blob: 7ff4024003f4aa82f4c4ab328ad83f3f685a08c5 [file] [log] [blame]
Thomas Gleixnerd2912cb2019-06-04 10:11:33 +02001// SPDX-License-Identifier: GPL-2.0-only
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03002/*
Sylwester Nawrocki3a3f9442011-04-28 09:06:19 -03003 * Samsung S5P/EXYNOS4 SoC series camera interface (camera capture) driver
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03004 *
Sylwester Nawrocki0c9204d2012-04-25 06:55:42 -03005 * Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd.
6 * Sylwester Nawrocki <s.nawrocki@samsung.com>
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03007 */
8
9#include <linux/module.h>
10#include <linux/kernel.h>
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -030011#include <linux/types.h>
12#include <linux/errno.h>
13#include <linux/bug.h>
14#include <linux/interrupt.h>
15#include <linux/device.h>
Sylwester Nawrockie9e21082011-09-02 06:25:32 -030016#include <linux/pm_runtime.h>
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -030017#include <linux/list.h>
18#include <linux/slab.h>
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -030019
20#include <linux/videodev2.h>
21#include <media/v4l2-device.h>
22#include <media/v4l2-ioctl.h>
23#include <media/v4l2-mem2mem.h>
Benoit Parrot030b1612020-05-28 15:26:05 +020024#include <media/v4l2-rect.h>
Junghak Sungc1399902015-09-22 10:30:29 -030025#include <media/videobuf2-v4l2.h>
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -030026#include <media/videobuf2-dma-contig.h>
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -030027
Sylwester Nawrocki44031062013-05-31 11:37:19 -030028#include "common.h"
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -030029#include "fimc-core.h"
Sylwester Nawrockic83a1ff2012-05-02 06:14:49 -030030#include "fimc-reg.h"
Sylwester Nawrocki44031062013-05-31 11:37:19 -030031#include "media-dev.h"
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -030032
Sylwester Nawrockibb7c2762012-04-27 09:33:23 -030033static int fimc_capture_hw_init(struct fimc_dev *fimc)
Sylwester Nawrocki9e803a02011-06-10 15:36:53 -030034{
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -030035 struct fimc_source_info *si = &fimc->vid_cap.source_config;
Sylwester Nawrocki9e803a02011-06-10 15:36:53 -030036 struct fimc_ctx *ctx = fimc->vid_cap.ctx;
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -030037 int ret;
Sylwester Nawrocki9e803a02011-06-10 15:36:53 -030038 unsigned long flags;
Sylwester Nawrocki9e803a02011-06-10 15:36:53 -030039
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -030040 if (ctx == NULL || ctx->s_frame.fmt == NULL)
Sylwester Nawrocki9e803a02011-06-10 15:36:53 -030041 return -EINVAL;
42
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -030043 if (si->fimc_bus_type == FIMC_BUS_TYPE_ISP_WRITEBACK) {
44 ret = fimc_hw_camblk_cfg_writeback(fimc);
45 if (ret < 0)
46 return ret;
47 }
Sylwester Nawrocki9e803a02011-06-10 15:36:53 -030048
49 spin_lock_irqsave(&fimc->slock, flags);
50 fimc_prepare_dma_offset(ctx, &ctx->d_frame);
51 fimc_set_yuv_order(ctx);
52
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -030053 fimc_hw_set_camera_polarity(fimc, si);
54 fimc_hw_set_camera_type(fimc, si);
55 fimc_hw_set_camera_source(fimc, si);
Sylwester Nawrocki9e803a02011-06-10 15:36:53 -030056 fimc_hw_set_camera_offset(fimc, &ctx->s_frame);
57
58 ret = fimc_set_scaler_info(ctx);
59 if (!ret) {
60 fimc_hw_set_input_path(ctx);
61 fimc_hw_set_prescaler(ctx);
62 fimc_hw_set_mainscaler(ctx);
63 fimc_hw_set_target_format(ctx);
64 fimc_hw_set_rotation(ctx);
Sylwester Nawrocki9448ab72012-04-02 06:41:22 -030065 fimc_hw_set_effect(ctx);
Sylwester Nawrocki9e803a02011-06-10 15:36:53 -030066 fimc_hw_set_output_path(ctx);
67 fimc_hw_set_out_dma(ctx);
Sylwester Nawrockie80cb1f2013-03-26 08:22:21 -030068 if (fimc->drv_data->alpha_color)
Sylwester Nawrockidafb9c72011-12-01 14:02:24 -030069 fimc_hw_set_rgb_alpha(ctx);
Sylwester Nawrocki237e0262011-08-24 20:35:30 -030070 clear_bit(ST_CAPT_APPLY_CFG, &fimc->state);
Sylwester Nawrocki9e803a02011-06-10 15:36:53 -030071 }
72 spin_unlock_irqrestore(&fimc->slock, flags);
73 return ret;
74}
75
Sylwester Nawrockibb7c2762012-04-27 09:33:23 -030076/*
77 * Reinitialize the driver so it is ready to start the streaming again.
78 * Set fimc->state to indicate stream off and the hardware shut down state.
79 * If not suspending (@suspend is false), return any buffers to videobuf2.
80 * Otherwise put any owned buffers onto the pending buffers queue, so they
81 * can be re-spun when the device is being resumed. Also perform FIMC
82 * software reset and disable streaming on the whole pipeline if required.
83 */
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -030084static int fimc_capture_state_cleanup(struct fimc_dev *fimc, bool suspend)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -030085{
Marek Szyprowskibd323e22011-08-29 08:51:49 -030086 struct fimc_vid_cap *cap = &fimc->vid_cap;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -030087 struct fimc_vid_buffer *buf;
Marek Szyprowskibd323e22011-08-29 08:51:49 -030088 unsigned long flags;
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -030089 bool streaming;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -030090
91 spin_lock_irqsave(&fimc->slock, flags);
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -030092 streaming = fimc->state & (1 << ST_CAPT_ISP_STREAM);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -030093
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -030094 fimc->state &= ~(1 << ST_CAPT_RUN | 1 << ST_CAPT_SHUT |
95 1 << ST_CAPT_STREAM | 1 << ST_CAPT_ISP_STREAM);
Sylwester Nawrockiaa3331222012-03-16 11:47:51 -030096 if (suspend)
97 fimc->state |= (1 << ST_CAPT_SUSPENDED);
98 else
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -030099 fimc->state &= ~(1 << ST_CAPT_PEND | 1 << ST_CAPT_SUSPENDED);
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300100
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300101 /* Release unused buffers */
102 while (!suspend && !list_empty(&cap->pending_buf_q)) {
Sylwester Nawrocki02952022011-06-10 15:36:59 -0300103 buf = fimc_pending_queue_pop(cap);
Junghak Sung2d700712015-09-22 10:30:30 -0300104 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300105 }
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300106 /* If suspending put unused buffers onto pending queue */
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300107 while (!list_empty(&cap->active_buf_q)) {
Sylwester Nawrocki02952022011-06-10 15:36:59 -0300108 buf = fimc_active_queue_pop(cap);
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300109 if (suspend)
110 fimc_pending_queue_add(cap, buf);
111 else
Junghak Sung2d700712015-09-22 10:30:30 -0300112 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300113 }
Sylwester Nawrocki2c1bb622011-10-05 14:20:45 -0300114
115 fimc_hw_reset(fimc);
116 cap->buf_index = 0;
117
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300118 spin_unlock_irqrestore(&fimc->slock, flags);
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300119
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300120 if (streaming)
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -0300121 return fimc_pipeline_call(&cap->ve, set_stream, 0);
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300122 else
123 return 0;
Marek Szyprowskibd323e22011-08-29 08:51:49 -0300124}
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300125
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300126static int fimc_stop_capture(struct fimc_dev *fimc, bool suspend)
Marek Szyprowskibd323e22011-08-29 08:51:49 -0300127{
Marek Szyprowskibd323e22011-08-29 08:51:49 -0300128 unsigned long flags;
129
130 if (!fimc_capture_active(fimc))
131 return 0;
132
133 spin_lock_irqsave(&fimc->slock, flags);
134 set_bit(ST_CAPT_SHUT, &fimc->state);
135 fimc_deactivate_capture(fimc);
136 spin_unlock_irqrestore(&fimc->slock, flags);
137
138 wait_event_timeout(fimc->irq_queue,
139 !test_bit(ST_CAPT_SHUT, &fimc->state),
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300140 (2*HZ/10)); /* 200 ms */
Marek Szyprowskibd323e22011-08-29 08:51:49 -0300141
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300142 return fimc_capture_state_cleanup(fimc, suspend);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300143}
144
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300145/**
146 * fimc_capture_config_update - apply the camera interface configuration
Mauro Carvalho Chehab3b060ba02017-11-29 04:32:51 -0500147 * @ctx: FIMC capture context
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300148 *
149 * To be called from within the interrupt handler with fimc.slock
150 * spinlock held. It updates the camera pixel crop, rotation and
151 * image flip in H/W.
152 */
Sylwester Nawrocki97d97422012-05-08 15:51:24 -0300153static int fimc_capture_config_update(struct fimc_ctx *ctx)
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300154{
155 struct fimc_dev *fimc = ctx->fimc_dev;
156 int ret;
157
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300158 fimc_hw_set_camera_offset(fimc, &ctx->s_frame);
Sylwester Nawrockiefb13c3d2012-03-19 13:11:40 -0300159
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300160 ret = fimc_set_scaler_info(ctx);
Sylwester Nawrockiefb13c3d2012-03-19 13:11:40 -0300161 if (ret)
162 return ret;
163
164 fimc_hw_set_prescaler(ctx);
165 fimc_hw_set_mainscaler(ctx);
166 fimc_hw_set_target_format(ctx);
167 fimc_hw_set_rotation(ctx);
Sylwester Nawrocki9448ab72012-04-02 06:41:22 -0300168 fimc_hw_set_effect(ctx);
Sylwester Nawrockiefb13c3d2012-03-19 13:11:40 -0300169 fimc_prepare_dma_offset(ctx, &ctx->d_frame);
170 fimc_hw_set_out_dma(ctx);
Sylwester Nawrockie80cb1f2013-03-26 08:22:21 -0300171 if (fimc->drv_data->alpha_color)
Sylwester Nawrockiefb13c3d2012-03-19 13:11:40 -0300172 fimc_hw_set_rgb_alpha(ctx);
173
174 clear_bit(ST_CAPT_APPLY_CFG, &fimc->state);
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300175 return ret;
176}
Marek Szyprowskibd323e22011-08-29 08:51:49 -0300177
Sylwester Nawrocki97d97422012-05-08 15:51:24 -0300178void fimc_capture_irq_handler(struct fimc_dev *fimc, int deq_buf)
179{
180 struct fimc_vid_cap *cap = &fimc->vid_cap;
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -0300181 struct fimc_pipeline *p = to_fimc_pipeline(cap->ve.pipe);
182 struct v4l2_subdev *csis = p->subdevs[IDX_CSIS];
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300183 struct fimc_frame *f = &cap->ctx->d_frame;
Sylwester Nawrocki97d97422012-05-08 15:51:24 -0300184 struct fimc_vid_buffer *v_buf;
Sylwester Nawrocki97d97422012-05-08 15:51:24 -0300185
186 if (test_and_clear_bit(ST_CAPT_SHUT, &fimc->state)) {
187 wake_up(&fimc->irq_queue);
188 goto done;
189 }
190
191 if (!list_empty(&cap->active_buf_q) &&
192 test_bit(ST_CAPT_RUN, &fimc->state) && deq_buf) {
Sylwester Nawrocki97d97422012-05-08 15:51:24 -0300193 v_buf = fimc_active_queue_pop(cap);
194
Junghak Sungd6dd6452015-11-03 08:16:37 -0200195 v_buf->vb.vb2_buf.timestamp = ktime_get_ns();
Junghak Sung2d700712015-09-22 10:30:30 -0300196 v_buf->vb.sequence = cap->frame_count++;
Sylwester Nawrocki97d97422012-05-08 15:51:24 -0300197
Junghak Sung2d700712015-09-22 10:30:30 -0300198 vb2_buffer_done(&v_buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
Sylwester Nawrocki97d97422012-05-08 15:51:24 -0300199 }
200
201 if (!list_empty(&cap->pending_buf_q)) {
202
203 v_buf = fimc_pending_queue_pop(cap);
Marek Szyprowskidb476222020-11-24 09:41:28 +0100204 fimc_hw_set_output_addr(fimc, &v_buf->addr, cap->buf_index);
Sylwester Nawrocki97d97422012-05-08 15:51:24 -0300205 v_buf->index = cap->buf_index;
206
207 /* Move the buffer to the capture active queue */
208 fimc_active_queue_add(cap, v_buf);
209
210 dbg("next frame: %d, done frame: %d",
211 fimc_hw_get_frame_index(fimc), v_buf->index);
212
213 if (++cap->buf_index >= FIMC_MAX_OUT_BUFS)
214 cap->buf_index = 0;
215 }
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300216 /*
217 * Set up a buffer at MIPI-CSIS if current image format
218 * requires the frame embedded data capture.
