diff options
| author | Greg Kroah-Hartman <gregkh@suse.de> | 2011-12-13 09:37:40 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-12-13 09:37:40 -0800 |
| commit | 121a8cdd79e2c68ae78c7633f2a46ee65a177ff6 (patch) | |
| tree | 03793bef35f590718ebc6ae6110eb0c507ae60bf | |
| parent | a1016ce33ce23296ad030e5276fcfdf9cb27cb6a (diff) | |
| parent | 15a3838b101b292c2e40824d843a4d8871ac4010 (diff) | |
Merge branch 'for-next/gadget' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
* 'for-next/gadget' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (50 commits)
usb: renesas_usbhs: show error reason on usbhsh_urb_enqueu()
usb: renesas_usbhs: add force packet remove method
usb: renesas_usbhs: care usb_hcd_giveback_urb() status
usb: renesas_usbhs: add usbhsh_is_running()
usb: renesas_usbhs: disable attch irq after device attached
usb: renesas_usbhs: care pipe sequence
usb: renesas_usbhs: add usbhs_pipe_attach() method
usb: renesas_usbhs: add usbhsh_endpoint_detach_all() for error case
usb: renesas_usbhs: modify device attach method
usb: renesas_usbhs: pop packet when urb dequeued
usb: renesas_usbhs: add lost error value when enqueue
usb: gadget: mv_udc: replace some debug info
usb: gadget: mv_udc: refine suspend/resume function
usb: gadget: mv_udc: refine the clock relative code
usb: gadget: mv_udc: disable ISR when stopped
usb: gadget: mv_udc: add otg relative code
usb: gadget: Use kcalloc instead of kzalloc to allocate array
usb: renesas_usbhs: remove the_controller_link
usb: renesas_usbhs: add test-mode support
usb: renesas_usbhs: call usbhsg_queue_pop() when pipe disable.
...
49 files changed, 1134 insertions, 595 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 3d849122b5b..a7e4ac1202d 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -535,6 +535,20 @@ Why: In 3.0, we can now autodetect internal 3G device and already have information log when acer-wmi initial. Who: Lee, Chun-Yi <jlee@novell.com> +--------------------------- + +What: /sys/devices/platform/_UDC_/udc/_UDC_/is_dualspeed file and + is_dualspeed line in /sys/devices/platform/ci13xxx_*/udc/device file. +When: 3.8 +Why: The is_dualspeed file is superseded by maximum_speed in the same + directory and is_dualspeed line in device file is superseded by + max_speed line in the same file. + + The maximum_speed/max_speed specifies maximum speed supported by UDC. + To check if dualspeeed is supported, check if the value is >= 3. + Various possible speeds are defined in <linux/usb/ch9.h>. +Who: Michal Nazarewicz <mina86@mina86.com> + ---------------------------- What: The XFS nodelaylog mount option diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 026c53cf164..36c61e80f32 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2087,7 +2087,7 @@ int __devinit dwc3_gadget_init(struct dwc3 *dwc) dev_set_name(&dwc->gadget.dev, "gadget"); dwc->gadget.ops = &dwc3_gadget_ops; - dwc->gadget.is_dualspeed = true; + dwc->gadget.max_speed = USB_SPEED_SUPER; dwc->gadget.speed = USB_SPEED_UNKNOWN; dwc->gadget.dev.parent = dwc->dev; diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 71108c26c56..93f6c808f57 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -235,7 +235,6 @@ config USB_R8A66597 config USB_RENESAS_USBHS_UDC tristate 'Renesas USBHS controller' - depends on SUPERH || ARCH_SHMOBILE depends on USB_RENESAS_USBHS select USB_GADGET_DUALSPEED help diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c index 45f422ac103..e9a2c5c4445 100644 --- a/drivers/usb/gadget/amd5536udc.c +++ b/drivers/usb/gadget/amd5536udc.c @@ -1959,7 +1959,7 @@ static int amd5536_start(struct usb_gadget_driver *driver, u32 tmp; if (!driver || !bind || !driver->setup - || driver->speed < USB_SPEED_HIGH) + || driver->max_speed < USB_SPEED_HIGH) return -EINVAL; if (!dev) return -ENODEV; @@ -3349,7 +3349,7 @@ static int udc_probe(struct udc *dev) dev_set_name(&dev->gadget.dev, "gadget"); dev->gadget.dev.release = gadget_release; dev->gadget.name = name; - dev->gadget.is_dualspeed = 1; + dev->gadget.max_speed = USB_SPEED_HIGH; /* init registers, interrupts, ... */ startup_registers(dev); diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 8efe0fa9228..ac41f71bf9c 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -1633,7 +1633,7 @@ static int at91_start(struct usb_gadget_driver *driver, unsigned long flags; if (!driver - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->setup) { DBG("bad parameter.\n"); diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c index 271a9d87360..e2fb6d583bd 100644 --- a/drivers/usb/gadget/atmel_usba_udc.c +++ b/drivers/usb/gadget/atmel_usba_udc.c @@ -1038,7 +1038,7 @@ static struct usba_udc the_udc = { .gadget = { .ops = &usba_udc_ops, .ep_list = LIST_HEAD_INIT(the_udc.gadget.ep_list), - .is_dualspeed = 1, + .max_speed = USB_SPEED_HIGH, .name = "atmel_usba_udc", .dev = { .init_name = "gadget", diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c index 9a0c3979ff4..27e31371842 100644 --- a/drivers/usb/gadget/ci13xxx_udc.c +++ b/drivers/usb/gadget/ci13xxx_udc.c @@ -182,6 +182,16 @@ static inline int hw_ep_bit(int num, int dir) return num + (dir ? 16 : 0); } +static int ep_to_bit(int n) +{ + int fill = 16 - hw_ep_max / 2; + + if (n >= hw_ep_max / 2) + n += fill; + + return n; +} + /** * hw_aread: reads from register bitfield * @addr: address relative to bus map @@ -440,12 +450,13 @@ static int hw_ep_get_halt(int num, int dir) /** * hw_test_and_clear_setup_status: test & clear setup status (execute without * interruption) - * @n: bit number (endpoint) + * @n: endpoint number * * This function returns setup status */ static int hw_test_and_clear_setup_status(int n) { + n = ep_to_bit(n); return hw_ctest_and_clear(CAP_ENDPTSETUPSTAT, BIT(n)); } @@ -641,12 +652,13 @@ static int hw_register_write(u16 addr, u32 data) /** * hw_test_and_clear_complete: test & clear complete status (execute without * interruption) - * @n: bit number (endpoint) + * @n: endpoint number * * This function returns complete status */ static int hw_test_and_clear_complete(int n) { + n = ep_to_bit(n); return hw_ctest_and_clear(CAP_ENDPTCOMPLETE, BIT(n)); } @@ -754,8 +766,11 @@ static ssize_t show_device(struct device *dev, struct device_attribute *attr, n += scnprintf(buf + n, PAGE_SIZE - n, "speed = %d\n", gadget->speed); + n += scnprintf(buf + n, PAGE_SIZE - n, "max_speed = %d\n", + gadget->max_speed); + /* TODO: Scheduled for removal in 3.8. */ n += scnprintf(buf + n, PAGE_SIZE - n, "is_dualspeed = %d\n", - gadget->is_dualspeed); + gadget_is_dualspeed(gadget)); n += scnprintf(buf + n, PAGE_SIZE - n, "is_otg = %d\n", gadget->is_otg); n += scnprintf(buf + n, PAGE_SIZE - n, "is_a_peripheral = %d\n", @@ -798,7 +813,7 @@ static ssize_t show_driver(struct device *dev, struct device_attribute *attr, n += scnprintf(buf + n, PAGE_SIZE - n, "function = %s\n", (driver->function ? driver->function : "")); n += scnprintf(buf + n, PAGE_SIZE - n, "max speed = %d\n", - driver->speed); + driver->max_speed); return n; } @@ -2563,9 +2578,7 @@ static int ci13xxx_start(struct usb_gadget_driver *driver, if (driver == NULL || bind == NULL || driver->setup == NULL || - driver->disconnect == NULL || - driver->suspend == NULL || - driver->resume == NULL) + driver->disconnect == NULL) return -EINVAL; else if (udc == NULL) return -ENODEV; @@ -2693,8 +2706,6 @@ static int ci13xxx_stop(struct usb_gadget_driver *driver) driver->unbind == NULL || driver->setup == NULL || driver->disconnect == NULL || - driver->suspend == NULL || - driver->resume == NULL || driver != udc->driver) return -EINVAL; @@ -2793,7 +2804,7 @@ static irqreturn_t udc_irq(void) isr_statistics.pci++; udc->gadget.speed = hw_port_is_high_speed() ? USB_SPEED_HIGH : USB_SPEED_FULL; - if (udc->suspended) { + if (udc->suspended && udc->driver->resume) { spin_unlock(udc->lock); udc->driver->resume(&udc->gadget); spin_lock(udc->lock); @@ -2807,7 +2818,8 @@ static irqreturn_t udc_irq(void) isr_tr_complete_handler(udc); } if (USBi_SLI & intr) { - if (udc->gadget.speed != USB_SPEED_UNKNOWN) { + if (udc->gadget.speed != USB_SPEED_UNKNOWN && + udc->driver->suspend) { udc->suspended = 1; spin_unlock(udc->lock); udc->driver->suspend(&udc->gadget); @@ -2871,7 +2883,7 @@ static int udc_probe(struct ci13xxx_udc_driver *driver, struct device *dev, udc->gadget.ops = &usb_gadget_ops; udc->gadget.speed = USB_SPEED_UNKNOWN; - udc->gadget.is_dualspeed = 1; + udc->gadget.max_speed = USB_SPEED_HIGH; udc->gadget.is_otg = 0; udc->gadget.name = driver->name; diff --git a/drivers/usb/gadget/ci13xxx_udc.h b/drivers/usb/gadget/ci13xxx_udc.h index 23707775cb4..f4871e1fac5 100644 --- a/drivers/usb/gadget/ci13xxx_udc.h +++ b/drivers/usb/gadget/ci13xxx_udc.h @@ -127,7 +127,7 @@ struct ci13xxx { struct ci13xxx_ep ci13xxx_ep[ENDPT_MAX]; /* extended endpts */ u32 ep0_dir; /* ep0 direction */ #define ep0out ci13xxx_ep[0] -#define ep0in ci13xxx_ep[16] +#define ep0in ci13xxx_ep[hw_ep_max / 2] u8 remote_wakeup; /* Is remote wakeup feature enabled by the host? */ u8 suspended; /* suspended by the host */ diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index f71b0787983..a95de6a4a13 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1535,9 +1535,9 @@ composite_resume(struct usb_gadget *gadget) static struct usb_gadget_driver composite_driver = { #ifdef CONFIG_USB_GADGET_SUPERSPEED - .speed = USB_SPEED_SUPER, + .max_speed = USB_SPEED_SUPER, #else - .speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_HIGH, #endif .unbind = composite_unbind, @@ -1584,8 +1584,8 @@ int usb_composite_probe(struct usb_composite_driver *driver, driver->iProduct = driver->name; composite_driver.function = (char *) driver->name; composite_driver.driver.name = driver->name; - composite_driver.speed = min((u8)composite_driver.speed, - (u8)driver->max_speed); + composite_driver.max_speed = + min_t(u8, composite_driver.max_speed, driver->max_speed); composite = driver; composite_gadget_bind = bind; diff --git a/drivers/usb/gadget/dbgp.c b/drivers/usb/gadget/dbgp.c index 6256420089f..19d7bb0df75 100644 --- a/drivers/usb/gadget/dbgp.c +++ b/drivers/usb/gadget/dbgp.c @@ -404,7 +404,7 @@ fail: static struct usb_gadget_driver dbgp_driver = { .function = "dbgp", - .speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_HIGH, .unbind = dbgp_unbind, .setup = dbgp_setup, .disconnect = dbgp_disconnect, diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index ab8f1b488d5..db815c2da7e 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -823,19 +823,18 @@ static int dummy_pullup (struct usb_gadget *_gadget, int value) if (value && dum->driver) { if (mod_data.is_super_speed) - dum->gadget.speed = dum->driver->speed; + dum->gadget.speed = dum->driver->max_speed; else if (mod_data.is_high_speed) dum->gadget.speed = min_t(u8, USB_SPEED_HIGH, - dum->driver->speed); + dum->driver->max_speed); else dum->gadget.speed = USB_SPEED_FULL; dummy_udc_udpate_ep0(dum); - if (dum->gadget.speed < dum->driver->speed) + if (dum->gadget.speed < dum->driver->max_speed) dev_dbg(udc_dev(dum), "This device can perform faster" - " if you connect it to a %s port...\n", - (dum->driver->speed == USB_SPEED_SUPER ? - "SuperSpeed" : "HighSpeed")); + " if you connect it to a %s port...\n", + usb_speed_string(dum->driver->max_speed)); } dum_hcd = gadget_to_dummy_hcd(_gadget); @@ -898,7 +897,7 @@ static int dummy_udc_start(struct usb_gadget *g, struct dummy_hcd *dum_hcd = gadget_to_dummy_hcd(g); struct dummy *dum = dum_hcd->dum; - if (driver->speed == USB_SPEED_UNKNOWN) + if (driver->max_speed == USB_SPEED_UNKNOWN) return -EINVAL; /* @@ -977,7 +976,7 @@ static int dummy_udc_probe (struct platform_device *pdev) dum->gadget.name = gadget_name; dum->gadget.ops = &dummy_ops; - dum->gadget.is_dualspeed = 1; + dum->gadget.max_speed = USB_SPEED_SUPER; dev_set_name(&dum->gadget.dev, "gadget"); dum->gadget.dev.parent = &pdev->dev; diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c index 596a0b464e6..38bcbfb91f6 100644 --- a/drivers/usb/gadget/epautoconf.c +++ b/drivers/usb/gadget/epautoconf.c @@ -152,7 +152,7 @@ ep_matches ( switch (type) { case USB_ENDPOINT_XFER_INT: /* INT: limit 64 bytes full speed, 1024 high/super speed */ - if (!gadget->is_dualspeed && max > 64) + if (!gadget_is_dualspeed(gadget) && max > 64) return 0; /* FALLTHROUGH */ @@ -160,12 +160,12 @@ ep_matches ( /* ISO: limit 1023 bytes full speed, 1024 high/super speed */ if (ep->maxpacket < max) return 0; - if (!gadget->is_dualspeed && max > 1023) + if (!gadget_is_dualspeed(gadget) && max > 1023) return 0; /* BOTH: "high bandwidth" works only at high speed */ if ((desc->wMaxPacketSize & cpu_to_le16(3<<11))) { - if (!gadget->is_dualspeed) + if (!gadget_is_dualspeed(gadget)) return 0; /* configure your hardware with enough buffering!! */ } diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index acb38004eec..da9d04815ea 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1408,7 +1408,7 @@ static int ffs_epfiles_create(struct ffs_data *ffs) ENTER(); count = ffs->eps_count; - epfiles = kzalloc(count * sizeof *epfiles, GFP_KERNEL); + epfiles = kcalloc(count, sizeof(*epfiles), GFP_KERNEL); if (!epfiles) return -ENOMEM; diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index c39d58860fa..a18ebeed82b 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -1873,17 +1873,14 @@ static int check_command(struct fsg_common *common, int cmnd_size, common->lun, lun); /* Check the LUN */ - if (common->lun < common->nluns) { - curlun = &common->luns[common->lun]; - common->curlun = curlun; + curlun = common->curlun; + if (curlun) { if (common->cmnd[0] != REQUEST_SENSE) { curlun->sense_data = SS_NO_SENSE; curlun->sense_data_info = 0; curlun->info_valid = 0; } } else { - common->curlun = NULL; - curlun = NULL; common->bad_lun_okay = 0; /* @@ -1929,6 +1926,17 @@ static int check_command(struct fsg_common *common, int cmnd_size, return 0; } +/* wrapper of check_command for data size in blocks handling */ +static int check_command_size_in_blocks(struct fsg_common *common, + int cmnd_size, enum data_direction data_dir, + unsigned int mask, int needs_medium, const char *name) +{ + if (common->curlun) + common->data_size_from_cmnd <<= common->curlun->blkbits; + return check_command(common, cmnd_size, data_dir, + mask, needs_medium, name); +} + static int do_scsi_command(struct fsg_common *common) { struct fsg_buffhd *bh; @@ -2011,9 +2019,9 @@ static int do_scsi_command(struct fsg_common *common) case READ_6: i = common->cmnd[4]; - common->data_size_from_cmnd = (i == 0 ? 