Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *	w1_smem.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <asm/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/w1.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define W1_FAMILY_SMEM_01	0x01
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define W1_FAMILY_SMEM_81	0x81
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static struct w1_family w1_smem_family_01 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	.fid = W1_FAMILY_SMEM_01,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static struct w1_family w1_smem_family_81 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	.fid = W1_FAMILY_SMEM_81,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static int __init w1_smem_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	err = w1_register_family(&w1_smem_family_01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	err = w1_register_family(&w1_smem_family_81);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 		w1_unregister_family(&w1_smem_family_01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 		return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) static void __exit w1_smem_fini(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	w1_unregister_family(&w1_smem_family_01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	w1_unregister_family(&w1_smem_family_81);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) module_init(w1_smem_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) module_exit(w1_smem_fini);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, 64bit memory family.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_01));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_81));