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#define PSB_LID_DELAY (HZ / 10)
166
167#define PSB_MAX_BRIGHTNESS 100
168
169#define PSB_PWR_STATE_ON 1
170#define PSB_PWR_STATE_OFF 2
171
172#define PSB_PMPOLICY_NOPM 0
173#define PSB_PMPOLICY_CLOCKGATING 1
174#define PSB_PMPOLICY_POWERDOWN 2
175
176#define PSB_PMSTATE_POWERUP 0
177#define PSB_PMSTATE_CLOCKGATED 1
178#define PSB_PMSTATE_POWERDOWN 2
179#define PSB_PCIx_MSI_ADDR_LOC 0x94
180#define PSB_PCIx_MSI_DATA_LOC 0x98
181
182/* Medfield crystal settings */
183#define KSEL_CRYSTAL_19 1
184#define KSEL_BYPASS_19 5
185#define KSEL_BYPASS_25 6
186#define KSEL_BYPASS_83_100 7
187
188struct opregion_header;
189struct opregion_acpi;
190struct opregion_swsci;
191struct opregion_asle;
192
193struct psb_intel_opregion {
194 struct opregion_header *header;
195 struct opregion_acpi *acpi;
196 struct opregion_swsci *swsci;
197 struct opregion_asle *asle;
198 void *vbt;
199 u32 __iomem *lid_state;
200 struct work_struct asle_work;
201};
202
203struct sdvo_device_mapping {
204 u8 initialized;
205 u8 dvo_port;
206 u8 slave_addr;
207 u8 dvo_wiring;
208 u8 i2c_pin;
209 u8 i2c_speed;
210 u8 ddc_pin;
211};
212
213struct intel_gmbus {
214 struct i2c_adapter adapter;
215 struct i2c_adapter *force_bit;
216 u32 reg0;
217};
218
219/* Register offset maps */
220struct psb_offset {
221 u32 fp0;
222 u32 fp1;
223 u32 cntr;
224 u32 conf;
225 u32 src;
226 u32 dpll;
227 u32 dpll_md;
228 u32 htotal;
229 u32 hblank;
230 u32 hsync;
231 u32 vtotal;
232 u32 vblank;
233 u32 vsync;
234 u32 stride;
235 u32 size;
236 u32 pos;
237 u32 surf;
238 u32 addr;
239 u32 base;
240 u32 status;
241 u32 linoff;
242 u32 tileoff;
243 u32 palette;
244};
245
246/*
247 * Register save state. This is used to hold the context when the
248 * device is powered off. In the case of Oaktrail this can (but does not
249 * yet) include screen blank. Operations occuring during the save
250 * update the register cache instead.
251 */
252
253/* Common status for pipes */
254struct psb_pipe {
255 u32 fp0;
256 u32 fp1;
257 u32 cntr;
258 u32 conf;
259 u32 src;
260 u32 dpll;
261 u32 dpll_md;
262 u32 htotal;
263 u32 hblank;
264 u32 hsync;
265 u32 vtotal;
266 u32 vblank;
267 u32 vsync;
268 u32 stride;
269 u32 size;
270 u32 pos;
271 u32 base;
272 u32 surf;
273 u32 addr;
274 u32 status;
275 u32 linoff;
276 u32 tileoff;
277 u32 palette[256];
278};
279
280struct psb_state {
281 uint32_t saveVCLK_DIVISOR_VGA0;
282 uint32_t saveVCLK_DIVISOR_VGA1;
283 uint32_t saveVCLK_POST_DIV;
284 uint32_t saveVGACNTRL;
285 uint32_t saveADPA;
286 uint32_t saveLVDS;
287 uint32_t saveDVOA;
288 uint32_t saveDVOB;
289 uint32_t saveDVOC;
290 uint32_t savePP_ON;
291 uint32_t savePP_OFF;
292 uint32_t savePP_CONTROL;
293 uint32_t savePP_CYCLE;
294 uint32_t savePFIT_CONTROL;
295 uint32_t saveCLOCKGATING;
296 uint32_t saveDSPARB;
297 uint32_t savePFIT_AUTO_RATIOS;
298 uint32_t savePFIT_PGM_RATIOS;
299 uint32_t savePP_ON_DELAYS;
300 uint32_t savePP_OFF_DELAYS;
301 uint32_t savePP_DIVISOR;
302 uint32_t saveBCLRPAT_A;
303 uint32_t saveBCLRPAT_B;
304 uint32_t savePERF_MODE;
305 uint32_t saveDSPFW1;
306 uint32_t saveDSPFW2;
