[linux.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);
	if (ret)
		return ret;

	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);
	if (ret)
		return ret;

	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);
	if (ret)
		return ret;

	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);
	if (ret)
		return ret;

	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);
	if (ret)
		return ret;

	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);
	if (ret)
		return ret;

	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);
26e7acf3 DM	67	if (ret)
26e7acf3 DM	68	return ret;
fb784f05 BZ	69
	70	priv->btmrvl_dev.hscfgcmd = result;
	71
	72	if (priv->btmrvl_dev.hscfgcmd) {
	73	btmrvl_prepare_command(priv);
	74	wake_up_interruptible(&priv->main_thread.wait_q);
	75	}
	76
	77	return count;
	78	}
	79
54239903 MH	80	static ssize_t btmrvl_hscfgcmd_read(struct file file, char __user userbuf,
54239903 MH	81	size_t count, loff_t *ppos)
fb784f05	82	{
54239903	83	struct btmrvl_private *priv = file->private_data;
fb784f05	84	char buf[16];
54239903	85	int ret;
fb784f05 BZ	86
fb784f05 BZ	87	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	88	priv->btmrvl_dev.hscfgcmd);
fb784f05 BZ	89
	90	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	91	}
	92
	93	static const struct file_operations btmrvl_hscfgcmd_fops = {
54239903 MH	94	.read = btmrvl_hscfgcmd_read,
	95	.write = btmrvl_hscfgcmd_write,
	96	.open = btmrvl_open_generic,
6038f373	97	.llseek = default_llseek,
fb784f05 BZ	98	};
	99
	100	static ssize_t btmrvl_psmode_write(struct file file, const char __user ubuf,
54239903	101	size_t count, loff_t *ppos)
fb784f05	102	{
54239903	103	struct btmrvl_private *priv = file->private_data;
fb784f05	104	char buf[16];
54239903	105	long result, ret;
fb784f05 BZ	106
	107	memset(buf, 0, sizeof(buf));
	108
54239903	109	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	110	return -EFAULT;
	111
	112	ret = strict_strtol(buf, 10, &result);
26e7acf3 DM	113	if (ret)
26e7acf3 DM	114	return ret;
fb784f05 BZ	115
	116	priv->btmrvl_dev.psmode = result;
	117
	118	return count;
	119	}
	120
54239903 MH	121	static ssize_t btmrvl_psmode_read(struct file file, char __user userbuf,
54239903 MH	122	size_t count, loff_t *ppos)
fb784f05	123	{
54239903	124	struct btmrvl_private *priv = file->private_data;
fb784f05	125	char buf[16];
54239903	126	int ret;
fb784f05 BZ	127
fb784f05 BZ	128	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	129	priv->btmrvl_dev.psmode);
fb784f05 BZ	130
	131	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	132	}
	133
	134	static const struct file_operations btmrvl_psmode_fops = {
54239903 MH	135	.read = btmrvl_psmode_read,
	136	.write = btmrvl_psmode_write,
	137	.open = btmrvl_open_generic,
6038f373	138	.llseek = default_llseek,
fb784f05 BZ	139	};
	140
	141	static ssize_t btmrvl_pscmd_write(struct file file, const char __user ubuf,
54239903	142	size_t count, loff_t *ppos)
fb784f05	143	{
54239903	144	struct btmrvl_private *priv = file->private_data;
fb784f05	145	char buf[16];
54239903	146	long result, ret;
fb784f05 BZ	147
	148	memset(buf, 0, sizeof(buf));
	149
54239903	150	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	151	return -EFAULT;
	152
	153	ret = strict_strtol(buf, 10, &result);
26e7acf3 DM	154	if (ret)
26e7acf3 DM	155	return ret;
fb784f05 BZ	156
	157	priv->btmrvl_dev.pscmd = result;
	158
