diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c | 984 |
1 files changed, 984 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c new file mode 100644 index 000000000000..de618ead9db8 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c @@ -0,0 +1,984 @@ +/* + * Copyright 2015 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. + * + */ + +#include "smumgr.h" +#include "smu74.h" +#include "smu_ucode_xfer_vi.h" +#include "polaris10_smumgr.h" +#include "smu74_discrete.h" +#include "smu/smu_7_1_3_d.h" +#include "smu/smu_7_1_3_sh_mask.h" +#include "gmc/gmc_8_1_d.h" +#include "gmc/gmc_8_1_sh_mask.h" +#include "oss/oss_3_0_d.h" +#include "gca/gfx_8_0_d.h" +#include "bif/bif_5_0_d.h" +#include "bif/bif_5_0_sh_mask.h" +#include "polaris10_pwrvirus.h" +#include "ppatomctrl.h" +#include "pp_debug.h" +#include "cgs_common.h" + +#define POLARIS10_SMC_SIZE 0x20000 +#define VOLTAGE_SCALE 4 + +/* Microcode file is stored in this buffer */ +#define BUFFER_SIZE 80000 +#define MAX_STRING_SIZE 15 +#define BUFFER_SIZETWO 131072 /* 128 *1024 */ + +#define SMC_RAM_END 0x40000 + +static const SMU74_Discrete_GraphicsLevel avfs_graphics_level_polaris10[8] = { + /* Min pcie DeepSleep Activity CgSpll CgSpll CcPwr CcPwr Sclk Enabled Enabled Voltage Power */ + /* Voltage, DpmLevel, DivId, Level, FuncCntl3, FuncCntl4, DynRm, DynRm1 Did, Padding,ForActivity, ForThrottle, UpHyst, DownHyst, DownHyst, Throttle */ + { 0x3c0fd047, 0x00, 0x03, 0x1e00, 0x00200410, 0x87020000, 0, 0, 0x16, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0x30750000, 0, 0, 0, 0, 0, 0, 0 } }, + { 0xa00fd047, 0x01, 0x04, 0x1e00, 0x00800510, 0x87020000, 0, 0, 0x16, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0x409c0000, 0, 0, 0, 0, 0, 0, 0 } }, + { 0x0410d047, 0x01, 0x00, 0x1e00, 0x00600410, 0x87020000, 0, 0, 0x0e, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0x50c30000, 0, 0, 0, 0, 0, 0, 0 } }, + { 0x6810d047, 0x01, 0x00, 0x1e00, 0x00800410, 0x87020000, 0, 0, 0x0c, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0x60ea0000, 0, 0, 0, 0, 0, 0, 0 } }, + { 0xcc10d047, 0x01, 0x00, 0x1e00, 0x00e00410, 0x87020000, 0, 0, 0x0c, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0xe8fd0000, 0, 0, 0, 0, 0, 0, 0 } }, + { 0x3011d047, 0x01, 0x00, 0x1e00, 0x00400510, 0x87020000, 0, 0, 0x0c, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0x70110100, 0, 0, 0, 0, 0, 0, 0 } }, + { 0x9411d047, 0x01, 0x00, 0x1e00, 0x00a00510, 0x87020000, 0, 0, 0x0c, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0xf8240100, 0, 0, 0, 0, 0, 0, 0 } }, + { 0xf811d047, 0x01, 0x00, 0x1e00, 0x00000610, 0x87020000, 0, 0, 0x0c, 0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, { 0x80380100, 0, 0, 0, 0, 0, 0, 0 } } +}; + +static const SMU74_Discrete_MemoryLevel avfs_memory_level_polaris10 = + {0x50140000, 0x50140000, 0x00320000, 0x00, 0x00, + 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x0000, 0x00, 0x00}; + +/** +* Set the address for reading/writing the SMC SRAM space. +* @param smumgr the address of the powerplay hardware manager. +* @param smcAddress the address in the SMC RAM to access. +*/ +static int polaris10_set_smc_sram_address(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t limit) +{ + PP_ASSERT_WITH_CODE((0 == (3 & smc_addr)), "SMC address must be 4 byte aligned.", return -EINVAL); + PP_ASSERT_WITH_CODE((limit > (smc_addr + 3)), "SMC addr is beyond the SMC RAM area.", return -EINVAL); + + cgs_write_register(smumgr->device, mmSMC_IND_INDEX_11, smc_addr); + SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 0); + + return 0; +} + +/** +* Copy bytes from SMC RAM space into driver memory. +* +* @param smumgr the address of the powerplay SMU manager. +* @param smc_start_address the start address in the SMC RAM to copy bytes from +* @param src the byte array to copy the bytes to. +* @param byte_count the number of bytes to copy. +*/ +int polaris10_copy_bytes_from_smc(struct pp_smumgr *smumgr, uint32_t