diff options
author | Jammy Zhou <Jammy.Zhou@amd.com> | 2015-07-22 03:29:58 (GMT) |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2015-12-21 21:42:14 (GMT) |
commit | 1060029fae7c351351d7c2e9e345b6c57f515668 (patch) | |
tree | 33c1346483600ed5a11db4d175a509180237d989 /drivers | |
parent | 306d8db3e7b051814f4e022bb527391a1b425b47 (diff) | |
download | linux-1060029fae7c351351d7c2e9e345b6c57f515668.tar.xz |
drm/amd/powerplay: Add Tonga SMU support
The SMU manager handles firmware loading for other IP
blocks (GFX, SDMA, etc.). This implements it for Tonga.
v3: delete peci sub-module
v2: use cgs interface directly
Signed-off-by: Young Yang <Young.Yang@amd.com>
Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/pp_debug.h | 40 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/smumgr/Makefile | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c | 9 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c | 819 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.h | 53 |
5 files changed, 921 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/inc/pp_debug.h b/drivers/gpu/drm/amd/powerplay/inc/pp_debug.h new file mode 100644 index 0000000..65ef547 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/inc/pp_debug.h @@ -0,0 +1,40 @@ + +/* + * 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. + * + */ +#ifndef PP_DEBUG_H +#define PP_DEBUG_H + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/slab.h> + +#define PP_ASSERT_WITH_CODE(cond, msg, code) \ + do { \ + if (!(cond)) { \ + printk(msg); \ + code; \ + } \ + } while (0) + +#endif + diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/Makefile b/drivers/gpu/drm/amd/powerplay/smumgr/Makefile index 9219940..0e3348d 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/Makefile +++ b/drivers/gpu/drm/amd/powerplay/smumgr/Makefile @@ -2,7 +2,7 @@ # Makefile for the 'smu manager' sub-component of powerplay. # It provides the smu management services for the driver. -SMU_MGR = smumgr.o cz_smumgr.o +SMU_MGR = smumgr.o cz_smumgr.o tonga_smumgr.o AMD_PP_SMUMGR = $(addprefix $(AMD_PP_PATH)/smumgr/,$(SMU_MGR)) diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c index 9ff5d33..a386ca8 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c +++ b/drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c @@ -28,6 +28,7 @@ #include "cgs_common.h" #include "linux/delay.h" #include "cz_smumgr.h" +#include "tonga_smumgr.h" int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle) { @@ -53,7 +54,13 @@ int smum_init(struct amd_pp_init *pp_init, struct pp_instance *handle) cz_smum_init(smumgr); break; case AMD_FAMILY_VI: - /* TODO */ + switch (smumgr->chip_id) { + case CHIP_TONGA: + tonga_smum_init(smumgr); + break; + default: + return -EINVAL; + } break; default: kfree(smumgr); diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c new file mode 100644 index 0000000..62ff760 --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.c @@ -0,0 +1,819 @@ +/* + * 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 <linux/types.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/gfp.h> + +#include "smumgr.h" +#include "tonga_smumgr.h" +#include "pp_debug.h" +#include "smu_ucode_xfer_vi.h" +#include "tonga_ppsmc.h" +#include "smu/smu_7_1_2_d.h" +#include "smu/smu_7_1_2_sh_mask.h" +#include "cgs_common.h" + +#define TONGA_SMC_SIZE 0x20000 +#define BUFFER_SIZE 80000 +#define MAX_STRING_SIZE 15 +#define BUFFER_SIZETWO 131072 /*128 *1024*/ + +/** +* 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 tonga_set_smc_sram_address(struct pp_smumgr *smumgr, + uint32_t smcAddress, uint32_t limit) +{ + if (smumgr == NULL || smumgr->device == NULL) + return -EINVAL; + PP_ASSERT_WITH_CODE((0 == (3 & smcAddress)), + "SMC address must be 4 byte aligned.", + return -1;); + + PP_ASSERT_WITH_CODE((limit > (smcAddress + 3)), + "SMC address is beyond the SMC RAM