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a49d2536 AC |
1 | /* |
2 | * Support for Medifield PNW Camera Imaging ISP subsystem. | |
3 | * | |
4 | * Copyright (c) 2010 Intel Corporation. All Rights Reserved. | |
5 | * | |
6 | * Copyright (c) 2010 Silicon Hive www.siliconhive.com. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License version | |
10 | * 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
20 | * 02110-1301, USA. | |
21 | * | |
22 | */ | |
23 | #ifndef __ATOMISP_INTERNAL_H__ | |
24 | #define __ATOMISP_INTERNAL_H__ | |
25 | ||
25016567 | 26 | #include "../../include/linux/atomisp_platform.h" |
a49d2536 AC |
27 | #include <linux/firmware.h> |
28 | #include <linux/kernel.h> | |
29 | #include <linux/pm_qos.h> | |
30 | #include <linux/idr.h> | |
31 | ||
32 | #include <asm/intel-mid.h> | |
25016567 | 33 | #include "../../include/asm/intel_mid_pcihelpers.h" |
a49d2536 AC |
34 | |
35 | #include <media/media-device.h> | |
36 | #include <media/v4l2-subdev.h> | |
37 | ||
38 | #ifndef ISP2401 | |
39 | #include "ia_css_types.h" | |
40 | #include "sh_css_legacy.h" | |
41 | #else | |
42 | /*#include "ia_css_types.h"*/ | |
43 | /*#include "sh_css_legacy.h"*/ | |
44 | #endif | |
45 | ||
46 | #include "atomisp_csi2.h" | |
47 | #include "atomisp_file.h" | |
48 | #include "atomisp_subdev.h" | |
49 | #include "atomisp_tpg.h" | |
50 | #include "atomisp_compat.h" | |
51 | ||
52 | #include "gp_device.h" | |
53 | #include "irq.h" | |
54 | #include <linux/vmalloc.h> | |
55 | ||
56 | #define V4L2_EVENT_FRAME_END 5 | |
57 | ||
58 | #define IS_HWREVISION(isp, rev) \ | |
59 | (((isp)->media_dev.hw_revision & ATOMISP_HW_REVISION_MASK) == \ | |
60 | ((rev) << ATOMISP_HW_REVISION_SHIFT)) | |
61 | ||
62 | #define MAX_STREAM_NUM 2 | |
63 | ||
64 | #define ATOMISP_PCI_DEVICE_SOC_MASK 0xfff8 | |
65 | /* MRFLD with 0x1178: ISP freq can burst to 457MHz */ | |
66 | #define ATOMISP_PCI_DEVICE_SOC_MRFLD 0x1178 | |
67 | /* MRFLD with 0x1179: max ISP freq limited to 400MHz */ | |
68 | #define ATOMISP_PCI_DEVICE_SOC_MRFLD_1179 0x1179 | |
69 | /* MRFLD with 0x117a: max ISP freq is 400MHz and max freq at Vmin is 200MHz */ | |
70 | #define ATOMISP_PCI_DEVICE_SOC_MRFLD_117A 0x117a | |
71 | #define ATOMISP_PCI_DEVICE_SOC_BYT 0x0f38 | |
72 | #define ATOMISP_PCI_DEVICE_SOC_ANN 0x1478 | |
73 | #define ATOMISP_PCI_DEVICE_SOC_CHT 0x22b8 | |
74 | ||
75 | #define ATOMISP_PCI_REV_MRFLD_A0_MAX 0 | |
76 | #define ATOMISP_PCI_REV_BYT_A0_MAX 4 | |
77 | ||
78 | #define ATOMISP_MAJOR 0 | |
79 | #define ATOMISP_MINOR 5 | |
80 | #define ATOMISP_PATCHLEVEL 1 | |
81 | ||
82 | #define DRIVER_VERSION_STR __stringify(ATOMISP_MAJOR) \ | |
83 | "." __stringify(ATOMISP_MINOR) "." __stringify(ATOMISP_PATCHLEVEL) | |
84 | #define DRIVER_VERSION KERNEL_VERSION(ATOMISP_MAJOR, \ | |
85 | ATOMISP_MINOR, ATOMISP_PATCHLEVEL) | |
86 | ||
