xref: /openbmc/linux/sound/pci/ice1712/hoontech.c (revision f1575595)
1 /*
2  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
3  *
4  *   Lowlevel functions for Hoontech STDSP24
5  *
6  *	Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
7  *
8  *   This program is free software; you can redistribute it and/or modify
9  *   it under the terms of the GNU General Public License as published by
10  *   the Free Software Foundation; either version 2 of the License, or
11  *   (at your option) any later version.
12  *
13  *   This program is distributed in the hope that it will be useful,
14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *   GNU General Public License for more details.
17  *
18  *   You should have received a copy of the GNU General Public License
19  *   along with this program; if not, write to the Free Software
20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  *
22  */
23 
24 #include <linux/delay.h>
25 #include <linux/interrupt.h>
26 #include <linux/init.h>
27 #include <linux/slab.h>
28 #include <linux/mutex.h>
29 
30 #include <sound/core.h>
31 
32 #include "ice1712.h"
33 #include "hoontech.h"
34 
35 /* Hoontech-specific setting */
36 struct hoontech_spec {
37 	unsigned char boxbits[4];
38 	unsigned int config;
39 	unsigned short boxconfig[4];
40 };
41 
42 static void snd_ice1712_stdsp24_gpio_write(struct snd_ice1712 *ice, unsigned char byte)
43 {
44 	byte |= ICE1712_STDSP24_CLOCK_BIT;
45 	udelay(100);
46 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, byte);
47 	byte &= ~ICE1712_STDSP24_CLOCK_BIT;
48 	udelay(100);
49 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, byte);
50 	byte |= ICE1712_STDSP24_CLOCK_BIT;
51 	udelay(100);
52 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, byte);
53 }
54 
55 static void snd_ice1712_stdsp24_darear(struct snd_ice1712 *ice, int activate)
56 {
57 	struct hoontech_spec *spec = ice->spec;
58 	mutex_lock(&ice->gpio_mutex);
59 	ICE1712_STDSP24_0_DAREAR(spec->boxbits, activate);
60 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[0]);
61 	mutex_unlock(&ice->gpio_mutex);
62 }
63 
64 static void snd_ice1712_stdsp24_mute(struct snd_ice1712 *ice, int activate)
65 {
66 	struct hoontech_spec *spec = ice->spec;
67 	mutex_lock(&ice->gpio_mutex);
68 	ICE1712_STDSP24_3_MUTE(spec->boxbits, activate);
69 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
70 	mutex_unlock(&ice->gpio_mutex);
71 }
72 
73 static void snd_ice1712_stdsp24_insel(struct snd_ice1712 *ice, int activate)
74 {
75 	struct hoontech_spec *spec = ice->spec;
76 	mutex_lock(&ice->gpio_mutex);
77 	ICE1712_STDSP24_3_INSEL(spec->boxbits, activate);
78 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
79 	mutex_unlock(&ice->gpio_mutex);
80 }
81 
82 static void snd_ice1712_stdsp24_box_channel(struct snd_ice1712 *ice, int box, int chn, int activate)
83 {
84 	struct hoontech_spec *spec = ice->spec;
85 
86 	mutex_lock(&ice->gpio_mutex);
87 
88 	/* select box */
89 	ICE1712_STDSP24_0_BOX(spec->boxbits, box);
90 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[0]);
91 
92 	/* prepare for write */
93 	if (chn == 3)
94 		ICE1712_STDSP24_2_CHN4(spec->boxbits, 0);
95 	ICE1712_STDSP24_2_MIDI1(spec->boxbits, activate);
96 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
97 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
98 
99 	ICE1712_STDSP24_1_CHN1(spec->boxbits, 1);
100 	ICE1712_STDSP24_1_CHN2(spec->boxbits, 1);
101 	ICE1712_STDSP24_1_CHN3(spec->boxbits, 1);
102 	ICE1712_STDSP24_2_CHN4(spec->boxbits, 1);
103 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[1]);
104 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
105 	udelay(100);
106 	if (chn == 3) {
107 		ICE1712_STDSP24_2_CHN4(spec->boxbits, 0);
