lcd: split configuration_get_cmap

configuration_get_cmap() is multiple platform-specific functions stuffed into
one function. Split it into multiple versions, and move each version to the
appropriate driver to reduce the #ifdef complexity.

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Bo Shen <voice.shen@atmel.com>
Tested-by: Josh Wu <josh.wu@atmel.com>
Cc: Bo Shen <voice.shen@atmel.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Anatolij Gustschin <agust@denx.de>

common/lcd.c

@@ -383,25 +383,6 @@ int lcd_getbgcolor(void)
 /************************************************************************/
 /* ** Chipset depending Bitmap / Logo stuff...                          */
 /************************************************************************/
-static inline ushort *configuration_get_cmap(void)
-{
-#if defined CONFIG_CPU_PXA
-	struct pxafb_info *fbi = &panel_info.pxa;
-	return (ushort *)fbi->palette;
-#elif defined(CONFIG_MPC823)
-	immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
-	cpm8xx_t *cp = &(immr->im_cpm);
-	return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]);
-#elif defined(CONFIG_ATMEL_LCD)
-	return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0));
-#elif !defined(CONFIG_ATMEL_HLCD) && !defined(CONFIG_EXYNOS_FB)
-	return panel_info.cmap;
-#elif defined(CONFIG_LCD_LOGO)
-	return bmp_logo_palette;
-#else
-	return NULL;
-#endif
-}
 
 #ifdef CONFIG_LCD_LOGO
 void bitmap_plot(int x, int y)

drivers/video/atmel_hlcdfb.c

@@ -13,6 +13,10 @@
 #include <lcd.h>
 #include <atmel_hlcdc.h>
 
+#if defined(CONFIG_LCD_LOGO)
+#include <bmp_logo.h>
+#endif
+
 /* configurable parameters */
 #define ATMEL_LCDC_CVAL_DEFAULT		0xc8
 #define ATMEL_LCDC_DMA_BURST_LEN	8
@@ -37,6 +41,15 @@ void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue)
 		panel_info.mmio + ATMEL_LCDC_LUT(regno));
 }
 
+ushort *configuration_get_cmap(void)
+{
+#if defined(CONFIG_LCD_LOGO)
+	return bmp_logo_palette;
+#else
+	return NULL;
+#endif
+}
+
 void lcd_ctrl_init(void *lcdbase)
 {
 	unsigned long value;

drivers/video/atmel_lcdfb.c

@@ -29,6 +29,11 @@
 #define lcdc_readl(mmio, reg)		__raw_readl((mmio)+(reg))
 #define lcdc_writel(mmio, reg, val)	__raw_writel((val), (mmio)+(reg))
 
+ushort *configuration_get_cmap(void)
+{
+	return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0));
+}
+
 void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue)
 {
 #if defined(CONFIG_ATMEL_LCD_BGR555)

drivers/video/exynos_fb.c

@@ -37,6 +37,15 @@ vidinfo_t panel_info  = {
 };
 #endif
 
+ushort *configuration_get_cmap(void)
+{
+#if defined(CONFIG_LCD_LOGO)
+	return bmp_logo_palette;
+#else
+	return NULL;
+#endif
+}
+
 static void exynos_lcd_init_mem(void *lcdbase, vidinfo_t *vid)
 {
 	unsigned long palette_size;

drivers/video/mpc8xx_lcd.c

@@ -357,6 +357,13 @@ lcd_setcolreg (ushort regno, ushort red, ushort green, ushort blue)
 
 /*----------------------------------------------------------------------*/
 
+ushort *configuration_get_cmap(void)
+{
+	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
+	cpm8xx_t *cp = &(immr->im_cpm);
+	return (ushort *)&(cp->lcd_cmap[255 * sizeof(ushort)]);
+}
+
 void lcd_enable (void)
 {
 	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;

drivers/video/pxa_lcd.c

@@ -342,6 +342,12 @@ static int pxafb_init (vidinfo_t *vid);
 /* ---------------  PXA chipset specific functions  ------------------- */
 /************************************************************************/
 
+ushort *configuration_get_cmap(void)
+{
+	struct pxafb_info *fbi = &panel_info.pxa;
+	return (ushort *)fbi->palette;
+}
+
 void lcd_ctrl_init (void *lcdbase)
 {
 	pxafb_init_mem(lcdbase, &panel_info);

include/lcd.h

@@ -60,8 +60,15 @@ typedef struct vidinfo {
 
 	void	*priv;		/* Pointer to driver-specific data */
 } vidinfo_t;
+
+static __maybe_unused ushort *configuration_get_cmap(void)
+{
+	return panel_info.cmap;
+}
 #endif
 
+ushort *configuration_get_cmap(void);
+
 extern vidinfo_t panel_info;
 
 /* Video functions */