87 | #define ATOM_ISP_STEP_WIDTH 2 | |
88 | #define ATOM_ISP_STEP_HEIGHT 2 | |
89 | ||
90 | #define ATOM_ISP_MIN_WIDTH 4 | |
91 | #define ATOM_ISP_MIN_HEIGHT 4 | |
92 | #define ATOM_ISP_MAX_WIDTH UINT_MAX | |
93 | #define ATOM_ISP_MAX_HEIGHT UINT_MAX | |
94 | ||
95 | /* sub-QCIF resolution */ | |
96 | #define ATOM_RESOLUTION_SUBQCIF_WIDTH 128 | |
97 | #define ATOM_RESOLUTION_SUBQCIF_HEIGHT 96 | |
98 | ||
99 | #define ATOM_ISP_MAX_WIDTH_TMP 1280 | |
100 | #define ATOM_ISP_MAX_HEIGHT_TMP 720 | |
101 | ||
102 | #define ATOM_ISP_I2C_BUS_1 4 | |
103 | #define ATOM_ISP_I2C_BUS_2 5 | |
104 | ||
105 | #define ATOM_ISP_POWER_DOWN 0 | |
106 | #define ATOM_ISP_POWER_UP 1 | |
107 | ||
108 | #define ATOM_ISP_MAX_INPUTS 4 | |
109 | ||
110 | #define ATOMISP_SC_TYPE_SIZE 2 | |
111 | ||
112 | #define ATOMISP_ISP_TIMEOUT_DURATION (2 * HZ) | |
113 | #define ATOMISP_EXT_ISP_TIMEOUT_DURATION (6 * HZ) | |
114 | #define ATOMISP_ISP_FILE_TIMEOUT_DURATION (60 * HZ) | |
115 | #define ATOMISP_WDT_KEEP_CURRENT_DELAY 0 | |
116 | #define ATOMISP_ISP_MAX_TIMEOUT_COUNT 2 | |
117 | #define ATOMISP_CSS_STOP_TIMEOUT_US 200000 | |
118 | ||
119 | #define ATOMISP_CSS_Q_DEPTH 3 | |
120 | #define ATOMISP_CSS_EVENTS_MAX 16 | |
121 | #define ATOMISP_CONT_RAW_FRAMES 15 | |
122 | #define ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL 8 | |
123 | #define ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL 8 | |
124 | ||
125 | #define ATOMISP_DELAYED_INIT_NOT_QUEUED 0 | |
126 | #define ATOMISP_DELAYED_INIT_QUEUED 1 | |
127 | #define ATOMISP_DELAYED_INIT_DONE 2 | |
128 | ||
129 | #define ATOMISP_CALC_CSS_PREV_OVERLAP(lines) \ | |
130 | ((lines) * 38 / 100 & 0xfffffe) | |
131 | ||
132 | /* | |
133 | * Define how fast CPU should be able to serve ISP interrupts. | |
134 | * The bigger the value, the higher risk that the ISP is not | |
135 | * triggered sufficiently fast for it to process image during | |
136 | * vertical blanking time, increasing risk of dropped frames. | |
137 | * 1000 us is a reasonable value considering that the processing | |
138 | * time is typically ~2000 us. | |
139 | */ | |
140 | #define ATOMISP_MAX_ISR_LATENCY 1000 | |
141 | ||
142 | /* Add new YUVPP pipe for SOC sensor. */ | |
143 | #define ATOMISP_CSS_SUPPORT_YUVPP 1 | |
144 | ||
145 | #define ATOMISP_CSS_OUTPUT_SECOND_INDEX 1 | |
146 | #define ATOMISP_CSS_OUTPUT_DEFAULT_INDEX 0 | |
147 | ||
148 | /* | |
149 | * ATOMISP_SOC_CAMERA | |
150 | * This is to differentiate between ext-isp and soc camera in | |
151 | * Moorefield/Baytrail platform. | |
152 | */ | |
153 | #define ATOMISP_SOC_CAMERA(asd) \ | |
154 | (asd->isp->inputs[asd->input_curr].type == SOC_CAMERA \ | |
155 | && asd->isp->inputs[asd->input_curr].camera_caps-> \ | |
156 | sensor[asd->sensor_curr].stream_num == 1) | |
157 | ||
158 | #define ATOMISP_USE_YUVPP(asd) \ | |
