/*
* Copyright �2003 Eric Anholt
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Eric Anholt not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Eric Anholt makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#include "ati.h"
#include "ati_reg.h"
#if defined(USE_DRI) && defined(GLXEXT)
#include "ati_sarea.h"
#endif
static Bool ATIIsAGP(ATICardInfo *atic);
#define CAP_SERIESMASK 0xf
#define CAP_R128 0x1 /* If it's a Rage 128 */
#define CAP_R100 0x2 /* If it's an r100 series radeon. */
#define CAP_R200 0x3 /* If it's an r200 series radeon. */
#define CAP_R300 0x4 /* If it's an r300 series radeon. */
#define CAP_FEATURESMASK 0xf0
#define CAP_NOAGP 0x10 /* If it's a PCI-only card. */
struct pci_id_entry ati_pci_ids[] = {
{0x1002, 0x4136, 0x2, "ATI Radeon RS100"},
{0x1002, 0x4137, 0x2, "ATI Radeon RS200"},
{0x1002, 0x4237, 0x2, "ATI Radeon RS250"},
{0x1002, 0x4144, 0x4, "ATI Radeon R300 AD"},
{0x1002, 0x4145, 0x4, "ATI Radeon R300 AE"},
{0x1002, 0x4146, 0x4, "ATI Radeon R300 AF"},
{0x1002, 0x4147, 0x4, "ATI Radeon R300 AG"},
{0x1002, 0x4148, 0x4, "ATI Radeon R350 AH"},
{0x1002, 0x4149, 0x4, "ATI Radeon R350 AI"},
{0x1002, 0x414a, 0x4, "ATI Radeon R350 AJ"},
{0x1002, 0x414b, 0x4, "ATI Radeon R350 AK"},
{0x1002, 0x4150, 0x4, "ATI Radeon RV350 AP"},
{0x1002, 0x4151, 0x4, "ATI Radeon RV350 AQ"},
{0x1002, 0x4152, 0x4, "ATI Radeon RV350 AR"},
{0x1002, 0x4153, 0x4, "ATI Radeon RV350 AS"},
{0x1002, 0x4154, 0x4, "ATI Radeon RV350 AT"},
{0x1002, 0x4156, 0x4, "ATI Radeon RV350 AV"},
{0x1002, 0x4242, 0x3, "ATI Radeon R200 BB"},
{0x1002, 0x4243, 0x3, "ATI Radeon R200 BC"},
{0x1002, 0x4336, 0x2, "ATI Radeon RS100"},
{0x1002, 0x4337, 0x2, "ATI Radeon RS200"},
{0x1002, 0x4437, 0x2, "ATI Radeon RS250"},
{0x1002, 0x4964, 0x2, "ATI Radeon RV250 Id"},
{0x1002, 0x4965, 0x2, "ATI Radeon RV250 Ie"},
{0x1002, 0x4966, 0x2, "ATI Radeon RV250 If"},
{0x1002, 0x4967, 0x2, "ATI Radeon R250 Ig"},
{0x1002, 0x4c45, 0x11, "ATI Rage 128 LE"},
{0x1002, 0x4c46, 0x1, "ATI Rage 128 LF"},
{0x1002, 0x4c57, 0x2, "ATI Radeon Mobiliy M7 RV200 LW (7500)"},
{0x1002, 0x4c58, 0x2, "ATI Radeon Mobiliy M7 RV200 LX (7500)"},
{0x1002, 0x4c59, 0x2, "ATI Radeon Mobility M6 LY"},
{0x1002, 0x4c5a, 0x2, "ATI Radeon Mobility M6 LZ"},
{0x1002, 0x4c64, 0x3, "ATI Radeon RV250 Ld"},
{0x1002, 0x4c65, 0x3, "ATI Radeon RV250 Le"},
{0x1002, 0x4c66, 0x3, "ATI Radeon Mobility M9 RV250 Lf"},
{0x1002, 0x4c67, 0x3, "ATI Radeon RV250 Lg"},
{0x1002, 0x4d46, 0x1, "ATI Rage 128 MF"},
{0x1002, 0x4d46, 0x1, "ATI Rage 128 ML"},
{0x1002, 0x4e44, 0x4, "ATI Radeon R300 ND"},
{0x1002, 0x4e45, 0x4, "ATI Radeon R300 NE"},
{0x1002, 0x4e46, 0x4, "ATI Radeon R300 NF"},
{0x1002, 0x4e47, 0x4, "ATI Radeon R300 NG"},
{0x1002, 0x4e48, 0x4, "ATI Radeon R350 NH"},
