112 строки
2.8 KiB
C
112 строки
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Copyright (C) 2009 Texas Instruments Inc
|
|
*
|
|
* vpss - video processing subsystem module header file.
|
|
*
|
|
* Include this header file if a driver needs to configure vpss system
|
|
* module. It exports a set of library functions for video drivers to
|
|
* configure vpss system module functions such as clock enable/disable,
|
|
* vpss interrupt mux to arm, and other common vpss system module
|
|
* functions.
|
|
*/
|
|
#ifndef _VPSS_H
|
|
#define _VPSS_H
|
|
|
|
/* selector for ccdc input selection on DM355 */
|
|
enum vpss_ccdc_source_sel {
|
|
VPSS_CCDCIN,
|
|
VPSS_HSSIIN,
|
|
VPSS_PGLPBK, /* for DM365 only */
|
|
VPSS_CCDCPG /* for DM365 only */
|
|
};
|
|
|
|
struct vpss_sync_pol {
|
|
unsigned int ccdpg_hdpol:1;
|
|
unsigned int ccdpg_vdpol:1;
|
|
};
|
|
|
|
struct vpss_pg_frame_size {
|
|
short hlpfr;
|
|
short pplen;
|
|
};
|
|
|
|
/* Used for enable/disable VPSS Clock */
|
|
enum vpss_clock_sel {
|
|
/* DM355/DM365 */
|
|
VPSS_CCDC_CLOCK,
|
|
VPSS_IPIPE_CLOCK,
|
|
VPSS_H3A_CLOCK,
|
|
VPSS_CFALD_CLOCK,
|
|
/*
|
|
* When using VPSS_VENC_CLOCK_SEL in vpss_enable_clock() api
|
|
* following applies:-
|
|
* en = 0 selects ENC_CLK
|
|
* en = 1 selects ENC_CLK/2
|
|
*/
|
|
VPSS_VENC_CLOCK_SEL,
|
|
VPSS_VPBE_CLOCK,
|
|
/* DM365 only clocks */
|
|
VPSS_IPIPEIF_CLOCK,
|
|
VPSS_RSZ_CLOCK,
|
|
VPSS_BL_CLOCK,
|
|
/*
|
|
* When using VPSS_PCLK_INTERNAL in vpss_enable_clock() api
|
|
* following applies:-
|
|
* en = 0 disable internal PCLK
|
|
* en = 1 enables internal PCLK
|
|
*/
|
|
VPSS_PCLK_INTERNAL,
|
|
/*
|
|
* When using VPSS_PSYNC_CLOCK_SEL in vpss_enable_clock() api
|
|
* following applies:-
|
|
* en = 0 enables MMR clock
|
|
* en = 1 enables VPSS clock
|
|
*/
|
|
VPSS_PSYNC_CLOCK_SEL,
|
|
VPSS_LDC_CLOCK_SEL,
|
|
VPSS_OSD_CLOCK_SEL,
|
|
VPSS_FDIF_CLOCK,
|
|
VPSS_LDC_CLOCK
|
|
};
|
|
|
|
/* select input to ccdc on dm355 */
|
|
int vpss_select_ccdc_source(enum vpss_ccdc_source_sel src_sel);
|
|
/* enable/disable a vpss clock, 0 - success, -1 - failure */
|
|
int vpss_enable_clock(enum vpss_clock_sel clock_sel, int en);
|
|
/* set sync polarity, only for DM365*/
|
|
void dm365_vpss_set_sync_pol(struct vpss_sync_pol);
|
|
/* set the PG_FRAME_SIZE register, only for DM365 */
|
|
void dm365_vpss_set_pg_frame_size(struct vpss_pg_frame_size);
|
|
|
|
/* wbl reset for dm644x */
|
|
enum vpss_wbl_sel {
|
|
VPSS_PCR_AEW_WBL_0 = 16,
|
|
VPSS_PCR_AF_WBL_0,
|
|
VPSS_PCR_RSZ4_WBL_0,
|
|
VPSS_PCR_RSZ3_WBL_0,
|
|
VPSS_PCR_RSZ2_WBL_0,
|
|
VPSS_PCR_RSZ1_WBL_0,
|
|
VPSS_PCR_PREV_WBL_0,
|
|
VPSS_PCR_CCDC_WBL_O,
|
|
};
|
|
/* clear wbl overflow flag for DM6446 */
|
|
int vpss_clear_wbl_overflow(enum vpss_wbl_sel wbl_sel);
|
|
|
|
/* set sync polarity*/
|
|
void vpss_set_sync_pol(struct vpss_sync_pol sync);
|
|
/* set the PG_FRAME_SIZE register */
|
|
void vpss_set_pg_frame_size(struct vpss_pg_frame_size frame_size);
|
|
/*
|
|
* vpss_check_and_clear_interrupt - check and clear interrupt
|
|
* @irq - common enumerator for IRQ
|
|
*
|
|
* Following return values used:-
|
|
* 0 - interrupt occurred and cleared
|
|
* 1 - interrupt not occurred
|
|
* 2 - interrupt status not available
|
|
*/
|
|
int vpss_dma_complete_interrupt(void);
|
|
|
|
#endif
|