[linux-2.6-block.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 <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>

#include "btmrvl_drv.h"

struct btmrvl_debugfs_data {
	struct dentry *root_dir, *config_dir, *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,
};

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,
};

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,
};

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,
};

static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf,
						size_t count, loff_t *ppos)
{
	struct btmrvl_private *priv = (struct btmrvl_private *) 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,
};

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,
};

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,
};

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,
};

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,
};

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,
};

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

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

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

	dbg->root_dir = debugfs_create_dir("btmrvl", NULL);

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

	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", dbg->root_dir);
	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);

	debugfs_remove(dbg->root_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>
	22
	23	#include <net/bluetooth/bluetooth.h>
	24	#include <net/bluetooth/hci_core.h>
	25
	26	#include "btmrvl_drv.h"
	27
	28	struct btmrvl_debugfs_data {
	29	struct dentry root_dir, config_dir, *status_dir;
	30
	31	/* config */
fb784f05 BZ	32	struct dentry *psmode;
	33	struct dentry *pscmd;
	34	struct dentry *hsmode;
	35	struct dentry *hscmd;
	36	struct dentry *gpiogap;
	37	struct dentry *hscfgcmd;
	38
	39	/* status */
	40	struct dentry *curpsmode;
	41	struct dentry *hsstate;
	42	struct dentry *psstate;
	43	struct dentry *txdnldready;
	44	};
	45
	46	static int btmrvl_open_generic(struct inode inode, struct file file)
	47	{
	48	file->private_data = inode->i_private;
	49	return 0;
	50	}
	51
	52	static ssize_t btmrvl_hscfgcmd_write(struct file *file,
54239903	53	const char __user ubuf, size_t count, loff_t ppos)
fb784f05	54	{
54239903	55	struct btmrvl_private *priv = file->private_data;
fb784f05	56	char buf[16];
54239903	57	long result, ret;
fb784f05 BZ	58
	59	memset(buf, 0, sizeof(buf));
	60
54239903	61	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	62	return -EFAULT;
	63
	64	ret = strict_strtol(buf, 10, &result);
	65
	66	priv->btmrvl_dev.hscfgcmd = result;
	67
	68	if (priv->btmrvl_dev.hscfgcmd) {
	69	btmrvl_prepare_command(priv);
	70	wake_up_interruptible(&priv->main_thread.wait_q);
	71	}
	72
	73	return count;
	74	}
	75
54239903 MH	76	static ssize_t btmrvl_hscfgcmd_read(struct file file, char __user userbuf,
54239903 MH	77	size_t count, loff_t *ppos)
fb784f05	78	{
54239903	79	struct btmrvl_private *priv = file->private_data;
fb784f05	80	char buf[16];
54239903	81	int ret;
fb784f05 BZ	82
fb784f05 BZ	83	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	84	priv->btmrvl_dev.hscfgcmd);
fb784f05 BZ	85
	86	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	87	}
	88
	89	static const struct file_operations btmrvl_hscfgcmd_fops = {
54239903 MH	90	.read = btmrvl_hscfgcmd_read,
	91	.write = btmrvl_hscfgcmd_write,
	92	.open = btmrvl_open_generic,
fb784f05 BZ	93	};
	94
	95	static ssize_t btmrvl_psmode_write(struct file file, const char __user ubuf,
54239903	96	size_t count, loff_t *ppos)
fb784f05	97	{
54239903	98	struct btmrvl_private *priv = file->private_data;
fb784f05	99	char buf[16];
54239903	100	long result, ret;
