smc-ircc.h
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上传日期:2013-02-24
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- /*********************************************************************
- *
- * Filename: smc-ircc.h
- * Version: 0.3
- * Description: Definitions for the SMC IrCC chipset
- * Status: Experimental.
- * Author: Thomas Davis (tadavis@jps.net)
- *
- * Copyright (c) 1999-2000, Dag Brattli <dagb@cs.uit.no>
- * Copyright (c) 1998-1999, Thomas Davis (tadavis@jps.net>
- * All Rights Reserved
- *
- * 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 program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- *
- ********************************************************************/
- #ifndef SMC_IRCC_H
- #define SMC_IRCC_H
- #include <linux/spinlock.h>
- #include <linux/pm.h>
- #include <net/irda/irport.h>
- /* DMA modes needed */
- #define DMA_TX_MODE 0x08 /* Mem to I/O, ++, demand. */
- #define DMA_RX_MODE 0x04 /* I/O to mem, ++, demand. */
- /* Master Control Register */
- #define IRCC_MASTER 0x07
- #define IRCC_MASTER_POWERDOWN 0x80
- #define IRCC_MASTER_RESET 0x40
- #define IRCC_MASTER_INT_EN 0x20
- #define IRCC_MASTER_ERROR_RESET 0x10
- /* Register block 0 */
- /* Interrupt Identification */
- #define IRCC_IIR 0x01
- #define IRCC_IIR_ACTIVE_FRAME 0x80
- #define IRCC_IIR_EOM 0x40
- #define IRCC_IIR_RAW_MODE 0x20
- #define IRCC_IIR_FIFO 0x10
- /* Interrupt Enable */
- #define IRCC_IER 0x02
- #define IRCC_IER_ACTIVE_FRAME 0x80
- #define IRCC_IER_EOM 0x40
- #define IRCC_IER_RAW_MODE 0x20
- #define IRCC_IER_FIFO 0x10
- /* Line Status Register */
- #define IRCC_LSR 0x03
- #define IRCC_LSR_UNDERRUN 0x80
- #define IRCC_LSR_OVERRUN 0x40
- #define IRCC_LSR_FRAME_ERROR 0x20
- #define IRCC_LSR_SIZE_ERROR 0x10
- #define IRCC_LSR_CRC_ERROR 0x80
- #define IRCC_LSR_FRAME_ABORT 0x40
- /* Line Control Register A */
- #define IRCC_LCR_A 0x04
- #define IRCC_LCR_A_FIFO_RESET 0x80
- #define IRCC_LCR_A_FAST 0x40
- #define IRCC_LCR_A_GP_DATA 0x20
- #define IRCC_LCR_A_RAW_TX 0x10
- #define IRCC_LCR_A_RAW_RX 0x08
- #define IRCC_LCR_A_ABORT 0x04
- #define IRCC_LCR_A_DATA_DONE 0x02
- /* Line Control Register B */
- #define IRCC_LCR_B 0x05
- #define IRCC_LCR_B_SCE_DISABLED 0x00
- #define IRCC_LCR_B_SCE_TRANSMIT 0x40
- #define IRCC_LCR_B_SCE_RECEIVE 0x80
- #define IRCC_LCR_B_SCE_UNDEFINED 0xc0
- #define IRCC_LCR_B_SIP_ENABLE 0x20
- #define IRCC_LCR_B_BRICK_WALL 0x10
- /* Bus Status Register */
- #define IRCC_BSR 0x06
- #define IRCC_BSR_NOT_EMPTY 0x80
- #define IRCC_BSR_FIFO_FULL 0x40
- #define IRCC_BSR_TIMEOUT 0x20
- /* Register block 1 */
- #define IRCC_FIFO_THRESHOLD 0x02
- #define IRCC_SCE_CFGA 0x00
- #define IRCC_CFGA_AUX_IR 0x80
- #define IRCC_CFGA_HALF_DUPLEX 0x04
- #define IRCC_CFGA_TX_POLARITY 0x02
- #define IRCC_CFGA_RX_POLARITY 0x01
- #define IRCC_CFGA_COM 0x00
- #define IRCC_CFGA_IRDA_SIR_A 0x08
- #define IRCC_CFGA_ASK_SIR 0x10
- #define IRCC_CFGA_IRDA_SIR_B 0x18
- #define IRCC_CFGA_IRDA_HDLC 0x20
- #define IRCC_CFGA_IRDA_4PPM 0x28
- #define IRCC_CFGA_CONSUMER 0x30
- #define IRCC_CFGA_RAW_IR 0x38
- #define IRCC_CFGA_OTHER 0x40
- #define IRCC_IR_HDLC 0x04
- #define IRCC_IR_4PPM 0x01
- #define IRCC_IR_CONSUMER 0x02
- #define IRCC_SCE_CFGB 0x01
- #define IRCC_CFGB_LOOPBACK 0x20
- #define IRCC_CFGB_LPBCK_TX_CRC 0x10
- #define IRCC_CFGB_NOWAIT 0x08
- #define IRCC_CFGB_STRING_MOVE 0x04
- #define IRCC_CFGB_DMA_BURST 0x02
- #define IRCC_CFGB_DMA_ENABLE 0x01
- #define IRCC_CFGB_MUX_COM 0x00
- #define IRCC_CFGB_MUX_IR 0x40
- #define IRCC_CFGB_MUX_AUX 0x80
- #define IRCC_CFGB_MUX_INACTIVE 0xc0
- /* Register block 3 - Identification Registers! */
- #define IRCC_ID_HIGH 0x00 /* 0x10 */
- #define IRCC_ID_LOW 0x01 /* 0xB8 */
- #define IRCC_CHIP_ID 0x02 /* 0xF1 */
- #define IRCC_VERSION 0x03 /* 0x01 */
- #define IRCC_INTERFACE 0x04 /* low 4 = DMA, high 4 = IRQ */
- /* Register block 4 - IrDA */
- #define IRCC_CONTROL 0x00
- #define IRCC_BOF_COUNT_LO 0x01 /* Low byte */
- #define IRCC_BOF_COUNT_HI 0x00 /* High nibble (bit 0-3) */
- #define IRCC_BRICKWALL_CNT_LO 0x02 /* Low byte */
- #define IRCC_BRICKWALL_CNT_HI 0x03 /* High nibble (bit 4-7) */
- #define IRCC_TX_SIZE_LO 0x04 /* Low byte */
- #define IRCC_TX_SIZE_HI 0x03 /* High nibble (bit 0-3) */
- #define IRCC_RX_SIZE_HI 0x05 /* High nibble (bit 0-3) */
- #define IRCC_RX_SIZE_LO 0x06 /* Low byte */
- #define IRCC_1152 0x80
- #define IRCC_CRC 0x40
- /* Private data for each instance */
- struct ircc_cb {
- struct net_device *netdev; /* Yes! we are some kind of netdevice */
- struct irlap_cb *irlap; /* The link layer we are binded to */
-
- chipio_t *io; /* IrDA controller information */
- iobuff_t tx_buff; /* Transmit buffer */
- iobuff_t rx_buff; /* Receive buffer */
- struct irport_cb *irport;
- spinlock_t lock; /* For serializing operations */
-
- __u32 new_speed;
- __u32 flags; /* Interface flags */
- int tx_buff_offsets[10]; /* Offsets between frames in tx_buff */
- int tx_len; /* Number of frames in tx_buff */
- struct pm_dev *pmdev;
- };
- #endif /* SMC_IRCC_H */