David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 1 | /* |
| 2 | * ispstat.h |
| 3 | * |
| 4 | * TI OMAP3 ISP - Statistics core |
| 5 | * |
| 6 | * Copyright (C) 2010 Nokia Corporation |
| 7 | * Copyright (C) 2009 Texas Instruments, Inc |
| 8 | * |
| 9 | * Contacts: David Cohen <dacohen@gmail.com> |
| 10 | * Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| 11 | * Sakari Ailus <sakari.ailus@iki.fi> |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify |
| 14 | * it under the terms of the GNU General Public License version 2 as |
| 15 | * published by the Free Software Foundation. |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 16 | */ |
| 17 | |
| 18 | #ifndef OMAP3_ISP_STAT_H |
| 19 | #define OMAP3_ISP_STAT_H |
| 20 | |
| 21 | #include <linux/types.h> |
| 22 | #include <linux/omap3isp.h> |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 23 | #include <media/v4l2-event.h> |
| 24 | |
| 25 | #include "isp.h" |
| 26 | #include "ispvideo.h" |
| 27 | |
| 28 | #define STAT_MAX_BUFS 5 |
| 29 | #define STAT_NEVENTS 8 |
| 30 | |
| 31 | #define STAT_BUF_DONE 0 /* Buffer is ready */ |
| 32 | #define STAT_NO_BUF 1 /* An error has occurred */ |
| 33 | #define STAT_BUF_WAITING_DMA 2 /* Histogram only: DMA is running */ |
| 34 | |
Laurent Pinchart | 0ff4e41 | 2015-02-21 17:59:54 -0300 | [diff] [blame] | 35 | struct dma_chan; |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 36 | struct ispstat; |
| 37 | |
| 38 | struct ispstat_buffer { |
Laurent Pinchart | 0e24e90 | 2014-01-02 20:06:08 -0300 | [diff] [blame] | 39 | struct sg_table sgt; |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 40 | void *virt_addr; |
| 41 | dma_addr_t dma_addr; |
Arnd Bergmann | 378e3f8 | 2018-04-25 17:30:10 -0400 | [diff] [blame] | 42 | struct timespec64 ts; |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 43 | u32 buf_size; |
| 44 | u32 frame_number; |
| 45 | u16 config_counter; |
| 46 | u8 empty; |
| 47 | }; |
| 48 | |
| 49 | struct ispstat_ops { |
| 50 | /* |
| 51 | * Validate new params configuration. |
| 52 | * new_conf->buf_size value must be changed to the exact buffer size |
| 53 | * necessary for the new configuration if it's smaller. |
| 54 | */ |
| 55 | int (*validate_params)(struct ispstat *stat, void *new_conf); |
| 56 | |
| 57 | /* |
| 58 | * Save new params configuration. |
| 59 | * stat->priv->buf_size value must be set to the exact buffer size for |
| 60 | * the new configuration. |
| 61 | * stat->update is set to 1 if new configuration is different than |
| 62 | * current one. |
| 63 | */ |
| 64 | void (*set_params)(struct ispstat *stat, void *new_conf); |
| 65 | |
| 66 | /* Apply stored configuration. */ |
| 67 | void (*setup_regs)(struct ispstat *stat, void *priv); |
| 68 | |
| 69 | /* Enable/Disable module. */ |
| 70 | void (*enable)(struct ispstat *stat, int enable); |
| 71 | |
| 72 | /* Verify is module is busy. */ |
| 73 | int (*busy)(struct ispstat *stat); |
| 74 | |
| 75 | /* Used for specific operations during generic buf process task. */ |
| 76 | int (*buf_process)(struct ispstat *stat); |
| 77 | }; |
| 78 | |
| 79 | enum ispstat_state_t { |
| 80 | ISPSTAT_DISABLED = 0, |
| 81 | ISPSTAT_DISABLING, |
| 82 | ISPSTAT_ENABLED, |
| 83 | ISPSTAT_ENABLING, |
| 84 | ISPSTAT_SUSPENDED, |
| 85 | }; |
| 86 | |
| 87 | struct ispstat { |
| 88 | struct v4l2_subdev subdev; |
| 89 | struct media_pad pad; /* sink pad */ |
| 90 | |
| 91 | /* Control */ |
| 92 | unsigned configured:1; |
| 93 | unsigned update:1; |
| 94 | unsigned buf_processing:1; |
| 95 | unsigned sbl_ovl_recover:1; |
