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 <linux/usb/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 } __packed; 74 75 struct lm87_tx_hdr { 76 __le32 device_addr; 77 __le32 chksum; 78 } __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 struct net2280_reg_write { 97 __le16 port; 98 __le32 addr; 99 __le32 val; 100 } __packed; 101 102 struct net2280_reg_read { 103 __le16 port; 104 __le32 addr; 105 } __packed; 106 107 #define P54U_FW_BLOCK 2048 108 109 #define X2_SIGNATURE "x2 " 110 #define X2_SIGNATURE_SIZE 4 111 112 struct x2_header { 113 u8 signature[X2_SIGNATURE_SIZE]; 114 __le32 fw_load_addr; 115 __le32 fw_length; 116 __le32 crc; 117 } __packed; 118 119 /* pipes 3 and 4 are not used by the driver */ 120 #define P54U_PIPE_NUMBER 9 121 122 enum p54u_pipe_addr { 123 P54U_PIPE_DATA = 0x01, 124 P54U_PIPE_MGMT = 0x02, 125 P54U_PIPE_3 = 0x03, 126 P54U_PIPE_4 = 0x04, 127 P54U_PIPE_BRG = 0x0d, 128 P54U_PIPE_DEV = 0x0e, 129 P54U_PIPE_INT = 0x0f 130 }; 131 132 struct p54u_rx_info { 133 struct urb *urb; 134 struct ieee80211_hw *dev; 135 }; 136 137 enum p54u_hw_type { 138 P54U_INVALID_HW, 139 P54U_NET2280, 140 P54U_3887, 141 142 /* keep last */ 143 __NUM_P54U_HWTYPES, 144 }; 145 146 struct p54u_priv { 147 struct p54_common common; 148 struct usb_device *udev; 149 struct usb_interface *intf; 150 int (*upload_fw)(struct ieee80211_hw *dev); 151 152 enum p54u_hw_type hw_type; 153 spinlock_t lock; 154 struct sk_buff_head rx_queue; 155 struct usb_anchor submitted; 156 const struct firmware *fw; 157 158 /* asynchronous firmware callback */ 159 struct completion fw_wait_load; 160 }; 161 162 #endif /* P54USB_H */ 163