Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 1997 Wu Ching Chen |
| 3 | * 2.1.x update (C) 1998 Krzysztof G. Baranowski |
Alan Cox | fa195af | 2008-10-27 15:16:36 +0000 | [diff] [blame] | 4 | * 2.5.x update (C) 2002 Red Hat |
| 5 | * 2.6.x update (C) 2004 Red Hat |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | * |
| 7 | * Marcelo Tosatti <marcelo@conectiva.com.br> : SMP fixes |
| 8 | * |
| 9 | * Wu Ching Chen : NULL pointer fixes 2000/06/02 |
| 10 | * support atp876 chip |
| 11 | * enable 32 bit fifo transfer |
| 12 | * support cdrom & remove device run ultra speed |
| 13 | * fix disconnect bug 2000/12/21 |
| 14 | * support atp880 chip lvd u160 2001/05/15 |
| 15 | * fix prd table bug 2001/09/12 (7.1) |
| 16 | * |
| 17 | * atp885 support add by ACARD Hao Ping Lian 2005/01/05 |
| 18 | */ |
| 19 | #include <linux/module.h> |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/interrupt.h> |
| 22 | #include <linux/kernel.h> |
| 23 | #include <linux/types.h> |
| 24 | #include <linux/string.h> |
| 25 | #include <linux/ioport.h> |
| 26 | #include <linux/delay.h> |
| 27 | #include <linux/proc_fs.h> |
| 28 | #include <linux/spinlock.h> |
| 29 | #include <linux/pci.h> |
| 30 | #include <linux/blkdev.h> |
Matthias Gehre | 910638a | 2006-03-28 01:56:48 -0800 | [diff] [blame] | 31 | #include <linux/dma-mapping.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 32 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | #include <asm/io.h> |
| 34 | |
| 35 | #include <scsi/scsi.h> |
| 36 | #include <scsi/scsi_cmnd.h> |
| 37 | #include <scsi/scsi_device.h> |
| 38 | #include <scsi/scsi_host.h> |
| 39 | |
| 40 | #include "atp870u.h" |
| 41 | |
| 42 | static struct scsi_host_template atp870u_template; |
| 43 | static void send_s870(struct atp_unit *dev,unsigned char c); |
Ondrej Zary | 4192a40 | 2015-11-17 19:24:06 +0100 | [diff] [blame] | 44 | static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip, unsigned char lvdmode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 46 | static inline void atp_writeb_base(struct atp_unit *atp, u8 reg, u8 val) |
| 47 | { |
| 48 | outb(val, atp->baseport + reg); |
| 49 | } |
| 50 | |
Ondrej Zary | d804bb2 | 2015-11-17 19:24:07 +0100 | [diff] [blame] | 51 | static inline void atp_writew_base(struct atp_unit *atp, u8 reg, u16 val) |
| 52 | { |
| 53 | outw(val, atp->baseport + reg); |
| 54 | } |
| 55 | |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 56 | static inline void atp_writeb_io(struct atp_unit *atp, u8 channel, u8 reg, u8 val) |
| 57 | { |
| 58 | outb(val, atp->ioport[channel] + reg); |
| 59 | } |
| 60 | |
| 61 | static inline void atp_writew_io(struct atp_unit *atp, u8 channel, u8 reg, u16 val) |
| 62 | { |
| 63 | outw(val, atp->ioport[channel] + reg); |
| 64 | } |
| 65 | |
| 66 | static inline void atp_writeb_pci(struct atp_unit *atp, u8 channel, u8 reg, u8 val) |
| 67 | { |
| 68 | outb(val, atp->pciport[channel] + reg); |
| 69 | } |
| 70 | |
| 71 | static inline void atp_writel_pci(struct atp_unit *atp, u8 channel, u8 reg, u32 val) |
| 72 | { |
| 73 | outl(val, atp->pciport[channel] + reg); |
| 74 | } |
| 75 | |
| 76 | static inline u8 atp_readb_base(struct atp_unit *atp, u8 reg) |
| 77 | { |
| 78 | return inb(atp->baseport + reg); |
| 79 | } |
| 80 | |
Ondrej Zary | d804bb2 | 2015-11-17 19:24:07 +0100 | [diff] [blame] | 81 | static inline u16 atp_readw_base(struct atp_unit *atp, u8 reg) |
| 82 | { |
| 83 | return inw(atp->baseport + reg); |
| 84 | } |
| 85 | |
| 86 | static inline u32 atp_readl_base(struct atp_unit *atp, u8 reg) |
| 87 | { |
| 88 | return inl(atp->baseport + reg); |
| 89 | } |
| 90 | |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 91 | static inline u8 atp_readb_io(struct atp_unit *atp, u8 channel, u8 reg) |
| 92 | { |
| 93 | return inb(atp->ioport[channel] + reg); |
| 94 | } |
| 95 | |
| 96 | static inline u16 atp_readw_io(struct atp_unit *atp, u8 channel, u8 reg) |
| 97 | { |
| 98 | return inw(atp->ioport[channel] + reg); |
| 99 | } |
| 100 | |
| 101 | static inline u8 atp_readb_pci(struct atp_unit *atp, u8 channel, u8 reg) |
| 102 | { |
| 103 | return inb(atp->pciport[channel] + reg); |
| 104 | } |
| 105 | |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 106 | static inline bool is880(struct atp_unit *atp) |
| 107 | { |
| 108 | return atp->pdev->device == ATP880_DEVID1 || |
| 109 | atp->pdev->device == ATP880_DEVID2; |
| 110 | } |
| 111 | |
| 112 | static inline bool is885(struct atp_unit *atp) |
| 113 | { |
| 114 | return atp->pdev->device == ATP885_DEVID; |
| 115 | } |
| 116 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 117 | static irqreturn_t atp870u_intr_handle(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | { |
| 119 | unsigned long flags; |
Ondrej Zary | bc0fe4c | 2015-11-17 19:23:47 +0100 | [diff] [blame] | 120 | unsigned short int id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | unsigned char i, j, c, target_id, lun,cmdp; |
| 122 | unsigned char *prd; |
| 123 | struct scsi_cmnd *workreq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | unsigned long adrcnt, k; |
| 125 | #ifdef ED_DBGP |
| 126 | unsigned long l; |
| 127 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | struct Scsi_Host *host = dev_id; |
| 129 | struct atp_unit *dev = (struct atp_unit *)&host->hostdata; |
| 130 | |
| 131 | for (c = 0; c < 2; c++) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 132 | j = atp_readb_io(dev, c, 0x1f); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | if ((j & 0x80) != 0) |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 134 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | dev->in_int[c] = 0; |
| 136 | } |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 137 | if ((j & 0x80) == 0) |
| 138 | return IRQ_NONE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | #ifdef ED_DBGP |
| 140 | printk("atp870u_intr_handle enter\n"); |
| 141 | #endif |
| 142 | dev->in_int[c] = 1; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 143 | cmdp = atp_readb_io(dev, c, 0x10); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | if (dev->working[c] != 0) { |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 145 | if (is885(dev)) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 146 | if ((atp_readb_io(dev, c, 0x16) & 0x80) == 0) |
| 147 | atp_writeb_io(dev, c, 0x16, (atp_readb_io(dev, c, 0x16) | 0x80)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 149 | if ((atp_readb_pci(dev, c, 0x00) & 0x08) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | for (k=0; k < 1000; k++) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 152 | if ((atp_readb_pci(dev, c, 2) & 0x08) == 0) |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 153 | break; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 154 | if ((atp_readb_pci(dev, c, 2) & 0x01) == 0) |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 155 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | } |
| 157 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 158 | atp_writeb_pci(dev, c, 0, 0x00); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 160 | i = atp_readb_io(dev, c, 0x17); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 162 | if (is885(dev)) |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 163 | atp_writeb_pci(dev, c, 2, 0x06); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 165 | target_id = atp_readb_io(dev, c, 0x15); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | |
| 167 | /* |
| 168 | * Remap wide devices onto id numbers |
| 169 | */ |
| 170 | |
| 171 | if ((target_id & 0x40) != 0) { |
| 172 | target_id = (target_id & 0x07) | 0x08; |
| 173 | } else { |
| 174 | target_id &= 0x07; |
| 175 | } |
| 176 | |
| 177 | if ((j & 0x40) != 0) { |
| 178 | if (dev->last_cmd[c] == 0xff) { |
| 179 | dev->last_cmd[c] = target_id; |
| 180 | } |
| 181 | dev->last_cmd[c] |= 0x40; |
| 182 | } |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 183 | if (is885(dev)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | dev->r1f[c][target_id] |= j; |
| 185 | #ifdef ED_DBGP |
| 186 | printk("atp870u_intr_handle status = %x\n",i); |
| 187 | #endif |
| 188 | if (i == 0x85) { |
| 189 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { |
| 190 | dev->last_cmd[c] = 0xff; |
| 191 | } |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 192 | if (is885(dev)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | adrcnt = 0; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 194 | ((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12); |
| 195 | ((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13); |
| 196 | ((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | if (dev->id[c][target_id].last_len != adrcnt) |
| 198 | { |
| 199 | k = dev->id[c][target_id].last_len; |
| 200 | k -= adrcnt; |
| 201 | dev->id[c][target_id].tran_len = k; |
| 202 | dev->id[c][target_id].last_len = adrcnt; |
| 203 | } |
| 204 | #ifdef ED_DBGP |
Ondrej Zary | 3a38e53 | 2015-11-17 19:23:39 +0100 | [diff] [blame] | 205 | printk("dev->id[c][target_id].last_len = %d dev->id[c][target_id].tran_len = %d\n",dev->id[c][target_id].last_len,dev->id[c][target_id].tran_len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | #endif |
| 207 | } |
| 208 | |
| 209 | /* |
| 210 | * Flip wide |
| 211 | */ |
| 212 | if (dev->wide_id[c] != 0) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 213 | atp_writeb_io(dev, c, 0x1b, 0x01); |
| 214 | while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01) |
| 215 | atp_writeb_io(dev, c, 0x1b, 0x01); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | } |
| 217 | /* |
| 218 | * Issue more commands |
| 219 | */ |
| 220 | spin_lock_irqsave(dev->host->host_lock, flags); |
| 221 | if (((dev->quhd[c] != dev->quend[c]) || (dev->last_cmd[c] != 0xff)) && |
| 222 | (dev->in_snd[c] == 0)) { |
| 223 | #ifdef ED_DBGP |
| 224 | printk("Call sent_s870\n"); |
| 225 | #endif |
| 226 | send_s870(dev,c); |
| 227 | } |
| 228 | spin_unlock_irqrestore(dev->host->host_lock, flags); |
| 229 | /* |
| 230 | * Done |
| 231 | */ |
| 232 | dev->in_int[c] = 0; |
| 233 | #ifdef ED_DBGP |
| 234 | printk("Status 0x85 return\n"); |
| 235 | #endif |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 236 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | } |
| 238 | |
| 239 | if (i == 0x40) { |
| 240 | dev->last_cmd[c] |= 0x40; |
| 241 | dev->in_int[c] = 0; |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 242 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | } |
| 244 | |
| 245 | if (i == 0x21) { |
| 246 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { |
| 247 | dev->last_cmd[c] = 0xff; |
| 248 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | adrcnt = 0; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 250 | ((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12); |
| 251 | ((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13); |
| 252 | ((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | k = dev->id[c][target_id].last_len; |
| 254 | k -= adrcnt; |
| 255 | dev->id[c][target_id].tran_len = k; |
| 256 | dev->id[c][target_id].last_len = adrcnt; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 257 | atp_writeb_io(dev, c, 0x10, 0x41); |
| 258 | atp_writeb_io(dev, c, 0x18, 0x08); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | dev->in_int[c] = 0; |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 260 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | } |
| 262 | |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 263 | if (is885(dev)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 264 | if ((i == 0x4c) || (i == 0x4d) || (i == 0x8c) || (i == 0x8d)) { |
| 265 | if ((i == 0x4c) || (i == 0x8c)) |
| 266 | i=0x48; |
| 267 | else |
| 268 | i=0x49; |
| 269 | } |
| 270 | |
| 271 | } |
| 272 | if ((i == 0x80) || (i == 0x8f)) { |
| 273 | #ifdef ED_DBGP |
| 274 | printk(KERN_DEBUG "Device reselect\n"); |
| 275 | #endif |
| 276 | lun = 0; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 277 | if (cmdp == 0x44 || i == 0x80) |
| 278 | lun = atp_readb_io(dev, c, 0x1d) & 0x07; |
| 279 | else { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { |
| 281 | dev->last_cmd[c] = 0xff; |
| 282 | } |
| 283 | if (cmdp == 0x41) { |
| 284 | #ifdef ED_DBGP |
| 285 | printk("cmdp = 0x41\n"); |
| 286 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | adrcnt = 0; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 288 | ((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12); |
| 289 | ((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13); |
| 290 | ((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | k = dev->id[c][target_id].last_len; |
| 292 | k -= adrcnt; |
| 293 | dev->id[c][target_id].tran_len = k; |
| 294 | dev->id[c][target_id].last_len = adrcnt; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 295 | atp_writeb_io(dev, c, 0x18, 0x08); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | dev->in_int[c] = 0; |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 297 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | } else { |
| 299 | #ifdef ED_DBGP |
| 300 | printk("cmdp != 0x41\n"); |
| 301 | #endif |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 302 | atp_writeb_io(dev, c, 0x10, 0x46); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | dev->id[c][target_id].dirct = 0x00; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 304 | atp_writeb_io(dev, c, 0x12, 0x00); |
| 305 | atp_writeb_io(dev, c, 0x13, 0x00); |
| 306 | atp_writeb_io(dev, c, 0x14, 0x00); |
| 307 | atp_writeb_io(dev, c, 0x18, 0x08); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | dev->in_int[c] = 0; |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 309 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 310 | } |
| 311 | } |
| 312 | if (dev->last_cmd[c] != 0xff) { |
| 313 | dev->last_cmd[c] |= 0x40; |
| 314 | } |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 315 | if (is885(dev)) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 316 | j = atp_readb_base(dev, 0x29) & 0xfe; |
