| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* | 
 | 2 |  *	ALSA driver for ICEnsemble VT1724 (Envy24HT) | 
 | 3 |  * | 
 | 4 |  *	Lowlevel functions for Ego Sys Waveterminal 192M | 
 | 5 |  * | 
 | 6 |  *		Copyright (c) 2006 Guedez Clement <klem.dev@gmail.com> | 
 | 7 |  *		Some functions are taken from the Prodigy192 driver | 
 | 8 |  *		source | 
 | 9 |  * | 
 | 10 |  *	This program is free software; you can redistribute it and/or modify | 
 | 11 |  *	it under the terms of the GNU General Public License as published by | 
 | 12 |  *	the Free Software Foundation; either version 2 of the License, or | 
 | 13 |  *	(at your option) any later version. | 
 | 14 |  * | 
 | 15 |  *	This program is distributed in the hope that it will be useful, | 
 | 16 |  *	but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 | 17 |  *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 
 | 18 |  *	GNU General Public License for more details. | 
 | 19 |  * | 
 | 20 |  *	You should have received a copy of the GNU General Public License | 
 | 21 |  *	along with this program; if not, write to the Free Software | 
 | 22 |  *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | 
 | 23 |  * | 
 | 24 |  */ | 
 | 25 |  | 
 | 26 |  | 
 | 27 |  | 
 | 28 | #include <linux/delay.h> | 
 | 29 | #include <linux/interrupt.h> | 
 | 30 | #include <linux/init.h> | 
 | 31 | #include <sound/core.h> | 
 | 32 | #include <sound/tlv.h> | 
 | 33 | #include <linux/slab.h> | 
 | 34 |  | 
 | 35 | #include "ice1712.h" | 
 | 36 | #include "envy24ht.h" | 
 | 37 | #include "wtm.h" | 
 | 38 | #include "stac946x.h" | 
 | 39 |  | 
 | 40 | struct wtm_spec { | 
 | 41 | 	/* rate change needs atomic mute/unmute of all dacs*/ | 
 | 42 | 	struct mutex mute_mutex; | 
 | 43 | }; | 
 | 44 |  | 
 | 45 |  | 
 | 46 | /* | 
 | 47 |  *	2*ADC 6*DAC no1 ringbuffer r/w on i2c bus | 
 | 48 |  */ | 
 | 49 | static inline void stac9460_put(struct snd_ice1712 *ice, int reg, | 
 | 50 | 						unsigned char val) | 
 | 51 | { | 
 | 52 | 	snd_vt1724_write_i2c(ice, STAC9460_I2C_ADDR, reg, val); | 
 | 53 | } | 
 | 54 |  | 
 | 55 | static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg) | 
 | 56 | { | 
 | 57 | 	return snd_vt1724_read_i2c(ice, STAC9460_I2C_ADDR, reg); | 
 | 58 | } | 
 | 59 |  | 
 | 60 | /* | 
 | 61 |  *	2*ADC 2*DAC no2 ringbuffer r/w on i2c bus | 
 | 62 |  */ | 
 | 63 | static inline void stac9460_2_put(struct snd_ice1712 *ice, int reg, | 
 | 64 | 						unsigned char val) | 
 | 65 | { | 
 | 66 | 	snd_vt1724_write_i2c(ice, STAC9460_2_I2C_ADDR, reg, val); | 
 | 67 | } | 
 | 68 |  | 
 | 69 | static inline unsigned char stac9460_2_get(struct snd_ice1712 *ice, int reg) | 
 | 70 | { | 
 | 71 | 	return snd_vt1724_read_i2c(ice, STAC9460_2_I2C_ADDR, reg); | 
 | 72 | } | 
 | 73 |  | 
 | 74 |  | 
 | 75 | /* | 
 | 76 |  *	DAC mute control | 
 | 77 |  */ | 
 | 78 | static void stac9460_dac_mute_all(struct snd_ice1712 *ice, unsigned char mute, | 
 | 79 | 				unsigned short int *change_mask) | 
 | 80 | { | 
 | 81 | 	unsigned char new, old; | 
