1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | cx231xx-core.c - driver for Conexant Cx23100/101/102 |
4 | USB video capture devices |
5 | |
6 | Copyright (C) 2008 <srinivasa.deevi at conexant dot com> |
7 | Based on em28xx driver |
8 | |
9 | */ |
10 | |
11 | #include "cx231xx.h" |
12 | #include <linux/init.h> |
13 | #include <linux/list.h> |
14 | #include <linux/module.h> |
15 | #include <linux/slab.h> |
16 | #include <linux/vmalloc.h> |
17 | #include <media/v4l2-common.h> |
18 | #include <media/tuner.h> |
19 | |
20 | #include "cx231xx-reg.h" |
21 | |
22 | /* #define ENABLE_DEBUG_ISOC_FRAMES */ |
23 | |
24 | static unsigned int core_debug; |
25 | module_param(core_debug, int, 0644); |
26 | MODULE_PARM_DESC(core_debug, "enable debug messages [core]" ); |
27 | |
28 | #define cx231xx_coredbg(fmt, arg...) do {\ |
29 | if (core_debug) \ |
30 | printk(KERN_INFO "%s %s :"fmt, \ |
31 | dev->name, __func__ , ##arg); } while (0) |
32 | |
33 | static unsigned int reg_debug; |
34 | module_param(reg_debug, int, 0644); |
35 | MODULE_PARM_DESC(reg_debug, "enable debug messages [URB reg]" ); |
36 | |
37 | static int alt = CX231XX_PINOUT; |
38 | module_param(alt, int, 0644); |
39 | MODULE_PARM_DESC(alt, "alternate setting to use for video endpoint" ); |
40 | |
41 | #define cx231xx_isocdbg(fmt, arg...) do {\ |
42 | if (core_debug) \ |
43 | printk(KERN_INFO "%s %s :"fmt, \ |
44 | dev->name, __func__ , ##arg); } while (0) |
45 | |
46 | /***************************************************************** |
47 | * Device control list functions * |
48 | ******************************************************************/ |
49 | |
50 | LIST_HEAD(cx231xx_devlist); |
51 | static DEFINE_MUTEX(cx231xx_devlist_mutex); |
52 | |
53 | /* |
54 | * cx231xx_realease_resources() |
55 | * unregisters the v4l2,i2c and usb devices |
56 | * called when the device gets disconnected or at module unload |
57 | */ |
58 | void cx231xx_remove_from_devlist(struct cx231xx *dev) |
59 | { |
60 | if (dev == NULL) |
61 | return; |
62 | if (dev->udev == NULL) |
63 | return; |
64 | |
65 | if (atomic_read(v: &dev->devlist_count) > 0) { |
66 | mutex_lock(&cx231xx_devlist_mutex); |
67 | list_del(entry: &dev->devlist); |
68 | atomic_dec(v: &dev->devlist_count); |
69 | mutex_unlock(lock: &cx231xx_devlist_mutex); |
70 | } |
71 | }; |
72 | |
73 | void cx231xx_add_into_devlist(struct cx231xx *dev) |
74 | { |
75 | mutex_lock(&cx231xx_devlist_mutex); |
76 | list_add_tail(new: &dev->devlist, head: &cx231xx_devlist); |
77 | atomic_inc(v: &dev->devlist_count); |
78 | mutex_unlock(lock: &cx231xx_devlist_mutex); |
79 | }; |
80 | |
81 | static LIST_HEAD(cx231xx_extension_devlist); |
82 | |
83 | int cx231xx_register_extension(struct cx231xx_ops *ops) |
84 | { |
85 | struct cx231xx *dev = NULL; |
86 | |
87 | mutex_lock(&cx231xx_devlist_mutex); |
88 | list_add_tail(new: &ops->next, head: &cx231xx_extension_devlist); |
89 | list_for_each_entry(dev, &cx231xx_devlist, devlist) { |
90 | ops->init(dev); |
91 | dev_info(dev->dev, "%s initialized\n" , ops->name); |
92 | } |
93 | mutex_unlock(lock: &cx231xx_devlist_mutex); |
94 | return 0; |
95 | } |
96 | EXPORT_SYMBOL(cx231xx_register_extension); |
97 | |
98 | void cx231xx_unregister_extension(struct cx231xx_ops *ops) |
99 | { |
100 | struct cx231xx *dev = NULL; |
101 | |
102 | mutex_lock(&cx231xx_devlist_mutex); |
103 | list_for_each_entry(dev, &cx231xx_devlist, devlist) { |
104 | ops->fini(dev); |
105 | dev_info(dev->dev, "%s removed\n" , ops->name); |
106 | } |
107 | |
108 | list_del(entry: &ops->next); |
109 | mutex_unlock(lock: &cx231xx_devlist_mutex); |
110 | } |
111 | EXPORT_SYMBOL(cx231xx_unregister_extension); |
112 | |
113 | void cx231xx_init_extension(struct cx231xx *dev) |
114 | { |
115 | struct cx231xx_ops *ops = NULL; |
116 | |
117 | mutex_lock(&cx231xx_devlist_mutex); |
118 | list_for_each_entry(ops, &cx231xx_extension_devlist, next) { |
119 | if (ops->init) |
120 | ops->init(dev); |
121 | } |
122 | mutex_unlock(lock: &cx231xx_devlist_mutex); |
123 | } |
124 | |
125 | void cx231xx_close_extension(struct cx231xx *dev) |
126 | { |
127 | struct cx231xx_ops *ops = NULL; |
128 | |
129 | mutex_lock(&cx231xx_devlist_mutex); |
130 | list_for_each_entry(ops, &cx231xx_extension_devlist, next) { |
131 | if (ops->fini) |
132 | ops->fini(dev); |
133 | } |
134 | mutex_unlock(lock: &cx231xx_devlist_mutex); |
135 | } |
136 | |
137 | /**************************************************************** |
138 | * U S B related functions * |
139 | *****************************************************************/ |
140 | int cx231xx_send_usb_command(struct cx231xx_i2c *i2c_bus, |
141 | struct cx231xx_i2c_xfer_data *req_data) |
142 | { |
143 | int status = 0; |
144 | struct cx231xx *dev = i2c_bus->dev; |
145 | struct VENDOR_REQUEST_IN ven_req; |
146 | |
147 | u8 saddr_len = 0; |
148 | u8 _i2c_period = 0; |
149 | u8 _i2c_nostop = 0; |
150 | u8 _i2c_reserve = 0; |
151 | |
152 | if (dev->state & DEV_DISCONNECTED) |
153 | return -ENODEV; |
154 | |
155 | /* Get the I2C period, nostop and reserve parameters */ |
156 | _i2c_period = i2c_bus->i2c_period; |
157 | _i2c_nostop = i2c_bus->i2c_nostop; |
158 | _i2c_reserve = i2c_bus->i2c_reserve; |
159 | |
160 | saddr_len = req_data->saddr_len; |
161 | |
162 | /* Set wValue */ |
163 | ven_req.wValue = (req_data->dev_addr << 9 | _i2c_period << 4 | |
164 | saddr_len << 2 | _i2c_nostop << 1 | I2C_SYNC | |
165 | _i2c_reserve << 6); |
166 | |
167 | /* set channel number */ |
168 | if (req_data->direction & I2C_M_RD) { |
169 | /* channel number, for read,spec required channel_num +4 */ |
170 | ven_req.bRequest = i2c_bus->nr + 4; |
171 | } else |
172 | ven_req.bRequest = i2c_bus->nr; /* channel number, */ |
173 | |
174 | /* set index value */ |
175 | switch (saddr_len) { |
176 | case 0: |
177 | ven_req.wIndex = 0; /* need check */ |
178 | break; |
179 | case 1: |
180 | ven_req.wIndex = (req_data->saddr_dat & 0xff); |
181 | break; |
182 | case 2: |
183 | ven_req.wIndex = req_data->saddr_dat; |
184 | break; |
185 | } |
186 | |
187 | /* set wLength value */ |
188 | ven_req.wLength = req_data->buf_size; |
189 | |
190 | /* set bData value */ |
191 | ven_req.bData = 0; |
192 | |
193 | /* set the direction */ |
194 | if (req_data->direction) { |
195 | ven_req.direction = USB_DIR_IN; |
196 | memset(req_data->p_buffer, 0x00, ven_req.wLength); |
197 | } else |
198 | ven_req.direction = USB_DIR_OUT; |
199 | |
200 | /* set the buffer for read / write */ |
201 | ven_req.pBuff = req_data->p_buffer; |
202 | |
203 | |
204 | /* call common vendor command request */ |
205 | status = cx231xx_send_vendor_cmd(dev, ven_req: &ven_req); |
206 | if (status < 0 && !dev->i2c_scan_running) { |
207 | dev_err(dev->dev, "%s: failed with status -%d\n" , |
208 | __func__, status); |
209 | } |
210 | |
211 | return status; |
212 | } |
213 | EXPORT_SYMBOL_GPL(cx231xx_send_usb_command); |
214 | |
215 | /* |
216 | * Sends/Receives URB control messages, assuring to use a kalloced buffer |
217 | * for all operations (dev->urb_buf), to avoid using stacked buffers, as |
218 | * they aren't safe for usage with USB, due to DMA restrictions. |
219 | * Also implements the debug code for control URB's. |
220 | */ |
221 | static int __usb_control_msg(struct cx231xx *dev, unsigned int pipe, |
222 | __u8 request, __u8 requesttype, __u16 value, __u16 index, |
223 | void *data, __u16 size, int timeout) |
224 | { |
225 | int rc, i; |
226 | |
