sound/soc/codecs/wm9713.c

Source file repositories/reference/linux-study-clean/sound/soc/codecs/wm9713.c

File Facts

System
Linux kernel
Corpus path
sound/soc/codecs/wm9713.c
Extension
.c
Size
44178 bytes
Lines
1289
Domain
Driver Families
Bucket
sound/soc
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct wm9713_priv {
	struct snd_ac97 *ac97;
	u32 pll_in; /* PLL input frequency */
	unsigned int hp_mixer[2];
	struct mutex lock;
	struct wm97xx_platform_data *mfd_pdata;
};

#define HPL_MIXER 0
#define HPR_MIXER 1

static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
static const char *wm9713_rec_src[] =
	{"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker",
	"Mono Out", "Zh"};
static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv"};
static const char *wm9713_spk_pga[] =
	{"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
	"Speaker Vmid", "Inv Vmid"};
static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
	"Headphone Vmid"};
static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
static const char *wm9713_dac_inv[] =
	{"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
	"Headphone Mono", "NC", "Vmid"};
static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
static const char *wm9713_micb_select[] = {"MPB", "MPA"};

static const struct soc_enum wm9713_enum[] = {
SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux),  /* record mux mono 2 */
SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src),  /* record mux left 3 */
SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src),  /* record mux right 4*/
SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
SOC_ENUM_SINGLE_VIRT(2, wm9713_micb_select), /* mic selection 19 */
};

static const DECLARE_TLV_DB_SCALE(out_tlv, -4650, 150, 0);
static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
static const DECLARE_TLV_DB_SCALE(misc_tlv, -1500, 300, 0);
static const  DECLARE_TLV_DB_RANGE(mic_tlv,
	0, 2, TLV_DB_SCALE_ITEM(1200, 600, 0),
	3, 3, TLV_DB_SCALE_ITEM(3000, 0, 0)
);

static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
SOC_DOUBLE_TLV("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1, out_tlv),
SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
SOC_DOUBLE_TLV("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1,
	       out_tlv),
SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1),
SOC_DOUBLE_TLV("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1, main_tlv),
SOC_DOUBLE_TLV("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1, main_tlv),
SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
SOC_SINGLE_TLV("Mic 1 Preamp Volume", AC97_3D_CONTROL, 10, 3, 0, mic_tlv),
SOC_SINGLE_TLV("Mic 2 Preamp Volume", AC97_3D_CONTROL, 12, 3, 0, mic_tlv),

SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),

SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
SOC_ENUM("Capture Volume Steps", wm9713_enum[5]),
SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 31, 0),
SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),

SOC_SINGLE_TLV("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1, misc_tlv),
SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),

Annotation

Implementation Notes