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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 "gtt.h"
17#include "intel_bios.h"
18#include "mmu.h"
19#include "oaktrail.h"
20#include "opregion.h"
21#include "power.h"
22#include "psb_intel_drv.h"
23#include "psb_reg.h"
24
25#define DRIVER_AUTHOR "Alan Cox <alan@linux.intel.com> and others"
26
27#define DRIVER_NAME "gma500"
28#define DRIVER_DESC "DRM driver for the Intel GMA500, GMA600, GMA3600, GMA3650"
29#define DRIVER_DATE "20140314"
30
31#define DRIVER_MAJOR 1
32#define DRIVER_MINOR 0
33#define DRIVER_PATCHLEVEL 0
34
35/* Append new drm mode definition here, align with libdrm definition */
36#define DRM_MODE_SCALE_NO_SCALE 2
37
38#define IS_PSB(drm) ((to_pci_dev((drm)->dev)->device & 0xfffe) == 0x8108)
39#define IS_MRST(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x4100)
40#define IS_CDV(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x0be0)
41
42/* Hardware offsets */
43#define PSB_VDC_OFFSET 0x00000000
44#define PSB_VDC_SIZE 0x000080000
45#define MRST_MMIO_SIZE 0x0000C0000
46#define PSB_SGX_SIZE 0x8000
47#define PSB_SGX_OFFSET 0x00040000
48#define MRST_SGX_OFFSET 0x00080000
49
50/* PCI resource identifiers */
51#define PSB_MMIO_RESOURCE 0
52#define PSB_AUX_RESOURCE 0
53#define PSB_GATT_RESOURCE 2
54#define PSB_GTT_RESOURCE 3
55
56/* PCI configuration */
57#define PSB_GMCH_CTRL 0x52
58#define PSB_BSM 0x5C
59#define _PSB_GMCH_ENABLED 0x4
60#define PSB_PGETBL_CTL 0x2020
61#define _PSB_PGETBL_ENABLED 0x00000001
62#define PSB_SGX_2D_SLAVE_PORT 0x4000
63#define PSB_LPC_GBA 0x44
64
65/* TODO: To get rid of */
66#define PSB_TT_PRIV0_LIMIT (256*1024*1024)
67#define PSB_TT_PRIV0_PLIMIT (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
68
69/* SGX side MMU definitions (these can probably go) */
70
71/* Flags for external memory type field */
72#define PSB_MMU_CACHED_MEMORY 0x0001 /* Bind to MMU only */
73#define PSB_MMU_RO_MEMORY 0x0002 /* MMU RO memory */
74#define PSB_MMU_WO_MEMORY 0x0004 /* MMU WO memory */
75
76/* PTE's and PDE's */
77#define PSB_PDE_MASK 0x003FFFFF
78#define PSB_PDE_SHIFT 22
79#define PSB_PTE_SHIFT 12
80
81/* Cache control */
82#define PSB_PTE_VALID 0x0001 /* PTE / PDE valid */
83#define PSB_PTE_WO 0x0002 /* Write only */
84#define PSB_PTE_RO 0x0004 /* Read only */
85#define PSB_PTE_CACHED 0x0008 /* CPU cache coherent */
86
87/* VDC registers and bits */
88#define PSB_MSVDX_CLOCKGATING 0x2064
89#define PSB_TOPAZ_CLOCKGATING 0x2068
90#define PSB_HWSTAM 0x2098
91#define PSB_INSTPM 0x20C0
92#define PSB_INT_IDENTITY_R 0x20A4
93#define _PSB_IRQ_ASLE (1<<0)
94#define _MDFLD_PIPEC_EVENT_FLAG (1<<2)
95#define _MDFLD_PIPEC_VBLANK_FLAG (1<<3)
96#define _PSB_DPST_PIPEB_FLAG (1<<4)
97#define _MDFLD_PIPEB_EVENT_FLAG (1<<4)
98#define _PSB_VSYNC_PIPEB_FLAG (1<<5)
99#define _PSB_DPST_PIPEA_FLAG (1<<6)
100#define _PSB_PIPEA_EVENT_FLAG (1<<6)
101#define _PSB_VSYNC_PIPEA_FLAG (1<<7)
102#define _PSB_IRQ_DISP_HOTSYNC (1<<17)
103#define _PSB_IRQ_SGX_FLAG (1<<18)
104#define _PSB_IRQ_MSVDX_FLAG (1<<19)
105#define _LNC_IRQ_TOPAZ_FLAG (1<<20)
106
107#define _PSB_PIPE_EVENT_FLAG (_PSB_VSYNC_PIPEA_FLAG | \
108 _PSB_VSYNC_PIPEB_FLAG)
109
110#define PSB_INT_IDENTITY_R 0x20A4
111#define PSB_INT_MASK_R 0x20A8
112#define PSB_INT_ENABLE_R 0x20A0
113
114#define _PSB_MMU_ER_MASK 0x0001FF00
115#define _PSB_MMU_ER_HOST (1 << 16)
116#define GPIOA 0x5010
117#define GPIOB 0x5014
118#define GPIOC 0x5018
119#define GPIOD 0x501c
120#define GPIOE 0x5020
121#define GPIOF 0x5024
122#define GPIOG 0x5028
123#define GPIOH 0x502c
124#define GPIO_CLOCK_DIR_MASK (1 << 0)
125#define GPIO_CLOCK_DIR_IN (0 << 1)
126#define GPIO_CLOCK_DIR_OUT (1 << 1)
127#define GPIO_CLOCK_VAL_MASK (1 << 2)
128#define GPIO_CLOCK_VAL_OUT (1 << 3)
129#define GPIO_CLOCK_VAL_IN (1 << 4)
130#define GPIO_CLOCK_PULLUP_DISABLE (1 << 5)
131#define GPIO_DATA_DIR_MASK (1 << 8)
132#define GPIO_DATA_DIR_IN (0 << 9)
133#define GPIO_DATA_DIR_OUT (1 << 9)
134#define GPIO_DATA_VAL_MASK (1 << 10)
135#define GPIO_DATA_VAL_OUT (1 << 11)
136#define GPIO_DATA_VAL_IN (1 << 12)
137#define GPIO_DATA_PULLUP_DISABLE (1 << 13)
138
139#define VCLK_DIVISOR_VGA0 0x6000
140#define VCLK_DIVISOR_VGA1 0x6004
141#define VCLK_POST_DIV 0x6010
142
143#define PSB_COMM_2D (PSB_ENGINE_2D << 4)
144#define PSB_COMM_3D (PSB_ENGINE_3D << 4)
145#define PSB_COMM_TA (PSB_ENGINE_TA << 4)
146#define PSB_COMM_HP (PSB_ENGINE_HP << 4)
147#define PSB_COMM_USER_IRQ (1024 >> 2)
148#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
149#define PSB_COMM_FW (2048 >> 2)
150
151#define PSB_UIRQ_VISTEST 1
152#define PSB_UIRQ_OOM_REPLY 2
153#define PSB_UIRQ_FIRE_TA_REPLY 3
154#define PSB_UIRQ_FIRE_RASTER_REPLY 4
155
156#define PSB_2D_SIZE (256*1024*1024)
157#define PSB_MAX_RELOC_PAGES 1024
158
159#define PSB_LOW_REG_OFFS 0x0204
160#define PSB_HIGH_REG_OFFS 0x0600
161
162#define PSB_NUM_VBLANKS 2
163
164#define PSB_WATCHDOG_DELAY (HZ * 2)
165
166#define PSB_MAX_BRIGHTNESS 100
167
168#define PSB_PWR_STATE_ON 1
