Commit 71fc9fcc70e6ad96215510c1dbcbade05cd95e41
Committed by
Bartlomiej Zolnierkiewicz
1 parent
bef69ea0dc
Exists in
master
and in
4 other branches
IDE: compile fix for sff_dma_ops
The sff_dma_ops struct should be wrapped by BLK_DEV_IDEDMA_SFF instead of BLK_DEV_IDEDMA_PCI. Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Showing 1 changed file with 1 additions and 1 deletions Inline Diff
include/linux/ide.h
1 | #ifndef _IDE_H | 1 | #ifndef _IDE_H |
2 | #define _IDE_H | 2 | #define _IDE_H |
3 | /* | 3 | /* |
4 | * linux/include/linux/ide.h | 4 | * linux/include/linux/ide.h |
5 | * | 5 | * |
6 | * Copyright (C) 1994-2002 Linus Torvalds & authors | 6 | * Copyright (C) 1994-2002 Linus Torvalds & authors |
7 | */ | 7 | */ |
8 | 8 | ||
9 | #include <linux/init.h> | 9 | #include <linux/init.h> |
10 | #include <linux/ioport.h> | 10 | #include <linux/ioport.h> |
11 | #include <linux/hdreg.h> | 11 | #include <linux/hdreg.h> |
12 | #include <linux/blkdev.h> | 12 | #include <linux/blkdev.h> |
13 | #include <linux/proc_fs.h> | 13 | #include <linux/proc_fs.h> |
14 | #include <linux/interrupt.h> | 14 | #include <linux/interrupt.h> |
15 | #include <linux/bitops.h> | 15 | #include <linux/bitops.h> |
16 | #include <linux/bio.h> | 16 | #include <linux/bio.h> |
17 | #include <linux/device.h> | 17 | #include <linux/device.h> |
18 | #include <linux/pci.h> | 18 | #include <linux/pci.h> |
19 | #include <linux/completion.h> | 19 | #include <linux/completion.h> |
20 | #ifdef CONFIG_BLK_DEV_IDEACPI | 20 | #ifdef CONFIG_BLK_DEV_IDEACPI |
21 | #include <acpi/acpi.h> | 21 | #include <acpi/acpi.h> |
22 | #endif | 22 | #endif |
23 | #include <asm/byteorder.h> | 23 | #include <asm/byteorder.h> |
24 | #include <asm/system.h> | 24 | #include <asm/system.h> |
25 | #include <asm/io.h> | 25 | #include <asm/io.h> |
26 | #include <asm/mutex.h> | 26 | #include <asm/mutex.h> |
27 | 27 | ||
28 | #if defined(CONFIG_CRIS) || defined(CONFIG_FRV) | 28 | #if defined(CONFIG_CRIS) || defined(CONFIG_FRV) |
29 | # define SUPPORT_VLB_SYNC 0 | 29 | # define SUPPORT_VLB_SYNC 0 |
30 | #else | 30 | #else |
31 | # define SUPPORT_VLB_SYNC 1 | 31 | # define SUPPORT_VLB_SYNC 1 |
32 | #endif | 32 | #endif |
33 | 33 | ||
34 | /* | 34 | /* |
35 | * Used to indicate "no IRQ", should be a value that cannot be an IRQ | 35 | * Used to indicate "no IRQ", should be a value that cannot be an IRQ |
36 | * number. | 36 | * number. |
37 | */ | 37 | */ |
38 | 38 | ||
39 | #define IDE_NO_IRQ (-1) | 39 | #define IDE_NO_IRQ (-1) |
40 | 40 | ||
41 | typedef unsigned char byte; /* used everywhere */ | 41 | typedef unsigned char byte; /* used everywhere */ |
42 | 42 | ||
43 | /* | 43 | /* |
44 | * Probably not wise to fiddle with these | 44 | * Probably not wise to fiddle with these |
45 | */ | 45 | */ |
46 | #define ERROR_MAX 8 /* Max read/write errors per sector */ | 46 | #define ERROR_MAX 8 /* Max read/write errors per sector */ |
47 | #define ERROR_RESET 3 /* Reset controller every 4th retry */ | 47 | #define ERROR_RESET 3 /* Reset controller every 4th retry */ |
48 | #define ERROR_RECAL 1 /* Recalibrate every 2nd retry */ | 48 | #define ERROR_RECAL 1 /* Recalibrate every 2nd retry */ |
49 | 49 | ||
50 | /* | 50 | /* |
51 | * state flags | 51 | * state flags |
52 | */ | 52 | */ |
53 | 53 | ||
54 | #define DMA_PIO_RETRY 1 /* retrying in PIO */ | 54 | #define DMA_PIO_RETRY 1 /* retrying in PIO */ |
55 | 55 | ||
56 | #define HWIF(drive) ((ide_hwif_t *)((drive)->hwif)) | 56 | #define HWIF(drive) ((ide_hwif_t *)((drive)->hwif)) |
57 | #define HWGROUP(drive) ((ide_hwgroup_t *)(HWIF(drive)->hwgroup)) | 57 | #define HWGROUP(drive) ((ide_hwgroup_t *)(HWIF(drive)->hwgroup)) |
58 | 58 | ||
59 | /* | 59 | /* |
60 | * Definitions for accessing IDE controller registers | 60 | * Definitions for accessing IDE controller registers |
61 | */ | 61 | */ |
62 | #define IDE_NR_PORTS (10) | 62 | #define IDE_NR_PORTS (10) |
63 | 63 | ||
64 | struct ide_io_ports { | 64 | struct ide_io_ports { |
65 | unsigned long data_addr; | 65 | unsigned long data_addr; |
66 | 66 | ||
67 | union { | 67 | union { |
68 | unsigned long error_addr; /* read: error */ | 68 | unsigned long error_addr; /* read: error */ |
69 | unsigned long feature_addr; /* write: feature */ | 69 | unsigned long feature_addr; /* write: feature */ |
70 | }; | 70 | }; |
71 | 71 | ||
72 | unsigned long nsect_addr; | 72 | unsigned long nsect_addr; |
73 | unsigned long lbal_addr; | 73 | unsigned long lbal_addr; |
74 | unsigned long lbam_addr; | 74 | unsigned long lbam_addr; |
75 | unsigned long lbah_addr; | 75 | unsigned long lbah_addr; |
76 | 76 | ||
77 | unsigned long device_addr; | 77 | unsigned long device_addr; |
78 | 78 | ||
79 | union { | 79 | union { |
80 | unsigned long status_addr; /* read: status */ | 80 | unsigned long status_addr; /* read: status */ |
81 | unsigned long command_addr; /* write: command */ | 81 | unsigned long command_addr; /* write: command */ |
82 | }; | 82 | }; |
83 | 83 | ||
84 | unsigned long ctl_addr; | 84 | unsigned long ctl_addr; |
85 | 85 | ||
86 | unsigned long irq_addr; | 86 | unsigned long irq_addr; |
87 | }; | 87 | }; |
88 | 88 | ||
89 | #define OK_STAT(stat,good,bad) (((stat)&((good)|(bad)))==(good)) | 89 | #define OK_STAT(stat,good,bad) (((stat)&((good)|(bad)))==(good)) |
90 | #define BAD_R_STAT (BUSY_STAT | ERR_STAT) | 90 | #define BAD_R_STAT (BUSY_STAT | ERR_STAT) |
91 | #define BAD_W_STAT (BAD_R_STAT | WRERR_STAT) | 91 | #define BAD_W_STAT (BAD_R_STAT | WRERR_STAT) |
92 | #define BAD_STAT (BAD_R_STAT | DRQ_STAT) | 92 | #define BAD_STAT (BAD_R_STAT | DRQ_STAT) |
93 | #define DRIVE_READY (READY_STAT | SEEK_STAT) | 93 | #define DRIVE_READY (READY_STAT | SEEK_STAT) |
94 | 94 | ||
95 | #define BAD_CRC (ABRT_ERR | ICRC_ERR) | 95 | #define BAD_CRC (ABRT_ERR | ICRC_ERR) |
96 | 96 | ||
97 | #define SATA_NR_PORTS (3) /* 16 possible ?? */ | 97 | #define SATA_NR_PORTS (3) /* 16 possible ?? */ |
98 | 98 | ||
99 | #define SATA_STATUS_OFFSET (0) | 99 | #define SATA_STATUS_OFFSET (0) |
100 | #define SATA_ERROR_OFFSET (1) | 100 | #define SATA_ERROR_OFFSET (1) |
101 | #define SATA_CONTROL_OFFSET (2) | 101 | #define SATA_CONTROL_OFFSET (2) |
102 | 102 | ||
103 | /* | 103 | /* |
104 | * Our Physical Region Descriptor (PRD) table should be large enough | 104 | * Our Physical Region Descriptor (PRD) table should be large enough |
105 | * to handle the biggest I/O request we are likely to see. Since requests | 105 | * to handle the biggest I/O request we are likely to see. Since requests |
106 | * can have no more than 256 sectors, and since the typical blocksize is | 106 | * can have no more than 256 sectors, and since the typical blocksize is |
107 | * two or more sectors, we could get by with a limit of 128 entries here for | 107 | * two or more sectors, we could get by with a limit of 128 entries here for |
108 | * the usual worst case. Most requests seem to include some contiguous blocks, | 108 | * the usual worst case. Most requests seem to include some contiguous blocks, |
109 | * further reducing the number of table entries required. | 109 | * further reducing the number of table entries required. |
110 | * | 110 | * |
111 | * The driver reverts to PIO mode for individual requests that exceed | 111 | * The driver reverts to PIO mode for individual requests that exceed |
112 | * this limit (possible with 512 byte blocksizes, eg. MSDOS f/s), so handling | 112 | * this limit (possible with 512 byte blocksizes, eg. MSDOS f/s), so handling |
113 | * 100% of all crazy scenarios here is not necessary. | 113 | * 100% of all crazy scenarios here is not necessary. |
114 | * | 114 | * |
115 | * As it turns out though, we must allocate a full 4KB page for this, | 115 | * As it turns out though, we must allocate a full 4KB page for this, |
116 | * so the two PRD tables (ide0 & ide1) will each get half of that, | 116 | * so the two PRD tables (ide0 & ide1) will each get half of that, |
117 | * allowing each to have about 256 entries (8 bytes each) from this. | 117 | * allowing each to have about 256 entries (8 bytes each) from this. |
118 | */ | 118 | */ |
119 | #define PRD_BYTES 8 | 119 | #define PRD_BYTES 8 |
120 | #define PRD_ENTRIES 256 | 120 | #define PRD_ENTRIES 256 |
121 | 121 | ||
122 | /* | 122 | /* |
123 | * Some more useful definitions | 123 | * Some more useful definitions |
124 | */ | 124 | */ |
125 | #define PARTN_BITS 6 /* number of minor dev bits for partitions */ | 125 | #define PARTN_BITS 6 /* number of minor dev bits for partitions */ |
126 | #define MAX_DRIVES 2 /* per interface; 2 assumed by lots of code */ | 126 | #define MAX_DRIVES 2 /* per interface; 2 assumed by lots of code */ |
127 | #define SECTOR_SIZE 512 | 127 | #define SECTOR_SIZE 512 |
128 | #define SECTOR_WORDS (SECTOR_SIZE / 4) /* number of 32bit words per sector */ | 128 | #define SECTOR_WORDS (SECTOR_SIZE / 4) /* number of 32bit words per sector */ |
129 | #define IDE_LARGE_SEEK(b1,b2,t) (((b1) > (b2) + (t)) || ((b2) > (b1) + (t))) | 129 | #define IDE_LARGE_SEEK(b1,b2,t) (((b1) > (b2) + (t)) || ((b2) > (b1) + (t))) |
130 | 130 | ||
131 | /* | 131 | /* |
132 | * Timeouts for various operations: | 132 | * Timeouts for various operations: |
133 | */ | 133 | */ |
134 | #define WAIT_DRQ (HZ/10) /* 100msec - spec allows up to 20ms */ | 134 | #define WAIT_DRQ (HZ/10) /* 100msec - spec allows up to 20ms */ |
135 | #define WAIT_READY (5*HZ) /* 5sec - some laptops are very slow */ | 135 | #define WAIT_READY (5*HZ) /* 5sec - some laptops are very slow */ |
136 | #define WAIT_PIDENTIFY (10*HZ) /* 10sec - should be less than 3ms (?), if all ATAPI CD is closed at boot */ | 136 | #define WAIT_PIDENTIFY (10*HZ) /* 10sec - should be less than 3ms (?), if all ATAPI CD is closed at boot */ |
137 | #define WAIT_WORSTCASE (30*HZ) /* 30sec - worst case when spinning up */ | 137 | #define WAIT_WORSTCASE (30*HZ) /* 30sec - worst case when spinning up */ |
138 | #define WAIT_CMD (10*HZ) /* 10sec - maximum wait for an IRQ to happen */ | 138 | #define WAIT_CMD (10*HZ) /* 10sec - maximum wait for an IRQ to happen */ |
139 | #define WAIT_MIN_SLEEP (2*HZ/100) /* 20msec - minimum sleep time */ | 139 | #define WAIT_MIN_SLEEP (2*HZ/100) /* 20msec - minimum sleep time */ |
140 | 140 | ||
141 | /* | 141 | /* |
142 | * Op codes for special requests to be handled by ide_special_rq(). | 142 | * Op codes for special requests to be handled by ide_special_rq(). |
143 | * Values should be in the range of 0x20 to 0x3f. | 143 | * Values should be in the range of 0x20 to 0x3f. |
144 | */ | 144 | */ |
145 | #define REQ_DRIVE_RESET 0x20 | 145 | #define REQ_DRIVE_RESET 0x20 |
146 | 146 | ||
147 | /* | 147 | /* |
148 | * Check for an interrupt and acknowledge the interrupt status | 148 | * Check for an interrupt and acknowledge the interrupt status |
149 | */ | 149 | */ |
150 | struct hwif_s; | 150 | struct hwif_s; |
151 | typedef int (ide_ack_intr_t)(struct hwif_s *); | 151 | typedef int (ide_ack_intr_t)(struct hwif_s *); |
152 | 152 | ||
153 | /* | 153 | /* |
154 | * hwif_chipset_t is used to keep track of the specific hardware | 154 | * hwif_chipset_t is used to keep track of the specific hardware |
155 | * chipset used by each IDE interface, if known. | 155 | * chipset used by each IDE interface, if known. |
156 | */ | 156 | */ |
157 | enum { ide_unknown, ide_generic, ide_pci, | 157 | enum { ide_unknown, ide_generic, ide_pci, |
158 | ide_cmd640, ide_dtc2278, ide_ali14xx, | 158 | ide_cmd640, ide_dtc2278, ide_ali14xx, |
159 | ide_qd65xx, ide_umc8672, ide_ht6560b, | 159 | ide_qd65xx, ide_umc8672, ide_ht6560b, |
160 | ide_rz1000, ide_trm290, | 160 | ide_rz1000, ide_trm290, |
161 | ide_cmd646, ide_cy82c693, ide_4drives, | 161 | ide_cmd646, ide_cy82c693, ide_4drives, |
162 | ide_pmac, ide_acorn, | 162 | ide_pmac, ide_acorn, |
163 | ide_au1xxx, ide_palm3710 | 163 | ide_au1xxx, ide_palm3710 |
164 | }; | 164 | }; |
165 | 165 | ||
166 | typedef u8 hwif_chipset_t; | 166 | typedef u8 hwif_chipset_t; |
167 | 167 | ||
168 | /* | 168 | /* |
169 | * Structure to hold all information about the location of this port | 169 | * Structure to hold all information about the location of this port |
170 | */ | 170 | */ |
171 | typedef struct hw_regs_s { | 171 | typedef struct hw_regs_s { |
172 | union { | 172 | union { |
173 | struct ide_io_ports io_ports; | 173 | struct ide_io_ports io_ports; |
174 | unsigned long io_ports_array[IDE_NR_PORTS]; | 174 | unsigned long io_ports_array[IDE_NR_PORTS]; |
175 | }; | 175 | }; |
176 | 176 | ||
177 | int irq; /* our irq number */ | 177 | int irq; /* our irq number */ |
178 | ide_ack_intr_t *ack_intr; /* acknowledge interrupt */ | 178 | ide_ack_intr_t *ack_intr; /* acknowledge interrupt */ |
179 | hwif_chipset_t chipset; | 179 | hwif_chipset_t chipset; |
180 | struct device *dev, *parent; | 180 | struct device *dev, *parent; |
181 | unsigned long config; | 181 | unsigned long config; |
182 | } hw_regs_t; | 182 | } hw_regs_t; |
183 | 183 | ||
184 | void ide_init_port_data(struct hwif_s *, unsigned int); | 184 | void ide_init_port_data(struct hwif_s *, unsigned int); |
185 | void ide_init_port_hw(struct hwif_s *, hw_regs_t *); | 185 | void ide_init_port_hw(struct hwif_s *, hw_regs_t *); |
186 | 186 | ||
187 | static inline void ide_std_init_ports(hw_regs_t *hw, | 187 | static inline void ide_std_init_ports(hw_regs_t *hw, |
188 | unsigned long io_addr, | 188 | unsigned long io_addr, |
189 | unsigned long ctl_addr) | 189 | unsigned long ctl_addr) |
190 | { | 190 | { |
191 | unsigned int i; | 191 | unsigned int i; |
192 | 192 | ||
193 | for (i = 0; i <= 7; i++) | 193 | for (i = 0; i <= 7; i++) |
194 | hw->io_ports_array[i] = io_addr++; | 194 | hw->io_ports_array[i] = io_addr++; |
