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)
46 l = musb_readl(musb->mregs, OTG_FORCESTDBY); in omap2430_low_level_exit()
48 musb_writel(musb->mregs, OTG_FORCESTDBY, l); in omap2430_low_level_exit()
55 l = musb_readl(musb->mregs, OTG_FORCESTDBY); in omap2430_low_level_init()
57 musb_writel(musb->mregs, OTG_FORCESTDBY, l); in omap2430_low_level_init()
62 struct omap2430_glue *glue = _glue; in omap2430_musb_mailbox() local
64 if (!glue) { in omap2430_musb_mailbox()
66 return -EPROBE_DEFER; in omap2430_musb_mailbox()
68 glue->status = status; in omap2430_musb_mailbox()
70 if (!glue_to_musb(glue)) { in omap2430_musb_mailbox()
72 return -EPROBE_DEFER; in omap2430_musb_mailbox()
75 schedule_work(&glue->omap_musb_mailbox_work); in omap2430_musb_mailbox()
84 * Note that we're skipping A_WAIT_VFALL -> A_IDLE and jumping right to B_IDLE
87 static void omap_musb_set_mailbox(struct omap2430_glue *glue) in omap_musb_set_mailbox() argument
89 struct musb *musb = glue_to_musb(glue); in omap_musb_set_mailbox()
92 pm_runtime_get_sync(musb->controller); in omap_musb_set_mailbox()
94 dev_dbg(musb->controller, "VBUS %s, devctl %02x\n", in omap_musb_set_mailbox()
95 usb_otg_state_string(musb->xceiv->otg->state), in omap_musb_set_mailbox()
96 musb_readb(musb->mregs, MUSB_DEVCTL)); in omap_musb_set_mailbox()
98 switch (glue->status) { in omap_musb_set_mailbox()
100 dev_dbg(musb->controller, "ID GND\n"); in omap_musb_set_mailbox()
101 switch (musb->xceiv->otg->state) { in omap_musb_set_mailbox()
106 musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; in omap_musb_set_mailbox()
115 otg_set_vbus(musb->xceiv->otg, 1); in omap_musb_set_mailbox()
118 musb->xceiv->otg->state = OTG_STATE_A_IDLE; in omap_musb_set_mailbox()
119 musb->xceiv->last_event = USB_EVENT_ID; in omap_musb_set_mailbox()
120 if (musb->gadget_driver) { in omap_musb_set_mailbox()
121 omap_control_usb_set_mode(glue->control_otghs, in omap_musb_set_mailbox()
123 otg_set_vbus(musb->xceiv->otg, 1); in omap_musb_set_mailbox()
130 dev_dbg(musb->controller, "VBUS Connect\n"); in omap_musb_set_mailbox()
132 musb->xceiv->otg->state = OTG_STATE_B_IDLE; in omap_musb_set_mailbox()
133 musb->xceiv->last_event = USB_EVENT_VBUS; in omap_musb_set_mailbox()
134 omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE); in omap_musb_set_mailbox()
139 dev_dbg(musb->controller, "VBUS Disconnect\n"); in omap_musb_set_mailbox()
141 musb->xceiv->last_event = USB_EVENT_NONE; in omap_musb_set_mailbox()
143 otg_set_vbus(musb->xceiv->otg, 0); in omap_musb_set_mailbox()
144 omap_control_usb_set_mode(glue->control_otghs, in omap_musb_set_mailbox()
148 dev_dbg(musb->controller, "ID float\n"); in omap_musb_set_mailbox()
150 pm_runtime_mark_last_busy(musb->controller); in omap_musb_set_mailbox()
151 pm_runtime_put_autosuspend(musb->controller); in omap_musb_set_mailbox()
152 atomic_notifier_call_chain(&musb->xceiv->notifier, in omap_musb_set_mailbox()
153 musb->xceiv->last_event, NULL); in omap_musb_set_mailbox()
159 struct omap2430_glue *glue = container_of(mailbox_work, in omap_musb_mailbox_work() local
162 omap_musb_set_mailbox(glue); in omap_musb_mailbox_work()
171 spin_lock_irqsave(&musb->lock, flags); in omap2430_musb_interrupt()
173 musb->int_usb = musb_readb(musb->mregs, MUSB_INTRUSB); in omap2430_musb_interrupt()
174 musb->int_tx = musb_readw(musb->mregs, MUSB_INTRTX); in omap2430_musb_interrupt()
175 musb->int_rx = musb_readw(musb->mregs, MUSB_INTRRX); in omap2430_musb_interrupt()
177 if (musb->int_usb || musb->int_tx || musb->int_rx) in omap2430_musb_interrupt()
180 spin_unlock_irqrestore(&musb->lock, flags); in omap2430_musb_interrupt()
189 struct device *dev = musb->controller; in omap2430_musb_init()
