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pciide_cmd_reg.h revision 1.4 
      1 /*	$NetBSD: pciide_cmd_reg.h,v 1.4 1998/12/02 10:52:25 bouyer Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 Manuel Bouyer.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by the University of
     17  *	California, Berkeley and its contributors.
     18  * 4. Neither the name of the University nor the names of its contributors
     19  *    may be used to endorse or promote products derived from this software
     20  *    without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32  * SUCH DAMAGE.
     33  *
     34  */
     35 
     36 /*
     37  * Registers definitions for CMD Technologies's PCI 064x IDE controllers.
     38  * Available from http://www.cmd.com/
     39  */
     40 
     41 /* Configuration (RO) */
     42 #define CMD_CONF 0x50
     43 #define CMD_CONF_REV_MASK	0x03
     44 #define CMD_CONF_DRV0_INTR	0x04
     45 #define CMD_CONF_DEVID		0x18
     46 #define CMD_CONF_VESAPRT	0x20
     47 #define CMD_CONF_DSA1		0x40
     48 #define CMD_CONF_DSA0		0x80
     49 
     50 /* Control register (RW) */
     51 #define CMD_CTRL 0x51
     52 #define CMD_CTRL_HR_FIFO		0x01
     53 #define CMD_CTRL_HW_FIFO		0x02
     54 #define CMD_CTRL_DEVSEL			0x04
     55 #define CMD_CTRL_2PORT			0x08
     56 #define CMD_CTRL_PAR			0x10
     57 #define CMD_CTRL_HW_HLD			0x20
     58 #define CMD_CTRL_DRV0_RAHEAD		0x40
     59 #define CMD_CTRL_DRV1_RAHEAD		0x80
     60 
     61 /*
     62  * data read/write timing registers . 0640 uses the same for drive 0 and 1
     63  * on the secondary channel
     64  */
     65 #define CMD_DATA_TIM(chan, drive) \
     66 	(((chan) == 0) ? \
     67 		((drive) == 0) ? 0x54: 0x56 \
     68 		: \
     69 		((drive) == 0) ? 0x58 : 0x5b)
     70 
     71 /* DMA master read mode select */
     72 #define CMD_DMA_MODE 0x71
     73 #define CMD_DMA			0x00
     74 #define CMD_DMA_MULTIPLE	0x01
     75 #define CMD_DMA_LINE		0x10
     76 
     77 
     78 /*
     79  * timings values for the 0643 and 0x646
     80  * for all dma_mode we have to have
     81  * DMA_timings(dma_mode) >= PIO_timings(dma_mode + 2)
     82  */
     83 static int8_t cmd0643_6_data_tim_pio[] = {0xA9, 0x57, 0x44, 0x32, 0x3F};
     84 static int8_t cmd0643_6_data_tim_dma[] = {0x87, 0x32, 0x3F};
     85