99c926cecd
Based on the normalized pattern:
this software file (the file ) is distributed by marvell international
ltd under the terms of the gnu general public license version 2 june
1991 (the license ) you may use redistribute and/or modify this file
in accordance with the terms and conditions of the license a copy of
which is available by writing to the free software foundation inc 51
franklin street fifth floor boston ma 02110-1301 usa or on the
worldwide web at http://www gnu org/licenses/old-licenses/gpl-2 0 txt
the file is distributed as-is without warranty of any kind and the
implied warranties of merchantability or fitness for a particular
purpose are expressly disclaimed the license provides additional
details about this warranty disclaimer
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Reviewed-by: Allison Randal <allison@lohutok.net>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
194 lines
4.7 KiB
C
194 lines
4.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Marvell Bluetooth driver: debugfs related functions
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*
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* Copyright (C) 2009, Marvell International Ltd.
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**/
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#include <linux/debugfs.h>
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#include <linux/slab.h>
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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#include "btmrvl_drv.h"
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struct btmrvl_debugfs_data {
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struct dentry *config_dir;
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struct dentry *status_dir;
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};
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static ssize_t btmrvl_hscfgcmd_write(struct file *file,
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const char __user *ubuf, size_t count, loff_t *ppos)
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{
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struct btmrvl_private *priv = file->private_data;
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long result, ret;
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ret = kstrtol_from_user(ubuf, count, 10, &result);
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if (ret)
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return ret;
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priv->btmrvl_dev.hscfgcmd = result;
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if (priv->btmrvl_dev.hscfgcmd) {
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btmrvl_prepare_command(priv);
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wake_up_interruptible(&priv->main_thread.wait_q);
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}
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return count;
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}
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static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf,
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size_t count, loff_t *ppos)
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{
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struct btmrvl_private *priv = file->private_data;
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char buf[16];
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int ret;
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ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
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priv->btmrvl_dev.hscfgcmd);
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return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
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}
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static const struct file_operations btmrvl_hscfgcmd_fops = {
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.read = btmrvl_hscfgcmd_read,
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.write = btmrvl_hscfgcmd_write,
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.open = simple_open,
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.llseek = default_llseek,
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};
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static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf,
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size_t count, loff_t *ppos)
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{
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struct btmrvl_private *priv = file->private_data;
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long result, ret;
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ret = kstrtol_from_user(ubuf, count, 10, &result);
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if (ret)
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return ret;
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priv->btmrvl_dev.pscmd = result;
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if (priv->btmrvl_dev.pscmd) {
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btmrvl_prepare_command(priv);
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wake_up_interruptible(&priv->main_thread.wait_q);
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}
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return count;
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}
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static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf,
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size_t count, loff_t *ppos)
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{
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struct btmrvl_private *priv = file->private_data;
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char buf[16];
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int ret;
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ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd);
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return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
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}
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static const struct file_operations btmrvl_pscmd_fops = {
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.read = btmrvl_pscmd_read,
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.write = btmrvl_pscmd_write,
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.open = simple_open,
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.llseek = default_llseek,
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};
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static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf,
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size_t count, loff_t *ppos)
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{
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struct btmrvl_private *priv = file->private_data;
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long result, ret;
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ret = kstrtol_from_user(ubuf, count, 10, &result);
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if (ret)
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return ret;
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priv->btmrvl_dev.hscmd = result;
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if (priv->btmrvl_dev.hscmd) {
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btmrvl_prepare_command(priv);
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wake_up_interruptible(&priv->main_thread.wait_q);
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}
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return count;
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}
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static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf,
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size_t count, loff_t *ppos)
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{
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struct btmrvl_private *priv = file->private_data;
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char buf[16];
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int ret;
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ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd);
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return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
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}
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static const struct file_operations btmrvl_hscmd_fops = {
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.read = btmrvl_hscmd_read,
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.write = btmrvl_hscmd_write,
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.open = simple_open,
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.llseek = default_llseek,
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};
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void btmrvl_debugfs_init(struct hci_dev *hdev)
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{
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struct btmrvl_private *priv = hci_get_drvdata(hdev);
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struct btmrvl_debugfs_data *dbg;
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if (!hdev->debugfs)
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return;
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dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
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priv->debugfs_data = dbg;
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if (!dbg) {
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BT_ERR("Can not allocate memory for btmrvl_debugfs_data.");
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return;
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}
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dbg->config_dir = debugfs_create_dir("config", hdev->debugfs);
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debugfs_create_u8("psmode", 0644, dbg->config_dir,
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&priv->btmrvl_dev.psmode);
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debugfs_create_file("pscmd", 0644, dbg->config_dir,
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priv, &btmrvl_pscmd_fops);
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debugfs_create_x16("gpiogap", 0644, dbg->config_dir,
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&priv->btmrvl_dev.gpio_gap);
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debugfs_create_u8("hsmode", 0644, dbg->config_dir,
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&priv->btmrvl_dev.hsmode);
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debugfs_create_file("hscmd", 0644, dbg->config_dir,
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priv, &btmrvl_hscmd_fops);
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debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
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priv, &btmrvl_hscfgcmd_fops);
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dbg->status_dir = debugfs_create_dir("status", hdev->debugfs);
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debugfs_create_u8("curpsmode", 0444, dbg->status_dir,
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&priv->adapter->psmode);
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debugfs_create_u8("psstate", 0444, dbg->status_dir,
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&priv->adapter->ps_state);
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debugfs_create_u8("hsstate", 0444, dbg->status_dir,
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&priv->adapter->hs_state);
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debugfs_create_u8("txdnldready", 0444, dbg->status_dir,
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&priv->btmrvl_dev.tx_dnld_rdy);
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}
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void btmrvl_debugfs_remove(struct hci_dev *hdev)
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{
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struct btmrvl_private *priv = hci_get_drvdata(hdev);
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struct btmrvl_debugfs_data *dbg = priv->debugfs_data;
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if (!dbg)
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return;
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debugfs_remove_recursive(dbg->config_dir);
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debugfs_remove_recursive(dbg->status_dir);
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kfree(dbg);
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}
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