169#define PSB_PWR_STATE_OFF 2
170
171#define PSB_PMPOLICY_NOPM 0
172#define PSB_PMPOLICY_CLOCKGATING 1
173#define PSB_PMPOLICY_POWERDOWN 2
174
175#define PSB_PMSTATE_POWERUP 0
176#define PSB_PMSTATE_CLOCKGATED 1
177#define PSB_PMSTATE_POWERDOWN 2
178#define PSB_PCIx_MSI_ADDR_LOC 0x94
179#define PSB_PCIx_MSI_DATA_LOC 0x98
180
181/* Medfield crystal settings */
182#define KSEL_CRYSTAL_19 1
183#define KSEL_BYPASS_19 5
184#define KSEL_BYPASS_25 6
185#define KSEL_BYPASS_83_100 7
186
187struct drm_fb_helper;
188struct drm_fb_helper_surface_size;
189
190struct opregion_header;
191struct opregion_acpi;
192struct opregion_swsci;
193struct opregion_asle;
194
195struct psb_intel_opregion {
196 struct opregion_header *header;
197 struct opregion_acpi *acpi;
198 struct opregion_swsci *swsci;
199 struct opregion_asle *asle;
200 void *vbt;
201 u32 __iomem *lid_state;
202 struct work_struct asle_work;
203};
204
205struct sdvo_device_mapping {
206 u8 initialized;
207 u8 dvo_port;
208 u8 target_addr;
209 u8 dvo_wiring;
210 u8 i2c_pin;
211 u8 i2c_speed;
212 u8 ddc_pin;
213};
214
215struct intel_gmbus {
216 struct i2c_adapter adapter;
217 struct i2c_adapter *force_bit;
218 u32 reg0;
219};
220
221/* Register offset maps */
222struct psb_offset {
223 u32 fp0;
224 u32 fp1;
225 u32 cntr;
226 u32 conf;
227 u32 src;
228 u32 dpll;
229 u32 dpll_md;
230 u32 htotal;
231 u32 hblank;
232 u32 hsync;
233 u32 vtotal;
234 u32 vblank;
235 u32 vsync;
236 u32 stride;
237 u32 size;
238 u32 pos;
239 u32 surf;
240 u32 addr;
241 u32 base;
242 u32 status;
243 u32 linoff;
244 u32 tileoff;
245 u32 palette;
246};
247
248/*
249 * Register save state. This is used to hold the context when the
250 * device is powered off. In the case of Oaktrail this can (but does not
251 * yet) include screen blank. Operations occuring during the save
252 * update the register cache instead.
253 */
254
255/* Common status for pipes */
256struct psb_pipe {
257 u32 fp0;
258 u32 fp1;
259 u32 cntr;
260 u32 conf;
261 u32 src;
262 u32 dpll;
263 u32 dpll_md;
264 u32 htotal;
265 u32 hblank;
266 u32 hsync;
267 u32 vtotal;
268 u32 vblank;
269 u32 vsync;
270 u32 stride;
271 u32 size;
272 u32 pos;
273 u32 base;
274 u32 surf;
275 u32 addr;
276 u32 status;
277 u32 linoff;
278 u32 tileoff;
279 u32 palette[256];
280};
281
282struct psb_state {
283 uint32_t saveVCLK_DIVISOR_VGA0;
284 uint32_t saveVCLK_DIVISOR_VGA1;
285 uint32_t saveVCLK_POST_DIV;
286 uint32_t saveVGACNTRL;
287 uint32_t saveADPA;
288 uint32_t saveLVDS;
289 uint32_t saveDVOA;
290 uint32_t saveDVOB;
291 uint32_t saveDVOC;
292 uint32_t savePP_ON;
293 uint32_t savePP_OFF;
294 uint32_t savePP_CONTROL;
295 uint32_t savePP_CYCLE;
296 uint32_t savePFIT_CONTROL;
297 uint32_t saveCLOCKGATING;
298 uint32_t saveDSPARB;
299 uint32_t savePFIT_AUTO_RATIOS;
300 uint32_t savePFIT_PGM_RATIOS;
301 uint32_t savePP_ON_DELAYS;
302 uint32_t savePP_OFF_DELAYS;
303 uint32_t savePP_DIVISOR;
304 uint32_t saveBCLRPAT_A;
305 uint32_t saveBCLRPAT_B;
306 uint32_t savePERF_MODE;
307 uint32_t saveDSPFW1;
308 uint32_t saveDSPFW2;
309 uint32_t saveDSPFW3;
310 uint32_t saveDSPFW4;
311 uint32_t saveDSPFW5;
312 uint32_t saveDSPFW6;
313 uint32_t saveCHICKENBIT;
314 uint32_t saveDSPACURSOR_CTRL;
315 uint32_t saveDSPBCURSOR_CTRL;
316 uint32_t saveDSPACURSOR_BASE;
317 uint32_t saveDSPBCURSOR_BASE;
318 uint32_t saveDSPACURSOR_POS;
319 uint32_t saveDSPBCURSOR_POS;
320 uint32_t saveOV_OVADD;
321 uint32_t saveOV_OGAMC0;
322 uint32_t saveOV_OGAMC1;
323 uint32_t saveOV_OGAMC2;
324 uint32_t saveOV_OGAMC3;
325 uint32_t saveOV_OGAMC4;
326 uint32_t saveOV_OGAMC5;
327 uint32_t saveOVC_OVADD;
328 uint32_t saveOVC_OGAMC0;
329 uint32_t saveOVC_OGAMC1;
330 uint32_t saveOVC_OGAMC2;
331 uint32_t saveOVC_OGAMC3;
332 uint32_t saveOVC_OGAMC4;
333 uint32_t saveOVC_OGAMC5;
334
335 /* DPST register save */
336 uint32_t saveHISTOGRAM_INT_CONTROL_REG;
337 uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
338 uint32_t savePWM_CONTROL_LOGIC;
339};
340
341struct cdv_state {
342 uint32_t saveDSPCLK_GATE_D;
343 uint32_t saveRAMCLK_GATE_D;
344 uint32_t saveDSPARB;
345 uint32_t saveDSPFW[6];
346 uint32_t saveADPA;
347 uint32_t savePP_CONTROL;
348 uint32_t savePFIT_PGM_RATIOS;
349 uint32_t saveLVDS;
350 uint32_t savePFIT_CONTROL;
351 uint32_t savePP_ON_DELAYS;
352 uint32_t savePP_OFF_DELAYS;
353 uint32_t savePP_CYCLE;
354 uint32_t saveVGACNTRL;
355 uint32_t saveIER;
356 uint32_t saveIMR;
357 u8 saveLBB;
358};
359
360struct psb_save_area {
361 struct psb_pipe pipe[3];
362 uint32_t saveBSM;
363 uint32_t saveVBT;
364 union {
365 struct psb_state psb;
366 struct cdv_state cdv;
367 };
368 uint32_t saveBLC_PWM_CTL2;
369 uint32_t saveBLC_PWM_CTL;
370};
371
372struct psb_ops;
373
374#define PSB_NUM_PIPE 3
375
376struct intel_scu_ipc_dev;
377
378struct drm_psb_private {
379 struct drm_device dev;
380
381 struct pci_dev *aux_pdev; /* Currently only used by mrst */
382 struct pci_dev *lpc_pdev; /* Currently only used by mrst */
