From: Florian Fainelli Date: Wed, 5 Dec 2012 14:18:05 +0000 (+0000) Subject: kernel/3.3: move OHCI and EHCI platform drivers to generic X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=512baafc6b88c6e30bab7979c87c6931714a1c43;p=librecmc%2Flibrecmc.git kernel/3.3: move OHCI and EHCI platform drivers to generic These patches are not specific to bcm47xx and will be used on other platforms as well. Signed-off-by: Florian Fainelli SVN-Revision: 34501 --- diff --git a/target/linux/brcm47xx/patches-3.3/180-USB-OHCI-Add-a-generic-platform-device-driver.patch b/target/linux/brcm47xx/patches-3.3/180-USB-OHCI-Add-a-generic-platform-device-driver.patch deleted file mode 100644 index 8ea102f1f9..0000000000 --- a/target/linux/brcm47xx/patches-3.3/180-USB-OHCI-Add-a-generic-platform-device-driver.patch +++ /dev/null @@ -1,271 +0,0 @@ ---- a/drivers/usb/host/Kconfig -+++ b/drivers/usb/host/Kconfig -@@ -393,6 +393,16 @@ config USB_CNS3XXX_OHCI - Enable support for the CNS3XXX SOC's on-chip OHCI controller. - It is needed for low-speed USB 1.0 device support. - -+config USB_OHCI_HCD_PLATFORM -+ bool "Generic OHCI driver for a platform device" -+ depends on USB_OHCI_HCD && EXPERIMENTAL -+ default n -+ ---help--- -+ Adds an OHCI host driver for a generic platform device, which -+ provieds a memory space and an irq. -+ -+ If unsure, say N. -+ - config USB_OHCI_BIG_ENDIAN_DESC - bool - depends on USB_OHCI_HCD ---- a/drivers/usb/host/ohci-hcd.c -+++ b/drivers/usb/host/ohci-hcd.c -@@ -1121,6 +1121,11 @@ MODULE_LICENSE ("GPL"); - #define PLATFORM_DRIVER ohci_xls_driver - #endif - -+#ifdef CONFIG_USB_OHCI_HCD_PLATFORM -+#include "ohci-platform.c" -+#define PLATFORM_DRIVER ohci_platform_driver -+#endif -+ - #if !defined(PCI_DRIVER) && \ - !defined(PLATFORM_DRIVER) && \ - !defined(OMAP1_PLATFORM_DRIVER) && \ ---- /dev/null -+++ b/drivers/usb/host/ohci-platform.c -@@ -0,0 +1,194 @@ -+/* -+ * Generic platform ohci driver -+ * -+ * Copyright 2007 Michael Buesch -+ * Copyright 2011-2012 Hauke Mehrtens -+ * -+ * Derived from the OCHI-SSB driver -+ * Derived from the OHCI-PCI driver -+ * Copyright 1999 Roman Weissgaerber -+ * Copyright 2000-2002 David Brownell -+ * Copyright 1999 Linus Torvalds -+ * Copyright 1999 Gregory P. Smith -+ * -+ * Licensed under the GNU/GPL. See COPYING for details. -+ */ -+#include -+#include -+ -+static int ohci_platform_reset(struct usb_hcd *hcd) -+{ -+ struct platform_device *pdev = to_platform_device(hcd->self.controller); -+ struct usb_ohci_pdata *pdata = pdev->dev.platform_data; -+ struct ohci_hcd *ohci = hcd_to_ohci(hcd); -+ int err; -+ -+ if (pdata->big_endian_desc) -+ ohci->flags |= OHCI_QUIRK_BE_DESC; -+ if (pdata->big_endian_mmio) -+ ohci->flags |= OHCI_QUIRK_BE_MMIO; -+ if (pdata->no_big_frame_no) -+ ohci->flags |= OHCI_QUIRK_FRAME_NO; -+ -+ ohci_hcd_init(ohci); -+ err = ohci_init(ohci); -+ -+ return err; -+} -+ -+static int ohci_platform_start(struct usb_hcd *hcd) -+{ -+ struct ohci_hcd *ohci = hcd_to_ohci(hcd); -+ int err; -+ -+ err = ohci_run(ohci); -+ if (err < 0) { -+ ohci_err(ohci, "can't start\n"); -+ ohci_stop(hcd); -+ } -+ -+ return err; -+} -+ -+static const struct hc_driver ohci_platform_hc_driver = { -+ .description = hcd_name, -+ .product_desc = "Generic Platform OHCI Controller", -+ .hcd_priv_size = sizeof(struct ohci_hcd), -+ -+ .irq = ohci_irq, -+ .flags = HCD_MEMORY | HCD_USB11, -+ -+ .reset = ohci_platform_reset, -+ .start = ohci_platform_start, -+ .stop = ohci_stop, -+ .shutdown = ohci_shutdown, -+ -+ .urb_enqueue = ohci_urb_enqueue, -+ .urb_dequeue = ohci_urb_dequeue, -+ .endpoint_disable = ohci_endpoint_disable, -+ -+ .get_frame_number = ohci_get_frame, -+ -+ .hub_status_data = ohci_hub_status_data, -+ .hub_control = ohci_hub_control, -+#ifdef CONFIG_PM -+ .bus_suspend = ohci_bus_suspend, -+ .bus_resume = ohci_bus_resume, -+#endif -+ -+ .start_port_reset = ohci_start_port_reset, -+}; -+ -+static int __devinit ohci_platform_probe(struct platform_device *dev) -+{ -+ struct