xref: /OK3568_Linux_fs/kernel/drivers/media/common/siano/smsendian.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /****************************************************************
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun  Siano Mobile Silicon, Inc.
5*4882a593Smuzhiyun  MDTV receiver kernel modules.
6*4882a593Smuzhiyun  Copyright (C) 2006-2009, Uri Shkolnik
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun  ****************************************************************/
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <linux/export.h>
12*4882a593Smuzhiyun #include <asm/byteorder.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #include "smsendian.h"
15*4882a593Smuzhiyun #include "smscoreapi.h"
16*4882a593Smuzhiyun 
smsendian_handle_tx_message(void * buffer)17*4882a593Smuzhiyun void smsendian_handle_tx_message(void *buffer)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun #ifdef __BIG_ENDIAN
20*4882a593Smuzhiyun 	struct sms_msg_data *msg = (struct sms_msg_data *)buffer;
21*4882a593Smuzhiyun 	int i;
22*4882a593Smuzhiyun 	int msg_words;
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun 	switch (msg->x_msg_header.msg_type) {
25*4882a593Smuzhiyun 	case MSG_SMS_DATA_DOWNLOAD_REQ:
26*4882a593Smuzhiyun 	{
27*4882a593Smuzhiyun 		msg->msg_data[0] = le32_to_cpu((__force __le32)(msg->msg_data[0]));
28*4882a593Smuzhiyun 		break;
29*4882a593Smuzhiyun 	}
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun 	default:
32*4882a593Smuzhiyun 		msg_words = (msg->x_msg_header.msg_length -
33*4882a593Smuzhiyun 				sizeof(struct sms_msg_hdr))/4;
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun 		for (i = 0; i < msg_words; i++)
36*4882a593Smuzhiyun 			msg->msg_data[i] = le32_to_cpu((__force __le32)msg->msg_data[i]);
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun 		break;
39*4882a593Smuzhiyun 	}
40*4882a593Smuzhiyun #endif /* __BIG_ENDIAN */
41*4882a593Smuzhiyun }
42*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(smsendian_handle_tx_message);
43*4882a593Smuzhiyun 
smsendian_handle_rx_message(void * buffer)44*4882a593Smuzhiyun void smsendian_handle_rx_message(void *buffer)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun #ifdef __BIG_ENDIAN
47*4882a593Smuzhiyun 	struct sms_msg_data *msg = (struct sms_msg_data *)buffer;
48*4882a593Smuzhiyun 	int i;
49*4882a593Smuzhiyun 	int msg_words;
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun 	switch (msg->x_msg_header.msg_type) {
52*4882a593Smuzhiyun 	case MSG_SMS_GET_VERSION_EX_RES:
53*4882a593Smuzhiyun 	{
54*4882a593Smuzhiyun 		struct sms_version_res *ver =
55*4882a593Smuzhiyun 			(struct sms_version_res *) msg;
56*4882a593Smuzhiyun 		ver->chip_model = le16_to_cpu((__force __le16)ver->chip_model);
57*4882a593Smuzhiyun 		break;
58*4882a593Smuzhiyun 	}
59*4882a593Smuzhiyun 
60*4882a593Smuzhiyun 	case MSG_SMS_DVBT_BDA_DATA:
61*4882a593Smuzhiyun 	case MSG_SMS_DAB_CHANNEL:
62*4882a593Smuzhiyun 	case MSG_SMS_DATA_MSG:
63*4882a593Smuzhiyun 	{
64*4882a593Smuzhiyun 		break;
65*4882a593Smuzhiyun 	}
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun 	default:
68*4882a593Smuzhiyun 	{
69*4882a593Smuzhiyun 		msg_words = (msg->x_msg_header.msg_length -
70*4882a593Smuzhiyun 				sizeof(struct sms_msg_hdr))/4;
71*4882a593Smuzhiyun 
72*4882a593Smuzhiyun 		for (i = 0; i < msg_words; i++)
73*4882a593Smuzhiyun 			msg->msg_data[i] = le32_to_cpu((__force __le32)msg->msg_data[i]);
74*4882a593Smuzhiyun 
75*4882a593Smuzhiyun 		break;
76*4882a593Smuzhiyun 	}
77*4882a593Smuzhiyun 	}
78*4882a593Smuzhiyun #endif /* __BIG_ENDIAN */
79*4882a593Smuzhiyun }
80*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(smsendian_handle_rx_message);
81*4882a593Smuzhiyun 
smsendian_handle_message_header(void * msg)82*4882a593Smuzhiyun void smsendian_handle_message_header(void *msg)
83*4882a593Smuzhiyun {
84*4882a593Smuzhiyun #ifdef __BIG_ENDIAN
85*4882a593Smuzhiyun 	struct sms_msg_hdr *phdr = (struct sms_msg_hdr *)msg;
86*4882a593Smuzhiyun 
87*4882a593Smuzhiyun 	phdr->msg_type = le16_to_cpu((__force __le16)phdr->msg_type);
88*4882a593Smuzhiyun 	phdr->msg_length = le16_to_cpu((__force __le16)phdr->msg_length);
89*4882a593Smuzhiyun 	phdr->msg_flags = le16_to_cpu((__force __le16)phdr->msg_flags);
90*4882a593Smuzhiyun #endif /* __BIG_ENDIAN */
91*4882a593Smuzhiyun }
92*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(smsendian_handle_message_header);
93