56 			 dev->name, __func__ , ##arg); } while (0)
65 			 dev->name, __func__ , ##arg); } while (0)
71 			 dev->name, __func__ , ##arg); } while (0)
77 int em28xx_read_reg_req_len(struct em28xx *dev, u8 req, u16 reg,  in em28xx_read_reg_req_len()  argument
81 	int pipe = usb_rcvctrlpipe(dev->udev, 0);  in em28xx_read_reg_req_len()
83 	if (dev->disconnected)  in em28xx_read_reg_req_len()
99 	mutex_lock(&dev->ctrl_urb_lock);  in em28xx_read_reg_req_len()
100 	ret = usb_control_msg(dev->udev, pipe, req,  in em28xx_read_reg_req_len()
102 			      0x0000, reg, dev->urb_buf, len, HZ);  in em28xx_read_reg_req_len()
106 		mutex_unlock(&dev->ctrl_urb_lock);  in em28xx_read_reg_req_len()
111 		memcpy(buf, dev->urb_buf, len);  in em28xx_read_reg_req_len()
113 	mutex_unlock(&dev->ctrl_urb_lock);  in em28xx_read_reg_req_len()
131 int em28xx_read_reg_req(struct em28xx *dev, u8 req, u16 reg)  in em28xx_read_reg_req()  argument
136 	ret = em28xx_read_reg_req_len(dev, req, reg, &val, 1);  in em28xx_read_reg_req()
143 int em28xx_read_reg(struct em28xx *dev, u16 reg)  in em28xx_read_reg()  argument
145 	return em28xx_read_reg_req(dev, USB_REQ_GET_STATUS, reg);  in em28xx_read_reg()
153 int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf,  in em28xx_write_regs_req()  argument
157 	int pipe = usb_sndctrlpipe(dev->udev, 0);  in em28xx_write_regs_req()
159 	if (dev->disconnected)  in em28xx_write_regs_req()
181 	mutex_lock(&dev->ctrl_urb_lock);  in em28xx_write_regs_req()
182 	memcpy(dev->urb_buf, buf, len);  in em28xx_write_regs_req()
183 	ret = usb_control_msg(dev->udev, pipe, req,  in em28xx_write_regs_req()
185 			      0x0000, reg, dev->urb_buf, len, HZ);  in em28xx_write_regs_req()
186 	mutex_unlock(&dev->ctrl_urb_lock);  in em28xx_write_regs_req()
191 	if (dev->wait_after_write)  in em28xx_write_regs_req()
192 		msleep(dev->wait_after_write);  in em28xx_write_regs_req()
197 int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len)  in em28xx_write_regs()  argument
199 	return em28xx_write_regs_req(dev, USB_REQ_GET_STATUS, reg, buf, len);  in em28xx_write_regs()
204 int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val)  in em28xx_write_reg()  argument
206 	return em28xx_write_regs(dev, reg, &val, 1);  in em28xx_write_reg()
215 int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val,  in em28xx_write_reg_bits()  argument
221 	oldval = em28xx_read_reg(dev, reg);  in em28xx_write_reg_bits()
227 	return em28xx_write_regs(dev, reg, &newval, 1);  in em28xx_write_reg_bits()
235 int em28xx_toggle_reg_bits(struct em28xx *dev, u16 reg, u8 bitmask)  in em28xx_toggle_reg_bits()  argument
240 	oldval = em28xx_read_reg(dev, reg);  in em28xx_toggle_reg_bits()
246 	return em28xx_write_reg(dev, reg, newval);  in em28xx_toggle_reg_bits()
254 static int em28xx_is_ac97_ready(struct em28xx *dev)  in em28xx_is_ac97_ready()  argument
261 		ret = em28xx_read_reg(dev, EM28XX_R43_AC97BUSY);  in em28xx_is_ac97_ready()
278 int em28xx_read_ac97(struct em28xx *dev, u8 reg)  in em28xx_read_ac97()  argument
284 	ret = em28xx_is_ac97_ready(dev);  in em28xx_read_ac97()
288 	ret = em28xx_write_regs(dev, EM28XX_R42_AC97ADDR, &addr, 1);  in em28xx_read_ac97()
