From: Sascha Hauer <s.hauer@pengutronix.de>
To: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: barebox@lists.infradead.org, Nicolas Ferre <nicolas.ferre@atmel.com>
Subject: Re: [PATCH 1/5] video: add atmel lcdc frambuffer support
Date: Sun, 23 Sep 2012 13:00:00 +0200 [thread overview]
Message-ID: <20120923110000.GJ1322@pengutronix.de> (raw)
In-Reply-To: <1348338408-26737-1-git-send-email-plagnioj@jcrosoft.com>
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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next prev parent reply other threads:[~2012-09-23 11:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-22 17:53 [PATCH 0/5 v2] at91 framebuffer support Jean-Christophe PLAGNIOL-VILLARD
2012-09-22 18:26 ` [PATCH 1/5] video: add atmel lcdc frambuffer support Jean-Christophe PLAGNIOL-VILLARD
2012-09-22 18:26 ` [PATCH 2/5] at91sam9263: " Jean-Christophe PLAGNIOL-VILLARD
2012-09-22 18:26 ` [PATCH 3/5] at91sam9261: " Jean-Christophe PLAGNIOL-VILLARD
2012-09-22 18:26 ` [PATCH 4/5] at91sam9g45: " Jean-Christophe PLAGNIOL-VILLARD
2012-09-22 18:26 ` [PATCH 5/5] at91sam9m10g45ek: add lcdc support Jean-Christophe PLAGNIOL-VILLARD
2012-09-25 8:09 ` Sascha Hauer
2012-09-25 10:19 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-25 10:39 ` Sascha Hauer
2012-09-23 11:00 ` Sascha Hauer [this message]
2012-09-23 13:22 ` [PATCH 1/5] video: add atmel lcdc frambuffer support Jean-Christophe PLAGNIOL-VILLARD
-- strict thread matches above, loose matches on Subject: below --
2012-09-21 12:51 [PATCH 0/5] at91 framebuffer support Jean-Christophe PLAGNIOL-VILLARD
2012-09-21 12:55 ` [PATCH 1/5] video: add atmel lcdc frambuffer support Jean-Christophe PLAGNIOL-VILLARD
2012-09-22 10:34 ` Sascha Hauer
2012-09-22 16:11 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-22 17:44 ` Jean-Christophe PLAGNIOL-VILLARD
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