drivers/staging/media/atomisp/pci/atomisp_internal.h - linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Support for Medifield PNW Camera Imaging ISP subsystem.
  *
  * Copyright (c) 2010 Intel Corporation. All Rights Reserved.
  *
  * Copyright (c) 2010 Silicon Hive www.siliconhive.com.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License version
  * 2 as published by the Free Software Foundation.
  *
  * This program is distributed in the hope that 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 __ATOMISP_INTERNAL_H__
 #define __ATOMISP_INTERNAL_H__

 #include "../../include/linux/atomisp_platform.h"
 #include <linux/firmware.h>
 #include <linux/kernel.h>
 #include <linux/pm_qos.h>
 #include <linux/idr.h>

 #include <media/media-device.h>
 #include <media/v4l2-async.h>
 #include <media/v4l2-subdev.h>

 /* ISP2400*/
 #include "ia_css_types.h"
 #include "sh_css_legacy.h"

 #include "atomisp_csi2.h"
 #include "atomisp_subdev.h"
 #include "atomisp_tpg.h"
 #include "atomisp_compat.h"

 #include "gp_device.h"
 #include "irq.h"
 #include <linux/vmalloc.h>

 #define V4L2_EVENT_FRAME_END          5

 #define IS_HWREVISION(isp, rev) \
 	(((isp)->media_dev.hw_revision & ATOMISP_HW_REVISION_MASK) == \
 	 ((rev) << ATOMISP_HW_REVISION_SHIFT))

 #define ATOMISP_PCI_DEVICE_SOC_MASK	0xfff8
 /* MRFLD with 0x1178: ISP freq can burst to 457MHz */
 #define ATOMISP_PCI_DEVICE_SOC_MRFLD	0x1178
 /* MRFLD with 0x1179: max ISP freq limited to 400MHz */
 #define ATOMISP_PCI_DEVICE_SOC_MRFLD_1179	0x1179
 /* MRFLD with 0x117a: max ISP freq is 400MHz and max freq at Vmin is 200MHz */
 #define ATOMISP_PCI_DEVICE_SOC_MRFLD_117A	0x117a
 #define ATOMISP_PCI_DEVICE_SOC_BYT	0x0f38
 #define ATOMISP_PCI_DEVICE_SOC_ANN	0x1478
 #define ATOMISP_PCI_DEVICE_SOC_CHT	0x22b8

 #define ATOMISP_PCI_REV_MRFLD_A0_MAX	0
 #define ATOMISP_PCI_REV_BYT_A0_MAX	4

 #define ATOM_ISP_STEP_WIDTH	2
 #define ATOM_ISP_STEP_HEIGHT	2

 #define ATOM_ISP_MIN_WIDTH	4
 #define ATOM_ISP_MIN_HEIGHT	4
 #define ATOM_ISP_MAX_WIDTH	UINT_MAX
 #define ATOM_ISP_MAX_HEIGHT	UINT_MAX

 /* sub-QCIF resolution */
 #define ATOM_RESOLUTION_SUBQCIF_WIDTH	128
 #define ATOM_RESOLUTION_SUBQCIF_HEIGHT	96

 #define ATOM_ISP_I2C_BUS_1	4
 #define ATOM_ISP_I2C_BUS_2	5

 #define ATOM_ISP_POWER_DOWN	0
 #define ATOM_ISP_POWER_UP	1

 #define ATOM_ISP_MAX_INPUTS	3

 #define ATOMISP_SC_TYPE_SIZE	2

 #define ATOMISP_ISP_TIMEOUT_DURATION		(2 * HZ)
 #define ATOMISP_EXT_ISP_TIMEOUT_DURATION        (6 * HZ)
 #define ATOMISP_WDT_KEEP_CURRENT_DELAY          0
 #define ATOMISP_ISP_MAX_TIMEOUT_COUNT	2
 #define ATOMISP_CSS_STOP_TIMEOUT_US	200000

 #define ATOMISP_CSS_Q_DEPTH	3
 #define ATOMISP_CSS_EVENTS_MAX  16
 #define ATOMISP_CONT_RAW_FRAMES 15
 #define ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL	8
 #define ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL	8

 /*
  * Define how fast CPU should be able to serve ISP interrupts.
  * The bigger the value, the higher risk that the ISP is not
  * triggered sufficiently fast for it to process image during
  * vertical blanking time, increasing risk of dropped frames.
  * 1000 us is a reasonable value considering that the processing
  * time is typically ~2000 us.
  */
 #define ATOMISP_MAX_ISR_LATENCY	1000