383 const struct psb_ops *ops;
384 const struct psb_offset *regmap;
385
386 struct child_device_config *child_dev;
387 int child_dev_num;
388
389 struct psb_gtt gtt;
390
391 /* GTT Memory manager */
392 struct psb_gtt_mm *gtt_mm;
393 struct page *scratch_page;
394 u32 __iomem *gtt_map;
395 uint32_t stolen_base;
396 u8 __iomem *vram_addr;
397 unsigned long vram_stolen_size;
398 u16 gmch_ctrl; /* Saved GTT setup */
399 u32 pge_ctl;
400
401 struct mutex gtt_mutex;
402 struct resource *gtt_mem; /* Our PCI resource */
403
404 struct mutex mmap_mutex;
405
406 struct psb_mmu_driver *mmu;
407 struct psb_mmu_pd *pf_pd;
408
409 /* Register base */
410 uint8_t __iomem *sgx_reg;
411 uint8_t __iomem *vdc_reg;
412 uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
413 uint16_t lpc_gpio_base;
414 uint32_t gatt_free_offset;
415
416 /* Fencing / irq */
417 uint32_t vdc_irq_mask;
418 uint32_t pipestat[PSB_NUM_PIPE];
419
420 spinlock_t irqmask_lock;
421 bool irq_enabled;
422
423 /* Power */
424 bool pm_initialized;
425
426 /* Modesetting */
427 struct psb_intel_mode_device mode_dev;
428 bool modeset; /* true if we have done the mode_device setup */
429
430 struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
431 struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
432 uint32_t num_pipe;
433
434 /* OSPM info (Power management base) (TODO: can go ?) */
435 uint32_t ospm_base;
436
437 /* Sizes info */
438 u32 fuse_reg_value;
439 u32 video_device_fuse;
440
441 /* PCI revision ID for B0:D2:F0 */
442 uint8_t platform_rev_id;
443
444 /* gmbus */
445 struct intel_gmbus *gmbus;
446 uint8_t __iomem *gmbus_reg;
447
448 /* Used by SDVO */
449 int crt_ddc_pin;
450 /* FIXME: The mappings should be parsed from bios but for now we can
451 pretend there are no mappings available */
452 struct sdvo_device_mapping sdvo_mappings[2];
453 u32 hotplug_supported_mask;
454 struct drm_property *broadcast_rgb_property;
455 struct drm_property *force_audio_property;
456
457 /* LVDS info */
458 int backlight_duty_cycle; /* restore backlight to this value */
459 bool panel_wants_dither;
460 struct drm_display_mode *panel_fixed_mode;
461 struct drm_display_mode *lfp_lvds_vbt_mode;
462 struct drm_display_mode *sdvo_lvds_vbt_mode;
463
464 struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
465 struct gma_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
466
467 /* Feature bits from the VBIOS */
468 unsigned int int_tv_support:1;
469 unsigned int lvds_dither:1;
470 unsigned int lvds_vbt:1;
471 unsigned int int_crt_support:1;
472 unsigned int lvds_use_ssc:1;
473 int lvds_ssc_freq;
474 bool is_lvds_on;
475 bool is_mipi_on;
476 bool lvds_enabled_in_vbt;
477 u32 mipi_ctrl_display;
478
479 unsigned int core_freq;
480 uint32_t iLVDS_enable;
481
482 /* MID specific */
483 bool use_msi;
484 bool has_gct;
485 struct oaktrail_gct_data gct_data;
486
487 /* Oaktrail HDMI state */
488 struct oaktrail_hdmi_dev *hdmi_priv;
489
490 /* Register state */
491 struct psb_save_area regs;
492
493 /* Hotplug handling */
494 struct work_struct hotplug_work;
495
496 struct psb_intel_opregion opregion;
497
498 /* Watchdog */
499 uint32_t apm_reg;
500 uint16_t apm_base;
501
502 /*
503 * Used for modifying backlight from
504 * xrandr -- consider removing and using HAL instead
505 */
506 struct intel_scu_ipc_dev *scu;
507 struct backlight_device *backlight_device;
508 struct drm_property *backlight_property;
509 bool backlight_enabled;
510 int backlight_level;
511 uint32_t blc_adj1;
512 uint32_t blc_adj2;
513
514 bool dsr_enable;
515 u32 dsr_fb_update;
516 bool dpi_panel_on[3];
517 void *dsi_configs[2];
518 u32 bpp;
519 u32 bpp2;
520
521 u32 pipeconf[3];
522 u32 dspcntr[3];
523
524 bool dplla_96mhz; /* DPLL data from the VBT */
525
526 struct {
527 int rate;
528 int lanes;
529 int preemphasis;
530 int vswing;
531
532 bool initialized;
533 bool support;
534 int bpp;
535 struct edp_power_seq pps;
536 } edp;
537 uint8_t panel_type;
538};
539
540static inline struct drm_psb_private *to_drm_psb_private(struct drm_device *dev)
541{
542 return container_of(dev, struct drm_psb_private, dev);
543}
544
545/* Operations for each board type */
546struct psb_ops {
547 const char *name;
548 int pipes; /* Number of output pipes */
549 int crtcs; /* Number of CRTCs */
550 int sgx_offset; /* Base offset of SGX device */
551 int hdmi_mask; /* Mask of HDMI CRTCs */
552 int lvds_mask; /* Mask of LVDS CRTCs */
553 int sdvo_mask; /* Mask of SDVO CRTCs */
554 int cursor_needs_phys; /* If cursor base reg need physical address */
555
556 /* Sub functions */
557 struct drm_crtc_helper_funcs const *crtc_helper;
558 const struct gma_clock_funcs *clock_funcs;
559
560 /* Setup hooks */
561 int (*chip_setup)(struct drm_device *dev);
562 void (*chip_teardown)(struct drm_device *dev);
563 /* Optional helper caller after modeset */
564 void (*errata)(struct drm_device *dev);
565
566 /* Display management hooks */
567 int (*output_init)(struct drm_device *dev);
