inline void s3cfb_spi_set_lcd_data(int ch)
{
gpio_direction_output(S5P_FB_SPI_CLK(ch), 1);
gpio_direction_output(S5P_FB_SPI_MOSI(ch), 1);
gpio_direction_output(S5P_FB_SPI_nSS(ch), 1);
gpio_pullup(S5P_FB_SPI_CLK(ch), S5P_GPIO_PUD_DISABLE);
gpio_pullup(S5P_FB_SPI_MOSI(ch), S5P_GPIO_PUD_DISABLE);
gpio_pullup(S5P_FB_SPI_nSS(ch), S5P_GPIO_PUD_DISABLE);
}
inline void s3cfb_spi_set_lcd_data(int ch)
{
gpio_direction_output(S5P_FB_SPI_CLK(ch), 1);
gpio_direction_output(S5P_FB_SPI_MOSI(ch), 1);
gpio_direction_output(S5P_FB_SPI_CS(ch), 1);
s3c_gpio_setpull(S5P_FB_SPI_CLK(ch), S3C_GPIO_PULL_NONE);
s3c_gpio_setpull(S5P_FB_SPI_MOSI(ch), S3C_GPIO_PULL_NONE);
s3c_gpio_setpull(S5P_FB_SPI_CS(ch), S3C_GPIO_PULL_NONE);
}
int s3cfb_spi_gpio_request(int ch)
{
int err = 0;
if (gpio_is_valid(S5P_FB_SPI_CLK(ch))) {
err = gpio_request(S5P_FB_SPI_CLK(ch), "GPB");
if (err)
goto err_clk;
} else {
err = 1;
goto err_clk;
}
if (gpio_is_valid(S5P_FB_SPI_MOSI(ch))) {
err = gpio_request(S5P_FB_SPI_MOSI(ch), "GPB");
if (err)
goto err_mosi;
} else {
err = 1;
goto err_mosi;
}
if (gpio_is_valid(S5P_FB_SPI_CS(ch))) {
err = gpio_request(S5P_FB_SPI_CS(ch), "GPB");
if (err)
goto err_cs;
} else {
err = 1;
goto err_cs;
}
err_cs:
gpio_free(S5P_FB_SPI_MOSI(ch));
err_mosi:
gpio_free(S5P_FB_SPI_CLK(ch));
err_clk:
return err;
}
inline void s3cfb_spi_lcd_dclk(int ch, int value)
{
gpio_set_value(S5P_FB_SPI_CLK(ch), value);
}
void s3cfb_spi_gpio_free(int ch)
{
gpio_free(S5P_FB_SPI_CLK(ch));
gpio_free(S5P_FB_SPI_MOSI(ch));
gpio_free(S5P_FB_SPI_CS(ch));
}