1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 #ifndef P54USB_H 3 #define P54USB_H 4 5 /* 6 * Defines for USB based mac80211 Prism54 driver 7 * 8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> 9 * 10 * Based on the islsm (softmac prism54) driver, which is: 11 * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. 12 */ 13 14 /* for isl3886 register definitions used on ver 1 devices */ 15 #include "p54pci.h" 16 #include <linux/usb/net2280.h> 17 18 /* pci */ 19 #define NET2280_BASE 0x10000000 20 #define NET2280_BASE2 0x20000000 21 22 /* gpio */ 23 #define P54U_BRG_POWER_UP (1 << GPIO0_DATA) 24 #define P54U_BRG_POWER_DOWN (1 << GPIO1_DATA) 25 26 /* devinit */ 27 #define NET2280_CLK_4Mhz (15 << LOCAL_CLOCK_FREQUENCY) 28 #define NET2280_CLK_30Mhz (2 << LOCAL_CLOCK_FREQUENCY) 29 #define NET2280_CLK_60Mhz (1 << LOCAL_CLOCK_FREQUENCY) 30 #define NET2280_CLK_STOP (0 << LOCAL_CLOCK_FREQUENCY) 31 #define NET2280_PCI_ENABLE (1 << PCI_ENABLE) 32 #define NET2280_PCI_SOFT_RESET (1 << PCI_SOFT_RESET) 33 34 /* endpoints */ 35 #define NET2280_CLEAR_NAK_OUT_PACKETS_MODE (1 << CLEAR_NAK_OUT_PACKETS_MODE) 36 #define NET2280_FIFO_FLUSH (1 << FIFO_FLUSH) 37 38 /* irq */ 39 #define NET2280_USB_INTERRUPT_ENABLE (1 << USB_INTERRUPT_ENABLE) 40 #define NET2280_PCI_INTA_INTERRUPT (1 << PCI_INTA_INTERRUPT) 41 #define NET2280_PCI_INTA_INTERRUPT_ENABLE (1 << PCI_INTA_INTERRUPT_ENABLE) 42 43 /* registers */ 44 #define NET2280_DEVINIT 0x00 45 #define NET2280_USBIRQENB1 0x24 46 #define NET2280_IRQSTAT1 0x2c 47 #define NET2280_FIFOCTL 0x38 48 #define NET2280_GPIOCTL 0x50 49 #define NET2280_RELNUM 0x88 50 #define NET2280_EPA_RSP 0x324 51 #define NET2280_EPA_STAT 0x32c 52 #define NET2280_EPB_STAT 0x34c 53 #define NET2280_EPC_RSP 0x364 54 #define NET2280_EPC_STAT 0x36c 55 #define NET2280_EPD_STAT 0x38c 56 57 #define NET2280_EPA_CFG 0x320 58 #define NET2280_EPB_CFG 0x340 59 #define NET2280_EPC_CFG 0x360 60 #define NET2280_EPD_CFG 0x380 61 #define NET2280_EPE_CFG 0x3A0 62 #define NET2280_EPF_CFG 0x3C0 63 #define P54U_DEV_BASE 0x40000000 64 65 struct net2280_tx_hdr { 66 __le32 device_addr; 67 __le16 len; 68 __le16 follower; /* ? */ 69 u8 padding[8]; 70 } __packed; 71 72 struct lm87_tx_hdr { 73 __le32 device_addr; 74 __le32 chksum; 75 } __packed; 76 77 /* Some flags for the isl hardware registers controlling DMA inside the 78 * chip */ 79 #define ISL38XX_DMA_STATUS_DONE 0x00000001 80 #define ISL38XX_DMA_STATUS_READY 0x00000002 81 #define NET2280_EPA_FIFO_PCI_ADDR 0x20000000 82 #define ISL38XX_DMA_MASTER_CONTROL_TRIGGER 0x00000004 83 84 enum net2280_op_type { 85 NET2280_BRG_U32 = 0x001F, 86 NET2280_BRG_CFG_U32 = 0x000F, 87 NET2280_BRG_CFG_U16 = 0x0003, 88 NET2280_DEV_U32 = 0x080F, 89 NET2280_DEV_CFG_U32 = 0x088F, 90 NET2280_DEV_CFG_U16 = 0x0883 91 }; 92 93 struct net2280_reg_write { 94 __le16 port; 95 __le32 addr; 96 __le32 val; 97 } __packed; 98 99 struct net2280_reg_read { 100 __le16 port; 101 __le32 addr; 102 } __packed; 103 104 #define P54U_FW_BLOCK 2048 105 106 #define X2_SIGNATURE "x2 " 107 #define X2_SIGNATURE_SIZE 4 108 109 struct x2_header { 110 u8 signature[X2_SIGNATURE_SIZE]; 111 __le32 fw_load_addr; 112 __le32 fw_length; 113 __le32 crc; 114 } __packed; 115 116 /* pipes 3 and 4 are not used by the driver */ 117 #define P54U_PIPE_NUMBER 9 118 119 enum p54u_pipe_addr { 120 P54U_PIPE_DATA = 0x01, 121 P54U_PIPE_MGMT = 0x02, 122 P54U_PIPE_3 = 0x03, 123 P54U_PIPE_4 = 0x04, 124 P54U_PIPE_BRG = 0x0d, 125 P54U_PIPE_DEV = 0x0e, 126 P54U_PIPE_INT = 0x0f 127 }; 128 129 struct p54u_rx_info { 130 struct urb *urb; 131 struct ieee80211_hw *dev; 132 }; 133 134 enum p54u_hw_type { 135 P54U_INVALID_HW, 136 P54U_NET2280, 137 P54U_3887, 138 139 /* keep last */ 140 __NUM_P54U_HWTYPES, 141 }; 142 143 struct p54u_priv { 144 struct p54_common common; 145 struct usb_device *udev; 146 struct usb_interface *intf; 147 int (*upload_fw)(struct ieee80211_hw *dev); 148 149 enum p54u_hw_type hw_type; 150 spinlock_t lock; 151 struct sk_buff_head rx_queue; 152 struct usb_anchor submitted; 153 const struct firmware *fw; 154 155 /* asynchronous firmware callback */ 156 struct completion fw_wait_load; 157 }; 158 159 #endif /* P54USB_H */ 160