| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Alan Cox | 5923 | 36.56% | 4 | 3.10% |
| Ondrej Zary | 5177 | 31.95% | 40 | 31.01% |
| Linus Torvalds (pre-git) | 3646 | 22.50% | 40 | 31.01% |
| Linus Torvalds | 642 | 3.96% | 5 | 3.88% |
| James Bottomley | 472 | 2.91% | 4 | 3.10% |
| Christoph Hellwig | 81 | 0.50% | 4 | 3.10% |
| Jeff Garzik | 53 | 0.33% | 3 | 2.33% |
| Randy Dunlap | 47 | 0.29% | 1 | 0.78% |
| Hannes Reinecke | 46 | 0.28% | 2 | 1.55% |
| Boaz Harrosh | 33 | 0.20% | 1 | 0.78% |
| Al Viro | 19 | 0.12% | 3 | 2.33% |
| Andrew Morton | 13 | 0.08% | 2 | 1.55% |
| Jia-Ju Bai | 8 | 0.05% | 1 | 0.78% |
| Martin Michlmayr | 7 | 0.04% | 1 | 0.78% |
| Bart Van Assche | 6 | 0.04% | 2 | 1.55% |
| Arnaldo Carvalho de Melo | 6 | 0.04% | 1 | 0.78% |
| Luben Tuikov | 4 | 0.02% | 2 | 1.55% |
| David S. Miller | 3 | 0.02% | 1 | 0.78% |
| Tobias Klauser | 3 | 0.02% | 1 | 0.78% |
| Adrian Bunk | 2 | 0.01% | 2 | 1.55% |
| Rasmus Villemoes | 2 | 0.01% | 2 | 1.55% |
| Dan Carpenter | 2 | 0.01% | 1 | 0.78% |
| Doug Ledford | 2 | 0.01% | 1 | 0.78% |
| Harvey Harrison | 1 | 0.01% | 1 | 0.78% |
| Lee Jones | 1 | 0.01% | 1 | 0.78% |
| Lucas De Marchi | 1 | 0.01% | 1 | 0.78% |
| Thomas Gleixner | 1 | 0.01% | 1 | 0.78% |
| Arjan van de Ven | 1 | 0.01% | 1 | 0.78% |
| Total | 16202 | 129 |
// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 1997 Wu Ching Chen * 2.1.x update (C) 1998 Krzysztof G. Baranowski * 2.5.x update (C) 2002 Red Hat * 2.6.x update (C) 2004 Red Hat * * Marcelo Tosatti <marcelo@conectiva.com.br> : SMP fixes * * Wu Ching Chen : NULL pointer fixes 2000/06/02 * support atp876 chip * enable 32 bit fifo transfer * support cdrom & remove device run ultra speed * fix disconnect bug 2000/12/21 * support atp880 chip lvd u160 2001/05/15 * fix prd table bug 2001/09/12 (7.1) * * atp885 support add by ACARD Hao Ping Lian 2005/01/05 */ #include <linux/module.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/string.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/proc_fs.h> #include <linux/spinlock.h> #include <linux/pci.h> #include <linux/blkdev.h> #include <linux/dma-mapping.h> #include <linux/slab.h> #include <asm/io.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> #include <scsi/scsi_host.h> #include "atp870u.h" static struct scsi_host_template atp870u_template; static void send_s870(struct atp_unit *dev,unsigned char c); static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip, unsigned char lvdmode); static inline void atp_writeb_base(struct atp_unit *atp, u8 reg, u8 val) { outb(val, atp->baseport + reg); } static inline void atp_writew_base(struct atp_unit *atp, u8 reg, u16 val) { outw(val, atp->baseport + reg); } static inline void atp_writeb_io(struct atp_unit *atp, u8 channel, u8 reg, u8 val) { outb(val, atp->ioport[channel] + reg); } static inline void atp_writew_io(struct atp_unit *atp, u8 channel, u8 reg, u16 val) { outw(val, atp->ioport[channel] + reg); } static inline void atp_writeb_pci(struct atp_unit *atp, u8 channel, u8 reg, u8 val) { outb(val, atp->pciport[channel] + reg); } static inline void atp_writel_pci(struct atp_unit *atp, u8 channel, u8 reg, u32 val) { outl(val, atp->pciport[channel] + reg); } static inline u8 atp_readb_base(struct atp_unit *atp, u8 reg) { return inb(atp->baseport + reg); } static inline u16 atp_readw_base(struct atp_unit *atp, u8 reg) { return inw(atp->baseport + reg); } static inline u32 atp_readl_base(struct atp_unit *atp, u8 reg) { return inl(atp->baseport + reg); } static inline u8 atp_readb_io(struct atp_unit *atp, u8 channel, u8 reg) { return inb(atp->ioport[channel] + reg); } static inline u16 atp_readw_io(struct atp_unit *atp, u8 channel, u8 reg) { return inw(atp->ioport[channel] + reg); } static inline u8 atp_readb_pci(struct atp_unit *atp, u8 channel, u8 reg) { return inb(atp->pciport[channel] + reg); } static inline bool is880(struct atp_unit *atp) { return atp->pdev->device == ATP880_DEVID1 || atp->pdev->device == ATP880_DEVID2; } static inline bool is885(struct atp_unit *atp) { return atp->pdev->device == ATP885_DEVID; } static irqreturn_t atp870u_intr_handle(int irq, void *dev_id) { unsigned long flags; unsigned short int id; unsigned char i, j, c, target_id, lun,cmdp; unsigned char *prd; struct scsi_cmnd *workreq; unsigned long adrcnt, k; #ifdef ED_DBGP unsigned long l; #endif struct Scsi_Host *host = dev_id; struct atp_unit *dev = (struct atp_unit *)&host->hostdata; for (c = 0; c < 2; c++) { j = atp_readb_io(dev, c, 0x1f); if ((j & 0x80) != 0) break; dev->in_int[c] = 0; } if ((j & 0x80) == 0) return IRQ_NONE; #ifdef ED_DBGP printk("atp870u_intr_handle enter\n"); #endif dev->in_int[c] = 1; cmdp = atp_readb_io(dev, c, 0x10); if (dev->working[c] != 0) { if (is885(dev)) { if ((atp_readb_io(dev, c, 0x16) & 0x80) == 0) atp_writeb_io(dev, c, 0x16, (atp_readb_io(dev, c, 0x16) | 0x80)); } if ((atp_readb_pci(dev, c, 0x00) & 0x08) != 0) { for (k=0; k < 1000; k++) { if ((atp_readb_pci(dev, c, 2) & 0x08) == 0) break; if ((atp_readb_pci(dev, c, 2) & 0x01) == 0) break; } } atp_writeb_pci(dev, c, 0, 0x00); i = atp_readb_io(dev, c, 0x17); if (is885(dev)) atp_writeb_pci(dev, c, 2, 0x06); target_id = atp_readb_io(dev, c, 0x15); /* * Remap wide devices onto id numbers */ if ((target_id & 0x40) != 0) { target_id = (target_id & 0x07) | 0x08; } else { target_id &= 0x07; } if ((j & 0x40) != 0) { if (dev->last_cmd[c] == 0xff) { dev->last_cmd[c] = target_id; } dev->last_cmd[c] |= 0x40; } if (is885(dev)) dev->r1f[c][target_id] |= j; #ifdef ED_DBGP printk("atp870u_intr_handle status = %x\n",i); #endif if (i == 0x85) { if ((dev->last_cmd[c] & 0xf0) != 0x40) { dev->last_cmd[c] = 0xff; } if (is885(dev)) { adrcnt = 0; ((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12); ((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13); ((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14); if (dev->id[c][target_id].last_len != adrcnt) { k = dev->id[c][target_id].last_len; k -= adrcnt; dev->id[c][target_id].tran_len = k; dev->id[c][target_id].last_len = adrcnt; } #ifdef ED_DBGP 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); #endif } /* * Flip wide */ if (dev->wide_id[c] != 0) { atp_writeb_io(dev, c, 0x1b, 0x01); while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01) atp_writeb_io(dev, c, 0x1b, 0x01); } /* * Issue more commands */ spin_lock_irqsave(dev->host->host_lock, flags); if (((dev->quhd[c] != dev->quend[c]) || (dev->last_cmd[c] != 0xff)) && (dev->in_snd[c] == 0)) { #ifdef ED_DBGP printk("Call sent_s870\n"); #endif send_s870(dev,c); } spin_unlock_irqrestore(dev->host->host_lock, flags); /* * Done */ dev->in_int[c] = 0; #ifdef ED_DBGP printk("Status 0x85 return\n"); #endif return IRQ_HANDLED; } if (i == 0x40) { dev->last_cmd[c] |= 0x40; dev->in_int[c] = 0; return IRQ_HANDLED; } if (i == 0x21) { if ((dev->last_cmd[c] & 0xf0) != 0x40) { dev->last_cmd[c] = 0xff; } adrcnt = 