568 int (*hotplug)(struct drm_device *dev);
569 void (*hotplug_enable)(struct drm_device *dev, bool on);
570 /* Power management hooks */
571 void (*init_pm)(struct drm_device *dev);
572 int (*save_regs)(struct drm_device *dev);
573 int (*restore_regs)(struct drm_device *dev);
574 void (*save_crtc)(struct drm_crtc *crtc);
575 void (*restore_crtc)(struct drm_crtc *crtc);
576 int (*power_up)(struct drm_device *dev);
577 int (*power_down)(struct drm_device *dev);
578 void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
579 void (*disable_sr)(struct drm_device *dev);
580
581 void (*lvds_bl_power)(struct drm_device *dev, bool on);
582
583 /* Backlight */
584 int (*backlight_init)(struct drm_device *dev);
585 void (*backlight_set)(struct drm_device *dev, int level);
586 int (*backlight_get)(struct drm_device *dev);
587 const char *backlight_name;
588
589 int i2c_bus; /* I2C bus identifier for Moorestown */
590};
591
592/* modesetting */
593extern void psb_modeset_init(struct drm_device *dev);
594extern void psb_modeset_cleanup(struct drm_device *dev);
595
596/* framebuffer */
597struct drm_framebuffer *psb_framebuffer_create(struct drm_device *dev,
598 const struct drm_mode_fb_cmd2 *mode_cmd,
599 struct drm_gem_object *obj);
600
601/* fbdev */
602#if defined(CONFIG_DRM_FBDEV_EMULATION)
603int psb_fbdev_driver_fbdev_probe(struct drm_fb_helper *fb_helper,
604 struct drm_fb_helper_surface_size *sizes);
605#define PSB_FBDEV_DRIVER_OPS \
606 .fbdev_probe = psb_fbdev_driver_fbdev_probe
607#else
608#define PSB_FBDEV_DRIVER_OPS \
609 .fbdev_probe = NULL
610#endif
611
612/* backlight.c */
613int gma_backlight_init(struct drm_device *dev);
614void gma_backlight_exit(struct drm_device *dev);
615void gma_backlight_disable(struct drm_device *dev);
616void gma_backlight_enable(struct drm_device *dev);
617void gma_backlight_set(struct drm_device *dev, int v);
618
619/* oaktrail_crtc.c */
620extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
621
622/* oaktrail_lvds.c */
623extern void oaktrail_lvds_init(struct drm_device *dev,
624 struct psb_intel_mode_device *mode_dev);
625
626/* psb_intel_display.c */
627extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
628
629/* psb_intel_lvds.c */
630extern const struct drm_connector_helper_funcs
631 psb_intel_lvds_connector_helper_funcs;
632extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
633
634/* gem.c */
635extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
636 struct drm_mode_create_dumb *args);
637
638/* psb_device.c */
639extern const struct psb_ops psb_chip_ops;
640
641/* oaktrail_device.c */
642extern const struct psb_ops oaktrail_chip_ops;
643
644/* cdv_device.c */
645extern const struct psb_ops cdv_chip_ops;
646
647/* Utilities */
648static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
649{
650 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
651 return ioread32(dev_priv->vdc_reg + reg);
652}
653
654static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
655{
656 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
657 return ioread32(dev_priv->aux_reg + reg);
658}
659
660#define REG_READ(reg) REGISTER_READ(dev, (reg))
661#define REG_READ_AUX(reg) REGISTER_READ_AUX(dev, (reg))
662
663/* Useful for post reads */
664static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
665 uint32_t reg, int aux)
666{
667 uint32_t val;
668
669 if (aux)
670 val = REG_READ_AUX(reg);
671 else
672 val = REG_READ(reg);
673
674 return val;
675}
676
677#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
678
679static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
680 uint32_t val)
681{
682 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
683 iowrite32((val), dev_priv->vdc_reg + (reg));
684}
685
686static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
687 uint32_t val)
688{
689 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
690 iowrite32((val), dev_priv->aux_reg + (reg));
691}
692
693#define REG_WRITE(reg, val) REGISTER_WRITE(dev, (reg), (val))
694#define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val))
695
696static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
697 uint32_t val, int aux)
698{
699 if (aux)
700 REG_WRITE_AUX(reg, val);
701 else
702 REG_WRITE(reg, val);
703}
704
705#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
706
707static inline void REGISTER_WRITE16(struct drm_device *dev,
708 uint32_t reg, uint32_t val)
709{
710 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
711 iowrite16((val), dev_priv->vdc_reg + (reg));
712}
713
714#define REG_WRITE16(reg, val) REGISTER_WRITE16(dev, (reg), (val))
715
716static inline void REGISTER_WRITE8(struct drm_device *dev,
717 uint32_t reg, uint32_t val)
718{
719 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
720 iowrite8((val), dev_priv->vdc_reg + (reg));
721}
722
723#define REG_WRITE8(reg, val) REGISTER_WRITE8(dev, (reg), (val))
724
725#define PSB_WVDC32(_val, _offs) iowrite32(_val, dev_priv->vdc_reg + (_offs))