 /* Add new YUVPP pipe for SOC sensor. */
 #define ATOMISP_CSS_SUPPORT_YUVPP     1

 #define ATOMISP_CSS_OUTPUT_SECOND_INDEX     1
 #define ATOMISP_CSS_OUTPUT_DEFAULT_INDEX    0

 /* ISP2401 */
 #define ATOMISP_ION_DEVICE_FD_OFFSET   16
 #define ATOMISP_ION_SHARED_FD_MASK     (0xFFFF)
 #define ATOMISP_ION_DEVICE_FD_MASK     (~ATOMISP_ION_SHARED_FD_MASK)
 #define ION_FD_UNSET (-1)

 #define DIV_NEAREST_STEP(n, d, step) \
 	round_down((2 * (n) + (d) * (step)) / (2 * (d)), (step))

 struct atomisp_input_subdev {
 	unsigned int type;
 	enum atomisp_camera_port port;
 	u32 code; /* MEDIA_BUS_FMT_* */
 	bool binning_support;
 	bool crop_support;
 	struct v4l2_subdev *camera;
 	/* Sensor rects for sensors which support crop */
 	struct v4l2_rect native_rect;
 	struct v4l2_rect active_rect;
 	/* Sensor state for which == V4L2_SUBDEV_FORMAT_TRY calls */
 	struct v4l2_subdev_state *try_sd_state;

 	struct v4l2_subdev *motor;

 	/*
 	 * To show this resource is used by
 	 * which stream, in ISP multiple stream mode
 	 */
 	struct atomisp_sub_device *asd;
 };

 enum atomisp_dfs_mode {
 	ATOMISP_DFS_MODE_AUTO = 0,
 	ATOMISP_DFS_MODE_LOW,
 	ATOMISP_DFS_MODE_MAX,
 };

 struct atomisp_regs {
 	/* PCI config space info */
 	u16 pcicmdsts;
 	u32 ispmmadr;
 	u32 msicap;
 	u32 msi_addr;
 	u16 msi_data;
 	u8 intr;
 	u32 interrupt_control;
 	u32 pmcs;
 	u32 cg_dis;
 	u32 i_control;

 	/* I-Unit PHY related info */
 	u32 csi_rcomp_config;
 	u32 csi_afe_dly;
 	u32 csi_control;

 	/* New for MRFLD */
 	u32 csi_afe_rcomp_config;
 	u32 csi_afe_hs_control;
 	u32 csi_deadline_control;
 	u32 csi_access_viol;
 };

 /*
  * ci device struct
  */
 struct atomisp_device {
 	struct device *dev;
 	struct v4l2_device v4l2_dev;
 	struct media_device media_dev;
 	struct atomisp_sub_device asd;
 	struct v4l2_async_notifier notifier;
 	struct atomisp_platform_data *pdata;
 	void *mmu_l1_base;
 	void __iomem *base;
 	const struct firmware *firmware;

 	struct dev_pm_domain pm_domain;
 	struct pm_qos_request pm_qos;
 	s32 max_isr_latency;

 	struct atomisp_mipi_csi2_device csi2_port[ATOMISP_CAMERA_NR_PORTS];
 	struct atomisp_tpg_device tpg;

 	/* Purpose of mutex is to protect and serialize use of isp data
 	 * structures and css API calls. */
 	struct mutex mutex;

 	/*
 	 * Number of lanes used by each sensor per port.
 	 * Note this is indexed by mipi_port_id not atomisp_camera_port.
 	 */
 	int sensor_lanes[N_MIPI_PORT_ID];
 	struct v4l2_subdev *sensor_subdevs[ATOMISP_CAMERA_NR_PORTS];
 	unsigned int input_cnt;
 	struct atomisp_input_subdev inputs[ATOM_ISP_MAX_INPUTS];
 	struct v4l2_subdev *flash;
 	struct v4l2_subdev *motor;

 	struct atomisp_regs saved_regs;
 	struct atomisp_css_env css_env;

 	bool isp_fatal_error;
 	struct work_struct assert_recovery_work;

 	spinlock_t lock; /* Protects asd.streaming */

 	const struct atomisp_dfs_config *dfs;
 	unsigned int hpll_freq;
 	unsigned int running_freq;

 	bool css_initialized;
 };

 #define v4l2_dev_to_atomisp_device(dev) \
 	container_of(dev, struct atomisp_device, v4l2_dev)

 extern struct device *atomisp_dev;