 | 82 | 	int id, idx, change; | 
 | 83 |  | 
 | 84 | 	/*stac9460 1*/ | 
 | 85 | 	for (id = 0; id < 7; id++) { | 
 | 86 | 		if (*change_mask & (0x01 << id)) { | 
 | 87 | 			if (id == 0) | 
 | 88 | 				idx = STAC946X_MASTER_VOLUME; | 
 | 89 | 			else | 
 | 90 | 				idx = STAC946X_LF_VOLUME - 1 + id; | 
 | 91 | 			old = stac9460_get(ice, idx); | 
 | 92 | 			new = (~mute << 7 & 0x80) | (old & ~0x80); | 
 | 93 | 			change = (new != old); | 
 | 94 | 			if (change) { | 
 | 95 | 				stac9460_put(ice, idx, new); | 
 | 96 | 				*change_mask = *change_mask | (0x01 << id); | 
 | 97 | 			} else { | 
 | 98 | 				*change_mask = *change_mask & ~(0x01 << id); | 
 | 99 | 			} | 
 | 100 | 		} | 
 | 101 | 	} | 
 | 102 |  | 
 | 103 | 	/*stac9460 2*/ | 
 | 104 | 	for (id = 0; id < 3; id++) { | 
 | 105 | 		if (*change_mask & (0x01 << (id + 7))) { | 
 | 106 | 			if (id == 0) | 
 | 107 | 				idx = STAC946X_MASTER_VOLUME; | 
 | 108 | 			else | 
 | 109 | 				idx = STAC946X_LF_VOLUME - 1 + id; | 
 | 110 | 			old = stac9460_2_get(ice, idx); | 
 | 111 | 			new = (~mute << 7 & 0x80) | (old & ~0x80); | 
 | 112 | 			change = (new != old); | 
 | 113 | 			if (change) { | 
 | 114 | 				stac9460_2_put(ice, idx, new); | 
 | 115 | 				*change_mask = *change_mask | (0x01 << id); | 
 | 116 | 			} else { | 
 | 117 | 				*change_mask = *change_mask & ~(0x01 << id); | 
 | 118 | 			} | 
 | 119 | 		} | 
 | 120 | 	} | 
 | 121 | } | 
 | 122 |  | 
 | 123 |  | 
 | 124 |  | 
 | 125 | #define stac9460_dac_mute_info		snd_ctl_boolean_mono_info | 
 | 126 |  | 
 | 127 | static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol, | 
 | 128 | 				struct snd_ctl_elem_value *ucontrol) | 
 | 129 | { | 
 | 130 | 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); | 
 | 131 | 	struct wtm_spec *spec = ice->spec; | 
 | 132 | 	unsigned char val; | 
 | 133 | 	int idx, id; | 
 | 134 |  | 
 | 135 | 	mutex_lock(&spec->mute_mutex); | 
 | 136 |  | 
 | 137 | 	if (kcontrol->private_value) { | 
 | 138 | 		idx = STAC946X_MASTER_VOLUME; | 
 | 139 | 		id = 0; | 
 | 140 | 	} else { | 
 | 141 | 		id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); | 
 | 142 | 		idx = id + STAC946X_LF_VOLUME; | 
 | 143 | 	} | 
 | 144 | 	if (id < 6) | 
 | 145 | 		val = stac9460_get(ice, idx); | 
 | 146 | 	else | 
 | 147 | 		val = stac9460_2_get(ice, idx - 6); | 
 | 148 | 	ucontrol->value.integer.value[0] = (~val >> 7) & 0x1; | 
 | 149 |  | 
 | 150 | 	mutex_unlock(&spec->mute_mutex); | 
 | 151 | 	return 0; | 
 | 152 | } | 
 | 153 |  | 
 | 154 | static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol, | 
 | 155 | 				struct snd_ctl_elem_value *ucontrol) | 
 | 156 | { | 
 | 157 | 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); | 
 | 158 | 	unsigned char new, old; | 
 | 159 | 	int id, idx; | 
 | 160 | 	int change; | 
 | 161 |  | 
 | 162 | 	if (kcontrol->private_value) { | 
 | 163 | 		idx = STAC946X_MASTER_VOLUME; | 
 | 164 | 		old = stac9460_get(ice, idx); | 
 | 165 | 		new = (~ucontrol->value.integer.value[0] << 7 & 0x80) | | 
