diff options
Diffstat (limited to 'drivers/usb/misc')
-rw-r--r-- | drivers/usb/misc/Kconfig | 39 | ||||
-rw-r--r-- | drivers/usb/misc/Makefile | 4 | ||||
-rw-r--r-- | drivers/usb/misc/ftdi-elan.c | 6 | ||||
-rw-r--r-- | drivers/usb/misc/phidget.c | 43 | ||||
-rw-r--r-- | drivers/usb/misc/phidget.h | 12 | ||||
-rw-r--r-- | drivers/usb/misc/phidgetkit.c | 740 | ||||
-rw-r--r-- | drivers/usb/misc/phidgetmotorcontrol.c | 465 | ||||
-rw-r--r-- | drivers/usb/misc/phidgetservo.c | 375 |
8 files changed, 3 insertions, 1681 deletions
diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig index e463db5d8188..a68d91a11bee 100644 --- a/drivers/usb/misc/Kconfig +++ b/drivers/usb/misc/Kconfig | |||
@@ -135,45 +135,6 @@ config USB_CYTHERM | |||
135 | To compile this driver as a module, choose M here: the | 135 | To compile this driver as a module, choose M here: the |
136 | module will be called cytherm. | 136 | module will be called cytherm. |
137 | 137 | ||
138 | config USB_PHIDGET | ||
139 | tristate "USB Phidgets drivers" | ||
140 | depends on USB | ||
141 | help | ||
142 | Say Y here to enable the various drivers for devices from | ||
143 | Phidgets inc. | ||
144 | |||
145 | config USB_PHIDGETKIT | ||
146 | tristate "USB PhidgetInterfaceKit support" | ||
147 | depends on USB_PHIDGET | ||
148 | help | ||
149 | Say Y here if you want to connect a PhidgetInterfaceKit USB device | ||
150 | from Phidgets Inc. | ||
151 | |||
152 | To compile this driver as a module, choose M here: the | ||
153 | module will be called phidgetkit. | ||
154 | |||
155 | config USB_PHIDGETMOTORCONTROL | ||
156 | tristate "USB PhidgetMotorControl support" | ||
157 | depends on USB_PHIDGET | ||
158 | help | ||
159 | Say Y here if you want to connect a PhidgetMotorControl USB device | ||
160 | from Phidgets Inc. | ||
161 | |||
162 | To compile this driver as a module, choose M here: the | ||
163 | module will be called phidgetmotorcontrol. | ||
164 | |||
165 | config USB_PHIDGETSERVO | ||
166 | tristate "USB PhidgetServo support" | ||
167 | depends on USB_PHIDGET | ||
168 | help | ||
169 | Say Y here if you want to connect an 1 or 4 Motor PhidgetServo | ||
170 | servo controller version 2.0 or 3.0. | ||
171 | |||
172 | Phidgets Inc. has a web page at <http://www.phidgets.com/>. | ||
173 | |||
174 | To compile this driver as a module, choose M here: the | ||
175 | module will be called phidgetservo. | ||
176 | |||
177 | config USB_IDMOUSE | 138 | config USB_IDMOUSE |
178 | tristate "Siemens ID USB Mouse Fingerprint sensor support" | 139 | tristate "Siemens ID USB Mouse Fingerprint sensor support" |
179 | depends on USB | 140 | depends on USB |
diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile index 1334f7bdd7be..0826aab8303f 100644 --- a/drivers/usb/misc/Makefile +++ b/drivers/usb/misc/Makefile | |||
@@ -18,10 +18,6 @@ obj-$(CONFIG_USB_LCD) += usblcd.o | |||
18 | obj-$(CONFIG_USB_LD) += ldusb.o | 18 | obj-$(CONFIG_USB_LD) += ldusb.o |
19 | obj-$(CONFIG_USB_LED) += usbled.o | 19 | obj-$(CONFIG_USB_LED) += usbled.o |
20 | obj-$(CONFIG_USB_LEGOTOWER) += legousbtower.o | 20 | obj-$(CONFIG_USB_LEGOTOWER) += legousbtower.o |
21 | obj-$(CONFIG_USB_PHIDGET) += phidget.o | ||
22 | obj-$(CONFIG_USB_PHIDGETKIT) += phidgetkit.o | ||
23 | obj-$(CONFIG_USB_PHIDGETMOTORCONTROL) += phidgetmotorcontrol.o | ||
24 | obj-$(CONFIG_USB_PHIDGETSERVO) += phidgetservo.o | ||
25 | obj-$(CONFIG_USB_RIO500) += rio500.o | 21 | obj-$(CONFIG_USB_RIO500) += rio500.o |
26 | obj-$(CONFIG_USB_TEST) += usbtest.o | 22 | obj-$(CONFIG_USB_TEST) += usbtest.o |
27 | obj-$(CONFIG_USB_TRANCEVIBRATOR) += trancevibrator.o | 23 | obj-$(CONFIG_USB_TRANCEVIBRATOR) += trancevibrator.o |
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index 79a7668ef264..9d0675ed0d4c 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c | |||
@@ -1568,7 +1568,7 @@ static int ftdi_elan_edset_input(struct usb_ftdi *ftdi, u8 ed_number, | |||
1568 | struct u132_target *target = &ftdi->target[ed]; | 1568 | struct u132_target *target = &ftdi->target[ed]; |
1569 | struct u132_command *command = &ftdi->command[ | 1569 | struct u132_command *command = &ftdi->command[ |
1570 | COMMAND_MASK & ftdi->command_next]; | 1570 | COMMAND_MASK & ftdi->command_next]; |
1571 | int remaining_length = urb->transfer_buffer_length - | 1571 | u32 remaining_length = urb->transfer_buffer_length - |
1572 | urb->actual_length; | 1572 | urb->actual_length; |
1573 | command->header = 0x82 | (ed << 5); | 1573 | command->header = 0x82 | (ed << 5); |
1574 | if (remaining_length == 0) { | 1574 | if (remaining_length == 0) { |
@@ -1702,7 +1702,7 @@ static int ftdi_elan_edset_output(struct usb_ftdi *ftdi, u8 ed_number, | |||
1702 | | (address << 0); | 1702 | | (address << 0); |
1703 | command->width = usb_maxpacket(urb->dev, urb->pipe, | 1703 | command->width = usb_maxpacket(urb->dev, urb->pipe, |
1704 | usb_pipeout(urb->pipe)); | 1704 | usb_pipeout(urb->pipe)); |
1705 | command->follows = min(1024, | 1705 | command->follows = min_t(u32, 1024, |
1706 | urb->transfer_buffer_length - | 1706 | urb->transfer_buffer_length - |
1707 | urb->actual_length); | 1707 | urb->actual_length); |
1708 | command->value = 0; | 1708 | command->value = 0; |
@@ -1766,7 +1766,7 @@ static int ftdi_elan_edset_single(struct usb_ftdi *ftdi, u8 ed_number, | |||
1766 | mutex_lock(&ftdi->u132_lock); | 1766 | mutex_lock(&ftdi->u132_lock); |
1767 | command_size = ftdi->command_next - ftdi->command_head; | 1767 | command_size = ftdi->command_next - ftdi->command_head; |
1768 | if (command_size < COMMAND_SIZE) { | 1768 | if (command_size < COMMAND_SIZE) { |
1769 | int remaining_length = urb->transfer_buffer_length - | 1769 | u32 remaining_length = urb->transfer_buffer_length - |
1770 | urb->actual_length; | 1770 | urb->actual_length; |
1771 | struct u132_target *target = &ftdi->target[ed]; | 1771 | struct u132_target *target = &ftdi->target[ed]; |
1772 | struct u132_command *command = &ftdi->command[ | 1772 | struct u132_command *command = &ftdi->command[ |
diff --git a/drivers/usb/misc/phidget.c b/drivers/usb/misc/phidget.c deleted file mode 100644 index 735ed33f4f7f..000000000000 --- a/drivers/usb/misc/phidget.c +++ /dev/null | |||
@@ -1,43 +0,0 @@ | |||
1 | /* | ||
2 | * USB Phidgets class | ||
3 | * | ||
4 | * Copyright (C) 2006 Sean Young <sean@mess.org> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | */ | ||
11 | |||
12 | #include <linux/kernel.h> | ||
13 | #include <linux/module.h> | ||
14 | #include <linux/init.h> | ||
15 | #include <linux/err.h> | ||
16 | #include <linux/device.h> | ||
17 | |||
18 | struct class *phidget_class; | ||
19 | |||
20 | static int __init init_phidget(void) | ||
21 | { | ||
22 | phidget_class = class_create(THIS_MODULE, "phidget"); | ||
23 | |||
24 | if (IS_ERR(phidget_class)) | ||
25 | return PTR_ERR(phidget_class); | ||
26 | |||
27 | return 0; | ||
28 | } | ||
29 | |||
30 | static void __exit cleanup_phidget(void) | ||
31 | { | ||
32 | class_destroy(phidget_class); | ||
33 | } | ||
34 | |||
35 | EXPORT_SYMBOL_GPL(phidget_class); | ||
36 | |||
37 | module_init(init_phidget); | ||
38 | module_exit(cleanup_phidget); | ||
39 | |||
40 | MODULE_LICENSE("GPL"); | ||
41 | MODULE_AUTHOR("Sean Young <sean@mess.org>"); | ||
42 | MODULE_DESCRIPTION("Container module for phidget class"); | ||
43 | |||
diff --git a/drivers/usb/misc/phidget.h b/drivers/usb/misc/phidget.h deleted file mode 100644 index c4011907d431..000000000000 --- a/drivers/usb/misc/phidget.h +++ /dev/null | |||
@@ -1,12 +0,0 @@ | |||
1 | /* | ||
