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Laurent Pinchart121e9f12011-02-12 18:05:06 -03001/*
2 * ispcsiphy.h
3 *
4 * TI OMAP3 ISP - CSI PHY module
5 *
6 * Copyright (C) 2010 Nokia Corporation
7 * Copyright (C) 2009 Texas Instruments, Inc.
8 *
9 * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
10 * Sakari Ailus <sakari.ailus@iki.fi>
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
24 * 02110-1301 USA
25 */
26
27#ifndef OMAP3_ISP_CSI_PHY_H
28#define OMAP3_ISP_CSI_PHY_H
29
30struct isp_csi2_device;
31struct regulator;
32
33struct csiphy_lane {
34 u8 pos;
35 u8 pol;
36};
37
38#define ISP_CSIPHY2_NUM_DATA_LANES 2
39#define ISP_CSIPHY1_NUM_DATA_LANES 1
40
41struct isp_csiphy_lanes_cfg {
42 struct csiphy_lane data[ISP_CSIPHY2_NUM_DATA_LANES];
43 struct csiphy_lane clk;
44};
45
46struct isp_csiphy_dphy_cfg {
47 u8 ths_term;
48 u8 ths_settle;
49 u8 tclk_term;
50 unsigned tclk_miss:1;
51 u8 tclk_settle;
52};
53
54struct isp_csiphy {
55 struct isp_device *isp;
56 struct mutex mutex; /* serialize csiphy configuration */
57 u8 phy_in_use;
58 struct isp_csi2_device *csi2;
59 struct regulator *vdd;
60
61 /* mem resources - enums as defined in enum isp_mem_resources */
62 unsigned int cfg_regs;
63 unsigned int phy_regs;
64
65 u8 num_data_lanes; /* number of CSI2 Data Lanes supported */
66 struct isp_csiphy_lanes_cfg lanes;
67 struct isp_csiphy_dphy_cfg dphy;
68};
69
70int omap3isp_csiphy_acquire(struct isp_csiphy *phy);
71void omap3isp_csiphy_release(struct isp_csiphy *phy);
72int omap3isp_csiphy_init(struct isp_device *isp);
73
74#endif /* OMAP3_ISP_CSI_PHY_H */