handled = IRQ_HANDLED;
}
+
+ if (int_usb & MUSB_INTR_SUSPEND) {
+ DBG(1, "SUSPEND (%s) devctl %02x power %02x\n",
+ otg_state_string(musb), devctl, power);
+ handled = IRQ_HANDLED;
+
+ switch (musb->xceiv->state) {
+ #ifdef CONFIG_USB_MUSB_OTG
+ case OTG_STATE_A_PERIPHERAL:
+ /* We also come here if the cable is removed, since
+ * this silicon doesn't report ID-no-longer-grounded.
+ *
+ * We depend on T(a_wait_bcon) to shut us down, and
+ * hope users don't do anything dicey during this
+ * undesired detour through A_WAIT_BCON.
+ */
+ musb_hnp_stop(musb);
+ usb_hcd_resume_root_hub(musb_to_hcd(musb));
+ musb_root_disconnect(musb);
+ musb_platform_try_idle(musb, jiffies
+ + msecs_to_jiffies(musb->a_wait_bcon
+ ? : OTG_TIME_A_WAIT_BCON));
+
+ break;
+ #endif
+ case OTG_STATE_B_IDLE:
+ if (!musb->is_active)
+ break;
+ case OTG_STATE_B_PERIPHERAL:
+ musb_g_suspend(musb);
+ musb->is_active = is_otg_enabled(musb)
+ && musb->xceiv->gadget->b_hnp_enable;
+ if (musb->is_active) {
+ #ifdef CONFIG_USB_MUSB_OTG
+ musb->xceiv->state = OTG_STATE_B_WAIT_ACON;
+ DBG(1, "HNP: Setting timer for b_ase0_brst\n");
+ mod_timer(&musb->otg_timer, jiffies
+ + msecs_to_jiffies(
+ OTG_TIME_B_ASE0_BRST));
+ #endif
+ }
+ break;
+ case OTG_STATE_A_WAIT_BCON:
+ if (musb->a_wait_bcon != 0)
+ musb_platform_try_idle(musb, jiffies
+ + msecs_to_jiffies(musb->a_wait_bcon));
+ break;
+ case OTG_STATE_A_HOST:
+ musb->xceiv->state = OTG_STATE_A_SUSPEND;
+ musb->is_active = is_otg_enabled(musb)
+ && musb->xceiv->host->b_hnp_enable;
+ break;
+ case OTG_STATE_B_HOST:
+ /* Transition to B_PERIPHERAL, see 6.8.2.6 p 44 */
+ DBG(1, "REVISIT: SUSPEND as B_HOST\n");
+ break;
+ default:
+ /* "should not happen" */
+ musb->is_active = 0;
+ break;
+ }
+ }
+
if (int_usb & MUSB_INTR_CONNECT) {
struct usb_hcd *hcd = musb_to_hcd(musb);
}
#endif /* CONFIG_USB_MUSB_HDRC_HCD */
+ if ((int_usb & MUSB_INTR_DISCONNECT) && !musb->ignore_disconnect) {
+ DBG(1, "DISCONNECT (%s) as %s, devctl %02x\n",
+ otg_state_string(musb),
+ MUSB_MODE(musb), devctl);
+ handled = IRQ_HANDLED;
+
+ switch (musb->xceiv->state) {
+ #ifdef CONFIG_USB_MUSB_HDRC_HCD
+ case OTG_STATE_A_HOST:
+ case OTG_STATE_A_SUSPEND:
+ usb_hcd_resume_root_hub(musb_to_hcd(musb));
+ musb_root_disconnect(musb);
+ if (musb->a_wait_bcon != 0 && is_otg_enabled(musb))
+ musb_platform_try_idle(musb, jiffies
+ + msecs_to_jiffies(musb->a_wait_bcon));
+ break;
+ #endif /* HOST */
+ #ifdef CONFIG_USB_MUSB_OTG
+ case OTG_STATE_B_HOST:
+ /* REVISIT this behaves for "real disconnect"
+ * cases; make sure the other transitions from
+ * from B_HOST act right too. The B_HOST code
+ * in hnp_stop() is currently not used...