2 | * USB Phidgets class | ||
3 | * | ||
4 | * Copyright (C) 2006 Sean Young <sean@mess.org> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | */ | ||
11 | |||
12 | extern struct class *phidget_class; | ||
diff --git a/drivers/usb/misc/phidgetkit.c b/drivers/usb/misc/phidgetkit.c deleted file mode 100644 index cc8e0a926f99..000000000000 --- a/drivers/usb/misc/phidgetkit.c +++ /dev/null | |||
@@ -1,740 +0,0 @@ | |||
1 | /* | ||
2 | * USB PhidgetInterfaceKit driver 1.0 | ||
3 | * | ||
4 | * Copyright (C) 2004, 2006 Sean Young <sean@mess.org> | ||
5 | * Copyright (C) 2005 Daniel Saakes <daniel@saakes.net> | ||
6 | * Copyright (C) 2004 Greg Kroah-Hartman <greg@kroah.com> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License as published by | ||
10 | * the Free Software Foundation; either version 2 of the License, or | ||
11 | * (at your option) any later version. | ||
12 | * | ||
13 | * This is a driver for the USB PhidgetInterfaceKit. | ||
14 | */ | ||
15 | |||
16 | #include <linux/kernel.h> | ||
17 | #include <linux/errno.h> | ||
18 | #include <linux/init.h> | ||
19 | #include <linux/slab.h> | ||
20 | #include <linux/module.h> | ||
21 | #include <linux/usb.h> | ||
22 | |||
23 | #include "phidget.h" | ||
24 | |||
25 | #define DRIVER_AUTHOR "Sean Young <sean@mess.org>" | ||
26 | #define DRIVER_DESC "USB PhidgetInterfaceKit Driver" | ||
27 | |||
28 | #define USB_VENDOR_ID_GLAB 0x06c2 | ||
29 | #define USB_DEVICE_ID_INTERFACEKIT004 0x0040 | ||
30 | #define USB_DEVICE_ID_INTERFACEKIT01616 0x0044 | ||
31 | #define USB_DEVICE_ID_INTERFACEKIT888 0x0045 | ||
32 | #define USB_DEVICE_ID_INTERFACEKIT047 0x0051 | ||
33 | #define USB_DEVICE_ID_INTERFACEKIT088 0x0053 | ||
34 | |||
35 | #define USB_VENDOR_ID_WISEGROUP 0x0925 | ||
36 | #define USB_DEVICE_ID_INTERFACEKIT884 0x8201 | ||
37 | |||
38 | #define MAX_INTERFACES 16 | ||
39 | |||
40 | #define URB_INT_SIZE 8 | ||
41 | |||
42 | struct driver_interfacekit { | ||
43 | int sensors; | ||
44 | int inputs; | ||
45 | int outputs; | ||
46 | int has_lcd; | ||
47 | int amnesiac; | ||
48 | }; | ||
49 | |||
50 | #define ifkit(_sensors, _inputs, _outputs, _lcd, _amnesiac) \ | ||
51 | { \ | ||
52 | .sensors = _sensors, \ | ||
53 | .inputs = _inputs, \ | ||
54 | .outputs = _outputs, \ | ||
55 | .has_lcd = _lcd, \ | ||
56 | .amnesiac = _amnesiac \ | ||
57 | }; | ||
58 | |||
59 | static const struct driver_interfacekit ph_004 = ifkit(0, 0, 4, 0, 0); | ||
60 | static const struct driver_interfacekit ph_888n = ifkit(8, 8, 8, 0, 1); | ||
61 | static const struct driver_interfacekit ph_888o = ifkit(8, 8, 8, 0, 0); | ||
62 | static const struct driver_interfacekit ph_047 = ifkit(0, 4, 7, 1, 0); | ||
63 | static const struct driver_interfacekit ph_884 = ifkit(8, 8, 4, 0, 0); | ||
64 | static const struct driver_interfacekit ph_088 = ifkit(0, 8, 8, 1, 0); | ||
65 | static const struct driver_interfacekit ph_01616 = ifkit(0, 16, 16, 0, 0); | ||
66 | |||
67 | static unsigned long device_no; | ||
68 | |||
69 | struct interfacekit { | ||
70 | struct usb_device *udev; | ||
71 | struct usb_interface *intf; | ||
72 | struct driver_interfacekit *ifkit; | ||
73 | struct device *dev; | ||
74 | unsigned long outputs; | ||
75 | int dev_no; | ||
76 | u8 inputs[MAX_INTERFACES]; | ||
77 | u16 sensors[MAX_INTERFACES]; | ||
78 | u8 lcd_files_on; | ||
79 | |||
80 | struct urb *irq; | ||
81 | unsigned char *data; | ||
82 | dma_addr_t data_dma; | ||
83 | |||
84 | struct delayed_work do_notify; | ||
85 | struct delayed_work do_resubmit; | ||
86 | unsigned long input_events; | ||
87 | unsigned long sensor_events; | ||
88 | }; | ||
89 | |||
90 | static struct usb_device_id id_table[] = { | ||
91 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT004), | ||
92 | .driver_info = (kernel_ulong_t)&ph_004}, | ||
93 | {USB_DEVICE_VER(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888, 0, 0x814), | ||
94 | .driver_info = (kernel_ulong_t)&ph_888o}, | ||
95 | {USB_DEVICE_VER(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888, 0x0815, 0xffff), | ||
96 | .driver_info = (kernel_ulong_t)&ph_888n}, | ||
97 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT047), | ||
98 | .driver_info = (kernel_ulong_t)&ph_047}, | ||
99 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT088), | ||
100 | .driver_info = (kernel_ulong_t)&ph_088}, | ||
101 | {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT01616), | ||
102 | .driver_info = (kernel_ulong_t)&ph_01616}, | ||
103 | {USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_INTERFACEKIT884), | ||
104 | .driver_info = (kernel_ulong_t)&ph_884}, | ||
105 | {} | ||
106 | }; | ||
107 | MODULE_DEVICE_TABLE(usb, id_table); | ||
108 | |||
109 | static int set_outputs(struct interfacekit *kit) | ||
110 | { | ||
111 | u8 *buffer; | ||
112 | int retval; | ||
113 | |||
114 | buffer = kzalloc(4, GFP_KERNEL); | ||
115 | if (!buffer) { | ||
116 | dev_err(&kit->udev->dev, "%s - out of memory\n", __func__); | ||
117 | return -ENOMEM; | ||
118 | } | ||
119 | buffer[0] = (u8)kit->outputs; | ||
120 | buffer[1] = (u8)(kit->outputs >> 8); | ||
121 | |||
122 | dev_dbg(&kit->udev->dev, "sending data: 0x%04x\n", (u16)kit->outputs); | ||
123 | |||
124 | retval = usb_control_msg(kit->udev, | ||
125 | usb_sndctrlpipe(kit->udev, 0), | ||
126 | 0x09, 0x21, 0x0200, 0x0000, buffer, 4, 2000); | ||
127 | |||
128 | if (retval != 4) | ||
129 | dev_err(&kit->udev->dev, "usb_control_msg returned %d\n", | ||
130 | retval); | ||
131 | kfree(buffer); | ||
132 | |||
133 | if (kit->ifkit->amnesiac) | ||
134 | schedule_delayed_work(&kit->do_resubmit, HZ / 2); | ||
135 | |||
136 | return retval < 0 ? retval : 0; | ||
137 | } | ||
138 | |||
139 | static int change_string(struct interfacekit *kit, const char *display, unsigned char row) | ||
140 | { | ||
141 | unsigned char *buffer; | ||
142 | unsigned char *form_buffer; | ||
143 | int retval = -ENOMEM; | ||
144 | int i,j, len, buf_ptr; | ||
145 | |||
146 | buffer = kmalloc(8, GFP_KERNEL); | ||
147 | form_buffer = kmalloc(30, GFP_KERNEL); | ||
148 | if ((!buffer) || (!form_buffer)) { | ||
149 | dev_err(&kit->udev->dev, "%s - out of memory\n", __func__); | ||
150 | goto exit; | ||
151 | } | ||
152 | |||
153 | len = strlen(display); | ||
154 | if (len > 20) | ||
155 | len = 20; | ||
156 | |||
157 | dev_dbg(&kit->udev->dev, "Setting LCD line %d to %s\n", row, display); | ||
158 | |||
159 | form_buffer[0] = row * 0x40 + 0x80; | ||
160 | form_buffer[1] = 0x02; | ||
161 | buf_ptr = 2; | ||
162 | for (i = 0; i<len; i++) | ||
163 | form_buffer[buf_ptr++] = display[i]; | ||
164 | |||
165 | for (i = 0; i < (20 - len); i++) | ||
166 | form_buffer[buf_ptr++] = 0x20; | ||
167 | form_buffer[buf_ptr++] = 0x01; | ||
168 | form_buffer[buf_ptr++] = row * 0x40 + 0x80 + strlen(display); | ||
169 | |||
170 | for (i = 0; i < buf_ptr; i += 7) { | ||
171 | if ((buf_ptr - i) > 7) | ||
172 | len = 7; | ||
173 | else | ||
174 | len = (buf_ptr - i); | ||
175 | for (j = 0; j < len; j++) | ||
176 | buffer[j] = form_buffer[i + j]; | ||
177 | buffer[7] = len; | ||
178 | |||
179 | retval = usb_control_msg(kit->udev, | ||
180 | usb_sndctrlpipe(kit->udev, 0), | ||
181 | 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); | ||
182 | if (retval < 0) | ||
183 | goto exit; | ||
184 | } | ||
185 | |||
186 | retval = 0; | ||
187 | exit: | ||
188 | kfree(buffer); | ||
189 | kfree(form_buffer); | ||
190 | |||
191 | return retval; | ||
192 | } | ||
193 | |||
194 | #define set_lcd_line(number) \ | ||
195 | static ssize_t lcd_line_##number(struct device *dev, \ | ||