195 | 195 | ||
196 | hw->io_ports.ctl_addr = ctl_addr; | 196 | hw->io_ports.ctl_addr = ctl_addr; |
197 | } | 197 | } |
198 | 198 | ||
199 | /* for IDE PCI controllers in legacy mode, temporary */ | 199 | /* for IDE PCI controllers in legacy mode, temporary */ |
200 | static inline int __ide_default_irq(unsigned long base) | 200 | static inline int __ide_default_irq(unsigned long base) |
201 | { | 201 | { |
202 | switch (base) { | 202 | switch (base) { |
203 | #ifdef CONFIG_IA64 | 203 | #ifdef CONFIG_IA64 |
204 | case 0x1f0: return isa_irq_to_vector(14); | 204 | case 0x1f0: return isa_irq_to_vector(14); |
205 | case 0x170: return isa_irq_to_vector(15); | 205 | case 0x170: return isa_irq_to_vector(15); |
206 | #else | 206 | #else |
207 | case 0x1f0: return 14; | 207 | case 0x1f0: return 14; |
208 | case 0x170: return 15; | 208 | case 0x170: return 15; |
209 | #endif | 209 | #endif |
210 | } | 210 | } |
211 | return 0; | 211 | return 0; |
212 | } | 212 | } |
213 | 213 | ||
214 | #if defined(CONFIG_ARM) || defined(CONFIG_FRV) || defined(CONFIG_M68K) || \ | 214 | #if defined(CONFIG_ARM) || defined(CONFIG_FRV) || defined(CONFIG_M68K) || \ |
215 | defined(CONFIG_MIPS) || defined(CONFIG_MN10300) || defined(CONFIG_PARISC) \ | 215 | defined(CONFIG_MIPS) || defined(CONFIG_MN10300) || defined(CONFIG_PARISC) \ |
216 | || defined(CONFIG_PPC) || defined(CONFIG_SPARC) || defined(CONFIG_SPARC64) | 216 | || defined(CONFIG_PPC) || defined(CONFIG_SPARC) || defined(CONFIG_SPARC64) |
217 | #include <asm/ide.h> | 217 | #include <asm/ide.h> |
218 | #else | 218 | #else |
219 | #include <asm-generic/ide_iops.h> | 219 | #include <asm-generic/ide_iops.h> |
220 | #endif | 220 | #endif |
221 | 221 | ||
222 | #define MAX_HWIFS 10 | 222 | #define MAX_HWIFS 10 |
223 | 223 | ||
224 | /* Currently only m68k, apus and m8xx need it */ | 224 | /* Currently only m68k, apus and m8xx need it */ |
225 | #ifndef IDE_ARCH_ACK_INTR | 225 | #ifndef IDE_ARCH_ACK_INTR |
226 | # define ide_ack_intr(hwif) (1) | 226 | # define ide_ack_intr(hwif) (1) |
227 | #endif | 227 | #endif |
228 | 228 | ||
229 | /* Currently only Atari needs it */ | 229 | /* Currently only Atari needs it */ |
230 | #ifndef IDE_ARCH_LOCK | 230 | #ifndef IDE_ARCH_LOCK |
231 | # define ide_release_lock() do {} while (0) | 231 | # define ide_release_lock() do {} while (0) |
232 | # define ide_get_lock(hdlr, data) do {} while (0) | 232 | # define ide_get_lock(hdlr, data) do {} while (0) |
233 | #endif /* IDE_ARCH_LOCK */ | 233 | #endif /* IDE_ARCH_LOCK */ |
234 | 234 | ||
235 | /* | 235 | /* |
236 | * Now for the data we need to maintain per-drive: ide_drive_t | 236 | * Now for the data we need to maintain per-drive: ide_drive_t |
237 | */ | 237 | */ |
238 | 238 | ||
239 | #define ide_scsi 0x21 | 239 | #define ide_scsi 0x21 |
240 | #define ide_disk 0x20 | 240 | #define ide_disk 0x20 |
241 | #define ide_optical 0x7 | 241 | #define ide_optical 0x7 |
242 | #define ide_cdrom 0x5 | 242 | #define ide_cdrom 0x5 |
243 | #define ide_tape 0x1 | 243 | #define ide_tape 0x1 |
244 | #define ide_floppy 0x0 | 244 | #define ide_floppy 0x0 |
245 | 245 | ||
246 | /* | 246 | /* |
247 | * Special Driver Flags | 247 | * Special Driver Flags |
248 | * | 248 | * |
249 | * set_geometry : respecify drive geometry | 249 | * set_geometry : respecify drive geometry |
250 | * recalibrate : seek to cyl 0 | 250 | * recalibrate : seek to cyl 0 |
251 | * set_multmode : set multmode count | 251 | * set_multmode : set multmode count |
252 | * set_tune : tune interface for drive | 252 | * set_tune : tune interface for drive |
253 | * serviced : service command | 253 | * serviced : service command |
254 | * reserved : unused | 254 | * reserved : unused |
255 | */ | 255 | */ |
256 | typedef union { | 256 | typedef union { |
257 | unsigned all : 8; | 257 | unsigned all : 8; |
258 | struct { | 258 | struct { |
259 | unsigned set_geometry : 1; | 259 | unsigned set_geometry : 1; |
260 | unsigned recalibrate : 1; | 260 | unsigned recalibrate : 1; |
261 | unsigned set_multmode : 1; | 261 | unsigned set_multmode : 1; |
262 | unsigned set_tune : 1; | 262 | unsigned set_tune : 1; |
263 | unsigned serviced : 1; | 263 | unsigned serviced : 1; |
264 | unsigned reserved : 3; | 264 | unsigned reserved : 3; |
265 | } b; | 265 | } b; |
266 | } special_t; | 266 | } special_t; |
267 | 267 | ||
268 | /* | 268 | /* |
269 | * ATA-IDE Select Register, aka Device-Head | 269 | * ATA-IDE Select Register, aka Device-Head |
270 | * | 270 | * |
271 | * head : always zeros here | 271 | * head : always zeros here |
272 | * unit : drive select number: 0/1 | 272 | * unit : drive select number: 0/1 |
273 | * bit5 : always 1 | 273 | * bit5 : always 1 |
274 | * lba : using LBA instead of CHS | 274 | * lba : using LBA instead of CHS |
275 | * bit7 : always 1 | 275 | * bit7 : always 1 |
276 | */ | 276 | */ |
277 | typedef union { | 277 | typedef union { |
278 | unsigned all : 8; | 278 | unsigned all : 8; |
279 | struct { | 279 | struct { |
280 | #if defined(__LITTLE_ENDIAN_BITFIELD) | 280 | #if defined(__LITTLE_ENDIAN_BITFIELD) |
281 | unsigned head : 4; | 281 | unsigned head : 4; |
282 | unsigned unit : 1; | 282 | unsigned unit : 1; |
283 | unsigned bit5 : 1; | 283 | unsigned bit5 : 1; |
284 | unsigned lba : 1; | 284 | unsigned lba : 1; |
285 | unsigned bit7 : 1; | 285 | unsigned bit7 : 1; |
286 | #elif defined(__BIG_ENDIAN_BITFIELD) | 286 | #elif defined(__BIG_ENDIAN_BITFIELD) |
287 | unsigned bit7 : 1; | 287 | unsigned bit7 : 1; |
288 | unsigned lba : 1; | 288 | unsigned lba : 1; |
289 | unsigned bit5 : 1; | 289 | unsigned bit5 : 1; |
290 | unsigned unit : 1; | 290 | unsigned unit : 1; |
291 | unsigned head : 4; | 291 | unsigned head : 4; |
292 | #else | 292 | #else |
293 | #error "Please fix <asm/byteorder.h>" | 293 | #error "Please fix <asm/byteorder.h>" |
294 | #endif | 294 | #endif |
295 | } b; | 295 | } b; |
296 | } select_t, ata_select_t; | 296 | } select_t, ata_select_t; |
297 | 297 | ||
298 | /* | 298 | /* |
299 | * Status returned from various ide_ functions | 299 | * Status returned from various ide_ functions |
300 | */ | 300 | */ |
301 | typedef enum { | 301 | typedef enum { |
302 | ide_stopped, /* no drive operation was started */ | 302 | ide_stopped, /* no drive operation was started */ |
303 | ide_started, /* a drive operation was started, handler was set */ | 303 | ide_started, /* a drive operation was started, handler was set */ |
304 | } ide_startstop_t; | 304 | } ide_startstop_t; |
305 | 305 | ||
306 | struct ide_driver_s; | 306 | struct ide_driver_s; |
307 | struct ide_settings_s; | 307 | struct ide_settings_s; |
308 | 308 | ||
309 | #ifdef CONFIG_BLK_DEV_IDEACPI | 309 | #ifdef CONFIG_BLK_DEV_IDEACPI |
310 | struct ide_acpi_drive_link; | 310 | struct ide_acpi_drive_link; |
311 | struct ide_acpi_hwif_link; | 311 | struct ide_acpi_hwif_link; |
312 | #endif | 312 | #endif |
313 | 313 | ||
314 | /* ATAPI device flags */ | 314 | /* ATAPI device flags */ |
315 | enum { | 315 | enum { |
316 | IDE_AFLAG_DRQ_INTERRUPT = (1 << 0), | 316 | IDE_AFLAG_DRQ_INTERRUPT = (1 << 0), |
317 | IDE_AFLAG_MEDIA_CHANGED = (1 << 1), | 317 | IDE_AFLAG_MEDIA_CHANGED = (1 << 1), |
318 | 318 | ||
319 | /* ide-cd */ | 319 | /* ide-cd */ |
320 | /* Drive cannot lock the door. */ | 320 | /* Drive cannot lock the door. */ |
321 | IDE_AFLAG_NO_DOORLOCK = (1 << 2), | 321 | IDE_AFLAG_NO_DOORLOCK = (1 << 2), |
322 | /* Drive cannot eject the disc. */ | 322 | /* Drive cannot eject the disc. */ |
323 | IDE_AFLAG_NO_EJECT = (1 << 3), | 323 | IDE_AFLAG_NO_EJECT = (1 << 3), |
324 | /* Drive is a pre ATAPI 1.2 drive. */ | 324 | /* Drive is a pre ATAPI 1.2 drive. */ |
325 | IDE_AFLAG_PRE_ATAPI12 = (1 << 4), | 325 | IDE_AFLAG_PRE_ATAPI12 = (1 << 4), |
326 | /* TOC addresses are in BCD. */ | 326 | /* TOC addresses are in BCD. */ |
327 | IDE_AFLAG_TOCADDR_AS_BCD = (1 << 5), | 327 | IDE_AFLAG_TOCADDR_AS_BCD = (1 << 5), |
328 | /* TOC track numbers are in BCD. */ | 328 | /* TOC track numbers are in BCD. */ |
329 | IDE_AFLAG_TOCTRACKS_AS_BCD = (1 << 6), | 329 | IDE_AFLAG_TOCTRACKS_AS_BCD = (1 << 6), |
330 | /* | 330 | /* |
331 | * Drive does not provide data in multiples of SECTOR_SIZE | 331 | * Drive does not provide data in multiples of SECTOR_SIZE |
332 | * when more than one interrupt is needed. | 332 | * when more than one interrupt is needed. |
333 | */ | 333 | */ |
334 | IDE_AFLAG_LIMIT_NFRAMES = (1 << 7), | 334 | IDE_AFLAG_LIMIT_NFRAMES = (1 << 7), |
335 | /* Seeking in progress. */ | 335 | /* Seeking in progress. */ |
336 | IDE_AFLAG_SEEKING = (1 << 8), | 336 | IDE_AFLAG_SEEKING = (1 << 8), |
337 | /* Saved TOC information is current. */ | 337 | /* Saved TOC information is current. */ |
338 | IDE_AFLAG_TOC_VALID = (1 << 9), | 338 | IDE_AFLAG_TOC_VALID = (1 << 9), |
339 | /* We think that the drive door is locked. */ | 339 | /* We think that the drive door is locked. */ |
340 | IDE_AFLAG_DOOR_LOCKED = (1 << 10), | 340 | IDE_AFLAG_DOOR_LOCKED = (1 << 10), |
341 | /* SET_CD_SPEED command is unsupported. */ | 341 | /* SET_CD_SPEED command is unsupported. */ |
342 | IDE_AFLAG_NO_SPEED_SELECT = (1 << 11), | 342 | IDE_AFLAG_NO_SPEED_SELECT = (1 << 11), |
343 | IDE_AFLAG_VERTOS_300_SSD = (1 << 12), | 343 | IDE_AFLAG_VERTOS_300_SSD = (1 << 12), |
344 | IDE_AFLAG_VERTOS_600_ESD = (1 << 13), | 344 | IDE_AFLAG_VERTOS_600_ESD = (1 << 13), |
345 | IDE_AFLAG_SANYO_3CD = (1 << 14), | 345 | IDE_AFLAG_SANYO_3CD = (1 << 14), |
346 | IDE_AFLAG_FULL_CAPS_PAGE = (1 << 15), | 346 | IDE_AFLAG_FULL_CAPS_PAGE = (1 << 15), |
347 | IDE_AFLAG_PLAY_AUDIO_OK = (1 << 16), | 347 | IDE_AFLAG_PLAY_AUDIO_OK = (1 << 16), |
348 | IDE_AFLAG_LE_SPEED_FIELDS = (1 << 17), | 348 | IDE_AFLAG_LE_SPEED_FIELDS = (1 << 17), |
349 | 349 | ||
350 | /* ide-floppy */ | 350 | /* ide-floppy */ |
351 | /* Format in progress */ | 351 | /* Format in progress */ |
352 | IDE_AFLAG_FORMAT_IN_PROGRESS = (1 << 18), | 352 | IDE_AFLAG_FORMAT_IN_PROGRESS = (1 << 18), |
353 | /* Avoid commands not supported in Clik drive */ | 353 | /* Avoid commands not supported in Clik drive */ |
354 | IDE_AFLAG_CLIK_DRIVE = (1 << 19), | 354 | IDE_AFLAG_CLIK_DRIVE = (1 << 19), |
355 | /* Requires BH algorithm for packets */ | 355 | /* Requires BH algorithm for packets */ |
356 | IDE_AFLAG_ZIP_DRIVE = (1 << 20), | 356 | IDE_AFLAG_ZIP_DRIVE = (1 << 20), |
357 | 357 | ||
358 | /* ide-tape */ | 358 | /* ide-tape */ |
359 | IDE_AFLAG_IGNORE_DSC = (1 << 21), | 359 | IDE_AFLAG_IGNORE_DSC = (1 << 21), |
360 | /* 0 When the tape position is unknown */ | 360 | /* 0 When the tape position is unknown */ |
361 | IDE_AFLAG_ADDRESS_VALID = (1 << 22), | 361 | IDE_AFLAG_ADDRESS_VALID = (1 << 22), |
362 | /* Device already opened */ | 362 | /* Device already opened */ |
363 | IDE_AFLAG_BUSY = (1 << 23), | 363 | IDE_AFLAG_BUSY = (1 << 23), |
364 | /* Attempt to auto-detect the current user block size */ | 364 | /* Attempt to auto-detect the current user block size */ |
365 | IDE_AFLAG_DETECT_BS = (1 << 24), | 365 | IDE_AFLAG_DETECT_BS = (1 << 24), |
366 | /* Currently on a filemark */ | 366 | /* Currently on a filemark */ |
367 | IDE_AFLAG_FILEMARK = (1 << 25), | 367 | IDE_AFLAG_FILEMARK = (1 << 25), |
368 | /* 0 = no tape is loaded, so we don't rewind after ejecting */ | 368 | /* 0 = no tape is loaded, so we don't rewind after ejecting */ |
369 | IDE_AFLAG_MEDIUM_PRESENT = (1 << 26) | 369 | IDE_AFLAG_MEDIUM_PRESENT = (1 << 26) |
370 | }; | 370 | }; |
371 | 371 | ||
372 | struct ide_drive_s { | 372 | struct ide_drive_s { |
373 | char name[4]; /* drive name, such as "hda" */ | 373 | char name[4]; /* drive name, such as "hda" */ |
374 | char driver_req[10]; /* requests specific driver */ | 374 | char driver_req[10]; /* requests specific driver */ |
375 | 375 | ||
376 | struct request_queue *queue; /* request queue */ | 376 | struct request_queue *queue; /* request queue */ |
377 | 377 | ||
378 | struct request *rq; /* current request */ | 378 | struct request *rq; /* current request */ |
379 | struct ide_drive_s *next; /* circular list of hwgroup drives */ | 379 | struct ide_drive_s *next; /* circular list of hwgroup drives */ |
380 | void *driver_data; /* extra driver data */ | 380 | void *driver_data; /* extra driver data */ |
381 | struct hd_driveid *id; /* drive model identification info */ | 381 | struct hd_driveid *id; /* drive model identification info */ |
382 | #ifdef CONFIG_IDE_PROC_FS | 382 | #ifdef CONFIG_IDE_PROC_FS |
383 | struct proc_dir_entry *proc; /* /proc/ide/ directory entry */ | 383 | struct proc_dir_entry *proc; /* /proc/ide/ directory entry */ |
384 | struct ide_settings_s *settings;/* /proc/ide/ drive settings */ | 384 | struct ide_settings_s *settings;/* /proc/ide/ drive settings */ |
385 | #endif | 385 | #endif |
386 | struct hwif_s *hwif; /* actually (ide_hwif_t *) */ | 386 | struct hwif_s *hwif; /* actually (ide_hwif_t *) */ |
387 | 387 | ||
388 | unsigned long sleep; /* sleep until this time */ | 388 | unsigned long sleep; /* sleep until this time */ |
389 | unsigned long service_start; /* time we started last request */ | 389 | unsigned long service_start; /* time we started last request */ |
390 | unsigned long service_time; /* service time of last request */ | 390 | unsigned long service_time; /* service time of last request */ |
391 | unsigned long timeout; /* max time to wait for irq */ | 391 | unsigned long timeout; /* max time to wait for irq */ |
392 | 392 | ||
393 | special_t special; /* special action flags */ | 393 | special_t special; /* special action flags */ |
394 | select_t select; /* basic drive/head select reg value */ | 394 | select_t select; /* basic drive/head select reg value */ |
395 | 395 | ||
