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path: root/drivers/input/misc/ati_remote2.c
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Diffstat (limited to 'drivers/input/misc/ati_remote2.c')
-rw-r--r--drivers/input/misc/ati_remote2.c608
1 files changed, 540 insertions, 68 deletions
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index f2709b82485..f63341f20b9 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -1,8 +1,8 @@
/*
* ati_remote2 - ATI/Philips USB RF remote driver
*
- * Copyright (C) 2005 Ville Syrjala <syrjala@sci.fi>
- * Copyright (C) 2007 Peter Stokes <linux@dadeos.freeserve.co.uk>
+ * Copyright (C) 2005-2008 Ville Syrjala <syrjala@sci.fi>
+ * Copyright (C) 2007-2008 Peter Stokes <linux@dadeos.co.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
@@ -10,9 +10,11 @@
*/
#include <linux/usb/input.h>
+#include <linux/slab.h>
+#include <linux/module.h>
#define DRIVER_DESC "ATI/Philips USB RF remote driver"
-#define DRIVER_VERSION "0.2"
+#define DRIVER_VERSION "0.3"
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_VERSION(DRIVER_VERSION);
@@ -27,16 +29,85 @@ MODULE_LICENSE("GPL");
* A remote's "channel" may be altered by pressing and holding the "PC" button for
* approximately 3 seconds, after which the button will slowly flash the count of the
* currently configured "channel", using the numeric keypad enter a number between 1 and
- * 16 and then the "PC" button again, the button will slowly flash the count of the
+ * 16 and then press the "PC" button again, the button will slowly flash the count of the
* newly configured "channel".
*/
-static unsigned int channel_mask = 0xFFFF;
-module_param(channel_mask, uint, 0644);
+enum {
+ ATI_REMOTE2_MAX_CHANNEL_MASK = 0xFFFF,
+ ATI_REMOTE2_MAX_MODE_MASK = 0x1F,
+};
+
+static int ati_remote2_set_mask(const char *val,
+ const struct kernel_param *kp,
+ unsigned int max)
+{
+ unsigned int mask;
+ int ret;
+
+ if (!val)
+ return -EINVAL;
+
+ ret = kstrtouint(val, 0, &mask);
+ if (ret)
+ return ret;
+
+ if (mask & ~max)
+ return -EINVAL;
+
+ *(unsigned int *)kp->arg = mask;
+
+ return 0;
+}
+
+static int ati_remote2_set_channel_mask(const char *val,
+ const struct kernel_param *kp)
+{
+ pr_debug("%s()\n", __func__);
+
+ return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_CHANNEL_MASK);
+}
+
+static int ati_remote2_get_channel_mask(char *buffer,
+ const struct kernel_param *kp)
+{
+ pr_debug("%s()\n", __func__);
+
+ return sprintf(buffer, "0x%04x", *(unsigned int *)kp->arg);
+}
+
+static int ati_remote2_set_mode_mask(const char *val,
+ const struct kernel_param *kp)
+{
+ pr_debug("%s()\n", __func__);
+
+ return ati_remote2_set_mask(val, kp, ATI_REMOTE2_MAX_MODE_MASK);
+}
+
+static int ati_remote2_get_mode_mask(char *buffer,
+ const struct kernel_param *kp)
+{
+ pr_debug("%s()\n", __func__);
+
+ return sprintf(buffer, "0x%02x", *(unsigned int *)kp->arg);
+}
+
+static unsigned int channel_mask = ATI_REMOTE2_MAX_CHANNEL_MASK;
+#define param_check_channel_mask(name, p) __param_check(name, p, unsigned int)
+static struct kernel_param_ops param_ops_channel_mask = {
+ .set = ati_remote2_set_channel_mask,
+ .get = ati_remote2_get_channel_mask,