219 */
220 if (f->fmt->mdataplanes && !list_empty(&cap->active_buf_q)) {
221 unsigned int plane = ffs(f->fmt->mdataplanes) - 1;
222 unsigned int size = f->payload[plane];
223 s32 index = fimc_hw_get_frame_index(fimc);
224 void *vaddr;
225
226 list_for_each_entry(v_buf, &cap->active_buf_q, list) {
227 if (v_buf->index != index)
228 continue;
Junghak Sung2d700712015-09-22 10:30:30 -0300229 vaddr = vb2_plane_vaddr(&v_buf->vb.vb2_buf, plane);
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300230 v4l2_subdev_call(csis, video, s_rx_buffer,
231 vaddr, &size);
232 break;
233 }
234 }
Sylwester Nawrocki97d97422012-05-08 15:51:24 -0300235
236 if (cap->active_buf_cnt == 0) {
237 if (deq_buf)
238 clear_bit(ST_CAPT_RUN, &fimc->state);
239
240 if (++cap->buf_index >= FIMC_MAX_OUT_BUFS)
241 cap->buf_index = 0;
242 } else {
243 set_bit(ST_CAPT_RUN, &fimc->state);
244 }
245
Sylwester Nawrockibb7c2762012-04-27 09:33:23 -0300246 if (test_bit(ST_CAPT_APPLY_CFG, &fimc->state))
247 fimc_capture_config_update(cap->ctx);
Sylwester Nawrocki97d97422012-05-08 15:51:24 -0300248done:
249 if (cap->active_buf_cnt == 1) {
250 fimc_deactivate_capture(fimc);
251 clear_bit(ST_CAPT_STREAM, &fimc->state);
252 }
253
254 dbg("frame: %d, active_buf_cnt: %d",
255 fimc_hw_get_frame_index(fimc), cap->active_buf_cnt);
256}
257
258
Marek Szyprowskibd323e22011-08-29 08:51:49 -0300259static int start_streaming(struct vb2_queue *q, unsigned int count)
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300260{
261 struct fimc_ctx *ctx = q->drv_priv;
262 struct fimc_dev *fimc = ctx->fimc_dev;
Sylwester Nawrocki9e803a02011-06-10 15:36:53 -0300263 struct fimc_vid_cap *vid_cap = &fimc->vid_cap;
Marek Szyprowskibd323e22011-08-29 08:51:49 -0300264 int min_bufs;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300265 int ret;
266
Sylwester Nawrocki9e803a02011-06-10 15:36:53 -0300267 vid_cap->frame_count = 0;
Sungchun Kang8ec737f2011-02-07 15:59:46 -0300268
Sylwester Nawrockibb7c2762012-04-27 09:33:23 -0300269 ret = fimc_capture_hw_init(fimc);
270 if (ret) {
271 fimc_capture_state_cleanup(fimc, false);
272 return ret;
273 }
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300274
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300275 set_bit(ST_CAPT_PEND, &fimc->state);
276
Marek Szyprowskibd323e22011-08-29 08:51:49 -0300277 min_bufs = fimc->vid_cap.reqbufs_count > 1 ? 2 : 1;
278
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300279 if (vid_cap->active_buf_cnt >= min_bufs &&
280 !test_and_set_bit(ST_CAPT_STREAM, &fimc->state)) {
Marek Szyprowskibd323e22011-08-29 08:51:49 -0300281 fimc_activate_capture(ctx);
282
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300283 if (!test_and_set_bit(ST_CAPT_ISP_STREAM, &fimc->state))
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -0300284 return fimc_pipeline_call(&vid_cap->ve, set_stream, 1);
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300285 }
286
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300287 return 0;
288}
289
Hans Verkuile37559b2014-04-17 02:47:21 -0300290static void stop_streaming(struct vb2_queue *q)
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300291{
292 struct fimc_ctx *ctx = q->drv_priv;
293 struct fimc_dev *fimc = ctx->fimc_dev;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300294
Sylwester Nawrocki4ecbf5d2011-02-23 08:24:33 -0300295 if (!fimc_capture_active(fimc))
Hans Verkuile37559b2014-04-17 02:47:21 -0300296 return;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300297
Hans Verkuile37559b2014-04-17 02:47:21 -0300298 fimc_stop_capture(fimc, false);
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300299}
300
Sylwester Nawrockie9e21082011-09-02 06:25:32 -0300301int fimc_capture_suspend(struct fimc_dev *fimc)
302{
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300303 bool suspend = fimc_capture_busy(fimc);
304
305 int ret = fimc_stop_capture(fimc, suspend);
306 if (ret)
307 return ret;
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -0300308 return fimc_pipeline_call(&fimc->vid_cap.ve, close);
Sylwester Nawrockie9e21082011-09-02 06:25:32 -0300309}
310
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300311static void buffer_queue(struct vb2_buffer *vb);
312
Sylwester Nawrockie9e21082011-09-02 06:25:32 -0300313int fimc_capture_resume(struct fimc_dev *fimc)
314{
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300315 struct fimc_vid_cap *vid_cap = &fimc->vid_cap;
Sylwester Nawrockibc7584b2013-05-31 11:37:18 -0300316 struct exynos_video_entity *ve = &vid_cap->ve;
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300317 struct fimc_vid_buffer *buf;
318 int i;
319
320 if (!test_and_clear_bit(ST_CAPT_SUSPENDED, &fimc->state))
321 return 0;
322
323 INIT_LIST_HEAD(&fimc->vid_cap.active_buf_q);
324 vid_cap->buf_index = 0;
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -0300325 fimc_pipeline_call(ve, open, &ve->vdev.entity, false);
Sylwester Nawrockibb7c2762012-04-27 09:33:23 -0300326 fimc_capture_hw_init(fimc);
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300327
328 clear_bit(ST_CAPT_SUSPENDED, &fimc->state);
329
330 for (i = 0; i < vid_cap->reqbufs_count; i++) {
331 if (list_empty(&vid_cap->pending_buf_q))
332 break;
333 buf = fimc_pending_queue_pop(vid_cap);
Junghak Sung2d700712015-09-22 10:30:30 -0300334 buffer_queue(&buf->vb.vb2_buf);
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300335 }
Sylwester Nawrockie9e21082011-09-02 06:25:32 -0300336 return 0;
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300337
Sylwester Nawrockie9e21082011-09-02 06:25:32 -0300338}
339
Hans Verkuildf9ecb0c2015-10-28 00:50:37 -0200340static int queue_setup(struct vb2_queue *vq,
Guennadi Liakhovetskifc714e702011-08-24 10:30:21 -0300341 unsigned int *num_buffers, unsigned int *num_planes,
Hans Verkuil36c0f8b2016-04-15 09:15:05 -0300342 unsigned int sizes[], struct device *alloc_devs[])
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300343{
344 struct fimc_ctx *ctx = vq->drv_priv;
Sylwester Nawrocki63746be2012-04-22 17:07:09 -0300345 struct fimc_frame *frame = &ctx->d_frame;
346 struct fimc_fmt *fmt = frame->fmt;
Hans Verkuildf9ecb0c2015-10-28 00:50:37 -0200347 unsigned long wh = frame->f_width * frame->f_height;
Sylwester Nawrockief7af592010-12-08 14:05:08 -0300348 int i;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300349
Sylwester Nawrocki63746be2012-04-22 17:07:09 -0300350 if (fmt == NULL)
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300351 return -EINVAL;
352
Hans Verkuildf9ecb0c2015-10-28 00:50:37 -0200353 if (*num_planes) {
354 if (*num_planes != fmt->memplanes)
355 return -EINVAL;
Hans Verkuil2548fee2016-02-16 07:30:19 -0200356 for (i = 0; i < *num_planes; i++)
Hans Verkuildf9ecb0c2015-10-28 00:50:37 -0200357 if (sizes[i] < (wh * fmt->depth[i]) / 8)
358 return -EINVAL;
Hans Verkuildf9ecb0c2015-10-28 00:50:37 -0200359 return 0;
360 }
361
Sylwester Nawrockief7af592010-12-08 14:05:08 -0300362 *num_planes = fmt->memplanes;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300363
Sylwester Nawrockief7af592010-12-08 14:05:08 -0300364 for (i = 0; i < fmt->memplanes; i++) {
Sylwester Nawrocki63746be2012-04-22 17:07:09 -0300365 unsigned int size = (wh * fmt->depth[i]) / 8;
Hans Verkuildf9ecb0c2015-10-28 00:50:37 -0200366
367 if (fimc_fmt_is_user_defined(fmt->color))
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300368 sizes[i] = frame->payload[i];
Sylwester Nawrocki63746be2012-04-22 17:07:09 -0300369 else
Sylwester Nawrockid547ab662012-05-16 15:00:26 -0300370 sizes[i] = max_t(u32, size, frame->payload[i]);
Sylwester Nawrockief7af592010-12-08 14:05:08 -0300371 }
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300372
Sylwester Nawrockief7af592010-12-08 14:05:08 -0300373 return 0;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300374}
375
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300376static int buffer_prepare(struct vb2_buffer *vb)
377{
378 struct vb2_queue *vq = vb->vb2_queue;
379 struct fimc_ctx *ctx = vq->drv_priv;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300380 int i;
381
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300382 if (ctx->d_frame.fmt == NULL)
Sylwester Nawrockief7af592010-12-08 14:05:08 -0300383 return -EINVAL;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300384
Sylwester Nawrockief7af592010-12-08 14:05:08 -0300385 for (i = 0; i < ctx->d_frame.fmt->memplanes; i++) {
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300386 unsigned long size = ctx->d_frame.payload[i];
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300387
388 if (vb2_plane_size(vb, i) < size) {
Sylwester Nawrockibc7584b2013-05-31 11:37:18 -0300389 v4l2_err(&ctx->fimc_dev->vid_cap.ve.vdev,
Sylwester Nawrocki30c99392011-06-10 15:36:48 -0300390 "User buffer too small (%ld < %ld)\n",
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300391 vb2_plane_size(vb, i), size);
392 return -EINVAL;
393 }
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300394 vb2_set_plane_payload(vb, i, size);
395 }
396
397 return 0;
398}
399
400static void buffer_queue(struct vb2_buffer *vb)
401{
Junghak Sung2d700712015-09-22 10:30:30 -0300402 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300403 struct fimc_vid_buffer *buf
Junghak Sung2d700712015-09-22 10:30:30 -0300404 = container_of(vbuf, struct fimc_vid_buffer, vb);
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300405 struct fimc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
406 struct fimc_dev *fimc = ctx->fimc_dev;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300407 struct fimc_vid_cap *vid_cap = &fimc->vid_cap;
Sylwester Nawrockibc7584b2013-05-31 11:37:18 -0300408 struct exynos_video_entity *ve = &vid_cap->ve;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300409 unsigned long flags;
Sungchun Kang8ec737f2011-02-07 15:59:46 -0300410 int min_bufs;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300411
412 spin_lock_irqsave(&fimc->slock, flags);
Marek Szyprowskidb476222020-11-24 09:41:28 +0100413 fimc_prepare_addr(ctx, &buf->vb.vb2_buf, &ctx->d_frame, &buf->addr);
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300414
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300415 if (!test_bit(ST_CAPT_SUSPENDED, &fimc->state) &&
416 !test_bit(ST_CAPT_STREAM, &fimc->state) &&
417 vid_cap->active_buf_cnt < FIMC_MAX_OUT_BUFS) {
Sungchun Kang8ec737f2011-02-07 15:59:46 -0300418 /* Setup the buffer directly for processing. */
419 int buf_id = (vid_cap->reqbufs_count == 1) ? -1 :
420 vid_cap->buf_index;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300421
Marek Szyprowskidb476222020-11-24 09:41:28 +0100422 fimc_hw_set_output_addr(fimc, &buf->addr, buf_id);
Sungchun Kang8ec737f2011-02-07 15:59:46 -0300423 buf->index = vid_cap->buf_index;
Sylwester Nawrocki02952022011-06-10 15:36:59 -0300424 fimc_active_queue_add(vid_cap, buf);
Sungchun Kang8ec737f2011-02-07 15:59:46 -0300425
426 if (++vid_cap->buf_index >= FIMC_MAX_OUT_BUFS)
427 vid_cap->buf_index = 0;
428 } else {
429 fimc_pending_queue_add(vid_cap, buf);
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300430 }
Sungchun Kang8ec737f2011-02-07 15:59:46 -0300431
432 min_bufs = vid_cap->reqbufs_count > 1 ? 2 : 1;
433
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300434
Marek Szyprowskibd323e22011-08-29 08:51:49 -0300435 if (vb2_is_streaming(&vid_cap->vbq) &&
436 vid_cap->active_buf_cnt >= min_bufs &&
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300437 !test_and_set_bit(ST_CAPT_STREAM, &fimc->state)) {
Andrzej Hajda76323e52013-02-27 08:13:59 -0300438 int ret;
439
Sungchun Kang8ec737f2011-02-07 15:59:46 -0300440 fimc_activate_capture(ctx);
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300441 spin_unlock_irqrestore(&fimc->slock, flags);
Sungchun Kang8ec737f2011-02-07 15:59:46 -0300442
Andrzej Hajda76323e52013-02-27 08:13:59 -0300443 if (test_and_set_bit(ST_CAPT_ISP_STREAM, &fimc->state))
444 return;
445
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -0300446 ret = fimc_pipeline_call(ve, set_stream, 1);
Andrzej Hajda76323e52013-02-27 08:13:59 -0300447 if (ret < 0)
Sylwester Nawrockibc7584b2013-05-31 11:37:18 -0300448 v4l2_err(&ve->vdev, "stream on failed: %d\n", ret);
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300449 return;
450 }