307 uint32_t saveDSPFW3;
308 uint32_t saveDSPFW4;
309 uint32_t saveDSPFW5;
310 uint32_t saveDSPFW6;
311 uint32_t saveCHICKENBIT;
312 uint32_t saveDSPACURSOR_CTRL;
313 uint32_t saveDSPBCURSOR_CTRL;
314 uint32_t saveDSPACURSOR_BASE;
315 uint32_t saveDSPBCURSOR_BASE;
316 uint32_t saveDSPACURSOR_POS;
317 uint32_t saveDSPBCURSOR_POS;
318 uint32_t saveOV_OVADD;
319 uint32_t saveOV_OGAMC0;
320 uint32_t saveOV_OGAMC1;
321 uint32_t saveOV_OGAMC2;
322 uint32_t saveOV_OGAMC3;
323 uint32_t saveOV_OGAMC4;
324 uint32_t saveOV_OGAMC5;
325 uint32_t saveOVC_OVADD;
326 uint32_t saveOVC_OGAMC0;
327 uint32_t saveOVC_OGAMC1;
328 uint32_t saveOVC_OGAMC2;
329 uint32_t saveOVC_OGAMC3;
330 uint32_t saveOVC_OGAMC4;
331 uint32_t saveOVC_OGAMC5;
332
333 /* DPST register save */
334 uint32_t saveHISTOGRAM_INT_CONTROL_REG;
335 uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
336 uint32_t savePWM_CONTROL_LOGIC;
337};
338
339struct cdv_state {
340 uint32_t saveDSPCLK_GATE_D;
341 uint32_t saveRAMCLK_GATE_D;
342 uint32_t saveDSPARB;
343 uint32_t saveDSPFW[6];
344 uint32_t saveADPA;
345 uint32_t savePP_CONTROL;
346 uint32_t savePFIT_PGM_RATIOS;
347 uint32_t saveLVDS;
348 uint32_t savePFIT_CONTROL;
349 uint32_t savePP_ON_DELAYS;
350 uint32_t savePP_OFF_DELAYS;
351 uint32_t savePP_CYCLE;
352 uint32_t saveVGACNTRL;
353 uint32_t saveIER;
354 uint32_t saveIMR;
355 u8 saveLBB;
356};
357
358struct psb_save_area {
359 struct psb_pipe pipe[3];
360 uint32_t saveBSM;
361 uint32_t saveVBT;
362 union {
363 struct psb_state psb;
364 struct cdv_state cdv;
365 };
366 uint32_t saveBLC_PWM_CTL2;
367 uint32_t saveBLC_PWM_CTL;
368};
369
370struct psb_ops;
371
372#define PSB_NUM_PIPE 3
373
374struct intel_scu_ipc_dev;
375
376struct drm_psb_private {
377 struct drm_device dev;
378
379 struct pci_dev *aux_pdev; /* Currently only used by mrst */
380 struct pci_dev *lpc_pdev; /* Currently only used by mrst */
381 const struct psb_ops *ops;
382 const struct psb_offset *regmap;
383
384 struct child_device_config *child_dev;
385 int child_dev_num;
386
387 struct psb_gtt gtt;
388
389 /* GTT Memory manager */
390 struct psb_gtt_mm *gtt_mm;
391 struct page *scratch_page;
392 u32 __iomem *gtt_map;
393 uint32_t stolen_base;
394 u8 __iomem *vram_addr;
395 unsigned long vram_stolen_size;
396 u16 gmch_ctrl; /* Saved GTT setup */
397 u32 pge_ctl;
398
399 struct mutex gtt_mutex;
400 struct resource *gtt_mem; /* Our PCI resource */
401
402 struct mutex mmap_mutex;
403
404 struct psb_mmu_driver *mmu;
405 struct psb_mmu_pd *pf_pd;
406
407 /* Register base */
408 uint8_t __iomem *sgx_reg;
409 uint8_t __iomem *vdc_reg;
410 uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
411 uint16_t lpc_gpio_base;
412 uint32_t gatt_free_offset;
413
414 /* Fencing / irq */
415 uint32_t vdc_irq_mask;
416 uint32_t pipestat[PSB_NUM_PIPE];
417
418 spinlock_t irqmask_lock;
419 bool irq_enabled;
420
421 /* Power */
422 bool pm_initialized;
423
424 /* Modesetting */
425 struct psb_intel_mode_device mode_dev;
426 bool modeset; /* true if we have done the mode_device setup */
427
428 struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
