cm206.h
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上传日期:2013-04-10
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- /* cm206.h Header file for cm206.c.
- Copyright (c) 1995 David van Leeuwen
- */
- #ifndef LINUX_CM206_H
- #define LINUX_CM206_H
- #include <linux/ioctl.h>
- /* First, the cm260 stuff */
- /* The ports and irq used. Although CM206_BASE and CM206_IRQ are defined
- below, the values are not used unless autoprobing is turned off and
- no LILO boot options or module command line options are given. Change
- these values to your own as last resort if autoprobing and options
- don't work. */
- #define CM206_BASE 0x340
- #define CM206_IRQ 11
- #define r_data_status (cm206_base)
- #define r_uart_receive (cm206_base+0x2)
- #define r_fifo_output_buffer (cm206_base+0x4)
- #define r_line_status (cm206_base+0x6)
- #define r_data_control (cm206_base+0x8)
- #define r_uart_transmit (cm206_base+0xa)
- #define r_test_clock (cm206_base+0xc)
- #define r_test_control (cm206_base+0xe)
- /* the data_status flags */
- #define ds_ram_size 0x4000
- #define ds_toc_ready 0x2000
- #define ds_fifo_empty 0x1000
- #define ds_sync_error 0x800
- #define ds_crc_error 0x400
- #define ds_data_error 0x200
- #define ds_fifo_overflow 0x100
- #define ds_data_ready 0x80
- /* the line_status flags */
- #define ls_attention 0x10
- #define ls_parity_error 0x8
- #define ls_overrun 0x4
- #define ls_receive_buffer_full 0x2
- #define ls_transmitter_buffer_empty 0x1
- /* the data control register flags */
- #define dc_read_q_channel 0x4000
- #define dc_mask_sync_error 0x2000
- #define dc_toc_enable 0x1000
- #define dc_no_stop_on_error 0x800
- #define dc_break 0x400
- #define dc_initialize 0x200
- #define dc_mask_transmit_ready 0x100
- #define dc_flag_enable 0x80
- /* Define the default data control register flags here */
- #define dc_normal (dc_mask_sync_error | dc_no_stop_on_error |
- dc_mask_transmit_ready)
- /* now some constants related to the cm206 */
- /* another drive status byte, echoed by the cm206 on most commands */
- #define dsb_error_condition 0x1
- #define dsb_play_in_progress 0x4
- #define dsb_possible_media_change 0x8
- #define dsb_disc_present 0x10
- #define dsb_drive_not_ready 0x20
- #define dsb_tray_locked 0x40
- #define dsb_tray_not_closed 0x80
- #define dsb_not_useful (dsb_drive_not_ready | dsb_tray_not_closed)
- /* the cm206 command set */
- #define c_close_tray 0
- #define c_lock_tray 0x01
- #define c_unlock_tray 0x04
- #define c_open_tray 0x05
- #define c_seek 0x10
- #define c_read_data 0x20
- #define c_force_1x 0x21
- #define c_force_2x 0x22
- #define c_auto_mode 0x23
- #define c_play 0x30
- #define c_set_audio_mode 0x31
- #define c_read_current_q 0x41
- #define c_stream_q 0x42
- #define c_drive_status 0x50
- #define c_disc_status 0x51
- #define c_audio_status 0x52
- #define c_drive_configuration 0x53
- #define c_read_upc 0x60
- #define c_stop 0x70
- #define c_calc_checksum 0xe5
- #define c_gimme 0xf8
- /* finally, the (error) condition that the drive can be in *
- * OK, this is not always an error, but let's prefix it with e_ */
- #define e_none 0
- #define e_illegal_command 0x01
- #define e_sync 0x02
- #define e_seek 0x03
- #define e_parity 0x04
- #define e_focus 0x05
- #define e_header_sync 0x06
- #define e_code_incompatibility 0x07
- #define e_reset_done 0x08
- #define e_bad_parameter 0x09
- #define e_radial 0x0a
- #define e_sub_code 0x0b
- #define e_no_data_track 0x0c
- #define e_scan 0x0d
- #define e_tray_open 0x0f
- #define e_no_disc 0x10
- #define e_tray stalled 0x11
- /* drive configuration masks */
- #define dcf_revision_code 0x7
- #define dcf_transfer_rate 0x60
- #define dcf_motorized_tray 0x80
- /* disc status byte */
- #define cds_multi_session 0x2
- #define cds_all_audio 0x8
- #define cds_xa_mode 0xf0
- /* finally some ioctls for the driver */
- #define CM206CTL_GET_STAT _IO( 0x20, 0 )
- #define CM206CTL_GET_LAST_STAT _IO( 0x20, 1 )
- #ifdef STATISTICS
- /* This is an ugly way to guarantee that the names of the statistics
- * are the same in the code and in the diagnostics program. */
- #ifdef __KERNEL__
- #define x(a) st_ ## a
- #define y enum
- #else
- #define x(a) #a
- #define y char * stats_name[] =
- #endif
- y {x(interrupt), x(data_ready), x(fifo_overflow), x(data_error),
- x(crc_error), x(sync_error), x(lost_intr), x(echo),
- x(write_timeout), x(receive_timeout), x(read_timeout),
- x(dsb_timeout), x(stop_0xff), x(back_read_timeout),
- x(sector_transferred), x(read_restarted), x(read_background),
- x(bh), x(open), x(ioctl_multisession), x(attention)
- #ifdef __KERNEL__
- , x(last_entry)
- #endif
- };
- #ifdef __KERNEL__
- #define NR_STATS st_last_entry
- #else
- #define NR_STATS (sizeof(stats_name)/sizeof(char*))
- #endif
- #undef y
- #undef x
- #endif /* STATISTICS */
- #endif /* LINUX_CM206_H */