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android_kernel_motorola_sm6225/drivers/char/drm/i915_drv.h
Keith Packard 1f84e550a8 drm/i915 more registers for S3 (DSPCLK_GATE_D, CACHE_MODE_0, MI_ARB_STATE) 
Failing to preserve the MI_ARB_STATE register was causing FIFO underruns on
the VGA output on my HP 2510p after resume.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2008-02-20 09:43:43 +10:00

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/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*-
*/
/*
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef _I915_DRV_H_
#define _I915_DRV_H_
/* General customization:
*/
#define DRIVER_AUTHOR "Tungsten Graphics, Inc."
#define DRIVER_NAME "i915"
#define DRIVER_DESC "Intel Graphics"
#define DRIVER_DATE "20060119"
/* Interface history:
*
* 1.1: Original.
* 1.2: Add Power Management
* 1.3: Add vblank support
* 1.4: Fix cmdbuffer path, add heap destroy
* 1.5: Add vblank pipe configuration
* 1.6: - New ioctl for scheduling buffer swaps on vertical blank
* - Support vertical blank on secondary display pipe
*/
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 6
#define DRIVER_PATCHLEVEL 0
typedef struct _drm_i915_ring_buffer {
int tail_mask;
unsigned long Start;
unsigned long End;
unsigned long Size;
u8 *virtual_start;
int head;
int tail;
int space;
drm_local_map_t map;
} drm_i915_ring_buffer_t;
struct mem_block {
struct mem_block *next;
struct mem_block *prev;
int start;
int size;
struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */
};
typedef struct _drm_i915_vbl_swap {
struct list_head head;
drm_drawable_t drw_id;
unsigned int pipe;
unsigned int sequence;
} drm_i915_vbl_swap_t;
typedef struct drm_i915_private {
drm_local_map_t *sarea;
drm_local_map_t *mmio_map;
drm_i915_sarea_t *sarea_priv;
drm_i915_ring_buffer_t ring;
drm_dma_handle_t *status_page_dmah;
void *hw_status_page;
dma_addr_t dma_status_page;
unsigned long counter;
unsigned int status_gfx_addr;
drm_local_map_t hws_map;
unsigned int cpp;
int back_offset;
int front_offset;
int current_page;
int page_flipping;
int use_mi_batchbuffer_start;
wait_queue_head_t irq_queue;
atomic_t irq_received;
atomic_t irq_emitted;
int tex_lru_log_granularity;
int allow_batchbuffer;
struct mem_block *agp_heap;
unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
int vblank_pipe;
spinlock_t swaps_lock;
drm_i915_vbl_swap_t vbl_swaps;
unsigned int swaps_pending;
/* Register state */
u8 saveLBB;
u32 saveDSPACNTR;
u32 saveDSPBCNTR;
u32 savePIPEACONF;
u32 savePIPEBCONF;
u32 savePIPEASRC;
u32 savePIPEBSRC;
u32 saveFPA0;
u32 saveFPA1;
u32 saveDPLL_A;
u32 saveDPLL_A_MD;
u32 saveHTOTAL_A;
u32 saveHBLANK_A;
u32 saveHSYNC_A;
u32 saveVTOTAL_A;
u32 saveVBLANK_A;
u32 saveVSYNC_A;
u32 saveBCLRPAT_A;
u32 savePIPEASTAT;
u32 saveDSPASTRIDE;
u32 saveDSPASIZE;
u32 saveDSPAPOS;
u32 saveDSPABASE;
u32 saveDSPASURF;
u32 saveDSPATILEOFF;
u32 savePFIT_PGM_RATIOS;
u32 saveBLC_PWM_CTL;
u32 saveBLC_PWM_CTL2;
u32 saveFPB0;
u32 saveFPB1;
u32 saveDPLL_B;
u32 saveDPLL_B_MD;
u32 saveHTOTAL_B;
u32 saveHBLANK_B;
u32 saveHSYNC_B;
u32 saveVTOTAL_B;
u32 saveVBLANK_B;
u32 saveVSYNC_B;
u32 saveBCLRPAT_B;
u32 savePIPEBSTAT;
u32 saveDSPBSTRIDE;
u32 saveDSPBSIZE;
u32 saveDSPBPOS;
u32 saveDSPBBASE;
u32 saveDSPBSURF;
u32 saveDSPBTILEOFF;
u32 saveVCLK_DIVISOR_VGA0;
u32 saveVCLK_DIVISOR_VGA1;
u32 saveVCLK_POST_DIV;
u32 saveVGACNTRL;
u32 saveADPA;
u32 saveLVDS;
u32 saveLVDSPP_ON;
u32 saveLVDSPP_OFF;
u32 saveDVOA;
u32 saveDVOB;
u32 saveDVOC;
u32 savePP_ON;
u32 savePP_OFF;
u32 savePP_CONTROL;
u32 savePP_CYCLE;
u32 savePFIT_CONTROL;
u32 save_palette_a[256];
u32 save_palette_b[256];
u32 saveFBC_CFB_BASE;
u32 saveFBC_LL_BASE;
u32 saveFBC_CONTROL;
u32 saveFBC_CONTROL2;
u32 saveIER;
u32 saveIIR;
u32 saveIMR;
u32 saveCACHE_MODE_0;
u32 saveDSPCLK_GATE_D;
u32 saveMI_ARB_STATE;
u32 saveSWF0[16];
u32 saveSWF1[16];
u32 saveSWF2[3];
u8 saveMSR;
u8 saveSR[8];
u8 saveGR[25];
u8 saveAR_INDEX;
u8 saveAR[20];
u8 saveDACMASK;
u8 saveDACDATA[256*3]; /* 256 3-byte colors */
u8 saveCR[36];