256 : i) << - common->curlun->blkbits; - reply = check_command(common, 6, DATA_DIR_TO_HOST, + common->data_size_from_cmnd = (i == 0) ? 256 : i; + reply = check_command_size_in_blocks(common, 6, + DATA_DIR_TO_HOST, (7<<1) | (1<<4), 1, "READ(6)"); if (reply == 0) @@ -2022,9 +2030,9 @@ static int do_scsi_command(struct fsg_common *common) case READ_10: common->data_size_from_cmnd = - get_unaligned_be16(&common->cmnd[7]) << - common->curlun->blkbits; - reply = check_command(common, 10, DATA_DIR_TO_HOST, + get_unaligned_be16(&common->cmnd[7]); + reply = check_command_size_in_blocks(common, 10, + DATA_DIR_TO_HOST, (1<<1) | (0xf<<2) | (3<<7), 1, "READ(10)"); if (reply == 0) @@ -2033,9 +2041,9 @@ static int do_scsi_command(struct fsg_common *common) case READ_12: common->data_size_from_cmnd = - get_unaligned_be32(&common->cmnd[6]) << - common->curlun->blkbits; - reply = check_command(common, 12, DATA_DIR_TO_HOST, + get_unaligned_be32(&common->cmnd[6]); + reply = check_command_size_in_blocks(common, 12, + DATA_DIR_TO_HOST, (1<<1) | (0xf<<2) | (0xf<<6), 1, "READ(12)"); if (reply == 0) @@ -2134,9 +2142,9 @@ static int do_scsi_command(struct fsg_common *common) case WRITE_6: i = common->cmnd[4]; - common->data_size_from_cmnd = (i == 0 ? 256 : i) << - common->curlun->blkbits; - reply = check_command(common, 6, DATA_DIR_FROM_HOST, + common->data_size_from_cmnd = (i == 0) ? 256 : i; + reply = check_command_size_in_blocks(common, 6, + DATA_DIR_FROM_HOST, (7<<1) | (1<<4), 1, "WRITE(6)"); if (reply == 0) @@ -2145,9 +2153,9 @@ static int do_scsi_command(struct fsg_common *common) case WRITE_10: common->data_size_from_cmnd = - get_unaligned_be16(&common->cmnd[7]) << - common->curlun->blkbits; - reply = check_command(common, 10, DATA_DIR_FROM_HOST, + get_unaligned_be16(&common->cmnd[7]); + reply = check_command_size_in_blocks(common, 10, + DATA_DIR_FROM_HOST, (1<<1) | (0xf<<2) | (3<<7), 1, "WRITE(10)"); if (reply == 0) @@ -2156,9 +2164,9 @@ static int do_scsi_command(struct fsg_common *common) case WRITE_12: common->data_size_from_cmnd = - get_unaligned_be32(&common->cmnd[6]) << - common->curlun->blkbits; - reply = check_command(common, 12, DATA_DIR_FROM_HOST, + get_unaligned_be32(&common->cmnd[6]); + reply = check_command_size_in_blocks(common, 12, + DATA_DIR_FROM_HOST, (1<<1) | (0xf<<2) | (0xf<<6), 1, "WRITE(12)"); if (reply == 0) @@ -2273,6 +2281,10 @@ static int received_cbw(struct fsg_dev *fsg, struct fsg_buffhd *bh) if (common->data_size == 0) common->data_dir = DATA_DIR_NONE; common->lun = cbw->Lun; + if (common->lun >= 0 && common->lun < common->nluns) + common->curlun = &common->luns[common->lun]; + else + common->curlun = NULL; common->tag = cbw->Tag; return 0; } @@ -2763,7 +2775,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common, * Create the LUNs, open their backing files, and register the * LUN devices in sysfs. */ - curlun = kzalloc(nluns * sizeof *curlun, GFP_KERNEL); + curlun = kcalloc(nluns, sizeof(*curlun), GFP_KERNEL); if (unlikely(!curlun)) { rc = -ENOMEM; goto error_release; diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index 11b5196284a..e0f30fc70e4 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -2297,19 +2297,17 @@ static int check_command(struct fsg_dev *fsg, int cmnd_size, DBG(fsg, "using LUN %d from CBW, " "not LUN %d from CDB\n", fsg->lun, lun); - } else - fsg->lun = lun; // Use LUN from the command + } /* Check the LUN */ - if (fsg->lun < fsg->nluns) { - fsg->curlun = curlun = &fsg->luns[fsg->lun]; + curlun = fsg->curlun; + if (curlun) { if (fsg->cmnd[0] != REQUEST_SENSE) { curlun->sense_data = SS_NO_SENSE; curlun->sense_data_info = 0; curlun->info_valid = 0; } } else { - fsg->curlun = curlun = NULL; fsg->bad_lun_okay = 0; /* INQUIRY and REQUEST SENSE commands are explicitly allowed @@ -2351,6 +2349,16 @@ static int check_command(struct fsg_dev *fsg, int cmnd_size, return 0; } +/* wrapper of check_command for data size in blocks handling */ +static int check_command_size_in_blocks(struct fsg_dev *fsg, int cmnd_size, + enum data_direction data_dir, unsigned int mask, + int needs_medium, const char *name) +{ + if (fsg->curlun) + fsg->data_size_from_cmnd <<= fsg->curlun->blkbits; + return check_command(fsg, cmnd_size, data_dir, + mask, needs_medium, name); +} static int do_scsi_command(struct fsg_dev *fsg) { @@ -2425,26 +2433,27 @@ static int do_scsi_command(struct fsg_dev *fsg) case READ_6: i = fsg->cmnd[4]; - fsg->data_size_from_cmnd = (i == 0 ? 256 : i) << fsg->curlun->blkbits; - if ((reply = check_command(fsg, 6, DATA_DIR_TO_HOST, + fsg->data_size_from_cmnd = (i == 0) ? 256 : i; + if ((reply = check_command_size_in_blocks(fsg, 6, + DATA_DIR_TO_HOST, (7<<1) | (1<<4), 1, "READ(6)")) == 0) reply = do_read(fsg); break; case READ_10: - fsg->data_size_from_cmnd = - get_unaligned_be16(&fsg->cmnd[7]) << fsg->curlun->blkbits; - if ((reply = check_command(fsg, 10, DATA_DIR_TO_HOST, + fsg->data_size_from_cmnd = get_unaligned_be16(&fsg->cmnd[7]); + if ((reply = check_command_size_in_blocks(fsg, 10, + DATA_DIR_TO_HOST, (1<<1) | (0xf<<2) | (3<<7), 1, "READ(10)")) == 0) reply = do_read(fsg); break; case READ_12: - fsg->data_size_from_cmnd = - get_unaligned_be32(&fsg->cmnd[6]) << fsg->curlun->blkbits; - if ((reply = check_command(fsg, 12, DATA_DIR_TO_HOST, + fsg->data_size_from_cmnd = get_unaligned_be32(&fsg->cmnd[6]); + if ((reply = check_command_size_in_blocks(fsg, 12, + DATA_DIR_TO_HOST, (1<<1) | (0xf<<2) | (0xf<<6), 1, "READ(12)")) == 0) reply = do_read(fsg); @@ -2529,26 +2538,27 @@ static int do_scsi_command(struct fsg_dev *fsg) case WRITE_6: i = fsg->cmnd[4]; - fsg->data_size_from_cmnd = (i == 0 ? 256 : i) << fsg->curlun->blkbits; - if ((reply = check_command(fsg, 6, DATA_DIR_FROM_HOST, + fsg->data_size_from_cmnd = (i == 0) ? 256 : i; + if ((reply = check_command_size_in_blocks(fsg, 6, + DATA_DIR_FROM_HOST, (7<<1) | (1<<4), 1, "WRITE(6)")) == 0) reply = do_write(fsg); break; case WRITE_10: - fsg->data_size_from_cmnd = - get_unaligned_be16(&fsg->cmnd[7]) << fsg->curlun->blkbits; - if ((reply = check_command(fsg, 10, DATA_DIR_FROM_HOST, + fsg->data_size_from_cmnd = get_unaligned_be16(&fsg->cmnd[7]); + if ((reply = check_command_size_in_blocks(fsg, 10, + DATA_DIR_FROM_HOST, (1<<1) | (0xf<<2) | (3<<7), 1, "WRITE(10)")) == 0) reply = do_write(fsg); break; case WRITE_12: - fsg->data_size_from_cmnd = - get_unaligned_be32(&fsg->cmnd[6]) << fsg->curlun->blkbits; - if ((reply = check_command(fsg, 12, DATA_DIR_FROM_HOST, + fsg->data_size_from_cmnd = get_unaligned_be32(&fsg->cmnd[6]); + if ((reply = check_command_size_in_blocks(fsg, 12, + DATA_DIR_FROM_HOST, (1<<1) | (0xf<<2) | (0xf<<6), 1, "WRITE(12)")) == 0) reply = do_write(fsg); @@ -2715,7 +2725,17 @@ static int get_next_command(struct fsg_dev *fsg) memcpy(fsg->cmnd, fsg->cbbuf_cmnd, fsg->cmnd_size); fsg->cbbuf_cmnd_size = 0; spin_unlock_irq(&fsg->lock); + + /* Use LUN from the command */ + fsg->lun = fsg->cmnd[1] >> 5; } + + /* Update current lun */ + if (fsg->lun >= 0 && fsg->lun < fsg->nluns) + fsg->curlun = &fsg->luns[fsg->lun]; + else + fsg->curlun = NULL; + return rc; } @@ -3584,7 +3604,7 @@ static void fsg_resume(struct usb_gadget *gadget) /*-------------------------------------------------------------------------*/ static struct usb_gadget_driver fsg_driver = { - .speed = USB_SPEED_SUPER, + .max_speed = USB_SPEED_SUPER, .function = (char *) fsg_string_product, .unbind = fsg_unbind, .disconnect = fsg_disconnect, diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c index f75c56a259a..b95697c03d0 100644 --- a/drivers/usb/gadget/fsl_qe_udc.c +++ b/drivers/usb/gadget/fsl_qe_udc.c @@ -2336,7 +2336,7 @@ static int fsl_qe_start(struct usb_gadget_driver *driver, if (!udc_controller) return -ENODEV; - if (!driver || driver->speed < USB_SPEED_FULL + if (!driver || driver->max_speed < USB_SPEED_FULL || !bind || !driver->disconnect || !driver->setup) return -EINVAL; @@ -2350,7 +2350,7 @@ static int fsl_qe_start(struct usb_gadget_driver *driver, /* hook up the driver */ udc_controller->driver = driver; udc_controller->gadget.dev.driver = &driver->driver; - udc_controller->gadget.speed = (enum usb_device_speed)(driver->speed); + udc_controller->gadget.speed = driver->max_speed; spin_unlock_irqrestore(&udc_controller->lock, flags); retval = bind(&udc_controller->gadget); diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index dd28ef3def7..d7ea6c076ce 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -1934,7 +1934,7 @@ static int fsl_start(struct usb_gadget_driver *driver, if (!udc_controller) return -ENODEV; - if (!driver || driver->speed < USB_SPEED_FULL + if (!driver || driver->max_speed < USB_SPEED_FULL || !bind || !driver->disconnect || !driver->setup) return -EINVAL; @@ -2525,7 +2525,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev) /* Setup gadget structure */ udc_controller->gadget.ops = &fsl_gadget_ops; - udc_controller->gadget.is_dualspeed = 1; + udc_controller->gadget.max_speed = USB_SPEED_HIGH; udc_controller->gadget.ep0 = &udc_controller->eps[0].ep; INIT_LIST_HEAD(&udc_controller->gadget.ep_list); udc_controller->gadget.speed = USB_SPEED_UNKNOWN; diff --git a/drivers/usb/gadget/fusb300_udc.c b/drivers/usb/gadget/fusb300_udc.c index 74da206c840..5831cb4a0b3 100644 --- a/drivers/usb/gadget/fusb300_udc.c +++ b/drivers/usb/gadget/fusb300_udc.c @@ -1317,7 +1317,7 @@ static int fusb300_udc_start(struct usb_gadget_driver *driver, int retval; if (!driver - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->setup) return -EINVAL; @@ -1463,7 +1463,7 @@ static int __init fusb300_probe(struct platform_device *pdev) dev_set_name(&fusb300->gadget.dev, "gadget"); - fusb300->gadget.is_dualspeed = 1; + fusb300->gadget.max_speed = USB_SPEED_HIGH; fusb300->gadget.dev.parent = &pdev->dev; fusb300->gadget.dev.dma_mask = pdev->dev.dma_mask; fusb300->gadget.dev.release = pdev->dev.release; diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c index 7f87805cddc..5af70fcce13 100644 --- a/drivers/usb/gadget/goku_udc.c +++ b/drivers/usb/gadget/goku_udc.c @@ -1357,7 +1357,7 @@ static int goku_start(struct usb_gadget_driver *driver, int retval; if (!driver - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->disconnect || !driver->setup) @@ -1796,6 +1796,7 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id) spin_lock_init(&dev->lock); dev->pdev = pdev; dev->gadget.ops = &goku_ops; + dev->gadget.max_speed = USB_SPEED_FULL; /* the "gadget" abstracts/virtualizes the controller */ dev_set_name(&dev->gadget.dev, "gadget"); diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c index 2d978c0e7ce..8d1c75abd73 100644 --- a/drivers/usb/gadget/imx_udc.c +++ b/drivers/usb/gadget/imx_udc.c @@ -1336,7 +1336,7 @@ static int imx_udc_start(struct usb_gadget_driver *driver, int retval; if (!driver - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->disconnect || !driver->setup) diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 6ccae2707e5..93612519b53 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -1766,9 +1766,9 @@ gadgetfs_suspend (struct usb_gadget *gadget) static struct usb_gadget_driver gadgetfs_driver = { #ifdef CONFIG_USB_GADGET_DUALSPEED - .speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_HIGH, #else - .speed = USB_SPEED_FULL, + .max_speed = USB_SPEED_FULL, #endif .function = (char *) driver_desc, .unbind = gadgetfs_unbind, @@ -1792,7 +1792,7 @@ static int gadgetfs_probe (struct usb_gadget *gadget) } static struct usb_gadget_driver probe_driver = { - .speed = USB_SPEED_HIGH, + .max_speed = USB_SPEED_HIGH, .unbind = gadgetfs_nop, .setup = (void *)gadgetfs_nop, .disconnect = gadgetfs_nop, diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c index c9fa3bf5b37..fa0fcc11263 100644 --- a/drivers/usb/gadget/langwell_udc.c +++ b/drivers/usb/gadget/langwell_udc.c @@ -3267,7 +3267,7 @@ static int langwell_udc_probe(struct pci_dev *pdev, dev->gadget.ep0 = &dev->ep[0].ep; /* gadget ep0 */ INIT_LIST_HEAD(&dev->gadget.ep_list); /* ep_list */ dev->gadget.speed = USB_SPEED_UNKNOWN; /* speed */ - dev->gadget.is_dualspeed = 1; /* support dual speed */ + dev->gadget.max_speed = USB_SPEED_HIGH; /* support dual speed */ #ifdef OTG_TRANSCEIVER dev->gadget.is_otg = 1; /* support otg mode */ #endif diff --git a/drivers/usb/gadget/m66592-udc.c b/drivers/usb/gadget/m66592-udc.c index 9aa1cbbee45..3608b3bd573 100644 --- a/drivers/usb/gadget/m66592-udc.c +++ b/drivers/usb/gadget/m66592-udc.c @@ -1472,7 +1472,7 @@ static int m66592_start(struct usb_gadget_driver *driver, int retval; if (!driver - || driver->speed < USB_SPEED_HIGH + || driver->max_speed < USB_SPEED_HIGH || !bind || !driver->setup) return -EINVAL; @@ -1653,7 +1653,7 @@ static int __init m66592_probe(struct platform_device *pdev) m66592->gadget.ops = &m66592_gadget_ops; device_initialize(&m66592->gadget.dev); dev_set_name(&m66592->gadget.dev, "gadget"); - m66592->gadget.is_dualspeed = 1; + m66592->gadget.max_speed = USB_SPEED_HIGH; m66592->gadget.dev.parent = &pdev->dev; m66592->gadget.dev.dma_mask = pdev->dev.dma_mask; m66592->gadget.dev.release = pdev->dev.release; diff --git a/drivers/usb/gadget/mv_udc.h b/drivers/usb/gadget/mv_udc.h index daa75c12f33..3d840448461 100644 --- a/drivers/usb/gadget/mv_udc.h +++ b/drivers/usb/gadget/mv_udc.h @@ -211,11 +211,14 @@ struct mv_udc { softconnected:1, force_fs:1, clock_gating:1, - active:1; + active:1, + stopped:1; /* stop bit is setted */ struct work_struct vbus_work; struct workqueue_struct *qwork; + struct otg_transceiver *transceiver; + struct mv_usb_platform_data *pdata; /* some SOC has mutiple clock sources for USB*/ diff --git a/drivers/usb/gadget/mv_udc_core.c b/drivers/usb/gadget/mv_udc_core.c index 0114fd33fbe..142a67f0663 100644 --- a/drivers/usb/gadget/mv_udc_core.c +++ b/drivers/usb/gadget/mv_udc_core.c @@ -1056,6 +1056,8 @@ static void udc_stop(struct mv_udc *udc) USBINTR_PORT_CHANGE_DETECT_EN | USBINTR_RESET_EN); writel(tmp, &udc->op_regs->usbintr); + udc->stopped = 1; + /* Reset the Run the bit in the command register to stop VUSB */ tmp = readl(&udc->op_regs->usbcmd); tmp &= ~USBCMD_RUN_STOP; @@ -1072,6 +1074,8 @@ static void udc_start(struct mv_udc *udc) /* Enable interrupts */ writel(usbintr, &udc->op_regs->usbintr); + udc->stopped = 0; + /* Set the Run bit in the command register */ writel(USBCMD_RUN_STOP, &udc->op_regs->usbcmd); } @@ -1134,11 +1138,11 @@ static int udc_reset(struct mv_udc *udc) return 0; } -static int mv_udc_enable(struct mv_udc *udc) +static int mv_udc_enable_internal(struct mv_udc *udc) { int retval; - if (udc->clock_gating == 0 || udc->active) + if (udc->active) return 0; dev_dbg(&udc->dev->dev, "enable udc\n"); @@ -1157,9 +1161,17 @@ static int mv_udc_enable(struct mv_udc *udc) return 0; } -static void mv_udc_disable(struct mv_udc *udc) +static int mv_udc_enable(struct mv_udc *udc) { - if (udc->clock_gating && udc->active) { + if (udc->clock_gating) + return mv_udc_enable_internal(udc); + + return 0; +} + +static void mv_udc_disable_internal(struct mv_udc *udc) +{ + if (udc->active) { dev_dbg(&udc->dev->dev, "disable udc\n"); if (udc->pdata->phy_deinit) udc->pdata->phy_deinit(udc->phy_regs); @@ -1168,6 +1180,12 @@ static void mv_udc_disable(struct mv_udc *udc) } } +static void mv_udc_disable(struct mv_udc *udc) +{ + if (udc->clock_gating) + mv_udc_disable_internal(udc); +} + static int mv_udc_get_frame(struct usb_gadget *gadget) { struct mv_udc *udc; @@ -1212,10 +1230,11 @@ static int mv_udc_vbus_session(struct usb_gadget *gadget, int is_active) udc = container_of(gadget, struct mv_udc, gadget); spin_lock_irqsave(&udc->lock, flags); + udc->vbus_active = (is_active != 0); + dev_dbg(&udc->dev->dev, "%s: softconnect %d, vbus_active %d\n", __func__, udc->softconnect, udc->vbus_active); - udc->vbus_active = (is_active != 0); if (udc->driver && udc->softconnect && udc->vbus_active) { retval = mv_udc_enable(udc); if (retval == 0) { @@ -1244,10 +1263,11 @@ static int mv_udc_pullup(struct usb_gadget *gadget, int is_on) udc = container_of(gadget, struct mv_udc, gadget); spin_lock_irqsave(&udc->lock, flags); + udc->softconnect = (is_on != 0); + dev_dbg(&udc->dev->dev, "%s: softconnect %d, vbus_active %d\n", __func__, udc->softconnect, udc->vbus_active); - udc->softconnect = (is_on != 0); if (udc->driver && udc->softconnect && udc->vbus_active) { retval = mv_udc_enable(udc); if (retval == 0) { @@ -1407,6 +1427,20 @@ static int mv_udc_start(struct usb_gadget_driver *driver, return retval; } + if (udc->transceiver) { + retval = otg_set_peripheral(udc->transceiver, &udc->gadget); + if (retval) { + dev_err(&udc->dev->dev, + "unable to register peripheral to otg\n"); + if (driver->unbind) { + driver->unbind(&udc->gadget); + udc->gadget.dev.driver = NULL; + udc->driver = NULL; + } + return retval; + } + } + /* pullup is always on */ mv_udc_pullup(&udc->gadget, 1); @@ -2026,6 +2060,10 @@ static irqreturn_t mv_udc_irq(int irq, void *dev) struct mv_udc *udc = (struct mv_udc *)dev; u32 status, intr; + /* Disable ISR when stopped bit is set */ + if (udc->stopped) + return IRQ_NONE; + spin_lock(&udc->lock); status = readl(&udc->op_regs->usbsts); @@ -2109,7 +2147,12 @@ static int __devexit mv_udc_remove(struct platform_device *dev) destroy_workqueue(udc->qwork); } - if (udc->pdata && udc->pdata->vbus && udc->clock_gating) + /* + * If we have transceiver inited, + * then vbus irq will not be requested in udc driver. + */ + if (udc->pdata && udc->pdata->vbus + && udc->clock_gating && udc->transceiver == NULL) free_irq(udc->pdata->vbus->irq, &dev->dev); /* free memory allocated in probe */ @@ -2182,6 +2225,11 @@ static int __devinit mv_udc_probe(struct platform_device *dev) udc->dev = dev; +#ifdef CONFIG_USB_OTG_UTILS + if (pdata->mode == MV_USB_MODE_OTG) + udc->transceiver = otg_get_transceiver(); +#endif + udc->clknum = pdata->clknum; for (clk_i = 0; clk_i < udc->clknum; clk_i++) { udc->clk[clk_i] = clk_get(&dev->dev, pdata->clkname[clk_i]); @@ -2221,14 +2269,9 @@ static int __devinit mv_udc_probe(struct platform_device *dev) } /* we will acces controller register, so enable the clk */ - udc_clock_enable(udc); - if (pdata->phy_init) { - retval = pdata->phy_init(udc->phy_regs); - if (retval) { - dev_err(&dev->dev, "phy init error %d\n", retval); - goto err_iounmap_phyreg; - } - } + retval = mv_udc_enable_internal(udc); + if (retval) + goto err_iounmap_phyreg; udc->op_regs = (struct mv_op_regs __iomem *)((u32)udc->cap_regs + (readl(&udc->cap_regs->caplength_hciversion) @@ -2312,7 +2355,7 @@ static int __devinit mv_udc_probe(struct platform_device *dev) udc->gadget.ep0 = &udc->eps[0].ep; /* gadget ep0 */ INIT_LIST_HEAD(&udc->gadget.ep_list); /* ep_list */ udc->gadget.speed = USB_SPEED_UNKNOWN; /* speed */ - udc->gadget.is_dualspeed = 1; /* support dual speed */ + udc->gadget.max_speed = USB_SPEED_HIGH; /* support dual speed */ /* the "gadget" abstracts/virtualizes the controller */ dev_set_name(&udc->gadget.dev, "gadget"); @@ -2328,7 +2371,9 @@ static int __devinit mv_udc_probe(struct platform_device *dev) eps_init(udc); /* VBUS detect: we can disable/enable clock on demand.*/ - if (pdata->vbus) { + if (udc->transceiver) + udc->clock_gating = 1; + else if (pdata->vbus) { udc->clock_gating = 1; retval = request_threaded_irq(pdata->vbus->irq, NULL, mv_udc_vbus_irq, IRQF_ONESHOT, "vbus", udc); @@ -2354,11 +2399,9 @@ static int __devinit mv_udc_probe(struct platform_device *dev) * If not, it means that VBUS detection is not supported, we * have to enable vbus active all the time to let controller work. */ - if (udc->clock_gating) { - if (udc->pdata->phy_deinit) - udc->pdata->phy_deinit(udc->phy_regs); - udc_clock_disable(udc); - } else + if (udc->clock_gating) + mv_udc_disable_internal(udc); + else udc->vbus_active = 1; retval = usb_add_gadget_udc(&dev->dev, &udc->gadget); @@ -2371,7 +2414,8 @@ static int __devinit mv_udc_probe(struct platform_device *dev) return 0; err_unregister: - if (udc->pdata && udc->pdata->vbus && udc->clock_gating) + if (udc->pdata && udc->pdata->vbus + && udc->clock_gating && udc->transceiver == NULL) free_irq(pdata->vbus->irq, &dev->dev); device_unregister(&udc->gadget.dev); err_free_irq: @@ -2387,9 +2431,7 @@ err_free_dma: dma_free_coherent(&dev->dev, udc->ep_dqh_size, udc->ep_dqh, udc->ep_dqh_dma); err_disable_clock: - if (udc->pdata->phy_deinit) - udc->pdata->phy_deinit(udc->phy_regs); - udc_clock_disable(udc); + mv_udc_disable_internal(udc); err_iounmap_phyreg: iounmap((void *)udc->phy_regs); err_iounmap_capreg: @@ -2407,7 +2449,30 @@ static int mv_udc_suspend(struct device *_dev) { struct mv_udc *udc = the_controller; - udc_stop(udc); + /* if OTG is enabled, the following will be done in OTG driver*/ + if (udc->transceiver) + return 0; + + if (udc->pdata->vbus && udc->pdata->vbus->poll) + if (udc->pdata->vbus->poll() == VBUS_HIGH) { + dev_info(&udc->dev->dev, "USB cable is connected!\n"); + return -EAGAIN; + } + + /* + * only cable is unplugged, udc can suspend. + * So do not care about clock_gating == 1. + */ + if (!udc->clock_gating) { + udc_stop(udc); + + spin_lock_irq(&udc->lock); + /* stop all usb activities */ + stop_activity(udc, udc->driver); + spin_unlock_irq(&udc->lock); + + mv_udc_disable_internal(udc); + } return 0; } @@ -2417,20 +2482,22 @@ static int mv_udc_resume(struct device *_dev) struct mv_udc *udc = the_controller; int retval; - if (udc->pdata->phy_init) { - retval = udc->pdata->phy_init(udc->phy_regs); - if (retval) { - dev_err(&udc->dev->dev, - "init phy error %d when resume back\n", - retval); + /* if OTG is enabled, the following will be done in OTG driver*/ + if (udc->transceiver) + return 0; + + if (!udc->clock_gating) { + retval = mv_udc_enable_internal(udc); + if (retval) return retval; + + if (udc->driver && udc->softconnect) { + udc_reset(udc); + ep0_reset(udc); + udc_start(udc); } } - udc_reset(udc); - ep0_reset(udc); - udc_start(udc); - return 0; } diff --git a/drivers/usb/gadget/net2272.c b/drivers/usb/gadget/net2272.c index d1b76368472..4c81d540bc2 100644 --- a/drivers/usb/gadget/net2272.c +++ b/drivers/usb/gadget/net2272.c @@ -1459,7 +1459,7 @@ static int net2272_start(struct usb_gadget *_gadget, unsigned i; if (!driver || !driver->unbind || !driver->setup || - driver->speed != USB_SPEED_HIGH) + driver->max_speed != USB_SPEED_HIGH) return -EINVAL; dev = container_of(_gadget, struct net2272, gadget); @@ -2235,7 +2235,7 @@ net2272_probe_init(struct device *dev, unsigned int irq) ret->irq = irq; ret->dev = dev; ret->gadget.ops = &net2272_ops; - ret->gadget.is_dualspeed = 1; + ret->gadget.max_speed = USB_SPEED_HIGH; /* the "gadget" abstracts/virtualizes the controller */ dev_set_name(&ret->gadget.dev, "gadget"); diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c index da2b9d0be3c..cf1f36454d0 100644 --- a/drivers/usb/gadget/net2280.c +++ b/drivers/usb/gadget/net2280.c @@ -1881,7 +1881,7 @@ static int net2280_start(struct usb_gadget *_gadget, * (dev->usb->xcvrdiag & FORCE_FULL_SPEED_MODE) * "must not be used in normal operation" */ - if (!driver || driver->speed < USB_SPEED_HIGH + if (!driver || driver->max_speed < USB_SPEED_HIGH || !driver->setup) return -EINVAL; @@ -2698,7 +2698,7 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id) spin_lock_init (&dev->lock); dev->pdev = pdev; dev->gadget.ops = &net2280_ops; - dev->gadget.is_dualspeed = 1; + dev->gadget.max_speed = USB_SPEED_HIGH; /* the "gadget" abstracts/virtualizes the controller */ dev_set_name(&dev->gadget.dev, "gadget"); diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index 788989a1022..7db5bbe6251 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -2110,7 +2110,7 @@ static int omap_udc_start(struct usb_gadget_driver *driver, return -ENODEV; if (!driver // FIXME if otg, check: driver->is_otg - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->setup) return -EINVAL; @@ -2676,6 +2676,7 @@ omap_udc_setup(struct platform_device *odev, struct otg_transceiver *xceiv) INIT_LIST_HEAD(&udc->gadget.ep_list); INIT_LIST_HEAD(&udc->iso); udc->gadget.speed = USB_SPEED_UNKNOWN; + udc->gadget.max_speed = USB_SPEED_FULL; udc->gadget.name = driver_name; device_initialize(&udc->gadget.dev); diff --git a/drivers/usb/gadget/pch_udc.c b/drivers/usb/gadget/pch_udc.c index 5048a0c0764..dd2313cce1d 100644 --- a/drivers/usb/gadget/pch_udc.c +++ b/drivers/usb/gadget/pch_udc.c @@ -2693,7 +2693,7 @@ static int pch_udc_start(struct usb_gadget_driver *driver, struct pch_udc_dev *dev = pch_udc; int retval; - if (!driver || (driver->speed == USB_SPEED_UNKNOWN) || !bind || + if (!driver || (driver->max_speed == USB_SPEED_UNKNOWN) || !bind || !driver->setup || !driver->unbind || !driver->disconnect) { dev_err(&dev->pdev->dev, "%s: invalid driver parameter\n", __func__); @@ -2941,7 +2941,7 @@ static int pch_udc_probe(struct pci_dev *pdev, dev->gadget.dev.dma_mask = pdev->dev.dma_mask; dev->gadget.dev.release = gadget_release; dev->gadget.name = KBUILD_MODNAME; - dev->gadget.is_dualspeed = 1; + dev->gadget.max_speed = USB_SPEED_HIGH; retval = device_register(&dev->gadget.dev); if (retval) diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index 65a8834f274..d83134b0f78 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -1141,7 +1141,7 @@ printer_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) break; #ifdef CONFIG_USB_GADGET_DUALSPEED case USB_DT_DEVICE_QUALIFIER: - if (!gadget->is_dualspeed) + if (!gadget_is_dualspeed(gadget)) break; /* * assumes ep0 uses the same value for both @@ -1155,7 +1155,7 @@ printer_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) break; case USB_DT_OTHER_SPEED_CONFIG: - if (!gadget->is_dualspeed) + if (!gadget_is_dualspeed(gadget)) break; /* FALLTHROUGH */ #endif /* CONFIG_USB_GADGET_DUALSPEED */ @@ -1535,7 +1535,7 @@ fail: /*-------------------------------------------------------------------------*/ static struct usb_gadget_driver printer_driver = { - .speed = DEVSPEED, + .max_speed = DEVSPEED, .function = (char *) driver_desc, .unbind = printer_unbind, diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c index c090a7e3ecf..dd470635f4f 100644 --- a/drivers/usb/gadget/pxa25x_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -1264,7 +1264,7 @@ static int pxa25x_start(struct usb_gadget_driver *driver, int retval; if (!driver - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->disconnect || !driver->setup) diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c index 18b6b091f2a..f4c44eb806c 100644 --- a/drivers/usb/gadget/pxa27x_udc.c +++ b/drivers/usb/gadget/pxa27x_udc.c @@ -1807,7 +1807,7 @@ static int pxa27x_udc_start(struct usb_gadget_driver *driver, struct pxa_udc *udc = the_controller; int retval; - if (!driver || driver->speed < USB_SPEED_FULL || !bind + if (!driver || driver->max_speed < USB_SPEED_FULL || !bind || !driver->disconnect || !driver->setup) return -EINVAL; if (!udc) diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c index fc719a3f855..f5b8d215e1d 100644 --- a/drivers/usb/gadget/r8a66597-udc.c +++ b/drivers/usb/gadget/r8a66597-udc.c @@ -1746,7 +1746,7 @@ static int r8a66597_start(struct usb_gadget *gadget, struct r8a66597 *r8a66597 = gadget_to_r8a66597(gadget); if (!driver - || driver->speed < USB_SPEED_HIGH + || driver->max_speed < USB_SPEED_HIGH || !driver->setup) return -EINVAL; if (!r8a66597) @@ -1911,7 +1911,7 @@ static int __init r8a66597_probe(struct platform_device *pdev) r8a66597->gadget.ops = &r8a66597_gadget_ops; dev_set_name(&r8a66597->gadget.dev, "gadget"); - r8a66597->gadget.is_dualspeed = 1; + r8a66597->gadget.max_speed = USB_SPEED_HIGH; r8a66597->gadget.dev.parent = &pdev->dev; r8a66597->gadget.dev.dma_mask = pdev->dev.dma_mask; r8a66597->gadget.dev.release = pdev->dev.release; diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index c59156c0061..69295ba9d99 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -2586,7 +2586,7 @@ static int s3c_hsotg_start(struct usb_gadget_driver *driver, return -EINVAL; } - if (driver->speed < USB_SPEED_FULL) + if (driver->max_speed < USB_SPEED_FULL) dev_err(hsotg->dev, "%s: bad speed\n", __func__); if (!bind || !driver->setup) { @@ -3362,7 +3362,7 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev) dev_set_name(&hsotg->gadget.dev, "gadget"); - hsotg->gadget.is_dualspeed = 1; + hsotg->gadget.max_speed = USB_SPEED_HIGH; hsotg->gadget.ops = &s3c_hsotg_gadget_ops; hsotg->gadget.name = dev_name(dev); diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c index 787ac5baae9..6f2a0419350 100644 --- a/drivers/usb/gadget/s3c-hsudc.c +++ b/drivers/usb/gadget/s3c-hsudc.c @@ -1142,7 +1142,7 @@ static int s3c_hsudc_start(struct usb_gadget_driver *driver, int ret; if (!driver - || driver->speed < USB_SPEED_FULL + || driver->max_speed < USB_SPEED_FULL || !bind || !driver->unbind || !driver->disconnect || !driver->setup) return -EINVAL; @@ -1310,7 +1310,7 @@ static int s3c_hsudc_probe(struct platform_device *pdev) device_initialize(&hsudc->gadget.dev); dev_set_name(&hsudc->gadget.dev, "gadget"); - hsudc->gadget.is_dualspeed = 1; + hsudc->gadget.max_speed = USB_SPEED_HIGH; hsudc->gadget.ops = &s3c_hsudc_gadget_ops; hsudc->gadget.name = dev_name(dev); hsudc->gadget.dev.parent = dev; diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c index b8643771fa8..4d860e9460a 100644 --- a/drivers/usb/gadget/s3c2410_udc.c +++ b/drivers/usb/gadget/s3c2410_udc.c @@ -1683,9 +1683,9 @@ static int s3c2410_udc_start(struct usb_gadget_driver *driver, if (udc->driver) return -EBUSY; - if (!bind || !driver->setup || driver->speed < USB_SPEED_FULL) { + if (!bind || !driver->setup || driver->max_speed < USB_SPEED_FULL) { printk(KERN_ERR "Invalid driver: bind %p setup %p speed %d\n", - bind, driver->setup, driver->speed); + bind, driver->setup, driver->max_speed); return -EINVAL; } #if defined(MODULE) diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c index 6939e17f458..0b0d12ccc48 100644 --- a/drivers/usb/gadget/udc-core.c +++ b/drivers/usb/gadget/udc-core.c @@ -371,14 +371,28 @@ static ssize_t usb_udc_softconn_store(struct device *dev, } static DEVICE_ATTR(soft_connect, S_IWUSR, NULL, usb_udc_softconn_store); -static ssize_t usb_udc_speed_show(struct device *dev, +#define USB_UDC_SPEED_ATTR(name, param) \ +ssize_t usb_udc_##param##_show(struct device *dev, \ + struct device_attribute *attr, char *buf) \ +{ \ + struct usb_udc *udc = container_of(dev, struct usb_udc, dev); \ + return snprintf(buf, PAGE_SIZE, "%s\n", \ + usb_speed_string(udc->gadget->param)); \ +} \ +static DEVICE_ATTR(name, S_IRUSR, usb_udc_##param##_show, NULL) + +static USB_UDC_SPEED_ATTR(current_speed, speed); +static USB_UDC_SPEED_ATTR(maximum_speed, max_speed); + +/* TODO: Scheduled for removal in 3.8. */ +static ssize_t usb_udc_is_dualspeed_show(struct device *dev, struct device_attribute *attr, char *buf) { struct usb_udc *udc = container_of(dev, struct usb_udc, dev); - return snprintf(buf, PAGE_SIZE, "%s\n", - usb_speed_string(udc->gadget->speed)); + return snprintf(buf, PAGE_SIZE, "%d\n", + gadget_is_dualspeed(udc->gadget)); } -static DEVICE_ATTR(speed, S_IRUGO, usb_udc_speed_show, NULL); +static DEVICE_ATTR(is_dualspeed, S_IRUSR, usb_udc_is_dualspeed_show, NULL); #define USB_UDC_ATTR(name) \ ssize_t usb_udc_##name##_show(struct device *dev, \ @@ -391,7 +405,6 @@ ssize_t usb_udc_##name##_show(struct device *dev, \ } \ static DEVICE_ATTR(name, S_IRUGO, usb_udc_##name##_show, NULL) -static USB_UDC_ATTR(is_dualspeed); static USB_UDC_ATTR(is_otg); static USB_UDC_ATTR(is_a_peripheral); static USB_UDC_ATTR(b_hnp_enable); @@ -401,7 +414,8 @@ static USB_UDC_ATTR(a_alt_hnp_support); static struct attribute *usb_udc_attrs[] = { &dev_attr_srp.attr, &dev_attr_soft_connect.attr, - &dev_attr_speed.attr, + &dev_attr_current_speed.attr, + &dev_attr_maximum_speed.attr, &dev_attr_is_dualspeed.attr, &dev_attr_is_otg.attr, diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index f2c5bcbf254..ac3d2eec20f 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1842,7 +1842,7 @@ int __init musb_gadget_setup(struct musb *musb) */ musb->g.ops = &musb_gadget_operations; - musb->g.is_dualspeed = 1; + musb->g.max_speed = USB_SPEED_HIGH; musb->g.speed = USB_SPEED_UNKNOWN; /* this "gadget" abstracts/virtualizes the controller */ @@ -1901,7 +1901,7 @@ static int musb_gadget_start(struct usb_gadget *g, unsigned long flags; int retval = -EINVAL; - if (driver->speed < USB_SPEED_HIGH) + if (driver->max_speed < USB_SPEED_HIGH) goto err0; pm_runtime_get_sync(musb->controller); diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index aa94e33e688..e9a5b1d2615 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -95,25 +95,15 @@ struct usbhs_priv *usbhs_pdev_to_priv(struct platform_device *pdev) /* * syscfg functions */ -void usbhs_sys_clock_ctrl(struct usbhs_priv *priv, int enable) +static void usbhs_sys_clock_ctrl(struct usbhs_priv *priv, int enable) { usbhs_bset(priv, SYSCFG, SCKE, enable ? SCKE : 0); } -void usbhs_sys_hispeed_ctrl(struct usbhs_priv *priv, int enable) -{ - usbhs_bset(priv, SYSCFG, HSE, enable ? HSE : 0); -} - -void usbhs_sys_usb_ctrl(struct usbhs_priv *priv, int enable) -{ - usbhs_bset(priv, SYSCFG, USBE, enable ? USBE : 0); -} - void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable) { - u16 mask = DCFM | DRPD | DPRPU; - u16 val = DCFM | DRPD; + u16 mask = DCFM | DRPD | DPRPU | HSE | USBE; + u16 val = DCFM | DRPD | HSE | USBE; int has_otg = usbhs_get_dparam(priv, has_otg); if (has_otg) @@ -130,8 +120,8 @@ void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable) void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable) { - u16 mask = DCFM | DRPD | DPRPU; - u16 val = DPRPU; + u16 mask = DCFM | DRPD | DPRPU | HSE | USBE; + u16 val = DPRPU | HSE | USBE; /* * if enable @@ -142,6 +132,11 @@ void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable) usbhs_bset(priv, SYSCFG, mask, enable ? val : 0); } +void usbhs_sys_set_test_mode(struct usbhs_priv *priv, u16 mode) +{ + usbhs_write(priv, TESTMODE, mode); +} + /* * frame functions */ @@ -229,7 +224,7 @@ static void usbhsc_bus_init(struct usbhs_priv *priv) /* * device configuration */ -int usbhs_set_device_speed(struct usbhs_priv *priv, int devnum, +int usbhs_set_device_config(struct usbhs_priv *priv, int devnum, u16 upphub, u16 hubport, u16 speed) { struct device *dev = usbhs_priv_to_dev(priv); @@ -301,18 +296,25 @@ static u32 usbhsc_default_pipe_type[] = { */ static void usbhsc_power_ctrl(struct usbhs_priv *priv, int enable) { + struct platform_device *pdev = usbhs_priv_to_pdev(priv); struct device *dev = usbhs_priv_to_dev(priv); if (enable) { /* enable PM */ pm_runtime_get_sync(dev); + /* enable platform power */ + usbhs_platform_call(priv, power_ctrl, pdev, priv->base, enable); + /* USB on */ usbhs_sys_clock_ctrl(priv, enable); } else { /* USB off */ usbhs_sys_clock_ctrl(priv, enable); + /* disable platform power */ + usbhs_platform_call(priv, power_ctrl, pdev, priv->base, enable); + /* disable PM */ pm_runtime_put_sync(dev); } @@ -388,7 +390,7 @@ static void usbhsc_notify_hotplug(struct work_struct *work) usbhsc_hotplug(priv); } -int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev) +static int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev) { struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev); int delay = usbhs_get_dparam(priv, detection_delay); @@ -398,7 +400,8 @@ int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev) * To make sure safety context, * use workqueue for usbhs_notify_hotplug */ - schedule_delayed_work(&priv->notify_hotplug_work, delay); + schedule_delayed_work(&priv->notify_hotplug_work, + msecs_to_jiffies(delay)); return 0; } diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h index 8729da5c3be..d79b3e27db9 100644 --- a/drivers/usb/renesas_usbhs/common.h +++ b/drivers/usb/renesas_usbhs/common.h @@ -33,6 +33,7 @@ struct usbhs_priv; #define SYSCFG 0x0000 #define BUSWAIT 0x0002 #define DVSTCTR 0x0008 +#define TESTMODE 0x000C #define CFIFO 0x0014 #define CFIFOSEL 0x0020 #define CFIFOCTR 0x0022 @@ -275,19 +276,15 @@ u16 usbhs_read(struct usbhs_priv *priv, u32 reg); void usbhs_write(struct usbhs_priv *priv, u32 reg, u16 data); void usbhs_bset(struct usbhs_priv *priv, u32 reg, u16 mask, u16 data); -int usbhsc_drvcllbck_notify_hotplug(struct platform_device *pdev); - #define usbhs_lock(p, f) spin_lock_irqsave(usbhs_priv_to_lock(p), f) #define usbhs_unlock(p, f) spin_unlock_irqrestore(usbhs_priv_to_lock(p), f) /* * sysconfig */ -void usbhs_sys_clock_ctrl(struct usbhs_priv *priv, int enable); -void usbhs_sys_hispeed_ctrl(struct usbhs_priv *priv, int enable); -void usbhs_sys_usb_ctrl(struct usbhs_priv *priv, int enable); void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable); void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable); +void usbhs_sys_set_test_mode(struct usbhs_priv *priv, u16 mode); /* * usb request @@ -311,7 +308,7 @@ int usbhs_frame_get_num(struct usbhs_priv *priv); /* * device config */ -int usbhs_set_device_speed(struct usbhs_priv *priv, int devnum, u16 upphub, +int usbhs_set_device_config(struct usbhs_priv *priv, int devnum, u16 upphub, u16 hubport, u16 speed); /* diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index ffdf5d15085..b51fcd80d24 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -56,7 +56,7 @@ static struct usbhs_pkt_handle usbhsf_null_handler = { void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, void (*done)(struct usbhs_priv *priv, struct usbhs_pkt *pkt), - void *buf, int len, int zero) + void *buf, int len, int zero, int sequence) { struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); struct device *dev = usbhs_priv_to_dev(priv); @@ -90,6 +90,7 @@ void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, pkt->zero = zero; pkt->actual = 0; pkt->done = done; + pkt->sequence = sequence; usbhs_unlock(priv, flags); /******************** spin unlock ******************/ @@ -481,6 +482,9 @@ static int usbhsf_pio_try_push(struct usbhs_pkt *pkt, int *is_done) int i, ret, len; int is_short; + usbhs_pipe_data_sequence(pipe, pkt->sequence); + pkt->sequence = -1; /* -1 sequence will be ignored */ + ret = usbhsf_fifo_select(pipe, fifo, 1); if (ret < 0) return 0; @@ -584,6 +588,8 @@ static int usbhsf_prepare_pop(struct usbhs_pkt *pkt, int *is_done) /* * pipe enable to prepare packet receive */ + usbhs_pipe_data_sequence(pipe, pkt->sequence); + pkt->sequence = -1; /* -1 sequence will be ignored */ usbhs_pipe_enable(pipe); usbhsf_rx_irq_ctrl(pipe, 1); @@ -641,6 +647,7 @@ static int usbhsf_pio_try_pop(struct usbhs_pkt *pkt, int *is_done) * "Operation" - "FIFO Buffer Memory" - "FIFO Port Function" */ if (0 == rcv_len) { + pkt->zero = 1; usbhsf_fifo_clear(pipe, fifo); goto usbhs_fifo_read_end; } diff --git a/drivers/usb/renesas_usbhs/fifo.h b/drivers/usb/renesas_usbhs/fifo.h index 32a7b246b28..f68609c0f48 100644 --- a/drivers/usb/renesas_usbhs/fifo.h +++ b/drivers/usb/renesas_usbhs/fifo.h @@ -59,6 +59,7 @@ struct usbhs_pkt { int trans; int actual; int zero; + int sequence; }; struct usbhs_pkt_handle { @@ -95,7 +96,7 @@ void usbhs_pkt_init(struct usbhs_pkt *pkt); void usbhs_pkt_push(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt, void (*done)(struct usbhs_priv *priv, struct usbhs_pkt *pkt), - void *buf, int len, int zero); + void *buf, int len, int zero, int sequence); struct usbhs_pkt *usbhs_pkt_pop(struct usbhs_pipe *pipe, struct usbhs_pkt *pkt); void usbhs_pkt_start(struct usbhs_pipe *pipe); diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c index 053f86d7000..f382e431436 100644 --- a/drivers/usb/renesas_usbhs/mod.c +++ b/drivers/usb/renesas_usbhs/mod.c @@ -50,7 +50,9 @@ static int usbhsm_autonomy_irq_vbus(struct usbhs_priv *priv, { struct platform_device *pdev = usbhs_priv_to_pdev(priv); - return usbhsc_drvcllbck_notify_hotplug(pdev); + renesas_usbhs_call_notify_hotplug(pdev); + + return 0; } void usbhs_mod_autonomy_mode(struct usbhs_priv *priv) diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 7f4e8033857..db2a1c6a086 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -14,6 +14,7 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ +#include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/io.h> #include <linux/module.h> @@ -44,7 +45,6 @@ struct usbhsg_uep { struct usbhsg_gpriv { struct usb_gadget gadget; struct usbhs_mod mod; - struct list_head link; struct usbhsg_uep *uep; int uep_size; @@ -114,16 +114,6 @@ struct usbhsg_recip_handle { #define usbhsg_status_clr(gp, b) (gp->status &= ~b) #define usbhsg_status_has(gp, b) (gp->status & b) -/* controller */ -LIST_HEAD(the_controller_link); - -#define usbhsg_for_each_controller(gpriv)\ - list_for_each_entry(gpriv, &the_controller_link, link) -#define usbhsg_controller_register(gpriv)\ - list_add_tail(&(gpriv)->link, &the_controller_link) -#define usbhsg_controller_unregister(gpriv)\ - list_del_init(&(gpriv)->link) - /* * queue push/pop */ @@ -164,7 +154,7 @@ static void usbhsg_queue_push(struct usbhsg_uep *uep, req->actual = 0; req->status = -EINPROGRESS; usbhs_pkt_push(pipe, pkt, usbhsg_queue_done, - req->buf, req->length, req->zero); + req->buf, req->length, req->zero, -1); usbhs_pkt_start(pipe); dev_dbg(dev, "pipe %d : queue push (%d)\n", @@ -271,6 +261,8 @@ static int usbhsg_recip_handler_std_clear_endpoint(struct usbhs_priv *priv, usbhsg_recip_handler_std_control_done(priv, uep, ctrl); + usbhs_pkt_start(pipe); + return 0; } @@ -282,6 +274,145 @@ struct usbhsg_recip_handle req_clear_feature = { }; /* + * USB_TYPE_STANDARD / set feature functions + */ +static int usbhsg_recip_handler_std_set_device(struct usbhs_priv *priv, + struct usbhsg_uep *uep, + struct usb_ctrlrequest *ctrl) +{ + switch (le16_to_cpu(ctrl->wValue)) { + case USB_DEVICE_TEST_MODE: + usbhsg_recip_handler_std_control_done(priv, uep, ctrl); + udelay(100); + usbhs_sys_set_test_mode(priv, le16_to_cpu(ctrl->wIndex >> 8)); + break; + default: + usbhsg_recip_handler_std_control_done(priv, uep, ctrl); + break; + } + + return 0; +} + +static int usbhsg_recip_handler_std_set_endpoint(struct usbhs_priv *priv, + struct usbhsg_uep *uep, + struct usb_ctrlrequest *ctrl) +{ + struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); + + usbhs_pipe_stall(pipe); + + usbhsg_recip_handler_std_control_done(priv, uep, ctrl); + + return 0; +} + +struct usbhsg_recip_handle req_set_feature = { + .name = "set feature", + .device = usbhsg_recip_handler_std_set_device, + .interface = usbhsg_recip_handler_std_control_done, + .endpoint = usbhsg_recip_handler_std_set_endpoint, +}; + +/* + * USB_TYPE_STANDARD / get status functions + */ +static void __usbhsg_recip_send_complete(struct usb_ep *ep, + struct usb_request *req) +{ + struct usbhsg_request *ureq = usbhsg_req_to_ureq(req); + + /* free allocated recip-buffer/usb_request */ + kfree(ureq->pkt.buf); + usb_ep_free_request(ep, req); +} + +static void __usbhsg_recip_send_status(struct usbhsg_gpriv *gpriv, + unsigned short status) +{ + struct usbhsg_uep *dcp = usbhsg_gpriv_to_dcp(gpriv); + struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(dcp); + struct device *dev = usbhsg_gpriv_to_dev(gpriv); + struct usb_request *req; + unsigned short *buf; + + /* alloc new usb_request for recip */ + req = usb_ep_alloc_request(&dcp->ep, GFP_ATOMIC); + if (!req) { + dev_err(dev, "recip request allocation fail\n"); + return; + } + + /* alloc recip data buffer */ + buf = kmalloc(sizeof(*buf), GFP_ATOMIC); + if (!buf) { + usb_ep_free_request(&dcp->ep, req); + dev_err(dev, "recip data allocation fail\n"); + return; + } + + /* recip data is status */ + *buf = cpu_to_le16(status); + + /* allocated usb_request/buffer will be freed */ + req->complete = __usbhsg_recip_send_complete; + req->buf = buf; + req->length = sizeof(*buf); + req->zero = 0; + + /* push packet */ + pipe->handler = &usbhs_fifo_pio_push_handler; + usbhsg_queue_push(dcp, usbhsg_req_to_ureq(req)); +} + +static int usbhsg_recip_handler_std_get_device(struct usbhs_priv *priv, + struct usbhsg_uep *uep, + struct usb_ctrlrequest *ctrl) +{ + struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep); + unsigned short status = 1 << USB_DEVICE_SELF_POWERED; + + __usbhsg_recip_send_status(gpriv, status); + + return 0; +} + +static int usbhsg_recip_handler_std_get_interface(struct usbhs_priv *priv, + struct usbhsg_uep *uep, + struct usb_ctrlrequest *ctrl) +{ + struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep); + unsigned short status = 0; + + __usbhsg_recip_send_status(gpriv, status); + + return 0; +} + +static int usbhsg_recip_handler_std_get_endpoint(struct usbhs_priv *priv, + struct usbhsg_uep *uep, + struct usb_ctrlrequest *ctrl) +{ + struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep); + struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); + unsigned short status = 0; + + if (usbhs_pipe_is_stall(pipe)) + status = 1 << USB_ENDPOINT_HALT; + + __usbhsg_recip_send_status(gpriv, status); + + return 0; +} + +struct usbhsg_recip_handle req_get_status = { + .name = "get status", + .device = usbhsg_recip_handler_std_get_device, + .interface = usbhsg_recip_handler_std_get_interface, + .endpoint = usbhsg_recip_handler_std_get_endpoint, +}; + +/* * USB_TYPE handler */ static int usbhsg_recip_run_handle(struct usbhs_priv *priv, @@ -303,8 +434,7 @@ static int usbhsg_recip_run_handle(struct usbhs_priv *priv, pipe = usbhsg_uep_to_pipe(uep); if (!pipe) { dev_err(dev, "wrong recip request\n"); - ret = -EINVAL; - goto usbhsg_recip_run_handle_end; + return -EINVAL; } switch (recip) { @@ -327,20 +457,10 @@ static int usbhsg_recip_run_handle(struct usbhs_priv *priv, } if (func) { - unsigned long flags; - dev_dbg(dev, "%s (pipe %d :%s)\n", handler->name, nth, msg); - - /******************** spin lock ********************/ - usbhs_lock(priv, flags); ret = func(priv, uep, ctrl); - usbhs_unlock(priv, flags); - /******************** spin unlock ******************/ } -usbhsg_recip_run_handle_end: - usbhs_pkt_start(pipe); - return ret; } @@ -412,6 +532,12 @@ static int usbhsg_irq_ctrl_stage(struct usbhs_priv *priv, case USB_REQ_CLEAR_FEATURE: recip_handler = &req_clear_feature; break; + case USB_REQ_SET_FEATURE: + recip_handler = &req_set_feature; + break; + case USB_REQ_GET_STATUS: + recip_handler = &req_get_status; + break; } } @@ -439,14 +565,16 @@ static int usbhsg_pipe_disable(struct usbhsg_uep *uep) struct usbhs_pipe *pipe = usbhsg_uep_to_pipe(uep); struct usbhs_pkt *pkt; - usbhs_pipe_disable(pipe); - while (1) { pkt = usbhs_pkt_pop(pipe, NULL); if (!pkt) break; + + usbhsg_queue_pop(uep, usbhsg_pkt_to_ureq(pkt), -ECONNRESET); } + usbhs_pipe_disable(pipe); + return 0; } @@ -681,9 +809,7 @@ static int usbhsg_try_start(struct usbhs_priv *priv, u32 status) * - function * - usb module */ - usbhs_sys_hispeed_ctrl(priv, 1); usbhs_sys_function_ctrl(priv, 1); - usbhs_sys_usb_ctrl(priv, 1); /* * enable irq callback @@ -731,9 +857,8 @@ static int usbhsg_try_stop(struct usbhs_priv *priv, u32 status) gpriv->gadget.speed = USB_SPEED_UNKNOWN; /* disable sys */ - usbhs_sys_hispeed_ctrl(priv, 0); + usbhs_sys_set_test_mode(priv, 0); usbhs_sys_function_ctrl(priv, 0); - usbhs_sys_usb_ctrl(priv, 0); usbhsg_pipe_disable(dcp); @@ -755,7 +880,7 @@ static int usbhsg_gadget_start(struct usb_gadget *gadget, if (!driver || !driver->setup || - driver->speed < USB_SPEED_FULL) + driver->max_speed < USB_SPEED_FULL) return -EINVAL; /* first hook up the driver ... */ @@ -866,7 +991,7 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv) gpriv->gadget.dev.parent = dev; gpriv->gadget.name = "renesas_usbhs_udc"; gpriv->gadget.ops = &usbhsg_gadget_ops; - gpriv->gadget.is_dualspeed = 1; + gpriv->gadget.max_speed = USB_SPEED_HIGH; ret = device_register(&gpriv->gadget.dev); if (ret < 0) goto err_add_udc; @@ -896,8 +1021,6 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv) } } - usbhsg_controller_register(gpriv); - ret = usb_add_gadget_udc(dev, &gpriv->gadget); if (ret) goto err_register; @@ -926,8 +1049,6 @@ void usbhs_mod_gadget_remove(struct usbhs_priv *priv) device_unregister(&gpriv->gadget.dev); - usbhsg_controller_unregister(gpriv); - kfree(gpriv->uep); kfree(gpriv); } diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c index 75659e0c735..aa50eaaffcb 100644 --- a/drivers/usb/renesas_usbhs/mod_host.c +++ b/drivers/usb/renesas_usbhs/mod_host.c @@ -45,36 +45,34 @@ * * +--------+ pipes are reused for each uep. * | udev 1 |-+- [uep 0 (dcp) ] --+ pipe will be switched when - * +--------+ | | target device was changed + * +--------+ | | other device requested * +- [uep 1 (bulk)] --|---+ +--------------+ * | +--------------> | pipe0 (dcp) | - * +- [uep 2 (bulk)] --|---|---+ +--------------+ - * | | | | pipe1 (isoc) | - * +--------+ | | | +--------------+ - * | udev 2 |-+- [uep 0 (dcp) ] --+ +-- |------> | pipe2 (bulk) | - * +--------+ | | | | +--------------+ - * +- [uep 1 (int) ] --|-+ | +------> | pipe3 (bulk) | - * | | | | +--------------+ - * +--------+ | +-|---|------> | pipe4 (int) | - * | udev 3 |-+- [uep 0 (dcp) ] --+ | | +--------------+ - * +--------+ | | | | .... | - * +- [uep 1 (bulk)] ------+ | | .... | + * +- [uep 2 (bulk)] -@ | +--------------+ + * | | pipe1 (isoc) | + * +--------+ | +--------------+ + * | udev 2 |-+- [uep 0 (dcp) ] -@ +----------> | pipe2 (bulk) | + * +--------+ | +--------------+ + * +- [uep 1 (int) ] ----+ +------> | pipe3 (bulk) | + * | | +--------------+ + * +--------+ +-----|------> | pipe4 (int) | + * | udev 3 |-+- [uep 0 (dcp) ] -@ | +--------------+ + * +--------+ | | | .... | + * +- [uep 1 (bulk)] -@ | | .... | * | | * +- [uep 2 (bulk)]-----------+ + * + * @ : uep requested free pipe, but all have been used. + * now it is waiting for free pipe */ /* * struct */ -struct usbhsh_pipe_info { - unsigned int usr_cnt; /* see usbhsh_endpoint_alloc() */ -}; - struct usbhsh_request { struct urb *urb; struct usbhs_pkt pkt; - struct list_head ureq_link; /* see hpriv :: ureq_link_xxx */ }; struct usbhsh_device { @@ -83,11 +81,10 @@ struct usbhsh_device { }; struct usbhsh_ep { - struct usbhs_pipe *pipe; + struct usbhs_pipe *pipe; /* attached pipe */ struct usbhsh_device *udev; /* attached udev */ + struct usb_host_endpoint *ep; struct list_head ep_list; /* list to usbhsh_device */ - - int maxp; }; #define USBHSH_DEVICE_MAX 10 /* see DEVADDn / DCPMAXP / PIPEMAXP */ @@ -98,16 +95,9 @@ struct usbhsh_hpriv { struct usbhsh_device udev[USBHSH_DEVICE_MAX]; - struct usbhsh_pipe_info *pipe_info; - int pipe_size; - u32 port_stat; /* USB_PORT_STAT_xxx */ struct completion setup_ack_done; - - /* see usbhsh_req_alloc/free */ - struct list_head ureq_link_active; - struct list_head ureq_link_free; }; @@ -119,17 +109,6 @@ static const char usbhsh_hcd_name[] = "renesas_usbhs host"; #define usbhsh_priv_to_hpriv(priv) \ container_of(usbhs_mod_get(priv, USBHS_HOST), struct usbhsh_hpriv, mod) -#define __usbhsh_for_each_hpipe(start, pos, h, i) \ - for (i = start, pos = (h)->hpipe + i; \ - i < (h)->hpipe_size; \ - i++, pos = (h)->hpipe + i) - -#define usbhsh_for_each_hpipe(pos, hpriv, i) \ - __usbhsh_for_each_hpipe(1, pos, hpriv, i) - -#define usbhsh_for_each_hpipe_with_dcp(pos, hpriv, i) \ - __usbhsh_for_each_hpipe(0, pos, hpriv, i) - #define __usbhsh_for_each_udev(start, pos, h, i) \ for (i = start, pos = (h)->udev + i; \ i < USBHSH_DEVICE_MAX; \ @@ -152,15 +131,20 @@ static const char usbhsh_hcd_name[] = "renesas_usbhs host"; #define usbhsh_ep_to_uep(u) ((u)->hcpriv) #define usbhsh_uep_to_pipe(u) ((u)->pipe) #define usbhsh_uep_to_udev(u) ((u)->udev) +#define usbhsh_uep_to_ep(u) ((u)->ep) + #define usbhsh_urb_to_ureq(u) ((u)->hcpriv) #define usbhsh_urb_to_usbv(u) ((u)->dev) #define usbhsh_usbv_to_udev(d) dev_get_drvdata(&(d)->dev) #define usbhsh_udev_to_usbv(h) ((h)->usbv) +#define usbhsh_udev_is_used(h) usbhsh_udev_to_usbv(h) -#define usbhsh_pipe_info(p) ((p)->mod_private) +#define usbhsh_pipe_to_uep(p) ((p)->mod_private) +#define usbhsh_device_parent(d) (usbhsh_usbv_to_udev((d)->usbv->parent)) +#define usbhsh_device_hubport(d) ((d)->usbv->portnum) #define usbhsh_device_number(h, d) ((int)((d) - (h)->udev)) #define usbhsh_device_nth(h, d) ((h)->udev + d) #define usbhsh_device0(h) usbhsh_device_nth(h, 0) @@ -170,38 +154,13 @@ static const char usbhsh_hcd_name[] = "renesas_usbhs host"; #define usbhsh_port_stat_clear(h, s) ((h)->port_stat &= ~(s)) #define usbhsh_port_stat_get(h) ((h)->port_stat) -#define usbhsh_pkt_to_req(p) \ +#define usbhsh_pkt_to_ureq(p) \ container_of((void *)p, struct usbhsh_request, pkt) /* * req alloc/free */ -static void usbhsh_req_list_init(struct usbhsh_hpriv *hpriv) -{ - INIT_LIST_HEAD(&hpriv->ureq_link_active); - INIT_LIST_HEAD(&hpriv->ureq_link_free); -} - -static void usbhsh_req_list_quit(struct usbhsh_hpriv *hpriv) -{ - struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); - struct device *dev = usbhsh_hcd_to_dev(hcd); - struct usbhsh_request *ureq, *next; - - /* kfree all active ureq */ - list_for_each_entry_safe(ureq, next, - &hpriv->ureq_link_active, - ureq_link) { - dev_err(dev, "active ureq (%p) is force freed\n", ureq); - kfree(ureq); - } - - /* kfree all free ureq */ - list_for_each_entry_safe(ureq, next, &hpriv->ureq_link_free, ureq_link) - kfree(ureq); -} - -static struct usbhsh_request *usbhsh_req_alloc(struct usbhsh_hpriv *hpriv, +static struct usbhsh_request *usbhsh_ureq_alloc(struct usbhsh_hpriv *hpriv, struct urb *urb, gfp_t mem_flags) { @@ -209,270 +168,460 @@ static struct usbhsh_request *usbhsh_req_alloc(struct usbhsh_hpriv *hpriv, struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); struct device *dev = usbhs_priv_to_dev(priv); - if (list_empty(&hpriv->ureq_link_free)) { - /* - * create new one if there is no free ureq - */ - ureq = kzalloc(sizeof(struct usbhsh_request), mem_flags); - if (ureq) - INIT_LIST_HEAD(&ureq->ureq_link); - } else { - /* - * reuse "free" ureq if exist - */ - ureq = list_entry(hpriv->ureq_link_free.next, - struct usbhsh_request, - ureq_link); - if (ureq) - list_del_init(&ureq->ureq_link); - } - + ureq = kzalloc(sizeof(struct usbhsh_request), mem_flags); if (!ureq) { dev_err(dev, "ureq alloc fail\n"); return NULL; } usbhs_pkt_init(&ureq->pkt); - - /* - * push it to "active" list - */ - list_add_tail(&ureq->ureq_link, &hpriv->ureq_link_active); ureq->urb = urb; + usbhsh_urb_to_ureq(urb) = ureq; return ureq; } -static void usbhsh_req_free(struct usbhsh_hpriv *hpriv, +static void usbhsh_ureq_free(struct usbhsh_hpriv *hpriv, struct usbhsh_request *ureq) { - struct usbhs_pkt *pkt = &ureq->pkt; + usbhsh_urb_to_ureq(ureq->urb) = NULL; + ureq->urb = NULL; - usbhs_pkt_init(pkt); + kfree(ureq); +} +/* + * status + */ +static int usbhsh_is_running(struct usbhsh_hpriv *hpriv) +{ /* - * removed from "active" list, - * and push it to "free" list + * we can decide some device is attached or not + * by checking mod.irq_attch + * see + * usbhsh_irq_attch() + * usbhsh_irq_dtch() */ - ureq->urb = NULL; - list_del_init(&ureq->ureq_link); - list_add_tail(&ureq->ureq_link, &hpriv->ureq_link_free); + return (hpriv->mod.irq_attch == NULL); } /* - * device control + * pipe control */ - -static int usbhsh_device_has_endpoint(struct usbhsh_device *udev) +static void usbhsh_endpoint_sequence_save(struct usbhsh_hpriv *hpriv, + struct urb *urb, + struct usbhs_pkt *pkt) { - return !list_empty(&udev->ep_list_head); -} + int len = urb->actual_length; + int maxp = usb_endpoint_maxp(&urb->ep->desc); + int t = 0; -static struct usbhsh_device *usbhsh_device_alloc(struct usbhsh_hpriv *hpriv, - struct urb *urb) -{ - struct usbhsh_device *udev = NULL; - struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); - struct device *dev = usbhsh_hcd_to_dev(hcd); - struct usb_device *usbv = usbhsh_urb_to_usbv(urb); - struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); - int i; + /* DCP is out of sequence control */ + if (usb_pipecontrol(urb->pipe)) + return; /* - * device 0 + * renesas_usbhs pipe has a limitation in a number. + * So, driver should re-use the limited pipe for each device/endpoint. + * DATA0/1 sequence should be saved for it. + * see [image of mod_host] + * [HARDWARE LIMITATION] */ - if (0 == usb_pipedevice(urb->pipe)) { - udev = usbhsh_device0(hpriv); - goto usbhsh_device_find; - } /* - * find unused device + * next sequence depends on actual_length + * + * ex) actual_length = 1147, maxp = 512 + * data0 : 512 + * data1 : 512 + * data0 : 123 + * data1 is the next sequence */ - usbhsh_for_each_udev(udev, hpriv, i) { - if (usbhsh_udev_to_usbv(udev)) - continue; - goto usbhsh_device_find; + t = len / maxp; + if (len % maxp) + t++; + if (pkt->zero) + t++; + t %= 2; + + if (t) + usb_dotoggle(urb->dev, + usb_pipeendpoint(urb->pipe), + usb_pipeout(urb->pipe)); +} + +static struct usbhsh_device *usbhsh_device_get(struct usbhsh_hpriv *hpriv, + struct urb *urb); + +static int usbhsh_pipe_attach(struct usbhsh_hpriv *hpriv, + struct urb *urb) +{ + struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); + struct usbhsh_ep *uep = usbhsh_ep_to_uep(urb->ep); + struct usbhsh_device *udev = usbhsh_device_get(hpriv, urb); + struct usbhs_pipe *pipe; + struct usb_endpoint_descriptor *desc = &urb->ep->desc; + struct device *dev = usbhs_priv_to_dev(priv); + unsigned long flags; + int dir_in_req = !!usb_pipein(urb->pipe); + int is_dcp = usb_endpoint_xfer_control(desc); + int i, dir_in; + int ret = -EBUSY; + + /******************** spin lock ********************/ + usbhs_lock(priv, flags); + + if (unlikely(usbhsh_uep_to_pipe(uep))) { + dev_err(dev, "uep already has pipe\n"); + goto usbhsh_pipe_attach_done; } - dev_err(dev, "no free usbhsh_device\n"); + usbhs_for_each_pipe_with_dcp(pipe, priv, i) { - return NULL; + /* check pipe type */ + if (!usbhs_pipe_type_is(pipe, usb_endpoint_type(desc))) + continue; -usbhsh_device_find: - if (usbhsh_device_has_endpoint(udev)) - dev_warn(dev, "udev have old endpoint\n"); + /* check pipe direction if normal pipe */ + if (!is_dcp) { + dir_in = !!usbhs_pipe_is_dir_in(pipe); + if (0 != (dir_in - dir_in_req)) + continue; + } - /* uep will be attached */ - INIT_LIST_HEAD(&udev->ep_list_head); + /* check pipe is free */ + if (usbhsh_pipe_to_uep(pipe)) + continue; - /* - * usbhsh_usbv_to_udev() - * usbhsh_udev_to_usbv() - * will be enable - */ - dev_set_drvdata(&usbv->dev, udev); - udev->usbv = usbv; + /* + * attach pipe to uep + * + * usbhs_pipe_config_update() should be called after + * usbhs_set_device_config() + * see + * DCPMAXP/PIPEMAXP + */ + usbhsh_uep_to_pipe(uep) = pipe; + usbhsh_pipe_to_uep(pipe) = uep; - /* set device config */ - usbhs_set_device_speed(priv, - usbhsh_device_number(hpriv, udev), - usbhsh_device_number(hpriv, udev), - 0, /* FIXME no parent */ - usbv->speed); + usbhs_pipe_config_update(pipe, + usbhsh_device_number(hpriv, udev), + usb_endpoint_num(desc), + usb_endpoint_maxp(desc)); - dev_dbg(dev, "%s [%d](%p)\n", __func__, - usbhsh_device_number(hpriv, udev), udev); + dev_dbg(dev, "%s [%d-%d(%s:%s)]\n", __func__, + usbhsh_device_number(hpriv, udev), + usb_endpoint_num(desc), + usbhs_pipe_name(pipe), + dir_in_req ? "in" : "out"); - return udev; + ret = 0; + break; + } + +usbhsh_pipe_attach_done: + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ + + return ret; } -static void usbhsh_device_free(struct usbhsh_hpriv *hpriv, - struct usbhsh_device *udev) +static void usbhsh_pipe_detach(struct usbhsh_hpriv *hpriv, + struct usbhsh_ep *uep) { - struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); - struct device *dev = usbhsh_hcd_to_dev(hcd); - struct usb_device *usbv = usbhsh_udev_to_usbv(udev); + struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); + struct usbhs_pipe *pipe; + struct device *dev = usbhs_priv_to_dev(priv); + unsigned long flags; - dev_dbg(dev, "%s [%d](%p)\n", __func__, - usbhsh_device_number(hpriv, udev), udev); + /******************** spin lock ********************/ + usbhs_lock(priv, flags); - if (usbhsh_device_has_endpoint(udev)) - dev_warn(dev, "udev still have endpoint\n"); + pipe = usbhsh_uep_to_pipe(uep); - /* - * usbhsh_usbv_to_udev() - * usbhsh_udev_to_usbv() - * will be disable - */ - dev_set_drvdata(&usbv->dev, NULL); - udev->usbv = NULL; + if (unlikely(!pipe)) { + dev_err(dev, "uep doens't have pipe\n"); + } else { + struct usb_host_endpoint *ep = usbhsh_uep_to_ep(uep); + struct usbhsh_device *udev = usbhsh_uep_to_udev(uep); + + /* detach pipe from uep */ + usbhsh_uep_to_pipe(uep) = NULL; + usbhsh_pipe_to_uep(pipe) = NULL; + + dev_dbg(dev, "%s [%d-%d(%s)]\n", __func__, + usbhsh_device_number(hpriv, udev), + usb_endpoint_num(&ep->desc), + usbhs_pipe_name(pipe)); + } + + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ } /* - * end-point control + * endpoint control */ -struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv, - struct usbhsh_device *udev, - struct usb_host_endpoint *ep, - int dir_in_req, - gfp_t mem_flags) +static int usbhsh_endpoint_attach(struct usbhsh_hpriv *hpriv, + struct urb *urb, + gfp_t mem_flags) { struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); - struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); + struct usbhsh_device *udev = usbhsh_device_get(hpriv, urb); + struct usb_host_endpoint *ep = urb->ep; struct usbhsh_ep *uep; - struct usbhsh_pipe_info *info; - struct usbhs_pipe *pipe, *best_pipe; - struct device *dev = usbhsh_hcd_to_dev(hcd); + struct device *dev = usbhs_priv_to_dev(priv); struct usb_endpoint_descriptor *desc = &ep->desc; - int type, i, dir_in; - unsigned int min_usr; - - dir_in_req = !!dir_in_req; + unsigned long flags; uep = kzalloc(sizeof(struct usbhsh_ep), mem_flags); if (!uep) { dev_err(dev, "usbhsh_ep alloc fail\n"); - return NULL; + return -ENOMEM; } - if (usb_endpoint_xfer_control(desc)) { - best_pipe = usbhsh_hpriv_to_dcp(hpriv); - goto usbhsh_endpoint_alloc_find_pipe; + /******************** spin lock ********************/ + usbhs_lock(priv, flags); + + /* + * init endpoint + */ + INIT_LIST_HEAD(&uep->ep_list); + list_add_tail(&uep->ep_list, &udev->ep_list_head); + + usbhsh_uep_to_udev(uep) = udev; + usbhsh_uep_to_ep(uep) = ep; + usbhsh_ep_to_uep(ep) = uep; + + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ + + dev_dbg(dev, "%s [%d-%d]\n", __func__, + usbhsh_device_number(hpriv, udev), + usb_endpoint_num(desc)); + + return 0; +} + +static void usbhsh_endpoint_detach(struct usbhsh_hpriv *hpriv, + struct usb_host_endpoint *ep) +{ + struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); + struct device *dev = usbhs_priv_to_dev(priv); + struct usbhsh_ep *uep = usbhsh_ep_to_uep(ep); + unsigned long flags; + + if (!uep) + return; + + dev_dbg(dev, "%s [%d-%d]\n", __func__, + usbhsh_device_number(hpriv, usbhsh_uep_to_udev(uep)), + usb_endpoint_num(&ep->desc)); + + if (usbhsh_uep_to_pipe(uep)) + usbhsh_pipe_detach(hpriv, uep); + + /******************** spin lock ********************/ + usbhs_lock(priv, flags); + + /* remove this endpoint from udev */ + list_del_init(&uep->ep_list); + + usbhsh_uep_to_udev(uep) = NULL; + usbhsh_uep_to_ep(uep) = NULL; + usbhsh_ep_to_uep(ep) = NULL; + + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ + + kfree(uep); +} + +static void usbhsh_endpoint_detach_all(struct usbhsh_hpriv *hpriv, + struct usbhsh_device *udev) +{ + struct usbhsh_ep *uep, *next; + + list_for_each_entry_safe(uep, next, &udev->ep_list_head, ep_list) + usbhsh_endpoint_detach(hpriv, usbhsh_uep_to_ep(uep)); +} + +/* + * device control + */ +static int usbhsh_connected_to_rhdev(struct usb_hcd *hcd, + struct usbhsh_device *udev) +{ + struct usb_device *usbv = usbhsh_udev_to_usbv(udev); + + return hcd->self.root_hub == usbv->parent; +} + +static int usbhsh_device_has_endpoint(struct usbhsh_device *udev) +{ + return !list_empty(&udev->ep_list_head); +} + +static struct usbhsh_device *usbhsh_device_get(struct usbhsh_hpriv *hpriv, + struct urb *urb) +{ + struct usb_device *usbv = usbhsh_urb_to_usbv(urb); + struct usbhsh_device *udev = usbhsh_usbv_to_udev(usbv); + + /* usbhsh_device_attach() is still not