diff options
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/adv7842.h | 3 | ||||
| -rw-r--r-- | include/media/lm3646.h | 87 | ||||
| -rw-r--r-- | include/media/rc-core.h | 80 | ||||
| -rw-r--r-- | include/media/rc-map.h | 6 | ||||
| -rw-r--r-- | include/media/v4l2-dev.h | 3 | ||||
| -rw-r--r-- | include/media/v4l2-ioctl.h | 10 | ||||
| -rw-r--r-- | include/media/v4l2-subdev.h | 9 | ||||
| -rw-r--r-- | include/media/videobuf2-core.h | 117 |
8 files changed, 276 insertions, 39 deletions
diff --git a/include/media/adv7842.h b/include/media/adv7842.h index 39322091e8b0..924cbb8d004a 100644 --- a/include/media/adv7842.h +++ b/include/media/adv7842.h @@ -220,6 +220,9 @@ struct adv7842_platform_data { unsigned sdp_free_run_cbar_en:1; unsigned sdp_free_run_force:1; + /* HPA manual (0) or auto (1), affects HDMI register 0x69 */ + unsigned hpa_auto:1; + struct adv7842_sdp_csc_coeff sdp_csc_coeff; struct adv7842_sdp_io_sync_adjustment sdp_io_sync_625; diff --git a/include/media/lm3646.h b/include/media/lm3646.h new file mode 100644 index 000000000000..c6acf5a1d640 --- /dev/null +++ b/include/media/lm3646.h @@ -0,0 +1,87 @@ +/* + * include/media/lm3646.h + * + * Copyright (C) 2014 Texas Instruments + * + * Contact: Daniel Jeong <gshark.jeong@gmail.com> + * Ldd-Mlp <ldd-mlp@list.ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + */ + +#ifndef __LM3646_H__ +#define __LM3646_H__ + +#include <media/v4l2-subdev.h> + +#define LM3646_NAME "lm3646" +#define LM3646_I2C_ADDR_REV1 (0x67) +#define LM3646_I2C_ADDR_REV0 (0x63) + +/* TOTAL FLASH Brightness Max + * min 93350uA, step 93750uA, max 1499600uA + */ +#define LM3646_TOTAL_FLASH_BRT_MIN 93350 +#define LM3646_TOTAL_FLASH_BRT_STEP 93750 +#define LM3646_TOTAL_FLASH_BRT_MAX 1499600 +#define LM3646_TOTAL_FLASH_BRT_uA_TO_REG(a) \ + ((a) < LM3646_TOTAL_FLASH_BRT_MIN ? 0 : \ + ((((a) - LM3646_TOTAL_FLASH_BRT_MIN) / LM3646_TOTAL_FLASH_BRT_STEP))) + +/* TOTAL TORCH Brightness Max + * min 23040uA, step 23430uA, max 187100uA + */ +#define LM3646_TOTAL_TORCH_BRT_MIN 23040 +#define LM3646_TOTAL_TORCH_BRT_STEP 23430 +#define LM3646_TOTAL_TORCH_BRT_MAX 187100 +#define LM3646_TOTAL_TORCH_BRT_uA_TO_REG(a) \ + ((a) < LM3646_TOTAL_TORCH_BRT_MIN ? 0 : \ + ((((a) - LM3646_TOTAL_TORCH_BRT_MIN) / LM3646_TOTAL_TORCH_BRT_STEP))) + +/* LED1 FLASH Brightness + * min 23040uA, step 11718uA, max 1499600uA + */ +#define LM3646_LED1_FLASH_BRT_MIN 23040 +#define LM3646_LED1_FLASH_BRT_STEP 11718 +#define LM3646_LED1_FLASH_BRT_MAX 1499600 +#define LM3646_LED1_FLASH_BRT_uA_TO_REG(a) \ + ((a) <= LM3646_LED1_FLASH_BRT_MIN ? 0 : \ + ((((a) - LM3646_LED1_FLASH_BRT_MIN) / LM3646_LED1_FLASH_BRT_STEP))+1) + +/* LED1 TORCH Brightness + * min 2530uA, step 1460uA, max 187100uA + */ +#define LM3646_LED1_TORCH_BRT_MIN 2530 +#define LM3646_LED1_TORCH_BRT_STEP 1460 +#define LM3646_LED1_TORCH_BRT_MAX 187100 +#define LM3646_LED1_TORCH_BRT_uA_TO_REG(a) \ + ((a) <= LM3646_LED1_TORCH_BRT_MIN ? 0 : \ + ((((a) - LM3646_LED1_TORCH_BRT_MIN) / LM3646_LED1_TORCH_BRT_STEP))+1) + +/* FLASH TIMEOUT DURATION + * min 50ms, step 50ms, max 400ms + */ +#define LM3646_FLASH_TOUT_MIN 50 +#define LM3646_FLASH_TOUT_STEP 50 +#define LM3646_FLASH_TOUT_MAX 400 +#define LM3646_FLASH_TOUT_ms_TO_REG(a) \ + ((a) <= LM3646_FLASH_TOUT_MIN ? 