1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2022 Advanced Micro Devices, Inc.
//
// Authors: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
// V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com>
/* ACP-specific Common code */
#include "../sof-priv.h"
#include "../sof-audio.h"
#include "../ops.h"
#include "acp.h"
#include "acp-dsp-offset.h"
#include <sound/sof/xtensa.h>
/**
* amd_sof_ipc_dump() - This function is called when IPC tx times out.
* @sdev: SOF device.
*/
void amd_sof_ipc_dump(struct snd_sof_dev *sdev)
{
const struct sof_amd_acp_desc *desc = get_chip_info(sdev->pdata);
u32 base = desc->dsp_intr_base;
u32 dsp_msg_write = sdev->debug_box.offset +
offsetof(struct scratch_ipc_conf, sof_dsp_msg_write);
u32 dsp_ack_write = sdev->debug_box.offset +
offsetof(struct scratch_ipc_conf, sof_dsp_ack_write);
u32 host_msg_write = sdev->debug_box.offset +
offsetof(struct scratch_ipc_conf, sof_host_msg_write);
u32 host_ack_write = sdev->debug_box.offset +
offsetof(struct scratch_ipc_conf, sof_host_ack_write);
u32 dsp_msg, dsp_ack, host_msg, host_ack, irq_stat;
dsp_msg = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + dsp_msg_write);
dsp_ack = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + dsp_ack_write);
host_msg = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + host_msg_write);
host_ack = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + host_ack_write);
irq_stat = snd_sof_dsp_read(sdev, ACP_DSP_BAR, base + DSP_SW_INTR_STAT_OFFSET);
dev_err(sdev->dev,
"dsp_msg = %#x dsp_ack = %#x host_msg = %#x host_ack = %#x irq_stat = %#x\n",
dsp_msg, dsp_ack, host_msg, host_ack, irq_stat);
}
/**
* amd_get_registers() - This function is called in case of DSP oops
* in order to gather information about the registers, filename and
* linenumber and stack.
* @sdev: SOF device.
* @xoops: Stores information about registers.
* @panic_info: Stores information about filename and line number.
* @stack: Stores the stack dump.
* @stack_words: Size of the stack dump.
*/
static void amd_get_registers(struct snd_sof_dev *sdev,
struct sof_ipc_dsp_oops_xtensa *xoops,
struct sof_ipc_panic_info *panic_info,
u32 *stack, size_t stack_words)
{
u32 offset = sdev->dsp_oops_offset;
/* first read registers */
acp_mailbox_read(sdev, offset, xoops, sizeof(*xoops));
/* then get panic info */
if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) {
dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n",
xoops->arch_hdr.totalsize);
return;
}
offset += xoops->arch_hdr.totalsize;
acp_mailbox_read(sdev, offset, panic_info, sizeof(*panic_info));
/* then get the stack */
offset += sizeof(*panic_info);
acp_mailbox_read(sdev, offset, stack, stack_words * sizeof(u32));
}
/**
* amd_sof_dump() - This function is called when a panic message is
* received from the firmware.
* @sdev: SOF device.
* @flags: parameter not used but required by ops prototype
*/
void amd_sof_dump(struct snd_sof_dev *sdev, u32 flags)
{
struct sof_ipc_dsp_oops_xtensa xoops;
struct sof_ipc_panic_info panic_info;
u32 stack[AMD_STACK_DUMP_SIZE];
u32 status;
/* Get information about the panic status from the debug box area.
* Compute the trace point based on the status.
*/
if (sdev->dsp_oops_offset > sdev->debug_box.offset) {
acp_mailbox_read(sdev, sdev->debug_box.offset, &status, sizeof(u32));
} else {
/* Read DSP Panic status from dsp_box.
* As window information for exception box offset and size is not available
* before FW_READY
*/
acp_mailbox_read(sdev, sdev->dsp_box.offset, &status, sizeof(u32));
sdev->dsp_oops_offset = sdev->dsp_box.offset + sizeof(status);
}
/* Get information about the registers, the filename and line
* number and the stack.