 | 166 | 							(old & ~0x80); | 
 | 167 | 		change = (new != old); | 
 | 168 | 		if (change) { | 
 | 169 | 			stac9460_put(ice, idx, new); | 
 | 170 | 			stac9460_2_put(ice, idx, new); | 
 | 171 | 		} | 
 | 172 | 	} else { | 
 | 173 | 		id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); | 
 | 174 | 		idx = id + STAC946X_LF_VOLUME; | 
 | 175 | 		if (id < 6) | 
 | 176 | 			old = stac9460_get(ice, idx); | 
 | 177 | 		else | 
 | 178 | 			old = stac9460_2_get(ice, idx - 6); | 
 | 179 | 		new = (~ucontrol->value.integer.value[0] << 7 & 0x80) | | 
 | 180 | 							(old & ~0x80); | 
 | 181 | 		change = (new != old); | 
 | 182 | 		if (change) { | 
 | 183 | 			if (id < 6) | 
 | 184 | 				stac9460_put(ice, idx, new); | 
 | 185 | 			else | 
 | 186 | 				stac9460_2_put(ice, idx - 6, new); | 
 | 187 | 		} | 
 | 188 | 	} | 
 | 189 | 	return change; | 
 | 190 | } | 
 | 191 |  | 
 | 192 | /* | 
 | 193 |  * 	DAC volume attenuation mixer control | 
 | 194 |  */ | 
 | 195 | static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol, | 
 | 196 | 				struct snd_ctl_elem_info *uinfo) | 
 | 197 | { | 
 | 198 | 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | 
 | 199 | 	uinfo->count = 1; | 
 | 200 | 	uinfo->value.integer.min = 0;			/* mute */ | 
 | 201 | 	uinfo->value.integer.max = 0x7f;		/* 0dB */ | 
 | 202 | 	return 0; | 
 | 203 | } | 
 | 204 |  | 
 | 205 | static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol, | 
 | 206 | 				struct snd_ctl_elem_value *ucontrol) | 
 | 207 | { | 
 | 208 | 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); | 
 | 209 | 	int idx, id; | 
 | 210 | 	unsigned char vol; | 
 | 211 |  | 
 | 212 | 	if (kcontrol->private_value) { | 
 | 213 | 		idx = STAC946X_MASTER_VOLUME; | 
 | 214 | 		id = 0; | 
 | 215 | 	} else { | 
 | 216 | 		id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); | 
 | 217 | 		idx = id + STAC946X_LF_VOLUME; | 
 | 218 | 	} | 
 | 219 | 	if (id < 6) | 
 | 220 | 		vol = stac9460_get(ice, idx) & 0x7f; | 
 | 221 | 	else | 
 | 222 | 		vol = stac9460_2_get(ice, idx - 6) & 0x7f; | 
 | 223 | 	ucontrol->value.integer.value[0] = 0x7f - vol; | 
 | 224 | 	return 0; | 
 | 225 | } | 
 | 226 |  | 
 | 227 | static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol, | 
 | 228 | 				struct snd_ctl_elem_value *ucontrol) | 
 | 229 | { | 
 | 230 | 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); | 
 | 231 | 	int idx, id; | 
 | 232 | 	unsigned char tmp, ovol, nvol; | 
 | 233 | 	int change; | 
 | 234 |  | 
 | 235 | 	if (kcontrol->private_value) { | 
 | 236 | 		idx = STAC946X_MASTER_VOLUME; | 
 | 237 | 		nvol = ucontrol->value.integer.value[0] & 0x7f; | 
 | 238 | 		tmp = stac9460_get(ice, idx); | 
 | 239 | 		ovol = 0x7f - (tmp & 0x7f); | 
 | 240 | 		change = (ovol != nvol); | 
 | 241 | 		if (change) { | 
 | 242 | 			stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80)); | 
 | 243 | 			stac9460_2_put(ice, idx, (0x7f - nvol) | (tmp & 0x80)); | 
 | 244 | 		} | 
 | 245 | 	} else { | 
 | 246 | 		id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); | 