smc_start_address, uint32_t *dest, uint32_t byte_count, uint32_t limit) +{ + uint32_t data; + uint32_t addr; + uint8_t *dest_byte; + uint8_t i, data_byte[4] = {0}; + uint32_t *pdata = (uint32_t *)&data_byte; + + PP_ASSERT_WITH_CODE((0 == (3 & smc_start_address)), "SMC address must be 4 byte aligned.", return -1;); + PP_ASSERT_WITH_CODE((limit > (smc_start_address + byte_count)), "SMC address is beyond the SMC RAM area.", return -1); + + addr = smc_start_address; + + while (byte_count >= 4) { + polaris10_read_smc_sram_dword(smumgr, addr, &data, limit); + + *dest = PP_SMC_TO_HOST_UL(data); + + dest += 1; + byte_count -= 4; + addr += 4; + } + + if (byte_count) { + polaris10_read_smc_sram_dword(smumgr, addr, &data, limit); + *pdata = PP_SMC_TO_HOST_UL(data); + /* Cast dest into byte type in dest_byte. This way, we don't overflow if the allocated memory is not 4-byte aligned. */ + dest_byte = (uint8_t *)dest; + for (i = 0; i < byte_count; i++) + dest_byte[i] = data_byte[i]; + } + + return 0; +} + +/** +* Copy bytes from an array into the SMC RAM space. +* +* @param pSmuMgr the address of the powerplay SMU manager. +* @param smc_start_address the start address in the SMC RAM to copy bytes to. +* @param src the byte array to copy the bytes from. +* @param byte_count the number of bytes to copy. +*/ +int polaris10_copy_bytes_to_smc(struct pp_smumgr *smumgr, uint32_t smc_start_address, + const uint8_t *src, uint32_t byte_count, uint32_t limit) +{ + int result; + uint32_t data = 0; + uint32_t original_data; + uint32_t addr = 0; + uint32_t extra_shift; + + PP_ASSERT_WITH_CODE((0 == (3 & smc_start_address)), "SMC address must be 4 byte aligned.", return -1); + PP_ASSERT_WITH_CODE((limit > (smc_start_address + byte_count)), "SMC address is beyond the SMC RAM area.", return -1); + + addr = smc_start_address; + + while (byte_count >= 4) { + /* Bytes are written into the SMC addres space with the MSB first. */ + data = src[0] * 0x1000000 + src[1] * 0x10000 + src[2] * 0x100 + src[3]; + + result = polaris10_set_smc_sram_address(smumgr, addr, limit); + + if (0 != result) + return result; + + cgs_write_register(smumgr->device, mmSMC_IND_DATA_11, data); + + src += 4; + byte_count -= 4; + addr += 4; + } + + if (0 != byte_count) { + + data = 0; + + result = polaris10_set_smc_sram_address(smumgr, addr, limit); + + if (0 != result) + return result; + + + original_data = cgs_read_register(smumgr->device, mmSMC_IND_DATA_11); + + extra_shift = 8 * (4 - byte_count); + + while (byte_count > 0) { + /* Bytes are written into the SMC addres space with the MSB first. */ + data = (0x100 * data) + *src++; + byte_count--; + } + + data <<= extra_shift; + + data |= (original_data & ~((~0UL) << extra_shift)); + + result = polaris10_set_smc_sram_address(smumgr, addr, limit); + + if (0 != result) + return result; + + cgs_write_register(smumgr->device, mmSMC_IND_DATA_11, data); + } + + return 0; +} + + +static int polaris10_program_jump_on_start(struct pp_smumgr *smumgr) +{ + static const unsigned char data[4] = { 0xE0, 0x00, 0x80, 0x40 }; + + polaris10_copy_bytes_to_smc(smumgr, 0x0, data, 4, sizeof(data)+1); + + return 0; +} + +/** +* Return if the SMC is currently running. +* +* @param smumgr the address of the powerplay hardware manager. +*/ +bool polaris10_is_smc_ram_running(struct pp_smumgr *smumgr) +{ + return ((0 == SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMC_SYSCON_CLOCK_CNTL_0, ck_disable)) + && (0x20100 <= cgs_read_ind_register(smumgr->device, CGS_IND_REG__SMC, ixSMC_PC_C))); +} + +/** +* Send a message to the SMC, and wait for its response. +* +* @param smumgr the address of the powerplay hardware manager. +* @param msg the message to send. +* @return The response that came from the SMC. +*/ +int polaris10_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg) +{ + if (!polaris10_is_smc_ram_running(smumgr)) + return -1; + + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + + if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP)) + printk("Failed to send Previous Message.