mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-05 06:41:55 +03:00
a0d587989d
git-svn-id: svn://kolibrios.org@1129 a494cfbc-eb01-0410-851d-a64ba20cac60
1548 lines
43 KiB
C
1548 lines
43 KiB
C
/*
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* Copyright 2008 Advanced Micro Devices, Inc.
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* Copyright 2008 Red Hat Inc.
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* Copyright 2009 Jerome Glisse.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Dave Airlie
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* Alex Deucher
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* Jerome Glisse
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*/
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//#include <linux/seq_file.h>
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#include "drmP.h"
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#include "drm.h"
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#include "radeon_drm.h"
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#include "radeon_microcode.h"
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#include "radeon_reg.h"
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#include "radeon.h"
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/* This files gather functions specifics to:
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* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
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*
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* Some of these functions might be used by newer ASICs.
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*/
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void r100_hdp_reset(struct radeon_device *rdev);
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void r100_gpu_init(struct radeon_device *rdev);
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int r100_gui_wait_for_idle(struct radeon_device *rdev);
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int r100_mc_wait_for_idle(struct radeon_device *rdev);
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void r100_gpu_wait_for_vsync(struct radeon_device *rdev);
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void r100_gpu_wait_for_vsync2(struct radeon_device *rdev);
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int r100_debugfs_mc_info_init(struct radeon_device *rdev);
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/*
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* PCI GART
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*/
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void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
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{
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/* TODO: can we do somethings here ? */
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/* It seems hw only cache one entry so we should discard this
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* entry otherwise if first GPU GART read hit this entry it
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* could end up in wrong address. */
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}
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int r100_pci_gart_enable(struct radeon_device *rdev)
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{
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uint32_t tmp;
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int r;
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/* Initialize common gart structure */
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r = radeon_gart_init(rdev);
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if (r) {
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return r;
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}
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if (rdev->gart.table.ram.ptr == NULL) {
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rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
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r = radeon_gart_table_ram_alloc(rdev);
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if (r) {
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return r;
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}
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}
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/* discard memory request outside of configured range */
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tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
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WREG32(RADEON_AIC_CNTL, tmp);
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/* set address range for PCI address translate */
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WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_location);
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tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
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WREG32(RADEON_AIC_HI_ADDR, tmp);
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/* Enable bus mastering */
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tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
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WREG32(RADEON_BUS_CNTL, tmp);
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/* set PCI GART page-table base address */
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WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
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tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
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WREG32(RADEON_AIC_CNTL, tmp);
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r100_pci_gart_tlb_flush(rdev);
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rdev->gart.ready = true;
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return 0;
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}
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void r100_pci_gart_disable(struct radeon_device *rdev)
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{
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uint32_t tmp;
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/* discard memory request outside of configured range */
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tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
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WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
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WREG32(RADEON_AIC_LO_ADDR, 0);
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WREG32(RADEON_AIC_HI_ADDR, 0);
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}
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int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
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{
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if (i < 0 || i > rdev->gart.num_gpu_pages) {
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return -EINVAL;
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}
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rdev->gart.table.ram.ptr[i] = cpu_to_le32((uint32_t)addr);
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return 0;
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}
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int r100_gart_enable(struct radeon_device *rdev)
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{
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if (rdev->flags & RADEON_IS_AGP) {
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r100_pci_gart_disable(rdev);
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return 0;
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}
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return r100_pci_gart_enable(rdev);
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}
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/*
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* MC
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*/
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void r100_mc_disable_clients(struct radeon_device *rdev)
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{
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uint32_t ov0_scale_cntl, crtc_ext_cntl, crtc_gen_cntl, crtc2_gen_cntl;
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/* FIXME: is this function correct for rs100,rs200,rs300 ? */
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if (r100_gui_wait_for_idle(rdev)) {
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printk(KERN_WARNING "Failed to wait GUI idle while "
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"programming pipes. Bad things might happen.\n");
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}
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/* stop display and memory access */
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ov0_scale_cntl = RREG32(RADEON_OV0_SCALE_CNTL);
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WREG32(RADEON_OV0_SCALE_CNTL, ov0_scale_cntl & ~RADEON_SCALER_ENABLE);
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crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
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WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl | RADEON_CRTC_DISPLAY_DIS);
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crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
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r100_gpu_wait_for_vsync(rdev);
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WREG32(RADEON_CRTC_GEN_CNTL,
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(crtc_gen_cntl & ~(RADEON_CRTC_CUR_EN | RADEON_CRTC_ICON_EN)) |
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RADEON_CRTC_DISP_REQ_EN_B | RADEON_CRTC_EXT_DISP_EN);
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if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
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crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
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r100_gpu_wait_for_vsync2(rdev);
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WREG32(RADEON_CRTC2_GEN_CNTL,
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(crtc2_gen_cntl &
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~(RADEON_CRTC2_CUR_EN | RADEON_CRTC2_ICON_EN)) |
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RADEON_CRTC2_DISP_REQ_EN_B);
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}
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udelay(500);
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}
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void r100_mc_setup(struct radeon_device *rdev)
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{
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uint32_t tmp;
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int r;
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r = r100_debugfs_mc_info_init(rdev);
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if (r) {
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DRM_ERROR("Failed to register debugfs file for R100 MC !\n");
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}
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/* Write VRAM size in case we are limiting it */