 | 247 | 		idx = id + STAC946X_LF_VOLUME; | 
 | 248 | 		nvol = ucontrol->value.integer.value[0] & 0x7f; | 
 | 249 | 		if (id < 6) | 
 | 250 | 			tmp = stac9460_get(ice, idx); | 
 | 251 | 		else | 
 | 252 | 			tmp = stac9460_2_get(ice, idx - 6); | 
 | 253 | 		ovol = 0x7f - (tmp & 0x7f); | 
 | 254 | 		change = (ovol != nvol); | 
 | 255 | 		if (change) { | 
 | 256 | 			if (id < 6) | 
 | 257 | 				stac9460_put(ice, idx, (0x7f - nvol) | | 
 | 258 | 							(tmp & 0x80)); | 
 | 259 | 			else | 
 | 260 | 				stac9460_2_put(ice, idx-6, (0x7f - nvol) | | 
 | 261 | 							(tmp & 0x80)); | 
 | 262 | 		} | 
 | 263 | 	} | 
 | 264 | 	return change; | 
 | 265 | } | 
 | 266 |  | 
 | 267 | /* | 
 | 268 |  * ADC mute control | 
 | 269 |  */ | 
 | 270 | #define stac9460_adc_mute_info		snd_ctl_boolean_stereo_info | 
 | 271 |  | 
 | 272 | static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol, | 
 | 273 | 				struct snd_ctl_elem_value *ucontrol) | 
 | 274 | { | 
 | 275 | 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); | 
 | 276 | 	unsigned char val; | 
 | 277 | 	int i, id; | 
 | 278 |  | 
 | 279 | 	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); | 
 | 280 | 	if (id == 0) { | 
 | 281 | 		for (i = 0; i < 2; ++i) { | 
 | 282 | 			val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i); | 
 | 283 | 			ucontrol->value.integer.value[i] = ~val>>7 & 0x1; | 
 | 284 | 		} | 
 | 285 | 	} else { | 
 | 286 | 		for (i = 0; i < 2; ++i) { | 
 | 287 | 			val = stac9460_2_get(ice, STAC946X_MIC_L_VOLUME + i); | 
 | 288 | 			ucontrol->value.integer.value[i] = ~val>>7 & 0x1; | 
 | 289 | 		} | 
 | 290 | 	} | 
 | 291 | 	return 0; | 
 | 292 | } | 
 | 293 |  | 
 | 294 | static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol, | 
 | 295 | 				struct snd_ctl_elem_value *ucontrol) | 
 | 296 | { | 
 | 297 | 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); | 
 | 298 | 	unsigned char new, old; | 
 | 299 | 	int i, reg, id; | 
 | 300 | 	int change; | 
 | 301 |  | 
 | 302 | 	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); | 
 | 303 | 	if (id == 0) { | 
 | 304 | 		for (i = 0; i < 2; ++i) { | 
 | 305 | 			reg = STAC946X_MIC_L_VOLUME + i; | 
 | 306 | 			old = stac9460_get(ice, reg); | 
 | 307 | 			new = (~ucontrol->value.integer.value[i]<<7&0x80) | | 
 | 308 | 								(old&~0x80); | 
 | 309 | 			change = (new != old); | 
 | 310 | 			if (change) | 
 | 311 | 				stac9460_put(ice, reg, new); | 
 | 312 | 		} | 
 | 313 | 	} else { | 
 | 314 | 		for (i = 0; i < 2; ++i) { | 
 | 315 | 			reg = STAC946X_MIC_L_VOLUME + i; | 
 | 316 | 			old = stac9460_2_get(ice, reg); | 
 | 317 | 			new = (~ucontrol->value.integer.value[i]<<7&0x80) | | 
 | 318 | 								(old&~0x80); | 
 | 319 | 			change = (new != old); | 
 | 320 | 			if (change) | 
 | 321 | 				stac9460_2_put(ice, reg, new); | 
 | 322 | 		} | 
 | 323 | 	} | 
 | 324 | 	return change; | 
 | 325 | } | 
 | 326 |  | 
 | 327 | /* | 
 | 328 |  *ADC gain mixer control | 
 | 329 |  */ | 
