1/*-
2 * Copyright (c) 1998,1999 S�ren Schmidt
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 * without modification, immediately at the beginning of the file.
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. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
| 1/*-
2 * Copyright (c) 1998,1999 S�ren Schmidt
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 * without modification, immediately at the beginning of the file.
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. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
|
28 * $FreeBSD: head/sys/dev/ata/ata-all.h 52067 1999-10-09 19:57:13Z sos $
| 28 * $FreeBSD: head/sys/dev/ata/ata-all.h 52918 1999-11-06 16:50:21Z sos $
|
29 */
30
31/* ATA register defines */
32#define ATA_DATA 0x00 /* data register */
33#define ATA_ERROR 0x01 /* (R) error register */
34#define ATA_E_ABORT 0x04 /* command aborted */
35
36#define ATA_FEATURE 0x01 /* (W) feature register */
37#define ATA_F_DMA 0x01 /* enable DMA */
38#define ATA_F_OVL 0x02 /* enable overlap */
39
40#define ATA_COUNT 0x02 /* (W) sector count */
41#define ATA_IREASON 0x02 /* (R) interrupt reason */
42#define ATA_I_CMD 0x01 /* cmd (1) | data (0) */
43#define ATA_I_IN 0x02 /* read (1) | write (0) */
44#define ATA_I_RELEASE 0x04 /* released bus (1) */
45#define ATA_I_TAGMASK 0xf8 /* tag mask */
46
47#define ATA_SECTOR 0x03 /* sector # */
48#define ATA_CYL_LSB 0x04 /* cylinder# LSB */
49#define ATA_CYL_MSB 0x05 /* cylinder# MSB */
50#define ATA_DRIVE 0x06 /* Sector/Drive/Head register */
51#define ATA_D_LBA 0x40 /* use LBA adressing */
52#define ATA_D_IBM 0xa0 /* 512 byte sectors, ECC */
53
54#define ATA_CMD 0x07 /* command register */
55#define ATA_C_ATAPI_RESET 0x08 /* reset ATAPI device */
56#define ATA_C_READ 0x20 /* read command */
57#define ATA_C_WRITE 0x30 /* write command */
58#define ATA_C_PACKET_CMD 0xa0 /* packet command */
59#define ATA_C_ATAPI_IDENTIFY 0xa1 /* get ATAPI params*/
60#define ATA_C_READ_MULTI 0xc4 /* read multi command */
61#define ATA_C_WRITE_MULTI 0xc5 /* write multi command */
62#define ATA_C_SET_MULTI 0xc6 /* set multi size command */
63#define ATA_C_READ_DMA 0xc8 /* read w/DMA command */
64#define ATA_C_WRITE_DMA 0xca /* write w/DMA command */
65#define ATA_C_ATA_IDENTIFY 0xec /* get ATA params */
66#define ATA_C_SETFEATURES 0xef /* features command */
67#define ATA_C_FEA_SETXFER 0x03 /* set transfer mode */
68
69#define ATA_STATUS 0x07 /* status register */
70#define ATA_S_ERROR 0x01 /* error */
71#define ATA_S_INDEX 0x02 /* index */
72#define ATA_S_CORR 0x04 /* data corrected */
73#define ATA_S_DRQ 0x08 /* data request */
74#define ATA_S_DSC 0x10 /* drive seek completed */
75#define ATA_S_SERVICE 0x10 /* drive needs service */
76#define ATA_S_DWF 0x20 /* drive write fault */
77#define ATA_S_DMA 0x20 /* DMA ready */
78#define ATA_S_READY 0x40 /* drive ready */
79#define ATA_S_BUSY 0x80 /* busy */
80
81#define ATA_ALTPORT 0x206 /* alternate Status register */
82#define ATA_A_IDS 0x02 /* disable interrupts */
83#define ATA_A_RESET 0x04 /* RESET controller */
84#define ATA_A_4BIT 0x08 /* 4 head bits */
