Commit | Line | Data |
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5fd8f738 SN |
1 | /* |
2 | * S5P camera interface (video postprocessor) driver | |
3 | * | |
5f3cc447 | 4 | * Copyright (c) 2010 Samsung Electronics Co., Ltd |
5fd8f738 SN |
5 | * |
6 | * Sylwester Nawrocki, <s.nawrocki@samsung.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published | |
10 | * by the Free Software Foundation, either version 2 of the License, | |
11 | * or (at your option) any later version. | |
12 | */ | |
13 | ||
14 | #include <linux/module.h> | |
15 | #include <linux/kernel.h> | |
16 | #include <linux/version.h> | |
17 | #include <linux/types.h> | |
18 | #include <linux/errno.h> | |
19 | #include <linux/bug.h> | |
20 | #include <linux/interrupt.h> | |
21 | #include <linux/device.h> | |
22 | #include <linux/platform_device.h> | |
23 | #include <linux/list.h> | |
24 | #include <linux/io.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/clk.h> | |
27 | #include <media/v4l2-ioctl.h> | |
2dab38e2 SN |
28 | #include <media/videobuf2-core.h> |
29 | #include <media/videobuf2-dma-contig.h> | |
5fd8f738 SN |
30 | |
31 | #include "fimc-core.h" | |
32 | ||
a25be18d SN |
33 | static char *fimc_clocks[MAX_FIMC_CLOCKS] = { |
34 | "sclk_fimc", "fimc", "sclk_cam" | |
35 | }; | |
5fd8f738 SN |
36 | |
37 | static struct fimc_fmt fimc_formats[] = { | |
38 | { | |
ef7af59b SN |
39 | .name = "RGB565", |
40 | .fourcc = V4L2_PIX_FMT_RGB565X, | |
41 | .depth = { 16 }, | |
42 | .color = S5P_FIMC_RGB565, | |
43 | .memplanes = 1, | |
44 | .colplanes = 1, | |
45 | .mbus_code = V4L2_MBUS_FMT_RGB565_2X8_BE, | |
46 | .flags = FMT_FLAGS_M2M, | |
5fd8f738 | 47 | }, { |
ef7af59b SN |
48 | .name = "BGR666", |
49 | .fourcc = V4L2_PIX_FMT_BGR666, | |
50 | .depth = { 32 }, | |
51 | .color = S5P_FIMC_RGB666, | |
52 | .memplanes = 1, | |
53 | .colplanes = 1, | |
54 | .flags = FMT_FLAGS_M2M, | |
5fd8f738 | 55 | }, { |
ef7af59b SN |
56 | .name = "XRGB-8-8-8-8, 32 bpp", |
57 | .fourcc = V4L2_PIX_FMT_RGB32, | |
58 | .depth = { 32 }, | |
59 | .color = S5P_FIMC_RGB888, | |
60 | .memplanes = 1, | |
61 | .colplanes = 1, | |
62 | .flags = FMT_FLAGS_M2M, | |
5fd8f738 | 63 | }, { |
ef7af59b SN |
64 | .name = "YUV 4:2:2 packed, YCbYCr", |
65 | .fourcc = V4L2_PIX_FMT_YUYV, | |
66 | .depth = { 16 }, | |
67 | .color = S5P_FIMC_YCBYCR422, | |
68 | .memplanes = 1, | |
69 | .colplanes = 1, | |
70 | .mbus_code = V4L2_MBUS_FMT_YUYV8_2X8, | |
71 | .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM, | |
5f3cc447 | 72 | }, { |
ef7af59b SN |
73 | .name = "YUV 4:2:2 packed, CbYCrY", |
74 | .fourcc = V4L2_PIX_FMT_UYVY, | |
75 | .depth = { 16 }, | |
76 | .color = S5P_FIMC_CBYCRY422, | |
77 | .memplanes = 1, | |
78 | .colplanes = 1, | |
79 | .mbus_code = V4L2_MBUS_FMT_UYVY8_2X8, | |
80 | .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM, | |
5fd8f738 | 81 | }, { |
ef7af59b SN |
82 | .name = "YUV 4:2:2 packed, CrYCbY", |
83 | .fourcc = V4L2_PIX_FMT_VYUY, | |
84 | .depth = { 16 }, | |
85 | .color = S5P_FIMC_CRYCBY422, | |
86 | .memplanes = 1, | |
87 | .colplanes = 1, | |
88 | .mbus_code = V4L2_MBUS_FMT_VYUY8_2X8, | |
89 | .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM, | |
5fd8f738 | 90 | }, { |
ef7af59b SN |
91 | .name = "YUV 4:2:2 packed, YCrYCb", |
92 | .fourcc = V4L2_PIX_FMT_YVYU, | |
93 | .depth = { 16 }, | |
94 | .color = S5P_FIMC_YCRYCB422, | |
95 | .memplanes = 1, | |
96 | .colplanes = 1, | |
97 | .mbus_code = V4L2_MBUS_FMT_YVYU8_2X8, | |
98 | .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM, | |
5fd8f738 | 99 | }, { |
ef7af59b SN |
100 | .name = "YUV 4:2:2 planar, Y/Cb/Cr", |
101 | .fourcc = V4L2_PIX_FMT_YUV422P, | |
102 | .depth = { 12 }, | |
103 | .color = S5P_FIMC_YCBYCR422, | |
104 | .memplanes = 1, | |
105 | .colplanes = 3, | |
106 | .flags = FMT_FLAGS_M2M, | |
5fd8f738 | 107 | }, { |
ef7af59b SN |
108 | .name = "YUV 4:2:2 planar, Y/CbCr", |
109 | .fourcc = V4L2_PIX_FMT_NV16, | |
110 | .depth = { 16 }, | |
111 | .color = S5P_FIMC_YCBYCR422, | |
112 | .memplanes = 1, | |
113 | .colplanes = 2, | |
114 | .flags = FMT_FLAGS_M2M, | |
5fd8f738 | 115 | }, { |
ef7af59b SN |
116 | .name = "YUV 4:2:2 planar, Y/CrCb", |
117 | .fourcc = V4L2_PIX_FMT_NV61, | |
118 | .depth = { 16 }, | |
119 | .color = S5P_FIMC_YCRYCB422, | |
120 | .memplanes = 1, | |
121 | .colplanes = 2, | |
122 | .flags = FMT_FLAGS_M2M, | |
5fd8f738 | 123 | }, { |
ef7af59b SN |
124 | .name = "YUV 4:2:0 planar, YCbCr", |
125 | .fourcc = V4L2_PIX_FMT_YUV420, | |
126 | .depth = { 12 }, | |
127 | .color = S5P_FIMC_YCBCR420, | |
128 | .memplanes = 1, | |
129 | .colplanes = 3, | |
130 | .flags = FMT_FLAGS_M2M, | |
5fd8f738 | 131 | }, { |
ef7af59b SN |
132 | .name = "YUV 4:2:0 planar, Y/CbCr", |
133 | .fourcc = V4L2_PIX_FMT_NV12, | |
134 | .depth = { 12 }, | |
135 | .color = S5P_FIMC_YCBCR420, | |
136 | .memplanes = 1, | |
137 | .colplanes = 2, | |
138 | .flags = FMT_FLAGS_M2M, | |
139 | }, { | |
140 | .name = "YUV 4:2:0 non-contiguous 2-planar, Y/CbCr", | |
141 | .fourcc = V4L2_PIX_FMT_NV12M, | |
142 | .color = S5P_FIMC_YCBCR420, | |
143 | .depth = { 8, 4 }, | |
144 | .memplanes = 2, | |
145 | .colplanes = 2, | |
146 | .flags = FMT_FLAGS_M2M, | |
147 | }, { | |
148 | .name = "YUV 4:2:0 non-contiguous 3-planar, Y/Cb/Cr", | |
149 | .fourcc = V4L2_PIX_FMT_YUV420M, | |
150 | .color = S5P_FIMC_YCBCR420, | |
151 | .depth = { 8, 2, 2 }, | |
152 | .memplanes = 3, | |
153 | .colplanes = 3, | |
154 | .flags = FMT_FLAGS_M2M, | |
155 | }, { | |
156 | .name = "YUV 4:2:0 non-contiguous 2-planar, Y/CbCr, tiled", | |
157 | .fourcc = V4L2_PIX_FMT_NV12MT, | |
158 | .color = S5P_FIMC_YCBCR420, | |
159 | .depth = { 8, 4 }, | |
160 | .memplanes = 2, | |
161 | .colplanes = 2, | |
162 | .flags = FMT_FLAGS_M2M, | |
5f3cc447 | 163 | }, |
548aafcd | 164 | }; |
5fd8f738 SN |
165 | |
166 | static struct v4l2_queryctrl fimc_ctrls[] = { | |
167 | { | |
168 | .id = V4L2_CID_HFLIP, | |
169 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
170 | .name = "Horizontal flip", | |
171 | .minimum = 0, | |
172 | .maximum = 1, | |
173 | .default_value = 0, | |
548aafcd | 174 | }, { |
5fd8f738 SN |
175 | .id = V4L2_CID_VFLIP, |