} drm_i915_private_t;
extern struct drm_ioctl_desc i915_ioctls[];
extern int i915_max_ioctl;
/* i915_dma.c */
extern void i915_kernel_lost_context(struct drm_device * dev);
extern int i915_driver_load(struct drm_device *, unsigned long flags);
extern int i915_driver_unload(struct drm_device *);
extern void i915_driver_lastclose(struct drm_device * dev);
extern void i915_driver_preclose(struct drm_device *dev,
struct drm_file *file_priv);
extern int i915_driver_device_is_agp(struct drm_device * dev);
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
/* i915_irq.c */
extern int i915_irq_emit(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_irq_wait(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence);
extern int i915_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
extern void i915_driver_irq_preinstall(struct drm_device * dev);
extern void i915_driver_irq_postinstall(struct drm_device * dev);
extern void i915_driver_irq_uninstall(struct drm_device * dev);
extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_vblank_swap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* i915_mem.c */
extern int i915_mem_alloc(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_mem_free(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_mem_init_heap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int i915_mem_destroy_heap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern void i915_mem_takedown(struct mem_block **heap);
extern void i915_mem_release(struct drm_device * dev,
struct drm_file *file_priv, struct mem_block *heap);
#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, (reg))
#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, (reg), (val))
#define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, (reg))
#define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, (reg), (val))
#define I915_VERBOSE 0
#define RING_LOCALS unsigned int outring, ringmask, outcount; \
volatile char *virt;
#define BEGIN_LP_RING(n) do { \
if (I915_VERBOSE) \
DRM_DEBUG("BEGIN_LP_RING(%d)\n", (n)); \
if (dev_priv->ring.space < (n)*4) \
i915_wait_ring(dev, (n)*4, __FUNCTION__); \
outcount = 0; \
outring = dev_priv->ring.tail; \
ringmask = dev_priv->ring.tail_mask; \
virt = dev_priv->ring.virtual_start; \
} while (0)
#define OUT_RING(n) do { \
if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \
*(volatile unsigned int *)(virt + outring) = (n); \
outcount++; \
outring += 4; \
outring &= ringmask; \
} while (0)
#define ADVANCE_LP_RING() do { \
if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring); \
dev_priv->ring.tail = outring; \
dev_priv->ring.space -= outcount * 4; \
I915_WRITE(LP_RING + RING_TAIL, outring); \
} while(0)
extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
/* Extended config space */
#define LBB 0xf4
/* VGA stuff */
#define VGA_ST01_MDA 0x3ba
#define VGA_ST01_CGA 0x3da
#define VGA_MSR_WRITE 0x3c2
#define VGA_MSR_READ 0x3cc
#define VGA_MSR_MEM_EN (1<<1)
#define VGA_MSR_CGA_MODE (1<<0)
#define VGA_SR_INDEX 0x3c4
#define VGA_SR_DATA 0x3c5
#define VGA_AR_INDEX 0x3c0
#define VGA_AR_VID_EN (1<<5)
#define VGA_AR_DATA_WRITE 0x3c0
#define VGA_AR_DATA_READ 0x3c1
#define VGA_GR_INDEX 0x3ce
#define VGA_GR_DATA 0x3cf
/* GR05 */
#define VGA_GR_MEM_READ_MODE_SHIFT 3
#define VGA_GR_MEM_READ_MODE_PLANE 1
/* GR06 */
#define VGA_GR_MEM_MODE_MASK 0xc
#define VGA_GR_MEM_MODE_SHIFT 2
#define VGA_GR_MEM_A0000_AFFFF 0
#define VGA_GR_MEM_A0000_BFFFF 1
#define VGA_GR_MEM_B0000_B7FFF 2
#define VGA_GR_MEM_B0000_BFFFF 3
#define VGA_DACMASK 0x3c6
#define VGA_DACRX 0x3c7
#define VGA_DACWX 0x3c8
#define VGA_DACDATA 0x3c9
#define VGA_CR_INDEX_MDA 0x3b4
#define VGA_CR_DATA_MDA 0x3b5
#define VGA_CR_INDEX_CGA 0x3d4
#define VGA_CR_DATA_CGA 0x3d5
#define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23))
#define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23))
#define CMD_REPORT_HEAD (7<<23)
#define CMD_STORE_DWORD_IDX ((0x21<<23) | 0x1)
#define CMD_OP_BATCH_BUFFER ((0x0<<29)|(0x30<<23)|0x1)