called */ + if (!udev) + return NULL; + + /* if it is device0, return it */ + if (0 == usb_pipedevice(urb->pipe)) + return usbhsh_device0(hpriv); + + /* return attached device */ + return udev; +} + +static struct usbhsh_device *usbhsh_device_attach(struct usbhsh_hpriv *hpriv, + struct urb *urb) +{ + struct usbhsh_device *udev = NULL; + struct usbhsh_device *udev0 = usbhsh_device0(hpriv); + struct usbhsh_device *pos; + struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); + struct device *dev = usbhsh_hcd_to_dev(hcd); + struct usb_device *usbv = usbhsh_urb_to_usbv(urb); + struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); + unsigned long flags; + u16 upphub, hubport; + int i; + + /* + * This function should be called only while urb is pointing to device0. + * It will attach unused usbhsh_device to urb (usbv), + * and initialize device0. + * You can use usbhsh_device_get() to get "current" udev, + * and usbhsh_usbv_to_udev() is for "attached" udev. + */ + if (0 != usb_pipedevice(urb->pipe)) { + dev_err(dev, "%s fail: urb isn't pointing device0\n", __func__); + return NULL; } + /******************** spin lock ********************/ + usbhs_lock(priv, flags); + /* - * find best pipe for endpoint - * see - * HARDWARE LIMITATION + * find unused device */ - type = usb_endpoint_type(desc); - min_usr = ~0; - best_pipe = NULL; - usbhs_for_each_pipe(pipe, priv, i) { - if (!usbhs_pipe_type_is(pipe, type)) + usbhsh_for_each_udev(pos, hpriv, i) { + if (usbhsh_udev_is_used(pos)) continue; + udev = pos; + break; + } - dir_in = !!usbhs_pipe_is_dir_in(pipe); - if (0 != (dir_in - dir_in_req)) - continue; + if (udev) { + /* + * usbhsh_usbv_to_udev() + * usbhsh_udev_to_usbv() + * will be enable + */ + dev_set_drvdata(&usbv->dev, udev); + udev->usbv = usbv; + } - info = usbhsh_pipe_info(pipe); + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ - if (min_usr > info->usr_cnt) { - min_usr = info->usr_cnt; - best_pipe = pipe; - } + if (!udev) { + dev_err(dev, "no free usbhsh_device\n"); + return NULL; } - if (unlikely(!best_pipe)) { - dev_err(dev, "couldn't find best pipe\n"); - kfree(uep); - return NULL; + if (usbhsh_device_has_endpoint(udev)) { + dev_warn(dev, "udev have old endpoint\n"); + usbhsh_endpoint_detach_all(hpriv, udev); + } + + if (usbhsh_device_has_endpoint(udev0)) { + dev_warn(dev, "udev0 have old endpoint\n"); + usbhsh_endpoint_detach_all(hpriv, udev0); } -usbhsh_endpoint_alloc_find_pipe: + + /* uep will be attached */ + INIT_LIST_HEAD(&udev0->ep_list_head); + INIT_LIST_HEAD(&udev->ep_list_head); + /* - * init uep + * set device0 config */ - uep->pipe = best_pipe; - uep->maxp = usb_endpoint_maxp(desc); - usbhsh_uep_to_udev(uep) = udev; - usbhsh_ep_to_uep(ep) = uep; + usbhs_set_device_config(priv, + 0, 0, 0, usbv->speed); /* - * update pipe user count + * set new device config */ - info = usbhsh_pipe_info(best_pipe); - info->usr_cnt++; + upphub = 0; + hubport = 0; + if (!usbhsh_connected_to_rhdev(hcd, udev)) { + /* if udev is not connected to rhdev, it means parent is Hub */ + struct usbhsh_device *parent = usbhsh_device_parent(udev); - /* init this endpoint, and attach it to udev */ - INIT_LIST_HEAD(&uep->ep_list); - list_add_tail(&uep->ep_list, &udev->ep_list_head); + upphub = usbhsh_device_number(hpriv, parent); + hubport = usbhsh_device_hubport(udev); - /* - * usbhs_pipe_config_update() should be called after - * usbhs_device_config() - * see - * DCPMAXP/PIPEMAXP - */ - usbhs_pipe_sequence_data0(uep->pipe); - usbhs_pipe_config_update(uep->pipe, - usbhsh_device_number(hpriv, udev), - usb_endpoint_num(desc), - uep->maxp); + dev_dbg(dev, "%s connecte to Hub [%d:%d](%p)\n", __func__, + upphub, hubport, parent); + } - dev_dbg(dev, "%s [%d-%s](%p)\n", __func__, - usbhsh_device_number(hpriv, udev), - usbhs_pipe_name(uep->pipe), uep); + usbhs_set_device_config(priv, + usbhsh_device_number(hpriv, udev), + upphub, hubport, usbv->speed); - return uep; + dev_dbg(dev, "%s [%d](%p)\n", __func__, + usbhsh_device_number(hpriv, udev), udev); + + return udev; } -void usbhsh_endpoint_free(struct usbhsh_hpriv *hpriv, - struct usb_host_endpoint *ep) +static void usbhsh_device_detach(struct usbhsh_hpriv *hpriv, + struct usbhsh_device *udev) { + struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); - struct device *dev = usbhs_priv_to_dev(priv); - struct usbhsh_ep *uep = usbhsh_ep_to_uep(ep); - struct usbhsh_pipe_info *info; + struct device *dev = usbhsh_hcd_to_dev(hcd); + struct usb_device *usbv = usbhsh_udev_to_usbv(udev); + unsigned long flags; - if (!uep) - return; + dev_dbg(dev, "%s [%d](%p)\n", __func__, + usbhsh_device_number(hpriv, udev), udev); - dev_dbg(dev, "%s [%d-%s](%p)\n", __func__, - usbhsh_device_number(hpriv, usbhsh_uep_to_udev(uep)), - usbhs_pipe_name(uep->pipe), uep); + if (usbhsh_device_has_endpoint(udev)) { + dev_warn(dev, "udev still have endpoint\n"); + usbhsh_endpoint_detach_all(hpriv, udev); + } - info = usbhsh_pipe_info(uep->pipe); - info->usr_cnt--; + /* + * There is nothing to do if it is device0. + * see + * usbhsh_device_attach() + * usbhsh_device_get() + */ + if (0 == usbhsh_device_number(hpriv, udev)) + return; - /* remove this endpoint from udev */ - list_del_init(&uep->ep_list); + /******************** spin lock ********************/ + usbhs_lock(priv, flags); - usbhsh_uep_to_udev(uep) = NULL; - usbhsh_ep_to_uep(ep) = NULL; + /* + * usbhsh_usbv_to_udev() + * usbhsh_udev_to_usbv() + * will be disable + */ + dev_set_drvdata(&usbv->dev, NULL); + udev->usbv = NULL; - kfree(uep); + usbhs_unlock(priv, flags); + /******************** spin unlock ******************/ } /* @@ -480,11 +629,13 @@ void usbhsh_endpoint_free(struct usbhsh_hpriv *hpriv, */ static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt) { - struct usbhsh_request *ureq = usbhsh_pkt_to_req(pkt); + struct usbhsh_request *ureq = usbhsh_pkt_to_ureq(pkt); struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); struct urb *urb = ureq->urb; + struct usbhsh_ep *uep = usbhsh_ep_to_uep(urb->ep); struct device *dev = usbhs_priv_to_dev(priv); + int status = 0; dev_dbg(dev, "%s\n", __func__); @@ -493,29 +644,43 @@ static void usbhsh_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt) return; } + if (!usbhsh_is_running(hpriv)) + status = -ESHUTDOWN; + urb->actual_length = pkt->actual; - usbhsh_req_free(hpriv, ureq); - usbhsh_urb_to_ureq(urb) = NULL; + usbhsh_ureq_free(hpriv, ureq); + + usbhsh_endpoint_sequence_save(hpriv, urb, pkt); + usbhsh_pipe_detach(hpriv, uep); usb_hcd_unlink_urb_from_ep(hcd, urb); - usb_hcd_giveback_urb(hcd, urb, 0); + usb_hcd_giveback_urb(hcd, urb, status); } static int usbhsh_queue_push(struct usb_hcd *hcd, - struct usbhs_pipe *pipe, - struct urb *urb) + struct urb *urb, + gfp_t mem_flags) { - struct usbhsh_request *ureq = usbhsh_urb_to_ureq(urb); - struct usbhs_pkt *pkt = &ureq->pkt; + struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd); + struct usbhsh_ep *uep = usbhsh_ep_to_uep(urb->ep); + struct usbhs_pipe *pipe = usbhsh_uep_to_pipe(uep); struct device *dev = usbhsh_hcd_to_dev(hcd); + struct usbhsh_request *ureq; void *buf; - int len; + int len, sequence; if (usb_pipeisoc(urb->pipe)) { dev_err(dev, "pipe iso is not supported now\n"); return -EIO; } + /* this ureq will be freed on usbhsh_queue_done() */ + ureq = usbhsh_ureq_alloc(hpriv, urb, mem_flags); + if (unlikely(!ureq)) { + dev_err(dev, "ureq alloc fail\n"); + return -ENOMEM; + } + if (usb_pipein(urb->pipe)) pipe->handler = &usbhs_fifo_pio_pop_handler; else @@ -524,25 +689,59 @@ static int usbhsh_queue_push(struct usb_hcd *hcd, buf = (void *)(urb->transfer_buffer + urb->actual_length); len = urb->transfer_buffer_length - urb->actual_length; + sequence = usb_gettoggle(urb->dev, + usb_pipeendpoint(urb->pipe), + usb_pipeout(urb->pipe)); + dev_dbg(dev, "%s\n", __func__); - usbhs_pkt_push(pipe, pkt, usbhsh_queue_done, - buf, len, (urb->transfer_flags & URB_ZERO_PACKET)); + usbhs_pkt_push(pipe, &ureq->pkt, usbhsh_queue_done, + buf, len, (urb->transfer_flags & URB_ZERO_PACKET), + sequence); + usbhs_pkt_start(pipe); return 0; } +static void usbhsh_queue_force_pop(struct usbhs_priv *priv, + struct usbhs_pipe *pipe) +{ + struct usbhs_pkt *pkt; + + while (1) { + pkt = usbhs_pkt_pop(pipe, NULL); + if (!pkt) + break; + + /* + * if all packet are gone, usbhsh_endpoint_disable() + * will be called. + * then, attached device/endpoint/pipe will be detached + */ + usbhsh_queue_done(priv, pkt); + } +} + +static void usbhsh_queue_force_pop_all(struct usbhs_priv *priv) +{ + struct usbhs_pipe *pos; + int i; + + usbhs_for_each_pipe_with_dcp(pos, priv, i) + usbhsh_queue_force_pop(priv, pos); +} + /* * DCP setup stage */ static int usbhsh_is_request_address(struct urb *urb) { - struct usb_ctrlrequest *cmd; + struct usb_ctrlrequest *req; - cmd = (struct usb_ctrlrequest *)urb->setup_packet; + req = (struct usb_ctrlrequest *)urb->setup_packet; - if ((DeviceOutRequest == cmd->bRequestType << 8) && - (USB_REQ_SET_ADDRESS == cmd->bRequest)) + if ((DeviceOutRequest == req->bRequestType << 8) && + (USB_REQ_SET_ADDRESS == req->bRequest)) return 1; else return 0; @@ -570,11 +769,15 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv, /* * renesas_usbhs can not use original usb address. * see HARDWARE LIMITATION. - * modify usb address here. + * modify usb address here to use attached device. + * see usbhsh_device_attach() */ if (usbhsh_is_request_address(urb)) { - /* FIXME */ - req.wValue = 1; + struct usb_device *usbv = usbhsh_urb_to_usbv(urb); + struct usbhsh_device *udev = usbhsh_usbv_to_udev(usbv); + + /* udev is a attached device */ + req.wValue = usbhsh_device_number(hpriv, udev); dev_dbg(dev, "create new address - %d\n", req.wValue); } @@ -595,82 +798,80 @@ static void usbhsh_setup_stage_packet_push(struct usbhsh_hpriv *hpriv, static void usbhsh_data_stage_packet_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt) { - struct usbhsh_request *ureq = usbhsh_pkt_to_req(pkt); + struct usbhsh_request *ureq = usbhsh_pkt_to_ureq(pkt); struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); - struct urb *urb = ureq->urb; /* this ureq was connected to urb when usbhsh_urb_enqueue() */ - usbhsh_req_free(hpriv, ureq); - usbhsh_urb_to_ureq(urb) = NULL; + usbhsh_ureq_free(hpriv, ureq); } -static void usbhsh_data_stage_packet_push(struct usbhsh_hpriv *hpriv, - struct urb *urb, - struct usbhs_pipe *pipe) +static int usbhsh_data_stage_packet_push(struct usbhsh_hpriv *hpriv, + struct urb *urb, + struct usbhs_pipe *pipe, + gfp_t mem_flags) + { struct usbhsh_request *ureq; - struct usbhs_pkt *pkt; - /* - * FIXME - * - * data stage uses ureq which is connected to urb - * see usbhsh_urb_enqueue() :: alloc new request. - * it will be freed in usbhsh_data_stage_packet_done() - */ - ureq = usbhsh_urb_to_ureq(urb); - pkt = &ureq->pkt; + /* this ureq will be freed on usbhsh_data_stage_packet_done() */ + ureq = usbhsh_ureq_alloc(hpriv, urb, mem_flags); + if (unlikely(!ureq)) + return -ENOMEM; if (usb_pipein(urb->pipe)) pipe->handler = &usbhs_dcp_data_stage_in_handler; else pipe->handler = &usbhs_dcp_data_stage_out_handler; - usbhs_pkt_push(pipe, pkt, + usbhs_pkt_push(pipe, &ureq->pkt, usbhsh_data_stage_packet_done, urb->transfer_buffer, urb->transfer_buffer_length, - (urb->transfer_flags & URB_ZERO_PACKET)); + (urb->transfer_flags & URB_ZERO_PACKET), + -1); + + return 0; } /* * DCP status stage */ -static void usbhsh_status_stage_packet_push(struct usbhsh_hpriv *hpriv, +static int usbhsh_status_stage_packet_push(struct usbhsh_hpriv *hpriv, struct urb *urb, - struct usbhs_pipe *pipe) + struct usbhs_pipe *pipe, + gfp_t mem_flags) { struct usbhsh_request *ureq; - struct usbhs_pkt *pkt; - /* - * FIXME - * - * status stage uses allocated ureq. - * it will be freed on usbhsh_queue_done() - */ - ureq = usbhsh_req_alloc(hpriv, urb, GFP_KERNEL); - pkt = &ureq->pkt; + /* This ureq will be freed on usbhsh_queue_done() */ + ureq = usbhsh_ureq_alloc(hpriv, urb, mem_flags); + if (unlikely(!ureq)) + return -ENOMEM; if (usb_pipein(urb->pipe)) pipe->handler = &usbhs_dcp_status_stage_in_handler; else pipe->handler = &usbhs_dcp_status_stage_out_handler; - usbhs_pkt_push(pipe, pkt, + usbhs_pkt_push(pipe, &ureq->pkt, usbhsh_queue_done, NULL, urb->transfer_buffer_length, - 0); + 0, -1); + + return 0; } static int usbhsh_dcp_queue_push(struct usb_hcd *hcd, - struct usbhsh_hpriv *hpriv, - struct usbhs_pipe *pipe, - struct urb *urb) + struct urb *urb, + gfp_t mflags) { + struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd); + struct usbhsh_ep *uep = usbhsh_ep_to_uep(urb->ep); + struct usbhs_pipe *pipe = usbhsh_uep_to_pipe(uep); struct device *dev = usbhsh_hcd_to_dev(hcd); + int ret; dev_dbg(dev, "%s\n", __func__); @@ -686,13 +887,22 @@ static int usbhsh_dcp_queue_push(struct usb_hcd *hcd, * * It is pushed only when urb has buffer. */ - if (urb->transfer_buffer_length) - usbhsh_data_stage_packet_push(hpriv, urb, pipe); + if (urb->transfer_buffer_length) { + ret = usbhsh_data_stage_packet_push(hpriv, urb, pipe, mflags); + if (ret < 0) { + dev_err(dev, "data stage