162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * w1_smem.c 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net> 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#include <asm/types.h> 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci#include <linux/kernel.h> 1162306a36Sopenharmony_ci#include <linux/module.h> 1262306a36Sopenharmony_ci#include <linux/moduleparam.h> 1362306a36Sopenharmony_ci#include <linux/device.h> 1462306a36Sopenharmony_ci#include <linux/types.h> 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ci#include <linux/w1.h> 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci#define W1_FAMILY_SMEM_01 0x01 1962306a36Sopenharmony_ci#define W1_FAMILY_SMEM_81 0x81 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_cistatic struct w1_family w1_smem_family_01 = { 2262306a36Sopenharmony_ci .fid = W1_FAMILY_SMEM_01, 2362306a36Sopenharmony_ci}; 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_cistatic struct w1_family w1_smem_family_81 = { 2662306a36Sopenharmony_ci .fid = W1_FAMILY_SMEM_81, 2762306a36Sopenharmony_ci}; 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_cistatic int __init w1_smem_init(void) 3062306a36Sopenharmony_ci{ 3162306a36Sopenharmony_ci int err; 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ci err = w1_register_family(&w1_smem_family_01); 3462306a36Sopenharmony_ci if (err) 3562306a36Sopenharmony_ci return err; 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci err = w1_register_family(&w1_smem_family_81); 3862306a36Sopenharmony_ci if (err) { 3962306a36Sopenharmony_ci w1_unregister_family(&w1_smem_family_01); 4062306a36Sopenharmony_ci return err; 4162306a36Sopenharmony_ci } 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci return 0; 4462306a36Sopenharmony_ci} 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_cistatic void __exit w1_smem_fini(void) 4762306a36Sopenharmony_ci{ 4862306a36Sopenharmony_ci w1_unregister_family(&w1_smem_family_01); 4962306a36Sopenharmony_ci w1_unregister_family(&w1_smem_family_81); 5062306a36Sopenharmony_ci} 5162306a36Sopenharmony_ci 5262306a36Sopenharmony_cimodule_init(w1_smem_init); 5362306a36Sopenharmony_cimodule_exit(w1_smem_fini); 5462306a36Sopenharmony_ci 5562306a36Sopenharmony_ciMODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>"); 5662306a36Sopenharmony_ciMODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, 64bit memory family."); 5762306a36Sopenharmony_ciMODULE_LICENSE("GPL"); 5862306a36Sopenharmony_ciMODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_01)); 5962306a36Sopenharmony_ciMODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_81)); 60