^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include <linux/mm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <linux/fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/blkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/blkpg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/cdrom.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <scsi/scsi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <scsi/scsi_dbg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <scsi/scsi_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <scsi/scsi_eh.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <scsi/scsi_ioctl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <scsi/scsi_cmnd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include "sr.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #if 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) /* The sr_is_xa() seems to trigger firmware bugs with some drives :-(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * It is off by default and can be turned on with this module parameter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static int xa_test = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) module_param(xa_test, int, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* primitive to determine whether we need to have GFP_DMA set based on
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * the status of the unchecked_isa_dma flag in the host structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define SR_GFP_DMA(cd) (((cd)->device->host->unchecked_isa_dma) ? GFP_DMA : 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static int sr_read_tochdr(struct cdrom_device_info *cdi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct cdrom_tochdr *tochdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct scsi_cd *cd = cdi->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct packet_command cgc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) unsigned char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (!buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) memset(&cgc, 0, sizeof(struct packet_command));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) cgc.timeout = IOCTL_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) cgc.cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) cgc.cmd[8] = 12; /* LSB of length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) cgc.buffer = buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) cgc.buflen = 12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) cgc.quiet = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) cgc.data_direction = DMA_FROM_DEVICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) result = sr_do_ioctl(cd, &cgc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) tochdr->cdth_trk0 = buffer[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) tochdr->cdth_trk1 = buffer[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) static int sr_read_tocentry(struct cdrom_device_info *cdi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct cdrom_tocentry *tocentry)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct scsi_cd *cd = cdi->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) struct packet_command cgc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) unsigned char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if (!buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) memset(&cgc, 0, sizeof(struct packet_command));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) cgc.timeout = IOCTL_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) cgc.cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) cgc.cmd[1] |= (tocentry->cdte_format == CDROM_MSF) ? 0x02 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) cgc.cmd[6] = tocentry->cdte_track;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) cgc.cmd[8] = 12; /* LSB of length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) cgc.buffer = buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) cgc.buflen = 12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) cgc.data_direction = DMA_FROM_DEVICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) result = sr_do_ioctl(cd, &cgc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) tocentry->cdte_ctrl = buffer[5] & 0xf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) tocentry->cdte_adr = buffer[5] >> 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) tocentry->cdte_datamode = (tocentry->cdte_ctrl & 0x04) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) if (tocentry->cdte_format == CDROM_MSF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) tocentry->cdte_addr.msf.minute = buffer[9];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) tocentry->cdte_addr.msf.second = buffer[10];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) tocentry->cdte_addr.msf.frame = buffer[11];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) tocentry->cdte_addr.lba = (((((buffer[8] << 8) + buffer[9]) << 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) + buffer[10]) << 8) + buffer[11];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #define IOCTL_RETRIES 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) /* ATAPI drives don't have a SCMD_PLAYAUDIO_TI command. When these drives
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) are emulating a SCSI device via the idescsi module, they need to have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) CDROMPLAYTRKIND commands translated into CDROMPLAYMSF commands for them */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static int sr_fake_playtrkind(struct cdrom_device_info *cdi, struct cdrom_ti *ti)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct cdrom_tocentry trk0_te, trk1_te;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) struct cdrom_tochdr tochdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct packet_command cgc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) int ntracks, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) ret = sr_read_tochdr(cdi, &tochdr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) ntracks = tochdr.cdth_trk1 - tochdr.cdth_trk0 + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (ti->cdti_trk1 == ntracks)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) ti->cdti_trk1 = CDROM_LEADOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) else if (ti->cdti_trk1 != CDROM_LEADOUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) ti->cdti_trk1 ++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) trk0_te.cdte_track = ti->cdti_trk0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) trk0_te.cdte_format = CDROM_MSF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) trk1_te.cdte_track = ti->cdti_trk1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) trk1_te.cdte_format = CDROM_MSF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) ret = sr_read_tocentry(cdi, &trk0_te);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) ret = sr_read_tocentry(cdi, &trk1_te);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) memset(&cgc, 0, sizeof(struct packet_command));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) cgc.cmd[0] = GPCMD_PLAY_AUDIO_MSF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) cgc.cmd[3] = trk0_te.cdte_addr.msf.minute;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) cgc.cmd[4] = trk0_te.cdte_addr.msf.second;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) cgc.cmd[5] = trk0_te.cdte_addr.msf.frame;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) cgc.cmd[6] = trk1_te.cdte_addr.msf.minute;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) cgc.cmd[7] = trk1_te.cdte_addr.msf.second;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) cgc.cmd[8] = trk1_te.cdte_addr.msf.frame;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) cgc.data_direction = DMA_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) cgc.timeout = IOCTL_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) return sr_do_ioctl(cdi->handle, &cgc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) static int sr_play_trkind(struct cdrom_device_info *cdi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) struct cdrom_ti *ti)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) struct scsi_cd *cd = cdi->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) struct packet_command cgc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) memset(&cgc, 0, sizeof(struct packet_command));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) cgc.timeout = IOCTL_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) cgc.cmd[0] = GPCMD_PLAYAUDIO_TI;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) cgc.cmd[4] = ti->cdti_trk0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) cgc.cmd[5] = ti->cdti_ind0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) cgc.cmd[7] = ti->cdti_trk1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) cgc.cmd[8] = ti->cdti_ind1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) cgc.data_direction = DMA_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) result = sr_do_ioctl(cd, &cgc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (result == -EDRIVE_CANT_DO_THIS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) result = sr_fake_playtrkind(cdi, ti);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) /* We do our own retries because we want to know what the specific
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) error code is. Normally the UNIT_ATTENTION code will automatically
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) clear after one error */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) struct scsi_device *SDev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) struct scsi_sense_hdr local_sshdr, *sshdr = &local_sshdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) int result, err = 0, retries = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) SDev = cd->device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (cgc->sshdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) sshdr = cgc->sshdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) retry:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (!scsi_block_when_processing_errors(SDev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) err = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) result = scsi_execute(SDev, cgc->cmd, cgc->data_direction,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) cgc->buffer, cgc->buflen, NULL, sshdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) cgc->timeout, IOCTL_RETRIES, 0, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) /* Minimal error checking. Ignore cases we know about, and report the rest. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) if (driver_byte(result) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) switch (sshdr->sense_key) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) case UNIT_ATTENTION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) SDev->changed = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) if (!cgc->quiet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) sr_printk(KERN_INFO, cd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) "disc change detected.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) if (retries++ < 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) goto retry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) err = -ENOMEDIUM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) case NOT_READY: /* This happens if there is no disc in drive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (sshdr->asc == 0x04 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) sshdr->ascq == 0x01) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) /* sense: Logical unit is in process of becoming ready */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) if (!cgc->quiet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) sr_printk(KERN_INFO, cd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) "CDROM not ready yet.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) if (retries++ < 10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) /* sleep 2 sec and try again */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) ssleep(2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) goto retry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) /* 20 secs are enough? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) err = -ENOMEDIUM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) if (!cgc->quiet)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) sr_printk(KERN_INFO, cd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) "CDROM not ready. Make sure there "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) "is a disc in the drive.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) err = -ENOMEDIUM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) case ILLEGAL_REQUEST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) err = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) if (sshdr->asc == 0x20 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) sshdr->ascq == 0x00)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) /* sense: Invalid command operation code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) err = -EDRIVE_CANT_DO_THIS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) err = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) /* Wake up a process waiting for device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) cgc->stat = err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) /* ---------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) /* interface to cdrom.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) int sr_tray_move(struct cdrom_device_info *cdi, int pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) Scsi_CD *cd = cdi->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) struct packet_command cgc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) memset(&cgc, 0, sizeof(struct packet_command));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) cgc.cmd[0] = GPCMD_START_STOP_UNIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) cgc.cmd[4] = (pos == 0) ? 0x03 /* close */ : 0x02 /* eject */ ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) cgc.data_direction = DMA_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) cgc.timeout = IOCTL_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) return sr_do_ioctl(cd, &cgc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) int sr_lock_door(struct cdrom_device_info *cdi, int lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) Scsi_CD *cd = cdi->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) return scsi_set_medium_removal(cd->device, lock ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) SCSI_REMOVAL_PREVENT : SCSI_REMOVAL_ALLOW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) int sr_drive_status(struct cdrom_device_info *cdi, int slot)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) struct scsi_cd *cd = cdi->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) struct scsi_sense_hdr sshdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) struct media_event_desc med;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) if (CDSL_CURRENT != slot) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) /* we have no changer support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) if (!scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) return CDS_DISC_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) /* SK/ASC/ASCQ of 2/4/1 means "unit is becoming ready" */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) if (scsi_sense_valid(&sshdr) && sshdr.sense_key == NOT_READY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) && sshdr.asc == 0x04 && sshdr.ascq == 0x01)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) return CDS_DRIVE_NOT_READY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if (!cdrom_get_media_event(cdi, &med)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) if (med.media_present)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) return CDS_DISC_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) else if (med.door_open)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) return CDS_TRAY_OPEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) return CDS_NO_DISC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) * SK/ASC/ASCQ of 2/4/2 means "initialization required"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) * Using CD_TRAY_OPEN results in an START_STOP_UNIT to close
