1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_GRBEEP_H 27 #define _SYS_GRBEEP_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * grbeep.h : Grover beep driver header file. 37 */ 38 39 /* 40 * beeper start and stop values 41 */ 42 #define GRBEEP_START 0x03 43 #define GRBEEP_STOP 0x00 44 45 /* 46 * beeper control register value 47 */ 48 #define GRBEEP_CONTROL 0xb6 49 50 /* 51 * beeper 8354 input frequency is 1.193 Mhz. 52 * The value to be written in the timer 53 * register is the frequency divisor. 54 * The formula to find freq. divisoer would be 55 * 56 * divisor = GRBEEP_INPUT_FREQ / freq 57 * 58 */ 59 #define GRBEEP_INPUT_FREQ 1193000 60 #define GRBEEP_DIVISOR_MAX 1193000 61 #define GRBEEP_DIVISOR_MIN 18 62 63 /* Mode values */ 64 #define GRBEEP_ON 0x01 65 #define GRBEEP_OFF 0x00 66 67 typedef volatile struct grbeep_freq_regs { 68 69 /* Frequency divisor register */ 70 uint8_t grbeep_freq_regs_divisor; 71 72 /* Freqquency control register */ 73 uint8_t grbeep_freq_regs_control; 74 75 } grbeep_freq_regs_t; 76 77 78 /* 79 * Beep driver state structure 80 */ 81 typedef struct grbeep_state { 82 83 /* Dip of grbeep device */ 84 dev_info_t *grbeep_dip; 85 86 /* Frequency control and frequency divisor registers */ 87 grbeep_freq_regs_t *grbeep_freq_regs; 88 89 /* Frequency control and frequency divisor reg handle */ 90 ddi_acc_handle_t grbeep_freq_regs_handle; 91 92 /* Beep start/stop register */ 93 uint8_t *grbeep_start_stop_reg; 94 95 /* Beep start/stop register handle */ 96 ddi_acc_handle_t grbeep_start_stop_reg_handle; 97 98 /* If beeper is active or not */ 99 int grbeep_mode; 100 101 } grbeep_state_t; 102 103 #define GRBEEP_WRITE_FREQ_CONTROL_REG(val) \ 104 ddi_put8(grbeeptr->grbeep_freq_regs_handle, \ 105 ((uint8_t *)&grbeeptr->grbeep_freq_regs->grbeep_freq_regs_control), \ 106 ((int8_t)(val))) 107 108 #define GRBEEP_WRITE_FREQ_DIVISOR_REG(val) \ 109 ddi_put8(grbeeptr->grbeep_freq_regs_handle, \ 110 ((uint8_t *)&grbeeptr->grbeep_freq_regs->grbeep_freq_regs_divisor), \ 111 ((int8_t)(val))) 112 113 #define GRBEEP_WRITE_START_STOP_REG(val) \ 114 ddi_put8(grbeeptr->grbeep_start_stop_reg_handle, \ 115 ((uint8_t *)grbeeptr->grbeep_start_stop_reg), \ 116 ((int8_t)(val))) 117 118 #define GRBEEP_UNIT(dev) (getminor((dev))) 119 120 #ifdef __cplusplus 121 } 122 #endif 123 124 #endif /* _SYS_GRBEEP_H */ 125