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Commit | Line | Data |
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e0d3bafd | 1 | /* |
b9255176 SD |
2 | cx231xx-core.c - driver for Conexant Cx23100/101/102 |
3 | USB video capture devices | |
e0d3bafd SD |
4 | |
5 | Copyright (C) 2008 <srinivasa.deevi at conexant dot com> | |
b9255176 | 6 | Based on em28xx driver |
e0d3bafd SD |
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 program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | */ | |
22 | ||
23 | #include <linux/init.h> | |
24 | #include <linux/list.h> | |
25 | #include <linux/module.h> | |
5a0e3ad6 | 26 | #include <linux/slab.h> |
e0d3bafd SD |
27 | #include <linux/usb.h> |
28 | #include <linux/vmalloc.h> | |
29 | #include <media/v4l2-common.h> | |
64fbf444 | 30 | #include <media/tuner.h> |
e0d3bafd SD |
31 | |
32 | #include "cx231xx.h" | |
33 | #include "cx231xx-reg.h" | |
34 | ||
35 | /* #define ENABLE_DEBUG_ISOC_FRAMES */ | |
36 | ||
37 | static unsigned int core_debug; | |
84b5dbf3 MCC |
38 | module_param(core_debug, int, 0644); |
39 | MODULE_PARM_DESC(core_debug, "enable debug messages [core]"); | |
e0d3bafd SD |
40 | |
41 | #define cx231xx_coredbg(fmt, arg...) do {\ | |
42 | if (core_debug) \ | |
43 | printk(KERN_INFO "%s %s :"fmt, \ | |
44 | dev->name, __func__ , ##arg); } while (0) | |
45 | ||
46 | static unsigned int reg_debug; | |
84b5dbf3 MCC |
47 | module_param(reg_debug, int, 0644); |
48 | MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]"); | |
e0d3bafd SD |
49 | |
50 | #define cx231xx_regdbg(fmt, arg...) do {\ | |
51 | if (reg_debug) \ | |
52 | printk(KERN_INFO "%s %s :"fmt, \ | |
53 | dev->name, __func__ , ##arg); } while (0) | |
54 | ||
55 | static int alt = CX231XX_PINOUT; | |
56 | module_param(alt, int, 0644); | |
57 | MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint"); | |
58 | ||
e0d3bafd SD |
59 | #define cx231xx_isocdbg(fmt, arg...) do {\ |
60 | if (core_debug) \ | |
61 | printk(KERN_INFO "%s %s :"fmt, \ | |
62 | dev->name, __func__ , ##arg); } while (0) | |
63 | ||
b9255176 SD |
64 | /***************************************************************** |
65 | * Device control list functions * | |
66 | ******************************************************************/ | |
e0d3bafd | 67 | |
64fbf444 | 68 | LIST_HEAD(cx231xx_devlist); |
e0d3bafd SD |
69 | static DEFINE_MUTEX(cx231xx_devlist_mutex); |
70 | ||
e0d3bafd SD |
71 | /* |
72 | * cx231xx_realease_resources() | |
73 | * unregisters the v4l2,i2c and usb devices | |
74 | * called when the device gets disconected or at module unload | |
75 | */ | |
76 | void cx231xx_remove_from_devlist(struct cx231xx *dev) | |
77 | { | |
64fbf444 PB |
78 | if (dev == NULL) |
79 | return; | |
80 | if (dev->udev == NULL) | |
81 | return; | |
82 | ||
83 | if (atomic_read(&dev->devlist_count) > 0) { | |
84 | mutex_lock(&cx231xx_devlist_mutex); | |
85 | list_del(&dev->devlist); | |
86 | atomic_dec(&dev->devlist_count); | |
87 | mutex_unlock(&cx231xx_devlist_mutex); | |
88 | } | |
e0d3bafd SD |
89 | }; |
90 | ||
91 | void cx231xx_add_into_devlist(struct cx231xx *dev) | |
92 | { | |
93 | mutex_lock(&cx231xx_devlist_mutex); | |
94 | list_add_tail(&dev->devlist, &cx231xx_devlist); | |
64fbf444 | 95 | atomic_inc(&dev->devlist_count); |
e0d3bafd SD |
96 | mutex_unlock(&cx231xx_devlist_mutex); |
97 | }; | |
98 | ||
e0d3bafd SD |
99 | static LIST_HEAD(cx231xx_extension_devlist); |
100 | static DEFINE_MUTEX(cx231xx_extension_devlist_lock); | |
101 | ||
102 | int cx231xx_register_extension(struct cx231xx_ops *ops) | |
103 | { | |
104 | struct cx231xx *dev = NULL; | |
105 | ||
106 | mutex_lock(&cx231xx_devlist_mutex); | |
107 | mutex_lock(&cx231xx_extension_devlist_lock); | |
108 | list_add_tail(&ops->next, &cx231xx_extension_devlist); | |
a9fac6b1 DC |
109 | list_for_each_entry(dev, &cx231xx_devlist, devlist) |
110 | ops->init(dev); | |
111 | ||
4be1ad36 | 112 | printk(KERN_INFO DRIVER_NAME ": %s initialized\n", ops->name); |
e0d3bafd SD |
113 | mutex_unlock(&cx231xx_extension_devlist_lock); |
114 | mutex_unlock(&cx231xx_devlist_mutex); | |
115 | return 0; | |
116 | } | |
117 | EXPORT_SYMBOL(cx231xx_register_extension); | |
118 | ||
119 | void cx231xx_unregister_extension(struct cx231xx_ops *ops) | |
120 | { | |
121 | struct cx231xx *dev = NULL; | |
122 | ||
123 | mutex_lock(&cx231xx_devlist_mutex); | |
a9fac6b1 DC |
124 | list_for_each_entry(dev, &cx231xx_devlist, devlist) |
125 | ops->fini(dev); | |
e0d3bafd | 126 | |
64fbf444 | 127 | |
e0d3bafd | 128 | mutex_lock(&cx231xx_extension_devlist_lock); |
4be1ad36 | 129 | printk(KERN_INFO DRIVER_NAME ": %s removed\n", ops->name); |
e0d3bafd SD |
130 | list_del(&ops->next); |
131 | mutex_unlock(&cx231xx_extension_devlist_lock); | |
132 | mutex_unlock(&cx231xx_devlist_mutex); | |
133 | } | |
84b5dbf3 | 134 | EXPORT_SYMBOL(cx231xx_unregister_extension); |
e0d3bafd SD |
135 | |
136 | void cx231xx_init_extension(struct cx231xx *dev) | |
137 | { | |
138 | struct cx231xx_ops *ops = NULL; | |
139 | ||
140 | mutex_lock(&cx231xx_extension_devlist_lock); | |
141 | if (!list_empty(&cx231xx_extension_devlist)) { | |
142 | list_for_each_entry(ops, &cx231xx_extension_devlist, next) { | |
143 | if (ops->init) | |
144 | ops->init(dev); | |
145 | } | |
146 | } | |
147 | mutex_unlock(&cx231xx_extension_devlist_lock); | |
148 | } | |
149 | ||
150 | void cx231xx_close_extension(struct cx231xx *dev) | |
151 | { | |
152 | struct cx231xx_ops *ops = NULL; | |
153 | ||
154 | mutex_lock(&cx231xx_extension_devlist_lock); | |
155 | if (!list_empty(&cx231xx_extension_devlist)) { | |
156 | list_for_each_entry(ops, &cx231xx_extension_devlist, next) { | |
157 | if (ops->fini) | |
158 | ops->fini(dev); | |
159 | } | |
160 | } | |
161 | mutex_unlock(&cx231xx_extension_devlist_lock); | |
162 | } | |
163 | ||
b9255176 SD |
164 | /**************************************************************** |
165 | * U S B related functions * | |
166 | *****************************************************************/ | |
e0d3bafd | 167 | int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus, |
84b5dbf3 | 168 | struct cx231xx_i2c_xfer_data *req_data) |
e0d3bafd | 169 | { |
84b5dbf3 MCC |
170 | int status = 0; |
171 | struct cx231xx *dev = i2c_bus->dev; | |
b9255176 | 172 | struct VENDOR_REQUEST_IN ven_req; |
84b5dbf3 MCC |
173 | |
174 | u8 saddr_len = 0; | |
175 | u8 _i2c_period = 0; | |
176 | u8 _i2c_nostop = 0; | |
177 | u8 _i2c_reserve = 0; | |
178 | ||
179 | /* Get the I2C period, nostop and reserve parameters */ | |
180 | _i2c_period = i2c_bus->i2c_period; | |
181 | _i2c_nostop = i2c_bus->i2c_nostop; | |
182 | _i2c_reserve = i2c_bus->i2c_reserve; | |
183 | ||
184 | saddr_len = req_data->saddr_len; | |
185 | ||
186 | /* Set wValue */ | |
187 | if (saddr_len == 1) /* need check saddr_len == 0 */ | |
188 | ven_req.wValue = | |
189 | req_data-> | |
190 | dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 | | |
191 | _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6; | |
192 | else | |
193 | ven_req.wValue = | |
194 | req_data-> | |
195 | dev_addr << 9 | _i2c_period << 4 | saddr_len << 2 | | |
196 | _i2c_nostop << 1 | I2C_SYNC | _i2c_reserve << 6; | |
197 | ||
198 | /* set channel number */ | |
b9255176 SD |
199 | if (req_data->direction & I2C_M_RD) { |
200 | /* channel number, for read,spec required channel_num +4 */ | |
201 | ven_req.bRequest = i2c_bus->nr + 4; | |
202 | } else | |
84b5dbf3 MCC |
203 | ven_req.bRequest = i2c_bus->nr; /* channel number, */ |
204 | ||
205 | /* set index value */ | |
206 | switch (saddr_len) { | |
207 | case 0: | |
208 | ven_req.wIndex = 0; /* need check */ | |
209 | break; | |
210 | case 1: | |
211 | ven_req.wIndex = (req_data->saddr_dat & 0xff); | |
212 | break; | |
213 | case 2: | |
214 | ven_req.wIndex = req_data->saddr_dat; | |
215 | break; | |
216 | } | |
217 | ||
218 | /* set wLength value */ | |
219 | ven_req.wLength = req_data->buf_size; | |
220 | ||
221 | /* set bData value */ | |
