/* $NetBSD: magmareg.h,v 1.20 2018/07/09 14:07:37 christos Exp $ */
/*-
* Copyright (c) 1998 Iain Hibbert
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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.
*/
#ifdef MAGMA_DEBUG
#define dprintf(x) printf x
#else
#define dprintf(x)
#endif
/* The mapping of minor device number -> card and port is done as
* follows by default:
*
* +---+---+---+---+---+---+---+---+
* | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
* +---+---+---+---+---+---+---+---+
* | | | | | | | |
* | | | | +---+---+---+---> port number
* | | | |
* | | | +-------------------> unused
* | | |
* | | +-----------------------> unused
* | |
* +---+---------------------------> card number
*
*/
#define MAGMA_MAX_CARDS 4
#define MAGMA_MAX_TTY 16
#define MAGMA_MAX_BPP 2
#define MAGMA_MAX_CD1400 4
#define MAGMA_MAX_CD1190 2
#define MAGMA_CARD(x) ((TTUNIT(x) >> 6) & 0x03)
#define MAGMA_PORT(x) (TTUNIT(x) & 0x0f)
#define MTTY_DIALOUT(x) TTDIALOUT(x)
/*
* Supported Card Types
*/
struct magma_board_info {
const char *mb_sbusname; /* sbus_attach_args.sa_name */
const char *mb_name; /* cardname to match against */
const char *mb_realname; /* english card name */
int mb_nser; /* number of serial ports */
int mb_npar; /* number of parallel ports */
int mb_ncd1400; /* number of CD1400 chips */
int mb_svcackr; /* svcackr offset */
int mb_svcackt; /* svcackt offset */
int mb_svcackm; /* svcackm offset */
int mb_cd1400[MAGMA_MAX_CD1400];/* cd1400 chip register offsets */
int mb_ncd1190; /* number of CD1190 chips */
int mb_cd1190[MAGMA_MAX_CD1190];/* cd1190 chip register offsets */
};
/*
* cd1400 chip data
*/
struct cd1400 {
volatile u_char *cd_reg; /* chip registers */
int cd_chiprev; /* chip revision */
int cd_clock; /* clock speed in MHz */
int cd_parmode; /* parallel mode operation */
};
/*
* cd1190 chip data
*/
struct cd1190 {
volatile u_char *cd_reg; /* chip registers */
int cd_chiprev; /* chip revision */
};
/* software state for each card */
struct magma_softc {
device_t ms_dev; /* required. must be first in softc */
struct evcnt ms_intrcnt; /* statistics */
/* cd1400 chip info */
int ms_ncd1400;
struct cd1400 ms_cd1400[MAGMA_MAX_CD1400];
volatile u_char *ms_svcackr; /* CD1400 service acknowledge receive */
volatile u_char *ms_svcackt; /* CD1400 service acknowledge transmit */
volatile u_char *ms_svcackm; /* CD1400 service acknowledge modem */
/* cd1190 chip info */
int ms_ncd1190;
struct cd1190 ms_cd1190[MAGMA_MAX_CD1190];
struct magma_board_info *ms_board; /* what am I? */
struct mtty_softc *ms_mtty;
struct mbpp_softc *ms_mbpp;
/* softintr(9) cookie */
void *ms_sicookie;
};
#define MTTY_RBUF_SIZE (2 * 512)
#define MTTY_RX_FIFO_THRESHOLD 6
#define MTTY_RX_DTR_THRESHOLD 9
struct mtty_port {
struct cd1400 *mp_cd1400; /* ptr to chip */
int mp_channel; /* and channel */
struct tty *mp_tty;
int mp_openflags; /* default tty flags */
int mp_flags; /* port flags */
int mp_carrier; /* state of carrier */
u_char *mp_rbuf; /* ring buffer start */
u_char *mp_rend; /* ring buffer end */
u_char *mp_rget; /* ring buffer read pointer */
u_char *mp_rput; /* ring buffer write pointer */
u_char *mp_txp; /* transmit character pointer */
int mp_txc; /* transmit character counter */
};
#define MTTYF_CARRIER_CHANGED (1<<0)
#define MTTYF_SET_BREAK (1<<1)
#define MTTYF_CLR_BREAK (1<<2)
#define MTTYF_DONE (1<<3)
#define MTTYF_STOP (1<<4)
#define MTTYF_RING_OVERFLOW (1<<5)
struct mtty_softc {
device_t ms_dev; /* device info */
int ms_nports; /* tty ports */
struct mtty_port ms_port[MAGMA_MAX_TTY];
};
#define MBPP_RX_FIFO_THRESHOLD 25
struct mbpp_port {
struct cd1400 *mp_cd1400; /* for LC2+1Sp card */
struct cd1190 *mp_cd1190; /* all the others */
struct callout mp_timeout_ch;
struct callout mp_start_ch;
int mp_flags;
struct mbpp_param mp_param;
#define mp_burst mp_param.bp_burst
#define mp_timeout mp_param.bp_timeout
#define mp_delay mp_param.bp_delay
u_char *mp_ptr; /* pointer to I/O data */
int mp_cnt; /* count of I/O chars */
};
#define MBPPF_OPEN (1<<0)
#define MBPPF_TIMEOUT (1<<1)
#define MBPPF_UIO (1<<2)
#define MBPPF_DELAY (1<<3)
#define MBPPF_WAKEUP (1<<4)
struct mbpp_softc {
int ms_nports; /* parallel ports */
struct mbpp_port ms_port[MAGMA_MAX_BPP];
};
/* internal function prototypes */
int cd1400_compute_baud(speed_t, int, int *, int *);
__inline void cd1400_write_ccr(struct cd1400 *, u_char);
__inline u_char cd1400_read_reg(struct cd1400 *, int);
__inline void cd1400_write_reg(struct cd1400 *, int, u_char);
void cd1400_enable_transmitter(struct cd1400 *, int);
int magma_match(device_t, cfdata_t, void *);
void magma_attach(device_t, device_t, void *);
int magma_hard(void *);
void magma_soft(void *);
int mtty_match(device_t, cfdata_t, void *);
void mtty_attach(device_t, device_t, void *);
int mtty_modem_control(struct mtty_port *, int, int);
int mtty_param(struct tty *, struct termios *);
void mtty_start(struct tty *);
int mbpp_match(device_t, cfdata_t, void *);
void mbpp_attach(device_t, device_t, void *);
void mbpp_timeout(void *);
void mbpp_start(void *);
int mbpp_send(struct mbpp_port *, void *, int);
int mbpp_recv(struct mbpp_port *, void *, int);
int mbpp_hztoms(int);
int mbpp_mstohz(int);