0 : \ + (((a) - LM3646_FLASH_TOUT_MIN) / LM3646_FLASH_TOUT_STEP)) + +/* struct lm3646_platform_data + * + * @flash_timeout: flash timeout + * @led1_flash_brt: led1 flash mode brightness, uA + * @led1_torch_brt: led1 torch mode brightness, uA + */ +struct lm3646_platform_data { + + u32 flash_timeout; + + u32 led1_flash_brt; + u32 led1_torch_brt; +}; + +#endif /* __LM3646_H__ */ diff --git a/include/media/rc-core.h b/include/media/rc-core.h index 2f6f1f78d958..0b9f890ce431 100644 --- a/include/media/rc-core.h +++ b/include/media/rc-core.h @@ -1,7 +1,7 @@ /* * Remote Controller core header * - * Copyright (C) 2009-2010 by Mauro Carvalho Chehab <mchehab@redhat.com> + * Copyright (C) 2009-2010 by Mauro Carvalho Chehab * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -35,6 +35,29 @@ enum rc_driver_type { }; /** + * struct rc_scancode_filter - Filter scan codes. + * @data: Scancode data to match. + * @mask: Mask of bits of scancode to compare. + */ +struct rc_scancode_filter { + u32 data; + u32 mask; +}; + +/** + * enum rc_filter_type - Filter type constants. + * @RC_FILTER_NORMAL: Filter for normal operation. + * @RC_FILTER_WAKEUP: Filter for waking from suspend. + * @RC_FILTER_MAX: Number of filter types. + */ +enum rc_filter_type { + RC_FILTER_NORMAL = 0, + RC_FILTER_WAKEUP, + + RC_FILTER_MAX +}; + +/** * struct rc_dev - represents a remote control device * @dev: driver model's view of this device * @input_name: name of the input child device @@ -50,8 +73,10 @@ enum rc_driver_type { * @input_dev: the input child device used to communicate events to userspace * @driver_type: specifies if protocol decoding is done in hardware or software * @idle: used to keep track of RX state - * @allowed_protos: bitmask with the supported RC_BIT_* protocols - * @enabled_protocols: bitmask with the enabled RC_BIT_* protocols + * @allowed_protocols: bitmask with the supported RC_BIT_* protocols for each + * filter type + * @enabled_protocols: bitmask with the enabled RC_BIT_* protocols for each + * filter type * @scanmask: some hardware decoders are not capable of providing the full * scancode to the application. As this is a hardware limit, we can't do * anything with it. Yet, as the same keycode table can be used with other @@ -70,7 +95,10 @@ enum rc_driver_type { * @max_timeout: maximum timeout supported by device * @rx_resolution : resolution (in ns) of input sampler * @tx_resolution: resolution (in ns) of output sampler + * @scancode_filters: scancode filters (indexed by enum rc_filter_type) * @change_protocol: allow changing the protocol used on hardware decoders + * @change_wakeup_protocol: allow changing the protocol used for wakeup + * filtering * @open: callback to allow drivers to enable polling/irq when IR input device * is opened. * @close: callback to allow drivers to disable polling/irq when IR input device @@ -84,6 +112,7 @@ enum rc_driver_type { * device doesn't interrupt host until it sees IR pulses * @s_learning_mode: enable wide band receiver used for learning * @s_carrier_report: enable carrier reports + * @s_filter: set the scancode filter of a given type */ struct rc_dev { struct device dev; @@ -99,8 +128,8 @@ struct rc_dev { struct input_dev *input_dev; enum rc_driver_type driver_type; bool idle; - u64 allowed_protos; - u64 enabled_protocols; + u64 allowed_protocols[RC_FILTER_MAX]; + u64 enabled_protocols[RC_FILTER_MAX]; u32 users; u32 scanmask; void *priv; @@ -116,7 +145,9 @@ struct rc_dev { u32 max_timeout; u32 rx_resolution; u32 tx_resolution; + struct rc_scancode_filter scancode_filters[RC_FILTER_MAX]; int (*change_protocol)(struct rc_dev *dev, u64 *rc_type); + int (*change_wakeup_protocol)(struct rc_dev *dev, u64 *rc_type); int (*open)(struct rc_dev *dev); void (*close)(struct rc_dev *dev); int (*s_tx_mask)(struct rc_dev *dev, u32 mask); @@ -127,10 +158,49 @@ struct rc_dev { void (*s_idle)(struct rc_dev *dev, bool enable); int (*s_learning_mode)(struct rc_dev *dev, int enable); int (*s_carrier_report) (struct rc_dev *dev, int enable); + int (*s_filter)(struct rc_dev *dev, + enum rc_filter_type type, + struct rc_scancode_filter *filter); }; #define to_rc_dev(d) container_of(d, struct rc_dev, dev) +static inline bool rc_protocols_allowed(struct rc_dev *rdev, u64 protos) +{ + return rdev->allowed_protocols[RC_FILTER_NORMAL] & protos; +} + +/* should be called prior to registration or with mutex held */ +static inline void rc_set_allowed_protocols(struct rc_dev *rdev, u64 protos) +{ + rdev->allowed_protocols[RC_FILTER_NORMAL] = protos; +} + +static inline bool rc_protocols_enabled(struct rc_dev *rdev, u64 protos) +{ + return rdev->enabled_protocols[RC_FILTER_NORMAL] & protos; +} + +/* should be called prior to registration or with mutex held */ +static inline void rc_set_enabled_protocols(struct rc_dev *rdev, u64 protos) +{ + rdev->enabled_protocols[RC_FILTER_NORMAL] = protos; +} + +/* should be called prior to registration or with mutex held */ +static inline void rc_set_allowed_wakeup_protocols(struct rc_dev *rdev, + u64 protos) +{ + rdev->allowed_protocols[RC_FILTER_WAKEUP] = protos; +} + +/* should be called prior to registration or with mutex held */ +static inline void rc_set_enabled_wakeup_protocols(struct rc_dev *rdev, + u64 protos) +{ + rdev->enabled_protocols[RC_FILTER_WAKEUP] = protos; +} + /* * From rc-main.c * Those functions can be used on any type of Remote Controller. They diff --git a/include/media/rc-map.h b/include/media/rc-map.h index a20ed97d7d8a..e5aa2409c0ea 100644 --- a/include/media/rc-map.h +++ b/include/media/rc-map.h @@ -1,7 +1,7 @@ /* * rc-map.h - define RC map names used by RC drivers * - * Copyright (c) 2010 by Mauro Carvalho Chehab <mchehab@redhat.com> + * Copyright (c) 2010 by Mauro Carvalho Chehab * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -30,6 +30,7 @@ enum rc_type { RC_TYPE_RC6_6A_24 = 15, /* Philips RC6-6A-24 protocol */ RC_TYPE_RC6_6A_32 = 16, /* Philips RC6-6A-32 protocol */ RC_TYPE_RC6_MCE = 17, /* MCE (Philips RC6-6A-32 subtype) protocol */ + RC_TYPE_SHARP = 18, /* Sharp protocol */ }; #define RC_BIT_NONE 0 @@ -51,6 +52,7 @@ enum rc_type { #define RC_BIT_RC6_6A_24 (1 << RC_TYPE_RC6_6A_24) #define RC_BIT_RC6_6A_32 (1 << RC_TYPE_RC6_6A_32) #define RC_BIT_RC6_MCE (1 << RC_TYPE_RC6_MCE) +#define RC_BIT_SHARP (1 << RC_TYPE_SHARP) #define RC_BIT_ALL (RC_BIT_UNKNOWN | RC_BIT_OTHER | RC_BIT_LIRC | \ RC_BIT_RC5 | RC_BIT_RC5X | RC_BIT_RC5_SZ | \ @@ -58,7 +60,7 @@ enum rc_type { RC_BIT_SONY12 | RC_BIT_SONY15 | RC_BIT_SONY20 | \ RC_BIT_NEC | RC_BIT_SANYO | RC_BIT_MCE_KBD | \ RC_BIT_RC6_0 | RC_BIT_RC6_6A_20 | RC_BIT_RC6_6A_24 | \ - RC_BIT_RC6_6A_32 | RC_BIT_RC6_MCE) + RC_BIT_RC6_6A_32 | RC_BIT_RC6_MCE | RC_BIT_SHARP) struct rc_map_table { u32 scancode; diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index c768c9f8abc2..eec6e460f649 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -24,7 +24,8 @@ #define VFL_TYPE_VBI 1 #define VFL_TYPE_RADIO 2 #define VFL_TYPE_SUBDEV 3 -#define VFL_TYPE_MAX 4 +#define VFL_TYPE_SDR 4 +#define VFL_TYPE_MAX 5 /* Is this a receiver, transmitter or