396 | u8 keep_settings; /* restore settings after drive reset */ | 396 | u8 keep_settings; /* restore settings after drive reset */ |
397 | u8 using_dma; /* disk is using dma for read/write */ | 397 | u8 using_dma; /* disk is using dma for read/write */ |
398 | u8 retry_pio; /* retrying dma capable host in pio */ | 398 | u8 retry_pio; /* retrying dma capable host in pio */ |
399 | u8 state; /* retry state */ | 399 | u8 state; /* retry state */ |
400 | u8 waiting_for_dma; /* dma currently in progress */ | 400 | u8 waiting_for_dma; /* dma currently in progress */ |
401 | u8 unmask; /* okay to unmask other irqs */ | 401 | u8 unmask; /* okay to unmask other irqs */ |
402 | u8 noflush; /* don't attempt flushes */ | 402 | u8 noflush; /* don't attempt flushes */ |
403 | u8 dsc_overlap; /* DSC overlap */ | 403 | u8 dsc_overlap; /* DSC overlap */ |
404 | u8 nice1; /* give potential excess bandwidth */ | 404 | u8 nice1; /* give potential excess bandwidth */ |
405 | 405 | ||
406 | unsigned present : 1; /* drive is physically present */ | 406 | unsigned present : 1; /* drive is physically present */ |
407 | unsigned dead : 1; /* device ejected hint */ | 407 | unsigned dead : 1; /* device ejected hint */ |
408 | unsigned id_read : 1; /* 1=id read from disk 0 = synthetic */ | 408 | unsigned id_read : 1; /* 1=id read from disk 0 = synthetic */ |
409 | unsigned noprobe : 1; /* from: hdx=noprobe */ | 409 | unsigned noprobe : 1; /* from: hdx=noprobe */ |
410 | unsigned removable : 1; /* 1 if need to do check_media_change */ | 410 | unsigned removable : 1; /* 1 if need to do check_media_change */ |
411 | unsigned attach : 1; /* needed for removable devices */ | 411 | unsigned attach : 1; /* needed for removable devices */ |
412 | unsigned forced_geom : 1; /* 1 if hdx=c,h,s was given at boot */ | 412 | unsigned forced_geom : 1; /* 1 if hdx=c,h,s was given at boot */ |
413 | unsigned no_unmask : 1; /* disallow setting unmask bit */ | 413 | unsigned no_unmask : 1; /* disallow setting unmask bit */ |
414 | unsigned no_io_32bit : 1; /* disallow enabling 32bit I/O */ | 414 | unsigned no_io_32bit : 1; /* disallow enabling 32bit I/O */ |
415 | unsigned atapi_overlap : 1; /* ATAPI overlap (not supported) */ | 415 | unsigned atapi_overlap : 1; /* ATAPI overlap (not supported) */ |
416 | unsigned doorlocking : 1; /* for removable only: door lock/unlock works */ | 416 | unsigned doorlocking : 1; /* for removable only: door lock/unlock works */ |
417 | unsigned nodma : 1; /* disallow DMA */ | 417 | unsigned nodma : 1; /* disallow DMA */ |
418 | unsigned remap_0_to_1 : 1; /* 0=noremap, 1=remap 0->1 (for EZDrive) */ | 418 | unsigned remap_0_to_1 : 1; /* 0=noremap, 1=remap 0->1 (for EZDrive) */ |
419 | unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */ | 419 | unsigned blocked : 1; /* 1=powermanagment told us not to do anything, so sleep nicely */ |
420 | unsigned scsi : 1; /* 0=default, 1=ide-scsi emulation */ | 420 | unsigned scsi : 1; /* 0=default, 1=ide-scsi emulation */ |
421 | unsigned sleeping : 1; /* 1=sleeping & sleep field valid */ | 421 | unsigned sleeping : 1; /* 1=sleeping & sleep field valid */ |
422 | unsigned post_reset : 1; | 422 | unsigned post_reset : 1; |
423 | unsigned udma33_warned : 1; | 423 | unsigned udma33_warned : 1; |
424 | 424 | ||
425 | u8 addressing; /* 0=28-bit, 1=48-bit, 2=48-bit doing 28-bit */ | 425 | u8 addressing; /* 0=28-bit, 1=48-bit, 2=48-bit doing 28-bit */ |
426 | u8 quirk_list; /* considered quirky, set for a specific host */ | 426 | u8 quirk_list; /* considered quirky, set for a specific host */ |
427 | u8 init_speed; /* transfer rate set at boot */ | 427 | u8 init_speed; /* transfer rate set at boot */ |
428 | u8 current_speed; /* current transfer rate set */ | 428 | u8 current_speed; /* current transfer rate set */ |
429 | u8 desired_speed; /* desired transfer rate set */ | 429 | u8 desired_speed; /* desired transfer rate set */ |
430 | u8 dn; /* now wide spread use */ | 430 | u8 dn; /* now wide spread use */ |
431 | u8 wcache; /* status of write cache */ | 431 | u8 wcache; /* status of write cache */ |
432 | u8 acoustic; /* acoustic management */ | 432 | u8 acoustic; /* acoustic management */ |
433 | u8 media; /* disk, cdrom, tape, floppy, ... */ | 433 | u8 media; /* disk, cdrom, tape, floppy, ... */ |
434 | u8 ready_stat; /* min status value for drive ready */ | 434 | u8 ready_stat; /* min status value for drive ready */ |
435 | u8 mult_count; /* current multiple sector setting */ | 435 | u8 mult_count; /* current multiple sector setting */ |
436 | u8 mult_req; /* requested multiple sector setting */ | 436 | u8 mult_req; /* requested multiple sector setting */ |
437 | u8 tune_req; /* requested drive tuning setting */ | 437 | u8 tune_req; /* requested drive tuning setting */ |
438 | u8 io_32bit; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */ | 438 | u8 io_32bit; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */ |
439 | u8 bad_wstat; /* used for ignoring WRERR_STAT */ | 439 | u8 bad_wstat; /* used for ignoring WRERR_STAT */ |
440 | u8 nowerr; /* used for ignoring WRERR_STAT */ | 440 | u8 nowerr; /* used for ignoring WRERR_STAT */ |
441 | u8 sect0; /* offset of first sector for DM6:DDO */ | 441 | u8 sect0; /* offset of first sector for DM6:DDO */ |
442 | u8 head; /* "real" number of heads */ | 442 | u8 head; /* "real" number of heads */ |
443 | u8 sect; /* "real" sectors per track */ | 443 | u8 sect; /* "real" sectors per track */ |
444 | u8 bios_head; /* BIOS/fdisk/LILO number of heads */ | 444 | u8 bios_head; /* BIOS/fdisk/LILO number of heads */ |
445 | u8 bios_sect; /* BIOS/fdisk/LILO sectors per track */ | 445 | u8 bios_sect; /* BIOS/fdisk/LILO sectors per track */ |
446 | 446 | ||
447 | unsigned int bios_cyl; /* BIOS/fdisk/LILO number of cyls */ | 447 | unsigned int bios_cyl; /* BIOS/fdisk/LILO number of cyls */ |
448 | unsigned int cyl; /* "real" number of cyls */ | 448 | unsigned int cyl; /* "real" number of cyls */ |
449 | unsigned int drive_data; /* used by set_pio_mode/selectproc */ | 449 | unsigned int drive_data; /* used by set_pio_mode/selectproc */ |
450 | unsigned int failures; /* current failure count */ | 450 | unsigned int failures; /* current failure count */ |
451 | unsigned int max_failures; /* maximum allowed failure count */ | 451 | unsigned int max_failures; /* maximum allowed failure count */ |
452 | u64 probed_capacity;/* initial reported media capacity (ide-cd only currently) */ | 452 | u64 probed_capacity;/* initial reported media capacity (ide-cd only currently) */ |
453 | 453 | ||
454 | u64 capacity64; /* total number of sectors */ | 454 | u64 capacity64; /* total number of sectors */ |
455 | 455 | ||
456 | int lun; /* logical unit */ | 456 | int lun; /* logical unit */ |
457 | int crc_count; /* crc counter to reduce drive speed */ | 457 | int crc_count; /* crc counter to reduce drive speed */ |
458 | #ifdef CONFIG_BLK_DEV_IDEACPI | 458 | #ifdef CONFIG_BLK_DEV_IDEACPI |
459 | struct ide_acpi_drive_link *acpidata; | 459 | struct ide_acpi_drive_link *acpidata; |
460 | #endif | 460 | #endif |
461 | struct list_head list; | 461 | struct list_head list; |
462 | struct device gendev; | 462 | struct device gendev; |
463 | struct completion gendev_rel_comp; /* to deal with device release() */ | 463 | struct completion gendev_rel_comp; /* to deal with device release() */ |
464 | 464 | ||
465 | /* callback for packet commands */ | 465 | /* callback for packet commands */ |
466 | void (*pc_callback)(struct ide_drive_s *); | 466 | void (*pc_callback)(struct ide_drive_s *); |
467 | 467 | ||
468 | unsigned long atapi_flags; | 468 | unsigned long atapi_flags; |
469 | }; | 469 | }; |
470 | 470 | ||
471 | typedef struct ide_drive_s ide_drive_t; | 471 | typedef struct ide_drive_s ide_drive_t; |
472 | 472 | ||
473 | #define to_ide_device(dev)container_of(dev, ide_drive_t, gendev) | 473 | #define to_ide_device(dev)container_of(dev, ide_drive_t, gendev) |
474 | 474 | ||
475 | #define IDE_CHIPSET_PCI_MASK \ | 475 | #define IDE_CHIPSET_PCI_MASK \ |
476 | ((1<<ide_pci)|(1<<ide_cmd646)|(1<<ide_ali14xx)) | 476 | ((1<<ide_pci)|(1<<ide_cmd646)|(1<<ide_ali14xx)) |
477 | #define IDE_CHIPSET_IS_PCI(c) ((IDE_CHIPSET_PCI_MASK >> (c)) & 1) | 477 | #define IDE_CHIPSET_IS_PCI(c) ((IDE_CHIPSET_PCI_MASK >> (c)) & 1) |
478 | 478 | ||
479 | struct ide_task_s; | 479 | struct ide_task_s; |
480 | struct ide_port_info; | 480 | struct ide_port_info; |
481 | 481 | ||
482 | struct ide_tp_ops { | 482 | struct ide_tp_ops { |
483 | void (*exec_command)(struct hwif_s *, u8); | 483 | void (*exec_command)(struct hwif_s *, u8); |
484 | u8 (*read_status)(struct hwif_s *); | 484 | u8 (*read_status)(struct hwif_s *); |
485 | u8 (*read_altstatus)(struct hwif_s *); | 485 | u8 (*read_altstatus)(struct hwif_s *); |
486 | u8 (*read_sff_dma_status)(struct hwif_s *); | 486 | u8 (*read_sff_dma_status)(struct hwif_s *); |
487 | 487 | ||
488 | void (*set_irq)(struct hwif_s *, int); | 488 | void (*set_irq)(struct hwif_s *, int); |
489 | 489 | ||
490 | void (*tf_load)(ide_drive_t *, struct ide_task_s *); | 490 | void (*tf_load)(ide_drive_t *, struct ide_task_s *); |
491 | void (*tf_read)(ide_drive_t *, struct ide_task_s *); | 491 | void (*tf_read)(ide_drive_t *, struct ide_task_s *); |
492 | 492 | ||
493 | void (*input_data)(ide_drive_t *, struct request *, void *, | 493 | void (*input_data)(ide_drive_t *, struct request *, void *, |
494 | unsigned int); | 494 | unsigned int); |
495 | void (*output_data)(ide_drive_t *, struct request *, void *, | 495 | void (*output_data)(ide_drive_t *, struct request *, void *, |
496 | unsigned int); | 496 | unsigned int); |
497 | }; | 497 | }; |
498 | 498 | ||
499 | extern const struct ide_tp_ops default_tp_ops; | 499 | extern const struct ide_tp_ops default_tp_ops; |
500 | 500 | ||
501 | /** | 501 | /** |
502 | * struct ide_port_ops - IDE port operations | 502 | * struct ide_port_ops - IDE port operations |
503 | * | 503 | * |
504 | * @init_dev: host specific initialization of a device | 504 | * @init_dev: host specific initialization of a device |
505 | * @set_pio_mode: routine to program host for PIO mode | 505 | * @set_pio_mode: routine to program host for PIO mode |
506 | * @set_dma_mode: routine to program host for DMA mode | 506 | * @set_dma_mode: routine to program host for DMA mode |
507 | * @selectproc: tweaks hardware to select drive | 507 | * @selectproc: tweaks hardware to select drive |
508 | * @reset_poll: chipset polling based on hba specifics | 508 | * @reset_poll: chipset polling based on hba specifics |
509 | * @pre_reset: chipset specific changes to default for device-hba resets | 509 | * @pre_reset: chipset specific changes to default for device-hba resets |
510 | * @resetproc: routine to reset controller after a disk reset | 510 | * @resetproc: routine to reset controller after a disk reset |
511 | * @maskproc: special host masking for drive selection | 511 | * @maskproc: special host masking for drive selection |
512 | * @quirkproc: check host's drive quirk list | 512 | * @quirkproc: check host's drive quirk list |
513 | * | 513 | * |
514 | * @mdma_filter: filter MDMA modes | 514 | * @mdma_filter: filter MDMA modes |
515 | * @udma_filter: filter UDMA modes | 515 | * @udma_filter: filter UDMA modes |
516 | * | 516 | * |
517 | * @cable_detect: detect cable type | 517 | * @cable_detect: detect cable type |
518 | */ | 518 | */ |
519 | struct ide_port_ops { | 519 | struct ide_port_ops { |
520 | void (*init_dev)(ide_drive_t *); | 520 | void (*init_dev)(ide_drive_t *); |
521 | void (*set_pio_mode)(ide_drive_t *, const u8); | 521 | void (*set_pio_mode)(ide_drive_t *, const u8); |
522 | void (*set_dma_mode)(ide_drive_t *, const u8); | 522 | void (*set_dma_mode)(ide_drive_t *, const u8); |
523 | void (*selectproc)(ide_drive_t *); | 523 | void (*selectproc)(ide_drive_t *); |
524 | int (*reset_poll)(ide_drive_t *); | 524 | int (*reset_poll)(ide_drive_t *); |
525 | void (*pre_reset)(ide_drive_t *); | 525 | void (*pre_reset)(ide_drive_t *); |
526 | void (*resetproc)(ide_drive_t *); | 526 | void (*resetproc)(ide_drive_t *); |
527 | void (*maskproc)(ide_drive_t *, int); | 527 | void (*maskproc)(ide_drive_t *, int); |
528 | void (*quirkproc)(ide_drive_t *); | 528 | void (*quirkproc)(ide_drive_t *); |
529 | 529 | ||
530 | u8 (*mdma_filter)(ide_drive_t *); | 530 | u8 (*mdma_filter)(ide_drive_t *); |
531 | u8 (*udma_filter)(ide_drive_t *); | 531 | u8 (*udma_filter)(ide_drive_t *); |
532 | 532 | ||
533 | u8 (*cable_detect)(struct hwif_s *); | 533 | u8 (*cable_detect)(struct hwif_s *); |
534 | }; | 534 | }; |
535 | 535 | ||
536 | struct ide_dma_ops { | 536 | struct ide_dma_ops { |
537 | void (*dma_host_set)(struct ide_drive_s *, int); | 537 | void (*dma_host_set)(struct ide_drive_s *, int); |
538 | int (*dma_setup)(struct ide_drive_s *); | 538 | int (*dma_setup)(struct ide_drive_s *); |
539 | void (*dma_exec_cmd)(struct ide_drive_s *, u8); | 539 | void (*dma_exec_cmd)(struct ide_drive_s *, u8); |
540 | void (*dma_start)(struct ide_drive_s *); | 540 | void (*dma_start)(struct ide_drive_s *); |
541 | int (*dma_end)(struct ide_drive_s *); | 541 | int (*dma_end)(struct ide_drive_s *); |
542 | int (*dma_test_irq)(struct ide_drive_s *); | 542 | int (*dma_test_irq)(struct ide_drive_s *); |
543 | void (*dma_lost_irq)(struct ide_drive_s *); | 543 | void (*dma_lost_irq)(struct ide_drive_s *); |
544 | void (*dma_timeout)(struct ide_drive_s *); | 544 | void (*dma_timeout)(struct ide_drive_s *); |
545 | }; | 545 | }; |
546 | 546 | ||
547 | struct ide_host; | 547 | struct ide_host; |
548 | 548 | ||
549 | typedef struct hwif_s { | 549 | typedef struct hwif_s { |
