1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /***************************************************************************
3 msnd_pinnacle_mixer.c - description
4 -------------------
5 begin : Fre Jun 7 2002
6 copyright : (C) 2002 by karsten wiese
7 email : annabellesgarden@yahoo.de
8 ***************************************************************************/
9
10 /***************************************************************************
11 * *
12 * *
13 ***************************************************************************/
14
15 #include <linux/io.h>
16 #include <linux/export.h>
17
18 #include <sound/core.h>
19 #include <sound/control.h>
20 #include "msnd.h"
21 #include "msnd_pinnacle.h"
22
23
24 #define MSND_MIXER_VOLUME 0
25 #define MSND_MIXER_PCM 1
26 #define MSND_MIXER_AUX 2 /* Input source 1 (aux1) */
27 #define MSND_MIXER_IMIX 3 /* Recording monitor */
28 #define MSND_MIXER_SYNTH 4
29 #define MSND_MIXER_SPEAKER 5
30 #define MSND_MIXER_LINE 6
31 #define MSND_MIXER_MIC 7
32 #define MSND_MIXER_RECLEV 11 /* Recording level */
33 #define MSND_MIXER_IGAIN 12 /* Input gain */
34 #define MSND_MIXER_OGAIN 13 /* Output gain */
35 #define MSND_MIXER_DIGITAL 17 /* Digital (input) 1 */
36
37 /* Device mask bits */
38
39 #define MSND_MASK_VOLUME (1 << MSND_MIXER_VOLUME)
40 #define MSND_MASK_SYNTH (1 << MSND_MIXER_SYNTH)
41 #define MSND_MASK_PCM (1 << MSND_MIXER_PCM)
42 #define MSND_MASK_SPEAKER (1 << MSND_MIXER_SPEAKER)
43 #define MSND_MASK_LINE (1 << MSND_MIXER_LINE)
44 #define MSND_MASK_MIC (1 << MSND_MIXER_MIC)
45 #define MSND_MASK_IMIX (1 << MSND_MIXER_IMIX)
46 #define MSND_MASK_RECLEV (1 << MSND_MIXER_RECLEV)
47 #define MSND_MASK_IGAIN (1 << MSND_MIXER_IGAIN)
48 #define MSND_MASK_OGAIN (1 << MSND_MIXER_OGAIN)
49 #define MSND_MASK_AUX (1 << MSND_MIXER_AUX)
50 #define MSND_MASK_DIGITAL (1 << MSND_MIXER_DIGITAL)
51
52 static int snd_msndmix_info_mux(struct snd_kcontrol *kcontrol,
53 struct snd_ctl_elem_info *uinfo)
54 {
55 static const char * const texts[3] = {
56 "Analog", "MASS", "SPDIF",
57 };
58 struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
59 unsigned items = test_bit(F_HAVEDIGITAL, &chip->flags) ? 3 : 2;
60
61 return snd_ctl_enum_info(uinfo, 1, items, texts);
62 }
63
64 static int snd_msndmix_get_mux(struct snd_kcontrol *kcontrol,
65 struct snd_ctl_elem_value *ucontrol)
66 {
67 struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
68 /* MSND_MASK_IMIX is the default */
69 ucontrol->value.enumerated.item[0] = 0;
70
71 if (chip->recsrc & MSND_MASK_SYNTH) {
72 ucontrol->value.enumerated.item[0] = 1;
73 } else if ((chip->recsrc & MSND_MASK_DIGITAL) &&
74 test_bit(F_HAVEDIGITAL, &chip->flags)) {
75 ucontrol->value.enumerated.item[0] = 2;
76 }
77
78
79 return 0;
80 }
81
82 static int snd_msndmix_set_mux(struct snd_msnd *chip, int val)
83 {
84 unsigned newrecsrc;
85 int change;
86 unsigned char msndbyte;
87
88 switch (val) {
89 case 0:
90 newrecsrc = MSND_MASK_IMIX;
91 msndbyte = HDEXAR_SET_ANA_IN;
92 break;
93 case 1:
94 newrecsrc = MSND_MASK_SYNTH;
95 msndbyte = HDEXAR_SET_SYNTH_IN;
96 break;
97 case 2:
98 newrecsrc = MSND_MASK_DIGITAL;
99 msndbyte = HDEXAR_SET_DAT_IN;
100 break;
101 default:
102 return -EINVAL;
103 }
104 change = newrecsrc != chip->recsrc;
105 if (change) {
106 change = 0;
107 if (!snd_msnd_send_word(chip, 0, 0, msndbyte))
108 if (!snd_msnd_send_dsp_cmd(chip, HDEX_AUX_REQ)) {
109 chip->recsrc = newrecsrc;
110 change = 1;
111 }
112 }
113 return change;
114 }
115
116 static int snd_msndmix_put_mux(struct snd_kcontrol *kcontrol,
117 struct snd_ctl_elem_value *ucontrol)
