Lines Matching +full:usb +full:- +full:glue
1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2005-2007 by Texas Instruments
19 #include <linux/dma-mapping.h>
23 #include <linux/usb/musb.h>
37 #define glue_to_musb(g) platform_get_drvdata(g->musb)
43 struct usb_otg *otg = musb->xceiv->otg; in omap2430_musb_set_vbus()
51 devctl = musb_readb(musb->mregs, MUSB_DEVCTL); in omap2430_musb_set_vbus()
54 if (musb->xceiv->otg->state == OTG_STATE_A_IDLE) { in omap2430_musb_set_vbus()
58 musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); in omap2430_musb_set_vbus()
63 while (musb_readb(musb->mregs, MUSB_DEVCTL) & in omap2430_musb_set_vbus()
70 || loops-- <= 0) { in omap2430_musb_set_vbus()
71 dev_err(musb->controller, in omap2430_musb_set_vbus()
79 musb->is_active = 1; in omap2430_musb_set_vbus()
80 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; in omap2430_musb_set_vbus()
85 musb->is_active = 0; in omap2430_musb_set_vbus()
87 /* NOTE: we're skipping A_WAIT_VFALL -> A_IDLE and in omap2430_musb_set_vbus()
91 musb->xceiv->otg->state = OTG_STATE_B_IDLE; in omap2430_musb_set_vbus()
96 musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); in omap2430_musb_set_vbus()
98 dev_dbg(musb->controller, "VBUS %s, devctl %02x " in omap2430_musb_set_vbus()
100 usb_otg_state_string(musb->xceiv->otg->state), in omap2430_musb_set_vbus()
101 musb_readb(musb->mregs, MUSB_DEVCTL)); in omap2430_musb_set_vbus()
109 l = musb_readl(musb->mregs, OTG_FORCESTDBY); in omap2430_low_level_exit()
111 musb_writel(musb->mregs, OTG_FORCESTDBY, l); in omap2430_low_level_exit()
118 l = musb_readl(musb->mregs, OTG_FORCESTDBY); in omap2430_low_level_init()
120 musb_writel(musb->mregs, OTG_FORCESTDBY, l); in omap2430_low_level_init()
125 struct omap2430_glue *glue = _glue; in omap2430_musb_mailbox() local
127 if (!glue) { in omap2430_musb_mailbox()
129 return -EPROBE_DEFER; in omap2430_musb_mailbox()
131 glue->status = status; in omap2430_musb_mailbox()
133 if (!glue_to_musb(glue)) { in omap2430_musb_mailbox()
135 return -EPROBE_DEFER; in omap2430_musb_mailbox()
138 schedule_work(&glue->omap_musb_mailbox_work); in omap2430_musb_mailbox()
143 static void omap_musb_set_mailbox(struct omap2430_glue *glue) in omap_musb_set_mailbox() argument
145 struct musb *musb = glue_to_musb(glue); in omap_musb_set_mailbox()
147 dev_get_platdata(musb->controller); in omap_musb_set_mailbox()
148 struct omap_musb_board_data *data = pdata->board_data; in omap_musb_set_mailbox()
150 pm_runtime_get_sync(musb->controller); in omap_musb_set_mailbox()
151 switch (glue->status) { in omap_musb_set_mailbox()
153 dev_dbg(musb->controller, "ID GND\n"); in omap_musb_set_mailbox()
155 musb->xceiv->otg->state = OTG_STATE_A_IDLE; in omap_musb_set_mailbox()
156 musb->xceiv->last_event = USB_EVENT_ID; in omap_musb_set_mailbox()
157 if (musb->gadget_driver) { in omap_musb_set_mailbox()
158 omap_control_usb_set_mode(glue->control_otghs, in omap_musb_set_mailbox()
165 dev_dbg(musb->controller, "VBUS Connect\n"); in omap_musb_set_mailbox()
167 musb->xceiv->otg->state = OTG_STATE_B_IDLE; in omap_musb_set_mailbox()
168 musb->xceiv->last_event = USB_EVENT_VBUS; in omap_musb_set_mailbox()