{0x1002, 0x4e49, 0x4, "ATI Radeon R350 NI"},
{0x1002, 0x4e4a, 0x4, "ATI Radeon R350 NJ"},
{0x1002, 0x4e4b, 0x4, "ATI Radeon R350 NK"},
{0x1002, 0x4e50, 0x4, "ATI Radeon Mobility RV350 NP"},
{0x1002, 0x4e51, 0x4, "ATI Radeon Mobility RV350 NQ"},
{0x1002, 0x4e52, 0x4, "ATI Radeon Mobility RV350 NR"},
{0x1002, 0x4e53, 0x4, "ATI Radeon Mobility RV350 NS"},
{0x1002, 0x4e54, 0x4, "ATI Radeon Mobility RV350 NT"},
{0x1002, 0x4e56, 0x4, "ATI Radeon Mobility RV350 NV"},
{0x1002, 0x5041, 0x1, "ATI Rage 128 PA"},
{0x1002, 0x5042, 0x1, "ATI Rage 128 PB"},
{0x1002, 0x5043, 0x1, "ATI Rage 128 PC"},
{0x1002, 0x5044, 0x11, "ATI Rage 128 PD"},
{0x1002, 0x5045, 0x1, "ATI Rage 128 PE"},
{0x1002, 0x5046, 0x1, "ATI Rage 128 PF"},
{0x1002, 0x5047, 0x1, "ATI Rage 128 PG"},
{0x1002, 0x5048, 0x1, "ATI Rage 128 PH"},
{0x1002, 0x5049, 0x1, "ATI Rage 128 PI"},
{0x1002, 0x504a, 0x1, "ATI Rage 128 PJ"},
{0x1002, 0x504b, 0x1, "ATI Rage 128 PK"},
{0x1002, 0x504c, 0x1, "ATI Rage 128 PL"},
{0x1002, 0x504d, 0x1, "ATI Rage 128 PM"},
{0x1002, 0x504e, 0x1, "ATI Rage 128 PN"},
{0x1002, 0x504f, 0x1, "ATI Rage 128 PO"},
{0x1002, 0x5050, 0x11, "ATI Rage 128 PP"},
{0x1002, 0x5051, 0x1, "ATI Rage 128 PQ"},
{0x1002, 0x5052, 0x11, "ATI Rage 128 PR"},
{0x1002, 0x5053, 0x1, "ATI Rage 128 PS"},
{0x1002, 0x5054, 0x1, "ATI Rage 128 PT"},
{0x1002, 0x5055, 0x1, "ATI Rage 128 PU"},
{0x1002, 0x5056, 0x1, "ATI Rage 128 PV"},
{0x1002, 0x5057, 0x1, "ATI Rage 128 PW"},
{0x1002, 0x5058, 0x1, "ATI Rage 128 PX"},
{0x1002, 0x5144, 0x2, "ATI Radeon R100 QD"},
{0x1002, 0x5145, 0x2, "ATI Radeon R100 QE"},
{0x1002, 0x5146, 0x2, "ATI Radeon R100 QF"},
{0x1002, 0x5147, 0x2, "ATI Radeon R100 QG"},
{0x1002, 0x5148, 0x3, "ATI Radeon R200 QH"},
{0x1002, 0x514c, 0x3, "ATI Radeon R200 QL"},
{0x1002, 0x514d, 0x3, "ATI Radeon R200 QM"},
{0x1002, 0x5157, 0x2, "ATI Radeon RV200 QW (7500)"},
{0x1002, 0x5158, 0x2, "ATI Radeon RV200 QX (7500)"},
{0x1002, 0x5159, 0x2, "ATI Radeon RV100 QY"},
{0x1002, 0x515a, 0x2, "ATI Radeon RV100 QZ"},
{0x1002, 0x5245, 0x11, "ATI Rage 128 RE"},
{0x1002, 0x5246, 0x1, "ATI Rage 128 RF"},
{0x1002, 0x5247, 0x1, "ATI Rage 128 RG"},
{0x1002, 0x524b, 0x11, "ATI Rage 128 RK"},
{0x1002, 0x524c, 0x1, "ATI Rage 128 RL"},
{0x1002, 0x5345, 0x1, "ATI Rage 128 SE"},
{0x1002, 0x5346, 0x1, "ATI Rage 128 SF"},
{0x1002, 0x5347, 0x1, "ATI Rage 128 SG"},
{0x1002, 0x5348, 0x1, "ATI Rage 128 SH"},
{0x1002, 0x534b, 0x1, "ATI Rage 128 SK"},
{0x1002, 0x534c, 0x1, "ATI Rage 128 SL"},
{0x1002, 0x534d, 0x1, "ATI Rage 128 SM"},
{0x1002, 0x534e, 0x1, "ATI Rage 128 SN"},
{0x1002, 0x5446, 0x1, "ATI Rage 128 TF"},
{0x1002, 0x544c, 0x1, "ATI Rage 128 TL"},
{0x1002, 0x5452, 0x1, "ATI Rage 128 TR"},
{0x1002, 0x5453, 0x1, "ATI Rage 128 TS"},
{0x1002, 0x5454, 0x1, "ATI Rage 128 TT"},
