diff options
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/Kconfig | 32 | ||||
| -rw-r--r-- | drivers/usb/dwc3/Makefile | 13 | ||||
| -rw-r--r-- | drivers/usb/dwc3/core.c | 197 | ||||
| -rw-r--r-- | drivers/usb/dwc3/core.h | 53 | ||||
| -rw-r--r-- | drivers/usb/dwc3/debug.h | 34 | ||||
| -rw-r--r-- | drivers/usb/dwc3/debugfs.c | 34 | ||||
| -rw-r--r-- | drivers/usb/dwc3/dwc3-exynos.c | 22 | ||||
| -rw-r--r-- | drivers/usb/dwc3/dwc3-omap.c | 44 | ||||
| -rw-r--r-- | drivers/usb/dwc3/dwc3-pci.c | 54 | ||||
| -rw-r--r-- | drivers/usb/dwc3/ep0.c | 49 | ||||
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 257 | ||||
| -rw-r--r-- | drivers/usb/dwc3/gadget.h | 34 | ||||
| -rw-r--r-- | drivers/usb/dwc3/host.c | 34 | ||||
| -rw-r--r-- | drivers/usb/dwc3/io.h | 34 | ||||
| -rw-r--r-- | drivers/usb/dwc3/platform_data.h | 27 |
15 files changed, 366 insertions, 552 deletions
diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig index 2378958ea63e..3e225d5846f6 100644 --- a/drivers/usb/dwc3/Kconfig +++ b/drivers/usb/dwc3/Kconfig @@ -40,6 +40,38 @@ config USB_DWC3_DUAL_ROLE endchoice +comment "Platform Glue Driver Support" + +config USB_DWC3_OMAP + tristate "Texas Instruments OMAP5 and similar Platforms" + depends on EXTCON + default USB_DWC3 + help + Some platforms from Texas Instruments like OMAP5, DRA7xxx and + AM437x use this IP for USB2/3 functionality. + + Say 'Y' or 'M' here if you have one such device + +config USB_DWC3_EXYNOS + tristate "Samsung Exynos Platform" + default USB_DWC3 + help + Recent Exynos5 SoCs ship with one DesignWare Core USB3 IP inside, + say 'Y' or 'M' if you have one such device. + +config USB_DWC3_PCI + tristate "PCIe-based Platforms" + depends on PCI + default USB_DWC3 + help + If you're using the DesignWare Core IP with a PCIe, please say + 'Y' or 'M' here. + + One such PCIe-based platform is Synopsys' PCIe HAPS model of + this IP. + +comment "Debugging features" + config USB_DWC3_DEBUG bool "Enable Debugging Messages" help diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile index 0c7ac92582be..dd1760145c46 100644 --- a/drivers/usb/dwc3/Makefile +++ b/drivers/usb/dwc3/Makefile @@ -27,15 +27,8 @@ endif # the entire driver (with all its glue layers) on several architectures # and make sure it compiles fine. This will also help with allmodconfig # and allyesconfig builds. -# -# The only exception is the PCI glue layer, but that's only because -# PCI doesn't provide nops if CONFIG_PCI isn't enabled. ## -obj-$(CONFIG_USB_DWC3) += dwc3-omap.o -obj-$(CONFIG_USB_DWC3) += dwc3-exynos.o - -ifneq ($(CONFIG_PCI),) - obj-$(CONFIG_USB_DWC3) += dwc3-pci.o -endif - +obj-$(CONFIG_USB_DWC3_OMAP) += dwc3-omap.o +obj-$(CONFIG_USB_DWC3_EXYNOS) += dwc3-exynos.o +obj-$(CONFIG_USB_DWC3_PCI) += dwc3-pci.o diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 358375e0b291..474162e9d01d 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -6,34 +6,17 @@ * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the above-listed copyright holders may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2, as published by the Free - * Software Foundation. + * 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. * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/module.h> @@ -50,20 +33,18 @@ #include <linux/dma-mapping.h> #include <linux/of.h> -#include <linux/usb/otg.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> +#include <linux/usb/of.h> +#include <linux/usb/otg.h> +#include "platform_data.h" #include "core.h" #include "gadget.h" #include "io.h" #include "debug.h" -static char *maximum_speed = "super"; -module_param(maximum_speed, charp, 0); -MODULE_PARM_DESC(maximum_speed, "Maximum supported speed."); - /* -------------------------------------------------------------------------- */ void dwc3_set_mode(struct dwc3 *dwc, u32 mode) @@ -236,7 +217,7 @@ static int dwc3_event_buffers_setup(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(n), upper_32_bits(evt->dma)); dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(n), - evt->length & 0xffff); + DWC3_GEVNTSIZ_SIZE(evt->length)); dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(n), 0); } @@ -255,7 +236,8 @@ static void dwc3_event_buffers_cleanup(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(n), 0); dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(n), 0); - dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(n), 0); + dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(n), DWC3_GEVNTSIZ_INTMASK + | DWC3_GEVNTSIZ_SIZE(0)); dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(n), 0); } } @@ -367,18 +349,17 @@ static void dwc3_core_exit(struct dwc3 *dwc) static int dwc3_probe(struct platform_device *pdev) { - struct device_node *node = pdev->dev.of_node; + struct device *dev = &pdev->dev; + struct dwc3_platform_data *pdata = dev_get_platdata(dev); + struct device_node *node = dev->of_node; struct resource *res; struct dwc3 *dwc; - struct device *dev = &pdev->dev; int ret = -ENOMEM; void __iomem *regs; void *mem; - u8 mode; - mem = devm_kzalloc(dev, sizeof(*dwc) + DWC3_ALIGN_MASK, GFP_KERNEL); if (!mem) { dev_err(dev, "not enough memory\n"); @@ -402,38 +383,32 @@ static int dwc3_probe(struct platform_device *pdev) dev_err(dev, "missing memory resource\n"); return -ENODEV; } - dwc->xhci_resources[0].start = res->start; - dwc->xhci_resources[0].end = dwc->xhci_resources[0].start + - DWC3_XHCI_REGS_END; - dwc->xhci_resources[0].flags = res->flags; - dwc->xhci_resources[0].name = res->name; - - /* - * Request memory region but exclude xHCI regs, - * since it will be requested by the xhci-plat driver. - */ - res = devm_request_mem_region(dev, res->start + DWC3_GLOBALS_REGS_START, - resource_size(res) - DWC3_GLOBALS_REGS_START, - dev_name(dev)); - if (!res) { - dev_err(dev, "can't request mem region\n"); - return -ENOMEM; - } - - regs = devm_ioremap_nocache(dev, res->start, resource_size(res)); - if (!regs) { - dev_err(dev, "ioremap failed\n"); - return -ENOMEM; - } if (node) { + dwc->maximum_speed = of_usb_get_maximum_speed(node); + dwc->usb2_phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 0); dwc->usb3_phy = devm_usb_get_phy_by_phandle(dev, "usb-phy", 1); + + dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize"); + dwc->dr_mode = of_usb_get_dr_mode(node); + } else if (pdata) { + dwc->maximum_speed = pdata->maximum_speed; + + dwc->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2); + dwc->usb3_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB3); + + dwc->needs_fifo_resize = pdata->tx_fifo_resize; + dwc->dr_mode = pdata->dr_mode; } else { dwc->usb2_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2); dwc->usb3_phy = devm_usb_get_phy(dev, USB_PHY_TYPE_USB3); } + /* default to superspeed if no maximum_speed passed */ + if (dwc->maximum_speed == USB_SPEED_UNKNOWN) + dwc->maximum_speed = USB_SPEED_SUPER; + if (IS_ERR(dwc->usb2_phy)) { ret = PTR_ERR(dwc->usb2_phy); @@ -464,6 +439,22 @@ static int dwc3_probe(struct platform_device *pdev) return -EPROBE_DEFER; } + dwc->xhci_resources[0].start = res->start; + dwc->xhci_resources[0].end = dwc->xhci_resources[0].start + + DWC3_XHCI_REGS_END; + dwc->xhci_resources[0].flags = res->flags; + dwc->xhci_resources[0].name = res->name; + + res->start += DWC3_GLOBALS_REGS_START; + + /* + * Request memory region but exclude xHCI regs, + * since it will be requested by the xhci-plat driver. + */ + regs = devm_ioremap_resource(dev, res); + if (IS_ERR(regs)) + return PTR_ERR(regs); + usb_phy_set_suspend(dwc->usb2_phy, 0); usb_phy_set_suspend(dwc->usb3_phy, 0); @@ -478,19 +469,6 @@ static int dwc3_probe(struct platform_device *pdev) dev->dma_parms = dev->parent->dma_parms; dma_set_coherent_mask(dev, dev->parent->coherent_dma_mask); - if (!strncmp("super", maximum_speed, 5)) - dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; - else if (!strncmp("high", maximum_speed, 4)) - dwc->maximum_speed = DWC3_DCFG_HIGHSPEED; - else if (!strncmp("full", maximum_speed, 4)) - dwc->maximum_speed = DWC3_DCFG_FULLSPEED1; - else if (!strncmp("low", maximum_speed, 3)) - dwc->maximum_speed = DWC3_DCFG_LOWSPEED; - else - dwc->maximum_speed = DWC3_DCFG_SUPERSPEED; - - dwc->needs_fifo_resize = of_property_read_bool(node, "tx-fifo-resize"); - pm_runtime_enable(dev); pm_runtime_get_sync(dev); pm_runtime_forbid(dev); @@ -517,14 +495,15 @@ static int dwc3_probe(struct platform_device *pdev) } if (IS_ENABLED(CONFIG_USB_DWC3_HOST)) - mode = DWC3_MODE_HOST; + dwc->dr_mode = USB_DR_MODE_HOST; else if (IS_ENABLED(CONFIG_USB_DWC3_GADGET)) - mode = DWC3_MODE_DEVICE; - else - mode = DWC3_MODE_DRD; + dwc->dr_mode = USB_DR_MODE_PERIPHERAL; + + if (dwc->dr_mode == USB_DR_MODE_UNKNOWN) + dwc->dr_mode = USB_DR_MODE_OTG; - switch (mode) { - case DWC3_MODE_DEVICE: + switch (dwc->dr_mode) { + case USB_DR_MODE_PERIPHERAL: dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_DEVICE); ret = dwc3_gadget_init(dwc); if (ret) { @@ -532,7 +511,7 @@ static int dwc3_probe(struct platform_device *pdev) goto err2; } break; - case