176 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
177 | .name = "Vertical flip", | |
178 | .minimum = 0, | |
179 | .maximum = 1, | |
180 | .default_value = 0, | |
548aafcd | 181 | }, { |
5fd8f738 SN |
182 | .id = V4L2_CID_ROTATE, |
183 | .type = V4L2_CTRL_TYPE_INTEGER, | |
184 | .name = "Rotation (CCW)", | |
185 | .minimum = 0, | |
186 | .maximum = 270, | |
187 | .step = 90, | |
188 | .default_value = 0, | |
189 | }, | |
190 | }; | |
191 | ||
192 | ||
193 | static struct v4l2_queryctrl *get_ctrl(int id) | |
194 | { | |
195 | int i; | |
196 | ||
197 | for (i = 0; i < ARRAY_SIZE(fimc_ctrls); ++i) | |
198 | if (id == fimc_ctrls[i].id) | |
199 | return &fimc_ctrls[i]; | |
200 | return NULL; | |
201 | } | |
202 | ||
5f3cc447 | 203 | int fimc_check_scaler_ratio(struct v4l2_rect *r, struct fimc_frame *f) |
5fd8f738 SN |
204 | { |
205 | if (r->width > f->width) { | |
206 | if (f->width > (r->width * SCALER_MAX_HRATIO)) | |
207 | return -EINVAL; | |
208 | } else { | |
209 | if ((f->width * SCALER_MAX_HRATIO) < r->width) | |
210 | return -EINVAL; | |
211 | } | |
212 | ||
213 | if (r->height > f->height) { | |
214 | if (f->height > (r->height * SCALER_MAX_VRATIO)) | |
215 | return -EINVAL; | |
216 | } else { | |
217 | if ((f->height * SCALER_MAX_VRATIO) < r->height) | |
218 | return -EINVAL; | |
219 | } | |
220 | ||
221 | return 0; | |
222 | } | |
223 | ||
224 | static int fimc_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift) | |
225 | { | |
548aafcd SN |
226 | u32 sh = 6; |
227 | ||
228 | if (src >= 64 * tar) | |
5fd8f738 | 229 | return -EINVAL; |
548aafcd SN |
230 | |
231 | while (sh--) { | |
232 | u32 tmp = 1 << sh; | |
233 | if (src >= tar * tmp) { | |
234 | *shift = sh, *ratio = tmp; | |
235 | return 0; | |
236 | } | |
5fd8f738 SN |
237 | } |
238 | ||
548aafcd SN |
239 | *shift = 0, *ratio = 1; |
240 | ||
241 | dbg("s: %d, t: %d, shift: %d, ratio: %d", | |
242 | src, tar, *shift, *ratio); | |
5fd8f738 SN |
243 | return 0; |
244 | } | |
245 | ||
5f3cc447 | 246 | int fimc_set_scaler_info(struct fimc_ctx *ctx) |
5fd8f738 SN |
247 | { |
248 | struct fimc_scaler *sc = &ctx->scaler; | |
249 | struct fimc_frame *s_frame = &ctx->s_frame; | |
250 | struct fimc_frame *d_frame = &ctx->d_frame; | |
b241c6d6 | 251 | struct samsung_fimc_variant *variant = ctx->fimc_dev->variant; |
5fd8f738 SN |
252 | int tx, ty, sx, sy; |
253 | int ret; | |
254 | ||
47654df8 SN |
255 | if (ctx->rotation == 90 || ctx->rotation == 270) { |
256 | ty = d_frame->width; | |
257 | tx = d_frame->height; | |
258 | } else { | |
259 | tx = d_frame->width; | |
260 | ty = d_frame->height; | |
261 | } | |
5fd8f738 SN |
262 | if (tx <= 0 || ty <= 0) { |
263 | v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev, | |
264 | "invalid target size: %d x %d", tx, ty); | |
265 | return -EINVAL; | |
266 | } | |
267 | ||
268 | sx = s_frame->width; | |
269 | sy = s_frame->height; | |
270 | if (sx <= 0 || sy <= 0) { | |
271 | err("invalid source size: %d x %d", sx, sy); | |
272 | return -EINVAL; | |
273 | } | |
274 | ||
275 | sc->real_width = sx; | |
276 | sc->real_height = sy; | |
277 | dbg("sx= %d, sy= %d, tx= %d, ty= %d", sx, sy, tx, ty); | |
278 | ||
279 | ret = fimc_get_scaler_factor(sx, tx, &sc->pre_hratio, &sc->hfactor); | |
280 | if (ret) | |
281 | return ret; | |
282 | ||
283 | ret = fimc_get_scaler_factor(sy, ty, &sc->pre_vratio, &sc->vfactor); | |
284 | if (ret) | |
285 | return ret; | |
286 | ||
287 | sc->pre_dst_width = sx / sc->pre_hratio; | |
288 | sc->pre_dst_height = sy / sc->pre_vratio; | |
289 | ||
b241c6d6 HK |
290 | if (variant->has_mainscaler_ext) { |
291 | sc->main_hratio = (sx << 14) / (tx << sc->hfactor); | |
292 | sc->main_vratio = (sy << 14) / (ty << sc->vfactor); | |
293 | } else { | |
294 | sc->main_hratio = (sx << 8) / (tx << sc->hfactor); | |
295 | sc->main_vratio = (sy << 8) / (ty << sc->vfactor); | |
296 | ||
297 | } | |
5fd8f738 SN |
298 | |
299 | sc->scaleup_h = (tx >= sx) ? 1 : 0; | |
300 | sc->scaleup_v = (ty >= sy) ? 1 : 0; | |
301 | ||
302 | /* check to see if input and output size/format differ */ | |
303 | if (s_frame->fmt->color == d_frame->fmt->color | |
304 | && s_frame->width == d_frame->width | |
305 | && s_frame->height == d_frame->height) | |
306 | sc->copy_mode = 1; | |
307 | else | |
308 | sc->copy_mode = 0; | |
309 | ||
310 | return 0; | |
311 | } | |
312 | ||
5f3cc447 SN |
313 | static void fimc_capture_handler(struct fimc_dev *fimc) |
314 | { | |
315 | struct fimc_vid_cap *cap = &fimc->vid_cap; | |
316 | struct fimc_vid_buffer *v_buf = NULL; | |
317 | ||
318 | if (!list_empty(&cap->active_buf_q)) { | |
319 | v_buf = active_queue_pop(cap); | |
2dab38e2 | 320 | vb2_buffer_done(&v_buf->vb, VB2_BUF_STATE_DONE); |
5f3cc447 SN |
321 | } |
322 | ||
323 | if (test_and_clear_bit(ST_CAPT_SHUT, &fimc->state)) { | |
324 | wake_up(&fimc->irq_queue); | |
325 | return; | |
326 | } | |
327 | ||
328 | if (!list_empty(&cap->pending_buf_q)) { | |
329 | ||
330 | v_buf = pending_queue_pop(cap); | |
331 | fimc_hw_set_output_addr(fimc, &v_buf->paddr, cap->buf_index); | |
332 | v_buf->index = cap->buf_index; | |
333 | ||
334 | dbg("hw ptr: %d, sw ptr: %d", | |
335 | fimc_hw_get_frame_index(fimc), cap->buf_index); | |
336 | ||
5f3cc447 SN |
337 | /* Move the buffer to the capture active queue */ |
338 | active_queue_add(cap, v_buf); | |
339 | ||
340 | dbg("next frame: %d, done frame: %d", | |
341 | fimc_hw_get_frame_index(fimc), v_buf->index); | |
342 | ||
343 | if (++cap->buf_index >= FIMC_MAX_OUT_BUFS) | |
344 | cap->buf_index = 0; | |
345 | ||
346 | } else if (test_and_clear_bit(ST_CAPT_STREAM, &fimc->state) && | |
347 | cap->active_buf_cnt <= 1) { | |
348 | fimc_deactivate_capture(fimc); | |
349 | } | |
350 | ||
351 | dbg("frame: %d, active_buf_cnt= %d", | |
352 | fimc_hw_get_frame_index(fimc), cap->active_buf_cnt); | |
353 | } | |
5fd8f738 SN |
354 | |
355 | static irqreturn_t fimc_isr(int irq, void *priv) | |
356 | { | |
548aafcd | 357 | struct fimc_dev *fimc = priv; |
5fd8f738 SN |
358 | |
359 | BUG_ON(!fimc); | |
360 | fimc_hw_clear_irq(fimc); | |
361 | ||
362 | spin_lock(&fimc->slock); | |
363 | ||
