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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_accelfuncs.c,v 1.7tsi 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#if defined(ACCEL_MMIO) && defined(ACCEL_CP)
#error Cannot define both MMIO and CP acceleration!
#endif
#if !defined(UNIXCPP) || defined(ANSICPP)
#define FUNC_NAME_CAT(prefix,suffix) prefix##suffix
#else
#define FUNC_NAME_CAT(prefix,suffix) prefix/**/suffix
#endif
#ifdef ACCEL_MMIO
#define FUNC_NAME(prefix) FUNC_NAME_CAT(prefix,MMIO)
#else
#ifdef ACCEL_CP
#define FUNC_NAME(prefix) FUNC_NAME_CAT(prefix,CP)
#else
#error No accel type defined!
#endif
#endif
static void FUNC_NAME(RADEONInit3DEngine)(ScrnInfoPtr pScrn)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
ACCEL_PREAMBLE();
if (info->ChipFamily >= CHIP_FAMILY_R300) {
/* Unimplemented */
} else if ((info->ChipFamily == CHIP_FAMILY_RV250) ||
(info->ChipFamily == CHIP_FAMILY_RV280) ||
(info->ChipFamily == CHIP_FAMILY_RS300) ||
(info->ChipFamily == CHIP_FAMILY_R200)) {
BEGIN_ACCEL(7);
if (info->ChipFamily == CHIP_FAMILY_RS300) {
OUT_ACCEL_REG(R200_SE_VAP_CNTL_STATUS, RADEON_TCL_BYPASS);
} else {
OUT_ACCEL_REG(R200_SE_VAP_CNTL_STATUS, 0);
}
OUT_ACCEL_REG(R200_PP_CNTL_X, 0);
OUT_ACCEL_REG(R200_PP_TXMULTI_CTL_0, 0);
OUT_ACCEL_REG(R200_SE_VTX_STATE_CNTL, 0);
OUT_ACCEL_REG(R200_RE_CNTL, 0x0);
/* XXX: correct? Want it to be like RADEON_VTX_ST?_NONPARAMETRIC */
OUT_ACCEL_REG(R200_SE_VTE_CNTL, R200_VTX_ST_DENORMALIZED);
OUT_ACCEL_REG(R200_SE_VAP_CNTL, R200_VAP_FORCE_W_TO_ONE |
R200_VAP_VF_MAX_VTX_NUM);
FINISH_ACCEL();
} else {
BEGIN_ACCEL(2);
if ((info->ChipFamily == CHIP_FAMILY_RADEON) ||
(info->ChipFamily == CHIP_FAMILY_RV200))
OUT_ACCEL_REG(RADEON_SE_CNTL_STATUS, 0);
else
OUT_ACCEL_REG(RADEON_SE_CNTL_STATUS, RADEON_TCL_BYPASS);
OUT_ACCEL_REG(RADEON_SE_COORD_FMT,
RADEON_VTX_XY_PRE_MULT_1_OVER_W0 |
RADEON_VTX_ST0_NONPARAMETRIC |
RADEON_VTX_ST1_NONPARAMETRIC |
RADEON_TEX1_W_ROUTING_USE_W0);
FINISH_ACCEL();
}
BEGIN_ACCEL(5);
OUT_ACCEL_REG(RADEON_RE_TOP_LEFT, 0);
OUT_ACCEL_REG(RADEON_RE_WIDTH_HEIGHT, 0x07ff07ff);
OUT_ACCEL_REG(RADEON_AUX_SC_CNTL, 0);
OUT_ACCEL_REG(RADEON_RB3D_PLANEMASK, 0xffffffff);
OUT_ACCEL_REG(RADEON_SE_CNTL, RADEON_DIFFUSE_SHADE_GOURAUD |
RADEON_BFACE_SOLID |
RADEON_FFACE_SOLID |
RADEON_VTX_PIX_CENTER_OGL |
RADEON_ROUND_MODE_ROUND |
RADEON_ROUND_PREC_4TH_PIX);
FINISH_ACCEL();
}
/* MMIO:
*
* Wait for the graphics engine to be completely idle: the FIFO has
* drained, the Pixel Cache is flushed, and the engine is idle. This is
* a standard "sync" function that will make the hardware "quiescent".
*
* CP:
*
* Wait until the CP is completely idle: the FIFO has drained and the CP
* is idle.
*/
void FUNC_NAME(RADEONWaitForIdle)(ScrnInfoPtr pScrn)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
unsigned char *RADEONMMIO = info->MMIO;
int i = 0;
#ifdef ACCEL_CP
/* Make sure the CP is idle first */
if (info->CPStarted) {
int ret;
FLUSH_RING();
for (;;) {
do {
ret = drmCommandNone(info->drmFD, DRM_RADEON_CP_IDLE);
if (ret && ret != -EBUSY) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"%s: CP idle %d\n", __FUNCTION__, ret);
}
} while ((ret == -EBUSY) && (i++ < RADEON_TIMEOUT));
if (ret == 0) return;
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Idle timed out, resetting engine...\n");
RADEONEngineReset(pScrn);
RADEONEngineRestore(pScrn);
/* Always restart the engine when doing CP 2D acceleration */
RADEONCP_RESET(pScrn, info);
RADEONCP_START(pScrn, info);
}
}
#endif
#if 0
RADEONTRACE(("WaitForIdle (entering): %d entries, stat=0x%08x\n",
INREG(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK,
INREG(RADEON_RBBM_STATUS)));
#endif
/* Wait for the engine to go idle */
RADEONWaitForFifoFunction(pScrn, 64);
for (;;) {
for (i = 0; i < RADEON_TIMEOUT; i++) {
if (!(INREG(RADEON_RBBM_STATUS) & RADEON_RBBM_ACTIVE)) {
RADEONEngineFlush(pScrn);
return;
}
}
RADEONTRACE(("Idle timed out: %ld entries, stat=0x%08lx\n",
INREG(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK,
INREG(RADEON_RBBM_STATUS)));
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Idle timed out, resetting engine...\n");
RADEONEngineReset(pScrn);
RADEONEngineRestore(pScrn);
#ifdef XF86DRI
if (info->directRenderingEnabled) {
RADEONCP_RESET(pScrn, info);
RADEONCP_START(pScrn, info);
}
#endif
}
}
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