path: root/src/radeon.h

/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/radeon.h,v 1.40 2003/07/02 17:31:29 martin Exp $ */
/*
 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
 *                VA Linux Systems Inc., Fremont, California.
 *
 * 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 on the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, 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 ATI, VA LINUX SYSTEMS AND/OR
 * THEIR 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.
 */

/*
 * Authors:
 *   Kevin E. Martin <martin@xfree86.org>
 *   Rickard E. Faith <faith@valinux.com>
 *   Alan Hourihane <alanh@fairlite.demon.co.uk>
 *
 */

#ifndef _RADEON_H_
#define _RADEON_H_

#include "xf86str.h"

				/* PCI support */
#include "xf86Pci.h"

				/* XAA and Cursor Support */
#include "xaa.h"
#include "xf86Cursor.h"

				/* DDC support */
#include "xf86DDC.h"

				/* Xv support */
#include "xf86xv.h"

				/* DRI support */
#ifdef XF86DRI
#define _XF86DRI_SERVER_
#include "radeon_dripriv.h"
#include "dri.h"
#include "GL/glxint.h"
#endif

				/* Render support */
#ifdef RENDER
#include "picturestr.h"
#endif

#define RADEON_DEBUG            0 /* Turn off debugging output               */
#define RADEON_IDLE_RETRY      16 /* Fall out of idle loops after this count */
#define RADEON_TIMEOUT    2000000 /* Fall out of wait loops after this count */
#define RADEON_MMIOSIZE   0x80000

#define RADEON_VBIOS_SIZE 0x00010000
#define RADEON_USE_RMX 0x80000000 /* mode flag for using RMX 
				   * Need to comfirm this is not used 
				   * for something else.
				   */

#if RADEON_DEBUG
#define RADEONTRACE(x)							\
do {									\
    ErrorF("(**) %s(%d): ", RADEON_NAME, pScrn->scrnIndex);		\
    ErrorF x;								\
} while (0);
#else
#define RADEONTRACE(x)
#endif


/* Other macros */
#define RADEON_ARRAY_SIZE(x)  (sizeof(x)/sizeof(x[0]))
#define RADEON_ALIGN(x,bytes) (((x) + ((bytes) - 1)) & ~((bytes) - 1))
#define RADEONPTR(pScrn)      ((RADEONInfoPtr)(pScrn)->driverPrivate)

typedef struct {
				/* All values in XCLKS    */
    int               ML;            /* Memory Read Latency    */
    int               MB;            /* Memory Burst Length    */
    int               Trcd;          /* RAS to CAS delay       */
    int               Trp;           /* RAS percentage         */
    int               Twr;           /* Write Recovery         */
    int               CL;            /* CAS Latency            */
    int               Tr2w;          /* Read to Write Delay    */
    int               Rloop;         /* Loop Latency           */
    int               Rloop_fudge;   /* Add to ML to get Rloop */
    char              *name;
} RADEONRAMRec, *RADEONRAMPtr;

typedef struct {
				/* Common registers */
    CARD32            ovr_clr;
    CARD32            ovr_wid_left_right;
    CARD32            ovr_wid_top_bottom;
    CARD32            ov0_scale_cntl;
    CARD32            mpp_tb_config;
    CARD32            mpp_gp_config;
    CARD32            subpic_cntl;
    CARD32            viph_control;
    CARD32            i2c_cntl_1;
    CARD32            gen_int_cntl;
    CARD32            cap0_trig_cntl;
    CARD32            cap1_trig_cntl;
    CARD32            bus_cntl;
    CARD32            surface_cntl;
    CARD32            bios_5_scratch;
				/* Other registers to save for VT switches */
    CARD32            dp_datatype;
    CARD32            rbbm_soft_reset;
    CARD32            clock_cntl_index;
    CARD32            amcgpio_en_reg;
    CARD32            amcgpio_mask;

