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206 lines
5.4 KiB
206 lines
5.4 KiB
/** |
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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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* This software file (the "File") is distributed by Marvell International |
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* Ltd. under the terms of the GNU General Public License Version 2, June 1991 |
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* (the "License"). You may use, redistribute and/or modify this File in |
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* accordance with the terms and conditions of the License, a copy of which |
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* is available by writing to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
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* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
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* |
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* |
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* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
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* ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
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* this warranty disclaimer. |
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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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