108 		snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
109 	} else {
110 		switch (chn) {
111 		case 0:	ICE1712_STDSP24_1_CHN1(spec->boxbits, 0); break;
112 		case 1:	ICE1712_STDSP24_1_CHN2(spec->boxbits, 0); break;
113 		case 2:	ICE1712_STDSP24_1_CHN3(spec->boxbits, 0); break;
114 		}
115 		snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[1]);
116 	}
117 	udelay(100);
118 	ICE1712_STDSP24_1_CHN1(spec->boxbits, 1);
119 	ICE1712_STDSP24_1_CHN2(spec->boxbits, 1);
120 	ICE1712_STDSP24_1_CHN3(spec->boxbits, 1);
121 	ICE1712_STDSP24_2_CHN4(spec->boxbits, 1);
122 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[1]);
123 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
124 	udelay(100);
125 
126 	ICE1712_STDSP24_2_MIDI1(spec->boxbits, 0);
127 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
128 
129 	mutex_unlock(&ice->gpio_mutex);
130 }
131 
132 static void snd_ice1712_stdsp24_box_midi(struct snd_ice1712 *ice, int box, int master)
133 {
134 	struct hoontech_spec *spec = ice->spec;
135 
136 	mutex_lock(&ice->gpio_mutex);
137 
138 	/* select box */
139 	ICE1712_STDSP24_0_BOX(spec->boxbits, box);
140 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[0]);
141 
142 	ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 1);
143 	ICE1712_STDSP24_2_MIDI1(spec->boxbits, master);
144 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
145 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
146 
147 	udelay(100);
148 
149 	ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 0);
150 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
151 
152 	mdelay(10);
153 
154 	ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 1);
155 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
156 
157 	mutex_unlock(&ice->gpio_mutex);
158 }
159 
160 static void snd_ice1712_stdsp24_midi2(struct snd_ice1712 *ice, int activate)
161 {
162 	struct hoontech_spec *spec = ice->spec;
163 	mutex_lock(&ice->gpio_mutex);
164 	ICE1712_STDSP24_3_MIDI2(spec->boxbits, activate);
165 	snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
166 	mutex_unlock(&ice->gpio_mutex);
167 }
168 
169 static int hoontech_init(struct snd_ice1712 *ice, bool staudio)
170 {
171 	struct hoontech_spec *spec;
172 	int box, chn;
173 
174 	ice->num_total_dacs = 8;
175 	ice->num_total_adcs = 8;
176 
177 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
178 	if (!spec)
179 		return -ENOMEM;
180 	ice->spec = spec;
181 
182 	ICE1712_STDSP24_SET_ADDR(spec->boxbits, 0);
183 	ICE1712_STDSP24_CLOCK(spec->boxbits, 0, 1);
184 	ICE1712_STDSP24_0_BOX(spec->boxbits, 0);
185 	ICE1712_STDSP24_0_DAREAR(spec->boxbits, 0);
186 
187 	ICE1712_STDSP24_SET_ADDR(spec->boxbits, 1);
188 	ICE1712_STDSP24_CLOCK(spec->boxbits, 1, 1);
189 	ICE1712_STDSP24_1_CHN1(spec->boxbits, 1);
190 	ICE1712_STDSP24_1_CHN2(spec->boxbits, 1);
191 	ICE1712_STDSP24_1_CHN3(spec->boxbits, 1);
192 
193 	ICE1712_STDSP24_SET_ADDR(spec->boxbits, 2);
194 	ICE1712_STDSP24_CLOCK(spec->boxbits, 2, 1);
195 	ICE1712_STDSP24_2_CHN4(spec->boxbits, 1);
196 	ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 1);
197 	ICE1712_STDSP24_2_MIDI1(spec->boxbits, 0);
198 
199 	ICE1712_STDSP24_SET_ADDR(spec->boxbits, 3);
200 	ICE1712_STDSP24_CLOCK(spec->boxbits, 3, 1);
201 	ICE1712_STDSP24_3_MIDI2(spec->boxbits, 0);
202 	ICE1712_STDSP24_3_MUTE(spec->boxbits, 1);
203 	ICE1712_STDSP24_3_INSEL(spec->boxbits, 0);
204 
205 	/* let's go - activate only functions in first box */
206 	if (staudio)
207 		spec->config = ICE1712_STDSP24_MUTE;
208 	else
209 		spec->config = 0;
210 			    /* ICE1712_STDSP24_MUTE |
211 			       ICE1712_STDSP24_INSEL |
212 			       ICE1712_STDSP24_DAREAR; */
213 	/*  These boxconfigs have caused problems in the past.