+};
+module_param(channel_mask, channel_mask, 0644);
MODULE_PARM_DESC(channel_mask, "Bitmask of channels to accept <15:Channel16>...<1:Channel2><0:Channel1>");
-static unsigned int mode_mask = 0x1F;
-module_param(mode_mask, uint, 0644);
+static unsigned int mode_mask = ATI_REMOTE2_MAX_MODE_MASK;
+#define param_check_mode_mask(name, p) __param_check(name, p, unsigned int)
+static struct kernel_param_ops param_ops_mode_mask = {
+ .set = ati_remote2_set_mode_mask,
+ .get = ati_remote2_get_mode_mask,
+};
+module_param(mode_mask, mode_mask, 0644);
MODULE_PARM_DESC(mode_mask, "Bitmask of modes to accept <4:PC><3:AUX4><2:AUX3><1:AUX2><0:AUX1>");
static struct usb_device_id ati_remote2_id_table[] = {
@@ -45,9 +116,25 @@ static struct usb_device_id ati_remote2_id_table[] = {
};
MODULE_DEVICE_TABLE(usb, ati_remote2_id_table);
-static struct {
- int hw_code;
- int key_code;
+static DEFINE_MUTEX(ati_remote2_mutex);
+
+enum {
+ ATI_REMOTE2_OPENED = 0x1,
+ ATI_REMOTE2_SUSPENDED = 0x2,
+};
+
+enum {
+ ATI_REMOTE2_AUX1,
+ ATI_REMOTE2_AUX2,
+ ATI_REMOTE2_AUX3,
+ ATI_REMOTE2_AUX4,
+ ATI_REMOTE2_PC,
+ ATI_REMOTE2_MODES,
+};
+
+static const struct {
+ u8 hw_code;
+ u16 keycode;
} ati_remote2_key_table[] = {
{ 0x00, KEY_0 },
{ 0x01, KEY_1 },
@@ -73,6 +160,7 @@ static struct {
{ 0x37, KEY_RECORD },
{ 0x38, KEY_DVD },
{ 0x39, KEY_TV },
+ { 0x3f, KEY_PROG1 }, /* AUX1-AUX4 and PC */
{ 0x54, KEY_MENU },
{ 0x58, KEY_UP },
{ 0x59, KEY_DOWN },
@@ -91,15 +179,9 @@ static struct {
{ 0xa9, BTN_LEFT },
{ 0xaa, BTN_RIGHT },
{ 0xbe, KEY_QUESTION },
- { 0xd5, KEY_FRONT },
{ 0xd0, KEY_EDIT },
+ { 0xd5, KEY_FRONT },
{ 0xf9, KEY_INFO },
- { (0x00 << 8) | 0x3f, KEY_PROG1 },
- { (0x01 << 8) | 0x3f, KEY_PROG2 },
- { (0x02 << 8) | 0x3f, KEY_PROG3 },
- { (0x03 << 8) | 0x3f, KEY_PROG4 },
- { (0x04 << 8) | 0x3f, KEY_PC },
- { 0, KEY_RESERVED }
};
struct ati_remote2 {
@@ -117,46 +199,115 @@ struct ati_remote2 {
char name[64];
char phys[64];
+
+ /* Each mode (AUX1-AUX4 and PC) can have an independent keymap. */
+ u16 keycode[ATI_REMOTE2_MODES][ARRAY_SIZE(ati_remote2_key_table)];
+
+ unsigned int flags;
+
+ unsigned int channel_mask;
+ unsigned int mode_mask;
};
static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id);
static void ati_remote2_disconnect(struct usb_interface *interface);
+static int ati_remote2_suspend(struct usb_interface *interface, pm_message_t message);
+static int ati_remote2_resume(struct usb_interface *interface);
+static int ati_remote2_reset_resume(struct usb_interface *interface);
+static int ati_remote2_pre_reset(struct usb_interface *interface);
+static int ati_remote2_post_reset(struct usb_interface *interface);
static struct usb_driver ati_remote2_driver = {
.name = "ati_remote2",
.probe = ati_remote2_probe,
.disconnect = ati_remote2_disconnect,
.id_table = ati_remote2_id_table,
+ .suspend = ati_remote2_suspend,
+ .resume = ati_remote2_resume,
+ .reset_resume = ati_remote2_reset_resume,
+ .pre_reset = ati_remote2_pre_reset,
+ .post_reset = ati_remote2_post_reset,
+ .supports_autosuspend = 1,
};
-static int ati_remote2_open(struct input_dev *idev)
+static int ati_remote2_submit_urbs(struct ati_remote2 *ar2)
