2 * Copyright (C) 2006 Bryan O'Donoghue, CodeHermit
3 * bodonoghue@codehermit.ie
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the
18 * Free Software Foundation, Inc.,
19 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 #define USMOD_HOST 0x02
28 #define USMOD_TEST 0x04
29 #define USMOD_SFTE 0x08
30 #define USMOD_RESUME 0x40
31 #define USMOD_LSS 0x80
33 /* Endpoint Registers */
34 #define USEP_RHS_NORM 0x00
35 #define USEP_RHS_IGNORE 0x01
36 #define USEP_RHS_NAK 0x02
37 #define USEP_RHS_STALL 0x03
39 #define USEP_THS_NORM 0x00
40 #define USEP_THS_IGNORE 0x04
41 #define USEP_THS_NAK 0x08
42 #define USEP_THS_STALL 0x0C
47 #define USEP_TM_CONTROL 0x00
48 #define USEP_TM_INT 0x100
49 #define USEP_TM_BULK 0x200
50 #define USEP_TM_ISO 0x300
52 /* Command Register */
53 #define USCOM_EP0 0x00
54 #define USCOM_EP1 0x01
55 #define USCOM_EP2 0x02
56 #define USCOM_EP3 0x03
58 #define USCOM_FLUSH 0x40
59 #define USCOM_STR 0x80
62 #define USB_E_RXB 0x0001
63 #define USB_E_TXB 0x0002
64 #define USB_E_BSY 0x0004
65 #define USB_E_SOF 0x0008
66 #define USB_E_TXE1 0x0010
67 #define USB_E_TXE2 0x0020
68 #define USB_E_TXE3 0x0040
69 #define USB_E_TXE4 0x0080
70 #define USB_TX_ERRMASK (USB_E_TXE1|USB_E_TXE2|USB_E_TXE3|USB_E_TXE4)
71 #define USB_E_IDLE 0x0100
72 #define USB_E_RESET 0x0200
75 #define USBS_IDLE 0x01
77 /* RX Buffer Descriptor */
82 #define RX_BD_PID_DATA0 0x00
83 #define RX_BD_PID_DATA1 0x40
84 #define RX_BD_PID_SETUP 0x80
87 #define RX_BD_I 0x1000
88 #define RX_BD_W 0x2000
89 #define RX_BD_E 0x8000
92 #define RX_BD_PID_BITMASK (RX_BD_PID_DATA1 | RX_BD_PID_SETUP)
93 #define STALL_BITMASK (USEP_THS_STALL | USEP_RHS_STALL)
94 #define NAK_BITMASK (USEP_THS_NAK | USEP_RHS_NAK)
95 #define CBD_TX_BITMASK (TX_BD_R | TX_BD_L | TX_BD_TC | TX_BD_I | TX_BD_CNF)
97 /* TX Buffer Descriptor */
100 #define TX_BD_NO_PID 0x00
101 #define TX_BD_PID_DATA0 0x80
102 #define TX_BD_PID_DATA1 0xC0
103 #define TX_BD_CNF 0x200
104 #define TX_BD_TC 0x400
105 #define TX_BD_L 0x800
106 #define TX_BD_I 0x1000
107 #define TX_BD_W 0x2000
108 #define TX_BD_R 0x8000
110 /* Implementation specific defines */
112 #define EP_MIN_PACKET_SIZE 0x08
113 #define MAX_ENDPOINTS 0x04
114 #define FIFO_SIZE 0x10
115 #define EP_MAX_PKT FIFO_SIZE
116 #define TX_RING_SIZE 0x04
117 #define RX_RING_SIZE 0x06
118 #define USB_MAX_PKT 0x40
119 #define TOGGLE_TX_PID(x) x= ((~x)&0x40)|0x80
120 #define TOGGLE_RX_PID(x) x^= 0x40
121 #define EP_ATTACHED 0x01 /* Endpoint has a urb attached or not */
122 #define EP_SEND_ZLP 0x02 /* Send ZLP y/n ? */
124 #define PROFF_USB 0x00000000
125 #define CPM_USB_BASE 0x00000A00
127 /* UDC device defines */
128 #define EP0_MAX_PACKET_SIZE EP_MAX_PKT
129 #define UDC_OUT_ENDPOINT 0x02
130 #define UDC_OUT_PACKET_SIZE EP_MIN_PACKET_SIZE
131 #define UDC_IN_ENDPOINT 0x03
132 #define UDC_IN_PACKET_SIZE EP_MIN_PACKET_SIZE
133 #define UDC_INT_ENDPOINT 0x01
134 #define UDC_INT_PACKET_SIZE UDC_IN_PACKET_SIZE
135 #define UDC_BULK_PACKET_SIZE EP_MIN_PACKET_SIZE
141 volatile cbd_t * prx;
144 typedef struct mpc8xx_usb{
145 char usmod; /* Mode Register */
146 char usaddr; /* Slave Address Register */
147 char uscom; /* Command Register */
148 char res1; /* Reserved */
150 ulong res2; /* Reserved */
151 ushort usber; /* Event Register */
152 ushort res3; /* Reserved */
153 ushort usbmr; /* Mask Register */
154 char res4; /* Reserved */
155 char usbs; /* Status Register */
156 char res5[8]; /* Reserved */
159 typedef struct mpc8xx_parameter_ram{
160 ushort ep0ptr; /* Endpoint Pointer Register 0 */
161 ushort ep1ptr; /* Endpoint Pointer Register 1 */
162 ushort ep2ptr; /* Endpoint Pointer Register 2 */
163 ushort ep3ptr; /* Endpoint Pointer Register 3 */
164 uint rstate; /* Receive state */
165 uint rptr; /* Receive internal data pointer */
166 ushort frame_n; /* Frame number */
167 ushort rbcnt; /* Receive byte count */
168 uint rtemp; /* Receive temp cp use only */
169 uint rxusb; /* Rx Data Temp */
170 ushort rxuptr; /* Rx microcode return address temp */
173 typedef struct endpoint_parameter_block_pointer{
174 ushort rbase; /* RxBD base address */
175 ushort tbase; /* TxBD base address */
176 char rfcr; /* Rx Function code */
177 char tfcr; /* Tx Function code */
178 ushort mrblr; /* Maximum Receive Buffer Length */
179 ushort rbptr; /* RxBD pointer Next Buffer Descriptor */
180 ushort tbptr; /* TxBD pointer Next Buffer Descriptor */
181 ulong tstate; /* Transmit internal state */
182 ulong tptr; /* Transmit internal data pointer */
183 ushort tcrc; /* Transmit temp CRC */
184 ushort tbcnt; /* Transmit internal bye count */
185 ulong ttemp; /* Tx temp */
186 ushort txuptr; /* Tx microcode return address */
187 ushort res1; /* Reserved */
190 typedef enum mpc8xx_udc_state{
199 int udc_endpoint_write(struct usb_endpoint_instance *endpoint);
200 void udc_setup_ep(struct usb_device_instance *device, unsigned int ep,
201 struct usb_endpoint_instance *endpoint);
202 void udc_connect(void);
203 void udc_disconnect(void);
204 void udc_enable(struct usb_device_instance *device);
205 void udc_disable(void);
206 void udc_startup_events(struct usb_device_instance *device);
209 void udc_set_nak(int epid);
210 void udc_unset_nak (int epid);