1 /* $NetBSD: hdaudioctl.c,v 1.6 2021/06/21 03:09:52 christos Exp $ */
2 
3 /*
4  * Copyright (c) 2009 Precedence Technologies Ltd <support@precedence.co.uk>
5  * Copyright (c) 2009 Jared D. McNeill <jmcneill@invisible.ca>
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Precedence Technologies Ltd
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
27  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/types.h>
33 #include <sys/ioctl.h>
34 
35 #include <prop/proplib.h>
36 
37 #include <errno.h>
38 #include <fcntl.h>
39 #include <stdio.h>
40 #include <stdlib.h>
41 #include <string.h>
42 #include <unistd.h>
43 #include <ctype.h>
44 
45 #include <dev/hdaudio/hdaudioio.h>
46 #include <dev/hdaudio/hdaudioreg.h>
47 
48 #include "hdaudioctl.h"
49 
50 #define DEVPATH_HDAUDIO       "/dev/hdaudio0"
51 
52 const char *pin_devices[16] = {
53           "Line out", "Speaker", "Headphones", "CD",
54           "SPDIF Out", "Digital Out", "Modem Line", "Modem Handset",
55           "Line In", "AUX", "Mic In", "Telephony",
56           "SPDIF In", "Digital In", "Reserved", "Other"
57 };
58 static const char *pin_jacks[16] = {
59           "Unknown", "1/8\"", "1/4\"", "ATAPI",
60           "RCA", "Optic", "Digital", "Analog",
61           "DIN", "XLR", "RJ-11", "Combo",
62           "0xC", "0xD", "0xE", "Other"
63 };
64 static const char *pin_connections[4] = {
65           "Jack", "None", "Fixed", "Both"
66 };
67 static const char *pin_colors[16] = {
68           "Unknown", "Black", "Grey", "Blue",
69           "Green", "Red", "Orange", "Yellow",
70           "Purple", "Pink", "Res. A", "Res. B",
71           "Res. C", "Res. D", "White", "Other"
72 };
73 static const char *pin_locations[64] = {
74           "0x00", "Rear", "Front", "Left",
75           "Right", "Top", "Bottom", "Rear-panel",
76           "Drive-bay", "0x09", "0x0a", "0x0b",
77           "0x0c", "0x0d", "0x0e", "0x0f",
78           "Internal", "0x11", "0x12", "0x13",
79           "0x14", "0x15", "0x16", "Riser",
80           "0x18", "Onboard", "0x1a", "0x1b",
81           "0x1c", "0x1d", "0x1e", "0x1f",
82           "External", "Ext-Rear", "Ext-Front", "Ext-Left",
83           "Ext-Right", "Ext-Top", "Ext-Bottom", "0x07",
84           "0x28", "0x29", "0x2a", "0x2b",
85           "0x2c", "0x2d", "0x2e", "0x2f",
86           "Other", "0x31", "0x32", "0x33",
87           "0x34", "0x35", "Other-Bott", "Lid-In",
88           "Lid-Out", "0x39", "0x3a", "0x3b",
89           "0x3c", "0x3d", "0x3e", "0x3f"
90 };
91 
92 void
usage(void)93 usage(void)
94 {
95           const char *prog;
96           prog = getprogname();
97 
98           fprintf(stderr, "usage: %s [-f dev] list\n", prog);
99           fprintf(stderr, "       %s [-f dev] show <codecid> <nid>\n", prog);
100           fprintf(stderr, "       %s [-f dev] get <codecid> <nid>\n", prog);
101           fprintf(stderr, "       %s [-f dev] set <codecid> <nid> [plist]\n",
102               prog);
103           fprintf(stderr, "       %s [-f dev] graph <codecid> <nid>\n", prog);
104           exit(EXIT_FAILURE);
105 }
106 
107 static int
hdaudioctl_list(int fd)108 hdaudioctl_list(int fd)
109 {
110           prop_dictionary_t request, response;
111           prop_dictionary_t dict;
112           prop_object_iterator_t iter;
113           prop_object_t obj;
114           prop_array_t array;
115           uint16_t nid, codecid;
116           uint16_t vendor, product;
117           uint32_t subsystem;
118           const char *device = NULL;
119           int error;
120 
121           request = prop_dictionary_create();
122           if (request == NULL) {
123                     fprintf(stderr, "out of memory\n");
124                     return ENOMEM;
125           }
126 
127           error = prop_dictionary_sendrecv_ioctl(request, fd,
128               HDAUDIO_FGRP_INFO, &response);
129           if (error != 0) {
130                     perror("HDAUDIO_FGRP_INFO failed");
131                     return error;
132           }
133 
134           array = prop_dictionary_get(response, "function-group-info");
135           iter = prop_array_iterator(array);
136           prop_object_iterator_reset(iter);
137           while ((obj = prop_object_iterator_next(iter)) != NULL) {
138                     dict = (prop_dictionary_t)obj;
139                     prop_dictionary_get_uint16(dict, "codecid", &codecid);
