/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Support for Medifield PNW Camera Imaging ISP subsystem.
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*
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* Copyright (c) 2010 Intel Corporation. All Rights Reserved.
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*
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* Copyright (c) 2010 Silicon Hive www.siliconhive.com.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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*/
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#ifndef __ATOMISP_INTERNAL_H__
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#define __ATOMISP_INTERNAL_H__
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#include "../../include/linux/atomisp_platform.h"
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#include <linux/firmware.h>
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#include <linux/kernel.h>
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#include <linux/pm_qos.h>
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#include <linux/idr.h>
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#include <media/media-device.h>
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#include <media/v4l2-subdev.h>
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/* ISP2400*/
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#include "ia_css_types.h"
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#include "sh_css_legacy.h"
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#include "atomisp_csi2.h"
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#include "atomisp_file.h"
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#include "atomisp_subdev.h"
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#include "atomisp_tpg.h"
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#include "atomisp_compat.h"
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#include "gp_device.h"
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#include "irq.h"
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#include <linux/vmalloc.h>
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#define V4L2_EVENT_FRAME_END 5
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#define IS_HWREVISION(isp, rev) \
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(((isp)->media_dev.hw_revision & ATOMISP_HW_REVISION_MASK) == \
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((rev) << ATOMISP_HW_REVISION_SHIFT))
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#define MAX_STREAM_NUM 2
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#define ATOMISP_PCI_DEVICE_SOC_MASK 0xfff8
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/* MRFLD with 0x1178: ISP freq can burst to 457MHz */
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#define ATOMISP_PCI_DEVICE_SOC_MRFLD 0x1178
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/* MRFLD with 0x1179: max ISP freq limited to 400MHz */
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#define ATOMISP_PCI_DEVICE_SOC_MRFLD_1179 0x1179
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/* MRFLD with 0x117a: max ISP freq is 400MHz and max freq at Vmin is 200MHz */
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#define ATOMISP_PCI_DEVICE_SOC_MRFLD_117A 0x117a
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#define ATOMISP_PCI_DEVICE_SOC_BYT 0x0f38
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#define ATOMISP_PCI_DEVICE_SOC_ANN 0x1478
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#define ATOMISP_PCI_DEVICE_SOC_CHT 0x22b8
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#define ATOMISP_PCI_REV_MRFLD_A0_MAX 0
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#define ATOMISP_PCI_REV_BYT_A0_MAX 4
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#define ATOM_ISP_STEP_WIDTH 2
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#define ATOM_ISP_STEP_HEIGHT 2
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#define ATOM_ISP_MIN_WIDTH 4
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#define ATOM_ISP_MIN_HEIGHT 4
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#define ATOM_ISP_MAX_WIDTH UINT_MAX
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#define ATOM_ISP_MAX_HEIGHT UINT_MAX
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/* sub-QCIF resolution */
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#define ATOM_RESOLUTION_SUBQCIF_WIDTH 128
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#define ATOM_RESOLUTION_SUBQCIF_HEIGHT 96
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#define ATOM_ISP_MAX_WIDTH_TMP 1280
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#define ATOM_ISP_MAX_HEIGHT_TMP 720
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#define ATOM_ISP_I2C_BUS_1 4
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#define ATOM_ISP_I2C_BUS_2 5
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#define ATOM_ISP_POWER_DOWN 0
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#define ATOM_ISP_POWER_UP 1
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#define ATOM_ISP_MAX_INPUTS 4
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#define ATOMISP_SC_TYPE_SIZE 2
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#define ATOMISP_ISP_TIMEOUT_DURATION (2 * HZ)
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#define ATOMISP_EXT_ISP_TIMEOUT_DURATION (6 * HZ)
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#define ATOMISP_ISP_FILE_TIMEOUT_DURATION (60 * HZ)
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#define ATOMISP_WDT_KEEP_CURRENT_DELAY 0
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#define ATOMISP_ISP_MAX_TIMEOUT_COUNT 2
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#define ATOMISP_CSS_STOP_TIMEOUT_US 200000
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#define ATOMISP_CSS_Q_DEPTH 3
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#define ATOMISP_CSS_EVENTS_MAX 16
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#define ATOMISP_CONT_RAW_FRAMES 15
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#define ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL 8
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#define ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL 8
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#define ATOMISP_DELAYED_INIT_NOT_QUEUED 0
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#define ATOMISP_DELAYED_INIT_QUEUED 1
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#define ATOMISP_DELAYED_INIT_DONE 2
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#define ATOMISP_CALC_CSS_PREV_OVERLAP(lines) \
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((lines) * 38 / 100 & 0xfffffe)
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/*
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* Define how fast CPU should be able to serve ISP interrupts.
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* The bigger the value, the higher risk that the ISP is not
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* triggered sufficiently fast for it to process image during
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* vertical blanking time, increasing risk of dropped frames.
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* 1000 us is a reasonable value considering that the processing
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* time is typically ~2000 us.
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*/
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#define ATOMISP_MAX_ISR_LATENCY 1000
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/* Add new YUVPP pipe for SOC sensor. */
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#define ATOMISP_CSS_SUPPORT_YUVPP 1
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#define ATOMISP_CSS_OUTPUT_SECOND_INDEX 1
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#define ATOMISP_CSS_OUTPUT_DEFAULT_INDEX 0
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/*
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* ATOMISP_SOC_CAMERA
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* This is to differentiate between ext-isp and soc camera in
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* Moorefield/Baytrail platform.
