diff options
Diffstat (limited to 'drivers/net/irda/au1000_ircc.h')
| -rw-r--r-- | drivers/net/irda/au1000_ircc.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/drivers/net/irda/au1000_ircc.h b/drivers/net/irda/au1000_ircc.h new file mode 100644 index 00000000000..7a31d4659ed --- /dev/null +++ b/drivers/net/irda/au1000_ircc.h @@ -0,0 +1,127 @@ +/* + * + * BRIEF MODULE DESCRIPTION + * Au1000 IrDA driver. + * + * Copyright 2001 MontaVista Software Inc. + * Author: MontaVista Software, Inc. + * ppopov@mvista.com or source@mvista.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef AU1000_IRCC_H +#define AU1000_IRCC_H + +#include <linux/time.h> + +#include <linux/spinlock.h> +#include <linux/pm.h> +#include <asm/io.h> + +#define NUM_IR_IFF 1 +#define NUM_IR_DESC 64 +#define RING_SIZE_4 0x0 +#define RING_SIZE_16 0x3 +#define RING_SIZE_64 0xF +#define MAX_NUM_IR_DESC 64 +#define MAX_BUF_SIZE 2048 + +#define BPS_115200 0 +#define BPS_57600 1 +#define BPS_38400 2 +#define BPS_19200 5 +#define BPS_9600 11 +#define BPS_2400 47 + +/* Ring descriptor flags */ +#define AU_OWN (1<<7) /* tx,rx */ + +#define IR_DIS_CRC (1<<6) /* tx */ +#define IR_BAD_CRC (1<<5) /* tx */ +#define IR_NEED_PULSE (1<<4) /* tx */ +#define IR_FORCE_UNDER (1<<3) /* tx */ +#define IR_DISABLE_TX (1<<2) /* tx */ +#define IR_HW_UNDER (1<<0) /* tx */ +#define IR_TX_ERROR (IR_DIS_CRC|IR_BAD_CRC|IR_HW_UNDER) + +#define IR_PHY_ERROR (1<<6) /* rx */ +#define IR_CRC_ERROR (1<<5) /* rx */ +#define IR_MAX_LEN (1<<4) /* rx */ +#define IR_FIFO_OVER (1<<3) /* rx */ +#define IR_SIR_ERROR (1<<2) /* rx */ +#define IR_RX_ERROR (IR_PHY_ERROR|IR_CRC_ERROR| \ + IR_MAX_LEN|IR_FIFO_OVER|IR_SIR_ERROR) + +typedef struct db_dest { + struct db_dest *pnext; + volatile u32 *vaddr; + dma_addr_t dma_addr; +} db_dest_t; + + +typedef struct ring_desc { + u8 count_0; /* 7:0 */ + u8 count_1; /* 12:8 */ + u8 reserved; + u8 flags; + u8 addr_0; /* 7:0 */ + u8 addr_1; /* 15:8 */ + u8 addr_2; /* 23:16 */ + u8 addr_3; /* 31:24 */ +} ring_dest_t; + + +/* Private data for each instance */ +struct au1k_private { + + db_dest_t *pDBfree; + db_dest_t db[2*NUM_IR_DESC]; + volatile ring_dest_t *rx_ring[NUM_IR_DESC]; + volatile ring_dest_t *tx_ring[NUM_IR_DESC]; + db_dest_t *rx_db_inuse[NUM_IR_DESC]; + db_dest_t *tx_db_inuse[NUM_IR_DESC]; + u32 rx_head; + u32 tx_head; + u32 tx_tail; + u32 tx_full; + + iobuff_t rx_buff; + + struct net_device *netdev; + struct net_device_stats stats; + + struct timeval stamp; + struct timeval now; + struct qos_info qos; + struct irlap_cb *irlap; + + u8 open; + u32 speed; + u32 newspeed; + + u32 intr_work_done; /* number of Rx and Tx pkts processed in the isr */ + struct timer_list timer; + + spinlock_t lock; /* For serializing operations */ + struct pm_dev *dev; +}; +#endif /* AU1000_IRCC_H */ |