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/*
* Copyright 2016 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.
*
* Author: Huang Rui
*
*/
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/pci.h>
#include "amdgpu.h"
#include "amdgpu_psp.h"
#include "amdgpu_ucode.h"
#include "soc15_common.h"
#include "psp_v10_0.h"
#include "mp/mp_10_0_offset.h"
#include "gc/gc_9_1_offset.h"
#include "sdma0/sdma0_4_1_offset.h"
MODULE_FIRMWARE("amdgpu/raven_asd.bin");
MODULE_FIRMWARE("amdgpu/picasso_asd.bin");
MODULE_FIRMWARE("amdgpu/raven2_asd.bin");
MODULE_FIRMWARE("amdgpu/picasso_ta.bin");
MODULE_FIRMWARE("amdgpu/raven2_ta.bin");
MODULE_FIRMWARE("amdgpu/raven_ta.bin");
static int psp_v10_0_init_microcode(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
char ucode_prefix[30];
int err = 0;
DRM_DEBUG("\n");
amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
err = psp_init_asd_microcode(psp, ucode_prefix);
if (err)
return err;
err = psp_init_ta_microcode(psp, ucode_prefix);
if ((amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 1, 0)) &&
(adev->pdev->revision == 0xa1) &&
(psp->securedisplay_context.context.bin_desc.fw_version >=
0x27000008)) {
adev->psp.securedisplay_context.context.bin_desc.size_bytes = 0;
}
return err;
}
static int psp_v10_0_ring_create(struct psp_context *psp,
enum psp_ring_type ring_type)
{
int ret = 0;
unsigned int psp_ring_reg = 0;
struct psp_ring *ring = &psp->km_ring;
struct amdgpu_device *adev = psp->adev;
/* Write low address of the ring to C2PMSG_69 */
psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
/* Write high address of the ring to C2PMSG_70 */
psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
/* Write size of ring to C2PMSG_71 */
psp_ring_reg = ring->ring_size;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
/* Write the ring initialization command to C2PMSG_64 */
psp_ring_reg = ring_type;
psp_ring_reg = psp_ring_reg << 16;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
/* There might be handshake issue with hardware which needs delay */
mdelay(20);
/* Wait for response flag (bit 31) in C2PMSG_64 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
0x80000000, 0x8000FFFF, false);
return ret;
}
static int psp_v10_0_ring_stop(struct psp_context *psp,
enum psp_ring_type ring_type)
{
int ret = 0;
unsigned int psp_ring_reg = 0;
struct amdgpu_device *adev = psp->adev;
/* Write the ring destroy command to C2PMSG_64 */
psp_ring_reg = 3 << 16;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
/* There might be handshake issue with hardware which needs delay */
mdelay(20);
/* Wait for response flag (bit 31) in C2PMSG_64 */
ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
0x80000000, 0x80000000, false);
return ret;
}
static int psp_v10_0_ring_destroy(struct psp_context *psp,
enum psp_ring_type ring_type)
{
int ret = 0;
struct psp_ring *ring = &psp->km_ring;
struct amdgpu_device *adev = psp->adev;
ret = psp_v10_0_ring_stop(psp, ring_type);
if (ret)
DRM_ERROR("Fail to stop psp ring\n");
amdgpu_bo_free_kernel(&adev->firmware.rbuf,
&ring->ring_mem_mc_addr,
(void **)&ring->ring_mem);
return ret;
}
static int psp_v10_0_mode1_reset(struct psp_context *psp)
{
DRM_INFO("psp mode 1 reset not supported now! \n");
return -EINVAL;
}
static uint32_t psp_v10_0_ring_get_wptr(struct psp_context *psp)
{
struct amdgpu_device *adev = psp->adev;
return RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
}
static void psp_v10_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
{
struct amdgpu_device *adev = psp->adev;
WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
}
static const struct psp_funcs psp_v10_0_funcs = {
.init_microcode = psp_v10_0_init_microcode,
.ring_create = psp_v10_0_ring_create,
.ring_stop = psp_v10_0_ring_stop,
.ring_destroy = psp_v10_0_ring_destroy,
.mode1_reset = psp_v10_0_mode1_reset,
.ring_get_wptr = psp_v10_0_ring_get_wptr,
.ring_set_wptr = psp_v10_0_ring_set_wptr,
};
void psp_v10_0_set_psp_funcs(struct psp_context *psp)
{
psp->funcs = &psp_v10_0_funcs;
}
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