--- /dev/null
+ST SPEAr SoC USB controllers:
+-----------------------------
+
+EHCI:
+-----
+
+Required properties:
+- compatible: "st,spear600-ehci"
+- interrupt-parent: Should be the phandle for the interrupt controller
+ that services interrupts for this device
+- interrupts: Should contain the EHCI interrupt
+
+Example:
+
+ ehci@e1800000 {
+ compatible = "st,spear600-ehci", "usb-ehci";
+ reg = <0xe1800000 0x1000>;
+ interrupt-parent = <&vic1>;
+ interrupts = <27>;
+ };
+
+
+OHCI:
+-----
+
+Required properties:
+- compatible: "st,spear600-ohci"
+- interrupt-parent: Should be the phandle for the interrupt controller
+ that services interrupts for this device
+- interrupts: Should contain the OHCI interrupt
+
+Example:
+
+ ohci@e1900000 {
+ compatible = "st,spear600-ohci", "usb-ohci";
+ reg = <0xe1800000 0x1000>;
+ interrupt-parent = <&vic1>;
+ interrupts = <26>;
+ };
return -EILSEQ;
}
+ /* First Slave Address Descriptor should be port 0:
+ * the main register space for the core
+ */
+ tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SLAVE, 0);
+ if (tmp <= 0) {
+ /* Try again to see if it is a bridge */
+ tmp = bcma_erom_get_addr_desc(bus, eromptr,
+ SCAN_ADDR_TYPE_BRIDGE, 0);
+ if (tmp <= 0) {
+ return -EILSEQ;
+ } else {
+ pr_info("Bridge found\n");
+ return -ENXIO;
+ }
+ }
+ core->addr = tmp;
+
/* get & parse slave ports */
for (i = 0; i < ports[1]; i++) {
for (j = 0; ; j++) {
break;
} else {
if (i == 0 && j == 0)
- core->addr = tmp;
+ core->addr1 = tmp;
}
}
}
oled_class = class_create(THIS_MODULE, ASUS_OLED_UNDERSCORE_NAME);
if (IS_ERR(oled_class)) {
- err("Error creating " ASUS_OLED_UNDERSCORE_NAME " class");
+ printk(KERN_ERR "Error creating " ASUS_OLED_UNDERSCORE_NAME " class\n");
return PTR_ERR(oled_class);
}
retval = class_create_file(oled_class, &class_attr_version.attr);
if (retval) {
- err("Error creating class version file");
+ printk(KERN_ERR "Error creating class version file\n");
goto error;
}
retval = usb_register(&oled_driver);
if (retval) {
- err("usb_register failed. Error number %d", retval);
+ printk(KERN_ERR "usb_register failed. Error number %d\n", retval);
goto error;
}
rmw->or_value = F020_MASK_ADC0CF_AMP0GN2;
break;
default:
- err("Illegal gain %d\n", gain);
+ dev_err(&dev->interface->dev, "Illegal gain %d\n", gain);
}
}
iface_desc = interface->cur_altsetting;
if (iface_desc->desc.bNumEndpoints != 5) {
- err("Wrong number of endpints.");
+ dev_err(&interface->dev, "Wrong number of endpoints.\n");
retval = -ENODEV;
goto error;
}
}
if (dt9812_read_info(dev, 1, &dev->vendor, sizeof(dev->vendor)) != 0) {
- err("Failed to read vendor.");
+ dev_err(&interface->dev, "Failed to read vendor.\n");
retval = -ENODEV;
goto error;
}
if (dt9812_read_info(dev, 3, &dev->product, sizeof(dev->product)) != 0) {
- err("Failed to read product.");
+ dev_err(&interface->dev, "Failed to read product.\n");
retval = -ENODEV;
goto error;
}
if (dt9812_read_info(dev, 5, &dev->device, sizeof(dev->device)) != 0) {
- err("Failed to read device.");
+ dev_err(&interface->dev, "Failed to read device.\n");
retval = -ENODEV;
goto error;
}
if (dt9812_read_info(dev, 7, &dev->serial, sizeof(dev->serial)) != 0) {
- err("Failed to read serial.");
+ dev_err(&interface->dev, "Failed to read serial.\n");
retval = -ENODEV;
goto error;
}
result = comedi_driver_register(&dt9812_comedi_driver);
if (result) {
usb_deregister(&dt9812_usb_driver);
- err("comedi_driver_register failed. Error number %d", result);
+ printk(KERN_ERR KBUILD_MODNAME
+ ": comedi_driver_register failed. Error number %d\n",
+ result);
}
return result;
if (!usb_submit_urb(urb, GFP_KERNEL))
goto exit;
- err("comedi#: vmk80xx: %s - submit urb failed\n", __func__);
+ dev_err(&urb->dev->dev,
+ "comedi#: vmk80xx: %s - submit urb failed\n",
+ __func__);
usb_unanchor_urb(urb);
}
interface = usb_find_interface(&usb_alphatrack_driver, subminor);
if (!interface) {
- err("%s - error, can't find device for minor %d\n",
- __func__, subminor);
+ printk(KERN_ERR "%s - error, can't find device for minor %d\n",
+ __func__, subminor);
retval = -ENODEV;
goto unlock_disconnect_exit;
}
/* verify that the device wasn't unplugged */
if (dev->intf == NULL) {
retval = -ENODEV;
- err("No device or device unplugged %d\n", retval);
+ printk(KERN_ERR "%s: No device or device unplugged %d\n",
+ __func__, retval);
goto unlock_exit;
}
/* verify that the device wasn't unplugged */
if (dev->intf == NULL) {
retval = -ENODEV;
- err("No device or device unplugged %d\n", retval);
+ printk(KERN_ERR "%s: No device or device unplugged %d\n",
+ __func__, retval);
goto unlock_exit;
}
}
if (dev->interrupt_out_endpoint == NULL) {
- err("Endpoint should not be be null!\n");
+ dev_err(&dev->intf->dev, "Endpoint should not be be null!\n");
goto unlock_exit;
}
retval = usb_submit_urb(dev->interrupt_out_urb, GFP_KERNEL);
if (retval) {
dev->interrupt_out_busy = 0;
- err("Couldn't submit interrupt_out_urb %d\n", retval);
+ dev_err(&dev->intf->dev,
+ "Couldn't submit interrupt_out_urb %d\n", retval);
atomic_dec(&dev->writes_pending);
goto unlock_exit;
}
interface = usb_find_interface(&usb_tranzport_driver, subminor);
if (!interface) {
- err("%s - error, can't find device for minor %d\n",
+ printk(KERN_ERR "%s - error, can't find device for minor %d\n",
__func__, subminor);
retval = -ENODEV;
goto unlock_disconnect_exit;
goto exit;
}
- /* verify that the device wasn't unplugged */ if (dev->intf == NULL) {
+ /* verify that the device wasn't unplugged */
+ if (dev->intf == NULL) {
retval = -ENODEV;
- err("No device or device unplugged %d\n", retval);
+ printk(KERN_ERR "%s: No device or device unplugged %d\n",
+ __func__, retval);
goto unlock_exit;
}
/* verify that the device wasn't unplugged */
if (dev->intf == NULL) {
retval = -ENODEV;
- err("No device or device unplugged %d\n", retval);
+ printk(KERN_ERR "%s: No device or device unplugged %d\n",
+ __func__, retval);
goto unlock_exit;
}
}
if (dev->interrupt_out_endpoint == NULL) {
- err("Endpoint should not be be null!\n");
+ dev_err(&dev->intf->dev, "Endpoint should not be be null!\n");
goto unlock_exit;
}
retval = usb_submit_urb(dev->interrupt_out_urb, GFP_KERNEL);
if (retval) {
dev->interrupt_out_busy = 0;
- err("Couldn't submit interrupt_out_urb %d\n", retval);
+ dev_err(&dev->intf->dev,
+ "Couldn't submit interrupt_out_urb %d\n", retval);
goto unlock_exit;
}
retval = bytes_to_write;
retval = usb_register(&line6_driver);
if (retval) {
- err("usb_register failed. Error number %d", retval);
+ printk(KERN_ERR KBUILD_MODNAME
+ ": usb_register failed. Error number %d\n", retval);
return retval;
}
GFP_KERNEL);
if (line6_request_version == NULL) {
- err("Out of memory");
+ printk(KERN_ERR KBUILD_MODNAME ":Out of memory\n");
return -ENOMEM;
}
cmd1, cmd2, NULL, 0, LINE6_TIMEOUT * HZ);
if (ret < 0) {
- err("send failed (error %d)\n", ret);
+ dev_err(&usbdev->dev, "send failed (error %d)\n", ret);
return ret;
}
/* release the dsp firmware as it is not needed until
* the next failure
*/
- if (sc->dsp_firm) {
- release_firmware(sc->dsp_firm);
- sc->dsp_firm = NULL;
- }
+ release_firmware(sc->dsp_firm);
+ sc->dsp_firm = NULL;
}
/* always update it as atm layer could not be init when we switch to
/* release the dsp firmware as it is not needed until
* the next failure
*/
- if (sc->dsp_firm) {
- release_firmware(sc->dsp_firm);
- sc->dsp_firm = NULL;
- }
+ release_firmware(sc->dsp_firm);
+ sc->dsp_firm = NULL;
}
/* always update it as atm layer could not be init when we switch to
/* flush the work item, when no one can schedule it */
flush_work_sync(&sc->task);
- if (sc->dsp_firm)
- release_firmware(sc->dsp_firm);
+ release_firmware(sc->dsp_firm);
uea_leaves(INS_TO_USBDEV(sc));
}
break;
default:
- VDBG(cdev, "Unknown decriptor request 0x%x\n",
+ VDBG(cdev, "Unknown descriptor request 0x%x\n",
value >> 8);
goto stall;
break;
/*
- * Copyright (C) 2004-2007,2011 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007,2011-2012 Freescale Semiconductor, Inc.
* All rights reserved.
*
* Author: Li Yang <leoli@freescale.com>
static const char driver_desc[] = DRIVER_DESC;
static struct usb_dr_device *dr_regs;
-#ifndef CONFIG_ARCH_MXC
+
static struct usb_sys_interface *usb_sys_regs;
-#endif
/* it is initialized in probe() */
static struct fsl_udc *udc_controller = NULL;
{
unsigned int tmp, portctrl, ep_num;
unsigned int max_no_of_ep;
-#ifndef CONFIG_ARCH_MXC
unsigned int ctrl;
-#endif
unsigned long timeout;
+
#define FSL_UDC_RESET_TIMEOUT 1000
/* Config PHY interface */
portctrl &= ~(PORTSCX_PHY_TYPE_SEL | PORTSCX_PORT_WIDTH);
switch (udc->phy_mode) {
case FSL_USB2_PHY_ULPI:
+ if (udc->pdata->have_sysif_regs) {
+ if (udc->pdata->controller_ver) {
+ /* controller version 1.6 or above */
+ ctrl = __raw_readl(&usb_sys_regs->control);
+ ctrl &= ~USB_CTRL_UTMI_PHY_EN;
+ ctrl |= USB_CTRL_USB_EN;
+ __raw_writel(ctrl, &usb_sys_regs->control);
+ }
+ }
portctrl |= PORTSCX_PTS_ULPI;
break;
case FSL_USB2_PHY_UTMI_WIDE:
portctrl |= PORTSCX_PTW_16BIT;
/* fall through */
case FSL_USB2_PHY_UTMI:
+ if (udc->pdata->have_sysif_regs) {
+ if (udc->pdata->controller_ver) {
+ /* controller version 1.6 or above */
+ ctrl = __raw_readl(&usb_sys_regs->control);
+ ctrl |= (USB_CTRL_UTMI_PHY_EN |
+ USB_CTRL_USB_EN);
+ __raw_writel(ctrl, &usb_sys_regs->control);
+ mdelay(FSL_UTMI_PHY_DLY); /* Delay for UTMI
+ PHY CLK to become stable - 10ms*/
+ }
+ }
portctrl |= PORTSCX_PTS_UTMI;
break;
case FSL_USB2_PHY_SERIAL:
/*
+ * Copyright (C) 2004,2012 Freescale Semiconductor, Inc
+ * All rights reserved.
+ *
+ * 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.
+ *
* Freescale USB device/endpoint management registers
*/
#ifndef __FSL_USB2_UDC_H
/* control Register Bit Masks */
#define USB_CTRL_IOENB 0x00000004
#define USB_CTRL_ULPI_INT0EN 0x00000001
+#define USB_CTRL_UTMI_PHY_EN 0x00000200
+#define USB_CTRL_USB_EN 0x00000004
+#define USB_CTRL_ULPI_PHY_CLK_SEL 0x00000400
/* Endpoint Queue Head data struct
* Rem: all the variables of qh are LittleEndian Mode
depends on USB_EHCI_HCD && (PPC_CELLEB || PPC_PS3 || 440EPX || \
ARCH_IXP4XX || XPS_USB_HCD_XILINX || \
PPC_MPC512x || CPU_CAVIUM_OCTEON || \
- PMC_MSP || SPARC_LEON)
+ PMC_MSP || SPARC_LEON || MIPS_SEAD3)
default y
config USB_EHCI_BIG_ENDIAN_DESC
bool
depends on USB_EHCI_HCD && (440EPX || ARCH_IXP4XX || XPS_USB_HCD_XILINX || \
- PPC_MPC512x || PMC_MSP || SPARC_LEON)
+ PPC_MPC512x || PMC_MSP || SPARC_LEON || \
+ MIPS_SEAD3)
default y
config XPS_USB_HCD_XILINX
If unsure, say Y.
config USB_OHCI_HCD_SSB
- bool "OHCI support for Broadcom SSB OHCI core"
+ bool "OHCI support for Broadcom SSB OHCI core (DEPRECATED)"
depends on USB_OHCI_HCD && (SSB = y || SSB = USB_OHCI_HCD) && EXPERIMENTAL
+ select USB_HCD_SSB
+ select USB_OHCI_HCD_PLATFORM
default n
---help---
+ This option is deprecated now and the driver was removed, use
+ USB_HCD_SSB and USB_OHCI_HCD_PLATFORM instead.
+
Support for the Sonics Silicon Backplane (SSB) attached
Broadcom USB OHCI core.
config USB_OCTEON2_COMMON
bool
default y if USB_OCTEON_EHCI || USB_OCTEON_OHCI
+
+config USB_HCD_BCMA
+ tristate "BCMA usb host driver"
+ depends on BCMA && EXPERIMENTAL
+ select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD
+ select USB_EHCI_HCD_PLATFORM if USB_EHCI_HCD
+ help
+ Enbale support for the EHCI and OCHI host controller on an bcma bus.
+ It converts the bcma driver into two platform device drivers
+ for ehci and ohci.
+
+ If unsure, say N.
+
+config USB_HCD_SSB
+ tristate "SSB usb host driver"
+ depends on SSB && EXPERIMENTAL
+ select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD
+ select USB_EHCI_HCD_PLATFORM if USB_EHCI_HCD
+ help
+ Enbale support for the EHCI and OCHI host controller on an bcma bus.
+ It converts the bcma driver into two platform device drivers
+ for ehci and ohci.
+
+ If unsure, say N.
obj-$(CONFIG_USB_FSL_MPH_DR_OF) += fsl-mph-dr-of.o
obj-$(CONFIG_USB_OCTEON2_COMMON) += octeon2-common.o
obj-$(CONFIG_MIPS_ALCHEMY) += alchemy-common.o
+obj-$(CONFIG_USB_HCD_BCMA) += bcma-hcd.o
+obj-$(CONFIG_USB_HCD_SSB) += ssb-hcd.o
--- /dev/null
+/*
+ * Broadcom specific Advanced Microcontroller Bus
+ * Broadcom USB-core driver (BCMA bus glue)
+ *
+ * Copyright 2011-2012 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Based on ssb-ohci driver
+ * Copyright 2007 Michael Buesch <m@bues.ch>
+ *
+ * Derived from the OHCI-PCI driver
+ * Copyright 1999 Roman Weissgaerber
+ * Copyright 2000-2002 David Brownell
+ * Copyright 1999 Linus Torvalds
+ * Copyright 1999 Gregory P. Smith
+ *
+ * Derived from the USBcore related parts of Broadcom-SB
+ * Copyright 2005-2011 Broadcom Corporation
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+#include <linux/bcma/bcma.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/usb/ehci_pdriver.h>
+#include <linux/usb/ohci_pdriver.h>
+
+MODULE_AUTHOR("Hauke Mehrtens");
+MODULE_DESCRIPTION("Common USB driver for BCMA Bus");
+MODULE_LICENSE("GPL");
+
+struct bcma_hcd_device {
+ struct platform_device *ehci_dev;
+ struct platform_device *ohci_dev;
+};
+
+/* Wait for bitmask in a register to get set or cleared.
+ * timeout is in units of ten-microseconds.
+ */
+static int bcma_wait_bits(struct bcma_device *dev, u16 reg, u32 bitmask,
+ int timeout)
+{
+ int i;
+ u32 val;
+
+ for (i = 0; i < timeout; i++) {
+ val = bcma_read32(dev, reg);
+ if ((val & bitmask) == bitmask)
+ return 0;
+ udelay(10);
+ }
+
+ return -ETIMEDOUT;
+}
+
+static void __devinit bcma_hcd_4716wa(struct bcma_device *dev)
+{
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+ /* Work around for 4716 failures. */
+ if (dev->bus->chipinfo.id == 0x4716) {
+ u32 tmp;
+
+ tmp = bcma_cpu_clock(&dev->bus->drv_mips);
+ if (tmp >= 480000000)
+ tmp = 0x1846b; /* set CDR to 0x11(fast) */
+ else if (tmp == 453000000)
+ tmp = 0x1046b; /* set CDR to 0x10(slow) */
+ else
+ tmp = 0;
+
+ /* Change Shim mdio control reg to fix host not acking at
+ * high frequencies
+ */
+ if (tmp) {
+ bcma_write32(dev, 0x524, 0x1); /* write sel to enable */
+ udelay(500);
+
+ bcma_write32(dev, 0x524, tmp);
+ udelay(500);
+ bcma_write32(dev, 0x524, 0x4ab);
+ udelay(500);
+ bcma_read32(dev, 0x528);
+ bcma_write32(dev, 0x528, 0x80000000);
+ }
+ }
+#endif /* CONFIG_BCMA_DRIVER_MIPS */
+}
+
+/* based on arch/mips/brcm-boards/bcm947xx/pcibios.c */
+static void __devinit bcma_hcd_init_chip(struct bcma_device *dev)
+{
+ u32 tmp;
+
+ /*
+ * USB 2.0 special considerations:
+ *
+ * 1. Since the core supports both OHCI and EHCI functions, it must
+ * only be reset once.
+ *
+ * 2. In addition to the standard SI reset sequence, the Host Control
+ * Register must be programmed to bring the USB core and various
+ * phy components out of reset.
