x86/speculation/mds: Fix documentation typo
[linux/fpc-iii.git] / sound / isa / msnd / msnd_pinnacle_mixer.c
blobb408540798c1648d04a4ec1c36086844326affe1
1 /***************************************************************************
2 msnd_pinnacle_mixer.c - description
3 -------------------
4 begin : Fre Jun 7 2002
5 copyright : (C) 2002 by karsten wiese
6 email : annabellesgarden@yahoo.de
7 ***************************************************************************/
9 /***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
18 #include <linux/io.h>
19 #include <linux/export.h>
21 #include <sound/core.h>
22 #include <sound/control.h>
23 #include "msnd.h"
24 #include "msnd_pinnacle.h"
27 #define MSND_MIXER_VOLUME 0
28 #define MSND_MIXER_PCM 1
29 #define MSND_MIXER_AUX 2 /* Input source 1 (aux1) */
30 #define MSND_MIXER_IMIX 3 /* Recording monitor */
31 #define MSND_MIXER_SYNTH 4
32 #define MSND_MIXER_SPEAKER 5
33 #define MSND_MIXER_LINE 6
34 #define MSND_MIXER_MIC 7
35 #define MSND_MIXER_RECLEV 11 /* Recording level */
36 #define MSND_MIXER_IGAIN 12 /* Input gain */
37 #define MSND_MIXER_OGAIN 13 /* Output gain */
38 #define MSND_MIXER_DIGITAL 17 /* Digital (input) 1 */
40 /* Device mask bits */
42 #define MSND_MASK_VOLUME (1 << MSND_MIXER_VOLUME)
43 #define MSND_MASK_SYNTH (1 << MSND_MIXER_SYNTH)
44 #define MSND_MASK_PCM (1 << MSND_MIXER_PCM)
45 #define MSND_MASK_SPEAKER (1 << MSND_MIXER_SPEAKER)
46 #define MSND_MASK_LINE (1 << MSND_MIXER_LINE)
47 #define MSND_MASK_MIC (1 << MSND_MIXER_MIC)
48 #define MSND_MASK_IMIX (1 << MSND_MIXER_IMIX)
49 #define MSND_MASK_RECLEV (1 << MSND_MIXER_RECLEV)
50 #define MSND_MASK_IGAIN (1 << MSND_MIXER_IGAIN)
51 #define MSND_MASK_OGAIN (1 << MSND_MIXER_OGAIN)
52 #define MSND_MASK_AUX (1 << MSND_MIXER_AUX)
53 #define MSND_MASK_DIGITAL (1 << MSND_MIXER_DIGITAL)
55 static int snd_msndmix_info_mux(struct snd_kcontrol *kcontrol,
56 struct snd_ctl_elem_info *uinfo)
58 static const char * const texts[3] = {
59 "Analog", "MASS", "SPDIF",
61 struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
62 unsigned items = test_bit(F_HAVEDIGITAL, &chip->flags) ? 3 : 2;
64 return snd_ctl_enum_info(uinfo, 1, items, texts);
67 static int snd_msndmix_get_mux(struct snd_kcontrol *kcontrol,
68 struct snd_ctl_elem_value *ucontrol)
70 struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
71 /* MSND_MASK_IMIX is the default */
72 ucontrol->value.enumerated.item[0] = 0;
74 if (chip->recsrc & MSND_MASK_SYNTH) {
75 ucontrol->value.enumerated.item[0] = 1;
76 } else if ((chip->recsrc & MSND_MASK_DIGITAL) &&
77 test_bit(F_HAVEDIGITAL, &chip->flags)) {
78 ucontrol->value.enumerated.item[0] = 2;
82 return 0;
85 static int snd_msndmix_set_mux(struct snd_msnd *chip, int val)
87 unsigned newrecsrc;
88 int change;
89 unsigned char msndbyte;
91 switch (val) {
92 case 0:
93 newrecsrc = MSND_MASK_IMIX;
94 msndbyte = HDEXAR_SET_ANA_IN;
95 break;
96 case 1:
97 newrecsrc = MSND_MASK_SYNTH;
98 msndbyte = HDEXAR_SET_SYNTH_IN;
99 break;
100 case 2:
101 newrecsrc = MSND_MASK_DIGITAL;
102 msndbyte = HDEXAR_SET_DAT_IN;
103 break;
104 default:
105 return -EINVAL;
107 change = newrecsrc != chip->recsrc;
108 if (change) {
109 change = 0;
110 if (!snd_msnd_send_word(chip, 0, 0, msndbyte))
111 if (!snd_msnd_send_dsp_cmd(chip, HDEX_AUX_REQ)) {
112 chip->recsrc = newrecsrc;
113 change = 1;
116 return change;
119 static int snd_msndmix_put_mux(struct snd_kcontrol *kcontrol,
