summaryrefslogtreecommitdiff
path: root/include/linux/platform_data/asoc-s3c.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/platform_data/asoc-s3c.h')
-rw-r--r--include/linux/platform_data/asoc-s3c.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/include/linux/platform_data/asoc-s3c.h b/include/linux/platform_data/asoc-s3c.h
new file mode 100644
index 000000000000..aa9875f77c40
--- /dev/null
+++ b/include/linux/platform_data/asoc-s3c.h
@@ -0,0 +1,59 @@
+/* arch/arm/plat-samsung/include/plat/audio.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co. Ltd
+ * Author: Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/* The machine init code calls s3c*_ac97_setup_gpio with
+ * one of these defines in order to select appropriate bank
+ * of GPIO for AC97 pins
+ */
+#define S3C64XX_AC97_GPD 0
+#define S3C64XX_AC97_GPE 1
+extern void s3c64xx_ac97_setup_gpio(int);
+
+/*
+ * The machine init code calls s5p*_spdif_setup_gpio with
+ * one of these defines in order to select appropriate bank
+ * of GPIO for S/PDIF pins
+ */
+#define S5PC100_SPDIF_GPD 0
+#define S5PC100_SPDIF_GPG3 1
+extern void s5pc100_spdif_setup_gpio(int);
+
+struct samsung_i2s {
+/* If the Primary DAI has 5.1 Channels */
+#define QUIRK_PRI_6CHAN (1 << 0)
+/* If the I2S block has a Stereo Overlay Channel */
+#define QUIRK_SEC_DAI (1 << 1)
+/*
+ * If the I2S block has no internal prescalar or MUX (I2SMOD[10] bit)
+ * The Machine driver must provide suitably set clock to the I2S block.
+ */
+#define QUIRK_NO_MUXPSR (1 << 2)
+#define QUIRK_NEED_RSTCLR (1 << 3)
+ /* Quirks of the I2S controller */
+ u32 quirks;
+
+ /*
+ * Array of clock names that can be used to generate I2S signals.
+ * Also corresponds to clocks of I2SMOD[10]
+ */
+ const char **src_clk;
+ dma_addr_t idma_addr;
+};
+
+/**
+ * struct s3c_audio_pdata - common platform data for audio device drivers
+ * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode
+ */
+struct s3c_audio_pdata {
+ int (*cfg_gpio)(struct platform_device *);
+ union {
+ struct samsung_i2s i2s;
+ } type;
+};