227 | if (reg_debug) { |
228 | printk(KERN_DEBUG "%s: (pipe 0x%08x): %s: %02x %02x %02x %02x %02x %02x %02x %02x " , |
229 | dev->name, |
230 | pipe, |
231 | (requesttype & USB_DIR_IN) ? "IN" : "OUT" , |
232 | requesttype, |
233 | request, |
234 | value & 0xff, value >> 8, |
235 | index & 0xff, index >> 8, |
236 | size & 0xff, size >> 8); |
237 | if (!(requesttype & USB_DIR_IN)) { |
238 | printk(KERN_CONT ">>>" ); |
239 | for (i = 0; i < size; i++) |
240 | printk(KERN_CONT " %02x" , |
241 | ((unsigned char *)data)[i]); |
242 | } |
243 | } |
244 | |
245 | /* Do the real call to usb_control_msg */ |
246 | mutex_lock(&dev->ctrl_urb_lock); |
247 | if (!(requesttype & USB_DIR_IN) && size) |
248 | memcpy(dev->urb_buf, data, size); |
249 | rc = usb_control_msg(dev: dev->udev, pipe, request, requesttype, value, |
250 | index, data: dev->urb_buf, size, timeout); |
251 | if ((requesttype & USB_DIR_IN) && size) |
252 | memcpy(data, dev->urb_buf, size); |
253 | mutex_unlock(lock: &dev->ctrl_urb_lock); |
254 | |
255 | if (reg_debug) { |
256 | if (unlikely(rc < 0)) { |
257 | printk(KERN_CONT "FAILED!\n" ); |
258 | return rc; |
259 | } |
260 | |
261 | if ((requesttype & USB_DIR_IN)) { |
262 | printk(KERN_CONT "<<<" ); |
263 | for (i = 0; i < size; i++) |
264 | printk(KERN_CONT " %02x" , |
265 | ((unsigned char *)data)[i]); |
266 | } |
267 | printk(KERN_CONT "\n" ); |
268 | } |
269 | |
270 | return rc; |
271 | } |
272 | |
273 | |
274 | /* |
275 | * cx231xx_read_ctrl_reg() |
276 | * reads data from the usb device specifying bRequest and wValue |
277 | */ |
278 | int cx231xx_read_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, |
279 | char *buf, int len) |
280 | { |
281 | u8 val = 0; |
282 | int ret; |
283 | int pipe = usb_rcvctrlpipe(dev->udev, 0); |
284 | |
285 | if (dev->state & DEV_DISCONNECTED) |
286 | return -ENODEV; |
287 | |
288 | if (len > URB_MAX_CTRL_SIZE) |
289 | return -EINVAL; |
290 | |
291 | switch (len) { |
292 | case 1: |
293 | val = ENABLE_ONE_BYTE; |
294 | break; |
295 | case 2: |
296 | val = ENABLE_TWE_BYTE; |
297 | break; |
298 | case 3: |
299 | val = ENABLE_THREE_BYTE; |
300 | break; |
301 | case 4: |
302 | val = ENABLE_FOUR_BYTE; |
303 | break; |
304 | default: |
305 | val = 0xFF; /* invalid option */ |
306 | } |
307 | |
308 | if (val == 0xFF) |
309 | return -EINVAL; |
310 | |
311 | ret = __usb_control_msg(dev, pipe, request: req, |
312 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
313 | value: val, index: reg, data: buf, size: len, HZ); |
314 | return ret; |
315 | } |
316 | |
317 | int cx231xx_send_vendor_cmd(struct cx231xx *dev, |
318 | struct VENDOR_REQUEST_IN *ven_req) |
319 | { |
320 | int ret; |
321 | int pipe = 0; |
322 | int unsend_size = 0; |
323 | u8 *pdata; |
324 | |
325 | if (dev->state & DEV_DISCONNECTED) |
326 | return -ENODEV; |
327 | |
328 | if ((ven_req->wLength > URB_MAX_CTRL_SIZE)) |
329 | return -EINVAL; |
330 | |
331 | if (ven_req->direction) |
332 | pipe = usb_rcvctrlpipe(dev->udev, 0); |
333 | else |
334 | pipe = usb_sndctrlpipe(dev->udev, 0); |
335 | |
336 | /* |
337 | * If the cx23102 read more than 4 bytes with i2c bus, |
338 | * need chop to 4 byte per request |
339 | */ |
340 | if ((ven_req->wLength > 4) && ((ven_req->bRequest == 0x4) || |
341 | (ven_req->bRequest == 0x5) || |
342 | (ven_req->bRequest == 0x6) || |
343 | |
344 | /* Internal Master 3 Bus can send |
345 | * and receive only 4 bytes per time |
346 | */ |
347 | (ven_req->bRequest == 0x2))) { |
348 | unsend_size = 0; |
349 | pdata = ven_req->pBuff; |
350 | |
351 | |
352 | unsend_size = ven_req->wLength; |
353 | |
354 | /* the first package */ |
355 | ven_req->wValue = ven_req->wValue & 0xFFFB; |
356 | ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x2; |
357 | ret = __usb_control_msg(dev, pipe, request: ven_req->bRequest, |
358 | requesttype: ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
359 | value: ven_req->wValue, index: ven_req->wIndex, data: pdata, |
360 | size: 0x0004, HZ); |
361 | unsend_size = unsend_size - 4; |
362 | |
363 | /* the middle package */ |
364 | ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x42; |
365 | while (unsend_size - 4 > 0) { |
366 | pdata = pdata + 4; |
367 | ret = __usb_control_msg(dev, pipe, |
368 | request: ven_req->bRequest, |
369 | requesttype: ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
370 | value: ven_req->wValue, index: ven_req->wIndex, data: pdata, |
371 | size: 0x0004, HZ); |
372 | unsend_size = unsend_size - 4; |
373 | } |
374 | |
375 | /* the last package */ |
376 | ven_req->wValue = (ven_req->wValue & 0xFFBD) | 0x40; |
377 | pdata = pdata + 4; |
378 | ret = __usb_control_msg(dev, pipe, request: ven_req->bRequest, |
379 | requesttype: ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
380 | value: ven_req->wValue, index: ven_req->wIndex, data: pdata, |
381 | size: unsend_size, HZ); |
382 | } else { |
383 | ret = __usb_control_msg(dev, pipe, request: ven_req->bRequest, |
384 | requesttype: ven_req->direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
385 | value: ven_req->wValue, index: ven_req->wIndex, |
386 | data: ven_req->pBuff, size: ven_req->wLength, HZ); |
387 | } |
388 | |
389 | return ret; |
390 | } |
391 | |
392 | /* |
393 | * cx231xx_write_ctrl_reg() |
394 | * sends data to the usb device, specifying bRequest |
395 | */ |
396 | int cx231xx_write_ctrl_reg(struct cx231xx *dev, u8 req, u16 reg, char *buf, |
397 | int len) |
398 | { |
399 | u8 val = 0; |
400 | int ret; |
401 | int pipe = usb_sndctrlpipe(dev->udev, 0); |
402 | |
403 | if (dev->state & DEV_DISCONNECTED) |
404 | return -ENODEV; |
405 | |
406 | if ((len < 1) || (len > URB_MAX_CTRL_SIZE)) |
407 | return -EINVAL; |
408 | |
409 | switch (len) { |
410 | case 1: |
411 | val = ENABLE_ONE_BYTE; |
412 | break; |
413 | case 2: |
414 | val = ENABLE_TWE_BYTE; |
415 | break; |
416 | case 3: |
417 | val = ENABLE_THREE_BYTE; |
418 | break; |
419 | case 4: |
420 | val = ENABLE_FOUR_BYTE; |
421 | break; |
422 | default: |
423 | val = 0xFF; /* invalid option */ |
424 | } |
425 | |
426 | if (val == 0xFF) |
427 | return -EINVAL; |
428 | |
429 | if (reg_debug) { |
430 | int byte; |
431 | |
432 | cx231xx_isocdbg("(pipe 0x%08x): OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>" , |
433 | pipe, |
434 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
435 | req, 0, val, reg & 0xff, |
436 | reg >> 8, len & 0xff, len >> 8); |
437 | |
438 | for (byte = 0; byte < len; byte++) |
439 | cx231xx_isocdbg(" %02x" , (unsigned char)buf[byte]); |
440 | cx231xx_isocdbg("\n" ); |
441 | } |
442 | |
443 | ret = __usb_control_msg(dev, pipe, request: req, |
444 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
445 | value: val, index: reg, data: buf, size: len, HZ); |
446 | |
447 | return ret; |
448 | } |
449 | |
450 | /**************************************************************** |
451 | * USB Alternate Setting functions * |
452 | *****************************************************************/ |
453 | |
454 | int cx231xx_set_video_alternate(struct cx231xx *dev) |
455 | { |
456 | int errCode, prev_alt = dev->video_mode.alt; |
457 | unsigned int min_pkt_size = dev->width * 2 + 4; |
458 | u32 usb_interface_index = 0; |
459 | |
460 | /* When image size is bigger than a certain value, |
461 | the frame size should be increased, otherwise, only |
462 | green screen will be received. |
463 | */ |
464 | if (dev->width * 2 * dev->height > 720 * 240 * 2) |
465 | min_pkt_size *= 2; |
