| 1 | #ifndef __DANUBE_GPTU_DEV_H__2005_07_26__10_19__ |
| 2 | #define __DANUBE_GPTU_DEV_H__2005_07_26__10_19__ |
| 3 | |
| 4 | |
| 5 | /****************************************************************************** |
| 6 | Copyright (c) 2002, Infineon Technologies. All rights reserved. |
| 7 | |
| 8 | No Warranty |
| 9 | Because the program is licensed free of charge, there is no warranty for |
| 10 | the program, to the extent permitted by applicable law. Except when |
| 11 | otherwise stated in writing the copyright holders and/or other parties |
| 12 | provide the program "as is" without warranty of any kind, either |
| 13 | expressed or implied, including, but not limited to, the implied |
| 14 | warranties of merchantability and fitness for a particular purpose. The |
| 15 | entire risk as to the quality and performance of the program is with |
| 16 | you. should the program prove defective, you assume the cost of all |
| 17 | necessary servicing, repair or correction. |
| 18 | |
| 19 | In no event unless required by applicable law or agreed to in writing |
| 20 | will any copyright holder, or any other party who may modify and/or |
| 21 | redistribute the program as permitted above, be liable to you for |
| 22 | damages, including any general, special, incidental or consequential |
| 23 | damages arising out of the use or inability to use the program |
| 24 | (including but not limited to loss of data or data being rendered |
| 25 | inaccurate or losses sustained by you or third parties or a failure of |
| 26 | the program to operate with any other programs), even if such holder or |
| 27 | other party has been advised of the possibility of such damages. |
| 28 | ******************************************************************************/ |
| 29 | |
| 30 | |
| 31 | /* |
| 32 | * #################################### |
| 33 | * Definition |
| 34 | * #################################### |
| 35 | */ |
| 36 | |
| 37 | /* |
| 38 | * Available Timer/Counter Index |
| 39 | */ |
| 40 | #define TIMER(n, X) (n * 2 + (X ? 1 : 0)) |
| 41 | #define TIMER_ANY 0x00 |
| 42 | #define TIMER1A TIMER(1, 0) |
| 43 | #define TIMER1B TIMER(1, 1) |
| 44 | #define TIMER2A TIMER(2, 0) |
| 45 | #define TIMER2B TIMER(2, 1) |
| 46 | #define TIMER3A TIMER(3, 0) |
| 47 | #define TIMER3B TIMER(3, 1) |
| 48 | |
| 49 | /* |
| 50 | * Flag of Timer/Counter |
| 51 | * These flags specify the way in which timer is configured. |
| 52 | */ |
| 53 | /* Bit size of timer/counter. */ |
| 54 | #define TIMER_FLAG_16BIT 0x0000 |
| 55 | #define TIMER_FLAG_32BIT 0x0001 |
| 56 | /* Switch between timer and counter. */ |
| 57 | #define TIMER_FLAG_TIMER 0x0000 |
| 58 | #define TIMER_FLAG_COUNTER 0x0002 |
| 59 | /* Stop or continue when overflowing/underflowing. */ |
| 60 | #define TIMER_FLAG_ONCE 0x0000 |
| 61 | #define TIMER_FLAG_CYCLIC 0x0004 |
| 62 | /* Count up or counter down. */ |
| 63 | #define TIMER_FLAG_UP 0x0000 |
| 64 | #define TIMER_FLAG_DOWN 0x0008 |
| 65 | /* Count on specific level or edge. */ |
| 66 | #define TIMER_FLAG_HIGH_LEVEL_SENSITIVE 0x0000 |
| 67 | #define TIMER_FLAG_LOW_LEVEL_SENSITIVE 0x0040 |
| 68 | #define TIMER_FLAG_RISE_EDGE 0x0010 |
| 69 | #define TIMER_FLAG_FALL_EDGE 0x0020 |
| 70 | #define TIMER_FLAG_ANY_EDGE 0x0030 |
| 71 | /* Signal is syncronous to module clock or not. */ |
| 72 | #define TIMER_FLAG_UNSYNC 0x0000 |
| 73 | #define TIMER_FLAG_SYNC 0x0080 |
| 74 | /* Different interrupt handle type. */ |
| 75 | #define TIMER_FLAG_NO_HANDLE 0x0000 |
| 76 | #if defined(__KERNEL__) |
| 77 | #define TIMER_FLAG_CALLBACK_IN_IRQ 0x0100 |
| 78 | #endif // defined(__KERNEL__) |
| 79 | #define TIMER_FLAG_SIGNAL 0x0300 |
| 80 | /* Internal clock source or external clock source */ |
| 81 | #define TIMER_FLAG_INT_SRC 0x0000 |
| 82 | #define TIMER_FLAG_EXT_SRC 0x1000 |