169 omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE); in omap_musb_set_mailbox()
174 dev_dbg(musb->controller, "VBUS Disconnect\n"); in omap_musb_set_mailbox()
176 musb->xceiv->last_event = USB_EVENT_NONE; in omap_musb_set_mailbox()
177 if (musb->gadget_driver) in omap_musb_set_mailbox()
180 if (data->interface_type == MUSB_INTERFACE_UTMI) in omap_musb_set_mailbox()
181 otg_set_vbus(musb->xceiv->otg, 0); in omap_musb_set_mailbox()
183 omap_control_usb_set_mode(glue->control_otghs, in omap_musb_set_mailbox()
187 dev_dbg(musb->controller, "ID float\n"); in omap_musb_set_mailbox()
189 pm_runtime_mark_last_busy(musb->controller); in omap_musb_set_mailbox()
190 pm_runtime_put_autosuspend(musb->controller); in omap_musb_set_mailbox()
191 atomic_notifier_call_chain(&musb->xceiv->notifier, in omap_musb_set_mailbox()
192 musb->xceiv->last_event, NULL); in omap_musb_set_mailbox()
198 struct omap2430_glue *glue = container_of(mailbox_work, in omap_musb_mailbox_work() local
201 omap_musb_set_mailbox(glue); in omap_musb_mailbox_work()
210 spin_lock_irqsave(&musb->lock, flags); in omap2430_musb_interrupt()
212 musb->int_usb = musb_readb(musb->mregs, MUSB_INTRUSB); in omap2430_musb_interrupt()
213 musb->int_tx = musb_readw(musb->mregs, MUSB_INTRTX); in omap2430_musb_interrupt()
214 musb->int_rx = musb_readw(musb->mregs, MUSB_INTRRX); in omap2430_musb_interrupt()
216 if (musb->int_usb || musb->int_tx || musb->int_rx) in omap2430_musb_interrupt()
219 spin_unlock_irqrestore(&musb->lock, flags); in omap2430_musb_interrupt()
228 struct device *dev = musb->controller; in omap2430_musb_init()
229 struct omap2430_glue *glue = dev_get_drvdata(dev->parent); in omap2430_musb_init() local
231 struct omap_musb_board_data *data = plat->board_data; in omap2430_musb_init()
234 * up through ULPI. TWL4030-family PMICs include one, in omap2430_musb_init()
237 musb->phy = devm_phy_get(dev->parent, "usb2-phy"); in omap2430_musb_init()
239 /* We can't totally remove musb->xceiv as of now because in omap2430_musb_init()
245 musb->xceiv = devm_usb_get_phy_by_phandle(dev->parent, "usb-phy", 0); in omap2430_musb_init()
247 if (IS_ERR(musb->xceiv)) { in omap2430_musb_init()
248 status = PTR_ERR(musb->xceiv); in omap2430_musb_init()
250 if (status == -ENXIO) in omap2430_musb_init()
253 dev_dbg(dev, "HS USB OTG: no transceiver configured\n"); in omap2430_musb_init()
254 return -EPROBE_DEFER; in omap2430_musb_init()
257 if (IS_ERR(musb->phy)) { in omap2430_musb_init()
258 dev_err(dev, "HS USB OTG: no PHY configured\n"); in omap2430_musb_init()
259 return PTR_ERR(musb->phy); in omap2430_musb_init()
261 musb->isr = omap2430_musb_interrupt; in omap2430_musb_init()
262 phy_init(musb->phy); in omap2430_musb_init()
263 phy_power_on(musb->phy); in omap2430_musb_init()
265 l = musb_readl(musb->mregs, OTG_INTERFSEL); in omap2430_musb_init()
267 if (data->interface_type == MUSB_INTERFACE_UTMI) { in omap2430_musb_init()
275 musb_writel(musb->mregs, OTG_INTERFSEL, l); in omap2430_musb_init()
277 dev_dbg(dev, "HS USB OTG: revision 0x%x, sysconfig 0x%02x, " in omap2430_musb_init()
279 musb_readl(musb->mregs, OTG_REVISION), in omap2430_musb_init()
