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Diffstat (limited to 'drivers/usb/gadget/pxa2xx_udc.h')
-rw-r--r--drivers/usb/gadget/pxa2xx_udc.h267
1 files changed, 0 insertions, 267 deletions
diff --git a/drivers/usb/gadget/pxa2xx_udc.h b/drivers/usb/gadget/pxa2xx_udc.h
deleted file mode 100644
index e2c19e88c87..00000000000
--- a/drivers/usb/gadget/pxa2xx_udc.h
+++ /dev/null
@@ -1,267 +0,0 @@
-/*
- * linux/drivers/usb/gadget/pxa2xx_udc.h
- * Intel PXA2xx on-chip full speed USB device controller
- *
- * Copyright (C) 2003 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
- * Copyright (C) 2003 David Brownell
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef __LINUX_USB_GADGET_PXA2XX_H
-#define __LINUX_USB_GADGET_PXA2XX_H
-
-#include <linux/types.h>
-
-/*-------------------------------------------------------------------------*/
-
-/* pxa2xx has this (move to include/asm-arm/arch-pxa/pxa-regs.h) */
-#define UFNRH_SIR (1 << 7) /* SOF interrupt request */
-#define UFNRH_SIM (1 << 6) /* SOF interrupt mask */
-#define UFNRH_IPE14 (1 << 5) /* ISO packet error, ep14 */
-#define UFNRH_IPE9 (1 << 4) /* ISO packet error, ep9 */
-#define UFNRH_IPE4 (1 << 3) /* ISO packet error, ep4 */
-
-/* pxa255 has this (move to include/asm-arm/arch-pxa/pxa-regs.h) */
-#define UDCCFR UDC_RES2 /* UDC Control Function Register */
-#define UDCCFR_AREN (1 << 7) /* ACK response enable (now) */
-#define UDCCFR_ACM (1 << 2) /* ACK control mode (wait for AREN) */
-
-/* latest pxa255 errata define new "must be one" bits in UDCCFR */
-#define UDCCFR_MB1 (0xff & ~(UDCCFR_AREN|UDCCFR_ACM))
-
-/*-------------------------------------------------------------------------*/
-
-struct pxa2xx_udc;
-
-struct pxa2xx_ep {
- struct usb_ep ep;
- struct pxa2xx_udc *dev;
-
- const struct usb_endpoint_descriptor *desc;
- struct list_head queue;
- unsigned long pio_irqs;
-
- unsigned short fifo_size;
- u8 bEndpointAddress;
- u8 bmAttributes;
-
- unsigned stopped : 1;
- unsigned dma_fixup : 1;
-
- /* UDCCS = UDC Control/Status for this EP
- * UBCR = UDC Byte Count Remaining (contents of OUT fifo)
- * UDDR = UDC Endpoint Data Register (the fifo)
- * DRCM = DMA Request Channel Map
- */
- volatile u32 *reg_udccs;
- volatile u32 *reg_ubcr;
- volatile u32 *reg_uddr;
-};
-
-struct pxa2xx_request {
- struct usb_request req;
- struct list_head queue;
-};
-
-enum ep0_state {
- EP0_IDLE,
- EP0_IN_DATA_PHASE,
- EP0_OUT_DATA_PHASE,
- EP0_END_XFER,
- EP0_STALL,
-};
-
-#define EP0_FIFO_SIZE ((unsigned)16)
-#define BULK_FIFO_SIZE ((unsigned)64)
-#define ISO_FIFO_SIZE ((unsigned)256)
-#define INT_FIFO_SIZE ((unsigned)8)
-
-struct udc_stats {
- struct ep0stats {
- unsigned long ops;
- unsigned long bytes;
- } read, write;
- unsigned long irqs;
-};
-
-#ifdef CONFIG_USB_PXA2XX_SMALL
-/* when memory's tight, SMALL config saves code+data. */
-#define PXA_UDC_NUM_ENDPOINTS 3
-#endif
-
-#ifndef PXA_UDC_NUM_ENDPOINTS
-#define PXA_UDC_NUM_ENDPOINTS 16
-#endif
-
-struct pxa2xx_udc {
- struct usb_gadget gadget;
- struct usb_gadget_driver *driver;
-
- enum ep0_state ep0state;
- struct udc_stats stats;
- unsigned got_irq : 1,
- vbus : 1,
- pullup : 1,
- has_cfr : 1,
- req_pending : 1,
- req_std : 1,
- req_config : 1,
- suspended : 1,
- active : 1;
-
-#define start_watchdog(dev) mod_timer(&dev->timer, jiffies + (HZ/200))
- struct timer_list timer;
-
- struct device *dev;
- struct clk *clk;
- struct pxa2xx_udc_mach_info *mach;
- u64 dma_mask;
- struct pxa2xx_ep ep [PXA_UDC_NUM_ENDPOINTS];
-
-#ifdef CONFIG_USB_GADGET_DEBUG_FS
- struct dentry *debugfs_udc;
-#endif
-};
-
-/*-------------------------------------------------------------------------*/
-
-#ifdef CONFIG_ARCH_LUBBOCK
-#include <asm/arch/lubbock.h>
-/* lubbock can also report usb connect/disconnect irqs */
-#endif
-
-static struct pxa2xx_udc *the_controller;
-
-/*-------------------------------------------------------------------------*/
-
-/*
- * Debugging support vanishes in non-debug builds. DBG_NORMAL should be
- * mostly silent during normal use/testing, with no timing side-effects.