+ */
+ musb_root_disconnect(musb);
+ musb_to_hcd(musb)->self.is_b_host = 0;
+ musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
+ MUSB_DEV_MODE(musb);
+ musb_g_disconnect(musb);
+ break;
+ case OTG_STATE_A_PERIPHERAL:
+ musb_hnp_stop(musb);
+ musb_root_disconnect(musb);
+ /* FALLTHROUGH */
+ case OTG_STATE_B_WAIT_ACON:
+ /* FALLTHROUGH */
+ #endif /* OTG */
+ #ifdef CONFIG_USB_GADGET_MUSB_HDRC
+ case OTG_STATE_B_PERIPHERAL:
+ case OTG_STATE_B_IDLE:
+ musb_g_disconnect(musb);
+ break;
+ #endif /* GADGET */
+ default:
+ WARNING("unhandled DISCONNECT transition (%s)\n",
+ otg_state_string(musb));
+ break;
+ }
+ }
+
/* mentor saves a bit: bus reset and babble share the same irq.
* only host sees babble; only peripheral sees bus reset.
*/
if (int_usb & MUSB_INTR_RESET) {
+ handled = IRQ_HANDLED;
if (is_host_capable() && (devctl & MUSB_DEVCTL_HM) != 0) {
/*
* Looks like non-HS BABBLE can be ignored, but
DBG(1, "BABBLE devctl: %02x\n", devctl);
else {
ERR("Stopping host session -- babble\n");
- musb_writeb(mbase, MUSB_DEVCTL, 0);
+ musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
}
} else if (is_peripheral_capable()) {
DBG(1, "BUS RESET as %s\n", otg_state_string(musb));
otg_state_string(musb));
}
}
-
- handled = IRQ_HANDLED;
}
- schedule_work(&musb->irq_work);
-
- return handled;
- }
-
- /*
- * Interrupt Service Routine to record USB "global" interrupts.
- * Since these do not happen often and signify things of
- * paramount importance, it seems OK to check them individually;
- * the order of the tests is specified in the manual
- *
- * @param musb instance pointer
- * @param int_usb register contents
- * @param devctl
- * @param power
- */
- static irqreturn_t musb_stage2_irq(struct musb *musb, u8 int_usb,
- u8 devctl, u8 power)
- {
- irqreturn_t handled = IRQ_NONE;
#if 0
/* REVISIT ... this would be for multiplexing periodic endpoints, or
}
#endif
- if ((int_usb & MUSB_INTR_DISCONNECT) && !musb->ignore_disconnect) {
- DBG(1, "DISCONNECT (%s) as %s, devctl %02x\n",
- otg_state_string(musb),
- MUSB_MODE(musb), devctl);
- handled = IRQ_HANDLED;
-
- switch (musb->xceiv->state) {
- #ifdef CONFIG_USB_MUSB_HDRC_HCD
- case OTG_STATE_A_HOST:
- case OTG_STATE_A_SUSPEND:
- usb_hcd_resume_root_hub(musb_to_hcd(musb));
- musb_root_disconnect(musb);
- if (musb->a_wait_bcon != 0 && is_otg_enabled(musb))
- musb_platform_try_idle(musb, jiffies
- + msecs_to_jiffies(musb->a_wait_bcon));
- break;
- #endif /* HOST */
- #ifdef CONFIG_USB_MUSB_OTG
- case OTG_STATE_B_HOST:
- /* REVISIT this behaves for "real disconnect"
- * cases; make sure the other transitions from
- * from B_HOST act right too. The B_HOST code
- * in hnp_stop() is currently not used...
- */
- musb_root_disconnect(musb);
- musb_to_hcd(musb)->self.is_b_host = 0;
- musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
- MUSB_DEV_MODE(musb);
- musb_g_disconnect(musb);
- break;
- case OTG_STATE_A_PERIPHERAL:
- musb_hnp_stop(musb);
- musb_root_disconnect(musb);
- /* FALLTHROUGH */
- case OTG_STATE_B_WAIT_ACON:
- /* FALLTHROUGH */
- #endif /* OTG */
- #ifdef CONFIG_USB_GADGET_MUSB_HDRC
- case OTG_STATE_B_PERIPHERAL:
- case OTG_STATE_B_IDLE:
- musb_g_disconnect(musb);
- break;
- #endif /* GADGET */
- default:
- WARNING("unhandled DISCONNECT transition (%s)\n",
- otg_state_string(musb));
- break;
- }
-
- schedule_work(&musb->irq_work);
- }
-
- if (int_usb & MUSB_INTR_SUSPEND) {
- DBG(1, "SUSPEND (%s) devctl %02x power %02x\n",
- otg_state_string(musb), devctl, power);
- handled = IRQ_HANDLED;
-
- switch (musb->xceiv->state) {
- #ifdef CONFIG_USB_MUSB_OTG
- case OTG_STATE_A_PERIPHERAL:
- /* We also come here if the cable is removed, since
- * this silicon doesn't report ID-no-longer-grounded.
