diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_include/host/irq_public.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_include/host/irq_public.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_include/host/irq_public.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_include/host/irq_public.h new file mode 100644 index 0000000..9aeaf8f --- /dev/null +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_include/host/irq_public.h @@ -0,0 +1,184 @@ +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 2015, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#ifndef __IRQ_PUBLIC_H_INCLUDED__ +#define __IRQ_PUBLIC_H_INCLUDED__ + +#include <type_support.h> +#include "system_types.h" + +/*! Read the control registers of IRQ[ID] + + \param ID[in] IRQ identifier + \param state[out] irq controller state structure + + \return none, state = IRQ[ID].state + */ +extern void irq_controller_get_state( + const irq_ID_t ID, + irq_controller_state_t *state); + +/*! Write to a control register of IRQ[ID] + + \param ID[in] IRQ identifier + \param reg[in] register index + \param value[in] The data to be written + + \return none, IRQ[ID].ctrl[reg] = value + */ +STORAGE_CLASS_IRQ_H void irq_reg_store( + const irq_ID_t ID, + const unsigned int reg, + const hrt_data value); + +/*! Read from a control register of IRQ[ID] + + \param ID[in] IRQ identifier + \param reg[in] register index + \param value[in] The data to be written + + \return IRQ[ID].ctrl[reg] + */ +STORAGE_CLASS_IRQ_H hrt_data irq_reg_load( + const irq_ID_t ID, + const unsigned int reg); + +/*! Enable an IRQ channel of IRQ[ID] with a mode + + \param ID[in] IRQ (device) identifier + \param irq[in] IRQ (channel) identifier + + \return none, enable(IRQ[ID].channel[irq_ID]) + */ +extern void irq_enable_channel( + const irq_ID_t ID, + const unsigned int irq_ID); + +/*! Enable pulse interrupts for IRQ[ID] with a mode + + \param ID[in] IRQ (device) identifier + \param enable enable/disable pulse interrupts + + \return none + */ +extern void irq_enable_pulse( + const irq_ID_t ID, + bool pulse); + +/*! Disable an IRQ channel of IRQ[ID] + + \param ID[in] IRQ (device) identifier + \param irq[in] IRQ (channel) identifier + + \return none, disable(IRQ[ID].channel[irq_ID]) + */ +extern void irq_disable_channel( + const irq_ID_t ID, + const unsigned int irq); + +/*! Clear the state of all IRQ channels of IRQ[ID] + + \param ID[in] IRQ (device) identifier + + \return none, clear(IRQ[ID].channel[]) + */ +extern void irq_clear_all( + const irq_ID_t ID); + +/*! Return the ID of a signalling IRQ channel of IRQ[ID] + + \param ID[in] IRQ (device) identifier + \param irq_id[out] active IRQ (channel) identifier + + \Note: This function operates as strtok(), based on the return + state the user is informed if there are additional signalling + channels + + \return state(IRQ[ID]) + */ +extern enum hrt_isp_css_irq_status irq_get_channel_id( + const irq_ID_t ID, + unsigned int *irq_id); + +/*! Raise an interrupt on channel irq_id of device IRQ[ID] + + \param ID[in] IRQ (device) identifier + \param irq_id[in] IRQ (channel) identifier + + \return none, signal(IRQ[ID].channel[irq_id]) + */ +extern void irq_raise( + const irq_ID_t ID, + const irq_sw_channel_id_t irq_id); + +/*! Test if any IRQ channel of the virtual super IRQ has raised a signal + + \return any(VIRQ.channel[irq_ID] != 0) + */ +extern bool any_virq_signal(void); + +/*! Enable an IRQ channel of the virtual super IRQ + + \param irq[in] IRQ (channel) identifier + \param en[in] predicate channel enable + + \return none, VIRQ.channel[irq_ID].enable = en + */ +extern void cnd_virq_enable_channel( + const virq_id_t irq_ID, + const bool en); + +/*! Clear the state of all IRQ channels of the virtual super IRQ + + \return none, clear(VIRQ.channel[]) + */ +extern void virq_clear_all(void); + +/*! Clear the IRQ info state of the virtual super IRQ + + \param irq_info[in/out] The IRQ (channel) state + + \return none + */ +extern void virq_clear_info( + virq_info_t *irq_info); + +/*! Return the ID of a signalling IRQ channel of the virtual super IRQ + + \param irq_id[out] active IRQ (channel) identifier + + \Note: This function operates as strtok(), based on the return + state the user is informed if there are additional signalling + channels + + \return state(IRQ[...]) + */ +extern enum hrt_isp_css_irq_status virq_get_channel_id( + virq_id_t *irq_id); + +/*! Return the IDs of all signaling IRQ channels of the virtual super IRQ + + \param irq_info[out] all active IRQ (channel) identifiers + + \Note: Unlike "irq_get_channel_id()" this function returns all + channel signaling info. The new info is OR'd with the current + info state. N.B. this is the same as repeatedly calling the function + "irq_get_channel_id()" in a (non-blocked) handler routine + + \return (error(state(IRQ[...])) + */ +extern enum hrt_isp_css_irq_status virq_get_channel_signals( + virq_info_t *irq_info); + +#endif /* __IRQ_PUBLIC_H_INCLUDED__ */ |