failed\n"); + return ret; + } + } /* * status stage */ - usbhsh_status_stage_packet_push(hpriv, urb, pipe); + ret = usbhsh_status_stage_packet_push(hpriv, urb, pipe, mflags); + if (ret < 0) { + dev_err(dev, "status stage failed\n"); + return ret; + } /* * start pushed packets @@ -729,71 +939,82 @@ static int usbhsh_urb_enqueue(struct usb_hcd *hcd, struct usbhsh_hpriv *hpriv = usbhsh_hcd_to_hpriv(hcd); struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); struct device *dev = usbhs_priv_to_dev(priv); - struct usb_device *usbv = usbhsh_urb_to_usbv(urb); struct usb_host_endpoint *ep = urb->ep; - struct usbhsh_request *ureq; - struct usbhsh_device *udev, *new_udev = NULL; - struct usbhs_pipe *pipe; - struct usbhsh_ep *uep; + struct usbhsh_device *new_udev = NULL; int is_dir_in = usb_pipein(urb->pipe); - + int i; int ret; dev_dbg(dev, "%s (%s)\n", __func__, is_dir_in ? "in" : "out"); + if (!usbhsh_is_running(hpriv)) { + ret = -EIO; + dev_err(dev, "host is not running\n"); + goto usbhsh_urb_enqueue_error_not_linked; + } + ret = usb_hcd_link_urb_to_ep(hcd, urb); - if (ret) + if (ret) { + dev_err(dev, "urb link failed\n"); goto usbhsh_urb_enqueue_error_not_linked; + } /* - * get udev + * attach udev if needed + * see [image of mod_host] */ - udev = usbhsh_usbv_to_udev(usbv); - if (!udev) { - new_udev = usbhsh_device_alloc(hpriv, urb); - if (!new_udev) + if (!usbhsh_device_get(hpriv, urb)) { + new_udev = usbhsh_device_attach(hpriv, urb); + if (!new_udev) { + ret = -EIO; + dev_err(dev, "device attach failed\n"); goto usbhsh_urb_enqueue_error_not_linked; - - udev = new_udev; + } } /* - * get uep + * attach endpoint if needed + * see [image of mod_host] */ - uep = usbhsh_ep_to_uep(ep); - if (!uep) { - uep = usbhsh_endpoint_alloc(hpriv, udev, ep, - is_dir_in, mem_flags); - if (!uep) + if (!usbhsh_ep_to_uep(ep)) { + ret = usbhsh_endpoint_attach(hpriv, urb, mem_flags); + if (ret < 0) { + dev_err(dev, "endpoint attach failed\n"); goto usbhsh_urb_enqueue_error_free_device; + } } - pipe = usbhsh_uep_to_pipe(uep); /* - * alloc new request + * attach pipe to endpoint + * see [image of mod_host] */ - ureq = usbhsh_req_alloc(hpriv, urb, mem_flags); - if (unlikely(!ureq)) { - ret = -ENOMEM; + for (i = 0; i < 1024; i++) { + ret = usbhsh_pipe_attach(hpriv, urb); + if (ret < 0) + msleep(100); + else + break; + } + if (ret < 0) { + dev_err(dev, "pipe attach failed\n"); goto usbhsh_urb_enqueue_error_free_endpoint; } - usbhsh_urb_to_ureq(urb) = ureq; /* * push packet */ if (usb_pipecontrol(urb->pipe)) - usbhsh_dcp_queue_push(hcd, hpriv, pipe, urb); + ret = usbhsh_dcp_queue_push(hcd, urb, mem_flags); else - usbhsh_queue_push(hcd, pipe, urb); + ret = usbhsh_queue_push(hcd, urb, mem_flags); - return 0; + return ret; usbhsh_urb_enqueue_error_free_endpoint: - usbhsh_endpoint_free(hpriv, ep); + usbhsh_endpoint_detach(hpriv, ep); usbhsh_urb_enqueue_error_free_device: if (new_udev) - usbhsh_device_free(hpriv, new_udev); + usbhsh_device_detach(hpriv, new_udev); usbhsh_urb_enqueue_error_not_linked: dev_dbg(dev, "%s error\n", __func__); @@ -807,8 +1028,11 @@ static int usbhsh_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) struct usbhsh_request *ureq = usbhsh_urb_to_ureq(urb); if (ureq) { - usbhsh_req_free(hpriv, ureq); - usbhsh_urb_to_ureq(urb) = NULL; + struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv); + struct usbhs_pkt *pkt = &ureq->pkt; + + usbhs_pkt_pop(pkt->pipe, pkt); + usbhsh_queue_done(priv, pkt); } return 0; @@ -823,7 +1047,7 @@ static void usbhsh_endpoint_disable(struct usb_hcd *hcd, /* * this function might be called manytimes by same hcd/ep - * in-endpoitn == out-endpoint if ep == dcp. + * in-endpoint == out-endpoint if ep == dcp. */ if (!uep) return; @@ -831,15 +1055,14 @@ static void usbhsh_endpoint_disable(struct usb_hcd *hcd, udev = usbhsh_uep_to_udev(uep); hpriv = usbhsh_hcd_to_hpriv(hcd); - usbhsh_endpoint_free(hpriv, ep); - ep->hcpriv = NULL; + usbhsh_endpoint_detach(hpriv, ep); /* * if there is no endpoint, * free device */ if (!usbhsh_device_has_endpoint(udev)) - usbhsh_device_free(hpriv, udev); + usbhsh_device_detach(hpriv, udev); } static int usbhsh_hub_status_data(struct usb_hcd *hcd, char *buf) @@ -919,6 +1142,8 @@ static int __usbhsh_hub_port_feature(struct usbhsh_hpriv *hpriv, USB_PORT_STAT_HIGH_SPEED | USB_PORT_STAT_LOW_SPEED); + usbhsh_queue_force_pop_all(priv); + usbhs_bus_send_reset(priv); msleep(20); usbhs_bus_send_sof_enable(priv); @@ -1082,6 +1307,20 @@ static int usbhsh_irq_attch(struct usbhs_priv *priv, usbhsh_port_stat_set(hpriv, USB_PORT_STAT_CONNECTION); usbhsh_port_stat_set(hpriv, USB_PORT_STAT_C_CONNECTION << 16); + /* + * attch interrupt might happen infinitely on some device + * (on self power USB hub ?) + * disable it here. + * + * usbhsh_is_running() becomes effective + * according to this process. + * see + * usbhsh_is_running() + * usbhsh_urb_enqueue() + */ + hpriv->mod.irq_attch = NULL; + usbhs_irq_callback_update(priv, &hpriv->mod); + return 0; } @@ -1096,6 +1335,24 @@ static int usbhsh_irq_dtch(struct usbhs_priv *priv, usbhsh_port_stat_clear(hpriv, USB_PORT_STAT_CONNECTION); usbhsh_port_stat_set(hpriv, USB_PORT_STAT_C_CONNECTION << 16); + /* + * enable attch interrupt again + * + * usbhsh_is_running() becomes invalid + * according to this process. + * see + * usbhsh_is_running() + * usbhsh_urb_enqueue() + */ + hpriv->mod.irq_attch = usbhsh_irq_attch; + usbhs_irq_callback_update(priv, &hpriv->mod); + + /* + * usbhsh_queue_force_pop_all() should be called + * after usbhsh_is_running() becomes invalid. + */ + usbhsh_queue_force_pop_all(priv); + return 0; } @@ -1131,7 +1388,6 @@ static int usbhsh_irq_setup_err(struct usbhs_priv *priv, static void usbhsh_pipe_init_for_host(struct usbhs_priv *priv) { struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); - struct usbhsh_pipe_info *pipe_info = hpriv->pipe_info; struct usbhs_pipe *pipe; u32 *pipe_type = usbhs_get_dparam(priv, pipe_type); int pipe_size = usbhs_get_dparam(priv, pipe_size); @@ -1140,7 +1396,6 @@ static void usbhsh_pipe_init_for_host(struct usbhs_priv *priv) /* init all pipe */ old_type = USB_ENDPOINT_XFER_CONTROL; for (i = 0; i < pipe_size; i++) { - pipe_info[i].usr_cnt = 0; /* * data "output" will be finished as soon as possible, @@ -1174,7 +1429,7 @@ static void usbhsh_pipe_init_for_host(struct usbhs_priv *priv) dir_in); } - pipe->mod_private = pipe_info + i; + pipe->mod_private = NULL; } } @@ -1205,9 +1460,7 @@ static int usbhsh_start(struct usbhs_priv *priv) * - host * - usb module */ - usbhs_sys_hispeed_ctrl(priv, 1); usbhs_sys_host_ctrl(priv, 1); - usbhs_sys_usb_ctrl(priv, 1); /* * enable irq callback @@ -1242,9 +1495,7 @@ static int usbhsh_stop(struct usbhs_priv *priv) usb_remove_hcd(hcd); /* disable sys */ - usbhs_sys_hispeed_ctrl(priv, 0); usbhs_sys_host_ctrl(priv, 0); - usbhs_sys_usb_ctrl(priv, 0); dev_dbg(dev, "quit host\n"); @@ -1255,10 +1506,8 @@ int usbhs_mod_host_probe(struct usbhs_priv *priv) { struct usbhsh_hpriv *hpriv; struct usb_hcd *hcd; - struct usbhsh_pipe_info *pipe_info; struct usbhsh_device *udev; struct device *dev = usbhs_priv_to_dev(priv); - int pipe_size = usbhs_get_dparam(priv, pipe_size); int i; /* initialize hcd */ @@ -1268,12 +1517,6 @@ int usbhs_mod_host_probe(struct usbhs_priv *priv) return -ENOMEM; } - pipe_info = kcalloc(pipe_size, sizeof(*pipe_info), GFP_KERNEL); - if (!pipe_info) { - dev_err(dev, "Could not allocate pipe_info\n"); - goto usbhs_mod_host_probe_err; - } - /* * CAUTION * @@ -1293,9 +1536,6 @@ int usbhs_mod_host_probe(struct usbhs_priv *priv) hpriv->mod.name = "host"; hpriv->mod.start = usbhsh_start; hpriv->mod.stop = usbhsh_stop; - hpriv->pipe_info = pipe_info; - hpriv->pipe_size = pipe_size; - usbhsh_req_list_init(hpriv); usbhsh_port_stat_init(hpriv); /* init all device */ @@ -1307,11 +1547,6 @@ int usbhs_mod_host_probe(struct usbhs_priv *priv) dev_info(dev, "host probed\n"); return 0; - -usbhs_mod_host_probe_err: - usb_put_hcd(hcd); - - return -ENOMEM; } int usbhs_mod_host_remove(struct usbhs_priv *priv) @@ -1319,8 +1554,6 @@ int usbhs_mod_host_remove(struct usbhs_priv *priv) struct usbhsh_hpriv *hpriv = usbhsh_priv_to_hpriv(priv); struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv); - usbhsh_req_list_quit(hpriv); - usb_put_hcd(hcd); return 0; diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c index c74389ce217..c2559e80d41 100644 --- a/drivers/usb/renesas_usbhs/pipe.c +++ b/drivers/usb/renesas_usbhs/pipe.c @@ -257,6 +257,13 @@ void usbhs_pipe_stall(struct usbhs_pipe *pipe) } } +int usbhs_pipe_is_stall(struct usbhs_pipe *pipe) +{ + u16 pid = usbhsp_pipectrl_get(pipe) & PID_MASK; + + return (int)(pid == PID_STALL10 || pid == PID_STALL11); +} + /* * pipe setup */ @@ -471,10 +478,27 @@ int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe) return usbhsp_flags_has(pipe, IS_DIR_HOST); } -void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data) +void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int sequence) { u16 mask = (SQCLR | SQSET); - u16 val = (data) ? SQSET : SQCLR; + u16 val; + + /* + * sequence + * 0 : data0 + * 1 : data1 + * -1 : no change + */ + switch (sequence) { + case 0: + val = SQCLR; + break; + case 1: + val = SQSET; + break; + default: + return; + } usbhsp_pipectrl_set(pipe, mask, val); } diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h index 6334fc644cc..fa18b7dc2b2 100644 --- a/drivers/usb/renesas_usbhs/pipe.h +++ b/drivers/usb/renesas_usbhs/pipe.h @@ -87,6 +87,7 @@ int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe); void usbhs_pipe_enable(struct usbhs_pipe *pipe); void usbhs_pipe_disable(struct usbhs_pipe *pipe); void usbhs_pipe_stall(struct usbhs_pipe *pipe); +int usbhs_pipe_is_stall(struct usbhs_pipe *pipe); void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo); void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel, u16 epnum, u16 maxp); diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 1d3a67523ff..317d8925387 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -477,8 +477,8 @@ struct usb_gadget_ops { * driver setup() requests * @ep_list: List of other endpoints supported by the device. * @speed: Speed of current connection to USB host. - * @is_dualspeed: True if the controller supports both high and full speed - * operation. If it does, the gadget driver must also support both. + * @max_speed: Maximal speed the UDC can handle. UDC must support this + * and all slower speeds. * @is_otg: True if the USB device port uses a Mini-AB jack, so that the * gadget driver must provide a USB OTG descriptor. * @is_a_peripheral: False unless is_otg, the "A" end of a USB cable @@ -518,7 +518,7 @@ struct usb_gadget { struct usb_ep *ep0; struct list_head ep_list; /* of usb_ep */ enum usb_device_speed speed; - unsigned is_dualspeed:1; + enum usb_device_speed max_speed; unsigned is_otg:1; unsigned is_a_peripheral:1; unsigned b_hnp_enable:1; @@ -549,7 +549,7 @@ static inline struct usb_gadget *dev_to_usb_gadget(struct device *dev) static inline int gadget_is_dualspeed(struct usb_gadget *g) { #ifdef CONFIG_USB_GADGET_DUALSPEED - /* runtime test would check "g->is_dualspeed" ... that might be + /* runtime test would check "g->max_speed" ... that might be * useful to work around hardware bugs, but is mostly pointless */ return 1; @@ -567,7 +567,7 @@ static inline int gadget_is_superspeed(struct usb_gadget *g) { #ifdef CONFIG_USB_GADGET_SUPERSPEED /* - * runtime test would check "g->is_superspeed" ... that might be + * runtime test would check "g->max_speed" ... that might be * useful to work around hardware bugs, but is mostly pointless */ return 1; @@ -760,7 +760,7 @@ static inline int usb_gadget_disconnect(struct usb_gadget *gadget) /** * struct usb_gadget_driver - driver for usb 'slave' devices * @function: String describing the gadget's function - * @speed: Highest speed the driver handles. + * @max_speed: Highest speed the driver handles. * @setup: Invoked for ep0 control requests that aren't handled by * the hardware level driver. Most calls must be handled by * the gadget driver, including descriptor and configuration @@ -824,7 +824,7 @@ static inline int usb_gadget_disconnect(struct usb_gadget *gadget) */ struct usb_gadget_driver { char *function; - enum usb_device_speed speed; + enum usb_device_speed max_speed; void (*unbind)(struct usb_gadget *); int (*setup)(struct usb_gadget *, const struct usb_ctrlrequest *); diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h index e5a40c31854..0d3f9887925 100644 --- a/include/linux/usb/renesas_usbhs.h +++ b/include/linux/usb/renesas_usbhs.h @@ -67,6 +67,14 @@ struct renesas_usbhs_platform_callback { /* * option: * + * for board specific clock control + */ + void (*power_ctrl)(struct platform_device *pdev, + void __iomem *base, int enable); + + /* + * option: + * * Phy reset for platform */ void (*phy_reset)(struct platform_device *pdev); @@ -118,7 +126,7 @@ struct renesas_usbhs_driver_param { * * delay time from notify_hotplug callback */ - int detection_delay; + int detection_delay; /* msec */ /* * option: |