726#define PSB_RVDC32(_offs) ioread32(dev_priv->vdc_reg + (_offs))
727
728#define PSB_RSGX32(_offs) ioread32(dev_priv->sgx_reg + (_offs))
729#define PSB_WSGX32(_val, _offs) iowrite32(_val, dev_priv->sgx_reg + (_offs))
730
731#define PSB_WMSVDX32(_val, _offs) iowrite32(_val, dev_priv->msvdx_reg + (_offs))
732#define PSB_RMSVDX32(_offs) ioread32(dev_priv->msvdx_reg + (_offs))
733
734#endif
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
39enum {
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
232struct drm_fb_helper;
233
234struct opregion_header;
235struct opregion_acpi;
236struct opregion_swsci;
237struct opregion_asle;
238
239struct psb_intel_opregion {
240 struct opregion_header *header;
241 struct opregion_acpi *acpi;
242 struct opregion_swsci *swsci;
243 struct opregion_asle *asle;
244 void *vbt;
245 u32 __iomem *lid_state;
246 struct work_struct asle_work;
247};
248
249struct sdvo_device_mapping {
250 u8 initialized;
251 u8 dvo_port;
252 u8 slave_addr;
253 u8 dvo_wiring;
254 u8 i2c_pin;
255 u8 i2c_speed;
256 u8 ddc_pin;
257};
258
259struct intel_gmbus {
260 struct i2c_adapter adapter;
261 struct i2c_adapter *force_bit;
262 u32 reg0;
263};
264
265/* Register offset maps */
266struct psb_offset {
267 u32 fp0;
268 u32 fp1;
269 u32 cntr;
270 u32 conf;
271 u32 src;
272 u32 dpll;
273 u32 dpll_md;
274 u32 htotal;
275 u32 hblank;
276 u32 hsync;
277 u32 vtotal;
278 u32 vblank;
279 u32 vsync;
280 u32 stride;
281 u32 size;
282 u32 pos;
283 u32 surf;
284 u32 addr;
285 u32 base;
286 u32 status;
287 u32 linoff;
288 u32 tileoff;
289 u32 palette;
290};
291
292/*
293 * Register save state. This is used to hold the context when the
294 * device is powered off. In the case of Oaktrail this can (but does not
295 * yet) include screen blank. Operations occuring during the save
296 * update the register cache instead.
297 */
298
299/* Common status for pipes */
300struct psb_pipe {
301 u32 fp0;
302 u32 fp1;
303 u32 cntr;
304 u32 conf;
305 u32 src;
306 u32 dpll;
307 u32 dpll_md;
308 u32 htotal;
309 u32 hblank;
310 u32 hsync;
311 u32 vtotal;
312 u32 vblank;
313 u32 vsync;
314 u32 stride;
315 u32 size;
316 u32 pos;
317 u32 base;
318 u32 surf;
319 u32 addr;
320 u32 status;
321 u32 linoff;
322 u32 tileoff;
323 u32 palette[256];
324};
325
326struct psb_state {
327 uint32_t saveVCLK_DIVISOR_VGA0;
328 uint32_t saveVCLK_DIVISOR_VGA1;
329 uint32_t saveVCLK_POST_DIV;
330 uint32_t saveVGACNTRL;
331 uint32_t saveADPA;
332 uint32_t saveLVDS;
333 uint32_t saveDVOA;
334 uint32_t saveDVOB;
335 uint32_t saveDVOC;
336 uint32_t savePP_ON;
337 uint32_t savePP_OFF;
338 uint32_t savePP_CONTROL;
339 uint32_t savePP_CYCLE;
340 uint32_t savePFIT_CONTROL;
341 uint32_t saveCLOCKGATING;
342 uint32_t saveDSPARB;
343 uint32_t savePFIT_AUTO_RATIOS;
344 uint32_t savePFIT_PGM_RATIOS;
345 uint32_t savePP_ON_DELAYS;
346 uint32_t savePP_OFF_DELAYS;
347 uint32_t savePP_DIVISOR;
348 uint32_t saveBCLRPAT_A;
349 uint32_t saveBCLRPAT_B;
350 uint32_t savePERF_MODE;
351 uint32_t saveDSPFW1;
352 uint32_t saveDSPFW2;
353 uint32_t saveDSPFW3;
354 uint32_t saveDSPFW4;
355 uint32_t saveDSPFW5;
356 uint32_t saveDSPFW6;
357 uint32_t saveCHICKENBIT;
358 uint32_t saveDSPACURSOR_CTRL;
359 uint32_t saveDSPBCURSOR_CTRL;
360 uint32_t saveDSPACURSOR_BASE;
361 uint32_t saveDSPBCURSOR_BASE;
362 uint32_t saveDSPACURSOR_POS;
363 uint32_t saveDSPBCURSOR_POS;
364 uint32_t saveOV_OVADD;
365 uint32_t saveOV_OGAMC0;
366 uint32_t saveOV_OGAMC1;
367 uint32_t saveOV_OGAMC2;
368 uint32_t saveOV_OGAMC3;
369 uint32_t saveOV_OGAMC4;
370 uint32_t saveOV_OGAMC5;
371 uint32_t saveOVC_OVADD;
372 uint32_t saveOVC_OGAMC0;
373 uint32_t saveOVC_OGAMC1;
374 uint32_t saveOVC_OGAMC2;
375 uint32_t saveOVC_OGAMC3;
376 uint32_t saveOVC_OGAMC4;
377 uint32_t saveOVC_OGAMC5;
378
379 /* DPST register save */
380 uint32_t saveHISTOGRAM_INT_CONTROL_REG;
381 uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
382 uint32_t savePWM_CONTROL_LOGIC;
383};
384
385struct medfield_state {
386 uint32_t saveMIPI;
387 uint32_t saveMIPI_C;
388
389 uint32_t savePFIT_CONTROL;
390 uint32_t savePFIT_PGM_RATIOS;
391 uint32_t saveHDMIPHYMISCCTL;
392 uint32_t saveHDMIB_CONTROL;
393};
394
395struct cdv_state {
396 uint32_t saveDSPCLK_GATE_D;
397 uint32_t saveRAMCLK_GATE_D;
398 uint32_t saveDSPARB;
399 uint32_t saveDSPFW[6];
400 uint32_t saveADPA;
401 uint32_t savePP_CONTROL;
402 uint32_t savePFIT_PGM_RATIOS;
403 uint32_t saveLVDS;
404 uint32_t savePFIT_CONTROL;
405 uint32_t savePP_ON_DELAYS;
406 uint32_t savePP_OFF_DELAYS;
407 uint32_t savePP_CYCLE;
408 uint32_t saveVGACNTRL;
409 uint32_t saveIER;
410 uint32_t saveIMR;
411 u8 saveLBB;
412};
413
414struct psb_save_area {
415 struct psb_pipe pipe[3];
416 uint32_t saveBSM;
417 uint32_t saveVBT;
418 union {
419 struct psb_state psb;
420 struct medfield_state mdfld;
421 struct cdv_state cdv;
422 };
423 uint32_t saveBLC_PWM_CTL2;
424 uint32_t saveBLC_PWM_CTL;
425};
426
427struct psb_ops;
428
