Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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
30#define DRIVER_MAJOR 1
31#define DRIVER_MINOR 0
32#define DRIVER_PATCHLEVEL 0
33
34/* Append new drm mode definition here, align with libdrm definition */
35#define DRM_MODE_SCALE_NO_SCALE 2
36
37#define IS_PSB(drm) ((to_pci_dev((drm)->dev)->device & 0xfffe) == 0x8108)
38#define IS_MRST(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x4100)
39#define IS_CDV(drm) ((to_pci_dev((drm)->dev)->device & 0xfff0) == 0x0be0)
40
41/* Hardware offsets */
42#define PSB_VDC_OFFSET 0x00000000
43#define PSB_VDC_SIZE 0x000080000
44#define MRST_MMIO_SIZE 0x0000C0000
45#define PSB_SGX_SIZE 0x8000
46#define PSB_SGX_OFFSET 0x00040000
47#define MRST_SGX_OFFSET 0x00080000
48
49/* PCI resource identifiers */
50#define PSB_MMIO_RESOURCE 0
51#define PSB_AUX_RESOURCE 0
52#define PSB_GATT_RESOURCE 2
53#define PSB_GTT_RESOURCE 3
54
55/* PCI configuration */
56#define PSB_GMCH_CTRL 0x52
57#define PSB_BSM 0x5C
58#define _PSB_GMCH_ENABLED 0x4
59#define PSB_PGETBL_CTL 0x2020
60#define _PSB_PGETBL_ENABLED 0x00000001
61#define PSB_SGX_2D_SLAVE_PORT 0x4000
62#define PSB_LPC_GBA 0x44
63
64/* TODO: To get rid of */
65#define PSB_TT_PRIV0_LIMIT (256*1024*1024)
66#define PSB_TT_PRIV0_PLIMIT (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
67
68/* SGX side MMU definitions (these can probably go) */
69
70/* Flags for external memory type field */
71#define PSB_MMU_CACHED_MEMORY 0x0001 /* Bind to MMU only */
72#define PSB_MMU_RO_MEMORY 0x0002 /* MMU RO memory */
73#define PSB_MMU_WO_MEMORY 0x0004 /* MMU WO memory */
74
75/* PTE's and PDE's */
76#define PSB_PDE_MASK 0x003FFFFF
77#define PSB_PDE_SHIFT 22
78#define PSB_PTE_SHIFT 12
79
80/* Cache control */
81#define PSB_PTE_VALID 0x0001 /* PTE / PDE valid */
82#define PSB_PTE_WO 0x0002 /* Write only */
83#define PSB_PTE_RO 0x0004 /* Read only */
84#define PSB_PTE_CACHED 0x0008 /* CPU cache coherent */
85
86/* VDC registers and bits */
87#define PSB_MSVDX_CLOCKGATING 0x2064
88#define PSB_TOPAZ_CLOCKGATING 0x2068
89#define PSB_HWSTAM 0x2098
90#define PSB_INSTPM 0x20C0
91#define PSB_INT_IDENTITY_R 0x20A4
92#define _PSB_IRQ_ASLE (1<<0)
93#define _MDFLD_PIPEC_EVENT_FLAG (1<<2)
94#define _MDFLD_PIPEC_VBLANK_FLAG (1<<3)
95#define _PSB_DPST_PIPEB_FLAG (1<<4)
96#define _MDFLD_PIPEB_EVENT_FLAG (1<<4)
97#define _PSB_VSYNC_PIPEB_FLAG (1<<5)
98#define _PSB_DPST_PIPEA_FLAG (1<<6)
99#define _PSB_PIPEA_EVENT_FLAG (1<<6)
100#define _PSB_VSYNC_PIPEA_FLAG (1<<7)
101#define _PSB_IRQ_DISP_HOTSYNC (1<<17)
102#define _PSB_IRQ_SGX_FLAG (1<<18)
103#define _PSB_IRQ_MSVDX_FLAG (1<<19)
104#define _LNC_IRQ_TOPAZ_FLAG (1<<20)
105
106#define _PSB_PIPE_EVENT_FLAG (_PSB_VSYNC_PIPEA_FLAG | \
107 _PSB_VSYNC_PIPEB_FLAG)
108
109#define PSB_INT_IDENTITY_R 0x20A4
110#define PSB_INT_MASK_R 0x20A8
111#define PSB_INT_ENABLE_R 0x20A0
112
113#define _PSB_MMU_ER_MASK 0x0001FF00
114#define _PSB_MMU_ER_HOST (1 << 16)
115#define GPIOA 0x5010
116#define GPIOB 0x5014
117#define GPIOC 0x5018
118#define GPIOD 0x501c
119#define GPIOE 0x5020
120#define GPIOF 0x5024
121#define GPIOG 0x5028
122#define GPIOH 0x502c
123#define GPIO_CLOCK_DIR_MASK (1 << 0)
124#define GPIO_CLOCK_DIR_IN (0 << 1)
