^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /* -*- mode: c; c-basic-offset: 8 -*- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) /* PARISC LASI driver for the 53c700 chip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2001 by James.Bottomley@HansenPartnership.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) **-----------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) **
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) **
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) **-----------------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * Many thanks to Richard Hirst <rhirst@linuxcare.com> for patiently
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * debugging this driver on the parisc architecture and suggesting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * many improvements and bug fixes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * Thanks also go to Linuxcare Inc. for providing several PARISC
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * machines for me to debug the driver on.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/blkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/ioport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/dma-mapping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <asm/page.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <asm/irq.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <asm/hardware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #include <asm/parisc-device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #include <asm/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #include <scsi/scsi_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #include <scsi/scsi_transport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #include <scsi/scsi_transport_spi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #include "53c700.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) MODULE_AUTHOR("James Bottomley");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) MODULE_DESCRIPTION("lasi700 SCSI Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define LASI_700_SVERSION 0x00071
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define LASI_710_SVERSION 0x00082
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define LASI700_ID_TABLE { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) .hw_type = HPHW_FIO, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) .sversion = LASI_700_SVERSION, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .hversion = HVERSION_ANY_ID, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .hversion_rev = HVERSION_REV_ANY_ID, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define LASI710_ID_TABLE { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .hw_type = HPHW_FIO, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .sversion = LASI_710_SVERSION, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .hversion = HVERSION_ANY_ID, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .hversion_rev = HVERSION_REV_ANY_ID, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define LASI700_CLOCK 25
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define LASI710_CLOCK 40
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define LASI_SCSI_CORE_OFFSET 0x100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) static const struct parisc_device_id lasi700_ids[] __initconst = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) LASI700_ID_TABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) LASI710_ID_TABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) { 0 }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) static struct scsi_host_template lasi700_template = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) .name = "LASI SCSI 53c700",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .proc_name = "lasi700",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .this_id = 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) MODULE_DEVICE_TABLE(parisc, lasi700_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) static int __init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) lasi700_probe(struct parisc_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) unsigned long base = dev->hpa.start + LASI_SCSI_CORE_OFFSET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct NCR_700_Host_Parameters *hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct Scsi_Host *host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) if (!hostdata) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) dev_printk(KERN_ERR, &dev->dev, "Failed to allocate host data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) hostdata->dev = &dev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) dma_set_mask(&dev->dev, DMA_BIT_MASK(32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) hostdata->base = ioremap(base, 0x100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) hostdata->differential = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) if (dev->id.sversion == LASI_700_SVERSION) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) hostdata->clock = LASI700_CLOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) hostdata->force_le_on_be = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) hostdata->clock = LASI710_CLOCK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) hostdata->force_le_on_be = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) hostdata->chip710 = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) hostdata->dmode_extra = DMODE_FC2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) hostdata->burst_length = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) host = NCR_700_detect(&lasi700_template, hostdata, &dev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) if (!host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) goto out_kfree;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) host->this_id = 7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) host->base = base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) host->irq = dev->irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) if(request_irq(dev->irq, NCR_700_intr, IRQF_SHARED, "lasi700", host)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) printk(KERN_ERR "lasi700: request_irq failed!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) goto out_put_host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) dev_set_drvdata(&dev->dev, host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) scsi_scan_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) out_put_host:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) scsi_host_put(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) out_kfree:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) iounmap(hostdata->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) kfree(hostdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) static int __exit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) lasi700_driver_remove(struct parisc_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) struct NCR_700_Host_Parameters *hostdata =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) (struct NCR_700_Host_Parameters *)host->hostdata[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) scsi_remove_host(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) NCR_700_release(host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) free_irq(host->irq, host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) iounmap(hostdata->base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) kfree(hostdata);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) static struct parisc_driver lasi700_driver __refdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .name = "lasi_scsi",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) .id_table = lasi700_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) .probe = lasi700_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .remove = __exit_p(lasi700_driver_remove),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) static int __init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) lasi700_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) return register_parisc_driver(&lasi700_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static void __exit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) lasi700_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) unregister_parisc_driver(&lasi700_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) module_init(lasi700_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) module_exit(lasi700_exit);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
3 Commits
0 Branches
0 Tags