Commit graph

13 commits

Author SHA1 Message Date
Anatolij Gustschin
94191960cb drivers/usb/musb/musb_hcd.c: Fix GCC 4.6 warning
Fix:
musb_hcd.c: In function 'submit_control_msg':
musb_hcd.c:851:6: warning: variable 'csr' set but not used
[-Wunused-but-set-variable]

Signed-off-by: Anatolij Gustschin <agust@denx.de>
2011-11-23 08:14:27 +01:00
Cliff Cai
b17ce92a42 musb: process control messages after roothub accepted it
When dealing with non-multipoint devices, if the software root hub code
accepted the message, then we still need to process it normally.  So only
return quickly when the root hub skipped the message or is otherwise in
an error state.

Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-06-25 09:53:10 +02:00
Mike Frysinger
0228348e9c usb: musb: constify a bit
These ep and root hub structures need not be writable.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-10-22 21:41:46 +02:00
Bryan Wu
4ee691f6ac usb: musb: only write CLRDATATOG when appropriate
This is a change similar to what is already in the Linux driver.  We
should only program the CLRDATATOG bit when the current mode indicates
that it is needed.

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-10-13 12:08:43 +02:00
Bryan Wu
93ceb4790d usb: musb: set target address for non-multipoint devices
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-09-11 09:49:22 +02:00
Bryan Wu
8dd7a23007 usb: musb: setup TXCOUNT for Blackfin musb
The Blackfin implementation of musb has a TXCOUNT register that needs to
be programmed when transmitting data.

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-09-11 09:49:21 +02:00
Bryan Wu
321790f61b usb: musb: add virtual root hub control support
For MUSB devices that do not support multipoint (hubs), we have to emulate
a root hub so that we can support core operations like resetting ports.

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2010-01-12 20:11:27 +01:00
Bryan Wu
bc72a919e0 usb: musb: change rxcsr register from write to read/modify/write
The RX Control/Status register has bits that we want to preserve, so don't
just write out a single bit.  Preserve the others bits in the process.

The original code posted to the u-boot list had this behavior, but looks
like it was lost somewhere along the way to merging.

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Remy Bohmer <linux@bohmer.net>
2010-01-09 10:25:09 +01:00
Bryan Wu
8868fd443b usb: musb: make multipoint optional
The multipoint handling under MUSB is optional, and some parts (like the
Blackfin processor) do not implement support for it.

Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Remy Bohmer <linux@bohmer.net>
2010-01-09 10:25:08 +01:00
Tom Rix
8f8bd565f3 USB Consolidate descriptor definitions
The header files usb.h and usbdescriptors.h have the same nameed
structure definitions for

usb_config_descriptor
usb_interface_descriptor
usb_endpoint_descriptor
usb_device_descriptor
usb_string_descriptor

These are out right duplicates in usb.h

usb_device_descriptor
usb_string_descriptor

This one has extra unused elements

usb_endpoint_descriptor

	unsigned char	bRefresh
	unsigned char	bSynchAddress;

These in usb.h have extra elements at the end of the usb 2.0
specified descriptor and are used.

usb_config_descriptor
usb_interface_descriptor

The change is to consolidate the definition of the descriptors
to usbdescriptors.h.  The dublicates in usb.h are removed.
The extra element structure will have their name shorted by
removing the '_descriptor' suffix.

So

usb_config_descriptor -> usb_config
usb_interface_descriptor -> usb_interface

For these, the common descriptor elements are accessed now
by an element 'desc'.

As an example

-	if (iface->bInterfaceClass != USB_CLASS_HUB)
+	if (iface->desc.bInterfaceClass != USB_CLASS_HUB)

This has been compile tested on MAKEALL arm, ppc and mips.

Signed-off-by: Tom Rix <Tom.Rix@windriver.com>
2009-12-20 12:47:37 +01:00
Jean-Christophe PLAGNIOL-VILLARD
52cb4d4fb3 stdio/device: rework function naming convention
So far the console API uses the following naming convention:

	======Extract======
	typedef struct device_t;

	int	device_register (device_t * dev);
	int	devices_init (void);
	int	device_deregister(char *devname);
	struct list_head* device_get_list(void);
	device_t* device_get_by_name(char* name);
	device_t* device_clone(device_t *dev);
	=======

which is too generic and confusing.

Instead of using device_XX and device_t we change this
into stdio_XX and stdio_dev

This will also allow to add later a generic device mechanism in order
to have support for multiple devices and driver instances.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

Edited commit message.

Signed-off-by: Wolfgang Denk <wd@denx.de>
2009-07-18 00:27:46 +02:00
Bryan Wu
c3a012ce65 usb: musb: add timeout via CONFIG_MUSB_TIMEOUT
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Remy Bohmer <linux@bohmer.net>
2009-07-09 21:33:15 +02:00
Jean-Christophe PLAGNIOL-VILLARD
2731b9a866 drivers/usb: regorganisation
move to linux usb driver organisation

as following

drivers/usb/gadget
drivers/usb/host
drivers/usb/musb

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Remy Bohmer <linux@bohmer.net>
2009-04-06 20:40:46 +02:00
Renamed from drivers/usb/musb_hcd.c (Browse further)