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-rw-r--r--src/legacy_crtc.c1268
1 files changed, 1268 insertions, 0 deletions
diff --git a/src/legacy_crtc.c b/src/legacy_crtc.c
new file mode 100644
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--- /dev/null
+++ b/src/legacy_crtc.c
@@ -0,0 +1,1268 @@
+/*
+ * 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
+
+#include <string.h>
+#include <stdio.h>
+
+/* X and server generic header files */
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include "vgaHW.h"
+#include "xf86Modes.h"
+
+/* Driver data structures */
+#include "radeon.h"
+#include "radeon_reg.h"
+#include "radeon_macros.h"
+#include "radeon_probe.h"
+#include "radeon_version.h"
+
+#ifdef XF86DRI
+#define _XF86DRI_SERVER_
+#include "radeon_dri.h"
+#include "radeon_sarea.h"
+#include "sarea.h"
+#endif
+
+
+void
+legacy_crtc_dpms(xf86CrtcPtr crtc, int mode)
+{
+ int mask;
+ ScrnInfoPtr pScrn = crtc->scrn;
+ RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private;
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+ unsigned char *RADEONMMIO = info->MMIO;
+
+ mask = radeon_crtc->crtc_id ? (RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_VSYNC_DIS | RADEON_CRTC2_HSYNC_DIS | RADEON_CRTC2_DISP_REQ_EN_B) : (RADEON_CRTC_DISPLAY_DIS | RADEON_CRTC_HSYNC_DIS | RADEON_CRTC_VSYNC_DIS);
+
+
+ switch(mode) {
+ case DPMSModeOn:
+ if (radeon_crtc->crtc_id) {
+ OUTREGP(RADEON_CRTC2_GEN_CNTL, 0, ~mask);
+ } else {
+ OUTREGP(RADEON_CRTC_GEN_CNTL, 0, ~RADEON_CRTC_DISP_REQ_EN_B);
+ OUTREGP(RADEON_CRTC_EXT_CNTL, 0, ~mask);
+ }
+ break;
+ case DPMSModeStandby:
+ if (radeon_crtc->crtc_id) {
+ OUTREGP(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_HSYNC_DIS), ~mask);
+ } else {
+ OUTREGP(RADEON_CRTC_GEN_CNTL, 0, ~RADEON_CRTC_DISP_REQ_EN_B);
+ OUTREGP(RADEON_CRTC_EXT_CNTL, (RADEON_CRTC_DISPLAY_DIS | RADEON_CRTC_HSYNC_DIS), ~mask);
+ }
+ break;
+ case DPMSModeSuspend:
+ if (radeon_crtc->crtc_id) {
+ OUTREGP(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_VSYNC_DIS), ~mask);
+ } else {
+ OUTREGP(RADEON_CRTC_GEN_CNTL, 0, ~RADEON_CRTC_DISP_REQ_EN_B);
+ OUTREGP(RADEON_CRTC_EXT_CNTL, (RADEON_CRTC_DISPLAY_DIS | RADEON_CRTC_VSYNC_DIS), ~mask);
+ }
+ break;
+ case DPMSModeOff:
+ if (radeon_crtc->crtc_id) {
+ OUTREGP(RADEON_CRTC2_GEN_CNTL, mask, ~mask);
+ } else {
+ OUTREGP(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B, ~RADEON_CRTC_DISP_REQ_EN_B);
+ OUTREGP(RADEON_CRTC_EXT_CNTL, mask, ~mask);
+ }
+ break;
+ }
+
+ if (mode != DPMSModeOff)
+ radeon_crtc_load_lut(crtc);
+}
+
+
+/* Define common registers for requested video mode */
+static void
+RADEONInitCommonRegisters(RADEONSavePtr save, RADEONInfoPtr info)
+{
+ save->ovr_clr = 0;
+ save->ovr_wid_left_right = 0;
+ save->ovr_wid_top_bottom = 0;
+ save->ov0_scale_cntl = 0;
+ save->subpic_cntl = 0;
+ save->viph_control = 0;
+ save->i2c_cntl_1 = 0;
+ save->rbbm_soft_reset = 0;
+ save->cap0_trig_cntl = 0;
+ save->cap1_trig_cntl = 0;
+ save->bus_cntl = info->BusCntl;
+ /*
+ * If bursts are enabled, turn on discards
+ * Radeon doesn't have write bursts
+ */
+ if (save->bus_cntl & (RADEON_BUS_READ_BURST))
+ save->bus_cntl |= RADEON_BUS_RD_DISCARD_EN;
+}
+
+static void
+RADEONInitSurfaceCntl(xf86CrtcPtr crtc, RADEONSavePtr save)
+{
+ save->surface_cntl = 0;
+
+#if X_BYTE_ORDER == X_BIG_ENDIAN
+ /* We must set both apertures as they can be both used to map the entire
+ * video memory. -BenH.
+ */
+ switch (crtc->scrn->bitsPerPixel) {
+ case 16:
+ save->surface_cntl |= RADEON_NONSURF_AP0_SWP_16BPP;
+ save->surface_cntl |= RADEON_NONSURF_AP1_SWP_16BPP;
+ break;
+
+ case 32:
+ save->surface_cntl |= RADEON_NONSURF_AP0_SWP_32BPP;
+ save->surface_cntl |= RADEON_NONSURF_AP1_SWP_32BPP;
+ break;
+ }
+#endif
+
+}
+
+
+static Bool
+RADEONInitCrtcBase(xf86CrtcPtr crtc, RADEONSavePtr save,
+ int x, int y)
+{
+ ScrnInfoPtr pScrn = crtc->scrn;
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+ int Base;
+#ifdef XF86DRI
+ RADEONSAREAPrivPtr pSAREAPriv;
+ XF86DRISAREAPtr pSAREA;
+#endif
+
+ save->crtc_offset = pScrn->fbOffset;
+#ifdef XF86DRI
+ if (info->allowPageFlip)
+ save->crtc_offset_cntl = RADEON_CRTC_OFFSET_FLIP_CNTL;
+ else
+#endif
+ save->crtc_offset_cntl = 0;
+
+ if (info->tilingEnabled && (crtc->rotatedData == NULL)) {
+ if (IS_R300_VARIANT)
+ save->crtc_offset_cntl |= (R300_CRTC_X_Y_MODE_EN |
+ R300_CRTC_MICRO_TILE_BUFFER_DIS |
+ R300_CRTC_MACRO_TILE_EN);
+ else
+ save->crtc_offset_cntl |= RADEON_CRTC_TILE_EN;
+ }
+ else {
+ if (IS_R300_VARIANT)
+ save->crtc_offset_cntl &= ~(R300_CRTC_X_Y_MODE_EN |
+ R300_CRTC_MICRO_TILE_BUFFER_DIS |
+ R300_CRTC_MACRO_TILE_EN);
+ else
+ save->crtc_offset_cntl &= ~RADEON_CRTC_TILE_EN;
+ }
+
+ Base = pScrn->fbOffset;
+
+ if (info->tilingEnabled && (crtc->rotatedData == NULL)) {
+ if (IS_R300_VARIANT) {
+ /* On r300/r400 when tiling is enabled crtc_offset is set to the address of
+ * the surface. the x/y offsets are handled by the X_Y tile reg for each crtc
+ * Makes tiling MUCH easier.