550 | struct hwif_s *next; /* for linked-list in ide_hwgroup_t */ | 550 | struct hwif_s *next; /* for linked-list in ide_hwgroup_t */ |
551 | struct hwif_s *mate; /* other hwif from same PCI chip */ | 551 | struct hwif_s *mate; /* other hwif from same PCI chip */ |
552 | struct hwgroup_s *hwgroup; /* actually (ide_hwgroup_t *) */ | 552 | struct hwgroup_s *hwgroup; /* actually (ide_hwgroup_t *) */ |
553 | struct proc_dir_entry *proc; /* /proc/ide/ directory entry */ | 553 | struct proc_dir_entry *proc; /* /proc/ide/ directory entry */ |
554 | 554 | ||
555 | struct ide_host *host; | 555 | struct ide_host *host; |
556 | 556 | ||
557 | char name[6]; /* name of interface, eg. "ide0" */ | 557 | char name[6]; /* name of interface, eg. "ide0" */ |
558 | 558 | ||
559 | struct ide_io_ports io_ports; | 559 | struct ide_io_ports io_ports; |
560 | 560 | ||
561 | unsigned long sata_scr[SATA_NR_PORTS]; | 561 | unsigned long sata_scr[SATA_NR_PORTS]; |
562 | 562 | ||
563 | ide_drive_t drives[MAX_DRIVES]; /* drive info */ | 563 | ide_drive_t drives[MAX_DRIVES]; /* drive info */ |
564 | 564 | ||
565 | u8 major; /* our major number */ | 565 | u8 major; /* our major number */ |
566 | u8 index; /* 0 for ide0; 1 for ide1; ... */ | 566 | u8 index; /* 0 for ide0; 1 for ide1; ... */ |
567 | u8 channel; /* for dual-port chips: 0=primary, 1=secondary */ | 567 | u8 channel; /* for dual-port chips: 0=primary, 1=secondary */ |
568 | u8 bus_state; /* power state of the IDE bus */ | 568 | u8 bus_state; /* power state of the IDE bus */ |
569 | 569 | ||
570 | u32 host_flags; | 570 | u32 host_flags; |
571 | 571 | ||
572 | u8 pio_mask; | 572 | u8 pio_mask; |
573 | 573 | ||
574 | u8 ultra_mask; | 574 | u8 ultra_mask; |
575 | u8 mwdma_mask; | 575 | u8 mwdma_mask; |
576 | u8 swdma_mask; | 576 | u8 swdma_mask; |
577 | 577 | ||
578 | u8 cbl; /* cable type */ | 578 | u8 cbl; /* cable type */ |
579 | 579 | ||
580 | hwif_chipset_t chipset; /* sub-module for tuning.. */ | 580 | hwif_chipset_t chipset; /* sub-module for tuning.. */ |
581 | 581 | ||
582 | struct device *dev; | 582 | struct device *dev; |
583 | 583 | ||
584 | ide_ack_intr_t *ack_intr; | 584 | ide_ack_intr_t *ack_intr; |
585 | 585 | ||
586 | void (*rw_disk)(ide_drive_t *, struct request *); | 586 | void (*rw_disk)(ide_drive_t *, struct request *); |
587 | 587 | ||
588 | const struct ide_tp_ops *tp_ops; | 588 | const struct ide_tp_ops *tp_ops; |
589 | const struct ide_port_ops *port_ops; | 589 | const struct ide_port_ops *port_ops; |
590 | const struct ide_dma_ops *dma_ops; | 590 | const struct ide_dma_ops *dma_ops; |
591 | 591 | ||
592 | void (*ide_dma_clear_irq)(ide_drive_t *drive); | 592 | void (*ide_dma_clear_irq)(ide_drive_t *drive); |
593 | 593 | ||
594 | /* dma physical region descriptor table (cpu view) */ | 594 | /* dma physical region descriptor table (cpu view) */ |
595 | unsigned int *dmatable_cpu; | 595 | unsigned int *dmatable_cpu; |
596 | /* dma physical region descriptor table (dma view) */ | 596 | /* dma physical region descriptor table (dma view) */ |
597 | dma_addr_t dmatable_dma; | 597 | dma_addr_t dmatable_dma; |
598 | /* Scatter-gather list used to build the above */ | 598 | /* Scatter-gather list used to build the above */ |
599 | struct scatterlist *sg_table; | 599 | struct scatterlist *sg_table; |
600 | int sg_max_nents; /* Maximum number of entries in it */ | 600 | int sg_max_nents; /* Maximum number of entries in it */ |
601 | int sg_nents; /* Current number of entries in it */ | 601 | int sg_nents; /* Current number of entries in it */ |
602 | int sg_dma_direction; /* dma transfer direction */ | 602 | int sg_dma_direction; /* dma transfer direction */ |
603 | 603 | ||
604 | /* data phase of the active command (currently only valid for PIO/DMA) */ | 604 | /* data phase of the active command (currently only valid for PIO/DMA) */ |
605 | int data_phase; | 605 | int data_phase; |
606 | 606 | ||
607 | unsigned int nsect; | 607 | unsigned int nsect; |
608 | unsigned int nleft; | 608 | unsigned int nleft; |
609 | struct scatterlist *cursg; | 609 | struct scatterlist *cursg; |
610 | unsigned int cursg_ofs; | 610 | unsigned int cursg_ofs; |
611 | 611 | ||
612 | int rqsize; /* max sectors per request */ | 612 | int rqsize; /* max sectors per request */ |
613 | int irq; /* our irq number */ | 613 | int irq; /* our irq number */ |
614 | 614 | ||
615 | unsigned long dma_base; /* base addr for dma ports */ | 615 | unsigned long dma_base; /* base addr for dma ports */ |
616 | 616 | ||
617 | unsigned long config_data; /* for use by chipset-specific code */ | 617 | unsigned long config_data; /* for use by chipset-specific code */ |
618 | unsigned long select_data; /* for use by chipset-specific code */ | 618 | unsigned long select_data; /* for use by chipset-specific code */ |
619 | 619 | ||
620 | unsigned long extra_base; /* extra addr for dma ports */ | 620 | unsigned long extra_base; /* extra addr for dma ports */ |
621 | unsigned extra_ports; /* number of extra dma ports */ | 621 | unsigned extra_ports; /* number of extra dma ports */ |
622 | 622 | ||
623 | unsigned present : 1; /* this interface exists */ | 623 | unsigned present : 1; /* this interface exists */ |
624 | unsigned serialized : 1; /* serialized all channel operation */ | 624 | unsigned serialized : 1; /* serialized all channel operation */ |
625 | unsigned sharing_irq: 1; /* 1 = sharing irq with another hwif */ | 625 | unsigned sharing_irq: 1; /* 1 = sharing irq with another hwif */ |
626 | unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */ | 626 | unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */ |
627 | 627 | ||
628 | struct device gendev; | 628 | struct device gendev; |
629 | struct device *portdev; | 629 | struct device *portdev; |
630 | 630 | ||
631 | struct completion gendev_rel_comp; /* To deal with device release() */ | 631 | struct completion gendev_rel_comp; /* To deal with device release() */ |
632 | 632 | ||
633 | void *hwif_data; /* extra hwif data */ | 633 | void *hwif_data; /* extra hwif data */ |
634 | 634 | ||
635 | unsigned dma; | 635 | unsigned dma; |
636 | 636 | ||
637 | #ifdef CONFIG_BLK_DEV_IDEACPI | 637 | #ifdef CONFIG_BLK_DEV_IDEACPI |
638 | struct ide_acpi_hwif_link *acpidata; | 638 | struct ide_acpi_hwif_link *acpidata; |
639 | #endif | 639 | #endif |
640 | } ____cacheline_internodealigned_in_smp ide_hwif_t; | 640 | } ____cacheline_internodealigned_in_smp ide_hwif_t; |
641 | 641 | ||
642 | struct ide_host { | 642 | struct ide_host { |
643 | ide_hwif_t *ports[MAX_HWIFS]; | 643 | ide_hwif_t *ports[MAX_HWIFS]; |
644 | unsigned int n_ports; | 644 | unsigned int n_ports; |
645 | struct device *dev[2]; | 645 | struct device *dev[2]; |
646 | unsigned long host_flags; | 646 | unsigned long host_flags; |
647 | void *host_priv; | 647 | void *host_priv; |
648 | }; | 648 | }; |
649 | 649 | ||
650 | /* | 650 | /* |
651 | * internal ide interrupt handler type | 651 | * internal ide interrupt handler type |
652 | */ | 652 | */ |
653 | typedef ide_startstop_t (ide_handler_t)(ide_drive_t *); | 653 | typedef ide_startstop_t (ide_handler_t)(ide_drive_t *); |
654 | typedef int (ide_expiry_t)(ide_drive_t *); | 654 | typedef int (ide_expiry_t)(ide_drive_t *); |
655 | 655 | ||
656 | /* used by ide-cd, ide-floppy, etc. */ | 656 | /* used by ide-cd, ide-floppy, etc. */ |
657 | typedef void (xfer_func_t)(ide_drive_t *, struct request *rq, void *, unsigned); | 657 | typedef void (xfer_func_t)(ide_drive_t *, struct request *rq, void *, unsigned); |
658 | 658 | ||
659 | typedef struct hwgroup_s { | 659 | typedef struct hwgroup_s { |
660 | /* irq handler, if active */ | 660 | /* irq handler, if active */ |
661 | ide_startstop_t (*handler)(ide_drive_t *); | 661 | ide_startstop_t (*handler)(ide_drive_t *); |
662 | 662 | ||
663 | /* BOOL: protects all fields below */ | 663 | /* BOOL: protects all fields below */ |
664 | volatile int busy; | 664 | volatile int busy; |
665 | /* BOOL: wake us up on timer expiry */ | 665 | /* BOOL: wake us up on timer expiry */ |
666 | unsigned int sleeping : 1; | 666 | unsigned int sleeping : 1; |
667 | /* BOOL: polling active & poll_timeout field valid */ | 667 | /* BOOL: polling active & poll_timeout field valid */ |
668 | unsigned int polling : 1; | 668 | unsigned int polling : 1; |
669 | 669 | ||
670 | /* current drive */ | 670 | /* current drive */ |
671 | ide_drive_t *drive; | 671 | ide_drive_t *drive; |
672 | /* ptr to current hwif in linked-list */ | 672 | /* ptr to current hwif in linked-list */ |
673 | ide_hwif_t *hwif; | 673 | ide_hwif_t *hwif; |
674 | 674 | ||
675 | /* current request */ | 675 | /* current request */ |
676 | struct request *rq; | 676 | struct request *rq; |
677 | 677 | ||
678 | /* failsafe timer */ | 678 | /* failsafe timer */ |
679 | struct timer_list timer; | 679 | struct timer_list timer; |
680 | /* timeout value during long polls */ | 680 | /* timeout value during long polls */ |
681 | unsigned long poll_timeout; | 681 | unsigned long poll_timeout; |
682 | /* queried upon timeouts */ | 682 | /* queried upon timeouts */ |
683 | int (*expiry)(ide_drive_t *); | 683 | int (*expiry)(ide_drive_t *); |
684 | 684 | ||
685 | int req_gen; | 685 | int req_gen; |
686 | int req_gen_timer; | 686 | int req_gen_timer; |
687 | } ide_hwgroup_t; | 687 | } ide_hwgroup_t; |
688 | 688 | ||
689 | typedef struct ide_driver_s ide_driver_t; | 689 | typedef struct ide_driver_s ide_driver_t; |
690 | 690 | ||
691 | extern struct mutex ide_setting_mtx; | 691 | extern struct mutex ide_setting_mtx; |
692 | 692 | ||
693 | int set_io_32bit(ide_drive_t *, int); | 693 | int set_io_32bit(ide_drive_t *, int); |
694 | int set_pio_mode(ide_drive_t *, int); | 694 | int set_pio_mode(ide_drive_t *, int); |
695 | int set_using_dma(ide_drive_t *, int); | 695 | int set_using_dma(ide_drive_t *, int); |
696 | 696 | ||
697 | /* ATAPI packet command flags */ | 697 | /* ATAPI packet command flags */ |
698 | enum { | 698 | enum { |
699 | /* set when an error is considered normal - no retry (ide-tape) */ | 699 | /* set when an error is considered normal - no retry (ide-tape) */ |
700 | PC_FLAG_ABORT = (1 << 0), | 700 | PC_FLAG_ABORT = (1 << 0), |
701 | PC_FLAG_SUPPRESS_ERROR = (1 << 1), | 701 | PC_FLAG_SUPPRESS_ERROR = (1 << 1), |
702 | PC_FLAG_WAIT_FOR_DSC = (1 << 2), | 702 | PC_FLAG_WAIT_FOR_DSC = (1 << 2), |
703 | PC_FLAG_DMA_OK = (1 << 3), | 703 | PC_FLAG_DMA_OK = (1 << 3), |
704 | PC_FLAG_DMA_IN_PROGRESS = (1 << 4), | 704 | PC_FLAG_DMA_IN_PROGRESS = (1 << 4), |
705 | PC_FLAG_DMA_ERROR = (1 << 5), | 705 | PC_FLAG_DMA_ERROR = (1 << 5), |
706 | PC_FLAG_WRITING = (1 << 6), | 706 | PC_FLAG_WRITING = (1 << 6), |
707 | /* command timed out */ | 707 | /* command timed out */ |
708 | PC_FLAG_TIMEDOUT = (1 << 7), | 708 | PC_FLAG_TIMEDOUT = (1 << 7), |
709 | }; | 709 | }; |
710 | 710 | ||
711 | struct ide_atapi_pc { | 711 | struct ide_atapi_pc { |
712 | /* actual packet bytes */ | 712 | /* actual packet bytes */ |
713 | u8 c[12]; | 713 | u8 c[12]; |
714 | /* incremented on each retry */ | 714 | /* incremented on each retry */ |
715 | int retries; | 715 | int retries; |
716 | int error; | 716 | int error; |
717 | 717 | ||
718 | /* bytes to transfer */ | 718 | /* bytes to transfer */ |
719 | int req_xfer; | 719 | int req_xfer; |
720 | /* bytes actually transferred */ | 720 | /* bytes actually transferred */ |
721 | int xferred; | 721 | int xferred; |
722 | 722 | ||
723 | /* data buffer */ | 723 | /* data buffer */ |
724 | u8 *buf; | 724 | u8 *buf; |
725 | /* current buffer position */ | 725 | /* current buffer position */ |
726 | u8 *cur_pos; | 726 | u8 *cur_pos; |
727 | int buf_size; | 727 | int buf_size; |
728 | /* missing/available data on the current buffer */ | 728 | /* missing/available data on the current buffer */ |
729 | int b_count; | 729 | int b_count; |
730 | 730 | ||
731 | /* the corresponding request */ | 731 | /* the corresponding request */ |
732 | struct request *rq; | 732 | struct request *rq; |
733 | 733 | ||
734 | unsigned long flags; | 734 | unsigned long flags; |
735 | 735 | ||
736 | /* | 736 | /* |
737 | * those are more or less driver-specific and some of them are subject | 737 | * those are more or less driver-specific and some of them are subject |
738 | * to change/removal later. | 738 | * to change/removal later. |
739 | */ | 739 | */ |
740 | u8 pc_buf[256]; | 740 | u8 pc_buf[256]; |
741 | 741 | ||
742 | /* idetape only */ | 742 | /* idetape only */ |
743 | struct idetape_bh *bh; | 743 | struct idetape_bh *bh; |
744 | char *b_data; | 744 | char *b_data; |
745 | 745 | ||
746 | /* idescsi only for now */ | 746 | /* idescsi only for now */ |
747 | struct scatterlist *sg; | 747 | struct scatterlist *sg; |
748 | unsigned int sg_cnt; | 748 | unsigned int sg_cnt; |
749 | 749 | ||
750 | struct scsi_cmnd *scsi_cmd; | 750 | struct scsi_cmnd *scsi_cmd; |
751 | void (*done) (struct scsi_cmnd *); | 751 | void (*done) (struct scsi_cmnd *); |
752 | 752 | ||
753 | unsigned long timeout; | 753 | unsigned long timeout; |
754 | }; | 754 | }; |
755 | 755 | ||
756 | #ifdef CONFIG_IDE_PROC_FS | 756 | #ifdef CONFIG_IDE_PROC_FS |
757 | /* | 757 | /* |
758 | * configurable drive settings | 758 | * configurable drive settings |
759 | */ | 759 | */ |
760 | 760 | ||
761 | #define TYPE_INT 0 | 761 | #define TYPE_INT 0 |
762 | #define TYPE_BYTE 1 | 762 | #define TYPE_BYTE 1 |
763 | #define TYPE_SHORT 2 | 763 | #define TYPE_SHORT 2 |
764 | 764 | ||
765 | #define SETTING_READ (1 << 0) | 765 | #define SETTING_READ (1 << 0) |
766 | #define SETTING_WRITE (1 << 1) | 766 | #define SETTING_WRITE (1 << 1) |
767 | #define SETTING_RW (SETTING_READ | SETTING_WRITE) | 767 | #define SETTING_RW (SETTING_READ | SETTING_WRITE) |
