1 /* 2 * drivers/media/i2c/smiapp/smiapp-quirk.h 3 * 4 * Generic driver for SMIA/SMIA++ compliant camera modules 5 * 6 * Copyright (C) 2011--2012 Nokia Corporation 7 * Contact: Sakari Ailus <sakari.ailus@iki.fi> 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * version 2 as published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 21 * 02110-1301 USA 22 * 23 */ 24 25 #ifndef __SMIAPP_QUIRK__ 26 #define __SMIAPP_QUIRK__ 27 28 struct smiapp_sensor; 29 30 /** 31 * struct smiapp_quirk - quirks for sensors that deviate from SMIA++ standard 32 * 33 * @limits: Replace sensor->limits with values which can't be read from 34 * sensor registers. Called the first time the sensor is powered up. 35 * @post_poweron: Called always after the sensor has been fully powered on. 36 * @pre_streamon: Called just before streaming is enabled. 37 * @post_streamon: Called right after stopping streaming. 38 */ 39 struct smiapp_quirk { 40 int (*limits)(struct smiapp_sensor *sensor); 41 int (*post_poweron)(struct smiapp_sensor *sensor); 42 int (*pre_streamon)(struct smiapp_sensor *sensor); 43 int (*post_streamoff)(struct smiapp_sensor *sensor); 44 const struct smia_reg *regs; 45 unsigned long flags; 46 }; 47 48 /* op pix clock is for all lanes in total normally */ 49 #define SMIAPP_QUIRK_FLAG_OP_PIX_CLOCK_PER_LANE (1 << 0) 50 #define SMIAPP_QUIRK_FLAG_8BIT_READ_ONLY (1 << 1) 51 52 struct smiapp_reg_8 { 53 u16 reg; 54 u8 val; 55 }; 56 57 void smiapp_replace_limit(struct smiapp_sensor *sensor, 58 u32 limit, u32 val); 59 bool smiapp_quirk_reg(struct smiapp_sensor *sensor, 60 u32 reg, u32 *val); 61 62 #define SMIAPP_MK_QUIRK_REG(_reg, _val) \ 63 { \ 64 .type = (_reg >> 16), \ 65 .reg = (u16)_reg, \ 66 .val = _val, \ 67 } 68 69 #define smiapp_call_quirk(_sensor, _quirk, ...) \ 70 (_sensor->minfo.quirk && \ 71 _sensor->minfo.quirk->_quirk ? \ 72 _sensor->minfo.quirk->_quirk(_sensor, ##__VA_ARGS__) : 0) 73 74 #define smiapp_needs_quirk(_sensor, _quirk) \ 75 (_sensor->minfo.quirk ? \ 76 _sensor->minfo.quirk->flags & _quirk : 0) 77 78 extern const struct smiapp_quirk smiapp_jt8ev1_quirk; 79 extern const struct smiapp_quirk smiapp_imx125es_quirk; 80 extern const struct smiapp_quirk smiapp_jt8ew9_quirk; 81 extern const struct smiapp_quirk smiapp_tcm8500md_quirk; 82 83 #endif /* __SMIAPP_QUIRK__ */ 84