X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fkernel%2Fao_usb.h;fp=src%2Fkernel%2Fao_usb.h;h=1ce4f82f2a1066d24f6276c0149501a47e569a3a;hp=0000000000000000000000000000000000000000;hb=24167015705ae831692b95735968b04a876f935e;hpb=bb9fdef607728cc326a82aa632e59724f272e53b

diff --git a/src/kernel/ao_usb.h b/src/kernel/ao_usb.h
new file mode 100644
index 00000000..1ce4f82f
--- /dev/null
+++ b/src/kernel/ao_usb.h
@@ -0,0 +1,142 @@
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef _AO_USB_H_
+#define _AO_USB_H_
+
+/*
+ * ao_usb.c
+ */
+
+/* Put one character to the USB output queue */
+void
+ao_usb_putchar(char c);
+
+/* Get one character from the USB input queue */
+char
+ao_usb_getchar(void);
+
+/* Poll for a charcter on the USB input queue.
+ * returns AO_READ_AGAIN if none are available
+ */
+int
+ao_usb_pollchar(void);
+
+/* Flush the USB output queue */
+void
+ao_usb_flush(void);
+
+/* Enable the USB controller */
+void
+ao_usb_enable(void);
+
+/* Disable the USB controller */
+void
+ao_usb_disable(void);
+
+/* Initialize the USB system */
+void
+ao_usb_init(void);
+
+extern __code __at (0x00aa) uint8_t ao_usb_descriptors [];
+
+#define AO_USB_SETUP_DIR_MASK	(0x01 << 7)
+#define AO_USB_SETUP_TYPE_MASK	(0x03 << 5)
+#define AO_USB_SETUP_RECIP_MASK	(0x1f)
+
+#define AO_USB_DIR_OUT			0
+#define AO_USB_DIR_IN			(1 << 7)
+
+#define AO_USB_TYPE_STANDARD		0
+#define AO_USB_TYPE_CLASS		(1 << 5)
+#define AO_USB_TYPE_VENDOR		(2 << 5)
+#define AO_USB_TYPE_RESERVED		(3 << 5)
+
+#define AO_USB_RECIP_DEVICE		0
+#define AO_USB_RECIP_INTERFACE		1
+#define AO_USB_RECIP_ENDPOINT		2
+#define AO_USB_RECIP_OTHER		3
+
+/* standard requests */
+#define	AO_USB_REQ_GET_STATUS		0x00
+#define AO_USB_REQ_CLEAR_FEATURE	0x01
+#define AO_USB_REQ_SET_FEATURE		0x03
+#define AO_USB_REQ_SET_ADDRESS		0x05
+#define AO_USB_REQ_GET_DESCRIPTOR	0x06
+#define AO_USB_REQ_SET_DESCRIPTOR	0x07
+#define AO_USB_REQ_GET_CONFIGURATION	0x08
+#define AO_USB_REQ_SET_CONFIGURATION	0x09
+#define AO_USB_REQ_GET_INTERFACE	0x0A
+#define AO_USB_REQ_SET_INTERFACE	0x0B
+#define AO_USB_REQ_SYNCH_FRAME		0x0C
+
+#define AO_USB_DESC_DEVICE		1
+#define AO_USB_DESC_CONFIGURATION	2
+#define AO_USB_DESC_STRING		3
+#define AO_USB_DESC_INTERFACE		4
+#define AO_USB_DESC_ENDPOINT		5
+#define AO_USB_DESC_DEVICE_QUALIFIER	6
+#define AO_USB_DESC_OTHER_SPEED		7
+#define AO_USB_DESC_INTERFACE_POWER	8
+
+#define AO_USB_GET_DESC_TYPE(x)		(((x)>>8)&0xFF)
+#define AO_USB_GET_DESC_INDEX(x)	((x)&0xFF)
+
+#define AO_USB_CONTROL_EP	0
+#define AO_USB_CONTROL_SIZE	32
+
+#define AO_USB_INT_EP		1
+#define AO_USB_INT_SIZE		8
+
+#ifndef AO_USB_OUT_EP
+#define AO_USB_OUT_EP		4
+#define AO_USB_IN_EP		5
+#endif
+
+/*
+ * USB bulk packets can only come in 8, 16, 32 and 64
+ * byte sizes, so we'll use 64 for everything
+ */
+#define AO_USB_IN_SIZE		64
+#define AO_USB_OUT_SIZE		64
+
+#define AO_USB_EP0_IDLE		0
+#define AO_USB_EP0_DATA_IN	1
+#define AO_USB_EP0_DATA_OUT	2
+#define AO_USB_EP0_STALL	3
+
+#define LE_WORD(x)    ((x)&0xFF),((uint8_t) (((uint16_t) (x))>>8))
+
+/* CDC definitions */
+#define AO_USB_CS_INTERFACE      	0x24
+#define AO_USB_CS_ENDPOINT       	0x25
+
+#define AO_USB_SET_LINE_CODING		0x20
+#define AO_USB_GET_LINE_CODING		0x21
+#define AO_USB_SET_CONTROL_LINE_STATE	0x22
+
+/* Data structure for GET_LINE_CODING / SET_LINE_CODING class requests */
+struct ao_usb_line_coding {
+	uint32_t	rate;
+	uint8_t		char_format;
+	uint8_t		parity;
+	uint8_t		data_bits;
+} ;
+
+extern __pdata uint8_t ao_usb_running;
+
+#endif /* _AO_USB_H_ */