From: Takashi Iwai Date: Tue, 22 Aug 2006 11:16:25 +0000 (+0200) Subject: [ALSA] Add dB scale information to ad1848 driver X-Git-Tag: v2.6.19-rc1~1270^2~62 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eac06a10d2b814dfacc36a8fff35ef07bf4eec8e;p=linux-2.6 [ALSA] Add dB scale information to ad1848 driver Added the dB scale information to ad1848 driver. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- diff --git a/include/sound/ad1848.h b/include/sound/ad1848.h index 57af1fe7b3..c8de6f8333 100644 --- a/include/sound/ad1848.h +++ b/include/sound/ad1848.h @@ -179,14 +179,13 @@ enum { AD1848_MIX_SINGLE, AD1848_MIX_DOUBLE, AD1848_MIX_CAPTURE }; #define AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) \ ((left_reg) | ((right_reg) << 8) | ((shift_left) << 16) | ((shift_right) << 19) | ((mask) << 24) | ((invert) << 22)) -int snd_ad1848_add_ctl(struct snd_ad1848 *chip, const char *name, int index, int type, unsigned long value); - /* for ease of use */ struct ad1848_mix_elem { const char *name; int index; int type; unsigned long private_value; + unsigned int *tlv; }; #define AD1848_SINGLE(xname, xindex, reg, shift, mask, invert) \ @@ -195,15 +194,26 @@ struct ad1848_mix_elem { .type = AD1848_MIX_SINGLE, \ .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert) } +#define AD1848_SINGLE_TLV(xname, xindex, reg, shift, mask, invert, xtlv) \ +{ .name = xname, \ + .index = xindex, \ + .type = AD1848_MIX_SINGLE, \ + .private_value = AD1848_MIXVAL_SINGLE(reg, shift, mask, invert), \ + .tlv = xtlv } + #define AD1848_DOUBLE(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert) \ { .name = xname, \ .index = xindex, \ .type = AD1848_MIX_DOUBLE, \ .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert) } -static inline int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c) -{ - return snd_ad1848_add_ctl(chip, c->name, c->index, c->type, c->private_value); -} +#define AD1848_DOUBLE_TLV(xname, xindex, left_reg, right_reg, shift_left, shift_right, mask, invert, xtlv) \ +{ .name = xname, \ + .index = xindex, \ + .type = AD1848_MIX_DOUBLE, \ + .private_value = AD1848_MIXVAL_DOUBLE(left_reg, right_reg, shift_left, shift_right, mask, invert), \ + .tlv = xtlv } + +int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, const struct ad1848_mix_elem *c); #endif /* __SOUND_AD1848_H */ diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c index e711f87d5f..a6fbd5d1d6 100644 --- a/sound/isa/ad1848/ad1848_lib.c +++ b/sound/isa/ad1848/ad1848_lib.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -118,6 +119,8 @@ void snd_ad1848_out(struct snd_ad1848 *chip, #endif } +EXPORT_SYMBOL(snd_ad1848_out); + static void snd_ad1848_dout(struct snd_ad1848 *chip, unsigned char reg, unsigned char value) { @@ -941,6 +944,8 @@ int snd_ad1848_create(struct snd_card *card, return 0; } +EXPORT_SYMBOL(snd_ad1848_create); + static struct snd_pcm_ops snd_ad1848_playback_ops = { .open = snd_ad1848_playback_open, .close = snd_ad1848_playback_close, @@ -988,12 +993,16 @@ int snd_ad1848_pcm(struct snd_ad1848 *chip, int device, struct snd_pcm **rpcm) return 0; } +EXPORT_SYMBOL(snd_ad1848_pcm); + const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction) { return direction == SNDRV_PCM_STREAM_PLAYBACK ? &snd_ad1848_playback_ops : &snd_ad1848_capture_ops; } +EXPORT_SYMBOL(snd_ad1848_get_pcm_ops); + /* * MIXER part */ @@ -1171,7 +1180,8 @@ static int snd_ad1848_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_e /* */ -int snd_ad1848_add_ctl(struct snd_ad1848 *chip, const char *name, int index, int type, unsigned long value) +int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, + const struct ad1848_mix_elem *c) { static struct snd_kcontrol_new newctls[] = { [AD1848_MIX_SINGLE] = { @@ -1196,32 +1206,46 @@ int snd_ad1848_add_ctl(struct snd_ad1848 *chip, const char *name, int index, int struct snd_kcontrol *ctl; int err; - ctl = snd_ctl_new1(&newctls[type], chip); + ctl = snd_ctl_new1(&newctls[c->type], chip); if (! ctl) return -ENOMEM; - strlcpy(ctl->id.name, name, sizeof(ctl->id.name)); - ctl->id.index = index; - ctl->private_value = value; + strlcpy(ctl->id.name, c->name, sizeof(ctl->id.name)); + ctl->id.index = c->index; + ctl->private_value = c->private_value; + if (c->tlv) { + ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; + ctl->tlv.p = c->tlv; + } if ((err = snd_ctl_add(chip->card, ctl)) < 0) return err; return 0; } +EXPORT_SYMBOL(snd_ad1848_add_ctl_elem); + +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 struct ad1848_mix_elem snd_ad1848_controls[] = { AD1848_DOUBLE("PCM Playback Switch", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 7, 7, 1, 1), -AD1848_DOUBLE("PCM Playback Volume", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1), +AD1848_DOUBLE_TLV("PCM Playback Volume", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1, + db_scale_6bit), AD1848_DOUBLE("Aux Playback Switch", 0, AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 7, 7, 1, 1), -AD1848_DOUBLE("Aux Playback Volume", 0, AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 0, 0, 31, 1), +AD1848_DOUBLE_TLV("Aux Playback Volume", 0, AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 0, 0, 31, 1, + db_scale_5bit_12db_max), AD1848_DOUBLE("Aux Playback Switch", 1, AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 7, 7, 1, 1), -AD1848_DOUBLE("Aux Playback Volume", 1, AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 0, 0, 31, 1), -AD1848_DOUBLE("Capture Volume", 0, AD1848_LEFT_INPUT, AD1848_RIGHT_INPUT, 0, 0, 15, 0), +AD1848_DOUBLE_TLV("Aux Playback Volume", 1, AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 0, 0, 31, 1, + db_scale_5bit_12db_max), +AD1848_DOUBLE_TLV("Capture Volume", 0, AD1848_LEFT_INPUT, AD1848_RIGHT_INPUT, 0, 0, 15, 0, + db_scale_rec_gain), { .name = "Capture Source", .type = AD1848_MIX_CAPTURE, }, AD1848_SINGLE("Loopback Capture Switch", 0, AD1848_LOOPBACK, 0, 1, 0), -AD1848_SINGLE("Loopback Capture Volume", 0, AD1848_LOOPBACK, 1, 63, 0) +AD1848_SINGLE_TLV("Loopback Capture Volume", 0, AD1848_LOOPBACK, 1, 63, 0, + db_scale_6bit), }; int snd_ad1848_mixer(struct snd_ad1848 *chip) @@ -1245,12 +1269,7 @@ int snd_ad1848_mixer(struct snd_ad1848 *chip) return 0; } -EXPORT_SYMBOL(snd_ad1848_out); -EXPORT_SYMBOL(snd_ad1848_create); -EXPORT_SYMBOL(snd_ad1848_pcm); -EXPORT_SYMBOL(snd_ad1848_get_pcm_ops); EXPORT_SYMBOL(snd_ad1848_mixer); -EXPORT_SYMBOL(snd_ad1848_add_ctl); /* * INIT part