120 struct snd_ctl_elem_value *ucontrol)
122 struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
123 return snd_msndmix_set_mux(msnd, ucontrol->value.enumerated.item[0]);
127 static int snd_msndmix_volume_info(struct snd_kcontrol *kcontrol,
128 struct snd_ctl_elem_info *uinfo)
130 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
131 uinfo->count = 2;
132 uinfo->value.integer.min = 0;
133 uinfo->value.integer.max = 100;
134 return 0;
137 static int snd_msndmix_volume_get(struct snd_kcontrol *kcontrol,
138 struct snd_ctl_elem_value *ucontrol)
140 struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
141 int addr = kcontrol->private_value;
142 unsigned long flags;
144 spin_lock_irqsave(&msnd->mixer_lock, flags);
145 ucontrol->value.integer.value[0] = msnd->left_levels[addr] * 100;
146 ucontrol->value.integer.value[0] /= 0xFFFF;
147 ucontrol->value.integer.value[1] = msnd->right_levels[addr] * 100;
148 ucontrol->value.integer.value[1] /= 0xFFFF;
149 spin_unlock_irqrestore(&msnd->mixer_lock, flags);
150 return 0;
153 #define update_volm(a, b) \
154 do { \
155 writew((dev->left_levels[a] >> 1) * \
156 readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
157 dev->SMA + SMA_##b##Left); \
158 writew((dev->right_levels[a] >> 1) * \
159 readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
160 dev->SMA + SMA_##b##Right); \
161 } while (0);
163 #define update_potm(d, s, ar) \
164 do { \
165 writeb((dev->left_levels[d] >> 8) * \
166 readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
167 dev->SMA + SMA_##s##Left); \
168 writeb((dev->right_levels[d] >> 8) * \
169 readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
170 dev->SMA + SMA_##s##Right); \
171 if (snd_msnd_send_word(dev, 0, 0, ar) == 0) \
172 snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ); \
173 } while (0);
175 #define update_pot(d, s, ar) \
176 do { \
177 writeb(dev->left_levels[d] >> 8, \
178 dev->SMA + SMA_##s##Left); \
179 writeb(dev->right_levels[d] >> 8, \
180 dev->SMA + SMA_##s##Right); \
181 if (snd_msnd_send_word(dev, 0, 0, ar) == 0) \
182 snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ); \
183 } while (0);
186 static int snd_msndmix_set(struct snd_msnd *dev, int d, int left, int right)
188 int bLeft, bRight;
189 int wLeft, wRight;
190 int updatemaster = 0;
192 if (d >= LEVEL_ENTRIES)
193 return -EINVAL;
195 bLeft = left * 0xff / 100;
196 wLeft = left * 0xffff / 100;
198 bRight = right * 0xff / 100;
199 wRight = right * 0xffff / 100;
201 dev->left_levels[d] = wLeft;
202 dev->right_levels[d] = wRight;
204 switch (d) {
205 /* master volume unscaled controls */
206 case MSND_MIXER_LINE: /* line pot control */
207 /* scaled by IMIX in digital mix */
208 writeb(bLeft, dev->SMA + SMA_bInPotPosLeft);
209 writeb(bRight, dev->SMA + SMA_bInPotPosRight);
210 if (snd_msnd_send_word(dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
211 snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
212 break;
213 case MSND_MIXER_MIC: /* mic pot control */
214 if (dev->type == msndClassic)
215 return -EINVAL;
216 /* scaled by IMIX in digital mix */
217 writeb(bLeft, dev->SMA + SMA_bMicPotPosLeft);
218 writeb(bRight, dev->SMA + SMA_bMicPotPosRight);
219 if (snd_msnd_send_word(dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
220 snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
221 break;
222 case MSND_MIXER_VOLUME: /* master volume */
