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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 "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 opregion_header;
188struct opregion_acpi;
189struct opregion_swsci;
190struct opregion_asle;
191
192struct psb_intel_opregion {
193 struct opregion_header *header;
194 struct opregion_acpi *acpi;
195 struct opregion_swsci *swsci;
196 struct opregion_asle *asle;
197 void *vbt;
198 u32 __iomem *lid_state;
199 struct work_struct asle_work;
200};
201
202struct sdvo_device_mapping {
203 u8 initialized;
204 u8 dvo_port;
205 u8 slave_addr;
206 u8 dvo_wiring;
207 u8 i2c_pin;
208 u8 i2c_speed;
209 u8 ddc_pin;
210};
211
212struct intel_gmbus {
213 struct i2c_adapter adapter;
214 struct i2c_adapter *force_bit;
215 u32 reg0;
216};
217
218/* Register offset maps */
219struct psb_offset {
220 u32 fp0;
221 u32 fp1;
222 u32 cntr;
223 u32 conf;
224 u32 src;
225 u32 dpll;
226 u32 dpll_md;
227 u32 htotal;
228 u32 hblank;
229 u32 hsync;
230 u32 vtotal;
231 u32 vblank;
232 u32 vsync;
233 u32 stride;
234 u32 size;
235 u32 pos;
236 u32 surf;
237 u32 addr;
238 u32 base;
239 u32 status;
240 u32 linoff;
241 u32 tileoff;
242 u32 palette;
243};
244
245/*
246 * Register save state. This is used to hold the context when the
247 * device is powered off. In the case of Oaktrail this can (but does not
248 * yet) include screen blank. Operations occuring during the save
249 * update the register cache instead.
250 */
251
252/* Common status for pipes */
253struct psb_pipe {
254 u32 fp0;
255 u32 fp1;
256 u32 cntr;
257 u32 conf;
258 u32 src;
259 u32 dpll;
260 u32 dpll_md;
261 u32 htotal;
262 u32 hblank;
263 u32 hsync;
264 u32 vtotal;
265 u32 vblank;
266 u32 vsync;
267 u32 stride;
268 u32 size;
269 u32 pos;
270 u32 base;
271 u32 surf;
272 u32 addr;
273 u32 status;
274 u32 linoff;
275 u32 tileoff;
276 u32 palette[256];
277};
278
279struct psb_state {
280 uint32_t saveVCLK_DIVISOR_VGA0;
281 uint32_t saveVCLK_DIVISOR_VGA1;
282 uint32_t saveVCLK_POST_DIV;
283 uint32_t saveVGACNTRL;
284 uint32_t saveADPA;
285 uint32_t saveLVDS;
286 uint32_t saveDVOA;
287 uint32_t saveDVOB;
288 uint32_t saveDVOC;
289 uint32_t savePP_ON;
290 uint32_t savePP_OFF;
291 uint32_t savePP_CONTROL;
292 uint32_t savePP_CYCLE;
293 uint32_t savePFIT_CONTROL;
294 uint32_t saveCLOCKGATING;
295 uint32_t saveDSPARB;
296 uint32_t savePFIT_AUTO_RATIOS;
297 uint32_t savePFIT_PGM_RATIOS;
298 uint32_t savePP_ON_DELAYS;
299 uint32_t savePP_OFF_DELAYS;
300 uint32_t savePP_DIVISOR;
301 uint32_t saveBCLRPAT_A;
302 uint32_t saveBCLRPAT_B;
303 uint32_t savePERF_MODE;
304 uint32_t saveDSPFW1;
305 uint32_t saveDSPFW2;
306 uint32_t saveDSPFW3;
307 uint32_t saveDSPFW4;
308 uint32_t saveDSPFW5;
309 uint32_t saveDSPFW6;
310 uint32_t saveCHICKENBIT;
311 uint32_t saveDSPACURSOR_CTRL;
312 uint32_t saveDSPBCURSOR_CTRL;
313 uint32_t saveDSPACURSOR_BASE;
314 uint32_t saveDSPBCURSOR_BASE;
315 uint32_t saveDSPACURSOR_POS;
316 uint32_t saveDSPBCURSOR_POS;
317 uint32_t saveOV_OVADD;
318 uint32_t saveOV_OGAMC0;
319 uint32_t saveOV_OGAMC1;
320 uint32_t saveOV_OGAMC2;
321 uint32_t saveOV_OGAMC3;
322 uint32_t saveOV_OGAMC4;
323 uint32_t saveOV_OGAMC5;
324 uint32_t saveOVC_OVADD;
325 uint32_t saveOVC_OGAMC0;
326 uint32_t saveOVC_OGAMC1;
327 uint32_t saveOVC_OGAMC2;
328 uint32_t saveOVC_OGAMC3;
329 uint32_t saveOVC_OGAMC4;
330 uint32_t saveOVC_OGAMC5;
331
332 /* DPST register save */
333 uint32_t saveHISTOGRAM_INT_CONTROL_REG;
334 uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
335 uint32_t savePWM_CONTROL_LOGIC;
336};
337
338struct cdv_state {
339 uint32_t saveDSPCLK_GATE_D;
340 uint32_t saveRAMCLK_GATE_D;
341 uint32_t saveDSPARB;