+ */
+ save->crtc_tile_x0_y0 = x | (y << 16);
+ Base &= ~0x7ff;
+ } else {
+ /* note we cannot really simply use the info->ModeReg.crtc_offset_cntl value, since the
+ drm might have set FLIP_CNTL since we wrote that. Unfortunately FLIP_CNTL causes
+ flickering when scrolling vertically in a virtual screen, possibly because crtc will
+ pick up the new offset value at the end of each scanline, but the new offset_cntl value
+ only after a vsync. We'd probably need to wait (in drm) for vsync and only then update
+ OFFSET and OFFSET_CNTL, if the y coord has changed. Seems hard to fix. */
+ /*save->crtc_offset_cntl = INREG(RADEON_CRTC_OFFSET_CNTL) & ~0xf;*/
+#if 0
+ /* try to get rid of flickering when scrolling at least for 2d */
+#ifdef XF86DRI
+ if (!info->have3DWindows)
+#endif
+ save->crtc_offset_cntl &= ~RADEON_CRTC_OFFSET_FLIP_CNTL;
+#endif
+
+ int byteshift = info->CurrentLayout.bitsPerPixel >> 4;
+ /* crtc uses 256(bytes)x8 "half-tile" start addresses? */
+ int tile_addr = (((y >> 3) * info->CurrentLayout.displayWidth + x) >> (8 - byteshift)) << 11;
+ Base += tile_addr + ((x << byteshift) % 256) + ((y % 8) << 8);
+ save->crtc_offset_cntl = save->crtc_offset_cntl | (y % 16);
+ }
+ }
+ else {
+ int offset = y * info->CurrentLayout.displayWidth + x;
+ switch (info->CurrentLayout.pixel_code) {
+ case 15:
+ case 16: offset *= 2; break;
+ case 24: offset *= 3; break;
+ case 32: offset *= 4; break;
+ }
+ Base += offset;
+ }
+
+ if (crtc->rotatedData != NULL) {
+ Base = pScrn->fbOffset + (char *)crtc->rotatedData - (char *)info->FB;
+ }
+
+ Base &= ~7; /* 3 lower bits are always 0 */
+
+
+#ifdef XF86DRI
+ if (info->directRenderingInited) {
+ /* note cannot use pScrn->pScreen since this is unitialized when called from
+ RADEONScreenInit, and we need to call from there to get mergedfb + pageflip working */
+ /*** NOTE: r3/4xx will need sarea and drm pageflip updates to handle the xytile regs for
+ *** pageflipping!
+ ***/
+ pSAREAPriv = DRIGetSAREAPrivate(screenInfo.screens[pScrn->scrnIndex]);
+ /* can't get at sarea in a semi-sane way? */
+ pSAREA = (void *)((char*)pSAREAPriv - sizeof(XF86DRISAREARec));
+
+ pSAREA->frame.x = (Base / info->CurrentLayout.pixel_bytes)
+ % info->CurrentLayout.displayWidth;
+ pSAREA->frame.y = (Base / info->CurrentLayout.pixel_bytes)
+ / info->CurrentLayout.displayWidth;
+ pSAREA->frame.width = pScrn->frameX1 - x + 1;
+ pSAREA->frame.height = pScrn->frameY1 - y + 1;
+
+ if (pSAREAPriv->pfCurrentPage == 1) {
+ Base += info->backOffset - info->frontOffset;
+ }
+ }
+#endif
+ save->crtc_offset = Base;
+
+ return TRUE;
+
+}
+
+/* Define CRTC registers for requested video mode */
+static Bool
+RADEONInitCrtcRegisters(xf86CrtcPtr crtc, RADEONSavePtr save,
+ DisplayModePtr mode)
+{
+ ScrnInfoPtr pScrn = crtc->scrn;
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+ int format;
+ int hsync_start;
+ int hsync_wid;
+ int vsync_wid;
+
+ switch (info->CurrentLayout.pixel_code) {
+ case 4: format = 1; break;
+ case 8: format = 2; break;
+ case 15: format = 3; break; /* 555 */
+ case 16: format = 4; break; /* 565 */
+ case 24: format = 5; break; /* RGB */
+ case 32: format = 6; break; /* xRGB */
+ default:
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "Unsupported pixel depth (%d)\n",
+ info->CurrentLayout.bitsPerPixel);
+ return FALSE;
+ }
+
+ /*save->bios_4_scratch = info->SavedReg->bios_4_scratch;*/
+ save->crtc_gen_cntl = (RADEON_CRTC_EXT_DISP_EN
+ | RADEON_CRTC_EN
+ | (format << 8)
+ | ((mode->Flags & V_DBLSCAN)
+ ? RADEON_CRTC_DBL_SCAN_EN
+ : 0)
+ | ((mode->Flags & V_CSYNC)
+ ? RADEON_CRTC_CSYNC_EN
+ : 0)
+ | ((mode->Flags & V_INTERLACE)
+ ? RADEON_CRTC_INTERLACE_EN
+ : 0));
+
+ save->crtc_ext_cntl |= (RADEON_XCRT_CNT_EN|
+ RADEON_CRTC_VSYNC_DIS |
+ RADEON_CRTC_HSYNC_DIS |
+ RADEON_CRTC_DISPLAY_DIS);
+
+ save->disp_merge_cntl = info->SavedReg->disp_merge_cntl;
+ save->disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
+
+ save->crtc_more_cntl = 0;
+ if ((info->ChipFamily == CHIP_FAMILY_RS100) ||
+ (info->ChipFamily == CHIP_FAMILY_RS200)) {
+ /* This is to workaround the asic bug for RMX, some versions
+ of BIOS dosen't have this register initialized correctly.