196 | struct device_attribute *attr, \ | ||
197 | const char *buf, size_t count) \ | ||
198 | { \ | ||
199 | struct interfacekit *kit = dev_get_drvdata(dev); \ | ||
200 | change_string(kit, buf, number - 1); \ | ||
201 | return count; \ | ||
202 | } | ||
203 | |||
204 | #define lcd_line_attr(number) \ | ||
205 | __ATTR(lcd_line_##number, S_IWUGO, NULL, lcd_line_##number) | ||
206 | |||
207 | set_lcd_line(1); | ||
208 | set_lcd_line(2); | ||
209 | |||
210 | static ssize_t set_backlight(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) | ||
211 | { | ||
212 | struct interfacekit *kit = dev_get_drvdata(dev); | ||
213 | int enabled; | ||
214 | unsigned char *buffer; | ||
215 | int retval = -ENOMEM; | ||
216 | |||
217 | buffer = kzalloc(8, GFP_KERNEL); | ||
218 | if (!buffer) { | ||
219 | dev_err(&kit->udev->dev, "%s - out of memory\n", __func__); | ||
220 | goto exit; | ||
221 | } | ||
222 | |||
223 | if (sscanf(buf, "%d", &enabled) < 1) { | ||
224 | retval = -EINVAL; | ||
225 | goto exit; | ||
226 | } | ||
227 | if (enabled) | ||
228 | buffer[0] = 0x01; | ||
229 | buffer[7] = 0x11; | ||
230 | |||
231 | dev_dbg(&kit->udev->dev, "Setting backlight to %s\n", enabled ? "on" : "off"); | ||
232 | |||
233 | retval = usb_control_msg(kit->udev, | ||
234 | usb_sndctrlpipe(kit->udev, 0), | ||
235 | 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); | ||
236 | if (retval < 0) | ||
237 | goto exit; | ||
238 | |||
239 | retval = count; | ||
240 | exit: | ||
241 | kfree(buffer); | ||
242 | return retval; | ||
243 | } | ||
244 | |||
245 | static struct device_attribute dev_lcd_line_attrs[] = { | ||
246 | lcd_line_attr(1), | ||
247 | lcd_line_attr(2), | ||
248 | __ATTR(backlight, S_IWUGO, NULL, set_backlight) | ||
249 | }; | ||
250 | |||
251 | static void remove_lcd_files(struct interfacekit *kit) | ||
252 | { | ||
253 | int i; | ||
254 | |||
255 | if (kit->lcd_files_on) { | ||
256 | dev_dbg(&kit->udev->dev, "Removing lcd files\n"); | ||
257 | |||
258 | for (i=0; i<ARRAY_SIZE(dev_lcd_line_attrs); i++) | ||
259 | device_remove_file(kit->dev, &dev_lcd_line_attrs[i]); | ||
260 | } | ||
261 | } | ||
262 | |||
263 | static ssize_t enable_lcd_files(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) | ||
264 | { | ||
265 | struct interfacekit *kit = dev_get_drvdata(dev); | ||
266 | int enable; | ||
267 | int i, rc; | ||
268 | |||
269 | if (kit->ifkit->has_lcd == 0) | ||
270 | return -ENODEV; | ||
271 | |||
272 | if (sscanf(buf, "%d", &enable) < 1) | ||
273 | return -EINVAL; | ||
274 | |||
275 | if (enable) { | ||
276 | if (!kit->lcd_files_on) { | ||
277 | dev_dbg(&kit->udev->dev, "Adding lcd files\n"); | ||
278 | for (i=0; i<ARRAY_SIZE(dev_lcd_line_attrs); i++) { | ||
279 | rc = device_create_file(kit->dev, | ||
280 | &dev_lcd_line_attrs[i]); | ||
281 | if (rc) | ||
282 | goto out; | ||
283 | } | ||
284 | kit->lcd_files_on = 1; | ||
285 | } | ||
286 | } else { | ||
287 | if (kit->lcd_files_on) { | ||
288 | remove_lcd_files(kit); | ||
289 | kit->lcd_files_on = 0; | ||
290 | } | ||
291 | } | ||
292 | |||
293 | return count; | ||
294 | out: | ||
295 | while (i-- > 0) | ||
296 | device_remove_file(kit->dev, &dev_lcd_line_attrs[i]); | ||
297 | |||
298 | return rc; | ||
299 | } | ||
300 | |||
301 | static DEVICE_ATTR(lcd, S_IWUGO, NULL, enable_lcd_files); | ||
302 | |||
303 | static void interfacekit_irq(struct urb *urb) | ||
304 | { | ||
305 | struct interfacekit *kit = urb->context; | ||
306 | unsigned char *buffer = kit->data; | ||
307 | int i, level, sensor; | ||
308 | int retval; | ||
309 | int status = urb->status; | ||
310 | |||
311 | switch (status) { | ||
312 | case 0: /* success */ | ||
313 | break; | ||
314 | case -ECONNRESET: /* unlink */ | ||
315 | case -ENOENT: | ||
316 | case -ESHUTDOWN: | ||
317 | return; | ||
318 | /* -EPIPE: should clear the halt */ | ||
319 | default: /* error */ | ||
320 | goto resubmit; | ||
321 | } | ||
322 | |||
323 | /* digital inputs */ | ||
324 | if (kit->ifkit->inputs == 16) { | ||
325 | for (i=0; i < 8; i++) { | ||
326 | level = (buffer[0] >> i) & 1; | ||
327 | if (kit->inputs[i] != level) { | ||
328 | kit->inputs[i] = level; | ||
329 | set_bit(i, &kit->input_events); | ||
330 | } | ||
331 | level = (buffer[1] >> i) & 1; | ||
332 | if (kit->inputs[8 + i] != level) { | ||
333 | kit->inputs[8 + i] = level; | ||
334 | set_bit(8 + i, &kit->input_events); | ||
335 | } | ||
336 | } | ||
337 | } | ||
338 | else if (kit->ifkit->inputs == 8) { | ||
339 | for (i=0; i < 8; i++) { | ||
340 | level = (buffer[1] >> i) & 1; | ||
341 | if (kit->inputs[i] != level) { | ||
342 | kit->inputs[i] = level; | ||
343 | set_bit(i, &kit->input_events); | ||
344 | } | ||
345 | } | ||
346 | } | ||
347 | |||
348 | /* analog inputs */ | ||
349 | if (kit->ifkit->sensors) { | ||
350 | sensor = (buffer[0] & 1) ? 4 : 0; | ||
351 | |||
352 | level = buffer[2] + (buffer[3] & 0x0f) * 256; | ||
353 | if (level != kit->sensors[sensor]) { | ||
354 | kit->sensors[sensor] = level; | ||
355 | set_bit(sensor, &kit->sensor_events); | ||
356 | } | ||
357 | sensor++; | ||
358 | level = buffer[4] + (buffer[3] & 0xf0) * 16; | ||
359 | if (level != kit->sensors[sensor]) { | ||
360 | kit->sensors[sensor] = level; | ||
361 | set_bit(sensor, &kit->sensor_events); | ||
362 | } | ||
363 | sensor++; | ||
364 | level = buffer[5] + (buffer[6] & 0x0f) * 256; | ||
365 | if (level != kit->sensors[sensor]) { | ||
366 | kit->sensors[sensor] = level; | ||
367 | set_bit(sensor, &kit->sensor_events); | ||
368 | } | ||
369 | sensor++; | ||
370 | level = buffer[7] + (buffer[6] & 0xf0) * 16; | ||
371 | if (level != kit->sensors[sensor]) { | ||
372 | kit->sensors[sensor] = level; | ||
373 | set_bit(sensor, &kit->sensor_events); | ||
374 | } | ||
375 | } | ||
376 | |||
377 | if (kit->input_events || kit->sensor_events) | ||
378 | schedule_delayed_work(&kit->do_notify, 0); | ||
379 | |||
380 | resubmit: | ||
381 | retval = usb_submit_urb(urb, GFP_ATOMIC); | ||
382 | if (retval) | ||
383 | err("can't resubmit intr, %s-%s/interfacekit0, retval %d", | ||
384 | kit->udev->bus->bus_name, | ||
385 | kit->udev->devpath, retval); | ||
386 | } | ||
387 | |||
388 | static void do_notify(struct work_struct *work) | ||
389 | { | ||
390 | struct interfacekit *kit = | ||
391 | container_of(work, struct interfacekit, do_notify.work); | ||
392 | int i; | ||
393 | char sysfs_file[8]; | ||
394 | |||
395 | for (i=0; i<kit->ifkit->inputs; i++) { | ||
396 | if (test_and_clear_bit(i, &kit->input_events)) { | ||
397 | sprintf(sysfs_file, "input%d", i + 1); | ||
398 | sysfs_notify(&kit->dev->kobj, NULL, sysfs_file); | ||
399 | } | ||
400 | } | ||
401 | |||
402 | for (i=0; i<kit->ifkit->sensors; i++) { | ||
403 | if (test_and_clear_bit(i, &kit->sensor_events)) { | ||
404 | sprintf(sysfs_file, "sensor%d", i + 1); | ||
405 | sysfs_notify(&kit->dev->kobj, NULL, sysfs_file); | ||
406 | } | ||
407 | } | ||
408 | } | ||
409 | |||
410 | static void do_resubmit(struct work_struct *work) | ||
411 | { | ||
412 | struct interfacekit *kit = | ||
413 | container_of(work, struct interfacekit, do_resubmit.work); | ||
414 | set_outputs(kit); | ||
415 | } | ||
416 | |||
417 | #define show_set_output(value) \ | ||
418 | static ssize_t set_output##value(struct device *dev, \ | ||
419 | struct device_attribute *attr, \ | ||
420 | const char *buf, size_t count) \ | ||
421 | { \ | ||
422 | struct interfacekit *kit = dev_get_drvdata(dev); \ | ||
423 | int enable; \ | ||
424 | int retval; \ | ||
425 | \ | ||
426 | if (sscanf(buf, "%d", &enable) < 1) \ | ||
427 | return -EINVAL; \ | ||
428 | \ | ||
