[mirror_ubuntu-artful-kernel.git] / drivers / bluetooth / btmrvl_debugfs.c

/**
 * Marvell Bluetooth driver: debugfs related functions
 *
 * Copyright (C) 2009, Marvell International Ltd.
 *
 * 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.
 **/

#include <linux/debugfs.h>
#include <linux/slab.h>

#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>

#include "btmrvl_drv.h"

struct btmrvl_debugfs_data {
	struct dentry *config_dir;
	struct dentry *status_dir;

	/* config */
	struct dentry *psmode;
	struct dentry *pscmd;
	struct dentry *hsmode;
	struct dentry *hscmd;
	struct dentry *gpiogap;
	struct dentry *hscfgcmd;

	/* status */
	struct dentry *curpsmode;
	struct dentry *hsstate;
	struct dentry *psstate;
	struct dentry *txdnldready;
};

static int btmrvl_open_generic(struct inode *inode, struct file *file)
{
	file->private_data = inode->i_private;
	return 0;
}

static ssize_t btmrvl_hscfgcmd_write(struct file *file,
			const char __user *ubuf, size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = strict_strtol(buf, 10, &result);

	priv->btmrvl_dev.hscfgcmd = result;

	if (priv->btmrvl_dev.hscfgcmd) {
		btmrvl_prepare_command(priv);
		wake_up_interruptible(&priv->main_thread.wait_q);
	}

	return count;
}

static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
						priv->btmrvl_dev.hscfgcmd);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_hscfgcmd_fops = {
	.read	= btmrvl_hscfgcmd_read,
	.write	= btmrvl_hscfgcmd_write,
	.open	= btmrvl_open_generic,
	.llseek = default_llseek,
};

static ssize_t btmrvl_psmode_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = strict_strtol(buf, 10, &result);

	priv->btmrvl_dev.psmode = result;

	return count;
}

static ssize_t btmrvl_psmode_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
						priv->btmrvl_dev.psmode);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_psmode_fops = {
	.read	= btmrvl_psmode_read,
	.write	= btmrvl_psmode_write,
	.open	= btmrvl_open_generic,
	.llseek = default_llseek,
};

static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = strict_strtol(buf, 10, &result);

	priv->btmrvl_dev.pscmd = result;

	if (priv->btmrvl_dev.pscmd) {
		btmrvl_prepare_command(priv);
		wake_up_interruptible(&priv->main_thread.wait_q);
	}

	return count;

}

static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_pscmd_fops = {
	.read = btmrvl_pscmd_read,
	.write = btmrvl_pscmd_write,
	.open = btmrvl_open_generic,
	.llseek = default_llseek,
};

static ssize_t btmrvl_gpiogap_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = strict_strtol(buf, 16, &result);

	priv->btmrvl_dev.gpio_gap = result;

	return count;
}

static ssize_t btmrvl_gpiogap_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "0x%x\n",
						priv->btmrvl_dev.gpio_gap);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_gpiogap_fops = {
	.read	= btmrvl_gpiogap_read,
	.write	= btmrvl_gpiogap_write,
	.open	= btmrvl_open_generic,
	.llseek = default_llseek,
};

static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = strict_strtol(buf, 10, &result);

	priv->btmrvl_dev.hscmd = result;
	if (priv->btmrvl_dev.hscmd) {
		btmrvl_prepare_command(priv);
		wake_up_interruptible(&priv->main_thread.wait_q);
	}

	return count;
}

static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_hscmd_fops = {
	.read	= btmrvl_hscmd_read,
	.write	= btmrvl_hscmd_write,
	.open	= btmrvl_open_generic,
	.llseek = default_llseek,
};

static ssize_t btmrvl_hsmode_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	long result, ret;

	memset(buf, 0, sizeof(buf));

