drm/amdgpu/powerplay: add smu_v12_0.c & smu_v12_0.h for renoir

add smu_v12_0.c & smu_v12_0.h for renoir

Signed-off-by: Aaron Liu <aaron.liu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 207 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h b/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h
new file mode 100644
index 000000000000..278cdc2c0d47
--- /dev/null
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu_v12_0.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2019 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 __SMU_V12_0_H__
+#define __SMU_V12_0_H__
+
+#include "amdgpu_smu.h"
+
+/* MP Apertures */
+#define MP0_Public			0x03800000
+#define MP0_SRAM			0x03900000
+#define MP1_Public			0x03b00000
+#define MP1_SRAM			0x03c00004
+
+
+void smu_v12_0_set_smu_funcs(struct smu_context *smu);
+
+#endif
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v12_0.c b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
new file mode 100644
index 000000000000..fdafa2306c29
--- /dev/null
+++ b/drivers/gpu/drm/amd/powerplay/smu_v12_0.c
@@ -0,0 +1,170 @@
+/*
+ * Copyright 2019 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.
+ */
+
+#include "pp_debug.h"
+#include <linux/firmware.h>
+#include "amdgpu.h"
+#include "amdgpu_smu.h"
+#include "atomfirmware.h"
+#include "amdgpu_atomfirmware.h"
+#include "smu_v12_0.h"
+#include "soc15_common.h"
+#include "atom.h"
+#include "renoir_ppt.h"
+
+#include "asic_reg/mp/mp_12_0_0_offset.h"
+#include "asic_reg/mp/mp_12_0_0_sh_mask.h"
+
+#define smnMP1_FIRMWARE_FLAGS                                0x3010024
+
+static int smu_v12_0_send_msg_without_waiting(struct smu_context *smu,
+					      uint16_t msg)
+{
+	struct amdgpu_device *adev = smu->adev;
+
+	WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_66, msg);
+	return 0;
+}
+
+static int smu_v12_0_read_arg(struct smu_context *smu, uint32_t *arg)
+{
+	struct amdgpu_device *adev = smu->adev;
+
+	*arg = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82);
+	return 0;
+}
+
+static int smu_v12_0_wait_for_response(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+	uint32_t cur_value, i;
+
+	for (i = 0; i < adev->usec_timeout; i++) {
+		cur_value = RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90);
+		if ((cur_value & MP1_C2PMSG_90__CONTENT_MASK) != 0)
+			break;
+		udelay(1);
+	}
+
+	/* timeout means wrong logic */
+	if (i == adev->usec_timeout)
+		return -ETIME;
+
+	return RREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90) == 0x1 ? 0 : -EIO;
+}
+
+static int smu_v12_0_send_msg(struct smu_context *smu, uint16_t msg)
+{
+	struct amdgpu_device *adev = smu->adev;
+	int ret = 0, index = 0;
+
+	index = smu_msg_get_index(smu, msg);
+	if (index < 0)
+		return index;
+
+	smu_v12_0_wait_for_response(smu);
+
+	WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
+
+	smu_v12_0_send_msg_without_waiting(smu, (uint16_t)index);
+
+	ret = smu_v12_0_wait_for_response(smu);
+
+	if (ret)
+		pr_err("Failed to send message 0x%x, response 0x%x\n", index,
+		       ret);
+
+	return ret;
+
+}
+
+static int
+smu_v12_0_send_msg_with_param(struct smu_context *smu, uint16_t msg,
+			      uint32_t param)
+{
+
+	struct amdgpu_device *adev = smu->adev;
+	int ret = 0, index = 0;
+
+	index = smu_msg_get_index(smu, msg);
+	if (index < 0)
+		return index;
+
+	ret = smu_v12_0_wait_for_response(smu);
+	if (ret)
+		pr_err("Failed to send message 0x%x, response 0x%x, param 0x%x\n",
+		       index, ret, param);
+
+	WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_90, 0);
+
+	WREG32_SOC15(MP1, 0, mmMP1_SMN_C2PMSG_82, param);
+
+	smu_v12_0_send_msg_without_waiting(smu, (uint16_t)index);
+
+	ret = smu_v12_0_wait_for_response(smu);
+	if (ret)
+		pr_err("Failed to send message 0x%x, response 0x%x param 0x%x\n",
+		       index, ret, param);
+
+	return ret;
+}
+
+static int smu_v12_0_check_fw_version(struct smu_context *smu)
+{
+	uint32_t smu_version = 0xff;
+	int ret = 0;
+
+	ret = smu_send_smc_msg(smu, SMU_MSG_GetDriverIfVersion);
+	if (ret)
+		goto err;
+
+	ret = smu_read_smc_arg(smu, &smu_version);
+	if (ret)
+		goto err;
+
+	if (smu_version != smu->smc_if_version)
+		ret = -EINVAL;
+err:
+	return ret;
+}
+
+static const struct smu_funcs smu_v12_0_funcs = {
+	.check_fw_version = smu_v12_0_check_fw_version,
+	.send_smc_msg = smu_v12_0_send_msg,
+	.send_smc_msg_with_param = smu_v12_0_send_msg_with_param,
+	.read_smc_arg = smu_v12_0_read_arg,
+};
+
+void smu_v12_0_set_smu_funcs(struct smu_context *smu)
+{
+	struct amdgpu_device *adev = smu->adev;
+
+	smu->funcs = &smu_v12_0_funcs;
+
+	switch (adev->asic_type) {
+	case CHIP_RENOIR:
+		renoir_set_ppt_funcs(smu);
+		break;
+	default:
+		pr_warn("Unknown asic for smu12\n");
+	}
+}