429 | if (enable) \ | ||
430 | set_bit(value - 1, &kit->outputs); \ | ||
431 | else \ | ||
432 | clear_bit(value - 1, &kit->outputs); \ | ||
433 | \ | ||
434 | retval = set_outputs(kit); \ | ||
435 | \ | ||
436 | return retval ? retval : count; \ | ||
437 | } \ | ||
438 | \ | ||
439 | static ssize_t show_output##value(struct device *dev, \ | ||
440 | struct device_attribute *attr, \ | ||
441 | char *buf) \ | ||
442 | { \ | ||
443 | struct interfacekit *kit = dev_get_drvdata(dev); \ | ||
444 | \ | ||
445 | return sprintf(buf, "%d\n", !!test_bit(value - 1, &kit->outputs));\ | ||
446 | } | ||
447 | |||
448 | #define output_attr(value) \ | ||
449 | __ATTR(output##value, S_IWUGO | S_IRUGO, \ | ||
450 | show_output##value, set_output##value) | ||
451 | |||
452 | show_set_output(1); | ||
453 | show_set_output(2); | ||
454 | show_set_output(3); | ||
455 | show_set_output(4); | ||
456 | show_set_output(5); | ||
457 | show_set_output(6); | ||
458 | show_set_output(7); | ||
459 | show_set_output(8); | ||
460 | show_set_output(9); | ||
461 | show_set_output(10); | ||
462 | show_set_output(11); | ||
463 | show_set_output(12); | ||
464 | show_set_output(13); | ||
465 | show_set_output(14); | ||
466 | show_set_output(15); | ||
467 | show_set_output(16); | ||
468 | |||
469 | static struct device_attribute dev_output_attrs[] = { | ||
470 | output_attr(1), output_attr(2), output_attr(3), output_attr(4), | ||
471 | output_attr(5), output_attr(6), output_attr(7), output_attr(8), | ||
472 | output_attr(9), output_attr(10), output_attr(11), output_attr(12), | ||
473 | output_attr(13), output_attr(14), output_attr(15), output_attr(16) | ||
474 | }; | ||
475 | |||
476 | #define show_input(value) \ | ||
477 | static ssize_t show_input##value(struct device *dev, \ | ||
478 | struct device_attribute *attr, char *buf) \ | ||
479 | { \ | ||
480 | struct interfacekit *kit = dev_get_drvdata(dev); \ | ||
481 | \ | ||
482 | return sprintf(buf, "%d\n", (int)kit->inputs[value - 1]); \ | ||
483 | } | ||
484 | |||
485 | #define input_attr(value) \ | ||
486 | __ATTR(input##value, S_IRUGO, show_input##value, NULL) | ||
487 | |||
488 | show_input(1); | ||
489 | show_input(2); | ||
490 | show_input(3); | ||
491 | show_input(4); | ||
492 | show_input(5); | ||
493 | show_input(6); | ||
494 | show_input(7); | ||
495 | show_input(8); | ||
496 | show_input(9); | ||
497 | show_input(10); | ||
498 | show_input(11); | ||
499 | show_input(12); | ||
500 | show_input(13); | ||
501 | show_input(14); | ||
502 | show_input(15); | ||
503 | show_input(16); | ||
504 | |||
505 | static struct device_attribute dev_input_attrs[] = { | ||
506 | input_attr(1), input_attr(2), input_attr(3), input_attr(4), | ||
507 | input_attr(5), input_attr(6), input_attr(7), input_attr(8), | ||
508 | input_attr(9), input_attr(10), input_attr(11), input_attr(12), | ||
509 | input_attr(13), input_attr(14), input_attr(15), input_attr(16) | ||
510 | }; | ||
511 | |||
512 | #define show_sensor(value) \ | ||
513 | static ssize_t show_sensor##value(struct device *dev, \ | ||
514 | struct device_attribute *attr, \ | ||
515 | char *buf) \ | ||
516 | { \ | ||
517 | struct interfacekit *kit = dev_get_drvdata(dev); \ | ||
518 | \ | ||
519 | return sprintf(buf, "%d\n", (int)kit->sensors[value - 1]); \ | ||
520 | } | ||
521 | |||
522 | #define sensor_attr(value) \ | ||
523 | __ATTR(sensor##value, S_IRUGO, show_sensor##value, NULL) | ||
524 | |||
525 | show_sensor(1); | ||
526 | show_sensor(2); | ||
527 | show_sensor(3); | ||
528 | show_sensor(4); | ||
529 | show_sensor(5); | ||
530 | show_sensor(6); | ||
531 | show_sensor(7); | ||
532 | show_sensor(8); | ||
533 | |||
534 | static struct device_attribute dev_sensor_attrs[] = { | ||
535 | sensor_attr(1), sensor_attr(2), sensor_attr(3), sensor_attr(4), | ||
536 | sensor_attr(5), sensor_attr(6), sensor_attr(7), sensor_attr(8) | ||
537 | }; | ||
538 | |||
539 | static int interfacekit_probe(struct usb_interface *intf, const struct usb_device_id *id) | ||
540 | { | ||
541 | struct usb_device *dev = interface_to_usbdev(intf); | ||
542 | struct usb_host_interface *interface; | ||
543 | struct usb_endpoint_descriptor *endpoint; | ||
544 | struct interfacekit *kit; | ||
545 | struct driver_interfacekit *ifkit; | ||
546 | int pipe, maxp, rc = -ENOMEM; | ||
547 | int bit, value, i; | ||
548 | |||
549 | ifkit = (struct driver_interfacekit *)id->driver_info; | ||
550 | if (!ifkit) | ||
551 | return -ENODEV; | ||
552 | |||
553 | interface = intf->cur_altsetting; | ||
554 | if (interface->desc.bNumEndpoints != 1) | ||
555 | return -ENODEV; | ||
556 | |||
557 | endpoint = &interface->endpoint[0].desc; | ||
558 | if (!usb_endpoint_dir_in(endpoint)) | ||
559 | return -ENODEV; | ||
560 | /* | ||
561 | * bmAttributes | ||
562 | */ | ||
563 | pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); | ||
564 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); | ||
565 | |||
566 | kit = kzalloc(sizeof(*kit), GFP_KERNEL); | ||
567 | if (!kit) | ||
568 | goto out; | ||
569 | |||
570 | kit->dev_no = -1; | ||
571 | kit->ifkit = ifkit; | ||
572 | kit->data = usb_buffer_alloc(dev, URB_INT_SIZE, GFP_ATOMIC, &kit->data_dma); | ||
573 | if (!kit->data) | ||
574 | goto out; | ||
575 | |||
576 | kit->irq = usb_alloc_urb(0, GFP_KERNEL); | ||
577 | if (!kit->irq) | ||
578 | goto out; | ||
579 | |||
580 | kit->udev = usb_get_dev(dev); | ||
581 | kit->intf = intf; | ||
582 | INIT_DELAYED_WORK(&kit->do_notify, do_notify); | ||
583 | INIT_DELAYED_WORK(&kit->do_resubmit, do_resubmit); | ||
584 | usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data, | ||
585 | maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp, | ||
586 | interfacekit_irq, kit, endpoint->bInterval); | ||
587 | kit->irq->transfer_dma = kit->data_dma; | ||
588 | kit->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | ||
589 | |||
590 | usb_set_intfdata(intf, kit); | ||
591 | |||
592 | do { | ||
593 | bit = find_first_zero_bit(&device_no, sizeof(device_no)); | ||
594 | value = test_and_set_bit(bit, &device_no); | ||
595 | } while(value); | ||
596 | kit->dev_no = bit; | ||
597 | |||
598 | kit->dev = device_create(phidget_class, &kit->udev->dev, MKDEV(0, 0), | ||
599 | kit, "interfacekit%d", kit->dev_no); | ||
600 | if (IS_ERR(kit->dev)) { | ||
601 | rc = PTR_ERR(kit->dev); | ||
602 | kit->dev = NULL; | ||
603 | goto out; | ||
604 | } | ||
605 | |||
606 | if (usb_submit_urb(kit->irq, GFP_KERNEL)) { | ||
607 | rc = -EIO; | ||
608 | goto out; | ||
609 | } | ||
610 | |||
611 | for (i=0; i<ifkit->outputs; i++ ) { | ||
612 | rc = device_create_file(kit->dev, &dev_output_attrs[i]); | ||
613 | if (rc) | ||
614 | goto out2; | ||
615 | } | ||
616 | |||
617 | for (i=0; i<ifkit->inputs; i++ ) { | ||
618 | rc = device_create_file(kit->dev, &dev_input_attrs[i]); | ||
619 | if (rc) | ||
620 | goto out3; | ||
621 | } | ||
622 | |||
623 | for (i=0; i<ifkit->sensors; i++ ) { | ||
624 | rc = device_create_file(kit->dev, &dev_sensor_attrs[i]); | ||
625 | if (rc) | ||
626 | goto out4; | ||
627 | } | ||
628 | |||
629 | if (ifkit->has_lcd) { | ||
630 | rc = device_create_file(kit->dev, &dev_attr_lcd); | ||
631 | if (rc) | ||
632 | goto out4; | ||
633 | |||
634 | } | ||
635 | |||
636 | dev_info(&intf->dev, "USB PhidgetInterfaceKit %d/%d/%d attached\n", | ||
637 | ifkit->sensors, ifkit->inputs, ifkit->outputs); | ||
638 | |||
639 | return 0; | ||
640 | |||
641 | out4: | ||
642 | while (i-- > 0) | ||
643 | device_remove_file(kit->dev, &dev_sensor_attrs[i]); | ||
644 | |||
645 | i = ifkit->inputs; | ||
646 | out3: | ||