466 | |
467 | if (dev->width > 360) { |
468 | /* resolutions: 720,704,640 */ |
469 | dev->video_mode.alt = 3; |
470 | } else if (dev->width > 180) { |
471 | /* resolutions: 360,352,320,240 */ |
472 | dev->video_mode.alt = 2; |
473 | } else if (dev->width > 0) { |
474 | /* resolutions: 180,176,160,128,88 */ |
475 | dev->video_mode.alt = 1; |
476 | } else { |
477 | /* Change to alt0 BULK to release USB bandwidth */ |
478 | dev->video_mode.alt = 0; |
479 | } |
480 | |
481 | if (dev->USE_ISO == 0) |
482 | dev->video_mode.alt = 0; |
483 | |
484 | cx231xx_coredbg("dev->video_mode.alt= %d\n" , dev->video_mode.alt); |
485 | |
486 | /* Get the correct video interface Index */ |
487 | usb_interface_index = |
488 | dev->current_pcb_config.hs_config_info[0].interface_info. |
489 | video_index + 1; |
490 | |
491 | if (dev->video_mode.alt != prev_alt) { |
492 | cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n" , |
493 | min_pkt_size, dev->video_mode.alt); |
494 | |
495 | if (dev->video_mode.alt_max_pkt_size != NULL) |
496 | dev->video_mode.max_pkt_size = |
497 | dev->video_mode.alt_max_pkt_size[dev->video_mode.alt]; |
498 | cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n" , |
499 | dev->video_mode.alt, |
500 | dev->video_mode.max_pkt_size); |
501 | errCode = |
502 | usb_set_interface(dev: dev->udev, ifnum: usb_interface_index, |
503 | alternate: dev->video_mode.alt); |
504 | if (errCode < 0) { |
505 | dev_err(dev->dev, |
506 | "cannot change alt number to %d (error=%i)\n" , |
507 | dev->video_mode.alt, errCode); |
508 | return errCode; |
509 | } |
510 | } |
511 | return 0; |
512 | } |
513 | |
514 | int cx231xx_set_alt_setting(struct cx231xx *dev, u8 index, u8 alt) |
515 | { |
516 | int status = 0; |
517 | u32 usb_interface_index = 0; |
518 | u32 max_pkt_size = 0; |
519 | |
520 | switch (index) { |
521 | case INDEX_TS1: |
522 | usb_interface_index = |
523 | dev->current_pcb_config.hs_config_info[0].interface_info. |
524 | ts1_index + 1; |
525 | dev->ts1_mode.alt = alt; |
526 | if (dev->ts1_mode.alt_max_pkt_size != NULL) |
527 | max_pkt_size = dev->ts1_mode.max_pkt_size = |
528 | dev->ts1_mode.alt_max_pkt_size[dev->ts1_mode.alt]; |
529 | break; |
530 | case INDEX_TS2: |
531 | usb_interface_index = |
532 | dev->current_pcb_config.hs_config_info[0].interface_info. |
533 | ts2_index + 1; |
534 | break; |
535 | case INDEX_AUDIO: |
536 | usb_interface_index = |
537 | dev->current_pcb_config.hs_config_info[0].interface_info. |
538 | audio_index + 1; |
539 | dev->adev.alt = alt; |
540 | if (dev->adev.alt_max_pkt_size != NULL) |
541 | max_pkt_size = dev->adev.max_pkt_size = |
542 | dev->adev.alt_max_pkt_size[dev->adev.alt]; |
543 | break; |
544 | case INDEX_VIDEO: |
545 | usb_interface_index = |
546 | dev->current_pcb_config.hs_config_info[0].interface_info. |
547 | video_index + 1; |
548 | dev->video_mode.alt = alt; |
549 | if (dev->video_mode.alt_max_pkt_size != NULL) |
550 | max_pkt_size = dev->video_mode.max_pkt_size = |
551 | dev->video_mode.alt_max_pkt_size[dev->video_mode. |
552 | alt]; |
553 | break; |
554 | case INDEX_VANC: |
555 | if (dev->board.no_alt_vanc) |
556 | return 0; |
557 | usb_interface_index = |
558 | dev->current_pcb_config.hs_config_info[0].interface_info. |
559 | vanc_index + 1; |
560 | dev->vbi_mode.alt = alt; |
561 | if (dev->vbi_mode.alt_max_pkt_size != NULL) |
562 | max_pkt_size = dev->vbi_mode.max_pkt_size = |
563 | dev->vbi_mode.alt_max_pkt_size[dev->vbi_mode.alt]; |
564 | break; |
565 | case INDEX_HANC: |
566 | usb_interface_index = |
567 | dev->current_pcb_config.hs_config_info[0].interface_info. |
568 | hanc_index + 1; |
569 | dev->sliced_cc_mode.alt = alt; |
570 | if (dev->sliced_cc_mode.alt_max_pkt_size != NULL) |
571 | max_pkt_size = dev->sliced_cc_mode.max_pkt_size = |
572 | dev->sliced_cc_mode.alt_max_pkt_size[dev-> |
573 | sliced_cc_mode. |
574 | alt]; |
575 | break; |
576 | default: |
577 | break; |
578 | } |
579 | |
580 | if (alt > 0 && max_pkt_size == 0) { |
581 | dev_err(dev->dev, |
582 | "can't change interface %d alt no. to %d: Max. Pkt size = 0\n" , |
583 | usb_interface_index, alt); |
584 | /*To workaround error number=-71 on EP0 for videograbber, |
585 | need add following codes.*/ |
586 | if (dev->board.no_alt_vanc) |
587 | return -1; |
588 | } |
589 | |
590 | cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,Interface = %d\n" , |
591 | alt, max_pkt_size, |
592 | usb_interface_index); |
593 | |
594 | if (usb_interface_index > 0) { |
595 | status = usb_set_interface(dev: dev->udev, ifnum: usb_interface_index, alternate: alt); |
596 | if (status < 0) { |
597 | dev_err(dev->dev, |
598 | "can't change interface %d alt no. to %d (err=%i)\n" , |
599 | usb_interface_index, alt, status); |
600 | return status; |
601 | } |
602 | } |
603 | |
604 | return status; |
605 | } |
606 | EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting); |
607 | |
608 | int cx231xx_gpio_set(struct cx231xx *dev, struct cx231xx_reg_seq *gpio) |
609 | { |
610 | int rc = 0; |
611 | |
612 | if (!gpio) |
613 | return rc; |
614 | |
615 | /* Send GPIO reset sequences specified at board entry */ |
616 | while (gpio->sleep >= 0) { |
617 | rc = cx231xx_set_gpio_value(dev, pin_number: gpio->bit, pin_value: gpio->val); |
618 | if (rc < 0) |
619 | return rc; |
620 | |
621 | if (gpio->sleep > 0) |
622 | msleep(msecs: gpio->sleep); |
623 | |
624 | gpio++; |
625 | } |
626 | return rc; |
627 | } |
628 | |
629 | int cx231xx_demod_reset(struct cx231xx *dev) |
630 | { |
631 | |
632 | u8 status = 0; |
633 | u8 value[4] = { 0, 0, 0, 0 }; |
634 | |
635 | status = cx231xx_read_ctrl_reg(dev, req: VRT_GET_REGISTER, PWR_CTL_EN, |
636 | buf: value, len: 4); |
637 | |
638 | cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n" , PWR_CTL_EN, |
639 | value[0], value[1], value[2], value[3]); |
640 | |
641 | cx231xx_coredbg("Enter cx231xx_demod_reset()\n" ); |
642 | |
643 | value[1] = (u8) 0x3; |
644 | status = cx231xx_write_ctrl_reg(dev, req: VRT_SET_REGISTER, |
645 | PWR_CTL_EN, buf: value, len: 4); |
646 | msleep(msecs: 10); |
647 | |
648 | value[1] = (u8) 0x0; |
649 | status = cx231xx_write_ctrl_reg(dev, req: VRT_SET_REGISTER, |
650 | PWR_CTL_EN, buf: value, len: 4); |
651 | msleep(msecs: 10); |
652 | |
653 | value[1] = (u8) 0x3; |
654 | status = cx231xx_write_ctrl_reg(dev, req: VRT_SET_REGISTER, |
655 | PWR_CTL_EN, buf: value, len: 4); |
656 | msleep(msecs: 10); |
657 | |
658 | status = cx231xx_read_ctrl_reg(dev, req: VRT_GET_REGISTER, PWR_CTL_EN, |
659 | buf: value, len: 4); |
660 | |
661 | cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n" , PWR_CTL_EN, |
662 | value[0], value[1], value[2], value[3]); |
663 | |
664 | return status; |
665 | } |
666 | EXPORT_SYMBOL_GPL(cx231xx_demod_reset); |
667 | int is_fw_load(struct cx231xx *dev) |
668 | { |
669 | return cx231xx_check_fw(dev); |
670 | } |
671 | EXPORT_SYMBOL_GPL(is_fw_load); |
672 | |
673 | int cx231xx_set_mode(struct cx231xx *dev, enum cx231xx_mode set_mode) |
674 | { |
675 | int errCode = 0; |
676 | |
677 | if (dev->mode == set_mode) |
678 | return 0; |
679 | |
680 | if (set_mode == CX231XX_SUSPEND) { |
681 | /* Set the chip in power saving mode */ |
682 | dev->mode = set_mode; |
683 | } |
684 | |
685 | /* Resource is locked */ |
686 | if (dev->mode != CX231XX_SUSPEND) |
687 | return -EINVAL; |
688 | |
689 | dev->mode = set_mode; |
690 | |
691 | if (dev->mode == CX231XX_DIGITAL_MODE)/* Set Digital power mode */ { |