+ */
+ save->crtc_more_cntl |= RADEON_CRTC_H_CUTOFF_ACTIVE_EN;
+ }
+
+ save->crtc_h_total_disp = ((((mode->CrtcHTotal / 8) - 1) & 0x3ff)
+ | ((((mode->CrtcHDisplay / 8) - 1) & 0x1ff)
+ << 16));
+
+ hsync_wid = (mode->CrtcHSyncEnd - mode->CrtcHSyncStart) / 8;
+ if (!hsync_wid) hsync_wid = 1;
+ hsync_start = mode->CrtcHSyncStart - 8;
+
+ save->crtc_h_sync_strt_wid = ((hsync_start & 0x1fff)
+ | ((hsync_wid & 0x3f) << 16)
+ | ((mode->Flags & V_NHSYNC)
+ ? RADEON_CRTC_H_SYNC_POL
+ : 0));
+
+ /* This works for double scan mode. */
+ save->crtc_v_total_disp = (((mode->CrtcVTotal - 1) & 0xffff)
+ | ((mode->CrtcVDisplay - 1) << 16));
+
+ vsync_wid = mode->CrtcVSyncEnd - mode->CrtcVSyncStart;
+ if (!vsync_wid) vsync_wid = 1;
+
+ save->crtc_v_sync_strt_wid = (((mode->CrtcVSyncStart - 1) & 0xfff)
+ | ((vsync_wid & 0x1f) << 16)
+ | ((mode->Flags & V_NVSYNC)
+ ? RADEON_CRTC_V_SYNC_POL
+ : 0));
+
+ save->crtc_pitch = (((pScrn->displayWidth * pScrn->bitsPerPixel) +
+ ((pScrn->bitsPerPixel * 8) -1)) /
+ (pScrn->bitsPerPixel * 8));
+ save->crtc_pitch |= save->crtc_pitch << 16;
+
+ save->fp_h_sync_strt_wid = save->crtc_h_sync_strt_wid;
+ save->fp_v_sync_strt_wid = save->crtc_v_sync_strt_wid;
+ save->fp_crtc_h_total_disp = save->crtc_h_total_disp;
+ save->fp_crtc_v_total_disp = save->crtc_v_total_disp;
+
+ if (info->IsDellServer) {
+ save->dac2_cntl = info->SavedReg->dac2_cntl;
+ save->tv_dac_cntl = info->SavedReg->tv_dac_cntl;
+ save->crtc2_gen_cntl = info->SavedReg->crtc2_gen_cntl;
+ save->disp_hw_debug = info->SavedReg->disp_hw_debug;
+
+ save->dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
+ save->dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
+
+ /* For CRT on DAC2, don't turn it on if BIOS didn't
+ enable it, even it's detected.
+ */
+ save->disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
+ save->tv_dac_cntl &= ~((1<<2) | (3<<8) | (7<<24) | (0xff<<16));
+ save->tv_dac_cntl |= (0x03 | (2<<8) | (0x58<<16));
+ }
+
+ return TRUE;
+}
+
+
+static Bool
+RADEONInitCrtc2Base(xf86CrtcPtr crtc, RADEONSavePtr save,
+ int x, int y)
+{
+ ScrnInfoPtr pScrn = crtc->scrn;
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+ int Base;
+#ifdef XF86DRI
+ RADEONSAREAPrivPtr pSAREAPriv;
+ XF86DRISAREAPtr pSAREA;
+#endif
+
+ /* It seems all fancy options apart from pflip can be safely disabled
+ */
+ save->crtc2_offset = pScrn->fbOffset;
+#ifdef XF86DRI
+ if (info->allowPageFlip)
+ save->crtc2_offset_cntl = RADEON_CRTC_OFFSET_FLIP_CNTL;
+ else
+#endif
+ save->crtc2_offset_cntl = 0;
+
+ if (info->tilingEnabled && (crtc->rotatedData == NULL)) {
+ if (IS_R300_VARIANT)
+ save->crtc2_offset_cntl |= (R300_CRTC_X_Y_MODE_EN |
+ R300_CRTC_MICRO_TILE_BUFFER_DIS |
+ R300_CRTC_MACRO_TILE_EN);
+ else
+ save->crtc2_offset_cntl |= RADEON_CRTC_TILE_EN;
+ }
+ else {
+ if (IS_R300_VARIANT)
+ save->crtc2_offset_cntl &= ~(R300_CRTC_X_Y_MODE_EN |
+ R300_CRTC_MICRO_TILE_BUFFER_DIS |
+ R300_CRTC_MACRO_TILE_EN);
+ else
+ save->crtc2_offset_cntl &= ~RADEON_CRTC_TILE_EN;
+ }
+
+ Base = pScrn->fbOffset;
+
+ if (info->tilingEnabled && (crtc->rotatedData == NULL)) {
+ if (IS_R300_VARIANT) {
+ /* On r300/r400 when tiling is enabled crtc_offset is set to the address of
+ * the surface. the x/y offsets are handled by the X_Y tile reg for each crtc
+ * Makes tiling MUCH easier.
+ */
+ save->crtc2_tile_x0_y0 = x | (y << 16);
+ Base &= ~0x7ff;
+ } else {
+ /* note we cannot really simply use the info->ModeReg.crtc_offset_cntl value, since the
+ drm might have set FLIP_CNTL since we wrote that. Unfortunately FLIP_CNTL causes
+ flickering when scrolling vertically in a virtual screen, possibly because crtc will
+ pick up the new offset value at the end of each scanline, but the new offset_cntl value
+ only after a vsync. We'd probably need to wait (in drm) for vsync and only then update
+ OFFSET and OFFSET_CNTL, if the y coord has changed. Seems hard to fix. */
+ /*save->crtc2_offset_cntl = INREG(RADEON_CRTC2_OFFSET_CNTL) & ~0xf;*/
+#if 0
+ /* try to get rid of flickering when scrolling at least for 2d */
+#ifdef XF86DRI
+ if (!info->have3DWindows)
+#endif
+ save->crtc2_offset_cntl &= ~RADEON_CRTC_OFFSET_FLIP_CNTL;
+#endif
+
+ int byteshift = info->CurrentLayout.bitsPerPixel >> 4;
+ /* crtc uses 256(bytes)x8 "half-tile" start addresses? */
+ int tile_addr = (((y >> 3) * info->CurrentLayout.displayWidth + x) >> (8 - byteshift)) << 11;
+ Base += tile_addr + ((x << byteshift) % 256) + ((y % 8) << 8);
+ save->crtc2_offset_cntl = save->crtc_offset_cntl | (y % 16);
+ }
+ }
+ else {
+ int offset = y * info->CurrentLayout.displayWidth + x;
+ switch (info->CurrentLayout.pixel_code) {
+ case 15:
+ case 16: offset *= 2; break;
+ case 24: offset *= 3; break;
+ case 32: offset *= 4; break;
+ }
+ Base += offset;
+ }
+
+ if (crtc->rotatedData != NULL) {
+ Base = pScrn->fbOffset + (char *)crtc->rotatedData - (char *)info->FB;
+ }
+
+ Base &= ~7; /* 3 lower bits are always 0 */
+
+#ifdef XF86DRI
+ if (info->directRenderingInited) {
+ /* note cannot use pScrn->pScreen since this is unitialized when called from
+ RADEONScreenInit, and we need to call from there to get mergedfb + pageflip working */
+ /*** NOTE: r3/4xx will need sarea and drm pageflip updates to handle the xytile regs for
+ *** pageflipping!