342 uint32_t saveDSPFW[6];
343 uint32_t saveADPA;
344 uint32_t savePP_CONTROL;
345 uint32_t savePFIT_PGM_RATIOS;
346 uint32_t saveLVDS;
347 uint32_t savePFIT_CONTROL;
348 uint32_t savePP_ON_DELAYS;
349 uint32_t savePP_OFF_DELAYS;
350 uint32_t savePP_CYCLE;
351 uint32_t saveVGACNTRL;
352 uint32_t saveIER;
353 uint32_t saveIMR;
354 u8 saveLBB;
355};
356
357struct psb_save_area {
358 struct psb_pipe pipe[3];
359 uint32_t saveBSM;
360 uint32_t saveVBT;
361 union {
362 struct psb_state psb;
363 struct cdv_state cdv;
364 };
365 uint32_t saveBLC_PWM_CTL2;
366 uint32_t saveBLC_PWM_CTL;
367};
368
369struct psb_ops;
370
371#define PSB_NUM_PIPE 3
372
373struct intel_scu_ipc_dev;
374
375struct drm_psb_private {
376 struct drm_device dev;
377
378 struct pci_dev *aux_pdev; /* Currently only used by mrst */
379 struct pci_dev *lpc_pdev; /* Currently only used by mrst */
380 const struct psb_ops *ops;
381 const struct psb_offset *regmap;
382
383 struct child_device_config *child_dev;
384 int child_dev_num;
385
386 struct psb_gtt gtt;
387
388 /* GTT Memory manager */
389 struct psb_gtt_mm *gtt_mm;
390 struct page *scratch_page;
391 u32 __iomem *gtt_map;
392 uint32_t stolen_base;
393 u8 __iomem *vram_addr;
394 unsigned long vram_stolen_size;
395 u16 gmch_ctrl; /* Saved GTT setup */
396 u32 pge_ctl;
397
398 struct mutex gtt_mutex;
399 struct resource *gtt_mem; /* Our PCI resource */
400
401 struct mutex mmap_mutex;
402
403 struct psb_mmu_driver *mmu;
404 struct psb_mmu_pd *pf_pd;
405
406 /* Register base */
407 uint8_t __iomem *sgx_reg;
408 uint8_t __iomem *vdc_reg;
409 uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
410 uint16_t lpc_gpio_base;
411 uint32_t gatt_free_offset;
412
413 /* Fencing / irq */
414 uint32_t vdc_irq_mask;
415 uint32_t pipestat[PSB_NUM_PIPE];
416
417 spinlock_t irqmask_lock;
418 bool irq_enabled;
419
420 /* Power */
421 bool pm_initialized;
422
423 /* Modesetting */
424 struct psb_intel_mode_device mode_dev;
425 bool modeset; /* true if we have done the mode_device setup */
426
427 struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
428 struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
429 uint32_t num_pipe;
430
431 /* OSPM info (Power management base) (TODO: can go ?) */
432 uint32_t ospm_base;
433
434 /* Sizes info */
435 u32 fuse_reg_value;
436 u32 video_device_fuse;
437
438 /* PCI revision ID for B0:D2:F0 */
439 uint8_t platform_rev_id;
440
441 /* gmbus */
442 struct intel_gmbus *gmbus;
443 uint8_t __iomem *gmbus_reg;
444
445 /* Used by SDVO */
446 int crt_ddc_pin;
447 /* FIXME: The mappings should be parsed from bios but for now we can
448 pretend there are no mappings available */
449 struct sdvo_device_mapping sdvo_mappings[2];
450 u32 hotplug_supported_mask;
451 struct drm_property *broadcast_rgb_property;
452 struct drm_property *force_audio_property;
453
454 /* LVDS info */
455 int backlight_duty_cycle; /* restore backlight to this value */
456 bool panel_wants_dither;
457 struct drm_display_mode *panel_fixed_mode;
458 struct drm_display_mode *lfp_lvds_vbt_mode;
459 struct drm_display_mode *sdvo_lvds_vbt_mode;
460
461 struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
462 struct gma_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
463
464 /* Feature bits from the VBIOS */
465 unsigned int int_tv_support:1;
466 unsigned int lvds_dither:1;
467 unsigned int lvds_vbt:1;
468 unsigned int int_crt_support:1;
469 unsigned int lvds_use_ssc:1;
470 int lvds_ssc_freq;
471 bool is_lvds_on;
472 bool is_mipi_on;
473 bool lvds_enabled_in_vbt;
474 u32 mipi_ctrl_display;
475
476 unsigned int core_freq;
477 uint32_t iLVDS_enable;
478
479 /* MID specific */
480 bool use_msi;