118 {
119 struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
120 return snd_msndmix_set_mux(msnd, ucontrol->value.enumerated.item[0]);
121 }
122
123
124 static int snd_msndmix_volume_info(struct snd_kcontrol *kcontrol,
125 struct snd_ctl_elem_info *uinfo)
126 {
127 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
128 uinfo->count = 2;
129 uinfo->value.integer.min = 0;
130 uinfo->value.integer.max = 100;
131 return 0;
132 }
133
134 static int snd_msndmix_volume_get(struct snd_kcontrol *kcontrol,
135 struct snd_ctl_elem_value *ucontrol)
136 {
137 struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
138 int addr = kcontrol->private_value;
139 unsigned long flags;
140
141 spin_lock_irqsave(&msnd->mixer_lock, flags);
142 ucontrol->value.integer.value[0] = msnd->left_levels[addr] * 100;
143 ucontrol->value.integer.value[0] /= 0xFFFF;
144 ucontrol->value.integer.value[1] = msnd->right_levels[addr] * 100;
145 ucontrol->value.integer.value[1] /= 0xFFFF;
146 spin_unlock_irqrestore(&msnd->mixer_lock, flags);
147 return 0;
148 }
149
150 #define update_volm(a, b) \
151 do { \
152 writew((dev->left_levels[a] >> 1) * \
153 readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
154 dev->SMA + SMA_##b##Left); \
155 writew((dev->right_levels[a] >> 1) * \
156 readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
157 dev->SMA + SMA_##b##Right); \
158 } while (0);
159
160 #define update_potm(d, s, ar) \
161 do { \
162 writeb((dev->left_levels[d] >> 8) * \
163 readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
164 dev->SMA + SMA_##s##Left); \
165 writeb((dev->right_levels[d] >> 8) * \
166 readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
167 dev->SMA + SMA_##s##Right); \
168 if (snd_msnd_send_word(dev, 0, 0, ar) == 0) \
169 snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ); \
170 } while (0);
171
172 #define update_pot(d, s, ar) \
173 do { \
174 writeb(dev->left_levels[d] >> 8, \
175 dev->SMA + SMA_##s##Left); \
176 writeb(dev->right_levels[d] >> 8, \
177 dev->SMA + SMA_##s##Right); \
178 if (snd_msnd_send_word(dev, 0, 0, ar) == 0) \
179 snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ); \
180 } while (0);
181
182
183 static int snd_msndmix_set(struct snd_msnd *dev, int d, int left, int right)
184 {
185 int bLeft, bRight;
186 int wLeft, wRight;
187 int updatemaster = 0;
188
189 if (d >= LEVEL_ENTRIES)
190 return -EINVAL;
191
192 bLeft = left * 0xff / 100;
193 wLeft = left * 0xffff / 100;
194
195 bRight = right * 0xff / 100;
196 wRight = right * 0xffff / 100;
197
198 dev->left_levels[d] = wLeft;
199 dev->right_levels[d] = wRight;
200
201 switch (d) {
202 /* master volume unscaled controls */
203 case MSND_MIXER_LINE: /* line pot control */
204 /* scaled by IMIX in digital mix */
205 writeb(bLeft, dev->SMA + SMA_bInPotPosLeft);
206 writeb(bRight, dev->SMA + SMA_bInPotPosRight);
207 if (snd_msnd_send_word(dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
208 snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
209 break;
210 case MSND_MIXER_MIC: /* mic pot control */
211 if (dev->type == msndClassic)
212 return -EINVAL;
213 /* scaled by IMIX in digital mix */
214 writeb(bLeft, dev->SMA + SMA_bMicPotPosLeft);
215 writeb(bRight, dev->SMA + SMA_bMicPotPosRight);
216 if (snd_msnd_send_word(dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
217 snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
218 break;
219 case MSND_MIXER_VOLUME: /* master volume */
220 writew(wLeft, dev->SMA + SMA_wCurrMastVolLeft);
221 writew(wRight, dev->SMA + SMA_wCurrMastVolRight);