0; ((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12); ((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13); ((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14); k = dev->id[c][target_id].last_len; k -= adrcnt; dev->id[c][target_id].tran_len = k; dev->id[c][target_id].last_len = adrcnt; atp_writeb_io(dev, c, 0x10, 0x41); atp_writeb_io(dev, c, 0x18, 0x08); dev->in_int[c] = 0; return IRQ_HANDLED; } if (is885(dev)) { if ((i == 0x4c) || (i == 0x4d) || (i == 0x8c) || (i == 0x8d)) { if ((i == 0x4c) || (i == 0x8c)) i=0x48; else i=0x49; } } if ((i == 0x80) || (i == 0x8f)) { #ifdef ED_DBGP printk(KERN_DEBUG "Device reselect\n"); #endif lun = 0; if (cmdp == 0x44 || i == 0x80) lun = atp_readb_io(dev, c, 0x1d) & 0x07; else { if ((dev->last_cmd[c] & 0xf0) != 0x40) { dev->last_cmd[c] = 0xff; } if (cmdp == 0x41) { #ifdef ED_DBGP printk("cmdp = 0x41\n"); #endif adrcnt = 0; ((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12); ((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13); ((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14); k = dev->id[c][target_id].last_len; k -= adrcnt; dev->id[c][target_id].tran_len = k; dev->id[c][target_id].last_len = adrcnt; atp_writeb_io(dev, c, 0x18, 0x08); dev->in_int[c] = 0; return IRQ_HANDLED; } else { #ifdef ED_DBGP printk("cmdp != 0x41\n"); #endif atp_writeb_io(dev, c, 0x10, 0x46); dev->id[c][target_id].dirct = 0x00; atp_writeb_io(dev, c, 0x12, 0x00); atp_writeb_io(dev, c, 0x13, 0x00); atp_writeb_io(dev, c, 0x14, 0x00); atp_writeb_io(dev, c, 0x18, 0x08); dev->in_int[c] = 0; return IRQ_HANDLED; } } if (dev->last_cmd[c] != 0xff) { dev->last_cmd[c] |= 0x40; } if (is885(dev)) { j = atp_readb_base(dev, 0x29) & 0xfe; atp_writeb_base(dev, 0x29, j); } else atp_writeb_io(dev, c, 0x10, 0x45); target_id = atp_readb_io(dev, c, 0x16); /* * Remap wide identifiers */ if ((target_id & 0x10) != 0) { target_id = (target_id & 0x07) | 0x08; } else { target_id &= 0x07; } if (is885(dev)) atp_writeb_io(dev, c, 0x10, 0x45); workreq = dev->id[c][target_id].curr_req; #ifdef ED_DBGP scmd_printk(KERN_DEBUG, workreq, "CDB"); for (l = 0; l < workreq->cmd_len; l++) printk(KERN_DEBUG " %x",workreq->cmnd[l]); printk("\n"); #endif atp_writeb_io(dev, c, 0x0f, lun); atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp); adrcnt = dev->id[c][target_id].tran_len; k = dev->id[c][target_id].last_len; atp_writeb_io(dev, c, 0x12, ((unsigned char *) &k)[2]); atp_writeb_io(dev, c, 0x13, ((unsigned char *) &k)[1]); atp_writeb_io(dev, c, 0x14, ((unsigned char *) &k)[0]); #ifdef ED_DBGP 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)); #endif /* Remap wide */ j = target_id; if (target_id > 7) { j = (j & 0x07) | 0x40; } /* Add direction */ j |= dev->id[c][target_id].dirct; atp_writeb_io(dev, c, 0x15, j); atp_writeb_io(dev, c, 0x16, 0x80); /* enable 32 bit fifo transfer */ if (is885(dev)) { i = atp_readb_pci(dev, c, 1) & 0xf3; //j=workreq->cmnd[0]; if ((workreq->cmnd[0] == READ_6) || (workreq->cmnd[0] == READ_10) || (workreq->cmnd[0] == WRITE_6) || (workreq->cmnd[0] == WRITE_10)) { i |= 0x0c; } atp_writeb_pci(dev, c, 1, i); } else if (is880(dev)) { if ((workreq->cmnd[0] == READ_6) || (workreq->cmnd[0] == READ_10) || (workreq->cmnd[0] == WRITE_6) || (workreq->cmnd[0] == WRITE_10)) atp_writeb_base(dev, 0x3b, (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0); else atp_writeb_base(dev, 0x3b, atp_readb_base(dev, 0x3b) & 0x3f); } else { if ((workreq->cmnd[0] == READ_6) || (workreq->cmnd[0] == READ_10) || (workreq->cmnd[0] == WRITE_6) || (workreq->cmnd[0] == WRITE_10)) atp_writeb_base(dev, 0x3a, (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08); else atp_writeb_base(dev, 0x3a, atp_readb_base(dev, 0x3a) & 0xf3); } j = 0; id = 1; id = id << target_id; /* * Is this a wide device */ if ((id & dev->wide_id[c]) != 0) { j |= 0x01; } atp_writeb_io(dev, c, 0x1b, j); while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j) atp_writeb_io(dev, c, 0x1b, j); if (dev->id[c][target_id].last_len == 0) { atp_writeb_io(dev, c, 0x18, 0x08); dev->in_int[c] = 0; #ifdef ED_DBGP printk("dev->id[c][target_id].last_len = 0\n"); #endif return IRQ_HANDLED; } #ifdef ED_DBGP printk("target_id = %d adrcnt = %d\n",target_id,adrcnt); #endif prd = dev->id[c][target_id].prd_pos; while (adrcnt != 0) { id = ((unsigned short int *)prd)[2]; if (id == 0) { k = 0x10000; } else { k = id; } if (k > adrcnt) { ((unsigned short int *)prd)[2] = (unsigned short int)(k - adrcnt); ((unsigned long *)prd)[0] += adrcnt; adrcnt = 0; dev->id[c][target_id].prd_pos = prd; } else { adrcnt -= k; dev->id[c][target_id].prdaddr += 0x08; prd += 0x08; if (adrcnt == 0) { dev->id[c][target_id].prd_pos = prd; } } } atp_writel_pci(dev, c, 0x04, dev->id[c][target_id].prdaddr); #ifdef ED_DBGP printk("dev->id[%d][%d].prdaddr 0x%8x\n", c, target_id, dev->id[c][target_id].prdaddr); #endif if (!is885(dev)) { atp_writeb_pci(dev, c, 2, 0x06); atp_writeb_pci(dev, c, 2, 0x00); } /* * Check transfer direction */ if (dev->id[c][target_id].dirct != 0) { atp_writeb_io(dev, c, 0x18, 0x08); atp_writeb_pci(dev, c, 0, 0x01); dev->in_int[c] = 0; #ifdef ED_DBGP printk("status 0x80 return dirct != 0\n"); #endif return IRQ_HANDLED; } atp_writeb_io(dev, c, 0x18, 0x08); atp_writeb_pci(dev, c, 0, 0x09); dev->in_int[c] = 0; #ifdef ED_DBGP printk("status 0x80 return dirct = 0\n"); #endif return IRQ_HANDLED; } /* * Current scsi request on this target */ workreq = dev->id[c][target_id].curr_req; if (i == 0x42 || i == 0x16) { if ((dev->last_cmd[c] & 0xf0) != 0x40) { dev->last_cmd[c] = 0xff; } if (i == 0x16) { workreq->result = atp_readb_io(dev, c, 0x0f); if (((dev->r1f[c][target_id] & 0x10) != 0) && is885(dev)) { printk(KERN_WARNING "AEC67162 CRC ERROR !\n"); workreq->result = SAM_STAT_CHECK_CONDITION; } } else workreq->result = SAM_STAT_CHECK_CONDITION; if (is885(dev)) { j = atp_readb_base(dev, 0x29) | 0x01; atp_writeb_base(dev, 0x29, j); } /* * Complete the command */ scsi_dma_unmap(workreq); spin_lock_irqsave(dev->host->host_lock, flags); scsi_done(workreq); #ifdef ED_DBGP printk("workreq->scsi_done\n"); #endif /* * Clear it off the queue */ dev->id[c][target_id].curr_req = NULL; dev->working[c]--; spin_unlock_irqrestore(dev->host->host_lock, flags); /* * Take it back wide */ if (dev->wide_id[c] != 0) { atp_writeb_io(dev, c, 0x1b, 0x01); while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01) atp_writeb_io(dev, c, 0x1b, 0x01); } /* * If there is stuff to send and nothing going then send it */ spin_lock_irqsave(dev->host->host_lock, flags); if (((dev->last_cmd[c] != 0xff) || (dev->quhd[c] != dev->quend[c])) && (dev->in_snd[c] == 0)) { #ifdef ED_DBGP printk("Call sent_s870(scsi_done)\n"); #endif send_s870(dev,c); } spin_unlock_irqrestore(dev->host->host_lock, flags); dev->in_int[c] = 0; return IRQ_HANDLED; } if ((dev->last_cmd[c] & 0xf0) != 0x40) { dev->last_cmd[c] = 0xff; } if (i == 0x4f) { i = 0x89; } i &= 0x0f; if (i == 