222 | ven_req.bData = 0; | |
223 | ||
224 | /* set the direction */ | |
225 | if (req_data->direction) { | |
226 | ven_req.direction = USB_DIR_IN; | |
227 | memset(req_data->p_buffer, 0x00, ven_req.wLength); | |
228 | } else | |
229 | ven_req.direction = USB_DIR_OUT; | |
230 | ||
231 | /* set the buffer for read / write */ | |
232 | ven_req.pBuff = req_data->p_buffer; | |
233 | ||
234 | ||
235 | /* call common vendor command request */ | |
236 | status = cx231xx_send_vendor_cmd(dev, &ven_req); | |
237 | if (status < 0) { | |
238 | cx231xx_info | |
b9255176 | 239 | ("UsbInterface::sendCommand, failed with status -%d\n", |
84b5dbf3 MCC |
240 | status); |
241 | } | |
242 | ||
243 | return status; | |
e0d3bafd | 244 | } |
e0d3bafd | 245 | EXPORT_SYMBOL_GPL(cx231xx_send_usb_command); |
b9255176 | 246 | |
e0d3bafd SD |
247 | /* |
248 | * cx231xx_read_ctrl_reg() | |
249 | * reads data from the usb device specifying bRequest and wValue | |
250 | */ | |
251 | int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, | |
84b5dbf3 | 252 | char *buf, int len) |
e0d3bafd | 253 | { |
84b5dbf3 | 254 | u8 val = 0; |
e0d3bafd SD |
255 | int ret; |
256 | int pipe = usb_rcvctrlpipe(dev->udev, 0); | |
257 | ||
258 | if (dev->state & DEV_DISCONNECTED) | |
259 | return -ENODEV; | |
260 | ||
261 | if (len > URB_MAX_CTRL_SIZE) | |
262 | return -EINVAL; | |
263 | ||
84b5dbf3 MCC |
264 | switch (len) { |
265 | case 1: | |
266 | val = ENABLE_ONE_BYTE; | |
267 | break; | |
268 | case 2: | |
269 | val = ENABLE_TWE_BYTE; | |
270 | break; | |
271 | case 3: | |
272 | val = ENABLE_THREE_BYTE; | |
273 | break; | |
274 | case 4: | |
275 | val = ENABLE_FOUR_BYTE; | |
276 | break; | |
277 | default: | |
278 | val = 0xFF; /* invalid option */ | |
279 | } | |
280 | ||
281 | if (val == 0xFF) | |
282 | return -EINVAL; | |
e0d3bafd SD |
283 | |
284 | if (reg_debug) { | |
285 | cx231xx_isocdbg("(pipe 0x%08x): " | |
84b5dbf3 MCC |
286 | "IN: %02x %02x %02x %02x %02x %02x %02x %02x ", |
287 | pipe, | |
288 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
289 | req, 0, val, | |
290 | reg & 0xff, reg >> 8, len & 0xff, len >> 8); | |
e0d3bafd SD |
291 | } |
292 | ||
6e4f574b | 293 | mutex_lock(&dev->ctrl_urb_lock); |
e0d3bafd SD |
294 | ret = usb_control_msg(dev->udev, pipe, req, |
295 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
296 | val, reg, dev->urb_buf, len, HZ); | |
297 | if (ret < 0) { | |
298 | cx231xx_isocdbg(" failed!\n"); | |
64fbf444 | 299 | mutex_unlock(&dev->ctrl_urb_lock); |
e0d3bafd SD |
300 | return ret; |
301 | } | |
302 | ||
303 | if (len) | |
304 | memcpy(buf, dev->urb_buf, len); | |
305 | ||
6e4f574b | 306 | mutex_unlock(&dev->ctrl_urb_lock); |
e0d3bafd SD |
307 | |
308 | if (reg_debug) { | |
309 | int byte; | |
310 | ||
311 | cx231xx_isocdbg("<<<"); | |
312 | for (byte = 0; byte < len; byte++) | |
313 | cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]); | |
314 | cx231xx_isocdbg("\n"); | |
315 | } | |
316 | ||
317 | return ret; | |
318 | } | |
319 | ||
b9255176 SD |
320 | int cx231xx_send_vendor_cmd(struct cx231xx *dev, |
321 | struct VENDOR_REQUEST_IN *ven_req) | |
e0d3bafd | 322 | { |
84b5dbf3 | 323 | int ret; |
e0d3bafd | 324 | int pipe = 0; |
64fbf444 PB |
325 | int unsend_size = 0; |
326 | u8 *pdata; | |
e0d3bafd SD |
327 | |
328 | if (dev->state & DEV_DISCONNECTED) | |
329 | return -ENODEV; | |
330 | ||
331 | if ((ven_req->wLength > URB_MAX_CTRL_SIZE)) | |
332 | return -EINVAL; | |
333 | ||
84b5dbf3 MCC |
334 | if (ven_req->direction) |
335 | pipe = usb_rcvctrlpipe(dev->udev, 0); | |
336 | else | |
337 | pipe = usb_sndctrlpipe(dev->udev, 0); | |
e0d3bafd SD |
338 | |
339 | if (reg_debug) { | |
340 | int byte; | |
341 | ||
342 | cx231xx_isocdbg("(pipe 0x%08x): " | |
84b5dbf3 MCC |
343 | "OUT: %02x %02x %02x %04x %04x %04x >>>", |
344 | pipe, | |
345 | ven_req-> | |
346 | direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
347 | ven_req->bRequest, 0, ven_req->wValue, | |
348 | ven_req->wIndex, ven_req->wLength); | |
e0d3bafd SD |
349 | |
350 | for (byte = 0; byte < ven_req->wLength; byte++) | |
84b5dbf3 MCC |
351 | cx231xx_isocdbg(" %02x", |
352 | (unsigned char)ven_req->pBuff[byte]); | |
e0d3bafd SD |
353 | cx231xx_isocdbg("\n"); |
354 | } | |
355 | ||
64fbf444 PB |
356 | |
357 | /* | |
358 | If the cx23102 read more than 4 bytes with i2c bus, | |
359 | need chop to 4 byte per request | |
360 | */ | |
361 | if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) || | |
362 | (ven_req->bRequest == 0x5) || | |
363 | (ven_req->bRequest == 0x6))) { | |
364 | unsend_size = 0; | |
365 | pdata = ven_req->pBuff; | |
366 | ||
367 | ||
368 | unsend_size = ven_req->wLength; | |
369 | ||
370 | mutex_lock(&dev->ctrl_urb_lock); | |
371 | /* the first package*/ | |
372 | ven_req->wValue = ven_req->wValue & 0xFFFB; | |
373 | ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2; | |
374 | /*printk(KERN_INFO " !!!!! 0x%x 0x%x 0x%x 0x%x \n", | |
375 | ven_req->bRequest, | |
376 | ven_req->direction | USB_TYPE_VENDOR | | |
377 | USB_RECIP_DEVICE,ven_req->wValue,ven_req->wIndex);*/ | |
378 | ret = usb_control_msg(dev->udev, pipe, ven_req->bRequest, | |
379 | ven_req-> | |
380 | direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
381 | ven_req->wValue, ven_req->wIndex, pdata, | |
382 | 0x0004, HZ); | |
383 | unsend_size = unsend_size - 4; | |
384 | mutex_unlock(&dev->ctrl_urb_lock); | |
385 | ||
386 | /* the middle package*/ | |
387 | ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42; | |
388 | while (unsend_size - 4 > 0) { | |
389 | pdata = pdata + 4; | |
390 | /*printk(KERN_INFO " !!!!! 0x%x 0x%x 0x%x 0x%x \n", | |
391 | ven_req->bRequest, | |
392 | ven_req->direction | USB_TYPE_VENDOR | | |
393 | USB_RECIP_DEVICE, | |
394 | ven_req->wValue,ven_req->wIndex);*/ | |
395 | mutex_lock(&dev->ctrl_urb_lock); | |
396 | ret = usb_control_msg(dev->udev, pipe, | |
397 | ven_req->bRequest, | |
398 | ven_req-> | |
399 | direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
400 | ven_req->wValue, ven_req->wIndex, pdata, | |
401 | 0x0004, HZ); | |
402 | mutex_unlock(&dev->ctrl_urb_lock); | |
403 | unsend_size = unsend_size - 4; | |
404 | } | |
405 | ||
406 | ||
407 | /* the last package*/ | |
408 | ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40; | |
409 | pdata = pdata + 4; | |
410 | /*printk(KERN_INFO " !!!!! 0x%x 0x%x 0x%x 0x%x \n", | |
411 | ven_req->bRequest, | |
412 | ven_req->direction | USB_TYPE_VENDOR | | |
413 | USB_RECIP_DEVICE,ven_req->wValue,ven_req->wIndex);*/ | |
414 | mutex_lock(&dev->ctrl_urb_lock); | |
415 | ret = usb_control_msg(dev->udev, pipe, ven_req->bRequest, | |
416 | ven_req-> | |
417 | direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
418 | ven_req->wValue, ven_req->wIndex, pdata, | |
419 | unsend_size, HZ); | |
420 | mutex_unlock(&dev->ctrl_urb_lock); | |
421 | /*printk(KERN_INFO " @@@@@ temp_buffer[0]=0x%x 0x%x 0x%x 0x%x | |
422 | 0x%x 0x%x\n",ven_req->pBuff[0],ven_req->pBuff[1], | |
423 | ven_req->pBuff[2], ven_req->pBuff[3],ven_req->pBuff[4], | |
424 | ven_req->pBuff[5]);*/ | |
425 | ||
426 | } else { | |
427 | mutex_lock(&dev->ctrl_urb_lock); | |
428 | ret = usb_control_msg(dev->udev, pipe, ven_req->bRequest, | |
429 | ven_req-> | |
430 | direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
431 | ven_req->wValue, ven_req->wIndex, | |
432 | ven_req->pBuff, ven_req->wLength, HZ); | |
433 | mutex_unlock(&dev->ctrl_urb_lock); | |
434 | ||
435 | } | |
e0d3bafd SD |
436 | |
437 | return ret; | |
438 | } | |
439 | ||
440 | /* | |
441 | * cx231xx_write_ctrl_reg() | |
442 | * sends data to the usb device, specifying bRequest | |
443 | */ | |
444 | int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf, | |
84b5dbf3 | 445 | int len) |
e0d3bafd | 446 | { |
84b5dbf3 | 447 | u8 val = 0; |
e0d3bafd SD |
448 | int ret; |
449 | int pipe = usb_sndctrlpipe(dev->udev, 0); | |
450 | ||
451 | if (dev->state & DEV_DISCONNECTED) | |
452 | return -ENODEV; | |
453 | ||
454 | if ((len < 1) || (len > URB_MAX_CTRL_SIZE)) | |