429#define PSB_NUM_PIPE 3
430
431struct drm_psb_private {
432 struct drm_device *dev;
433 struct pci_dev *aux_pdev; /* Currently only used by mrst */
434 struct pci_dev *lpc_pdev; /* Currently only used by mrst */
435 const struct psb_ops *ops;
436 const struct psb_offset *regmap;
437
438 struct child_device_config *child_dev;
439 int child_dev_num;
440
441 struct psb_gtt gtt;
442
443 /* GTT Memory manager */
444 struct psb_gtt_mm *gtt_mm;
445 struct page *scratch_page;
446 u32 __iomem *gtt_map;
447 uint32_t stolen_base;
448 u8 __iomem *vram_addr;
449 unsigned long vram_stolen_size;
450 int gtt_initialized;
451 u16 gmch_ctrl; /* Saved GTT setup */
452 u32 pge_ctl;
453
454 struct mutex gtt_mutex;
455 struct resource *gtt_mem; /* Our PCI resource */
456
457 struct mutex mmap_mutex;
458
459 struct psb_mmu_driver *mmu;
460 struct psb_mmu_pd *pf_pd;
461
462 /* Register base */
463 uint8_t __iomem *sgx_reg;
464 uint8_t __iomem *vdc_reg;
465 uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
466 uint16_t lpc_gpio_base;
467 uint32_t gatt_free_offset;
468
469 /* Fencing / irq */
470 uint32_t vdc_irq_mask;
471 uint32_t pipestat[PSB_NUM_PIPE];
472
473 spinlock_t irqmask_lock;
474
475 /* Power */
476 bool suspended;
477 bool display_power;
478 int display_count;
479
480 /* Modesetting */
481 struct psb_intel_mode_device mode_dev;
482 bool modeset; /* true if we have done the mode_device setup */
483
484 struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
485 struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
486 uint32_t num_pipe;
487
488 /* OSPM info (Power management base) (TODO: can go ?) */
489 uint32_t ospm_base;
490
491 /* Sizes info */
492 u32 fuse_reg_value;
493 u32 video_device_fuse;
494
495 /* PCI revision ID for B0:D2:F0 */
496 uint8_t platform_rev_id;
497
498 /* gmbus */
499 struct intel_gmbus *gmbus;
500 uint8_t __iomem *gmbus_reg;
501
502 /* Used by SDVO */
503 int crt_ddc_pin;
504 /* FIXME: The mappings should be parsed from bios but for now we can
505 pretend there are no mappings available */
506 struct sdvo_device_mapping sdvo_mappings[2];
507 u32 hotplug_supported_mask;
508 struct drm_property *broadcast_rgb_property;
509 struct drm_property *force_audio_property;
510
511 /* LVDS info */
512 int backlight_duty_cycle; /* restore backlight to this value */
513 bool panel_wants_dither;
514 struct drm_display_mode *panel_fixed_mode;
515 struct drm_display_mode *lfp_lvds_vbt_mode;
516 struct drm_display_mode *sdvo_lvds_vbt_mode;
517
518 struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
519 struct psb_intel_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
520
521 /* Feature bits from the VBIOS */
522 unsigned int int_tv_support:1;
523 unsigned int lvds_dither:1;
524 unsigned int lvds_vbt:1;
525 unsigned int int_crt_support:1;
526 unsigned int lvds_use_ssc:1;
527 int lvds_ssc_freq;
528 bool is_lvds_on;
529 bool is_mipi_on;
530 bool lvds_enabled_in_vbt;
531 u32 mipi_ctrl_display;
532
533 unsigned int core_freq;
534 uint32_t iLVDS_enable;
535
536 /* Runtime PM state */
537 int rpm_enabled;
538
539 /* MID specific */
540 bool has_gct;
541 struct oaktrail_gct_data gct_data;
542
543 /* Oaktrail HDMI state */
544 struct oaktrail_hdmi_dev *hdmi_priv;
545
546 /* Register state */
547 struct psb_save_area regs;
548
549 /* MSI reg save */
550 uint32_t msi_addr;
551 uint32_t msi_data;
552
553 /* Hotplug handling */
554 struct work_struct hotplug_work;
555
556 /* LID-Switch */
557 spinlock_t lid_lock;
558 struct timer_list lid_timer;
559 struct psb_intel_opregion opregion;
560 u32 lid_last_state;
561
562 /* Watchdog */
563 uint32_t apm_reg;
564 uint16_t apm_base;
565
566 /*
567 * Used for modifying backlight from
568 * xrandr -- consider removing and using HAL instead
569 */
570 struct backlight_device *backlight_device;
571 struct drm_property *backlight_property;
572 bool backlight_enabled;
573 int backlight_level;
574 uint32_t blc_adj1;
575 uint32_t blc_adj2;
576
577 struct drm_fb_helper *fb_helper;
578
579 /* 2D acceleration */
580 spinlock_t lock_2d;
581
582 /* Panel brightness */
583 int brightness;
584 int brightness_adjusted;
585
586 bool dsr_enable;
587 u32 dsr_fb_update;
588 bool dpi_panel_on[3];
589 void *dsi_configs[2];
590 u32 bpp;
591 u32 bpp2;
592
593 u32 pipeconf[3];
594 u32 dspcntr[3];
595
596 int mdfld_panel_id;
597
598 bool dplla_96mhz; /* DPLL data from the VBT */
599
600 struct {
601 int rate;
602 int lanes;
603 int preemphasis;
604 int vswing;
605
606 bool initialized;
607 bool support;
608 int bpp;
609 struct edp_power_seq pps;
610 } edp;
611 uint8_t panel_type;
612};
613
614
615/* Operations for each board type */
616struct psb_ops {
617 const char *name;
618 unsigned int accel_2d:1;
619 int pipes; /* Number of output pipes */
620 int crtcs; /* Number of CRTCs */
621 int sgx_offset; /* Base offset of SGX device */
622 int hdmi_mask; /* Mask of HDMI CRTCs */
623 int lvds_mask; /* Mask of LVDS CRTCs */
624 int sdvo_mask; /* Mask of SDVO CRTCs */