+ */
+ if (!bcma_core_is_enabled(dev)) {
+ bcma_core_enable(dev, 0);
+ mdelay(10);
+ if (dev->id.rev >= 5) {
+ /* Enable Misc PLL */
+ tmp = bcma_read32(dev, 0x1e0);
+ tmp |= 0x100;
+ bcma_write32(dev, 0x1e0, tmp);
+ if (bcma_wait_bits(dev, 0x1e0, 1 << 24, 100))
+ printk(KERN_EMERG "Failed to enable misc PPL!\n");
+
+ /* Take out of resets */
+ bcma_write32(dev, 0x200, 0x4ff);
+ udelay(25);
+ bcma_write32(dev, 0x200, 0x6ff);
+ udelay(25);
+
+ /* Make sure digital and AFE are locked in USB PHY */
+ bcma_write32(dev, 0x524, 0x6b);
+ udelay(50);
+ tmp = bcma_read32(dev, 0x524);
+ udelay(50);
+ bcma_write32(dev, 0x524, 0xab);
+ udelay(50);
+ tmp = bcma_read32(dev, 0x524);
+ udelay(50);
+ bcma_write32(dev, 0x524, 0x2b);
+ udelay(50);
+ tmp = bcma_read32(dev, 0x524);
+ udelay(50);
+ bcma_write32(dev, 0x524, 0x10ab);
+ udelay(50);
+ tmp = bcma_read32(dev, 0x524);
+
+ if (bcma_wait_bits(dev, 0x528, 0xc000, 10000)) {
+ tmp = bcma_read32(dev, 0x528);
+ printk(KERN_EMERG
+ "USB20H mdio_rddata 0x%08x\n", tmp);
+ }
+ bcma_write32(dev, 0x528, 0x80000000);
+ tmp = bcma_read32(dev, 0x314);
+ udelay(265);
+ bcma_write32(dev, 0x200, 0x7ff);
+ udelay(10);
+
+ /* Take USB and HSIC out of non-driving modes */
+ bcma_write32(dev, 0x510, 0);
+ } else {
+ bcma_write32(dev, 0x200, 0x7ff);
+
+ udelay(1);
+ }
+
+ bcma_hcd_4716wa(dev);
+ }
+}
+
+static const struct usb_ehci_pdata ehci_pdata = {
+};
+
+static const struct usb_ohci_pdata ohci_pdata = {
+};
+
+static struct platform_device * __devinit
+bcma_hcd_create_pdev(struct bcma_device *dev, bool ohci, u32 addr)
+{
+ struct platform_device *hci_dev;
+ struct resource hci_res[2];
+ int ret = -ENOMEM;
+
+ memset(hci_res, 0, sizeof(hci_res));
+
+ hci_res[0].start = addr;
+ hci_res[0].end = hci_res[0].start + 0x1000 - 1;
+ hci_res[0].flags = IORESOURCE_MEM;
+
+ hci_res[1].start = dev->irq;
+ hci_res[1].flags = IORESOURCE_IRQ;
+
+ hci_dev = platform_device_alloc(ohci ? "ohci-platform" :
+ "ehci-platform" , 0);
+ if (!hci_dev)
+ return NULL;
+
+ hci_dev->dev.parent = &dev->dev;
+ hci_dev->dev.dma_mask = &hci_dev->dev.coherent_dma_mask;
+
+ ret = platform_device_add_resources(hci_dev, hci_res,
+ ARRAY_SIZE(hci_res));
+ if (ret)
+ goto err_alloc;
+ if (ohci)
+ ret = platform_device_add_data(hci_dev, &ohci_pdata,
+ sizeof(ohci_pdata));
+ else
+ ret = platform_device_add_data(hci_dev, &ehci_pdata,
+ sizeof(ehci_pdata));
+ if (ret)
+ goto err_alloc;
+ ret = platform_device_add(hci_dev);
+ if (ret)
+ goto err_alloc;
+
+ return hci_dev;
+
+err_alloc:
+ platform_device_put(hci_dev);
+ return ERR_PTR(ret);
+}
+
+static int __devinit bcma_hcd_probe(struct bcma_device *dev)
+{
+ int err;
+ u16 chipid_top;
+ u32 ohci_addr;
+ struct bcma_hcd_device *usb_dev;
+ struct bcma_chipinfo *chipinfo;
+
+ chipinfo = &dev->bus->chipinfo;
+ /* USBcores are only connected on embedded devices. */
+ chipid_top = (chipinfo->id & 0xFF00);
+ if (chipid_top != 0x4700 && chipid_top != 0x5300)
+ return -ENODEV;
+
+ /* TODO: Probably need checks here; is the core connected? */
+
+ if (dma_set_mask(dev->dma_dev, DMA_BIT_MASK(32)) ||
+ dma_set_coherent_mask(dev->dma_dev, DMA_BIT_MASK(32)))
+ return -EOPNOTSUPP;
+
+ usb_dev = kzalloc(sizeof(struct bcma_hcd_device), GFP_KERNEL);
+ if (!usb_dev)
+ return -ENOMEM;
+
+ bcma_hcd_init_chip(dev);
+
+ /* In AI chips EHCI is addrspace 0, OHCI is 1 */
+ ohci_addr = dev->addr1;
+ if ((chipinfo->id == 0x5357 || chipinfo->id == 0x4749)
+ && chipinfo->rev == 0)
+ ohci_addr = 0x18009000;
+
+ usb_dev->ohci_dev = bcma_hcd_create_pdev(dev, true, ohci_addr);
+ if (IS_ERR(usb_dev->ohci_dev)) {
+ err = PTR_ERR(usb_dev->ohci_dev);
+ goto err_free_usb_dev;
+ }
+
+ usb_dev->ehci_dev = bcma_hcd_create_pdev(dev, false, dev->addr);
+ if (IS_ERR(usb_dev->ehci_dev)) {
+ err = PTR_ERR(usb_dev->ehci_dev);
+ goto err_unregister_ohci_dev;
+ }
+
+ bcma_set_drvdata(dev, usb_dev);
+ return 0;
+
+err_unregister_ohci_dev:
+ platform_device_unregister(usb_dev->ohci_dev);
+err_free_usb_dev:
+ kfree(usb_dev);
+ return err;
+}
+
+static void __devexit bcma_hcd_remove(struct bcma_device *dev)
+{
+ struct bcma_hcd_device *usb_dev = bcma_get_drvdata(dev);
+ struct platform_device *ohci_dev = usb_dev->ohci_dev;
+ struct platform_device *ehci_dev = usb_dev->ehci_dev;
+
+ if (ohci_dev)
+ platform_device_unregister(ohci_dev);
+ if (ehci_dev)
+ platform_device_unregister(ehci_dev);
+
+ bcma_core_disable(dev, 0);
+}
+
+static void bcma_hcd_shutdown(struct bcma_device *dev)
+{
+ bcma_core_disable(dev, 0);
+}
+
+#ifdef CONFIG_PM
+
+static int bcma_hcd_suspend(struct bcma_device *dev)
+{
+ bcma_core_disable(dev, 0);
+
+ return 0;
+}
+
+static int bcma_hcd_resume(struct bcma_device *dev)
+{
+ bcma_core_enable(dev, 0);
+
+ return 0;
+}
+
+#else /* !CONFIG_PM */
+#define bcma_hcd_suspend NULL
+#define bcma_hcd_resume NULL
+#endif /* CONFIG_PM */
+
+static const struct bcma_device_id bcma_hcd_table[] __devinitconst = {
+ BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_USB20_HOST, BCMA_ANY_REV, BCMA_ANY_CLASS),
+ BCMA_CORETABLE_END
+};
+MODULE_DEVICE_TABLE(bcma, bcma_hcd_table);
+
+static struct bcma_driver bcma_hcd_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = bcma_hcd_table,
+ .probe = bcma_hcd_probe,
+ .remove = __devexit_p(bcma_hcd_remove),
+ .shutdown = bcma_hcd_shutdown,
+ .suspend = bcma_hcd_suspend,
+ .resume = bcma_hcd_resume,
+};
+
+static int __init bcma_hcd_init(void)
+{
+ return bcma_driver_register(&bcma_hcd_driver);
+}
+module_init(bcma_hcd_init);
+
+static void __exit bcma_hcd_exit(void)
+{
+ bcma_driver_unregister(&bcma_hcd_driver);
+}
+module_exit(bcma_hcd_exit);
/*
* Copyright 2005-2009 MontaVista Software, Inc.
- * Copyright 2008 Freescale Semiconductor, Inc.
+ * Copyright 2008,2012 Freescale Semiconductor, Inc.
*
* 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
usb_put_hcd(hcd);
}
-static void ehci_fsl_setup_phy(struct ehci_hcd *ehci,
+static void ehci_fsl_setup_phy(struct usb_hcd *hcd,
enum fsl_usb2_phy_modes phy_mode,
unsigned int port_offset)
{
- u32 portsc;
- struct usb_hcd *hcd = ehci_to_hcd(ehci);
+ u32 portsc, temp;
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
void __iomem *non_ehci = hcd->regs;
- struct fsl_usb2_platform_data *pdata;
+ struct device *dev = hcd->self.controller;
+ struct fsl_usb2_platform_data *pdata = dev->platform_data;
- pdata = hcd->self.controller->platform_data;
+ if (pdata->controller_ver < 0) {
+ dev_warn(hcd->self.controller, "Could not get controller version\n");
+ return;
+ }
portsc = ehci_readl(ehci, &ehci->regs->port_status[port_offset]);
portsc &= ~(PORT_PTS_MSK | PORT_PTS_PTW);
switch (phy_mode) {
case FSL_USB2_PHY_ULPI:
+ if (pdata->controller_ver) {
+ /* controller version 1.6 or above */
+ temp = in_be32(non_ehci + FSL_SOC_USB_CTRL);
+ out_be32(non_ehci + FSL_SOC_USB_CTRL, temp |
+ USB_CTRL_USB_EN | ULPI_PHY_CLK_SEL);
+ }
portsc |= PORT_PTS_ULPI;
break;
case FSL_USB2_PHY_SERIAL:
portsc |= PORT_PTS_PTW;
/* fall through */
case FSL_USB2_PHY_UTMI:
+ if (pdata->controller_ver) {
+ /* controller version 1.6 or above */
+ temp = in_be32(non_ehci + FSL_SOC_USB_CTRL);
+ out_be32(non_ehci + FSL_SOC_USB_CTRL, temp |
+ UTMI_PHY_EN | USB_CTRL_USB_EN);
+ mdelay(FSL_UTMI_PHY_DLY); /* Delay for UTMI PHY CLK to
+ become stable - 10ms*/
+ }
/* enable UTMI PHY */
if (pdata->have_sysif_regs)
setbits32(non_ehci + FSL_SOC_USB_CTRL,
if ((pdata->operating_mode == FSL_USB2_DR_HOST) ||
(pdata->operating_mode == FSL_USB2_DR_OTG))
- ehci_fsl_setup_phy(ehci, pdata->phy_mode, 0);
+ ehci_fsl_setup_phy(hcd, pdata->phy_mode, 0);
if (pdata->operating_mode == FSL_USB2_MPH_HOST) {
unsigned int chip, rev, svr;
ehci->has_fsl_port_bug = 1;
if (pdata->port_enables & FSL_USB2_PORT0_ENABLED)
- ehci_fsl_setup_phy(ehci, pdata->phy_mode, 0);
+ ehci_fsl_setup_phy(hcd, pdata->phy_mode, 0);
if (pdata->port_enables & FSL_USB2_PORT1_ENABLED)
- ehci_fsl_setup_phy(ehci, pdata->phy_mode, 1);
+ ehci_fsl_setup_phy(hcd, pdata->phy_mode, 1);
}
if (pdata->have_sysif_regs) {
-/* Copyright (C) 2005-2010 Freescale Semiconductor, Inc.
+/* Copyright (C) 2005-2010,2012 Freescale Semiconductor, Inc.
* Copyright (c) 2005 MontaVista Software
*
* This program is free software; you can redistribute it and/or modify it
#define CTRL_UTMI_PHY_EN (1<<9)
#define CTRL_PHY_CLK_VALID (1 << 17)
#define SNOOP_SIZE_2GB 0x1e
+
+/* control Register Bit Masks */
+#define ULPI_INT_EN (1<<0)
+#define WU_INT_EN (1<<1)
+#define USB_CTRL_USB_EN (1<<2)
+#define LINE_STATE_FILTER__EN (1<<3)
+#define KEEP_OTG_ON (1<<4)
+#define OTG_PORT (1<<5)
+#define PLL_RESET (1<<8)
+#define UTMI_PHY_EN (1<<9)
+#define ULPI_PHY_CLK_SEL (1<<10)
#endif /* _EHCI_FSL_H */
* CMD_IAAD when it sets STS_IAA.)
*/
cmd = ehci_readl(ehci, &ehci->regs->command);
- if (cmd & CMD_IAAD)
- ehci_writel(ehci, cmd & ~CMD_IAAD,
- &ehci->regs->command);
/* If IAA is set here it either legitimately triggered
* before we cleared IAAD above (but _way_ late, so we'll
/* complete the unlinking of some qh [4.15.2.3] */
if (status & STS_IAA) {
/* guard against (alleged) silicon errata */
- if (cmd & CMD_IAAD) {
- ehci_writel(ehci, cmd & ~CMD_IAAD,
- &ehci->regs->command);
+ if (cmd & CMD_IAAD)
ehci_dbg(ehci, "IAA with IAAD still set?\n");
- }
if (ehci->reclaim) {
COUNT(ehci->stats.reclaim);
end_unlink_async(ehci);
#define PLATFORM_DRIVER ehci_ls1x_driver
#endif
+#ifdef CONFIG_MIPS_SEAD3
+#include "ehci-sead3.c"
+#define PLATFORM_DRIVER ehci_hcd_sead3_driver
+#endif
+
#ifdef CONFIG_USB_EHCI_HCD_PLATFORM
#include "ehci-platform.c"
#define PLATFORM_DRIVER ehci_platform_driver
if (ehci->has_amcc_usb23)
set_ohci_hcfs(ehci, 1);
} else {
- ehci_dbg (ehci, "port %d high speed\n", index + 1);
+ ehci_dbg(ehci, "port %d reset complete, port enabled\n",
+ index + 1);
/* ensure 440EPx ohci controller state is suspended */
if (ehci->has_amcc_usb23)
set_ohci_hcfs(ehci, 0);
goto error;
wIndex--;
temp = ehci_readl(ehci, status_reg);
+ temp &= ~PORT_RWC_BITS;
/*
* Even if OWNER is set, so the port is owned by the
ehci_writel(ehci, temp & ~PORT_PE, status_reg);
break;
case USB_PORT_FEAT_C_ENABLE:
- ehci_writel(ehci, (temp & ~PORT_RWC_BITS) | PORT_PEC,
- status_reg);
+ ehci_writel(ehci, temp | PORT_PEC, status_reg);
break;
case USB_PORT_FEAT_SUSPEND:
if (temp & PORT_RESET)
spin_lock_irqsave(&ehci->lock, flags);
}
/* resume signaling for 20 msec */
- temp &= ~(PORT_RWC_BITS | PORT_WAKE_BITS);
+ temp &= ~PORT_WAKE_BITS;
ehci_writel(ehci, temp | PORT_RESUME, status_reg);
ehci->reset_done[wIndex] = jiffies
+ msecs_to_jiffies(20);
break;
case USB_PORT_FEAT_POWER:
if (HCS_PPC (ehci->hcs_params))
- ehci_writel(ehci,
- temp & ~(PORT_RWC_BITS | PORT_POWER),
- status_reg);
+ ehci_writel(ehci, temp & ~PORT_POWER,
+ status_reg);
break;
case USB_PORT_FEAT_C_CONNECTION:
if (ehci->has_lpm) {
temp &= ~PORT_LPM;
temp &= ~PORT_DEV_ADDR;
}
- ehci_writel(ehci, (temp & ~PORT_RWC_BITS) | PORT_CSC,
- status_reg);
+ ehci_writel(ehci, temp | PORT_CSC, status_reg);
break;
case USB_PORT_FEAT_C_OVER_CURRENT:
- ehci_writel(ehci, (temp & ~PORT_RWC_BITS) | PORT_OCC,
- status_reg);
+ ehci_writel(ehci, temp | PORT_OCC, status_reg);
break;
case USB_PORT_FEAT_C_RESET:
/* GetPortStatus clears reset */
irq = platform_get_irq(dev, 0);
if (irq < 0) {
- pr_err("no irq provieded");
+ pr_err("no irq provided");
return irq;
}
res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (!res_mem) {
- pr_err("no memory recourse provieded");
+ pr_err("no memory recourse provided");
return -ENXIO;
}
if (pdata && pdata->phy_exit)
pdata->phy_exit(pdev, S5P_USB_PHY_HOST);
+ clk_disable(s5p_ehci->clk);
+
return rc;
}
struct platform_device *pdev = to_platform_device(dev);
struct s5p_ehci_platdata *pdata = pdev->dev.platform_data;
+ clk_enable(s5p_ehci->clk);
+
if (pdata && pdata->phy_init)
pdata->phy_init(pdev, S5P_USB_PHY_HOST);
--- /dev/null
+/*
+ * MIPS CI13320A EHCI Host Controller driver
+ * Based on "ehci-au1xxx.c" by K.Boge <karsten.boge@amd.com>
+ *
+ * Copyright (C) 2012 MIPS Technologies, Inc.
+ *
+ * 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.
