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 | 174 |
1 files changed, 174 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 000000000000..3584b8c18fd9 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c @@ -0,0 +1,174 @@ +/* + * 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), + MBOX_TOS_RESP_FLAG, MBOX_TOS_RESP_MASK, 0); + + 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), + MBOX_TOS_RESP_FLAG, MBOX_TOS_RESP_MASK, 0); + + 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; +} |