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/*
* Driver for KeyStream, KS7010 based SDIO cards.
*
* Copyright (C) 2006-2008 KeyStream Corp.
* Copyright (C) 2009 Renesas Technology Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _KS7010_SDIO_H
#define _KS7010_SDIO_H
#ifdef DEVICE_ALIGNMENT
#undef DEVICE_ALIGNMENT
#endif
#define DEVICE_ALIGNMENT 32
/* SDIO KeyStream vendor and device */
#define SDIO_VENDOR_ID_KS_CODE_A 0x005b
#define SDIO_VENDOR_ID_KS_CODE_B 0x0023
/* Older sources suggest earlier versions were named 7910 or 79xx */
#define SDIO_DEVICE_ID_KS_7010 0x7910
/* Read/Write Status Register */
#define READ_STATUS 0x000000
#define WRITE_STATUS 0x00000C
enum reg_status_type {
REG_STATUS_BUSY,
REG_STATUS_IDLE
};
/* Read Index Register */
#define READ_INDEX 0x000004
/* Read Data Size Register */
#define READ_DATA_SIZE 0x000008
/* Write Index Register */
#define WRITE_INDEX 0x000010
/* Write Status/Read Data Size Register
* for network packet (less than 2048 bytes data)
*/
#define WSTATUS_RSIZE 0x000014
#define WSTATUS_MASK 0x80 /* Write Status Register value */
#define RSIZE_MASK 0x7F /* Read Data Size Register value [10:4] */
/* ARM to SD interrupt Enable */
#define INT_ENABLE 0x000020
/* ARM to SD interrupt Pending */
#define INT_PENDING 0x000024
#define INT_GCR_B BIT(7)
#define INT_GCR_A BIT(6)
#define INT_WRITE_STATUS BIT(5)
#define INT_WRITE_INDEX BIT(4)
#define INT_WRITE_SIZE BIT(3)
#define INT_READ_STATUS BIT(2)
#define INT_READ_INDEX BIT(1)
#define INT_READ_SIZE BIT(0)
/* General Communication Register A */
#define GCR_A 0x000028
enum gen_com_reg_a {
GCR_A_INIT,
GCR_A_REMAP,
GCR_A_RUN
};
/* General Communication Register B */
#define GCR_B 0x00002C
enum gen_com_reg_b {
GCR_B_ACTIVE,
GCR_B_DOZE
};
/* Wakeup Register */
#define WAKEUP 0x008018
#define WAKEUP_REQ 0x5a
/* AHB Data Window 0x010000-0x01FFFF */
#define DATA_WINDOW 0x010000
#define WINDOW_SIZE (64 * 1024)
#define KS7010_IRAM_ADDRESS 0x06000000
/**
* struct ks_sdio_card - SDIO device data.
*
* Structure is used as the &struct sdio_func private data.
*
* @func: Pointer to the SDIO function device.
* @priv: Pointer to the &struct net_device private data.
*/
struct ks_sdio_card {
struct sdio_func *func;
struct ks_wlan_private *priv;
};
/* Tx Device struct */
#define TX_DEVICE_BUFF_SIZE 1024
/**
* struct tx_device_buffer - Queue item for the tx queue.
* @sendp: Pointer to the send request data.
* @size: Size of @sendp data.
* @complete_handler: Function called once data write to device is complete.
* @arg1: First argument to @complete_handler.
* @arg2: Second argument to @complete_handler.
*/
struct tx_device_buffer {
unsigned char *sendp;
unsigned int size;
void (*complete_handler)(struct ks_wlan_private *priv,
struct sk_buff *skb);
struct sk_buff *skb;
};
/**
* struct tx_device - Tx buffer queue.
* @tx_device_buffer: Queue buffer.
* @qhead: Head of tx queue.
* @qtail: Tail of tx queue.
* @tx_dev_lock: Queue lock.
*/
struct tx_device {
struct tx_device_buffer tx_dev_buff[TX_DEVICE_BUFF_SIZE];
unsigned int qhead;
unsigned int qtail;
spinlock_t tx_dev_lock; /* protect access to the queue */
};
/* Rx Device struct */
#define RX_DATA_SIZE (2 + 2 + 2347 + 1)
#define RX_DEVICE_BUFF_SIZE 32
/**
* struct rx_device_buffer - Queue item for the rx queue.
* @data: rx data.
* @size: Size of @data.
*/
struct rx_device_buffer {
unsigned char data[RX_DATA_SIZE];
unsigned int size;
};
/**
* struct rx_device - Rx buffer queue.
* @rx_device_buffer: Queue buffer.
* @qhead: Head of rx queue.
* @qtail: Tail of rx queue.
* @rx_dev_lock: Queue lock.
*/
struct rx_device {
struct rx_device_buffer rx_dev_buff[RX_DEVICE_BUFF_SIZE];
unsigned int qhead;
unsigned int qtail;
spinlock_t rx_dev_lock; /* protect access to the queue */
};
#define ROM_FILE "ks7010sd.rom"
#endif /* _KS7010_SDIO_H */
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