455 | return -EINVAL; | |
456 | ||
84b5dbf3 MCC |
457 | switch (len) { |
458 | case 1: | |
459 | val = ENABLE_ONE_BYTE; | |
460 | break; | |
461 | case 2: | |
462 | val = ENABLE_TWE_BYTE; | |
463 | break; | |
464 | case 3: | |
465 | val = ENABLE_THREE_BYTE; | |
466 | break; | |
467 | case 4: | |
468 | val = ENABLE_FOUR_BYTE; | |
469 | break; | |
470 | default: | |
471 | val = 0xFF; /* invalid option */ | |
472 | } | |
473 | ||
474 | if (val == 0xFF) | |
475 | return -EINVAL; | |
e0d3bafd SD |
476 | |
477 | if (reg_debug) { | |
478 | int byte; | |
479 | ||
480 | cx231xx_isocdbg("(pipe 0x%08x): " | |
b9255176 SD |
481 | "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>", |
482 | pipe, | |
483 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
484 | req, 0, val, reg & 0xff, | |
485 | reg >> 8, len & 0xff, len >> 8); | |
e0d3bafd SD |
486 | |
487 | for (byte = 0; byte < len; byte++) | |
488 | cx231xx_isocdbg(" %02x", (unsigned char)buf[byte]); | |
489 | cx231xx_isocdbg("\n"); | |
490 | } | |
491 | ||
6e4f574b | 492 | mutex_lock(&dev->ctrl_urb_lock); |
e0d3bafd SD |
493 | memcpy(dev->urb_buf, buf, len); |
494 | ret = usb_control_msg(dev->udev, pipe, req, | |
495 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
496 | val, reg, dev->urb_buf, len, HZ); | |
6e4f574b | 497 | mutex_unlock(&dev->ctrl_urb_lock); |
e0d3bafd SD |
498 | |
499 | return ret; | |
500 | } | |
501 | ||
b9255176 SD |
502 | /**************************************************************** |
503 | * USB Alternate Setting functions * | |
504 | *****************************************************************/ | |
e0d3bafd SD |
505 | |
506 | int cx231xx_set_video_alternate(struct cx231xx *dev) | |
507 | { | |
508 | int errCode, prev_alt = dev->video_mode.alt; | |
509 | unsigned int min_pkt_size = dev->width * 2 + 4; | |
84b5dbf3 | 510 | u32 usb_interface_index = 0; |
e0d3bafd SD |
511 | |
512 | /* When image size is bigger than a certain value, | |
513 | the frame size should be increased, otherwise, only | |
514 | green screen will be received. | |
515 | */ | |
516 | if (dev->width * 2 * dev->height > 720 * 240 * 2) | |
517 | min_pkt_size *= 2; | |
518 | ||
84b5dbf3 MCC |
519 | if (dev->width > 360) { |
520 | /* resolutions: 720,704,640 */ | |
521 | dev->video_mode.alt = 3; | |
522 | } else if (dev->width > 180) { | |
523 | /* resolutions: 360,352,320,240 */ | |
524 | dev->video_mode.alt = 2; | |
525 | } else if (dev->width > 0) { | |
526 | /* resolutions: 180,176,160,128,88 */ | |
527 | dev->video_mode.alt = 1; | |
528 | } else { | |
529 | /* Change to alt0 BULK to release USB bandwidth */ | |
530 | dev->video_mode.alt = 0; | |
531 | } | |
532 | ||
64fbf444 PB |
533 | if (dev->USE_ISO == 0) |
534 | dev->video_mode.alt = 0; | |
535 | ||
536 | cx231xx_info("dev->video_mode.alt= %d\n", dev->video_mode.alt); | |
537 | ||
84b5dbf3 MCC |
538 | /* Get the correct video interface Index */ |
539 | usb_interface_index = | |
540 | dev->current_pcb_config.hs_config_info[0].interface_info. | |
541 | video_index + 1; | |
e0d3bafd SD |
542 | |
543 | if (dev->video_mode.alt != prev_alt) { | |
544 | cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n", | |
545 | min_pkt_size, dev->video_mode.alt); | |
64fbf444 PB |
546 | |
547 | if (dev->video_mode.alt_max_pkt_size != NULL) | |
548 | dev->video_mode.max_pkt_size = | |
549 | dev->video_mode.alt_max_pkt_size[dev->video_mode.alt]; | |
e0d3bafd | 550 | cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n", |
84b5dbf3 MCC |
551 | dev->video_mode.alt, |
552 | dev->video_mode.max_pkt_size); | |
553 | cx231xx_info | |
b9255176 | 554 | (" setting alt %d with wMaxPktSize=%u , Interface = %d\n", |
84b5dbf3 MCC |
555 | dev->video_mode.alt, dev->video_mode.max_pkt_size, |
556 | usb_interface_index); | |
557 | errCode = | |
558 | usb_set_interface(dev->udev, usb_interface_index, | |
559 | dev->video_mode.alt); | |
e0d3bafd | 560 | if (errCode < 0) { |
84b5dbf3 | 561 | cx231xx_errdev |
b9255176 | 562 | ("cannot change alt number to %d (error=%i)\n", |
84b5dbf3 | 563 | dev->video_mode.alt, errCode); |
e0d3bafd SD |
564 | return errCode; |
565 | } | |
566 | } | |
567 | return 0; | |
568 | } | |
569 | ||
570 | int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt) | |
571 | { | |
84b5dbf3 MCC |
572 | int status = 0; |
573 | u32 usb_interface_index = 0; | |
574 | u32 max_pkt_size = 0; | |
575 | ||
576 | switch (index) { | |
577 | case INDEX_TS1: | |
578 | usb_interface_index = | |
579 | dev->current_pcb_config.hs_config_info[0].interface_info. | |
580 | ts1_index + 1; | |
64fbf444 | 581 | dev->ts1_mode.alt = alt; |
84b5dbf3 MCC |
582 | if (dev->ts1_mode.alt_max_pkt_size != NULL) |
583 | max_pkt_size = dev->ts1_mode.max_pkt_size = | |
584 | dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt]; | |
585 | break; | |
586 | case INDEX_TS2: | |
587 | usb_interface_index = | |
588 | dev->current_pcb_config.hs_config_info[0].interface_info. | |
589 | ts2_index + 1; | |
590 | break; | |
591 | case INDEX_AUDIO: | |
592 | usb_interface_index = | |
593 | dev->current_pcb_config.hs_config_info[0].interface_info. | |
594 | audio_index + 1; | |
595 | dev->adev.alt = alt; | |
596 | if (dev->adev.alt_max_pkt_size != NULL) | |
597 | max_pkt_size = dev->adev.max_pkt_size = | |
598 | dev->adev.alt_max_pkt_size[dev->adev.alt]; | |
599 | break; | |
600 | case INDEX_VIDEO: | |
601 | usb_interface_index = | |
602 | dev->current_pcb_config.hs_config_info[0].interface_info. | |
603 | video_index + 1; | |
604 | dev->video_mode.alt = alt; | |
605 | if (dev->video_mode.alt_max_pkt_size != NULL) | |
606 | max_pkt_size = dev->video_mode.max_pkt_size = | |
607 | dev->video_mode.alt_max_pkt_size[dev->video_mode. | |
608 | alt]; | |
609 | break; | |
610 | case INDEX_VANC: | |
611 | usb_interface_index = | |
612 | dev->current_pcb_config.hs_config_info[0].interface_info. | |
613 | vanc_index + 1; | |
614 | dev->vbi_mode.alt = alt; | |
615 | if (dev->vbi_mode.alt_max_pkt_size != NULL) | |
616 | max_pkt_size = dev->vbi_mode.max_pkt_size = | |
617 | dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt]; | |
618 | break; | |
619 | case INDEX_HANC: | |
620 | usb_interface_index = | |
621 | dev->current_pcb_config.hs_config_info[0].interface_info. | |
622 | hanc_index + 1; | |
623 | dev->sliced_cc_mode.alt = alt; | |
624 | if (dev->sliced_cc_mode.alt_max_pkt_size != NULL) | |
625 | max_pkt_size = dev->sliced_cc_mode.max_pkt_size = | |
626 | dev->sliced_cc_mode.alt_max_pkt_size[dev-> | |
627 | sliced_cc_mode. | |
628 | alt]; | |
629 | break; | |
630 | default: | |
631 | break; | |
632 | } | |
633 | ||
634 | if (alt > 0 && max_pkt_size == 0) { | |
635 | cx231xx_errdev | |
b9255176 SD |
636 | ("can't change interface %d alt no. to %d: Max. Pkt size = 0\n", |
637 | usb_interface_index, alt); | |
64fbf444 PB |
638 | /*To workaround error number=-71 on EP0 for videograbber, |
639 | need add following codes.*/ | |
640 | if (dev->model != CX231XX_BOARD_CNXT_VIDEO_GRABBER) | |
641 | return -1; | |
84b5dbf3 MCC |
642 | } |
643 | ||
644 | cx231xx_info | |
645 | (" setting alternate %d with wMaxPacketSize=%u , Interface = %d\n", | |
646 | alt, max_pkt_size, usb_interface_index); | |
647 | ||
648 | if (usb_interface_index > 0) { | |
649 | status = usb_set_interface(dev->udev, usb_interface_index, alt); | |
e0d3bafd | 650 | if (status < 0) { |
84b5dbf3 | 651 | cx231xx_errdev |
b9255176 SD |
652 | ("can't change interface %d alt no. to %d (err=%i)\n", |
653 | usb_interface_index, alt, status); | |
e0d3bafd SD |
654 | return status; |
655 | } | |
84b5dbf3 | 656 | } |
e0d3bafd | 657 | |
84b5dbf3 | 658 | return status; |
e0d3bafd SD |
659 | } |
660 | EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting); | |
661 | ||
662 | int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio) | |
663 | { | |
664 | int rc = 0; | |
665 | ||
666 | if (!gpio) | |
667 | return rc; | |
668 | ||
669 | /* Send GPIO reset sequences specified at board entry */ | |
