isc_start_dma identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/media/platform/microchip/microchip-isc-base.c, line 164 (as a function)

Referenced in 1 files:

drivers/media/platform/microchip/microchip-isc-base.c

Smatch caller information:

drivers/media/platform/microchip/microchip-isc-base.c isc_buffer_queue() -> isc_start_dma()

Type	Parameter	Key	Value
PARAM_VALUE	0	isc	4096-ptr_max
PARAM_VALUE	0	isc->cur_frm	4096-ptr_max
PARAM_VALUE	0	isc->dma_queue.next	4096-ptr_max
BUF_SIZE	0	isc	s32min-(-2),1-s32max
BUF_SIZE	0	isc	s32min-(-2),1-s32max
CAPPED_DATA	0	&isc->dma_queue	1
PARAM_COMPARE	0	&isc->dma_queue	== $0->dma_queue.next
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		flags
LOCK2	0	&isc->dma_queue_lock
HALF_LOCKED2		&dmxdev->mutex
HALF_LOCKED2		vb->vb2_queue->lock
TYPE_LOCK		(struct isc_device)->dma_queue_lock

drivers/media/platform/microchip/microchip-isc-base.c isc_start_streaming() -> isc_start_dma()

Type	Parameter	Key	Value
PARAM_VALUE	0	isc	4096-ptr_max
PARAM_VALUE	0	isc->b_gain_ctrl->handler->lock->dep_map->name	0-255
PARAM_VALUE	0	isc->b_gain_ctrl->handler->lock->first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	isc->b_gain_ctrl->handler->lock->first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	isc->b_gain_ctrl->handler->lock->first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->b_gain_ctrl->handler->lock->first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	isc->b_gain_ctrl->handler->lock->first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	isc->b_gain_ctrl->handler->lock->first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	isc->b_gain_ctrl->handler->lock->wait_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->b_gain_ctrl->is_new	1
PARAM_VALUE	0	isc->b_off_ctrl->handler->lock->dep_map->name	0-255
PARAM_VALUE	0	isc->b_off_ctrl->handler->lock->first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	isc->b_off_ctrl->handler->lock->first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	isc->b_off_ctrl->handler->lock->first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->b_off_ctrl->handler->lock->first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	isc->b_off_ctrl->handler->lock->first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	isc->b_off_ctrl->handler->lock->first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	isc->b_off_ctrl->handler->lock->wait_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->b_off_ctrl->is_new	1
PARAM_VALUE	0	isc->comp.done	0
PARAM_VALUE	0	isc->config.bits_pipeline	0,8,12,1016,1020,7128,7132,15320,15324,31704,31708
PARAM_VALUE	0	isc->config.rlp_cfg_mode	0,2,4-11,13,38,77,205
PARAM_VALUE	0	isc->config.sd_format	4096-ptr_max
PARAM_VALUE	0	isc->config.sd_format->cfa_baycfg	0-3
PARAM_VALUE	0	isc->config.sd_format->pfe_cfg0_bps	0,536870912,1073741824
PARAM_VALUE	0	isc->config_rlp	4096-ptr_max
PARAM_VALUE	0	isc->ctrls.awb	0-2
PARAM_VALUE	0	isc->ctrls.hist_id	0
PARAM_VALUE	0	isc->ctrls.hist_stat	1-2
PARAM_VALUE	0	isc->cur_frm	4096-ptr_max
PARAM_VALUE	0	isc->current_subdev	4096-ptr_max
PARAM_VALUE	0	isc->current_subdev->sd	0,4096-ptr_max
PARAM_VALUE	0	isc->current_subdev->sd->ops	4096-ptr_max
PARAM_VALUE	0	isc->dev	4096-ptr_max
PARAM_VALUE	0	isc->dev->bus	0,4096-ptr_max
PARAM_VALUE	0	isc->dev->class	0,4096-ptr_max
PARAM_VALUE	0	isc->dev->power.request	0-4
PARAM_VALUE	0	isc->dev->power.runtime_error	s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE	0	isc->dev->power.wakeirq	0,4096-ptr_max
PARAM_VALUE	0	isc->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	isc->dev->type	0,4096-ptr_max
PARAM_VALUE	0	isc->gb_gain_ctrl->handler->lock->dep_map->name	0-255
PARAM_VALUE	0	isc->gb_gain_ctrl->handler->lock->first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	isc->gb_gain_ctrl->handler->lock->first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	isc->gb_gain_ctrl->handler->lock->first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->gb_gain_ctrl->handler->lock->first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	isc->gb_gain_ctrl->handler->lock->first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	isc->gb_gain_ctrl->handler->lock->first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	isc->gb_gain_ctrl->handler->lock->wait_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->gb_gain_ctrl->is_new	1
PARAM_VALUE	0	isc->gb_off_ctrl->handler->lock->dep_map->name	0-255
