1 files changed, 293 insertions, 0 deletions

diff --git a/sound/soc/sirf/sirf-usp.h b/sound/soc/sirf/sirf-usp.h
new file mode 100644
index 000000000000..bf0201cb15bc
--- /dev/null
+++ b/sound/soc/sirf/sirf-usp.h
@@ -0,0 +1,293 @@
+/*
+ * arch/arm/mach-prima2/include/mach/sirfsoc_usp.h
+ *
+ * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#ifndef _SIRF_USP_H
+#define _SIRF_USP_H
+
+/* USP Registers */
+#define USP_MODE1               0x00
+#define USP_MODE2               0x04
+#define USP_TX_FRAME_CTRL       0x08
+#define USP_RX_FRAME_CTRL       0x0C
+#define USP_TX_RX_ENABLE        0x10
+#define USP_INT_ENABLE          0x14
+#define USP_INT_STATUS          0x18
+#define USP_PIN_IO_DATA         0x1C
+#define USP_RISC_DSP_MODE       0x20
+#define USP_AYSNC_PARAM_REG     0x24
+#define USP_IRDA_X_MODE_DIV     0x28
+#define USP_SM_CFG              0x2C
+#define USP_TX_DMA_IO_CTRL      0x100
+#define USP_TX_DMA_IO_LEN       0x104
+#define USP_TX_FIFO_CTRL        0x108
+#define USP_TX_FIFO_LEVEL_CHK   0x10C
+#define USP_TX_FIFO_OP          0x110
+#define USP_TX_FIFO_STATUS      0x114
+#define USP_TX_FIFO_DATA        0x118
+#define USP_RX_DMA_IO_CTRL      0x120
+#define USP_RX_DMA_IO_LEN       0x124
+#define USP_RX_FIFO_CTRL        0x128
+#define USP_RX_FIFO_LEVEL_CHK   0x12C
+#define USP_RX_FIFO_OP          0x130
+#define USP_RX_FIFO_STATUS      0x134
+#define USP_RX_FIFO_DATA        0x138
+
+/* USP MODE register-1 */
+#define USP_SYNC_MODE                   0x00000001
+#define USP_CLOCK_MODE_SLAVE            0x00000002
+#define USP_LOOP_BACK_EN                0x00000004
+#define USP_HPSIR_EN                    0x00000008
+#define USP_ENDIAN_CTRL_LSBF            0x00000010
+#define USP_EN                          0x00000020
+#define USP_RXD_ACT_EDGE_FALLING        0x00000040
+#define USP_TXD_ACT_EDGE_FALLING        0x00000080
+#define USP_RFS_ACT_LEVEL_LOGIC1        0x00000100
+#define USP_TFS_ACT_LEVEL_LOGIC1        0x00000200
+#define USP_SCLK_IDLE_MODE_TOGGLE       0x00000400
+#define USP_SCLK_IDLE_LEVEL_LOGIC1      0x00000800
+#define USP_SCLK_PIN_MODE_IO    0x00001000
+#define USP_RFS_PIN_MODE_IO     0x00002000
+#define USP_TFS_PIN_MODE_IO     0x00004000
+#define USP_RXD_PIN_MODE_IO     0x00008000
+#define USP_TXD_PIN_MODE_IO     0x00010000
+#define USP_SCLK_IO_MODE_INPUT  0x00020000
+#define USP_RFS_IO_MODE_INPUT   0x00040000
+#define USP_TFS_IO_MODE_INPUT   0x00080000
+#define USP_RXD_IO_MODE_INPUT   0x00100000
+#define USP_TXD_IO_MODE_INPUT   0x00200000
+#define USP_IRDA_WIDTH_DIV_MASK 0x3FC00000
+#define USP_IRDA_WIDTH_DIV_OFFSET       0
+#define USP_IRDA_IDLE_LEVEL_HIGH        0x40000000
+#define USP_TX_UFLOW_REPEAT_ZERO        0x80000000
+#define USP_TX_ENDIAN_MODE              0x00000020
+#define USP_RX_ENDIAN_MODE              0x00000020
+
+/* USP Mode Register-2 */
+#define USP_RXD_DELAY_LEN_MASK          0x000000FF
+#define USP_RXD_DELAY_LEN_OFFSET        0
+
+#define USP_TXD_DELAY_LEN_MASK          0x0000FF00
+#define USP_TXD_DELAY_LEN_OFFSET        8
+
+#define USP_ENA_CTRL_MODE               0x00010000
+#define USP_FRAME_CTRL_MODE             0x00020000
+#define USP_TFS_SOURCE_MODE             0x00040000
+#define USP_TFS_MS_MODE                 0x00080000
+#define USP_CLK_DIVISOR_MASK            0x7FE00000
+#define USP_CLK_DIVISOR_OFFSET          21
+
+#define USP_TFS_CLK_SLAVE_MODE          (1<<20)
+#define USP_RFS_CLK_SLAVE_MODE          (1<<19)
+
+#define USP_IRDA_DATA_WIDTH             0x80000000
+
+/* USP Transmit Frame Control Register */
+
+#define USP_TXC_DATA_LEN_MASK           0x000000FF
+#define USP_TXC_DATA_LEN_OFFSET         0
