patch-2.1.70 linux/drivers/cdrom/cm206.h

• Lines: 172
• Date: Tue Dec 2 11:41:44 1997
• Orig file: v2.1.69/linux/drivers/cdrom/cm206.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.69/linux/drivers/cdrom/cm206.h linux/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