191 struct omap_musb_board_data *data = plat->board_data; in omap2430_musb_init()
194 * up through ULPI. TWL4030-family PMICs include one, in omap2430_musb_init()
197 musb->phy = devm_phy_get(dev->parent, "usb2-phy"); in omap2430_musb_init()
199 /* We can't totally remove musb->xceiv as of now because in omap2430_musb_init()
205 musb->xceiv = devm_usb_get_phy_by_phandle(dev->parent, "usb-phy", 0); in omap2430_musb_init()
207 if (IS_ERR(musb->xceiv)) { in omap2430_musb_init()
208 status = PTR_ERR(musb->xceiv); in omap2430_musb_init()
210 if (status == -ENXIO) in omap2430_musb_init()
213 dev_dbg(dev, "HS USB OTG: no transceiver configured\n"); in omap2430_musb_init()
214 return -EPROBE_DEFER; in omap2430_musb_init()
217 if (IS_ERR(musb->phy)) { in omap2430_musb_init()
218 dev_err(dev, "HS USB OTG: no PHY configured\n"); in omap2430_musb_init()
219 return PTR_ERR(musb->phy); in omap2430_musb_init()
221 musb->isr = omap2430_musb_interrupt; in omap2430_musb_init()
222 phy_init(musb->phy); in omap2430_musb_init()
223 phy_power_on(musb->phy); in omap2430_musb_init()
225 l = musb_readl(musb->mregs, OTG_INTERFSEL); in omap2430_musb_init()
227 if (data->interface_type == MUSB_INTERFACE_UTMI) { in omap2430_musb_init()
235 musb_writel(musb->mregs, OTG_INTERFSEL, l); in omap2430_musb_init()
237 dev_dbg(dev, "HS USB OTG: revision 0x%x, sysconfig 0x%02x, " in omap2430_musb_init()
239 musb_readl(musb->mregs, OTG_REVISION), in omap2430_musb_init()
240 musb_readl(musb->mregs, OTG_SYSCONFIG), in omap2430_musb_init()
241 musb_readl(musb->mregs, OTG_SYSSTATUS), in omap2430_musb_init()
242 musb_readl(musb->mregs, OTG_INTERFSEL), in omap2430_musb_init()
243 musb_readl(musb->mregs, OTG_SIMENABLE)); in omap2430_musb_init()
250 struct device *dev = musb->controller; in omap2430_musb_enable()
251 struct omap2430_glue *glue = dev_get_drvdata(dev->parent); in omap2430_musb_enable() local
253 if (glue->status == MUSB_UNKNOWN) in omap2430_musb_enable()
254 glue->status = MUSB_VBUS_OFF; in omap2430_musb_enable()
255 omap_musb_set_mailbox(glue); in omap2430_musb_enable()
260 struct device *dev = musb->controller; in omap2430_musb_disable()
261 struct omap2430_glue *glue = dev_get_drvdata(dev->parent); in omap2430_musb_disable() local
263 if (glue->status != MUSB_UNKNOWN) in omap2430_musb_disable()
264 omap_control_usb_set_mode(glue->control_otghs, in omap2430_musb_disable()
270 struct device *dev = musb->controller; in omap2430_musb_exit()
271 struct omap2430_glue *glue = dev_get_drvdata(dev->parent); in omap2430_musb_exit() local
274 phy_power_off(musb->phy); in omap2430_musb_exit()
275 phy_exit(musb->phy); in omap2430_musb_exit()
276 musb->phy = NULL; in omap2430_musb_exit()
277 cancel_work_sync(&glue->omap_musb_mailbox_work); in omap2430_musb_exit()
302 struct musb_hdrc_platform_data *pdata = dev_get_platdata(&pdev->dev); in omap2430_probe()
305 struct omap2430_glue *glue; in omap2430_probe() local
306 struct device_node *np = pdev->dev.of_node; in omap2430_probe()
310 int ret = -ENOMEM, val; in omap2430_probe()
313 return -ENODEV; in omap2430_probe()
315 glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL); in omap2430_probe()
316 if (!glue) in omap2430_probe()
319 musb = platform_device_alloc("musb-hdrc", PLATFORM_DEVID_AUTO); in omap2430_probe()
321 dev_err(&pdev->dev, "failed to allocate musb device\n"); in omap2430_probe()
325 musb->dev.parent = &pdev->dev; in omap2430_probe()
326 musb->dev.dma_mask = &omap2430_dmamask; in omap2430_probe()
327 musb->dev.coherent_dma_mask = omap2430_dmamask; in omap2430_probe()
329 glue->dev = &pdev->dev; in omap2430_probe()
330 glue->musb = musb; in omap2430_probe()
331 glue->status = MUSB_UNKNOWN; in omap2430_probe()
332 glue->control_otghs = ERR_PTR(-ENODEV); in omap2430_probe()
