claunia/libcdio-osx
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Yet more alternate "_generic" to simplify CD-ROM drivers (like all of them

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except Windows) were there is in fact only one MMC passthrough command.
This commit is contained in:
rocky
2004-07-27 02:45:16 +00:00
parent 8e3c103b71
commit c0c0077f3d
4 changed files with 167 additions and 124 deletions
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111
lib/scsi_mmc.c
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@@ -1,6 +1,6 @@
/* Common SCSI Multimedia Command (MMC) routines.
$Id: scsi_mmc.c,v 1.12 2004/07/27 01:06:02 rocky Exp $
$Id: scsi_mmc.c,v 1.13 2004/07/27 02:45:16 rocky Exp $
Copyright (C) 2004 Rocky Bernstein <rocky@panix.com>
@@ -42,10 +42,10 @@
capabilities.
*/
void
scsi_mmc_get_drive_cap(const uint8_t *p,
/*out*/ cdio_drive_read_cap_t *p_read_cap,
/*out*/ cdio_drive_write_cap_t *p_write_cap,
/*out*/ cdio_drive_misc_cap_t *p_misc_cap)
scsi_mmc_get_drive_cap_buf(const uint8_t *p,
/*out*/ cdio_drive_read_cap_t *p_read_cap,
/*out*/ cdio_drive_write_cap_t *p_write_cap,
/*out*/ cdio_drive_misc_cap_t *p_misc_cap)
{
/* Reader */
if (p[2] & 0x01) *p_read_cap |= CDIO_DRIVE_CAP_READ_CD_R;
@@ -234,12 +234,102 @@ scsi_mmc_set_bsize ( const CdIo *cdio, unsigned int bsize)
scsi_mmc_set_bsize_private (cdio->env, cdio->op.run_scsi_mmc_cmd, bsize);
}
/*!
Return the the kind of drive capabilities of device.
*/
void
scsi_mmc_get_drive_cap_private (const void *p_env,
const scsi_mmc_run_cmd_fn_t run_scsi_mmc_cmd,
/*out*/ cdio_drive_read_cap_t *p_read_cap,
/*out*/ cdio_drive_write_cap_t *p_write_cap,
/*out*/ cdio_drive_misc_cap_t *p_misc_cap)
{
scsi_mmc_cdb_t cdb = {{0, }};
int i_status;
uint8_t buf[192] = { 0, };
if ( ! p_env || ! run_scsi_mmc_cmd )
return;
CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_MODE_SENSE_10);
cdb.field[1] = 0x0;
cdb.field[2] = CDIO_MMC_ALL_PAGES;
cdb.field[7] = 0x01;
cdb.field[8] = 0x00;
i_status = run_scsi_mmc_cmd (p_env, DEFAULT_TIMEOUT_MS,
scsi_mmc_get_cmd_len(cdb.field[0]),
&cdb, SCSI_MMC_DATA_READ,
sizeof(buf), &buf);
if (0 == i_status) {
uint8_t *p;
int lenData = ((unsigned int)buf[0] << 8) + buf[1];
uint8_t *pMax = buf + 256;
*p_read_cap = 0;
*p_write_cap = 0;
*p_misc_cap = 0;
/* set to first sense mask, and then walk through the masks */
p = buf + 8;
while( (p < &(buf[2+lenData])) && (p < pMax) ) {
uint8_t which;
which = p[0] & 0x3F;
switch( which )
{
case CDIO_MMC_AUDIO_CTL_PAGE:
case CDIO_MMC_R_W_ERROR_PAGE:
case CDIO_MMC_CDR_PARMS_PAGE:
/* Don't handle these yet. */
break;
case CDIO_MMC_CAPABILITIES_PAGE:
scsi_mmc_get_drive_cap_buf(p, p_read_cap, p_write_cap, p_misc_cap);
break;
default: ;
}
p += (p[1] + 2);
}
} else {
cdio_info("%s: %s\n", "error in MODE_SELECT", strerror(errno));
*p_read_cap = CDIO_DRIVE_CAP_ERROR;
*p_write_cap = CDIO_DRIVE_CAP_ERROR;
*p_misc_cap = CDIO_DRIVE_CAP_ERROR;
}
return;
}
void
scsi_mmc_get_drive_cap (const CdIo *p_cdio,
/*out*/ cdio_drive_read_cap_t *p_read_cap,
/*out*/ cdio_drive_write_cap_t *p_write_cap,
/*out*/ cdio_drive_misc_cap_t *p_misc_cap)
{
if ( ! p_cdio ) return;
scsi_mmc_get_drive_cap_private (p_cdio->env,
p_cdio->op.run_scsi_mmc_cmd,
p_read_cap, p_write_cap, p_misc_cap);
}
void
scsi_mmc_get_drive_cap_generic (const void *p_user_data,
/*out*/ cdio_drive_read_cap_t *p_read_cap,
/*out*/ cdio_drive_write_cap_t *p_write_cap,
/*out*/ cdio_drive_misc_cap_t *p_misc_cap)
{
const generic_img_private_t *p_env = p_user_data;
scsi_mmc_get_drive_cap( p_env->cdio,
p_read_cap, p_write_cap, p_misc_cap );
}
/*!
Get the DVD type associated with cd object.
*/
discmode_t
scsi_mmc_get_dvd_struct_physical_private ( void *p_env,
const scsi_mmc_run_cmd_fn_t run_scsi_mmc_cmd,
scsi_mmc_get_dvd_struct_physical_private ( void *p_env, const
scsi_mmc_run_cmd_fn_t run_scsi_mmc_cmd,
cdio_dvd_struct_t *s)
{
scsi_mmc_cdb_t cdb = {{0, }};
@@ -349,6 +439,13 @@ scsi_mmc_get_mcn ( const CdIo *p_cdio )
p_cdio->op.run_scsi_mmc_cmd );
}
char *
scsi_mmc_get_mcn_generic (const void *p_user_data)
{
const generic_img_private_t *p_env = p_user_data;
return scsi_mmc_get_mcn( p_env->cdio );
}
/*
Read cdtext information for a CdIo object .