125#define GPIO_CLOCK_DIR_OUT (1 << 1)
126#define GPIO_CLOCK_VAL_MASK (1 << 2)
127#define GPIO_CLOCK_VAL_OUT (1 << 3)
128#define GPIO_CLOCK_VAL_IN (1 << 4)
129#define GPIO_CLOCK_PULLUP_DISABLE (1 << 5)
130#define GPIO_DATA_DIR_MASK (1 << 8)
131#define GPIO_DATA_DIR_IN (0 << 9)
132#define GPIO_DATA_DIR_OUT (1 << 9)
133#define GPIO_DATA_VAL_MASK (1 << 10)
134#define GPIO_DATA_VAL_OUT (1 << 11)
135#define GPIO_DATA_VAL_IN (1 << 12)
136#define GPIO_DATA_PULLUP_DISABLE (1 << 13)
137
138#define VCLK_DIVISOR_VGA0 0x6000
139#define VCLK_DIVISOR_VGA1 0x6004
140#define VCLK_POST_DIV 0x6010
141
142#define PSB_COMM_2D (PSB_ENGINE_2D << 4)
143#define PSB_COMM_3D (PSB_ENGINE_3D << 4)
144#define PSB_COMM_TA (PSB_ENGINE_TA << 4)
145#define PSB_COMM_HP (PSB_ENGINE_HP << 4)
146#define PSB_COMM_USER_IRQ (1024 >> 2)
147#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
148#define PSB_COMM_FW (2048 >> 2)
149
150#define PSB_UIRQ_VISTEST 1
151#define PSB_UIRQ_OOM_REPLY 2
152#define PSB_UIRQ_FIRE_TA_REPLY 3
153#define PSB_UIRQ_FIRE_RASTER_REPLY 4
154
155#define PSB_2D_SIZE (256*1024*1024)
156#define PSB_MAX_RELOC_PAGES 1024
157
158#define PSB_LOW_REG_OFFS 0x0204
159#define PSB_HIGH_REG_OFFS 0x0600
160
161#define PSB_NUM_VBLANKS 2
162
163#define PSB_WATCHDOG_DELAY (HZ * 2)
164
165#define PSB_MAX_BRIGHTNESS 100
166
167#define PSB_PWR_STATE_ON 1
168#define PSB_PWR_STATE_OFF 2
169
170#define PSB_PMPOLICY_NOPM 0
171#define PSB_PMPOLICY_CLOCKGATING 1
172#define PSB_PMPOLICY_POWERDOWN 2
173
174#define PSB_PMSTATE_POWERUP 0
175#define PSB_PMSTATE_CLOCKGATED 1
176#define PSB_PMSTATE_POWERDOWN 2
177#define PSB_PCIx_MSI_ADDR_LOC 0x94
178#define PSB_PCIx_MSI_DATA_LOC 0x98
179
180/* Medfield crystal settings */
181#define KSEL_CRYSTAL_19 1
182#define KSEL_BYPASS_19 5
183#define KSEL_BYPASS_25 6
184#define KSEL_BYPASS_83_100 7
185
186struct drm_fb_helper;
187struct drm_fb_helper_surface_size;
188
189struct opregion_header;
190struct opregion_acpi;
191struct opregion_swsci;
192struct opregion_asle;
193
194struct psb_intel_opregion {
195 struct opregion_header *header;
196 struct opregion_acpi *acpi;
197 struct opregion_swsci *swsci;
198 struct opregion_asle *asle;
199 void *vbt;
200 u32 __iomem *lid_state;
201 struct work_struct asle_work;
202};
203
204struct sdvo_device_mapping {
205 u8 initialized;
206 u8 dvo_port;
207 u8 target_addr;
208 u8 dvo_wiring;
209 u8 i2c_pin;
210 u8 i2c_speed;
211 u8 ddc_pin;
212};
213
214struct intel_gmbus {
215 struct i2c_adapter adapter;
216 struct i2c_adapter *force_bit;
217 u32 reg0;
218};
219
220/* Register offset maps */
221struct psb_offset {
222 u32 fp0;
223 u32 fp1;
224 u32 cntr;
225 u32 conf;
226 u32 src;
227 u32 dpll;
228 u32 dpll_md;
229 u32 htotal;
230 u32 hblank;
231 u32 hsync;
232 u32 vtotal;
233 u32 vblank;
234 u32 vsync;
235 u32 stride;
236 u32 size;
237 u32 pos;
238 u32 surf;
239 u32 addr;
240 u32 base;
241 u32 status;
242 u32 linoff;
243 u32 tileoff;
244 u32 palette;
245};
246
247/*
248 * Register save state. This is used to hold the context when the
249 * device is powered off. In the case of Oaktrail this can (but does not
250 * yet) include screen blank. Operations occuring during the save
251 * update the register cache instead.
