ramips: convert to use {e,o}hci-platform driver

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34843 3c298f89-4303-0410-b956-a3cf2f4a3e73

6 files changed, 98 insertions, 462 deletions

diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt3883_ehci_platform.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt3883_ehci_platform.h
deleted file mode 100644
index a83c45850..000000000
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt3883_ehci_platform.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Platform data definition for built-in EHCI controller of the
- * Ralink RT3662/RT3883 SoCs
- *
- * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
- *
- * 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.
- */
-
-#ifndef _RT3883_EHCI_PLATFORM_H
-#define _RT3883_EHCI_PLATFORM_H
-
-struct rt3883_ehci_platform_data {
-	void	(*start_hw)(void);
-	void	(*stop_hw)(void);
-};
-
-#endif /*  _RT3883_EHCI_PLATFORM_H */
diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt3883_ohci_platform.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt3883_ohci_platform.h
deleted file mode 100644
index cc8383bf3..000000000
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt3883_ohci_platform.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Platform data definition for built-in OHCI controller of the
- * Ralink RT3662/RT3883 SoCs
- *
- * Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
- *
- * 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.
- */
-
-#ifndef _RT3883_OHCI_PLATFORM_H
-#define _RT3883_OHCI_PLATFORM_H
-
-struct rt3883_ohci_platform_data {
-	void	(*start_hw)(void);
-	void	(*stop_hw)(void);
-};
-
-#endif /*  _RT3883_OHCI_PLATFORM_H */
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c
index 56eae8a9d..a8e0604e3 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c
@@ -18,6 +18,8 @@
 #include <linux/rt2x00_platform.h>
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
+#include <linux/usb/ehci_pdriver.h>
+#include <linux/usb/ohci_pdriver.h>
 
 #include <asm/addrspace.h>
 
@@ -27,8 +29,6 @@
 
 #include <ramips_eth_platform.h>
 #include <rt305x_esw_platform.h>
-#include <rt3883_ehci_platform.h>
-#include <rt3883_ohci_platform.h>
 
 static struct resource rt305x_flash0_resources[] = {
 	{
@@ -297,60 +297,63 @@ static struct platform_device rt305x_dwc_otg_device = {
 	}
 };
 
-static atomic_t rt3352_usb_use_count = ATOMIC_INIT(0);
+static atomic_t rt3352_usb_pwr_ref = ATOMIC_INIT(0);
 
-static void rt3352_usb_host_start(void)
+static int rt3352_usb_power_on(struct platform_device *pdev)
 {
-	u32 t;
 
-	if (atomic_inc_return(&rt3352_usb_use_count) != 1)
-		return;
+	if (atomic_inc_return(&rt3352_usb_pwr_ref) == 1) {
+		u32 t;
 
-	t = rt305x_sysc_rr(RT3352_SYSC_REG_USB_PS);
+		t = rt305x_sysc_rr(RT3352_SYSC_REG_USB_PS);
 
-	/* enable clock for port0's and port1's phys */
-	t = rt305x_sysc_rr(RT3352_SYSC_REG_CLKCFG1);
-	t = t | RT3352_CLKCFG1_UPHY0_CLK_EN | RT3352_CLKCFG1_UPHY1_CLK_EN;
-	rt305x_sysc_wr(t, RT3352_SYSC_REG_CLKCFG1);
-	mdelay(500);
+		/* enable clock for port0's and port1's phys */
+		t = rt305x_sysc_rr(RT3352_SYSC_REG_CLKCFG1);
+		t |= RT3352_CLKCFG1_UPHY0_CLK_EN | RT3352_CLKCFG1_UPHY1_CLK_EN;
+		rt305x_sysc_wr(t, RT3352_SYSC_REG_CLKCFG1);
+		mdelay(500);
 
-	/* pull USBHOST and USBDEV out from reset */
-	t = rt305x_sysc_rr(RT3352_SYSC_REG_RSTCTRL);
-	t &= ~(RT3352_RSTCTRL_UHST | RT3352_RSTCTRL_UDEV);
-	rt305x_sysc_wr(t, RT3352_SYSC_REG_RSTCTRL);
-	mdelay(500);
+		/* pull USBHOST and USBDEV out from reset */
+		t = rt305x_sysc_rr(RT3352_SYSC_REG_RSTCTRL);
+		t &= ~(RT3352_RSTCTRL_UHST | RT3352_RSTCTRL_UDEV);
+		rt305x_sysc_wr(t, RT3352_SYSC_REG_RSTCTRL);
+		mdelay(500);
 
