Commit | Line | Data |
---|---|---|
2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
91884734 KD |
2 | /* |
3 | * Samsung S5P G2D - 2D Graphics Accelerator Driver | |
4 | * | |
5 | * Copyright (c) 2011 Samsung Electronics Co., Ltd. | |
6 | * Kamil Debski, <k.debski@samsung.com> | |
91884734 KD |
7 | */ |
8 | ||
9 | #include <linux/module.h> | |
10 | #include <linux/fs.h> | |
91884734 KD |
11 | #include <linux/timer.h> |
12 | #include <linux/sched.h> | |
13 | #include <linux/slab.h> | |
14 | #include <linux/clk.h> | |
15 | #include <linux/interrupt.h> | |
5ce60d79 | 16 | #include <linux/of.h> |
91884734 KD |
17 | |
18 | #include <linux/platform_device.h> | |
19 | #include <media/v4l2-mem2mem.h> | |
20 | #include <media/v4l2-device.h> | |
21 | #include <media/v4l2-ioctl.h> | |
c139990e | 22 | #include <media/videobuf2-v4l2.h> |
91884734 KD |
23 | #include <media/videobuf2-dma-contig.h> |
24 | ||
25 | #include "g2d.h" | |
26 | #include "g2d-regs.h" | |
27 | ||
28 | #define fh2ctx(__fh) container_of(__fh, struct g2d_ctx, fh) | |
29 | ||
30 | static struct g2d_fmt formats[] = { | |
31 | { | |
32 | .name = "XRGB_8888", | |
33 | .fourcc = V4L2_PIX_FMT_RGB32, | |
34 | .depth = 32, | |
35 | .hw = COLOR_MODE(ORDER_XRGB, MODE_XRGB_8888), | |
36 | }, | |
37 | { | |
38 | .name = "RGB_565", | |
39 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
40 | .depth = 16, | |
41 | .hw = COLOR_MODE(ORDER_XRGB, MODE_RGB_565), | |
42 | }, | |
43 | { | |
44 | .name = "XRGB_1555", | |
45 | .fourcc = V4L2_PIX_FMT_RGB555X, | |
46 | .depth = 16, | |
47 | .hw = COLOR_MODE(ORDER_XRGB, MODE_XRGB_1555), | |
48 | }, | |
49 | { | |
50 | .name = "XRGB_4444", | |
51 | .fourcc = V4L2_PIX_FMT_RGB444, | |
52 | .depth = 16, | |
53 | .hw = COLOR_MODE(ORDER_XRGB, MODE_XRGB_4444), | |
54 | }, | |
55 | { | |
56 | .name = "PACKED_RGB_888", | |
57 | .fourcc = V4L2_PIX_FMT_RGB24, | |
58 | .depth = 24, | |
59 | .hw = COLOR_MODE(ORDER_XRGB, MODE_PACKED_RGB_888), | |
60 | }, | |
61 | }; | |
62 | #define NUM_FORMATS ARRAY_SIZE(formats) | |
63 | ||
ec76afe8 | 64 | static struct g2d_frame def_frame = { |
91884734 KD |
65 | .width = DEFAULT_WIDTH, |
66 | .height = DEFAULT_HEIGHT, | |
67 | .c_width = DEFAULT_WIDTH, | |
68 | .c_height = DEFAULT_HEIGHT, | |
69 | .o_width = 0, | |
70 | .o_height = 0, | |
71 | .fmt = &formats[0], | |
72 | .right = DEFAULT_WIDTH, | |
73 | .bottom = DEFAULT_HEIGHT, | |
74 | }; | |
75 | ||
ec76afe8 | 76 | static struct g2d_fmt *find_fmt(struct v4l2_format *f) |
91884734 KD |
77 | { |
78 | unsigned int i; | |
79 | for (i = 0; i < NUM_FORMATS; i++) { | |
80 | if (formats[i].fourcc == f->fmt.pix.pixelformat) | |
81 | return &formats[i]; | |
82 | } | |
83 | return NULL; | |
84 | } | |
85 | ||
86 | ||
87 | static struct g2d_frame *get_frame(struct g2d_ctx *ctx, | |
f72b9d8c | 88 | enum v4l2_buf_type type) |
91884734 KD |
89 | { |
90 | switch (type) { | |
91 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: | |
92 | return &ctx->in; | |
93 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
94 | return &ctx->out; | |
95 | default: | |
96 | return ERR_PTR(-EINVAL); | |
97 | } | |
98 | } | |
99 | ||
df9ecb0c | 100 | static int g2d_queue_setup(struct vb2_queue *vq, |
91884734 | 101 | unsigned int *nbuffers, unsigned int *nplanes, |
36c0f8b3 | 102 | unsigned int sizes[], struct device *alloc_devs[]) |
91884734 KD |
103 | { |
104 | struct g2d_ctx *ctx = vb2_get_drv_priv(vq); | |
105 | struct g2d_frame *f = get_frame(ctx, vq->type); | |
106 | ||
107 | if (IS_ERR(f)) | |
108 | return PTR_ERR(f); | |
109 | ||
110 | sizes[0] = f->size; | |
111 | *nplanes = 1; | |
