path: root/drivers/gpu/drm/radeon/r300.c

/*
 * 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_reg.h"
#include "radeon.h"
#include "radeon_drm.h"
#include "r100_track.h"
#include "r300d.h"

#include "r300_reg_safe.h"

/* r300,r350,rv350,rv370,rv380 depends on : */
void r100_hdp_reset(struct radeon_device *rdev);
int r100_cp_reset(struct radeon_device *rdev);
int r100_rb2d_reset(struct radeon_device *rdev);
int r100_cp_init(struct radeon_device *rdev, unsigned ring_size);
int r100_pci_gart_enable(struct radeon_device *rdev);
void r100_pci_gart_disable(struct radeon_device *rdev);
void r100_mc_setup(struct radeon_device *rdev);
void r100_mc_disable_clients(struct radeon_device *rdev);
int r100_gui_wait_for_idle(struct radeon_device *rdev);
int r100_cs_packet_parse(struct radeon_cs_parser *p,
			 struct radeon_cs_packet *pkt,
			 unsigned idx);
int r100_cs_packet_parse_vline(struct radeon_cs_parser *p);
int r100_cs_parse_packet0(struct radeon_cs_parser *p,
			  struct radeon_cs_packet *pkt,
			  const unsigned *auth, unsigned n,
			  radeon_packet0_check_t check);
int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
					 struct radeon_cs_packet *pkt,
					 struct radeon_object *robj);

/* This files gather functions specifics to:
 * r300,r350,rv350,rv370,rv380
 *
 * Some of these functions might be used by newer ASICs.
 */
void r300_gpu_init(struct radeon_device *rdev);
int r300_mc_wait_for_idle(struct radeon_device *rdev);
int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);


/*
 * rv370,rv380 PCIE GART
 */
void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
{
	uint32_t tmp;
	int i;

	/* Workaround HW bug do flush 2 times */
	for (i = 0; i <