				/* CRTC registers */
    CARD32            crtc_gen_cntl;
    CARD32            crtc_ext_cntl;
    CARD32            dac_cntl;
    CARD32            crtc_h_total_disp;
    CARD32            crtc_h_sync_strt_wid;
    CARD32            crtc_v_total_disp;
    CARD32            crtc_v_sync_strt_wid;
    CARD32            crtc_offset;
    CARD32            crtc_offset_cntl;
    CARD32            crtc_pitch;
    CARD32            disp_merge_cntl;
    CARD32            grph_buffer_cntl;

				/* CRTC2 registers */
    CARD32            crtc2_gen_cntl;

    CARD32            dac2_cntl;
    CARD32            disp_output_cntl;
    CARD32            disp_hw_debug;
    CARD32            disp2_merge_cntl;
    CARD32            grph2_buffer_cntl;
    CARD32            crtc2_h_total_disp;
    CARD32            crtc2_h_sync_strt_wid;
    CARD32            crtc2_v_total_disp;
    CARD32            crtc2_v_sync_strt_wid;
    CARD32            crtc2_offset;
    CARD32            crtc2_offset_cntl;
    CARD32            crtc2_pitch;
				/* Flat panel registers */
    CARD32            fp_crtc_h_total_disp;
    CARD32            fp_crtc_v_total_disp;
    CARD32            fp_gen_cntl;
    CARD32            fp2_gen_cntl;
    CARD32            fp_h_sync_strt_wid;
    CARD32            fp2_h_sync_strt_wid;
    CARD32            fp_horz_stretch;
    CARD32            fp_panel_cntl;
    CARD32            fp_v_sync_strt_wid;
    CARD32            fp2_v_sync_strt_wid;
    CARD32            fp_vert_stretch;
    CARD32            lvds_gen_cntl;
    CARD32            lvds_pll_cntl;
    CARD32            tmds_pll_cntl;
    CARD32            tmds_transmitter_cntl;

				/* Computed values for PLL */
    CARD32            dot_clock_freq;
    CARD32            pll_output_freq;
    int               feedback_div;
    int               post_div;

				/* PLL registers */
    CARD32            ppll_ref_div;
    CARD32            ppll_div_3;
    CARD32            htotal_cntl;

				/* Computed values for PLL2 */
    CARD32            dot_clock_freq_2;
    CARD32            pll_output_freq_2;
    int               feedback_div_2;
    int               post_div_2;

				/* PLL2 registers */
    CARD32            p2pll_ref_div;
    CARD32            p2pll_div_0;
    CARD32            htotal_cntl2;

				/* Pallet */
    Bool              palette_valid;
    CARD32            palette[256];
    CARD32            palette2[256];
} RADEONSaveRec, *RADEONSavePtr;

typedef struct {
    CARD16            reference_freq;
    CARD16            reference_div;
    CARD32            min_pll_freq;
    CARD32            max_pll_freq;
    CARD16            xclk;
} RADEONPLLRec, *RADEONPLLPtr;

typedef struct {
    int               bitsPerPixel;
    int               depth;
    int               displayWidth;
    int               pixel_code;
    int               pixel_bytes;
    DisplayModePtr    mode;
} RADEONFBLayout;

typedef enum {
    MT_NONE,
    MT_CRT,
    MT_LCD,
    MT_DFP,
    MT_CTV,
    MT_STV
} RADEONMonitorType;

typedef enum {
    DDC_NONE_DETECTED,
    DDC_MONID,
    DDC_DVI,
    DDC_VGA,
    DDC_CRT2
} RADEONDDCType;

typedef enum {
    CONNECTOR_NONE,
    CONNECTOR_PROPRIETARY,
    CONNECTOR_CRT,
    CONNECTOR_DVI_I,
    CONNECTOR_DVI_D
} RADEONConnectorType;

