Linux-libre 4.5-gnu

1 files changed, 53 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.h b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.h
new file mode 100644
index 000000000..33c788d7f
--- /dev/null
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/tonga_smumgr.h
@@ -0,0 +1,53 @@
+/*
+ * 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.
+ *
+ */
+
+#ifndef _TONGA_SMUMGR_H_
+#define _TONGA_SMUMGR_H_
+
+struct tonga_buffer_entry {
+	uint32_t data_size;
+	uint32_t mc_addr_low;
+	uint32_t mc_addr_high;
+	void *kaddr;
+	unsigned long  handle;
+};
+
+struct tonga_smumgr {
+	uint8_t *pHeader;
+	uint8_t *pMecImage;
+	uint32_t ulSoftRegsStart;
+
+	struct tonga_buffer_entry header_buffer;
+	struct tonga_buffer_entry smu_buffer;
+};
+
+extern int tonga_smum_init(struct pp_smumgr *smumgr);
+extern int tonga_copy_bytes_to_smc(struct pp_smumgr *smumgr,
+		uint32_t smcStartAddress, const uint8_t *src,
+		uint32_t byteCount, uint32_t limit);
+extern int tonga_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smcAddress,
+		uint32_t *value, uint32_t limit);
+extern int tonga_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smcAddress,
+		uint32_t value, uint32_t limit);
+
+#endif