252 */
253
254/* Common status for pipes */
255struct psb_pipe {
256 u32 fp0;
257 u32 fp1;
258 u32 cntr;
259 u32 conf;
260 u32 src;
261 u32 dpll;
262 u32 dpll_md;
263 u32 htotal;
264 u32 hblank;
265 u32 hsync;
266 u32 vtotal;
267 u32 vblank;
268 u32 vsync;
269 u32 stride;
270 u32 size;
271 u32 pos;
272 u32 base;
273 u32 surf;
274 u32 addr;
275 u32 status;
276 u32 linoff;
277 u32 tileoff;
278 u32 palette[256];
279};
280
281struct psb_state {
282 uint32_t saveVCLK_DIVISOR_VGA0;
283 uint32_t saveVCLK_DIVISOR_VGA1;
284 uint32_t saveVCLK_POST_DIV;
285 uint32_t saveVGACNTRL;
286 uint32_t saveADPA;
287 uint32_t saveLVDS;
288 uint32_t saveDVOA;
289 uint32_t saveDVOB;
290 uint32_t saveDVOC;
291 uint32_t savePP_ON;
292 uint32_t savePP_OFF;
293 uint32_t savePP_CONTROL;
294 uint32_t savePP_CYCLE;
295 uint32_t savePFIT_CONTROL;
296 uint32_t saveCLOCKGATING;
297 uint32_t saveDSPARB;
298 uint32_t savePFIT_AUTO_RATIOS;
299 uint32_t savePFIT_PGM_RATIOS;
300 uint32_t savePP_ON_DELAYS;
301 uint32_t savePP_OFF_DELAYS;
302 uint32_t savePP_DIVISOR;
303 uint32_t saveBCLRPAT_A;
304 uint32_t saveBCLRPAT_B;
305 uint32_t savePERF_MODE;
306 uint32_t saveDSPFW1;
307 uint32_t saveDSPFW2;
308 uint32_t saveDSPFW3;
309 uint32_t saveDSPFW4;
310 uint32_t saveDSPFW5;
311 uint32_t saveDSPFW6;
312 uint32_t saveCHICKENBIT;
313 uint32_t saveDSPACURSOR_CTRL;
314 uint32_t saveDSPBCURSOR_CTRL;
315 uint32_t saveDSPACURSOR_BASE;
316 uint32_t saveDSPBCURSOR_BASE;
317 uint32_t saveDSPACURSOR_POS;
318 uint32_t saveDSPBCURSOR_POS;
319 uint32_t saveOV_OVADD;
320 uint32_t saveOV_OGAMC0;
321 uint32_t saveOV_OGAMC1;
322 uint32_t saveOV_OGAMC2;
323 uint32_t saveOV_OGAMC3;
324 uint32_t saveOV_OGAMC4;
325 uint32_t saveOV_OGAMC5;
326 uint32_t saveOVC_OVADD;
327 uint32_t saveOVC_OGAMC0;
328 uint32_t saveOVC_OGAMC1;
329 uint32_t saveOVC_OGAMC2;
330 uint32_t saveOVC_OGAMC3;
331 uint32_t saveOVC_OGAMC4;
332 uint32_t saveOVC_OGAMC5;
333
334 /* DPST register save */
335 uint32_t saveHISTOGRAM_INT_CONTROL_REG;
336 uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
337 uint32_t savePWM_CONTROL_LOGIC;
338};
339
340struct cdv_state {
341 uint32_t saveDSPCLK_GATE_D;
342 uint32_t saveRAMCLK_GATE_D;
343 uint32_t saveDSPARB;
344 uint32_t saveDSPFW[6];
345 uint32_t saveADPA;
346 uint32_t savePP_CONTROL;
347 uint32_t savePFIT_PGM_RATIOS;
348 uint32_t saveLVDS;
349 uint32_t savePFIT_CONTROL;
350 uint32_t savePP_ON_DELAYS;
351 uint32_t savePP_OFF_DELAYS;
352 uint32_t savePP_CYCLE;
353 uint32_t saveVGACNTRL;
354 uint32_t saveIER;
355 uint32_t saveIMR;
356 u8 saveLBB;
357};
358
359struct psb_save_area {
360 struct psb_pipe pipe[3];
361 uint32_t saveBSM;
362 uint32_t saveVBT;
363 union {
364 struct psb_state psb;
365 struct cdv_state cdv;
366 };
367 uint32_t saveBLC_PWM_CTL2;
368 uint32_t saveBLC_PWM_CTL;
369};
370
371struct psb_ops;
372
373#define PSB_NUM_PIPE 3
374
375struct intel_scu_ipc_dev;
376
377struct drm_psb_private {
378 struct drm_device dev;
379
380 struct pci_dev *aux_pdev; /* Currently only used by mrst */
381 struct pci_dev *lpc_pdev; /* Currently only used by mrst */
382 const struct psb_ops *ops;
383 const struct psb_offset *regmap;
384
385 struct child_device_config *child_dev;