+ ***/
+ pSAREAPriv = DRIGetSAREAPrivate(screenInfo.screens[pScrn->scrnIndex]);
+ /* can't get at sarea in a semi-sane way? */
+ pSAREA = (void *)((char*)pSAREAPriv - sizeof(XF86DRISAREARec));
+
+ pSAREAPriv->crtc2_base = Base;
+
+ if (pSAREAPriv->pfCurrentPage == 1) {
+ Base += info->backOffset - info->frontOffset;
+ }
+ }
+#endif
+ save->crtc2_offset = Base;
+
+ return TRUE;
+}
+
+
+/* Define CRTC2 registers for requested video mode */
+static Bool
+RADEONInitCrtc2Registers(xf86CrtcPtr crtc, RADEONSavePtr save,
+ DisplayModePtr mode)
+{
+ ScrnInfoPtr pScrn = crtc->scrn;
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+ int format;
+ int hsync_start;
+ int hsync_wid;
+ int vsync_wid;
+
+ switch (info->CurrentLayout.pixel_code) {
+ case 4: format = 1; break;
+ case 8: format = 2; break;
+ case 15: format = 3; break; /* 555 */
+ case 16: format = 4; break; /* 565 */
+ case 24: format = 5; break; /* RGB */
+ case 32: format = 6; break; /* xRGB */
+ default:
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "Unsupported pixel depth (%d)\n",
+ info->CurrentLayout.bitsPerPixel);
+ return FALSE;
+ }
+
+ save->crtc2_h_total_disp =
+ ((((mode->CrtcHTotal / 8) - 1) & 0x3ff)
+ | ((((mode->CrtcHDisplay / 8) - 1) & 0x1ff) << 16));
+
+ hsync_wid = (mode->CrtcHSyncEnd - mode->CrtcHSyncStart) / 8;
+ if (!hsync_wid) hsync_wid = 1;
+ hsync_start = mode->CrtcHSyncStart - 8;
+
+ save->crtc2_h_sync_strt_wid = ((hsync_start & 0x1fff)
+ | ((hsync_wid & 0x3f) << 16)
+ | ((mode->Flags & V_NHSYNC)
+ ? RADEON_CRTC_H_SYNC_POL
+ : 0));
+
+ /* This works for double scan mode. */
+ save->crtc2_v_total_disp = (((mode->CrtcVTotal - 1) & 0xffff)
+ | ((mode->CrtcVDisplay - 1) << 16));
+
+ vsync_wid = mode->CrtcVSyncEnd - mode->CrtcVSyncStart;
+ if (!vsync_wid) vsync_wid = 1;
+
+ save->crtc2_v_sync_strt_wid = (((mode->CrtcVSyncStart - 1) & 0xfff)
+ | ((vsync_wid & 0x1f) << 16)
+ | ((mode->Flags & V_NVSYNC)
+ ? RADEON_CRTC2_V_SYNC_POL
+ : 0));
+
+ save->crtc2_pitch = ((pScrn->displayWidth * pScrn->bitsPerPixel) +
+ ((pScrn->bitsPerPixel * 8) -1)) / (pScrn->bitsPerPixel * 8);
+ save->crtc2_pitch |= save->crtc2_pitch << 16;
+
+ /* check to see if TV DAC is enabled for another crtc and keep it enabled */
+ if (save->crtc2_gen_cntl & RADEON_CRTC2_CRT2_ON)
+ save->crtc2_gen_cntl = RADEON_CRTC2_CRT2_ON;
+ else
+ save->crtc2_gen_cntl = 0;
+
+ save->crtc2_gen_cntl |= (RADEON_CRTC2_EN
+ | (format << 8)
+ | RADEON_CRTC2_VSYNC_DIS
+ | RADEON_CRTC2_HSYNC_DIS
+ | RADEON_CRTC2_DISP_DIS
+ | ((mode->Flags & V_DBLSCAN)
+ ? RADEON_CRTC2_DBL_SCAN_EN
+ : 0)
+ | ((mode->Flags & V_CSYNC)
+ ? RADEON_CRTC2_CSYNC_EN
+ : 0)
+ | ((mode->Flags & V_INTERLACE)
+ ? RADEON_CRTC2_INTERLACE_EN
+ : 0));
+
+ save->disp2_merge_cntl = info->SavedReg->disp2_merge_cntl;
+ save->disp2_merge_cntl &= ~(RADEON_DISP2_RGB_OFFSET_EN);
+
+ save->fp_h2_sync_strt_wid = save->crtc2_h_sync_strt_wid;
+ save->fp_v2_sync_strt_wid = save->crtc2_v_sync_strt_wid;
+
+ if (info->ChipFamily == CHIP_FAMILY_RS400) {
+ save->rs480_unk_e30 = 0x105DC1CC; /* because I'm worth it */
+ save->rs480_unk_e34 = 0x2749D000; /* AMD really should */
+ save->rs480_unk_e38 = 0x29ca71dc; /* release docs */
+ save->rs480_unk_e3c = 0x28FBC3AC; /* this is so a trade secret */
+ }
+
+ return TRUE;
+}
+
+
+/* Define PLL registers for requested video mode */
+static void
+RADEONInitPLLRegisters(ScrnInfoPtr pScrn, RADEONSavePtr save,
+ RADEONPLLPtr pll, DisplayModePtr mode,
+ int flags)
+{
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+ CARD32 feedback_div = 0;
+ CARD32 reference_div = 0;
+ CARD32 post_divider = 0;
+ CARD32 freq = 0;
+
+ struct {
+ int divider;
+ int bitvalue;
+ } *post_div, post_divs[] = {
+ /* From RAGE 128 VR/RAGE 128 GL Register
+ * Reference Manual (Technical Reference
+ * Manual P/N RRG-G04100-C Rev. 0.04), page
+ * 3-17 (PLL_DIV_[3:0]).
