tv_out.c

来自「最新MTK手机软件源码」· C语言 代码 · 共 1,369 行 · 第 1/5 页

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 /* for engineering mode */

extern MMDI_SCENERIO_ID current_image_data_path_owner;
tv_output_para_struct tv_output_config_data;
kal_uint8 tv_operation_state=TV_IDLE_STATE;

kal_uint8 tv_out_current_fb=0;
kal_uint8 tv_output_owner=TV_OUT_OWNER_NONE;

extern kal_uint8 L1SM_GetHandle(void);
extern void L1SM_SleepEnable(kal_uint8 handle);
extern void L1SM_SleepDisable(kal_uint8 handle);
kal_uint8 tv_sleep_mode_handler=0xFF;

void tv_power_on(void)
{
	kal_uint32 save_irq_mask;

	save_irq_mask=SaveAndSetIRQMask();
	DRV_Reg(DRVPDN_CON0) &= (~DRVPDN_CON0_TPLL);	/* Turn off TV PLL clock */
	DRV_Reg(DRVPDN_CON3) &= (~DRVPDN_CON3_TV);	/* Power on TV module */
	UPLL_Enable(UPLL_OWNER_TV);
	RestoreIRQMask(save_irq_mask);
	tv_operation_state=TV_DETECTION_STATE;

	/* turn on TV DAC */
	ENABLE_TV_HALF_BIAS_POWER;
	ENABLE_TV_DAC2_POWER;
	ENABLE_TV_DAC1_POWER;
	ENABLE_TV_DAC0_POWER;
	ENABLE_TV_BGVREF_POWER;
	ENABLE_TV_DAC_POWER;
	ENABLE_TV_ENCODER;
}	/* tv_power_on() */

void tv_power_off(void)
{
	kal_uint32 save_irq_mask;

	/* turn off TV DAC */
	DISABLE_TV_HALF_BIAS_POWER;
	DISABLE_TV_DAC2_POWER;
	DISABLE_TV_DAC1_POWER;
	DISABLE_TV_DAC0_POWER;
	DISABLE_TV_BGVREF_POWER;
	DISABLE_TV_DAC_POWER;

	DISABLE_TV_ENCODER;
	DISABLE_TV_CONTROLLER;
	RESET_TV_CONTROLLER;
	tv_src_width=0;
	tv_src_height=0;
	save_irq_mask=SaveAndSetIRQMask();
	DRV_Reg(DRVPDN_CON0) |= (DRVPDN_CON0_TPLL);	/* Turn off TV PLL clock */
	DRV_Reg(DRVPDN_CON3) |= (DRVPDN_CON3_TV);	/* Power off TV module */
	UPLL_Disable(UPLL_OWNER_TV);
	RestoreIRQMask(save_irq_mask);
	tv_operation_state=TV_IDLE_STATE;
}	/* tv_power_off() */

kal_bool init_tv(void)
{
	tv_power_on();
	tv_output_owner=TV_OUT_OWNER_MMI;
	tv_output_config_data.tv_output_mode=0;
	tv_output_config_data.tv_output_format=0;
	tv_output_config_data.tv_output_offset_x=0;
	tv_output_config_data.tv_output_offset_y=0;

	/* configure TV encoder mode */
	DISABLE_TV_UV_SWAP;
	DISABLE_TV_BLACKER_MODE;
	DISABLE_TV_HORIZONTAL_SLEW;
	SET_TV_SYDELAY_BIT;
	SET_TV_Y_DELAY(2);
	DISABLE_TV_CHROMA_UP_SAMPLE;
	DISABLE_TV_LUMA_LPF;
	ENABLE_TV_CHROMA_LPF;
	SET_TV_CHROMA_LPF0;

	SET_TV_ENC_SCALE_BLANK(4);

	/* configure TV controller contorl register */
	SET_TV_CON_WRITE_SINGLE_BUFFER;
	DISABLE_TV_CON_BURST_MODE;
	ENABLE_TV_CON_DEEPER_BUFFER;
	ENABLE_TV_CON_FILL_BLACK_PIXEL;
	ENABLE_TV_CON_VERTICAL_INTERPOLATION;
	SET_TV_CON_READ_WRITE_BUFFER;
	*((volatile unsigned int *) 0x806D0050) = 1;

	*((volatile unsigned int *) TV_CON_CTRL_REG) |= 0x40;
	*((volatile unsigned int *) 0x806C0034) = 0x180D0000;

   if (tv_sleep_mode_handler==0xFF)
   	tv_sleep_mode_handler=L1SM_GetHandle();
   L1SM_SleepDisable(tv_sleep_mode_handler);

   return KAL_TRUE;
}	/* init_tv() */

void deinit_tv(void)
{
	tv_power_off();
   L1SM_SleepEnable(tv_sleep_mode_handler);
}	/* deinit_tv() */

kal_bool tv_set_detection(void)
{
	tv_operation_state=TV_STANDBY_STATE;
	return KAL_TRUE;
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}	/* tv_set_detection() */