usb_hcd *hcd; -+ struct resource *res_mem; -+ int irq; -+ int err = -ENOMEM; -+ -+ BUG_ON(!dev->dev.platform_data); -+ -+ if (usb_disabled()) -+ return -ENODEV; -+ -+ irq = platform_get_irq(dev, 0); -+ if (irq < 0) { -+ pr_err("no irq provieded"); -+ return irq; -+ } -+ -+ res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0); -+ if (!res_mem) { -+ pr_err("no memory recourse provieded"); -+ return -ENXIO; -+ } -+ -+ hcd = usb_create_hcd(&ohci_platform_hc_driver, &dev->dev, -+ dev_name(&dev->dev)); -+ if (!hcd) -+ return -ENOMEM; -+ -+ hcd->rsrc_start = res_mem->start; -+ hcd->rsrc_len = resource_size(res_mem); -+ -+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { -+ pr_err("controller already in use"); -+ err = -EBUSY; -+ goto err_put_hcd; -+ } -+ -+ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); -+ if (!hcd->regs) -+ goto err_release_region; -+ err = usb_add_hcd(hcd, irq, IRQF_SHARED); -+ if (err) -+ goto err_iounmap; -+ -+ platform_set_drvdata(dev, hcd); -+ -+ return err; -+ -+err_iounmap: -+ iounmap(hcd->regs); -+err_release_region: -+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -+err_put_hcd: -+ usb_put_hcd(hcd); -+ return err; -+} -+ -+static int __devexit ohci_platform_remove(struct platform_device *dev) -+{ -+ struct usb_hcd *hcd = platform_get_drvdata(dev); -+ -+ usb_remove_hcd(hcd); -+ iounmap(hcd->regs); -+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -+ usb_put_hcd(hcd); -+ platform_set_drvdata(dev, NULL); -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+ -+static int ohci_platform_suspend(struct device *dev) -+{ -+ return 0; -+} -+ -+static int ohci_platform_resume(struct device *dev) -+{ -+ struct usb_hcd *hcd = dev_get_drvdata(dev); -+ -+ ohci_finish_controller_resume(hcd); -+ return 0; -+} -+ -+#else /* !CONFIG_PM */ -+#define ohci_platform_suspend NULL -+#define ohci_platform_resume NULL -+#endif /* CONFIG_PM */ -+ -+static const struct platform_device_id ohci_platform_table[] = { -+ { "ohci-platform", 0 }, -+ { } -+}; -+MODULE_DEVICE_TABLE(platform, ohci_platform_table); -+ -+static const struct dev_pm_ops ohci_platform_pm_ops = { -+ .suspend = ohci_platform_suspend, -+ .resume = ohci_platform_resume, -+}; -+ -+static struct platform_driver ohci_platform_driver = { -+ .id_table = ohci_platform_table, -+ .probe = ohci_platform_probe, -+ .remove = __devexit_p(ohci_platform_remove), -+ .shutdown = usb_hcd_platform_shutdown, -+ .driver = { -+ .owner = THIS_MODULE, -+ .name = "ohci-platform", -+ .pm = &ohci_platform_pm_ops, -+ } -+}; ---- /dev/null -+++ b/include/linux/usb/ohci_pdriver.h -@@ -0,0 +1,38 @@ -+/* -+ * Copyright (C) 2012 Hauke Mehrtens -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -+ * for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software Foundation, -+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ */ -+ -+#ifndef __USB_CORE_OHCI_PDRIVER_H -+#define __USB_CORE_OHCI_PDRIVER_H -+ -+/** -+ * struct usb_ohci_pdata - platform_data for generic ohci driver -+ * -+ * @big_endian_desc: BE descriptors -+ * @big_endian_mmio: BE registers -+ * @no_big_frame_no: no big endian frame_no shift -+ * -+ * These are general configuration options for the OHCI controller. All of -+ * these options are activating more or less workarounds for some hardware. -+ */ -+struct usb_ohci_pdata { -+ unsigned big_endian_desc:1; -+ unsigned big_endian_mmio:1; -+ unsigned no_big_frame_no:1; -+}; -+ -+#endif /* __USB_CORE_OHCI_PDRIVER_H */ diff --git a/target/linux/brcm47xx/patches-3.3/181-USB-EHCI-Add-a-generic-platform-device-driver.patch b/target/linux/brcm47xx/patches-3.3/181-USB-EHCI-Add-a-generic-platform-device-driver.patch deleted file mode 100644 index 62eb87a8a1..0000000000 --- a/target/linux/brcm47xx/patches-3.3/181-USB-EHCI-Add-a-generic-platform-device-driver.patch +++ /dev/null @@ -1,283 +0,0 @@ ---- a/drivers/usb/host/Kconfig -+++ b/drivers/usb/host/Kconfig -@@ -403,6 +403,16 @@ config USB_OHCI_HCD_PLATFORM - - If unsure, say N. - -+config