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@ -439,6 +439,17 @@ void mmc_read_atip(struct burn_drive *d)
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struct buffer buf;
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struct command c;
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/* ts A61021 */
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unsigned char *data;
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/* Speed values from A1:
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With 4 cdrecord tells 10 or 8 where MMC-1 says 8.
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cdrecord 8 appear on 4xCD-RW and thus seem to be quite invalid.
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My CD-R (>=24 speed) tell no A1.
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The higher non-MMC-1 values are hearsay.
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*/
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static int speed_value[16]= { 0, 2, 4, 6, 10, -5, 16, -7,
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24, 32, 40, 48, -12, -13, -14, -15};
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mmc_function_spy("mmc_read_atip");
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memcpy(c.opcode, MMC_GET_ATIP, sizeof(MMC_GET_ATIP));
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c.retry = 1;
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@ -450,6 +461,125 @@ void mmc_read_atip(struct burn_drive *d)
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c.dir = FROM_DRIVE;
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d->issue_command(d, &c);
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burn_print(1, "atip shit for you\n");
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/* ts A61021 */
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data = c.page->data;
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d->erasable= !!(data[6]&64);
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d->start_lba= burn_msf_to_lba(data[8],data[9],data[10]);
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d->end_lba= burn_msf_to_lba(data[12],data[13],data[14]);
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if (data[6]&4) {
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if (speed_value[(data[16]>>4)&7] > 0)
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d->mdata->min_write_speed =
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speed_value[(data[16]>>4)&7]*176;
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if (speed_value[(data[16])&15] > 0)
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d->mdata->max_write_speed =
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speed_value[(data[16])&15]*176;
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}
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#ifdef Burn_mmc_be_verbous_about_atiP
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{ int i;
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fprintf(stderr,"libburn_experimental: Returned ATIP Data\n");
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for(i= 0; i<28; i++)
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fprintf(stderr,"%3.3d (0x%2.2x)%s",
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data[i],data[i],((i+1)%5 ? " ":"\n"));
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fprintf(stderr,"\n");
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fprintf(stderr,
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"libburn_experimental: Indicative Target Writing Power= %d\n",
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(data[4]>>4)&7);
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fprintf(stderr,
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"libburn_experimental: Reference speed= %d ->%d\n",
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data[4]&7, speed_value[data[4]&7]);
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fprintf(stderr,
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"libburn_experimental: Is %sunrestricted\n",
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(data[5]&64?"":"not "));
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fprintf(stderr,
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"libburn_experimental: Is %serasable, sub-type %d\n",
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(data[6]&64?"":"not "),(data[6]>>3)&3);
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fprintf(stderr,
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"libburn_experimental: lead in: %d (%-2.2d:%-2.2d/%-2.2d)\n",
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burn_msf_to_lba(data[8],data[9],data[10]),
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data[8],data[9],data[10]);
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fprintf(stderr,
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"libburn_experimental: lead out: %d (%-2.2d:%-2.2d/%-2.2d)\n",
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burn_msf_to_lba(data[12],data[13],data[14]),
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data[12],data[13],data[14]);
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if(data[6]&4)
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fprintf(stderr,
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"libburn_experimental: A1 speed low %d speed high %d\n",
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speed_value[(data[16]>>4)&7], speed_value[(data[16])&7]);
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if(data[6]&2)
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fprintf(stderr,
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"libburn_experimental: A2 speed low %d speed high %d\n",
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speed_value[(data[20]>>4)&7], speed_value[(data[20])&7]);
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if(data[6]&1)
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fprintf(stderr,
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"libburn_experimental: A3 speed low %d speed high %d\n",
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speed_value[(data[24]>>4)&7], speed_value[(data[24])&7]);
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}
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#endif /* Burn_mmc_be_verbous_about_atiP */
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/* ts A61020
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http://www.t10.org/ftp/t10/drafts/mmc/mmc-r10a.pdf , table 77 :
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0 ATIP Data Length MSB
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1 ATIP Data Length LSB
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2 Reserved
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3 Reserved
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4 bit7=1, bit4-6="Indicative Target Writing Power", bit3=reserved ,
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bit0-2="Reference speed"
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5 bit7=0, bit6="URU" , bit0-5=reserved
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6 bit7=1, bit6="Disc Type", bit3-4="Disc Sub-Type",
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bit2="A1", bit1="A2", bit0="A3"
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7 reserved
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8 ATIP Start Time of lead-in (Min)
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9 ATIP Start Time of lead-in (Sec)
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10 ATIP Start Time of lead-in (Frame)
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11 reserved
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12 ATIP Last Possible Start Time of lead-out (Min)
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13 ATIP Last Possible Start Time of lead-out (Sec)
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14 ATIP Last Possible Start Time of lead-out (Frame)
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15 reserved
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16 bit7=0, bit4-6="Lowest Usable CLV Recording speed"
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bit0-3="Highest Usable CLV Recording speed"
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17 bit7=0, bit4-6="Power Multiplication Factor p",
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bit1-3="Target y value of the Modulation/Power function", bit0=reserved
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18 bit7=1, bit4-6="Recommended Erase/Write Power Ratio (P(inf)/W(inf))"
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bit0-3=reserved
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19 reserved
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20-22 A2 Values
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23 reserved
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24-26 A3 Values
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27 reserved
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Disc Type - zero indicates CD-R media; one indicates CD-RW media.
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Disc Sub-Type - shall be set to zero.
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A1 - when set to one, indicates that bytes 16-18 are valid.
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Lowest Usable CLV Recording Speed
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000b Reserved
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001b 2X
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010b - 111b Reserved
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Highest CLV Recording Speeds
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000b Reserved
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001b 2X
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010b 4X
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011b 6X
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100b 8X
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101b - 111b Reserved
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MMC-3 seems to recommend MODE SENSE (5Ah) page 2Ah rather than A1, A2, A3.
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This page is loaded in libburn function spc_sense_caps() .
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Speed is given in kbytes/sec there. But i suspect this to be independent
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of media. So one would habe to associate the speed descriptor blocks with
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the ATIP media characteristics ? How ?
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*/
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}
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void mmc_read_sectors(struct burn_drive *d,
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