159 | (ATOMISP_SOC_CAMERA(asd) && ATOMISP_CSS_SUPPORT_YUVPP && \ | |
160 | !asd->copy_mode) | |
161 | ||
162 | #define ATOMISP_DEPTH_SENSOR_STREAMON_COUNT 2 | |
163 | ||
164 | #define ATOMISP_DEPTH_DEFAULT_MASTER_SENSOR 0 | |
165 | #define ATOMISP_DEPTH_DEFAULT_SLAVE_SENSOR 1 | |
166 | ||
167 | #ifdef ISP2401 | |
168 | #define ATOMISP_ION_DEVICE_FD_OFFSET 16 | |
169 | #define ATOMISP_ION_SHARED_FD_MASK (0xFFFF) | |
170 | #define ATOMISP_ION_DEVICE_FD_MASK (~ATOMISP_ION_SHARED_FD_MASK) | |
171 | #define ION_FD_UNSET (-1) | |
172 | ||
173 | #endif | |
174 | #define DIV_NEAREST_STEP(n, d, step) \ | |
175 | round_down((2 * (n) + (d) * (step))/(2 * (d)), (step)) | |
176 | ||
177 | struct atomisp_input_subdev { | |
178 | unsigned int type; | |
179 | enum atomisp_camera_port port; | |
180 | struct v4l2_subdev *camera; | |
181 | struct v4l2_subdev *motor; | |
182 | struct v4l2_frmsizeenum frame_size; | |
183 | ||
184 | /* | |
185 | * To show this resource is used by | |
186 | * which stream, in ISP multiple stream mode | |
187 | */ | |
188 | struct atomisp_sub_device *asd; | |
189 | ||
190 | const struct atomisp_camera_caps *camera_caps; | |
191 | int sensor_index; | |
192 | }; | |
193 | ||
194 | enum atomisp_dfs_mode { | |
195 | ATOMISP_DFS_MODE_AUTO = 0, | |
196 | ATOMISP_DFS_MODE_LOW, | |
197 | ATOMISP_DFS_MODE_MAX, | |
198 | }; | |
199 | ||
200 | struct atomisp_regs { | |
201 | /* PCI config space info */ | |
202 | u16 pcicmdsts; | |
203 | u32 ispmmadr; | |
204 | u32 msicap; | |
205 | u32 msi_addr; | |
206 | u16 msi_data; | |
207 | u8 intr; | |
208 | u32 interrupt_control; | |
209 | u32 pmcs; | |
210 | u32 cg_dis; | |
211 | u32 i_control; | |
212 | ||
213 | /* I-Unit PHY related info */ | |
214 | u32 csi_rcomp_config; | |
215 | u32 csi_afe_dly; | |
216 | u32 csi_control; | |
217 | ||
218 | /* New for MRFLD */ | |
219 | u32 csi_afe_rcomp_config; | |
220 | u32 csi_afe_hs_control; | |
221 | u32 csi_deadline_control; | |
222 | u32 csi_access_viol; | |
223 | }; | |
224 | ||
225 | struct atomisp_sw_contex { | |
226 | bool file_input; | |
227 | int power_state; | |
228 | int running_freq; | |
229 | }; | |
230 | ||
231 | ||
232 | #define ATOMISP_DEVICE_STREAMING_DISABLED 0 | |
233 | #define ATOMISP_DEVICE_STREAMING_ENABLED 1 | |
234 | #define ATOMISP_DEVICE_STREAMING_STOPPING 2 | |
235 | ||
236 | /* | |
237 | * ci device struct | |
238 | */ | |
239 | struct atomisp_device { | |
240 | struct pci_dev *pdev; | |
241 | struct device *dev; | |
242 | struct v4l2_device v4l2_dev; | |
243 | struct media_device media_dev; | |
244 | struct atomisp_platform_data *pdata; | |
245 | void *mmu_l1_base; | |
246 | struct pci_dev *pci_root; | |
247 | const struct firmware *firmware; | |
248 | ||
249 | struct pm_qos_request pm_qos; | |
250 | s32 max_isr_latency; | |
251 | ||
252 | /* | |
253 | * ISP modules | |
254 | * Multiple streams are represents by multiple | |
255 | * atomisp_sub_device instances | |
256 | */ | |
257 | struct atomisp_sub_device *asd; | |
258 | /* | |
259 | * this will be assiged dyanamically. | |
260 | * For Merr/BTY(ISP2400), 2 streams are supported. | |
261 | */ | |
262 | unsigned int num_of_streams; | |
263 | ||
264 | struct atomisp_mipi_csi2_device csi2_port[ATOMISP_CAMERA_NR_PORTS]; | |
265 | struct atomisp_tpg_device tpg; | |
266 | struct atomisp_file_device file_dev; | |
267 | ||
268 | /* Purpose of mutex is to protect and serialize use of isp data | |
269 | * structures and css API calls. */ | |
270 | struct rt_mutex mutex; | |
271 | /* | |
272 | * Serialise streamoff: mutex is dropped during streamoff to | |
273 | * cancel the watchdog queue. MUST be acquired BEFORE | |
274 | * "mutex". | |
275 | */ | |
276 | struct mutex streamoff_mutex; | |
277 | ||
7b065c55 | 278 | unsigned int input_cnt; |
a49d2536 AC |
279 | struct atomisp_input_subdev inputs[ATOM_ISP_MAX_INPUTS]; |
280 | struct v4l2_subdev *flash; | |
281 | struct v4l2_subdev *motor; | |
282 | ||
283 | struct atomisp_regs saved_regs; | |
284 | struct atomisp_sw_contex sw_contex; | |
285 | struct atomisp_css_env css_env; | |
286 | ||
287 | /* isp timeout status flag */ | |
288 | bool isp_timeout; | |
289 | bool isp_fatal_error; | |
290 | struct workqueue_struct *wdt_work_queue; | |
291 | struct work_struct wdt_work; | |
292 | #ifndef ISP2401 | |
293 | atomic_t wdt_count; | |
294 | #endif | |
295 | atomic_t wdt_work_queued; | |
296 | ||
297 | spinlock_t lock; /* Just for streaming below */ | |
298 | ||
299 | bool need_gfx_throttle; | |
300 | ||
301 | unsigned int mipi_frame_size; | |
302 | const struct atomisp_dfs_config *dfs; | |
303 | unsigned int hpll_freq; | |
304 | ||
305 | bool css_initialized; | |
306 | }; | |
307 | ||
308 | #define v4l2_dev_to_atomisp_device(dev) \ | |
309 | container_of(dev, struct atomisp_device, v4l2_dev) | |
310 | ||
311 | extern struct device *atomisp_dev; | |
312 | ||
313 | extern void *atomisp_kernel_malloc(size_t bytes); | |
314 | ||
315 | extern void atomisp_kernel_free(void *ptr); | |
316 | ||
317 | #define atomisp_is_wdt_running(a) timer_pending(&(a)->wdt) | |
318 | #ifdef ISP2401 | |
319 | extern void atomisp_wdt_refresh_pipe(struct atomisp_video_pipe *pipe, | |
320 | unsigned int delay); | |
321 | #endif | |
322 | extern void atomisp_wdt_refresh(struct atomisp_sub_device *asd, unsigned int delay); | |
323 | #ifndef ISP2401 | |
324 | extern void atomisp_wdt_start(struct atomisp_sub_device *asd); | |
325 | #else | |
326 | extern void atomisp_wdt_start(struct atomisp_video_pipe *pipe); | |
327 | extern void atomisp_wdt_stop_pipe(struct atomisp_video_pipe *pipe, bool sync); | |
328 | #endif | |
329 | extern void atomisp_wdt_stop(struct atomisp_sub_device *asd, bool sync); | |
330 | ||
331 | #endif /* __ATOMISP_INTERNAL_H__ */ |