+ */
+ { 1, 0 }, /* VCLK_SRC */
+ { 2, 1 }, /* VCLK_SRC/2 */
+ { 4, 2 }, /* VCLK_SRC/4 */
+ { 8, 3 }, /* VCLK_SRC/8 */
+ { 3, 4 }, /* VCLK_SRC/3 */
+ { 16, 5 }, /* VCLK_SRC/16 */
+ { 6, 6 }, /* VCLK_SRC/6 */
+ { 12, 7 }, /* VCLK_SRC/12 */
+ { 0, 0 }
+ };
+
+
+ if ((flags & RADEON_PLL_USE_BIOS_DIVS) && info->UseBiosDividers) {
+ save->ppll_ref_div = info->RefDivider;
+ save->ppll_div_3 = info->FeedbackDivider | (info->PostDivider << 16);
+ save->htotal_cntl = 0;
+ return;
+ }
+
+ RADEONComputePLL(pll, mode->Clock, &freq, &feedback_div, &reference_div, &post_divider, flags);
+
+ for (post_div = &post_divs[0]; post_div->divider; ++post_div) {
+ if (post_div->divider == post_divider)
+ break;
+ }
+
+ if (!post_div->divider) {
+ save->pll_output_freq = freq;
+ post_div = &post_divs[0];
+ }
+
+ save->dot_clock_freq = freq;
+ save->feedback_div = feedback_div;
+ save->reference_div = reference_div;
+ save->post_div = post_divider;
+
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, RADEON_LOGLEVEL_DEBUG,
+ "dc=%u, of=%u, fd=%d, rd=%d, pd=%d\n",
+ (unsigned)save->dot_clock_freq,
+ (unsigned)save->pll_output_freq,
+ save->feedback_div,
+ save->reference_div,
+ save->post_div);
+
+ save->ppll_ref_div = save->reference_div;
+
+#if defined(__powerpc__)
+ /* apparently programming this otherwise causes a hang??? */
+ if (info->MacModel == RADEON_MAC_IBOOK)
+ save->ppll_div_3 = 0x000600ad;
+ else
+#endif
+ save->ppll_div_3 = (save->feedback_div | (post_div->bitvalue << 16));
+
+ save->htotal_cntl = mode->HTotal & 0x7;
+
+ save->vclk_ecp_cntl = (info->SavedReg->vclk_ecp_cntl &
+ ~RADEON_VCLK_SRC_SEL_MASK) | RADEON_VCLK_SRC_SEL_PPLLCLK;
+}
+
+/* Define PLL2 registers for requested video mode */
+static void
+RADEONInitPLL2Registers(ScrnInfoPtr pScrn, RADEONSavePtr save,
+ RADEONPLLPtr pll, DisplayModePtr mode,
+ int flags)
+{
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+ CARD32 feedback_div = 0;
+ CARD32 reference_div = 0;
+ CARD32 post_divider = 0;
+ CARD32 freq = 0;
+
+ struct {
+ int divider;
+ int bitvalue;
+ } *post_div, post_divs[] = {
+ /* From RAGE 128 VR/RAGE 128 GL Register
+ * Reference Manual (Technical Reference
+ * Manual P/N RRG-G04100-C Rev. 0.04), page
+ * 3-17 (PLL_DIV_[3:0]).
+ */
+ { 1, 0 }, /* VCLK_SRC */
+ { 2, 1 }, /* VCLK_SRC/2 */
+ { 4, 2 }, /* VCLK_SRC/4 */
+ { 8, 3 }, /* VCLK_SRC/8 */
+ { 3, 4 }, /* VCLK_SRC/3 */
+ { 6, 6 }, /* VCLK_SRC/6 */
+ { 12, 7 }, /* VCLK_SRC/12 */
+ { 0, 0 }
+ };
+
+ if ((flags & RADEON_PLL_USE_BIOS_DIVS) && info->UseBiosDividers) {
+ save->p2pll_ref_div = info->RefDivider;
+ save->p2pll_div_0 = info->FeedbackDivider | (info->PostDivider << 16);
+ save->htotal_cntl2 = 0;
+ return;
+ }
+
+ RADEONComputePLL(pll, mode->Clock, &freq, &feedback_div, &reference_div, &post_divider, flags);
+
+ for (post_div = &post_divs[0]; post_div->divider; ++post_div) {
+ if (post_div->divider == post_divider)
+ break;
+ }
+
+ if (!post_div->divider) {
+ save->pll_output_freq_2 = freq;
+ post_div = &post_divs[0];
+ }
+
+ save->dot_clock_freq_2 = freq;
+ save->feedback_div_2 = feedback_div;
+ save->reference_div_2 = reference_div;
+ save->post_div_2 = post_divider;
+
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, RADEON_LOGLEVEL_DEBUG,
+ "dc=%u, of=%u, fd=%d, rd=%d, pd=%d\n",
+ (unsigned)save->dot_clock_freq_2,
+ (unsigned)save->pll_output_freq_2,
+ save->feedback_div_2,
+ save->reference_div_2,
+ save->post_div_2);
+
+ save->p2pll_ref_div = save->reference_div_2;
+
+ save->p2pll_div_0 = (save->feedback_div_2 |
+ (post_div->bitvalue << 16));
+
+ save->htotal_cntl2 = mode->HTotal & 0x7;
+
+ save->pixclks_cntl = ((info->SavedReg->pixclks_cntl &
+ ~(RADEON_PIX2CLK_SRC_SEL_MASK)) |
+ RADEON_PIX2CLK_SRC_SEL_P2PLLCLK);
+}
+
+static void
+RADEONInitBIOSRegisters(ScrnInfoPtr pScrn, RADEONSavePtr save)
+{
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+
+ /* tell the bios not to muck with the hardware on events */
+ save->bios_4_scratch = 0x4; /* 0x4 needed for backlight */
+ save->bios_5_scratch = (info->SavedReg->bios_5_scratch & 0xff) | 0xff00; /* bits 0-3 keep backlight level */
+ save->bios_6_scratch = info->SavedReg->bios_6_scratch | 0x40000000;
+
+}
+
+static void
+radeon_update_tv_routing(ScrnInfoPtr pScrn, RADEONSavePtr restore)
+{
+ /* pixclks_cntl controls tv clock routing */
+ OUTPLL(pScrn, RADEON_PIXCLKS_CNTL, restore->pixclks_cntl);
+}
+
+/* Calculate display buffer watermark to prevent buffer underflow */
+static void
+RADEONInitDispBandwidth2(ScrnInfoPtr pScrn, RADEONInfoPtr info, int pixel_bytes2, DisplayModePtr mode1, DisplayModePtr mode2)
+{
+ RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
+ unsigned char *RADEONMMIO = info->MMIO;
+
+ CARD32 temp, data, mem_trcd, mem_trp, mem_tras, mem_trbs=0;
+ float mem_tcas;
+ int k1, c;
+ CARD32 MemTrcdExtMemCntl[4] = {1, 2, 3, 4};
+ CARD32 MemTrpExtMemCntl[4] = {1, 2, 3, 4};
+ CARD32 MemTrasExtMemCntl[8] = {1, 2, 3, 4, 5, 6, 7, 8};
+
+ CARD32 MemTrcdMemTimingCntl[8] = {1, 2, 3, 4, 5, 6, 7, 8};
+ CARD32 MemTrpMemTimingCntl[8] = {1, 2, 3, 4, 5, 6, 7, 8};
+ CARD32 MemTrasMemTimingCntl[16] = {4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19};
+
+ float MemTcas[8] = {0, 1, 2, 3, 0, 1.5, 2.5, 0};
+ float MemTcas2[8] = {0, 1, 2, 3, 4, 5, 6, 7};
+ float MemTrbs[8] = {1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5};
+
+ float mem_bw, peak_disp_bw;
+ float min_mem_eff = 0.8;
+ float sclk_eff, sclk_delay;
+ float mc_latency_mclk, mc_latency_sclk, cur_latency_mclk, cur_latency_sclk;
+ float disp_latency, disp_latency_overhead, disp_drain_rate, disp_drain_rate2;
+ float pix_clk, pix_clk2; /* in MHz */
+ int cur_size = 16; /* in octawords */
+ int critical_point, critical_point2;
+ int stop_req, max_stop_req;
+ float read_return_rate, time_disp1_drop_priority;
+
+ /*
+ * Set display0/1 priority up on r3/4xx in the memory controller for
+ * high res modes if the user specifies HIGH for displaypriority
+ * option.