364 | if (test_and_clear_bit(ST_M2M_PEND, &fimc->state)) { | |
2dab38e2 SN |
365 | struct vb2_buffer *src_vb, *dst_vb; |
366 | struct fimc_ctx *ctx = v4l2_m2m_get_curr_priv(fimc->m2m.m2m_dev); | |
367 | ||
5fd8f738 SN |
368 | if (!ctx || !ctx->m2m_ctx) |
369 | goto isr_unlock; | |
2dab38e2 SN |
370 | |
371 | src_vb = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); | |
372 | dst_vb = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx); | |
373 | if (src_vb && dst_vb) { | |
374 | v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE); | |
375 | v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE); | |
5fd8f738 SN |
376 | v4l2_m2m_job_finish(fimc->m2m.m2m_dev, ctx->m2m_ctx); |
377 | } | |
5f3cc447 SN |
378 | goto isr_unlock; |
379 | ||
380 | } | |
381 | ||
382 | if (test_bit(ST_CAPT_RUN, &fimc->state)) | |
383 | fimc_capture_handler(fimc); | |
384 | ||
385 | if (test_and_clear_bit(ST_CAPT_PEND, &fimc->state)) { | |
386 | set_bit(ST_CAPT_RUN, &fimc->state); | |
387 | wake_up(&fimc->irq_queue); | |
5fd8f738 SN |
388 | } |
389 | ||
390 | isr_unlock: | |
391 | spin_unlock(&fimc->slock); | |
392 | return IRQ_HANDLED; | |
393 | } | |
394 | ||
ef7af59b | 395 | /* The color format (colplanes, memplanes) must be already configured. */ |
2dab38e2 | 396 | int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb, |
548aafcd | 397 | struct fimc_frame *frame, struct fimc_addr *paddr) |
5fd8f738 | 398 | { |
5fd8f738 | 399 | int ret = 0; |
548aafcd | 400 | u32 pix_size; |
5fd8f738 | 401 | |
2dab38e2 | 402 | if (vb == NULL || frame == NULL) |
5fd8f738 SN |
403 | return -EINVAL; |
404 | ||
405 | pix_size = frame->width * frame->height; | |
406 | ||
ef7af59b SN |
407 | dbg("memplanes= %d, colplanes= %d, pix_size= %d", |
408 | frame->fmt->memplanes, frame->fmt->colplanes, pix_size); | |
409 | ||
410 | paddr->y = vb2_dma_contig_plane_paddr(vb, 0); | |
5fd8f738 | 411 | |
ef7af59b SN |
412 | if (frame->fmt->memplanes == 1) { |
413 | switch (frame->fmt->colplanes) { | |
5fd8f738 SN |
414 | case 1: |
415 | paddr->cb = 0; | |
416 | paddr->cr = 0; | |
417 | break; | |
418 | case 2: | |
419 | /* decompose Y into Y/Cb */ | |
420 | paddr->cb = (u32)(paddr->y + pix_size); | |
421 | paddr->cr = 0; | |
422 | break; | |
423 | case 3: | |
424 | paddr->cb = (u32)(paddr->y + pix_size); | |
425 | /* decompose Y into Y/Cb/Cr */ | |
426 | if (S5P_FIMC_YCBCR420 == frame->fmt->color) | |
427 | paddr->cr = (u32)(paddr->cb | |
428 | + (pix_size >> 2)); | |
429 | else /* 422 */ | |
430 | paddr->cr = (u32)(paddr->cb | |
431 | + (pix_size >> 1)); | |
432 | break; | |
433 | default: | |
434 | return -EINVAL; | |
435 | } | |
ef7af59b SN |
436 | } else { |
437 | if (frame->fmt->memplanes >= 2) | |
438 | paddr->cb = vb2_dma_contig_plane_paddr(vb, 1); | |
439 | ||
440 | if (frame->fmt->memplanes == 3) | |
441 | paddr->cr = vb2_dma_contig_plane_paddr(vb, 2); | |
5fd8f738 SN |
442 | } |
443 | ||
548aafcd SN |
444 | dbg("PHYS_ADDR: y= 0x%X cb= 0x%X cr= 0x%X ret= %d", |
445 | paddr->y, paddr->cb, paddr->cr, ret); | |
5fd8f738 SN |
446 | |
447 | return ret; | |
448 | } | |
449 | ||
450 | /* Set order for 1 and 2 plane YCBCR 4:2:2 formats. */ | |
451 | static void fimc_set_yuv_order(struct fimc_ctx *ctx) | |
452 | { | |
453 | /* The one only mode supported in SoC. */ | |
454 | ctx->in_order_2p = S5P_FIMC_LSB_CRCB; | |
455 | ctx->out_order_2p = S5P_FIMC_LSB_CRCB; | |
456 | ||
457 | /* Set order for 1 plane input formats. */ | |
458 | switch (ctx->s_frame.fmt->color) { | |
459 | case S5P_FIMC_YCRYCB422: | |
10038bea | 460 | ctx->in_order_1p = S5P_MSCTRL_ORDER422_CBYCRY; |
5fd8f738 SN |
461 | break; |
462 | case S5P_FIMC_CBYCRY422: | |
10038bea | 463 | ctx->in_order_1p = S5P_MSCTRL_ORDER422_YCRYCB; |
5fd8f738 SN |
464 | break; |
465 | case S5P_FIMC_CRYCBY422: | |
10038bea | 466 | ctx->in_order_1p = S5P_MSCTRL_ORDER422_YCBYCR; |
5fd8f738 SN |
467 | break; |
468 | case S5P_FIMC_YCBYCR422: | |
469 | default: | |
10038bea | 470 | ctx->in_order_1p = S5P_MSCTRL_ORDER422_CRYCBY; |
5fd8f738 SN |
471 | break; |
472 | } | |
473 | dbg("ctx->in_order_1p= %d", ctx->in_order_1p); | |
474 | ||
475 | switch (ctx->d_frame.fmt->color) { | |
476 | case S5P_FIMC_YCRYCB422: | |
10038bea | 477 | ctx->out_order_1p = S5P_CIOCTRL_ORDER422_CBYCRY; |
5fd8f738 SN |
478 | break; |
479 | case S5P_FIMC_CBYCRY422: | |
10038bea | 480 | ctx->out_order_1p = S5P_CIOCTRL_ORDER422_YCRYCB; |
5fd8f738 SN |
481 | break; |
482 | case S5P_FIMC_CRYCBY422: | |
10038bea | 483 | ctx->out_order_1p = S5P_CIOCTRL_ORDER422_YCBYCR; |
5fd8f738 SN |
484 | break; |
485 | case S5P_FIMC_YCBYCR422: | |
486 | default: | |
10038bea | 487 | ctx->out_order_1p = S5P_CIOCTRL_ORDER422_CRYCBY; |
5fd8f738 SN |
488 | break; |
489 | } | |
490 | dbg("ctx->out_order_1p= %d", ctx->out_order_1p); | |
491 | } | |
492 | ||
ddc79e0f SN |
493 | static void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f) |
494 | { | |
495 | struct samsung_fimc_variant *variant = ctx->fimc_dev->variant; | |
ef7af59b SN |
496 | u32 i, depth = 0; |
497 | ||
498 | for (i = 0; i < f->fmt->colplanes; i++) | |
499 | depth += f->fmt->depth[i]; | |
ddc79e0f SN |
500 | |
501 | f->dma_offset.y_h = f->offs_h; | |
502 | if (!variant->pix_hoff) | |
ef7af59b | 503 | f->dma_offset.y_h *= (depth >> 3); |
ddc79e0f SN |
504 | |
505 | f->dma_offset.y_v = f->offs_v; | |
506 | ||
507 | f->dma_offset.cb_h = f->offs_h; | |
508 | f->dma_offset.cb_v = f->offs_v; | |
509 | ||
510 | f->dma_offset.cr_h = f->offs_h; | |
511 | f->dma_offset.cr_v = f->offs_v; | |
512 | ||
513 | if (!variant->pix_hoff) { | |
ef7af59b | 514 | if (f->fmt->colplanes == 3) { |
ddc79e0f SN |
515 | f->dma_offset.cb_h >>= 1; |
516 | f->dma_offset.cr_h >>= 1; | |
517 | } | |
518 | if (f->fmt->color == S5P_FIMC_YCBCR420) { | |
519 | f->dma_offset.cb_v >>= 1; | |
520 | f->dma_offset.cr_v >>= 1; | |
521 | } | |
522 | } | |
523 | ||
524 | dbg("in_offset: color= %d, y_h= %d, y_v= %d", | |
525 | f->fmt->color, f->dma_offset.y_h, f->dma_offset.y_v); | |
526 | } | |
527 | ||
5fd8f738 SN |
528 | /** |
529 | * fimc_prepare_config - check dimensions, operation and color mode | |
530 | * and pre-calculate offset and the scaling coefficients. | |
