diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v10_0.c | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c new file mode 100644 index 000000000..d7f92634e --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c @@ -0,0 +1,252 @@ +/* + * 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; + const char *chip_name; + char fw_name[30]; + int err = 0; + const struct ta_firmware_header_v1_0 *ta_hdr; + DRM_DEBUG("\n"); + + switch (adev->asic_type) { + case CHIP_RAVEN: + if (adev->apu_flags & AMD_APU_IS_RAVEN2) + chip_name = "raven2"; + else if (adev->apu_flags & AMD_APU_IS_PICASSO) + chip_name = "picasso"; + else + chip_name = "raven"; + break; + default: BUG(); + } + + err = psp_init_asd_microcode(psp, chip_name); + if (err) + goto out; + + snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name); + err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev); + if (err) { + release_firmware(adev->psp.ta_fw); + adev->psp.ta_fw = NULL; + dev_info(adev->dev, + "psp v10.0: Failed to load firmware \"%s\"\n", + fw_name); + } else { + err = amdgpu_ucode_validate(adev->psp.ta_fw); + if (err) + goto out2; + + ta_hdr = (const struct ta_firmware_header_v1_0 *) + adev->psp.ta_fw->data; + adev->psp.ta_hdcp_ucode_version = + le32_to_cpu(ta_hdr->ta_hdcp_ucode_version); + adev->psp.ta_hdcp_ucode_size = + le32_to_cpu(ta_hdr->ta_hdcp_size_bytes); + adev->psp.ta_hdcp_start_addr = + (uint8_t *)ta_hdr + + le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes); + + adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version); + + adev->psp.ta_dtm_ucode_version = + le32_to_cpu(ta_hdr->ta_dtm_ucode_version); + adev->psp.ta_dtm_ucode_size = + le32_to_cpu(ta_hdr->ta_dtm_size_bytes); + adev->psp.ta_dtm_start_addr = + (uint8_t *)adev->psp.ta_hdcp_start_addr + + le32_to_cpu(ta_hdr->ta_dtm_offset_bytes); + } + + return 0; + +out2: + release_firmware(adev->psp.ta_fw); + adev->psp.ta_fw = NULL; +out: + if (err) { + dev_err(adev->dev, + "psp v10.0: Failed to load firmware \"%s\"\n", + fw_name); + } + + return err; +} + +static int psp_v10_0_ring_init(struct psp_context *psp, + enum psp_ring_type ring_type) +{ + int ret = 0; + struct psp_ring *ring; + struct amdgpu_device *adev = psp->adev; + + ring = &psp->km_ring; + + ring->ring_type = ring_type; + + /* allocate 4k Page of Local Frame Buffer memory for ring */ + ring->ring_size = 0x1000; + ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, + &adev->firmware.rbuf, + &ring->ring_mem_mc_addr, + (void **)&ring->ring_mem); + if (ret) { + ring->ring_size = 0; + return ret; + } + + return 0; +} + +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_init = psp_v10_0_ring_init, + .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; +} |