| 317 | atp_writeb_base(dev, 0x29, j); |
Ondrej Zary | 3a38e53 | 2015-11-17 19:23:39 +0100 | [diff] [blame] | 318 | } else |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 319 | atp_writeb_io(dev, c, 0x10, 0x45); |
Ondrej Zary | 3a38e53 | 2015-11-17 19:23:39 +0100 | [diff] [blame] | 320 | |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 321 | target_id = atp_readb_io(dev, c, 0x16); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | /* |
| 323 | * Remap wide identifiers |
| 324 | */ |
| 325 | if ((target_id & 0x10) != 0) { |
| 326 | target_id = (target_id & 0x07) | 0x08; |
| 327 | } else { |
| 328 | target_id &= 0x07; |
| 329 | } |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 330 | if (is885(dev)) |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 331 | atp_writeb_io(dev, c, 0x10, 0x45); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | workreq = dev->id[c][target_id].curr_req; |
| 333 | #ifdef ED_DBGP |
Jeff Garzik | 017560f | 2005-10-24 18:04:36 -0400 | [diff] [blame] | 334 | scmd_printk(KERN_DEBUG, workreq, "CDB"); |
| 335 | for (l = 0; l < workreq->cmd_len; l++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | printk(KERN_DEBUG " %x",workreq->cmnd[l]); |
Jeff Garzik | 017560f | 2005-10-24 18:04:36 -0400 | [diff] [blame] | 337 | printk("\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | #endif |
| 339 | |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 340 | atp_writeb_io(dev, c, 0x0f, lun); |
| 341 | atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 342 | adrcnt = dev->id[c][target_id].tran_len; |
| 343 | k = dev->id[c][target_id].last_len; |
| 344 | |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 345 | atp_writeb_io(dev, c, 0x12, ((unsigned char *) &k)[2]); |
| 346 | atp_writeb_io(dev, c, 0x13, ((unsigned char *) &k)[1]); |
| 347 | atp_writeb_io(dev, c, 0x14, ((unsigned char *) &k)[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 348 | #ifdef ED_DBGP |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 349 | printk("k %x, k[0] 0x%x k[1] 0x%x k[2] 0x%x\n", k, atp_readb_io(dev, c, 0x14), atp_readb_io(dev, c, 0x13), atp_readb_io(dev, c, 0x12)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | #endif |
| 351 | /* Remap wide */ |
| 352 | j = target_id; |
| 353 | if (target_id > 7) { |
| 354 | j = (j & 0x07) | 0x40; |
| 355 | } |
| 356 | /* Add direction */ |
| 357 | j |= dev->id[c][target_id].dirct; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 358 | atp_writeb_io(dev, c, 0x15, j); |
| 359 | atp_writeb_io(dev, c, 0x16, 0x80); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | |
| 361 | /* enable 32 bit fifo transfer */ |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 362 | if (is885(dev)) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 363 | i = atp_readb_pci(dev, c, 1) & 0xf3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | //j=workreq->cmnd[0]; |
| 365 | if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) { |
| 366 | i |= 0x0c; |
| 367 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 368 | atp_writeb_pci(dev, c, 1, i); |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 369 | } else if (is880(dev)) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 370 | if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) |
| 371 | atp_writeb_base(dev, 0x3b, (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0); |
| 372 | else |
| 373 | atp_writeb_base(dev, 0x3b, atp_readb_base(dev, 0x3b) & 0x3f); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | } else { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 375 | if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) |
Ondrej Zary | c751d9f | 2015-11-17 19:24:09 +0100 | [diff] [blame] | 376 | atp_writeb_base(dev, 0x3a, (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08); |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 377 | else |
Ondrej Zary | c751d9f | 2015-11-17 19:24:09 +0100 | [diff] [blame] | 378 | atp_writeb_base(dev, 0x3a, atp_readb_base(dev, 0x3a) & 0xf3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 379 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | j = 0; |
| 381 | id = 1; |
| 382 | id = id << target_id; |
| 383 | /* |
| 384 | * Is this a wide device |
| 385 | */ |
| 386 | if ((id & dev->wide_id[c]) != 0) { |
| 387 | j |= 0x01; |
| 388 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 389 | atp_writeb_io(dev, c, 0x1b, j); |
| 390 | while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j) |
| 391 | atp_writeb_io(dev, c, 0x1b, j); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | if (dev->id[c][target_id].last_len == 0) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 393 | atp_writeb_io(dev, c, 0x18, 0x08); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | dev->in_int[c] = 0; |
| 395 | #ifdef ED_DBGP |
| 396 | printk("dev->id[c][target_id].last_len = 0\n"); |
| 397 | #endif |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 398 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | } |
| 400 | #ifdef ED_DBGP |
| 401 | printk("target_id = %d adrcnt = %d\n",target_id,adrcnt); |
| 402 | #endif |
| 403 | prd = dev->id[c][target_id].prd_pos; |
| 404 | while (adrcnt != 0) { |
| 405 | id = ((unsigned short int *)prd)[2]; |
| 406 | if (id == 0) { |
| 407 | k = 0x10000; |
| 408 | } else { |
| 409 | k = id; |
| 410 | } |
| 411 | if (k > adrcnt) { |
| 412 | ((unsigned short int *)prd)[2] = (unsigned short int) |
| 413 | (k - adrcnt); |
| 414 | ((unsigned long *)prd)[0] += adrcnt; |
| 415 | adrcnt = 0; |
| 416 | dev->id[c][target_id].prd_pos = prd; |
| 417 | } else { |
| 418 | adrcnt -= k; |
| 419 | dev->id[c][target_id].prdaddr += 0x08; |
| 420 | prd += 0x08; |
| 421 | if (adrcnt == 0) { |
| 422 | dev->id[c][target_id].prd_pos = prd; |
| 423 | } |
| 424 | } |
| 425 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 426 | atp_writel_pci(dev, c, 0x04, dev->id[c][target_id].prdaddr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 427 | #ifdef ED_DBGP |
| 428 | printk("dev->id[%d][%d].prdaddr 0x%8x\n", c, target_id, dev->id[c][target_id].prdaddr); |
| 429 | #endif |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 430 | if (!is885(dev)) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 431 | atp_writeb_pci(dev, c, 2, 0x06); |
| 432 | atp_writeb_pci(dev, c, 2, 0x00); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 434 | /* |
| 435 | * Check transfer direction |
| 436 | */ |
| 437 | if (dev->id[c][target_id].dirct != 0) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 438 | atp_writeb_io(dev, c, 0x18, 0x08); |
| 439 | atp_writeb_pci(dev, c, 0, 0x01); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | dev->in_int[c] = 0; |
| 441 | #ifdef ED_DBGP |
| 442 | printk("status 0x80 return dirct != 0\n"); |
| 443 | #endif |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 444 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 445 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 446 | atp_writeb_io(dev, c, 0x18, 0x08); |
| 447 | atp_writeb_pci(dev, c, 0, 0x09); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | dev->in_int[c] = 0; |
| 449 | #ifdef ED_DBGP |
| 450 | printk("status 0x80 return dirct = 0\n"); |
| 451 | #endif |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 452 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | } |
| 454 | |
| 455 | /* |
| 456 | * Current scsi request on this target |
| 457 | */ |
| 458 | |
| 459 | workreq = dev->id[c][target_id].curr_req; |
| 460 | |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 461 | if (i == 0x42 || i == 0x16) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { |
| 463 | dev->last_cmd[c] = 0xff; |
| 464 | } |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 465 | if (i == 0x16) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 466 | workreq->result = atp_readb_io(dev, c, 0x0f); |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 467 | if (((dev->r1f[c][target_id] & 0x10) != 0) && is885(dev)) { |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 468 | printk(KERN_WARNING "AEC67162 CRC ERROR !\n"); |
| 469 | workreq->result = 0x02; |
| 470 | } |
| 471 | } else |
| 472 | workreq->result = 0x02; |
| 473 | |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 474 | if (is885(dev)) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 475 | j = atp_readb_base(dev, 0x29) | 0x01; |
| 476 | atp_writeb_base(dev, 0x29, j); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | } |
| 478 | /* |
| 479 | * Complete the command |
| 480 | */ |
Boaz Harrosh | fe7ed98 | 2007-09-09 21:06:23 +0300 | [diff] [blame] | 481 | scsi_dma_unmap(workreq); |
| 482 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | spin_lock_irqsave(dev->host->host_lock, flags); |
| 484 | (*workreq->scsi_done) (workreq); |
| 485 | #ifdef ED_DBGP |
| 486 | printk("workreq->scsi_done\n"); |
| 487 | #endif |
| 488 | /* |
| 489 | * Clear it off the queue |
| 490 | */ |
| 491 | dev->id[c][target_id].curr_req = NULL; |
| 492 | dev->working[c]--; |
| 493 | spin_unlock_irqrestore(dev->host->host_lock, flags); |
| 494 | /* |
| 495 | * Take it back wide |
| 496 | */ |
| 497 | if (dev->wide_id[c] != 0) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 498 | atp_writeb_io(dev, c, 0x1b, 0x01); |
| 499 | while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01) |
| 500 | atp_writeb_io(dev, c, 0x1b, 0x01); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 501 | } |
| 502 | /* |
| 503 | * If there is stuff to send and nothing going then send it |
| 504 | */ |
| 505 | spin_lock_irqsave(dev->host->host_lock, flags); |
| 506 | if (((dev->last_cmd[c] != 0xff) || (dev->quhd[c] != dev->quend[c])) && |
| 507 | (dev->in_snd[c] == 0)) { |
| 508 | #ifdef ED_DBGP |
| 509 | printk("Call sent_s870(scsi_done)\n"); |
| 510 | #endif |
| 511 | send_s870(dev,c); |
| 512 | } |
| 513 | spin_unlock_irqrestore(dev->host->host_lock, flags); |
| 514 | dev->in_int[c] = 0; |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 515 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | } |
| 517 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { |
| 518 | dev->last_cmd[c] = 0xff; |
| 519 | } |
| 520 | if (i == 0x4f) { |
| 521 | i = 0x89; |
| 522 | } |
| 523 | i &= 0x0f; |
| 524 | if (i == 0x09) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 525 | atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr); |
| 526 | atp_writeb_pci(dev, c, 2, 0x06); |
| 527 | atp_writeb_pci(dev, c, 2, 0x00); |
| 528 | atp_writeb_io(dev, c, 0x10, 0x41); |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 529 | if (is885(dev)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | k = dev->id[c][target_id].last_len; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 531 | atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&k))[2]); |
| 532 | atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&k))[1]); |
| 533 | atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&k))[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | dev->id[c][target_id].dirct = 0x00; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 535 | } else { |
| 536 | dev->id[c][target_id].dirct = 0x00; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 538 | atp_writeb_io(dev, c, 0x18, 0x08); |
| 539 | atp_writeb_pci(dev, c, 0, 0x09); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | dev->in_int[c] = 0; |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 541 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 542 | } |
| 543 | if (i == 0x08) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 544 | atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr); |
| 545 | atp_writeb_pci(dev, c, 2, 0x06); |
| 546 | atp_writeb_pci(dev, c, 2, 0x00); |
| 547 | atp_writeb_io(dev, c, 0x10, 0x41); |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 548 | if (is885(dev)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 549 | k = dev->id[c][target_id].last_len; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 550 | atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&k))[2]); |
| 551 | atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&k))[1]); |
| 552 | atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&k))[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 554 | atp_writeb_io(dev, c, 0x15, atp_readb_io(dev, c, 0x15) | 0x20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 555 | dev->id[c][target_id].dirct = 0x20; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 556 | atp_writeb_io(dev, c, 0x18, 0x08); |
| 557 | atp_writeb_pci(dev, c, 0, 0x01); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | dev->in_int[c] = 0; |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 559 | return IRQ_HANDLED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 561 | if (i == 0x0a) |
| 562 | atp_writeb_io(dev, c, 0x10, 0x30); |
| 563 | else |
| 564 | atp_writeb_io(dev, c, 0x10, 0x46); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | dev->id[c][target_id].dirct = 0x00; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 566 | atp_writeb_io(dev, c, 0x12, 0x00); |
| 567 | atp_writeb_io(dev, c, 0x13, 0x00); |
| 568 | atp_writeb_io(dev, c, 0x14, 0x00); |
| 569 | atp_writeb_io(dev, c, 0x18, 0x08); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | } |
Ondrej Zary | 78614ec | 2015-11-17 19:23:49 +0100 | [diff] [blame] | 571 | dev->in_int[c] = 0; |
| 572 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 573 | return IRQ_HANDLED; |
| 574 | } |
| 575 | /** |
| 576 | * atp870u_queuecommand - Queue SCSI command |
| 577 | * @req_p: request block |
| 578 | * @done: completion function |
| 579 | * |
| 580 | * Queue a command to the ATP queue. Called with the host lock held. |
| 581 | */ |
Jeff Garzik | f281233 | 2010-11-16 02:10:29 -0500 | [diff] [blame] | 582 | static int atp870u_queuecommand_lck(struct scsi_cmnd *req_p, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | void (*done) (struct scsi_cmnd *)) |
| 584 | { |
| 585 | unsigned char c; |