fb784f05 BZ	101
	102	memset(buf, 0, sizeof(buf));
	103
54239903	104	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	105	return -EFAULT;
	106
	107	ret = strict_strtol(buf, 10, &result);
	108
	109	priv->btmrvl_dev.psmode = result;
	110
	111	return count;
	112	}
	113
54239903 MH	114	static ssize_t btmrvl_psmode_read(struct file file, char __user userbuf,
54239903 MH	115	size_t count, loff_t *ppos)
fb784f05	116	{
54239903	117	struct btmrvl_private *priv = file->private_data;
fb784f05	118	char buf[16];
54239903	119	int ret;
fb784f05 BZ	120
fb784f05 BZ	121	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	122	priv->btmrvl_dev.psmode);
fb784f05 BZ	123
	124	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	125	}
	126
	127	static const struct file_operations btmrvl_psmode_fops = {
54239903 MH	128	.read = btmrvl_psmode_read,
	129	.write = btmrvl_psmode_write,
	130	.open = btmrvl_open_generic,
fb784f05 BZ	131	};
	132
	133	static ssize_t btmrvl_pscmd_write(struct file file, const char __user ubuf,
54239903	134	size_t count, loff_t *ppos)
fb784f05	135	{
54239903	136	struct btmrvl_private *priv = file->private_data;
fb784f05	137	char buf[16];
54239903	138	long result, ret;
fb784f05 BZ	139
	140	memset(buf, 0, sizeof(buf));
	141
54239903	142	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	143	return -EFAULT;
	144
	145	ret = strict_strtol(buf, 10, &result);
	146
	147	priv->btmrvl_dev.pscmd = result;
	148
	149	if (priv->btmrvl_dev.pscmd) {
	150	btmrvl_prepare_command(priv);
	151	wake_up_interruptible(&priv->main_thread.wait_q);
	152	}
	153
	154	return count;
	155
	156	}
	157
54239903 MH	158	static ssize_t btmrvl_pscmd_read(struct file file, char __user userbuf,
54239903 MH	159	size_t count, loff_t *ppos)
fb784f05	160	{
54239903	161	struct btmrvl_private *priv = file->private_data;
fb784f05	162	char buf[16];
54239903	163	int ret;
fb784f05 BZ	164
	165	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd);
	166
	167	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	168	}
	169
	170	static const struct file_operations btmrvl_pscmd_fops = {
	171	.read = btmrvl_pscmd_read,
	172	.write = btmrvl_pscmd_write,
	173	.open = btmrvl_open_generic,
	174	};
	175
	176	static ssize_t btmrvl_gpiogap_write(struct file file, const char __user ubuf,
54239903	177	size_t count, loff_t *ppos)
fb784f05	178	{
54239903	179	struct btmrvl_private *priv = file->private_data;
fb784f05	180	char buf[16];
54239903	181	long result, ret;
fb784f05 BZ	182
	183	memset(buf, 0, sizeof(buf));
	184
54239903	185	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	186	return -EFAULT;
	187
	188	ret = strict_strtol(buf, 16, &result);
	189
	190	priv->btmrvl_dev.gpio_gap = result;
	191
	192	return count;
	193	}
	194
54239903 MH	195	static ssize_t btmrvl_gpiogap_read(struct file file, char __user userbuf,
54239903 MH	196	size_t count, loff_t *ppos)
fb784f05	197	{
54239903	198	struct btmrvl_private *priv = file->private_data;
fb784f05	199	char buf[16];
54239903	200	int ret;
fb784f05 BZ	201
fb784f05 BZ	202	ret = snprintf(buf, sizeof(buf) - 1, "0x%x\n",
54239903	203	priv->btmrvl_dev.gpio_gap);
fb784f05 BZ	204
	205	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	206	}
	207
	208	static const struct file_operations btmrvl_gpiogap_fops = {
54239903 MH	209	.read = btmrvl_gpiogap_read,
	210	.write = btmrvl_gpiogap_write,
	211	.open = btmrvl_open_generic,
fb784f05 BZ	212	};
	213
	214	static ssize_t btmrvl_hscmd_write(struct file file, const char __user ubuf,
54239903	215	size_t count, loff_t *ppos)
fb784f05	216	{
54239903	217	struct btmrvl_private priv = (struct btmrvl_private ) file->private_data;
fb784f05	218	char buf[16];
54239903	219	long result, ret;