DWC3_MODE_HOST: + case USB_DR_MODE_HOST: dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_HOST); ret = dwc3_host_init(dwc); if (ret) { @@ -540,7 +519,7 @@ static int dwc3_probe(struct platform_device *pdev) goto err2; } break; - case DWC3_MODE_DRD: + case USB_DR_MODE_OTG: dwc3_set_mode(dwc, DWC3_GCTL_PRTCAP_OTG); ret = dwc3_host_init(dwc); if (ret) { @@ -555,10 +534,9 @@ static int dwc3_probe(struct platform_device *pdev) } break; default: - dev_err(dev, "Unsupported mode of operation %d\n", mode); + dev_err(dev, "Unsupported mode of operation %d\n", dwc->dr_mode); goto err2; } - dwc->mode = mode; ret = dwc3_debugfs_init(dwc); if (ret) { @@ -571,14 +549,14 @@ static int dwc3_probe(struct platform_device *pdev) return 0; err3: - switch (mode) { - case DWC3_MODE_DEVICE: + switch (dwc->dr_mode) { + case USB_DR_MODE_PERIPHERAL: dwc3_gadget_exit(dwc); break; - case DWC3_MODE_HOST: + case USB_DR_MODE_HOST: dwc3_host_exit(dwc); break; - case DWC3_MODE_DRD: + case USB_DR_MODE_OTG: dwc3_host_exit(dwc); dwc3_gadget_exit(dwc); break; @@ -611,14 +589,14 @@ static int dwc3_remove(struct platform_device *pdev) dwc3_debugfs_exit(dwc); - switch (dwc->mode) { - case DWC3_MODE_DEVICE: + switch (dwc->dr_mode) { + case USB_DR_MODE_PERIPHERAL: dwc3_gadget_exit(dwc); break; - case DWC3_MODE_HOST: + case USB_DR_MODE_HOST: dwc3_host_exit(dwc); break; - case DWC3_MODE_DRD: + case USB_DR_MODE_OTG: dwc3_host_exit(dwc); dwc3_gadget_exit(dwc); break; @@ -642,12 +620,12 @@ static int dwc3_prepare(struct device *dev) spin_lock_irqsave(&dwc->lock, flags); - switch (dwc->mode) { - case DWC3_MODE_DEVICE: - case DWC3_MODE_DRD: + switch (dwc->dr_mode) { + case USB_DR_MODE_PERIPHERAL: + case USB_DR_MODE_OTG: dwc3_gadget_prepare(dwc); /* FALLTHROUGH */ - case DWC3_MODE_HOST: + case USB_DR_MODE_HOST: default: dwc3_event_buffers_cleanup(dwc); break; @@ -665,12 +643,12 @@ static void dwc3_complete(struct device *dev) spin_lock_irqsave(&dwc->lock, flags); - switch (dwc->mode) { - case DWC3_MODE_DEVICE: - case DWC3_MODE_DRD: + switch (dwc->dr_mode) { + case USB_DR_MODE_PERIPHERAL: + case USB_DR_MODE_OTG: dwc3_gadget_complete(dwc); /* FALLTHROUGH */ - case DWC3_MODE_HOST: + case USB_DR_MODE_HOST: default: dwc3_event_buffers_setup(dwc); break; @@ -686,12 +664,12 @@ static int dwc3_suspend(struct device *dev) spin_lock_irqsave(&dwc->lock, flags); - switch (dwc->mode) { - case DWC3_MODE_DEVICE: - case DWC3_MODE_DRD: + switch (dwc->dr_mode) { + case USB_DR_MODE_PERIPHERAL: + case USB_DR_MODE_OTG: dwc3_gadget_suspend(dwc); /* FALLTHROUGH */ - case DWC3_MODE_HOST: + case USB_DR_MODE_HOST: default: /* do nothing */ break; @@ -719,12 +697,12 @@ static int dwc3_resume(struct device *dev) dwc3_writel(dwc->regs, DWC3_GCTL, dwc->gctl); - switch (dwc->mode) { - case DWC3_MODE_DEVICE: - case DWC3_MODE_DRD: + switch (dwc->dr_mode) { + case USB_DR_MODE_PERIPHERAL: + case USB_DR_MODE_OTG: dwc3_gadget_resume(dwc); /* FALLTHROUGH */ - case DWC3_MODE_HOST: + case USB_DR_MODE_HOST: default: /* do nothing */ break; @@ -754,6 +732,9 @@ static const struct dev_pm_ops dwc3_dev_pm_ops = { #ifdef CONFIG_OF static const struct of_device_id of_dwc3_match[] = { { + .compatible = "snps,dwc3" + }, + { .compatible = "synopsys,dwc3" }, { }, @@ -775,5 +756,5 @@ module_platform_driver(dwc3_driver); MODULE_ALIAS("platform:dwc3"); MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); -MODULE_LICENSE("Dual BSD/GPL"); +MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("DesignWare USB3 DRD Controller Driver"); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 27dad993b007..f8af8d44af85 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -6,34 +6,14 @@ * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the above-listed copyright holders may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2, as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * 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. */ #ifndef __DRIVERS_USB_DWC3_CORE_H @@ -49,6 +29,7 @@ #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> +#include <linux/usb/otg.h> /* Global constants */ #define DWC3_EP0_BOUNCE_SIZE 512 @@ -194,6 +175,10 @@ #define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff) #define DWC3_GTXFIFOSIZ_TXFSTADDR(n) ((n) & 0xffff0000) +/* Global Event Size Registers */ +#define DWC3_GEVNTSIZ_INTMASK (1 << 31) +#define DWC3_GEVNTSIZ_SIZE(n) ((n) & 0xffff) + /* Global HWPARAMS1 Register */ #define DWC3_GHWPARAMS1_EN_PWROPT(n) (((n) & (3 << 24)) >> 24) #define DWC3_GHWPARAMS1_EN_PWROPT_NO 0 @@ -207,7 +192,6 @@ #define DWC3_MAX_HIBER_SCRATCHBUFS 15 /* Device Configuration Register */ -#define DWC3_DCFG_LPM_CAP (1 << 22) #define DWC3_DCFG_DEVADDR(addr) ((addr) << 3) #define DWC3_DCFG_DEVADDR_MASK DWC3_DCFG_DEVADDR(0x7f) @@ -367,7 +351,6 @@ struct dwc3_trb; /** * struct dwc3_event_buffer - Software event buffer representation - * @list: a list of event buffers * @buf: _THE_ buffer * @length: size of this buffer * @lpos: event offset @@ -415,7 +398,7 @@ struct dwc3_event_buffer { * @number: endpoint number (1 - 15) * @type: set to bmAttributes & USB_ENDPOINT_XFERTYPE_MASK * @resource_index: Resource transfer index - * @interval: the intervall on which the ISOC transfer is started + * @interval: the interval on which the ISOC transfer is started * @name: a human readable name e.g. ep1out-bulk * @direction: true for TX, false for RX * @stream_capable: true when streams are enabled @@ -566,11 +549,6 @@ struct dwc3_hwparams { /* HWPARAMS0 */ #define DWC3_MODE(n) ((n) & 0x7) -#define DWC3_MODE_DEVICE 0 -#define DWC3_MODE_HOST 1 -#define DWC3_MODE_DRD 2 -#define DWC3_MODE_HUB 3 - #define DWC3_MDWIDTH(n) (((n) & 0xff00) >> 8) /* HWPARAMS1 */ @@ -632,7 +610,7 @@ struct dwc3_scratchpad_array { * @u1u2: only used on revisions <1.83a for workaround * @maximum_speed: maximum speed requested (mainly for testing purposes) * @revision: revision register contents - * @mode: mode of operation + * @dr_mode: requested mode of operation * @usb2_phy: pointer to USB2 PHY * @usb3_phy: pointer to USB3 PHY * @dcfg: saved contents of DCFG register @@ -690,6 +668,8 @@ struct dwc3 { void __iomem *regs; size_t regs_size; + enum usb_dr_mode dr_mode; + /* used for suspend/resume */ u32 dcfg; u32 gctl; @@ -698,7 +678,6 @@ struct dwc3 { u32 u1u2; u32 maximum_speed; u32 revision; - u32 mode; #define DWC3_REVISION_173A 0x5533173a #define DWC3_REVISION_175A 0x5533175a diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h index 5894ee8222af..fceb39dc4bba 100644 --- a/drivers/usb/dwc3/debug.h +++ b/drivers/usb/dwc3/debug.h @@ -6,34 +6,14 @@ * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the above-listed copyright holders may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2, as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * 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. */ #include "core.h" diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index 9e9f122162f2..9ac37fe1b6a7 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -6,34 +6,14 @@ * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the above-listed copyright holders may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2, as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * 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. */ #include <linux/kernel.h> diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c index 8ce9d7fd6cfc..2f2e88a3a11a 100644 --- a/drivers/usb/dwc3/dwc3-exynos.c +++ b/drivers/usb/dwc3/dwc3-exynos.c @@ -6,10 +6,14 @@ * * Author: Anton Tikhomirov <av.tikhomirov@samsung.com> * - * 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 free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. + * + * 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. */ #include <linux/module.h> @@ -20,7 +24,7 @@ #include <linux/dma-mapping.h> #include <linux/clk.h> #include <linux/usb/otg.h> -#include <linux/usb/nop-usb-xceiv.h> +#include <linux/usb/usb_phy_gen_xceiv.h> #include <linux/of.h> #include <linux/of_platform.h> @@ -34,13 +38,13 @@ struct dwc3_exynos { static int dwc3_exynos_register_phys(struct dwc3_exynos *exynos) { - struct nop_usb_xceiv_platform_data pdata; + struct usb_phy_gen_xceiv_platform_data pdata; struct platform_device *pdev; int ret; memset(&pdata, 0x00, sizeof(pdata)); - pdev = platform_device_alloc("nop_usb_xceiv", PLATFORM_DEVID_AUTO); + pdev = platform_device_alloc("usb_phy_gen_xceiv", PLATFORM_DEVID_AUTO); if (!pdev) return -ENOMEM; @@ -51,7 +55,7 @@ static int dwc3_exynos_register_phys(struct dwc3_exynos *exynos) if (ret) goto err1; - pdev = platform_device_alloc("nop_usb_xceiv", PLATFORM_DEVID_AUTO); + pdev = platform_device_alloc("usb_phy_gen_xceiv", PLATFORM_DEVID_AUTO); if (!pdev) { ret = -ENOMEM; goto err1; @@ -228,5 +232,5 @@ module_platform_driver(dwc3_exynos_driver); MODULE_ALIAS("platform:exynos-dwc3"); MODULE_AUTHOR("Anton Tikhomirov <av.tikhomirov@samsung.com>"); -MODULE_LICENSE("GPL"); +MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("DesignWare USB3 EXYNOS Glue Layer"); diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 