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nexedi
linux
Commits
e7aba607
Commit
e7aba607
authored
Jun 10, 2003
by
Greg Kroah-Hartman
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[PATCH] I2C: coding style updates for i2c-iop3xx driver
parent
7323fe38
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2 changed files
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186 additions
and
217 deletions
+186
-217
drivers/i2c/i2c-iop3xx.c
drivers/i2c/i2c-iop3xx.c
+137
-166
drivers/i2c/i2c-iop3xx.h
drivers/i2c/i2c-iop3xx.h
+49
-51
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drivers/i2c/i2c-iop3xx.c
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e7aba607
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drivers/i2c/i2c-iop3xx.h
View file @
e7aba607
...
...
@@ -25,20 +25,20 @@
/*
* iop321 hardware bit definitions
*/
#define IOP321_ICR_FAST_MODE
0x8000
/* 1=400kBps, 0=100kBps */
#define IOP321_ICR_UNIT_RESET
0x4000
/* 1=RESET */
#define IOP321_ICR_SADIE
0x2000
/* 1=Slave Detect Interrupt Enable */
#define IOP321_ICR_ALDIE
0x1000
/* 1=Arb Loss Detect Interrupt Enable */
#define IOP321_ICR_SSDIE
0x0800
/* 1=Slave STOP Detect Interrupt Enable */
#define IOP321_ICR_BERRIE
0x0400
/* 1=Bus Error Interrupt Enable */
#define IOP321_ICR_RXFULLIE
0x0200
/* 1=Receive Full Interrupt Enable */
#define IOP321_ICR_TXEMPTYIE
0x0100
/* 1=Transmit Empty Interrupt Enable */
#define IOP321_ICR_GCD
0x0080
/* 1=General Call Disable */
#define IOP321_ICR_FAST_MODE
0x8000
/* 1=400kBps, 0=100kBps */
#define IOP321_ICR_UNIT_RESET
0x4000
/* 1=RESET */
#define IOP321_ICR_SADIE
0x2000
/* 1=Slave Detect Interrupt Enable */
#define IOP321_ICR_ALDIE
0x1000
/* 1=Arb Loss Detect Interrupt Enable */
#define IOP321_ICR_SSDIE
0x0800
/* 1=Slave STOP Detect Interrupt Enable */
#define IOP321_ICR_BERRIE
0x0400
/* 1=Bus Error Interrupt Enable */
#define IOP321_ICR_RXFULLIE
0x0200
/* 1=Receive Full Interrupt Enable */
#define IOP321_ICR_TXEMPTYIE
0x0100
/* 1=Transmit Empty Interrupt Enable */
#define IOP321_ICR_GCD
0x0080
/* 1=General Call Disable */
/*
* IOP321_ICR_GCD: 1 disables response as slave. "This bit must be set
* when sending a master mode general call message from the I2C unit"
*/
#define IOP321_ICR_UE
0x0040
/* 1=Unit Enable */
#define IOP321_ICR_UE
0x0040
/* 1=Unit Enable */
/*
* "NOTE: To avoid I2C bus integrity problems,
* the user needs to ensure that the GPIO Output Data Register -
...
...
@@ -46,56 +46,54 @@
* the enable bit for that I2C serial port.
* The user prepares to enable I2C port 0 and
* I2C port 1 by clearing GPOD bits 7:6 and GPOD bits 5:4, respectively.
*/
#define IOP321_ICR_SCLEN 0x0020
/* 1=SCL enable for master mode */
#define IOP321_ICR_MABORT 0x0010
/* 1=Send a STOP with no data
* NB TBYTE must be clear */
#define IOP321_ICR_TBYTE 0x0008
/* 1=Send/Receive a byte. i2c clears */
#define IOP321_ICR_NACK 0x0004
/* 1=reply with NACK */
#define IOP321_ICR_MSTOP 0x0002
/* 1=send a STOP after next data byte */
#define IOP321_ICR_MSTART 0x0001
/* 1=initiate a START */
*/
#define IOP321_ICR_SCLEN 0x0020
/* 1=SCL enable for master mode */
#define IOP321_ICR_MABORT 0x0010
/* 1=Send a STOP with no data
* NB TBYTE must be clear */
#define IOP321_ICR_TBYTE 0x0008
/* 1=Send/Receive a byte. i2c clears */
#define IOP321_ICR_NACK 0x0004
/* 1=reply with NACK */
#define IOP321_ICR_MSTOP 0x0002
/* 1=send a STOP after next data byte */
#define IOP321_ICR_MSTART 0x0001
/* 1=initiate a START */
#define IOP321_ISR_BERRD 0x0400
/* 1=BUS ERROR Detected */
#define IOP321_ISR_SAD 0x0200
/* 1=Slave ADdress Detected */
#define IOP321_ISR_GCAD 0x0100
/* 1=General Call Address Detected */
#define IOP321_ISR_RXFULL 0x0080
/* 1=Receive Full */
#define IOP321_ISR_TXEMPTY 0x0040
/* 1=Transmit Empty */
#define IOP321_ISR_ALD 0x0020
/* 1=Arbitration Loss Detected */
#define IOP321_ISR_SSD 0x0010
/* 1=Slave STOP Detected */
#define IOP321_ISR_BBUSY 0x0008
/* 1=Bus BUSY */
#define IOP321_ISR_UNITBUSY 0x0004
/* 1=Unit Busy */
#define IOP321_ISR_NACK 0x0002
/* 1=Unit Rx or Tx a NACK */
#define IOP321_ISR_RXREAD 0x0001
/* 1=READ 0=WRITE (R/W bit of slave addr */
#define IOP321_ISR_CLEARBITS 0x07f0
#define IOP321_ISR_BERRD 0x0400
/* 1=BUS ERROR Detected */
#define IOP321_ISR_SAD 0x0200
/* 1=Slave ADdress Detected */
#define IOP321_ISR_GCAD 0x0100
/* 1=General Call Address Detected */
#define IOP321_ISR_RXFULL 0x0080
/* 1=Receive Full */
#define IOP321_ISR_TXEMPTY 0x0040
/* 1=Transmit Empty */
#define IOP321_ISR_ALD 0x0020
/* 1=Arbitration Loss Detected */
#define IOP321_ISR_SSD 0x0010
/* 1=Slave STOP Detected */
#define IOP321_ISR_BBUSY 0x0008
/* 1=Bus BUSY */
#define IOP321_ISR_UNITBUSY 0x0004
/* 1=Unit Busy */
#define IOP321_ISR_NACK 0x0002
/* 1=Unit Rx or Tx a NACK */
#define IOP321_ISR_RXREAD 0x0001
/* 1=READ 0=WRITE (R/W bit of slave addr */
#define IOP321_IS
AR_SAMASK 0x007f
#define IOP321_IS
R_CLEARBITS 0x07f0
#define IOP321_I
DBR_MASK 0x00f
f
#define IOP321_I
SAR_SAMASK 0x007
f
#define IOP321_IBMR_SCL 0x0002
#define IOP321_IBMR_SDA 0x0001
#define IOP321_IDBR_MASK 0x00ff
#define IOP321_
GPOD_I2C0 0x00c0
/* clear these bits to enable ch0 */
#define IOP321_
GPOD_I2C1 0x0030
/* clear these bits to enable ch1 */
#define IOP321_
IBMR_SCL 0x0002
#define IOP321_
IBMR_SDA 0x0001
#define MYSAR 0x02
/* SWAG a suitable slave address */
#define IOP321_GPOD_I2C0 0x00c0
/* clear these bits to enable ch0 */
#define IOP321_GPOD_I2C1 0x0030
/* clear these bits to enable ch1 */
#define I2C_ERR 321
#define I2C_ERR_BERR (I2C_ERR+0)
#define I2C_ERR_ALD (I2C_ERR+1)
#define MYSAR 0x02
/* SWAG a suitable slave address */
#define I2C_ERR 321
#define I2C_ERR_BERR (I2C_ERR+0)
#define I2C_ERR_ALD (I2C_ERR+1)
typedef
volatile
u32
*
r32
;
struct
iop3xx_biu
{
/* Bus Interface Unit - the hardware */
/* physical hardware defs - regs*/
r32
CR
;
r32
SR
;
r32
SAR
;
r32
DBR
;
r32
BMR
;
u32
*
CR
;
u32
*
SR
;
u32
*
SAR
;
u32
*
DBR
;
u32
*
BMR
;
/* irq bit vector */
u32
irq
;
/* stored flags */
...
...
@@ -111,10 +109,10 @@ struct i2c_algo_iop3xx_data {
struct
iop3xx_biu
*
biu
;
};
#define REGION_START(
adap )
((u32)((adap)->biu->CR))
#define REGION_END(
adap )
((u32)((adap)->biu->BMR+1))
#define REGION_LENGTH(
adap )
(REGION_END(adap)-REGION_START(adap))
#define REGION_START(
adap)
((u32)((adap)->biu->CR))
#define REGION_END(
adap)
((u32)((adap)->biu->BMR+1))
#define REGION_LENGTH(
adap)
(REGION_END(adap)-REGION_START(adap))
#define IRQ_STATUS_MASK(
adap )
(1<<adap->biu->irq)
#define IRQ_STATUS_MASK(
adap)
(1<<adap->biu->irq)
#endif
/* I2C_IOP3XX_H */
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