1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Support for Medifield PNW Camera Imaging ISP subsystem. 4 * 5 * Copyright (c) 2010 Intel Corporation. All Rights Reserved. 6 * 7 * Copyright (c) 2010 Silicon Hive www.siliconhive.com. 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License version 11 * 2 as published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * 19 */ 20 #ifndef __ATOMISP_INTERNAL_H__ 21 #define __ATOMISP_INTERNAL_H__ 22 23 #include "../../include/linux/atomisp_platform.h" 24 #include <linux/firmware.h> 25 #include <linux/kernel.h> 26 #include <linux/pm_qos.h> 27 #include <linux/idr.h> 28 29 #include <media/media-device.h> 30 #include <media/v4l2-subdev.h> 31 32 /* ISP2400*/ 33 #include "ia_css_types.h" 34 #include "sh_css_legacy.h" 35 36 #include "atomisp_csi2.h" 37 #include "atomisp_subdev.h" 38 #include "atomisp_tpg.h" 39 #include "atomisp_compat.h" 40 41 #include "gp_device.h" 42 #include "irq.h" 43 #include <linux/vmalloc.h> 44 45 #define V4L2_EVENT_FRAME_END 5 46 47 #define IS_HWREVISION(isp, rev) \ 48 (((isp)->media_dev.hw_revision & ATOMISP_HW_REVISION_MASK) == \ 49 ((rev) << ATOMISP_HW_REVISION_SHIFT)) 50 51 #define ATOMISP_PCI_DEVICE_SOC_MASK 0xfff8 52 /* MRFLD with 0x1178: ISP freq can burst to 457MHz */ 53 #define ATOMISP_PCI_DEVICE_SOC_MRFLD 0x1178 54 /* MRFLD with 0x1179: max ISP freq limited to 400MHz */ 55 #define ATOMISP_PCI_DEVICE_SOC_MRFLD_1179 0x1179 56 /* MRFLD with 0x117a: max ISP freq is 400MHz and max freq at Vmin is 200MHz */ 57 #define ATOMISP_PCI_DEVICE_SOC_MRFLD_117A 0x117a 58 #define ATOMISP_PCI_DEVICE_SOC_BYT 0x0f38 59 #define ATOMISP_PCI_DEVICE_SOC_ANN 0x1478 60 #define ATOMISP_PCI_DEVICE_SOC_CHT 0x22b8 61 62 #define ATOMISP_PCI_REV_MRFLD_A0_MAX 0 63 #define ATOMISP_PCI_REV_BYT_A0_MAX 4 64 65 #define ATOM_ISP_STEP_WIDTH 2 66 #define ATOM_ISP_STEP_HEIGHT 2 67 68 #define ATOM_ISP_MIN_WIDTH 4 69 #define ATOM_ISP_MIN_HEIGHT 4 70 #define ATOM_ISP_MAX_WIDTH UINT_MAX 71 #define ATOM_ISP_MAX_HEIGHT UINT_MAX 72 73 /* sub-QCIF resolution */ 74 #define ATOM_RESOLUTION_SUBQCIF_WIDTH 128 75 #define ATOM_RESOLUTION_SUBQCIF_HEIGHT 96 76 77 #define ATOM_ISP_I2C_BUS_1 4 78 #define ATOM_ISP_I2C_BUS_2 5 79 80 #define ATOM_ISP_POWER_DOWN 0 81 #define ATOM_ISP_POWER_UP 1 82 83 #define ATOM_ISP_MAX_INPUTS 3 84 85 #define ATOMISP_SC_TYPE_SIZE 2 86 87 #define ATOMISP_ISP_TIMEOUT_DURATION (2 * HZ) 88 #define ATOMISP_EXT_ISP_TIMEOUT_DURATION (6 * HZ) 89 #define ATOMISP_WDT_KEEP_CURRENT_DELAY 0 90 #define ATOMISP_ISP_MAX_TIMEOUT_COUNT 2 91 #define ATOMISP_CSS_STOP_TIMEOUT_US 200000 92 93 #define ATOMISP_CSS_Q_DEPTH 3 94 #define ATOMISP_CSS_EVENTS_MAX 16 95 #define ATOMISP_CONT_RAW_FRAMES 15 96 #define ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL 8 97 #define ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL 8 98 99 /* 100 * Define how fast CPU should be able to serve ISP interrupts. 101 * The bigger the value, the higher risk that the ISP is not 102 * triggered sufficiently fast for it to process image during 103 * vertical blanking time, increasing risk of dropped frames. 