429 struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
430 uint32_t num_pipe;
431
432 /* OSPM info (Power management base) (TODO: can go ?) */
433 uint32_t ospm_base;
434
435 /* Sizes info */
436 u32 fuse_reg_value;
437 u32 video_device_fuse;
438
439 /* PCI revision ID for B0:D2:F0 */
440 uint8_t platform_rev_id;
441
442 /* gmbus */
443 struct intel_gmbus *gmbus;
444 uint8_t __iomem *gmbus_reg;
445
446 /* Used by SDVO */
447 int crt_ddc_pin;
448 /* FIXME: The mappings should be parsed from bios but for now we can
449 pretend there are no mappings available */
450 struct sdvo_device_mapping sdvo_mappings[2];
451 u32 hotplug_supported_mask;
452 struct drm_property *broadcast_rgb_property;
453 struct drm_property *force_audio_property;
454
455 /* LVDS info */
456 int backlight_duty_cycle; /* restore backlight to this value */
457 bool panel_wants_dither;
458 struct drm_display_mode *panel_fixed_mode;
459 struct drm_display_mode *lfp_lvds_vbt_mode;
460 struct drm_display_mode *sdvo_lvds_vbt_mode;
461
462 struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
463 struct gma_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
464
465 /* Feature bits from the VBIOS */
466 unsigned int int_tv_support:1;
467 unsigned int lvds_dither:1;
468 unsigned int lvds_vbt:1;
469 unsigned int int_crt_support:1;
470 unsigned int lvds_use_ssc:1;
471 int lvds_ssc_freq;
472 bool is_lvds_on;
473 bool is_mipi_on;
474 bool lvds_enabled_in_vbt;
475 u32 mipi_ctrl_display;
476
477 unsigned int core_freq;
478 uint32_t iLVDS_enable;
479
480 /* MID specific */
481 bool use_msi;
482 bool has_gct;
483 struct oaktrail_gct_data gct_data;
484
485 /* Oaktrail HDMI state */
486 struct oaktrail_hdmi_dev *hdmi_priv;
487
488 /* Register state */
489 struct psb_save_area regs;
490
491 /* Hotplug handling */
492 struct work_struct hotplug_work;
493
494 /* LID-Switch */
495 spinlock_t lid_lock;
496 struct timer_list lid_timer;
497 struct psb_intel_opregion opregion;
498 u32 lid_last_state;
499
500 /* Watchdog */
501 uint32_t apm_reg;
502 uint16_t apm_base;
503
504 /*
505 * Used for modifying backlight from
506 * xrandr -- consider removing and using HAL instead
507 */
508 struct intel_scu_ipc_dev *scu;
509 struct backlight_device *backlight_device;
510 struct drm_property *backlight_property;
511 bool backlight_enabled;
512 int backlight_level;
513 uint32_t blc_adj1;
514 uint32_t blc_adj2;
515
516 bool dsr_enable;
517 u32 dsr_fb_update;
518 bool dpi_panel_on[3];
519 void *dsi_configs[2];
520 u32 bpp;
521 u32 bpp2;
522
523 u32 pipeconf[3];
524 u32 dspcntr[3];
525
526 bool dplla_96mhz; /* DPLL data from the VBT */
527
528 struct {
529 int rate;
530 int lanes;
531 int preemphasis;
532 int vswing;
533
534 bool initialized;
535 bool support;
536 int bpp;
537 struct edp_power_seq pps;
538 } edp;
539 uint8_t panel_type;
540};
541
542static inline struct drm_psb_private *to_drm_psb_private(struct drm_device *dev)
543{
544 return container_of(dev, struct drm_psb_private, dev);
545}
546
547/* Operations for each board type */
548struct psb_ops {
549 const char *name;
550 int pipes; /* Number of output pipes */
