#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/clk.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/bitops.h>
#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/of_gpio.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_bitbang.h>
#include <linux/pinctrl/consumer.h>

Data Structures
struct	sirfsoc_spi

Macros
#define	DRIVER_NAME "sirfsoc_spi"

#define	SIRFSOC_SPI_CTRL 0x0000

#define	SIRFSOC_SPI_CMD 0x0004

#define	SIRFSOC_SPI_TX_RX_EN 0x0008

#define	SIRFSOC_SPI_INT_EN 0x000C

#define	SIRFSOC_SPI_INT_STATUS 0x0010

#define	SIRFSOC_SPI_TX_DMA_IO_CTRL 0x0100

#define	SIRFSOC_SPI_TX_DMA_IO_LEN 0x0104

#define	SIRFSOC_SPI_TXFIFO_CTRL 0x0108

#define	SIRFSOC_SPI_TXFIFO_LEVEL_CHK 0x010C

#define	SIRFSOC_SPI_TXFIFO_OP 0x0110

#define	SIRFSOC_SPI_TXFIFO_STATUS 0x0114

#define	SIRFSOC_SPI_TXFIFO_DATA 0x0118

#define	SIRFSOC_SPI_RX_DMA_IO_CTRL 0x0120

#define	SIRFSOC_SPI_RX_DMA_IO_LEN 0x0124

#define	SIRFSOC_SPI_RXFIFO_CTRL 0x0128

#define	SIRFSOC_SPI_RXFIFO_LEVEL_CHK 0x012C

#define	SIRFSOC_SPI_RXFIFO_OP 0x0130

#define	SIRFSOC_SPI_RXFIFO_STATUS 0x0134

#define	SIRFSOC_SPI_RXFIFO_DATA 0x0138

#define	SIRFSOC_SPI_DUMMY_DELAY_CTL 0x0144

#define	SIRFSOC_SPI_SLV_MODE BIT(16)

#define	SIRFSOC_SPI_CMD_MODE BIT(17)

#define	SIRFSOC_SPI_CS_IO_OUT BIT(18)

#define	SIRFSOC_SPI_CS_IO_MODE BIT(19)

#define	SIRFSOC_SPI_CLK_IDLE_STAT BIT(20)

#define	SIRFSOC_SPI_CS_IDLE_STAT BIT(21)

#define	SIRFSOC_SPI_TRAN_MSB BIT(22)

#define	SIRFSOC_SPI_DRV_POS_EDGE BIT(23)

#define	SIRFSOC_SPI_CS_HOLD_TIME BIT(24)

#define	SIRFSOC_SPI_CLK_SAMPLE_MODE BIT(25)

#define	SIRFSOC_SPI_TRAN_DAT_FORMAT_8 (0 << 26)

#define	SIRFSOC_SPI_TRAN_DAT_FORMAT_12 (1 << 26)

#define	SIRFSOC_SPI_TRAN_DAT_FORMAT_16 (2 << 26)

#define	SIRFSOC_SPI_TRAN_DAT_FORMAT_32 (3 << 26)

#define	SIRFSOC_SPI_CMD_BYTE_NUM(x) ((x & 3) << 28)

#define	SIRFSOC_SPI_ENA_AUTO_CLR BIT(30)

#define	SIRFSOC_SPI_MUL_DAT_MODE BIT(31)

#define	SIRFSOC_SPI_RX_DONE_INT_EN BIT(0)

#define	SIRFSOC_SPI_TX_DONE_INT_EN BIT(1)

#define	SIRFSOC_SPI_RX_OFLOW_INT_EN BIT(2)

#define	SIRFSOC_SPI_TX_UFLOW_INT_EN BIT(3)

#define	SIRFSOC_SPI_RX_IO_DMA_INT_EN BIT(4)

#define	SIRFSOC_SPI_TX_IO_DMA_INT_EN BIT(5)

#define	SIRFSOC_SPI_RXFIFO_FULL_INT_EN BIT(6)

#define	SIRFSOC_SPI_TXFIFO_EMPTY_INT_EN BIT(7)

#define	SIRFSOC_SPI_RXFIFO_THD_INT_EN BIT(8)

#define	SIRFSOC_SPI_TXFIFO_THD_INT_EN BIT(9)