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300451 spin_unlock_irqrestore(&fimc->slock, flags);
452}
453
Julia Lawallb7b361f02016-09-08 20:59:10 -0300454static const struct vb2_ops fimc_capture_qops = {
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300455 .queue_setup = queue_setup,
456 .buf_prepare = buffer_prepare,
457 .buf_queue = buffer_queue,
Sylwester Nawrockic4449142013-03-25 16:36:35 -0300458 .wait_prepare = vb2_ops_wait_prepare,
459 .wait_finish = vb2_ops_wait_finish,
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -0300460 .start_streaming = start_streaming,
461 .stop_streaming = stop_streaming,
462};
463
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300464static int fimc_capture_set_default_format(struct fimc_dev *fimc);
465
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300466static int fimc_capture_open(struct file *file)
467{
468 struct fimc_dev *fimc = video_drvdata(file);
Sylwester Nawrocki44031062013-05-31 11:37:19 -0300469 struct fimc_vid_cap *vc = &fimc->vid_cap;
470 struct exynos_video_entity *ve = &vc->ve;
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -0300471 int ret = -EBUSY;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300472
473 dbg("pid: %d, state: 0x%lx", task_pid_nr(current), fimc->state);
474
Sylwester Nawrocki740ad922012-12-06 10:26:19 -0300475 mutex_lock(&fimc->lock);
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -0300476
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300477 if (fimc_m2m_active(fimc))
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -0300478 goto unlock;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300479
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300480 set_bit(ST_CAPT_BUSY, &fimc->state);
Mauro Carvalho Chehab59f96242021-04-23 17:19:17 +0200481 ret = pm_runtime_resume_and_get(&fimc->pdev->dev);
482 if (ret < 0)
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -0300483 goto unlock;
Sylwester Nawrockie9e21082011-09-02 06:25:32 -0300484
Sylwester Nawrockie3fc82e2012-05-17 14:22:10 -0300485 ret = v4l2_fh_open(file);
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -0300486 if (ret) {
Sylwester Nawrocki4bd728a2013-05-31 11:37:21 -0300487 pm_runtime_put_sync(&fimc->pdev->dev);
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -0300488 goto unlock;
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -0300489 }
Sylwester Nawrockie3fc82e2012-05-17 14:22:10 -0300490
Sylwester Nawrockic4449142013-03-25 16:36:35 -0300491 if (v4l2_fh_is_singular_file(file)) {
Sylwester Nawrocki42625fd2013-05-31 11:37:20 -0300492 fimc_md_graph_lock(ve);
493
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -0300494 ret = fimc_pipeline_call(ve, open, &ve->vdev.entity, true);
495
Sylwester Nawrocki42625fd2013-05-31 11:37:20 -0300496 if (ret == 0)
497 ve->vdev.entity.use_count++;
498
499 fimc_md_graph_unlock(ve);
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -0300500
Sylwester Nawrocki7536b422013-05-31 13:47:02 -0300501 if (ret == 0)
502 ret = fimc_capture_set_default_format(fimc);
503
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -0300504 if (ret < 0) {
505 clear_bit(ST_CAPT_BUSY, &fimc->state);
506 pm_runtime_put_sync(&fimc->pdev->dev);
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -0300507 v4l2_fh_release(file);
508 }
509 }
510unlock:
511 mutex_unlock(&fimc->lock);
Sylwester Nawrocki131b6c62011-08-24 19:25:10 -0300512 return ret;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300513}
514
Sylwester Nawrockic4449142013-03-25 16:36:35 -0300515static int fimc_capture_release(struct file *file)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300516{
517 struct fimc_dev *fimc = video_drvdata(file);
Sylwester Nawrocki9ea89e22013-03-25 16:50:50 -0300518 struct fimc_vid_cap *vc = &fimc->vid_cap;
Sylwester Nawrocki42625fd2013-05-31 11:37:20 -0300519 bool close = v4l2_fh_is_singular_file(file);
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -0300520 int ret;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300521
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300522 dbg("pid: %d, state: 0x%lx", task_pid_nr(current), fimc->state);
523
Sylwester Nawrockiba6b3722012-11-22 11:12:16 -0300524 mutex_lock(&fimc->lock);
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -0300525
Sylwester Nawrocki42625fd2013-05-31 11:37:20 -0300526 if (close && vc->streaming) {
Sakari Ailus20b85222016-11-21 14:48:30 -0200527 media_pipeline_stop(&vc->ve.vdev.entity);
Sylwester Nawrocki42625fd2013-05-31 11:37:20 -0300528 vc->streaming = false;
529 }
530
Ricardo Ribalda1380f572013-11-25 05:49:02 -0300531 ret = _vb2_fop_release(file, NULL);
Sylwester Nawrocki42625fd2013-05-31 11:37:20 -0300532
533 if (close) {
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300534 clear_bit(ST_CAPT_BUSY, &fimc->state);
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -0300535 fimc_pipeline_call(&vc->ve, close);
Sylwester Nawrocki3e4748d2011-08-24 20:45:34 -0300536 clear_bit(ST_CAPT_SUSPENDED, &fimc->state);
Sylwester Nawrocki42625fd2013-05-31 11:37:20 -0300537
538 fimc_md_graph_lock(&vc->ve);
539 vc->ve.vdev.entity.use_count--;
540 fimc_md_graph_unlock(&vc->ve);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300541 }
542
Sylwester Nawrocki4bd728a2013-05-31 11:37:21 -0300543 pm_runtime_put_sync(&fimc->pdev->dev);
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -0300544 mutex_unlock(&fimc->lock);
545
546 return ret;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300547}
548
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300549static const struct v4l2_file_operations fimc_capture_fops = {
550 .owner = THIS_MODULE,
551 .open = fimc_capture_open,
Sylwester Nawrockic4449142013-03-25 16:36:35 -0300552 .release = fimc_capture_release,
553 .poll = vb2_fop_poll,
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300554 .unlocked_ioctl = video_ioctl2,
Sylwester Nawrockic4449142013-03-25 16:36:35 -0300555 .mmap = vb2_fop_mmap,
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300556};
557
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300558/*
559 * Format and crop negotiation helpers
560 */
561
562static struct fimc_fmt *fimc_capture_try_format(struct fimc_ctx *ctx,
563 u32 *width, u32 *height,
564 u32 *code, u32 *fourcc, int pad)
565{
566 bool rotation = ctx->rotation == 90 || ctx->rotation == 270;
567 struct fimc_dev *fimc = ctx->fimc_dev;
Sylwester Nawrocki405f2302012-08-02 10:27:46 -0300568 const struct fimc_variant *var = fimc->variant;
569 const struct fimc_pix_limit *pl = var->pix_limit;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300570 struct fimc_frame *dst = &ctx->d_frame;
571 u32 depth, min_w, max_w, min_h, align_h = 3;
572 u32 mask = FMT_FLAGS_CAM;
573 struct fimc_fmt *ffmt;
574
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300575 /* Conversion from/to JPEG or User Defined format is not supported */
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300576 if (code && ctx->s_frame.fmt && pad == FIMC_SD_PAD_SOURCE &&
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300577 fimc_fmt_is_user_defined(ctx->s_frame.fmt->color))
578 *code = ctx->s_frame.fmt->mbus_code;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300579
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -0300580 if (fourcc && *fourcc != V4L2_PIX_FMT_JPEG && pad == FIMC_SD_PAD_SOURCE)
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300581 mask |= FMT_FLAGS_M2M;
582
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -0300583 if (pad == FIMC_SD_PAD_SINK_FIFO)
584 mask = FMT_FLAGS_WRITEBACK;
585
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300586 ffmt = fimc_find_format(fourcc, code, mask, 0);
587 if (WARN_ON(!ffmt))
588 return NULL;
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -0300589
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300590 if (code)
591 *code = ffmt->mbus_code;
592 if (fourcc)
593 *fourcc = ffmt->fourcc;
594
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -0300595 if (pad != FIMC_SD_PAD_SOURCE) {
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300596 max_w = fimc_fmt_is_user_defined(ffmt->color) ?
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300597 pl->scaler_dis_w : pl->scaler_en_w;
598 /* Apply the camera input interface pixel constraints */
599 v4l_bound_align_image(width, max_t(u32, *width, 32), max_w, 4,
600 height, max_t(u32, *height, 32),
601 FIMC_CAMIF_MAX_HEIGHT,
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300602 fimc_fmt_is_user_defined(ffmt->color) ?
603 3 : 1,
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300604 0);
605 return ffmt;
606 }
607 /* Can't scale or crop in transparent (JPEG) transfer mode */
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300608 if (fimc_fmt_is_user_defined(ffmt->color)) {
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300609 *width = ctx->s_frame.f_width;
610 *height = ctx->s_frame.f_height;
611 return ffmt;
612 }
613 /* Apply the scaler and the output DMA constraints */
614 max_w = rotation ? pl->out_rot_en_w : pl->out_rot_dis_w;
Sylwester Nawrockifed07f82012-04-29 17:46:03 -0300615 if (ctx->state & FIMC_COMPOSE) {
616 min_w = dst->offs_h + dst->width;
617 min_h = dst->offs_v + dst->height;
618 } else {
619 min_w = var->min_out_pixsize;
620 min_h = var->min_out_pixsize;
621 }
Sylwester Nawrocki9c63afc2011-05-27 13:12:23 -0300622 if (var->min_vsize_align == 1 && !rotation)
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300623 align_h = fimc_fmt_is_rgb(ffmt->color) ? 0 : 1;
624
625 depth = fimc_get_format_depth(ffmt);
626 v4l_bound_align_image(width, min_w, max_w,
627 ffs(var->min_out_pixsize) - 1,
628 height, min_h, FIMC_CAMIF_MAX_HEIGHT,
629 align_h,
630 64/(ALIGN(depth, 8)));
631
632 dbg("pad%d: code: 0x%x, %dx%d. dst fmt: %dx%d",
633 pad, code ? *code : 0, *width, *height,
634 dst->f_width, dst->f_height);
635
636 return ffmt;
637}
638
Sylwester Nawrockifed07f82012-04-29 17:46:03 -0300639static void fimc_capture_try_selection(struct fimc_ctx *ctx,
640 struct v4l2_rect *r,
641 int target)
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300642{
643 bool rotate = ctx->rotation == 90 || ctx->rotation == 270;
644 struct fimc_dev *fimc = ctx->fimc_dev;
Sylwester Nawrocki405f2302012-08-02 10:27:46 -0300645 const struct fimc_variant *var = fimc->variant;
646 const struct fimc_pix_limit *pl = var->pix_limit;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300647 struct fimc_frame *sink = &ctx->s_frame;
648 u32 max_w, max_h, min_w = 0, min_h = 0, min_sz;
649 u32 align_sz = 0, align_h = 4;
650 u32 max_sc_h, max_sc_v;
651
652 /* In JPEG transparent transfer mode cropping is not supported */
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300653 if (fimc_fmt_is_user_defined(ctx->d_frame.fmt->color)) {
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300654 r->width = sink->f_width;
655 r->height = sink->f_height;
656 r->left = r->top = 0;
657 return;
658 }
Sylwester Nawrockic1334822012-05-20 11:17:12 -0300659 if (target == V4L2_SEL_TGT_COMPOSE) {
Mauro Carvalho Chehab6ccd2282018-03-23 08:54:22 -0400660 u32 tmp_min_h = ffs(sink->width) - 3;
661 u32 tmp_min_v = ffs(sink->height) - 1;
662
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300663 if (ctx->rotation != 90 && ctx->rotation != 270)
664 align_h = 1;
Mauro Carvalho Chehab6ccd2282018-03-23 08:54:22 -0400665 max_sc_h = min(SCALER_MAX_HRATIO, 1 << tmp_min_h);
666 max_sc_v = min(SCALER_MAX_VRATIO, 1 << tmp_min_v);
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300667 min_sz = var->min_out_pixsize;
668 } else {
669 u32 depth = fimc_get_format_depth(sink->fmt);
670 align_sz = 64/ALIGN(depth, 8);
671 min_sz = var->min_inp_pixsize;
672 min_w = min_h = min_sz;
673 max_sc_h = max_sc_v = 1;
674 }
675 /*
Sylwester Nawrockifed07f82012-04-29 17:46:03 -0300676 * For the compose rectangle the following constraints must be met:
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300677 * - it must fit in the sink pad format rectangle (f_width/f_height);
678 * - maximum downscaling ratio is 64;
679 * - maximum crop size depends if the rotator is used or not;
680 * - the sink pad format width/height must be 4 multiple of the
681 * prescaler ratios determined by sink pad size and source pad crop,
682 * the prescaler ratio is returned by fimc_get_scaler_factor().
