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Commit 03ad4776 authored by Peter Griffin's avatar Peter Griffin Committed by Mauro Carvalho Chehab
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[media] c8sectpfe: Add c8sectpfe debugfs support 

Some basic debugfs support to dump the IP registers. Further
statistics could easily be added in the future for example for
each enabled tsin channel we could expose number of corrupt packets
received etc.
Signed-off-by: default avatarPeter Griffin <peter.griffin@linaro.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent e77a0cbe
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drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.c 0 → 100644
View file @ 03ad4776
/*
* c8sectpfe-debugfs.c - C8SECTPFE STi DVB driver
*
* Copyright (c) STMicroelectronics 2015
*
* Author: Peter Griffin <peter.griffin@linaro.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 of
* the License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/types.h>
#include "c8sectpfe-debugfs.h"
#define dump_register(nm ...) \
{ \
.name = #nm, \
.offset = nm, \
}
static const struct debugfs_reg32 fei_sys_regs[] = {
dump_register(SYS_INPUT_ERR_STATUS),
dump_register(SYS_OTHER_ERR_STATUS),
dump_register(SYS_INPUT_ERR_MASK),
dump_register(SYS_DMA_ROUTE),
dump_register(SYS_INPUT_CLKEN),
dump_register(IBENABLE_MASK),
dump_register(SYS_OTHER_CLKEN),
dump_register(SYS_CFG_NUM_IB),
dump_register(SYS_CFG_NUM_MIB),
dump_register(SYS_CFG_NUM_SWTS),
dump_register(SYS_CFG_NUM_TSOUT),
dump_register(SYS_CFG_NUM_CCSC),
dump_register(SYS_CFG_NUM_RAM),
dump_register(SYS_CFG_NUM_TP),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(0)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(0)),
dump_register(C8SECTPFE_IB_PID_SET(0)),
dump_register(C8SECTPFE_IB_PKT_LEN(0)),
dump_register(C8SECTPFE_IB_BUFF_STRT(0)),
dump_register(C8SECTPFE_IB_BUFF_END(0)),
dump_register(C8SECTPFE_IB_READ_PNT(0)),
dump_register(C8SECTPFE_IB_WRT_PNT(0)),
dump_register(C8SECTPFE_IB_PRI_THRLD(0)),
dump_register(C8SECTPFE_IB_STAT(0)),
dump_register(C8SECTPFE_IB_MASK(0)),
dump_register(C8SECTPFE_IB_SYS(0)),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(1)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(1)),
dump_register(C8SECTPFE_IB_PID_SET(1)),
dump_register(C8SECTPFE_IB_PKT_LEN(1)),
dump_register(C8SECTPFE_IB_BUFF_STRT(1)),
dump_register(C8SECTPFE_IB_BUFF_END(1)),
dump_register(C8SECTPFE_IB_READ_PNT(1)),
dump_register(C8SECTPFE_IB_WRT_PNT(1)),
dump_register(C8SECTPFE_IB_PRI_THRLD(1)),
dump_register(C8SECTPFE_IB_STAT(1)),
dump_register(C8SECTPFE_IB_MASK(1)),
dump_register(C8SECTPFE_IB_SYS(1)),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(2)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(2)),
dump_register(C8SECTPFE_IB_PID_SET(2)),
dump_register(C8SECTPFE_IB_PKT_LEN(2)),
dump_register(C8SECTPFE_IB_BUFF_STRT(2)),
dump_register(C8SECTPFE_IB_BUFF_END(2)),
dump_register(C8SECTPFE_IB_READ_PNT(2)),
dump_register(C8SECTPFE_IB_WRT_PNT(2)),
dump_register(C8SECTPFE_IB_PRI_THRLD(2)),
dump_register(C8SECTPFE_IB_STAT(2)),
dump_register(C8SECTPFE_IB_MASK(2)),