#define	SIRFSOC_SPI_FRM_END_INT_EN BIT(10)

#define	SIRFSOC_SPI_INT_MASK_ALL 0x1FFF

#define	SIRFSOC_SPI_RX_DONE BIT(0)

#define	SIRFSOC_SPI_TX_DONE BIT(1)

#define	SIRFSOC_SPI_RX_OFLOW BIT(2)

#define	SIRFSOC_SPI_TX_UFLOW BIT(3)

#define	SIRFSOC_SPI_RX_FIFO_FULL BIT(6)

#define	SIRFSOC_SPI_TXFIFO_EMPTY BIT(7)

#define	SIRFSOC_SPI_RXFIFO_THD_REACH BIT(8)

#define	SIRFSOC_SPI_TXFIFO_THD_REACH BIT(9)

#define	SIRFSOC_SPI_FRM_END BIT(10)

#define	SIRFSOC_SPI_RX_EN BIT(0)

#define	SIRFSOC_SPI_TX_EN BIT(1)

#define	SIRFSOC_SPI_CMD_TX_EN BIT(2)

#define	SIRFSOC_SPI_IO_MODE_SEL BIT(0)

#define	SIRFSOC_SPI_RX_DMA_FLUSH BIT(2)

#define	SIRFSOC_SPI_FIFO_RESET BIT(0)

#define	SIRFSOC_SPI_FIFO_START BIT(1)

#define	SIRFSOC_SPI_FIFO_WIDTH_BYTE (0 << 0)

#define	SIRFSOC_SPI_FIFO_WIDTH_WORD (1 << 0)

#define	SIRFSOC_SPI_FIFO_WIDTH_DWORD (2 << 0)

#define	SIRFSOC_SPI_FIFO_LEVEL_MASK 0xFF

#define	SIRFSOC_SPI_FIFO_FULL BIT(8)

#define	SIRFSOC_SPI_FIFO_EMPTY BIT(9)

#define	SIRFSOC_SPI_FIFO_SIZE 256

#define	SIRFSOC_SPI_DAT_FRM_LEN_MAX (64 * 1024)

#define	SIRFSOC_SPI_FIFO_SC(x) ((x) & 0x3F)

#define	SIRFSOC_SPI_FIFO_LC(x) (((x) & 0x3F) << 10)

#define	SIRFSOC_SPI_FIFO_HC(x) (((x) & 0x3F) << 20)

#define	SIRFSOC_SPI_FIFO_THD(x) (((x) & 0xFF) << 2)

Functions
	MODULE_DEVICE_TABLE (of, sirfsoc_spi_of_match)

	module_platform_driver (spi_sirfsoc_driver)

	MODULE_DESCRIPTION ("SiRF SoC SPI master driver")

	MODULE_AUTHOR ("Zhiwu Song <[email protected]>, ""Barry Song <[email protected]>")

	MODULE_LICENSE ("GPL v2")

Macro Definition Documentation

#define DRIVER_NAME "sirfsoc_spi"

Definition at line 24 of file spi-sirf.c.

#define SIRFSOC_SPI_CLK_IDLE_STAT BIT(20)

Definition at line 52 of file spi-sirf.c.

#define SIRFSOC_SPI_CLK_SAMPLE_MODE BIT(25)

Definition at line 57 of file spi-sirf.c.

#define SIRFSOC_SPI_CMD 0x0004

Definition at line 27 of file spi-sirf.c.

#define SIRFSOC_SPI_CMD_BYTE_NUM ( x ) ((x & 3) << 28)

Definition at line 62 of file spi-sirf.c.

#define SIRFSOC_SPI_CMD_MODE BIT(17)

Definition at line 49 of file spi-sirf.c.

#define SIRFSOC_SPI_CMD_TX_EN BIT(2)

Definition at line 95 of file spi-sirf.c.

#define SIRFSOC_SPI_CS_HOLD_TIME BIT(24)

Definition at line 56 of file spi-sirf.c.

#define SIRFSOC_SPI_CS_IDLE_STAT BIT(21)

Definition at line 53 of file spi-sirf.c.

#define SIRFSOC_SPI_CS_IO_MODE BIT(19)

Definition at line 51 of file spi-sirf.c.

#define SIRFSOC_SPI_CS_IO_OUT BIT(18)

Definition at line 50 of file spi-sirf.c.

