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 MAX_STREAM_NUM 2 52 53 #define ATOMISP_PCI_DEVICE_SOC_MASK 0xfff8 54 /* MRFLD with 0x1178: ISP freq can burst to 457MHz */ 55 #define ATOMISP_PCI_DEVICE_SOC_MRFLD 0x1178 56 /* MRFLD with 0x1179: max ISP freq limited to 400MHz */ 57 #define ATOMISP_PCI_DEVICE_SOC_MRFLD_1179 0x1179 58 /* MRFLD with 0x117a: max ISP freq is 400MHz and max freq at Vmin is 200MHz */ 59 #define ATOMISP_PCI_DEVICE_SOC_MRFLD_117A 0x117a 60 #define ATOMISP_PCI_DEVICE_SOC_BYT 0x0f38 61 #define ATOMISP_PCI_DEVICE_SOC_ANN 0x1478 62 #define ATOMISP_PCI_DEVICE_SOC_CHT 0x22b8 63 64 #define ATOMISP_PCI_REV_MRFLD_A0_MAX 0 65 #define ATOMISP_PCI_REV_BYT_A0_MAX 4 66 67 #define ATOM_ISP_STEP_WIDTH 2 68 #define ATOM_ISP_STEP_HEIGHT 2 69 70 #define ATOM_ISP_MIN_WIDTH 4 71 #define ATOM_ISP_MIN_HEIGHT 4 72 #define ATOM_ISP_MAX_WIDTH UINT_MAX 73 #define ATOM_ISP_MAX_HEIGHT UINT_MAX 74 75 /* sub-QCIF resolution */ 76 #define ATOM_RESOLUTION_SUBQCIF_WIDTH 128 77 #define ATOM_RESOLUTION_SUBQCIF_HEIGHT 96 78 79 #define ATOM_ISP_MAX_WIDTH_TMP 1280 80 #define ATOM_ISP_MAX_HEIGHT_TMP 720 81 82 #define ATOM_ISP_I2C_BUS_1 4 83 #define ATOM_ISP_I2C_BUS_2 5 84 85 #define ATOM_ISP_POWER_DOWN 0 86 #define ATOM_ISP_POWER_UP 1 87 88 #define ATOM_ISP_MAX_INPUTS 3 89 90 #define ATOMISP_SC_TYPE_SIZE 2 91 92 #define ATOMISP_ISP_TIMEOUT_DURATION (2 * HZ) 93 #define ATOMISP_EXT_ISP_TIMEOUT_DURATION (6 * HZ) 94 #define ATOMISP_WDT_KEEP_CURRENT_DELAY 0 95 #define ATOMISP_ISP_MAX_TIMEOUT_COUNT 2 96 #define ATOMISP_CSS_STOP_TIMEOUT_US 200000 97 98 #define ATOMISP_CSS_Q_DEPTH 3 99 #define ATOMISP_CSS_EVENTS_MAX 16 100 #define ATOMISP_CONT_RAW_FRAMES 15 101 #define ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL 8 102 #define ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL 8 103 104 #define ATOMISP_DELAYED_INIT_NOT_QUEUED 0 105 #define ATOMISP_DELAYED_INIT_QUEUED 1 106 #define ATOMISP_DELAYED_INIT_DONE 2 107 108 /* 109 * Define how fast CPU should be able to serve ISP interrupts. 110 * The bigger the value, the higher risk that the ISP is not 111 * triggered sufficiently fast for it to process image during 112 * vertical blanking time, increasing risk of dropped frames. 113 * 1000 us is a reasonable value considering that the processing 114 * time is typically ~2000 us. 115 */ 116 #define ATOMISP_MAX_ISR_LATENCY 1000 117 118 /* Add new YUVPP pipe for SOC sensor. */ 119 #define ATOMISP_CSS_SUPPORT_YUVPP 1 120 121 #define ATOMISP_CSS_OUTPUT_SECOND_INDEX 1 122 #define ATOMISP_CSS_OUTPUT_DEFAULT_INDEX 0 123 124 /* 125 * ATOMISP_SOC_CAMERA 126 * This is to differentiate between ext-isp and soc camera in 127 * Moorefield/Baytrail platform. 128 */ 129 #define ATOMISP_SOC_CAMERA(asd) \ 130 (asd->isp->inputs[asd->input_curr].type == SOC_CAMERA) 131 132 #define ATOMISP_USE_YUVPP(asd) \ 133 (ATOMISP_SOC_CAMERA(asd) && ATOMISP_CSS_SUPPORT_YUVPP && \ 134 !asd->copy_mode) 135 136 #define ATOMISP_DEPTH_SENSOR_STREAMON_COUNT 2 137 138 #define ATOMISP_DEPTH_DEFAULT_MASTER_SENSOR 0 139 #define ATOMISP_DEPTH_DEFAULT_SLAVE_SENSOR 1 140 141 /* ISP2401 */ 142 #define ATOMISP_ION_DEVICE_FD_OFFSET 16 143 #define ATOMISP_ION_SHARED_FD_MASK (0xFFFF) 144 #define ATOMISP_ION_DEVICE_FD_MASK (~ATOMISP_ION_SHARED_FD_MASK) 145 #define ION_FD_UNSET (-1) 146 147 #define DIV_NEAREST_STEP(n, d, step) \ 148 round_down((2 * (n) + (d) * (step)) / (2 * (d)), (step)) 149 150 struct atomisp_input_subdev { 151 unsigned int type; 152 enum atomisp_camera_port port; 153 struct v4l2_subdev *camera; 154 struct v4l2_subdev *motor; 155 struct v4l2_frmsizeenum frame_size; 156 157 /* 158 * To show this resource is used by 159 * which stream, in ISP multiple stream mode 160 */ 161 struct atomisp_sub_device *asd; 162 163 int sensor_index; 164 }; 165 166 enum atomisp_dfs_mode { 167 ATOMISP_DFS_MODE_AUTO = 0, 168 ATOMISP_DFS_MODE_LOW, 169 ATOMISP_DFS_MODE_MAX, 170 }; 171 172 struct atomisp_regs { 173 /* PCI config space info */ 174 u16 pcicmdsts; 175 u32 ispmmadr; 176 u32 msicap; 177 u32 msi_addr; 178 u16 msi_data; 179 u8 intr; 180 u32 interrupt_control; 181 u32 pmcs; 182 u32 cg_dis; 183 u32 i_control; 184 185 /* I-Unit PHY related info */ 186 u32 csi_rcomp_config; 187 u32 csi_afe_dly; 188 u32 csi_control; 189 190 /* New for MRFLD */ 191 u32 csi_afe_rcomp_config; 192 u32 csi_afe_hs_control; 193 u32 csi_deadline_control; 194 u32 csi_access_viol; 195 }; 196 197 struct atomisp_sw_contex { 198 int power_state; 199 int running_freq; 200 }; 201 202 #define ATOMISP_DEVICE_STREAMING_DISABLED 0 203 #define ATOMISP_DEVICE_STREAMING_ENABLED 1 204 #define ATOMISP_DEVICE_STREAMING_STOPPING 2 205 206 /* 207 * ci device struct 208 */ 209 struct atomisp_device { 210 struct device *dev; 211 struct v4l2_device v4l2_dev; 212 struct media_device media_dev; 213 struct atomisp_platform_data *pdata; 214 void *mmu_l1_base; 215 void __iomem *base; 216 const struct firmware *firmware; 217 218 struct pm_qos_request pm_qos; 219 s32 max_isr_latency; 220 221 /* 222 * ISP modules 223 * Multiple streams are represents by multiple 224 * atomisp_sub_device instances 225 */ 226 struct atomisp_sub_device *asd; 227 /* 228 * this will be assigned dyanamically. 229 * For Merr/BTY(ISP2400), 2 streams are supported. 230 */ 231 unsigned int num_of_streams; 232 233 struct atomisp_mipi_csi2_device csi2_port[ATOMISP_CAMERA_NR_PORTS]; 234 struct atomisp_tpg_device tpg; 235 236 /* Purpose of mutex is to protect and serialize use of isp data 237 * structures and css API calls. */ 238 struct mutex mutex; 239 240 unsigned int input_cnt; 241 struct atomisp_input_subdev inputs[ATOM_ISP_MAX_INPUTS]; 242 struct v4l2_subdev *flash; 243 struct v4l2_subdev *motor; 244 245 struct atomisp_regs saved_regs; 246 struct atomisp_sw_contex sw_contex; 247 struct atomisp_css_env css_env; 248 249 /* isp timeout status flag */ 250 bool isp_timeout; 251 bool isp_fatal_error; 252 struct work_struct assert_recovery_work; 253 254 spinlock_t lock; /* Protects asd[i].streaming */ 255 256 bool need_gfx_throttle; 257 258 unsigned int mipi_frame_size; 259 const struct atomisp_dfs_config *dfs; 260 unsigned int hpll_freq; 261 262 bool css_initialized; 263 }; 264 265 #define v4l2_dev_to_atomisp_device(dev) \ 266 container_of(dev, struct atomisp_device, v4l2_dev) 267 268 extern struct device *atomisp_dev; 269 270 #endif /* __ATOMISP_INTERNAL_H__ */ 271