Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * Copyright (c) 1996-2004 Russell King. |
| 3 | * |
| 4 | * Please note that this platform does not support 32-bit IDE IO. |
| 5 | */ |
| 6 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | #include <linux/string.h> |
| 8 | #include <linux/module.h> |
| 9 | #include <linux/ioport.h> |
| 10 | #include <linux/slab.h> |
| 11 | #include <linux/blkdev.h> |
| 12 | #include <linux/errno.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | #include <linux/ide.h> |
| 14 | #include <linux/dma-mapping.h> |
| 15 | #include <linux/device.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/scatterlist.h> |
Al Viro | ba5b55d | 2007-07-15 21:01:32 +0100 | [diff] [blame] | 18 | #include <linux/io.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | |
| 20 | #include <asm/dma.h> |
| 21 | #include <asm/ecard.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | |
Bartlomiej Zolnierkiewicz | 67717e2 | 2008-07-16 20:33:44 +0200 | [diff] [blame] | 23 | #define DRV_NAME "icside" |
| 24 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | #define ICS_IDENT_OFFSET 0x2280 |
| 26 | |
| 27 | #define ICS_ARCIN_V5_INTRSTAT 0x0000 |
| 28 | #define ICS_ARCIN_V5_INTROFFSET 0x0004 |
| 29 | #define ICS_ARCIN_V5_IDEOFFSET 0x2800 |
| 30 | #define ICS_ARCIN_V5_IDEALTOFFSET 0x2b80 |
| 31 | #define ICS_ARCIN_V5_IDESTEPPING 6 |
| 32 | |
| 33 | #define ICS_ARCIN_V6_IDEOFFSET_1 0x2000 |
| 34 | #define ICS_ARCIN_V6_INTROFFSET_1 0x2200 |
| 35 | #define ICS_ARCIN_V6_INTRSTAT_1 0x2290 |
| 36 | #define ICS_ARCIN_V6_IDEALTOFFSET_1 0x2380 |
| 37 | #define ICS_ARCIN_V6_IDEOFFSET_2 0x3000 |
| 38 | #define ICS_ARCIN_V6_INTROFFSET_2 0x3200 |
| 39 | #define ICS_ARCIN_V6_INTRSTAT_2 0x3290 |
| 40 | #define ICS_ARCIN_V6_IDEALTOFFSET_2 0x3380 |
| 41 | #define ICS_ARCIN_V6_IDESTEPPING 6 |
| 42 | |
| 43 | struct cardinfo { |
| 44 | unsigned int dataoffset; |
| 45 | unsigned int ctrloffset; |
| 46 | unsigned int stepping; |
| 47 | }; |
| 48 | |
| 49 | static struct cardinfo icside_cardinfo_v5 = { |
| 50 | .dataoffset = ICS_ARCIN_V5_IDEOFFSET, |
| 51 | .ctrloffset = ICS_ARCIN_V5_IDEALTOFFSET, |
| 52 | .stepping = ICS_ARCIN_V5_IDESTEPPING, |
| 53 | }; |
| 54 | |
| 55 | static struct cardinfo icside_cardinfo_v6_1 = { |
| 56 | .dataoffset = ICS_ARCIN_V6_IDEOFFSET_1, |
| 57 | .ctrloffset = ICS_ARCIN_V6_IDEALTOFFSET_1, |
| 58 | .stepping = ICS_ARCIN_V6_IDESTEPPING, |
| 59 | }; |
| 60 | |
| 61 | static struct cardinfo icside_cardinfo_v6_2 = { |
| 62 | .dataoffset = ICS_ARCIN_V6_IDEOFFSET_2, |
| 63 | .ctrloffset = ICS_ARCIN_V6_IDEALTOFFSET_2, |
| 64 | .stepping = ICS_ARCIN_V6_IDESTEPPING, |
| 65 | }; |
| 66 | |
| 67 | struct icside_state { |
| 68 | unsigned int channel; |
| 69 | unsigned int enabled; |
| 70 | void __iomem *irq_port; |
| 71 | void __iomem *ioc_base; |
Bartlomiej Zolnierkiewicz | 26839f0 | 2008-07-16 20:33:40 +0200 | [diff] [blame] | 72 | unsigned int sel; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | unsigned int type; |
Bartlomiej Zolnierkiewicz | 48c3c10 | 2008-07-23 19:55:57 +0200 | [diff] [blame] | 74 | struct ide_host *host; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | }; |
| 76 | |
| 77 | #define ICS_TYPE_A3IN 0 |
| 78 | #define ICS_TYPE_A3USER 1 |
| 79 | #define ICS_TYPE_V6 3 |
| 80 | #define ICS_TYPE_V5 15 |
| 81 | #define ICS_TYPE_NOTYPE ((unsigned int)-1) |
| 82 | |
| 83 | /* ---------------- Version 5 PCB Support Functions --------------------- */ |
| 84 | /* Prototype: icside_irqenable_arcin_v5 (struct expansion_card *ec, int irqnr) |
| 85 | * Purpose : enable interrupts from card |
| 86 | */ |
| 87 | static void icside_irqenable_arcin_v5 (struct expansion_card *ec, int irqnr) |
| 88 | { |
| 89 | struct icside_state *state = ec->irq_data; |
| 90 | |
| 91 | writeb(0, state->irq_port + ICS_ARCIN_V5_INTROFFSET); |
| 92 | } |
| 93 | |
| 94 | /* Prototype: icside_irqdisable_arcin_v5 (struct expansion_card *ec, int irqnr) |
| 95 | * Purpose : disable interrupts from card |
| 96 | */ |
| 97 | static void icside_irqdisable_arcin_v5 (struct expansion_card *ec, int irqnr) |
| 98 | { |
| 99 | struct icside_state *state = ec->irq_data; |
| 100 | |
