#include <linux/module.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/completion.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_i2c.h>
#include <linux/of_device.h>
#include <linux/slab.h>
#include <linux/i2c-omap.h>
#include <linux/pm_runtime.h>

Data Structures
struct	omap_i2c_dev

Macros
#define	OMAP_I2C_OMAP1_REV_2 0x20

#define	OMAP_I2C_REV_ON_2430 0x36

#define	OMAP_I2C_REV_ON_3430_3530 0x3C

#define	OMAP_I2C_REV_ON_3630_4430 0x40

#define	OMAP_I2C_TIMEOUT (msecs_to_jiffies(1000))

#define	OMAP_I2C_PM_TIMEOUT 1000 /* ms */

#define	OMAP_I2C_IE_XDR (1 << 14) /* TX Buffer drain int enable */

#define	OMAP_I2C_IE_RDR (1 << 13) /* RX Buffer drain int enable */

#define	OMAP_I2C_IE_XRDY (1 << 4) /* TX data ready int enable */

#define	OMAP_I2C_IE_RRDY (1 << 3) /* RX data ready int enable */

#define	OMAP_I2C_IE_ARDY (1 << 2) /* Access ready int enable */

#define	OMAP_I2C_IE_NACK (1 << 1) /* No ack interrupt enable */

#define	OMAP_I2C_IE_AL (1 << 0) /* Arbitration lost int ena */

#define	OMAP_I2C_STAT_XDR (1 << 14) /* TX Buffer draining */

#define	OMAP_I2C_STAT_RDR (1 << 13) /* RX Buffer draining */

#define	OMAP_I2C_STAT_BB (1 << 12) /* Bus busy */

#define	OMAP_I2C_STAT_ROVR (1 << 11) /* Receive overrun */

#define	OMAP_I2C_STAT_XUDF (1 << 10) /* Transmit underflow */

#define	OMAP_I2C_STAT_AAS (1 << 9) /* Address as slave */

#define	OMAP_I2C_STAT_AD0 (1 << 8) /* Address zero */

#define	OMAP_I2C_STAT_XRDY (1 << 4) /* Transmit data ready */

#define	OMAP_I2C_STAT_RRDY (1 << 3) /* Receive data ready */

#define	OMAP_I2C_STAT_ARDY (1 << 2) /* Register access ready */

#define	OMAP_I2C_STAT_NACK (1 << 1) /* No ack interrupt enable */

#define	OMAP_I2C_STAT_AL (1 << 0) /* Arbitration lost int ena */

#define	OMAP_I2C_WE_XDR_WE (1 << 14) /* TX drain wakup */

#define	OMAP_I2C_WE_RDR_WE (1 << 13) /* RX drain wakeup */

#define	OMAP_I2C_WE_AAS_WE (1 << 9) /* Address as slave wakeup*/

#define	OMAP_I2C_WE_BF_WE (1 << 8) /* Bus free wakeup */

#define	OMAP_I2C_WE_STC_WE (1 << 6) /* Start condition wakeup */

#define	OMAP_I2C_WE_GC_WE (1 << 5) /* General call wakeup */

#define	OMAP_I2C_WE_DRDY_WE (1 << 3) /* TX/RX data ready wakeup */

#define	OMAP_I2C_WE_ARDY_WE (1 << 2) /* Reg access ready wakeup */

#define	OMAP_I2C_WE_NACK_WE (1 << 1) /* No acknowledgment wakeup */

#define	OMAP_I2C_WE_AL_WE (1 << 0) /* Arbitration lost wakeup */

#define	OMAP_I2C_WE_ALL

#define	OMAP_I2C_BUF_RDMA_EN (1 << 15) /* RX DMA channel enable */

#define	OMAP_I2C_BUF_RXFIF_CLR (1 << 14) /* RX FIFO Clear */

#define	OMAP_I2C_BUF_XDMA_EN (1 << 7) /* TX DMA channel enable */

#define	OMAP_I2C_BUF_TXFIF_CLR (1 << 6) /* TX FIFO Clear */

#define	OMAP_I2C_CON_EN (1 << 15) /* I2C module enable */

#define	OMAP_I2C_CON_BE (1 << 14) /* Big endian mode */

#define	OMAP_I2C_CON_OPMODE_HS (1 << 12) /* High Speed support */

#define	OMAP_I2C_CON_STB (1 << 11) /* Start byte mode (master) */

#define	OMAP_I2C_CON_MST (1 << 10) /* Master/slave mode */

#define	OMAP_I2C_CON_TRX (1 << 9) /* TX/RX mode (master only) */

#define	OMAP_I2C_CON_XA (1 << 8) /* Expand address */

#define	OMAP_I2C_CON_RM (1 << 2) /* Repeat mode (master only) */

#define	OMAP_I2C_CON_STP (1 << 1) /* Stop cond (master only) */

#define	OMAP_I2C_CON_STT (1 << 0) /* Start condition (master) */

#define	OMAP_I2C_SCLL_HSSCLL 8

#define	OMAP_I2C_SCLH_HSSCLH 8

#define	SYSS_RESETDONE_MASK (1 << 0)