#define INST_PARSER_CLIENT 0x00000000
#define INST_OP_FLUSH 0x02000000
#define INST_FLUSH_MAP_CACHE 0x00000001
#define BB1_START_ADDR_MASK (~0x7)
#define BB1_PROTECTED (1<<0)
#define BB1_UNPROTECTED (0<<0)
#define BB2_END_ADDR_MASK (~0x7)
/* Framebuffer compression */
#define FBC_CFB_BASE 0x03200 /* 4k page aligned */
#define FBC_LL_BASE 0x03204 /* 4k page aligned */
#define FBC_CONTROL 0x03208
#define FBC_CTL_EN (1<<31)
#define FBC_CTL_PERIODIC (1<<30)
#define FBC_CTL_INTERVAL_SHIFT (16)
#define FBC_CTL_UNCOMPRESSIBLE (1<<14)
#define FBC_CTL_STRIDE_SHIFT (5)
#define FBC_CTL_FENCENO (1<<0)
#define FBC_COMMAND 0x0320c
#define FBC_CMD_COMPRESS (1<<0)
#define FBC_STATUS 0x03210
#define FBC_STAT_COMPRESSING (1<<31)
#define FBC_STAT_COMPRESSED (1<<30)
#define FBC_STAT_MODIFIED (1<<29)
#define FBC_STAT_CURRENT_LINE (1<<0)
#define FBC_CONTROL2 0x03214
#define FBC_CTL_FENCE_DBL (0<<4)
#define FBC_CTL_IDLE_IMM (0<<2)
#define FBC_CTL_IDLE_FULL (1<<2)
#define FBC_CTL_IDLE_LINE (2<<2)
#define FBC_CTL_IDLE_DEBUG (3<<2)
#define FBC_CTL_CPU_FENCE (1<<1)
#define FBC_CTL_PLANEA (0<<0)
#define FBC_CTL_PLANEB (1<<0)
#define FBC_FENCE_OFF 0x0321b
#define FBC_LL_SIZE (1536)
#define FBC_LL_PAD (32)
/* Interrupt bits:
*/
#define USER_INT_FLAG (1<<1)
#define VSYNC_PIPEB_FLAG (1<<5)
#define VSYNC_PIPEA_FLAG (1<<7)
#define HWB_OOM_FLAG (1<<13) /* binner out of memory */
#define I915REG_HWSTAM 0x02098
#define I915REG_INT_IDENTITY_R 0x020a4
#define I915REG_INT_MASK_R 0x020a8
#define I915REG_INT_ENABLE_R 0x020a0
#define I915REG_PIPEASTAT 0x70024
#define I915REG_PIPEBSTAT 0x71024
#define I915_VBLANK_INTERRUPT_ENABLE (1UL<<17)
#define I915_VBLANK_CLEAR (1UL<<1)
#define SRX_INDEX 0x3c4
#define SRX_DATA 0x3c5
#define SR01 1
#define SR01_SCREEN_OFF (1<<5)
#define PPCR 0x61204
#define PPCR_ON (1<<0)
#define DVOB 0x61140
#define DVOB_ON (1<<31)
#define DVOC 0x61160
#define DVOC_ON (1<<31)
#define LVDS 0x61180
#define LVDS_ON (1<<31)
#define ADPA 0x61100
#define ADPA_DPMS_MASK (~(3<<10))
#define ADPA_DPMS_ON (0<<10)
#define ADPA_DPMS_SUSPEND (1<<10)
#define ADPA_DPMS_STANDBY (2<<10)
#define ADPA_DPMS_OFF (3<<10)
#define NOPID 0x2094
#define LP_RING 0x2030
#define HP_RING 0x2040
/* The binner has its own ring buffer:
*/
#define HWB_RING 0x2400
#define RING_TAIL 0x00
#define TAIL_ADDR 0x001FFFF8
#define RING_HEAD 0x04
#define HEAD_WRAP_COUNT 0xFFE00000
#define HEAD_WRAP_ONE 0x00200000
#define HEAD_ADDR 0x001FFFFC
#define RING_START 0x08
#define START_ADDR 0x0xFFFFF000
#define RING_LEN 0x0C
#define RING_NR_PAGES 0x001FF000
#define RING_REPORT_MASK 0x00000006
#define RING_REPORT_64K 0x00000002
#define RING_REPORT_128K 0x00000004
#define RING_NO_REPORT 0x00000000
#define RING_VALID_MASK 0x00000001
#define RING_VALID 0x00000001
#define RING_INVALID 0x00000000
/* Instruction parser error reg:
*/
#define IPEIR 0x2088
/* Scratch pad debug 0 reg:
*/
#define SCPD0 0x209c
/* Error status reg:
*/
#define ESR 0x20b8
/* Secondary DMA fetch address debug reg:
*/
#define DMA_FADD_S 0x20d4
/* Memory Interface Arbitration State
*/
#define MI_ARB_STATE 0x20e4
/* Cache mode 0 reg.
* - Manipulating render cache behaviour is central
* to the concept of zone rendering, tuning this reg can help avoid
* unnecessary render cache reads and even writes (for z/stencil)
* at beginning and end of scene.
*
* - To change a bit, write to this reg with a mask bit set and the
* bit of interest either set or cleared. EG: (BIT<<16) | BIT to set.
*/
#define Cache_Mode_0 0x2120
#define CACHE_MODE_0 0x2120
#define CM0_MASK_SHIFT 16
#define CM0_IZ_OPT_DISABLE (1<<6)
#define CM0_ZR_OPT_DISABLE (1<<5)
#define CM0_DEPTH_EVICT_DISABLE (1<<4)
#define CM0_COLOR_EVICT_DISABLE (1<<3)
#define CM0_DEPTH_WRITE_DISABLE (1<<1)
#define CM0_RC_OP_FLUSH_DISABLE (1<<0)
/* Graphics flush control. A CPU write flushes the GWB of all writes.
* The data is discarded.
*/
#define GFX_FLSH_CNTL 0x2170
/* Binner control. Defines the location of the bin pointer list:
*/
#define BINCTL 0x2420
#define BC_MASK (1 << 9)
/* Binned scene info.
