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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 "drmP.h"
#include "radeon_reg.h"
#include "radeon.h"
/* rv770,rv730,rv710 depends on : */
void rs600_mc_disable_clients(struct radeon_device *rdev);
/* This files gather functions specifics to:
* rv770,rv730,rv710
*
* Some of these functions might be used by newer ASICs.
*/
int rv770_mc_wait_for_idle(struct radeon_device *rdev);
void rv770_gpu_init(struct radeon_device *rdev);
/*
* MC
*/
int rv770_mc_init(struct radeon_device *rdev)
{
uint32_t tmp;
rv770_gpu_init(rdev);
/* setup the gart before changing location so we can ask to
* discard unmapped mc request
*/
/* FIXME: disable out of gart access */
tmp = rdev->mc.gtt_location / 4096;
tmp = REG_SET(R700_LOGICAL_PAGE_NUMBER, tmp);
WREG32(R700_MC_VM_SYSTEM_APERTURE_LOW_ADDR, tmp);
tmp = (rdev->mc.gtt_location + rdev->mc.gtt_size) / 4096;
tmp = REG_SET(R700_LOGICAL_PAGE_NUMBER, tmp);
WREG32(R700_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, tmp);
rs600_mc_disable_clients(rdev);
if (rv770_mc_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait MC idle while "
"programming pipes. Bad things might happen.\n");
}
tmp = rdev->mc.vram_location + rdev->mc.vram_size - 1;
tmp = REG_SET(R700_MC_FB_TOP, tmp >> 24);
tmp |= REG_SET(R700_MC_FB_BASE, rdev->mc.vram_location >> 24);
WREG32(R700_MC_VM_FB_LOCATION, tmp);
tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
tmp = REG_SET(R700_MC_AGP_TOP, tmp >> 22);
WREG32(R700_MC_VM_AGP_TOP, tmp);
tmp = REG_SET(R700_MC_AGP_BOT, rdev->mc.gtt_location >> 22);
WREG32(R700_MC_VM_AGP_BOT, tmp);
return 0;
}
void rv770_mc_fini(struct radeon_device *rdev)
{
/* FIXME: implement */
}
/*
* Global GPU functions
*/
void rv770_errata(struct radeon_device *rdev)
{
rdev->pll_errata = 0;
}
int rv770_mc_wait_for_idle(struct radeon_device *rdev)
{
/* FIXME: implement */
return 0;
}
void rv770_gpu_init(struct radeon_device *rdev)
{
/* FIXME: implement */
}
/*
* VRAM info
*/
void rv770_vram_get_type(struct radeon_device *rdev)
{
/* FIXME: implement */
}
void rv770_vram_info(struct radeon_device *rdev)
{
rv770_vram_get_type(rdev);
/* FIXME: implement */
/* Could aper size report 0 ? */
rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
}
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