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/*
* Copyright (C) 2009 Texas Instruments Inc
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* 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