#define SIRFSOC_SPI_CTRL 0x0000

Definition at line 26 of file spi-sirf.c.

#define SIRFSOC_SPI_DAT_FRM_LEN_MAX (64 * 1024)

Definition at line 116 of file spi-sirf.c.

#define SIRFSOC_SPI_DRV_POS_EDGE BIT(23)

Definition at line 55 of file spi-sirf.c.

#define SIRFSOC_SPI_DUMMY_DELAY_CTL 0x0144

Definition at line 45 of file spi-sirf.c.

#define SIRFSOC_SPI_ENA_AUTO_CLR BIT(30)

Definition at line 63 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_EMPTY BIT(9)

Definition at line 112 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_FULL BIT(8)

Definition at line 111 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_HC ( x ) (((x) & 0x3F) << 20)

Definition at line 120 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_LC ( x ) (((x) & 0x3F) << 10)

Definition at line 119 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_LEVEL_MASK 0xFF

Definition at line 110 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_RESET BIT(0)

Definition at line 101 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_SC ( x ) ((x) & 0x3F)

Definition at line 118 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_SIZE 256

Definition at line 115 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_START BIT(1)

Definition at line 102 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_THD ( x ) (((x) & 0xFF) << 2)

Definition at line 121 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_WIDTH_BYTE (0 << 0)

Definition at line 105 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_WIDTH_DWORD (2 << 0)

Definition at line 107 of file spi-sirf.c.

#define SIRFSOC_SPI_FIFO_WIDTH_WORD (1 << 0)

Definition at line 106 of file spi-sirf.c.

#define SIRFSOC_SPI_FRM_END BIT(10)

Definition at line 90 of file spi-sirf.c.

#define SIRFSOC_SPI_FRM_END_INT_EN BIT(10)

Definition at line 77 of file spi-sirf.c.

#define SIRFSOC_SPI_INT_EN 0x000C

Definition at line 29 of file spi-sirf.c.

#define SIRFSOC_SPI_INT_MASK_ALL 0x1FFF

Definition at line 79 of file spi-sirf.c.

#define SIRFSOC_SPI_INT_STATUS 0x0010

Definition at line 30 of file spi-sirf.c.

#define SIRFSOC_SPI_IO_MODE_SEL BIT(0)

Definition at line 97 of file spi-sirf.c.

#define SIRFSOC_SPI_MUL_DAT_MODE BIT(31)

Definition at line 64 of file spi-sirf.c.

#define SIRFSOC_SPI_RX_DMA_FLUSH BIT(2)

Definition at line 98 of file spi-sirf.c.

#define SIRFSOC_SPI_RX_DMA_IO_CTRL 0x0120

Definition at line 38 of file spi-sirf.c.

#define SIRFSOC_SPI_RX_DMA_IO_LEN 0x0124

Definition at line 39 of file spi-sirf.c.

#define SIRFSOC_SPI_RX_DONE BIT(0)

Definition at line 82 of file spi-sirf.c.

#define SIRFSOC_SPI_RX_DONE_INT_EN BIT(0)

Definition at line 67 of file spi-sirf.c.

#define SIRFSOC_SPI_RX_EN BIT(0)

Definition at line 93 of file spi-sirf.c.

#define SIRFSOC_SPI_RX_FIFO_FULL BIT(6)

Definition at line 86 of file spi-sirf.c.

#define SIRFSOC_SPI_RX_IO_DMA_INT_EN BIT(4)

Definition at line 71 of file spi-sirf.c.

#define SIRFSOC_SPI_RX_OFLOW BIT(2)

Definition at line 84 of file spi-sirf.c.

#define SIRFSOC_SPI_RX_OFLOW_INT_EN BIT(2)

Definition at line 69 of file spi-sirf.c.

#define SIRFSOC_SPI_RXFIFO_CTRL 0x0128

Definition at line 40 of file spi-sirf.c.

#define SIRFSOC_SPI_RXFIFO_DATA 0x0138

Definition at line 44 of file spi-sirf.c.

#define SIRFSOC_SPI_RXFIFO_FULL_INT_EN BIT(6)

Definition at line 73 of file spi-sirf.c.

#define SIRFSOC_SPI_RXFIFO_LEVEL_CHK 0x012C

Definition at line 41 of file spi-sirf.c.

