--- /dev/null
+/*
+ * Copyright 2017 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 RAVEN_PP_SMC_H
+#define RAVEN_PP_SMC_H
+
+#pragma pack(push, 1)
+
+#define PPSMC_Result_OK 0x1
+#define PPSMC_Result_Failed 0xFF
+#define PPSMC_Result_UnknownCmd 0xFE
+#define PPSMC_Result_CmdRejectedPrereq 0xFD
+#define PPSMC_Result_CmdRejectedBusy 0xFC
+
+#define PPSMC_MSG_TestMessage 0x1
+#define PPSMC_MSG_GetSmuVersion 0x2
+#define PPSMC_MSG_GetDriverIfVersion 0x3
+#define PPSMC_MSG_EnableGfxOff 0x7
+#define PPSMC_MSG_DisableGfxOff 0x8
+#define PPSMC_MSG_PowerDownIspByTile 0x9
+#define PPSMC_MSG_PowerUpIspByTile 0xA
+#define PPSMC_MSG_PowerDownVcn 0xB
+#define PPSMC_MSG_PowerUpVcn 0xC
+#define PPSMC_MSG_PowerDownSdma 0xD
+#define PPSMC_MSG_PowerUpSdma 0xE
+#define PPSMC_MSG_SetHardMinIspclkByFreq 0xF
+#define PPSMC_MSG_SetHardMinVcn 0x10
+#define PPSMC_MSG_SetMinDisplayClock 0x11
+#define PPSMC_MSG_SetHardMinFclkByFreq 0x12
+#define PPSMC_MSG_SetAllowFclkSwitch 0x13
+#define PPSMC_MSG_SetGfxMinActiveFreq 0x14
+#define PPSMC_MSG_ActiveProcessNotify 0x15
+#define PPSMC_MSG_SetCustomPolicy 0x16
+#define PPSMC_MSG_SetVideoFps 0x17
+#define PPSMC_MSG_SetDisplayCount 0x18
+#define PPSMC_MSG_QueryPowerLimit 0x19
+#define PPSMC_MSG_SetDriverDramAddrHigh 0x1A
+#define PPSMC_MSG_SetDriverDramAddrLow 0x1B
+#define PPSMC_MSG_TransferTableSmu2Dram 0x1C
+#define PPSMC_MSG_TransferTableDram2Smu 0x1D
+#define PPSMC_MSG_ControlGfxRM 0x1E
+#define PPSMC_MSG_SetGfxclkOverdriveByFreqVid 0x1F
+#define PPSMC_MSG_SetHardMinDcefclkByFreq 0x20
+#define PPSMC_MSG_SetHardMinSocclkByFreq 0x21
+#define PPSMC_MSG_SetMinVddcrSocVoltage 0x22
+
+
+#define PPSMC_Message_Count 0x23
+
+typedef uint16_t PPSMC_Result;
+typedef int PPSMC_Msg;
+
+
+#pragma pack(pop)
+
+#endif
--- /dev/null
+/*
+ * Copyright 2016 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "smumgr.h"
+#include "rv_inc.h"
+#include "pp_soc15.h"
+#include "rv_smumgr.h"
+#include "ppatomctrl.h"
+#include "rv_ppsmc.h"
+#include "smu10_driver_if.h"
+#include "smu10.h"
+#include "ppatomctrl.h"
+#include "pp_debug.h"
+#include "smu_ucode_xfer_vi.h"
+#include "smu7_smumgr.h"
+
+#define VOLTAGE_SCALE 4
+
+#define BUFFER_SIZE 80000
+#define MAX_STRING_SIZE 15
+#define BUFFER_SIZETWO 131072
+
+#define MP0_Public 0x03800000
+#define MP0_SRAM 0x03900000
+#define MP1_Public 0x03b00000
+#define MP1_SRAM 0x03c00004
+
+#define smnMP1_FIRMWARE_FLAGS 0x3010028
+
+
+bool rv_is_smc_ram_running(struct pp_smumgr *smumgr)
+{
+ uint32_t mp1_fw_flags, reg;
+
+ reg = soc15_get_register_offset(NBIF_HWID, 0,
+ mmPCIE_INDEX2_BASE_IDX, mmPCIE_INDEX2);
+
+ cgs_write_register(smumgr->device, reg,
+ (MP1_Public | (smnMP1_FIRMWARE_FLAGS & 0xffffffff)));
+
+ reg = soc15_get_register_offset(NBIF_HWID, 0,