91884734 KD |
112 | |
113 | if (*nbuffers == 0) | |
114 | *nbuffers = 1; | |
115 | ||
116 | return 0; | |
117 | } | |
118 | ||
119 | static int g2d_buf_prepare(struct vb2_buffer *vb) | |
120 | { | |
121 | struct g2d_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); | |
122 | struct g2d_frame *f = get_frame(ctx, vb->vb2_queue->type); | |
123 | ||
124 | if (IS_ERR(f)) | |
125 | return PTR_ERR(f); | |
126 | vb2_set_plane_payload(vb, 0, f->size); | |
127 | return 0; | |
128 | } | |
129 | ||
130 | static void g2d_buf_queue(struct vb2_buffer *vb) | |
131 | { | |
2d700715 | 132 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
91884734 | 133 | struct g2d_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
2d700715 | 134 | v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf); |
91884734 KD |
135 | } |
136 | ||
b7b361f0 | 137 | static const struct vb2_ops g2d_qops = { |
91884734 KD |
138 | .queue_setup = g2d_queue_setup, |
139 | .buf_prepare = g2d_buf_prepare, | |
140 | .buf_queue = g2d_buf_queue, | |
b53e19e1 EG |
141 | .wait_prepare = vb2_ops_wait_prepare, |
142 | .wait_finish = vb2_ops_wait_finish, | |
91884734 KD |
143 | }; |
144 | ||
145 | static int queue_init(void *priv, struct vb2_queue *src_vq, | |
146 | struct vb2_queue *dst_vq) | |
147 | { | |
148 | struct g2d_ctx *ctx = priv; | |
149 | int ret; | |
150 | ||
91884734 KD |
151 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; |
152 | src_vq->io_modes = VB2_MMAP | VB2_USERPTR; | |
153 | src_vq->drv_priv = ctx; | |
154 | src_vq->ops = &g2d_qops; | |
155 | src_vq->mem_ops = &vb2_dma_contig_memops; | |
156 | src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); | |
ade48681 | 157 | src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
febeaa45 | 158 | src_vq->lock = &ctx->dev->mutex; |
c781e4a5 | 159 | src_vq->dev = ctx->dev->v4l2_dev.dev; |
91884734 KD |
160 | |
161 | ret = vb2_queue_init(src_vq); | |
162 | if (ret) | |
163 | return ret; | |
164 | ||
91884734 KD |
165 | dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
166 | dst_vq->io_modes = VB2_MMAP | VB2_USERPTR; | |
167 | dst_vq->drv_priv = ctx; | |
168 | dst_vq->ops = &g2d_qops; | |
169 | dst_vq->mem_ops = &vb2_dma_contig_memops; | |
170 | dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); | |
ade48681 | 171 | dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
febeaa45 | 172 | dst_vq->lock = &ctx->dev->mutex; |
c781e4a5 | 173 | dst_vq->dev = ctx->dev->v4l2_dev.dev; |
91884734 KD |
174 | |
175 | return vb2_queue_init(dst_vq); | |
176 | } | |
177 | ||
178 | static int g2d_s_ctrl(struct v4l2_ctrl *ctrl) | |
179 | { | |
180 | struct g2d_ctx *ctx = container_of(ctrl->handler, struct g2d_ctx, | |
181 | ctrl_handler); | |
27dda973 KD |
182 | unsigned long flags; |
183 | ||
184 | spin_lock_irqsave(&ctx->dev->ctrl_lock, flags); | |
91884734 KD |
185 | switch (ctrl->id) { |
186 | case V4L2_CID_COLORFX: | |
187 | if (ctrl->val == V4L2_COLORFX_NEGATIVE) | |
188 | ctx->rop = ROP4_INVERT; | |
189 | else | |
190 | ctx->rop = ROP4_COPY; | |
7f6cce69 | 191 | break; |
d0d28326 SK |
192 | |
193 | case V4L2_CID_HFLIP: | |
194 | ctx->flip = ctx->ctrl_hflip->val | (ctx->ctrl_vflip->val << 1); | |
195 | break; | |
196 | ||
91884734 | 197 | } |
27dda973 | 198 | spin_unlock_irqrestore(&ctx->dev->ctrl_lock, flags); |
91884734 KD |
199 | return 0; |
200 | } | |
201 | ||
202 | static const struct v4l2_ctrl_ops g2d_ctrl_ops = { | |
203 | .s_ctrl = g2d_s_ctrl, | |
204 | }; | |
205 | ||
ec76afe8 | 206 | static int g2d_setup_ctrls(struct g2d_ctx *ctx) |
91884734 KD |
207 | { |
208 | struct g2d_dev *dev = ctx->dev; | |