625 int cursor_needs_phys; /* If cursor base reg need physical address */
626
627 /* Sub functions */
628 struct drm_crtc_helper_funcs const *crtc_helper;
629 struct drm_crtc_funcs const *crtc_funcs;
630 const struct gma_clock_funcs *clock_funcs;
631
632 /* Setup hooks */
633 int (*chip_setup)(struct drm_device *dev);
634 void (*chip_teardown)(struct drm_device *dev);
635 /* Optional helper caller after modeset */
636 void (*errata)(struct drm_device *dev);
637
638 /* Display management hooks */
639 int (*output_init)(struct drm_device *dev);
640 int (*hotplug)(struct drm_device *dev);
641 void (*hotplug_enable)(struct drm_device *dev, bool on);
642 /* Power management hooks */
643 void (*init_pm)(struct drm_device *dev);
644 int (*save_regs)(struct drm_device *dev);
645 int (*restore_regs)(struct drm_device *dev);
646 void (*save_crtc)(struct drm_crtc *crtc);
647 void (*restore_crtc)(struct drm_crtc *crtc);
648 int (*power_up)(struct drm_device *dev);
649 int (*power_down)(struct drm_device *dev);
650 void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
651 void (*disable_sr)(struct drm_device *dev);
652
653 void (*lvds_bl_power)(struct drm_device *dev, bool on);
654#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
655 /* Backlight */
656 int (*backlight_init)(struct drm_device *dev);
657#endif
658 int i2c_bus; /* I2C bus identifier for Moorestown */
659};
660
661
662
663extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
664extern int drm_pick_crtcs(struct drm_device *dev);
665
666static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
667{
668 return (struct drm_psb_private *) dev->dev_private;
669}
670
671/* psb_irq.c */
672extern irqreturn_t psb_irq_handler(int irq, void *arg);
673extern int psb_irq_enable_dpst(struct drm_device *dev);
674extern int psb_irq_disable_dpst(struct drm_device *dev);
675extern void psb_irq_preinstall(struct drm_device *dev);
676extern int psb_irq_postinstall(struct drm_device *dev);
677extern void psb_irq_uninstall(struct drm_device *dev);
678extern void psb_irq_turn_on_dpst(struct drm_device *dev);
679extern void psb_irq_turn_off_dpst(struct drm_device *dev);
680
681extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
682extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
683extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
684extern int psb_enable_vblank(struct drm_crtc *crtc);
685extern void psb_disable_vblank(struct drm_crtc *crtc);
686void
687psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
688
689void
690psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
691
692extern u32 psb_get_vblank_counter(struct drm_crtc *crtc);
693
694/* framebuffer.c */
695extern int psbfb_probed(struct drm_device *dev);
696extern int psbfb_remove(struct drm_device *dev,
697 struct drm_framebuffer *fb);
698/* accel_2d.c */
699extern void psbfb_copyarea(struct fb_info *info,
700 const struct fb_copyarea *region);
701extern int psbfb_sync(struct fb_info *info);
702extern void psb_spank(struct drm_psb_private *dev_priv);
703
704/* psb_reset.c */
705extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
706extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
707extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
708
709/* modesetting */
710extern void psb_modeset_init(struct drm_device *dev);
711extern void psb_modeset_cleanup(struct drm_device *dev);
712extern int psb_fbdev_init(struct drm_device *dev);
713
714/* backlight.c */
715int gma_backlight_init(struct drm_device *dev);
716void gma_backlight_exit(struct drm_device *dev);
717void gma_backlight_disable(struct drm_device *dev);
718void gma_backlight_enable(struct drm_device *dev);
719void gma_backlight_set(struct drm_device *dev, int v);
720
721/* oaktrail_crtc.c */
722extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
723
724/* oaktrail_lvds.c */
725extern void oaktrail_lvds_init(struct drm_device *dev,
726 struct psb_intel_mode_device *mode_dev);
727
728/* psb_intel_display.c */
729extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
730extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
731
732/* psb_intel_lvds.c */
733extern const struct drm_connector_helper_funcs
734 psb_intel_lvds_connector_helper_funcs;
735extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
736
737/* gem.c */
738extern void psb_gem_free_object(struct drm_gem_object *obj);
739extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
740 struct drm_file *file);
741extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
742 struct drm_mode_create_dumb *args);
743extern vm_fault_t psb_gem_fault(struct vm_fault *vmf);
744
745/* psb_device.c */
746extern const struct psb_ops psb_chip_ops;
747
748/* oaktrail_device.c */
749extern const struct psb_ops oaktrail_chip_ops;
750
751/* mdlfd_device.c */
752extern const struct psb_ops mdfld_chip_ops;
753
754/* cdv_device.c */
755extern const struct psb_ops cdv_chip_ops;
756