692 | /* set AGC mode to Digital */ |
693 | switch (dev->model) { |
694 | case CX231XX_BOARD_CNXT_CARRAERA: |
695 | case CX231XX_BOARD_CNXT_RDE_250: |
696 | case CX231XX_BOARD_CNXT_SHELBY: |
697 | case CX231XX_BOARD_CNXT_RDU_250: |
698 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, analog_or_digital: 0); |
699 | break; |
700 | case CX231XX_BOARD_CNXT_RDE_253S: |
701 | case CX231XX_BOARD_CNXT_RDU_253S: |
702 | case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: |
703 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, analog_or_digital: 1); |
704 | break; |
705 | case CX231XX_BOARD_HAUPPAUGE_EXETER: |
706 | case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: |
707 | errCode = cx231xx_set_power_mode(dev, |
708 | mode: POLARIS_AVMODE_DIGITAL); |
709 | break; |
710 | default: |
711 | break; |
712 | } |
713 | } else/* Set Analog Power mode */ { |
714 | /* set AGC mode to Analog */ |
715 | switch (dev->model) { |
716 | case CX231XX_BOARD_CNXT_CARRAERA: |
717 | case CX231XX_BOARD_CNXT_RDE_250: |
718 | case CX231XX_BOARD_CNXT_SHELBY: |
719 | case CX231XX_BOARD_CNXT_RDU_250: |
720 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, analog_or_digital: 1); |
721 | break; |
722 | case CX231XX_BOARD_CNXT_RDE_253S: |
723 | case CX231XX_BOARD_CNXT_RDU_253S: |
724 | case CX231XX_BOARD_HAUPPAUGE_EXETER: |
725 | case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: |
726 | case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: |
727 | case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: |
728 | case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: |
729 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, analog_or_digital: 0); |
730 | break; |
731 | default: |
732 | break; |
733 | } |
734 | } |
735 | |
736 | if (errCode < 0) { |
737 | dev_err(dev->dev, "Failed to set devmode to %s: error: %i" , |
738 | dev->mode == CX231XX_DIGITAL_MODE ? "digital" : "analog" , |
739 | errCode); |
740 | return errCode; |
741 | } |
742 | |
743 | return 0; |
744 | } |
745 | EXPORT_SYMBOL_GPL(cx231xx_set_mode); |
746 | |
747 | int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size) |
748 | { |
749 | int errCode = 0; |
750 | int actlen = -1; |
751 | int ret = -ENOMEM; |
752 | u32 *buffer; |
753 | |
754 | buffer = kmemdup(p: firmware, EP5_BUF_SIZE, GFP_KERNEL); |
755 | if (buffer == NULL) |
756 | return -ENOMEM; |
757 | |
758 | ret = usb_bulk_msg(usb_dev: dev->udev, usb_sndbulkpipe(dev->udev, 5), |
759 | data: buffer, EP5_BUF_SIZE, actual_length: &actlen, EP5_TIMEOUT_MS); |
760 | |
761 | if (ret) |
762 | dev_err(dev->dev, |
763 | "bulk message failed: %d (%d/%d)" , ret, |
764 | size, actlen); |
765 | else { |
766 | errCode = actlen != size ? -1 : 0; |
767 | } |
768 | kfree(objp: buffer); |
769 | return errCode; |
770 | } |
771 | |
772 | /***************************************************************** |
773 | * URB Streaming functions * |
774 | ******************************************************************/ |
775 | |
776 | /* |
777 | * IRQ callback, called by URB callback |
778 | */ |
779 | static void cx231xx_isoc_irq_callback(struct urb *urb) |
780 | { |
781 | struct cx231xx_dmaqueue *dma_q = urb->context; |
782 | struct cx231xx_video_mode *vmode = |
783 | container_of(dma_q, struct cx231xx_video_mode, vidq); |
784 | struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); |
785 | unsigned long flags; |
786 | int i; |
787 | |
788 | switch (urb->status) { |
789 | case 0: /* success */ |
790 | case -ETIMEDOUT: /* NAK */ |
791 | break; |
792 | case -ECONNRESET: /* kill */ |
793 | case -ENOENT: |
794 | case -ESHUTDOWN: |
795 | return; |
796 | default: /* error */ |
797 | cx231xx_isocdbg("urb completion error %d.\n" , urb->status); |
798 | break; |
799 | } |
800 | |
801 | /* Copy data from URB */ |
802 | spin_lock_irqsave(&dev->video_mode.slock, flags); |
803 | dev->video_mode.isoc_ctl.isoc_copy(dev, urb); |
804 | spin_unlock_irqrestore(lock: &dev->video_mode.slock, flags); |
805 | |
806 | /* Reset urb buffers */ |
807 | for (i = 0; i < urb->number_of_packets; i++) { |
808 | urb->iso_frame_desc[i].status = 0; |
809 | urb->iso_frame_desc[i].actual_length = 0; |
810 | } |
811 | |
812 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
813 | if (urb->status) { |
814 | cx231xx_isocdbg("urb resubmit failed (error=%i)\n" , |
815 | urb->status); |
816 | } |
817 | } |
818 | /***************************************************************** |
819 | * URB Streaming functions * |
820 | ******************************************************************/ |
821 | |
822 | /* |
823 | * IRQ callback, called by URB callback |
824 | */ |
825 | static void cx231xx_bulk_irq_callback(struct urb *urb) |
826 | { |
827 | struct cx231xx_dmaqueue *dma_q = urb->context; |
828 | struct cx231xx_video_mode *vmode = |
829 | container_of(dma_q, struct cx231xx_video_mode, vidq); |
830 | struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode); |
831 | unsigned long flags; |
832 | |
833 | switch (urb->status) { |
834 | case 0: /* success */ |
835 | case -ETIMEDOUT: /* NAK */ |
836 | break; |
837 | case -ECONNRESET: /* kill */ |
838 | case -ENOENT: |
839 | case -ESHUTDOWN: |
840 | return; |
841 | case -EPIPE: /* stall */ |
842 | cx231xx_isocdbg("urb completion error - device is stalled.\n" ); |
843 | return; |
844 | default: /* error */ |
845 | cx231xx_isocdbg("urb completion error %d.\n" , urb->status); |
846 | break; |
847 | } |
848 | |
849 | /* Copy data from URB */ |
850 | spin_lock_irqsave(&dev->video_mode.slock, flags); |
851 | dev->video_mode.bulk_ctl.bulk_copy(dev, urb); |
852 | spin_unlock_irqrestore(lock: &dev->video_mode.slock, flags); |
853 | |
854 | /* Reset urb buffers */ |
855 | urb->status = usb_submit_urb(urb, GFP_ATOMIC); |
856 | if (urb->status) { |
857 | cx231xx_isocdbg("urb resubmit failed (error=%i)\n" , |
858 | urb->status); |
859 | } |
860 | } |
861 | /* |
862 | * Stop and Deallocate URBs |
863 | */ |
864 | void cx231xx_uninit_isoc(struct cx231xx *dev) |
865 | { |
866 | struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; |
867 | struct urb *urb; |
868 | int i; |
869 | bool broken_pipe = false; |
870 | |
871 | cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n" ); |
872 | |
873 | dev->video_mode.isoc_ctl.nfields = -1; |
874 | for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { |
875 | urb = dev->video_mode.isoc_ctl.urb[i]; |
876 | if (urb) { |
877 | if (!irqs_disabled()) |
878 | usb_kill_urb(urb); |
879 | else |
880 | usb_unlink_urb(urb); |
881 | |
882 | if (dev->video_mode.isoc_ctl.transfer_buffer[i]) { |
883 | usb_free_coherent(dev: dev->udev, |
884 | size: urb->transfer_buffer_length, |
885 | addr: dev->video_mode.isoc_ctl. |
886 | transfer_buffer[i], |
887 | dma: urb->transfer_dma); |
888 | } |
889 | if (urb->status == -EPIPE) { |
890 | broken_pipe = true; |
891 | } |
892 | usb_free_urb(urb); |
893 | dev->video_mode.isoc_ctl.urb[i] = NULL; |
894 | } |
895 | dev->video_mode.isoc_ctl.transfer_buffer[i] = NULL; |
896 | } |
897 | |
898 | if (broken_pipe) { |
899 | cx231xx_isocdbg("Reset endpoint to recover broken pipe." ); |
900 | usb_reset_endpoint(dev: dev->udev, epaddr: dev->video_mode.end_point_addr); |
901 | } |
902 | kfree(objp: dev->video_mode.isoc_ctl.urb); |
903 | kfree(objp: dev->video_mode.isoc_ctl.transfer_buffer); |
904 | kfree(objp: dma_q->p_left_data); |
905 | |
906 | dev->video_mode.isoc_ctl.urb = NULL; |
907 | dev->video_mode.isoc_ctl.transfer_buffer = NULL; |