- *
- * We depend on T(a_wait_bcon) to shut us down, and
- * hope users don't do anything dicey during this
- * undesired detour through A_WAIT_BCON.
- */
- musb_hnp_stop(musb);
- usb_hcd_resume_root_hub(musb_to_hcd(musb));
- musb_root_disconnect(musb);
- musb_platform_try_idle(musb, jiffies
- + msecs_to_jiffies(musb->a_wait_bcon
- ? : OTG_TIME_A_WAIT_BCON));
- break;
- #endif
- case OTG_STATE_B_PERIPHERAL:
- musb_g_suspend(musb);
- musb->is_active = is_otg_enabled(musb)
- && musb->xceiv->gadget->b_hnp_enable;
- if (musb->is_active) {
- #ifdef CONFIG_USB_MUSB_OTG
- musb->xceiv->state = OTG_STATE_B_WAIT_ACON;
- DBG(1, "HNP: Setting timer for b_ase0_brst\n");
- mod_timer(&musb->otg_timer, jiffies
- + msecs_to_jiffies(
- OTG_TIME_B_ASE0_BRST));
- #endif
- }
- break;
- case OTG_STATE_A_WAIT_BCON:
- if (musb->a_wait_bcon != 0)
- musb_platform_try_idle(musb, jiffies
- + msecs_to_jiffies(musb->a_wait_bcon));
- break;
- case OTG_STATE_A_HOST:
- musb->xceiv->state = OTG_STATE_A_SUSPEND;
- musb->is_active = is_otg_enabled(musb)
- && musb->xceiv->host->b_hnp_enable;
- break;
- case OTG_STATE_B_HOST:
- /* Transition to B_PERIPHERAL, see 6.8.2.6 p 44 */
- DBG(1, "REVISIT: SUSPEND as B_HOST\n");
- break;
- default:
- /* "should not happen" */
- musb->is_active = 0;
- break;
- }
- schedule_work(&musb->irq_work);
- }
-
+ schedule_work(&musb->irq_work);
return handled;
}
* more than selecting one of a bunch of predefined configurations.
*/
#if defined(CONFIG_USB_TUSB6010) || \
- defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX)
+ defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
static ushort __initdata fifo_mode = 4;
#else
static ushort __initdata fifo_mode = 2;
{ .hw_ep_num = 15, .style = FIFO_RXTX, .maxpacket = 1024, },
};
+ /* mode 5 - fits in 8KB */
+ static struct fifo_cfg __initdata mode_5_cfg[] = {
+ { .hw_ep_num = 1, .style = FIFO_TX, .maxpacket = 512, },
+ { .hw_ep_num = 1, .style = FIFO_RX, .maxpacket = 512, },
+ { .hw_ep_num = 2, .style = FIFO_TX, .maxpacket = 512, },
+ { .hw_ep_num = 2, .style = FIFO_RX, .maxpacket = 512, },
+ { .hw_ep_num = 3, .style = FIFO_TX, .maxpacket = 512, },
+ { .hw_ep_num = 3, .style = FIFO_RX, .maxpacket = 512, },
+ { .hw_ep_num = 4, .style = FIFO_TX, .maxpacket = 512, },
+ { .hw_ep_num = 4, .style = FIFO_RX, .maxpacket = 512, },
+ { .hw_ep_num = 5, .style = FIFO_TX, .maxpacket = 512, },
+ { .hw_ep_num = 5, .style = FIFO_RX, .maxpacket = 512, },
+ { .hw_ep_num = 6, .style = FIFO_TX, .maxpacket = 32, },
+ { .hw_ep_num = 6, .style = FIFO_RX, .maxpacket = 32, },
+ { .hw_ep_num = 7, .style = FIFO_TX, .maxpacket = 32, },
+ { .hw_ep_num = 7, .style = FIFO_RX, .maxpacket = 32, },
