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Linux/sound/isa/msnd/msnd_pinnacle_mixer.c

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  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  ***************************************************************************/
  8 
  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  ***************************************************************************/
 17 
 18 #include <linux/io.h>
 19 
 20 #include <sound/core.h>
 21 #include <sound/control.h>
 22 #include "msnd.h"
 23 #include "msnd_pinnacle.h"
 24 
 25 
 26 #define MSND_MIXER_VOLUME       0
 27 #define MSND_MIXER_PCM          1
 28 #define MSND_MIXER_AUX          2       /* Input source 1  (aux1) */
 29 #define MSND_MIXER_IMIX         3       /*  Recording monitor  */
 30 #define MSND_MIXER_SYNTH        4
 31 #define MSND_MIXER_SPEAKER      5
 32 #define MSND_MIXER_LINE         6
 33 #define MSND_MIXER_MIC          7
 34 #define MSND_MIXER_RECLEV       11      /* Recording level */
 35 #define MSND_MIXER_IGAIN        12      /* Input gain */
 36 #define MSND_MIXER_OGAIN        13      /* Output gain */
 37 #define MSND_MIXER_DIGITAL      17      /* Digital (input) 1 */
 38 
 39 /*      Device mask bits        */
 40 
 41 #define MSND_MASK_VOLUME        (1 << MSND_MIXER_VOLUME)
 42 #define MSND_MASK_SYNTH         (1 << MSND_MIXER_SYNTH)
 43 #define MSND_MASK_PCM           (1 << MSND_MIXER_PCM)
 44 #define MSND_MASK_SPEAKER       (1 << MSND_MIXER_SPEAKER)
 45 #define MSND_MASK_LINE          (1 << MSND_MIXER_LINE)
 46 #define MSND_MASK_MIC           (1 << MSND_MIXER_MIC)
 47 #define MSND_MASK_IMIX          (1 << MSND_MIXER_IMIX)
 48 #define MSND_MASK_RECLEV        (1 << MSND_MIXER_RECLEV)
 49 #define MSND_MASK_IGAIN         (1 << MSND_MIXER_IGAIN)
 50 #define MSND_MASK_OGAIN         (1 << MSND_MIXER_OGAIN)
 51 #define MSND_MASK_AUX           (1 << MSND_MIXER_AUX)
 52 #define MSND_MASK_DIGITAL       (1 << MSND_MIXER_DIGITAL)
 53 
 54 static int snd_msndmix_info_mux(struct snd_kcontrol *kcontrol,
 55                                 struct snd_ctl_elem_info *uinfo)
 56 {
 57         static char *texts[3] = {
 58                 "Analog", "MASS", "SPDIF",
 59         };
 60         struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
 61         unsigned items = test_bit(F_HAVEDIGITAL, &chip->flags) ? 3 : 2;
 62 
 63         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 64         uinfo->count = 1;
 65         uinfo->value.enumerated.items = items;
 66         if (uinfo->value.enumerated.item >= items)
 67                 uinfo->value.enumerated.item = items - 1;
 68         strcpy(uinfo->value.enumerated.name,
 69                 texts[uinfo->value.enumerated.item]);
 70         return 0;
 71 }
 72 
 73 static int snd_msndmix_get_mux(struct snd_kcontrol *kcontrol,
 74                                 struct snd_ctl_elem_value *ucontrol)
 75 {
 76         struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
 77         /* MSND_MASK_IMIX is the default */
 78         ucontrol->value.enumerated.item[0] = 0;
 79 
 80         if (chip->recsrc & MSND_MASK_SYNTH) {
 81                 ucontrol->value.enumerated.item[0] = 1;
 82         } else if ((chip->recsrc & MSND_MASK_DIGITAL) &&
 83                  test_bit(F_HAVEDIGITAL, &chip->flags)) {
 84                 ucontrol->value.enumerated.item[0] = 2;
 85         }
 86 
 87 
 88         return 0;
 89 }
 90 
 91 static int snd_msndmix_set_mux(struct snd_msnd *chip, int val)
 92 {
 93         unsigned newrecsrc;
 94         int change;
 95         unsigned char msndbyte;
 96 
 97         switch (val) {
 98         case 0:
 99                 newrecsrc = MSND_MASK_IMIX;
100                 msndbyte = HDEXAR_SET_ANA_IN;
101                 break;
102         case 1:
103                 newrecsrc = MSND_MASK_SYNTH;
104                 msndbyte = HDEXAR_SET_SYNTH_IN;
105                 break;
106         case 2:
107                 newrecsrc = MSND_MASK_DIGITAL;
108                 msndbyte = HDEXAR_SET_DAT_IN;
109                 break;
110         default:
111                 return -EINVAL;
112         }
113         change  = newrecsrc != chip->recsrc;
114         if (change) {
115                 change = 0;
116                 if (!snd_msnd_send_word(chip, 0, 0, msndbyte))
117                         if (!snd_msnd_send_dsp_cmd(chip, HDEX_AUX_REQ)) {
118                                 chip->recsrc = newrecsrc;
119                                 change = 1;
120                         }
121         }
122         return change;
123 }
124 
125 static int snd_msndmix_put_mux(struct snd_kcontrol *kcontrol,
126                                 struct snd_ctl_elem_value *ucontrol)
127 {
128         struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
