From: Takashi Iwai Date: Mon, 21 Aug 2006 16:44:31 +0000 (+0200) Subject: [ALSA] Add TLV support to AC97 codec driver X-Git-Tag: v2.6.19-rc1~1270^2~70 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2f3482fbbd5dac7d0e86fe5b7ac5c1e51d52b084;p=linux-2.6 [ALSA] Add TLV support to AC97 codec driver Added the TLV support to AC97 codec driver for addition of dB range information. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index e5d062d640..c47f43dbd6 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include #include @@ -1181,6 +1182,32 @@ static int snd_ac97_cmute_new_stereo(struct snd_card *card, char *name, int reg, return 0; } +/* + * set dB information + */ +static DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); +static DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); +static DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); +static DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); +static DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); + +static unsigned int *find_db_scale(unsigned int maxval) +{ + switch (maxval) { + case 0x0f: return db_scale_4bit; + case 0x1f: return db_scale_5bit; + case 0x3f: return db_scale_6bit; + } + return NULL; +} + +static void set_tlv_db_scale(struct snd_kcontrol *kctl, unsigned int *tlv) +{ + kctl->tlv.p = tlv; + if (tlv) + kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; +} + /* * create a volume for normal stereo/mono controls */ @@ -1203,6 +1230,10 @@ static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigne tmp.index = ac97->num; kctl = snd_ctl_new1(&tmp, ac97); } + if (reg >= AC97_PHONE && reg <= AC97_PCM) + set_tlv_db_scale(kctl, db_scale_5bit_12db_max); + else + set_tlv_db_scale(kctl, find_db_scale(lo_max)); err = snd_ctl_add(card, kctl); if (err < 0) return err; @@ -1282,6 +1313,7 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 0, &max); kctl->private_value &= ~(0xff << 16); kctl->private_value |= (int)max << 16; + set_tlv_db_scale(kctl, find_db_scale(max)); snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max); } @@ -1295,6 +1327,7 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) snd_ac97_change_volume_params2(ac97, AC97_CENTER_LFE_MASTER, 8, &max); kctl->private_value &= ~(0xff << 16); kctl->private_value |= (int)max << 16; + set_tlv_db_scale(kctl, find_db_scale(max)); snd_ac97_write_cache(ac97, AC97_CENTER_LFE_MASTER, ac97->regs[AC97_CENTER_LFE_MASTER] | max << 8); } @@ -1342,8 +1375,9 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) ((ac97->flags & AC97_HAS_PC_BEEP) || snd_ac97_try_volume_mix(ac97, AC97_PC_BEEP))) { for (idx = 0; idx < 2; idx++) - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) + if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_pc_beep[idx], ac97))) < 0) return err; + set_tlv_db_scale(kctl, db_scale_4bit); snd_ac97_write_cache(ac97, AC97_PC_BEEP, snd_ac97_read(ac97, AC97_PC_BEEP) | 0x801e); } @@ -1410,22 +1444,26 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) else init_val = 0x9f1f; for (idx = 0; idx < 2; idx++) - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) + if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_pcm[idx], ac97))) < 0) return err; + set_tlv_db_scale(kctl, db_scale_5bit); ac97->spec.ad18xx.pcmreg[0] = init_val; if (ac97->scaps & AC97_SCAP_SURROUND_DAC) { for (idx = 0; idx < 2; idx++) - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) + if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_surround[idx], ac97))) < 0) return err; + set_tlv_db_scale(kctl, db_scale_5bit); ac97->spec.ad18xx.pcmreg[1] = init_val; } if (ac97->scaps & AC97_SCAP_CENTER_LFE_DAC) { for (idx = 0; idx < 2; idx++) - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) + if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_center[idx], ac97))) < 0) return err; + set_tlv_db_scale(kctl, db_scale_5bit); for (idx = 0; idx < 