r100.c 93.9 KB
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/*
 * Copyright 2008 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 * Copyright 2009 Jerome Glisse.
 *
 * 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
 * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Dave Airlie
 *          Alex Deucher
 *          Jerome Glisse
 */
#include <linux/seq_file.h>
#include "drmP.h"
#include "drm.h"
#include "radeon_drm.h"
#include "radeon_reg.h"
#include "radeon.h"
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#include "r100d.h"
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#include "rs100d.h"
#include "rv200d.h"
#include "rv250d.h"
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#include <linux/firmware.h>
#include <linux/platform_device.h>

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#include "r100_reg_safe.h"
#include "rn50_reg_safe.h"

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/* Firmware Names */
#define FIRMWARE_R100		"radeon/R100_cp.bin"
#define FIRMWARE_R200		"radeon/R200_cp.bin"
#define FIRMWARE_R300		"radeon/R300_cp.bin"
#define FIRMWARE_R420		"radeon/R420_cp.bin"
#define FIRMWARE_RS690		"radeon/RS690_cp.bin"
#define FIRMWARE_RS600		"radeon/RS600_cp.bin"
#define FIRMWARE_R520		"radeon/R520_cp.bin"

MODULE_FIRMWARE(FIRMWARE_R100);
MODULE_FIRMWARE(FIRMWARE_R200);
MODULE_FIRMWARE(FIRMWARE_R300);
MODULE_FIRMWARE(FIRMWARE_R420);
MODULE_FIRMWARE(FIRMWARE_RS690);
MODULE_FIRMWARE(FIRMWARE_RS600);
MODULE_FIRMWARE(FIRMWARE_R520);
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#include "r100_track.h"

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/* This files gather functions specifics to:
 * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
 */

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/* hpd for digital panel detect/disconnect */
bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
{
	bool connected = false;

	switch (hpd) {
	case RADEON_HPD_1:
		if (RREG32(RADEON_FP_GEN_CNTL) & RADEON_FP_DETECT_SENSE)
			connected = true;
		break;
	case RADEON_HPD_2:
		if (RREG32(RADEON_FP2_GEN_CNTL) & RADEON_FP2_DETECT_SENSE)
			connected = true;
		break;
	default:
		break;
	}
	return connected;
}

void r100_hpd_set_polarity(struct radeon_device *rdev,
			   enum radeon_hpd_id hpd)
{
	u32 tmp;
	bool connected = r100_hpd_sense(rdev, hpd);

	switch (hpd) {
	case RADEON_HPD_1:
		tmp = RREG32(RADEON_FP_GEN_CNTL);
		if (connected)
			tmp &= ~RADEON_FP_DETECT_INT_POL;
		else
			tmp |= RADEON_FP_DETECT_INT_POL;
		WREG32(RADEON_FP_GEN_CNTL, tmp);
		break;
	case RADEON_HPD_2:
		tmp = RREG32(RADEON_FP2_GEN_CNTL);
		if (connected)
			tmp &= ~RADEON_FP2_DETECT_INT_POL;
		else
			tmp |= RADEON_FP2_DETECT_INT_POL;
		WREG32(RADEON_FP2_GEN_CNTL, tmp);
		break;
	default:
		break;
	}
}

void r100_hpd_init(struct radeon_device *rdev)
{
	struct drm_device *dev = rdev->ddev;
	struct drm_connector *connector;

	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
		switch (radeon_connector->hpd.hpd) {
		case RADEON_HPD_1:
			rdev->irq.hpd[0] = true;
			break;
		case RADEON_HPD_2:
			rdev->irq.hpd[1] = true;
			break;
		default:
			break;
		}
	}
	r100_irq_set(rdev);
}

void r100_hpd_fini(struct radeon_device *rdev)
{
	struct drm_device *dev = rdev->ddev;
	struct drm_connector *connector;

	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
		switch (radeon_connector->hpd.hpd) {
		case RADEON_HPD_1:
			rdev->irq.hpd[0] = false;
			break;
		case RADEON_HPD_2:
			rdev->irq.hpd[1] = false;
			break;
		default:
			break;
		}
	}
}

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/*
 * PCI GART
 */
void r100_pci_gart_tlb_flush(struct radeon_device *rdev)
{
	/* TODO: can we do somethings here ? */
	/* It seems hw only cache one entry so we should discard this
	 * entry otherwise if first GPU GART read hit this entry it
	 * could end up in wrong address. */
}

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int r100_pci_gart_init(struct radeon_device *rdev)
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{
	int r;

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	if (rdev->gart.table.ram.ptr) {
		WARN(1, "R100 PCI GART already initialized.\n");
		return 0;
	}
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	/* Initialize common gart structure */
	r = radeon_gart_init(rdev);
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	if (r)
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		return r;
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	rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
	rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
	rdev->asic->gart_set_page = &r100_pci_gart_set_page;
	return radeon_gart_table_ram_alloc(rdev);
}

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/* required on r1xx, r2xx, r300, r(v)350, r420/r481, rs400/rs480 */
void r100_enable_bm(struct radeon_device *rdev)
{
	uint32_t tmp;
	/* Enable bus mastering */
	tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS;
	WREG32(RADEON_BUS_CNTL, tmp);
}

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int r100_pci_gart_enable(struct radeon_device *rdev)
{
	uint32_t tmp;

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	/* discard memory request outside of configured range */
	tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
	WREG32(RADEON_AIC_CNTL, tmp);
	/* set address range for PCI address translate */
	WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_location);
	tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
	WREG32(RADEON_AIC_HI_ADDR, tmp);
	/* set PCI GART page-table base address */
	WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
	tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
	WREG32(RADEON_AIC_CNTL, tmp);
	r100_pci_gart_tlb_flush(rdev);
	rdev->gart.ready = true;
	return 0;
}

void r100_pci_gart_disable(struct radeon_device *rdev)
{
	uint32_t tmp;

	/* discard memory request outside of configured range */
	tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
	WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN);
	WREG32(RADEON_AIC_LO_ADDR, 0);
	WREG32(RADEON_AIC_HI_ADDR, 0);
}

int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
{
	if (i < 0 || i > rdev->gart.num_gpu_pages) {
		return -EINVAL;
	}
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	rdev->gart.table.ram.ptr[i] = cpu_to_le32(lower_32_bits(addr));
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	return 0;
}

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void r100_pci_gart_fini(struct radeon_device *rdev)
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{
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	r100_pci_gart_disable(rdev);
	radeon_gart_table_ram_free(rdev);
	radeon_gart_fini(rdev);
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}

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int r100_irq_set(struct radeon_device *rdev)
{
	uint32_t tmp = 0;

	if (rdev->irq.sw_int) {
		tmp |= RADEON_SW_INT_ENABLE;
	}
	if (rdev->irq.crtc_vblank_int[0]) {
		tmp |= RADEON_CRTC_VBLANK_MASK;
	}
	if (rdev->irq.crtc_vblank_int[1]) {
		tmp |= RADEON_CRTC2_VBLANK_MASK;
	}
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	if (rdev->irq.hpd[0]) {
		tmp |= RADEON_FP_DETECT_MASK;
	}
	if (rdev->irq.hpd[1]) {
		tmp |= RADEON_FP2_DETECT_MASK;
	}
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	WREG32(RADEON_GEN_INT_CNTL, tmp);
	return 0;
}

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void r100_irq_disable(struct radeon_device *rdev)
{
	u32 tmp;

	WREG32(R_000040_GEN_INT_CNTL, 0);
	/* Wait and acknowledge irq */
	mdelay(1);
	tmp = RREG32(R_000044_GEN_INT_STATUS);
	WREG32(R_000044_GEN_INT_STATUS, tmp);
}

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static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
{
	uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
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	uint32_t irq_mask = RADEON_SW_INT_TEST |
		RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT |
		RADEON_FP_DETECT_STAT | RADEON_FP2_DETECT_STAT;
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	if (irqs) {
		WREG32(RADEON_GEN_INT_STATUS, irqs);
	}
	return irqs & irq_mask;
}

int r100_irq_process(struct radeon_device *rdev)
{
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	uint32_t status, msi_rearm;
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	bool queue_hotplug = false;
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	status = r100_irq_ack(rdev);
	if (!status) {
		return IRQ_NONE;
	}
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	if (rdev->shutdown) {
		return IRQ_NONE;
	}
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	while (status) {
		/* SW interrupt */
		if (status & RADEON_SW_INT_TEST) {
			radeon_fence_process(rdev);
		}
		/* Vertical blank interrupts */
		if (status & RADEON_CRTC_VBLANK_STAT) {
			drm_handle_vblank(rdev->ddev, 0);
		}
		if (status & RADEON_CRTC2_VBLANK_STAT) {
			drm_handle_vblank(rdev->ddev, 1);
		}
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		if (status & RADEON_FP_DETECT_STAT) {
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			queue_hotplug = true;
			DRM_DEBUG("HPD1\n");
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		}
		if (status & RADEON_FP2_DETECT_STAT) {
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			queue_hotplug = true;
			DRM_DEBUG("HPD2\n");
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		}
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		status = r100_irq_ack(rdev);
	}
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	if (queue_hotplug)
		queue_work(rdev->wq, &rdev->hotplug_work);
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	if (rdev->msi_enabled) {
		switch (rdev->family) {
		case CHIP_RS400:
		case CHIP_RS480:
			msi_rearm = RREG32(RADEON_AIC_CNTL) & ~RS400_MSI_REARM;
			WREG32(RADEON_AIC_CNTL, msi_rearm);
			WREG32(RADEON_AIC_CNTL, msi_rearm | RS400_MSI_REARM);
			break;
		default:
			msi_rearm = RREG32(RADEON_MSI_REARM_EN) & ~RV370_MSI_REARM_EN;
			WREG32(RADEON_MSI_REARM_EN, msi_rearm);
			WREG32(RADEON_MSI_REARM_EN, msi_rearm | RV370_MSI_REARM_EN);
			break;
		}
	}
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	return IRQ_HANDLED;
}

u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
{
	if (crtc == 0)
		return RREG32(RADEON_CRTC_CRNT_FRAME);
	else
		return RREG32(RADEON_CRTC2_CRNT_FRAME);
}

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void r100_fence_ring_emit(struct radeon_device *rdev,
			  struct radeon_fence *fence)
{
	/* Who ever call radeon_fence_emit should call ring_lock and ask
	 * for enough space (today caller are ib schedule and buffer move) */
	/* Wait until IDLE & CLEAN */
	radeon_ring_write(rdev, PACKET0(0x1720, 0));
	radeon_ring_write(rdev, (1 << 16) | (1 << 17));
	/* Emit fence sequence & fire IRQ */
	radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
	radeon_ring_write(rdev, fence->seq);
	radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
	radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
}

int r100_wb_init(struct radeon_device *rdev)
{
	int r;

	if (rdev->wb.wb_obj == NULL) {
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		r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true,
					RADEON_GEM_DOMAIN_GTT,
					&rdev->wb.wb_obj);
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		if (r) {
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			dev_err(rdev->dev, "(%d) create WB buffer failed\n", r);
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			return r;
		}
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		r = radeon_bo_reserve(rdev->wb.wb_obj, false);
		if (unlikely(r != 0))
			return r;
		r = radeon_bo_pin(rdev->wb.wb_obj, RADEON_GEM_DOMAIN_GTT,
					&rdev->wb.gpu_addr);
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		if (r) {
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			dev_err(rdev->dev, "(%d) pin WB buffer failed\n", r);
			radeon_bo_unreserve(rdev->wb.wb_obj);
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			return r;
		}
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		r = radeon_bo_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb);
		radeon_bo_unreserve(rdev->wb.wb_obj);
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		if (r) {
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			dev_err(rdev->dev, "(%d) map WB buffer failed\n", r);
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			return r;
		}
	}
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	WREG32(R_000774_SCRATCH_ADDR, rdev->wb.gpu_addr);
	WREG32(R_00070C_CP_RB_RPTR_ADDR,
		S_00070C_RB_RPTR_ADDR((rdev->wb.gpu_addr + 1024) >> 2));
	WREG32(R_000770_SCRATCH_UMSK, 0xff);
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	return 0;
}