222 fallthrough;
223 case MSND_MIXER_AUX: /* aux pot control */
224 /* scaled by master volume */
225
226 /* digital controls */
227 case MSND_MIXER_SYNTH: /* synth vol (dsp mix) */
228 case MSND_MIXER_PCM: /* pcm vol (dsp mix) */
229 case MSND_MIXER_IMIX: /* input monitor (dsp mix) */
230 /* scaled by master volume */
231 updatemaster = 1;
232 break;
233
234 default:
235 return -EINVAL;
236 }
237
238 if (updatemaster) {
239 /* update master volume scaled controls */
240 update_volm(MSND_MIXER_PCM, wCurrPlayVol);
241 update_volm(MSND_MIXER_IMIX, wCurrInVol);
242 if (dev->type == msndPinnacle)
243 update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
244 update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
245 }
246
247 return 0;
248 }
249
250 static int snd_msndmix_volume_put(struct snd_kcontrol *kcontrol,
251 struct snd_ctl_elem_value *ucontrol)
252 {
253 struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
254 int change, addr = kcontrol->private_value;
255 int left, right;
256 unsigned long flags;
257
258 left = ucontrol->value.integer.value[0] % 101;
259 right = ucontrol->value.integer.value[1] % 101;
260 spin_lock_irqsave(&msnd->mixer_lock, flags);
261 change = msnd->left_levels[addr] != left
262 || msnd->right_levels[addr] != right;
263 snd_msndmix_set(msnd, addr, left, right);
264 spin_unlock_irqrestore(&msnd->mixer_lock, flags);
265 return change;
266 }
267
268
269 #define DUMMY_VOLUME(xname, xindex, addr) \
270 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
271 .info = snd_msndmix_volume_info, \
272 .get = snd_msndmix_volume_get, .put = snd_msndmix_volume_put, \
273 .private_value = addr }
274
275
276 static const struct snd_kcontrol_new snd_msnd_controls[] = {
277 DUMMY_VOLUME("Master Volume", 0, MSND_MIXER_VOLUME),
278 DUMMY_VOLUME("PCM Volume", 0, MSND_MIXER_PCM),
279 DUMMY_VOLUME("Aux Volume", 0, MSND_MIXER_AUX),
280 DUMMY_VOLUME("Line Volume", 0, MSND_MIXER_LINE),
281 DUMMY_VOLUME("Mic Volume", 0, MSND_MIXER_MIC),
282 DUMMY_VOLUME("Monitor", 0, MSND_MIXER_IMIX),
283 {
284 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
285 .name = "Capture Source",
286 .info = snd_msndmix_info_mux,
287 .get = snd_msndmix_get_mux,
288 .put = snd_msndmix_put_mux,
289 }
290 };
291
292
293 int snd_msndmix_new(struct snd_card *card)
294 {
295 struct snd_msnd *chip = card->private_data;
296 unsigned int idx;
297 int err;
298
299 if (snd_BUG_ON(!chip))
300 return -EINVAL;
301 spin_lock_init(&chip->mixer_lock);
302 strcpy(card->mixername, "MSND Pinnacle Mixer");
303
304 for (idx = 0; idx < ARRAY_SIZE(snd_msnd_controls); idx++) {
305 err = snd_ctl_add(card,
306 snd_ctl_new1(snd_msnd_controls + idx, chip));
307 if (err < 0)
308 return err;
309 }
310
311 return 0;
312 }
313 EXPORT_SYMBOL(snd_msndmix_new);
314
315 void snd_msndmix_setup(struct snd_msnd *dev)
316 {
317 update_pot(MSND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
318 update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
319 update_volm(MSND_MIXER_PCM, wCurrPlayVol);
320 update_volm(MSND_MIXER_IMIX, wCurrInVol);
321 if (dev->type == msndPinnacle) {
322 update_pot(MSND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
323 update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
324 }
325 }
326 EXPORT_SYMBOL(snd_msndmix_setup);
327
328 int snd_msndmix_force_recsrc(struct snd_msnd *dev, int recsrc)
329 {
330 dev->recsrc = -1;
331 return snd_msndmix_set_mux(dev, recsrc);
332 }
333 EXPORT_SYMBOL(snd_msndmix_force_recsrc);
334
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