USB_EHCI_HCD_PLATFORM -+ bool "Generic EHCI driver for a platform device" -+ depends on USB_EHCI_HCD && EXPERIMENTAL -+ default n -+ ---help--- -+ Adds an EHCI host driver for a generic platform device, which -+ provieds a memory space and an irq. -+ -+ If unsure, say N. -+ - config USB_OHCI_BIG_ENDIAN_DESC - bool - depends on USB_OHCI_HCD ---- a/drivers/usb/host/ehci-hcd.c -+++ b/drivers/usb/host/ehci-hcd.c -@@ -1381,6 +1381,11 @@ MODULE_LICENSE ("GPL"); - #define PLATFORM_DRIVER ehci_mv_driver - #endif - -+#ifdef CONFIG_USB_EHCI_HCD_PLATFORM -+#include "ehci-platform.c" -+#define PLATFORM_DRIVER ehci_platform_driver -+#endif -+ - #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \ - !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \ - !defined(XILINX_OF_PLATFORM_DRIVER) ---- /dev/null -+++ b/drivers/usb/host/ehci-platform.c -@@ -0,0 +1,198 @@ -+/* -+ * Generic platform ehci driver -+ * -+ * Copyright 2007 Steven Brown -+ * Copyright 2010-2012 Hauke Mehrtens -+ * -+ * Derived from the ohci-ssb driver -+ * Copyright 2007 Michael Buesch -+ * -+ * Derived from the EHCI-PCI driver -+ * Copyright (c) 2000-2004 by David Brownell -+ * -+ * Derived from the ohci-pci driver -+ * Copyright 1999 Roman Weissgaerber -+ * Copyright 2000-2002 David Brownell -+ * Copyright 1999 Linus Torvalds -+ * Copyright 1999 Gregory P. Smith -+ * -+ * Licensed under the GNU/GPL. See COPYING for details. -+ */ -+#include -+#include -+ -+static int ehci_platform_reset(struct usb_hcd *hcd) -+{ -+ struct platform_device *pdev = to_platform_device(hcd->self.controller); -+ struct usb_ehci_pdata *pdata = pdev->dev.platform_data; -+ struct ehci_hcd *ehci = hcd_to_ehci(hcd); -+ int retval; -+ -+ hcd->has_tt = pdata->has_tt; -+ ehci->has_synopsys_hc_bug = pdata->has_synopsys_hc_bug; -+ ehci->big_endian_desc = pdata->big_endian_desc; -+ ehci->big_endian_mmio = pdata->big_endian_mmio; -+ -+ ehci->caps = hcd->regs + pdata->caps_offset; -+ retval = ehci_setup(hcd); -+ if (retval) -+ return retval; -+ -+ if (pdata->port_power_on) -+ ehci_port_power(ehci, 1); -+ if (pdata->port_power_off) -+ ehci_port_power(ehci, 0); -+ -+ return 0; -+} -+ -+static const struct hc_driver ehci_platform_hc_driver = { -+ .description = hcd_name, -+ .product_desc = "Generic Platform EHCI Controller", -+ .hcd_priv_size = sizeof(struct ehci_hcd), -+ -+ .irq = ehci_irq, -+ .flags = HCD_MEMORY | HCD_USB2, -+ -+ .reset = ehci_platform_reset, -+ .start = ehci_run, -+ .stop = ehci_stop, -+ .shutdown = ehci_shutdown, -+ -+ .urb_enqueue = ehci_urb_enqueue, -+ .urb_dequeue = ehci_urb_dequeue, -+ .endpoint_disable = ehci_endpoint_disable, -+ .endpoint_reset = ehci_endpoint_reset, -+ -+ .get_frame_number = ehci_get_frame, -+ -+ .hub_status_data = ehci_hub_status_data, -+ .hub_control = ehci_hub_control, -+#if defined(CONFIG_PM) -+ .bus_suspend = ehci_bus_suspend, -+ .bus_resume = ehci_bus_resume, -+#endif -+ .relinquish_port = ehci_relinquish_port, -+ .port_handed_over = ehci_port_handed_over, -+ -+ .update_device = ehci_update_device, -+ -+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, -+}; -+ -+static int __devinit ehci_platform_probe(struct platform_device *dev) -+{ -+ struct usb_hcd *hcd; -+ struct resource *res_mem; -+ int irq; -+ int err = -ENOMEM; -+ -+ BUG_ON(!dev->dev.platform_data); -+ -+ if (usb_disabled()) -+ return -ENODEV; -+ -+ irq = platform_get_irq(dev, 0); -+ if (irq < 0) { -+ pr_err("no irq provieded"); -+ return irq; -+ } -+ res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0); -+ if (!res_mem) { -+ pr_err("no memory recourse provieded"); -+ return -ENXIO; -+ } -+ -+ hcd = usb_create_hcd(&ehci_platform_hc_driver, &dev->dev, -+ dev_name(&dev->dev)); -+ if (!hcd) -+ return -ENOMEM; -+ -+ hcd->rsrc_start = res_mem->start; -+ hcd->rsrc_len = resource_size(res_mem); -+ -+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { -+ pr_err("controller already in use"); -+ err = -EBUSY; -+ goto err_put_hcd; -+ } -+ -+ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); -+ if (!hcd->regs) -+ goto err_release_region; -+ err = usb_add_hcd(hcd, irq, IRQF_SHARED); -+ if (err) -+ goto err_iounmap; -+ -+ platform_set_drvdata(dev, hcd); -+ -+ return err; -+ -+err_iounmap: -+ iounmap(hcd->regs); -+err_release_region: -+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -+err_put_hcd: -+ usb_put_hcd(hcd); -+ return err; -+} -+ -+static int __devexit ehci_platform_remove(struct platform_device *dev) -+{ -+ struct usb_hcd *hcd = platform_get_drvdata(dev); -+ -+ usb_remove_hcd(hcd); -+ iounmap(hcd->regs); -+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); -+ usb_put_hcd(hcd); -+ platform_set_drvdata(dev, NULL); -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+ -+static int ehci_platform_suspend(struct device *dev) -+{ -+ struct usb_hcd *hcd = dev_get_drvdata(dev); -+ bool wakeup = device_may_wakeup(dev); -+ -+ ehci_prepare_ports_for_controller_suspend(hcd_to_ehci(hcd), wakeup); -+ return 0; -+} -+ -+static int ehci_platform_resume(struct device *dev) -+{ -+ struct usb_hcd *hcd = dev_get_drvdata(dev); -+ -+ ehci_prepare_ports_for_controller_resume(hcd_to_ehci(hcd)); -+ return 0; -+} -+ -+#else /* !CONFIG_PM */ -+#define ehci_platform_suspend NULL -+#define ehci_platform_resume NULL -+#endif /* CONFIG_PM */ -+ -+static const struct platform_device_id ehci_platform_table[] = { -+ { "ehci-platform", 0 }, -+ { } -+}; -+MODULE_DEVICE_TABLE(platform, ehci_platform_table); -+ -+static const struct dev_pm_ops ehci_platform_pm_ops = { -+ .suspend = ehci_platform_suspend, -+ .resume = ehci_platform_resume, -+}; -+ -+static struct platform_driver ehci_platform_driver = { -+ .id_table = ehci_platform_table, -+ .probe = ehci_platform_probe, -+ .remove = __devexit_p(ehci_platform_remove), -+ .shutdown = usb_hcd_platform_shutdown, -+ .driver = { -+ .owner = THIS_MODULE, -+ .name = "ehci-platform", -+ .pm = &ehci_platform_pm_ops, -+ } -+}; ---- /dev/null -+++ b/include/linux/usb/ehci_pdriver.h -@@ -0,0 +1,46 @@ -+/* -+ * Copyright (C) 2012 Hauke Mehrtens -+ * -+ * This program is free software; you can redistribute it and/or modify it -+ * under the terms of the GNU General Public License as published by the -+ * Free Software Foundation; either version 2 of the License, or (at your -+ * option) any later version. -+ * -+ * This program is distributed in the hope that it will be useful, but -+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -+ * for more details. -+ * -+ * You should have received a copy of the GNU General Public License -+ * along with this program; if not, write to the Free Software Foundation, -+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -+ */ -+ -+#ifndef __USB_CORE_EHCI_PDRIVER_H -+#define __USB_CORE_EHCI_PDRIVER_H -+ -+/** -+ * struct usb_ehci_pdata - platform_data for generic ehci driver -+ * -+ * @caps_offset: offset of the EHCI Capability Registers to the start of -+ * the io memory region provided to the driver. -+ * @has_tt: set to 1 if TT is integrated in root hub. -+ * @port_power_on: set to 1 if the controller needs a power up after -+ * initialization. -+ * @port_power_off: set to 1 if the controller needs to be powered down -+ * after initialization. -+ * -+ * These are general configuration options for the EHCI controller. All of -+ * these options are activating more or less workarounds for some hardware. -+ */ -+struct usb_ehci_pdata { -+ int caps_offset; -+ unsigned has_tt:1; -+ unsigned has_synopsys_hc_bug:1; -+ unsigned big_endian_desc:1; -+ unsigned big_endian_mmio:1; -+ unsigned port_power_on:1; -+ unsigned port_power_off:1; -+}; -+ -+#endif /* __USB_CORE_EHCI_PDRIVER_H */ diff --git a/target/linux/brcm47xx/patches-3.3/187-USB-EHCI-platform-remove-update.patch b/target/linux/brcm47xx/patches-3.3/187-USB-EHCI-platform-remove-update.patch deleted file mode 100644 index e9a5b70054..0000000000 --- a/target/linux/brcm47xx/patches-3.3/187-USB-EHCI-platform-remove-update.patch +++ /dev/null @@ -1,11 +0,0 @@ ---- a/drivers/usb/host/ehci-platform.c -+++ b/drivers/usb/host/ehci-platform.c -@@ -75,8 +75,6 @@ static const struct hc_driver ehci_platf - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - -- .update_device = ehci_update_device, -- - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, - }; - diff --git a/target/linux/generic/patches-3.3/081-USB-OHCI-Add-a-generic-platform-device-driver.patch b/target/linux/generic/patches-3.3/081-USB-OHCI-Add-a-generic-platform-device-driver.patch new file mode 100644 index 0000000000..8ea102f1f9 --- /dev/null +++ b/target/linux/generic/patches-3.3/081-USB-OHCI-Add-a-generic-platform-device-driver.patch @@ -0,0 +1,271 @@ +--- a/drivers/usb/host/Kconfig ++++ b/drivers/usb/host/Kconfig +@@ -393,6 +393,16 @@ config USB_CNS3XXX_OHCI + Enable support for the CNS3XXX SOC's on-chip OHCI controller. + It is needed for low-speed USB 1.0 device support. + ++config USB_OHCI_HCD_PLATFORM ++ bool "Generic OHCI driver for a platform device" ++ depends on USB_OHCI_HCD && EXPERIMENTAL ++ default n ++ ---help--- ++ Adds an OHCI host driver for a generic platform device, which ++ provieds a memory space and an irq. ++ ++ If unsure, say N. ++ + config USB_OHCI_BIG_ENDIAN_DESC + bool + depends on USB_OHCI_HCD +--- a/drivers/usb/host/ohci-hcd.c ++++ b/drivers/usb/host/ohci-hcd.c +@@ -1121,6 +1121,11 @@ MODULE_LICENSE ("GPL"); + #define PLATFORM_DRIVER ohci_xls_driver + #endif + ++#ifdef CONFIG_USB_OHCI_HCD_PLATFORM ++#include "ohci-platform.c" ++#define PLATFORM_DRIVER ohci_platform_driver ++#endif ++ + #if !defined(PCI_DRIVER) && \ + !defined(PLATFORM_DRIVER) && \ + !defined(OMAP1_PLATFORM_DRIVER) && \ +--- /dev/null ++++ b/drivers/usb/host/ohci-platform.c +@@ -0,0 +1,194 @@ ++/* ++ * Generic platform ohci driver ++ * ++ * Copyright 2007 Michael Buesch ++ * Copyright 2011-2012 Hauke Mehrtens ++ * ++ * Derived from the OCHI-SSB driver ++ * Derived from the OHCI-PCI driver ++ * Copyright 1999 Roman Weissgaerber ++ * Copyright 2000-2002 David Brownell ++ * Copyright 1999 Linus Torvalds ++ * Copyright 1999 Gregory P. Smith ++ * ++ * Licensed under the GNU/GPL. See COPYING for details. ++ */ ++#include ++#include ++ ++static int ohci_platform_reset(struct usb_hcd *hcd) ++{ ++ struct platform_device *pdev = to_platform_device(hcd->self.controller); ++ struct usb_ohci_pdata *pdata = pdev->dev.platform_data; ++ struct ohci_hcd *ohci = hcd_to_ohci(hcd); ++ int err; ++ ++ if (pdata->big_endian_desc) ++ ohci->flags |= OHCI_QUIRK_BE_DESC; ++ if (pdata->big_endian_mmio) ++ ohci->flags |= OHCI_QUIRK_BE_MMIO; ++ if (pdata->no_big_frame_no) ++ ohci->flags |= OHCI_QUIRK_FRAME_NO; ++ ++ ohci_hcd_init(ohci); ++ err = ohci_init(ohci); ++ ++ return err; ++} ++ ++static int ohci_platform_start(struct usb_hcd *hcd) ++{ ++ struct ohci_hcd *ohci = hcd_to_ohci(hcd); ++ int err; ++ ++ err = ohci_run(ohci); ++ if (err < 0) { ++ ohci_err(ohci, "can't start\n"); ++ ohci_stop(hcd); ++ } ++ ++ return err; ++} ++ ++static const struct hc_driver ohci_platform_hc_driver = { ++ .description = hcd_name, ++ .product_desc = "Generic Platform OHCI Controller", ++ .hcd_priv_size = sizeof(struct ohci_hcd), ++ ++ .irq = ohci_irq, ++ .flags = HCD_MEMORY | HCD_USB11, ++ ++ .reset = ohci_platform_reset, ++ .start = ohci_platform_start, ++ .stop = ohci_stop, ++ .shutdown = ohci_shutdown, ++ ++ .urb_enqueue = ohci_urb_enqueue, ++ .urb_dequeue = ohci_urb_dequeue, ++ .endpoint_disable = ohci_endpoint_disable, ++ ++ .get_frame_number = ohci_get_frame, ++ ++ .hub_status_data = ohci_hub_status_data, ++ .hub_control = ohci_hub_control, ++#ifdef CONFIG_PM ++ .bus_suspend = ohci_bus_suspend, ++ .bus_resume = ohci_bus_resume, ++#endif ++ ++ .start_port_reset = ohci_start_port_reset, ++}; ++ ++static int __devinit ohci_platform_probe(struct platform_device *dev) ++{ ++ struct usb_hcd *hcd; ++ struct resource *res_mem; ++ int irq; ++ int err = -ENOMEM; ++ ++ BUG_ON(!dev->dev.platform_data); ++ ++ if (usb_disabled()) ++ return -ENODEV; ++ ++ irq = platform_get_irq(dev, 0); ++ if (irq < 0) { ++ pr_err("no irq provieded"); ++ return irq; ++ } ++ ++ res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0); ++ if (!res_mem) { ++ pr_err("no memory recourse provieded"); ++ return -ENXIO; ++ } ++ ++ hcd = usb_create_hcd(&ohci_platform_hc_driver, &dev->dev, ++ dev_name(&dev->dev)); ++ if (!hcd) ++ return -ENOMEM; ++ ++ hcd->rsrc_start = res_mem->start; ++ hcd->rsrc_len = resource_size(res_mem); ++ ++ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { ++ pr_err("controller already in use"); ++ err = -EBUSY; ++ goto err_put_hcd; ++ } ++ ++ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); ++ if (!hcd->regs) ++ goto err_release_region; ++ err = usb_add_hcd(hcd, irq, IRQF_SHARED); ++ if (err) ++ goto err_iounmap; ++ ++ platform_set_drvdata(dev, hcd); ++ ++ return err; ++ ++err_iounmap: ++ iounmap(hcd->regs); ++err_release_region: ++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); ++err_put_hcd: ++ usb_put_hcd(hcd); ++ return err; ++} ++ ++static int __devexit ohci_platform_remove(struct platform_device *dev) ++{ ++ struct usb_hcd *hcd = platform_get_drvdata(dev); ++ ++ usb_remove_hcd(hcd); ++ iounmap(hcd->regs); ++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); ++ usb_put_hcd(hcd); ++ platform_set_drvdata(dev, NULL); ++ ++ return 0; ++} ++ ++#ifdef CONFIG_PM ++ ++static int ohci_platform_suspend(struct device *dev) ++{ ++ return 0; ++} ++ ++static int ohci_platform_resume(struct device *dev) ++{ ++ struct usb_hcd *hcd = dev_get_drvdata(dev); ++ ++ ohci_finish_controller_resume(hcd); ++ return 0; ++} ++ ++#else /* !CONFIG_PM */ ++#define ohci_platform_suspend NULL ++#define ohci_platform_resume NULL ++#endif /* CONFIG_PM */ ++ ++static const struct platform_device_id ohci_platform_table[] = { ++ { "ohci-platform", 0 }, ++ { } ++}; ++MODULE_DEVICE_TABLE(platform, ohci_platform_table); ++ ++static const struct dev_pm_ops ohci_platform_pm_ops = { ++ .suspend = ohci_platform_suspend, ++ .resume = ohci_platform_resume, ++}; ++ ++static struct platform_driver ohci_platform_driver = { ++ .id_table = ohci_platform_table, ++ .probe = ohci_platform_probe, ++ .remove = __devexit_p(ohci_platform_remove), ++ .shutdown = usb_hcd_platform_shutdown, ++ .driver = { ++ .owner = THIS_MODULE, ++ .name = "ohci-platform", ++ .pm = &ohci_platform_pm_ops, ++ } ++}; +--- /dev/null ++++ b/include/linux/usb/ohci_pdriver.h +@@ -0,0 +1,38 @@ ++/* ++ * Copyright (C) 2012 Hauke Mehrtens ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, but ++ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ++ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ * for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software Foundation, ++ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. ++ */ ++ ++#ifndef __USB_CORE_OHCI_PDRIVER_H ++#define __USB_CORE_OHCI_PDRIVER_H ++ ++/** ++ * struct usb_ohci_pdata - platform_data for generic ohci driver ++ * ++ * @big_endian_desc: BE descriptors ++ * @big_endian_mmio: BE registers ++ * @no_big_frame_no: no big endian frame_no shift ++ * ++ * These are general configuration options for the OHCI controller. All of ++ * these options are activating more or less workarounds for some hardware. ++ */ ++struct usb_ohci_pdata { ++ unsigned big_endian_desc:1; ++ unsigned big_endian_mmio:1; ++ unsigned no_big_frame_no:1; ++}; ++ ++#endif /* __USB_CORE_OHCI_PDRIVER_H */ diff --git a/target/linux/generic/patches-3.3/082-USB-EHCI-Add-a-generic-platform-device-driver.patch b/target/linux/generic/patches-3.3/082-USB-EHCI-Add-a-generic-platform-device-driver.patch new file mode 100644 index 0000000000..62eb87a8a1 --- /dev/null +++ b/target/linux/generic/patches-3.3/082-USB-EHCI-Add-a-generic-platform-device-driver.patch @@ -0,0 +1,283 @@ +--- a/drivers/usb/host/Kconfig ++++ b/drivers/usb/host/Kconfig +@@ -403,6 +403,16 @@ config USB_OHCI_HCD_PLATFORM + + If unsure, say N. + ++config USB_EHCI_HCD_PLATFORM ++ bool "Generic EHCI driver for a platform