{
- struct ati_remote2 *ar2 = input_get_drvdata(idev);
int r;
r = usb_submit_urb(ar2->urb[0], GFP_KERNEL);
if (r) {
dev_err(&ar2->intf[0]->dev,
- "%s: usb_submit_urb() = %d\n", __FUNCTION__, r);
+ "%s(): usb_submit_urb() = %d\n", __func__, r);
return r;
}
r = usb_submit_urb(ar2->urb[1], GFP_KERNEL);
if (r) {
usb_kill_urb(ar2->urb[0]);
dev_err(&ar2->intf[1]->dev,
- "%s: usb_submit_urb() = %d\n", __FUNCTION__, r);
+ "%s(): usb_submit_urb() = %d\n", __func__, r);
return r;
}
return 0;
}
+static void ati_remote2_kill_urbs(struct ati_remote2 *ar2)
+{
+ usb_kill_urb(ar2->urb[1]);
+ usb_kill_urb(ar2->urb[0]);
+}
+
+static int ati_remote2_open(struct input_dev *idev)
+{
+ struct ati_remote2 *ar2 = input_get_drvdata(idev);
+ int r;
+
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ r = usb_autopm_get_interface(ar2->intf[0]);
+ if (r) {
+ dev_err(&ar2->intf[0]->dev,
+ "%s(): usb_autopm_get_interface() = %d\n", __func__, r);
+ goto fail1;
+ }
+
+ mutex_lock(&ati_remote2_mutex);
+
+ if (!(ar2->flags & ATI_REMOTE2_SUSPENDED)) {
+ r = ati_remote2_submit_urbs(ar2);
+ if (r)
+ goto fail2;
+ }
+
+ ar2->flags |= ATI_REMOTE2_OPENED;
+
+ mutex_unlock(&ati_remote2_mutex);
+
+ usb_autopm_put_interface(ar2->intf[0]);
+
+ return 0;
+
+ fail2:
+ mutex_unlock(&ati_remote2_mutex);
+ usb_autopm_put_interface(ar2->intf[0]);
+ fail1:
+ return r;
+}
+
static void ati_remote2_close(struct input_dev *idev)
{
struct ati_remote2 *ar2 = input_get_drvdata(idev);
- usb_kill_urb(ar2->urb[0]);
- usb_kill_urb(ar2->urb[1]);
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ mutex_lock(&ati_remote2_mutex);
+
+ if (!(ar2->flags & ATI_REMOTE2_SUSPENDED))
+ ati_remote2_kill_urbs(ar2);
+
+ ar2->flags &= ~ATI_REMOTE2_OPENED;
+
+ mutex_unlock(&ati_remote2_mutex);
}
static void ati_remote2_input_mouse(struct ati_remote2 *ar2)
@@ -167,19 +318,19 @@ static void ati_remote2_input_mouse(struct ati_remote2 *ar2)
channel = data[0] >> 4;
- if (!((1 << channel) & channel_mask))
+ if (!((1 << channel) & ar2->channel_mask))
return;
mode = data[0] & 0x0F;
- if (mode > 4) {
+ if (mode > ATI_REMOTE2_PC) {
dev_err(&ar2->intf[0]->dev,
"Unknown mode byte (%02x %02x %02x %02x)\n",
data[3], data[2], data[1], data[0]);
return;
}
- if (!((1 << mode) & mode_mask))
+ if (!((1 << mode) & ar2->mode_mask))
return;
input_event(idev, EV_REL, REL_X, (s8) data[1]);
@@ -191,7 +342,7 @@ static int ati_remote2_lookup(unsigned int hw_code)
{
int i;
- for (i = 0; ati_remote2_key_table[i].key_code != KEY_RESERVED; i++)
+ for (i = 0; i < ARRAY_SIZE(ati_remote2_key_table); i++)
if (ati_remote2_key_table[i].hw_code == hw_code)
return i;
@@ -206,12 +357,12 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2)
channel = data[0] >> 4;
- if (!((1 << channel) & channel_mask))
+ if (!((1 << channel) & ar2->channel_mask))
return;
mode = data[0] & 0x0F;
- if (mode > 4) {
+ if (mode > ATI_REMOTE2_PC) {
dev_err(&ar2->intf[1]->dev,
"Unknown mode byte (%02x %02x %02x %02x)\n",
data[3], data[2], data[1], data[0]);
@@ -219,10 +370,6 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2)
}
hw_code = data[2];
- /*
- * Mode keys (AUX1-AUX4, PC) all generate the same code byte.