670 | while (gpio->sleep >= 0) { | |
84b5dbf3 MCC |
671 | rc = cx231xx_set_gpio_value(dev, gpio->bit, gpio->val); |
672 | if (rc < 0) | |
673 | return rc; | |
e0d3bafd SD |
674 | |
675 | if (gpio->sleep > 0) | |
676 | msleep(gpio->sleep); | |
677 | ||
678 | gpio++; | |
679 | } | |
680 | return rc; | |
681 | } | |
682 | ||
64fbf444 PB |
683 | int cx231xx_demod_reset(struct cx231xx *dev) |
684 | { | |
685 | ||
686 | u8 status = 0; | |
687 | u8 value[4] = { 0, 0, 0, 0 }; | |
688 | ||
689 | status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, | |
690 | value, 4); | |
691 | cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, value[0], | |
692 | value[1], value[2], value[3]); | |
693 | ||
694 | cx231xx_info("Enter cx231xx_demod_reset()\n"); | |
695 | value[1] = (u8) 0x3; | |
696 | status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, | |
697 | PWR_CTL_EN, value, 4); | |
698 | msleep(10); | |
699 | ||
700 | value[1] = (u8) 0x0; | |
701 | status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, | |
702 | PWR_CTL_EN, value, 4); | |
703 | msleep(10); | |
704 | ||
705 | value[1] = (u8) 0x3; | |
706 | status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, | |
707 | PWR_CTL_EN, value, 4); | |
708 | msleep(10); | |
709 | ||
710 | ||
711 | ||
712 | status = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, PWR_CTL_EN, | |
713 | value, 4); | |
714 | cx231xx_info("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN, value[0], | |
715 | value[1], value[2], value[3]); | |
716 | ||
717 | return status; | |
718 | } | |
719 | EXPORT_SYMBOL_GPL(cx231xx_demod_reset); | |
720 | int is_fw_load(struct cx231xx *dev) | |
721 | { | |
722 | return cx231xx_check_fw(dev); | |
723 | } | |
724 | EXPORT_SYMBOL_GPL(is_fw_load); | |
725 | ||
e0d3bafd SD |
726 | int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode) |
727 | { | |
64fbf444 PB |
728 | int errCode = 0; |
729 | ||
e0d3bafd SD |
730 | if (dev->mode == set_mode) |
731 | return 0; | |
732 | ||
733 | if (set_mode == CX231XX_SUSPEND) { | |
84b5dbf3 | 734 | /* Set the chip in power saving mode */ |
e0d3bafd SD |
735 | dev->mode = set_mode; |
736 | } | |
737 | ||
738 | /* Resource is locked */ | |
739 | if (dev->mode != CX231XX_SUSPEND) | |
740 | return -EINVAL; | |
741 | ||
742 | dev->mode = set_mode; | |
743 | ||
64fbf444 PB |
744 | if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ { |
745 | /* set AGC mode to Digital */ | |
746 | switch (dev->model) { | |
747 | case CX231XX_BOARD_CNXT_CARRAERA: | |
748 | case CX231XX_BOARD_CNXT_RDE_250: | |
749 | case CX231XX_BOARD_CNXT_SHELBY: | |
750 | case CX231XX_BOARD_CNXT_RDU_250: | |
751 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); | |
752 | break; | |
753 | case CX231XX_BOARD_CNXT_RDE_253S: | |
754 | case CX231XX_BOARD_CNXT_RDU_253S: | |
755 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); | |
756 | break; | |
757 | default: | |
758 | break; | |
759 | } | |
760 | } else/* Set Analog Power mode */ { | |
761 | /* set AGC mode to Analog */ | |
762 | switch (dev->model) { | |
763 | case CX231XX_BOARD_CNXT_CARRAERA: | |
764 | case CX231XX_BOARD_CNXT_RDE_250: | |
765 | case CX231XX_BOARD_CNXT_SHELBY: | |
766 | case CX231XX_BOARD_CNXT_RDU_250: | |
767 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); | |
768 | break; | |
769 | case CX231XX_BOARD_CNXT_RDE_253S: | |
770 | case CX231XX_BOARD_CNXT_RDU_253S: | |
771 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); | |
772 | break; | |
773 | default: | |
774 | break; | |
775 | } | |
776 | } | |
b9255176 | 777 | |
84b5dbf3 | 778 | return 0; |
e0d3bafd SD |
779 | } |
780 | EXPORT_SYMBOL_GPL(cx231xx_set_mode); | |
781 | ||
64fbf444 PB |
782 | int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size) |
783 | { | |
784 | int errCode = 0; | |
785 | int actlen, ret = -ENOMEM; | |
786 | u32 *buffer; | |
787 | ||
788 | buffer = kzalloc(4096, GFP_KERNEL); | |
789 | if (buffer == NULL) { | |
790 | cx231xx_info("out of mem\n"); | |
791 | return -ENOMEM; | |
792 | } | |
793 | memcpy(&buffer[0], firmware, 4096); | |
794 | ||
795 | ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5), | |
796 | buffer, 4096, &actlen, 2000); | |
797 | ||
798 | if (ret) | |
799 | cx231xx_info("bulk message failed: %d (%d/%d)", ret, | |
800 | size, actlen); | |
801 | else { | |
802 | errCode = actlen != size ? -1 : 0; | |
803 | } | |
804 | kfree(buffer); | |
805 | return 0; | |
806 | } | |
807 | ||
b9255176 SD |
808 | /***************************************************************** |
809 | * URB Streaming functions * | |
810 | ******************************************************************/ | |
e0d3bafd SD |
811 | |
812 | /* | |
813 | * IRQ callback, called by URB callback | |
814 | */ | |
64fbf444 | 815 | static void cx231xx_isoc_irq_callback(struct urb *urb) |
e0d3bafd | 816 | { |
84b5dbf3 MCC |
817 | struct cx231xx_dmaqueue *dma_q = urb->context; |
818 | struct cx231xx_video_mode *vmode = | |
819 | container_of(dma_q, struct cx231xx_video_mode, vidq); | |
820 | struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); | |
e0d3bafd SD |
821 | int rc, i; |
822 | ||
84b5dbf3 MCC |
823 | switch (urb->status) { |
824 | case 0: /* success */ | |
825 | case -ETIMEDOUT: /* NAK */ | |
826 | break; | |
827 | case -ECONNRESET: /* kill */ | |
828 | case -ENOENT: | |
829 | case -ESHUTDOWN: | |
830 | return; | |
831 | default: /* error */ | |
832 | cx231xx_isocdbg("urb completition error %d.\n", urb->status); | |
833 | break; | |
e0d3bafd SD |
834 | } |
835 | ||
836 | /* Copy data from URB */ | |
837 | spin_lock(&dev->video_mode.slock); | |
838 | rc = dev->video_mode.isoc_ctl.isoc_copy(dev, urb); | |
839 | spin_unlock(&dev->video_mode.slock); | |
840 | ||
841 | /* Reset urb buffers */ | |
842 | for (i = 0; i < urb->number_of_packets; i++) { | |
843 | urb->iso_frame_desc[i].status = 0; | |
844 | urb->iso_frame_desc[i].actual_length = 0; | |
845 | } | |
846 | urb->status = 0; | |
847 | ||
848 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); | |
849 | if (urb->status) { | |
850 | cx231xx_isocdbg("urb resubmit failed (error=%i)\n", | |
84b5dbf3 | 851 | urb->status); |
e0d3bafd SD |
852 | } |
853 | } | |
64fbf444 PB |
854 | /***************************************************************** |
855 | * URB Streaming functions * | |
856 | ******************************************************************/ | |
857 | ||
858 | /* | |
859 | * IRQ callback, called by URB callback | |
860 | */ | |
861 | static void cx231xx_bulk_irq_callback(struct urb *urb) | |
862 | { | |
863 | struct cx231xx_dmaqueue *dma_q = urb->context; | |
864 | struct cx231xx_video_mode *vmode = | |
865 | container_of(dma_q, struct cx231xx_video_mode, vidq); | |
866 | struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); | |
867 | int rc; | |
868 | ||
869 | switch (urb->status) { | |
870 | case 0: /* success */ | |
871 | case -ETIMEDOUT: /* NAK */ | |
872 | break; | |
873 | case -ECONNRESET: /* kill */ | |
874 | case -ENOENT: | |
875 | case -ESHUTDOWN: | |
876 | return; | |
877 | default: /* error */ | |
878 | cx231xx_isocdbg("urb completition error %d.\n", urb->status); | |
879 | break; | |
880 | } | |
881 | ||
882 | /* Copy data from URB */ | |
883 | spin_lock(&dev->video_mode.slock); | |
884 | rc = dev->video_mode.bulk_ctl.bulk_copy(dev, urb); | |
885 | spin_unlock(&dev->video_mode.slock); | |
e0d3bafd | 886 | |
64fbf444 PB |
887 | /* Reset urb buffers */ |
888 | urb->status = 0; | |
889 | ||
890 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); | |
891 | if (urb->status) { | |
892 | cx231xx_isocdbg("urb resubmit failed (error=%i)\n", | |
893 | urb->status); | |
894 | } | |
895 | } | |
e0d3bafd SD |
896 | /* |
897 | * Stop and Deallocate URBs | |
898 | */ | |
899 | void cx231xx_uninit_isoc(struct cx231xx *dev) | |
900 | { | |
64fbf444 | 901 | struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; |
e0d3bafd SD |
902 | struct urb *urb; |
903 | int i; | |
904 | ||