214 	 *  The code is not optimal, but should now enable a working config to
215 	 *  be achieved.
216 	 *  ** MIDI IN can only be configured on one box **
217 	 *  ICE1712_STDSP24_BOX_MIDI1 needs to be set for that box.
218 	 *  Tests on a ADAC2000 box suggest the box config flags do not
219 	 *  work as would be expected, and the inputs are crossed.
220 	 *  Setting ICE1712_STDSP24_BOX_MIDI1 and ICE1712_STDSP24_BOX_MIDI2
221 	 *  on the same box connects MIDI-In to both 401 uarts; both outputs
222 	 *  are then active on all boxes.
223 	 *  The default config here sets up everything on the first box.
224 	 *  Alan Horstmann  5.2.2008
225 	 */
226 	spec->boxconfig[0] = ICE1712_STDSP24_BOX_CHN1 |
227 				     ICE1712_STDSP24_BOX_CHN2 |
228 				     ICE1712_STDSP24_BOX_CHN3 |
229 				     ICE1712_STDSP24_BOX_CHN4 |
230 				     ICE1712_STDSP24_BOX_MIDI1 |
231 				     ICE1712_STDSP24_BOX_MIDI2;
232 	if (staudio) {
233 		spec->boxconfig[1] =
234 		spec->boxconfig[2] =
235 		spec->boxconfig[3] = spec->boxconfig[0];
236 	} else {
237 		spec->boxconfig[1] =
238 		spec->boxconfig[2] =
239 		spec->boxconfig[3] = 0;
240 	}
241 
242 	snd_ice1712_stdsp24_darear(ice,
243 		(spec->config & ICE1712_STDSP24_DAREAR) ? 1 : 0);
244 	snd_ice1712_stdsp24_mute(ice,
245 		(spec->config & ICE1712_STDSP24_MUTE) ? 1 : 0);
246 	snd_ice1712_stdsp24_insel(ice,
247 		(spec->config & ICE1712_STDSP24_INSEL) ? 1 : 0);
248 	for (box = 0; box < 4; box++) {
249 		if (spec->boxconfig[box] & ICE1712_STDSP24_BOX_MIDI2)
250                         snd_ice1712_stdsp24_midi2(ice, 1);
251 		for (chn = 0; chn < 4; chn++)
252 			snd_ice1712_stdsp24_box_channel(ice, box, chn,
253 				(spec->boxconfig[box] & (1 << chn)) ? 1 : 0);
254 		if (spec->boxconfig[box] & ICE1712_STDSP24_BOX_MIDI1)
255 			snd_ice1712_stdsp24_box_midi(ice, box, 1);
256 	}
257 
258 	return 0;
259 }
260 
261 static int snd_ice1712_hoontech_init(struct snd_ice1712 *ice)
262 {
263 	return hoontech_init(ice, false);
264 }
265 
266 static int snd_ice1712_staudio_init(struct snd_ice1712 *ice)
267 {
268 	return hoontech_init(ice, true);
269 }
270 
271 /*
272  * AK4524 access
273  */
274 
275 /* start callback for STDSP24 with modified hardware */
276 static void stdsp24_ak4524_lock(struct snd_akm4xxx *ak, int chip)
277 {
278 	struct snd_ice1712 *ice = ak->private_data[0];
279 	unsigned char tmp;
280 	snd_ice1712_save_gpio_status(ice);
281 	tmp =	ICE1712_STDSP24_SERIAL_DATA |
282 		ICE1712_STDSP24_SERIAL_CLOCK |
283 		ICE1712_STDSP24_AK4524_CS;
284 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
285 			  ice->gpio.direction | tmp);
286 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
287 }
288 
289 static int snd_ice1712_value_init(struct snd_ice1712 *ice)
290 {
291 	/* Hoontech STDSP24 with modified hardware */
292 	static const struct snd_akm4xxx akm_stdsp24_mv = {
