1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * fireworks_proc.c - a part of driver for Fireworks based devices
4 *
5 * Copyright (c) 2009-2010 Clemens Ladisch
6 * Copyright (c) 2013-2014 Takashi Sakamoto
7 */
8
9 #include "./fireworks.h"
10
11 static inline const char*
get_phys_name(struct snd_efw_phys_grp * grp,bool input)12 get_phys_name(struct snd_efw_phys_grp *grp, bool input)
13 {
14 static const char *const ch_type[] = {
15 "Analog", "S/PDIF", "ADAT", "S/PDIF or ADAT", "Mirroring",
16 "Headphones", "I2S", "Guitar", "Pirzo Guitar", "Guitar String",
17 };
18
19 if (grp->type < ARRAY_SIZE(ch_type))
20 return ch_type[grp->type];
21 else if (input)
22 return "Input";
23 else
24 return "Output";
25 }
26
27 static void
proc_read_hwinfo(struct snd_info_entry * entry,struct snd_info_buffer * buffer)28 proc_read_hwinfo(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
29 {
30 struct snd_efw *efw = entry->private_data;
31 unsigned short i;
32 struct snd_efw_hwinfo *hwinfo;
33
34 hwinfo = kmalloc(sizeof(struct snd_efw_hwinfo), GFP_KERNEL);
35 if (hwinfo == NULL)
36 return;
37
38 if (snd_efw_command_get_hwinfo(efw, hwinfo) < 0)
39 goto end;
40
41 snd_iprintf(buffer, "guid_hi: 0x%X\n", hwinfo->guid_hi);
42 snd_iprintf(buffer, "guid_lo: 0x%X\n", hwinfo->guid_lo);
43 snd_iprintf(buffer, "type: 0x%X\n", hwinfo->type);
44 snd_iprintf(buffer, "version: 0x%X\n", hwinfo->version);
45 snd_iprintf(buffer, "vendor_name: %s\n", hwinfo->vendor_name);
46 snd_iprintf(buffer, "model_name: %s\n", hwinfo->model_name);
47
48 snd_iprintf(buffer, "dsp_version: 0x%X\n", hwinfo->dsp_version);
49 snd_iprintf(buffer, "arm_version: 0x%X\n", hwinfo->arm_version);
50 snd_iprintf(buffer, "fpga_version: 0x%X\n", hwinfo->fpga_version);
51
52 snd_iprintf(buffer, "flags: 0x%X\n", hwinfo->flags);
53
54 snd_iprintf(buffer, "max_sample_rate: 0x%X\n", hwinfo->max_sample_rate);
55 snd_iprintf(buffer, "min_sample_rate: 0x%X\n", hwinfo->min_sample_rate);
56 snd_iprintf(buffer, "supported_clock: 0x%X\n",
57 hwinfo->supported_clocks);
58
59 snd_iprintf(buffer, "phys out: 0x%X\n", hwinfo->phys_out);
60 snd_iprintf(buffer, "phys in: 0x%X\n", hwinfo->phys_in);
61
62 snd_iprintf(buffer, "phys in grps: 0x%X\n",
63 hwinfo->phys_in_grp_count);
64 for (i = 0; i < hwinfo->phys_in_grp_count; i++) {
65 snd_iprintf(buffer,
66 "phys in grp[%d]: type 0x%X, count 0x%X\n",
67 i, hwinfo->phys_out_grps[i].type,
68 hwinfo->phys_out_grps[i].count);
69 }
70
71 snd_iprintf(buffer, "phys out grps: 0x%X\n",
72 hwinfo->phys_out_grp_count);
73 for (i = 0; i < hwinfo->phys_out_grp_count; i++) {
74 snd_iprintf(buffer,
75 "phys out grps[%d]: type 0x%X, count 0x%X\n",
76 i, hwinfo->phys_out_grps[i].type,
77 hwinfo->phys_out_grps[i].count);
78 }
79
80 snd_iprintf(buffer, "amdtp rx pcm channels 1x: 0x%X\n",
81 hwinfo->amdtp_rx_pcm_channels);
82 snd_iprintf(buffer, "amdtp tx pcm channels 1x: 0x%X\n",
83 hwinfo->amdtp_tx_pcm_channels);
84 snd_iprintf(buffer, "amdtp rx pcm channels 2x: 0x%X\n",
85 hwinfo->amdtp_rx_pcm_channels_2x);
86 snd_iprintf(buffer, "amdtp tx pcm channels 2x: 0x%X\n",
87 hwinfo->amdtp_tx_pcm_channels_2x);
88 snd_iprintf(buffer, "amdtp rx pcm channels 4x: 0x%X\n",
89 hwinfo->amdtp_rx_pcm_channels_4x);
90 snd_iprintf(buffer, "amdtp tx pcm channels 4x: 0x%X\n",
91 hwinfo->amdtp_tx_pcm_channels_4x);
92
93 snd_iprintf(buffer, "midi out ports: 0x%X\n", hwinfo->midi_out_ports);
94 snd_iprintf(buffer, "midi in ports: 0x%X\n", hwinfo->midi_in_ports);
95
96 snd_iprintf(buffer, "mixer playback channels: 0x%X\n",
97 hwinfo->mixer_playback_channels);
98 snd_iprintf(buffer, "mixer capture channels: 0x%X\n",
99 hwinfo->mixer_capture_channels);
100 end:
101 kfree(hwinfo);
102 }
103
104 static void
proc_read_clock(struct snd_info_entry * entry,struct snd_info_buffer * buffer)105 proc_read_clock(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