| 101 | readb(state->irq_port + ICS_ARCIN_V5_INTROFFSET); |
| 102 | } |
| 103 | |
| 104 | static const expansioncard_ops_t icside_ops_arcin_v5 = { |
| 105 | .irqenable = icside_irqenable_arcin_v5, |
| 106 | .irqdisable = icside_irqdisable_arcin_v5, |
| 107 | }; |
| 108 | |
| 109 | |
| 110 | /* ---------------- Version 6 PCB Support Functions --------------------- */ |
| 111 | /* Prototype: icside_irqenable_arcin_v6 (struct expansion_card *ec, int irqnr) |
| 112 | * Purpose : enable interrupts from card |
| 113 | */ |
| 114 | static void icside_irqenable_arcin_v6 (struct expansion_card *ec, int irqnr) |
| 115 | { |
| 116 | struct icside_state *state = ec->irq_data; |
| 117 | void __iomem *base = state->irq_port; |
| 118 | |
| 119 | state->enabled = 1; |
| 120 | |
| 121 | switch (state->channel) { |
| 122 | case 0: |
| 123 | writeb(0, base + ICS_ARCIN_V6_INTROFFSET_1); |
| 124 | readb(base + ICS_ARCIN_V6_INTROFFSET_2); |
| 125 | break; |
| 126 | case 1: |
| 127 | writeb(0, base + ICS_ARCIN_V6_INTROFFSET_2); |
| 128 | readb(base + ICS_ARCIN_V6_INTROFFSET_1); |
| 129 | break; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | /* Prototype: icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr) |
| 134 | * Purpose : disable interrupts from card |
| 135 | */ |
| 136 | static void icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr) |
| 137 | { |
| 138 | struct icside_state *state = ec->irq_data; |
| 139 | |
| 140 | state->enabled = 0; |
| 141 | |
| 142 | readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1); |
| 143 | readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2); |
| 144 | } |
| 145 | |
| 146 | /* Prototype: icside_irqprobe(struct expansion_card *ec) |
| 147 | * Purpose : detect an active interrupt from card |
| 148 | */ |
| 149 | static int icside_irqpending_arcin_v6(struct expansion_card *ec) |
| 150 | { |
| 151 | struct icside_state *state = ec->irq_data; |
| 152 | |
| 153 | return readb(state->irq_port + ICS_ARCIN_V6_INTRSTAT_1) & 1 || |
| 154 | readb(state->irq_port + ICS_ARCIN_V6_INTRSTAT_2) & 1; |
| 155 | } |
| 156 | |
| 157 | static const expansioncard_ops_t icside_ops_arcin_v6 = { |
| 158 | .irqenable = icside_irqenable_arcin_v6, |
| 159 | .irqdisable = icside_irqdisable_arcin_v6, |
| 160 | .irqpending = icside_irqpending_arcin_v6, |
| 161 | }; |
| 162 | |
| 163 | /* |
| 164 | * Handle routing of interrupts. This is called before |
| 165 | * we write the command to the drive. |
| 166 | */ |
| 167 | static void icside_maskproc(ide_drive_t *drive, int mask) |
| 168 | { |
Bartlomiej Zolnierkiewicz | 898ec22 | 2009-01-06 17:20:52 +0100 | [diff] [blame] | 169 | ide_hwif_t *hwif = drive->hwif; |
Bartlomiej Zolnierkiewicz | 26839f0 | 2008-07-16 20:33:40 +0200 | [diff] [blame] | 170 | struct expansion_card *ec = ECARD_DEV(hwif->dev); |
| 171 | struct icside_state *state = ecard_get_drvdata(ec); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | unsigned long flags; |
| 173 | |
| 174 | local_irq_save(flags); |
| 175 | |
| 176 | state->channel = hwif->channel; |
| 177 | |
| 178 | if (state->enabled && !mask) { |
| 179 | switch (hwif->channel) { |
| 180 | case 0: |
| 181 | writeb(0, state->irq_port + ICS_ARCIN_V6_INTROFFSET_1); |
| 182 | readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2); |
| 183 | break; |
| 184 | case 1: |
| 185 | writeb(0, state->irq_port + ICS_ARCIN_V6_INTROFFSET_2); |
| 186 | readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1); |
| 187 | break; |
| 188 | } |
| 189 | } else { |
| 190 | readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2); |
| 191 | readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1); |
| 192 | } |
| 193 | |
| 194 | local_irq_restore(flags); |
| 195 | } |
| 196 | |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 197 | static const struct ide_port_ops icside_v6_no_dma_port_ops = { |
| 198 | .maskproc = icside_maskproc, |
| 199 | }; |
| 200 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | #ifdef CONFIG_BLK_DEV_IDEDMA_ICS |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | /* |
| 203 | * SG-DMA support. |
| 204 | * |
| 205 | * Similar to the BM-DMA, but we use the RiscPCs IOMD DMA controllers. |