typedef enum {
    CHIP_FAMILY_UNKNOW,
    CHIP_FAMILY_LEGACY,
    CHIP_FAMILY_RADEON,
    CHIP_FAMILY_RV100,
    CHIP_FAMILY_RS100,    /* U1 (IGP320M) or A3 (IGP320)*/
    CHIP_FAMILY_RV200,
    CHIP_FAMILY_RS200,    /* U2 (IGP330M/340M/350M) or A4 (IGP330/340/345/350), RS250 (IGP 7000) */
    CHIP_FAMILY_R200,
    CHIP_FAMILY_RV250,
    CHIP_FAMILY_RS300,    /* Radeon 9000 IGP */
    CHIP_FAMILY_RV280,
    CHIP_FAMILY_R300,
    CHIP_FAMILY_R350,
    CHIP_FAMILY_RV350
} RADEONChipFamily;

typedef struct {
    EntityInfoPtr     pEnt;
    pciVideoPtr       PciInfo;
    PCITAG            PciTag;
    int               Chipset;
    RADEONChipFamily  ChipFamily;

    Bool              FBDev;

    unsigned long     LinearAddr;       /* Frame buffer physical address     */
    unsigned long     MMIOAddr;         /* MMIO region physical address      */
    unsigned long     BIOSAddr;         /* BIOS physical address             */

    unsigned char     *MMIO;            /* Map of MMIO region                */
    unsigned char     *FB;              /* Map of frame buffer               */
    CARD8             *VBIOS;           /* Video BIOS pointer                */

    CARD32            MemCntl;
    CARD32            BusCntl;
    unsigned long     FbMapSize;        /* Size of frame buffer, in bytes    */
    int               Flags;            /* Saved copy of mode flags          */

				/* VE/M6 support */
    RADEONMonitorType DisplayType;      /* Monitor connected on              */
    RADEONDDCType     DDCType;
    RADEONConnectorType ConnectorType;
    Bool              HasCRTC2;         /* All cards except original Radeon  */
    Bool              IsMobility;       /* Mobile chips for laptops */      
    Bool              IsIGP;            /* IGP chips */      
    Bool              IsSecondary;      /* Second Screen                     */
    Bool              IsSwitching;      /* Flag for switching mode           */
    Bool              Clone;            /* Force second head to clone primary*/
    RADEONMonitorType CloneType;
    RADEONDDCType     CloneDDCType;
    DisplayModePtr    CloneModes;
    DisplayModePtr    CurCloneMode;
    int               CloneFrameX0;
    int               CloneFrameY0;
    Bool              OverlayOnCRTC2;
    Bool              PanelOff;         /* Force panel (LCD/DFP) off         */
    int               FPBIOSstart;      /* Start of the flat panel info      */
    Bool              ddc_mode;         /* Validate mode by matching exactly  
					 * the modes supported in DDC data
					 */
    Bool              R300CGWorkaround;

				/* EDID or BIOS values for FPs */
    int               PanelXRes;
    int               PanelYRes;
    int               HOverPlus;
    int               HSyncWidth;
    int               HBlank;
    int               VOverPlus;
    int               VSyncWidth;
    int               VBlank;
    int               PanelPwrDly;
    int               DotClock;
    int               RefDivider;
    int               FeedbackDivider;
    int               PostDivider;
    Bool              UseBiosDividers;

				/* EDID data using DDC interface */
    Bool              ddc_bios;
    Bool              ddc1;
    Bool              ddc2;
    I2CBusPtr         pI2CBus;
    CARD32            DDCReg;

    RADEONPLLRec      pll;
    RADEONRAMPtr      ram;

    RADEONSaveRec     SavedReg;         /* Original (text) mode              */
    RADEONSaveRec     ModeReg;          /* Current mode                      */
    Bool              (*CloseScreen)(int, ScreenPtr);

    void              (*BlockHandler)(int, pointer, pointer, pointer);

    Bool              PaletteSavedOnVT; /* Palette saved on last VT switch   */

    XAAInfoRecPtr     accel;
    Bool              accelOn;
    xf86CursorInfoPtr cursor;
    unsigned long     cursor_start;
    unsigned long     cursor_end;
#ifdef ARGB_CURSOR
    Bool	      cursor_argb;
#endif
    int               cursor_fg;
    int               cursor_bg;

