firewire/bebob/bebob_command.c

13 	u8 *buf;
16 	buf = kzalloc(12, GFP_KERNEL);
17 	if (buf == NULL)
20 	buf[0]  = 0x00;		/* AV/C CONTROL */
21 	buf[1]  = 0x08 | (0x07 & subunit_id);	/* AUDIO SUBUNIT ID */
22 	buf[2]  = 0xb8;		/* FUNCTION BLOCK  */
23 	buf[3]  = 0x80;		/* type is 'selector'*/
24 	buf[4]  = 0xff & fb_id;	/* function block id */
25 	buf[5]  = 0x10;		/* control attribute is CURRENT */
26 	buf[6]  = 0x02;		/* selector length is 2 */
27 	buf[7]  = 0xff & num;	/* input function block plug number */
28 	buf[8]  = 0x01;		/* control selector is SELECTOR_CONTROL */
30 	err = fcp_avc_transaction(unit, buf, 12, buf, 12,
37 	else if (buf[0] == 0x08) /* NOT IMPLEMENTED */
39 	else if (buf[0] == 0x0a) /* REJECTED */
44 	kfree(buf);
51 	u8 *buf;
54 	buf = kzalloc(12, GFP_KERNEL);
55 	if (buf == NULL)
58 	buf[0]  = 0x01;		/* AV/C STATUS */
59 	buf[1]  = 0x08 | (0x07 & subunit_id);	/* AUDIO SUBUNIT ID */
60 	buf[2]  = 0xb8;		/* FUNCTION BLOCK */
61 	buf[3]  = 0x80;		/* type is 'selector'*/
62 	buf[4]  = 0xff & fb_id;	/* function block id */
63 	buf[5]  = 0x10;		/* control attribute is CURRENT */
64 	buf[6]  = 0x02;		/* selector length is 2 */
65 	buf[7]  = 0xff;		/* input function block plug number */
66 	buf[8]  = 0x01;		/* control selector is SELECTOR_CONTROL */
68 	err = fcp_avc_transaction(unit, buf, 12, buf, 12,
75 	else if (buf[0] == 0x08) /* NOT IMPLEMENTED */
77 	else if (buf[0] == 0x0a) /* REJECTED */
79 	else if (buf[0] == 0x0b) /* IN TRANSITION */
84 	*num = buf[7];
87 	kfree(buf);
92 avc_bridgeco_fill_extension_addr(u8 *buf, u8 *addr)
94 	buf[1] = addr[0];
95 	memcpy(buf + 4, addr + 1, 5);
99 avc_bridgeco_fill_plug_info_extension_command(u8 *buf, u8 *addr,
102 	buf[0] = 0x01;	/* AV/C STATUS */
103 	buf[2] = 0x02;	/* AV/C GENERAL PLUG INFO */
104 	buf[3] = 0xc0;	/* BridgeCo extension */
105 	avc_bridgeco_fill_extension_addr(buf, addr);
106 	buf[9] = itype;	/* info type */
113 	u8 *buf;
116 	buf = kzalloc(12, GFP_KERNEL);
117 	if (buf == NULL)
121 	avc_bridgeco_fill_plug_info_extension_command(buf, addr, 0x00);
123 	err = fcp_avc_transaction(unit, buf, 12, buf, 12,
130 	else if (buf[0] == 0x08) /* NOT IMPLEMENTED */
132 	else if (buf[0] == 0x0a) /* REJECTED */
134 	else if (buf[0] == 0x0b) /* IN TRANSITION */
139 	*type = buf[10];
142 	kfree(buf);
149 	u8 *buf;
152 	buf = kzalloc(12, GFP_KERNEL);
153 	if (buf == NULL)
157 	avc_bridgeco_fill_plug_info_extension_command(buf, addr, 0x02);
159 	err = fcp_avc_transaction(unit, buf, 12, buf, 12,
166 	else if (buf[0] == 0x08) // NOT IMPLEMENTED
168 	else if (buf[0] == 0x0a) // REJECTED
170 	else if (buf[0] == 0x0b) // IN TRANSITION
175 	*ch_count = buf[10];
178 	kfree(buf);
184 				 u8 *buf, unsigned int len)
189 	avc_bridgeco_fill_plug_info_extension_command(buf, addr, 0x03);
191 	err = fcp_avc_transaction(unit, buf, 12, buf, 256,
198 	else if (buf[0] == 0x08) /* NOT IMPLEMENTED */
200 	else if (buf[0] == 0x0a) /* REJECTED */
202 	else if (buf[0] == 0x0b) /* IN TRANSITION */
208 	memmove(buf, buf + 10, err - 10);
218 	u8 *buf;
222 	buf = kzalloc(12, GFP_KERNEL);
223 	if (buf == NULL)
227 	avc_bridgeco_fill_plug_info_extension_command(buf, addr, 0x07);
228 	buf[10] = 0xff & ++id;	/* section id */
230 	err = fcp_avc_transaction(unit, buf, 12, buf, 12,
237 	else if (buf[0] == 0x08) /* NOT IMPLEMENTED */
239 	else if (buf[0] == 0x0a) /* REJECTED */
241 	else if (buf[0] == 0x0b) /* IN TRANSITION */
246 	*type = buf[11];
249 	kfree(buf);
257 	u8 *buf;
259 	buf = kzalloc(18, GFP_KERNEL);
260 	if (buf == NULL)
264 	avc_bridgeco_fill_plug_info_extension_command(buf, addr, 0x05);
266 	err = fcp_avc_transaction(unit, buf, 16, buf, 16,
273 	else if (buf[0] == 0x08) /* NOT IMPLEMENTED */
275 	else if (buf[0] == 0x0a) /* REJECTED */
277 	else if (buf[0] == 0x0b) /* IN TRANSITION */
282 	memcpy(input, buf + 10, 5);
285 	kfree(buf);
290 				   u8 addr[AVC_BRIDGECO_ADDR_BYTES], u8 *buf,
296 	if ((buf == NULL) || (*len < 12)) {
301 	buf[0] = 0x01;	/* AV/C STATUS */
302 	buf[2] = 0x2f;	/* AV/C STREAM FORMAT SUPPORT */
303 	buf[3] = 0xc1;	/* Bridgeco extension - List Request */
304 	avc_bridgeco_fill_extension_addr(buf, addr);
305 	buf[10] = 0xff & eid;	/* Entry ID */
307 	err = fcp_avc_transaction(unit, buf, 12, buf, *len,
314 	else if (buf[0] == 0x08)        /* NOT IMPLEMENTED */
316 	else if (buf[0] == 0x0a)        /* REJECTED */
318 	else if (buf[0] == 0x0b)        /* IN TRANSITION */
320 	else if (buf[10] != eid)
326 	memmove(buf, buf + 11, err - 11);