#include <linux/mmc/host.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/scatterlist.h>
#include <linux/clk.h>
#include <linux/bitops.h>
#include <linux/gpio.h>
#include <asm/mach-jz4740/gpio.h>
#include <asm/cacheflush.h>
#include <linux/dma-mapping.h>
#include <asm/mach-jz4740/jz4740_mmc.h>

Data Structures
struct	jz4740_mmc_host

Macros
#define	JZ_REG_MMC_STRPCL 0x00

#define	JZ_REG_MMC_STATUS 0x04

#define	JZ_REG_MMC_CLKRT 0x08

#define	JZ_REG_MMC_CMDAT 0x0C

#define	JZ_REG_MMC_RESTO 0x10

#define	JZ_REG_MMC_RDTO 0x14

#define	JZ_REG_MMC_BLKLEN 0x18

#define	JZ_REG_MMC_NOB 0x1C

#define	JZ_REG_MMC_SNOB 0x20

#define	JZ_REG_MMC_IMASK 0x24

#define	JZ_REG_MMC_IREG 0x28

#define	JZ_REG_MMC_CMD 0x2C

#define	JZ_REG_MMC_ARG 0x30

#define	JZ_REG_MMC_RESP_FIFO 0x34

#define	JZ_REG_MMC_RXFIFO 0x38

#define	JZ_REG_MMC_TXFIFO 0x3C

#define	JZ_MMC_STRPCL_EXIT_MULTIPLE BIT(7)

#define	JZ_MMC_STRPCL_EXIT_TRANSFER BIT(6)

#define	JZ_MMC_STRPCL_START_READWAIT BIT(5)

#define	JZ_MMC_STRPCL_STOP_READWAIT BIT(4)

#define	JZ_MMC_STRPCL_RESET BIT(3)

#define	JZ_MMC_STRPCL_START_OP BIT(2)

#define	JZ_MMC_STRPCL_CLOCK_CONTROL (BIT(1) \| BIT(0))

#define	JZ_MMC_STRPCL_CLOCK_STOP BIT(0)

#define	JZ_MMC_STRPCL_CLOCK_START BIT(1)

#define	JZ_MMC_STATUS_IS_RESETTING BIT(15)

#define	JZ_MMC_STATUS_SDIO_INT_ACTIVE BIT(14)

#define	JZ_MMC_STATUS_PRG_DONE BIT(13)

#define	JZ_MMC_STATUS_DATA_TRAN_DONE BIT(12)

#define	JZ_MMC_STATUS_END_CMD_RES BIT(11)

#define	JZ_MMC_STATUS_DATA_FIFO_AFULL BIT(10)

#define	JZ_MMC_STATUS_IS_READWAIT BIT(9)

#define	JZ_MMC_STATUS_CLK_EN BIT(8)

#define	JZ_MMC_STATUS_DATA_FIFO_FULL BIT(7)

#define	JZ_MMC_STATUS_DATA_FIFO_EMPTY BIT(6)

#define	JZ_MMC_STATUS_CRC_RES_ERR BIT(5)

#define	JZ_MMC_STATUS_CRC_READ_ERROR BIT(4)

#define	JZ_MMC_STATUS_TIMEOUT_WRITE BIT(3)

#define	JZ_MMC_STATUS_CRC_WRITE_ERROR BIT(2)

#define	JZ_MMC_STATUS_TIMEOUT_RES BIT(1)

#define	JZ_MMC_STATUS_TIMEOUT_READ BIT(0)

#define	JZ_MMC_STATUS_READ_ERROR_MASK (BIT(4) \| BIT(0))

#define	JZ_MMC_STATUS_WRITE_ERROR_MASK (BIT(3) \| BIT(2))

#define	JZ_MMC_CMDAT_IO_ABORT BIT(11)

#define	JZ_MMC_CMDAT_BUS_WIDTH_4BIT BIT(10)

#define	JZ_MMC_CMDAT_DMA_EN BIT(8)

#define	JZ_MMC_CMDAT_INIT BIT(7)

#define	JZ_MMC_CMDAT_BUSY BIT(6)

#define	JZ_MMC_CMDAT_STREAM BIT(5)

#define	JZ_MMC_CMDAT_WRITE BIT(4)

#define	JZ_MMC_CMDAT_DATA_EN BIT(3)

#define	JZ_MMC_CMDAT_RESPONSE_FORMAT (BIT(2) \| BIT(1) \| BIT(0))