+ */
+
+#include <linux/platform_device.h>
+
+static int ehci_sead3_setup(struct usb_hcd *hcd)
+{
+ int ret;
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+
+ ehci->caps = hcd->regs + 0x100;
+
+ ret = ehci_setup(hcd);
+ if (ret)
+ return ret;
+
+ ehci->need_io_watchdog = 0;
+
+#ifdef __BIG_ENDIAN
+ ehci->big_endian_mmio = 1;
+ ehci->big_endian_desc = 1;
+#endif
+
+ /* Set burst length to 16 words. */
+ ehci_writel(ehci, 0x1010, &ehci->regs->reserved[1]);
+
+ return ret;
+}
+
+const struct hc_driver ehci_sead3_hc_driver = {
+ .description = hcd_name,
+ .product_desc = "SEAD-3 EHCI",
+ .hcd_priv_size = sizeof(struct ehci_hcd),
+
+ /*
+ * generic hardware linkage
+ */
+ .irq = ehci_irq,
+ .flags = HCD_MEMORY | HCD_USB2,
+
+ /*
+ * basic lifecycle operations
+ *
+ */
+ .reset = ehci_sead3_setup,
+ .start = ehci_run,
+ .stop = ehci_stop,
+ .shutdown = ehci_shutdown,
+
+ /*
+ * managing i/o requests and associated device resources
+ */
+ .urb_enqueue = ehci_urb_enqueue,
+ .urb_dequeue = ehci_urb_dequeue,
+ .endpoint_disable = ehci_endpoint_disable,
+ .endpoint_reset = ehci_endpoint_reset,
+
+ /*
+ * scheduling support
+ */
+ .get_frame_number = ehci_get_frame,
+
+ /*
+ * root hub support
+ */
+ .hub_status_data = ehci_hub_status_data,
+ .hub_control = ehci_hub_control,
+ .bus_suspend = ehci_bus_suspend,
+ .bus_resume = ehci_bus_resume,
+ .relinquish_port = ehci_relinquish_port,
+ .port_handed_over = ehci_port_handed_over,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
+};
+
+static int ehci_hcd_sead3_drv_probe(struct platform_device *pdev)
+{
+ struct usb_hcd *hcd;
+ struct resource *res;
+ int ret;
+
+ if (usb_disabled())
+ return -ENODEV;
+
+ if (pdev->resource[1].flags != IORESOURCE_IRQ) {
+ pr_debug("resource[1] is not IORESOURCE_IRQ");
+ return -ENOMEM;
+ }
+ hcd = usb_create_hcd(&ehci_sead3_hc_driver, &pdev->dev, "SEAD-3");
+ if (!hcd)
+ return -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = resource_size(res);
+
+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
+ pr_debug("request_mem_region failed");
+ ret = -EBUSY;
+ goto err1;
+ }
+
+ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+ if (!hcd->regs) {
+ pr_debug("ioremap failed");
+ ret = -ENOMEM;
+ goto err2;
+ }
+
+ /* Root hub has integrated TT. */
+ hcd->has_tt = 1;
+
+ ret = usb_add_hcd(hcd, pdev->resource[1].start,
+ IRQF_SHARED);
+ if (ret == 0) {
+ platform_set_drvdata(pdev, hcd);
+ return ret;
+ }
+
+ iounmap(hcd->regs);
+err2:
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err1:
+ usb_put_hcd(hcd);
+ return ret;
+}
+
+static int ehci_hcd_sead3_drv_remove(struct platform_device *pdev)
+{
+ struct usb_hcd *hcd = platform_get_drvdata(pdev);
+
+ usb_remove_hcd(hcd);
+ iounmap(hcd->regs);
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+ usb_put_hcd(hcd);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int ehci_hcd_sead3_drv_suspend(struct device *dev)
+{
+ struct usb_hcd *hcd = dev_get_drvdata(dev);
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+ unsigned long flags;
+ int rc = 0;
+
+ if (time_before(jiffies, ehci->next_statechange))
+ msleep(20);
+
+ /* Root hub was already suspended. Disable irq emission and
+ * mark HW unaccessible. The PM and USB cores make sure that
+ * the root hub is either suspended or stopped.
+ */
+ ehci_prepare_ports_for_controller_suspend(ehci, device_may_wakeup(dev));
+ spin_lock_irqsave(&ehci->lock, flags);
+ ehci_writel(ehci, 0, &ehci->regs->intr_enable);
+ (void)ehci_readl(ehci, &ehci->regs->intr_enable);
+
+ clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+ spin_unlock_irqrestore(&ehci->lock, flags);
+
+ /* could save FLADJ in case of Vaux power loss
+ * ... we'd only use it to handle clock skew
+ */
+
+ return rc;
+}
+
+static int ehci_hcd_sead3_drv_resume(struct device *dev)
+{
+ struct usb_hcd *hcd = dev_get_drvdata(dev);
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+
+ /* maybe restore FLADJ. */
+
+ if (time_before(jiffies, ehci->next_statechange))
+ msleep(100);
+
+ /* Mark hardware accessible again as we are out of D3 state by now */
+ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+
+ /* If CF is still set, we maintained PCI Vaux power.
+ * Just undo the effect of ehci_pci_suspend().
+ */
+ if (ehci_readl(ehci, &ehci->regs->configured_flag) == FLAG_CF) {
+ int mask = INTR_MASK;
+
+ ehci_prepare_ports_for_controller_resume(ehci);
+ if (!hcd->self.root_hub->do_remote_wakeup)
+ mask &= ~STS_PCD;
+ ehci_writel(ehci, mask, &ehci->regs->intr_enable);
+ ehci_readl(ehci, &ehci->regs->intr_enable);
+ return 0;
+ }
+
+ ehci_dbg(ehci, "lost power, restarting\n");
+ usb_root_hub_lost_power(hcd->self.root_hub);
+
+ /* Else reset, to cope with power loss or flush-to-storage
+ * style "resume" having let BIOS kick in during reboot.
+ */
+ (void) ehci_halt(ehci);
+ (void) ehci_reset(ehci);
+
+ /* emptying the schedule aborts any urbs */
+ spin_lock_irq(&ehci->lock);
+ if (ehci->reclaim)
+ end_unlink_async(ehci);
+ ehci_work(ehci);
+ spin_unlock_irq(&ehci->lock);
+
+ ehci_writel(ehci, ehci->command, &ehci->regs->command);
+ ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
+ ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
+
+ /* here we "know" root ports should always stay powered */
+ ehci_port_power(ehci, 1);
+
+ ehci->rh_state = EHCI_RH_SUSPENDED;
+
+ return 0;
+}
+
+static const struct dev_pm_ops sead3_ehci_pmops = {
+ .suspend = ehci_hcd_sead3_drv_suspend,
+ .resume = ehci_hcd_sead3_drv_resume,
+};
+
+#define SEAD3_EHCI_PMOPS (&sead3_ehci_pmops)
+
+#else
+#define SEAD3_EHCI_PMOPS NULL
+#endif
+
+static struct platform_driver ehci_hcd_sead3_driver = {
+ .probe = ehci_hcd_sead3_drv_probe,
+ .remove = ehci_hcd_sead3_drv_remove,
+ .shutdown = usb_hcd_platform_shutdown,
+ .driver = {
+ .name = "sead3-ehci",
+ .owner = THIS_MODULE,
+ .pm = SEAD3_EHCI_PMOPS,
+ }
+};
+
+MODULE_ALIAS("platform:sead3-ehci");
*/
#include <linux/platform_device.h>
#include <linux/clk.h>
+#include <linux/platform_data/ehci-sh.h>
struct ehci_sh_priv {
struct clk *iclk, *fclk;
const struct hc_driver *driver = &ehci_sh_hc_driver;
struct resource *res;
struct ehci_sh_priv *priv;
+ struct ehci_sh_platdata *pdata;
struct usb_hcd *hcd;
int irq, ret;
goto fail_create_hcd;
}
+ if (pdev->dev.platform_data != NULL)
+ pdata = pdev->dev.platform_data;
+
/* initialize hcd */
hcd = usb_create_hcd(&ehci_sh_hc_driver, &pdev->dev,
dev_name(&pdev->dev));
clk_enable(priv->fclk);
clk_enable(priv->iclk);
+ if (pdata && pdata->phy_init)
+ pdata->phy_init();
+
ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to add hcd");
#include <linux/clk.h>
#include <linux/jiffies.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
static void spear_start_ehci(struct spear_ehci *ehci)
{
- clk_enable(ehci->clk);
+ clk_prepare_enable(ehci->clk);
}
static void spear_stop_ehci(struct spear_ehci *ehci)
{
- clk_disable(ehci->clk);
+ clk_disable_unprepare(ehci->clk);
}
static int ehci_spear_setup(struct usb_hcd *hcd)
static SIMPLE_DEV_PM_OPS(ehci_spear_pm_ops, ehci_spear_drv_suspend,
ehci_spear_drv_resume);
+static u64 spear_ehci_dma_mask = DMA_BIT_MASK(32);
+
static int spear_ehci_hcd_drv_probe(struct platform_device *pdev)
{
struct usb_hcd *hcd ;
struct resource *res;
struct clk *usbh_clk;
const struct hc_driver *driver = &ehci_spear_hc_driver;
- int *pdata = pdev->dev.platform_data;
int irq, retval;
char clk_name[20] = "usbh_clk";
-
- if (pdata == NULL)
- return -EFAULT;
+ static int instance = -1;
if (usb_disabled())
return -ENODEV;
goto fail_irq_get;
}
- if (*pdata >= 0)
- sprintf(clk_name, "usbh.%01d_clk", *pdata);
+ /*
+ * Right now device-tree probed devices don't get dma_mask set.
+ * Since shared usb code relies on it, set it here for now.
+ * Once we have dma capability bindings this can go away.
+ */
+ if (!pdev->dev.dma_mask)
+ pdev->dev.dma_mask = &spear_ehci_dma_mask;
+
+ /*
+ * Increment the device instance, when probing via device-tree
+ */
+ if (pdev->id < 0)
+ instance++;
+ else
+ instance = pdev->id;
+ sprintf(clk_name, "usbh.%01d_clk", instance);
usbh_clk = clk_get(NULL, clk_name);
if (IS_ERR(usbh_clk)) {
return 0;
}
+static struct of_device_id spear_ehci_id_table[] __devinitdata = {
+ { .compatible = "st,spear600-ehci", },
+ { },
+};
+
static struct platform_driver spear_ehci_hcd_driver = {
.probe = spear_ehci_hcd_drv_probe,
.remove = spear_ehci_hcd_drv_remove,
.name = "spear-ehci",
.bus = &platform_bus_type,
.pm = &ehci_spear_pm_ops,
+ .of_match_table = of_match_ptr(spear_ehci_id_table),
}
};
spin_lock_irqsave(&ehci->lock, flags);
- /*
- * In ehci_hub_control() for USB_PORT_FEAT_ENABLE clears the other bits
- * that are write on clear, by writing back the register read value, so
- * USB_PORT_FEAT_ENABLE is handled by masking the set on clear bits
- */
- if (typeReq == ClearPortFeature && wValue == USB_PORT_FEAT_ENABLE) {
- temp = ehci_readl(ehci, status_reg) & ~PORT_RWC_BITS;
- ehci_writel(ehci, temp & ~PORT_PE, status_reg);
- goto done;
- }
-
- else if (typeReq == GetPortStatus) {
+ if (typeReq == GetPortStatus) {
temp = ehci_readl(ehci, status_reg);
if (tegra->port_resuming && !(temp & PORT_SUSPEND)) {
/* Resume completed, re-enable disconnect detection */
}
#endif
-struct temp_buffer {
+struct dma_aligned_buffer {
void *kmalloc_ptr;
void *old_xfer_buffer;
u8 data[0];
};
-static void free_temp_buffer(struct urb *urb)
+static void free_dma_aligned_buffer(struct urb *urb)
{
- enum dma_data_direction dir;
- struct temp_buffer *temp;
+ struct dma_aligned_buffer *temp;
if (!(urb->transfer_flags & URB_ALIGNED_TEMP_BUFFER))
return;
- dir = usb_urb_dir_in(urb) ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
-
- temp = container_of(urb->transfer_buffer, struct temp_buffer,
- data);
+ temp = container_of(urb->transfer_buffer,
+ struct dma_aligned_buffer, data);
- if (dir == DMA_FROM_DEVICE)
+ if (usb_urb_dir_in(urb))
memcpy(temp->old_xfer_buffer, temp->data,
urb->transfer_buffer_length);
urb->transfer_buffer = temp->old_xfer_buffer;
urb->transfer_flags &= ~URB_ALIGNED_TEMP_BUFFER;
}
-static int alloc_temp_buffer(struct urb *urb, gfp_t mem_flags)
+static int alloc_dma_aligned_buffer(struct urb *urb, gfp_t mem_flags)
{
- enum dma_data_direction dir;
- struct temp_buffer *temp, *kmalloc_ptr;
+ struct dma_aligned_buffer *temp, *kmalloc_ptr;
size_t kmalloc_size;
if (urb->num_sgs || urb->sg ||
!((uintptr_t)urb->transfer_buffer & (TEGRA_USB_DMA_ALIGN - 1)))
return 0;
- dir = usb_urb_dir_in(urb) ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
-
/* Allocate a buffer with enough padding for alignment */
kmalloc_size = urb->transfer_buffer_length +
- sizeof(struct temp_buffer) + TEGRA_USB_DMA_ALIGN - 1;
+ sizeof(struct dma_aligned_buffer) + TEGRA_USB_DMA_ALIGN - 1;
kmalloc_ptr = kmalloc(kmalloc_size, mem_flags);
if (!kmalloc_ptr)
return -ENOMEM;
- /* Position our struct temp_buffer such that data is aligned */
+ /* Position our struct dma_aligned_buffer such that data is aligned */
temp = PTR_ALIGN(kmalloc_ptr + 1, TEGRA_USB_DMA_ALIGN) - 1;
-
temp->kmalloc_ptr = kmalloc_ptr;
temp->old_xfer_buffer = urb->transfer_buffer;
- if (dir == DMA_TO_DEVICE)
+ if (usb_urb_dir_out(urb))
memcpy(temp->data, urb->transfer_buffer,
urb->transfer_buffer_length);
urb->transfer_buffer = temp->data;
{
int ret;
- ret = alloc_temp_buffer(urb, mem_flags);
+ ret = alloc_dma_aligned_buffer(urb, mem_flags);
if (ret)
return ret;
ret = usb_hcd_map_urb_for_dma(hcd, urb, mem_flags);
if (ret)
- free_temp_buffer(urb);
+ free_dma_aligned_buffer(urb);
return ret;
}
static void tegra_ehci_unmap_urb_for_dma(struct usb_hcd *hcd, struct urb *urb)
{
usb_hcd_unmap_urb_for_dma(hcd, urb);
- free_temp_buffer(urb);
+ free_dma_aligned_buffer(urb);
}
static const struct hc_driver tegra_ehci_hc_driver = {
.description = hcd_name,
.product_desc = "Tegra EHCI Host Controller",
.hcd_priv_size = sizeof(struct ehci_hcd),
-
.flags = HCD_USB2 | HCD_MEMORY,
- .reset = tegra_ehci_setup,
+ /* standard ehci functions */
.irq = ehci_irq,
-
.start = ehci_run,
.stop = ehci_stop,
- .shutdown = tegra_ehci_shutdown,
.urb_enqueue = ehci_urb_enqueue,
.urb_dequeue = ehci_urb_dequeue,
- .map_urb_for_dma = tegra_ehci_map_urb_for_dma,
- .unmap_urb_for_dma = tegra_ehci_unmap_urb_for_dma,
.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 = tegra_ehci_hub_control,
.clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
+ .relinquish_port = ehci_relinquish_port,
+ .port_handed_over = ehci_port_handed_over,
+
+ /* modified ehci functions for tegra */
+ .reset = tegra_ehci_setup,
+ .shutdown = tegra_ehci_shutdown,
+ .map_urb_for_dma = tegra_ehci_map_urb_for_dma,
+ .unmap_urb_for_dma = tegra_ehci_unmap_urb_for_dma,
+ .hub_control = tegra_ehci_hub_control,
#ifdef CONFIG_PM
.bus_suspend = tegra_ehci_bus_suspend,
.bus_resume = tegra_ehci_bus_resume,
#endif
- .relinquish_port = ehci_relinquish_port,
- .port_handed_over = ehci_port_handed_over,
};
static int setup_vbus_gpio(struct platform_device *pdev)
struct endpoint *ep;
struct usb_td __iomem *td;
unsigned long ep_offset;
- char *err_for = "enpoint PRAM";
+ char *err_for = "endpoint PRAM";
int ep_mem_size;
u32 i;
static const struct of_device_id fsl_usb2_mph_dr_of_match[];
+static int usb_get_ver_info(struct device_node *np)
+{
+ int ver = -1;
+
+ /*
+ * returns 1 for usb controller version 1.6
+ * returns 2 for usb controller version 2.2
+ * returns 0 otherwise
+ */
+ if (of_device_is_compatible(np, "fsl-usb2-dr")) {
+ if (of_device_is_compatible(np, "fsl-usb2-dr-v1.6"))
+ ver = FSL_USB_VER_1_6;
+ else if (of_device_is_compatible(np, "fsl-usb2-dr-v2.2"))
+ ver = FSL_USB_VER_2_2;
+ else /* for previous controller versions */
+ ver = FSL_USB_VER_OLD;
+
+ if (ver > -1)
+ return ver;
+ }
+
+ if (of_device_is_compatible(np, "fsl-usb2-mph")) {
+ if (of_device_is_compatible(np, "fsl-usb2-mph-v1.6"))
+ ver = FSL_USB_VER_1_6;
+ else if (of_device_is_compatible(np, "fsl-usb2-mph-v2.2"))
+ ver = FSL_USB_VER_2_2;
+ else /* for previous controller versions */
+ ver = FSL_USB_VER_OLD;
+ }
+
+ return ver;
+}
+
static int __devinit fsl_usb2_mph_dr_of_probe(struct platform_device *ofdev)
{
struct device_node *np = ofdev->dev.of_node;
prop = of_get_property(np, "phy_type", NULL);
pdata->phy_mode = determine_usb_phy(prop);
+ pdata->controller_ver = usb_get_ver_info(np);
+
+ if (pdata->have_sysif_regs) {
+ if (pdata->controller_ver < 0) {
+ dev_warn(&ofdev->dev, "Could not get controller version\n");
+ return -ENODEV;
+ }
+ }
for (i = 0; i < ARRAY_SIZE(dev_data->drivers); i++) {
if (!dev_data->drivers[i])
if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
retval = -ESHUTDOWN;
+ qtd_list_free(&new_qtds);
goto out;
}
retval = usb_hcd_link_urb_to_ep(hcd, urb);
- if (retval)
+ if (retval) {
+ qtd_list_free(&new_qtds);
goto out;
+ }
qh = urb->ep->hcpriv;
if (qh) {
if (!qh) {
retval = -ENOMEM;
usb_hcd_unlink_urb_from_ep(hcd, urb);
+ qtd_list_free(&new_qtds);
goto out;
}
list_add_tail(&qh->qh_list, ep_queue);
list_for_each_entry(qtd, &qh->qtd_list, qtd_list)
if (qtd->urb == urb) {
dequeue_urb_from_qtd(hcd, qh, qtd);
+ list_move(&qtd->qtd_list, &qh->qtd_list);
break;
}
int __init init_kmem_once(void)
{
- urb_listitem_cachep = kmem_cache_create("isp1760 urb_listitem",
+ urb_listitem_cachep = kmem_cache_create("isp1760_urb_listitem",
sizeof(struct urb_listitem), 0, SLAB_TEMPORARY |
SLAB_MEM_SPREAD, NULL);
hcd = isp1760_register(mem_res->start, mem_size, irq_res->start,
irqflags, -ENOENT,
&pdev->dev, dev_name(&pdev->dev), devflags);
+
+ dev_set_drvdata(&pdev->dev, hcd);
+
if (IS_ERR(hcd)) {
pr_warning("isp1760: Failed to register the HCD device\n");
ret = -ENODEV;
{
struct resource *mem_res;
resource_size_t mem_size;
+ struct usb_hcd *hcd = dev_get_drvdata(&pdev->dev);
+
+ usb_remove_hcd(hcd);
mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mem_size = resource_size(mem_res);
release_mem_region(mem_res->start, mem_size);
+ usb_put_hcd(hcd);
+
return 0;
}
#define PS3_SYSTEM_BUS_DRIVER ps3_ohci_driver
#endif
-#ifdef CONFIG_USB_OHCI_HCD_SSB
-#include "ohci-ssb.c"
-#define SSB_OHCI_DRIVER ssb_ohci_driver
-#endif
-
#ifdef CONFIG_MFD_SM501
#include "ohci-sm501.c"
#define SM501_OHCI_DRIVER ohci_hcd_sm501_driver
!defined(SA1111_DRIVER) && \
!defined(PS3_SYSTEM_BUS_DRIVER) && \
!defined(SM501_OHCI_DRIVER) && \
- !defined(TMIO_OHCI_DRIVER) && \
- !defined(SSB_OHCI_DRIVER)
+ !defined(TMIO_OHCI_DRIVER)
#error "missing bus glue for ohci-hcd"
#endif
goto error_pci;
#endif
-#ifdef SSB_OHCI_DRIVER
- retval = ssb_driver_register(&SSB_OHCI_DRIVER);
- if (retval)
- goto error_ssb;
-#endif
-
#ifdef SM501_OHCI_DRIVER
retval = platform_driver_register(&SM501_OHCI_DRIVER);
if (retval < 0)
platform_driver_unregister(&SM501_OHCI_DRIVER);
error_sm501:
#endif
-#ifdef SSB_OHCI_DRIVER
- ssb_driver_unregister(&SSB_OHCI_DRIVER);
- error_ssb:
-#endif
#ifdef PCI_DRIVER
pci_unregister_driver(&PCI_DRIVER);
error_pci:
#ifdef SM501_OHCI_DRIVER
platform_driver_unregister(&SM501_OHCI_DRIVER);
#endif
-#ifdef SSB_OHCI_DRIVER
- ssb_driver_unregister(&SSB_OHCI_DRIVER);
-#endif
#ifdef PCI_DRIVER
pci_unregister_driver(&PCI_DRIVER);
#endif
irq = platform_get_irq(dev, 0);
if (irq < 0) {
- pr_err("no irq provieded");
+ pr_err("no irq provided");
return irq;
}
res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0);
if (!res_mem) {
- pr_err("no memory recourse provieded");
+ pr_err("no memory recourse provided");
return -ENXIO;
}
#if !defined(CONFIG_USB_OHCI_HCD_PPC_OF_BE) && \
!defined(CONFIG_USB_OHCI_HCD_PPC_OF_LE)
-#error "No endianess selected for ppc-of-ohci"
+#error "No endianness selected for ppc-of-ohci"
#endif
#include <linux/signal.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
+#include <linux/of.h>
struct spear_ohci {
struct ohci_hcd ohci;
static void spear_start_ohci(struct spear_ohci *ohci)
{
- clk_enable(ohci->clk);
+ clk_prepare_enable(ohci->clk);
}
static void spear_stop_ohci(struct spear_ohci *ohci)
{
- clk_disable(ohci->clk);
+ clk_disable_unprepare(ohci->clk);
}
static int __devinit ohci_spear_start(struct usb_hcd *hcd)
.start_port_reset = ohci_start_port_reset,
};
+static u64 spear_ohci_dma_mask = DMA_BIT_MASK(32);
+
static int spear_ohci_hcd_drv_probe(struct platform_device *pdev)
{
const struct hc_driver *driver = &ohci_spear_hc_driver;
struct spear_ohci *ohci_p;
struct resource *res;
int retval, irq;
- int *pdata = pdev->dev.platform_data;
char clk_name[20] = "usbh_clk";
-
- if (pdata == NULL)
- return -EFAULT;
+ static int instance = -1;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
goto fail_irq_get;
}
- if (*pdata >= 0)
- sprintf(clk_name, "usbh.%01d_clk", *pdata);
+ /*
+ * Right now device-tree probed devices don't get dma_mask set.