- * Use the mode byte to figure out which one was pressed.
- */
if (hw_code == 0x3f) {
/*
* For some incomprehensible reason the mouse pad generates
@@ -236,11 +383,9 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2)
if (data[1] == 0)
ar2->mode = mode;
-
- hw_code |= mode << 8;
}
- if (!((1 << mode) & mode_mask))
+ if (!((1 << mode) & ar2->mode_mask))
return;
index = ati_remote2_lookup(hw_code);
@@ -260,8 +405,8 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2)
case 2: /* repeat */
/* No repeat for mouse buttons. */
- if (ati_remote2_key_table[index].key_code == BTN_LEFT ||
- ati_remote2_key_table[index].key_code == BTN_RIGHT)
+ if (ar2->keycode[mode][index] == BTN_LEFT ||
+ ar2->keycode[mode][index] == BTN_RIGHT)
return;
if (!time_after_eq(jiffies, ar2->jiffies))
@@ -276,7 +421,7 @@ static void ati_remote2_input_key(struct ati_remote2 *ar2)
return;
}
- input_event(idev, EV_KEY, ati_remote2_key_table[index].key_code, data[1]);
+ input_event(idev, EV_KEY, ar2->keycode[mode][index], data[1]);
input_sync(idev);
}
@@ -287,6 +432,7 @@ static void ati_remote2_complete_mouse(struct urb *urb)
switch (urb->status) {
case 0:
+ usb_mark_last_busy(ar2->udev);
ati_remote2_input_mouse(ar2);
break;
case -ENOENT:
@@ -294,17 +440,18 @@ static void ati_remote2_complete_mouse(struct urb *urb)
case -ECONNRESET:
case -ESHUTDOWN:
dev_dbg(&ar2->intf[0]->dev,
- "%s(): urb status = %d\n", __FUNCTION__, urb->status);
+ "%s(): urb status = %d\n", __func__, urb->status);
return;
default:
+ usb_mark_last_busy(ar2->udev);
dev_err(&ar2->intf[0]->dev,
- "%s(): urb status = %d\n", __FUNCTION__, urb->status);
+ "%s(): urb status = %d\n", __func__, urb->status);
}
r = usb_submit_urb(urb, GFP_ATOMIC);
if (r)
dev_err(&ar2->intf[0]->dev,
- "%s(): usb_submit_urb() = %d\n", __FUNCTION__, r);
+ "%s(): usb_submit_urb() = %d\n", __func__, r);
}
static void ati_remote2_complete_key(struct urb *urb)
@@ -314,6 +461,7 @@ static void ati_remote2_complete_key(struct urb *urb)
switch (urb->status) {
case 0:
+ usb_mark_last_busy(ar2->udev);
ati_remote2_input_key(ar2);
break;
case -ENOENT:
@@ -321,23 +469,111 @@ static void ati_remote2_complete_key(struct urb *urb)
case -ECONNRESET:
case -ESHUTDOWN:
dev_dbg(&ar2->intf[1]->dev,
- "%s(): urb status = %d\n", __FUNCTION__, urb->status);
+ "%s(): urb status = %d\n", __func__, urb->status);
return;
default:
+ usb_mark_last_busy(ar2->udev);
dev_err(&ar2->intf[1]->dev,
- "%s(): urb status = %d\n", __FUNCTION__, urb->status);
+ "%s(): urb status = %d\n", __func__, urb->status);
}
r = usb_submit_urb(urb, GFP_ATOMIC);
if (r)
dev_err(&ar2->intf[1]->dev,
- "%s(): usb_submit_urb() = %d\n", __FUNCTION__, r);
+ "%s(): usb_submit_urb() = %d\n", __func__, r);
+}
+
+static int ati_remote2_getkeycode(struct input_dev *idev,
+ struct input_keymap_entry *ke)
+{
+ struct ati_remote2 *ar2 = input_get_drvdata(idev);
+ unsigned int mode;
+ int offset;
+ unsigned int index;
