Commit | Line | Data |
---|---|---|
d064f960 | 1 | /* |
d0058645 RP |
2 | * tm6000-input.c - driver for TM5600/TM6000/TM6010 USB video capture devices |
3 | * | |
4 | * Copyright (C) 2010 Stefan Ringel <stefan.ringel@arcor.de> | |
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 version 2 | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
d064f960 SR |
18 | */ |
19 | ||
20 | #include <linux/module.h> | |
21 | #include <linux/init.h> | |
22 | #include <linux/delay.h> | |
23 | ||
24 | #include <linux/input.h> | |
25 | #include <linux/usb.h> | |
26 | ||
27 | #include <media/ir-core.h> | |
d064f960 SR |
28 | |
29 | #include "tm6000.h" | |
30 | #include "tm6000-regs.h" | |
31 | ||
32 | static unsigned int ir_debug; | |
33 | module_param(ir_debug, int, 0644); | |
34 | MODULE_PARM_DESC(ir_debug, "enable debug message [IR]"); | |
35 | ||
36 | static unsigned int enable_ir = 1; | |
37 | module_param(enable_ir, int, 0644); | |
401ad278 | 38 | MODULE_PARM_DESC(enable_ir, "enable ir (default is enable)"); |
d064f960 SR |
39 | |
40 | #undef dprintk | |
41 | ||
02c71055 | 42 | #define dprintk(fmt, arg...) \ |
d064f960 SR |
43 | if (ir_debug) { \ |
44 | printk(KERN_DEBUG "%s/ir: " fmt, ir->name , ## arg); \ | |
45 | } | |
46 | ||
47 | struct tm6000_ir_poll_result { | |
1b376dac | 48 | u16 rc_data; |
d064f960 SR |
49 | }; |
50 | ||
51 | struct tm6000_IR { | |
52 | struct tm6000_core *dev; | |
d8b4b582 | 53 | struct rc_dev *rc; |
d064f960 SR |
54 | char name[32]; |
55 | char phys[32]; | |
56 | ||
57 | /* poll expernal decoder */ | |
58 | int polling; | |
59 | struct delayed_work work; | |
60 | u8 wait:1; | |
1b376dac | 61 | u8 key:1; |
d064f960 SR |
62 | struct urb *int_urb; |
63 | u8 *urb_data; | |
d064f960 SR |
64 | |
65 | int (*get_key) (struct tm6000_IR *, struct tm6000_ir_poll_result *); | |
66 | ||
67 | /* IR device properties */ | |
62c65031 | 68 | u64 ir_type; |
d064f960 SR |
69 | }; |
70 | ||
71 | ||
72 | void tm6000_ir_wait(struct tm6000_core *dev, u8 state) | |
73 | { | |
74 | struct tm6000_IR *ir = dev->ir; | |
75 | ||
76 | if (!dev->ir) | |
77 | return; | |
78 | ||
79 | if (state) | |
80 | ir->wait = 1; | |
81 | else | |
82 | ir->wait = 0; | |
83 | } | |
84 | ||
85 | ||
86 | static int tm6000_ir_config(struct tm6000_IR *ir) | |
87 | { | |
88 | struct tm6000_core *dev = ir->dev; | |
89 | u8 buf[10]; | |
90 | int rc; | |
91 | ||
92 | /* hack */ | |
93 | buf[0] = 0xff; | |
94 | buf[1] = 0xff; | |
95 | buf[2] = 0xf2; | |
96 | buf[3] = 0x2b; | |
97 | buf[4] = 0x20; | |
98 | buf[5] = 0x35; | |
99 | buf[6] = 0x60; | |
100 | buf[7] = 0x04; | |
101 | buf[8] = 0xc0; | |
102 | buf[9] = 0x08; | |
103 | ||
104 | rc = tm6000_read_write_usb(dev, USB_DIR_OUT | USB_TYPE_VENDOR | | |
105 | USB_RECIP_DEVICE, REQ_00_SET_IR_VALUE, 0, 0, buf, 0x0a); | |
106 | msleep(100); | |
107 | ||
108 | if (rc < 0) { | |
