1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Support for Digigram Lola PCI-e boards
4 *
5 * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
6 */
7
8 #include <linux/kernel.h>
9 #include <linux/init.h>
10 #include <linux/io.h>
11 #include <sound/core.h>
12 #include <sound/info.h>
13 #include <sound/pcm.h>
14 #include "lola.h"
15
print_audio_widget(struct snd_info_buffer * buffer,struct lola * chip,int nid,const char * name)16 static void print_audio_widget(struct snd_info_buffer *buffer,
17 struct lola *chip, int nid, const char *name)
18 {
19 unsigned int val;
20
21 lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
22 snd_iprintf(buffer, "Node 0x%02x %s wcaps 0x%x\n", nid, name, val);
23 lola_read_param(chip, nid, LOLA_PAR_STREAM_FORMATS, &val);
24 snd_iprintf(buffer, " Formats: 0x%x\n", val);
25 }
26
print_pin_widget(struct snd_info_buffer * buffer,struct lola * chip,int nid,unsigned int ampcap,const char * name)27 static void print_pin_widget(struct snd_info_buffer *buffer,
28 struct lola *chip, int nid, unsigned int ampcap,
29 const char *name)
30 {
31 unsigned int val;
32
33 lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
34 snd_iprintf(buffer, "Node 0x%02x %s wcaps 0x%x\n", nid, name, val);
35 if (val == 0x00400200)
36 return;
37 lola_read_param(chip, nid, ampcap, &val);
38 snd_iprintf(buffer, " Amp-Caps: 0x%x\n", val);
39 snd_iprintf(buffer, " mute=%d, step-size=%d, steps=%d, ofs=%d\n",
40 LOLA_AMP_MUTE_CAPABLE(val),
41 LOLA_AMP_STEP_SIZE(val),
42 LOLA_AMP_NUM_STEPS(val),
43 LOLA_AMP_OFFSET(val));
44 lola_codec_read(chip, nid, LOLA_VERB_GET_MAX_LEVEL, 0, 0, &val, NULL);
45 snd_iprintf(buffer, " Max-level: 0x%x\n", val);
46 }
47
print_clock_widget(struct snd_info_buffer * buffer,struct lola * chip,int nid)48 static void print_clock_widget(struct snd_info_buffer *buffer,
49 struct lola *chip, int nid)
50 {
51 int i, j, num_clocks;
52 unsigned int val;
53
54 lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
55 snd_iprintf(buffer, "Node 0x%02x [Clock] wcaps 0x%x\n", nid, val);
56 num_clocks = val & 0xff;
57 for (i = 0; i < num_clocks; i += 4) {
58 unsigned int res_ex;
59 unsigned short items[4];
60 const char *name;
61
62 lola_codec_read(chip, nid, LOLA_VERB_GET_CLOCK_LIST,
63 i, 0, &val, &res_ex);
64 items[0] = val & 0xfff;
65 items[1] = (val >> 16) & 0xfff;
66 items[2] = res_ex & 0xfff;
67 items[3] = (res_ex >> 16) & 0xfff;
68 for (j = 0; j < 4; j++) {
69 unsigned char type = items[j] >> 8;
70 unsigned int freq = items[j] & 0xff;
71 if (i + j >= num_clocks)
72 break;
73 if (type == LOLA_CLOCK_TYPE_INTERNAL) {
74 name = "Internal";
75 freq = lola_sample_rate_convert(freq);
76 } else if (type == LOLA_CLOCK_TYPE_VIDEO) {
77 name = "Video";
78 freq = lola_sample_rate_convert(freq);
79 } else {
80 name = "Other";
81 }
82 snd_iprintf(buffer, " Clock %d: Type %d:%s, freq=%d\n",
83 i + j, type, name, freq);
84 }
85 }
86 }
87
print_mixer_widget(struct snd_info_buffer * buffer,struct lola * chip,int nid)88 static void print_mixer_widget(struct snd_info_buffer *buffer,
89 struct lola *chip, int nid)
90 {
91 unsigned int val;
92
93 lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
94 snd_iprintf(buffer, "Node 0x%02x [Mixer] wcaps 0x%x\n", nid, val);
95 }
96
lola_proc_codec_read(struct snd_info_entry * entry,struct snd_info_buffer * buffer)97 static void lola_proc_codec_read(struct snd_info_entry *entry,
98 struct snd_info_buffer *buffer)
99 {
100 struct lola *chip = entry->private_data;
101 unsigned int val;
102 int i, nid;
103
104 lola_read_param(chip, 0, LOLA_PAR_VENDOR_ID, &val);
105 snd_iprintf(buffer, "Vendor: 0x%08x\n", val);
106 lola_read_param(chip, 1, LOLA_PAR_FUNCTION_TYPE, &val);