+
+#define USP_TXC_SYNC_LEN_MASK           0x0000FF00
+#define USP_TXC_SYNC_LEN_OFFSET         8
+
+#define USP_TXC_FRAME_LEN_MASK          0x00FF0000
+#define USP_TXC_FRAME_LEN_OFFSET        16
+
+#define USP_TXC_SHIFTER_LEN_MASK        0x1F000000
+#define USP_TXC_SHIFTER_LEN_OFFSET      24
+
+#define USP_TXC_SLAVE_CLK_SAMPLE        0x20000000
+
+#define USP_TXC_CLK_DIVISOR_MASK        0xC0000000
+#define USP_TXC_CLK_DIVISOR_OFFSET      30
+
+/* USP Receive Frame Control Register */
+
+#define USP_RXC_DATA_LEN_MASK           0x000000FF
+#define USP_RXC_DATA_LEN_OFFSET         0
+
+#define USP_RXC_FRAME_LEN_MASK          0x0000FF00
+#define USP_RXC_FRAME_LEN_OFFSET        8
+
+#define USP_RXC_SHIFTER_LEN_MASK        0x001F0000
+#define USP_RXC_SHIFTER_LEN_OFFSET      16
+
+#define USP_START_EDGE_MODE     0x00800000
+#define USP_I2S_SYNC_CHG        0x00200000
+
+#define USP_RXC_CLK_DIVISOR_MASK        0x0F000000
+#define USP_RXC_CLK_DIVISOR_OFFSET      24
+#define USP_SINGLE_SYNC_MODE            0x00400000
+
+/* Tx - RX Enable Register */
+
+#define USP_RX_ENA              0x00000001
+#define USP_TX_ENA              0x00000002
+
+/* USP Interrupt Enable and status Register */
+#define USP_RX_DONE_INT                 0x00000001
+#define USP_TX_DONE_INT                 0x00000002
+#define USP_RX_OFLOW_INT                0x00000004
+#define USP_TX_UFLOW_INT                0x00000008
+#define USP_RX_IO_DMA_INT               0x00000010
+#define USP_TX_IO_DMA_INT               0x00000020
+#define USP_RXFIFO_FULL_INT             0x00000040
+#define USP_TXFIFO_EMPTY_INT            0x00000080
+#define USP_RXFIFO_THD_INT              0x00000100
+#define USP_TXFIFO_THD_INT              0x00000200
+#define USP_UART_FRM_ERR_INT            0x00000400
+#define USP_RX_TIMEOUT_INT              0x00000800
+#define USP_TX_ALLOUT_INT               0x00001000
+#define USP_RXD_BREAK_INT               0x00008000
+
+/* All possible TX interruots */
+#define USP_TX_INTERRUPT                (USP_TX_DONE_INT|USP_TX_UFLOW_INT|\
+                                        USP_TX_IO_DMA_INT|\
+                                        USP_TXFIFO_EMPTY_INT|\
+                                        USP_TXFIFO_THD_INT)
+/* All possible RX interruots */
+#define USP_RX_INTERRUPT                (USP_RX_DONE_INT|USP_RX_OFLOW_INT|\
+                                        USP_RX_IO_DMA_INT|\
+                                        USP_RXFIFO_FULL_INT|\
+                                        USP_RXFIFO_THD_INT|\
+                                        USP_RXFIFO_THD_INT|USP_RX_TIMEOUT_INT)
+
+#define USP_INT_ALL        0x1FFF
+
+/* USP Pin I/O Data Register */
+
+#define USP_RFS_PIN_VALUE_MASK  0x00000001
+#define USP_TFS_PIN_VALUE_MASK  0x00000002
+#define USP_RXD_PIN_VALUE_MASK  0x00000004
+#define USP_TXD_PIN_VALUE_MASK  0x00000008
+#define USP_SCLK_PIN_VALUE_MASK 0x00000010
+
+/* USP RISC/DSP Mode Register */
+#define USP_RISC_DSP_SEL        0x00000001
+
+/* USP ASYNC PARAMETER Register*/
+
+#define USP_ASYNC_TIMEOUT_MASK  0x0000FFFF
+#define USP_ASYNC_TIMEOUT_OFFSET        0
+#define USP_ASYNC_TIMEOUT(x)    (((x)&USP_ASYNC_TIMEOUT_MASK) \
+                                <<USP_ASYNC_TIMEOUT_OFFSET)
+
+#define USP_ASYNC_DIV2_MASK             0x003F0000
+#define USP_ASYNC_DIV2_OFFSET           16
+
+/* USP TX DMA I/O MODE Register */
+#define USP_TX_MODE_IO                  0x00000001
+
+/* USP TX DMA I/O Length Register */
+#define USP_TX_DATA_LEN_MASK            0xFFFFFFFF
+#define USP_TX_DATA_LEN_OFFSET          0
+
+/* USP TX FIFO Control Register */