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) * the tray, which resolves the initialization requirement.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) if (scsi_sense_valid(&sshdr) && sshdr.sense_key == NOT_READY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) && sshdr.asc == 0x04 && sshdr.ascq == 0x02)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) return CDS_TRAY_OPEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) * 0x04 is format in progress .. but there must be a disc present!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) if (sshdr.sense_key == NOT_READY && sshdr.asc == 0x04)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) return CDS_DISC_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) * If not using Mt Fuji extended media tray reports,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) * just return TRAY_OPEN since ATAPI doesn't provide
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) * any other way to detect this...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) if (scsi_sense_valid(&sshdr) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) /* 0x3a is medium not present */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) sshdr.asc == 0x3a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) return CDS_NO_DISC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) return CDS_TRAY_OPEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) return CDS_DRIVE_NOT_READY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) int sr_disk_status(struct cdrom_device_info *cdi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) Scsi_CD *cd = cdi->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) struct cdrom_tochdr toc_h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) struct cdrom_tocentry toc_e;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) int i, rc, have_datatracks = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) /* look for data tracks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) rc = sr_read_tochdr(cdi, &toc_h);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) return (rc == -ENOMEDIUM) ? CDS_NO_DISC : CDS_NO_INFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) for (i = toc_h.cdth_trk0; i <= toc_h.cdth_trk1; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) toc_e.cdte_track = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) toc_e.cdte_format = CDROM_LBA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) if (sr_read_tocentry(cdi, &toc_e))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) return CDS_NO_INFO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) if (toc_e.cdte_ctrl & CDROM_DATA_TRACK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) have_datatracks = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) if (!have_datatracks)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) return CDS_AUDIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) if (cd->xa_flag)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) return CDS_XA_2_1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) return CDS_DATA_1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) int sr_get_last_session(struct cdrom_device_info *cdi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) struct cdrom_multisession *ms_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) Scsi_CD *cd = cdi->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) ms_info->addr.lba = cd->ms_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) ms_info->xa_flag = cd->xa_flag || cd->ms_offset > 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) int sr_get_mcn(struct cdrom_device_info *cdi, struct cdrom_mcn *mcn)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) Scsi_CD *cd = cdi->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) struct packet_command cgc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) char *buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) if (!buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) memset(&cgc, 0, sizeof(struct packet_command));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) cgc.cmd[0] = GPCMD_READ_SUBCHANNEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) cgc.cmd[2] = 0x40; /* I do want the subchannel info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) cgc.cmd[3] = 0x02; /* Give me medium catalog number info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) cgc.cmd[8] = 24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) cgc.buffer = buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) cgc.buflen = 24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) cgc.data_direction = DMA_FROM_DEVICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) cgc.timeout = IOCTL_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) result = sr_do_ioctl(cd, &cgc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) memcpy(mcn->medium_catalog_number, buffer + 9, 13);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) mcn->medium_catalog_number[13] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) int sr_reset(struct cdrom_device_info *cdi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) int sr_select_speed(struct cdrom_device_info *cdi, int speed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) Scsi_CD *cd = cdi->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) struct packet_command cgc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) if (speed == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) speed = 0xffff; /* set to max */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) speed *= 177; /* Nx to kbyte/s */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) memset(&cgc, 0, sizeof(struct packet_command));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) cgc.cmd[0] = GPCMD_SET_SPEED; /* SET CD SPEED */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) cgc.cmd[2] = (speed >> 8) & 0xff; /* MSB for speed (in kbytes/sec) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) cgc.cmd[3] = speed & 0xff; /* LSB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) cgc.data_direction = DMA_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) cgc.timeout = IOCTL_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) if (sr_do_ioctl(cd, &cgc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) /* ----------------------------------------------------------------------- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) /* this is called by the generic cdrom driver. arg is a _kernel_ pointer, */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) /* because the generic cdrom driver does the user access stuff for us. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) /* only cdromreadtochdr and cdromreadtocentry are left - for use with the */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) /* sr_disk_status interface for the generic cdrom driver. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) int sr_audio_ioctl(struct cdrom_device_info *cdi, unsigned int cmd, void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) switch (cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) case CDROMREADTOCHDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) return sr_read_tochdr(cdi, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) case CDROMREADTOCENTRY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) return sr_read_tocentry(cdi, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) case CDROMPLAYTRKIND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) return sr_play_trkind(cdi, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) /* -----------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) * a function to read all sorts of funny cdrom sectors using the READ_CD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) * scsi-3 mmc command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) * lba: linear block address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) * format: 0 = data (anything)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) * 1 = audio
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) * 2 = data (mode 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) * 3 = data (mode 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) * 4 = data (mode 2 form1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) * 5 = data (mode 2 form2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) * blksize: 2048 | 2336 | 2340 | 2352
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) static int sr_read_cd(Scsi_CD *cd, unsigned char *dest, int lba, int format, int blksize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) struct packet_command cgc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) #ifdef DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) sr_printk(KERN_INFO, cd, "sr_read_cd lba=%d format=%d blksize=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) lba, format, blksize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) memset(&cgc, 0, sizeof(struct packet_command));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) cgc.cmd[0] = GPCMD_READ_CD; /* READ_CD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) cgc.cmd[1] = ((format & 7) << 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) cgc.cmd[2] = (unsigned char) (lba >> 24) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) cgc.cmd[3] = (unsigned char) (lba >> 16) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) cgc.cmd[4] = (unsigned char) (lba >> 8) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) cgc.cmd[5] = (unsigned char) lba & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) cgc.cmd[8] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) switch (blksize) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) case 2336:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) cgc.cmd[9] = 0x58;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) case 2340:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) cgc.cmd[9] = 0x78;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) case 2352:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) cgc.cmd[9] = 0xf8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) cgc.cmd[9] = 0x10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) cgc.buffer = dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) cgc.buflen = blksize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) cgc.data_direction = DMA_FROM_DEVICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) cgc.timeout = IOCTL_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) return sr_do_ioctl(cd, &cgc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) * read sectors with blocksizes other than 2048
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) static int sr_read_sector(Scsi_CD *cd, int lba, int blksize, unsigned char *dest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) struct packet_command cgc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) /* we try the READ CD command first... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) if (cd->readcd_known) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) rc = sr_read_cd(cd, dest, lba, 0, blksize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) if (-EDRIVE_CANT_DO_THIS != rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) cd->readcd_known = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) sr_printk(KERN_INFO, cd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) "CDROM does'nt support READ CD (0xbe) command\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) /* fall & retry the other way */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) /* ... if this fails, we switch the blocksize using MODE SELECT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) if (blksize != cd->device->sector_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) if (0 != (rc = sr_set_blocklength(cd, blksize)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) #ifdef DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) sr_printk(KERN_INFO, cd, "sr_read_sector lba=%d blksize=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) lba, blksize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) memset(&cgc, 0, sizeof(struct packet_command));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) cgc.cmd[0] = GPCMD_READ_10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) cgc.cmd[2] = (unsigned char) (lba >> 24) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) cgc.cmd[3] = (unsigned char) (lba >> 16) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) cgc.cmd[4] = (unsigned char) (lba >> 8) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) cgc.cmd[5] = (unsigned char) lba & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) cgc.cmd[8] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) cgc.buffer = dest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) cgc.buflen = blksize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) cgc.data_direction = DMA_FROM_DEVICE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) cgc.timeout = IOCTL_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) rc = sr_do_ioctl(cd, &cgc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) * read a sector in raw mode to check the sector format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) * ret: 1 == mode2 (XA), 0 == mode1, <0 == error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) int sr_is_xa(Scsi_CD *cd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) unsigned char *raw_sector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) int is_xa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) if (!xa_test)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) raw_sector = kmalloc(2048, GFP_KERNEL | SR_GFP_DMA(cd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) if (!raw_sector)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) if (0 == sr_read_sector(cd, cd->ms_offset + 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) CD_FRAMESIZE_RAW1, raw_sector)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) is_xa = (raw_sector[3] == 0x02) ? 1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) /* read a raw sector failed for some reason. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) is_xa = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) kfree(raw_sector);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) #ifdef DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) sr_printk(KERN_INFO, cd, "sr_is_xa: %d\n", is_xa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) return is_xa;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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