386 int child_dev_num;
387
388 struct psb_gtt gtt;
389
390 /* GTT Memory manager */
391 struct psb_gtt_mm *gtt_mm;
392 struct page *scratch_page;
393 u32 __iomem *gtt_map;
394 uint32_t stolen_base;
395 u8 __iomem *vram_addr;
396 unsigned long vram_stolen_size;
397 u16 gmch_ctrl; /* Saved GTT setup */
398 u32 pge_ctl;
399
400 struct mutex gtt_mutex;
401 struct resource *gtt_mem; /* Our PCI resource */
402
403 struct mutex mmap_mutex;
404
405 struct psb_mmu_driver *mmu;
406 struct psb_mmu_pd *pf_pd;
407
408 /* Register base */
409 uint8_t __iomem *sgx_reg;
410 uint8_t __iomem *vdc_reg;
411 uint8_t __iomem *aux_reg; /* Auxillary vdc pipe regs */
412 uint16_t lpc_gpio_base;
413 uint32_t gatt_free_offset;
414
415 /* Fencing / irq */
416 uint32_t vdc_irq_mask;
417 uint32_t pipestat[PSB_NUM_PIPE];
418
419 spinlock_t irqmask_lock;
420 bool irq_enabled;
421
422 /* Power */
423 bool pm_initialized;
424
425 /* Modesetting */
426 struct psb_intel_mode_device mode_dev;
427 bool modeset; /* true if we have done the mode_device setup */
428
429 struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
430 struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
431 uint32_t num_pipe;
432
433 /* OSPM info (Power management base) (TODO: can go ?) */
434 uint32_t ospm_base;
435
436 /* Sizes info */
437 u32 fuse_reg_value;
438 u32 video_device_fuse;
439
440 /* PCI revision ID for B0:D2:F0 */
441 uint8_t platform_rev_id;
442
443 /* gmbus */
444 struct intel_gmbus *gmbus;
445 uint8_t __iomem *gmbus_reg;
446
447 /* Used by SDVO */
448 int crt_ddc_pin;
449 /* FIXME: The mappings should be parsed from bios but for now we can
450 pretend there are no mappings available */
451 struct sdvo_device_mapping sdvo_mappings[2];
452 u32 hotplug_supported_mask;
453 struct drm_property *broadcast_rgb_property;
454 struct drm_property *force_audio_property;
455
456 /* LVDS info */
457 int backlight_duty_cycle; /* restore backlight to this value */
458 bool panel_wants_dither;
459 struct drm_display_mode *panel_fixed_mode;
460 struct drm_display_mode *lfp_lvds_vbt_mode;
461 struct drm_display_mode *sdvo_lvds_vbt_mode;
462
463 struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
464 struct gma_i2c_chan *lvds_i2c_bus; /* FIXME: Remove this? */
465
466 /* Feature bits from the VBIOS */
467 unsigned int int_tv_support:1;
468 unsigned int lvds_dither:1;
469 unsigned int lvds_vbt:1;
470 unsigned int int_crt_support:1;
471 unsigned int lvds_use_ssc:1;
472 int lvds_ssc_freq;
473 bool is_lvds_on;
474 bool is_mipi_on;
475 bool lvds_enabled_in_vbt;
476 u32 mipi_ctrl_display;
477
478 unsigned int core_freq;
479 uint32_t iLVDS_enable;
480
481 /* MID specific */
482 bool use_msi;
483 bool has_gct;
484 struct oaktrail_gct_data gct_data;
485
486 /* Oaktrail HDMI state */
487 struct oaktrail_hdmi_dev *hdmi_priv;
488
489 /* Register state */
490 struct psb_save_area regs;
491
492 /* Hotplug handling */
493 struct work_struct hotplug_work;
494
495 struct psb_intel_opregion opregion;
496
497 /* Watchdog */
498 uint32_t apm_reg;
499 uint16_t apm_base;
500
501 /*
502 * Used for modifying backlight from
503 * xrandr -- consider removing and using HAL instead