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void r100_wb_disable(struct radeon_device *rdev)
{
	WREG32(R_000770_SCRATCH_UMSK, 0);
}

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void r100_wb_fini(struct radeon_device *rdev)
{
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	int r;

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	r100_wb_disable(rdev);
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	if (rdev->wb.wb_obj) {
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		r = radeon_bo_reserve(rdev->wb.wb_obj, false);
		if (unlikely(r != 0)) {
			dev_err(rdev->dev, "(%d) can't finish WB\n", r);
			return;
		}
		radeon_bo_kunmap(rdev->wb.wb_obj);
		radeon_bo_unpin(rdev->wb.wb_obj);
		radeon_bo_unreserve(rdev->wb.wb_obj);
		radeon_bo_unref(&rdev->wb.wb_obj);
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		rdev->wb.wb = NULL;
		rdev->wb.wb_obj = NULL;
	}
}

int r100_copy_blit(struct radeon_device *rdev,
		   uint64_t src_offset,
		   uint64_t dst_offset,
		   unsigned num_pages,
		   struct radeon_fence *fence)
{
	uint32_t cur_pages;
	uint32_t stride_bytes = PAGE_SIZE;
	uint32_t pitch;
	uint32_t stride_pixels;
	unsigned ndw;
	int num_loops;
	int r = 0;

	/* radeon limited to 16k stride */
	stride_bytes &= 0x3fff;
	/* radeon pitch is /64 */
	pitch = stride_bytes / 64;
	stride_pixels = stride_bytes / 4;
	num_loops = DIV_ROUND_UP(num_pages, 8191);

	/* Ask for enough room for blit + flush + fence */
	ndw = 64 + (10 * num_loops);
	r = radeon_ring_lock(rdev, ndw);
	if (r) {
		DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
		return -EINVAL;
	}
	while (num_pages > 0) {
		cur_pages = num_pages;
		if (cur_pages > 8191) {
			cur_pages = 8191;
		}
		num_pages -= cur_pages;

		/* pages are in Y direction - height
		   page width in X direction - width */
		radeon_ring_write(rdev, PACKET3(PACKET3_BITBLT_MULTI, 8));
		radeon_ring_write(rdev,
				  RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
				  RADEON_GMC_DST_PITCH_OFFSET_CNTL |
				  RADEON_GMC_SRC_CLIPPING |
				  RADEON_GMC_DST_CLIPPING |
				  RADEON_GMC_BRUSH_NONE |
				  (RADEON_COLOR_FORMAT_ARGB8888 << 8) |
				  RADEON_GMC_SRC_DATATYPE_COLOR |
				  RADEON_ROP3_S |
				  RADEON_DP_SRC_SOURCE_MEMORY |
				  RADEON_GMC_CLR_CMP_CNTL_DIS |
				  RADEON_GMC_WR_MSK_DIS);
		radeon_ring_write(rdev, (pitch << 22) | (src_offset >> 10));
		radeon_ring_write(rdev, (pitch << 22) | (dst_offset >> 10));
		radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
		radeon_ring_write(rdev, 0);
		radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
		radeon_ring_write(rdev, num_pages);
		radeon_ring_write(rdev, num_pages);
		radeon_ring_write(rdev, cur_pages | (stride_pixels << 16));
	}
	radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
	radeon_ring_write(rdev, RADEON_RB2D_DC_FLUSH_ALL);
	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
	radeon_ring_write(rdev,
			  RADEON_WAIT_2D_IDLECLEAN |
			  RADEON_WAIT_HOST_IDLECLEAN |
			  RADEON_WAIT_DMA_GUI_IDLE);
	if (fence) {
		r = radeon_fence_emit(rdev, fence);
	}
	radeon_ring_unlock_commit(rdev);
	return r;
}

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static int r100_cp_wait_for_idle(struct radeon_device *rdev)
{
	unsigned i;
	u32 tmp;

	for (i = 0; i < rdev->usec_timeout; i++) {
		tmp = RREG32(R_000E40_RBBM_STATUS);
		if (!G_000E40_CP_CMDSTRM_BUSY(tmp)) {
			return 0;
		}
		udelay(1);
	}
	return -1;
}

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void r100_ring_start(struct radeon_device *rdev)
{
	int r;

	r = radeon_ring_lock(rdev, 2);
	if (r) {
		return;
	}
	radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
	radeon_ring_write(rdev,
			  RADEON_ISYNC_ANY2D_IDLE3D |
			  RADEON_ISYNC_ANY3D_IDLE2D |
			  RADEON_ISYNC_WAIT_IDLEGUI |
			  RADEON_ISYNC_CPSCRATCH_IDLEGUI);
	radeon_ring_unlock_commit(rdev);
}

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/* Load the microcode for the CP */
static int r100_cp_init_microcode(struct radeon_device *rdev)
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{
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	struct platform_device *pdev;
	const char *fw_name = NULL;
	int err;
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	DRM_DEBUG("\n");
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	pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0);
	err = IS_ERR(pdev);
	if (err) {
		printk(KERN_ERR "radeon_cp: Failed to register firmware\n");
		return -EINVAL;
	}
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	if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) ||
	    (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) ||
	    (rdev->family == CHIP_RS200)) {
		DRM_INFO("Loading R100 Microcode\n");
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		fw_name = FIRMWARE_R100;
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	} else if ((rdev->family == CHIP_R200) ||
		   (rdev->family == CHIP_RV250) ||
		   (rdev->family == CHIP_RV280) ||
		   (rdev->family == CHIP_RS300)) {
		DRM_INFO("Loading R200 Microcode\n");
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		fw_name = FIRMWARE_R200;
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	} 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");
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Ben Hutchings 已提交
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		fw_name = FIRMWARE_R300;
567 568 569 570
	} else if ((rdev->family == CHIP_R420) ||
		   (rdev->family == CHIP_R423) ||
		   (rdev->family == CHIP_RV410)) {
		DRM_INFO("Loading R400 Microcode\n");
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Ben Hutchings 已提交
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		fw_name = FIRMWARE_R420;
572 573 574
	} else if ((rdev->family == CHIP_RS690) ||
		   (rdev->family == CHIP_RS740)) {
		DRM_INFO("Loading RS690/RS740 Microcode\n");
B
Ben Hutchings 已提交
575
		fw_name = FIRMWARE_RS690;
576 577
	} else if (rdev->family == CHIP_RS600) {
		DRM_INFO("Loading RS600 Microcode\n");
B
Ben Hutchings 已提交
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		fw_name = FIRMWARE_RS600;
579 580 581 582 583 584 585
	} 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");
B
Ben Hutchings 已提交
586 587 588
		fw_name = FIRMWARE_R520;
	}

589
	err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev);
B
Ben Hutchings 已提交
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	platform_device_unregister(pdev);
	if (err) {
		printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
		       fw_name);
594
	} else if (rdev->me_fw->size % 8) {
B
Ben Hutchings 已提交
595 596
		printk(KERN_ERR
		       "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
597
		       rdev->me_fw->size, fw_name);
B
Ben Hutchings 已提交
598
		err = -EINVAL;
599 600
		release_firmware(rdev->me_fw);
		rdev->me_fw = NULL;
B
Ben Hutchings 已提交
601 602 603
	}
	return err;
}
604

B
Ben Hutchings 已提交
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static void r100_cp_load_microcode(struct radeon_device *rdev)
{
	const __be32 *fw_data;
	int i, size;

	if (r100_gui_wait_for_idle(rdev)) {
		printk(KERN_WARNING "Failed to wait GUI idle while "
		       "programming pipes. Bad things might happen.\n");
	}

615 616 617
	if (rdev->me_fw) {
		size = rdev->me_fw->size / 4;
		fw_data = (const __be32 *)&rdev->me_fw->data[0];
B
Ben Hutchings 已提交
618 619 620 621 622 623
		WREG32(RADEON_CP_ME_RAM_ADDR, 0);
		for (i = 0; i < size; i += 2) {
			WREG32(RADEON_CP_ME_RAM_DATAH,
			       be32_to_cpup(&fw_data[i]));
			WREG32(RADEON_CP_ME_RAM_DATAL,
			       be32_to_cpup(&fw_data[i + 1]));
624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661
		}
	}
}

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);
	}
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Ben Hutchings 已提交
662

663
	if (!rdev->me_fw) {
B
Ben Hutchings 已提交
664 665 666 667 668 669 670
		r = r100_cp_init_microcode(rdev);
		if (r) {
			DRM_ERROR("Failed to load firmware!\n");
			return r;
		}
	}

671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704
	/* 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));
705
	tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
706 707 708
	       REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
	       REG_SET(RADEON_MAX_FETCH, max_fetch) |
	       RADEON_RB_NO_UPDATE);
709 710 711 712 713
#ifdef __BIG_ENDIAN
	tmp |= RADEON_BUF_SWAP_32BIT;
#endif
	WREG32(RADEON_CP_RB_CNTL, tmp);

714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743
	/* 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 */
	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)
{
744 745 746
	if (r100_cp_wait_for_idle(rdev)) {
		DRM_ERROR("Wait for CP idle timeout, shutting down CP.\n");
	}
747
	/* Disable ring */
748
	r100_cp_disable(rdev);
749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797
	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;

	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;
}

798 799 800 801 802 803
void r100_cp_commit(struct radeon_device *rdev)
{
	WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
	(void)RREG32(RADEON_CP_RB_WPTR);
}

804 805 806 807 808 809

/*
 * CS functions
 */
int r100_cs_parse_packet0(struct radeon_cs_parser *p,
			  struct radeon_cs_packet *pkt,
810
			  const unsigned *auth, unsigned n,
811 812 813 814 815 816 817 818 819
			  radeon_packet0_check_t check)
{
	unsigned reg;
	unsigned i, j, m;
	unsigned idx;
	int r;

	idx = pkt->idx + 1;
	reg = pkt->reg;
820 821 822 823
	/* Check that register fall into register range
	 * determined by the number of entry (n) in the
	 * safe register bitmap.
	 */
824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879
	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)
{
	volatile uint32_t *ib;
	unsigned i;
	unsigned idx;

	ib = p->ib->ptr;
	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];
R
Roel Kluin 已提交
880
	uint32_t header;
881 882 883 884 885 886

	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;
	}
887
	header = radeon_get_ib_value(p, idx);
888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913
	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;
}

914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936
/**
 * r100_cs_packet_next_vline() - parse userspace VLINE packet
 * @parser:		parser structure holding parsing context.
 *
 * Userspace sends a special sequence for VLINE waits.
 * PACKET0 - VLINE_START_END + value
 * PACKET0 - WAIT_UNTIL +_value
 * RELOC (P3) - crtc_id in reloc.
 *
 * This function parses this and relocates the VLINE START END
 * and WAIT UNTIL packets to the correct crtc.
 * It also detects a switched off crtc and nulls out the
 * wait in that case.
 */
int r100_cs_packet_parse_vline(struct radeon_cs_parser *p)
{
	struct drm_mode_object *obj;
	struct drm_crtc *crtc;
	struct radeon_crtc *radeon_crtc;
	struct radeon_cs_packet p3reloc, waitreloc;
	int crtc_id;
	int r;
	uint32_t header, h_idx, reg;
937
	volatile uint32_t *ib;
938

939
	ib = p->ib->ptr;
940 941 942 943 944 945 946 947 948 949 950 951 952 953

	/* parse the wait until */
	r = r100_cs_packet_parse(p, &waitreloc, p->idx);
	if (r)
		return r;

	/* check its a wait until and only 1 count */
	if (waitreloc.reg != RADEON_WAIT_UNTIL ||
	    waitreloc.count != 0) {
		DRM_ERROR("vline wait had illegal wait until segment\n");
		r = -EINVAL;
		return r;
	}

954
	if (radeon_get_ib_value(p, waitreloc.idx + 1) != RADEON_WAIT_CRTC_VLINE) {
955 956 957 958 959 960
		DRM_ERROR("vline wait had illegal wait until\n");
		r = -EINVAL;
		return r;
	}