+ mmPCIE_DATA2_BASE_IDX, mmPCIE_DATA2);
+
+ mp1_fw_flags = cgs_read_register(smumgr->device, reg);
+
+ if (mp1_fw_flags & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK)
+ return true;
+
+ return false;
+}
+
+static uint32_t rv_wait_for_response(struct pp_smumgr *smumgr)
+{
+ uint32_t reg;
+
+ if (!rv_is_smc_ram_running(smumgr))
+ return -EINVAL;
+
+ reg = soc15_get_register_offset(MP1_HWID, 0,
+ mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
+
+ smum_wait_for_register_unequal(smumgr, reg,
+ 0, MP1_C2PMSG_90__CONTENT_MASK);
+
+ return cgs_read_register(smumgr->device, reg);
+}
+
+int rv_send_msg_to_smc_without_waiting(struct pp_smumgr *smumgr,
+ uint16_t msg)
+{
+ uint32_t reg;
+
+ if (!rv_is_smc_ram_running(smumgr))
+ return -EINVAL;
+
+ reg = soc15_get_register_offset(MP1_HWID, 0,
+ mmMP1_SMN_C2PMSG_66_BASE_IDX, mmMP1_SMN_C2PMSG_66);
+ cgs_write_register(smumgr->device, reg, msg);
+
+ return 0;
+}
+
+int rv_read_arg_from_smc(struct pp_smumgr *smumgr, uint32_t *arg)
+{
+ uint32_t reg;
+
+ reg = soc15_get_register_offset(MP1_HWID, 0,
+ mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);
+
+ *arg = cgs_read_register(smumgr->device, reg);
+
+ return 0;
+}
+
+int rv_send_msg_to_smc(struct pp_smumgr *smumgr, uint16_t msg)
+{
+ uint32_t reg;
+
+ rv_wait_for_response(smumgr);
+
+ reg = soc15_get_register_offset(MP1_HWID, 0,
+ mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
+ cgs_write_register(smumgr->device, reg, 0);
+
+ rv_send_msg_to_smc_without_waiting(smumgr, msg);
+
+ PP_ASSERT_WITH_CODE(rv_wait_for_response(smumgr) == 1,
+ "Failed to send Message.",
+ return -EINVAL);
+
+ return 0;
+}
+
+
+int rv_send_msg_to_smc_with_parameter(struct pp_smumgr *smumgr,
+ uint16_t msg, uint32_t parameter)
+{
+ uint32_t reg;
+
+ rv_wait_for_response(smumgr);
+
+ reg = soc15_get_register_offset(MP1_HWID, 0,
+ mmMP1_SMN_C2PMSG_90_BASE_IDX, mmMP1_SMN_C2PMSG_90);
+ cgs_write_register(smumgr->device, reg, 0);
+
+ reg = soc15_get_register_offset(MP1_HWID, 0,
+ mmMP1_SMN_C2PMSG_82_BASE_IDX, mmMP1_SMN_C2PMSG_82);
+ cgs_write_register(smumgr->device, reg, parameter);
+
+ rv_send_msg_to_smc_without_waiting(smumgr, msg);
+
+ PP_ASSERT_WITH_CODE(rv_wait_for_response(smumgr) == 1,
+ "Failed to send Message.",
+ return -EINVAL);
+
+ return 0;
+}
+
+int rv_copy_table_from_smc(struct pp_smumgr *smumgr,
+ uint8_t *table, int16_t table_id)
+{
+ struct rv_smumgr *priv =
+ (struct rv_smumgr *)(smumgr->backend);
+
+ PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
+ "Invalid SMU Table ID!", return -EINVAL;);
+ PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
+ "Invalid SMU Table version!", return -EINVAL;);
+ PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
+ "Invalid SMU Table Length!", return -EINVAL;);