905 | cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n"); | |
906 | ||
907 | dev->video_mode.isoc_ctl.nfields = -1; | |
908 | for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { | |
909 | urb = dev->video_mode.isoc_ctl.urb[i]; | |
910 | if (urb) { | |
84b5dbf3 MCC |
911 | if (!irqs_disabled()) |
912 | usb_kill_urb(urb); | |
913 | else | |
914 | usb_unlink_urb(urb); | |
e0d3bafd SD |
915 | |
916 | if (dev->video_mode.isoc_ctl.transfer_buffer[i]) { | |
997ea58e DM |
917 | usb_free_coherent(dev->udev, |
918 | urb->transfer_buffer_length, | |
919 | dev->video_mode.isoc_ctl. | |
920 | transfer_buffer[i], | |
921 | urb->transfer_dma); | |
e0d3bafd SD |
922 | } |
923 | usb_free_urb(urb); | |
924 | dev->video_mode.isoc_ctl.urb[i] = NULL; | |
925 | } | |
926 | dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL; | |
927 | } | |
928 | ||
929 | kfree(dev->video_mode.isoc_ctl.urb); | |
930 | kfree(dev->video_mode.isoc_ctl.transfer_buffer); | |
64fbf444 | 931 | kfree(dma_q->p_left_data); |
e0d3bafd SD |
932 | |
933 | dev->video_mode.isoc_ctl.urb = NULL; | |
934 | dev->video_mode.isoc_ctl.transfer_buffer = NULL; | |
935 | dev->video_mode.isoc_ctl.num_bufs = 0; | |
64fbf444 PB |
936 | dma_q->p_left_data = NULL; |
937 | ||
938 | if (dev->mode_tv == 0) | |
939 | cx231xx_capture_start(dev, 0, Raw_Video); | |
940 | else | |
941 | cx231xx_capture_start(dev, 0, TS1_serial_mode); | |
942 | ||
e0d3bafd | 943 | |
e0d3bafd SD |
944 | } |
945 | EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc); | |
946 | ||
64fbf444 PB |
947 | /* |
948 | * Stop and Deallocate URBs | |
949 | */ | |
950 | void cx231xx_uninit_bulk(struct cx231xx *dev) | |
951 | { | |
952 | struct urb *urb; | |
953 | int i; | |
954 | ||
955 | cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n"); | |
956 | ||
957 | dev->video_mode.bulk_ctl.nfields = -1; | |
958 | for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { | |
959 | urb = dev->video_mode.bulk_ctl.urb[i]; | |
960 | if (urb) { | |
961 | if (!irqs_disabled()) | |
962 | usb_kill_urb(urb); | |
963 | else | |
964 | usb_unlink_urb(urb); | |
965 | ||
966 | if (dev->video_mode.bulk_ctl.transfer_buffer[i]) { | |
967 | usb_free_coherent(dev->udev, | |
968 | urb->transfer_buffer_length, | |
969 | dev->video_mode.isoc_ctl. | |
970 | transfer_buffer[i], | |
971 | urb->transfer_dma); | |
972 | } | |
973 | usb_free_urb(urb); | |
974 | dev->video_mode.bulk_ctl.urb[i] = NULL; | |
975 | } | |
976 | dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL; | |
977 | } | |
978 | ||
979 | kfree(dev->video_mode.bulk_ctl.urb); | |
980 | kfree(dev->video_mode.bulk_ctl.transfer_buffer); | |
981 | ||
982 | dev->video_mode.bulk_ctl.urb = NULL; | |
983 | dev->video_mode.bulk_ctl.transfer_buffer = NULL; | |
984 | dev->video_mode.bulk_ctl.num_bufs = 0; | |
985 | ||
986 | if (dev->mode_tv == 0) | |
987 | cx231xx_capture_start(dev, 0, Raw_Video); | |
988 | else | |
989 | cx231xx_capture_start(dev, 0, TS1_serial_mode); | |
990 | ||
991 | ||
992 | } | |
993 | EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk); | |
994 | ||
e0d3bafd SD |
995 | /* |
996 | * Allocate URBs and start IRQ | |
997 | */ | |
998 | int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, | |
84b5dbf3 | 999 | int num_bufs, int max_pkt_size, |
b9255176 | 1000 | int (*isoc_copy) (struct cx231xx *dev, struct urb *urb)) |
e0d3bafd SD |
1001 | { |
1002 | struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; | |
1003 | int i; | |
1004 | int sb_size, pipe; | |
1005 | struct urb *urb; | |
1006 | int j, k; | |
1007 | int rc; | |
1008 | ||
84b5dbf3 | 1009 | dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; |
e0d3bafd | 1010 | |
84b5dbf3 MCC |
1011 | cx231xx_info("Setting Video mux to %d\n", dev->video_input); |
1012 | video_mux(dev, dev->video_input); | |
e0d3bafd SD |
1013 | |
1014 | /* De-allocates all pending stuff */ | |
1015 | cx231xx_uninit_isoc(dev); | |
1016 | ||
64fbf444 PB |
1017 | dma_q->p_left_data = kzalloc(4096, GFP_KERNEL); |
1018 | if (dma_q->p_left_data == NULL) { | |
1019 | cx231xx_info("out of mem\n"); | |
1020 | return -ENOMEM; | |
1021 | } | |
1022 | ||
1023 | ||
1024 | ||
e0d3bafd SD |
1025 | dev->video_mode.isoc_ctl.isoc_copy = isoc_copy; |
1026 | dev->video_mode.isoc_ctl.num_bufs = num_bufs; | |
84b5dbf3 MCC |
1027 | dma_q->pos = 0; |
1028 | dma_q->is_partial_line = 0; | |
1029 | dma_q->last_sav = 0; | |
1030 | dma_q->current_field = -1; | |
1031 | dma_q->field1_done = 0; | |
1032 | dma_q->lines_per_field = dev->height / 2; | |
1033 | dma_q->bytes_left_in_line = dev->width << 1; | |
1034 | dma_q->lines_completed = 0; | |
64fbf444 PB |
1035 | dma_q->mpeg_buffer_done = 0; |
1036 | dma_q->left_data_count = 0; | |
1037 | dma_q->mpeg_buffer_completed = 0; | |
1038 | dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD; | |
1039 | dma_q->ps_head[0] = 0x00; | |
1040 | dma_q->ps_head[1] = 0x00; | |
1041 | dma_q->ps_head[2] = 0x01; | |
1042 | dma_q->ps_head[3] = 0xBA; | |
84b5dbf3 MCC |
1043 | for (i = 0; i < 8; i++) |
1044 | dma_q->partial_buf[i] = 0; | |
1045 | ||
1046 | dev->video_mode.isoc_ctl.urb = | |
1047 | kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); | |
e0d3bafd SD |
1048 | if (!dev->video_mode.isoc_ctl.urb) { |
1049 | cx231xx_errdev("cannot alloc memory for usb buffers\n"); | |
1050 | return -ENOMEM; | |
1051 | } | |
1052 | ||
84b5dbf3 MCC |
1053 | dev->video_mode.isoc_ctl.transfer_buffer = |
1054 | kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); | |
e0d3bafd SD |
1055 | if (!dev->video_mode.isoc_ctl.transfer_buffer) { |
1056 | cx231xx_errdev("cannot allocate memory for usbtransfer\n"); | |
1057 | kfree(dev->video_mode.isoc_ctl.urb); | |
1058 | return -ENOMEM; | |
1059 | } | |
1060 | ||
1061 | dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size; | |
1062 | dev->video_mode.isoc_ctl.buf = NULL; | |
1063 | ||
1064 | sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size; | |
1065 | ||
64fbf444 PB |
1066 | if (dev->mode_tv == 1) |
1067 | dev->video_mode.end_point_addr = 0x81; | |
1068 | else | |
1069 | dev->video_mode.end_point_addr = 0x84; | |
1070 | ||
1071 | ||
e0d3bafd SD |
1072 | /* allocate urbs and transfer buffers */ |
1073 | for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { | |
1074 | urb = usb_alloc_urb(max_packets, GFP_KERNEL); | |
1075 | if (!urb) { | |
1076 | cx231xx_err("cannot alloc isoc_ctl.urb %i\n", i); | |
1077 | cx231xx_uninit_isoc(dev); | |
1078 | return -ENOMEM; | |
1079 | } | |
1080 | dev->video_mode.isoc_ctl.urb[i] = urb; | |
1081 | ||
84b5dbf3 | 1082 | dev->video_mode.isoc_ctl.transfer_buffer[i] = |
997ea58e DM |
1083 | usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, |
1084 | &urb->transfer_dma); | |
e0d3bafd SD |
1085 | if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) { |
1086 | cx231xx_err("unable to allocate %i bytes for transfer" | |
84b5dbf3 MCC |
1087 | " buffer %i%s\n", |
1088 | sb_size, i, | |
b9255176 | 1089 | in_interrupt() ? " while in int" : ""); |
e0d3bafd SD |
1090 | cx231xx_uninit_isoc(dev); |
1091 | return -ENOMEM; | |
1092 | } | |
1093 | memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size); | |
1094 | ||
84b5dbf3 MCC |
1095 | pipe = |
1096 | usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr); | |
e0d3bafd SD |
1097 | |
1098 | usb_fill_int_urb(urb, dev->udev, pipe, | |
84b5dbf3 | 1099 | dev->video_mode.isoc_ctl.transfer_buffer[i], |
64fbf444 | 1100 | sb_size, cx231xx_isoc_irq_callback, dma_q, 1); |
e0d3bafd SD |
1101 | |
1102 | urb->number_of_packets = max_packets; | |
1103 | urb->transfer_flags = URB_ISO_ASAP; | |
1104 | ||
1105 | k = 0; | |
1106 | for (j = 0; j < max_packets; j++) { | |
1107 | urb->iso_frame_desc[j].offset = k; | |
1108 | urb->iso_frame_desc[j].length = | |
84b5dbf3 | 1109 | dev->video_mode.isoc_ctl.max_pkt_size; |
e0d3bafd SD |
1110 | k += dev->video_mode.isoc_ctl.max_pkt_size; |
1111 | } | |
1112 | } | |
1113 | ||
1114 | init_waitqueue_head(&dma_q->wq); | |
1115 | ||
e0d3bafd SD |
1116 | /* submit urbs and enables IRQ */ |
