1. 根目录:
2. drivers
3. staging
4. sm750fb
5. ddk750_display.h

#ifndef DDK750_DISPLAY_H__
#define DDK750_DISPLAY_H__

/* panel path select
	80000[29:28]
*/

#define PNL_2_OFFSET 0
#define PNL_2_MASK (3 << PNL_2_OFFSET)
#define PNL_2_USAGE	(PNL_2_MASK << 16)
#define PNL_2_PRI	((0 << PNL_2_OFFSET)|PNL_2_USAGE)
#define PNL_2_SEC	((2 << PNL_2_OFFSET)|PNL_2_USAGE)


/* primary timing & plane enable bit
	1: 80000[8] & 80000[2] on
	0: both off
*/
#define PRI_TP_OFFSET 4
#define PRI_TP_MASK BIT(PRI_TP_OFFSET)
#define PRI_TP_USAGE (PRI_TP_MASK << 16)
#define PRI_TP_ON ((0x1 << PRI_TP_OFFSET)|PRI_TP_USAGE)
#define PRI_TP_OFF ((0x0 << PRI_TP_OFFSET)|PRI_TP_USAGE)


/* panel sequency status
	80000[27:24]
*/
#define PNL_SEQ_OFFSET 6
#define PNL_SEQ_MASK BIT(PNL_SEQ_OFFSET)
#define PNL_SEQ_USAGE (PNL_SEQ_MASK << 16)
#define PNL_SEQ_ON (BIT(PNL_SEQ_OFFSET)|PNL_SEQ_USAGE)
#define PNL_SEQ_OFF ((0 << PNL_SEQ_OFFSET)|PNL_SEQ_USAGE)

/* dual digital output
	80000[19]
*/
#define DUAL_TFT_OFFSET 8
#define DUAL_TFT_MASK BIT(DUAL_TFT_OFFSET)
#define DUAL_TFT_USAGE (DUAL_TFT_MASK << 16)
#define DUAL_TFT_ON (BIT(DUAL_TFT_OFFSET)|DUAL_TFT_USAGE)
#define DUAL_TFT_OFF ((0 << DUAL_TFT_OFFSET)|DUAL_TFT_USAGE)

/* secondary timing & plane enable bit
	1:80200[8] & 80200[2] on
	0: both off
*/
#define SEC_TP_OFFSET 5
#define SEC_TP_MASK BIT(SEC_TP_OFFSET)
#define SEC_TP_USAGE (SEC_TP_MASK << 16)
#define SEC_TP_ON  ((0x1 << SEC_TP_OFFSET)|SEC_TP_USAGE)
#define SEC_TP_OFF ((0x0 << SEC_TP_OFFSET)|SEC_TP_USAGE)

/* crt path select
	80200[19:18]
*/
#define CRT_2_OFFSET 2
#define CRT_2_MASK (3 << CRT_2_OFFSET)
#define CRT_2_USAGE (CRT_2_MASK << 16)
#define CRT_2_PRI ((0x0 << CRT_2_OFFSET)|CRT_2_USAGE)
#define CRT_2_SEC ((0x2 << CRT_2_OFFSET)|CRT_2_USAGE)


/* DAC affect both DVI and DSUB
	4[20]
*/
#define DAC_OFFSET 7
#define DAC_MASK BIT(DAC_OFFSET)
#define DAC_USAGE (DAC_MASK << 16)
#define DAC_ON ((0x0 << DAC_OFFSET)|DAC_USAGE)
#define DAC_OFF ((0x1 << DAC_OFFSET)|DAC_USAGE)

/* DPMS only affect D-SUB head
	0[31:30]
*/
#define DPMS_OFFSET 9
#define DPMS_MASK (3 << DPMS_OFFSET)
#define DPMS_USAGE (DPMS_MASK << 16)
#define DPMS_OFF ((3 << DPMS_OFFSET)|DPMS_USAGE)
#define DPMS_ON ((0 << DPMS_OFFSET)|DPMS_USAGE)



/*
	LCD1 means panel path TFT1  & panel path DVI (so enable DAC)
	CRT means crt path DSUB
*/
typedef enum _disp_output_t {
	do_LCD1_PRI = PNL_2_PRI|PRI_TP_ON|PNL_SEQ_ON|DAC_ON,
	do_LCD1_SEC = PNL_2_SEC|SEC_TP_ON|PNL_SEQ_ON|DAC_ON,
	do_LCD2_PRI = CRT_2_PRI|PRI_TP_ON|DUAL_TFT_ON,
	do_LCD2_SEC = CRT_2_SEC|SEC_TP_ON|DUAL_TFT_ON,
	/*
	do_DSUB_PRI = CRT_2_PRI|PRI_TP_ON|DPMS_ON|DAC_ON,
	do_DSUB_SEC = CRT_2_SEC|SEC_TP_ON|DPMS_ON|DAC_ON,
	*/
	do_CRT_PRI = CRT_2_PRI|PRI_TP_ON|DPMS_ON|DAC_ON,
	do_CRT_SEC = CRT_2_SEC|SEC_TP_ON|DPMS_ON|DAC_ON,
}
disp_output_t;

void ddk750_setLogicalDispOut(disp_output_t);

#endif