[deliverable/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 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	= simple_open,
	.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	= simple_open,
	.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 = simple_open,
	.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	= simple_open,
	.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	= simple_open,
	.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	= simple_open,
	.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	= simple_open,
	.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	= simple_open,
	.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	= simple_open,
	.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	= simple_open,
	.llseek = default_llseek,
};

void btmrvl_debugfs_init(struct hci_dev *hdev)
{
	struct btmrvl_private *priv = hci_get_drvdata(hdev);
	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,
					  priv, &btmrvl_psmode_fops);
	dbg->pscmd = debugfs_create_file("pscmd", 0644, dbg->config_dir,
					 priv, &btmrvl_pscmd_fops);
	dbg->gpiogap = debugfs_create_file("gpiogap", 0644, dbg->config_dir,
					   priv, &btmrvl_gpiogap_fops);
	dbg->hsmode =  debugfs_create_file("hsmode", 0644, dbg->config_dir,
					   priv, &btmrvl_hsmode_fops);
	dbg->hscmd = debugfs_create_file("hscmd", 0644, dbg->config_dir,
					 priv, &btmrvl_hscmd_fops);
	dbg->hscfgcmd = debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
					    priv, &btmrvl_hscfgcmd_fops);

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

void btmrvl_debugfs_remove(struct hci_dev *hdev)
{
	struct btmrvl_private *priv = hci_get_drvdata(hdev);
	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
fb784f05	48	static ssize_t btmrvl_hscfgcmd_write(struct file *file,
54239903	49	const char __user ubuf, size_t count, loff_t ppos)
fb784f05	50	{
54239903	51	struct btmrvl_private *priv = file->private_data;
fb784f05	52	char buf[16];
54239903	53	long result, ret;
fb784f05 BZ	54
	55	memset(buf, 0, sizeof(buf));
	56
54239903	57	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	58	return -EFAULT;
	59
	60	ret = strict_strtol(buf, 10, &result);
26e7acf3 DM	61	if (ret)
26e7acf3 DM	62	return ret;
fb784f05 BZ	63
	64	priv->btmrvl_dev.hscfgcmd = result;
	65
	66	if (priv->btmrvl_dev.hscfgcmd) {
	67	btmrvl_prepare_command(priv);
	68	wake_up_interruptible(&priv->main_thread.wait_q);
	69	}
	70
	71	return count;
	72	}
	73
54239903 MH	74	static ssize_t btmrvl_hscfgcmd_read(struct file file, char __user userbuf,
54239903 MH	75	size_t count, loff_t *ppos)
fb784f05	76	{
54239903	77	struct btmrvl_private *priv = file->private_data;
fb784f05	78	char buf[16];
54239903	79	int ret;
fb784f05 BZ	80
fb784f05 BZ	81	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	82	priv->btmrvl_dev.hscfgcmd);
fb784f05 BZ	83
	84	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	85	}
	86
	87	static const struct file_operations btmrvl_hscfgcmd_fops = {
54239903 MH	88	.read = btmrvl_hscfgcmd_read,
54239903 MH	89	.write = btmrvl_hscfgcmd_write,
234e3405	90	.open = simple_open,
6038f373	91	.llseek = default_llseek,
fb784f05 BZ	92	};
	93
	94	static ssize_t btmrvl_psmode_write(struct file file, const char __user ubuf,
54239903	95	size_t count, loff_t *ppos)
fb784f05	96	{
54239903	97	struct btmrvl_private *priv = file->private_data;
fb784f05	98	char buf[16];
54239903	99	long result, ret;
fb784f05 BZ	100
	101	memset(buf, 0, sizeof(buf));
	102
