2 cx231xx-core.c - driver for Conexant Cx23100/101/102
3 USB video capture devices
5 Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
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.
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.
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.
24 #include <linux/init.h>
25 #include <linux/list.h>
26 #include <linux/module.h>
27 #include <linux/slab.h>
28 #include <linux/vmalloc.h>
29 #include <media/v4l2-common.h>
30 #include <media/tuner.h>
32 #include "cx231xx-reg.h"
34 /* #define ENABLE_DEBUG_ISOC_FRAMES */
36 static unsigned int core_debug
;
37 module_param(core_debug
, int, 0644);
38 MODULE_PARM_DESC(core_debug
, "enable debug messages [core]");
40 #define cx231xx_coredbg(fmt, arg...) do {\
42 printk(KERN_INFO "%s %s :"fmt, \
43 dev->name, __func__ , ##arg); } while (0)
45 static unsigned int reg_debug
;
46 module_param(reg_debug
, int, 0644);
47 MODULE_PARM_DESC(reg_debug
, "enable debug messages [URB reg]");
49 static int alt
= CX231XX_PINOUT
;
50 module_param(alt
, int, 0644);
51 MODULE_PARM_DESC(alt
, "alternate setting to use for video endpoint");
53 #define cx231xx_isocdbg(fmt, arg...) do {\
55 printk(KERN_INFO "%s %s :"fmt, \
56 dev->name, __func__ , ##arg); } while (0)
58 /*****************************************************************
59 * Device control list functions *
60 ******************************************************************/
62 LIST_HEAD(cx231xx_devlist
);
63 static DEFINE_MUTEX(cx231xx_devlist_mutex
);
66 * cx231xx_realease_resources()
67 * unregisters the v4l2,i2c and usb devices
68 * called when the device gets disconected or at module unload
70 void cx231xx_remove_from_devlist(struct cx231xx
*dev
)
74 if (dev
->udev
== NULL
)
77 if (atomic_read(&dev
->devlist_count
) > 0) {
78 mutex_lock(&cx231xx_devlist_mutex
);
79 list_del(&dev
->devlist
);
80 atomic_dec(&dev
->devlist_count
);
81 mutex_unlock(&cx231xx_devlist_mutex
);
85 void cx231xx_add_into_devlist(struct cx231xx
*dev
)
87 mutex_lock(&cx231xx_devlist_mutex
);
88 list_add_tail(&dev
->devlist
, &cx231xx_devlist
);
89 atomic_inc(&dev
->devlist_count
);
90 mutex_unlock(&cx231xx_devlist_mutex
);
93 static LIST_HEAD(cx231xx_extension_devlist
);
95 int cx231xx_register_extension(struct cx231xx_ops
*ops
)
97 struct cx231xx
*dev
= NULL
;
99 mutex_lock(&cx231xx_devlist_mutex
);
100 list_add_tail(&ops
->next
, &cx231xx_extension_devlist
);
101 list_for_each_entry(dev
, &cx231xx_devlist
, devlist
) {
103 dev_info(dev
->dev
, "%s initialized\n", ops
->name
);
105 mutex_unlock(&cx231xx_devlist_mutex
);
108 EXPORT_SYMBOL(cx231xx_register_extension
);
110 void cx231xx_unregister_extension(struct cx231xx_ops
*ops
)
112 struct cx231xx
*dev
= NULL
;
114 mutex_lock(&cx231xx_devlist_mutex
);
115 list_for_each_entry(dev
, &cx231xx_devlist
, devlist
) {
117 dev_info(dev
->dev
, "%s removed\n", ops
->name
);
120 list_del(&ops
->next
);
121 mutex_unlock(&cx231xx_devlist_mutex
);
123 EXPORT_SYMBOL(cx231xx_unregister_extension
);
125 void cx231xx_init_extension(struct cx231xx
*dev
)
127 struct cx231xx_ops
*ops
= NULL
;
129 mutex_lock(&cx231xx_devlist_mutex
);
130 if (!list_empty(&cx231xx_extension_devlist
)) {
131 list_for_each_entry(ops
, &cx231xx_extension_devlist
, next
) {
136 mutex_unlock(&cx231xx_devlist_mutex
);
139 void cx231xx_close_extension(struct cx231xx
*dev
)
141 struct cx231xx_ops
*ops
= NULL
;
143 mutex_lock(&cx231xx_devlist_mutex
);
144 if (!list_empty(&cx231xx_extension_devlist
)) {
145 list_for_each_entry(ops
, &cx231xx_extension_devlist
, next
) {
150 mutex_unlock(&cx231xx_devlist_mutex
);
153 /****************************************************************
154 * U S B related functions *
155 *****************************************************************/
156 int cx231xx_send_usb_command(struct cx231xx_i2c
*i2c_bus
,
157 struct cx231xx_i2c_xfer_data
*req_data
)
160 struct cx231xx
*dev
= i2c_bus
->dev
;
161 struct VENDOR_REQUEST_IN ven_req
;
168 if (dev
->state
& DEV_DISCONNECTED
)
171 /* Get the I2C period, nostop and reserve parameters */
172 _i2c_period
= i2c_bus
->i2c_period
;
173 _i2c_nostop
= i2c_bus
->i2c_nostop
;
174 _i2c_reserve
= i2c_bus
->i2c_reserve
;
176 saddr_len
= req_data
->saddr_len
;
179 ven_req
.wValue
= (req_data
->dev_addr
<< 9 | _i2c_period
<< 4 |
180 saddr_len
<< 2 | _i2c_nostop
<< 1 | I2C_SYNC
|
183 /* set channel number */
184 if (req_data
->direction
& I2C_M_RD
) {
185 /* channel number, for read,spec required channel_num +4 */
186 ven_req
.bRequest
= i2c_bus
->nr
+ 4;
188 ven_req
.bRequest
= i2c_bus
->nr
; /* channel number, */
190 /* set index value */
193 ven_req
.wIndex
= 0; /* need check */
196 ven_req
.wIndex
= (req_data
->saddr_dat
& 0xff);
199 ven_req
.wIndex
= req_data
->saddr_dat
;
203 /* set wLength value */
204 ven_req
.wLength
= req_data
->buf_size
;
206 /* set bData value */
209 /* set the direction */
210 if (req_data
->direction
) {
211 ven_req
.direction
= USB_DIR_IN
;
212 memset(req_data
->p_buffer
, 0x00, ven_req
.wLength
);
214 ven_req
.direction
= USB_DIR_OUT
;
216 /* set the buffer for read / write */
217 ven_req
.pBuff
= req_data
->p_buffer
;
220 /* call common vendor command request */
221 status
= cx231xx_send_vendor_cmd(dev
, &ven_req
);
222 if (status
< 0 && !dev
->i2c_scan_running
) {
223 dev_err(dev
->dev
, "%s: failed with status -%d\n",
229 EXPORT_SYMBOL_GPL(cx231xx_send_usb_command
);
232 * Sends/Receives URB control messages, assuring to use a kalloced buffer
233 * for all operations (dev->urb_buf), to avoid using stacked buffers, as
234 * they aren't safe for usage with USB, due to DMA restrictions.
235 * Also implements the debug code for control URB's.