void set_tv_output_data_format(kal_uint8 data_format)
{
	if (data_format==TV_DATA_YUV420)
	{
		SET_TV_CON_SRC_YUV420;
		tv_output_config_data.tv_output_data_format=TV_DATA_YUV420;
	}
	else if (data_format==TV_DATA_RGB565)
	{
		SET_TV_CON_SRC_RGB565;
		tv_output_config_data.tv_output_data_format=TV_DATA_RGB565;
	}
}	/* set_tv_output_data_format() */

void set_tv_output_mode(tv_output_para_struct *tv_para)
{
	volatile kal_uint32 i;
   kal_uint16 target_width,target_height,offset_x,offset_y;

	if (tv_output_config_data.tv_output_format==tv_para->tv_output_format)
		tv_out_format_change_flag=KAL_FALSE;
	else
		tv_out_format_change_flag=KAL_TRUE;
	tv_output_config_data.tv_output_mode=tv_para->tv_output_mode;
	tv_output_config_data.tv_output_format=tv_para->tv_output_format;
	tv_output_config_data.tv_output_offset_x=tv_para->tv_output_offset_x;
	tv_output_config_data.tv_output_offset_y=tv_para->tv_output_offset_y;

	SET_TV_TYPE(tv_output_config_data.tv_output_format);

	/* configure TV encoder gamma table */
	SET_TV_ENC_GAMMA0_COEFF(tv_gamma_table[tv_gamma_table_sel][0]);
	SET_TV_ENC_GAMMA1_COEFF(tv_gamma_table[tv_gamma_table_sel][1]);
	SET_TV_ENC_GAMMA2_COEFF(tv_gamma_table[tv_gamma_table_sel][2]);
	SET_TV_ENC_GAMMA3_COEFF(tv_gamma_table[tv_gamma_table_sel][3]);
	SET_TV_ENC_GAMMA4_COEFF(tv_gamma_table[tv_gamma_table_sel][4]);
	SET_TV_ENC_GAMMA5_COEFF(tv_gamma_table[tv_gamma_table_sel][5]);
	SET_TV_ENC_GAMMA6_COEFF(tv_gamma_table[tv_gamma_table_sel][6]);
	SET_TV_ENC_GAMMA7_COEFF(tv_gamma_table[tv_gamma_table_sel][7]);
	SET_TV_ENC_GAMMA8_COEFF(tv_gamma_table[tv_gamma_table_sel][8]);

	if (tv_output_config_data.tv_output_format==TV_FORMAT_NTSC)
	{
		DISABLE_TV_7_5_IRE_SETUP;
		target_width=TV_OUTPUT_NTSC_WIDTH;
		target_height=TV_OUTPUT_NTSC_HEIGHT;
		offset_x=TV_OUTPUT_NTSC_OFFSET_X;
		offset_y=TV_OUTPUT_NTSC_OFFSET_Y;
		DRV_WriteReg32(TV_ENC_COLOR_FREQ_CTRL_REG,((3535<<16)|271));
		if (tv_eng_mode==KAL_FALSE)
		{
			SET_TV_ENC_V_SCALE(tv_v_scale_ntsc);
			SET_TV_ENC_U_SCALE(tv_u_scale_ntsc);
		}
		else
		{
			SET_TV_ENC_V_SCALE(tv_engmode_v_scale);
			SET_TV_ENC_U_SCALE(tv_engmode_u_scale);
		}
		REG_TV_ENC_BURST_LEVEL_CTRL=0x3d;
	}
	else
	{
		DISABLE_TV_7_5_IRE_SETUP;
		target_width=TV_OUTPUT_PAL_WIDTH;
		target_height=TV_OUTPUT_PAL_HEIGHT;
		offset_x=TV_OUTPUT_PAL_OFFSET_X;
		offset_y=TV_OUTPUT_PAL_OFFSET_Y;
		DRV_WriteReg32(TV_ENC_COLOR_FREQ_CTRL_REG,((2061<<16)|336));
		if (tv_eng_mode==KAL_FALSE)
		{
			SET_TV_ENC_V_SCALE(tv_v_scale_pal);
			SET_TV_ENC_U_SCALE(tv_u_scale_pal);
		}
		else
		{
			SET_TV_ENC_V_SCALE(tv_engmode_v_scale);
			SET_TV_ENC_U_SCALE(tv_engmode_u_scale);
		}
		REG_TV_ENC_BURST_LEVEL_CTRL=0x3d;
	}
	for (i=0;i<0x60000;i++);
}	/* set_tv_output_mode() */

kal_uint32 get_current_tv_output_buffer(void)
{
	return DRV_Reg32(TV_CON_Y_DATA_ADDR_REG);
}	/* get_current_tv_output_buffer() */

void enable_tv_output(kal_uint8 tv_on)
{
	if (tv_on==KAL_TRUE)
	{	/* start TV output */
		ENABLE_TV_CONTROLLER;
		tv_operation_state=TV_UPDATE_STATE;
	}
	else if (tv_on==KAL_FALSE)
	{	/* stop TV output */
		DISABLE_TV_CONTROLLER;
		tv_operation_state=TV_STANDBY_STATE;
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