	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
		return -EFAULT;

	ret = strict_strtol(buf, 10, &result);

	priv->btmrvl_dev.hsmode = result;

	return count;
}

static ssize_t btmrvl_hsmode_read(struct file *file, char __user * userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hsmode);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_hsmode_fops = {
	.read	= btmrvl_hsmode_read,
	.write	= btmrvl_hsmode_write,
	.open	= btmrvl_open_generic,
	.llseek = default_llseek,
};

static ssize_t btmrvl_curpsmode_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->psmode);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_curpsmode_fops = {
	.read	= btmrvl_curpsmode_read,
	.open	= btmrvl_open_generic,
	.llseek = default_llseek,
};

static ssize_t btmrvl_psstate_read(struct file *file, char __user * userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->ps_state);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_psstate_fops = {
	.read	= btmrvl_psstate_read,
	.open	= btmrvl_open_generic,
	.llseek = default_llseek,
};

static ssize_t btmrvl_hsstate_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->hs_state);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_hsstate_fops = {
	.read	= btmrvl_hsstate_read,
	.open	= btmrvl_open_generic,
	.llseek = default_llseek,
};

static ssize_t btmrvl_txdnldready_read(struct file *file, char __user *userbuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = file->private_data;
	char buf[16];
	int ret;

	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
					priv->btmrvl_dev.tx_dnld_rdy);

	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
}

static const struct file_operations btmrvl_txdnldready_fops = {
	.read	= btmrvl_txdnldready_read,
	.open	= btmrvl_open_generic,
	.llseek = default_llseek,
};

void btmrvl_debugfs_init(struct hci_dev *hdev)
{
	struct btmrvl_private *priv = hdev->driver_data;
	struct btmrvl_debugfs_data *dbg;

	if (!hdev->debugfs)
		return;

	dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
	priv->debugfs_data = dbg;

	if (!dbg) {
		BT_ERR("Can not allocate memory for btmrvl_debugfs_data.");
		return;
	}

	dbg->config_dir = debugfs_create_dir("config", hdev->debugfs);

	dbg->psmode = debugfs_create_file("psmode", 0644, dbg->config_dir,
				hdev->driver_data, &btmrvl_psmode_fops);
	dbg->pscmd = debugfs_create_file("pscmd", 0644, dbg->config_dir,
				hdev->driver_data, &btmrvl_pscmd_fops);
	dbg->gpiogap = debugfs_create_file("gpiogap", 0644, dbg->config_dir,
				hdev->driver_data, &btmrvl_gpiogap_fops);
	dbg->hsmode =  debugfs_create_file("hsmode", 0644, dbg->config_dir,
				hdev->driver_data, &btmrvl_hsmode_fops);
	dbg->hscmd = debugfs_create_file("hscmd", 0644, dbg->config_dir,
				hdev->driver_data, &btmrvl_hscmd_fops);
	dbg->hscfgcmd = debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
				hdev->driver_data, &btmrvl_hscfgcmd_fops);

	dbg->status_dir = debugfs_create_dir("status", hdev->debugfs);
	dbg->curpsmode = debugfs_create_file("curpsmode", 0444,
						dbg->status_dir,
						hdev->driver_data,
						&btmrvl_curpsmode_fops);
	dbg->psstate = debugfs_create_file("psstate", 0444, dbg->status_dir,
				hdev->driver_data, &btmrvl_psstate_fops);
	dbg->hsstate = debugfs_create_file("hsstate", 0444, dbg->status_dir,
				hdev->driver_data, &btmrvl_hsstate_fops);
	dbg->txdnldready = debugfs_create_file("txdnldready", 0444,
						dbg->status_dir,
						hdev->driver_data,
						&btmrvl_txdnldready_fops);
}

void btmrvl_debugfs_remove(struct hci_dev *hdev)
{
	struct btmrvl_private *priv = hdev->driver_data;
	struct btmrvl_debugfs_data *dbg = priv->debugfs_data;

	if (!dbg)
		return;

	debugfs_remove(dbg->psmode);
	debugfs_remove(dbg->pscmd);
	debugfs_remove(dbg->gpiogap);
	debugfs_remove(dbg->hsmode);
	debugfs_remove(dbg->hscmd);
	debugfs_remove(dbg->hscfgcmd);
	debugfs_remove(dbg->config_dir);

	debugfs_remove(dbg->curpsmode);
	debugfs_remove(dbg->psstate);
	debugfs_remove(dbg->hsstate);
	debugfs_remove(dbg->txdnldready);
	debugfs_remove(dbg->status_dir);

