1 // SPDX-License-Identifier: GPL-2.0-or-later
5  *   Lowlevel functions for WM8776 codec
7  *	Copyright (c) 2012 Ondrej Zary <linux@rainbow-software.org>
16 /* low-level access */
24 		wm->regs[addr] = data;  in snd_wm8776_write()
25 	wm->ops.write(wm, bus_addr, bus_data);  in snd_wm8776_write()
28 /* register-level functions */
34 	struct snd_card *card = wm->card;  in snd_wm8776_activate_ctl()
46 	index_offset = snd_ctl_get_ioff(kctl, &kctl->id);  in snd_wm8776_activate_ctl()
47 	vd = &kctl->vd[index_offset];  in snd_wm8776_activate_ctl()
49 		vd->access &= ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;  in snd_wm8776_activate_ctl()
51 		vd->access |= SNDRV_CTL_ELEM_ACCESS_INACTIVE;  in snd_wm8776_activate_ctl()
52 	snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, &kctl->id);  in snd_wm8776_activate_ctl()
59 	switch (wm->agc_mode) {  in snd_wm8776_update_agc_ctl()
76 		if (wm->ctl[i].flags & flags_off)  in snd_wm8776_update_agc_ctl()
77 			snd_wm8776_activate_ctl(wm, wm->ctl[i].name, false);  in snd_wm8776_update_agc_ctl()
78 		else if (wm->ctl[i].flags & flags_on)  in snd_wm8776_update_agc_ctl()
79 			snd_wm8776_activate_ctl(wm, wm->ctl[i].name, true);  in snd_wm8776_update_agc_ctl()
84 	u16 alc1 = wm->regs[WM8776_REG_ALCCTRL1] & ~WM8776_ALC1_LCT_MASK;  in snd_wm8776_set_agc()
85 	u16 alc2 = wm->regs[WM8776_REG_ALCCTRL2] & ~WM8776_ALC2_LCEN;  in snd_wm8776_set_agc()
89 		wm->agc_mode = WM8776_AGC_OFF;  in snd_wm8776_set_agc()
93 		wm->agc_mode = WM8776_AGC_LIM;  in snd_wm8776_set_agc()
98 		wm->agc_mode = WM8776_AGC_ALC_R;  in snd_wm8776_set_agc()
103 		wm->agc_mode = WM8776_AGC_ALC_L;  in snd_wm8776_set_agc()
108 		wm->agc_mode = WM8776_AGC_ALC_STEREO;  in snd_wm8776_set_agc()
118 	*mode = wm->agc_mode;  in snd_wm8776_get_agc()
123 static const DECLARE_TLV_DB_SCALE(wm8776_hp_tlv, -7400, 100, 1);
124 static const DECLARE_TLV_DB_SCALE(wm8776_dac_tlv, -12750, 50, 1);
125 static const DECLARE_TLV_DB_SCALE(wm8776_adc_tlv, -10350, 50, 1);
126 static const DECLARE_TLV_DB_SCALE(wm8776_lct_tlv, -1600, 100, 0);
128 static const DECLARE_TLV_DB_SCALE(wm8776_ngth_tlv, -7800, 600, 0);
129 static const DECLARE_TLV_DB_SCALE(wm8776_maxatten_lim_tlv, -1200, 100, 0);
130 static const DECLARE_TLV_DB_SCALE(wm8776_maxatten_alc_tlv, -2100, 400, 0);
141 		.max = 0xff,
168 		.max = 0x7f,
228 		.max = 0xff,
275 		.max = 5,	/* .enum_names item count */
285 		.max = 15,
293 		.max = 11,	/* .enum_names item count */
304 		.max = 11,	/* .enum_names item count */
314 		.max = 8,	/* .enum_names item count */
326 		.max = 12,
335 		.max = 15,
344 		.max = 11,	/* .enum_names item count */
355 		.max = 11,	/* .enum_names item count */
367 		.max = 7,
377 		.max = 15,
387 		.max = 16,	/* .enum_names item count */
405 		.max = 7,
410 /* exported functions */
424 	memcpy(wm->ctl, snd_wm8776_default_ctl, sizeof(wm->ctl));  in snd_wm8776_init()
438 		snd_wm8776_write(wm, i, wm->regs[i]);  in snd_wm8776_resume()
448 	u16 val = wm->regs[WM8776_REG_DACRVOL];  in snd_wm8776_volume_restore()
459 	int n = kcontrol->private_value;  in snd_wm8776_volume_info()
461 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;  in snd_wm8776_volume_info()
462 	uinfo->count = (wm->ctl[n].flags & WM8776_FLAG_STEREO) ? 2 : 1;  in snd_wm8776_volume_info()
463 	uinfo->value.integer.min = wm->ctl[n].min;  in snd_wm8776_volume_info()
464 	uinfo->value.integer.max = wm->ctl[n].max;  in snd_wm8776_volume_info()
473 	int n = kcontrol->private_value;  in snd_wm8776_enum_info()
