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Diffstat (limited to 'sys/dev/amdsmu/amdsmu_reg.h')
-rw-r--r--sys/dev/amdsmu/amdsmu_reg.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/sys/dev/amdsmu/amdsmu_reg.h b/sys/dev/amdsmu/amdsmu_reg.h
new file mode 100644
index 000000000000..e685b34e6883
--- /dev/null
+++ b/sys/dev/amdsmu/amdsmu_reg.h
@@ -0,0 +1,84 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2025 The FreeBSD Foundation
+ *
+ * This software was developed by Aymeric Wibo <obiwac@freebsd.org>
+ * under sponsorship from the FreeBSD Foundation.
+ */
+#ifndef _AMDSMU_REG_H_
+#define _AMDSMU_REG_H_
+
+#include <sys/types.h>
+
+/*
+ * TODO These are in common with amdtemp; should we find a way to factor these
+ * out? Also, there are way more of these. I couldn't find a centralized place
+ * which lists them though.
+ */
+#define PCI_DEVICEID_AMD_REMBRANDT_ROOT 0x14B5
+#define PCI_DEVICEID_AMD_PHOENIX_ROOT 0x14E8
+#define PCI_DEVICEID_AMD_STRIX_POINT_ROOT 0x14A4
+
+#define SMU_INDEX_ADDRESS 0xB8
+#define SMU_INDEX_DATA 0xBC
+
+#define SMU_PHYSBASE_ADDR_LO 0x13B102E8
+#define SMU_PHYSBASE_ADDR_HI 0x13B102EC
+
+#define SMU_MEM_SIZE 0x1000
+#define SMU_REG_SPACE_OFF 0x10000
+
+#define SMU_REG_MESSAGE 0x538
+#define SMU_REG_RESPONSE 0x980
+#define SMU_REG_ARGUMENT 0x9BC
+#define SMU_REG_IDLEMASK 0xD14
+
+enum amdsmu_res {
+ SMU_RES_WAIT = 0x00,
+ SMU_RES_OK = 0x01,
+ SMU_RES_REJECT_BUSY = 0xFC,
+ SMU_RES_REJECT_PREREQ = 0xFD,
+ SMU_RES_UNKNOWN = 0xFE,
+ SMU_RES_FAILED = 0xFF,
+};
+
+enum amdsmu_msg {
+ SMU_MSG_GETSMUVERSION = 0x02,
+ SMU_MSG_LOG_GETDRAM_ADDR_HI = 0x04,
+ SMU_MSG_LOG_GETDRAM_ADDR_LO = 0x05,
+ SMU_MSG_LOG_START = 0x06,
+ SMU_MSG_LOG_RESET = 0x07,
+ SMU_MSG_LOG_DUMP_DATA = 0x08,
+ SMU_MSG_GET_SUP_CONSTRAINTS = 0x09,
+};
+
+/* XXX Copied from Linux struct smu_metrics. */
+struct amdsmu_metrics {
+ uint32_t table_version;
+ uint32_t hint_count;
+ uint32_t s0i3_last_entry_status;
+ uint32_t time_last_in_s0i2;
+ uint64_t time_last_entering_s0i3;
+ uint64_t total_time_entering_s0i3;
+ uint64_t time_last_resuming;
+ uint64_t total_time_resuming;
+ uint64_t time_last_in_s0i3;
+ uint64_t total_time_in_s0i3;
+ uint64_t time_last_in_sw_drips;
+ uint64_t total_time_in_sw_drips;
+ /*
+ * This is how long each IP block was active for (us), i.e., blocking
+ * entry to S0i3. In Linux, these are called "timecondition_notmet_*".
+ *
+ * XXX Total active time for IP blocks seems to be buggy and reporting
+ * garbage (at least on Phoenix), so it's disabled for now. The last
+ * active time for the USB4_0 IP block also seems to be buggy.
+ */
+ uint64_t ip_block_last_active_time[32];
+#ifdef IP_BLOCK_TOTAL_ACTIVE_TIME
+ uint64_t ip_block_total_active_time[32];
+#endif
+} __attribute__((packed));
+
+#endif /* _AMDSMU_REG_H_ */