*/
amd_get_registers(sdev, &xoops, &panic_info, stack, AMD_STACK_DUMP_SIZE);
/* Print the information to the console */
sof_print_oops_and_stack(sdev, KERN_ERR, status, status, &xoops,
&panic_info, stack, AMD_STACK_DUMP_SIZE);
}
#if IS_ENABLED(CONFIG_SND_SOC_SOF_AMD_SOUNDWIRE)
static int amd_sof_sdw_get_slave_info(struct snd_sof_dev *sdev)
{
struct acp_dev_data *acp_data = sdev->pdata->hw_pdata;
return sdw_amd_get_slave_info(acp_data->sdw);
}
static struct snd_soc_acpi_mach *amd_sof_sdw_machine_select(struct snd_sof_dev *sdev)
{
struct snd_soc_acpi_mach *mach;
const struct snd_soc_acpi_link_adr *link;
struct acp_dev_data *acp_data = sdev->pdata->hw_pdata;
int ret, i;
if (acp_data->info.count) {
ret = amd_sof_sdw_get_slave_info(sdev);
if (ret) {
dev_info(sdev->dev, "failed to read slave information\n");
return NULL;
}
for (mach = sdev->pdata->desc->alt_machines; mach; mach++) {
if (!mach->links)
break;
link = mach->links;
for (i = 0; i < acp_data->info.count && link->num_adr; link++, i++) {
if (!snd_soc_acpi_sdw_link_slaves_found(sdev->dev, link,
acp_data->sdw->ids,
acp_data->sdw->num_slaves))
break;
}
if (i == acp_data->info.count || !link->num_adr)
break;
}
if (mach && mach->link_mask) {
mach->mach_params.links = mach->links;
mach->mach_params.link_mask = mach->link_mask;
mach->mach_params.platform = dev_name(sdev->dev);
return mach;
}
}
dev_info(sdev->dev, "No SoundWire machine driver found\n");
return NULL;
}
#else
static struct snd_soc_acpi_mach *amd_sof_sdw_machine_select(struct snd_sof_dev *sdev)
{
return NULL;
}
#endif
struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev)
{
struct snd_sof_pdata *sof_pdata = sdev->pdata;
const struct sof_dev_desc *desc = sof_pdata->desc;
struct snd_soc_acpi_mach *mach = NULL;
if (desc->machines)
mach = snd_soc_acpi_find_machine(desc->machines);
if (!mach) {
mach = amd_sof_sdw_machine_select(sdev);
if (!mach) {
dev_warn(sdev->dev, "No matching ASoC machine driver found\n");
return NULL;
}
}
sof_pdata->tplg_filename = mach->sof_tplg_filename;
sof_pdata->fw_filename = mach->fw_filename;
return mach;
}
/* AMD Common DSP ops */
const struct snd_sof_dsp_ops sof_acp_common_ops = {
/* probe and remove */
.probe = amd_sof_acp_probe,
.remove = amd_sof_acp_remove,
/* Register IO */
.write = sof_io_write,
.read = sof_io_read,
/* Block IO */
.block_read = acp_dsp_block_read,
.block_write = acp_dsp_block_write,
/*Firmware loading */
.load_firmware = snd_sof_load_firmware_memcpy,
.pre_fw_run = acp_dsp_pre_fw_run,
.get_bar_index = acp_get_bar_index,
/* DSP core boot */
.run = acp_sof_dsp_run,
/*IPC */
.send_msg = acp_sof_ipc_send_msg,
.ipc_msg_data = acp_sof_ipc_msg_data,
.set_stream_data_offset = acp_set_stream_data_offset,
.get_mailbox_offset = acp_sof_ipc_get_mailbox_offset,
.get_window_offset = acp_sof_ipc_get_window_offset,
.irq_thread = acp_sof_ipc_irq_thread,
/* stream callbacks */
.pcm_open = acp_pcm_open,
.pcm_close = acp_pcm_close,
.pcm_hw_params = acp_pcm_hw_params,
.pcm_pointer = acp_pcm_pointer,
.hw_info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
/* Machine driver callbacks */
.machine_select = amd_sof_machine_select,
.machine_register = sof_machine_register,
.machine_unregister = sof_machine_unregister,
/* Trace Logger */
.trace_init = acp_sof_trace_init,
.trace_release = acp_sof_trace_release,
/* PM */
.suspend = amd_sof_acp_suspend,
.resume = amd_sof_acp_resume,
.ipc_dump = amd_sof_ipc_dump,
.dbg_dump = amd_sof_dump,
.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
.dsp_arch_ops = &sof_xtensa_arch_ops,
/* probe client device registation */
.register_ipc_clients = acp_probes_register,
.unregister_ipc_clients = acp_probes_unregister,
};
EXPORT_SYMBOL_NS(sof_acp_common_ops, SND_SOC_SOF_AMD_COMMON);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("ACP SOF COMMON Driver");
MODULE_IMPORT_NS(SND_SOC_SOF_AMD_COMMON);
MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
MODULE_IMPORT_NS(SOUNDWIRE_AMD_INIT);
|