dump_register(C8SECTPFE_IB_SYS(2)),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(3)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(3)),
dump_register(C8SECTPFE_IB_PID_SET(3)),
dump_register(C8SECTPFE_IB_PKT_LEN(3)),
dump_register(C8SECTPFE_IB_BUFF_STRT(3)),
dump_register(C8SECTPFE_IB_BUFF_END(3)),
dump_register(C8SECTPFE_IB_READ_PNT(3)),
dump_register(C8SECTPFE_IB_WRT_PNT(3)),
dump_register(C8SECTPFE_IB_PRI_THRLD(3)),
dump_register(C8SECTPFE_IB_STAT(3)),
dump_register(C8SECTPFE_IB_MASK(3)),
dump_register(C8SECTPFE_IB_SYS(3)),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(4)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(4)),
dump_register(C8SECTPFE_IB_PID_SET(4)),
dump_register(C8SECTPFE_IB_PKT_LEN(4)),
dump_register(C8SECTPFE_IB_BUFF_STRT(4)),
dump_register(C8SECTPFE_IB_BUFF_END(4)),
dump_register(C8SECTPFE_IB_READ_PNT(4)),
dump_register(C8SECTPFE_IB_WRT_PNT(4)),
dump_register(C8SECTPFE_IB_PRI_THRLD(4)),
dump_register(C8SECTPFE_IB_STAT(4)),
dump_register(C8SECTPFE_IB_MASK(4)),
dump_register(C8SECTPFE_IB_SYS(4)),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(5)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(5)),
dump_register(C8SECTPFE_IB_PID_SET(5)),
dump_register(C8SECTPFE_IB_PKT_LEN(5)),
dump_register(C8SECTPFE_IB_BUFF_STRT(5)),
dump_register(C8SECTPFE_IB_BUFF_END(5)),
dump_register(C8SECTPFE_IB_READ_PNT(5)),
dump_register(C8SECTPFE_IB_WRT_PNT(5)),
dump_register(C8SECTPFE_IB_PRI_THRLD(5)),
dump_register(C8SECTPFE_IB_STAT(5)),
dump_register(C8SECTPFE_IB_MASK(5)),
dump_register(C8SECTPFE_IB_SYS(5)),
dump_register(C8SECTPFE_IB_IP_FMT_CFG(6)),
dump_register(C8SECTPFE_IB_TAGBYTES_CFG(6)),
dump_register(C8SECTPFE_IB_PID_SET(6)),
dump_register(C8SECTPFE_IB_PKT_LEN(6)),
dump_register(C8SECTPFE_IB_BUFF_STRT(6)),
dump_register(C8SECTPFE_IB_BUFF_END(6)),
dump_register(C8SECTPFE_IB_READ_PNT(6)),
dump_register(C8SECTPFE_IB_WRT_PNT(6)),
dump_register(C8SECTPFE_IB_PRI_THRLD(6)),
dump_register(C8SECTPFE_IB_STAT(6)),
dump_register(C8SECTPFE_IB_MASK(6)),
dump_register(C8SECTPFE_IB_SYS(6)),
dump_register(DMA_CPU_ID),
dump_register(DMA_CPU_VCR),
dump_register(DMA_CPU_RUN),
dump_register(DMA_CPU_PC),
dump_register(DMA_PER_TPn_DREQ_MASK),
dump_register(DMA_PER_TPn_DACK_SET),
dump_register(DMA_PER_TPn_DREQ),
dump_register(DMA_PER_TPn_DACK),
dump_register(DMA_PER_DREQ_MODE),
dump_register(DMA_PER_STBUS_SYNC),
dump_register(DMA_PER_STBUS_ACCESS),
dump_register(DMA_PER_STBUS_ADDRESS),
dump_register(DMA_PER_IDLE_INT),
dump_register(DMA_PER_PRIORITY),
dump_register(DMA_PER_MAX_OPCODE),
dump_register(DMA_PER_MAX_CHUNK),
dump_register(DMA_PER_PAGE_SIZE),
dump_register(DMA_PER_MBOX_STATUS),
dump_register(DMA_PER_MBOX_SET),
dump_register(DMA_PER_MBOX_CLEAR),
dump_register(DMA_PER_MBOX_MASK),
dump_register(DMA_PER_INJECT_PKT_SRC),
dump_register(DMA_PER_INJECT_PKT_DEST),
dump_register(DMA_PER_INJECT_PKT_ADDR),
dump_register(DMA_PER_INJECT_PKT),
dump_register(DMA_PER_PAT_PTR_INIT),
dump_register(DMA_PER_PAT_PTR),
dump_register(DMA_PER_SLEEP_MASK),
dump_register(DMA_PER_SLEEP_COUNTER),
dump_register(DMA_FIRMWARE_VERSION),
dump_register(DMA_PTRREC_BASE),
dump_register(DMA_PTRREC_INPUT_OFFSET),