    /*
     * XAAForceTransBlit is used to change the behavior of the XAA
     * SetupForScreenToScreenCopy function, to make it DGA-friendly.
     */
    Bool              XAAForceTransBlit;

    int               fifo_slots;       /* Free slots in the FIFO (64 max)   */
    int               pix24bpp;         /* Depth of pixmap for 24bpp fb      */
    Bool              dac6bits;         /* Use 6 bit DAC?                    */

				/* Computed values for Radeon */
    int               pitch;
    int               datatype;
    CARD32            dp_gui_master_cntl;
    CARD32            dp_gui_master_cntl_clip;
    CARD32            trans_color;

				/* Saved values for ScreenToScreenCopy */
    int               xdir;
    int               ydir;

				/* ScanlineScreenToScreenColorExpand support */
    unsigned char     *scratch_buffer[1];
    unsigned char     *scratch_save;
    int               scanline_x;
    int               scanline_y;
    int               scanline_w;
    int               scanline_h;
    int               scanline_h_w;
    int               scanline_words;
    int               scanline_direct;
    int               scanline_bpp;     /* Only used for ImageWrite */
    int               scanline_fg;
    int               scanline_bg;
    int               scanline_hpass;
    int               scanline_x1clip;
    int               scanline_x2clip;

				/* Saved values for DashedTwoPointLine */
    int               dashLen;
    CARD32            dashPattern;
    int               dash_fg;
    int               dash_bg;

    DGAModePtr        DGAModes;
    int               numDGAModes;
    Bool              DGAactive;
    int               DGAViewportStatus;
    DGAFunctionRec    DGAFuncs;

    RADEONFBLayout    CurrentLayout;
#ifdef XF86DRI
    Bool              noBackBuffer;
    Bool              directRenderingEnabled;
    DRIInfoPtr        pDRIInfo;
    int               drmFD;
    int               numVisualConfigs;
    __GLXvisualConfig *pVisualConfigs;
    RADEONConfigPrivPtr pVisualConfigsPriv;

    drmHandle         fbHandle;

    drmSize           registerSize;
    drmHandle         registerHandle;

    Bool              IsPCI;            /* Current card is a PCI card */
    drmSize           pciSize;
    drmHandle         pciMemHandle;
    unsigned char     *PCI;             /* Map */

    Bool              depthMoves;       /* Enable depth moves -- slow! */
    Bool              allowPageFlip;    /* Enable 3d page flipping */
    Bool              have3DWindows;    /* Are there any 3d clients? */
    int               drmMinor;

    drmSize           gartSize;
    drmHandle         agpMemHandle;     /* Handle from drmAgpAlloc */
    unsigned long     gartOffset;
    unsigned char     *AGP;             /* Map */
    int               agpMode;
    int               agpFastWrite;

    CARD32            pciCommand;

    Bool              CPRuns;           /* CP is running */
    Bool              CPInUse;          /* CP has been used by X server */
    Bool              CPStarted;        /* CP has started */
    int               CPMode;           /* CP mode that server/clients use */
    int               CPFifoSize;       /* Size of the CP command FIFO */
    int               CPusecTimeout;    /* CP timeout in usecs */

				/* CP ring buffer data */
    unsigned long     ringStart;        /* Offset into GART space */
    drmHandle         ringHandle;       /* Handle from drmAddMap */
    drmSize           ringMapSize;      /* Size of map */
    int               ringSize;         /* Size of ring (in MB) */
    unsigned char     *ring;            /* Map */
    int               ringSizeLog2QW;

    unsigned long     ringReadOffset;   /* Offset into GART space */
    drmHandle         ringReadPtrHandle; /* Handle from drmAddMap */
    drmSize           ringReadMapSize;  /* Size of map */
    unsigned char     *ringReadPtr;     /* Map */

