drm/amdgpu: add psp v10 function callback for raven

PSP is the security processor.  These are the support
functions.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -54,7 +54,8 @@ amdgpu-y += \
 # add PSP block
 amdgpu-y += \
 	amdgpu_psp.o \
-	psp_v3_1.o
+	psp_v3_1.o \
+	psp_v10_0.o
 
 # add SMC block
 amdgpu-y += \

drivers/gpu/drm/amd/amdgpu/psp_v10_0.c

+/*
+ * 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.
+ *
+ * Author: Huang Rui
+ *
+ */
+
+#include <linux/firmware.h>
+#include "drmP.h"
+#include "amdgpu.h"
+#include "amdgpu_psp.h"
+#include "amdgpu_ucode.h"
+#include "soc15_common.h"
+#include "psp_v10_0.h"
+
+#include "vega10/soc15ip.h"
+#include "raven1/MP/mp_10_0_offset.h"
+#include "raven1/GC/gc_9_1_offset.h"
+#include "raven1/SDMA0/sdma0_4_1_offset.h"
+
+static int
+psp_v10_0_get_fw_type(struct amdgpu_firmware_info *ucode, enum psp_gfx_fw_type *type)
+{
+	switch(ucode->ucode_id) {
+	case AMDGPU_UCODE_ID_SDMA0:
+		*type = GFX_FW_TYPE_SDMA0;
+		break;
+	case AMDGPU_UCODE_ID_SDMA1:
+		*type = GFX_FW_TYPE_SDMA1;
+		break;
+	case AMDGPU_UCODE_ID_CP_CE:
+		*type = GFX_FW_TYPE_CP_CE;
+		break;
+	case AMDGPU_UCODE_ID_CP_PFP:
+		*type = GFX_FW_TYPE_CP_PFP;
+		break;
+	case AMDGPU_UCODE_ID_CP_ME:
+		*type = GFX_FW_TYPE_CP_ME;
+		break;
+	case AMDGPU_UCODE_ID_CP_MEC1:
+		*type = GFX_FW_TYPE_CP_MEC;
+		break;
+	case AMDGPU_UCODE_ID_CP_MEC1_JT:
+		*type = GFX_FW_TYPE_CP_MEC_ME1;
+		break;
+	case AMDGPU_UCODE_ID_CP_MEC2:
+		*type = GFX_FW_TYPE_CP_MEC;
+		break;
+	case AMDGPU_UCODE_ID_CP_MEC2_JT:
+		*type = GFX_FW_TYPE_CP_MEC_ME2;
+		break;
+	case AMDGPU_UCODE_ID_RLC_G:
+		*type = GFX_FW_TYPE_RLC_G;
+		break;
+	case AMDGPU_UCODE_ID_SMC:
+		*type = GFX_FW_TYPE_SMU;
+		break;
+	case AMDGPU_UCODE_ID_UVD:
+		*type = GFX_FW_TYPE_UVD;
+		break;
+	case AMDGPU_UCODE_ID_VCE:
+		*type = GFX_FW_TYPE_VCE;
+		break;
+	case AMDGPU_UCODE_ID_MAXIMUM:
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd_resp *cmd)
+{
+	int ret;
+	uint64_t fw_mem_mc_addr = ucode->mc_addr;
+	struct  common_firmware_header *header;
+
+	memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
+	header = (struct common_firmware_header *)ucode->fw;
+
+	cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW;
+	cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = (uint32_t)fw_mem_mc_addr;
+	cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = (uint32_t)((uint64_t)fw_mem_mc_addr >> 32);
+	cmd->cmd.cmd_load_ip_fw.fw_size = le32_to_cpu(header->ucode_size_bytes);
+
+	ret = psp_v10_0_get_fw_type(ucode, &cmd->cmd.cmd_load_ip_fw.fw_type);
+	if (ret)
+		DRM_ERROR("Unknown firmware type\n");
+
+	return ret;
+}
+
+int psp_v10_0_ring_init(struct psp_context *psp, enum psp_ring_type ring_type)
+{
+	int ret = 0;
+	unsigned int psp_ring_reg = 0;
+	struct psp_ring *ring;
+	struct amdgpu_device *adev = psp->adev;
+
+	ring = &psp->km_ring;
+
+	ring->ring_type = ring_type;
+
+	/* allocate 4k Page of Local Frame Buffer memory for ring */
+	ring->ring_size = 0x1000;
+	ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
+				      AMDGPU_GEM_DOMAIN_VRAM,
+				      &adev->firmware.rbuf,
+				      &ring->ring_mem_mc_addr,
+				      (void **)&ring->ring_mem);
+	if (ret) {
+		ring->ring_size = 0;
+		return ret;
+	}
+
+	/* Write low address of the ring to C2PMSG_69 */
+	psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
+	WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_69), psp_ring_reg);
+	/* Write high address of the ring to C2PMSG_70 */
+	psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
+	WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_70), psp_ring_reg);
+	/* Write size of ring to C2PMSG_71 */
+	psp_ring_reg = ring->ring_size;
+	WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_71), psp_ring_reg);
+	/* Write the ring initialization command to C2PMSG_64 */
+	psp_ring_reg = ring_type;
+	psp_ring_reg = psp_ring_reg << 16;
+	WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), psp_ring_reg);
+	/* Wait for response flag (bit 31) in C2PMSG_64 */
+	psp_ring_reg = 0;
+	while ((psp_ring_reg & 0x80000000) == 0) {
+		psp_ring_reg = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64));
+	}
+
+	return 0;
+}
+
+int psp_v10_0_cmd_submit(struct psp_context *psp,
+		        struct amdgpu_firmware_info *ucode,
+		        uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
+		        int index)
+{
+	unsigned int psp_write_ptr_reg = 0;
+	struct psp_gfx_rb_frame * write_frame = psp->km_ring.ring_mem;
+	struct psp_ring *ring = &psp->km_ring;
+	struct amdgpu_device *adev = psp->adev;
+
+	/* KM (GPCOM) prepare write pointer */