	kfree(dbg);
}
Commit	Line	Data
fb784f05 BZ	1	/**
	2	* Marvell Bluetooth driver: debugfs related functions
	3	*
	4	* Copyright (C) 2009, Marvell International Ltd.
	5	*
	6	* This software file (the "File") is distributed by Marvell International
	7	* Ltd. under the terms of the GNU General Public License Version 2, June 1991
	8	* (the "License"). You may use, redistribute and/or modify this File in
	9	* accordance with the terms and conditions of the License, a copy of which
	10	* is available by writing to the Free Software Foundation, Inc.,
	11	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
	12	* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
	13	*
	14	*
	15	* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
	16	* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
	17	* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
	18	* this warranty disclaimer.
	19	**/
	20
	21	#include <linux/debugfs.h>
5a0e3ad6	22	#include <linux/slab.h>
fb784f05 BZ	23
	24	#include <net/bluetooth/bluetooth.h>
	25	#include <net/bluetooth/hci_core.h>
	26
	27	#include "btmrvl_drv.h"
	28
	29	struct btmrvl_debugfs_data {
b914a250 MH	30	struct dentry *config_dir;
b914a250 MH	31	struct dentry *status_dir;
fb784f05 BZ	32
fb784f05 BZ	33	/* config */
fb784f05 BZ	34	struct dentry *psmode;
	35	struct dentry *pscmd;
	36	struct dentry *hsmode;
	37	struct dentry *hscmd;
	38	struct dentry *gpiogap;
	39	struct dentry *hscfgcmd;
	40
	41	/* status */
	42	struct dentry *curpsmode;
	43	struct dentry *hsstate;
	44	struct dentry *psstate;
	45	struct dentry *txdnldready;
	46	};
	47
	48	static int btmrvl_open_generic(struct inode inode, struct file file)
	49	{
	50	file->private_data = inode->i_private;
	51	return 0;
	52	}
	53
	54	static ssize_t btmrvl_hscfgcmd_write(struct file *file,
54239903	55	const char __user ubuf, size_t count, loff_t ppos)
fb784f05	56	{
54239903	57	struct btmrvl_private *priv = file->private_data;
fb784f05	58	char buf[16];
54239903	59	long result, ret;
fb784f05 BZ	60
	61	memset(buf, 0, sizeof(buf));
	62
54239903	63	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	64	return -EFAULT;
	65
	66	ret = strict_strtol(buf, 10, &result);
	67
	68	priv->btmrvl_dev.hscfgcmd = result;
	69
	70	if (priv->btmrvl_dev.hscfgcmd) {
	71	btmrvl_prepare_command(priv);
	72	wake_up_interruptible(&priv->main_thread.wait_q);
	73	}
	74
	75	return count;
	76	}
	77
54239903 MH	78	static ssize_t btmrvl_hscfgcmd_read(struct file file, char __user userbuf,
54239903 MH	79	size_t count, loff_t *ppos)
fb784f05	80	{
54239903	81	struct btmrvl_private *priv = file->private_data;
fb784f05	82	char buf[16];
54239903	83	int ret;
fb784f05 BZ	84
fb784f05 BZ	85	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	86	priv->btmrvl_dev.hscfgcmd);
fb784f05 BZ	87
	88	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	89	}
	90
	91	static const struct file_operations btmrvl_hscfgcmd_fops = {
54239903 MH	92	.read = btmrvl_hscfgcmd_read,
	93	.write = btmrvl_hscfgcmd_write,
	94	.open = btmrvl_open_generic,
6038f373	95	.llseek = default_llseek,
fb784f05 BZ	96	};
	97
	98	static ssize_t btmrvl_psmode_write(struct file file, const char __user ubuf,
54239903	99	size_t count, loff_t *ppos)
fb784f05	100	{
54239903	101	struct btmrvl_private *priv = file->private_data;
fb784f05	102	char buf[16];
54239903	103	long result, ret;
fb784f05 BZ	104
	105	memset(buf, 0, sizeof(buf));
	106
54239903	107	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	108	return -EFAULT;
	109
	110	ret = strict_strtol(buf, 10, &result);
	111
	112	priv->btmrvl_dev.psmode = result;
	113
	114	return count;
	115	}
	116
54239903 MH	117	static ssize_t btmrvl_psmode_read(struct file file, char __user userbuf,
