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path: root/drivers/gpu/drm/xe/xe_pcode_api.h
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Diffstat (limited to 'drivers/gpu/drm/xe/xe_pcode_api.h')
-rw-r--r--drivers/gpu/drm/xe/xe_pcode_api.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_pcode_api.h b/drivers/gpu/drm/xe/xe_pcode_api.h
new file mode 100644
index 000000000000..5935cfe30204
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_pcode_api.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2022 Intel Corporation
+ */
+
+/* Internal to xe_pcode */
+
+#include "regs/xe_reg_defs.h"
+
+#define PCODE_MAILBOX XE_REG(0x138124)
+#define PCODE_READY REG_BIT(31)
+#define PCODE_MB_PARAM2 REG_GENMASK(23, 16)
+#define PCODE_MB_PARAM1 REG_GENMASK(15, 8)
+#define PCODE_MB_COMMAND REG_GENMASK(7, 0)
+#define PCODE_ERROR_MASK 0xFF
+#define PCODE_SUCCESS 0x0
+#define PCODE_ILLEGAL_CMD 0x1
+#define PCODE_TIMEOUT 0x2
+#define PCODE_ILLEGAL_DATA 0x3
+#define PCODE_ILLEGAL_SUBCOMMAND 0x4
+#define PCODE_LOCKED 0x6
+#define PCODE_GT_RATIO_OUT_OF_RANGE 0x10
+#define PCODE_REJECTED 0x11
+
+#define PCODE_DATA0 XE_REG(0x138128)
+#define PCODE_DATA1 XE_REG(0x13812C)
+
+/* Min Freq QOS Table */
+#define PCODE_WRITE_MIN_FREQ_TABLE 0x8
+#define PCODE_READ_MIN_FREQ_TABLE 0x9
+#define PCODE_FREQ_RING_RATIO_SHIFT 16
+
+/* PCODE Init */
+#define DGFX_PCODE_STATUS 0x7E
+#define DGFX_GET_INIT_STATUS 0x0
+#define DGFX_INIT_STATUS_COMPLETE 0x1
+
+#define PCODE_POWER_SETUP 0x7C
+#define POWER_SETUP_SUBCOMMAND_READ_I1 0x4
+#define POWER_SETUP_SUBCOMMAND_WRITE_I1 0x5
+#define POWER_SETUP_I1_WATTS REG_BIT(31)
+#define POWER_SETUP_I1_SHIFT 6 /* 10.6 fixed point format */
+#define POWER_SETUP_I1_DATA_MASK REG_GENMASK(15, 0)
+
+struct pcode_err_decode {
+ int errno;
+ const char *str;
+};
+