drivers/staging/media/atomisp/pci/hive_isp_css_common/host/timed_ctrl.c

Source file repositories/reference/linux-study-clean/drivers/staging/media/atomisp/pci/hive_isp_css_common/host/timed_ctrl.c

File Facts

System
Linux kernel
Corpus path
drivers/staging/media/atomisp/pci/hive_isp_css_common/host/timed_ctrl.c
Extension
.c
Size
1849 bytes
Lines
67
Domain
Driver Families
Bucket
drivers/staging
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 */

#include "timed_ctrl.h"

#ifndef __INLINE_TIMED_CTRL__
#include "timed_ctrl_private.h"
#endif /* __INLINE_TIMED_CTRL__ */

#include "assert_support.h"

void timed_ctrl_snd_commnd(
    const timed_ctrl_ID_t			ID,
    hrt_data				mask,
    hrt_data				condition,
    hrt_data				counter,
    hrt_address				addr,
    hrt_data				value)
{
	OP___assert(ID == TIMED_CTRL0_ID);
	OP___assert(TIMED_CTRL_BASE[ID] != (hrt_address)-1);

	timed_ctrl_reg_store(ID, _HRT_TIMED_CONTROLLER_CMD_REG_IDX, mask);
	timed_ctrl_reg_store(ID, _HRT_TIMED_CONTROLLER_CMD_REG_IDX, condition);
	timed_ctrl_reg_store(ID, _HRT_TIMED_CONTROLLER_CMD_REG_IDX, counter);
	timed_ctrl_reg_store(ID, _HRT_TIMED_CONTROLLER_CMD_REG_IDX, (hrt_data)addr);
	timed_ctrl_reg_store(ID, _HRT_TIMED_CONTROLLER_CMD_REG_IDX, value);
}

/* pqiao TODO: make sure the following commands get
	correct BASE address both for csim and android */

void timed_ctrl_snd_sp_commnd(
    const timed_ctrl_ID_t			ID,
    hrt_data				mask,
    hrt_data				condition,
    hrt_data				counter,
    const sp_ID_t				SP_ID,
    hrt_address				offset,
    hrt_data				value)
{
	OP___assert(SP_ID < N_SP_ID);
	OP___assert(SP_DMEM_BASE[SP_ID] != (hrt_address)-1);

	timed_ctrl_snd_commnd(ID, mask, condition, counter,
			      SP_DMEM_BASE[SP_ID] + offset, value);
}

void timed_ctrl_snd_gpio_commnd(
    const timed_ctrl_ID_t			ID,
    hrt_data				mask,
    hrt_data				condition,
    hrt_data				counter,
    const gpio_ID_t				GPIO_ID,
    hrt_address				offset,
    hrt_data				value)
{
	OP___assert(GPIO_ID < N_GPIO_ID);
	OP___assert(GPIO_BASE[GPIO_ID] != (hrt_address)-1);

	timed_ctrl_snd_commnd(ID, mask, condition, counter,
			      GPIO_BASE[GPIO_ID] + offset, value);
}

Annotation

Implementation Notes