# Glue/Bridge layers go here
-obj-$(CONFIG_USB_CHIPIDEA) += ci13xxx_msm.o
+obj-$(CONFIG_USB_CHIPIDEA) += ci_hdrc_msm.o
# PCI doesn't provide stubs, need to check
ifneq ($(CONFIG_PCI),)
- obj-$(CONFIG_USB_CHIPIDEA) += ci13xxx_pci.o
+ obj-$(CONFIG_USB_CHIPIDEA) += ci_hdrc_pci.o
endif
ifneq ($(CONFIG_OF_DEVICE),)
- obj-$(CONFIG_USB_CHIPIDEA) += ci13xxx_imx.o usbmisc_imx.o
+ obj-$(CONFIG_USB_CHIPIDEA) += ci_hdrc_imx.o usbmisc_imx.o
endif
* DEFINE
*****************************************************************************/
#define TD_PAGE_COUNT 5
-#define CI13XXX_PAGE_SIZE 4096ul /* page size for TD's */
+#define CI_HDRC_PAGE_SIZE 4096ul /* page size for TD's */
#define ENDPT_MAX 32
/******************************************************************************
* STRUCTURES
*****************************************************************************/
/**
- * struct ci13xxx_ep - endpoint representation
+ * struct ci_hw_ep - endpoint representation
* @ep: endpoint structure for gadget drivers
* @dir: endpoint direction (TX/RX)
* @num: endpoint number
* @lock: pointer to controller's spinlock
* @td_pool: pointer to controller's TD pool
*/
-struct ci13xxx_ep {
+struct ci_hw_ep {
struct usb_ep ep;
u8 dir;
u8 num;
char name[16];
struct {
struct list_head queue;
- struct ci13xxx_qh *ptr;
+ struct ci_hw_qh *ptr;
dma_addr_t dma;
} qh;
int wedge;
/* global resources */
- struct ci13xxx *ci;
+ struct ci_hdrc *ci;
spinlock_t *lock;
struct dma_pool *td_pool;
struct td_node *pending_td;
* name: role name string (host/gadget)
*/
struct ci_role_driver {
- int (*start)(struct ci13xxx *);
- void (*stop)(struct ci13xxx *);
- irqreturn_t (*irq)(struct ci13xxx *);
+ int (*start)(struct ci_hdrc *);
+ void (*stop)(struct ci_hdrc *);
+ irqreturn_t (*irq)(struct ci_hdrc *);
const char *name;
};
};
/**
- * struct ci13xxx - chipidea device representation
+ * struct ci_hdrc - chipidea device representation
* @dev: pointer to parent device
* @lock: access synchronization
* @hw_bank: hardware register mapping
* @gadget: device side representation for peripheral controller
* @driver: gadget driver
* @hw_ep_max: total number of endpoints supported by hardware
- * @ci13xxx_ep: array of endpoints
+ * @ci_hw_ep: array of endpoints
* @ep0_dir: ep0 direction
* @ep0out: pointer to ep0 OUT endpoint
* @ep0in: pointer to ep0 IN endpoint
* @hcd: pointer to usb_hcd for ehci host driver
* @debugfs: root dentry for this controller in debugfs
*/
-struct ci13xxx {
+struct ci_hdrc {
struct device *dev;
spinlock_t lock;
struct hw_bank hw_bank;
struct usb_gadget gadget;
struct usb_gadget_driver *driver;
unsigned hw_ep_max;
- struct ci13xxx_ep ci13xxx_ep[ENDPT_MAX];
+ struct ci_hw_ep ci_hw_ep[ENDPT_MAX];
u32 ep0_dir;
- struct ci13xxx_ep *ep0out, *ep0in;
+ struct ci_hw_ep *ep0out, *ep0in;
struct usb_request *status;
bool setaddr;
u8 suspended;
u8 test_mode;
- struct ci13xxx_platform_data *platdata;
+ struct ci_hdrc_platform_data *platdata;
int vbus_active;
/* FIXME: some day, we'll not use global phy */
bool global_phy;
struct dentry *debugfs;
};
-static inline struct ci_role_driver *ci_role(struct ci13xxx *ci)
+static inline struct ci_role_driver *ci_role(struct ci_hdrc *ci)
{
BUG_ON(ci->role >= CI_ROLE_END || !ci->roles[ci->role]);
return ci->roles[ci->role];
}
-static inline int ci_role_start(struct ci13xxx *ci, enum ci_role role)
+static inline int ci_role_start(struct ci_hdrc *ci, enum ci_role role)
{
int ret;
return ret;
}
-static inline void ci_role_stop(struct ci13xxx *ci)
+static inline void ci_role_stop(struct ci_hdrc *ci)
{
enum ci_role role = ci->role;
#define REG_BITS (32)
/* register indices */
-enum ci13xxx_regs {
+enum ci_hw_regs {
CAP_CAPLENGTH,
CAP_HCCPARAMS,
CAP_DCCPARAMS,
*
* This function returns register contents
*/
-static inline u32 hw_read(struct ci13xxx *ci, enum ci13xxx_regs reg, u32 mask)
+static inline u32 hw_read(struct ci_hdrc *ci, enum ci_hw_regs reg, u32 mask)
{
return ioread32(ci->hw_bank.regmap[reg]) & mask;
}
* @mask: bitfield mask
* @data: new value
*/
-static inline void hw_write(struct ci13xxx *ci, enum ci13xxx_regs reg,
+static inline void hw_write(struct ci_hdrc *ci, enum ci_hw_regs reg,
u32 mask, u32 data)
{
if (~mask)
*
* This function returns register contents
*/
-static inline u32 hw_test_and_clear(struct ci13xxx *ci, enum ci13xxx_regs reg,
+static inline u32 hw_test_and_clear(struct ci_hdrc *ci, enum ci_hw_regs reg,
u32 mask)
{
u32 val = ioread32(ci->hw_bank.regmap[reg]) & mask;
*
* This function returns register contents
*/
-static inline u32 hw_test_and_write(struct ci13xxx *ci, enum ci13xxx_regs reg,
+static inline u32 hw_test_and_write(struct ci_hdrc *ci, enum ci_hw_regs reg,
u32 mask, u32 data)
{
u32 val = hw_read(ci, reg, ~0);
return (val & mask) >> __ffs(mask);
}
-int hw_device_reset(struct ci13xxx *ci, u32 mode);
+int hw_device_reset(struct ci_hdrc *ci, u32 mode);
-int hw_port_test_set(struct ci13xxx *ci, u8 mode);
+int hw_port_test_set(struct ci_hdrc *ci, u8 mode);
-u8 hw_port_test_get(struct ci13xxx *ci);
+u8 hw_port_test_get(struct ci_hdrc *ci);
#endif /* __DRIVERS_USB_CHIPIDEA_CI_H */
+++ /dev/null
-/*
- * Copyright 2012 Freescale Semiconductor, Inc.
- * Copyright (C) 2012 Marek Vasut <marex@denx.de>
- * on behalf of DENX Software Engineering GmbH
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- */
-
-#include <linux/module.h>
-#include <linux/of_platform.h>
-#include <linux/of_gpio.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-#include <linux/dma-mapping.h>
-#include <linux/usb/chipidea.h>
-#include <linux/clk.h>
-#include <linux/regulator/consumer.h>
-
-#include "ci.h"
-#include "ci13xxx_imx.h"
-
-#define pdev_to_phy(pdev) \
- ((struct usb_phy *)platform_get_drvdata(pdev))
-
-struct ci13xxx_imx_data {
- struct usb_phy *phy;
- struct platform_device *ci_pdev;
- struct clk *clk;
- struct regulator *reg_vbus;
-};
-
-static const struct usbmisc_ops *usbmisc_ops;
-
-/* Common functions shared by usbmisc drivers */
-
-int usbmisc_set_ops(const struct usbmisc_ops *ops)
-{
- if (usbmisc_ops)
- return -EBUSY;
-
- usbmisc_ops = ops;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(usbmisc_set_ops);
-
-void usbmisc_unset_ops(const struct usbmisc_ops *ops)
-{
- usbmisc_ops = NULL;
-}
-EXPORT_SYMBOL_GPL(usbmisc_unset_ops);
-
-int usbmisc_get_init_data(struct device *dev, struct usbmisc_usb_device *usbdev)
-{
- struct device_node *np = dev->of_node;
- struct of_phandle_args args;
- int ret;
-
- usbdev->dev = dev;
-
- ret = of_parse_phandle_with_args(np, "fsl,usbmisc", "#index-cells",
- 0, &args);
- if (ret) {
- dev_err(dev, "Failed to parse property fsl,usbmisc, errno %d\n",
- ret);
- memset(usbdev, 0, sizeof(*usbdev));
- return ret;
- }
- usbdev->index = args.args[0];
- of_node_put(args.np);
-
- if (of_find_property(np, "disable-over-current", NULL))
- usbdev->disable_oc = 1;
-
- if (of_find_property(np, "external-vbus-divider", NULL))
- usbdev->evdo = 1;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(usbmisc_get_init_data);
-
-/* End of common functions shared by usbmisc drivers*/
-
-static int ci13xxx_imx_probe(struct platform_device *pdev)
-{
- struct ci13xxx_imx_data *data;
- struct ci13xxx_platform_data pdata = {
- .name = "ci13xxx_imx",