- */
-#define DBG_NORMAL 1 /* error paths, device state transitions */
-#define DBG_VERBOSE 2 /* add some success path trace info */
-#define DBG_NOISY 3 /* ... even more: request level */
-#define DBG_VERY_NOISY 4 /* ... even more: packet level */
-
-#define DMSG(stuff...) pr_debug("udc: " stuff)
-
-#ifdef DEBUG
-
-static int is_vbus_present(void);
-
-static const char *state_name[] = {
- "EP0_IDLE",
- "EP0_IN_DATA_PHASE", "EP0_OUT_DATA_PHASE",
- "EP0_END_XFER", "EP0_STALL"
-};
-
-#ifdef VERBOSE_DEBUG
-# define UDC_DEBUG DBG_VERBOSE
-#else
-# define UDC_DEBUG DBG_NORMAL
-#endif
-
-static void __maybe_unused
-dump_udccr(const char *label)
-{
- u32 udccr = UDCCR;
- DMSG("%s %02X =%s%s%s%s%s%s%s%s\n",
- label, udccr,
- (udccr & UDCCR_REM) ? " rem" : "",
- (udccr & UDCCR_RSTIR) ? " rstir" : "",
- (udccr & UDCCR_SRM) ? " srm" : "",
- (udccr & UDCCR_SUSIR) ? " susir" : "",
- (udccr & UDCCR_RESIR) ? " resir" : "",
- (udccr & UDCCR_RSM) ? " rsm" : "",
- (udccr & UDCCR_UDA) ? " uda" : "",
- (udccr & UDCCR_UDE) ? " ude" : "");
-}
-
-static void __maybe_unused
-dump_udccs0(const char *label)
-{
- u32 udccs0 = UDCCS0;
-
- DMSG("%s %s %02X =%s%s%s%s%s%s%s%s\n",
- label, state_name[the_controller->ep0state], udccs0,
- (udccs0 & UDCCS0_SA) ? " sa" : "",
- (udccs0 & UDCCS0_RNE) ? " rne" : "",
- (udccs0 & UDCCS0_FST) ? " fst" : "",
- (udccs0 & UDCCS0_SST) ? " sst" : "",
- (udccs0 & UDCCS0_DRWF) ? " dwrf" : "",
- (udccs0 & UDCCS0_FTF) ? " ftf" : "",
- (udccs0 & UDCCS0_IPR) ? " ipr" : "",
- (udccs0 & UDCCS0_OPR) ? " opr" : "");
-}
-
-static void __maybe_unused
-dump_state(struct pxa2xx_udc *dev)
-{
- u32 tmp;
- unsigned i;
-
- DMSG("%s %s, uicr %02X.%02X, usir %02X.%02x, ufnr %02X.%02X\n",
- is_vbus_present() ? "host " : "disconnected",
- state_name[dev->ep0state],
- UICR1, UICR0, USIR1, USIR0, UFNRH, UFNRL);
- dump_udccr("udccr");
- if (dev->has_cfr) {
- tmp = UDCCFR;
- DMSG("udccfr %02X =%s%s\n", tmp,
- (tmp & UDCCFR_AREN) ? " aren" : "",
- (tmp & UDCCFR_ACM) ? " acm" : "");
- }
-
- if (!dev->driver) {
- DMSG("no gadget driver bound\n");
- return;
- } else
- DMSG("ep0 driver '%s'\n", dev->driver->driver.name);
-
- if (!is_vbus_present())
- return;
-
- dump_udccs0 ("udccs0");
- DMSG("ep0 IN %lu/%lu, OUT %lu/%lu\n",
- dev->stats.write.bytes, dev->stats.write.ops,
- dev->stats.read.bytes, dev->stats.read.ops);
-
- for (i = 1; i < PXA_UDC_NUM_ENDPOINTS; i++) {
- if (dev->ep [i].desc == NULL)
- continue;
- DMSG ("udccs%d = %02x\n", i, *dev->ep->reg_udccs);
- }
-}
-
-#else
-
-#define dump_udccr(x) do{}while(0)
-#define dump_udccs0(x) do{}while(0)
-#define dump_state(x) do{}while(0)
-
-#define UDC_DEBUG ((unsigned)0)
-
-#endif
-
-#define DBG(lvl, stuff...) do{if ((lvl) <= UDC_DEBUG) DMSG(stuff);}while(0)
-
-#define ERR(stuff...) pr_err("udc: " stuff)
-#define WARN(stuff...) pr_warning("udc: " stuff)
-#define INFO(stuff...) pr_info("udc: " stuff)
-
-
-#endif /* __LINUX_USB_GADGET_PXA2XX_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-25 12:47:52 +0000