Ondrej Zary | 3b83646 | 2015-11-17 19:23:40 +0100 | [diff] [blame] | 586 | unsigned int m; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | struct atp_unit *dev; |
| 588 | struct Scsi_Host *host; |
| 589 | |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 590 | c = scmd_channel(req_p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 591 | req_p->sense_buffer[0]=0; |
Boaz Harrosh | fe7ed98 | 2007-09-09 21:06:23 +0300 | [diff] [blame] | 592 | scsi_set_resid(req_p, 0); |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 593 | if (scmd_channel(req_p) > 1) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 594 | req_p->result = 0x00040000; |
| 595 | done(req_p); |
| 596 | #ifdef ED_DBGP |
| 597 | printk("atp870u_queuecommand : req_p->device->channel > 1\n"); |
| 598 | #endif |
| 599 | return 0; |
| 600 | } |
| 601 | |
| 602 | host = req_p->device->host; |
| 603 | dev = (struct atp_unit *)&host->hostdata; |
| 604 | |
| 605 | |
| 606 | |
| 607 | m = 1; |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 608 | m = m << scmd_id(req_p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 609 | |
| 610 | /* |
| 611 | * Fake a timeout for missing targets |
| 612 | */ |
| 613 | |
| 614 | if ((m & dev->active_id[c]) == 0) { |
| 615 | req_p->result = 0x00040000; |
| 616 | done(req_p); |
| 617 | return 0; |
| 618 | } |
| 619 | |
| 620 | if (done) { |
| 621 | req_p->scsi_done = done; |
| 622 | } else { |
| 623 | #ifdef ED_DBGP |
| 624 | printk( "atp870u_queuecommand: done can't be NULL\n"); |
| 625 | #endif |
| 626 | req_p->result = 0; |
| 627 | done(req_p); |
| 628 | return 0; |
| 629 | } |
| 630 | |
| 631 | /* |
| 632 | * Count new command |
| 633 | */ |
| 634 | dev->quend[c]++; |
| 635 | if (dev->quend[c] >= qcnt) { |
| 636 | dev->quend[c] = 0; |
| 637 | } |
| 638 | |
| 639 | /* |
| 640 | * Check queue state |
| 641 | */ |
| 642 | if (dev->quhd[c] == dev->quend[c]) { |
| 643 | if (dev->quend[c] == 0) { |
| 644 | dev->quend[c] = qcnt; |
| 645 | } |
| 646 | #ifdef ED_DBGP |
| 647 | printk("atp870u_queuecommand : dev->quhd[c] == dev->quend[c]\n"); |
| 648 | #endif |
| 649 | dev->quend[c]--; |
| 650 | req_p->result = 0x00020000; |
| 651 | done(req_p); |
| 652 | return 0; |
| 653 | } |
| 654 | dev->quereq[c][dev->quend[c]] = req_p; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 655 | #ifdef ED_DBGP |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 656 | printk("dev->ioport[c] = %x atp_readb_io(dev, c, 0x1c) = %x dev->in_int[%d] = %d dev->in_snd[%d] = %d\n",dev->ioport[c],atp_readb_io(dev, c, 0x1c),c,dev->in_int[c],c,dev->in_snd[c]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 657 | #endif |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 658 | if ((atp_readb_io(dev, c, 0x1c) == 0) && (dev->in_int[c] == 0) && (dev->in_snd[c] == 0)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | #ifdef ED_DBGP |
| 660 | printk("Call sent_s870(atp870u_queuecommand)\n"); |
| 661 | #endif |
| 662 | send_s870(dev,c); |
| 663 | } |
| 664 | #ifdef ED_DBGP |
| 665 | printk("atp870u_queuecommand : exit\n"); |
| 666 | #endif |
| 667 | return 0; |
| 668 | } |
| 669 | |
Jeff Garzik | f281233 | 2010-11-16 02:10:29 -0500 | [diff] [blame] | 670 | static DEF_SCSI_QCMD(atp870u_queuecommand) |
| 671 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | /** |
| 673 | * send_s870 - send a command to the controller |
| 674 | * @host: host |
| 675 | * |
| 676 | * On entry there is work queued to be done. We move some of that work to the |
| 677 | * controller itself. |
| 678 | * |
| 679 | * Caller holds the host lock. |
| 680 | */ |
| 681 | static void send_s870(struct atp_unit *dev,unsigned char c) |
| 682 | { |
Ondrej Zary | 468b896 | 2015-11-17 19:23:50 +0100 | [diff] [blame] | 683 | struct scsi_cmnd *workreq = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 684 | unsigned int i;//,k; |
| 685 | unsigned char j, target_id; |
| 686 | unsigned char *prd; |
Ondrej Zary | c2bab40 | 2015-11-17 19:23:48 +0100 | [diff] [blame] | 687 | unsigned short int w; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 688 | unsigned long l, bttl = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | unsigned long sg_count; |
| 690 | |
| 691 | if (dev->in_snd[c] != 0) { |
| 692 | #ifdef ED_DBGP |
| 693 | printk("cmnd in_snd\n"); |
| 694 | #endif |
| 695 | return; |
| 696 | } |
| 697 | #ifdef ED_DBGP |
| 698 | printk("Sent_s870 enter\n"); |
| 699 | #endif |
| 700 | dev->in_snd[c] = 1; |
| 701 | if ((dev->last_cmd[c] != 0xff) && ((dev->last_cmd[c] & 0x40) != 0)) { |
| 702 | dev->last_cmd[c] &= 0x0f; |
| 703 | workreq = dev->id[c][dev->last_cmd[c]].curr_req; |
Ondrej Zary | 468b896 | 2015-11-17 19:23:50 +0100 | [diff] [blame] | 704 | if (!workreq) { |
| 705 | dev->last_cmd[c] = 0xff; |
| 706 | if (dev->quhd[c] == dev->quend[c]) { |
| 707 | dev->in_snd[c] = 0; |
| 708 | return; |
| 709 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 710 | } |
| 711 | } |
Ondrej Zary | 468b896 | 2015-11-17 19:23:50 +0100 | [diff] [blame] | 712 | if (!workreq) { |
| 713 | if ((dev->last_cmd[c] != 0xff) && (dev->working[c] != 0)) { |
| 714 | dev->in_snd[c] = 0; |
| 715 | return; |
| 716 | } |
| 717 | dev->working[c]++; |
| 718 | j = dev->quhd[c]; |
| 719 | dev->quhd[c]++; |
| 720 | if (dev->quhd[c] >= qcnt) |
| 721 | dev->quhd[c] = 0; |
| 722 | workreq = dev->quereq[c][dev->quhd[c]]; |
| 723 | if (dev->id[c][scmd_id(workreq)].curr_req != NULL) { |
| 724 | dev->quhd[c] = j; |
| 725 | dev->working[c]--; |
| 726 | dev->in_snd[c] = 0; |
| 727 | return; |
| 728 | } |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 729 | dev->id[c][scmd_id(workreq)].curr_req = workreq; |
| 730 | dev->last_cmd[c] = scmd_id(workreq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 732 | if ((atp_readb_io(dev, c, 0x1f) & 0xb0) != 0 || atp_readb_io(dev, c, 0x1c) != 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 733 | #ifdef ED_DBGP |
Ondrej Zary | 468b896 | 2015-11-17 19:23:50 +0100 | [diff] [blame] | 734 | printk("Abort to Send\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 735 | #endif |
Ondrej Zary | 468b896 | 2015-11-17 19:23:50 +0100 | [diff] [blame] | 736 | dev->last_cmd[c] |= 0x40; |
| 737 | dev->in_snd[c] = 0; |
| 738 | return; |
| 739 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 740 | #ifdef ED_DBGP |
| 741 | printk("OK to Send\n"); |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 742 | scmd_printk(KERN_DEBUG, workreq, "CDB"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 743 | for(i=0;i<workreq->cmd_len;i++) { |
| 744 | printk(" %x",workreq->cmnd[i]); |
| 745 | } |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 746 | printk("\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 747 | #endif |
Boaz Harrosh | fe7ed98 | 2007-09-09 21:06:23 +0300 | [diff] [blame] | 748 | l = scsi_bufflen(workreq); |
| 749 | |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 750 | if (is885(dev)) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 751 | j = atp_readb_base(dev, 0x29) & 0xfe; |
| 752 | atp_writeb_base(dev, 0x29, j); |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 753 | dev->r1f[c][scmd_id(workreq)] = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 754 | } |
| 755 | |
| 756 | if (workreq->cmnd[0] == READ_CAPACITY) { |
Boaz Harrosh | fe7ed98 | 2007-09-09 21:06:23 +0300 | [diff] [blame] | 757 | if (l > 8) |
| 758 | l = 8; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 759 | } |
| 760 | if (workreq->cmnd[0] == 0x00) { |
Boaz Harrosh | fe7ed98 | 2007-09-09 21:06:23 +0300 | [diff] [blame] | 761 | l = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 762 | } |
| 763 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 764 | j = 0; |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 765 | target_id = scmd_id(workreq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | |
| 767 | /* |
| 768 | * Wide ? |
| 769 | */ |
| 770 | w = 1; |
| 771 | w = w << target_id; |
| 772 | if ((w & dev->wide_id[c]) != 0) { |
| 773 | j |= 0x01; |
| 774 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 775 | atp_writeb_io(dev, c, 0x1b, j); |
| 776 | while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j) { |
| 777 | atp_writeb_pci(dev, c, 0x1b, j); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 778 | #ifdef ED_DBGP |
| 779 | printk("send_s870 while loop 1\n"); |
| 780 | #endif |
| 781 | } |
| 782 | /* |
| 783 | * Write the command |
| 784 | */ |
| 785 | |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 786 | atp_writeb_io(dev, c, 0x00, workreq->cmd_len); |
| 787 | atp_writeb_io(dev, c, 0x01, 0x2c); |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 788 | if (is885(dev)) |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 789 | atp_writeb_io(dev, c, 0x02, 0x7f); |
| 790 | else |
| 791 | atp_writeb_io(dev, c, 0x02, 0xcf); |
| 792 | for (i = 0; i < workreq->cmd_len; i++) |
| 793 | atp_writeb_io(dev, c, 0x03 + i, workreq->cmnd[i]); |
| 794 | atp_writeb_io(dev, c, 0x0f, workreq->device->lun); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 795 | /* |
| 796 | * Write the target |
| 797 | */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 798 | atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 799 | #ifdef ED_DBGP |
| 800 | printk("dev->id[%d][%d].devsp = %2x\n",c,target_id,dev->id[c][target_id].devsp); |
| 801 | #endif |
Boaz Harrosh | fe7ed98 | 2007-09-09 21:06:23 +0300 | [diff] [blame] | 802 | |
| 803 | sg_count = scsi_dma_map(workreq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 804 | /* |
| 805 | * Write transfer size |
| 806 | */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 807 | atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&l))[2]); |
| 808 | atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&l))[1]); |
| 809 | atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&l))[0]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | j = target_id; |
| 811 | dev->id[c][j].last_len = l; |
| 812 | dev->id[c][j].tran_len = 0; |
| 813 | #ifdef ED_DBGP |
| 814 | printk("dev->id[%2d][%2d].last_len = %d\n",c,j,dev->id[c][j].last_len); |
| 815 | #endif |
| 816 | /* |
| 817 | * Flip the wide bits |
| 818 | */ |
| 819 | if ((j & 0x08) != 0) { |
| 820 | j = (j & 0x07) | 0x40; |
| 821 | } |
| 822 | /* |
| 823 | * Check transfer direction |
| 824 | */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 825 | if (workreq->sc_data_direction == DMA_TO_DEVICE) |
| 826 | atp_writeb_io(dev, c, 0x15, j | 0x20); |
| 827 | else |
| 828 | atp_writeb_io(dev, c, 0x15, j); |
| 829 | atp_writeb_io(dev, c, 0x16, atp_readb_io(dev, c, 0x16) | 0x80); |
| 830 | atp_writeb_io(dev, c, 0x16, 0x80); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 831 | dev->id[c][target_id].dirct = 0; |
| 832 | if (l == 0) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 833 | if (atp_readb_io(dev, c, 0x1c) == 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 834 | #ifdef ED_DBGP |
| 835 | printk("change SCSI_CMD_REG 0x08\n"); |
| 836 | #endif |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 837 | atp_writeb_io(dev, c, 0x18, 0x08); |
| 838 | } else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 839 | dev->last_cmd[c] |= 0x40; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | dev->in_snd[c] = 0; |
| 841 | return; |
| 842 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 843 | prd = dev->id[c][target_id].prd_table; |
| 844 | dev->id[c][target_id].prd_pos = prd; |
| 845 | |
| 846 | /* |
| 847 | * Now write the request list. Either as scatter/gather or as |
| 848 | * a linear chain. |
| 849 | */ |
| 850 | |
Boaz Harrosh | fe7ed98 | 2007-09-09 21:06:23 +0300 | [diff] [blame] | 851 | if (l) { |
| 852 | struct scatterlist *sgpnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 853 | i = 0; |
Boaz Harrosh | fe7ed98 | 2007-09-09 21:06:23 +0300 | [diff] [blame] | 854 | scsi_for_each_sg(workreq, sgpnt, sg_count, j) { |
| 855 | bttl = sg_dma_address(sgpnt); |
| 856 | l=sg_dma_len(sgpnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 857 | #ifdef ED_DBGP |
Boaz Harrosh | fe7ed98 | 2007-09-09 21:06:23 +0300 | [diff] [blame] | 858 | printk("1. bttl %x, l %x\n",bttl, l); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 859 | #endif |
Boaz Harrosh | fe7ed98 | 2007-09-09 21:06:23 +0300 | [diff] [blame] | 860 | while (l > 0x10000) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 861 | (((u16 *) (prd))[i + 3]) = 0x0000; |
| 862 | (((u16 *) (prd))[i + 2]) = 0x0000; |
| 863 | (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl); |
| 864 | l -= 0x10000; |
| 865 | bttl += 0x10000; |
| 866 | i += 0x04; |
| 867 | } |
| 868 | (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl); |
| 869 | (((u16 *) (prd))[i + 2]) = cpu_to_le16(l); |
| 870 | (((u16 *) (prd))[i + 3]) = 0; |
| 871 | i += 0x04; |
| 872 | } |
| 873 | (((u16 *) (prd))[i - 1]) = cpu_to_le16(0x8000); |
| 874 | #ifdef ED_DBGP |
| 875 | printk("prd %4x %4x %4x %4x\n",(((unsigned short int *)prd)[0]),(((unsigned short int *)prd)[1]),(((unsigned short int *)prd)[2]),(((unsigned short int *)prd)[3])); |
| 876 | printk("2. bttl %x, l %x\n",bttl, l); |
| 877 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 878 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 879 | #ifdef ED_DBGP |
Ondrej Zary | c2bab40 | 2015-11-17 19:23:48 +0100 | [diff] [blame] | 880 | printk("send_s870: prdaddr_2 0x%8x target_id %d\n", dev->id[c][target_id].prdaddr,target_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 881 | #endif |
James Bottomley | b568355 | 2005-09-15 08:59:36 -0500 | [diff] [blame] | 882 | dev->id[c][target_id].prdaddr = dev->id[c][target_id].prd_bus; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 883 | atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr); |
| 884 | atp_writeb_pci(dev, c, 2, 0x06); |
| 885 | atp_writeb_pci(dev, c, 2, 0x00); |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 886 | if (is885(dev)) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 887 | j = atp_readb_pci(dev, c, 1) & 0xf3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 888 | if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || |
| 889 | (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) { |
| 890 | j |= 0x0c; |
| 891 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 892 | atp_writeb_pci(dev, c, 1, j); |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 893 | } else if (is880(dev)) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 894 | if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) |
| 895 | atp_writeb_base(dev, 0x3b, (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0); |
| 896 | else |
| 897 | atp_writeb_base(dev, 0x3b, atp_readb_base(dev, 0x3b) & 0x3f); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 898 | } else { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 899 | if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) |
Ondrej Zary | c751d9f | 2015-11-17 19:24:09 +0100 | [diff] [blame] | 900 | atp_writeb_base(dev, 0x3a, (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08); |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 901 | else |
Ondrej Zary | c751d9f | 2015-11-17 19:24:09 +0100 | [diff] [blame] | 902 | atp_writeb_base(dev, 0x3a, atp_readb_base(dev, 0x3a) & 0xf3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 903 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 904 | |
| 905 | if(workreq->sc_data_direction == DMA_TO_DEVICE) { |
| 906 | dev->id[c][target_id].dirct = 0x20; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 907 | if (atp_readb_io(dev, c, 0x1c) == 0) { |
| 908 | atp_writeb_io(dev, c, 0x18, 0x08); |
| 909 | atp_writeb_pci(dev, c, 0, 0x01); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 910 | #ifdef ED_DBGP |
| 911 | printk( "start DMA(to target)\n"); |
| 912 | #endif |
| 913 | } else { |
| 914 | dev->last_cmd[c] |= 0x40; |
| 915 | } |
| 916 | dev->in_snd[c] = 0; |
| 917 | return; |
| 918 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 919 | if (atp_readb_io(dev, c, 0x1c) == 0) { |
| 920 | atp_writeb_io(dev, c, 0x18, 0x08); |
| 921 | atp_writeb_pci(dev, c, 0, 0x09); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 922 | #ifdef ED_DBGP |
| 923 | printk( "start DMA(to host)\n"); |
| 924 | #endif |
| 925 | } else { |
| 926 | dev->last_cmd[c] |= 0x40; |
| 927 | } |
| 928 | dev->in_snd[c] = 0; |
| 929 | return; |
| 930 | |
| 931 | } |
| 932 | |
| 933 | static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val) |
| 934 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 935 | unsigned short int i, k; |
| 936 | unsigned char j; |
| 937 | |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 938 | atp_writew_io(dev, 0, 0x1c, *val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 939 | for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 940 | k = atp_readw_io(dev, 0, 0x1c); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 941 | j = (unsigned char) (k >> 8); |
Ondrej Zary | 832e9ac | 2015-11-17 19:23:51 +0100 | [diff] [blame] | 942 | if ((k & 0x8000) != 0) /* DB7 all release? */ |
| 943 | i = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 944 | } |
| 945 | *val |= 0x4000; /* assert DB6 */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 946 | atp_writew_io(dev, 0, 0x1c, *val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 947 | *val &= 0xdfff; /* assert DB5 */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 948 | atp_writew_io(dev, 0, 0x1c, *val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 949 | for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 950 | if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) != 0) /* DB5 all release? */ |
Ondrej Zary | 832e9ac | 2015-11-17 19:23:51 +0100 | [diff] [blame] | 951 | i = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 952 | } |
| 953 | *val |= 0x8000; /* no DB4-0, assert DB7 */ |
| 954 | *val &= 0xe0ff; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 955 | atp_writew_io(dev, 0, 0x1c, *val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 956 | *val &= 0xbfff; /* release DB6 */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 957 | atp_writew_io(dev, 0, 0x1c, *val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 958 | for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 959 | if ((atp_readw_io(dev, 0, 0x1c) & 0x4000) != 0) /* DB6 all release? */ |
Ondrej Zary | 832e9ac | 2015-11-17 19:23:51 +0100 | [diff] [blame] | 960 | i = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 961 | } |
| 962 | |
| 963 | return j; |
| 964 | } |
| 965 | |
Ondrej Zary | 8177c50 | 2015-11-17 19:24:24 +0100 | [diff] [blame] | 966 | static void tscam(struct Scsi_Host *host, bool wide_chip, u8 scam_on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | { |
| 968 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 969 | unsigned char i, j, k; |
| 970 | unsigned long n; |
| 971 | unsigned short int m, assignid_map, val; |
| 972 | unsigned char mbuf[33], quintet[2]; |
| 973 | struct atp_unit *dev = (struct atp_unit *)&host->hostdata; |
| 974 | static unsigned char g2q_tab[8] = { |
| 975 | 0x38, 0x31, 0x32, 0x2b, 0x34, 0x2d, 0x2e, 0x27 |
| 976 | }; |
| 977 | |
| 978 | /* I can't believe we need this before we've even done anything. Remove it |
| 979 | * and see if anyone bitches. |
| 980 | for (i = 0; i < 0x10; i++) { |
| 981 | udelay(0xffff); |
| 982 | } |
| 983 | */ |
| 984 | |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 985 | atp_writeb_io(dev, 0, 1, 0x08); |
| 986 | atp_writeb_io(dev, 0, 2, 0x7f); |
| 987 | atp_writeb_io(dev, 0, 0x11, 0x20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 988 | |
Ondrej Zary | 8177c50 | 2015-11-17 19:24:24 +0100 | [diff] [blame] | 989 | if ((scam_on & 0x40) == 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 990 | return; |
| 991 | } |
| 992 | m = 1; |
| 993 | m <<= dev->host_id[0]; |
| 994 | j = 16; |
Ondrej Zary | dd5a5f7 | 2015-11-17 19:24:19 +0100 | [diff] [blame] | 995 | if (!wide_chip) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 996 | m |= 0xff00; |
| 997 | j = 8; |
| 998 | } |
| 999 | assignid_map = m; |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1000 | atp_writeb_io(dev, 0, 0x02, 0x02); /* 2*2=4ms,3EH 2/32*3E=3.9ms */ |
| 1001 | atp_writeb_io(dev, 0, 0x03, 0); |
| 1002 | atp_writeb_io(dev, 0, 0x04, 0); |
| 1003 | atp_writeb_io(dev, 0, 0x05, 0); |
| 1004 | atp_writeb_io(dev, 0, 0x06, 0); |
| 1005 | atp_writeb_io(dev, 0, 0x07, 0); |
| 1006 | atp_writeb_io(dev, 0, 0x08, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1007 | |
| 1008 | for (i = 0; i < j; i++) { |
| 1009 | m = 1; |
| 1010 | m = m << i; |
| 1011 | if ((m & assignid_map) != 0) { |
| 1012 | continue; |
| 1013 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1014 | atp_writeb_io(dev, 0, 0x0f, 0); |
| 1015 | atp_writeb_io(dev, 0, 0x12, 0); |
| 1016 | atp_writeb_io(dev, 0, 0x13, 0); |
| 1017 | atp_writeb_io(dev, 0, 0x14, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1018 | if (i > 7) { |
| 1019 | k = (i & 0x07) | 0x40; |
| 1020 | } else { |
| 1021 | k = i; |
| 1022 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1023 | atp_writeb_io(dev, 0, 0x15, k); |
Ondrej Zary | dd5a5f7 | 2015-11-17 19:24:19 +0100 | [diff] [blame] | 1024 | if (wide_chip) |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1025 | atp_writeb_io(dev, 0, 0x1b, 0x01); |
| 1026 | else |
| 1027 | atp_writeb_io(dev, 0, 0x1b, 0x00); |
Ondrej Zary | 58c4d04 | 2015-11-17 19:23:52 +0100 | [diff] [blame] | 1028 | do { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1029 | atp_writeb_io(dev, 0, 0x18, 0x09); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1030 | |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1031 | while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0x00) |
Ondrej Zary | 58c4d04 | 2015-11-17 19:23:52 +0100 | [diff] [blame] | 1032 | cpu_relax(); |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1033 | k = atp_readb_io(dev, 0, 0x17); |
Ondrej Zary | 58c4d04 | 2015-11-17 19:23:52 +0100 | [diff] [blame] | 1034 | if ((k == 0x85) || (k == 0x42)) |
| 1035 | break; |
| 1036 | if (k != 0x16) |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1037 | atp_writeb_io(dev, 0, 0x10, 0x41); |
Ondrej Zary | 58c4d04 | 2015-11-17 19:23:52 +0100 | [diff] [blame] | 1038 | } while (k != 0x16); |
| 1039 | if ((k == 0x85) || (k == 0x42)) |
| 1040 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1041 | assignid_map |= m; |
| 1042 | |
| 1043 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1044 | atp_writeb_io(dev, 0, 0x02, 0x7f); |
| 1045 | atp_writeb_io(dev, 0, 0x1b, 0x02); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1046 | |
Ondrej Zary | 2bbbac4 | 2015-11-17 19:24:08 +0100 | [diff] [blame] | 1047 | udelay(2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1048 | |
| 1049 | val = 0x0080; /* bsy */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1050 | atp_writew_io(dev, 0, 0x1c, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1051 | val |= 0x0040; /* sel */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1052 | atp_writew_io(dev, 0, 0x1c, val); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1053 | val |= 0x0004; /* msg */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1054 | atp_writew_io(dev, 0, 0x1c, val); |
Ondrej Zary | 2bbbac4 | 2015-11-17 19:24:08 +0100 | [diff] [blame] | 1055 | udelay(2); /* 2 deskew delay(45ns*2=90ns) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1056 | val &= 0x007f; /* no bsy */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1057 | atp_writew_io(dev, 0, 0x1c, val); |
Jia-Ju Bai | dcaa0c1 | 2018-07-27 17:13:17 +0800 | [diff] [blame] | 1058 | msleep(128); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1059 | val &= 0x00fb; /* after 1ms no msg */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1060 | atp_writew_io(dev, 0, 0x1c, val); |
| 1061 | while ((atp_readb_io(dev, 0, 0x1c) & 0x04) != 0) |
Ondrej Zary | 58c4d04 | 2015-11-17 19:23:52 +0100 | [diff] [blame] | 1062 | ; |
Ondrej Zary | 2bbbac4 | 2015-11-17 19:24:08 +0100 | [diff] [blame] | 1063 | udelay(2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1064 | udelay(100); |
Ondrej Zary | c7fcc08 | 2015-11-17 19:23:53 +0100 | [diff] [blame] | 1065 | for (n = 0; n < 0x30000; n++) |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1066 | if ((atp_readb_io(dev, 0, 0x1c) & 0x80) != 0) /* bsy ? */ |
Ondrej Zary | c7fcc08 | 2015-11-17 19:23:53 +0100 | [diff] [blame] | 1067 | break; |
| 1068 | if (n < 0x30000) |
| 1069 | for (n = 0; n < 0x30000; n++) |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1070 | if ((atp_readb_io(dev, 0, 0x1c) & 0x81) == 0x0081) { |
Ondrej Zary | 2bbbac4 | 2015-11-17 19:24:08 +0100 | [diff] [blame] | 1071 | udelay(2); |
Ondrej Zary | c7fcc08 | 2015-11-17 19:23:53 +0100 | [diff] [blame] | 1072 | val |= 0x8003; /* io,cd,db7 */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1073 | atp_writew_io(dev, 0, 0x1c, val); |
Ondrej Zary | 2bbbac4 | 2015-11-17 19:24:08 +0100 | [diff] [blame] | 1074 | udelay(2); |
Ondrej Zary | c7fcc08 | 2015-11-17 19:23:53 +0100 | [diff] [blame] | 1075 | val &= 0x00bf; /* no sel */ |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1076 | atp_writew_io(dev, 0, 0x1c, val); |
Ondrej Zary | 2bbbac4 | 2015-11-17 19:24:08 +0100 | [diff] [blame] | 1077 | udelay(2); |
Ondrej Zary | c7fcc08 | 2015-11-17 19:23:53 +0100 | [diff] [blame] | 1078 | break; |
| 1079 | } |
| 1080 | while (1) { |
Martin Michlmayr | 0f6d93a | 2012-10-04 17:11:25 -0700 | [diff] [blame] | 1081 | /* |
| 1082 | * The funny division into multiple delays is to accomodate |
| 1083 | * arches like ARM where udelay() multiplies its argument by |
| 1084 | * a large number to initialize a loop counter. To avoid |
| 1085 | * overflow, the maximum supported udelay is 2000 microseconds. |
| 1086 | * |
| 1087 | * XXX it would be more polite to find a way to use msleep() |
| 1088 | */ |
| 1089 | mdelay(2); |
| 1090 | udelay(48); |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1091 | if ((atp_readb_io(dev, 0, 0x1c) & 0x80) == 0x00) { /* bsy ? */ |
| 1092 | atp_writew_io(dev, 0, 0x1c, 0); |
| 1093 | atp_writeb_io(dev, 0, 0x1b, 0); |
| 1094 | atp_writeb_io(dev, 0, 0x15, 0); |
| 1095 | atp_writeb_io(dev, 0, 0x18, 0x09); |
| 1096 | while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1097 | cpu_relax(); |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1098 | atp_readb_io(dev, 0, 0x17); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1099 | return; |
| 1100 | } |
| 1101 | val &= 0x00ff; /* synchronization */ |
| 1102 | val |= 0x3f00; |
| 1103 | fun_scam(dev, &val); |
Ondrej Zary | 2bbbac4 | 2015-11-17 19:24:08 +0100 | [diff] [blame] | 1104 | udelay(2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1105 | val &= 0x00ff; /* isolation */ |
| 1106 | val |= 0x2000; |
| 1107 | fun_scam(dev, &val); |
Ondrej Zary | 2bbbac4 | 2015-11-17 19:24:08 +0100 | [diff] [blame] | 1108 | udelay(2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1109 | i = 8; |
| 1110 | j = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1111 | |
Ondrej Zary | c7fcc08 | 2015-11-17 19:23:53 +0100 | [diff] [blame] | 1112 | while (1) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1113 | if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) == 0) |
Ondrej Zary | c7fcc08 | 2015-11-17 19:23:53 +0100 | [diff] [blame] | 1114 | continue; |
Ondrej Zary | 2bbbac4 | 2015-11-17 19:24:08 +0100 | [diff] [blame] | 1115 | udelay(2); |
Ondrej Zary | c7fcc08 | 2015-11-17 19:23:53 +0100 | [diff] [blame] | 1116 | val &= 0x00ff; /* get ID_STRING */ |
| 1117 | val |= 0x2000; |
| 1118 | k = fun_scam(dev, &val); |
| 1119 | if ((k & 0x03) == 0) |
| 1120 | break; |
| 1121 | mbuf[j] <<= 0x01; |
| 1122 | mbuf[j] &= 0xfe; |
| 1123 | if ((k & 0x02) != 0) |
| 1124 | mbuf[j] |= 0x01; |
| 1125 | i--; |
| 1126 | if (i > 0) |
| 1127 | continue; |
| 1128 | j++; |
| 1129 | i = 8; |
| 1130 | } |
| 1131 | |
| 1132 | /* isolation complete.. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1133 | /* mbuf[32]=0; |
| 1134 | printk(" \n%x %x %x %s\n ",assignid_map,mbuf[0],mbuf[1],&mbuf[2]); */ |
| 1135 | i = 15; |
