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-rw-r--r--include/media/davinci/vpss.h69
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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};
34
35/* Used for enable/diable VPSS Clock */
36enum vpss_clock_sel {
37 /* DM355/DM365 */
38 VPSS_CCDC_CLOCK,
39 VPSS_IPIPE_CLOCK,
40 VPSS_H3A_CLOCK,
41 VPSS_CFALD_CLOCK,
42 /*
43 * When using VPSS_VENC_CLOCK_SEL in vpss_enable_clock() api
44 * following applies:-
45 * en = 0 selects ENC_CLK
46 * en = 1 selects ENC_CLK/2
47 */
48 VPSS_VENC_CLOCK_SEL,
49 VPSS_VPBE_CLOCK,
50};
51
52/* select input to ccdc on dm355 */
53int vpss_select_ccdc_source(enum vpss_ccdc_source_sel src_sel);
54/* enable/disable a vpss clock, 0 - success, -1 - failure */
55int vpss_enable_clock(enum vpss_clock_sel clock_sel, int en);
56
57/* wbl reset for dm644x */
58enum vpss_wbl_sel {
59 VPSS_PCR_AEW_WBL_0 = 16,
60 VPSS_PCR_AF_WBL_0,
61 VPSS_PCR_RSZ4_WBL_0,
62 VPSS_PCR_RSZ3_WBL_0,
63 VPSS_PCR_RSZ2_WBL_0,
64 VPSS_PCR_RSZ1_WBL_0,
65 VPSS_PCR_PREV_WBL_0,
66 VPSS_PCR_CCDC_WBL_O,
67};
68int vpss_clear_wbl_overflow(enum vpss_wbl_sel wbl_sel);
69#endif