usb: irda: cleanup on ir-usb module

General cleanup on ir-usb module. Introduced
a common header that could be used also on
usb gadget framework.

Lot's of cleanups and now using macros from the header
file.

Signed-off-by: Felipe Balbi <me@felipebalbi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 151 insertions, 0 deletions

diff --git a/include/linux/usb/irda.h b/include/linux/usb/irda.h
new file mode 100644
index 000000000000..e345ceaf72d6
--- /dev/null
+++ b/include/linux/usb/irda.h
@@ -0,0 +1,151 @@
+/*
+ * USB IrDA Bridge Device Definition
+ */
+
+#ifndef __LINUX_USB_IRDA_H
+#define __LINUX_USB_IRDA_H
+
+/* This device should use Application-specific class */
+
+#define USB_SUBCLASS_IRDA                       0x02
+
+/*-------------------------------------------------------------------------*/
+
+/* Class-Specific requests (bRequest field) */
+
+#define USB_REQ_CS_IRDA_RECEIVING               1
+#define USB_REQ_CS_IRDA_CHECK_MEDIA_BUSY        3
+#define USB_REQ_CS_IRDA_RATE_SNIFF              4
+#define USB_REQ_CS_IRDA_UNICAST_LIST            5
+#define USB_REQ_CS_IRDA_GET_CLASS_DESC          6
+
+/*-------------------------------------------------------------------------*/
+
+/* Class-Specific descriptor */
+
+#define USB_DT_CS_IRDA                          0x21
+
+/*-------------------------------------------------------------------------*/
+
+/* Data sizes */
+
+#define USB_IRDA_DS_2048                        (1 << 5)
+#define USB_IRDA_DS_1024                        (1 << 4)
+#define USB_IRDA_DS_512                         (1 << 3)
+#define USB_IRDA_DS_256                         (1 << 2)
+#define USB_IRDA_DS_128                         (1 << 1)
+#define USB_IRDA_DS_64                          (1 << 0)
+
+/* Window sizes */
+
+#define USB_IRDA_WS_7                           (1 << 6)
+#define USB_IRDA_WS_6                           (1 << 5)
+#define USB_IRDA_WS_5                           (1 << 4)
+#define USB_IRDA_WS_4                           (1 << 3)
+#define USB_IRDA_WS_3                           (1 << 2)
+#define USB_IRDA_WS_2                           (1 << 1)
+#define USB_IRDA_WS_1                           (1 << 0)
+
+/* Min turnaround times in usecs */
+
+#define USB_IRDA_MTT_0                          (1 << 7)
+#define USB_IRDA_MTT_10                         (1 << 6)
+#define USB_IRDA_MTT_50                         (1 << 5)
+#define USB_IRDA_MTT_100                        (1 << 4)
+#define USB_IRDA_MTT_500                        (1 << 3)
+#define USB_IRDA_MTT_1000                       (1 << 2)
+#define USB_IRDA_MTT_5000                       (1 << 1)
+#define USB_IRDA_MTT_10000                      (1 << 0)
+
+/* Baud rates */
+
+#define USB_IRDA_BR_4000000                     (1 << 8)
+#define USB_IRDA_BR_1152000                     (1 << 7)
+#define USB_IRDA_BR_576000                      (1 << 6)
+#define USB_IRDA_BR_115200                      (1 << 5)
+#define USB_IRDA_BR_57600                       (1 << 4)
+#define USB_IRDA_BR_38400                       (1 << 3)
+#define USB_IRDA_BR_19200                       (1 << 2)
+#define USB_IRDA_BR_9600                        (1 << 1)
+#define USB_IRDA_BR_2400                        (1 << 0)
+
+/* Additional BOFs */
+
+#define USB_IRDA_AB_0                           (1 << 7)
+#define USB_IRDA_AB_1                           (1 << 6)
+#define USB_IRDA_AB_2                           (1 << 5)
+#define USB_IRDA_AB_3                           (1 << 4)
+#define USB_IRDA_AB_6                           (1 << 3)
+#define USB_IRDA_AB_12                          (1 << 2)
+#define USB_IRDA_AB_24                          (1 << 1)
+#define USB_IRDA_AB_48                          (1 << 0)
+
+/* IRDA Rate Sniff */
+
+#define USB_IRDA_RATE_SNIFF                     1
+
+/*-------------------------------------------------------------------------*/
+
+struct usb_irda_cs_descriptor {
+        __u8    bLength;
+        __u8    bDescriptorType;
+
+        __le16  bcdSpecRevision;
+        __u8    bmDataSize;
+        __u8    bmWindowSize;
+        __u8    bmMinTurnaroundTime;
+        __le16  wBaudRate;
+        __u8    bmAdditionalBOFs;
+        __u8    bIrdaRateSniff;
+        __u8    bMaxUnicastList;
+} __attribute__ ((packed));
+
+/*-------------------------------------------------------------------------*/
+
+/* Data Format */
+
+#define USB_IRDA_STATUS_MEDIA_BUSY      (1 << 7)
+
+/* The following is a 4-bit value used for both
+ * inbound and outbound headers:
+ *
+ * 0 - speed ignored
+ * 1 - 2400 bps
+ * 2 - 9600 bps
+ * 3 - 19200 bps
+ * 4 - 38400 bps
+ * 5 - 57600 bps
+ * 6 - 115200 bps
+ * 7 - 576000 bps
+ * 8 - 1.152 Mbps
+ * 9 - 5 mbps
+ * 10..15 - Reserved
+ */
+#define USB_IRDA_STATUS_LINK_SPEED      0x0f
+
+/* The following is a 4-bit value used only for
+ * outbound header:
+ *
+ * 0 - No change (BOF ignored)
+ * 1 - 48 BOFs
+ * 2 - 24 BOFs
+ * 3 - 12 BOFs
+ * 4 - 6 BOFs
+ * 5 - 3 BOFs
+ * 6 - 2 BOFs
+ * 7 - 1 BOFs
+ * 8 - 0 BOFs
+ * 9..15 - Reserved
+ */
+#define USB_IRDA_EXTRA_BOFS             0xf0
+
+struct usb_irda_inbound_header {
+        __u8            bmStatus;
+};
+
+struct usb_irda_outbound_header {
+        __u8            bmChange;
+};
+
+#endif /* __LINUX_USB_IRDA_H */
+