+ unsigned int scancode;
+
+ if (ke->flags & INPUT_KEYMAP_BY_INDEX) {
+ index = ke->index;
+ if (index >= ATI_REMOTE2_MODES *
+ ARRAY_SIZE(ati_remote2_key_table))
+ return -EINVAL;
+
+ mode = ke->index / ARRAY_SIZE(ati_remote2_key_table);
+ offset = ke->index % ARRAY_SIZE(ati_remote2_key_table);
+ scancode = (mode << 8) + ati_remote2_key_table[offset].hw_code;
+ } else {
+ if (input_scancode_to_scalar(ke, &scancode))
+ return -EINVAL;
+
+ mode = scancode >> 8;
+ if (mode > ATI_REMOTE2_PC)
+ return -EINVAL;
+
+ offset = ati_remote2_lookup(scancode & 0xff);
+ if (offset < 0)
+ return -EINVAL;
+
+ index = mode * ARRAY_SIZE(ati_remote2_key_table) + offset;
+ }
+
+ ke->keycode = ar2->keycode[mode][offset];
+ ke->len = sizeof(scancode);
+ memcpy(&ke->scancode, &scancode, sizeof(scancode));
+ ke->index = index;
+
+ return 0;
+}
+
+static int ati_remote2_setkeycode(struct input_dev *idev,
+ const struct input_keymap_entry *ke,
+ unsigned int *old_keycode)
+{
+ struct ati_remote2 *ar2 = input_get_drvdata(idev);
+ unsigned int mode;
+ int offset;
+ unsigned int index;
+ unsigned int scancode;
+
+ if (ke->flags & INPUT_KEYMAP_BY_INDEX) {
+ if (ke->index >= ATI_REMOTE2_MODES *
+ ARRAY_SIZE(ati_remote2_key_table))
+ return -EINVAL;
+
+ mode = ke->index / ARRAY_SIZE(ati_remote2_key_table);
+ offset = ke->index % ARRAY_SIZE(ati_remote2_key_table);
+ } else {
+ if (input_scancode_to_scalar(ke, &scancode))
+ return -EINVAL;
+
+ mode = scancode >> 8;
+ if (mode > ATI_REMOTE2_PC)
+ return -EINVAL;
+
+ offset = ati_remote2_lookup(scancode & 0xff);
+ if (offset < 0)
+ return -EINVAL;
+ }
+
+ *old_keycode = ar2->keycode[mode][offset];
+ ar2->keycode[mode][offset] = ke->keycode;
+ __set_bit(ke->keycode, idev->keybit);
+
+ for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) {
+ for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) {
+ if (ar2->keycode[mode][index] == *old_keycode)
+ return 0;
+ }
+ }
+
+ __clear_bit(*old_keycode, idev->keybit);
+
+ return 0;
}
static int ati_remote2_input_init(struct ati_remote2 *ar2)
{
struct input_dev *idev;
- int i, retval;
+ int index, mode, retval;
idev = input_allocate_device();
if (!idev)
@@ -350,8 +586,26 @@ static int ati_remote2_input_init(struct ati_remote2 *ar2)
idev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
BIT_MASK(BTN_RIGHT);
idev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
- for (i = 0; ati_remote2_key_table[i].key_code != KEY_RESERVED; i++)
- set_bit(ati_remote2_key_table[i].key_code, idev->keybit);
+
+ for (mode = 0; mode < ATI_REMOTE2_MODES; mode++) {
+ for (index = 0; index < ARRAY_SIZE(ati_remote2_key_table); index++) {
+ ar2->keycode[mode][index] = ati_remote2_key_table[index].keycode;
+ __set_bit(ar2->keycode[mode][index], idev->keybit);
+ }
+ }
+
+ /* AUX1-AUX4 and PC generate the same scancode. */
+ index = ati_remote2_lookup(0x3f);
+ ar2->keycode[ATI_REMOTE2_AUX1][index] = KEY_PROG1;