-	/* enable host mode */
-	t = rt305x_sysc_rr(RT3352_SYSC_REG_SYSCFG1);
-	t |= RT3352_SYSCFG1_USB0_HOST_MODE;
-	rt305x_sysc_wr(t, RT3352_SYSC_REG_SYSCFG1);
+		/* enable host mode */
+		t = rt305x_sysc_rr(RT3352_SYSC_REG_SYSCFG1);
+		t |= RT3352_SYSCFG1_USB0_HOST_MODE;
+		rt305x_sysc_wr(t, RT3352_SYSC_REG_SYSCFG1);
+
+		t = rt305x_sysc_rr(RT3352_SYSC_REG_USB_PS);
+	}
 
-	t = rt305x_sysc_rr(RT3352_SYSC_REG_USB_PS);
+	return 0;
 }
 
-static void rt3352_usb_host_stop(void)
+static void rt3352_usb_power_off(struct platform_device *pdev)
 {
-	u32 t;
 
-	if (atomic_dec_return(&rt3352_usb_use_count) != 0)
-		return;
+	if (atomic_dec_return(&rt3352_usb_pwr_ref) == 0) {
+		u32 t;
 
-	/* put USBHOST and USBDEV into reset */
-	t = rt305x_sysc_rr(RT3352_SYSC_REG_RSTCTRL);
-	t |= RT3352_RSTCTRL_UHST | RT3352_RSTCTRL_UDEV;
-	rt305x_sysc_wr(t, RT3352_SYSC_REG_RSTCTRL);
-	udelay(10000);
-
-	/* disable clock for port0's and port1's phys*/
-	t = rt305x_sysc_rr(RT3352_SYSC_REG_CLKCFG1);
-	t &= ~(RT3352_CLKCFG1_UPHY0_CLK_EN | RT3352_CLKCFG1_UPHY1_CLK_EN);
-	rt305x_sysc_wr(t, RT3352_SYSC_REG_CLKCFG1);
-	udelay(10000);
+		/* put USBHOST and USBDEV into reset */
+		t = rt305x_sysc_rr(RT3352_SYSC_REG_RSTCTRL);
+		t |= RT3352_RSTCTRL_UHST | RT3352_RSTCTRL_UDEV;
+		rt305x_sysc_wr(t, RT3352_SYSC_REG_RSTCTRL);
+		udelay(10000);
+
+		/* disable clock for port0's and port1's phys*/
+		t = rt305x_sysc_rr(RT3352_SYSC_REG_CLKCFG1);
+		t &= ~(RT3352_CLKCFG1_UPHY0_CLK_EN | RT3352_CLKCFG1_UPHY1_CLK_EN);
+		rt305x_sysc_wr(t, RT3352_SYSC_REG_CLKCFG1);
+		udelay(10000);
+	}
 }
 
-static struct rt3883_ehci_platform_data rt3352_ehci_data = {
-	.start_hw	= rt3352_usb_host_start,
-	.stop_hw	= rt3352_usb_host_stop,
+static struct usb_ehci_pdata rt3352_ehci_data = {
+	.port_power_off	= 1,
+	.power_on	= rt3352_usb_power_on,
+	.power_off	= rt3352_usb_power_off,
 };
 
 static struct resource rt3352_ehci_resources[] = {
@@ -367,7 +370,7 @@ static struct resource rt3352_ehci_resources[] = {
 
 static u64 rt3352_ehci_dmamask = DMA_BIT_MASK(32);
 static struct platform_device rt3352_ehci_device = {
-	.name		= "rt3883-ehci",
+	.name		= "ehci-platform",
 	.id		= -1,
 	.resource	= rt3352_ehci_resources,
 	.num_resources	= ARRAY_SIZE(rt3352_ehci_resources),
@@ -390,14 +393,14 @@ static struct resource rt3352_ohci_resources[] = {
 	},
 };
 
