1 // SPDX-License-Identifier: GPL-2.0-only
3 // Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
6 // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
9 #include <linux/devcoredump.h>
10 #include <linux/slab.h>
11 #include <sound/hdaudio_ext.h>
15 static int skl_enable_logs(struct avs_dev *adev, enum avs_log_enable enable, u32 aging_period,
16 u32 fifo_full_period, unsigned long resource_mask, u32 *priorities)
18 struct skl_log_state_info *info;
19 u32 size, num_cores = adev->hw_cfg.dsp_cores;
22 if (fls_long(resource_mask) > num_cores)
24 size = struct_size(info, logs_core, num_cores);
25 info = kzalloc(size, GFP_KERNEL);
29 info->core_mask = resource_mask;
31 for_each_set_bit(i, &resource_mask, num_cores) {
32 info->logs_core[i].enable = enable;
33 info->logs_core[i].min_priority = *priorities++;
36 for_each_set_bit(i, &resource_mask, num_cores)
37 info->logs_core[i].enable = enable;
39 ret = avs_ipc_set_enable_logs(adev, (u8 *)info, size);
42 return AVS_IPC_RET(ret);
47 int skl_log_buffer_offset(struct avs_dev *adev, u32 core)
49 return core * avs_log_buffer_size(adev);
52 /* fw DbgLogWp registers */
53 #define FW_REGS_DBG_LOG_WP(core) (0x30 + 0x4 * core)
56 skl_log_buffer_status(struct avs_dev *adev, union avs_notify_msg *msg)
59 u16 size, write, offset;
61 if (!kfifo_initialized(&adev->dbg.trace_fifo))
64 size = avs_log_buffer_size(adev) / 2;
65 write = readl(avs_sram_addr(adev, AVS_FW_REGS_WINDOW) + FW_REGS_DBG_LOG_WP(msg->log.core));
66 /* determine buffer half */
67 offset = (write < size) ? size : 0;
69 /* Address is guaranteed to exist in SRAM2. */
70 buf = avs_log_buffer_addr(adev, msg->log.core) + offset;
71 __kfifo_fromio_locked(&adev->dbg.trace_fifo, buf, size, &adev->dbg.fifo_lock);
72 wake_up(&adev->dbg.trace_waitq);
77 static int skl_coredump(struct avs_dev *adev, union avs_notify_msg *msg)
81 dump = vzalloc(AVS_FW_REGS_SIZE);
85 memcpy_fromio(dump, avs_sram_addr(adev, AVS_FW_REGS_WINDOW), AVS_FW_REGS_SIZE);
86 dev_coredumpv(adev->dev, dump, AVS_FW_REGS_SIZE, GFP_KERNEL);
92 skl_d0ix_toggle(struct avs_dev *adev, struct avs_ipc_msg *tx, bool wake)
94 /* unsupported on cAVS 1.5 hw */
98 static int skl_set_d0ix(struct avs_dev *adev, bool enable)
100 /* unsupported on cAVS 1.5 hw */
104 const struct avs_dsp_ops skl_dsp_ops = {
105 .power = avs_dsp_core_power,
106 .reset = avs_dsp_core_reset,
107 .stall = avs_dsp_core_stall,
108 .irq_handler = avs_dsp_irq_handler,
109 .irq_thread = avs_dsp_irq_thread,
110 .int_control = avs_dsp_interrupt_control,
111 .load_basefw = avs_cldma_load_basefw,
112 .load_lib = avs_cldma_load_library,
113 .transfer_mods = avs_cldma_transfer_modules,
114 .enable_logs = skl_enable_logs,
115 .log_buffer_offset = skl_log_buffer_offset,
116 .log_buffer_status = skl_log_buffer_status,
117 .coredump = skl_coredump,
118 .d0ix_toggle = skl_d0ix_toggle,
119 .set_d0ix = skl_set_d0ix,