Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 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 */ |