Thomas Gleixner | d2912cb | 2019-06-04 10:11:33 +0200 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 2 | /* |
| 3 | * ispstat.h |
| 4 | * |
| 5 | * TI OMAP3 ISP - Statistics core |
| 6 | * |
| 7 | * Copyright (C) 2010 Nokia Corporation |
| 8 | * Copyright (C) 2009 Texas Instruments, Inc |
| 9 | * |
| 10 | * Contacts: David Cohen <dacohen@gmail.com> |
| 11 | * Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| 12 | * Sakari Ailus <sakari.ailus@iki.fi> |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 13 | */ |
| 14 | |
| 15 | #ifndef OMAP3_ISP_STAT_H |
| 16 | #define OMAP3_ISP_STAT_H |
| 17 | |
| 18 | #include <linux/types.h> |
| 19 | #include <linux/omap3isp.h> |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 20 | #include <media/v4l2-event.h> |
| 21 | |
| 22 | #include "isp.h" |
| 23 | #include "ispvideo.h" |
| 24 | |
| 25 | #define STAT_MAX_BUFS 5 |
| 26 | #define STAT_NEVENTS 8 |
| 27 | |
| 28 | #define STAT_BUF_DONE 0 /* Buffer is ready */ |
| 29 | #define STAT_NO_BUF 1 /* An error has occurred */ |
| 30 | #define STAT_BUF_WAITING_DMA 2 /* Histogram only: DMA is running */ |
| 31 | |
Laurent Pinchart | 0ff4e41 | 2015-02-21 17:59:54 -0300 | [diff] [blame] | 32 | struct dma_chan; |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 33 | struct ispstat; |
| 34 | |
| 35 | struct ispstat_buffer { |
Laurent Pinchart | 0e24e90 | 2014-01-02 20:06:08 -0300 | [diff] [blame] | 36 | struct sg_table sgt; |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 37 | void *virt_addr; |
| 38 | dma_addr_t dma_addr; |
Arnd Bergmann | 378e3f8 | 2018-04-25 17:30:10 -0400 | [diff] [blame] | 39 | struct timespec64 ts; |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 40 | u32 buf_size; |
| 41 | u32 frame_number; |
| 42 | u16 config_counter; |
| 43 | u8 empty; |
| 44 | }; |
| 45 | |
| 46 | struct ispstat_ops { |
| 47 | /* |
| 48 | * Validate new params configuration. |
| 49 | * new_conf->buf_size value must be changed to the exact buffer size |
| 50 | * necessary for the new configuration if it's smaller. |
| 51 | */ |
| 52 | int (*validate_params)(struct ispstat *stat, void *new_conf); |
| 53 | |
| 54 | /* |
| 55 | * Save new params configuration. |
| 56 | * stat->priv->buf_size value must be set to the exact buffer size for |
| 57 | * the new configuration. |
| 58 | * stat->update is set to 1 if new configuration is different than |
| 59 | * current one. |
| 60 | */ |
| 61 | void (*set_params)(struct ispstat *stat, void *new_conf); |
| 62 | |
| 63 | /* Apply stored configuration. */ |
| 64 | void (*setup_regs)(struct ispstat *stat, void *priv); |
| 65 | |
| 66 | /* Enable/Disable module. */ |
| 67 | void (*enable)(struct ispstat *stat, int enable); |
| 68 | |
| 69 | /* Verify is module is busy. */ |
| 70 | int (*busy)(struct ispstat *stat); |
| 71 | |
| 72 | /* Used for specific operations during generic buf process task. */ |
| 73 | int (*buf_process)(struct ispstat *stat); |
| 74 | }; |
| 75 | |
| 76 | enum ispstat_state_t { |
| 77 | ISPSTAT_DISABLED = 0, |
| 78 | ISPSTAT_DISABLING, |
| 79 | ISPSTAT_ENABLED, |
| 80 | ISPSTAT_ENABLING, |
| 81 | ISPSTAT_SUSPENDED, |
| 82 | }; |
| 83 | |
| 84 | struct ispstat { |
| 85 | struct v4l2_subdev subdev; |
| 86 | struct media_pad pad; /* sink pad */ |
| 87 | |
| 88 | /* Control */ |
| 89 | unsigned configured:1; |
| 90 | unsigned update:1; |
| 91 | unsigned buf_processing:1; |