1117 | for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { | |
84b5dbf3 MCC |
1118 | rc = usb_submit_urb(dev->video_mode.isoc_ctl.urb[i], |
1119 | GFP_ATOMIC); | |
e0d3bafd SD |
1120 | if (rc) { |
1121 | cx231xx_err("submit of urb %i failed (error=%i)\n", i, | |
84b5dbf3 | 1122 | rc); |
e0d3bafd SD |
1123 | cx231xx_uninit_isoc(dev); |
1124 | return rc; | |
1125 | } | |
1126 | } | |
1127 | ||
64fbf444 PB |
1128 | if (dev->mode_tv == 0) |
1129 | cx231xx_capture_start(dev, 1, Raw_Video); | |
1130 | else | |
1131 | cx231xx_capture_start(dev, 1, TS1_serial_mode); | |
e0d3bafd SD |
1132 | |
1133 | return 0; | |
1134 | } | |
1135 | EXPORT_SYMBOL_GPL(cx231xx_init_isoc); | |
1136 | ||
64fbf444 PB |
1137 | /* |
1138 | * Allocate URBs and start IRQ | |
1139 | */ | |
1140 | int cx231xx_init_bulk(struct cx231xx *dev, int max_packets, | |
1141 | int num_bufs, int max_pkt_size, | |
1142 | int (*bulk_copy) (struct cx231xx *dev, struct urb *urb)) | |
1143 | { | |
1144 | struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; | |
1145 | int i; | |
1146 | int sb_size, pipe; | |
1147 | struct urb *urb; | |
1148 | int rc; | |
1149 | ||
1150 | dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; | |
1151 | ||
1152 | cx231xx_info("Setting Video mux to %d\n", dev->video_input); | |
1153 | video_mux(dev, dev->video_input); | |
1154 | ||
1155 | /* De-allocates all pending stuff */ | |
1156 | cx231xx_uninit_bulk(dev); | |
1157 | ||
1158 | dev->video_mode.bulk_ctl.bulk_copy = bulk_copy; | |
1159 | dev->video_mode.bulk_ctl.num_bufs = num_bufs; | |
1160 | dma_q->pos = 0; | |
1161 | dma_q->is_partial_line = 0; | |
1162 | dma_q->last_sav = 0; | |
1163 | dma_q->current_field = -1; | |
1164 | dma_q->field1_done = 0; | |
1165 | dma_q->lines_per_field = dev->height / 2; | |
1166 | dma_q->bytes_left_in_line = dev->width << 1; | |
1167 | dma_q->lines_completed = 0; | |
1168 | dma_q->mpeg_buffer_done = 0; | |
1169 | dma_q->left_data_count = 0; | |
1170 | dma_q->mpeg_buffer_completed = 0; | |
1171 | dma_q->ps_head[0] = 0x00; | |
1172 | dma_q->ps_head[1] = 0x00; | |
1173 | dma_q->ps_head[2] = 0x01; | |
1174 | dma_q->ps_head[3] = 0xBA; | |
1175 | for (i = 0; i < 8; i++) | |
1176 | dma_q->partial_buf[i] = 0; | |
1177 | ||
1178 | dev->video_mode.bulk_ctl.urb = | |
1179 | kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); | |
1180 | if (!dev->video_mode.bulk_ctl.urb) { | |
1181 | cx231xx_errdev("cannot alloc memory for usb buffers\n"); | |
1182 | return -ENOMEM; | |
1183 | } | |
1184 | ||
1185 | dev->video_mode.bulk_ctl.transfer_buffer = | |
1186 | kzalloc(sizeof(void *) * num_bufs, GFP_KERNEL); | |
1187 | if (!dev->video_mode.bulk_ctl.transfer_buffer) { | |
1188 | cx231xx_errdev("cannot allocate memory for usbtransfer\n"); | |
1189 | kfree(dev->video_mode.bulk_ctl.urb); | |
1190 | return -ENOMEM; | |
1191 | } | |
1192 | ||
1193 | dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size; | |
1194 | dev->video_mode.bulk_ctl.buf = NULL; | |
1195 | ||
1196 | sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size; | |
1197 | ||
1198 | if (dev->mode_tv == 1) | |
1199 | dev->video_mode.end_point_addr = 0x81; | |
1200 | else | |
1201 | dev->video_mode.end_point_addr = 0x84; | |
1202 | ||
1203 | ||
1204 | /* allocate urbs and transfer buffers */ | |
1205 | for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { | |
1206 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
1207 | if (!urb) { | |
1208 | cx231xx_err("cannot alloc bulk_ctl.urb %i\n", i); | |
1209 | cx231xx_uninit_bulk(dev); | |
1210 | return -ENOMEM; | |
1211 | } | |
1212 | dev->video_mode.bulk_ctl.urb[i] = urb; | |
1213 | urb->transfer_flags = 0; | |
1214 | ||
1215 | dev->video_mode.bulk_ctl.transfer_buffer[i] = | |
1216 | usb_alloc_coherent(dev->udev, sb_size, GFP_KERNEL, | |
1217 | &urb->transfer_dma); | |
1218 | if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) { | |
1219 | cx231xx_err("unable to allocate %i bytes for transfer" | |
1220 | " buffer %i%s\n", | |
1221 | sb_size, i, | |
1222 | in_interrupt() ? " while in int" : ""); | |
1223 | cx231xx_uninit_bulk(dev); | |
1224 | return -ENOMEM; | |
1225 | } | |
1226 | memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size); | |
1227 | ||
1228 | pipe = usb_rcvbulkpipe(dev->udev, | |
1229 | dev->video_mode.end_point_addr); | |
1230 | usb_fill_bulk_urb(urb, dev->udev, pipe, | |
1231 | dev->video_mode.bulk_ctl.transfer_buffer[i], | |
1232 | sb_size, cx231xx_bulk_irq_callback, dma_q); | |
1233 | } | |
1234 | ||
1235 | init_waitqueue_head(&dma_q->wq); | |
1236 | ||
1237 | /* submit urbs and enables IRQ */ | |
1238 | for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { | |
1239 | rc = usb_submit_urb(dev->video_mode.bulk_ctl.urb[i], | |
1240 | GFP_ATOMIC); | |
1241 | if (rc) { | |
1242 | cx231xx_err("submit of urb %i failed (error=%i)\n", i, | |
1243 | rc); | |
1244 | cx231xx_uninit_bulk(dev); | |
1245 | return rc; | |
1246 | } | |
1247 | } | |
1248 | ||
1249 | if (dev->mode_tv == 0) | |
1250 | cx231xx_capture_start(dev, 1, Raw_Video); | |
1251 | else | |
1252 | cx231xx_capture_start(dev, 1, TS1_serial_mode); | |
1253 | ||
1254 | return 0; | |
1255 | } | |
1256 | EXPORT_SYMBOL_GPL(cx231xx_init_bulk); | |
1257 | void cx231xx_stop_TS1(struct cx231xx *dev) | |
1258 | { | |
1259 | int status = 0; | |
1260 | u8 val[4] = { 0, 0, 0, 0 }; | |
1261 | ||
1262 | val[0] = 0x00; | |
1263 | val[1] = 0x03; | |
1264 | val[2] = 0x00; | |
1265 | val[3] = 0x00; | |
1266 | status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, | |
1267 | TS_MODE_REG, val, 4); | |
1268 | ||
1269 | val[0] = 0x00; | |
1270 | val[1] = 0x70; | |
1271 | val[2] = 0x04; | |
1272 | val[3] = 0x00; | |
1273 | status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, | |
1274 | TS1_CFG_REG, val, 4); | |
1275 | } | |
1276 | /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */ | |
1277 | void cx231xx_start_TS1(struct cx231xx *dev) | |
1278 | { | |
1279 | int status = 0; | |
1280 | u8 val[4] = { 0, 0, 0, 0 }; | |
1281 | ||
1282 | val[0] = 0x03; | |
1283 | val[1] = 0x03; | |
1284 | val[2] = 0x00; | |
1285 | val[3] = 0x00; | |
1286 | status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, | |
1287 | TS_MODE_REG, val, 4); | |
1288 | ||
1289 | val[0] = 0x04; | |
1290 | val[1] = 0xA3; | |
1291 | val[2] = 0x3B; | |
1292 | val[3] = 0x00; | |
1293 | status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, | |
1294 | TS1_CFG_REG, val, 4); | |
1295 | } | |
1296 | /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */ | |
b9255176 SD |
1297 | /***************************************************************** |
1298 | * Device Init/UnInit functions * | |
1299 | ******************************************************************/ | |
e0d3bafd SD |
1300 | int cx231xx_dev_init(struct cx231xx *dev) |
1301 | { | |
84b5dbf3 | 1302 | int errCode = 0; |
e0d3bafd | 1303 | |
84b5dbf3 | 1304 | /* Initialize I2C bus */ |
e0d3bafd SD |
1305 | |
1306 | /* External Master 1 Bus */ | |
1307 | dev->i2c_bus[0].nr = 0; | |
1308 | dev->i2c_bus[0].dev = dev; | |
84b5dbf3 MCC |
1309 | dev->i2c_bus[0].i2c_period = I2C_SPEED_1M; /* 1MHz */ |
1310 | dev->i2c_bus[0].i2c_nostop = 0; | |
1311 | dev->i2c_bus[0].i2c_reserve = 0; | |
e0d3bafd SD |
1312 | |
1313 | /* External Master 2 Bus */ | |
1314 | dev->i2c_bus[1].nr = 1; | |
1315 | dev->i2c_bus[1].dev = dev; | |
84b5dbf3 MCC |
1316 | dev->i2c_bus[1].i2c_period = I2C_SPEED_1M; /* 1MHz */ |
1317 | dev->i2c_bus[1].i2c_nostop = 0; | |
1318 | dev->i2c_bus[1].i2c_reserve = 0; | |
e0d3bafd SD |
1319 | |
1320 | /* Internal Master 3 Bus */ | |
1321 | dev->i2c_bus[2].nr = 2; | |
1322 | dev->i2c_bus[2].dev = dev; | |
84b5dbf3 MCC |
1323 | dev->i2c_bus[2].i2c_period = I2C_SPEED_400K; /* 400kHz */ |
1324 | dev->i2c_bus[2].i2c_nostop = 0; | |
1325 | dev->i2c_bus[2].i2c_reserve = 0; | |
e0d3bafd | 1326 | |
84b5dbf3 | 1327 | /* register I2C buses */ |
e0d3bafd SD |
1328 | cx231xx_i2c_register(&dev->i2c_bus[0]); |
1329 | cx231xx_i2c_register(&dev->i2c_bus[1]); | |