 | 330 | static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol, | 
 | 331 | 				struct snd_ctl_elem_info *uinfo) | 
 | 332 | { | 
 | 333 | 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | 
 | 334 | 	uinfo->count = 2; | 
 | 335 | 	uinfo->value.integer.min = 0;		/* 0dB */ | 
 | 336 | 	uinfo->value.integer.max = 0x0f;	/* 22.5dB */ | 
 | 337 | 	return 0; | 
 | 338 | } | 
 | 339 |  | 
 | 340 | static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol, | 
 | 341 | 				struct snd_ctl_elem_value *ucontrol) | 
 | 342 | { | 
 | 343 | 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); | 
 | 344 | 	int i, reg, id; | 
 | 345 | 	unsigned char vol; | 
 | 346 |  | 
 | 347 | 	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); | 
 | 348 | 	if (id == 0) { | 
 | 349 | 		for (i = 0; i < 2; ++i) { | 
 | 350 | 			reg = STAC946X_MIC_L_VOLUME + i; | 
 | 351 | 			vol = stac9460_get(ice, reg) & 0x0f; | 
 | 352 | 			ucontrol->value.integer.value[i] = 0x0f - vol; | 
 | 353 | 		} | 
 | 354 | 	} else { | 
 | 355 | 		for (i = 0; i < 2; ++i) { | 
 | 356 | 			reg = STAC946X_MIC_L_VOLUME + i; | 
 | 357 | 			vol = stac9460_2_get(ice, reg) & 0x0f; | 
 | 358 | 			ucontrol->value.integer.value[i] = 0x0f - vol; | 
 | 359 | 		} | 
 | 360 | 	} | 
 | 361 | 	return 0; | 
 | 362 | } | 
 | 363 |  | 
 | 364 | static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol, | 
 | 365 | 				struct snd_ctl_elem_value *ucontrol) | 
 | 366 | { | 
 | 367 | 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); | 
 | 368 | 	int i, reg, id; | 
 | 369 | 	unsigned char ovol, nvol; | 
 | 370 | 	int change; | 
 | 371 |  | 
 | 372 | 	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); | 
 | 373 | 	if (id == 0) { | 
 | 374 | 		for (i = 0; i < 2; ++i) { | 
 | 375 | 			reg = STAC946X_MIC_L_VOLUME + i; | 
 | 376 | 			nvol = ucontrol->value.integer.value[i] & 0x0f; | 
 | 377 | 			ovol = 0x0f - stac9460_get(ice, reg); | 
 | 378 | 			change = ((ovol & 0x0f) != nvol); | 
 | 379 | 			if (change) | 
 | 380 | 				stac9460_put(ice, reg, (0x0f - nvol) | | 
 | 381 | 							(ovol & ~0x0f)); | 
 | 382 | 		} | 
 | 383 | 	} else { | 
 | 384 | 		for (i = 0; i < 2; ++i) { | 
 | 385 | 			reg = STAC946X_MIC_L_VOLUME + i; | 
 | 386 | 			nvol = ucontrol->value.integer.value[i] & 0x0f; | 
 | 387 | 			ovol = 0x0f - stac9460_2_get(ice, reg); | 
 | 388 | 			change = ((ovol & 0x0f) != nvol); | 
 | 389 | 			if (change) | 
 | 390 | 				stac9460_2_put(ice, reg, (0x0f - nvol) | | 
 | 391 | 							(ovol & ~0x0f)); | 
 | 392 | 		} | 
 | 393 | 	} | 
 | 394 | 	return change; | 
 | 395 | } | 
 | 396 |  | 
 | 397 | /* | 
 | 398 |  * MIC / LINE switch fonction | 
 | 399 |  */ | 
 | 400 | static int stac9460_mic_sw_info(struct snd_kcontrol *kcontrol, | 
 | 401 | 				struct snd_ctl_elem_info *uinfo) | 
 | 402 | { | 
 | 403 | 	static const char * const texts[2] = { "Line In", "Mic" }; | 
 | 404 |  | 
 | 405 | 	return snd_ctl_enum_info(uinfo, 1, 2, texts); | 
 | 406 | } | 
 | 407 |  | 
 | 408 |  | 
 | 409 | static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol, | 