	/* jump over the NOP */
961
	r = r100_cs_packet_parse(p, &p3reloc, p->idx + waitreloc.count + 2);
962 963 964 965
	if (r)
		return r;

	h_idx = p->idx - 2;
966 967
	p->idx += waitreloc.count + 2;
	p->idx += p3reloc.count + 2;
968

969 970
	header = radeon_get_ib_value(p, h_idx);
	crtc_id = radeon_get_ib_value(p, h_idx + 5);
971
	reg = CP_PACKET0_GET_REG(header);
972 973 974 975 976 977 978 979 980 981 982 983 984
	mutex_lock(&p->rdev->ddev->mode_config.mutex);
	obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
	if (!obj) {
		DRM_ERROR("cannot find crtc %d\n", crtc_id);
		r = -EINVAL;
		goto out;
	}
	crtc = obj_to_crtc(obj);
	radeon_crtc = to_radeon_crtc(crtc);
	crtc_id = radeon_crtc->crtc_id;

	if (!crtc->enabled) {
		/* if the CRTC isn't enabled - we need to nop out the wait until */
985 986
		ib[h_idx + 2] = PACKET2(0);
		ib[h_idx + 3] = PACKET2(0);
987 988 989
	} else if (crtc_id == 1) {
		switch (reg) {
		case AVIVO_D1MODE_VLINE_START_END:
990
			header &= ~R300_CP_PACKET0_REG_MASK;
991 992 993
			header |= AVIVO_D2MODE_VLINE_START_END >> 2;
			break;
		case RADEON_CRTC_GUI_TRIG_VLINE:
994
			header &= ~R300_CP_PACKET0_REG_MASK;
995 996 997 998 999 1000 1001
			header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2;
			break;
		default:
			DRM_ERROR("unknown crtc reloc\n");
			r = -EINVAL;
			goto out;
		}
1002 1003
		ib[h_idx] = header;
		ib[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1;
1004 1005 1006 1007 1008 1009
	}
out:
	mutex_unlock(&p->rdev->ddev->mode_config.mutex);
	return r;
}

1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045
/**
 * 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 *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;
	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;
	}
1046
	idx = radeon_get_ib_value(p, p3reloc.idx + 1);
1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057
	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;
}

1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110
static int r100_get_vtx_size(uint32_t vtx_fmt)
{
	int vtx_size;
	vtx_size = 2;
	/* ordered according to bits in spec */
	if (vtx_fmt & RADEON_SE_VTX_FMT_W0)
		vtx_size++;
	if (vtx_fmt & RADEON_SE_VTX_FMT_FPCOLOR)
		vtx_size += 3;
	if (vtx_fmt & RADEON_SE_VTX_FMT_FPALPHA)
		vtx_size++;
	if (vtx_fmt & RADEON_SE_VTX_FMT_PKCOLOR)
		vtx_size++;
	if (vtx_fmt & RADEON_SE_VTX_FMT_FPSPEC)
		vtx_size += 3;
	if (vtx_fmt & RADEON_SE_VTX_FMT_FPFOG)
		vtx_size++;
	if (vtx_fmt & RADEON_SE_VTX_FMT_PKSPEC)
		vtx_size++;
	if (vtx_fmt & RADEON_SE_VTX_FMT_ST0)
		vtx_size += 2;
	if (vtx_fmt & RADEON_SE_VTX_FMT_ST1)
		vtx_size += 2;
	if (vtx_fmt & RADEON_SE_VTX_FMT_Q1)
		vtx_size++;
	if (vtx_fmt & RADEON_SE_VTX_FMT_ST2)
		vtx_size += 2;
	if (vtx_fmt & RADEON_SE_VTX_FMT_Q2)
		vtx_size++;
	if (vtx_fmt & RADEON_SE_VTX_FMT_ST3)
		vtx_size += 2;
	if (vtx_fmt & RADEON_SE_VTX_FMT_Q3)
		vtx_size++;
	if (vtx_fmt & RADEON_SE_VTX_FMT_Q0)
		vtx_size++;
	/* blend weight */
	if (vtx_fmt & (0x7 << 15))
		vtx_size += (vtx_fmt >> 15) & 0x7;
	if (vtx_fmt & RADEON_SE_VTX_FMT_N0)
		vtx_size += 3;
	if (vtx_fmt & RADEON_SE_VTX_FMT_XY1)
		vtx_size += 2;
	if (vtx_fmt & RADEON_SE_VTX_FMT_Z1)
		vtx_size++;
	if (vtx_fmt & RADEON_SE_VTX_FMT_W1)
		vtx_size++;
	if (vtx_fmt & RADEON_SE_VTX_FMT_N1)
		vtx_size++;
	if (vtx_fmt & RADEON_SE_VTX_FMT_Z)
		vtx_size++;
	return vtx_size;
}

1111
static int r100_packet0_check(struct radeon_cs_parser *p,
1112 1113
			      struct radeon_cs_packet *pkt,
			      unsigned idx, unsigned reg)
1114 1115
{
	struct radeon_cs_reloc *reloc;
1116
	struct r100_cs_track *track;
1117 1118 1119
	volatile uint32_t *ib;
	uint32_t tmp;
	int r;
1120
	int i, face;
1121
	u32 tile_flags = 0;
1122
	u32 idx_value;
1123 1124

	ib = p->ib->ptr;
1125 1126
	track = (struct r100_cs_track *)p->track;

1127 1128
	idx_value = radeon_get_ib_value(p, idx);

1129 1130 1131 1132 1133 1134 1135 1136 1137 1138
	switch (reg) {
	case RADEON_CRTC_GUI_TRIG_VLINE:
		r = r100_cs_packet_parse_vline(p);
		if (r) {
			DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
				  idx, reg);
			r100_cs_dump_packet(p, pkt);
			return r;
		}
		break;
1139 1140
		/* FIXME: only allow PACKET3 blit? easier to check for out of
		 * range access */
1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155
	case RADEON_DST_PITCH_OFFSET:
	case RADEON_SRC_PITCH_OFFSET:
		r = r100_reloc_pitch_offset(p, pkt, idx, reg);
		if (r)
			return r;
		break;
	case RADEON_RB3D_DEPTHOFFSET:
		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;
		}
		track->zb.robj = reloc->robj;
1156 1157
		track->zb.offset = idx_value;
		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1158 1159 1160 1161 1162 1163 1164 1165 1166 1167
		break;
	case RADEON_RB3D_COLOROFFSET:
		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;
		}
		track->cb[0].robj = reloc->robj;
1168 1169
		track->cb[0].offset = idx_value;
		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181
		break;
	case RADEON_PP_TXOFFSET_0:
	case RADEON_PP_TXOFFSET_1:
	case RADEON_PP_TXOFFSET_2:
		i = (reg - RADEON_PP_TXOFFSET_0) / 24;
		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;
		}
1182
		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197
		track->textures[i].robj = reloc->robj;
		break;
	case RADEON_PP_CUBIC_OFFSET_T0_0:
	case RADEON_PP_CUBIC_OFFSET_T0_1:
	case RADEON_PP_CUBIC_OFFSET_T0_2:
	case RADEON_PP_CUBIC_OFFSET_T0_3:
	case RADEON_PP_CUBIC_OFFSET_T0_4:
		i = (reg - RADEON_PP_CUBIC_OFFSET_T0_0) / 4;
		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;
		}
1198 1199
		track->textures[0].cube_info[i].offset = idx_value;
		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214
		track->textures[0].cube_info[i].robj = reloc->robj;
		break;
	case RADEON_PP_CUBIC_OFFSET_T1_0:
	case RADEON_PP_CUBIC_OFFSET_T1_1:
	case RADEON_PP_CUBIC_OFFSET_T1_2:
	case RADEON_PP_CUBIC_OFFSET_T1_3:
	case RADEON_PP_CUBIC_OFFSET_T1_4:
		i = (reg - RADEON_PP_CUBIC_OFFSET_T1_0) / 4;
		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;
		}
1215 1216
		track->textures[1].cube_info[i].offset = idx_value;
		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231
		track->textures[1].cube_info[i].robj = reloc->robj;
		break;
	case RADEON_PP_CUBIC_OFFSET_T2_0:
	case RADEON_PP_CUBIC_OFFSET_T2_1:
	case RADEON_PP_CUBIC_OFFSET_T2_2:
	case RADEON_PP_CUBIC_OFFSET_T2_3:
	case RADEON_PP_CUBIC_OFFSET_T2_4:
		i = (reg - RADEON_PP_CUBIC_OFFSET_T2_0) / 4;
		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;
		}
1232 1233
		track->textures[2].cube_info[i].offset = idx_value;
		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1234 1235 1236
		track->textures[2].cube_info[i].robj = reloc->robj;
		break;
	case RADEON_RE_WIDTH_HEIGHT:
1237
		track->maxy = ((idx_value >> 16) & 0x7FF);
1238 1239 1240 1241 1242 1243 1244 1245 1246
		break;
	case RADEON_RB3D_COLORPITCH:
		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;
		}
1247

1248 1249 1250 1251
		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
			tile_flags |= RADEON_COLOR_TILE_ENABLE;
		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
			tile_flags |= RADEON_COLOR_MICROTILE_ENABLE;
1252

1253
		tmp = idx_value & ~(0x7 << 16);
1254 1255
		tmp |= tile_flags;
		ib[idx] = tmp;
1256

