NetBSD/sys/dev/pci/pciide_cmd_reg.h

90 lines
3.2 KiB
C
Raw Normal View History

/* $NetBSD: pciide_cmd_reg.h,v 1.5 1999/08/29 17:20:10 bouyer Exp $ */
1998-10-12 20:09:10 +04:00
/*
* Copyright (c) 1998 Manuel Bouyer.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
*/
/*
* Registers definitions for CMD Technologies's PCI 064x IDE controllers.
* Available from http://www.cmd.com/
*/
/* Configuration (RO) */
#define CMD_CONF 0x50
#define CMD_CONF_REV_MASK 0x03
#define CMD_CONF_DRV0_INTR 0x04
#define CMD_CONF_DEVID 0x18
#define CMD_CONF_VESAPRT 0x20
#define CMD_CONF_DSA1 0x40
#define CMD_CONF_DSA0 0x80
1998-10-12 20:09:10 +04:00
/* Control register (RW) */
#define CMD_CTRL 0x51
#define CMD_CTRL_HR_FIFO 0x01
#define CMD_CTRL_HW_FIFO 0x02
#define CMD_CTRL_DEVSEL 0x04
#define CMD_CTRL_2PORT 0x08
#define CMD_CTRL_PAR 0x10
#define CMD_CTRL_HW_HLD 0x20
#define CMD_CTRL_DRV0_RAHEAD 0x40
#define CMD_CTRL_DRV1_RAHEAD 0x80
1998-10-12 20:09:10 +04:00
/*
* data read/write timing registers . 0640 uses the same for drive 0 and 1
* on the secondary channel
*/
#define CMD_DATA_TIM(chan, drive) \
(((chan) == 0) ? \
((drive) == 0) ? 0x54: 0x56 \
: \
((drive) == 0) ? 0x58 : 0x5b)
/* secondary channel status and addr timings */
#define CMD_ARTTIM23 0x57
#define CMD_ARTTIM23_IRQ 0x10
#define CMD_ARTTIM23_RHAEAD(d) ((0x4) << (d))
/* DMA master read mode select */
#define CMD_DMA_MODE 0x71
#define CMD_DMA 0x00
#define CMD_DMA_MULTIPLE 0x01
#define CMD_DMA_LINE 0x10
1998-10-12 20:09:10 +04:00
/*
* timings values for the 0643 and 0x646
* for all dma_mode we have to have
* DMA_timings(dma_mode) >= PIO_timings(dma_mode + 2)
*/
static int8_t cmd0643_6_data_tim_pio[] = {0xA9, 0x57, 0x44, 0x32, 0x3F};
static int8_t cmd0643_6_data_tim_dma[] = {0x87, 0x32, 0x3F};