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WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.vram_size);
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tmp = rdev->mc.vram_location + rdev->mc.vram_size - 1;
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tmp = REG_SET(RADEON_MC_FB_TOP, tmp >> 16);
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tmp |= REG_SET(RADEON_MC_FB_START, rdev->mc.vram_location >> 16);
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WREG32(RADEON_MC_FB_LOCATION, tmp);
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/* Enable bus mastering */
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tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
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WREG32(RADEON_BUS_CNTL, tmp);
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if (rdev->flags & RADEON_IS_AGP) {
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tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
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tmp = REG_SET(RADEON_MC_AGP_TOP, tmp >> 16);
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tmp |= REG_SET(RADEON_MC_AGP_START, rdev->mc.gtt_location >> 16);
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WREG32(RADEON_MC_AGP_LOCATION, tmp);
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WREG32(RADEON_AGP_BASE, rdev->mc.agp_base);
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} else {
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WREG32(RADEON_MC_AGP_LOCATION, 0x0FFFFFFF);
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WREG32(RADEON_AGP_BASE, 0);
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}
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tmp = RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL;
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tmp |= (7 << 28);
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WREG32(RADEON_HOST_PATH_CNTL, tmp | RADEON_HDP_SOFT_RESET | RADEON_HDP_READ_BUFFER_INVALIDATE);
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(void)RREG32(RADEON_HOST_PATH_CNTL);
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WREG32(RADEON_HOST_PATH_CNTL, tmp);
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(void)RREG32(RADEON_HOST_PATH_CNTL);
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}
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int r100_mc_init(struct radeon_device *rdev)
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{
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int r;
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if (r100_debugfs_rbbm_init(rdev)) {
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DRM_ERROR("Failed to register debugfs file for RBBM !\n");
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}
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r100_gpu_init(rdev);
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/* Disable gart which also disable out of gart access */
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r100_pci_gart_disable(rdev);
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/* Setup GPU memory space */
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rdev->mc.vram_location = 0xFFFFFFFFUL;
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rdev->mc.gtt_location = 0xFFFFFFFFUL;
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if (rdev->flags & RADEON_IS_AGP) {
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r = radeon_agp_init(rdev);
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if (r) {
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printk(KERN_WARNING "[drm] Disabling AGP\n");
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rdev->flags &= ~RADEON_IS_AGP;
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rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
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} else {
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rdev->mc.gtt_location = rdev->mc.agp_base;
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}
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}
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r = radeon_mc_setup(rdev);
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if (r) {
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return r;
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}
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r100_mc_disable_clients(rdev);
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if (r100_mc_wait_for_idle(rdev)) {
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printk(KERN_WARNING "Failed to wait MC idle while "
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"programming pipes. Bad things might happen.\n");
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}
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r100_mc_setup(rdev);
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return 0;
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}
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void r100_mc_fini(struct radeon_device *rdev)
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{
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r100_pci_gart_disable(rdev);
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// radeon_gart_table_ram_free(rdev);
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// radeon_gart_fini(rdev);
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}
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/*
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* Fence emission
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*/
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void r100_fence_ring_emit(struct radeon_device *rdev,
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struct radeon_fence *fence)
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{
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/* Who ever call radeon_fence_emit should call ring_lock and ask
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* for enough space (today caller are ib schedule and buffer move) */
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/* Wait until IDLE & CLEAN */
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radeon_ring_write(rdev, PACKET0(0x1720, 0));
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radeon_ring_write(rdev, (1 << 16) | (1 << 17));
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/* Emit fence sequence & fire IRQ */
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radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
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radeon_ring_write(rdev, fence->seq);
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radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
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radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
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}
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#if 0
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/*
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* Writeback
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*/
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int r100_wb_init(struct radeon_device *rdev)
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{
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int r;
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if (rdev->wb.wb_obj == NULL) {
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r = radeon_object_create(rdev, NULL, 4096,
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true,
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RADEON_GEM_DOMAIN_GTT,
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false, &rdev->wb.wb_obj);
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if (r) {
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DRM_ERROR("radeon: failed to create WB buffer (%d).\n", r);
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return r;
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}
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r = radeon_object_pin(rdev->wb.wb_obj,
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RADEON_GEM_DOMAIN_GTT,
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&rdev->wb.gpu_addr);
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if (r) {
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DRM_ERROR("radeon: failed to pin WB buffer (%d).\n", r);
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return r;
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}
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r = radeon_object_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb);
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if (r) {
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DRM_ERROR("radeon: failed to map WB buffer (%d).\n", r);
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return r;
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}
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}
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WREG32(0x774, rdev->wb.gpu_addr);
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WREG32(0x70C, rdev->wb.gpu_addr + 1024);
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WREG32(0x770, 0xff);
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return 0;
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}
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void r100_wb_fini(struct radeon_device *rdev)
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{
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if (rdev->wb.wb_obj) {
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// radeon_object_kunmap(rdev->wb.wb_obj);
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// radeon_object_unpin(rdev->wb.wb_obj);
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// radeon_object_unref(&rdev->wb.wb_obj);
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rdev->wb.wb = NULL;
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rdev->wb.wb_obj = NULL;
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}
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}
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int r100_copy_blit(struct radeon_device *rdev,
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uint64_t src_offset,
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uint64_t dst_offset,
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unsigned num_pages,
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struct radeon_fence *fence)
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{
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uint32_t cur_pages;
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uint32_t stride_bytes = PAGE_SIZE;
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uint32_t pitch;
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uint32_t stride_pixels;
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unsigned ndw;
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int num_loops;
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int r = 0;
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/* radeon limited to 16k stride */
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stride_bytes &= 0x3fff;
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/* radeon pitch is /64 */
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pitch = stride_bytes / 64;
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stride_pixels = stride_bytes / 4;
