linux-imx

// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (C) 2010 Google, Inc.

 * Author: Erik Gilling <konkers@android.com>

 *

 * Copyright (C) 2011-2013 NVIDIA Corporation

 */

​

#include <linux/debugfs.h>

#include <linux/seq_file.h>

#include <linux/uaccess.h>

​

#include <linux/io.h>

​

#include "dev.h"

#include "debug.h"

#include "channel.h"

​

unsigned int host1x_debug_trace_cmdbuf;

​

static pid_t host1x_debug_force_timeout_pid;

static u32 host1x_debug_force_timeout_val;

static u32 host1x_debug_force_timeout_channel;

​

void host1x_debug_output(struct output *o, const char *fmt, ...)

{

    va_list args;

    int len;

​

    va_start(args, fmt);

    len = vsnprintf(o->buf, sizeof(o->buf), fmt, args);

    va_end(args);

​

    o->fn(o->ctx, o->buf, len, false);

}

​

void host1x_debug_cont(struct output *o, const char *fmt, ...)

{

    va_list args;

    int len;

​

    va_start(args, fmt);

    len = vsnprintf(o->buf, sizeof(o->buf), fmt, args);

    va_end(args);

​

    o->fn(o->ctx, o->buf, len, true);

}

​

static int show_channel(struct host1x_channel *ch, void *data, bool show_fifo)

{

    struct host1x *m = dev_get_drvdata(ch->dev->parent);

    struct output *o = data;

​

    mutex_lock(&ch->cdma.lock);

​

    if (show_fifo)

        host1x_hw_show_channel_fifo(m, ch, o);

​

    host1x_hw_show_channel_cdma(m, ch, o);

​

    mutex_unlock(&ch->cdma.lock);

​

    return 0;