initial Olimex linux tree from Daniel, originally Feb 3, 2016

1 files changed, 30 insertions, 0 deletions

diff --git a/linux/arch/arm/mach-pxa/include/mach/audio.h b/linux/arch/arm/mach-pxa/include/mach/audio.h
new file mode 100644
index 00000000..a3449e35
--- /dev/null
+++ b/linux/arch/arm/mach-pxa/include/mach/audio.h
@@ -0,0 +1,30 @@
+#ifndef __ASM_ARCH_AUDIO_H__
+#define __ASM_ARCH_AUDIO_H__
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+
+/*
+ * @reset_gpio: AC97 reset gpio (normally gpio113 or gpio95)
+ *              a -1 value means no gpio will be used for reset
+ * @codec_pdata: AC97 codec platform_data
+
+ * reset_gpio should only be specified for pxa27x CPUs where a silicon
+ * bug prevents correct operation of the reset line. If not specified,
+ * the default behaviour on these CPUs is to consider gpio 113 as the
+ * AC97 reset line, which is the default on most boards.
+ */
+typedef struct {
+	int (*startup)(struct snd_pcm_substream *, void *);
+	void (*shutdown)(struct snd_pcm_substream *, void *);
+	void (*suspend)(void *);
+	void (*resume)(void *);
+	void *priv;
+	int reset_gpio;
+	void *codec_pdata[AC97_BUS_MAX_DEVICES];
+} pxa2xx_audio_ops_t;
+
+extern void pxa_set_ac97_info(pxa2xx_audio_ops_t *ops);
+
+#endif