280 musb_readl(musb->mregs, OTG_SYSCONFIG), in omap2430_musb_init()
281 musb_readl(musb->mregs, OTG_SYSSTATUS), in omap2430_musb_init()
282 musb_readl(musb->mregs, OTG_INTERFSEL), in omap2430_musb_init()
283 musb_readl(musb->mregs, OTG_SIMENABLE)); in omap2430_musb_init()
285 if (glue->status != MUSB_UNKNOWN) in omap2430_musb_init()
286 omap_musb_set_mailbox(glue); in omap2430_musb_init()
295 struct device *dev = musb->controller; in omap2430_musb_enable()
296 struct omap2430_glue *glue = dev_get_drvdata(dev->parent); in omap2430_musb_enable() local
298 struct omap_musb_board_data *data = pdata->board_data; in omap2430_musb_enable()
301 switch (glue->status) { in omap2430_musb_enable()
304 omap_control_usb_set_mode(glue->control_otghs, USB_MODE_HOST); in omap2430_musb_enable()
305 if (data->interface_type != MUSB_INTERFACE_UTMI) in omap2430_musb_enable()
307 devctl = musb_readb(musb->mregs, MUSB_DEVCTL); in omap2430_musb_enable()
310 musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); in omap2430_musb_enable()
311 while (musb_readb(musb->mregs, MUSB_DEVCTL) & in omap2430_musb_enable()
323 omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE); in omap2430_musb_enable()
333 struct device *dev = musb->controller; in omap2430_musb_disable()
334 struct omap2430_glue *glue = dev_get_drvdata(dev->parent); in omap2430_musb_disable() local
336 if (glue->status != MUSB_UNKNOWN) in omap2430_musb_disable()
337 omap_control_usb_set_mode(glue->control_otghs, in omap2430_musb_disable()
343 struct device *dev = musb->controller; in omap2430_musb_exit()
344 struct omap2430_glue *glue = dev_get_drvdata(dev->parent); in omap2430_musb_exit() local
347 phy_power_off(musb->phy); in omap2430_musb_exit()
348 phy_exit(musb->phy); in omap2430_musb_exit()
349 musb->phy = NULL; in omap2430_musb_exit()
350 cancel_work_sync(&glue->omap_musb_mailbox_work); in omap2430_musb_exit()
375 struct musb_hdrc_platform_data *pdata = dev_get_platdata(&pdev->dev); in omap2430_probe()
378 struct omap2430_glue *glue; in omap2430_probe() local
379 struct device_node *np = pdev->dev.of_node; in omap2430_probe()
383 int ret = -ENOMEM, val; in omap2430_probe()
386 return -ENODEV; in omap2430_probe()
388 glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL); in omap2430_probe()
389 if (!glue) in omap2430_probe()
392 musb = platform_device_alloc("musb-hdrc", PLATFORM_DEVID_AUTO); in omap2430_probe()
394 dev_err(&pdev->dev, "failed to allocate musb device\n"); in omap2430_probe()
398 musb->dev.parent = &pdev->dev; in omap2430_probe()
399 musb->dev.dma_mask = &omap2430_dmamask; in omap2430_probe()
400 musb->dev.coherent_dma_mask = omap2430_dmamask; in omap2430_probe()
402 glue->dev = &pdev->dev; in omap2430_probe()
403 glue->musb = musb; in omap2430_probe()
404 glue->status = MUSB_UNKNOWN; in omap2430_probe()
405 glue->control_otghs = ERR_PTR(-ENODEV); in omap2430_probe()
407 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); in omap2430_probe()
411 data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); in omap2430_probe()
415 config = devm_kzalloc(&pdev->dev, sizeof(*config), GFP_KERNEL); in omap2430_probe()
419 of_property_read_u32(np, "mode", (u32 *)&pdata->mode); in omap2430_probe()