+ { .hw_ep_num = 8, .style = FIFO_TX, .maxpacket = 32, },
+ { .hw_ep_num = 8, .style = FIFO_RX, .maxpacket = 32, },
+ { .hw_ep_num = 9, .style = FIFO_TX, .maxpacket = 32, },
+ { .hw_ep_num = 9, .style = FIFO_RX, .maxpacket = 32, },
+ { .hw_ep_num = 10, .style = FIFO_TX, .maxpacket = 32, },
+ { .hw_ep_num = 10, .style = FIFO_RX, .maxpacket = 32, },
+ { .hw_ep_num = 11, .style = FIFO_TX, .maxpacket = 32, },
+ { .hw_ep_num = 11, .style = FIFO_RX, .maxpacket = 32, },
+ { .hw_ep_num = 12, .style = FIFO_TX, .maxpacket = 32, },
+ { .hw_ep_num = 12, .style = FIFO_RX, .maxpacket = 32, },
+ { .hw_ep_num = 13, .style = FIFO_RXTX, .maxpacket = 512, },
+ { .hw_ep_num = 14, .style = FIFO_RXTX, .maxpacket = 1024, },
+ { .hw_ep_num = 15, .style = FIFO_RXTX, .maxpacket = 1024, },
+ };
/*
* configure a fifo; for non-shared endpoints, this may be called
cfg = mode_4_cfg;
n = ARRAY_SIZE(mode_4_cfg);
break;
+ case 5:
+ cfg = mode_5_cfg;
+ n = ARRAY_SIZE(mode_5_cfg);
+ break;
}
printk(KERN_DEBUG "%s: setup fifo_mode %d\n",
*/
static int __init musb_core_init(u16 musb_type, struct musb *musb)
{
- #ifdef MUSB_AHB_ID
- u32 data;
- #endif
u8 reg;
char *type;
char aInfo[90], aRevision[32], aDate[12];
reg = musb_read_configdata(mbase);
strcpy(aInfo, (reg & MUSB_CONFIGDATA_UTMIDW) ? "UTMI-16" : "UTMI-8");
- if (reg & MUSB_CONFIGDATA_DYNFIFO)
+ if (reg & MUSB_CONFIGDATA_DYNFIFO) {
strcat(aInfo, ", dyn FIFOs");
+ musb->dyn_fifo = true;
+ }
if (reg & MUSB_CONFIGDATA_MPRXE) {
strcat(aInfo, ", bulk combine");
- #ifdef C_MP_RX
musb->bulk_combine = true;
- #else
- strcat(aInfo, " (X)"); /* no driver support */
- #endif
}
if (reg & MUSB_CONFIGDATA_MPTXE) {
strcat(aInfo, ", bulk split");
- #ifdef C_MP_TX
musb->bulk_split = true;
- #else
- strcat(aInfo, " (X)"); /* no driver support */
- #endif
}
if (reg & MUSB_CONFIGDATA_HBRXE) {
strcat(aInfo, ", HB-ISO Rx");
printk(KERN_DEBUG "%s: ConfigData=0x%02x (%s)\n",
musb_driver_name, reg, aInfo);
- #ifdef MUSB_AHB_ID
- data = musb_readl(mbase, 0x404);
- sprintf(aDate, "%04d-%02x-%02x", (data & 0xffff),
- (data >> 16) & 0xff, (data >> 24) & 0xff);
- /* FIXME ID2 and ID3 are unused */
- data = musb_readl(mbase, 0x408);
- printk(KERN_DEBUG "ID2=%lx\n", (long unsigned)data);
- data = musb_readl(mbase, 0x40c);
- printk(KERN_DEBUG "ID3=%lx\n", (long unsigned)data);
- reg = musb_readb(mbase, 0x400);
- musb_type = ('M' == reg) ? MUSB_CONTROLLER_MHDRC : MUSB_CONTROLLER_HDRC;
- #else
aDate[0] = 0;
- #endif
if (MUSB_CONTROLLER_MHDRC == musb_type) {
musb->is_multipoint = 1;
type = "M";
musb->nr_endpoints = 1;
musb->epmask = 1;
- if (reg & MUSB_CONFIGDATA_DYNFIFO) {