 | 410 | 				struct snd_ctl_elem_value *ucontrol) | 
 | 411 | { | 
 | 412 | 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); | 
 | 413 | 	unsigned char val; | 
 | 414 | 	int id; | 
 | 415 |  | 
 | 416 | 	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); | 
 | 417 | 	if (id == 0) | 
 | 418 | 		val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE); | 
 | 419 | 	else | 
 | 420 | 		val = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE); | 
 | 421 | 	ucontrol->value.enumerated.item[0] = (val >> 7) & 0x1; | 
 | 422 | 	return 0; | 
 | 423 | } | 
 | 424 |  | 
 | 425 | static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol, | 
 | 426 | 				struct snd_ctl_elem_value *ucontrol) | 
 | 427 | { | 
 | 428 | 	struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol); | 
 | 429 | 	unsigned char new, old; | 
 | 430 | 	int change, id; | 
 | 431 |  | 
 | 432 | 	id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); | 
 | 433 | 	if (id == 0) | 
 | 434 | 		old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE); | 
 | 435 | 	else | 
 | 436 | 		old = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE); | 
 | 437 | 	new = (ucontrol->value.enumerated.item[0] << 7 & 0x80) | (old & ~0x80); | 
 | 438 | 	change = (new != old); | 
 | 439 | 	if (change) { | 
 | 440 | 		if (id == 0) | 
 | 441 | 			stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new); | 
 | 442 | 		else | 
 | 443 | 			stac9460_2_put(ice, STAC946X_GENERAL_PURPOSE, new); | 
 | 444 | 	} | 
 | 445 | 	return change; | 
 | 446 | } | 
 | 447 |  | 
 | 448 |  | 
 | 449 | /* | 
 | 450 |  * Handler for setting correct codec rate - called when rate change is detected | 
 | 451 |  */ | 
 | 452 | static void stac9460_set_rate_val(struct snd_ice1712 *ice, unsigned int rate) | 
 | 453 | { | 
 | 454 | 	unsigned char old, new; | 
 | 455 | 	unsigned short int changed; | 
 | 456 | 	struct wtm_spec *spec = ice->spec; | 
 | 457 |  | 
 | 458 | 	if (rate == 0)  /* no hint - S/PDIF input is master, simply return */ | 
 | 459 | 		return; | 
 | 460 | 	else if (rate <= 48000) | 
 | 461 | 		new = 0x08;     /* 256x, base rate mode */ | 
 | 462 | 	else if (rate <= 96000) | 
 | 463 | 		new = 0x11;     /* 256x, mid rate mode */ | 
 | 464 | 	else | 
 | 465 | 		new = 0x12;     /* 128x, high rate mode */ | 
 | 466 |  | 
 | 467 | 	old = stac9460_get(ice, STAC946X_MASTER_CLOCKING); | 
 | 468 | 	if (old == new) | 
 | 469 | 		return; | 
 | 470 | 	/* change detected, setting master clock, muting first */ | 
 | 471 | 	/* due to possible conflicts with mute controls - mutexing */ | 
 | 472 | 	mutex_lock(&spec->mute_mutex); | 
 | 473 | 	/* we have to remember current mute status for each DAC */ | 
 | 474 | 	changed = 0xFFFF; | 
 | 475 | 	stac9460_dac_mute_all(ice, 0, &changed); | 
 | 476 | 	/*printk(KERN_DEBUG "Rate change: %d, new MC: 0x%02x\n", rate, new);*/ | 
 | 477 | 	stac9460_put(ice, STAC946X_MASTER_CLOCKING, new); | 
 | 478 | 	stac9460_2_put(ice, STAC946X_MASTER_CLOCKING, new); | 
 | 479 | 	udelay(10); | 