647 | while (i-- > 0) | ||
648 | device_remove_file(kit->dev, &dev_input_attrs[i]); | ||
649 | |||
650 | i = ifkit->outputs; | ||
651 | out2: | ||
652 | while (i-- > 0) | ||
653 | device_remove_file(kit->dev, &dev_output_attrs[i]); | ||
654 | out: | ||
655 | if (kit) { | ||
656 | usb_free_urb(kit->irq); | ||
657 | if (kit->data) | ||
658 | usb_buffer_free(dev, URB_INT_SIZE, kit->data, kit->data_dma); | ||
659 | if (kit->dev) | ||
660 | device_unregister(kit->dev); | ||
661 | if (kit->dev_no >= 0) | ||
662 | clear_bit(kit->dev_no, &device_no); | ||
663 | |||
664 | kfree(kit); | ||
665 | } | ||
666 | |||
667 | return rc; | ||
668 | } | ||
669 | |||
670 | static void interfacekit_disconnect(struct usb_interface *interface) | ||
671 | { | ||
672 | struct interfacekit *kit; | ||
673 | int i; | ||
674 | |||
675 | kit = usb_get_intfdata(interface); | ||
676 | usb_set_intfdata(interface, NULL); | ||
677 | if (!kit) | ||
678 | return; | ||
679 | |||
680 | usb_kill_urb(kit->irq); | ||
681 | usb_free_urb(kit->irq); | ||
682 | usb_buffer_free(kit->udev, URB_INT_SIZE, kit->data, kit->data_dma); | ||
683 | |||
684 | cancel_delayed_work(&kit->do_notify); | ||
685 | cancel_delayed_work(&kit->do_resubmit); | ||
686 | |||
687 | for (i=0; i<kit->ifkit->outputs; i++) | ||
688 | device_remove_file(kit->dev, &dev_output_attrs[i]); | ||
689 | |||
690 | for (i=0; i<kit->ifkit->inputs; i++) | ||
691 | device_remove_file(kit->dev, &dev_input_attrs[i]); | ||
692 | |||
693 | for (i=0; i<kit->ifkit->sensors; i++) | ||
694 | device_remove_file(kit->dev, &dev_sensor_attrs[i]); | ||
695 | |||
696 | if (kit->ifkit->has_lcd) { | ||
697 | device_remove_file(kit->dev, &dev_attr_lcd); | ||
698 | remove_lcd_files(kit); | ||
699 | } | ||
700 | |||
701 | device_unregister(kit->dev); | ||
702 | |||
703 | dev_info(&interface->dev, "USB PhidgetInterfaceKit %d/%d/%d detached\n", | ||
704 | kit->ifkit->sensors, kit->ifkit->inputs, kit->ifkit->outputs); | ||
705 | |||
706 | usb_put_dev(kit->udev); | ||
707 | clear_bit(kit->dev_no, &device_no); | ||
708 | |||
709 | kfree(kit); | ||
710 | } | ||
711 | |||
712 | static struct usb_driver interfacekit_driver = { | ||
713 | .name = "phidgetkit", | ||
714 | .probe = interfacekit_probe, | ||
715 | .disconnect = interfacekit_disconnect, | ||
716 | .id_table = id_table | ||
717 | }; | ||
718 | |||
719 | static int __init interfacekit_init(void) | ||
720 | { | ||
721 | int retval = 0; | ||
722 | |||
723 | retval = usb_register(&interfacekit_driver); | ||
724 | if (retval) | ||
725 | err("usb_register failed. Error number %d", retval); | ||
726 | |||
727 | return retval; | ||
728 | } | ||
729 | |||
730 | static void __exit interfacekit_exit(void) | ||
731 | { | ||
732 | usb_deregister(&interfacekit_driver); | ||
733 | } | ||
734 | |||
735 | module_init(interfacekit_init); | ||
736 | module_exit(interfacekit_exit); | ||
737 | |||
738 | MODULE_AUTHOR(DRIVER_AUTHOR); | ||
739 | MODULE_DESCRIPTION(DRIVER_DESC); | ||
740 | MODULE_LICENSE("GPL"); | ||
diff --git a/drivers/usb/misc/phidgetmotorcontrol.c b/drivers/usb/misc/phidgetmotorcontrol.c deleted file mode 100644 index 38088b44349e..000000000000 --- a/drivers/usb/misc/phidgetmotorcontrol.c +++ /dev/null | |||
@@ -1,465 +0,0 @@ | |||
1 | /* | ||
2 | * USB Phidget MotorControl driver | ||
3 | * | ||
4 | * Copyright (C) 2006 Sean Young <sean@mess.org> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | */ | ||
11 | |||
12 | #include <linux/kernel.h> | ||
13 | #include <linux/errno.h> | ||
14 | #include <linux/init.h> | ||
15 | #include <linux/module.h> | ||
16 | #include <linux/usb.h> | ||
17 | |||
18 | #include "phidget.h" | ||
19 | |||
20 | #define DRIVER_AUTHOR "Sean Young <sean@mess.org>" | ||
21 | #define DRIVER_DESC "USB PhidgetMotorControl Driver" | ||
22 | |||
23 | #define USB_VENDOR_ID_GLAB 0x06c2 | ||
24 | #define USB_DEVICE_ID_MOTORCONTROL 0x0058 | ||
25 | |||
26 | #define URB_INT_SIZE 8 | ||
27 | |||
28 | static unsigned long device_no; | ||
29 | |||
30 | struct motorcontrol { | ||
31 | struct usb_device *udev; | ||
32 | struct usb_interface *intf; | ||
33 | struct device *dev; | ||
34 | int dev_no; | ||
35 | u8 inputs[4]; | ||
36 | s8 desired_speed[2]; | ||
37 | s8 speed[2]; | ||
38 | s16 _current[2]; | ||
39 | s8 acceleration[2]; | ||
40 | struct urb *irq; | ||
41 | unsigned char *data; | ||
42 | dma_addr_t data_dma; | ||
43 | |||
44 | struct delayed_work do_notify; | ||
45 | unsigned long input_events; | ||
46 | unsigned long speed_events; | ||
47 | unsigned long exceed_events; | ||
48 | }; | ||
49 | |||
50 | static struct usb_device_id id_table[] = { | ||
51 | { USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_MOTORCONTROL) }, | ||
52 | {} | ||
53 | }; | ||
54 | MODULE_DEVICE_TABLE(usb, id_table); | ||
55 | |||
56 | static int set_motor(struct motorcontrol *mc, int motor) | ||
57 | { | ||
58 | u8 *buffer; | ||
59 | int speed, speed2, acceleration; | ||
60 | int retval; | ||
61 | |||
62 | buffer = kzalloc(8, GFP_KERNEL); | ||
63 | if (!buffer) { | ||
64 | dev_err(&mc->intf->dev, "%s - out of memory\n", __func__); | ||
65 | return -ENOMEM; | ||
66 | } | ||
67 | |||
68 | acceleration = mc->acceleration[motor] * 10; | ||
69 | /* -127 <= speed <= 127 */ | ||
70 | speed = (mc->desired_speed[motor] * 127) / 100; | ||
71 | /* -0x7300 <= speed2 <= 0x7300 */ | ||
72 | speed2 = (mc->desired_speed[motor] * 230 * 128) / 100; | ||
73 | |||
74 | buffer[0] = motor; | ||
75 | buffer[1] = speed; | ||
76 | buffer[2] = acceleration >> 8; | ||
77 | buffer[3] = acceleration; | ||
78 | buffer[4] = speed2 >> 8; | ||
79 | buffer[5] = speed2; | ||
80 | |||
81 | retval = usb_control_msg(mc->udev, | ||
82 | usb_sndctrlpipe(mc->udev, 0), | ||
83 | 0x09, 0x21, 0x0200, 0x0000, buffer, 8, 2000); | ||
84 | |||
85 | if (retval != 8) | ||
86 | dev_err(&mc->intf->dev, "usb_control_msg returned %d\n", | ||
87 | retval); | ||
88 | kfree(buffer); | ||
89 | |||
90 | return retval < 0 ? retval : 0; | ||
91 | } | ||
92 | |||
93 | static void motorcontrol_irq(struct urb *urb) | ||
94 | { | ||
95 | struct motorcontrol *mc = urb->context; | ||
96 | unsigned char *buffer = mc->data; | ||
97 | int i, level; | ||
98 | int retval; | ||
99 | int status = urb->status;; | ||
100 | |||
101 | switch (status) { | ||
102 | case 0: /* success */ | ||
103 | break; | ||
104 | case -ECONNRESET: /* unlink */ | ||
105 | case -ENOENT: | ||
106 | case -ESHUTDOWN: | ||
107 | return; | ||
108 | /* -EPIPE: should clear the halt */ | ||
109 | default: /* error */ | ||
110 | goto resubmit; | ||
111 | } | ||
112 | |||
113 | /* digital inputs */ | ||
114 | for (i=0; i<4; i++) { | ||
115 | level = (buffer[0] >> i) & 1; | ||
116 | if (mc->inputs[i] != level) { | ||
117 | mc->inputs[i] = level; | ||
118 | set_bit(i, &mc->input_events); | ||
119 | } | ||
120 | } | ||
121 | |||
122 | /* motor speed */ | ||
123 | if (buffer[2] == 0) { | ||
124 | for (i=0; i<2; i++) { | ||
125 | level = ((s8)buffer[4+i]) * 100 / 127; | ||
126 | if (mc->speed[i] != level) { | ||
127 | mc->speed[i] = level; | ||
128 | set_bit(i, &mc->speed_events); | ||
129 | } | ||
130 | } | ||
131 | } else { | ||
132 | int index = buffer[3] & 1; | ||
133 | |||
134 | level = ((s8)buffer[4] << 8) | buffer[5]; | ||
135 | level = level * 100 / 29440; | ||
136 | if (mc->speed[index] != level) { | ||
137 | mc->speed[index] = level; | ||
138 | set_bit(index, &mc->speed_events); | ||
139 | } | ||
140 | |||
141 | level = ((s8)buffer[6] << 8) | buffer[7]; | ||
142 | mc->_current[index] = level * 100 / 1572; | ||
143 | } | ||
144 | |||