140                     prop_dictionary_get_uint16(dict, "nid", &nid);
141                     prop_dictionary_get_uint16(dict, "vendor-id", &vendor);
142                     prop_dictionary_get_uint16(dict, "product-id", &product);
143                     prop_dictionary_get_uint32(dict, "subsystem-id", &subsystem);
144                     prop_dictionary_get_string(dict, "device", &device);
145 
146                     printf("codecid 0x%02X nid 0x%02X vendor 0x%04X "
147                         "product 0x%04X subsystem 0x%08X device %s\n",
148                         codecid, nid, vendor, product, subsystem,
149                         device ? device : "<none>");
150           }
151 
152           prop_object_release(array);
153           prop_object_release(response);
154           prop_object_release(request);
155 
156           return 0;
157 }
158 
159 static int
hdaudioctl_get(int fd,int argc,char * argv[])160 hdaudioctl_get(int fd, int argc, char *argv[])
161 {
162           prop_dictionary_t request, response;
163           prop_array_t config;
164           uint16_t nid, codecid;
165           const char *xml;
166           int error;
167 
168           if (argc != 2)
169                     usage();
170 
171           codecid = strtol(argv[0], NULL, 0);
172           nid = strtol(argv[1], NULL, 0);
173 
174           request = prop_dictionary_create();
175           if (request == NULL) {
176                     fprintf(stderr, "out of memory\n");
177                     return ENOMEM;
178           }
179 
180           prop_dictionary_set_uint16(request, "codecid", codecid);
181           prop_dictionary_set_uint16(request, "nid", nid);
182 
183           error = prop_dictionary_sendrecv_ioctl(request, fd,
184               HDAUDIO_FGRP_GETCONFIG, &response);
185           if (error != 0) {
186                     perror("HDAUDIO_FGRP_GETCONFIG failed");
187                     return error;
188           }
189 
190           config = prop_dictionary_get(response, "pin-config");
191           xml = prop_array_externalize(config);
192 
193           printf("%s\n", xml);
194 
195           prop_object_release(response);
196           prop_object_release(request);
197 
198           return 0;
199 }
200 
201 static int
hdaudioctl_set(int fd,int argc,char * argv[])202 hdaudioctl_set(int fd, int argc, char *argv[])
203 {
204           prop_dictionary_t request, response;
205           prop_array_t config = NULL;
206           uint16_t nid, codecid;
207           int error;
208 
209           if (argc < 2 || argc > 3)
210                     usage();
211 
212           codecid = strtol(argv[0], NULL, 0);
213           nid = strtol(argv[1], NULL, 0);
214           if (argc == 3) {
215                     config = prop_array_internalize_from_file(argv[2]);
216                     if (config == NULL) {
217                               fprintf(stderr,
218                                   "couldn't load configuration from %s\n", argv[2]);
219                               return EIO;
220                     }
221           }
222 
223           request = prop_dictionary_create();
224           if (request == NULL) {
225                     fprintf(stderr, "out of memory\n");
226                     return ENOMEM;
227           }
228 
229           prop_dictionary_set_uint16(request, "codecid", codecid);
230           prop_dictionary_set_uint16(request, "nid", nid);
231           if (config)
232                     prop_dictionary_set(request, "pin-config", config);
233 
234           error = prop_dictionary_sendrecv_ioctl(request, fd,
235               HDAUDIO_FGRP_SETCONFIG, &response);
236           if (error != 0) {
237                     perror("HDAUDIO_FGRP_SETCONFIG failed");
238                     return error;
239           }
240 
241           prop_object_release(response);
242           prop_object_release(request);
243 
244           return 0;
245 }
246 
247 /* Based on page 178 onwards:
248  * https://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/high-definition-audio-specification.pdf
249  * 31:30 = Port connectivity
250  * 29:24 = Location
251  * 23:20 = Default device
252  * 19:16 = Connection type
253  * 15:12 = Color
254  *  11:8 = Misc
255  *   7:4 = Default association
256  *   3:0 = Sequence
257  */
258 
259 static int
hdaudioctl_show(int fd,int argc,char * argv[])260 hdaudioctl_show(int fd, int argc, char *argv[])
261 {