129         return snd_msndmix_set_mux(msnd, ucontrol->value.enumerated.item[0]);
130 }
131 
132 
133 static int snd_msndmix_volume_info(struct snd_kcontrol *kcontrol,
134                                    struct snd_ctl_elem_info *uinfo)
135 {
136         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
137         uinfo->count = 2;
138         uinfo->value.integer.min = 0;
139         uinfo->value.integer.max = 100;
140         return 0;
141 }
142 
143 static int snd_msndmix_volume_get(struct snd_kcontrol *kcontrol,
144                                   struct snd_ctl_elem_value *ucontrol)
145 {
146         struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
147         int addr = kcontrol->private_value;
148         unsigned long flags;
149 
150         spin_lock_irqsave(&msnd->mixer_lock, flags);
151         ucontrol->value.integer.value[0] = msnd->left_levels[addr] * 100;
152         ucontrol->value.integer.value[0] /= 0xFFFF;
153         ucontrol->value.integer.value[1] = msnd->right_levels[addr] * 100;
154         ucontrol->value.integer.value[1] /= 0xFFFF;
155         spin_unlock_irqrestore(&msnd->mixer_lock, flags);
156         return 0;
157 }
158 
159 #define update_volm(a, b)                                               \
160         do {                                                            \
161                 writew((dev->left_levels[a] >> 1) *                     \
162                        readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
163                        dev->SMA + SMA_##b##Left);                       \
164                 writew((dev->right_levels[a] >> 1)  *                   \
165                        readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
166                        dev->SMA + SMA_##b##Right);                      \
167         } while (0);
168 
169 #define update_potm(d, s, ar)                                           \
170         do {                                                            \
171                 writeb((dev->left_levels[d] >> 8) *                     \
172                        readw(dev->SMA + SMA_wCurrMastVolLeft) / 0xffff, \
173                        dev->SMA + SMA_##s##Left);                       \
174                 writeb((dev->right_levels[d] >> 8) *                    \
175                        readw(dev->SMA + SMA_wCurrMastVolRight) / 0xffff, \
176                        dev->SMA + SMA_##s##Right);                      \
177                 if (snd_msnd_send_word(dev, 0, 0, ar) == 0)             \
178                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);       \
179         } while (0);
180 
181 #define update_pot(d, s, ar)                                            \
182         do {                                                            \
183                 writeb(dev->left_levels[d] >> 8,                        \
184                        dev->SMA + SMA_##s##Left);                       \
185                 writeb(dev->right_levels[d] >> 8,                       \
186                        dev->SMA + SMA_##s##Right);                      \
187                 if (snd_msnd_send_word(dev, 0, 0, ar) == 0)             \
188                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);       \
189         } while (0);
190 
191 
192 static int snd_msndmix_set(struct snd_msnd *dev, int d, int left, int right)
193 {
194         int bLeft, bRight;
195         int wLeft, wRight;
196         int updatemaster = 0;
197 
198         if (d >= LEVEL_ENTRIES)
199                 return -EINVAL;
200 
201         bLeft = left * 0xff / 100;
202         wLeft = left * 0xffff / 100;
203 
204         bRight = right * 0xff / 100;
205         wRight = right * 0xffff / 100;
206 
207         dev->left_levels[d] = wLeft;
208         dev->right_levels[d] = wRight;
209 
210         switch (d) {
211                 /* master volume unscaled controls */
212         case MSND_MIXER_LINE:                   /* line pot control */
213                 /* scaled by IMIX in digital mix */
214                 writeb(bLeft, dev->SMA + SMA_bInPotPosLeft);
215                 writeb(bRight, dev->SMA + SMA_bInPotPosRight);
216                 if (snd_msnd_send_word(dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
217                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
218                 break;
219         case MSND_MIXER_MIC:                    /* mic pot control */
220                 if (dev->type == msndClassic)
221                         return -EINVAL;
222                 /* scaled by IMIX in digital mix */
223                 writeb(bLeft, dev->SMA + SMA_bMicPotPosLeft);
224                 writeb(bRight, dev->SMA + SMA_bMicPotPosRight);
225                 if (snd_msnd_send_word(dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
226                         snd_msnd_send_dsp_cmd(dev, HDEX_AUX_REQ);
227                 break;
228         case MSND_MIXER_VOLUME:         /* master volume */
229                 writew(wLeft, dev->SMA + SMA_wCurrMastVolLeft);
230                 writew(wRight, dev->SMA + SMA_wCurrMastVolRight);
231                 /* fall through */
232 
233         case MSND_MIXER_AUX:                    /* aux pot control */
234                 /* scaled by master volume */
235                 /* fall through */
236 
237                 /* digital controls */
238         case MSND_MIXER_SYNTH:                  /* synth vol (dsp mix) */
239         case MSND_MIXER_PCM:                    /* pcm vol (dsp mix) */
240         case MSND_MIXER_IMIX:                   /* input monitor (dsp mix) */
241                 /* scaled by master volume */
242                 updatemaster = 1;
243                 break;
244 
245         default:
246                 return -EINVAL;
247         }
248 
249         if (updatemaster) {
250                 /* update master volume scaled controls */
251                 update_volm(MSND_MIXER_PCM, wCurrPlayVol);
252                 update_volm(MSND_MIXER_IMIX, wCurrInVol);
253                 if (dev->type == msndPinnacle)
254                         update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
255                 update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
256         }
257 
258         return 0;
259 }
260 
261 static int snd_msndmix_volume_put(struct snd_kcontrol *kcontrol,
262                                   struct snd_ctl_elem_value *ucontrol)
263 {
264         struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
265         int change, addr = kcontrol->private_value;
266         int left, right;
267         unsigned long flags;
268 
269         left = ucontrol->value.integer.value[0] % 101;
270         right = ucontrol->value.integer.value[1] % 101;
271         spin_lock_irqsave(&msnd->mixer_lock, flags);
272         change = msnd->left_levels[addr] != left
273                 || msnd->right_levels[addr] != right;
274         snd_msndmix_set(msnd, addr, left, right);
275         spin_unlock_irqrestore(&msnd->mixer_lock, flags);
276         return change;
277 }
278 
279 
280 #define DUMMY_VOLUME(xname, xindex, addr) \
281 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
282   .info = snd_msndmix_volume_info, \
283   .get = snd_msndmix_volume_get, .put = snd_msndmix_volume_put, \
284   .private_value = addr }
285 
286 
287 static struct snd_kcontrol_new snd_msnd_controls[] = {
288 DUMMY_VOLUME("Master Volume", 0, MSND_MIXER_VOLUME),
289 DUMMY_VOLUME("PCM Volume", 0, MSND_MIXER_PCM),
290 DUMMY_VOLUME("Aux Volume", 0, MSND_MIXER_AUX),
291 DUMMY_VOLUME("Line Volume", 0, MSND_MIXER_LINE),
292 DUMMY_VOLUME("Mic Volume", 0, MSND_MIXER_MIC),
293 DUMMY_VOLUME("Monitor", 0, MSND_MIXER_IMIX),
294 {
295         .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
296         .name = "Capture Source",
297         .info = snd_msndmix_info_mux,
298         .get = snd_msndmix_get_mux,
299         .put = snd_msndmix_put_mux,
300 }
301 };
302 
303 
304 int __devinit snd_msndmix_new(struct snd_card *card)
305 {
306         struct snd_msnd *chip = card->private_data;
307         unsigned int idx;
308         int err;
309 
310         if (snd_BUG_ON(!chip))
311                 return -EINVAL;
312         spin_lock_init(&chip->mixer_lock);
313         strcpy(card->mixername, "MSND Pinnacle Mixer");
314 
315         for (idx = 0; idx < ARRAY_SIZE(snd_msnd_controls); idx++)
316                 err = snd_ctl_add(card,
317                                   snd_ctl_new1(snd_msnd_controls + idx, chip));
318                 if (err < 0)
319                         return err;
320 
321         return 0;
322 }
323 EXPORT_SYMBOL(snd_msndmix_new);
324 
325 void snd_msndmix_setup(struct snd_msnd *dev)
326 {
327         update_pot(MSND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
328         update_potm(MSND_MIXER_AUX, bAuxPotPos, HDEXAR_AUX_SET_POTS);
329         update_volm(MSND_MIXER_PCM, wCurrPlayVol);
330         update_volm(MSND_MIXER_IMIX, wCurrInVol);
331         if (dev->type == msndPinnacle) {
332                 update_pot(MSND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
333                 update_volm(MSND_MIXER_SYNTH, wCurrMHdrVol);
334         }
335 }
336 EXPORT_SYMBOL(snd_msndmix_setup);
337 
338 int snd_msndmix_force_recsrc(struct snd_msnd *dev, int recsrc)
339 {
340         dev->recsrc = -1;
341         return snd_msndmix_set_mux(dev, recsrc);
342 }
343 EXPORT_SYMBOL(snd_msndmix_force_recsrc);
344 

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