(dev_priv->sgx_reg + (_offs))
904 #endif
905 #define PSB_WSGX32(_val, _offs) iowrite32(_val, dev_priv->sgx_reg + (_offs))
906
907 #define MSVDX_REG_DUMP 0
908
909 #define PSB_WMSVDX32(_val, _offs) iowrite32(_val, dev_priv->msvdx_reg + (_offs))
910 #define PSB_RMSVDX32(_offs) ioread32(dev_priv->msvdx_reg + (_offs))
911
912 #endif
913
