diff options
Diffstat (limited to 'drivers/cdrom/cm206.h')
| -rw-r--r-- | drivers/cdrom/cm206.h | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/drivers/cdrom/cm206.h b/drivers/cdrom/cm206.h new file mode 100644 index 0000000..0ae51c1 --- /dev/null +++ b/drivers/cdrom/cm206.h @@ -0,0 +1,171 @@ +/* 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 */ |
