[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>
diff --git a/sound/soc/codecs/wm9713.h b/sound/soc/codecs/wm9713.h
new file mode 100644
index 0000000..d357b6c
--- /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