/*
* Copyright 2013 Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* Authors: Christian König <[email protected]>
*/
#include <linux/firmware.h>
#include "radeon.h"
#include "radeon_asic.h"
#include "sid.h"
#include "vce.h"
#define VCE_V1_0_FW_SIZE (256 * 1024)
#define VCE_V1_0_STACK_SIZE (64 * 1024)
#define VCE_V1_0_DATA_SIZE (7808 * (RADEON_MAX_VCE_HANDLES + 1))
struct vce_v1_0_fw_signature
{
int32_t off;
uint32_t len;
int32_t num;
struct {
uint32_t chip_id;
uint32_t keyselect;
uint32_t nonce[4];
uint32_t sigval[4];
} val[8];
};
/**
* vce_v1_0_get_rptr - get read pointer
*
* @rdev: radeon_device pointer
* @ring: radeon_ring pointer
*
* Returns the current hardware read pointer
*/
uint32_t vce_v1_0_get_rptr(struct radeon_device *rdev,
struct radeon_ring *ring)
{
if (ring->idx == TN_RING_TYPE_VCE1_INDEX)
return RREG32(VCE_RB_RPTR);
else
return RREG32(VCE_RB_RPTR2);
}
/**
* vce_v1_0_get_wptr - get write pointer
*
* @rdev: radeon_device pointer
* @ring: radeon_ring pointer
*
* Returns the current hardware write pointer
*/
uint32_t vce_v1_0_get_wptr(struct radeon_device *rdev,
struct radeon_ring *ring)
{
if (ring->idx == TN_RING_TYPE_VCE1_INDEX)
return RREG32(VCE_RB_WPTR);
else
return RREG32(VCE_RB_WPTR2);
}
/**
* vce_v1_0_set_wptr - set write pointer
*
* @rdev: radeon_device pointer
* @ring: radeon_ring pointer
*
* Commits the write pointer to the hardware
*/
void vce_v1_0_set_wptr(struct radeon_device *rdev,
struct radeon_ring *ring)
{
if (ring->idx == TN_RING_TYPE_VCE1_INDEX)
WREG32(VCE_RB_WPTR, ring->wptr);
else
WREG32(VCE_RB_WPTR2, ring->wptr);
}
void vce_v1_0_enable_mgcg(struct radeon_device *rdev, bool enable)
{
u32 tmp;
if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_VCE_MGCG)) {
tmp = RREG32(VCE_CLOCK_GATING_A);
tmp |= CGC_DYN_CLOCK_MODE;
WREG32(VCE_CLOCK_GATING_A, tmp);
tmp = RREG32(VCE_UENC_CLOCK_GATING);
tmp &= ~0x1ff000;
tmp |= 0xff800000;
WREG32(VCE_UENC_CLOCK_GATING, tmp);
tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
tmp &= ~0x3ff;
WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
} else {
tmp = RREG32(VCE_CLOCK_GATING_A);
tmp &= ~CGC_DYN_CLOCK_MODE;
WREG32(VCE_CLOCK_GATING_A, tmp);
tmp = RREG32(VCE_UENC_CLOCK_GATING);
tmp |= 0x1ff000;
tmp &= ~0xff800000;
WREG32(VCE_UENC_CLOCK_GATING, tmp);
tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
tmp |= 0x3ff;
WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
}
}
static void vce_v1_0_init_cg(struct radeon_device *rdev)
{
u32 tmp;
tmp = RREG32(VCE_CLOCK_GATING_A);
tmp |= CGC_DYN_CLOCK_MODE;
WREG32(VCE_CLOCK_GATING_A, tmp);
tmp = RREG32(VCE_CLOCK_GATING_B);
tmp |= 0x1e;
tmp &= ~0xe100e1;
WREG32(VCE_CLOCK_GATING_B, tmp);
tmp = RREG32(VCE_UENC_CLOCK_GATING);
tmp &= ~0xff9ff000;
WREG32(VCE_UENC_CLOCK_GATING, tmp);
tmp = RREG32(VCE_UENC_REG_CLOCK_GATING);
tmp &= ~0x3ff;
WREG32(VCE_UENC_REG_CLOCK_GATING, tmp);
}
int vce_v1_0_load_fw(struct radeon_device *rdev, uint32_t *data)
{
struct vce_v1_0_fw_signature *sign = (void*)rdev->vce_fw->data;
uint32_t chip_id;
int i;
switch (rdev->family) {
case CHIP_TAHITI:
chip_id = 0x01000014;
break;
case CHIP_VERDE:
chip_id = 0x01000015;
break;
case CHIP_PITCAIRN:
chip_id = 0x01000016;
break;
case CHIP_ARUBA:
chip_id = 0x01000017;
break;
default:
return -EINVAL;
}
for (i = 0; i < le32_to_cpu(sign->num); ++i) {
if (le32_to_cpu(sign->val[i].chip_id) == chip_id)
break;
}
if (i == le32_to_cpu(sign->num))
return -EINVAL;
data += (256 - 64) / 4;
data[0] = sign->val[i].nonce[0];
data[1] = sign->val[i].nonce[1];
data[2] = sign->val[i].nonce[2];
data[3] = sign->val[i].nonce[3];
data[4] = cpu_to_le32(le32_to_cpu(sign->len) + 64);
memset(&data[5], 0, 44);
memcpy(&data[16], &sign[1], rdev->vce_fw->size - sizeof(*sign));
data += (le32_to_cpu(sign->len) + 64) / 4;
data[0] = sign->val[i].sigval[0];
data[1] = sign->val[i].sigval[1];
data[2] = sign->val[i].sigval[2];