{0x1002, 0x5455, 0x1, "ATI Rage 128 TU"},
{0x1002, 0x5834, 0x3, "ATI Radeon RS300"},
{0x1002, 0x5835, 0x3, "ATI Radeon RS300 Mobility"},
{0x1002, 0x5941, 0x3, "ATI Radeon RV280 (9200)"},
{0x1002, 0x5961, 0x3, "ATI Radeon RV280 (9200 SE)"},
{0x1002, 0x5964, 0x3, "ATI Radeon RV280 (9200 SE)"},
{0x1002, 0x5c60, 0x3, "ATI Radeon RV280"},
{0x1002, 0x5c61, 0x3, "ATI Radeon RV280 Mobility"},
{0x1002, 0x5c62, 0x3, "ATI Radeon RV280"},
{0x1002, 0x5c63, 0x3, "ATI Radeon RV280 Mobility"},
{0x1002, 0x5c64, 0x3, "ATI Radeon RV280"},
{0, 0, 0, NULL}
};
static char *
make_busid(KdCardAttr *attr)
{
char *busid;
busid = xalloc(20);
if (busid == NULL)
return NULL;
snprintf(busid, 20, "pci:%04x:%02x:%02x.%d", attr->domain, attr->bus,
attr->slot, attr->func);
return busid;
}
static Bool
ATICardInit(KdCardInfo *card)
{
ATICardInfo *atic;
int i;
Bool initialized = FALSE;
atic = xcalloc(sizeof(ATICardInfo), 1);
if (atic == NULL)
return FALSE;
#ifdef KDRIVEFBDEV
if (!initialized && fbdevInitialize(card, &atic->backend_priv.fbdev)) {
atic->use_fbdev = TRUE;
initialized = TRUE;
atic->backend_funcs.cardfini = fbdevCardFini;
atic->backend_funcs.scrfini = fbdevScreenFini;
atic->backend_funcs.initScreen = fbdevInitScreen;
atic->backend_funcs.finishInitScreen = fbdevFinishInitScreen;
atic->backend_funcs.createRes = fbdevCreateResources;
atic->backend_funcs.preserve = fbdevPreserve;
atic->backend_funcs.restore = fbdevRestore;
atic->backend_funcs.dpms = fbdevDPMS;
atic->backend_funcs.enable = fbdevEnable;
atic->backend_funcs.disable = fbdevDisable;
atic->backend_funcs.getColors = fbdevGetColors;
atic->backend_funcs.putColors = fbdevPutColors;
#ifdef RANDR
atic->backend_funcs.randrSetConfig = fbdevRandRSetConfig;
#endif
}
#endif
#ifdef KDRIVEVESA
if (!initialized && vesaInitialize(card, &atic->backend_priv.vesa)) {
atic->use_vesa = TRUE;
initialized = TRUE;
atic->backend_funcs.cardfini = vesaCardFini;
atic->backend_funcs.scrfini = vesaScreenFini;
atic->backend_funcs.initScreen = vesaInitScreen;
atic->backend_funcs.finishInitScreen = vesaFinishInitScreen;
atic->backend_funcs.createRes = vesaCreateResources;
atic->backend_funcs.preserve = vesaPreserve;
atic->backend_funcs.restore = vesaRestore;
atic->backend_funcs.dpms = vesaDPMS;
atic->backend_funcs.enable = vesaEnable;
atic->backend_funcs.disable = vesaDisable;
atic->backend_funcs.getColors = vesaGetColors;
atic->backend_funcs.putColors = vesaPutColors;
#ifdef RANDR
atic->backend_funcs.randrSetConfig = vesaRandRSetConfig;
#endif
}
#endif
if (!initialized || !ATIMapReg(card, atic)) {
xfree(atic);
return FALSE;
}
atic->busid = make_busid(&card->attr);
if (atic->busid == NULL) {
xfree(atic);
return FALSE;
}
#ifdef USE_DRI
/* We demand identification by busid, not driver name */