237 static int __usb_control_msg(struct cx231xx
*dev
, unsigned int pipe
,
238 __u8 request
, __u8 requesttype
, __u16 value
, __u16 index
,
239 void *data
, __u16 size
, int timeout
)
244 printk(KERN_DEBUG
"%s: (pipe 0x%08x): "
245 "%s: %02x %02x %02x %02x %02x %02x %02x %02x ",
248 (requesttype
& USB_DIR_IN
) ? "IN" : "OUT",
251 value
& 0xff, value
>> 8,
252 index
& 0xff, index
>> 8,
253 size
& 0xff, size
>> 8);
254 if (!(requesttype
& USB_DIR_IN
)) {
255 printk(KERN_CONT
">>>");
256 for (i
= 0; i
< size
; i
++)
257 printk(KERN_CONT
" %02x",
258 ((unsigned char *)data
)[i
]);
262 /* Do the real call to usb_control_msg */
263 mutex_lock(&dev
->ctrl_urb_lock
);
264 if (!(requesttype
& USB_DIR_IN
) && size
)
265 memcpy(dev
->urb_buf
, data
, size
);
266 rc
= usb_control_msg(dev
->udev
, pipe
, request
, requesttype
, value
,
267 index
, dev
->urb_buf
, size
, timeout
);
268 if ((requesttype
& USB_DIR_IN
) && size
)
269 memcpy(data
, dev
->urb_buf
, size
);
270 mutex_unlock(&dev
->ctrl_urb_lock
);
273 if (unlikely(rc
< 0)) {
274 printk(KERN_CONT
"FAILED!\n");
278 if ((requesttype
& USB_DIR_IN
)) {
279 printk(KERN_CONT
"<<<");
280 for (i
= 0; i
< size
; i
++)
281 printk(KERN_CONT
" %02x",
282 ((unsigned char *)data
)[i
]);
284 printk(KERN_CONT
"\n");
292 * cx231xx_read_ctrl_reg()
293 * reads data from the usb device specifying bRequest and wValue
295 int cx231xx_read_ctrl_reg(struct cx231xx
*dev
, u8 req
, u16 reg
,
300 int pipe
= usb_rcvctrlpipe(dev
->udev
, 0);
302 if (dev
->state
& DEV_DISCONNECTED
)
305 if (len
> URB_MAX_CTRL_SIZE
)
310 val
= ENABLE_ONE_BYTE
;
313 val
= ENABLE_TWE_BYTE
;
316 val
= ENABLE_THREE_BYTE
;
319 val
= ENABLE_FOUR_BYTE
;
322 val
= 0xFF; /* invalid option */
328 ret
= __usb_control_msg(dev
, pipe
, req
,
329 USB_DIR_IN
| USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
330 val
, reg
, buf
, len
, HZ
);
334 int cx231xx_send_vendor_cmd(struct cx231xx
*dev
,
335 struct VENDOR_REQUEST_IN
*ven_req
)
342 if (dev
->state
& DEV_DISCONNECTED
)
345 if ((ven_req
->wLength
> URB_MAX_CTRL_SIZE
))
348 if (ven_req
->direction
)
349 pipe
= usb_rcvctrlpipe(dev
->udev
, 0);
351 pipe
= usb_sndctrlpipe(dev
->udev
, 0);
354 * If the cx23102 read more than 4 bytes with i2c bus,
355 * need chop to 4 byte per request
357 if ((ven_req
->wLength
> 4) && ((ven_req
->bRequest
== 0x4) ||
358 (ven_req
->bRequest
== 0x5) ||
359 (ven_req
->bRequest
== 0x6))) {
361 pdata
= ven_req
->pBuff
;
364 unsend_size
= ven_req
->wLength
;
366 /* the first package */
367 ven_req
->wValue
= ven_req
->wValue
& 0xFFFB;
368 ven_req
->wValue
= (ven_req
->wValue
& 0xFFBD) | 0x2;
369 ret
= __usb_control_msg(dev
, pipe
, ven_req
->bRequest
,
370 ven_req
->direction
| USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
371 ven_req
->wValue
, ven_req
->wIndex
, pdata
,
373 unsend_size
= unsend_size
- 4;
375 /* the middle package */
376 ven_req
->wValue
= (ven_req
->wValue
& 0xFFBD) | 0x42;
377 while (unsend_size
- 4 > 0) {
379 ret
= __usb_control_msg(dev
, pipe
,
381 ven_req
->direction
| USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
382 ven_req
->wValue
, ven_req
->wIndex
, pdata
,
384 unsend_size
= unsend_size
- 4;
387 /* the last package */
388 ven_req
->wValue
= (ven_req
->wValue
& 0xFFBD) | 0x40;
390 ret
= __usb_control_msg(dev
, pipe
, ven_req
->bRequest
,
391 ven_req
->direction
| USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
392 ven_req
->wValue
, ven_req
->wIndex
, pdata
,
395 ret
= __usb_control_msg(dev
, pipe
, ven_req
->bRequest
,
396 ven_req
->direction
| USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
397 ven_req
->wValue
, ven_req
->wIndex
,
398 ven_req
->pBuff
, ven_req
->wLength
, HZ
);
405 * cx231xx_write_ctrl_reg()
406 * sends data to the usb device, specifying bRequest
408 int cx231xx_write_ctrl_reg(struct cx231xx
*dev
, u8 req
, u16 reg
, char *buf
,
413 int pipe
= usb_sndctrlpipe(dev
->udev
, 0);
415 if (dev
->state
& DEV_DISCONNECTED
)
418 if ((len
< 1) || (len
> URB_MAX_CTRL_SIZE
))
423 val
= ENABLE_ONE_BYTE
;
426 val
= ENABLE_TWE_BYTE
;
429 val
= ENABLE_THREE_BYTE
;
432 val
= ENABLE_FOUR_BYTE
;
435 val
= 0xFF; /* invalid option */
444 cx231xx_isocdbg("(pipe 0x%08x): "
445 "OUT: %02x %02x %02x %02x %02x %02x %02x %02x >>>",
447 USB_DIR_OUT
| USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
448 req
, 0, val
, reg
& 0xff,
449 reg
>> 8, len
& 0xff, len
>> 8);
451 for (byte
= 0; byte
< len
; byte
++)
452 cx231xx_isocdbg(" %02x", (unsigned char)buf
[byte
]);
453 cx231xx_isocdbg("\n");
456 ret
= __usb_control_msg(dev
, pipe
, req
,
457 USB_DIR_OUT
| USB_TYPE_VENDOR
| USB_RECIP_DEVICE
,
458 val
, reg
, buf
, len
, HZ
);
463 /****************************************************************
464 * USB Alternate Setting functions *
465 *****************************************************************/
467 int cx231xx_set_video_alternate(struct cx231xx
*dev
)
469 int errCode
, prev_alt
= dev
->video_mode
.alt
;
470 unsigned int min_pkt_size
= dev
->width
* 2 + 4;
471 u32 usb_interface_index
= 0;
473 /* When image size is bigger than a certain value,
474 the frame size should be increased, otherwise, only
475 green screen will be received.