531 | * | |
532 | * @ctx: hardware context information | |
533 | * @flags: flags indicating which parameters to check/update | |
534 | * | |
535 | * Return: 0 if dimensions are valid or non zero otherwise. | |
536 | */ | |
5f3cc447 | 537 | int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags) |
5fd8f738 SN |
538 | { |
539 | struct fimc_frame *s_frame, *d_frame; | |
2dab38e2 | 540 | struct vb2_buffer *vb = NULL; |
5fd8f738 SN |
541 | int ret = 0; |
542 | ||
543 | s_frame = &ctx->s_frame; | |
544 | d_frame = &ctx->d_frame; | |
545 | ||
546 | if (flags & FIMC_PARAMS) { | |
ddc79e0f SN |
547 | /* Prepare the DMA offset ratios for scaler. */ |
548 | fimc_prepare_dma_offset(ctx, &ctx->s_frame); | |
549 | fimc_prepare_dma_offset(ctx, &ctx->d_frame); | |
5fd8f738 | 550 | |
5fd8f738 SN |
551 | if (s_frame->height > (SCALER_MAX_VRATIO * d_frame->height) || |
552 | s_frame->width > (SCALER_MAX_HRATIO * d_frame->width)) { | |
553 | err("out of scaler range"); | |
554 | return -EINVAL; | |
555 | } | |
ddc79e0f | 556 | fimc_set_yuv_order(ctx); |
5fd8f738 SN |
557 | } |
558 | ||
559 | /* Input DMA mode is not allowed when the scaler is disabled. */ | |
560 | ctx->scaler.enabled = 1; | |
561 | ||
562 | if (flags & FIMC_SRC_ADDR) { | |
2dab38e2 SN |
563 | vb = v4l2_m2m_next_src_buf(ctx->m2m_ctx); |
564 | ret = fimc_prepare_addr(ctx, vb, s_frame, &s_frame->paddr); | |
5fd8f738 SN |
565 | if (ret) |
566 | return ret; | |
567 | } | |
568 | ||
569 | if (flags & FIMC_DST_ADDR) { | |
2dab38e2 SN |
570 | vb = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); |
571 | ret = fimc_prepare_addr(ctx, vb, d_frame, &d_frame->paddr); | |
5fd8f738 SN |
572 | } |
573 | ||
574 | return ret; | |
575 | } | |
576 | ||
577 | static void fimc_dma_run(void *priv) | |
578 | { | |
579 | struct fimc_ctx *ctx = priv; | |
580 | struct fimc_dev *fimc; | |
b241c6d6 | 581 | struct samsung_fimc_variant *variant = ctx->fimc_dev->variant; |
5fd8f738 SN |
582 | unsigned long flags; |
583 | u32 ret; | |
584 | ||
1ce6a143 | 585 | if (WARN(!ctx, "null hardware context\n")) |
5fd8f738 SN |
586 | return; |
587 | ||
588 | fimc = ctx->fimc_dev; | |
589 | ||
590 | spin_lock_irqsave(&ctx->slock, flags); | |
591 | set_bit(ST_M2M_PEND, &fimc->state); | |
592 | ||
593 | ctx->state |= (FIMC_SRC_ADDR | FIMC_DST_ADDR); | |
594 | ret = fimc_prepare_config(ctx, ctx->state); | |
595 | if (ret) { | |
548aafcd | 596 | err("Wrong parameters"); |
5fd8f738 SN |
597 | goto dma_unlock; |
598 | } | |
548aafcd SN |
599 | /* Reconfigure hardware if the context has changed. */ |
600 | if (fimc->m2m.ctx != ctx) { | |
5fd8f738 | 601 | ctx->state |= FIMC_PARAMS; |
548aafcd SN |
602 | fimc->m2m.ctx = ctx; |
603 | } | |
5fd8f738 SN |
604 | |
605 | fimc_hw_set_input_addr(fimc, &ctx->s_frame.paddr); | |
606 | ||
607 | if (ctx->state & FIMC_PARAMS) { | |
608 | fimc_hw_set_input_path(ctx); | |
609 | fimc_hw_set_in_dma(ctx); | |
610 | if (fimc_set_scaler_info(ctx)) { | |
548aafcd | 611 | err("Scaler setup error"); |
5fd8f738 SN |
612 | goto dma_unlock; |
613 | } | |
b241c6d6 HK |
614 | |
615 | fimc_hw_set_prescaler(ctx); | |
616 | if (variant->has_mainscaler_ext) | |
617 | fimc_hw_set_mainscaler_ext(ctx); | |
618 | else | |
619 | fimc_hw_set_mainscaler(ctx); | |
5fd8f738 SN |
620 | fimc_hw_set_target_format(ctx); |
621 | fimc_hw_set_rotation(ctx); | |
622 | fimc_hw_set_effect(ctx); | |
623 | } | |
624 | ||
625 | fimc_hw_set_output_path(ctx); | |
626 | if (ctx->state & (FIMC_DST_ADDR | FIMC_PARAMS)) | |
548aafcd | 627 | fimc_hw_set_output_addr(fimc, &ctx->d_frame.paddr, -1); |
5fd8f738 SN |
628 | |
629 | if (ctx->state & FIMC_PARAMS) | |
630 | fimc_hw_set_out_dma(ctx); | |
631 | ||
548aafcd | 632 | fimc_activate_capture(ctx); |
5fd8f738 | 633 | |
2dab38e2 SN |
634 | ctx->state &= (FIMC_CTX_M2M | FIMC_CTX_CAP | |
635 | FIMC_SRC_FMT | FIMC_DST_FMT); | |
548aafcd | 636 | fimc_hw_activate_input_dma(fimc, true); |
5fd8f738 SN |
637 | |
638 | dma_unlock: | |
639 | spin_unlock_irqrestore(&ctx->slock, flags); | |
640 | } | |
641 | ||
03e30ca5 PO |
642 | static void fimc_job_abort(void *priv) |
643 | { | |
644 | /* Nothing done in job_abort. */ | |
645 | } | |
5fd8f738 | 646 | |
2dab38e2 | 647 | static int fimc_queue_setup(struct vb2_queue *vq, unsigned int *num_buffers, |
ef7af59b SN |
648 | unsigned int *num_planes, unsigned long sizes[], |
649 | void *allocators[]) | |
5fd8f738 | 650 | { |
2dab38e2 | 651 | struct fimc_ctx *ctx = vb2_get_drv_priv(vq); |
ef7af59b SN |
652 | struct fimc_frame *f; |
653 | int i; | |
654 | ||
655 | f = ctx_get_frame(ctx, vq->type); | |
656 | if (IS_ERR(f)) | |
657 | return PTR_ERR(f); | |
5fd8f738 | 658 | |
ef7af59b SN |
659 | /* |
660 | * Return number of non-contigous planes (plane buffers) | |
661 | * depending on the configured color format. | |
662 | */ | |
663 | if (f->fmt) | |
664 | *num_planes = f->fmt->memplanes; | |
5fd8f738 | 665 | |
ef7af59b SN |
666 | for (i = 0; i < f->fmt->memplanes; i++) { |
667 | sizes[i] = (f->width * f->height * f->fmt->depth[i]) >> 3; | |
668 | allocators[i] = ctx->fimc_dev->alloc_ctx; | |
669 | } | |
2dab38e2 | 670 | |
ef7af59b SN |
671 | if (*num_buffers == 0) |
672 | *num_buffers = 1; | |
5fd8f738 | 673 | |
5fd8f738 SN |
674 | return 0; |
675 | } | |
676 | ||
2dab38e2 | 677 | static int fimc_buf_prepare(struct vb2_buffer *vb) |
5fd8f738 | 678 | { |
2dab38e2 | 679 | struct fimc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
5fd8f738 | 680 | struct fimc_frame *frame; |
ef7af59b | 681 | int i; |
5fd8f738 | 682 | |
2dab38e2 | 683 | frame = ctx_get_frame(ctx, vb->vb2_queue->type); |
03e30ca5 PO |
684 | if (IS_ERR(frame)) |
685 | return PTR_ERR(frame); | |
5fd8f738 | 686 | |
ef7af59b SN |
687 | for (i = 0; i < frame->fmt->memplanes; i++) |
688 | vb2_set_plane_payload(vb, i, frame->payload[i]); | |
5fd8f738 | 689 | |
5fd8f738 SN |
690 | return 0; |
691 | } | |
692 | ||
2dab38e2 | 693 | static void fimc_buf_queue(struct vb2_buffer *vb) |
5fd8f738 | 694 | { |
2dab38e2 | 695 | struct fimc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); |
5f3cc447 SN |
696 | |
697 | dbg("ctx: %p, ctx->state: 0x%x", ctx, ctx->state); | |
698 | ||