				/* CP vertex/indirect buffer data */
    unsigned long     bufStart;         /* Offset into GART space */
    drmHandle         bufHandle;        /* Handle from drmAddMap */
    drmSize           bufMapSize;       /* Size of map */
    int               bufSize;          /* Size of buffers (in MB) */
    unsigned char     *buf;             /* Map */
    int               bufNumBufs;       /* Number of buffers */
    drmBufMapPtr      buffers;          /* Buffer map */

				/* CP GART Texture data */
    unsigned long     gartTexStart;      /* Offset into GART space */
    drmHandle         gartTexHandle;     /* Handle from drmAddMap */
    drmSize           gartTexMapSize;    /* Size of map */
    int               gartTexSize;       /* Size of GART tex space (in MB) */
    unsigned char     *gartTex;          /* Map */
    int               log2GARTTexGran;

				/* CP accleration */
    drmBufPtr         indirectBuffer;
    int               indirectStart;

				/* DRI screen private data */
    int               fbX;
    int               fbY;
    int               backX;
    int               backY;
    int               depthX;
    int               depthY;

    int               frontOffset;
    int               frontPitch;
    int               backOffset;
    int               backPitch;
    int               depthOffset;
    int               depthPitch;
    int               textureOffset;
    int               textureSize;
    int               log2TexGran;

    CARD32            frontPitchOffset;
    CARD32            backPitchOffset;
    CARD32            depthPitchOffset;

    CARD32            dst_pitch_offset;

				/* offscreen memory management */
    int               backLines;
    FBAreaPtr         backArea;
    int               depthTexLines;
    FBAreaPtr         depthTexArea;

				/* Saved scissor values */
    CARD32            sc_left;
    CARD32            sc_right;
    CARD32            sc_top;
    CARD32            sc_bottom;

    CARD32            re_top_left;
    CARD32            re_width_height;

    CARD32            aux_sc_cntl;

    int               irq;

#ifdef PER_CONTEXT_SAREA
    int               perctx_sarea_size;
#endif
#endif

				/* XVideo */
    XF86VideoAdaptorPtr adaptor;
    void              (*VideoTimerCallback)(ScrnInfoPtr, Time);
    FBLinearPtr       videoLinear;
    int               videoKey;

				/* general */
    Bool              showCache;
    OptionInfoPtr     Options;
#ifdef XFree86LOADER
    XF86ModReqInfo    xaaReq;
#endif
} RADEONInfoRec, *RADEONInfoPtr;

#define RADEONWaitForFifo(pScrn, entries)				\
do {									\
    if (info->fifo_slots < entries)					\
	RADEONWaitForFifoFunction(pScrn, entries);			\
    info->fifo_slots -= entries;					\
} while (0)

extern void        RADEONWaitForFifoFunction(ScrnInfoPtr pScrn, int entries);
extern void        RADEONWaitForIdleMMIO(ScrnInfoPtr pScrn);
#ifdef XF86DRI
extern void        RADEONWaitForIdleCP(ScrnInfoPtr pScrn);
#endif

extern void        RADEONDoAdjustFrame(ScrnInfoPtr pScrn, int x, int y,
				       int clone);

extern void        RADEONEngineReset(ScrnInfoPtr pScrn);
extern void        RADEONEngineFlush(ScrnInfoPtr pScrn);
extern void        RADEONEngineRestore(ScrnInfoPtr pScrn);

extern unsigned    RADEONINPLL(ScrnInfoPtr pScrn, int addr);
extern void        RADEONWaitForVerticalSync(ScrnInfoPtr pScrn);
extern void        RADEONWaitForVerticalSync2(ScrnInfoPtr pScrn);

extern void        RADEONSelectBuffer(ScrnInfoPtr pScrn, int buffer);

extern Bool        RADEONAccelInit(ScreenPtr pScreen);
extern void        RADEONEngineInit(ScrnInfoPtr pScrn);
extern Bool        RADEONCursorInit(ScreenPtr pScreen);
extern Bool        RADEONDGAInit(ScreenPtr pScreen);

extern int         RADEONMinBits(int val);

extern void        RADEONInitVideo(ScreenPtr pScreen);
extern void        RADEONResetVideo(ScrnInfoPtr pScrn);
extern void        R300CGWorkaround(ScrnInfoPtr pScrn);

