1 /* SPDX-License-Identifier: GPL-2.0 */
6  * Copyright (C) 2005-2006 by Texas Instruments
7  * Copyright (C) 2006-2007 Nokia Corporation
32 /* Helper defines for struct musb->hwvers */
51 /* NOTE:  otg and peripheral-only state machines start at B_IDLE.
52  * OTG or host-only go to A_IDLE when ID is sensed.
54 #define is_peripheral_active(m)		(!(m)->is_host)
55 #define is_host_active(m)		((m)->is_host)
99 	{ (_musb)->is_host = true; }
101 	{ (_musb)->is_host = false; }
104 	(musb_readb((_x)->mregs, MUSB_DEVCTL)&MUSB_DEVCTL_HM)
106 #define MUSB_MODE(musb) ((musb)->is_host ? "Host" : "Peripheral")
113  * struct musb_platform_ops - Operations passed to musb_core by HW glue layer
114  * @quirks:	flags for platform specific quirks
123  * @clearb:	could be clear-on-readb or W1C
126  * @clearw:	could be clear-on-readw or W1C
129  * @get_toggle:	platform specific get toggle function
130  * @set_toggle:	platform specific set toggle function
131  * @dma_init:	platform specific dma init function
132  * @dma_exit:	platform specific dma exit function
133  * @init:	turns on clocks, sets up platform-specific registers, etc
137  * @recover:	platform-specific babble recovery
196  * struct musb_hw_ep - endpoint hardware (bidirectional)
198  * Ordered slightly for better cacheline locality.
209 	/* index in musb->endpoints[]  */
243 	return next_request(&hw_ep->ep_in);  in next_in_request()
248 	return next_request(&hw_ep->ep_out);  in next_out_request()
275  * struct musb - Driver instance data.
334 	/* passed down from chip/board specific irq handlers */
379 	(((type) == USB_ENDPOINT_XFER_BULK) && (musb)->bulk_split)
383 	(((type) == USB_ENDPOINT_XFER_BULK) && (musb)->bulk_combine)
455 	void __iomem *mbase = musb->mregs;  in musb_read_fifosize()
459 	reg = musb_readb(mbase, musb->io.ep_offset(epnum, MUSB_FIFOSIZE));  in musb_read_fifosize()
462 		return -ENODEV;  in musb_read_fifosize()
464 	musb->nr_endpoints++;  in musb_read_fifosize()
465 	musb->epmask |= (1 << epnum);  in musb_read_fifosize()
467 	hw_ep->max_packet_sz_tx = 1 << (reg & 0x0f);  in musb_read_fifosize()
471 		hw_ep->max_packet_sz_rx = hw_ep->max_packet_sz_tx;  in musb_read_fifosize()
472 		hw_ep->is_shared_fifo = true;  in musb_read_fifosize()
475 		hw_ep->max_packet_sz_rx = 1 << ((reg & 0xf0) >> 4);  in musb_read_fifosize()
476 		hw_ep->is_shared_fifo = false;  in musb_read_fifosize()
484 	musb->endpoints[0].max_packet_sz_tx = MUSB_EP0_FIFOSIZE;  in musb_configure_ep0()
485 	musb->endpoints[0].max_packet_sz_rx = MUSB_EP0_FIFOSIZE;  in musb_configure_ep0()
486 	musb->endpoints[0].is_shared_fifo = true;  in musb_configure_ep0()
514 	if (musb->ops->set_vbus)  in musb_platform_set_vbus()
515 		musb->ops->set_vbus(musb, is_on);  in musb_platform_set_vbus()
520 	if (musb->ops->enable)  in musb_platform_enable()
521 		musb->ops->enable(musb);  in musb_platform_enable()
526 	if (musb->ops->disable)  in musb_platform_disable()
527 		musb->ops->disable(musb);  in musb_platform_disable()
532 	if (!musb->ops->set_mode)  in musb_platform_set_mode()
535 	return musb->ops->set_mode(musb, mode);  in musb_platform_set_mode()
541 	if (musb->ops->try_idle)  in musb_platform_try_idle()
542 		musb->ops->try_idle(musb, timeout);  in musb_platform_try_idle()
547 	if (!musb->ops->recover)  in musb_platform_recover()
550 	return musb->ops->recover(musb);  in musb_platform_recover()
555 	if (!musb->ops->vbus_status)  in musb_platform_get_vbus_status()
556 		return -EINVAL;  in musb_platform_get_vbus_status()
558 	return musb->ops->vbus_status(musb);  in musb_platform_get_vbus_status()
563 	if (!musb->ops->init)  in musb_platform_init()
564 		return -EINVAL;  in musb_platform_init()
566 	return musb->ops->init(musb);  in musb_platform_init()
571 	if (!musb->ops->exit)  in musb_platform_exit()
572 		return -EINVAL;  in musb_platform_exit()
574 	return musb->ops->exit(musb);  in musb_platform_exit()
579 	if (musb->ops->pre_root_reset_end)  in musb_platform_pre_root_reset_end()
580 		musb->ops->pre_root_reset_end(musb);  in musb_platform_pre_root_reset_end()
585 	if (musb->ops->post_root_reset_end)  in musb_platform_post_root_reset_end()
586 		musb->ops->post_root_reset_end(musb);  in musb_platform_post_root_reset_end()
591 	if (musb->ops->clear_ep_rxintr)  in musb_platform_clear_ep_rxintr()
592 		musb->ops->clear_ep_rxintr(musb, epnum);  in musb_platform_clear_ep_rxintr()
598 	if (musb->xceiv)  in musb_set_state()
599 		musb->xceiv->otg->state = otg_state;  in musb_set_state()
601 		musb->otg_state = otg_state;  in musb_set_state()
606 	if (musb->xceiv)  in musb_get_state()
607 		return musb->xceiv->otg->state;  in musb_get_state()
609 	return musb->otg_state;  in musb_get_state()