mem-to-mem? */ /* Ignored for VFL_TYPE_SUBDEV. */ diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index e0b74a430b3a..50cf7c110a70 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -40,6 +40,8 @@ struct v4l2_ioctl_ops { struct v4l2_fmtdesc *f); int (*vidioc_enum_fmt_vid_out_mplane)(struct file *file, void *fh, struct v4l2_fmtdesc *f); + int (*vidioc_enum_fmt_sdr_cap) (struct file *file, void *fh, + struct v4l2_fmtdesc *f); /* VIDIOC_G_FMT handlers */ int (*vidioc_g_fmt_vid_cap) (struct file *file, void *fh, @@ -62,6 +64,8 @@ struct v4l2_ioctl_ops { struct v4l2_format *f); int (*vidioc_g_fmt_vid_out_mplane)(struct file *file, void *fh, struct v4l2_format *f); + int (*vidioc_g_fmt_sdr_cap) (struct file *file, void *fh, + struct v4l2_format *f); /* VIDIOC_S_FMT handlers */ int (*vidioc_s_fmt_vid_cap) (struct file *file, void *fh, @@ -84,6 +88,8 @@ struct v4l2_ioctl_ops { struct v4l2_format *f); int (*vidioc_s_fmt_vid_out_mplane)(struct file *file, void *fh, struct v4l2_format *f); + int (*vidioc_s_fmt_sdr_cap) (struct file *file, void *fh, + struct v4l2_format *f); /* VIDIOC_TRY_FMT handlers */ int (*vidioc_try_fmt_vid_cap) (struct file *file, void *fh, @@ -106,6 +112,8 @@ struct v4l2_ioctl_ops { struct v4l2_format *f); int (*vidioc_try_fmt_vid_out_mplane)(struct file *file, void *fh, struct v4l2_format *f); + int (*vidioc_try_fmt_sdr_cap) (struct file *file, void *fh, + struct v4l2_format *f); /* Buffer handlers */ int (*vidioc_reqbufs) (struct file *file, void *fh, struct v4l2_requestbuffers *b); @@ -265,6 +273,8 @@ struct v4l2_ioctl_ops { struct v4l2_enum_dv_timings *timings); int (*vidioc_dv_timings_cap) (struct file *file, void *fh, struct v4l2_dv_timings_cap *cap); + int (*vidioc_g_edid) (struct file *file, void *fh, struct v4l2_edid *edid); + int (*vidioc_s_edid) (struct file *file, void *fh, struct v4l2_edid *edid); int (*vidioc_subscribe_event) (struct v4l2_fh *fh, const struct v4l2_event_subscription *sub); diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index d67210a37ef3..28f4d8c3cf7d 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -162,6 +162,10 @@ struct v4l2_subdev_core_ops { int (*g_std)(struct v4l2_subdev *sd, v4l2_std_id *norm); int (*s_std)(struct v4l2_subdev *sd, v4l2_std_id norm); long (*ioctl)(struct v4l2_subdev *sd, unsigned int cmd, void *arg); +#ifdef CONFIG_COMPAT + long (*compat_ioctl32)(struct v4l2_subdev *sd, unsigned int cmd, + unsigned long arg); +#endif #ifdef CONFIG_VIDEO_ADV_DEBUG int (*g_register)(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg); int (*s_register)(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg); @@ -192,6 +196,7 @@ struct v4l2_subdev_tuner_ops { int (*s_radio)(struct v4l2_subdev *sd); int (*s_frequency)(struct v4l2_subdev *sd, const struct v4l2_frequency *freq); int (*g_frequency)(struct v4l2_subdev *sd, struct v4l2_frequency *freq); + int (*enum_freq_bands)(struct v4l2_subdev *sd, struct v4l2_frequency_band *band); int (*g_tuner)(struct v4l2_subdev *sd, struct v4l2_tuner *vt); int (*s_tuner)(struct v4l2_subdev *sd, const struct v4l2_tuner *vt); int (*g_modulator)(struct v4l2_subdev *sd, struct v4l2_modulator *vm); @@ -503,8 +508,8 @@ struct v4l2_subdev_pad_ops { struct v4l2_subdev_selection *sel); int (*set_selection)(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, struct v4l2_subdev_selection *sel); - int (*get_edid)(struct v4l2_subdev *sd, struct v4l2_subdev_edid *edid); - int (*set_edid)(struct v4l2_subdev *sd, struct v4l2_subdev_edid *edid); + int (*get_edid)(struct v4l2_subdev *sd, struct v4l2_edid *edid); + int (*set_edid)(struct v4l2_subdev *sd, struct v4l2_edid *edid); #ifdef CONFIG_MEDIA_CONTROLLER int (*link_validate)(struct v4l2_subdev *sd, struct media_link *link, struct v4l2_subdev_format *source_fmt, diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index bef53ce555d2..af4621109726 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -34,49 +34,49 @@ struct vb2_fileio_data; * usually will result in the allocator freeing the buffer (if * no other users of this buffer are present); the buf_priv * argument is the allocator private per-buffer structure - * previously returned from the alloc callback + * previously returned from the alloc callback. * @get_userptr: acquire userspace memory for a hardware operation; used for * USERPTR memory types; vaddr is the address passed to the * videobuf layer when queuing a video buffer of USERPTR type; * should return an allocator private per-buffer structure * associated with the buffer on success, NULL on failure; * the returned private structure will then be passed as buf_priv - * argument to other ops in this structure + * argument to other ops in this structure. * @put_userptr: inform the allocator that a USERPTR buffer will no longer - * be used + * be used. * @attach_dmabuf: attach a shared struct dma_buf for a hardware operation; * used for DMABUF memory types; alloc_ctx is the alloc context * dbuf is the shared dma_buf; returns NULL on failure; * allocator private per-buffer structure on success; - * this needs to be used for further accesses to the buffer + * this needs to be used for further accesses to the buffer. * @detach_dmabuf: inform the exporter of the buffer that the current DMABUF * buffer is no longer used; the buf_priv argument is the * allocator private per-buffer structure previously returned - * from the attach_dmabuf callback + * from the attach_dmabuf callback. * @map_dmabuf: request for access to the dmabuf from allocator; the allocator * of dmabuf is informed that this driver is going to use the - * dmabuf + * dmabuf. * @unmap_dmabuf: releases access control to the dmabuf - allocator is notified - * that this driver is done using the dmabuf for now + * that this driver is done using the dmabuf for now. * @prepare: called every time the buffer is passed from userspace to the - * driver, useful for cache synchronisation, optional + * driver, useful for cache synchronisation, optional. * @finish: called every time the buffer is passed back from the driver - * to the userspace, also optional + * to the userspace, also optional. * @vaddr: return a kernel virtual address to a given memory buffer * associated with the passed private structure or NULL if no - * such mapping exists + * such mapping exists. * @cookie: return allocator specific cookie for a given memory buffer * associated with the passed private structure or NULL if not - * available + * available. * @num_users: return the current number of users of a memory buffer; * return 1 if the videobuf layer (or actually the driver using - * it) is the only user + * it) is the only user. * @mmap: setup a userspace mapping for a given memory buffer under - * the provided virtual memory region + * the provided virtual memory region. * * Required ops for USERPTR types: get_userptr, put_userptr. * Required ops for MMAP types: alloc, put, num_users, mmap. - * Required ops for read/write access types: alloc, put, num_users, vaddr + * Required ops for read/write access types: alloc, put, num_users, vaddr. * Required ops for DMABUF types: attach_dmabuf, detach_dmabuf, map_dmabuf, * unmap_dmabuf. */ @@ -203,6 +203,37 @@ struct vb2_buffer { struct list_head done_entry; struct vb2_plane planes[VIDEO_MAX_PLANES]; + +#ifdef CONFIG_VIDEO_ADV_DEBUG + /* + * Counters for how often these buffer-related ops are + * called. Used to check for unbalanced ops. + */ + u32 cnt_mem_alloc; + u32 cnt_mem_put; + u32 cnt_mem_get_dmabuf; + u32 cnt_mem_get_userptr; + u32 cnt_mem_put_userptr; + u32 cnt_mem_prepare; + u32 cnt_mem_finish; + u32 cnt_mem_attach_dmabuf; + u32 cnt_mem_detach_dmabuf; + u32 cnt_mem_map_dmabuf; + u32 cnt_mem_unmap_dmabuf; + u32 cnt_mem_vaddr; + u32 cnt_mem_cookie; + u32 cnt_mem_num_users; + u32 cnt_mem_mmap; + + u32 cnt_buf_init; + u32 cnt_buf_prepare; + u32 cnt_buf_finish; + u32 cnt_buf_cleanup; + u32 cnt_buf_queue; + + /* This counts the number of calls to vb2_buffer_done() */ + u32 cnt_buf_done; +#endif }; /** @@ -227,27 +258,35 @@ struct vb2_buffer { * @wait_prepare: release any locks taken while calling vb2 functions; * it is called before an ioctl needs to wait for a new * buffer to arrive; required to avoid a deadlock in - * blocking access type + * blocking access type. * @wait_finish: reacquire all locks released in the previous callback; * required to continue operation after sleeping while - * waiting for a new buffer to arrive + * waiting for a new buffer to arrive. * @buf_init: called once after allocating a buffer (in MMAP case) * or after acquiring a new USERPTR buffer; drivers may * perform additional buffer-related initialization; * initialization failure (return != 0) will prevent - * queue setup from completing successfully; optional + * queue setup from completing successfully; optional. * @buf_prepare: called every time the buffer is queued from userspace * and from the VIDIOC_PREPARE_BUF ioctl; drivers may * perform any initialization required before each hardware * operation in this callback; drivers that support * VIDIOC_CREATE_BUFS must also validate the buffer size; * if an error is returned, the buffer will not be queued - * in driver; optional + * in driver; optional. * @buf_finish: called before every dequeue of the buffer back to * userspace; drivers may perform any operations required - * before userspace accesses the buffer; optional + * before userspace accesses the buffer; optional. The + * buffer state can be one of the following: DONE and + * ERROR occur while streaming is in progress, and the + * PREPARED state occurs when the queue has been canceled + * and all pending buffers are being returned to their + * default DEQUEUED state. Typically you only have to do + * something if the state is VB2_BUF_STATE_DONE, since in + * all other cases the buffer contents will be ignored + * anyway. * @buf_cleanup: called once before the buffer is freed; drivers may - * perform any additional cleanup; optional + * perform any additional cleanup; optional. * @start_streaming: called once to enter 'streaming' state; the driver may * receive buffers with @buf_queue callback before * @start_streaming is called; the driver gets the number @@ -268,7 +307,7 @@ struct vb2_buffer { * the buffer back by calling vb2_buffer_done() function; * it is allways called after calling STREAMON ioctl; * might be