sound/firewire/fcp.c

33 	u8 *buf;
47 	buf = kzalloc(8, GFP_KERNEL);
48 	if (buf == NULL)
51 	buf[0] = 0x00;		/* AV/C CONTROL */
52 	buf[1] = 0xff;		/* UNIT */
54 		buf[2] = 0x19;	/* INPUT PLUG SIGNAL FORMAT */
56 		buf[2] = 0x18;	/* OUTPUT PLUG SIGNAL FORMAT */
57 	buf[3] = 0xff & pid;	/* plug id */
58 	buf[4] = 0x90;		/* EOH_1, Form_1, FMT. AM824 */
59 	buf[5] = 0x07 & sfc;	/* FDF-hi. AM824, frequency */
60 	buf[6] = 0xff;		/* FDF-mid. AM824, SYT hi (not used)*/
61 	buf[7] = 0xff;		/* FDF-low. AM824, SYT lo (not used) */
63 	/* do transaction and check buf[1-5] are the same against command */
64 	err = fcp_avc_transaction(unit, buf, 8, buf, 8,
70 	else if (buf[0] == 0x08) /* NOT IMPLEMENTED */
72 	else if (buf[0] == 0x0a) /* REJECTED */
79 	kfree(buf);
89 	u8 *buf;
92 	buf = kzalloc(8, GFP_KERNEL);
93 	if (buf == NULL)
96 	buf[0] = 0x01;		/* AV/C STATUS */
97 	buf[1] = 0xff;		/* Unit */
99 		buf[2] = 0x19;	/* INPUT PLUG SIGNAL FORMAT */
101 		buf[2] = 0x18;	/* OUTPUT PLUG SIGNAL FORMAT */
102 	buf[3] = 0xff & pid;	/* plug id */
103 	buf[4] = 0x90;		/* EOH_1, Form_1, FMT. AM824 */
104 	buf[5] = 0xff;		/* FDF-hi. AM824, frequency */
105 	buf[6] = 0xff;		/* FDF-mid. AM824, SYT hi (not used) */
106 	buf[7] = 0xff;		/* FDF-low. AM824, SYT lo (not used) */
108 	/* do transaction and check buf[1-4] are the same against command */
109 	err = fcp_avc_transaction(unit, buf, 8, buf, 8,
115 	else if (buf[0] == 0x08) /* NOT IMPLEMENTED */
117 	else if (buf[0] == 0x0a) /* REJECTED */
119 	else if (buf[0] == 0x0b) /* IN TRANSITION */
125 	sfc = 0x07 & buf[5];
134 	kfree(buf);
143 	u8 *buf;
150 	buf = kzalloc(8, GFP_KERNEL);
151 	if (buf == NULL)
154 	buf[0] = 0x01;	/* AV/C STATUS */
156 	buf[1] = ((subunit_type & 0x1f) << 3) | (subunit_id & 0x7);
157 	buf[2] = 0x02;	/* PLUG INFO */
158 	buf[3] = 0xff & subfunction;
160 	err = fcp_avc_transaction(unit, buf, 8, buf, 8, BIT(1) | BIT(2));
165 	else if (buf[0] == 0x08) /* NOT IMPLEMENTED */
167 	else if (buf[0] == 0x0a) /* REJECTED */
169 	else if (buf[0] == 0x0b) /* IN TRANSITION */
174 	info[0] = buf[4];
175 	info[1] = buf[5];
176 	info[2] = buf[6];
177 	info[3] = buf[7];
181 	kfree(buf);