device" ++ depends on USB_EHCI_HCD && EXPERIMENTAL ++ default n ++ ---help--- ++ Adds an EHCI host driver for a generic platform device, which ++ provieds a memory space and an irq. ++ ++ If unsure, say N. ++ + config USB_OHCI_BIG_ENDIAN_DESC + bool + depends on USB_OHCI_HCD +--- a/drivers/usb/host/ehci-hcd.c ++++ b/drivers/usb/host/ehci-hcd.c +@@ -1381,6 +1381,11 @@ MODULE_LICENSE ("GPL"); + #define PLATFORM_DRIVER ehci_mv_driver + #endif + ++#ifdef CONFIG_USB_EHCI_HCD_PLATFORM ++#include "ehci-platform.c" ++#define PLATFORM_DRIVER ehci_platform_driver ++#endif ++ + #if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \ + !defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \ + !defined(XILINX_OF_PLATFORM_DRIVER) +--- /dev/null ++++ b/drivers/usb/host/ehci-platform.c +@@ -0,0 +1,198 @@ ++/* ++ * Generic platform ehci driver ++ * ++ * Copyright 2007 Steven Brown ++ * Copyright 2010-2012 Hauke Mehrtens ++ * ++ * Derived from the ohci-ssb driver ++ * Copyright 2007 Michael Buesch ++ * ++ * Derived from the EHCI-PCI driver ++ * Copyright (c) 2000-2004 by David Brownell ++ * ++ * Derived from the ohci-pci driver ++ * Copyright 1999 Roman Weissgaerber ++ * Copyright 2000-2002 David Brownell ++ * Copyright 1999 Linus Torvalds ++ * Copyright 1999 Gregory P. Smith ++ * ++ * Licensed under the GNU/GPL. See COPYING for details. ++ */ ++#include ++#include ++ ++static int ehci_platform_reset(struct usb_hcd *hcd) ++{ ++ struct platform_device *pdev = to_platform_device(hcd->self.controller); ++ struct usb_ehci_pdata *pdata = pdev->dev.platform_data; ++ struct ehci_hcd *ehci = hcd_to_ehci(hcd); ++ int retval; ++ ++ hcd->has_tt = pdata->has_tt; ++ ehci->has_synopsys_hc_bug = pdata->has_synopsys_hc_bug; ++ ehci->big_endian_desc = pdata->big_endian_desc; ++ ehci->big_endian_mmio = pdata->big_endian_mmio; ++ ++ ehci->caps = hcd->regs + pdata->caps_offset; ++ retval = ehci_setup(hcd); ++ if (retval) ++ return retval; ++ ++ if (pdata->port_power_on) ++ ehci_port_power(ehci, 1); ++ if (pdata->port_power_off) ++ ehci_port_power(ehci, 0); ++ ++ return 0; ++} ++ ++static const struct hc_driver ehci_platform_hc_driver = { ++ .description = hcd_name, ++ .product_desc = "Generic Platform EHCI Controller", ++ .hcd_priv_size = sizeof(struct ehci_hcd), ++ ++ .irq = ehci_irq, ++ .flags = HCD_MEMORY | HCD_USB2, ++ ++ .reset = ehci_platform_reset, ++ .start = ehci_run, ++ .stop = ehci_stop, ++ .shutdown = ehci_shutdown, ++ ++ .urb_enqueue = ehci_urb_enqueue, ++ .urb_dequeue = ehci_urb_dequeue, ++ .endpoint_disable = ehci_endpoint_disable, ++ .endpoint_reset = ehci_endpoint_reset, ++ ++ .get_frame_number = ehci_get_frame, ++ ++ .hub_status_data = ehci_hub_status_data, ++ .hub_control = ehci_hub_control, ++#if defined(CONFIG_PM) ++ .bus_suspend = ehci_bus_suspend, ++ .bus_resume = ehci_bus_resume, ++#endif ++ .relinquish_port = ehci_relinquish_port, ++ .port_handed_over = ehci_port_handed_over, ++ ++ .update_device = ehci_update_device, ++ ++ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, ++}; ++ ++static int __devinit ehci_platform_probe(struct platform_device *dev) ++{ ++ struct usb_hcd *hcd; ++ struct resource *res_mem; ++ int irq; ++ int err = -ENOMEM; ++ ++ BUG_ON(!dev->dev.platform_data); ++ ++ if (usb_disabled()) ++ return -ENODEV; ++ ++ irq = platform_get_irq(dev, 0); ++ if (irq < 0) { ++ pr_err("no irq provieded"); ++ return irq; ++ } ++ res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0); ++ if (!res_mem) { ++ pr_err("no memory recourse provieded"); ++ return -ENXIO; ++ } ++ ++ hcd = usb_create_hcd(&ehci_platform_hc_driver, &dev->dev, ++ dev_name(&dev->dev)); ++ if (!hcd) ++ return -ENOMEM; ++ ++ hcd->rsrc_start = res_mem->start; ++ hcd->rsrc_len = resource_size(res_mem); ++ ++ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) { ++ pr_err("controller already in use"); ++ err = -EBUSY; ++ goto err_put_hcd; ++ } ++ ++ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); ++ if (!hcd->regs) ++ goto err_release_region; ++ err = usb_add_hcd(hcd, irq, IRQF_SHARED); ++ if (err) ++ goto err_iounmap; ++ ++ platform_set_drvdata(dev, hcd); ++ ++ return err; ++ ++err_iounmap: ++ iounmap(hcd->regs); ++err_release_region: ++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); ++err_put_hcd: ++ usb_put_hcd(hcd); ++ return err; ++} ++ ++static int __devexit ehci_platform_remove(struct platform_device *dev) ++{ ++ struct usb_hcd *hcd = platform_get_drvdata(dev); ++ ++ usb_remove_hcd(hcd); ++ iounmap(hcd->regs); ++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len); ++ usb_put_hcd(hcd); ++ platform_set_drvdata(dev, NULL); ++ ++ return 0; ++} ++ ++#ifdef CONFIG_PM ++ ++static int ehci_platform_suspend(struct device *dev) ++{ ++ struct usb_hcd *hcd = dev_get_drvdata(dev); ++ bool wakeup = device_may_wakeup(dev); ++ ++ ehci_prepare_ports_for_controller_suspend(hcd_to_ehci(hcd), wakeup); ++ return 0; ++} ++ ++static int ehci_platform_resume(struct device *dev) ++{ ++ struct usb_hcd *hcd = dev_get_drvdata(dev); ++ ++ ehci_prepare_ports_for_controller_resume(hcd_to_ehci(hcd)); ++ return 0; ++} ++ ++#else /* !CONFIG_PM */ ++#define ehci_platform_suspend NULL ++#define ehci_platform_resume NULL ++#endif /* CONFIG_PM */ ++ ++static const struct platform_device_id ehci_platform_table[] = { ++ { "ehci-platform", 0 }, ++ { } ++}; ++MODULE_DEVICE_TABLE(platform, ehci_platform_table); ++ ++static const struct dev_pm_ops ehci_platform_pm_ops = { ++ .suspend = ehci_platform_suspend, ++ .resume = ehci_platform_resume, ++}; ++ ++static struct platform_driver ehci_platform_driver = { ++ .id_table = ehci_platform_table, ++ .probe = ehci_platform_probe, ++ .remove = __devexit_p(ehci_platform_remove), ++ .shutdown = usb_hcd_platform_shutdown, ++ .driver = { ++ .owner = THIS_MODULE, ++ .name = "ehci-platform", ++ .pm = &ehci_platform_pm_ops, ++ } ++}; +--- /dev/null ++++ b/include/linux/usb/ehci_pdriver.h +@@ -0,0 +1,46 @@ ++/* ++ * Copyright (C) 2012 Hauke Mehrtens ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ * ++ * This program is distributed in the hope that it will be useful, but ++ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ++ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ * for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software Foundation, ++ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. ++ */ ++ ++#ifndef __USB_CORE_EHCI_PDRIVER_H ++#define __USB_CORE_EHCI_PDRIVER_H ++ ++/** ++ * struct usb_ehci_pdata - platform_data for generic ehci driver ++ * ++ * @caps_offset: offset of the EHCI Capability Registers to the start of ++ * the io memory region provided to the driver. ++ * @has_tt: set to 1 if TT is integrated in root hub. ++ * @port_power_on: set to 1 if the controller needs a power up after ++ * initialization. ++ * @port_power_off: set to 1 if the controller needs to be powered down ++ * after initialization. ++ * ++ * These are general configuration options for the EHCI controller. All of ++ * these options are activating more or less workarounds for some hardware. ++ */ ++struct usb_ehci_pdata { ++ int caps_offset; ++ unsigned has_tt:1; ++ unsigned has_synopsys_hc_bug:1; ++ unsigned big_endian_desc:1; ++ unsigned big_endian_mmio:1; ++ unsigned port_power_on:1; ++ unsigned port_power_off:1; ++}; ++ ++#endif /* __USB_CORE_EHCI_PDRIVER_H */ diff --git a/target/linux/generic/patches-3.3/083-USB-EHCI-platform-remove-update.patch b/target/linux/generic/patches-3.3/083-USB-EHCI-platform-remove-update.patch new file mode 100644 index 0000000000..e9a5b70054 --- /dev/null +++ b/target/linux/generic/patches-3.3/083-USB-EHCI-platform-remove-update.patch @@ -0,0 +1,11 @@ +--- a/drivers/usb/host/ehci-platform.c ++++ b/drivers/usb/host/ehci-platform.c +@@ -75,8 +75,6 @@ static const struct hc_driver ehci_platf + .relinquish_port = ehci_relinquish_port, + .port_handed_over = ehci_port_handed_over, + +- .update_device = ehci_update_device, +- + .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, + }; +