1 #ifndef P54USB_H
2 #define P54USB_H
3
4 /*
5 * Defines for USB based mac80211 Prism54 driver
6 *
7 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
8 *
9 * Based on the islsm (softmac prism54) driver, which is:
10 * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 */
16
17 /* for isl3886 register definitions used on ver 1 devices */
18 #include "p54pci.h"
19 #include "net2280.h"
20
21 /* pci */
22 #define NET2280_BASE 0x10000000
23 #define NET2280_BASE2 0x20000000
24
25 /* gpio */
26 #define P54U_BRG_POWER_UP (1 << GPIO0_DATA)
27 #define P54U_BRG_POWER_DOWN (1 << GPIO1_DATA)
28
29 /* devinit */
30 #define NET2280_CLK_4Mhz (15 << LOCAL_CLOCK_FREQUENCY)
31 #define NET2280_CLK_30Mhz (2 << LOCAL_CLOCK_FREQUENCY)
32 #define NET2280_CLK_60Mhz (1 << LOCAL_CLOCK_FREQUENCY)
33 #define NET2280_CLK_STOP (0 << LOCAL_CLOCK_FREQUENCY)
34 #define NET2280_PCI_ENABLE (1 << PCI_ENABLE)
35 #define NET2280_PCI_SOFT_RESET (1 << PCI_SOFT_RESET)
36
37 /* endpoints */
38 #define NET2280_CLEAR_NAK_OUT_PACKETS_MODE (1 << CLEAR_NAK_OUT_PACKETS_MODE)
39 #define NET2280_FIFO_FLUSH (1 << FIFO_FLUSH)
40
41 /* irq */
42 #define NET2280_USB_INTERRUPT_ENABLE (1 << USB_INTERRUPT_ENABLE)
43 #define NET2280_PCI_INTA_INTERRUPT (1 << PCI_INTA_INTERRUPT)
44 #define NET2280_PCI_INTA_INTERRUPT_ENABLE (1 << PCI_INTA_INTERRUPT_ENABLE)
45
46 /* registers */
47 #define NET2280_DEVINIT 0x00
48 #define NET2280_USBIRQENB1 0x24
49 #define NET2280_IRQSTAT1 0x2c
50 #define NET2280_FIFOCTL 0x38
51 #define NET2280_GPIOCTL 0x50
52 #define NET2280_RELNUM 0x88
53 #define NET2280_EPA_RSP 0x324
54 #define NET2280_EPA_STAT 0x32c
55 #define NET2280_EPB_STAT 0x34c
56 #define NET2280_EPC_RSP 0x364
57 #define NET2280_EPC_STAT 0x36c
58 #define NET2280_EPD_STAT 0x38c
59
60 #define NET2280_EPA_CFG 0x320
61 #define NET2280_EPB_CFG 0x340
62 #define NET2280_EPC_CFG 0x360
63 #define NET2280_EPD_CFG 0x380
64 #define NET2280_EPE_CFG 0x3A0
65 #define NET2280_EPF_CFG 0x3C0
66 #define P54U_DEV_BASE 0x40000000
67
68 struct net2280_tx_hdr {
69 __le32 device_addr;
70 __le16 len;
71 __le16 follower; /* ? */
72 u8 padding[8];
73 } __attribute__((packed));
74
75 struct lm87_tx_hdr {
76 __le32 device_addr;
77 __le32 chksum;
78 } __attribute__((packed));
79
80 /* Some flags for the isl hardware registers controlling DMA inside the
81 * chip */
82 #define ISL38XX_DMA_STATUS_DONE 0x00000001
83 #define ISL38XX_DMA_STATUS_READY 0x00000002
84 #define NET2280_EPA_FIFO_PCI_ADDR 0x20000000
85 #define ISL38XX_DMA_MASTER_CONTROL_TRIGGER 0x00000004
86
87 enum net2280_op_type {
88 NET2280_BRG_U32 = 0x001F,
89 NET2280_BRG_CFG_U32 = 0x000F,
90 NET2280_BRG_CFG_U16 = 0x0003,
91 NET2280_DEV_U32 = 0x080F,
92 NET2280_DEV_CFG_U32 = 0x088F,
93 NET2280_DEV_CFG_U16 = 0x0883
94 };
95
96 #define P54U_FW_BLOCK 2048
97
98 #define X2_SIGNATURE "x2 "
99 #define X2_SIGNATURE_SIZE 4
100
101 struct x2_header {
102 u8 signature[X2_SIGNATURE_SIZE];
103 __le32 fw_load_addr;
104 __le32 fw_length;
105 __le32 crc;
106 } __attribute__((packed));
107
108 /* pipes 3 and 4 are not used by the driver */
109 #define P54U_PIPE_NUMBER 9
110
111 enum p54u_pipe_addr {
112 P54U_PIPE_DATA = 0x01,
113 P54U_PIPE_MGMT = 0x02,
114 P54U_PIPE_3 = 0x03,
115 P54U_PIPE_4 = 0x04,
116 P54U_PIPE_BRG = 0x0d,
117 P54U_PIPE_DEV = 0x0e,
118 P54U_PIPE_INT = 0x0f
119 };
120
121 struct p54u_rx_info {
122 struct urb *urb;
123 struct ieee80211_hw *dev;
124 };
125
126 enum p54u_hw_type {
127 P54U_INVALID_HW,
128 P54U_NET2280,
129 P54U_3887,
130
131 /* keep last */
132 __NUM_P54U_HWTYPES,
133 };
134
135 struct p54u_priv {
136 struct p54_common common;
137 struct usb_device *udev;
138 struct usb_interface *intf;
139 int (*upload_fw)(struct ieee80211_hw *dev);
140
141 enum p54u_hw_type hw_type;
142 spinlock_t lock;
143 struct sk_buff_head rx_queue;
144 struct usb_anchor submitted;
145 const struct firmware *fw;
146 };
147
148 #endif /* P54USB_H */
149
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