Add routine to report MMC capabilities of a drive. Add that to the

cd-drive program.

example/Makefile.am

@@ -1,4 +1,4 @@
-#   $Id: Makefile.am,v 1.22 2005/04/30 02:04:29 rocky Exp $
+#   $Id: Makefile.am,v 1.23 2005/04/30 09:42:37 rocky Exp $
 #
 #    Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
 #
@@ -24,7 +24,8 @@ if !DISABLE_CPP
 SUBDIRS =  C++
 endif
 noinst_PROGRAMS = audio cdtext device drives iso1 iso2 iso3 isofuzzy \
-	          mmc1 mmc2 paranoia paranoia2 tracks sample3 sample4 
+	          mmc1 mmc2 paranoia paranoia2 tracks \
+	          sample3 sample4 
 
 INCLUDES = -I$(top_srcdir) $(LIBCDIO_CFLAGS)
 

include/cdio/mmc.h

@@ -1,5 +1,5 @@
 /*
-    $Id: mmc.h,v 1.19 2005/03/21 09:19:06 rocky Exp $
+    $Id: mmc.h,v 1.20 2005/04/30 09:42:37 rocky Exp $
 
     Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
 
@@ -498,6 +498,20 @@ mmc_audio_read_subchannel (CdIo_t *p_cdio,
                            /*out*/ cdio_drive_write_cap_t *p_write_cap,
                            /*out*/ cdio_drive_misc_cap_t  *p_misc_cap);
   
+  typedef enum {
+    CDIO_MMC_LEVEL_WEIRD,
+    CDIO_MMC_LEVEL_1,
+    CDIO_MMC_LEVEL_2,
+    CDIO_MMC_LEVEL_3,
+    CDIO_MMC_LEVEL_NONE
+  } cdio_mmc_level_t;
+  
+  /*!
+    Get the MMC level supported by the device.
+  */
+  cdio_mmc_level_t mmc_get_drive_mmc_cap(CdIo_t *p_cdio);
+  
+
   /*! 
     Get the DVD type associated with cd object.
     
@@ -546,7 +560,7 @@ mmc_audio_read_subchannel (CdIo_t *p_cdio,
   /*!
     Report if CD-ROM has a praticular kind of interface (ATAPI, SCSCI, ...)
     Is it possible for an interface to have serveral? If not this 
-    routine could probably return the sincle mmc_feature_interface_t.
+    routine could probably return the single mmc_feature_interface_t.
     @return true if we have the interface and false if not.
   */
   bool_3way_t mmc_have_interface( CdIo_t *p_cdio, 

lib/driver/libcdio.sym

@@ -168,6 +168,7 @@ mmc_audio_state2str
 mmc_eject_media
 mmc_get_blocksize
 mmc_get_discmode
+mmc_get_drive_mmc_cap
 mmc_get_dvd_struct_physical
 mmc_get_cmd_len
 mmc_get_media_changed

lib/driver/mmc.c

@@ -1,6 +1,6 @@
 /*  Common Multimedia Command (MMC) routines.
 
-    $Id: mmc.c,v 1.25 2005/03/23 11:15:25 rocky Exp $
+    $Id: mmc.c,v 1.26 2005/04/30 09:42:37 rocky Exp $
 
     Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
 
@@ -731,6 +731,36 @@ mmc_get_drive_cap (CdIo_t *p_cdio,
   return;
 }
 
+/*!
+  Get the MMC level supported by the device.
+*/
+cdio_mmc_level_t
+mmc_get_drive_mmc_cap(CdIo_t *p_cdio) 
+{
+  uint8_t buf[256] = { 0, };
+  uint8_t len;
+  int rc = mmc_mode_sense(p_cdio, buf, sizeof(buf), 
+			  CDIO_MMC_CAPABILITIES_PAGE);
+
+  if (DRIVER_OP_SUCCESS != rc) {
+    return CDIO_MMC_LEVEL_NONE;
+  }
+  
+  len = buf[1];
+  if (16 > len) {
+    return CDIO_MMC_LEVEL_WEIRD;
+  } else if (28 <= len) {
+    return CDIO_MMC_LEVEL_3;
+  } else if (24 <= len) {
+    return CDIO_MMC_LEVEL_2;
+    printf("MMC 2");
+  } else if (20 <= len) {
+    return CDIO_MMC_LEVEL_1;
+  } else {
+    return CDIO_MMC_LEVEL_WEIRD;
+  }
+}
+
 /*! 
   Get the DVD type associated with cd object.
 */

src/cd-drive.c

@@ -1,5 +1,5 @@
 /*
-  $Id: cd-drive.c,v 1.19 2005/04/11 01:37:38 rocky Exp $
+  $Id: cd-drive.c,v 1.20 2005/04/30 09:42:37 rocky Exp $
 
   Copyright (C) 2004, 2005 Rocky Bernstein <rocky@panix.com>
   
@@ -146,6 +146,34 @@ _log_handler (cdio_log_level_t level, const char message[])
   gl_default_cdio_log_handler (level, message);
 }
 
+/*! Prints out SCSI-MMC drive features  */
+static void 
+print_mmc_drive_level(CdIo_t *p_cdio)
+{
+  cdio_mmc_level_t mmc_level = mmc_get_drive_mmc_cap(p_cdio);
+    
+  printf( "CD-ROM drive supports " );
+
+  switch(mmc_level) {
+  case CDIO_MMC_LEVEL_WEIRD:
+    printf("some nonstandard or degenerate set of MMC\n");
+    break;
+  case CDIO_MMC_LEVEL_1:
+    printf("MMC 1\n");
+    break;
+  case CDIO_MMC_LEVEL_2:
+    printf("MMC 2\n");
+    break;
+  case CDIO_MMC_LEVEL_3:
+    printf("MMC 3\n");
+    break;
+  case CDIO_MMC_LEVEL_NONE:
+    printf("no MMC\n");
+    break;
+  }
+  printf("\n");
+}
+
 /* Initialize global variables. */
 static void 
 init(void) 
@@ -228,6 +256,8 @@ main(int argc, const char *argv[])
 	cdio_hwinfo_t          hwinfo;
 	CdIo_t *p_cdio = cdio_open(*ppsz_cd, driver_id); 
 
+	print_mmc_drive_level(p_cdio);
+
 	printf("%28s: %s\n", "Drive", *ppsz_cd);
 
 	if (p_cdio) {