drm/amd/pm: relocate the power related headers

Instead of centralizing all headers in the same folder. Separate them into
different folders and place them among those source files those who really
need them.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 218 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/kv_smc.c b/drivers/gpu/drm/amd/pm/legacy-dpm/kv_smc.c
new file mode 100644
index 000000000000..2d9ab6b8be66
--- /dev/null
+++ b/drivers/gpu/drm/amd/pm/legacy-dpm/kv_smc.c
@@ -0,0 +1,218 @@
+/*
+ * Copyright 2013 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.
+ *
+ * Authors: Alex Deucher
+ */
+
+#include "amdgpu.h"
+#include "cikd.h"
+#include "kv_dpm.h"
+
+#include "smu/smu_7_0_0_d.h"
+#include "smu/smu_7_0_0_sh_mask.h"
+
+int amdgpu_kv_notify_message_to_smu(struct amdgpu_device *adev, u32 id)
+{
+	u32 i;
+	u32 tmp = 0;
+
+	WREG32(mmSMC_MESSAGE_0, id & SMC_MESSAGE_0__SMC_MSG_MASK);
+
+	for (i = 0; i < adev->usec_timeout; i++) {
+		if ((RREG32(mmSMC_RESP_0) & SMC_RESP_0__SMC_RESP_MASK) != 0)
+			break;
+		udelay(1);
+	}
+	tmp = RREG32(mmSMC_RESP_0) & SMC_RESP_0__SMC_RESP_MASK;
+
+	if (tmp != 1) {
+		if (tmp == 0xFF)
+			return -EINVAL;
+		else if (tmp == 0xFE)
+			return -EINVAL;
+	}
+
+	return 0;
+}
+
+int amdgpu_kv_dpm_get_enable_mask(struct amdgpu_device *adev, u32 *enable_mask)
+{
+	int ret;
+
+	ret = amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_SCLKDPM_GetEnabledMask);
+
+	if (ret == 0)
+		*enable_mask = RREG32_SMC(ixSMC_SYSCON_MSG_ARG_0);
+
+	return ret;
+}
+
+int amdgpu_kv_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
+				      PPSMC_Msg msg, u32 parameter)
+{
+
+	WREG32(mmSMC_MSG_ARG_0, parameter);
+
+	return amdgpu_kv_notify_message_to_smu(adev, msg);
+}
+
+static int kv_set_smc_sram_address(struct amdgpu_device *adev,
+				   u32 smc_address, u32 limit)
+{
+	if (smc_address & 3)
+		return -EINVAL;
+	if ((smc_address + 3) > limit)
+		return -EINVAL;
+
+	WREG32(mmSMC_IND_INDEX_0, smc_address);
+	WREG32_P(mmSMC_IND_ACCESS_CNTL, 0,
+			~SMC_IND_ACCESS_CNTL__AUTO_INCREMENT_IND_0_MASK);
+
+	return 0;
+}
+
+int amdgpu_kv_read_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
+			   u32 *value, u32 limit)
+{
+	int ret;
+
+	ret = kv_set_smc_sram_address(adev, smc_address, limit);
+	if (ret)
+		return ret;
+
+	*value = RREG32(mmSMC_IND_DATA_0);
+	return 0;
+}
+
+int amdgpu_kv_smc_dpm_enable(struct amdgpu_device *adev, bool enable)
+{
+	if (enable)
+		return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DPM_Enable);
+	else
+		return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DPM_Disable);
+}
+
+int amdgpu_kv_smc_bapm_enable(struct amdgpu_device *adev, bool enable)
+{
+	if (enable)
+		return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_EnableBAPM);
+	else
+		return amdgpu_kv_notify_message_to_smu(adev, PPSMC_MSG_DisableBAPM);
+}
+
+int amdgpu_kv_copy_bytes_to_smc(struct amdgpu_device *adev,
+			 u32 smc_start_address,
+			 const u8 *src, u32 byte_count, u32 limit)
+{
+	int ret;
+	u32 data, original_data, addr, extra_shift, t_byte, count, mask;
+
+	if ((smc_start_address + byte_count) > limit)
+		return -EINVAL;
+
+	addr = smc_start_address;
+	t_byte = addr & 3;
+
+	/* RMW for the initial bytes */
+	if  (t_byte != 0) {
+		addr -= t_byte;
+
+		ret = kv_set_smc_sram_address(adev, addr, limit);
+		if (ret)
+			return ret;
+
+		original_data = RREG32(mmSMC_IND_DATA_0);
+
+		data = 0;
+		mask = 0;
+		count = 4;
+		while (count > 0) {
+			if (t_byte > 0) {
+				mask = (mask << 8) | 0xff;
+				t_byte--;
+			} else if (byte_count > 0) {
+				data = (data << 8) + *src++;
+				byte_count--;
+				mask <<= 8;
+			} else {
+				data <<= 8;
+				mask = (mask << 8) | 0xff;
+			}
+			count--;
+		}
+
+		data |= original_data & mask;
+
+		ret = kv_set_smc_sram_address(adev, addr, limit);
+		if (ret)
+			return ret;
+
+		WREG32(mmSMC_IND_DATA_0, data);
+
+		addr += 4;
+	}
+
+	while (byte_count >= 4) {
+		/* SMC address space is BE */
+		data = (src[0] << 24) + (src[1] << 16) + (src[2] << 8) + src[3];
+
+		ret = kv_set_smc_sram_address(adev, addr, limit);
+		if (ret)
+			return ret;
+
+		WREG32(mmSMC_IND_DATA_0, data);
+
+		src += 4;
+		byte_count -= 4;
+		addr += 4;
+	}
+
+	/* RMW for the final bytes */
+	if (byte_count > 0) {
+		data = 0;
+
+		ret = kv_set_smc_sram_address(adev, addr, limit);
+		if (ret)
+			return ret;
+
+		original_data = RREG32(mmSMC_IND_DATA_0);
+
+		extra_shift = 8 * (4 - byte_count);
+
+		while (byte_count > 0) {
+			/* SMC address space is BE */
+			data = (data << 8) + *src++;
+			byte_count--;
+		}
+
+		data <<= extra_shift;
+
+		data |= (original_data & ~((~0UL) << extra_shift));
+
+		ret = kv_set_smc_sram_address(adev, addr, limit);
+		if (ret)
+			return ret;
+
+		WREG32(mmSMC_IND_DATA_0, data);
+	}
+	return 0;
+}
+