162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Vortex Mixer support. 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * There is much more than just the AC97 mixer... 662306a36Sopenharmony_ci * 762306a36Sopenharmony_ci */ 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci#include <linux/time.h> 1062306a36Sopenharmony_ci#include <linux/init.h> 1162306a36Sopenharmony_ci#include <sound/core.h> 1262306a36Sopenharmony_ci#include "au88x0.h" 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_cistatic int remove_ctl(struct snd_card *card, const char *name) 1562306a36Sopenharmony_ci{ 1662306a36Sopenharmony_ci struct snd_ctl_elem_id id; 1762306a36Sopenharmony_ci memset(&id, 0, sizeof(id)); 1862306a36Sopenharmony_ci strcpy(id.name, name); 1962306a36Sopenharmony_ci id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 2062306a36Sopenharmony_ci return snd_ctl_remove_id(card, &id); 2162306a36Sopenharmony_ci} 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_cistatic int snd_vortex_mixer(vortex_t *vortex) 2462306a36Sopenharmony_ci{ 2562306a36Sopenharmony_ci struct snd_ac97_bus *pbus; 2662306a36Sopenharmony_ci struct snd_ac97_template ac97; 2762306a36Sopenharmony_ci int err; 2862306a36Sopenharmony_ci static const struct snd_ac97_bus_ops ops = { 2962306a36Sopenharmony_ci .write = vortex_codec_write, 3062306a36Sopenharmony_ci .read = vortex_codec_read, 3162306a36Sopenharmony_ci }; 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ci err = snd_ac97_bus(vortex->card, 0, &ops, NULL, &pbus); 3462306a36Sopenharmony_ci if (err < 0) 3562306a36Sopenharmony_ci return err; 3662306a36Sopenharmony_ci memset(&ac97, 0, sizeof(ac97)); 3762306a36Sopenharmony_ci // Initialize AC97 codec stuff. 3862306a36Sopenharmony_ci ac97.private_data = vortex; 3962306a36Sopenharmony_ci ac97.scaps = AC97_SCAP_NO_SPDIF; 4062306a36Sopenharmony_ci err = snd_ac97_mixer(pbus, &ac97, &vortex->codec); 4162306a36Sopenharmony_ci vortex->isquad = ((vortex->codec == NULL) ? 0 : (vortex->codec->ext_id&0x80)); 4262306a36Sopenharmony_ci remove_ctl(vortex->card, "Master Mono Playback Volume"); 4362306a36Sopenharmony_ci remove_ctl(vortex->card, "Master Mono Playback Switch"); 4462306a36Sopenharmony_ci return err; 4562306a36Sopenharmony_ci} 46