area.", + return -1;); + + cgs_write_register(smumgr->device, mmSMC_IND_INDEX_0, smcAddress); + SMUM_WRITE_FIELD(smumgr->device, SMC_IND_ACCESS_CNTL, AUTO_INCREMENT_IND_11, 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 tonga_copy_bytes_to_smc(struct pp_smumgr *smumgr, + uint32_t smcStartAddress, const uint8_t *src, + uint32_t byteCount, uint32_t limit) +{ + uint32_t addr; + uint32_t data, orig_data; + int result = 0; + uint32_t extra_shift; + + if (smumgr == NULL || smumgr->device == NULL) + return -EINVAL; + PP_ASSERT_WITH_CODE((0 == (3 & smcStartAddress)), + "SMC address must be 4 byte aligned.", + return 0;); + + PP_ASSERT_WITH_CODE((limit > (smcStartAddress + byteCount)), + "SMC address is beyond the SMC RAM area.", + return 0;); + + addr = smcStartAddress; + + while (byteCount >= 4) { + /* + * Bytes are written into the + * SMC address space with the MSB first + */ + data = (src[0] << 24) + (src[1] << 16) + (src[2] << 8) + src[3]; + + result = tonga_set_smc_sram_address(smumgr, addr, limit); + + if (result) + goto out; + + cgs_write_register(smumgr->device, mmSMC_IND_DATA_0, data); + + src += 4; + byteCount -= 4; + addr += 4; + } + + if (0 != byteCount) { + /* Now write odd bytes left, do a read modify write cycle */ + data = 0; + + result = tonga_set_smc_sram_address(smumgr, addr, limit); + if (result) + goto out; + + orig_data = cgs_read_register(smumgr->device, + mmSMC_IND_DATA_0); + extra_shift = 8 * (4 - byteCount); + + while (byteCount > 0) { + data = (data << 8) + *src++; + byteCount--; + } + + data <<= extra_shift; + data |= (orig_data & ~((~0UL) << extra_shift)); + + result = tonga_set_smc_sram_address(smumgr, addr, limit); + if (result) + goto out; + + cgs_write_register(smumgr->device, mmSMC_IND_DATA_0, data); + } + +out: + return result; +} + + +int tonga_program_jump_on_start(struct pp_smumgr *smumgr) +{ + static unsigned char pData[] = { 0xE0, 0x00, 0x80, 0x40 }; + + tonga_copy_bytes_to_smc(smumgr, 0x0, pData, 4, sizeof(pData)+1); + + return 0; +} + +/** +* Return if the SMC is currently running. +* +* @param smumgr the address of the powerplay hardware manager. +*/ +static int tonga_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))); +} + +static int tonga_send_msg_to_smc_offset(struct pp_smumgr *smumgr) +{ + if (smumgr == NULL || smumgr->device == NULL) + return -EINVAL; + + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + + 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); + + return 0; +} + +/** +* 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. +*/ +static int tonga_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg) +{ + if (smumgr == NULL || smumgr->device == NULL) + return -EINVAL; + + if (!tonga_is_smc_ram_running(smumgr)) + return -1; + + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + PP_ASSERT_WITH_CODE( + 1 == SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP), + "Failed to send Previous Message.", + return 1); + + cgs_write_register(smumgr->device, mmSMC_MESSAGE_0, msg); + + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + PP_ASSERT_WITH_CODE( + 1 == SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP), + "Failed to send Message.", + return 1); + + 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 The response that came from the SMC. +*/ +static int tonga_send_msg_to_smc_without_waiting + (struct pp_smumgr *smumgr, uint16_t msg) +{ + if (smumgr == NULL || smumgr->device == NULL) + return -EINVAL; + + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + PP_ASSERT_WITH_CODE( + 1 == SMUM_READ_FIELD(smumgr->device, SMC_RESP_0, SMC_RESP), + "Failed to send Previous Message.", + return 0); + 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. +*/ +static int tonga_send_msg_to_smc_with_parameter(struct pp_smumgr *smumgr, + uint16_t msg, uint32_t parameter) +{ + if (smumgr == NULL || smumgr->device == NULL) + return -EINVAL; + + if (!tonga_is_smc_ram_running(smumgr)) + return PPSMC_Result_Failed; + + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, parameter); + + return tonga_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. +*/ +static int tonga_send_msg_to_smc_with_parameter_without_waiting( + struct pp_smumgr *smumgr, + uint16_t msg, uint32_t parameter) +{ + if (smumgr == NULL || smumgr->device == NULL) + return -EINVAL; + + SMUM_WAIT_FIELD_UNEQUAL(smumgr, SMC_RESP_0, SMC_RESP, 0); + + cgs_write_register(smumgr->device, mmSMC_MSG_ARG_0, parameter); + + return tonga_send_msg_to_smc_without_waiting(smumgr, msg); +} + +/* + * 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 tonga_read_smc_sram_dword(struct pp_smumgr *smumgr, + uint32_t smcAddress, uint32_t *value, + uint32_t limit) +{ + int result; + + result = tonga_set_smc_sram_address(smumgr, smcAddress, limit); + + if (0 != 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 smcAddress the address in the SMC RAM to access. + * @param value to write to the SMC SRAM. + */ +int tonga_write_smc_sram_dword(struct pp_smumgr *smumgr, + uint32_t smcAddress, uint32_t value, + uint32_t limit) +{ + int result; + + result = tonga_set_smc_sram_address(smumgr, smcAddress, limit); + + if (0 != result) + return result; + + cgs_write_register(smumgr->device, mmSMC_IND_DATA_0, value); + + return 0; +} + +static int tonga_smu_fini(struct pp_smumgr *smumgr) +{ + if (smumgr->backend != NULL) { + kfree(smumgr->backend); + smumgr->backend = NULL; + } + return 0; +} + +static enum cgs_ucode_id tonga_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; +} + +/** + * Convert the PPIRI firmware type to SMU type mask. + * For MEC, we need to check all MEC related type +*/ +static uint16_t tonga_get_mask_for_firmware_type(uint16_t firmwareType) +{ + uint16_t result = 0; + + switch (firmwareType) { + 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: + 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: + break; + } + + return result; +} + +/** + * Check if the FW has been loaded, + * SMU will not return if loading has not finished. +*/ +static int tonga_check_fw_load_finish(struct pp_smumgr *smumgr, uint32_t fwType) +{ + uint16_t fwMask = tonga_get_mask_for_firmware_type(fwType); + + if (0 != SMUM_WAIT_VFPF_INDIRECT_REGISTER(smumgr, SMC_IND, + SOFT_REGISTERS_TABLE_28, fwMask, fwMask)) { + printk(KERN_ERR "[ powerplay ] check firmware loading failed\n"); + return -EINVAL; + } + + return 0; +} + +/* Populate one firmware image to the data structure */ +static int tonga_populate_single_firmware_entry(struct pp_smumgr *smumgr, + uint16_t firmware_type, + struct SMU_Entry *pentry) +{ + int result; + struct cgs_firmware_info info = {0}; + + result = cgs_get_firmware_info( + smumgr->device, + tonga_convert_fw_type_to_cgs(firmware_type), + &info); + + if (result == 0) { + pentry->version = 0; + pentry->id = (uint16_t)firmware_type; + pentry->image_addr_high = smu_upper_32_bits(info.mc_addr); + pentry->image_addr_low = smu_lower_32_bits(info.mc_addr); + pentry->meta_data_addr_high = 0; + pentry->meta_data_addr_low = 0; + pentry->data_size_byte = info.image_size; + pentry->num_register_entries = 0; + + if (firmware_type == UCODE_ID_RLC_G) + pentry->flags = 1; + else + pentry->flags = 0; + } else { + return result; + } + + return result; +} + +static int tonga_request_smu_reload_fw(struct pp_smumgr *smumgr) +{ + struct tonga_smumgr *tonga_smu = + (struct tonga_smumgr *)(smumgr->backend); + uint16_t fw_to_load; + int result = 0; + struct SMU_DRAMData_TOC *toc; + /** + * First time this gets called during SmuMgr init, + * we haven't processed SMU header file yet, + * so Soft Register Start offset is unknown. + * However, for this case, UcodeLoadStatus is already 0, + * so we can skip this if the Soft Registers Start offset is 0. + */ + cgs_write_ind_register(smumgr->device, + CGS_IND_REG__SMC, ixSOFT_REGISTERS_TABLE_28, 