18e8e69d6SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
25cdf6c09SVinod Koul /*
35cdf6c09SVinod Koul * skl-debug.c - Debugfs for skl driver
45cdf6c09SVinod Koul *
55cdf6c09SVinod Koul * Copyright (C) 2016-17 Intel Corp
65cdf6c09SVinod Koul */
75cdf6c09SVinod Koul
85cdf6c09SVinod Koul #include <linux/pci.h>
95cdf6c09SVinod Koul #include <linux/debugfs.h>
100c24fdc0SGuenter Roeck #include <uapi/sound/skl-tplg-interface.h>
115cdf6c09SVinod Koul #include "skl.h"
12bdd0384aSVunny Sodhi #include "skl-sst-dsp.h"
13bdd0384aSVunny Sodhi #include "skl-sst-ipc.h"
14d14700a0SVinod Koul #include "skl-topology.h"
1558be7753SVinod Koul #include "../common/sst-dsp.h"
16bdd0384aSVunny Sodhi #include "../common/sst-dsp-priv.h"
17d14700a0SVinod Koul
18d14700a0SVinod Koul #define MOD_BUF PAGE_SIZE
19bdd0384aSVunny Sodhi #define FW_REG_BUF PAGE_SIZE
20bdd0384aSVunny Sodhi #define FW_REG_SIZE 0x60
215cdf6c09SVinod Koul
225cdf6c09SVinod Koul struct skl_debug {
23bcc2a2dcSCezary Rojewski struct skl_dev *skl;
245cdf6c09SVinod Koul struct device *dev;
255cdf6c09SVinod Koul
265cdf6c09SVinod Koul struct dentry *fs;
27d14700a0SVinod Koul struct dentry *modules;
28bdd0384aSVunny Sodhi u8 fw_read_buff[FW_REG_BUF];
295cdf6c09SVinod Koul };
305cdf6c09SVinod Koul
skl_print_pins(struct skl_module_pin * m_pin,char * buf,int max_pin,ssize_t size,bool direction)31d14700a0SVinod Koul static ssize_t skl_print_pins(struct skl_module_pin *m_pin, char *buf,
32d14700a0SVinod Koul int max_pin, ssize_t size, bool direction)
33d14700a0SVinod Koul {
34d14700a0SVinod Koul int i;
35d14700a0SVinod Koul ssize_t ret = 0;
36d14700a0SVinod Koul
3764bbacc5STakashi Iwai for (i = 0; i < max_pin; i++) {
38549cd0baSTakashi Iwai ret += scnprintf(buf + size, MOD_BUF - size,
39d14700a0SVinod Koul "%s %d\n\tModule %d\n\tInstance %d\n\t"
40d14700a0SVinod Koul "In-used %s\n\tType %s\n"
41d14700a0SVinod Koul "\tState %d\n\tIndex %d\n",
42d14700a0SVinod Koul direction ? "Input Pin:" : "Output Pin:",
43d14700a0SVinod Koul i, m_pin[i].id.module_id,
44d14700a0SVinod Koul m_pin[i].id.instance_id,
45d14700a0SVinod Koul m_pin[i].in_use ? "Used" : "Unused",
46d14700a0SVinod Koul m_pin[i].is_dynamic ? "Dynamic" : "Static",
47d14700a0SVinod Koul m_pin[i].pin_state, i);
4864bbacc5STakashi Iwai size += ret;
4964bbacc5STakashi Iwai }
50d14700a0SVinod Koul return ret;
51d14700a0SVinod Koul }
52d14700a0SVinod Koul
skl_print_fmt(struct skl_module_fmt * fmt,char * buf,ssize_t size,bool direction)53d14700a0SVinod Koul static ssize_t skl_print_fmt(struct skl_module_fmt *fmt, char *buf,
54d14700a0SVinod Koul ssize_t size, bool direction)
55d14700a0SVinod Koul {
56549cd0baSTakashi Iwai return scnprintf(buf + size, MOD_BUF - size,
57d14700a0SVinod Koul "%s\n\tCh %d\n\tFreq %d\n\tBit depth %d\n\t"
58d14700a0SVinod Koul "Valid bit depth %d\n\tCh config %#x\n\tInterleaving %d\n\t"
59d14700a0SVinod Koul "Sample Type %d\n\tCh Map %#x\n",
60d14700a0SVinod Koul direction ? "Input Format:" : "Output Format:",
61d14700a0SVinod Koul fmt->channels, fmt->s_freq, fmt->bit_depth,
62d14700a0SVinod Koul fmt->valid_bit_depth, fmt->ch_cfg,
63d14700a0SVinod Koul fmt->interleaving_style, fmt->sample_type,
64d14700a0SVinod Koul fmt->ch_map);
65d14700a0SVinod Koul }
66d14700a0SVinod Koul