#ifdef XF86DRI
extern Bool        RADEONDRIScreenInit(ScreenPtr pScreen);
extern void        RADEONDRICloseScreen(ScreenPtr pScreen);
extern void        RADEONDRIResume(ScreenPtr pScreen);
extern Bool        RADEONDRIFinishScreenInit(ScreenPtr pScreen);

extern drmBufPtr   RADEONCPGetBuffer(ScrnInfoPtr pScrn);
extern void        RADEONCPFlushIndirect(ScrnInfoPtr pScrn, int discard);
extern void        RADEONCPReleaseIndirect(ScrnInfoPtr pScrn);
extern int         RADEONCPStop(ScrnInfoPtr pScrn,  RADEONInfoPtr info);


#define RADEONCP_START(pScrn, info)					\
do {									\
    int _ret = drmCommandNone(info->drmFD, DRM_RADEON_CP_START);	\
    if (_ret) {								\
	xf86DrvMsg(pScrn->scrnIndex, X_ERROR,				\
		   "%s: CP start %d\n", __FUNCTION__, _ret);		\
    }									\
    info->CPStarted = TRUE;                                             \
} while (0)

#define RADEONCP_STOP(pScrn, info)					\
do {									\
    int _ret;								\
     if (info->CPStarted) {						\
        _ret = RADEONCPStop(pScrn, info);				\
        if (_ret) {							\
	    xf86DrvMsg(pScrn->scrnIndex, X_ERROR,			\
		   "%s: CP stop %d\n", __FUNCTION__, _ret);		\
        }								\
        info->CPStarted = FALSE;                                        \
   }									\
    RADEONEngineRestore(pScrn);						\
    info->CPRuns = FALSE;						\
} while (0)

#define RADEONCP_RESET(pScrn, info)					\
do {									\
    if (RADEONCP_USE_RING_BUFFER(info->CPMode)) {			\
	int _ret = drmCommandNone(info->drmFD, DRM_RADEON_CP_RESET);	\
	if (_ret) {							\
	    xf86DrvMsg(pScrn->scrnIndex, X_ERROR,			\
		       "%s: CP reset %d\n", __FUNCTION__, _ret);	\
	}								\
    }									\
} while (0)

#define RADEONCP_REFRESH(pScrn, info)					\
do {									\
    if (!info->CPInUse) {						\
	RADEON_WAIT_UNTIL_IDLE();					\
	BEGIN_RING(6);							\
	OUT_RING_REG(RADEON_RE_TOP_LEFT,     info->re_top_left);	\
	OUT_RING_REG(RADEON_RE_WIDTH_HEIGHT, info->re_width_height);	\
	OUT_RING_REG(RADEON_AUX_SC_CNTL,     info->aux_sc_cntl);	\
	ADVANCE_RING();							\
	info->CPInUse = TRUE;						\
    }									\
} while (0)


#define CP_PACKET0(reg, n)						\
	(RADEON_CP_PACKET0 | ((n) << 16) | ((reg) >> 2))
#define CP_PACKET1(reg0, reg1)						\
	(RADEON_CP_PACKET1 | (((reg1) >> 2) << 11) | ((reg0) >> 2))
#define CP_PACKET2()							\
	(RADEON_CP_PACKET2)
#define CP_PACKET3(pkt, n)						\
	(RADEON_CP_PACKET3 | (pkt) | ((n) << 16))