atic->drmFd = drmOpen(NULL, atic->busid);
if (atic->drmFd < 0)
ErrorF("Failed to open DRM, DRI disabled.\n");
#endif /* USE_DRI */
card->driver = atic;
for (i = 0; ati_pci_ids[i].name != NULL; i++) {
if (ati_pci_ids[i].device == card->attr.deviceID) {
atic->pci_id = &ati_pci_ids[i];
break;
}
}
if ((atic->pci_id->caps & CAP_SERIESMASK) != CAP_R128)
atic->is_radeon = TRUE;
if ((atic->pci_id->caps & CAP_SERIESMASK) == CAP_R100)
atic->is_r100 = TRUE;
if ((atic->pci_id->caps & CAP_SERIESMASK) == CAP_R200)
atic->is_r200 = TRUE;
if ((atic->pci_id->caps & CAP_SERIESMASK) == CAP_R300)
atic->is_r300 = TRUE;
atic->is_agp = ATIIsAGP(atic);
ErrorF("Using ATI card: %s (%s) at %s\n", atic->pci_id->name,
atic->is_agp ? "AGP" : "PCI", atic->busid);
return TRUE;
}
static void
ATICardFini(KdCardInfo *card)
{
ATICardInfo *atic = (ATICardInfo *)card->driver;
ATIUnmapReg(card, atic);
atic->backend_funcs.cardfini(card);
}
/*
* Once screen->off_screen_base is set, this function
* allocates the remaining memory appropriately
*/
static void
ATISetOffscreen (KdScreenInfo *screen)
{
ATICardInfo(screen);
#if defined(USE_DRI) && defined(GLXEXT)
ATIScreenInfo *atis = (ATIScreenInfo *)screen->driver;
int l;
#endif
int screen_size;
char *mmio = atic->reg_base;
/* check (and adjust) pitch */
if (mmio)
{
int byteStride = screen->fb[0].byteStride;
int bitStride;
int pixelStride;
int bpp = screen->fb[0].bitsPerPixel;
/*
* Ensure frame buffer is correctly aligned
*/
if (byteStride & 0x3f)
{
byteStride = (byteStride + 0x3f) & ~0x3f;
bitStride = byteStride * 8;
pixelStride = bitStride / bpp;
screen->fb[0].byteStride = byteStride;
screen->fb[0].pixelStride = pixelStride;
}
}
screen_size = screen->fb[0].byteStride * screen->height;
screen->off_screen_base = screen_size;
#if defined(USE_DRI) && defined(GLXEXT)
/* Reserve a static area for the back buffer the same size as the
* visible screen. XXX: This would be better initialized in ati_dri.c
* when GLX is set up, but the offscreen memory manager's allocations
* don't last through VT switches, while the kernel's understanding of
* offscreen locations does.
*/
atis->frontOffset = 0;
atis->frontPitch = screen->fb[0].byteStride;
if (screen->off_screen_base + screen_size <= screen->memory_size) {
atis->backOffset = screen->off_screen_base;
atis->backPitch = screen->fb[0].byteStride;
screen->off_screen_base += screen_size;
}
/* Reserve the depth span for Rage 128 */
if (!atic->is_radeon && screen->off_screen_base +
screen->fb[0].byteStride <= screen->memory_size) {
atis->spanOffset = screen->off_screen_base;
screen->off_screen_base += screen->fb[0].byteStride;
}
/* Reserve the static depth buffer, which happens to be the same
* bitsPerPixel as the screen.
*/
if (screen->off_screen_base + screen_size <= screen->memory_size) {
atis->depthOffset = screen->off_screen_base;
atis->depthPitch = screen->fb[0].byteStride;
screen->off_screen_base += screen_size;
}
/* Reserve approx. half of remaining offscreen memory for local
* textures. Round down to a whole number of texture regions.
*/
atis->textureSize = (screen->memory_size - screen->off_screen_base) / 2;
l = ATILog2(atis->textureSize / ATI_NR_TEX_REGIONS);
if (l < ATI_LOG_TEX_GRANULARITY)
l = ATI_LOG_TEX_GRANULARITY;
atis->textureSize = (atis->textureSize >> l) << l;
if (atis->textureSize >= 512 * 1024) {
atis->textureOffset = screen->off_screen_base;
screen->off_screen_base += atis->textureSize;
} else {
/* Minimum texture size is for 2 256x256x32bpp textures */
atis->textureSize = 0;
}
#endif /* USE_DRI && GLXEXT */
}
static void
ATISetPitch (KdScreenInfo *screen)
{
ATICardInfo(screen);
#if defined(USE_DRI) && defined(GLXEXT)
ATIScreenInfo *atis = (ATIScreenInfo *)screen->driver;
int l;
#endif
char *mmio = atic->reg_base;
/* check (and adjust) pitch for radeon */
if (mmio)
{
int byteStride = screen->fb[0].byteStride;
int bitStride;
int pixelStride;
int bpp = screen->fb[0].bitsPerPixel;
CARD32 crtc_pitch;
CARD32 crtc2_pitch;
#if 0
CARD32 crtc_ext_cntl;
CARD32 dac_cntl;
#endif
bitStride = byteStride * 8;
pixelStride = bitStride / bpp;
crtc_pitch = (pixelStride >> 3);
crtc_pitch |= crtc_pitch << 16;
crtc2_pitch = (pixelStride >> 3);
crtc2_pitch |= crtc2_pitch << 16;
#if 0
crtc_ext_cntl = MMIO_IN32 (mmio, ATI_REG_CRTC_EXT_CNTL);
dac_cntl = MMIO_IN32 (mmio, ATI_REG_DAC_CNTL);
/* Turn off the screen */
MMIO_OUT32 (mmio, ATI_REG_CRTC_EXT_CNTL,
crtc_ext_cntl |
ATI_CRTC_VSYNC_DIS |
ATI_CRTC_HSYNC_DIS |
ATI_CRTC_DISPLAY_DIS);
MMIO_OUT32 (mmio, ATI_REG_DAC_CNTL,
dac_cntl |
ATI_DAC_RANGE_CNTL |
ATI_DAC_BLANKING);
#endif
MMIO_OUT32 (mmio, ATI_REG_CRTC_PITCH, crtc_pitch);
MMIO_OUT32 (mmio, ATI_REG_CRTC2_PITCH, crtc2_pitch);
#if 0
/* Turn the screen back on */
MMIO_OUT32 (mmio, ATI_REG_CRTC_EXT_CNTL,
crtc_ext_cntl);
MMIO_OUT32 (mmio, ATI_REG_DAC_CNTL,
dac_cntl);
#endif
}
}
static Bool
ATIScreenInit(KdScreenInfo *screen)
{
ATIScreenInfo *atis;
ATICardInfo(screen);
Bool success = FALSE;
atis = xcalloc(sizeof(ATIScreenInfo), 1);
if (atis == NULL)
return FALSE;
atis->atic = atic;
atis->screen = screen;
screen->driver = atis;
if (screen->fb[0].depth == 0)
screen->fb[0].depth = 16;
#ifdef KDRIVEFBDEV
if (atic->use_fbdev) {
success = fbdevScreenInitialize(screen,
&atis->backend_priv.fbdev);
}
#endif
#ifdef KDRIVEVESA
if (atic->use_vesa) {
success = vesaScreenInitialize(screen,
&atis->backend_priv.vesa);
}
#endif
if (!success) {
screen->driver = NULL;
xfree(atis);
return FALSE;
}
ATISetOffscreen (screen);
return TRUE;
}
#ifdef RANDR
static Bool
ATIRandRSetConfig (ScreenPtr pScreen,
Rotation randr,
int rate,
RRScreenSizePtr pSize)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