module_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)67d14700a0SVinod Koul static ssize_t module_read(struct file *file, char __user *user_buf,
68d14700a0SVinod Koul size_t count, loff_t *ppos)
69d14700a0SVinod Koul {
70d14700a0SVinod Koul struct skl_module_cfg *mconfig = file->private_data;
7184b71067SCezary Rojewski struct skl_module *module = mconfig->module;
7284b71067SCezary Rojewski struct skl_module_res *res = &module->resources[mconfig->res_idx];
73d14700a0SVinod Koul char *buf;
74d14700a0SVinod Koul ssize_t ret;
75d14700a0SVinod Koul
76d14700a0SVinod Koul buf = kzalloc(MOD_BUF, GFP_KERNEL);
77d14700a0SVinod Koul if (!buf)
78d14700a0SVinod Koul return -ENOMEM;
79d14700a0SVinod Koul
80549cd0baSTakashi Iwai ret = scnprintf(buf, MOD_BUF, "Module:\n\tUUID %pUL\n\tModule id %d\n"
81d14700a0SVinod Koul "\tInstance id %d\n\tPvt_id %d\n", mconfig->guid,
82d14700a0SVinod Koul mconfig->id.module_id, mconfig->id.instance_id,
83d14700a0SVinod Koul mconfig->id.pvt_id);
84d14700a0SVinod Koul
85549cd0baSTakashi Iwai ret += scnprintf(buf + ret, MOD_BUF - ret,
8684b71067SCezary Rojewski "Resources:\n\tCPC %#x\n\tIBS %#x\n\tOBS %#x\t\n",
8784b71067SCezary Rojewski res->cpc, res->ibs, res->obs);
88d14700a0SVinod Koul
89549cd0baSTakashi Iwai ret += scnprintf(buf + ret, MOD_BUF - ret,
90d14700a0SVinod Koul "Module data:\n\tCore %d\n\tIn queue %d\n\t"
91d14700a0SVinod Koul "Out queue %d\n\tType %s\n",
92d14700a0SVinod Koul mconfig->core_id, mconfig->max_in_queue,
93d14700a0SVinod Koul mconfig->max_out_queue,
94d14700a0SVinod Koul mconfig->is_loadable ? "loadable" : "inbuilt");
95d14700a0SVinod Koul
96d14700a0SVinod Koul ret += skl_print_fmt(mconfig->in_fmt, buf, ret, true);
97d14700a0SVinod Koul ret += skl_print_fmt(mconfig->out_fmt, buf, ret, false);
98d14700a0SVinod Koul
99549cd0baSTakashi Iwai ret += scnprintf(buf + ret, MOD_BUF - ret,
100d14700a0SVinod Koul "Fixup:\n\tParams %#x\n\tConverter %#x\n",
101d14700a0SVinod Koul mconfig->params_fixup, mconfig->converter);
102d14700a0SVinod Koul
103549cd0baSTakashi Iwai ret += scnprintf(buf + ret, MOD_BUF - ret,
104d14700a0SVinod Koul "Module Gateway:\n\tType %#x\n\tVbus %#x\n\tHW conn %#x\n\tSlot %#x\n",
105d14700a0SVinod Koul mconfig->dev_type, mconfig->vbus_id,
106d14700a0SVinod Koul mconfig->hw_conn_type, mconfig->time_slot);
107d14700a0SVinod Koul
108549cd0baSTakashi Iwai ret += scnprintf(buf + ret, MOD_BUF - ret,
109d14700a0SVinod Koul "Pipeline:\n\tID %d\n\tPriority %d\n\tConn Type %d\n\t"
110d14700a0SVinod Koul "Pages %#x\n", mconfig->pipe->ppl_id,
111d14700a0SVinod Koul mconfig->pipe->pipe_priority, mconfig->pipe->conn_type,
112d14700a0SVinod Koul mconfig->pipe->memory_pages);
113d14700a0SVinod Koul
114549cd0baSTakashi Iwai ret += scnprintf(buf + ret, MOD_BUF - ret,
115d14700a0SVinod Koul "\tParams:\n\t\tHost DMA %d\n\t\tLink DMA %d\n",
116d14700a0SVinod Koul mconfig->pipe->p_params->host_dma_id,
117d14700a0SVinod Koul mconfig->pipe->p_params->link_dma_id);
118d14700a0SVinod Koul
119549cd0baSTakashi Iwai ret += scnprintf(buf + ret, MOD_BUF - ret,
120d14700a0SVinod Koul "\tPCM params:\n\t\tCh %d\n\t\tFreq %d\n\t\tFormat %d\n",
121d14700a0SVinod Koul mconfig->pipe->p_params->ch,
122d14700a0SVinod Koul mconfig->pipe->p_params->s_freq,
