1/* 2 * Copyright (C) 2009 Texas Instruments Inc 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 * 18 * vpss - video processing subsystem module header file. 19 * 20 * Include this header file if a driver needs to configure vpss system 21 * module. It exports a set of library functions for video drivers to 22 * configure vpss system module functions such as clock enable/disable, 23 * vpss interrupt mux to arm, and other common vpss system module 24 * functions. 25 */ 26#ifndef _VPSS_H 27#define _VPSS_H 28 29/* selector for ccdc input selection on DM355 */ 30enum vpss_ccdc_source_sel { 31 VPSS_CCDCIN, 32 VPSS_HSSIIN, 33 VPSS_PGLPBK, /* for DM365 only */ 34 VPSS_CCDCPG /* for DM365 only */ 35}; 36 37struct vpss_sync_pol { 38 unsigned int ccdpg_hdpol:1; 39 unsigned int ccdpg_vdpol:1; 40}; 41 42struct vpss_pg_frame_size { 43 short hlpfr; 44 short pplen; 45}; 46 47/* Used for enable/disable VPSS Clock */ 48enum vpss_clock_sel { 49 /* DM355/DM365 */ 50 VPSS_CCDC_CLOCK, 51 VPSS_IPIPE_CLOCK, 52 VPSS_H3A_CLOCK, 53 VPSS_CFALD_CLOCK, 54 /* 55 * When using VPSS_VENC_CLOCK_SEL in vpss_enable_clock() api 56 * following applies:- 57 * en = 0 selects ENC_CLK 58 * en = 1 selects ENC_CLK/2 59 */ 60 VPSS_VENC_CLOCK_SEL, 61 VPSS_VPBE_CLOCK, 62 /* DM365 only clocks */ 63 VPSS_IPIPEIF_CLOCK, 64 VPSS_RSZ_CLOCK, 65 VPSS_BL_CLOCK, 66 /* 67 * When using VPSS_PCLK_INTERNAL in vpss_enable_clock() api 68 * following applies:- 69 * en = 0 disable internal PCLK 70 * en = 1 enables internal PCLK 71 */ 72 VPSS_PCLK_INTERNAL, 73 /* 74 * When using VPSS_PSYNC_CLOCK_SEL in vpss_enable_clock() api 75 * following applies:- 76 * en = 0 enables MMR clock 77 * en = 1 enables VPSS clock 78 */ 79 VPSS_PSYNC_CLOCK_SEL, 80 VPSS_LDC_CLOCK_SEL, 81 VPSS_OSD_CLOCK_SEL, 82 VPSS_FDIF_CLOCK, 83 VPSS_LDC_CLOCK 84}; 85 86/* select input to ccdc on dm355 */ 87int vpss_select_ccdc_source(enum vpss_ccdc_source_sel src_sel); 88/* enable/disable a vpss clock, 0 - success, -1 - failure */ 89int vpss_enable_clock(enum vpss_clock_sel clock_sel, int en); 90/* set sync polarity, only for DM365*/ 91void dm365_vpss_set_sync_pol(struct vpss_sync_pol); 92/* set the PG_FRAME_SIZE register, only for DM365 */ 93void dm365_vpss_set_pg_frame_size(struct vpss_pg_frame_size); 94 95/* wbl reset for dm644x */ 96enum vpss_wbl_sel { 97 VPSS_PCR_AEW_WBL_0 = 16, 98 VPSS_PCR_AF_WBL_0, 99 VPSS_PCR_RSZ4_WBL_0, 100 VPSS_PCR_RSZ3_WBL_0, 101 VPSS_PCR_RSZ2_WBL_0, 102 VPSS_PCR_RSZ1_WBL_0, 103 VPSS_PCR_PREV_WBL_0, 104 VPSS_PCR_CCDC_WBL_O, 105}; 106/* clear wbl overflow flag for DM6446 */ 107int vpss_clear_wbl_overflow(enum vpss_wbl_sel wbl_sel); 108 109/* set sync polarity*/ 110void vpss_set_sync_pol(struct vpss_sync_pol sync); 111/* set the PG_FRAME_SIZE register */ 112void vpss_set_pg_frame_size(struct vpss_pg_frame_size frame_size); 113/* 114 * vpss_check_and_clear_interrupt - check and clear interrupt 115 * @irq - common enumerator for IRQ 116 * 117 * Following return values used:- 118 * 0 - interrupt occurred and cleared 119 * 1 - interrupt not occurred 120 * 2 - interrupt status not available 121 */ 122int vpss_dma_complete_interrupt(void); 123 124#endif 125