/* * 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 #include #include #include #include #include #ifndef ISP2401 #include "ia_css_types.h" #include "sh_css_legacy.h" #else /*#include "ia_css_types.h"*/ /*#include "sh_css_legacy.h"*/ #endif #include "atomisp_csi2.h" #include "atomisp_file.h" #include "atomisp_subdev.h" #include "atomisp_tpg.h" #include "atomisp_compat.h" #include "gp_device.h" #include "irq.h" #include #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 MAX_STREAM_NUM 2 #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_MAX_WIDTH_TMP 1280 #define ATOM_ISP_MAX_HEIGHT_TMP 720 #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 4 #define ATOMISP_SC_TYPE_SIZE 2 #define ATOMISP_ISP_TIMEOUT_DURATION (2 * HZ) #define ATOMISP_EXT_ISP_TIMEOUT_DURATION (6 * HZ) #define ATOMISP_ISP_FILE_TIMEOUT_DURATION (60 * 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 ATOMISP_DELAYED_INIT_NOT_QUEUED 0 #define ATOMISP_DELAYED_INIT_QUEUED 1 #define ATOMISP_DELAYED_INIT_DONE 2 #define ATOMISP_CALC_CSS_PREV_OVERLAP(lines) \ ((lines) * 38 / 100 & 0xfffffe) /* * 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 /* * ATOMISP_SOC_CAMERA * This is to differentiate between ext-isp and soc camera in * Moorefield/Baytrail platform. */ #define ATOMISP_SOC_CAMERA(asd) \ (asd->isp->inputs[asd->input_curr].type == SOC_CAMERA \ && asd->isp->inputs[asd->input_curr].camera_caps-> \ sensor[asd->sensor_curr].stream_num == 1) #define ATOMISP_USE_YUVPP(asd) \ (ATOMISP_SOC_CAMERA(asd) && ATOMISP_CSS_SUPPORT_YUVPP && \ !asd->copy_mode) #define ATOMISP_DEPTH_SENSOR_STREAMON_COUNT 2 #define ATOMISP_DEPTH_DEFAULT_MASTER_SENSOR 0 #define ATOMISP_DEPTH_DEFAULT_SLAVE_SENSOR 1 #ifdef 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) #endif #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; struct v4l2_subdev *camera; struct v4l2_subdev *motor; struct v4l2_frmsizeenum frame_size; /* * To show this resource is used by * which stream, in ISP multiple stream mode */ struct atomisp_sub_device *asd; const struct atomisp_camera_caps *camera_caps; int sensor_index; }; 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; }; struct atomisp_sw_contex { bool file_input; int power_state; int running_freq; }; #define ATOMISP_DEVICE_STREAMING_DISABLED 0 #define ATOMISP_DEVICE_STREAMING_ENABLED 1 #define ATOMISP_DEVICE_STREAMING_STOPPING 2 /* * ci device struct */ struct atomisp_device { struct pci_dev *pdev; struct device *dev; struct v4l2_device v4l2_dev; struct media_device media_dev; struct atomisp_platform_data *pdata; void *mmu_l1_base; const struct firmware *firmware; struct pm_qos_request pm_qos; s32 max_isr_latency; /* * ISP modules * Multiple streams are represents by multiple * atomisp_sub_device instances */ struct atomisp_sub_device *asd; /* * this will be assiged dyanamically. * For Merr/BTY(ISP2400), 2 streams are supported. */ unsigned int num_of_streams; struct atomisp_mipi_csi2_device csi2_port[ATOMISP_CAMERA_NR_PORTS]; struct atomisp_tpg_device tpg; struct atomisp_file_device file_dev; /* Purpose of mutex is to protect and serialize use of isp data * structures and css API calls. */ struct rt_mutex mutex; /* * Serialise streamoff: mutex is dropped during streamoff to * cancel the watchdog queue. MUST be acquired BEFORE * "mutex". */ struct mutex streamoff_mutex; 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_sw_contex sw_contex; struct atomisp_css_env css_env; /* isp timeout status flag */ bool isp_timeout; bool isp_fatal_error; struct workqueue_struct *wdt_work_queue; struct work_struct wdt_work; #ifndef ISP2401 atomic_t wdt_count; #endif atomic_t wdt_work_queued; spinlock_t lock; /* Just for streaming below */ bool need_gfx_throttle; unsigned int mipi_frame_size; const struct atomisp_dfs_config *dfs; unsigned int hpll_freq; bool css_initialized; }; #define v4l2_dev_to_atomisp_device(dev) \ container_of(dev, struct atomisp_device, v4l2_dev) extern struct device *atomisp_dev; #define atomisp_is_wdt_running(a) timer_pending(&(a)->wdt) #ifdef ISP2401 extern void atomisp_wdt_refresh_pipe(struct atomisp_video_pipe *pipe, unsigned int delay); #endif extern void atomisp_wdt_refresh(struct atomisp_sub_device *asd, unsigned int delay); #ifndef ISP2401 extern void atomisp_wdt_start(struct atomisp_sub_device *asd); #else extern void atomisp_wdt_start(struct atomisp_video_pipe *pipe); extern void atomisp_wdt_stop_pipe(struct atomisp_video_pipe *pipe, bool sync); #endif extern void atomisp_wdt_stop(struct atomisp_sub_device *asd, bool sync); #endif /* __ATOMISP_INTERNAL_H__ */