54239903 MH	118	size_t count, loff_t *ppos)
fb784f05	119	{
54239903	120	struct btmrvl_private *priv = file->private_data;
fb784f05	121	char buf[16];
54239903	122	int ret;
fb784f05 BZ	123
fb784f05 BZ	124	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	125	priv->btmrvl_dev.psmode);
fb784f05 BZ	126
	127	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	128	}
	129
	130	static const struct file_operations btmrvl_psmode_fops = {
54239903 MH	131	.read = btmrvl_psmode_read,
	132	.write = btmrvl_psmode_write,
	133	.open = btmrvl_open_generic,
6038f373	134	.llseek = default_llseek,
fb784f05 BZ	135	};
	136
	137	static ssize_t btmrvl_pscmd_write(struct file file, const char __user ubuf,
54239903	138	size_t count, loff_t *ppos)
fb784f05	139	{
54239903	140	struct btmrvl_private *priv = file->private_data;
fb784f05	141	char buf[16];
54239903	142	long result, ret;
fb784f05 BZ	143
	144	memset(buf, 0, sizeof(buf));
	145
54239903	146	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	147	return -EFAULT;
	148
	149	ret = strict_strtol(buf, 10, &result);
	150
	151	priv->btmrvl_dev.pscmd = result;
	152
	153	if (priv->btmrvl_dev.pscmd) {
	154	btmrvl_prepare_command(priv);
	155	wake_up_interruptible(&priv->main_thread.wait_q);
	156	}
	157
	158	return count;
	159
	160	}
	161
54239903 MH	162	static ssize_t btmrvl_pscmd_read(struct file file, char __user userbuf,
54239903 MH	163	size_t count, loff_t *ppos)
fb784f05	164	{
54239903	165	struct btmrvl_private *priv = file->private_data;
fb784f05	166	char buf[16];
54239903	167	int ret;
fb784f05 BZ	168
	169	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd);
	170
	171	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	172	}
	173
	174	static const struct file_operations btmrvl_pscmd_fops = {
	175	.read = btmrvl_pscmd_read,
	176	.write = btmrvl_pscmd_write,
	177	.open = btmrvl_open_generic,
6038f373	178	.llseek = default_llseek,
fb784f05 BZ	179	};
	180
	181	static ssize_t btmrvl_gpiogap_write(struct file file, const char __user ubuf,
54239903	182	size_t count, loff_t *ppos)
fb784f05	183	{
54239903	184	struct btmrvl_private *priv = file->private_data;
fb784f05	185	char buf[16];
54239903	186	long result, ret;
fb784f05 BZ	187
	188	memset(buf, 0, sizeof(buf));
	189
54239903	190	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	191	return -EFAULT;
	192
	193	ret = strict_strtol(buf, 16, &result);
	194
	195	priv->btmrvl_dev.gpio_gap = result;
	196
	197	return count;
	198	}
	199
54239903 MH	200	static ssize_t btmrvl_gpiogap_read(struct file file, char __user userbuf,
54239903 MH	201	size_t count, loff_t *ppos)
fb784f05	202	{
54239903	203	struct btmrvl_private *priv = file->private_data;
fb784f05	204	char buf[16];
54239903	205	int ret;
fb784f05 BZ	206
fb784f05 BZ	207	ret = snprintf(buf, sizeof(buf) - 1, "0x%x\n",
54239903	208	priv->btmrvl_dev.gpio_gap);
fb784f05 BZ	209
	210	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	211	}
	212
	213	static const struct file_operations btmrvl_gpiogap_fops = {
54239903 MH	214	.read = btmrvl_gpiogap_read,
	215	.write = btmrvl_gpiogap_write,
	216	.open = btmrvl_open_generic,
6038f373	217	.llseek = default_llseek,
fb784f05 BZ	218	};
	219
	220	static ssize_t btmrvl_hscmd_write(struct file file, const char __user ubuf,
54239903	221	size_t count, loff_t *ppos)
fb784f05	222	{
be60b940	223	struct btmrvl_private *priv = file->private_data;
fb784f05	224	char buf[16];
54239903	225	long result, ret;
fb784f05 BZ	226
	227	memset(buf, 0, sizeof(buf));
	228
54239903	229	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	230	return -EFAULT;
	231
	232	ret = strict_strtol(buf, 10, &result);
	233
	234	priv->btmrvl_dev.hscmd = result;
	235	if (priv->btmrvl_dev.hscmd) {
	236	btmrvl_prepare_command(priv);
