diff options
Diffstat (limited to 'drivers/scsi/sr_vendor.c')
| -rw-r--r-- | drivers/scsi/sr_vendor.c | 67 |
1 files changed, 39 insertions, 28 deletions
diff --git a/drivers/scsi/sr_vendor.c b/drivers/scsi/sr_vendor.c index 92cc2efb25d7..a61635326ae0 100644 --- a/drivers/scsi/sr_vendor.c +++ b/drivers/scsi/sr_vendor.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* -*-linux-c-*- * vendor-specific code for SCSI CD-ROM's goes here. @@ -60,14 +61,12 @@ #define VENDOR_NEC 2 #define VENDOR_TOSHIBA 3 #define VENDOR_WRITER 4 /* pre-scsi3 writers */ +#define VENDOR_CYGNAL_85ED 5 /* CD-on-a-chip */ #define VENDOR_TIMEOUT 30*HZ void sr_vendor_init(Scsi_CD *cd) { -#ifndef CONFIG_BLK_DEV_SR_VENDOR - cd->vendor = VENDOR_SCSI3; -#else const char *vendor = cd->device->vendor; const char *model = cd->device->model; @@ -98,8 +97,24 @@ void sr_vendor_init(Scsi_CD *cd) } else if (!strncmp(vendor, "TOSHIBA", 7)) { cd->vendor = VENDOR_TOSHIBA; + } else if (!strncmp(vendor, "Beurer", 6) && + !strncmp(model, "Gluco Memory", 12)) { + /* The Beurer GL50 evo uses a Cygnal-manufactured CD-on-a-chip + that only accepts a subset of SCSI commands. Most of the + not-implemented commands are fine to fail, but a few, + particularly around the MMC or Audio commands, will put the + device into an unrecoverable state, so they need to be + avoided at all costs. + */ + cd->vendor = VENDOR_CYGNAL_85ED; + cd->cdi.mask |= ( + CDC_MULTI_SESSION | + CDC_CLOSE_TRAY | CDC_OPEN_TRAY | + CDC_LOCK | + CDC_GENERIC_PACKET | + CDC_PLAY_AUDIO + ); } -#endif } @@ -113,17 +128,15 @@ int sr_set_blocklength(Scsi_CD *cd, int blocklength) struct ccs_modesel_head *modesel; int rc, density = 0; -#ifdef CONFIG_BLK_DEV_SR_VENDOR if (cd->vendor == VENDOR_TOSHIBA) density = (blocklength > 2048) ? 0x81 : 0x83; -#endif - buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); + buffer = kmalloc(512, GFP_KERNEL); if (!buffer) return -ENOMEM; #ifdef DEBUG - printk("%s: MODE SELECT 0x%x/%d\n", cd->cdi.name, density, blocklength); + sr_printk(KERN_INFO, cd, "MODE SELECT 0x%x/%d\n", density, blocklength); #endif memset(&cgc, 0, sizeof(struct packet_command)); cgc.cmd[0] = MODE_SELECT; @@ -144,8 +157,9 @@ int sr_set_blocklength(Scsi_CD *cd, int blocklength) } #ifdef DEBUG else - printk("%s: switching blocklength to %d bytes failed\n", - cd->cdi.name, blocklength); + sr_printk(KERN_INFO, cd, + "switching blocklength to %d bytes failed\n", + blocklength); #endif kfree(buffer); return rc; @@ -165,7 +179,7 @@ int sr_cd_check(struct cdrom_device_info *cdi) if (cd->cdi.mask & CDC_MULTI_SESSION) return 0; - buffer = kmalloc(512, GFP_KERNEL | GFP_DMA); + buffer = kmalloc(512, GFP_KERNEL); if (!buffer) return -ENOMEM; @@ -190,8 +204,8 @@ int sr_cd_check(struct cdrom_device_info *cdi) if (rc != 0) break; if ((buffer[0] << 8) + buffer[1] < 0x0a) { - printk(KERN_INFO "%s: Hmm, seems the drive " - "doesn't support multisession CD's\n", cd->cdi.name); + sr_printk(KERN_INFO, cd, "Hmm, seems the drive " + "doesn't support multisession CD's\n"); no_multi = 1; break; } @@ -203,7 +217,6 @@ int sr_cd_check(struct cdrom_device_info *cdi) } break; -#ifdef CONFIG_BLK_DEV_SR_VENDOR case VENDOR_NEC:{ unsigned long min, sec, frame; cgc.cmd[0] = 0xde; @@ -218,9 +231,9 @@ int sr_cd_check(struct cdrom_device_info *cdi) if (rc != 0) break; if (buffer[14] != 0 && buffer[14] != 0xb0) { - printk(KERN_INFO "%s: Hmm, seems the cdrom " - "doesn't support multisession CD's\n", - cd->cdi.name); + sr_printk(KERN_INFO, cd, "Hmm, seems the cdrom " + "doesn't support multisession CD's\n"); + no_multi = 1; break; } @@ -245,9 +258,8 @@ int sr_cd_check(struct cdrom_device_info *cdi) cgc.timeout = VENDOR_TIMEOUT; rc = sr_do_ioctl(cd, &cgc); if (rc == -EINVAL) { - printk(KERN_INFO "%s: Hmm, seems the drive " - "doesn't support multisession CD's\n", - cd->cdi.name); + sr_printk(KERN_INFO, cd, "Hmm, seems the drive " + "doesn't support multisession CD's\n"); no_multi = 1; break; } @@ -277,8 +289,8 @@ int sr_cd_check(struct cdrom_device_info *cdi) break; } if ((rc = buffer[2]) == 0) { - printk(KERN_WARNING - "%s: No finished session\n", cd->cdi.name); + sr_printk(KERN_WARNING, cd, + "No finished session\n"); break; } cgc.cmd[0] = READ_TOC; /* Read TOC */ @@ -297,13 +309,12 @@ int sr_cd_check(struct cdrom_device_info *cdi) sector = buffer[11] + (buffer[10] << 8) + (buffer[9] << 16) + (buffer[8] << 24); break; -#endif /* CONFIG_BLK_DEV_SR_VENDOR */ default: /* should not happen */ - printk(KERN_WARNING - "%s: unknown vendor code (%i), not initialized ?\n", - cd->cdi.name, cd->vendor); + sr_printk(KERN_WARNING, cd, + "unknown vendor code (%i), not initialized ?\n", + cd->vendor); sector = 0; no_multi = 1; break; @@ -321,8 +332,8 @@ int sr_cd_check(struct cdrom_device_info *cdi) #ifdef DEBUG if (sector) - printk(KERN_DEBUG "%s: multisession offset=%lu\n", - cd->cdi.name, sector); + sr_printk(KERN_DEBUG, cd, "multisession offset=%lu\n", + sector); #endif kfree(buffer); return rc; |