1/*-
2 * Copyright (c) 2003-2009 RMI Corporation
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of RMI Corporation, nor the names of its contributors,
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * RMI_BSD */
30/*
31 * ATA driver for the XLR_PCMCIA Host adapter on the RMI XLR/XLS/.
32 */
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD$");
35
36#include <sys/param.h>
37#include <sys/systm.h>
38#include <sys/kernel.h>
39#include <sys/module.h>
40#include <sys/bus.h>
41#include <sys/rman.h>
42#include <vm/uma.h>
43#include <sys/ata.h>
44#include <sys/sema.h>
45#include <sys/taskqueue.h>
46#include <sys/bus_dma.h>
47
48#include <dev/ata/ata-all.h>
49#include <mips/rmi/pic.h>
50#include <mips/rmi/iomap.h>
51#include <mips/include/resource.h>
52#include <mips/rmi/interrupt.h>
53
54#define	XLR_PCMCIA_DATA_REG		0x1f0
55#define	XLR_PCMCIA_ERROR_REG		0x1f1
56#define	XLR_PCMCIA_SECT_CNT_REG		0x1f2
57#define	XLR_PCMCIA_SECT_NUM_REG		0x1f3
58#define	XLR_PCMCIA_CYLINDER_LOW_REG	0x1f4
59#define	XLR_PCMCIA_CYLINDER_HIGH_REG	0x1f5
60#define	XLR_PCMCIA_SECT_DRIVE_HEAD_REG	0x1f6
61#define	XLR_PCMCIA_CMD_STATUS_REG	0x1f7
62#define	XLR_PCMCIA_ALT_STATUS_REG	0x3f6
63#define	XLR_PCMCIA_CONTROL_REG		0x3f6
64
65/*
66 * Device methods
67 */
68static int xlr_pcmcia_probe(device_t);
69static int xlr_pcmcia_attach(device_t);
70static int xlr_pcmcia_detach(device_t);
71
72static int
73xlr_pcmcia_probe(device_t dev)
74{
75	struct ata_channel *ch = device_get_softc(dev);
76
77	ch->unit = 0;
78	ch->flags |= ATA_USE_16BIT | ATA_NO_SLAVE ;
79	device_set_desc(dev, "PCMCIA ATA controller");
80
81	return (ata_probe(dev));
82}
83
84/*
85 * We add all the devices which we know about.
86 * The generic attach routine will attach them if they are alive.
87 */
88static int
89xlr_pcmcia_attach(device_t dev)
90{
91	struct ata_channel *ch = device_get_softc(dev);
92	int i;
93	int rid =0;
94	struct resource *mem_res;
95
96
97	mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,  RF_ACTIVE);
98	for (i = 0; i < ATA_MAX_RES; i++)
99		ch->r_io[i].res = mem_res;
100
101	/*
102	 * CF+ Specification.
103	 */
104	ch->r_io[ATA_DATA].offset 	= XLR_PCMCIA_DATA_REG;
105	ch->r_io[ATA_FEATURE].offset 	= XLR_PCMCIA_ERROR_REG;
106	ch->r_io[ATA_COUNT].offset 	= XLR_PCMCIA_SECT_CNT_REG;
107	ch->r_io[ATA_SECTOR].offset 	= XLR_PCMCIA_SECT_NUM_REG;
108	ch->r_io[ATA_CYL_LSB].offset 	= XLR_PCMCIA_CYLINDER_LOW_REG;
109	ch->r_io[ATA_CYL_MSB].offset 	= XLR_PCMCIA_CYLINDER_HIGH_REG;
110	ch->r_io[ATA_DRIVE].offset 	= XLR_PCMCIA_SECT_DRIVE_HEAD_REG;
111	ch->r_io[ATA_COMMAND].offset 	= XLR_PCMCIA_CMD_STATUS_REG;
112	ch->r_io[ATA_ERROR].offset 	= XLR_PCMCIA_ERROR_REG;
113	ch->r_io[ATA_IREASON].offset 	= XLR_PCMCIA_SECT_CNT_REG;
114	ch->r_io[ATA_STATUS].offset 	= XLR_PCMCIA_CMD_STATUS_REG;
115	ch->r_io[ATA_ALTSTAT].offset 	= XLR_PCMCIA_ALT_STATUS_REG;
116	ch->r_io[ATA_CONTROL].offset 	= XLR_PCMCIA_CONTROL_REG;
117
118	/* Should point at the base of registers. */
119	ch->r_io[ATA_IDX_ADDR].offset = XLR_PCMCIA_DATA_REG;
120
121	ata_generic_hw(dev);
122
123	return (ata_attach(dev));
124}
125
126static int
127xlr_pcmcia_detach(device_t dev)
128{
129	bus_generic_detach(dev);
130
131	return (0);
132}
133
134static device_method_t xlr_pcmcia_methods[] = {
135    /* device interface */
136    DEVMETHOD(device_probe,         xlr_pcmcia_probe),
137    DEVMETHOD(device_attach,        xlr_pcmcia_attach),
138    DEVMETHOD(device_detach,        xlr_pcmcia_detach),
139
140    { 0, 0 }
141};
142
143static driver_t xlr_pcmcia_driver = {
144        "ata",
145        xlr_pcmcia_methods,
146        sizeof(struct ata_channel),
147};
148
149DRIVER_MODULE(ata, iodi, xlr_pcmcia_driver, ata_devclass, 0, 0);
150