477 if (dev
->width
* 2 * dev
->height
> 720 * 240 * 2)
480 if (dev
->width
> 360) {
481 /* resolutions: 720,704,640 */
482 dev
->video_mode
.alt
= 3;
483 } else if (dev
->width
> 180) {
484 /* resolutions: 360,352,320,240 */
485 dev
->video_mode
.alt
= 2;
486 } else if (dev
->width
> 0) {
487 /* resolutions: 180,176,160,128,88 */
488 dev
->video_mode
.alt
= 1;
490 /* Change to alt0 BULK to release USB bandwidth */
491 dev
->video_mode
.alt
= 0;
494 if (dev
->USE_ISO
== 0)
495 dev
->video_mode
.alt
= 0;
497 cx231xx_coredbg("dev->video_mode.alt= %d\n", dev
->video_mode
.alt
);
499 /* Get the correct video interface Index */
500 usb_interface_index
=
501 dev
->current_pcb_config
.hs_config_info
[0].interface_info
.
504 if (dev
->video_mode
.alt
!= prev_alt
) {
505 cx231xx_coredbg("minimum isoc packet size: %u (alt=%d)\n",
506 min_pkt_size
, dev
->video_mode
.alt
);
508 if (dev
->video_mode
.alt_max_pkt_size
!= NULL
)
509 dev
->video_mode
.max_pkt_size
=
510 dev
->video_mode
.alt_max_pkt_size
[dev
->video_mode
.alt
];
511 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u\n",
513 dev
->video_mode
.max_pkt_size
);
515 usb_set_interface(dev
->udev
, usb_interface_index
,
516 dev
->video_mode
.alt
);
519 "cannot change alt number to %d (error=%i)\n",
520 dev
->video_mode
.alt
, errCode
);
527 int cx231xx_set_alt_setting(struct cx231xx
*dev
, u8 index
, u8 alt
)
530 u32 usb_interface_index
= 0;
531 u32 max_pkt_size
= 0;
535 usb_interface_index
=
536 dev
->current_pcb_config
.hs_config_info
[0].interface_info
.
538 dev
->ts1_mode
.alt
= alt
;
539 if (dev
->ts1_mode
.alt_max_pkt_size
!= NULL
)
540 max_pkt_size
= dev
->ts1_mode
.max_pkt_size
=
541 dev
->ts1_mode
.alt_max_pkt_size
[dev
->ts1_mode
.alt
];
544 usb_interface_index
=
545 dev
->current_pcb_config
.hs_config_info
[0].interface_info
.
549 usb_interface_index
=
550 dev
->current_pcb_config
.hs_config_info
[0].interface_info
.
553 if (dev
->adev
.alt_max_pkt_size
!= NULL
)
554 max_pkt_size
= dev
->adev
.max_pkt_size
=
555 dev
->adev
.alt_max_pkt_size
[dev
->adev
.alt
];
558 usb_interface_index
=
559 dev
->current_pcb_config
.hs_config_info
[0].interface_info
.
561 dev
->video_mode
.alt
= alt
;
562 if (dev
->video_mode
.alt_max_pkt_size
!= NULL
)
563 max_pkt_size
= dev
->video_mode
.max_pkt_size
=
564 dev
->video_mode
.alt_max_pkt_size
[dev
->video_mode
.
568 if (dev
->board
.no_alt_vanc
)
570 usb_interface_index
=
571 dev
->current_pcb_config
.hs_config_info
[0].interface_info
.
573 dev
->vbi_mode
.alt
= alt
;
574 if (dev
->vbi_mode
.alt_max_pkt_size
!= NULL
)
575 max_pkt_size
= dev
->vbi_mode
.max_pkt_size
=
576 dev
->vbi_mode
.alt_max_pkt_size
[dev
->vbi_mode
.alt
];
579 usb_interface_index
=
580 dev
->current_pcb_config
.hs_config_info
[0].interface_info
.
582 dev
->sliced_cc_mode
.alt
= alt
;
583 if (dev
->sliced_cc_mode
.alt_max_pkt_size
!= NULL
)
584 max_pkt_size
= dev
->sliced_cc_mode
.max_pkt_size
=
585 dev
->sliced_cc_mode
.alt_max_pkt_size
[dev
->
593 if (alt
> 0 && max_pkt_size
== 0) {
595 "can't change interface %d alt no. to %d: Max. Pkt size = 0\n",
596 usb_interface_index
, alt
);
597 /*To workaround error number=-71 on EP0 for videograbber,
598 need add following codes.*/
599 if (dev
->board
.no_alt_vanc
)
603 cx231xx_coredbg("setting alternate %d with wMaxPacketSize=%u,"
604 "Interface = %d\n", alt
, max_pkt_size
,
605 usb_interface_index
);
607 if (usb_interface_index
> 0) {
608 status
= usb_set_interface(dev
->udev
, usb_interface_index
, alt
);
611 "can't change interface %d alt no. to %d (err=%i)\n",
612 usb_interface_index
, alt
, status
);
619 EXPORT_SYMBOL_GPL(cx231xx_set_alt_setting
);
621 int cx231xx_gpio_set(struct cx231xx
*dev
, struct cx231xx_reg_seq
*gpio
)
628 /* Send GPIO reset sequences specified at board entry */
629 while (gpio
->sleep
>= 0) {
630 rc
= cx231xx_set_gpio_value(dev
, gpio
->bit
, gpio
->val
);
642 int cx231xx_demod_reset(struct cx231xx
*dev
)
646 u8 value
[4] = { 0, 0, 0, 0 };
648 status
= cx231xx_read_ctrl_reg(dev
, VRT_GET_REGISTER
, PWR_CTL_EN
,
651 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN
,
652 value
[0], value
[1], value
[2], value
[3]);
654 cx231xx_coredbg("Enter cx231xx_demod_reset()\n");
657 status
= cx231xx_write_ctrl_reg(dev
, VRT_SET_REGISTER
,
658 PWR_CTL_EN
, value
, 4);
662 status
= cx231xx_write_ctrl_reg(dev
, VRT_SET_REGISTER
,
663 PWR_CTL_EN
, value
, 4);
667 status
= cx231xx_write_ctrl_reg(dev
, VRT_SET_REGISTER
,
668 PWR_CTL_EN
, value
, 4);
671 status
= cx231xx_read_ctrl_reg(dev
, VRT_GET_REGISTER
, PWR_CTL_EN
,
674 cx231xx_coredbg("reg0x%x=0x%x 0x%x 0x%x 0x%x\n", PWR_CTL_EN
,
675 value
[0], value
[1], value
[2], value
[3]);
679 EXPORT_SYMBOL_GPL(cx231xx_demod_reset
);
680 int is_fw_load(struct cx231xx
*dev
)
682 return cx231xx_check_fw(dev
);
684 EXPORT_SYMBOL_GPL(is_fw_load
);
686 int cx231xx_set_mode(struct cx231xx
*dev
, enum cx231xx_mode set_mode
)
690 if (dev
->mode
== set_mode
)
693 if (set_mode
== CX231XX_SUSPEND
) {
694 /* Set the chip in power saving mode */
695 dev
->mode
= set_mode
;
698 /* Resource is locked */
699 if (dev
->mode
!= CX231XX_SUSPEND
)
702 dev
->mode
= set_mode
;
704 if (dev
->mode
== CX231XX_DIGITAL_MODE
)/* Set Digital power mode */ {
705 /* set AGC mode to Digital */
706 switch (dev
->model
) {
707 case CX231XX_BOARD_CNXT_CARRAERA
:
708 case CX231XX_BOARD_CNXT_RDE_250
:
709 case CX231XX_BOARD_CNXT_SHELBY
:
710 case CX231XX_BOARD_CNXT_RDU_250
:
711 errCode
= cx231xx_set_agc_analog_digital_mux_select(dev
, 0);
713 case CX231XX_BOARD_CNXT_RDE_253S
:
714 case CX231XX_BOARD_CNXT_RDU_253S
:
715 errCode
= cx231xx_set_agc_analog_digital_mux_select(dev
, 1);
717 case CX231XX_BOARD_HAUPPAUGE_EXETER
:
718 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx
:
719 errCode
= cx231xx_set_power_mode(dev
,
720 POLARIS_AVMODE_DIGITAL
);
725 } else/* Set Analog Power mode */ {
726 /* set AGC mode to Analog */
727 switch (dev
->model
) {
728 case CX231XX_BOARD_CNXT_CARRAERA
:
729 case CX231XX_BOARD_CNXT_RDE_250
:
730 case CX231XX_BOARD_CNXT_SHELBY
:
731 case CX231XX_BOARD_CNXT_RDU_250
:
732 errCode
= cx231xx_set_agc_analog_digital_mux_select(dev
, 1);
734 case CX231XX_BOARD_CNXT_RDE_253S
:
735 case CX231XX_BOARD_CNXT_RDU_253S
:
736 case CX231XX_BOARD_HAUPPAUGE_EXETER
:
737 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx
:
738 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID
:
739 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL
:
740 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC
:
741 errCode
= cx231xx_set_agc_analog_digital_mux_select(dev
, 0);
748 return errCode
? -EINVAL
: 0;
750 EXPORT_SYMBOL_GPL(cx231xx_set_mode
);
752 int cx231xx_ep5_bulkout(struct cx231xx
*dev
, u8
*firmware
, u16 size
)
759 buffer
= kzalloc(4096, GFP_KERNEL
);
762 memcpy(&buffer
[0], firmware
, 4096);
764 ret
= usb_bulk_msg(dev
->udev
, usb_sndbulkpipe(dev
->udev
, 5),
765 buffer
, 4096, &actlen
, 2000);
769 "bulk message failed: %d (%d/%d)", ret
,
772 errCode
= actlen
!= size
? -1 : 0;
778 /*****************************************************************
779 * URB Streaming functions *
780 ******************************************************************/
783 * IRQ callback, called by URB callback
785 static void cx231xx_isoc_irq_callback(struct urb
*urb
)
787 struct cx231xx_dmaqueue
*dma_q
= urb
->context
;
788 struct cx231xx_video_mode
*vmode
=
789 container_of(dma_q
, struct cx231xx_video_mode
, vidq
);
790 struct cx231xx
*dev
= container_of(vmode
, struct cx231xx
, video_mode
);
793 switch (urb
->status
) {
794 case 0: /* success */
795 case -ETIMEDOUT
: /* NAK */
797 case -ECONNRESET
: /* kill */
802 cx231xx_isocdbg("urb completition error %d.\n", urb
->status
);
806 /* Copy data from URB */
807 spin_lock(&dev
->video_mode
.slock
);
808 dev
->video_mode
.isoc_ctl
.isoc_copy(dev
, urb
);
809 spin_unlock(&dev
->video_mode
.slock
);
811 /* Reset urb buffers */
812 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
813 urb
->iso_frame_desc
[i
].status
= 0;
814 urb
->iso_frame_desc
[i
].actual_length
= 0;
817 urb
->status
= usb_submit_urb(urb
, GFP_ATOMIC
);
819 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
823 /*****************************************************************
824 * URB Streaming functions *
825 ******************************************************************/
828 * IRQ callback, called by URB callback
830 static void cx231xx_bulk_irq_callback(struct urb
*urb
)
832 struct cx231xx_dmaqueue
*dma_q
= urb
->context
;
833 struct cx231xx_video_mode
*vmode
=
834 container_of(dma_q
, struct cx231xx_video_mode
, vidq
);
835 struct cx231xx
*dev
= container_of(vmode
, struct cx231xx
, video_mode
);
837 switch (urb
->status
) {
838 case 0: /* success */
839 case -ETIMEDOUT
: /* NAK */
841 case -ECONNRESET
: /* kill */
846 cx231xx_isocdbg("urb completition error %d.\n", urb
->status
);
850 /* Copy data from URB */
851 spin_lock(&dev
->video_mode
.slock
);
852 dev
->video_mode
.bulk_ctl
.bulk_copy(dev
, urb
);
853 spin_unlock(&dev
->video_mode
.slock
);
855 /* Reset urb buffers */
856 urb
->status
= usb_submit_urb(urb
, GFP_ATOMIC
);
858 cx231xx_isocdbg("urb resubmit failed (error=%i)\n",
863 * Stop and Deallocate URBs
865 void cx231xx_uninit_isoc(struct cx231xx
*dev
)
867 struct cx231xx_dmaqueue
*dma_q
= &dev
->video_mode
.vidq
;
871 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_isoc\n");
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
];
877 if (!irqs_disabled())
882 if (dev
->video_mode
.isoc_ctl
.transfer_buffer
[i
]) {
883 usb_free_coherent(dev
->udev
,
884 urb
->transfer_buffer_length
,
885 dev
->video_mode
.isoc_ctl
.
890 dev
->video_mode
.isoc_ctl
.urb
[i
] = NULL
;
892 dev
->video_mode
.isoc_ctl
.transfer_buffer
[i
] = NULL
;
895 kfree(dev
->video_mode
.isoc_ctl
.urb
);
896 kfree(dev
->video_mode
.isoc_ctl
.transfer_buffer
);
897 kfree(dma_q
->p_left_data
);
899 dev
->video_mode
.isoc_ctl
.urb
= NULL
;
900 dev
->video_mode
.isoc_ctl
.transfer_buffer
= NULL
;
901 dev
->video_mode
.isoc_ctl
.num_bufs
= 0;
902 dma_q
->p_left_data
= NULL
;
904 if (dev
->mode_tv
== 0)
905 cx231xx_capture_start(dev
, 0, Raw_Video
);
907 cx231xx_capture_start(dev
, 0, TS1_serial_mode
);
911 EXPORT_SYMBOL_GPL(cx231xx_uninit_isoc
);
914 * Stop and Deallocate URBs
916 void cx231xx_uninit_bulk(struct cx231xx
*dev
)
918 struct cx231xx_dmaqueue
*dma_q
= &dev
->video_mode
.vidq
;
922 cx231xx_isocdbg("cx231xx: called cx231xx_uninit_bulk\n");
924 dev
->video_mode
.bulk_ctl
.nfields
= -1;
925 for (i
= 0; i
< dev
->video_mode
.bulk_ctl
.num_bufs
; i
++) {
926 urb
= dev
->video_mode
.bulk_ctl
.urb
[i
];
928 if (!irqs_disabled())
933 if (dev
->video_mode
.bulk_ctl
.transfer_buffer
[i
]) {
934 usb_free_coherent(dev
->udev
,
935 urb
->transfer_buffer_length
,
936 dev
->video_mode
.bulk_ctl
.
941 dev
->video_mode
.bulk_ctl
.urb
[i
] = NULL
;
943 dev
->video_mode
.bulk_ctl
.transfer_buffer
[i
] = NULL
;
946 kfree(dev
->video_mode
.bulk_ctl
.urb
);
947 kfree(dev
->video_mode
.bulk_ctl
.transfer_buffer
);
948 kfree(dma_q
->p_left_data
);
950 dev
->video_mode
.bulk_ctl
.urb
= NULL
;
951 dev
->video_mode
.bulk_ctl
.transfer_buffer
= NULL
;
952 dev
->video_mode
.bulk_ctl
.num_bufs
= 0;
953 dma_q
->p_left_data
= NULL
;
955 if (dev
->mode_tv
== 0)
956 cx231xx_capture_start(dev
, 0, Raw_Video
);
958 cx231xx_capture_start(dev
, 0, TS1_serial_mode
);
962 EXPORT_SYMBOL_GPL(cx231xx_uninit_bulk
);
965 * Allocate URBs and start IRQ
967 int cx231xx_init_isoc(struct cx231xx
*dev
, int max_packets
,
968 int num_bufs
, int max_pkt_size
,
969 int (*isoc_copy
) (struct cx231xx
*dev
, struct urb
*urb
))
971 struct cx231xx_dmaqueue
*dma_q
= &dev
->video_mode
.vidq
;
978 /* De-allocates all pending stuff */
979 cx231xx_uninit_isoc(dev
);
981 dma_q
->p_left_data
= kzalloc(4096, GFP_KERNEL
);
982 if (dma_q
->p_left_data
== NULL
)
985 dev
->video_mode
.isoc_ctl
.isoc_copy
= isoc_copy
;
986 dev
->video_mode
.isoc_ctl
.num_bufs
= num_bufs
;
988 dma_q
->is_partial_line
= 0;
990 dma_q
->current_field
= -1;
991 dma_q
->field1_done
= 0;
992 dma_q
->lines_per_field
= dev
->height
/ 2;
993 dma_q
->bytes_left_in_line
= dev
->width
<< 1;
994 dma_q
->lines_completed
= 0;
995 dma_q
->mpeg_buffer_done
= 0;
996 dma_q
->left_data_count
= 0;
997 dma_q
->mpeg_buffer_completed
= 0;
998 dma_q
->add_ps_package_head
= CX231XX_NEED_ADD_PS_PACKAGE_HEAD
;
999 dma_q
->ps_head
[0] = 0x00;
1000 dma_q
->ps_head
[1] = 0x00;
1001 dma_q
->ps_head
[2] = 0x01;
1002 dma_q
->ps_head
[3] = 0xBA;
1003 for (i
= 0; i
< 8; i
++)
1004 dma_q
->partial_buf
[i
] = 0;
1006 dev
->video_mode
.isoc_ctl
.urb
=
1007 kzalloc(sizeof(void *) * num_bufs
, GFP_KERNEL
);
1008 if (!dev
->video_mode
.isoc_ctl
.urb
) {
1010 "cannot alloc memory for usb buffers\n");
1014 dev
->video_mode
.isoc_ctl
.transfer_buffer
=
1015 kzalloc(sizeof(void *) * num_bufs
, GFP_KERNEL
);
1016 if (!dev
->video_mode
.isoc_ctl
.transfer_buffer
) {
1018 "cannot allocate memory for usbtransfer\n");
1019 kfree(dev
->video_mode
.isoc_ctl
.urb
);
1023 dev
->video_mode
.isoc_ctl
.max_pkt_size
= max_pkt_size
;
1024 dev
->video_mode
.isoc_ctl
.buf
= NULL
;
1026 sb_size
= max_packets
* dev
->video_mode
.isoc_ctl
.max_pkt_size
;
1028 if (dev
->mode_tv
== 1)
1029 dev
->video_mode
.end_point_addr
= 0x81;
1031 dev
->video_mode
.end_point_addr
= 0x84;
1034 /* allocate urbs and transfer buffers */
1035 for (i
= 0; i
< dev
->video_mode
.isoc_ctl
.num_bufs
; i
++) {
1036 urb
= usb_alloc_urb(max_packets
, GFP_KERNEL
);
1039 "cannot alloc isoc_ctl.urb %i\n", i
);
1040 cx231xx_uninit_isoc(dev
);
1043 dev
->video_mode
.isoc_ctl
.urb
[i
] = urb
;
1045 dev
->video_mode
.isoc_ctl
.transfer_buffer
[i
] =
1046 usb_alloc_coherent(dev
->udev
, sb_size
, GFP_KERNEL
,
1047 &urb
->transfer_dma
);
1048 if (!dev
->video_mode
.isoc_ctl
.transfer_buffer
[i
]) {
1050 "unable to allocate %i bytes for transfer buffer %i%s\n",
1052 in_interrupt() ? " while in int" : "");
1053 cx231xx_uninit_isoc(dev
);
1056 memset(dev
->video_mode
.isoc_ctl
.transfer_buffer
[i
], 0, sb_size
);
1059 usb_rcvisocpipe(dev
->udev
, dev
->video_mode
.end_point_addr
);
1061 usb_fill_int_urb(urb
, dev
->udev
, pipe
,
1062 dev
->video_mode
.isoc_ctl
.transfer_buffer
[i
],
1063 sb_size
, cx231xx_isoc_irq_callback
, dma_q
, 1);
1065 urb
->number_of_packets
= max_packets
;
1066 urb
->transfer_flags
= URB_ISO_ASAP
| URB_NO_TRANSFER_DMA_MAP
;
1069 for (j
= 0; j
< max_packets
; j
++) {
1070 urb
->iso_frame_desc
[j
].offset
= k
;
1071 urb
->iso_frame_desc
[j
].length
=
1072 dev
->video_mode
.isoc_ctl
.max_pkt_size
;
1073 k
+= dev
->video_mode
.isoc_ctl
.max_pkt_size
;
1077 init_waitqueue_head(&dma_q
->wq
);
1079 /* submit urbs and enables IRQ */
1080 for (i
= 0; i
< dev
->video_mode
.isoc_ctl
.num_bufs
; i
++) {
1081 rc
= usb_submit_urb(dev
->video_mode
.isoc_ctl
.urb
[i
],
1085 "submit of urb %i failed (error=%i)\n", i
,
1087 cx231xx_uninit_isoc(dev
);
1092 if (dev
->mode_tv
== 0)
1093 cx231xx_capture_start(dev
, 1, Raw_Video
);
1095 cx231xx_capture_start(dev
, 1, TS1_serial_mode
);
1099 EXPORT_SYMBOL_GPL(cx231xx_init_isoc
);
1102 * Allocate URBs and start IRQ
1104 int cx231xx_init_bulk(struct cx231xx
*dev
, int max_packets
,
1105 int num_bufs
, int max_pkt_size
,
1106 int (*bulk_copy
) (struct cx231xx
*dev
, struct urb
*urb
))
1108 struct cx231xx_dmaqueue
*dma_q
= &dev
->video_mode
.vidq
;
1114 dev
->video_input
= dev
->video_input
> 2 ? 2 : dev
->video_input
;
1116 cx231xx_coredbg("Setting Video mux to %d\n", dev
->video_input
);
1118 video_mux(dev
, dev
->video_input
);
1120 /* De-allocates all pending stuff */
1121 cx231xx_uninit_bulk(dev
);
1123 dev
->video_mode
.bulk_ctl
.bulk_copy
= bulk_copy
;
1124 dev
->video_mode
.bulk_ctl
.num_bufs
= num_bufs
;
1126 dma_q
->is_partial_line
= 0;
1127 dma_q
->last_sav
= 0;
1128 dma_q
->current_field
= -1;
1129 dma_q
->field1_done
= 0;
1130 dma_q
->lines_per_field
= dev
->height
/ 2;
1131 dma_q
->bytes_left_in_line
= dev
->width
<< 1;
1132 dma_q
->lines_completed
= 0;
1133 dma_q
->mpeg_buffer_done
= 0;
1134 dma_q
->left_data_count
= 0;
1135 dma_q
->mpeg_buffer_completed
= 0;
1136 dma_q
->ps_head
[0] = 0x00;
1137 dma_q
->ps_head
[1] = 0x00;
1138 dma_q
->ps_head
[2] = 0x01;
1139 dma_q
->ps_head
[3] = 0xBA;
1140 for (i
= 0; i
< 8; i
++)
1141 dma_q
->partial_buf
[i
] = 0;
1143 dev
->video_mode
.bulk_ctl
.urb
=
1144 kzalloc(sizeof(void *) * num_bufs
, GFP_KERNEL
);
1145 if (!dev
->video_mode
.bulk_ctl
.urb
) {
1147 "cannot alloc memory for usb buffers\n");
1151 dev
->video_mode
.bulk_ctl
.transfer_buffer
=
1152 kzalloc(sizeof(void *) * num_bufs
, GFP_KERNEL
);
1153 if (!dev
->video_mode
.bulk_ctl
.transfer_buffer
) {
1155 "cannot allocate memory for usbtransfer\n");
1156 kfree(dev
->video_mode
.bulk_ctl
.urb
);
1160 dev
->video_mode
.bulk_ctl
.max_pkt_size
= max_pkt_size
;
1161 dev
->video_mode
.bulk_ctl
.buf
= NULL
;
1163 sb_size
= max_packets
* dev
->video_mode
.bulk_ctl
.max_pkt_size
;
1165 if (dev
->mode_tv
== 1)
1166 dev
->video_mode
.end_point_addr
= 0x81;
1168 dev
->video_mode
.end_point_addr
= 0x84;
1171 /* allocate urbs and transfer buffers */
1172 for (i
= 0; i
< dev
->video_mode
.bulk_ctl
.num_bufs
; i
++) {
1173 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1176 "cannot alloc bulk_ctl.urb %i\n", i
);
1177 cx231xx_uninit_bulk(dev
);
1180 dev
->video_mode
.bulk_ctl
.urb
[i
] = urb
;
1181 urb
->transfer_flags
= URB_NO_TRANSFER_DMA_MAP
;
1183 dev
->video_mode
.bulk_ctl
.transfer_buffer
[i
] =
1184 usb_alloc_coherent(dev
->udev
, sb_size
, GFP_KERNEL
,
1185 &urb
->transfer_dma
);
1186 if (!dev
->video_mode
.bulk_ctl
.transfer_buffer
[i
]) {
1188 "unable to allocate %i bytes for transfer buffer %i%s\n",
1190 in_interrupt() ? " while in int" : "");
1191 cx231xx_uninit_bulk(dev
);
1194 memset(dev
->video_mode
.bulk_ctl
.transfer_buffer
[i
], 0, sb_size
);
1196 pipe
= usb_rcvbulkpipe(dev
->udev
,
1197 dev
->video_mode
.end_point_addr
);
1198 usb_fill_bulk_urb(urb
, dev
->udev
, pipe
,
1199 dev
->video_mode
.bulk_ctl
.transfer_buffer
[i
],
1200 sb_size
, cx231xx_bulk_irq_callback
, dma_q
);
1204 rc
= usb_clear_halt(dev
->udev
, dev
->video_mode
.bulk_ctl
.urb
[0]->pipe
);
1207 "failed to clear USB bulk endpoint stall/halt condition (error=%i)\n",
1209 cx231xx_uninit_bulk(dev
);
1213 init_waitqueue_head(&dma_q
->wq
);
1215 /* submit urbs and enables IRQ */
1216 for (i
= 0; i
< dev
->video_mode
.bulk_ctl
.num_bufs
; i
++) {
1217 rc
= usb_submit_urb(dev
->video_mode
.bulk_ctl
.urb
[i
],
1221 "submit of urb %i failed (error=%i)\n", i
, rc
);
1222 cx231xx_uninit_bulk(dev
);
1227 if (dev
->mode_tv
== 0)
1228 cx231xx_capture_start(dev
, 1, Raw_Video
);
1230 cx231xx_capture_start(dev
, 1, TS1_serial_mode
);
1234 EXPORT_SYMBOL_GPL(cx231xx_init_bulk
);
1235 void cx231xx_stop_TS1(struct cx231xx
*dev
)
1237 u8 val
[4] = { 0, 0, 0, 0 };
1243 cx231xx_write_ctrl_reg(dev
, VRT_SET_REGISTER
,
1244 TS_MODE_REG
, val
, 4);
1250 cx231xx_write_ctrl_reg(dev
, VRT_SET_REGISTER
,
1251 TS1_CFG_REG
, val
, 4);
1253 /* EXPORT_SYMBOL_GPL(cx231xx_stop_TS1); */
1254 void cx231xx_start_TS1(struct cx231xx
*dev
)
1256 u8 val
[4] = { 0, 0, 0, 0 };
1262 cx231xx_write_ctrl_reg(dev
, VRT_SET_REGISTER
,
1263 TS_MODE_REG
, val
, 4);
1269 cx231xx_write_ctrl_reg(dev
, VRT_SET_REGISTER
,
1270 TS1_CFG_REG
, val
, 4);
1272 /* EXPORT_SYMBOL_GPL(cx231xx_start_TS1); */
1273 /*****************************************************************
1274 * Device Init/UnInit functions *
1275 ******************************************************************/
1276 int cx231xx_dev_init(struct cx231xx
*dev
)
1280 /* Initialize I2C bus */
1282 /* External Master 1 Bus */
1283 dev
->i2c_bus
[0].nr
= 0;
1284 dev
->i2c_bus
[0].dev
= dev
;
1285 dev
->i2c_bus
[0].i2c_period
= I2C_SPEED_100K
; /* 100 KHz */
1286 dev
->i2c_bus
[0].i2c_nostop
= 0;
1287 dev
->i2c_bus
[0].i2c_reserve
= 0;
1289 /* External Master 2 Bus */
1290 dev
->i2c_bus
[1].nr
= 1;
1291 dev
->i2c_bus
[1].dev
= dev
;
1292 dev
->i2c_bus
[1].i2c_period
= I2C_SPEED_100K
; /* 100 KHz */
1293 dev
->i2c_bus
[1].i2c_nostop
= 0;
1294 dev
->i2c_bus
[1].i2c_reserve
= 0;
1296 /* Internal Master 3 Bus */
1297 dev
->i2c_bus
[2].nr
= 2;
1298 dev
->i2c_bus
[2].dev
= dev
;
1299 dev
->i2c_bus
[2].i2c_period
= I2C_SPEED_100K
; /* 100kHz */
1300 dev
->i2c_bus
[2].i2c_nostop
= 0;
1301 dev
->i2c_bus
[2].i2c_reserve
= 0;
1303 /* register I2C buses */
1304 cx231xx_i2c_register(&dev
->i2c_bus
[0]);
1305 cx231xx_i2c_register(&dev
->i2c_bus
[1]);
1306 cx231xx_i2c_register(&dev
->i2c_bus
[2]);
1308 errCode
= cx231xx_i2c_mux_create(dev
);
1311 cx231xx_i2c_mux_register(dev
, 0);
1312 cx231xx_i2c_mux_register(dev
, 1);
1314 /* scan the real bus segments in the order of physical port numbers */
1315 cx231xx_do_i2c_scan(dev
, I2C_0
);
1316 cx231xx_do_i2c_scan(dev
, I2C_1_MUX_1
);
1317 cx231xx_do_i2c_scan(dev
, I2C_2
);
1318 cx231xx_do_i2c_scan(dev
, I2C_1_MUX_3
);
1321 /* Note : with out calling set power mode function,
1322 afe can not be set up correctly */
1323 if (dev
->board
.external_av
) {
1324 errCode
= cx231xx_set_power_mode(dev
,
1325 POLARIS_AVMODE_ENXTERNAL_AV
);
1328 "%s: Failed to set Power - errCode [%d]!\n",
1333 errCode
= cx231xx_set_power_mode(dev
,
1334 POLARIS_AVMODE_ANALOGT_TV
);
1337 "%s: Failed to set Power - errCode [%d]!\n",
1343 /* reset the Tuner, if it is a Xceive tuner */
1344 if ((dev
->board
.tuner_type
== TUNER_XC5000
) ||
1345 (dev
->board
.tuner_type
== TUNER_XC2028
))
1346 cx231xx_gpio_set(dev
, dev
->board
.tuner_gpio
);
1348 /* initialize Colibri block */
1349 errCode
= cx231xx_afe_init_super_block(dev
, 0x23c);
1352 "%s: cx231xx_afe init super block - errCode [%d]!\n",
1356 errCode
= cx231xx_afe_init_channels(dev
);
1359 "%s: cx231xx_afe init channels - errCode [%d]!\n",
1364 /* Set DIF in By pass mode */
1365 errCode
= cx231xx_dif_set_standard(dev
, DIF_USE_BASEBAND
);
1368 "%s: cx231xx_dif set to By pass mode - errCode [%d]!\n",
1373 /* I2S block related functions */
1374 errCode
= cx231xx_i2s_blk_initialize(dev
);
1377 "%s: cx231xx_i2s block initialize - errCode [%d]!\n",
1382 /* init control pins */
1383 errCode
= cx231xx_init_ctrl_pin_status(dev
);
1386 "%s: cx231xx_init ctrl pins - errCode [%d]!\n",
1391 /* set AGC mode to Analog */
1392 switch (dev
->model
) {
1393 case CX231XX_BOARD_CNXT_CARRAERA
:
1394 case CX231XX_BOARD_CNXT_RDE_250
:
1395 case CX231XX_BOARD_CNXT_SHELBY
:
1396 case CX231XX_BOARD_CNXT_RDU_250
:
1397 errCode
= cx231xx_set_agc_analog_digital_mux_select(dev
, 1);
1399 case CX231XX_BOARD_CNXT_RDE_253S
:
1400 case CX231XX_BOARD_CNXT_RDU_253S
:
1401 case CX231XX_BOARD_HAUPPAUGE_EXETER
:
1402 case CX231XX_BOARD_HAUPPAUGE_930C_HD_1113xx
:
1403 case CX231XX_BOARD_PV_PLAYTV_USB_HYBRID
:
1404 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_PAL
:
1405 case CX231XX_BOARD_HAUPPAUGE_USB2_FM_NTSC
:
1406 errCode
= cx231xx_set_agc_analog_digital_mux_select(dev
, 0);
1413 "%s: cx231xx_AGC mode to Analog - errCode [%d]!\n",
1418 /* set all alternate settings to zero initially */
1419 cx231xx_set_alt_setting(dev
, INDEX_VIDEO
, 0);
1420 cx231xx_set_alt_setting(dev
, INDEX_VANC
, 0);
1421 cx231xx_set_alt_setting(dev
, INDEX_HANC
, 0);
1422 if (dev
->board
.has_dvb
)
1423 cx231xx_set_alt_setting(dev
, INDEX_TS1
, 0);
1428 EXPORT_SYMBOL_GPL(cx231xx_dev_init
);
1430 void cx231xx_dev_uninit(struct cx231xx
*dev
)
1432 /* Un Initialize I2C bus */
1433 cx231xx_i2c_mux_unregister(dev
);
1434 cx231xx_i2c_unregister(&dev
->i2c_bus
[2]);
1435 cx231xx_i2c_unregister(&dev
->i2c_bus
[1]);
1436 cx231xx_i2c_unregister(&dev
->i2c_bus
[0]);
1438 EXPORT_SYMBOL_GPL(cx231xx_dev_uninit
);
1440 /*****************************************************************
1441 * G P I O related functions *
1442 ******************************************************************/
1443 int cx231xx_send_gpio_cmd(struct cx231xx
*dev
, u32 gpio_bit
, u8
*gpio_val
,
1444 u8 len
, u8 request
, u8 direction
)
1447 struct VENDOR_REQUEST_IN ven_req
;
1450 ven_req
.wValue
= (u16
) (gpio_bit
>> 16 & 0xffff);
1455 ven_req
.bRequest
= VRT_GET_GPIO
; /* 0x8 gpio */
1457 ven_req
.bRequest
= VRT_SET_GPIO
; /* 0x9 gpio */
1460 ven_req
.bRequest
= VRT_GET_GPIE
; /* 0xa gpie */
1462 ven_req
.bRequest
= VRT_SET_GPIE
; /* 0xb gpie */
1465 /* set index value */
1466 ven_req
.wIndex
= (u16
) (gpio_bit
& 0xffff);
1468 /* set wLength value */
1469 ven_req
.wLength
= len
;
1471 /* set bData value */
1474 /* set the buffer for read / write */
1475 ven_req
.pBuff
= gpio_val
;
1477 /* set the direction */
1479 ven_req
.direction
= USB_DIR_IN
;
1480 memset(ven_req
.pBuff
, 0x00, ven_req
.wLength
);
1482 ven_req
.direction
= USB_DIR_OUT
;
1485 /* call common vendor command request */
1486 status
= cx231xx_send_vendor_cmd(dev
, &ven_req
);
1488 dev_err(dev
->dev
, "%s: failed with status -%d\n",
1494 EXPORT_SYMBOL_GPL(cx231xx_send_gpio_cmd
);
1496 /*****************************************************************
1497 * C O N T R O L - Register R E A D / W R I T E functions *
1498 *****************************************************************/
1499 int cx231xx_mode_register(struct cx231xx
*dev
, u16 address
, u32 mode
)
1501 u8 value
[4] = { 0x0, 0x0, 0x0, 0x0 };
1506 cx231xx_read_ctrl_reg(dev
, VRT_GET_REGISTER
, address
, value
, 4);
1510 tmp
= le32_to_cpu(*((__le32
*) value
));
1513 value
[0] = (u8
) tmp
;
1514 value
[1] = (u8
) (tmp
>> 8);
1515 value
[2] = (u8
) (tmp
>> 16);
1516 value
[3] = (u8
) (tmp
>> 24);
1519 cx231xx_write_ctrl_reg(dev
, VRT_SET_REGISTER
, address
, value
, 4);
1524 /*****************************************************************
1525 * I 2 C Internal C O N T R O L functions *
1526 *****************************************************************/
1527 int cx231xx_read_i2c_master(struct cx231xx
*dev
, u8 dev_addr
, u16 saddr
,
1528 u8 saddr_len
, u32
*data
, u8 data_len
, int master
)
1531 struct cx231xx_i2c_xfer_data req_data
;
1536 else if (saddr_len
== 1)
1539 /* prepare xfer_data struct */
1540 req_data
.dev_addr
= dev_addr
>> 1;
1541 req_data
.direction
= I2C_M_RD
;
1542 req_data
.saddr_len
= saddr_len
;
1543 req_data
.saddr_dat
= saddr
;
1544 req_data
.buf_size
= data_len
;
1545 req_data
.p_buffer
= (u8
*) value
;
1547 /* usb send command */
1549 status
= dev
->cx231xx_send_usb_command(&dev
->i2c_bus
[0],
1551 else if (master
== 1)
1552 status
= dev
->cx231xx_send_usb_command(&dev
->i2c_bus
[1],
1554 else if (master
== 2)
1555 status
= dev
->cx231xx_send_usb_command(&dev
->i2c_bus
[2],
1559 /* Copy the data read back to main buffer */
1562 else if (data_len
== 4)
1564 value
[0] | value
[1] << 8 | value
[2] << 16 | value
[3]
1566 else if (data_len
> 4)
1567 *data
= value
[saddr
];
1573 int cx231xx_write_i2c_master(struct cx231xx
*dev
, u8 dev_addr
, u16 saddr
,
1574 u8 saddr_len
, u32 data
, u8 data_len
, int master
)
1577 u8 value
[4] = { 0, 0, 0, 0 };
1578 struct cx231xx_i2c_xfer_data req_data
;
1580 value
[0] = (u8
) data
;
1581 value
[1] = (u8
) (data
>> 8);
1582 value
[2] = (u8
) (data
>> 16);
1583 value
[3] = (u8
) (data
>> 24);
1587 else if (saddr_len
== 1)
1590 /* prepare xfer_data struct */
1591 req_data
.dev_addr
= dev_addr
>> 1;
1592 req_data
.direction
= 0;
1593 req_data
.saddr_len
= saddr_len
;
1594 req_data
.saddr_dat
= saddr
;
1595 req_data
.buf_size
= data_len
;
1596 req_data
.p_buffer
= value
;
1598 /* usb send command */
1600 status
= dev
->cx231xx_send_usb_command(&dev
->i2c_bus
[0],
1602 else if (master
== 1)
1603 status
= dev
->cx231xx_send_usb_command(&dev
->i2c_bus
[1],
1605 else if (master
== 2)
1606 status
= dev
->cx231xx_send_usb_command(&dev
->i2c_bus
[2],
1612 int cx231xx_read_i2c_data(struct cx231xx
*dev
, u8 dev_addr
, u16 saddr
,
1613 u8 saddr_len
, u32
*data
, u8 data_len
)
1616 struct cx231xx_i2c_xfer_data req_data
;
1617 u8 value
[4] = { 0, 0, 0, 0 };
1621 else if (saddr_len
== 1)
1624 /* prepare xfer_data struct */
1625 req_data
.dev_addr
= dev_addr
>> 1;
1626 req_data
.direction
= I2C_M_RD
;
1627 req_data
.saddr_len
= saddr_len
;
1628 req_data
.saddr_dat
= saddr
;
1629 req_data
.buf_size
= data_len
;
1630 req_data
.p_buffer
= (u8
*) value
;
1632 /* usb send command */
1633 status
= dev
->cx231xx_send_usb_command(&dev
->i2c_bus
[0], &req_data
);
1636 /* Copy the data read back to main buffer */
1641 value
[0] | value
[1] << 8 | value
[2] << 16 | value
[3]
1648 int cx231xx_write_i2c_data(struct cx231xx
*dev
, u8 dev_addr
, u16 saddr
,
1649 u8 saddr_len
, u32 data
, u8 data_len
)
1652 u8 value
[4] = { 0, 0, 0, 0 };
1653 struct cx231xx_i2c_xfer_data req_data
;
1655 value
[0] = (u8
) data
;
1656 value
[1] = (u8
) (data
>> 8);
1657 value
[2] = (u8
) (data
>> 16);
1658 value
[3] = (u8
) (data
>> 24);
1662 else if (saddr_len
== 1)
1665 /* prepare xfer_data struct */
1666 req_data
.dev_addr
= dev_addr
>> 1;
1667 req_data
.direction
= 0;
1668 req_data
.saddr_len
= saddr_len
;
1669 req_data
.saddr_dat
= saddr
;
1670 req_data
.buf_size
= data_len
;
1671 req_data
.p_buffer
= value
;
1673 /* usb send command */
1674 status
= dev
->cx231xx_send_usb_command(&dev
->i2c_bus
[0], &req_data
);
1679 int cx231xx_reg_mask_write(struct cx231xx
*dev
, u8 dev_addr
, u8 size
,
1680 u16 register_address
, u8 bit_start
, u8 bit_end
,
1688 if (bit_start
> (size
- 1) || bit_end
> (size
- 1))
1693 cx231xx_read_i2c_data(dev
, dev_addr
, register_address
, 2,
1697 cx231xx_read_i2c_data(dev
, dev_addr
, register_address
, 2,
1704 mask
= 1 << bit_end
;
1705 for (i
= bit_end
; i
> bit_start
&& i
> 0; i
--)
1706 mask
= mask
+ (1 << (i
- 1));
1708 value
<<= bit_start
;
1715 cx231xx_write_i2c_data(dev
, dev_addr
, register_address
, 2,
1721 cx231xx_write_i2c_data(dev
, dev_addr
, register_address
, 2,
1728 int cx231xx_read_modify_write_i2c_dword(struct cx231xx
*dev
, u8 dev_addr
,
1729 u16 saddr
, u32 mask
, u32 value
)
1734 status
= cx231xx_read_i2c_data(dev
, dev_addr
, saddr
, 2, &temp
, 4);
1742 status
= cx231xx_write_i2c_data(dev
, dev_addr
, saddr
, 2, temp
, 4);
1747 u32
cx231xx_set_field(u32 field_mask
, u32 data
)
1751 for (temp
= field_mask
; (temp
& 1) == 0; temp
>>= 1)