+ * Since shared usb code relies on it, set it here for now.
+ * Once we have dma capability bindings this can go away.
+ */
+ if (!pdev->dev.dma_mask)
+ pdev->dev.dma_mask = &spear_ohci_dma_mask;
+
+ /*
+ * Increment the device instance, when probing via device-tree
+ */
+ if (pdev->id < 0)
+ instance++;
+ else
+ instance = pdev->id;
+ sprintf(clk_name, "usbh.%01d_clk", instance);
usbh_clk = clk_get(NULL, clk_name);
if (IS_ERR(usbh_clk)) {
}
#endif
+static struct of_device_id spear_ohci_id_table[] __devinitdata = {
+ { .compatible = "st,spear600-ohci", },
+ { },
+};
+
/* Driver definition to register with the platform bus */
static struct platform_driver spear_ohci_hcd_driver = {
.probe = spear_ohci_hcd_drv_probe,
.driver = {
.owner = THIS_MODULE,
.name = "spear-ohci",
+ .of_match_table = of_match_ptr(spear_ohci_id_table),
},
};
+++ /dev/null
-/*
- * Sonics Silicon Backplane
- * Broadcom USB-core OHCI driver
- *
- * Copyright 2007 Michael Buesch <m@bues.ch>
- *
- * Derived from the OHCI-PCI driver
- * Copyright 1999 Roman Weissgaerber
- * Copyright 2000-2002 David Brownell
- * Copyright 1999 Linus Torvalds
- * Copyright 1999 Gregory P. Smith
- *
- * Derived from the USBcore related parts of Broadcom-SB
- * Copyright 2005 Broadcom Corporation
- *
- * Licensed under the GNU/GPL. See COPYING for details.
- */
-#include <linux/ssb/ssb.h>
-
-
-#define SSB_OHCI_TMSLOW_HOSTMODE (1 << 29)
-
-struct ssb_ohci_device {
- struct ohci_hcd ohci; /* _must_ be at the beginning. */
-
- u32 enable_flags;
-};
-
-static inline
-struct ssb_ohci_device *hcd_to_ssb_ohci(struct usb_hcd *hcd)
-{
- return (struct ssb_ohci_device *)(hcd->hcd_priv);
-}
-
-
-static int ssb_ohci_reset(struct usb_hcd *hcd)
-{
- struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
- struct ohci_hcd *ohci = &ohcidev->ohci;
- int err;
-
- ohci_hcd_init(ohci);
- err = ohci_init(ohci);
-
- return err;
-}
-
-static int ssb_ohci_start(struct usb_hcd *hcd)
-{
- struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
- struct ohci_hcd *ohci = &ohcidev->ohci;
- 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 ssb_ohci_hc_driver = {
- .description = "ssb-usb-ohci",
- .product_desc = "SSB OHCI Controller",
- .hcd_priv_size = sizeof(struct ssb_ohci_device),
-
- .irq = ohci_irq,
- .flags = HCD_MEMORY | HCD_USB11,
-
- .reset = ssb_ohci_reset,
- .start = ssb_ohci_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 void ssb_ohci_detach(struct ssb_device *dev)
-{
- struct usb_hcd *hcd = ssb_get_drvdata(dev);
-
- if (hcd->driver->shutdown)
- hcd->driver->shutdown(hcd);
- usb_remove_hcd(hcd);
- iounmap(hcd->regs);
- release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
- usb_put_hcd(hcd);
- ssb_device_disable(dev, 0);
-}
-
-static int ssb_ohci_attach(struct ssb_device *dev)
-{
- struct ssb_ohci_device *ohcidev;
- struct usb_hcd *hcd;
- int err = -ENOMEM;
- u32 tmp, flags = 0;
-
- if (dma_set_mask(dev->dma_dev, DMA_BIT_MASK(32)) ||
- dma_set_coherent_mask(dev->dma_dev, DMA_BIT_MASK(32)))
- return -EOPNOTSUPP;
-
- if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) {
- /* Put the device into host-mode. */
- flags |= SSB_OHCI_TMSLOW_HOSTMODE;
- ssb_device_enable(dev, flags);
- } else if (dev->id.coreid == SSB_DEV_USB20_HOST) {
- /*
- * USB 2.0 special considerations:
- *
- * In addition to the standard SSB reset sequence, the Host
- * Control Register must be programmed to bring the USB core
- * and various phy components out of reset.
- */
- ssb_device_enable(dev, 0);
- ssb_write32(dev, 0x200, 0x7ff);
-
- /* Change Flush control reg */
- tmp = ssb_read32(dev, 0x400);
- tmp &= ~8;
- ssb_write32(dev, 0x400, tmp);
- tmp = ssb_read32(dev, 0x400);
-
- /* Change Shim control reg */
- tmp = ssb_read32(dev, 0x304);
- tmp &= ~0x100;
- ssb_write32(dev, 0x304, tmp);
- tmp = ssb_read32(dev, 0x304);
-
- udelay(1);
-
- /* Work around for 5354 failures */
- if (dev->id.revision == 2 && dev->bus->chip_id == 0x5354) {
- /* Change syn01 reg */
- tmp = 0x00fe00fe;
- ssb_write32(dev, 0x894, tmp);
-
- /* Change syn03 reg */
- tmp = ssb_read32(dev, 0x89c);
- tmp |= 0x1;
- ssb_write32(dev, 0x89c, tmp);
- }
- } else
- ssb_device_enable(dev, 0);
-
- hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev,
- dev_name(dev->dev));
- if (!hcd)
- goto err_dev_disable;
- ohcidev = hcd_to_ssb_ohci(hcd);
- ohcidev->enable_flags = flags;
-
- tmp = ssb_read32(dev, SSB_ADMATCH0);
- hcd->rsrc_start = ssb_admatch_base(tmp);
- hcd->rsrc_len = ssb_admatch_size(tmp);
- hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
- if (!hcd->regs)
- goto err_put_hcd;
- err = usb_add_hcd(hcd, dev->irq, IRQF_SHARED);
- if (err)
- goto err_iounmap;
-
- ssb_set_drvdata(dev, hcd);
-
- return err;
-
-err_iounmap:
- iounmap(hcd->regs);
-err_put_hcd:
- usb_put_hcd(hcd);
-err_dev_disable:
- ssb_device_disable(dev, flags);
- return err;
-}
-
-static int ssb_ohci_probe(struct ssb_device *dev,
- const struct ssb_device_id *id)
-{
- int err;
- u16 chipid_top;
-
- /* USBcores are only connected on embedded devices. */
- chipid_top = (dev->bus->chip_id & 0xFF00);
- if (chipid_top != 0x4700 && chipid_top != 0x5300)
- return -ENODEV;
-
- /* TODO: Probably need checks here; is the core connected? */
-
- if (usb_disabled())
- return -ENODEV;
-
- /* We currently always attach SSB_DEV_USB11_HOSTDEV
- * as HOST OHCI. If we want to attach it as Client device,
- * we must branch here and call into the (yet to
- * be written) Client mode driver. Same for remove(). */
-
- err = ssb_ohci_attach(dev);
-
- return err;
-}
-
-static void ssb_ohci_remove(struct ssb_device *dev)
-{
- ssb_ohci_detach(dev);
-}
-
-#ifdef CONFIG_PM
-
-static int ssb_ohci_suspend(struct ssb_device *dev, pm_message_t state)
-{
- ssb_device_disable(dev, 0);
-
- return 0;
-}
-
-static int ssb_ohci_resume(struct ssb_device *dev)
-{
- struct usb_hcd *hcd = ssb_get_drvdata(dev);
- struct ssb_ohci_device *ohcidev = hcd_to_ssb_ohci(hcd);
-
- ssb_device_enable(dev, ohcidev->enable_flags);
-
- ohci_finish_controller_resume(hcd);
- return 0;
-}
-
-#else /* !CONFIG_PM */
-#define ssb_ohci_suspend NULL
-#define ssb_ohci_resume NULL
-#endif /* CONFIG_PM */
-
-static const struct ssb_device_id ssb_ohci_table[] = {
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV),
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV),
- SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV),
- SSB_DEVTABLE_END
-};
-MODULE_DEVICE_TABLE(ssb, ssb_ohci_table);
-
-static struct ssb_driver ssb_ohci_driver = {
- .name = KBUILD_MODNAME,
- .id_table = ssb_ohci_table,
- .probe = ssb_ohci_probe,
- .remove = ssb_ohci_remove,
- .suspend = ssb_ohci_suspend,
- .resume = ssb_ohci_resume,
-};
/* shouldn't happen often, but ...
* FIXME kill those tds' urbs
*/
- err("can't reschedule qh %p, err %d",
- qh, status);
+ dev_err(hcd->self.controller,
+ "can't reschedule qh %p, err %d\n", qh,
+ status);
}
return status;
}
--- /dev/null
+/*
+ * Sonics Silicon Backplane
+ * Broadcom USB-core driver (SSB bus glue)
+ *
+ * Copyright 2011-2012 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Based on ssb-ohci driver
+ * Copyright 2007 Michael Buesch <m@bues.ch>
+ *
+ * Derived from the OHCI-PCI driver
+ * Copyright 1999 Roman Weissgaerber
+ * Copyright 2000-2002 David Brownell
+ * Copyright 1999 Linus Torvalds
+ * Copyright 1999 Gregory P. Smith
+ *
+ * Derived from the USBcore related parts of Broadcom-SB
+ * Copyright 2005-2011 Broadcom Corporation
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+#include <linux/ssb/ssb.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/usb/ehci_pdriver.h>
+#include <linux/usb/ohci_pdriver.h>
+
+MODULE_AUTHOR("Hauke Mehrtens");
+MODULE_DESCRIPTION("Common USB driver for SSB Bus");
+MODULE_LICENSE("GPL");
+
+#define SSB_HCD_TMSLOW_HOSTMODE (1 << 29)
+
+struct ssb_hcd_device {
+ struct platform_device *ehci_dev;
+ struct platform_device *ohci_dev;
+
+ u32 enable_flags;
+};
+
+static void __devinit ssb_hcd_5354wa(struct ssb_device *dev)
+{
+#ifdef CONFIG_SSB_DRIVER_MIPS
+ /* Work around for 5354 failures */
+ if (dev->id.revision == 2 && dev->bus->chip_id == 0x5354) {
+ /* Change syn01 reg */
+ ssb_write32(dev, 0x894, 0x00fe00fe);
+
+ /* Change syn03 reg */
+ ssb_write32(dev, 0x89c, ssb_read32(dev, 0x89c) | 0x1);
+ }
+#endif
+}
+
+static void __devinit ssb_hcd_usb20wa(struct ssb_device *dev)
+{
+ if (dev->id.coreid == SSB_DEV_USB20_HOST) {
+ /*
+ * USB 2.0 special considerations:
+ *
+ * In addition to the standard SSB reset sequence, the Host
+ * Control Register must be programmed to bring the USB core
+ * and various phy components out of reset.