420 of_property_read_u32(np, "interface-type", in omap2430_probe()
421 (u32 *)&data->interface_type); in omap2430_probe()
422 of_property_read_u32(np, "num-eps", (u32 *)&config->num_eps); in omap2430_probe()
423 of_property_read_u32(np, "ram-bits", (u32 *)&config->ram_bits); in omap2430_probe()
424 of_property_read_u32(np, "power", (u32 *)&pdata->power); in omap2430_probe()
428 config->multipoint = true; in omap2430_probe()
430 pdata->board_data = data; in omap2430_probe()
431 pdata->config = config; in omap2430_probe()
433 control_node = of_parse_phandle(np, "ctrl-module", 0); in omap2430_probe()
437 dev_err(&pdev->dev, "Failed to get control device\n"); in omap2430_probe()
438 ret = -EINVAL; in omap2430_probe()
441 glue->control_otghs = &control_pdev->dev; in omap2430_probe()
444 pdata->platform_ops = &omap2430_ops; in omap2430_probe()
446 platform_set_drvdata(pdev, glue); in omap2430_probe()
452 _glue = glue; in omap2430_probe()
454 INIT_WORK(&glue->omap_musb_mailbox_work, omap_musb_mailbox_work); in omap2430_probe()
459 musb_resources[0].name = pdev->resource[0].name; in omap2430_probe()
460 musb_resources[0].start = pdev->resource[0].start; in omap2430_probe()
461 musb_resources[0].end = pdev->resource[0].end; in omap2430_probe()
462 musb_resources[0].flags = pdev->resource[0].flags; in omap2430_probe()
464 musb_resources[1].name = pdev->resource[1].name; in omap2430_probe()
465 musb_resources[1].start = pdev->resource[1].start; in omap2430_probe()
466 musb_resources[1].end = pdev->resource[1].end; in omap2430_probe()
467 musb_resources[1].flags = pdev->resource[1].flags; in omap2430_probe()
469 musb_resources[2].name = pdev->resource[2].name; in omap2430_probe()
470 musb_resources[2].start = pdev->resource[2].start; in omap2430_probe()
471 musb_resources[2].end = pdev->resource[2].end; in omap2430_probe()
472 musb_resources[2].flags = pdev->resource[2].flags; in omap2430_probe()
477 dev_err(&pdev->dev, "failed to add resources\n"); in omap2430_probe()
483 dev_err(&pdev->dev, "failed to add platform_data\n"); in omap2430_probe()
487 pm_runtime_enable(glue->dev); in omap2430_probe()
491 dev_err(&pdev->dev, "failed to register musb device\n"); in omap2430_probe()
498 pm_runtime_disable(glue->dev); in omap2430_probe()
509 struct omap2430_glue *glue = platform_get_drvdata(pdev); in omap2430_remove() local
511 platform_device_unregister(glue->musb); in omap2430_remove()
512 pm_runtime_disable(glue->dev); in omap2430_remove()
521 struct omap2430_glue *glue = dev_get_drvdata(dev); in omap2430_runtime_suspend() local
522 struct musb *musb = glue_to_musb(glue); in omap2430_runtime_suspend()
527 musb->context.otg_interfsel = musb_readl(musb->mregs, in omap2430_runtime_suspend()
537 struct omap2430_glue *glue = dev_get_drvdata(dev); in omap2430_runtime_resume() local
538 struct musb *musb = glue_to_musb(glue); in omap2430_runtime_resume()
544 musb_writel(musb->mregs, OTG_INTERFSEL, in omap2430_runtime_resume()
545 musb->context.otg_interfsel); in omap2430_runtime_resume()
563 .compatible = "ti,omap4-musb"
566 .compatible = "ti,omap3-musb"
577 .name = "musb-omap2430",
585 MODULE_DESCRIPTION("OMAP2PLUS MUSB Glue Layer");