+ */
+ if ((info->DispPriority == 2) && IS_R300_VARIANT) {
+ CARD32 mc_init_misc_lat_timer = INREG(R300_MC_INIT_MISC_LAT_TIMER);
+ if (pRADEONEnt->pCrtc[1]->enabled) {
+ mc_init_misc_lat_timer |= 0x1100; /* display 0 and 1 */
+ } else {
+ mc_init_misc_lat_timer |= 0x0100; /* display 0 only */
+ }
+ OUTREG(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
+ }
+
+
+ /* R420 and RV410 family not supported yet */
+ if (info->ChipFamily == CHIP_FAMILY_R420 || info->ChipFamily == CHIP_FAMILY_RV410) return;
+
+ /*
+ * Determine if there is enough bandwidth for current display mode
+ */
+ mem_bw = info->mclk * (info->RamWidth / 8) * (info->IsDDR ? 2 : 1);
+
+ pix_clk = mode1->Clock/1000.0;
+ if (mode2)
+ pix_clk2 = mode2->Clock/1000.0;
+ else
+ pix_clk2 = 0;
+
+ peak_disp_bw = (pix_clk * info->CurrentLayout.pixel_bytes);
+ if (pixel_bytes2)
+ peak_disp_bw += (pix_clk2 * pixel_bytes2);
+
+ if (peak_disp_bw >= mem_bw * min_mem_eff) {
+ xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
+ "You may not have enough display bandwidth for current mode\n"
+ "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n");
+ }
+
+ /* CRTC1
+ Set GRPH_BUFFER_CNTL register using h/w defined optimal values.
+ GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ]
+ */
+ stop_req = mode1->HDisplay * info->CurrentLayout.pixel_bytes / 16;
+
+ /* setup Max GRPH_STOP_REQ default value */
+ if (IS_RV100_VARIANT)
+ max_stop_req = 0x5c;
+ else
+ max_stop_req = 0x7c;
+ if (stop_req > max_stop_req)
+ stop_req = max_stop_req;
+
+ /* Get values from the EXT_MEM_CNTL register...converting its contents. */
+ temp = INREG(RADEON_MEM_TIMING_CNTL);
+ if ((info->ChipFamily == CHIP_FAMILY_RV100) || info->IsIGP) { /* RV100, M6, IGPs */
+ mem_trcd = MemTrcdExtMemCntl[(temp & 0x0c) >> 2];
+ mem_trp = MemTrpExtMemCntl[ (temp & 0x03) >> 0];
+ mem_tras = MemTrasExtMemCntl[(temp & 0x70) >> 4];
+ } else { /* RV200 and later */
+ mem_trcd = MemTrcdMemTimingCntl[(temp & 0x07) >> 0];
+ mem_trp = MemTrpMemTimingCntl[ (temp & 0x700) >> 8];
+ mem_tras = MemTrasMemTimingCntl[(temp & 0xf000) >> 12];
+ }
+
+ /* Get values from the MEM_SDRAM_MODE_REG register...converting its */
+ temp = INREG(RADEON_MEM_SDRAM_MODE_REG);
+ data = (temp & (7<<20)) >> 20;
+ if ((info->ChipFamily == CHIP_FAMILY_RV100) || info->IsIGP) { /* RV100, M6, IGPs */
+ mem_tcas = MemTcas [data];
+ } else {
+ mem_tcas = MemTcas2 [data];
+ }
+
+ if (IS_R300_VARIANT) {
+
+ /* on the R300, Tcas is included in Trbs.
+ */
+ temp = INREG(RADEON_MEM_CNTL);
+ data = (R300_MEM_NUM_CHANNELS_MASK & temp);
+ if (data == 1) {
+ if (R300_MEM_USE_CD_CH_ONLY & temp) {
+ temp = INREG(R300_MC_IND_INDEX);
+ temp &= ~R300_MC_IND_ADDR_MASK;
+ temp |= R300_MC_READ_CNTL_CD_mcind;
+ OUTREG(R300_MC_IND_INDEX, temp);
+ temp = INREG(R300_MC_IND_DATA);
+ data = (R300_MEM_RBS_POSITION_C_MASK & temp);
+ } else {
+ temp = INREG(R300_MC_READ_CNTL_AB);
+ data = (R300_MEM_RBS_POSITION_A_MASK & temp);
+ }
+ } else {
+ temp = INREG(R300_MC_READ_CNTL_AB);
+ data = (R300_MEM_RBS_POSITION_A_MASK & temp);
+ }
+
+ mem_trbs = MemTrbs[data];
+ mem_tcas += mem_trbs;
+ }
+
+ if ((info->ChipFamily == CHIP_FAMILY_RV100) || info->IsIGP) { /* RV100, M6, IGPs */
+ /* DDR64 SCLK_EFF = SCLK for analysis */
+ sclk_eff = info->sclk;
+ } else {
+#ifdef XF86DRI
+ if (info->directRenderingEnabled)
+ sclk_eff = info->sclk - (info->agpMode * 50.0 / 3.0);
+ else
+#endif
+ sclk_eff = info->sclk;
+ }
+
+ /* Find the memory controller latency for the display client.
+ */
+ if (IS_R300_VARIANT) {
+ /*not enough for R350 ???*/
+ /*
+ if (!mode2) sclk_delay = 150;
+ else {
+ if (info->RamWidth == 256) sclk_delay = 87;
+ else sclk_delay = 97;
+ }
+ */
+ sclk_delay = 250;
+ } else {
+ if ((info->ChipFamily == CHIP_FAMILY_RV100) ||
+ info->IsIGP) {
+ if (info->IsDDR) sclk_delay = 41;
+ else sclk_delay = 33;
+ } else {
+ if (info->RamWidth == 128) sclk_delay = 57;
+ else sclk_delay = 41;
+ }
+ }
+
+ mc_latency_sclk = sclk_delay / sclk_eff;
+
+ if (info->IsDDR) {
+ if (info->RamWidth == 32) {
+ k1 = 40;
+ c = 3;
+ } else {
+ k1 = 20;
+ c = 1;
+ }
+ } else {
+ k1 = 40;
+ c = 3;
+ }
+ mc_latency_mclk = ((2.0*mem_trcd + mem_tcas*c + 4.0*mem_tras + 4.0*mem_trp + k1) /
+ info->mclk) + (4.0 / sclk_eff);
+
+ /*
+ HW cursor time assuming worst case of full size colour cursor.
