1 // SPDX-License-Identifier: GPL-2.0-or-later
42 	/* SR: no swap, 1bit delay, 32-48kHz */  in daca_init_client()
44 	if (i2c_smbus_write_byte_data(i2c->client, DACA_REG_SR, 0x08) < 0 ||  in daca_init_client()
45 	    i2c_smbus_write_byte_data(i2c->client, DACA_REG_GCFG, 0x05) < 0)  in daca_init_client()
46 		return -EINVAL;  in daca_init_client()
47 	return i2c_smbus_write_block_data(i2c->client, DACA_REG_AVOL,  in daca_init_client()
54 static int daca_set_volume(struct pmac_daca *mix)  in daca_set_volume()  argument
58 	if (! mix->i2c.client)  in daca_set_volume()
59 		return -ENODEV;  in daca_set_volume()
61 	if (mix->left_vol > DACA_VOL_MAX)  in daca_set_volume()
64 		data[0] = mix->left_vol;  in daca_set_volume()
65 	if (mix->right_vol > DACA_VOL_MAX)  in daca_set_volume()
68 		data[1] = mix->right_vol;  in daca_set_volume()
69 	data[1] |= mix->deemphasis ? 0x40 : 0;  in daca_set_volume()
70 	if (i2c_smbus_write_block_data(mix->i2c.client, DACA_REG_AVOL,  in daca_set_volume()
72 		dev_err(&mix->i2c.client->dev, "failed to set volume\n");  in daca_set_volume()
73 		return -EINVAL;  in daca_set_volume()
86 	struct pmac_daca *mix;  in daca_get_deemphasis()  local
87 	mix = chip->mixer_data;  in daca_get_deemphasis()
88 	if (!mix)  in daca_get_deemphasis()
89 		return -ENODEV;  in daca_get_deemphasis()
90 	ucontrol->value.integer.value[0] = mix->deemphasis ? 1 : 0;  in daca_get_deemphasis()
98 	struct pmac_daca *mix;  in daca_put_deemphasis()  local
101 	mix = chip->mixer_data;  in daca_put_deemphasis()
102 	if (!mix)  in daca_put_deemphasis()
103 		return -ENODEV;  in daca_put_deemphasis()
104 	change = mix->deemphasis != ucontrol->value.integer.value[0];  in daca_put_deemphasis()
106 		mix->deemphasis = !!ucontrol->value.integer.value[0];  in daca_put_deemphasis()
107 		daca_set_volume(mix);  in daca_put_deemphasis()
116 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;  in daca_info_volume()
117 	uinfo->count = 2;  in daca_info_volume()
118 	uinfo->value.integer.min = 0;  in daca_info_volume()
119 	uinfo->value.integer.max = DACA_VOL_MAX;  in daca_info_volume()
127 	struct pmac_daca *mix;  in daca_get_volume()  local
128 	mix = chip->mixer_data;  in daca_get_volume()
129 	if (!mix)  in daca_get_volume()
130 		return -ENODEV;  in daca_get_volume()
131 	ucontrol->value.integer.value[0] = mix->left_vol;  in daca_get_volume()
132 	ucontrol->value.integer.value[1] = mix->right_vol;  in daca_get_volume()
140 	struct pmac_daca *mix;  in daca_put_volume()  local
144 	mix = chip->mixer_data;  in daca_put_volume()
145 	if (!mix)  in daca_put_volume()
146 		return -ENODEV;  in daca_put_volume()
147 	vol[0] = ucontrol->value.integer.value[0];  in daca_put_volume()
148 	vol[1] = ucontrol->value.integer.value[1];  in daca_put_volume()
150 		return -EINVAL;  in daca_put_volume()
151 	change = mix->left_vol != vol[0] ||  in daca_put_volume()
152 		mix->right_vol != vol[1];  in daca_put_volume()
154 		mix->left_vol = vol[0];  in daca_put_volume()
155 		mix->right_vol = vol[1];  in daca_put_volume()
156 		daca_set_volume(mix);  in daca_put_volume()
168 	struct pmac_daca *mix;  in daca_get_amp()  local
169 	mix = chip->mixer_data;  in daca_get_amp()
170 	if (!mix)  in daca_get_amp()
171 		return -ENODEV;  in daca_get_amp()
172 	ucontrol->value.integer.value[0] = mix->amp_on ? 1 : 0;  in daca_get_amp()
180 	struct pmac_daca *mix;  in daca_put_amp()  local
183 	mix = chip->mixer_data;  in daca_put_amp()
184 	if (!mix)  in daca_put_amp()
185 		return -ENODEV;  in daca_put_amp()
186 	change = mix->amp_on != ucontrol->value.integer.value[0];  in daca_put_amp()
188 		mix->amp_on = !!ucontrol->value.integer.value[0];  in daca_put_amp()
189 		i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_GCFG,  in daca_put_amp()
190 					  mix->amp_on ? 0x05 : 0x04);  in daca_put_amp()
220 	struct pmac_daca *mix = chip->mixer_data;  in daca_resume()  local
221 	i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_SR, 0x08);  in daca_resume()
222 	i2c_smbus_write_byte_data(mix->i2c.client, DACA_REG_GCFG,  in daca_resume()
223 				  mix->amp_on ? 0x05 : 0x04);  in daca_resume()
224 	daca_set_volume(mix);  in daca_resume()
231 	struct pmac_daca *mix = chip->mixer_data;  in daca_cleanup()  local
232 	if (! mix)  in daca_cleanup()
234 	snd_pmac_keywest_cleanup(&mix->i2c);  in daca_cleanup()
235 	kfree(mix);  in daca_cleanup()
236 	chip->mixer_data = NULL;  in daca_cleanup()
243 	struct pmac_daca *mix;  in snd_pmac_daca_init()  local
245 	request_module("i2c-powermac");  in snd_pmac_daca_init()
247 	mix = kzalloc(sizeof(*mix), GFP_KERNEL);  in snd_pmac_daca_init()
248 	if (! mix)  in snd_pmac_daca_init()
249 		return -ENOMEM;  in snd_pmac_daca_init()
250 	chip->mixer_data = mix;  in snd_pmac_daca_init()
251 	chip->mixer_free = daca_cleanup;  in snd_pmac_daca_init()
252 	mix->amp_on = 1; /* default on */  in snd_pmac_daca_init()
254 	mix->i2c.addr = DACA_I2C_ADDR;  in snd_pmac_daca_init()
255 	mix->i2c.init_client = daca_init_client;  in snd_pmac_daca_init()
256 	mix->i2c.name = "DACA";  in snd_pmac_daca_init()
257 	err = snd_pmac_keywest_init(&mix->i2c);  in snd_pmac_daca_init()
264 	strcpy(chip->card->mixername, "PowerMac DACA");  in snd_pmac_daca_init()
267 		err = snd_ctl_add(chip->card, snd_ctl_new1(&daca_mixers[i], chip));  in snd_pmac_daca_init()
273 	chip->resume = daca_resume;  in snd_pmac_daca_init()