fb784f05 BZ	220
	221	memset(buf, 0, sizeof(buf));
	222
54239903	223	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	224	return -EFAULT;
	225
	226	ret = strict_strtol(buf, 10, &result);
	227
	228	priv->btmrvl_dev.hscmd = result;
	229	if (priv->btmrvl_dev.hscmd) {
	230	btmrvl_prepare_command(priv);
	231	wake_up_interruptible(&priv->main_thread.wait_q);
	232	}
	233
	234	return count;
	235	}
	236
54239903 MH	237	static ssize_t btmrvl_hscmd_read(struct file file, char __user userbuf,
54239903 MH	238	size_t count, loff_t *ppos)
fb784f05	239	{
54239903	240	struct btmrvl_private *priv = file->private_data;
fb784f05	241	char buf[16];
54239903	242	int ret;
fb784f05 BZ	243
	244	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd);
	245
	246	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	247	}
	248
	249	static const struct file_operations btmrvl_hscmd_fops = {
54239903 MH	250	.read = btmrvl_hscmd_read,
	251	.write = btmrvl_hscmd_write,
	252	.open = btmrvl_open_generic,
fb784f05 BZ	253	};
	254
	255	static ssize_t btmrvl_hsmode_write(struct file file, const char __user ubuf,
54239903	256	size_t count, loff_t *ppos)
fb784f05	257	{
54239903	258	struct btmrvl_private *priv = file->private_data;
fb784f05	259	char buf[16];
54239903	260	long result, ret;
fb784f05 BZ	261
	262	memset(buf, 0, sizeof(buf));
	263
54239903	264	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	265	return -EFAULT;
	266
	267	ret = strict_strtol(buf, 10, &result);
	268
	269	priv->btmrvl_dev.hsmode = result;
	270
	271	return count;
	272	}
	273
	274	static ssize_t btmrvl_hsmode_read(struct file file, char __user userbuf,
54239903	275	size_t count, loff_t *ppos)
fb784f05	276	{
54239903	277	struct btmrvl_private *priv = file->private_data;
fb784f05	278	char buf[16];
54239903	279	int ret;
fb784f05	280
54239903	281	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hsmode);
fb784f05 BZ	282
	283	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	284	}
	285
	286	static const struct file_operations btmrvl_hsmode_fops = {
54239903 MH	287	.read = btmrvl_hsmode_read,
	288	.write = btmrvl_hsmode_write,
	289	.open = btmrvl_open_generic,
fb784f05 BZ	290	};
fb784f05 BZ	291
54239903 MH	292	static ssize_t btmrvl_curpsmode_read(struct file file, char __user userbuf,
54239903 MH	293	size_t count, loff_t *ppos)
fb784f05	294	{
54239903	295	struct btmrvl_private *priv = file->private_data;
fb784f05	296	char buf[16];
54239903	297	int ret;
fb784f05 BZ	298
	299	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->psmode);
	300
	301	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	302	}
	303
	304	static const struct file_operations btmrvl_curpsmode_fops = {
54239903 MH	305	.read = btmrvl_curpsmode_read,
54239903 MH	306	.open = btmrvl_open_generic,
fb784f05 BZ	307	};
	308
	309	static ssize_t btmrvl_psstate_read(struct file file, char __user userbuf,
54239903	310	size_t count, loff_t *ppos)
fb784f05	311	{
54239903	312	struct btmrvl_private *priv = file->private_data;
fb784f05	313	char buf[16];
54239903	314	int ret;
fb784f05	315
54239903	316	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->ps_state);
fb784f05 BZ	317
	318	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	319	}
	320
	321	static const struct file_operations btmrvl_psstate_fops = {
54239903 MH	322	.read = btmrvl_psstate_read,
54239903 MH	323	.open = btmrvl_open_generic,
fb784f05 BZ	324	};
fb784f05 BZ	325
54239903 MH	326	static ssize_t btmrvl_hsstate_read(struct file file, char __user userbuf,
54239903 MH	327	size_t count, loff_t *ppos)
fb784f05	328	{
54239903	329	struct btmrvl_private *priv = file->private_data;
fb784f05	330	char buf[16];
54239903	331	int ret;
fb784f05	332
