[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>

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