209 | ||
d0d28326 SK |
210 | v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3); |
211 | ||
212 | ctx->ctrl_hflip = v4l2_ctrl_new_std(&ctx->ctrl_handler, &g2d_ctrl_ops, | |
213 | V4L2_CID_HFLIP, 0, 1, 1, 0); | |
214 | ||
215 | ctx->ctrl_vflip = v4l2_ctrl_new_std(&ctx->ctrl_handler, &g2d_ctrl_ops, | |
216 | V4L2_CID_VFLIP, 0, 1, 1, 0); | |
91884734 KD |
217 | |
218 | v4l2_ctrl_new_std_menu( | |
219 | &ctx->ctrl_handler, | |
220 | &g2d_ctrl_ops, | |
221 | V4L2_CID_COLORFX, | |
222 | V4L2_COLORFX_NEGATIVE, | |
223 | ~((1 << V4L2_COLORFX_NONE) | (1 << V4L2_COLORFX_NEGATIVE)), | |
224 | V4L2_COLORFX_NONE); | |
225 | ||
226 | if (ctx->ctrl_handler.error) { | |
d0d28326 SK |
227 | int err = ctx->ctrl_handler.error; |
228 | v4l2_err(&dev->v4l2_dev, "g2d_setup_ctrls failed\n"); | |
229 | v4l2_ctrl_handler_free(&ctx->ctrl_handler); | |
230 | return err; | |
91884734 KD |
231 | } |
232 | ||
d0d28326 SK |
233 | v4l2_ctrl_cluster(2, &ctx->ctrl_hflip); |
234 | ||
91884734 KD |
235 | return 0; |
236 | } | |
237 | ||
238 | static int g2d_open(struct file *file) | |
239 | { | |
240 | struct g2d_dev *dev = video_drvdata(file); | |
241 | struct g2d_ctx *ctx = NULL; | |
242 | int ret = 0; | |
243 | ||
244 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); | |
245 | if (!ctx) | |
246 | return -ENOMEM; | |
247 | ctx->dev = dev; | |
248 | /* Set default formats */ | |
249 | ctx->in = def_frame; | |
250 | ctx->out = def_frame; | |
251 | ||
de40cb22 HV |
252 | if (mutex_lock_interruptible(&dev->mutex)) { |
253 | kfree(ctx); | |
254 | return -ERESTARTSYS; | |
255 | } | |
febeaa45 SN |
256 | ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init); |
257 | if (IS_ERR(ctx->fh.m2m_ctx)) { | |
258 | ret = PTR_ERR(ctx->fh.m2m_ctx); | |
de40cb22 | 259 | mutex_unlock(&dev->mutex); |
91884734 KD |
260 | kfree(ctx); |
261 | return ret; | |
262 | } | |
263 | v4l2_fh_init(&ctx->fh, video_devdata(file)); | |
264 | file->private_data = &ctx->fh; | |
265 | v4l2_fh_add(&ctx->fh); | |
266 | ||
267 | g2d_setup_ctrls(ctx); | |
268 | ||
269 | /* Write the default values to the ctx struct */ | |
270 | v4l2_ctrl_handler_setup(&ctx->ctrl_handler); | |
271 | ||
272 | ctx->fh.ctrl_handler = &ctx->ctrl_handler; | |
de40cb22 | 273 | mutex_unlock(&dev->mutex); |
91884734 KD |
274 | |
275 | v4l2_info(&dev->v4l2_dev, "instance opened\n"); | |
276 | return 0; | |
277 | } | |
278 | ||
279 | static int g2d_release(struct file *file) | |
280 | { | |
281 | struct g2d_dev *dev = video_drvdata(file); | |
282 | struct g2d_ctx *ctx = fh2ctx(file->private_data); | |
283 | ||
284 | v4l2_ctrl_handler_free(&ctx->ctrl_handler); | |
285 | v4l2_fh_del(&ctx->fh); | |
286 | v4l2_fh_exit(&ctx->fh); | |
287 | kfree(ctx); | |
288 | v4l2_info(&dev->v4l2_dev, "instance closed\n"); | |
289 | return 0; | |
290 | } | |
291 | ||
292 | ||
293 | static int vidioc_querycap(struct file *file, void *priv, | |
294 | struct v4l2_capability *cap) | |
295 | { | |
85709cbf MCC |
296 | strscpy(cap->driver, G2D_NAME, sizeof(cap->driver)); |
297 | strscpy(cap->card, G2D_NAME, sizeof(cap->card)); | |
91884734 | 298 | cap->bus_info[0] = 0; |
8c17e5e3 HV |
299 | cap->device_caps = V4L2_CAP_VIDEO_M2M | V4L2_CAP_STREAMING; |
300 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
91884734 KD |
301 | return 0; |
302 | } | |
303 | ||
304 | static int vidioc_enum_fmt(struct file *file, void *prv, struct v4l2_fmtdesc *f) | |
305 | { | |
306 | struct g2d_fmt *fmt; | |
307 | if (f->index >= NUM_FORMATS) | |
308 | return -EINVAL; | |
309 | fmt = &formats[f->index]; | |
310 | f->pixelformat = fmt->fourcc; | |