077f110bd746..ecd99451ee90 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -6,34 +6,14 @@ * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the above-listed copyright holders may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2, as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * 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. */ #include <linux/module.h> @@ -409,11 +389,9 @@ static int dwc3_omap_probe(struct platform_device *pdev) return -EINVAL; } - base = devm_ioremap_nocache(dev, res->start, resource_size(res)); - if (!base) { - dev_err(dev, "ioremap failed\n"); - return -ENOMEM; - } + base = devm_ioremap_resource(dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); spin_lock_init(&omap->lock); @@ -610,5 +588,5 @@ module_platform_driver(dwc3_omap_driver); MODULE_ALIAS("platform:omap-dwc3"); MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); -MODULE_LICENSE("Dual BSD/GPL"); +MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("DesignWare USB3 OMAP Glue Layer"); diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index ed07ec04a962..9b138129e856 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -6,34 +6,14 @@ * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the above-listed copyright holders may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2, as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * 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. */ #include <linux/kernel.h> @@ -43,7 +23,7 @@ #include <linux/platform_device.h> #include <linux/usb/otg.h> -#include <linux/usb/nop-usb-xceiv.h> +#include <linux/usb/usb_phy_gen_xceiv.h> /* FIXME define these in <linux/pci_ids.h> */ #define PCI_VENDOR_ID_SYNOPSYS 0x16c3 @@ -58,13 +38,13 @@ struct dwc3_pci { static int dwc3_pci_register_phys(struct dwc3_pci *glue) { - struct nop_usb_xceiv_platform_data pdata; + struct usb_phy_gen_xceiv_platform_data pdata; struct platform_device *pdev; int ret; memset(&pdata, 0x00, sizeof(pdata)); - pdev = platform_device_alloc("nop_usb_xceiv", 0); + pdev = platform_device_alloc("usb_phy_gen_xceiv", 0); if (!pdev) return -ENOMEM; @@ -75,7 +55,7 @@ static int dwc3_pci_register_phys(struct dwc3_pci *glue) if (ret) goto err1; - pdev = platform_device_alloc("nop_usb_xceiv", 1); + pdev = platform_device_alloc("usb_phy_gen_xceiv", 1); if (!pdev) { ret = -ENOMEM; goto err1; @@ -211,7 +191,7 @@ static DEFINE_PCI_DEVICE_TABLE(dwc3_pci_id_table) = { }; MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table); -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int dwc3_pci_suspend(struct device *dev) { struct pci_dev *pci = to_pci_dev(dev); @@ -236,28 +216,24 @@ static int dwc3_pci_resume(struct device *dev) return 0; } +#endif /* CONFIG_PM_SLEEP */ static const struct dev_pm_ops dwc3_pci_dev_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_suspend, dwc3_pci_resume) }; -#define DEV_PM_OPS (&dwc3_pci_dev_pm_ops) -#else -#define DEV_PM_OPS NULL -#endif /* CONFIG_PM */ - static struct pci_driver dwc3_pci_driver = { .name = "dwc3-pci", .id_table = dwc3_pci_id_table, .probe = dwc3_pci_probe, .remove = dwc3_pci_remove, .driver = { - .pm = DEV_PM_OPS, + .pm = &dwc3_pci_dev_pm_ops, }, }; MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>"); -MODULE_LICENSE("Dual BSD/GPL"); +MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("DesignWare USB3 PCI Glue Layer"); module_pci_driver(dwc3_pci_driver); diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 5acbb948b704..7fa93f4bc507 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -6,34 +6,14 @@ * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the above-listed copyright holders may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2, as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * 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. */ #include <linux/kernel.h> @@ -168,6 +148,7 @@ static int __dwc3_gadget_ep0_queue(struct dwc3_ep *dep, direction = !dwc->ep0_expect_in; dwc->delayed_status = false; + usb_gadget_set_state(&dwc->gadget, USB_STATE_CONFIGURED); if (dwc->ep0state == EP0_STATUS_PHASE) __dwc3_ep0_do_control_status(dwc, dwc->eps[direction]); @@ -553,8 +534,16 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) ret = dwc3_ep0_delegate_req(dwc, ctrl); /* if the cfg matches and the cfg is non zero */ if (cfg && (!ret || (ret == USB_GADGET_DELAYED_STATUS))) { - usb_gadget_set_state(&dwc->gadget, - USB_STATE_CONFIGURED); + + /* + * only change state if set_config has already + * been