908 | dev->video_mode.isoc_ctl.num_bufs = 0; |
909 | dma_q->p_left_data = NULL; |
910 | |
911 | if (dev->mode_tv == 0) |
912 | cx231xx_capture_start(dev, start: 0, media_type: Raw_Video); |
913 | else |
914 | cx231xx_capture_start(dev, start: 0, media_type: TS1_serial_mode); |
915 | |
916 | |
917 | } |
918 | EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc); |
919 | |
920 | /* |
921 | * Stop and Deallocate URBs |
922 | */ |
923 | void cx231xx_uninit_bulk(struct cx231xx *dev) |
924 | { |
925 | struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; |
926 | struct urb *urb; |
927 | int i; |
928 | bool broken_pipe = false; |
929 | |
930 | cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n" ); |
931 | |
932 | dev->video_mode.bulk_ctl.nfields = -1; |
933 | for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { |
934 | urb = dev->video_mode.bulk_ctl.urb[i]; |
935 | if (urb) { |
936 | if (!irqs_disabled()) |
937 | usb_kill_urb(urb); |
938 | else |
939 | usb_unlink_urb(urb); |
940 | |
941 | if (dev->video_mode.bulk_ctl.transfer_buffer[i]) { |
942 | usb_free_coherent(dev: dev->udev, |
943 | size: urb->transfer_buffer_length, |
944 | addr: dev->video_mode.bulk_ctl. |
945 | transfer_buffer[i], |
946 | dma: urb->transfer_dma); |
947 | } |
948 | if (urb->status == -EPIPE) { |
949 | broken_pipe = true; |
950 | } |
951 | usb_free_urb(urb); |
952 | dev->video_mode.bulk_ctl.urb[i] = NULL; |
953 | } |
954 | dev->video_mode.bulk_ctl.transfer_buffer[i] = NULL; |
955 | } |
956 | |
957 | if (broken_pipe) { |
958 | cx231xx_isocdbg("Reset endpoint to recover broken pipe." ); |
959 | usb_reset_endpoint(dev: dev->udev, epaddr: dev->video_mode.end_point_addr); |
960 | } |
961 | kfree(objp: dev->video_mode.bulk_ctl.urb); |
962 | kfree(objp: dev->video_mode.bulk_ctl.transfer_buffer); |
963 | kfree(objp: dma_q->p_left_data); |
964 | |
965 | dev->video_mode.bulk_ctl.urb = NULL; |
966 | dev->video_mode.bulk_ctl.transfer_buffer = NULL; |
967 | dev->video_mode.bulk_ctl.num_bufs = 0; |
968 | dma_q->p_left_data = NULL; |
969 | |
970 | if (dev->mode_tv == 0) |
971 | cx231xx_capture_start(dev, start: 0, media_type: Raw_Video); |
972 | else |
973 | cx231xx_capture_start(dev, start: 0, media_type: TS1_serial_mode); |
974 | |
975 | |
976 | } |
977 | EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk); |
978 | |
979 | /* |
980 | * Allocate URBs and start IRQ |
981 | */ |
982 | int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, |
983 | int num_bufs, int max_pkt_size, |
984 | int (*isoc_copy) (struct cx231xx *dev, struct urb *urb)) |
985 | { |
986 | struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; |
987 | int i; |
988 | int sb_size, pipe; |
989 | struct urb *urb; |
990 | int j, k; |
991 | int rc; |
992 | |
993 | /* De-allocates all pending stuff */ |
994 | cx231xx_uninit_isoc(dev); |
995 | |
996 | dma_q->p_left_data = kzalloc(EP5_BUF_SIZE, GFP_KERNEL); |
997 | if (dma_q->p_left_data == NULL) |
998 | return -ENOMEM; |
999 | |
1000 | dev->video_mode.isoc_ctl.isoc_copy = isoc_copy; |
1001 | dev->video_mode.isoc_ctl.num_bufs = num_bufs; |
1002 | dma_q->pos = 0; |
1003 | dma_q->is_partial_line = 0; |
1004 | dma_q->last_sav = 0; |
1005 | dma_q->current_field = -1; |
1006 | dma_q->field1_done = 0; |
1007 | dma_q->lines_per_field = dev->height / 2; |
1008 | dma_q->bytes_left_in_line = dev->width << 1; |
1009 | dma_q->lines_completed = 0; |
1010 | dma_q->mpeg_buffer_done = 0; |
1011 | dma_q->left_data_count = 0; |
1012 | dma_q->mpeg_buffer_completed = 0; |
1013 | dma_q->add_ps_package_head = CX231XX_NEED_ADD_PS_PACKAGE_HEAD; |
1014 | dma_q->ps_head[0] = 0x00; |
1015 | dma_q->ps_head[1] = 0x00; |
1016 | dma_q->ps_head[2] = 0x01; |
1017 | dma_q->ps_head[3] = 0xBA; |
1018 | for (i = 0; i < 8; i++) |
1019 | dma_q->partial_buf[i] = 0; |
1020 | |
1021 | dev->video_mode.isoc_ctl.urb = |
1022 | kcalloc(n: num_bufs, size: sizeof(void *), GFP_KERNEL); |
1023 | if (!dev->video_mode.isoc_ctl.urb) { |
1024 | dev_err(dev->dev, |
1025 | "cannot alloc memory for usb buffers\n" ); |
1026 | kfree(objp: dma_q->p_left_data); |
1027 | return -ENOMEM; |
1028 | } |
1029 | |
1030 | dev->video_mode.isoc_ctl.transfer_buffer = |
1031 | kcalloc(n: num_bufs, size: sizeof(void *), GFP_KERNEL); |
1032 | if (!dev->video_mode.isoc_ctl.transfer_buffer) { |
1033 | dev_err(dev->dev, |
1034 | "cannot allocate memory for usbtransfer\n" ); |
1035 | kfree(objp: dev->video_mode.isoc_ctl.urb); |
1036 | kfree(objp: dma_q->p_left_data); |
1037 | return -ENOMEM; |
1038 | } |
1039 | |
1040 | dev->video_mode.isoc_ctl.max_pkt_size = max_pkt_size; |
1041 | dev->video_mode.isoc_ctl.buf = NULL; |
1042 | |
1043 | sb_size = max_packets * dev->video_mode.isoc_ctl.max_pkt_size; |
1044 | |
1045 | if (dev->mode_tv == 1) |
1046 | dev->video_mode.end_point_addr = 0x81; |
1047 | else |
1048 | dev->video_mode.end_point_addr = 0x84; |
1049 | |
1050 | |
1051 | /* allocate urbs and transfer buffers */ |
1052 | for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { |
1053 | urb = usb_alloc_urb(iso_packets: max_packets, GFP_KERNEL); |
1054 | if (!urb) { |
1055 | cx231xx_uninit_isoc(dev); |
1056 | return -ENOMEM; |
1057 | } |
1058 | dev->video_mode.isoc_ctl.urb[i] = urb; |
1059 | |
1060 | dev->video_mode.isoc_ctl.transfer_buffer[i] = |
1061 | usb_alloc_coherent(dev: dev->udev, size: sb_size, GFP_KERNEL, |
1062 | dma: &urb->transfer_dma); |
1063 | if (!dev->video_mode.isoc_ctl.transfer_buffer[i]) { |
1064 | dev_err(dev->dev, |
1065 | "unable to allocate %i bytes for transfer buffer %i\n" , |
1066 | sb_size, i); |
1067 | cx231xx_uninit_isoc(dev); |
1068 | return -ENOMEM; |
1069 | } |
1070 | memset(dev->video_mode.isoc_ctl.transfer_buffer[i], 0, sb_size); |
1071 | |
1072 | pipe = |
1073 | usb_rcvisocpipe(dev->udev, dev->video_mode.end_point_addr); |
1074 | |
1075 | usb_fill_int_urb(urb, dev: dev->udev, pipe, |
1076 | transfer_buffer: dev->video_mode.isoc_ctl.transfer_buffer[i], |
1077 | buffer_length: sb_size, complete_fn: cx231xx_isoc_irq_callback, context: dma_q, interval: 1); |
1078 | |
1079 | urb->number_of_packets = max_packets; |
1080 | urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; |
1081 | |
1082 | k = 0; |
1083 | for (j = 0; j < max_packets; j++) { |
1084 | urb->iso_frame_desc[j].offset = k; |
1085 | urb->iso_frame_desc[j].length = |
1086 | dev->video_mode.isoc_ctl.max_pkt_size; |
1087 | k += dev->video_mode.isoc_ctl.max_pkt_size; |
1088 | } |
1089 | } |
1090 | |
1091 | init_waitqueue_head(&dma_q->wq); |
1092 | |
1093 | /* submit urbs and enables IRQ */ |
1094 | for (i = 0; i < dev->video_mode.isoc_ctl.num_bufs; i++) { |
1095 | rc = usb_submit_urb(urb: dev->video_mode.isoc_ctl.urb[i], |
1096 | GFP_ATOMIC); |
1097 | if (rc) { |
1098 | dev_err(dev->dev, |
1099 | "submit of urb %i failed (error=%i)\n" , i, |
1100 | rc); |
1101 | cx231xx_uninit_isoc(dev); |
1102 | return rc; |
1103 | } |
1104 | } |
1105 | |
1106 | if (dev->mode_tv == 0) |
1107 | cx231xx_capture_start(dev, start: 1, media_type: Raw_Video); |
1108 | else |
1109 | cx231xx_capture_start(dev, start: 1, media_type: TS1_serial_mode); |
1110 | |
1111 | return 0; |
1112 | } |
1113 | EXPORT_SYMBOL_GPL(cx231xx_init_isoc); |
1114 | |
1115 | /* |
1116 | * Allocate URBs and start IRQ |
1117 | */ |
1118 | int cx231xx_init_bulk(struct cx231xx *dev, int max_packets, |
1119 | int num_bufs, int max_pkt_size, |
1120 | int (*bulk_copy) (struct cx231xx *dev, struct urb *urb)) |
1121 | { |