85709cbf | 311 | strscpy(f->description, fmt->name, sizeof(f->description)); |
91884734 KD |
312 | return 0; |
313 | } | |
314 | ||
315 | static int vidioc_g_fmt(struct file *file, void *prv, struct v4l2_format *f) | |
316 | { | |
317 | struct g2d_ctx *ctx = prv; | |
318 | struct vb2_queue *vq; | |
319 | struct g2d_frame *frm; | |
320 | ||
febeaa45 | 321 | vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); |
91884734 KD |
322 | if (!vq) |
323 | return -EINVAL; | |
324 | frm = get_frame(ctx, f->type); | |
325 | if (IS_ERR(frm)) | |
326 | return PTR_ERR(frm); | |
327 | ||
328 | f->fmt.pix.width = frm->width; | |
329 | f->fmt.pix.height = frm->height; | |
330 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
331 | f->fmt.pix.pixelformat = frm->fmt->fourcc; | |
332 | f->fmt.pix.bytesperline = (frm->width * frm->fmt->depth) >> 3; | |
333 | f->fmt.pix.sizeimage = frm->size; | |
334 | return 0; | |
335 | } | |
336 | ||
337 | static int vidioc_try_fmt(struct file *file, void *prv, struct v4l2_format *f) | |
338 | { | |
339 | struct g2d_fmt *fmt; | |
340 | enum v4l2_field *field; | |
341 | ||
342 | fmt = find_fmt(f); | |
343 | if (!fmt) | |
344 | return -EINVAL; | |
345 | ||
346 | field = &f->fmt.pix.field; | |
347 | if (*field == V4L2_FIELD_ANY) | |
348 | *field = V4L2_FIELD_NONE; | |
349 | else if (*field != V4L2_FIELD_NONE) | |
350 | return -EINVAL; | |
351 | ||
352 | if (f->fmt.pix.width > MAX_WIDTH) | |
353 | f->fmt.pix.width = MAX_WIDTH; | |
354 | if (f->fmt.pix.height > MAX_HEIGHT) | |
355 | f->fmt.pix.height = MAX_HEIGHT; | |
356 | ||
357 | if (f->fmt.pix.width < 1) | |
358 | f->fmt.pix.width = 1; | |
359 | if (f->fmt.pix.height < 1) | |
360 | f->fmt.pix.height = 1; | |
361 | ||
362 | f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; | |
363 | f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; | |
364 | return 0; | |
365 | } | |
366 | ||
367 | static int vidioc_s_fmt(struct file *file, void *prv, struct v4l2_format *f) | |
368 | { | |
369 | struct g2d_ctx *ctx = prv; | |
370 | struct g2d_dev *dev = ctx->dev; | |
371 | struct vb2_queue *vq; | |
372 | struct g2d_frame *frm; | |
373 | struct g2d_fmt *fmt; | |
374 | int ret = 0; | |
375 | ||
376 | /* Adjust all values accordingly to the hardware capabilities | |
377 | * and chosen format. */ | |
378 | ret = vidioc_try_fmt(file, prv, f); | |
379 | if (ret) | |
380 | return ret; | |
febeaa45 | 381 | vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); |
91884734 KD |
382 | if (vb2_is_busy(vq)) { |
383 | v4l2_err(&dev->v4l2_dev, "queue (%d) bust\n", f->type); | |
384 | return -EBUSY; | |
385 | } | |
386 | frm = get_frame(ctx, f->type); | |
387 | if (IS_ERR(frm)) | |
388 | return PTR_ERR(frm); | |
389 | fmt = find_fmt(f); | |
390 | if (!fmt) | |
391 | return -EINVAL; | |
392 | frm->width = f->fmt.pix.width; | |
393 | frm->height = f->fmt.pix.height; | |
394 | frm->size = f->fmt.pix.sizeimage; | |
395 | /* Reset crop settings */ | |
396 | frm->o_width = 0; | |
397 | frm->o_height = 0; | |
398 | frm->c_width = frm->width; | |
399 | frm->c_height = frm->height; | |
400 | frm->right = frm->width; | |
401 | frm->bottom = frm->height; | |
402 | frm->fmt = fmt; | |
403 | frm->stride = f->fmt.pix.bytesperline; | |
404 | return 0; | |
405 | } | |
406 | ||
f72b9d8c HV |
407 | static int vidioc_g_selection(struct file *file, void *prv, |
408 | struct v4l2_selection *s) | |
91884734 KD |
409 | { |
410 | struct g2d_ctx *ctx = prv; | |
411 | struct g2d_frame *f; | |
412 | ||
f72b9d8c | 413 | f = get_frame(ctx, s->type); |
91884734 KD |
414 | if (IS_ERR(f)) |
