diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.h')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.h b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.h new file mode 100644 index 0000000..62009a7 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.h @@ -0,0 +1,64 @@ +/* + * 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 <ray.huang@amd.com> + * + */ + +#ifndef _ICELAND_SMUMGR_H_ +#define _ICELAND_SMUMGR_H_ + +struct iceland_buffer_entry { + uint32_t data_size; + uint32_t mc_addr_low; + uint32_t mc_addr_high; + void *kaddr; + unsigned long handle; +}; + +/* Iceland only has header_buffer, don't have smu buffer. */ +struct iceland_smumgr { + uint8_t *pHeader; + uint8_t *pMecImage; + uint32_t ulSoftRegsStart; + + struct iceland_buffer_entry header_buffer; +}; + +extern int iceland_smum_init(struct pp_smumgr *smumgr); +extern int iceland_copy_bytes_to_smc(struct pp_smumgr *smumgr, + uint32_t smcStartAddress, + const uint8_t *src, + uint32_t byteCount, uint32_t limit); + +extern int iceland_smu_start_smc(struct pp_smumgr *smumgr); + +extern int iceland_read_smc_sram_dword(struct pp_smumgr *smumgr, + uint32_t smcAddress, + uint32_t *value, uint32_t limit); +extern int iceland_write_smc_sram_dword(struct pp_smumgr *smumgr, + uint32_t smcAddress, + uint32_t value, uint32_t limit); + +extern bool iceland_is_smc_ram_running(struct pp_smumgr *smumgr); +extern int iceland_smu_upload_firmware_image(struct pp_smumgr *smumgr); + +#endif |