- if (musb->config->dyn_fifo)
- status = ep_config_from_table(musb);
- else {
- ERR("reconfigure software for Dynamic FIFOs\n");
- status = -ENODEV;
- }
- } else {
- if (!musb->config->dyn_fifo)
- status = ep_config_from_hw(musb);
- else {
- ERR("reconfigure software for static FIFOs\n");
- return -ENODEV;
- }
- }
+ if (musb->dyn_fifo)
+ status = ep_config_from_table(musb);
+ else
+ status = ep_config_from_hw(musb);
if (status < 0)
return status;
ep_num++;
}
- /* finish handling "global" interrupts after handling fifos */
- if (musb->int_usb)
- retval |= musb_stage2_irq(musb,
- musb->int_usb, devctl, power);
-
return retval;
}
unsigned long val;
if (sscanf(buf, "%lu", &val) < 1) {
- printk(KERN_ERR "Invalid VBUS timeout ms value\n");
+ dev_err(dev, "Invalid VBUS timeout ms value\n");
return -EINVAL;
}
if (sscanf(buf, "%hu", &srp) != 1
|| (srp != 1)) {
- printk(KERN_ERR "SRP: Value must be 1\n");
+ dev_err(dev, "SRP: Value must be 1\n");
return -EINVAL;
}
#endif /* CONFIG_USB_GADGET_MUSB_HDRC */
+ static struct attribute *musb_attributes[] = {
+ &dev_attr_mode.attr,
+ &dev_attr_vbus.attr,
+ #ifdef CONFIG_USB_GADGET_MUSB_HDRC
+ &dev_attr_srp.attr,
+ #endif
+ NULL
+ };
+
+ static const struct attribute_group musb_attr_group = {
+ .attrs = musb_attributes,
+ };
+
#endif /* sysfs */
/* Only used to provide driver mode change events */
*/
#ifdef CONFIG_SYSFS
- device_remove_file(musb->controller, &dev_attr_mode);
- device_remove_file(musb->controller, &dev_attr_vbus);
- #ifdef CONFIG_USB_GADGET_MUSB_HDRC
- device_remove_file(musb->controller, &dev_attr_srp);
- #endif
+ sysfs_remove_group(&musb->controller->kobj, &musb_attr_group);
#endif
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
musb->irq_wake = 0;
}
- pr_info("%s: USB %s mode controller at %p using %s, IRQ %d\n",
- musb_driver_name,
- ({char *s;
- switch (musb->board_mode) {
- case MUSB_HOST: s = "Host"; break;
- case MUSB_PERIPHERAL: s = "Peripheral"; break;
- default: s = "OTG"; break;
- }; s; }),
- ctrl,
- (is_dma_capable() && musb->dma_controller)
- ? "DMA" : "PIO",
- musb->nIrq);
-
/* host side needs more setup */
if (is_host_enabled(musb)) {
struct usb_hcd *hcd = musb_to_hcd(musb);
+ u8 busctl;
otg_set_host(musb->xceiv, &hcd->self);
hcd->self.otg_port = 1;
musb->xceiv->host = &hcd->self;
hcd->power_budget = 2 * (plat->power ? : 250);
+
+ /* program PHY to use external vBus if required */
+ if (plat->extvbus) {
+ busctl = musb_readb(musb->mregs, MUSB_ULPI_BUSCONTROL);
+ busctl |= MUSB_ULPI_USE_EXTVBUS;
+ musb_writeb(musb->mregs, MUSB_ULPI_BUSCONTROL, busctl);
+ }
}
/* For the host-only role, we can activate right away.
