diff options
Diffstat (limited to 'drivers/scsi/sata_promise.h')
-rw-r--r-- | drivers/scsi/sata_promise.h | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/drivers/scsi/sata_promise.h b/drivers/scsi/sata_promise.h deleted file mode 100644 index 6ee5e190262d..000000000000 --- a/drivers/scsi/sata_promise.h +++ /dev/null | |||
@@ -1,157 +0,0 @@ | |||
1 | /* | ||
2 | * sata_promise.h - Promise SATA common definitions and inline funcs | ||
3 | * | ||
4 | * Copyright 2003-2004 Red Hat, Inc. | ||
5 | * | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2, or (at your option) | ||
10 | * any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; see the file COPYING. If not, write to | ||
19 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | ||
20 | * | ||
21 | * | ||
22 | * libata documentation is available via 'make {ps|pdf}docs', | ||
23 | * as Documentation/DocBook/libata.* | ||
24 | * | ||
25 | */ | ||
26 | |||
27 | #ifndef __SATA_PROMISE_H__ | ||
28 | #define __SATA_PROMISE_H__ | ||
29 | |||
30 | #include <linux/ata.h> | ||
31 | |||
32 | enum pdc_packet_bits { | ||
33 | PDC_PKT_READ = (1 << 2), | ||
34 | PDC_PKT_NODATA = (1 << 3), | ||
35 | |||
36 | PDC_PKT_SIZEMASK = (1 << 7) | (1 << 6) | (1 << 5), | ||
37 | PDC_PKT_CLEAR_BSY = (1 << 4), | ||
38 | PDC_PKT_WAIT_DRDY = (1 << 3) | (1 << 4), | ||
39 | PDC_LAST_REG = (1 << 3), | ||
40 | |||
41 | PDC_REG_DEVCTL = (1 << 3) | (1 << 2) | (1 << 1), | ||
42 | }; | ||
43 | |||
44 | static inline unsigned int pdc_pkt_header(struct ata_taskfile *tf, | ||
45 | dma_addr_t sg_table, | ||
46 | unsigned int devno, u8 *buf) | ||
47 | { | ||
48 | u8 dev_reg; | ||
49 | u32 *buf32 = (u32 *) buf; | ||
50 | |||
51 | /* set control bits (byte 0), zero delay seq id (byte 3), | ||
52 | * and seq id (byte 2) | ||
53 | */ | ||
54 | switch (tf->protocol) { | ||
55 | case ATA_PROT_DMA: | ||
56 | if (!(tf->flags & ATA_TFLAG_WRITE)) | ||
57 | buf32[0] = cpu_to_le32(PDC_PKT_READ); | ||
58 | else | ||
59 | buf32[0] = 0; | ||
60 | break; | ||
61 | |||
62 | case ATA_PROT_NODATA: | ||
63 | buf32[0] = cpu_to_le32(PDC_PKT_NODATA); | ||
64 | break; | ||
65 | |||
66 | default: | ||
67 | BUG(); | ||
68 | break; | ||
69 | } | ||
70 | |||
71 | buf32[1] = cpu_to_le32(sg_table); /* S/G table addr */ | ||
72 | buf32[2] = 0; /* no next-packet */ | ||
73 | |||
74 | if (devno == 0) | ||
75 | dev_reg = ATA_DEVICE_OBS; | ||
76 | else | ||
77 | dev_reg = ATA_DEVICE_OBS | ATA_DEV1; | ||
78 | |||
79 | /* select device */ | ||
80 | buf[12] = (1 << 5) | PDC_PKT_CLEAR_BSY | ATA_REG_DEVICE; | ||
81 | buf[13] = dev_reg; | ||
82 | |||
83 | /* device control register */ | ||
84 | buf[14] = (1 << 5) | PDC_REG_DEVCTL; | ||
85 | buf[15] = tf->ctl; | ||
86 | |||
87 | return 16; /* offset of next byte */ | ||
88 | } | ||
89 | |||
90 | static inline unsigned int pdc_pkt_footer(struct ata_taskfile *tf, u8 *buf, | ||
91 | unsigned int i) | ||
92 | { | ||
93 | if (tf->flags & ATA_TFLAG_DEVICE) { | ||
94 | buf[i++] = (1 << 5) | ATA_REG_DEVICE; | ||
95 | buf[i++] = tf->device; | ||
96 | } | ||
97 | |||
98 | /* and finally the command itself; also includes end-of-pkt marker */ | ||
99 | buf[i++] = (1 << 5) | PDC_LAST_REG | ATA_REG_CMD; | ||
100 | buf[i++] = tf->command; | ||
101 | |||
102 | return i; | ||
103 | } | ||
104 | |||
105 | static inline unsigned int pdc_prep_lba28(struct ata_taskfile *tf, u8 *buf, unsigned int i) | ||
106 | { | ||
107 | /* the "(1 << 5)" should be read "(count << 5)" */ | ||
108 | |||
109 | /* ATA command block registers */ | ||
110 | buf[i++] = (1 << 5) | ATA_REG_FEATURE; | ||
111 | buf[i++] = tf->feature; | ||
112 | |||
113 | buf[i++] = (1 << 5) | ATA_REG_NSECT; | ||
114 | buf[i++] = tf->nsect; | ||
115 | |||
116 | buf[i++] = (1 << 5) | ATA_REG_LBAL; | ||
117 | buf[i++] = tf->lbal; | ||
118 | |||
119 | buf[i++] = (1 << 5) | ATA_REG_LBAM; | ||
120 | buf[i++] = tf->lbam; | ||
121 | |||
122 | buf[i++] = (1 << 5) | ATA_REG_LBAH; | ||
123 | buf[i++] = tf->lbah; | ||
124 | |||
125 | return i; | ||
126 | } | ||
127 | |||
128 | static inline unsigned int pdc_prep_lba48(struct ata_taskfile *tf, u8 *buf, unsigned int i) | ||
129 | { | ||
130 | /* the "(2 << 5)" should be read "(count << 5)" */ | ||
131 | |||
132 | /* ATA command block registers */ | ||
133 | buf[i++] = (2 << 5) | ATA_REG_FEATURE; | ||
134 | buf[i++] = tf->hob_feature; | ||
135 | buf[i++] = tf->feature; | ||
136 | |||
137 | buf[i++] = (2 << 5) | ATA_REG_NSECT; | ||
138 | buf[i++] = tf->hob_nsect; | ||
139 | buf[i++] = tf->nsect; | ||
140 | |||
141 | buf[i++] = (2 << 5) | ATA_REG_LBAL; | ||
142 | buf[i++] = tf->hob_lbal; | ||
143 | buf[i++] = tf->lbal; | ||
144 | |||
145 | buf[i++] = (2 << 5) | ATA_REG_LBAM; | ||
146 | buf[i++] = tf->hob_lbam; | ||
147 | buf[i++] = tf->lbam; | ||
148 | |||
149 | buf[i++] = (2 << 5) | ATA_REG_LBAH; | ||
150 | buf[i++] = tf->hob_lbah; | ||
151 | buf[i++] = tf->lbah; | ||
152 | |||
153 | return i; | ||
154 | } | ||
155 | |||
156 | |||
157 | #endif /* __SATA_PROMISE_H__ */ | ||