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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 Status Register */
#define READ_STATUS 0x000000
#define READ_STATUS_BUSY 0
#define READ_STATUS_IDLE 1
/* Read Index Register */
#define READ_INDEX 0x000004
/* Read Data Size Register */
#define READ_DATA_SIZE 0x000008
/* Write Status Register */
#define WRITE_STATUS 0x00000C
#define WRITE_STATUS_BUSY 0
#define WRITE_STATUS_IDLE 1
/* 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
#define GCR_A_INIT 0
#define GCR_A_REMAP 1
#define GCR_A_RUN 2
/* General Communication Register B */
#define GCR_B 0x00002C
#define GCR_B_ACTIVE 0
#define GCR_B_DOZE 1
/* Wakeup Register */
/* #define WAKEUP 0x008104 */
/* #define WAKEUP_REQ 0x00 */
#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 define
*/
struct hw_info_t {
struct ks_sdio_card *sdio_card;
struct completion ks7010_sdio_wait;
struct workqueue_struct *ks7010sdio_wq;
struct delayed_work rw_wq;
unsigned char *read_buf;
struct tasklet_struct rx_bh_task;
};
struct ks_sdio_packet {
struct ks_sdio_packet *next;
u16 nb;
u8 buffer[0] __aligned(4);
};
struct ks_sdio_card {
struct sdio_func *func;
struct ks_wlan_private *priv;
spinlock_t lock;
};
/* Tx Device struct */
#define TX_DEVICE_BUFF_SIZE 1024
struct tx_device_buffer {
unsigned char *sendp; /* pointer of send req data */
unsigned int size;
void (*complete_handler) (void *arg1, void *arg2);
void *arg1;
void *arg2;
};
struct tx_device {
struct tx_device_buffer tx_dev_buff[TX_DEVICE_BUFF_SIZE];
unsigned int qhead; /* tx buffer queue first pointer */
unsigned int qtail; /* tx buffer queue last pointer */
spinlock_t tx_dev_lock;
};
/* Rx Device struct */
#define RX_DATA_SIZE (2 + 2 + 2347 + 1)
#define RX_DEVICE_BUFF_SIZE 32
struct rx_device_buffer {
unsigned char data[RX_DATA_SIZE];
unsigned int size;
};
struct rx_device {
struct rx_device_buffer rx_dev_buff[RX_DEVICE_BUFF_SIZE];
unsigned int qhead; /* rx buffer queue first pointer */
unsigned int qtail; /* rx buffer queue last pointer */
spinlock_t rx_dev_lock;
};
#define ROM_FILE "ks7010sd.rom"
#endif /* _KS7010_SDIO_H */
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