+ */
+ ssb_write32(dev, 0x200, 0x7ff);
+
+ /* Change Flush control reg */
+ ssb_write32(dev, 0x400, ssb_read32(dev, 0x400) & ~8);
+ ssb_read32(dev, 0x400);
+
+ /* Change Shim control reg */
+ ssb_write32(dev, 0x304, ssb_read32(dev, 0x304) & ~0x100);
+ ssb_read32(dev, 0x304);
+
+ udelay(1);
+
+ ssb_hcd_5354wa(dev);
+ }
+}
+
+/* based on arch/mips/brcm-boards/bcm947xx/pcibios.c */
+static u32 __devinit ssb_hcd_init_chip(struct ssb_device *dev)
+{
+ u32 flags = 0;
+
+ if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV)
+ /* Put the device into host-mode. */
+ flags |= SSB_HCD_TMSLOW_HOSTMODE;
+
+ ssb_device_enable(dev, flags);
+
+ ssb_hcd_usb20wa(dev);
+
+ return flags;
+}
+
+static const struct usb_ehci_pdata ehci_pdata = {
+};
+
+static const struct usb_ohci_pdata ohci_pdata = {
+};
+
+static struct platform_device * __devinit
+ssb_hcd_create_pdev(struct ssb_device *dev, bool ohci, u32 addr, u32 len)
+{
+ struct platform_device *hci_dev;
+ struct resource hci_res[2];
+ int ret = -ENOMEM;
+
+ memset(hci_res, 0, sizeof(hci_res));
+
+ hci_res[0].start = addr;
+ hci_res[0].end = hci_res[0].start + len - 1;
+ hci_res[0].flags = IORESOURCE_MEM;
+
+ hci_res[1].start = dev->irq;
+ hci_res[1].flags = IORESOURCE_IRQ;
+
+ hci_dev = platform_device_alloc(ohci ? "ohci-platform" :
+ "ehci-platform" , 0);
+ if (!hci_dev)
+ return NULL;
+
+ hci_dev->dev.parent = dev->dev;
+ hci_dev->dev.dma_mask = &hci_dev->dev.coherent_dma_mask;
+
+ ret = platform_device_add_resources(hci_dev, hci_res,
+ ARRAY_SIZE(hci_res));
+ if (ret)
+ goto err_alloc;
+ if (ohci)
+ ret = platform_device_add_data(hci_dev, &ohci_pdata,
+ sizeof(ohci_pdata));
+ else
+ ret = platform_device_add_data(hci_dev, &ehci_pdata,
+ sizeof(ehci_pdata));
+ if (ret)
+ goto err_alloc;
+ ret = platform_device_add(hci_dev);
+ if (ret)
+ goto err_alloc;
+
+ return hci_dev;
+
+err_alloc:
+ platform_device_put(hci_dev);
+ return ERR_PTR(ret);
+}
+
+static int __devinit ssb_hcd_probe(struct ssb_device *dev,
+ const struct ssb_device_id *id)
+{
+ int err, tmp;
+ int start, len;
+ u16 chipid_top;
+ u16 coreid = dev->id.coreid;
+ struct ssb_hcd_device *usb_dev;
+
+ /* USBcores are only connected on embedded devices. */
+ chipid_top = (dev->bus->chip_id & 0xFF00);
+ if (chipid_top != 0x4700 && chipid_top != 0x5300)
+ return -ENODEV;
+
+ /* TODO: Probably need checks here; is the core connected? */
+
+ if (dma_set_mask(dev->dma_dev, DMA_BIT_MASK(32)) ||
+ dma_set_coherent_mask(dev->dma_dev, DMA_BIT_MASK(32)))
+ return -EOPNOTSUPP;
+
+ usb_dev = kzalloc(sizeof(struct ssb_hcd_device), GFP_KERNEL);
+ if (!usb_dev)
+ return -ENOMEM;
+
+ /* We currently always attach SSB_DEV_USB11_HOSTDEV
+ * as HOST OHCI. If we want to attach it as Client device,
+ * we must branch here and call into the (yet to
+ * be written) Client mode driver. Same for remove(). */
+ usb_dev->enable_flags = ssb_hcd_init_chip(dev);
+
+ tmp = ssb_read32(dev, SSB_ADMATCH0);
+
+ start = ssb_admatch_base(tmp);
+ len = (coreid == SSB_DEV_USB20_HOST) ? 0x800 : ssb_admatch_size(tmp);
+ usb_dev->ohci_dev = ssb_hcd_create_pdev(dev, true, start, len);
+ if (IS_ERR(usb_dev->ohci_dev)) {
+ err = PTR_ERR(usb_dev->ohci_dev);
+ goto err_free_usb_dev;
+ }
+
+ if (coreid == SSB_DEV_USB20_HOST) {
+ start = ssb_admatch_base(tmp) + 0x800; /* ehci core offset */
+ usb_dev->ehci_dev = ssb_hcd_create_pdev(dev, false, start, len);
+ if (IS_ERR(usb_dev->ehci_dev)) {
+ err = PTR_ERR(usb_dev->ehci_dev);
+ goto err_unregister_ohci_dev;
+ }
+ }
+
+ ssb_set_drvdata(dev, usb_dev);
+ return 0;
+
+err_unregister_ohci_dev:
+ platform_device_unregister(usb_dev->ohci_dev);
+err_free_usb_dev:
+ kfree(usb_dev);
+ return err;
+}
+
+static void __devexit ssb_hcd_remove(struct ssb_device *dev)
+{
+ struct ssb_hcd_device *usb_dev = ssb_get_drvdata(dev);
+ struct platform_device *ohci_dev = usb_dev->ohci_dev;
+ struct platform_device *ehci_dev = usb_dev->ehci_dev;
+
+ if (ohci_dev)
+ platform_device_unregister(ohci_dev);
+ if (ehci_dev)
+ platform_device_unregister(ehci_dev);
+
+ ssb_device_disable(dev, 0);
+}
+
+static void __devexit ssb_hcd_shutdown(struct ssb_device *dev)
+{
+ ssb_device_disable(dev, 0);
+}
+
+#ifdef CONFIG_PM
+
+static int ssb_hcd_suspend(struct ssb_device *dev, pm_message_t state)
+{
+ ssb_device_disable(dev, 0);
+
+ return 0;
+}
+
+static int ssb_hcd_resume(struct ssb_device *dev)
+{
+ struct ssb_hcd_device *usb_dev = ssb_get_drvdata(dev);
+
+ ssb_device_enable(dev, usb_dev->enable_flags);
+
+ return 0;
+}
+
+#else /* !CONFIG_PM */
+#define ssb_hcd_suspend NULL
+#define ssb_hcd_resume NULL
+#endif /* CONFIG_PM */
+
+static const struct ssb_device_id ssb_hcd_table[] __devinitconst = {
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV),
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV),
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV),
+ SSB_DEVTABLE_END
+};
+MODULE_DEVICE_TABLE(ssb, ssb_hcd_table);
+
+static struct ssb_driver ssb_hcd_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = ssb_hcd_table,
+ .probe = ssb_hcd_probe,
+ .remove = __devexit_p(ssb_hcd_remove),
+ .shutdown = ssb_hcd_shutdown,
+ .suspend = ssb_hcd_suspend,
+ .resume = ssb_hcd_resume,
+};
+
+static int __init ssb_hcd_init(void)
+{
+ return ssb_driver_register(&ssb_hcd_driver);
+}
+module_init(ssb_hcd_init);
+
+static void __exit ssb_hcd_exit(void)
+{
+ ssb_driver_unregister(&ssb_hcd_driver);
+}
+module_exit(ssb_hcd_exit);
const struct firmware *bitstream_fw = NULL;
const struct firmware *firmware_fw = NULL;
const struct ihex_binrec *rec;
- int err;
+ int err = -ENOMEM;
int i;
__u32 addr; /* Address to write */
__u8 *buf;
buf = kmalloc(FW_LOAD_SIZE, GFP_KERNEL);
- if (!buf) {
- dev_err(&dev->dev, "%s - error loading firmware: error = %d\n",
- __func__, -ENOMEM);
- err = -ENOMEM;
+ if (!buf)
goto wraperr;
- }
err = request_ihex_firmware(&loader_fw, "emi26/loader.fw", &dev->dev);
if (err)
/* Assert reset (stop the CPU in the EMI) */
err = emi26_set_reset(dev,1);
- if (err < 0) {
- dev_err(&dev->dev,"%s - error loading firmware: error = %d\n",
- __func__, err);
+ if (err < 0)
goto wraperr;
- }
rec = (const struct ihex_binrec *)loader_fw->data;
/* 1. We need to put the loader for the FPGA into the EZ-USB */
err = emi26_writememory(dev, be32_to_cpu(rec->addr),
rec->data, be16_to_cpu(rec->len),
ANCHOR_LOAD_INTERNAL);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
rec = ihex_next_binrec(rec);
}
/* De-assert reset (let the CPU run) */
err = emi26_set_reset(dev,0);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
msleep(250); /* let device settle */
/* 2. We upload the FPGA firmware into the EMI
rec = ihex_next_binrec(rec);
}
err = emi26_writememory(dev, addr, buf, i, ANCHOR_LOAD_FPGA);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
} while (rec);
/* Assert reset (stop the CPU in the EMI) */
err = emi26_set_reset(dev,1);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
/* 3. We need to put the loader for the firmware into the EZ-USB (again...) */
for (rec = (const struct ihex_binrec *)loader_fw->data;
err = emi26_writememory(dev, be32_to_cpu(rec->addr),
rec->data, be16_to_cpu(rec->len),
ANCHOR_LOAD_INTERNAL);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
}
msleep(250); /* let device settle */
/* De-assert reset (let the CPU run) */
err = emi26_set_reset(dev,0);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
/* 4. We put the part of the firmware that lies in the external RAM into the EZ-USB */
err = emi26_writememory(dev, be32_to_cpu(rec->addr),
rec->data, be16_to_cpu(rec->len),
ANCHOR_LOAD_EXTERNAL);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
}
}
-
+
/* Assert reset (stop the CPU in the EMI) */
err = emi26_set_reset(dev,1);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
for (rec = (const struct ihex_binrec *)firmware_fw->data;
rec; rec = ihex_next_binrec(rec)) {
err = emi26_writememory(dev, be32_to_cpu(rec->addr),
rec->data, be16_to_cpu(rec->len),
ANCHOR_LOAD_INTERNAL);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
}
}
/* De-assert reset (let the CPU run) */
err = emi26_set_reset(dev,0);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
msleep(250); /* let device settle */
/* return 1 to fail the driver inialization
err = 1;
wraperr:
+ if (err < 0)
+ dev_err(&dev->dev,"%s - error loading firmware: error = %d\n",
+ __func__, err);
+
release_firmware(loader_fw);
release_firmware(bitstream_fw);
release_firmware(firmware_fw);
unsigned char *buffer = kmemdup(data, length, GFP_KERNEL);
if (!buffer) {
- err("emi62: kmalloc(%d) failed.", length);
+ dev_err(&dev->dev, "kmalloc(%d) failed.\n", length);
return -ENOMEM;
}
/* Note: usb_control_msg returns negative value on error or length of the
dev_info(&dev->dev, "%s - %d\n", __func__, reset_bit);
response = emi62_writememory (dev, CPUCS_REG, &reset_bit, 1, 0xa0);
- if (response < 0) {
- err("emi62: set_reset (%d) failed", reset_bit);
- }
+ if (response < 0)
+ dev_err(&dev->dev, "set_reset (%d) failed\n", reset_bit);
return response;
}
const struct firmware *bitstream_fw = NULL;
const struct firmware *firmware_fw = NULL;
const struct ihex_binrec *rec;
- int err;
+ int err = -ENOMEM;
int i;
__u32 addr; /* Address to write */
__u8 *buf;
dev_dbg(&dev->dev, "load_firmware\n");
buf = kmalloc(FW_LOAD_SIZE, GFP_KERNEL);
- if (!buf) {
- err( "%s - error loading firmware: error = %d", __func__, -ENOMEM);
- err = -ENOMEM;
+ if (!buf)
goto wraperr;
- }
err = request_ihex_firmware(&loader_fw, "emi62/loader.fw", &dev->dev);
if (err)
err = request_ihex_firmware(&firmware_fw, FIRMWARE_FW, &dev->dev);
if (err) {
nofw:
- err( "%s - request_firmware() failed", __func__);
goto wraperr;
}
/* Assert reset (stop the CPU in the EMI) */
err = emi62_set_reset(dev,1);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
rec = (const struct ihex_binrec *)loader_fw->data;
err = emi62_writememory(dev, be32_to_cpu(rec->addr),
rec->data, be16_to_cpu(rec->len),
ANCHOR_LOAD_INTERNAL);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
rec = ihex_next_binrec(rec);
}
/* De-assert reset (let the CPU run) */
err = emi62_set_reset(dev,0);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
msleep(250); /* let device settle */
/* 2. We upload the FPGA firmware into the EMI
rec = ihex_next_binrec(rec);
}
err = emi62_writememory(dev, addr, buf, i, ANCHOR_LOAD_FPGA);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
} while (rec);
/* Assert reset (stop the CPU in the EMI) */
err = emi62_set_reset(dev,1);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
/* 3. We need to put the loader for the firmware into the EZ-USB (again...) */
for (rec = (const struct ihex_binrec *)loader_fw->data;
err = emi62_writememory(dev, be32_to_cpu(rec->addr),
rec->data, be16_to_cpu(rec->len),
ANCHOR_LOAD_INTERNAL);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
}
/* De-assert reset (let the CPU run) */
err = emi62_set_reset(dev,0);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
msleep(250); /* let device settle */
/* 4. We put the part of the firmware that lies in the external RAM into the EZ-USB */
err = emi62_writememory(dev, be32_to_cpu(rec->addr),
rec->data, be16_to_cpu(rec->len),
ANCHOR_LOAD_EXTERNAL);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
}
}
/* Assert reset (stop the CPU in the EMI) */
err = emi62_set_reset(dev,1);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
for (rec = (const struct ihex_binrec *)firmware_fw->data;
rec; rec = ihex_next_binrec(rec)) {
err = emi62_writememory(dev, be32_to_cpu(rec->addr),
rec->data, be16_to_cpu(rec->len),
ANCHOR_LOAD_EXTERNAL);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
}
}
/* De-assert reset (let the CPU run) */
err = emi62_set_reset(dev,0);
- if (err < 0) {
- err("%s - error loading firmware: error = %d", __func__, err);
+ if (err < 0)
goto wraperr;
- }
msleep(250); /* let device settle */
release_firmware(loader_fw);
return 1;
wraperr:
+ if (err < 0)
+ dev_err(&dev->dev,"%s - error loading firmware: error = %d\n",
+ __func__, err);
release_firmware(loader_fw);
release_firmware(bitstream_fw);
release_firmware(firmware_fw);
kmalloc(IMGSIZE + dev->bulk_in_size, GFP_KERNEL);
if (!dev->bulk_in_buffer) {
- err("Unable to allocate input buffer.");
+ dev_err(&interface->dev, "Unable to allocate input buffer.\n");
idmouse_delete(dev);
return -ENOMEM;
}
}
if (!(dev->bulk_in_endpointAddr)) {
- err("Unable to find bulk-in endpoint.");
+ dev_err(&interface->dev, "Unable to find bulk-in endpoint.\n");
idmouse_delete(dev);
return -ENODEV;
}
result = usb_register_dev(interface, &idmouse_class);
if (result) {
/* something prevented us from registering this device */
- err("Unble to allocate minor number.");
+ dev_err(&interface->dev, "Unble to allocate minor number.\n");
usb_set_intfdata(interface, NULL);
idmouse_delete(dev);
return result;
interface = usb_find_interface(&iowarrior_driver, subminor);
if (!interface) {
mutex_unlock(&iowarrior_mutex);
- err("%s - error, can't find device for minor %d", __func__,
- subminor);
+ printk(KERN_ERR "%s - error, can't find device for minor %d\n",
+ __func__, subminor);
return -ENODEV;
}
interface = usb_find_interface(&ld_usb_driver, subminor);
if (!interface) {
- err("%s - error, can't find device for minor %d\n",
- __func__, subminor);
+ printk(KERN_ERR "%s - error, can't find device for minor %d\n",
+ __func__, subminor);
return -ENODEV;
}
/* verify that the device wasn't unplugged */
if (dev->intf == NULL) {
retval = -ENODEV;
- err("No device or device unplugged %d\n", retval);
+ printk(KERN_ERR "ldusb: No device or device unplugged %d\n", retval);
goto unlock_exit;
}
/* verify that the device wasn't unplugged */
if (dev->intf == NULL) {
retval = -ENODEV;
- err("No device or device unplugged %d\n", retval);
+ printk(KERN_ERR "ldusb: No device or device unplugged %d\n", retval);
goto unlock_exit;
}
bytes_to_write,
USB_CTRL_SET_TIMEOUT * HZ);
if (retval < 0)
- err("Couldn't submit HID_REQ_SET_REPORT %d\n", retval);
+ dev_err(&dev->intf->dev,
+ "Couldn't submit HID_REQ_SET_REPORT %d\n",
+ retval);
goto unlock_exit;
}
retval = usb_submit_urb(dev->interrupt_out_urb, GFP_KERNEL);
if (retval) {
dev->interrupt_out_busy = 0;
- err("Couldn't submit interrupt_out_urb %d\n", retval);
+ dev_err(&dev->intf->dev,
+ "Couldn't submit interrupt_out_urb %d\n", retval);
goto unlock_exit;
}
retval = bytes_to_write;
interface = usb_find_interface (&tower_driver, subminor);
if (!interface) {
- err ("%s - error, can't find device for minor %d",
- __func__, subminor);
+ printk(KERN_ERR "%s - error, can't find device for minor %d\n",
+ __func__, subminor);
retval = -ENODEV;
goto exit;
}
sizeof(reset_reply),
1000);
if (result < 0) {
- err("LEGO USB Tower reset control request failed");
+ dev_err(&dev->udev->dev,
+ "LEGO USB Tower reset control request failed\n");
retval = result;
goto unlock_exit;
}
retval = usb_submit_urb (dev->interrupt_in_urb, GFP_KERNEL);
if (retval) {
- err("Couldn't submit interrupt_in_urb %d", retval);
+ dev_err(&dev->udev->dev,
+ "Couldn't submit interrupt_in_urb %d\n", retval);
dev->interrupt_in_running = 0;
dev->open_count = 0;
goto unlock_exit;
/* verify that the device wasn't unplugged */
if (dev->udev == NULL) {
retval = -ENODEV;
- err("No device or device unplugged %d", retval);
+ printk(KERN_ERR "legousbtower: No device or device unplugged %d\n", retval);
goto unlock_exit;
}
/* verify that the device wasn't unplugged */
if (dev->udev == NULL) {
retval = -ENODEV;
- err("No device or device unplugged %d", retval);
+ printk(KERN_ERR "legousbtower: No device or device unplugged %d\n", retval);
goto unlock_exit;
}
retval = usb_submit_urb (dev->interrupt_out_urb, GFP_KERNEL);
if (retval) {
dev->interrupt_out_busy = 0;
- err("Couldn't submit interrupt_out_urb %d", retval);
+ dev_err(&dev->udev->dev,
+ "Couldn't submit interrupt_out_urb %d\n", retval);
goto unlock_exit;
}
retval = bytes_to_write;
/* resubmit if we're still running */
if (dev->interrupt_in_running && dev->udev) {
retval = usb_submit_urb (dev->interrupt_in_urb, GFP_ATOMIC);
- if (retval) {
- err("%s: usb_submit_urb failed (%d)", __func__, retval);
- }
+ if (retval)
+ dev_err(&dev->udev->dev,
+ "%s: usb_submit_urb failed (%d)\n",
+ __func__, retval);
}
exit:
*/
static int tower_probe (struct usb_interface *interface, const struct usb_device_id *id)
{
+ struct device *idev = &interface->dev;
struct usb_device *udev = interface_to_usbdev(interface);
struct lego_usb_tower *dev = NULL;
struct usb_host_interface *iface_desc;
dev = kmalloc (sizeof(struct lego_usb_tower), GFP_KERNEL);
if (dev == NULL) {
- err ("Out of memory");
+ dev_err(idev, "Out of memory\n");
goto exit;
}
}
}
if(dev->interrupt_in_endpoint == NULL) {
- err("interrupt in endpoint not found");
+ dev_err(idev, "interrupt in endpoint not found\n");
goto error;
}
if (dev->interrupt_out_endpoint == NULL) {
- err("interrupt out endpoint not found");
+ dev_err(idev, "interrupt out endpoint not found\n");
goto error;
}
dev->read_buffer = kmalloc (read_buffer_size, GFP_KERNEL);