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num_loops = DIV_ROUND_UP(num_pages, 8191);
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/* Ask for enough room for blit + flush + fence */
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ndw = 64 + (10 * num_loops);
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r = radeon_ring_lock(rdev, ndw);
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if (r) {
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DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
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return -EINVAL;
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}
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while (num_pages > 0) {
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cur_pages = num_pages;
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if (cur_pages > 8191) {
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cur_pages = 8191;
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}
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num_pages -= cur_pages;
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/* pages are in Y direction - height
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page width in X direction - width */
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radeon_ring_write(rdev, PACKET3(PACKET3_BITBLT_MULTI, 8));
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radeon_ring_write(rdev,
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RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
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RADEON_GMC_DST_PITCH_OFFSET_CNTL |
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RADEON_GMC_SRC_CLIPPING |
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RADEON_GMC_DST_CLIPPING |
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RADEON_GMC_BRUSH_NONE |
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(RADEON_COLOR_FORMAT_ARGB8888 << 8) |
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RADEON_GMC_SRC_DATATYPE_COLOR |
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RADEON_ROP3_S |
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RADEON_DP_SRC_SOURCE_MEMORY |
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RADEON_GMC_CLR_CMP_CNTL_DIS |
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RADEON_GMC_WR_MSK_DIS);
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radeon_ring_write(rdev, (pitch << 22) | (src_offset >> 10));
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radeon_ring_write(rdev, (pitch << 22) | (dst_offset >> 10));
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radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
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radeon_ring_write(rdev, 0);
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radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
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radeon_ring_write(rdev, num_pages);
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radeon_ring_write(rdev, num_pages);
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radeon_ring_write(rdev, cur_pages | (stride_pixels << 16));
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}
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radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
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radeon_ring_write(rdev, RADEON_RB2D_DC_FLUSH_ALL);
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radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
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radeon_ring_write(rdev,
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RADEON_WAIT_2D_IDLECLEAN |
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RADEON_WAIT_HOST_IDLECLEAN |
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RADEON_WAIT_DMA_GUI_IDLE);
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if (fence) {
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r = radeon_fence_emit(rdev, fence);
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}
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radeon_ring_unlock_commit(rdev);
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return r;
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}
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#endif
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/*
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* CP
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*/
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void r100_ring_start(struct radeon_device *rdev)
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{
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int r;
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r = radeon_ring_lock(rdev, 2);
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if (r) {
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return;
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}
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radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
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radeon_ring_write(rdev,
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RADEON_ISYNC_ANY2D_IDLE3D |
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RADEON_ISYNC_ANY3D_IDLE2D |
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RADEON_ISYNC_WAIT_IDLEGUI |
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RADEON_ISYNC_CPSCRATCH_IDLEGUI);
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radeon_ring_unlock_commit(rdev);
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}
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static void r100_cp_load_microcode(struct radeon_device *rdev)
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{
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int i;
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if (r100_gui_wait_for_idle(rdev)) {
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printk(KERN_WARNING "Failed to wait GUI idle while "
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"programming pipes. Bad things might happen.\n");
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}
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WREG32(RADEON_CP_ME_RAM_ADDR, 0);
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if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
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(rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
|
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(rdev->family == CHIP_RS200)) {
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DRM_INFO("Loading R100 Microcode\n");
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for (i = 0; i < 256; i++) {
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WREG32(RADEON_CP_ME_RAM_DATAH, R100_cp_microcode[i][1]);
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WREG32(RADEON_CP_ME_RAM_DATAL, R100_cp_microcode[i][0]);
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}
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} else if ((rdev->family == CHIP_R200) ||
|
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(rdev->family == CHIP_RV250) ||
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(rdev->family == CHIP_RV280) ||
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(rdev->family == CHIP_RS300)) {
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|
DRM_INFO("Loading R200 Microcode\n");
|
|
for (i = 0; i < 256; i++) {
|
|
WREG32(RADEON_CP_ME_RAM_DATAH, R200_cp_microcode[i][1]);
|
|
WREG32(RADEON_CP_ME_RAM_DATAL, R200_cp_microcode[i][0]);
|
|
}
|
|
} else if ((rdev->family == CHIP_R300) ||
|
|
(rdev->family == CHIP_R350) ||
|
|
(rdev->family == CHIP_RV350) ||
|
|
(rdev->family == CHIP_RV380) ||
|
|
(rdev->family == CHIP_RS400) ||
|
|
(rdev->family == CHIP_RS480)) {
|
|
DRM_INFO("Loading R300 Microcode\n");
|
|
for (i = 0; i < 256; i++) {
|
|
WREG32(RADEON_CP_ME_RAM_DATAH, R300_cp_microcode[i][1]);
|
|
WREG32(RADEON_CP_ME_RAM_DATAL, R300_cp_microcode[i][0]);
|
|
}
|
|
} else if ((rdev->family == CHIP_R420) ||
|
|
(rdev->family == CHIP_R423) ||
|
|
(rdev->family == CHIP_RV410)) {
|
|
DRM_INFO("Loading R400 Microcode\n");
|
|
for (i = 0; i < 256; i++) {
|
|
WREG32(RADEON_CP_ME_RAM_DATAH, R420_cp_microcode[i][1]);
|
|
WREG32(RADEON_CP_ME_RAM_DATAL, R420_cp_microcode[i][0]);
|
|
}
|
|
} else if ((rdev->family == CHIP_RS690) ||
|
|
(rdev->family == CHIP_RS740)) {
|
|
DRM_INFO("Loading RS690/RS740 Microcode\n");
|
|
for (i = 0; i < 256; i++) {
|
|
WREG32(RADEON_CP_ME_RAM_DATAH, RS690_cp_microcode[i][1]);
|
|
WREG32(RADEON_CP_ME_RAM_DATAL, RS690_cp_microcode[i][0]);
|
|
}
|
|
} else if (rdev->family == CHIP_RS600) {
|
|
DRM_INFO("Loading RS600 Microcode\n");
|
|
for (i = 0; i < 256; i++) {
|
|
WREG32(RADEON_CP_ME_RAM_DATAH, RS600_cp_microcode[i][1]);
|
|
WREG32(RADEON_CP_ME_RAM_DATAL, RS600_cp_microcode[i][0]);
|
|
}
|
|
} else if ((rdev->family == CHIP_RV515) ||
|
|
(rdev->family == CHIP_R520) ||
|
|
(rdev->family == CHIP_RV530) ||
|
|
(rdev->family == CHIP_R580) ||
|
|
(rdev->family == CHIP_RV560) ||
|
|
(rdev->family == CHIP_RV570)) {
|
|
DRM_INFO("Loading R500 Microcode\n");
|
|
for (i = 0; i < 256; i++) {
|
|
WREG32(RADEON_CP_ME_RAM_DATAH, R520_cp_microcode[i][1]);
|
|
WREG32(RADEON_CP_ME_RAM_DATAL, R520_cp_microcode[i][0]);
|
|
}
|
|
}
|
|
}
|
|
|
|
int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
|
|
{
|
|
unsigned rb_bufsz;
|
|
unsigned rb_blksz;
|
|
unsigned max_fetch;
|
|
unsigned pre_write_timer;
|
|
unsigned pre_write_limit;
|
|
unsigned indirect2_start;
|
|
unsigned indirect1_start;
|
|
uint32_t tmp;
|
|
int r;
|
|
|
|
if (r100_debugfs_cp_init(rdev)) {
|
|
DRM_ERROR("Failed to register debugfs file for CP !\n");
|
|
}
|
|
/* Reset CP */
|
|
tmp = RREG32(RADEON_CP_CSQ_STAT);
|
|
if ((tmp & (1 << 31))) {
|
|
DRM_INFO("radeon: cp busy (0x%08X) resetting\n", tmp);
|
|
WREG32(RADEON_CP_CSQ_MODE, 0);
|
|
WREG32(RADEON_CP_CSQ_CNTL, 0);
|
|
WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP);
|
|
tmp = RREG32(RADEON_RBBM_SOFT_RESET);
|
|
mdelay(2);
|
|
WREG32(RADEON_RBBM_SOFT_RESET, 0);
|
|
tmp = RREG32(RADEON_RBBM_SOFT_RESET);
|
|
mdelay(2);
|
|
tmp = RREG32(RADEON_CP_CSQ_STAT);
|
|
if ((tmp & (1 << 31))) {
|
|
DRM_INFO("radeon: cp reset failed (0x%08X)\n", tmp);
|
|
}
|
|
} else {
|
|
DRM_INFO("radeon: cp idle (0x%08X)\n", tmp);
|
|
}
|
|
/* Align ring size */
|
|
rb_bufsz = drm_order(ring_size / 8);
|
|
ring_size = (1 << (rb_bufsz + 1)) * 4;
|
|
r100_cp_load_microcode(rdev);
|
|
r = radeon_ring_init(rdev, ring_size);
|
|
if (r) {
|
|
return r;
|
|
}
|
|
/* Each time the cp read 1024 bytes (16 dword/quadword) update
|
|
* the rptr copy in system ram */
|
|
rb_blksz = 9;
|
|
/* cp will read 128bytes at a time (4 dwords) */
|
|
max_fetch = 1;
|
|
rdev->cp.align_mask = 16 - 1;
|
|
/* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */
|
|
pre_write_timer = 64;
|
|
/* Force CP_RB_WPTR write if written more than one time before the
|
|
* delay expire
|
|
*/
|
|
pre_write_limit = 0;
|
|
/* Setup the cp cache like this (cache size is 96 dwords) :
|
|
* RING 0 to 15
|
|
* INDIRECT1 16 to 79
|
|
* INDIRECT2 80 to 95
|
|
* So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
|
|
* indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords))
|
|
* indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords))
|
|
* Idea being that most of the gpu cmd will be through indirect1 buffer
|
|
* so it gets the bigger cache.
