#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/dmaengine.h>
#include <linux/dma-mapping.h>
#include <linux/edma.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_bitbang.h>
#include <linux/slab.h>
#include <linux/platform_data/spi-davinci.h>

Data Structures
struct	davinci_spi

Macros
#define	SPI_NO_RESOURCE ((resource_size_t)-1)

#define	SPI_MAX_CHIPSELECT 2

#define	CS_DEFAULT 0xFF

#define	SPIFMT_PHASE_MASK BIT(16)

#define	SPIFMT_POLARITY_MASK BIT(17)

#define	SPIFMT_DISTIMER_MASK BIT(18)

#define	SPIFMT_SHIFTDIR_MASK BIT(20)

#define	SPIFMT_WAITENA_MASK BIT(21)

#define	SPIFMT_PARITYENA_MASK BIT(22)

#define	SPIFMT_ODD_PARITY_MASK BIT(23)

#define	SPIFMT_WDELAY_MASK 0x3f000000u

#define	SPIFMT_WDELAY_SHIFT 24

#define	SPIFMT_PRESCALE_SHIFT 8

#define	SPIPC0_DIFUN_MASK BIT(11) /* MISO */

#define	SPIPC0_DOFUN_MASK BIT(10) /* MOSI */

#define	SPIPC0_CLKFUN_MASK BIT(9) /* CLK */

#define	SPIPC0_SPIENA_MASK BIT(8) /* nREADY */

#define	SPIINT_MASKALL 0x0101035F

#define	SPIINT_MASKINT 0x0000015F

#define	SPI_INTLVL_1 0x000001FF

#define	SPI_INTLVL_0 0x00000000

#define	SPIDAT1_CSHOLD_MASK BIT(12)

#define	SPIGCR1_CLKMOD_MASK BIT(1)

#define	SPIGCR1_MASTER_MASK BIT(0)

#define	SPIGCR1_POWERDOWN_MASK BIT(8)

#define	SPIGCR1_LOOPBACK_MASK BIT(16)

#define	SPIGCR1_SPIENA_MASK BIT(24)

#define	SPIBUF_TXFULL_MASK BIT(29)

#define	SPIBUF_RXEMPTY_MASK BIT(31)

#define	SPIDELAY_C2TDELAY_SHIFT 24

#define	SPIDELAY_C2TDELAY_MASK (0xFF << SPIDELAY_C2TDELAY_SHIFT)

#define	SPIDELAY_T2CDELAY_SHIFT 16

#define	SPIDELAY_T2CDELAY_MASK (0xFF << SPIDELAY_T2CDELAY_SHIFT)

#define	SPIDELAY_T2EDELAY_SHIFT 8

#define	SPIDELAY_T2EDELAY_MASK (0xFF << SPIDELAY_T2EDELAY_SHIFT)

#define	SPIDELAY_C2EDELAY_SHIFT 0

#define	SPIDELAY_C2EDELAY_MASK 0xFF

#define	SPIFLG_DLEN_ERR_MASK BIT(0)

#define	SPIFLG_TIMEOUT_MASK BIT(1)

#define	SPIFLG_PARERR_MASK BIT(2)

#define	SPIFLG_DESYNC_MASK BIT(3)

#define	SPIFLG_BITERR_MASK BIT(4)

#define	SPIFLG_OVRRUN_MASK BIT(6)

#define	SPIFLG_BUF_INIT_ACTIVE_MASK BIT(24)

#define	SPIFLG_ERROR_MASK

#define	SPIINT_DMA_REQ_EN BIT(16)

#define	SPIGCR0 0x00

#define	SPIGCR1 0x04

#define	SPIINT 0x08

#define	SPILVL 0x0c

#define	SPIFLG 0x10

#define	SPIPC0 0x14

#define	SPIDAT1 0x3c

#define	SPIBUF 0x40

#define	SPIDELAY 0x48

#define	SPIDEF 0x4c

#define	SPIFMT0 0x50

Functions
	module_platform_driver (davinci_spi_driver)

	MODULE_DESCRIPTION ("TI DaVinci SPI Master Controller Driver")

	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define CS_DEFAULT 0xFF

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

#define SPI_INTLVL_0 0x00000000

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

#define SPI_INTLVL_1 0x000001FF

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

#define SPI_MAX_CHIPSELECT 2

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

#define SPI_NO_RESOURCE ((resource_size_t)-1)

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

#define SPIBUF 0x40

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

#define SPIBUF_RXEMPTY_MASK BIT(31)

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

#define SPIBUF_TXFULL_MASK BIT(29)

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

#define SPIDAT1 0x3c

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

#define SPIDAT1_CSHOLD_MASK BIT(12)

Definition at line 66 of file spi-davinci.c.