1257
		track->cb[0].pitch = idx_value & RADEON_COLORPITCH_MASK;
1258 1259
		break;
	case RADEON_RB3D_DEPTHPITCH:
1260
		track->zb.pitch = idx_value & RADEON_DEPTHPITCH_MASK;
1261 1262
		break;
	case RADEON_RB3D_CNTL:
1263
		switch ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f) {
1264 1265 1266 1267 1268 1269
		case 7:
		case 8:
		case 9:
		case 11:
		case 12:
			track->cb[0].cpp = 1;
1270
			break;
1271 1272 1273 1274 1275 1276 1277 1278 1279 1280
		case 3:
		case 4:
		case 15:
			track->cb[0].cpp = 2;
			break;
		case 6:
			track->cb[0].cpp = 4;
			break;
		default:
			DRM_ERROR("Invalid color buffer format (%d) !\n",
1281
				  ((idx_value >> RADEON_RB3D_COLOR_FORMAT_SHIFT) & 0x1f));
1282 1283
			return -EINVAL;
		}
1284
		track->z_enabled = !!(idx_value & RADEON_Z_ENABLE);
1285 1286
		break;
	case RADEON_RB3D_ZSTENCILCNTL:
1287
		switch (idx_value & 0xf) {
1288 1289 1290 1291 1292 1293 1294 1295 1296 1297
		case 0:
			track->zb.cpp = 2;
			break;
		case 2:
		case 3:
		case 4:
		case 5:
		case 9:
		case 11:
			track->zb.cpp = 4;
1298
			break;
1299 1300 1301
		default:
			break;
		}
1302 1303 1304 1305 1306 1307 1308 1309 1310
		break;
	case RADEON_RB3D_ZPASS_ADDR:
		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;
		}
1311
		ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
1312 1313 1314
		break;
	case RADEON_PP_CNTL:
		{
1315
			uint32_t temp = idx_value >> 4;
1316 1317 1318 1319 1320
			for (i = 0; i < track->num_texture; i++)
				track->textures[i].enabled = !!(temp & (1 << i));
		}
		break;
	case RADEON_SE_VF_CNTL:
1321
		track->vap_vf_cntl = idx_value;
1322 1323
		break;
	case RADEON_SE_VTX_FMT:
1324
		track->vtx_size = r100_get_vtx_size(idx_value);
1325 1326 1327 1328 1329
		break;
	case RADEON_PP_TEX_SIZE_0:
	case RADEON_PP_TEX_SIZE_1:
	case RADEON_PP_TEX_SIZE_2:
		i = (reg - RADEON_PP_TEX_SIZE_0) / 8;
1330 1331
		track->textures[i].width = (idx_value & RADEON_TEX_USIZE_MASK) + 1;
		track->textures[i].height = ((idx_value & RADEON_TEX_VSIZE_MASK) >> RADEON_TEX_VSIZE_SHIFT) + 1;
1332 1333 1334 1335 1336
		break;
	case RADEON_PP_TEX_PITCH_0:
	case RADEON_PP_TEX_PITCH_1:
	case RADEON_PP_TEX_PITCH_2:
		i = (reg - RADEON_PP_TEX_PITCH_0) / 8;
1337
		track->textures[i].pitch = idx_value + 32;
1338 1339 1340 1341 1342
		break;
	case RADEON_PP_TXFILTER_0:
	case RADEON_PP_TXFILTER_1:
	case RADEON_PP_TXFILTER_2:
		i = (reg - RADEON_PP_TXFILTER_0) / 24;
1343
		track->textures[i].num_levels = ((idx_value & RADEON_MAX_MIP_LEVEL_MASK)
1344
						 >> RADEON_MAX_MIP_LEVEL_SHIFT);
1345
		tmp = (idx_value >> 23) & 0x7;
1346 1347
		if (tmp == 2 || tmp == 6)
			track->textures[i].roundup_w = false;
1348
		tmp = (idx_value >> 27) & 0x7;
1349 1350 1351 1352 1353 1354 1355
		if (tmp == 2 || tmp == 6)
			track->textures[i].roundup_h = false;
		break;
	case RADEON_PP_TXFORMAT_0:
	case RADEON_PP_TXFORMAT_1:
	case RADEON_PP_TXFORMAT_2:
		i = (reg - RADEON_PP_TXFORMAT_0) / 24;
1356
		if (idx_value & RADEON_TXFORMAT_NON_POWER2) {
1357 1358 1359
			track->textures[i].use_pitch = 1;
		} else {
			track->textures[i].use_pitch = 0;
1360 1361
			track->textures[i].width = 1 << ((idx_value >> RADEON_TXFORMAT_WIDTH_SHIFT) & RADEON_TXFORMAT_WIDTH_MASK);
			track->textures[i].height = 1 << ((idx_value >> RADEON_TXFORMAT_HEIGHT_SHIFT) & RADEON_TXFORMAT_HEIGHT_MASK);
1362
		}
1363
		if (idx_value & RADEON_TXFORMAT_CUBIC_MAP_ENABLE)
1364
			track->textures[i].tex_coord_type = 2;
1365
		switch ((idx_value & RADEON_TXFORMAT_FORMAT_MASK)) {
1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381
		case RADEON_TXFORMAT_I8:
		case RADEON_TXFORMAT_RGB332:
		case RADEON_TXFORMAT_Y8:
			track->textures[i].cpp = 1;
			break;
		case RADEON_TXFORMAT_AI88:
		case RADEON_TXFORMAT_ARGB1555:
		case RADEON_TXFORMAT_RGB565:
		case RADEON_TXFORMAT_ARGB4444:
		case RADEON_TXFORMAT_VYUY422:
		case RADEON_TXFORMAT_YVYU422:
		case RADEON_TXFORMAT_DXT1:
		case RADEON_TXFORMAT_SHADOW16:
		case RADEON_TXFORMAT_LDUDV655:
		case RADEON_TXFORMAT_DUDV88:
			track->textures[i].cpp = 2;
1382
			break;
1383 1384 1385 1386 1387 1388 1389 1390 1391
		case RADEON_TXFORMAT_ARGB8888:
		case RADEON_TXFORMAT_RGBA8888:
		case RADEON_TXFORMAT_DXT23:
		case RADEON_TXFORMAT_DXT45:
		case RADEON_TXFORMAT_SHADOW32:
		case RADEON_TXFORMAT_LDUDUV8888:
			track->textures[i].cpp = 4;
			break;
		}
1392 1393
		track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
		track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
1394 1395 1396 1397
		break;
	case RADEON_PP_CUBIC_FACES_0:
	case RADEON_PP_CUBIC_FACES_1:
	case RADEON_PP_CUBIC_FACES_2:
1398
		tmp = idx_value;
1399 1400 1401 1402
		i = (reg - RADEON_PP_CUBIC_FACES_0) / 4;
		for (face = 0; face < 4; face++) {
			track->textures[i].cube_info[face].width = 1 << ((tmp >> (face * 8)) & 0xf);
			track->textures[i].cube_info[face].height = 1 << ((tmp >> ((face * 8) + 4)) & 0xf);
1403
		}
1404 1405 1406 1407 1408
		break;
	default:
		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
		       reg, idx);
		return -EINVAL;
1409 1410 1411 1412
	}
	return 0;
}

1413 1414
int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
					 struct radeon_cs_packet *pkt,
1415
					 struct radeon_bo *robj)
1416 1417
{
	unsigned idx;
1418
	u32 value;
1419
	idx = pkt->idx + 1;
1420
	value = radeon_get_ib_value(p, idx + 2);
1421
	if ((value + 1) > radeon_bo_size(robj)) {
1422 1423
		DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER "
			  "(need %u have %lu) !\n",
1424
			  value + 1,
1425
			  radeon_bo_size(robj));
1426 1427 1428 1429 1430
		return -EINVAL;
	}
	return 0;
}

1431 1432 1433 1434
static int r100_packet3_check(struct radeon_cs_parser *p,
			      struct radeon_cs_packet *pkt)
{
	struct radeon_cs_reloc *reloc;
1435
	struct r100_cs_track *track;
1436 1437 1438 1439 1440 1441
	unsigned idx;
	volatile uint32_t *ib;
	int r;

	ib = p->ib->ptr;
	idx = pkt->idx + 1;
1442
	track = (struct r100_cs_track *)p->track;
1443 1444
	switch (pkt->opcode) {
	case PACKET3_3D_LOAD_VBPNTR:
1445 1446 1447
		r = r100_packet3_load_vbpntr(p, pkt, idx);
		if (r)
			return r;
1448 1449 1450 1451 1452 1453 1454 1455
		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;
		}
1456
		ib[idx+1] = radeon_get_ib_value(p, idx+1) + ((u32)reloc->lobj.gpu_offset);
1457 1458 1459 1460
		r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
		if (r) {
			return r;
		}
1461 1462 1463 1464 1465 1466 1467 1468 1469
		break;
	case 0x23:
		/* 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;
		}
1470
		ib[idx] = radeon_get_ib_value(p, idx) + ((u32)reloc->lobj.gpu_offset);
1471
		track->num_arrays = 1;
1472
		track->vtx_size = r100_get_vtx_size(radeon_get_ib_value(p, idx + 2));
1473 1474 1475 1476

		track->arrays[0].robj = reloc->robj;
		track->arrays[0].esize = track->vtx_size;

1477
		track->max_indx = radeon_get_ib_value(p, idx+1);
1478

1479
		track->vap_vf_cntl = radeon_get_ib_value(p, idx+3);
1480 1481 1482 1483
		track->immd_dwords = pkt->count - 1;
		r = r100_cs_track_check(p->rdev, track);
		if (r)
			return r;
1484 1485
		break;
	case PACKET3_3D_DRAW_IMMD:
1486
		if (((radeon_get_ib_value(p, idx + 1) >> 4) & 0x3) != 3) {
1487 1488 1489
			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
			return -EINVAL;
		}
1490
		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1491 1492 1493 1494 1495
		track->immd_dwords = pkt->count - 1;
		r = r100_cs_track_check(p->rdev, track);
		if (r)
			return r;
		break;
1496 1497
		/* triggers drawing using in-packet vertex data */
	case PACKET3_3D_DRAW_IMMD_2:
1498
		if (((radeon_get_ib_value(p, idx) >> 4) & 0x3) != 3) {
1499 1500 1501
			DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
			return -EINVAL;
		}
1502
		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1503 1504 1505 1506 1507
		track->immd_dwords = pkt->count;
		r = r100_cs_track_check(p->rdev, track);
		if (r)
			return r;
		break;
1508 1509
		/* triggers drawing using in-packet vertex data */
	case PACKET3_3D_DRAW_VBUF_2:
1510
		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1511 1512 1513 1514
		r = r100_cs_track_check(p->rdev, track);
		if (r)
			return r;
		break;
1515 1516
		/* triggers drawing of vertex buffers setup elsewhere */
	case PACKET3_3D_DRAW_INDX_2:
1517
		track->vap_vf_cntl = radeon_get_ib_value(p, idx);
1518 1519 1520 1521
		r = r100_cs_track_check(p->rdev, track);
		if (r)
			return r;
		break;
1522 1523
		/* triggers drawing using indices to vertex buffer */
	case PACKET3_3D_DRAW_VBUF:
1524
		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1525 1526 1527 1528
		r = r100_cs_track_check(p->rdev, track);
		if (r)
			return r;
		break;
1529 1530
		/* triggers drawing of vertex buffers setup elsewhere */
	case PACKET3_3D_DRAW_INDX:
1531
		track->vap_vf_cntl = radeon_get_ib_value(p, idx + 1);
1532 1533 1534 1535
		r = r100_cs_track_check(p->rdev, track);
		if (r)
			return r;
		break;
1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548
		/* 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;
1549
	struct r100_cs_track *track;
1550 1551
	int r;

1552 1553 1554
	track = kzalloc(sizeof(*track), GFP_KERNEL);
	r100_cs_track_clear(p->rdev, track);
	p->track = track;
1555 1556 1557 1558 1559 1560 1561
	do {
		r = r100_cs_packet_parse(p, &pkt, p->idx);
		if (r) {
			return r;
		}
		p->idx += pkt.count + 2;
		switch (pkt.type) {
1562
			case PACKET_TYPE0:
1563 1564 1565 1566 1567 1568 1569 1570 1571 1572
				if (p->rdev->family >= CHIP_R200)
					r = r100_cs_parse_packet0(p, &pkt,
								  p->rdev->config.r100.reg_safe_bm,
								  p->rdev->config.r100.reg_safe_bm_size,
								  &r200_packet0_check);
				else
					r = r100_cs_parse_packet0(p, &pkt,
								  p->rdev->config.r100.reg_safe_bm,
								  p->rdev->config.r100.reg_safe_bm_size,
								  &r100_packet0_check);
1573 1574 1575 1576 1577 1578 1579 1580 1581 1582
				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;
1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709
		}
		if (r) {
			return r;
		}
	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
	return 0;
}


/*
 * 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);
}

1710 1711 1712 1713 1714 1715 1716 1717
void r100_hdp_flush(struct radeon_device *rdev)
{
	u32 tmp;
	tmp = RREG32(RADEON_HOST_PATH_CNTL);
	tmp |= RADEON_HDP_READ_BUFFER_INVALIDATE;
	WREG32(RADEON_HOST_PATH_CNTL, tmp);
}

1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784
void r100_hdp_reset(struct radeon_device *rdev)
{
	uint32_t tmp;

	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;

	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;
}

1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795
void r100_set_common_regs(struct radeon_device *rdev)
{
	/* set these so they don't interfere with anything */
	WREG32(RADEON_OV0_SCALE_CNTL, 0);
	WREG32(RADEON_SUBPIC_CNTL, 0);
	WREG32(RADEON_VIPH_CONTROL, 0);
	WREG32(RADEON_I2C_CNTL_1, 0);
	WREG32(RADEON_DVI_I2C_CNTL_1, 0);
	WREG32(RADEON_CAP0_TRIG_CNTL, 0);
	WREG32(RADEON_CAP1_TRIG_CNTL, 0);
}
1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834

/*
 * 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;
	}
}

1835
static u32 r100_get_accessible_vram(struct radeon_device *rdev)
1836
{
1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878
	u32 aper_size;
	u8 byte;

	aper_size = RREG32(RADEON_CONFIG_APER_SIZE);

	/* Set HDP_APER_CNTL only on cards that are known not to be broken,
	 * that is has the 2nd generation multifunction PCI interface
	 */
	if (rdev->family == CHIP_RV280 ||
	    rdev->family >= CHIP_RV350) {
		WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL,
		       ~RADEON_HDP_APER_CNTL);
		DRM_INFO("Generation 2 PCI interface, using max accessible memory\n");
		return aper_size * 2;
	}

