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4da6b033 AKP |
1 | // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) |
2 | // | |
3 | // This file is provided under a dual BSD/GPLv2 license. When using or | |
4 | // redistributing this file, you may do so under either license. | |
5 | // | |
6 | // Copyright(c) 2022 Advanced Micro Devices, Inc. | |
7 | // | |
8 | // Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com> | |
9 | // V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com> | |
10 | ||
11 | /* ACP-specific Common code */ | |
12 | ||
13 | #include "../sof-priv.h" | |
14 | #include "../sof-audio.h" | |
15 | #include "../ops.h" | |
16 | #include "../sof-audio.h" | |
17 | #include "acp.h" | |
18 | #include "acp-dsp-offset.h" | |
41cfad23 | 19 | #include <sound/sof/xtensa.h> |
4da6b033 | 20 | |
41cfad23 R |
21 | /** |
22 | * amd_sof_ipc_dump() - This function is called when IPC tx times out. | |
23 | * @sdev: SOF device. | |
24 | */ | |
25 | void amd_sof_ipc_dump(struct snd_sof_dev *sdev) | |
26 | { | |
27 | const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata); | |
28 | u32 base = desc->dsp_intr_base; | |
29 | u32 dsp_msg_write = sdev->debug_box.offset + | |
30 | offsetof(struct scratch_ipc_conf, sof_dsp_msg_write); | |
31 | u32 dsp_ack_write = sdev->debug_box.offset + | |
32 | offsetof(struct scratch_ipc_conf, sof_dsp_ack_write); | |
33 | u32 host_msg_write = sdev->debug_box.offset + | |
34 | offsetof(struct scratch_ipc_conf, sof_host_msg_write); | |
35 | u32 host_ack_write = sdev->debug_box.offset + | |
36 | offsetof(struct scratch_ipc_conf, sof_host_ack_write); | |
37 | u32 dsp_msg, dsp_ack, host_msg, host_ack, irq_stat; | |
38 | ||
39 | dsp_msg = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + dsp_msg_write); | |
40 | dsp_ack = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + dsp_ack_write); | |
41 | host_msg = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + host_msg_write); | |
42 | host_ack = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + host_ack_write); | |
43 | irq_stat = snd_sof_dsp_read(sdev, ACP_DSP_BAR, base + DSP_SW_INTR_STAT_OFFSET); | |
44 | ||
45 | dev_err(sdev->dev, | |
46 | "dsp_msg = %#x dsp_ack = %#x host_msg = %#x host_ack = %#x irq_stat = %#x\n", | |
47 | dsp_msg, dsp_ack, host_msg, host_ack, irq_stat); | |
48 | } | |
49 | ||
50 | /** | |
51 | * amd_get_registers() - This function is called in case of DSP oops | |
52 | * in order to gather information about the registers, filename and | |
53 | * linenumber and stack. | |
54 | * @sdev: SOF device. | |
55 | * @xoops: Stores information about registers. | |
56 | * @panic_info: Stores information about filename and line number. | |
57 | * @stack: Stores the stack dump. | |
58 | * @stack_words: Size of the stack dump. | |
59 | */ | |
60 | static void amd_get_registers(struct snd_sof_dev *sdev, | |
61 | struct sof_ipc_dsp_oops_xtensa *xoops, | |
62 | struct sof_ipc_panic_info *panic_info, | |
63 | u32 *stack, size_t stack_words) | |
64 | { | |
65 | u32 offset = sdev->dsp_oops_offset; | |
66 | ||
67 | /* first read registers */ | |
68 | acp_mailbox_read(sdev, offset, xoops, sizeof(*xoops)); | |
69 | ||
70 | /* then get panic info */ | |
71 | if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) { | |
72 | dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n", | |
73 | xoops->arch_hdr.totalsize); | |
74 | return; | |
75 | } | |
76 | ||
77 | offset += xoops->arch_hdr.totalsize; | |
78 | acp_mailbox_read(sdev, offset, panic_info, sizeof(*panic_info)); | |
79 | ||
80 | /* then get the stack */ | |
81 | offset += sizeof(*panic_info); | |
82 | acp_mailbox_read(sdev, offset, stack, stack_words * sizeof(u32)); | |
83 | } | |
84 | ||
85 | /** | |
86 | * amd_sof_dump() - This function is called when a panic message is | |
87 | * received from the firmware. | |
88 | * @sdev: SOF device. | |
89 | * @flags: parameter not used but required by ops prototype | |
90 | */ | |
91 | void amd_sof_dump(struct snd_sof_dev *sdev, u32 flags) | |
92 | { | |
93 | struct sof_ipc_dsp_oops_xtensa xoops; | |
94 | struct sof_ipc_panic_info panic_info; | |
95 | u32 stack[AMD_STACK_DUMP_SIZE]; | |
96 | u32 status; | |
97 | ||