109 | printk(KERN_INFO "IR configuration failed"); | |
110 | return rc; | |
111 | } | |
112 | return 0; | |
113 | } | |
114 | ||
115 | static void tm6000_ir_urb_received(struct urb *urb) | |
116 | { | |
117 | struct tm6000_core *dev = urb->context; | |
118 | struct tm6000_IR *ir = dev->ir; | |
119 | int rc; | |
02c71055 | 120 | |
d064f960 SR |
121 | if (urb->status != 0) |
122 | printk(KERN_INFO "not ready\n"); | |
1b376dac | 123 | else if (urb->actual_length > 0) { |
02c71055 | 124 | memcpy(ir->urb_data, urb->transfer_buffer, urb->actual_length); |
d064f960 | 125 | |
1b376dac SR |
126 | dprintk("data %02x %02x %02x %02x\n", ir->urb_data[0], |
127 | ir->urb_data[1], ir->urb_data[2], ir->urb_data[3]); | |
d064f960 | 128 | |
1b376dac SR |
129 | ir->key = 1; |
130 | } | |
d064f960 SR |
131 | |
132 | rc = usb_submit_urb(urb, GFP_ATOMIC); | |
133 | } | |
134 | ||
135 | static int default_polling_getkey(struct tm6000_IR *ir, | |
136 | struct tm6000_ir_poll_result *poll_result) | |
137 | { | |
138 | struct tm6000_core *dev = ir->dev; | |
139 | int rc; | |
140 | u8 buf[2]; | |
141 | ||
1b376dac | 142 | if (ir->wait && !&dev->int_in) |
d064f960 | 143 | return 0; |
d064f960 SR |
144 | |
145 | if (&dev->int_in) { | |
62c65031 | 146 | if (ir->ir_type == IR_TYPE_RC5) |
1b376dac SR |
147 | poll_result->rc_data = ir->urb_data[0]; |
148 | else | |
149 | poll_result->rc_data = ir->urb_data[0] | ir->urb_data[1] << 8; | |
d064f960 SR |
150 | } else { |
151 | tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 0); | |
152 | msleep(10); | |
153 | tm6000_set_reg(dev, REQ_04_EN_DISABLE_MCU_INT, 2, 1); | |
154 | msleep(10); | |
155 | ||
62c65031 | 156 | if (ir->ir_type == IR_TYPE_RC5) { |
1b376dac SR |
157 | rc = tm6000_read_write_usb(dev, USB_DIR_IN | |
158 | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
159 | REQ_02_GET_IR_CODE, 0, 0, buf, 1); | |
d064f960 | 160 | |
1b376dac SR |
161 | msleep(10); |
162 | ||
163 | dprintk("read data=%02x\n", buf[0]); | |
164 | if (rc < 0) | |
165 | return rc; | |
166 | ||
167 | poll_result->rc_data = buf[0]; | |
168 | } else { | |
169 | rc = tm6000_read_write_usb(dev, USB_DIR_IN | | |
170 | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
171 | REQ_02_GET_IR_CODE, 0, 0, buf, 2); | |
172 | ||
173 | msleep(10); | |
d064f960 | 174 | |
1b376dac SR |
175 | dprintk("read data=%04x\n", buf[0] | buf[1] << 8); |
176 | if (rc < 0) | |
177 | return rc; | |
02c71055 | 178 | |
1b376dac SR |
179 | poll_result->rc_data = buf[0] | buf[1] << 8; |
180 | } | |
181 | if ((poll_result->rc_data & 0x00ff) != 0xff) | |
182 | ir->key = 1; | |
d064f960 SR |
183 | } |
184 | return 0; | |
185 | } | |
186 | ||
187 | static void tm6000_ir_handle_key(struct tm6000_IR *ir) | |
188 | { | |
189 | int result; | |
190 | struct tm6000_ir_poll_result poll_result; | |
191 | ||
192 | /* read the registers containing the IR status */ | |