-static struct rt3883_ohci_platform_data rt3352_ohci_data = {
-	.start_hw	= rt3352_usb_host_start,
-	.stop_hw	= rt3352_usb_host_stop,
+static struct usb_ohci_pdata rt3352_ohci_data = {
+	.power_on	= rt3352_usb_power_on,
+	.power_off	= rt3352_usb_power_off,
 };
 
 static u64 rt3352_ohci_dmamask = DMA_BIT_MASK(32);
 static struct platform_device rt3352_ohci_device = {
-	.name		= "rt3883-ohci",
+	.name		= "ohci-platform",
 	.id		= -1,
 	.resource	= rt3352_ohci_resources,
 	.num_resources	= ARRAY_SIZE(rt3352_ohci_resources),
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c b/target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c
index c9863ab39..fef4cc554 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt3883/devices.c
@@ -19,13 +19,13 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/rt2x00_platform.h>
+#include <linux/usb/ehci_pdriver.h>
+#include <linux/usb/ohci_pdriver.h>
 
 #include <asm/addrspace.h>
 
 #include <asm/mach-ralink/rt3883.h>
 #include <asm/mach-ralink/rt3883_regs.h>
-#include <asm/mach-ralink/rt3883_ehci_platform.h>
-#include <asm/mach-ralink/rt3883_ohci_platform.h>
 #include <asm/mach-ralink/ramips_nand_platform.h>
 #include "devices.h"
 
@@ -123,67 +123,63 @@ void __init rt3883_register_pflash(unsigned int id)
 	rt3883_flash_instance++;
 }
 
-static atomic_t rt3883_usb_use_count = ATOMIC_INIT(0);
+static atomic_t rt3883_usb_pwr_ref = ATOMIC_INIT(0);
 
-static void rt3883_usb_host_start(void)
+static int rt3883_usb_power_on(struct platform_device *pdev)
 {
-	u32 t;
 
-	if (atomic_inc_return(&rt3883_usb_use_count) != 1)
-		return;
+	if (atomic_inc_return(&rt3883_usb_pwr_ref) == 1) {
+		u32 t;
 
-	t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS);
+		t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS);
 
-#if 0
-	/* put the HOST controller into reset */
-	t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
-	t |= RT3883_RSTCTRL_UHST;
-	rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
-#endif
+		/* enable clock for port0's and port1's phys */
+		t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1);
+		t |= RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN;
+		rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1);
+		mdelay(500);
 
-	/* enable clock for port0's and port1's phys */
-	t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1);
-	t = t | RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN;
-	rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1);
-	mdelay(500);
+		/* pull USBHOST and USBDEV out from reset */
+		t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
+		t &= ~(RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV);
+		rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
+		mdelay(500);
 
-	/* pull USBHOST and USBDEV out from reset */
-	t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
-	t &= ~(RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV);
-	rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
-	mdelay(500);
+		/* enable host mode */
+		t = rt3883_sysc_rr(RT3883_SYSC_REG_SYSCFG1);
+		t |= RT3883_SYSCFG1_USB0_HOST_MODE;
+		rt3883_sysc_wr(t, RT3883_SYSC_REG_SYSCFG1);
 
-	/* enable host mode */
-	t = rt3883_sysc_rr(RT3883_SYSC_REG_SYSCFG1);
-	t |= RT3883_SYSCFG1_USB0_HOST_MODE;
-	rt3883_sysc_wr(t, RT3883_SYSC_REG_SYSCFG1);
+		t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS);
+	}
 
-	t = rt3883_sysc_rr(RT3883_SYSC_REG_USB_PS);
+	return 0;
 }
 
-static void rt3883_usb_host_stop(void)
+static void rt3883_usb_power_off(struct platform_device *pdev)
 {
-	u32 t;
-
-	if (atomic_dec_return(&rt3883_usb_use_count) != 0)
-		return;
-
-	/* put USBHOST and USBDEV into reset */
-	t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
-	t |= RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV;
-	rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
-	udelay(10000);
+	if (atomic_dec_return(&rt3883_usb_pwr_ref) == 0) {
+		u32 t;
 
