264 lines
7.4 KiB
C
264 lines
7.4 KiB
C
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/*
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* skl-debug.c - Debugfs for skl driver
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*
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* Copyright (C) 2016-17 Intel Corp
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#include <linux/pci.h>
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#include <linux/debugfs.h>
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#include <uapi/sound/skl-tplg-interface.h>
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#include "skl.h"
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#include "skl-sst-dsp.h"
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#include "skl-sst-ipc.h"
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#include "skl-topology.h"
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#include "../common/sst-dsp.h"
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#include "../common/sst-dsp-priv.h"
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#define MOD_BUF PAGE_SIZE
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#define FW_REG_BUF PAGE_SIZE
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#define FW_REG_SIZE 0x60
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struct skl_debug {
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struct skl *skl;
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struct device *dev;
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struct dentry *fs;
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struct dentry *modules;
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u8 fw_read_buff[FW_REG_BUF];
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};
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static ssize_t skl_print_pins(struct skl_module_pin *m_pin, char *buf,
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int max_pin, ssize_t size, bool direction)
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{
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int i;
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ssize_t ret = 0;
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for (i = 0; i < max_pin; i++) {
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ret += scnprintf(buf + size, MOD_BUF - size,
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"%s %d\n\tModule %d\n\tInstance %d\n\t"
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"In-used %s\n\tType %s\n"
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"\tState %d\n\tIndex %d\n",
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direction ? "Input Pin:" : "Output Pin:",
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i, m_pin[i].id.module_id,
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m_pin[i].id.instance_id,
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m_pin[i].in_use ? "Used" : "Unused",
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m_pin[i].is_dynamic ? "Dynamic" : "Static",
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m_pin[i].pin_state, i);
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size += ret;
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}
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return ret;
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}
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static ssize_t skl_print_fmt(struct skl_module_fmt *fmt, char *buf,
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ssize_t size, bool direction)
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{
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return scnprintf(buf + size, MOD_BUF - size,
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"%s\n\tCh %d\n\tFreq %d\n\tBit depth %d\n\t"
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"Valid bit depth %d\n\tCh config %#x\n\tInterleaving %d\n\t"
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"Sample Type %d\n\tCh Map %#x\n",
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direction ? "Input Format:" : "Output Format:",
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fmt->channels, fmt->s_freq, fmt->bit_depth,
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fmt->valid_bit_depth, fmt->ch_cfg,
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fmt->interleaving_style, fmt->sample_type,
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fmt->ch_map);
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}
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static ssize_t module_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct skl_module_cfg *mconfig = file->private_data;
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char *buf;
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ssize_t ret;
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buf = kzalloc(MOD_BUF, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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ret = scnprintf(buf, MOD_BUF, "Module:\n\tUUID %pUL\n\tModule id %d\n"
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"\tInstance id %d\n\tPvt_id %d\n", mconfig->guid,
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mconfig->id.module_id, mconfig->id.instance_id,
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mconfig->id.pvt_id);
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ret += scnprintf(buf + ret, MOD_BUF - ret,
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"Resources:\n\tMCPS %#x\n\tIBS %#x\n\tOBS %#x\t\n",
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mconfig->mcps, mconfig->ibs, mconfig->obs);
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ret += scnprintf(buf + ret, MOD_BUF - ret,
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"Module data:\n\tCore %d\n\tIn queue %d\n\t"
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"Out queue %d\n\tType %s\n",
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mconfig->core_id, mconfig->max_in_queue,
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mconfig->max_out_queue,
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mconfig->is_loadable ? "loadable" : "inbuilt");
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ret += skl_print_fmt(mconfig->in_fmt, buf, ret, true);
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ret += skl_print_fmt(mconfig->out_fmt, buf, ret, false);
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ret += scnprintf(buf + ret, MOD_BUF - ret,
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"Fixup:\n\tParams %#x\n\tConverter %#x\n",
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mconfig->params_fixup, mconfig->converter);
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ret += scnprintf(buf + ret, MOD_BUF - ret,
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"Module Gateway:\n\tType %#x\n\tVbus %#x\n\tHW conn %#x\n\tSlot %#x\n",
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mconfig->dev_type, mconfig->vbus_id,
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mconfig->hw_conn_type, mconfig->time_slot);
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ret += scnprintf(buf + ret, MOD_BUF - ret,
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"Pipeline:\n\tID %d\n\tPriority %d\n\tConn Type %d\n\t"
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"Pages %#x\n", mconfig->pipe->ppl_id,
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mconfig->pipe->pipe_priority, mconfig->pipe->conn_type,
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mconfig->pipe->memory_pages);
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ret += scnprintf(buf + ret, MOD_BUF - ret,
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"\tParams:\n\t\tHost DMA %d\n\t\tLink DMA %d\n",
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mconfig->pipe->p_params->host_dma_id,
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mconfig->pipe->p_params->link_dma_id);
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ret += scnprintf(buf + ret, MOD_BUF - ret,
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"\tPCM params:\n\t\tCh %d\n\t\tFreq %d\n\t\tFormat %d\n",
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mconfig->pipe->p_params->ch,
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mconfig->pipe->p_params->s_freq,
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mconfig->pipe->p_params->s_fmt);
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ret += scnprintf(buf + ret, MOD_BUF - ret,
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"\tLink %#x\n\tStream %#x\n",
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mconfig->pipe->p_params->linktype,
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mconfig->pipe->p_params->stream);
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ret += scnprintf(buf + ret, MOD_BUF - ret,
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"\tState %d\n\tPassthru %s\n",
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mconfig->pipe->state,
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mconfig->pipe->passthru ? "true" : "false");
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ret += skl_print_pins(mconfig->m_in_pin, buf,
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mconfig->max_in_queue, ret, true);
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ret += skl_print_pins(mconfig->m_out_pin, buf,
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mconfig->max_out_queue, ret, false);
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ret += scnprintf(buf + ret, MOD_BUF - ret,
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"Other:\n\tDomain %d\n\tHomogeneous Input %s\n\t"
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"Homogeneous Output %s\n\tIn Queue Mask %d\n\t"
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"Out Queue Mask %d\n\tDMA ID %d\n\tMem Pages %d\n\t"
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"Module Type %d\n\tModule State %d\n",
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mconfig->domain,
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mconfig->homogenous_inputs ? "true" : "false",
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mconfig->homogenous_outputs ? "true" : "false",
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mconfig->in_queue_mask, mconfig->out_queue_mask,
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mconfig->dma_id, mconfig->mem_pages, mconfig->m_state,
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mconfig->m_type);
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ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
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kfree(buf);
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return ret;
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}
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static const struct file_operations mcfg_fops = {
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.open = simple_open,
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.read = module_read,
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.llseek = default_llseek,
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};
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void skl_debug_init_module(struct skl_debug *d,
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struct snd_soc_dapm_widget *w,
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struct skl_module_cfg *mconfig)
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{
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if (!debugfs_create_file(w->name, 0444,
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d->modules, mconfig,
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&mcfg_fops))
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dev_err(d->dev, "%s: module debugfs init failed\n", w->name);
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}
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static ssize_t fw_softreg_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct skl_debug *d = file->private_data;
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struct sst_dsp *sst = d->skl->skl_sst->dsp;
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size_t w0_stat_sz = sst->addr.w0_stat_sz;
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void __iomem *in_base = sst->mailbox.in_base;
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void __iomem *fw_reg_addr;
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unsigned int offset;
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char *tmp;
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ssize_t ret = 0;
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tmp = kzalloc(FW_REG_BUF, GFP_KERNEL);
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if (!tmp)
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return -ENOMEM;
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fw_reg_addr = in_base - w0_stat_sz;
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memset(d->fw_read_buff, 0, FW_REG_BUF);
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if (w0_stat_sz > 0)
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__ioread32_copy(d->fw_read_buff, fw_reg_addr, w0_stat_sz >> 2);
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for (offset = 0; offset < FW_REG_SIZE; offset += 16) {
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ret += scnprintf(tmp + ret, FW_REG_BUF - ret, "%#.4x: ", offset);
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hex_dump_to_buffer(d->fw_read_buff + offset, 16, 16, 4,
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tmp + ret, FW_REG_BUF - ret, 0);
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ret += strlen(tmp + ret);
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/* print newline for each offset */
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if (FW_REG_BUF - ret > 0)
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tmp[ret++] = '\n';
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}
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ret = simple_read_from_buffer(user_buf, count, ppos, tmp, ret);
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kfree(tmp);
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return ret;
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}
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static const struct file_operations soft_regs_ctrl_fops = {
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.open = simple_open,
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.read = fw_softreg_read,
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.llseek = default_llseek,
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};
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struct skl_debug *skl_debugfs_init(struct skl *skl)
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{
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struct skl_debug *d;
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d = devm_kzalloc(&skl->pci->dev, sizeof(*d), GFP_KERNEL);
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if (!d)
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return NULL;
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/* create the debugfs dir with platform component's debugfs as parent */
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d->fs = debugfs_create_dir("dsp",
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skl->component->debugfs_root);
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if (IS_ERR(d->fs) || !d->fs) {
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dev_err(&skl->pci->dev, "debugfs root creation failed\n");
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return NULL;
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}
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d->skl = skl;
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d->dev = &skl->pci->dev;
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/* now create the module dir */
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d->modules = debugfs_create_dir("modules", d->fs);
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if (IS_ERR(d->modules) || !d->modules) {
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dev_err(&skl->pci->dev, "modules debugfs create failed\n");
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goto err;
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}
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if (!debugfs_create_file("fw_soft_regs_rd", 0444, d->fs, d,
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&soft_regs_ctrl_fops)) {
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dev_err(d->dev, "fw soft regs control debugfs init failed\n");
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goto err;
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}
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return d;
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err:
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debugfs_remove_recursive(d->fs);
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return NULL;
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}
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