| Server IP : 79.136.114.73 / Your IP : 18.188.127.79 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /lib/modules/3.13.0-49-generic/build/include/linux/ |
Upload File : |
#ifndef _MC6821_H_
#define _MC6821_H_
/*
* This file describes the memery mapping of the MC6821 PIA.
* The unions describe overlayed registers. Which of them is used is
* determined by bit 2 of the corresponding control register.
* this files expects the PIA_REG_PADWIDTH to be defined the numeric
* value of the register spacing.
*
* Data came from MFC-31-Developer Kit (from Ralph Seidel,
* zodiac@darkness.gun.de) and Motorola Data Sheet (from
* Richard Hirst, srh@gpt.co.uk)
*
* 6.11.95 copyright Joerg Dorchain (dorchain@mpi-sb.mpg.de)
*
*/
#ifndef PIA_REG_PADWIDTH
#define PIA_REG_PADWIDTH 255
#endif
struct pia {
union {
volatile u_char pra;
volatile u_char ddra;
} ua;
u_char pad1[PIA_REG_PADWIDTH];
volatile u_char cra;
u_char pad2[PIA_REG_PADWIDTH];
union {
volatile u_char prb;
volatile u_char ddrb;
} ub;
u_char pad3[PIA_REG_PADWIDTH];
volatile u_char crb;
u_char pad4[PIA_REG_PADWIDTH];
};
#define ppra ua.pra
#define pddra ua.ddra
#define pprb ub.prb
#define pddrb ub.ddrb
#define PIA_C1_ENABLE_IRQ (1<<0)
#define PIA_C1_LOW_TO_HIGH (1<<1)
#define PIA_DDR (1<<2)
#define PIA_IRQ2 (1<<6)
#define PIA_IRQ1 (1<<7)
#endif