683 */
684 max_w = min_t(u32,
685 rotate ? pl->out_rot_en_w : pl->out_rot_dis_w,
686 rotate ? sink->f_height : sink->f_width);
687 max_h = min_t(u32, FIMC_CAMIF_MAX_HEIGHT, sink->f_height);
Sylwester Nawrockifed07f82012-04-29 17:46:03 -0300688
Sylwester Nawrockic1334822012-05-20 11:17:12 -0300689 if (target == V4L2_SEL_TGT_COMPOSE) {
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300690 min_w = min_t(u32, max_w, sink->f_width / max_sc_h);
691 min_h = min_t(u32, max_h, sink->f_height / max_sc_v);
692 if (rotate) {
693 swap(max_sc_h, max_sc_v);
694 swap(min_w, min_h);
695 }
696 }
697 v4l_bound_align_image(&r->width, min_w, max_w, ffs(min_sz) - 1,
698 &r->height, min_h, max_h, align_h,
699 align_sz);
Sylwester Nawrockifed07f82012-04-29 17:46:03 -0300700 /* Adjust left/top if crop/compose rectangle is out of bounds */
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300701 r->left = clamp_t(u32, r->left, 0, sink->f_width - r->width);
702 r->top = clamp_t(u32, r->top, 0, sink->f_height - r->height);
703 r->left = round_down(r->left, var->hor_offs_align);
704
Sylwester Nawrockifed07f82012-04-29 17:46:03 -0300705 dbg("target %#x: (%d,%d)/%dx%d, sink fmt: %dx%d",
706 target, r->left, r->top, r->width, r->height,
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300707 sink->f_width, sink->f_height);
708}
709
710/*
711 * The video node ioctl operations
712 */
Sylwester Nawrockiaceb59e2013-04-23 11:36:04 -0300713static int fimc_cap_querycap(struct file *file, void *priv,
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300714 struct v4l2_capability *cap)
715{
Sylwester Nawrockie5785882011-06-10 15:36:50 -0300716 struct fimc_dev *fimc = video_drvdata(file);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300717
Boris Brezillon1ddc8a92019-06-04 03:06:24 -0400718 __fimc_vidioc_querycap(&fimc->pdev->dev, cap);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300719 return 0;
720}
721
Boris Brezillon7e98b7b2019-06-04 03:06:25 -0400722static int fimc_cap_enum_fmt(struct file *file, void *priv,
723 struct v4l2_fmtdesc *f)
Sylwester Nawrockicf52df82011-06-13 11:09:40 -0300724{
725 struct fimc_fmt *fmt;
726
727 fmt = fimc_find_format(NULL, NULL, FMT_FLAGS_CAM | FMT_FLAGS_M2M,
728 f->index);
729 if (!fmt)
730 return -EINVAL;
Sylwester Nawrockicf52df82011-06-13 11:09:40 -0300731 f->pixelformat = fmt->fourcc;
Sylwester Nawrockicf52df82011-06-13 11:09:40 -0300732 return 0;
733}
734
Sylwester Nawrocki47800bc2012-12-03 06:24:32 -0300735static struct media_entity *fimc_pipeline_get_head(struct media_entity *me)
736{
737 struct media_pad *pad = &me->pads[0];
738
739 while (!(pad->flags & MEDIA_PAD_FL_SOURCE)) {
Andrzej Hajda1bddf1b2013-06-03 05:16:13 -0300740 pad = media_entity_remote_pad(pad);
Sylwester Nawrocki47800bc2012-12-03 06:24:32 -0300741 if (!pad)
742 break;
743 me = pad->entity;
744 pad = &me->pads[0];
745 }
746
747 return me;
748}
749
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300750/**
751 * fimc_pipeline_try_format - negotiate and/or set formats at pipeline
752 * elements
753 * @ctx: FIMC capture context
754 * @tfmt: media bus format to try/set on subdevs
755 * @fmt_id: fimc pixel format id corresponding to returned @tfmt (output)
756 * @set: true to set format on subdevs, false to try only
757 */
758static int fimc_pipeline_try_format(struct fimc_ctx *ctx,
759 struct v4l2_mbus_framefmt *tfmt,
760 struct fimc_fmt **fmt_id,
761 bool set)
762{
763 struct fimc_dev *fimc = ctx->fimc_dev;
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -0300764 struct fimc_pipeline *p = to_fimc_pipeline(fimc->vid_cap.ve.pipe);
765 struct v4l2_subdev *sd = p->subdevs[IDX_SENSOR];
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300766 struct v4l2_subdev_format sfmt;
767 struct v4l2_mbus_framefmt *mf = &sfmt.format;
Sylwester Nawrocki47800bc2012-12-03 06:24:32 -0300768 struct media_entity *me;
769 struct fimc_fmt *ffmt;
770 struct media_pad *pad;
771 int ret, i = 1;
772 u32 fcc;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300773
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300774 if (WARN_ON(!sd || !tfmt))
775 return -EINVAL;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300776
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300777 memset(&sfmt, 0, sizeof(sfmt));
778 sfmt.format = *tfmt;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300779 sfmt.which = set ? V4L2_SUBDEV_FORMAT_ACTIVE : V4L2_SUBDEV_FORMAT_TRY;
Sylwester Nawrocki47800bc2012-12-03 06:24:32 -0300780
781 me = fimc_pipeline_get_head(&sd->entity);
782
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300783 while (1) {
784 ffmt = fimc_find_format(NULL, mf->code != 0 ? &mf->code : NULL,
785 FMT_FLAGS_CAM, i++);
786 if (ffmt == NULL) {
787 /*
788 * Notify user-space if common pixel code for
789 * host and sensor does not exist.
790 */
791 return -EINVAL;
792 }
793 mf->code = tfmt->code = ffmt->mbus_code;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300794
Sylwester Nawrocki47800bc2012-12-03 06:24:32 -0300795 /* set format on all pipeline subdevs */
796 while (me != &fimc->vid_cap.subdev.entity) {
797 sd = media_entity_to_v4l2_subdev(me);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300798
Sylwester Nawrocki47800bc2012-12-03 06:24:32 -0300799 sfmt.pad = 0;
800 ret = v4l2_subdev_call(sd, pad, set_fmt, NULL, &sfmt);
801 if (ret)
802 return ret;
803
804 if (me->pads[0].flags & MEDIA_PAD_FL_SINK) {
805 sfmt.pad = me->num_pads - 1;
806 mf->code = tfmt->code;
807 ret = v4l2_subdev_call(sd, pad, set_fmt, NULL,
808 &sfmt);
809 if (ret)
810 return ret;
811 }
812
Andrzej Hajda1bddf1b2013-06-03 05:16:13 -0300813 pad = media_entity_remote_pad(&me->pads[sfmt.pad]);
Sylwester Nawrocki47800bc2012-12-03 06:24:32 -0300814 if (!pad)
815 return -EINVAL;
816 me = pad->entity;
817 }
818
819 if (mf->code != tfmt->code)
820 continue;
821
822 fcc = ffmt->fourcc;
823 tfmt->width = mf->width;
824 tfmt->height = mf->height;
825 ffmt = fimc_capture_try_format(ctx, &tfmt->width, &tfmt->height,
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -0300826 NULL, &fcc, FIMC_SD_PAD_SINK_CAM);
Sylwester Nawrocki47800bc2012-12-03 06:24:32 -0300827 ffmt = fimc_capture_try_format(ctx, &tfmt->width, &tfmt->height,
828 NULL, &fcc, FIMC_SD_PAD_SOURCE);
829 if (ffmt && ffmt->mbus_code)
830 mf->code = ffmt->mbus_code;
831 if (mf->width != tfmt->width || mf->height != tfmt->height)
832 continue;
833 tfmt->code = mf->code;
834 break;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300835 }
836
837 if (fmt_id && ffmt)
838 *fmt_id = ffmt;
839 *tfmt = *mf;
840
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300841 return 0;
842}
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -0300843
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300844/**
845 * fimc_get_sensor_frame_desc - query the sensor for media bus frame parameters
846 * @sensor: pointer to the sensor subdev
847 * @plane_fmt: provides plane sizes corresponding to the frame layout entries
Mauro Carvalho Chehab3b060ba02017-11-29 04:32:51 -0500848 * @num_planes: number of planes
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300849 * @try: true to set the frame parameters, false to query only
850 *
851 * This function is used by this driver only for compressed/blob data formats.
852 */
853static int fimc_get_sensor_frame_desc(struct v4l2_subdev *sensor,
854 struct v4l2_plane_pix_format *plane_fmt,
855 unsigned int num_planes, bool try)
856{
857 struct v4l2_mbus_frame_desc fd;
858 int i, ret;
Andrzej Hajda1c9f5bd2012-11-22 12:13:27 -0300859 int pad;
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300860
861 for (i = 0; i < num_planes; i++)
862 fd.entry[i].length = plane_fmt[i].sizeimage;
863
Andrzej Hajda1c9f5bd2012-11-22 12:13:27 -0300864 pad = sensor->entity.num_pads - 1;
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300865 if (try)
Andrzej Hajda1c9f5bd2012-11-22 12:13:27 -0300866 ret = v4l2_subdev_call(sensor, pad, set_frame_desc, pad, &fd);
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300867 else
Andrzej Hajda1c9f5bd2012-11-22 12:13:27 -0300868 ret = v4l2_subdev_call(sensor, pad, get_frame_desc, pad, &fd);
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300869
870 if (ret < 0)
871 return ret;
872
873 if (num_planes != fd.num_entries)
874 return -EINVAL;
875
876 for (i = 0; i < num_planes; i++)
877 plane_fmt[i].sizeimage = fd.entry[i].length;
878
879 if (fd.entry[0].length > FIMC_MAX_JPEG_BUF_SIZE) {
880 v4l2_err(sensor->v4l2_dev, "Unsupported buffer size: %u\n",
881 fd.entry[0].length);
882
883 return -EINVAL;
884 }
885
886 return 0;
887}
888
Sylwester Nawrockie5785882011-06-10 15:36:50 -0300889static int fimc_cap_g_fmt_mplane(struct file *file, void *fh,
890 struct v4l2_format *f)
891{
892 struct fimc_dev *fimc = video_drvdata(file);
Sylwester Nawrockie5785882011-06-10 15:36:50 -0300893
Sylwester Nawrockifa8880be2013-01-11 06:36:19 -0300894 __fimc_get_format(&fimc->vid_cap.ctx->d_frame, f);
895 return 0;
Sylwester Nawrockie5785882011-06-10 15:36:50 -0300896}
897
Sylwester Nawrocki7536b422013-05-31 13:47:02 -0300898/*
899 * Try or set format on the fimc.X.capture video node and additionally
900 * on the whole pipeline if @try is false.
901 * Locking: the caller must _not_ hold the graph mutex.
