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Diffstat (limited to 'sound/soc/at32/at32-pcm.h')
-rw-r--r--sound/soc/at32/at32-pcm.h79
1 files changed, 0 insertions, 79 deletions
diff --git a/sound/soc/at32/at32-pcm.h b/sound/soc/at32/at32-pcm.h
deleted file mode 100644
index 2a52430417da..000000000000
--- a/sound/soc/at32/at32-pcm.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/* sound/soc/at32/at32-pcm.h
- * ASoC PCM interface for Atmel AT32 SoC
- *
- * Copyright (C) 2008 Long Range Systems
- * Geoffrey Wossum <gwossum@acm.org>
- *
- * 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.
- */
-
-#ifndef __SOUND_SOC_AT32_AT32_PCM_H
-#define __SOUND_SOC_AT32_AT32_PCM_H __FILE__
-
-#include <linux/atmel-ssc.h>
-
-
-/*
- * Registers and status bits that are required by the PCM driver
- * TODO: Is ptcr really used?
- */
-struct at32_pdc_regs {
- u32 xpr; /* PDC RX/TX pointer */
- u32 xcr; /* PDC RX/TX counter */
- u32 xnpr; /* PDC next RX/TX pointer */
- u32 xncr; /* PDC next RX/TX counter */
- u32 ptcr; /* PDC transfer control */
-};
-
-
-
-/*
- * SSC mask info
- */
-struct at32_ssc_mask {
- u32 ssc_enable; /* SSC RX/TX enable */
- u32 ssc_disable; /* SSC RX/TX disable */
- u32 ssc_endx; /* SSC ENDTX or ENDRX */
- u32 ssc_endbuf; /* SSC TXBUFF or RXBUFF */
- u32 pdc_enable; /* PDC RX/TX enable */
- u32 pdc_disable; /* PDC RX/TX disable */
-};
-
-
-
-/*
- * This structure, shared between the PCM driver and the interface,
- * contains all information required by the PCM driver to perform the
- * PDC DMA operation. All fields except dma_intr_handler() are initialized
- * by the interface. The dms_intr_handler() pointer is set by the PCM
- * driver and called by the interface SSC interrupt handler if it is
- * non-NULL.
- */
-struct at32_pcm_dma_params {
- char *name; /* stream identifier */
- int pdc_xfer_size; /* PDC counter increment in bytes */
- struct ssc_device *ssc; /* SSC device for stream */
- struct at32_pdc_regs *pdc; /* PDC register info */
- struct at32_ssc_mask *mask; /* SSC mask info */
- struct snd_pcm_substream *substream;
- void (*dma_intr_handler) (u32, struct snd_pcm_substream *);
-};
-
-
-
-/*
- * The AT32 ASoC platform driver
- */
-extern struct snd_soc_platform at32_soc_platform;
-
-
-
-/*
- * SSC register access (since ssc_writel() / ssc_readl() require literal name)
- */
-#define ssc_readx(base, reg) (__raw_readl((base) + (reg)))
-#define ssc_writex(base, reg, value) __raw_writel((value), (base) + (reg))
-
-#endif /* __SOUND_SOC_AT32_AT32_PCM_H */