1330 | cx231xx_i2c_register(&dev->i2c_bus[2]); | |
1331 | ||
84b5dbf3 | 1332 | /* init hardware */ |
b9255176 | 1333 | /* Note : with out calling set power mode function, |
ecc67d10 | 1334 | afe can not be set up correctly */ |
64fbf444 PB |
1335 | if (dev->model == CX231XX_BOARD_CNXT_VIDEO_GRABBER) { |
1336 | errCode = cx231xx_set_power_mode(dev, | |
1337 | POLARIS_AVMODE_ENXTERNAL_AV); | |
1338 | if (errCode < 0) { | |
1339 | cx231xx_errdev | |
1340 | ("%s: Failed to set Power - errCode [%d]!\n", | |
1341 | __func__, errCode); | |
1342 | return errCode; | |
1343 | } | |
1344 | } else { | |
1345 | errCode = cx231xx_set_power_mode(dev, | |
1346 | POLARIS_AVMODE_ANALOGT_TV); | |
1347 | if (errCode < 0) { | |
1348 | cx231xx_errdev | |
1349 | ("%s: Failed to set Power - errCode [%d]!\n", | |
1350 | __func__, errCode); | |
1351 | return errCode; | |
1352 | } | |
e0d3bafd SD |
1353 | } |
1354 | ||
64fbf444 PB |
1355 | /* reset the Tuner */ |
1356 | if ((dev->model == CX231XX_BOARD_CNXT_CARRAERA) || | |
1357 | (dev->model == CX231XX_BOARD_CNXT_RDE_250) || | |
1358 | (dev->model == CX231XX_BOARD_CNXT_SHELBY) || | |
1359 | (dev->model == CX231XX_BOARD_CNXT_RDU_250)) | |
1360 | cx231xx_gpio_set(dev, dev->board.tuner_gpio); | |
1361 | ||
84b5dbf3 | 1362 | /* initialize Colibri block */ |
ecc67d10 | 1363 | errCode = cx231xx_afe_init_super_block(dev, 0x23c); |
e0d3bafd | 1364 | if (errCode < 0) { |
84b5dbf3 | 1365 | cx231xx_errdev |
ecc67d10 | 1366 | ("%s: cx231xx_afe init super block - errCode [%d]!\n", |
84b5dbf3 | 1367 | __func__, errCode); |
e0d3bafd SD |
1368 | return errCode; |
1369 | } | |
ecc67d10 | 1370 | errCode = cx231xx_afe_init_channels(dev); |
84b5dbf3 MCC |
1371 | if (errCode < 0) { |
1372 | cx231xx_errdev | |
ecc67d10 | 1373 | ("%s: cx231xx_afe init channels - errCode [%d]!\n", |
84b5dbf3 | 1374 | __func__, errCode); |
e0d3bafd SD |
1375 | return errCode; |
1376 | } | |
1377 | ||
84b5dbf3 MCC |
1378 | /* Set DIF in By pass mode */ |
1379 | errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND); | |
1380 | if (errCode < 0) { | |
1381 | cx231xx_errdev | |
1382 | ("%s: cx231xx_dif set to By pass mode - errCode [%d]!\n", | |
1383 | __func__, errCode); | |
e0d3bafd SD |
1384 | return errCode; |
1385 | } | |
1386 | ||
ecc67d10 SD |
1387 | /* I2S block related functions */ |
1388 | errCode = cx231xx_i2s_blk_initialize(dev); | |
84b5dbf3 MCC |
1389 | if (errCode < 0) { |
1390 | cx231xx_errdev | |
ecc67d10 | 1391 | ("%s: cx231xx_i2s block initialize - errCode [%d]!\n", |
84b5dbf3 | 1392 | __func__, errCode); |
e0d3bafd SD |
1393 | return errCode; |
1394 | } | |
1395 | ||
84b5dbf3 MCC |
1396 | /* init control pins */ |
1397 | errCode = cx231xx_init_ctrl_pin_status(dev); | |
1398 | if (errCode < 0) { | |
e0d3bafd | 1399 | cx231xx_errdev("%s: cx231xx_init ctrl pins - errCode [%d]!\n", |
84b5dbf3 | 1400 | __func__, errCode); |
e0d3bafd SD |
1401 | return errCode; |
1402 | } | |
1403 | ||
84b5dbf3 | 1404 | /* set AGC mode to Analog */ |
64fbf444 PB |
1405 | switch (dev->model) { |
1406 | case CX231XX_BOARD_CNXT_CARRAERA: | |
1407 | case CX231XX_BOARD_CNXT_RDE_250: | |
1408 | case CX231XX_BOARD_CNXT_SHELBY: | |
1409 | case CX231XX_BOARD_CNXT_RDU_250: | |
84b5dbf3 | 1410 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 1); |
64fbf444 PB |
1411 | break; |
1412 | case CX231XX_BOARD_CNXT_RDE_253S: | |
1413 | case CX231XX_BOARD_CNXT_RDU_253S: | |
1414 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, 0); | |
1415 | break; | |
1416 | default: | |
1417 | break; | |
1418 | } | |
84b5dbf3 MCC |
1419 | if (errCode < 0) { |
1420 | cx231xx_errdev | |
1421 | ("%s: cx231xx_AGC mode to Analog - errCode [%d]!\n", | |
1422 | __func__, errCode); | |
e0d3bafd SD |
1423 | return errCode; |
1424 | } | |
1425 | ||
84b5dbf3 MCC |
1426 | /* set all alternate settings to zero initially */ |
1427 | cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); | |
1428 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); | |
1429 | cx231xx_set_alt_setting(dev, INDEX_HANC, 0); | |
1430 | if (dev->board.has_dvb) | |
1431 | cx231xx_set_alt_setting(dev, INDEX_TS1, 0); | |
e0d3bafd | 1432 | |
84b5dbf3 | 1433 | /* set the I2C master port to 3 on channel 1 */ |
64fbf444 PB |
1434 | if (dev->model != CX231XX_BOARD_CNXT_VIDEO_GRABBER) |
1435 | errCode = cx231xx_enable_i2c_for_tuner(dev, I2C_3); | |
e0d3bafd SD |
1436 | |
1437 | return errCode; | |
1438 | } | |
1439 | EXPORT_SYMBOL_GPL(cx231xx_dev_init); | |
1440 | ||
1441 | void cx231xx_dev_uninit(struct cx231xx *dev) | |
1442 | { | |
84b5dbf3 | 1443 | /* Un Initialize I2C bus */ |
e0d3bafd SD |
1444 | cx231xx_i2c_unregister(&dev->i2c_bus[2]); |
1445 | cx231xx_i2c_unregister(&dev->i2c_bus[1]); | |
1446 | cx231xx_i2c_unregister(&dev->i2c_bus[0]); | |
1447 | } | |
84b5dbf3 | 1448 | EXPORT_SYMBOL_GPL(cx231xx_dev_uninit); |
e0d3bafd | 1449 | |
b9255176 SD |
1450 | /***************************************************************** |
1451 | * G P I O related functions * | |
1452 | ******************************************************************/ | |
64fbf444 | 1453 | int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val, |
84b5dbf3 | 1454 | u8 len, u8 request, u8 direction) |
e0d3bafd | 1455 | { |
84b5dbf3 | 1456 | int status = 0; |
b9255176 | 1457 | struct VENDOR_REQUEST_IN ven_req; |
84b5dbf3 MCC |
1458 | |
1459 | /* Set wValue */ | |
1460 | ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff); | |
1461 | ||
1462 | /* set request */ | |
1463 | if (!request) { | |
1464 | if (direction) | |
1465 | ven_req.bRequest = VRT_GET_GPIO; /* 0x8 gpio */ | |
1466 | else | |
1467 | ven_req.bRequest = VRT_SET_GPIO; /* 0x9 gpio */ | |
1468 | } else { | |
1469 | if (direction) | |
1470 | ven_req.bRequest = VRT_GET_GPIE; /* 0xa gpie */ | |
1471 | else | |
1472 | ven_req.bRequest = VRT_SET_GPIE; /* 0xb gpie */ | |
1473 | } | |
e0d3bafd | 1474 | |
84b5dbf3 MCC |
1475 | /* set index value */ |
1476 | ven_req.wIndex = (u16) (gpio_bit & 0xffff); | |
e0d3bafd | 1477 | |
84b5dbf3 MCC |
1478 | /* set wLength value */ |
1479 | ven_req.wLength = len; | |
e0d3bafd | 1480 | |
84b5dbf3 MCC |
1481 | /* set bData value */ |
1482 | ven_req.bData = 0; | |
e0d3bafd | 1483 | |
84b5dbf3 MCC |
1484 | /* set the buffer for read / write */ |
1485 | ven_req.pBuff = gpio_val; | |
1486 | ||
1487 | /* set the direction */ | |
1488 | if (direction) { | |
1489 | ven_req.direction = USB_DIR_IN; | |
1490 | memset(ven_req.pBuff, 0x00, ven_req.wLength); | |
1491 | } else | |
1492 | ven_req.direction = USB_DIR_OUT; | |
1493 | ||
1494 | ||
1495 | /* call common vendor command request */ | |
1496 | status = cx231xx_send_vendor_cmd(dev, &ven_req); | |
1497 | if (status < 0) { | |
1498 | cx231xx_info | |
b9255176 | 1499 | ("UsbInterface::sendCommand, failed with status -%d\n", |
84b5dbf3 MCC |
1500 | status); |
1501 | } | |
e0d3bafd | 1502 | |
84b5dbf3 | 1503 | return status; |
e0d3bafd | 1504 | } |
e0d3bafd SD |
1505 | EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd); |
1506 | ||
b9255176 SD |
1507 | /***************************************************************** |
1508 | * C O N T R O L - Register R E A D / W R I T E functions * | |
1509 | *****************************************************************/ | |
e0d3bafd SD |
1510 | int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode) |
1511 | { | |
84b5dbf3 MCC |
1512 | u8 value[4] = { 0x0, 0x0, 0x0, 0x0 }; |
1513 | u32 tmp = 0; | |
1514 | int status = 0; | |
e0d3bafd | 1515 | |
84b5dbf3 MCC |
1516 | status = |
1517 | cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER, address, value, 4); | |
1518 | if (status < 0) | |
1519 | return status; | |
e0d3bafd | 1520 | |
84b5dbf3 MCC |
1521 | tmp = *((u32 *) value); |
1522 | tmp |= mode; | |
e0d3bafd | 1523 | |
84b5dbf3 MCC |
1524 | value[0] = (u8) tmp; |
1525 | value[1] = (u8) (tmp >> 8); | |
1526 | value[2] = (u8) (tmp >> 16); | |
1527 | value[3] = (u8) (tmp >> 24); | |
e0d3bafd | 1528 | |
84b5dbf3 MCC |