	159	if (priv->btmrvl_dev.pscmd) {
	160	btmrvl_prepare_command(priv);
	161	wake_up_interruptible(&priv->main_thread.wait_q);
	162	}
	163
	164	return count;
	165
	166	}
	167
54239903 MH	168	static ssize_t btmrvl_pscmd_read(struct file file, char __user userbuf,
54239903 MH	169	size_t count, loff_t *ppos)
fb784f05	170	{
54239903	171	struct btmrvl_private *priv = file->private_data;
fb784f05	172	char buf[16];
54239903	173	int ret;
fb784f05 BZ	174
	175	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd);
	176
	177	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	178	}
	179
	180	static const struct file_operations btmrvl_pscmd_fops = {
	181	.read = btmrvl_pscmd_read,
	182	.write = btmrvl_pscmd_write,
	183	.open = btmrvl_open_generic,
6038f373	184	.llseek = default_llseek,
fb784f05 BZ	185	};
	186
	187	static ssize_t btmrvl_gpiogap_write(struct file file, const char __user ubuf,
54239903	188	size_t count, loff_t *ppos)
fb784f05	189	{
54239903	190	struct btmrvl_private *priv = file->private_data;
fb784f05	191	char buf[16];
54239903	192	long result, ret;
fb784f05 BZ	193
	194	memset(buf, 0, sizeof(buf));
	195
54239903	196	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	197	return -EFAULT;
	198
	199	ret = strict_strtol(buf, 16, &result);
26e7acf3 DM	200	if (ret)
26e7acf3 DM	201	return ret;
fb784f05 BZ	202
	203	priv->btmrvl_dev.gpio_gap = result;
	204
	205	return count;
	206	}
	207
54239903 MH	208	static ssize_t btmrvl_gpiogap_read(struct file file, char __user userbuf,
54239903 MH	209	size_t count, loff_t *ppos)
fb784f05	210	{
54239903	211	struct btmrvl_private *priv = file->private_data;
fb784f05	212	char buf[16];
54239903	213	int ret;
fb784f05 BZ	214
fb784f05 BZ	215	ret = snprintf(buf, sizeof(buf) - 1, "0x%x\n",
54239903	216	priv->btmrvl_dev.gpio_gap);
fb784f05 BZ	217
	218	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	219	}
	220
	221	static const struct file_operations btmrvl_gpiogap_fops = {
54239903 MH	222	.read = btmrvl_gpiogap_read,
	223	.write = btmrvl_gpiogap_write,
	224	.open = btmrvl_open_generic,
6038f373	225	.llseek = default_llseek,
fb784f05 BZ	226	};
	227
	228	static ssize_t btmrvl_hscmd_write(struct file file, const char __user ubuf,
54239903	229	size_t count, loff_t *ppos)
fb784f05	230	{
be60b940	231	struct btmrvl_private *priv = file->private_data;
fb784f05	232	char buf[16];
54239903	233	long result, ret;
fb784f05 BZ	234
	235	memset(buf, 0, sizeof(buf));
	236
54239903	237	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	238	return -EFAULT;
	239
	240	ret = strict_strtol(buf, 10, &result);
26e7acf3 DM	241	if (ret)
26e7acf3 DM	242	return ret;
fb784f05 BZ	243
	244	priv->btmrvl_dev.hscmd = result;
	245	if (priv->btmrvl_dev.hscmd) {
	246	btmrvl_prepare_command(priv);
	247	wake_up_interruptible(&priv->main_thread.wait_q);
	248	}
	249
	250	return count;
	251	}
	252
54239903 MH	253	static ssize_t btmrvl_hscmd_read(struct file file, char __user userbuf,
54239903 MH	254	size_t count, loff_t *ppos)
fb784f05	255	{
54239903	256	struct btmrvl_private *priv = file->private_data;
fb784f05	257	char buf[16];
54239903	258	int ret;
fb784f05 BZ	259
	260	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd);
	261
	262	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	263	}
	264
	265	static const struct file_operations btmrvl_hscmd_fops = {
54239903 MH	266	.read = btmrvl_hscmd_read,
	267	.write = btmrvl_hscmd_write,