| 206 | * There is only one DMA controller per card, which means that only |
| 207 | * one drive can be accessed at one time. NOTE! We do not enforce that |
| 208 | * here, but we rely on the main IDE driver spotting that both |
| 209 | * interfaces use the same IRQ, which should guarantee this. |
| 210 | */ |
| 211 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | /* |
| 213 | * Configure the IOMD to give the appropriate timings for the transfer |
| 214 | * mode being requested. We take the advice of the ATA standards, and |
| 215 | * calculate the cycle time based on the transfer mode, and the EIDE |
| 216 | * MW DMA specs that the drive provides in the IDENTIFY command. |
| 217 | * |
| 218 | * We have the following IOMD DMA modes to choose from: |
| 219 | * |
| 220 | * Type Active Recovery Cycle |
| 221 | * A 250 (250) 312 (550) 562 (800) |
| 222 | * B 187 250 437 |
| 223 | * C 125 (125) 125 (375) 250 (500) |
| 224 | * D 62 125 187 |
| 225 | * |
| 226 | * (figures in brackets are actual measured timings) |
| 227 | * |
| 228 | * However, we also need to take care of the read/write active and |
| 229 | * recovery timings: |
| 230 | * |
| 231 | * Read Write |
| 232 | * Mode Active -- Recovery -- Cycle IOMD type |
| 233 | * MW0 215 50 215 480 A |
| 234 | * MW1 80 50 50 150 C |
| 235 | * MW2 70 25 25 120 C |
| 236 | */ |
Bartlomiej Zolnierkiewicz | 88b2b32 | 2007-10-13 17:47:51 +0200 | [diff] [blame] | 237 | static void icside_set_dma_mode(ide_drive_t *drive, const u8 xfer_mode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | { |
Bartlomiej Zolnierkiewicz | f44ae58 | 2007-10-11 23:54:00 +0200 | [diff] [blame] | 239 | int cycle_time, use_dma_info = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | switch (xfer_mode) { |
| 242 | case XFER_MW_DMA_2: |
| 243 | cycle_time = 250; |
| 244 | use_dma_info = 1; |
| 245 | break; |
| 246 | |
| 247 | case XFER_MW_DMA_1: |
| 248 | cycle_time = 250; |
| 249 | use_dma_info = 1; |
| 250 | break; |
| 251 | |
| 252 | case XFER_MW_DMA_0: |
| 253 | cycle_time = 480; |
| 254 | break; |
| 255 | |
| 256 | case XFER_SW_DMA_2: |
| 257 | case XFER_SW_DMA_1: |
| 258 | case XFER_SW_DMA_0: |
| 259 | cycle_time = 480; |
| 260 | break; |
| 261 | } |
| 262 | |
| 263 | /* |
| 264 | * If we're going to be doing MW_DMA_1 or MW_DMA_2, we should |
| 265 | * take care to note the values in the ID... |
| 266 | */ |
Bartlomiej Zolnierkiewicz | 4dde449 | 2008-10-10 22:39:19 +0200 | [diff] [blame] | 267 | if (use_dma_info && drive->id[ATA_ID_EIDE_DMA_TIME] > cycle_time) |
| 268 | cycle_time = drive->id[ATA_ID_EIDE_DMA_TIME]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | |
| 270 | drive->drive_data = cycle_time; |
| 271 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | printk("%s: %s selected (peak %dMB/s)\n", drive->name, |
| 273 | ide_xfer_verbose(xfer_mode), 2000 / drive->drive_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | } |
| 275 | |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 276 | static const struct ide_port_ops icside_v6_port_ops = { |
| 277 | .set_dma_mode = icside_set_dma_mode, |
| 278 | .maskproc = icside_maskproc, |
| 279 | }; |
| 280 | |
Bartlomiej Zolnierkiewicz | 15ce926 | 2008-01-26 20:13:03 +0100 | [diff] [blame] | 281 | static void icside_dma_host_set(ide_drive_t *drive, int on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | } |
| 284 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | static int icside_dma_end(ide_drive_t *drive) |
| 286 | { |
Bartlomiej Zolnierkiewicz | 898ec22 | 2009-01-06 17:20:52 +0100 | [diff] [blame] | 287 | ide_hwif_t *hwif = drive->hwif; |
Bartlomiej Zolnierkiewicz | f8341c1 | 2008-02-01 23:09:32 +0100 | [diff] [blame] | 288 | struct expansion_card *ec = ECARD_DEV(hwif->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | |
| 290 | drive->waiting_for_dma = 0; |
| 291 | |
Bartlomiej Zolnierkiewicz | f8341c1 | 2008-02-01 23:09:32 +0100 | [diff] [blame] | 292 | disable_dma(ec->dma); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | |
| 294 | /* Teardown mappings after DMA has completed. */ |