-	/* disable clock for port0's and port1's phys*/
-	t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1);
-	t &= ~(RT3883_CLKCFG1_UPHY0_CLK_EN | RT3883_CLKCFG1_UPHY1_CLK_EN);
-	rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1);
-	udelay(10000);
+		/* put USBHOST and USBDEV into reset */
+		t = rt3883_sysc_rr(RT3883_SYSC_REG_RSTCTRL);
+		t |= RT3883_RSTCTRL_UHST | RT3883_RSTCTRL_UDEV;
+		rt3883_sysc_wr(t, RT3883_SYSC_REG_RSTCTRL);
+		udelay(10000);
+
+		/* disable clock for port0's and port1's phys*/
+		t = rt3883_sysc_rr(RT3883_SYSC_REG_CLKCFG1);
+		t &= ~(RT3883_CLKCFG1_UPHY0_CLK_EN |
+		       RT3883_CLKCFG1_UPHY1_CLK_EN);
+		rt3883_sysc_wr(t, RT3883_SYSC_REG_CLKCFG1);
+		udelay(10000);
+	}
 }
 
-static struct rt3883_ehci_platform_data rt3883_ehci_data = {
-	.start_hw	= rt3883_usb_host_start,
-	.stop_hw	= rt3883_usb_host_stop,
+static struct usb_ehci_pdata rt3883_ehci_data = {
+	.port_power_off	= 1,
+	.power_on	= rt3883_usb_power_on,
+	.power_off	= rt3883_usb_power_off,
 };
 
 static struct resource rt3883_ehci_resources[] = {
@@ -200,7 +196,7 @@ static struct resource rt3883_ehci_resources[] = {
 
 static u64 rt3883_ehci_dmamask = DMA_BIT_MASK(32);
 static struct platform_device rt3883_ehci_device = {
-	.name		= "rt3883-ehci",
+	.name		= "ehci-platform",
 	.id		= -1,
 	.resource	= rt3883_ehci_resources,
 	.num_resources	= ARRAY_SIZE(rt3883_ehci_resources),
@@ -223,14 +219,14 @@ static struct resource rt3883_ohci_resources[] = {
 	},
 };
 
-static struct rt3883_ohci_platform_data rt3883_ohci_data = {
-	.start_hw	= rt3883_usb_host_start,
-	.stop_hw	= rt3883_usb_host_stop,
+static struct usb_ohci_pdata rt3883_ohci_data = {
+	.power_on	= rt3883_usb_power_on,
+	.power_off	= rt3883_usb_power_off,
 };
 