504 */
505 struct intel_scu_ipc_dev *scu;
506 struct backlight_device *backlight_device;
507 struct drm_property *backlight_property;
508 bool backlight_enabled;
509 int backlight_level;
510 uint32_t blc_adj1;
511 uint32_t blc_adj2;
512
513 bool dsr_enable;
514 u32 dsr_fb_update;
515 bool dpi_panel_on[3];
516 void *dsi_configs[2];
517 u32 bpp;
518 u32 bpp2;
519
520 u32 pipeconf[3];
521 u32 dspcntr[3];
522
523 bool dplla_96mhz; /* DPLL data from the VBT */
524
525 struct {
526 int rate;
527 int lanes;
528 int preemphasis;
529 int vswing;
530
531 bool initialized;
532 bool support;
533 int bpp;
534 struct edp_power_seq pps;
535 } edp;
536 uint8_t panel_type;
537};
538
539static inline struct drm_psb_private *to_drm_psb_private(struct drm_device *dev)
540{
541 return container_of(dev, struct drm_psb_private, dev);
542}
543
544/* Operations for each board type */
545struct psb_ops {
546 const char *name;
547 int pipes; /* Number of output pipes */
548 int crtcs; /* Number of CRTCs */
549 int sgx_offset; /* Base offset of SGX device */
550 int hdmi_mask; /* Mask of HDMI CRTCs */
551 int lvds_mask; /* Mask of LVDS CRTCs */
552 int sdvo_mask; /* Mask of SDVO CRTCs */
553 int cursor_needs_phys; /* If cursor base reg need physical address */
554
555 /* Sub functions */
556 struct drm_crtc_helper_funcs const *crtc_helper;
557 const struct gma_clock_funcs *clock_funcs;
558
559 /* Setup hooks */
560 int (*chip_setup)(struct drm_device *dev);
561 void (*chip_teardown)(struct drm_device *dev);
562 /* Optional helper caller after modeset */
563 void (*errata)(struct drm_device *dev);
564
565 /* Display management hooks */
566 int (*output_init)(struct drm_device *dev);
567 int (*hotplug)(struct drm_device *dev);
568 void (*hotplug_enable)(struct drm_device *dev, bool on);
569 /* Power management hooks */
570 void (*init_pm)(struct drm_device *dev);
571 int (*save_regs)(struct drm_device *dev);
572 int (*restore_regs)(struct drm_device *dev);
573 void (*save_crtc)(struct drm_crtc *crtc);
574 void (*restore_crtc)(struct drm_crtc *crtc);
575 int (*power_up)(struct drm_device *dev);
576 int (*power_down)(struct drm_device *dev);
577 void (*update_wm)(struct drm_device *dev, struct drm_crtc *crtc);
578 void (*disable_sr)(struct drm_device *dev);
579
580 void (*lvds_bl_power)(struct drm_device *dev, bool on);
581
582 /* Backlight */
583 int (*backlight_init)(struct drm_device *dev);
584 void (*backlight_set)(struct drm_device *dev, int level);
585 int (*backlight_get)(struct drm_device *dev);
586 const char *backlight_name;
587
588 int i2c_bus; /* I2C bus identifier for Moorestown */
589};
590
591/* modesetting */
592extern void psb_modeset_init(struct drm_device *dev);
593extern void psb_modeset_cleanup(struct drm_device *dev);
594
595/* fbdev */
596#if defined(CONFIG_DRM_FBDEV_EMULATION)
597int psb_fbdev_driver_fbdev_probe(struct drm_fb_helper *fb_helper,
598 struct drm_fb_helper_surface_size *sizes);
599#define PSB_FBDEV_DRIVER_OPS \
600 .fbdev_probe = psb_fbdev_driver_fbdev_probe
601#else
602#define PSB_FBDEV_DRIVER_OPS \
603 .fbdev_probe = NULL
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