#define GEN6_PCODE_MAILBOX _MMIO(0x138124)
#define GEN6_PCODE_READY (1 << 31)
+#define GEN6_PCODE_MB_PARAM2 REG_GENMASK(23, 16)
+#define GEN6_PCODE_MB_PARAM1 REG_GENMASK(15, 8)
+#define GEN6_PCODE_MB_COMMAND REG_GENMASK(7, 0)
#define GEN6_PCODE_ERROR_MASK 0xFF
#define GEN6_PCODE_SUCCESS 0x0
#define GEN6_PCODE_ILLEGAL_CMD 0x1
DG1_UNCORE_INIT_STATUS_COMPLETE,
DG1_UNCORE_INIT_STATUS_COMPLETE, 180000);
}
+
+int snb_pcode_read_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 *val)
+{
+ intel_wakeref_t wakeref;
+ u32 mbox;
+ int err;
+
+ mbox = REG_FIELD_PREP(GEN6_PCODE_MB_COMMAND, mbcmd)
+ | REG_FIELD_PREP(GEN6_PCODE_MB_PARAM1, p1)
+ | REG_FIELD_PREP(GEN6_PCODE_MB_PARAM2, p2);
+
+ with_intel_runtime_pm(uncore->rpm, wakeref)
+ err = snb_pcode_read(uncore, mbox, val, NULL);
+
+ return err;
+}
+
+int snb_pcode_write_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 val)
+{
+ intel_wakeref_t wakeref;
+ u32 mbox;
+ int err;
+
+ mbox = REG_FIELD_PREP(GEN6_PCODE_MB_COMMAND, mbcmd)
+ | REG_FIELD_PREP(GEN6_PCODE_MB_PARAM1, p1)
+ | REG_FIELD_PREP(GEN6_PCODE_MB_PARAM2, p2);
+
+ with_intel_runtime_pm(uncore->rpm, wakeref)
+ err = snb_pcode_write(uncore, mbox, val);
+
+ return err;
+}
int intel_pcode_init(struct intel_uncore *uncore);
+/*
+ * Helpers for dGfx PCODE mailbox command formatting
+ */
+int snb_pcode_read_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 *val);
+int snb_pcode_write_p(struct intel_uncore *uncore, u32 mbcmd, u32 p1, u32 p2, u32 val);
+
#endif /* _INTEL_PCODE_H */