+ ar2->keycode[ATI_REMOTE2_AUX2][index] = KEY_PROG2;
+ ar2->keycode[ATI_REMOTE2_AUX3][index] = KEY_PROG3;
+ ar2->keycode[ATI_REMOTE2_AUX4][index] = KEY_PROG4;
+ ar2->keycode[ATI_REMOTE2_PC][index] = KEY_PC;
+ __set_bit(KEY_PROG1, idev->keybit);
+ __set_bit(KEY_PROG2, idev->keybit);
+ __set_bit(KEY_PROG3, idev->keybit);
+ __set_bit(KEY_PROG4, idev->keybit);
+ __set_bit(KEY_PC, idev->keybit);
idev->rep[REP_DELAY] = 250;
idev->rep[REP_PERIOD] = 33;
@@ -359,6 +613,9 @@ static int ati_remote2_input_init(struct ati_remote2 *ar2)
idev->open = ati_remote2_open;
idev->close = ati_remote2_close;
+ idev->getkeycode = ati_remote2_getkeycode;
+ idev->setkeycode = ati_remote2_setkeycode;
+
idev->name = ar2->name;
idev->phys = ar2->phys;
@@ -378,7 +635,7 @@ static int ati_remote2_urb_init(struct ati_remote2 *ar2)
int i, pipe, maxp;
for (i = 0; i < 2; i++) {
- ar2->buf[i] = usb_buffer_alloc(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]);
+ ar2->buf[i] = usb_alloc_coherent(udev, 4, GFP_KERNEL, &ar2->buf_dma[i]);
if (!ar2->buf[i])
return -ENOMEM;
@@ -406,11 +663,11 @@ static void ati_remote2_urb_cleanup(struct ati_remote2 *ar2)
for (i = 0; i < 2; i++) {
usb_free_urb(ar2->urb[i]);
- usb_buffer_free(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]);
+ usb_free_coherent(ar2->udev, 4, ar2->buf[i], ar2->buf_dma[i]);
}
}
-static int ati_remote2_setup(struct ati_remote2 *ar2)
+static int ati_remote2_setup(struct ati_remote2 *ar2, unsigned int ch_mask)
{
int r, i, channel;
@@ -425,8 +682,8 @@ static int ati_remote2_setup(struct ati_remote2 *ar2)
channel = 0;
for (i = 0; i < 16; i++) {
- if ((1 << i) & channel_mask) {
- if (!(~(1 << i) & 0xFFFF & channel_mask))
+ if ((1 << i) & ch_mask) {
+ if (!(~(1 << i) & ch_mask))
channel = i + 1;
break;
}
@@ -438,13 +695,112 @@ static int ati_remote2_setup(struct ati_remote2 *ar2)
channel, 0x0, NULL, 0, USB_CTRL_SET_TIMEOUT);
if (r) {
dev_err(&ar2->udev->dev, "%s - failed to set channel due to error: %d\n",
- __FUNCTION__, r);
+ __func__, r);
return r;
}
return 0;
}
+static ssize_t ati_remote2_show_channel_mask(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct usb_device *udev = to_usb_device(dev);
+ struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
+ struct ati_remote2 *ar2 = usb_get_intfdata(intf);
+
+ return sprintf(buf, "0x%04x\n", ar2->channel_mask);
+}
+
+static ssize_t ati_remote2_store_channel_mask(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct usb_device *udev = to_usb_device(dev);
+ struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
+ struct ati_remote2 *ar2 = usb_get_intfdata(intf);
+ unsigned int mask;
+ int r;
+
+ r = kstrtouint(buf, 0, &mask);
+ if (r)
+ return r;
+
+ if (mask & ~ATI_REMOTE2_MAX_CHANNEL_MASK)
+ return -EINVAL;
+
+ r = usb_autopm_get_interface(ar2->intf[0]);
+ if (r) {
+ dev_err(&ar2->intf[0]->dev,
+ "%s(): usb_autopm_get_interface() = %d\n", __func__, r);