- .capoffset = DEF_CAPOFFSET,
- .flags = CI13XXX_REQUIRE_TRANSCEIVER |
- CI13XXX_PULLUP_ON_VBUS |
- CI13XXX_DISABLE_STREAMING,
- };
- struct resource *res;
- int ret;
- struct usb_phy *phy;
-
- if (of_find_property(pdev->dev.of_node, "fsl,usbmisc", NULL)
- && !usbmisc_ops)
- return -EPROBE_DEFER;
-
- data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
- if (!data) {
- dev_err(&pdev->dev, "Failed to allocate CI13xxx-IMX data!\n");
- return -ENOMEM;
- }
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "Can't get device resources!\n");
- return -ENOENT;
- }
-
- data->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(data->clk)) {
- dev_err(&pdev->dev,
- "Failed to get clock, err=%ld\n", PTR_ERR(data->clk));
- return PTR_ERR(data->clk);
- }
-
- ret = clk_prepare_enable(data->clk);
- if (ret) {
- dev_err(&pdev->dev,
- "Failed to prepare or enable clock, err=%d\n", ret);
- return ret;
- }
-
- phy = devm_usb_get_phy_by_phandle(&pdev->dev, "fsl,usbphy", 0);
- if (!IS_ERR(phy)) {
- ret = usb_phy_init(phy);
- if (ret) {
- dev_err(&pdev->dev, "unable to init phy: %d\n", ret);
- goto err_clk;
- }
- } else if (PTR_ERR(phy) == -EPROBE_DEFER) {
- ret = -EPROBE_DEFER;
- goto err_clk;
- }
-
- /* we only support host now, so enable vbus here */
- data->reg_vbus = devm_regulator_get(&pdev->dev, "vbus");
- if (!IS_ERR(data->reg_vbus)) {
- ret = regulator_enable(data->reg_vbus);
- if (ret) {
- dev_err(&pdev->dev,
- "Failed to enable vbus regulator, err=%d\n",
- ret);
- goto err_clk;
- }
- } else {
- data->reg_vbus = NULL;
- }
-
- pdata.phy = data->phy;
-
- if (!pdev->dev.dma_mask)
- pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
- if (!pdev->dev.coherent_dma_mask)
- pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
-
- if (usbmisc_ops && usbmisc_ops->init) {
- ret = usbmisc_ops->init(&pdev->dev);
- if (ret) {
- dev_err(&pdev->dev,
- "usbmisc init failed, ret=%d\n", ret);
- goto err;
- }
- }
-
- data->ci_pdev = ci13xxx_add_device(&pdev->dev,
- pdev->resource, pdev->num_resources,
- &pdata);
- if (IS_ERR(data->ci_pdev)) {
- ret = PTR_ERR(data->ci_pdev);
- dev_err(&pdev->dev,
- "Can't register ci_hdrc platform device, err=%d\n",
- ret);
- goto err;
- }
-
- if (usbmisc_ops && usbmisc_ops->post) {
- ret = usbmisc_ops->post(&pdev->dev);
- if (ret) {
- dev_err(&pdev->dev,
- "usbmisc post failed, ret=%d\n", ret);
- goto disable_device;
- }
- }
-
- platform_set_drvdata(pdev, data);
-
- pm_runtime_no_callbacks(&pdev->dev);
- pm_runtime_enable(&pdev->dev);
-
- return 0;
-
-disable_device:
- ci13xxx_remove_device(data->ci_pdev);
-err:
- if (data->reg_vbus)
- regulator_disable(data->reg_vbus);
-err_clk:
- clk_disable_unprepare(data->clk);
- return ret;
-}
-
-static int ci13xxx_imx_remove(struct platform_device *pdev)
-{
- struct ci13xxx_imx_data *data = platform_get_drvdata(pdev);
-
- pm_runtime_disable(&pdev->dev);
- ci13xxx_remove_device(data->ci_pdev);
-
- if (data->reg_vbus)
- regulator_disable(data->reg_vbus);
-
- if (data->phy) {
- usb_phy_shutdown(data->phy);
- module_put(data->phy->dev->driver->owner);
- }
-
- clk_disable_unprepare(data->clk);
-
- return 0;
-}
-
-static const struct of_device_id ci13xxx_imx_dt_ids[] = {
- { .compatible = "fsl,imx27-usb", },
- { /* sentinel */ }
-};
-MODULE_DEVICE_TABLE(of, ci13xxx_imx_dt_ids);
-
-static struct platform_driver ci13xxx_imx_driver = {
- .probe = ci13xxx_imx_probe,
- .remove = ci13xxx_imx_remove,
- .driver = {
- .name = "imx_usb",
- .owner = THIS_MODULE,
- .of_match_table = ci13xxx_imx_dt_ids,
- },
-};
-
-module_platform_driver(ci13xxx_imx_driver);
-
-MODULE_ALIAS("platform:imx-usb");
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("CI13xxx i.MX USB binding");
-MODULE_AUTHOR("Marek Vasut <marex@denx.de>");
-MODULE_AUTHOR("Richard Zhao <richard.zhao@freescale.com>");
+++ /dev/null
-/*
- * Copyright 2012 Freescale Semiconductor, Inc.
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- */
-
-/* Used to set SoC specific callbacks */
-struct usbmisc_ops {
- /* It's called once when probe a usb device */
- int (*init)(struct device *dev);
- /* It's called once after adding a usb device */
- int (*post)(struct device *dev);
-};
-
-struct usbmisc_usb_device {
- struct device *dev; /* usb controller device */
- int index;
-
- unsigned int disable_oc:1; /* over current detect disabled */
- unsigned int evdo:1; /* set external vbus divider option */
-};
-
-int usbmisc_set_ops(const struct usbmisc_ops *ops);
-void usbmisc_unset_ops(const struct usbmisc_ops *ops);
-int
-usbmisc_get_init_data(struct device *dev, struct usbmisc_usb_device *usbdev);
+++ /dev/null
-/* Copyright (c) 2010, Code Aurora Forum. 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 version 2 and
- * only version 2 as published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-#include <linux/usb/msm_hsusb_hw.h>
-#include <linux/usb/ulpi.h>
-#include <linux/usb/gadget.h>
-#include <linux/usb/chipidea.h>
-
-#include "ci.h"
-
-#define MSM_USB_BASE (ci->hw_bank.abs)
-
-static void ci13xxx_msm_notify_event(struct ci13xxx *ci, unsigned event)
-{
- struct device *dev = ci->gadget.dev.parent;
- int val;
-
- switch (event) {
- case CI13XXX_CONTROLLER_RESET_EVENT:
- dev_dbg(dev, "CI13XXX_CONTROLLER_RESET_EVENT received\n");
- writel(0, USB_AHBBURST);
- writel(0, USB_AHBMODE);
- break;
- case CI13XXX_CONTROLLER_STOPPED_EVENT:
- dev_dbg(dev, "CI13XXX_CONTROLLER_STOPPED_EVENT received\n");
- /*
- * Put the transceiver in non-driving mode. Otherwise host
- * may not detect soft-disconnection.
- */
- val = usb_phy_io_read(ci->transceiver, ULPI_FUNC_CTRL);
- val &= ~ULPI_FUNC_CTRL_OPMODE_MASK;
- val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING;
- usb_phy_io_write(ci->transceiver, val, ULPI_FUNC_CTRL);
- break;
- default:
- dev_dbg(dev, "unknown ci13xxx event\n");
- break;
- }
-}
-
-static struct ci13xxx_platform_data ci13xxx_msm_platdata = {
- .name = "ci13xxx_msm",
- .flags = CI13XXX_REGS_SHARED |
- CI13XXX_REQUIRE_TRANSCEIVER |
- CI13XXX_PULLUP_ON_VBUS |
- CI13XXX_DISABLE_STREAMING,
-
- .notify_event = ci13xxx_msm_notify_event,
-};
-
-static int ci13xxx_msm_probe(struct platform_device *pdev)
-{
- struct platform_device *plat_ci;
-
- dev_dbg(&pdev->dev, "ci13xxx_msm_probe\n");
-
- plat_ci = ci13xxx_add_device(&pdev->dev,
- pdev->resource, pdev->num_resources,
- &ci13xxx_msm_platdata);
- if (IS_ERR(plat_ci)) {
- dev_err(&pdev->dev, "ci13xxx_add_device failed!\n");
- return PTR_ERR(plat_ci);
- }
-
- platform_set_drvdata(pdev, plat_ci);
-
- pm_runtime_no_callbacks(&pdev->dev);
- pm_runtime_enable(&pdev->dev);
-
- return 0;
-}
-
-static int ci13xxx_msm_remove(struct platform_device *pdev)
-{
- struct platform_device *plat_ci = platform_get_drvdata(pdev);
-
- pm_runtime_disable(&pdev->dev);
- ci13xxx_remove_device(plat_ci);
-
- return 0;
-}
-
-static struct platform_driver ci13xxx_msm_driver = {
- .probe = ci13xxx_msm_probe,
- .remove = ci13xxx_msm_remove,
- .driver = { .name = "msm_hsusb", },
-};
-
-module_platform_driver(ci13xxx_msm_driver);
-
-MODULE_ALIAS("platform:msm_hsusb");
-MODULE_LICENSE("GPL v2");
+++ /dev/null
-/*
- * ci13xxx_pci.c - MIPS USB IP core family device controller
- *
- * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved.