292 	ret = dev->em28xx_read_reg_req_len(dev, 0, EM28XX_R40_AC97LSB,  in em28xx_read_ac97()
305 int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val)  in em28xx_write_ac97()  argument
313 	ret = em28xx_is_ac97_ready(dev);  in em28xx_write_ac97()
317 	ret = em28xx_write_regs(dev, EM28XX_R40_AC97LSB, (u8 *)&value, 2);  in em28xx_write_ac97()
321 	ret = em28xx_write_regs(dev, EM28XX_R42_AC97ADDR, &addr, 1);  in em28xx_write_ac97()
344 static int set_ac97_input(struct em28xx *dev)  in set_ac97_input()  argument
347 	enum em28xx_amux amux = dev->ctl_ainput;  in set_ac97_input()
358 			ret = em28xx_write_ac97(dev, inputs[i].reg, 0x0808);  in set_ac97_input()
360 			ret = em28xx_write_ac97(dev, inputs[i].reg, 0x8000);  in set_ac97_input()
369 static int em28xx_set_audio_source(struct em28xx *dev)  in em28xx_set_audio_source()  argument
374 	if (dev->board.is_em2800) {  in em28xx_set_audio_source()
375 		if (dev->ctl_ainput == EM28XX_AMUX_VIDEO)  in em28xx_set_audio_source()
380 		ret = em28xx_write_regs(dev, EM2800_R08_AUDIOSRC, &input, 1);  in em28xx_set_audio_source()
385 	if (dev->board.has_msp34xx)  in em28xx_set_audio_source()
388 		switch (dev->ctl_ainput) {  in em28xx_set_audio_source()
398 	if (dev->board.mute_gpio && dev->mute)  in em28xx_set_audio_source()
399 		em28xx_gpio_set(dev, dev->board.mute_gpio);  in em28xx_set_audio_source()
401 		em28xx_gpio_set(dev, INPUT(dev->ctl_input)->gpio);  in em28xx_set_audio_source()
403 	ret = em28xx_write_reg_bits(dev, EM28XX_R0E_AUDIOSRC, input, 0xc0);  in em28xx_set_audio_source()
408 	switch (dev->audio_mode.ac97) {  in em28xx_set_audio_source()
412 		ret = set_ac97_input(dev);  in em28xx_set_audio_source()
431 int em28xx_audio_analog_set(struct em28xx *dev)  in em28xx_audio_analog_set()  argument
436 	if (dev->int_audio_type == EM28XX_INT_AUDIO_NONE)  in em28xx_audio_analog_set()
442 	if (dev->audio_mode.ac97 != EM28XX_NO_AC97) {  in em28xx_audio_analog_set()
445 			ret = em28xx_write_ac97(dev, outputs[i].reg, 0x8000);  in em28xx_audio_analog_set()
452 	xclk = dev->board.xclk & 0x7f;  in em28xx_audio_analog_set()
453 	if (!dev->mute)  in em28xx_audio_analog_set()
456 	ret = em28xx_write_reg(dev, EM28XX_R0F_XCLK, xclk);  in em28xx_audio_analog_set()
462 	ret = em28xx_set_audio_source(dev);  in em28xx_audio_analog_set()
465 	if (dev->audio_mode.ac97 != EM28XX_NO_AC97) {  in em28xx_audio_analog_set()
468 		em28xx_write_ac97(dev, AC97_POWERDOWN, 0x4200);  in em28xx_audio_analog_set()
469 		em28xx_write_ac97(dev, AC97_EXTENDED_STATUS, 0x0031);  in em28xx_audio_analog_set()
470 		em28xx_write_ac97(dev, AC97_PCM_LR_ADC_RATE, 0xbb80);  in em28xx_audio_analog_set()
473 		vol = (0x1f - dev->volume) | ((0x1f - dev->volume) << 8);  in em28xx_audio_analog_set()
476 		if (dev->mute)  in em28xx_audio_analog_set()
481 			if (dev->ctl_aoutput & outputs[i].mux)  in em28xx_audio_analog_set()
482 				ret = em28xx_write_ac97(dev, outputs[i].reg,  in em28xx_audio_analog_set()
489 		if (dev->ctl_aoutput & EM28XX_AOUT_PCM_IN) {  in em28xx_audio_analog_set()
490 			int sel = ac97_return_record_select(dev->ctl_aoutput);  in em28xx_audio_analog_set()
496 			em28xx_write_ac97(dev, AC97_REC_SEL, sel);  in em28xx_audio_analog_set()