dump_register(DMA_ERRREC_BASE),
dump_register(DMA_ERROR_RECORD(0)),
dump_register(DMA_ERROR_RECORD(1)),
dump_register(DMA_ERROR_RECORD(2)),
dump_register(DMA_ERROR_RECORD(3)),
dump_register(DMA_ERROR_RECORD(4)),
dump_register(DMA_ERROR_RECORD(5)),
dump_register(DMA_ERROR_RECORD(6)),
dump_register(DMA_ERROR_RECORD(7)),
dump_register(DMA_ERROR_RECORD(8)),
dump_register(DMA_ERROR_RECORD(9)),
dump_register(DMA_ERROR_RECORD(10)),
dump_register(DMA_ERROR_RECORD(11)),
dump_register(DMA_ERROR_RECORD(12)),
dump_register(DMA_ERROR_RECORD(13)),
dump_register(DMA_ERROR_RECORD(14)),
dump_register(DMA_ERROR_RECORD(15)),
dump_register(DMA_ERROR_RECORD(16)),
dump_register(DMA_ERROR_RECORD(17)),
dump_register(DMA_ERROR_RECORD(18)),
dump_register(DMA_ERROR_RECORD(19)),
dump_register(DMA_ERROR_RECORD(20)),
dump_register(DMA_ERROR_RECORD(21)),
dump_register(DMA_ERROR_RECORD(22)),
dump_register(DMA_IDLE_REQ),
dump_register(DMA_FIRMWARE_CONFIG),
dump_register(PIDF_BASE(0)),
dump_register(PIDF_BASE(1)),
dump_register(PIDF_BASE(2)),
dump_register(PIDF_BASE(3)),
dump_register(PIDF_BASE(4)),
dump_register(PIDF_BASE(5)),
dump_register(PIDF_BASE(6)),
dump_register(PIDF_BASE(7)),
dump_register(PIDF_BASE(8)),
dump_register(PIDF_BASE(9)),
dump_register(PIDF_BASE(10)),
dump_register(PIDF_BASE(11)),
dump_register(PIDF_BASE(12)),
dump_register(PIDF_BASE(13)),
dump_register(PIDF_BASE(14)),
dump_register(PIDF_BASE(15)),
dump_register(PIDF_BASE(16)),
dump_register(PIDF_BASE(17)),
dump_register(PIDF_BASE(18)),
dump_register(PIDF_BASE(19)),
dump_register(PIDF_BASE(20)),
dump_register(PIDF_BASE(21)),
dump_register(PIDF_BASE(22)),
dump_register(PIDF_LEAK_ENABLE),
dump_register(PIDF_LEAK_STATUS),
dump_register(PIDF_LEAK_COUNT_RESET),
dump_register(PIDF_LEAK_COUNTER),
};
void c8sectpfe_debugfs_init(struct c8sectpfei *fei)
{
struct dentry *root;
struct dentry *file;
root = debugfs_create_dir("c8sectpfe", NULL);
if (!root)
goto err;
fei->root = root;
fei->regset = devm_kzalloc(fei->dev, sizeof(*fei->regset), GFP_KERNEL);
if (!fei->regset)
goto err;
fei->regset->regs = fei_sys_regs;
fei->regset->nregs = ARRAY_SIZE(fei_sys_regs);
fei->regset->base = fei->io;
file = debugfs_create_regset32("registers", S_IRUGO, root,
fei->regset);
if (!file) {
dev_err(fei->dev,
"%s not able to create 'registers' debugfs\n"
, __func__);
goto err;
}
return;
err:
debugfs_remove_recursive(root);
}
void c8sectpfe_debugfs_exit(struct c8sectpfei *fei)
{
debugfs_remove_recursive(fei->root);
fei->root = NULL;
}
drivers/media/platform/sti/c8sectpfe/c8sectpfe-debugfs.h 0 → 100644
View file @ 03ad4776
/**
* c8sectpfe-debugfs.h - C8SECTPFE STi DVB driver debugfs header
*
* Copyright (c) STMicroelectronics 2015
*
* Authors: Peter Griffin <peter.griffin@linaro.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 of
* the License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __C8SECTPFE_DEBUG_H
#define __C8SECTPFE_DEBUG_H
#include "c8sectpfe-core.h"
void c8sectpfe_debugfs_init(struct c8sectpfei *);
void c8sectpfe_debugfs_exit(struct c8sectpfei *);
#endif /* __C8SECTPFE_DEBUG_H */
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