| 1136 | j = mbuf[0]; |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1137 | if ((j & 0x20) != 0) { /* bit5=1:ID up to 7 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1138 | i = 7; |
| 1139 | } |
Ondrej Zary | c7fcc08 | 2015-11-17 19:23:53 +0100 | [diff] [blame] | 1140 | if ((j & 0x06) != 0) { /* IDvalid? */ |
| 1141 | k = mbuf[1]; |
| 1142 | while (1) { |
| 1143 | m = 1; |
| 1144 | m <<= k; |
| 1145 | if ((m & assignid_map) == 0) |
| 1146 | break; |
| 1147 | if (k > 0) |
| 1148 | k--; |
| 1149 | else |
| 1150 | break; |
| 1151 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1152 | } |
Ondrej Zary | c7fcc08 | 2015-11-17 19:23:53 +0100 | [diff] [blame] | 1153 | if ((m & assignid_map) != 0) { /* srch from max acceptable ID# */ |
| 1154 | k = i; /* max acceptable ID# */ |
| 1155 | while (1) { |
| 1156 | m = 1; |
| 1157 | m <<= k; |
| 1158 | if ((m & assignid_map) == 0) |
| 1159 | break; |
| 1160 | if (k > 0) |
| 1161 | k--; |
| 1162 | else |
| 1163 | break; |
| 1164 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1165 | } |
Ondrej Zary | c7fcc08 | 2015-11-17 19:23:53 +0100 | [diff] [blame] | 1166 | /* k=binID#, */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1167 | assignid_map |= m; |
| 1168 | if (k < 8) { |
| 1169 | quintet[0] = 0x38; /* 1st dft ID<8 */ |
| 1170 | } else { |
| 1171 | quintet[0] = 0x31; /* 1st ID>=8 */ |
| 1172 | } |
| 1173 | k &= 0x07; |
| 1174 | quintet[1] = g2q_tab[k]; |
| 1175 | |
| 1176 | val &= 0x00ff; /* AssignID 1stQuintet,AH=001xxxxx */ |
| 1177 | m = quintet[0] << 8; |
| 1178 | val |= m; |
| 1179 | fun_scam(dev, &val); |
| 1180 | val &= 0x00ff; /* AssignID 2ndQuintet,AH=001xxxxx */ |
| 1181 | m = quintet[1] << 8; |
| 1182 | val |= m; |
| 1183 | fun_scam(dev, &val); |
| 1184 | |
Ondrej Zary | c7fcc08 | 2015-11-17 19:23:53 +0100 | [diff] [blame] | 1185 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1186 | } |
| 1187 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1188 | static void atp870u_free_tables(struct Scsi_Host *host) |
| 1189 | { |
| 1190 | struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata; |
| 1191 | int j, k; |
| 1192 | for (j=0; j < 2; j++) { |
| 1193 | for (k = 0; k < 16; k++) { |
| 1194 | if (!atp_dev->id[j][k].prd_table) |
| 1195 | continue; |
James Bottomley | b568355 | 2005-09-15 08:59:36 -0500 | [diff] [blame] | 1196 | pci_free_consistent(atp_dev->pdev, 1024, atp_dev->id[j][k].prd_table, atp_dev->id[j][k].prd_bus); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1197 | atp_dev->id[j][k].prd_table = NULL; |
| 1198 | } |
| 1199 | } |
| 1200 | } |
| 1201 | |
| 1202 | static int atp870u_init_tables(struct Scsi_Host *host) |
| 1203 | { |
| 1204 | struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata; |
| 1205 | int c,k; |
| 1206 | for(c=0;c < 2;c++) { |
| 1207 | for(k=0;k<16;k++) { |
James Bottomley | b568355 | 2005-09-15 08:59:36 -0500 | [diff] [blame] | 1208 | atp_dev->id[c][k].prd_table = pci_alloc_consistent(atp_dev->pdev, 1024, &(atp_dev->id[c][k].prd_bus)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1209 | if (!atp_dev->id[c][k].prd_table) { |
| 1210 | printk("atp870u_init_tables fail\n"); |
| 1211 | atp870u_free_tables(host); |
| 1212 | return -ENOMEM; |
| 1213 | } |
James Bottomley | b568355 | 2005-09-15 08:59:36 -0500 | [diff] [blame] | 1214 | atp_dev->id[c][k].prdaddr = atp_dev->id[c][k].prd_bus; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1215 | atp_dev->id[c][k].devsp=0x20; |
| 1216 | atp_dev->id[c][k].devtype = 0x7f; |
| 1217 | atp_dev->id[c][k].curr_req = NULL; |
| 1218 | } |
| 1219 | |
| 1220 | atp_dev->active_id[c] = 0; |
| 1221 | atp_dev->wide_id[c] = 0; |
| 1222 | atp_dev->host_id[c] = 0x07; |
| 1223 | atp_dev->quhd[c] = 0; |
| 1224 | atp_dev->quend[c] = 0; |
| 1225 | atp_dev->last_cmd[c] = 0xff; |
| 1226 | atp_dev->in_snd[c] = 0; |
| 1227 | atp_dev->in_int[c] = 0; |
| 1228 | |
| 1229 | for (k = 0; k < qcnt; k++) { |
| 1230 | atp_dev->quereq[c][k] = NULL; |
| 1231 | } |
| 1232 | for (k = 0; k < 16; k++) { |
| 1233 | atp_dev->id[c][k].curr_req = NULL; |
| 1234 | atp_dev->sp[c][k] = 0x04; |
| 1235 | } |
| 1236 | } |
| 1237 | return 0; |
| 1238 | } |
| 1239 | |
Ondrej Zary | 6a1961b | 2015-11-17 19:24:10 +0100 | [diff] [blame] | 1240 | static void atp_set_host_id(struct atp_unit *atp, u8 c, u8 host_id) |
| 1241 | { |
| 1242 | atp_writeb_io(atp, c, 0, host_id | 0x08); |
| 1243 | atp_writeb_io(atp, c, 0x18, 0); |
| 1244 | while ((atp_readb_io(atp, c, 0x1f) & 0x80) == 0) |
| 1245 | mdelay(1); |
| 1246 | atp_readb_io(atp, c, 0x17); |
| 1247 | atp_writeb_io(atp, c, 1, 8); |
| 1248 | atp_writeb_io(atp, c, 2, 0x7f); |
| 1249 | atp_writeb_io(atp, c, 0x11, 0x20); |
| 1250 | } |
| 1251 | |
Ondrej Zary | 4190230 | 2015-11-17 19:24:28 +0100 | [diff] [blame] | 1252 | static void atp870_init(struct Scsi_Host *shpnt) |
| 1253 | { |
| 1254 | struct atp_unit *atpdev = shost_priv(shpnt); |
| 1255 | struct pci_dev *pdev = atpdev->pdev; |
| 1256 | unsigned char k, host_id; |
| 1257 | u8 scam_on; |
| 1258 | bool wide_chip = |
| 1259 | (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7610 && |
| 1260 | pdev->revision == 4) || |
| 1261 | (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612UW) || |
| 1262 | (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612SUW); |
| 1263 | |
| 1264 | pci_read_config_byte(pdev, 0x49, &host_id); |
| 1265 | |
| 1266 | dev_info(&pdev->dev, "ACARD AEC-671X PCI Ultra/W SCSI-2/3 Host Adapter: IO:%lx, IRQ:%d.\n", |
| 1267 | shpnt->io_port, shpnt->irq); |
| 1268 | |
| 1269 | atpdev->ioport[0] = shpnt->io_port; |
| 1270 | atpdev->pciport[0] = shpnt->io_port + 0x20; |
| 1271 | host_id &= 0x07; |
| 1272 | atpdev->host_id[0] = host_id; |
| 1273 | scam_on = atp_readb_pci(atpdev, 0, 2); |
| 1274 | atpdev->global_map[0] = atp_readb_base(atpdev, 0x2d); |
| 1275 | atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x2e); |
| 1276 | |
| 1277 | if (atpdev->ultra_map[0] == 0) { |
| 1278 | scam_on = 0x00; |
| 1279 | atpdev->global_map[0] = 0x20; |
| 1280 | atpdev->ultra_map[0] = 0xffff; |
| 1281 | } |
| 1282 | |
| 1283 | if (pdev->revision > 0x07) /* check if atp876 chip */ |
| 1284 | atp_writeb_base(atpdev, 0x3e, 0x00); /* enable terminator */ |
| 1285 | |
| 1286 | k = (atp_readb_base(atpdev, 0x3a) & 0xf3) | 0x10; |
| 1287 | atp_writeb_base(atpdev, 0x3a, k); |
| 1288 | atp_writeb_base(atpdev, 0x3a, k & 0xdf); |
Jia-Ju Bai | dcaa0c1 | 2018-07-27 17:13:17 +0800 | [diff] [blame] | 1289 | msleep(32); |
Ondrej Zary | 4190230 | 2015-11-17 19:24:28 +0100 | [diff] [blame] | 1290 | atp_writeb_base(atpdev, 0x3a, k); |
Jia-Ju Bai | dcaa0c1 | 2018-07-27 17:13:17 +0800 | [diff] [blame] | 1291 | msleep(32); |
Ondrej Zary | 4190230 | 2015-11-17 19:24:28 +0100 | [diff] [blame] | 1292 | atp_set_host_id(atpdev, 0, host_id); |
| 1293 | |
| 1294 | tscam(shpnt, wide_chip, scam_on); |
| 1295 | atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10); |
| 1296 | atp_is(atpdev, 0, wide_chip, 0); |
| 1297 | atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef); |
| 1298 | atp_writeb_base(atpdev, 0x3b, atp_readb_base(atpdev, 0x3b) | 0x20); |
| 1299 | shpnt->max_id = wide_chip ? 16 : 8; |
| 1300 | shpnt->this_id = host_id; |
| 1301 | } |
| 1302 | |
Ondrej Zary | c7e6a02 | 2015-11-17 19:24:26 +0100 | [diff] [blame] | 1303 | static void atp880_init(struct Scsi_Host *shpnt) |
| 1304 | { |
| 1305 | struct atp_unit *atpdev = shost_priv(shpnt); |
| 1306 | struct pci_dev *pdev = atpdev->pdev; |
| 1307 | unsigned char k, m, host_id; |
| 1308 | unsigned int n; |
| 1309 | |
| 1310 | pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80); |
| 1311 | |
| 1312 | atpdev->ioport[0] = shpnt->io_port + 0x40; |
| 1313 | atpdev->pciport[0] = shpnt->io_port + 0x28; |
| 1314 | |
| 1315 | host_id = atp_readb_base(atpdev, 0x39) >> 4; |
| 1316 | |
| 1317 | dev_info(&pdev->dev, "ACARD AEC-67160 PCI Ultra3 LVD Host Adapter: IO:%lx, IRQ:%d.\n", |
| 1318 | shpnt->io_port, shpnt->irq); |
| 1319 | atpdev->host_id[0] = host_id; |
| 1320 | |
| 1321 | atpdev->global_map[0] = atp_readb_base(atpdev, 0x35); |
| 1322 | atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x3c); |
| 1323 | |
| 1324 | n = 0x3f09; |
| 1325 | while (n < 0x4000) { |
| 1326 | m = 0; |
| 1327 | atp_writew_base(atpdev, 0x34, n); |
| 1328 | n += 0x0002; |
| 1329 | if (atp_readb_base(atpdev, 0x30) == 0xff) |
| 1330 | break; |
| 1331 | |
| 1332 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); |
| 1333 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); |
| 1334 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); |
| 1335 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); |
| 1336 | atp_writew_base(atpdev, 0x34, n); |
| 1337 | n += 0x0002; |
| 1338 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); |
| 1339 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); |
| 1340 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); |
| 1341 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); |
| 1342 | atp_writew_base(atpdev, 0x34, n); |
| 1343 | n += 0x0002; |
| 1344 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); |
| 1345 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); |
| 1346 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); |
| 1347 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); |
| 1348 | atp_writew_base(atpdev, 0x34, n); |
| 1349 | n += 0x0002; |
| 1350 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); |
| 1351 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); |
| 1352 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); |
| 1353 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); |
| 1354 | n += 0x0018; |
| 1355 | } |
| 1356 | atp_writew_base(atpdev, 0x34, 0); |
| 1357 | atpdev->ultra_map[0] = 0; |
| 1358 | atpdev->async[0] = 0; |
| 1359 | for (k = 0; k < 16; k++) { |
| 1360 | n = 1 << k; |
| 1361 | if (atpdev->sp[0][k] > 1) |
| 1362 | atpdev->ultra_map[0] |= n; |
| 1363 | else |
| 1364 | if (atpdev->sp[0][k] == 0) |
| 1365 | atpdev->async[0] |= n; |
| 1366 | } |
| 1367 | atpdev->async[0] = ~(atpdev->async[0]); |
| 1368 | atp_writeb_base(atpdev, 0x35, atpdev->global_map[0]); |
| 1369 | |
| 1370 | k = atp_readb_base(atpdev, 0x38) & 0x80; |
| 1371 | atp_writeb_base(atpdev, 0x38, k); |
| 1372 | atp_writeb_base(atpdev, 0x3b, 0x20); |
Jia-Ju Bai | dcaa0c1 | 2018-07-27 17:13:17 +0800 | [diff] [blame] | 1373 | msleep(32); |
Ondrej Zary | c7e6a02 | 2015-11-17 19:24:26 +0100 | [diff] [blame] | 1374 | atp_writeb_base(atpdev, 0x3b, 0); |
Jia-Ju Bai | dcaa0c1 | 2018-07-27 17:13:17 +0800 | [diff] [blame] | 1375 | msleep(32); |
Ondrej Zary | c7e6a02 | 2015-11-17 19:24:26 +0100 | [diff] [blame] | 1376 | atp_readb_io(atpdev, 0, 0x1b); |
| 1377 | atp_readb_io(atpdev, 0, 0x17); |
| 1378 | |
| 1379 | atp_set_host_id(atpdev, 0, host_id); |
| 1380 | |
| 1381 | tscam(shpnt, true, atp_readb_base(atpdev, 0x22)); |
| 1382 | atp_is(atpdev, 0, true, atp_readb_base(atpdev, 0x3f) & 0x40); |
| 1383 | atp_writeb_base(atpdev, 0x38, 0xb0); |
| 1384 | shpnt->max_id = 16; |
| 1385 | shpnt->this_id = host_id; |
| 1386 | } |
| 1387 | |
Ondrej Zary | ecc6ff9 | 2015-11-17 19:24:27 +0100 | [diff] [blame] | 1388 | static void atp885_init(struct Scsi_Host *shpnt) |
| 1389 | { |
| 1390 | struct atp_unit *atpdev = shost_priv(shpnt); |
| 1391 | struct pci_dev *pdev = atpdev->pdev; |
| 1392 | unsigned char k, m, c; |
| 1393 | unsigned int n; |
| 1394 | unsigned char setupdata[2][16]; |
| 1395 | |
| 1396 | dev_info(&pdev->dev, "ACARD AEC-67162 PCI Ultra3 LVD Host Adapter: IO:%lx, IRQ:%d.\n", |
| 1397 | shpnt->io_port, shpnt->irq); |
| 1398 | |
| 1399 | atpdev->ioport[0] = shpnt->io_port + 0x80; |
| 1400 | atpdev->ioport[1] = shpnt->io_port + 0xc0; |
| 1401 | atpdev->pciport[0] = shpnt->io_port + 0x40; |
| 1402 | atpdev->pciport[1] = shpnt->io_port + 0x50; |
| 1403 | |
| 1404 | c = atp_readb_base(atpdev, 0x29); |
| 1405 | atp_writeb_base(atpdev, 0x29, c | 0x04); |
| 1406 | |
| 1407 | n = 0x1f80; |
| 1408 | while (n < 0x2000) { |
| 1409 | atp_writew_base(atpdev, 0x3c, n); |
| 1410 | if (atp_readl_base(atpdev, 0x38) == 0xffffffff) |
| 1411 | break; |
| 1412 | for (m = 0; m < 2; m++) { |
| 1413 | atpdev->global_map[m] = 0; |
| 1414 | for (k = 0; k < 4; k++) { |
| 1415 | atp_writew_base(atpdev, 0x3c, n++); |
Dan Carpenter | 29e79e0 | 2018-02-14 15:02:31 +0300 | [diff] [blame] | 1416 | ((u32 *)&setupdata[m][0])[k] = atp_readl_base(atpdev, 0x38); |
Ondrej Zary | ecc6ff9 | 2015-11-17 19:24:27 +0100 | [diff] [blame] | 1417 | } |
| 1418 | for (k = 0; k < 4; k++) { |
| 1419 | atp_writew_base(atpdev, 0x3c, n++); |
Dan Carpenter | 29e79e0 | 2018-02-14 15:02:31 +0300 | [diff] [blame] | 1420 | ((u32 *)&atpdev->sp[m][0])[k] = atp_readl_base(atpdev, 0x38); |
Ondrej Zary | ecc6ff9 | 2015-11-17 19:24:27 +0100 | [diff] [blame] | 1421 | } |
| 1422 | n += 8; |
| 1423 | } |
| 1424 | } |
| 1425 | c = atp_readb_base(atpdev, 0x29); |
| 1426 | atp_writeb_base(atpdev, 0x29, c & 0xfb); |
| 1427 | for (c = 0; c < 2; c++) { |
| 1428 | atpdev->ultra_map[c] = 0; |
| 1429 | atpdev->async[c] = 0; |
| 1430 | for (k = 0; k < 16; k++) { |
| 1431 | n = 1 << k; |
| 1432 | if (atpdev->sp[c][k] > 1) |
| 1433 | atpdev->ultra_map[c] |= n; |
| 1434 | else |
| 1435 | if (atpdev->sp[c][k] == 0) |
| 1436 | atpdev->async[c] |= n; |
| 1437 | } |
| 1438 | atpdev->async[c] = ~(atpdev->async[c]); |
| 1439 | |
| 1440 | if (atpdev->global_map[c] == 0) { |
| 1441 | k = setupdata[c][1]; |
| 1442 | if ((k & 0x40) != 0) |
| 1443 | atpdev->global_map[c] |= 0x20; |
| 1444 | k &= 0x07; |
| 1445 | atpdev->global_map[c] |= k; |
| 1446 | if ((setupdata[c][2] & 0x04) != 0) |
| 1447 | atpdev->global_map[c] |= 0x08; |
| 1448 | atpdev->host_id[c] = setupdata[c][0] & 0x07; |
| 1449 | } |
| 1450 | } |
| 1451 | |
| 1452 | k = atp_readb_base(atpdev, 0x28) & 0x8f; |
| 1453 | k |= 0x10; |
| 1454 | atp_writeb_base(atpdev, 0x28, k); |
| 1455 | atp_writeb_pci(atpdev, 0, 1, 0x80); |
| 1456 | atp_writeb_pci(atpdev, 1, 1, 0x80); |
Jia-Ju Bai | dcaa0c1 | 2018-07-27 17:13:17 +0800 | [diff] [blame] | 1457 | msleep(100); |
Ondrej Zary | ecc6ff9 | 2015-11-17 19:24:27 +0100 | [diff] [blame] | 1458 | atp_writeb_pci(atpdev, 0, 1, 0); |