	/* Older cards have all sorts of funny issues to deal with. First
	 * check if it's a multifunction card by reading the PCI config
	 * header type... Limit those to one aperture size
	 */
	pci_read_config_byte(rdev->pdev, 0xe, &byte);
	if (byte & 0x80) {
		DRM_INFO("Generation 1 PCI interface in multifunction mode\n");
		DRM_INFO("Limiting VRAM to one aperture\n");
		return aper_size;
	}

	/* Single function older card. We read HDP_APER_CNTL to see how the BIOS
	 * have set it up. We don't write this as it's broken on some ASICs but
	 * we expect the BIOS to have done the right thing (might be too optimistic...)
	 */
	if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL)
		return aper_size * 2;
	return aper_size;
}

void r100_vram_init_sizes(struct radeon_device *rdev)
{
	u64 config_aper_size;
	u32 accessible;

	config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
1879 1880 1881 1882 1883

	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);
1884
		rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
1885 1886
		/* for IGPs we need to keep VRAM where it was put by the BIOS */
		rdev->mc.vram_location = (tom & 0xffff) << 16;
1887 1888
		WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
		rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
1889
	} else {
1890
		rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
1891 1892 1893
		/* Some production boards of m6 will report 0
		 * if it's 8 MB
		 */
1894 1895 1896
		if (rdev->mc.real_vram_size == 0) {
			rdev->mc.real_vram_size = 8192 * 1024;
			WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
1897
		}
1898 1899
		/* let driver place VRAM */
		rdev->mc.vram_location = 0xFFFFFFFFUL;
1900 1901
		 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - 
		  * Novell bug 204882 + along with lots of ubuntu ones */
1902 1903 1904 1905
		if (config_aper_size > rdev->mc.real_vram_size)
			rdev->mc.mc_vram_size = config_aper_size;
		else
			rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
1906 1907
	}

1908 1909 1910
	/* work out accessible VRAM */
	accessible = r100_get_accessible_vram(rdev);

1911 1912
	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
1913 1914 1915 1916

	if (accessible > rdev->mc.aper_size)
		accessible = rdev->mc.aper_size;

1917 1918 1919 1920 1921
	if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
		rdev->mc.mc_vram_size = rdev->mc.aper_size;

	if (rdev->mc.real_vram_size > rdev->mc.aper_size)
		rdev->mc.real_vram_size = rdev->mc.aper_size;
1922 1923
}

1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937
void r100_vga_set_state(struct radeon_device *rdev, bool state)
{
	uint32_t temp;

	temp = RREG32(RADEON_CONFIG_CNTL);
	if (state == false) {
		temp &= ~(1<<8);
		temp |= (1<<9);
	} else {
		temp &= ~(1<<9);
	}
	WREG32(RADEON_CONFIG_CNTL, temp);
}

1938 1939 1940 1941 1942
void r100_vram_info(struct radeon_device *rdev)
{
	r100_vram_get_type(rdev);

	r100_vram_init_sizes(rdev);
1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
}


/*
 * 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);
}

2002
void r100_set_safe_registers(struct radeon_device *rdev)
2003
{
2004 2005 2006 2007 2008 2009 2010
	if (ASIC_IS_RN50(rdev)) {
		rdev->config.r100.reg_safe_bm = rn50_reg_safe_bm;
		rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(rn50_reg_safe_bm);
	} else if (rdev->family < CHIP_R200) {
		rdev->config.r100.reg_safe_bm = r100_reg_safe_bm;
		rdev->config.r100.reg_safe_bm_size = ARRAY_SIZE(r100_reg_safe_bm);
	} else {
2011
		r200_set_safe_registers(rdev);
2012
	}
2013 2014
}

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/*
 * 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
}
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int r100_set_surface_reg(struct radeon_device *rdev, int reg,
			 uint32_t tiling_flags, uint32_t pitch,
			 uint32_t offset, uint32_t obj_size)
{
	int surf_index = reg * 16;
	int flags = 0;

	/* r100/r200 divide by 16 */
	if (rdev->family < CHIP_R300)
		flags = pitch / 16;
	else
		flags = pitch / 8;

	if (rdev->family <= CHIP_RS200) {
		if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
				 == (RADEON_TILING_MACRO|RADEON_TILING_MICRO))
			flags |= RADEON_SURF_TILE_COLOR_BOTH;
		if (tiling_flags & RADEON_TILING_MACRO)
			flags |= RADEON_SURF_TILE_COLOR_MACRO;
	} else if (rdev->family <= CHIP_RV280) {
		if (tiling_flags & (RADEON_TILING_MACRO))
			flags |= R200_SURF_TILE_COLOR_MACRO;
		if (tiling_flags & RADEON_TILING_MICRO)
			flags |= R200_SURF_TILE_COLOR_MICRO;
	} else {
		if (tiling_flags & RADEON_TILING_MACRO)
			flags |= R300_SURF_TILE_MACRO;
		if (tiling_flags & RADEON_TILING_MICRO)
			flags |= R300_SURF_TILE_MICRO;
	}

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	if (tiling_flags & RADEON_TILING_SWAP_16BIT)
		flags |= RADEON_SURF_AP0_SWP_16BPP | RADEON_SURF_AP1_SWP_16BPP;
	if (tiling_flags & RADEON_TILING_SWAP_32BIT)
		flags |= RADEON_SURF_AP0_SWP_32BPP | RADEON_SURF_AP1_SWP_32BPP;

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	DRM_DEBUG("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1);
	WREG32(RADEON_SURFACE0_INFO + surf_index, flags);
	WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset);
	WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1);
	return 0;
}

void r100_clear_surface_reg(struct radeon_device *rdev, int reg)
{
	int surf_index = reg * 16;
	WREG32(RADEON_SURFACE0_INFO + surf_index, 0);
}
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void r100_bandwidth_update(struct radeon_device *rdev)
{
	fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff;
	fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff;
	fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff;
	uint32_t temp, data, mem_trcd, mem_trp, mem_tras;
	fixed20_12 memtcas_ff[8] = {
		fixed_init(1),
		fixed_init(2),
		fixed_init(3),
		fixed_init(0),
		fixed_init_half(1),
		fixed_init_half(2),
		fixed_init(0),
	};
	fixed20_12 memtcas_rs480_ff[8] = {
		fixed_init(0),
		fixed_init(1),
		fixed_init(2),
		fixed_init(3),
		fixed_init(0),
		fixed_init_half(1),
		fixed_init_half(2),
		fixed_init_half(3),
	};
	fixed20_12 memtcas2_ff[8] = {
		fixed_init(0),
		fixed_init(1),
		fixed_init(2),
		fixed_init(3),
		fixed_init(4),
		fixed_init(5),
		fixed_init(6),
		fixed_init(7),
	};
	fixed20_12 memtrbs[8] = {
		fixed_init(1),
		fixed_init_half(1),
		fixed_init(2),
		fixed_init_half(2),
		fixed_init(3),
		fixed_init_half(3),
		fixed_init(4),
		fixed_init_half(4)
	};
	fixed20_12 memtrbs_r4xx[8] = {
		fixed_init(4),
		fixed_init(5),
		fixed_init(6),
		fixed_init(7),
		fixed_init(8),
		fixed_init(9),
		fixed_init(10),
		fixed_init(11)
	};
	fixed20_12 min_mem_eff;
	fixed20_12 mc_latency_sclk, mc_latency_mclk, k1;
	fixed20_12 cur_latency_mclk, cur_latency_sclk;
	fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate,
		disp_drain_rate2, read_return_rate;
	fixed20_12 time_disp1_drop_priority;
	int c;
	int cur_size = 16;       /* in octawords */
	int critical_point = 0, critical_point2;
/* 	uint32_t read_return_rate, time_disp1_drop_priority; */
	int stop_req, max_stop_req;
	struct drm_display_mode *mode1 = NULL;
	struct drm_display_mode *mode2 = NULL;
	uint32_t pixel_bytes1 = 0;
	uint32_t pixel_bytes2 = 0;

	if (rdev->mode_info.crtcs[0]->base.enabled) {
		mode1 = &rdev->mode_info.crtcs[0]->base.mode;
		pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
	}
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	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
		if (rdev->mode_info.crtcs[1]->base.enabled) {
			mode2 = &rdev->mode_info.crtcs[1]->base.mode;
			pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8;
		}
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	}

	min_mem_eff.full = rfixed_const_8(0);
	/* get modes */
	if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) {
		uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER);
		mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT);
		mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT);
		/* check crtc enables */
		if (mode2)
			mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT);
		if (mode1)
			mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT);
		WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
	}

	/*
	 * determine is there is enough bw for current mode
	 */
	mclk_ff.full = rfixed_const(rdev->clock.default_mclk);
	temp_ff.full = rfixed_const(100);
	mclk_ff.full = rfixed_div(mclk_ff, temp_ff);
	sclk_ff.full = rfixed_const(rdev->clock.default_sclk);
	sclk_ff.full = rfixed_div(sclk_ff, temp_ff);

	temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
	temp_ff.full = rfixed_const(temp);
	mem_bw.full = rfixed_mul(mclk_ff, temp_ff);

	pix_clk.full = 0;
	pix_clk2.full = 0;
	peak_disp_bw.full = 0;
	if (mode1) {
		temp_ff.full = rfixed_const(1000);
		pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */
		pix_clk.full = rfixed_div(pix_clk, temp_ff);
		temp_ff.full = rfixed_const(pixel_bytes1);
		peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff);
	}
	if (mode2) {
		temp_ff.full = rfixed_const(1000);
		pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */
		pix_clk2.full = rfixed_div(pix_clk2, temp_ff);
		temp_ff.full = rfixed_const(pixel_bytes2);
		peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff);
	}

	mem_bw.full = rfixed_mul(mem_bw, min_mem_eff);
	if (peak_disp_bw.full >= mem_bw.full) {
		DRM_ERROR("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");
	}

	/*  Get values from the EXT_MEM_CNTL register...converting its contents. */
	temp = RREG32(RADEON_MEM_TIMING_CNTL);
	if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */
		mem_trcd = ((temp >> 2) & 0x3) + 1;
		mem_trp  = ((temp & 0x3)) + 1;
		mem_tras = ((temp & 0x70) >> 4) + 1;
	} else if (rdev->family == CHIP_R300 ||
		   rdev->family == CHIP_R350) { /* r300, r350 */
		mem_trcd = (temp & 0x7) + 1;
		mem_trp = ((temp >> 8) & 0x7) + 1;
		mem_tras = ((temp >> 11) & 0xf) + 4;
	} else if (rdev->family == CHIP_RV350 ||
		   rdev->family <= CHIP_RV380) {
		/* rv3x0 */
		mem_trcd = (temp & 0x7) + 3;
		mem_trp = ((temp >> 8) & 0x7) + 3;
		mem_tras = ((temp >> 11) & 0xf) + 6;
	} else if (rdev->family == CHIP_R420 ||
		   rdev->family == CHIP_R423 ||
		   rdev->family == CHIP_RV410) {
		/* r4xx */
		mem_trcd = (temp & 0xf) + 3;
		if (mem_trcd > 15)
			mem_trcd = 15;
		mem_trp = ((temp >> 8) & 0xf) + 3;
		if (mem_trp > 15)
			mem_trp = 15;
		mem_tras = ((temp >> 12) & 0x1f) + 6;
		if (mem_tras > 31)
			mem_tras = 31;
	} else { /* RV200, R200 */
		mem_trcd = (temp & 0x7) + 1;
		mem_trp = ((temp >> 8) & 0x7) + 1;
		mem_tras = ((temp >> 12) & 0xf) + 4;
	}
	/* convert to FF */
	trcd_ff.full = rfixed_const(mem_trcd);
	trp_ff.full = rfixed_const(mem_trp);
	tras_ff.full = rfixed_const(mem_tras);

