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// SPDX-License-Identifier: GPL-2.0-only
/*
* skl-debug.c - Debugfs for skl driver
*
* Copyright (C) 2016-17 Intel Corp
*/
#include <linux/pci.h>
#include <linux/debugfs.h>
#include <uapi/sound/skl-tplg-interface.h>
#include "skl.h"
#include "skl-sst-dsp.h"
#include "skl-sst-ipc.h"
#include "skl-topology.h"
#include "../common/sst-dsp.h"
#include "../common/sst-dsp-priv.h"
#define MOD_BUF PAGE_SIZE
#define FW_REG_BUF PAGE_SIZE
#define FW_REG_SIZE 0x60
struct skl_debug {
struct skl *skl;
struct device *dev;
struct dentry *fs;
struct dentry *modules;
u8 fw_read_buff[FW_REG_BUF];
};
static ssize_t skl_print_pins(struct skl_module_pin *m_pin, char *buf,
int max_pin, ssize_t size, bool direction)
{
int i;
ssize_t ret = 0;
for (i = 0; i < max_pin; i++)
ret += snprintf(buf + size, MOD_BUF - size,
"%s %d\n\tModule %d\n\tInstance %d\n\t"
"In-used %s\n\tType %s\n"
"\tState %d\n\tIndex %d\n",
direction ? "Input Pin:" : "Output Pin:",
i, m_pin[i].id.module_id,
m_pin[i].id.instance_id,
m_pin[i].in_use ? "Used" : "Unused",
m_pin[i].is_dynamic ? "Dynamic" : "Static",
m_pin[i].pin_state, i);
return ret;
}
static ssize_t skl_print_fmt(struct skl_module_fmt *fmt, char *buf,
ssize_t size, bool direction)
{
return snprintf(buf + size, MOD_BUF - size,
"%s\n\tCh %d\n\tFreq %d\n\tBit depth %d\n\t"
"Valid bit depth %d\n\tCh config %#x\n\tInterleaving %d\n\t"
"Sample Type %d\n\tCh Map %#x\n",
direction ? "Input Format:" : "Output Format:",
fmt->channels, fmt->s_freq, fmt->bit_depth,
fmt->valid_bit_depth, fmt->ch_cfg,
fmt->interleaving_style, fmt->sample_type,
fmt->ch_map);
}
static ssize_t module_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct skl_module_cfg *mconfig = file->private_data;
char *buf;
ssize_t ret;
buf = kzalloc(MOD_BUF, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = snprintf(buf, MOD_BUF, "Module:\n\tUUID %pUL\n\tModule id %d\n"
"\tInstance id %d\n\tPvt_id %d\n", mconfig->guid,
mconfig->id.module_id, mconfig->id.instance_id,
mconfig->id.pvt_id);
ret += snprintf(buf + ret, MOD_BUF - ret,
"Resources:\n\tMCPS %#x\n\tIBS %#x\n\tOBS %#x\t\n",
mconfig->mcps, mconfig->ibs, mconfig->obs);
ret += snprintf(buf + ret, MOD_BUF - ret,
"Module data:\n\tCore %d\n\tIn queue %d\n\t"
"Out queue %d\n\tType %s\n",
mconfig->core_id, mconfig->max_in_queue,
mconfig->max_out_queue,
mconfig->is_loadable ? "loadable" : "inbuilt");
ret += skl_print_fmt(mconfig->in_fmt, buf, ret, true);
ret += skl_print_fmt(mconfig->out_fmt, buf, ret, false);
ret += snprintf(buf + ret, MOD_BUF - ret,
"Fixup:\n\tParams %#x\n\tConverter %#x\n",
mconfig->params_fixup, mconfig->converter);
ret += snprintf(buf + ret, MOD_BUF - ret,
"Module Gateway:\n\tType %#x\n\tVbus %#x\n\tHW conn %#x\n\tSlot %#x\n",
mconfig->dev_type, mconfig->vbus_id,
mconfig->hw_conn_type, mconfig->time_slot);
ret += snprintf(buf + ret, MOD_BUF - ret,
"Pipeline:\n\tID %d\n\tPriority %d\n\tConn Type %d\n\t"
"Pages %#x\n", mconfig->pipe->ppl_id,
mconfig->pipe->pipe_priority, mconfig->pipe->conn_type,
mconfig->pipe->memory_pages);
ret += snprintf(buf + ret, MOD_BUF - ret,
"\tParams:\n\t\tHost DMA %d\n\t\tLink DMA %d\n",
mconfig->pipe->p_params->host_dma_id,
mconfig->pipe->p_params->link_dma_id);
ret += snprintf(buf + ret, MOD_BUF - ret,
"\tPCM params:\n\t\tCh %d\n\t\tFreq %d\n\t\tFormat %d\n",
mconfig->pipe->p_params->ch,
mconfig->pipe->p_params->s_freq,
mconfig->pipe->p_params->s_fmt);
ret += snprintf(buf + ret, MOD_BUF - ret,
"\tLink %#x\n\tStream %#x\n",
mconfig->pipe->p_params->linktype,
mconfig->pipe->p_params->stream);
ret += snprintf(buf + ret, MOD_BUF - ret,
"\tState %d\n\tPassthru %s\n",
mconfig->pipe->state,
mconfig->pipe->passthru ? "true" : "false");
ret += skl_print_pins(mconfig->m_in_pin, buf,
mconfig->max_in_queue, ret, true);
ret += skl_print_pins(mconfig->m_out_pin, buf,
mconfig->max_out_queue, ret, false);
ret += snprintf(buf + ret, MOD_BUF - ret,
"Other:\n\tDomain %d\n\tHomogeneous Input %s\n\t"
"Homogeneous Output %s\n\tIn Queue Mask %d\n\t"
"Out Queue Mask %d\n\tDMA ID %d\n\tMem Pages %d\n\t"
"Module Type %d\n\tModule State %d\n",
mconfig->domain,
mconfig->homogenous_inputs ? "true" : "false",
mconfig->homogenous_outputs ? "true" : "false",
mconfig->in_queue_mask, mconfig->out_queue_mask,
mconfig->dma_id, mconfig->mem_pages, mconfig->m_state,
mconfig->m_type);
ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
kfree(buf);
return ret;
}
static const struct file_operations mcfg_fops = {
.open = simple_open,
.read = module_read,
.llseek = default_llseek,
};
void skl_debug_init_module(struct skl_debug *d,
struct snd_soc_dapm_widget *w,
struct skl_module_cfg *mconfig)
{
if (!debugfs_create_file(w->name, 0444,
d->modules, mconfig,
&mcfg_fops))
dev_err(d->dev, "%s: module debugfs init failed\n", w->name);
}
static ssize_t fw_softreg_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct skl_debug *d = file->private_data;
struct sst_dsp *sst = d->skl->skl_sst->dsp;
size_t w0_stat_sz = sst->addr.w0_stat_sz;
void __iomem *in_base = sst->mailbox.in_base;
void __iomem *fw_reg_addr;
unsigned int offset;
char *tmp;
ssize_t ret = 0;
tmp = kzalloc(FW_REG_BUF, GFP_KERNEL);
if (!tmp)
return -ENOMEM;
fw_reg_addr = in_base - w0_stat_sz;
memset(d->fw_read_buff, 0, FW_REG_BUF);
if (w0_stat_sz > 0)
__iowrite32_copy(d->fw_read_buff, fw_reg_addr, w0_stat_sz >> 2);
for (offset = 0; offset < FW_REG_SIZE; offset += 16) {
ret += snprintf(tmp + ret, FW_REG_BUF - ret, "%#.4x: ", offset);
hex_dump_to_buffer(d->fw_read_buff + offset, 16, 16, 4,
tmp + ret, FW_REG_BUF - ret, 0);
ret += strlen(tmp + ret);
/* print newline for each offset */
if (FW_REG_BUF - ret > 0)
tmp[ret++] = '\n';
}
ret = simple_read_from_buffer(user_buf, count, ppos, tmp, ret);
kfree(tmp);
return ret;
}
static const struct file_operations soft_regs_ctrl_fops = {
.open = simple_open,
.read = fw_softreg_read,
.llseek = default_llseek,
};
struct skl_debug *skl_debugfs_init(struct skl *skl)
{
struct skl_debug *d;
d = devm_kzalloc(&skl->pci->dev, sizeof(*d), GFP_KERNEL);
if (!d)
return NULL;
/* create the debugfs dir with platform component's debugfs as parent */
d->fs = debugfs_create_dir("dsp",
skl->component->debugfs_root);
if (IS_ERR(d->fs) || !d->fs) {
dev_err(&skl->pci->dev, "debugfs root creation failed\n");
return NULL;
}
d->skl = skl;
d->dev = &skl->pci->dev;
/* now create the module dir */
d->modules = debugfs_create_dir("modules", d->fs);
if (IS_ERR(d->modules) || !d->modules) {
dev_err(&skl->pci->dev, "modules debugfs create failed\n");
goto err;
}
if (!debugfs_create_file("fw_soft_regs_rd", 0444, d->fs, d,
&soft_regs_ctrl_fops)) {
dev_err(d->dev, "fw soft regs control debugfs init failed\n");
goto err;
}
return d;
err:
debugfs_remove_recursive(d->fs);
return NULL;
}
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