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-rw-r--r--sound/soc/intel/avs/skl.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/sound/soc/intel/avs/skl.c b/sound/soc/intel/avs/skl.c
new file mode 100644
index 000000000..bda5ec751
--- /dev/null
+++ b/sound/soc/intel/avs/skl.c
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
+//
+// Authors: Cezary Rojewski <cezary.rojewski@intel.com>
+// Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
+//
+
+#include <linux/devcoredump.h>
+#include <linux/slab.h>
+#include <sound/hdaudio_ext.h>
+#include "avs.h"
+#include "messages.h"
+
+static int skl_enable_logs(struct avs_dev *adev, enum avs_log_enable enable, u32 aging_period,
+ u32 fifo_full_period, unsigned long resource_mask, u32 *priorities)
+{
+ struct skl_log_state_info *info;
+ u32 size, num_cores = adev->hw_cfg.dsp_cores;
+ int ret, i;
+
+ if (fls_long(resource_mask) > num_cores)
+ return -EINVAL;
+ size = struct_size(info, logs_core, num_cores);
+ info = kzalloc(size, GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ info->core_mask = resource_mask;
+ if (enable)
+ for_each_set_bit(i, &resource_mask, GENMASK(num_cores, 0)) {
+ info->logs_core[i].enable = enable;
+ info->logs_core[i].min_priority = *priorities++;
+ }
+ else
+ for_each_set_bit(i, &resource_mask, GENMASK(num_cores, 0))
+ info->logs_core[i].enable = enable;
+
+ ret = avs_ipc_set_enable_logs(adev, (u8 *)info, size);
+ kfree(info);
+ if (ret)
+ return AVS_IPC_RET(ret);
+
+ return 0;
+}
+
+int skl_log_buffer_offset(struct avs_dev *adev, u32 core)
+{
+ return core * avs_log_buffer_size(adev);
+}
+
+/* fw DbgLogWp registers */
+#define FW_REGS_DBG_LOG_WP(core) (0x30 + 0x4 * core)
+
+static int
+skl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg)
+{
+ unsigned long flags;
+ void __iomem *buf;
+ u16 size, write, offset;
+
+ spin_lock_irqsave(&adev->dbg.trace_lock, flags);
+ if (!kfifo_initialized(&adev->dbg.trace_fifo)) {
+ spin_unlock_irqrestore(&adev->dbg.trace_lock, flags);
+ return 0;
+ }
+
+ size = avs_log_buffer_size(adev) / 2;
+ write = readl(avs_sram_addr(adev, AVS_FW_REGS_WINDOW) + FW_REGS_DBG_LOG_WP(msg->log.core));
+ /* determine buffer half */
+ offset = (write < size) ? size : 0;
+
+ /* Address is guaranteed to exist in SRAM2. */
+ buf = avs_log_buffer_addr(adev, msg->log.core) + offset;
+ __kfifo_fromio_locked(&adev->dbg.trace_fifo, buf, size, &adev->dbg.fifo_lock);
+ wake_up(&adev->dbg.trace_waitq);
+ spin_unlock_irqrestore(&adev->dbg.trace_lock, flags);
+
+ return 0;
+}
+
+static int skl_coredump(struct avs_dev *adev, union avs_notify_msg *msg)
+{
+ u8 *dump;
+
+ dump = vzalloc(AVS_FW_REGS_SIZE);
+ if (!dump)
+ return -ENOMEM;
+
+ memcpy_fromio(dump, avs_sram_addr(adev, AVS_FW_REGS_WINDOW), AVS_FW_REGS_SIZE);
+ dev_coredumpv(adev->dev, dump, AVS_FW_REGS_SIZE, GFP_KERNEL);
+
+ return 0;
+}
+
+static bool
+skl_d0ix_toggle(struct avs_dev *adev, struct avs_ipc_msg *tx, bool wake)
+{
+ /* unsupported on cAVS 1.5 hw */
+ return false;
+}
+
+static int skl_set_d0ix(struct avs_dev *adev, bool enable)
+{
+ /* unsupported on cAVS 1.5 hw */
+ return 0;
+}
+
+const struct avs_dsp_ops skl_dsp_ops = {
+ .power = avs_dsp_core_power,
+ .reset = avs_dsp_core_reset,
+ .stall = avs_dsp_core_stall,
+ .irq_handler = avs_dsp_irq_handler,
+ .irq_thread = avs_dsp_irq_thread,
+ .int_control = avs_dsp_interrupt_control,
+ .load_basefw = avs_cldma_load_basefw,
+ .load_lib = avs_cldma_load_library,
+ .transfer_mods = avs_cldma_transfer_modules,
+ .enable_logs = skl_enable_logs,
+ .log_buffer_offset = skl_log_buffer_offset,
+ .log_buffer_status = skl_log_buffer_status,
+ .coredump = skl_coredump,
+ .d0ix_toggle = skl_d0ix_toggle,
+ .set_d0ix = skl_set_d0ix,
+};