+	psp_write_ptr_reg = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_67));
+
+	/* Update KM RB frame pointer to new frame */
+	if ((psp_write_ptr_reg % ring->ring_size) == 0)
+		write_frame = ring->ring_mem;
+	else
+		write_frame = ring->ring_mem + (psp_write_ptr_reg / (sizeof(struct psp_gfx_rb_frame) / 4));
+
+	/* Update KM RB frame */
+	write_frame->cmd_buf_addr_hi = (unsigned int)(cmd_buf_mc_addr >> 32);
+	write_frame->cmd_buf_addr_lo = (unsigned int)(cmd_buf_mc_addr);
+	write_frame->fence_addr_hi = (unsigned int)(fence_mc_addr >> 32);
+	write_frame->fence_addr_lo = (unsigned int)(fence_mc_addr);
+	write_frame->fence_value = index;
+
+	/* Update the write Pointer in DWORDs */
+	psp_write_ptr_reg += sizeof(struct psp_gfx_rb_frame) / 4;
+	psp_write_ptr_reg = (psp_write_ptr_reg >= ring->ring_size) ? 0 : psp_write_ptr_reg;
+	WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_67), psp_write_ptr_reg);
+
+	return 0;
+}
+
+static int
+psp_v10_0_sram_map(unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
+		  unsigned int *sram_data_reg_offset,
+		  enum AMDGPU_UCODE_ID ucode_id)
+{
+	int ret = 0;
+
+	switch(ucode_id) {
+/* TODO: needs to confirm */
+#if 0
+	case AMDGPU_UCODE_ID_SMC:
+		*sram_offset = 0;
+		*sram_addr_reg_offset = 0;
+		*sram_data_reg_offset = 0;
+		break;
+#endif
+
+	case AMDGPU_UCODE_ID_CP_CE:
+		*sram_offset = 0x0;
+		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
+		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
+		break;
+
+	case AMDGPU_UCODE_ID_CP_PFP:
+		*sram_offset = 0x0;
+		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
+		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
+		break;
+
+	case AMDGPU_UCODE_ID_CP_ME:
+		*sram_offset = 0x0;
+		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
+		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
+		break;
+
+	case AMDGPU_UCODE_ID_CP_MEC1:
+		*sram_offset = 0x10000;
+		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
+		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
+		break;
+
+	case AMDGPU_UCODE_ID_CP_MEC2:
+		*sram_offset = 0x10000;
+		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
+		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
+		break;
+
+	case AMDGPU_UCODE_ID_RLC_G:
+		*sram_offset = 0x2000;
+		*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
+		*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
+		break;
+
+	case AMDGPU_UCODE_ID_SDMA0:
+		*sram_offset = 0x0;
+		*sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
+		*sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
+		break;
+
+/* TODO: needs to confirm */
+#if 0
+	case AMDGPU_UCODE_ID_SDMA1:
+		*sram_offset = ;
+		*sram_addr_reg_offset = ;
+		break;
+
+	case AMDGPU_UCODE_ID_UVD:
+		*sram_offset = ;
+		*sram_addr_reg_offset = ;
+		break;
+
+	case AMDGPU_UCODE_ID_VCE:
+		*sram_offset = ;
+		*sram_addr_reg_offset = ;
+		break;
+#endif
+
+	case AMDGPU_UCODE_ID_MAXIMUM:
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+bool psp_v10_0_compare_sram_data(struct psp_context *psp,
+				struct amdgpu_firmware_info *ucode,
+				enum AMDGPU_UCODE_ID ucode_type)
+{
+	int err = 0;
+	unsigned int fw_sram_reg_val = 0;
+	unsigned int fw_sram_addr_reg_offset = 0;
+	unsigned int fw_sram_data_reg_offset = 0;
+	unsigned int ucode_size;
+	uint32_t *ucode_mem = NULL;
+	struct amdgpu_device *adev = psp->adev;
+
+	err = psp_v10_0_sram_map(&fw_sram_reg_val, &fw_sram_addr_reg_offset,
+				&fw_sram_data_reg_offset, ucode_type);
+	if (err)
+		return false;
+
+	WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
+
+	ucode_size = ucode->ucode_size;
+	ucode_mem = (uint32_t *)ucode->kaddr;
+	while (!ucode_size) {
+		fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
+
+		if (*ucode_mem != fw_sram_reg_val)
+			return false;
+
+		ucode_mem++;
+		/* 4 bytes */
+		ucode_size -= 4;
+	}
+
+	return true;
+}

drivers/gpu/drm/amd/amdgpu/psp_v10_0.h

+/*
+ * 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.
+ *
+ * Author: Huang Rui
+ *
+ */
+#ifndef __PSP_V10_0_H__
+#define __PSP_V10_0_H__
+
+#include "amdgpu_psp.h"
+
+extern int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode,
+				 struct psp_gfx_cmd_resp *cmd);
+extern int psp_v10_0_ring_init(struct psp_context *psp,
+			      enum psp_ring_type ring_type);
+extern int psp_v10_0_cmd_submit(struct psp_context *psp,
+			       struct amdgpu_firmware_info *ucode,
+			       uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
+			       int index);
+extern bool psp_v10_0_compare_sram_data(struct psp_context *psp,
+				       struct amdgpu_firmware_info *ucode,
+				       enum AMDGPU_UCODE_ID ucode_type);
+#endif