1 // SPDX-License-Identifier: GPL-2.0-only
3  * oxfw_command.c - a part of driver for OXFW970/971 based devices
16 	buf = kmalloc(len + 10, GFP_KERNEL);  in avc_stream_set_format()
18 		return -ENOMEM;  in avc_stream_set_format()
30 	memcpy(buf + 10, format, len);  in avc_stream_set_format()
32 	/* do transaction and check buf[1-8] are the same against command */  in avc_stream_set_format()
33 	err = fcp_avc_transaction(unit, buf, len + 10, buf, len + 10,  in avc_stream_set_format()
34 				  BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) |  in avc_stream_set_format()
35 				  BIT(6) | BIT(7) | BIT(8));  in avc_stream_set_format()
38 	else if (err < len + 10)  in avc_stream_set_format()
39 		err = -EIO;  in avc_stream_set_format()
41 		err = -ENXIO;  in avc_stream_set_format()
43 		err = -EINVAL;  in avc_stream_set_format()
74 	buf[10] = 0xff & eid;	/* entry ID for LIST subfunction */  in avc_stream_get_format()
77 	/* do transaction and check buf[1-7] are the same against command */  in avc_stream_get_format()
79 				  BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5) |  in avc_stream_get_format()
80 				  BIT(6) | BIT(7));  in avc_stream_get_format()
84 		err = -EIO;  in avc_stream_get_format()
86 		err = -ENXIO;  in avc_stream_get_format()
88 		err = -EINVAL;  in avc_stream_get_format()
90 		err = -EAGAIN;  in avc_stream_get_format()
92 	else if ((subfunc == 0xc1) && (buf[10] != eid))  in avc_stream_get_format()
93 		err = -EIO;  in avc_stream_get_format()
99 		memmove(buf, buf + 10, err - 10);  in avc_stream_get_format()
100 		*len = err - 10;  in avc_stream_get_format()
102 		memmove(buf, buf + 11, err - 11);  in avc_stream_get_format()
103 		*len = err - 11;  in avc_stream_get_format()
124 		return -EINVAL;  in avc_general_inquiry_sig_fmt()
128 		return -ENOMEM;  in avc_general_inquiry_sig_fmt()
138 	buf[5] = 0x07 & sfc;	/* FDF-hi. AM824, frequency */  in avc_general_inquiry_sig_fmt()
139 	buf[6] = 0xff;		/* FDF-mid. AM824, SYT hi (not used) */  in avc_general_inquiry_sig_fmt()
140 	buf[7] = 0xff;		/* FDF-low. AM824, SYT lo (not used) */  in avc_general_inquiry_sig_fmt()
142 	/* do transaction and check buf[1-5] are the same against command */  in avc_general_inquiry_sig_fmt()
144 				  BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5));  in avc_general_inquiry_sig_fmt()
148 		err = -EIO;  in avc_general_inquiry_sig_fmt()
150 		err = -ENXIO;  in avc_general_inquiry_sig_fmt()