	268	.open = btmrvl_open_generic,
6038f373	269	.llseek = default_llseek,
fb784f05 BZ	270	};
	271
	272	static ssize_t btmrvl_hsmode_write(struct file file, const char __user ubuf,
54239903	273	size_t count, loff_t *ppos)
fb784f05	274	{
54239903	275	struct btmrvl_private *priv = file->private_data;
fb784f05	276	char buf[16];
54239903	277	long result, ret;
fb784f05 BZ	278
	279	memset(buf, 0, sizeof(buf));
	280
54239903	281	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	282	return -EFAULT;
	283
	284	ret = strict_strtol(buf, 10, &result);
26e7acf3 DM	285	if (ret)
26e7acf3 DM	286	return ret;
fb784f05 BZ	287
	288	priv->btmrvl_dev.hsmode = result;
	289
	290	return count;
	291	}
	292
	293	static ssize_t btmrvl_hsmode_read(struct file file, char __user userbuf,
54239903	294	size_t count, loff_t *ppos)
fb784f05	295	{
54239903	296	struct btmrvl_private *priv = file->private_data;
fb784f05	297	char buf[16];
54239903	298	int ret;
fb784f05	299
54239903	300	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hsmode);
fb784f05 BZ	301
	302	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	303	}
	304
	305	static const struct file_operations btmrvl_hsmode_fops = {
54239903 MH	306	.read = btmrvl_hsmode_read,
	307	.write = btmrvl_hsmode_write,
	308	.open = btmrvl_open_generic,
6038f373	309	.llseek = default_llseek,
fb784f05 BZ	310	};
fb784f05 BZ	311
54239903 MH	312	static ssize_t btmrvl_curpsmode_read(struct file file, char __user userbuf,
54239903 MH	313	size_t count, loff_t *ppos)
fb784f05	314	{
54239903	315	struct btmrvl_private *priv = file->private_data;
fb784f05	316	char buf[16];
54239903	317	int ret;
fb784f05 BZ	318
	319	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->psmode);
	320
	321	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	322	}
	323
	324	static const struct file_operations btmrvl_curpsmode_fops = {
54239903 MH	325	.read = btmrvl_curpsmode_read,
54239903 MH	326	.open = btmrvl_open_generic,
6038f373	327	.llseek = default_llseek,
fb784f05 BZ	328	};
	329
	330	static ssize_t btmrvl_psstate_read(struct file file, char __user userbuf,
54239903	331	size_t count, loff_t *ppos)
fb784f05	332	{
54239903	333	struct btmrvl_private *priv = file->private_data;
fb784f05	334	char buf[16];
54239903	335	int ret;
fb784f05	336
54239903	337	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->ps_state);
fb784f05 BZ	338
	339	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	340	}
	341
	342	static const struct file_operations btmrvl_psstate_fops = {
54239903 MH	343	.read = btmrvl_psstate_read,
54239903 MH	344	.open = btmrvl_open_generic,
6038f373	345	.llseek = default_llseek,
fb784f05 BZ	346	};
fb784f05 BZ	347
54239903 MH	348	static ssize_t btmrvl_hsstate_read(struct file file, char __user userbuf,
54239903 MH	349	size_t count, loff_t *ppos)
fb784f05	350	{
54239903	351	struct btmrvl_private *priv = file->private_data;
fb784f05	352	char buf[16];
54239903	353	int ret;
fb784f05	354
54239903	355	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->hs_state);
fb784f05 BZ	356
	357	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	358	}
	359
	360	static const struct file_operations btmrvl_hsstate_fops = {
54239903 MH	361	.read = btmrvl_hsstate_read,
54239903 MH	362	.open = btmrvl_open_generic,
6038f373	363	.llseek = default_llseek,
fb784f05 BZ	364	};
fb784f05 BZ	365
54239903 MH	366	static ssize_t btmrvl_txdnldready_read(struct file file, char __user userbuf,