\n"); + + + cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg); + + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + + if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP)) + printk("Failed to send Message.\n"); + + return 0; +} + + +/** +* Send a message to the SMC, and do not wait for its response. +* +* @param smumgr the address of the powerplay hardware manager. +* @param msg the message to send. +* @return Always return 0. +*/ +int polaris10_send_msg_to_smc_without_waiting(struct pp_smumgr *smumgr, uint16_t msg) +{ + cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg); + + return 0; +} + +/** +* Send a message to the SMC with parameter +* +* @param smumgr: the address of the powerplay hardware manager. +* @param msg: the message to send. +* @param parameter: the parameter to send +* @return The response that came from the SMC. +*/ +int polaris10_send_msg_to_smc_with_parameter(struct pp_smumgr *smumgr, uint16_t msg, uint32_t parameter) +{ + if (!polaris10_is_smc_ram_running(smumgr)) { + return -1; + } + + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + + cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, parameter); + + return polaris10_send_msg_to_smc(smumgr, msg); +} + + +/** +* Send a message to the SMC with parameter, do not wait for response +* +* @param smumgr: the address of the powerplay hardware manager. +* @param msg: the message to send. +* @param parameter: the parameter to send +* @return The response that came from the SMC. +*/ +int polaris10_send_msg_to_smc_with_parameter_without_waiting(struct pp_smumgr *smumgr, uint16_t msg, uint32_t parameter) +{ + cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, parameter); + + return polaris10_send_msg_to_smc_without_waiting(smumgr, msg); +} + +int polaris10_send_msg_to_smc_offset(struct pp_smumgr *smumgr) +{ + cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, 0x20000); + + cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, PPSMC_MSG_Test); + + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + + if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP)) + printk("Failed to send Message.\n"); + + return 0; +} + +/** +* Wait until the SMC is doing nithing. Doing nothing means that the SMC is either turned off or it is sitting on the STOP instruction. +* +* @param smumgr the address of the powerplay hardware manager. +* @param msg the message to send. +* @return The response that came from the SMC. +*/ +int polaris10_wait_for_smc_inactive(struct pp_smumgr *smumgr) +{ + /* If the SMC is not even on it qualifies as inactive. */ + if (!polaris10_is_smc_ram_running(smumgr)) + return -1; + + SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, SMC_SYSCON_CLOCK_CNTL_0, cken, 0); + return 0; +} + + +/** +* Upload the SMC firmware to the SMC microcontroller. +* +* @param smumgr the address of the powerplay hardware manager. +* @param pFirmware the data structure containing the various sections of the firmware. +*/ +static int polaris10_upload_smc_firmware_data(struct pp_smumgr *smumgr, uint32_t length, uint32_t *src, uint32_t limit) +{ + uint32_t byte_count = length; + + PP_ASSERT_WITH_CODE((limit >= byte_count), "SMC address is beyond the SMC RAM area.", return -1); + + cgs_write_register(smumgr->device, mmSMC_IND_INDEX_11, 0x20000); + SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 1); + + for (; byte_count >= 4; byte_count -= 4) + cgs_write_register(smumgr->device, mmSMC_IND_DATA_11, *src++); + + SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 0); + + PP_ASSERT_WITH_CODE((0 == byte_count), "SMC size must be dividable by 4.", return -1); + + return 0; +} + +static enum cgs_ucode_id polaris10_convert_fw_type_to_cgs(uint32_t fw_type) +{ + enum cgs_ucode_id result = CGS_UCODE_ID_MAXIMUM; + + switch (fw_type) { + case UCODE_ID_SMU: + result = CGS_UCODE_ID_SMU; + break; + case