768 | 768 | ||
769 | typedef int (ide_procset_t)(ide_drive_t *, int); | 769 | typedef int (ide_procset_t)(ide_drive_t *, int); |
770 | typedef struct ide_settings_s { | 770 | typedef struct ide_settings_s { |
771 | char *name; | 771 | char *name; |
772 | int rw; | 772 | int rw; |
773 | int data_type; | 773 | int data_type; |
774 | int min; | 774 | int min; |
775 | int max; | 775 | int max; |
776 | int mul_factor; | 776 | int mul_factor; |
777 | int div_factor; | 777 | int div_factor; |
778 | void *data; | 778 | void *data; |
779 | ide_procset_t *set; | 779 | ide_procset_t *set; |
780 | int auto_remove; | 780 | int auto_remove; |
781 | struct ide_settings_s *next; | 781 | struct ide_settings_s *next; |
782 | } ide_settings_t; | 782 | } ide_settings_t; |
783 | 783 | ||
784 | int ide_add_setting(ide_drive_t *, const char *, int, int, int, int, int, int, void *, ide_procset_t *set); | 784 | int ide_add_setting(ide_drive_t *, const char *, int, int, int, int, int, int, void *, ide_procset_t *set); |
785 | 785 | ||
786 | /* | 786 | /* |
787 | * /proc/ide interface | 787 | * /proc/ide interface |
788 | */ | 788 | */ |
789 | typedef struct { | 789 | typedef struct { |
790 | const char *name; | 790 | const char *name; |
791 | mode_t mode; | 791 | mode_t mode; |
792 | read_proc_t *read_proc; | 792 | read_proc_t *read_proc; |
793 | write_proc_t *write_proc; | 793 | write_proc_t *write_proc; |
794 | } ide_proc_entry_t; | 794 | } ide_proc_entry_t; |
795 | 795 | ||
796 | void proc_ide_create(void); | 796 | void proc_ide_create(void); |
797 | void proc_ide_destroy(void); | 797 | void proc_ide_destroy(void); |
798 | void ide_proc_register_port(ide_hwif_t *); | 798 | void ide_proc_register_port(ide_hwif_t *); |
799 | void ide_proc_port_register_devices(ide_hwif_t *); | 799 | void ide_proc_port_register_devices(ide_hwif_t *); |
800 | void ide_proc_unregister_device(ide_drive_t *); | 800 | void ide_proc_unregister_device(ide_drive_t *); |
801 | void ide_proc_unregister_port(ide_hwif_t *); | 801 | void ide_proc_unregister_port(ide_hwif_t *); |
802 | void ide_proc_register_driver(ide_drive_t *, ide_driver_t *); | 802 | void ide_proc_register_driver(ide_drive_t *, ide_driver_t *); |
803 | void ide_proc_unregister_driver(ide_drive_t *, ide_driver_t *); | 803 | void ide_proc_unregister_driver(ide_drive_t *, ide_driver_t *); |
804 | 804 | ||
805 | void ide_add_generic_settings(ide_drive_t *); | 805 | void ide_add_generic_settings(ide_drive_t *); |
806 | 806 | ||
807 | read_proc_t proc_ide_read_capacity; | 807 | read_proc_t proc_ide_read_capacity; |
808 | read_proc_t proc_ide_read_geometry; | 808 | read_proc_t proc_ide_read_geometry; |
809 | 809 | ||
810 | /* | 810 | /* |
811 | * Standard exit stuff: | 811 | * Standard exit stuff: |
812 | */ | 812 | */ |
813 | #define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) \ | 813 | #define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) \ |
814 | { \ | 814 | { \ |
815 | len -= off; \ | 815 | len -= off; \ |
816 | if (len < count) { \ | 816 | if (len < count) { \ |
817 | *eof = 1; \ | 817 | *eof = 1; \ |
818 | if (len <= 0) \ | 818 | if (len <= 0) \ |
819 | return 0; \ | 819 | return 0; \ |
820 | } else \ | 820 | } else \ |
821 | len = count; \ | 821 | len = count; \ |
822 | *start = page + off; \ | 822 | *start = page + off; \ |
823 | return len; \ | 823 | return len; \ |
824 | } | 824 | } |
825 | #else | 825 | #else |
826 | static inline void proc_ide_create(void) { ; } | 826 | static inline void proc_ide_create(void) { ; } |
827 | static inline void proc_ide_destroy(void) { ; } | 827 | static inline void proc_ide_destroy(void) { ; } |
828 | static inline void ide_proc_register_port(ide_hwif_t *hwif) { ; } | 828 | static inline void ide_proc_register_port(ide_hwif_t *hwif) { ; } |
829 | static inline void ide_proc_port_register_devices(ide_hwif_t *hwif) { ; } | 829 | static inline void ide_proc_port_register_devices(ide_hwif_t *hwif) { ; } |
830 | static inline void ide_proc_unregister_device(ide_drive_t *drive) { ; } | 830 | static inline void ide_proc_unregister_device(ide_drive_t *drive) { ; } |
831 | static inline void ide_proc_unregister_port(ide_hwif_t *hwif) { ; } | 831 | static inline void ide_proc_unregister_port(ide_hwif_t *hwif) { ; } |
832 | static inline void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver) { ; } | 832 | static inline void ide_proc_register_driver(ide_drive_t *drive, ide_driver_t *driver) { ; } |
833 | static inline void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver) { ; } | 833 | static inline void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver) { ; } |
834 | static inline void ide_add_generic_settings(ide_drive_t *drive) { ; } | 834 | static inline void ide_add_generic_settings(ide_drive_t *drive) { ; } |
835 | #define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) return 0; | 835 | #define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) return 0; |
836 | #endif | 836 | #endif |
837 | 837 | ||
838 | /* | 838 | /* |
839 | * Power Management step value (rq->pm->pm_step). | 839 | * Power Management step value (rq->pm->pm_step). |
840 | * | 840 | * |
841 | * The step value starts at 0 (ide_pm_state_start_suspend) for a | 841 | * The step value starts at 0 (ide_pm_state_start_suspend) for a |
842 | * suspend operation or 1000 (ide_pm_state_start_resume) for a | 842 | * suspend operation or 1000 (ide_pm_state_start_resume) for a |
843 | * resume operation. | 843 | * resume operation. |
844 | * | 844 | * |
845 | * For each step, the core calls the subdriver start_power_step() first. | 845 | * For each step, the core calls the subdriver start_power_step() first. |
846 | * This can return: | 846 | * This can return: |
847 | * - ide_stopped : In this case, the core calls us back again unless | 847 | * - ide_stopped : In this case, the core calls us back again unless |
848 | * step have been set to ide_power_state_completed. | 848 | * step have been set to ide_power_state_completed. |
849 | * - ide_started : In this case, the channel is left busy until an | 849 | * - ide_started : In this case, the channel is left busy until an |
850 | * async event (interrupt) occurs. | 850 | * async event (interrupt) occurs. |
851 | * Typically, start_power_step() will issue a taskfile request with | 851 | * Typically, start_power_step() will issue a taskfile request with |
852 | * do_rw_taskfile(). | 852 | * do_rw_taskfile(). |
853 | * | 853 | * |
854 | * Upon reception of the interrupt, the core will call complete_power_step() | 854 | * Upon reception of the interrupt, the core will call complete_power_step() |
855 | * with the error code if any. This routine should update the step value | 855 | * with the error code if any. This routine should update the step value |
856 | * and return. It should not start a new request. The core will call | 856 | * and return. It should not start a new request. The core will call |
857 | * start_power_step for the new step value, unless step have been set to | 857 | * start_power_step for the new step value, unless step have been set to |
858 | * ide_power_state_completed. | 858 | * ide_power_state_completed. |
859 | * | 859 | * |
860 | * Subdrivers are expected to define their own additional power | 860 | * Subdrivers are expected to define their own additional power |
861 | * steps from 1..999 for suspend and from 1001..1999 for resume, | 861 | * steps from 1..999 for suspend and from 1001..1999 for resume, |
862 | * other values are reserved for future use. | 862 | * other values are reserved for future use. |
863 | */ | 863 | */ |
864 | 864 | ||
865 | enum { | 865 | enum { |
866 | ide_pm_state_completed = -1, | 866 | ide_pm_state_completed = -1, |
867 | ide_pm_state_start_suspend = 0, | 867 | ide_pm_state_start_suspend = 0, |
868 | ide_pm_state_start_resume = 1000, | 868 | ide_pm_state_start_resume = 1000, |
869 | }; | 869 | }; |
870 | 870 | ||
871 | /* | 871 | /* |
872 | * Subdrivers support. | 872 | * Subdrivers support. |
873 | * | 873 | * |
874 | * The gendriver.owner field should be set to the module owner of this driver. | 874 | * The gendriver.owner field should be set to the module owner of this driver. |
875 | * The gendriver.name field should be set to the name of this driver | 875 | * The gendriver.name field should be set to the name of this driver |
876 | */ | 876 | */ |
877 | struct ide_driver_s { | 877 | struct ide_driver_s { |
878 | const char *version; | 878 | const char *version; |
879 | u8 media; | 879 | u8 media; |
880 | unsigned supports_dsc_overlap : 1; | 880 | unsigned supports_dsc_overlap : 1; |
881 | ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t); | 881 | ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t); |
882 | int (*end_request)(ide_drive_t *, int, int); | 882 | int (*end_request)(ide_drive_t *, int, int); |
883 | ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8); | 883 | ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8); |
884 | struct device_driver gen_driver; | 884 | struct device_driver gen_driver; |
885 | int (*probe)(ide_drive_t *); | 885 | int (*probe)(ide_drive_t *); |
886 | void (*remove)(ide_drive_t *); | 886 | void (*remove)(ide_drive_t *); |
887 | void (*resume)(ide_drive_t *); | 887 | void (*resume)(ide_drive_t *); |
888 | void (*shutdown)(ide_drive_t *); | 888 | void (*shutdown)(ide_drive_t *); |
889 | #ifdef CONFIG_IDE_PROC_FS | 889 | #ifdef CONFIG_IDE_PROC_FS |
890 | ide_proc_entry_t *proc; | 890 | ide_proc_entry_t *proc; |
891 | #endif | 891 | #endif |
892 | }; | 892 | }; |
893 | 893 | ||
894 | #define to_ide_driver(drv) container_of(drv, ide_driver_t, gen_driver) | 894 | #define to_ide_driver(drv) container_of(drv, ide_driver_t, gen_driver) |
895 | 895 | ||
896 | int ide_device_get(ide_drive_t *); | 896 | int ide_device_get(ide_drive_t *); |
897 | void ide_device_put(ide_drive_t *); | 897 | void ide_device_put(ide_drive_t *); |
898 | 898 | ||
899 | int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsigned, unsigned long); | 899 | int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsigned, unsigned long); |
900 | 900 | ||
901 | extern int ide_vlb_clk; | 901 | extern int ide_vlb_clk; |
902 | extern int ide_pci_clk; | 902 | extern int ide_pci_clk; |
903 | 903 | ||
904 | extern int ide_end_request (ide_drive_t *drive, int uptodate, int nrsecs); | 904 | extern int ide_end_request (ide_drive_t *drive, int uptodate, int nrsecs); |
905 | int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq, | 905 | int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq, |
906 | int uptodate, int nr_sectors); | 906 | int uptodate, int nr_sectors); |
907 | 907 | ||
908 | extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry); | 908 | extern void ide_set_handler (ide_drive_t *drive, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry); |
909 | 909 | ||
910 | void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int, | 910 | void ide_execute_command(ide_drive_t *, u8, ide_handler_t *, unsigned int, |
911 | ide_expiry_t *); | 911 | ide_expiry_t *); |
912 | 912 | ||
913 | void ide_execute_pkt_cmd(ide_drive_t *); | 913 | void ide_execute_pkt_cmd(ide_drive_t *); |
914 | 914 | ||
915 | void ide_pad_transfer(ide_drive_t *, int, int); | 915 | void ide_pad_transfer(ide_drive_t *, int, int); |
916 | 916 | ||
917 | ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8); | 917 | ide_startstop_t __ide_error(ide_drive_t *, struct request *, u8, u8); |
918 | 918 | ||
919 | ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat); | 919 | ide_startstop_t ide_error (ide_drive_t *drive, const char *msg, byte stat); |
920 | 920 | ||
921 | extern void ide_fix_driveid(struct hd_driveid *); | 921 | extern void ide_fix_driveid(struct hd_driveid *); |
922 | 922 | ||
923 | extern void ide_fixstring(u8 *, const int, const int); | 923 | extern void ide_fixstring(u8 *, const int, const int); |
924 | 924 | ||
925 | int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long); | 925 | int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long); |
926 | 926 | ||
927 | extern ide_startstop_t ide_do_reset (ide_drive_t *); | 927 | extern ide_startstop_t ide_do_reset (ide_drive_t *); |
928 | 928 | ||
929 | extern void ide_do_drive_cmd(ide_drive_t *, struct request *); | 929 | extern void ide_do_drive_cmd(ide_drive_t *, struct request *); |
930 | 930 | ||
931 | extern void ide_end_drive_cmd(ide_drive_t *, u8, u8); | 931 | extern void ide_end_drive_cmd(ide_drive_t *, u8, u8); |
932 | 932 | ||
933 | enum { | 933 | enum { |
934 | IDE_TFLAG_LBA48 = (1 << 0), | 934 | IDE_TFLAG_LBA48 = (1 << 0), |
935 | IDE_TFLAG_FLAGGED = (1 << 2), | 935 | IDE_TFLAG_FLAGGED = (1 << 2), |
936 | IDE_TFLAG_OUT_DATA = (1 << 3), | 936 | IDE_TFLAG_OUT_DATA = (1 << 3), |
937 | IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4), | 937 | IDE_TFLAG_OUT_HOB_FEATURE = (1 << 4), |
938 | IDE_TFLAG_OUT_HOB_NSECT = (1 << 5), | 938 | IDE_TFLAG_OUT_HOB_NSECT = (1 << 5), |
939 | IDE_TFLAG_OUT_HOB_LBAL = (1 << 6), | 939 | IDE_TFLAG_OUT_HOB_LBAL = (1 << 6), |
940 | IDE_TFLAG_OUT_HOB_LBAM = (1 << 7), | 940 | IDE_TFLAG_OUT_HOB_LBAM = (1 << 7), |
941 | IDE_TFLAG_OUT_HOB_LBAH = (1 << 8), | 941 | IDE_TFLAG_OUT_HOB_LBAH = (1 << 8), |
942 | IDE_TFLAG_OUT_HOB = IDE_TFLAG_OUT_HOB_FEATURE | | 942 | IDE_TFLAG_OUT_HOB = IDE_TFLAG_OUT_HOB_FEATURE | |
943 | IDE_TFLAG_OUT_HOB_NSECT | | 943 | IDE_TFLAG_OUT_HOB_NSECT | |
944 | IDE_TFLAG_OUT_HOB_LBAL | | 944 | IDE_TFLAG_OUT_HOB_LBAL | |
945 | IDE_TFLAG_OUT_HOB_LBAM | | 945 | IDE_TFLAG_OUT_HOB_LBAM | |
946 | IDE_TFLAG_OUT_HOB_LBAH, | 946 | IDE_TFLAG_OUT_HOB_LBAH, |
947 | IDE_TFLAG_OUT_FEATURE = (1 << 9), | 947 | IDE_TFLAG_OUT_FEATURE = (1 << 9), |