Bartlomiej Zolnierkiewicz | 062f9f0 | 2008-02-01 23:09:32 +0100 | [diff] [blame] | 295 | ide_destroy_dmatable(drive); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | |
Bartlomiej Zolnierkiewicz | f8341c1 | 2008-02-01 23:09:32 +0100 | [diff] [blame] | 297 | return get_dma_residue(ec->dma) != 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | } |
| 299 | |
| 300 | static void icside_dma_start(ide_drive_t *drive) |
| 301 | { |
Bartlomiej Zolnierkiewicz | 898ec22 | 2009-01-06 17:20:52 +0100 | [diff] [blame] | 302 | ide_hwif_t *hwif = drive->hwif; |
Bartlomiej Zolnierkiewicz | f8341c1 | 2008-02-01 23:09:32 +0100 | [diff] [blame] | 303 | struct expansion_card *ec = ECARD_DEV(hwif->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | |
| 305 | /* We can not enable DMA on both channels simultaneously. */ |
Bartlomiej Zolnierkiewicz | f8341c1 | 2008-02-01 23:09:32 +0100 | [diff] [blame] | 306 | BUG_ON(dma_channel_active(ec->dma)); |
| 307 | enable_dma(ec->dma); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | } |
| 309 | |
| 310 | static int icside_dma_setup(ide_drive_t *drive) |
| 311 | { |
Bartlomiej Zolnierkiewicz | 898ec22 | 2009-01-06 17:20:52 +0100 | [diff] [blame] | 312 | ide_hwif_t *hwif = drive->hwif; |
Bartlomiej Zolnierkiewicz | f8341c1 | 2008-02-01 23:09:32 +0100 | [diff] [blame] | 313 | struct expansion_card *ec = ECARD_DEV(hwif->dev); |
Bartlomiej Zolnierkiewicz | 26839f0 | 2008-07-16 20:33:40 +0200 | [diff] [blame] | 314 | struct icside_state *state = ecard_get_drvdata(ec); |
Bartlomiej Zolnierkiewicz | b65fac3 | 2009-01-06 17:20:50 +0100 | [diff] [blame] | 315 | struct request *rq = hwif->rq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | unsigned int dma_mode; |
| 317 | |
| 318 | if (rq_data_dir(rq)) |
| 319 | dma_mode = DMA_MODE_WRITE; |
| 320 | else |
| 321 | dma_mode = DMA_MODE_READ; |
| 322 | |
| 323 | /* |
| 324 | * We can not enable DMA on both channels. |
| 325 | */ |
Bartlomiej Zolnierkiewicz | f8341c1 | 2008-02-01 23:09:32 +0100 | [diff] [blame] | 326 | BUG_ON(dma_channel_active(ec->dma)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | |
Bartlomiej Zolnierkiewicz | 062f9f0 | 2008-02-01 23:09:32 +0100 | [diff] [blame] | 328 | hwif->sg_nents = ide_build_sglist(drive, rq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | |
| 330 | /* |
| 331 | * Ensure that we have the right interrupt routed. |
| 332 | */ |
| 333 | icside_maskproc(drive, 0); |
| 334 | |
| 335 | /* |
| 336 | * Route the DMA signals to the correct interface. |
| 337 | */ |
Bartlomiej Zolnierkiewicz | 26839f0 | 2008-07-16 20:33:40 +0200 | [diff] [blame] | 338 | writeb(state->sel | hwif->channel, state->ioc_base); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 339 | |
| 340 | /* |
| 341 | * Select the correct timing for this drive. |
| 342 | */ |
Bartlomiej Zolnierkiewicz | f8341c1 | 2008-02-01 23:09:32 +0100 | [diff] [blame] | 343 | set_dma_speed(ec->dma, drive->drive_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | |
| 345 | /* |
| 346 | * Tell the DMA engine about the SG table and |
| 347 | * data direction. |
| 348 | */ |
Bartlomiej Zolnierkiewicz | f8341c1 | 2008-02-01 23:09:32 +0100 | [diff] [blame] | 349 | set_dma_sg(ec->dma, hwif->sg_table, hwif->sg_nents); |
| 350 | set_dma_mode(ec->dma, dma_mode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | |
| 352 | drive->waiting_for_dma = 1; |
| 353 | |
| 354 | return 0; |
| 355 | } |
| 356 | |
| 357 | static void icside_dma_exec_cmd(ide_drive_t *drive, u8 cmd) |
| 358 | { |
| 359 | /* issue cmd to drive */ |
| 360 | ide_execute_command(drive, cmd, ide_dma_intr, 2 * WAIT_CMD, NULL); |
| 361 | } |
| 362 | |
| 363 | static int icside_dma_test_irq(ide_drive_t *drive) |
| 364 | { |
Bartlomiej Zolnierkiewicz | 898ec22 | 2009-01-06 17:20:52 +0100 | [diff] [blame] | 365 | ide_hwif_t *hwif = drive->hwif; |
Bartlomiej Zolnierkiewicz | 26839f0 | 2008-07-16 20:33:40 +0200 | [diff] [blame] | 366 | struct expansion_card *ec = ECARD_DEV(hwif->dev); |
| 367 | struct icside_state *state = ecard_get_drvdata(ec); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | |
| 369 | return readb(state->irq_port + |
| 370 | (hwif->channel ? |
| 371 | ICS_ARCIN_V6_INTRSTAT_2 : |
| 372 | ICS_ARCIN_V6_INTRSTAT_1)) & 1; |