	/* Get values from the MEM_SDRAM_MODE_REG register...converting its */
	temp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
	data = (temp & (7 << 20)) >> 20;
	if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) {
		if (rdev->family == CHIP_RS480) /* don't think rs400 */
			tcas_ff = memtcas_rs480_ff[data];
		else
			tcas_ff = memtcas_ff[data];
	} else
		tcas_ff = memtcas2_ff[data];

	if (rdev->family == CHIP_RS400 ||
	    rdev->family == CHIP_RS480) {
		/* extra cas latency stored in bits 23-25 0-4 clocks */
		data = (temp >> 23) & 0x7;
		if (data < 5)
			tcas_ff.full += rfixed_const(data);
	}

	if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) {
		/* on the R300, Tcas is included in Trbs.
		 */
		temp = RREG32(RADEON_MEM_CNTL);
		data = (R300_MEM_NUM_CHANNELS_MASK & temp);
		if (data == 1) {
			if (R300_MEM_USE_CD_CH_ONLY & temp) {
				temp = RREG32(R300_MC_IND_INDEX);
				temp &= ~R300_MC_IND_ADDR_MASK;
				temp |= R300_MC_READ_CNTL_CD_mcind;
				WREG32(R300_MC_IND_INDEX, temp);
				temp = RREG32(R300_MC_IND_DATA);
				data = (R300_MEM_RBS_POSITION_C_MASK & temp);
			} else {
				temp = RREG32(R300_MC_READ_CNTL_AB);
				data = (R300_MEM_RBS_POSITION_A_MASK & temp);
			}
		} else {
			temp = RREG32(R300_MC_READ_CNTL_AB);
			data = (R300_MEM_RBS_POSITION_A_MASK & temp);
		}
		if (rdev->family == CHIP_RV410 ||
		    rdev->family == CHIP_R420 ||
		    rdev->family == CHIP_R423)
			trbs_ff = memtrbs_r4xx[data];
		else
			trbs_ff = memtrbs[data];
		tcas_ff.full += trbs_ff.full;
	}

	sclk_eff_ff.full = sclk_ff.full;

	if (rdev->flags & RADEON_IS_AGP) {
		fixed20_12 agpmode_ff;
		agpmode_ff.full = rfixed_const(radeon_agpmode);
		temp_ff.full = rfixed_const_666(16);
		sclk_eff_ff.full -= rfixed_mul(agpmode_ff, temp_ff);
	}
	/* TODO PCIE lanes may affect this - agpmode == 16?? */

	if (ASIC_IS_R300(rdev)) {
		sclk_delay_ff.full = rfixed_const(250);
	} else {
		if ((rdev->family == CHIP_RV100) ||
		    rdev->flags & RADEON_IS_IGP) {
			if (rdev->mc.vram_is_ddr)
				sclk_delay_ff.full = rfixed_const(41);
			else
				sclk_delay_ff.full = rfixed_const(33);
		} else {
			if (rdev->mc.vram_width == 128)
				sclk_delay_ff.full = rfixed_const(57);
			else
				sclk_delay_ff.full = rfixed_const(41);
		}
	}

	mc_latency_sclk.full = rfixed_div(sclk_delay_ff, sclk_eff_ff);

	if (rdev->mc.vram_is_ddr) {
		if (rdev->mc.vram_width == 32) {
			k1.full = rfixed_const(40);
			c  = 3;
		} else {
			k1.full = rfixed_const(20);
			c  = 1;
		}
	} else {
		k1.full = rfixed_const(40);
		c  = 3;
	}

	temp_ff.full = rfixed_const(2);
	mc_latency_mclk.full = rfixed_mul(trcd_ff, temp_ff);
	temp_ff.full = rfixed_const(c);
	mc_latency_mclk.full += rfixed_mul(tcas_ff, temp_ff);
	temp_ff.full = rfixed_const(4);
	mc_latency_mclk.full += rfixed_mul(tras_ff, temp_ff);
	mc_latency_mclk.full += rfixed_mul(trp_ff, temp_ff);
	mc_latency_mclk.full += k1.full;

	mc_latency_mclk.full = rfixed_div(mc_latency_mclk, mclk_ff);
	mc_latency_mclk.full += rfixed_div(temp_ff, sclk_eff_ff);

	/*
	  HW cursor time assuming worst case of full size colour cursor.
	*/
	temp_ff.full = rfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1))));
	temp_ff.full += trcd_ff.full;
	if (temp_ff.full < tras_ff.full)
		temp_ff.full = tras_ff.full;
	cur_latency_mclk.full = rfixed_div(temp_ff, mclk_ff);

	temp_ff.full = rfixed_const(cur_size);
	cur_latency_sclk.full = rfixed_div(temp_ff, sclk_eff_ff);
	/*
	  Find the total latency for the display data.
	*/
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	disp_latency_overhead.full = rfixed_const(8);
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	disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff);
	mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full;
	mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full;

	if (mc_latency_mclk.full > mc_latency_sclk.full)
		disp_latency.full = mc_latency_mclk.full;
	else
		disp_latency.full = mc_latency_sclk.full;

	/* setup Max GRPH_STOP_REQ default value */
	if (ASIC_IS_RV100(rdev))
		max_stop_req = 0x5c;
	else
		max_stop_req = 0x7c;

	if (mode1) {
		/*  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 * pixel_bytes1 / 16;

		if (stop_req > max_stop_req)
			stop_req = max_stop_req;

		/*
		  Find the drain rate of the display buffer.
		*/
		temp_ff.full = rfixed_const((16/pixel_bytes1));
		disp_drain_rate.full = rfixed_div(pix_clk, temp_ff);

		/*
		  Find the critical point of the display buffer.
		*/
		crit_point_ff.full = rfixed_mul(disp_drain_rate, disp_latency);
		crit_point_ff.full += rfixed_const_half(0);

		critical_point = rfixed_trunc(crit_point_ff);

		if (rdev->disp_priority == 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 && rdev->family == CHIP_R300) {
			/* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/
			critical_point = 0x10;
		}

		temp = RREG32(RADEON_GRPH_BUFFER_CNTL);
		temp &= ~(RADEON_GRPH_STOP_REQ_MASK);
		temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
		temp &= ~(RADEON_GRPH_START_REQ_MASK);
		if ((rdev->family == CHIP_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.
		*/
		WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
						       (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT)));

#if 0
		if ((rdev->family == CHIP_RS400) ||
		    (rdev->family == CHIP_RS480)) {
			/* attempt to program RS400 disp regs correctly ??? */
			temp = RREG32(RS400_DISP1_REG_CNTL);
			temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK |
				  RS400_DISP1_STOP_REQ_LEVEL_MASK);
			WREG32(RS400_DISP1_REQ_CNTL1, (temp |
						       (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
						       (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
			temp = RREG32(RS400_DMIF_MEM_CNTL1);
			temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK |
				  RS400_DISP1_CRITICAL_POINT_STOP_MASK);
			WREG32(RS400_DMIF_MEM_CNTL1, (temp |
						      (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) |
						      (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT)));
		}
#endif

		DRM_DEBUG("GRPH_BUFFER_CNTL from to %x\n",
			  /* 	  (unsigned int)info->SavedReg->grph_buffer_cntl, */
			  (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL));
	}

	if (mode2) {
		u32 grph2_cntl;
		stop_req = mode2->hdisplay * pixel_bytes2 / 16;

		if (stop_req > max_stop_req)
			stop_req = max_stop_req;

		/*
		  Find the drain rate of the display buffer.
		*/
		temp_ff.full = rfixed_const((16/pixel_bytes2));
		disp_drain_rate2.full = rfixed_div(pix_clk2, temp_ff);

		grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL);
		grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK);
		grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT);
		grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK);
		if ((rdev->family == CHIP_R350) &&
		    (stop_req > 0x15)) {
			stop_req -= 0x10;
		}
		grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT);
		grph2_cntl |= RADEON_GRPH_BUFFER_SIZE;
		grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL   |
			  RADEON_GRPH_CRITICAL_AT_SOF |
			  RADEON_GRPH_STOP_CNTL);

		if ((rdev->family == CHIP_RS100) ||
		    (rdev->family == CHIP_RS200))
			critical_point2 = 0;
		else {
			temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128;
			temp_ff.full = rfixed_const(temp);
			temp_ff.full = rfixed_mul(mclk_ff, temp_ff);
			if (sclk_ff.full < temp_ff.full)
				temp_ff.full = sclk_ff.full;

			read_return_rate.full = temp_ff.full;

			if (mode1) {
				temp_ff.full = read_return_rate.full - disp_drain_rate.full;
				time_disp1_drop_priority.full = rfixed_div(crit_point_ff, temp_ff);
			} else {
				time_disp1_drop_priority.full = 0;
			}
			crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full;
			crit_point_ff.full = rfixed_mul(crit_point_ff, disp_drain_rate2);
			crit_point_ff.full += rfixed_const_half(0);

			critical_point2 = rfixed_trunc(crit_point_ff);

			if (rdev->disp_priority == 2) {
				critical_point2 = 0;
			}

			if (max_stop_req - critical_point2 < 4)
				critical_point2 = 0;

		}

		if (critical_point2 == 0 && rdev->family == CHIP_R300) {
			/* some R300 cards have problem with this set to 0 */
			critical_point2 = 0x10;
		}

		WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) |
						  (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT)));

		if ((rdev->family == CHIP_RS400) ||
		    (rdev->family == CHIP_RS480)) {
#if 0
			/* attempt to program RS400 disp2 regs correctly ??? */
			temp = RREG32(RS400_DISP2_REQ_CNTL1);
			temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK |
				  RS400_DISP2_STOP_REQ_LEVEL_MASK);
			WREG32(RS400_DISP2_REQ_CNTL1, (temp |
						       (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) |
						       (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT)));
			temp = RREG32(RS400_DISP2_REQ_CNTL2);
			temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK |
				  RS400_DISP2_CRITICAL_POINT_STOP_MASK);
			WREG32(RS400_DISP2_REQ_CNTL2, (temp |
						       (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) |
						       (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT)));
#endif
			WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC);
			WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000);
			WREG32(RS400_DMIF_MEM_CNTL1,  0x29CA71DC);
			WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC);
		}

		DRM_DEBUG("GRPH2_BUFFER_CNTL from to %x\n",
			  (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL));
	}
}
2719 2720 2721 2722

static inline void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
{
	DRM_ERROR("pitch                      %d\n", t->pitch);
2723
	DRM_ERROR("use_pitch                  %d\n", t->use_pitch);
2724
	DRM_ERROR("width                      %d\n", t->width);
2725
	DRM_ERROR("width_11                   %d\n", t->width_11);
2726
	DRM_ERROR("height                     %d\n", t->height);
2727
	DRM_ERROR("height_11                  %d\n", t->height_11);
2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739
	DRM_ERROR("num levels                 %d\n", t->num_levels);
	DRM_ERROR("depth                      %d\n", t->txdepth);
	DRM_ERROR("bpp                        %d\n", t->cpp);
	DRM_ERROR("coordinate type            %d\n", t->tex_coord_type);
	DRM_ERROR("width round to power of 2  %d\n", t->roundup_w);
	DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
}

static int r100_cs_track_cube(struct radeon_device *rdev,
			      struct r100_cs_track *track, unsigned idx)
{
	unsigned face, w, h;
2740
	struct radeon_bo *cube_robj;
2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752
	unsigned long size;

	for (face = 0; face < 5; face++) {
		cube_robj = track->textures[idx].cube_info[face].robj;
		w = track->textures[idx].cube_info[face].width;
		h = track->textures[idx].cube_info[face].height;

		size = w * h;
		size *= track->textures[idx].cpp;

		size += track->textures[idx].cube_info[face].offset;