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*/
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#define ATOMISP_SOC_CAMERA(asd) \
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(asd->isp->inputs[asd->input_curr].type == SOC_CAMERA \
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&& asd->isp->inputs[asd->input_curr].camera_caps-> \
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sensor[asd->sensor_curr].stream_num == 1)
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#define ATOMISP_USE_YUVPP(asd) \
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(ATOMISP_SOC_CAMERA(asd) && ATOMISP_CSS_SUPPORT_YUVPP && \
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!asd->copy_mode)
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#define ATOMISP_DEPTH_SENSOR_STREAMON_COUNT 2
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#define ATOMISP_DEPTH_DEFAULT_MASTER_SENSOR 0
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#define ATOMISP_DEPTH_DEFAULT_SLAVE_SENSOR 1
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/* ISP2401 */
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#define ATOMISP_ION_DEVICE_FD_OFFSET 16
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#define ATOMISP_ION_SHARED_FD_MASK (0xFFFF)
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#define ATOMISP_ION_DEVICE_FD_MASK (~ATOMISP_ION_SHARED_FD_MASK)
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#define ION_FD_UNSET (-1)
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#define DIV_NEAREST_STEP(n, d, step) \
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round_down((2 * (n) + (d) * (step)) / (2 * (d)), (step))
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struct atomisp_input_subdev {
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unsigned int type;
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enum atomisp_camera_port port;
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struct v4l2_subdev *camera;
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struct v4l2_subdev *motor;
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struct v4l2_frmsizeenum frame_size;
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/*
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* To show this resource is used by
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* which stream, in ISP multiple stream mode
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*/
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struct atomisp_sub_device *asd;
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const struct atomisp_camera_caps *camera_caps;
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int sensor_index;
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};
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enum atomisp_dfs_mode {
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ATOMISP_DFS_MODE_AUTO = 0,
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ATOMISP_DFS_MODE_LOW,
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ATOMISP_DFS_MODE_MAX,
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};
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struct atomisp_regs {
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/* PCI config space info */
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u16 pcicmdsts;
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u32 ispmmadr;
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u32 msicap;
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u32 msi_addr;
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u16 msi_data;
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u8 intr;
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u32 interrupt_control;
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u32 pmcs;
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u32 cg_dis;
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u32 i_control;
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/* I-Unit PHY related info */
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u32 csi_rcomp_config;
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u32 csi_afe_dly;
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u32 csi_control;
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/* New for MRFLD */
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u32 csi_afe_rcomp_config;
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u32 csi_afe_hs_control;
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u32 csi_deadline_control;
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u32 csi_access_viol;
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};
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struct atomisp_sw_contex {
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bool file_input;
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int power_state;
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int running_freq;
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};
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#define ATOMISP_DEVICE_STREAMING_DISABLED 0
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#define ATOMISP_DEVICE_STREAMING_ENABLED 1
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#define ATOMISP_DEVICE_STREAMING_STOPPING 2
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/*
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* ci device struct
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*/
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struct atomisp_device {
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struct device *dev;
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struct v4l2_device v4l2_dev;
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struct media_device media_dev;
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struct atomisp_platform_data *pdata;
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void *mmu_l1_base;
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void __iomem *base;
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const struct firmware *firmware;
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struct pm_qos_request pm_qos;
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s32 max_isr_latency;
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/*
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* ISP modules
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* Multiple streams are represents by multiple
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* atomisp_sub_device instances
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*/
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struct atomisp_sub_device *asd;
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/*
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* this will be assigned dyanamically.
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* For Merr/BTY(ISP2400), 2 streams are supported.
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*/
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unsigned int num_of_streams;
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struct atomisp_mipi_csi2_device csi2_port[ATOMISP_CAMERA_NR_PORTS];
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struct atomisp_tpg_device tpg;
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struct atomisp_file_device file_dev;
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/* Purpose of mutex is to protect and serialize use of isp data
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* structures and css API calls. */
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struct rt_mutex mutex;
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/*
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* Serialise streamoff: mutex is dropped during streamoff to
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* cancel the watchdog queue. MUST be acquired BEFORE
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* "mutex".
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*/
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struct mutex streamoff_mutex;
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unsigned int input_cnt;
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struct atomisp_input_subdev inputs[ATOM_ISP_MAX_INPUTS];
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struct v4l2_subdev *flash;
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struct v4l2_subdev *motor;
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struct atomisp_regs saved_regs;
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struct atomisp_sw_contex sw_contex;
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struct atomisp_css_env css_env;
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/* isp timeout status flag */
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bool isp_timeout;
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bool isp_fatal_error;
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struct workqueue_struct *wdt_work_queue;
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struct work_struct wdt_work;
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/* ISP2400 */
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atomic_t wdt_count;
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atomic_t wdt_work_queued;
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spinlock_t lock; /* Just for streaming below */
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bool need_gfx_throttle;
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unsigned int mipi_frame_size;
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const struct atomisp_dfs_config *dfs;
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unsigned int hpll_freq;
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bool css_initialized;
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};
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#define v4l2_dev_to_atomisp_device(dev) \
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container_of(dev, struct atomisp_device, v4l2_dev)
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extern struct device *atomisp_dev;
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#define atomisp_is_wdt_running(a) timer_pending(&(a)->wdt)
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/* ISP2401 */
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void atomisp_wdt_refresh_pipe(struct atomisp_video_pipe *pipe,
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unsigned int delay);
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void atomisp_wdt_refresh(struct atomisp_sub_device *asd, unsigned int delay);
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/* ISP2400 */
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void atomisp_wdt_start(struct atomisp_sub_device *asd);
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/* ISP2401 */
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void atomisp_wdt_start_pipe(struct atomisp_video_pipe *pipe);
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void atomisp_wdt_stop_pipe(struct atomisp_video_pipe *pipe, bool sync);
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void atomisp_wdt_stop(struct atomisp_sub_device *asd, bool sync);
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#endif /* __ATOMISP_INTERNAL_H__ */
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