123d14700a0SVinod Koul mconfig->pipe->p_params->s_fmt);
124d14700a0SVinod Koul
125549cd0baSTakashi Iwai ret += scnprintf(buf + ret, MOD_BUF - ret,
126d14700a0SVinod Koul "\tLink %#x\n\tStream %#x\n",
127d14700a0SVinod Koul mconfig->pipe->p_params->linktype,
128d14700a0SVinod Koul mconfig->pipe->p_params->stream);
129d14700a0SVinod Koul
130549cd0baSTakashi Iwai ret += scnprintf(buf + ret, MOD_BUF - ret,
131d14700a0SVinod Koul "\tState %d\n\tPassthru %s\n",
132d14700a0SVinod Koul mconfig->pipe->state,
133d14700a0SVinod Koul mconfig->pipe->passthru ? "true" : "false");
134d14700a0SVinod Koul
135d14700a0SVinod Koul ret += skl_print_pins(mconfig->m_in_pin, buf,
136d14700a0SVinod Koul mconfig->max_in_queue, ret, true);
137d14700a0SVinod Koul ret += skl_print_pins(mconfig->m_out_pin, buf,
138d14700a0SVinod Koul mconfig->max_out_queue, ret, false);
139d14700a0SVinod Koul
140549cd0baSTakashi Iwai ret += scnprintf(buf + ret, MOD_BUF - ret,
1417608102eSColin Ian King "Other:\n\tDomain %d\n\tHomogeneous Input %s\n\t"
1427608102eSColin Ian King "Homogeneous Output %s\n\tIn Queue Mask %d\n\t"
143d14700a0SVinod Koul "Out Queue Mask %d\n\tDMA ID %d\n\tMem Pages %d\n\t"
144d14700a0SVinod Koul "Module Type %d\n\tModule State %d\n",
145d14700a0SVinod Koul mconfig->domain,
146d14700a0SVinod Koul mconfig->homogenous_inputs ? "true" : "false",
147d14700a0SVinod Koul mconfig->homogenous_outputs ? "true" : "false",
148d14700a0SVinod Koul mconfig->in_queue_mask, mconfig->out_queue_mask,
149d14700a0SVinod Koul mconfig->dma_id, mconfig->mem_pages, mconfig->m_state,
150d14700a0SVinod Koul mconfig->m_type);
151d14700a0SVinod Koul
152d14700a0SVinod Koul ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
153d14700a0SVinod Koul
154d14700a0SVinod Koul kfree(buf);
155d14700a0SVinod Koul return ret;
156d14700a0SVinod Koul }
157d14700a0SVinod Koul
158d14700a0SVinod Koul static const struct file_operations mcfg_fops = {
159d14700a0SVinod Koul .open = simple_open,
160d14700a0SVinod Koul .read = module_read,
161d14700a0SVinod Koul .llseek = default_llseek,
162d14700a0SVinod Koul };
163d14700a0SVinod Koul
164d14700a0SVinod Koul
skl_debug_init_module(struct skl_debug * d,struct snd_soc_dapm_widget * w,struct skl_module_cfg * mconfig)165d14700a0SVinod Koul void skl_debug_init_module(struct skl_debug *d,
166d14700a0SVinod Koul struct snd_soc_dapm_widget *w,
167d14700a0SVinod Koul struct skl_module_cfg *mconfig)
168d14700a0SVinod Koul {
169d8701faeSGreg Kroah-Hartman debugfs_create_file(w->name, 0444, d->modules, mconfig,
170d8701faeSGreg Kroah-Hartman &mcfg_fops);
171d14700a0SVinod Koul }
172d14700a0SVinod Koul
fw_softreg_read(struct file * file,char __user * user_buf,size_t count,loff_t * ppos)173bdd0384aSVunny Sodhi static ssize_t fw_softreg_read(struct file *file, char __user *user_buf,
174bdd0384aSVunny Sodhi size_t count, loff_t *ppos)
175bdd0384aSVunny Sodhi {
176bdd0384aSVunny Sodhi struct skl_debug *d = file->private_data;
177bcc2a2dcSCezary Rojewski struct sst_dsp *sst = d->skl->dsp;
178bdd0384aSVunny Sodhi size_t w0_stat_sz = sst->addr.w0_stat_sz;
179bdd0384aSVunny Sodhi void __iomem *in_base = sst->mailbox.in_base;
180bdd0384aSVunny Sodhi void __iomem *fw_reg_addr;
181bdd0384aSVunny Sodhi unsigned int offset;