+ return r;
+ }
+
+ mutex_lock(&ati_remote2_mutex);
+
+ if (mask != ar2->channel_mask) {
+ r = ati_remote2_setup(ar2, mask);
+ if (!r)
+ ar2->channel_mask = mask;
+ }
+
+ mutex_unlock(&ati_remote2_mutex);
+
+ usb_autopm_put_interface(ar2->intf[0]);
+
+ return r ? r : count;
+}
+
+static ssize_t ati_remote2_show_mode_mask(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct usb_device *udev = to_usb_device(dev);
+ struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
+ struct ati_remote2 *ar2 = usb_get_intfdata(intf);
+
+ return sprintf(buf, "0x%02x\n", ar2->mode_mask);
+}
+
+static ssize_t ati_remote2_store_mode_mask(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct usb_device *udev = to_usb_device(dev);
+ struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
+ struct ati_remote2 *ar2 = usb_get_intfdata(intf);
+ unsigned int mask;
+ int err;
+
+ err = kstrtouint(buf, 0, &mask);
+ if (err)
+ return err;
+
+ if (mask & ~ATI_REMOTE2_MAX_MODE_MASK)
+ return -EINVAL;
+
+ ar2->mode_mask = mask;
+
+ return count;
+}
+
+static DEVICE_ATTR(channel_mask, 0644, ati_remote2_show_channel_mask,
+ ati_remote2_store_channel_mask);
+
+static DEVICE_ATTR(mode_mask, 0644, ati_remote2_show_mode_mask,
+ ati_remote2_store_mode_mask);
+
+static struct attribute *ati_remote2_attrs[] = {
+ &dev_attr_channel_mask.attr,
+ &dev_attr_mode_mask.attr,
+ NULL,
+};
+
+static struct attribute_group ati_remote2_attr_group = {
+ .attrs = ati_remote2_attrs,
+};
+
static int ati_remote2_probe(struct usb_interface *interface, const struct usb_device_id *id)
{
struct usb_device *udev = interface_to_usbdev(interface);
@@ -475,7 +831,10 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d
if (r)
goto fail2;
- r = ati_remote2_setup(ar2);
+ ar2->channel_mask = channel_mask;
+ ar2->mode_mask = mode_mask;
+
+ r = ati_remote2_setup(ar2, ar2->channel_mask);
if (r)
goto fail2;
@@ -484,17 +843,24 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d
strlcat(ar2->name, "ATI Remote Wonder II", sizeof(ar2->name));
- r = ati_remote2_input_init(ar2);
+ r = sysfs_create_group(&udev->dev.kobj, &ati_remote2_attr_group);
if (r)
goto fail2;
+ r = ati_remote2_input_init(ar2);
+ if (r)
+ goto fail3;
+
usb_set_intfdata(interface, ar2);
+ interface->needs_remote_wakeup = 1;
+
return 0;
+ fail3:
+ sysfs_remove_group(&udev->dev.kobj, &ati_remote2_attr_group);
fail2:
ati_remote2_urb_cleanup(ar2);
-
usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]);
fail1:
kfree(ar2);
@@ -515,6 +881,8 @@ static void ati_remote2_disconnect(struct usb_interface *interface)
input_unregister_device(ar2->idev);
+ sysfs_remove_group(&ar2->udev->dev.kobj, &ati_remote2_attr_group);
+
ati_remote2_urb_cleanup(ar2);
usb_driver_release_interface(&ati_remote2_driver, ar2->intf[1]);
@@ -522,23 +890,127 @@ static void ati_remote2_disconnect(struct usb_interface *interface)
kfree(ar2);
}
-static int __init ati_remote2_init(void)