*/
#define BINSCENE 0x2428
#define BS_OP_LOAD (1 << 8)
#define BS_MASK (1 << 22)
/* Bin command parser debug reg:
*/
#define BCPD 0x2480
/* Bin memory control debug reg:
*/
#define BMCD 0x2484
/* Bin data cache debug reg:
*/
#define BDCD 0x2488
/* Binner pointer cache debug reg:
*/
#define BPCD 0x248c
/* Binner scratch pad debug reg:
*/
#define BINSKPD 0x24f0
/* HWB scratch pad debug reg:
*/
#define HWBSKPD 0x24f4
/* Binner memory pool reg:
*/
#define BMP_BUFFER 0x2430
#define BMP_PAGE_SIZE_4K (0 << 10)
#define BMP_BUFFER_SIZE_SHIFT 1
#define BMP_ENABLE (1 << 0)
/* Get/put memory from the binner memory pool:
*/
#define BMP_GET 0x2438
#define BMP_PUT 0x2440
#define BMP_OFFSET_SHIFT 5
/* 3D state packets:
*/
#define GFX_OP_RASTER_RULES ((0x3<<29)|(0x7<<24))
#define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19))
#define SC_UPDATE_SCISSOR (0x1<<1)
#define SC_ENABLE_MASK (0x1<<0)
#define SC_ENABLE (0x1<<0)
#define GFX_OP_LOAD_INDIRECT ((0x3<<29)|(0x1d<<24)|(0x7<<16))
#define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1))
#define SCI_YMIN_MASK (0xffff<<16)
#define SCI_XMIN_MASK (0xffff<<0)
#define SCI_YMAX_MASK (0xffff<<16)
#define SCI_XMAX_MASK (0xffff<<0)
#define GFX_OP_SCISSOR_ENABLE ((0x3<<29)|(0x1c<<24)|(0x10<<19))
#define GFX_OP_SCISSOR_RECT ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1)
#define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0)
#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16))
#define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4)
#define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0)
#define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3))
#define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2)
#define SRC_COPY_BLT_CMD ((2<<29)|(0x43<<22)|4)
#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6)
#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21)
#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20)
#define MI_BATCH_BUFFER ((0x30<<23)|1)
#define MI_BATCH_BUFFER_START (0x31<<23)
#define MI_BATCH_BUFFER_END (0xA<<23)
#define MI_BATCH_NON_SECURE (1)
#define MI_BATCH_NON_SECURE_I965 (1<<8)
#define MI_WAIT_FOR_EVENT ((0x3<<23))
#define MI_WAIT_FOR_PLANE_B_FLIP (1<<6)
#define MI_WAIT_FOR_PLANE_A_FLIP (1<<2)
#define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1)
#define MI_LOAD_SCAN_LINES_INCL ((0x12<<23))
#define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2)
#define ASYNC_FLIP (1<<22)
#define DISPLAY_PLANE_A (0<<20)
#define DISPLAY_PLANE_B (1<<20)
/* Display regs */
#define DSPACNTR 0x70180
#define DSPBCNTR 0x71180
#define DISPPLANE_SEL_PIPE_MASK (1<<24)
/* Define the region of interest for the binner:
*/
#define CMD_OP_BIN_CONTROL ((0x3<<29)|(0x1d<<24)|(0x84<<16)|4)
#define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1)
#define CMD_MI_FLUSH (0x04 << 23)
#define MI_NO_WRITE_FLUSH (1 << 2)
#define MI_READ_FLUSH (1 << 0)
#define MI_EXE_FLUSH (1 << 1)
#define MI_END_SCENE (1 << 4) /* flush binner and incr scene count */
#define MI_SCENE_COUNT (1 << 3) /* just increment scene count */
#define BREADCRUMB_BITS 31
#define BREADCRUMB_MASK ((1U << BREADCRUMB_BITS) - 1)
#define READ_BREADCRUMB(dev_priv) (((volatile u32*)(dev_priv->hw_status_page))[5])
#define READ_HWSP(dev_priv, reg) (((volatile u32*)(dev_priv->hw_status_page))[reg])
#define BLC_PWM_CTL 0x61254
#define BACKLIGHT_MODULATION_FREQ_SHIFT (17)
#define BLC_PWM_CTL2 0x61250
/**
* This is the most significant 15 bits of the number of backlight cycles in a
* complete cycle of the modulated backlight control.
*
* The actual value is this field multiplied by two.
*/
#define BACKLIGHT_MODULATION_FREQ_MASK (0x7fff << 17)
#define BLM_LEGACY_MODE (1 << 16)
/**
* This is the number of cycles out of the backlight modulation cycle for which
* the backlight is on.
*
* This field must be no greater than the number of cycles in the complete
* backlight modulation cycle.
