diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c | 1042 |
1 files changed, 1042 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c new file mode 100644 index 000000000..cdbb9f89b --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/smumgr/fiji_smumgr.c @@ -0,0 +1,1042 @@ +/* + * 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 "smu73.h" +#include "smu_ucode_xfer_vi.h" +#include "fiji_smumgr.h" +#include "fiji_ppsmc.h" +#include "smu73_discrete.h" +#include "ppatomctrl.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 "pp_debug.h" +#include "fiji_pwrvirus.h" + +#define AVFS_EN_MSB 1568 +#define AVFS_EN_LSB 1568 + +#define FIJI_SMC_SIZE 0x20000 + +struct SMU73_Discrete_GraphicsLevel avfs_graphics_level[8] = { + /* Min Sclk pcie DeepSleep Activity CgSpll CgSpll spllSpread SpllSpread CcPwr CcPwr Sclk Display Enabled Enabled Voltage Power */ + /* Voltage, Frequency, DpmLevel, DivId, Level, FuncCntl3, FuncCntl4, Spectrum, Spectrum2, DynRm, DynRm1 Did, Watermark, ForActivity, ForThrottle, UpHyst, DownHyst, DownHyst, Throttle */ + { 0x3c0fd047, 0x30750000, 0x00, 0x03, 0x1e00, 0x00200410, 0x87020000, 0x21680000, 0x0c000000, 0, 0, 0x16, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, + { 0xa00fd047, 0x409c0000, 0x01, 0x04, 0x1e00, 0x00800510, 0x87020000, 0x21680000, 0x11000000, 0, 0, 0x16, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, + { 0x0410d047, 0x50c30000, 0x01, 0x00, 0x1e00, 0x00600410, 0x87020000, 0x21680000, 0x0d000000, 0, 0, 0x0e, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, + { 0x6810d047, 0x60ea0000, 0x01, 0x00, 0x1e00, 0x00800410, 0x87020000, 0x21680000, 0x0e000000, 0, 0, 0x0c, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, + { 0xcc10d047, 0xe8fd0000, 0x01, 0x00, 0x1e00, 0x00e00410, 0x87020000, 0x21680000, 0x0f000000, 0, 0, 0x0c, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, + { 0x3011d047, 0x70110100, 0x01, 0x00, 0x1e00, 0x00400510, 0x87020000, 0x21680000, 0x10000000, 0, 0, 0x0c, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, + { 0x9411d047, 0xf8240100, 0x01, 0x00, 0x1e00, 0x00a00510, 0x87020000, 0x21680000, 0x11000000, 0, 0, 0x0c, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 }, + { 0xf811d047, 0x80380100, 0x01, 0x00, 0x1e00, 0x00000610, 0x87020000, 0x21680000, 0x12000000, 0, 0, 0x0c, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00 } +}; + +static enum cgs_ucode_id fiji_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_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; +} +/** +* Set the address for reading/writing the SMC SRAM space. +* @param smumgr the address of the powerplay hardware manager. +* @param smc_addr the address in the SMC RAM to access. +*/ +static int fiji_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 address is beyond the SMC RAM area.", return -EINVAL;); + + cgs_write_register(smumgr->device, mmSMC_IND_INDEX_0, smc_addr); + SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0); + + return 0; +} + +/** +* Copy bytes from an array into the SMC RAM space. +* +* @param smumgr the address of the powerplay SMU manager. +* @param smcStartAddress the start address in the SMC RAM to copy bytes to. +* @param src the byte array to copy the bytes from. +* @param byteCount the number of bytes to copy. +*/ +int fiji_copy_bytes_to_smc(struct pp_smumgr *smumgr, + uint32_t smcStartAddress, const uint8_t *src, + uint32_t byteCount, uint32_t limit) +{ + int result; + uint32_t data, originalData; + uint32_t addr, extraShift; + + PP_ASSERT_WITH_CODE((0 == (3 & smcStartAddress)), + "SMC address must be 4 byte aligned.", return -EINVAL;); + PP_ASSERT_WITH_CODE((limit > (smcStartAddress + byteCount)), + "SMC address is beyond the SMC RAM area.", return -EINVAL;); + + addr = smcStartAddress; + + while (byteCount >= 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 = fiji_set_smc_sram_address(smumgr, addr, limit); + if (result) + return result; + + cgs_write_register(smumgr->device, mmSMC_IND_DATA_0, data); + + src += 4; + byteCount -= 4; + addr += 4; + } + + if (byteCount) { + /* Now write the odd bytes left. + * Do a read modify write cycle. + */ + data = 0; + + result = fiji_set_smc_sram_address(smumgr, addr, limit); + if (result) + return result; + + originalData = cgs_read_register(smumgr->device, mmSMC_IND_DATA_0); + extraShift = 8 * (4 - byteCount); + + while (byteCount > 0) { + /* Bytes are written into the SMC addres + * space with the MSB first. + */ + data = (0x100 * data) + *src++; + byteCount--; + } + data <<= extraShift; + data |= (originalData & ~((~0UL) << extraShift)); + + result = fiji_set_smc_sram_address(smumgr, addr, limit); + if (!result) + return result; + + cgs_write_register(smumgr->device, mmSMC_IND_DATA_0, data); + } + return 0; +} + +int fiji_program_jump_on_start(struct pp_smumgr *smumgr) +{ + static unsigned char data[] = { 0xE0, 0x00, 0x80, 0x40 }; + + fiji_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 fiji_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 fiji_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg) +{ + if (!fiji_is_smc_ram_running(smumgr)) + return -1; + + if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP)) { + printk(KERN_ERR "Failed to send Previous Message."); + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + } + + cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg); + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + + 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 fiji_send_msg_to_smc_with_parameter(struct pp_smumgr *smumgr, + uint16_t msg, uint32_t parameter) +{ + if (!fiji_is_smc_ram_running(smumgr)) + return -1; + + if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP)) { + printk(KERN_ERR "Failed to send Previous Message."); + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + } + + cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, parameter); + cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg); + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + + return 0; +} + + +/** +* 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 fiji_send_msg_to_smc_with_parameter_without_waiting( + struct pp_smumgr *smumgr, uint16_t msg, uint32_t parameter) +{ + if (1 != SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP)) { + printk(KERN_ERR "Failed to send Previous Message."); + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + } + cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, parameter); + cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg); + + return 0; +} + +/** +* Uploads the SMU firmware from .hex file +* +* @param smumgr the address of the powerplay SMU manager. +* @return 0 or -1. +*/ + +static int fiji_upload_smu_firmware_image(struct pp_smumgr *smumgr) +{ + const uint8_t *src; + uint32_t