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8#include <linux/pci.h>
9#include <linux/debugfs.h>
10#include <uapi/sound/skl-tplg-interface.h>
11#include "skl.h"
12#include "skl-sst-dsp.h"
13#include "skl-sst-ipc.h"
14#include "skl-topology.h"
15#include "../common/sst-dsp.h"
16#include "../common/sst-dsp-priv.h"
17
18#define MOD_BUF PAGE_SIZE
19#define FW_REG_BUF PAGE_SIZE
20#define FW_REG_SIZE 0x60
21
22struct skl_debug {
23 struct skl *skl;
24 struct device *dev;
25
26 struct dentry *fs;
27 struct dentry *modules;
28 u8 fw_read_buff[FW_REG_BUF];
29};
30
31static ssize_t skl_print_pins(struct skl_module_pin *m_pin, char *buf,
32 int max_pin, ssize_t size, bool direction)
33{
34 int i;
35 ssize_t ret = 0;
36
37 for (i = 0; i < max_pin; i++)
38 ret += snprintf(buf + size, MOD_BUF - size,
39 "%s %d\n\tModule %d\n\tInstance %d\n\t"
40 "In-used %s\n\tType %s\n"
41 "\tState %d\n\tIndex %d\n",
42 direction ? "Input Pin:" : "Output Pin:",
43 i, m_pin[i].id.module_id,
44 m_pin[i].id.instance_id,
45 m_pin[i].in_use ? "Used" : "Unused",
46 m_pin[i].is_dynamic ? "Dynamic" : "Static",
47 m_pin[i].pin_state, i);
48 return ret;
49}
50
51static ssize_t skl_print_fmt(struct skl_module_fmt *fmt, char *buf,
52 ssize_t size, bool direction)
53{
54 return snprintf(buf + size, MOD_BUF - size,
55 "%s\n\tCh %d\n\tFreq %d\n\tBit depth %d\n\t"
56 "Valid bit depth %d\n\tCh config %#x\n\tInterleaving %d\n\t"
57 "Sample Type %d\n\tCh Map %#x\n",
58 direction ? "Input Format:" : "Output Format:",
59 fmt->channels, fmt->s_freq, fmt->bit_depth,
60 fmt->valid_bit_depth, fmt->ch_cfg,
61 fmt->interleaving_style, fmt->sample_type,
62 fmt->ch_map);
63}
64
65static ssize_t module_read(struct file *file, char __user *user_buf,
66 size_t count, loff_t *ppos)
67{
68 struct skl_module_cfg *mconfig = file->private_data;
69 char *buf;
70 ssize_t ret;
71
72 buf = kzalloc(MOD_BUF, GFP_KERNEL);
73 if (!buf)
74 return -ENOMEM;
75
76 ret = snprintf(buf, MOD_BUF, "Module:\n\tUUID %pUL\n\tModule id %d\n"
77 "\tInstance id %d\n\tPvt_id %d\n", mconfig->guid,
78 mconfig->id.module_id, mconfig->id.instance_id,
79 mconfig->id.pvt_id);
80
81 ret += snprintf(buf + ret, MOD_BUF - ret,
82 "Resources:\n\tMCPS %#x\n\tIBS %#x\n\tOBS %#x\t\n",
83 mconfig->mcps, mconfig->ibs, mconfig->obs);
84
85 ret += snprintf(buf + ret, MOD_BUF - ret,
86 "Module data:\n\tCore %d\n\tIn queue %d\n\t"
87 "Out queue %d\n\tType %s\n",
88 mconfig->core_id, mconfig->max_in_queue,
89 mconfig->max_out_queue,
90 mconfig->is_loadable ? "loadable" : "inbuilt");
91
92 ret += skl_print_fmt(mconfig->in_fmt, buf, ret, true);
93 ret += skl_print_fmt(mconfig->out_fmt, buf, ret, false);
94
95 ret += snprintf(buf + ret, MOD_BUF - ret,
96 "Fixup:\n\tParams %#x\n\tConverter %#x\n",
97 mconfig->params_fixup, mconfig->converter);
98
99 ret += snprintf(buf + ret, MOD_BUF - ret,
100 "Module Gateway:\n\tType %#x\n\tVbus %#x\n\tHW conn %#x\n\tSlot %#x\n",
101 mconfig->dev_type, mconfig->vbus_id,
102 mconfig->hw_conn_type, mconfig->time_slot);
103
104 ret += snprintf(buf + ret, MOD_BUF - ret,
105 "Pipeline:\n\tID %d\n\tPriority %d\n\tConn Type %d\n\t"
106 "Pages %#x\n", mconfig->pipe->ppl_id,
107 mconfig->pipe->pipe_priority, mconfig->pipe->conn_type,
108 mconfig->pipe->memory_pages);
109
110 ret += snprintf(buf + ret, MOD_BUF - ret,
111 "\tParams:\n\t\tHost DMA %d\n\t\tLink DMA %d\n",
112 mconfig->pipe->p_params->host_dma_id,
113 mconfig->pipe->p_params->link_dma_id);
114
115 ret += snprintf(buf + ret, MOD_BUF - ret,
116 "\tPCM params:\n\t\tCh %d\n\t\tFreq %d\n\t\tFormat %d\n",
117 mconfig->pipe->p_params->ch,
118 mconfig->pipe->p_params->s_freq,
119 mconfig->pipe->p_params->s_fmt);
120
121 ret += snprintf(buf + ret, MOD_BUF - ret,