}
#ifdef CONFIG_SYSFS
- status = device_create_file(dev, &dev_attr_mode);
- status = device_create_file(dev, &dev_attr_vbus);
- #ifdef CONFIG_USB_GADGET_MUSB_HDRC
- status = device_create_file(dev, &dev_attr_srp);
- #endif /* CONFIG_USB_GADGET_MUSB_HDRC */
- status = 0;
+ status = sysfs_create_group(&musb->controller->kobj, &musb_attr_group);
#endif
if (status)
goto fail2;
+ dev_info(dev, "USB %s mode controller at %p using %s, IRQ %d\n",
+ ({char *s;
+ switch (musb->board_mode) {
+ case MUSB_HOST: s = "Host"; break;
+ case MUSB_PERIPHERAL: s = "Peripheral"; break;
+ default: s = "OTG"; break;
+ }; s; }),
+ ctrl,
+ (is_dma_capable() && musb->dma_controller)
+ ? "DMA" : "PIO",
+ musb->nIrq);
+
return 0;
fail2:
- #ifdef CONFIG_SYSFS
- device_remove_file(musb->controller, &dev_attr_mode);
- device_remove_file(musb->controller, &dev_attr_vbus);
- #ifdef CONFIG_USB_GADGET_MUSB_HDRC
- device_remove_file(musb->controller, &dev_attr_srp);
- #endif
- #endif
musb_platform_exit(musb);
fail:
dev_err(musb->controller,
{
struct device *dev = &pdev->dev;
int irq = platform_get_irq(pdev, 0);
+ int status;
struct resource *iomem;
void __iomem *base;
if (!iomem || irq == 0)
return -ENODEV;
- base = ioremap(iomem->start, iomem->end - iomem->start + 1);
+ base = ioremap(iomem->start, resource_size(iomem));
if (!base) {
dev_err(dev, "ioremap failed\n");
return -ENOMEM;
/* clobbered by use_dma=n */
orig_dma_mask = dev->dma_mask;
#endif
- return musb_init_controller(dev, irq, base);
+
+ status = musb_init_controller(dev, irq, base);
+ if (status < 0)
+ iounmap(base);
+
+ return status;
}
static int __exit musb_remove(struct platform_device *pdev)
#ifdef CONFIG_PM
+ static struct musb_context_registers musb_context;
+
+ void musb_save_context(struct musb *musb)
+ {
+ int i;
+ void __iomem *musb_base = musb->mregs;
+
+ if (is_host_enabled(musb)) {
+ musb_context.frame = musb_readw(musb_base, MUSB_FRAME);
+ musb_context.testmode = musb_readb(musb_base, MUSB_TESTMODE);
+ }
+ musb_context.power = musb_readb(musb_base, MUSB_POWER);
+ musb_context.intrtxe = musb_readw(musb_base, MUSB_INTRTXE);
+ musb_context.intrrxe = musb_readw(musb_base, MUSB_INTRRXE);
+ musb_context.intrusbe = musb_readb(musb_base, MUSB_INTRUSBE);
+ musb_context.index = musb_readb(musb_base, MUSB_INDEX);
+ musb_context.devctl = musb_readb(musb_base, MUSB_DEVCTL);
+
+ for (i = 0; i < MUSB_C_NUM_EPS; ++i) {
+ musb_writeb(musb_base, MUSB_INDEX, i);
+ musb_context.index_regs[i].txmaxp =
+ musb_readw(musb_base, 0x10 + MUSB_TXMAXP);
+ musb_context.index_regs[i].txcsr =
+ musb_readw(musb_base, 0x10 + MUSB_TXCSR);
+ musb_context.index_regs[i].rxmaxp =
+ musb_readw(musb_base, 0x10 + MUSB_RXMAXP);
+ musb_context.index_regs[i].rxcsr =
+ musb_readw(musb_base, 0x10 + MUSB_RXCSR);
+
+ if (musb->dyn_fifo) {
+ musb_context.index_regs[i].txfifoadd =
+ musb_read_txfifoadd(musb_base);
+ musb_context.index_regs[i].rxfifoadd =
+ musb_read_rxfifoadd(musb_base);
+ musb_context.index_regs[i].txfifosz =
+ musb_read_txfifosz(musb_base);
+ musb_context.index_regs[i].rxfifosz =
+ musb_read_rxfifosz(musb_base);
+ }
+ if (is_host_enabled(musb)) {
+ musb_context.index_regs[i].txtype =
+ musb_readb(musb_base, 0x10 + MUSB_TXTYPE);
+ musb_context.index_regs[i].txinterval =
+ musb_readb(musb_base, 0x10 + MUSB_TXINTERVAL);
+ musb_context.index_regs[i].rxtype =
+ musb_readb(musb_base, 0x10 + MUSB_RXTYPE);
+ musb_context.index_regs[i].rxinterval =
+ musb_readb(musb_base, 0x10 + MUSB_RXINTERVAL);