	237	wake_up_interruptible(&priv->main_thread.wait_q);
	238	}
	239
	240	return count;
	241	}
	242
54239903 MH	243	static ssize_t btmrvl_hscmd_read(struct file file, char __user userbuf,
54239903 MH	244	size_t count, loff_t *ppos)
fb784f05	245	{
54239903	246	struct btmrvl_private *priv = file->private_data;
fb784f05	247	char buf[16];
54239903	248	int ret;
fb784f05 BZ	249
	250	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd);
	251
	252	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	253	}
	254
	255	static const struct file_operations btmrvl_hscmd_fops = {
54239903 MH	256	.read = btmrvl_hscmd_read,
	257	.write = btmrvl_hscmd_write,
	258	.open = btmrvl_open_generic,
6038f373	259	.llseek = default_llseek,
fb784f05 BZ	260	};
	261
	262	static ssize_t btmrvl_hsmode_write(struct file file, const char __user ubuf,
54239903	263	size_t count, loff_t *ppos)
fb784f05	264	{
54239903	265	struct btmrvl_private *priv = file->private_data;
fb784f05	266	char buf[16];
54239903	267	long result, ret;
fb784f05 BZ	268
	269	memset(buf, 0, sizeof(buf));
	270
54239903	271	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	272	return -EFAULT;
	273
	274	ret = strict_strtol(buf, 10, &result);
	275
	276	priv->btmrvl_dev.hsmode = result;
	277
	278	return count;
	279	}
	280
	281	static ssize_t btmrvl_hsmode_read(struct file file, char __user userbuf,
54239903	282	size_t count, loff_t *ppos)
fb784f05	283	{
54239903	284	struct btmrvl_private *priv = file->private_data;
fb784f05	285	char buf[16];
54239903	286	int ret;
fb784f05	287
54239903	288	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hsmode);
fb784f05 BZ	289
	290	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	291	}
	292
	293	static const struct file_operations btmrvl_hsmode_fops = {
54239903 MH	294	.read = btmrvl_hsmode_read,
	295	.write = btmrvl_hsmode_write,
	296	.open = btmrvl_open_generic,
6038f373	297	.llseek = default_llseek,
fb784f05 BZ	298	};
fb784f05 BZ	299
54239903 MH	300	static ssize_t btmrvl_curpsmode_read(struct file file, char __user userbuf,
54239903 MH	301	size_t count, loff_t *ppos)
fb784f05	302	{
54239903	303	struct btmrvl_private *priv = file->private_data;
fb784f05	304	char buf[16];
54239903	305	int ret;
fb784f05 BZ	306
	307	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->psmode);
	308
	309	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	310	}
	311
	312	static const struct file_operations btmrvl_curpsmode_fops = {
54239903 MH	313	.read = btmrvl_curpsmode_read,
54239903 MH	314	.open = btmrvl_open_generic,
6038f373	315	.llseek = default_llseek,
fb784f05 BZ	316	};
	317
	318	static ssize_t btmrvl_psstate_read(struct file file, char __user userbuf,
54239903	319	size_t count, loff_t *ppos)
fb784f05	320	{
54239903	321	struct btmrvl_private *priv = file->private_data;
fb784f05	322	char buf[16];
54239903	323	int ret;
fb784f05	324
54239903	325	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->ps_state);
fb784f05 BZ	326
	327	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	328	}
	329
	330	static const struct file_operations btmrvl_psstate_fops = {
54239903 MH	331	.read = btmrvl_psstate_read,
54239903 MH	332	.open = btmrvl_open_generic,
6038f373	333	.llseek = default_llseek,
fb784f05 BZ	334	};
fb784f05 BZ	335
54239903 MH	336	static ssize_t btmrvl_hsstate_read(struct file file, char __user userbuf,
54239903 MH	337	size_t count, loff_t *ppos)
fb784f05	338	{
54239903	339	struct btmrvl_private *priv = file->private_data;
fb784f05	340	char buf[16];
54239903	341	int ret;
fb784f05	342
54239903	343	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->hs_state);
fb784f05 BZ	344
	345	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	346	}
	347