122 "\tLink %#x\n\tStream %#x\n",
123 mconfig->pipe->p_params->linktype,
124 mconfig->pipe->p_params->stream);
125
126 ret += snprintf(buf + ret, MOD_BUF - ret,
127 "\tState %d\n\tPassthru %s\n",
128 mconfig->pipe->state,
129 mconfig->pipe->passthru ? "true" : "false");
130
131 ret += skl_print_pins(mconfig->m_in_pin, buf,
132 mconfig->max_in_queue, ret, true);
133 ret += skl_print_pins(mconfig->m_out_pin, buf,
134 mconfig->max_out_queue, ret, false);
135
136 ret += snprintf(buf + ret, MOD_BUF - ret,
137 "Other:\n\tDomain %d\n\tHomogeneous Input %s\n\t"
138 "Homogeneous Output %s\n\tIn Queue Mask %d\n\t"
139 "Out Queue Mask %d\n\tDMA ID %d\n\tMem Pages %d\n\t"
140 "Module Type %d\n\tModule State %d\n",
141 mconfig->domain,
142 mconfig->homogenous_inputs ? "true" : "false",
143 mconfig->homogenous_outputs ? "true" : "false",
144 mconfig->in_queue_mask, mconfig->out_queue_mask,
145 mconfig->dma_id, mconfig->mem_pages, mconfig->m_state,
146 mconfig->m_type);
147
148 ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
149
150 kfree(buf);
151 return ret;
152}
153
154static const struct file_operations mcfg_fops = {
155 .open = simple_open,
156 .read = module_read,
157 .llseek = default_llseek,
158};
159
160
161void skl_debug_init_module(struct skl_debug *d,
162 struct snd_soc_dapm_widget *w,
163 struct skl_module_cfg *mconfig)
164{
165 if (!debugfs_create_file(w->name, 0444,
166 d->modules, mconfig,
167 &mcfg_fops))
168 dev_err(d->dev, "%s: module debugfs init failed\n", w->name);
169}
170
171static ssize_t fw_softreg_read(struct file *file, char __user *user_buf,
172 size_t count, loff_t *ppos)
173{
174 struct skl_debug *d = file->private_data;
175 struct sst_dsp *sst = d->skl->skl_sst->dsp;
176 size_t w0_stat_sz = sst->addr.w0_stat_sz;
177 void __iomem *in_base = sst->mailbox.in_base;
178 void __iomem *fw_reg_addr;
179 unsigned int offset;
180 char *tmp;
181 ssize_t ret = 0;
182
183 tmp = kzalloc(FW_REG_BUF, GFP_KERNEL);
184 if (!tmp)
185 return -ENOMEM;
186
187 fw_reg_addr = in_base - w0_stat_sz;
188 memset(d->fw_read_buff, 0, FW_REG_BUF);
189
190 if (w0_stat_sz > 0)
191 __iowrite32_copy(d->fw_read_buff, fw_reg_addr, w0_stat_sz >> 2);
192
193 for (offset = 0; offset < FW_REG_SIZE; offset += 16) {
194 ret += snprintf(tmp + ret, FW_REG_BUF - ret, "%#.4x: ", offset);
195 hex_dump_to_buffer(d->fw_read_buff + offset, 16, 16, 4,
196 tmp + ret, FW_REG_BUF - ret, 0);
197 ret += strlen(tmp + ret);
198
199
200 if (FW_REG_BUF - ret > 0)
201 tmp[ret++] = '\n';
202 }
203
204 ret = simple_read_from_buffer(user_buf, count, ppos, tmp, ret);
205 kfree(tmp);
206
207 return ret;
208}
209
210static const struct file_operations soft_regs_ctrl_fops = {
211 .open = simple_open,
212 .read = fw_softreg_read,
213 .llseek = default_llseek,
214};
215
216struct skl_debug *skl_debugfs_init(struct skl *skl)
217{
218 struct skl_debug *d;
219
220 d = devm_kzalloc(&skl->pci->dev, sizeof(*d), GFP_KERNEL);
221 if (!d)
222 return NULL;
223
224
225 d->fs = debugfs_create_dir("dsp",
226 skl->component->debugfs_root);
227 if (IS_ERR(d->fs) || !d->fs) {
228 dev_err(&skl->pci->dev, "debugfs root creation failed\n");
229 return NULL;
230 }
231
232 d->skl = skl;
233 d->dev = &skl->pci->dev;
234
235
236 d->modules = debugfs_create_dir("modules", d->fs);
237 if (IS_ERR(d->modules) || !d->modules) {
238 dev_err(&skl->pci->dev, "modules debugfs create failed\n");
239 goto err;
240 }
241
242 if (!debugfs_create_file("fw_soft_regs_rd", 0444, d->fs, d,
243 &soft_regs_ctrl_fops)) {
244 dev_err(d->dev, "fw soft regs control debugfs init failed\n");
245 goto err;
246 }
247
248 return d;
249
250err:
251 debugfs_remove_recursive(d->fs);
252 return NULL;
253}
254