- *
- * Author: David Lopo
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/platform_device.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/interrupt.h>
-#include <linux/usb/gadget.h>
-#include <linux/usb/chipidea.h>
-
-/* driver name */
-#define UDC_DRIVER_NAME "ci13xxx_pci"
-
-/******************************************************************************
- * PCI block
- *****************************************************************************/
-static struct ci13xxx_platform_data pci_platdata = {
- .name = UDC_DRIVER_NAME,
- .capoffset = DEF_CAPOFFSET,
-};
-
-static struct ci13xxx_platform_data langwell_pci_platdata = {
- .name = UDC_DRIVER_NAME,
- .capoffset = 0,
-};
-
-static struct ci13xxx_platform_data penwell_pci_platdata = {
- .name = UDC_DRIVER_NAME,
- .capoffset = 0,
- .power_budget = 200,
-};
-
-/**
- * ci13xxx_pci_probe: PCI probe
- * @pdev: USB device controller being probed
- * @id: PCI hotplug ID connecting controller to UDC framework
- *
- * This function returns an error code
- * Allocates basic PCI resources for this USB device controller, and then
- * invokes the udc_probe() method to start the UDC associated with it
- */
-static int ci13xxx_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *id)
-{
- struct ci13xxx_platform_data *platdata = (void *)id->driver_data;
- struct platform_device *plat_ci;
- struct resource res[3];
- int retval = 0, nres = 2;
-
- if (!platdata) {
- dev_err(&pdev->dev, "device doesn't provide driver data\n");
- return -ENODEV;
- }
-
- retval = pcim_enable_device(pdev);
- if (retval)
- return retval;
-
- if (!pdev->irq) {
- dev_err(&pdev->dev, "No IRQ, check BIOS/PCI setup!");
- return -ENODEV;
- }
-
- pci_set_master(pdev);
- pci_try_set_mwi(pdev);
-
- memset(res, 0, sizeof(res));
- res[0].start = pci_resource_start(pdev, 0);
- res[0].end = pci_resource_end(pdev, 0);
- res[0].flags = IORESOURCE_MEM;
- res[1].start = pdev->irq;
- res[1].flags = IORESOURCE_IRQ;
-
- plat_ci = ci13xxx_add_device(&pdev->dev, res, nres, platdata);
- if (IS_ERR(plat_ci)) {
- dev_err(&pdev->dev, "ci13xxx_add_device failed!\n");
- return PTR_ERR(plat_ci);
- }
-
- pci_set_drvdata(pdev, plat_ci);
-
- return 0;
-}
-
-/**
- * ci13xxx_pci_remove: PCI remove
- * @pdev: USB Device Controller being removed
- *
- * Reverses the effect of ci13xxx_pci_probe(),
- * first invoking the udc_remove() and then releases
- * all PCI resources allocated for this USB device controller
- */
-static void ci13xxx_pci_remove(struct pci_dev *pdev)
-{
- struct platform_device *plat_ci = pci_get_drvdata(pdev);
-
- ci13xxx_remove_device(plat_ci);
-}
-
-/**
- * PCI device table
- * PCI device structure
- *
- * Check "pci.h" for details
- */
-static DEFINE_PCI_DEVICE_TABLE(ci13xxx_pci_id_table) = {
- {
- PCI_DEVICE(0x153F, 0x1004),
- .driver_data = (kernel_ulong_t)&pci_platdata,
- },
- {
- PCI_DEVICE(0x153F, 0x1006),
- .driver_data = (kernel_ulong_t)&pci_platdata,
- },
- {
- PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0811),
- .driver_data = (kernel_ulong_t)&langwell_pci_platdata,
- },
- {
- PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0829),
- .driver_data = (kernel_ulong_t)&penwell_pci_platdata,
- },
- { 0, 0, 0, 0, 0, 0, 0 /* end: all zeroes */ }
-};
-MODULE_DEVICE_TABLE(pci, ci13xxx_pci_id_table);
-
-static struct pci_driver ci13xxx_pci_driver = {
- .name = UDC_DRIVER_NAME,
- .id_table = ci13xxx_pci_id_table,
- .probe = ci13xxx_pci_probe,
- .remove = ci13xxx_pci_remove,
-};
-
-module_pci_driver(ci13xxx_pci_driver);
-
-MODULE_AUTHOR("MIPS - David Lopo <dlopo@chipidea.mips.com>");
-MODULE_DESCRIPTION("MIPS CI13XXX USB Peripheral Controller");
-MODULE_LICENSE("GPL");
-MODULE_VERSION("June 2008");
--- /dev/null
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright (C) 2012 Marek Vasut <marex@denx.de>
+ * on behalf of DENX Software Engineering GmbH
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/of_gpio.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/dma-mapping.h>
+#include <linux/usb/chipidea.h>
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+
+#include "ci.h"
+#include "ci_hdrc_imx.h"
+
+#define pdev_to_phy(pdev) \
+ ((struct usb_phy *)platform_get_drvdata(pdev))
+
+struct ci_hdrc_imx_data {
+ struct usb_phy *phy;
+ struct platform_device *ci_pdev;
+ struct clk *clk;
+ struct regulator *reg_vbus;
+};
+
+static const struct usbmisc_ops *usbmisc_ops;
+
+/* Common functions shared by usbmisc drivers */
+
+int usbmisc_set_ops(const struct usbmisc_ops *ops)
+{
+ if (usbmisc_ops)
+ return -EBUSY;
+
+ usbmisc_ops = ops;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(usbmisc_set_ops);
+
+void usbmisc_unset_ops(const struct usbmisc_ops *ops)
+{
+ usbmisc_ops = NULL;
+}
+EXPORT_SYMBOL_GPL(usbmisc_unset_ops);
+
+int usbmisc_get_init_data(struct device *dev, struct usbmisc_usb_device *usbdev)
+{
+ struct device_node *np = dev->of_node;
+ struct of_phandle_args args;
+ int ret;
+
+ usbdev->dev = dev;
+
+ ret = of_parse_phandle_with_args(np, "fsl,usbmisc", "#index-cells",
+ 0, &args);
+ if (ret) {
+ dev_err(dev, "Failed to parse property fsl,usbmisc, errno %d\n",
+ ret);
+ memset(usbdev, 0, sizeof(*usbdev));
+ return ret;
+ }
+ usbdev->index = args.args[0];
+ of_node_put(args.np);
+
+ if (of_find_property(np, "disable-over-current", NULL))
+ usbdev->disable_oc = 1;
+
+ if (of_find_property(np, "external-vbus-divider", NULL))
+ usbdev->evdo = 1;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(usbmisc_get_init_data);
+
+/* End of common functions shared by usbmisc drivers*/
+
+static int ci_hdrc_imx_probe(struct platform_device *pdev)
+{
+ struct ci_hdrc_imx_data *data;
+ struct ci_hdrc_platform_data pdata = {
+ .name = "ci_hdrc_imx",
+ .capoffset = DEF_CAPOFFSET,
+ .flags = CI_HDRC_REQUIRE_TRANSCEIVER |
+ CI_HDRC_PULLUP_ON_VBUS |
+ CI_HDRC_DISABLE_STREAMING,
+ };
+ struct resource *res;
+ int ret;
+ struct usb_phy *phy;
+
+ if (of_find_property(pdev->dev.of_node, "fsl,usbmisc", NULL)
+ && !usbmisc_ops)
+ return -EPROBE_DEFER;
+
+ data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+ if (!data) {
+ dev_err(&pdev->dev, "Failed to allocate ci_hdrc-imx data!\n");
+ return -ENOMEM;
+ }
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "Can't get device resources!\n");
+ return -ENOENT;
+ }
+
+ data->clk = devm_clk_get(&pdev->dev, NULL);
+ if (IS_ERR(data->clk)) {
+ dev_err(&pdev->dev,
+ "Failed to get clock, err=%ld\n", PTR_ERR(data->clk));
+ return PTR_ERR(data->clk);
+ }
+
+ ret = clk_prepare_enable(data->clk);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "Failed to prepare or enable clock, err=%d\n", ret);
+ return ret;
+ }
+
+ phy = devm_usb_get_phy_by_phandle(&pdev->dev, "fsl,usbphy", 0);
+ if (!IS_ERR(phy)) {
+ ret = usb_phy_init(phy);
+ if (ret) {
+ dev_err(&pdev->dev, "unable to init phy: %d\n", ret);
+ goto err_clk;
+ }
+ } else if (PTR_ERR(phy) == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto err_clk;
+ }
+
+ /* we only support host now, so enable vbus here */
+ data->reg_vbus = devm_regulator_get(&pdev->dev, "vbus");
+ if (!IS_ERR(data->reg_vbus)) {
+ ret = regulator_enable(data->reg_vbus);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "Failed to enable vbus regulator, err=%d\n",
+ ret);
+ goto err_clk;
+ }
+ } else {
+ data->reg_vbus = NULL;
+ }
+
+ pdata.phy = data->phy;
+
+ if (!pdev->dev.dma_mask)
+ pdev->dev.dma_mask = &pdev->dev.coherent_dma_mask;
+ if (!pdev->dev.coherent_dma_mask)
+ pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
+
+ if (usbmisc_ops && usbmisc_ops->init) {
+ ret = usbmisc_ops->init(&pdev->dev);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "usbmisc init failed, ret=%d\n", ret);
+ goto err;
+ }
+ }
+
+ data->ci_pdev = ci_hdrc_add_device(&pdev->dev,
+ pdev->resource, pdev->num_resources,
+ &pdata);
+ if (IS_ERR(data->ci_pdev)) {
+ ret = PTR_ERR(data->ci_pdev);
+ dev_err(&pdev->dev,
+ "Can't register ci_hdrc platform device, err=%d\n",
+ ret);
+ goto err;
+ }
+
+ if (usbmisc_ops && usbmisc_ops->post) {
+ ret = usbmisc_ops->post(&pdev->dev);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "usbmisc post failed, ret=%d\n", ret);
+ goto disable_device;
+ }
+ }
+
+ platform_set_drvdata(pdev, data);
+
+ pm_runtime_no_callbacks(&pdev->dev);
+ pm_runtime_enable(&pdev->dev);
+
+ return 0;
+
+disable_device:
+ ci_hdrc_remove_device(data->ci_pdev);
+err:
+ if (data->reg_vbus)
+ regulator_disable(data->reg_vbus);
+err_clk:
+ clk_disable_unprepare(data->clk);
+ return ret;
+}
+
+static int ci_hdrc_imx_remove(struct platform_device *pdev)
+{
+ struct ci_hdrc_imx_data *data = platform_get_drvdata(pdev);
+
+ pm_runtime_disable(&pdev->dev);
+ ci_hdrc_remove_device(data->ci_pdev);
+
+ if (data->reg_vbus)
+ regulator_disable(data->reg_vbus);
+
+ if (data->phy) {
+ usb_phy_shutdown(data->phy);
+ module_put(data->phy->dev->driver->owner);
+ }
+
+ clk_disable_unprepare(data->clk);
+
+ return 0;
+}
+
+static const struct of_device_id ci_hdrc_imx_dt_ids[] = {
+ { .compatible = "fsl,imx27-usb", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ci_hdrc_imx_dt_ids);
+
+static struct platform_driver ci_hdrc_imx_driver = {
+ .probe = ci_hdrc_imx_probe,
+ .remove = ci_hdrc_imx_remove,
+ .driver = {
+ .name = "imx_usb",
+ .owner = THIS_MODULE,
+ .of_match_table = ci_hdrc_imx_dt_ids,
+ },
+};
+
+module_platform_driver(ci_hdrc_imx_driver);
+
+MODULE_ALIAS("platform:imx-usb");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("CI HDRC i.MX USB binding");
+MODULE_AUTHOR("Marek Vasut <marex@denx.de>");
+MODULE_AUTHOR("Richard Zhao <richard.zhao@freescale.com>");
--- /dev/null
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/* Used to set SoC specific callbacks */
+struct usbmisc_ops {
+ /* It's called once when probe a usb device */
+ int (*init)(struct device *dev);
+ /* It's called once after adding a usb device */
+ int (*post)(struct device *dev);
+};
+
+struct usbmisc_usb_device {
+ struct device *dev; /* usb controller device */
+ int index;
+
+ unsigned int disable_oc:1; /* over current detect disabled */
+ unsigned int evdo:1; /* set external vbus divider option */
+};
+
+int usbmisc_set_ops(const struct usbmisc_ops *ops);
+void usbmisc_unset_ops(const struct usbmisc_ops *ops);
+int
+usbmisc_get_init_data(struct device *dev, struct usbmisc_usb_device *usbdev);
--- /dev/null
+/* Copyright (c) 2010, Code Aurora Forum. 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 version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/usb/msm_hsusb_hw.h>
+#include <linux/usb/ulpi.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/chipidea.h>
+
+#include "ci.h"
+
+#define MSM_USB_BASE (ci->hw_bank.abs)
+
+static void ci_hdrc_msm_notify_event(struct ci_hdrc *ci, unsigned event)
+{
+ struct device *dev = ci->gadget.dev.parent;
+ int val;
+
+ switch (event) {
+ case CI_HDRC_CONTROLLER_RESET_EVENT:
+ dev_dbg(dev, "CI_HDRC_CONTROLLER_RESET_EVENT received\n");
+ writel(0, USB_AHBBURST);
+ writel(0, USB_AHBMODE);
+ break;
+ case CI_HDRC_CONTROLLER_STOPPED_EVENT:
+ dev_dbg(dev, "CI_HDRC_CONTROLLER_STOPPED_EVENT received\n");
+ /*
+ * Put the transceiver in non-driving mode. Otherwise host
+ * may not detect soft-disconnection.