481 bool has_gct;
482 struct oaktrail_gct_data gct_data;
483
484 /* Oaktrail HDMI state */
485 struct oaktrail_hdmi_dev *hdmi_priv;
486
487 /* Register state */
488 struct psb_save_area regs;
489
490 /* Hotplug handling */
491 struct work_struct hotplug_work;
492
493 struct psb_intel_opregion opregion;
494
495 /* Watchdog */
496 uint32_t apm_reg;
497 uint16_t apm_base;
498
499 /*
500 * Used for modifying backlight from
501 * xrandr -- consider removing and using HAL instead
502 */
503 struct intel_scu_ipc_dev *scu;
504 struct backlight_device *backlight_device;
505 struct drm_property *backlight_property;
506 bool backlight_enabled;
507 int backlight_level;
508 uint32_t blc_adj1;
509 uint32_t blc_adj2;
510
511 bool dsr_enable;
512 u32 dsr_fb_update;
513 bool dpi_panel_on[3];
514 void *dsi_configs[2];
515 u32 bpp;
516 u32 bpp2;
517
518 u32 pipeconf[3];
519 u32 dspcntr[3];
520
521 bool dplla_96mhz; /* DPLL data from the VBT */
522
523 struct {
524 int rate;
525 int lanes;
526 int preemphasis;
527 int vswing;
528
529 bool initialized;
530 bool support;
531 int bpp;
532 struct edp_power_seq pps;
533 } edp;
534 uint8_t panel_type;
535};
536
537static inline struct drm_psb_private *to_drm_psb_private(struct drm_device *dev)
538{
539 return container_of(dev, struct drm_psb_private, dev);
540}
541
542/* Operations for each board type */
543struct psb_ops {
544 const char *name;
545 int pipes; /* Number of output pipes */
546 int crtcs; /* Number of CRTCs */
547 int sgx_offset; /* Base offset of SGX device */
548 int hdmi_mask; /* Mask of HDMI CRTCs */
549 int lvds_mask; /* Mask of LVDS CRTCs */
550 int sdvo_mask; /* Mask of SDVO CRTCs */
551 int cursor_needs_phys; /* If cursor base reg need physical address */
552
553 /* Sub functions */
554 struct drm_crtc_helper_funcs const *crtc_helper;
555 const struct gma_clock_funcs *clock_funcs;
556
557 /* Setup hooks */
558 int (*chip_setup)(struct drm_device *dev);
559 void (*chip_teardown)(struct drm_device *dev);
560 /* Optional helper caller after modeset */
561 void (*errata)(struct drm_device *dev);
562
563 /* Display management hooks */
564 int (*output_init)(struct drm_device *dev);
565 int (*hotplug)(struct drm_device *dev);
566 void (*hotplug_enable)(struct drm_device *dev, bool on);
567 /* Power management hooks */
568 void (*init_pm)(struct drm_device *dev);
569 int (*save_regs)(struct drm_device *dev);
570 int (*restore_regs)(struct drm_device *dev);
571 void (*save_crtc)(struct drm_crtc *crtc);
572 void (*restore_crtc)(struct drm_crtc *crtc);
573 int (*power_up)(struct drm_device *dev);
574 int (*power_down)(struct drm_device *dev);
575 void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
576 void (*disable_sr)(struct drm_device *dev);
577
578 void (*lvds_bl_power)(struct drm_device *dev, bool on);
579
580 /* Backlight */
581 int (*backlight_init)(struct drm_device *dev);
582 void (*backlight_set)(struct drm_device *dev, int level);
583 int (*backlight_get)(struct drm_device *dev);
584 const char *backlight_name;
585
586 int i2c_bus; /* I2C bus identifier for Moorestown */
587};
588
589/* modesetting */
590extern void psb_modeset_init(struct drm_device *dev);
591extern void psb_modeset_cleanup(struct drm_device *dev);
592
593/* framebuffer */
594struct drm_framebuffer *psb_framebuffer_create(struct drm_device *dev,
595 const struct drm_mode_fb_cmd2 *mode_cmd,
596 struct drm_gem_object *obj);
597
598/* fbdev */
599#if defined(CONFIG_DRM_FBDEV_EMULATION)
600void psb_fbdev_setup(struct drm_psb_private *dev_priv);
601#else
602static inline void psb_fbdev_setup(struct drm_psb_private *dev_priv)
603{ }
604#endif
605
606/* backlight.c */
607int gma_backlight_init(struct drm_device *dev);