byte_count; + uint32_t *data; + struct cgs_firmware_info info = {0}; + + cgs_get_firmware_info(smumgr->device, + fiji_convert_fw_type_to_cgs(UCODE_ID_SMU), &info); + + if (info.image_size & 3) { + printk(KERN_ERR "SMC ucode is not 4 bytes aligned\n"); + return -EINVAL; + } + + if (info.image_size > FIJI_SMC_SIZE) { + printk(KERN_ERR "SMC address is beyond the SMC RAM area\n"); + return -EINVAL; + } + + cgs_write_register(smumgr->device, mmSMC_IND_INDEX_0, 0x20000); + SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 1); + + byte_count = info.image_size; + src = (const uint8_t *)info.kptr; + + data = (uint32_t *)src; + for (; byte_count >= 4; data++, byte_count -= 4) + cgs_write_register(smumgr->device, mmSMC_IND_DATA_0, data[0]); + + SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_0, 0); + return 0; +} + +/** +* 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 smc_addr the address in the SMC RAM to access. +* @param value and output parameter for the data read from the SMC SRAM. +*/ +int fiji_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr, + uint32_t *value, uint32_t limit) +{ + int result = fiji_set_smc_sram_address(smumgr, smc_addr, limit); + + if (result) + return result; + + *value = cgs_read_register(smumgr->device, mmSMC_IND_DATA_0); + 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 fiji_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr, + uint32_t value, uint32_t limit) +{ + int result; + + result = fiji_set_smc_sram_address(smumgr, smc_addr, limit); + + if (result) + return result; + + cgs_write_register(smumgr->device, mmSMC_IND_DATA_0, value); + return 0; +} + +static uint32_t fiji_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: + result = UCODE_ID_CP_MEC_MASK | UCODE_ID_CP_MEC_JT1_MASK; + break; + case UCODE_ID_CP_MEC_JT2: + result = UCODE_ID_CP_MEC_MASK | UCODE_ID_CP_MEC_JT2_MASK; + break; + case UCODE_ID_RLC_G: + result = UCODE_ID_RLC_G_MASK; + break; + default: + printk(KERN_ERR "UCode type is out of range!"); + result = 0; + } + + return result; +} + +/* Populate one firmware image to the data structure */ +static int fiji_populate_single_firmware_entry(struct pp_smumgr *smumgr, + uint32_t fw_type, struct SMU_Entry *entry) +{ + int result; + struct cgs_firmware_info info = {0}; + + result = cgs_get_firmware_info( + smumgr->device, + fiji_convert_fw_type_to_cgs(fw_type), + &info); + + if (!result) { + entry->version = 0; + 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 result; +} + +static int fiji_request_smu_load_fw(struct pp_smumgr *smumgr) +{ + struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend); + uint32_t fw_to_load; + struct SMU_DRAMData_TOC *toc; + + if (priv->soft_regs_start) + cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, + priv->soft_regs_start + + offsetof(SMU73_SoftRegisters, UcodeLoadStatus), + 0x0); + + toc = (struct SMU_DRAMData_TOC *)priv->header; + toc->num_entries = 0; + toc->structure_version = 1; + + PP_ASSERT_WITH_CODE( + 0 == fiji_populate_single_firmware_entry(smumgr, + UCODE_ID_RLC_G, &toc->entry[toc->num_entries++]), + "Failed to Get Firmware Entry.\n" , return -1 ); + PP_ASSERT_WITH_CODE( + 0 == fiji_populate_single_firmware_entry(smumgr, + UCODE_ID_CP_CE, &toc->entry[toc->num_entries++]), + "Failed to Get Firmware Entry.