+static int ati_remote2_suspend(struct usb_interface *interface,
+ pm_message_t message)
{
- int r;
+ struct ati_remote2 *ar2;
+ struct usb_host_interface *alt = interface->cur_altsetting;
+
+ if (alt->desc.bInterfaceNumber)
+ return 0;
+
+ ar2 = usb_get_intfdata(interface);
+
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ mutex_lock(&ati_remote2_mutex);
+
+ if (ar2->flags & ATI_REMOTE2_OPENED)
+ ati_remote2_kill_urbs(ar2);
+
+ ar2->flags |= ATI_REMOTE2_SUSPENDED;
+
+ mutex_unlock(&ati_remote2_mutex);
+
+ return 0;
+}
+
+static int ati_remote2_resume(struct usb_interface *interface)
+{
+ struct ati_remote2 *ar2;
+ struct usb_host_interface *alt = interface->cur_altsetting;
+ int r = 0;
+
+ if (alt->desc.bInterfaceNumber)
+ return 0;
+
+ ar2 = usb_get_intfdata(interface);
+
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ mutex_lock(&ati_remote2_mutex);
+
+ if (ar2->flags & ATI_REMOTE2_OPENED)
+ r = ati_remote2_submit_urbs(ar2);
+
+ if (!r)
+ ar2->flags &= ~ATI_REMOTE2_SUSPENDED;
+
+ mutex_unlock(&ati_remote2_mutex);
- r = usb_register(&ati_remote2_driver);
+ return r;
+}
+
+static int ati_remote2_reset_resume(struct usb_interface *interface)
+{
+ struct ati_remote2 *ar2;
+ struct usb_host_interface *alt = interface->cur_altsetting;
+ int r = 0;
+
+ if (alt->desc.bInterfaceNumber)
+ return 0;
+
+ ar2 = usb_get_intfdata(interface);
+
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ mutex_lock(&ati_remote2_mutex);
+
+ r = ati_remote2_setup(ar2, ar2->channel_mask);
if (r)
- printk(KERN_ERR "ati_remote2: usb_register() = %d\n", r);
- else
- printk(KERN_INFO "ati_remote2: " DRIVER_DESC " " DRIVER_VERSION "\n");
+ goto out;
+
+ if (ar2->flags & ATI_REMOTE2_OPENED)
+ r = ati_remote2_submit_urbs(ar2);
+
+ if (!r)
+ ar2->flags &= ~ATI_REMOTE2_SUSPENDED;
+
+ out:
+ mutex_unlock(&ati_remote2_mutex);
return r;
}
-static void __exit ati_remote2_exit(void)
+static int ati_remote2_pre_reset(struct usb_interface *interface)
{
- usb_deregister(&ati_remote2_driver);
+ struct ati_remote2 *ar2;
+ struct usb_host_interface *alt = interface->cur_altsetting;
+
+ if (alt->desc.bInterfaceNumber)
+ return 0;
+
+ ar2 = usb_get_intfdata(interface);
+
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ mutex_lock(&ati_remote2_mutex);
+
+ if (ar2->flags == ATI_REMOTE2_OPENED)
+ ati_remote2_kill_urbs(ar2);
+
+ return 0;
+}
+
+static int ati_remote2_post_reset(struct usb_interface *interface)
+{
+ struct ati_remote2 *ar2;
+ struct usb_host_interface *alt = interface->cur_altsetting;
+ int r = 0;
+
+ if (alt->desc.bInterfaceNumber)
+ return 0;
+
+ ar2 = usb_get_intfdata(interface);
+
+ dev_dbg(&ar2->intf[0]->dev, "%s()\n", __func__);
+
+ if (ar2->flags == ATI_REMOTE2_OPENED)
+ r = ati_remote2_submit_urbs(ar2);
+
+ mutex_unlock(&ati_remote2_mutex);
+
+ return r;
}
-module_init(ati_remote2_init);
-module_exit(ati_remote2_exit);
+module_usb_driver(ati_remote2_driver);