+ */
+ val = usb_phy_io_read(ci->transceiver, ULPI_FUNC_CTRL);
+ val &= ~ULPI_FUNC_CTRL_OPMODE_MASK;
+ val |= ULPI_FUNC_CTRL_OPMODE_NONDRIVING;
+ usb_phy_io_write(ci->transceiver, val, ULPI_FUNC_CTRL);
+ break;
+ default:
+ dev_dbg(dev, "unknown ci_hdrc event\n");
+ break;
+ }
+}
+
+static struct ci_hdrc_platform_data ci_hdrc_msm_platdata = {
+ .name = "ci_hdrc_msm",
+ .flags = CI_HDRC_REGS_SHARED |
+ CI_HDRC_REQUIRE_TRANSCEIVER |
+ CI_HDRC_PULLUP_ON_VBUS |
+ CI_HDRC_DISABLE_STREAMING,
+
+ .notify_event = ci_hdrc_msm_notify_event,
+};
+
+static int ci_hdrc_msm_probe(struct platform_device *pdev)
+{
+ struct platform_device *plat_ci;
+
+ dev_dbg(&pdev->dev, "ci_hdrc_msm_probe\n");
+
+ plat_ci = ci_hdrc_add_device(&pdev->dev,
+ pdev->resource, pdev->num_resources,
+ &ci_hdrc_msm_platdata);
+ if (IS_ERR(plat_ci)) {
+ dev_err(&pdev->dev, "ci_hdrc_add_device failed!\n");
+ return PTR_ERR(plat_ci);
+ }
+
+ platform_set_drvdata(pdev, plat_ci);
+
+ pm_runtime_no_callbacks(&pdev->dev);
+ pm_runtime_enable(&pdev->dev);
+
+ return 0;
+}
+
+static int ci_hdrc_msm_remove(struct platform_device *pdev)
+{
+ struct platform_device *plat_ci = platform_get_drvdata(pdev);
+
+ pm_runtime_disable(&pdev->dev);
+ ci_hdrc_remove_device(plat_ci);
+
+ return 0;
+}
+
+static struct platform_driver ci_hdrc_msm_driver = {
+ .probe = ci_hdrc_msm_probe,
+ .remove = ci_hdrc_msm_remove,
+ .driver = { .name = "msm_hsusb", },
+};
+
+module_platform_driver(ci_hdrc_msm_driver);
+
+MODULE_ALIAS("platform:msm_hsusb");
+MODULE_ALIAS("platform:ci13xxx_msm");
+MODULE_LICENSE("GPL v2");
--- /dev/null
+/*
+ * ci_hdrc_pci.c - MIPS USB IP core family device controller
+ *
+ * Copyright (C) 2008 Chipidea - MIPS Technologies, Inc. All rights reserved.
+ *
+ * Author: David Lopo
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/chipidea.h>
+
+/* driver name */
+#define UDC_DRIVER_NAME "ci_hdrc_pci"
+
+/******************************************************************************
+ * PCI block
+ *****************************************************************************/
+static struct ci_hdrc_platform_data pci_platdata = {
+ .name = UDC_DRIVER_NAME,
+ .capoffset = DEF_CAPOFFSET,
+};
+
+static struct ci_hdrc_platform_data langwell_pci_platdata = {
+ .name = UDC_DRIVER_NAME,
+ .capoffset = 0,
+};
+
+static struct ci_hdrc_platform_data penwell_pci_platdata = {
+ .name = UDC_DRIVER_NAME,
+ .capoffset = 0,
+ .power_budget = 200,
+};
+
+/**
+ * ci_hdrc_pci_probe: PCI probe
+ * @pdev: USB device controller being probed
+ * @id: PCI hotplug ID connecting controller to UDC framework
+ *
+ * This function returns an error code
+ * Allocates basic PCI resources for this USB device controller, and then
+ * invokes the udc_probe() method to start the UDC associated with it
+ */
+static int ci_hdrc_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ struct ci_hdrc_platform_data *platdata = (void *)id->driver_data;
+ struct platform_device *plat_ci;
+ struct resource res[3];
+ int retval = 0, nres = 2;
+
+ if (!platdata) {
+ dev_err(&pdev->dev, "device doesn't provide driver data\n");
+ return -ENODEV;
+ }
+
+ retval = pcim_enable_device(pdev);
+ if (retval)
+ return retval;
+
+ if (!pdev->irq) {
+ dev_err(&pdev->dev, "No IRQ, check BIOS/PCI setup!");
+ return -ENODEV;
+ }
+
+ pci_set_master(pdev);
+ pci_try_set_mwi(pdev);
+
+ memset(res, 0, sizeof(res));
+ res[0].start = pci_resource_start(pdev, 0);
+ res[0].end = pci_resource_end(pdev, 0);
+ res[0].flags = IORESOURCE_MEM;
+ res[1].start = pdev->irq;
+ res[1].flags = IORESOURCE_IRQ;
+
+ plat_ci = ci_hdrc_add_device(&pdev->dev, res, nres, platdata);
+ if (IS_ERR(plat_ci)) {
+ dev_err(&pdev->dev, "ci_hdrc_add_device failed!\n");
+ return PTR_ERR(plat_ci);
+ }
+
+ pci_set_drvdata(pdev, plat_ci);
+
+ return 0;
+}
+
+/**
+ * ci_hdrc_pci_remove: PCI remove
+ * @pdev: USB Device Controller being removed
+ *
+ * Reverses the effect of ci_hdrc_pci_probe(),
+ * first invoking the udc_remove() and then releases
+ * all PCI resources allocated for this USB device controller
+ */
+static void ci_hdrc_pci_remove(struct pci_dev *pdev)
+{
+ struct platform_device *plat_ci = pci_get_drvdata(pdev);
+
+ ci_hdrc_remove_device(plat_ci);
+}
+
+/**
+ * PCI device table
+ * PCI device structure
+ *
+ * Check "pci.h" for details
+ */
+static DEFINE_PCI_DEVICE_TABLE(ci_hdrc_pci_id_table) = {
+ {
+ PCI_DEVICE(0x153F, 0x1004),
+ .driver_data = (kernel_ulong_t)&pci_platdata,
+ },
+ {
+ PCI_DEVICE(0x153F, 0x1006),
+ .driver_data = (kernel_ulong_t)&pci_platdata,
+ },
+ {
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0811),
+ .driver_data = (kernel_ulong_t)&langwell_pci_platdata,
+ },
+ {
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0829),
+ .driver_data = (kernel_ulong_t)&penwell_pci_platdata,
+ },
+ { 0, 0, 0, 0, 0, 0, 0 /* end: all zeroes */ }
+};
+MODULE_DEVICE_TABLE(pci, ci_hdrc_pci_id_table);
+
+static struct pci_driver ci_hdrc_pci_driver = {
+ .name = UDC_DRIVER_NAME,
+ .id_table = ci_hdrc_pci_id_table,
+ .probe = ci_hdrc_pci_probe,
+ .remove = ci_hdrc_pci_remove,
+};
+
+module_pci_driver(ci_hdrc_pci_driver);
+
+MODULE_AUTHOR("MIPS - David Lopo <dlopo@chipidea.mips.com>");
+MODULE_DESCRIPTION("MIPS CI13XXX USB Peripheral Controller");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("June 2008");
+MODULE_ALIAS("platform:ci13xxx_pci");
[OP_ENDPTCTRL] = 0x0ECUL,
};
-static int hw_alloc_regmap(struct ci13xxx *ci, bool is_lpm)
+static int hw_alloc_regmap(struct ci_hdrc *ci, bool is_lpm)
{
int i;
*
* This function returns an error code
*/
-int hw_port_test_set(struct ci13xxx *ci, u8 mode)
+int hw_port_test_set(struct ci_hdrc *ci, u8 mode)
{
const u8 TEST_MODE_MAX = 7;
*
* This function returns port test mode value
*/
-u8 hw_port_test_get(struct ci13xxx *ci)
+u8 hw_port_test_get(struct ci_hdrc *ci)
{
return hw_read(ci, OP_PORTSC, PORTSC_PTC) >> __ffs(PORTSC_PTC);
}
-static int hw_device_init(struct ci13xxx *ci, void __iomem *base)
+static int hw_device_init(struct ci_hdrc *ci, void __iomem *base)
{
u32 reg;
return 0;
}
-static void hw_phymode_configure(struct ci13xxx *ci)
+static void hw_phymode_configure(struct ci_hdrc *ci)
{
u32 portsc, lpm, sts;
*
* This function returns an error code
*/
-int hw_device_reset(struct ci13xxx *ci, u32 mode)
+int hw_device_reset(struct ci_hdrc *ci, u32 mode)
{
/* should flush & stop before reset */
hw_write(ci, OP_ENDPTFLUSH, ~0, ~0);
if (ci->platdata->notify_event)
ci->platdata->notify_event(ci,
- CI13XXX_CONTROLLER_RESET_EVENT);
+ CI_HDRC_CONTROLLER_RESET_EVENT);
- if (ci->platdata->flags & CI13XXX_DISABLE_STREAMING)
+ if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING)
hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS);
/* USBMODE should be configured step by step */
* ci_otg_role - pick role based on ID pin state
* @ci: the controller
*/
-static enum ci_role ci_otg_role(struct ci13xxx *ci)
+static enum ci_role ci_otg_role(struct ci_hdrc *ci)
{
u32 sts = hw_read(ci, OP_OTGSC, ~0);
enum ci_role role = sts & OTGSC_ID
*/
static void ci_role_work(struct work_struct *work)
{
- struct ci13xxx *ci = container_of(work, struct ci13xxx, work);
+ struct ci_hdrc *ci = container_of(work, struct ci_hdrc, work);
enum ci_role role = ci_otg_role(ci);
if (role != ci->role) {
static irqreturn_t ci_irq(int irq, void *data)
{
- struct ci13xxx *ci = data;
+ struct ci_hdrc *ci = data;
irqreturn_t ret = IRQ_NONE;
u32 otgsc = 0;
static DEFINE_IDA(ci_ida);
-struct platform_device *ci13xxx_add_device(struct device *dev,