2; idx++) - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) + if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_ad18xx_lfe[idx], ac97))) < 0) return err; + set_tlv_db_scale(kctl, db_scale_5bit); ac97->spec.ad18xx.pcmreg[2] = init_val; } snd_ac97_write_cache(ac97, AC97_PCM, init_val); @@ -1453,16 +1491,18 @@ static int snd_ac97_mixer_build(struct snd_ac97 * ac97) if (err < 0) return err; } - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) + if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_control_capture_vol, ac97))) < 0) return err; + set_tlv_db_scale(kctl, db_scale_rec_gain); snd_ac97_write_cache(ac97, AC97_REC_SEL, 0x0000); snd_ac97_write_cache(ac97, AC97_REC_GAIN, 0x0000); } /* build MIC Capture controls */ if (snd_ac97_try_volume_mix(ac97, AC97_REC_GAIN_MIC)) { for (idx = 0; idx < 2; idx++) - if ((err = snd_ctl_add(card, snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) + if ((err = snd_ctl_add(card, kctl = snd_ac97_cnew(&snd_ac97_controls_mic_capture[idx], ac97))) < 0) return err; + set_tlv_db_scale(kctl, db_scale_rec_gain); snd_ac97_write_cache(ac97, AC97_REC_GAIN_MIC, 0x0000); } diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c index 37c6be481c..392f6ccace 100644 --- a/sound/pci/ac97/ac97_patch.c +++ b/sound/pci/ac97/ac97_patch.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include "ac97_patch.h" #include "ac97_id.h" @@ -51,6 +52,20 @@ static int patch_build_controls(struct snd_ac97 * ac97, const struct snd_kcontro return 0; } +/* replace with a new TLV */ +static void reset_tlv(struct snd_ac97 *ac97, const char *name, + unsigned int *tlv) +{ + struct snd_ctl_elem_id sid; + struct snd_kcontrol *kctl; + memset(&sid, 0, sizeof(sid)); + strcpy(sid.name, name); + sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + kctl = snd_ctl_find_id(ac97->bus->card, &sid); + if (kctl && kctl->tlv.p) + kctl->tlv.p = tlv; +} + /* set to the page, update bits and restore the page */ static int ac97_update_bits_page(struct snd_ac97 *ac97, unsigned short reg, unsigned short mask, unsigned short value, unsigned short page) { @@ -1522,12 +1537,16 @@ static const struct snd_kcontrol_new snd_ac97_controls_ad1885[] = { AC97_SINGLE("Line Jack Sense", AC97_AD_JACK_SPDIF, 8, 1, 1), /* inverted */ }; +static DECLARE_TLV_DB_SCALE(db_scale_6bit_6db_max, -8850, 150, 0); + static int patch_ad1885_specific(struct snd_ac97 * ac97) { int err; if ((err = patch_build_controls(ac97, snd_ac97_controls_ad1885, ARRAY_SIZE(snd_ac97_controls_ad1885))) < 0) return err; + reset_tlv(ac97, "Headphone Playback Volume", + db_scale_6bit_6db_max); return 0; } @@ -1551,12 +1570,27 @@ int patch_ad1885(struct snd_ac97 * ac97) return 0; } +static int patch_ad1886_specific(struct snd_ac97 * ac97) +{ + reset_tlv(ac97, "Headphone Playback Volume", + db_scale_6bit_6db_max); + return 0; +} + +static struct snd_ac97_build_ops patch_ad1886_build_ops = { + .build_specific = &patch_ad1886_specific, +#ifdef CONFIG_PM + .resume = ad18xx_resume +#endif +}; + int patch_ad1886(struct snd_ac97 * ac97) { patch_ad1881(ac97); /* Presario700 workaround */ /* for Jack Sense/SPDIF Register misetting causing */ snd_ac97_write_cache(ac97, AC97_AD_JACK_SPDIF, 0x0010); + ac97->build_ops = &patch_ad1886_build_ops; return 0; } @@ -2015,6 +2049,8 @@ static const struct snd_kcontrol_new snd_ac97_spdif_controls_alc650[] = { /* AC97_SINGLE("IEC958 Input Monitor", AC97_ALC650_MULTICH, 13, 1, 0), */ }; +static DECLARE_TLV_DB_SCALE(db_scale_5bit_3db_max, -4350, 150, 0); + static int patch_alc650_specific(struct snd_ac97 * ac97) { int err; @@ -2025,6 +2061,9 @@ static int patch_alc650_specific(struct snd_ac97 * ac97) if ((err = patch_build_controls(ac97, snd_ac97_spdif_controls_alc650, ARRAY_SIZE(snd_ac97_spdif_controls_alc650))) < 0) return err; } + if (ac97->id != AC97_ID_ALC650F) + reset_tlv(ac97, "Master Playback Volume", + db_scale_5bit_3db_max); return 0; }