if (!dev->read_buffer) {
- err("Couldn't allocate read_buffer");
+ dev_err(idev, "Couldn't allocate read_buffer\n");
goto error;
}
dev->interrupt_in_buffer = kmalloc (usb_endpoint_maxp(dev->interrupt_in_endpoint), GFP_KERNEL);
if (!dev->interrupt_in_buffer) {
- err("Couldn't allocate interrupt_in_buffer");
+ dev_err(idev, "Couldn't allocate interrupt_in_buffer\n");
goto error;
}
dev->interrupt_in_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->interrupt_in_urb) {
- err("Couldn't allocate interrupt_in_urb");
+ dev_err(idev, "Couldn't allocate interrupt_in_urb\n");
goto error;
}
dev->interrupt_out_buffer = kmalloc (write_buffer_size, GFP_KERNEL);
if (!dev->interrupt_out_buffer) {
- err("Couldn't allocate interrupt_out_buffer");
+ dev_err(idev, "Couldn't allocate interrupt_out_buffer\n");
goto error;
}
dev->interrupt_out_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->interrupt_out_urb) {
- err("Couldn't allocate interrupt_out_urb");
+ dev_err(idev, "Couldn't allocate interrupt_out_urb\n");
goto error;
}
dev->interrupt_in_interval = interrupt_in_interval ? interrupt_in_interval : dev->interrupt_in_endpoint->bInterval;
if (retval) {
/* something prevented us from registering this driver */
- err ("Not able to get a minor for this device.");
+ dev_err(idev, "Not able to get a minor for this device.\n");
usb_set_intfdata (interface, NULL);
goto error;
}
sizeof(get_version_reply),
1000);
if (result < 0) {
- err("LEGO USB Tower get version control request failed");
+ dev_err(idev, "LEGO USB Tower get version control request failed\n");
retval = result;
goto error;
}
if (result == -ETIMEDOUT)
retries--;
else if (result < 0) {
- err("Error executing ioctrl. code = %d", result);
+ dev_err(&rio->rio_dev->dev,
+ "Error executing ioctrl. code = %d\n",
+ result);
retries = 0;
} else {
dbg("Executed ioctl. Result = %d (data=%02x)",
if (result == -ETIMEDOUT)
retries--;
else if (result < 0) {
- err("Error executing ioctrl. code = %d", result);
+ dev_err(&rio->rio_dev->dev,
+ "Error executing ioctrl. code = %d\n",
+ result);
retries = 0;
} else {
dbg("Executed ioctl. Result = %d", result);
break;
};
if (result) {
- err("Write Whoops - %x", result);
+ dev_err(&rio->rio_dev->dev, "Write Whoops - %x\n",
+ result);
errn = -EIO;
goto error;
}
} else if (result == -ETIMEDOUT || result == 15) { /* FIXME: 15 ??? */
if (!maxretry--) {
mutex_unlock(&(rio->lock));
- err("read_rio: maxretry timeout");
+ dev_err(&rio->rio_dev->dev,
+ "read_rio: maxretry timeout\n");
return -ETIME;
}
prepare_to_wait(&rio->wait_q, &wait, TASK_INTERRUPTIBLE);
continue;
} else if (result != -EREMOTEIO) {
mutex_unlock(&(rio->lock));
- err("Read Whoops - result:%u partial:%u this_read:%u",
- result, partial, this_read);
+ dev_err(&rio->rio_dev->dev,
+ "Read Whoops - result:%u partial:%u this_read:%u\n",
+ result, partial, this_read);
return -EIO;
} else {
mutex_unlock(&(rio->lock));
retval = usb_register_dev(intf, &usb_rio_class);
if (retval) {
- err("Not able to get a minor for this device.");
+ dev_err(&dev->dev,
+ "Not able to get a minor for this device.\n");
return -ENOMEM;
}
rio->rio_dev = dev;
if (!(rio->obuf = kmalloc(OBUF_SIZE, GFP_KERNEL))) {
- err("probe_rio: Not enough memory for the output buffer");
+ dev_err(&dev->dev,
+ "probe_rio: Not enough memory for the output buffer\n");
usb_deregister_dev(intf, &usb_rio_class);
return -ENOMEM;
}
dbg("probe_rio: obuf address:%p", rio->obuf);
if (!(rio->ibuf = kmalloc(IBUF_SIZE, GFP_KERNEL))) {
- err("probe_rio: Not enough memory for the input buffer");
+ dev_err(&dev->dev,
+ "probe_rio: Not enough memory for the input buffer\n");
usb_deregister_dev(intf, &usb_rio_class);
kfree(rio->obuf);
return -ENOMEM;
interface = usb_find_interface(&lcd_driver, subminor);
if (!interface) {
mutex_unlock(&lcd_mutex);
- err("USBLCD: %s - error, can't find device for minor %d",
- __func__, subminor);
+ printk(KERN_ERR "USBLCD: %s - error, can't find device for minor %d\n",
+ __func__, subminor);
return -ENODEV;
}
/* send the data out the bulk port */
retval = usb_submit_urb(urb, GFP_KERNEL);
if (retval) {
- err("USBLCD: %s - failed submitting write urb, error %d",
- __func__, retval);
+ dev_err(&dev->udev->dev,
+ "%s - failed submitting write urb, error %d\n",
+ __func__, retval);
goto error_unanchor;
}
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
- err("Out of memory");
+ dev_err(&interface->dev, "Out of memory\n");
goto error;
}
kref_init(&dev->kref);
dev->bulk_in_endpointAddr = endpoint->bEndpointAddress;
dev->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL);
if (!dev->bulk_in_buffer) {
- err("Could not allocate bulk_in_buffer");
+ dev_err(&interface->dev,
+ "Could not allocate bulk_in_buffer\n");
goto error;
}
}
}
}
if (!(dev->bulk_in_endpointAddr && dev->bulk_out_endpointAddr)) {
- err("Could not find both bulk-in and bulk-out endpoints");
+ dev_err(&interface->dev,
+ "Could not find both bulk-in and bulk-out endpoints\n");
goto error;
}
retval = usb_register_dev(interface, &lcd_class);
if (retval) {
/* something prevented us from registering this driver */
- err("Not able to get a minor for this device.");
+ dev_err(&interface->dev,
+ "Not able to get a minor for this device.\n");
usb_set_intfdata(interface, NULL);
goto error;
}
priv = rq->priv;
pp = priv->pp;
if (status) {
- err("async_complete: urb error %d", status);
+ dev_err(&urb->dev->dev, "async_complete: urb error %d\n",
+ status);
} else if (rq->dr.bRequest == 3) {
memcpy(priv->reg, rq->reg, sizeof(priv->reg));
#if 0
return NULL;
rq = kmalloc(sizeof(struct uss720_async_request), mem_flags);
if (!rq) {
- err("submit_async_request out of memory");
+ dev_err(&usbdev->dev, "submit_async_request out of memory\n");
return NULL;
}
kref_init(&rq->ref_count);
rq->urb = usb_alloc_urb(0, mem_flags);
if (!rq->urb) {
kref_put(&rq->ref_count, destroy_async);
- err("submit_async_request out of memory");
+ dev_err(&usbdev->dev, "submit_async_request out of memory\n");
return NULL;
}
rq->dr.bRequestType = requesttype;
if (!ret)
return rq;
destroy_async(&rq->ref_count);
- err("submit_async_request submit_urb failed with %d", ret);
+ dev_err(&usbdev->dev, "submit_async_request submit_urb failed with %d\n", ret);
return NULL;
}
priv = pp->private_data;
rq = submit_async_request(priv, 3, 0xc0, ((unsigned int)reg) << 8, 0, mem_flags);
if (!rq) {
- err("get_1284_register(%u) failed", (unsigned int)reg);
+ dev_err(&priv->usbdev->dev, "get_1284_register(%u) failed",
+ (unsigned int)reg);
return -EIO;
}
if (!val) {
priv = pp->private_data;
rq = submit_async_request(priv, 4, 0x40, (((unsigned int)reg) << 8) | val, 0, mem_flags);
if (!rq) {
- err("set_1284_register(%u,%u) failed", (unsigned int)reg, (unsigned int)val);
+ dev_err(&priv->usbdev->dev, "set_1284_register(%u,%u) failed",
+ (unsigned int)reg, (unsigned int)val);
return -EIO;
}
kref_put(&rq->ref_count, destroy_async);
int status = urb->status;
if (status) {
- err("%s - control failed: %d\n", __func__, status);
+ dev_err(&urb->dev->dev, "%s - control failed: %d\n",
+ __func__, status);
wake_up_interruptible(&dev->waitq);
return;
}
case 0: /*success*/
break;
case -EOVERFLOW:
- err("%s - overflow with length %d, actual length is %d",
- __func__, YUREX_BUF_SIZE, dev->urb->actual_length);
+ dev_err(&dev->interface->dev,
+ "%s - overflow with length %d, actual length is %d\n",
+ __func__, YUREX_BUF_SIZE, dev->urb->actual_length);
case -ECONNRESET:
case -ENOENT:
case -ESHUTDOWN:
/* The device is terminated, clean up */
return;
default:
- err("%s - unknown status received: %d", __func__, status);
+ dev_err(&dev->interface->dev,
+ "%s - unknown status received: %d\n", __func__, status);
goto exit;
}
exit:
retval = usb_submit_urb(dev->urb, GFP_ATOMIC);
if (retval) {
- err("%s - usb_submit_urb failed: %d",
+ dev_err(&dev->interface->dev, "%s - usb_submit_urb failed: %d\n",
__func__, retval);
}
}
/* allocate memory for our device state and initialize it */
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) {
- err("Out of memory");
+ dev_err(&interface->dev, "Out of memory\n");
goto error;
}
kref_init(&dev->kref);
}
if (!dev->int_in_endpointAddr) {
retval = -ENODEV;
- err("Could not find endpoints");
+ dev_err(&interface->dev, "Could not find endpoints\n");
goto error;
}
/* allocate control URB */
dev->cntl_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->cntl_urb) {
- err("Could not allocate control URB");
+ dev_err(&interface->dev, "Could not allocate control URB\n");
goto error;
}
/* allocate buffer for control req */
dev->cntl_req = kmalloc(YUREX_BUF_SIZE, GFP_KERNEL);
if (!dev->cntl_req) {
- err("Could not allocate cntl_req");
+ dev_err(&interface->dev, "Could not allocate cntl_req\n");
goto error;
}
GFP_KERNEL,
&dev->cntl_urb->transfer_dma);
if (!dev->cntl_buffer) {
- err("Could not allocate cntl_buffer");
+ dev_err(&interface->dev, "Could not allocate cntl_buffer\n");
goto error;
}
/* allocate interrupt URB */
dev->urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->urb) {
- err("Could not allocate URB");
+ dev_err(&interface->dev, "Could not allocate URB\n");
goto error;
}
dev->int_buffer = usb_alloc_coherent(dev->udev, YUREX_BUF_SIZE,
GFP_KERNEL, &dev->urb->transfer_dma);
if (!dev->int_buffer) {
- err("Could not allocate int_buffer");
+ dev_err(&interface->dev, "Could not allocate int_buffer\n");
goto error;
}
dev->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
if (usb_submit_urb(dev->urb, GFP_KERNEL)) {
retval = -EIO;
- err("Could not submitting URB");
+ dev_err(&interface->dev, "Could not submitting URB\n");
goto error;
}
/* we can register the device now, as it is ready */
retval = usb_register_dev(interface, &yurex_class);
if (retval) {
- err("Not able to get a minor for this device.");
+ dev_err(&interface->dev,
+ "Not able to get a minor for this device.\n");
usb_set_intfdata(interface, NULL);
goto error;
}
interface = usb_find_interface(&yurex_driver, subminor);
if (!interface) {
- err("%s - error, can't find device for minor %d",
- __func__, subminor);
+ printk(KERN_ERR "%s - error, can't find device for minor %d",
+ __func__, subminor);
retval = -ENODEV;
goto exit;
}
mutex_unlock(&dev->io_mutex);
if (retval < 0) {
- err("%s - failed to send bulk msg, error %d", __func__, retval);
+ dev_err(&dev->interface->dev,
+ "%s - failed to send bulk msg, error %d\n",
+ __func__, retval);
goto error;
}
if (set && timeout)
serial = usb_serial_get_by_index(co->index);
if (serial == NULL) {
/* no device is connected yet, sorry :( */
- err("No USB device connected to ttyUSB%i", co->index);
+ printk(KERN_ERR "No USB device connected to ttyUSB%i\n",
+ co->index);
return -ENODEV;
}
tty = kzalloc(sizeof(*tty), GFP_KERNEL);
if (!tty) {
retval = -ENOMEM;
- err("no more memory");
+ dev_err(&port->dev, "no more memory\n");
goto reset_open_count;
}
kref_init(&tty->kref);
tty->index = co->index;
if (tty_init_termios(tty)) {
retval = -ENOMEM;
- err("no more memory");
+ dev_err(&port->dev, "no more memory\n");
goto free_tty;
}
}
retval = usb_serial_generic_open(NULL, port);
if (retval) {
- err("could not open USB console port");
+ dev_err(&port->dev, "could not open USB console port\n");
goto fail;
}
{
int baud_rate;
struct tty_struct *tty = tty_port_tty_get(&port->port->port);
+ struct usb_serial *serial = port->port->serial;
wait_queue_t wait;
unsigned long flags;
set_current_state(TASK_INTERRUPTIBLE);
if (kfifo_len(&port->write_fifo) == 0
|| timeout == 0 || signal_pending(current)
- || !usb_get_intfdata(port->port->serial->interface))
+ || serial->disconnected)
/* disconnect */
break;
spin_unlock_irqrestore(&port->ep_lock, flags);
/* wait for data to drain from the device */
timeout += jiffies;
while ((long)(jiffies - timeout) < 0 && !signal_pending(current)
- && usb_get_intfdata(port->port->serial->interface)) {
+ && !serial->disconnected) {
/* not disconnected */
if (!tx_active(port))
break;
}
/* disconnected */
- if (!usb_get_intfdata(port->port->serial->interface))
+ if (serial->disconnected)
return;
/* wait one more character time, based on baud rate */
{
struct edgeport_serial *edge_serial;
struct edgeport_port *edge_port;
+ struct usb_serial *serial = port->serial;
int port_number;
- int status;
dbg("%s - port %d", __func__, port->number);
* send a close port command to it */
dbg("%s - send umpc_close_port", __func__);
port_number = port->number - port->serial->minor;
- status = send_cmd(port->serial->dev,
+
+ mutex_lock(&serial->disc_mutex);
+ if (!serial->disconnected) {
+ send_cmd(serial->dev,
UMPC_CLOSE_PORT,
(__u8)(UMPM_UART1_PORT + port_number),
0,
NULL,
0);
+ }
+ mutex_unlock(&serial->disc_mutex);
+
mutex_lock(&edge_serial->es_lock);
--edge_port->edge_serial->num_ports_open;
if (edge_port->edge_serial->num_ports_open <= 0) {
#define DRIVER_AUTHOR "Ganesh Varadarajan <ganesh@veritas.com>"
#define DRIVER_DESC "USB PocketPC PDA driver"
-static __u16 product, vendor;
static bool debug;
static int connect_retries = KP_RETRIES;
static int initial_wait;
static int ipaq_startup(struct usb_serial *serial);
static struct usb_device_id ipaq_id_table [] = {
- /* The first entry is a placeholder for the insmod-specified device */
- { USB_DEVICE(0x049F, 0x0003) },
{ USB_DEVICE(0x0104, 0x00BE) }, /* Socket USB Sync */
{ USB_DEVICE(0x03F0, 0x1016) }, /* HP USB Sync */
{ USB_DEVICE(0x03F0, 0x1116) }, /* HP USB Sync 1611 */
return usb_reset_configuration(serial->dev);
}
-static int __init ipaq_init(void)
-{
- int retval;
-
- if (vendor) {
- ipaq_id_table[0].idVendor = vendor;
- ipaq_id_table[0].idProduct = product;
- }
-
- retval = usb_serial_register_drivers(&ipaq_driver, serial_drivers);
- if (retval == 0)
- printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
- DRIVER_DESC "\n");
- return retval;
-}
-
-static void __exit ipaq_exit(void)
-{
- usb_serial_deregister_drivers(&ipaq_driver, serial_drivers);
-}
-
-
-module_init(ipaq_init);
-module_exit(ipaq_exit);
+module_usb_serial_driver(ipaq_driver, serial_drivers);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug enabled or not");
-module_param(vendor, ushort, 0);
-MODULE_PARM_DESC(vendor, "User specified USB idVendor");
-
-module_param(product, ushort, 0);
-MODULE_PARM_DESC(product, "User specified USB idProduct");
-
module_param(connect_retries, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(connect_retries,
"Maximum number of connect retries (one second each)");
#include <linux/tty_flip.h>
#include <linux/moduleparam.h>
#include <linux/spinlock.h>
-#include <linux/errno.h>
#include <linux/uaccess.h>
#include <linux/usb/serial.h>
/* Input parameter constants. */
static bool debug;
+/* UNI-Directional mode commands for device configure */
+#define UNI_CMD_OPEN 0x80
+#define UNI_CMD_CLOSE 0xFF
+
+inline int metrousb_is_unidirectional_mode(struct usb_serial_port *port)
+{
+ __u16 product_id = le16_to_cpu(
+ port->serial->dev->descriptor.idProduct);
+
+ return product_id == FOCUS_PRODUCT_ID_UNI;
+}
+
+static int metrousb_send_unidirectional_cmd(u8 cmd, struct usb_serial_port *port)
+{
+ int ret;
+ int actual_len;
+ u8 *buffer_cmd = NULL;
+
+ if (!metrousb_is_unidirectional_mode(port))
+ return 0;
+
+ buffer_cmd = kzalloc(sizeof(cmd), GFP_KERNEL);
+ if (!buffer_cmd)
+ return -ENOMEM;
+
+ *buffer_cmd = cmd;
+
+ ret = usb_interrupt_msg(port->serial->dev,
+ usb_sndintpipe(port->serial->dev, port->interrupt_out_endpointAddress),
+ buffer_cmd, sizeof(cmd),
+ &actual_len, USB_CTRL_SET_TIMEOUT);
+
+ kfree(buffer_cmd);
+
+ if (ret < 0)
+ return ret;
+ else if (actual_len != sizeof(cmd))
+ return -EIO;
+ return 0;
+}
+
static void metrousb_read_int_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
/* urb has been terminated. */
dev_dbg(&port->dev,
"%s - urb shutting down, error code=%d\n",
- __func__, result);
+ __func__, urb->status);
return;
default:
dev_dbg(&port->dev,
"%s - non-zero urb received, error code=%d\n",
- __func__, result);
+ __func__, urb->status);
goto exit;
}
/* Set the data read from the usb port into the serial port buffer. */
tty = tty_port_tty_get(&port->port);
if (!tty) {
- dev_dbg(&port->dev, "%s - bad tty pointer - exiting\n",
+ dev_err(&port->dev, "%s - bad tty pointer - exiting\n",
__func__);
return;
}
result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
if (result)
- dev_dbg(&port->dev,
+ dev_err(&port->dev,
"%s - failed submitting interrupt in urb, error code=%d\n",
__func__, result);
}
/* Try to resubmit the urb. */
result = usb_submit_urb(urb, GFP_ATOMIC);
if (result)
- dev_dbg(&port->dev,
+ dev_err(&port->dev,
"%s - failed submitting interrupt in urb, error code=%d\n",
__func__, result);
}
+static void metrousb_write_int_callback(struct urb *urb)
+{
+ struct usb_serial_port *port = urb->context;
+
+ dev_warn(&port->dev, "%s not implemented yet.\n",
+ __func__);
+}
+
static void metrousb_cleanup(struct usb_serial_port *port)
{
dev_dbg(&port->dev, "%s\n", __func__);
usb_unlink_urb(port->interrupt_in_urb);
usb_kill_urb(port->interrupt_in_urb);
}
+
+ /* Send deactivate cmd to device */
+ metrousb_send_unidirectional_cmd(UNI_CMD_CLOSE, port);
