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authorLiam Girdwood <liam.girdwood@wolfsonmicro.com>2008-02-15 16:43:11 +0100
committerTakashi Iwai <tiwai@suse.de>2008-04-24 12:00:11 +0200
commit83ac08c0846bc6106d6c7fbb342eab02b32dd399 (patch)
tree2b78ecddedbd3e8909bff81cdff6a4a96474e649 /sound/soc/codecs/wm9713.h
parent88c71a9974693f2b2824b09340269511dd7cbe18 (diff)
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[ALSA] ASoC: WM9713 driver
This patch adds an ASoC driver for the WM9713 AC97 codec. Signed-off-by: Liam Girdwood <liam.girdwood@wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/soc/codecs/wm9713.h')
-rw-r--r--sound/soc/codecs/wm9713.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm9713.h b/sound/soc/codecs/wm9713.h
new file mode 100644
index 000000000000..d357b6c8134b
--- /dev/null
+++ b/sound/soc/codecs/wm9713.h
@@ -0,0 +1,53 @@
+/*
+ * wm9713.h -- WM9713 Soc Audio driver
+ */
+
+#ifndef _WM9713_H
+#define _WM9713_H
+
+/* clock inputs */
+#define WM9713_CLKA_PIN 0
+#define WM9713_CLKB_PIN 1
+
+/* clock divider ID's */
+#define WM9713_PCMCLK_DIV 0
+#define WM9713_CLKA_MULT 1
+#define WM9713_CLKB_MULT 2
+#define WM9713_HIFI_DIV 3
+#define WM9713_PCMBCLK_DIV 4
+#define WM9713_PCMCLK_PLL_DIV 5
+#define WM9713_HIFI_PLL_DIV 6
+
+/* Calculate the appropriate bit mask for the external PCM clock divider */
+#define WM9713_PCMDIV(x) ((x - 1) << 8)
+
+/* Calculate the appropriate bit mask for the external HiFi clock divider */
+#define WM9713_HIFIDIV(x) ((x - 1) << 12)
+
+/* MCLK clock mulitipliers */
+#define WM9713_CLKA_X1 (0 << 1)
+#define WM9713_CLKA_X2 (1 << 1)
+#define WM9713_CLKB_X1 (0 << 2)
+#define WM9713_CLKB_X2 (1 << 2)
+
+/* MCLK clock MUX */
+#define WM9713_CLK_MUX_A (0 << 0)
+#define WM9713_CLK_MUX_B (1 << 0)
+
+/* Voice DAI BCLK divider */
+#define WM9713_PCMBCLK_DIV_1 (0 << 9)
+#define WM9713_PCMBCLK_DIV_2 (1 << 9)
+#define WM9713_PCMBCLK_DIV_4 (2 << 9)
+#define WM9713_PCMBCLK_DIV_8 (3 << 9)
+#define WM9713_PCMBCLK_DIV_16 (4 << 9)
+
+#define WM9713_DAI_AC97_HIFI 0
+#define WM9713_DAI_AC97_AUX 1
+#define WM9713_DAI_PCM_VOICE 2
+
+extern struct snd_soc_codec_device soc_codec_dev_wm9713;
+extern struct snd_soc_codec_dai wm9713_dai[3];
+
+int wm9713_reset(struct snd_soc_codec *codec, int try_warm);
+
+#endif