1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * w1_smem.c 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net> 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <asm/types.h> 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #include <linux/kernel.h> 11*4882a593Smuzhiyun #include <linux/module.h> 12*4882a593Smuzhiyun #include <linux/moduleparam.h> 13*4882a593Smuzhiyun #include <linux/device.h> 14*4882a593Smuzhiyun #include <linux/types.h> 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #include <linux/w1.h> 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #define W1_FAMILY_SMEM_01 0x01 19*4882a593Smuzhiyun #define W1_FAMILY_SMEM_81 0x81 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun static struct w1_family w1_smem_family_01 = { 22*4882a593Smuzhiyun .fid = W1_FAMILY_SMEM_01, 23*4882a593Smuzhiyun }; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun static struct w1_family w1_smem_family_81 = { 26*4882a593Smuzhiyun .fid = W1_FAMILY_SMEM_81, 27*4882a593Smuzhiyun }; 28*4882a593Smuzhiyun w1_smem_init(void)29*4882a593Smuzhiyunstatic int __init w1_smem_init(void) 30*4882a593Smuzhiyun { 31*4882a593Smuzhiyun int err; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun err = w1_register_family(&w1_smem_family_01); 34*4882a593Smuzhiyun if (err) 35*4882a593Smuzhiyun return err; 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun err = w1_register_family(&w1_smem_family_81); 38*4882a593Smuzhiyun if (err) { 39*4882a593Smuzhiyun w1_unregister_family(&w1_smem_family_01); 40*4882a593Smuzhiyun return err; 41*4882a593Smuzhiyun } 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun return 0; 44*4882a593Smuzhiyun } 45*4882a593Smuzhiyun w1_smem_fini(void)46*4882a593Smuzhiyunstatic void __exit w1_smem_fini(void) 47*4882a593Smuzhiyun { 48*4882a593Smuzhiyun w1_unregister_family(&w1_smem_family_01); 49*4882a593Smuzhiyun w1_unregister_family(&w1_smem_family_81); 50*4882a593Smuzhiyun } 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun module_init(w1_smem_init); 53*4882a593Smuzhiyun module_exit(w1_smem_fini); 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>"); 56*4882a593Smuzhiyun MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, 64bit memory family."); 57*4882a593Smuzhiyun MODULE_LICENSE("GPL"); 58*4882a593Smuzhiyun MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_01)); 59*4882a593Smuzhiyun MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_81)); 60