}
}
/* Make sure the urb is initialized. */
if (!port->interrupt_in_urb) {
- dev_dbg(&port->dev, "%s - interrupt urb not initialized\n",
+ dev_err(&port->dev, "%s - interrupt urb not initialized\n",
__func__);
return -ENODEV;
}
result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (result) {
- dev_dbg(&port->dev,
+ dev_err(&port->dev,
"%s - failed submitting interrupt in urb, error code=%d\n",
__func__, result);
goto exit;
}
+ /* Send activate cmd to device */
+ result = metrousb_send_unidirectional_cmd(UNI_CMD_OPEN, port);
+ if (result) {
+ dev_err(&port->dev,
+ "%s - failed to configure device for port number=%d, error code=%d\n",
+ __func__, port->number, result);
+ goto exit;
+ }
+
dev_dbg(&port->dev, "%s - port open\n", __func__);
exit:
return result;
METROUSB_SET_REQUEST_TYPE, METROUSB_SET_MODEM_CTRL_REQUEST,
control_state, 0, NULL, 0, WDR_TIMEOUT);
if (retval < 0)
- dev_dbg(&serial->dev->dev,
+ dev_err(&serial->dev->dev,
"%s - set modem ctrl=0x%x failed, error code=%d\n",
__func__, mcr, retval);
port->interrupt_in_urb->dev = port->serial->dev;
result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
if (result)
- dev_dbg(tty->dev,
+ dev_err(tty->dev,
"failed submitting interrupt in urb error code=%d\n",
result);
}
.owner = THIS_MODULE,
.name = "metro-usb",
},
- .description = "Metrologic USB to serial converter.",
+ .description = "Metrologic USB to Serial",
.id_table = id_table,
.num_ports = 1,
.open = metrousb_open,
.close = metrousb_cleanup,
.read_int_callback = metrousb_read_int_callback,
+ .write_int_callback = metrousb_write_int_callback,
.attach = metrousb_startup,
.release = metrousb_shutdown,
.throttle = metrousb_throttle,
#define USB_VENDOR_ID_MOSCHIP 0x9710
#define MOSCHIP_DEVICE_ID_7840 0x7840
#define MOSCHIP_DEVICE_ID_7820 0x7820
+#define MOSCHIP_DEVICE_ID_7810 0x7810
/* The native component can have its vendor/device id's overridden
* in vendor-specific implementations. Such devices can be handled
* by making a change here, in moschip_port_id_table, and in
#define NUM_URBS 16 /* URB Count */
#define URB_TRANSFER_BUFFER_SIZE 32 /* URB Size */
+/* LED on/off milliseconds*/
+#define LED_ON_MS 500
+#define LED_OFF_MS 500
+
+static int device_type;
static const struct usb_device_id moschip_port_id_table[] = {
{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7840)},
{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)},
+ {USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7810)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USO9ML2_2)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USO9ML2_2P)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USO9ML2_4)},
static const struct usb_device_id moschip_id_table_combined[] __devinitconst = {
{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7840)},
{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)},
+ {USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7810)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USO9ML2_2)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USO9ML2_2P)},
{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USO9ML2_4)},
struct urb *write_urb_pool[NUM_URBS];
char busy[NUM_URBS];
bool read_urb_busy;
-};
+ /* For device(s) with LED indicator */
+ bool has_led;
+ bool led_flag;
+ struct timer_list led_timer1; /* Timer for LED on */
+ struct timer_list led_timer2; /* Timer for LED off */
+};
static bool debug;
return ret;
}
+static void mos7840_set_led_callback(struct urb *urb)
+{
+ switch (urb->status) {
+ case 0:
+ /* Success */
+ break;
+ case -ECONNRESET:
+ case -ENOENT:
+ case -ESHUTDOWN:
+ /* This urb is terminated, clean up */
+ dbg("%s - urb shutting down with status: %d", __func__,
+ urb->status);
+ break;
+ default:
+ dbg("%s - nonzero urb status received: %d", __func__,
+ urb->status);
+ }
+}
+
+static void mos7840_set_led_async(struct moschip_port *mcs, __u16 wval,
+ __u16 reg)
+{
+ struct usb_device *dev = mcs->port->serial->dev;
+ struct usb_ctrlrequest *dr = mcs->dr;
+
+ dr->bRequestType = MCS_WR_RTYPE;
+ dr->bRequest = MCS_WRREQ;
+ dr->wValue = cpu_to_le16(wval);
+ dr->wIndex = cpu_to_le16(reg);
+ dr->wLength = cpu_to_le16(0);
+
+ usb_fill_control_urb(mcs->control_urb, dev, usb_sndctrlpipe(dev, 0),
+ (unsigned char *)dr, NULL, 0, mos7840_set_led_callback, NULL);
+
+ usb_submit_urb(mcs->control_urb, GFP_ATOMIC);
+}
+
+static void mos7840_set_led_sync(struct usb_serial_port *port, __u16 reg,
+ __u16 val)
+{
+ struct usb_device *dev = port->serial->dev;
+
+ usb_control_msg(dev, usb_sndctrlpipe(dev, 0), MCS_WRREQ, MCS_WR_RTYPE,
+ val, reg, NULL, 0, MOS_WDR_TIMEOUT);
+}
+
+static void mos7840_led_off(unsigned long arg)
+{
+ struct moschip_port *mcs = (struct moschip_port *) arg;
+
+ /* Turn off LED */
+ mos7840_set_led_async(mcs, 0x0300, MODEM_CONTROL_REGISTER);
+ mod_timer(&mcs->led_timer2,
+ jiffies + msecs_to_jiffies(LED_OFF_MS));
+}
+
+static void mos7840_led_flag_off(unsigned long arg)
+{
+ struct moschip_port *mcs = (struct moschip_port *) arg;
+
+ mcs->led_flag = false;
+}
+
/*****************************************************************************
* mos7840_interrupt_callback
* this is the callback function for when we have received data on the
return;
}
+ /* Turn on LED */
+ if (mos7840_port->has_led && !mos7840_port->led_flag) {
+ mos7840_port->led_flag = true;
+ mos7840_set_led_async(mos7840_port, 0x0301,
+ MODEM_CONTROL_REGISTER);
+ mod_timer(&mos7840_port->led_timer1,
+ jiffies + msecs_to_jiffies(LED_ON_MS));
+ }
mos7840_port->read_urb_busy = true;
retval = usb_submit_urb(mos7840_port->read_urb, GFP_ATOMIC);
data1 = urb->transfer_buffer;
dbg("bulkout endpoint is %d", port->bulk_out_endpointAddress);
+ /* Turn on LED */
+ if (mos7840_port->has_led && !mos7840_port->led_flag) {
+ mos7840_port->led_flag = true;
+ mos7840_set_led_sync(port, MODEM_CONTROL_REGISTER, 0x0301);
+ mod_timer(&mos7840_port->led_timer1,
+ jiffies + msecs_to_jiffies(LED_ON_MS));
+ }
+
/* send it down the pipe */
status = usb_submit_urb(urb, GFP_ATOMIC);
return -ENOIOCTLCMD;
}
+static int mos7810_check(struct usb_serial *serial)
+{
+ int i, pass_count = 0;
+ __u16 data = 0, mcr_data = 0;
+ __u16 test_pattern = 0x55AA;
+
+ /* Store MCR setting */
+ usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+ MCS_RDREQ, MCS_RD_RTYPE, 0x0300, MODEM_CONTROL_REGISTER,
+ &mcr_data, VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+
+ for (i = 0; i < 16; i++) {
+ /* Send the 1-bit test pattern out to MCS7810 test pin */
+ usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
+ MCS_WRREQ, MCS_WR_RTYPE,
+ (0x0300 | (((test_pattern >> i) & 0x0001) << 1)),
+ MODEM_CONTROL_REGISTER, NULL, 0, MOS_WDR_TIMEOUT);
+
+ /* Read the test pattern back */
+ usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+ MCS_RDREQ, MCS_RD_RTYPE, 0, GPIO_REGISTER, &data,
+ VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+
+ /* If this is a MCS7810 device, both test patterns must match */
+ if (((test_pattern >> i) ^ (~data >> 1)) & 0x0001)
+ break;
+
+ pass_count++;
+ }
+
+ /* Restore MCR setting */
+ usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), MCS_WRREQ,
+ MCS_WR_RTYPE, 0x0300 | mcr_data, MODEM_CONTROL_REGISTER, NULL,
+ 0, MOS_WDR_TIMEOUT);
+
+ if (pass_count == 16)
+ return 1;
+
+ return 0;
+}
+
static int mos7840_calc_num_ports(struct usb_serial *serial)
{
- __u16 Data = 0x00;
- int ret = 0;
+ __u16 data = 0x00;
int mos7840_num_ports;
- ret = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
- MCS_RDREQ, MCS_RD_RTYPE, 0, GPIO_REGISTER, &Data,
+ usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+ MCS_RDREQ, MCS_RD_RTYPE, 0, GPIO_REGISTER, &data,
VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
- if ((Data & 0x01) == 0) {
- mos7840_num_ports = 2;
- serial->num_bulk_in = 2;
- serial->num_bulk_out = 2;
- serial->num_ports = 2;
+ if (serial->dev->descriptor.idProduct == MOSCHIP_DEVICE_ID_7810 ||
+ serial->dev->descriptor.idProduct == MOSCHIP_DEVICE_ID_7820) {
+ device_type = serial->dev->descriptor.idProduct;
} else {
- mos7840_num_ports = 4;
- serial->num_bulk_in = 4;
- serial->num_bulk_out = 4;
- serial->num_ports = 4;
+ /* For a MCS7840 device GPIO0 must be set to 1 */
+ if ((data & 0x01) == 1)
+ device_type = MOSCHIP_DEVICE_ID_7840;
+ else if (mos7810_check(serial))
+ device_type = MOSCHIP_DEVICE_ID_7810;
+ else
+ device_type = MOSCHIP_DEVICE_ID_7820;
}
+ mos7840_num_ports = (device_type >> 4) & 0x000F;
+ serial->num_bulk_in = mos7840_num_ports;
+ serial->num_bulk_out = mos7840_num_ports;
+ serial->num_ports = mos7840_num_ports;
+
return mos7840_num_ports;
}
status = -ENOMEM;
goto error;
}
+
+ mos7840_port->has_led = false;
+
+ /* Initialize LED timers */
+ if (device_type == MOSCHIP_DEVICE_ID_7810) {
+ mos7840_port->has_led = true;
+
+ init_timer(&mos7840_port->led_timer1);
+ mos7840_port->led_timer1.function = mos7840_led_off;
+ mos7840_port->led_timer1.expires =
+ jiffies + msecs_to_jiffies(LED_ON_MS);
+ mos7840_port->led_timer1.data =
+ (unsigned long)mos7840_port;
+
+ init_timer(&mos7840_port->led_timer2);
+ mos7840_port->led_timer2.function =
+ mos7840_led_flag_off;
+ mos7840_port->led_timer2.expires =
+ jiffies + msecs_to_jiffies(LED_OFF_MS);
+ mos7840_port->led_timer2.data =
+ (unsigned long)mos7840_port;
+
+ mos7840_port->led_flag = false;
+
+ /* Turn off LED */
+ mos7840_set_led_sync(serial->port[i],
+ MODEM_CONTROL_REGISTER, 0x0300);
+ }
}
dbg ("mos7840_startup: all ports configured...........");
mos7840_port = mos7840_get_port_private(serial->port[i]);
dbg("mos7840_port %d = %p", i, mos7840_port);
if (mos7840_port) {
+ if (mos7840_port->has_led) {
+ /* Turn off LED */
+ mos7840_set_led_sync(mos7840_port->port,
+ MODEM_CONTROL_REGISTER, 0x0300);
+
+ del_timer_sync(&mos7840_port->led_timer1);
+ del_timer_sync(&mos7840_port->led_timer2);
+ }
kfree(mos7840_port->ctrl_buf);
kfree(mos7840_port->dr);
kfree(mos7840_port);
req_pkt->bRequestType, req_pkt->bRequest);
}
} else
- err("%s: error %d", __func__, status);
+ dev_err(&port->dev, "%s: error %d\n", __func__, status);
/* Resubmit urb so we continue receiving IRQ data */
if (status != -ESHUTDOWN && status != -ENOENT) {
/* if we have only 1 configuration, download firmware */
if (dev->descriptor.bNumConfigurations == 1) {
- if ((status = ti_download_firmware(tdev)) != 0)
+ status = ti_download_firmware(tdev);
+
+ if (status != 0)
goto free_tdev;
/* 3410 must be reset, 5052 resets itself */
/* try ID specific firmware first, then try generic firmware */
sprintf(buf, "ti_usb-v%04x-p%04x.fw", dev->descriptor.idVendor,
dev->descriptor.idProduct);
- if ((status = request_firmware(&fw_p, buf, &dev->dev)) != 0) {
+ status = request_firmware(&fw_p, buf, &dev->dev);
+
+ if (status != 0) {
buf[0] = '\0';
if (dev->descriptor.idVendor == MTS_VENDOR_ID) {
switch (dev->descriptor.idProduct) {
err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
dbg("Submitted interrupt URB for port %d (result %d)", i, err);
if (err < 0) {
- err("%s: Error %d for interrupt URB of port%d",
- __func__, err, i);
+ dev_err(&port->dev, "%s: Error %d for interrupt URB\n",
+ __func__, err);
goto err_out;
}
}
urb = portdata->in_urbs[j];
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
- err("%s: Error %d for bulk URB %d",
- __func__, err, i);
+ dev_err(&port->dev, "%s: Error %d for bulk URB %d\n",
+ __func__, err, i);
spin_unlock_irq(&intfdata->susp_lock);
goto err_out;
}
/* Parameters that may be passed into the module. */
static bool debug;
-static __u16 vendor;
-static __u16 product;
static struct usb_device_id id_table [] = {
{ USB_DEVICE(HANDSPRING_VENDOR_ID, HANDSPRING_VISOR_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
{ USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
- { }, /* optional parameter entry */
{ } /* Terminating entry */
};
static struct usb_device_id clie_id_5_table [] = {
{ USB_DEVICE(SONY_VENDOR_ID, SONY_CLIE_UX50_ID),
.driver_info = (kernel_ulong_t)&palm_os_4_probe },
- { }, /* optional parameter entry */
{ } /* Terminating entry */
};
{ USB_DEVICE(ACEECA_VENDOR_ID, ACEECA_MEZ1000_ID) },
{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_7135_ID) },
{ USB_DEVICE(FOSSIL_VENDOR_ID, FOSSIL_ABACUS_ID) },
- { }, /* optional parameter entry */
{ } /* Terminating entry */
};
return 0;
}
-static int __init visor_init(void)
-{
- int i, retval;
- /* Only if parameters were passed to us */
- if (vendor > 0 && product > 0) {
- struct usb_device_id usb_dev_temp[] = {
- {
- USB_DEVICE(vendor, product),
- .driver_info =
- (kernel_ulong_t) &palm_os_4_probe
- }
- };
-
- /* Find the last entry in id_table */
- for (i = 0;; i++) {
- if (id_table[i].idVendor == 0) {
- id_table[i] = usb_dev_temp[0];
- break;
- }
- }
- /* Find the last entry in id_table_combined */
- for (i = 0;; i++) {
- if (id_table_combined[i].idVendor == 0) {
- id_table_combined[i] = usb_dev_temp[0];
- break;
- }
- }
- printk(KERN_INFO KBUILD_MODNAME
- ": Untested USB device specified at time of module insertion\n");
- printk(KERN_INFO KBUILD_MODNAME
- ": Warning: This is not guaranteed to work\n");
- printk(KERN_INFO KBUILD_MODNAME
- ": Using a newer kernel is preferred to this method\n");
- printk(KERN_INFO KBUILD_MODNAME
- ": Adding Palm OS protocol 4.x support for unknown device: 0x%x/0x%x\n",
- vendor, product);
- }
-
- retval = usb_serial_register_drivers(&visor_driver, serial_drivers);
- if (retval == 0)
- printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
- return retval;
-}
-
-
-static void __exit visor_exit (void)
-{
- usb_serial_deregister_drivers(&visor_driver, serial_drivers);
-}
-
-
-module_init(visor_init);
-module_exit(visor_exit);
+module_usb_serial_driver(visor_driver, serial_drivers);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug enabled or not");
-
-module_param(vendor, ushort, 0);
-MODULE_PARM_DESC(vendor, "User specified vendor ID");
-module_param(product, ushort, 0);
-MODULE_PARM_DESC(product, "User specified product ID");
-
/*
* Version Information
*/
-#define DRIVER_VERSION "v2.0"
#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Stuart MacDonald <stuartm@connecttech.com>"
#define DRIVER_DESC "USB ConnectTech WhiteHEAT driver"
static int whiteheat_open(struct tty_struct *tty,
struct usb_serial_port *port);
static void whiteheat_close(struct usb_serial_port *port);
-static int whiteheat_write(struct tty_struct *tty,
- struct usb_serial_port *port,
- const unsigned char *buf, int count);
-static int whiteheat_write_room(struct tty_struct *tty);
static int whiteheat_ioctl(struct tty_struct *tty,
unsigned int cmd, unsigned long arg);
static void whiteheat_set_termios(struct tty_struct *tty,
static int whiteheat_tiocmset(struct tty_struct *tty,
unsigned int set, unsigned int clear);
static void whiteheat_break_ctl(struct tty_struct *tty, int break_state);
-static int whiteheat_chars_in_buffer(struct tty_struct *tty);
-static void whiteheat_throttle(struct tty_struct *tty);
-static void whiteheat_unthrottle(struct tty_struct *tty);
-static void whiteheat_read_callback(struct urb *urb);
-static void whiteheat_write_callback(struct urb *urb);
static struct usb_serial_driver whiteheat_fake_device = {
.driver = {
.release = whiteheat_release,
.open = whiteheat_open,
.close = whiteheat_close,
- .write = whiteheat_write,
- .write_room = whiteheat_write_room,
.ioctl = whiteheat_ioctl,
.set_termios = whiteheat_set_termios,
.break_ctl = whiteheat_break_ctl,
.tiocmget = whiteheat_tiocmget,
.tiocmset = whiteheat_tiocmset,
- .chars_in_buffer = whiteheat_chars_in_buffer,
- .throttle = whiteheat_throttle,
- .unthrottle = whiteheat_unthrottle,
- .read_bulk_callback = whiteheat_read_callback,
- .write_bulk_callback = whiteheat_write_callback,
+ .throttle = usb_serial_generic_throttle,
+ .unthrottle = usb_serial_generic_unthrottle,
};
static struct usb_serial_driver * const serial_drivers[] = {
__u8 result_buffer[64];
};
-
-#define THROTTLED 0x01
-#define ACTUALLY_THROTTLED 0x02
-
-static int urb_pool_size = 8;
-
-struct whiteheat_urb_wrap {
- struct list_head list;
- struct urb *urb;
-};
-
struct whiteheat_private {
- spinlock_t lock;
- __u8 flags;
__u8 mcr; /* FIXME: no locking on mcr */
- struct list_head rx_urbs_free;
- struct list_head rx_urbs_submitted;
- struct list_head rx_urb_q;
- struct work_struct rx_work;
- struct usb_serial_port *port;
- struct list_head tx_urbs_free;
- struct list_head tx_urbs_submitted;
- struct mutex deathwarrant;
};
static void command_port_write_callback(struct urb *urb);
static void command_port_read_callback(struct urb *urb);
-static int start_port_read(struct usb_serial_port *port);
-static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb,
- struct list_head *head);
-static struct list_head *list_first(struct list_head *head);
-static void rx_data_softint(struct work_struct *work);
-
static int firm_send_command(struct usb_serial_port *port, __u8 command,
__u8 *data, __u8 datasize);
static int firm_open(struct usb_serial_port *port);
__u8 *command;
__u8 *result;
int i;
- int j;