+#define USP_TX_FIFO_WIDTH_MASK          0x00000003
+#define USP_TX_FIFO_WIDTH_OFFSET        0
+
+#define USP_TX_FIFO_THD_MASK            0x000001FC
+#define USP_TX_FIFO_THD_OFFSET          2
+
+/* USP TX FIFO Level Check Register */
+#define USP_TX_FIFO_LEVEL_CHECK_MASK    0x1F
+#define USP_TX_FIFO_SC_OFFSET   0
+#define USP_TX_FIFO_LC_OFFSET   10
+#define USP_TX_FIFO_HC_OFFSET   20
+
+#define TX_FIFO_SC(x)           (((x) & USP_TX_FIFO_LEVEL_CHECK_MASK) \
+                                << USP_TX_FIFO_SC_OFFSET)
+#define TX_FIFO_LC(x)           (((x) & USP_TX_FIFO_LEVEL_CHECK_MASK) \
+                                << USP_TX_FIFO_LC_OFFSET)
+#define TX_FIFO_HC(x)           (((x) & USP_TX_FIFO_LEVEL_CHECK_MASK) \
+                                << USP_TX_FIFO_HC_OFFSET)
+
+/* USP TX FIFO Operation Register */
+#define USP_TX_FIFO_RESET               0x00000001
+#define USP_TX_FIFO_START               0x00000002
+
+/* USP TX FIFO Status Register */
+#define USP_TX_FIFO_LEVEL_MASK          0x0000007F
+#define USP_TX_FIFO_LEVEL_OFFSET        0
+
+#define USP_TX_FIFO_FULL                0x00000080
+#define USP_TX_FIFO_EMPTY               0x00000100
+
+/* USP TX FIFO Data Register */
+#define USP_TX_FIFO_DATA_MASK           0xFFFFFFFF
+#define USP_TX_FIFO_DATA_OFFSET         0
+
+/* USP RX DMA I/O MODE Register */
+#define USP_RX_MODE_IO                  0x00000001
+#define USP_RX_DMA_FLUSH                0x00000004
+
+/* USP RX DMA I/O Length Register */
+#define USP_RX_DATA_LEN_MASK            0xFFFFFFFF
+#define USP_RX_DATA_LEN_OFFSET          0
+
+/* USP RX FIFO Control Register */
+#define USP_RX_FIFO_WIDTH_MASK          0x00000003
+#define USP_RX_FIFO_WIDTH_OFFSET        0
+
+#define USP_RX_FIFO_THD_MASK            0x000001FC
+#define USP_RX_FIFO_THD_OFFSET          2
+
+/* USP RX FIFO Level Check Register */
+
+#define USP_RX_FIFO_LEVEL_CHECK_MASK    0x1F
+#define USP_RX_FIFO_SC_OFFSET   0
+#define USP_RX_FIFO_LC_OFFSET   10
+#define USP_RX_FIFO_HC_OFFSET   20
+
+#define RX_FIFO_SC(x)           (((x) & USP_RX_FIFO_LEVEL_CHECK_MASK) \
+                                << USP_RX_FIFO_SC_OFFSET)
+#define RX_FIFO_LC(x)           (((x) & USP_RX_FIFO_LEVEL_CHECK_MASK) \
+                                << USP_RX_FIFO_LC_OFFSET)
+#define RX_FIFO_HC(x)           (((x) & USP_RX_FIFO_LEVEL_CHECK_MASK) \
+                                << USP_RX_FIFO_HC_OFFSET)
+
+/* USP RX FIFO Operation Register */
+#define USP_RX_FIFO_RESET               0x00000001
+#define USP_RX_FIFO_START               0x00000002
+
+/* USP RX FIFO Status Register */
+
+#define USP_RX_FIFO_LEVEL_MASK          0x0000007F
+#define USP_RX_FIFO_LEVEL_OFFSET        0
+
+#define USP_RX_FIFO_FULL                0x00000080
+#define USP_RX_FIFO_EMPTY               0x00000100
+
+/* USP RX FIFO Data Register */
+
+#define USP_RX_FIFO_DATA_MASK           0xFFFFFFFF
+#define USP_RX_FIFO_DATA_OFFSET         0
+
+/*
+ * When rx thd irq occur, sender just disable tx empty irq,
+ * Remaining data in tx fifo wil also be sent out.
+ */
+#define USP_FIFO_SIZE                   128
+#define USP_TX_FIFO_THRESHOLD           (USP_FIFO_SIZE/2)
+#define USP_RX_FIFO_THRESHOLD           (USP_FIFO_SIZE/2)
+
+/* FIFO_WIDTH for the USP_TX_FIFO_CTRL and USP_RX_FIFO_CTRL registers */
+#define USP_FIFO_WIDTH_BYTE  0x00
+#define USP_FIFO_WIDTH_WORD  0x01
+#define USP_FIFO_WIDTH_DWORD 0x02
+
+#define USP_ASYNC_DIV2          16
+
+#define USP_PLUGOUT_RETRY_CNT   2
+
+#define USP_TX_RX_FIFO_WIDTH_DWORD    2
+
+#define SIRF_USP_DIV_MCLK       0
+
+#define SIRF_USP_I2S_TFS_SYNC   0
+#define SIRF_USP_I2S_RFS_SYNC   1
+#endif