1529 | status = |
1530 | cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, address, value, 4); | |
e0d3bafd | 1531 | |
84b5dbf3 | 1532 | return status; |
e0d3bafd SD |
1533 | } |
1534 | ||
b9255176 SD |
1535 | /***************************************************************** |
1536 | * I 2 C Internal C O N T R O L functions * | |
1537 | *****************************************************************/ | |
64fbf444 PB |
1538 | int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, |
1539 | u8 saddr_len, u32 *data, u8 data_len, int master) | |
1540 | { | |
1541 | int status = 0; | |
1542 | struct cx231xx_i2c_xfer_data req_data; | |
1543 | u8 value[64] = "0"; | |
1544 | ||
1545 | if (saddr_len == 0) | |
1546 | saddr = 0; | |
1547 | else if (saddr_len == 0) | |
1548 | saddr &= 0xff; | |
1549 | ||
1550 | /* prepare xfer_data struct */ | |
1551 | req_data.dev_addr = dev_addr >> 1; | |
1552 | req_data.direction = I2C_M_RD; | |
1553 | req_data.saddr_len = saddr_len; | |
1554 | req_data.saddr_dat = saddr; | |
1555 | req_data.buf_size = data_len; | |
1556 | req_data.p_buffer = (u8 *) value; | |
1557 | ||
1558 | /* usb send command */ | |
1559 | if (master == 0) | |
1560 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], | |
1561 | &req_data); | |
1562 | else if (master == 1) | |
1563 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], | |
1564 | &req_data); | |
1565 | else if (master == 2) | |
1566 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], | |
1567 | &req_data); | |
1568 | ||
1569 | if (status >= 0) { | |
1570 | /* Copy the data read back to main buffer */ | |
1571 | if (data_len == 1) | |
1572 | *data = value[0]; | |
1573 | else if (data_len == 4) | |
1574 | *data = | |
1575 | value[0] | value[1] << 8 | value[2] << 16 | value[3] | |
1576 | << 24; | |
1577 | else if (data_len > 4) | |
1578 | *data = value[saddr]; | |
1579 | } | |
1580 | ||
1581 | return status; | |
1582 | } | |
1583 | ||
1584 | int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, | |
1585 | u8 saddr_len, u32 data, u8 data_len, int master) | |
1586 | { | |
1587 | int status = 0; | |
1588 | u8 value[4] = { 0, 0, 0, 0 }; | |
1589 | struct cx231xx_i2c_xfer_data req_data; | |
1590 | ||
1591 | value[0] = (u8) data; | |
1592 | value[1] = (u8) (data >> 8); | |
1593 | value[2] = (u8) (data >> 16); | |
1594 | value[3] = (u8) (data >> 24); | |
1595 | ||
1596 | if (saddr_len == 0) | |
1597 | saddr = 0; | |
1598 | else if (saddr_len == 0) | |
1599 | saddr &= 0xff; | |
1600 | ||
1601 | /* prepare xfer_data struct */ | |
1602 | req_data.dev_addr = dev_addr >> 1; | |
1603 | req_data.direction = 0; | |
1604 | req_data.saddr_len = saddr_len; | |
1605 | req_data.saddr_dat = saddr; | |
1606 | req_data.buf_size = data_len; | |
1607 | req_data.p_buffer = value; | |
1608 | ||
1609 | /* usb send command */ | |
1610 | if (master == 0) | |
1611 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], | |
1612 | &req_data); | |
1613 | else if (master == 1) | |
1614 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], | |
1615 | &req_data); | |
1616 | else if (master == 2) | |
1617 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], | |
1618 | &req_data); | |
1619 | ||
1620 | return status; | |
1621 | } | |
1622 | ||
e0d3bafd | 1623 | int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, |
b9255176 | 1624 | u8 saddr_len, u32 *data, u8 data_len) |
e0d3bafd | 1625 | { |
84b5dbf3 MCC |
1626 | int status = 0; |
1627 | struct cx231xx_i2c_xfer_data req_data; | |
1628 | u8 value[4] = { 0, 0, 0, 0 }; | |
1629 | ||
1630 | if (saddr_len == 0) | |
1631 | saddr = 0; | |
1632 | else if (saddr_len == 0) | |
1633 | saddr &= 0xff; | |
1634 | ||
1635 | /* prepare xfer_data struct */ | |
1636 | req_data.dev_addr = dev_addr >> 1; | |
1637 | req_data.direction = I2C_M_RD; | |
1638 | req_data.saddr_len = saddr_len; | |
1639 | req_data.saddr_dat = saddr; | |
1640 | req_data.buf_size = data_len; | |
1641 | req_data.p_buffer = (u8 *) value; | |
1642 | ||
1643 | /* usb send command */ | |
1644 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); | |
1645 | ||
1646 | if (status >= 0) { | |
1647 | /* Copy the data read back to main buffer */ | |
1648 | if (data_len == 1) | |
1649 | *data = value[0]; | |
1650 | else | |
1651 | *data = | |
1652 | value[0] | value[1] << 8 | value[2] << 16 | value[3] | |
1653 | << 24; | |
1654 | } | |
1655 | ||
1656 | return status; | |
e0d3bafd SD |
1657 | } |
1658 | ||
1659 | int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, | |
84b5dbf3 | 1660 | u8 saddr_len, u32 data, u8 data_len) |
e0d3bafd | 1661 | { |
84b5dbf3 MCC |
1662 | int status = 0; |
1663 | u8 value[4] = { 0, 0, 0, 0 }; | |
1664 | struct cx231xx_i2c_xfer_data req_data; | |
1665 | ||
1666 | value[0] = (u8) data; | |
1667 | value[1] = (u8) (data >> 8); | |
1668 | value[2] = (u8) (data >> 16); | |
1669 | value[3] = (u8) (data >> 24); | |
1670 | ||
1671 | if (saddr_len == 0) | |
1672 | saddr = 0; | |
1673 | else if (saddr_len == 0) | |
1674 | saddr &= 0xff; | |
1675 | ||
1676 | /* prepare xfer_data struct */ | |
1677 | req_data.dev_addr = dev_addr >> 1; | |
1678 | req_data.direction = 0; | |
1679 | req_data.saddr_len = saddr_len; | |
1680 | req_data.saddr_dat = saddr; | |
1681 | req_data.buf_size = data_len; | |
1682 | req_data.p_buffer = value; | |
1683 | ||
1684 | /* usb send command */ | |
1685 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); | |
1686 | ||
1687 | return status; | |
e0d3bafd SD |
1688 | } |
1689 | ||
84b5dbf3 MCC |
1690 | int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, |
1691 | u16 register_address, u8 bit_start, u8 bit_end, | |
1692 | u32 value) | |
e0d3bafd | 1693 | { |
84b5dbf3 MCC |
1694 | int status = 0; |
1695 | u32 tmp; | |
1696 | u32 mask = 0; | |
1697 | int i; | |
1698 | ||
b9255176 | 1699 | if (bit_start > (size - 1) || bit_end > (size - 1)) |
84b5dbf3 | 1700 | return -1; |
e0d3bafd | 1701 | |
84b5dbf3 MCC |
1702 | if (size == 8) { |
1703 | status = | |
1704 | cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, | |
1705 | &tmp, 1); | |
1706 | } else { | |
1707 | status = | |
1708 | cx231xx_read_i2c_data(dev, dev_addr, register_address, 2, | |
1709 | &tmp, 4); | |
1710 | } | |
e0d3bafd | 1711 | |
b9255176 | 1712 | if (status < 0) |
84b5dbf3 | 1713 | return status; |
84b5dbf3 MCC |
1714 | |
1715 | mask = 1 << bit_end; | |
b9255176 | 1716 | for (i = bit_end; i > bit_start && i > 0; i--) |
84b5dbf3 | 1717 | mask = mask + (1 << (i - 1)); |
84b5dbf3 MCC |
1718 | |
1719 | value <<= bit_start; | |
1720 | ||
1721 | if (size == 8) { | |
1722 | tmp &= ~mask; | |
1723 | tmp |= value; | |
1724 | tmp &= 0xff; | |
1725 | status = | |
1726 | cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, | |
1727 | tmp, 1); | |
1728 | } else { | |
1729 | tmp &= ~mask; | |
1730 | tmp |= value; | |
1731 | status = | |
1732 | cx231xx_write_i2c_data(dev, dev_addr, register_address, 2, | |
1733 | tmp, 4); | |
1734 | } | |
1735 | ||
1736 | return status; | |
1737 | } | |
e0d3bafd SD |
1738 | |
1739 | int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr, | |
84b5dbf3 | 1740 | u16 saddr, u32 mask, u32 value) |
e0d3bafd | 1741 | { |
84b5dbf3 MCC |
1742 | u32 temp; |
1743 | int status = 0; | |
e0d3bafd | 1744 | |
84b5dbf3 | 1745 | status = cx231xx_read_i2c_data(dev, dev_addr, saddr, 2, &temp, 4); |
e0d3bafd | 1746 | |
84b5dbf3 MCC |
1747 | if (status < 0) |
1748 | return status; | |
e0d3bafd | 1749 | |
84b5dbf3 MCC |
1750 | temp &= ~mask; |
1751 | temp |= value; | |
e0d3bafd | 1752 | |
84b5dbf3 | 1753 | status = cx231xx_write_i2c_data(dev, dev_addr, saddr, 2, temp, 4); |
e0d3bafd | 1754 | |
84b5dbf3 | 1755 | return status; |
e0d3bafd SD |
1756 | } |
1757 | ||
1758 | u32 cx231xx_set_field(u32 field_mask, u32 data) | |
1759 | { | |
84b5dbf3 | 1760 | u32 temp; |
e0d3bafd | 1761 | |
b9255176 | 1762 | for (temp = field_mask; (temp & 1) == 0; temp >>= 1) |
84b5dbf3 | 1763 | data <<= 1; |
e0d3bafd | 1764 | |
84b5dbf3 | 1765 | return data; |
e0d3bafd | 1766 | } |