- struct urb *urb;
- int buf_size;
- struct whiteheat_urb_wrap *wrap;
- struct list_head *tmp;
command_port = serial->port[COMMAND_PORT];
hw_info = (struct whiteheat_hw_info *)&result[1];
- dev_info(&serial->dev->dev, "%s: Driver %s: Firmware v%d.%02d\n",
- serial->type->description, DRIVER_VERSION,
+ dev_info(&serial->dev->dev, "%s: Firmware v%d.%02d\n",
+ serial->type->description,
hw_info->sw_major_rev, hw_info->sw_minor_rev);
for (i = 0; i < serial->num_ports; i++) {
goto no_private;
}
- spin_lock_init(&info->lock);
- mutex_init(&info->deathwarrant);
- info->flags = 0;
info->mcr = 0;
- INIT_WORK(&info->rx_work, rx_data_softint);
- info->port = port;
-
- INIT_LIST_HEAD(&info->rx_urbs_free);
- INIT_LIST_HEAD(&info->rx_urbs_submitted);
- INIT_LIST_HEAD(&info->rx_urb_q);
- INIT_LIST_HEAD(&info->tx_urbs_free);
- INIT_LIST_HEAD(&info->tx_urbs_submitted);
-
- for (j = 0; j < urb_pool_size; j++) {
- urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!urb) {
- dev_err(&port->dev, "No free urbs available\n");
- goto no_rx_urb;
- }
- buf_size = port->read_urb->transfer_buffer_length;
- urb->transfer_buffer = kmalloc(buf_size, GFP_KERNEL);
- if (!urb->transfer_buffer) {
- dev_err(&port->dev,
- "Couldn't allocate urb buffer\n");
- goto no_rx_buf;
- }
- wrap = kmalloc(sizeof(*wrap), GFP_KERNEL);
- if (!wrap) {
- dev_err(&port->dev,
- "Couldn't allocate urb wrapper\n");
- goto no_rx_wrap;
- }
- usb_fill_bulk_urb(urb, serial->dev,
- usb_rcvbulkpipe(serial->dev,
- port->bulk_in_endpointAddress),
- urb->transfer_buffer, buf_size,
- whiteheat_read_callback, port);
- wrap->urb = urb;
- list_add(&wrap->list, &info->rx_urbs_free);
-
- urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!urb) {
- dev_err(&port->dev, "No free urbs available\n");
- goto no_tx_urb;
- }
- buf_size = port->write_urb->transfer_buffer_length;
- urb->transfer_buffer = kmalloc(buf_size, GFP_KERNEL);
- if (!urb->transfer_buffer) {
- dev_err(&port->dev,
- "Couldn't allocate urb buffer\n");
- goto no_tx_buf;
- }
- wrap = kmalloc(sizeof(*wrap), GFP_KERNEL);
- if (!wrap) {
- dev_err(&port->dev,
- "Couldn't allocate urb wrapper\n");
- goto no_tx_wrap;
- }
- usb_fill_bulk_urb(urb, serial->dev,
- usb_sndbulkpipe(serial->dev,
- port->bulk_out_endpointAddress),
- urb->transfer_buffer, buf_size,
- whiteheat_write_callback, port);
- wrap->urb = urb;
- list_add(&wrap->list, &info->tx_urbs_free);
- }
usb_set_serial_port_data(port, info);
}
for (i = serial->num_ports - 1; i >= 0; i--) {
port = serial->port[i];
info = usb_get_serial_port_data(port);
- for (j = urb_pool_size - 1; j >= 0; j--) {
- tmp = list_first(&info->tx_urbs_free);
- list_del(tmp);
- wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
- urb = wrap->urb;
- kfree(wrap);
-no_tx_wrap:
- kfree(urb->transfer_buffer);
-no_tx_buf:
- usb_free_urb(urb);
-no_tx_urb:
- tmp = list_first(&info->rx_urbs_free);
- list_del(tmp);
- wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
- urb = wrap->urb;
- kfree(wrap);
-no_rx_wrap:
- kfree(urb->transfer_buffer);
-no_rx_buf:
- usb_free_urb(urb);
-no_rx_urb:
- ;
- }
kfree(info);
no_private:
;
static void whiteheat_release(struct usb_serial *serial)
{
struct usb_serial_port *command_port;
- struct usb_serial_port *port;
struct whiteheat_private *info;
- struct whiteheat_urb_wrap *wrap;
- struct urb *urb;
- struct list_head *tmp;
- struct list_head *tmp2;
int i;
dbg("%s", __func__);
kfree(usb_get_serial_port_data(command_port));
for (i = 0; i < serial->num_ports; i++) {
- port = serial->port[i];
- info = usb_get_serial_port_data(port);
- list_for_each_safe(tmp, tmp2, &info->rx_urbs_free) {
- list_del(tmp);
- wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
- urb = wrap->urb;
- kfree(wrap);
- kfree(urb->transfer_buffer);
- usb_free_urb(urb);
- }
- list_for_each_safe(tmp, tmp2, &info->tx_urbs_free) {
- list_del(tmp);
- wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
- urb = wrap->urb;
- kfree(wrap);
- kfree(urb->transfer_buffer);
- usb_free_urb(urb);
- }
+ info = usb_get_serial_port_data(serial->port[i]);
kfree(info);
}
}
static int whiteheat_open(struct tty_struct *tty, struct usb_serial_port *port)
{
- int retval = 0;
+ int retval;
dbg("%s - port %d", __func__, port->number);
if (retval)
goto exit;
- if (tty)
- tty->low_latency = 1;
-
/* send an open port command */
retval = firm_open(port);
if (retval) {
usb_clear_halt(port->serial->dev, port->read_urb->pipe);
usb_clear_halt(port->serial->dev, port->write_urb->pipe);
- /* Start reading from the device */
- retval = start_port_read(port);
+ retval = usb_serial_generic_open(tty, port);
if (retval) {
- dev_err(&port->dev,
- "%s - failed submitting read urb, error %d\n",
- __func__, retval);
firm_close(port);
stop_command_port(port->serial);
goto exit;
}
-
exit:
dbg("%s - exit, retval = %d", __func__, retval);
return retval;
static void whiteheat_close(struct usb_serial_port *port)
{
- struct whiteheat_private *info = usb_get_serial_port_data(port);
- struct whiteheat_urb_wrap *wrap;
- struct urb *urb;
- struct list_head *tmp;
- struct list_head *tmp2;
-
dbg("%s - port %d", __func__, port->number);
firm_report_tx_done(port);
firm_close(port);
- /* shutdown our bulk reads and writes */
- mutex_lock(&info->deathwarrant);
- spin_lock_irq(&info->lock);
- list_for_each_safe(tmp, tmp2, &info->rx_urbs_submitted) {
- wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
- urb = wrap->urb;
- list_del(tmp);
- spin_unlock_irq(&info->lock);
- usb_kill_urb(urb);
- spin_lock_irq(&info->lock);
- list_add(tmp, &info->rx_urbs_free);
- }
- list_for_each_safe(tmp, tmp2, &info->rx_urb_q)
- list_move(tmp, &info->rx_urbs_free);
- list_for_each_safe(tmp, tmp2, &info->tx_urbs_submitted) {
- wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
- urb = wrap->urb;
- list_del(tmp);
- spin_unlock_irq(&info->lock);
- usb_kill_urb(urb);
- spin_lock_irq(&info->lock);
- list_add(tmp, &info->tx_urbs_free);
- }
- spin_unlock_irq(&info->lock);
- mutex_unlock(&info->deathwarrant);
- stop_command_port(port->serial);
-}
-
-
-static int whiteheat_write(struct tty_struct *tty,
- struct usb_serial_port *port, const unsigned char *buf, int count)
-{
- struct whiteheat_private *info = usb_get_serial_port_data(port);
- struct whiteheat_urb_wrap *wrap;
- struct urb *urb;
- int result;
- int bytes;
- int sent = 0;
- unsigned long flags;
- struct list_head *tmp;
-
- dbg("%s - port %d", __func__, port->number);
-
- if (count == 0) {
- dbg("%s - write request of 0 bytes", __func__);
- return (0);
- }
-
- while (count) {
- spin_lock_irqsave(&info->lock, flags);
- if (list_empty(&info->tx_urbs_free)) {
- spin_unlock_irqrestore(&info->lock, flags);
- break;
- }
- tmp = list_first(&info->tx_urbs_free);
- list_del(tmp);
- spin_unlock_irqrestore(&info->lock, flags);
-
- wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
- urb = wrap->urb;
- bytes = (count > port->bulk_out_size) ?
- port->bulk_out_size : count;
- memcpy(urb->transfer_buffer, buf + sent, bytes);
-
- usb_serial_debug_data(debug, &port->dev,
- __func__, bytes, urb->transfer_buffer);
-
- urb->transfer_buffer_length = bytes;
- result = usb_submit_urb(urb, GFP_ATOMIC);
- if (result) {
- dev_err_console(port,
- "%s - failed submitting write urb, error %d\n",
- __func__, result);
- sent = result;
- spin_lock_irqsave(&info->lock, flags);
- list_add(tmp, &info->tx_urbs_free);
- spin_unlock_irqrestore(&info->lock, flags);
- break;
- } else {
- sent += bytes;
- count -= bytes;
- spin_lock_irqsave(&info->lock, flags);
- list_add(tmp, &info->tx_urbs_submitted);
- spin_unlock_irqrestore(&info->lock, flags);
- }
- }
+ usb_serial_generic_close(port);
- return sent;
-}
-
-static int whiteheat_write_room(struct tty_struct *tty)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct whiteheat_private *info = usb_get_serial_port_data(port);
- struct list_head *tmp;
- int room = 0;
- unsigned long flags;
-
- dbg("%s - port %d", __func__, port->number);
-
- spin_lock_irqsave(&info->lock, flags);
- list_for_each(tmp, &info->tx_urbs_free)
- room++;
- spin_unlock_irqrestore(&info->lock, flags);
- room *= port->bulk_out_size;
-
- dbg("%s - returns %d", __func__, room);
- return (room);
+ stop_command_port(port->serial);
}
static int whiteheat_tiocmget(struct tty_struct *tty)
serstruct.line = port->serial->minor;
serstruct.port = port->number;
serstruct.flags = ASYNC_SKIP_TEST | ASYNC_AUTO_IRQ;
- serstruct.xmit_fifo_size = port->bulk_out_size;
+ serstruct.xmit_fifo_size = kfifo_size(&port->write_fifo);
serstruct.custom_divisor = 0;
serstruct.baud_base = 460800;
serstruct.close_delay = CLOSING_DELAY;
}
-static int whiteheat_chars_in_buffer(struct tty_struct *tty)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct whiteheat_private *info = usb_get_serial_port_data(port);
- struct list_head *tmp;
- struct whiteheat_urb_wrap *wrap;
- int chars = 0;
- unsigned long flags;
-
- dbg("%s - port %d", __func__, port->number);
-
- spin_lock_irqsave(&info->lock, flags);
- list_for_each(tmp, &info->tx_urbs_submitted) {
- wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
- chars += wrap->urb->transfer_buffer_length;
- }
- spin_unlock_irqrestore(&info->lock, flags);
-
- dbg("%s - returns %d", __func__, chars);
- return chars;
-}
-
-
-static void whiteheat_throttle(struct tty_struct *tty)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct whiteheat_private *info = usb_get_serial_port_data(port);
-
- dbg("%s - port %d", __func__, port->number);
-
- spin_lock_irq(&info->lock);
- info->flags |= THROTTLED;
- spin_unlock_irq(&info->lock);
-}
-
-
-static void whiteheat_unthrottle(struct tty_struct *tty)
-{
- struct usb_serial_port *port = tty->driver_data;
- struct whiteheat_private *info = usb_get_serial_port_data(port);
- int actually_throttled;
-
- dbg("%s - port %d", __func__, port->number);
-
- spin_lock_irq(&info->lock);
- actually_throttled = info->flags & ACTUALLY_THROTTLED;
- info->flags &= ~(THROTTLED | ACTUALLY_THROTTLED);
- spin_unlock_irq(&info->lock);
-
- if (actually_throttled)
- rx_data_softint(&info->rx_work);
-}
-
-
/*****************************************************************************
* Connect Tech's White Heat callback routines
*****************************************************************************/
}
-static void whiteheat_read_callback(struct urb *urb)
-{
- struct usb_serial_port *port = urb->context;
- struct whiteheat_urb_wrap *wrap;
- unsigned char *data = urb->transfer_buffer;
- struct whiteheat_private *info = usb_get_serial_port_data(port);
- int status = urb->status;
-
- dbg("%s - port %d", __func__, port->number);
-
- spin_lock(&info->lock);
- wrap = urb_to_wrap(urb, &info->rx_urbs_submitted);
- if (!wrap) {
- spin_unlock(&info->lock);
- dev_err(&port->dev, "%s - Not my urb!\n", __func__);
- return;
- }
- list_del(&wrap->list);
- spin_unlock(&info->lock);
-
- if (status) {
- dbg("%s - nonzero read bulk status received: %d",
- __func__, status);
- spin_lock(&info->lock);
- list_add(&wrap->list, &info->rx_urbs_free);
- spin_unlock(&info->lock);
- return;
- }
-
- usb_serial_debug_data(debug, &port->dev,
- __func__, urb->actual_length, data);
-
- spin_lock(&info->lock);
- list_add_tail(&wrap->list, &info->rx_urb_q);
- if (info->flags & THROTTLED) {
- info->flags |= ACTUALLY_THROTTLED;
- spin_unlock(&info->lock);
- return;
- }
- spin_unlock(&info->lock);
-
- schedule_work(&info->rx_work);
-}
-
-
-static void whiteheat_write_callback(struct urb *urb)
-{
- struct usb_serial_port *port = urb->context;
- struct whiteheat_private *info = usb_get_serial_port_data(port);
- struct whiteheat_urb_wrap *wrap;
- int status = urb->status;
-
- dbg("%s - port %d", __func__, port->number);
-
- spin_lock(&info->lock);
- wrap = urb_to_wrap(urb, &info->tx_urbs_submitted);
- if (!wrap) {
- spin_unlock(&info->lock);
- dev_err(&port->dev, "%s - Not my urb!\n", __func__);
- return;
- }
- list_move(&wrap->list, &info->tx_urbs_free);
- spin_unlock(&info->lock);
-
- if (status) {
- dbg("%s - nonzero write bulk status received: %d",
- __func__, status);
- return;
- }
-
- usb_serial_port_softint(port);
-}
-
-
/*****************************************************************************
* Connect Tech's White Heat firmware interface
*****************************************************************************/
mutex_unlock(&command_info->mutex);
}
-
-static int start_port_read(struct usb_serial_port *port)
-{
- struct whiteheat_private *info = usb_get_serial_port_data(port);
- struct whiteheat_urb_wrap *wrap;
- struct urb *urb;
- int retval = 0;
- unsigned long flags;
- struct list_head *tmp;
- struct list_head *tmp2;
-
- spin_lock_irqsave(&info->lock, flags);
-
- list_for_each_safe(tmp, tmp2, &info->rx_urbs_free) {
- list_del(tmp);
- wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
- urb = wrap->urb;
- spin_unlock_irqrestore(&info->lock, flags);
- retval = usb_submit_urb(urb, GFP_KERNEL);
- if (retval) {
- spin_lock_irqsave(&info->lock, flags);
- list_add(tmp, &info->rx_urbs_free);
- list_for_each_safe(tmp, tmp2, &info->rx_urbs_submitted) {
- wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
- urb = wrap->urb;
- list_del(tmp);
- spin_unlock_irqrestore(&info->lock, flags);
- usb_kill_urb(urb);
- spin_lock_irqsave(&info->lock, flags);
- list_add(tmp, &info->rx_urbs_free);
- }
- break;
- }
- spin_lock_irqsave(&info->lock, flags);
- list_add(tmp, &info->rx_urbs_submitted);
- }
-
- spin_unlock_irqrestore(&info->lock, flags);
-
- return retval;
-}
-
-
-static struct whiteheat_urb_wrap *urb_to_wrap(struct urb *urb,
- struct list_head *head)
-{
- struct whiteheat_urb_wrap *wrap;
- struct list_head *tmp;
-
- list_for_each(tmp, head) {
- wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
- if (wrap->urb == urb)
- return wrap;
- }
-
- return NULL;
-}
-
-
-static struct list_head *list_first(struct list_head *head)
-{
- return head->next;
-}
-
-
-static void rx_data_softint(struct work_struct *work)
-{
- struct whiteheat_private *info =
- container_of(work, struct whiteheat_private, rx_work);
- struct usb_serial_port *port = info->port;
- struct tty_struct *tty = tty_port_tty_get(&port->port);
- struct whiteheat_urb_wrap *wrap;
- struct urb *urb;
- unsigned long flags;
- struct list_head *tmp;
- struct list_head *tmp2;
- int result;
- int sent = 0;
-
- spin_lock_irqsave(&info->lock, flags);
- if (info->flags & THROTTLED) {
- spin_unlock_irqrestore(&info->lock, flags);
- goto out;
- }
-
- list_for_each_safe(tmp, tmp2, &info->rx_urb_q) {
- list_del(tmp);
- spin_unlock_irqrestore(&info->lock, flags);
-
- wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
- urb = wrap->urb;
-
- if (tty && urb->actual_length)
- sent += tty_insert_flip_string(tty,
- urb->transfer_buffer, urb->actual_length);
-
- result = usb_submit_urb(urb, GFP_ATOMIC);
- if (result) {
- dev_err(&port->dev,
- "%s - failed resubmitting read urb, error %d\n",
- __func__, result);
- spin_lock_irqsave(&info->lock, flags);
- list_add(tmp, &info->rx_urbs_free);
- continue;
- }
-
- spin_lock_irqsave(&info->lock, flags);
- list_add(tmp, &info->rx_urbs_submitted);
- }
- spin_unlock_irqrestore(&info->lock, flags);
-
- if (sent)
- tty_flip_buffer_push(tty);
-out:
- tty_kref_put(tty);
-}
-
module_usb_serial_driver(whiteheat_driver, serial_drivers);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_FIRMWARE("whiteheat.fw");
MODULE_FIRMWARE("whiteheat_loader.fw");
-module_param(urb_pool_size, int, 0);
-MODULE_PARM_DESC(urb_pool_size, "Number of urbs to use for buffering");
-
module_param(debug, bool, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(debug, "Debug enabled or not");
kfree(buf);
nofw:
- if (sd_fw != NULL) {
- release_firmware(sd_fw);
- sd_fw = NULL;
- }
-
+ release_firmware(sd_fw);
return result;
}
u8 core_unit;
u32 addr;
+ u32 addr1;
u32 wrap;
void __iomem *io_addr;
*
* Maintainer: Kumar Gala <galak@kernel.crashing.org>
*
- * Copyright 2004 Freescale Semiconductor, Inc
+ * Copyright 2004,2012 Freescale Semiconductor, Inc
*
* 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
#ifndef _FSL_DEVICE_H_
#define _FSL_DEVICE_H_
+#define FSL_UTMI_PHY_DLY 10 /*As per P1010RM, delay for UTMI
+ PHY CLK to become stable - 10ms*/
+#define FSL_USB_VER_OLD 0
+#define FSL_USB_VER_1_6 1
+#define FSL_USB_VER_2_2 2
+
#include <linux/types.h>
/*
struct fsl_usb2_platform_data {
/* board specific information */
+ int controller_ver;
enum fsl_usb2_operating_modes operating_mode;
enum fsl_usb2_phy_modes phy_mode;
unsigned int port_enables;
--- /dev/null
+/*
+ * EHCI SuperH driver platform data
+ *
+ * Copyright (C) 2012 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ * Copyright (C) 2012 Renesas Solutions Corp.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef __USB_EHCI_SH_H
+#define __USB_EHCI_SH_H
+
+struct ehci_sh_platdata {
+ void (*phy_init)(void); /* Phy init function */
+};
+
+#endif /* __USB_EHCI_SH_H */
case 0:
case -ENOMEM:
case -ENODEV:
+ case -EOPNOTSUPP:
return error_code;
default:
return -EIO;
projects / linux-2.6-microblaze.git / commitdiff