diff options
Diffstat (limited to 'drivers/staging/sm750fb/ddk750_hwi2c.c')
| -rw-r--r-- | drivers/staging/sm750fb/ddk750_hwi2c.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/staging/sm750fb/ddk750_hwi2c.c b/drivers/staging/sm750fb/ddk750_hwi2c.c index 05d4a73aa1d4..68716ef7cb06 100644 --- a/drivers/staging/sm750fb/ddk750_hwi2c.c +++ b/drivers/staging/sm750fb/ddk750_hwi2c.c @@ -15,10 +15,10 @@ unsigned char bus_speed_mode unsigned int value; /* Enable GPIO 30 & 31 as IIC clock & data */ - value = PEEK32(GPIO_MUX); + value = peek32(GPIO_MUX); value |= (GPIO_MUX_30 | GPIO_MUX_31); - POKE32(GPIO_MUX, value); + poke32(GPIO_MUX, value); /* * Enable Hardware I2C power. @@ -27,11 +27,11 @@ unsigned char bus_speed_mode sm750_enable_i2c(1); /* Enable the I2C Controller and set the bus speed mode */ - value = PEEK32(I2C_CTRL) & ~(I2C_CTRL_MODE | I2C_CTRL_EN); + value = peek32(I2C_CTRL) & ~(I2C_CTRL_MODE | I2C_CTRL_EN); if (bus_speed_mode) value |= I2C_CTRL_MODE; value |= I2C_CTRL_EN; - POKE32(I2C_CTRL, value); + poke32(I2C_CTRL, value); return 0; } @@ -41,17 +41,17 @@ void sm750_hw_i2c_close(void) unsigned int value; /* Disable I2C controller */ - value = PEEK32(I2C_CTRL) & ~I2C_CTRL_EN; - POKE32(I2C_CTRL, value); + value = peek32(I2C_CTRL) & ~I2C_CTRL_EN; + poke32(I2C_CTRL, value); /* Disable I2C Power */ sm750_enable_i2c(0); /* Set GPIO 30 & 31 back as GPIO pins */ - value = PEEK32(GPIO_MUX); + value = peek32(GPIO_MUX); value &= ~GPIO_MUX_30; value &= ~GPIO_MUX_31; - POKE32(GPIO_MUX, value); + poke32(GPIO_MUX, value); } static long hw_i2c_wait_tx_done(void) @@ -60,7 +60,7 @@ static long hw_i2c_wait_tx_done(void) /* Wait until the transfer is completed. */ timeout = HWI2C_WAIT_TIMEOUT; - while (!(PEEK32(I2C_STATUS) & I2C_STATUS_TX) && (timeout != 0)) + while (!(peek32(I2C_STATUS) & I2C_STATUS_TX) && (timeout != 0)) timeout--; if (timeout == 0) @@ -91,7 +91,7 @@ static unsigned int hw_i2c_write_data( unsigned int total_bytes = 0; /* Set the Device Address */ - POKE32(I2C_SLAVE_ADDRESS, addr & ~0x01); + poke32(I2C_SLAVE_ADDRESS, addr & ~0x01); /* * Write data. @@ -103,21 +103,21 @@ static unsigned int hw_i2c_write_data( * Reset I2C by writing 0 to I2C_RESET register to * clear the previous status. */ - POKE32(I2C_RESET, 0); + poke32(I2C_RESET, 0); /* Set the number of bytes to be written */ if (length < MAX_HWI2C_FIFO) count = length - 1; else count = MAX_HWI2C_FIFO - 1; - POKE32(I2C_BYTE_COUNT, count); + poke32(I2C_BYTE_COUNT, count); /* Move the data to the I2C data register */ for (i = 0; i <= count; i++) - POKE32(I2C_DATA0 + i, *buf++); + poke32(I2C_DATA0 + i, *buf++); /* Start the I2C */ - POKE32(I2C_CTRL, PEEK32(I2C_CTRL) | I2C_CTRL_CTRL); + poke32(I2C_CTRL, peek32(I2C_CTRL) | I2C_CTRL_CTRL); /* Wait until the transfer is completed. */ if (hw_i2c_wait_tx_done() != 0) @@ -158,7 +158,7 @@ static unsigned int hw_i2c_read_data( unsigned int total_bytes = 0; /* Set the Device Address */ - POKE32(I2C_SLAVE_ADDRESS, addr | 0x01); + poke32(I2C_SLAVE_ADDRESS, addr | 0x01); /* * Read data and save them to the buffer. @@ -170,17 +170,17 @@ static unsigned int hw_i2c_read_data( * Reset I2C by writing 0 to I2C_RESET register to * clear all the status. */ - POKE32(I2C_RESET, 0); + poke32(I2C_RESET, 0); /* Set the number of bytes to be read */ if (length <= MAX_HWI2C_FIFO) count = length - 1; else count = MAX_HWI2C_FIFO - 1; - POKE32(I2C_BYTE_COUNT, count); + poke32(I2C_BYTE_COUNT, count); /* Start the I2C */ - POKE32(I2C_CTRL, PEEK32(I2C_CTRL) | I2C_CTRL_CTRL); + poke32(I2C_CTRL, peek32(I2C_CTRL) | I2C_CTRL_CTRL); /* Wait until transaction done. */ if (hw_i2c_wait_tx_done() != 0) @@ -188,7 +188,7 @@ static unsigned int hw_i2c_read_data( /* Save the data to the given buffer */ for (i = 0; i <= count; i++) - *buf++ = PEEK32(I2C_DATA0 + i); + *buf++ = peek32(I2C_DATA0 + i); /* Subtract length by 16 */ length -= (count + 1); |