0); + + tonga_send_msg_to_smc_with_parameter(smumgr, + PPSMC_MSG_SMU_DRAM_ADDR_HI, + tonga_smu->smu_buffer.mc_addr_high); + tonga_send_msg_to_smc_with_parameter(smumgr, + PPSMC_MSG_SMU_DRAM_ADDR_LO, + tonga_smu->smu_buffer.mc_addr_low); + + toc = (struct SMU_DRAMData_TOC *)tonga_smu->pHeader; + toc->num_entries = 0; + toc->structure_version = 1; + + PP_ASSERT_WITH_CODE( + 0 == tonga_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 == tonga_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 == tonga_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 == tonga_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 == tonga_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 == tonga_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 == tonga_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 == tonga_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 == tonga_populate_single_firmware_entry + (smumgr, UCODE_ID_SDMA1, &toc->entry[toc->num_entries++]), + "Failed to Get Firmware Entry.\n", return -1); + + tonga_send_msg_to_smc_with_parameter(smumgr, + PPSMC_MSG_DRV_DRAM_ADDR_HI, + tonga_smu->header_buffer.mc_addr_high); + tonga_send_msg_to_smc_with_parameter(smumgr, + PPSMC_MSG_DRV_DRAM_ADDR_LO, + tonga_smu->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; + + PP_ASSERT_WITH_CODE( + 0 == tonga_send_msg_to_smc_with_parameter_without_waiting( + smumgr, PPSMC_MSG_LoadUcodes, fw_to_load), + "Fail to Request SMU Load uCode", return 0); + + return result; +} + +static int tonga_request_smu_load_specific_fw(struct pp_smumgr *smumgr, + uint32_t firmwareType) +{ + 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 tonga_smu_upload_firmware_image(struct pp_smumgr *smumgr) +{ + const uint8_t *src; + uint32_t byte_count; + uint32_t *data; + struct cgs_firmware_info info = {0}; + + if (smumgr == NULL || smumgr->device == NULL) + return -EINVAL; + + cgs_get_firmware_info(smumgr->device, + tonga_convert_fw_type_to_cgs(UCODE_ID_SMU), &info); + + if (info.image_size & 3) { + printk(KERN_ERR "[ powerplay ] SMC ucode is not 4 bytes aligned\n"); + return -EINVAL; + } + + if (info.image_size > TONGA_SMC_SIZE) { + printk(KERN_ERR "[ powerplay ] 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; +} + +static int tonga_start_in_protection_mode(struct pp_smumgr *smumgr) +{ + int result; + + /* Assert reset */ + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMC_SYSCON_RESET_CNTL, rst_reg, 1); + + result = tonga_smu_upload_firmware_image(smumgr); + if (result) + return result; + + /* Clear status */ + cgs_write_ind_register(smumgr->device, CGS_IND_REG__SMC, + ixSMU_STATUS, 0); + + /* 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); + + /* 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); + + /** + * Call Test SMU message with 0x20000 offset to trigger SMU start + */ + tonga_send_msg_to_smc_offset(smumgr); + + /* 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)) { + printk(KERN_ERR "[ powerplay ] SMU Firmware start failed\n"); + return -EINVAL; + } + + /* Wait for firmware to initialize */ + SMUM_WAIT_VFPF_INDIRECT_FIELD(smumgr, SMC_IND, + FIRMWARE_FLAGS, INTERRUPTS_ENABLED, 1); + + return 0; +} + + +static int tonga_start_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); + + + SMUM_WRITE_VFPF_INDIRECT_FIELD(smumgr->device, CGS_IND_REG__SMC, + SMC_SYSCON_RESET_CNTL, rst_reg, 1); + + result = tonga_smu_upload_firmware_image(smumgr); + + if (result != 0) + return result; + + /* Set smc instruct start point at 0x0 */ + tonga_program_jump_on_start(smumgr); + + + 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; +} + +static int tonga_start_smu(struct pp_smumgr *smumgr) +{ + int result; + + /* Only start SMC if SMC RAM is not running */ + if (!tonga_is_smc_ram_running(smumgr)) { + /*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 = tonga_start_in_non_protection_mode(smumgr); + if (result) + return result; + } else { + result = tonga_start_in_protection_mode(smumgr); + if (result) + return result; + } + } + + result = tonga_request_smu_reload_fw(smumgr); + + return result; +} + +/** + * 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 smcAddress the address in the SMC RAM to access. + * @param value to write to the SMC SRAM. + */ +static int tonga_smu_init(struct pp_smumgr *smumgr) +{ + struct tonga_smumgr *tonga_smu; + uint8_t *internal_buf; + uint64_t mc_addr = 0; + /* Allocate memory for backend private data */ + tonga_smu = (struct tonga_smumgr *)(smumgr->backend); + tonga_smu->header_buffer.data_size = + ((sizeof(struct SMU_DRAMData_TOC) / 4096) + 1) * 4096; + tonga_smu->smu_buffer.data_size = 200*4096; + + smu_allocate_memory(smumgr->device, + tonga_smu->header_buffer.data_size, + CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB, + PAGE_SIZE, + &mc_addr, + &tonga_smu->header_buffer.kaddr, + &tonga_smu->header_buffer.handle); + + tonga_smu->pHeader = tonga_smu->header_buffer.kaddr; + tonga_smu->header_buffer.mc_addr_high = smu_upper_32_bits(mc_addr); + tonga_smu->header_buffer.mc_addr_low = smu_lower_32_bits(mc_addr); + + PP_ASSERT_WITH_CODE((NULL != tonga_smu->pHeader), + "Out of memory.", + kfree(smumgr->backend); + cgs_free_gpu_mem(smumgr->device, + (cgs_handle_t)tonga_smu->header_buffer.handle); + return -1); + + smu_allocate_memory(smumgr->device, + tonga_smu->smu_buffer.data_size, + CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB, + PAGE_SIZE, + &mc_addr, + &tonga_smu->smu_buffer.kaddr, + &tonga_smu->smu_buffer.handle); + + internal_buf = tonga_smu->smu_buffer.kaddr; + tonga_smu->smu_buffer.mc_addr_high = smu_upper_32_bits(mc_addr); + tonga_smu->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)tonga_smu->smu_buffer.handle); + return -1;); + + return 0; +} + +static const struct pp_smumgr_func tonga_smu_funcs = { + .smu_init = &tonga_smu_init, + .smu_fini = &tonga_smu_fini, + .start_smu = &tonga_start_smu, + .check_fw_load_finish = &tonga_check_fw_load_finish, + .request_smu_load_fw = &tonga_request_smu_reload_fw, + .request_smu_load_specific_fw = &tonga_request_smu_load_specific_fw, + .send_msg_to_smc = &tonga_send_msg_to_smc, + .send_msg_to_smc_with_parameter = &tonga_send_msg_to_smc_with_parameter, + .download_pptable_settings = NULL, + .upload_pptable_settings = NULL, +}; + +int tonga_smum_init(struct pp_smumgr *smumgr) +{ + struct tonga_smumgr *tonga_smu = NULL; + + tonga_smu = kzalloc(sizeof(struct tonga_smumgr), GFP_KERNEL); + + if (tonga_smu == NULL) + return -1; + + smumgr->backend = tonga_smu; + smumgr->smumgr_funcs = &tonga_smu_funcs; + + return 0; +} diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.h b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.h new file mode 100644 index 0000000..33c788d --- /dev/null +++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.h @@ -0,0 +1,53 @@ +/* + * 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. + * + */ + +#ifndef _TONGA_SMUMGR_H_ +#define _TONGA_SMUMGR_H_ + +struct tonga_buffer_entry { + uint32_t data_size; + uint32_t mc_addr_low; + uint32_t mc_addr_high; + void *kaddr; + unsigned long handle; +}; + +struct tonga_smumgr { + uint8_t *pHeader; + uint8_t *pMecImage; + uint32_t ulSoftRegsStart; + + struct tonga_buffer_entry header_buffer; + struct tonga_buffer_entry smu_buffer; +}; + +extern int tonga_smum_init(struct pp_smumgr *smumgr); +extern int tonga_copy_bytes_to_smc(struct pp_smumgr *smumgr, + uint32_t smcStartAddress, const uint8_t *src, + uint32_t byteCount, uint32_t limit); +extern int tonga_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smcAddress, + uint32_t *value, uint32_t limit); +extern int tonga_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smcAddress, + uint32_t value, uint32_t limit); + +#endif |