processed. If gadget driver returns + * USB_GADGET_DELAYED_STATUS, we will wait + * to change the state on the next usb_ep_queue() + */ + if (ret == 0) + usb_gadget_set_state(&dwc->gadget, + USB_STATE_CONFIGURED); /* * Enable transition to U1/U2 state when @@ -571,7 +560,7 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) case USB_STATE_CONFIGURED: ret = dwc3_ep0_delegate_req(dwc, ctrl); - if (!cfg) + if (!cfg && !ret) usb_gadget_set_state(&dwc->gadget, USB_STATE_ADDRESS); break; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index f77083fedc68..f168eaebdef8 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -6,34 +6,14 @@ * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the above-listed copyright holders may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2, as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * 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. */ #include <linux/kernel.h> @@ -520,6 +500,8 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, u32 reg; int ret = -ENOMEM; + dev_vdbg(dwc->dev, "Enabling %s\n", dep->name); + if (!(dep->flags & DWC3_EP_ENABLED)) { ret = dwc3_gadget_start_config(dwc, dep); if (ret) @@ -676,8 +658,6 @@ static int dwc3_gadget_ep_enable(struct usb_ep *ep, dev_err(dwc->dev, "invalid endpoint transfer type\n"); } - dev_vdbg(dwc->dev, "Enabling %s\n", dep->name); - spin_lock_irqsave(&dwc->lock, flags); ret = __dwc3_gadget_ep_enable(dep, desc, ep->comp_desc, false); spin_unlock_irqrestore(&dwc->lock, flags); @@ -1508,6 +1488,15 @@ static int dwc3_gadget_start(struct usb_gadget *g, int irq; u32 reg; + irq = platform_get_irq(to_platform_device(dwc->dev), 0); + ret = request_threaded_irq(irq, dwc3_interrupt, dwc3_thread_interrupt, + IRQF_SHARED, "dwc3", dwc); + if (ret) { + dev_err(dwc->dev, "failed to request irq #%d --> %d\n", + irq, ret); + goto err0; + } + spin_lock_irqsave(&dwc->lock, flags); if (dwc->gadget_driver) { @@ -1515,7 +1504,7 @@ static int dwc3_gadget_start(struct usb_gadget *g, dwc->gadget.name, dwc->gadget_driver->driver.name); ret = -EBUSY; - goto err0; + goto err1; } dwc->gadget_driver = driver; @@ -1536,10 +1525,25 @@ static int dwc3_gadget_start(struct usb_gadget *g, * STAR#9000525659: Clock Domain Crossing on DCTL in * USB 2.0 Mode */ - if (dwc->revision < DWC3_REVISION_220A) + if (dwc->revision < DWC3_REVISION_220A) { reg |= DWC3_DCFG_SUPERSPEED; - else - reg |= dwc->maximum_speed; + } else { + switch (dwc->maximum_speed) { + case USB_SPEED_LOW: + reg |= DWC3_DSTS_LOWSPEED; + break; + case USB_SPEED_FULL: + reg |= DWC3_DSTS_FULLSPEED1; + break; + case USB_SPEED_HIGH: + reg |= DWC3_DSTS_HIGHSPEED; + break; + case USB_SPEED_SUPER: /* FALLTHROUGH */ + case USB_SPEED_UNKNOWN: /* FALTHROUGH */ + default: + reg |= DWC3_DSTS_SUPERSPEED; + } + } dwc3_writel(dwc->regs, DWC3_DCFG, reg); dwc->start_config_issued = false; @@ -1551,42 +1555,38 @@ static int dwc3_gadget_start(struct usb_gadget *g, ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL, false); if (ret) { dev_err(dwc->dev, "failed to enable %s\n", dep->name); - goto err0; + goto err2; } dep = dwc->eps[1]; ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL, false); if (ret) { dev_err(dwc->dev, "failed to enable %s\n", dep->name); - goto err1; + goto err3; } /* begin to receive SETUP packets */ dwc->ep0state = EP0_SETUP_PHASE; dwc3_ep0_out_start(dwc); - irq = platform_get_irq(to_platform_device(dwc->dev), 0); - ret = request_threaded_irq(irq, dwc3_interrupt, dwc3_thread_interrupt, - IRQF_SHARED | IRQF_ONESHOT, "dwc3", dwc); - if (ret) { - dev_err(dwc->dev, "failed to request irq #%d --> %d\n", - irq, ret); - goto err1; - } - dwc3_gadget_enable_irq(dwc); spin_unlock_irqrestore(&dwc->lock, flags); return 0; -err1: +err3: __dwc3_gadget_ep_disable(dwc->eps[0]); -err0: +err2: dwc->gadget_driver = NULL; + +err1: spin_unlock_irqrestore(&dwc->lock, flags); + free_irq(irq, dwc); + +err0: return ret; } @@ -1600,9 +1600,6 @@ static int dwc3_gadget_stop(struct usb_gadget *g, spin_lock_irqsave(&dwc->lock, flags); dwc3_gadget_disable_irq(dwc); - irq = platform_get_irq(to_platform_device(dwc->dev), 0); - free_irq(irq, dwc); - __dwc3_gadget_ep_disable(dwc->eps[0]); __dwc3_gadget_ep_disable(dwc->eps[1]); @@ -1610,6 +1607,9 @@ static int dwc3_gadget_stop(struct usb_gadget *g, spin_unlock_irqrestore(&dwc->lock, flags); + irq = platform_get_irq(to_platform_device(dwc->dev), 0); + free_irq(irq, dwc); + return 0; } @@ -1642,13 +1642,15 @@ static int dwc3_gadget_init_hw_endpoints(struct dwc3 *dwc, dep->dwc = dwc; dep->number = epnum; + dep->direction = !!direction; dwc->eps[epnum] = dep; snprintf(dep->name, sizeof(dep->name), "ep%d%s", epnum >> 1, (epnum & 1) ? "in" : "out"); dep->endpoint.name = dep->name; - dep->direction = (epnum & 1); + + dev_vdbg(dwc->dev, "initializing %s\n", dep->name); if (epnum == 0 || epnum == 1) { dep->endpoint.maxpacket = 512; @@ -2105,34 +2107,6 @@ static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc) dwc->setup_packet_pending = false; } -static void dwc3_gadget_usb3_phy_suspend(struct dwc3 *dwc, int suspend) -{ - u32 reg; - - reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)); - - if (suspend) - reg |= DWC3_GUSB3PIPECTL_SUSPHY; - else - reg &= ~DWC3_GUSB3PIPECTL_SUSPHY; - - dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); -} - -static void dwc3_gadget_usb2_phy_suspend(struct dwc3 *dwc, int suspend) -{ - u32 reg; - - reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); - - if (suspend) - reg |= DWC3_GUSB2PHYCFG_SUSPHY; - else - reg &= ~DWC3_GUSB2PHYCFG_SUSPHY; - - dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); -} - static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc) { u32 reg; @@ -2173,13 +2147,6 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc) /* after reset -> Default State */ usb_gadget_set_state(&dwc->gadget, USB_STATE_DEFAULT); - /* Recent versions support automatic phy suspend and don't need this */ - if (dwc->revision < DWC3_REVISION_194A) { - /* Resume PHYs */ - dwc3_gadget_usb2_phy_suspend(dwc, false); - dwc3_gadget_usb3_phy_suspend(dwc, false); - } - if (dwc->gadget.speed != USB_SPEED_UNKNOWN) dwc3_disconnect_gadget(dwc); @@ -2223,20 +2190,6 @@ static void dwc3_update_ram_clk_sel(struct dwc3 *dwc, u32 speed) dwc3_writel(dwc->regs, DWC3_GCTL, reg); } -static void dwc3_gadget_phy_suspend(struct dwc3 *dwc, u8 speed) -{ - switch (speed) { - case USB_SPEED_SUPER: - dwc3_gadget_usb2_phy_suspend(dwc, true); - break; - case USB_SPEED_HIGH: - case USB_SPEED_FULL: - case USB_SPEED_LOW: - dwc3_gadget_usb3_phy_suspend(dwc, true); - break; - } -} - static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) { struct dwc3_ep *dep; @@ -2312,12 +2265,6 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_DCTL, reg); } - /* Recent versions support automatic phy suspend and don't need this */ - if (dwc->revision < DWC3_REVISION_194A) { - /* Suspend unneeded PHY */ - dwc3_gadget_phy_suspend(dwc, dwc->gadget.speed); - } - dep = dwc->eps[0]; ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL, true); if (ret) { @@ -2495,61 +2442,75 @@ static void dwc3_process_event_entry(struct dwc3 *dwc, } } -static irqreturn_t dwc3_thread_interrupt(int irq, void *_dwc) +static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf) { - struct dwc3 *dwc = _dwc; - unsigned long flags; + struct dwc3_event_buffer *evt; irqreturn_t ret = IRQ_NONE; - int i; + int left; + u32 reg; - spin_lock_irqsave(&dwc->lock, flags); + evt = dwc->ev_buffs[buf]; + left = evt->count; - for (i = 0; i < dwc->num_event_buffers; i++) { - struct dwc3_event_buffer *evt; - int left; + if (!(evt->flags & DWC3_EVENT_PENDING)) + return IRQ_NONE; - evt = dwc->ev_buffs[i]; - left = evt->count; + while (left > 0) { + union dwc3_event event; - if (!(evt->flags & DWC3_EVENT_PENDING)) - continue; + event.raw = *(u32 *) (evt->buf + evt->lpos); - while (left > 0) { - union dwc3_event event; + dwc3_process_event_entry(dwc, &event); - event.raw = *(u32 *) (evt->buf + evt->lpos); + /* + * FIXME we wrap around correctly to the next entry as + * almost all entries are 4 bytes in size. There is one + * entry which has 12 bytes which is a regular entry + * followed by 8 bytes data. ATM I don't know how + * things are organized if we get next to the a + * boundary so I worry about that once we try to handle + * that. + */ + evt->lpos = (evt->lpos + 4) % DWC3_EVENT_BUFFERS_SIZE; + left -= 4; - dwc3_process_event_entry(dwc, &event); + dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(buf), 4); + } - /* - * FIXME we wrap around correctly to the next entry as - * almost all entries are 4 bytes in size. There is one - * entry which has 12 bytes which is a regular entry - * followed by 8 bytes data. ATM I don't know how - * things are organized if we get next to the a - * boundary so I worry about that once we try to handle - * that. - */ - evt->lpos = (evt->lpos + 4) % DWC3_EVENT_BUFFERS_SIZE; - left -= 4; + evt->count = 0; + evt->flags &= ~DWC3_EVENT_PENDING; + ret = IRQ_HANDLED; - dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(i), 