+ PP_ASSERT_WITH_CODE(rv_send_msg_to_smc_with_parameter(smumgr,
+ PPSMC_MSG_SetDriverDramAddrHigh,
+ priv->smu_tables.entry[table_id].table_addr_high) == 0,
+ "[CopyTableFromSMC] Attempt to Set Dram Addr High Failed!", return -EINVAL;);
+ PP_ASSERT_WITH_CODE(rv_send_msg_to_smc_with_parameter(smumgr,
+ PPSMC_MSG_SetDriverDramAddrLow,
+ priv->smu_tables.entry[table_id].table_addr_low) == 0,
+ "[CopyTableFromSMC] Attempt to Set Dram Addr Low Failed!",
+ return -EINVAL;);
+ PP_ASSERT_WITH_CODE(rv_send_msg_to_smc_with_parameter(smumgr,
+ PPSMC_MSG_TransferTableSmu2Dram,
+ priv->smu_tables.entry[table_id].table_id) == 0,
+ "[CopyTableFromSMC] Attempt to Transfer Table From SMU Failed!",
+ return -EINVAL;);
+
+ memcpy(table, priv->smu_tables.entry[table_id].table,
+ priv->smu_tables.entry[table_id].size);
+
+ return 0;
+}
+
+int rv_copy_table_to_smc(struct pp_smumgr *smumgr,
+ uint8_t *table, int16_t table_id)
+{
+ struct rv_smumgr *priv =
+ (struct rv_smumgr *)(smumgr->backend);
+
+ PP_ASSERT_WITH_CODE(table_id < MAX_SMU_TABLE,
+ "Invalid SMU Table ID!", return -EINVAL;);
+ PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].version != 0,
+ "Invalid SMU Table version!", return -EINVAL;);
+ PP_ASSERT_WITH_CODE(priv->smu_tables.entry[table_id].size != 0,
+ "Invalid SMU Table Length!", return -EINVAL;);
+
+ memcpy(priv->smu_tables.entry[table_id].table, table,
+ priv->smu_tables.entry[table_id].size);
+
+ PP_ASSERT_WITH_CODE(rv_send_msg_to_smc_with_parameter(smumgr,
+ PPSMC_MSG_SetDriverDramAddrHigh,
+ priv->smu_tables.entry[table_id].table_addr_high) == 0,
+ "[CopyTableToSMC] Attempt to Set Dram Addr High Failed!",
+ return -EINVAL;);
+ PP_ASSERT_WITH_CODE(rv_send_msg_to_smc_with_parameter(smumgr,
+ PPSMC_MSG_SetDriverDramAddrLow,
+ priv->smu_tables.entry[table_id].table_addr_low) == 0,
+ "[CopyTableToSMC] Attempt to Set Dram Addr Low Failed!",
+ return -EINVAL;);
+ PP_ASSERT_WITH_CODE(rv_send_msg_to_smc_with_parameter(smumgr,
+ PPSMC_MSG_TransferTableDram2Smu,
+ priv->smu_tables.entry[table_id].table_id) == 0,
+ "[CopyTableToSMC] Attempt to Transfer Table To SMU Failed!",
+ return -EINVAL;);
+
+ return 0;
+}
+
+static int rv_verify_smc_interface(struct pp_smumgr *smumgr)
+{
+ uint32_t smc_driver_if_version;
+
+ PP_ASSERT_WITH_CODE(!rv_send_msg_to_smc(smumgr,
+ PPSMC_MSG_GetDriverIfVersion),
+ "Attempt to get SMC IF Version Number Failed!",
+ return -EINVAL);
+ PP_ASSERT_WITH_CODE(!rv_read_arg_from_smc(smumgr,
+ &smc_driver_if_version),
+ "Attempt to read SMC IF Version Number Failed!",
+ return -EINVAL);
+
+ if (smc_driver_if_version != SMU10_DRIVER_IF_VERSION)
+ return -EINVAL;
+
+ return 0;
+}
+
+
+static int rv_smu_fini(struct pp_smumgr *smumgr)
+{
+ struct rv_smumgr *priv =
+ (struct rv_smumgr *)(smumgr->backend);
+