182bdd0384aSVunny Sodhi char *tmp;
183bdd0384aSVunny Sodhi ssize_t ret = 0;
184bdd0384aSVunny Sodhi
185bdd0384aSVunny Sodhi tmp = kzalloc(FW_REG_BUF, GFP_KERNEL);
186bdd0384aSVunny Sodhi if (!tmp)
187bdd0384aSVunny Sodhi return -ENOMEM;
188bdd0384aSVunny Sodhi
189bdd0384aSVunny Sodhi fw_reg_addr = in_base - w0_stat_sz;
190bdd0384aSVunny Sodhi memset(d->fw_read_buff, 0, FW_REG_BUF);
191bdd0384aSVunny Sodhi
192bdd0384aSVunny Sodhi if (w0_stat_sz > 0)
19317d29ff9SAmadeusz Sławiński __ioread32_copy(d->fw_read_buff, fw_reg_addr, w0_stat_sz >> 2);
194bdd0384aSVunny Sodhi
195bdd0384aSVunny Sodhi for (offset = 0; offset < FW_REG_SIZE; offset += 16) {
196549cd0baSTakashi Iwai ret += scnprintf(tmp + ret, FW_REG_BUF - ret, "%#.4x: ", offset);
197bdd0384aSVunny Sodhi hex_dump_to_buffer(d->fw_read_buff + offset, 16, 16, 4,
198bdd0384aSVunny Sodhi tmp + ret, FW_REG_BUF - ret, 0);
199bdd0384aSVunny Sodhi ret += strlen(tmp + ret);
200bdd0384aSVunny Sodhi
201bdd0384aSVunny Sodhi /* print newline for each offset */
202bdd0384aSVunny Sodhi if (FW_REG_BUF - ret > 0)
203bdd0384aSVunny Sodhi tmp[ret++] = '\n';
204bdd0384aSVunny Sodhi }
205bdd0384aSVunny Sodhi
206bdd0384aSVunny Sodhi ret = simple_read_from_buffer(user_buf, count, ppos, tmp, ret);
207bdd0384aSVunny Sodhi kfree(tmp);
208bdd0384aSVunny Sodhi
209bdd0384aSVunny Sodhi return ret;
210bdd0384aSVunny Sodhi }
211bdd0384aSVunny Sodhi
212bdd0384aSVunny Sodhi static const struct file_operations soft_regs_ctrl_fops = {
213bdd0384aSVunny Sodhi .open = simple_open,
214bdd0384aSVunny Sodhi .read = fw_softreg_read,
215bdd0384aSVunny Sodhi .llseek = default_llseek,
216bdd0384aSVunny Sodhi };
217bdd0384aSVunny Sodhi
skl_debugfs_init(struct skl_dev * skl)218bcc2a2dcSCezary Rojewski struct skl_debug *skl_debugfs_init(struct skl_dev *skl)
2195cdf6c09SVinod Koul {
2205cdf6c09SVinod Koul struct skl_debug *d;
2215cdf6c09SVinod Koul
2225cdf6c09SVinod Koul d = devm_kzalloc(&skl->pci->dev, sizeof(*d), GFP_KERNEL);
2235cdf6c09SVinod Koul if (!d)
2245cdf6c09SVinod Koul return NULL;
2255cdf6c09SVinod Koul
2265cdf6c09SVinod Koul /* create the debugfs dir with platform component's debugfs as parent */
227d8701faeSGreg Kroah-Hartman d->fs = debugfs_create_dir("dsp", skl->component->debugfs_root);
2285cdf6c09SVinod Koul
2295cdf6c09SVinod Koul d->skl = skl;
2305cdf6c09SVinod Koul d->dev = &skl->pci->dev;
2315cdf6c09SVinod Koul
232d14700a0SVinod Koul /* now create the module dir */
233d14700a0SVinod Koul d->modules = debugfs_create_dir("modules", d->fs);
234d14700a0SVinod Koul
235d8701faeSGreg Kroah-Hartman debugfs_create_file("fw_soft_regs_rd", 0444, d->fs, d,
236d8701faeSGreg Kroah-Hartman &soft_regs_ctrl_fops);
237bdd0384aSVunny Sodhi
2385cdf6c09SVinod Koul return d;
2395cdf6c09SVinod Koul }
2405b8e4c1cSAmadeusz Sławiński
skl_debugfs_exit(struct skl_dev * skl)241bcc2a2dcSCezary Rojewski void skl_debugfs_exit(struct skl_dev *skl)
2425b8e4c1cSAmadeusz Sławiński {
2435b8e4c1cSAmadeusz Sławiński struct skl_debug *d = skl->debugfs;
2445b8e4c1cSAmadeusz Sławiński
2455b8e4c1cSAmadeusz Sławiński debugfs_remove_recursive(d->fs);
2465b8e4c1cSAmadeusz Sławiński
2475b8e4c1cSAmadeusz Sławiński d = NULL;
2485b8e4c1cSAmadeusz Sławiński }
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