 #endif /* __ATOMISP_INTERNAL_H__ */
	/* SPDX-License-Identifier: GPL-2.0 */
	/*
	* Support for Medifield PNW Camera Imaging ISP subsystem.
	*
	* Copyright (c) 2010 Intel Corporation. All Rights Reserved.
	*
	* Copyright (c) 2010 Silicon Hive www.siliconhive.com.
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License version
	* 2 as published by the Free Software Foundation.
	*
	* This program is distributed in the hope that 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 __ATOMISP_INTERNAL_H__
	#define __ATOMISP_INTERNAL_H__

	#include "../../include/linux/atomisp_platform.h"
	#include <linux/firmware.h>
	#include <linux/kernel.h>
	#include <linux/pm_qos.h>
	#include <linux/idr.h>

	#include <media/media-device.h>
	#include <media/v4l2-async.h>
	#include <media/v4l2-subdev.h>

	/* ISP2400*/
	#include "ia_css_types.h"
	#include "sh_css_legacy.h"

	#include "atomisp_csi2.h"
	#include "atomisp_subdev.h"
	#include "atomisp_tpg.h"
	#include "atomisp_compat.h"

	#include "gp_device.h"
	#include "irq.h"
	#include <linux/vmalloc.h>

	#define V4L2_EVENT_FRAME_END 5

	#define IS_HWREVISION(isp, rev) \
	(((isp)->media_dev.hw_revision & ATOMISP_HW_REVISION_MASK) == \
	((rev) << ATOMISP_HW_REVISION_SHIFT))

	#define ATOMISP_PCI_DEVICE_SOC_MASK 0xfff8
	/* MRFLD with 0x1178: ISP freq can burst to 457MHz */
	#define ATOMISP_PCI_DEVICE_SOC_MRFLD 0x1178
	/* MRFLD with 0x1179: max ISP freq limited to 400MHz */
	#define ATOMISP_PCI_DEVICE_SOC_MRFLD_1179 0x1179
	/* MRFLD with 0x117a: max ISP freq is 400MHz and max freq at Vmin is 200MHz */
	#define ATOMISP_PCI_DEVICE_SOC_MRFLD_117A 0x117a
	#define ATOMISP_PCI_DEVICE_SOC_BYT 0x0f38
	#define ATOMISP_PCI_DEVICE_SOC_ANN 0x1478
	#define ATOMISP_PCI_DEVICE_SOC_CHT 0x22b8

	#define ATOMISP_PCI_REV_MRFLD_A0_MAX 0
	#define ATOMISP_PCI_REV_BYT_A0_MAX 4

	#define ATOM_ISP_STEP_WIDTH 2
	#define ATOM_ISP_STEP_HEIGHT 2

	#define ATOM_ISP_MIN_WIDTH 4
	#define ATOM_ISP_MIN_HEIGHT 4
	#define ATOM_ISP_MAX_WIDTH UINT_MAX
	#define ATOM_ISP_MAX_HEIGHT UINT_MAX

	/* sub-QCIF resolution */
	#define ATOM_RESOLUTION_SUBQCIF_WIDTH 128
	#define ATOM_RESOLUTION_SUBQCIF_HEIGHT 96

	#define ATOM_ISP_I2C_BUS_1 4
	#define ATOM_ISP_I2C_BUS_2 5

	#define ATOM_ISP_POWER_DOWN 0
	#define ATOM_ISP_POWER_UP 1

	#define ATOM_ISP_MAX_INPUTS 3

	#define ATOMISP_SC_TYPE_SIZE 2

	#define ATOMISP_ISP_TIMEOUT_DURATION (2 * HZ)
	#define ATOMISP_EXT_ISP_TIMEOUT_DURATION (6 * HZ)
	#define ATOMISP_WDT_KEEP_CURRENT_DELAY 0
	#define ATOMISP_ISP_MAX_TIMEOUT_COUNT 2
	#define ATOMISP_CSS_STOP_TIMEOUT_US 200000

	#define ATOMISP_CSS_Q_DEPTH 3
	#define ATOMISP_CSS_EVENTS_MAX 16
	#define ATOMISP_CONT_RAW_FRAMES 15
	#define ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL 8
	#define ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL 8

	/*
	* Define how fast CPU should be able to serve ISP interrupts.
	* The bigger the value, the higher risk that the ISP is not
	* triggered sufficiently fast for it to process image during
	* vertical blanking time, increasing risk of dropped frames.
	* 1000 us is a reasonable value considering that the processing
	* time is typically ~2000 us.
	*/
	#define ATOMISP_MAX_ISR_LATENCY 1000