223 writew(wLeft, dev->SMA + SMA_wCurrMastVolLeft);
224 writew(wRight, dev->SMA + SMA_wCurrMastVolRight);
225 /* fall through */
227 case MSND_MIXER_AUX: /* aux pot control */
228 /* scaled by master volume */
229 /* fall through */
231 /* digital controls */
232 case MSND_MIXER_SYNTH: /* synth vol (dsp mix) */
233 case MSND_MIXER_PCM: /* pcm vol (dsp mix) */
234 case MSND_MIXER_IMIX: /* input monitor (dsp mix) */
235 /* scaled by master volume */
236 updatemaster = 1;
237 break;
239 default:
240 return -EINVAL;
243 if (updatemaster) {
244 /* update master volume scaled controls */
245 update_volm(MSND_MIXER_PCM, wCurrPlayVol);
246 update_volm(MSND_MIXER_IMIX, wCurrInVol);
247 if (dev->type == msndPinnacle)
248 update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
249 update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
252 return 0;
255 static int snd_msndmix_volume_put(struct snd_kcontrol *kcontrol,
256 struct snd_ctl_elem_value *ucontrol)
258 struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
259 int change, addr = kcontrol->private_value;
260 int left, right;
261 unsigned long flags;
263 left = ucontrol->value.integer.value[0] % 101;
264 right = ucontrol->value.integer.value[1] % 101;
265 spin_lock_irqsave(&msnd->mixer_lock, flags);
266 change = msnd->left_levels[addr] != left
267 || msnd->right_levels[addr] != right;
268 snd_msndmix_set(msnd, addr, left, right);
269 spin_unlock_irqrestore(&msnd->mixer_lock, flags);
270 return change;
274 #define DUMMY_VOLUME(xname, xindex, addr) \
275 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
276 .info = snd_msndmix_volume_info, \
277 .get = snd_msndmix_volume_get, .put = snd_msndmix_volume_put, \
278 .private_value = addr }
281 static struct snd_kcontrol_new snd_msnd_controls[] = {
282 DUMMY_VOLUME("Master Volume", 0, MSND_MIXER_VOLUME),
283 DUMMY_VOLUME("PCM Volume", 0, MSND_MIXER_PCM),
284 DUMMY_VOLUME("Aux Volume", 0, MSND_MIXER_AUX),
285 DUMMY_VOLUME("Line Volume", 0, MSND_MIXER_LINE),
286 DUMMY_VOLUME("Mic Volume", 0, MSND_MIXER_MIC),
287 DUMMY_VOLUME("Monitor", 0, MSND_MIXER_IMIX),
289 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
290 .name = "Capture Source",
291 .info = snd_msndmix_info_mux,
292 .get = snd_msndmix_get_mux,
293 .put = snd_msndmix_put_mux,
298 int snd_msndmix_new(struct snd_card *card)
300 struct snd_msnd *chip = card->private_data;
301 unsigned int idx;
302 int err;
304 if (snd_BUG_ON(!chip))
305 return -EINVAL;
306 spin_lock_init(&chip->mixer_lock);
307 strcpy(card->mixername, "MSND Pinnacle Mixer");
309 for (idx = 0; idx < ARRAY_SIZE(snd_msnd_controls); idx++) {
310 err = snd_ctl_add(card,
311 snd_ctl_new1(snd_msnd_controls + idx, chip));
312 if (err < 0)
313 return err;
316 return 0;
318 EXPORT_SYMBOL(snd_msndmix_new);
320 void snd_msndmix_setup(struct snd_msnd *dev)
322 update_pot(MSND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
323 update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
324 update_volm(MSND_MIXER_PCM, wCurrPlayVol);
325 update_volm(MSND_MIXER_IMIX, wCurrInVol);
326 if (dev->type == msndPinnacle) {
327 update_pot(MSND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
328 update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
331 EXPORT_SYMBOL(snd_msndmix_setup);
333 int snd_msndmix_force_recsrc(struct snd_msnd *dev, int recsrc)
335 dev->recsrc = -1;
336 return snd_msndmix_set_mux(dev, recsrc);
338 EXPORT_SYMBOL(snd_msndmix_force_recsrc);