+struct platform_device *ci_hdrc_add_device(struct device *dev,
struct resource *res, int nres,
- struct ci13xxx_platform_data *platdata)
+ struct ci_hdrc_platform_data *platdata)
{
struct platform_device *pdev;
int id, ret;
ida_simple_remove(&ci_ida, id);
return ERR_PTR(ret);
}
-EXPORT_SYMBOL_GPL(ci13xxx_add_device);
+EXPORT_SYMBOL_GPL(ci_hdrc_add_device);
-void ci13xxx_remove_device(struct platform_device *pdev)
+void ci_hdrc_remove_device(struct platform_device *pdev)
{
int id = pdev->id;
platform_device_unregister(pdev);
ida_simple_remove(&ci_ida, id);
}
-EXPORT_SYMBOL_GPL(ci13xxx_remove_device);
+EXPORT_SYMBOL_GPL(ci_hdrc_remove_device);
static int ci_hdrc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct ci13xxx *ci;
+ struct ci_hdrc *ci;
struct resource *res;
void __iomem *base;
int ret;
static int ci_hdrc_remove(struct platform_device *pdev)
{
- struct ci13xxx *ci = platform_get_drvdata(pdev);
+ struct ci_hdrc *ci = platform_get_drvdata(pdev);
dbg_remove_files(ci);
flush_workqueue(ci->wq);
*/
static int ci_device_show(struct seq_file *s, void *data)
{
- struct ci13xxx *ci = s->private;
+ struct ci_hdrc *ci = s->private;
struct usb_gadget *gadget = &ci->gadget;
seq_printf(s, "speed = %d\n", gadget->speed);
*/
static int ci_port_test_show(struct seq_file *s, void *data)
{
- struct ci13xxx *ci = s->private;
+ struct ci_hdrc *ci = s->private;
unsigned long flags;
unsigned mode;
size_t count, loff_t *ppos)
{
struct seq_file *s = file->private_data;
- struct ci13xxx *ci = s->private;
+ struct ci_hdrc *ci = s->private;
unsigned long flags;
unsigned mode;
char buf[32];
*/
static int ci_qheads_show(struct seq_file *s, void *data)
{
- struct ci13xxx *ci = s->private;
+ struct ci_hdrc *ci = s->private;
unsigned long flags;
unsigned i, j;
spin_lock_irqsave(&ci->lock, flags);
for (i = 0; i < ci->hw_ep_max/2; i++) {
- struct ci13xxx_ep *hweprx = &ci->ci13xxx_ep[i];
- struct ci13xxx_ep *hweptx =
- &ci->ci13xxx_ep[i + ci->hw_ep_max/2];
+ struct ci_hw_ep *hweprx = &ci->ci_hw_ep[i];
+ struct ci_hw_ep *hweptx =
+ &ci->ci_hw_ep[i + ci->hw_ep_max/2];
seq_printf(s, "EP=%02i: RX=%08X TX=%08X\n",
i, (u32)hweprx->qh.dma, (u32)hweptx->qh.dma);
- for (j = 0; j < (sizeof(struct ci13xxx_qh)/sizeof(u32)); j++)
+ for (j = 0; j < (sizeof(struct ci_hw_qh)/sizeof(u32)); j++)
seq_printf(s, " %04X: %08X %08X\n", j,
*((u32 *)hweprx->qh.ptr + j),
*((u32 *)hweptx->qh.ptr + j));
*/
static int ci_requests_show(struct seq_file *s, void *data)
{
- struct ci13xxx *ci = s->private;
+ struct ci_hdrc *ci = s->private;
unsigned long flags;
struct list_head *ptr = NULL;
- struct ci13xxx_req *req = NULL;
+ struct ci_hw_req *req = NULL;
struct td_node *node, *tmpnode;
- unsigned i, j, qsize = sizeof(struct ci13xxx_td)/sizeof(u32);
+ unsigned i, j, qsize = sizeof(struct ci_hw_td)/sizeof(u32);
if (ci->role != CI_ROLE_GADGET) {
seq_printf(s, "not in gadget mode\n");
spin_lock_irqsave(&ci->lock, flags);
for (i = 0; i < ci->hw_ep_max; i++)
- list_for_each(ptr, &ci->ci13xxx_ep[i].qh.queue) {
- req = list_entry(ptr, struct ci13xxx_req, queue);
+ list_for_each(ptr, &ci->ci_hw_ep[i].qh.queue) {
+ req = list_entry(ptr, struct ci_hw_req, queue);
list_for_each_entry_safe(node, tmpnode, &req->tds, td) {
seq_printf(s, "EP=%02i: TD=%08X %s\n",
static int ci_role_show(struct seq_file *s, void *data)
{
- struct ci13xxx *ci = s->private;
+ struct ci_hdrc *ci = s->private;
seq_printf(s, "%s\n", ci_role(ci)->name);
size_t count, loff_t *ppos)
{
struct seq_file *s = file->private_data;
- struct ci13xxx *ci = s->private;
+ struct ci_hdrc *ci = s->private;
enum ci_role role;
char buf[8];
int ret;
*
* This function returns an error code
*/
-int dbg_create_files(struct ci13xxx *ci)
+int dbg_create_files(struct ci_hdrc *ci)
{
struct dentry *dent;
* dbg_remove_files: destroys the attribute interface
* @ci: device
*/
-void dbg_remove_files(struct ci13xxx *ci)
+void dbg_remove_files(struct ci_hdrc *ci)
{
debugfs_remove_recursive(ci->debugfs);
}
#define __DRIVERS_USB_CHIPIDEA_DEBUG_H
#ifdef CONFIG_USB_CHIPIDEA_DEBUG
-int dbg_create_files(struct ci13xxx *ci);
-void dbg_remove_files(struct ci13xxx *ci);
+int dbg_create_files(struct ci_hdrc *ci);
+void dbg_remove_files(struct ci_hdrc *ci);
#else
-static inline int dbg_create_files(struct ci13xxx *ci)
+static inline int dbg_create_files(struct ci_hdrc *ci)
{
return 0;
}
-static inline void dbg_remove_files(struct ci13xxx *ci)
+static inline void dbg_remove_files(struct ci_hdrc *ci)
{
}
#endif
static struct hc_driver __read_mostly ci_ehci_hc_driver;
-static irqreturn_t host_irq(struct ci13xxx *ci)
+static irqreturn_t host_irq(struct ci_hdrc *ci)
{
return usb_hcd_irq(ci->irq, ci->hcd);
}
-static int host_start(struct ci13xxx *ci)
+static int host_start(struct ci_hdrc *ci)
{
struct usb_hcd *hcd;
struct ehci_hcd *ehci;
else
ci->hcd = hcd;
- if (ci->platdata->flags & CI13XXX_DISABLE_STREAMING)
+ if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING)
hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS);
return ret;
}
-static void host_stop(struct ci13xxx *ci)
+static void host_stop(struct ci_hdrc *ci)
{
struct usb_hcd *hcd = ci->hcd;
usb_put_hcd(hcd);
}
-int ci_hdrc_host_init(struct ci13xxx *ci)
+int ci_hdrc_host_init(struct ci_hdrc *ci)
{
struct ci_role_driver *rdrv;
#ifdef CONFIG_USB_CHIPIDEA_HOST
-int ci_hdrc_host_init(struct ci13xxx *ci);
+int ci_hdrc_host_init(struct ci_hdrc *ci);
#else
-static inline int ci_hdrc_host_init(struct ci13xxx *ci)
+static inline int ci_hdrc_host_init(struct ci_hdrc *ci)
{
return -ENXIO;
}
return num + (dir ? 16 : 0);
}
-static inline int ep_to_bit(struct ci13xxx *ci, int n)
+static inline int ep_to_bit(struct ci_hdrc *ci, int n)
{
int fill = 16 - ci->hw_ep_max / 2;
*
* This function returns an error code
*/
-static int hw_device_state(struct ci13xxx *ci, u32 dma)
+static int hw_device_state(struct ci_hdrc *ci, u32 dma)
{
if (dma) {
hw_write(ci, OP_ENDPTLISTADDR, ~0, dma);
*
* This function returns an error code
*/
-static int hw_ep_flush(struct ci13xxx *ci, int num, int dir)
+static int hw_ep_flush(struct ci_hdrc *ci, int num, int dir)
{
int n = hw_ep_bit(num, dir);
*
* This function returns an error code
*/
-static int hw_ep_disable(struct ci13xxx *ci, int num, int dir)
+static int hw_ep_disable(struct ci_hdrc *ci, int num, int dir)
{
hw_ep_flush(ci, num, dir);
hw_write(ci, OP_ENDPTCTRL + num,
*
* This function returns an error code
*/
-static int hw_ep_enable(struct ci13xxx *ci, int num, int dir, int type)
+static int hw_ep_enable(struct ci_hdrc *ci, int num, int dir, int type)
{
u32 mask, data;
*
* This function returns 1 if endpoint halted
*/
-static int hw_ep_get_halt(struct ci13xxx *ci, int num, int dir)
+static int hw_ep_get_halt(struct ci_hdrc *ci, int num, int dir)
{
u32 mask = dir ? ENDPTCTRL_TXS : ENDPTCTRL_RXS;
*
* This function returns setup status
*/
-static int hw_test_and_clear_setup_status(struct ci13xxx *ci, int n)
+static int hw_test_and_clear_setup_status(struct ci_hdrc *ci, int n)
{
n = ep_to_bit(ci, n);
return hw_test_and_clear(ci, OP_ENDPTSETUPSTAT, BIT(n));
*
* This function returns an error code
*/
-static int hw_ep_prime(struct ci13xxx *ci, int num, int dir, int is_ctrl)
+static int hw_ep_prime(struct ci_hdrc *ci, int num, int dir, int is_ctrl)
{
int n = hw_ep_bit(num, dir);
*
* This function returns an error code
*/
-static int hw_ep_set_halt(struct ci13xxx *ci, int num, int dir, int value)
+static int hw_ep_set_halt(struct ci_hdrc *ci, int num, int dir, int value)
{
if (value != 0 && value != 1)
return -EINVAL;
do {
