diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_irq.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_irq.h | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_irq.h b/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_irq.h deleted file mode 100644 index c8840138899a..000000000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/ia_css_irq.h +++ /dev/null @@ -1,235 +0,0 @@ -/* - * 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 __IA_CSS_IRQ_H -#define __IA_CSS_IRQ_H - -/* @file - * This file contains information for Interrupts/IRQs from CSS - */ - -#include "ia_css_err.h" -#include "ia_css_pipe_public.h" -#include "ia_css_input_port.h" - -/* Interrupt types, these enumerate all supported interrupt types. - */ -enum ia_css_irq_type { - IA_CSS_IRQ_TYPE_EDGE, /** Edge (level) sensitive interrupt */ - IA_CSS_IRQ_TYPE_PULSE /** Pulse-shaped interrupt */ -}; - -/* Interrupt request type. - * When the CSS hardware generates an interrupt, a function in this API - * needs to be called to retrieve information about the interrupt. - * This interrupt type is part of this information and indicates what - * type of information the interrupt signals. - * - * Note that one interrupt can carry multiple interrupt types. For - * example: the online video ISP will generate only 2 interrupts, one to - * signal that the statistics (3a and DIS) are ready and one to signal - * that all output frames are done (output and viewfinder). - * - * DEPRECATED, this interface is not portable it should only define user - * (SW) interrupts - */ -enum ia_css_irq_info { - IA_CSS_IRQ_INFO_CSS_RECEIVER_ERROR = 1 << 0, - /** the css receiver has encountered an error */ - IA_CSS_IRQ_INFO_CSS_RECEIVER_FIFO_OVERFLOW = 1 << 1, - /** the FIFO in the csi receiver has overflown */ - IA_CSS_IRQ_INFO_CSS_RECEIVER_SOF = 1 << 2, - /** the css receiver received the start of frame */ - IA_CSS_IRQ_INFO_CSS_RECEIVER_EOF = 1 << 3, - /** the css receiver received the end of frame */ - IA_CSS_IRQ_INFO_CSS_RECEIVER_SOL = 1 << 4, - /** the css receiver received the start of line */ - IA_CSS_IRQ_INFO_PSYS_EVENTS_READY = 1 << 5, - /** One or more events are available in the PSYS event queue */ - IA_CSS_IRQ_INFO_EVENTS_READY = IA_CSS_IRQ_INFO_PSYS_EVENTS_READY, - /** deprecated{obsolete version of IA_CSS_IRQ_INFO_PSYS_EVENTS_READY, - * same functionality.} */ - IA_CSS_IRQ_INFO_CSS_RECEIVER_EOL = 1 << 6, - /** the css receiver received the end of line */ - IA_CSS_IRQ_INFO_CSS_RECEIVER_SIDEBAND_CHANGED = 1 << 7, - /** the css receiver received a change in side band signals */ - IA_CSS_IRQ_INFO_CSS_RECEIVER_GEN_SHORT_0 = 1 << 8, - /** generic short packets (0) */ - IA_CSS_IRQ_INFO_CSS_RECEIVER_GEN_SHORT_1 = 1 << 9, - /** generic short packets (1) */ - IA_CSS_IRQ_INFO_IF_PRIM_ERROR = 1 << 10, - /** the primary input formatter (A) has encountered an error */ - IA_CSS_IRQ_INFO_IF_PRIM_B_ERROR = 1 << 11, - /** the primary input formatter (B) has encountered an error */ - IA_CSS_IRQ_INFO_IF_SEC_ERROR = 1 << 12, - /** the secondary input formatter has encountered an error */ - IA_CSS_IRQ_INFO_STREAM_TO_MEM_ERROR = 1 << 13, - /** the stream-to-memory device has encountered an error */ - IA_CSS_IRQ_INFO_SW_0 = 1 << 14, - /** software interrupt 0 */ - IA_CSS_IRQ_INFO_SW_1 = 1 << 15, - /** software interrupt 1 */ - IA_CSS_IRQ_INFO_SW_2 = 1 << 16, - /** software interrupt 2 */ - IA_CSS_IRQ_INFO_ISP_BINARY_STATISTICS_READY = 1 << 17, - /** ISP binary statistics are ready */ - IA_CSS_IRQ_INFO_INPUT_SYSTEM_ERROR = 1 << 18, - /** the input system in in error */ - IA_CSS_IRQ_INFO_IF_ERROR = 1 << 19, - /** the input formatter in in error */ - IA_CSS_IRQ_INFO_DMA_ERROR = 1 << 20, - /** the dma in in error */ - IA_CSS_IRQ_INFO_ISYS_EVENTS_READY = 1 << 21, - /** end-of-frame events are ready in the isys_event queue */ -}; - -/* CSS receiver error types. Whenever the CSS receiver has encountered - * an error, this enumeration is used to indicate which errors have occurred. - * - * Note that multiple error flags can be enabled at once and that this is in - * fact common (whenever an error occurs, it usually results in multiple - * errors). - * - * DEPRECATED: This interface is not portable, different systems have - * different receiver types, or possibly none in case of tests systems. - */ -enum ia_css_rx_irq_info { - IA_CSS_RX_IRQ_INFO_BUFFER_OVERRUN = 1U << 0, /** buffer overrun */ - IA_CSS_RX_IRQ_INFO_ENTER_SLEEP_MODE = 1U << 1, /** entering sleep mode */ - IA_CSS_RX_IRQ_INFO_EXIT_SLEEP_MODE = 1U << 2, /** exited sleep mode */ - IA_CSS_RX_IRQ_INFO_ECC_CORRECTED = 1U << 3, /** ECC corrected */ - IA_CSS_RX_IRQ_INFO_ERR_SOT = 1U << 4, - /** Start of transmission */ - IA_CSS_RX_IRQ_INFO_ERR_SOT_SYNC = 1U << 5, /** SOT sync (??) */ - IA_CSS_RX_IRQ_INFO_ERR_CONTROL = 1U << 6, /** Control (??) */ - IA_CSS_RX_IRQ_INFO_ERR_ECC_DOUBLE = 1U << 7, /** Double ECC */ - IA_CSS_RX_IRQ_INFO_ERR_CRC = 1U << 8, /** CRC error */ - IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ID = 1U << 9, /** Unknown ID */ - IA_CSS_RX_IRQ_INFO_ERR_FRAME_SYNC = 1U << 10,/** Frame sync error */ - IA_CSS_RX_IRQ_INFO_ERR_FRAME_DATA = 1U << 11,/** Frame data error */ - IA_CSS_RX_IRQ_INFO_ERR_DATA_TIMEOUT = 1U << 12,/** Timeout occurred */ - IA_CSS_RX_IRQ_INFO_ERR_UNKNOWN_ESC = 1U << 13,/** Unknown escape seq. */ - IA_CSS_RX_IRQ_INFO_ERR_LINE_SYNC = 1U << 14,/** Line Sync error */ - IA_CSS_RX_IRQ_INFO_INIT_TIMEOUT = 1U << 15, -}; - -/* Interrupt info structure. This structure contains information about an - * interrupt. This needs to be used after an interrupt is received on the IA - * to perform the correct action. - */ -struct ia_css_irq { - enum ia_css_irq_info type; /** Interrupt type. */ - unsigned int sw_irq_0_val; /** In case of SW interrupt 0, value. */ - unsigned int sw_irq_1_val; /** In case of SW interrupt 1, value. */ - unsigned int sw_irq_2_val; /** In case of SW interrupt 2, value. */ - struct ia_css_pipe *pipe; - /** The image pipe that generated the interrupt. */ -}; - -/* @brief Obtain interrupt information. - * - * @param[out] info Pointer to the interrupt info. The interrupt - * information wil be written to this info. - * @return If an error is encountered during the interrupt info - * and no interrupt could be translated successfully, this - * will return IA_CSS_INTERNAL_ERROR. Otherwise - * IA_CSS_SUCCESS. - * - * This function is expected to be executed after an interrupt has been sent - * to the IA from the CSS. This function returns information about the interrupt - * which is needed by the IA code to properly handle the interrupt. This - * information includes the image pipe, buffer type etc. - */ -enum ia_css_err -ia_css_irq_translate(unsigned int *info); - -/* @brief Get CSI receiver error info. - * - * @param[out] irq_bits Pointer to the interrupt bits. The interrupt - * bits will be written this info. - * This will be the error bits that are enabled in the CSI - * receiver error register. - * @return None - * - * This function should be used whenever a CSI receiver error interrupt is - * generated. It provides the detailed information (bits) on the exact error - * that occurred. - * - *@deprecated {this function is DEPRECATED since it only works on CSI port 1. - * Use the function below instead and specify the appropriate port.} - */ -void -ia_css_rx_get_irq_info(unsigned int *irq_bits); - -/* @brief Get CSI receiver error info. - * - * @param[in] port Input port identifier. - * @param[out] irq_bits Pointer to the interrupt bits. The interrupt - * bits will be written this info. - * This will be the error bits that are enabled in the CSI - * receiver error register. - * @return None - * - * This function should be used whenever a CSI receiver error interrupt is - * generated. It provides the detailed information (bits) on the exact error - * that occurred. - */ -void -ia_css_rx_port_get_irq_info(enum mipi_port_id port, unsigned int *irq_bits); - -/* @brief Clear CSI receiver error info. - * - * @param[in] irq_bits The bits that should be cleared from the CSI receiver - * interrupt bits register. - * @return None - * - * This function should be called after ia_css_rx_get_irq_info has been called - * and the error bits have been interpreted. It is advised to use the return - * value of that function as the argument to this function to make sure no new - * error bits get overwritten. - * - * @deprecated{this function is DEPRECATED since it only works on CSI port 1. - * Use the function below instead and specify the appropriate port.} - */ -void -ia_css_rx_clear_irq_info(unsigned int irq_bits); - -/* @brief Clear CSI receiver error info. - * - * @param[in] port Input port identifier. - * @param[in] irq_bits The bits that should be cleared from the CSI receiver - * interrupt bits register. - * @return None - * - * This function should be called after ia_css_rx_get_irq_info has been called - * and the error bits have been interpreted. It is advised to use the return - * value of that function as the argument to this function to make sure no new - * error bits get overwritten. - */ -void -ia_css_rx_port_clear_irq_info(enum mipi_port_id port, unsigned int irq_bits); - -/* @brief Enable or disable specific interrupts. - * - * @param[in] type The interrupt type that will be enabled/disabled. - * @param[in] enable enable or disable. - * @return Returns IA_CSS_INTERNAL_ERROR if this interrupt - * type cannot be enabled/disabled which is true for - * CSS internal interrupts. Otherwise returns - * IA_CSS_SUCCESS. - */ -enum ia_css_err -ia_css_irq_enable(enum ia_css_irq_info type, bool enable); - -#endif /* __IA_CSS_IRQ_H */ |