415 | return PTR_ERR(f); | |
416 | ||
f72b9d8c HV |
417 | switch (s->target) { |
418 | case V4L2_SEL_TGT_CROP: | |
419 | case V4L2_SEL_TGT_CROP_DEFAULT: | |
420 | case V4L2_SEL_TGT_CROP_BOUNDS: | |
421 | if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
422 | return -EINVAL; | |
423 | break; | |
424 | case V4L2_SEL_TGT_COMPOSE: | |
425 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: | |
426 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: | |
427 | if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
428 | return -EINVAL; | |
429 | break; | |
430 | default: | |
431 | return -EINVAL; | |
432 | } | |
433 | ||
434 | switch (s->target) { | |
435 | case V4L2_SEL_TGT_CROP: | |
436 | case V4L2_SEL_TGT_COMPOSE: | |
437 | s->r.left = f->o_height; | |
438 | s->r.top = f->o_width; | |
439 | s->r.width = f->c_width; | |
440 | s->r.height = f->c_height; | |
441 | break; | |
442 | case V4L2_SEL_TGT_CROP_DEFAULT: | |
443 | case V4L2_SEL_TGT_CROP_BOUNDS: | |
444 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: | |
445 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: | |
446 | s->r.left = 0; | |
447 | s->r.top = 0; | |
448 | s->r.width = f->width; | |
449 | s->r.height = f->height; | |
450 | break; | |
451 | default: | |
452 | return -EINVAL; | |
453 | } | |
91884734 KD |
454 | return 0; |
455 | } | |
456 | ||
f72b9d8c HV |
457 | static int vidioc_try_selection(struct file *file, void *prv, |
458 | const struct v4l2_selection *s) | |
91884734 KD |
459 | { |
460 | struct g2d_ctx *ctx = prv; | |
461 | struct g2d_dev *dev = ctx->dev; | |
462 | struct g2d_frame *f; | |
463 | ||
f72b9d8c | 464 | f = get_frame(ctx, s->type); |
91884734 KD |
465 | if (IS_ERR(f)) |
466 | return PTR_ERR(f); | |
467 | ||
f72b9d8c HV |
468 | if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { |
469 | if (s->target != V4L2_SEL_TGT_COMPOSE) | |
470 | return -EINVAL; | |
471 | } else if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
472 | if (s->target != V4L2_SEL_TGT_CROP) | |
473 | return -EINVAL; | |
474 | } | |
475 | ||
476 | if (s->r.top < 0 || s->r.left < 0) { | |
91884734 KD |
477 | v4l2_err(&dev->v4l2_dev, |
478 | "doesn't support negative values for top & left\n"); | |
479 | return -EINVAL; | |
480 | } | |
481 | ||
482 | return 0; | |
483 | } | |
484 | ||
f72b9d8c HV |
485 | static int vidioc_s_selection(struct file *file, void *prv, |
486 | struct v4l2_selection *s) | |
91884734 KD |
487 | { |
488 | struct g2d_ctx *ctx = prv; | |
489 | struct g2d_frame *f; | |
490 | int ret; | |
491 | ||
f72b9d8c | 492 | ret = vidioc_try_selection(file, prv, s); |
91884734 KD |
493 | if (ret) |
494 | return ret; | |
f72b9d8c | 495 | f = get_frame(ctx, s->type); |
91884734 KD |
496 | if (IS_ERR(f)) |
497 | return PTR_ERR(f); | |
498 | ||
f72b9d8c HV |
499 | f->c_width = s->r.width; |
500 | f->c_height = s->r.height; | |
501 | f->o_width = s->r.left; | |
502 | f->o_height = s->r.top; | |
91884734 KD |
503 | f->bottom = f->o_height + f->c_height; |
504 | f->right = f->o_width + f->c_width; | |
505 | return 0; | |
506 | } | |
507 | ||
91884734 KD |
508 | static void device_run(void *prv) |
509 | { | |
510 | struct g2d_ctx *ctx = prv; | |
511 | struct g2d_dev *dev = ctx->dev; | |
30fa627b | 512 | struct vb2_v4l2_buffer *src, *dst; |
27dda973 | 513 | unsigned long flags; |
91884734 KD |
514 | u32 cmd = 0; |
515 | ||
516 | dev->curr = ctx; | |
517 | ||
febeaa45 SN |
518 | src = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); |
519 | dst = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); | |
91884734 KD |
520 | |
521 | clk_enable(dev->gate); | |