| 373 | } |
| 374 | |
Bartlomiej Zolnierkiewicz | 91432f4 | 2008-04-26 22:25:23 +0200 | [diff] [blame] | 375 | static int icside_dma_init(ide_hwif_t *hwif, const struct ide_port_info *d) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 376 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 377 | hwif->dmatable_cpu = NULL; |
| 378 | hwif->dmatable_dma = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 379 | |
Bartlomiej Zolnierkiewicz | 91432f4 | 2008-04-26 22:25:23 +0200 | [diff] [blame] | 380 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 381 | } |
Bartlomiej Zolnierkiewicz | 5e37bdc | 2008-04-26 22:25:24 +0200 | [diff] [blame] | 382 | |
Bartlomiej Zolnierkiewicz | f37afda | 2008-04-26 22:25:24 +0200 | [diff] [blame] | 383 | static const struct ide_dma_ops icside_v6_dma_ops = { |
Bartlomiej Zolnierkiewicz | 5e37bdc | 2008-04-26 22:25:24 +0200 | [diff] [blame] | 384 | .dma_host_set = icside_dma_host_set, |
| 385 | .dma_setup = icside_dma_setup, |
| 386 | .dma_exec_cmd = icside_dma_exec_cmd, |
| 387 | .dma_start = icside_dma_start, |
| 388 | .dma_end = icside_dma_end, |
| 389 | .dma_test_irq = icside_dma_test_irq, |
Bartlomiej Zolnierkiewicz | ffa15a6 | 2008-10-13 21:39:46 +0200 | [diff] [blame] | 390 | .dma_timeout = ide_dma_timeout, |
Bartlomiej Zolnierkiewicz | de23ec9 | 2008-10-13 21:39:46 +0200 | [diff] [blame] | 391 | .dma_lost_irq = ide_dma_lost_irq, |
Bartlomiej Zolnierkiewicz | 5e37bdc | 2008-04-26 22:25:24 +0200 | [diff] [blame] | 392 | }; |
| 393 | #else |
| 394 | #define icside_v6_dma_ops NULL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | #endif |
| 396 | |
Bartlomiej Zolnierkiewicz | 91432f4 | 2008-04-26 22:25:23 +0200 | [diff] [blame] | 397 | static int icside_dma_off_init(ide_hwif_t *hwif, const struct ide_port_info *d) |
| 398 | { |
| 399 | return -EOPNOTSUPP; |
| 400 | } |
| 401 | |
Bartlomiej Zolnierkiewicz | b25afdf | 2008-07-16 20:33:41 +0200 | [diff] [blame] | 402 | static void icside_setup_ports(hw_regs_t *hw, void __iomem *base, |
| 403 | struct cardinfo *info, struct expansion_card *ec) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | { |
| 405 | unsigned long port = (unsigned long)base + info->dataoffset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | |
Bartlomiej Zolnierkiewicz | b25afdf | 2008-07-16 20:33:41 +0200 | [diff] [blame] | 407 | hw->io_ports.data_addr = port; |
| 408 | hw->io_ports.error_addr = port + (1 << info->stepping); |
| 409 | hw->io_ports.nsect_addr = port + (2 << info->stepping); |
| 410 | hw->io_ports.lbal_addr = port + (3 << info->stepping); |
| 411 | hw->io_ports.lbam_addr = port + (4 << info->stepping); |
| 412 | hw->io_ports.lbah_addr = port + (5 << info->stepping); |
| 413 | hw->io_ports.device_addr = port + (6 << info->stepping); |
| 414 | hw->io_ports.status_addr = port + (7 << info->stepping); |
| 415 | hw->io_ports.ctl_addr = (unsigned long)base + info->ctrloffset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 416 | |
Bartlomiej Zolnierkiewicz | b25afdf | 2008-07-16 20:33:41 +0200 | [diff] [blame] | 417 | hw->irq = ec->irq; |
| 418 | hw->dev = &ec->dev; |
| 419 | hw->chipset = ide_acorn; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 420 | } |
| 421 | |
Al Viro | d16d766 | 2008-11-22 17:34:34 +0000 | [diff] [blame] | 422 | static int __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | icside_register_v5(struct icside_state *state, struct expansion_card *ec) |
| 424 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | void __iomem *base; |
Bartlomiej Zolnierkiewicz | 48c3c10 | 2008-07-23 19:55:57 +0200 | [diff] [blame] | 426 | struct ide_host *host; |
Bartlomiej Zolnierkiewicz | c97c6ac | 2008-07-23 19:55:50 +0200 | [diff] [blame] | 427 | hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; |
Bartlomiej Zolnierkiewicz | 8a69580 | 2008-07-23 19:55:59 +0200 | [diff] [blame] | 428 | int ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | |
Russell King | 10bdaaa | 2007-05-10 18:40:51 +0100 | [diff] [blame] | 430 | base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | if (!base) |
| 432 | return -ENOMEM; |
| 433 | |
| 434 | state->irq_port = base; |
| 435 | |