 | 480 | 	/* unmuting - only originally unmuted dacs - | 
 | 481 | 	* i.e. those changed when muting */ | 
 | 482 | 	stac9460_dac_mute_all(ice, 1, &changed); | 
 | 483 | 	mutex_unlock(&spec->mute_mutex); | 
 | 484 | } | 
 | 485 |  | 
 | 486 |  | 
 | 487 | /*Limits value in dB for fader*/ | 
 | 488 | static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0); | 
 | 489 | static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0); | 
 | 490 |  | 
 | 491 | /* | 
 | 492 |  * Control tabs | 
 | 493 |  */ | 
 | 494 | static struct snd_kcontrol_new stac9640_controls[] = { | 
 | 495 | 	{ | 
 | 496 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 497 | 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | | 
 | 498 | 			    SNDRV_CTL_ELEM_ACCESS_TLV_READ), | 
 | 499 | 		.name = "Master Playback Switch", | 
 | 500 | 		.info = stac9460_dac_mute_info, | 
 | 501 | 		.get = stac9460_dac_mute_get, | 
 | 502 | 		.put = stac9460_dac_mute_put, | 
 | 503 | 		.private_value = 1, | 
 | 504 | 		.tlv = { .p = db_scale_dac } | 
 | 505 | 	}, | 
 | 506 | 	{ | 
 | 507 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 508 | 		.name = "Master Playback Volume", | 
 | 509 | 		.info = stac9460_dac_vol_info, | 
 | 510 | 		.get = stac9460_dac_vol_get, | 
 | 511 | 		.put = stac9460_dac_vol_put, | 
 | 512 | 		.private_value = 1, | 
 | 513 | 	}, | 
 | 514 | 	{ | 
 | 515 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 516 | 		.name = "MIC/Line Input Enum", | 
 | 517 | 		.count = 2, | 
 | 518 | 		.info = stac9460_mic_sw_info, | 
 | 519 | 		.get = stac9460_mic_sw_get, | 
 | 520 | 		.put = stac9460_mic_sw_put, | 
 | 521 |  | 
 | 522 | 	}, | 
 | 523 | 	{ | 
 | 524 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 525 | 		.name = "DAC Switch", | 
 | 526 | 		.count = 8, | 
 | 527 | 		.info = stac9460_dac_mute_info, | 
 | 528 | 		.get = stac9460_dac_mute_get, | 
 | 529 | 		.put = stac9460_dac_mute_put, | 
 | 530 | 	}, | 
 | 531 | 	{ | 
 | 532 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 533 | 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | | 
 | 534 | 			    SNDRV_CTL_ELEM_ACCESS_TLV_READ), | 
 | 535 |  | 
 | 536 | 		.name = "DAC Volume", | 
 | 537 | 		.count = 8, | 
 | 538 | 		.info = stac9460_dac_vol_info, | 
 | 539 | 		.get = stac9460_dac_vol_get, | 
 | 540 | 		.put = stac9460_dac_vol_put, | 
 | 541 | 		.tlv = { .p = db_scale_dac } | 
 | 542 | 	}, | 
 | 543 | 	{ | 
 | 544 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 545 | 		.name = "ADC Switch", | 
 | 546 | 		.count = 2, | 
 | 547 | 		.info = stac9460_adc_mute_info, | 
 | 548 | 		.get = stac9460_adc_mute_get, | 
 | 549 | 		.put = stac9460_adc_mute_put, | 
 | 550 | 	}, | 
 | 551 | 	{ | 
 | 552 | 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER, | 
 | 553 | 		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | | 
 | 554 | 			    SNDRV_CTL_ELEM_ACCESS_TLV_READ), | 
 | 555 |  | 
 | 556 | 		.name = "ADC Volume", | 
 | 557 | 		.count = 2, | 
 | 558 | 		.info = stac9460_adc_vol_info, | 
 | 559 | 		.get = stac9460_adc_vol_get, | 