522 | g2d_reset(dev); | |
523 | ||
27dda973 KD |
524 | spin_lock_irqsave(&dev->ctrl_lock, flags); |
525 | ||
91884734 | 526 | g2d_set_src_size(dev, &ctx->in); |
30fa627b | 527 | g2d_set_src_addr(dev, vb2_dma_contig_plane_dma_addr(&src->vb2_buf, 0)); |
91884734 KD |
528 | |
529 | g2d_set_dst_size(dev, &ctx->out); | |
30fa627b | 530 | g2d_set_dst_addr(dev, vb2_dma_contig_plane_dma_addr(&dst->vb2_buf, 0)); |
91884734 KD |
531 | |
532 | g2d_set_rop4(dev, ctx->rop); | |
d0d28326 SK |
533 | g2d_set_flip(dev, ctx->flip); |
534 | ||
91884734 | 535 | if (ctx->in.c_width != ctx->out.c_width || |
62ce272d SK |
536 | ctx->in.c_height != ctx->out.c_height) { |
537 | if (dev->variant->hw_rev == TYPE_G2D_3X) | |
538 | cmd |= CMD_V3_ENABLE_STRETCH; | |
539 | else | |
540 | g2d_set_v41_stretch(dev, &ctx->in, &ctx->out); | |
541 | } | |
542 | ||
91884734 KD |
543 | g2d_set_cmd(dev, cmd); |
544 | g2d_start(dev); | |
27dda973 KD |
545 | |
546 | spin_unlock_irqrestore(&dev->ctrl_lock, flags); | |
91884734 KD |
547 | } |
548 | ||
549 | static irqreturn_t g2d_isr(int irq, void *prv) | |
550 | { | |
551 | struct g2d_dev *dev = prv; | |
552 | struct g2d_ctx *ctx = dev->curr; | |
2d700715 | 553 | struct vb2_v4l2_buffer *src, *dst; |
91884734 KD |
554 | |
555 | g2d_clear_int(dev); | |
556 | clk_disable(dev->gate); | |
557 | ||
2356877c | 558 | BUG_ON(ctx == NULL); |
91884734 | 559 | |
febeaa45 SN |
560 | src = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); |
561 | dst = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); | |
91884734 | 562 | |
2356877c SK |
563 | BUG_ON(src == NULL); |
564 | BUG_ON(dst == NULL); | |
91884734 | 565 | |
2d700715 | 566 | dst->timecode = src->timecode; |
d6dd645e | 567 | dst->vb2_buf.timestamp = src->vb2_buf.timestamp; |
2d700715 JS |
568 | dst->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK; |
569 | dst->flags |= | |
570 | src->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK; | |
dc7be295 | 571 | |
91884734 KD |
572 | v4l2_m2m_buf_done(src, VB2_BUF_STATE_DONE); |
573 | v4l2_m2m_buf_done(dst, VB2_BUF_STATE_DONE); | |
febeaa45 | 574 | v4l2_m2m_job_finish(dev->m2m_dev, ctx->fh.m2m_ctx); |
91884734 | 575 | |
2356877c | 576 | dev->curr = NULL; |
91884734 KD |
577 | return IRQ_HANDLED; |
578 | } | |
579 | ||
580 | static const struct v4l2_file_operations g2d_fops = { | |
581 | .owner = THIS_MODULE, | |
582 | .open = g2d_open, | |
583 | .release = g2d_release, | |
febeaa45 | 584 | .poll = v4l2_m2m_fop_poll, |
91884734 | 585 | .unlocked_ioctl = video_ioctl2, |
febeaa45 | 586 | .mmap = v4l2_m2m_fop_mmap, |
91884734 KD |
587 | }; |
588 | ||
589 | static const struct v4l2_ioctl_ops g2d_ioctl_ops = { | |
590 | .vidioc_querycap = vidioc_querycap, | |
591 | ||
592 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt, | |
593 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt, | |
594 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt, | |
595 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt, | |
596 | ||
597 | .vidioc_enum_fmt_vid_out = vidioc_enum_fmt, | |
598 | .vidioc_g_fmt_vid_out = vidioc_g_fmt, | |
599 | .vidioc_try_fmt_vid_out = vidioc_try_fmt, | |
600 | .vidioc_s_fmt_vid_out = vidioc_s_fmt, | |
601 | ||
febeaa45 SN |
602 | .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, |
603 | .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, | |
604 | .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, | |
605 | .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, | |
91884734 | 606 | |
febeaa45 SN |
607 | .vidioc_streamon = v4l2_m2m_ioctl_streamon, |