145 | if (buffer[1] & 1) | ||
146 | set_bit(0, &mc->exceed_events); | ||
147 | |||
148 | if (buffer[1] & 2) | ||
149 | set_bit(1, &mc->exceed_events); | ||
150 | |||
151 | if (mc->input_events || mc->exceed_events || mc->speed_events) | ||
152 | schedule_delayed_work(&mc->do_notify, 0); | ||
153 | |||
154 | resubmit: | ||
155 | retval = usb_submit_urb(urb, GFP_ATOMIC); | ||
156 | if (retval) | ||
157 | dev_err(&mc->intf->dev, | ||
158 | "can't resubmit intr, %s-%s/motorcontrol0, retval %d\n", | ||
159 | mc->udev->bus->bus_name, | ||
160 | mc->udev->devpath, retval); | ||
161 | } | ||
162 | |||
163 | static void do_notify(struct work_struct *work) | ||
164 | { | ||
165 | struct motorcontrol *mc = | ||
166 | container_of(work, struct motorcontrol, do_notify.work); | ||
167 | int i; | ||
168 | char sysfs_file[8]; | ||
169 | |||
170 | for (i=0; i<4; i++) { | ||
171 | if (test_and_clear_bit(i, &mc->input_events)) { | ||
172 | sprintf(sysfs_file, "input%d", i); | ||
173 | sysfs_notify(&mc->dev->kobj, NULL, sysfs_file); | ||
174 | } | ||
175 | } | ||
176 | |||
177 | for (i=0; i<2; i++) { | ||
178 | if (test_and_clear_bit(i, &mc->speed_events)) { | ||
179 | sprintf(sysfs_file, "speed%d", i); | ||
180 | sysfs_notify(&mc->dev->kobj, NULL, sysfs_file); | ||
181 | } | ||
182 | } | ||
183 | |||
184 | for (i=0; i<2; i++) { | ||
185 | if (test_and_clear_bit(i, &mc->exceed_events)) | ||
186 | dev_warn(&mc->intf->dev, | ||
187 | "motor #%d exceeds 1.5 Amp current limit\n", i); | ||
188 | } | ||
189 | } | ||
190 | |||
191 | #define show_set_speed(value) \ | ||
192 | static ssize_t set_speed##value(struct device *dev, \ | ||
193 | struct device_attribute *attr, \ | ||
194 | const char *buf, size_t count) \ | ||
195 | { \ | ||
196 | struct motorcontrol *mc = dev_get_drvdata(dev); \ | ||
197 | int speed; \ | ||
198 | int retval; \ | ||
199 | \ | ||
200 | if (sscanf(buf, "%d", &speed) < 1) \ | ||
201 | return -EINVAL; \ | ||
202 | \ | ||
203 | if (speed < -100 || speed > 100) \ | ||
204 | return -EINVAL; \ | ||
205 | \ | ||
206 | mc->desired_speed[value] = speed; \ | ||
207 | \ | ||
208 | retval = set_motor(mc, value); \ | ||
209 | \ | ||
210 | return retval ? retval : count; \ | ||
211 | } \ | ||
212 | \ | ||
213 | static ssize_t show_speed##value(struct device *dev, \ | ||
214 | struct device_attribute *attr, \ | ||
215 | char *buf) \ | ||
216 | { \ | ||
217 | struct motorcontrol *mc = dev_get_drvdata(dev); \ | ||
218 | \ | ||
219 | return sprintf(buf, "%d\n", mc->speed[value]); \ | ||
220 | } | ||
221 | |||
222 | #define speed_attr(value) \ | ||
223 | __ATTR(speed##value, S_IWUGO | S_IRUGO, \ | ||
224 | show_speed##value, set_speed##value) | ||
225 | |||
226 | show_set_speed(0); | ||
227 | show_set_speed(1); | ||
228 | |||
229 | #define show_set_acceleration(value) \ | ||
230 | static ssize_t set_acceleration##value(struct device *dev, \ | ||
231 | struct device_attribute *attr, \ | ||
232 | const char *buf, size_t count) \ | ||
233 | { \ | ||
234 | struct motorcontrol *mc = dev_get_drvdata(dev); \ | ||
235 | int acceleration; \ | ||
236 | int retval; \ | ||
237 | \ | ||
238 | if (sscanf(buf, "%d", &acceleration) < 1) \ | ||
239 | return -EINVAL; \ | ||
240 | \ | ||
241 | if (acceleration < 0 || acceleration > 100) \ | ||
242 | return -EINVAL; \ | ||
243 | \ | ||
244 | mc->acceleration[value] = acceleration; \ | ||
245 | \ | ||
246 | retval = set_motor(mc, value); \ | ||
247 | \ | ||
248 | return retval ? retval : count; \ | ||
249 | } \ | ||
250 | \ | ||
251 | static ssize_t show_acceleration##value(struct device *dev, \ | ||
252 | struct device_attribute *attr, \ | ||
253 | char *buf) \ | ||
254 | { \ | ||
255 | struct motorcontrol *mc = dev_get_drvdata(dev); \ | ||
256 | \ | ||
257 | return sprintf(buf, "%d\n", mc->acceleration[value]); \ | ||
258 | } | ||
259 | |||
260 | #define acceleration_attr(value) \ | ||
261 | __ATTR(acceleration##value, S_IWUGO | S_IRUGO, \ | ||
262 | show_acceleration##value, set_acceleration##value) | ||
263 | |||
264 | show_set_acceleration(0); | ||
265 | show_set_acceleration(1); | ||
266 | |||
267 | #define show_current(value) \ | ||
268 | static ssize_t show_current##value(struct device *dev, \ | ||
269 | struct device_attribute *attr, \ | ||
270 | char *buf) \ | ||
271 | { \ | ||
272 | struct motorcontrol *mc = dev_get_drvdata(dev); \ | ||
273 | \ | ||
274 | return sprintf(buf, "%dmA\n", (int)mc->_current[value]); \ | ||
275 | } | ||
276 | |||
277 | #define current_attr(value) \ | ||
278 | __ATTR(current##value, S_IRUGO, show_current##value, NULL) | ||
279 | |||
280 | show_current(0); | ||
281 | show_current(1); | ||
282 | |||
283 | #define show_input(value) \ | ||
284 | static ssize_t show_input##value(struct device *dev, \ | ||
285 | struct device_attribute *attr, \ | ||
286 | char *buf) \ | ||
287 | { \ | ||
288 | struct motorcontrol *mc = dev_get_drvdata(dev); \ | ||
289 | \ | ||
290 | return sprintf(buf, "%d\n", (int)mc->inputs[value]); \ | ||
291 | } | ||
292 | |||
293 | #define input_attr(value) \ | ||
294 | __ATTR(input##value, S_IRUGO, show_input##value, NULL) | ||
295 | |||
296 | show_input(0); | ||
297 | show_input(1); | ||
298 | show_input(2); | ||
299 | show_input(3); | ||
300 | |||
301 | static struct device_attribute dev_attrs[] = { | ||
302 | input_attr(0), | ||
303 | input_attr(1), | ||
304 | input_attr(2), | ||
305 | input_attr(3), | ||
306 | speed_attr(0), | ||
307 | speed_attr(1), | ||
308 | acceleration_attr(0), | ||
309 | acceleration_attr(1), | ||
310 | current_attr(0), | ||
311 | current_attr(1) | ||
312 | }; | ||
313 | |||
314 | static int motorcontrol_probe(struct usb_interface *intf, const struct usb_device_id *id) | ||
315 | { | ||
316 | struct usb_device *dev = interface_to_usbdev(intf); | ||
317 | struct usb_host_interface *interface; | ||
318 | struct usb_endpoint_descriptor *endpoint; | ||
319 | struct motorcontrol *mc; | ||
320 | int pipe, maxp, rc = -ENOMEM; | ||
321 | int bit, value, i; | ||
322 | |||
323 | interface = intf->cur_altsetting; | ||
324 | if (interface->desc.bNumEndpoints != 1) | ||
325 | return -ENODEV; | ||
326 | |||
327 | endpoint = &interface->endpoint[0].desc; | ||
328 | if (!usb_endpoint_dir_in(endpoint)) | ||
329 | return -ENODEV; | ||
330 | |||
331 | /* | ||
332 | * bmAttributes | ||
333 | */ | ||
334 | pipe = usb_rcvintpipe(dev, endpoint->bEndpointAddress); | ||
335 | maxp = usb_maxpacket(dev, pipe, usb_pipeout(pipe)); | ||
336 | |||
337 | mc = kzalloc(sizeof(*mc), GFP_KERNEL); | ||
338 | if (!mc) | ||
339 | goto out; | ||
340 | |||
341 | mc->dev_no = -1; | ||
342 | mc->data = usb_buffer_alloc(dev, URB_INT_SIZE, GFP_ATOMIC, &mc->data_dma); | ||
343 | if (!mc->data) | ||
344 | goto out; | ||
345 | |||
346 | mc->irq = usb_alloc_urb(0, GFP_KERNEL); | ||
347 | if (!mc->irq) | ||
348 | goto out; | ||
349 | |||
350 | mc->udev = usb_get_dev(dev); | ||
351 | mc->intf = intf; | ||
352 | mc->acceleration[0] = mc->acceleration[1] = 10; | ||
353 | INIT_DELAYED_WORK(&mc->do_notify, do_notify); | ||
354 | usb_fill_int_urb(mc->irq, mc->udev, pipe, mc->data, | ||
355 | maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp, | ||
356 | motorcontrol_irq, mc, endpoint->bInterval); | ||
357 | mc->irq->transfer_dma = mc->data_dma; | ||
358 | mc->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; | ||
359 | |||
360 | usb_set_intfdata(intf, mc); | ||
361 | |||
362 | do { | ||
363 | bit = find_first_zero_bit(&device_no, sizeof(device_no)); | ||
364 | value = test_and_set_bit(bit, &device_no); | ||
365 | } while(value); | ||
366 | mc->dev_no = bit; | ||