| 83 | |
| 84 | |
| 85 | /* |
| 86 | * ioctl Command |
| 87 | */ |
| 88 | #define GPTU_REQUEST_TIMER 0x01 /* General method to setup timer/counter. */ |
| 89 | #define GPTU_FREE_TIMER 0x02 /* Free timer/counter. */ |
| 90 | #define GPTU_START_TIMER 0x03 /* Start or resume timer/counter. */ |
| 91 | #define GPTU_STOP_TIMER 0x04 /* Suspend timer/counter. */ |
| 92 | #define GPTU_GET_COUNT_VALUE 0x05 /* Get current count value. */ |
| 93 | #define GPTU_CALCULATE_DIVIDER 0x06 /* Calculate timer divider from given freq.*/ |
| 94 | #define GPTU_SET_TIMER 0x07 /* Simplified method to setup timer. */ |
| 95 | #define GPTU_SET_COUNTER 0x08 /* Simplified method to setup counter. */ |
| 96 | |
| 97 | /* |
| 98 | * Data Type Used to Call ioctl |
| 99 | */ |
| 100 | struct gptu_ioctl_param { |
| 101 | unsigned int timer; /* In command GPTU_REQUEST_TIMER, GPTU_SET_TIMER, and * |
| 102 | * GPTU_SET_COUNTER, this field is ID of expected * |
| 103 | * timer/counter. If it's zero, a timer/counter would * |
| 104 | * be dynamically allocated and ID would be stored in * |
| 105 | * this field. * |
| 106 | * In command GPTU_GET_COUNT_VALUE, this field is * |
| 107 | * ignored. * |
| 108 | * In other command, this field is ID of timer/counter * |
| 109 | * allocated. */ |
| 110 | unsigned int flag; /* In command GPTU_REQUEST_TIMER, GPTU_SET_TIMER, and * |
| 111 | * GPTU_SET_COUNTER, this field contains flags to * |
| 112 | * specify how to configure timer/counter. * |
| 113 | * In command GPTU_START_TIMER, zero indicate start * |
| 114 | * and non-zero indicate resume timer/counter. * |
| 115 | * In other command, this field is ignored. */ |
| 116 | unsigned long value; /* In command GPTU_REQUEST_TIMER, this field contains * |
| 117 | * init/reload value. * |
| 118 | * In command GPTU_SET_TIMER, this field contains * |
| 119 | * frequency (0.001Hz) of timer. * |
| 120 | * In command GPTU_GET_COUNT_VALUE, current count * |
| 121 | * value would be stored in this field. * |
| 122 | * In command GPTU_CALCULATE_DIVIDER, this field * |
| 123 | * contains frequency wanted, and after calculation, * |
| 124 | * divider would be stored in this field to overwrite * |
| 125 | * the frequency. * |
| 126 | * In other command, this field is ignored. */ |
| 127 | int pid; /* In command GPTU_REQUEST_TIMER and GPTU_SET_TIMER, * |
| 128 | * if signal is required, this field contains process * |
| 129 | * ID to which signal would be sent. * |
| 130 | * In other command, this field is ignored. */ |
| 131 | int sig; /* In command GPTU_REQUEST_TIMER and GPTU_SET_TIMER, * |
| 132 | * if signal is required, this field contains signal * |
| 133 | * number which would be sent. * |
| 134 | * In other command, this field is ignored. */ |
| 135 | }; |
| 136 | |
| 137 | /* |
| 138 | * #################################### |
| 139 | * Data Type |
| 140 | * #################################### |
| 141 | */ |
| 142 | typedef void (*timer_callback)(unsigned long arg); |
| 143 | |
| 144 | extern int ifxmips_request_timer(unsigned int, unsigned int, unsigned long, unsigned long, unsigned long); |
| 145 | extern int ifxmips_free_timer(unsigned int); |
| 146 | extern int ifxmips_start_timer(unsigned int, int); |
| 147 | extern int ifxmips_stop_timer(unsigned int); |
| 148 | extern int ifxmips_reset_counter_flags(u32 timer, u32 flags); |
| 149 | extern int ifxmips_get_count_value(unsigned int, unsigned long *); |
| 150 | extern u32 ifxmips_cal_divider(unsigned long); |
| 151 | extern int ifxmips_set_timer(unsigned int, unsigned int, int, int, unsigned int, unsigned long, unsigned long); |
| 152 | extern int ifxmips_set_counter(unsigned int timer, unsigned int flag, |
| 153 | u32 reload, unsigned long arg1, unsigned long arg2); |
| 154 | |
| 155 | #endif /* __DANUBE_GPTU_DEV_H__2005_07_26__10_19__ */ |
| 156 | |