54239903	333	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->hs_state);
fb784f05 BZ	334
	335	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	336	}
	337
	338	static const struct file_operations btmrvl_hsstate_fops = {
54239903 MH	339	.read = btmrvl_hsstate_read,
54239903 MH	340	.open = btmrvl_open_generic,
fb784f05 BZ	341	};
fb784f05 BZ	342
54239903 MH	343	static ssize_t btmrvl_txdnldready_read(struct file file, char __user userbuf,
54239903 MH	344	size_t count, loff_t *ppos)
fb784f05	345	{
54239903	346	struct btmrvl_private *priv = file->private_data;
fb784f05	347	char buf[16];
54239903	348	int ret;
fb784f05 BZ	349
fb784f05 BZ	350	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	351	priv->btmrvl_dev.tx_dnld_rdy);
fb784f05 BZ	352
	353	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	354	}
	355
	356	static const struct file_operations btmrvl_txdnldready_fops = {
54239903 MH	357	.read = btmrvl_txdnldready_read,
54239903 MH	358	.open = btmrvl_open_generic,
fb784f05 BZ	359	};
	360
	361	void btmrvl_debugfs_init(struct hci_dev *hdev)
	362	{
54239903	363	struct btmrvl_private *priv = hdev->driver_data;
fb784f05 BZ	364	struct btmrvl_debugfs_data *dbg;
	365
	366	dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
	367	priv->debugfs_data = dbg;
	368
	369	if (!dbg) {
	370	BT_ERR("Can not allocate memory for btmrvl_debugfs_data.");
	371	return;
	372	}
	373
	374	dbg->root_dir = debugfs_create_dir("btmrvl", NULL);
	375
	376	dbg->config_dir = debugfs_create_dir("config", dbg->root_dir);
	377
	378	dbg->psmode = debugfs_create_file("psmode", 0644, dbg->config_dir,
54239903 MH	379	hdev->driver_data, &btmrvl_psmode_fops);
54239903 MH	380	dbg->pscmd = debugfs_create_file("pscmd", 0644, dbg->config_dir,
fb784f05	381	hdev->driver_data, &btmrvl_pscmd_fops);
54239903	382	dbg->gpiogap = debugfs_create_file("gpiogap", 0644, dbg->config_dir,
fb784f05	383	hdev->driver_data, &btmrvl_gpiogap_fops);
54239903	384	dbg->hsmode = debugfs_create_file("hsmode", 0644, dbg->config_dir,
fb784f05	385	hdev->driver_data, &btmrvl_hsmode_fops);
54239903	386	dbg->hscmd = debugfs_create_file("hscmd", 0644, dbg->config_dir,
fb784f05	387	hdev->driver_data, &btmrvl_hscmd_fops);
54239903	388	dbg->hscfgcmd = debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
fb784f05 BZ	389	hdev->driver_data, &btmrvl_hscfgcmd_fops);
	390
	391	dbg->status_dir = debugfs_create_dir("status", dbg->root_dir);
	392	dbg->curpsmode = debugfs_create_file("curpsmode", 0444,
	393	dbg->status_dir,
	394	hdev->driver_data,
	395	&btmrvl_curpsmode_fops);
54239903	396	dbg->psstate = debugfs_create_file("psstate", 0444, dbg->status_dir,
fb784f05	397	hdev->driver_data, &btmrvl_psstate_fops);
54239903	398	dbg->hsstate = debugfs_create_file("hsstate", 0444, dbg->status_dir,
fb784f05	399	hdev->driver_data, &btmrvl_hsstate_fops);
54239903 MH	400	dbg->txdnldready = debugfs_create_file("txdnldready", 0444,
	401	dbg->status_dir,
	402	hdev->driver_data,
	403	&btmrvl_txdnldready_fops);
fb784f05 BZ	404	}
	405
	406	void btmrvl_debugfs_remove(struct hci_dev *hdev)
	407	{
54239903	408	struct btmrvl_private *priv = hdev->driver_data;
fb784f05 BZ	409	struct btmrvl_debugfs_data *dbg = priv->debugfs_data;
	410
	411	if (!dbg)
	412	return;
	413
	414	debugfs_remove(dbg->psmode);
	415	debugfs_remove(dbg->pscmd);
	416	debugfs_remove(dbg->gpiogap);
	417	debugfs_remove(dbg->hsmode);
	418	debugfs_remove(dbg->hscmd);
	419	debugfs_remove(dbg->hscfgcmd);
	420	debugfs_remove(dbg->config_dir);
	421
	422	debugfs_remove(dbg->curpsmode);
	423	debugfs_remove(dbg->psstate);
	424	debugfs_remove(dbg->hsstate);
	425	debugfs_remove(dbg->txdnldready);
	426	debugfs_remove(dbg->status_dir);
	427
	428	debugfs_remove(dbg->root_dir);
	429
	430	kfree(dbg);
	431	}