54239903	103	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	104	return -EFAULT;
	105
	106	ret = strict_strtol(buf, 10, &result);
26e7acf3 DM	107	if (ret)
26e7acf3 DM	108	return ret;
fb784f05 BZ	109
	110	priv->btmrvl_dev.psmode = result;
	111
	112	return count;
	113	}
	114
54239903 MH	115	static ssize_t btmrvl_psmode_read(struct file file, char __user userbuf,
54239903 MH	116	size_t count, loff_t *ppos)
fb784f05	117	{
54239903	118	struct btmrvl_private *priv = file->private_data;
fb784f05	119	char buf[16];
54239903	120	int ret;
fb784f05 BZ	121
fb784f05 BZ	122	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	123	priv->btmrvl_dev.psmode);
fb784f05 BZ	124
	125	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	126	}
	127
	128	static const struct file_operations btmrvl_psmode_fops = {
54239903 MH	129	.read = btmrvl_psmode_read,
54239903 MH	130	.write = btmrvl_psmode_write,
234e3405	131	.open = simple_open,
6038f373	132	.llseek = default_llseek,
fb784f05 BZ	133	};
	134
	135	static ssize_t btmrvl_pscmd_write(struct file file, const char __user ubuf,
54239903	136	size_t count, loff_t *ppos)
fb784f05	137	{
54239903	138	struct btmrvl_private *priv = file->private_data;
fb784f05	139	char buf[16];
54239903	140	long result, ret;
fb784f05 BZ	141
	142	memset(buf, 0, sizeof(buf));
	143
54239903	144	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	145	return -EFAULT;
	146
	147	ret = strict_strtol(buf, 10, &result);
26e7acf3 DM	148	if (ret)
26e7acf3 DM	149	return ret;
fb784f05 BZ	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,
234e3405	177	.open = simple_open,
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);
26e7acf3 DM	194	if (ret)
26e7acf3 DM	195	return ret;
fb784f05 BZ	196
	197	priv->btmrvl_dev.gpio_gap = result;
	198
	199	return count;
	200	}
	201
54239903 MH	202	static ssize_t btmrvl_gpiogap_read(struct file file, char __user userbuf,
54239903 MH	203	size_t count, loff_t *ppos)
fb784f05	204	{
54239903	205	struct btmrvl_private *priv = file->private_data;
fb784f05	206	char buf[16];
54239903	207	int ret;
fb784f05 BZ	208
fb784f05 BZ	209	ret = snprintf(buf, sizeof(buf) - 1, "0x%x\n",
54239903	210	priv->btmrvl_dev.gpio_gap);
fb784f05 BZ	211
	212	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	213	}
	214
	215	static const struct file_operations btmrvl_gpiogap_fops = {
54239903 MH	216	.read = btmrvl_gpiogap_read,
54239903 MH	217	.write = btmrvl_gpiogap_write,
234e3405	218	.open = simple_open,
6038f373	219	.llseek = default_llseek,
fb784f05 BZ	220	};
	221
	222	static ssize_t btmrvl_hscmd_write(struct file file, const char __user ubuf,
54239903	223	size_t count, loff_t *ppos)
fb784f05	224	{
be60b940	225	struct btmrvl_private *priv = file->private_data;
fb784f05	226	char buf[16];
54239903	227	long result, ret;
fb784f05 BZ	228
	229	memset(buf, 0, sizeof(buf));
	230
54239903	231	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	232	return -EFAULT;
	233
	234	ret = strict_strtol(buf, 10, &result);
26e7acf3 DM	235	if (ret)
26e7acf3 DM	236	return ret;
fb784f05 BZ	237
	238	priv->btmrvl_dev.hscmd = result;
	239	if (priv->btmrvl_dev.hscmd) {
	240	btmrvl_prepare_command(priv);
	241	wake_up_interruptible(&priv->main_thread.wait_q);
	242	}
	243
	244	return count;
	245	}
	246
54239903 MH	247	static ssize_t btmrvl_hscmd_read(struct file file, char __user userbuf,
54239903 MH	248	size_t count, loff_t *ppos)
fb784f05	249	{
54239903	250	struct btmrvl_private *priv = file->private_data;
fb784f05	251	char buf[16];
54239903	252	int ret;