902 */
903static int __video_try_or_set_format(struct fimc_dev *fimc,
904 struct v4l2_format *f, bool try,
905 struct fimc_fmt **inp_fmt,
906 struct fimc_fmt **out_fmt)
Sylwester Nawrockie5785882011-06-10 15:36:50 -0300907{
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300908 struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
Sylwester Nawrocki7536b422013-05-31 13:47:02 -0300909 struct fimc_vid_cap *vc = &fimc->vid_cap;
910 struct exynos_video_entity *ve = &vc->ve;
911 struct fimc_ctx *ctx = vc->ctx;
912 unsigned int width = 0, height = 0;
Sylwester Nawrocki740ad922012-12-06 10:26:19 -0300913 int ret = 0;
914
Sylwester Nawrocki7536b422013-05-31 13:47:02 -0300915 /* Pre-configure format at the camera input interface, for JPEG only */
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300916 if (fimc_jpeg_fourcc(pix->pixelformat)) {
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300917 fimc_capture_try_format(ctx, &pix->width, &pix->height,
918 NULL, &pix->pixelformat,
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -0300919 FIMC_SD_PAD_SINK_CAM);
Sylwester Nawrocki7536b422013-05-31 13:47:02 -0300920 if (try) {
921 width = pix->width;
922 height = pix->height;
923 } else {
924 ctx->s_frame.f_width = pix->width;
925 ctx->s_frame.f_height = pix->height;
926 }
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300927 }
Sylwester Nawrocki7536b422013-05-31 13:47:02 -0300928
929 /* Try the format at the scaler and the DMA output */
930 *out_fmt = fimc_capture_try_format(ctx, &pix->width, &pix->height,
931 NULL, &pix->pixelformat,
932 FIMC_SD_PAD_SOURCE);
933 if (*out_fmt == NULL)
Sylwester Nawrocki42625fd2013-05-31 11:37:20 -0300934 return -EINVAL;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300935
Sylwester Nawrocki7536b422013-05-31 13:47:02 -0300936 /* Restore image width/height for JPEG (no resizing supported). */
937 if (try && fimc_jpeg_fourcc(pix->pixelformat)) {
938 pix->width = width;
939 pix->height = height;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -0300940 }
941
Sylwester Nawrocki7536b422013-05-31 13:47:02 -0300942 /* Try to match format at the host and the sensor */
943 if (!vc->user_subdev_api) {
944 struct v4l2_mbus_framefmt mbus_fmt;
945 struct v4l2_mbus_framefmt *mf;
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300946
Sylwester Nawrocki7536b422013-05-31 13:47:02 -0300947 mf = try ? &mbus_fmt : &fimc->vid_cap.ci_fmt;
948
949 mf->code = (*out_fmt)->mbus_code;
950 mf->width = pix->width;
951 mf->height = pix->height;
952
953 fimc_md_graph_lock(ve);
954 ret = fimc_pipeline_try_format(ctx, mf, inp_fmt, try);
955 fimc_md_graph_unlock(ve);
956
957 if (ret < 0)
958 return ret;
959
960 pix->width = mf->width;
961 pix->height = mf->height;
962 }
963
964 fimc_adjust_mplane_format(*out_fmt, pix->width, pix->height, pix);
965
966 if ((*out_fmt)->flags & FMT_FLAGS_COMPRESSED) {
967 struct v4l2_subdev *sensor;
968
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -0300969 fimc_md_graph_lock(ve);
970
971 sensor = __fimc_md_get_subdev(ve->pipe, IDX_SENSOR);
972 if (sensor)
973 fimc_get_sensor_frame_desc(sensor, pix->plane_fmt,
Sylwester Nawrocki7536b422013-05-31 13:47:02 -0300974 (*out_fmt)->memplanes, try);
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -0300975 else
976 ret = -EPIPE;
977
978 fimc_md_graph_unlock(ve);
979 }
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300980
Sylwester Nawrocki740ad922012-12-06 10:26:19 -0300981 return ret;
Sylwester Nawrockie5785882011-06-10 15:36:50 -0300982}
983
Sylwester Nawrocki7536b422013-05-31 13:47:02 -0300984static int fimc_cap_try_fmt_mplane(struct file *file, void *fh,
985 struct v4l2_format *f)
986{
987 struct fimc_dev *fimc = video_drvdata(file);
988 struct fimc_fmt *out_fmt = NULL, *inp_fmt = NULL;
989
990 return __video_try_or_set_format(fimc, f, true, &inp_fmt, &out_fmt);
991}
992
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300993static void fimc_capture_mark_jpeg_xfer(struct fimc_ctx *ctx,
994 enum fimc_color_fmt color)
Sylwester Nawrockiee7160e52011-08-26 14:57:06 -0300995{
Sylwester Nawrocki14783d22012-09-24 11:08:45 -0300996 bool jpeg = fimc_fmt_is_user_defined(color);
997
Sylwester Nawrockiee7160e52011-08-26 14:57:06 -0300998 ctx->scaler.enabled = !jpeg;
999 fimc_ctrls_activate(ctx, !jpeg);
1000
1001 if (jpeg)
1002 set_bit(ST_CAPT_JPEG, &ctx->fimc_dev->state);
1003 else
1004 clear_bit(ST_CAPT_JPEG, &ctx->fimc_dev->state);
1005}
1006
Sylwester Nawrocki740ad922012-12-06 10:26:19 -03001007static int __fimc_capture_set_format(struct fimc_dev *fimc,
1008 struct v4l2_format *f)
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001009{
Sylwester Nawrocki7536b422013-05-31 13:47:02 -03001010 struct fimc_vid_cap *vc = &fimc->vid_cap;
1011 struct fimc_ctx *ctx = vc->ctx;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001012 struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001013 struct fimc_frame *ff = &ctx->d_frame;
Sylwester Nawrocki7536b422013-05-31 13:47:02 -03001014 struct fimc_fmt *inp_fmt = NULL;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001015 int ret, i;
1016
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001017 if (vb2_is_busy(&fimc->vid_cap.vbq))
1018 return -EBUSY;
1019
Sylwester Nawrocki7536b422013-05-31 13:47:02 -03001020 ret = __video_try_or_set_format(fimc, f, false, &inp_fmt, &ff->fmt);
1021 if (ret < 0)
1022 return ret;
Sylwester Nawrockidafb9c72011-12-01 14:02:24 -03001023
1024 /* Update RGB Alpha control state and value range */
1025 fimc_alpha_ctrl_update(ctx);
1026
Sylwester Nawrockifa8880be2013-01-11 06:36:19 -03001027 for (i = 0; i < ff->fmt->memplanes; i++) {
1028 ff->bytesperline[i] = pix->plane_fmt[i].bytesperline;
Sylwester Nawrockid547ab662012-05-16 15:00:26 -03001029 ff->payload[i] = pix->plane_fmt[i].sizeimage;
Sylwester Nawrockifa8880be2013-01-11 06:36:19 -03001030 }
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001031
1032 set_frame_bounds(ff, pix->width, pix->height);
1033 /* Reset the composition rectangle if not yet configured */
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001034 if (!(ctx->state & FIMC_COMPOSE))
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001035 set_frame_crop(ff, 0, 0, pix->width, pix->height);
1036
Sylwester Nawrocki14783d22012-09-24 11:08:45 -03001037 fimc_capture_mark_jpeg_xfer(ctx, ff->fmt->color);
Sylwester Nawrockiee7160e52011-08-26 14:57:06 -03001038
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001039 /* Reset cropping and set format at the camera interface input */
Sylwester Nawrocki7536b422013-05-31 13:47:02 -03001040 if (!vc->user_subdev_api) {
1041 ctx->s_frame.fmt = inp_fmt;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001042 set_frame_bounds(&ctx->s_frame, pix->width, pix->height);
1043 set_frame_crop(&ctx->s_frame, 0, 0, pix->width, pix->height);
1044 }
1045
1046 return ret;
1047}
1048
Sylwester Nawrockief7af592010-12-08 14:05:08 -03001049static int fimc_cap_s_fmt_mplane(struct file *file, void *priv,
1050 struct v4l2_format *f)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001051{
Sylwester Nawrockie5785882011-06-10 15:36:50 -03001052 struct fimc_dev *fimc = video_drvdata(file);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001053
Sylwester Nawrocki7536b422013-05-31 13:47:02 -03001054 return __fimc_capture_set_format(fimc, f);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001055}
1056
1057static int fimc_cap_enum_input(struct file *file, void *priv,
Sylwester Nawrocki3e002182011-07-26 18:27:59 -03001058 struct v4l2_input *i)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001059{
Sylwester Nawrockie5785882011-06-10 15:36:50 -03001060 struct fimc_dev *fimc = video_drvdata(file);
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -03001061 struct exynos_video_entity *ve = &fimc->vid_cap.ve;
1062 struct v4l2_subdev *sd;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001063
Sylwester Nawrocki3e002182011-07-26 18:27:59 -03001064 if (i->index != 0)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001065 return -EINVAL;
1066
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001067 i->type = V4L2_INPUT_TYPE_CAMERA;
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -03001068 fimc_md_graph_lock(ve);
1069 sd = __fimc_md_get_subdev(ve->pipe, IDX_SENSOR);
1070 fimc_md_graph_unlock(ve);
1071
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -03001072 if (sd)
Mauro Carvalho Chehabc0decac2018-09-10 08:19:14 -04001073 strscpy(i->name, sd->name, sizeof(i->name));
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -03001074
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001075 return 0;
1076}
1077
Sylwester Nawrocki3e002182011-07-26 18:27:59 -03001078static int fimc_cap_s_input(struct file *file, void *priv, unsigned int i)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001079{
Sylwester Nawrocki3e002182011-07-26 18:27:59 -03001080 return i == 0 ? i : -EINVAL;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001081}
1082
Sylwester Nawrocki3e002182011-07-26 18:27:59 -03001083static int fimc_cap_g_input(struct file *file, void *priv, unsigned int *i)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001084{
Sylwester Nawrocki3e002182011-07-26 18:27:59 -03001085 *i = 0;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001086 return 0;
1087}
1088
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001089/**
1090 * fimc_pipeline_validate - check for formats inconsistencies
1091 * between source and sink pad of each link
Mauro Carvalho Chehab3b060ba02017-11-29 04:32:51 -05001092 * @fimc: the FIMC device this context applies to
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001093 *
1094 * Return 0 if all formats match or -EPIPE otherwise.
1095 */
1096static int fimc_pipeline_validate(struct fimc_dev *fimc)
1097{
1098 struct v4l2_subdev_format sink_fmt, src_fmt;
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001099 struct fimc_vid_cap *vc = &fimc->vid_cap;
1100 struct v4l2_subdev *sd = &vc->subdev;
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -03001101 struct fimc_pipeline *p = to_fimc_pipeline(vc->ve.pipe);
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001102 struct media_pad *sink_pad, *src_pad;
1103 int i, ret;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001104
1105 while (1) {
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001106 /*
1107 * Find current entity sink pad and any remote sink pad linked
1108 * to it. We stop if there is no sink pad in current entity or
1109 * it is not linked to any other remote entity.
1110 */
1111 src_pad = NULL;
1112
1113 for (i = 0; i < sd->entity.num_pads; i++) {
1114 struct media_pad *p = &sd->entity.pads[i];
1115
1116 if (p->flags & MEDIA_PAD_FL_SINK) {
1117 sink_pad = p;
Andrzej Hajda1bddf1b2013-06-03 05:16:13 -03001118 src_pad = media_entity_remote_pad(sink_pad);
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001119 if (src_pad)
1120 break;
1121 }
1122 }
1123
Mauro Carvalho Chehab3efdf622015-05-07 22:12:32 -03001124 if (!src_pad || !is_media_entity_v4l2_subdev(src_pad->entity))
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001125 break;
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001126
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001127 /* Don't call FIMC subdev operation to avoid nested locking */
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001128 if (sd == &vc->subdev) {
1129 struct fimc_frame *ff = &vc->ctx->s_frame;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001130 sink_fmt.format.width = ff->f_width;
1131 sink_fmt.format.height = ff->f_height;
1132 sink_fmt.format.code = ff->fmt ? ff->fmt->mbus_code : 0;
1133 } else {
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001134 sink_fmt.pad = sink_pad->index;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001135 sink_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
1136 ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &sink_fmt);
1137 if (ret < 0 && ret != -ENOIOCTLCMD)
1138 return -EPIPE;
1139 }
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001140
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001141 /* Retrieve format at the source pad */
1142 sd = media_entity_to_v4l2_subdev(src_pad->entity);
1143 src_fmt.pad = src_pad->index;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001144 src_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
1145 ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &src_fmt);
1146 if (ret < 0 && ret != -ENOIOCTLCMD)
1147 return -EPIPE;
1148
1149 if (src_fmt.format.width != sink_fmt.format.width ||
1150 src_fmt.format.height != sink_fmt.format.height ||
1151 src_fmt.format.code != sink_fmt.format.code)
1152 return -EPIPE;
Sylwester Nawrocki14783d22012-09-24 11:08:45 -03001153
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -03001154 if (sd == p->subdevs[IDX_SENSOR] &&
Sylwester Nawrocki14783d22012-09-24 11:08:45 -03001155 fimc_user_defined_mbus_fmt(src_fmt.format.code)) {
1156 struct v4l2_plane_pix_format plane_fmt[FIMC_MAX_PLANES];
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001157 struct fimc_frame *frame = &vc->ctx->d_frame;
Sylwester Nawrocki14783d22012-09-24 11:08:45 -03001158 unsigned int i;
1159
1160 ret = fimc_get_sensor_frame_desc(sd, plane_fmt,
1161 frame->fmt->memplanes,
1162 false);
1163 if (ret < 0)
1164 return -EPIPE;
1165
1166 for (i = 0; i < frame->fmt->memplanes; i++)
1167 if (frame->payload[i] < plane_fmt[i].sizeimage)
1168 return -EPIPE;
1169 }
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001170 }
1171 return 0;
1172}
1173
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001174static int fimc_cap_streamon(struct file *file, void *priv,
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -03001175 enum v4l2_buf_type type)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001176{
Sylwester Nawrockie5785882011-06-10 15:36:50 -03001177 struct fimc_dev *fimc = video_drvdata(file);
Sylwester Nawrocki95c4a172013-03-20 10:35:43 -03001178 struct fimc_vid_cap *vc = &fimc->vid_cap;
Sylwester Nawrockibc7584b2013-05-31 11:37:18 -03001179 struct media_entity *entity = &vc->ve.vdev.entity;
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001180 struct fimc_source_info *si = NULL;
1181 struct v4l2_subdev *sd;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001182 int ret;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001183
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -03001184 if (fimc_capture_active(fimc))
Sylwester Nawrocki8293ebf2010-12-01 10:25:18 -03001185 return -EBUSY;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001186
Sakari Ailus20b85222016-11-21 14:48:30 -02001187 ret = media_pipeline_start(entity, &vc->ve.pipe->mp);
Sakari Ailusa60a2952012-05-25 07:08:05 -03001188 if (ret < 0)
1189 return ret;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001190
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -03001191 sd = __fimc_md_get_subdev(vc->ve.pipe, IDX_SENSOR);
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001192 if (sd)
1193 si = v4l2_get_subdev_hostdata(sd);
1194
1195 if (si == NULL) {
1196 ret = -EPIPE;
1197 goto err_p_stop;
1198 }
1199 /*
1200 * Save configuration data related to currently attached image
1201 * sensor or other data source, e.g. FIMC-IS.