#define	JZ_MMC_CMDAT_RSP_R1 1

#define	JZ_MMC_CMDAT_RSP_R2 2

#define	JZ_MMC_CMDAT_RSP_R3 3

#define	JZ_MMC_IRQ_SDIO BIT(7)

#define	JZ_MMC_IRQ_TXFIFO_WR_REQ BIT(6)

#define	JZ_MMC_IRQ_RXFIFO_RD_REQ BIT(5)

#define	JZ_MMC_IRQ_END_CMD_RES BIT(2)

#define	JZ_MMC_IRQ_PRG_DONE BIT(1)

#define	JZ_MMC_IRQ_DATA_TRAN_DONE BIT(0)

#define	JZ_MMC_CLK_RATE 24000000

#define	JZ4740_MMC_PM_OPS NULL

Enumerations
enum	jz4740_mmc_state { JZ4740_MMC_STATE_READ_RESPONSE, JZ4740_MMC_STATE_TRANSFER_DATA, JZ4740_MMC_STATE_SEND_STOP, JZ4740_MMC_STATE_DONE }

Functions
	module_platform_driver (jz4740_mmc_driver)

	MODULE_DESCRIPTION ("JZ4740 SD/MMC controller driver")

	MODULE_LICENSE ("GPL")

	MODULE_AUTHOR ("Lars-Peter Clausen <[email protected]>")

Macro Definition Documentation

#define JZ4740_MMC_PM_OPS NULL

Definition at line 1002 of file jz4740_mmc.c.

#define JZ_MMC_CLK_RATE 24000000

Definition at line 105 of file jz4740_mmc.c.

#define JZ_MMC_CMDAT_BUS_WIDTH_4BIT BIT(10)

Definition at line 85 of file jz4740_mmc.c.

#define JZ_MMC_CMDAT_BUSY BIT(6)

Definition at line 88 of file jz4740_mmc.c.

#define JZ_MMC_CMDAT_DATA_EN BIT(3)

Definition at line 91 of file jz4740_mmc.c.

#define JZ_MMC_CMDAT_DMA_EN BIT(8)

Definition at line 86 of file jz4740_mmc.c.

#define JZ_MMC_CMDAT_INIT BIT(7)

Definition at line 87 of file jz4740_mmc.c.

#define JZ_MMC_CMDAT_IO_ABORT BIT(11)

Definition at line 84 of file jz4740_mmc.c.

#define JZ_MMC_CMDAT_RESPONSE_FORMAT (BIT(2) | BIT(1) | BIT(0))

Definition at line 92 of file jz4740_mmc.c.

#define JZ_MMC_CMDAT_RSP_R1 1

Definition at line 93 of file jz4740_mmc.c.

#define JZ_MMC_CMDAT_RSP_R2 2

Definition at line 94 of file jz4740_mmc.c.

#define JZ_MMC_CMDAT_RSP_R3 3

Definition at line 95 of file jz4740_mmc.c.

#define JZ_MMC_CMDAT_STREAM BIT(5)

Definition at line 89 of file jz4740_mmc.c.

#define JZ_MMC_CMDAT_WRITE BIT(4)

Definition at line 90 of file jz4740_mmc.c.

#define JZ_MMC_IRQ_DATA_TRAN_DONE BIT(0)

Definition at line 102 of file jz4740_mmc.c.

#define JZ_MMC_IRQ_END_CMD_RES BIT(2)

Definition at line 100 of file jz4740_mmc.c.

#define JZ_MMC_IRQ_PRG_DONE BIT(1)

Definition at line 101 of file jz4740_mmc.c.

#define JZ_MMC_IRQ_RXFIFO_RD_REQ BIT(5)

Definition at line 99 of file jz4740_mmc.c.

#define JZ_MMC_IRQ_SDIO BIT(7)

Definition at line 97 of file jz4740_mmc.c.

#define JZ_MMC_IRQ_TXFIFO_WR_REQ BIT(6)

Definition at line 98 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_CLK_EN BIT(8)

Definition at line 70 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_CRC_READ_ERROR BIT(4)

Definition at line 74 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_CRC_RES_ERR BIT(5)

Definition at line 73 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_CRC_WRITE_ERROR BIT(2)

Definition at line 76 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_DATA_FIFO_AFULL BIT(10)

Definition at line 68 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_DATA_FIFO_EMPTY BIT(6)

Definition at line 72 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_DATA_FIFO_FULL BIT(7)

Definition at line 71 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_DATA_TRAN_DONE BIT(12)

Definition at line 66 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_END_CMD_RES BIT(11)

Definition at line 67 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_IS_READWAIT BIT(9)

Definition at line 69 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_IS_RESETTING BIT(15)

Definition at line 63 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_PRG_DONE BIT(13)

Definition at line 65 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_READ_ERROR_MASK (BIT(4) | BIT(0))

Definition at line 80 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_SDIO_INT_ACTIVE BIT(14)

Definition at line 64 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_TIMEOUT_READ BIT(0)

Definition at line 78 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_TIMEOUT_RES BIT(1)

Definition at line 77 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_TIMEOUT_WRITE BIT(3)

Definition at line 75 of file jz4740_mmc.c.