+ */
+ cur_latency_mclk = (mem_trp + MAX(mem_tras, (mem_trcd + 2*(cur_size - (info->IsDDR+1))))) / info->mclk;
+ cur_latency_sclk = cur_size / sclk_eff;
+
+ /*
+ Find the total latency for the display data.
+ */
+ disp_latency_overhead = 8.0 / info->sclk;
+ mc_latency_mclk = mc_latency_mclk + disp_latency_overhead + cur_latency_mclk;
+ mc_latency_sclk = mc_latency_sclk + disp_latency_overhead + cur_latency_sclk;
+ disp_latency = MAX(mc_latency_mclk, mc_latency_sclk);
+
+ /*
+ Find the drain rate of the display buffer.
+ */
+ disp_drain_rate = pix_clk / (16.0/info->CurrentLayout.pixel_bytes);
+ if (pixel_bytes2)
+ disp_drain_rate2 = pix_clk2 / (16.0/pixel_bytes2);
+ else
+ disp_drain_rate2 = 0;
+
+ /*
+ Find the critical point of the display buffer.
+ */
+ critical_point= (CARD32)(disp_drain_rate * disp_latency + 0.5);
+
+ /* ???? */
+ /*
+ temp = (info->SavedReg.grph_buffer_cntl & RADEON_GRPH_CRITICAL_POINT_MASK) >> RADEON_GRPH_CRITICAL_POINT_SHIFT;
+ if (critical_point < temp) critical_point = temp;
+ */
+ if (info->DispPriority == 2) {
+ critical_point = 0;
+ }
+
+ /*
+ The critical point should never be above max_stop_req-4. Setting
+ GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time.
+ */
+ if (max_stop_req - critical_point < 4) critical_point = 0;
+
+ if (critical_point == 0 && mode2 && info->ChipFamily == CHIP_FAMILY_R300) {
+ /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
+ critical_point = 0x10;
+ }
+
+ temp = info->SavedReg->grph_buffer_cntl;
+ temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
+ temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
+ temp &= ~(RADEON_GRPH_START_REQ_MASK);
+ if ((info->ChipFamily == CHIP_FAMILY_R350) &&
+ (stop_req > 0x15)) {
+ stop_req -= 0x10;
+ }
+ temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
+
+ temp |= RADEON_GRPH_BUFFER_SIZE;
+ temp &= ~(RADEON_GRPH_CRITICAL_CNTL |
+ RADEON_GRPH_CRITICAL_AT_SOF |
+ RADEON_GRPH_STOP_CNTL);
+ /*
+ Write the result into the register.
+ */
+ OUTREG(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
+ (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
+
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, RADEON_LOGLEVEL_DEBUG,
+ "GRPH_BUFFER_CNTL from %x to %x\n",
+ (unsigned int)info->SavedReg->grph_buffer_cntl,
+ (unsigned int)INREG(RADEON_GRPH_BUFFER_CNTL));
+
+ if (mode2) {
+ stop_req = mode2->HDisplay * pixel_bytes2 / 16;
+
+ if (stop_req > max_stop_req) stop_req = max_stop_req;
+
+ temp = info->SavedReg->grph2_buffer_cntl;
+ temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
+ temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
+ temp &= ~(RADEON_GRPH_START_REQ_MASK);
+ if ((info->ChipFamily == CHIP_FAMILY_R350) &&
+ (stop_req > 0x15)) {
+ stop_req -= 0x10;
+ }
+ temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
+ temp |= RADEON_GRPH_BUFFER_SIZE;
+ temp &= ~(RADEON_GRPH_CRITICAL_CNTL |
+ RADEON_GRPH_CRITICAL_AT_SOF |
+ RADEON_GRPH_STOP_CNTL);
+
+ if ((info->ChipFamily == CHIP_FAMILY_RS100) ||
+ (info->ChipFamily == CHIP_FAMILY_RS200))
+ critical_point2 = 0;
+ else {
+ read_return_rate = MIN(info->sclk, info->mclk*(info->RamWidth*(info->IsDDR+1)/128));
+ time_disp1_drop_priority = critical_point / (read_return_rate - disp_drain_rate);
+
+ critical_point2 = (CARD32)((disp_latency + time_disp1_drop_priority +
+ disp_latency) * disp_drain_rate2 + 0.5);
+
+ if (info->DispPriority == 2) {
+ critical_point2 = 0;
+ }
+
+ if (max_stop_req - critical_point2 < 4) critical_point2 = 0;
+
+ }
+
+ if (critical_point2 == 0 && info->ChipFamily == CHIP_FAMILY_R300) {
+ /* some R300 cards have problem with this set to 0 */
+ critical_point2 = 0x10;
+ }
+
+ OUTREG(RADEON_GRPH2_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
+ (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));
+
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, RADEON_LOGLEVEL_DEBUG,
+ "GRPH2_BUFFER_CNTL from %x to %x\n",
+ (unsigned int)info->SavedReg->grph2_buffer_cntl,
+ (unsigned int)INREG(RADEON_GRPH2_BUFFER_CNTL));
+ }
+}
+
+void
+RADEONInitDispBandwidth(ScrnInfoPtr pScrn)
+{
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+ xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
+ DisplayModePtr mode1, mode2;
+ int pixel_bytes2 = 0;
+
+ if (info->IsPrimary || info->IsSecondary)
+ mode1 = &xf86_config->crtc[0]->mode;
+ else
+ mode1 = info->CurrentLayout.mode;
+ mode2 = NULL;
+ pixel_bytes2 = info->CurrentLayout.pixel_bytes;
+
+ if (xf86_config->num_crtc == 2) {
+ pixel_bytes2 = 0;
+ mode2 = NULL;
+
+ if (xf86_config->crtc[1]->enabled && xf86_config->crtc[0]->enabled) {
+ pixel_bytes2 = info->CurrentLayout.pixel_bytes;
+ mode1 = &xf86_config->crtc[0]->mode;
+ mode2 = &xf86_config->crtc[1]->mode;
+ } else if (xf86_config->crtc[0]->enabled) {
+ mode1 = &xf86_config->crtc[0]->mode;
+ } else if (xf86_config->crtc[1]->enabled) {
+ mode1 = &xf86_config->crtc[1]->mode;
+ } else
+ return;
+ } else {
+ if (xf86_config->crtc[0]->enabled)
