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pciide_apollo_reg.h revision 1.13 
      1 /*	$NetBSD: pciide_apollo_reg.h,v 1.13 2003/10/05 17:48:49 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 Manuel Bouyer.
     17  * 4. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  *
     31  */
     32 
     33 /*
     34  * Registers definitions for VIA technologies's Apollo controllers (VT82V580VO,
     35  * VT82C586A and VT82C586B). Available from http://www.via.com.tw/ or
     36  * http://www.viatech.com/
     37  */
     38 
     39 /* misc. configuration registers */
     40 #define APO_IDECONF 0x40
     41 #define APO_IDECONF_EN(channel) (0x00000001 << (1 - (channel)))
     42 #define APO_IDECONF_SERR_EN	0x00000100 /* 580 only */
     43 #define APO_IDECONF_DS_SOURCE	0x00000200 /* 580 only */
     44 #define APO_IDECONF_ALT_INTR_EN	0x00000400 /* 580 only */
     45 #define APO_IDECONF_PERR_EN	0x00000800 /* 580 only */
     46 #define APO_IDECONF_WR_BUFF_EN(channel) (0x00001000 << ((1 - (channel)) << 1))
     47 #define APO_IDECONF_RD_PREF_EN(channel) (0x00002000 << ((1 - (channel)) << 1))
     48 #define APO_IDECONF_DEVSEL_TME	0x00010000 /* 580 only */
     49 #define APO_IDECONF_MAS_CMD_MON	0x00020000 /* 580 only */
     50 #define APO_IDECONF_IO_NAT(channel) \
     51 	(0x00400000 << (1 - (channel))) /* 580 only */
     52 #define APO_IDECONF_FIFO_TRSH(channel, x) \
     53 	((x) & 0x3) << ((1 - (channel)) << 1 + 24)
     54 #define APO_IDECONF_FIFO_CONF_MASK 0x60000000
     55 
     56 /* Misc. controls register */
     57 #define APO_CTLMISC 0x44
     58 #define APO_CTLMISC_BM_STS_RTY	0x00000008
     59 #define APO_CTLMISC_FIFO_HWS	0x00000010
     60 #define APO_CTLMISC_WR_IRDY_WS	0x00000020
     61 #define APO_CTLMISC_RD_IRDY_WS	0x00000040
     62 #define APO_CTLMISC_INTR_SWP	0x00004000
     63 #define APO_CTLMISC_DRDY_TIME_MASK 0x00030000
     64 #define APO_CTLMISC_FIFO_FLSH_RD(channel) (0x00100000 << (1 - (channel)))
     65 #define APO_CTLMISC_FIFO_FLSH_DMA(channel) (0x00400000 << (1 - (channel)))
     66 
     67 /* data port timings controls */
     68 #define APO_DATATIM 0x48
     69 #define APO_DATATIM_MASK(channel) (0xffff << ((1 - (channel)) << 4))
     70 #define APO_DATATIM_RECOV(channel, drive, x) (((x) & 0xf) << \
     71 	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
     72 #define APO_DATATIM_PULSE(channel, drive, x) (((x) & 0xf) << \
     73 	(((1 - (channel)) << 4) + ((1 - (drive)) << 3) + 4))
     74 
     75 /* misc timings control */
     76 #define APO_MISCTIM 0x4c
     77 
     78 /* Ultra-DMA/33 control (586A/B only) */
     79 #define APO_UDMA 0x50
     80 #define APO_UDMA_MASK(channel) (0xffff << ((1 - (channel)) << 4))
     81 #define APO_UDMA_TIME(channel, drive, x) (((x) & 0xf) << \
     82 	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
     83 #define APO_UDMA_PIO_MODE(channel, drive) (0x20 << \
     84 	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
     85 #define APO_UDMA_EN(channel, drive) (0x40 << \
     86 	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
     87 #define APO_UDMA_EN_MTH(channel, drive) (0x80 << \
     88 	(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
     89 #define APO_UDMA_CLK66(channel) (0x08 << ((1 - (channel)) << 4))
     90 
     91 static const int8_t apollo_udma133_tim[] __attribute__((__unused__)) =
     92     {0x07, 0x07, 0x06, 0x04, 0x02, 0x01, 0x00};
     93 static const int8_t apollo_udma100_tim[] __attribute__((__unused__)) =
     94     {0x07, 0x07, 0x04, 0x02, 0x01, 0x00};
     95 static const int8_t apollo_udma66_tim[] __attribute__((__unused__)) =
     96     {0x03, 0x03, 0x02, 0x01, 0x00};
     97 static const int8_t apollo_udma33_tim[] __attribute__((__unused__)) =
     98     {0x03, 0x02, 0x00};
     99 static const int8_t apollo_pio_set[] __attribute__((__unused__)) =
    100     {0x0a, 0x0a, 0x0a, 0x02, 0x02};
    101 static const int8_t apollo_pio_rec[] __attribute__((__unused__)) =
    102     {0x08, 0x08, 0x08, 0x02, 0x00};
    103