fb784f05 BZ	253
	254	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd);
	255
	256	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	257	}
	258
	259	static const struct file_operations btmrvl_hscmd_fops = {
54239903 MH	260	.read = btmrvl_hscmd_read,
54239903 MH	261	.write = btmrvl_hscmd_write,
234e3405	262	.open = simple_open,
6038f373	263	.llseek = default_llseek,
fb784f05 BZ	264	};
	265
	266	static ssize_t btmrvl_hsmode_write(struct file file, const char __user ubuf,
54239903	267	size_t count, loff_t *ppos)
fb784f05	268	{
54239903	269	struct btmrvl_private *priv = file->private_data;
fb784f05	270	char buf[16];
54239903	271	long result, ret;
fb784f05 BZ	272
	273	memset(buf, 0, sizeof(buf));
	274
54239903	275	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
fb784f05 BZ	276	return -EFAULT;
	277
	278	ret = strict_strtol(buf, 10, &result);
26e7acf3 DM	279	if (ret)
26e7acf3 DM	280	return ret;
fb784f05 BZ	281
	282	priv->btmrvl_dev.hsmode = result;
	283
	284	return count;
	285	}
	286
	287	static ssize_t btmrvl_hsmode_read(struct file file, char __user userbuf,
54239903	288	size_t count, loff_t *ppos)
fb784f05	289	{
54239903	290	struct btmrvl_private *priv = file->private_data;
fb784f05	291	char buf[16];
54239903	292	int ret;
fb784f05	293
54239903	294	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hsmode);
fb784f05 BZ	295
	296	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	297	}
	298
	299	static const struct file_operations btmrvl_hsmode_fops = {
54239903 MH	300	.read = btmrvl_hsmode_read,
54239903 MH	301	.write = btmrvl_hsmode_write,
234e3405	302	.open = simple_open,
6038f373	303	.llseek = default_llseek,
fb784f05 BZ	304	};
fb784f05 BZ	305
54239903 MH	306	static ssize_t btmrvl_curpsmode_read(struct file file, char __user userbuf,
54239903 MH	307	size_t count, loff_t *ppos)
fb784f05	308	{
54239903	309	struct btmrvl_private *priv = file->private_data;
fb784f05	310	char buf[16];
54239903	311	int ret;
fb784f05 BZ	312
	313	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->psmode);
	314
	315	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	316	}
	317
	318	static const struct file_operations btmrvl_curpsmode_fops = {
54239903	319	.read = btmrvl_curpsmode_read,
234e3405	320	.open = simple_open,
6038f373	321	.llseek = default_llseek,
fb784f05 BZ	322	};
	323
	324	static ssize_t btmrvl_psstate_read(struct file file, char __user userbuf,
54239903	325	size_t count, loff_t *ppos)
fb784f05	326	{
54239903	327	struct btmrvl_private *priv = file->private_data;
fb784f05	328	char buf[16];
54239903	329	int ret;
fb784f05	330
54239903	331	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->ps_state);
fb784f05 BZ	332
	333	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	334	}
	335
	336	static const struct file_operations btmrvl_psstate_fops = {
54239903	337	.read = btmrvl_psstate_read,
234e3405	338	.open = simple_open,
6038f373	339	.llseek = default_llseek,
fb784f05 BZ	340	};
fb784f05 BZ	341
54239903 MH	342	static ssize_t btmrvl_hsstate_read(struct file file, char __user userbuf,
54239903 MH	343	size_t count, loff_t *ppos)
fb784f05	344	{
54239903	345	struct btmrvl_private *priv = file->private_data;
fb784f05	346	char buf[16];
54239903	347	int ret;
fb784f05	348
54239903	349	ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->hs_state);
fb784f05 BZ	350
	351	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	352	}
	353
	354	static const struct file_operations btmrvl_hsstate_fops = {
54239903	355	.read = btmrvl_hsstate_read,