 | 560 | 		.put = stac9460_adc_vol_put, | 
 | 561 | 		.tlv = { .p = db_scale_adc } | 
 | 562 | 	} | 
 | 563 | }; | 
 | 564 |  | 
 | 565 |  | 
 | 566 |  | 
 | 567 | /*INIT*/ | 
 | 568 | static int wtm_add_controls(struct snd_ice1712 *ice) | 
 | 569 | { | 
 | 570 | 	unsigned int i; | 
 | 571 | 	int err; | 
 | 572 |  | 
 | 573 | 	for (i = 0; i < ARRAY_SIZE(stac9640_controls); i++) { | 
 | 574 | 		err = snd_ctl_add(ice->card, | 
 | 575 | 				snd_ctl_new1(&stac9640_controls[i], ice)); | 
 | 576 | 		if (err < 0) | 
 | 577 | 			return err; | 
 | 578 | 	} | 
 | 579 | 	return 0; | 
 | 580 | } | 
 | 581 |  | 
 | 582 | static int wtm_init(struct snd_ice1712 *ice) | 
 | 583 | { | 
 | 584 | 	static unsigned short stac_inits_wtm[] = { | 
 | 585 | 		STAC946X_RESET, 0, | 
 | 586 | 		STAC946X_MASTER_CLOCKING, 0x11, | 
 | 587 | 		(unsigned short)-1 | 
 | 588 | 	}; | 
 | 589 | 	unsigned short *p; | 
 | 590 | 	struct wtm_spec *spec; | 
 | 591 |  | 
 | 592 | 	/*WTM 192M*/ | 
 | 593 | 	ice->num_total_dacs = 8; | 
 | 594 | 	ice->num_total_adcs = 4; | 
 | 595 | 	ice->force_rdma1 = 1; | 
 | 596 |  | 
 | 597 | 	/*init mutex for dac mute conflict*/ | 
 | 598 | 	spec = kzalloc(sizeof(*spec), GFP_KERNEL); | 
 | 599 | 	if (!spec) | 
 | 600 | 		return -ENOMEM; | 
 | 601 | 	ice->spec = spec; | 
 | 602 | 	mutex_init(&spec->mute_mutex); | 
 | 603 |  | 
 | 604 |  | 
 | 605 | 	/*initialize codec*/ | 
 | 606 | 	p = stac_inits_wtm; | 
 | 607 | 	for (; *p != (unsigned short)-1; p += 2) { | 
 | 608 | 		stac9460_put(ice, p[0], p[1]); | 
 | 609 | 		stac9460_2_put(ice, p[0], p[1]); | 
 | 610 | 	} | 
 | 611 | 	ice->gpio.set_pro_rate = stac9460_set_rate_val; | 
 | 612 | 	return 0; | 
 | 613 | } | 
 | 614 |  | 
 | 615 |  | 
 | 616 | static unsigned char wtm_eeprom[] = { | 
 | 617 | 	[ICE_EEP2_SYSCONF]      = 0x67, /*SYSCONF: clock 192KHz, mpu401, | 
 | 618 | 							4ADC, 8DAC */ | 
 | 619 | 	[ICE_EEP2_ACLINK]       = 0x80, /* ACLINK : I2S */ | 
 | 620 | 	[ICE_EEP2_I2S]          = 0xf8, /* I2S: vol; 96k, 24bit, 192k */ | 
 | 621 | 	[ICE_EEP2_SPDIF]        = 0xc1, /*SPDIF: out-en, spidf ext out*/ | 
 | 622 | 	[ICE_EEP2_GPIO_DIR]     = 0x9f, | 
 | 623 | 	[ICE_EEP2_GPIO_DIR1]    = 0xff, | 
 | 624 | 	[ICE_EEP2_GPIO_DIR2]    = 0x7f, | 
 | 625 | 	[ICE_EEP2_GPIO_MASK]    = 0x9f, | 
 | 626 | 	[ICE_EEP2_GPIO_MASK1]   = 0xff, | 
 | 627 | 	[ICE_EEP2_GPIO_MASK2]   = 0x7f, | 
 | 628 | 	[ICE_EEP2_GPIO_STATE]   = 0x16, | 
 | 629 | 	[ICE_EEP2_GPIO_STATE1]  = 0x80, | 
 | 630 | 	[ICE_EEP2_GPIO_STATE2]  = 0x00, | 
 | 631 | }; | 
 | 632 |  | 
 | 633 |  | 
 | 634 | /*entry point*/ | 
 | 635 | struct snd_ice1712_card_info snd_vt1724_wtm_cards[] = { | 
 | 636 | 	{ | 
 | 637 | 		.subvendor = VT1724_SUBDEVICE_WTM, | 
 | 638 | 		.name = "ESI Waveterminal 192M", | 
 | 639 | 		.model = "WT192M", | 
 | 640 | 		.chip_init = wtm_init, | 
 | 641 | 		.build_controls = wtm_add_controls, | 
 | 642 | 		.eeprom_size = sizeof(wtm_eeprom), | 
 | 643 | 		.eeprom_data = wtm_eeprom, | 
 | 644 | 	}, | 
 | 645 | 	{} /*terminator*/ | 
 | 646 | }; |