+ if (priv) {
+ cgs_free_gpu_mem(smumgr->device,
+ priv->smu_tables.entry[WMTABLE].handle);
+ cgs_free_gpu_mem(smumgr->device,
+ priv->smu_tables.entry[CLOCKTABLE].handle);
+ kfree(smumgr->backend);
+ smumgr->backend = NULL;
+ }
+
+ return 0;
+}
+
+static int rv_start_smu(struct pp_smumgr *smumgr)
+{
+ if (rv_verify_smc_interface(smumgr))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int rv_smu_init(struct pp_smumgr *smumgr)
+{
+ struct rv_smumgr *priv;
+ uint64_t mc_addr;
+ void *kaddr = NULL;
+ unsigned long handle;
+
+ priv = kzalloc(sizeof(struct rv_smumgr), GFP_KERNEL);
+
+ if (!priv)
+ return -ENOMEM;
+
+ smumgr->backend = priv;
+
+ /* allocate space for watermarks table */
+ smu_allocate_memory(smumgr->device,
+ sizeof(Watermarks_t),
+ CGS_GPU_MEM_TYPE__GART_CACHEABLE,
+ PAGE_SIZE,
+ &mc_addr,
+ &kaddr,
+ &handle);
+
+ PP_ASSERT_WITH_CODE(kaddr,
+ "[rv_smu_init] Out of memory for wmtable.",
+ kfree(smumgr->backend);
+ smumgr->backend = NULL;
+ return -EINVAL);
+
+ priv->smu_tables.entry[WMTABLE].version = 0x01;
+ priv->smu_tables.entry[WMTABLE].size = sizeof(Watermarks_t);
+ priv->smu_tables.entry[WMTABLE].table_id = TABLE_WATERMARKS;
+ priv->smu_tables.entry[WMTABLE].table_addr_high =
+ smu_upper_32_bits(mc_addr);
+ priv->smu_tables.entry[WMTABLE].table_addr_low =
+ smu_lower_32_bits(mc_addr);
+ priv->smu_tables.entry[WMTABLE].table = kaddr;
+ priv->smu_tables.entry[WMTABLE].handle = handle;
+
+ /* allocate space for watermarks table */
+ smu_allocate_memory(smumgr->device,
+ sizeof(DpmClocks_t),
+ CGS_GPU_MEM_TYPE__GART_CACHEABLE,
+ PAGE_SIZE,
+ &mc_addr,
+ &kaddr,
+ &handle);
+
+ PP_ASSERT_WITH_CODE(kaddr,
+ "[rv_smu_init] Out of memory for CLOCKTABLE.",
+ cgs_free_gpu_mem(smumgr->device,
+ (cgs_handle_t)priv->smu_tables.entry[WMTABLE].handle);
+ kfree(smumgr->backend);
+ smumgr->backend = NULL;
+ return -EINVAL);
+
+ priv->smu_tables.entry[CLOCKTABLE].version = 0x01;
+ priv->smu_tables.entry[CLOCKTABLE].size = sizeof(DpmClocks_t);
+ priv->smu_tables.entry[CLOCKTABLE].table_id = TABLE_DPMCLOCKS;
+ priv->smu_tables.entry[CLOCKTABLE].table_addr_high =
+ smu_upper_32_bits(mc_addr);
+ priv->smu_tables.entry[CLOCKTABLE].table_addr_low =
+ smu_lower_32_bits(mc_addr);
+ priv->smu_tables.entry[CLOCKTABLE].table = kaddr;
+ priv->smu_tables.entry[CLOCKTABLE].handle = handle;
+
+ return 0;
+}
+
+const struct pp_smumgr_func rv_smu_funcs = {
+ .smu_init = &rv_smu_init,
+ .smu_fini = &rv_smu_fini,
+ .start_smu = &rv_start_smu,
+ .request_smu_load_specific_fw = NULL,
+ .send_msg_to_smc = &rv_send_msg_to_smc,
+ .send_msg_to_smc_with_parameter = &rv_send_msg_to_smc_with_parameter,
+ .download_pptable_settings = NULL,
+ .upload_pptable_settings = NULL,
+};
+
+
projects / platform / kernel / linux-rpi.git / commitdiff