4); - } + /* Unmask interrupt */ + reg = dwc3_readl(dwc->regs, DWC3_GEVNTSIZ(buf)); + reg &= ~DWC3_GEVNTSIZ_INTMASK; + dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(buf), reg); - evt->count = 0; - evt->flags &= ~DWC3_EVENT_PENDING; - ret = IRQ_HANDLED; - } + return ret; +} + +static irqreturn_t dwc3_thread_interrupt(int irq, void *_dwc) +{ + struct dwc3 *dwc = _dwc; + unsigned long flags; + irqreturn_t ret = IRQ_NONE; + int i; + + spin_lock_irqsave(&dwc->lock, flags); + + for (i = 0; i < dwc->num_event_buffers; i++) + ret |= dwc3_process_event_buf(dwc, i); spin_unlock_irqrestore(&dwc->lock, flags); return ret; } -static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf) +static irqreturn_t dwc3_check_event_buf(struct dwc3 *dwc, u32 buf) { struct dwc3_event_buffer *evt; u32 count; + u32 reg; evt = dwc->ev_buffs[buf]; @@ -2561,6 +2522,11 @@ static irqreturn_t dwc3_process_event_buf(struct dwc3 *dwc, u32 buf) evt->count = count; evt->flags |= DWC3_EVENT_PENDING; + /* Mask interrupt */ + reg = dwc3_readl(dwc->regs, DWC3_GEVNTSIZ(buf)); + reg |= DWC3_GEVNTSIZ_INTMASK; + dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(buf), reg); + return IRQ_WAKE_THREAD; } @@ -2575,7 +2541,7 @@ static irqreturn_t dwc3_interrupt(int irq, void *_dwc) for (i = 0; i < dwc->num_event_buffers; i++) { irqreturn_t status; - status = dwc3_process_event_buf(dwc, i); + status = dwc3_check_event_buf(dwc, i); if (status == IRQ_WAKE_THREAD) ret = status; } @@ -2593,7 +2559,6 @@ static irqreturn_t dwc3_interrupt(int irq, void *_dwc) */ int dwc3_gadget_init(struct dwc3 *dwc) { - u32 reg; int ret; dwc->ctrl_req = dma_alloc_coherent(dwc->dev, sizeof(*dwc->ctrl_req), @@ -2643,16 +2608,6 @@ int dwc3_gadget_init(struct dwc3 *dwc) if (ret) goto err4; - reg = dwc3_readl(dwc->regs, DWC3_DCFG); - reg |= DWC3_DCFG_LPM_CAP; - dwc3_writel(dwc->regs, DWC3_DCFG, reg); - - /* Enable USB2 LPM and automatic phy suspend only on recent versions */ - if (dwc->revision >= DWC3_REVISION_194A) { - dwc3_gadget_usb2_phy_suspend(dwc, false); - dwc3_gadget_usb3_phy_suspend(dwc, false); - } - ret = usb_add_gadget_udc(dwc->dev, &dwc->gadget); if (ret) { dev_err(dwc->dev, "failed to register udc\n"); diff --git a/drivers/usb/dwc3/gadget.h b/drivers/usb/dwc3/gadget.h index 99e6d7248820..febe1aa7b714 100644 --- a/drivers/usb/dwc3/gadget.h +++ b/drivers/usb/dwc3/gadget.h @@ -6,34 +6,14 @@ * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the above-listed copyright holders may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2, as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * 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. */ #ifndef __DRIVERS_USB_DWC3_GADGET_H diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c index 0fa1846eda4c..32db328cc769 100644 --- a/drivers/usb/dwc3/host.c +++ b/drivers/usb/dwc3/host.c @@ -5,34 +5,14 @@ * * Authors: Felipe Balbi <balbi@ti.com>, * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the above-listed copyright holders may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2, as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * 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. */ #include <linux/platform_device.h> diff --git a/drivers/usb/dwc3/io.h b/drivers/usb/dwc3/io.h index a50f76b9d19b..d94441c14d8c 100644 --- a/drivers/usb/dwc3/io.h +++ b/drivers/usb/dwc3/io.h @@ -6,34 +6,14 @@ * Authors: Felipe Balbi <balbi@ti.com>, * Sebastian Andrzej Siewior <bigeasy@linutronix.de> * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The names of the above-listed copyright holders may not be used - * to endorse or promote products derived from this software without - * specific prior written permission. + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2, as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * 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. */ #ifndef __DRIVERS_USB_DWC3_IO_H diff --git a/drivers/usb/dwc3/platform_data.h b/drivers/usb/dwc3/platform_data.h new file mode 100644 index 000000000000..7db34f00b89a --- /dev/null +++ b/drivers/usb/dwc3/platform_data.h @@ -0,0 +1,27 @@ +/** + * platform_data.h - USB DWC3 Platform Data Support + * + * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com + * Author: Felipe Balbi <balbi@ti.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/usb/ch9.h> +#include <linux/usb/otg.h> + +struct dwc3_platform_data { + enum usb_device_speed maximum_speed; + enum usb_dr_mode dr_mode; + bool tx_fifo_resize; +}; |