0x09) { atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr); atp_writeb_pci(dev, c, 2, 0x06); atp_writeb_pci(dev, c, 2, 0x00); atp_writeb_io(dev, c, 0x10, 0x41); if (is885(dev)) { k = dev->id[c][target_id].last_len; atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&k))[2]); atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&k))[1]); atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&k))[0]); dev->id[c][target_id].dirct = 0x00; } else { dev->id[c][target_id].dirct = 0x00; } atp_writeb_io(dev, c, 0x18, 0x08); atp_writeb_pci(dev, c, 0, 0x09); dev->in_int[c] = 0; return IRQ_HANDLED; } if (i == 0x08) { atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr); atp_writeb_pci(dev, c, 2, 0x06); atp_writeb_pci(dev, c, 2, 0x00); atp_writeb_io(dev, c, 0x10, 0x41); if (is885(dev)) { k = dev->id[c][target_id].last_len; atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&k))[2]); atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&k))[1]); atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&k))[0]); } atp_writeb_io(dev, c, 0x15, atp_readb_io(dev, c, 0x15) | 0x20); dev->id[c][target_id].dirct = 0x20; atp_writeb_io(dev, c, 0x18, 0x08); atp_writeb_pci(dev, c, 0, 0x01); dev->in_int[c] = 0; return IRQ_HANDLED; } if (i == 0x0a) atp_writeb_io(dev, c, 0x10, 0x30); else atp_writeb_io(dev, c, 0x10, 0x46); dev->id[c][target_id].dirct = 0x00; atp_writeb_io(dev, c, 0x12, 0x00); atp_writeb_io(dev, c, 0x13, 0x00); atp_writeb_io(dev, c, 0x14, 0x00); atp_writeb_io(dev, c, 0x18, 0x08); } dev->in_int[c] = 0; return IRQ_HANDLED; } /** * atp870u_queuecommand_lck - Queue SCSI command * @req_p: request block * * Queue a command to the ATP queue. Called with the host lock held. */ static int atp870u_queuecommand_lck(struct scsi_cmnd *req_p) { void (*done)(struct scsi_cmnd *) = scsi_done; unsigned char c; unsigned int m; struct atp_unit *dev; struct Scsi_Host *host; c = scmd_channel(req_p); req_p->sense_buffer[0]=0; scsi_set_resid(req_p, 0); if (scmd_channel(req_p) > 1) { req_p->result = DID_BAD_TARGET << 16; done(req_p); #ifdef ED_DBGP printk("atp870u_queuecommand : req_p->device->channel > 1\n"); #endif return 0; } host = req_p->device->host; dev = (struct atp_unit *)&host->hostdata; m = 1; m = m << scmd_id(req_p); /* * Fake a timeout for missing targets */ if ((m & dev->active_id[c]) == 0) { req_p->result = DID_BAD_TARGET << 16; done(req_p); return 0; } /* * Count new command */ dev->quend[c]++; if (dev->quend[c] >= qcnt) { dev->quend[c] = 0; } /* * Check queue state */ if (dev->quhd[c] == dev->quend[c]) { if (dev->quend[c] == 0) { dev->quend[c] = qcnt; } #ifdef ED_DBGP printk("atp870u_queuecommand : dev->quhd[c] == dev->quend[c]\n"); #endif dev->quend[c]--; req_p->result = DID_BUS_BUSY << 16; done(req_p); return 0; } dev->quereq[c][dev->quend[c]] = req_p; #ifdef ED_DBGP 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]); #endif if ((atp_readb_io(dev, c, 0x1c) == 0) && (dev->in_int[c] == 0) && (dev->in_snd[c] == 0)) { #ifdef ED_DBGP printk("Call sent_s870(atp870u_queuecommand)\n"); #endif send_s870(dev,c); } #ifdef ED_DBGP printk("atp870u_queuecommand : exit\n"); #endif return 0; } static DEF_SCSI_QCMD(atp870u_queuecommand) /* * send_s870 - send a command to the controller * * On entry there is work queued to be done. We move some of that work to the * controller itself. * * Caller holds the host lock. */ static void send_s870(struct atp_unit *dev, unsigned char c) { struct scsi_cmnd *workreq = NULL; unsigned int i;//,k; unsigned char j, target_id; unsigned char *prd; unsigned short int w; unsigned long l, bttl = 0; unsigned long sg_count; if (dev->in_snd[c] != 0) { #ifdef ED_DBGP printk("cmnd in_snd\n"); #endif return; } #ifdef ED_DBGP printk("Sent_s870 enter\n"); #endif dev->in_snd[c] = 1; if ((dev->last_cmd[c] != 0xff) && ((dev->last_cmd[c] & 0x40) != 0)) { dev->last_cmd[c] &= 0x0f; workreq = dev->id[c][dev->last_cmd[c]].curr_req; if (!workreq) { dev->last_cmd[c] = 0xff; if (dev->quhd[c] == dev->quend[c]) { dev->in_snd[c] = 0; return; } } } if (!workreq) { if ((dev->last_cmd[c] != 0xff) && (dev->working[c] != 0)) { dev->in_snd[c] = 0; return; } dev->working[c]++; j = dev->quhd[c]; dev->quhd[c]++; if (dev->quhd[c] >= qcnt) dev->quhd[c] = 0; workreq = dev->quereq[c][dev->quhd[c]]; if (dev->id[c][scmd_id(workreq)].curr_req != NULL) { dev->quhd[c] = j; dev->working[c]--; dev->in_snd[c] = 0; return; } dev->id[c][scmd_id(workreq)].curr_req = workreq; dev->last_cmd[c] = scmd_id(workreq); } if ((atp_readb_io(dev, c, 0x1f) & 0xb0) != 0 || atp_readb_io(dev, c, 0x1c) != 0) { #ifdef ED_DBGP printk("Abort to Send\n"); #endif dev->last_cmd[c] |= 0x40; dev->in_snd[c] = 0; return; } #ifdef ED_DBGP printk("OK to Send\n"); scmd_printk(KERN_DEBUG, workreq, "CDB"); for(i=0;i<workreq->cmd_len;i++) { printk(" %x",workreq->cmnd[i]); } printk("\n"); #endif l = scsi_bufflen(workreq); if (is885(dev)) { j = atp_readb_base(dev, 0x29) & 0xfe; atp_writeb_base(dev, 0x29, j); dev->r1f[c][scmd_id(workreq)] = 0; } if (workreq->cmnd[0] == READ_CAPACITY) { if (l > 8) l = 8; } if (workreq->cmnd[0] == TEST_UNIT_READY) { l = 0; } j = 0; target_id = scmd_id(workreq); /* * Wide ? */ w = 1; w = w << target_id; if ((w & dev->wide_id[c]) != 0) { j |= 0x01; } atp_writeb_io(dev, c, 0x1b, j); while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j) { atp_writeb_pci(dev, c, 0x1b, j); #ifdef ED_DBGP printk("send_s870 while loop 1\n"); #endif } /* * Write the command */ atp_writeb_io(dev, c, 0x00, workreq->cmd_len); atp_writeb_io(dev, c, 0x01, 0x2c); if (is885(dev)) atp_writeb_io(dev, c, 0x02, 0x7f); else atp_writeb_io(dev, c, 0x02, 0xcf); for (i = 0; i < workreq->cmd_len; i++) atp_writeb_io(dev, c, 0x03 + i, workreq->cmnd[i]); atp_writeb_io(dev, c, 0x0f, workreq->device->lun); /* * Write the target */ atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp); #ifdef ED_DBGP printk("dev->id[%d][%d].devsp = %2x\n",c,target_id, dev->id[c][target_id].devsp); #endif sg_count = scsi_dma_map(workreq); /* * Write transfer size */ atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&l))[2]); atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&l))[1]); atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&l))[0]); j = target_id; dev->id[c][j].last_len = l; dev->id[c][j].tran_len = 0; #ifdef ED_DBGP printk("dev->id[%2d][%2d].last_len = %d\n",c,j,dev->id[c][j].last_len); #endif /* * Flip the wide bits */ if ((j & 0x08) != 0) { j = (j & 0x07) | 0x40; } /* * Check transfer direction */ if (workreq->sc_data_direction == DMA_TO_DEVICE) atp_writeb_io(dev, c, 0x15, j | 0x20); else atp_writeb_io(dev, c, 0x15, j); atp_writeb_io(dev, c, 0x16, atp_readb_io(dev, c, 0x16) | 0x80); atp_writeb_io(dev, c, 0x16, 0x80); dev->id[c][target_id].dirct = 0; if (l == 0) { if (atp_readb_io(dev, c, 0x1c) == 0) { #ifdef ED_DBGP printk("change SCSI_CMD_REG 0x08\n"); #endif atp_writeb_io(dev, c, 0x18, 0x08); } else dev->last_cmd[c] |= 0x40; dev->in_snd[c] = 