2dab38e2 SN |
699 | if (ctx->m2m_ctx) |
700 | v4l2_m2m_buf_queue(ctx->m2m_ctx, vb); | |
701 | } | |
5f3cc447 | 702 | |
2dab38e2 SN |
703 | static void fimc_lock(struct vb2_queue *vq) |
704 | { | |
705 | struct fimc_ctx *ctx = vb2_get_drv_priv(vq); | |
706 | mutex_lock(&ctx->fimc_dev->lock); | |
707 | } | |
5f3cc447 | 708 | |
2dab38e2 SN |
709 | static void fimc_unlock(struct vb2_queue *vq) |
710 | { | |
711 | struct fimc_ctx *ctx = vb2_get_drv_priv(vq); | |
712 | mutex_unlock(&ctx->fimc_dev->lock); | |
5fd8f738 SN |
713 | } |
714 | ||
2dab38e2 SN |
715 | struct vb2_ops fimc_qops = { |
716 | .queue_setup = fimc_queue_setup, | |
717 | .buf_prepare = fimc_buf_prepare, | |
718 | .buf_queue = fimc_buf_queue, | |
719 | .wait_prepare = fimc_unlock, | |
720 | .wait_finish = fimc_lock, | |
5fd8f738 SN |
721 | }; |
722 | ||
723 | static int fimc_m2m_querycap(struct file *file, void *priv, | |
724 | struct v4l2_capability *cap) | |
725 | { | |
726 | struct fimc_ctx *ctx = file->private_data; | |
727 | struct fimc_dev *fimc = ctx->fimc_dev; | |
728 | ||
729 | strncpy(cap->driver, fimc->pdev->name, sizeof(cap->driver) - 1); | |
730 | strncpy(cap->card, fimc->pdev->name, sizeof(cap->card) - 1); | |
731 | cap->bus_info[0] = 0; | |
732 | cap->version = KERNEL_VERSION(1, 0, 0); | |
733 | cap->capabilities = V4L2_CAP_STREAMING | | |
ef7af59b SN |
734 | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT | |
735 | V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_VIDEO_OUTPUT_MPLANE; | |
5fd8f738 SN |
736 | |
737 | return 0; | |
738 | } | |
739 | ||
ef7af59b | 740 | int fimc_vidioc_enum_fmt_mplane(struct file *file, void *priv, |
5fd8f738 SN |
741 | struct v4l2_fmtdesc *f) |
742 | { | |
743 | struct fimc_fmt *fmt; | |
744 | ||
745 | if (f->index >= ARRAY_SIZE(fimc_formats)) | |
746 | return -EINVAL; | |
747 | ||
748 | fmt = &fimc_formats[f->index]; | |
749 | strncpy(f->description, fmt->name, sizeof(f->description) - 1); | |
750 | f->pixelformat = fmt->fourcc; | |
5f3cc447 | 751 | |
5fd8f738 SN |
752 | return 0; |
753 | } | |
754 | ||
ef7af59b SN |
755 | int fimc_vidioc_g_fmt_mplane(struct file *file, void *priv, |
756 | struct v4l2_format *f) | |
5fd8f738 SN |
757 | { |
758 | struct fimc_ctx *ctx = priv; | |
759 | struct fimc_frame *frame; | |
760 | ||
548aafcd | 761 | frame = ctx_get_frame(ctx, f->type); |
03e30ca5 PO |
762 | if (IS_ERR(frame)) |
763 | return PTR_ERR(frame); | |
5fd8f738 SN |
764 | |
765 | f->fmt.pix.width = frame->width; | |
766 | f->fmt.pix.height = frame->height; | |
767 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
768 | f->fmt.pix.pixelformat = frame->fmt->fourcc; | |
769 | ||
770 | return 0; | |
771 | } | |
772 | ||
5f3cc447 | 773 | struct fimc_fmt *find_format(struct v4l2_format *f, unsigned int mask) |
5fd8f738 SN |
774 | { |
775 | struct fimc_fmt *fmt; | |
776 | unsigned int i; | |
777 | ||
778 | for (i = 0; i < ARRAY_SIZE(fimc_formats); ++i) { | |
779 | fmt = &fimc_formats[i]; | |
5f3cc447 SN |
780 | if (fmt->fourcc == f->fmt.pix.pixelformat && |
781 | (fmt->flags & mask)) | |
5fd8f738 SN |
782 | break; |
783 | } | |
5fd8f738 | 784 | |
5f3cc447 | 785 | return (i == ARRAY_SIZE(fimc_formats)) ? NULL : fmt; |
5fd8f738 SN |
786 | } |
787 | ||
5f3cc447 SN |
788 | struct fimc_fmt *find_mbus_format(struct v4l2_mbus_framefmt *f, |
789 | unsigned int mask) | |
5fd8f738 SN |
790 | { |
791 | struct fimc_fmt *fmt; | |
5f3cc447 SN |
792 | unsigned int i; |
793 | ||
794 | for (i = 0; i < ARRAY_SIZE(fimc_formats); ++i) { | |
795 | fmt = &fimc_formats[i]; | |
796 | if (fmt->mbus_code == f->code && (fmt->flags & mask)) | |
797 | break; | |
798 | } | |
799 | ||
800 | return (i == ARRAY_SIZE(fimc_formats)) ? NULL : fmt; | |
801 | } | |
802 | ||
803 | ||
ef7af59b SN |
804 | int fimc_vidioc_try_fmt_mplane(struct file *file, void *priv, |
805 | struct v4l2_format *f) | |
5f3cc447 | 806 | { |
5fd8f738 SN |
807 | struct fimc_ctx *ctx = priv; |
808 | struct fimc_dev *fimc = ctx->fimc_dev; | |
5fd8f738 | 809 | struct samsung_fimc_variant *variant = fimc->variant; |
ef7af59b | 810 | struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp; |
5f3cc447 SN |
811 | struct fimc_fmt *fmt; |
812 | u32 max_width, mod_x, mod_y, mask; | |
8293ebfc SN |
813 | int i, is_output = 0; |
814 | ||
5fd8f738 | 815 | |
ef7af59b | 816 | if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { |
5f3cc447 SN |
817 | if (ctx->state & FIMC_CTX_CAP) |
818 | return -EINVAL; | |
819 | is_output = 1; | |
ef7af59b | 820 | } else if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { |
5fd8f738 SN |
821 | return -EINVAL; |
822 | } | |
823 | ||
ef7af59b | 824 | dbg("w: %d, h: %d", pix->width, pix->height); |
5f3cc447 SN |
825 | |
826 | mask = is_output ? FMT_FLAGS_M2M : FMT_FLAGS_M2M | FMT_FLAGS_CAM; | |
827 | fmt = find_format(f, mask); | |
828 | if (!fmt) { | |
829 | v4l2_err(&fimc->m2m.v4l2_dev, "Fourcc format (0x%X) invalid.\n", | |
830 | pix->pixelformat); | |
8293ebfc | 831 | return -EINVAL; |
5f3cc447 SN |
832 | } |
833 | ||
5fd8f738 SN |
834 | if (pix->field == V4L2_FIELD_ANY) |
835 | pix->field = V4L2_FIELD_NONE; | |
836 | else if (V4L2_FIELD_NONE != pix->field) | |
8293ebfc | 837 | return -EINVAL; |
5fd8f738 | 838 | |
5f3cc447 | 839 | if (is_output) { |
a7d5bbcf | 840 | max_width = variant->pix_limit->scaler_dis_w; |
5f3cc447 | 841 | mod_x = ffs(variant->min_inp_pixsize) - 1; |
5fd8f738 | 842 | } else { |
a7d5bbcf | 843 | max_width = variant->pix_limit->out_rot_dis_w; |
5f3cc447 | 844 | mod_x = ffs(variant->min_out_pixsize) - 1; |
5fd8f738 SN |
845 | } |
846 | ||
5fd8f738 | 847 | if (tiled_fmt(fmt)) { |
5f3cc447 SN |
848 | mod_x = 6; /* 64 x 32 pixels tile */ |
849 | mod_y = 5; | |
850 | } else { | |
ef7af59b | 851 | if (fimc->id == 1 && variant->pix_hoff) |
5f3cc447 SN |
852 | mod_y = fimc_fmt_is_rgb(fmt->color) ? 0 : 1; |
853 | else | |
854 | mod_y = mod_x; | |
5fd8f738 SN |
855 | } |
856 | ||
5f3cc447 | 857 | dbg("mod_x: %d, mod_y: %d, max_w: %d", mod_x, mod_y, max_width); |
5fd8f738 | 858 | |
5f3cc447 | 859 | v4l_bound_align_image(&pix->width, 16, max_width, mod_x, |
a7d5bbcf | 860 | &pix->height, 8, variant->pix_limit->scaler_dis_w, mod_y, 0); |