608 | .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, | |
91884734 | 609 | |
f72b9d8c HV |
610 | .vidioc_g_selection = vidioc_g_selection, |
611 | .vidioc_s_selection = vidioc_s_selection, | |
91884734 KD |
612 | }; |
613 | ||
5303135c | 614 | static const struct video_device g2d_videodev = { |
91884734 KD |
615 | .name = G2D_NAME, |
616 | .fops = &g2d_fops, | |
617 | .ioctl_ops = &g2d_ioctl_ops, | |
618 | .minor = -1, | |
619 | .release = video_device_release, | |
954f340f | 620 | .vfl_dir = VFL_DIR_M2M, |
91884734 KD |
621 | }; |
622 | ||
65d371af | 623 | static const struct v4l2_m2m_ops g2d_m2m_ops = { |
91884734 | 624 | .device_run = device_run, |
91884734 KD |
625 | }; |
626 | ||
5ce60d79 SK |
627 | static const struct of_device_id exynos_g2d_match[]; |
628 | ||
91884734 KD |
629 | static int g2d_probe(struct platform_device *pdev) |
630 | { | |
631 | struct g2d_dev *dev; | |
632 | struct video_device *vfd; | |
633 | struct resource *res; | |
5ce60d79 | 634 | const struct of_device_id *of_id; |
91884734 KD |
635 | int ret = 0; |
636 | ||
32fced05 | 637 | dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); |
91884734 KD |
638 | if (!dev) |
639 | return -ENOMEM; | |
32fced05 | 640 | |
27dda973 | 641 | spin_lock_init(&dev->ctrl_lock); |
91884734 KD |
642 | mutex_init(&dev->mutex); |
643 | atomic_set(&dev->num_inst, 0); | |
91884734 KD |
644 | |
645 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
91884734 | 646 | |
f23999ec TR |
647 | dev->regs = devm_ioremap_resource(&pdev->dev, res); |
648 | if (IS_ERR(dev->regs)) | |
649 | return PTR_ERR(dev->regs); | |
91884734 KD |
650 | |
651 | dev->clk = clk_get(&pdev->dev, "sclk_fimg2d"); | |
15514fb5 | 652 | if (IS_ERR(dev->clk)) { |
91884734 | 653 | dev_err(&pdev->dev, "failed to get g2d clock\n"); |
32fced05 | 654 | return -ENXIO; |
91884734 KD |
655 | } |
656 | ||
11a37c70 KD |
657 | ret = clk_prepare(dev->clk); |
658 | if (ret) { | |
659 | dev_err(&pdev->dev, "failed to prepare g2d clock\n"); | |
660 | goto put_clk; | |
661 | } | |
662 | ||
91884734 | 663 | dev->gate = clk_get(&pdev->dev, "fimg2d"); |
15514fb5 | 664 | if (IS_ERR(dev->gate)) { |
91884734 KD |
665 | dev_err(&pdev->dev, "failed to get g2d clock gate\n"); |
666 | ret = -ENXIO; | |
11a37c70 KD |
667 | goto unprep_clk; |
668 | } | |
669 | ||
670 | ret = clk_prepare(dev->gate); | |
671 | if (ret) { | |
672 | dev_err(&pdev->dev, "failed to prepare g2d clock gate\n"); | |
673 | goto put_clk_gate; | |
91884734 KD |
674 | } |
675 | ||
676 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); | |
677 | if (!res) { | |
678 | dev_err(&pdev->dev, "failed to find IRQ\n"); | |
679 | ret = -ENXIO; | |
11a37c70 | 680 | goto unprep_clk_gate; |
91884734 KD |
681 | } |
682 | ||
683 | dev->irq = res->start; | |
684 | ||
32fced05 SK |
685 | ret = devm_request_irq(&pdev->dev, dev->irq, g2d_isr, |
686 | 0, pdev->name, dev); | |
91884734 KD |
687 | if (ret) { |
688 | dev_err(&pdev->dev, "failed to install IRQ\n"); | |
2f65ec05 | 689 | goto unprep_clk_gate; |
91884734 KD |
690 | } |
691 | ||
712b617e | 692 | vb2_dma_contig_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32)); |
91884734 KD |
693 | |
694 | ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); | |
695 | if (ret) | |
c781e4a5 | 696 | goto unprep_clk_gate; |
91884734 KD |
697 | vfd = video_device_alloc(); |
698 | if (!vfd) { | |
699 | v4l2_err(&dev->v4l2_dev, "Failed to allocate video device\n"); | |
700 | ret = -ENOMEM; | |
701 | goto unreg_v4l2_dev; | |
702 | } | |
703 | *vfd = g2d_videodev; | |
f72b9d8c | 704 | set_bit(V4L2_FL_QUIRK_INVERTED_CROP, &vfd->flags); |