| 92 | unsigned sbl_ovl_recover:1; |
| 93 | u8 inc_config; |
| 94 | atomic_t buf_err; |
| 95 | enum ispstat_state_t state; /* enabling/disabling state */ |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 96 | struct isp_device *isp; |
| 97 | void *priv; /* pointer to priv config struct */ |
| 98 | void *recover_priv; /* pointer to recover priv configuration */ |
| 99 | struct mutex ioctl_lock; /* serialize private ioctl */ |
| 100 | |
| 101 | const struct ispstat_ops *ops; |
| 102 | |
| 103 | /* Buffer */ |
| 104 | u8 wait_acc_frames; |
| 105 | u16 config_counter; |
| 106 | u32 frame_number; |
| 107 | u32 buf_size; |
| 108 | u32 buf_alloc_size; |
Laurent Pinchart | 0ff4e41 | 2015-02-21 17:59:54 -0300 | [diff] [blame] | 109 | struct dma_chan *dma_ch; |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 110 | unsigned long event_type; |
| 111 | struct ispstat_buffer *buf; |
| 112 | struct ispstat_buffer *active_buf; |
| 113 | struct ispstat_buffer *locked_buf; |
| 114 | }; |
| 115 | |
| 116 | struct ispstat_generic_config { |
| 117 | /* |
| 118 | * Fields must be in the same order as in: |
David Cohen | b5feda9 | 2011-03-01 12:17:40 -0300 | [diff] [blame] | 119 | * - omap3isp_h3a_aewb_config |
| 120 | * - omap3isp_h3a_af_config |
| 121 | * - omap3isp_hist_config |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 122 | */ |
| 123 | u32 buf_size; |
| 124 | u16 config_counter; |
| 125 | }; |
| 126 | |
| 127 | int omap3isp_stat_config(struct ispstat *stat, void *new_conf); |
| 128 | int omap3isp_stat_request_statistics(struct ispstat *stat, |
| 129 | struct omap3isp_stat_data *data); |
Arnd Bergmann | 378e3f8 | 2018-04-25 17:30:10 -0400 | [diff] [blame] | 130 | int omap3isp_stat_request_statistics_time32(struct ispstat *stat, |
| 131 | struct omap3isp_stat_data_time32 *data); |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 132 | int omap3isp_stat_init(struct ispstat *stat, const char *name, |
| 133 | const struct v4l2_subdev_ops *sd_ops); |
Laurent Pinchart | 63b4ca2 | 2011-09-22 16:54:34 -0300 | [diff] [blame] | 134 | void omap3isp_stat_cleanup(struct ispstat *stat); |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 135 | int omap3isp_stat_subscribe_event(struct v4l2_subdev *subdev, |
| 136 | struct v4l2_fh *fh, |
Laurent Pinchart | 55c8504 | 2012-10-12 11:20:10 -0300 | [diff] [blame] | 137 | struct v4l2_event_subscription *sub); |
David Cohen | 68e342b | 2011-02-12 18:05:06 -0300 | [diff] [blame] | 138 | int omap3isp_stat_unsubscribe_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_s_stream(struct v4l2_subdev *subdev, int enable); |
| 142 | |
| 143 | int omap3isp_stat_busy(struct ispstat *stat); |
| 144 | int omap3isp_stat_pcr_busy(struct ispstat *stat); |
| 145 | void omap3isp_stat_suspend(struct ispstat *stat); |
| 146 | void omap3isp_stat_resume(struct ispstat *stat); |
| 147 | int omap3isp_stat_enable(struct ispstat *stat, u8 enable); |
| 148 | void omap3isp_stat_sbl_overflow(struct ispstat *stat); |
| 149 | void omap3isp_stat_isr(struct ispstat *stat); |
| 150 | void omap3isp_stat_isr_frame_sync(struct ispstat *stat); |
| 151 | void omap3isp_stat_dma_isr(struct ispstat *stat); |
| 152 | int omap3isp_stat_register_entities(struct ispstat *stat, |
| 153 | struct v4l2_device *vdev); |
| 154 | void omap3isp_stat_unregister_entities(struct ispstat *stat); |
| 155 | |
| 156 | #endif /* OMAP3_ISP_STAT_H */ |