+
+ musb_context.index_regs[i].txfunaddr =
+ musb_read_txfunaddr(musb_base, i);
+ musb_context.index_regs[i].txhubaddr =
+ musb_read_txhubaddr(musb_base, i);
+ musb_context.index_regs[i].txhubport =
+ musb_read_txhubport(musb_base, i);
+
+ musb_context.index_regs[i].rxfunaddr =
+ musb_read_rxfunaddr(musb_base, i);
+ musb_context.index_regs[i].rxhubaddr =
+ musb_read_rxhubaddr(musb_base, i);
+ musb_context.index_regs[i].rxhubport =
+ musb_read_rxhubport(musb_base, i);
+ }
+ }
+
+ musb_writeb(musb_base, MUSB_INDEX, musb_context.index);
+
+ musb_platform_save_context(musb, &musb_context);
+ }
+
+ void musb_restore_context(struct musb *musb)
+ {
+ int i;
+ void __iomem *musb_base = musb->mregs;
+ void __iomem *ep_target_regs;
+
+ musb_platform_restore_context(musb, &musb_context);
+
+ if (is_host_enabled(musb)) {
+ musb_writew(musb_base, MUSB_FRAME, musb_context.frame);
+ musb_writeb(musb_base, MUSB_TESTMODE, musb_context.testmode);
+ }
+ musb_writeb(musb_base, MUSB_POWER, musb_context.power);
+ musb_writew(musb_base, MUSB_INTRTXE, musb_context.intrtxe);
+ musb_writew(musb_base, MUSB_INTRRXE, musb_context.intrrxe);
+ musb_writeb(musb_base, MUSB_INTRUSBE, musb_context.intrusbe);
+ musb_writeb(musb_base, MUSB_DEVCTL, musb_context.devctl);
+
+ for (i = 0; i < MUSB_C_NUM_EPS; ++i) {
+ musb_writeb(musb_base, MUSB_INDEX, i);
+ musb_writew(musb_base, 0x10 + MUSB_TXMAXP,
+ musb_context.index_regs[i].txmaxp);
+ musb_writew(musb_base, 0x10 + MUSB_TXCSR,
+ musb_context.index_regs[i].txcsr);
+ musb_writew(musb_base, 0x10 + MUSB_RXMAXP,
+ musb_context.index_regs[i].rxmaxp);
+ musb_writew(musb_base, 0x10 + MUSB_RXCSR,
+ musb_context.index_regs[i].rxcsr);
+
+ if (musb->dyn_fifo) {
+ musb_write_txfifosz(musb_base,
+ musb_context.index_regs[i].txfifosz);
+ musb_write_rxfifosz(musb_base,
+ musb_context.index_regs[i].rxfifosz);
+ musb_write_txfifoadd(musb_base,
+ musb_context.index_regs[i].txfifoadd);
+ musb_write_rxfifoadd(musb_base,
+ musb_context.index_regs[i].rxfifoadd);
+ }
+
+ if (is_host_enabled(musb)) {
+ musb_writeb(musb_base, 0x10 + MUSB_TXTYPE,
+ musb_context.index_regs[i].txtype);
+ musb_writeb(musb_base, 0x10 + MUSB_TXINTERVAL,
+ musb_context.index_regs[i].txinterval);
+ musb_writeb(musb_base, 0x10 + MUSB_RXTYPE,
+ musb_context.index_regs[i].rxtype);
+ musb_writeb(musb_base, 0x10 + MUSB_RXINTERVAL,
+
+ musb_context.index_regs[i].rxinterval);
+ musb_write_txfunaddr(musb_base, i,
+ musb_context.index_regs[i].txfunaddr);
+ musb_write_txhubaddr(musb_base, i,
+ musb_context.index_regs[i].txhubaddr);
+ musb_write_txhubport(musb_base, i,
+ musb_context.index_regs[i].txhubport);
+
+ ep_target_regs =
+ musb_read_target_reg_base(i, musb_base);
+
+ musb_write_rxfunaddr(ep_target_regs,
+ musb_context.index_regs[i].rxfunaddr);
+ musb_write_rxhubaddr(ep_target_regs,
+ musb_context.index_regs[i].rxhubaddr);
+ musb_write_rxhubport(ep_target_regs,
+ musb_context.index_regs[i].rxhubport);
+ }
+ }
+
+ musb_writeb(musb_base, MUSB_INDEX, musb_context.index);
+ }
+
static int musb_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
*/
}
+ musb_save_context(musb);
+
if (musb->set_clock)
musb->set_clock(musb->clock, 0);
else
else
clk_enable(musb->clock);
+ musb_restore_context(musb);
+
/* for static cmos like DaVinci, register values were preserved
* unless for some reason the whole soc powered down or the USB
* module got reset through the PSC (vs just being disabled).
projects / mirror_ubuntu-focal-kernel.git / commitdiff