1202 */
1203 vc->source_config = *si;
1204
1205 if (vc->input == GRP_ID_FIMC_IS)
1206 vc->source_config.fimc_bus_type = FIMC_BUS_TYPE_ISP_WRITEBACK;
1207
Sylwester Nawrocki95c4a172013-03-20 10:35:43 -03001208 if (vc->user_subdev_api) {
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001209 ret = fimc_pipeline_validate(fimc);
Sylwester Nawrocki95c4a172013-03-20 10:35:43 -03001210 if (ret < 0)
1211 goto err_p_stop;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001212 }
Sylwester Nawrocki95c4a172013-03-20 10:35:43 -03001213
Sylwester Nawrockic4449142013-03-25 16:36:35 -03001214 ret = vb2_ioctl_streamon(file, priv, type);
Sylwester Nawrocki9ea89e22013-03-25 16:50:50 -03001215 if (!ret) {
1216 vc->streaming = true;
Sylwester Nawrocki95c4a172013-03-20 10:35:43 -03001217 return ret;
Sylwester Nawrocki9ea89e22013-03-25 16:50:50 -03001218 }
Sylwester Nawrocki95c4a172013-03-20 10:35:43 -03001219
1220err_p_stop:
Sakari Ailus20b85222016-11-21 14:48:30 -02001221 media_pipeline_stop(entity);
Sylwester Nawrocki95c4a172013-03-20 10:35:43 -03001222 return ret;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001223}
1224
1225static int fimc_cap_streamoff(struct file *file, void *priv,
Sylwester Nawrocki8293ebf2010-12-01 10:25:18 -03001226 enum v4l2_buf_type type)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001227{
Sylwester Nawrockie5785882011-06-10 15:36:50 -03001228 struct fimc_dev *fimc = video_drvdata(file);
Sylwester Nawrockibc7584b2013-05-31 11:37:18 -03001229 struct fimc_vid_cap *vc = &fimc->vid_cap;
Sylwester Nawrocki4db5e272011-08-26 14:51:00 -03001230 int ret;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001231
Sylwester Nawrockic4449142013-03-25 16:36:35 -03001232 ret = vb2_ioctl_streamoff(file, priv, type);
Sylwester Nawrocki9ea89e22013-03-25 16:50:50 -03001233 if (ret < 0)
1234 return ret;
Sylwester Nawrocki95c4a172013-03-20 10:35:43 -03001235
Jonathan Bakkere571f752020-07-31 01:01:13 +02001236 if (vc->streaming) {
1237 media_pipeline_stop(&vc->ve.vdev.entity);
1238 vc->streaming = false;
1239 }
1240
Sylwester Nawrocki9ea89e22013-03-25 16:50:50 -03001241 return 0;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001242}
1243
1244static int fimc_cap_reqbufs(struct file *file, void *priv,
Sylwester Nawrockief7af592010-12-08 14:05:08 -03001245 struct v4l2_requestbuffers *reqbufs)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001246{
Sylwester Nawrockie5785882011-06-10 15:36:50 -03001247 struct fimc_dev *fimc = video_drvdata(file);
Sylwester Nawrockic4449142013-03-25 16:36:35 -03001248 int ret;
1249
1250 ret = vb2_ioctl_reqbufs(file, priv, reqbufs);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001251
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001252 if (!ret)
Sylwester Nawrockie5785882011-06-10 15:36:50 -03001253 fimc->vid_cap.reqbufs_count = reqbufs->count;
Sylwester Nawrockic4449142013-03-25 16:36:35 -03001254
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001255 return ret;
1256}
1257
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001258static int fimc_cap_g_selection(struct file *file, void *fh,
1259 struct v4l2_selection *s)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001260{
Sylwester Nawrockie5785882011-06-10 15:36:50 -03001261 struct fimc_dev *fimc = video_drvdata(file);
1262 struct fimc_ctx *ctx = fimc->vid_cap.ctx;
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001263 struct fimc_frame *f = &ctx->s_frame;
1264
Hans Verkuileaec420f52017-05-08 11:35:05 -03001265 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001266 return -EINVAL;
1267
1268 switch (s->target) {
1269 case V4L2_SEL_TGT_COMPOSE_DEFAULT:
1270 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
1271 f = &ctx->d_frame;
Gustavo A. R. Silva1771e9f2020-07-25 00:10:14 +02001272 fallthrough;
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001273 case V4L2_SEL_TGT_CROP_BOUNDS:
1274 case V4L2_SEL_TGT_CROP_DEFAULT:
1275 s->r.left = 0;
1276 s->r.top = 0;
1277 s->r.width = f->o_width;
1278 s->r.height = f->o_height;
1279 return 0;
1280
Sylwester Nawrockic1334822012-05-20 11:17:12 -03001281 case V4L2_SEL_TGT_COMPOSE:
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001282 f = &ctx->d_frame;
Gustavo A. R. Silva1771e9f2020-07-25 00:10:14 +02001283 fallthrough;
Sylwester Nawrockic1334822012-05-20 11:17:12 -03001284 case V4L2_SEL_TGT_CROP:
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001285 s->r.left = f->offs_h;
1286 s->r.top = f->offs_v;
1287 s->r.width = f->width;
1288 s->r.height = f->height;
1289 return 0;
1290 }
1291
1292 return -EINVAL;
1293}
1294
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001295static int fimc_cap_s_selection(struct file *file, void *fh,
1296 struct v4l2_selection *s)
1297{
1298 struct fimc_dev *fimc = video_drvdata(file);
1299 struct fimc_ctx *ctx = fimc->vid_cap.ctx;
1300 struct v4l2_rect rect = s->r;
1301 struct fimc_frame *f;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001302 unsigned long flags;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001303
Hans Verkuileaec420f52017-05-08 11:35:05 -03001304 if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001305 return -EINVAL;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001306
Sylwester Nawrockic1334822012-05-20 11:17:12 -03001307 if (s->target == V4L2_SEL_TGT_COMPOSE)
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001308 f = &ctx->d_frame;
Sylwester Nawrockic1334822012-05-20 11:17:12 -03001309 else if (s->target == V4L2_SEL_TGT_CROP)
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001310 f = &ctx->s_frame;
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001311 else
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001312 return -EINVAL;
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001313
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001314 fimc_capture_try_selection(ctx, &rect, s->target);
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001315
1316 if (s->flags & V4L2_SEL_FLAG_LE &&
Benoit Parrot030b1612020-05-28 15:26:05 +02001317 !v4l2_rect_enclosed(&rect, &s->r))
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001318 return -ERANGE;
1319
1320 if (s->flags & V4L2_SEL_FLAG_GE &&
Benoit Parrot030b1612020-05-28 15:26:05 +02001321 !v4l2_rect_enclosed(&s->r, &rect))
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001322 return -ERANGE;
1323
1324 s->r = rect;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001325 spin_lock_irqsave(&fimc->slock, flags);
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001326 set_frame_crop(f, s->r.left, s->r.top, s->r.width,
1327 s->r.height);
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001328 spin_unlock_irqrestore(&fimc->slock, flags);
Sylwester Nawrocki8293ebf2010-12-01 10:25:18 -03001329
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001330 set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
Sylwester Nawrocki8293ebf2010-12-01 10:25:18 -03001331 return 0;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001332}
1333
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001334static const struct v4l2_ioctl_ops fimc_capture_ioctl_ops = {
Sylwester Nawrockiaceb59e2013-04-23 11:36:04 -03001335 .vidioc_querycap = fimc_cap_querycap,
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001336
Boris Brezillon7e98b7b2019-06-04 03:06:25 -04001337 .vidioc_enum_fmt_vid_cap = fimc_cap_enum_fmt,
Sylwester Nawrockie5785882011-06-10 15:36:50 -03001338 .vidioc_try_fmt_vid_cap_mplane = fimc_cap_try_fmt_mplane,
Sylwester Nawrockief7af592010-12-08 14:05:08 -03001339 .vidioc_s_fmt_vid_cap_mplane = fimc_cap_s_fmt_mplane,
Sylwester Nawrockie5785882011-06-10 15:36:50 -03001340 .vidioc_g_fmt_vid_cap_mplane = fimc_cap_g_fmt_mplane,
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001341
1342 .vidioc_reqbufs = fimc_cap_reqbufs,
Sylwester Nawrockic4449142013-03-25 16:36:35 -03001343 .vidioc_querybuf = vb2_ioctl_querybuf,
1344 .vidioc_qbuf = vb2_ioctl_qbuf,
1345 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1346 .vidioc_expbuf = vb2_ioctl_expbuf,
1347 .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
1348 .vidioc_create_bufs = vb2_ioctl_create_bufs,
Sylwester Nawrocki3b4c34a2012-01-30 14:56:59 -03001349
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001350 .vidioc_streamon = fimc_cap_streamon,
1351 .vidioc_streamoff = fimc_cap_streamoff,
1352
Sylwester Nawrockif9331d12012-02-04 17:03:54 -03001353 .vidioc_g_selection = fimc_cap_g_selection,
1354 .vidioc_s_selection = fimc_cap_s_selection,
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001355
1356 .vidioc_enum_input = fimc_cap_enum_input,
1357 .vidioc_s_input = fimc_cap_s_input,
1358 .vidioc_g_input = fimc_cap_g_input,
1359};
1360
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001361/* Capture subdev media entity operations */
Sylwester Nawrockid09a7dc2011-08-24 19:28:18 -03001362static int fimc_link_setup(struct media_entity *entity,
1363 const struct media_pad *local,
1364 const struct media_pad *remote, u32 flags)
1365{
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001366 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1367 struct fimc_dev *fimc = v4l2_get_subdevdata(sd);
Sylwester Nawrocki44031062013-05-31 11:37:19 -03001368 struct fimc_vid_cap *vc = &fimc->vid_cap;
1369 struct v4l2_subdev *sensor;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001370
Mauro Carvalho Chehab3efdf622015-05-07 22:12:32 -03001371 if (!is_media_entity_v4l2_subdev(remote->entity))
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001372 return -EINVAL;
Sylwester Nawrockid09a7dc2011-08-24 19:28:18 -03001373
1374 if (WARN_ON(fimc == NULL))
1375 return 0;
1376
1377 dbg("%s --> %s, flags: 0x%x. input: 0x%x",
1378 local->entity->name, remote->entity->name, flags,
1379 fimc->vid_cap.input);
1380
Sylwester Nawrocki44031062013-05-31 11:37:19 -03001381 if (!(flags & MEDIA_LNK_FL_ENABLED)) {
1382 fimc->vid_cap.input = 0;
Sylwester Nawrockid09a7dc2011-08-24 19:28:18 -03001383 return 0;
1384 }
1385
Sylwester Nawrocki44031062013-05-31 11:37:19 -03001386 if (vc->input != 0)
1387 return -EBUSY;
1388
1389 vc->input = sd->grp_id;
1390
Jonathan Bakker24939f92020-07-31 01:01:11 +02001391 if (vc->user_subdev_api)
Sylwester Nawrocki44031062013-05-31 11:37:19 -03001392 return 0;
1393
1394 /* Inherit V4L2 controls from the image sensor subdev. */
1395 sensor = fimc_find_remote_sensor(&vc->subdev.entity);
1396 if (sensor == NULL)
1397 return 0;
1398
1399 return v4l2_ctrl_add_handler(&vc->ctx->ctrls.handler,
Hans Verkuilda1b1ae2018-05-21 04:54:36 -04001400 sensor->ctrl_handler, NULL, true);
Sylwester Nawrockid09a7dc2011-08-24 19:28:18 -03001401}
1402
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001403static const struct media_entity_operations fimc_sd_media_ops = {
Sylwester Nawrockid09a7dc2011-08-24 19:28:18 -03001404 .link_setup = fimc_link_setup,
1405};
1406
Sylwester Nawrockie1d72f42011-06-10 15:36:58 -03001407/**
1408 * fimc_sensor_notify - v4l2_device notification from a sensor subdev
1409 * @sd: pointer to a subdev generating the notification
1410 * @notification: the notification type, must be S5P_FIMC_TX_END_NOTIFY
1411 * @arg: pointer to an u32 type integer that stores the frame payload value
1412 *
1413 * The End Of Frame notification sent by sensor subdev in its still capture
1414 * mode. If there is only a single VSYNC generated by the sensor at the
1415 * beginning of a frame transmission, FIMC does not issue the LastIrq
1416 * (end of frame) interrupt. And this notification is used to complete the
1417 * frame capture and returning a buffer to user-space. Subdev drivers should
1418 * call this notification from their last 'End of frame capture' interrupt.