54239903 MH	367	size_t count, loff_t *ppos)
fb784f05	368	{
54239903	369	struct btmrvl_private *priv = file->private_data;
fb784f05	370	char buf[16];
54239903	371	int ret;
fb784f05 BZ	372
fb784f05 BZ	373	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	374	priv->btmrvl_dev.tx_dnld_rdy);
fb784f05 BZ	375
	376	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	377	}
	378
	379	static const struct file_operations btmrvl_txdnldready_fops = {
54239903 MH	380	.read = btmrvl_txdnldready_read,
54239903 MH	381	.open = btmrvl_open_generic,
6038f373	382	.llseek = default_llseek,
fb784f05 BZ	383	};
	384
	385	void btmrvl_debugfs_init(struct hci_dev *hdev)
	386	{
54239903	387	struct btmrvl_private *priv = hdev->driver_data;
fb784f05 BZ	388	struct btmrvl_debugfs_data *dbg;
fb784f05 BZ	389
b914a250 MH	390	if (!hdev->debugfs)
	391	return;
	392
fb784f05 BZ	393	dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
	394	priv->debugfs_data = dbg;
	395
	396	if (!dbg) {
	397	BT_ERR("Can not allocate memory for btmrvl_debugfs_data.");
	398	return;
	399	}
	400
b914a250	401	dbg->config_dir = debugfs_create_dir("config", hdev->debugfs);
fb784f05 BZ	402
fb784f05 BZ	403	dbg->psmode = debugfs_create_file("psmode", 0644, dbg->config_dir,
54239903 MH	404	hdev->driver_data, &btmrvl_psmode_fops);
54239903 MH	405	dbg->pscmd = debugfs_create_file("pscmd", 0644, dbg->config_dir,
fb784f05	406	hdev->driver_data, &btmrvl_pscmd_fops);
54239903	407	dbg->gpiogap = debugfs_create_file("gpiogap", 0644, dbg->config_dir,
fb784f05	408	hdev->driver_data, &btmrvl_gpiogap_fops);
54239903	409	dbg->hsmode = debugfs_create_file("hsmode", 0644, dbg->config_dir,
fb784f05	410	hdev->driver_data, &btmrvl_hsmode_fops);
54239903	411	dbg->hscmd = debugfs_create_file("hscmd", 0644, dbg->config_dir,
fb784f05	412	hdev->driver_data, &btmrvl_hscmd_fops);
54239903	413	dbg->hscfgcmd = debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
fb784f05 BZ	414	hdev->driver_data, &btmrvl_hscfgcmd_fops);
fb784f05 BZ	415
b914a250	416	dbg->status_dir = debugfs_create_dir("status", hdev->debugfs);
fb784f05 BZ	417	dbg->curpsmode = debugfs_create_file("curpsmode", 0444,
	418	dbg->status_dir,
	419	hdev->driver_data,
	420	&btmrvl_curpsmode_fops);
54239903	421	dbg->psstate = debugfs_create_file("psstate", 0444, dbg->status_dir,
fb784f05	422	hdev->driver_data, &btmrvl_psstate_fops);
54239903	423	dbg->hsstate = debugfs_create_file("hsstate", 0444, dbg->status_dir,
fb784f05	424	hdev->driver_data, &btmrvl_hsstate_fops);
54239903 MH	425	dbg->txdnldready = debugfs_create_file("txdnldready", 0444,
	426	dbg->status_dir,
	427	hdev->driver_data,
	428	&btmrvl_txdnldready_fops);
fb784f05 BZ	429	}
	430
	431	void btmrvl_debugfs_remove(struct hci_dev *hdev)
	432	{
54239903	433	struct btmrvl_private *priv = hdev->driver_data;
fb784f05 BZ	434	struct btmrvl_debugfs_data *dbg = priv->debugfs_data;
	435
	436	if (!dbg)
	437	return;
	438
	439	debugfs_remove(dbg->psmode);
	440	debugfs_remove(dbg->pscmd);
	441	debugfs_remove(dbg->gpiogap);
	442	debugfs_remove(dbg->hsmode);
	443	debugfs_remove(dbg->hscmd);
	444	debugfs_remove(dbg->hscfgcmd);
	445	debugfs_remove(dbg->config_dir);
	446
	447	debugfs_remove(dbg->curpsmode);
	448	debugfs_remove(dbg->psstate);
	449	debugfs_remove(dbg->hsstate);
	450	debugfs_remove(dbg->txdnldready);
	451	debugfs_remove(dbg->status_dir);
	452
fb784f05 BZ	453	kfree(dbg);
fb784f05 BZ	454	}