- enum ci13xxx_regs reg = OP_ENDPTCTRL + num;
+ enum ci_hw_regs reg = OP_ENDPTCTRL + num;
u32 mask_xs = dir ? ENDPTCTRL_TXS : ENDPTCTRL_RXS;
u32 mask_xr = dir ? ENDPTCTRL_TXR : ENDPTCTRL_RXR;
*
* This function returns true if high speed port
*/
-static int hw_port_is_high_speed(struct ci13xxx *ci)
+static int hw_port_is_high_speed(struct ci_hdrc *ci)
{
return ci->hw_bank.lpm ? hw_read(ci, OP_DEVLC, DEVLC_PSPD) :
hw_read(ci, OP_PORTSC, PORTSC_HSP);
*
* This function returns register data
*/
-static u32 hw_read_intr_enable(struct ci13xxx *ci)
+static u32 hw_read_intr_enable(struct ci_hdrc *ci)
{
return hw_read(ci, OP_USBINTR, ~0);
}
*
* This function returns register data
*/
-static u32 hw_read_intr_status(struct ci13xxx *ci)
+static u32 hw_read_intr_status(struct ci_hdrc *ci)
{
return hw_read(ci, OP_USBSTS, ~0);
}
*
* This function returns complete status
*/
-static int hw_test_and_clear_complete(struct ci13xxx *ci, int n)
+static int hw_test_and_clear_complete(struct ci_hdrc *ci, int n)
{
n = ep_to_bit(ci, n);
return hw_test_and_clear(ci, OP_ENDPTCOMPLETE, BIT(n));
*
* This function returns active interrutps
*/
-static u32 hw_test_and_clear_intr_active(struct ci13xxx *ci)
+static u32 hw_test_and_clear_intr_active(struct ci_hdrc *ci)
{
u32 reg = hw_read_intr_status(ci) & hw_read_intr_enable(ci);
*
* This function returns guard value
*/
-static int hw_test_and_clear_setup_guard(struct ci13xxx *ci)
+static int hw_test_and_clear_setup_guard(struct ci_hdrc *ci)
{
return hw_test_and_write(ci, OP_USBCMD, USBCMD_SUTW, 0);
}
*
* This function returns guard value
*/
-static int hw_test_and_set_setup_guard(struct ci13xxx *ci)
+static int hw_test_and_set_setup_guard(struct ci_hdrc *ci)
{
return hw_test_and_write(ci, OP_USBCMD, USBCMD_SUTW, USBCMD_SUTW);
}
* This function explicitly sets the address, without the "USBADRA" (advance)
* feature, which is not supported by older versions of the controller.
*/
-static void hw_usb_set_address(struct ci13xxx *ci, u8 value)
+static void hw_usb_set_address(struct ci_hdrc *ci, u8 value)
{
hw_write(ci, OP_DEVICEADDR, DEVICEADDR_USBADR,
value << __ffs(DEVICEADDR_USBADR));
*
* This function returns an error code
*/
-static int hw_usb_reset(struct ci13xxx *ci)
+static int hw_usb_reset(struct ci_hdrc *ci)
{
hw_usb_set_address(ci, 0);
* UTIL block
*****************************************************************************/
-static int add_td_to_list(struct ci13xxx_ep *hwep, struct ci13xxx_req *hwreq,
+static int add_td_to_list(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq,
unsigned length)
{
int i;
return -ENOMEM;
}
- memset(node->ptr, 0, sizeof(struct ci13xxx_td));
+ memset(node->ptr, 0, sizeof(struct ci_hw_td));
node->ptr->token = cpu_to_le32(length << __ffs(TD_TOTAL_BYTES));
node->ptr->token &= cpu_to_le32(TD_TOTAL_BYTES);
node->ptr->token |= cpu_to_le32(TD_STATUS_ACTIVE);
if (length) {
node->ptr->page[0] = cpu_to_le32(temp);
for (i = 1; i < TD_PAGE_COUNT; i++) {
- u32 page = temp + i * CI13XXX_PAGE_SIZE;
+ u32 page = temp + i * CI_HDRC_PAGE_SIZE;
page &= ~TD_RESERVED_MASK;
node->ptr->page[i] = cpu_to_le32(page);
}
* _usb_addr: calculates endpoint address from direction & number
* @ep: endpoint
*/
-static inline u8 _usb_addr(struct ci13xxx_ep *ep)
+static inline u8 _usb_addr(struct ci_hw_ep *ep)
{
return ((ep->dir == TX) ? USB_ENDPOINT_DIR_MASK : 0) | ep->num;
}
*
* This function returns an error code
*/
-static int _hardware_enqueue(struct ci13xxx_ep *hwep, struct ci13xxx_req *hwreq)
+static int _hardware_enqueue(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq)
{
- struct ci13xxx *ci = hwep->ci;
+ struct ci_hdrc *ci = hwep->ci;
int ret = 0;
unsigned rest = hwreq->req.length;
int pages = TD_PAGE_COUNT;
while (rest > 0) {
unsigned count = min(hwreq->req.length - hwreq->req.actual,
- (unsigned)(pages * CI13XXX_PAGE_SIZE));
+ (unsigned)(pages * CI_HDRC_PAGE_SIZE));
add_td_to_list(hwep, hwreq, count);
rest -= count;
}
hwreq->req.actual = 0;
if (!list_empty(&hwep->qh.queue)) {
- struct ci13xxx_req *hwreqprev;
+ struct ci_hw_req *hwreqprev;
int n = hw_ep_bit(hwep->num, hwep->dir);
int tmp_stat;
struct td_node *prevlastnode;
u32 next = firstnode->dma & TD_ADDR_MASK;
hwreqprev = list_entry(hwep->qh.queue.prev,
- struct ci13xxx_req, queue);
+ struct ci_hw_req, queue);
prevlastnode = list_entry(hwreqprev->tds.prev,
struct td_node, td);
* free_pending_td: remove a pending request for the endpoint
* @hwep: endpoint
*/
-static void free_pending_td(struct ci13xxx_ep *hwep)
+static void free_pending_td(struct ci_hw_ep *hwep)
{
struct td_node *pending = hwep->pending_td;
*
* This function returns an error code
*/
-static int _hardware_dequeue(struct ci13xxx_ep *hwep, struct ci13xxx_req *hwreq)
+static int _hardware_dequeue(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq)
{
u32 tmptoken;
struct td_node *node, *tmpnode;
* This function returns an error code
* Caller must hold lock
*/
-static int _ep_nuke(struct ci13xxx_ep *hwep)
+static int _ep_nuke(struct ci_hw_ep *hwep)
__releases(hwep->lock)
__acquires(hwep->lock)
{
while (!list_empty(&hwep->qh.queue)) {
/* pop oldest request */
- struct ci13xxx_req *hwreq = list_entry(hwep->qh.queue.next,
- struct ci13xxx_req,
- queue);
+ struct ci_hw_req *hwreq = list_entry(hwep->qh.queue.next,
+ struct ci_hw_req, queue);
list_for_each_entry_safe(node, tmpnode, &hwreq->tds, td) {
dma_pool_free(hwep->td_pool, node->ptr, node->dma);
static int _gadget_stop_activity(struct usb_gadget *gadget)
{
struct usb_ep *ep;
- struct ci13xxx *ci = container_of(gadget, struct ci13xxx, gadget);
+ struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget);
unsigned long flags;
spin_lock_irqsave(&ci->lock, flags);
*
* This function resets USB engine after a bus reset occurred
*/
-static void isr_reset_handler(struct ci13xxx *ci)
+static void isr_reset_handler(struct ci_hdrc *ci)
__releases(ci->lock)
__acquires(ci->lock)
{
static int _ep_queue(struct usb_ep *ep, struct usb_request *req,
gfp_t __maybe_unused gfp_flags)
{
- struct ci13xxx_ep *hwep = container_of(ep, struct ci13xxx_ep, ep);
- struct ci13xxx_req *hwreq = container_of(req, struct ci13xxx_req, req);
- struct ci13xxx *ci = hwep->ci;
+ struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep);
+ struct ci_hw_req *hwreq = container_of(req, struct ci_hw_req, req);
+ struct ci_hdrc *ci = hwep->ci;
int retval = 0;
if (ep == NULL || req == NULL || hwep->ep.desc == NULL)
*
* This function returns an error code
*/
-static int isr_get_status_response(struct ci13xxx *ci,
+static int isr_get_status_response(struct ci_hdrc *ci,
struct usb_ctrlrequest *setup)
__releases(hwep->lock)
__acquires(hwep->lock)
{
- struct ci13xxx_ep *hwep = ci->ep0in;
+ struct ci_hw_ep *hwep = ci->ep0in;
struct usb_request *req = NULL;
gfp_t gfp_flags = GFP_ATOMIC;
int dir, num, retval;
static void
isr_setup_status_complete(struct usb_ep *ep, struct usb_request *req)
{
- struct ci13xxx *ci = req->context;
+ struct ci_hdrc *ci = req->context;
unsigned long flags;
if (ci->setaddr) {
*
* This function returns an error code
*/
-static int isr_setup_status_phase(struct ci13xxx *ci)
+static int isr_setup_status_phase(struct ci_hdrc *ci)
{
int retval;
- struct ci13xxx_ep *hwep;
+ struct ci_hw_ep *hwep;
hwep = (ci->ep0_dir == TX) ? ci->ep0out : ci->ep0in;
ci->status->context = ci;
* This function returns an error code
* Caller must hold lock
*/
-static int isr_tr_complete_low(struct ci13xxx_ep *hwep)
+static int isr_tr_complete_low(struct ci_hw_ep *hwep)
__releases(hwep->lock)
__acquires(hwep->lock)
{