	348	static const struct file_operations btmrvl_hsstate_fops = {
54239903 MH	349	.read = btmrvl_hsstate_read,
54239903 MH	350	.open = btmrvl_open_generic,
6038f373	351	.llseek = default_llseek,
fb784f05 BZ	352	};
fb784f05 BZ	353
54239903 MH	354	static ssize_t btmrvl_txdnldready_read(struct file file, char __user userbuf,
54239903 MH	355	size_t count, loff_t *ppos)
fb784f05	356	{
54239903	357	struct btmrvl_private *priv = file->private_data;
fb784f05	358	char buf[16];
54239903	359	int ret;
fb784f05 BZ	360
fb784f05 BZ	361	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	362	priv->btmrvl_dev.tx_dnld_rdy);
fb784f05 BZ	363
	364	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	365	}
	366
	367	static const struct file_operations btmrvl_txdnldready_fops = {
54239903 MH	368	.read = btmrvl_txdnldready_read,
54239903 MH	369	.open = btmrvl_open_generic,
6038f373	370	.llseek = default_llseek,
fb784f05 BZ	371	};
	372
	373	void btmrvl_debugfs_init(struct hci_dev *hdev)
	374	{
54239903	375	struct btmrvl_private *priv = hdev->driver_data;
fb784f05 BZ	376	struct btmrvl_debugfs_data *dbg;
fb784f05 BZ	377
b914a250 MH	378	if (!hdev->debugfs)
	379	return;
	380
fb784f05 BZ	381	dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
	382	priv->debugfs_data = dbg;
	383
	384	if (!dbg) {
	385	BT_ERR("Can not allocate memory for btmrvl_debugfs_data.");
	386	return;
	387	}
	388
b914a250	389	dbg->config_dir = debugfs_create_dir("config", hdev->debugfs);
fb784f05 BZ	390
fb784f05 BZ	391	dbg->psmode = debugfs_create_file("psmode", 0644, dbg->config_dir,
54239903 MH	392	hdev->driver_data, &btmrvl_psmode_fops);
54239903 MH	393	dbg->pscmd = debugfs_create_file("pscmd", 0644, dbg->config_dir,
fb784f05	394	hdev->driver_data, &btmrvl_pscmd_fops);
54239903	395	dbg->gpiogap = debugfs_create_file("gpiogap", 0644, dbg->config_dir,
fb784f05	396	hdev->driver_data, &btmrvl_gpiogap_fops);
54239903	397	dbg->hsmode = debugfs_create_file("hsmode", 0644, dbg->config_dir,
fb784f05	398	hdev->driver_data, &btmrvl_hsmode_fops);
54239903	399	dbg->hscmd = debugfs_create_file("hscmd", 0644, dbg->config_dir,
fb784f05	400	hdev->driver_data, &btmrvl_hscmd_fops);
54239903	401	dbg->hscfgcmd = debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
fb784f05 BZ	402	hdev->driver_data, &btmrvl_hscfgcmd_fops);
fb784f05 BZ	403
b914a250	404	dbg->status_dir = debugfs_create_dir("status", hdev->debugfs);
fb784f05 BZ	405	dbg->curpsmode = debugfs_create_file("curpsmode", 0444,
	406	dbg->status_dir,
	407	hdev->driver_data,
	408	&btmrvl_curpsmode_fops);
54239903	409	dbg->psstate = debugfs_create_file("psstate", 0444, dbg->status_dir,
fb784f05	410	hdev->driver_data, &btmrvl_psstate_fops);
54239903	411	dbg->hsstate = debugfs_create_file("hsstate", 0444, dbg->status_dir,
fb784f05	412	hdev->driver_data, &btmrvl_hsstate_fops);
54239903 MH	413	dbg->txdnldready = debugfs_create_file("txdnldready", 0444,
	414	dbg->status_dir,
	415	hdev->driver_data,
	416	&btmrvl_txdnldready_fops);
fb784f05 BZ	417	}
	418
	419	void btmrvl_debugfs_remove(struct hci_dev *hdev)
	420	{
54239903	421	struct btmrvl_private *priv = hdev->driver_data;
fb784f05 BZ	422	struct btmrvl_debugfs_data *dbg = priv->debugfs_data;
	423
	424	if (!dbg)
	425	return;
	426
	427	debugfs_remove(dbg->psmode);
	428	debugfs_remove(dbg->pscmd);
	429	debugfs_remove(dbg->gpiogap);
	430	debugfs_remove(dbg->hsmode);
	431	debugfs_remove(dbg->hscmd);
	432	debugfs_remove(dbg->hscfgcmd);
	433	debugfs_remove(dbg->config_dir);
	434
	435	debugfs_remove(dbg->curpsmode);
	436	debugfs_remove(dbg->psstate);
	437	debugfs_remove(dbg->hsstate);
	438	debugfs_remove(dbg->txdnldready);
	439	debugfs_remove(dbg->status_dir);
	440
fb784f05 BZ	441	kfree(dbg);
fb784f05 BZ	442	}