diff options
| author | Patrick Georgi <pgeorgi@google.com> | 2015-06-18 00:15:00 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-06-23 08:20:45 +0200 |
| commit | f4227c4b01840c092b5431cbe6d92de282fe5628 (patch) | |
| tree | 633273d321aa2cef3666f93fd39fe27ee11e671c /payloads/libpayload/include/udc/udc.h | |
| parent | 68f42be887fa0d98400babf30c1738e580d05f67 (diff) | |
libpayload udc: add interface to add string descriptors
They're ASCII only, with only one language at a time,
but they should be good enough to report device names and
serial numbers.
BUG=none
BRANCH=none
TEST=with depthcharge CL, check dmesg on the host device
Change-Id: If888e05b2f372f7f0f43fadb108ca7ef4ed3b7c1
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: f0bc4242057d3edc4f4796ebeed2d98d89d60a1d
Original-Change-Id: Ibe42f1b49f412e5482cebb7ebe20f6034352fd12
Original-Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/278300
Original-Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Queue: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/10626
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'payloads/libpayload/include/udc/udc.h')
| -rw-r--r-- | payloads/libpayload/include/udc/udc.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/payloads/libpayload/include/udc/udc.h b/payloads/libpayload/include/udc/udc.h index 7987c51286..99cbb1b7eb 100644 --- a/payloads/libpayload/include/udc/udc.h +++ b/payloads/libpayload/include/udc/udc.h @@ -103,6 +103,22 @@ struct usbdev_ctrl { struct usbdev_configuration *config); /** + * Add a set of strings to use for string descriptors. + * + * 's' must point to an array of strings of which the first + * element is unused, with at most 255 elements. + * + * 'm' is the size of 'strings' (ie. the index of the last entry). + * + * 'l' is the USB language code, of which some are defined below, + * eg. LANG_EN_US. + * + * For now, only one language is ever exposed: Calling add_strings overwrites + * older configuration. + */ + void (*add_strings)(unsigned short l, unsigned char m, const char **s); + + /** * Add packet to process by the controller. * zlp: zero length packet, if such a termination is necessary * autofree: free data after use @@ -136,8 +152,13 @@ struct usbdev_ctrl { void (*free_data)(void *); }; +#define LANG_DE_DE 0x0407 +#define LANG_EN_US 0x0409 + void udc_add_gadget(struct usbdev_ctrl *this, struct usbdev_configuration *config); +void udc_add_strings(unsigned short id, unsigned char count, + const char *strings[]); void udc_handle_setup(struct usbdev_ctrl *this, int ep, dev_req_t *dr); #endif |