summaryrefslogtreecommitdiffstats
path: root/include/linux/usb/musb.h
diff options
context:
space:
mode:
authorFelipe Balbi <felipe.balbi@nokia.com>2010-03-12 10:29:06 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-20 13:21:31 -0700
commite6c213b2968cbee4cfb8f89f2d685b9ad07eefbd (patch)
treebbe7c6bd630c3fef4dc1062b762c5fba9b7d1d6d /include/linux/usb/musb.h
parentbd5afa9eac6daa408412a31a6c69e87e8bd28c7e (diff)
downloadtalos-obmc-linux-e6c213b2968cbee4cfb8f89f2d685b9ad07eefbd.tar.gz
talos-obmc-linux-e6c213b2968cbee4cfb8f89f2d685b9ad07eefbd.zip
usb: musb: allow board to pass down fifo mode
boards might want to optimize their fifo configuration to the particular needs of that specific board. Allow that by moving all related data structures to <linux/usb/musb.h> Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/usb/musb.h')
-rw-r--r--include/linux/usb/musb.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index 7acef0234c0e..f3d68f62dae8 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -22,12 +22,47 @@ enum musb_mode {
struct clk;
+enum musb_fifo_style {
+ FIFO_RXTX,
+ FIFO_TX,
+ FIFO_RX
+} __attribute__ ((packed));
+
+enum musb_buf_mode {
+ BUF_SINGLE,
+ BUF_DOUBLE
+} __attribute__ ((packed));
+
+struct musb_fifo_cfg {
+ u8 hw_ep_num;
+ enum musb_fifo_style style;
+ enum musb_buf_mode mode;
+ u16 maxpacket;
+};
+
+#define MUSB_EP_FIFO(ep, st, m, pkt) \
+{ \
+ .hw_ep_num = ep, \
+ .style = st, \
+ .mode = m, \
+ .maxpacket = pkt, \
+}
+
+#define MUSB_EP_FIFO_SINGLE(ep, st, pkt) \
+ MUSB_EP_FIFO(ep, st, BUF_SINGLE, pkt)
+
+#define MUSB_EP_FIFO_DOUBLE(ep, st, pkt) \
+ MUSB_EP_FIFO(ep, st, BUF_DOUBLE, pkt)
+
struct musb_hdrc_eps_bits {
const char name[16];
u8 bits;
};
struct musb_hdrc_config {
+ struct musb_fifo_cfg *fifo_cfg; /* board fifo configuration */
+ unsigned fifo_cfg_size; /* size of the fifo configuration */
+
/* MUSB configuration-specific details */
unsigned multipoint:1; /* multipoint device */
unsigned dyn_fifo:1 __deprecated; /* supports dynamic fifo sizing */
OpenPOWER on IntegriCloud