#define SIRFSOC_SPI_RXFIFO_OP 0x0130

Definition at line 42 of file spi-sirf.c.

#define SIRFSOC_SPI_RXFIFO_STATUS 0x0134

Definition at line 43 of file spi-sirf.c.

#define SIRFSOC_SPI_RXFIFO_THD_INT_EN BIT(8)

Definition at line 75 of file spi-sirf.c.

#define SIRFSOC_SPI_RXFIFO_THD_REACH BIT(8)

Definition at line 88 of file spi-sirf.c.

#define SIRFSOC_SPI_SLV_MODE BIT(16)

Definition at line 48 of file spi-sirf.c.

#define SIRFSOC_SPI_TRAN_DAT_FORMAT_12 (1 << 26)

Definition at line 59 of file spi-sirf.c.

#define SIRFSOC_SPI_TRAN_DAT_FORMAT_16 (2 << 26)

Definition at line 60 of file spi-sirf.c.

#define SIRFSOC_SPI_TRAN_DAT_FORMAT_32 (3 << 26)

Definition at line 61 of file spi-sirf.c.

#define SIRFSOC_SPI_TRAN_DAT_FORMAT_8 (0 << 26)

Definition at line 58 of file spi-sirf.c.

#define SIRFSOC_SPI_TRAN_MSB BIT(22)

Definition at line 54 of file spi-sirf.c.

#define SIRFSOC_SPI_TX_DMA_IO_CTRL 0x0100

Definition at line 31 of file spi-sirf.c.

#define SIRFSOC_SPI_TX_DMA_IO_LEN 0x0104

Definition at line 32 of file spi-sirf.c.

#define SIRFSOC_SPI_TX_DONE BIT(1)

Definition at line 83 of file spi-sirf.c.

#define SIRFSOC_SPI_TX_DONE_INT_EN BIT(1)

Definition at line 68 of file spi-sirf.c.

#define SIRFSOC_SPI_TX_EN BIT(1)

Definition at line 94 of file spi-sirf.c.

#define SIRFSOC_SPI_TX_IO_DMA_INT_EN BIT(5)

Definition at line 72 of file spi-sirf.c.

#define SIRFSOC_SPI_TX_RX_EN 0x0008

Definition at line 28 of file spi-sirf.c.

#define SIRFSOC_SPI_TX_UFLOW BIT(3)

Definition at line 85 of file spi-sirf.c.

#define SIRFSOC_SPI_TX_UFLOW_INT_EN BIT(3)

Definition at line 70 of file spi-sirf.c.

#define SIRFSOC_SPI_TXFIFO_CTRL 0x0108

Definition at line 33 of file spi-sirf.c.

#define SIRFSOC_SPI_TXFIFO_DATA 0x0118

Definition at line 37 of file spi-sirf.c.

#define SIRFSOC_SPI_TXFIFO_EMPTY BIT(7)

Definition at line 87 of file spi-sirf.c.

#define SIRFSOC_SPI_TXFIFO_EMPTY_INT_EN BIT(7)

Definition at line 74 of file spi-sirf.c.

#define SIRFSOC_SPI_TXFIFO_LEVEL_CHK 0x010C

Definition at line 34 of file spi-sirf.c.

#define SIRFSOC_SPI_TXFIFO_OP 0x0110

Definition at line 35 of file spi-sirf.c.

#define SIRFSOC_SPI_TXFIFO_STATUS 0x0114

Definition at line 36 of file spi-sirf.c.

#define SIRFSOC_SPI_TXFIFO_THD_INT_EN BIT(9)

Definition at line 76 of file spi-sirf.c.

#define SIRFSOC_SPI_TXFIFO_THD_REACH BIT(9)

Definition at line 89 of file spi-sirf.c.

Function Documentation

MODULE_AUTHOR	(	"Zhiwu Song <[email protected]>	,
		""Barry Song< Baohua.Song @csr.com >"
	)

MODULE_DESCRIPTION ( "SiRF SoC SPI master driver" )

MODULE_DEVICE_TABLE	(	of	,
		sirfsoc_spi_of_match
	)

MODULE_LICENSE ( "GPL v2" )

module_platform_driver ( spi_sirfsoc_driver )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation