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 #include <linux/export.h>
20 
21 #include <sound/core.h>
22 #include <sound/control.h>
23 #include "msnd.h"
24 #include "msnd_pinnacle.h"
25 
26 
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 */
39 
40 /*	Device mask bits	*/
41 
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)
54 
55 static int snd_msndmix_info_mux(struct snd_kcontrol *kcontrol,
56 				struct snd_ctl_elem_info *uinfo)
57 {
58 	static const char * const texts[3] = {
59 		"Analog", "MASS", "SPDIF",
60 	};
61 	struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
62 	unsigned items = test_bit(F_HAVEDIGITAL, &chip->flags) ? 3 : 2;
63 
64 	return snd_ctl_enum_info(uinfo, 1, items, texts);
65 }
66 
67 static int snd_msndmix_get_mux(struct snd_kcontrol *kcontrol,
68 				struct snd_ctl_elem_value *ucontrol)
69 {
70 	struct snd_msnd *chip = snd_kcontrol_chip(kcontrol);
71 	/* MSND_MASK_IMIX is the default */
72 	ucontrol->value.enumerated.item[0] = 0;
73 
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;
79 	}
80 
81 
82 	return 0;
83 }
84 
85 static int snd_msndmix_set_mux(struct snd_msnd *chip, int val)
86 {
87 	unsigned newrecsrc;
88 	int change;
89 	unsigned char msndbyte;
90 
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;
106 	}
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;
114 			}
115 	}
116 	return change;
117 }
118 
119 static int snd_msndmix_put_mux(struct snd_kcontrol *kcontrol,
120 				struct snd_ctl_elem_value *ucontrol)
121 {
122 	struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
123 	return snd_msndmix_set_mux(msnd, ucontrol->value.enumerated.item[0]);
124 }
125 
126 
127 static int snd_msndmix_volume_info(struct snd_kcontrol *kcontrol,
128 				   struct snd_ctl_elem_info *uinfo)
129 {
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;
135 }
136 
137 static int snd_msndmix_volume_get(struct snd_kcontrol *kcontrol,
138 				  struct snd_ctl_elem_value *ucontrol)
139 {
140 	struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
141 	int addr = kcontrol->private_value;
142 	unsigned long flags;
143 
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;
151 }
152 
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);
162 
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);
174 
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);
184 
185 
186 static int snd_msndmix_set(struct snd_msnd *dev, int d, int left, int right)
187 {
188 	int bLeft, bRight;
189 	int wLeft, wRight;
190 	int updatemaster = 0;
191 
192 	if (d >= LEVEL_ENTRIES)
193 		return -EINVAL;
194 
195 	bLeft = left * 0xff / 100;
196 	wLeft = left * 0xffff / 100;
197 
198 	bRight = right * 0xff / 100;
199 	wRight = right * 0xffff / 100;
200 
201 	dev->left_levels[d] = wLeft;
202 	dev->right_levels[d] = wRight;
203 
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 */
226 
227 	case MSND_MIXER_AUX:			/* aux pot control */
228 		/* scaled by master volume */
229 		/* fall through */
230 
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;
238 
239 	default:
240 		return -EINVAL;
241 	}
242 
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);
250 	}
251 
252 	return 0;
253 }
254 
255 static int snd_msndmix_volume_put(struct snd_kcontrol *kcontrol,
256 				  struct snd_ctl_elem_value *ucontrol)
257 {
258 	struct snd_msnd *msnd = snd_kcontrol_chip(kcontrol);
259 	int change, addr = kcontrol->private_value;
260 	int left, right;
261 	unsigned long flags;
262 
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;
271 }
272 
273 
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 }
279 
280 
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),
288 {
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,
294 }
295 };
296 
297 
298 int snd_msndmix_new(struct snd_card *card)
299 {
300 	struct snd_msnd *chip = card->private_data;
301 	unsigned int idx;
302 	int err;
303 
304 	if (snd_BUG_ON(!chip))
305 		return -EINVAL;
306 	spin_lock_init(&chip->mixer_lock);
307 	strcpy(card->mixername, "MSND Pinnacle Mixer");
308 
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;
314 	}
315 
316 	return 0;
317 }
318 EXPORT_SYMBOL(snd_msndmix_new);
319 
320 void snd_msndmix_setup(struct snd_msnd *dev)
321 {
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);
329 	}
330 }
331 EXPORT_SYMBOL(snd_msndmix_setup);
332 
333 int snd_msndmix_force_recsrc(struct snd_msnd *dev, int recsrc)
334 {
335 	dev->recsrc = -1;
336 	return snd_msndmix_set_mux(dev, recsrc);
337 }
338 EXPORT_SYMBOL(snd_msndmix_force_recsrc);
339