948 | IDE_TFLAG_OUT_NSECT = (1 << 10), | 948 | IDE_TFLAG_OUT_NSECT = (1 << 10), |
949 | IDE_TFLAG_OUT_LBAL = (1 << 11), | 949 | IDE_TFLAG_OUT_LBAL = (1 << 11), |
950 | IDE_TFLAG_OUT_LBAM = (1 << 12), | 950 | IDE_TFLAG_OUT_LBAM = (1 << 12), |
951 | IDE_TFLAG_OUT_LBAH = (1 << 13), | 951 | IDE_TFLAG_OUT_LBAH = (1 << 13), |
952 | IDE_TFLAG_OUT_TF = IDE_TFLAG_OUT_FEATURE | | 952 | IDE_TFLAG_OUT_TF = IDE_TFLAG_OUT_FEATURE | |
953 | IDE_TFLAG_OUT_NSECT | | 953 | IDE_TFLAG_OUT_NSECT | |
954 | IDE_TFLAG_OUT_LBAL | | 954 | IDE_TFLAG_OUT_LBAL | |
955 | IDE_TFLAG_OUT_LBAM | | 955 | IDE_TFLAG_OUT_LBAM | |
956 | IDE_TFLAG_OUT_LBAH, | 956 | IDE_TFLAG_OUT_LBAH, |
957 | IDE_TFLAG_OUT_DEVICE = (1 << 14), | 957 | IDE_TFLAG_OUT_DEVICE = (1 << 14), |
958 | IDE_TFLAG_WRITE = (1 << 15), | 958 | IDE_TFLAG_WRITE = (1 << 15), |
959 | IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16), | 959 | IDE_TFLAG_FLAGGED_SET_IN_FLAGS = (1 << 16), |
960 | IDE_TFLAG_IN_DATA = (1 << 17), | 960 | IDE_TFLAG_IN_DATA = (1 << 17), |
961 | IDE_TFLAG_CUSTOM_HANDLER = (1 << 18), | 961 | IDE_TFLAG_CUSTOM_HANDLER = (1 << 18), |
962 | IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19), | 962 | IDE_TFLAG_DMA_PIO_FALLBACK = (1 << 19), |
963 | IDE_TFLAG_IN_HOB_FEATURE = (1 << 20), | 963 | IDE_TFLAG_IN_HOB_FEATURE = (1 << 20), |
964 | IDE_TFLAG_IN_HOB_NSECT = (1 << 21), | 964 | IDE_TFLAG_IN_HOB_NSECT = (1 << 21), |
965 | IDE_TFLAG_IN_HOB_LBAL = (1 << 22), | 965 | IDE_TFLAG_IN_HOB_LBAL = (1 << 22), |
966 | IDE_TFLAG_IN_HOB_LBAM = (1 << 23), | 966 | IDE_TFLAG_IN_HOB_LBAM = (1 << 23), |
967 | IDE_TFLAG_IN_HOB_LBAH = (1 << 24), | 967 | IDE_TFLAG_IN_HOB_LBAH = (1 << 24), |
968 | IDE_TFLAG_IN_HOB_LBA = IDE_TFLAG_IN_HOB_LBAL | | 968 | IDE_TFLAG_IN_HOB_LBA = IDE_TFLAG_IN_HOB_LBAL | |
969 | IDE_TFLAG_IN_HOB_LBAM | | 969 | IDE_TFLAG_IN_HOB_LBAM | |
970 | IDE_TFLAG_IN_HOB_LBAH, | 970 | IDE_TFLAG_IN_HOB_LBAH, |
971 | IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE | | 971 | IDE_TFLAG_IN_HOB = IDE_TFLAG_IN_HOB_FEATURE | |
972 | IDE_TFLAG_IN_HOB_NSECT | | 972 | IDE_TFLAG_IN_HOB_NSECT | |
973 | IDE_TFLAG_IN_HOB_LBA, | 973 | IDE_TFLAG_IN_HOB_LBA, |
974 | IDE_TFLAG_IN_FEATURE = (1 << 1), | 974 | IDE_TFLAG_IN_FEATURE = (1 << 1), |
975 | IDE_TFLAG_IN_NSECT = (1 << 25), | 975 | IDE_TFLAG_IN_NSECT = (1 << 25), |
976 | IDE_TFLAG_IN_LBAL = (1 << 26), | 976 | IDE_TFLAG_IN_LBAL = (1 << 26), |
977 | IDE_TFLAG_IN_LBAM = (1 << 27), | 977 | IDE_TFLAG_IN_LBAM = (1 << 27), |
978 | IDE_TFLAG_IN_LBAH = (1 << 28), | 978 | IDE_TFLAG_IN_LBAH = (1 << 28), |
979 | IDE_TFLAG_IN_LBA = IDE_TFLAG_IN_LBAL | | 979 | IDE_TFLAG_IN_LBA = IDE_TFLAG_IN_LBAL | |
980 | IDE_TFLAG_IN_LBAM | | 980 | IDE_TFLAG_IN_LBAM | |
981 | IDE_TFLAG_IN_LBAH, | 981 | IDE_TFLAG_IN_LBAH, |
982 | IDE_TFLAG_IN_TF = IDE_TFLAG_IN_NSECT | | 982 | IDE_TFLAG_IN_TF = IDE_TFLAG_IN_NSECT | |
983 | IDE_TFLAG_IN_LBA, | 983 | IDE_TFLAG_IN_LBA, |
984 | IDE_TFLAG_IN_DEVICE = (1 << 29), | 984 | IDE_TFLAG_IN_DEVICE = (1 << 29), |
985 | IDE_TFLAG_HOB = IDE_TFLAG_OUT_HOB | | 985 | IDE_TFLAG_HOB = IDE_TFLAG_OUT_HOB | |
986 | IDE_TFLAG_IN_HOB, | 986 | IDE_TFLAG_IN_HOB, |
987 | IDE_TFLAG_TF = IDE_TFLAG_OUT_TF | | 987 | IDE_TFLAG_TF = IDE_TFLAG_OUT_TF | |
988 | IDE_TFLAG_IN_TF, | 988 | IDE_TFLAG_IN_TF, |
989 | IDE_TFLAG_DEVICE = IDE_TFLAG_OUT_DEVICE | | 989 | IDE_TFLAG_DEVICE = IDE_TFLAG_OUT_DEVICE | |
990 | IDE_TFLAG_IN_DEVICE, | 990 | IDE_TFLAG_IN_DEVICE, |
991 | /* force 16-bit I/O operations */ | 991 | /* force 16-bit I/O operations */ |
992 | IDE_TFLAG_IO_16BIT = (1 << 30), | 992 | IDE_TFLAG_IO_16BIT = (1 << 30), |
993 | /* ide_task_t was allocated using kmalloc() */ | 993 | /* ide_task_t was allocated using kmalloc() */ |
994 | IDE_TFLAG_DYN = (1 << 31), | 994 | IDE_TFLAG_DYN = (1 << 31), |
995 | }; | 995 | }; |
996 | 996 | ||
997 | struct ide_taskfile { | 997 | struct ide_taskfile { |
998 | u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */ | 998 | u8 hob_data; /* 0: high data byte (for TASKFILE IOCTL) */ |
999 | 999 | ||
1000 | u8 hob_feature; /* 1-5: additional data to support LBA48 */ | 1000 | u8 hob_feature; /* 1-5: additional data to support LBA48 */ |
1001 | u8 hob_nsect; | 1001 | u8 hob_nsect; |
1002 | u8 hob_lbal; | 1002 | u8 hob_lbal; |
1003 | u8 hob_lbam; | 1003 | u8 hob_lbam; |
1004 | u8 hob_lbah; | 1004 | u8 hob_lbah; |
1005 | 1005 | ||
1006 | u8 data; /* 6: low data byte (for TASKFILE IOCTL) */ | 1006 | u8 data; /* 6: low data byte (for TASKFILE IOCTL) */ |
1007 | 1007 | ||
1008 | union { /* 7: */ | 1008 | union { /* 7: */ |
1009 | u8 error; /* read: error */ | 1009 | u8 error; /* read: error */ |
1010 | u8 feature; /* write: feature */ | 1010 | u8 feature; /* write: feature */ |
1011 | }; | 1011 | }; |
1012 | 1012 | ||
1013 | u8 nsect; /* 8: number of sectors */ | 1013 | u8 nsect; /* 8: number of sectors */ |
1014 | u8 lbal; /* 9: LBA low */ | 1014 | u8 lbal; /* 9: LBA low */ |
1015 | u8 lbam; /* 10: LBA mid */ | 1015 | u8 lbam; /* 10: LBA mid */ |
1016 | u8 lbah; /* 11: LBA high */ | 1016 | u8 lbah; /* 11: LBA high */ |
1017 | 1017 | ||
1018 | u8 device; /* 12: device select */ | 1018 | u8 device; /* 12: device select */ |
1019 | 1019 | ||
1020 | union { /* 13: */ | 1020 | union { /* 13: */ |
1021 | u8 status; /* read: status */ | 1021 | u8 status; /* read: status */ |
1022 | u8 command; /* write: command */ | 1022 | u8 command; /* write: command */ |
1023 | }; | 1023 | }; |
1024 | }; | 1024 | }; |
1025 | 1025 | ||
1026 | typedef struct ide_task_s { | 1026 | typedef struct ide_task_s { |
1027 | union { | 1027 | union { |
1028 | struct ide_taskfile tf; | 1028 | struct ide_taskfile tf; |
1029 | u8 tf_array[14]; | 1029 | u8 tf_array[14]; |
1030 | }; | 1030 | }; |
1031 | u32 tf_flags; | 1031 | u32 tf_flags; |
1032 | int data_phase; | 1032 | int data_phase; |
1033 | struct request *rq; /* copy of request */ | 1033 | struct request *rq; /* copy of request */ |
1034 | void *special; /* valid_t generally */ | 1034 | void *special; /* valid_t generally */ |
1035 | } ide_task_t; | 1035 | } ide_task_t; |
1036 | 1036 | ||
1037 | void ide_tf_dump(const char *, struct ide_taskfile *); | 1037 | void ide_tf_dump(const char *, struct ide_taskfile *); |
1038 | 1038 | ||
1039 | void ide_exec_command(ide_hwif_t *, u8); | 1039 | void ide_exec_command(ide_hwif_t *, u8); |
1040 | u8 ide_read_status(ide_hwif_t *); | 1040 | u8 ide_read_status(ide_hwif_t *); |
1041 | u8 ide_read_altstatus(ide_hwif_t *); | 1041 | u8 ide_read_altstatus(ide_hwif_t *); |
1042 | u8 ide_read_sff_dma_status(ide_hwif_t *); | 1042 | u8 ide_read_sff_dma_status(ide_hwif_t *); |
1043 | 1043 | ||
1044 | void ide_set_irq(ide_hwif_t *, int); | 1044 | void ide_set_irq(ide_hwif_t *, int); |
1045 | 1045 | ||
1046 | void ide_tf_load(ide_drive_t *, ide_task_t *); | 1046 | void ide_tf_load(ide_drive_t *, ide_task_t *); |
1047 | void ide_tf_read(ide_drive_t *, ide_task_t *); | 1047 | void ide_tf_read(ide_drive_t *, ide_task_t *); |
1048 | 1048 | ||
1049 | void ide_input_data(ide_drive_t *, struct request *, void *, unsigned int); | 1049 | void ide_input_data(ide_drive_t *, struct request *, void *, unsigned int); |
1050 | void ide_output_data(ide_drive_t *, struct request *, void *, unsigned int); | 1050 | void ide_output_data(ide_drive_t *, struct request *, void *, unsigned int); |
1051 | 1051 | ||
1052 | extern void SELECT_DRIVE(ide_drive_t *); | 1052 | extern void SELECT_DRIVE(ide_drive_t *); |
1053 | void SELECT_MASK(ide_drive_t *, int); | 1053 | void SELECT_MASK(ide_drive_t *, int); |
1054 | 1054 | ||
1055 | u8 ide_read_error(ide_drive_t *); | 1055 | u8 ide_read_error(ide_drive_t *); |
1056 | void ide_read_bcount_and_ireason(ide_drive_t *, u16 *, u8 *); | 1056 | void ide_read_bcount_and_ireason(ide_drive_t *, u16 *, u8 *); |
1057 | 1057 | ||
1058 | extern int drive_is_ready(ide_drive_t *); | 1058 | extern int drive_is_ready(ide_drive_t *); |
1059 | 1059 | ||
1060 | void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); | 1060 | void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); |
1061 | 1061 | ||
1062 | ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, | 1062 | ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, |
1063 | ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, | 1063 | ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, |
1064 | void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), | 1064 | void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), |
1065 | void (*retry_pc)(ide_drive_t *), void (*dsc_handle)(ide_drive_t *), | 1065 | void (*retry_pc)(ide_drive_t *), void (*dsc_handle)(ide_drive_t *), |
1066 | void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int, | 1066 | void (*io_buffers)(ide_drive_t *, struct ide_atapi_pc *, unsigned int, |
1067 | int)); | 1067 | int)); |
1068 | ide_startstop_t ide_transfer_pc(ide_drive_t *, struct ide_atapi_pc *, | 1068 | ide_startstop_t ide_transfer_pc(ide_drive_t *, struct ide_atapi_pc *, |
1069 | ide_handler_t *, unsigned int, ide_expiry_t *); | 1069 | ide_handler_t *, unsigned int, ide_expiry_t *); |
1070 | ide_startstop_t ide_issue_pc(ide_drive_t *, struct ide_atapi_pc *, | 1070 | ide_startstop_t ide_issue_pc(ide_drive_t *, struct ide_atapi_pc *, |
1071 | ide_handler_t *, unsigned int, ide_expiry_t *); | 1071 | ide_handler_t *, unsigned int, ide_expiry_t *); |
1072 | 1072 | ||
1073 | ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); | 1073 | ide_startstop_t do_rw_taskfile(ide_drive_t *, ide_task_t *); |
1074 | 1074 | ||
1075 | void task_end_request(ide_drive_t *, struct request *, u8); | 1075 | void task_end_request(ide_drive_t *, struct request *, u8); |
1076 | 1076 | ||
1077 | int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16); | 1077 | int ide_raw_taskfile(ide_drive_t *, ide_task_t *, u8 *, u16); |
1078 | int ide_no_data_taskfile(ide_drive_t *, ide_task_t *); | 1078 | int ide_no_data_taskfile(ide_drive_t *, ide_task_t *); |
1079 | 1079 | ||
1080 | int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long); | 1080 | int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long); |
1081 | int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long); | 1081 | int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long); |
1082 | int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long); | 1082 | int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long); |
1083 | 1083 | ||
1084 | extern int ide_driveid_update(ide_drive_t *); | 1084 | extern int ide_driveid_update(ide_drive_t *); |
1085 | extern int ide_config_drive_speed(ide_drive_t *, u8); | 1085 | extern int ide_config_drive_speed(ide_drive_t *, u8); |
1086 | extern u8 eighty_ninty_three (ide_drive_t *); | 1086 | extern u8 eighty_ninty_three (ide_drive_t *); |
1087 | extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *); | 1087 | extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *); |
1088 | 1088 | ||
1089 | extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout); | 1089 | extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout); |
1090 | 1090 | ||
1091 | extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout); | 1091 | extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout); |
1092 | 1092 | ||
1093 | extern int ide_spin_wait_hwgroup(ide_drive_t *); | 1093 | extern int ide_spin_wait_hwgroup(ide_drive_t *); |
1094 | extern void ide_timer_expiry(unsigned long); | 1094 | extern void ide_timer_expiry(unsigned long); |
1095 | extern irqreturn_t ide_intr(int irq, void *dev_id); | 1095 | extern irqreturn_t ide_intr(int irq, void *dev_id); |
1096 | extern void do_ide_request(struct request_queue *); | 1096 | extern void do_ide_request(struct request_queue *); |
1097 | 1097 | ||
1098 | void ide_init_disk(struct gendisk *, ide_drive_t *); | 1098 | void ide_init_disk(struct gendisk *, ide_drive_t *); |
1099 | 1099 | ||
1100 | #ifdef CONFIG_IDEPCI_PCIBUS_ORDER | 1100 | #ifdef CONFIG_IDEPCI_PCIBUS_ORDER |
1101 | extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner, const char *mod_name); | 1101 | extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner, const char *mod_name); |
1102 | #define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE, KBUILD_MODNAME) | 1102 | #define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE, KBUILD_MODNAME) |
1103 | #else | 1103 | #else |
1104 | #define ide_pci_register_driver(d) pci_register_driver(d) | 1104 | #define ide_pci_register_driver(d) pci_register_driver(d) |
1105 | #endif | 1105 | #endif |
1106 | 1106 | ||
1107 | void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *, int, | 1107 | void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *, int, |
1108 | hw_regs_t *, hw_regs_t **); | 1108 | hw_regs_t *, hw_regs_t **); |
1109 | void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *); | 1109 | void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *); |
1110 | 1110 | ||
1111 | #ifdef CONFIG_BLK_DEV_IDEDMA_PCI | 1111 | #ifdef CONFIG_BLK_DEV_IDEDMA_PCI |
1112 | int ide_pci_set_master(struct pci_dev *, const char *); | 1112 | int ide_pci_set_master(struct pci_dev *, const char *); |
1113 | unsigned long ide_pci_dma_base(ide_hwif_t *, const struct ide_port_info *); | 1113 | unsigned long ide_pci_dma_base(ide_hwif_t *, const struct ide_port_info *); |
1114 | extern const struct ide_dma_ops sff_dma_ops; | ||
1115 | int ide_pci_check_simplex(ide_hwif_t *, const struct ide_port_info *); | 1114 | int ide_pci_check_simplex(ide_hwif_t *, const struct ide_port_info *); |
1116 | int ide_hwif_setup_dma(ide_hwif_t *, const struct ide_port_info *); | 1115 | int ide_hwif_setup_dma(ide_hwif_t *, const struct ide_port_info *); |
1117 | #else | 1116 | #else |
