--- /dev/null
+/*
+ * 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.*/
+ /*PECI_InitClockGating(peci);*/
+
+ /* 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 -1;
+
+ smumgr->backend = fiji_smu;
+ smumgr->smumgr_funcs = &fiji_smu_funcs;
+
+ return 0;
+}
projects / deliverable / linux.git / commitdiff
