--- /dev/null
+/*
+ * Copyright 2018 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 "common_baco.h"
+
+
+static bool baco_wait_register(struct pp_hwmgr *hwmgr, u32 reg, u32 mask, u32 value)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev);
+ u32 timeout = 5000, data;
+
+ do {
+ msleep(1);
+ data = RREG32(reg);
+ timeout--;
+ } while (value != (data & mask) && (timeout != 0));
+
+ if (timeout == 0)
+ return false;
+
+ return true;
+}
+
+static bool baco_cmd_handler(struct pp_hwmgr *hwmgr, u32 command, u32 reg, u32 mask,
+ u32 shift, u32 value, u32 timeout)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev);
+ u32 data;
+ bool ret = true;
+
+ switch (command) {
+ case CMD_WRITE:
+ WREG32(reg, value << shift);
+ break;
+ case CMD_READMODIFYWRITE:
+ data = RREG32(reg);
+ data = (data & (~mask)) | (value << shift);
+ WREG32(reg, data);
+ break;
+ case CMD_WAITFOR:
+ ret = baco_wait_register(hwmgr, reg, mask, value);
+ break;
+ case CMD_DELAY_MS:
+ if (timeout)
+ /* Delay in milli Seconds */
+ msleep(timeout);
+ break;
+ case CMD_DELAY_US:
+ if (timeout)
+ /* Delay in micro Seconds */
+ udelay(timeout);
+ break;
+
+ default:
+ dev_warn(adev->dev, "Invalid BACO command.\n");
+ ret = false;
+ }
+
+ return ret;
+}
+
+bool soc15_baco_program_registers(struct pp_hwmgr *hwmgr,
+ const struct soc15_baco_cmd_entry *entry,
+ const u32 array_size)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev);
+ u32 i, reg = 0;
+
+ for (i = 0; i < array_size; i++) {
+ if ((entry[i].cmd == CMD_WRITE) ||
+ (entry[i].cmd == CMD_READMODIFYWRITE) ||
+ (entry[i].cmd == CMD_WAITFOR))
+ reg = adev->reg_offset[entry[i].hwip][entry[i].inst][entry[i].seg]
+ + entry[i].reg_offset;
+ if (!baco_cmd_handler(hwmgr, entry[i].cmd, reg, entry[i].mask,
+ entry[i].shift, entry[i].val, entry[i].timeout))
+ return false;
+ }
+
+ return true;
+}
--- /dev/null
+/*
+ * Copyright 2018 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 __COMMON_BOCO_H__
+#define __COMMON_BOCO_H__
+#include "hwmgr.h"
+
+
+enum baco_cmd_type {
+ CMD_WRITE = 0,
+ CMD_READMODIFYWRITE,
+ CMD_WAITFOR,
+ CMD_DELAY_MS,
+ CMD_DELAY_US,
+};
+
+struct soc15_baco_cmd_entry {
+ enum baco_cmd_type cmd;
+ uint32_t hwip;
+ uint32_t inst;
+ uint32_t seg;
+ uint32_t reg_offset;
+ uint32_t mask;
+ uint32_t shift;
+ uint32_t timeout;
+ uint32_t val;
+};
+extern bool soc15_baco_program_registers(struct pp_hwmgr *hwmgr,
+ const struct soc15_baco_cmd_entry *entry,
+ const u32 array_size);
+#endif
OSDN Git Service