0; return; } prd = dev->id[c][target_id].prd_table; dev->id[c][target_id].prd_pos = prd; /* * Now write the request list. Either as scatter/gather or as * a linear chain. */ if (l) { struct scatterlist *sgpnt; i = 0; scsi_for_each_sg(workreq, sgpnt, sg_count, j) { bttl = sg_dma_address(sgpnt); l=sg_dma_len(sgpnt); #ifdef ED_DBGP printk("1. bttl %x, l %x\n",bttl, l); #endif while (l > 0x10000) { (((u16 *) (prd))[i + 3]) = 0x0000; (((u16 *) (prd))[i + 2]) = 0x0000; (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl); l -= 0x10000; bttl += 0x10000; i += 0x04; } (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl); (((u16 *) (prd))[i + 2]) = cpu_to_le16(l); (((u16 *) (prd))[i + 3]) = 0; i += 0x04; } (((u16 *) (prd))[i - 1]) = cpu_to_le16(0x8000); #ifdef ED_DBGP 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])); printk("2. bttl %x, l %x\n",bttl, l); #endif } #ifdef ED_DBGP printk("send_s870: prdaddr_2 0x%8x target_id %d\n", dev->id[c][target_id].prdaddr,target_id); #endif dev->id[c][target_id].prdaddr = dev->id[c][target_id].prd_bus; atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr); atp_writeb_pci(dev, c, 2, 0x06); atp_writeb_pci(dev, c, 2, 0x00); if (is885(dev)) { j = atp_readb_pci(dev, c, 1) & 0xf3; if ((workreq->cmnd[0] == READ_6) || (workreq->cmnd[0] == READ_10) || (workreq->cmnd[0] == WRITE_6) || (workreq->cmnd[0] == WRITE_10)) { j |= 0x0c; } atp_writeb_pci(dev, c, 1, j); } else if (is880(dev)) { if ((workreq->cmnd[0] == READ_6) || (workreq->cmnd[0] == READ_10) || (workreq->cmnd[0] == WRITE_6) || (workreq->cmnd[0] == WRITE_10)) atp_writeb_base(dev, 0x3b, (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0); else atp_writeb_base(dev, 0x3b, atp_readb_base(dev, 0x3b) & 0x3f); } else { if ((workreq->cmnd[0] == READ_6) || (workreq->cmnd[0] == READ_10) || (workreq->cmnd[0] == WRITE_6) || (workreq->cmnd[0] == WRITE_10)) atp_writeb_base(dev, 0x3a, (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08); else atp_writeb_base(dev, 0x3a, atp_readb_base(dev, 0x3a) & 0xf3); } if(workreq->sc_data_direction == DMA_TO_DEVICE) { dev->id[c][target_id].dirct = 0x20; if (atp_readb_io(dev, c, 0x1c) == 0) { atp_writeb_io(dev, c, 0x18, 0x08); atp_writeb_pci(dev, c, 0, 0x01); #ifdef ED_DBGP printk( "start DMA(to target)\n"); #endif } else { dev->last_cmd[c] |= 0x40; } dev->in_snd[c] = 0; return; } if (atp_readb_io(dev, c, 0x1c) == 0) { atp_writeb_io(dev, c, 0x18, 0x08); atp_writeb_pci(dev, c, 0, 0x09); #ifdef ED_DBGP printk( "start DMA(to host)\n"); #endif } else { dev->last_cmd[c] |= 0x40; } dev->in_snd[c] = 0; return; } static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val) { unsigned short int i, k; unsigned char j; atp_writew_io(dev, 0, 0x1c, *val); for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */ k = atp_readw_io(dev, 0, 0x1c); j = (unsigned char) (k >> 8); if ((k & 0x8000) != 0) /* DB7 all release? */ i = 0; } *val |= 0x4000; /* assert DB6 */ atp_writew_io(dev, 0, 0x1c, *val); *val &= 0xdfff; /* assert DB5 */ atp_writew_io(dev, 0, 0x1c, *val); for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */ if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) != 0) /* DB5 all release? */ i = 0; } *val |= 0x8000; /* no DB4-0, assert DB7 */ *val &= 0xe0ff; atp_writew_io(dev, 0, 0x1c, *val); *val &= 0xbfff; /* release DB6 */ atp_writew_io(dev, 0, 0x1c, *val); for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */ if ((atp_readw_io(dev, 0, 0x1c) & 0x4000) != 0) /* DB6 all release? */ i = 0; } return j; } static void tscam(struct Scsi_Host *host, bool wide_chip, u8 scam_on) { unsigned char i, j, k; unsigned long n; unsigned short int m, assignid_map, val; unsigned char mbuf[33], quintet[2]; struct atp_unit *dev = (struct atp_unit *)&host->hostdata; static unsigned char g2q_tab[8] = { 0x38, 0x31, 0x32, 0x2b, 0x34, 0x2d, 0x2e, 0x27 }; /* I can't believe we need this before we've even done anything. Remove it * and see if anyone bitches. for (i = 0; i < 0x10; i++) { udelay(0xffff); } */ atp_writeb_io(dev, 0, 1, 0x08); atp_writeb_io(dev, 0, 2, 0x7f); atp_writeb_io(dev, 0, 0x11, 0x20); if ((scam_on & 0x40) == 0) { return; } m = 1; m <<= dev->host_id[0]; j = 16; if (!wide_chip) { m |= 0xff00; j = 8; } assignid_map = m; atp_writeb_io(dev, 0, 0x02, 0x02); /* 2*2=4ms,3EH 2/32*3E=3.9ms */ atp_writeb_io(dev, 0, 0x03, 0); atp_writeb_io(dev, 0, 0x04, 0); atp_writeb_io(dev, 0, 0x05, 0); atp_writeb_io(dev, 0, 0x06, 0); atp_writeb_io(dev, 0, 0x07, 0); atp_writeb_io(dev, 0, 0x08, 0); for (i = 0; i < j; i++) { m = 1; m = m << i; if ((m & assignid_map) != 0) { continue; } atp_writeb_io(dev, 0, 0x0f, 0); atp_writeb_io(dev, 0, 0x12, 0); atp_writeb_io(dev, 0, 0x13, 0); atp_writeb_io(dev, 0, 0x14, 0); if (i > 7) { k = (i & 0x07) | 0x40; } else { k = i; } atp_writeb_io(dev, 0, 0x15, k); if (wide_chip) atp_writeb_io(dev, 0, 0x1b, 0x01); else atp_writeb_io(dev, 0, 0x1b, 0x00); do { atp_writeb_io(dev, 0, 0x18, 0x09); while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0x00) cpu_relax(); k = atp_readb_io(dev, 0, 0x17); if ((k == 0x85) || (k == 0x42)) break; if (k != 0x16) atp_writeb_io(dev, 0, 0x10, 0x41); } while (k != 0x16); if ((k == 0x85) || (k == 0x42)) continue; assignid_map |= m; } atp_writeb_io(dev, 0, 0x02, 0x7f); atp_writeb_io(dev, 0, 0x1b, 0x02); udelay(2); val = 0x0080; /* bsy */ atp_writew_io(dev, 0, 0x1c, val); val |= 0x0040; /* sel */ atp_writew_io(dev, 0, 0x1c, val); val |= 0x0004; /* msg */ atp_writew_io(dev, 0, 0x1c, val); udelay(2); /* 2 deskew delay(45ns*2=90ns) */ val &= 0x007f; /* no bsy */ atp_writew_io(dev, 0, 0x1c, val); msleep(128); val &= 0x00fb; /* after 1ms no msg */ atp_writew_io(dev, 0, 0x1c, val); while ((atp_readb_io(dev, 0, 0x1c) & 0x04) != 0) ; udelay(2); udelay(100); for (n = 0; n < 0x30000; n++) if ((atp_readb_io(dev, 0, 0x1c) & 0x80) != 0) /* bsy ? */ break; if (n < 0x30000) for (n = 0; n < 0x30000; n++) if ((atp_readb_io(dev, 0, 0x1c) & 0x81) == 0x0081) { udelay(2); val |= 0x8003; /* io,cd,db7 */ atp_writew_io(dev, 0, 0x1c, val); udelay(2); val &= 0x00bf; /* no sel */ atp_writew_io(dev, 0, 0x1c, val); udelay(2); break; } while (1) { /* * The funny division into multiple delays is to accomodate * arches like ARM where udelay() multiplies its argument by * a large number to initialize a loop counter. To avoid * overflow, the maximum supported udelay is 2000 microseconds. * * XXX it would be more polite to find a way to use msleep() */ mdelay(2); udelay(48); if ((atp_readb_io(dev, 0, 0x1c) & 0x80) == 0x00) { /* bsy ? */ atp_writew_io(dev, 0, 0x1c, 0); atp_writeb_io(dev, 0, 0x1b, 0); atp_writeb_io(dev, 0, 0x15, 0); atp_writeb_io(dev, 0, 0x18, 0x09); while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0) cpu_relax(); atp_readb_io(dev, 0, 0x17); return; } val &= 0x00ff; /* synchronization */ val |= 0x3f00; fun_scam(dev, &val); udelay(2); val &= 0x00ff; /* isolation */ val |= 0x2000; fun_scam(dev, &val); udelay(2); i = 