*/
#define BACKLIGHT_DUTY_CYCLE_SHIFT (0)
#define BACKLIGHT_DUTY_CYCLE_MASK (0xffff)
#define I915_GCFGC 0xf0
#define I915_LOW_FREQUENCY_ENABLE (1 << 7)
#define I915_DISPLAY_CLOCK_190_200_MHZ (0 << 4)
#define I915_DISPLAY_CLOCK_333_MHZ (4 << 4)
#define I915_DISPLAY_CLOCK_MASK (7 << 4)
#define I855_HPLLCC 0xc0
#define I855_CLOCK_CONTROL_MASK (3 << 0)
#define I855_CLOCK_133_200 (0 << 0)
#define I855_CLOCK_100_200 (1 << 0)
#define I855_CLOCK_100_133 (2 << 0)
#define I855_CLOCK_166_250 (3 << 0)
/* p317, 319
*/
#define VCLK2_VCO_M 0x6008 /* treat as 16 bit? (includes msbs) */
#define VCLK2_VCO_N 0x600a
#define VCLK2_VCO_DIV_SEL 0x6012
#define VCLK_DIVISOR_VGA0 0x6000
#define VCLK_DIVISOR_VGA1 0x6004
#define VCLK_POST_DIV 0x6010
/** Selects a post divisor of 4 instead of 2. */
# define VGA1_PD_P2_DIV_4 (1 << 15)
/** Overrides the p2 post divisor field */
# define VGA1_PD_P1_DIV_2 (1 << 13)
# define VGA1_PD_P1_SHIFT 8
/** P1 value is 2 greater than this field */
# define VGA1_PD_P1_MASK (0x1f << 8)
/** Selects a post divisor of 4 instead of 2. */
# define VGA0_PD_P2_DIV_4 (1 << 7)
/** Overrides the p2 post divisor field */
# define VGA0_PD_P1_DIV_2 (1 << 5)
# define VGA0_PD_P1_SHIFT 0
/** P1 value is 2 greater than this field */
# define VGA0_PD_P1_MASK (0x1f << 0)
#define DSPCLK_GATE_D 0x6200
/* I830 CRTC registers */
#define HTOTAL_A 0x60000
#define HBLANK_A 0x60004
#define HSYNC_A 0x60008
#define VTOTAL_A 0x6000c
#define VBLANK_A 0x60010
#define VSYNC_A 0x60014
#define PIPEASRC 0x6001c
#define BCLRPAT_A 0x60020
#define VSYNCSHIFT_A 0x60028
#define HTOTAL_B 0x61000
#define HBLANK_B 0x61004
#define HSYNC_B 0x61008
#define VTOTAL_B 0x6100c
#define VBLANK_B 0x61010
#define VSYNC_B 0x61014
#define PIPEBSRC 0x6101c
#define BCLRPAT_B 0x61020
#define VSYNCSHIFT_B 0x61028
#define PP_STATUS 0x61200
# define PP_ON (1 << 31)
/**
* Indicates that all dependencies of the panel are on:
*
* - PLL enabled
* - pipe enabled
* - LVDS/DVOB/DVOC on
*/
# define PP_READY (1 << 30)
# define PP_SEQUENCE_NONE (0 << 28)
# define PP_SEQUENCE_ON (1 << 28)
# define PP_SEQUENCE_OFF (2 << 28)
# define PP_SEQUENCE_MASK 0x30000000
#define PP_CONTROL 0x61204
# define POWER_TARGET_ON (1 << 0)
#define LVDSPP_ON 0x61208
#define LVDSPP_OFF 0x6120c
#define PP_CYCLE 0x61210
#define PFIT_CONTROL 0x61230
# define PFIT_ENABLE (1 << 31)
# define PFIT_PIPE_MASK (3 << 29)
# define PFIT_PIPE_SHIFT 29
# define VERT_INTERP_DISABLE (0 << 10)
# define VERT_INTERP_BILINEAR (1 << 10)
# define VERT_INTERP_MASK (3 << 10)
# define VERT_AUTO_SCALE (1 << 9)
# define HORIZ_INTERP_DISABLE (0 << 6)
# define HORIZ_INTERP_BILINEAR (1 << 6)
# define HORIZ_INTERP_MASK (3 << 6)
# define HORIZ_AUTO_SCALE (1 << 5)
# define PANEL_8TO6_DITHER_ENABLE (1 << 3)
#define PFIT_PGM_RATIOS 0x61234
# define PFIT_VERT_SCALE_MASK 0xfff00000
# define PFIT_HORIZ_SCALE_MASK 0x0000fff0
#define PFIT_AUTO_RATIOS 0x61238
#define DPLL_A 0x06014
#define DPLL_B 0x06018
# define DPLL_VCO_ENABLE (1 << 31)
# define DPLL_DVO_HIGH_SPEED (1 << 30)
# define DPLL_SYNCLOCK_ENABLE (1 << 29)
# define DPLL_VGA_MODE_DIS (1 << 28)
# define DPLLB_MODE_DAC_SERIAL (1 << 26) /* i915 */
# define DPLLB_MODE_LVDS (2 << 26) /* i915 */
# define DPLL_MODE_MASK (3 << 26)
# define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10 (0 << 24) /* i915 */
# define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 (1 << 24) /* i915 */
# define DPLLB_LVDS_P2_CLOCK_DIV_14 (0 << 24) /* i915 */
# define DPLLB_LVDS_P2_CLOCK_DIV_7 (1 << 24) /* i915 */
# define DPLL_P2_CLOCK_DIV_MASK 0x03000000 /* i915 */
# define DPLL_FPA01_P1_POST_DIV_MASK 0x00ff0000 /* i915 */
/**
* The i830 generation, in DAC/serial mode, defines p1 as two plus this
* bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
*/
# define DPLL_FPA01_P1_POST_DIV_MASK_I830 0x001f0000
/**
* The i830 generation, in LVDS mode, defines P1 as the bit number set within
* this field (only one bit may be set).