2753
		if (size > radeon_bo_size(cube_robj)) {
2754
			DRM_ERROR("Cube texture offset greater than object size %lu %lu\n",
2755
				  size, radeon_bo_size(cube_robj));
2756 2757 2758 2759 2760 2761 2762 2763 2764 2765
			r100_cs_track_texture_print(&track->textures[idx]);
			return -1;
		}
	}
	return 0;
}

static int r100_cs_track_texture_check(struct radeon_device *rdev,
				       struct r100_cs_track *track)
{
2766
	struct radeon_bo *robj;
2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786
	unsigned long size;
	unsigned u, i, w, h;
	int ret;

	for (u = 0; u < track->num_texture; u++) {
		if (!track->textures[u].enabled)
			continue;
		robj = track->textures[u].robj;
		if (robj == NULL) {
			DRM_ERROR("No texture bound to unit %u\n", u);
			return -EINVAL;
		}
		size = 0;
		for (i = 0; i <= track->textures[u].num_levels; i++) {
			if (track->textures[u].use_pitch) {
				if (rdev->family < CHIP_R300)
					w = (track->textures[u].pitch / track->textures[u].cpp) / (1 << i);
				else
					w = track->textures[u].pitch / (1 << i);
			} else {
2787
				w = track->textures[u].width;
2788 2789
				if (rdev->family >= CHIP_RV515)
					w |= track->textures[u].width_11;
2790
				w = w / (1 << i);
2791 2792 2793
				if (track->textures[u].roundup_w)
					w = roundup_pow_of_two(w);
			}
2794
			h = track->textures[u].height;
2795 2796
			if (rdev->family >= CHIP_RV515)
				h |= track->textures[u].height_11;
2797
			h = h / (1 << i);
2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821
			if (track->textures[u].roundup_h)
				h = roundup_pow_of_two(h);
			size += w * h;
		}
		size *= track->textures[u].cpp;
		switch (track->textures[u].tex_coord_type) {
		case 0:
			break;
		case 1:
			size *= (1 << track->textures[u].txdepth);
			break;
		case 2:
			if (track->separate_cube) {
				ret = r100_cs_track_cube(rdev, track, u);
				if (ret)
					return ret;
			} else
				size *= 6;
			break;
		default:
			DRM_ERROR("Invalid texture coordinate type %u for unit "
				  "%u\n", track->textures[u].tex_coord_type, u);
			return -EINVAL;
		}
2822
		if (size > radeon_bo_size(robj)) {
2823
			DRM_ERROR("Texture of unit %u needs %lu bytes but is "
2824
				  "%lu\n", u, size, radeon_bo_size(robj));
2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845
			r100_cs_track_texture_print(&track->textures[u]);
			return -EINVAL;
		}
	}
	return 0;
}

int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
{
	unsigned i;
	unsigned long size;
	unsigned prim_walk;
	unsigned nverts;

	for (i = 0; i < track->num_cb; i++) {
		if (track->cb[i].robj == NULL) {
			DRM_ERROR("[drm] No buffer for color buffer %d !\n", i);
			return -EINVAL;
		}
		size = track->cb[i].pitch * track->cb[i].cpp * track->maxy;
		size += track->cb[i].offset;
2846
		if (size > radeon_bo_size(track->cb[i].robj)) {
2847 2848
			DRM_ERROR("[drm] Buffer too small for color buffer %d "
				  "(need %lu have %lu) !\n", i, size,
2849
				  radeon_bo_size(track->cb[i].robj));
2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862
			DRM_ERROR("[drm] color buffer %d (%u %u %u %u)\n",
				  i, track->cb[i].pitch, track->cb[i].cpp,
				  track->cb[i].offset, track->maxy);
			return -EINVAL;
		}
	}
	if (track->z_enabled) {
		if (track->zb.robj == NULL) {
			DRM_ERROR("[drm] No buffer for z buffer !\n");
			return -EINVAL;
		}
		size = track->zb.pitch * track->zb.cpp * track->maxy;
		size += track->zb.offset;
2863
		if (size > radeon_bo_size(track->zb.robj)) {
2864 2865
			DRM_ERROR("[drm] Buffer too small for z buffer "
				  "(need %lu have %lu) !\n", size,
2866
				  radeon_bo_size(track->zb.robj));
2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883
			DRM_ERROR("[drm] zbuffer (%u %u %u %u)\n",
				  track->zb.pitch, track->zb.cpp,
				  track->zb.offset, track->maxy);
			return -EINVAL;
		}
	}
	prim_walk = (track->vap_vf_cntl >> 4) & 0x3;
	nverts = (track->vap_vf_cntl >> 16) & 0xFFFF;
	switch (prim_walk) {
	case 1:
		for (i = 0; i < track->num_arrays; i++) {
			size = track->arrays[i].esize * track->max_indx * 4;
			if (track->arrays[i].robj == NULL) {
				DRM_ERROR("(PW %u) Vertex array %u no buffer "
					  "bound\n", prim_walk, i);
				return -EINVAL;
			}
2884 2885 2886 2887 2888 2889
			if (size > radeon_bo_size(track->arrays[i].robj)) {
				dev_err(rdev->dev, "(PW %u) Vertex array %u "
					"need %lu dwords have %lu dwords\n",
					prim_walk, i, size >> 2,
					radeon_bo_size(track->arrays[i].robj)
					>> 2);
2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902
				DRM_ERROR("Max indices %u\n", track->max_indx);
				return -EINVAL;
			}
		}
		break;
	case 2:
		for (i = 0; i < track->num_arrays; i++) {
			size = track->arrays[i].esize * (nverts - 1) * 4;
			if (track->arrays[i].robj == NULL) {
				DRM_ERROR("(PW %u) Vertex array %u no buffer "
					  "bound\n", prim_walk, i);
				return -EINVAL;
			}
2903 2904 2905 2906 2907 2908
			if (size > radeon_bo_size(track->arrays[i].robj)) {
				dev_err(rdev->dev, "(PW %u) Vertex array %u "
					"need %lu dwords have %lu dwords\n",
					prim_walk, i, size >> 2,
					radeon_bo_size(track->arrays[i].robj)
					>> 2);
2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997
				return -EINVAL;
			}
		}
		break;
	case 3:
		size = track->vtx_size * nverts;
		if (size != track->immd_dwords) {
			DRM_ERROR("IMMD draw %u dwors but needs %lu dwords\n",
				  track->immd_dwords, size);
			DRM_ERROR("VAP_VF_CNTL.NUM_VERTICES %u, VTX_SIZE %u\n",
				  nverts, track->vtx_size);
			return -EINVAL;
		}
		break;
	default:
		DRM_ERROR("[drm] Invalid primitive walk %d for VAP_VF_CNTL\n",
			  prim_walk);
		return -EINVAL;
	}
	return r100_cs_track_texture_check(rdev, track);
}

void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track)
{
	unsigned i, face;

	if (rdev->family < CHIP_R300) {
		track->num_cb = 1;
		if (rdev->family <= CHIP_RS200)
			track->num_texture = 3;
		else
			track->num_texture = 6;
		track->maxy = 2048;
		track->separate_cube = 1;
	} else {
		track->num_cb = 4;
		track->num_texture = 16;
		track->maxy = 4096;
		track->separate_cube = 0;
	}

	for (i = 0; i < track->num_cb; i++) {
		track->cb[i].robj = NULL;
		track->cb[i].pitch = 8192;
		track->cb[i].cpp = 16;
		track->cb[i].offset = 0;
	}
	track->z_enabled = true;
	track->zb.robj = NULL;
	track->zb.pitch = 8192;
	track->zb.cpp = 4;
	track->zb.offset = 0;
	track->vtx_size = 0x7F;
	track->immd_dwords = 0xFFFFFFFFUL;
	track->num_arrays = 11;
	track->max_indx = 0x00FFFFFFUL;
	for (i = 0; i < track->num_arrays; i++) {
		track->arrays[i].robj = NULL;
		track->arrays[i].esize = 0x7F;
	}
	for (i = 0; i < track->num_texture; i++) {
		track->textures[i].pitch = 16536;
		track->textures[i].width = 16536;
		track->textures[i].height = 16536;
		track->textures[i].width_11 = 1 << 11;
		track->textures[i].height_11 = 1 << 11;
		track->textures[i].num_levels = 12;
		if (rdev->family <= CHIP_RS200) {
			track->textures[i].tex_coord_type = 0;
			track->textures[i].txdepth = 0;
		} else {
			track->textures[i].txdepth = 16;
			track->textures[i].tex_coord_type = 1;
		}
		track->textures[i].cpp = 64;
		track->textures[i].robj = NULL;
		/* CS IB emission code makes sure texture unit are disabled */
		track->textures[i].enabled = false;
		track->textures[i].roundup_w = true;
		track->textures[i].roundup_h = true;
		if (track->separate_cube)
			for (face = 0; face < 5; face++) {
				track->textures[i].cube_info[face].robj = NULL;
				track->textures[i].cube_info[face].width = 16536;
				track->textures[i].cube_info[face].height = 16536;
				track->textures[i].cube_info[face].offset = 0;
			}
	}
}
2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100

int r100_ring_test(struct radeon_device *rdev)
{
	uint32_t scratch;
	uint32_t tmp = 0;
	unsigned i;
	int r;

	r = radeon_scratch_get(rdev, &scratch);
	if (r) {
		DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
		return r;
	}
	WREG32(scratch, 0xCAFEDEAD);
	r = radeon_ring_lock(rdev, 2);
	if (r) {
		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
		radeon_scratch_free(rdev, scratch);
		return r;
	}
	radeon_ring_write(rdev, PACKET0(scratch, 0));
	radeon_ring_write(rdev, 0xDEADBEEF);
	radeon_ring_unlock_commit(rdev);
	for (i = 0; i < rdev->usec_timeout; i++) {
		tmp = RREG32(scratch);
		if (tmp == 0xDEADBEEF) {
			break;
		}
		DRM_UDELAY(1);
	}
	if (i < rdev->usec_timeout) {
		DRM_INFO("ring test succeeded in %d usecs\n", i);
	} else {
		DRM_ERROR("radeon: ring test failed (sracth(0x%04X)=0x%08X)\n",
			  scratch, tmp);
		r = -EINVAL;
	}
	radeon_scratch_free(rdev, scratch);
	return r;
}

void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
{
	radeon_ring_write(rdev, PACKET0(RADEON_CP_IB_BASE, 1));
	radeon_ring_write(rdev, ib->gpu_addr);
	radeon_ring_write(rdev, ib->length_dw);
}

int r100_ib_test(struct radeon_device *rdev)
{
	struct radeon_ib *ib;
	uint32_t scratch;
	uint32_t tmp = 0;
	unsigned i;
	int r;

	r = radeon_scratch_get(rdev, &scratch);
	if (r) {
		DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
		return r;
	}
	WREG32(scratch, 0xCAFEDEAD);
	r = radeon_ib_get(rdev, &ib);
	if (r) {
		return r;
	}
	ib->ptr[0] = PACKET0(scratch, 0);
	ib->ptr[1] = 0xDEADBEEF;
	ib->ptr[2] = PACKET2(0);
	ib->ptr[3] = PACKET2(0);
	ib->ptr[4] = PACKET2(0);
	ib->ptr[5] = PACKET2(0);
	ib->ptr[6] = PACKET2(0);
	ib->ptr[7] = PACKET2(0);
	ib->length_dw = 8;
	r = radeon_ib_schedule(rdev, ib);
	if (r) {
		radeon_scratch_free(rdev, scratch);
		radeon_ib_free(rdev, &ib);
		return r;
	}
	r = radeon_fence_wait(ib->fence, false);
	if (r) {
		return r;
	}
	for (i = 0; i < rdev->usec_timeout; i++) {
		tmp = RREG32(scratch);
		if (tmp == 0xDEADBEEF) {
			break;
		}
		DRM_UDELAY(1);
	}
	if (i < rdev->usec_timeout) {
		DRM_INFO("ib test succeeded in %u usecs\n", i);
	} else {
		DRM_ERROR("radeon: ib test failed (sracth(0x%04X)=0x%08X)\n",
			  scratch, tmp);
		r = -EINVAL;
	}
	radeon_scratch_free(rdev, scratch);
	radeon_ib_free(rdev, &ib);
	return r;
}
3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134

void r100_ib_fini(struct radeon_device *rdev)
{
	radeon_ib_pool_fini(rdev);
}

int r100_ib_init(struct radeon_device *rdev)
{
	int r;

	r = radeon_ib_pool_init(rdev);
	if (r) {
		dev_err(rdev->dev, "failled initializing IB pool (%d).\n", r);
		r100_ib_fini(rdev);
		return r;
	}
	r = r100_ib_test(rdev);
	if (r) {
		dev_err(rdev->dev, "failled testing IB (%d).\n", r);
		r100_ib_fini(rdev);
		return r;
	}
	return 0;
}

void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
{
	/* Shutdown CP we shouldn't need to do that but better be safe than
	 * sorry
	 */
	rdev->cp.ready = false;
	WREG32(R_000740_CP_CSQ_CNTL, 0);