8; j = 0; while (1) { if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) == 0) continue; udelay(2); val &= 0x00ff; /* get ID_STRING */ val |= 0x2000; k = fun_scam(dev, &val); if ((k & 0x03) == 0) break; mbuf[j] <<= 0x01; mbuf[j] &= 0xfe; if ((k & 0x02) != 0) mbuf[j] |= 0x01; i--; if (i > 0) continue; j++; i = 8; } /* isolation complete.. */ /* mbuf[32]=0; printk(" \n%x %x %x %s\n ",assignid_map,mbuf[0],mbuf[1],&mbuf[2]); */ i = 15; j = mbuf[0]; if ((j & 0x20) != 0) { /* bit5=1:ID up to 7 */ i = 7; } if ((j & 0x06) != 0) { /* IDvalid? */ k = mbuf[1]; while (1) { m = 1; m <<= k; if ((m & assignid_map) == 0) break; if (k > 0) k--; else break; } } if ((m & assignid_map) != 0) { /* srch from max acceptable ID# */ k = i; /* max acceptable ID# */ while (1) { m = 1; m <<= k; if ((m & assignid_map) == 0) break; if (k > 0) k--; else break; } } /* k=binID#, */ assignid_map |= m; if (k < 8) { quintet[0] = 0x38; /* 1st dft ID<8 */ } else { quintet[0] = 0x31; /* 1st ID>=8 */ } k &= 0x07; quintet[1] = g2q_tab[k]; val &= 0x00ff; /* AssignID 1stQuintet,AH=001xxxxx */ m = quintet[0] << 8; val |= m; fun_scam(dev, &val); val &= 0x00ff; /* AssignID 2ndQuintet,AH=001xxxxx */ m = quintet[1] << 8; val |= m; fun_scam(dev, &val); } } static void atp870u_free_tables(struct Scsi_Host *host) { struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata; int j, k; for (j=0; j < 2; j++) { for (k = 0; k < 16; k++) { if (!atp_dev->id[j][k].prd_table) continue; dma_free_coherent(&atp_dev->pdev->dev, 1024, atp_dev->id[j][k].prd_table, atp_dev->id[j][k].prd_bus); atp_dev->id[j][k].prd_table = NULL; } } } static int atp870u_init_tables(struct Scsi_Host *host) { struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata; int c,k; for(c=0;c < 2;c++) { for(k=0;k<16;k++) { atp_dev->id[c][k].prd_table = dma_alloc_coherent(&atp_dev->pdev->dev, 1024, &(atp_dev->id[c][k].prd_bus), GFP_KERNEL); if (!atp_dev->id[c][k].prd_table) { printk("atp870u_init_tables fail\n"); atp870u_free_tables(host); return -ENOMEM; } atp_dev->id[c][k].prdaddr = atp_dev->id[c][k].prd_bus; atp_dev->id[c][k].devsp=0x20; atp_dev->id[c][k].devtype = 0x7f; atp_dev->id[c][k].curr_req = NULL; } atp_dev->active_id[c] = 0; atp_dev->wide_id[c] = 0; atp_dev->host_id[c] = 0x07; atp_dev->quhd[c] = 0; atp_dev->quend[c] = 0; atp_dev->last_cmd[c] = 0xff; atp_dev->in_snd[c] = 0; atp_dev->in_int[c] = 0; for (k = 0; k < qcnt; k++) { atp_dev->quereq[c][k] = NULL; } for (k = 0; k < 16; k++) { atp_dev->id[c][k].curr_req = NULL; atp_dev->sp[c][k] = 0x04; } } return 0; } static void atp_set_host_id(struct atp_unit *atp, u8 c, u8 host_id) { atp_writeb_io(atp, c, 0, host_id | 0x08); atp_writeb_io(atp, c, 0x18, 0); while ((atp_readb_io(atp, c, 0x1f) & 0x80) == 0) mdelay(1); atp_readb_io(atp, c, 0x17); atp_writeb_io(atp, c, 1, 8); atp_writeb_io(atp, c, 2, 0x7f); atp_writeb_io(atp, c, 0x11, 0x20); } static void atp870_init(struct Scsi_Host *shpnt) { struct atp_unit *atpdev = shost_priv(shpnt); struct pci_dev *pdev = atpdev->pdev; unsigned char k, host_id; u8 scam_on; bool wide_chip = (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7610 && pdev->revision == 4) || (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612UW) || (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612SUW); pci_read_config_byte(pdev, 0x49, &host_id); dev_info(&pdev->dev, "ACARD AEC-671X PCI Ultra/W SCSI-2/3 " "Host Adapter: IO:%lx, IRQ:%d.\n", shpnt->io_port, shpnt->irq); atpdev->ioport[0] = shpnt->io_port; atpdev->pciport[0] = shpnt->io_port + 0x20; host_id &= 0x07; atpdev->host_id[0] = host_id; scam_on = atp_readb_pci(atpdev, 0, 2); atpdev->global_map[0] = atp_readb_base(atpdev, 0x2d); atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x2e); if (atpdev->ultra_map[0] == 0) { scam_on = 0x00; atpdev->global_map[0] = 0x20; atpdev->ultra_map[0] = 0xffff; } if (pdev->revision > 0x07) /* check if atp876 chip */ atp_writeb_base(atpdev, 0x3e, 0x00); /* enable terminator */ k = (atp_readb_base(atpdev, 0x3a) & 0xf3) | 0x10; atp_writeb_base(atpdev, 0x3a, k); atp_writeb_base(atpdev, 0x3a, k & 0xdf); msleep(32); atp_writeb_base(atpdev, 0x3a, k); msleep(32); atp_set_host_id(atpdev, 0, host_id); tscam(shpnt, wide_chip, scam_on); atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10); atp_is(atpdev, 0, wide_chip, 0); atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef); atp_writeb_base(atpdev, 0x3b, atp_readb_base(atpdev, 0x3b) | 0x20); shpnt->max_id = wide_chip ? 16 : 8; shpnt->this_id = host_id; } static void atp880_init(struct Scsi_Host *shpnt) { struct atp_unit *atpdev = shost_priv(shpnt); struct pci_dev *pdev = atpdev->pdev; unsigned char k, m, host_id; unsigned int n; pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80); atpdev->ioport[0] = shpnt->io_port + 0x40; atpdev->pciport[0] = shpnt->io_port + 0x28; host_id = atp_readb_base(atpdev, 0x39) >> 4; dev_info(&pdev->dev, "ACARD AEC-67160 PCI Ultra3 LVD " "Host Adapter: IO:%lx, IRQ:%d.\n", shpnt->io_port, shpnt->irq); atpdev->host_id[0] = host_id; atpdev->global_map[0] = atp_readb_base(atpdev, 0x35); atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x3c); n = 0x3f09; while (n < 0x4000) { m = 0; atp_writew_base(atpdev, 0x34, n); n += 0x0002; if (atp_readb_base(atpdev, 0x30) == 0xff) break; atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); atp_writew_base(atpdev, 0x34, n); n += 0x0002; atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); atp_writew_base(atpdev, 0x34, n); n += 0x0002; atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); atp_writew_base(atpdev, 0x34, n); n += 0x0002; atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); n += 0x0018; } atp_writew_base(atpdev, 0x34, 0); atpdev->ultra_map[0] = 0; atpdev->async[0] = 0; for (k = 0; k < 16; k++) { n = 1 << k; if (atpdev->sp[0][k] > 1) atpdev->ultra_map[0] |= n; else if (atpdev->sp[0][k] == 0) atpdev->async[0] |= n; } atpdev->async[0] = ~(atpdev->async[0]); atp_writeb_base(atpdev, 0x35, atpdev->global_map[0]); k = atp_readb_base(atpdev, 0x38) & 0x80; atp_writeb_base(atpdev, 0x38, k); atp_writeb_base(atpdev, 0x3b, 0x20); msleep(32); atp_writeb_base(atpdev, 0x3b, 0); msleep(32); atp_readb_io(atpdev, 0, 0x1b); atp_readb_io(atpdev, 0, 0x17); atp_set_host_id(atpdev, 0, host_id); tscam(shpnt, true, atp_readb_base(atpdev, 0x22)); atp_is(atpdev, 0, true, atp_readb_base(atpdev, 0x3f) & 0x40); atp_writeb_base(atpdev, 0x38, 0xb0); shpnt->max_id = 16; shpnt->this_id = host_id; } static void atp885_init(struct Scsi_Host *shpnt) { struct atp_unit *atpdev = shost_priv(shpnt); struct pci_dev *pdev = atpdev->pdev; unsigned char k, m, c; unsigned int n; unsigned char setupdata[2][16]; dev_info(&pdev->dev, "ACARD AEC-67162 PCI Ultra3 LVD " "Host Adapter: IO:%lx, IRQ:%d.