85
86/* misc defines */
87#define ATA_MASTER 0x00
88#define ATA_SLAVE 0x10
89#define ATA_IOSIZE 0x08
90#define ATA_OP_FINISHED 0x00
91#define ATA_OP_CONTINUES 0x01
92
93/* busmaster DMA related defines */
94#define ATA_BM_OFFSET1 0x08
95#define ATA_DMA_ENTRIES 256
96#define ATA_DMA_EOT 0x80000000
97
98#define ATA_BMCMD_PORT 0x00
99#define ATA_BMCMD_START_STOP 0x01
100#define ATA_BMCMD_WRITE_READ 0x08
101
102#define ATA_BMSTAT_PORT 0x02
103#define ATA_BMSTAT_ACTIVE 0x01
104#define ATA_BMSTAT_ERROR 0x02
105#define ATA_BMSTAT_INTERRUPT 0x04
106#define ATA_BMSTAT_MASK 0x07
107#define ATA_BMSTAT_DMA_MASTER 0x20
108#define ATA_BMSTAT_DMA_SLAVE 0x40
109#define ATA_BMSTAT_DMA_SIMPLEX 0x80
110
111#define ATA_BMDTP_PORT 0x04
112
113/* structure for holding DMA address data */
114struct ata_dmaentry {
115 u_int32_t base;
116 u_int32_t count;
117};
118
119/* ATA device DMA access modes */
120#define ATA_WDMA2 0x22
121#define ATA_UDMA2 0x42
122#define ATA_UDMA3 0x43
123#define ATA_UDMA4 0x44
124
125/* structure describing an ATA device */
126struct ata_softc {
127 int32_t unit; /* unit on this controller */
128 int32_t lun; /* logical unit # */
129 struct device *dev; /* device handle */
130 int32_t ioaddr; /* port addr */
131 int32_t altioaddr; /* alternate port addr */
132 int32_t bmaddr; /* bus master DMA port */
133 void *dev_softc[2]; /* ptr to devices softc's */
134 struct ata_dmaentry *dmatab[2]; /* DMA transfer tables */
135 int32_t mode[2]; /* transfer mode for devices */
136#define ATA_MODE_PIO 0x00
137#define ATA_MODE_WDMA2 0x01
138#define ATA_MODE_UDMA2 0x02
139#define ATA_MODE_UDMA3 0x04
140#define ATA_MODE_UDMA4 0x08
141
142 int32_t flags; /* controller flags */
143#define ATA_DMA_ACTIVE 0x01
144#define ATA_ATAPI_DMA_RO 0x02
145
146 int32_t devices; /* what is present */
147#define ATA_ATA_MASTER 0x01
148#define ATA_ATA_SLAVE 0x02
149#define ATA_ATAPI_MASTER 0x04
150#define ATA_ATAPI_SLAVE 0x08
151
152 u_int8_t status; /* last controller status */
153 u_int8_t error; /* last controller error */
154 int32_t active; /* active processing request */
155#define ATA_IDLE 0x0
156#define ATA_IMMEDIATE 0x0
157#define ATA_WAIT_INTR 0x1
| 29 */
30
31/* ATA register defines */
32#define ATA_DATA 0x00 /* data register */
33#define ATA_ERROR 0x01 /* (R) error register */
34#define ATA_E_ABORT 0x04 /* command aborted */
35
36#define ATA_FEATURE 0x01 /* (W) feature register */
37#define ATA_F_DMA 0x01 /* enable DMA */
38#define ATA_F_OVL 0x02 /* enable overlap */
39
40#define ATA_COUNT 0x02 /* (W) sector count */
41#define ATA_IREASON 0x02 /* (R) interrupt reason */
42#define ATA_I_CMD 0x01 /* cmd (1) | data (0) */
43#define ATA_I_IN 0x02 /* read (1) | write (0) */
44#define ATA_I_RELEASE 0x04 /* released bus (1) */
45#define ATA_I_TAGMASK 0xf8 /* tag mask */
46
47#define ATA_SECTOR 0x03 /* sector # */
48#define ATA_CYL_LSB 0x04 /* cylinder# LSB */
49#define ATA_CYL_MSB 0x05 /* cylinder# MSB */
50#define ATA_DRIVE 0x06 /* Sector/Drive/Head register */
51#define ATA_D_LBA 0x40 /* use LBA adressing */
52#define ATA_D_IBM 0xa0 /* 512 byte sectors, ECC */
53