called before start_streaming callback if user - * pre-queued buffers before calling STREAMON + * pre-queued buffers before calling STREAMON. */ struct vb2_ops { int (*queue_setup)(struct vb2_queue *q, const struct v4l2_format *fmt, @@ -280,7 +319,7 @@ struct vb2_ops { int (*buf_init)(struct vb2_buffer *vb); int (*buf_prepare)(struct vb2_buffer *vb); - int (*buf_finish)(struct vb2_buffer *vb); + void (*buf_finish)(struct vb2_buffer *vb); void (*buf_cleanup)(struct vb2_buffer *vb); int (*start_streaming)(struct vb2_queue *q, unsigned int count); @@ -312,23 +351,29 @@ struct v4l2_fh; * @buf_struct_size: size of the driver-specific buffer structure; * "0" indicates the driver doesn't want to use a custom buffer * structure type, so sizeof(struct vb2_buffer) will is used + * @timestamp_flags: Timestamp flags; V4L2_BUF_FLAGS_TIMESTAMP_* and + * V4L2_BUF_FLAGS_TSTAMP_SRC_* * @gfp_flags: additional gfp flags used when allocating the buffers. * Typically this is 0, but it may be e.g. GFP_DMA or __GFP_DMA32 * to force the buffer allocation to a specific memory zone. + * @min_buffers_needed: the minimum number of buffers needed before + * start_streaming() can be called. Used when a DMA engine + * cannot be started unless at least this number of buffers + * have been queued into the driver. * * @memory: current memory type used * @bufs: videobuf buffer structures * @num_buffers: number of allocated/used buffers * @queued_list: list of buffers currently queued from userspace - * @queued_count: number of buffers owned by the driver + * @queued_count: number of buffers queued and ready for streaming. + * @owned_by_drv_count: number of buffers owned by the driver * @done_list: list of buffers ready to be dequeued to userspace * @done_lock: lock to protect done_list list * @done_wq: waitqueue for processes waiting for buffers ready to be dequeued * @alloc_ctx: memory type/allocator-specific contexts for each plane * @streaming: current streaming state - * @retry_start_streaming: start_streaming() was called, but there were not enough - * buffers queued. If set, then retry calling start_streaming when - * queuing a new buffer. + * @start_streaming_called: start_streaming() was called successfully and we + * started streaming. * @fileio: file io emulator internal data, used only if emulator is active */ struct vb2_queue { @@ -342,8 +387,9 @@ struct vb2_queue { const struct vb2_mem_ops *mem_ops; void *drv_priv; unsigned int buf_struct_size; - u32 timestamp_type; + u32 timestamp_flags; gfp_t gfp_flags; + u32 min_buffers_needed; /* private: internal use only */ enum v4l2_memory memory; @@ -351,8 +397,9 @@ struct vb2_queue { unsigned int num_buffers; struct list_head queued_list; + unsigned int queued_count; - atomic_t queued_count; + atomic_t owned_by_drv_count; struct list_head done_list; spinlock_t done_lock; wait_queue_head_t done_wq; @@ -361,9 +408,21 @@ struct vb2_queue { unsigned int plane_sizes[VIDEO_MAX_PLANES]; unsigned int streaming:1; - unsigned int retry_start_streaming:1; + unsigned int start_streaming_called:1; struct vb2_fileio_data *fileio; + +#ifdef CONFIG_VIDEO_ADV_DEBUG + /* + * Counters for how often these queue-related ops are + * called. Used to check for unbalanced ops. + */ + u32 cnt_queue_setup; + u32 cnt_wait_prepare; + u32 cnt_wait_finish; + u32 cnt_start_streaming; + u32 cnt_stop_streaming; +#endif }; void *vb2_plane_vaddr(struct vb2_buffer *vb, unsigned int plane_no); |