91884734 | 705 | vfd->lock = &dev->mutex; |
8a09a4cc | 706 | vfd->v4l2_dev = &dev->v4l2_dev; |
91884734 KD |
707 | ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0); |
708 | if (ret) { | |
709 | v4l2_err(&dev->v4l2_dev, "Failed to register video device\n"); | |
710 | goto rel_vdev; | |
711 | } | |
712 | video_set_drvdata(vfd, dev); | |
91884734 KD |
713 | dev->vfd = vfd; |
714 | v4l2_info(&dev->v4l2_dev, "device registered as /dev/video%d\n", | |
715 | vfd->num); | |
716 | platform_set_drvdata(pdev, dev); | |
717 | dev->m2m_dev = v4l2_m2m_init(&g2d_m2m_ops); | |
718 | if (IS_ERR(dev->m2m_dev)) { | |
719 | v4l2_err(&dev->v4l2_dev, "Failed to init mem2mem device\n"); | |
720 | ret = PTR_ERR(dev->m2m_dev); | |
721 | goto unreg_video_dev; | |
722 | } | |
723 | ||
724 | def_frame.stride = (def_frame.width * def_frame.fmt->depth) >> 3; | |
5ce60d79 | 725 | |
ef3617c4 MS |
726 | of_id = of_match_node(exynos_g2d_match, pdev->dev.of_node); |
727 | if (!of_id) { | |
728 | ret = -ENODEV; | |
729 | goto unreg_video_dev; | |
5ce60d79 | 730 | } |
ef3617c4 | 731 | dev->variant = (struct g2d_variant *)of_id->data; |
91884734 KD |
732 | |
733 | return 0; | |
734 | ||
735 | unreg_video_dev: | |
736 | video_unregister_device(dev->vfd); | |
737 | rel_vdev: | |
738 | video_device_release(vfd); | |
739 | unreg_v4l2_dev: | |
740 | v4l2_device_unregister(&dev->v4l2_dev); | |
11a37c70 KD |
741 | unprep_clk_gate: |
742 | clk_unprepare(dev->gate); | |
91884734 KD |
743 | put_clk_gate: |
744 | clk_put(dev->gate); | |
11a37c70 KD |
745 | unprep_clk: |
746 | clk_unprepare(dev->clk); | |
91884734 KD |
747 | put_clk: |
748 | clk_put(dev->clk); | |
32fced05 | 749 | |
91884734 KD |
750 | return ret; |
751 | } | |
752 | ||
753 | static int g2d_remove(struct platform_device *pdev) | |
754 | { | |
4e3eff61 | 755 | struct g2d_dev *dev = platform_get_drvdata(pdev); |
91884734 KD |
756 | |
757 | v4l2_info(&dev->v4l2_dev, "Removing " G2D_NAME); | |
758 | v4l2_m2m_release(dev->m2m_dev); | |
759 | video_unregister_device(dev->vfd); | |
760 | v4l2_device_unregister(&dev->v4l2_dev); | |
712b617e | 761 | vb2_dma_contig_clear_max_seg_size(&pdev->dev); |
11a37c70 | 762 | clk_unprepare(dev->gate); |
91884734 | 763 | clk_put(dev->gate); |
11a37c70 | 764 | clk_unprepare(dev->clk); |
91884734 | 765 | clk_put(dev->clk); |
91884734 KD |
766 | return 0; |
767 | } | |
768 | ||
62ce272d | 769 | static struct g2d_variant g2d_drvdata_v3x = { |
5ce60d79 | 770 | .hw_rev = TYPE_G2D_3X, /* Revision 3.0 for S5PV210 and Exynos4210 */ |
62ce272d SK |
771 | }; |
772 | ||
773 | static struct g2d_variant g2d_drvdata_v4x = { | |
774 | .hw_rev = TYPE_G2D_4X, /* Revision 4.1 for Exynos4X12 and Exynos5 */ | |
775 | }; | |
776 | ||
5ce60d79 SK |
777 | static const struct of_device_id exynos_g2d_match[] = { |
778 | { | |
779 | .compatible = "samsung,s5pv210-g2d", | |
780 | .data = &g2d_drvdata_v3x, | |
781 | }, { | |
782 | .compatible = "samsung,exynos4212-g2d", | |
783 | .data = &g2d_drvdata_v4x, | |
784 | }, | |
785 | {}, | |
786 | }; | |
787 | MODULE_DEVICE_TABLE(of, exynos_g2d_match); | |
788 | ||
91884734 KD |
789 | static struct platform_driver g2d_pdrv = { |
790 | .probe = g2d_probe, | |
791 | .remove = g2d_remove, | |
792 | .driver = { | |
793 | .name = G2D_NAME, | |
5ce60d79 | 794 | .of_match_table = exynos_g2d_match, |
91884734 KD |
795 | }, |
796 | }; | |
797 | ||
1d6629b1 | 798 | module_platform_driver(g2d_pdrv); |
91884734 KD |
799 | |
800 | MODULE_AUTHOR("Kamil Debski <k.debski@samsung.com>"); | |
801 | MODULE_DESCRIPTION("S5P G2D 2d graphics accelerator driver"); | |
802 | MODULE_LICENSE("GPL"); |