54#define ATA_CMD 0x07 /* command register */
55#define ATA_C_ATAPI_RESET 0x08 /* reset ATAPI device */
56#define ATA_C_READ 0x20 /* read command */
57#define ATA_C_WRITE 0x30 /* write command */
58#define ATA_C_PACKET_CMD 0xa0 /* packet command */
59#define ATA_C_ATAPI_IDENTIFY 0xa1 /* get ATAPI params*/
60#define ATA_C_READ_MULTI 0xc4 /* read multi command */
61#define ATA_C_WRITE_MULTI 0xc5 /* write multi command */
62#define ATA_C_SET_MULTI 0xc6 /* set multi size command */
63#define ATA_C_READ_DMA 0xc8 /* read w/DMA command */
64#define ATA_C_WRITE_DMA 0xca /* write w/DMA command */
65#define ATA_C_ATA_IDENTIFY 0xec /* get ATA params */
66#define ATA_C_SETFEATURES 0xef /* features command */
67#define ATA_C_FEA_SETXFER 0x03 /* set transfer mode */
68
69#define ATA_STATUS 0x07 /* status register */
70#define ATA_S_ERROR 0x01 /* error */
71#define ATA_S_INDEX 0x02 /* index */
72#define ATA_S_CORR 0x04 /* data corrected */
73#define ATA_S_DRQ 0x08 /* data request */
74#define ATA_S_DSC 0x10 /* drive seek completed */
75#define ATA_S_SERVICE 0x10 /* drive needs service */
76#define ATA_S_DWF 0x20 /* drive write fault */
77#define ATA_S_DMA 0x20 /* DMA ready */
78#define ATA_S_READY 0x40 /* drive ready */
79#define ATA_S_BUSY 0x80 /* busy */
80
81#define ATA_ALTPORT 0x206 /* alternate Status register */
82#define ATA_A_IDS 0x02 /* disable interrupts */
83#define ATA_A_RESET 0x04 /* RESET controller */
84#define ATA_A_4BIT 0x08 /* 4 head bits */
85
86/* misc defines */
87#define ATA_MASTER 0x00
88#define ATA_SLAVE 0x10
89#define ATA_IOSIZE 0x08
90#define ATA_OP_FINISHED 0x00
91#define ATA_OP_CONTINUES 0x01
92
93/* busmaster DMA related defines */
94#define ATA_BM_OFFSET1 0x08
95#define ATA_DMA_ENTRIES 256
96#define ATA_DMA_EOT 0x80000000
97
98#define ATA_BMCMD_PORT 0x00
99#define ATA_BMCMD_START_STOP 0x01
100#define ATA_BMCMD_WRITE_READ 0x08
101
102#define ATA_BMSTAT_PORT 0x02
103#define ATA_BMSTAT_ACTIVE 0x01
104#define ATA_BMSTAT_ERROR 0x02
105#define ATA_BMSTAT_INTERRUPT 0x04
106#define ATA_BMSTAT_MASK 0x07
107#define ATA_BMSTAT_DMA_MASTER 0x20
108#define ATA_BMSTAT_DMA_SLAVE 0x40
109#define ATA_BMSTAT_DMA_SIMPLEX 0x80
110
111#define ATA_BMDTP_PORT 0x04
112
113/* structure for holding DMA address data */
114struct ata_dmaentry {
115 u_int32_t base;
116 u_int32_t count;
117};
118
119/* ATA device DMA access modes */
120#define ATA_WDMA2 0x22
121#define ATA_UDMA2 0x42
122#define ATA_UDMA3 0x43
123#define ATA_UDMA4 0x44
124
125/* structure describing an ATA device */
126struct ata_softc {
127 int32_t unit; /* unit on this controller */
128 int32_t lun; /* logical unit # */
129 struct device *dev; /* device handle */
130 int32_t ioaddr; /* port addr */
131 int32_t altioaddr; /* alternate port addr */
132 int32_t bmaddr; /* bus master DMA port */
133 void *dev_softc[2]; /* ptr to devices softc's */
134 struct ata_dmaentry *dmatab[2]; /* DMA transfer tables */
135 int32_t mode[2]; /* transfer mode for devices */
136#define ATA_MODE_PIO 0x00
137#define ATA_MODE_WDMA2 0x01
138#define ATA_MODE_UDMA2 0x02
139#define ATA_MODE_UDMA3 0x04
140#define ATA_MODE_UDMA4 0x08