1122 | struct cx231xx_dmaqueue *dma_q = &dev->video_mode.vidq; |
1123 | int i; |
1124 | int sb_size, pipe; |
1125 | struct urb *urb; |
1126 | int rc; |
1127 | |
1128 | dev->video_input = dev->video_input > 2 ? 2 : dev->video_input; |
1129 | |
1130 | cx231xx_coredbg("Setting Video mux to %d\n" , dev->video_input); |
1131 | |
1132 | video_mux(dev, index: dev->video_input); |
1133 | |
1134 | /* De-allocates all pending stuff */ |
1135 | cx231xx_uninit_bulk(dev); |
1136 | |
1137 | dev->video_mode.bulk_ctl.bulk_copy = bulk_copy; |
1138 | dev->video_mode.bulk_ctl.num_bufs = num_bufs; |
1139 | dma_q->pos = 0; |
1140 | dma_q->is_partial_line = 0; |
1141 | dma_q->last_sav = 0; |
1142 | dma_q->current_field = -1; |
1143 | dma_q->field1_done = 0; |
1144 | dma_q->lines_per_field = dev->height / 2; |
1145 | dma_q->bytes_left_in_line = dev->width << 1; |
1146 | dma_q->lines_completed = 0; |
1147 | dma_q->mpeg_buffer_done = 0; |
1148 | dma_q->left_data_count = 0; |
1149 | dma_q->mpeg_buffer_completed = 0; |
1150 | dma_q->ps_head[0] = 0x00; |
1151 | dma_q->ps_head[1] = 0x00; |
1152 | dma_q->ps_head[2] = 0x01; |
1153 | dma_q->ps_head[3] = 0xBA; |
1154 | for (i = 0; i < 8; i++) |
1155 | dma_q->partial_buf[i] = 0; |
1156 | |
1157 | dev->video_mode.bulk_ctl.urb = |
1158 | kcalloc(n: num_bufs, size: sizeof(void *), GFP_KERNEL); |
1159 | if (!dev->video_mode.bulk_ctl.urb) { |
1160 | dev_err(dev->dev, |
1161 | "cannot alloc memory for usb buffers\n" ); |
1162 | return -ENOMEM; |
1163 | } |
1164 | |
1165 | dev->video_mode.bulk_ctl.transfer_buffer = |
1166 | kcalloc(n: num_bufs, size: sizeof(void *), GFP_KERNEL); |
1167 | if (!dev->video_mode.bulk_ctl.transfer_buffer) { |
1168 | dev_err(dev->dev, |
1169 | "cannot allocate memory for usbtransfer\n" ); |
1170 | kfree(objp: dev->video_mode.bulk_ctl.urb); |
1171 | return -ENOMEM; |
1172 | } |
1173 | |
1174 | dev->video_mode.bulk_ctl.max_pkt_size = max_pkt_size; |
1175 | dev->video_mode.bulk_ctl.buf = NULL; |
1176 | |
1177 | sb_size = max_packets * dev->video_mode.bulk_ctl.max_pkt_size; |
1178 | |
1179 | if (dev->mode_tv == 1) |
1180 | dev->video_mode.end_point_addr = 0x81; |
1181 | else |
1182 | dev->video_mode.end_point_addr = 0x84; |
1183 | |
1184 | |
1185 | /* allocate urbs and transfer buffers */ |
1186 | for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { |
1187 | urb = usb_alloc_urb(iso_packets: 0, GFP_KERNEL); |
1188 | if (!urb) { |
1189 | cx231xx_uninit_bulk(dev); |
1190 | return -ENOMEM; |
1191 | } |
1192 | dev->video_mode.bulk_ctl.urb[i] = urb; |
1193 | urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP; |
1194 | |
1195 | dev->video_mode.bulk_ctl.transfer_buffer[i] = |
1196 | usb_alloc_coherent(dev: dev->udev, size: sb_size, GFP_KERNEL, |
1197 | dma: &urb->transfer_dma); |
1198 | if (!dev->video_mode.bulk_ctl.transfer_buffer[i]) { |
1199 | dev_err(dev->dev, |
1200 | "unable to allocate %i bytes for transfer buffer %i\n" , |
1201 | sb_size, i); |
1202 | cx231xx_uninit_bulk(dev); |
1203 | return -ENOMEM; |
1204 | } |
1205 | memset(dev->video_mode.bulk_ctl.transfer_buffer[i], 0, sb_size); |
1206 | |
1207 | pipe = usb_rcvbulkpipe(dev->udev, |
1208 | dev->video_mode.end_point_addr); |
1209 | usb_fill_bulk_urb(urb, dev: dev->udev, pipe, |
1210 | transfer_buffer: dev->video_mode.bulk_ctl.transfer_buffer[i], |
1211 | buffer_length: sb_size, complete_fn: cx231xx_bulk_irq_callback, context: dma_q); |
1212 | } |
1213 | |
1214 | /* clear halt */ |
1215 | rc = usb_clear_halt(dev: dev->udev, pipe: dev->video_mode.bulk_ctl.urb[0]->pipe); |
1216 | if (rc < 0) { |
1217 | dev_err(dev->dev, |
1218 | "failed to clear USB bulk endpoint stall/halt condition (error=%i)\n" , |
1219 | rc); |
1220 | cx231xx_uninit_bulk(dev); |
1221 | return rc; |
1222 | } |
1223 | |
1224 | init_waitqueue_head(&dma_q->wq); |
1225 | |
1226 | /* submit urbs and enables IRQ */ |
1227 | for (i = 0; i < dev->video_mode.bulk_ctl.num_bufs; i++) { |
1228 | rc = usb_submit_urb(urb: dev->video_mode.bulk_ctl.urb[i], |
1229 | GFP_ATOMIC); |
1230 | if (rc) { |
1231 | dev_err(dev->dev, |
1232 | "submit of urb %i failed (error=%i)\n" , i, rc); |
1233 | cx231xx_uninit_bulk(dev); |
1234 | return rc; |
1235 | } |
1236 | } |
1237 | |
1238 | if (dev->mode_tv == 0) |
1239 | cx231xx_capture_start(dev, start: 1, media_type: Raw_Video); |
1240 | else |
1241 | cx231xx_capture_start(dev, start: 1, media_type: TS1_serial_mode); |
1242 | |
1243 | return 0; |
1244 | } |
1245 | EXPORT_SYMBOL_GPL(cx231xx_init_bulk); |
1246 | void cx231xx_stop_TS1(struct cx231xx *dev) |
1247 | { |
1248 | u8 val[4] = { 0, 0, 0, 0 }; |
1249 | |
1250 | val[0] = 0x00; |
1251 | val[1] = 0x03; |
1252 | val[2] = 0x00; |
1253 | val[3] = 0x00; |
1254 | cx231xx_write_ctrl_reg(dev, req: VRT_SET_REGISTER, |
1255 | TS_MODE_REG, buf: val, len: 4); |
1256 | |
1257 | val[0] = 0x00; |
1258 | val[1] = 0x70; |
1259 | val[2] = 0x04; |
1260 | val[3] = 0x00; |
1261 | cx231xx_write_ctrl_reg(dev, req: VRT_SET_REGISTER, |
1262 | TS1_CFG_REG, buf: val, len: 4); |
1263 | } |
1264 | /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */ |
1265 | void cx231xx_start_TS1(struct cx231xx *dev) |
1266 | { |
1267 | u8 val[4] = { 0, 0, 0, 0 }; |
1268 | |
1269 | val[0] = 0x03; |
1270 | val[1] = 0x03; |
1271 | val[2] = 0x00; |
1272 | val[3] = 0x00; |
1273 | cx231xx_write_ctrl_reg(dev, req: VRT_SET_REGISTER, |
1274 | TS_MODE_REG, buf: val, len: 4); |
1275 | |
1276 | val[0] = 0x04; |
1277 | val[1] = 0xA3; |
1278 | val[2] = 0x3B; |
1279 | val[3] = 0x00; |
1280 | cx231xx_write_ctrl_reg(dev, req: VRT_SET_REGISTER, |
1281 | TS1_CFG_REG, buf: val, len: 4); |
1282 | } |
1283 | /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */ |
1284 | /***************************************************************** |
1285 | * Device Init/UnInit functions * |
1286 | ******************************************************************/ |
1287 | int cx231xx_dev_init(struct cx231xx *dev) |
1288 | { |
1289 | int errCode = 0; |
1290 | |
1291 | /* Initialize I2C bus */ |
1292 | |
1293 | /* External Master 1 Bus */ |
1294 | dev->i2c_bus[0].nr = 0; |
1295 | dev->i2c_bus[0].dev = dev; |
1296 | dev->i2c_bus[0].i2c_period = I2C_SPEED_100K; /* 100 KHz */ |
1297 | dev->i2c_bus[0].i2c_nostop = 0; |
1298 | dev->i2c_bus[0].i2c_reserve = 0; |
1299 | dev->i2c_bus[0].i2c_rc = -ENODEV; |
1300 | |
1301 | /* External Master 2 Bus */ |
1302 | dev->i2c_bus[1].nr = 1; |
1303 | dev->i2c_bus[1].dev = dev; |
1304 | dev->i2c_bus[1].i2c_period = I2C_SPEED_100K; /* 100 KHz */ |
1305 | dev->i2c_bus[1].i2c_nostop = 0; |
1306 | dev->i2c_bus[1].i2c_reserve = 0; |
1307 | dev->i2c_bus[1].i2c_rc = -ENODEV; |
1308 | |
1309 | /* Internal Master 3 Bus */ |
1310 | dev->i2c_bus[2].nr = 2; |
1311 | dev->i2c_bus[2].dev = dev; |
1312 | dev->i2c_bus[2].i2c_period = I2C_SPEED_100K; /* 100kHz */ |
1313 | dev->i2c_bus[2].i2c_nostop = 0; |
1314 | dev->i2c_bus[2].i2c_reserve = 0; |
1315 | dev->i2c_bus[2].i2c_rc = -ENODEV; |
1316 | |
1317 | /* register I2C buses */ |
1318 | errCode = cx231xx_i2c_register(bus: &dev->i2c_bus[0]); |
1319 | if (errCode < 0) |
1320 | return errCode; |
1321 | errCode = cx231xx_i2c_register(bus: &dev->i2c_bus[1]); |
1322 | if (errCode < 0) |
1323 | return errCode; |
1324 | errCode = cx231xx_i2c_register(bus: &dev->i2c_bus[2]); |
1325 | if (errCode < 0) |
1326 | return errCode; |
1327 | |
1328 | errCode = cx231xx_i2c_mux_create(dev); |
1329 | if (errCode < 0) { |
1330 | dev_err(dev->dev, |
1331 | "%s: Failed to create I2C mux\n" , __func__); |