234e3405	356	.open = simple_open,
6038f373	357	.llseek = default_llseek,
fb784f05 BZ	358	};
fb784f05 BZ	359
54239903 MH	360	static ssize_t btmrvl_txdnldready_read(struct file file, char __user userbuf,
54239903 MH	361	size_t count, loff_t *ppos)
fb784f05	362	{
54239903	363	struct btmrvl_private *priv = file->private_data;
fb784f05	364	char buf[16];
54239903	365	int ret;
fb784f05 BZ	366
fb784f05 BZ	367	ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
54239903	368	priv->btmrvl_dev.tx_dnld_rdy);
fb784f05 BZ	369
	370	return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
	371	}
	372
	373	static const struct file_operations btmrvl_txdnldready_fops = {
54239903	374	.read = btmrvl_txdnldready_read,
234e3405	375	.open = simple_open,
6038f373	376	.llseek = default_llseek,
fb784f05 BZ	377	};
	378
	379	void btmrvl_debugfs_init(struct hci_dev *hdev)
	380	{
155961e8	381	struct btmrvl_private *priv = hci_get_drvdata(hdev);
fb784f05 BZ	382	struct btmrvl_debugfs_data *dbg;
fb784f05 BZ	383
b914a250 MH	384	if (!hdev->debugfs)
	385	return;
	386
fb784f05 BZ	387	dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
	388	priv->debugfs_data = dbg;
	389
	390	if (!dbg) {
	391	BT_ERR("Can not allocate memory for btmrvl_debugfs_data.");
	392	return;
	393	}
	394
b914a250	395	dbg->config_dir = debugfs_create_dir("config", hdev->debugfs);
fb784f05 BZ	396
fb784f05 BZ	397	dbg->psmode = debugfs_create_file("psmode", 0644, dbg->config_dir,
04124681	398	priv, &btmrvl_psmode_fops);
54239903	399	dbg->pscmd = debugfs_create_file("pscmd", 0644, dbg->config_dir,
04124681	400	priv, &btmrvl_pscmd_fops);
54239903	401	dbg->gpiogap = debugfs_create_file("gpiogap", 0644, dbg->config_dir,
04124681	402	priv, &btmrvl_gpiogap_fops);
54239903	403	dbg->hsmode = debugfs_create_file("hsmode", 0644, dbg->config_dir,
04124681	404	priv, &btmrvl_hsmode_fops);
54239903	405	dbg->hscmd = debugfs_create_file("hscmd", 0644, dbg->config_dir,
04124681	406	priv, &btmrvl_hscmd_fops);
54239903	407	dbg->hscfgcmd = debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
04124681	408	priv, &btmrvl_hscfgcmd_fops);
fb784f05	409
b914a250	410	dbg->status_dir = debugfs_create_dir("status", hdev->debugfs);
fb784f05	411	dbg->curpsmode = debugfs_create_file("curpsmode", 0444,
04124681 GP	412	dbg->status_dir, priv,
04124681 GP	413	&btmrvl_curpsmode_fops);
54239903	414	dbg->psstate = debugfs_create_file("psstate", 0444, dbg->status_dir,
04124681	415	priv, &btmrvl_psstate_fops);
54239903	416	dbg->hsstate = debugfs_create_file("hsstate", 0444, dbg->status_dir,
04124681	417	priv, &btmrvl_hsstate_fops);
54239903	418	dbg->txdnldready = debugfs_create_file("txdnldready", 0444,
04124681 GP	419	dbg->status_dir, priv,
04124681 GP	420	&btmrvl_txdnldready_fops);
fb784f05 BZ	421	}
	422
	423	void btmrvl_debugfs_remove(struct hci_dev *hdev)
	424	{
155961e8	425	struct btmrvl_private *priv = hci_get_drvdata(hdev);
fb784f05 BZ	426	struct btmrvl_debugfs_data *dbg = priv->debugfs_data;
	427
	428	if (!dbg)
	429	return;
	430
	431	debugfs_remove(dbg->psmode);
	432	debugfs_remove(dbg->pscmd);
	433	debugfs_remove(dbg->gpiogap);
	434	debugfs_remove(dbg->hsmode);
	435	debugfs_remove(dbg->hscmd);
	436	debugfs_remove(dbg->hscfgcmd);
	437	debugfs_remove(dbg->config_dir);
	438
	439	debugfs_remove(dbg->curpsmode);
	440	debugfs_remove(dbg->psstate);
	441	debugfs_remove(dbg->hsstate);
	442	debugfs_remove(dbg->txdnldready);
	443	debugfs_remove(dbg->status_dir);
	444
fb784f05 BZ	445	kfree(dbg);
fb784f05 BZ	446	}