106 {
107 struct snd_efw *efw = entry->private_data;
108 enum snd_efw_clock_source clock_source;
109 unsigned int sampling_rate;
110
111 if (snd_efw_command_get_clock_source(efw, &clock_source) < 0)
112 return;
113
114 if (snd_efw_command_get_sampling_rate(efw, &sampling_rate) < 0)
115 return;
116
117 snd_iprintf(buffer, "Clock Source: %d\n", clock_source);
118 snd_iprintf(buffer, "Sampling Rate: %d\n", sampling_rate);
119 }
120
121 /*
122 * NOTE:
123 * dB = 20 * log10(linear / 0x01000000)
124 * -144.0 dB when linear is 0
125 */
126 static void
proc_read_phys_meters(struct snd_info_entry * entry,struct snd_info_buffer * buffer)127 proc_read_phys_meters(struct snd_info_entry *entry,
128 struct snd_info_buffer *buffer)
129 {
130 struct snd_efw *efw = entry->private_data;
131 struct snd_efw_phys_meters *meters;
132 unsigned int g, c, m, max, size;
133 const char *name;
134 u32 *linear;
135 int err;
136
137 size = sizeof(struct snd_efw_phys_meters) +
138 (efw->phys_in + efw->phys_out) * sizeof(u32);
139 meters = kzalloc(size, GFP_KERNEL);
140 if (meters == NULL)
141 return;
142
143 err = snd_efw_command_get_phys_meters(efw, meters, size);
144 if (err < 0)
145 goto end;
146
147 snd_iprintf(buffer, "Physical Meters:\n");
148
149 m = 0;
150 max = min(efw->phys_out, meters->out_meters);
151 linear = meters->values;
152 snd_iprintf(buffer, " %d Outputs:\n", max);
153 for (g = 0; g < efw->phys_out_grp_count; g++) {
154 name = get_phys_name(&efw->phys_out_grps[g], false);
155 for (c = 0; c < efw->phys_out_grps[g].count; c++) {
156 if (m < max)
157 snd_iprintf(buffer, "\t%s [%d]: %d\n",
158 name, c, linear[m++]);
159 }
160 }
161
162 m = 0;
163 max = min(efw->phys_in, meters->in_meters);
164 linear = meters->values + meters->out_meters;
165 snd_iprintf(buffer, " %d Inputs:\n", max);
166 for (g = 0; g < efw->phys_in_grp_count; g++) {
167 name = get_phys_name(&efw->phys_in_grps[g], true);
168 for (c = 0; c < efw->phys_in_grps[g].count; c++)
169 if (m < max)
170 snd_iprintf(buffer, "\t%s [%d]: %d\n",
171 name, c, linear[m++]);
172 }
173 end:
174 kfree(meters);
175 }
176
177 static void
proc_read_queues_state(struct snd_info_entry * entry,struct snd_info_buffer * buffer)178 proc_read_queues_state(struct snd_info_entry *entry,
179 struct snd_info_buffer *buffer)
180 {
181 struct snd_efw *efw = entry->private_data;
182 unsigned int consumed;
183
184 if (efw->pull_ptr > efw->push_ptr)
185 consumed = snd_efw_resp_buf_size -
186 (unsigned int)(efw->pull_ptr - efw->push_ptr);
187 else
188 consumed = (unsigned int)(efw->push_ptr - efw->pull_ptr);
189
190 snd_iprintf(buffer, "%d/%d\n",
191 consumed, snd_efw_resp_buf_size);
192 }
193
194 static void
add_node(struct snd_efw * efw,struct snd_info_entry * root,const char * name,void (* op)(struct snd_info_entry * e,struct snd_info_buffer * b))195 add_node(struct snd_efw *efw, struct snd_info_entry *root, const char *name,
196 void (*op)(struct snd_info_entry *e, struct snd_info_buffer *b))
197 {
198 struct snd_info_entry *entry;
199
200 entry = snd_info_create_card_entry(efw->card, name, root);
201 if (entry)
202 snd_info_set_text_ops(entry, efw, op);
203 }
204
snd_efw_proc_init(struct snd_efw * efw)205 void snd_efw_proc_init(struct snd_efw *efw)
206 {
207 struct snd_info_entry *root;
208
209 /*
210 * All nodes are automatically removed at snd_card_disconnect(),
211 * by following to link list.
212 */
213 root = snd_info_create_card_entry(efw->card, "firewire",
214 efw->card->proc_root);
215 if (root == NULL)
216 return;
217 root->mode = S_IFDIR | 0555;
218
219 add_node(efw, root, "clock", proc_read_clock);
220 add_node(efw, root, "firmware", proc_read_hwinfo);
221 add_node(efw, root, "meters", proc_read_phys_meters);
222 add_node(efw, root, "queues", proc_read_queues_state);
223 }
224