| 1459 | atp_writeb_pci(atpdev, 1, 1, 0); |
Jia-Ju Bai | dcaa0c1 | 2018-07-27 17:13:17 +0800 | [diff] [blame] | 1460 | msleep(1000); |
Ondrej Zary | ecc6ff9 | 2015-11-17 19:24:27 +0100 | [diff] [blame] | 1461 | atp_readb_io(atpdev, 0, 0x1b); |
| 1462 | atp_readb_io(atpdev, 0, 0x17); |
| 1463 | atp_readb_io(atpdev, 1, 0x1b); |
| 1464 | atp_readb_io(atpdev, 1, 0x17); |
| 1465 | |
| 1466 | k = atpdev->host_id[0]; |
| 1467 | if (k > 7) |
| 1468 | k = (k & 0x07) | 0x40; |
| 1469 | atp_set_host_id(atpdev, 0, k); |
| 1470 | |
| 1471 | k = atpdev->host_id[1]; |
| 1472 | if (k > 7) |
| 1473 | k = (k & 0x07) | 0x40; |
| 1474 | atp_set_host_id(atpdev, 1, k); |
| 1475 | |
Jia-Ju Bai | dcaa0c1 | 2018-07-27 17:13:17 +0800 | [diff] [blame] | 1476 | msleep(600); /* this delay used to be called tscam_885() */ |
Ondrej Zary | ecc6ff9 | 2015-11-17 19:24:27 +0100 | [diff] [blame] | 1477 | dev_info(&pdev->dev, "Scanning Channel A SCSI Device ...\n"); |
| 1478 | atp_is(atpdev, 0, true, atp_readb_io(atpdev, 0, 0x1b) >> 7); |
| 1479 | atp_writeb_io(atpdev, 0, 0x16, 0x80); |
| 1480 | dev_info(&pdev->dev, "Scanning Channel B SCSI Device ...\n"); |
| 1481 | atp_is(atpdev, 1, true, atp_readb_io(atpdev, 1, 0x1b) >> 7); |
| 1482 | atp_writeb_io(atpdev, 1, 0x16, 0x80); |
| 1483 | k = atp_readb_base(atpdev, 0x28) & 0xcf; |
| 1484 | k |= 0xc0; |
| 1485 | atp_writeb_base(atpdev, 0x28, k); |
| 1486 | k = atp_readb_base(atpdev, 0x1f) | 0x80; |
| 1487 | atp_writeb_base(atpdev, 0x1f, k); |
| 1488 | k = atp_readb_base(atpdev, 0x29) | 0x01; |
| 1489 | atp_writeb_base(atpdev, 0x29, k); |
| 1490 | shpnt->max_id = 16; |
| 1491 | shpnt->max_lun = (atpdev->global_map[0] & 0x07) + 1; |
| 1492 | shpnt->max_channel = 1; |
| 1493 | shpnt->this_id = atpdev->host_id[0]; |
| 1494 | } |
| 1495 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1496 | /* return non-zero on detection */ |
| 1497 | static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
| 1498 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1499 | struct Scsi_Host *shpnt = NULL; |
Ondrej Zary | bdd5ac4 | 2015-11-17 19:24:17 +0100 | [diff] [blame] | 1500 | struct atp_unit *atpdev; |
Ondrej Zary | bdd5ac4 | 2015-11-17 19:24:17 +0100 | [diff] [blame] | 1501 | int err; |
Randy Dunlap | dc6a78f | 2006-06-27 22:01:28 -0700 | [diff] [blame] | 1502 | |
Ondrej Zary | b1e8506 | 2015-11-17 19:24:18 +0100 | [diff] [blame] | 1503 | if (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 && pdev->revision < 2) { |
| 1504 | dev_err(&pdev->dev, "ATP850S chips (AEC6710L/F cards) are not supported.\n"); |
| 1505 | return -ENODEV; |
| 1506 | } |
| 1507 | |
Ondrej Zary | bdd5ac4 | 2015-11-17 19:24:17 +0100 | [diff] [blame] | 1508 | err = pci_enable_device(pdev); |
| 1509 | if (err) |
| 1510 | goto fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1511 | |
Ondrej Zary | 34a2c35 | 2015-11-17 19:24:11 +0100 | [diff] [blame] | 1512 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1513 | printk(KERN_ERR "atp870u: DMA mask required but not available.\n"); |
Ondrej Zary | bdd5ac4 | 2015-11-17 19:24:17 +0100 | [diff] [blame] | 1514 | err = -EIO; |
| 1515 | goto disable_device; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1516 | } |
| 1517 | |
Ondrej Zary | 11ec131 | 2015-11-17 19:24:22 +0100 | [diff] [blame] | 1518 | err = pci_request_regions(pdev, "atp870u"); |
| 1519 | if (err) |
| 1520 | goto disable_device; |
| 1521 | pci_set_master(pdev); |
| 1522 | |
Ondrej Zary | bdd5ac4 | 2015-11-17 19:24:17 +0100 | [diff] [blame] | 1523 | err = -ENOMEM; |
| 1524 | shpnt = scsi_host_alloc(&atp870u_template, sizeof(struct atp_unit)); |
| 1525 | if (!shpnt) |
Ondrej Zary | 11ec131 | 2015-11-17 19:24:22 +0100 | [diff] [blame] | 1526 | goto release_region; |
Ondrej Zary | bdd5ac4 | 2015-11-17 19:24:17 +0100 | [diff] [blame] | 1527 | |
| 1528 | atpdev = shost_priv(shpnt); |
| 1529 | |
| 1530 | atpdev->host = shpnt; |
| 1531 | atpdev->pdev = pdev; |
| 1532 | pci_set_drvdata(pdev, atpdev); |
| 1533 | |
Ondrej Zary | 6c9b9c5 | 2015-11-17 19:24:20 +0100 | [diff] [blame] | 1534 | shpnt->io_port = pci_resource_start(pdev, 0); |
| 1535 | shpnt->io_port &= 0xfffffff8; |
| 1536 | shpnt->n_io_port = pci_resource_len(pdev, 0); |
| 1537 | atpdev->baseport = shpnt->io_port; |
| 1538 | shpnt->unique_id = shpnt->io_port; |
| 1539 | shpnt->irq = pdev->irq; |
Randy Dunlap | dc6a78f | 2006-06-27 22:01:28 -0700 | [diff] [blame] | 1540 | |
Ondrej Zary | f5f53a3 | 2015-11-17 19:24:25 +0100 | [diff] [blame] | 1541 | err = atp870u_init_tables(shpnt); |
| 1542 | if (err) { |
| 1543 | dev_err(&pdev->dev, "Unable to allocate tables for Acard controller\n"); |
| 1544 | goto unregister; |
| 1545 | } |
| 1546 | |
Ondrej Zary | c7e6a02 | 2015-11-17 19:24:26 +0100 | [diff] [blame] | 1547 | if (is880(atpdev)) |
| 1548 | atp880_init(shpnt); |
Ondrej Zary | ecc6ff9 | 2015-11-17 19:24:27 +0100 | [diff] [blame] | 1549 | else if (is885(atpdev)) |
| 1550 | atp885_init(shpnt); |
Ondrej Zary | 4190230 | 2015-11-17 19:24:28 +0100 | [diff] [blame] | 1551 | else |
| 1552 | atp870_init(shpnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1553 | |
Ondrej Zary | 1729c0d | 2015-11-17 19:24:23 +0100 | [diff] [blame] | 1554 | err = request_irq(shpnt->irq, atp870u_intr_handle, IRQF_SHARED, "atp870u", shpnt); |
| 1555 | if (err) { |
| 1556 | dev_err(&pdev->dev, "Unable to allocate IRQ %d.\n", shpnt->irq); |
| 1557 | goto free_tables; |
| 1558 | } |
| 1559 | |
| 1560 | err = scsi_add_host(shpnt, &pdev->dev); |
| 1561 | if (err) |
| 1562 | goto scsi_add_fail; |
| 1563 | scsi_scan_host(shpnt); |
| 1564 | |
| 1565 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1566 | |
| 1567 | scsi_add_fail: |
Ondrej Zary | 6c9b9c5 | 2015-11-17 19:24:20 +0100 | [diff] [blame] | 1568 | free_irq(shpnt->irq, shpnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1569 | free_tables: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1570 | atp870u_free_tables(shpnt); |
| 1571 | unregister: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1572 | scsi_host_put(shpnt); |
Ondrej Zary | 11ec131 | 2015-11-17 19:24:22 +0100 | [diff] [blame] | 1573 | release_region: |
| 1574 | pci_release_regions(pdev); |
Ondrej Zary | bdd5ac4 | 2015-11-17 19:24:17 +0100 | [diff] [blame] | 1575 | disable_device: |
| 1576 | pci_disable_device(pdev); |
| 1577 | fail: |
| 1578 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1579 | } |
| 1580 | |
| 1581 | /* The abort command does not leave the device in a clean state where |
| 1582 | it is available to be used again. Until this gets worked out, we will |
| 1583 | leave it commented out. */ |
| 1584 | |
| 1585 | static int atp870u_abort(struct scsi_cmnd * SCpnt) |
| 1586 | { |
| 1587 | unsigned char j, k, c; |
| 1588 | struct scsi_cmnd *workrequ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1589 | struct atp_unit *dev; |
| 1590 | struct Scsi_Host *host; |
| 1591 | host = SCpnt->device->host; |
| 1592 | |
| 1593 | dev = (struct atp_unit *)&host->hostdata; |
Jeff Garzik | 422c0d6 | 2005-10-24 18:05:09 -0400 | [diff] [blame] | 1594 | c = scmd_channel(SCpnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1595 | printk(" atp870u: abort Channel = %x \n", c); |
| 1596 | printk("working=%x last_cmd=%x ", dev->working[c], dev->last_cmd[c]); |
| 1597 | printk(" quhdu=%x quendu=%x ", dev->quhd[c], dev->quend[c]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1598 | for (j = 0; j < 0x18; j++) { |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1599 | printk(" r%2x=%2x", j, atp_readb_io(dev, c, j)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1600 | } |
Ondrej Zary | 6a3cebb | 2015-11-17 19:23:54 +0100 | [diff] [blame] | 1601 | printk(" r1c=%2x", atp_readb_io(dev, c, 0x1c)); |
| 1602 | printk(" r1f=%2x in_snd=%2x ", atp_readb_io(dev, c, 0x1f), dev->in_snd[c]); |
| 1603 | printk(" d00=%2x", atp_readb_pci(dev, c, 0x00)); |
| 1604 | printk(" d02=%2x", atp_readb_pci(dev, c, 0x02)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1605 | for(j=0;j<16;j++) { |
| 1606 | if (dev->id[c][j].curr_req != NULL) { |
| 1607 | workrequ = dev->id[c][j].curr_req; |
| 1608 | printk("\n que cdb= "); |
| 1609 | for (k=0; k < workrequ->cmd_len; k++) { |
| 1610 | printk(" %2x ",workrequ->cmnd[k]); |
| 1611 | } |
| 1612 | printk(" last_lenu= %x ",(unsigned int)dev->id[c][j].last_len); |
| 1613 | } |
| 1614 | } |
| 1615 | return SUCCESS; |
| 1616 | } |
| 1617 | |
| 1618 | static const char *atp870u_info(struct Scsi_Host *notused) |
| 1619 | { |
| 1620 | static char buffer[128]; |
| 1621 | |
| 1622 | strcpy(buffer, "ACARD AEC-6710/6712/67160 PCI Ultra/W/LVD SCSI-3 Adapter Driver V2.6+ac "); |
| 1623 | |
| 1624 | return buffer; |
| 1625 | } |
| 1626 | |
Al Viro | d773e42 | 2013-03-31 03:26:26 -0400 | [diff] [blame] | 1627 | static int atp870u_show_info(struct seq_file *m, struct Scsi_Host *HBAptr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1628 | { |
Rasmus Villemoes | 3d30079 | 2014-12-03 00:10:53 +0100 | [diff] [blame] | 1629 | seq_puts(m, "ACARD AEC-671X Driver Version: 2.6+ac\n\n" |
| 1630 | "Adapter Configuration:\n"); |
Al Viro | d773e42 | 2013-03-31 03:26:26 -0400 | [diff] [blame] | 1631 | seq_printf(m, " Base IO: %#.4lx\n", HBAptr->io_port); |
| 1632 | seq_printf(m, " IRQ: %d\n", HBAptr->irq); |
| 1633 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1634 | } |
| 1635 | |
| 1636 | |
| 1637 | static int atp870u_biosparam(struct scsi_device *disk, struct block_device *dev, |
| 1638 | sector_t capacity, int *ip) |
| 1639 | { |
| 1640 | int heads, sectors, cylinders; |
| 1641 | |
| 1642 | heads = 64; |
| 1643 | sectors = 32; |
| 1644 | cylinders = (unsigned long)capacity / (heads * sectors); |
| 1645 | if (cylinders > 1024) { |
| 1646 | heads = 255; |
| 1647 | sectors = 63; |
| 1648 | cylinders = (unsigned long)capacity / (heads * sectors); |
| 1649 | } |
| 1650 | ip[0] = heads; |
| 1651 | ip[1] = sectors; |
| 1652 | ip[2] = cylinders; |
| 1653 | |
| 1654 | return 0; |
| 1655 | } |
| 1656 | |
| 1657 | static void atp870u_remove (struct pci_dev *pdev) |
| 1658 | { |
| 1659 | struct atp_unit *devext = pci_get_drvdata(pdev); |
| 1660 | struct Scsi_Host *pshost = devext->host; |
| 1661 | |
| 1662 | |
| 1663 | scsi_remove_host(pshost); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1664 | free_irq(pshost->irq, pshost); |
Ondrej Zary | 11ec131 | 2015-11-17 19:24:22 +0100 | [diff] [blame] | 1665 | pci_release_regions(pdev); |
| 1666 | pci_disable_device(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1667 | atp870u_free_tables(pshost); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1668 | scsi_host_put(pshost); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1669 | } |
| 1670 | MODULE_LICENSE("GPL"); |
| 1671 | |
| 1672 | static struct scsi_host_template atp870u_template = { |
| 1673 | .module = THIS_MODULE, |
| 1674 | .name = "atp870u" /* name */, |
| 1675 | .proc_name = "atp870u", |
Al Viro | d773e42 | 2013-03-31 03:26:26 -0400 | [diff] [blame] | 1676 | .show_info = atp870u_show_info, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1677 | .info = atp870u_info /* info */, |
| 1678 | .queuecommand = atp870u_queuecommand /* queuecommand */, |
| 1679 | .eh_abort_handler = atp870u_abort /* abort */, |
| 1680 | .bios_param = atp870u_biosparam /* biosparm */, |
| 1681 | .can_queue = qcnt /* can_queue */, |
| 1682 | .this_id = 7 /* SCSI ID */, |
| 1683 | .sg_tablesize = ATP870U_SCATTER /*SG_ALL*/ /*SG_NONE*/, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1684 | .use_clustering = ENABLE_CLUSTERING, |
| 1685 | .max_sectors = ATP870U_MAX_SECTORS, |
| 1686 | }; |
| 1687 | |
| 1688 | static struct pci_device_id atp870u_id_table[] = { |
| 1689 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP885_DEVID) }, |
| 1690 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID1) }, |
| 1691 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID2) }, |
| 1692 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7610) }, |
| 1693 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612UW) }, |
| 1694 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612U) }, |
| 1695 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612S) }, |
| 1696 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612D) }, |
| 1697 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612SUW) }, |
| 1698 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_8060) }, |
| 1699 | { 0, }, |
| 1700 | }; |
| 1701 | |
| 1702 | MODULE_DEVICE_TABLE(pci, atp870u_id_table); |
| 1703 | |
| 1704 | static struct pci_driver atp870u_driver = { |
| 1705 | .id_table = atp870u_id_table, |
| 1706 | .name = "atp870u", |
| 1707 | .probe = atp870u_probe, |
Greg Kroah-Hartman | 6f03979 | 2012-12-21 13:08:55 -0800 | [diff] [blame] | 1708 | .remove = atp870u_remove, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1709 | }; |
| 1710 | |
Ondrej Zary | 1ccd7d6 | 2015-11-17 19:24:13 +0100 | [diff] [blame] | 1711 | module_pci_driver(atp870u_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1712 | |
Ondrej Zary | 4192a40 | 2015-11-17 19:24:06 +0100 | [diff] [blame] | 1713 | static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip, unsigned char lvdmode) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1714 | { |
Ondrej Zary | fa50b30 | 2015-11-17 19:24:00 +0100 | [diff] [blame] | 1715 | unsigned char i, j, k, rmb, n; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1716 | unsigned short int m; |
| 1717 | static unsigned char mbuf[512]; |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1718 | static unsigned char satn[9] = { 0, 0, 0, 0, 0, 0, 0, 6, 6 }; |
| 1719 | static unsigned char inqd[9] = { 0x12, 0, 0, 0, 0x24, 0, 0, 0x24, 6 }; |
| 1720 | static unsigned char synn[6] = { 0x80, 1, 3, 1, 0x19, 0x0e }; |
| 1721 | unsigned char synu[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e }; |
| 1722 | static unsigned char synw[6] = { 0x80, 1, 3, 1, 0x19, 0x0e }; |