334 pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); in omap2430_probe()
338 data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); in omap2430_probe()
342 config = devm_kzalloc(&pdev->dev, sizeof(*config), GFP_KERNEL); in omap2430_probe()
346 of_property_read_u32(np, "mode", (u32 *)&pdata->mode); in omap2430_probe()
347 of_property_read_u32(np, "interface-type", in omap2430_probe()
348 (u32 *)&data->interface_type); in omap2430_probe()
349 of_property_read_u32(np, "num-eps", (u32 *)&config->num_eps); in omap2430_probe()
350 of_property_read_u32(np, "ram-bits", (u32 *)&config->ram_bits); in omap2430_probe()
351 of_property_read_u32(np, "power", (u32 *)&pdata->power); in omap2430_probe()
355 config->multipoint = true; in omap2430_probe()
357 pdata->board_data = data; in omap2430_probe()
358 pdata->config = config; in omap2430_probe()
360 control_node = of_parse_phandle(np, "ctrl-module", 0); in omap2430_probe()
365 dev_err(&pdev->dev, "Failed to get control device\n"); in omap2430_probe()
366 ret = -EINVAL; in omap2430_probe()
369 glue->control_otghs = &control_pdev->dev; in omap2430_probe()
372 pdata->platform_ops = &omap2430_ops; in omap2430_probe()
374 platform_set_drvdata(pdev, glue); in omap2430_probe()
380 _glue = glue; in omap2430_probe()
382 INIT_WORK(&glue->omap_musb_mailbox_work, omap_musb_mailbox_work); in omap2430_probe()
387 musb_resources[0].name = pdev->resource[0].name; in omap2430_probe()
388 musb_resources[0].start = pdev->resource[0].start; in omap2430_probe()
389 musb_resources[0].end = pdev->resource[0].end; in omap2430_probe()
390 musb_resources[0].flags = pdev->resource[0].flags; in omap2430_probe()
392 musb_resources[1].name = pdev->resource[1].name; in omap2430_probe()
393 musb_resources[1].start = pdev->resource[1].start; in omap2430_probe()
394 musb_resources[1].end = pdev->resource[1].end; in omap2430_probe()
395 musb_resources[1].flags = pdev->resource[1].flags; in omap2430_probe()
397 musb_resources[2].name = pdev->resource[2].name; in omap2430_probe()
398 musb_resources[2].start = pdev->resource[2].start; in omap2430_probe()
399 musb_resources[2].end = pdev->resource[2].end; in omap2430_probe()
400 musb_resources[2].flags = pdev->resource[2].flags; in omap2430_probe()
405 dev_err(&pdev->dev, "failed to add resources\n"); in omap2430_probe()
411 dev_err(&pdev->dev, "failed to add platform_data\n"); in omap2430_probe()
415 pm_runtime_enable(glue->dev); in omap2430_probe()
419 dev_err(&pdev->dev, "failed to register musb device\n"); in omap2430_probe()
426 pm_runtime_disable(glue->dev); in omap2430_probe()
437 struct omap2430_glue *glue = platform_get_drvdata(pdev); in omap2430_remove() local
439 platform_device_unregister(glue->musb); in omap2430_remove()
440 pm_runtime_disable(glue->dev); in omap2430_remove()
449 struct omap2430_glue *glue = dev_get_drvdata(dev); in omap2430_runtime_suspend() local
450 struct musb *musb = glue_to_musb(glue); in omap2430_runtime_suspend()
455 musb->context.otg_interfsel = musb_readl(musb->mregs, in omap2430_runtime_suspend()
460 phy_power_off(musb->phy); in omap2430_runtime_suspend()
461 phy_exit(musb->phy); in omap2430_runtime_suspend()
468 struct omap2430_glue *glue = dev_get_drvdata(dev); in omap2430_runtime_resume() local
469 struct musb *musb = glue_to_musb(glue); in omap2430_runtime_resume()
474 phy_init(musb->phy); in omap2430_runtime_resume()
475 phy_power_on(musb->phy); in omap2430_runtime_resume()
478 musb_writel(musb->mregs, OTG_INTERFSEL, in omap2430_runtime_resume()
479 musb->context.otg_interfsel); in omap2430_runtime_resume()
500 .compatible = "ti,omap4-musb"
503 .compatible = "ti,omap3-musb"
514 .name = "musb-omap2430",
522 MODULE_DESCRIPTION("OMAP2PLUS MUSB Glue Layer");