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10#include "dice.h"
11
12static int dice_proc_read_mem(struct snd_dice *dice, void *buffer,
13 unsigned int offset_q, unsigned int quadlets)
14{
15 unsigned int i;
16 int err;
17
18 err = snd_fw_transaction(dice->unit, TCODE_READ_BLOCK_REQUEST,
19 DICE_PRIVATE_SPACE + 4 * offset_q,
20 buffer, 4 * quadlets, 0);
21 if (err < 0)
22 return err;
23
24 for (i = 0; i < quadlets; ++i)
25 be32_to_cpus(&((u32 *)buffer)[i]);
26
27 return 0;
28}
29
30static const char *str_from_array(const char *const strs[], unsigned int count,
31 unsigned int i)
32{
33 if (i < count)
34 return strs[i];
35
36 return "(unknown)";
37}
38
39static void dice_proc_fixup_string(char *s, unsigned int size)
40{
41 unsigned int i;
42
43 for (i = 0; i < size; i += 4)
44 cpu_to_le32s((u32 *)(s + i));
45
46 for (i = 0; i < size - 2; ++i) {
47 if (s[i] == '\0')
48 return;
49 if (s[i] == '\\' && s[i + 1] == '\\') {
50 s[i + 2] = '\0';
51 return;
52 }
53 }
54 s[size - 1] = '\0';
55}
56
57static void dice_proc_read(struct snd_info_entry *entry,
58 struct snd_info_buffer *buffer)
59{
60 static const char *const section_names[5] = {
61 "global", "tx", "rx", "ext_sync", "unused2"
62 };
63 static const char *const clock_sources[] = {
64 "aes1", "aes2", "aes3", "aes4", "aes", "adat", "tdif",
65 "wc", "arx1", "arx2", "arx3", "arx4", "internal"
66 };
67 static const char *const rates[] = {
68 "32000", "44100", "48000", "88200", "96000", "176400", "192000",
69 "any low", "any mid", "any high", "none"
70 };
71 struct snd_dice *dice = entry->private_data;
72 u32 sections[ARRAY_SIZE(section_names) * 2];
73 struct {
74 u32 number;
75 u32 size;
76 } tx_rx_header;
77 union {
78 struct {
79 u32 owner_hi, owner_lo;
80 u32 notification;
81 char nick_name[NICK_NAME_SIZE];
82 u32 clock_select;
83 u32 enable;
84 u32 status;
85 u32 extended_status;
86 u32 sample_rate;
87 u32 version;
88 u32 clock_caps;
89 char clock_source_names[CLOCK_SOURCE_NAMES_SIZE];
90 } global;
91 struct {
92 u32 iso;
93 u32 number_audio;
94 u32 number_midi;
95 u32 speed;
96 char names[TX_NAMES_SIZE];
97 u32 ac3_caps;
98 u32 ac3_enable;
99 } tx;
100 struct {
101 u32 iso;
102 u32 seq_start;
103 u32 number_audio;
104 u32 number_midi;
105 char names[RX_NAMES_SIZE];
106 u32 ac3_caps;
107 u32 ac3_enable;
108 } rx;
109 struct {
110 u32 clock_source;
111 u32 locked;
112 u32 rate;
113 u32 adat_user_data;
114 } ext_sync;
115 } buf;
116 unsigned int quadlets, stream, i;
117
118 if (dice_proc_read_mem(dice, sections, 0, ARRAY_SIZE(sections)) < 0)
119 return;
120 snd_iprintf(buffer, "sections:\n");
121 for (i = 0; i < ARRAY_SIZE(section_names); ++i)
122 snd_iprintf(buffer, " %s: offset %u, size %u\n",
123 section_names[i],
124 sections[i * 2], sections[i * 2 + 1]);
125
126 quadlets = min_t(u32, sections[1], sizeof(buf.global) / 4);
127 if (dice_proc_read_mem(dice, &buf.global, sections[0], quadlets) < 0)
128 return;
129 snd_iprintf(buffer, "global:\n");
130 snd_iprintf(buffer, " owner: %04x:%04x%08x\n",
131 buf.global.owner_hi >> 16,
132 buf.global.owner_hi & 0xffff, buf.global.owner_lo);
133 snd_iprintf(buffer, " notification: %08x\n", buf.global.notification);
134 dice_proc_fixup_string(buf.global.nick_name, NICK_NAME_SIZE);
135 snd_iprintf(buffer, " nick name: %s\n", buf.global.nick_name);
136 snd_iprintf(buffer, " clock select: %s %s\n",
137 str_from_array(clock_sources, ARRAY_SIZE(clock_sources),
138 buf.global.clock_select & CLOCK_SOURCE_MASK),
139 str_from_array(rates, ARRAY_SIZE(rates),
140 (buf.global.clock_select & CLOCK_RATE_MASK)
141 >> CLOCK_RATE_SHIFT));
142 snd_iprintf(buffer, " enable: %u\n", buf.global.enable);
143 snd_iprintf(buffer, " status: %slocked %s\n",
144 buf.global.status & STATUS_SOURCE_LOCKED ? "" : "un",
145 str_from_array(rates, ARRAY_SIZE(rates),
146 (buf.global.status &
147 STATUS_NOMINAL_RATE_MASK)