104 * 1000 us is a reasonable value considering that the processing 105 * time is typically ~2000 us. 106 */ 107 #define ATOMISP_MAX_ISR_LATENCY 1000 108 109 /* Add new YUVPP pipe for SOC sensor. */ 110 #define ATOMISP_CSS_SUPPORT_YUVPP 1 111 112 #define ATOMISP_CSS_OUTPUT_SECOND_INDEX 1 113 #define ATOMISP_CSS_OUTPUT_DEFAULT_INDEX 0 114 115 /* ISP2401 */ 116 #define ATOMISP_ION_DEVICE_FD_OFFSET 16 117 #define ATOMISP_ION_SHARED_FD_MASK (0xFFFF) 118 #define ATOMISP_ION_DEVICE_FD_MASK (~ATOMISP_ION_SHARED_FD_MASK) 119 #define ION_FD_UNSET (-1) 120 121 #define DIV_NEAREST_STEP(n, d, step) \ 122 round_down((2 * (n) + (d) * (step)) / (2 * (d)), (step)) 123 124 struct atomisp_input_subdev { 125 unsigned int type; 126 enum atomisp_camera_port port; 127 struct v4l2_subdev *camera; 128 struct v4l2_subdev *motor; 129 struct v4l2_frmsizeenum frame_size; 130 131 /* 132 * To show this resource is used by 133 * which stream, in ISP multiple stream mode 134 */ 135 struct atomisp_sub_device *asd; 136 137 int sensor_index; 138 }; 139 140 enum atomisp_dfs_mode { 141 ATOMISP_DFS_MODE_AUTO = 0, 142 ATOMISP_DFS_MODE_LOW, 143 ATOMISP_DFS_MODE_MAX, 144 }; 145 146 struct atomisp_regs { 147 /* PCI config space info */ 148 u16 pcicmdsts; 149 u32 ispmmadr; 150 u32 msicap; 151 u32 msi_addr; 152 u16 msi_data; 153 u8 intr; 154 u32 interrupt_control; 155 u32 pmcs; 156 u32 cg_dis; 157 u32 i_control; 158 159 /* I-Unit PHY related info */ 160 u32 csi_rcomp_config; 161 u32 csi_afe_dly; 162 u32 csi_control; 163 164 /* New for MRFLD */ 165 u32 csi_afe_rcomp_config; 166 u32 csi_afe_hs_control; 167 u32 csi_deadline_control; 168 u32 csi_access_viol; 169 }; 170 171 #define ATOMISP_DEVICE_STREAMING_DISABLED 0 172 #define ATOMISP_DEVICE_STREAMING_ENABLED 1 173 #define ATOMISP_DEVICE_STREAMING_STOPPING 2 174 175 /* 176 * ci device struct 177 */ 178 struct atomisp_device { 179 struct device *dev; 180 struct v4l2_device v4l2_dev; 181 struct media_device media_dev; 182 struct atomisp_sub_device asd; 183 struct atomisp_platform_data *pdata; 184 void *mmu_l1_base; 185 void __iomem *base; 186 const struct firmware *firmware; 187 188 struct dev_pm_domain pm_domain; 189 struct pm_qos_request pm_qos; 190 s32 max_isr_latency; 191 192 struct atomisp_mipi_csi2_device csi2_port[ATOMISP_CAMERA_NR_PORTS]; 193 struct atomisp_tpg_device tpg; 194 195 /* Purpose of mutex is to protect and serialize use of isp data 196 * structures and css API calls. */ 197 struct mutex mutex; 198 199 unsigned int input_cnt; 200 struct atomisp_input_subdev inputs[ATOM_ISP_MAX_INPUTS]; 201 struct v4l2_subdev *flash; 202 struct v4l2_subdev *motor; 203 204 struct atomisp_regs saved_regs; 205 struct atomisp_css_env css_env; 206 207 /* isp timeout status flag */ 208 bool isp_timeout; 209 bool isp_fatal_error; 210 struct work_struct assert_recovery_work; 211 212 spinlock_t lock; /* Protects asd.streaming */ 213 214 bool need_gfx_throttle; 215 216 unsigned int mipi_frame_size; 217 const struct atomisp_dfs_config *dfs; 218 unsigned int hpll_freq; 219 unsigned int running_freq; 220 221 bool css_initialized; 222 }; 223 224 #define v4l2_dev_to_atomisp_device(dev) \ 225 container_of(dev, struct atomisp_device, v4l2_dev) 226 227 extern struct device *atomisp_dev; 228 229 #endif /* __ATOMISP_INTERNAL_H__ */ 230