|
|
*/
|
|
indirect2_start = 80;
|
|
indirect1_start = 16;
|
|
/* cp setup */
|
|
WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
|
|
WREG32(RADEON_CP_RB_CNTL,
|
|
#ifdef __BIG_ENDIAN
|
|
RADEON_BUF_SWAP_32BIT |
|
|
#endif
|
|
REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
|
|
REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
|
|
REG_SET(RADEON_MAX_FETCH, max_fetch) |
|
|
RADEON_RB_NO_UPDATE);
|
|
/* Set ring address */
|
|
DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)rdev->cp.gpu_addr);
|
|
WREG32(RADEON_CP_RB_BASE, rdev->cp.gpu_addr);
|
|
/* Force read & write ptr to 0 */
|
|
tmp = RREG32(RADEON_CP_RB_CNTL);
|
|
WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
|
|
WREG32(RADEON_CP_RB_RPTR_WR, 0);
|
|
WREG32(RADEON_CP_RB_WPTR, 0);
|
|
WREG32(RADEON_CP_RB_CNTL, tmp);
|
|
udelay(10);
|
|
rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
|
|
rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR);
|
|
/* Set cp mode to bus mastering & enable cp*/
|
|
WREG32(RADEON_CP_CSQ_MODE,
|
|
REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
|
|
REG_SET(RADEON_INDIRECT1_START, indirect1_start));
|
|
WREG32(0x718, 0);
|
|
WREG32(0x744, 0x00004D4D);
|
|
WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM);
|
|
radeon_ring_start(rdev);
|
|
r = radeon_ring_test(rdev);
|
|
if (r) {
|
|
DRM_ERROR("radeon: cp isn't working (%d).\n", r);
|
|
return r;
|
|
}
|
|
rdev->cp.ready = true;
|
|
return 0;
|
|
}
|
|
|
|
|
|
void r100_cp_fini(struct radeon_device *rdev)
|
|
{
|
|
/* Disable ring */
|
|
rdev->cp.ready = false;
|
|
WREG32(RADEON_CP_CSQ_CNTL, 0);
|
|
radeon_ring_fini(rdev);
|
|
DRM_INFO("radeon: cp finalized\n");
|
|
}
|
|
|
|
void r100_cp_disable(struct radeon_device *rdev)
|
|
{
|
|
/* Disable ring */
|
|
rdev->cp.ready = false;
|
|
WREG32(RADEON_CP_CSQ_MODE, 0);
|
|
WREG32(RADEON_CP_CSQ_CNTL, 0);
|
|
if (r100_gui_wait_for_idle(rdev)) {
|
|
printk(KERN_WARNING "Failed to wait GUI idle while "
|
|
"programming pipes. Bad things might happen.\n");
|
|
}
|
|
}
|
|
|
|
|
|
int r100_cp_reset(struct radeon_device *rdev)
|
|
{
|
|
uint32_t tmp;
|
|
bool reinit_cp;
|
|
int i;
|
|
|
|
dbgprintf("%s\n",__FUNCTION__);
|
|
|
|
|
|
reinit_cp = rdev->cp.ready;
|
|
rdev->cp.ready = false;
|
|
WREG32(RADEON_CP_CSQ_MODE, 0);
|
|
WREG32(RADEON_CP_CSQ_CNTL, 0);
|
|
WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP);
|
|
(void)RREG32(RADEON_RBBM_SOFT_RESET);
|
|
udelay(200);
|
|
WREG32(RADEON_RBBM_SOFT_RESET, 0);
|
|
/* Wait to prevent race in RBBM_STATUS */
|
|
mdelay(1);
|
|
for (i = 0; i < rdev->usec_timeout; i++) {
|
|
tmp = RREG32(RADEON_RBBM_STATUS);
|
|
if (!(tmp & (1 << 16))) {
|
|
DRM_INFO("CP reset succeed (RBBM_STATUS=0x%08X)\n",
|
|
tmp);
|
|
if (reinit_cp) {
|
|
return r100_cp_init(rdev, rdev->cp.ring_size);
|
|
}
|
|
return 0;
|
|
}
|
|
DRM_UDELAY(1);
|
|
}
|
|
tmp = RREG32(RADEON_RBBM_STATUS);
|
|
DRM_ERROR("Failed to reset CP (RBBM_STATUS=0x%08X)!\n", tmp);
|
|
return -1;
|
|
}
|
|
|
|
#if 0
|
|
/*
|
|
* CS functions
|
|
*/
|
|
int r100_cs_parse_packet0(struct radeon_cs_parser *p,
|
|
struct radeon_cs_packet *pkt,
|
|
const unsigned *auth, unsigned n,
|
|
radeon_packet0_check_t check)
|
|
{
|
|
unsigned reg;
|
|
unsigned i, j, m;
|
|
unsigned idx;
|
|
int r;
|
|
|
|
idx = pkt->idx + 1;
|
|
reg = pkt->reg;
|
|
/* Check that register fall into register range
|
|
* determined by the number of entry (n) in the
|
|
* safe register bitmap.
|
|
*/
|
|
if (pkt->one_reg_wr) {
|
|
if ((reg >> 7) > n) {
|
|
return -EINVAL;
|
|
}
|
|
} else {
|
|
if (((reg + (pkt->count << 2)) >> 7) > n) {
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
for (i = 0; i <= pkt->count; i++, idx++) {
|
|
j = (reg >> 7);
|
|
m = 1 << ((reg >> 2) & 31);
|
|
if (auth[j] & m) {
|
|
r = check(p, pkt, idx, reg);
|
|
if (r) {
|
|
return r;
|
|
}
|
|
}
|
|
if (pkt->one_reg_wr) {
|
|
if (!(auth[j] & m)) {
|
|
break;
|
|
}
|
|
} else {
|
|
reg += 4;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void r100_cs_dump_packet(struct radeon_cs_parser *p,
|
|
struct radeon_cs_packet *pkt)
|
|
{
|
|
struct radeon_cs_chunk *ib_chunk;
|
|
volatile uint32_t *ib;
|
|
unsigned i;
|
|
unsigned idx;
|
|
|
|
ib = p->ib->ptr;
|
|
ib_chunk = &p->chunks[p->chunk_ib_idx];
|
|
idx = pkt->idx;
|
|
for (i = 0; i <= (pkt->count + 1); i++, idx++) {
|
|
DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* r100_cs_packet_parse() - parse cp packet and point ib index to next packet
|
|
* @parser: parser structure holding parsing context.
|
|
* @pkt: where to store packet informations
|
|
*
|
|
* Assume that chunk_ib_index is properly set. Will return -EINVAL
|
|
* if packet is bigger than remaining ib size. or if packets is unknown.
|
|
**/
|
|
int r100_cs_packet_parse(struct radeon_cs_parser *p,
|
|
struct radeon_cs_packet *pkt,
|
|
unsigned idx)
|
|
{
|
|
struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
|
|
uint32_t header = ib_chunk->kdata[idx];
|
|
|
|
if (idx >= ib_chunk->length_dw) {
|
|
DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
|
|
idx, ib_chunk->length_dw);
|
|
return -EINVAL;
|
|
}
|
|
pkt->idx = idx;
|
|
pkt->type = CP_PACKET_GET_TYPE(header);
|
|
pkt->count = CP_PACKET_GET_COUNT(header);
|
|
switch (pkt->type) {
|
|
case PACKET_TYPE0:
|
|
pkt->reg = CP_PACKET0_GET_REG(header);
|
|
pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header);
|
|
break;
|
|
case PACKET_TYPE3:
|
|
pkt->opcode = CP_PACKET3_GET_OPCODE(header);
|
|
break;
|
|
case PACKET_TYPE2:
|
|
pkt->count = -1;
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
|
|
return -EINVAL;
|
|
}
|
|
if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
|
|
DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
|
|
pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* r100_cs_packet_next_reloc() - parse next packet which should be reloc packet3
|
|
* @parser: parser structure holding parsing context.