1118 | static inline int ide_hwif_setup_dma(ide_hwif_t *hwif, | 1117 | static inline int ide_hwif_setup_dma(ide_hwif_t *hwif, |
1119 | const struct ide_port_info *d) | 1118 | const struct ide_port_info *d) |
1120 | { | 1119 | { |
1121 | return -EINVAL; | 1120 | return -EINVAL; |
1122 | } | 1121 | } |
1123 | #endif | 1122 | #endif |
1124 | 1123 | ||
1125 | typedef struct ide_pci_enablebit_s { | 1124 | typedef struct ide_pci_enablebit_s { |
1126 | u8 reg; /* byte pci reg holding the enable-bit */ | 1125 | u8 reg; /* byte pci reg holding the enable-bit */ |
1127 | u8 mask; /* mask to isolate the enable-bit */ | 1126 | u8 mask; /* mask to isolate the enable-bit */ |
1128 | u8 val; /* value of masked reg when "enabled" */ | 1127 | u8 val; /* value of masked reg when "enabled" */ |
1129 | } ide_pci_enablebit_t; | 1128 | } ide_pci_enablebit_t; |
1130 | 1129 | ||
1131 | enum { | 1130 | enum { |
1132 | /* Uses ISA control ports not PCI ones. */ | 1131 | /* Uses ISA control ports not PCI ones. */ |
1133 | IDE_HFLAG_ISA_PORTS = (1 << 0), | 1132 | IDE_HFLAG_ISA_PORTS = (1 << 0), |
1134 | /* single port device */ | 1133 | /* single port device */ |
1135 | IDE_HFLAG_SINGLE = (1 << 1), | 1134 | IDE_HFLAG_SINGLE = (1 << 1), |
1136 | /* don't use legacy PIO blacklist */ | 1135 | /* don't use legacy PIO blacklist */ |
1137 | IDE_HFLAG_PIO_NO_BLACKLIST = (1 << 2), | 1136 | IDE_HFLAG_PIO_NO_BLACKLIST = (1 << 2), |
1138 | /* set for the second port of QD65xx */ | 1137 | /* set for the second port of QD65xx */ |
1139 | IDE_HFLAG_QD_2ND_PORT = (1 << 3), | 1138 | IDE_HFLAG_QD_2ND_PORT = (1 << 3), |
1140 | /* use PIO8/9 for prefetch off/on */ | 1139 | /* use PIO8/9 for prefetch off/on */ |
1141 | IDE_HFLAG_ABUSE_PREFETCH = (1 << 4), | 1140 | IDE_HFLAG_ABUSE_PREFETCH = (1 << 4), |
1142 | /* use PIO6/7 for fast-devsel off/on */ | 1141 | /* use PIO6/7 for fast-devsel off/on */ |
1143 | IDE_HFLAG_ABUSE_FAST_DEVSEL = (1 << 5), | 1142 | IDE_HFLAG_ABUSE_FAST_DEVSEL = (1 << 5), |
1144 | /* use 100-102 and 200-202 PIO values to set DMA modes */ | 1143 | /* use 100-102 and 200-202 PIO values to set DMA modes */ |
1145 | IDE_HFLAG_ABUSE_DMA_MODES = (1 << 6), | 1144 | IDE_HFLAG_ABUSE_DMA_MODES = (1 << 6), |
1146 | /* | 1145 | /* |
1147 | * keep DMA setting when programming PIO mode, may be used only | 1146 | * keep DMA setting when programming PIO mode, may be used only |
1148 | * for hosts which have separate PIO and DMA timings (ie. PMAC) | 1147 | * for hosts which have separate PIO and DMA timings (ie. PMAC) |
1149 | */ | 1148 | */ |
1150 | IDE_HFLAG_SET_PIO_MODE_KEEP_DMA = (1 << 7), | 1149 | IDE_HFLAG_SET_PIO_MODE_KEEP_DMA = (1 << 7), |
1151 | /* program host for the transfer mode after programming device */ | 1150 | /* program host for the transfer mode after programming device */ |
1152 | IDE_HFLAG_POST_SET_MODE = (1 << 8), | 1151 | IDE_HFLAG_POST_SET_MODE = (1 << 8), |
1153 | /* don't program host/device for the transfer mode ("smart" hosts) */ | 1152 | /* don't program host/device for the transfer mode ("smart" hosts) */ |
1154 | IDE_HFLAG_NO_SET_MODE = (1 << 9), | 1153 | IDE_HFLAG_NO_SET_MODE = (1 << 9), |
1155 | /* trust BIOS for programming chipset/device for DMA */ | 1154 | /* trust BIOS for programming chipset/device for DMA */ |
1156 | IDE_HFLAG_TRUST_BIOS_FOR_DMA = (1 << 10), | 1155 | IDE_HFLAG_TRUST_BIOS_FOR_DMA = (1 << 10), |
1157 | /* host is CS5510/CS5520 */ | 1156 | /* host is CS5510/CS5520 */ |
1158 | IDE_HFLAG_CS5520 = (1 << 11), | 1157 | IDE_HFLAG_CS5520 = (1 << 11), |
1159 | /* ATAPI DMA is unsupported */ | 1158 | /* ATAPI DMA is unsupported */ |
1160 | IDE_HFLAG_NO_ATAPI_DMA = (1 << 12), | 1159 | IDE_HFLAG_NO_ATAPI_DMA = (1 << 12), |
1161 | /* set if host is a "non-bootable" controller */ | 1160 | /* set if host is a "non-bootable" controller */ |
1162 | IDE_HFLAG_NON_BOOTABLE = (1 << 13), | 1161 | IDE_HFLAG_NON_BOOTABLE = (1 << 13), |
1163 | /* host doesn't support DMA */ | 1162 | /* host doesn't support DMA */ |
1164 | IDE_HFLAG_NO_DMA = (1 << 14), | 1163 | IDE_HFLAG_NO_DMA = (1 << 14), |
1165 | /* check if host is PCI IDE device before allowing DMA */ | 1164 | /* check if host is PCI IDE device before allowing DMA */ |
1166 | IDE_HFLAG_NO_AUTODMA = (1 << 15), | 1165 | IDE_HFLAG_NO_AUTODMA = (1 << 15), |
1167 | /* host uses MMIO */ | 1166 | /* host uses MMIO */ |
1168 | IDE_HFLAG_MMIO = (1 << 16), | 1167 | IDE_HFLAG_MMIO = (1 << 16), |
1169 | /* no LBA48 */ | 1168 | /* no LBA48 */ |
1170 | IDE_HFLAG_NO_LBA48 = (1 << 17), | 1169 | IDE_HFLAG_NO_LBA48 = (1 << 17), |
1171 | /* no LBA48 DMA */ | 1170 | /* no LBA48 DMA */ |
1172 | IDE_HFLAG_NO_LBA48_DMA = (1 << 18), | 1171 | IDE_HFLAG_NO_LBA48_DMA = (1 << 18), |
1173 | /* data FIFO is cleared by an error */ | 1172 | /* data FIFO is cleared by an error */ |
1174 | IDE_HFLAG_ERROR_STOPS_FIFO = (1 << 19), | 1173 | IDE_HFLAG_ERROR_STOPS_FIFO = (1 << 19), |
1175 | /* serialize ports */ | 1174 | /* serialize ports */ |
1176 | IDE_HFLAG_SERIALIZE = (1 << 20), | 1175 | IDE_HFLAG_SERIALIZE = (1 << 20), |
1177 | /* use legacy IRQs */ | 1176 | /* use legacy IRQs */ |
1178 | IDE_HFLAG_LEGACY_IRQS = (1 << 21), | 1177 | IDE_HFLAG_LEGACY_IRQS = (1 << 21), |
1179 | /* force use of legacy IRQs */ | 1178 | /* force use of legacy IRQs */ |
1180 | IDE_HFLAG_FORCE_LEGACY_IRQS = (1 << 22), | 1179 | IDE_HFLAG_FORCE_LEGACY_IRQS = (1 << 22), |
1181 | /* limit LBA48 requests to 256 sectors */ | 1180 | /* limit LBA48 requests to 256 sectors */ |
1182 | IDE_HFLAG_RQSIZE_256 = (1 << 23), | 1181 | IDE_HFLAG_RQSIZE_256 = (1 << 23), |
1183 | /* use 32-bit I/O ops */ | 1182 | /* use 32-bit I/O ops */ |
1184 | IDE_HFLAG_IO_32BIT = (1 << 24), | 1183 | IDE_HFLAG_IO_32BIT = (1 << 24), |
1185 | /* unmask IRQs */ | 1184 | /* unmask IRQs */ |
1186 | IDE_HFLAG_UNMASK_IRQS = (1 << 25), | 1185 | IDE_HFLAG_UNMASK_IRQS = (1 << 25), |
1187 | /* serialize ports if DMA is possible (for sl82c105) */ | 1186 | /* serialize ports if DMA is possible (for sl82c105) */ |
1188 | IDE_HFLAG_SERIALIZE_DMA = (1 << 27), | 1187 | IDE_HFLAG_SERIALIZE_DMA = (1 << 27), |
1189 | /* force host out of "simplex" mode */ | 1188 | /* force host out of "simplex" mode */ |
1190 | IDE_HFLAG_CLEAR_SIMPLEX = (1 << 28), | 1189 | IDE_HFLAG_CLEAR_SIMPLEX = (1 << 28), |
1191 | /* DSC overlap is unsupported */ | 1190 | /* DSC overlap is unsupported */ |
1192 | IDE_HFLAG_NO_DSC = (1 << 29), | 1191 | IDE_HFLAG_NO_DSC = (1 << 29), |
1193 | /* never use 32-bit I/O ops */ | 1192 | /* never use 32-bit I/O ops */ |
1194 | IDE_HFLAG_NO_IO_32BIT = (1 << 30), | 1193 | IDE_HFLAG_NO_IO_32BIT = (1 << 30), |
1195 | /* never unmask IRQs */ | 1194 | /* never unmask IRQs */ |
1196 | IDE_HFLAG_NO_UNMASK_IRQS = (1 << 31), | 1195 | IDE_HFLAG_NO_UNMASK_IRQS = (1 << 31), |
1197 | }; | 1196 | }; |
1198 | 1197 | ||
1199 | #ifdef CONFIG_BLK_DEV_OFFBOARD | 1198 | #ifdef CONFIG_BLK_DEV_OFFBOARD |
1200 | # define IDE_HFLAG_OFF_BOARD 0 | 1199 | # define IDE_HFLAG_OFF_BOARD 0 |
1201 | #else | 1200 | #else |
1202 | # define IDE_HFLAG_OFF_BOARD IDE_HFLAG_NON_BOOTABLE | 1201 | # define IDE_HFLAG_OFF_BOARD IDE_HFLAG_NON_BOOTABLE |
1203 | #endif | 1202 | #endif |
1204 | 1203 | ||
1205 | struct ide_port_info { | 1204 | struct ide_port_info { |
1206 | char *name; | 1205 | char *name; |
1207 | unsigned int (*init_chipset)(struct pci_dev *); | 1206 | unsigned int (*init_chipset)(struct pci_dev *); |
1208 | void (*init_iops)(ide_hwif_t *); | 1207 | void (*init_iops)(ide_hwif_t *); |
1209 | void (*init_hwif)(ide_hwif_t *); | 1208 | void (*init_hwif)(ide_hwif_t *); |
1210 | int (*init_dma)(ide_hwif_t *, | 1209 | int (*init_dma)(ide_hwif_t *, |
1211 | const struct ide_port_info *); | 1210 | const struct ide_port_info *); |
1212 | 1211 | ||
1213 | const struct ide_tp_ops *tp_ops; | 1212 | const struct ide_tp_ops *tp_ops; |
1214 | const struct ide_port_ops *port_ops; | 1213 | const struct ide_port_ops *port_ops; |
1215 | const struct ide_dma_ops *dma_ops; | 1214 | const struct ide_dma_ops *dma_ops; |
1216 | 1215 | ||
1217 | ide_pci_enablebit_t enablebits[2]; | 1216 | ide_pci_enablebit_t enablebits[2]; |
1218 | hwif_chipset_t chipset; | 1217 | hwif_chipset_t chipset; |
1219 | u32 host_flags; | 1218 | u32 host_flags; |
1220 | u8 pio_mask; | 1219 | u8 pio_mask; |
1221 | u8 swdma_mask; | 1220 | u8 swdma_mask; |
1222 | u8 mwdma_mask; | 1221 | u8 mwdma_mask; |
1223 | u8 udma_mask; | 1222 | u8 udma_mask; |
1224 | }; | 1223 | }; |
1225 | 1224 | ||
1226 | int ide_pci_init_one(struct pci_dev *, const struct ide_port_info *, void *); | 1225 | int ide_pci_init_one(struct pci_dev *, const struct ide_port_info *, void *); |
1227 | int ide_pci_init_two(struct pci_dev *, struct pci_dev *, | 1226 | int ide_pci_init_two(struct pci_dev *, struct pci_dev *, |
1228 | const struct ide_port_info *, void *); | 1227 | const struct ide_port_info *, void *); |
1229 | void ide_pci_remove(struct pci_dev *); | 1228 | void ide_pci_remove(struct pci_dev *); |
1230 | 1229 | ||
1231 | void ide_map_sg(ide_drive_t *, struct request *); | 1230 | void ide_map_sg(ide_drive_t *, struct request *); |
1232 | void ide_init_sg_cmd(ide_drive_t *, struct request *); | 1231 | void ide_init_sg_cmd(ide_drive_t *, struct request *); |
1233 | 1232 | ||
1234 | #define BAD_DMA_DRIVE 0 | 1233 | #define BAD_DMA_DRIVE 0 |
1235 | #define GOOD_DMA_DRIVE 1 | 1234 | #define GOOD_DMA_DRIVE 1 |
1236 | 1235 | ||
1237 | struct drive_list_entry { | 1236 | struct drive_list_entry { |
1238 | const char *id_model; | 1237 | const char *id_model; |
1239 | const char *id_firmware; | 1238 | const char *id_firmware; |
1240 | }; | 1239 | }; |
1241 | 1240 | ||
1242 | int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *); | 1241 | int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *); |
1243 | 1242 | ||
1244 | #ifdef CONFIG_BLK_DEV_IDEDMA | 1243 | #ifdef CONFIG_BLK_DEV_IDEDMA |
1245 | int __ide_dma_bad_drive(ide_drive_t *); | 1244 | int __ide_dma_bad_drive(ide_drive_t *); |
1246 | int ide_id_dma_bug(ide_drive_t *); | 1245 | int ide_id_dma_bug(ide_drive_t *); |
1247 | 1246 | ||
1248 | u8 ide_find_dma_mode(ide_drive_t *, u8); | 1247 | u8 ide_find_dma_mode(ide_drive_t *, u8); |
1249 | 1248 | ||
1250 | static inline u8 ide_max_dma_mode(ide_drive_t *drive) | 1249 | static inline u8 ide_max_dma_mode(ide_drive_t *drive) |
1251 | { | 1250 | { |
1252 | return ide_find_dma_mode(drive, XFER_UDMA_6); | 1251 | return ide_find_dma_mode(drive, XFER_UDMA_6); |
1253 | } | 1252 | } |
1254 | 1253 | ||
1255 | void ide_dma_off_quietly(ide_drive_t *); | 1254 | void ide_dma_off_quietly(ide_drive_t *); |
1256 | void ide_dma_off(ide_drive_t *); | 1255 | void ide_dma_off(ide_drive_t *); |
1257 | void ide_dma_on(ide_drive_t *); | 1256 | void ide_dma_on(ide_drive_t *); |
1258 | int ide_set_dma(ide_drive_t *); | 1257 | int ide_set_dma(ide_drive_t *); |
1259 | void ide_check_dma_crc(ide_drive_t *); | 1258 | void ide_check_dma_crc(ide_drive_t *); |
1260 | ide_startstop_t ide_dma_intr(ide_drive_t *); | 1259 | ide_startstop_t ide_dma_intr(ide_drive_t *); |
1261 | 1260 | ||
1262 | int ide_build_sglist(ide_drive_t *, struct request *); | 1261 | int ide_build_sglist(ide_drive_t *, struct request *); |
1263 | void ide_destroy_dmatable(ide_drive_t *); | 1262 | void ide_destroy_dmatable(ide_drive_t *); |
1264 | 1263 | ||
1265 | #ifdef CONFIG_BLK_DEV_IDEDMA_SFF | 1264 | #ifdef CONFIG_BLK_DEV_IDEDMA_SFF |
1266 | extern int ide_build_dmatable(ide_drive_t *, struct request *); | 1265 | extern int ide_build_dmatable(ide_drive_t *, struct request *); |
1267 | int ide_allocate_dma_engine(ide_hwif_t *); | 1266 | int ide_allocate_dma_engine(ide_hwif_t *); |
1268 | void ide_release_dma_engine(ide_hwif_t *); | 1267 | void ide_release_dma_engine(ide_hwif_t *); |
1269 | 1268 | ||
1270 | void ide_dma_host_set(ide_drive_t *, int); | 1269 | void ide_dma_host_set(ide_drive_t *, int); |
1271 | extern int ide_dma_setup(ide_drive_t *); | 1270 | extern int ide_dma_setup(ide_drive_t *); |
1272 | void ide_dma_exec_cmd(ide_drive_t *, u8); | 1271 | void ide_dma_exec_cmd(ide_drive_t *, u8); |
1273 | extern void ide_dma_start(ide_drive_t *); | 1272 | extern void ide_dma_start(ide_drive_t *); |
1274 | extern int __ide_dma_end(ide_drive_t *); | 1273 | extern int __ide_dma_end(ide_drive_t *); |
1275 | int ide_dma_test_irq(ide_drive_t *); | 1274 | int ide_dma_test_irq(ide_drive_t *); |
1276 | extern void ide_dma_lost_irq(ide_drive_t *); | 1275 | extern void ide_dma_lost_irq(ide_drive_t *); |
1277 | extern void ide_dma_timeout(ide_drive_t *); | 1276 | extern void ide_dma_timeout(ide_drive_t *); |
1277 | extern const struct ide_dma_ops sff_dma_ops; | ||
1278 | #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ | 1278 | #endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ |
1279 | 1279 | ||
1280 | #else | 1280 | #else |
1281 | static inline int ide_id_dma_bug(ide_drive_t *drive) { return 0; } | 1281 | static inline int ide_id_dma_bug(ide_drive_t *drive) { return 0; } |
1282 | static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; } | 1282 | static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; } |
1283 | static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; } | 1283 | static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; } |
1284 | static inline void ide_dma_off_quietly(ide_drive_t *drive) { ; } | 1284 | static inline void ide_dma_off_quietly(ide_drive_t *drive) { ; } |
1285 | static inline void ide_dma_off(ide_drive_t *drive) { ; } | 1285 | static inline void ide_dma_off(ide_drive_t *drive) { ; } |
1286 | static inline void ide_dma_on(ide_drive_t *drive) { ; } | 1286 | static inline void ide_dma_on(ide_drive_t *drive) { ; } |
1287 | static inline void ide_dma_verbose(ide_drive_t *drive) { ; } | 1287 | static inline void ide_dma_verbose(ide_drive_t *drive) { ; } |