#define	SYSC_CLOCKACTIVITY_MASK (0x3 << 8)

#define	SYSC_SIDLEMODE_MASK (0x3 << 3)

#define	SYSC_ENAWAKEUP_MASK (1 << 2)

#define	SYSC_SOFTRESET_MASK (1 << 1)

#define	SYSC_AUTOIDLE_MASK (1 << 0)

#define	SYSC_IDLEMODE_SMART 0x2

#define	SYSC_CLOCKACTIVITY_FCLK 0x2

#define	I2C_OMAP_ERRATA_I207 (1 << 0)

#define	I2C_OMAP_ERRATA_I462 (1 << 1)

#define	omap_i2c_omap1_isr NULL

#define	OMAP_I2C_PM_OPS NULL

Functions
	subsys_initcall (omap_i2c_init_driver)

	module_exit (omap_i2c_exit_driver)

	MODULE_AUTHOR ("MontaVista Software, Inc. (and others)")

	MODULE_DESCRIPTION ("TI OMAP I2C bus adapter")

	MODULE_LICENSE ("GPL")

	MODULE_ALIAS ("platform:omap_i2c")

Macro Definition Documentation

#define I2C_OMAP_ERRATA_I207 (1 << 0)

Definition at line 178 of file i2c-omap.c.

#define I2C_OMAP_ERRATA_I462 (1 << 1)

Definition at line 179 of file i2c-omap.c.

#define OMAP_I2C_BUF_RDMA_EN (1 << 15) /* RX DMA channel enable */

Definition at line 131 of file i2c-omap.c.

#define OMAP_I2C_BUF_RXFIF_CLR (1 << 14) /* RX FIFO Clear */

Definition at line 132 of file i2c-omap.c.

#define OMAP_I2C_BUF_TXFIF_CLR (1 << 6) /* TX FIFO Clear */

Definition at line 134 of file i2c-omap.c.

#define OMAP_I2C_BUF_XDMA_EN (1 << 7) /* TX DMA channel enable */

Definition at line 133 of file i2c-omap.c.

#define OMAP_I2C_CON_BE (1 << 14) /* Big endian mode */

Definition at line 138 of file i2c-omap.c.

#define OMAP_I2C_CON_EN (1 << 15) /* I2C module enable */

Definition at line 137 of file i2c-omap.c.

#define OMAP_I2C_CON_MST (1 << 10) /* Master/slave mode */

Definition at line 141 of file i2c-omap.c.

#define OMAP_I2C_CON_OPMODE_HS (1 << 12) /* High Speed support */

Definition at line 139 of file i2c-omap.c.

#define OMAP_I2C_CON_RM (1 << 2) /* Repeat mode (master only) */

Definition at line 144 of file i2c-omap.c.

#define OMAP_I2C_CON_STB (1 << 11) /* Start byte mode (master) */

Definition at line 140 of file i2c-omap.c.

#define OMAP_I2C_CON_STP (1 << 1) /* Stop cond (master only) */

Definition at line 145 of file i2c-omap.c.

#define OMAP_I2C_CON_STT (1 << 0) /* Start condition (master) */

Definition at line 146 of file i2c-omap.c.

#define OMAP_I2C_CON_TRX (1 << 9) /* TX/RX mode (master only) */

Definition at line 142 of file i2c-omap.c.

#define OMAP_I2C_CON_XA (1 << 8) /* Expand address */

Definition at line 143 of file i2c-omap.c.

#define OMAP_I2C_IE_AL (1 << 0) /* Arbitration lost int ena */

Definition at line 96 of file i2c-omap.c.

#define OMAP_I2C_IE_ARDY (1 << 2) /* Access ready int enable */

Definition at line 94 of file i2c-omap.c.

#define OMAP_I2C_IE_NACK (1 << 1) /* No ack interrupt enable */

Definition at line 95 of file i2c-omap.c.

#define OMAP_I2C_IE_RDR (1 << 13) /* RX Buffer drain int enable */

Definition at line 91 of file i2c-omap.c.