1332 | return errCode; |
1333 | } |
1334 | errCode = cx231xx_i2c_mux_register(dev, mux_no: 0); |
1335 | if (errCode < 0) |
1336 | return errCode; |
1337 | |
1338 | errCode = cx231xx_i2c_mux_register(dev, mux_no: 1); |
1339 | if (errCode < 0) |
1340 | return errCode; |
1341 | |
1342 | /* scan the real bus segments in the order of physical port numbers */ |
1343 | cx231xx_do_i2c_scan(dev, i2c_port: I2C_0); |
1344 | cx231xx_do_i2c_scan(dev, i2c_port: I2C_1_MUX_1); |
1345 | cx231xx_do_i2c_scan(dev, i2c_port: I2C_2); |
1346 | cx231xx_do_i2c_scan(dev, i2c_port: I2C_1_MUX_3); |
1347 | |
1348 | /* init hardware */ |
1349 | /* Note : with out calling set power mode function, |
1350 | afe can not be set up correctly */ |
1351 | if (dev->board.external_av) { |
1352 | errCode = cx231xx_set_power_mode(dev, |
1353 | mode: POLARIS_AVMODE_ENXTERNAL_AV); |
1354 | if (errCode < 0) { |
1355 | dev_err(dev->dev, |
1356 | "%s: Failed to set Power - errCode [%d]!\n" , |
1357 | __func__, errCode); |
1358 | return errCode; |
1359 | } |
1360 | } else { |
1361 | errCode = cx231xx_set_power_mode(dev, |
1362 | mode: POLARIS_AVMODE_ANALOGT_TV); |
1363 | if (errCode < 0) { |
1364 | dev_err(dev->dev, |
1365 | "%s: Failed to set Power - errCode [%d]!\n" , |
1366 | __func__, errCode); |
1367 | return errCode; |
1368 | } |
1369 | } |
1370 | |
1371 | /* reset the Tuner, if it is a Xceive tuner */ |
1372 | if ((dev->board.tuner_type == TUNER_XC5000) || |
1373 | (dev->board.tuner_type == TUNER_XC2028)) |
1374 | cx231xx_gpio_set(dev, gpio: dev->board.tuner_gpio); |
1375 | |
1376 | /* initialize Colibri block */ |
1377 | errCode = cx231xx_afe_init_super_block(dev, ref_count: 0x23c); |
1378 | if (errCode < 0) { |
1379 | dev_err(dev->dev, |
1380 | "%s: cx231xx_afe init super block - errCode [%d]!\n" , |
1381 | __func__, errCode); |
1382 | return errCode; |
1383 | } |
1384 | errCode = cx231xx_afe_init_channels(dev); |
1385 | if (errCode < 0) { |
1386 | dev_err(dev->dev, |
1387 | "%s: cx231xx_afe init channels - errCode [%d]!\n" , |
1388 | __func__, errCode); |
1389 | return errCode; |
1390 | } |
1391 | |
1392 | /* Set DIF in By pass mode */ |
1393 | errCode = cx231xx_dif_set_standard(dev, DIF_USE_BASEBAND); |
1394 | if (errCode < 0) { |
1395 | dev_err(dev->dev, |
1396 | "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n" , |
1397 | __func__, errCode); |
1398 | return errCode; |
1399 | } |
1400 | |
1401 | /* I2S block related functions */ |
1402 | errCode = cx231xx_i2s_blk_initialize(dev); |
1403 | if (errCode < 0) { |
1404 | dev_err(dev->dev, |
1405 | "%s: cx231xx_i2s block initialize - errCode [%d]!\n" , |
1406 | __func__, errCode); |
1407 | return errCode; |
1408 | } |
1409 | |
1410 | /* init control pins */ |
1411 | errCode = cx231xx_init_ctrl_pin_status(dev); |
1412 | if (errCode < 0) { |
1413 | dev_err(dev->dev, |
1414 | "%s: cx231xx_init ctrl pins - errCode [%d]!\n" , |
1415 | __func__, errCode); |
1416 | return errCode; |
1417 | } |
1418 | |
1419 | /* set AGC mode to Analog */ |
1420 | switch (dev->model) { |
1421 | case CX231XX_BOARD_CNXT_CARRAERA: |
1422 | case CX231XX_BOARD_CNXT_RDE_250: |
1423 | case CX231XX_BOARD_CNXT_SHELBY: |
1424 | case CX231XX_BOARD_CNXT_RDU_250: |
1425 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, analog_or_digital: 1); |
1426 | break; |
1427 | case CX231XX_BOARD_CNXT_RDE_253S: |
1428 | case CX231XX_BOARD_CNXT_RDU_253S: |
1429 | case CX231XX_BOARD_HAUPPAUGE_EXETER: |
1430 | case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx: |
1431 | case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID: |
1432 | case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL: |
1433 | case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC: |
1434 | errCode = cx231xx_set_agc_analog_digital_mux_select(dev, analog_or_digital: 0); |
1435 | break; |
1436 | default: |
1437 | break; |
1438 | } |
1439 | if (errCode < 0) { |
1440 | dev_err(dev->dev, |
1441 | "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n" , |
1442 | __func__, errCode); |
1443 | return errCode; |
1444 | } |
1445 | |
1446 | /* set all alternate settings to zero initially */ |
1447 | cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0); |
1448 | cx231xx_set_alt_setting(dev, INDEX_VANC, 0); |
1449 | cx231xx_set_alt_setting(dev, INDEX_HANC, 0); |
1450 | if (dev->board.has_dvb) |
1451 | cx231xx_set_alt_setting(dev, INDEX_TS1, 0); |
1452 | |
1453 | errCode = 0; |
1454 | return errCode; |
1455 | } |
1456 | EXPORT_SYMBOL_GPL(cx231xx_dev_init); |
1457 | |
1458 | void cx231xx_dev_uninit(struct cx231xx *dev) |
1459 | { |
1460 | /* Un Initialize I2C bus */ |
1461 | cx231xx_i2c_mux_unregister(dev); |
1462 | cx231xx_i2c_unregister(bus: &dev->i2c_bus[2]); |
1463 | cx231xx_i2c_unregister(bus: &dev->i2c_bus[1]); |
1464 | cx231xx_i2c_unregister(bus: &dev->i2c_bus[0]); |
1465 | } |
1466 | EXPORT_SYMBOL_GPL(cx231xx_dev_uninit); |
1467 | |
1468 | /***************************************************************** |
1469 | * G P I O related functions * |
1470 | ******************************************************************/ |
1471 | int cx231xx_send_gpio_cmd(struct cx231xx *dev, u32 gpio_bit, u8 *gpio_val, |
1472 | u8 len, u8 request, u8 direction) |
1473 | { |
1474 | int status = 0; |
1475 | struct VENDOR_REQUEST_IN ven_req; |
1476 | |
1477 | /* Set wValue */ |
1478 | ven_req.wValue = (u16) (gpio_bit >> 16 & 0xffff); |
1479 | |
1480 | /* set request */ |
1481 | if (!request) { |
1482 | if (direction) |
1483 | ven_req.bRequest = VRT_GET_GPIO; /* 0x9 gpio */ |
1484 | else |
1485 | ven_req.bRequest = VRT_SET_GPIO; /* 0x8 gpio */ |
1486 | } else { |
1487 | if (direction) |
1488 | ven_req.bRequest = VRT_GET_GPIE; /* 0xb gpie */ |
1489 | else |
1490 | ven_req.bRequest = VRT_SET_GPIE; /* 0xa gpie */ |
1491 | } |
1492 | |
1493 | /* set index value */ |
1494 | ven_req.wIndex = (u16) (gpio_bit & 0xffff); |
1495 | |
1496 | /* set wLength value */ |
1497 | ven_req.wLength = len; |
1498 | |
1499 | /* set bData value */ |
1500 | ven_req.bData = 0; |
1501 | |
1502 | /* set the buffer for read / write */ |
1503 | ven_req.pBuff = gpio_val; |
1504 | |
1505 | /* set the direction */ |
1506 | if (direction) { |
1507 | ven_req.direction = USB_DIR_IN; |
1508 | memset(ven_req.pBuff, 0x00, ven_req.wLength); |
1509 | } else |
1510 | ven_req.direction = USB_DIR_OUT; |
1511 | |
1512 | |
1513 | /* call common vendor command request */ |
1514 | status = cx231xx_send_vendor_cmd(dev, ven_req: &ven_req); |
1515 | if (status < 0) { |
1516 | dev_err(dev->dev, "%s: failed with status -%d\n" , |
1517 | __func__, status); |
1518 | } |
1519 | |
1520 | return status; |
1521 | } |
1522 | EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd); |
1523 | |
1524 | /***************************************************************** |
1525 | * C O N T R O L - Register R E A D / W R I T E functions * |
1526 | *****************************************************************/ |
1527 | int cx231xx_mode_register(struct cx231xx *dev, u16 address, u32 mode) |
1528 | { |
1529 | u8 value[4] = { 0x0, 0x0, 0x0, 0x0 }; |
1530 | u32 tmp = 0; |
1531 | int status = 0; |
1532 | |
1533 | status = |
1534 | cx231xx_read_ctrl_reg(dev, req: VRT_GET_REGISTER, reg: address, buf: value, len: 4); |
1535 | if (status < 0) |
1536 | return status; |
1537 | |
1538 | tmp = le32_to_cpu(*((__le32 *) value)); |
1539 | tmp |= mode; |
1540 | |
1541 | value[0] = (u8) tmp; |
1542 | value[1] = (u8) (tmp >> 8); |