*/
# define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS 0x003f0000
# define DPLL_FPA01_P1_POST_DIV_SHIFT 16
# define PLL_P2_DIVIDE_BY_4 (1 << 23) /* i830, required in DVO non-gang */
# define PLL_P1_DIVIDE_BY_TWO (1 << 21) /* i830 */
# define PLL_REF_INPUT_DREFCLK (0 << 13)
# define PLL_REF_INPUT_TVCLKINA (1 << 13) /* i830 */
# define PLL_REF_INPUT_TVCLKINBC (2 << 13) /* SDVO TVCLKIN */
# define PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13)
# define PLL_REF_INPUT_MASK (3 << 13)
# define PLL_LOAD_PULSE_PHASE_SHIFT 9
/*
* Parallel to Serial Load Pulse phase selection.
* Selects the phase for the 10X DPLL clock for the PCIe
* digital display port. The range is 4 to 13; 10 or more
* is just a flip delay. The default is 6
*/
# define PLL_LOAD_PULSE_PHASE_MASK (0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
# define DISPLAY_RATE_SELECT_FPA1 (1 << 8)
/**
* SDVO multiplier for 945G/GM. Not used on 965.
*
* \sa DPLL_MD_UDI_MULTIPLIER_MASK
*/
# define SDVO_MULTIPLIER_MASK 0x000000ff
# define SDVO_MULTIPLIER_SHIFT_HIRES 4
# define SDVO_MULTIPLIER_SHIFT_VGA 0
/** @defgroup DPLL_MD
* @{
*/
/** Pipe A SDVO/UDI clock multiplier/divider register for G965. */
#define DPLL_A_MD 0x0601c
/** Pipe B SDVO/UDI clock multiplier/divider register for G965. */
#define DPLL_B_MD 0x06020
/**
* UDI pixel divider, controlling how many pixels are stuffed into a packet.
*
* Value is pixels minus 1. Must be set to 1 pixel for SDVO.
*/
# define DPLL_MD_UDI_DIVIDER_MASK 0x3f000000
# define DPLL_MD_UDI_DIVIDER_SHIFT 24
/** UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
# define DPLL_MD_VGA_UDI_DIVIDER_MASK 0x003f0000
# define DPLL_MD_VGA_UDI_DIVIDER_SHIFT 16
/**
* SDVO/UDI pixel multiplier.
*
* SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
* clock rate is 10 times the DPLL clock. At low resolution/refresh rate
* modes, the bus rate would be below the limits, so SDVO allows for stuffing
* dummy bytes in the datastream at an increased clock rate, with both sides of
* the link knowing how many bytes are fill.
*
* So, for a mode with a dotclock of 65Mhz, we would want to double the clock
* rate to 130Mhz to get a bus rate of 1.30Ghz. The DPLL clock rate would be
* set to 130Mhz, and the SDVO multiplier set to 2x in this register and
* through an SDVO command.
*
* This register field has values of multiplication factor minus 1, with
* a maximum multiplier of 5 for SDVO.
*/
# define DPLL_MD_UDI_MULTIPLIER_MASK 0x00003f00
# define DPLL_MD_UDI_MULTIPLIER_SHIFT 8
/** SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
* This best be set to the default value (3) or the CRT won't work. No,
* I don't entirely understand what this does...
*/
# define DPLL_MD_VGA_UDI_MULTIPLIER_MASK 0x0000003f
# define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT 0
/** @} */
#define DPLL_TEST 0x606c
# define DPLLB_TEST_SDVO_DIV_1 (0 << 22)
# define DPLLB_TEST_SDVO_DIV_2 (1 << 22)
# define DPLLB_TEST_SDVO_DIV_4 (2 << 22)
# define DPLLB_TEST_SDVO_DIV_MASK (3 << 22)
# define DPLLB_TEST_N_BYPASS (1 << 19)
# define DPLLB_TEST_M_BYPASS (1 << 18)
# define DPLLB_INPUT_BUFFER_ENABLE (1 << 16)
# define DPLLA_TEST_N_BYPASS (1 << 3)
# define DPLLA_TEST_M_BYPASS (1 << 2)
# define DPLLA_INPUT_BUFFER_ENABLE (1 << 0)
#define ADPA 0x61100
#define ADPA_DAC_ENABLE (1<<31)
#define ADPA_DAC_DISABLE 0
#define ADPA_PIPE_SELECT_MASK (1<<30)
#define ADPA_PIPE_A_SELECT 0
#define ADPA_PIPE_B_SELECT (1<<30)
#define ADPA_USE_VGA_HVPOLARITY (1<<15)
#define ADPA_SETS_HVPOLARITY 0
#define ADPA_VSYNC_CNTL_DISABLE (1<<11)
#define ADPA_VSYNC_CNTL_ENABLE 0
#define ADPA_HSYNC_CNTL_DISABLE (1<<10)
#define ADPA_HSYNC_CNTL_ENABLE 0
#define ADPA_VSYNC_ACTIVE_HIGH (1<<4)
#define ADPA_VSYNC_ACTIVE_LOW 0
#define ADPA_HSYNC_ACTIVE_HIGH (1<<3)
#define ADPA_HSYNC_ACTIVE_LOW 0
#define FPA0 0x06040
#define FPA1 0x06044
#define FPB0 0x06048
#define FPB1 0x0604c
# define FP_N_DIV_MASK 0x003f0000
# define FP_N_DIV_SHIFT 16
# define FP_M1_DIV_MASK 0x00003f00
# define FP_M1_DIV_SHIFT 8
# define FP_M2_DIV_MASK 0x0000003f
# define FP_M2_DIV_SHIFT 0
#define PORT_HOTPLUG_EN 0x61110
# define SDVOB_HOTPLUG_INT_EN (1 << 26)
# define SDVOC_HOTPLUG_INT_EN (1 << 25)
# define TV_HOTPLUG_INT_EN (1 << 18)
# define CRT_HOTPLUG_INT_EN (1 << 9)
# define CRT_HOTPLUG_FORCE_DETECT (1 << 3)
#define PORT_HOTPLUG_STAT 0x61114
# define CRT_HOTPLUG_INT_STATUS (1 << 11)
# define TV_HOTPLUG_INT_STATUS (1 << 10)
# define CRT_HOTPLUG_MONITOR_MASK (3 << 8)
# define CRT_HOTPLUG_MONITOR_COLOR (3 << 8)
# define CRT_HOTPLUG_MONITOR_MONO (2 << 8)
# define CRT_HOTPLUG_MONITOR_NONE (0 << 8)
# define SDVOC_HOTPLUG_INT_STATUS (1 << 7)
# define SDVOB_HOTPLUG_INT_STATUS (1 << 6)
#define SDVOB 0x61140
#define SDVOC 0x61160
#define SDVO_ENABLE (1 << 31)
#define SDVO_PIPE_B_SELECT (1 << 30)
#define SDVO_STALL_SELECT (1 << 29)
#define SDVO_INTERRUPT_ENABLE (1 << 26)
/**
* 915G/GM SDVO pixel multiplier.
*
* Programmed value is multiplier - 1, up to 5x.
*
* \sa DPLL_MD_UDI_MULTIPLIER_MASK
*/
#define SDVO_PORT_MULTIPLY_MASK (7 << 23)
#define SDVO_PORT_MULTIPLY_SHIFT 23
#define SDVO_PHASE_SELECT_MASK (15 << 19)
#define SDVO_PHASE_SELECT_DEFAULT (6 << 19)
#define SDVO_CLOCK_OUTPUT_INVERT (1 << 18)
#define SDVOC_GANG_MODE (1 << 16)
#define SDVO_BORDER_ENABLE (1 << 7)
#define SDVOB_PCIE_CONCURRENCY (1 << 3)
#define SDVO_DETECTED (1 << 2)
/* Bits to be preserved when writing */
#define SDVOB_PRESERVE_MASK ((1 << 17) | (1 << 16) | (1 << 14))
#define SDVOC_PRESERVE_MASK (1 << 17)
/** @defgroup LVDS
* @{
*/
/**
* This register controls the LVDS output enable, pipe selection, and data
* format selection.
*
* All of the clock/data pairs are force powered down by power sequencing.
*/
#define LVDS 0x61180
/**
* Enables the LVDS port. This bit must be set before DPLLs are enabled, as
* the DPLL semantics change when the LVDS is assigned to that pipe.
*/
# define LVDS_PORT_EN (1 << 31)
/** Selects pipe B for LVDS data. Must be set on pre-965. */
# define LVDS_PIPEB_SELECT (1 << 30)
/**
* Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
* pixel.
*/
# define LVDS_A0A2_CLKA_POWER_MASK (3 << 8)
# define LVDS_A0A2_CLKA_POWER_DOWN (0 << 8)
# define LVDS_A0A2_CLKA_POWER_UP (3 << 8)
/**
* Controls the A3 data pair, which contains the additional LSBs for 24 bit
* mode. Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
* on.
*/
# define LVDS_A3_POWER_MASK (3 << 6)
# define LVDS_A3_POWER_DOWN (0 << 6)
# define LVDS_A3_POWER_UP (3 << 6)
/**
* Controls the CLKB pair. This should only be set when LVDS_B0B3_POWER_UP
* is set.
*/
# define LVDS_CLKB_POWER_MASK (3 << 4)
# define LVDS_CLKB_POWER_DOWN (0 << 4)
# define LVDS_CLKB_POWER_UP (3 << 4)
/**
* Controls the B0-B3 data pairs. This must be set to match the DPLL p2
* setting for whether we are in dual-channel mode. The B3 pair will
* additionally only be powered up when LVDS_A3_POWER_UP is set.
