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