551 int crtcs; /* Number of CRTCs */
552 int sgx_offset; /* Base offset of SGX device */
553 int hdmi_mask; /* Mask of HDMI CRTCs */
554 int lvds_mask; /* Mask of LVDS CRTCs */
555 int sdvo_mask; /* Mask of SDVO CRTCs */
556 int cursor_needs_phys; /* If cursor base reg need physical address */
557
558 /* Sub functions */
559 struct drm_crtc_helper_funcs const *crtc_helper;
560 const struct gma_clock_funcs *clock_funcs;
561
562 /* Setup hooks */
563 int (*chip_setup)(struct drm_device *dev);
564 void (*chip_teardown)(struct drm_device *dev);
565 /* Optional helper caller after modeset */
566 void (*errata)(struct drm_device *dev);
567
568 /* Display management hooks */
569 int (*output_init)(struct drm_device *dev);
570 int (*hotplug)(struct drm_device *dev);
571 void (*hotplug_enable)(struct drm_device *dev, bool on);
572 /* Power management hooks */
573 void (*init_pm)(struct drm_device *dev);
574 int (*save_regs)(struct drm_device *dev);
575 int (*restore_regs)(struct drm_device *dev);
576 void (*save_crtc)(struct drm_crtc *crtc);
577 void (*restore_crtc)(struct drm_crtc *crtc);
578 int (*power_up)(struct drm_device *dev);
579 int (*power_down)(struct drm_device *dev);
580 void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
581 void (*disable_sr)(struct drm_device *dev);
582
583 void (*lvds_bl_power)(struct drm_device *dev, bool on);
584
585 /* Backlight */
586 int (*backlight_init)(struct drm_device *dev);
587 void (*backlight_set)(struct drm_device *dev, int level);
588 int (*backlight_get)(struct drm_device *dev);
589 const char *backlight_name;
590
591 int i2c_bus; /* I2C bus identifier for Moorestown */
592};
593
594/* psb_lid.c */
595extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
596extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
597
598/* modesetting */
599extern void psb_modeset_init(struct drm_device *dev);
600extern void psb_modeset_cleanup(struct drm_device *dev);
601
602/* framebuffer */
603struct drm_framebuffer *psb_framebuffer_create(struct drm_device *dev,
604 const struct drm_mode_fb_cmd2 *mode_cmd,
605 struct drm_gem_object *obj);
606
607/* fbdev */
608#if defined(CONFIG_DRM_FBDEV_EMULATION)
609void psb_fbdev_setup(struct drm_psb_private *dev_priv);
610#else
611static inline void psb_fbdev_setup(struct drm_psb_private *dev_priv)
612{ }
613#endif
614
615/* backlight.c */
616int gma_backlight_init(struct drm_device *dev);
617void gma_backlight_exit(struct drm_device *dev);
618void gma_backlight_disable(struct drm_device *dev);
619void gma_backlight_enable(struct drm_device *dev);
620void gma_backlight_set(struct drm_device *dev, int v);
621
622/* oaktrail_crtc.c */
623extern const struct drm_crtc_helper_funcs oaktrail_helper_funcs;
624
625/* oaktrail_lvds.c */
626extern void oaktrail_lvds_init(struct drm_device *dev,
627 struct psb_intel_mode_device *mode_dev);
628
629/* psb_intel_display.c */
630extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
631
632/* psb_intel_lvds.c */
633extern const struct drm_connector_helper_funcs
634 psb_intel_lvds_connector_helper_funcs;
635extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