*/
# define LVDS_B0B3_POWER_MASK (3 << 2)
# define LVDS_B0B3_POWER_DOWN (0 << 2)
# define LVDS_B0B3_POWER_UP (3 << 2)
#define PIPEACONF 0x70008
#define PIPEACONF_ENABLE (1<<31)
#define PIPEACONF_DISABLE 0
#define PIPEACONF_DOUBLE_WIDE (1<<30)
#define I965_PIPECONF_ACTIVE (1<<30)
#define PIPEACONF_SINGLE_WIDE 0
#define PIPEACONF_PIPE_UNLOCKED 0
#define PIPEACONF_PIPE_LOCKED (1<<25)
#define PIPEACONF_PALETTE 0
#define PIPEACONF_GAMMA (1<<24)
#define PIPECONF_FORCE_BORDER (1<<25)
#define PIPECONF_PROGRESSIVE (0 << 21)
#define PIPECONF_INTERLACE_W_FIELD_INDICATION (6 << 21)
#define PIPECONF_INTERLACE_FIELD_0_ONLY (7 << 21)
#define PIPEBCONF 0x71008
#define PIPEBCONF_ENABLE (1<<31)
#define PIPEBCONF_DISABLE 0
#define PIPEBCONF_DOUBLE_WIDE (1<<30)
#define PIPEBCONF_DISABLE 0
#define PIPEBCONF_GAMMA (1<<24)
#define PIPEBCONF_PALETTE 0
#define PIPEBGCMAXRED 0x71010
#define PIPEBGCMAXGREEN 0x71014
#define PIPEBGCMAXBLUE 0x71018
#define PIPEBSTAT 0x71024
#define PIPEBFRAMEHIGH 0x71040
#define PIPEBFRAMEPIXEL 0x71044
#define DSPACNTR 0x70180
#define DSPBCNTR 0x71180
#define DISPLAY_PLANE_ENABLE (1<<31)
#define DISPLAY_PLANE_DISABLE 0
#define DISPPLANE_GAMMA_ENABLE (1<<30)
#define DISPPLANE_GAMMA_DISABLE 0
#define DISPPLANE_PIXFORMAT_MASK (0xf<<26)
#define DISPPLANE_8BPP (0x2<<26)
#define DISPPLANE_15_16BPP (0x4<<26)
#define DISPPLANE_16BPP (0x5<<26)
#define DISPPLANE_32BPP_NO_ALPHA (0x6<<26)
#define DISPPLANE_32BPP (0x7<<26)
#define DISPPLANE_STEREO_ENABLE (1<<25)
#define DISPPLANE_STEREO_DISABLE 0
#define DISPPLANE_SEL_PIPE_MASK (1<<24)
#define DISPPLANE_SEL_PIPE_A 0
#define DISPPLANE_SEL_PIPE_B (1<<24)
#define DISPPLANE_SRC_KEY_ENABLE (1<<22)
#define DISPPLANE_SRC_KEY_DISABLE 0
#define DISPPLANE_LINE_DOUBLE (1<<20)
#define DISPPLANE_NO_LINE_DOUBLE 0
#define DISPPLANE_STEREO_POLARITY_FIRST 0
#define DISPPLANE_STEREO_POLARITY_SECOND (1<<18)
/* plane B only */
#define DISPPLANE_ALPHA_TRANS_ENABLE (1<<15)
#define DISPPLANE_ALPHA_TRANS_DISABLE 0
#define DISPPLANE_SPRITE_ABOVE_DISPLAYA 0
#define DISPPLANE_SPRITE_ABOVE_OVERLAY (1)
#define DSPABASE 0x70184
#define DSPASTRIDE 0x70188
#define DSPBBASE 0x71184
#define DSPBADDR DSPBBASE
#define DSPBSTRIDE 0x71188
#define DSPAKEYVAL 0x70194
#define DSPAKEYMASK 0x70198
#define DSPAPOS 0x7018C /* reserved */
#define DSPASIZE 0x70190
#define DSPBPOS 0x7118C
#define DSPBSIZE 0x71190
#define DSPASURF 0x7019C
#define DSPATILEOFF 0x701A4
#define DSPBSURF 0x7119C
#define DSPBTILEOFF 0x711A4
#define VGACNTRL 0x71400
# define VGA_DISP_DISABLE (1 << 31)
# define VGA_2X_MODE (1 << 30)
# define VGA_PIPE_B_SELECT (1 << 29)
/*
* Some BIOS scratch area registers. The 845 (and 830?) store the amount
* of video memory available to the BIOS in SWF1.
*/
#define SWF0 0x71410
/*
* 855 scratch registers.
*/
#define SWF10 0x70410
#define SWF30 0x72414
/*
* Overlay registers. These are overlay registers accessed via MMIO.
* Those loaded via the overlay register page are defined in i830_video.c.
*/
#define OVADD 0x30000
#define DOVSTA 0x30008
#define OC_BUF (0x3<<20)
#define OGAMC5 0x30010
#define OGAMC4 0x30014
#define OGAMC3 0x30018
#define OGAMC2 0x3001c
#define OGAMC1 0x30020
#define OGAMC0 0x30024
/*
* Palette registers
*/
#define PALETTE_A 0x0a000
#define PALETTE_B 0x0a800
#define IS_I830(dev) ((dev)->pci_device == 0x3577)
#define IS_845G(dev) ((dev)->pci_device == 0x2562)
#define IS_I85X(dev) ((dev)->pci_device == 0x3582)
#define IS_I855(dev) ((dev)->pci_device == 0x3582)
#define IS_I865G(dev) ((dev)->pci_device == 0x2572)
#define IS_I915G(dev) ((dev)->pci_device == 0x2582 || (dev)->pci_device == 0x258a)
#define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
#define IS_I945G(dev) ((dev)->pci_device == 0x2772)
#define IS_I945GM(dev) ((dev)->pci_device == 0x27A2)
#define IS_I965G(dev) ((dev)->pci_device == 0x2972 || \
(dev)->pci_device == 0x2982 || \
(dev)->pci_device == 0x2992 || \
(dev)->pci_device == 0x29A2 || \
(dev)->pci_device == 0x2A02 || \
(dev)->pci_device == 0x2A12 || \
(dev)->pci_device == 0x2A42)
#define IS_I965GM(dev) ((dev)->pci_device == 0x2A02)
#define IS_IGD_GM(dev) ((dev)->pci_device == 0x2A42)
#define IS_G33(dev) ((dev)->pci_device == 0x29C2 || \
(dev)->pci_device == 0x29B2 || \
(dev)->pci_device == 0x29D2)
#define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
#define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
IS_I945GM(dev) || IS_I965GM(dev) || IS_IGD_GM(dev))
#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_IGD_GM(dev))
#define PRIMARY_RINGBUFFER_SIZE (128*1024)
#endif
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