5fd8f738 | 861 | |
ef7af59b SN |
862 | pix->num_planes = fmt->memplanes; |
863 | ||
864 | for (i = 0; i < pix->num_planes; ++i) { | |
865 | int bpl = pix->plane_fmt[i].bytesperline; | |
866 | ||
867 | dbg("[%d] bpl: %d, depth: %d, w: %d, h: %d", | |
868 | i, bpl, fmt->depth[i], pix->width, pix->height); | |
869 | ||
870 | if (!bpl || (bpl * 8 / fmt->depth[i]) > pix->width) | |
871 | bpl = (pix->width * fmt->depth[0]) >> 3; | |
5fd8f738 | 872 | |
ef7af59b SN |
873 | if (!pix->plane_fmt[i].sizeimage) |
874 | pix->plane_fmt[i].sizeimage = pix->height * bpl; | |
5fd8f738 | 875 | |
ef7af59b SN |
876 | pix->plane_fmt[i].bytesperline = bpl; |
877 | ||
878 | dbg("[%d]: bpl: %d, sizeimage: %d", | |
879 | i, pix->plane_fmt[i].bytesperline, | |
880 | pix->plane_fmt[i].sizeimage); | |
881 | } | |
5fd8f738 | 882 | |
8293ebfc | 883 | return 0; |
5f3cc447 | 884 | } |
5fd8f738 | 885 | |
ef7af59b SN |
886 | static int fimc_m2m_s_fmt_mplane(struct file *file, void *priv, |
887 | struct v4l2_format *f) | |
5fd8f738 SN |
888 | { |
889 | struct fimc_ctx *ctx = priv; | |
28f06ff4 | 890 | struct fimc_dev *fimc = ctx->fimc_dev; |
2dab38e2 | 891 | struct vb2_queue *vq; |
5fd8f738 | 892 | struct fimc_frame *frame; |
ef7af59b | 893 | struct v4l2_pix_format_mplane *pix; |
5fd8f738 | 894 | unsigned long flags; |
ef7af59b | 895 | int i, ret = 0; |
8293ebfc | 896 | u32 tmp; |
5fd8f738 | 897 | |
ef7af59b | 898 | ret = fimc_vidioc_try_fmt_mplane(file, priv, f); |
5fd8f738 SN |
899 | if (ret) |
900 | return ret; | |
901 | ||
28f06ff4 | 902 | vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); |
5fd8f738 | 903 | |
2dab38e2 | 904 | if (vb2_is_streaming(vq)) { |
8293ebfc SN |
905 | v4l2_err(&fimc->m2m.v4l2_dev, "queue (%d) busy\n", f->type); |
906 | return -EBUSY; | |
28f06ff4 | 907 | } |
5fd8f738 | 908 | |
ef7af59b | 909 | if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { |
5fd8f738 | 910 | frame = &ctx->s_frame; |
ef7af59b | 911 | } else if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) { |
5fd8f738 | 912 | frame = &ctx->d_frame; |
5fd8f738 | 913 | } else { |
ef7af59b | 914 | v4l2_err(&fimc->m2m.v4l2_dev, |
5fd8f738 | 915 | "Wrong buffer/video queue type (%d)\n", f->type); |
8293ebfc | 916 | return -EINVAL; |
5fd8f738 SN |
917 | } |
918 | ||
ef7af59b | 919 | pix = &f->fmt.pix_mp; |
5f3cc447 | 920 | frame->fmt = find_format(f, FMT_FLAGS_M2M); |
8293ebfc SN |
921 | if (!frame->fmt) |
922 | return -EINVAL; | |
5fd8f738 | 923 | |
ef7af59b SN |
924 | for (i = 0; i < frame->fmt->colplanes; i++) |
925 | frame->payload[i] = pix->plane_fmt[i].bytesperline * pix->height; | |
926 | ||
927 | frame->f_width = pix->plane_fmt[0].bytesperline * 8 / | |
928 | frame->fmt->depth[0]; | |
28f06ff4 SN |
929 | frame->f_height = pix->height; |
930 | frame->width = pix->width; | |
931 | frame->height = pix->height; | |
932 | frame->o_width = pix->width; | |
5fd8f738 | 933 | frame->o_height = pix->height; |
28f06ff4 SN |
934 | frame->offs_h = 0; |
935 | frame->offs_v = 0; | |
28f06ff4 | 936 | |
5fd8f738 | 937 | spin_lock_irqsave(&ctx->slock, flags); |
8293ebfc SN |
938 | tmp = (frame == &ctx->d_frame) ? FIMC_DST_FMT : FIMC_SRC_FMT; |
939 | ctx->state |= FIMC_PARAMS | tmp; | |
5fd8f738 SN |
940 | spin_unlock_irqrestore(&ctx->slock, flags); |
941 | ||
28f06ff4 | 942 | dbg("f_w: %d, f_h: %d", frame->f_width, frame->f_height); |
5fd8f738 | 943 | |
8293ebfc | 944 | return 0; |
5fd8f738 SN |
945 | } |
946 | ||
947 | static int fimc_m2m_reqbufs(struct file *file, void *priv, | |
948 | struct v4l2_requestbuffers *reqbufs) | |
949 | { | |
950 | struct fimc_ctx *ctx = priv; | |
951 | return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); | |
952 | } | |
953 | ||
954 | static int fimc_m2m_querybuf(struct file *file, void *priv, | |
955 | struct v4l2_buffer *buf) | |
956 | { | |
957 | struct fimc_ctx *ctx = priv; | |
958 | return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); | |
959 | } | |
960 | ||
961 | static int fimc_m2m_qbuf(struct file *file, void *priv, | |
962 | struct v4l2_buffer *buf) | |
963 | { | |
964 | struct fimc_ctx *ctx = priv; | |
965 | ||
966 | return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); | |
967 | } | |
968 | ||
969 | static int fimc_m2m_dqbuf(struct file *file, void *priv, | |
970 | struct v4l2_buffer *buf) | |
971 | { | |
972 | struct fimc_ctx *ctx = priv; | |
973 | return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); | |
974 | } | |
975 | ||
976 | static int fimc_m2m_streamon(struct file *file, void *priv, | |
977 | enum v4l2_buf_type type) | |
978 | { | |
979 | struct fimc_ctx *ctx = priv; | |
2dab38e2 SN |
980 | |
981 | /* The source and target color format need to be set */ | |
ef7af59b SN |
982 | if (V4L2_TYPE_IS_OUTPUT(type)) { |
983 | if (~ctx->state & FIMC_SRC_FMT) | |
984 | return -EINVAL; | |
985 | } else if (~ctx->state & FIMC_DST_FMT) { | |
2dab38e2 | 986 | return -EINVAL; |
ef7af59b | 987 | } |
2dab38e2 | 988 | |
5fd8f738 SN |
989 | return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); |
990 | } | |
991 | ||
992 | static int fimc_m2m_streamoff(struct file *file, void *priv, | |
993 | enum v4l2_buf_type type) | |
994 | { | |
995 | struct fimc_ctx *ctx = priv; | |
996 | return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); | |
997 | } | |
998 | ||
5f3cc447 | 999 | int fimc_vidioc_queryctrl(struct file *file, void *priv, |
5fd8f738 SN |
1000 | struct v4l2_queryctrl *qc) |
1001 | { | |
5f3cc447 | 1002 | struct fimc_ctx *ctx = priv; |
5fd8f738 | 1003 | struct v4l2_queryctrl *c; |
69e05e83 | 1004 | int ret = -EINVAL; |
5f3cc447 | 1005 | |
5fd8f738 | 1006 | c = get_ctrl(qc->id); |
5f3cc447 SN |
1007 | if (c) { |
1008 | *qc = *c; | |
1009 | return 0; | |
1010 | } | |
1011 | ||
69e05e83 | 1012 | if (ctx->state & FIMC_CTX_CAP) { |
8293ebfc | 1013 | return v4l2_subdev_call(ctx->fimc_dev->vid_cap.sd, |
5f3cc447 | 1014 | core, queryctrl, qc); |
69e05e83 SN |
1015 | } |
1016 | return ret; | |
5fd8f738 SN |
1017 | } |
1018 | ||
5f3cc447 | 1019 | int fimc_vidioc_g_ctrl(struct file *file, void *priv, |
5fd8f738 SN |
1020 | struct v4l2_control *ctrl) |
1021 | { | |
1022 | struct fimc_ctx *ctx = priv; | |
