drivers/cdrom/cm206.h

   1 /* cm206.h Header file for cm206.c.
   2    Copyright (c) 1995 David van Leeuwen
   3 */
   4
   5 #ifndef LINUX_CM206_H
   6 #define LINUX_CM206_H
   7
   8 #include <linux/ioctl.h>
   9
  10 /* First, the cm260 stuff */
  11 /* The ports and irq used. Although CM206_BASE and CM206_IRQ are defined
  12    below, the values are not used unless autoprobing is turned off and
  13    no LILO boot options or module command line options are given. Change
  14    these values to your own as last resort if autoprobing and options
  15    don't work. */
  16
  17 #define CM206_BASE 0x340
  18 #define CM206_IRQ 11
  19
  20 #define r_data_status (cm206_base)
  21 #define r_uart_receive (cm206_base+0x2)
  22 #define r_fifo_output_buffer (cm206_base+0x4)
  23 #define r_line_status (cm206_base+0x6)
  24 #define r_data_control (cm206_base+0x8)
  25 #define r_uart_transmit (cm206_base+0xa)
  26 #define r_test_clock (cm206_base+0xc)
  27 #define r_test_control (cm206_base+0xe)
  28
  29 /* the data_status flags */
  30 #define ds_ram_size 0x4000
  31 #define ds_toc_ready 0x2000
  32 #define ds_fifo_empty 0x1000
  33 #define ds_sync_error 0x800
  34 #define ds_crc_error 0x400
  35 #define ds_data_error 0x200
  36 #define ds_fifo_overflow 0x100
  37 #define ds_data_ready 0x80
  38
  39 /* the line_status flags */
  40 #define ls_attention 0x10
  41 #define ls_parity_error 0x8
  42 #define ls_overrun 0x4
  43 #define ls_receive_buffer_full 0x2
  44 #define ls_transmitter_buffer_empty 0x1
  45
  46 /* the data control register flags */
  47 #define dc_read_q_channel 0x4000
  48 #define dc_mask_sync_error 0x2000
  49 #define dc_toc_enable 0x1000
  50 #define dc_no_stop_on_error 0x800
  51 #define dc_break 0x400
  52 #define dc_initialize 0x200
  53 #define dc_mask_transmit_ready 0x100
  54 #define dc_flag_enable 0x80
  55
  56 /* Define the default data control register flags here */
  57 #define dc_normal (dc_mask_sync_error | dc_no_stop_on_error | \
  58                    dc_mask_transmit_ready)
  59
  60 /* now some constants related to the cm206 */
  61 /* another drive status byte, echoed by the cm206 on most commands */
  62
  63 #define dsb_error_condition 0x1
  64 #define dsb_play_in_progress 0x4
  65 #define dsb_possible_media_change 0x8
  66 #define dsb_disc_present 0x10
  67 #define dsb_drive_not_ready 0x20
  68 #define dsb_tray_locked 0x40
  69 #define dsb_tray_not_closed 0x80
  70
  71 #define dsb_not_useful (dsb_drive_not_ready | dsb_tray_not_closed)
  72
  73 /* the cm206 command set */
  74
  75 #define c_close_tray 0
  76 #define c_lock_tray 0x01
  77 #define c_unlock_tray 0x04
  78 #define c_open_tray 0x05
  79 #define c_seek 0x10
  80 #define c_read_data 0x20
  81 #define c_force_1x 0x21
  82 #define c_force_2x 0x22
  83 #define c_auto_mode 0x23
  84 #define c_play 0x30
  85 #define c_set_audio_mode 0x31
  86 #define c_read_current_q 0x41
  87 #define c_stream_q 0x42
  88 #define c_drive_status 0x50
  89 #define c_disc_status 0x51
  90 #define c_audio_status 0x52
  91 #define c_drive_configuration 0x53
  92 #define c_read_upc 0x60
  93 #define c_stop 0x70
  94 #define c_calc_checksum 0xe5
  95
  96 #define c_gimme 0xf8
  97
  98 /* finally, the (error) condition that the drive can be in      *
  99  * OK, this is not always an error, but let's prefix it with e_ */
 100
 101 #define e_none 0
 102 #define e_illegal_command 0x01
 103 #define e_sync 0x02
 104 #define e_seek 0x03
 105 #define e_parity 0x04
 106 #define e_focus 0x05
 107 #define e_header_sync 0x06
 108 #define e_code_incompatibility 0x07
 109 #define e_reset_done 0x08
 110 #define e_bad_parameter 0x09
 111 #define e_radial 0x0a
 112 #define e_sub_code 0x0b
 113 #define e_no_data_track 0x0c
 114 #define e_scan 0x0d
 115 #define e_tray_open 0x0f
 116 #define e_no_disc 0x10
 117 #define e_tray stalled 0x11
 118
 119 /* drive configuration masks */
 120
 121 #define dcf_revision_code 0x7
 122 #define dcf_transfer_rate 0x60
 123 #define dcf_motorized_tray 0x80
 124
 125 /* disc status byte */
 126
 127 #define cds_multi_session 0x2
 128 #define cds_all_audio 0x8
 129 #define cds_xa_mode 0xf0
 130
 131 /* finally some ioctls for the driver */
 132
 133 #define CM206CTL_GET_STAT _IO( 0x20, 0 )
 134 #define CM206CTL_GET_LAST_STAT _IO( 0x20, 1 )
 135
 136 #ifdef STATISTICS
 137
 138 /* This is an ugly way to guarantee that the names of the statistics
 139  * are the same in the code and in the diagnostics program.  */
 140
 141 #ifdef __KERNEL__
 142 #define x(a) st_ ## a
 143 #define y enum
 144 #else
 145 #define x(a) #a
 146 #define y char * stats_name[] =
 147 #endif
 148
 149 y {x(interrupt), x(data_ready), x(fifo_overflow), x(data_error),
 150      x(crc_error), x(sync_error), x(lost_intr), x(echo),
 151      x(write_timeout), x(receive_timeout), x(read_timeout),
 152      x(dsb_timeout), x(stop_0xff), x(back_read_timeout),
 153      x(sector_transferred), x(read_restarted), x(read_background),
 154      x(bh), x(open), x(ioctl_multisession), x(attention)
 155 #ifdef __KERNEL__
 156      , x(last_entry)
 157 #endif
 158  };
 159
 160 #ifdef __KERNEL__
 161 #define NR_STATS st_last_entry
 162 #else
 163 #define NR_STATS (sizeof(stats_name)/sizeof(char*))
 164 #endif
 165
 166 #undef y
 167 #undef x
 168
 169 #endif /* STATISTICS */
 170
 171 #endif /* LINUX_CM206_H */