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 */ 172