\n", shpnt->io_port, shpnt->irq); atpdev->ioport[0] = shpnt->io_port + 0x80; atpdev->ioport[1] = shpnt->io_port + 0xc0; atpdev->pciport[0] = shpnt->io_port + 0x40; atpdev->pciport[1] = shpnt->io_port + 0x50; c = atp_readb_base(atpdev, 0x29); atp_writeb_base(atpdev, 0x29, c | 0x04); n = 0x1f80; while (n < 0x2000) { atp_writew_base(atpdev, 0x3c, n); if (atp_readl_base(atpdev, 0x38) == 0xffffffff) break; for (m = 0; m < 2; m++) { atpdev->global_map[m] = 0; for (k = 0; k < 4; k++) { atp_writew_base(atpdev, 0x3c, n++); ((u32 *)&setupdata[m][0])[k] = atp_readl_base(atpdev, 0x38); } for (k = 0; k < 4; k++) { atp_writew_base(atpdev, 0x3c, n++); ((u32 *)&atpdev->sp[m][0])[k] = atp_readl_base(atpdev, 0x38); } n += 8; } } c = atp_readb_base(atpdev, 0x29); atp_writeb_base(atpdev, 0x29, c & 0xfb); for (c = 0; c < 2; c++) { atpdev->ultra_map[c] = 0; atpdev->async[c] = 0; for (k = 0; k < 16; k++) { n = 1 << k; if (atpdev->sp[c][k] > 1) atpdev->ultra_map[c] |= n; else if (atpdev->sp[c][k] == 0) atpdev->async[c] |= n; } atpdev->async[c] = ~(atpdev->async[c]); if (atpdev->global_map[c] == 0) { k = setupdata[c][1]; if ((k & 0x40) != 0) atpdev->global_map[c] |= 0x20; k &= 0x07; atpdev->global_map[c] |= k; if ((setupdata[c][2] & 0x04) != 0) atpdev->global_map[c] |= 0x08; atpdev->host_id[c] = setupdata[c][0] & 0x07; } } k = atp_readb_base(atpdev, 0x28) & 0x8f; k |= 0x10; atp_writeb_base(atpdev, 0x28, k); atp_writeb_pci(atpdev, 0, 1, 0x80); atp_writeb_pci(atpdev, 1, 1, 0x80); msleep(100); atp_writeb_pci(atpdev, 0, 1, 0); atp_writeb_pci(atpdev, 1, 1, 0); msleep(1000); atp_readb_io(atpdev, 0, 0x1b); atp_readb_io(atpdev, 0, 0x17); atp_readb_io(atpdev, 1, 0x1b); atp_readb_io(atpdev, 1, 0x17); k = atpdev->host_id[0]; if (k > 7) k = (k & 0x07) | 0x40; atp_set_host_id(atpdev, 0, k); k = atpdev->host_id[1]; if (k > 7) k = (k & 0x07) | 0x40; atp_set_host_id(atpdev, 1, k); msleep(600); /* this delay used to be called tscam_885() */ dev_info(&pdev->dev, "Scanning Channel A SCSI Device ...\n"); atp_is(atpdev, 0, true, atp_readb_io(atpdev, 0, 0x1b) >> 7); atp_writeb_io(atpdev, 0, 0x16, 0x80); dev_info(&pdev->dev, "Scanning Channel B SCSI Device ...\n"); atp_is(atpdev, 1, true, atp_readb_io(atpdev, 1, 0x1b) >> 7); atp_writeb_io(atpdev, 1, 0x16, 0x80); k = atp_readb_base(atpdev, 0x28) & 0xcf; k |= 0xc0; atp_writeb_base(atpdev, 0x28, k); k = atp_readb_base(atpdev, 0x1f) | 0x80; atp_writeb_base(atpdev, 0x1f, k); k = atp_readb_base(atpdev, 0x29) | 0x01; atp_writeb_base(atpdev, 0x29, k); shpnt->max_id = 16; shpnt->max_lun = (atpdev->global_map[0] & 0x07) + 1; shpnt->max_channel = 1; shpnt->this_id = atpdev->host_id[0]; } /* return non-zero on detection */ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct Scsi_Host *shpnt = NULL; struct atp_unit *atpdev; int err; if (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 && pdev->revision < 2) { dev_err(&pdev->dev, "ATP850S chips (AEC6710L/F cards) are not supported.\n"); return -ENODEV; } err = pci_enable_device(pdev); if (err) goto fail; if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) { printk(KERN_ERR "atp870u: DMA mask required but not available.\n"); err = -EIO; goto disable_device; } err = pci_request_regions(pdev, "atp870u"); if (err) goto disable_device; pci_set_master(pdev); err = -ENOMEM; shpnt = scsi_host_alloc(&atp870u_template, sizeof(struct atp_unit)); if (!shpnt) goto release_region; atpdev = shost_priv(shpnt); atpdev->host = shpnt; atpdev->pdev = pdev; pci_set_drvdata(pdev, atpdev); shpnt->io_port = pci_resource_start(pdev, 0); shpnt->io_port &= 0xfffffff8; shpnt->n_io_port = pci_resource_len(pdev, 0); atpdev->baseport = shpnt->io_port; shpnt->unique_id = shpnt->io_port; shpnt->irq = pdev->irq; err = atp870u_init_tables(shpnt); if (err) { dev_err(&pdev->dev, "Unable to allocate tables for Acard controller\n"); goto unregister; } if (is880(atpdev)) atp880_init(shpnt); else if (is885(atpdev)) atp885_init(shpnt); else atp870_init(shpnt); err = request_irq(shpnt->irq, atp870u_intr_handle, IRQF_SHARED, "atp870u", shpnt); if (err) { dev_err(&pdev->dev, "Unable to allocate IRQ %d.\n", shpnt->irq); goto free_tables; } err = scsi_add_host(shpnt, &pdev->dev); if (err) goto scsi_add_fail; scsi_scan_host(shpnt); return 0; scsi_add_fail: free_irq(shpnt->irq, shpnt); free_tables: atp870u_free_tables(shpnt); unregister: scsi_host_put(shpnt); release_region: pci_release_regions(pdev); disable_device: pci_disable_device(pdev); fail: return err; } /* The abort command does not leave the device in a clean state where it is available to be used again. Until this gets worked out, we will leave it commented out. */ static int atp870u_abort(struct scsi_cmnd * SCpnt) { unsigned char j, k, c; struct scsi_cmnd *workrequ; struct atp_unit *dev; struct Scsi_Host *host; host = SCpnt->device->host; dev = (struct atp_unit *)&host->hostdata; c = scmd_channel(SCpnt); printk(" atp870u: abort Channel = %x \n", c); printk("working=%x last_cmd=%x ", dev->working[c], dev->last_cmd[c]); printk(" quhdu=%x quendu=%x ", dev->quhd[c], dev->quend[c]); for (j = 0; j < 0x18; j++) { printk(" r%2x=%2x", j, atp_readb_io(dev, c, j)); } printk(" r1c=%2x", atp_readb_io(dev, c, 0x1c)); printk(" r1f=%2x in_snd=%2x ", atp_readb_io(dev, c, 0x1f), dev->in_snd[c]); printk(" d00=%2x", atp_readb_pci(dev, c, 0x00)); printk(" d02=%2x", atp_readb_pci(dev, c, 0x02)); for(j=0;j<16;j++) { if (dev->id[c][j].curr_req != NULL) { workrequ = dev->id[c][j].curr_req; printk("\n que cdb= "); for (k=0; k < workrequ->cmd_len; k++) { printk(" %2x ",workrequ->cmnd[k]); } printk(" last_lenu= %x ",(unsigned int)dev->id[c][j].last_len); } } return SUCCESS; } static const char *atp870u_info(struct Scsi_Host *notused) { static char buffer[128]; strcpy(buffer, "ACARD AEC-6710/6712/67160 PCI Ultra/W/LVD SCSI-3 Adapter Driver V2.6+ac "); return buffer; } static int atp870u_show_info(struct seq_file *m, struct Scsi_Host *HBAptr) { seq_puts(m, "ACARD AEC-671X Driver Version: 2.6+ac\n\n" "Adapter Configuration:\n"); seq_printf(m, " Base IO: %#.4lx\n", HBAptr->io_port); seq_printf(m, " IRQ: %d\n", HBAptr->irq); return 0; } static int atp870u_biosparam(struct scsi_device *disk, struct block_device *dev, sector_t capacity, int *ip) { int heads, sectors, cylinders; heads = 64; sectors = 32; cylinders = (unsigned long)capacity / (heads * sectors); if (cylinders > 1024) { heads = 255; sectors = 63; cylinders = (unsigned long)capacity / (heads * sectors); } ip[0] = heads; ip[1] = sectors; ip[2] = cylinders; return 0; } static void atp870u_remove (struct pci_dev *pdev) { struct atp_unit *devext = pci_get_drvdata(pdev); struct Scsi_Host *pshost = devext->host; scsi_remove_host(pshost); free_irq(pshost->irq, pshost); pci_release_regions(pdev); pci_disable_device(pdev); atp870u_free_tables(pshost); scsi_host_put(pshost); } MODULE_LICENSE("GPL"); static struct scsi_host_template atp870u_template = { .module = THIS_MODULE, .name = "atp870u" /* name */, .proc_name = "atp870u", .show_info = atp870u_show_info, .info = atp870u_info /* info */, .queuecommand = atp870u_queuecommand /* queuecommand */, .eh_abort_handler = atp870u_abort /* abort */, .bios_param = atp870u_biosparam /* biosparm */, .can_queue = qcnt /* can_queue */, .this_id = 7 /* SCSI ID */, .sg_tablesize = ATP870U_SCATTER /*SG_ALL*/, .max_sectors = ATP870U_MAX_SECTORS, }; static struct pci_device_id atp870u_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP885_DEVID) }, { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID1) }, { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID2) }, { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7610) }, { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612UW) }, { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612U) }, { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612S) }, { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612D) }, { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612SUW) }, { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_8060) }, { 0, }, }; MODULE_DEVICE_TABLE(pci, atp870u_id_table); static struct pci_driver atp870u_driver = { .id_table = atp870u_id_table, .name = "atp870u", .probe = atp870u_probe, .remove = atp870u_remove, }; module_pci_driver(atp870u_driver); static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip, unsigned char lvdmode) { unsigned char i, j, k, rmb, n; unsigned short int m; static unsigned char mbuf[512]; static unsigned char satn[9] = { 0, 0, 0, 0, 0, 0, 0, 6, 6 }; static unsigned char inqd[9] = { 0x12, 0, 0, 0, 0x24, 0, 0, 0x24, 6 }; static unsigned char synn[6] = { 0x80, 1, 3, 1, 0x19, 0x0e }; unsigned char synu[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e }; static unsigned char synw[6] = { 0x80, 1, 3, 1, 0x19, 0x0e }; static unsigned char synw_870[6] = { 0x80, 1, 3, 1, 0x0c, 0x07 }; unsigned char synuw[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e }; static unsigned char wide[6] = { 0x80, 1, 2, 3, 1, 0 }; static unsigned char u3[9] = { 0x80, 1, 6, 4, 0x09, 00, 0x0e, 0x01, 0x02 }; for (i = 0; i < 16; i++) { if (!wide_chip && (i > 7)) break; m = 1; m = m << i; if ((m & dev->active_id[c]) != 0) { continue; } if (i == dev->host_id[c]) { printk(KERN_INFO " ID: %2d Host Adapter\n", dev->host_id[c]); continue; } atp_writeb_io(dev, c, 0x1b, wide_chip ? 0x01 : 0x00); atp_writeb_io(dev, c, 1, 0x08); atp_writeb_io(dev, c, 2, 0x7f); atp_writeb_io(dev, c, 3, satn[0]); atp_writeb_io(dev, c, 4, satn[1]); atp_writeb_io(dev, c, 5, satn[2]); atp_writeb_io(dev, c, 6, satn[3]); atp_writeb_io(dev, c, 7, satn[4]); atp_writeb_io(dev, c, 8, satn[5]); atp_writeb_io(dev, c, 0x0f, 0); atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); atp_writeb_io(dev, c, 0x12, 0); atp_writeb_io(dev, c, 0x13, satn[6]); atp_writeb_io(dev, c, 0x14, satn[7]); j = i; if ((j & 0x08) != 0) { j = (j & 0x07) | 0x40; } atp_writeb_io(dev, c, 0x15, j); atp_writeb_io(dev, c, 0x18, satn[8]); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) cpu_relax(); if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) continue; while (atp_readb_io(dev, c, 0x17) != 0x8e) cpu_relax(); dev->active_id[c] |= m; atp_writeb_io(dev, c, 0x10, 0x30); if (is885(dev) || is880(dev)) atp_writeb_io(dev, c, 0x14, 0x00); else /* result of is870() merge - is this a bug? */ atp_writeb_io(dev, c, 0x04, 0x00); phase_cmd: atp_writeb_io(dev, c, 0x18, 0x08); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) cpu_relax(); j = atp_readb_io(dev, c, 0x17); if (j != 0x16) { atp_writeb_io(dev, c, 0x10, 0x41); goto phase_cmd; } sel_ok: atp_writeb_io(dev, c, 3, inqd[0]); atp_writeb_io(dev, c, 4, inqd[1]); atp_writeb_io(dev, c, 5, inqd[2]); atp_writeb_io(dev, c, 6, inqd[3]); atp_writeb_io(dev, c, 7, inqd[4]); atp_writeb_io(dev, c, 8, inqd[5]); atp_writeb_io(dev, c, 0x0f, 0); atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); atp_writeb_io(dev, c, 0x12, 0); atp_writeb_io(dev, c, 0x13, inqd[6]); atp_writeb_io(dev, c, 0x14, inqd[7]); atp_writeb_io(dev, c, 0x18, inqd[8]); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) cpu_relax(); if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) continue; while (atp_readb_io(dev, c, 0x17) != 0x8e) cpu_relax(); if (wide_chip) atp_writeb_io(dev, c, 0x1b, 0x00); atp_writeb_io(dev, c, 0x18, 0x08); j = 0; rd_inq_data: k = atp_readb_io(dev, c, 0x1f); if ((k & 0x01) != 0) { mbuf[j++] = atp_readb_io(dev, c, 0x19); goto rd_inq_data; } if ((k & 0x80) == 0) { goto rd_inq_data; } j = atp_readb_io(dev, c, 0x17); if (j == 0x16) { goto inq_ok; } atp_writeb_io(dev, c, 0x10, 0x46); atp_writeb_io(dev, c, 0x12, 0); atp_writeb_io(dev, c, 0x13, 0); atp_writeb_io(dev, c, 0x14, 0); atp_writeb_io(dev, c, 0x18, 0x08); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) cpu_relax(); if (atp_readb_io(dev, c, 0x17) != 0x16) goto sel_ok; inq_ok: mbuf[36] = 0; printk(KERN_INFO " ID: %2d %s\n", i, &mbuf[8]); dev->id[c][i].devtype = mbuf[0]; rmb = mbuf[1]; n = mbuf[7]; if (!wide_chip) goto not_wide; if ((mbuf[7] & 0x60) == 0) { goto not_wide; } if (is885(dev) || is880(dev)) { if ((i < 8) && ((dev->global_map[c] & 0x20) == 0)) goto not_wide; } else { /* result of is870() merge - is this a bug? */ if ((dev->global_map[c] & 0x20) == 0) goto not_wide; } if (lvdmode == 0) { goto chg_wide; } if (dev->sp[c][i] != 0x04) // force u2 { goto chg_wide; } atp_writeb_io(dev, c, 0x1b, 0x01); atp_writeb_io(dev, c, 3, satn[0]); atp_writeb_io(dev, c, 4, satn[1]); atp_writeb_io(dev, c, 5, satn[2]); atp_writeb_io(dev, c, 6, satn[3]); atp_writeb_io(dev, c, 7, satn[4]); atp_writeb_io(dev, c, 8, satn[5]); atp_writeb_io(dev, c, 0x0f, 0); atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); atp_writeb_io(dev, c, 0x12, 0); atp_writeb_io(dev, c, 0x13, satn[6]); atp_writeb_io(dev, c, 0x14, satn[7]); atp_writeb_io(dev, c, 0x18, satn[8]); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) cpu_relax(); if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) continue; while (atp_readb_io(dev, c, 0x17) != 0x8e) cpu_relax(); try_u3: j = 0; atp_writeb_io(dev, c, 0x14, 0x09); atp_writeb_io(dev, c, 0x18, 0x20); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) atp_writeb_io(dev, c, 0x19, u3[j++]); cpu_relax(); } while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00) cpu_relax(); j = atp_readb_io(dev, c, 0x17) & 0x0f; if (j == 0x0f) { goto u3p_in; } if (j == 0x0a) { goto u3p_cmd; } if (j == 0x0e) { goto try_u3; } continue; u3p_out: atp_writeb_io(dev, c, 0x18, 0x20); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) atp_writeb_io(dev, c, 0x19, 0); cpu_relax(); } j = atp_readb_io(dev, c, 0x17) & 0x0f; if (j == 0x0f) { goto u3p_in; } if (j == 0x0a) { goto u3p_cmd; } if (j == 0x0e) { goto u3p_out; } continue; u3p_in: atp_writeb_io(dev, c, 0x14, 0x09); atp_writeb_io(dev, c, 0x18, 0x20); k = 0; u3p_in1: j = atp_readb_io(dev, c, 0x1f); if ((j & 0x01) != 0) { mbuf[k++] = atp_readb_io(dev, c, 0x19); goto u3p_in1; } if ((j & 0x80) == 0x00) { goto u3p_in1; } j = atp_readb_io(dev, c, 0x17) & 0x0f; if (j == 0x0f) { goto u3p_in; } if (j == 0x0a) { goto u3p_cmd; } if (j == 0x0e) { goto u3p_out; } continue; u3p_cmd: atp_writeb_io(dev, c, 0x10, 0x30); atp_writeb_io(dev, c, 0x14, 0x00); atp_writeb_io(dev, c, 0x18, 0x08); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00); j = atp_readb_io(dev, c, 0x17); if (j != 0x16) { if (j == 0x4e) { goto u3p_out; } continue; } if (mbuf[0] != 0x01) { goto chg_wide; } if (mbuf[1] != 0x06) { goto chg_wide; } if (mbuf[2] != 0x04) { goto chg_wide; } if (mbuf[3] == 0x09) { m = 1; m = m << i; dev->wide_id[c] |= m; dev->id[c][i].devsp = 0xce; #ifdef ED_DBGP printk("dev->id[%2d][%2d].devsp = %2x\n", c, i, dev->id[c][i].devsp); #endif continue; } chg_wide: atp_writeb_io(dev, c, 0x1b, 0x01); atp_writeb_io(dev, c, 3, satn[0]); atp_writeb_io(dev, c, 4, satn[1]); atp_writeb_io(dev, c, 5, satn[2]); atp_writeb_io(dev, c, 6, satn[3]); atp_writeb_io(dev, c, 7, satn[4]); atp_writeb_io(dev, c, 8, satn[5]); atp_writeb_io(dev, c, 0x0f, 0); atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); atp_writeb_io(dev, c, 0x12, 0); atp_writeb_io(dev, c, 0x13, satn[6]); atp_writeb_io(dev, c, 0x14, satn[7]); atp_writeb_io(dev, c, 0x18, satn[8]); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) cpu_relax(); if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) continue; while (atp_readb_io(dev, c, 0x17) != 0x8e) cpu_relax(); try_wide: j = 0; atp_writeb_io(dev, c, 0x14, 0x05); atp_writeb_io(dev, c, 0x18, 0x20); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) atp_writeb_io(dev, c, 0x19, wide[j++]); cpu_relax(); } while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00) cpu_relax(); j = atp_readb_io(dev, c, 0x17) & 0x0f; if (j == 0x0f) { goto widep_in; } if (j == 0x0a) { goto widep_cmd; } if (j == 0x0e) { goto try_wide; } continue; widep_out: atp_writeb_io(dev, c, 0x18, 0x20); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) atp_writeb_io(dev, c, 0x19, 0); cpu_relax(); } j = atp_readb_io(dev, c, 0x17) & 0x0f; if (j == 0x0f) { goto widep_in; } if (j == 0x0a) { goto widep_cmd; } if (j == 0x0e) { goto widep_out; } continue; widep_in: atp_writeb_io(dev, c, 0x14, 0xff); atp_writeb_io(dev, c, 0x18, 0x20); k = 0; widep_in1: j = atp_readb_io(dev, c, 0x1f); if ((j & 0x01) != 0) { mbuf[k++] = atp_readb_io(dev, c, 0x19); goto widep_in1; } if ((j & 0x80) == 0x00) { goto widep_in1; } j = atp_readb_io(dev, c, 0x17) & 0x0f; if (j == 0x0f) { goto widep_in; } if (j == 0x0a) { goto widep_cmd; } if (j == 0x0e) { goto widep_out; } continue; widep_cmd: atp_writeb_io(dev, c, 0x10, 0x30); atp_writeb_io(dev, c, 0x14, 0x00); atp_writeb_io(dev, c, 0x18, 0x08); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) cpu_relax(); j = atp_readb_io(dev, c, 0x17); if (j != 0x16) { if (j == 0x4e) { goto widep_out; } continue; } if (mbuf[0] != 0x01) { goto not_wide; } if (mbuf[1] != 0x02) { goto not_wide; } if (mbuf[2] != 0x03) { goto not_wide; } if (mbuf[3] != 0x01) { goto not_wide; } m = 1; m = m << i; dev->wide_id[c] |= m; not_wide: if ((dev->id[c][i].devtype == 0x00) || (dev->id[c][i].devtype == 0x07) || ((dev->id[c][i].devtype == 0x05) && ((n & 0x10) != 0))) { m = 1; m = m << i; if ((dev->async[c] & m) != 0) { goto set_sync; } } continue; set_sync: if ((!is885(dev) && !is880(dev)) || (dev->sp[c][i] == 0x02)) { synu[4] = 0x0c; synuw[4] = 0x0c; } else { if (dev->sp[c][i] >= 0x03) { synu[4] = 0x0a; synuw[4] = 0x0a; } } j = 0; if ((m & dev->wide_id[c]) != 0) { j |= 0x01; } atp_writeb_io(dev, c, 0x1b, j); atp_writeb_io(dev, c, 3, satn[0]); atp_writeb_io(dev, c, 4, satn[1]); atp_writeb_io(dev, c, 5, satn[2]); atp_writeb_io(dev, c, 6, satn[3]); atp_writeb_io(dev, c, 7, satn[4]); atp_writeb_io(dev, c, 8, satn[5]); atp_writeb_io(dev, c, 0x0f, 0); atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); atp_writeb_io(dev, c, 0x12, 0); atp_writeb_io(dev, c, 0x13, satn[6]); atp_writeb_io(dev, c, 0x14, satn[7]); atp_writeb_io(dev, c, 0x18, satn[8]); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) cpu_relax(); if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) continue; while (atp_readb_io(dev, c, 0x17) != 0x8e) cpu_relax(); try_sync: j = 0; atp_writeb_io(dev, c, 0x14, 0x06); atp_writeb_io(dev, c, 0x18, 0x20); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) { if ((m & dev->wide_id[c]) != 0) { if (is885(dev) || is880(dev)) { if ((m & dev->ultra_map[c]) != 0) { atp_writeb_io(dev, c, 0x19, synuw[j++]); } else { atp_writeb_io(dev, c, 0x19, synw[j++]); } } else atp_writeb_io(dev, c, 0x19, synw_870[j++]); } else { if ((m & dev->ultra_map[c]) != 0) { atp_writeb_io(dev, c, 0x19, synu[j++]); } else { atp_writeb_io(dev, c, 0x19, synn[j++]); } } } } while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00) cpu_relax(); j = atp_readb_io(dev, c, 0x17) & 0x0f; if (j == 0x0f) { goto phase_ins; } if (j == 0x0a) { goto phase_cmds; } if (j == 0x0e) { goto try_sync; } continue; phase_outs: atp_writeb_io(dev, c, 0x18, 0x20); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) { if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0x00) atp_writeb_io(dev, c, 0x19, 0x00); cpu_relax(); } j = atp_readb_io(dev, c, 0x17); if (j == 0x85) { goto tar_dcons; } j &= 0x0f; if (j == 0x0f) { goto phase_ins; } if (j == 0x0a) { goto phase_cmds; } if (j == 0x0e) { goto phase_outs; } continue; phase_ins: if (is885(dev) || is880(dev)) atp_writeb_io(dev, c, 0x14, 0x06); else atp_writeb_io(dev, c, 0x14, 0xff); atp_writeb_io(dev, c, 0x18, 0x20); k = 0; phase_ins1: j = atp_readb_io(dev, c, 0x1f); if ((j & 0x01) != 0x00) { mbuf[k++] = atp_readb_io(dev, c, 0x19); goto phase_ins1; } if ((j & 0x80) == 0x00) { goto phase_ins1; } while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00); j = atp_readb_io(dev, c, 0x17); if (j == 0x85) { goto tar_dcons; } j &= 0x0f; if (j == 0x0f) { goto phase_ins; } if (j == 0x0a) { goto phase_cmds; } if (j == 0x0e) { goto phase_outs; } continue; phase_cmds: atp_writeb_io(dev, c, 0x10, 0x30); tar_dcons: atp_writeb_io(dev, c, 0x14, 0x00); atp_writeb_io(dev, c, 0x18, 0x08); while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) cpu_relax(); j = atp_readb_io(dev, c, 0x17); if (j != 0x16) { continue; } if (mbuf[0] != 0x01) { continue; } if (mbuf[1] != 0x03) { continue; } if (mbuf[4] == 0x00) { continue; } if (mbuf[3] > 0x64) { continue; } if (is885(dev) || is880(dev)) { if (mbuf[4] > 0x0e) { mbuf[4] = 0x0e; } } else { if (mbuf[4] > 0x0c) { mbuf[4] = 0x0c; } } dev->id[c][i].devsp = mbuf[4]; if (is885(dev) || is880(dev)) if (mbuf[3] < 0x0c) { j = 0xb0; goto set_syn_ok; } if ((mbuf[3] < 0x0d) && (rmb == 0)) { j = 0xa0; goto set_syn_ok; } if (mbuf[3] < 0x1a) { j = 0x20; goto set_syn_ok; } if (mbuf[3] < 0x33) { j = 0x40; goto set_syn_ok; } if (mbuf[3] < 0x4c) { j = 0x50; goto set_syn_ok; } j = 0x60; set_syn_ok: dev->id[c][i].devsp = (dev->id[c][i].devsp & 0x0f) | j; #ifdef ED_DBGP printk("dev->id[%2d][%2d].devsp = %2x\n", c,i,dev->id[c][i].devsp); #endif } }
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