5f3cc447 | 1023 | struct fimc_dev *fimc = ctx->fimc_dev; |
5fd8f738 SN |
1024 | |
1025 | switch (ctrl->id) { | |
1026 | case V4L2_CID_HFLIP: | |
1027 | ctrl->value = (FLIP_X_AXIS & ctx->flip) ? 1 : 0; | |
1028 | break; | |
1029 | case V4L2_CID_VFLIP: | |
1030 | ctrl->value = (FLIP_Y_AXIS & ctx->flip) ? 1 : 0; | |
1031 | break; | |
1032 | case V4L2_CID_ROTATE: | |
1033 | ctrl->value = ctx->rotation; | |
1034 | break; | |
1035 | default: | |
5f3cc447 | 1036 | if (ctx->state & FIMC_CTX_CAP) { |
8293ebfc SN |
1037 | return v4l2_subdev_call(fimc->vid_cap.sd, core, |
1038 | g_ctrl, ctrl); | |
5f3cc447 SN |
1039 | } else { |
1040 | v4l2_err(&fimc->m2m.v4l2_dev, | |
1041 | "Invalid control\n"); | |
8293ebfc | 1042 | return -EINVAL; |
5f3cc447 | 1043 | } |
5fd8f738 SN |
1044 | } |
1045 | dbg("ctrl->value= %d", ctrl->value); | |
5f3cc447 | 1046 | |
8293ebfc | 1047 | return 0; |
5fd8f738 SN |
1048 | } |
1049 | ||
5f3cc447 | 1050 | int check_ctrl_val(struct fimc_ctx *ctx, struct v4l2_control *ctrl) |
5fd8f738 SN |
1051 | { |
1052 | struct v4l2_queryctrl *c; | |
1053 | c = get_ctrl(ctrl->id); | |
1054 | if (!c) | |
1055 | return -EINVAL; | |
1056 | ||
1057 | if (ctrl->value < c->minimum || ctrl->value > c->maximum | |
1058 | || (c->step != 0 && ctrl->value % c->step != 0)) { | |
1059 | v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev, | |
1060 | "Invalid control value\n"); | |
1061 | return -ERANGE; | |
1062 | } | |
1063 | ||
1064 | return 0; | |
1065 | } | |
1066 | ||
5f3cc447 | 1067 | int fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_control *ctrl) |
5fd8f738 | 1068 | { |
5fd8f738 | 1069 | struct samsung_fimc_variant *variant = ctx->fimc_dev->variant; |
5f3cc447 | 1070 | struct fimc_dev *fimc = ctx->fimc_dev; |
5fd8f738 | 1071 | unsigned long flags; |
5fd8f738 | 1072 | |
5f3cc447 | 1073 | spin_lock_irqsave(&ctx->slock, flags); |
5fd8f738 SN |
1074 | |
1075 | switch (ctrl->id) { | |
1076 | case V4L2_CID_HFLIP: | |
5fd8f738 SN |
1077 | if (ctrl->value) |
1078 | ctx->flip |= FLIP_X_AXIS; | |
1079 | else | |
1080 | ctx->flip &= ~FLIP_X_AXIS; | |
1081 | break; | |
1082 | ||
1083 | case V4L2_CID_VFLIP: | |
5fd8f738 SN |
1084 | if (ctrl->value) |
1085 | ctx->flip |= FLIP_Y_AXIS; | |
1086 | else | |
1087 | ctx->flip &= ~FLIP_Y_AXIS; | |
1088 | break; | |
1089 | ||
1090 | case V4L2_CID_ROTATE: | |
5f3cc447 SN |
1091 | /* Check for the output rotator availability */ |
1092 | if ((ctrl->value == 90 || ctrl->value == 270) && | |
1093 | (ctx->in_path == FIMC_DMA && !variant->has_out_rot)) { | |
1094 | spin_unlock_irqrestore(&ctx->slock, flags); | |
1095 | return -EINVAL; | |
1096 | } else { | |
1097 | ctx->rotation = ctrl->value; | |
5fd8f738 | 1098 | } |
5fd8f738 SN |
1099 | break; |
1100 | ||
1101 | default: | |
5f3cc447 SN |
1102 | spin_unlock_irqrestore(&ctx->slock, flags); |
1103 | v4l2_err(&fimc->m2m.v4l2_dev, "Invalid control\n"); | |
5fd8f738 SN |
1104 | return -EINVAL; |
1105 | } | |
5fd8f738 SN |
1106 | ctx->state |= FIMC_PARAMS; |
1107 | spin_unlock_irqrestore(&ctx->slock, flags); | |
5f3cc447 | 1108 | |
5fd8f738 SN |
1109 | return 0; |
1110 | } | |
1111 | ||
5f3cc447 | 1112 | static int fimc_m2m_s_ctrl(struct file *file, void *priv, |
ac75934c | 1113 | struct v4l2_control *ctrl) |
5f3cc447 SN |
1114 | { |
1115 | struct fimc_ctx *ctx = priv; | |
1116 | int ret = 0; | |
1117 | ||
1118 | ret = check_ctrl_val(ctx, ctrl); | |
1119 | if (ret) | |
1120 | return ret; | |
1121 | ||
1122 | ret = fimc_s_ctrl(ctx, ctrl); | |
1123 | return 0; | |
1124 | } | |
5fd8f738 | 1125 | |
e004e02f | 1126 | static int fimc_m2m_cropcap(struct file *file, void *fh, |
5f3cc447 | 1127 | struct v4l2_cropcap *cr) |
5fd8f738 SN |
1128 | { |
1129 | struct fimc_frame *frame; | |
1130 | struct fimc_ctx *ctx = fh; | |
1131 | ||
548aafcd | 1132 | frame = ctx_get_frame(ctx, cr->type); |
03e30ca5 PO |
1133 | if (IS_ERR(frame)) |
1134 | return PTR_ERR(frame); | |
5fd8f738 | 1135 | |
5f3cc447 SN |
1136 | cr->bounds.left = 0; |
1137 | cr->bounds.top = 0; | |
1138 | cr->bounds.width = frame->f_width; | |
1139 | cr->bounds.height = frame->f_height; | |
1140 | cr->defrect = cr->bounds; | |
1141 | ||
5fd8f738 SN |
1142 | return 0; |
1143 | } | |
1144 | ||
e004e02f | 1145 | static int fimc_m2m_g_crop(struct file *file, void *fh, struct v4l2_crop *cr) |
5fd8f738 SN |
1146 | { |
1147 | struct fimc_frame *frame; | |
1148 | struct fimc_ctx *ctx = file->private_data; | |
1149 | ||
548aafcd | 1150 | frame = ctx_get_frame(ctx, cr->type); |
03e30ca5 PO |
1151 | if (IS_ERR(frame)) |
1152 | return PTR_ERR(frame); | |
5fd8f738 SN |
1153 | |
1154 | cr->c.left = frame->offs_h; | |
1155 | cr->c.top = frame->offs_v; | |
1156 | cr->c.width = frame->width; | |
1157 | cr->c.height = frame->height; | |
1158 | ||
1159 | return 0; | |
1160 | } | |
1161 | ||
5f3cc447 | 1162 | int fimc_try_crop(struct fimc_ctx *ctx, struct v4l2_crop *cr) |
5fd8f738 | 1163 | { |
5fd8f738 | 1164 | struct fimc_dev *fimc = ctx->fimc_dev; |
5fd8f738 | 1165 | struct fimc_frame *f; |
ef7af59b SN |
1166 | u32 min_size, halign, depth = 0; |
1167 | int i; | |
5f3cc447 | 1168 | |
5fd8f738 SN |
1169 | if (cr->c.top < 0 || cr->c.left < 0) { |
1170 | v4l2_err(&fimc->m2m.v4l2_dev, | |
1171 | "doesn't support negative values for top & left\n"); | |
1172 | return -EINVAL; | |
1173 | } | |
1174 | ||
ef7af59b | 1175 | if (cr->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) |
e004e02f | 1176 | f = (ctx->state & FIMC_CTX_CAP) ? &ctx->s_frame : &ctx->d_frame; |
ef7af59b | 1177 | else if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE && |
e004e02f SN |
1178 | ctx->state & FIMC_CTX_M2M) |
1179 | f = &ctx->s_frame; | |
1180 | else | |
1181 | return -EINVAL; | |
5fd8f738 | 1182 | |
e004e02f SN |
1183 | min_size = (f == &ctx->s_frame) ? |
1184 | fimc->variant->min_inp_pixsize : fimc->variant->min_out_pixsize; | |
5fd8f738 | 1185 | |
5f3cc447 SN |
1186 | if (ctx->state & FIMC_CTX_M2M) { |
1187 | if (fimc->id == 1 && fimc->variant->pix_hoff) | |
1188 | halign = fimc_fmt_is_rgb(f->fmt->color) ? 0 : 1; | |
1189 | else | |
1190 | halign = ffs(min_size) - 1; | |