| 436 | ec->irqaddr = base + ICS_ARCIN_V5_INTRSTAT; |
| 437 | ec->irqmask = 1; |
Russell King | c7b87f3 | 2007-05-10 16:46:13 +0100 | [diff] [blame] | 438 | |
| 439 | ecard_setirq(ec, &icside_ops_arcin_v5, state); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | |
| 441 | /* |
| 442 | * Be on the safe side - disable interrupts |
| 443 | */ |
| 444 | icside_irqdisable_arcin_v5(ec, 0); |
| 445 | |
Bartlomiej Zolnierkiewicz | b25afdf | 2008-07-16 20:33:41 +0200 | [diff] [blame] | 446 | icside_setup_ports(&hw, base, &icside_cardinfo_v5, ec); |
| 447 | |
Bartlomiej Zolnierkiewicz | 48c3c10 | 2008-07-23 19:55:57 +0200 | [diff] [blame] | 448 | host = ide_host_alloc(NULL, hws); |
| 449 | if (host == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 450 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | |
Bartlomiej Zolnierkiewicz | 48c3c10 | 2008-07-23 19:55:57 +0200 | [diff] [blame] | 452 | state->host = host; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | |
Bartlomiej Zolnierkiewicz | 26839f0 | 2008-07-16 20:33:40 +0200 | [diff] [blame] | 454 | ecard_set_drvdata(ec, state); |
| 455 | |
Bartlomiej Zolnierkiewicz | 8a69580 | 2008-07-23 19:55:59 +0200 | [diff] [blame] | 456 | ret = ide_host_register(host, NULL, hws); |
| 457 | if (ret) |
| 458 | goto err_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | |
| 460 | return 0; |
Bartlomiej Zolnierkiewicz | 8a69580 | 2008-07-23 19:55:59 +0200 | [diff] [blame] | 461 | err_free: |
| 462 | ide_host_free(host); |
| 463 | ecard_set_drvdata(ec, NULL); |
| 464 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | } |
| 466 | |
Bartlomiej Zolnierkiewicz | c413b9b | 2008-02-02 19:56:31 +0100 | [diff] [blame] | 467 | static const struct ide_port_info icside_v6_port_info __initdata = { |
Bartlomiej Zolnierkiewicz | 91432f4 | 2008-04-26 22:25:23 +0200 | [diff] [blame] | 468 | .init_dma = icside_dma_off_init, |
Bartlomiej Zolnierkiewicz | ac95bee | 2008-04-26 22:25:14 +0200 | [diff] [blame] | 469 | .port_ops = &icside_v6_no_dma_port_ops, |
Bartlomiej Zolnierkiewicz | 5e37bdc | 2008-04-26 22:25:24 +0200 | [diff] [blame] | 470 | .dma_ops = &icside_v6_dma_ops, |
Bartlomiej Zolnierkiewicz | c5dd43e | 2008-04-28 23:44:37 +0200 | [diff] [blame] | 471 | .host_flags = IDE_HFLAG_SERIALIZE | IDE_HFLAG_MMIO, |
Bartlomiej Zolnierkiewicz | c413b9b | 2008-02-02 19:56:31 +0100 | [diff] [blame] | 472 | .mwdma_mask = ATA_MWDMA2, |
| 473 | .swdma_mask = ATA_SWDMA2, |
| 474 | }; |
| 475 | |
Al Viro | d16d766 | 2008-11-22 17:34:34 +0000 | [diff] [blame] | 476 | static int __devinit |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | icside_register_v6(struct icside_state *state, struct expansion_card *ec) |
| 478 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | void __iomem *ioc_base, *easi_base; |
Bartlomiej Zolnierkiewicz | 48c3c10 | 2008-07-23 19:55:57 +0200 | [diff] [blame] | 480 | struct ide_host *host; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 481 | unsigned int sel = 0; |
| 482 | int ret; |
Bartlomiej Zolnierkiewicz | c97c6ac | 2008-07-23 19:55:50 +0200 | [diff] [blame] | 483 | hw_regs_t hw[2], *hws[] = { &hw[0], NULL, NULL, NULL }; |
Bartlomiej Zolnierkiewicz | c413b9b | 2008-02-02 19:56:31 +0100 | [diff] [blame] | 484 | struct ide_port_info d = icside_v6_port_info; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | |
Russell King | 10bdaaa | 2007-05-10 18:40:51 +0100 | [diff] [blame] | 486 | ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | if (!ioc_base) { |
| 488 | ret = -ENOMEM; |
| 489 | goto out; |
| 490 | } |
| 491 | |
| 492 | easi_base = ioc_base; |
| 493 | |
| 494 | if (ecard_resource_flags(ec, ECARD_RES_EASI)) { |
Russell King | 10bdaaa | 2007-05-10 18:40:51 +0100 | [diff] [blame] | 495 | easi_base = ecardm_iomap(ec, ECARD_RES_EASI, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | if (!easi_base) { |
| 497 | ret = -ENOMEM; |
Russell King | 10bdaaa | 2007-05-10 18:40:51 +0100 | [diff] [blame] | 498 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 499 | } |
| 500 | |
| 501 | /* |
| 502 | * Enable access to the EASI region. |
| 503 | */ |
| 504 | sel = 1 << 5; |
| 505 | } |
| 506 | |
| 507 | writeb(sel, ioc_base); |
