/*
* Copyright 2014 Advanced Micro Devices, Inc.
*
* 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: Christian König <christian.koenig@amd.com>
*/
#include <linux/firmware.h>
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_uvd.h"
#include "vid.h"
#include "uvd/uvd_6_0_d.h"
#include "uvd/uvd_6_0_sh_mask.h"
#include "oss/oss_2_0_d.h"
#include "oss/oss_2_0_sh_mask.h"
#include "smu/smu_7_1_3_d.h"
#include "smu/smu_7_1_3_sh_mask.h"
#include "bif/bif_5_1_d.h"
#include "gmc/gmc_8_1_d.h"
#include "vi.h"
static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev);
static void uvd_v6_0_set_irq_funcs(struct amdgpu_device *adev);
static int uvd_v6_0_start(struct amdgpu_device *adev);
static void uvd_v6_0_stop(struct amdgpu_device *adev);
static void uvd_v6_0_set_sw_clock_gating(struct amdgpu_device *adev);
/**
* uvd_v6_0_ring_get_rptr - get read pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware read pointer
*/
static uint32_t uvd_v6_0_ring_get_rptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32(mmUVD_RBC_RB_RPTR);
}
/**
* uvd_v6_0_ring_get_wptr - get write pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware write pointer
*/
static uint32_t uvd_v6_0_ring_get_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32(mmUVD_RBC_RB_WPTR);
}
/**
* uvd_v6_0_ring_set_wptr - set write pointer
*
* @ring: amdgpu_ring pointer
*
* Commits the write pointer to the hardware
*/
static void uvd_v6_0_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
WREG32(mmUVD_RBC_RB_WPTR, ring->wptr);
}
static int uvd_v6_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
uvd_v6_0_set_ring_funcs(adev);
uvd_v6_0_set_irq_funcs(adev);
return 0;
}
static int uvd_v6_0_sw_init(void *handle)
{
struct amdgpu_ring *ring;
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
/* UVD TRAP */
r = amdgpu_irq_add_id(adev, 124, &adev->uvd.irq);
if (r)
return r;
r = amdgpu_uvd_sw_init(adev);
if (r)
return r;
r = amdgpu_uvd_resume(adev);
if (r)
return r;
ring = &adev->uvd.ring;
sprintf(ring->name, "uvd");
r = amdgpu_ring_init(adev, ring, 512, PACKET0(mmUVD_NO_OP, 0), 0xf,
&adev->uvd.irq, 0, AMDGPU_RING_TYPE_UVD);
return r;
}
static int uvd_v6_0_sw_fini(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = amdgpu_uvd_suspend(adev);
if (r)
return r;
r = amdgpu_uvd_sw_fini(adev);
if (r)
return r;
return r;
}
/**
* uvd_v6_0_hw_init - start and test UVD block
*
* @adev: amdgpu_device pointer
*
* Initialize the hardware, boot up the VCPU and do some testing
*/
static int uvd_v6_0_hw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring