31  *   iConfiguration          0
32  *     bInterfaceNumber        0
35  *       bEndpointAddress     0x81  EP 1 IN
38  *       wMaxPacketSize     0x1400  3x 1024 bytes
58 		.tuner = 0,
60 		.index = 0,
78 #if 0
213  * Number 2 (0b10) was never seen.
245 	unsigned int i, j, transactions, dst_len = 0;  in msi2500_convert_stream()
251 	for (i = 0; i < transactions; i++) {  in msi2500_convert_stream()
253 				src[0] << 0;  in msi2500_convert_stream()
254 		if (i == 0 && dev->next_sample != sample[0]) {  in msi2500_convert_stream()
257 					    sample[0] - dev->next_sample,  in msi2500_convert_stream()
259 					    sample[0]);  in msi2500_convert_stream()
276 			for (j = 0; j < 1008; j++)  in msi2500_convert_stream()
292 			for (j = 0; j < 1008; j += 2) {  in msi2500_convert_stream()
378 	if (unlikely(urb->status != 0)) {  in msi2500_isoc_handler()
386 		dev->isoc_errors = 0;  in msi2500_isoc_handler()
390 	for (i = 0; i < urb->number_of_packets; i++) {  in msi2500_isoc_handler()
404 		if (unlikely(flen == 0))  in msi2500_isoc_handler()
420 		ptr = vb2_plane_vaddr(&fbuf->vb.vb2_buf, 0);  in msi2500_isoc_handler()
422 		vb2_set_plane_payload(&fbuf->vb.vb2_buf, 0, flen);  in msi2500_isoc_handler()
428 	if (unlikely(i != 0))  in msi2500_isoc_handler()
439 	for (i = 0; i < MAX_ISO_BUFS; i++) {  in msi2500_iso_stop()
454 	for (i = 0; i < MAX_ISO_BUFS; i++) {  in msi2500_iso_free()
486 	dev->isoc_errors = 0;  in msi2500_isoc_init()
488 	ret = usb_set_interface(dev->udev, 0, 1);  in msi2500_isoc_init()
493 	for (i = 0; i < MAX_ISO_BUFS; i++) {  in msi2500_isoc_init()
500 		dev_dbg(dev->dev, "Allocated URB at 0x%p\n", urb);  in msi2500_isoc_init()
504 		urb->pipe = usb_rcvisocpipe(dev->udev, 0x81);  in msi2500_isoc_init()
518 		urb->start_frame = 0;  in msi2500_isoc_init()
520 		for (j = 0; j < ISO_FRAMES_PER_DESC; j++) {  in msi2500_isoc_init()
527 	for (i = 0; i < MAX_ISO_BUFS; i++) {  in msi2500_isoc_init()
536 		dev_dbg(dev->dev, "URB 0x%p submitted.\n", dev->urbs[i]);  in msi2500_isoc_init()
540 	return 0;  in msi2500_isoc_init()
594 	return 0;  in msi2500_querycap()
610 	sizes[0] = PAGE_ALIGN(dev->buffersize);  in msi2500_queue_setup()
611 	dev_dbg(dev->dev, "nbuffers=%d sizes[0]=%d\n", *nbuffers, sizes[0]);  in msi2500_queue_setup()
612 	return 0;  in msi2500_queue_setup()
635 #define CMD_WREG               0x41
636 #define CMD_START_STREAMING    0x43
637 #define CMD_STOP_STREAMING     0x45
638 #define CMD_READ_UNKNOWN       0x48
647 			_t, _r, _v & 0xff, _v >> 8, _i & 0xff, _i >> 8, \
648 			_l & 0xff, _l >> 8, _direction, _l, _b); \
656 	u16 value = (data >> 0) & 0xffff;  in msi2500_ctrl_msg()
657 	u16 index = (data >> 16) & 0xffff;  in msi2500_ctrl_msg()
660 				    value, index, NULL, 0);  in msi2500_ctrl_msg()
661 	ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), request,  in msi2500_ctrl_msg()
662 			      requesttype, value, index, NULL, 0, 2000);  in msi2500_ctrl_msg()
692 		reg7 = 0x000c9407; /* 504 */  in msi2500_set_usb_adc()
695 		reg7 = 0x00009407; /* 252 */  in msi2500_set_usb_adc()
698 		reg7 = 0x000c9407; /* 504 */  in msi2500_set_usb_adc()
701 		reg7 = 0x0000a507; /* 384 */  in msi2500_set_usb_adc()
704 		reg7 = 0x00008507; /* 336 */  in msi2500_set_usb_adc()
707 		reg7 = 0x00009407; /* 252 */  in msi2500_set_usb_adc()
710 		reg7 = 0x000c9407; /* 504 */  in msi2500_set_usb_adc()
732 	 * [7:0]   0x03, register address  in msi2500_set_usb_adc()
736 	 * [13]    0 ?  in msi2500_set_usb_adc()
737 	 * [14]    0 ?  in msi2500_set_usb_adc()
741 	 * [24:31] 0x01  in msi2500_set_usb_adc()
745 	 *   0     - (invalid)  in msi2500_set_usb_adc()