1419 */
1420void fimc_sensor_notify(struct v4l2_subdev *sd, unsigned int notification,
1421 void *arg)
1422{
Sylwester Nawrocki4c8f0622013-04-09 11:11:58 -03001423 struct fimc_source_info *si;
Sylwester Nawrockie1d72f42011-06-10 15:36:58 -03001424 struct fimc_vid_buffer *buf;
1425 struct fimc_md *fmd;
1426 struct fimc_dev *fimc;
1427 unsigned long flags;
1428
1429 if (sd == NULL)
1430 return;
1431
Sylwester Nawrocki4c8f0622013-04-09 11:11:58 -03001432 si = v4l2_get_subdev_hostdata(sd);
Sylwester Nawrockie1d72f42011-06-10 15:36:58 -03001433 fmd = entity_to_fimc_mdev(&sd->entity);
1434
1435 spin_lock_irqsave(&fmd->slock, flags);
Sylwester Nawrocki4c8f0622013-04-09 11:11:58 -03001436
1437 fimc = si ? source_to_sensor_info(si)->host : NULL;
Sylwester Nawrockie1d72f42011-06-10 15:36:58 -03001438
1439 if (fimc && arg && notification == S5P_FIMC_TX_END_NOTIFY &&
1440 test_bit(ST_CAPT_PEND, &fimc->state)) {
1441 unsigned long irq_flags;
1442 spin_lock_irqsave(&fimc->slock, irq_flags);
1443 if (!list_empty(&fimc->vid_cap.active_buf_q)) {
1444 buf = list_entry(fimc->vid_cap.active_buf_q.next,
1445 struct fimc_vid_buffer, list);
Junghak Sung2d700712015-09-22 10:30:30 -03001446 vb2_set_plane_payload(&buf->vb.vb2_buf, 0,
1447 *((u32 *)arg));
Sylwester Nawrockie1d72f42011-06-10 15:36:58 -03001448 }
Sylwester Nawrocki97d97422012-05-08 15:51:24 -03001449 fimc_capture_irq_handler(fimc, 1);
Sylwester Nawrockie1d72f42011-06-10 15:36:58 -03001450 fimc_deactivate_capture(fimc);
1451 spin_unlock_irqrestore(&fimc->slock, irq_flags);
1452 }
1453 spin_unlock_irqrestore(&fmd->slock, flags);
1454}
1455
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001456static int fimc_subdev_enum_mbus_code(struct v4l2_subdev *sd,
Tomi Valkeinen0d346d22021-06-10 17:55:58 +03001457 struct v4l2_subdev_state *sd_state,
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001458 struct v4l2_subdev_mbus_code_enum *code)
1459{
1460 struct fimc_fmt *fmt;
1461
1462 fmt = fimc_find_format(NULL, NULL, FMT_FLAGS_CAM, code->index);
1463 if (!fmt)
1464 return -EINVAL;
1465 code->code = fmt->mbus_code;
1466 return 0;
1467}
1468
1469static int fimc_subdev_get_fmt(struct v4l2_subdev *sd,
Tomi Valkeinen0d346d22021-06-10 17:55:58 +03001470 struct v4l2_subdev_state *sd_state,
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001471 struct v4l2_subdev_format *fmt)
1472{
1473 struct fimc_dev *fimc = v4l2_get_subdevdata(sd);
1474 struct fimc_ctx *ctx = fimc->vid_cap.ctx;
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001475 struct fimc_frame *ff = &ctx->s_frame;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001476 struct v4l2_mbus_framefmt *mf;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001477
1478 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
Tomi Valkeinen0d346d22021-06-10 17:55:58 +03001479 mf = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001480 fmt->format = *mf;
1481 return 0;
1482 }
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001483
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001484 mf = &fmt->format;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001485 mutex_lock(&fimc->lock);
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001486
1487 switch (fmt->pad) {
1488 case FIMC_SD_PAD_SOURCE:
1489 if (!WARN_ON(ff->fmt == NULL))
1490 mf->code = ff->fmt->mbus_code;
1491 /* Sink pads crop rectangle size */
1492 mf->width = ff->width;
1493 mf->height = ff->height;
1494 break;
1495 case FIMC_SD_PAD_SINK_FIFO:
1496 *mf = fimc->vid_cap.wb_fmt;
1497 break;
1498 case FIMC_SD_PAD_SINK_CAM:
1499 default:
1500 *mf = fimc->vid_cap.ci_fmt;
1501 break;
1502 }
1503
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001504 mutex_unlock(&fimc->lock);
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001505 mf->colorspace = V4L2_COLORSPACE_JPEG;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001506
1507 return 0;
1508}
1509
1510static int fimc_subdev_set_fmt(struct v4l2_subdev *sd,
Tomi Valkeinen0d346d22021-06-10 17:55:58 +03001511 struct v4l2_subdev_state *sd_state,
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001512 struct v4l2_subdev_format *fmt)
1513{
1514 struct fimc_dev *fimc = v4l2_get_subdevdata(sd);
1515 struct v4l2_mbus_framefmt *mf = &fmt->format;
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001516 struct fimc_vid_cap *vc = &fimc->vid_cap;
1517 struct fimc_ctx *ctx = vc->ctx;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001518 struct fimc_frame *ff;
1519 struct fimc_fmt *ffmt;
1520
1521 dbg("pad%d: code: 0x%x, %dx%d",
1522 fmt->pad, mf->code, mf->width, mf->height);
1523
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001524 if (fmt->pad == FIMC_SD_PAD_SOURCE && vb2_is_busy(&vc->vbq))
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001525 return -EBUSY;
1526
1527 mutex_lock(&fimc->lock);
1528 ffmt = fimc_capture_try_format(ctx, &mf->width, &mf->height,
1529 &mf->code, NULL, fmt->pad);
1530 mutex_unlock(&fimc->lock);
1531 mf->colorspace = V4L2_COLORSPACE_JPEG;
1532
1533 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
Tomi Valkeinen0d346d22021-06-10 17:55:58 +03001534 mf = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001535 *mf = fmt->format;
1536 return 0;
1537 }
Sylwester Nawrocki66125452012-12-05 13:52:00 -03001538 /* There must be a bug in the driver if this happens */
1539 if (WARN_ON(ffmt == NULL))
1540 return -EINVAL;
1541
Sylwester Nawrockidafb9c72011-12-01 14:02:24 -03001542 /* Update RGB Alpha control state and value range */
1543 fimc_alpha_ctrl_update(ctx);
1544
Sylwester Nawrocki14783d22012-09-24 11:08:45 -03001545 fimc_capture_mark_jpeg_xfer(ctx, ffmt->color);
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001546 if (fmt->pad == FIMC_SD_PAD_SOURCE) {
1547 ff = &ctx->d_frame;
1548 /* Sink pads crop rectangle size */
1549 mf->width = ctx->s_frame.width;
1550 mf->height = ctx->s_frame.height;
1551 } else {
1552 ff = &ctx->s_frame;
1553 }
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001554
1555 mutex_lock(&fimc->lock);
1556 set_frame_bounds(ff, mf->width, mf->height);
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001557
1558 if (fmt->pad == FIMC_SD_PAD_SINK_FIFO)
1559 vc->wb_fmt = *mf;
1560 else if (fmt->pad == FIMC_SD_PAD_SINK_CAM)
1561 vc->ci_fmt = *mf;
1562
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001563 ff->fmt = ffmt;
1564
1565 /* Reset the crop rectangle if required. */
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001566 if (!(fmt->pad == FIMC_SD_PAD_SOURCE && (ctx->state & FIMC_COMPOSE)))
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001567 set_frame_crop(ff, 0, 0, mf->width, mf->height);
1568
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001569 if (fmt->pad != FIMC_SD_PAD_SOURCE)
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001570 ctx->state &= ~FIMC_COMPOSE;
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001571
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001572 mutex_unlock(&fimc->lock);
1573 return 0;
1574}
1575
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001576static int fimc_subdev_get_selection(struct v4l2_subdev *sd,
Tomi Valkeinen0d346d22021-06-10 17:55:58 +03001577 struct v4l2_subdev_state *sd_state,
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001578 struct v4l2_subdev_selection *sel)
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001579{
1580 struct fimc_dev *fimc = v4l2_get_subdevdata(sd);
1581 struct fimc_ctx *ctx = fimc->vid_cap.ctx;
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001582 struct fimc_frame *f = &ctx->s_frame;
1583 struct v4l2_rect *r = &sel->r;
1584 struct v4l2_rect *try_sel;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001585
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001586 if (sel->pad == FIMC_SD_PAD_SOURCE)
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001587 return -EINVAL;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001588
1589 mutex_lock(&fimc->lock);
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001590
1591 switch (sel->target) {
Sakari Ailus5689b282012-05-18 09:31:18 -03001592 case V4L2_SEL_TGT_COMPOSE_BOUNDS:
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001593 f = &ctx->d_frame;
Gustavo A. R. Silva1771e9f2020-07-25 00:10:14 +02001594 fallthrough;
Sakari Ailus5689b282012-05-18 09:31:18 -03001595 case V4L2_SEL_TGT_CROP_BOUNDS:
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001596 r->width = f->o_width;
1597 r->height = f->o_height;
1598 r->left = 0;
1599 r->top = 0;
1600 mutex_unlock(&fimc->lock);
1601 return 0;
1602
Sakari Ailus5689b282012-05-18 09:31:18 -03001603 case V4L2_SEL_TGT_CROP:
Tomi Valkeinen0d346d22021-06-10 17:55:58 +03001604 try_sel = v4l2_subdev_get_try_crop(sd, sd_state, sel->pad);
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001605 break;
Sakari Ailus5689b282012-05-18 09:31:18 -03001606 case V4L2_SEL_TGT_COMPOSE:
Tomi Valkeinen0d346d22021-06-10 17:55:58 +03001607 try_sel = v4l2_subdev_get_try_compose(sd, sd_state, sel->pad);
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001608 f = &ctx->d_frame;
1609 break;
1610 default:
1611 mutex_unlock(&fimc->lock);
1612 return -EINVAL;
1613 }
1614
1615 if (sel->which == V4L2_SUBDEV_FORMAT_TRY) {
1616 sel->r = *try_sel;
1617 } else {
1618 r->left = f->offs_h;
1619 r->top = f->offs_v;
1620 r->width = f->width;
1621 r->height = f->height;
1622 }
1623
1624 dbg("target %#x: l:%d, t:%d, %dx%d, f_w: %d, f_h: %d",
1625 sel->pad, r->left, r->top, r->width, r->height,
1626 f->f_width, f->f_height);
1627
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001628 mutex_unlock(&fimc->lock);
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001629 return 0;
1630}
1631
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001632static int fimc_subdev_set_selection(struct v4l2_subdev *sd,
Tomi Valkeinen0d346d22021-06-10 17:55:58 +03001633 struct v4l2_subdev_state *sd_state,
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001634 struct v4l2_subdev_selection *sel)
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001635{
1636 struct fimc_dev *fimc = v4l2_get_subdevdata(sd);
1637 struct fimc_ctx *ctx = fimc->vid_cap.ctx;
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001638 struct fimc_frame *f = &ctx->s_frame;
1639 struct v4l2_rect *r = &sel->r;
1640 struct v4l2_rect *try_sel;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001641 unsigned long flags;
1642
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001643 if (sel->pad == FIMC_SD_PAD_SOURCE)
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001644 return -EINVAL;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001645
1646 mutex_lock(&fimc->lock);
Sylwester Nawrockic1334822012-05-20 11:17:12 -03001647 fimc_capture_try_selection(ctx, r, V4L2_SEL_TGT_CROP);
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001648
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001649 switch (sel->target) {
Sakari Ailus5689b282012-05-18 09:31:18 -03001650 case V4L2_SEL_TGT_CROP:
Tomi Valkeinen0d346d22021-06-10 17:55:58 +03001651 try_sel = v4l2_subdev_get_try_crop(sd, sd_state, sel->pad);
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001652 break;
Sakari Ailus5689b282012-05-18 09:31:18 -03001653 case V4L2_SEL_TGT_COMPOSE:
Tomi Valkeinen0d346d22021-06-10 17:55:58 +03001654 try_sel = v4l2_subdev_get_try_compose(sd, sd_state, sel->pad);
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001655 f = &ctx->d_frame;
1656 break;
1657 default:
1658 mutex_unlock(&fimc->lock);
1659 return -EINVAL;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001660 }
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001661
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001662 if (sel->which == V4L2_SUBDEV_FORMAT_TRY) {
1663 *try_sel = sel->r;
1664 } else {
1665 spin_lock_irqsave(&fimc->slock, flags);
1666 set_frame_crop(f, r->left, r->top, r->width, r->height);
1667 set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
Sakari Ailus5689b282012-05-18 09:31:18 -03001668 if (sel->target == V4L2_SEL_TGT_COMPOSE)
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001669 ctx->state |= FIMC_COMPOSE;
Sylwester Nawrocki8b164102013-01-30 09:55:46 -03001670 spin_unlock_irqrestore(&fimc->slock, flags);
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001671 }
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001672
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001673 dbg("target %#x: (%d,%d)/%dx%d", sel->target, r->left, r->top,
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001674 r->width, r->height);
1675
1676 mutex_unlock(&fimc->lock);
1677 return 0;