 static u64 rt3883_ohci_dmamask = DMA_BIT_MASK(32);
 static struct platform_device rt3883_ohci_device = {
-	.name		= "rt3883-ohci",
+	.name		= "ohci-platform",
 	.id		= -1,
 	.resource	= rt3883_ohci_resources,
 	.num_resources	= ARRAY_SIZE(rt3883_ohci_resources),
diff --git a/target/linux/ramips/files/drivers/usb/host/ehci-rt3883.c b/target/linux/ramips/files/drivers/usb/host/ehci-rt3883.c
deleted file mode 100644
index a64cac7f3..000000000
--- a/target/linux/ramips/files/drivers/usb/host/ehci-rt3883.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- *  Bus Glue for the built-in EHCI controller of the Ralink RT3662/RT3883 SoCs
- *
- *  Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
- *
- *  Parts of this file are based on Ralink's 2.6.21 BSP
- *
- *  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 <asm/mach-ralink/rt3883.h>
-#include <asm/mach-ralink/rt3883_ehci_platform.h>
-
-static int ehci_rt3883_init(struct usb_hcd *hcd)
-{
-	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-	int ret;
-
-	ehci->caps = hcd->regs;
-	ehci->regs = hcd->regs +
-		     HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
-	dbg_hcs_params(ehci, "reset");
-	dbg_hcc_params(ehci, "reset");
-
-	ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
-	ehci->sbrn = 0x20;
-
-	ehci_reset(ehci);
-
-	ret = ehci_init(hcd);
-	if (ret)
-		return ret;
-
-	ehci_port_power(ehci, 0);
-
-	return 0;
-}
-
-static const struct hc_driver ehci_rt3883_hc_driver = {
-	.description		= hcd_name,
-	.product_desc		= "Ralink RT3883 built-in EHCI controller",
-	.hcd_priv_size		= sizeof(struct ehci_hcd),
-	.irq			= ehci_irq,
-	.flags			= HCD_MEMORY | HCD_USB2,
-
-	.reset			= ehci_rt3883_init,
-	.start			= ehci_run,
-	.stop			= ehci_stop,
-	.shutdown		= ehci_shutdown,
-
-	.urb_enqueue		= ehci_urb_enqueue,
-	.urb_dequeue		= ehci_urb_dequeue,
-	.endpoint_disable	= ehci_endpoint_disable,
-	.endpoint_reset		= ehci_endpoint_reset,
-
-	.get_frame_number	= ehci_get_frame,
-
-	.hub_status_data	= ehci_hub_status_data,
-	.hub_control		= ehci_hub_control,
-	.relinquish_port	= ehci_relinquish_port,
-	.port_handed_over	= ehci_port_handed_over,
-
-	.clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
-};
-
-static int ehci_rt3883_probe(struct platform_device *pdev)
-{
-	struct rt3883_ehci_platform_data *pdata;
-	struct usb_hcd *hcd;
-	struct resource *res;
-	int irq;
-	int ret;
-
-	if (usb_disabled())
-		return -ENODEV;
-
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!res) {
-		dev_dbg(&pdev->dev, "no IRQ specified for %s\n",
-			dev_name(&pdev->dev));
-		return -ENODEV;
-	}
-	irq = res->start;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_dbg(&pdev->dev, "no base address specified for %s\n",
-			dev_name(&pdev->dev));
-		return -ENODEV;
-	}
-
-	hcd = usb_create_hcd(&ehci_rt3883_hc_driver, &pdev->dev,
-			     dev_name(&pdev->dev));
-	if (!hcd)
-		return -ENOMEM;
-
-	hcd->rsrc_start	= res->start;
-	hcd->rsrc_len	= res->end - res->start + 1;
-
-	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-		dev_dbg(&pdev->dev, "controller already in use\n");
-		ret = -EBUSY;
-		goto err_put_hcd;
-	}
-
-	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
-	if (!hcd->regs) {
-		dev_dbg(&pdev->dev, "error mapping memory\n");
-		ret = -EFAULT;
-		goto err_release_region;
-	}
-
-	pdata = pdev->dev.platform_data;
-	if (pdata && pdata->start_hw)
-		pdata->start_hw();
-
-	ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
-	if (ret)
-		goto err_iounmap;
-
-	return 0;
-
-err_iounmap:
-	iounmap(hcd->regs);
-
-err_release_region:
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err_put_hcd:
-	usb_put_hcd(hcd);
-	return ret;
-}
-
-static int ehci_rt3883_remove(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-	struct rt3883_ehci_platform_data *pdata;
-
-	usb_remove_hcd(hcd);
-	iounmap(hcd->regs);
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-	usb_put_hcd(hcd);
-
-	pdata = pdev->dev.platform_data;
-	if (pdata && pdata->stop_hw)
-		pdata->stop_hw();
-
-	return 0;
-}
-