#define RADEON_VERBOSE	0

#define RING_LOCALS	CARD32 *__head = NULL; int __count = 0

#define BEGIN_RING(n) do {						\
    if (RADEON_VERBOSE) {						\
	xf86DrvMsg(pScrn->scrnIndex, X_INFO,				\
		   "BEGIN_RING(%d) in %s\n", n, __FUNCTION__);		\
    }									\
    if (!info->indirectBuffer) {					\
	info->indirectBuffer = RADEONCPGetBuffer(pScrn);		\
	info->indirectStart = 0;					\
    } else if (info->indirectBuffer->used + (n) * (int)sizeof(CARD32) >	\
	       info->indirectBuffer->total) {				\
	RADEONCPFlushIndirect(pScrn, 1);				\
    }									\
    __head = (pointer)((char *)info->indirectBuffer->address +		\
		       info->indirectBuffer->used);			\
    __count = 0;							\
} while (0)

#define ADVANCE_RING() do {						\
    if (RADEON_VERBOSE) {						\
	xf86DrvMsg(pScrn->scrnIndex, X_INFO,				\
		   "ADVANCE_RING() start: %d used: %d count: %d\n",	\
		   info->indirectStart,					\
		   info->indirectBuffer->used,				\
		   __count * sizeof(CARD32));				\
    }									\
    info->indirectBuffer->used += __count * (int)sizeof(CARD32);	\
} while (0)

#define OUT_RING(x) do {						\
    if (RADEON_VERBOSE) {						\
	xf86DrvMsg(pScrn->scrnIndex, X_INFO,				\
		   "   OUT_RING(0x%08x)\n", (unsigned int)(x));		\
    }									\
    __head[__count++] = (x);						\
} while (0)

#define OUT_RING_REG(reg, val)						\
do {									\
    OUT_RING(CP_PACKET0(reg, 0));					\
    OUT_RING(val);							\
} while (0)

#define FLUSH_RING()							\
do {									\
    if (RADEON_VERBOSE)							\
	xf86DrvMsg(pScrn->scrnIndex, X_INFO,				\
		   "FLUSH_RING in %s\n", __FUNCTION__);			\
    if (info->indirectBuffer) {						\
	RADEONCPFlushIndirect(pScrn, 0);				\
    }									\
} while (0)


#define RADEON_WAIT_UNTIL_2D_IDLE()					\
do {									\
    BEGIN_RING(2);							\
    OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0));				\
    OUT_RING((RADEON_WAIT_2D_IDLECLEAN |				\
	      RADEON_WAIT_HOST_IDLECLEAN));				\
    ADVANCE_RING();							\
} while (0)

#define RADEON_WAIT_UNTIL_3D_IDLE()					\
do {									\
    BEGIN_RING(2);							\
    OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0));				\
    OUT_RING((RADEON_WAIT_3D_IDLECLEAN |				\
	      RADEON_WAIT_HOST_IDLECLEAN));				\
    ADVANCE_RING();							\
} while (0)

#define RADEON_WAIT_UNTIL_IDLE()					\
do {									\
    if (RADEON_VERBOSE) {						\
	xf86DrvMsg(pScrn->scrnIndex, X_INFO,				\
		   "WAIT_UNTIL_IDLE() in %s\n", __FUNCTION__);		\
    }									\
    BEGIN_RING(2);							\
    OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0));				\
    OUT_RING((RADEON_WAIT_2D_IDLECLEAN |				\
	      RADEON_WAIT_3D_IDLECLEAN |				\
	      RADEON_WAIT_HOST_IDLECLEAN));				\
    ADVANCE_RING();							\
} while (0)

#define RADEON_FLUSH_CACHE()						\
do {									\
    BEGIN_RING(2);							\
    OUT_RING(CP_PACKET0(RADEON_RB2D_DSTCACHE_CTLSTAT, 0));		\
    OUT_RING(RADEON_RB2D_DC_FLUSH);					\
    ADVANCE_RING();							\
} while (0)

#define RADEON_PURGE_CACHE()						\
do {									\
    BEGIN_RING(2);							\
    OUT_RING(CP_PACKET0(RADEON_RB2D_DSTCACHE_CTLSTAT, 0));		\
    OUT_RING(RADEON_RB2D_DC_FLUSH_ALL);					\
    ADVANCE_RING();							\
} while (0)

#endif /* XF86DRI */

#endif /* _RADEON_H_ */