504 int em28xx_audio_setup(struct em28xx *dev)  in em28xx_audio_setup()  argument
510 	if (dev->chip_id == CHIP_ID_EM2870 ||  in em28xx_audio_setup()
511 	    dev->chip_id == CHIP_ID_EM2874 ||  in em28xx_audio_setup()
512 	    dev->chip_id == CHIP_ID_EM28174 ||  in em28xx_audio_setup()
513 	    dev->chip_id == CHIP_ID_EM28178) {  in em28xx_audio_setup()
515 		dev->int_audio_type = EM28XX_INT_AUDIO_NONE;  in em28xx_audio_setup()
516 		dev->usb_audio_type = EM28XX_USB_AUDIO_NONE;  in em28xx_audio_setup()
521 	cfg = em28xx_read_reg(dev, EM28XX_R00_CHIPCFG);  in em28xx_audio_setup()
525 		dev->int_audio_type = EM28XX_INT_AUDIO_AC97;  in em28xx_audio_setup()
528 		dev->int_audio_type = EM28XX_INT_AUDIO_NONE;  in em28xx_audio_setup()
529 		dev->usb_audio_type = EM28XX_USB_AUDIO_NONE;  in em28xx_audio_setup()
532 		dev->int_audio_type = EM28XX_INT_AUDIO_I2S;  in em28xx_audio_setup()
533 		if (dev->chip_id < CHIP_ID_EM2860 &&  in em28xx_audio_setup()
537 		else if (dev->chip_id >= CHIP_ID_EM2860 &&  in em28xx_audio_setup()
546 		dev->audio_mode.ac97 = EM28XX_NO_AC97;  in em28xx_audio_setup()
549 		dev->int_audio_type = EM28XX_INT_AUDIO_AC97;  in em28xx_audio_setup()
552 	dev->audio_mode.ac97 = EM28XX_AC97_OTHER;  in em28xx_audio_setup()
554 	vid1 = em28xx_read_ac97(dev, AC97_VENDOR_ID1);  in em28xx_audio_setup()
562 		dev->audio_mode.ac97 = EM28XX_NO_AC97;  in em28xx_audio_setup()
563 		if (dev->usb_audio_type == EM28XX_USB_AUDIO_VENDOR)  in em28xx_audio_setup()
564 			dev->usb_audio_type = EM28XX_USB_AUDIO_NONE;  in em28xx_audio_setup()
565 		dev->int_audio_type = EM28XX_INT_AUDIO_NONE;  in em28xx_audio_setup()
569 	vid2 = em28xx_read_ac97(dev, AC97_VENDOR_ID2);  in em28xx_audio_setup()
576 	feat = em28xx_read_ac97(dev, AC97_RESET);  in em28xx_audio_setup()
584 		dev->audio_mode.ac97 = EM28XX_AC97_EM202;  in em28xx_audio_setup()
586 		dev->audio_mode.ac97 = EM28XX_AC97_SIGMATEL;  in em28xx_audio_setup()
590 	switch (dev->audio_mode.ac97) {  in em28xx_audio_setup()
608 	return em28xx_audio_analog_set(dev);  in em28xx_audio_setup()
612 const struct em28xx_led *em28xx_find_led(struct em28xx *dev,  in em28xx_find_led()  argument
615 	if (dev->board.leds) {  in em28xx_find_led()
618 		while (dev->board.leds[k].role >= 0 &&  in em28xx_find_led()
619 		       dev->board.leds[k].role < EM28XX_NUM_LED_ROLES) {  in em28xx_find_led()
620 			if (dev->board.leds[k].role == role)  in em28xx_find_led()
621 				return &dev->board.leds[k];  in em28xx_find_led()
629 int em28xx_capture_start(struct em28xx *dev, int start)  in em28xx_capture_start()  argument
634 	if (dev->chip_id == CHIP_ID_EM2874 ||  in em28xx_capture_start()
635 	    dev->chip_id == CHIP_ID_EM2884 ||  in em28xx_capture_start()
636 	    dev->chip_id == CHIP_ID_EM28174 ||  in em28xx_capture_start()
637 	    dev->chip_id == CHIP_ID_EM28178) {  in em28xx_capture_start()
639 		rc = em28xx_write_reg_bits(dev, EM2874_R5F_TS_ENABLE,  in em28xx_capture_start()
646 		rc = em28xx_write_reg_bits(dev, EM28XX_R0C_USBSUSP,  in em28xx_capture_start()
652 			if (dev->board.is_webcam)  in em28xx_capture_start()
653 				rc = em28xx_write_reg(dev, 0x13, 0x0c);  in em28xx_capture_start()
656 			rc = em28xx_write_reg(dev, 0x48, 0x00);  in em28xx_capture_start()
660 			if (dev->mode == EM28XX_ANALOG_MODE)  in em28xx_capture_start()
661 				rc = em28xx_write_reg(dev,  in em28xx_capture_start()
665 				rc = em28xx_write_reg(dev,  in em28xx_capture_start()
674 			rc = em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x27);  in em28xx_capture_start()
678 	if (dev->mode == EM28XX_ANALOG_MODE)  in em28xx_capture_start()
679 		led = em28xx_find_led(dev, EM28XX_LED_ANALOG_CAPTURING);  in em28xx_capture_start()
681 		led = em28xx_find_led(dev, EM28XX_LED_DIGITAL_CAPTURING);  in em28xx_capture_start()
684 		em28xx_write_reg_bits(dev, led->gpio_reg,  in em28xx_capture_start()
692 int em28xx_gpio_set(struct em28xx *dev, struct em28xx_reg_seq *gpio)  in em28xx_gpio_set()  argument
699 	if (dev->mode != EM28XX_SUSPEND) {  in em28xx_gpio_set()
700 		em28xx_write_reg(dev, 0x48, 0x00);  in em28xx_gpio_set()
701 		if (dev->mode == EM28XX_ANALOG_MODE)  in em28xx_gpio_set()
702 			em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x67);  in em28xx_gpio_set()
704 			em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x37);  in em28xx_gpio_set()
711 			rc = em28xx_write_reg_bits(dev,  in em28xx_gpio_set()
727 int em28xx_set_mode(struct em28xx *dev, enum em28xx_mode set_mode)  in em28xx_set_mode()  argument
729 	if (dev->mode == set_mode)  in em28xx_set_mode()
733 		dev->mode = set_mode;  in em28xx_set_mode()
737 		return em28xx_gpio_set(dev, dev->board.suspend_gpio);  in em28xx_set_mode()
740 	dev->mode = set_mode;  in em28xx_set_mode()
742 	if (dev->mode == EM28XX_DIGITAL_MODE)  in em28xx_set_mode()
743 		return em28xx_gpio_set(dev, dev->board.dvb_gpio);  in em28xx_set_mode()
745 		return em28xx_gpio_set(dev, INPUT(dev->ctl_input)->gpio);  in em28xx_set_mode()
758 	struct em28xx *dev = urb->context;  in em28xx_irq_callback()  local
775 	spin_lock(&dev->slock);  in em28xx_irq_callback()
776 	dev->usb_ctl.urb_data_copy(dev, urb);  in em28xx_irq_callback()
777 	spin_unlock(&dev->slock);  in em28xx_irq_callback()
797 void em28xx_uninit_usb_xfer(struct em28xx *dev, enum em28xx_mode mode)  in em28xx_uninit_usb_xfer()  argument
807 		usb_bufs = &dev->usb_ctl.digital_bufs;  in em28xx_uninit_usb_xfer()
809 		usb_bufs = &dev->usb_ctl.analog_bufs;  in em28xx_uninit_usb_xfer()
820 				usb_free_coherent(dev->udev,  in em28xx_uninit_usb_xfer()
838 	em28xx_capture_start(dev, 0);  in em28xx_uninit_usb_xfer()
845 void em28xx_stop_urbs(struct em28xx *dev)  in em28xx_stop_urbs()  argument
849 	struct em28xx_usb_bufs *isoc_bufs = &dev->usb_ctl.digital_bufs;  in em28xx_stop_urbs()
863 	em28xx_capture_start(dev, 0);  in em28xx_stop_urbs()
870 int em28xx_alloc_urbs(struct em28xx *dev, enum em28xx_mode mode, int xfer_bulk,  in em28xx_alloc_urbs()  argument
884 		if ((xfer_bulk && !dev->dvb_ep_bulk) ||  in em28xx_alloc_urbs()
885 		    (!xfer_bulk && !dev->dvb_ep_isoc)) {  in em28xx_alloc_urbs()
890 		usb_bufs = &dev->usb_ctl.digital_bufs;  in em28xx_alloc_urbs()
892 		if ((xfer_bulk && !dev->analog_ep_bulk) ||  in em28xx_alloc_urbs()
893 		    (!xfer_bulk && !dev->analog_ep_isoc)) {  in em28xx_alloc_urbs()
898 		usb_bufs = &dev->usb_ctl.analog_bufs;  in em28xx_alloc_urbs()
905 	em28xx_uninit_usb_xfer(dev, mode);  in em28xx_alloc_urbs()
928 	dev->usb_ctl.vid_buf = NULL;  in em28xx_alloc_urbs()
929 	dev->usb_ctl.vbi_buf = NULL;  in em28xx_alloc_urbs()
938 			em28xx_uninit_usb_xfer(dev, mode);  in em28xx_alloc_urbs()
943 		usb_bufs->transfer_buffer[i] = usb_alloc_coherent(dev->udev,  in em28xx_alloc_urbs()
950 			em28xx_uninit_usb_xfer(dev, mode);  in em28xx_alloc_urbs()
956 			pipe = usb_rcvbulkpipe(dev->udev,  in em28xx_alloc_urbs()
958 					       dev->analog_ep_bulk :  in em28xx_alloc_urbs()
959 					       dev->dvb_ep_bulk);  in em28xx_alloc_urbs()
960 			usb_fill_bulk_urb(urb, dev->udev, pipe,  in em28xx_alloc_urbs()
962 					  em28xx_irq_callback, dev);  in em28xx_alloc_urbs()
965 			pipe = usb_rcvisocpipe(dev->udev,  in em28xx_alloc_urbs()
967 					       dev->analog_ep_isoc :  in em28xx_alloc_urbs()
968 					       dev->dvb_ep_isoc);  in em28xx_alloc_urbs()
969 			usb_fill_int_urb(urb, dev->udev, pipe,  in em28xx_alloc_urbs()
971 					 em28xx_irq_callback, dev, 1);  in em28xx_alloc_urbs()
993 int em28xx_init_usb_xfer(struct em28xx *dev, enum em28xx_mode mode,  in em28xx_init_usb_xfer()  argument
996 		    int (*urb_data_copy)(struct em28xx *dev, struct urb *urb))  in em28xx_init_usb_xfer()  argument
998 	struct em28xx_dmaqueue *dma_q = &dev->vidq;  in em28xx_init_usb_xfer()
999 	struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq;  in em28xx_init_usb_xfer()
1008 	dev->usb_ctl.urb_data_copy = urb_data_copy;  in em28xx_init_usb_xfer()
1011 		usb_bufs = &dev->usb_ctl.digital_bufs;  in em28xx_init_usb_xfer()
1015 		usb_bufs = &dev->usb_ctl.analog_bufs;  in em28xx_init_usb_xfer()
1020 		rc = em28xx_alloc_urbs(dev, mode, xfer_bulk, num_bufs,  in em28xx_init_usb_xfer()
1027 		rc = usb_clear_halt(dev->udev, usb_bufs->urb[0]->pipe);  in em28xx_init_usb_xfer()
1031 			em28xx_uninit_usb_xfer(dev, mode);  in em28xx_init_usb_xfer()
1039 	em28xx_capture_start(dev, 1);  in em28xx_init_usb_xfer()
1047 			em28xx_uninit_usb_xfer(dev, mode);  in em28xx_init_usb_xfer()
1071 	struct em28xx *dev = NULL;  in em28xx_register_extension()  local
1075 	list_for_each_entry(dev, &em28xx_devlist, devlist) {  in em28xx_register_extension()
1076 		ops->init(dev);  in em28xx_register_extension()
1086 	struct em28xx *dev = NULL;  in em28xx_unregister_extension()  local
1089 	list_for_each_entry(dev, &em28xx_devlist, devlist) {  in em28xx_unregister_extension()
1090 		ops->fini(dev);  in em28xx_unregister_extension()
1098 void em28xx_init_extension(struct em28xx *dev)  in em28xx_init_extension()  argument
1103 	list_add_tail(&dev->devlist, &em28xx_devlist);  in em28xx_init_extension()
1106 			ops->init(dev);  in em28xx_init_extension()
1111 void em28xx_close_extension(struct em28xx *dev)  in em28xx_close_extension()  argument
1118 			ops->fini(dev);  in em28xx_close_extension()
1120 	list_del(&dev->devlist);  in em28xx_close_extension()
1124 int em28xx_suspend_extension(struct em28xx *dev)  in em28xx_suspend_extension()  argument
1132 			ops->suspend(dev);  in em28xx_suspend_extension()
1138 int em28xx_resume_extension(struct em28xx *dev)  in em28xx_resume_extension()  argument
1146 			ops->resume(dev);  in em28xx_resume_extension()