|
|
* @data: pointer to relocation data
|
|
* @offset_start: starting offset
|
|
* @offset_mask: offset mask (to align start offset on)
|
|
* @reloc: reloc informations
|
|
*
|
|
* Check next packet is relocation packet3, do bo validation and compute
|
|
* GPU offset using the provided start.
|
|
**/
|
|
int r100_cs_packet_next_reloc(struct radeon_cs_parser *p,
|
|
struct radeon_cs_reloc **cs_reloc)
|
|
{
|
|
struct radeon_cs_chunk *ib_chunk;
|
|
struct radeon_cs_chunk *relocs_chunk;
|
|
struct radeon_cs_packet p3reloc;
|
|
unsigned idx;
|
|
int r;
|
|
|
|
if (p->chunk_relocs_idx == -1) {
|
|
DRM_ERROR("No relocation chunk !\n");
|
|
return -EINVAL;
|
|
}
|
|
*cs_reloc = NULL;
|
|
ib_chunk = &p->chunks[p->chunk_ib_idx];
|
|
relocs_chunk = &p->chunks[p->chunk_relocs_idx];
|
|
r = r100_cs_packet_parse(p, &p3reloc, p->idx);
|
|
if (r) {
|
|
return r;
|
|
}
|
|
p->idx += p3reloc.count + 2;
|
|
if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
|
|
DRM_ERROR("No packet3 for relocation for packet at %d.\n",
|
|
p3reloc.idx);
|
|
r100_cs_dump_packet(p, &p3reloc);
|
|
return -EINVAL;
|
|
}
|
|
idx = ib_chunk->kdata[p3reloc.idx + 1];
|
|
if (idx >= relocs_chunk->length_dw) {
|
|
DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
|
|
idx, relocs_chunk->length_dw);
|
|
r100_cs_dump_packet(p, &p3reloc);
|
|
return -EINVAL;
|
|
}
|
|
/* FIXME: we assume reloc size is 4 dwords */
|
|
*cs_reloc = p->relocs_ptr[(idx / 4)];
|
|
return 0;
|
|
}
|
|
|
|
static int r100_packet0_check(struct radeon_cs_parser *p,
|
|
struct radeon_cs_packet *pkt)
|
|
{
|
|
struct radeon_cs_chunk *ib_chunk;
|
|
struct radeon_cs_reloc *reloc;
|
|
volatile uint32_t *ib;
|
|
uint32_t tmp;
|
|
unsigned reg;
|
|
unsigned i;
|
|
unsigned idx;
|
|
bool onereg;
|
|
int r;
|
|
|
|
ib = p->ib->ptr;
|
|
ib_chunk = &p->chunks[p->chunk_ib_idx];
|
|
idx = pkt->idx + 1;
|
|
reg = pkt->reg;
|
|
onereg = false;
|
|
if (CP_PACKET0_GET_ONE_REG_WR(ib_chunk->kdata[pkt->idx])) {
|
|
onereg = true;
|
|
}
|
|
for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
|
|
switch (reg) {
|
|
/* FIXME: only allow PACKET3 blit? easier to check for out of
|
|
* range access */
|
|
case RADEON_DST_PITCH_OFFSET:
|
|
case RADEON_SRC_PITCH_OFFSET:
|
|
r = r100_cs_packet_next_reloc(p, &reloc);
|
|
if (r) {
|
|
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
|
|
idx, reg);
|
|
r100_cs_dump_packet(p, pkt);
|
|
return r;
|
|
}
|
|
tmp = ib_chunk->kdata[idx] & 0x003fffff;
|
|
tmp += (((u32)reloc->lobj.gpu_offset) >> 10);
|
|
ib[idx] = (ib_chunk->kdata[idx] & 0xffc00000) | tmp;
|
|
break;
|
|
case RADEON_RB3D_DEPTHOFFSET:
|
|
case RADEON_RB3D_COLOROFFSET:
|
|
case R300_RB3D_COLOROFFSET0:
|
|
case R300_ZB_DEPTHOFFSET:
|
|
case R200_PP_TXOFFSET_0:
|
|
case R200_PP_TXOFFSET_1:
|
|
case R200_PP_TXOFFSET_2:
|
|
case R200_PP_TXOFFSET_3:
|
|
case R200_PP_TXOFFSET_4:
|
|
case R200_PP_TXOFFSET_5:
|
|
case RADEON_PP_TXOFFSET_0:
|
|
case RADEON_PP_TXOFFSET_1:
|
|
case RADEON_PP_TXOFFSET_2:
|
|
case R300_TX_OFFSET_0:
|
|
case R300_TX_OFFSET_0+4:
|
|
case R300_TX_OFFSET_0+8:
|
|
case R300_TX_OFFSET_0+12:
|
|
case R300_TX_OFFSET_0+16:
|
|
case R300_TX_OFFSET_0+20:
|
|
case R300_TX_OFFSET_0+24:
|
|
case R300_TX_OFFSET_0+28:
|
|
case R300_TX_OFFSET_0+32:
|
|
case R300_TX_OFFSET_0+36:
|
|
case R300_TX_OFFSET_0+40:
|
|
case R300_TX_OFFSET_0+44:
|
|
case R300_TX_OFFSET_0+48:
|
|
case R300_TX_OFFSET_0+52:
|
|
case R300_TX_OFFSET_0+56:
|
|
case R300_TX_OFFSET_0+60:
|
|
r = r100_cs_packet_next_reloc(p, &reloc);
|
|
if (r) {
|
|
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
|
|
idx, reg);
|
|
r100_cs_dump_packet(p, pkt);
|
|
return r;
|
|
}
|
|
ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
|
|
break;
|
|
default:
|
|
/* FIXME: we don't want to allow anyothers packet */
|
|
break;
|
|
}
|
|
if (onereg) {
|
|
/* FIXME: forbid onereg write to register on relocate */
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
|
|
struct radeon_cs_packet *pkt,
|
|
struct radeon_object *robj)
|
|
{
|
|
struct radeon_cs_chunk *ib_chunk;
|
|
unsigned idx;
|
|
|
|
ib_chunk = &p->chunks[p->chunk_ib_idx];
|
|
idx = pkt->idx + 1;
|
|
if ((ib_chunk->kdata[idx+2] + 1) > radeon_object_size(robj)) {
|
|
DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
|
|
"(need %u have %lu) !\n",
|
|
ib_chunk->kdata[idx+2] + 1,
|
|
radeon_object_size(robj));
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int r100_packet3_check(struct radeon_cs_parser *p,
|
|
struct radeon_cs_packet *pkt)
|
|
{
|
|
struct radeon_cs_chunk *ib_chunk;
|
|
struct radeon_cs_reloc *reloc;
|
|
unsigned idx;
|
|
unsigned i, c;
|
|
volatile uint32_t *ib;
|
|
int r;
|
|
|
|
ib = p->ib->ptr;
|
|
ib_chunk = &p->chunks[p->chunk_ib_idx];
|
|
idx = pkt->idx + 1;
|
|
switch (pkt->opcode) {
|
|
case PACKET3_3D_LOAD_VBPNTR:
|
|
c = ib_chunk->kdata[idx++];
|
|
for (i = 0; i < (c - 1); i += 2, idx += 3) {
|
|
r = r100_cs_packet_next_reloc(p, &reloc);