1678}
1679
Bhumika Goyala2fafda2016-12-12 16:03:57 -02001680static const struct v4l2_subdev_pad_ops fimc_subdev_pad_ops = {
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001681 .enum_mbus_code = fimc_subdev_enum_mbus_code,
Sylwester Nawrockifed07f82012-04-29 17:46:03 -03001682 .get_selection = fimc_subdev_get_selection,
1683 .set_selection = fimc_subdev_set_selection,
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001684 .get_fmt = fimc_subdev_get_fmt,
1685 .set_fmt = fimc_subdev_set_fmt,
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001686};
1687
Bhumika Goyala2fafda2016-12-12 16:03:57 -02001688static const struct v4l2_subdev_ops fimc_subdev_ops = {
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001689 .pad = &fimc_subdev_pad_ops,
1690};
1691
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001692/* Set default format at the sensor and host interface */
1693static int fimc_capture_set_default_format(struct fimc_dev *fimc)
1694{
1695 struct v4l2_format fmt = {
1696 .type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
1697 .fmt.pix_mp = {
Sylwester Nawrocki3ad86242013-06-18 14:56:11 -03001698 .width = FIMC_DEFAULT_WIDTH,
1699 .height = FIMC_DEFAULT_HEIGHT,
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001700 .pixelformat = V4L2_PIX_FMT_YUYV,
1701 .field = V4L2_FIELD_NONE,
1702 .colorspace = V4L2_COLORSPACE_JPEG,
1703 },
1704 };
1705
Sylwester Nawrocki740ad922012-12-06 10:26:19 -03001706 return __fimc_capture_set_format(fimc, &fmt);
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001707}
1708
Sylwester Nawrockief7af592010-12-08 14:05:08 -03001709/* fimc->lock must be already initialized */
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001710static int fimc_register_capture_device(struct fimc_dev *fimc,
Sylwester Nawrocki30c99392011-06-10 15:36:48 -03001711 struct v4l2_device *v4l2_dev)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001712{
Sylwester Nawrockibc7584b2013-05-31 11:37:18 -03001713 struct video_device *vfd = &fimc->vid_cap.ve.vdev;
Sylwester Nawrockic4449142013-03-25 16:36:35 -03001714 struct vb2_queue *q = &fimc->vid_cap.vbq;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001715 struct fimc_ctx *ctx;
Sylwester Nawrockic4449142013-03-25 16:36:35 -03001716 struct fimc_vid_cap *vid_cap;
Sylwester Nawrocki3ad86242013-06-18 14:56:11 -03001717 struct fimc_fmt *fmt;
Sylwester Nawrocki30c99392011-06-10 15:36:48 -03001718 int ret = -ENOMEM;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001719
Sachin Kamat26ee7f42012-08-17 03:28:27 -03001720 ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001721 if (!ctx)
1722 return -ENOMEM;
1723
1724 ctx->fimc_dev = fimc;
Sylwester Nawrocki3d112d92012-04-26 06:26:29 -03001725 ctx->in_path = FIMC_IO_CAMERA;
1726 ctx->out_path = FIMC_IO_DMA;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001727 ctx->state = FIMC_CTX_CAP;
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001728 ctx->s_frame.fmt = fimc_find_format(NULL, NULL, FMT_FLAGS_CAM, 0);
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001729 ctx->d_frame.fmt = ctx->s_frame.fmt;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001730
Sylwester Nawrocki31d34d92012-07-26 07:15:42 -03001731 memset(vfd, 0, sizeof(*vfd));
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001732 snprintf(vfd->name, sizeof(vfd->name), "fimc.%d.capture", fimc->id);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001733
1734 vfd->fops = &fimc_capture_fops;
1735 vfd->ioctl_ops = &fimc_capture_ioctl_ops;
Sylwester Nawrocki574e1712011-07-26 18:08:21 -03001736 vfd->v4l2_dev = v4l2_dev;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001737 vfd->minor = -1;
Sylwester Nawrocki31d34d92012-07-26 07:15:42 -03001738 vfd->release = video_device_release_empty;
Sylwester Nawrockic4449142013-03-25 16:36:35 -03001739 vfd->queue = q;
Sylwester Nawrocki8293ebf2010-12-01 10:25:18 -03001740 vfd->lock = &fimc->lock;
Boris Brezillon1ddc8a92019-06-04 03:06:24 -04001741 vfd->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE_MPLANE;
Sylwester Nawrockic2d430a2012-06-27 09:56:17 -03001742
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001743 video_set_drvdata(vfd, fimc);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001744 vid_cap = &fimc->vid_cap;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001745 vid_cap->active_buf_cnt = 0;
Sylwester Nawrockic4449142013-03-25 16:36:35 -03001746 vid_cap->reqbufs_count = 0;
1747 vid_cap->ctx = ctx;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001748
1749 INIT_LIST_HEAD(&vid_cap->pending_buf_q);
1750 INIT_LIST_HEAD(&vid_cap->active_buf_q);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001751
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -03001752 memset(q, 0, sizeof(*q));
Sylwester Nawrockief7af592010-12-08 14:05:08 -03001753 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
Tomasz Stanislawski9bd09fd2012-06-14 10:37:49 -03001754 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
Sylwester Nawrockic4449142013-03-25 16:36:35 -03001755 q->drv_priv = ctx;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -03001756 q->ops = &fimc_capture_qops;
1757 q->mem_ops = &vb2_dma_contig_memops;
1758 q->buf_struct_size = sizeof(struct fimc_vid_buffer);
Sakari Ailusade48682014-02-25 19:12:19 -03001759 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
Sylwester Nawrockic4449142013-03-25 16:36:35 -03001760 q->lock = &fimc->lock;
Hans Verkuil2548fee2016-02-16 07:30:19 -02001761 q->dev = &fimc->pdev->dev;
Sylwester Nawrocki2dab38e2010-12-01 10:14:59 -03001762
Sylwester Nawrocki41fd0872012-10-19 08:24:18 -03001763 ret = vb2_queue_init(q);
1764 if (ret)
Sylwester Nawrocki44031062013-05-31 11:37:19 -03001765 goto err_free_ctx;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001766
Sylwester Nawrocki3ad86242013-06-18 14:56:11 -03001767 /* Default format configuration */
1768 fmt = fimc_find_format(NULL, NULL, FMT_FLAGS_CAM, 0);
1769 vid_cap->ci_fmt.width = FIMC_DEFAULT_WIDTH;
1770 vid_cap->ci_fmt.height = FIMC_DEFAULT_HEIGHT;
1771 vid_cap->ci_fmt.code = fmt->mbus_code;
1772
1773 ctx->s_frame.width = FIMC_DEFAULT_WIDTH;
1774 ctx->s_frame.height = FIMC_DEFAULT_HEIGHT;
1775 ctx->s_frame.fmt = fmt;
1776
1777 fmt = fimc_find_format(NULL, NULL, FMT_FLAGS_WRITEBACK, 0);
1778 vid_cap->wb_fmt = vid_cap->ci_fmt;
1779 vid_cap->wb_fmt.code = fmt->mbus_code;
1780
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001781 vid_cap->vd_pad.flags = MEDIA_PAD_FL_SINK;
Sylwester Nawrockibae45002016-09-01 08:47:05 -03001782 vfd->entity.function = MEDIA_ENT_F_PROC_VIDEO_SCALER;
Mauro Carvalho Chehabab22e772015-12-11 07:44:40 -02001783 ret = media_entity_pads_init(&vfd->entity, 1, &vid_cap->vd_pad);
Sylwester Nawrocki574e1712011-07-26 18:08:21 -03001784 if (ret)
Sylwester Nawrocki44031062013-05-31 11:37:19 -03001785 goto err_free_ctx;
1786
1787 ret = fimc_ctrls_create(ctx);
1788 if (ret)
1789 goto err_me_cleanup;
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001790
Hans Verkuil70cad4492020-02-03 12:41:18 +01001791 ret = video_register_device(vfd, VFL_TYPE_VIDEO, -1);
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001792 if (ret)
Sylwester Nawrocki44031062013-05-31 11:37:19 -03001793 goto err_ctrl_free;
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001794
1795 v4l2_info(v4l2_dev, "Registered %s as /dev/%s\n",
1796 vfd->name, video_device_node_name(vfd));
Sylwester Nawrocki574e1712011-07-26 18:08:21 -03001797
Sylwester Nawrocki9448ab72012-04-02 06:41:22 -03001798 vfd->ctrl_handler = &ctx->ctrls.handler;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001799 return 0;
1800
Sylwester Nawrocki44031062013-05-31 11:37:19 -03001801err_ctrl_free:
1802 fimc_ctrls_delete(ctx);
1803err_me_cleanup:
Sylwester Nawrocki237e0262011-08-24 20:35:30 -03001804 media_entity_cleanup(&vfd->entity);
Sylwester Nawrocki44031062013-05-31 11:37:19 -03001805err_free_ctx:
Sylwester Nawrockicfd77312011-06-02 06:18:34 -03001806 kfree(ctx);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001807 return ret;
1808}
1809
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001810static int fimc_capture_subdev_registered(struct v4l2_subdev *sd)
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001811{
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001812 struct fimc_dev *fimc = v4l2_get_subdevdata(sd);
1813 int ret;
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001814
Sylwester Nawrockibbc52962012-07-26 07:59:11 -03001815 if (fimc == NULL)
1816 return -ENXIO;
1817
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001818 ret = fimc_register_m2m_device(fimc, sd->v4l2_dev);
1819 if (ret)
1820 return ret;
1821
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -03001822 fimc->vid_cap.ve.pipe = v4l2_get_subdev_hostdata(sd);
Sylwester Nawrocki97d66c42012-11-22 06:17:19 -03001823
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001824 ret = fimc_register_capture_device(fimc, sd->v4l2_dev);
Sylwester Nawrocki97d66c42012-11-22 06:17:19 -03001825 if (ret) {
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001826 fimc_unregister_m2m_device(fimc);
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -03001827 fimc->vid_cap.ve.pipe = NULL;
Sylwester Nawrocki97d66c42012-11-22 06:17:19 -03001828 }
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001829
1830 return ret;
1831}
1832
1833static void fimc_capture_subdev_unregistered(struct v4l2_subdev *sd)
1834{
1835 struct fimc_dev *fimc = v4l2_get_subdevdata(sd);
Sylwester Nawrockibc7584b2013-05-31 11:37:18 -03001836 struct video_device *vdev;
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001837
1838 if (fimc == NULL)
1839 return;
1840
Sylwester Nawrocki26d63d12013-05-31 11:37:25 -03001841 mutex_lock(&fimc->lock);
1842
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001843 fimc_unregister_m2m_device(fimc);
Sylwester Nawrockibc7584b2013-05-31 11:37:18 -03001844 vdev = &fimc->vid_cap.ve.vdev;
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001845
Sylwester Nawrockibc7584b2013-05-31 11:37:18 -03001846 if (video_is_registered(vdev)) {
1847 video_unregister_device(vdev);
1848 media_entity_cleanup(&vdev->entity);
Sylwester Nawrocki44031062013-05-31 11:37:19 -03001849 fimc_ctrls_delete(fimc->vid_cap.ctx);
Sylwester Nawrocki403dfbe2013-05-31 11:37:22 -03001850 fimc->vid_cap.ve.pipe = NULL;
Sylwester Nawrocki574e1712011-07-26 18:08:21 -03001851 }
1852 kfree(fimc->vid_cap.ctx);
Sylwester Nawrocki96a85742011-08-26 15:40:36 -03001853 fimc->vid_cap.ctx = NULL;
Sylwester Nawrocki26d63d12013-05-31 11:37:25 -03001854
1855 mutex_unlock(&fimc->lock);
Sylwester Nawrocki5f3cc442010-10-07 10:06:16 -03001856}
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001857
1858static const struct v4l2_subdev_internal_ops fimc_capture_sd_internal_ops = {
1859 .registered = fimc_capture_subdev_registered,
1860 .unregistered = fimc_capture_subdev_unregistered,
1861};
1862
1863int fimc_initialize_capture_subdev(struct fimc_dev *fimc)
1864{
1865 struct v4l2_subdev *sd = &fimc->vid_cap.subdev;
1866 int ret;
1867
1868 v4l2_subdev_init(sd, &fimc_subdev_ops);
Sylwester Nawrocki5a665612013-04-18 08:49:54 -03001869 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
Sylwester Nawrockie80cb1f2013-03-26 08:22:21 -03001870 snprintf(sd->name, sizeof(sd->name), "FIMC.%d", fimc->id);
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001871
Sylwester Nawrocki88fa8312013-03-20 10:44:39 -03001872 fimc->vid_cap.sd_pads[FIMC_SD_PAD_SINK_CAM].flags = MEDIA_PAD_FL_SINK;
1873 fimc->vid_cap.sd_pads[FIMC_SD_PAD_SINK_FIFO].flags = MEDIA_PAD_FL_SINK;
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001874 fimc->vid_cap.sd_pads[FIMC_SD_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
Mauro Carvalho Chehabab22e772015-12-11 07:44:40 -02001875 ret = media_entity_pads_init(&sd->entity, FIMC_SD_PADS_NUM,
Mauro Carvalho Chehab18095102015-08-06 09:25:57 -03001876 fimc->vid_cap.sd_pads);
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001877 if (ret)
1878 return ret;
1879
1880 sd->entity.ops = &fimc_sd_media_ops;
Jonathan Bakkerb127f8db2020-07-31 01:01:07 +02001881 sd->entity.function = MEDIA_ENT_F_PROC_VIDEO_SCALER;
Sylwester Nawrocki693f5c42012-04-20 18:57:25 -03001882 sd->internal_ops = &fimc_capture_sd_internal_ops;
1883 v4l2_set_subdevdata(sd, fimc);
1884 return 0;
1885}
1886
1887void fimc_unregister_capture_subdev(struct fimc_dev *fimc)
1888{
1889 struct v4l2_subdev *sd = &fimc->vid_cap.subdev;
1890
1891 v4l2_device_unregister_subdev(sd);
1892 media_entity_cleanup(&sd->entity);
1893 v4l2_set_subdevdata(sd, NULL);
1894}