148 >> CLOCK_RATE_SHIFT));
149 snd_iprintf(buffer, " ext status: %08x\n", buf.global.extended_status);
150 snd_iprintf(buffer, " sample rate: %u\n", buf.global.sample_rate);
151 snd_iprintf(buffer, " version: %u.%u.%u.%u\n",
152 (buf.global.version >> 24) & 0xff,
153 (buf.global.version >> 16) & 0xff,
154 (buf.global.version >> 8) & 0xff,
155 (buf.global.version >> 0) & 0xff);
156 if (quadlets >= 90) {
157 snd_iprintf(buffer, " clock caps:");
158 for (i = 0; i <= 6; ++i)
159 if (buf.global.clock_caps & (1 << i))
160 snd_iprintf(buffer, " %s", rates[i]);
161 for (i = 0; i <= 12; ++i)
162 if (buf.global.clock_caps & (1 << (16 + i)))
163 snd_iprintf(buffer, " %s", clock_sources[i]);
164 snd_iprintf(buffer, "\n");
165 dice_proc_fixup_string(buf.global.clock_source_names,
166 CLOCK_SOURCE_NAMES_SIZE);
167 snd_iprintf(buffer, " clock source names: %s\n",
168 buf.global.clock_source_names);
169 }
170
171 if (dice_proc_read_mem(dice, &tx_rx_header, sections[2], 2) < 0)
172 return;
173 quadlets = min_t(u32, tx_rx_header.size, sizeof(buf.tx) / 4);
174 for (stream = 0; stream < tx_rx_header.number; ++stream) {
175 if (dice_proc_read_mem(dice, &buf.tx, sections[2] + 2 +
176 stream * tx_rx_header.size,
177 quadlets) < 0)
178 break;
179 snd_iprintf(buffer, "tx %u:\n", stream);
180 snd_iprintf(buffer, " iso channel: %d\n", (int)buf.tx.iso);
181 snd_iprintf(buffer, " audio channels: %u\n",
182 buf.tx.number_audio);
183 snd_iprintf(buffer, " midi ports: %u\n", buf.tx.number_midi);
184 snd_iprintf(buffer, " speed: S%u\n", 100u << buf.tx.speed);
185 if (quadlets >= 68) {
186 dice_proc_fixup_string(buf.tx.names, TX_NAMES_SIZE);
187 snd_iprintf(buffer, " names: %s\n", buf.tx.names);
188 }
189 if (quadlets >= 70) {
190 snd_iprintf(buffer, " ac3 caps: %08x\n",
191 buf.tx.ac3_caps);
192 snd_iprintf(buffer, " ac3 enable: %08x\n",
193 buf.tx.ac3_enable);
194 }
195 }
196
197 if (dice_proc_read_mem(dice, &tx_rx_header, sections[4], 2) < 0)
198 return;
199 quadlets = min_t(u32, tx_rx_header.size, sizeof(buf.rx) / 4);
200 for (stream = 0; stream < tx_rx_header.number; ++stream) {
201 if (dice_proc_read_mem(dice, &buf.rx, sections[4] + 2 +
202 stream * tx_rx_header.size,
203 quadlets) < 0)
204 break;
205 snd_iprintf(buffer, "rx %u:\n", stream);
206 snd_iprintf(buffer, " iso channel: %d\n", (int)buf.rx.iso);
207 snd_iprintf(buffer, " sequence start: %u\n", buf.rx.seq_start);
208 snd_iprintf(buffer, " audio channels: %u\n",
209 buf.rx.number_audio);
210 snd_iprintf(buffer, " midi ports: %u\n", buf.rx.number_midi);
211 if (quadlets >= 68) {
212 dice_proc_fixup_string(buf.rx.names, RX_NAMES_SIZE);
213 snd_iprintf(buffer, " names: %s\n", buf.rx.names);
214 }
215 if (quadlets >= 70) {
216 snd_iprintf(buffer, " ac3 caps: %08x\n",
217 buf.rx.ac3_caps);
218 snd_iprintf(buffer, " ac3 enable: %08x\n",
219 buf.rx.ac3_enable);
220 }
221 }
222
223 quadlets = min_t(u32, sections[7], sizeof(buf.ext_sync) / 4);
224 if (quadlets >= 4) {
225 if (dice_proc_read_mem(dice, &buf.ext_sync,
226 sections[6], 4) < 0)
227 return;
228 snd_iprintf(buffer, "ext status:\n");
229 snd_iprintf(buffer, " clock source: %s\n",
230 str_from_array(clock_sources,
231 ARRAY_SIZE(clock_sources),
232 buf.ext_sync.clock_source));
233 snd_iprintf(buffer, " locked: %u\n", buf.ext_sync.locked);
234 snd_iprintf(buffer, " rate: %s\n",
235 str_from_array(rates, ARRAY_SIZE(rates),
236 buf.ext_sync.rate));
237 snd_iprintf(buffer, " adat user data: ");
238 if (buf.ext_sync.adat_user_data & ADAT_USER_DATA_NO_DATA)
239 snd_iprintf(buffer, "-\n");
240 else
241 snd_iprintf(buffer, "%x\n",
242 buf.ext_sync.adat_user_data);
243 }
244}
245
246void snd_dice_create_proc(struct snd_dice *dice)
247{
248 struct snd_info_entry *entry;
249
250 if (!snd_card_proc_new(dice->card, "dice", &entry))
251 snd_info_set_text_ops(entry, dice, dice_proc_read);
252}
253