608void gma_backlight_exit(struct drm_device *dev);
609void gma_backlight_disable(struct drm_device *dev);
610void gma_backlight_enable(struct drm_device *dev);
611void gma_backlight_set(struct drm_device *dev, int v);
612
613/* oaktrail_crtc.c */
614extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
615
616/* oaktrail_lvds.c */
617extern void oaktrail_lvds_init(struct drm_device *dev,
618 struct psb_intel_mode_device *mode_dev);
619
620/* psb_intel_display.c */
621extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
622
623/* psb_intel_lvds.c */
624extern const struct drm_connector_helper_funcs
625 psb_intel_lvds_connector_helper_funcs;
626extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
627
628/* gem.c */
629extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
630 struct drm_mode_create_dumb *args);
631
632/* psb_device.c */
633extern const struct psb_ops psb_chip_ops;
634
635/* oaktrail_device.c */
636extern const struct psb_ops oaktrail_chip_ops;
637
638/* cdv_device.c */
639extern const struct psb_ops cdv_chip_ops;
640
641/* Utilities */
642static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
643{
644 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
645 return ioread32(dev_priv->vdc_reg + reg);
646}
647
648static inline uint32_t REGISTER_READ_AUX(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->aux_reg + reg);
652}
653
654#define REG_READ(reg) REGISTER_READ(dev, (reg))
655#define REG_READ_AUX(reg) REGISTER_READ_AUX(dev, (reg))
656
657/* Useful for post reads */
658static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
659 uint32_t reg, int aux)
660{
661 uint32_t val;
662
663 if (aux)
664 val = REG_READ_AUX(reg);
665 else
666 val = REG_READ(reg);
667
668 return val;
669}
670
671#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
672
673static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
674 uint32_t val)
675{
676 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
677 iowrite32((val), dev_priv->vdc_reg + (reg));
678}
679
680static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
681 uint32_t val)
682{
683 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
684 iowrite32((val), dev_priv->aux_reg + (reg));
685}
686
687#define REG_WRITE(reg, val) REGISTER_WRITE(dev, (reg), (val))
688#define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val))
689
690static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
691 uint32_t val, int aux)
692{
693 if (aux)
694 REG_WRITE_AUX(reg, val);
695 else
696 REG_WRITE(reg, val);
697}
698
699#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
700
701static inline void REGISTER_WRITE16(struct drm_device *dev,
702 uint32_t reg, uint32_t val)
703{
704 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
705 iowrite16((val), dev_priv->vdc_reg + (reg));
706}
707
708#define REG_WRITE16(reg, val) REGISTER_WRITE16(dev, (reg), (val))
709
710static inline void REGISTER_WRITE8(struct drm_device *dev,
711 uint32_t reg, uint32_t val)
712{
713 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
714 iowrite8((val), dev_priv->vdc_reg + (reg));
715}
716
717#define REG_WRITE8(reg, val) REGISTER_WRITE8(dev, (reg), (val))
718
719#define PSB_WVDC32(_val, _offs) iowrite32(_val, dev_priv->vdc_reg + (_offs))
720#define PSB_RVDC32(_offs) ioread32(dev_priv->vdc_reg + (_offs))
721
722#define PSB_RSGX32(_offs) ioread32(dev_priv->sgx_reg + (_offs))
723#define PSB_WSGX32(_val, _offs) iowrite32(_val, dev_priv->sgx_reg + (_offs))
724
725#define PSB_WMSVDX32(_val, _offs) iowrite32(_val, dev_priv->msvdx_reg + (_offs))
726#define PSB_RMSVDX32(_offs) ioread32(dev_priv->msvdx_reg + (_offs))
727
728#endif