1543 | value[2] = (u8) (tmp >> 16); |
1544 | value[3] = (u8) (tmp >> 24); |
1545 | |
1546 | status = |
1547 | cx231xx_write_ctrl_reg(dev, req: VRT_SET_REGISTER, reg: address, buf: value, len: 4); |
1548 | |
1549 | return status; |
1550 | } |
1551 | |
1552 | /***************************************************************** |
1553 | * I 2 C Internal C O N T R O L functions * |
1554 | *****************************************************************/ |
1555 | int cx231xx_read_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, |
1556 | u8 saddr_len, u32 *data, u8 data_len, int master) |
1557 | { |
1558 | int status = 0; |
1559 | struct cx231xx_i2c_xfer_data req_data; |
1560 | u8 value[64] = "0" ; |
1561 | |
1562 | if (saddr_len == 0) |
1563 | saddr = 0; |
1564 | else if (saddr_len == 1) |
1565 | saddr &= 0xff; |
1566 | |
1567 | /* prepare xfer_data struct */ |
1568 | req_data.dev_addr = dev_addr >> 1; |
1569 | req_data.direction = I2C_M_RD; |
1570 | req_data.saddr_len = saddr_len; |
1571 | req_data.saddr_dat = saddr; |
1572 | req_data.buf_size = data_len; |
1573 | req_data.p_buffer = (u8 *) value; |
1574 | |
1575 | /* usb send command */ |
1576 | if (master == 0) |
1577 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], |
1578 | &req_data); |
1579 | else if (master == 1) |
1580 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], |
1581 | &req_data); |
1582 | else if (master == 2) |
1583 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], |
1584 | &req_data); |
1585 | |
1586 | if (status >= 0) { |
1587 | /* Copy the data read back to main buffer */ |
1588 | if (data_len == 1) |
1589 | *data = value[0]; |
1590 | else if (data_len == 4) |
1591 | *data = |
1592 | value[0] | value[1] << 8 | value[2] << 16 | value[3] |
1593 | << 24; |
1594 | else if (data_len > 4) |
1595 | *data = value[saddr]; |
1596 | } |
1597 | |
1598 | return status; |
1599 | } |
1600 | |
1601 | int cx231xx_write_i2c_master(struct cx231xx *dev, u8 dev_addr, u16 saddr, |
1602 | u8 saddr_len, u32 data, u8 data_len, int master) |
1603 | { |
1604 | int status = 0; |
1605 | u8 value[4] = { 0, 0, 0, 0 }; |
1606 | struct cx231xx_i2c_xfer_data req_data; |
1607 | |
1608 | value[0] = (u8) data; |
1609 | value[1] = (u8) (data >> 8); |
1610 | value[2] = (u8) (data >> 16); |
1611 | value[3] = (u8) (data >> 24); |
1612 | |
1613 | if (saddr_len == 0) |
1614 | saddr = 0; |
1615 | else if (saddr_len == 1) |
1616 | saddr &= 0xff; |
1617 | |
1618 | /* prepare xfer_data struct */ |
1619 | req_data.dev_addr = dev_addr >> 1; |
1620 | req_data.direction = 0; |
1621 | req_data.saddr_len = saddr_len; |
1622 | req_data.saddr_dat = saddr; |
1623 | req_data.buf_size = data_len; |
1624 | req_data.p_buffer = value; |
1625 | |
1626 | /* usb send command */ |
1627 | if (master == 0) |
1628 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], |
1629 | &req_data); |
1630 | else if (master == 1) |
1631 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[1], |
1632 | &req_data); |
1633 | else if (master == 2) |
1634 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[2], |
1635 | &req_data); |
1636 | |
1637 | return status; |
1638 | } |
1639 | |
1640 | int cx231xx_read_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, |
1641 | u8 saddr_len, u32 *data, u8 data_len) |
1642 | { |
1643 | int status = 0; |
1644 | struct cx231xx_i2c_xfer_data req_data; |
1645 | u8 value[4] = { 0, 0, 0, 0 }; |
1646 | |
1647 | if (saddr_len == 0) |
1648 | saddr = 0; |
1649 | else if (saddr_len == 1) |
1650 | saddr &= 0xff; |
1651 | |
1652 | /* prepare xfer_data struct */ |
1653 | req_data.dev_addr = dev_addr >> 1; |
1654 | req_data.direction = I2C_M_RD; |
1655 | req_data.saddr_len = saddr_len; |
1656 | req_data.saddr_dat = saddr; |
1657 | req_data.buf_size = data_len; |
1658 | req_data.p_buffer = (u8 *) value; |
1659 | |
1660 | /* usb send command */ |
1661 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); |
1662 | |
1663 | if (status >= 0) { |
1664 | /* Copy the data read back to main buffer */ |
1665 | if (data_len == 1) |
1666 | *data = value[0]; |
1667 | else |
1668 | *data = |
1669 | value[0] | value[1] << 8 | value[2] << 16 | value[3] |
1670 | << 24; |
1671 | } |
1672 | |
1673 | return status; |
1674 | } |
1675 | |
1676 | int cx231xx_write_i2c_data(struct cx231xx *dev, u8 dev_addr, u16 saddr, |
1677 | u8 saddr_len, u32 data, u8 data_len) |
1678 | { |
1679 | int status = 0; |
1680 | u8 value[4] = { 0, 0, 0, 0 }; |
1681 | struct cx231xx_i2c_xfer_data req_data; |
1682 | |
1683 | value[0] = (u8) data; |
1684 | value[1] = (u8) (data >> 8); |
1685 | value[2] = (u8) (data >> 16); |
1686 | value[3] = (u8) (data >> 24); |
1687 | |
1688 | if (saddr_len == 0) |
1689 | saddr = 0; |
1690 | else if (saddr_len == 1) |
1691 | saddr &= 0xff; |
1692 | |
1693 | /* prepare xfer_data struct */ |
1694 | req_data.dev_addr = dev_addr >> 1; |
1695 | req_data.direction = 0; |
1696 | req_data.saddr_len = saddr_len; |
1697 | req_data.saddr_dat = saddr; |
1698 | req_data.buf_size = data_len; |
1699 | req_data.p_buffer = value; |
1700 | |
1701 | /* usb send command */ |
1702 | status = dev->cx231xx_send_usb_command(&dev->i2c_bus[0], &req_data); |
1703 | |
1704 | return status; |
1705 | } |
1706 | |
1707 | int cx231xx_reg_mask_write(struct cx231xx *dev, u8 dev_addr, u8 size, |
1708 | u16 register_address, u8 bit_start, u8 bit_end, |
1709 | u32 value) |
1710 | { |
1711 | int status = 0; |
1712 | u32 tmp; |
1713 | u32 mask = 0; |
1714 | int i; |
1715 | |
1716 | if (bit_start > (size - 1) || bit_end > (size - 1)) |
1717 | return -1; |
1718 | |
1719 | if (size == 8) { |
1720 | status = |
1721 | cx231xx_read_i2c_data(dev, dev_addr, saddr: register_address, saddr_len: 2, |
1722 | data: &tmp, data_len: 1); |
1723 | } else { |
1724 | status = |
1725 | cx231xx_read_i2c_data(dev, dev_addr, saddr: register_address, saddr_len: 2, |
1726 | data: &tmp, data_len: 4); |
1727 | } |
1728 | |
1729 | if (status < 0) |
1730 | return status; |
1731 | |
1732 | mask = 1 << bit_end; |
1733 | for (i = bit_end; i > bit_start && i > 0; i--) |
1734 | mask = mask + (1 << (i - 1)); |
1735 | |
1736 | value <<= bit_start; |
1737 | |
1738 | if (size == 8) { |
1739 | tmp &= ~mask; |
1740 | tmp |= value; |
1741 | tmp &= 0xff; |
1742 | status = |
1743 | cx231xx_write_i2c_data(dev, dev_addr, saddr: register_address, saddr_len: 2, |
1744 | data: tmp, data_len: 1); |
1745 | } else { |
1746 | tmp &= ~mask; |
1747 | tmp |= value; |
1748 | status = |
1749 | cx231xx_write_i2c_data(dev, dev_addr, saddr: register_address, saddr_len: 2, |
1750 | data: tmp, data_len: 4); |
1751 | } |
1752 | |
1753 | return status; |
1754 | } |
1755 | |
1756 | int cx231xx_read_modify_write_i2c_dword(struct cx231xx *dev, u8 dev_addr, |
1757 | u16 saddr, u32 mask, u32 value) |
1758 | { |
1759 | u32 temp; |
1760 | int status = 0; |
1761 | |
1762 | status = cx231xx_read_i2c_data(dev, dev_addr, saddr, saddr_len: 2, data: &temp, data_len: 4); |
1763 | |
1764 | if (status < 0) |
1765 | return status; |
1766 | |
1767 | temp &= ~mask; |
1768 | temp |= value; |
1769 | |
1770 | status = cx231xx_write_i2c_data(dev, dev_addr, saddr, saddr_len: 2, data: temp, data_len: 4); |
1771 | |
1772 | return status; |
1773 | } |
1774 | |
1775 | u32 cx231xx_set_field(u32 field_mask, u32 data) |
1776 | { |
1777 | u32 temp; |
1778 | |
1779 | for (temp = field_mask; (temp & 1) == 0; temp >>= 1) |
1780 | data <<= 1; |
1781 | |
1782 | return data; |
1783 | } |
1784 | |