Ondrej Zary | 460da918 | 2015-11-17 19:24:03 +0100 | [diff] [blame] | 1723 | static unsigned char synw_870[6] = { 0x80, 1, 3, 1, 0x0c, 0x07 }; |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1724 | unsigned char synuw[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e }; |
| 1725 | static unsigned char wide[6] = { 0x80, 1, 2, 3, 1, 0 }; |
| 1726 | static unsigned char u3[9] = { 0x80, 1, 6, 4, 0x09, 00, 0x0e, 0x01, 0x02 }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1727 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1728 | for (i = 0; i < 16; i++) { |
Ondrej Zary | 197fb8d | 2015-11-17 19:24:02 +0100 | [diff] [blame] | 1729 | if (!wide_chip && (i > 7)) |
| 1730 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1731 | m = 1; |
| 1732 | m = m << i; |
| 1733 | if ((m & dev->active_id[c]) != 0) { |
| 1734 | continue; |
| 1735 | } |
| 1736 | if (i == dev->host_id[c]) { |
| 1737 | printk(KERN_INFO " ID: %2d Host Adapter\n", dev->host_id[c]); |
| 1738 | continue; |
| 1739 | } |
Ondrej Zary | 197fb8d | 2015-11-17 19:24:02 +0100 | [diff] [blame] | 1740 | atp_writeb_io(dev, c, 0x1b, wide_chip ? 0x01 : 0x00); |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1741 | atp_writeb_io(dev, c, 1, 0x08); |
| 1742 | atp_writeb_io(dev, c, 2, 0x7f); |
| 1743 | atp_writeb_io(dev, c, 3, satn[0]); |
| 1744 | atp_writeb_io(dev, c, 4, satn[1]); |
| 1745 | atp_writeb_io(dev, c, 5, satn[2]); |
| 1746 | atp_writeb_io(dev, c, 6, satn[3]); |
| 1747 | atp_writeb_io(dev, c, 7, satn[4]); |
| 1748 | atp_writeb_io(dev, c, 8, satn[5]); |
| 1749 | atp_writeb_io(dev, c, 0x0f, 0); |
| 1750 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1751 | atp_writeb_io(dev, c, 0x12, 0); |
| 1752 | atp_writeb_io(dev, c, 0x13, satn[6]); |
| 1753 | atp_writeb_io(dev, c, 0x14, satn[7]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1754 | j = i; |
| 1755 | if ((j & 0x08) != 0) { |
| 1756 | j = (j & 0x07) | 0x40; |
| 1757 | } |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1758 | atp_writeb_io(dev, c, 0x15, j); |
| 1759 | atp_writeb_io(dev, c, 0x18, satn[8]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1760 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1761 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1762 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1763 | |
| 1764 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1765 | continue; |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1766 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1767 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1768 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1769 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1770 | dev->active_id[c] |= m; |
| 1771 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1772 | atp_writeb_io(dev, c, 0x10, 0x30); |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 1773 | if (is885(dev) || is880(dev)) |
Ondrej Zary | 460da918 | 2015-11-17 19:24:03 +0100 | [diff] [blame] | 1774 | atp_writeb_io(dev, c, 0x14, 0x00); |
| 1775 | else /* result of is870() merge - is this a bug? */ |
| 1776 | atp_writeb_io(dev, c, 0x04, 0x00); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1777 | |
| 1778 | phase_cmd: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1779 | atp_writeb_io(dev, c, 0x18, 0x08); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1780 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1781 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1782 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1783 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1784 | j = atp_readb_io(dev, c, 0x17); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1785 | if (j != 0x16) { |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1786 | atp_writeb_io(dev, c, 0x10, 0x41); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1787 | goto phase_cmd; |
| 1788 | } |
| 1789 | sel_ok: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1790 | atp_writeb_io(dev, c, 3, inqd[0]); |
| 1791 | atp_writeb_io(dev, c, 4, inqd[1]); |
| 1792 | atp_writeb_io(dev, c, 5, inqd[2]); |
| 1793 | atp_writeb_io(dev, c, 6, inqd[3]); |
| 1794 | atp_writeb_io(dev, c, 7, inqd[4]); |
| 1795 | atp_writeb_io(dev, c, 8, inqd[5]); |
| 1796 | atp_writeb_io(dev, c, 0x0f, 0); |
| 1797 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); |
| 1798 | atp_writeb_io(dev, c, 0x12, 0); |
| 1799 | atp_writeb_io(dev, c, 0x13, inqd[6]); |
| 1800 | atp_writeb_io(dev, c, 0x14, inqd[7]); |
| 1801 | atp_writeb_io(dev, c, 0x18, inqd[8]); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1802 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1803 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1804 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1805 | |
| 1806 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1807 | continue; |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1808 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1809 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1810 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1811 | |
Ondrej Zary | 197fb8d | 2015-11-17 19:24:02 +0100 | [diff] [blame] | 1812 | if (wide_chip) |
| 1813 | atp_writeb_io(dev, c, 0x1b, 0x00); |
| 1814 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1815 | atp_writeb_io(dev, c, 0x18, 0x08); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1816 | j = 0; |
| 1817 | rd_inq_data: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1818 | k = atp_readb_io(dev, c, 0x1f); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1819 | if ((k & 0x01) != 0) { |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1820 | mbuf[j++] = atp_readb_io(dev, c, 0x19); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1821 | goto rd_inq_data; |
| 1822 | } |
| 1823 | if ((k & 0x80) == 0) { |
| 1824 | goto rd_inq_data; |
| 1825 | } |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1826 | j = atp_readb_io(dev, c, 0x17); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1827 | if (j == 0x16) { |
| 1828 | goto inq_ok; |
| 1829 | } |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1830 | atp_writeb_io(dev, c, 0x10, 0x46); |
| 1831 | atp_writeb_io(dev, c, 0x12, 0); |
| 1832 | atp_writeb_io(dev, c, 0x13, 0); |
| 1833 | atp_writeb_io(dev, c, 0x14, 0); |
| 1834 | atp_writeb_io(dev, c, 0x18, 0x08); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1835 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1836 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1837 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1838 | |
| 1839 | if (atp_readb_io(dev, c, 0x17) != 0x16) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1840 | goto sel_ok; |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1841 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1842 | inq_ok: |
| 1843 | mbuf[36] = 0; |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1844 | printk(KERN_INFO " ID: %2d %s\n", i, &mbuf[8]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1845 | dev->id[c][i].devtype = mbuf[0]; |
| 1846 | rmb = mbuf[1]; |
| 1847 | n = mbuf[7]; |
Ondrej Zary | 197fb8d | 2015-11-17 19:24:02 +0100 | [diff] [blame] | 1848 | if (!wide_chip) |
| 1849 | goto not_wide; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1850 | if ((mbuf[7] & 0x60) == 0) { |
| 1851 | goto not_wide; |
| 1852 | } |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 1853 | if (is885(dev) || is880(dev)) { |
Ondrej Zary | 197fb8d | 2015-11-17 19:24:02 +0100 | [diff] [blame] | 1854 | if ((i < 8) && ((dev->global_map[c] & 0x20) == 0)) |
| 1855 | goto not_wide; |
| 1856 | } else { /* result of is870() merge - is this a bug? */ |
| 1857 | if ((dev->global_map[c] & 0x20) == 0) |
| 1858 | goto not_wide; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1859 | } |
| 1860 | if (lvdmode == 0) { |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1861 | goto chg_wide; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1862 | } |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1863 | if (dev->sp[c][i] != 0x04) // force u2 |
| 1864 | { |
| 1865 | goto chg_wide; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1866 | } |
| 1867 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1868 | atp_writeb_io(dev, c, 0x1b, 0x01); |
| 1869 | atp_writeb_io(dev, c, 3, satn[0]); |
| 1870 | atp_writeb_io(dev, c, 4, satn[1]); |
| 1871 | atp_writeb_io(dev, c, 5, satn[2]); |
| 1872 | atp_writeb_io(dev, c, 6, satn[3]); |
| 1873 | atp_writeb_io(dev, c, 7, satn[4]); |
| 1874 | atp_writeb_io(dev, c, 8, satn[5]); |
| 1875 | atp_writeb_io(dev, c, 0x0f, 0); |
| 1876 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); |
| 1877 | atp_writeb_io(dev, c, 0x12, 0); |
| 1878 | atp_writeb_io(dev, c, 0x13, satn[6]); |
| 1879 | atp_writeb_io(dev, c, 0x14, satn[7]); |
| 1880 | atp_writeb_io(dev, c, 0x18, satn[8]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1881 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1882 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1883 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1884 | |
| 1885 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1886 | continue; |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1887 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1888 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1889 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1890 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1891 | try_u3: |
| 1892 | j = 0; |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1893 | atp_writeb_io(dev, c, 0x14, 0x09); |
| 1894 | atp_writeb_io(dev, c, 0x18, 0x20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1895 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1896 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { |
| 1897 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) |
| 1898 | atp_writeb_io(dev, c, 0x19, u3[j++]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1899 | cpu_relax(); |
| 1900 | } |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1901 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1902 | while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1903 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1904 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1905 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1906 | if (j == 0x0f) { |
| 1907 | goto u3p_in; |
| 1908 | } |
| 1909 | if (j == 0x0a) { |
| 1910 | goto u3p_cmd; |
| 1911 | } |
| 1912 | if (j == 0x0e) { |
| 1913 | goto try_u3; |
| 1914 | } |
| 1915 | continue; |
| 1916 | u3p_out: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1917 | atp_writeb_io(dev, c, 0x18, 0x20); |
| 1918 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { |
| 1919 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) |
| 1920 | atp_writeb_io(dev, c, 0x19, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1921 | cpu_relax(); |
| 1922 | } |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1923 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1924 | if (j == 0x0f) { |
| 1925 | goto u3p_in; |
| 1926 | } |
| 1927 | if (j == 0x0a) { |
| 1928 | goto u3p_cmd; |
| 1929 | } |
| 1930 | if (j == 0x0e) { |
| 1931 | goto u3p_out; |
| 1932 | } |
| 1933 | continue; |
| 1934 | u3p_in: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1935 | atp_writeb_io(dev, c, 0x14, 0x09); |
| 1936 | atp_writeb_io(dev, c, 0x18, 0x20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1937 | k = 0; |
| 1938 | u3p_in1: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1939 | j = atp_readb_io(dev, c, 0x1f); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1940 | if ((j & 0x01) != 0) { |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1941 | mbuf[k++] = atp_readb_io(dev, c, 0x19); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1942 | goto u3p_in1; |
| 1943 | } |
| 1944 | if ((j & 0x80) == 0x00) { |
| 1945 | goto u3p_in1; |
| 1946 | } |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1947 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1948 | if (j == 0x0f) { |
| 1949 | goto u3p_in; |
| 1950 | } |
| 1951 | if (j == 0x0a) { |
| 1952 | goto u3p_cmd; |
| 1953 | } |
| 1954 | if (j == 0x0e) { |
| 1955 | goto u3p_out; |
| 1956 | } |
| 1957 | continue; |
| 1958 | u3p_cmd: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1959 | atp_writeb_io(dev, c, 0x10, 0x30); |
| 1960 | atp_writeb_io(dev, c, 0x14, 0x00); |
| 1961 | atp_writeb_io(dev, c, 0x18, 0x08); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1962 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1963 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 1964 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1965 | j = atp_readb_io(dev, c, 0x17); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1966 | if (j != 0x16) { |
| 1967 | if (j == 0x4e) { |
| 1968 | goto u3p_out; |
| 1969 | } |
| 1970 | continue; |
| 1971 | } |
| 1972 | if (mbuf[0] != 0x01) { |
| 1973 | goto chg_wide; |
| 1974 | } |
| 1975 | if (mbuf[1] != 0x06) { |
| 1976 | goto chg_wide; |
| 1977 | } |
| 1978 | if (mbuf[2] != 0x04) { |
| 1979 | goto chg_wide; |
| 1980 | } |
| 1981 | if (mbuf[3] == 0x09) { |
| 1982 | m = 1; |
| 1983 | m = m << i; |
| 1984 | dev->wide_id[c] |= m; |
| 1985 | dev->id[c][i].devsp = 0xce; |
| 1986 | #ifdef ED_DBGP |
| 1987 | printk("dev->id[%2d][%2d].devsp = %2x\n",c,i,dev->id[c][i].devsp); |
| 1988 | #endif |
| 1989 | continue; |
| 1990 | } |
| 1991 | chg_wide: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 1992 | atp_writeb_io(dev, c, 0x1b, 0x01); |
| 1993 | atp_writeb_io(dev, c, 3, satn[0]); |
| 1994 | atp_writeb_io(dev, c, 4, satn[1]); |
| 1995 | atp_writeb_io(dev, c, 5, satn[2]); |
| 1996 | atp_writeb_io(dev, c, 6, satn[3]); |
| 1997 | atp_writeb_io(dev, c, 7, satn[4]); |
| 1998 | atp_writeb_io(dev, c, 8, satn[5]); |
| 1999 | atp_writeb_io(dev, c, 0x0f, 0); |
| 2000 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); |
| 2001 | atp_writeb_io(dev, c, 0x12, 0); |
| 2002 | atp_writeb_io(dev, c, 0x13, satn[6]); |
| 2003 | atp_writeb_io(dev, c, 0x14, satn[7]); |