#define OMAP_I2C_IE_RRDY (1 << 3) /* RX data ready int enable */

Definition at line 93 of file i2c-omap.c.

#define OMAP_I2C_IE_XDR (1 << 14) /* TX Buffer drain int enable */

Definition at line 90 of file i2c-omap.c.

#define OMAP_I2C_IE_XRDY (1 << 4) /* TX data ready int enable */

Definition at line 92 of file i2c-omap.c.

#define omap_i2c_omap1_isr NULL

Definition at line 764 of file i2c-omap.c.

#define OMAP_I2C_OMAP1_REV_2 0x20

Definition at line 48 of file i2c-omap.c.

#define OMAP_I2C_PM_OPS NULL

Definition at line 1293 of file i2c-omap.c.

#define OMAP_I2C_PM_TIMEOUT 1000 /* ms */

Definition at line 59 of file i2c-omap.c.

#define OMAP_I2C_REV_ON_2430 0x36

Definition at line 51 of file i2c-omap.c.

#define OMAP_I2C_REV_ON_3430_3530 0x3C

Definition at line 52 of file i2c-omap.c.

#define OMAP_I2C_REV_ON_3630_4430 0x40

Definition at line 53 of file i2c-omap.c.

#define OMAP_I2C_SCLH_HSSCLH 8

Definition at line 150 of file i2c-omap.c.

#define OMAP_I2C_SCLL_HSSCLL 8

Definition at line 149 of file i2c-omap.c.

#define OMAP_I2C_STAT_AAS (1 << 9) /* Address as slave */

Definition at line 104 of file i2c-omap.c.

#define OMAP_I2C_STAT_AD0 (1 << 8) /* Address zero */

Definition at line 105 of file i2c-omap.c.

#define OMAP_I2C_STAT_AL (1 << 0) /* Arbitration lost int ena */

Definition at line 110 of file i2c-omap.c.

#define OMAP_I2C_STAT_ARDY (1 << 2) /* Register access ready */

Definition at line 108 of file i2c-omap.c.

#define OMAP_I2C_STAT_BB (1 << 12) /* Bus busy */

Definition at line 101 of file i2c-omap.c.

#define OMAP_I2C_STAT_NACK (1 << 1) /* No ack interrupt enable */

Definition at line 109 of file i2c-omap.c.

#define OMAP_I2C_STAT_RDR (1 << 13) /* RX Buffer draining */

Definition at line 100 of file i2c-omap.c.

#define OMAP_I2C_STAT_ROVR (1 << 11) /* Receive overrun */

Definition at line 102 of file i2c-omap.c.

#define OMAP_I2C_STAT_RRDY (1 << 3) /* Receive data ready */

Definition at line 107 of file i2c-omap.c.

#define OMAP_I2C_STAT_XDR (1 << 14) /* TX Buffer draining */

Definition at line 99 of file i2c-omap.c.

#define OMAP_I2C_STAT_XRDY (1 << 4) /* Transmit data ready */

Definition at line 106 of file i2c-omap.c.

#define OMAP_I2C_STAT_XUDF (1 << 10) /* Transmit underflow */

Definition at line 103 of file i2c-omap.c.

#define OMAP_I2C_TIMEOUT (msecs_to_jiffies(1000))

Definition at line 56 of file i2c-omap.c.

#define OMAP_I2C_WE_AAS_WE (1 << 9) /* Address as slave wakeup*/

Definition at line 115 of file i2c-omap.c.

#define OMAP_I2C_WE_AL_WE (1 << 0) /* Arbitration lost wakeup */

Definition at line 122 of file i2c-omap.c.

#define OMAP_I2C_WE_ALL

Value:

(OMAP_I2C_WE_XDR_WE | OMAP_I2C_WE_RDR_WE | \
                OMAP_I2C_WE_AAS_WE | OMAP_I2C_WE_BF_WE | \
                OMAP_I2C_WE_STC_WE | OMAP_I2C_WE_GC_WE | \
                OMAP_I2C_WE_DRDY_WE | OMAP_I2C_WE_ARDY_WE | \
                OMAP_I2C_WE_NACK_WE | OMAP_I2C_WE_AL_WE)

Definition at line 124 of file i2c-omap.c.

#define OMAP_I2C_WE_ARDY_WE (1 << 2) /* Reg access ready wakeup */

Definition at line 120 of file i2c-omap.c.

#define OMAP_I2C_WE_BF_WE (1 << 8) /* Bus free wakeup */

Definition at line 116 of file i2c-omap.c.

#define OMAP_I2C_WE_DRDY_WE (1 << 3) /* TX/RX data ready wakeup */

Definition at line 119 of file i2c-omap.c.

#define OMAP_I2C_WE_GC_WE (1 << 5) /* General call wakeup */

Definition at line 118 of file i2c-omap.c.

#define OMAP_I2C_WE_NACK_WE (1 << 1) /* No acknowledgment wakeup */

Definition at line 121 of file i2c-omap.c.

#define OMAP_I2C_WE_RDR_WE (1 << 13) /* RX drain wakeup */

Definition at line 114 of file i2c-omap.c.

#define OMAP_I2C_WE_STC_WE (1 << 6) /* Start condition wakeup */

Definition at line 117 of file i2c-omap.c.

#define OMAP_I2C_WE_XDR_WE (1 << 14) /* TX drain wakup */

Definition at line 113 of file i2c-omap.c.

#define SYSC_AUTOIDLE_MASK (1 << 0)

Definition at line 172 of file i2c-omap.c.

#define SYSC_CLOCKACTIVITY_FCLK 0x2

Definition at line 175 of file i2c-omap.c.

#define SYSC_CLOCKACTIVITY_MASK (0x3 << 8)

Definition at line 168 of file i2c-omap.c.

#define SYSC_ENAWAKEUP_MASK (1 << 2)

Definition at line 170 of file i2c-omap.c.

#define SYSC_IDLEMODE_SMART 0x2

Definition at line 174 of file i2c-omap.c.

#define SYSC_SIDLEMODE_MASK (0x3 << 3)

Definition at line 169 of file i2c-omap.c.

#define SYSC_SOFTRESET_MASK (1 << 1)

Definition at line 171 of file i2c-omap.c.

#define SYSS_RESETDONE_MASK (1 << 0)

Definition at line 165 of file i2c-omap.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

OMAP_I2C_REV_REG
OMAP_I2C_IE_REG
OMAP_I2C_STAT_REG
OMAP_I2C_IV_REG
OMAP_I2C_WE_REG
OMAP_I2C_SYSS_REG
OMAP_I2C_BUF_REG
OMAP_I2C_CNT_REG
OMAP_I2C_DATA_REG
OMAP_I2C_SYSC_REG
OMAP_I2C_CON_REG
OMAP_I2C_OA_REG
OMAP_I2C_SA_REG
OMAP_I2C_PSC_REG
OMAP_I2C_SCLL_REG
OMAP_I2C_SCLH_REG
OMAP_I2C_SYSTEST_REG
OMAP_I2C_BUFSTAT_REG
OMAP_I2C_IP_V2_REVNB_LO
OMAP_I2C_IP_V2_REVNB_HI
OMAP_I2C_IP_V2_IRQSTATUS_RAW
OMAP_I2C_IP_V2_IRQENABLE_SET
OMAP_I2C_IP_V2_IRQENABLE_CLR

Definition at line 62 of file i2c-omap.c.

Function Documentation

MODULE_ALIAS ( "platform:omap_i2c" )

MODULE_AUTHOR	(	"MontaVista	Software,
		Inc.(and others)"
	)

MODULE_DESCRIPTION ( "TI OMAP I2C bus adapter" )

module_exit ( omap_i2c_exit_driver )

MODULE_LICENSE ( "GPL" )

subsys_initcall ( omap_i2c_init_driver )

Enumerations
enum	{ OMAP_I2C_REV_REG = 0, OMAP_I2C_IE_REG, OMAP_I2C_STAT_REG, OMAP_I2C_IV_REG, OMAP_I2C_WE_REG, OMAP_I2C_SYSS_REG, OMAP_I2C_BUF_REG, OMAP_I2C_CNT_REG, OMAP_I2C_DATA_REG, OMAP_I2C_SYSC_REG, OMAP_I2C_CON_REG, OMAP_I2C_OA_REG, OMAP_I2C_SA_REG, OMAP_I2C_PSC_REG, OMAP_I2C_SCLL_REG, OMAP_I2C_SCLH_REG, OMAP_I2C_SYSTEST_REG, OMAP_I2C_BUFSTAT_REG, OMAP_I2C_IP_V2_REVNB_LO, OMAP_I2C_IP_V2_REVNB_HI, OMAP_I2C_IP_V2_IRQSTATUS_RAW, OMAP_I2C_IP_V2_IRQENABLE_SET, OMAP_I2C_IP_V2_IRQENABLE_CLR }

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation