drm/udl: Remove udl_fb.c

# SPDX-License-Identifier: GPL-2.0-only

udl-y := udl_drv.o udl_modeset.o udl_connector.o udl_main.o udl_fb.o udl_transfer.o udl_gem.o

udl-y := udl_drv.o udl_modeset.o udl_connector.o udl_main.o udl_transfer.o udl_gem.o

obj-$(CONFIG_DRM_UDL) := udl.o

// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (C) 2012 Red Hat

 *

 * based in parts on udlfb.c:

 * Copyright (C) 2009 Roberto De Ioris <roberto@unbit.it>

 * Copyright (C) 2009 Jaya Kumar <jayakumar.lkml@gmail.com>

 * Copyright (C) 2009 Bernie Thompson <bernie@plugable.com>

 */

#include <linux/moduleparam.h>

#include "udl_drv.h"

/** Read the red component (0..255) of a 32 bpp colour. */

#define DLO_RGB_GETRED(col) (uint8_t)((col) & 0xFF)

/** Read the green component (0..255) of a 32 bpp colour. */

#define DLO_RGB_GETGRN(col) (uint8_t)(((col) >> 8) & 0xFF)

/** Read the blue component (0..255) of a 32 bpp colour. */

#define DLO_RGB_GETBLU(col) (uint8_t)(((col) >> 16) & 0xFF)

/** Return red/green component of a 16 bpp colour number. */

#define DLO_RG16(red, grn) (uint8_t)((((red) & 0xF8) | ((grn) >> 5)) & 0xFF)

/** Return green/blue component of a 16 bpp colour number. */

#define DLO_GB16(grn, blu) (uint8_t)(((((grn) & 0x1C) << 3) | ((blu) >> 3)) & 0xFF)

/** Return 8 bpp colour number from red, green and blue components. */

#define DLO_RGB8(red, grn, blu) ((((red) << 5) | (((grn) & 3) << 3) | ((blu) & 7)) & 0xFF)

#if 0

static uint8_t rgb8(uint32_t col)

{

	uint8_t red = DLO_RGB_GETRED(col);

	uint8_t grn = DLO_RGB_GETGRN(col);

	uint8_t blu = DLO_RGB_GETBLU(col);

	return DLO_RGB8(red, grn, blu);

}

static uint16_t rgb16(uint32_t col)

{

	uint8_t red = DLO_RGB_GETRED(col);

	uint8_t grn = DLO_RGB_GETGRN(col);

	uint8_t blu = DLO_RGB_GETBLU(col);

	return (DLO_RG16(red, grn) << 8) + DLO_GB16(grn, blu);

}

#endif