^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * skl-debug.c - Debugfs for skl driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2016-17 Intel Corp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/debugfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <uapi/sound/skl-tplg-interface.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "skl.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "skl-sst-dsp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "skl-sst-ipc.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "skl-topology.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "../common/sst-dsp.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "../common/sst-dsp-priv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define MOD_BUF PAGE_SIZE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define FW_REG_BUF PAGE_SIZE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define FW_REG_SIZE 0x60
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct skl_debug {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct skl_dev *skl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) struct dentry *fs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) struct dentry *modules;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) u8 fw_read_buff[FW_REG_BUF];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static ssize_t skl_print_pins(struct skl_module_pin *m_pin, char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) int max_pin, ssize_t size, bool direction)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) ssize_t ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) for (i = 0; i < max_pin; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) ret += scnprintf(buf + size, MOD_BUF - size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) "%s %d\n\tModule %d\n\tInstance %d\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) "In-used %s\n\tType %s\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) "\tState %d\n\tIndex %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) direction ? "Input Pin:" : "Output Pin:",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) i, m_pin[i].id.module_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) m_pin[i].id.instance_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) m_pin[i].in_use ? "Used" : "Unused",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) m_pin[i].is_dynamic ? "Dynamic" : "Static",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) m_pin[i].pin_state, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) size += ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static ssize_t skl_print_fmt(struct skl_module_fmt *fmt, char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) ssize_t size, bool direction)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) return scnprintf(buf + size, MOD_BUF - size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) "%s\n\tCh %d\n\tFreq %d\n\tBit depth %d\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) "Valid bit depth %d\n\tCh config %#x\n\tInterleaving %d\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) "Sample Type %d\n\tCh Map %#x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) direction ? "Input Format:" : "Output Format:",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) fmt->channels, fmt->s_freq, fmt->bit_depth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) fmt->valid_bit_depth, fmt->ch_cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) fmt->interleaving_style, fmt->sample_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) fmt->ch_map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static ssize_t module_read(struct file *file, char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) struct skl_module_cfg *mconfig = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct skl_module *module = mconfig->module;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct skl_module_res *res = &module->resources[mconfig->res_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) char *buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) ssize_t ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) buf = kzalloc(MOD_BUF, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) if (!buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) ret = scnprintf(buf, MOD_BUF, "Module:\n\tUUID %pUL\n\tModule id %d\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) "\tInstance id %d\n\tPvt_id %d\n", mconfig->guid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) mconfig->id.module_id, mconfig->id.instance_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) mconfig->id.pvt_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) ret += scnprintf(buf + ret, MOD_BUF - ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) "Resources:\n\tCPC %#x\n\tIBS %#x\n\tOBS %#x\t\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) res->cpc, res->ibs, res->obs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) ret += scnprintf(buf + ret, MOD_BUF - ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) "Module data:\n\tCore %d\n\tIn queue %d\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) "Out queue %d\n\tType %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) mconfig->core_id, mconfig->max_in_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) mconfig->max_out_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) mconfig->is_loadable ? "loadable" : "inbuilt");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) ret += skl_print_fmt(mconfig->in_fmt, buf, ret, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) ret += skl_print_fmt(mconfig->out_fmt, buf, ret, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) ret += scnprintf(buf + ret, MOD_BUF - ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) "Fixup:\n\tParams %#x\n\tConverter %#x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) mconfig->params_fixup, mconfig->converter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) ret += scnprintf(buf + ret, MOD_BUF - ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) "Module Gateway:\n\tType %#x\n\tVbus %#x\n\tHW conn %#x\n\tSlot %#x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) mconfig->dev_type, mconfig->vbus_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) mconfig->hw_conn_type, mconfig->time_slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) ret += scnprintf(buf + ret, MOD_BUF - ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) "Pipeline:\n\tID %d\n\tPriority %d\n\tConn Type %d\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) "Pages %#x\n", mconfig->pipe->ppl_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) mconfig->pipe->pipe_priority, mconfig->pipe->conn_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) mconfig->pipe->memory_pages);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) ret += scnprintf(buf + ret, MOD_BUF - ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) "\tParams:\n\t\tHost DMA %d\n\t\tLink DMA %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) mconfig->pipe->p_params->host_dma_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) mconfig->pipe->p_params->link_dma_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) ret += scnprintf(buf + ret, MOD_BUF - ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) "\tPCM params:\n\t\tCh %d\n\t\tFreq %d\n\t\tFormat %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) mconfig->pipe->p_params->ch,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) mconfig->pipe->p_params->s_freq,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) mconfig->pipe->p_params->s_fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) ret += scnprintf(buf + ret, MOD_BUF - ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) "\tLink %#x\n\tStream %#x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) mconfig->pipe->p_params->linktype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) mconfig->pipe->p_params->stream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) ret += scnprintf(buf + ret, MOD_BUF - ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) "\tState %d\n\tPassthru %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) mconfig->pipe->state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) mconfig->pipe->passthru ? "true" : "false");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) ret += skl_print_pins(mconfig->m_in_pin, buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) mconfig->max_in_queue, ret, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) ret += skl_print_pins(mconfig->m_out_pin, buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) mconfig->max_out_queue, ret, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) ret += scnprintf(buf + ret, MOD_BUF - ret,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) "Other:\n\tDomain %d\n\tHomogeneous Input %s\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) "Homogeneous Output %s\n\tIn Queue Mask %d\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) "Out Queue Mask %d\n\tDMA ID %d\n\tMem Pages %d\n\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) "Module Type %d\n\tModule State %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) mconfig->domain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) mconfig->homogenous_inputs ? "true" : "false",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) mconfig->homogenous_outputs ? "true" : "false",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) mconfig->in_queue_mask, mconfig->out_queue_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) mconfig->dma_id, mconfig->mem_pages, mconfig->m_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) mconfig->m_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) kfree(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static const struct file_operations mcfg_fops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .open = simple_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .read = module_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .llseek = default_llseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) void skl_debug_init_module(struct skl_debug *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct snd_soc_dapm_widget *w,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) struct skl_module_cfg *mconfig)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) debugfs_create_file(w->name, 0444, d->modules, mconfig,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) &mcfg_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) static ssize_t fw_softreg_read(struct file *file, char __user *user_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) struct skl_debug *d = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) struct sst_dsp *sst = d->skl->dsp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) size_t w0_stat_sz = sst->addr.w0_stat_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) void __iomem *in_base = sst->mailbox.in_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) void __iomem *fw_reg_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) unsigned int offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) char *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) ssize_t ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) tmp = kzalloc(FW_REG_BUF, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) if (!tmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) fw_reg_addr = in_base - w0_stat_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) memset(d->fw_read_buff, 0, FW_REG_BUF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if (w0_stat_sz > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) __ioread32_copy(d->fw_read_buff, fw_reg_addr, w0_stat_sz >> 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) for (offset = 0; offset < FW_REG_SIZE; offset += 16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) ret += scnprintf(tmp + ret, FW_REG_BUF - ret, "%#.4x: ", offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) hex_dump_to_buffer(d->fw_read_buff + offset, 16, 16, 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) tmp + ret, FW_REG_BUF - ret, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) ret += strlen(tmp + ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) /* print newline for each offset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) if (FW_REG_BUF - ret > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) tmp[ret++] = '\n';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) ret = simple_read_from_buffer(user_buf, count, ppos, tmp, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) kfree(tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static const struct file_operations soft_regs_ctrl_fops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) .open = simple_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) .read = fw_softreg_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) .llseek = default_llseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) struct skl_debug *skl_debugfs_init(struct skl_dev *skl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) struct skl_debug *d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) d = devm_kzalloc(&skl->pci->dev, sizeof(*d), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) if (!d)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) /* create the debugfs dir with platform component's debugfs as parent */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) d->fs = debugfs_create_dir("dsp", skl->component->debugfs_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) d->skl = skl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) d->dev = &skl->pci->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) /* now create the module dir */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) d->modules = debugfs_create_dir("modules", d->fs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) debugfs_create_file("fw_soft_regs_rd", 0444, d->fs, d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) &soft_regs_ctrl_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) return d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) void skl_debugfs_exit(struct skl_dev *skl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) struct skl_debug *d = skl->debugfs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) debugfs_remove_recursive(d->fs);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) d = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) }