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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/arm/mach-davinci/include/mach/asp.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/arm/mach-davinci/include/mach/asp.h')
-rw-r--r--arch/arm/mach-davinci/include/mach/asp.h137
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diff --git a/arch/arm/mach-davinci/include/mach/asp.h b/arch/arm/mach-davinci/include/mach/asp.h
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+/*
+ * <mach/asp.h> - DaVinci Audio Serial Port support
+ */
+#ifndef __ASM_ARCH_DAVINCI_ASP_H
+#define __ASM_ARCH_DAVINCI_ASP_H
+
+#include <mach/irqs.h>
+#include <mach/edma.h>
+
+/* Bases of dm644x and dm355 register banks */
+#define DAVINCI_ASP0_BASE 0x01E02000
+#define DAVINCI_ASP1_BASE 0x01E04000
+
+/* Bases of dm365 register banks */
+#define DAVINCI_DM365_ASP0_BASE 0x01D02000
+
+/* Bases of dm646x register banks */
+#define DAVINCI_DM646X_MCASP0_REG_BASE 0x01D01000
+#define DAVINCI_DM646X_MCASP1_REG_BASE 0x01D01800
+
+/* Bases of da850/da830 McASP0 register banks */
+#define DAVINCI_DA8XX_MCASP0_REG_BASE 0x01D00000
+
+/* Bases of da830 McASP1 register banks */
+#define DAVINCI_DA830_MCASP1_REG_BASE 0x01D04000
+
+/* EDMA channels of dm644x and dm355 */
+#define DAVINCI_DMA_ASP0_TX 2
+#define DAVINCI_DMA_ASP0_RX 3
+#define DAVINCI_DMA_ASP1_TX 8
+#define DAVINCI_DMA_ASP1_RX 9
+
+/* EDMA channels of dm646x */
+#define DAVINCI_DM646X_DMA_MCASP0_AXEVT0 6
+#define DAVINCI_DM646X_DMA_MCASP0_AREVT0 9
+#define DAVINCI_DM646X_DMA_MCASP1_AXEVT1 12
+
+/* EDMA channels of da850/da830 McASP0 */
+#define DAVINCI_DA8XX_DMA_MCASP0_AREVT 0
+#define DAVINCI_DA8XX_DMA_MCASP0_AXEVT 1
+
+/* EDMA channels of da830 McASP1 */
+#define DAVINCI_DA830_DMA_MCASP1_AREVT 2
+#define DAVINCI_DA830_DMA_MCASP1_AXEVT 3
+
+/* Interrupts */
+#define DAVINCI_ASP0_RX_INT IRQ_MBRINT
+#define DAVINCI_ASP0_TX_INT IRQ_MBXINT
+#define DAVINCI_ASP1_RX_INT IRQ_MBRINT
+#define DAVINCI_ASP1_TX_INT IRQ_MBXINT
+
+struct snd_platform_data {
+ u32 tx_dma_offset;
+ u32 rx_dma_offset;
+ enum dma_event_q asp_chan_q; /* event queue number for ASP channel */
+ enum dma_event_q ram_chan_q; /* event queue number for RAM channel */
+ unsigned int codec_fmt;
+ /*
+ * Allowing this is more efficient and eliminates left and right swaps
+ * caused by underruns, but will swap the left and right channels
+ * when compared to previous behavior.
+ */
+ unsigned enable_channel_combine:1;
+ unsigned sram_size_playback;
+ unsigned sram_size_capture;
+
+ /*
+ * If McBSP peripheral gets the clock from an external pin,
+ * there are three chooses, that are MCBSP_CLKX, MCBSP_CLKR
+ * and MCBSP_CLKS.
+ * Depending on different hardware connections it is possible
+ * to use this setting to change the behaviour of McBSP
+ * driver. The dm365_clk_input_pin enum is available for dm365
+ */
+ int clk_input_pin;
+
+ /*
+ * This flag works when both clock and FS are outputs for the cpu
+ * and makes clock more accurate (FS is not symmetrical and the
+ * clock is very fast.
+ * The clock becoming faster is named
+ * i2s continuous serial clock (I2S_SCK) and it is an externally
+ * visible bit clock.
+ *
+ * first line : WordSelect
+ * second line : ContinuousSerialClock
+ * third line: SerialData
+ *
+ * SYMMETRICAL APPROACH:
+ * _______________________ LEFT
+ * _| RIGHT |______________________|
+ * _ _ _ _ _ _ _ _
+ * _| |_| |_ x16 _| |_| |_| |_| |_ x16 _| |_| |_
+ * _ _ _ _ _ _ _ _
+ * _/ \_/ \_ ... _/ \_/ \_/ \_/ \_ ... _/ \_/ \_
+ * \_/ \_/ \_/ \_/ \_/ \_/ \_/ \_/
+ *
+ * ACCURATE CLOCK APPROACH:
+ * ______________ LEFT
+ * _| RIGHT |_______________________________|
+ * _ _ _ _ _ _ _ _ _
+ * _| |_ x16 _| |_| |_ x16 _| |_| |_| |_| |_| |_| |
+ * _ _ _ _ dummy cycles
+ * _/ \_ ... _/ \_/ \_ ... _/ \__________________
+ * \_/ \_/ \_/ \_/
+ *
+ */
+ bool i2s_accurate_sck;
+
+ /* McASP specific fields */
+ int tdm_slots;
+ u8 op_mode;
+ u8 num_serializer;
+ u8 *serial_dir;
+ u8 version;
+ u8 txnumevt;
+ u8 rxnumevt;
+};
+
+enum {
+ MCASP_VERSION_1 = 0, /* DM646x */
+ MCASP_VERSION_2, /* DA8xx/OMAPL1x */
+};
+
+enum dm365_clk_input_pin {
+ MCBSP_CLKR = 0, /* DM365 */
+ MCBSP_CLKS,
+};
+
+#define INACTIVE_MODE 0
+#define TX_MODE 1
+#define RX_MODE 2
+
+#define DAVINCI_MCASP_IIS_MODE 0
+#define DAVINCI_MCASP_DIT_MODE 1
+
+#endif /* __ASM_ARCH_DAVINCI_ASP_H */