ATICardInfo *atic = screen->card->driver;
Bool ret;
ATIDrawDisable (pScreen);
ret = atic->backend_funcs.randrSetConfig(pScreen, randr, rate, pSize);
ATISetOffscreen (screen);
ATISetPitch (screen);
/*
* Set frame buffer mapping
*/
(*pScreen->ModifyPixmapHeader) (fbGetScreenPixmap (pScreen),
pScreen->width,
pScreen->height,
screen->fb[0].depth,
screen->fb[0].bitsPerPixel,
screen->fb[0].byteStride,
screen->fb[0].frameBuffer);
ATIDrawEnable (pScreen);
return ret;
}
static Bool
ATIRandRInit (ScreenPtr pScreen)
{
rrScrPrivPtr pScrPriv;
pScrPriv = rrGetScrPriv(pScreen);
pScrPriv->rrSetConfig = ATIRandRSetConfig;
return TRUE;
}
#endif
static void
ATIScreenFini(KdScreenInfo *screen)
{
ATIScreenInfo *atis = (ATIScreenInfo *)screen->driver;
ATICardInfo *atic = screen->card->driver;
#ifdef XV
ATIFiniVideo(screen->pScreen);
#endif
atic->backend_funcs.scrfini(screen);
xfree(atis);
screen->driver = 0;
}
Bool
ATIMapReg(KdCardInfo *card, ATICardInfo *atic)
{
atic->reg_base = (char *)KdMapDevice(ATI_REG_BASE(card),
ATI_REG_SIZE(card));
if (atic->reg_base == NULL)
return FALSE;
KdSetMappedMode(ATI_REG_BASE(card), ATI_REG_SIZE(card),
KD_MAPPED_MODE_REGISTERS);
return TRUE;
}
void
ATIUnmapReg(KdCardInfo *card, ATICardInfo *atic)
{
if (atic->reg_base) {
KdResetMappedMode(ATI_REG_BASE(card), ATI_REG_SIZE(card),
KD_MAPPED_MODE_REGISTERS);
KdUnmapDevice((void *)atic->reg_base, ATI_REG_SIZE(card));
atic->reg_base = 0;
}
}
static Bool
ATIInitScreen(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATICardInfo(pScreenPriv);
#ifdef XV
ATIInitVideo(pScreen);
#endif
return atic->backend_funcs.initScreen(pScreen);
}
static Bool
ATIFinishInitScreen(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATICardInfo(pScreenPriv);
if (!atic->backend_funcs.finishInitScreen(pScreen))
return FALSE;
#ifdef RANDR
if (!ATIRandRInit (pScreen))
return FALSE;
#endif
return TRUE;
}
static Bool
ATICreateResources(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATICardInfo(pScreenPriv);
return atic->backend_funcs.createRes(pScreen);
}
static void
ATIPreserve(KdCardInfo *card)
{
ATICardInfo *atic = card->driver;
char *mmio = atic->reg_base;
atic->backend_funcs.preserve(card);
if (atic->is_radeon && mmio)
{
atic->crtc_pitch = MMIO_IN32(mmio, ATI_REG_CRTC_PITCH);
atic->crtc2_pitch = MMIO_IN32(mmio, ATI_REG_CRTC2_PITCH);
}
}
static void
ATIRestore(KdCardInfo *card)
{
ATICardInfo *atic = card->driver;
char *mmio = atic->reg_base;
if (mmio)
{
MMIO_OUT32(mmio, ATI_REG_CRTC_PITCH, atic->crtc_pitch);
MMIO_OUT32(mmio, ATI_REG_CRTC2_PITCH, atic->crtc2_pitch);
}
ATIUnmapReg(card, atic);
atic->backend_funcs.restore(card);
}
static Bool
ATIDPMS(ScreenPtr pScreen, int mode)
{
KdScreenPriv(pScreen);
ATICardInfo(pScreenPriv);
return atic->backend_funcs.dpms(pScreen, mode);
}
static Bool
ATIEnable(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