-static struct platform_driver ehci_rt3883_driver = {
-	.probe		= ehci_rt3883_probe,
-	.remove		= ehci_rt3883_remove,
-	.driver = {
-		.owner	= THIS_MODULE,
-		.name	= "rt3883-ehci",
-	}
-};
-
-MODULE_ALIAS("platform:rt3883-ehci");
diff --git a/target/linux/ramips/files/drivers/usb/host/ohci-rt3883.c b/target/linux/ramips/files/drivers/usb/host/ohci-rt3883.c
deleted file mode 100644
index ea13aebe5..000000000
--- a/target/linux/ramips/files/drivers/usb/host/ohci-rt3883.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- *  Bus Glue for the built-in OHCI controller of the Ralink RT3662/RT3883 SoCs
- *
- *  Copyright (C) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
- *
- *  Parts of this file are based on Ralink's 2.6.21 BSP
- *
- *  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 <asm/mach-ralink/rt3883.h>
-#include <asm/mach-ralink/rt3883_ohci_platform.h>
-
-static int __devinit ohci_rt3883_start(struct usb_hcd *hcd)
-{
-	struct ohci_hcd	*ohci = hcd_to_ohci(hcd);
-	int ret;
-
-	ret = ohci_init(ohci);
-	if (ret < 0)
-		return ret;
-
-	ret = ohci_run(ohci);
-	if (ret < 0)
-		goto err;
-
-	return 0;
-
-err:
-	ohci_stop(hcd);
-	return ret;
-}
-
-static const struct hc_driver ohci_rt3883_hc_driver = {
-	.description		= hcd_name,
-	.product_desc		= "Ralink RT3883 built-in OHCI controller",
-	.hcd_priv_size		= sizeof(struct ohci_hcd),
-
-	.irq			= ohci_irq,
-	.flags			= HCD_USB11 | HCD_MEMORY,
-
-	.start			= ohci_rt3883_start,
-	.stop			= ohci_stop,
-	.shutdown		= ohci_shutdown,
-
-	.urb_enqueue		= ohci_urb_enqueue,
-	.urb_dequeue		= ohci_urb_dequeue,
-	.endpoint_disable	= ohci_endpoint_disable,
-
-	/*
-	 * scheduling support
-	 */
-	.get_frame_number	= ohci_get_frame,
-
-	/*
-	 * root hub support
-	 */
-	.hub_status_data	= ohci_hub_status_data,
-	.hub_control		= ohci_hub_control,
-	.start_port_reset	= ohci_start_port_reset,
-};
-
-static int ohci_rt3883_probe(struct platform_device *pdev)
-{
-	struct rt3883_ohci_platform_data *pdata;
-	struct usb_hcd *hcd;
-	struct resource *res;
-	int irq;
-	int ret;
-
-	if (usb_disabled())
-		return -ENODEV;
-
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!res) {
-		dev_dbg(&pdev->dev, "no IRQ specified for %s\n",
-			dev_name(&pdev->dev));
-		return -ENODEV;
-	}
-	irq = res->start;
-
-	hcd = usb_create_hcd(&ohci_rt3883_hc_driver,
-			     &pdev->dev, dev_name(&pdev->dev));
-	if (!hcd)
-		return -ENOMEM;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_dbg(&pdev->dev, "no base address specified for %s\n",
-			dev_name(&pdev->dev));
-		ret = -ENODEV;
-		goto err_put_hcd;
-	}
-	hcd->rsrc_start	= res->start;
-	hcd->rsrc_len	= res->end - res->start + 1;
-
-	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-		dev_dbg(&pdev->dev, "controller already in use\n");
-		ret = -EBUSY;
-		goto err_put_hcd;
-	}
-
-	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
-	if (!hcd->regs) {
-		dev_dbg(&pdev->dev, "error mapping memory\n");
-		ret = -EFAULT;
-		goto err_release_region;
-	}
-
-	pdata = pdev->dev.platform_data;
-	if (pdata && pdata->start_hw)
-		pdata->start_hw();
-
-	ohci_hcd_init(hcd_to_ohci(hcd));
-
-	ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
-	if (ret)
-		goto err_stop_hcd;
-
-	return 0;
-
-err_stop_hcd:
-	iounmap(hcd->regs);
-err_release_region:
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-err_put_hcd:
-	usb_put_hcd(hcd);
-	return ret;
-}
-
-static int ohci_rt3883_remove(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-	struct rt3883_ohci_platform_data *pdata;
-
-	usb_remove_hcd(hcd);
-	iounmap(hcd->regs);
-	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
-	usb_put_hcd(hcd);
-
-	pdata = pdev->dev.platform_data;
-	if (pdata && pdata->stop_hw)
-		pdata->stop_hw();
-
-	return 0;
-}
-
-static struct platform_driver ohci_rt3883_driver = {
-	.probe		= ohci_rt3883_probe,
-	.remove		= ohci_rt3883_remove,
-	.shutdown	= usb_hcd_platform_shutdown,
-	.driver		= {
-		.name	= "rt3883-ohci",
-		.owner	= THIS_MODULE,
-	},
-};
-
-MODULE_ALIAS("platform:rt3883-ohci");