|
|
if (r) {
|
|
DRM_ERROR("No reloc for packet3 %d\n",
|
|
pkt->opcode);
|
|
r100_cs_dump_packet(p, pkt);
|
|
return r;
|
|
}
|
|
ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset);
|
|
r = r100_cs_packet_next_reloc(p, &reloc);
|
|
if (r) {
|
|
DRM_ERROR("No reloc for packet3 %d\n",
|
|
pkt->opcode);
|
|
r100_cs_dump_packet(p, pkt);
|
|
return r;
|
|
}
|
|
ib[idx+2] = ib_chunk->kdata[idx+2] + ((u32)reloc->lobj.gpu_offset);
|
|
}
|
|
if (c & 1) {
|
|
r = r100_cs_packet_next_reloc(p, &reloc);
|
|
if (r) {
|
|
DRM_ERROR("No reloc for packet3 %d\n",
|
|
pkt->opcode);
|
|
r100_cs_dump_packet(p, pkt);
|
|
return r;
|
|
}
|
|
ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset);
|
|
}
|
|
break;
|
|
case PACKET3_INDX_BUFFER:
|
|
r = r100_cs_packet_next_reloc(p, &reloc);
|
|
if (r) {
|
|
DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
|
|
r100_cs_dump_packet(p, pkt);
|
|
return r;
|
|
}
|
|
ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset);
|
|
r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
|
|
if (r) {
|
|
return r;
|
|
}
|
|
break;
|
|
case 0x23:
|
|
/* FIXME: cleanup */
|
|
/* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */
|
|
r = r100_cs_packet_next_reloc(p, &reloc);
|
|
if (r) {
|
|
DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
|
|
r100_cs_dump_packet(p, pkt);
|
|
return r;
|
|
}
|
|
ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
|
|
break;
|
|
case PACKET3_3D_DRAW_IMMD:
|
|
/* triggers drawing using in-packet vertex data */
|
|
case PACKET3_3D_DRAW_IMMD_2:
|
|
/* triggers drawing using in-packet vertex data */
|
|
case PACKET3_3D_DRAW_VBUF_2:
|
|
/* triggers drawing of vertex buffers setup elsewhere */
|
|
case PACKET3_3D_DRAW_INDX_2:
|
|
/* triggers drawing using indices to vertex buffer */
|
|
case PACKET3_3D_DRAW_VBUF:
|
|
/* triggers drawing of vertex buffers setup elsewhere */
|
|
case PACKET3_3D_DRAW_INDX:
|
|
/* triggers drawing using indices to vertex buffer */
|
|
case PACKET3_NOP:
|
|
break;
|
|
default:
|
|
DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int r100_cs_parse(struct radeon_cs_parser *p)
|
|
{
|
|
struct radeon_cs_packet pkt;
|
|
int r;
|
|
|
|
do {
|
|
r = r100_cs_packet_parse(p, &pkt, p->idx);
|
|
if (r) {
|
|
return r;
|
|
}
|
|
p->idx += pkt.count + 2;
|
|
switch (pkt.type) {
|
|
case PACKET_TYPE0:
|
|
r = r100_packet0_check(p, &pkt);
|
|
break;
|
|
case PACKET_TYPE2:
|
|
break;
|
|
case PACKET_TYPE3:
|
|
r = r100_packet3_check(p, &pkt);
|
|
break;
|
|
default:
|
|
DRM_ERROR("Unknown packet type %d !\n",
|
|
pkt.type);
|
|
return -EINVAL;
|
|
}
|
|
if (r) {
|
|
return r;
|
|
}
|
|
} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
/*
|
|
* Global GPU functions
|
|
*/
|
|
void r100_errata(struct radeon_device *rdev)
|
|
{
|
|
rdev->pll_errata = 0;
|
|
|
|
if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) {
|
|
rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS;
|
|
}
|
|
|
|
if (rdev->family == CHIP_RV100 ||
|
|
rdev->family == CHIP_RS100 ||
|
|
rdev->family == CHIP_RS200) {
|
|
rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/* Wait for vertical sync on primary CRTC */
|
|
void r100_gpu_wait_for_vsync(struct radeon_device *rdev)
|
|
{
|
|
uint32_t crtc_gen_cntl, tmp;
|
|
int i;
|
|
|
|
crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
|
|
if ((crtc_gen_cntl & RADEON_CRTC_DISP_REQ_EN_B) ||
|
|
!(crtc_gen_cntl & RADEON_CRTC_EN)) {
|
|
return;
|
|
}
|
|
/* Clear the CRTC_VBLANK_SAVE bit */
|
|
WREG32(RADEON_CRTC_STATUS, RADEON_CRTC_VBLANK_SAVE_CLEAR);
|
|
for (i = 0; i < rdev->usec_timeout; i++) {
|
|
tmp = RREG32(RADEON_CRTC_STATUS);
|
|
if (tmp & RADEON_CRTC_VBLANK_SAVE) {
|
|
return;
|
|
}
|
|
DRM_UDELAY(1);
|
|
}
|
|
}
|
|
|
|
/* Wait for vertical sync on secondary CRTC */
|
|
void r100_gpu_wait_for_vsync2(struct radeon_device *rdev)
|
|
{
|
|
uint32_t crtc2_gen_cntl, tmp;
|
|
int i;
|
|
|
|
crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
|
|
if ((crtc2_gen_cntl & RADEON_CRTC2_DISP_REQ_EN_B) ||
|
|
!(crtc2_gen_cntl & RADEON_CRTC2_EN))
|
|
return;
|
|
|
|
/* Clear the CRTC_VBLANK_SAVE bit */
|
|
WREG32(RADEON_CRTC2_STATUS, RADEON_CRTC2_VBLANK_SAVE_CLEAR);
|
|
for (i = 0; i < rdev->usec_timeout; i++) {
|
|
tmp = RREG32(RADEON_CRTC2_STATUS);
|
|
if (tmp & RADEON_CRTC2_VBLANK_SAVE) {
|
|
return;
|
|
}
|
|
DRM_UDELAY(1);
|
|
}
|
|
}
|
|
|
|
int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n)
|
|
{
|
|
unsigned i;
|
|
uint32_t tmp;
|
|
|
|
for (i = 0; i < rdev->usec_timeout; i++) {
|
|
tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
|
|
if (tmp >= n) {
|
|
return 0;
|
|
}
|
|
DRM_UDELAY(1);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int r100_gui_wait_for_idle(struct radeon_device *rdev)
|
|
{
|
|
unsigned i;
|
|
uint32_t tmp;
|
|
|
|
if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) {
|
|
printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !"