107 snd_iprintf(buffer, "Function Type: %d\n", val);
108 lola_read_param(chip, 1, LOLA_PAR_SPECIFIC_CAPS, &val);
109 snd_iprintf(buffer, "Specific-Caps: 0x%08x\n", val);
110 snd_iprintf(buffer, " Pins-In %d, Pins-Out %d\n",
111 chip->pin[CAPT].num_pins, chip->pin[PLAY].num_pins);
112 nid = 2;
113 for (i = 0; i < chip->pcm[CAPT].num_streams; i++, nid++)
114 print_audio_widget(buffer, chip, nid, "[Audio-In]");
115 for (i = 0; i < chip->pcm[PLAY].num_streams; i++, nid++)
116 print_audio_widget(buffer, chip, nid, "[Audio-Out]");
117 for (i = 0; i < chip->pin[CAPT].num_pins; i++, nid++)
118 print_pin_widget(buffer, chip, nid, LOLA_PAR_AMP_IN_CAP,
119 "[Pin-In]");
120 for (i = 0; i < chip->pin[PLAY].num_pins; i++, nid++)
121 print_pin_widget(buffer, chip, nid, LOLA_PAR_AMP_OUT_CAP,
122 "[Pin-Out]");
123 if (LOLA_AFG_CLOCK_WIDGET_PRESENT(chip->lola_caps)) {
124 print_clock_widget(buffer, chip, nid);
125 nid++;
126 }
127 if (LOLA_AFG_MIXER_WIDGET_PRESENT(chip->lola_caps)) {
128 print_mixer_widget(buffer, chip, nid);
129 nid++;
130 }
131 }
132
133 /* direct codec access for debugging */
lola_proc_codec_rw_write(struct snd_info_entry * entry,struct snd_info_buffer * buffer)134 static void lola_proc_codec_rw_write(struct snd_info_entry *entry,
135 struct snd_info_buffer *buffer)
136 {
137 struct lola *chip = entry->private_data;
138 char line[64];
139 unsigned int id, verb, data, extdata;
140 while (!snd_info_get_line(buffer, line, sizeof(line))) {
141 if (sscanf(line, "%u %u %u %u", &id, &verb, &data, &extdata) != 4)
142 continue;
143 lola_codec_read(chip, id, verb, data, extdata,
144 &chip->debug_res,
145 &chip->debug_res_ex);
146 }
147 }
148
lola_proc_codec_rw_read(struct snd_info_entry * entry,struct snd_info_buffer * buffer)149 static void lola_proc_codec_rw_read(struct snd_info_entry *entry,
150 struct snd_info_buffer *buffer)
151 {
152 struct lola *chip = entry->private_data;
153 snd_iprintf(buffer, "0x%x 0x%x\n", chip->debug_res, chip->debug_res_ex);
154 }
155
156 /*
157 * dump some registers
158 */
lola_proc_regs_read(struct snd_info_entry * entry,struct snd_info_buffer * buffer)159 static void lola_proc_regs_read(struct snd_info_entry *entry,
160 struct snd_info_buffer *buffer)
161 {
162 struct lola *chip = entry->private_data;
163 int i;
164
165 for (i = 0; i < 0x40; i += 4) {
166 snd_iprintf(buffer, "BAR0 %02x: %08x\n", i,
167 readl(chip->bar[BAR0].remap_addr + i));
168 }
169 snd_iprintf(buffer, "\n");
170 for (i = 0; i < 0x30; i += 4) {
171 snd_iprintf(buffer, "BAR1 %02x: %08x\n", i,
172 readl(chip->bar[BAR1].remap_addr + i));
173 }
174 snd_iprintf(buffer, "\n");
175 for (i = 0x80; i < 0xa0; i += 4) {
176 snd_iprintf(buffer, "BAR1 %02x: %08x\n", i,
177 readl(chip->bar[BAR1].remap_addr + i));
178 }
179 snd_iprintf(buffer, "\n");
180 for (i = 0; i < 32; i++) {
181 snd_iprintf(buffer, "DSD %02x STS %08x\n", i,
182 lola_dsd_read(chip, i, STS));
183 snd_iprintf(buffer, "DSD %02x LPIB %08x\n", i,
184 lola_dsd_read(chip, i, LPIB));
185 snd_iprintf(buffer, "DSD %02x CTL %08x\n", i,
186 lola_dsd_read(chip, i, CTL));
187 snd_iprintf(buffer, "DSD %02x LVIL %08x\n", i,
188 lola_dsd_read(chip, i, LVI));
189 snd_iprintf(buffer, "DSD %02x BDPL %08x\n", i,
190 lola_dsd_read(chip, i, BDPL));
191 snd_iprintf(buffer, "DSD %02x BDPU %08x\n", i,
192 lola_dsd_read(chip, i, BDPU));
193 }
194 }
195
lola_proc_debug_new(struct lola * chip)196 void lola_proc_debug_new(struct lola *chip)
197 {
198 snd_card_ro_proc_new(chip->card, "codec", chip, lola_proc_codec_read);
199 snd_card_rw_proc_new(chip->card, "codec_rw", chip,
200 lola_proc_codec_rw_read,
201 lola_proc_codec_rw_write);
202 snd_card_ro_proc_new(chip->card, "regs", chip, lola_proc_regs_read);
203 }
204