141
142 int32_t flags; /* controller flags */
143#define ATA_DMA_ACTIVE 0x01
144#define ATA_ATAPI_DMA_RO 0x02
145
146 int32_t devices; /* what is present */
147#define ATA_ATA_MASTER 0x01
148#define ATA_ATA_SLAVE 0x02
149#define ATA_ATAPI_MASTER 0x04
150#define ATA_ATAPI_SLAVE 0x08
151
152 u_int8_t status; /* last controller status */
153 u_int8_t error; /* last controller error */
154 int32_t active; /* active processing request */
155#define ATA_IDLE 0x0
156#define ATA_IMMEDIATE 0x0
157#define ATA_WAIT_INTR 0x1
|
158#define ATA_IGNORE_INTR 0x2
| 158#define ATA_WAIT_READY 0x2
|
159#define ATA_ACTIVE_ATA 0x3
160#define ATA_ACTIVE_ATAPI 0x4
161#define ATA_REINITING 0x5
162
163 TAILQ_HEAD(, ad_request) ata_queue; /* head of ATA queue */
164 TAILQ_HEAD(, atapi_request) atapi_queue; /* head of ATAPI queue */
165 void *running; /* currently running request */
166#if NAPM > 0
167 struct apmhook resume_hook; /* hook for apm */
168#endif
169
170};
171
172/* array to hold all ata softc's */
173extern struct ata_softc *atadevices[];
174#define MAXATA 16
175
176/* public prototypes */
177void ata_start(struct ata_softc *);
178void ata_reset(struct ata_softc *, int32_t *);
179int32_t ata_reinit(struct ata_softc *);
180int32_t ata_wait(struct ata_softc *, int32_t, u_int8_t);
181int32_t ata_command(struct ata_softc *, int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t, int32_t);
182int32_t ata_dmainit(struct ata_softc *, int32_t, int32_t, int32_t, int32_t);
183int32_t ata_dmasetup(struct ata_softc *, int32_t, int8_t *, int32_t, int32_t);
184void ata_dmastart(struct ata_softc *);
185int32_t ata_dmastatus(struct ata_softc *);
186int32_t ata_dmadone(struct ata_softc *);
187int8_t *ata_mode2str(int32_t);
188void bswap(int8_t *, int32_t);
189void btrim(int8_t *, int32_t);
190void bpack(int8_t *, int8_t *, int32_t);
| 159#define ATA_ACTIVE_ATA 0x3
160#define ATA_ACTIVE_ATAPI 0x4
161#define ATA_REINITING 0x5
162
163 TAILQ_HEAD(, ad_request) ata_queue; /* head of ATA queue */
164 TAILQ_HEAD(, atapi_request) atapi_queue; /* head of ATAPI queue */
165 void *running; /* currently running request */
166#if NAPM > 0
167 struct apmhook resume_hook; /* hook for apm */
168#endif
169
170};
171
172/* array to hold all ata softc's */
173extern struct ata_softc *atadevices[];
174#define MAXATA 16
175
176/* public prototypes */
177void ata_start(struct ata_softc *);
178void ata_reset(struct ata_softc *, int32_t *);
179int32_t ata_reinit(struct ata_softc *);
180int32_t ata_wait(struct ata_softc *, int32_t, u_int8_t);
181int32_t ata_command(struct ata_softc *, int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t, int32_t);
182int32_t ata_dmainit(struct ata_softc *, int32_t, int32_t, int32_t, int32_t);
183int32_t ata_dmasetup(struct ata_softc *, int32_t, int8_t *, int32_t, int32_t);
184void ata_dmastart(struct ata_softc *);
185int32_t ata_dmastatus(struct ata_softc *);
186int32_t ata_dmadone(struct ata_softc *);
187int8_t *ata_mode2str(int32_t);
188void bswap(int8_t *, int32_t);
189void btrim(int8_t *, int32_t);
190void bpack(int8_t *, int8_t *, int32_t);
|