367 | |||
368 | mc->dev = device_create(phidget_class, &mc->udev->dev, MKDEV(0, 0), mc, | ||
369 | "motorcontrol%d", mc->dev_no); | ||
370 | if (IS_ERR(mc->dev)) { | ||
371 | rc = PTR_ERR(mc->dev); | ||
372 | mc->dev = NULL; | ||
373 | goto out; | ||
374 | } | ||
375 | |||
376 | if (usb_submit_urb(mc->irq, GFP_KERNEL)) { | ||
377 | rc = -EIO; | ||
378 | goto out; | ||
379 | } | ||
380 | |||
381 | for (i=0; i<ARRAY_SIZE(dev_attrs); i++) { | ||
382 | rc = device_create_file(mc->dev, &dev_attrs[i]); | ||
383 | if (rc) | ||
384 | goto out2; | ||
385 | } | ||
386 | |||
387 | dev_info(&intf->dev, "USB PhidgetMotorControl attached\n"); | ||
388 | |||
389 | return 0; | ||
390 | out2: | ||
391 | while (i-- > 0) | ||
392 | device_remove_file(mc->dev, &dev_attrs[i]); | ||
393 | out: | ||
394 | if (mc) { | ||
395 | usb_free_urb(mc->irq); | ||
396 | if (mc->data) | ||
397 | usb_buffer_free(dev, URB_INT_SIZE, mc->data, mc->data_dma); | ||
398 | if (mc->dev) | ||
399 | device_unregister(mc->dev); | ||
400 | if (mc->dev_no >= 0) | ||
401 | clear_bit(mc->dev_no, &device_no); | ||
402 | |||
403 | kfree(mc); | ||
404 | } | ||
405 | |||
406 | return rc; | ||
407 | } | ||
408 | |||
409 | static void motorcontrol_disconnect(struct usb_interface *interface) | ||
410 | { | ||
411 | struct motorcontrol *mc; | ||
412 | int i; | ||
413 | |||
414 | mc = usb_get_intfdata(interface); | ||
415 | usb_set_intfdata(interface, NULL); | ||
416 | if (!mc) | ||
417 | return; | ||
418 | |||
419 | usb_kill_urb(mc->irq); | ||
420 | usb_free_urb(mc->irq); | ||
421 | usb_buffer_free(mc->udev, URB_INT_SIZE, mc->data, mc->data_dma); | ||
422 | |||
423 | cancel_delayed_work(&mc->do_notify); | ||
424 | |||
425 | for (i=0; i<ARRAY_SIZE(dev_attrs); i++) | ||
426 | device_remove_file(mc->dev, &dev_attrs[i]); | ||
427 | |||
428 | device_unregister(mc->dev); | ||
429 | |||
430 | usb_put_dev(mc->udev); | ||
431 | clear_bit(mc->dev_no, &device_no); | ||
432 | kfree(mc); | ||
433 | |||
434 | dev_info(&interface->dev, "USB PhidgetMotorControl detached\n"); | ||
435 | } | ||
436 | |||
437 | static struct usb_driver motorcontrol_driver = { | ||
438 | .name = "phidgetmotorcontrol", | ||
439 | .probe = motorcontrol_probe, | ||
440 | .disconnect = motorcontrol_disconnect, | ||
441 | .id_table = id_table | ||
442 | }; | ||
443 | |||
444 | static int __init motorcontrol_init(void) | ||
445 | { | ||
446 | int retval = 0; | ||
447 | |||
448 | retval = usb_register(&motorcontrol_driver); | ||
449 | if (retval) | ||
450 | err("usb_register failed. Error number %d", retval); | ||
451 | |||
452 | return retval; | ||
453 | } | ||
454 | |||
455 | static void __exit motorcontrol_exit(void) | ||
456 | { | ||
457 | usb_deregister(&motorcontrol_driver); | ||
458 | } | ||
459 | |||
460 | module_init(motorcontrol_init); | ||
461 | module_exit(motorcontrol_exit); | ||
462 | |||
463 | MODULE_AUTHOR(DRIVER_AUTHOR); | ||
464 | MODULE_DESCRIPTION(DRIVER_DESC); | ||
465 | MODULE_LICENSE("GPL"); | ||
diff --git a/drivers/usb/misc/phidgetservo.c b/drivers/usb/misc/phidgetservo.c deleted file mode 100644 index bef6fe16364b..000000000000 --- a/drivers/usb/misc/phidgetservo.c +++ /dev/null | |||
@@ -1,375 +0,0 @@ | |||
1 | /* | ||
2 | * USB PhidgetServo driver 1.0 | ||
3 | * | ||
4 | * Copyright (C) 2004, 2006 Sean Young <sean@mess.org> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This is a driver for the USB PhidgetServo version 2.0 and 3.0 servo | ||
12 | * controllers available at: http://www.phidgets.com/ | ||
13 | * | ||
14 | * Note that the driver takes input as: degrees.minutes | ||
15 | * | ||
16 | * CAUTION: Generally you should use 0 < degrees < 180 as anything else | ||
17 | * is probably beyond the range of your servo and may damage it. | ||
18 | */ | ||
19 | |||
20 | #include <linux/kernel.h> | ||
21 | #include <linux/errno.h> | ||
22 | #include <linux/init.h> | ||
23 | #include <linux/slab.h> | ||
24 | #include <linux/module.h> | ||
25 | #include <linux/usb.h> | ||
26 | |||
27 | #include "phidget.h" | ||
28 | |||
29 | #define DRIVER_AUTHOR "Sean Young <sean@mess.org>" | ||
30 | #define DRIVER_DESC "USB PhidgetServo Driver" | ||
31 | |||
32 | #define VENDOR_ID_GLAB 0x06c2 | ||
33 | #define DEVICE_ID_GLAB_PHIDGETSERVO_QUAD 0x0038 | ||
34 | #define DEVICE_ID_GLAB_PHIDGETSERVO_UNI 0x0039 | ||
35 | |||
36 | #define VENDOR_ID_WISEGROUP 0x0925 | ||
37 | #define VENDOR_ID_WISEGROUP_PHIDGETSERVO_QUAD 0x8101 | ||
38 | #define VENDOR_ID_WISEGROUP_PHIDGETSERVO_UNI 0x8104 | ||
39 | |||
40 | #define SERVO_VERSION_30 0x01 | ||
41 | #define SERVO_COUNT_QUAD 0x02 | ||
42 | |||
43 | static struct usb_device_id id_table[] = { | ||
44 | { | ||
45 | USB_DEVICE(VENDOR_ID_GLAB, DEVICE_ID_GLAB_PHIDGETSERVO_QUAD), | ||
46 | .driver_info = SERVO_VERSION_30 | SERVO_COUNT_QUAD | ||
47 | }, | ||
48 | { | ||
49 | USB_DEVICE(VENDOR_ID_GLAB, DEVICE_ID_GLAB_PHIDGETSERVO_UNI), | ||
50 | .driver_info = SERVO_VERSION_30 | ||
51 | }, | ||
52 | { | ||
53 | USB_DEVICE(VENDOR_ID_WISEGROUP, | ||
54 | VENDOR_ID_WISEGROUP_PHIDGETSERVO_QUAD), | ||
55 | .driver_info = SERVO_COUNT_QUAD | ||
56 | }, | ||
57 | { | ||
58 | USB_DEVICE(VENDOR_ID_WISEGROUP, | ||
59 | VENDOR_ID_WISEGROUP_PHIDGETSERVO_UNI), | ||
60 | .driver_info = 0 | ||
61 | }, | ||
62 | {} | ||
63 | }; | ||
64 | |||
65 | MODULE_DEVICE_TABLE(usb, id_table); | ||
66 | |||
67 | static int unsigned long device_no; | ||
68 | |||
69 | struct phidget_servo { | ||
70 | struct usb_device *udev; | ||
71 | struct device *dev; | ||
72 | int dev_no; | ||
73 | ulong type; | ||
74 | int pulse[4]; | ||
75 | int degrees[4]; | ||
76 | int minutes[4]; | ||
77 | }; | ||
78 | |||
79 | static int | ||
80 | change_position_v30(struct phidget_servo *servo, int servo_no, int degrees, | ||
81 | int minutes) | ||
82 | { | ||
83 | int retval; | ||
84 | unsigned char *buffer; | ||
85 | |||
86 | if (degrees < -23 || degrees > 362) | ||
87 | return -EINVAL; | ||
88 | |||
89 | buffer = kmalloc(6, GFP_KERNEL); | ||
90 | if (!buffer) { | ||
91 | dev_err(&servo->udev->dev, "%s - out of memory\n", | ||
92 | __func__); | ||
93 | return -ENOMEM; | ||
94 | } | ||
95 | |||
96 | /* | ||
97 | * pulse = 0 - 4095 | ||
98 | * angle = 0 - 180 degrees | ||
99 | * | ||
100 | * pulse = angle * 10.6 + 243.8 | ||
101 | */ | ||
102 | servo->pulse[servo_no] = ((degrees*60 + minutes)*106 + 2438*60)/600; | ||
103 | servo->degrees[servo_no]= degrees; | ||
104 | servo->minutes[servo_no]= minutes; | ||
105 | |||
106 | /* | ||
107 | * The PhidgetServo v3.0 is controlled by sending 6 bytes, | ||
108 | * 4 * 12 bits for each servo. | ||
109 | * | ||
110 | * low = lower 8 bits pulse | ||
111 | * high = higher 4 bits pulse | ||
112 | * | ||
113 | * offset bits | ||
114 | * +---+-----------------+ | ||
115 | * | 0 | low 0 | | ||
116 | * +---+--------+--------+ | ||
117 | * | 1 | high 1 | high 0 | | ||
118 | * +---+--------+--------+ | ||
119 | * | 2 | low 1 | | ||
120 | * +---+-----------------+ | ||
121 | * | 3 | low 2 | | ||
122 | * +---+--------+--------+ | ||
123 | * | 4 | high 3 | high 2 | | ||
124 | * +---+--------+--------+ | ||
125 | * | 5 | low 3 | | ||
126 | * +---+-----------------+ | ||
127 | */ | ||
128 | |||
129 | buffer[0] = servo->pulse[0] & 0xff; | ||
130 | buffer[1] = (servo->pulse[0] >> 8 & 0x0f) | ||
131 | | (servo->pulse[1] >> 4 & 0xf0); | ||
132 | buffer[2] = servo->pulse[1] & 0xff; | ||
133 | buffer[3] = servo->pulse[2] & 0xff; | ||
134 | buffer[4] = (servo->pulse[2] >> 8 & 0x0f) | ||
135 | | (servo->pulse[3] >> 4 & 0xf0); | ||
136 | buffer[5] = servo->pulse[3] & 0xff; | ||