193 | result = ir->get_key(ir, &poll_result); | |
194 | if (result < 0) { | |
195 | printk(KERN_INFO "ir->get_key() failed %d\n", result); | |
196 | return; | |
197 | } | |
198 | ||
1b376dac | 199 | dprintk("ir->get_key result data=%04x\n", poll_result.rc_data); |
d064f960 | 200 | |
1b376dac | 201 | if (ir->key) { |
d8b4b582 | 202 | ir_keydown(ir->rc, poll_result.rc_data, 0); |
d064f960 SR |
203 | ir->key = 0; |
204 | } | |
205 | return; | |
206 | } | |
207 | ||
208 | static void tm6000_ir_work(struct work_struct *work) | |
209 | { | |
210 | struct tm6000_IR *ir = container_of(work, struct tm6000_IR, work.work); | |
211 | ||
212 | tm6000_ir_handle_key(ir); | |
213 | schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling)); | |
214 | } | |
215 | ||
d8b4b582 | 216 | static int tm6000_ir_start(struct rc_dev *rc) |
d064f960 | 217 | { |
d8b4b582 | 218 | struct tm6000_IR *ir = rc->priv; |
d064f960 SR |
219 | |
220 | INIT_DELAYED_WORK(&ir->work, tm6000_ir_work); | |
221 | schedule_delayed_work(&ir->work, 0); | |
222 | ||
223 | return 0; | |
224 | } | |
225 | ||
d8b4b582 | 226 | static void tm6000_ir_stop(struct rc_dev *rc) |
d064f960 | 227 | { |
d8b4b582 | 228 | struct tm6000_IR *ir = rc->priv; |
d064f960 SR |
229 | |
230 | cancel_delayed_work_sync(&ir->work); | |
231 | } | |
232 | ||
d8b4b582 | 233 | int tm6000_ir_change_protocol(struct rc_dev *rc, u64 ir_type) |
d064f960 | 234 | { |
d8b4b582 | 235 | struct tm6000_IR *ir = rc->priv; |
d064f960 SR |
236 | |
237 | ir->get_key = default_polling_getkey; | |
238 | ||
239 | tm6000_ir_config(ir); | |
240 | /* TODO */ | |
241 | return 0; | |
242 | } | |
243 | ||
244 | int tm6000_ir_init(struct tm6000_core *dev) | |
245 | { | |
246 | struct tm6000_IR *ir; | |
d8b4b582 | 247 | struct rc_dev *rc; |
d064f960 | 248 | int err = -ENOMEM; |
d8b4b582 | 249 | int pipe, size; |
d064f960 SR |
250 | |
251 | if (!enable_ir) | |
252 | return -ENODEV; | |
253 | ||
254 | if (!dev->caps.has_remote) | |
255 | return 0; | |
256 | ||
257 | if (!dev->ir_codes) | |
258 | return 0; | |
259 | ||
260 | ir = kzalloc(sizeof(*ir), GFP_KERNEL); | |
d8b4b582 DH |
261 | rc = rc_allocate_device(); |
262 | if (!ir | !rc) | |
263 | goto out; | |
d064f960 SR |
264 | |
265 | /* record handles to ourself */ | |
266 | ir->dev = dev; | |
267 | dev->ir = ir; | |
d8b4b582 | 268 | ir->rc = rc; |
d064f960 SR |
269 | |
270 | /* input einrichten */ | |
d8b4b582 DH |
271 | rc->allowed_protos = IR_TYPE_RC5 | IR_TYPE_NEC; |
272 | rc->priv = ir; | |
273 | rc->change_protocol = tm6000_ir_change_protocol; | |
274 | rc->open = tm6000_ir_start; | |
275 | rc->close = tm6000_ir_stop; | |
276 | rc->driver_type = RC_DRIVER_SCANCODE; | |
d064f960 SR |
277 | |
278 | ir->polling = 50; | |
279 | ||
280 | snprintf(ir->name, sizeof(ir->name), "tm5600/60x0 IR (%s)", | |
281 | dev->name); | |
282 | ||