	/* Save few CRTC registers */
3135
	save->GENMO_WT = RREG8(R_0003C2_GENMO_WT);
3136 3137 3138 3139 3140 3141 3142 3143 3144
	save->CRTC_EXT_CNTL = RREG32(R_000054_CRTC_EXT_CNTL);
	save->CRTC_GEN_CNTL = RREG32(R_000050_CRTC_GEN_CNTL);
	save->CUR_OFFSET = RREG32(R_000260_CUR_OFFSET);
	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
		save->CRTC2_GEN_CNTL = RREG32(R_0003F8_CRTC2_GEN_CNTL);
		save->CUR2_OFFSET = RREG32(R_000360_CUR2_OFFSET);
	}

	/* Disable VGA aperture access */
3145
	WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & save->GENMO_WT);
3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176
	/* Disable cursor, overlay, crtc */
	WREG32(R_000260_CUR_OFFSET, save->CUR_OFFSET | S_000260_CUR_LOCK(1));
	WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL |
					S_000054_CRTC_DISPLAY_DIS(1));
	WREG32(R_000050_CRTC_GEN_CNTL,
			(C_000050_CRTC_CUR_EN & save->CRTC_GEN_CNTL) |
			S_000050_CRTC_DISP_REQ_EN_B(1));
	WREG32(R_000420_OV0_SCALE_CNTL,
		C_000420_OV0_OVERLAY_EN & RREG32(R_000420_OV0_SCALE_CNTL));
	WREG32(R_000260_CUR_OFFSET, C_000260_CUR_LOCK & save->CUR_OFFSET);
	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
		WREG32(R_000360_CUR2_OFFSET, save->CUR2_OFFSET |
						S_000360_CUR2_LOCK(1));
		WREG32(R_0003F8_CRTC2_GEN_CNTL,
			(C_0003F8_CRTC2_CUR_EN & save->CRTC2_GEN_CNTL) |
			S_0003F8_CRTC2_DISPLAY_DIS(1) |
			S_0003F8_CRTC2_DISP_REQ_EN_B(1));
		WREG32(R_000360_CUR2_OFFSET,
			C_000360_CUR2_LOCK & save->CUR2_OFFSET);
	}
}

void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
{
	/* Update base address for crtc */
	WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_location);
	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
		WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR,
				rdev->mc.vram_location);
	}
	/* Restore CRTC registers */
3177
	WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
3178 3179 3180 3181 3182 3183
	WREG32(R_000054_CRTC_EXT_CNTL, save->CRTC_EXT_CNTL);
	WREG32(R_000050_CRTC_GEN_CNTL, save->CRTC_GEN_CNTL);
	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
		WREG32(R_0003F8_CRTC2_GEN_CNTL, save->CRTC2_GEN_CNTL);
	}
}
3184 3185 3186

void r100_vga_render_disable(struct radeon_device *rdev)
{
3187
	u32 tmp;
3188

3189
	tmp = RREG8(R_0003C2_GENMO_WT);
3190 3191
	WREG8(R_0003C2_GENMO_WT, C_0003C2_VGA_RAM_EN & tmp);
}
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static void r100_debugfs(struct radeon_device *rdev)
{
	int r;

	r = r100_debugfs_mc_info_init(rdev);
	if (r)
		dev_warn(rdev->dev, "Failed to create r100_mc debugfs file.\n");
}

static void r100_mc_program(struct radeon_device *rdev)
{
	struct r100_mc_save save;

	/* Stops all mc clients */
	r100_mc_stop(rdev, &save);
	if (rdev->flags & RADEON_IS_AGP) {
		WREG32(R_00014C_MC_AGP_LOCATION,
			S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
			S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
		WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
		if (rdev->family > CHIP_RV200)
			WREG32(R_00015C_AGP_BASE_2,
				upper_32_bits(rdev->mc.agp_base) & 0xff);
	} else {
		WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
		WREG32(R_000170_AGP_BASE, 0);
		if (rdev->family > CHIP_RV200)
			WREG32(R_00015C_AGP_BASE_2, 0);
	}
	/* Wait for mc idle */
	if (r100_mc_wait_for_idle(rdev))
		dev_warn(rdev->dev, "Wait for MC idle timeout.\n");
	/* Program MC, should be a 32bits limited address space */
	WREG32(R_000148_MC_FB_LOCATION,
		S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
		S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
	r100_mc_resume(rdev, &save);
}

void r100_clock_startup(struct radeon_device *rdev)
{
	u32 tmp;

	if (radeon_dynclks != -1 && radeon_dynclks)
		radeon_legacy_set_clock_gating(rdev, 1);
	/* We need to force on some of the block */
	tmp = RREG32_PLL(R_00000D_SCLK_CNTL);
	tmp |= S_00000D_FORCE_CP(1) | S_00000D_FORCE_VIP(1);
	if ((rdev->family == CHIP_RV250) || (rdev->family == CHIP_RV280))
		tmp |= S_00000D_FORCE_DISP1(1) | S_00000D_FORCE_DISP2(1);
	WREG32_PLL(R_00000D_SCLK_CNTL, tmp);
}

static int r100_startup(struct radeon_device *rdev)
{
	int r;

3250 3251 3252
	/* set common regs */
	r100_set_common_regs(rdev);
	/* program mc */
3253 3254 3255 3256 3257 3258 3259
	r100_mc_program(rdev);
	/* Resume clock */
	r100_clock_startup(rdev);
	/* Initialize GPU configuration (# pipes, ...) */
	r100_gpu_init(rdev);
	/* Initialize GART (initialize after TTM so we can allocate
	 * memory through TTM but finalize after TTM) */
3260
	r100_enable_bm(rdev);
3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301
	if (rdev->flags & RADEON_IS_PCI) {
		r = r100_pci_gart_enable(rdev);
		if (r)
			return r;
	}
	/* Enable IRQ */
	r100_irq_set(rdev);
	/* 1M ring buffer */
	r = r100_cp_init(rdev, 1024 * 1024);
	if (r) {
		dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
		return r;
	}
	r = r100_wb_init(rdev);
	if (r)
		dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
	r = r100_ib_init(rdev);
	if (r) {
		dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
		return r;
	}
	return 0;
}

int r100_resume(struct radeon_device *rdev)
{
	/* Make sur GART are not working */
	if (rdev->flags & RADEON_IS_PCI)
		r100_pci_gart_disable(rdev);
	/* Resume clock before doing reset */
	r100_clock_startup(rdev);
	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
	if (radeon_gpu_reset(rdev)) {
		dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
			RREG32(R_000E40_RBBM_STATUS),
			RREG32(R_0007C0_CP_STAT));
	}
	/* post */
	radeon_combios_asic_init(rdev->ddev);
	/* Resume clock after posting */
	r100_clock_startup(rdev);
3302 3303
	/* Initialize surface registers */
	radeon_surface_init(rdev);
3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327
	return r100_startup(rdev);
}

int r100_suspend(struct radeon_device *rdev)
{
	r100_cp_disable(rdev);
	r100_wb_disable(rdev);
	r100_irq_disable(rdev);
	if (rdev->flags & RADEON_IS_PCI)
		r100_pci_gart_disable(rdev);
	return 0;
}

void r100_fini(struct radeon_device *rdev)
{
	r100_suspend(rdev);
	r100_cp_fini(rdev);
	r100_wb_fini(rdev);
	r100_ib_fini(rdev);
	radeon_gem_fini(rdev);
	if (rdev->flags & RADEON_IS_PCI)
		r100_pci_gart_fini(rdev);
	radeon_irq_kms_fini(rdev);
	radeon_fence_driver_fini(rdev);
3328
	radeon_bo_fini(rdev);
3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395
	radeon_atombios_fini(rdev);
	kfree(rdev->bios);
	rdev->bios = NULL;
}

int r100_mc_init(struct radeon_device *rdev)
{
	int r;
	u32 tmp;

	/* Setup GPU memory space */
	rdev->mc.vram_location = 0xFFFFFFFFUL;
	rdev->mc.gtt_location = 0xFFFFFFFFUL;
	if (rdev->flags & RADEON_IS_IGP) {
		tmp = G_00015C_MC_FB_START(RREG32(R_00015C_NB_TOM));
		rdev->mc.vram_location = tmp << 16;
	}
	if (rdev->flags & RADEON_IS_AGP) {
		r = radeon_agp_init(rdev);
		if (r) {
			printk(KERN_WARNING "[drm] Disabling AGP\n");
			rdev->flags &= ~RADEON_IS_AGP;
			rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
		} else {
			rdev->mc.gtt_location = rdev->mc.agp_base;
		}
	}
	r = radeon_mc_setup(rdev);
	if (r)
		return r;
	return 0;
}

int r100_init(struct radeon_device *rdev)
{
	int r;

	/* Register debugfs file specific to this group of asics */
	r100_debugfs(rdev);
	/* Disable VGA */
	r100_vga_render_disable(rdev);
	/* Initialize scratch registers */
	radeon_scratch_init(rdev);
	/* Initialize surface registers */
	radeon_surface_init(rdev);
	/* TODO: disable VGA need to use VGA request */
	/* BIOS*/
	if (!radeon_get_bios(rdev)) {
		if (ASIC_IS_AVIVO(rdev))
			return -EINVAL;
	}
	if (rdev->is_atom_bios) {
		dev_err(rdev->dev, "Expecting combios for RS400/RS480 GPU\n");
		return -EINVAL;
	} else {
		r = radeon_combios_init(rdev);
		if (r)
			return r;
	}
	/* Reset gpu before posting otherwise ATOM will enter infinite loop */
	if (radeon_gpu_reset(rdev)) {
		dev_warn(rdev->dev,
			"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
			RREG32(R_000E40_RBBM_STATUS),
			RREG32(R_0007C0_CP_STAT));
	}
	/* check if cards are posted or not */
3396 3397
	if (radeon_boot_test_post_card(rdev) == false)
		return -EINVAL;
3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415
	/* Set asic errata */
	r100_errata(rdev);
	/* Initialize clocks */
	radeon_get_clock_info(rdev->ddev);
	/* Get vram informations */
	r100_vram_info(rdev);
	/* Initialize memory controller (also test AGP) */
	r = r100_mc_init(rdev);
	if (r)
		return r;
	/* Fence driver */
	r = radeon_fence_driver_init(rdev);
	if (r)
		return r;
	r = radeon_irq_kms_init(rdev);
	if (r)
		return r;
	/* Memory manager */
3416
	r = radeon_bo_init(rdev);
3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440
	if (r)
		return r;
	if (rdev->flags & RADEON_IS_PCI) {
		r = r100_pci_gart_init(rdev);
		if (r)
			return r;
	}
	r100_set_safe_registers(rdev);
	rdev->accel_working = true;
	r = r100_startup(rdev);
	if (r) {
		/* Somethings want wront with the accel init stop accel */
		dev_err(rdev->dev, "Disabling GPU acceleration\n");
		r100_suspend(rdev);
		r100_cp_fini(rdev);
		r100_wb_fini(rdev);
		r100_ib_fini(rdev);
		if (rdev->flags & RADEON_IS_PCI)
			r100_pci_gart_fini(rdev);
		radeon_irq_kms_fini(rdev);
		rdev->accel_working = false;
	}
	return 0;
}