|
|
" Bad things might happen.\n");
|
|
}
|
|
for (i = 0; i < rdev->usec_timeout; i++) {
|
|
tmp = RREG32(RADEON_RBBM_STATUS);
|
|
if (!(tmp & (1 << 31))) {
|
|
return 0;
|
|
}
|
|
DRM_UDELAY(1);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int r100_mc_wait_for_idle(struct radeon_device *rdev)
|
|
{
|
|
unsigned i;
|
|
uint32_t tmp;
|
|
|
|
for (i = 0; i < rdev->usec_timeout; i++) {
|
|
/* read MC_STATUS */
|
|
tmp = RREG32(0x0150);
|
|
if (tmp & (1 << 2)) {
|
|
return 0;
|
|
}
|
|
DRM_UDELAY(1);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void r100_gpu_init(struct radeon_device *rdev)
|
|
{
|
|
/* TODO: anythings to do here ? pipes ? */
|
|
r100_hdp_reset(rdev);
|
|
}
|
|
|
|
void r100_hdp_reset(struct radeon_device *rdev)
|
|
{
|
|
uint32_t tmp;
|
|
|
|
dbgprintf("%s\n",__FUNCTION__);
|
|
|
|
tmp = RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL;
|
|
tmp |= (7 << 28);
|
|
WREG32(RADEON_HOST_PATH_CNTL, tmp | RADEON_HDP_SOFT_RESET | RADEON_HDP_READ_BUFFER_INVALIDATE);
|
|
(void)RREG32(RADEON_HOST_PATH_CNTL);
|
|
udelay(200);
|
|
WREG32(RADEON_RBBM_SOFT_RESET, 0);
|
|
WREG32(RADEON_HOST_PATH_CNTL, tmp);
|
|
(void)RREG32(RADEON_HOST_PATH_CNTL);
|
|
}
|
|
|
|
int r100_rb2d_reset(struct radeon_device *rdev)
|
|
{
|
|
uint32_t tmp;
|
|
int i;
|
|
|
|
dbgprintf("%s\n",__FUNCTION__);
|
|
|
|
WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_E2);
|
|
(void)RREG32(RADEON_RBBM_SOFT_RESET);
|
|
udelay(200);
|
|
WREG32(RADEON_RBBM_SOFT_RESET, 0);
|
|
/* Wait to prevent race in RBBM_STATUS */
|
|
mdelay(1);
|
|
for (i = 0; i < rdev->usec_timeout; i++) {
|
|
tmp = RREG32(RADEON_RBBM_STATUS);
|
|
if (!(tmp & (1 << 26))) {
|
|
DRM_INFO("RB2D reset succeed (RBBM_STATUS=0x%08X)\n",
|
|
tmp);
|
|
return 0;
|
|
}
|
|
DRM_UDELAY(1);
|
|
}
|
|
tmp = RREG32(RADEON_RBBM_STATUS);
|
|
DRM_ERROR("Failed to reset RB2D (RBBM_STATUS=0x%08X)!\n", tmp);
|
|
return -1;
|
|
}
|
|
|
|
int r100_gpu_reset(struct radeon_device *rdev)
|
|
{
|
|
uint32_t status;
|
|
|
|
/* reset order likely matter */
|
|
status = RREG32(RADEON_RBBM_STATUS);
|
|
/* reset HDP */
|
|
r100_hdp_reset(rdev);
|
|
/* reset rb2d */
|
|
if (status & ((1 << 17) | (1 << 18) | (1 << 27))) {
|
|
r100_rb2d_reset(rdev);
|
|
}
|
|
/* TODO: reset 3D engine */
|
|
/* reset CP */
|
|
status = RREG32(RADEON_RBBM_STATUS);
|
|
if (status & (1 << 16)) {
|
|
r100_cp_reset(rdev);
|
|
}
|
|
/* Check if GPU is idle */
|
|
status = RREG32(RADEON_RBBM_STATUS);
|
|
if (status & (1 << 31)) {
|
|
DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
|
|
return -1;
|
|
}
|
|
DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* VRAM info
|
|
*/
|
|
static void r100_vram_get_type(struct radeon_device *rdev)
|
|
{
|
|
uint32_t tmp;
|
|
|
|
rdev->mc.vram_is_ddr = false;
|
|
if (rdev->flags & RADEON_IS_IGP)
|
|
rdev->mc.vram_is_ddr = true;
|
|
else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR)
|
|
rdev->mc.vram_is_ddr = true;
|
|
if ((rdev->family == CHIP_RV100) ||
|
|
(rdev->family == CHIP_RS100) ||
|
|
(rdev->family == CHIP_RS200)) {
|
|
tmp = RREG32(RADEON_MEM_CNTL);
|
|
if (tmp & RV100_HALF_MODE) {
|
|
rdev->mc.vram_width = 32;
|
|
} else {
|
|
rdev->mc.vram_width = 64;
|
|
}
|
|
if (rdev->flags & RADEON_SINGLE_CRTC) {
|
|
rdev->mc.vram_width /= 4;
|
|
rdev->mc.vram_is_ddr = true;
|
|
}
|
|
} else if (rdev->family <= CHIP_RV280) {
|
|
tmp = RREG32(RADEON_MEM_CNTL);
|
|
if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) {
|
|
rdev->mc.vram_width = 128;
|
|
} else {
|
|
rdev->mc.vram_width = 64;
|
|
}
|
|
} else {
|
|
/* newer IGPs */
|
|
rdev->mc.vram_width = 128;
|
|
}
|
|
}
|
|
|
|
void r100_vram_info(struct radeon_device *rdev)
|
|
{
|
|
r100_vram_get_type(rdev);
|
|
|
|
if (rdev->flags & RADEON_IS_IGP) {
|
|
uint32_t tom;
|
|
/* read NB_TOM to get the amount of ram stolen for the GPU */
|
|
tom = RREG32(RADEON_NB_TOM);
|
|
rdev->mc.vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
|
|
WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.vram_size);
|
|
} else {
|
|
rdev->mc.vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
|
|
/* Some production boards of m6 will report 0
|
|
* if it's 8 MB
|
|
*/
|
|
if (rdev->mc.vram_size == 0) {
|
|
rdev->mc.vram_size = 8192 * 1024;
|
|
WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.vram_size);
|
|
}
|
|
}
|
|
|
|
rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
|
|
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
|
|
}
|
|
|
|
/*
|
|
* Indirect registers accessor
|
|
*/
|
|
void r100_pll_errata_after_index(struct radeon_device *rdev)
|
|
{
|
|
if (!(rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS)) {
|
|
return;
|
|
}
|
|
(void)RREG32(RADEON_CLOCK_CNTL_DATA);
|
|
(void)RREG32(RADEON_CRTC_GEN_CNTL);
|
|
}
|
|
|
|
static void r100_pll_errata_after_data(struct radeon_device *rdev)
|
|
{
|
|
/* This workarounds is necessary on RV100, RS100 and RS200 chips
|
|
* or the chip could hang on a subsequent access
|
|
*/
|
|
if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) {
|
|
udelay(5000);
|
|
}
|
|
|
|
/* This function is required to workaround 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.