1288 | static inline int ide_set_dma(ide_drive_t *drive) { return 1; } | 1288 | static inline int ide_set_dma(ide_drive_t *drive) { return 1; } |
1289 | static inline void ide_check_dma_crc(ide_drive_t *drive) { ; } | 1289 | static inline void ide_check_dma_crc(ide_drive_t *drive) { ; } |
1290 | #endif /* CONFIG_BLK_DEV_IDEDMA */ | 1290 | #endif /* CONFIG_BLK_DEV_IDEDMA */ |
1291 | 1291 | ||
1292 | #ifndef CONFIG_BLK_DEV_IDEDMA_SFF | 1292 | #ifndef CONFIG_BLK_DEV_IDEDMA_SFF |
1293 | static inline void ide_release_dma_engine(ide_hwif_t *hwif) { ; } | 1293 | static inline void ide_release_dma_engine(ide_hwif_t *hwif) { ; } |
1294 | #endif | 1294 | #endif |
1295 | 1295 | ||
1296 | #ifdef CONFIG_BLK_DEV_IDEACPI | 1296 | #ifdef CONFIG_BLK_DEV_IDEACPI |
1297 | extern int ide_acpi_exec_tfs(ide_drive_t *drive); | 1297 | extern int ide_acpi_exec_tfs(ide_drive_t *drive); |
1298 | extern void ide_acpi_get_timing(ide_hwif_t *hwif); | 1298 | extern void ide_acpi_get_timing(ide_hwif_t *hwif); |
1299 | extern void ide_acpi_push_timing(ide_hwif_t *hwif); | 1299 | extern void ide_acpi_push_timing(ide_hwif_t *hwif); |
1300 | extern void ide_acpi_init(ide_hwif_t *hwif); | 1300 | extern void ide_acpi_init(ide_hwif_t *hwif); |
1301 | void ide_acpi_port_init_devices(ide_hwif_t *); | 1301 | void ide_acpi_port_init_devices(ide_hwif_t *); |
1302 | extern void ide_acpi_set_state(ide_hwif_t *hwif, int on); | 1302 | extern void ide_acpi_set_state(ide_hwif_t *hwif, int on); |
1303 | #else | 1303 | #else |
1304 | static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; } | 1304 | static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; } |
1305 | static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; } | 1305 | static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; } |
1306 | static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; } | 1306 | static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; } |
1307 | static inline void ide_acpi_init(ide_hwif_t *hwif) { ; } | 1307 | static inline void ide_acpi_init(ide_hwif_t *hwif) { ; } |
1308 | static inline void ide_acpi_port_init_devices(ide_hwif_t *hwif) { ; } | 1308 | static inline void ide_acpi_port_init_devices(ide_hwif_t *hwif) { ; } |
1309 | static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {} | 1309 | static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {} |
1310 | #endif | 1310 | #endif |
1311 | 1311 | ||
1312 | void ide_remove_port_from_hwgroup(ide_hwif_t *); | 1312 | void ide_remove_port_from_hwgroup(ide_hwif_t *); |
1313 | void ide_unregister(ide_hwif_t *); | 1313 | void ide_unregister(ide_hwif_t *); |
1314 | 1314 | ||
1315 | void ide_register_region(struct gendisk *); | 1315 | void ide_register_region(struct gendisk *); |
1316 | void ide_unregister_region(struct gendisk *); | 1316 | void ide_unregister_region(struct gendisk *); |
1317 | 1317 | ||
1318 | void ide_undecoded_slave(ide_drive_t *); | 1318 | void ide_undecoded_slave(ide_drive_t *); |
1319 | 1319 | ||
1320 | void ide_port_apply_params(ide_hwif_t *); | 1320 | void ide_port_apply_params(ide_hwif_t *); |
1321 | 1321 | ||
1322 | struct ide_host *ide_host_alloc_all(const struct ide_port_info *, hw_regs_t **); | 1322 | struct ide_host *ide_host_alloc_all(const struct ide_port_info *, hw_regs_t **); |
1323 | struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **); | 1323 | struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **); |
1324 | void ide_host_free(struct ide_host *); | 1324 | void ide_host_free(struct ide_host *); |
1325 | int ide_host_register(struct ide_host *, const struct ide_port_info *, | 1325 | int ide_host_register(struct ide_host *, const struct ide_port_info *, |
1326 | hw_regs_t **); | 1326 | hw_regs_t **); |
1327 | int ide_host_add(const struct ide_port_info *, hw_regs_t **, | 1327 | int ide_host_add(const struct ide_port_info *, hw_regs_t **, |
1328 | struct ide_host **); | 1328 | struct ide_host **); |
1329 | void ide_host_remove(struct ide_host *); | 1329 | void ide_host_remove(struct ide_host *); |
1330 | int ide_legacy_device_add(const struct ide_port_info *, unsigned long); | 1330 | int ide_legacy_device_add(const struct ide_port_info *, unsigned long); |
1331 | void ide_port_unregister_devices(ide_hwif_t *); | 1331 | void ide_port_unregister_devices(ide_hwif_t *); |
1332 | void ide_port_scan(ide_hwif_t *); | 1332 | void ide_port_scan(ide_hwif_t *); |
1333 | 1333 | ||
1334 | static inline void *ide_get_hwifdata (ide_hwif_t * hwif) | 1334 | static inline void *ide_get_hwifdata (ide_hwif_t * hwif) |
1335 | { | 1335 | { |
1336 | return hwif->hwif_data; | 1336 | return hwif->hwif_data; |
1337 | } | 1337 | } |
1338 | 1338 | ||
1339 | static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data) | 1339 | static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data) |
1340 | { | 1340 | { |
1341 | hwif->hwif_data = data; | 1341 | hwif->hwif_data = data; |
1342 | } | 1342 | } |
1343 | 1343 | ||
1344 | const char *ide_xfer_verbose(u8 mode); | 1344 | const char *ide_xfer_verbose(u8 mode); |
1345 | extern void ide_toggle_bounce(ide_drive_t *drive, int on); | 1345 | extern void ide_toggle_bounce(ide_drive_t *drive, int on); |
1346 | extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate); | 1346 | extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate); |
1347 | 1347 | ||
1348 | static inline int ide_dev_has_iordy(struct hd_driveid *id) | 1348 | static inline int ide_dev_has_iordy(struct hd_driveid *id) |
1349 | { | 1349 | { |
1350 | return ((id->field_valid & 2) && (id->capability & 8)) ? 1 : 0; | 1350 | return ((id->field_valid & 2) && (id->capability & 8)) ? 1 : 0; |
1351 | } | 1351 | } |
1352 | 1352 | ||
1353 | static inline int ide_dev_is_sata(struct hd_driveid *id) | 1353 | static inline int ide_dev_is_sata(struct hd_driveid *id) |
1354 | { | 1354 | { |
1355 | /* | 1355 | /* |
1356 | * See if word 93 is 0 AND drive is at least ATA-5 compatible | 1356 | * See if word 93 is 0 AND drive is at least ATA-5 compatible |
1357 | * verifying that word 80 by casting it to a signed type -- | 1357 | * verifying that word 80 by casting it to a signed type -- |
1358 | * this trick allows us to filter out the reserved values of | 1358 | * this trick allows us to filter out the reserved values of |
1359 | * 0x0000 and 0xffff along with the earlier ATA revisions... | 1359 | * 0x0000 and 0xffff along with the earlier ATA revisions... |
1360 | */ | 1360 | */ |
1361 | if (id->hw_config == 0 && (short)id->major_rev_num >= 0x0020) | 1361 | if (id->hw_config == 0 && (short)id->major_rev_num >= 0x0020) |
1362 | return 1; | 1362 | return 1; |
1363 | return 0; | 1363 | return 0; |
1364 | } | 1364 | } |
1365 | 1365 | ||
1366 | u64 ide_get_lba_addr(struct ide_taskfile *, int); | 1366 | u64 ide_get_lba_addr(struct ide_taskfile *, int); |
1367 | u8 ide_dump_status(ide_drive_t *, const char *, u8); | 1367 | u8 ide_dump_status(ide_drive_t *, const char *, u8); |
1368 | 1368 | ||
1369 | struct ide_timing { | 1369 | struct ide_timing { |
1370 | u8 mode; | 1370 | u8 mode; |
1371 | u8 setup; /* t1 */ | 1371 | u8 setup; /* t1 */ |
1372 | u16 act8b; /* t2 for 8-bit io */ | 1372 | u16 act8b; /* t2 for 8-bit io */ |
1373 | u16 rec8b; /* t2i for 8-bit io */ | 1373 | u16 rec8b; /* t2i for 8-bit io */ |
1374 | u16 cyc8b; /* t0 for 8-bit io */ | 1374 | u16 cyc8b; /* t0 for 8-bit io */ |
1375 | u16 active; /* t2 or tD */ | 1375 | u16 active; /* t2 or tD */ |
1376 | u16 recover; /* t2i or tK */ | 1376 | u16 recover; /* t2i or tK */ |
1377 | u16 cycle; /* t0 */ | 1377 | u16 cycle; /* t0 */ |
1378 | u16 udma; /* t2CYCTYP/2 */ | 1378 | u16 udma; /* t2CYCTYP/2 */ |
1379 | }; | 1379 | }; |
1380 | 1380 | ||
1381 | enum { | 1381 | enum { |
1382 | IDE_TIMING_SETUP = (1 << 0), | 1382 | IDE_TIMING_SETUP = (1 << 0), |
1383 | IDE_TIMING_ACT8B = (1 << 1), | 1383 | IDE_TIMING_ACT8B = (1 << 1), |
1384 | IDE_TIMING_REC8B = (1 << 2), | 1384 | IDE_TIMING_REC8B = (1 << 2), |
1385 | IDE_TIMING_CYC8B = (1 << 3), | 1385 | IDE_TIMING_CYC8B = (1 << 3), |
1386 | IDE_TIMING_8BIT = IDE_TIMING_ACT8B | IDE_TIMING_REC8B | | 1386 | IDE_TIMING_8BIT = IDE_TIMING_ACT8B | IDE_TIMING_REC8B | |
1387 | IDE_TIMING_CYC8B, | 1387 | IDE_TIMING_CYC8B, |
1388 | IDE_TIMING_ACTIVE = (1 << 4), | 1388 | IDE_TIMING_ACTIVE = (1 << 4), |
1389 | IDE_TIMING_RECOVER = (1 << 5), | 1389 | IDE_TIMING_RECOVER = (1 << 5), |
1390 | IDE_TIMING_CYCLE = (1 << 6), | 1390 | IDE_TIMING_CYCLE = (1 << 6), |
1391 | IDE_TIMING_UDMA = (1 << 7), | 1391 | IDE_TIMING_UDMA = (1 << 7), |
1392 | IDE_TIMING_ALL = IDE_TIMING_SETUP | IDE_TIMING_8BIT | | 1392 | IDE_TIMING_ALL = IDE_TIMING_SETUP | IDE_TIMING_8BIT | |
1393 | IDE_TIMING_ACTIVE | IDE_TIMING_RECOVER | | 1393 | IDE_TIMING_ACTIVE | IDE_TIMING_RECOVER | |
1394 | IDE_TIMING_CYCLE | IDE_TIMING_UDMA, | 1394 | IDE_TIMING_CYCLE | IDE_TIMING_UDMA, |
1395 | }; | 1395 | }; |
1396 | 1396 | ||
1397 | struct ide_timing *ide_timing_find_mode(u8); | 1397 | struct ide_timing *ide_timing_find_mode(u8); |
1398 | u16 ide_pio_cycle_time(ide_drive_t *, u8); | 1398 | u16 ide_pio_cycle_time(ide_drive_t *, u8); |
1399 | void ide_timing_merge(struct ide_timing *, struct ide_timing *, | 1399 | void ide_timing_merge(struct ide_timing *, struct ide_timing *, |
1400 | struct ide_timing *, unsigned int); | 1400 | struct ide_timing *, unsigned int); |
1401 | int ide_timing_compute(ide_drive_t *, u8, struct ide_timing *, int, int); | 1401 | int ide_timing_compute(ide_drive_t *, u8, struct ide_timing *, int, int); |
1402 | 1402 | ||
1403 | int ide_scan_pio_blacklist(char *); | 1403 | int ide_scan_pio_blacklist(char *); |
1404 | 1404 | ||
1405 | u8 ide_get_best_pio_mode(ide_drive_t *, u8, u8); | 1405 | u8 ide_get_best_pio_mode(ide_drive_t *, u8, u8); |
1406 | 1406 | ||
1407 | int ide_set_pio_mode(ide_drive_t *, u8); | 1407 | int ide_set_pio_mode(ide_drive_t *, u8); |
1408 | int ide_set_dma_mode(ide_drive_t *, u8); | 1408 | int ide_set_dma_mode(ide_drive_t *, u8); |
1409 | 1409 | ||
1410 | void ide_set_pio(ide_drive_t *, u8); | 1410 | void ide_set_pio(ide_drive_t *, u8); |
1411 | 1411 | ||
1412 | static inline void ide_set_max_pio(ide_drive_t *drive) | 1412 | static inline void ide_set_max_pio(ide_drive_t *drive) |
1413 | { | 1413 | { |
1414 | ide_set_pio(drive, 255); | 1414 | ide_set_pio(drive, 255); |
1415 | } | 1415 | } |
1416 | 1416 | ||
1417 | extern spinlock_t ide_lock; | 1417 | extern spinlock_t ide_lock; |
1418 | extern struct mutex ide_cfg_mtx; | 1418 | extern struct mutex ide_cfg_mtx; |
1419 | /* | 1419 | /* |
1420 | * Structure locking: | 1420 | * Structure locking: |
1421 | * | 1421 | * |
1422 | * ide_cfg_mtx and ide_lock together protect changes to | 1422 | * ide_cfg_mtx and ide_lock together protect changes to |
1423 | * ide_hwif_t->{next,hwgroup} | 1423 | * ide_hwif_t->{next,hwgroup} |
1424 | * ide_drive_t->next | 1424 | * ide_drive_t->next |
1425 | * | 1425 | * |
1426 | * ide_hwgroup_t->busy: ide_lock | 1426 | * ide_hwgroup_t->busy: ide_lock |
1427 | * ide_hwgroup_t->hwif: ide_lock | 1427 | * ide_hwgroup_t->hwif: ide_lock |
1428 | * ide_hwif_t->mate: constant, no locking | 1428 | * ide_hwif_t->mate: constant, no locking |
1429 | * ide_drive_t->hwif: constant, no locking | 1429 | * ide_drive_t->hwif: constant, no locking |
1430 | */ | 1430 | */ |
1431 | 1431 | ||
1432 | #define local_irq_set(flags) do { local_save_flags((flags)); local_irq_enable_in_hardirq(); } while (0) | 1432 | #define local_irq_set(flags) do { local_save_flags((flags)); local_irq_enable_in_hardirq(); } while (0) |
1433 | 1433 | ||
1434 | extern struct bus_type ide_bus_type; | 1434 | extern struct bus_type ide_bus_type; |
1435 | extern struct class *ide_port_class; | 1435 | extern struct class *ide_port_class; |
1436 | 1436 | ||
1437 | /* check if CACHE FLUSH (EXT) command is supported (bits defined in ATA-6) */ | 1437 | /* check if CACHE FLUSH (EXT) command is supported (bits defined in ATA-6) */ |
1438 | #define ide_id_has_flush_cache(id) ((id)->cfs_enable_2 & 0x3000) | 1438 | #define ide_id_has_flush_cache(id) ((id)->cfs_enable_2 & 0x3000) |
1439 | 1439 | ||
1440 | /* some Maxtor disks have bit 13 defined incorrectly so check bit 10 too */ | 1440 | /* some Maxtor disks have bit 13 defined incorrectly so check bit 10 too */ |
1441 | #define ide_id_has_flush_cache_ext(id) \ | 1441 | #define ide_id_has_flush_cache_ext(id) \ |
1442 | (((id)->cfs_enable_2 & 0x2400) == 0x2400) | 1442 | (((id)->cfs_enable_2 & 0x2400) == 0x2400) |
1443 | 1443 | ||
1444 | static inline void ide_dump_identify(u8 *id) | 1444 | static inline void ide_dump_identify(u8 *id) |
1445 | { | 1445 | { |
1446 | print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 2, id, 512, 0); | 1446 | print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 2, id, 512, 0); |
1447 | } | 1447 | } |
1448 | 1448 | ||
1449 | static inline int hwif_to_node(ide_hwif_t *hwif) | 1449 | static inline int hwif_to_node(ide_hwif_t *hwif) |
1450 | { | 1450 | { |
1451 | struct pci_dev *dev = to_pci_dev(hwif->dev); | 1451 | struct pci_dev *dev = to_pci_dev(hwif->dev); |
1452 | return hwif->dev ? pcibus_to_node(dev->bus) : -1; | 1452 | return hwif->dev ? pcibus_to_node(dev->bus) : -1; |
1453 | } | 1453 | } |
1454 | 1454 | ||
1455 | static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive) | 1455 | static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive) |
1456 | { | 1456 | { |
1457 | ide_hwif_t *hwif = HWIF(drive); | 1457 | ide_hwif_t *hwif = HWIF(drive); |
1458 | 1458 | ||
1459 | return &hwif->drives[(drive->dn ^ 1) & 1]; | 1459 | return &hwif->drives[(drive->dn ^ 1) & 1]; |
1460 | } | 1460 | } |
1461 | #endif /* _IDE_H */ | 1461 | #endif /* _IDE_H */ |