636
637/* gem.c */
638extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
639 struct drm_mode_create_dumb *args);
640
641/* psb_device.c */
642extern const struct psb_ops psb_chip_ops;
643
644/* oaktrail_device.c */
645extern const struct psb_ops oaktrail_chip_ops;
646
647/* cdv_device.c */
648extern const struct psb_ops cdv_chip_ops;
649
650/* Utilities */
651static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
652{
653 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
654 return ioread32(dev_priv->vdc_reg + reg);
655}
656
657static inline uint32_t REGISTER_READ_AUX(struct drm_device *dev, uint32_t reg)
658{
659 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
660 return ioread32(dev_priv->aux_reg + reg);
661}
662
663#define REG_READ(reg) REGISTER_READ(dev, (reg))
664#define REG_READ_AUX(reg) REGISTER_READ_AUX(dev, (reg))
665
666/* Useful for post reads */
667static inline uint32_t REGISTER_READ_WITH_AUX(struct drm_device *dev,
668 uint32_t reg, int aux)
669{
670 uint32_t val;
671
672 if (aux)
673 val = REG_READ_AUX(reg);
674 else
675 val = REG_READ(reg);
676
677 return val;
678}
679
680#define REG_READ_WITH_AUX(reg, aux) REGISTER_READ_WITH_AUX(dev, (reg), (aux))
681
682static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
683 uint32_t val)
684{
685 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
686 iowrite32((val), dev_priv->vdc_reg + (reg));
687}
688
689static inline void REGISTER_WRITE_AUX(struct drm_device *dev, uint32_t reg,
690 uint32_t val)
691{
692 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
693 iowrite32((val), dev_priv->aux_reg + (reg));
694}
695
696#define REG_WRITE(reg, val) REGISTER_WRITE(dev, (reg), (val))
697#define REG_WRITE_AUX(reg, val) REGISTER_WRITE_AUX(dev, (reg), (val))
698
699static inline void REGISTER_WRITE_WITH_AUX(struct drm_device *dev, uint32_t reg,
700 uint32_t val, int aux)
701{
702 if (aux)
703 REG_WRITE_AUX(reg, val);
704 else
705 REG_WRITE(reg, val);
706}
707
708#define REG_WRITE_WITH_AUX(reg, val, aux) REGISTER_WRITE_WITH_AUX(dev, (reg), (val), (aux))
709
710static inline void REGISTER_WRITE16(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 iowrite16((val), dev_priv->vdc_reg + (reg));
715}
716
717#define REG_WRITE16(reg, val) REGISTER_WRITE16(dev, (reg), (val))
718
719static inline void REGISTER_WRITE8(struct drm_device *dev,
720 uint32_t reg, uint32_t val)
721{
722 struct drm_psb_private *dev_priv = to_drm_psb_private(dev);
723 iowrite8((val), dev_priv->vdc_reg + (reg));
724}
725
726#define REG_WRITE8(reg, val) REGISTER_WRITE8(dev, (reg), (val))
727
728#define PSB_WVDC32(_val, _offs) iowrite32(_val, dev_priv->vdc_reg + (_offs))
729#define PSB_RVDC32(_offs) ioread32(dev_priv->vdc_reg + (_offs))
730
731#define PSB_RSGX32(_offs) ioread32(dev_priv->sgx_reg + (_offs))
732#define PSB_WSGX32(_val, _offs) iowrite32(_val, dev_priv->sgx_reg + (_offs))
733
734#define PSB_WMSVDX32(_val, _offs) iowrite32(_val, dev_priv->msvdx_reg + (_offs))
735#define PSB_RMSVDX32(_offs) ioread32(dev_priv->msvdx_reg + (_offs))
736
737#endif
738

source code of linux/drivers/gpu/drm/gma500/psb_drv.h