\n" , return -1 ); + PP_ASSERT_WITH_CODE( + 0 == fiji_populate_single_firmware_entry(smumgr, + UCODE_ID_CP_PFP, &toc->entry[toc->num_entries++]), + "Failed to Get Firmware Entry.\n" , return -1 ); + PP_ASSERT_WITH_CODE( + 0 == fiji_populate_single_firmware_entry(smumgr, + UCODE_ID_CP_ME, &toc->entry[toc->num_entries++]), + "Failed to Get Firmware Entry.\n" , return -1 ); + PP_ASSERT_WITH_CODE( + 0 == fiji_populate_single_firmware_entry(smumgr, + UCODE_ID_CP_MEC, &toc->entry[toc->num_entries++]), + "Failed to Get Firmware Entry.\n" , return -1 ); + PP_ASSERT_WITH_CODE( + 0 == fiji_populate_single_firmware_entry(smumgr, + UCODE_ID_CP_MEC_JT1, &toc->entry[toc->num_entries++]), + "Failed to Get Firmware Entry.\n" , return -1 ); + PP_ASSERT_WITH_CODE( + 0 == fiji_populate_single_firmware_entry(smumgr, + UCODE_ID_CP_MEC_JT2, &toc->entry[toc->num_entries++]), + "Failed to Get Firmware Entry.\n" , return -1 ); + PP_ASSERT_WITH_CODE( + 0 == fiji_populate_single_firmware_entry(smumgr, + UCODE_ID_SDMA0, &toc->entry[toc->num_entries++]), + "Failed to Get Firmware Entry.\n" , return -1 ); + PP_ASSERT_WITH_CODE( + 0 == fiji_populate_single_firmware_entry(smumgr, + UCODE_ID_SDMA1, &toc->entry[toc->num_entries++]), + "Failed to Get Firmware Entry.\n" , return -1 ); + + fiji_send_msg_to_smc_with_parameter(smumgr, PPSMC_MSG_DRV_DRAM_ADDR_HI, + priv->header_buffer.mc_addr_high); + fiji_send_msg_to_smc_with_parameter(smumgr,PPSMC_MSG_DRV_DRAM_ADDR_LO, + priv->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 + + UCODE_ID_CP_MEC_JT1_MASK + + UCODE_ID_CP_MEC_JT2_MASK; + + if (fiji_send_msg_to_smc_with_parameter(smumgr, + PPSMC_MSG_LoadUcodes, fw_to_load)) + printk(KERN_ERR "Fail to Request SMU Load uCode"); + + return 0; +} + + +/* Check if the FW has been loaded, SMU will not return + * if loading has not finished. + */ +static int fiji_check_fw_load_finish(struct pp_smumgr *smumgr, + uint32_t fw_type) +{ + struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend); + uint32_t mask = fiji_get_mask_for_firmware_type(fw_type); + + /* Check SOFT_REGISTERS_TABLE_28.UcodeLoadStatus */ + if (smum_wait_on_indirect_register(smumgr, mmSMC_IND_INDEX, + priv->soft_regs_start + + offsetof(SMU73_SoftRegisters, UcodeLoadStatus), + mask, mask)) { + printk(KERN_ERR "check firmware loading failed\n"); + return -EINVAL; + } + return 0; +} + + +static int fiji_reload_firmware(struct pp_smumgr *smumgr) +{ + return smumgr->smumgr_funcs->start_smu(smumgr); +} + +static bool fiji_is_hw_virtualization_enabled(struct pp_smumgr *smumgr) +{ + uint32_t value; + + value = cgs_read_register(smumgr->device, mmBIF_IOV_FUNC_IDENTIFIER); + if (value & BIF_IOV_FUNC_IDENTIFIER__IOV_ENABLE_MASK) { + /* driver reads on SR-IOV enabled PF: 0x80000000 + * driver reads on SR-IOV enabled VF: 0x80000001 + * driver reads on SR-IOV disabled: 0x00000000 + */ + return true; + } + return false; +} + +static int fiji_request_smu_specific_fw_load(struct pp_smumgr *smumgr, uint32_t fw_type) +{ + if (fiji_is_hw_virtualization_enabled(smumgr)) { + uint32_t masks = fiji_get_mask_for_firmware_type(fw_type); + if (fiji_send_msg_to_smc_with_parameter_without_waiting(smumgr, + PPSMC_MSG_LoadUcodes, masks)) + printk(KERN_ERR "Fail to Request SMU Load uCode"); + } + /* For non-virtualization cases, + * SMU loads all FWs at once in fiji_request_smu_load_fw. + */ + return 0; +} + +static int fiji_start_smu_in_protection_mode(struct pp_smumgr *smumgr) +{ + int result = 