- struct ci13xxx_req *hwreq, *hwreqtemp;
- struct ci13xxx_ep *hweptemp = hwep;
+ struct ci_hw_req *hwreq, *hwreqtemp;
+ struct ci_hw_ep *hweptemp = hwep;
int retval = 0;
list_for_each_entry_safe(hwreq, hwreqtemp, &hwep->qh.queue,
*
* This function handles traffic events
*/
-static void isr_tr_complete_handler(struct ci13xxx *ci)
+static void isr_tr_complete_handler(struct ci_hdrc *ci)
__releases(ci->lock)
__acquires(ci->lock)
{
u8 tmode = 0;
for (i = 0; i < ci->hw_ep_max; i++) {
- struct ci13xxx_ep *hwep = &ci->ci13xxx_ep[i];
+ struct ci_hw_ep *hwep = &ci->ci_hw_ep[i];
int type, num, dir, err = -EINVAL;
struct usb_ctrlrequest req;
num &= USB_ENDPOINT_NUMBER_MASK;
if (dir) /* TX */
num += ci->hw_ep_max/2;
- if (!ci->ci13xxx_ep[num].wedge) {
+ if (!ci->ci_hw_ep[num].wedge) {
spin_unlock(&ci->lock);
err = usb_ep_clear_halt(
- &ci->ci13xxx_ep[num].ep);
+ &ci->ci_hw_ep[num].ep);
spin_lock(&ci->lock);
if (err)
break;
num += ci->hw_ep_max/2;
spin_unlock(&ci->lock);
- err = usb_ep_set_halt(&ci->ci13xxx_ep[num].ep);
+ err = usb_ep_set_halt(&ci->ci_hw_ep[num].ep);
spin_lock(&ci->lock);
if (!err)
isr_setup_status_phase(ci);
static int ep_enable(struct usb_ep *ep,
const struct usb_endpoint_descriptor *desc)
{
- struct ci13xxx_ep *hwep = container_of(ep, struct ci13xxx_ep, ep);
+ struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep);
int retval = 0;
unsigned long flags;
u32 cap = 0;
*/
static int ep_disable(struct usb_ep *ep)
{
- struct ci13xxx_ep *hwep = container_of(ep, struct ci13xxx_ep, ep);
+ struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep);
int direction, retval = 0;
unsigned long flags;
*/
static struct usb_request *ep_alloc_request(struct usb_ep *ep, gfp_t gfp_flags)
{
- struct ci13xxx_req *hwreq = NULL;
+ struct ci_hw_req *hwreq = NULL;
if (ep == NULL)
return NULL;
- hwreq = kzalloc(sizeof(struct ci13xxx_req), gfp_flags);
+ hwreq = kzalloc(sizeof(struct ci_hw_req), gfp_flags);
if (hwreq != NULL) {
INIT_LIST_HEAD(&hwreq->queue);
INIT_LIST_HEAD(&hwreq->tds);
*/
static void ep_free_request(struct usb_ep *ep, struct usb_request *req)
{
- struct ci13xxx_ep *hwep = container_of(ep, struct ci13xxx_ep, ep);
- struct ci13xxx_req *hwreq = container_of(req, struct ci13xxx_req, req);
+ struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep);
+ struct ci_hw_req *hwreq = container_of(req, struct ci_hw_req, req);
struct td_node *node, *tmpnode;
unsigned long flags;
static int ep_queue(struct usb_ep *ep, struct usb_request *req,
gfp_t __maybe_unused gfp_flags)
{
- struct ci13xxx_ep *hwep = container_of(ep, struct ci13xxx_ep, ep);
+ struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep);
int retval = 0;
unsigned long flags;
*/
static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
{
- struct ci13xxx_ep *hwep = container_of(ep, struct ci13xxx_ep, ep);
- struct ci13xxx_req *hwreq = container_of(req, struct ci13xxx_req, req);
+ struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep);
+ struct ci_hw_req *hwreq = container_of(req, struct ci_hw_req, req);
unsigned long flags;
if (ep == NULL || req == NULL || hwreq->req.status != -EALREADY ||
*/
static int ep_set_halt(struct usb_ep *ep, int value)
{
- struct ci13xxx_ep *hwep = container_of(ep, struct ci13xxx_ep, ep);
+ struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep);
int direction, retval = 0;
unsigned long flags;
*/
static int ep_set_wedge(struct usb_ep *ep)
{
- struct ci13xxx_ep *hwep = container_of(ep, struct ci13xxx_ep, ep);
+ struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep);
unsigned long flags;
if (ep == NULL || hwep->ep.desc == NULL)
*/
static void ep_fifo_flush(struct usb_ep *ep)
{
- struct ci13xxx_ep *hwep = container_of(ep, struct ci13xxx_ep, ep);
+ struct ci_hw_ep *hwep = container_of(ep, struct ci_hw_ep, ep);
unsigned long flags;
if (ep == NULL) {
/******************************************************************************
* GADGET block
*****************************************************************************/
-static int ci13xxx_vbus_session(struct usb_gadget *_gadget, int is_active)
+static int ci_udc_vbus_session(struct usb_gadget *_gadget, int is_active)
{
- struct ci13xxx *ci = container_of(_gadget, struct ci13xxx, gadget);
+ struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget);
unsigned long flags;
int gadget_ready = 0;
- if (!(ci->platdata->flags & CI13XXX_PULLUP_ON_VBUS))
+ if (!(ci->platdata->flags & CI_HDRC_PULLUP_ON_VBUS))
return -EOPNOTSUPP;
spin_lock_irqsave(&ci->lock, flags);
hw_device_state(ci, 0);
if (ci->platdata->notify_event)
ci->platdata->notify_event(ci,
- CI13XXX_CONTROLLER_STOPPED_EVENT);
+ CI_HDRC_CONTROLLER_STOPPED_EVENT);
_gadget_stop_activity(&ci->gadget);
pm_runtime_put_sync(&_gadget->dev);
}
return 0;
}
-static int ci13xxx_wakeup(struct usb_gadget *_gadget)
+static int ci_udc_wakeup(struct usb_gadget *_gadget)
{
- struct ci13xxx *ci = container_of(_gadget, struct ci13xxx, gadget);
+ struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget);
unsigned long flags;
int ret = 0;
return ret;
}
-static int ci13xxx_vbus_draw(struct usb_gadget *_gadget, unsigned ma)
+static int ci_udc_vbus_draw(struct usb_gadget *_gadget, unsigned ma)
{
- struct ci13xxx *ci = container_of(_gadget, struct ci13xxx, gadget);
+ struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget);
if (ci->transceiver)
return usb_phy_set_power(ci->transceiver, ma);
/* Change Data+ pullup status
* this func is used by usb_gadget_connect/disconnet
*/
-static int ci13xxx_pullup(struct usb_gadget *_gadget, int is_on)
+static int ci_udc_pullup(struct usb_gadget *_gadget, int is_on)
{
- struct ci13xxx *ci = container_of(_gadget, struct ci13xxx, gadget);
+ struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget);
if (is_on)
hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS);
return 0;
}
-static int ci13xxx_start(struct usb_gadget *gadget,
+static int ci_udc_start(struct usb_gadget *gadget,
struct usb_gadget_driver *driver);
-static int ci13xxx_stop(struct usb_gadget *gadget,
+static int ci_udc_stop(struct usb_gadget *gadget,
struct usb_gadget_driver *driver);
/**
* Device operations part of the API to the USB controller hardware,
* Check "usb_gadget.h" for details
*/
static const struct usb_gadget_ops usb_gadget_ops = {
- .vbus_session = ci13xxx_vbus_session,
- .wakeup = ci13xxx_wakeup,
- .pullup = ci13xxx_pullup,
- .vbus_draw = ci13xxx_vbus_draw,
- .udc_start = ci13xxx_start,
- .udc_stop = ci13xxx_stop,
+ .vbus_session = ci_udc_vbus_session,
+ .wakeup = ci_udc_wakeup,
+ .pullup = ci_udc_pullup,
+ .vbus_draw = ci_udc_vbus_draw,
+ .udc_start = ci_udc_start,
+ .udc_stop = ci_udc_stop,
};
-static int init_eps(struct ci13xxx *ci)
+static int init_eps(struct ci_hdrc *ci)
{
int retval = 0, i, j;
for (i = 0; i < ci->hw_ep_max/2; i++)
for (j = RX; j <= TX; j++) {
int k = i + j * ci->hw_ep_max/2;
- struct ci13xxx_ep *hwep = &ci->ci13xxx_ep[k];
+ struct ci_hw_ep *hwep = &ci->ci_hw_ep[k];
scnprintf(hwep->name, sizeof(hwep->name), "ep%i%s", i,
(j == TX) ? "in" : "out");
return retval;
}
-static void destroy_eps(struct ci13xxx *ci)
+static void destroy_eps(struct ci_hdrc *ci)
{
int i;
for (i = 0; i < ci->hw_ep_max; i++) {
- struct ci13xxx_ep *hwep = &ci->ci13xxx_ep[i];
+ struct ci_hw_ep *hwep = &ci->ci_hw_ep[i];
dma_pool_free(ci->qh_pool, hwep->qh.ptr, hwep->qh.dma);
}
}
/**
- * ci13xxx_start: register a gadget driver
+ * ci_udc_start: register a gadget driver
* @gadget: our gadget
* @driver: the driver being registered
*
* Interrupts are enabled here.