283 | usb_make_path(dev->udev, ir->phys, sizeof(ir->phys)); | |
284 | strlcat(ir->phys, "/input0", sizeof(ir->phys)); | |
285 | ||
d8b4b582 | 286 | tm6000_ir_change_protocol(rc, IR_TYPE_UNKNOWN); |
d064f960 | 287 | |
d8b4b582 DH |
288 | rc->input_name = ir->name; |
289 | rc->input_phys = ir->phys; | |
290 | rc->input_id.bustype = BUS_USB; | |
291 | rc->input_id.version = 1; | |
292 | rc->input_id.vendor = le16_to_cpu(dev->udev->descriptor.idVendor); | |
293 | rc->input_id.product = le16_to_cpu(dev->udev->descriptor.idProduct); | |
294 | rc->map_name = dev->ir_codes; | |
295 | rc->driver_name = "tm6000"; | |
296 | rc->dev.parent = &dev->udev->dev; | |
d064f960 SR |
297 | |
298 | if (&dev->int_in) { | |
299 | dprintk("IR over int\n"); | |
300 | ||
301 | ir->int_urb = usb_alloc_urb(0, GFP_KERNEL); | |
302 | ||
303 | pipe = usb_rcvintpipe(dev->udev, | |
304 | dev->int_in.endp->desc.bEndpointAddress | |
305 | & USB_ENDPOINT_NUMBER_MASK); | |
306 | ||
307 | size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); | |
308 | dprintk("IR max size: %d\n", size); | |
309 | ||
310 | ir->int_urb->transfer_buffer = kzalloc(size, GFP_KERNEL); | |
311 | if (ir->int_urb->transfer_buffer == NULL) { | |
312 | usb_free_urb(ir->int_urb); | |
d8b4b582 | 313 | goto out; |
d064f960 SR |
314 | } |
315 | dprintk("int interval: %d\n", dev->int_in.endp->desc.bInterval); | |
316 | usb_fill_int_urb(ir->int_urb, dev->udev, pipe, | |
317 | ir->int_urb->transfer_buffer, size, | |
318 | tm6000_ir_urb_received, dev, | |
319 | dev->int_in.endp->desc.bInterval); | |
d8b4b582 DH |
320 | err = usb_submit_urb(ir->int_urb, GFP_KERNEL); |
321 | if (err) { | |
d064f960 SR |
322 | kfree(ir->int_urb->transfer_buffer); |
323 | usb_free_urb(ir->int_urb); | |
d8b4b582 | 324 | goto out; |
d064f960 SR |
325 | } |
326 | ir->urb_data = kzalloc(size, GFP_KERNEL); | |
327 | } | |
328 | ||
329 | /* ir register */ | |
d8b4b582 | 330 | err = rc_register_device(rc); |
d064f960 | 331 | if (err) |
d8b4b582 | 332 | goto out; |
d064f960 SR |
333 | |
334 | return 0; | |
335 | ||
d8b4b582 | 336 | out: |
d064f960 | 337 | dev->ir = NULL; |
d8b4b582 | 338 | rc_free_device(rc); |
d064f960 SR |
339 | kfree(ir); |
340 | return err; | |
341 | } | |
342 | ||
343 | int tm6000_ir_fini(struct tm6000_core *dev) | |
344 | { | |
345 | struct tm6000_IR *ir = dev->ir; | |
346 | ||
347 | /* skip detach on non attached board */ | |
348 | ||
349 | if (!ir) | |
350 | return 0; | |
351 | ||
d8b4b582 | 352 | rc_unregister_device(ir->rc); |
d064f960 SR |
353 | |
354 | if (ir->int_urb) { | |
355 | usb_kill_urb(ir->int_urb); | |
356 | kfree(ir->int_urb->transfer_buffer); | |
357 | usb_free_urb(ir->int_urb); | |
358 | ir->int_urb = NULL; | |
359 | kfree(ir->urb_data); | |
360 | ir->urb_data = NULL; | |
361 | } | |
362 | ||
d064f960 SR |
363 | kfree(ir); |
364 | dev->ir = NULL; | |
365 | ||
366 | return 0; | |
367 | } |