475 	return snd_ctl_enum_info(uinfo, 1, wm->ctl[n].max,  in snd_wm8776_enum_info()
476 						wm->ctl[n].enum_names);  in snd_wm8776_enum_info()
483 	int n = kcontrol->private_value;  in snd_wm8776_ctl_get()
486 	if (wm->ctl[n].get)  in snd_wm8776_ctl_get()
487 		wm->ctl[n].get(wm, &val1, &val2);  in snd_wm8776_ctl_get()
489 		val1 = wm->regs[wm->ctl[n].reg1] & wm->ctl[n].mask1;  in snd_wm8776_ctl_get()
490 		val1 >>= __ffs(wm->ctl[n].mask1);  in snd_wm8776_ctl_get()
491 		if (wm->ctl[n].flags & WM8776_FLAG_STEREO) {  in snd_wm8776_ctl_get()
492 			val2 = wm->regs[wm->ctl[n].reg2] & wm->ctl[n].mask2;  in snd_wm8776_ctl_get()
493 			val2 >>= __ffs(wm->ctl[n].mask2);  in snd_wm8776_ctl_get()
494 			if (wm->ctl[n].flags & WM8776_FLAG_VOL_UPDATE)  in snd_wm8776_ctl_get()
498 	if (wm->ctl[n].flags & WM8776_FLAG_INVERT) {  in snd_wm8776_ctl_get()
499 		val1 = wm->ctl[n].max - (val1 - wm->ctl[n].min);  in snd_wm8776_ctl_get()
500 		if (wm->ctl[n].flags & WM8776_FLAG_STEREO)  in snd_wm8776_ctl_get()
501 			val2 = wm->ctl[n].max - (val2 - wm->ctl[n].min);  in snd_wm8776_ctl_get()
503 	ucontrol->value.integer.value[0] = val1;  in snd_wm8776_ctl_get()
504 	if (wm->ctl[n].flags & WM8776_FLAG_STEREO)  in snd_wm8776_ctl_get()
505 		ucontrol->value.integer.value[1] = val2;  in snd_wm8776_ctl_get()
514 	int n = kcontrol->private_value;  in snd_wm8776_ctl_put()
518 	regval1 = ucontrol->value.integer.value[0];  in snd_wm8776_ctl_put()
519 	regval2 = ucontrol->value.integer.value[1];  in snd_wm8776_ctl_put()
520 	if (wm->ctl[n].flags & WM8776_FLAG_INVERT) {  in snd_wm8776_ctl_put()
521 		regval1 = wm->ctl[n].max - (regval1 - wm->ctl[n].min);  in snd_wm8776_ctl_put()
522 		regval2 = wm->ctl[n].max - (regval2 - wm->ctl[n].min);  in snd_wm8776_ctl_put()
524 	if (wm->ctl[n].set)  in snd_wm8776_ctl_put()
525 		wm->ctl[n].set(wm, regval1, regval2);  in snd_wm8776_ctl_put()
527 		val = wm->regs[wm->ctl[n].reg1] & ~wm->ctl[n].mask1;  in snd_wm8776_ctl_put()
528 		val |= regval1 << __ffs(wm->ctl[n].mask1);  in snd_wm8776_ctl_put()
530 		if (wm->ctl[n].flags & WM8776_FLAG_STEREO &&  in snd_wm8776_ctl_put()
531 				wm->ctl[n].reg1 == wm->ctl[n].reg2) {  in snd_wm8776_ctl_put()
532 			val &= ~wm->ctl[n].mask2;  in snd_wm8776_ctl_put()
533 			val |= regval2 << __ffs(wm->ctl[n].mask2);  in snd_wm8776_ctl_put()
535 		snd_wm8776_write(wm, wm->ctl[n].reg1, val);  in snd_wm8776_ctl_put()
537 		if (wm->ctl[n].flags & WM8776_FLAG_STEREO &&  in snd_wm8776_ctl_put()
538 				wm->ctl[n].reg1 != wm->ctl[n].reg2) {  in snd_wm8776_ctl_put()
539 			val = wm->regs[wm->ctl[n].reg2] & ~wm->ctl[n].mask2;  in snd_wm8776_ctl_put()
540 			val |= regval2 << __ffs(wm->ctl[n].mask2);  in snd_wm8776_ctl_put()
541 			if (wm->ctl[n].flags & WM8776_FLAG_VOL_UPDATE)  in snd_wm8776_ctl_put()
543 			snd_wm8776_write(wm, wm->ctl[n].reg2, val);  in snd_wm8776_ctl_put()
558 	cont.name = wm->ctl[num].name;  in snd_wm8776_add_control()
560 	if (wm->ctl[num].flags & WM8776_FLAG_LIM ||  in snd_wm8776_add_control()
561 	    wm->ctl[num].flags & WM8776_FLAG_ALC)  in snd_wm8776_add_control()
567 	switch (wm->ctl[num].type) {  in snd_wm8776_add_control()
571 		cont.tlv.p = wm->ctl[num].tlv;  in snd_wm8776_add_control()
574 		wm->ctl[num].max = 1;  in snd_wm8776_add_control()
575 		if (wm->ctl[num].flags & WM8776_FLAG_STEREO)  in snd_wm8776_add_control()
584 		return -EINVAL;  in snd_wm8776_add_control()
588 		return -ENOMEM;  in snd_wm8776_add_control()
590 	return snd_ctl_add(wm->card, ctl);  in snd_wm8776_add_control()
598 		if (wm->ctl[i].name) {  in snd_wm8776_build_controls()