*/
-static int ci13xxx_start(struct usb_gadget *gadget,
+static int ci_udc_start(struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
- struct ci13xxx *ci = container_of(gadget, struct ci13xxx, gadget);
+ struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget);
unsigned long flags;
int retval = -ENOMEM;
ci->driver = driver;
pm_runtime_get_sync(&ci->gadget.dev);
- if (ci->platdata->flags & CI13XXX_PULLUP_ON_VBUS) {
+ if (ci->platdata->flags & CI_HDRC_PULLUP_ON_VBUS) {
if (ci->vbus_active) {
- if (ci->platdata->flags & CI13XXX_REGS_SHARED)
+ if (ci->platdata->flags & CI_HDRC_REGS_SHARED)
hw_device_reset(ci, USBMODE_CM_DC);
} else {
pm_runtime_put_sync(&ci->gadget.dev);
}
/**
- * ci13xxx_stop: unregister a gadget driver
+ * ci_udc_stop: unregister a gadget driver
*/
-static int ci13xxx_stop(struct usb_gadget *gadget,
+static int ci_udc_stop(struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
- struct ci13xxx *ci = container_of(gadget, struct ci13xxx, gadget);
+ struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget);
unsigned long flags;
spin_lock_irqsave(&ci->lock, flags);
- if (!(ci->platdata->flags & CI13XXX_PULLUP_ON_VBUS) ||
+ if (!(ci->platdata->flags & CI_HDRC_PULLUP_ON_VBUS) ||
ci->vbus_active) {
hw_device_state(ci, 0);
if (ci->platdata->notify_event)
ci->platdata->notify_event(ci,
- CI13XXX_CONTROLLER_STOPPED_EVENT);
+ CI_HDRC_CONTROLLER_STOPPED_EVENT);
ci->driver = NULL;
spin_unlock_irqrestore(&ci->lock, flags);
_gadget_stop_activity(&ci->gadget);
* This function returns IRQ_HANDLED if the IRQ has been handled
* It locks access to registers
*/
-static irqreturn_t udc_irq(struct ci13xxx *ci)
+static irqreturn_t udc_irq(struct ci_hdrc *ci)
{
irqreturn_t retval;
u32 intr;
spin_lock(&ci->lock);
- if (ci->platdata->flags & CI13XXX_REGS_SHARED) {
+ if (ci->platdata->flags & CI_HDRC_REGS_SHARED) {
if (hw_read(ci, OP_USBMODE, USBMODE_CM) !=
USBMODE_CM_DC) {
spin_unlock(&ci->lock);
* udc_start: initialize gadget role
* @ci: chipidea controller
*/
-static int udc_start(struct ci13xxx *ci)
+static int udc_start(struct ci_hdrc *ci)
{
struct device *dev = ci->dev;
int retval = 0;
INIT_LIST_HEAD(&ci->gadget.ep_list);
/* alloc resources */
- ci->qh_pool = dma_pool_create("ci13xxx_qh", dev,
- sizeof(struct ci13xxx_qh),
- 64, CI13XXX_PAGE_SIZE);
+ ci->qh_pool = dma_pool_create("ci_hw_qh", dev,
+ sizeof(struct ci_hw_qh),
+ 64, CI_HDRC_PAGE_SIZE);
if (ci->qh_pool == NULL)
return -ENOMEM;
- ci->td_pool = dma_pool_create("ci13xxx_td", dev,
- sizeof(struct ci13xxx_td),
- 64, CI13XXX_PAGE_SIZE);
+ ci->td_pool = dma_pool_create("ci_hw_td", dev,
+ sizeof(struct ci_hw_td),
+ 64, CI_HDRC_PAGE_SIZE);
if (ci->td_pool == NULL) {
retval = -ENOMEM;
goto free_qh_pool;
ci->transceiver = NULL;
}
- if (ci->platdata->flags & CI13XXX_REQUIRE_TRANSCEIVER) {
+ if (ci->platdata->flags & CI_HDRC_REQUIRE_TRANSCEIVER) {
if (ci->transceiver == NULL) {
retval = -ENODEV;
goto destroy_eps;
}
}
- if (!(ci->platdata->flags & CI13XXX_REGS_SHARED)) {
+ if (!(ci->platdata->flags & CI_HDRC_REGS_SHARED)) {
retval = hw_device_reset(ci, USBMODE_CM_DC);
if (retval)
goto put_transceiver;
*
* No interrupts active, the IRQ has been released
*/
-static void udc_stop(struct ci13xxx *ci)
+static void udc_stop(struct ci_hdrc *ci)
{
if (ci == NULL)
return;
*
* This function enables the gadget role, if the device is "device capable".
*/
-int ci_hdrc_gadget_init(struct ci13xxx *ci)
+int ci_hdrc_gadget_init(struct ci_hdrc *ci)
{
struct ci_role_driver *rdrv;
#define TX 1 /* similar to USB_DIR_IN but can be used as an index */
/* DMA layout of transfer descriptors */
-struct ci13xxx_td {
+struct ci_hw_td {
/* 0 */
u32 next;
#define TD_TERMINATE BIT(0)
} __attribute__ ((packed, aligned(4)));
/* DMA layout of queue heads */
-struct ci13xxx_qh {
+struct ci_hw_qh {
/* 0 */
u32 cap;
#define QH_IOS BIT(15)
/* 1 */
u32 curr;
/* 2 - 8 */
- struct ci13xxx_td td;
+ struct ci_hw_td td;
/* 9 */
u32 RESERVED;
struct usb_ctrlrequest setup;
struct td_node {
struct list_head td;
dma_addr_t dma;
- struct ci13xxx_td *ptr;
+ struct ci_hw_td *ptr;
};
/**
- * struct ci13xxx_req - usb request representation
+ * struct ci_hw_req - usb request representation
* @req: request structure for gadget drivers
* @queue: link to QH list
* @ptr: transfer descriptor for this request
* @zptr: transfer descriptor for the zero packet
* @zdma: dma address of the zero packet's transfer descriptor
*/
-struct ci13xxx_req {
+struct ci_hw_req {
struct usb_request req;
struct list_head queue;
struct list_head tds;
#ifdef CONFIG_USB_CHIPIDEA_UDC
-int ci_hdrc_gadget_init(struct ci13xxx *ci);
+int ci_hdrc_gadget_init(struct ci_hdrc *ci);
#else
-static inline int ci_hdrc_gadget_init(struct ci13xxx *ci)
+static inline int ci_hdrc_gadget_init(struct ci_hdrc *ci)
{
return -ENXIO;
}
#include <linux/io.h>
#include <linux/delay.h>
-#include "ci13xxx_imx.h"
+#include "ci_hdrc_imx.h"
#define USB_DEV_MAX 4
#include <linux/usb/otg.h>
-struct ci13xxx;
-struct ci13xxx_platform_data {
+struct ci_hdrc;
+struct ci_hdrc_platform_data {
const char *name;
/* offset of the capability registers */
uintptr_t capoffset;
struct usb_phy *phy;
enum usb_phy_interface phy_mode;
unsigned long flags;
-#define CI13XXX_REGS_SHARED BIT(0)
-#define CI13XXX_REQUIRE_TRANSCEIVER BIT(1)
-#define CI13XXX_PULLUP_ON_VBUS BIT(2)
-#define CI13XXX_DISABLE_STREAMING BIT(3)
+#define CI_HDRC_REGS_SHARED BIT(0)
+#define CI_HDRC_REQUIRE_TRANSCEIVER BIT(1)
+#define CI_HDRC_PULLUP_ON_VBUS BIT(2)
+#define CI_HDRC_DISABLE_STREAMING BIT(3)
enum usb_dr_mode dr_mode;
-#define CI13XXX_CONTROLLER_RESET_EVENT 0
-#define CI13XXX_CONTROLLER_STOPPED_EVENT 1
- void (*notify_event) (struct ci13xxx *ci, unsigned event);
+#define CI_HDRC_CONTROLLER_RESET_EVENT 0
+#define CI_HDRC_CONTROLLER_STOPPED_EVENT 1
+ void (*notify_event) (struct ci_hdrc *ci, unsigned event);
};
/* Default offset of capability registers */
#define DEF_CAPOFFSET 0x100
-/* Add ci13xxx device */
-struct platform_device *ci13xxx_add_device(struct device *dev,
+/* Add ci hdrc device */
+struct platform_device *ci_hdrc_add_device(struct device *dev,
struct resource *res, int nres,
- struct ci13xxx_platform_data *platdata);
-/* Remove ci13xxx device */
-void ci13xxx_remove_device(struct platform_device *pdev);
+ struct ci_hdrc_platform_data *platdata);
+/* Remove ci hdrc device */
+void ci_hdrc_remove_device(struct platform_device *pdev);
#endif
projects / firefly-linux-kernel-4.4.55.git / commitdiff