|
|
*/
|
|
if (rdev->pll_errata & CHIP_ERRATA_R300_CG) {
|
|
uint32_t save, tmp;
|
|
|
|
save = RREG32(RADEON_CLOCK_CNTL_INDEX);
|
|
tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
|
|
WREG32(RADEON_CLOCK_CNTL_INDEX, tmp);
|
|
tmp = RREG32(RADEON_CLOCK_CNTL_DATA);
|
|
WREG32(RADEON_CLOCK_CNTL_INDEX, save);
|
|
}
|
|
}
|
|
|
|
uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg)
|
|
{
|
|
uint32_t data;
|
|
|
|
WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f);
|
|
r100_pll_errata_after_index(rdev);
|
|
data = RREG32(RADEON_CLOCK_CNTL_DATA);
|
|
r100_pll_errata_after_data(rdev);
|
|
return data;
|
|
}
|
|
|
|
void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
|
|
{
|
|
WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN));
|
|
r100_pll_errata_after_index(rdev);
|
|
WREG32(RADEON_CLOCK_CNTL_DATA, v);
|
|
r100_pll_errata_after_data(rdev);
|
|
}
|
|
|
|
uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
|
|
{
|
|
if (reg < 0x10000)
|
|
return readl(((void __iomem *)rdev->rmmio) + reg);
|
|
else {
|
|
writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
|
|
return readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
|
|
}
|
|
}
|
|
|
|
void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
|
|
{
|
|
if (reg < 0x10000)
|
|
writel(v, ((void __iomem *)rdev->rmmio) + reg);
|
|
else {
|
|
writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
|
|
writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
|
|
}
|
|
}
|
|
|
|
int r100_init(struct radeon_device *rdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Debugfs info
|
|
*/
|
|
#if defined(CONFIG_DEBUG_FS)
|
|
static int r100_debugfs_rbbm_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_info_node *node = (struct drm_info_node *) m->private;
|
|
struct drm_device *dev = node->minor->dev;
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
uint32_t reg, value;
|
|
unsigned i;
|
|
|
|
seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS));
|
|
seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C));
|
|
seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
|
|
for (i = 0; i < 64; i++) {
|
|
WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100);
|
|
reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2;
|
|
WREG32(RADEON_RBBM_CMDFIFO_ADDR, i);
|
|
value = RREG32(RADEON_RBBM_CMDFIFO_DATA);
|
|
seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_info_node *node = (struct drm_info_node *) m->private;
|
|
struct drm_device *dev = node->minor->dev;
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
uint32_t rdp, wdp;
|
|
unsigned count, i, j;
|
|
|
|
radeon_ring_free_size(rdev);
|
|
rdp = RREG32(RADEON_CP_RB_RPTR);
|
|
wdp = RREG32(RADEON_CP_RB_WPTR);
|
|
count = (rdp + rdev->cp.ring_size - wdp) & rdev->cp.ptr_mask;
|
|
seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
|
|
seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp);
|
|
seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
|
|
seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw);
|
|
seq_printf(m, "%u dwords in ring\n", count);
|
|
for (j = 0; j <= count; j++) {
|
|
i = (rdp + j) & rdev->cp.ptr_mask;
|
|
seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_info_node *node = (struct drm_info_node *) m->private;
|
|
struct drm_device *dev = node->minor->dev;
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
uint32_t csq_stat, csq2_stat, tmp;
|
|
unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr;
|
|
unsigned i;
|
|
|
|
seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT));
|
|
seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE));
|
|
csq_stat = RREG32(RADEON_CP_CSQ_STAT);
|
|
csq2_stat = RREG32(RADEON_CP_CSQ2_STAT);
|
|
r_rptr = (csq_stat >> 0) & 0x3ff;
|
|
r_wptr = (csq_stat >> 10) & 0x3ff;
|
|
ib1_rptr = (csq_stat >> 20) & 0x3ff;
|
|
ib1_wptr = (csq2_stat >> 0) & 0x3ff;
|
|
ib2_rptr = (csq2_stat >> 10) & 0x3ff;
|
|
ib2_wptr = (csq2_stat >> 20) & 0x3ff;
|
|
seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat);
|
|
seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat);
|
|
seq_printf(m, "Ring rptr %u\n", r_rptr);
|
|
seq_printf(m, "Ring wptr %u\n", r_wptr);
|
|
seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr);
|
|
seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr);
|
|
seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr);
|
|
seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr);
|
|
/* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms
|
|
* 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */
|
|
seq_printf(m, "Ring fifo:\n");
|
|
for (i = 0; i < 256; i++) {
|
|
WREG32(RADEON_CP_CSQ_ADDR, i << 2);
|
|
tmp = RREG32(RADEON_CP_CSQ_DATA);
|
|
seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp);
|
|
}
|
|
seq_printf(m, "Indirect1 fifo:\n");
|
|
for (i = 256; i <= 512; i++) {
|
|
WREG32(RADEON_CP_CSQ_ADDR, i << 2);
|
|
tmp = RREG32(RADEON_CP_CSQ_DATA);
|
|
seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp);
|
|
}
|
|
seq_printf(m, "Indirect2 fifo:\n");
|
|
for (i = 640; i < ib1_wptr; i++) {
|
|
WREG32(RADEON_CP_CSQ_ADDR, i << 2);
|
|
tmp = RREG32(RADEON_CP_CSQ_DATA);
|
|
seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int r100_debugfs_mc_info(struct seq_file *m, void *data)
|
|
{
|
|
struct drm_info_node *node = (struct drm_info_node *) m->private;
|
|
struct drm_device *dev = node->minor->dev;
|
|
struct radeon_device *rdev = dev->dev_private;
|
|
uint32_t tmp;
|
|
|
|
tmp = RREG32(RADEON_CONFIG_MEMSIZE);
|
|
seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp);
|
|
tmp = RREG32(RADEON_MC_FB_LOCATION);
|
|
seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp);
|
|
tmp = RREG32(RADEON_BUS_CNTL);
|
|
seq_printf(m, "BUS_CNTL 0x%08x\n", tmp);
|
|
tmp = RREG32(RADEON_MC_AGP_LOCATION);
|
|
seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp);
|
|
tmp = RREG32(RADEON_AGP_BASE);
|
|
seq_printf(m, "AGP_BASE 0x%08x\n", tmp);
|
|
tmp = RREG32(RADEON_HOST_PATH_CNTL);
|
|
seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp);
|
|
tmp = RREG32(0x01D0);
|
|
seq_printf(m, "AIC_CTRL 0x%08x\n", tmp);
|
|
tmp = RREG32(RADEON_AIC_LO_ADDR);
|
|
seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp);
|
|
tmp = RREG32(RADEON_AIC_HI_ADDR);
|
|
seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp);
|
|
tmp = RREG32(0x01E4);
|
|
seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp);
|
|
return 0;
|
|
}
|
|
|
|
static struct drm_info_list r100_debugfs_rbbm_list[] = {
|
|
{"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL},
|
|
};
|
|
|
|
static struct drm_info_list r100_debugfs_cp_list[] = {
|
|
{"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL},
|
|
{"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL},
|
|
};
|
|
|
|
static struct drm_info_list r100_debugfs_mc_info_list[] = {
|
|
{"r100_mc_info", r100_debugfs_mc_info, 0, NULL},
|
|
};
|
|
#endif
|
|
|
|
int r100_debugfs_rbbm_init(struct radeon_device *rdev)
|
|
{
|
|
#if defined(CONFIG_DEBUG_FS)
|
|
return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
int r100_debugfs_cp_init(struct radeon_device *rdev)
|
|
{
|
|
#if defined(CONFIG_DEBUG_FS)
|
|
return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
int r100_debugfs_mc_info_init(struct radeon_device *rdev)
|
|
{
|
|
#if defined(CONFIG_DEBUG_FS)
|
|
return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|