+ mode1 = &xf86_config->crtc[0]->mode;
+ else
+ return;
+ }
+
+ RADEONInitDispBandwidth2(pScrn, info, pixel_bytes2, mode1, mode2);
+}
+
+void
+legacy_crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode,
+ DisplayModePtr adjusted_mode, int x, int y)
+{
+ ScrnInfoPtr pScrn = crtc->scrn;
+ xf86CrtcConfigPtr xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
+ RADEONCrtcPrivatePtr radeon_crtc = crtc->driver_private;
+ RADEONInfoPtr info = RADEONPTR(pScrn);
+ Bool tilingOld = info->tilingEnabled;
+ int i = 0;
+ double dot_clock = 0;
+ int pll_flags = RADEON_PLL_LEGACY;
+ Bool update_tv_routing = FALSE;
+
+
+ if (info->allowColorTiling) {
+ info->tilingEnabled = (adjusted_mode->Flags & (V_DBLSCAN | V_INTERLACE)) ? FALSE : TRUE;
+#ifdef XF86DRI
+ if (info->directRenderingEnabled && (info->tilingEnabled != tilingOld)) {
+ RADEONSAREAPrivPtr pSAREAPriv;
+ if (RADEONDRISetParam(pScrn, RADEON_SETPARAM_SWITCH_TILING, (info->tilingEnabled ? 1 : 0)) < 0)
+ xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+ "[drm] failed changing tiling status\n");
+ /* if this is called during ScreenInit() we don't have pScrn->pScreen yet */
+ pSAREAPriv = DRIGetSAREAPrivate(screenInfo.screens[pScrn->scrnIndex]);
+ info->tilingEnabled = pSAREAPriv->tiling_enabled ? TRUE : FALSE;
+ }
+#endif
+ }
+
+ for (i = 0; i < xf86_config->num_output; i++) {
+ xf86OutputPtr output = xf86_config->output[i];
+ RADEONOutputPrivatePtr radeon_output = output->driver_private;
+
+ if (output->crtc == crtc) {
+ if (radeon_output->MonType != MT_CRT)
+ pll_flags |= RADEON_PLL_NO_ODD_POST_DIV;
+ if (radeon_output->MonType == MT_LCD)
+ pll_flags |= (RADEON_PLL_USE_BIOS_DIVS | RADEON_PLL_USE_REF_DIV);
+ }
+ }
+
+ if (info->IsMobility)
+ RADEONInitBIOSRegisters(pScrn, info->ModeReg);
+
+ ErrorF("init memmap\n");
+ RADEONInitMemMapRegisters(pScrn, info->ModeReg, info);
+ ErrorF("init common\n");
+ RADEONInitCommonRegisters(info->ModeReg, info);
+
+ RADEONInitSurfaceCntl(crtc, info->ModeReg);
+
+ switch (radeon_crtc->crtc_id) {
+ case 0:
+ ErrorF("init crtc1\n");
+ RADEONInitCrtcRegisters(crtc, info->ModeReg, adjusted_mode);
+ RADEONInitCrtcBase(crtc, info->ModeReg, x, y);
+ dot_clock = adjusted_mode->Clock / 1000.0;
+ if (dot_clock) {
+ ErrorF("init pll1\n");
+ RADEONInitPLLRegisters(pScrn, info->ModeReg, &info->pll, adjusted_mode, pll_flags);
+ } else {
+ info->ModeReg->ppll_ref_div = info->SavedReg->ppll_ref_div;
+ info->ModeReg->ppll_div_3 = info->SavedReg->ppll_div_3;
+ info->ModeReg->htotal_cntl = info->SavedReg->htotal_cntl;
+ }
+ break;
+ case 1:
+ ErrorF("init crtc2\n");
+ RADEONInitCrtc2Registers(crtc, info->ModeReg, adjusted_mode);
+ RADEONInitCrtc2Base(crtc, info->ModeReg, x, y);
+ dot_clock = adjusted_mode->Clock / 1000.0;
+ if (dot_clock) {
+ ErrorF("init pll2\n");
+ RADEONInitPLL2Registers(pScrn, info->ModeReg, &info->pll, adjusted_mode, pll_flags);
+ }
+ break;
+ }
+
+ for (i = 0; i < xf86_config->num_output; i++) {
+ xf86OutputPtr output = xf86_config->output[i];
+ RADEONOutputPrivatePtr radeon_output = output->driver_private;
+
+ if (output->crtc == crtc) {
+ if (radeon_output->MonType == MT_STV || radeon_output->MonType == MT_CTV) {
+ switch (radeon_crtc->crtc_id) {
+ case 0:
+ RADEONAdjustCrtcRegistersForTV(pScrn, info->ModeReg, adjusted_mode, output);
+ RADEONAdjustPLLRegistersForTV(pScrn, info->ModeReg, adjusted_mode, output);
+ update_tv_routing = TRUE;
+ break;
+ case 1:
+ RADEONAdjustCrtc2RegistersForTV(pScrn, info->ModeReg, adjusted_mode, output);
+ RADEONAdjustPLL2RegistersForTV(pScrn, info->ModeReg, adjusted_mode, output);
+ break;
+ }
+ }
+ }
+ }
+
+ if (info->IsMobility)
+ RADEONRestoreBIOSRegisters(pScrn, info->ModeReg);
+
+ ErrorF("restore memmap\n");
+ RADEONRestoreMemMapRegisters(pScrn, info->ModeReg);
+ ErrorF("restore common\n");
+ RADEONRestoreCommonRegisters(pScrn, info->ModeReg);
+
+ switch (radeon_crtc->crtc_id) {
+ case 0:
+ ErrorF("restore crtc1\n");
+ RADEONRestoreCrtcRegisters(pScrn, info->ModeReg);
+ ErrorF("restore pll1\n");
+ RADEONRestorePLLRegisters(pScrn, info->ModeReg);
+ break;
+ case 1:
+ ErrorF("restore crtc2\n");
+ RADEONRestoreCrtc2Registers(pScrn, info->ModeReg);
+ ErrorF("restore pll2\n");
+ RADEONRestorePLL2Registers(pScrn, info->ModeReg);
+ break;
+ }
+
+ /* pixclks_cntl handles tv-out clock routing */
+ if (update_tv_routing)
+ radeon_update_tv_routing(pScrn, info->ModeReg);
+
+ if (info->DispPriority)
+ RADEONInitDispBandwidth(pScrn);
+
+ if (info->tilingEnabled != tilingOld) {
+ /* need to redraw front buffer, I guess this can be considered a hack ? */
+ /* if this is called during ScreenInit() we don't have pScrn->pScreen yet */
+ if (pScrn->pScreen)
+ xf86EnableDisableFBAccess(pScrn->scrnIndex, FALSE);
+ RADEONChangeSurfaces(pScrn);
+ if (pScrn->pScreen)
+ xf86EnableDisableFBAccess(pScrn->scrnIndex, TRUE);
+ /* xf86SetRootClip would do, but can't access that here */
+ }
+
+ /* reset ecp_div for Xv */
+ info->ecp_div = -1;
+
+}
+