UCODE_ID_SMU_SK: + result = CGS_UCODE_ID_SMU_SK; + break; + case UCODE_ID_SDMA0: + result = CGS_UCODE_ID_SDMA0; + break; + case UCODE_ID_SDMA1: + result = CGS_UCODE_ID_SDMA1; + break; + case UCODE_ID_CP_CE: + result = CGS_UCODE_ID_CP_CE; + break; + case UCODE_ID_CP_PFP: + result = CGS_UCODE_ID_CP_PFP; + break; + case UCODE_ID_CP_ME: + result = CGS_UCODE_ID_CP_ME; + break; + case UCODE_ID_CP_MEC: + result = CGS_UCODE_ID_CP_MEC; + break; + case UCODE_ID_CP_MEC_JT1: + result = CGS_UCODE_ID_CP_MEC_JT1; + break; + case UCODE_ID_CP_MEC_JT2: + result = CGS_UCODE_ID_CP_MEC_JT2; + break; + case UCODE_ID_RLC_G: + result = CGS_UCODE_ID_RLC_G; + break; + default: + break; + } + + return result; +} + +static int polaris10_upload_smu_firmware_image(struct pp_smumgr *smumgr) +{ + int result = 0; + struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend); + + struct cgs_firmware_info info = {0}; + + if (smu_data->security_hard_key == 1) + cgs_get_firmware_info(smumgr->device, + polaris10_convert_fw_type_to_cgs(UCODE_ID_SMU), &info); + else + cgs_get_firmware_info(smumgr->device, + polaris10_convert_fw_type_to_cgs(UCODE_ID_SMU_SK), &info); + + /* TO DO cgs_init_samu_load_smu(smumgr->device, (uint32_t *)info.kptr, info.image_size, smu_data->post_initial_boot);*/ + result = polaris10_upload_smc_firmware_data(smumgr, info.image_size, (uint32_t *)info.kptr, POLARIS10_SMC_SIZE); + + return result; +} + +/** +* Read a 32bit value from the SMC SRAM space. +* ALL PARAMETERS ARE IN HOST BYTE ORDER. +* @param smumgr the address of the powerplay hardware manager. +* @param smcAddress the address in the SMC RAM to access. +* @param value and output parameter for the data read from the SMC SRAM. +*/ +int polaris10_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t *value, uint32_t limit) +{ + int result; + + result = polaris10_set_smc_sram_address(smumgr, smc_addr, limit); + + if (result) + return result; + + *value = cgs_read_register(smumgr->device, mmSMC_IND_DATA_11); + return 0; +} + +/** +* Write a 32bit value to the SMC SRAM space. +* ALL PARAMETERS ARE IN HOST BYTE ORDER. +* @param smumgr the address of the powerplay hardware manager. +* @param smc_addr the address in the SMC RAM to access. +* @param value to write to the SMC SRAM. +*/ +int polaris10_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t value, uint32_t limit) +{ + int result; + + result = polaris10_set_smc_sram_address(smumgr, smc_addr, limit); + + if (result) + return result; + + cgs_write_register(smumgr->device, mmSMC_IND_DATA_11, value); + + return 0; +} + + +int polaris10_smu_fini(struct pp_smumgr *smumgr) +{ + if (smumgr->backend) { + kfree(smumgr->backend); + smumgr->backend = NULL; + } + return 0; +} + +/* Convert the firmware type to SMU type mask. For MEC, we need to check all MEC related type */ +static uint32_t polaris10_get_mask_for_firmware_type(uint32_t fw_type) +{ + uint32_t result = 0; + + switch (fw_type) { + case UCODE_ID_SDMA0: + result = UCODE_ID_SDMA0_MASK; + break; + case UCODE_ID_SDMA1: + result = UCODE_ID_SDMA1_MASK; + break; + case UCODE_ID_CP_CE: + result = UCODE_ID_CP_CE_MASK; + break; + case UCODE_ID_CP_PFP: + result = UCODE_ID_CP_PFP_MASK; + break; + case UCODE_ID_CP_ME: + result = UCODE_ID_CP_ME_MASK; + break; + case UCODE_ID_CP_MEC_JT1: + case UCODE_ID_CP_MEC_JT2: + result = UCODE_ID_CP_MEC_MASK; + break; + case UCODE_ID_RLC_G: + result = UCODE_ID_RLC_G_MASK; + break; + default: + printk("UCode type is out of range! \n"); + result = 0; + } + + return result; +} + +/* Populate one firmware image to the data structure */ + +static int polaris10_populate_single_firmware_entry(struct pp_smumgr *smumgr, + uint32_t fw_type, + struct SMU_Entry *entry) +{ + int result = 0; + struct cgs_firmware_info info = {0}; + + result = cgs_get_firmware_info(smumgr->device, + polaris10_convert_fw_type_to_cgs(fw_type), + &info); + + if (!result) { + entry->version = info.version; + entry->id = (uint16_t)fw_type; + entry->image_addr_high = smu_upper_32_bits(info.mc_addr); + entry->image_addr_low = smu_lower_32_bits(info.mc_addr); + entry->meta_data_addr_high = 0; + entry->meta_data_addr_low = 0; + entry->data_size_byte = info.image_size; + entry->num_register_entries = 0; + } + + if (fw_type == UCODE_ID_RLC_G) + entry->flags = 1; + else + entry->flags = 0; + + return 0; +} + +static int polaris10_request_smu_load_fw(struct pp_smumgr *smumgr) +{ + struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend); + uint32_t fw_to_load; + + int result = 0; + struct SMU_DRAMData_TOC *toc; + + if (!smumgr->reload_fw) { + printk(KERN_INFO "[ powerplay ] skip reloading...\n"); + return 0; + } + + if (smu_data->soft_regs_start) + cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, + smu_data->soft_regs_start + offsetof(SMU74_SoftRegisters, UcodeLoadStatus), + 0x0); + + polaris10_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_SMU_DRAM_ADDR_HI, smu_data->smu_buffer.mc_addr_high); + polaris10_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_SMU_DRAM_ADDR_LO, smu_data->smu_buffer.mc_addr_low); + + toc = (struct SMU_DRAMData_TOC *)smu_data->header; + toc->num_entries = 0; + toc->structure_version = 1; + + PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_RLC_G, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); + PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_CP_CE, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); + PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_CP_PFP, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); + PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_CP_ME, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); + PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_CP_MEC, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); + PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_CP_MEC_JT1, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); + PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_CP_MEC_JT2, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); + PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_SDMA0, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); + PP_ASSERT_WITH_CODE(0 == polaris10_populate_single_firmware_entry(smumgr, UCODE_ID_SDMA1, &toc->entry[toc->num_entries++]), "Failed to Get Firmware Entry.", return -1); + + polaris10_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_DRV_DRAM_ADDR_HI, smu_data->header_buffer.mc_addr_high); + polaris10_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_DRV_DRAM_ADDR_LO, smu_data->header_buffer.mc_addr_low); + + fw_to_load = UCODE_ID_RLC_G_MASK + + UCODE_ID_SDMA0_MASK + + UCODE_ID_SDMA1_MASK + + UCODE_ID_CP_CE_MASK + + UCODE_ID_CP_ME_MASK + + UCODE_ID_CP_PFP_MASK + + UCODE_ID_CP_MEC_MASK; + + if (polaris10_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_LoadUcodes, fw_to_load)) + printk(KERN_ERR "Fail to Request SMU Load uCode"); + + return result; +} + +/* Check if the FW has been loaded, SMU will not return if loading has not finished. */ +static int polaris10_check_fw_load_finish(struct pp_smumgr *smumgr, uint32_t fw_type) +{ + struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend); + uint32_t fw_mask = polaris10_get_mask_for_firmware_type(fw_type); + uint32_t ret; + /* Check SOFT_REGISTERS_TABLE_28.UcodeLoadStatus */ + ret = smum_wait_on_indirect_register(smumgr, mmSMC_IND_INDEX_11, + smu_data->soft_regs_start + offsetof(SMU74_SoftRegisters, UcodeLoadStatus), + fw_mask, fw_mask); + + return ret; +} + +static int polaris10_reload_firmware(struct pp_smumgr *smumgr) +{ + return smumgr->smumgr_funcs->start_smu(smumgr); +} + +static int polaris10_setup_pwr_virus(struct pp_smumgr *smumgr) +{ + int i; + int result = -1; + uint32_t reg, data; + + const PWR_Command_Table *pvirus = pwr_virus_table; + struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend); + + + for (i = 0; i < PWR_VIRUS_TABLE_SIZE; i++) { + switch (pvirus->command) { + case PwrCmdWrite: + reg = pvirus->reg; + data = pvirus->data; + cgs_write_register(smumgr->device, reg, data); + break; + + case PwrCmdEnd: + result = 0; + break; + + default: + printk("Table Exit with Invalid Command!"); + smu_data->avfs.avfs_btc_status = AVFS_BTC_VIRUS_FAIL; + result = -1; + break; + } + pvirus++; + } + + return result; +} + +static int polaris10_perform_btc(struct pp_smumgr *smumgr) +{ + int result = 0; + struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend); + + if (0 != smu_data->avfs.avfs_btc_param) { + if (0 != polaris10_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_PerformBtc, smu_data->avfs.avfs_btc_param)) { + printk("[AVFS][SmuPolaris10_PerformBtc] PerformBTC SMU msg failed"); + result = -1; + } + } + if (smu_data->avfs.avfs_btc_param > 1) { + /* Soft-Reset to reset the engine before loading uCode */ + /* halt */ + cgs_write_register(smumgr->device, mmCP_MEC_CNTL, 0x50000000); + /* reset everything */ + cgs_write_register(smumgr->device, mmGRBM_SOFT_RESET, 0xffffffff); + cgs_write_register(smumgr->device, mmGRBM_SOFT_RESET, 0); + } + return result; +} + + +int polaris10_setup_graphics_level_structure(struct pp_smumgr *smumgr) +{ + uint32_t vr_config; + uint32_t dpm_table_start; + + uint16_t u16_boot_mvdd; + uint32_t graphics_level_address, vr_config_address, graphics_level_size; + + graphics_level_size = sizeof(avfs_graphics_level_polaris10); + u16_boot_mvdd = PP_HOST_TO_SMC_US(1300 * VOLTAGE_SCALE); + + PP_ASSERT_WITH_CODE(0 == polaris10_read_smc_sram_dword(smumgr, + SMU7_FIRMWARE_HEADER_LOCATION + offsetof(SMU74_Firmware_Header, DpmTable), + &dpm_table_start, 0x40000), + "[AVFS][Polaris10_SetupGfxLvlStruct] SMU could not communicate starting address of DPM table", + return -1); + + /* Default value for VRConfig = VR_MERGED_WITH_VDDC + VR_STATIC_VOLTAGE(VDDCI) */ + vr_config = 0x01000500; /* Real value:0x50001 */ + + vr_config_address = dpm_table_start + offsetof(SMU74_Discrete_DpmTable, VRConfig); + + PP_ASSERT_WITH_CODE(0 == polaris10_copy_bytes_to_smc(smumgr, vr_config_address, + (uint8_t *)&vr_config, sizeof(uint32_t), 0x40000), + "[AVFS][Polaris10_SetupGfxLvlStruct] Problems copying VRConfig value over to SMC", + return -1); + + graphics_level_address = dpm_table_start + offsetof(SMU74_Discrete_DpmTable, GraphicsLevel); + + PP_ASSERT_WITH_CODE(0 == polaris10_copy_bytes_to_smc(smumgr, graphics_level_address, + (uint8_t *)(&avfs_graphics_level_polaris10), + graphics_level_size, 0x40000), + "[AVFS][Polaris10_SetupGfxLvlStruct] Copying of SCLK DPM table failed!", + return -1); + + graphics_level_address = dpm_table_start + offsetof(SMU74_Discrete_DpmTable, MemoryLevel); + + PP_ASSERT_WITH_CODE(0 == polaris10_copy_bytes_to_smc(smumgr, graphics_level_address, + (uint8_t *)(&avfs_memory_level_polaris10), sizeof(avfs_memory_level_polaris10), 0x40000), + "[AVFS][Polaris10_SetupGfxLvlStruct] Copying of MCLK DPM table failed!", + return -1); + + /* MVDD Boot value - neccessary for getting rid of the hang that occurs during Mclk DPM enablement */ + + graphics_level_address = dpm_table_start + offsetof(SMU74_Discrete_DpmTable, BootMVdd); + + PP_ASSERT_WITH_CODE(0 == polaris10_copy_bytes_to_smc(smumgr, graphics_level_address, + (uint8_t *)(&u16_boot_mvdd), sizeof(u16_boot_mvdd), 0x40000), + "[AVFS][Polaris10_SetupGfxLvlStruct] Copying of DPM table failed!", + return -1); + + return 0; +} + +int polaris10_avfs_event_mgr(struct pp_smumgr *smumgr, bool SMU_VFT_INTACT) +{ + struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend); + + switch (smu_data->avfs.avfs_btc_status) { + case AVFS_BTC_COMPLETED_PREVIOUSLY: + break; + + case AVFS_BTC_BOOT: /* Cold Boot State - Post SMU Start */ + + smu_data->avfs.avfs_btc_status = AVFS_BTC_DPMTABLESETUP_FAILED; + PP_ASSERT_WITH_CODE(0 == polaris10_setup_graphics_level_structure(smumgr), + "[AVFS][Polaris10_AVFSEventMgr] Could not Copy Graphics Level table over to SMU", + return -1); + + if (smu_data->avfs.avfs_btc_param > 1) { + printk("[AVFS][Polaris10_AVFSEventMgr] AC BTC has not been successfully verified on Fiji. There may be in this setting."); + smu_data->avfs.avfs_btc_status = AVFS_BTC_VIRUS_FAIL; + PP_ASSERT_WITH_CODE(-1 == polaris10_setup_pwr_virus(smumgr), + "[AVFS][Polaris10_AVFSEventMgr] Could not setup Pwr Virus for AVFS ", + return -1); + } + + smu_data->avfs.avfs_btc_status = AVFS_BTC_FAILED; + PP_ASSERT_WITH_CODE(0 == polaris10_perform_btc(smumgr), + "[AVFS][Polaris10_AVFSEventMgr] Failure at SmuPolaris10_PerformBTC. AVFS Disabled", + return -1); + + break; + + case AVFS_BTC_DISABLED: + case AVFS_BTC_NOTSUPPORTED: + break; + + default: + printk("[AVFS] Something is broken. See log!"); + break; + } + + return 0; +} + +static int polaris10_start_smu_in_protection_mode(struct pp_smumgr *smumgr) +{ + int result = 0; + + /* Wait for smc boot up */ + /* SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, RCU_UC_EVENTS, boot_seq_done, 0) */ + + /* Assert reset */ + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMC_SYSCON_RESET_CNTL, rst_reg, 1); + + result = polaris10_upload_smu_firmware_image(smumgr); + if (result != 0) + return result; + + /* Clear status */ + cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, ixSMU_STATUS, 0); + + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0); + + /* De-assert reset */ + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMC_SYSCON_RESET_CNTL, rst_reg, 0); + + + SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, RCU_UC_EVENTS, INTERRUPTS_ENABLED, 1); + + + /* Call Test SMU message with 0x20000 offset to trigger SMU start */ + polaris10_send_msg_to_smc_offset(smumgr); + + /* Wait done bit to be set */ + /* Check pass/failed indicator */ + + SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, SMU_STATUS, SMU_DONE, 0); + + if (1 != SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMU_STATUS, SMU_PASS)) + PP_ASSERT_WITH_CODE(false, "SMU Firmware start failed!", return -1); + + cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, ixFIRMWARE_FLAGS, 0); + + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMC_SYSCON_RESET_CNTL, rst_reg, 1); + + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMC_SYSCON_RESET_CNTL, rst_reg, 0); + + /* Wait for firmware to initialize */ + SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1); + + return result; +} + +static int polaris10_start_smu_in_non_protection_mode(struct pp_smumgr *smumgr) +{ + int result = 0; + + /* wait for smc boot up */ + SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, RCU_UC_EVENTS, boot_seq_done, 0); + + /* Clear firmware interrupt enable flag */ + /* SMUM_WRITE_VFPF_INDIRECT_FIELD(pSmuMgr, SMC_IND, SMC_SYSCON_MISC_CNTL, pre_fetcher_en, 1); */ + cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, + ixFIRMWARE_FLAGS, 0); + + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMC_SYSCON_RESET_CNTL, + rst_reg, 1); + + result = polaris10_upload_smu_firmware_image(smumgr); + if (result != 0) + return result; + + /* Set smc instruct start point at 0x0 */ + polaris10_program_jump_on_start(smumgr); + + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMC_SYSCON_CLOCK_CNTL_0, ck_disable, 0); + + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMC_SYSCON_RESET_CNTL, rst_reg, 0); + + /* Wait for firmware to initialize */ + + SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, + FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1); + + return result; +} + +static int polaris10_start_smu(struct pp_smumgr *smumgr) +{ + int result = 0; + struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(smumgr->backend); + bool SMU_VFT_INTACT; + + /* Only start SMC if SMC RAM is not running */ + if (!polaris10_is_smc_ram_running(smumgr)) { + SMU_VFT_INTACT = false; + smu_data->protected_mode = (uint8_t) (SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMU_FIRMWARE, SMU_MODE)); + smu_data->security_hard_key = (uint8_t) (SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, SMU_FIRMWARE, SMU_SEL)); + + /* Check if SMU is running in protected mode */ + if (smu_data->protected_mode == 0) { + result = polaris10_start_smu_in_non_protection_mode(smumgr); + } else { + result = polaris10_start_smu_in_protection_mode(smumgr); + + /* If failed, try with different security Key. */ + if (result != 0) { + smu_data->security_hard_key ^= 1; + result = polaris10_start_smu_in_protection_mode(smumgr); + } + } + + if (result != 0) + PP_ASSERT_WITH_CODE(0, "Failed to load SMU ucode.", return result); + + polaris10_avfs_event_mgr(smumgr, true); + } else + SMU_VFT_INTACT = true; /*Driver went offline but SMU was still alive and contains the VFT table */ + + smu_data->post_initial_boot = true; + polaris10_avfs_event_mgr(smumgr, SMU_VFT_INTACT); + /* Setup SoftRegsStart here for register lookup in case DummyBackEnd is used and ProcessFirmwareHeader is not executed */ + polaris10_read_smc_sram_dword(smumgr, SMU7_FIRMWARE_HEADER_LOCATION + offsetof(SMU74_Firmware_Header, SoftRegisters), + &(smu_data->soft_regs_start), 0x40000); + + result = polaris10_request_smu_load_fw(smumgr); + + return result; +} + +static int polaris10_smu_init(struct pp_smumgr *smumgr) +{ + struct polaris10_smumgr *smu_data; + uint8_t *internal_buf; + uint64_t mc_addr = 0; + /* Allocate memory for backend private data */ + smu_data = (struct polaris10_smumgr *)(smumgr->backend); + smu_data->header_buffer.data_size = + ((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096; + smu_data->smu_buffer.data_size = 200*4096; + smu_data->avfs.avfs_btc_status = AVFS_BTC_NOTSUPPORTED; +/* Allocate FW image data structure and header buffer and + * send the header buffer address to SMU */ + smu_allocate_memory(smumgr->device, + smu_data->header_buffer.data_size, + CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB, + PAGE_SIZE, + &mc_addr, + &smu_data->header_buffer.kaddr, + &smu_data->header_buffer.handle); + + smu_data->header = smu_data->header_buffer.kaddr; + smu_data->header_buffer.mc_addr_high = smu_upper_32_bits(mc_addr); + smu_data->header_buffer.mc_addr_low = smu_lower_32_bits(mc_addr); + + PP_ASSERT_WITH_CODE((NULL != smu_data->header), + "Out of memory.", + kfree(smumgr->backend); + cgs_free_gpu_mem(smumgr->device, + (cgs_handle_t)smu_data->header_buffer.handle); + return -1); + +/* Allocate buffer for SMU internal buffer and send the address to SMU. + * Iceland SMU does not need internal buffer.*/ + smu_allocate_memory(smumgr->device, + smu_data->smu_buffer.data_size, + CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB, + PAGE_SIZE, + &mc_addr, + &smu_data->smu_buffer.kaddr, + &smu_data->smu_buffer.handle); + + internal_buf = smu_data->smu_buffer.kaddr; + smu_data->smu_buffer.mc_addr_high = smu_upper_32_bits(mc_addr); + smu_data->smu_buffer.mc_addr_low = smu_lower_32_bits(mc_addr); + + PP_ASSERT_WITH_CODE((NULL != internal_buf), + "Out of memory.", + kfree(smumgr->backend); + cgs_free_gpu_mem(smumgr->device, + (cgs_handle_t)smu_data->smu_buffer.handle); + return -1;); + + return 0; +} + +static const struct pp_smumgr_func ellsemere_smu_funcs = { + .smu_init = polaris10_smu_init, + .smu_fini = polaris10_smu_fini, + .start_smu = polaris10_start_smu, + .check_fw_load_finish = polaris10_check_fw_load_finish, + .request_smu_load_fw = polaris10_reload_firmware, + .request_smu_load_specific_fw = NULL, + .send_msg_to_smc = polaris10_send_msg_to_smc, + .send_msg_to_smc_with_parameter = polaris10_send_msg_to_smc_with_parameter, + .download_pptable_settings = NULL, + .upload_pptable_settings = NULL, +}; + +int polaris10_smum_init(struct pp_smumgr *smumgr) +{ + struct polaris10_smumgr *polaris10_smu = NULL; + + polaris10_smu = kzalloc(sizeof(struct polaris10_smumgr), GFP_KERNEL); + + if (polaris10_smu == NULL) + return -1; + + smumgr->backend = polaris10_smu; + smumgr->smumgr_funcs = &ellsemere_smu_funcs; + + return 0; +} |
