tusb6010.c (a9de18eb761f7c1c860964b2e5addc1a35c7e861) tusb6010.c (96a274d1da950a96cb31ac1bed044e049d770980)
1/*
2 * TUSB6010 USB 2.0 OTG Dual Role controller
3 *
4 * Copyright (C) 2006 Nokia Corporation
5 * Jarkko Nikula <jarkko.nikula@nokia.com>
6 * Tony Lindgren <tony@atomide.com>
7 *
8 * This program is free software; you can redistribute it and/or modify

--- 584 unchanged lines hidden (view full) ---

593 *
594 * Note that if a mini-A cable is plugged in the ID line will stay down as
595 * the weak ID pull-up is not able to pull the ID up.
596 *
597 * REVISIT: It would be possible to add support for changing between host
598 * and peripheral modes in non-OTG configurations by reconfiguring hardware
599 * and then setting musb->board_mode. For now, only support OTG mode.
600 */
1/*
2 * TUSB6010 USB 2.0 OTG Dual Role controller
3 *
4 * Copyright (C) 2006 Nokia Corporation
5 * Jarkko Nikula <jarkko.nikula@nokia.com>
6 * Tony Lindgren <tony@atomide.com>
7 *
8 * This program is free software; you can redistribute it and/or modify

--- 584 unchanged lines hidden (view full) ---

593 *
594 * Note that if a mini-A cable is plugged in the ID line will stay down as
595 * the weak ID pull-up is not able to pull the ID up.
596 *
597 * REVISIT: It would be possible to add support for changing between host
598 * and peripheral modes in non-OTG configurations by reconfiguring hardware
599 * and then setting musb->board_mode. For now, only support OTG mode.
600 */
601void musb_platform_set_mode(struct musb *musb, u8 musb_mode)
601int musb_platform_set_mode(struct musb *musb, u8 musb_mode)
602{
603 void __iomem *tbase = musb->ctrl_base;
604 u32 otg_stat, phy_otg_ctrl, phy_otg_ena, dev_conf;
605
606 if (musb->board_mode != MUSB_OTG) {
607 ERR("Changing mode currently only supported in OTG mode\n");
608 return -EINVAL;
609 }

--- 26 unchanged lines hidden (view full) ---

636 case MUSB_OTG: /* Use PHY ID detection */
637 phy_otg_ctrl |= TUSB_PHY_OTG_CTRL_OTG_ID_PULLUP;
638 phy_otg_ena |= TUSB_PHY_OTG_CTRL_OTG_ID_PULLUP;
639 dev_conf &= ~(TUSB_DEV_CONF_ID_SEL | TUSB_DEV_CONF_SOFT_ID);
640 break;
641#endif
642
643 default:
602{
603 void __iomem *tbase = musb->ctrl_base;
604 u32 otg_stat, phy_otg_ctrl, phy_otg_ena, dev_conf;
605
606 if (musb->board_mode != MUSB_OTG) {
607 ERR("Changing mode currently only supported in OTG mode\n");
608 return -EINVAL;
609 }

--- 26 unchanged lines hidden (view full) ---

636 case MUSB_OTG: /* Use PHY ID detection */
637 phy_otg_ctrl |= TUSB_PHY_OTG_CTRL_OTG_ID_PULLUP;
638 phy_otg_ena |= TUSB_PHY_OTG_CTRL_OTG_ID_PULLUP;
639 dev_conf &= ~(TUSB_DEV_CONF_ID_SEL | TUSB_DEV_CONF_SOFT_ID);
640 break;
641#endif
642
643 default:
644 DBG(2, "Trying to set unknown mode %i\n", musb_mode);
644 DBG(2, "Trying to set mode %i\n", musb_mode);
645 return -EINVAL;
645 }
646
647 musb_writel(tbase, TUSB_PHY_OTG_CTRL,
648 TUSB_PHY_OTG_CTRL_WRPROTECT | phy_otg_ctrl);
649 musb_writel(tbase, TUSB_PHY_OTG_CTRL_ENABLE,
650 TUSB_PHY_OTG_CTRL_WRPROTECT | phy_otg_ena);
651 musb_writel(tbase, TUSB_DEV_CONF, dev_conf);
652
653 otg_stat = musb_readl(tbase, TUSB_DEV_OTG_STAT);
654 if ((musb_mode == MUSB_PERIPHERAL) &&
655 !(otg_stat & TUSB_DEV_OTG_STAT_ID_STATUS))
656 INFO("Cannot be peripheral with mini-A cable "
657 "otg_stat: %08x\n", otg_stat);
646 }
647
648 musb_writel(tbase, TUSB_PHY_OTG_CTRL,
649 TUSB_PHY_OTG_CTRL_WRPROTECT | phy_otg_ctrl);
650 musb_writel(tbase, TUSB_PHY_OTG_CTRL_ENABLE,
651 TUSB_PHY_OTG_CTRL_WRPROTECT | phy_otg_ena);
652 musb_writel(tbase, TUSB_DEV_CONF, dev_conf);
653
654 otg_stat = musb_readl(tbase, TUSB_DEV_OTG_STAT);
655 if ((musb_mode == MUSB_PERIPHERAL) &&
656 !(otg_stat & TUSB_DEV_OTG_STAT_ID_STATUS))
657 INFO("Cannot be peripheral with mini-A cable "
658 "otg_stat: %08x\n", otg_stat);
659
660 return 0;
658}
659
660static inline unsigned long
661tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase)
662{
663 u32 otg_stat = musb_readl(tbase, TUSB_DEV_OTG_STAT);
664 unsigned long idle_timeout = 0;
665

--- 486 unchanged lines hidden --- 		661}
662
663static inline unsigned long
664tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *tbase)
665{
666 u32 otg_stat = musb_readl(tbase, TUSB_DEV_OTG_STAT);
667 unsigned long idle_timeout = 0;
668

--- 486 unchanged lines hidden ---