	/* Add new YUVPP pipe for SOC sensor. */
	#define ATOMISP_CSS_SUPPORT_YUVPP 1

	#define ATOMISP_CSS_OUTPUT_SECOND_INDEX 1
	#define ATOMISP_CSS_OUTPUT_DEFAULT_INDEX 0

	/* ISP2401 */
	#define ATOMISP_ION_DEVICE_FD_OFFSET 16
	#define ATOMISP_ION_SHARED_FD_MASK (0xFFFF)
	#define ATOMISP_ION_DEVICE_FD_MASK (~ATOMISP_ION_SHARED_FD_MASK)
	#define ION_FD_UNSET (-1)

	#define DIV_NEAREST_STEP(n, d, step) \
	round_down((2 * (n) + (d) * (step)) / (2 * (d)), (step))

	struct atomisp_input_subdev {
	unsigned int type;
	enum atomisp_camera_port port;
	u32 code; /* MEDIA_BUS_FMT_* */
	bool binning_support;
	bool crop_support;
	struct v4l2_subdev *camera;
	/* Sensor rects for sensors which support crop */
	struct v4l2_rect native_rect;
	struct v4l2_rect active_rect;
	/* Sensor state for which == V4L2_SUBDEV_FORMAT_TRY calls */
	struct v4l2_subdev_state *try_sd_state;

	struct v4l2_subdev *motor;

	/*
	* To show this resource is used by
	* which stream, in ISP multiple stream mode
	*/
	struct atomisp_sub_device *asd;
	};

	enum atomisp_dfs_mode {
	ATOMISP_DFS_MODE_AUTO = 0,
	ATOMISP_DFS_MODE_LOW,
	ATOMISP_DFS_MODE_MAX,
	};

	struct atomisp_regs {
	/* PCI config space info */
	u16 pcicmdsts;
	u32 ispmmadr;
	u32 msicap;
	u32 msi_addr;
	u16 msi_data;
	u8 intr;
	u32 interrupt_control;
	u32 pmcs;
	u32 cg_dis;
	u32 i_control;

	/* I-Unit PHY related info */
	u32 csi_rcomp_config;
	u32 csi_afe_dly;
	u32 csi_control;

	/* New for MRFLD */
	u32 csi_afe_rcomp_config;
	u32 csi_afe_hs_control;
	u32 csi_deadline_control;
	u32 csi_access_viol;
	};

	/*
	* ci device struct
	*/
	struct atomisp_device {
	struct device *dev;
	struct v4l2_device v4l2_dev;
	struct media_device media_dev;
	struct atomisp_sub_device asd;
	struct v4l2_async_notifier notifier;
	struct atomisp_platform_data *pdata;
	void *mmu_l1_base;
	void __iomem *base;
	const struct firmware *firmware;

	struct dev_pm_domain pm_domain;
	struct pm_qos_request pm_qos;
	s32 max_isr_latency;

	struct atomisp_mipi_csi2_device csi2_port[ATOMISP_CAMERA_NR_PORTS];
	struct atomisp_tpg_device tpg;

	/* Purpose of mutex is to protect and serialize use of isp data
	* structures and css API calls. */
	struct mutex mutex;

	/*
	* Number of lanes used by each sensor per port.
	* Note this is indexed by mipi_port_id not atomisp_camera_port.
	*/
	int sensor_lanes[N_MIPI_PORT_ID];
	struct v4l2_subdev *sensor_subdevs[ATOMISP_CAMERA_NR_PORTS];
	unsigned int input_cnt;
	struct atomisp_input_subdev inputs[ATOM_ISP_MAX_INPUTS];
	struct v4l2_subdev *flash;
	struct v4l2_subdev *motor;

	struct atomisp_regs saved_regs;
	struct atomisp_css_env css_env;

	bool isp_fatal_error;
	struct work_struct assert_recovery_work;

	spinlock_t lock; /* Protects asd.streaming */

	const struct atomisp_dfs_config *dfs;
	unsigned int hpll_freq;
	unsigned int running_freq;

	bool css_initialized;
	};

	#define v4l2_dev_to_atomisp_device(dev) \
	container_of(dev, struct atomisp_device, v4l2_dev)

	extern struct device *atomisp_dev;

	#endif /* __ATOMISP_INTERNAL_H__ */