0; + + /* Wait for smc boot up */ + /* SMUM_WAIT_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, + RCU_UC_EVENTS, boot_seq_done, 0); */ + + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMC_SYSCON_RESET_CNTL, rst_reg, 1); + + result = fiji_upload_smu_firmware_image(smumgr); + if (result) + 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); + + /* Wait for ROM firmware to initialize interrupt hendler */ + /*SMUM_WAIT_VFPF_INDIRECT_REGISTER(smumgr, SMC_IND, + SMC_INTR_CNTL_MASK_0, 0x10040, 0xFFFFFFFF); */ + + /* Set SMU Auto Start */ + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMU_INPUT_DATA, AUTO_START, 1); + + /* Clear firmware interrupt enable flag */ + cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, + ixFIRMWARE_FLAGS, 0); + + SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, RCU_UC_EVENTS, + INTERRUPTS_ENABLED, 1); + + 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); + + /* Wait for done bit to be set */ + SMUM_WAIT_VFPF_INDIRECT_FIELD_UNEQUAL(smumgr, SMC_IND, + SMU_STATUS, SMU_DONE, 0); + + /* Check pass/failed indicator */ + 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); + } + + /* Wait for firmware to initialize */ + SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, + FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1); + + return result; +} + +static int fiji_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 */ + cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, + ixFIRMWARE_FLAGS, 0); + + /* Assert reset */ + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMC_SYSCON_RESET_CNTL, rst_reg, 1); + + result = fiji_upload_smu_firmware_image(smumgr); + if (result) + return result; + + /* Set smc instruct start point at 0x0 */ + fiji_program_jump_on_start(smumgr); + + /* Enable clock */ + 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); + + /* Wait for firmware to initialize */ + SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, + FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1); + + return result; +} + +int fiji_setup_pwr_virus(struct pp_smumgr *smumgr) +{ + int i, result = -1; + uint32_t reg, data; + PWR_Command_Table *virus = PwrVirusTable; + struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend); + + priv->avfs.AvfsBtcStatus = AVFS_LOAD_VIRUS; + for (i = 0; (i < PWR_VIRUS_TABLE_SIZE); i++) { + switch (virus->command) { + case PwrCmdWrite: + reg = virus->reg; + data = virus->data; + cgs_write_register(smumgr->device, reg, data); + break; + case PwrCmdEnd: + priv->avfs.AvfsBtcStatus = AVFS_BTC_VIRUS_LOADED; + result = 0; + break; + default: + printk(KERN_ERR "Table Exit with Invalid Command!"); + priv->avfs.AvfsBtcStatus = AVFS_BTC_VIRUS_FAIL; + result = -1; + break; + } + virus++; + } + return result; +} + +static int fiji_start_avfs_btc(struct pp_smumgr *smumgr) +{ + int result = 0; + struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend); + + priv->avfs.AvfsBtcStatus = AVFS_BTC_STARTED; + if (priv->avfs.AvfsBtcParam) { + if (!fiji_send_msg_to_smc_with_parameter(smumgr, + PPSMC_MSG_PerformBtc, priv->avfs.AvfsBtcParam)) { + if (!fiji_send_msg_to_smc(smumgr, PPSMC_MSG_EnableAvfs)) { + priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_UNSAVED; + result = 0; + } else { + printk(KERN_ERR "[AVFS][fiji_start_avfs_btc] Attempt" + " to Enable AVFS Failed!"); + fiji_send_msg_to_smc(smumgr, PPSMC_MSG_DisableAvfs); + result = -1; + } + } else { + printk(KERN_ERR "[AVFS][fiji_start_avfs_btc] " + "PerformBTC SMU msg failed"); + result = -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); + /* clear reset */ + cgs_write_register(smumgr->device, mmGRBM_SOFT_RESET, 0); + + return result; +} + +int fiji_setup_pm_fuse_for_avfs(struct pp_smumgr *smumgr) +{ + int result = 0; + uint32_t table_start; + uint32_t charz_freq_addr, inversion_voltage_addr, charz_freq; + uint16_t inversion_voltage; + + charz_freq = 0x30750000; /* In 10KHz units 0x00007530 Actual value */ + inversion_voltage = 0x1A04; /* mV Q14.2 0x41A Actual value */ + + PP_ASSERT_WITH_CODE(0 == fiji_read_smc_sram_dword(smumgr, + SMU7_FIRMWARE_HEADER_LOCATION + offsetof(SMU73_Firmware_Header, + PmFuseTable), &table_start, 0x40000), + "[AVFS][Fiji_SetupGfxLvlStruct] SMU could not communicate " + "starting address of PmFuse structure", + return -1;); + + charz_freq_addr = table_start + + offsetof(struct SMU73_Discrete_PmFuses, PsmCharzFreq); + inversion_voltage_addr = table_start + + offsetof(struct SMU73_Discrete_PmFuses, InversionVoltage); + + result = fiji_copy_bytes_to_smc(smumgr, charz_freq_addr, + (uint8_t *)(&charz_freq), sizeof(charz_freq), 0x40000); + PP_ASSERT_WITH_CODE(0 == result, + "[AVFS][fiji_setup_pm_fuse_for_avfs] charz_freq could not " + "be populated.", return -1;); + + result = fiji_copy_bytes_to_smc(smumgr, inversion_voltage_addr, + (uint8_t *)(&inversion_voltage), sizeof(inversion_voltage), 0x40000); + PP_ASSERT_WITH_CODE(0 == result, "[AVFS][fiji_setup_pm_fuse_for_avfs] " + "charz_freq could not be populated.", return -1;); + + return result; +} + +int fiji_setup_graphics_level_structure(struct pp_smumgr *smumgr) +{ + int32_t vr_config; + uint32_t table_start; + uint32_t level_addr, vr_config_addr; + uint32_t level_size = sizeof(avfs_graphics_level); + + PP_ASSERT_WITH_CODE(0 == fiji_read_smc_sram_dword(smumgr, + SMU7_FIRMWARE_HEADER_LOCATION + + offsetof(SMU73_Firmware_Header, DpmTable), + &table_start, 0x40000), + "[AVFS][Fiji_SetupGfxLvlStruct] SMU could not " + "communicate starting address of DPM table", + return -1;); + + /* Default value for vr_config = + * VR_MERGED_WITH_VDDC + VR_STATIC_VOLTAGE(VDDCI) */ + vr_config = 0x01000500; /* Real value:0x50001 */ + + vr_config_addr = table_start + + offsetof(SMU73_Discrete_DpmTable, VRConfig); + + PP_ASSERT_WITH_CODE(0 == fiji_copy_bytes_to_smc(smumgr, vr_config_addr, + (uint8_t *)&vr_config, sizeof(int32_t), 0x40000), + "[AVFS][Fiji_SetupGfxLvlStruct] Problems copying " + "vr_config value over to SMC", + return -1;); + + level_addr = table_start + offsetof(SMU73_Discrete_DpmTable, GraphicsLevel); + + PP_ASSERT_WITH_CODE(0 == fiji_copy_bytes_to_smc(smumgr, level_addr, + (uint8_t *)(&avfs_graphics_level), level_size, 0x40000), + "[AVFS][Fiji_SetupGfxLvlStruct] Copying of DPM table failed!", + return -1;); + + return 0; +} + +/* Work in Progress */ +int fiji_restore_vft_table(struct pp_smumgr *smumgr) +{ + struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend); + + if (AVFS_BTC_COMPLETED_SAVED == priv->avfs.AvfsBtcStatus) { + priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_RESTORED; + return 0; + } else + return -EINVAL; +} + +/* Work in Progress */ +int fiji_save_vft_table(struct pp_smumgr *smumgr) +{ + struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend); + + if (AVFS_BTC_COMPLETED_SAVED == priv->avfs.AvfsBtcStatus) { + priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_RESTORED; + return 0; + } else + return -EINVAL; +} + +int fiji_avfs_event_mgr(struct pp_smumgr *smumgr, bool smu_started) +{ + struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend); + + switch (priv->avfs.AvfsBtcStatus) { + case AVFS_BTC_COMPLETED_SAVED: /*S3 State - Pre SMU Start */ + priv->avfs.AvfsBtcStatus = AVFS_BTC_RESTOREVFT_FAILED; + PP_ASSERT_WITH_CODE(0 == fiji_restore_vft_table(smumgr), + "[AVFS][fiji_avfs_event_mgr] Could not Copy Graphics " + "Level table over to SMU", + return -1;); + priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_RESTORED; + break; + case AVFS_BTC_COMPLETED_RESTORED: /*S3 State - Post SMU Start*/ + priv->avfs.AvfsBtcStatus = AVFS_BTC_SMUMSG_ERROR; + PP_ASSERT_WITH_CODE(0 == fiji_send_msg_to_smc(smumgr, + PPSMC_MSG_VftTableIsValid), + "[AVFS][fiji_avfs_event_mgr] SMU did not respond " + "correctly to VftTableIsValid Msg", + return -1;); + priv->avfs.AvfsBtcStatus = AVFS_BTC_SMUMSG_ERROR; + PP_ASSERT_WITH_CODE(0 == fiji_send_msg_to_smc(smumgr, + PPSMC_MSG_EnableAvfs), + "[AVFS][fiji_avfs_event_mgr] SMU did not respond " + "correctly to EnableAvfs Message Msg", + return -1;); + priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_SAVED; + break; + case AVFS_BTC_BOOT: /*Cold Boot State - Post SMU Start*/ + if (!smu_started) + break; + priv->avfs.AvfsBtcStatus = AVFS_BTC_FAILED; + PP_ASSERT_WITH_CODE(0 == fiji_setup_pm_fuse_for_avfs(smumgr), + "[AVFS][fiji_avfs_event_mgr] Failure at " + "fiji_setup_pm_fuse_for_avfs", + return -1;); + priv->avfs.AvfsBtcStatus = AVFS_BTC_DPMTABLESETUP_FAILED; + PP_ASSERT_WITH_CODE(0 == fiji_setup_graphics_level_structure(smumgr), + "[AVFS][fiji_avfs_event_mgr] Could not Copy Graphics Level" + " table over to SMU", + return -1;); + priv->avfs.AvfsBtcStatus = AVFS_BTC_VIRUS_FAIL; + PP_ASSERT_WITH_CODE(0 == fiji_setup_pwr_virus(smumgr), + "[AVFS][fiji_avfs_event_mgr] Could not setup " + "Pwr Virus for AVFS ", + return -1;); + priv->avfs.AvfsBtcStatus = AVFS_BTC_FAILED; + PP_ASSERT_WITH_CODE(0 == fiji_start_avfs_btc(smumgr), + "[AVFS][fiji_avfs_event_mgr] Failure at " + "fiji_start_avfs_btc. AVFS Disabled", + return -1;); + priv->avfs.AvfsBtcStatus = AVFS_BTC_SAVEVFT_FAILED; + PP_ASSERT_WITH_CODE(0 == fiji_save_vft_table(smumgr), + "[AVFS][fiji_avfs_event_mgr] Could not save VFT Table", + return -1;); + priv->avfs.AvfsBtcStatus = AVFS_BTC_COMPLETED_SAVED; + break; + case AVFS_BTC_DISABLED: /* Do nothing */ + break; + case AVFS_BTC_NOTSUPPORTED: /* Do nothing */ + break; + default: + printk(KERN_ERR "[AVFS] Something is broken. See log!"); + break; + } + return 0; +} + +static int fiji_start_smu(struct pp_smumgr *smumgr) +{ + int result = 0; + struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend); + + /* Only start SMC if SMC RAM is not running */ + if (!fiji_is_smc_ram_running(smumgr)) { + fiji_avfs_event_mgr(smumgr, false); + + /* Check if SMU is running in protected mode */ + if (0 == SMUM_READ_VFPF_INDIRECT_FIELD(smumgr->device, + CGS_IND_REG__SMC, + SMU_FIRMWARE, SMU_MODE)) { + result = fiji_start_smu_in_non_protection_mode(smumgr); + if (result) + return result; + } else { + result = fiji_start_smu_in_protection_mode(smumgr); + if (result) + return result; + } + fiji_avfs_event_mgr(smumgr, true); + } + + /* To initialize all clock gating before RLC loaded and running.