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/*********************************************************************
*
* Description: Definitions for the SMC IrCC chipset
* Status: Experimental.
* Author: Daniele Peri (peri@csai.unipa.it)
*
* Copyright (c) 2002 Daniele Peri
* All Rights Reserved.
*
* Based on smc-ircc.h:
*
* 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, see <http://www.gnu.org/licenses/>.
*
********************************************************************/
#ifndef SMSC_IRCC2_H
#define SMSC_IRCC2_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 Status Address Register */
#define IRCC_LSAR 0x03
#define IRCC_LSAR_ADDRESS_MASK 0x07
/* 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_SCE_CFGA_BLOCK_CTRL_BITS_MASK 0x87
#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 */
#define IRCC_INTERFACE_DMA_MASK 0x0F /* low 4 = DMA, high 4 = IRQ */
#define IRCC_INTERFACE_IRQ_MASK 0xF0 /* 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
/* Register block 5 - IrDA */
#define IRCC_ATC 0x00
#define IRCC_ATC_nPROGREADY 0x80
#define IRCC_ATC_SPEED 0x40
#define IRCC_ATC_ENABLE 0x20
#define IRCC_ATC_MASK 0xE0
#define IRCC_IRHALFDUPLEX_TIMEOUT 0x01
#define IRCC_SCE_TX_DELAY_TIMER 0x02
/*
* Other definitions
*/
#define SMSC_IRCC2_MAX_SIR_SPEED 115200
#define SMSC_IRCC2_FIR_CHIP_IO_EXTENT 8
#define SMSC_IRCC2_SIR_CHIP_IO_EXTENT 8
#define SMSC_IRCC2_FIFO_SIZE 16
#define SMSC_IRCC2_FIFO_THRESHOLD 64
/* Max DMA buffer size needed = (data_size + 6) * (window_size) + 6; */
#define SMSC_IRCC2_RX_BUFF_TRUESIZE 14384
#define SMSC_IRCC2_TX_BUFF_TRUESIZE 14384
#define SMSC_IRCC2_MIN_TURN_TIME 0x07
#define SMSC_IRCC2_WINDOW_SIZE 0x07
/* Maximum wait for hw transmitter to finish */
#define SMSC_IRCC2_HW_TRANSMITTER_TIMEOUT_US 1000 /* 1 ms */
/* Maximum wait for ATC transceiver programming to finish */
#define SMSC_IRCC2_ATC_PROGRAMMING_TIMEOUT_JIFFIES 1
#endif /* SMSC_IRCC2_H */
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