#define SPIDEF 0x4c

Definition at line 114 of file spi-davinci.c.

#define SPIDELAY 0x48

Definition at line 113 of file spi-davinci.c.

#define SPIDELAY_C2EDELAY_MASK 0xFF

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

#define SPIDELAY_C2EDELAY_SHIFT 0

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

#define SPIDELAY_C2TDELAY_MASK (0xFF << SPIDELAY_C2TDELAY_SHIFT)

Definition at line 81 of file spi-davinci.c.

#define SPIDELAY_C2TDELAY_SHIFT 24

Definition at line 80 of file spi-davinci.c.

#define SPIDELAY_T2CDELAY_MASK (0xFF << SPIDELAY_T2CDELAY_SHIFT)

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

#define SPIDELAY_T2CDELAY_SHIFT 16

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

#define SPIDELAY_T2EDELAY_MASK (0xFF << SPIDELAY_T2EDELAY_SHIFT)

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

#define SPIDELAY_T2EDELAY_SHIFT 8

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

#define SPIFLG 0x10

Definition at line 109 of file spi-davinci.c.

#define SPIFLG_BITERR_MASK BIT(4)

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

#define SPIFLG_BUF_INIT_ACTIVE_MASK BIT(24)

Definition at line 96 of file spi-davinci.c.

#define SPIFLG_DESYNC_MASK BIT(3)

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

#define SPIFLG_DLEN_ERR_MASK BIT(0)

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

#define SPIFLG_ERROR_MASK

Value:

(SPIFLG_DLEN_ERR_MASK \
                | SPIFLG_TIMEOUT_MASK | SPIFLG_PARERR_MASK \
                | SPIFLG_DESYNC_MASK | SPIFLG_BITERR_MASK \
                | SPIFLG_OVRRUN_MASK)

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

#define SPIFLG_OVRRUN_MASK BIT(6)

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

#define SPIFLG_PARERR_MASK BIT(2)

Definition at line 92 of file spi-davinci.c.

#define SPIFLG_TIMEOUT_MASK BIT(1)

Definition at line 91 of file spi-davinci.c.

#define SPIFMT0 0x50

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

#define SPIFMT_DISTIMER_MASK BIT(18)

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

#define SPIFMT_ODD_PARITY_MASK BIT(23)

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

#define SPIFMT_PARITYENA_MASK BIT(22)

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

#define SPIFMT_PHASE_MASK BIT(16)

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

#define SPIFMT_POLARITY_MASK BIT(17)

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

#define SPIFMT_PRESCALE_SHIFT 8

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

#define SPIFMT_SHIFTDIR_MASK BIT(20)

Definition at line 46 of file spi-davinci.c.

#define SPIFMT_WAITENA_MASK BIT(21)

Definition at line 47 of file spi-davinci.c.

#define SPIFMT_WDELAY_MASK 0x3f000000u

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

#define SPIFMT_WDELAY_SHIFT 24

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

#define SPIGCR0 0x00

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

#define SPIGCR1 0x04

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

#define SPIGCR1_CLKMOD_MASK BIT(1)

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

#define SPIGCR1_LOOPBACK_MASK BIT(16)

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

#define SPIGCR1_MASTER_MASK BIT(0)

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

#define SPIGCR1_POWERDOWN_MASK BIT(8)

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

#define SPIGCR1_SPIENA_MASK BIT(24)

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

#define SPIINT 0x08

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

#define SPIINT_DMA_REQ_EN BIT(16)

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

#define SPIINT_MASKALL 0x0101035F

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

#define SPIINT_MASKINT 0x0000015F

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

#define SPILVL 0x0c

Definition at line 108 of file spi-davinci.c.

#define SPIPC0 0x14

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

#define SPIPC0_CLKFUN_MASK BIT(9) /* CLK */

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

#define SPIPC0_DIFUN_MASK BIT(11) /* MISO */

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

#define SPIPC0_DOFUN_MASK BIT(10) /* MOSI */

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

#define SPIPC0_SPIENA_MASK BIT(8) /* nREADY */

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

Function Documentation

MODULE_DESCRIPTION ( "TI DaVinci SPI Master Controller Driver" )

MODULE_LICENSE ( "GPL" )

module_platform_driver ( davinci_spi_driver )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation