On Sat, Sep 22, 2012 at 08:26:44PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> This IP is present on the at91sam9 until the sam9g45, on the sam9x5 we use a
> new IP.
>
> This driver is based on the linux one.
>
> +
> +/* Way LCD wires are connected to the chip:
> + * Some Atmel chips use BGR color mode (instead of standard RGB)
> + * A swapped wiring onboard can bring to RGB mode.
> + */
> +#define ATMEL_LCDC_WIRING_BGR 0
> +#define ATMEL_LCDC_WIRING_RGB 1
> +#define ATMEL_LCDC_WIRING_RGB555 2
> +
> +
> + /* LCD Controller info data structure, stored in device platform_data */
> +struct atmel_lcdfb_info {
> + struct fb_info *info;
> + void __iomem *mmio;
> + struct device_d *device;
> +
> + unsigned int guard_time;
> + unsigned int smem_len;
> + struct clk *bus_clk;
> + struct clk *lcdc_clk;
> +
> + bool lcdcon_is_backlight;
> + bool lcdcon_pol_negative;
> + u8 saved_lcdcon;
> +
> + u8 default_bpp;
> + u8 lcd_wiring_mode;
> + unsigned int default_lcdcon2;
> + unsigned int default_dmacon;
> + void (*atmel_lcdfb_power_control)(int on);
> + struct fb_videomode *mode_list;
> + unsigned num_modes;
> + u32 pseudo_palette[16];
> +};
Honestly, Passing in the driver internal data as platform_data is completely
rubbish. If you want to have it the-same-like-in-Linux, then fix it in Linux
first.
Sascha
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