160 lines
3.7 KiB
C
160 lines
3.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef P54USB_H
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#define P54USB_H
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/*
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* Defines for USB based mac80211 Prism54 driver
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*
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* Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
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*
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* Based on the islsm (softmac prism54) driver, which is:
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* Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
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*/
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/* for isl3886 register definitions used on ver 1 devices */
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#include "p54pci.h"
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#include <linux/usb/net2280.h>
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/* pci */
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#define NET2280_BASE 0x10000000
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#define NET2280_BASE2 0x20000000
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/* gpio */
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#define P54U_BRG_POWER_UP (1 << GPIO0_DATA)
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#define P54U_BRG_POWER_DOWN (1 << GPIO1_DATA)
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/* devinit */
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#define NET2280_CLK_4Mhz (15 << LOCAL_CLOCK_FREQUENCY)
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#define NET2280_CLK_30Mhz (2 << LOCAL_CLOCK_FREQUENCY)
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#define NET2280_CLK_60Mhz (1 << LOCAL_CLOCK_FREQUENCY)
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#define NET2280_CLK_STOP (0 << LOCAL_CLOCK_FREQUENCY)
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#define NET2280_PCI_ENABLE (1 << PCI_ENABLE)
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#define NET2280_PCI_SOFT_RESET (1 << PCI_SOFT_RESET)
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/* endpoints */
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#define NET2280_CLEAR_NAK_OUT_PACKETS_MODE (1 << CLEAR_NAK_OUT_PACKETS_MODE)
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#define NET2280_FIFO_FLUSH (1 << FIFO_FLUSH)
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/* irq */
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#define NET2280_USB_INTERRUPT_ENABLE (1 << USB_INTERRUPT_ENABLE)
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#define NET2280_PCI_INTA_INTERRUPT (1 << PCI_INTA_INTERRUPT)
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#define NET2280_PCI_INTA_INTERRUPT_ENABLE (1 << PCI_INTA_INTERRUPT_ENABLE)
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/* registers */
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#define NET2280_DEVINIT 0x00
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#define NET2280_USBIRQENB1 0x24
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#define NET2280_IRQSTAT1 0x2c
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#define NET2280_FIFOCTL 0x38
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#define NET2280_GPIOCTL 0x50
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#define NET2280_RELNUM 0x88
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#define NET2280_EPA_RSP 0x324
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#define NET2280_EPA_STAT 0x32c
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#define NET2280_EPB_STAT 0x34c
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#define NET2280_EPC_RSP 0x364
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#define NET2280_EPC_STAT 0x36c
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#define NET2280_EPD_STAT 0x38c
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#define NET2280_EPA_CFG 0x320
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#define NET2280_EPB_CFG 0x340
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#define NET2280_EPC_CFG 0x360
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#define NET2280_EPD_CFG 0x380
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#define NET2280_EPE_CFG 0x3A0
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#define NET2280_EPF_CFG 0x3C0
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#define P54U_DEV_BASE 0x40000000
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struct net2280_tx_hdr {
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__le32 device_addr;
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__le16 len;
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__le16 follower; /* ? */
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u8 padding[8];
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} __packed;
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struct lm87_tx_hdr {
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__le32 device_addr;
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__le32 chksum;
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} __packed;
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/* Some flags for the isl hardware registers controlling DMA inside the
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* chip */
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#define ISL38XX_DMA_STATUS_DONE 0x00000001
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#define ISL38XX_DMA_STATUS_READY 0x00000002
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#define NET2280_EPA_FIFO_PCI_ADDR 0x20000000
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#define ISL38XX_DMA_MASTER_CONTROL_TRIGGER 0x00000004
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enum net2280_op_type {
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NET2280_BRG_U32 = 0x001F,
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NET2280_BRG_CFG_U32 = 0x000F,
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NET2280_BRG_CFG_U16 = 0x0003,
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NET2280_DEV_U32 = 0x080F,
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NET2280_DEV_CFG_U32 = 0x088F,
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NET2280_DEV_CFG_U16 = 0x0883
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};
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struct net2280_reg_write {
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__le16 port;
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__le32 addr;
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__le32 val;
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} __packed;
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struct net2280_reg_read {
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__le16 port;
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__le32 addr;
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} __packed;
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#define P54U_FW_BLOCK 2048
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#define X2_SIGNATURE "x2 "
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#define X2_SIGNATURE_SIZE 4
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struct x2_header {
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u8 signature[X2_SIGNATURE_SIZE];
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__le32 fw_load_addr;
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__le32 fw_length;
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__le32 crc;
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} __packed;
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/* pipes 3 and 4 are not used by the driver */
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#define P54U_PIPE_NUMBER 9
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enum p54u_pipe_addr {
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P54U_PIPE_DATA = 0x01,
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P54U_PIPE_MGMT = 0x02,
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P54U_PIPE_3 = 0x03,
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P54U_PIPE_4 = 0x04,
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P54U_PIPE_BRG = 0x0d,
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P54U_PIPE_DEV = 0x0e,
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P54U_PIPE_INT = 0x0f
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};
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struct p54u_rx_info {
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struct urb *urb;
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struct ieee80211_hw *dev;
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};
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enum p54u_hw_type {
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P54U_INVALID_HW,
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P54U_NET2280,
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P54U_3887,
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/* keep last */
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__NUM_P54U_HWTYPES,
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};
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struct p54u_priv {
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struct p54_common common;
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struct usb_device *udev;
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struct usb_interface *intf;
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int (*upload_fw)(struct ieee80211_hw *dev);
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enum p54u_hw_type hw_type;
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spinlock_t lock;
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struct sk_buff_head rx_queue;
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struct usb_anchor submitted;
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const struct firmware *fw;
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/* asynchronous firmware callback */
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struct completion fw_wait_load;
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};
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#endif /* P54USB_H */
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