#define JZ_MMC_STATUS_WRITE_ERROR_MASK (BIT(3) | BIT(2))

Definition at line 81 of file jz4740_mmc.c.

#define JZ_MMC_STRPCL_CLOCK_CONTROL (BIT(1) | BIT(0))

Definition at line 58 of file jz4740_mmc.c.

#define JZ_MMC_STRPCL_CLOCK_START BIT(1)

Definition at line 60 of file jz4740_mmc.c.

#define JZ_MMC_STRPCL_CLOCK_STOP BIT(0)

Definition at line 59 of file jz4740_mmc.c.

#define JZ_MMC_STRPCL_EXIT_MULTIPLE BIT(7)

Definition at line 52 of file jz4740_mmc.c.

#define JZ_MMC_STRPCL_EXIT_TRANSFER BIT(6)

Definition at line 53 of file jz4740_mmc.c.

#define JZ_MMC_STRPCL_RESET BIT(3)

Definition at line 56 of file jz4740_mmc.c.

#define JZ_MMC_STRPCL_START_OP BIT(2)

Definition at line 57 of file jz4740_mmc.c.

#define JZ_MMC_STRPCL_START_READWAIT BIT(5)

Definition at line 54 of file jz4740_mmc.c.

#define JZ_MMC_STRPCL_STOP_READWAIT BIT(4)

Definition at line 55 of file jz4740_mmc.c.

#define JZ_REG_MMC_ARG 0x30

Definition at line 47 of file jz4740_mmc.c.

#define JZ_REG_MMC_BLKLEN 0x18

Definition at line 41 of file jz4740_mmc.c.

#define JZ_REG_MMC_CLKRT 0x08

Definition at line 37 of file jz4740_mmc.c.

#define JZ_REG_MMC_CMD 0x2C

Definition at line 46 of file jz4740_mmc.c.

#define JZ_REG_MMC_CMDAT 0x0C

Definition at line 38 of file jz4740_mmc.c.

#define JZ_REG_MMC_IMASK 0x24

Definition at line 44 of file jz4740_mmc.c.

#define JZ_REG_MMC_IREG 0x28

Definition at line 45 of file jz4740_mmc.c.

#define JZ_REG_MMC_NOB 0x1C

Definition at line 42 of file jz4740_mmc.c.

#define JZ_REG_MMC_RDTO 0x14

Definition at line 40 of file jz4740_mmc.c.

#define JZ_REG_MMC_RESP_FIFO 0x34

Definition at line 48 of file jz4740_mmc.c.

#define JZ_REG_MMC_RESTO 0x10

Definition at line 39 of file jz4740_mmc.c.

#define JZ_REG_MMC_RXFIFO 0x38

Definition at line 49 of file jz4740_mmc.c.

#define JZ_REG_MMC_SNOB 0x20

Definition at line 43 of file jz4740_mmc.c.

#define JZ_REG_MMC_STATUS 0x04

Definition at line 36 of file jz4740_mmc.c.

#define JZ_REG_MMC_STRPCL 0x00

Definition at line 35 of file jz4740_mmc.c.

#define JZ_REG_MMC_TXFIFO 0x3C

Definition at line 50 of file jz4740_mmc.c.

Enumeration Type Documentation

enum jz4740_mmc_state

Enumerator:

JZ4740_MMC_STATE_READ_RESPONSE
JZ4740_MMC_STATE_TRANSFER_DATA
JZ4740_MMC_STATE_SEND_STOP
JZ4740_MMC_STATE_DONE

Definition at line 107 of file jz4740_mmc.c.

Function Documentation

MODULE_AUTHOR ( "Lars-Peter Clausen <[email protected]>" )

MODULE_DESCRIPTION ( "JZ4740 SD/MMC controller driver" )

MODULE_LICENSE ( "GPL" )

module_platform_driver ( jz4740_mmc_driver )

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation