diff options
Diffstat (limited to 'sound/soc/intel/avs/skl.c')
| -rw-r--r-- | sound/soc/intel/avs/skl.c | 125 |
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, +}; |