| 2004 | atp_writeb_io(dev, c, 0x18, satn[8]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2005 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2006 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2007 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2008 | |
| 2009 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2010 | continue; |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2011 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2012 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2013 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2014 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2015 | try_wide: |
| 2016 | j = 0; |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2017 | atp_writeb_io(dev, c, 0x14, 0x05); |
| 2018 | atp_writeb_io(dev, c, 0x18, 0x20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2019 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2020 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { |
| 2021 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) |
| 2022 | atp_writeb_io(dev, c, 0x19, wide[j++]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2023 | cpu_relax(); |
| 2024 | } |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2025 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2026 | while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2027 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2028 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2029 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2030 | if (j == 0x0f) { |
| 2031 | goto widep_in; |
| 2032 | } |
| 2033 | if (j == 0x0a) { |
| 2034 | goto widep_cmd; |
| 2035 | } |
| 2036 | if (j == 0x0e) { |
| 2037 | goto try_wide; |
| 2038 | } |
| 2039 | continue; |
| 2040 | widep_out: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2041 | atp_writeb_io(dev, c, 0x18, 0x20); |
| 2042 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { |
| 2043 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) |
| 2044 | atp_writeb_io(dev, c, 0x19, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2045 | cpu_relax(); |
| 2046 | } |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2047 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2048 | if (j == 0x0f) { |
| 2049 | goto widep_in; |
| 2050 | } |
| 2051 | if (j == 0x0a) { |
| 2052 | goto widep_cmd; |
| 2053 | } |
| 2054 | if (j == 0x0e) { |
| 2055 | goto widep_out; |
| 2056 | } |
| 2057 | continue; |
| 2058 | widep_in: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2059 | atp_writeb_io(dev, c, 0x14, 0xff); |
| 2060 | atp_writeb_io(dev, c, 0x18, 0x20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2061 | k = 0; |
| 2062 | widep_in1: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2063 | j = atp_readb_io(dev, c, 0x1f); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2064 | if ((j & 0x01) != 0) { |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2065 | mbuf[k++] = atp_readb_io(dev, c, 0x19); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2066 | goto widep_in1; |
| 2067 | } |
| 2068 | if ((j & 0x80) == 0x00) { |
| 2069 | goto widep_in1; |
| 2070 | } |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2071 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2072 | if (j == 0x0f) { |
| 2073 | goto widep_in; |
| 2074 | } |
| 2075 | if (j == 0x0a) { |
| 2076 | goto widep_cmd; |
| 2077 | } |
| 2078 | if (j == 0x0e) { |
| 2079 | goto widep_out; |
| 2080 | } |
| 2081 | continue; |
| 2082 | widep_cmd: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2083 | atp_writeb_io(dev, c, 0x10, 0x30); |
| 2084 | atp_writeb_io(dev, c, 0x14, 0x00); |
| 2085 | atp_writeb_io(dev, c, 0x18, 0x08); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2086 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2087 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2088 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2089 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2090 | j = atp_readb_io(dev, c, 0x17); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2091 | if (j != 0x16) { |
| 2092 | if (j == 0x4e) { |
| 2093 | goto widep_out; |
| 2094 | } |
| 2095 | continue; |
| 2096 | } |
| 2097 | if (mbuf[0] != 0x01) { |
| 2098 | goto not_wide; |
| 2099 | } |
| 2100 | if (mbuf[1] != 0x02) { |
| 2101 | goto not_wide; |
| 2102 | } |
| 2103 | if (mbuf[2] != 0x03) { |
| 2104 | goto not_wide; |
| 2105 | } |
| 2106 | if (mbuf[3] != 0x01) { |
| 2107 | goto not_wide; |
| 2108 | } |
| 2109 | m = 1; |
| 2110 | m = m << i; |
| 2111 | dev->wide_id[c] |= m; |
| 2112 | not_wide: |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2113 | if ((dev->id[c][i].devtype == 0x00) || (dev->id[c][i].devtype == 0x07) || ((dev->id[c][i].devtype == 0x05) && ((n & 0x10) != 0))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2114 | m = 1; |
| 2115 | m = m << i; |
| 2116 | if ((dev->async[c] & m) != 0) { |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2117 | goto set_sync; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2118 | } |
| 2119 | } |
| 2120 | continue; |
| 2121 | set_sync: |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 2122 | if ((!is885(dev) && !is880(dev)) || (dev->sp[c][i] == 0x02)) { |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2123 | synu[4] = 0x0c; |
| 2124 | synuw[4] = 0x0c; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2125 | } else { |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2126 | if (dev->sp[c][i] >= 0x03) { |
| 2127 | synu[4] = 0x0a; |
| 2128 | synuw[4] = 0x0a; |
| 2129 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2130 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2131 | j = 0; |
| 2132 | if ((m & dev->wide_id[c]) != 0) { |
| 2133 | j |= 0x01; |
| 2134 | } |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2135 | atp_writeb_io(dev, c, 0x1b, j); |
| 2136 | atp_writeb_io(dev, c, 3, satn[0]); |
| 2137 | atp_writeb_io(dev, c, 4, satn[1]); |
| 2138 | atp_writeb_io(dev, c, 5, satn[2]); |
| 2139 | atp_writeb_io(dev, c, 6, satn[3]); |
| 2140 | atp_writeb_io(dev, c, 7, satn[4]); |
| 2141 | atp_writeb_io(dev, c, 8, satn[5]); |
| 2142 | atp_writeb_io(dev, c, 0x0f, 0); |
| 2143 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); |
| 2144 | atp_writeb_io(dev, c, 0x12, 0); |
| 2145 | atp_writeb_io(dev, c, 0x13, satn[6]); |
| 2146 | atp_writeb_io(dev, c, 0x14, satn[7]); |
| 2147 | atp_writeb_io(dev, c, 0x18, satn[8]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2148 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2149 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2150 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2151 | |
| 2152 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2153 | continue; |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2154 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2155 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2156 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2157 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2158 | try_sync: |
| 2159 | j = 0; |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2160 | atp_writeb_io(dev, c, 0x14, 0x06); |
| 2161 | atp_writeb_io(dev, c, 0x18, 0x20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2162 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2163 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { |
| 2164 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2165 | if ((m & dev->wide_id[c]) != 0) { |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 2166 | if (is885(dev) || is880(dev)) { |
Ondrej Zary | 460da918 | 2015-11-17 19:24:03 +0100 | [diff] [blame] | 2167 | if ((m & dev->ultra_map[c]) != 0) { |
| 2168 | atp_writeb_io(dev, c, 0x19, synuw[j++]); |
| 2169 | } else { |
| 2170 | atp_writeb_io(dev, c, 0x19, synw[j++]); |
| 2171 | } |
| 2172 | } else |
| 2173 | atp_writeb_io(dev, c, 0x19, synw_870[j++]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2174 | } else { |
| 2175 | if ((m & dev->ultra_map[c]) != 0) { |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2176 | atp_writeb_io(dev, c, 0x19, synu[j++]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2177 | } else { |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2178 | atp_writeb_io(dev, c, 0x19, synn[j++]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2179 | } |
| 2180 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2181 | } |
| 2182 | } |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2183 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2184 | while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2185 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2186 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2187 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2188 | if (j == 0x0f) { |
| 2189 | goto phase_ins; |
| 2190 | } |
| 2191 | if (j == 0x0a) { |
| 2192 | goto phase_cmds; |
| 2193 | } |
| 2194 | if (j == 0x0e) { |
| 2195 | goto try_sync; |
| 2196 | } |
| 2197 | continue; |
| 2198 | phase_outs: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2199 | atp_writeb_io(dev, c, 0x18, 0x20); |
| 2200 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) { |
| 2201 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0x00) |
| 2202 | atp_writeb_io(dev, c, 0x19, 0x00); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2203 | cpu_relax(); |
| 2204 | } |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2205 | j = atp_readb_io(dev, c, 0x17); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2206 | if (j == 0x85) { |
| 2207 | goto tar_dcons; |
| 2208 | } |
| 2209 | j &= 0x0f; |
| 2210 | if (j == 0x0f) { |
| 2211 | goto phase_ins; |
| 2212 | } |
| 2213 | if (j == 0x0a) { |
| 2214 | goto phase_cmds; |
| 2215 | } |
| 2216 | if (j == 0x0e) { |
| 2217 | goto phase_outs; |
| 2218 | } |
| 2219 | continue; |
| 2220 | phase_ins: |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 2221 | if (is885(dev) || is880(dev)) |
Ondrej Zary | 460da918 | 2015-11-17 19:24:03 +0100 | [diff] [blame] | 2222 | atp_writeb_io(dev, c, 0x14, 0x06); |
| 2223 | else |
| 2224 | atp_writeb_io(dev, c, 0x14, 0xff); |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2225 | atp_writeb_io(dev, c, 0x18, 0x20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2226 | k = 0; |
| 2227 | phase_ins1: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2228 | j = atp_readb_io(dev, c, 0x1f); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2229 | if ((j & 0x01) != 0x00) { |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2230 | mbuf[k++] = atp_readb_io(dev, c, 0x19); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2231 | goto phase_ins1; |
| 2232 | } |
| 2233 | if ((j & 0x80) == 0x00) { |
| 2234 | goto phase_ins1; |
| 2235 | } |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2236 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2237 | while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2238 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2239 | j = atp_readb_io(dev, c, 0x17); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2240 | if (j == 0x85) { |
| 2241 | goto tar_dcons; |
| 2242 | } |
| 2243 | j &= 0x0f; |
| 2244 | if (j == 0x0f) { |
| 2245 | goto phase_ins; |
| 2246 | } |
| 2247 | if (j == 0x0a) { |
| 2248 | goto phase_cmds; |
| 2249 | } |
| 2250 | if (j == 0x0e) { |
| 2251 | goto phase_outs; |
| 2252 | } |
| 2253 | continue; |
| 2254 | phase_cmds: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2255 | atp_writeb_io(dev, c, 0x10, 0x30); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2256 | tar_dcons: |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2257 | atp_writeb_io(dev, c, 0x14, 0x00); |
| 2258 | atp_writeb_io(dev, c, 0x18, 0x08); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2259 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2260 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2261 | cpu_relax(); |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2262 | |
Ondrej Zary | 5d2a5a4 | 2015-11-17 19:23:57 +0100 | [diff] [blame] | 2263 | j = atp_readb_io(dev, c, 0x17); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2264 | if (j != 0x16) { |
| 2265 | continue; |
| 2266 | } |
| 2267 | if (mbuf[0] != 0x01) { |
| 2268 | continue; |
| 2269 | } |
| 2270 | if (mbuf[1] != 0x03) { |
| 2271 | continue; |
| 2272 | } |
| 2273 | if (mbuf[4] == 0x00) { |
| 2274 | continue; |
| 2275 | } |
| 2276 | if (mbuf[3] > 0x64) { |
| 2277 | continue; |
| 2278 | } |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 2279 | if (is885(dev) || is880(dev)) { |
Ondrej Zary | 460da918 | 2015-11-17 19:24:03 +0100 | [diff] [blame] | 2280 | if (mbuf[4] > 0x0e) { |
| 2281 | mbuf[4] = 0x0e; |
| 2282 | } |
| 2283 | } else { |
| 2284 | if (mbuf[4] > 0x0c) { |
| 2285 | mbuf[4] = 0x0c; |
| 2286 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2287 | } |
| 2288 | dev->id[c][i].devsp = mbuf[4]; |
Ondrej Zary | b922a44 | 2015-11-17 19:24:21 +0100 | [diff] [blame] | 2289 | if (is885(dev) || is880(dev)) |
Ondrej Zary | 460da918 | 2015-11-17 19:24:03 +0100 | [diff] [blame] | 2290 | if (mbuf[3] < 0x0c) { |
| 2291 | j = 0xb0; |
| 2292 | goto set_syn_ok; |
| 2293 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2294 | if ((mbuf[3] < 0x0d) && (rmb == 0)) { |
| 2295 | j = 0xa0; |
| 2296 | goto set_syn_ok; |
| 2297 | } |
| 2298 | if (mbuf[3] < 0x1a) { |
| 2299 | j = 0x20; |
| 2300 | goto set_syn_ok; |
| 2301 | } |
| 2302 | if (mbuf[3] < 0x33) { |
| 2303 | j = 0x40; |
| 2304 | goto set_syn_ok; |
| 2305 | } |
| 2306 | if (mbuf[3] < 0x4c) { |
| 2307 | j = 0x50; |
| 2308 | goto set_syn_ok; |
| 2309 | } |
| 2310 | j = 0x60; |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2311 | set_syn_ok: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2312 | dev->id[c][i].devsp = (dev->id[c][i].devsp & 0x0f) | j; |
Ondrej Zary | 80b52a7 | 2015-11-17 19:23:58 +0100 | [diff] [blame] | 2313 | #ifdef ED_DBGP |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2314 | printk("dev->id[%2d][%2d].devsp = %2x\n",c,i,dev->id[c][i].devsp); |
| 2315 | #endif |
| 2316 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2317 | } |