| 508 | |
Russell King | c7b87f3 | 2007-05-10 16:46:13 +0100 | [diff] [blame] | 509 | ecard_setirq(ec, &icside_ops_arcin_v6, state); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | |
| 511 | state->irq_port = easi_base; |
| 512 | state->ioc_base = ioc_base; |
Bartlomiej Zolnierkiewicz | 26839f0 | 2008-07-16 20:33:40 +0200 | [diff] [blame] | 513 | state->sel = sel; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | |
| 515 | /* |
| 516 | * Be on the safe side - disable interrupts |
| 517 | */ |
| 518 | icside_irqdisable_arcin_v6(ec, 0); |
| 519 | |
Bartlomiej Zolnierkiewicz | b25afdf | 2008-07-16 20:33:41 +0200 | [diff] [blame] | 520 | icside_setup_ports(&hw[0], easi_base, &icside_cardinfo_v6_1, ec); |
| 521 | icside_setup_ports(&hw[1], easi_base, &icside_cardinfo_v6_2, ec); |
| 522 | |
Bartlomiej Zolnierkiewicz | 48c3c10 | 2008-07-23 19:55:57 +0200 | [diff] [blame] | 523 | host = ide_host_alloc(&d, hws); |
| 524 | if (host == NULL) |
Bartlomiej Zolnierkiewicz | b25afdf | 2008-07-16 20:33:41 +0200 | [diff] [blame] | 525 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 526 | |
Bartlomiej Zolnierkiewicz | 48c3c10 | 2008-07-23 19:55:57 +0200 | [diff] [blame] | 527 | state->host = host; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | |
Bartlomiej Zolnierkiewicz | 26839f0 | 2008-07-16 20:33:40 +0200 | [diff] [blame] | 529 | ecard_set_drvdata(ec, state); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | |
Bartlomiej Zolnierkiewicz | 67717e2 | 2008-07-16 20:33:44 +0200 | [diff] [blame] | 531 | if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) { |
Bartlomiej Zolnierkiewicz | 91432f4 | 2008-04-26 22:25:23 +0200 | [diff] [blame] | 532 | d.init_dma = icside_dma_init; |
Al Viro | 9c391ba | 2008-04-27 15:38:23 +0200 | [diff] [blame] | 533 | d.port_ops = &icside_v6_port_ops; |
Bartlomiej Zolnierkiewicz | 5e37bdc | 2008-04-26 22:25:24 +0200 | [diff] [blame] | 534 | d.dma_ops = NULL; |
Bartlomiej Zolnierkiewicz | 91432f4 | 2008-04-26 22:25:23 +0200 | [diff] [blame] | 535 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | |
Bartlomiej Zolnierkiewicz | d224b62 | 2009-02-02 20:12:23 +0100 | [diff] [blame^] | 537 | ret = ide_host_register(host, &d, hws); |
Bartlomiej Zolnierkiewicz | 8a69580 | 2008-07-23 19:55:59 +0200 | [diff] [blame] | 538 | if (ret) |
| 539 | goto err_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | |
| 541 | return 0; |
Bartlomiej Zolnierkiewicz | 8a69580 | 2008-07-23 19:55:59 +0200 | [diff] [blame] | 542 | err_free: |
| 543 | ide_host_free(host); |
| 544 | if (d.dma_ops) |
| 545 | free_dma(ec->dma); |
| 546 | ecard_set_drvdata(ec, NULL); |
| 547 | out: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 548 | return ret; |
| 549 | } |
| 550 | |
| 551 | static int __devinit |
| 552 | icside_probe(struct expansion_card *ec, const struct ecard_id *id) |
| 553 | { |
| 554 | struct icside_state *state; |
| 555 | void __iomem *idmem; |
| 556 | int ret; |
| 557 | |
| 558 | ret = ecard_request_resources(ec); |
| 559 | if (ret) |
| 560 | goto out; |
| 561 | |
Mariusz Kozlowski | cc60d8b | 2007-08-01 23:46:44 +0200 | [diff] [blame] | 562 | state = kzalloc(sizeof(struct icside_state), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 563 | if (!state) { |
| 564 | ret = -ENOMEM; |
| 565 | goto release; |
| 566 | } |
| 567 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 568 | state->type = ICS_TYPE_NOTYPE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 569 | |
Russell King | 10bdaaa | 2007-05-10 18:40:51 +0100 | [diff] [blame] | 570 | idmem = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 571 | if (idmem) { |
| 572 | unsigned int type; |
| 573 | |
| 574 | type = readb(idmem + ICS_IDENT_OFFSET) & 1; |
| 575 | type |= (readb(idmem + ICS_IDENT_OFFSET + 4) & 1) << 1; |
| 576 | type |= (readb(idmem + ICS_IDENT_OFFSET + 8) & 1) << 2; |
| 577 | type |= (readb(idmem + ICS_IDENT_OFFSET + 12) & 1) << 3; |
Russell King | 10bdaaa | 2007-05-10 18:40:51 +0100 | [diff] [blame] | 578 | ecardm_iounmap(ec, idmem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | |
| 580 | state->type = type; |
| 581 | } |
| 582 | |
| 583 | switch (state->type) { |