757/* Debug print bits setting */
758#define PSB_D_GENERAL (1 << 0)
759#define PSB_D_INIT (1 << 1)
760#define PSB_D_IRQ (1 << 2)
761#define PSB_D_ENTRY (1 << 3)
762/* debug the get H/V BP/FP count */
763#define PSB_D_HV (1 << 4)
764#define PSB_D_DBI_BF (1 << 5)
765#define PSB_D_PM (1 << 6)
766#define PSB_D_RENDER (1 << 7)
767#define PSB_D_REG (1 << 8)
768#define PSB_D_MSVDX (1 << 9)
769#define PSB_D_TOPAZ (1 << 10)
770
771extern int drm_idle_check_interval;
772
773/* Utilities */
774static inline u32 MRST_MSG_READ32(int domain, uint port, uint offset)
775{
776 int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
777 uint32_t ret_val = 0;
778 struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
779 pci_write_config_dword(pci_root, 0xD0, mcr);
780 pci_read_config_dword(pci_root, 0xD4, &ret_val);
781 pci_dev_put(pci_root);
782 return ret_val;
783}
784static inline void MRST_MSG_WRITE32(int domain, uint port, uint offset,
785 u32 value)
786{
787 int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
788 struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
789 pci_write_config_dword(pci_root, 0xD4, value);
790 pci_write_config_dword(pci_root, 0xD0, mcr);
791 pci_dev_put(pci_root);
792}
793static inline u32 MDFLD_MSG_READ32(int domain, uint port, uint offset)
794{
795 int mcr = (0x10<<24) | (port << 16) | (offset << 8);
796 uint32_t ret_val = 0;
797 struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
798 pci_write_config_dword(pci_root, 0xD0, mcr);
799 pci_read_config_dword(pci_root, 0xD4, &ret_val);
800 pci_dev_put(pci_root);
801 return ret_val;
802}
803static inline void MDFLD_MSG_WRITE32(int domain, uint port, uint offset,
804 u32 value)
805{
806 int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
807 struct pci_dev *pci_root = pci_get_domain_bus_and_slot(domain, 0, 0);
808 pci_write_config_dword(pci_root, 0xD4, value);
809 pci_write_config_dword(pci_root, 0xD0, mcr);
810 pci_dev_put(pci_root);
811}
812
813static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
814{
815 struct drm_psb_private *dev_priv = dev->dev_private;
816 return ioread32(dev_priv->vdc_reg + reg);
817}
818
819static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
820{
821 struct drm_psb_private *dev_priv = dev->dev_private;
822 return ioread32(dev_priv->aux_reg + reg);
823}
824
825#define REG_READ(reg) REGISTER_READ(dev, (reg))
826#define REG_READ_AUX(reg) REGISTER_READ_AUX(dev, (reg))
827
828/* Useful for post reads */
829static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
830 uint32_t reg, int aux)
831{
832 uint32_t val;
833
834 if (aux)
835 val = REG_READ_AUX(reg);
836 else
837 val = REG_READ(reg);
838
839 return val;
840}
841
842#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
843
844static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
845 uint32_t val)
846{
847 struct drm_psb_private *dev_priv = dev->dev_private;
848 iowrite32((val), dev_priv->vdc_reg + (reg));
849}
850
851static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
852 uint32_t val)
853{
854 struct drm_psb_private *dev_priv = dev->dev_private;
855 iowrite32((val), dev_priv->aux_reg + (reg));
856}
857
858#define REG_WRITE(reg, val) REGISTER_WRITE(dev, (reg), (val))
859#define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val))
860
861static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
862 uint32_t val, int aux)
863{
864 if (aux)
865 REG_WRITE_AUX(reg, val);
866 else
867 REG_WRITE(reg, val);
868}
869
870#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
871
872static inline void REGISTER_WRITE16(struct drm_device *dev,
873 uint32_t reg, uint32_t val)
874{
875 struct drm_psb_private *dev_priv = dev->dev_private;
876 iowrite16((val), dev_priv->vdc_reg + (reg));
877}
878
879#define REG_WRITE16(reg, val) REGISTER_WRITE16(dev, (reg), (val))
880
881static inline void REGISTER_WRITE8(struct drm_device *dev,
882 uint32_t reg, uint32_t val)
883{
884 struct drm_psb_private *dev_priv = dev->dev_private;
885 iowrite8((val), dev_priv->vdc_reg + (reg));
886}
887
888#define REG_WRITE8(reg, val) REGISTER_WRITE8(dev, (reg), (val))
889
890#define PSB_WVDC32(_val, _offs) iowrite32(_val, dev_priv->vdc_reg + (_offs))
891#define PSB_RVDC32(_offs) ioread32(dev_priv->vdc_reg + (_offs))
892
893/* #define TRAP_SGX_PM_FAULT 1 */
894#ifdef TRAP_SGX_PM_FAULT
895#define PSB_RSGX32(_offs) \
896({ \
897 if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) { \
898 pr_err("access sgx when it's off!! (READ) %s, %d\n", \
899 __FILE__, __LINE__); \
900 melay(1000); \
901 } \
902 ioread32(dev_priv->sgx_reg + (_offs)); \
903})
904#else
905#define PSB_RSGX32(_offs) ioread32(dev_priv->sgx_reg + (_offs))
906#endif
907#define PSB_WSGX32(_val, _offs) iowrite32(_val, dev_priv->sgx_reg + (_offs))
908
909#define MSVDX_REG_DUMP 0
910
911#define PSB_WMSVDX32(_val, _offs) iowrite32(_val, dev_priv->msvdx_reg + (_offs))
912#define PSB_RMSVDX32(_offs) ioread32(dev_priv->msvdx_reg + (_offs))
913
914#endif