98 | /* Get information about the panic status from the debug box area. | |
99 | * Compute the trace point based on the status. | |
100 | */ | |
101 | if (sdev->dsp_oops_offset > sdev->debug_box.offset) { | |
102 | acp_mailbox_read(sdev, sdev->debug_box.offset, &status, sizeof(u32)); | |
103 | } else { | |
104 | /* Read DSP Panic status from dsp_box. | |
105 | * As window information for exception box offset and size is not available | |
106 | * before FW_READY | |
107 | */ | |
108 | acp_mailbox_read(sdev, sdev->dsp_box.offset, &status, sizeof(u32)); | |
109 | sdev->dsp_oops_offset = sdev->dsp_box.offset + sizeof(status); | |
110 | } | |
111 | ||
112 | /* Get information about the registers, the filename and line | |
113 | * number and the stack. | |
114 | */ | |
115 | amd_get_registers(sdev, &xoops, &panic_info, stack, AMD_STACK_DUMP_SIZE); | |
116 | ||
117 | /* Print the information to the console */ | |
118 | sof_print_oops_and_stack(sdev, KERN_ERR, status, status, &xoops, | |
119 | &panic_info, stack, AMD_STACK_DUMP_SIZE); | |
120 | } | |
121 | ||
4da6b033 AKP |
122 | struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev) |
123 | { | |
124 | struct snd_sof_pdata *sof_pdata = sdev->pdata; | |
125 | const struct sof_dev_desc *desc = sof_pdata->desc; | |
126 | struct snd_soc_acpi_mach *mach; | |
127 | ||
128 | mach = snd_soc_acpi_find_machine(desc->machines); | |
129 | if (!mach) { | |
130 | dev_warn(sdev->dev, "No matching ASoC machine driver found\n"); | |
131 | return NULL; | |
132 | } | |
133 | ||
134 | sof_pdata->tplg_filename = mach->sof_tplg_filename; | |
135 | sof_pdata->fw_filename = mach->fw_filename; | |
136 | ||
137 | return mach; | |
138 | } | |
139 | ||
140 | /* AMD Common DSP ops */ | |
141 | struct snd_sof_dsp_ops sof_acp_common_ops = { | |
142 | /* probe and remove */ | |
143 | .probe = amd_sof_acp_probe, | |
144 | .remove = amd_sof_acp_remove, | |
145 | ||
146 | /* Register IO */ | |
147 | .write = sof_io_write, | |
148 | .read = sof_io_read, | |
149 | ||
150 | /* Block IO */ | |
151 | .block_read = acp_dsp_block_read, | |
152 | .block_write = acp_dsp_block_write, | |
153 | ||
154 | /*Firmware loading */ | |
155 | .load_firmware = snd_sof_load_firmware_memcpy, | |
156 | .pre_fw_run = acp_dsp_pre_fw_run, | |
157 | .get_bar_index = acp_get_bar_index, | |
158 | ||
159 | /* DSP core boot */ | |
160 | .run = acp_sof_dsp_run, | |
161 | ||
162 | /*IPC */ | |
163 | .send_msg = acp_sof_ipc_send_msg, | |
164 | .ipc_msg_data = acp_sof_ipc_msg_data, | |
aae7e412 | 165 | .set_stream_data_offset = acp_set_stream_data_offset, |
4da6b033 | 166 | .get_mailbox_offset = acp_sof_ipc_get_mailbox_offset, |
40d3c041 | 167 | .get_window_offset = acp_sof_ipc_get_window_offset, |
4da6b033 AKP |
168 | .irq_thread = acp_sof_ipc_irq_thread, |
169 | ||
170 | /* stream callbacks */ | |
171 | .pcm_open = acp_pcm_open, | |
172 | .pcm_close = acp_pcm_close, | |
173 | .pcm_hw_params = acp_pcm_hw_params, | |
df6380dc | 174 | .pcm_pointer = acp_pcm_pointer, |
4da6b033 AKP |
175 | |
176 | .hw_info = SNDRV_PCM_INFO_MMAP | | |
177 | SNDRV_PCM_INFO_MMAP_VALID | | |
178 | SNDRV_PCM_INFO_INTERLEAVED | | |
179 | SNDRV_PCM_INFO_PAUSE | | |
180 | SNDRV_PCM_INFO_NO_PERIOD_WAKEUP, | |
181 | ||
182 | /* Machine driver callbacks */ | |
183 | .machine_select = amd_sof_machine_select, | |
184 | .machine_register = sof_machine_register, | |
185 | .machine_unregister = sof_machine_unregister, | |
186 | ||
187 | /* Trace Logger */ | |
188 | .trace_init = acp_sof_trace_init, | |
189 | .trace_release = acp_sof_trace_release, | |
190 | ||
191 | /* PM */ | |
192 | .suspend = amd_sof_acp_suspend, | |
193 | .resume = amd_sof_acp_resume, | |
41cfad23 R |
194 | |
195 | .ipc_dump = amd_sof_ipc_dump, | |
196 | .dbg_dump = amd_sof_dump, | |
197 | .debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem, | |
198 | .dsp_arch_ops = &sof_xtensa_arch_ops, | |
4da6b033 AKP |
199 | }; |
200 | EXPORT_SYMBOL_NS(sof_acp_common_ops, SND_SOC_SOF_AMD_COMMON); | |
201 | ||
202 | MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON); | |
41cfad23 | 203 | MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); |
4da6b033 AKP |
204 | MODULE_DESCRIPTION("ACP SOF COMMON Driver"); |
205 | MODULE_LICENSE("Dual BSD/GPL"); |