summaryrefslogtreecommitdiffstats
path: root/include/asm-cris/sync_serial.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-cris/sync_serial.h')
-rw-r--r--include/asm-cris/sync_serial.h106
1 files changed, 106 insertions, 0 deletions
diff --git a/include/asm-cris/sync_serial.h b/include/asm-cris/sync_serial.h
new file mode 100644
index 0000000..f930b6e
--- /dev/null
+++ b/include/asm-cris/sync_serial.h
@@ -0,0 +1,106 @@
+/*
+ * ioctl defines for synchronous serial port driver
+ *
+ * Copyright (c) 2001-2003 Axis Communications AB
+ *
+ * Author: Mikael Starvik
+ *
+ */
+
+#ifndef SYNC_SERIAL_H
+#define SYNC_SERIAL_H
+
+#include <linux/ioctl.h>
+
+#define SSP_SPEED _IOR('S', 0, unsigned int)
+#define SSP_MODE _IOR('S', 1, unsigned int)
+#define SSP_FRAME_SYNC _IOR('S', 2, unsigned int)
+#define SSP_IPOLARITY _IOR('S', 3, unsigned int)
+#define SSP_OPOLARITY _IOR('S', 4, unsigned int)
+#define SSP_SPI _IOR('S', 5, unsigned int)
+#define SSP_INBUFCHUNK _IOR('S', 6, unsigned int)
+
+/* Values for SSP_SPEED */
+#define SSP150 0
+#define SSP300 1
+#define SSP600 2
+#define SSP1200 3
+#define SSP2400 4
+#define SSP4800 5
+#define SSP9600 6
+#define SSP19200 7
+#define SSP28800 8
+#define SSP57600 9
+#define SSP115200 10
+#define SSP230400 11
+#define SSP460800 12
+#define SSP921600 13
+#define SSP3125000 14
+#define CODEC 15
+
+#define FREQ_4MHz 0
+#define FREQ_2MHz 1
+#define FREQ_1MHz 2
+#define FREQ_512kHz 3
+#define FREQ_256kHz 4
+#define FREQ_128kHz 5
+#define FREQ_64kHz 6
+#define FREQ_32kHz 7
+
+/* Used by application to set CODEC divider, word rate and frame rate */
+#define CODEC_VAL(freq, clk_per_sync, sync_per_frame) (CODEC | (freq << 8) | (clk_per_sync << 16) | (sync_per_frame << 28))
+
+/* Used by driver to extract speed */
+#define GET_SPEED(x) (x & 0xff)
+#define GET_FREQ(x) ((x & 0xff00) >> 8)
+#define GET_WORD_RATE(x) (((x & 0x0fff0000) >> 16) - 1)
+#define GET_FRAME_RATE(x) (((x & 0xf0000000) >> 28) - 1)
+
+/* Values for SSP_MODE */
+#define MASTER_OUTPUT 0
+#define SLAVE_OUTPUT 1
+#define MASTER_INPUT 2
+#define SLAVE_INPUT 3
+#define MASTER_BIDIR 4
+#define SLAVE_BIDIR 5
+
+/* Values for SSP_FRAME_SYNC */
+#define NORMAL_SYNC 1
+#define EARLY_SYNC 2
+
+#define BIT_SYNC 4
+#define WORD_SYNC 8
+#define EXTENDED_SYNC 0x10
+
+#define SYNC_OFF 0x20
+#define SYNC_ON 0x40
+#define WORD_SIZE_8 0x80
+#define WORD_SIZE_12 0x100
+#define WORD_SIZE_16 0x200
+#define WORD_SIZE_24 0x400
+#define WORD_SIZE_32 0x800
+#define BIT_ORDER_LSB 0x1000
+#define BIT_ORDER_MSB 0x2000
+#define FLOW_CONTROL_ENABLE 0x4000
+#define FLOW_CONTROL_DISABLE 0x8000
+#define CLOCK_GATED 0x10000
+#define CLOCK_NOT_GATED 0x20000
+
+/* Values for SSP_IPOLARITY and SSP_OPOLARITY */
+#define CLOCK_NORMAL 1
+#define CLOCK_INVERT 2
+#define CLOCK_INEGEDGE CLOCK_NORMAL
+#define CLOCK_IPOSEDGE CLOCK_INVERT
+#define FRAME_NORMAL 4
+#define FRAME_INVERT 8
+#define STATUS_NORMAL 0x10
+#define STATUS_INVERT 0x20
+
+/* Values for SSP_SPI */
+#define SPI_MASTER 0
+#define SPI_SLAVE 1
+
+/* Values for SSP_INBUFCHUNK */
+/* plain integer with the size of DMA chunks */
+
+#endif
OpenPOWER on IntegriCloud