ATICardInfo(pScreenPriv);
if (!atic->backend_funcs.enable(pScreen))
return FALSE;
if ((atic->reg_base == NULL) && !ATIMapReg(pScreenPriv->screen->card,
atic))
return FALSE;
ATISetOffscreen (pScreenPriv->screen);
ATISetPitch (pScreenPriv->screen);
return TRUE;
}
static void
ATIDisable(ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
#if defined(USE_DRI) && defined(GLXEXT)
ATIScreenInfo(pScreenPriv);
#endif /* USE_DRI && GLXEXT */
ATICardInfo(pScreenPriv);
ATIUnmapReg(pScreenPriv->card, atic);
atic->backend_funcs.disable(pScreen);
}
static void
ATIGetColors(ScreenPtr pScreen, int fb, int n, xColorItem *pdefs)
{
KdScreenPriv(pScreen);
ATICardInfo(pScreenPriv);
atic->backend_funcs.getColors(pScreen, fb, n, pdefs);
}
static void
ATIPutColors(ScreenPtr pScreen, int fb, int n, xColorItem *pdefs)
{
KdScreenPriv(pScreen);
ATICardInfo(pScreenPriv);
atic->backend_funcs.putColors(pScreen, fb, n, pdefs);
}
/* Compute log base 2 of val. */
int
ATILog2(int val)
{
int bits;
for (bits = 0; val != 0; val >>= 1, ++bits)
;
return bits - 1;
}
static Bool
ATIIsAGP(ATICardInfo *atic)
{
char *mmio = atic->reg_base;
CARD32 cap_ptr, cap_id;
if (mmio == NULL)
return FALSE;
if (MMIO_IN32(mmio, ATI_REG_PCI_CFG_STATUS) & ATI_CAP_LIST) {
cap_ptr = MMIO_IN32(mmio, ATI_REG_PCI_CFG_CAPABILITIES_PTR) &
ATI_CAP_PTR_MASK;
while (cap_ptr != ATI_CAP_ID_NULL) {
cap_id = MMIO_IN32(mmio, ATI_PCI_CFG_OFFSET + cap_ptr);
if ((cap_id & 0xff) == ATI_CAP_ID_AGP)
return TRUE;
cap_ptr = (cap_id >> 8) & ATI_CAP_PTR_MASK;
}
}
return FALSE;
}
/* This function is required to work around a hardware bug in some (all?)
* revisions of the R300. This workaround should be called after every
* CLOCK_CNTL_INDEX register access. If not, register reads afterward
* may not be correct.
*/
void R300CGWorkaround(ATIScreenInfo *atis) {
ATICardInfo *atic = atis->atic;
char *mmio = atic->reg_base;
CARD32 save;
save = MMIO_IN32(mmio, ATI_REG_CLOCK_CNTL_INDEX);
MMIO_OUT32(mmio, ATI_REG_CLOCK_CNTL_INDEX, save & ~(0x3f |
ATI_PLL_WR_EN));
MMIO_IN32(mmio, ATI_REG_CLOCK_CNTL_INDEX);
MMIO_OUT32(mmio, ATI_REG_CLOCK_CNTL_INDEX, save);
}
KdCardFuncs ATIFuncs = {
ATICardInit, /* cardinit */
ATIScreenInit, /* scrinit */
ATIInitScreen, /* initScreen */
ATIFinishInitScreen, /* finishInitScreen */
ATICreateResources, /* createRes */
ATIPreserve, /* preserve */
ATIEnable, /* enable */
ATIDPMS, /* dpms */
ATIDisable, /* disable */
ATIRestore, /* restore */
ATIScreenFini, /* scrfini */
ATICardFini, /* cardfini */
ATICursorInit, /* initCursor */
ATICursorEnable, /* enableCursor */
ATICursorDisable, /* disableCursor */
ATICursorFini, /* finiCursor */
ATIRecolorCursor, /* recolorCursor */
ATIDrawInit, /* initAccel */
ATIDrawEnable, /* enableAccel */
ATIDrawDisable, /* disableAccel */
ATIDrawFini, /* finiAccel */
ATIGetColors, /* getColors */
ATIPutColors, /* putColors */
};
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