760 	reg3 = 0x01000303;  in msi2500_set_usb_adc()
761 	reg4 = 0x00000004;  in msi2500_set_usb_adc()
765 		reg3 |= 0x1 << 20;  in msi2500_set_usb_adc()
767 		reg3 |= 0x5 << 20;  in msi2500_set_usb_adc()
769 		reg3 |= 0x9 << 20;  in msi2500_set_usb_adc()
771 		reg3 |= 0xd << 20;  in msi2500_set_usb_adc()
782 	k_cw = div_u64((u64) k * 0x200000, DIV_PRE_N * F_REF);  in msi2500_set_usb_adc()
786 	reg3 |= ((k_cw >> 20) & 0x000001) << 15; /* [20] */  in msi2500_set_usb_adc()
787 	reg4 |= ((k_cw >>  0) & 0x0fffff) <<  8; /* [19:0] */  in msi2500_set_usb_adc()
793 	ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00608008);  in msi2500_set_usb_adc()
797 	ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00000c05);  in msi2500_set_usb_adc()
801 	ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00020000);  in msi2500_set_usb_adc()
805 	ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00480102);  in msi2500_set_usb_adc()
809 	ret = msi2500_ctrl_msg(dev, CMD_WREG, 0x00f38008);  in msi2500_set_usb_adc()
848 	ret = msi2500_ctrl_msg(dev, CMD_START_STREAMING, 0);  in msi2500_start_streaming()
870 	if (dev->udev && !msi2500_ctrl_msg(dev, CMD_STOP_STREAMING, 0)) {  in msi2500_stop_streaming()
872 		msi2500_ctrl_msg(dev, CMD_WREG, 0x01000003);  in msi2500_stop_streaming()
876 	v4l2_subdev_call(dev->v4l2_subdev, core, s_power, 0);  in msi2500_stop_streaming()
902 	return 0;  in msi2500_enum_fmt_sdr_cap()
916 	return 0;  in msi2500_g_fmt_sdr_cap()
932 	for (i = 0; i < dev->num_formats; i++) {  in msi2500_s_fmt_sdr_cap()
937 			return 0;  in msi2500_s_fmt_sdr_cap()
941 	dev->pixelformat = formats[0].pixelformat;  in msi2500_s_fmt_sdr_cap()
942 	dev->buffersize = formats[0].buffersize;  in msi2500_s_fmt_sdr_cap()
943 	f->fmt.sdr.pixelformat = formats[0].pixelformat;  in msi2500_s_fmt_sdr_cap()
944 	f->fmt.sdr.buffersize = formats[0].buffersize;  in msi2500_s_fmt_sdr_cap()
946 	return 0;  in msi2500_s_fmt_sdr_cap()
958 	for (i = 0; i < dev->num_formats; i++) {  in msi2500_try_fmt_sdr_cap()
961 			return 0;  in msi2500_try_fmt_sdr_cap()
965 	f->fmt.sdr.pixelformat = formats[0].pixelformat;  in msi2500_try_fmt_sdr_cap()
966 	f->fmt.sdr.buffersize = formats[0].buffersize;  in msi2500_try_fmt_sdr_cap()
968 	return 0;  in msi2500_try_fmt_sdr_cap()
979 	if (v->index == 0)  in msi2500_s_tuner()
980 		ret = 0;  in msi2500_s_tuner()
996 	if (v->index == 0) {  in msi2500_g_tuner()
1002 		ret = 0;  in msi2500_g_tuner()
1016 	int ret  = 0;  in msi2500_g_frequency()
1020 	if (f->tuner == 0) {  in msi2500_g_frequency()
1022 		ret = 0;  in msi2500_g_frequency()
1042 	if (f->tuner == 0) {  in msi2500_s_frequency()
1044 				     bands[0].rangelow,  in msi2500_s_frequency()
1045 				     bands[0].rangehigh);  in msi2500_s_frequency()
1066 	if (band->tuner == 0) {  in msi2500_enum_freq_bands()
1071 			ret = 0;  in msi2500_enum_freq_bands()
1144 	int ret = 0;  in msi2500_transfer_one_message()
1149 		data = 0x09; /* reg 9 is SPI adapter */  in msi2500_transfer_one_message()
1150 		data |= ((u8 *)t->tx_buf)[0] << 8;  in msi2500_transfer_one_message()
1170 		.bus_num		= 0,  in msi2500_probe()
1171 		.chip_select		= 0,  in msi2500_probe()
1187 	dev->f_adc = bands[0].rangelow;  in msi2500_probe()
1188 	dev->pixelformat = formats[0].pixelformat;  in msi2500_probe()
1189 	dev->buffersize = formats[0].buffersize;  in msi2500_probe()
1223 	ctlr = spi_alloc_master(dev->dev, 0);  in msi2500_probe()
1250 	v4l2_ctrl_handler_init(&dev->hdl, 0);  in msi2500_probe()
1276 	return 0;  in msi2500_probe()
1291 	{USB_DEVICE(0x1df7, 0x2500)}, /* Mirics MSi3101 SDR Dongle */
1292 	{USB_DEVICE(0x2040, 0xd300)}, /* Hauppauge WinTV 133559 LF */