137 | |||
138 | dev_dbg(&servo->udev->dev, | ||
139 | "data: %02x %02x %02x %02x %02x %02x\n", | ||
140 | buffer[0], buffer[1], buffer[2], | ||
141 | buffer[3], buffer[4], buffer[5]); | ||
142 | |||
143 | retval = usb_control_msg(servo->udev, | ||
144 | usb_sndctrlpipe(servo->udev, 0), | ||
145 | 0x09, 0x21, 0x0200, 0x0000, buffer, 6, 2000); | ||
146 | |||
147 | kfree(buffer); | ||
148 | |||
149 | return retval; | ||
150 | } | ||
151 | |||
152 | static int | ||
153 | change_position_v20(struct phidget_servo *servo, int servo_no, int degrees, | ||
154 | int minutes) | ||
155 | { | ||
156 | int retval; | ||
157 | unsigned char *buffer; | ||
158 | |||
159 | if (degrees < -23 || degrees > 278) | ||
160 | return -EINVAL; | ||
161 | |||
162 | buffer = kmalloc(2, GFP_KERNEL); | ||
163 | if (!buffer) { | ||
164 | dev_err(&servo->udev->dev, "%s - out of memory\n", | ||
165 | __func__); | ||
166 | return -ENOMEM; | ||
167 | } | ||
168 | |||
169 | /* | ||
170 | * angle = 0 - 180 degrees | ||
171 | * pulse = angle + 23 | ||
172 | */ | ||
173 | servo->pulse[servo_no]= degrees + 23; | ||
174 | servo->degrees[servo_no]= degrees; | ||
175 | servo->minutes[servo_no]= 0; | ||
176 | |||
177 | /* | ||
178 | * The PhidgetServo v2.0 is controlled by sending two bytes. The | ||
179 | * first byte is the servo number xor'ed with 2: | ||
180 | * | ||
181 | * servo 0 = 2 | ||
182 | * servo 1 = 3 | ||
183 | * servo 2 = 0 | ||
184 | * servo 3 = 1 | ||
185 | * | ||
186 | * The second byte is the position. | ||
187 | */ | ||
188 | |||
189 | buffer[0] = servo_no ^ 2; | ||
190 | buffer[1] = servo->pulse[servo_no]; | ||
191 | |||
192 | dev_dbg(&servo->udev->dev, "data: %02x %02x\n", buffer[0], buffer[1]); | ||
193 | |||
194 | retval = usb_control_msg(servo->udev, | ||
195 | usb_sndctrlpipe(servo->udev, 0), | ||
196 | 0x09, 0x21, 0x0200, 0x0000, buffer, 2, 2000); | ||
197 | |||
198 | kfree(buffer); | ||
199 | |||
200 | return retval; | ||
201 | } | ||
202 | |||
203 | #define show_set(value) \ | ||
204 | static ssize_t set_servo##value (struct device *dev, \ | ||
205 | struct device_attribute *attr, \ | ||
206 | const char *buf, size_t count) \ | ||
207 | { \ | ||
208 | int degrees, minutes, retval; \ | ||
209 | struct phidget_servo *servo = dev_get_drvdata(dev); \ | ||
210 | \ | ||
211 | minutes = 0; \ | ||
212 | /* must at least convert degrees */ \ | ||
213 | if (sscanf(buf, "%d.%d", °rees, &minutes) < 1) { \ | ||
214 | return -EINVAL; \ | ||
215 | } \ | ||
216 | \ | ||
217 | if (minutes < 0 || minutes > 59) \ | ||
218 | return -EINVAL; \ | ||
219 | \ | ||
220 | if (servo->type & SERVO_VERSION_30) \ | ||
221 | retval = change_position_v30(servo, value, degrees, \ | ||
222 | minutes); \ | ||
223 | else \ | ||
224 | retval = change_position_v20(servo, value, degrees, \ | ||
225 | minutes); \ | ||
226 | \ | ||
227 | return retval < 0 ? retval : count; \ | ||
228 | } \ | ||
229 | \ | ||
230 | static ssize_t show_servo##value (struct device *dev, \ | ||
231 | struct device_attribute *attr, \ | ||
232 | char *buf) \ | ||
233 | { \ | ||
234 | struct phidget_servo *servo = dev_get_drvdata(dev); \ | ||
235 | \ | ||
236 | return sprintf(buf, "%d.%02d\n", servo->degrees[value], \ | ||
237 | servo->minutes[value]); \ | ||
238 | } | ||
239 | |||
240 | #define servo_attr(value) \ | ||
241 | __ATTR(servo##value, S_IWUGO | S_IRUGO, \ | ||
242 | show_servo##value, set_servo##value) | ||
243 | show_set(0); | ||
244 | show_set(1); | ||
245 | show_set(2); | ||
246 | show_set(3); | ||
247 | |||
248 | static struct device_attribute dev_attrs[] = { | ||
249 | servo_attr(0), servo_attr(1), servo_attr(2), servo_attr(3) | ||
250 | }; | ||
251 | |||
252 | static int | ||
253 | servo_probe(struct usb_interface *interface, const struct usb_device_id *id) | ||
254 | { | ||
255 | struct usb_device *udev = interface_to_usbdev(interface); | ||
256 | struct phidget_servo *dev; | ||
257 | int bit, value, rc; | ||
258 | int servo_count, i; | ||
259 | |||
260 | dev = kzalloc(sizeof (struct phidget_servo), GFP_KERNEL); | ||
261 | if (dev == NULL) { | ||
262 | dev_err(&interface->dev, "%s - out of memory\n", __func__); | ||
263 | rc = -ENOMEM; | ||
264 | goto out; | ||
265 | } | ||
266 | |||
267 | dev->udev = usb_get_dev(udev); | ||
268 | dev->type = id->driver_info; | ||
269 | dev->dev_no = -1; | ||
270 | usb_set_intfdata(interface, dev); | ||
271 | |||
272 | do { | ||
273 | bit = find_first_zero_bit(&device_no, sizeof(device_no)); | ||
274 | value = test_and_set_bit(bit, &device_no); | ||
275 | } while (value); | ||
276 | dev->dev_no = bit; | ||
277 | |||
278 | dev->dev = device_create(phidget_class, &dev->udev->dev, MKDEV(0, 0), | ||
279 | dev, "servo%d", dev->dev_no); | ||
280 | if (IS_ERR(dev->dev)) { | ||
281 | rc = PTR_ERR(dev->dev); | ||
282 | dev->dev = NULL; | ||
283 | goto out; | ||
284 | } | ||
285 | |||
286 | servo_count = dev->type & SERVO_COUNT_QUAD ? 4 : 1; | ||
287 | |||
288 | for (i=0; i<servo_count; i++) { | ||
289 | rc = device_create_file(dev->dev, &dev_attrs[i]); | ||
290 | if (rc) | ||
291 | goto out2; | ||
292 | } | ||
293 | |||
294 | dev_info(&interface->dev, "USB %d-Motor PhidgetServo v%d.0 attached\n", | ||
295 | servo_count, dev->type & SERVO_VERSION_30 ? 3 : 2); | ||
296 | |||
297 | if (!(dev->type & SERVO_VERSION_30)) | ||
298 | dev_info(&interface->dev, | ||
299 | "WARNING: v2.0 not tested! Please report if it works.\n"); | ||
300 | |||
301 | return 0; | ||
302 | out2: | ||
303 | while (i-- > 0) | ||
304 | device_remove_file(dev->dev, &dev_attrs[i]); | ||
305 | out: | ||
306 | if (dev) { | ||
307 | if (dev->dev) | ||
308 | device_unregister(dev->dev); | ||
309 | if (dev->dev_no >= 0) | ||
310 | clear_bit(dev->dev_no, &device_no); | ||
311 | |||
312 | kfree(dev); | ||
313 | } | ||
314 | |||
315 | return rc; | ||
316 | } | ||
317 | |||
318 | static void | ||
319 | servo_disconnect(struct usb_interface *interface) | ||
320 | { | ||
321 | struct phidget_servo *dev; | ||
322 | int servo_count, i; | ||
323 | |||
324 | dev = usb_get_intfdata(interface); | ||
325 | usb_set_intfdata(interface, NULL); | ||
326 | |||
327 | if (!dev) | ||
328 | return; | ||
329 | |||
330 | servo_count = dev->type & SERVO_COUNT_QUAD ? 4 : 1; | ||
331 | |||
332 | for (i=0; i<servo_count; i++) | ||
333 | device_remove_file(dev->dev, &dev_attrs[i]); | ||
334 | |||
335 | device_unregister(dev->dev); | ||
336 | usb_put_dev(dev->udev); | ||
337 | |||
338 | dev_info(&interface->dev, "USB %d-Motor PhidgetServo v%d.0 detached\n", | ||
339 | servo_count, dev->type & SERVO_VERSION_30 ? 3 : 2); | ||
340 | |||
341 | clear_bit(dev->dev_no, &device_no); | ||
342 | kfree(dev); | ||
343 | } | ||
344 | |||
345 | static struct usb_driver servo_driver = { | ||
346 | .name = "phidgetservo", | ||
347 | .probe = servo_probe, | ||
348 | .disconnect = servo_disconnect, | ||
349 | .id_table = id_table | ||
350 | }; | ||
351 | |||
352 | static int __init | ||
353 | phidget_servo_init(void) | ||
354 | { | ||
355 | int retval; | ||
356 | |||
357 | retval = usb_register(&servo_driver); | ||
358 | if (retval) | ||
359 | err("usb_register failed. Error number %d", retval); | ||
360 | |||
361 | return retval; | ||
362 | } | ||
363 | |||
364 | static void __exit | ||
365 | phidget_servo_exit(void) | ||
366 | { | ||
367 | usb_deregister(&servo_driver); | ||
368 | } | ||
369 | |||
370 | module_init(phidget_servo_init); | ||
371 | module_exit(phidget_servo_exit); | ||
372 | |||
373 | MODULE_AUTHOR(DRIVER_AUTHOR); | ||
374 | MODULE_DESCRIPTION(DRIVER_DESC); | ||
375 | MODULE_LICENSE("GPL"); | ||