293 		.num_adcs = 2,
294 		.num_dacs = 2,
295 		.type = SND_AK4524,
296 		.ops = {
297 			.lock = stdsp24_ak4524_lock
298 		}
299 	};
300 
301 	static const struct snd_ak4xxx_private akm_stdsp24_mv_priv = {
302 		.caddr = 2,
303 		.cif = 1, /* CIF high */
304 		.data_mask = ICE1712_STDSP24_SERIAL_DATA,
305 		.clk_mask = ICE1712_STDSP24_SERIAL_CLOCK,
306 		.cs_mask = ICE1712_STDSP24_AK4524_CS,
307 		.cs_addr = ICE1712_STDSP24_AK4524_CS,
308 		.cs_none = 0,
309 		.add_flags = 0,
310 	};
311 
312 	int err;
313 	struct snd_akm4xxx *ak;
314 
315 	/* set the analog DACs */
316 	ice->num_total_dacs = 2;
317 
318 	/* set the analog ADCs */
319 	ice->num_total_adcs = 2;
320 
321 	/* analog section */
322 	ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
323 	if (! ak)
324 		return -ENOMEM;
325 	ice->akm_codecs = 1;
326 
327 	err = snd_ice1712_akm4xxx_init(ak, &akm_stdsp24_mv, &akm_stdsp24_mv_priv, ice);
328 	if (err < 0)
329 		return err;
330 
331 	/* ak4524 controls */
332 	return snd_ice1712_akm4xxx_build_controls(ice);
333 }
334 
335 static int snd_ice1712_ez8_init(struct snd_ice1712 *ice)
336 {
337 	ice->gpio.write_mask = ice->eeprom.gpiomask;
338 	ice->gpio.direction = ice->eeprom.gpiodir;
339 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ice->eeprom.gpiomask);
340 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION, ice->eeprom.gpiodir);
341 	snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, ice->eeprom.gpiostate);
342 	return 0;
343 }
344 
345 
346 /* entry point */
347 struct snd_ice1712_card_info snd_ice1712_hoontech_cards[] = {
348 	{
349 		.subvendor = ICE1712_SUBDEVICE_STDSP24,
350 		.name = "Hoontech SoundTrack Audio DSP24",
351 		.model = "dsp24",
352 		.chip_init = snd_ice1712_hoontech_init,
353 		.mpu401_1_name = "MIDI-1 Hoontech/STA DSP24",
354 		.mpu401_2_name = "MIDI-2 Hoontech/STA DSP24",
355 	},
356 	{
357 		.subvendor = ICE1712_SUBDEVICE_STDSP24_VALUE,	/* a dummy id */
358 		.name = "Hoontech SoundTrack Audio DSP24 Value",
359 		.model = "dsp24_value",
360 		.chip_init = snd_ice1712_value_init,
361 	},
362 	{
363 		.subvendor = ICE1712_SUBDEVICE_STDSP24_MEDIA7_1,
364 		.name = "Hoontech STA DSP24 Media 7.1",
365 		.model = "dsp24_71",
366 		.chip_init = snd_ice1712_hoontech_init,
367 	},
368 	{
369 		.subvendor = ICE1712_SUBDEVICE_EVENT_EZ8,	/* a dummy id */
370 		.name = "Event Electronics EZ8",
371 		.model = "ez8",
372 		.chip_init = snd_ice1712_ez8_init,
373 	},
374 	{
375 		/* STAudio ADCIII has the same SSID as Hoontech StA DSP24,
376 		 * thus identified only via the explicit model option
377 		 */
378 		.subvendor = ICE1712_SUBDEVICE_STAUDIO_ADCIII,	/* a dummy id */
379 		.name = "STAudio ADCIII",
380 		.model = "staudio",
381 		.chip_init = snd_ice1712_staudio_init,
382 	},
383 	{ } /* terminator */
384 };
385