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path: root/drivers/i2c/s3c24x0_i2c.c
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Diffstat (limited to 'drivers/i2c/s3c24x0_i2c.c')
-rw-r--r--drivers/i2c/s3c24x0_i2c.c102
1 files changed, 51 insertions, 51 deletions
diff --git a/drivers/i2c/s3c24x0_i2c.c b/drivers/i2c/s3c24x0_i2c.c
index c8371cf..ba6f39b 100644
--- a/drivers/i2c/s3c24x0_i2c.c
+++ b/drivers/i2c/s3c24x0_i2c.c
@@ -58,10 +58,10 @@ static int GetI2CSDA(void)
struct s3c24x0_gpio *gpio = s3c24x0_get_base_gpio();
#ifdef CONFIG_S3C2410
- return (readl(&gpio->GPEDAT) & 0x8000) >> 15;
+ return (readl(&gpio->gpedat) & 0x8000) >> 15;
#endif
#ifdef CONFIG_S3C2400
- return (readl(&gpio->PGDAT) & 0x0020) >> 5;
+ return (readl(&gpio->pgdat) & 0x0020) >> 5;
#endif
}
@@ -77,10 +77,10 @@ static void SetI2CSCL(int x)
struct s3c24x0_gpio *gpio = s3c24x0_get_base_gpio();
#ifdef CONFIG_S3C2410
- writel((readl(&gpio->GPEDAT) & ~0x4000) | (x & 1) << 14, &gpio->GPEDAT);
+ writel((readl(&gpio->gpedat) & ~0x4000) | (x & 1) << 14, &gpio->gpedat);
#endif
#ifdef CONFIG_S3C2400
- writel((readl(&gpio->PGDAT) & ~0x0040) | (x & 1) << 6, &gpio->PGDAT);
+ writel((readl(&gpio->pgdat) & ~0x0040) | (x & 1) << 6, &gpio->pgdat);
#endif
}
@@ -90,26 +90,26 @@ static int WaitForXfer(void)
int i;
i = I2C_TIMEOUT * 10000;
- while (!(readl(&i2c->IICCON) & I2CCON_IRPND) && (i > 0)) {
+ while (!(readl(&i2c->iiccon) & I2CCON_IRPND) && (i > 0)) {
udelay(100);
i--;
}
- return (readl(&i2c->IICCON) & I2CCON_IRPND) ? I2C_OK : I2C_NOK_TOUT;
+ return (readl(&i2c->iiccon) & I2CCON_IRPND) ? I2C_OK : I2C_NOK_TOUT;
}
static int IsACK(void)
{
struct s3c24x0_i2c *i2c = s3c24x0_get_base_i2c();
- return !(readl(&i2c->IICSTAT) & I2CSTAT_NACK);
+ return !(readl(&i2c->iicstat) & I2CSTAT_NACK);
}
static void ReadWriteByte(void)
{
struct s3c24x0_i2c *i2c = s3c24x0_get_base_i2c();
- writel(readl(&i2c->IICCON) & ~I2CCON_IRPND, &i2c->IICCON);
+ writel(readl(&i2c->iiccon) & ~I2CCON_IRPND, &i2c->iiccon);
}
void i2c_init(int speed, int slaveadd)
@@ -122,30 +122,30 @@ void i2c_init(int speed, int slaveadd)
/* wait for some time to give previous transfer a chance to finish */
i = I2C_TIMEOUT * 1000;
- while ((readl(&i2c->IICSTAT) && I2CSTAT_BSY) && (i > 0)) {
+ while ((readl(&i2c->iicstat) && I2CSTAT_BSY) && (i > 0)) {
udelay(1000);
i--;
}
- if ((readl(&i2c->IICSTAT) & I2CSTAT_BSY) || GetI2CSDA() == 0) {
+ if ((readl(&i2c->iicstat) & I2CSTAT_BSY) || GetI2CSDA() == 0) {
#ifdef CONFIG_S3C2410
- ulong old_gpecon = readl(&gpio->GPECON);
+ ulong old_gpecon = readl(&gpio->gpecon);
#endif
#ifdef CONFIG_S3C2400
- ulong old_gpecon = readl(&gpio->PGCON);
+ ulong old_gpecon = readl(&gpio->pgcon);
#endif
/* bus still busy probably by (most) previously interrupted
transfer */
#ifdef CONFIG_S3C2410
/* set I2CSDA and I2CSCL (GPE15, GPE14) to GPIO */
- writel((readl(&gpio->GPECON) & ~0xF0000000) | 0x10000000,
- &gpio->GPECON);
+ writel((readl(&gpio->gpecon) & ~0xF0000000) | 0x10000000,
+ &gpio->gpecon);
#endif
#ifdef CONFIG_S3C2400
/* set I2CSDA and I2CSCL (PG5, PG6) to GPIO */
- writel((readl(&gpio->PGCON) & ~0x00003c00) | 0x00001000,
- &gpio->PGCON);
+ writel((readl(&gpio->pgcon) & ~0x00003c00) | 0x00001000,
+ &gpio->pgcon);
#endif
/* toggle I2CSCL until bus idle */
@@ -164,10 +164,10 @@ void i2c_init(int speed, int slaveadd)
/* restore pin functions */
#ifdef CONFIG_S3C2410
- writel(old_gpecon, &gpio->GPECON);
+ writel(old_gpecon, &gpio->gpecon);
#endif
#ifdef CONFIG_S3C2400
- writel(old_gpecon, &gpio->PGCON);
+ writel(old_gpecon, &gpio->pgcon);
#endif
}
@@ -183,13 +183,13 @@ void i2c_init(int speed, int slaveadd)
/* set prescaler, divisor according to freq, also set
* ACKGEN, IRQ */
- writel((div & 0x0F) | 0xA0 | ((pres == 512) ? 0x40 : 0), &i2c->IICCON);
+ writel((div & 0x0F) | 0xA0 | ((pres == 512) ? 0x40 : 0), &i2c->iiccon);
/* init to SLAVE REVEIVE and set slaveaddr */
- writel(0, &i2c->IICSTAT);
- writel(slaveadd, &i2c->IICADD);
+ writel(0, &i2c->iicstat);
+ writel(slaveadd, &i2c->iicadd);
/* program Master Transmit (and implicit STOP) */
- writel(I2C_MODE_MT | I2C_TXRX_ENA, &i2c->IICSTAT);
+ writel(I2C_MODE_MT | I2C_TXRX_ENA, &i2c->iicstat);
}
@@ -218,47 +218,47 @@ int i2c_transfer(unsigned char cmd_type,
/* Check I2C bus idle */
i = I2C_TIMEOUT * 1000;
- while ((readl(&i2c->IICSTAT) & I2CSTAT_BSY) && (i > 0)) {
+ while ((readl(&i2c->iicstat) & I2CSTAT_BSY) && (i > 0)) {
udelay(1000);
i--;
}
- if (readl(&i2c->IICSTAT) & I2CSTAT_BSY)
+ if (readl(&i2c->iicstat) & I2CSTAT_BSY)
return I2C_NOK_TOUT;
- writel(readl(&i2c->IICCON) | 0x80, &i2c->IICCON);
+ writel(readl(&i2c->iiccon) | 0x80, &i2c->iiccon);
result = I2C_OK;
switch (cmd_type) {
case I2C_WRITE:
if (addr && addr_len) {
- writel(chip, &i2c->IICDS);
+ writel(chip, &i2c->iicds);
/* send START */
writel(I2C_MODE_MT | I2C_TXRX_ENA | I2C_START_STOP,
- &i2c->IICSTAT);
+ &i2c->iicstat);
i = 0;
while ((i < addr_len) && (result == I2C_OK)) {
result = WaitForXfer();
- writel(addr[i], &i2c->IICDS);
+ writel(addr[i], &i2c->iicds);
ReadWriteByte();
i++;
}
i = 0;
while ((i < data_len) && (result == I2C_OK)) {
result = WaitForXfer();
- writel(data[i], &i2c->IICDS);
+ writel(data[i], &i2c->iicds);
ReadWriteByte();
i++;
}
} else {
- writel(chip, &i2c->IICDS);
+ writel(chip, &i2c->iicds);
/* send START */
writel(I2C_MODE_MT | I2C_TXRX_ENA | I2C_START_STOP,
- &i2c->IICSTAT);
+ &i2c->iicstat);
i = 0;
while ((i < data_len) && (result = I2C_OK)) {
result = WaitForXfer();
- writel(data[i], &i2c->IICDS);
+ writel(data[i], &i2c->iicds);
ReadWriteByte();
i++;
}
@@ -268,42 +268,42 @@ int i2c_transfer(unsigned char cmd_type,
result = WaitForXfer();
/* send STOP */
- writel(I2C_MODE_MR | I2C_TXRX_ENA, &i2c->IICSTAT);
+ writel(I2C_MODE_MR | I2C_TXRX_ENA, &i2c->iicstat);
ReadWriteByte();
break;
case I2C_READ:
if (addr && addr_len) {
- writel(I2C_MODE_MT | I2C_TXRX_ENA, &i2c->IICSTAT);
- writel(chip, &i2c->IICDS);
+ writel(I2C_MODE_MT | I2C_TXRX_ENA, &i2c->iicstat);
+ writel(chip, &i2c->iicds);
/* send START */
- writel(readl(&i2c->IICSTAT) | I2C_START_STOP,
- &i2c->IICSTAT);
+ writel(readl(&i2c->iicstat) | I2C_START_STOP,
+ &i2c->iicstat);
result = WaitForXfer();
if (IsACK()) {
i = 0;
while ((i < addr_len) && (result == I2C_OK)) {
- writel(addr[i], &i2c->IICDS);
+ writel(addr[i], &i2c->iicds);
ReadWriteByte();
result = WaitForXfer();
i++;
}
- writel(chip, &i2c->IICDS);
+ writel(chip, &i2c->iicds);
/* resend START */
writel(I2C_MODE_MR | I2C_TXRX_ENA |
- I2C_START_STOP, &i2c->IICSTAT);
+ I2C_START_STOP, &i2c->iicstat);
ReadWriteByte();
result = WaitForXfer();
i = 0;
while ((i < data_len) && (result == I2C_OK)) {
/* disable ACK for final READ */
if (i == data_len - 1)
- writel(readl(&i2c->IICCON)
- & ~0x80, &i2c->IICCON);
+ writel(readl(&i2c->iiccon)
+ & ~0x80, &i2c->iiccon);
ReadWriteByte();
result = WaitForXfer();
- data[i] = readl(&i2c->IICDS);
+ data[i] = readl(&i2c->iicds);
i++;
}
} else {
@@ -311,11 +311,11 @@ int i2c_transfer(unsigned char cmd_type,
}
} else {
- writel(I2C_MODE_MR | I2C_TXRX_ENA, &i2c->IICSTAT);
- writel(chip, &i2c->IICDS);
+ writel(I2C_MODE_MR | I2C_TXRX_ENA, &i2c->iicstat);
+ writel(chip, &i2c->iicds);
/* send START */
- writel(readl(&i2c->IICSTAT) | I2C_START_STOP,
- &i2c->IICSTAT);
+ writel(readl(&i2c->iicstat) | I2C_START_STOP,
+ &i2c->iicstat);
result = WaitForXfer();
if (IsACK()) {
@@ -323,11 +323,11 @@ int i2c_transfer(unsigned char cmd_type,
while ((i < data_len) && (result == I2C_OK)) {
/* disable ACK for final READ */
if (i == data_len - 1)
- writel(readl(&i2c->IICCON) &
- ~0x80, &i2c->IICCON);
+ writel(readl(&i2c->iiccon) &
+ ~0x80, &i2c->iiccon);
ReadWriteByte();
result = WaitForXfer();
- data[i] = readl(&i2c->IICDS);
+ data[i] = readl(&i2c->iicds);
i++;
}
} else {
@@ -336,7 +336,7 @@ int i2c_transfer(unsigned char cmd_type,
}
/* send STOP */
- writel(I2C_MODE_MR | I2C_TXRX_ENA, &i2c->IICSTAT);
+ writel(I2C_MODE_MR | I2C_TXRX_ENA, &i2c->iicstat);
ReadWriteByte();
break;
generated by cgit v1.1 at 2024-11-22 00:42:35 +0000