Lines Matching refs:musb
104 struct platform_device *musb; /* child musb pdev */ member
136 struct musb *musb = platform_get_drvdata(glue->musb); in dsps_mod_timer() local
144 mod_timer(&musb->dev_timer, jiffies + wait); in dsps_mod_timer()
168 static void dsps_musb_enable(struct musb *musb) in dsps_musb_enable() argument
170 struct device *dev = musb->controller; in dsps_musb_enable()
174 void __iomem *reg_base = musb->ctrl_base; in dsps_musb_enable()
178 epmask = ((musb->epmask & wrp->txep_mask) << wrp->txep_shift) | in dsps_musb_enable()
179 ((musb->epmask & wrp->rxep_mask) << wrp->rxep_shift); in dsps_musb_enable()
185 if (musb->xceiv->otg->state == OTG_STATE_B_IDLE && in dsps_musb_enable()
186 musb->port_mode == MUSB_OTG) in dsps_musb_enable()
193 static void dsps_musb_disable(struct musb *musb) in dsps_musb_disable() argument
195 struct device *dev = musb->controller; in dsps_musb_disable()
199 void __iomem *reg_base = musb->ctrl_base; in dsps_musb_disable()
204 del_timer_sync(&musb->dev_timer); in dsps_musb_disable()
208 static int dsps_check_status(struct musb *musb, void *unused) in dsps_check_status() argument
210 void __iomem *mregs = musb->mregs; in dsps_check_status()
211 struct device *dev = musb->controller; in dsps_check_status()
218 del_timer(&musb->dev_timer); in dsps_check_status()
225 dev_dbg(musb->controller, "Poll devctl %02x (%s)\n", devctl, in dsps_check_status()
226 usb_otg_state_string(musb->xceiv->otg->state)); in dsps_check_status()
228 switch (musb->xceiv->otg->state) { in dsps_check_status()
234 if (musb->port_mode == MUSB_HOST) { in dsps_check_status()
238 musb_writeb(musb->mregs, MUSB_DEVCTL, 0); in dsps_check_status()
246 musb->xceiv->otg->state = OTG_STATE_B_IDLE; in dsps_check_status()
247 MUSB_DEV_MODE(musb); in dsps_check_status()
249 musb->xceiv->otg->state = OTG_STATE_A_IDLE; in dsps_check_status()
250 MUSB_HST_MODE(musb); in dsps_check_status()
259 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; in dsps_check_status()
260 musb_writel(musb->ctrl_base, wrp->coreintr_set, in dsps_check_status()
272 struct musb *musb = from_timer(musb, t, dev_timer); in otg_timer() local
273 struct device *dev = musb->controller; in otg_timer()
285 spin_lock_irqsave(&musb->lock, flags); in otg_timer()
286 err = musb_queue_resume_work(musb, dsps_check_status, NULL); in otg_timer()
289 spin_unlock_irqrestore(&musb->lock, flags); in otg_timer()
294 static void dsps_musb_clear_ep_rxintr(struct musb *musb, int epnum) in dsps_musb_clear_ep_rxintr() argument
297 struct dsps_glue *glue = dev_get_drvdata(musb->controller->parent); in dsps_musb_clear_ep_rxintr()
302 musb_writel(musb->ctrl_base, wrp->epintr_status, epintr); in dsps_musb_clear_ep_rxintr()
307 struct musb *musb = hci; in dsps_interrupt() local
308 void __iomem *reg_base = musb->ctrl_base; in dsps_interrupt()
309 struct device *dev = musb->controller; in dsps_interrupt()
316 spin_lock_irqsave(&musb->lock, flags); in dsps_interrupt()
320 musb->int_rx = (epintr & wrp->rxep_bitmap) >> wrp->rxep_shift; in dsps_interrupt()
321 musb->int_tx = (epintr & wrp->txep_bitmap) >> wrp->txep_shift; in dsps_interrupt()
331 musb->int_usb = (usbintr & wrp->usb_bitmap) >> wrp->usb_shift; in dsps_interrupt()
335 dev_dbg(musb->controller, "usbintr (%x) epintr(%x)\n", in dsps_interrupt()
340 void __iomem *mregs = musb->mregs; in dsps_interrupt()
344 err = musb->int_usb & MUSB_INTR_VBUSERROR; in dsps_interrupt()
357 musb->int_usb &= ~MUSB_INTR_VBUSERROR; in dsps_interrupt()
358 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VFALL; in dsps_interrupt()
362 MUSB_HST_MODE(musb); in dsps_interrupt()
363 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; in dsps_interrupt()
366 musb->is_active = 0; in dsps_interrupt()
367 MUSB_DEV_MODE(musb); in dsps_interrupt()
368 musb->xceiv->otg->state = OTG_STATE_B_IDLE; in dsps_interrupt()
372 dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n", in dsps_interrupt()
374 usb_otg_state_string(musb->xceiv->otg->state), in dsps_interrupt()
380 if (musb->int_tx || musb->int_rx || musb->int_usb) in dsps_interrupt()
381 ret |= musb_interrupt(musb); in dsps_interrupt()
384 switch (musb->xceiv->otg->state) { in dsps_interrupt()
394 spin_unlock_irqrestore(&musb->lock, flags); in dsps_interrupt()
399 static int dsps_musb_dbg_init(struct musb *musb, struct dsps_glue *glue) in dsps_musb_dbg_init() argument
404 sprintf(buf, "%s.dsps", dev_name(musb->controller)); in dsps_musb_dbg_init()
410 glue->regset.base = musb->ctrl_base; in dsps_musb_dbg_init()
416 static int dsps_musb_init(struct musb *musb) in dsps_musb_init() argument
418 struct device *dev = musb->controller; in dsps_musb_init()
431 musb->ctrl_base = reg_base; in dsps_musb_init()
434 musb->xceiv = devm_usb_get_phy_by_phandle(dev->parent, "phys", 0); in dsps_musb_init()
435 if (IS_ERR(musb->xceiv)) in dsps_musb_init()
436 return PTR_ERR(musb->xceiv); in dsps_musb_init()
438 musb->phy = devm_phy_get(dev->parent, "usb2-phy"); in dsps_musb_init()
445 if (IS_ERR(musb->phy)) { in dsps_musb_init()
446 musb->phy = NULL; in dsps_musb_init()
448 ret = phy_init(musb->phy); in dsps_musb_init()
451 ret = phy_power_on(musb->phy); in dsps_musb_init()
453 phy_exit(musb->phy); in dsps_musb_init()
458 timer_setup(&musb->dev_timer, otg_timer, 0); in dsps_musb_init()
463 musb->isr = dsps_interrupt; in dsps_musb_init()
468 musb_writel(musb->ctrl_base, wrp->phy_utmi, val); in dsps_musb_init()
476 val = musb_readb(musb->mregs, MUSB_BABBLE_CTL); in dsps_musb_init()
480 musb_writeb(musb->mregs, MUSB_BABBLE_CTL, val); in dsps_musb_init()
485 return dsps_musb_dbg_init(musb, glue); in dsps_musb_init()
488 static int dsps_musb_exit(struct musb *musb) in dsps_musb_exit() argument
490 struct device *dev = musb->controller; in dsps_musb_exit()
493 del_timer_sync(&musb->dev_timer); in dsps_musb_exit()
494 phy_power_off(musb->phy); in dsps_musb_exit()
495 phy_exit(musb->phy); in dsps_musb_exit()
501 static int dsps_musb_set_mode(struct musb *musb, u8 mode) in dsps_musb_set_mode() argument
503 struct device *dev = musb->controller; in dsps_musb_set_mode()
506 void __iomem *ctrl_base = musb->ctrl_base; in dsps_musb_set_mode()
548 static bool dsps_sw_babble_control(struct musb *musb) in dsps_sw_babble_control() argument
553 babble_ctl = musb_readb(musb->mregs, MUSB_BABBLE_CTL); in dsps_sw_babble_control()
554 dev_dbg(musb->controller, "babble: MUSB_BABBLE_CTL value %x\n", in dsps_sw_babble_control()
560 dev_dbg(musb->controller, "STUCK_J is %s\n", in dsps_sw_babble_control()
570 babble_ctl = musb_readb(musb->mregs, MUSB_BABBLE_CTL); in dsps_sw_babble_control()
572 musb_writeb(musb->mregs, MUSB_BABBLE_CTL, babble_ctl); in dsps_sw_babble_control()
575 dev_dbg(musb->controller, "Set TXIDLE, wait J to clear\n"); in dsps_sw_babble_control()
577 babble_ctl = musb_readb(musb->mregs, MUSB_BABBLE_CTL); in dsps_sw_babble_control()
588 dev_dbg(musb->controller, "J not cleared, misc (%x)\n", in dsps_sw_babble_control()
599 static int dsps_musb_recover(struct musb *musb) in dsps_musb_recover() argument
601 struct device *dev = musb->controller; in dsps_musb_recover()
606 session_restart = dsps_sw_babble_control(musb); in dsps_musb_recover()
634 struct musb *musb = c->musb; in dsps_dma_controller_callback() local
635 struct dsps_glue *glue = dev_get_drvdata(musb->controller->parent); in dsps_dma_controller_callback()
645 dsps_dma_controller_create(struct musb *musb, void __iomem *base) in dsps_dma_controller_create() argument
648 struct dsps_glue *glue = dev_get_drvdata(musb->controller->parent); in dsps_dma_controller_create()
651 controller = cppi41_dma_controller_create(musb, base); in dsps_dma_controller_create()
721 struct platform_device *musb; in dsps_create_musb_pdev() local
741 musb = platform_device_alloc("musb-hdrc", in dsps_create_musb_pdev()
743 if (!musb) { in dsps_create_musb_pdev()
748 musb->dev.parent = dev; in dsps_create_musb_pdev()
749 musb->dev.dma_mask = &musb_dmamask; in dsps_create_musb_pdev()
750 musb->dev.coherent_dma_mask = musb_dmamask; in dsps_create_musb_pdev()
751 device_set_of_node_from_dev(&musb->dev, &parent->dev); in dsps_create_musb_pdev()
753 glue->musb = musb; in dsps_create_musb_pdev()
755 ret = platform_device_add_resources(musb, resources, in dsps_create_musb_pdev()
794 ret = platform_device_add_data(musb, &pdata, sizeof(pdata)); in dsps_create_musb_pdev()
800 ret = platform_device_add(musb); in dsps_create_musb_pdev()
808 platform_device_put(musb); in dsps_create_musb_pdev()
815 struct musb *musb = platform_get_drvdata(glue->musb); in dsps_vbus_threaded_irq() local
817 if (!musb) in dsps_vbus_threaded_irq()
909 platform_device_unregister(glue->musb); in dsps_remove()
962 struct musb *musb = platform_get_drvdata(glue->musb); in dsps_suspend() local
966 if (!musb) in dsps_suspend()
976 del_timer_sync(&musb->dev_timer); in dsps_suspend()
978 mbase = musb->ctrl_base; in dsps_suspend()
996 struct musb *musb = platform_get_drvdata(glue->musb); in dsps_resume() local
999 if (!musb) in dsps_resume()
1004 mbase = musb->ctrl_base; in dsps_resume()
1012 if (musb->xceiv->otg->state == OTG_STATE_B_IDLE && in dsps_resume()
1013 musb->port_mode == MUSB_OTG) in dsps_resume()