data[3] = sign->val[i].sigval[3];
rdev->vce.keyselect = le32_to_cpu(sign->val[i].keyselect);
return 0;
}
unsigned vce_v1_0_bo_size(struct radeon_device *rdev)
{
WARN_ON(VCE_V1_0_FW_SIZE < rdev->vce_fw->size);
return VCE_V1_0_FW_SIZE + VCE_V1_0_STACK_SIZE + VCE_V1_0_DATA_SIZE;
}
int vce_v1_0_resume(struct radeon_device *rdev)
{
uint64_t addr = rdev->vce.gpu_addr;
uint32_t size;
int i;
WREG32_P(VCE_CLOCK_GATING_A, 0, ~(1 << 16));
WREG32_P(VCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
WREG32_P(VCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
WREG32(VCE_CLOCK_GATING_B, 0);
WREG32_P(VCE_LMI_FW_PERIODIC_CTRL, 0x4, ~0x4);
WREG32(VCE_LMI_CTRL, 0x00398000);
WREG32_P(VCE_LMI_CACHE_CTRL, 0x0, ~0x1);
WREG32(VCE_LMI_SWAP_CNTL, 0);
WREG32(VCE_LMI_SWAP_CNTL1, 0);
WREG32(VCE_LMI_VM_CTRL, 0);
WREG32(VCE_VCPU_SCRATCH7, RADEON_MAX_VCE_HANDLES);
addr += 256;
size = VCE_V1_0_FW_SIZE;
WREG32(VCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
WREG32(VCE_VCPU_CACHE_SIZE0, size);
addr += size;
size = VCE_V1_0_STACK_SIZE;
WREG32(VCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
WREG32(VCE_VCPU_CACHE_SIZE1, size);
addr += size;
size = VCE_V1_0_DATA_SIZE;
WREG32(VCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
WREG32(VCE_VCPU_CACHE_SIZE2, size);
WREG32_P(VCE_LMI_CTRL2, 0x0, ~0x100);
WREG32(VCE_LMI_FW_START_KEYSEL, rdev->vce.keyselect);
for (i = 0; i < 10; ++i) {
mdelay(10);
if (RREG32(VCE_FW_REG_STATUS) & VCE_FW_REG_STATUS_DONE)
break;
}
if (i == 10)
return -ETIMEDOUT;
if (!(RREG32(VCE_FW_REG_STATUS) & VCE_FW_REG_STATUS_PASS))
return -EINVAL;
for (i = 0; i < 10; ++i) {
mdelay(10);
if (!(RREG32(VCE_FW_REG_STATUS) & VCE_FW_REG_STATUS_BUSY))
break;
}
if (i == 10)
return -ETIMEDOUT;
vce_v1_0_init_cg(rdev);
return 0;
}
/**
* vce_v1_0_start - start VCE block
*
* @rdev: radeon_device pointer
*
* Setup and start the VCE block
*/
int vce_v1_0_start(struct radeon_device *rdev)
{
struct radeon_ring *ring;
int i, j, r;
/* set BUSY flag */
WREG32_P(VCE_STATUS, 1, ~1);
ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
WREG32(VCE_RB_RPTR, ring->wptr);
WREG32(VCE_RB_WPTR, ring->wptr);
WREG32(VCE_RB_BASE_LO, ring->gpu_addr);
WREG32(VCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
WREG32(VCE_RB_SIZE, ring->ring_size / 4);
ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
WREG32(VCE_RB_RPTR2, ring->wptr);
WREG32(VCE_RB_WPTR2, ring->wptr);
WREG32(VCE_RB_BASE_LO2, ring->gpu_addr);
WREG32(VCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
WREG32(VCE_RB_SIZE2, ring->ring_size / 4);
WREG32_P(VCE_VCPU_CNTL, VCE_CLK_EN, ~VCE_CLK_EN);
WREG32_P(VCE_SOFT_RESET,
VCE_ECPU_SOFT_RESET |
VCE_FME_SOFT_RESET, ~(
VCE_ECPU_SOFT_RESET |
VCE_FME_SOFT_RESET));
mdelay(100);
WREG32_P(VCE_SOFT_RESET, 0, ~(
VCE_ECPU_SOFT_RESET |
VCE_FME_SOFT_RESET));
for (i = 0; i < 10; ++i) {
uint32_t status;
for (j = 0; j < 100; ++j) {
status = RREG32(VCE_STATUS);
if (status & 2)
break;
mdelay(10);
}
r = 0;
if (status & 2)
break;
DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
WREG32_P(VCE_SOFT_RESET, VCE_ECPU_SOFT_RESET, ~VCE_ECPU_SOFT_RESET);
mdelay(10);
WREG32_P(VCE_SOFT_RESET, 0, ~VCE_ECPU_SOFT_RESET);
mdelay(10);
r = -1;
}
/* clear BUSY flag */
WREG32_P(VCE_STATUS, 0, ~1);
if (r) {
DRM_ERROR("VCE not responding, giving up!!!\n");
return r;
}
return 0;
}
int vce_v1_0_init(struct radeon_device *rdev)
{
struct radeon_ring *ring;
int r;
r = vce_v1_0_start(rdev);
if (r)
return r;
ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
ring->ready = true;
r = radeon_ring_test(rdev, TN_RING_TYPE_VCE1_INDEX, ring);
if (r) {
ring->ready = false;
return r;
}
ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
ring->ready = true;
r = radeon_ring_test(rdev, TN_RING_TYPE_VCE2_INDEX, ring);
if (r) {
ring->ready = false;
return r;
}
DRM_INFO("VCE initialized successfully.\n");
return 0;
}
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