PARAM_VALUE	0	isc->gb_off_ctrl->handler->lock->first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	isc->gb_off_ctrl->handler->lock->first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	isc->gb_off_ctrl->handler->lock->first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->gb_off_ctrl->handler->lock->first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	isc->gb_off_ctrl->handler->lock->first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	isc->gb_off_ctrl->handler->lock->first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	isc->gb_off_ctrl->handler->lock->wait_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->gb_off_ctrl->is_new	1
PARAM_VALUE	0	isc->gr_gain_ctrl->handler->lock->dep_map->name	0-255
PARAM_VALUE	0	isc->gr_gain_ctrl->handler->lock->first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	isc->gr_gain_ctrl->handler->lock->first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	isc->gr_gain_ctrl->handler->lock->first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->gr_gain_ctrl->handler->lock->first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	isc->gr_gain_ctrl->handler->lock->first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	isc->gr_gain_ctrl->handler->lock->first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	isc->gr_gain_ctrl->handler->lock->wait_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->gr_gain_ctrl->is_new	1
PARAM_VALUE	0	isc->gr_off_ctrl->handler->lock->dep_map->name	0-255
PARAM_VALUE	0	isc->gr_off_ctrl->handler->lock->first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	isc->gr_off_ctrl->handler->lock->first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	isc->gr_off_ctrl->handler->lock->first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->gr_off_ctrl->handler->lock->first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	isc->gr_off_ctrl->handler->lock->first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	isc->gr_off_ctrl->handler->lock->first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	isc->gr_off_ctrl->handler->lock->wait_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->gr_off_ctrl->is_new	1
PARAM_VALUE	0	isc->r_gain_ctrl->handler->lock->dep_map->name	0-255
PARAM_VALUE	0	isc->r_gain_ctrl->handler->lock->first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	isc->r_gain_ctrl->handler->lock->first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	isc->r_gain_ctrl->handler->lock->first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->r_gain_ctrl->handler->lock->first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	isc->r_gain_ctrl->handler->lock->first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	isc->r_gain_ctrl->handler->lock->first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	isc->r_gain_ctrl->handler->lock->wait_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->r_gain_ctrl->is_new	1
PARAM_VALUE	0	isc->r_off_ctrl->handler->lock->dep_map->name	0-255
PARAM_VALUE	0	isc->r_off_ctrl->handler->lock->first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	isc->r_off_ctrl->handler->lock->first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	isc->r_off_ctrl->handler->lock->first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->r_off_ctrl->handler->lock->first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	isc->r_off_ctrl->handler->lock->first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	isc->r_off_ctrl->handler->lock->first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	isc->r_off_ctrl->handler->lock->wait_lock.dep_map->name	0-255
PARAM_VALUE	0	isc->r_off_ctrl->is_new	1
PARAM_VALUE	0	isc->regmap	4096-ptr_max
PARAM_VALUE	0	isc->regmap->async	0
PARAM_VALUE	0	isc->sequence	0
PARAM_VALUE	0	isc->stop	0
BUF_SIZE	0	isc	s32min-(-2),1-s32max
BUF_SIZE	0	isc	s32min-(-2),1-s32max
CAPPED_DATA	0	isc->regmap->rd_table->n_yes_ranges	1
CAPPED_DATA	0	isc->regmap->volatile_table->n_no_ranges	1
CAPPED_DATA	0	isc->regmap->volatile_table->n_yes_ranges	1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		flags
LOCK2	0	&isc->dma_queue_lock
HALF_LOCKED2		&dmxdev->mutex
HALF_LOCKED2		vq->lock
TYPE_LOCK		(struct isc_device)->dma_queue_lock

drivers/media/platform/microchip/microchip-isc-base.c microchip_isc_interrupt() -> isc_start_dma()

Type	Parameter	Key	Value
PARAM_VALUE	0	isc	4096-ptr_max
PARAM_VALUE	0	isc->cur_frm	4096-ptr_max
PARAM_VALUE	0	isc->dma_queue_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	isc->regmap	4096-ptr_max
PARAM_VALUE	0	isc->regmap->lock	4096-ptr_max
PARAM_VALUE	0	isc->regmap->unlock	4096-ptr_max
PARAM_VALUE	0	isc->stop	0
PARAM_VALUE	0	*isc->regmap->cache->data	0-4294967295
CAPPED_DATA	0	&isc->dma_queue	1
DATA_SOURCE	0	isc	$1
PARAM_COMPARE	0	&isc->dma_queue	!= $0->dma_queue.next
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&isc->dma_queue_lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		flags
TYPE_LOCK		(struct isc_device)->dma_queue_lock