| 96 | u8 inc_config; |
| 97 | atomic_t buf_err; |
| 98 | enum ispstat_state_t state; /* enabling/disabling state */ |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 99 | struct isp_device *isp; |
| 100 | void *priv; /* pointer to priv config struct */ |
| 101 | void *recover_priv; /* pointer to recover priv configuration */ |
| 102 | struct mutex ioctl_lock; /* serialize private ioctl */ |
| 103 | |
| 104 | const struct ispstat_ops *ops; |
| 105 | |
| 106 | /* Buffer */ |
| 107 | u8 wait_acc_frames; |
| 108 | u16 config_counter; |
| 109 | u32 frame_number; |
| 110 | u32 buf_size; |
| 111 | u32 buf_alloc_size; |
Laurent Pinchart | 0ff4e41 | 2015-02-21 17:59:54 -0300 | [diff] [blame] | 112 | struct dma_chan *dma_ch; |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 113 | unsigned long event_type; |
| 114 | struct ispstat_buffer *buf; |
| 115 | struct ispstat_buffer *active_buf; |
| 116 | struct ispstat_buffer *locked_buf; |
| 117 | }; |
| 118 | |
| 119 | struct ispstat_generic_config { |
| 120 | /* |
| 121 | * Fields must be in the same order as in: |
David Cohen | b5feda9 | 2011-03-01 12:17:40 -0300 | [diff] [blame] | 122 | * - omap3isp_h3a_aewb_config |
| 123 | * - omap3isp_h3a_af_config |
| 124 | * - omap3isp_hist_config |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 125 | */ |
| 126 | u32 buf_size; |
| 127 | u16 config_counter; |
| 128 | }; |
| 129 | |
| 130 | int omap3isp_stat_config(struct ispstat *stat, void *new_conf); |
| 131 | int omap3isp_stat_request_statistics(struct ispstat *stat, |
| 132 | struct omap3isp_stat_data *data); |
Arnd Bergmann | 378e3f8 | 2018-04-25 17:30:10 -0400 | [diff] [blame] | 133 | int omap3isp_stat_request_statistics_time32(struct ispstat *stat, |
| 134 | struct omap3isp_stat_data_time32 *data); |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 135 | int omap3isp_stat_init(struct ispstat *stat, const char *name, |
| 136 | const struct v4l2_subdev_ops *sd_ops); |
Laurent Pinchart | 63b4ca2 | 2011-09-22 16:54:34 -0300 | [diff] [blame] | 137 | void omap3isp_stat_cleanup(struct ispstat *stat); |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 138 | int omap3isp_stat_subscribe_event(struct v4l2_subdev *subdev, |
| 139 | struct v4l2_fh *fh, |
Laurent Pinchart | 55c8504 | 2012-10-12 11:20:10 -0300 | [diff] [blame] | 140 | struct v4l2_event_subscription *sub); |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 141 | int omap3isp_stat_unsubscribe_event(struct v4l2_subdev *subdev, |
| 142 | struct v4l2_fh *fh, |
Laurent Pinchart | 55c8504 | 2012-10-12 11:20:10 -0300 | [diff] [blame] | 143 | struct v4l2_event_subscription *sub); |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 144 | int omap3isp_stat_s_stream(struct v4l2_subdev *subdev, int enable); |
| 145 | |
| 146 | int omap3isp_stat_busy(struct ispstat *stat); |
| 147 | int omap3isp_stat_pcr_busy(struct ispstat *stat); |
| 148 | void omap3isp_stat_suspend(struct ispstat *stat); |
| 149 | void omap3isp_stat_resume(struct ispstat *stat); |
| 150 | int omap3isp_stat_enable(struct ispstat *stat, u8 enable); |
| 151 | void omap3isp_stat_sbl_overflow(struct ispstat *stat); |
| 152 | void omap3isp_stat_isr(struct ispstat *stat); |
| 153 | void omap3isp_stat_isr_frame_sync(struct ispstat *stat); |
| 154 | void omap3isp_stat_dma_isr(struct ispstat *stat); |
| 155 | int omap3isp_stat_register_entities(struct ispstat *stat, |
| 156 | struct v4l2_device *vdev); |
| 157 | void omap3isp_stat_unregister_entities(struct ispstat *stat); |
| 158 | |
| 159 | #endif /* OMAP3_ISP_STAT_H */ |