*/ + cgs_set_clockgating_state(smumgr->device, + AMD_IP_BLOCK_TYPE_GFX, AMD_CG_STATE_GATE); + cgs_set_clockgating_state(smumgr->device, + AMD_IP_BLOCK_TYPE_GMC, AMD_CG_STATE_GATE); + cgs_set_clockgating_state(smumgr->device, + AMD_IP_BLOCK_TYPE_SDMA, AMD_CG_STATE_GATE); + cgs_set_clockgating_state(smumgr->device, + AMD_IP_BLOCK_TYPE_COMMON, AMD_CG_STATE_GATE); + + /* Setup SoftRegsStart here for register lookup in case + * DummyBackEnd is used and ProcessFirmwareHeader is not executed + */ + fiji_read_smc_sram_dword(smumgr, + SMU7_FIRMWARE_HEADER_LOCATION + + offsetof(SMU73_Firmware_Header, SoftRegisters), + &(priv->soft_regs_start), 0x40000); + + result = fiji_request_smu_load_fw(smumgr); + + return result; +} + +static bool fiji_is_hw_avfs_present(struct pp_smumgr *smumgr) +{ + + uint32_t efuse = 0; + uint32_t mask = (1 << ((AVFS_EN_MSB - AVFS_EN_LSB) + 1)) - 1; + + if (!atomctrl_read_efuse(smumgr->device, AVFS_EN_LSB, AVFS_EN_MSB, + mask, &efuse)) { + if (efuse) + return true; + } + return false; +} + +/** +* 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. +*/ +static int fiji_smu_init(struct pp_smumgr *smumgr) +{ + struct fiji_smumgr *priv = (struct fiji_smumgr *)(smumgr->backend); + uint64_t mc_addr; + + priv->header_buffer.data_size = + ((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096; + smu_allocate_memory(smumgr->device, + priv->header_buffer.data_size, + CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB, + PAGE_SIZE, + &mc_addr, + &priv->header_buffer.kaddr, + &priv->header_buffer.handle); + + priv->header = priv->header_buffer.kaddr; + priv->header_buffer.mc_addr_high = smu_upper_32_bits(mc_addr); + priv->header_buffer.mc_addr_low = smu_lower_32_bits(mc_addr); + + PP_ASSERT_WITH_CODE((NULL != priv->header), + "Out of memory.", + kfree(smumgr->backend); + cgs_free_gpu_mem(smumgr->device, + (cgs_handle_t)priv->header_buffer.handle); + return -1); + + priv->avfs.AvfsBtcStatus = AVFS_BTC_BOOT; + if (fiji_is_hw_avfs_present(smumgr)) + /* AVFS Parameter + * 0 - BTC DC disabled, BTC AC disabled + * 1 - BTC DC enabled, BTC AC disabled + * 2 - BTC DC disabled, BTC AC enabled + * 3 - BTC DC enabled, BTC AC enabled + * Default is 0 - BTC DC disabled, BTC AC disabled + */ + priv->avfs.AvfsBtcParam = 0; + else + priv->avfs.AvfsBtcStatus = AVFS_BTC_NOTSUPPORTED; + + priv->acpi_optimization = 1; + + return 0; +} + +static int fiji_smu_fini(struct pp_smumgr *smumgr) +{ + if (smumgr->backend) { + kfree(smumgr->backend); + smumgr->backend = NULL; + } + return 0; +} + +static const struct pp_smumgr_func fiji_smu_funcs = { + .smu_init = &fiji_smu_init, + .smu_fini = &fiji_smu_fini, + .start_smu = &fiji_start_smu, + .check_fw_load_finish = &fiji_check_fw_load_finish, + .request_smu_load_fw = &fiji_reload_firmware, + .request_smu_load_specific_fw = &fiji_request_smu_specific_fw_load, + .send_msg_to_smc = &fiji_send_msg_to_smc, + .send_msg_to_smc_with_parameter = &fiji_send_msg_to_smc_with_parameter, + .download_pptable_settings = NULL, + .upload_pptable_settings = NULL, +}; + +int fiji_smum_init(struct pp_smumgr *smumgr) +{ + struct fiji_smumgr *fiji_smu = NULL; + + fiji_smu = kzalloc(sizeof(struct fiji_smumgr), GFP_KERNEL); + + if (fiji_smu == NULL) + return -ENOMEM; + + smumgr->backend = fiji_smu; + smumgr->smumgr_funcs = &fiji_smu_funcs; + + return 0; +} |