262           prop_dictionary_t request, response, dict;
263           prop_array_t array;
264           prop_object_iterator_t iter;
265           prop_object_t obj;
266           uint16_t nid, codecid;
267           uint32_t config;
268           int error;
269           const char *device, *conn, *jack, *loc, *color;
270           if (argc != 2)
271                     usage();
272 
273           codecid = strtol(argv[0], NULL, 0);
274           nid = strtol(argv[1], NULL, 0);
275 
276           request = prop_dictionary_create();
277           if (request == NULL) {
278                     fprintf(stderr, "out of memory\n");
279                     return ENOMEM;
280           }
281 
282           prop_dictionary_set_uint16(request, "codecid", codecid);
283           prop_dictionary_set_uint16(request, "nid", nid);
284 
285           error = prop_dictionary_sendrecv_ioctl(request, fd,
286               HDAUDIO_FGRP_GETCONFIG, &response);
287           if (error != 0) {
288                     perror("HDAUDIO_FGRP_GETCONFIG failed");
289                     return error;
290           }
291 
292           array = prop_dictionary_get(response, "pin-config");
293           iter = prop_array_iterator(array);
294           prop_object_iterator_reset(iter);
295           printf("nid  Data     As Seq Device         Conn  Jack    "
296               "Location   Color   Misc\n");
297           printf("=================================================="
298               "=======================\n");
299           while ((obj = prop_object_iterator_next(iter)) != NULL) {
300                     dict = (prop_dictionary_t)obj;
301                     prop_dictionary_get_uint32(dict, "config", &config);
302                     prop_dictionary_get_uint16(dict, "nid", &nid);
303                     device = pin_devices[(config >> 20U) & 0xf];
304                     conn = pin_connections[(config >> 30U) & 0x3];
305                     jack = pin_jacks[(config >> 16) & 0xf];
306                     loc = pin_locations[(config >> 24) & 0x3f];
307                     color = pin_colors[(config >> 12) & 0xf];
308                     printf("0x%2X %08X %2d %3d %-14s %-5s %-7s %-10s %-7s %4X\n",
309                         nid, config, ((config >> 4U) & 0xf), (config & 0xf),
310                         device, conn, jack, loc, color, ((config >> 8U) & 0xf));
311           }
312           prop_object_release(array);
313           prop_object_release(response);
314           prop_object_release(request);
315 
316           return 0;
317 }
318 
319 
320 int
main(int argc,char * argv[])321 main(int argc, char *argv[])
322 {
323           int fd, error;
324           int ch;
325           const char *devpath = DEVPATH_HDAUDIO;
326 
327           while ((ch = getopt(argc, argv, "f:h")) != -1) {
328                     switch (ch) {
329                     case 'f':
330                               devpath = strdup(optarg);
331                               break;
332                     case 'h':
333                     default:
334                               usage();
335                               /* NOTREACHED */
336                     }
337           }
338           argc -= optind;
339           argv += optind;
340 
341           if (argc < 1)
342                     usage();
343 
344           fd = open(devpath, O_RDWR);
345           if (fd < 0) {
346                     fprintf(stderr, "Error opening %s: %s\n", devpath,
347                         strerror(errno));
348                     return EXIT_FAILURE;
349           }
350 
351           error = 0;
352           if (strcmp(argv[0], "list") == 0)
353                     error = hdaudioctl_list(fd);
354           else if (strcmp(argv[0], "get") == 0)
355                     error = hdaudioctl_get(fd, argc - 1, argv + 1);
356           else if (strcmp(argv[0], "set") == 0)
357                     error = hdaudioctl_set(fd, argc - 1, argv + 1);
358           else if (strcmp(argv[0], "graph") == 0)
359                     error = hdaudioctl_graph(fd, argc - 1, argv + 1);
360           else if (strcmp(argv[0], "show") == 0)
361                     error = hdaudioctl_show(fd, argc - 1, argv + 1);
362           else
363                     usage();
364 
365           close(fd);
366 
367           if (error)
368                     return EXIT_FAILURE;
369           return EXIT_SUCCESS;
370 }
371