| 584 | case ICS_TYPE_A3IN: |
| 585 | dev_warn(&ec->dev, "A3IN unsupported\n"); |
| 586 | ret = -ENODEV; |
| 587 | break; |
| 588 | |
| 589 | case ICS_TYPE_A3USER: |
| 590 | dev_warn(&ec->dev, "A3USER unsupported\n"); |
| 591 | ret = -ENODEV; |
| 592 | break; |
| 593 | |
| 594 | case ICS_TYPE_V5: |
| 595 | ret = icside_register_v5(state, ec); |
| 596 | break; |
| 597 | |
| 598 | case ICS_TYPE_V6: |
| 599 | ret = icside_register_v6(state, ec); |
| 600 | break; |
| 601 | |
| 602 | default: |
| 603 | dev_warn(&ec->dev, "unknown interface type\n"); |
| 604 | ret = -ENODEV; |
| 605 | break; |
| 606 | } |
| 607 | |
Bartlomiej Zolnierkiewicz | 26839f0 | 2008-07-16 20:33:40 +0200 | [diff] [blame] | 608 | if (ret == 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | goto out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 610 | |
| 611 | kfree(state); |
| 612 | release: |
| 613 | ecard_release_resources(ec); |
| 614 | out: |
| 615 | return ret; |
| 616 | } |
| 617 | |
| 618 | static void __devexit icside_remove(struct expansion_card *ec) |
| 619 | { |
| 620 | struct icside_state *state = ecard_get_drvdata(ec); |
| 621 | |
| 622 | switch (state->type) { |
| 623 | case ICS_TYPE_V5: |
| 624 | /* FIXME: tell IDE to stop using the interface */ |
| 625 | |
| 626 | /* Disable interrupts */ |
| 627 | icside_irqdisable_arcin_v5(ec, 0); |
| 628 | break; |
| 629 | |
| 630 | case ICS_TYPE_V6: |
| 631 | /* FIXME: tell IDE to stop using the interface */ |
| 632 | if (ec->dma != NO_DMA) |
| 633 | free_dma(ec->dma); |
| 634 | |
| 635 | /* Disable interrupts */ |
| 636 | icside_irqdisable_arcin_v6(ec, 0); |
| 637 | |
| 638 | /* Reset the ROM pointer/EASI selection */ |
| 639 | writeb(0, state->ioc_base); |
| 640 | break; |
| 641 | } |
| 642 | |
| 643 | ecard_set_drvdata(ec, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 644 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 645 | kfree(state); |
| 646 | ecard_release_resources(ec); |
| 647 | } |
| 648 | |
| 649 | static void icside_shutdown(struct expansion_card *ec) |
| 650 | { |
| 651 | struct icside_state *state = ecard_get_drvdata(ec); |
| 652 | unsigned long flags; |
| 653 | |
| 654 | /* |
| 655 | * Disable interrupts from this card. We need to do |
| 656 | * this before disabling EASI since we may be accessing |
| 657 | * this register via that region. |
| 658 | */ |
| 659 | local_irq_save(flags); |
| 660 | ec->ops->irqdisable(ec, 0); |
| 661 | local_irq_restore(flags); |
| 662 | |
| 663 | /* |
| 664 | * Reset the ROM pointer so that we can read the ROM |
| 665 | * after a soft reboot. This also disables access to |
| 666 | * the IDE taskfile via the EASI region. |
| 667 | */ |
| 668 | if (state->ioc_base) |
| 669 | writeb(0, state->ioc_base); |
| 670 | } |
| 671 | |
| 672 | static const struct ecard_id icside_ids[] = { |
| 673 | { MANU_ICS, PROD_ICS_IDE }, |
| 674 | { MANU_ICS2, PROD_ICS2_IDE }, |
| 675 | { 0xffff, 0xffff } |
| 676 | }; |
| 677 | |
| 678 | static struct ecard_driver icside_driver = { |
| 679 | .probe = icside_probe, |
| 680 | .remove = __devexit_p(icside_remove), |
| 681 | .shutdown = icside_shutdown, |
| 682 | .id_table = icside_ids, |
| 683 | .drv = { |
| 684 | .name = "icside", |
| 685 | }, |
| 686 | }; |
| 687 | |
| 688 | static int __init icside_init(void) |
| 689 | { |
| 690 | return ecard_register_driver(&icside_driver); |
| 691 | } |
| 692 | |
Al Viro | 1137fb6 | 2008-10-26 05:40:26 +0000 | [diff] [blame] | 693 | static void __exit icside_exit(void) |
Bartlomiej Zolnierkiewicz | 8e27cb1 | 2008-07-24 22:53:27 +0200 | [diff] [blame] | 694 | { |
Al Viro | 1137fb6 | 2008-10-26 05:40:26 +0000 | [diff] [blame] | 695 | ecard_remove_driver(&icside_driver); |
Bartlomiej Zolnierkiewicz | 8e27cb1 | 2008-07-24 22:53:27 +0200 | [diff] [blame] | 696 | } |
| 697 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 698 | MODULE_AUTHOR("Russell King <rmk@arm.linux.org.uk>"); |
| 699 | MODULE_LICENSE("GPL"); |
| 700 | MODULE_DESCRIPTION("ICS IDE driver"); |
| 701 | |
| 702 | module_init(icside_init); |
Bartlomiej Zolnierkiewicz | 8e27cb1 | 2008-07-24 22:53:27 +0200 | [diff] [blame] | 703 | module_exit(icside_exit); |