1191 | /* there are more strict aligment requirements at camera interface */ | |
1192 | } else { | |
1193 | min_size = 16; | |
1194 | halign = 4; | |
5fd8f738 SN |
1195 | } |
1196 | ||
ef7af59b SN |
1197 | for (i = 0; i < f->fmt->colplanes; i++) |
1198 | depth += f->fmt->depth[i]; | |
1199 | ||
5f3cc447 SN |
1200 | v4l_bound_align_image(&cr->c.width, min_size, f->o_width, |
1201 | ffs(min_size) - 1, | |
1202 | &cr->c.height, min_size, f->o_height, | |
ef7af59b | 1203 | halign, 64/(ALIGN(depth, 8))); |
5f3cc447 SN |
1204 | |
1205 | /* adjust left/top if cropping rectangle is out of bounds */ | |
1206 | if (cr->c.left + cr->c.width > f->o_width) | |
1207 | cr->c.left = f->o_width - cr->c.width; | |
1208 | if (cr->c.top + cr->c.height > f->o_height) | |
1209 | cr->c.top = f->o_height - cr->c.height; | |
1210 | ||
1211 | cr->c.left = round_down(cr->c.left, min_size); | |
1212 | cr->c.top = round_down(cr->c.top, | |
1213 | ctx->state & FIMC_CTX_M2M ? 8 : 16); | |
1214 | ||
1215 | dbg("l:%d, t:%d, w:%d, h:%d, f_w: %d, f_h: %d", | |
1216 | cr->c.left, cr->c.top, cr->c.width, cr->c.height, | |
1217 | f->f_width, f->f_height); | |
1218 | ||
1219 | return 0; | |
1220 | } | |
1221 | ||
1222 | ||
1223 | static int fimc_m2m_s_crop(struct file *file, void *fh, struct v4l2_crop *cr) | |
1224 | { | |
1225 | struct fimc_ctx *ctx = file->private_data; | |
1226 | struct fimc_dev *fimc = ctx->fimc_dev; | |
1227 | unsigned long flags; | |
1228 | struct fimc_frame *f; | |
1229 | int ret; | |
1230 | ||
1231 | ret = fimc_try_crop(ctx, cr); | |
1232 | if (ret) | |
1233 | return ret; | |
1234 | ||
ef7af59b | 1235 | f = (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) ? |
5f3cc447 SN |
1236 | &ctx->s_frame : &ctx->d_frame; |
1237 | ||
5fd8f738 | 1238 | spin_lock_irqsave(&ctx->slock, flags); |
5f3cc447 SN |
1239 | if (~ctx->state & (FIMC_SRC_FMT | FIMC_DST_FMT)) { |
1240 | /* Check to see if scaling ratio is within supported range */ | |
ef7af59b | 1241 | if (cr->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) |
5fd8f738 | 1242 | ret = fimc_check_scaler_ratio(&cr->c, &ctx->d_frame); |
5f3cc447 | 1243 | else |
5fd8f738 | 1244 | ret = fimc_check_scaler_ratio(&cr->c, &ctx->s_frame); |
5fd8f738 | 1245 | if (ret) { |
5f3cc447 | 1246 | v4l2_err(&fimc->m2m.v4l2_dev, "Out of scaler range"); |
8293ebfc SN |
1247 | spin_unlock_irqrestore(&ctx->slock, flags); |
1248 | return -EINVAL; | |
5fd8f738 SN |
1249 | } |
1250 | } | |
1251 | ctx->state |= FIMC_PARAMS; | |
5fd8f738 SN |
1252 | |
1253 | f->offs_h = cr->c.left; | |
1254 | f->offs_v = cr->c.top; | |
5f3cc447 | 1255 | f->width = cr->c.width; |
5fd8f738 | 1256 | f->height = cr->c.height; |
5f3cc447 SN |
1257 | |
1258 | spin_unlock_irqrestore(&ctx->slock, flags); | |
5fd8f738 SN |
1259 | return 0; |
1260 | } | |
1261 | ||
1262 | static const struct v4l2_ioctl_ops fimc_m2m_ioctl_ops = { | |
1263 | .vidioc_querycap = fimc_m2m_querycap, | |
1264 | ||
ef7af59b SN |
1265 | .vidioc_enum_fmt_vid_cap_mplane = fimc_vidioc_enum_fmt_mplane, |
1266 | .vidioc_enum_fmt_vid_out_mplane = fimc_vidioc_enum_fmt_mplane, | |
5fd8f738 | 1267 | |
ef7af59b SN |
1268 | .vidioc_g_fmt_vid_cap_mplane = fimc_vidioc_g_fmt_mplane, |
1269 | .vidioc_g_fmt_vid_out_mplane = fimc_vidioc_g_fmt_mplane, | |
5fd8f738 | 1270 | |
ef7af59b SN |
1271 | .vidioc_try_fmt_vid_cap_mplane = fimc_vidioc_try_fmt_mplane, |
1272 | .vidioc_try_fmt_vid_out_mplane = fimc_vidioc_try_fmt_mplane, | |
5fd8f738 | 1273 | |
ef7af59b SN |
1274 | .vidioc_s_fmt_vid_cap_mplane = fimc_m2m_s_fmt_mplane, |
1275 | .vidioc_s_fmt_vid_out_mplane = fimc_m2m_s_fmt_mplane, | |
5fd8f738 SN |
1276 | |
1277 | .vidioc_reqbufs = fimc_m2m_reqbufs, | |
1278 | .vidioc_querybuf = fimc_m2m_querybuf, | |
1279 | ||
1280 | .vidioc_qbuf = fimc_m2m_qbuf, | |
1281 | .vidioc_dqbuf = fimc_m2m_dqbuf, | |
1282 | ||
1283 | .vidioc_streamon = fimc_m2m_streamon, | |
1284 | .vidioc_streamoff = fimc_m2m_streamoff, | |
1285 | ||
5f3cc447 SN |
1286 | .vidioc_queryctrl = fimc_vidioc_queryctrl, |
1287 | .vidioc_g_ctrl = fimc_vidioc_g_ctrl, | |
5fd8f738 SN |
1288 | .vidioc_s_ctrl = fimc_m2m_s_ctrl, |
1289 | ||
e004e02f | 1290 | .vidioc_g_crop = fimc_m2m_g_crop, |
5fd8f738 | 1291 | .vidioc_s_crop = fimc_m2m_s_crop, |
e004e02f | 1292 | .vidioc_cropcap = fimc_m2m_cropcap |
5fd8f738 SN |
1293 | |
1294 | }; | |
1295 | ||
ef7af59b SN |
1296 | static int queue_init(void *priv, struct vb2_queue *src_vq, |
1297 | struct vb2_queue *dst_vq) | |
5fd8f738 SN |
1298 | { |
1299 | struct fimc_ctx *ctx = priv; | |
2dab38e2 SN |
1300 | int ret; |
1301 | ||
1302 | memset(src_vq, 0, sizeof(*src_vq)); | |
1303 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; | |
1304 | src_vq->io_modes = VB2_MMAP | VB2_USERPTR; | |
1305 | src_vq->drv_priv = ctx; | |
1306 | src_vq->ops = &fimc_qops; | |
1307 | src_vq->mem_ops = &vb2_dma_contig_memops; | |
1308 | src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); | |
5fd8f738 | 1309 | |
2dab38e2 SN |
1310 | ret = vb2_queue_init(src_vq); |
1311 | if (ret) | |
1312 | return ret; | |
1313 | ||
1314 | memset(dst_vq, 0, sizeof(*dst_vq)); | |
1315 | dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; | |
1316 | dst_vq->io_modes = VB2_MMAP | VB2_USERPTR; | |
1317 | dst_vq->drv_priv = ctx; | |
1318 | dst_vq->ops = &fimc_qops; | |
1319 | dst_vq->mem_ops = &vb2_dma_contig_memops; | |
1320 | dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); | |
1321 | ||
1322 | return vb2_queue_init(dst_vq); | |
5fd8f738 SN |
1323 | } |
1324 | ||
1325 | static int fimc_m2m_open(struct file *file) | |
1326 | { | |
1327 | struct fimc_dev *fimc = video_drvdata(file); | |
1328 | struct fimc_ctx *ctx = NULL; | |
5f3cc447 SN |
1329 | |
1330 | dbg("pid: %d, state: 0x%lx, refcnt: %d", | |
1331 | task_pid_nr(current), fimc->state, fimc->vid_cap.refcnt); | |
1332 | ||
1333 | /* | |
1334 | * Return if the corresponding video capture node | |
1335 | * is already opened. | |
1336 | */ | |
8293ebfc SN |
1337 | if (fimc->vid_cap.refcnt > 0) |
1338 | return -EBUSY; | |
5f3cc447 | 1339 | |
5fd8f738 SN |
1340 | fimc->m2m.refcnt++; |
1341 | set_bit(ST_OUTDMA_RUN, &fimc->state); | |
5fd8f738 SN |
1342 | |
1343 | ctx = kzalloc(sizeof *ctx, GFP_KERNEL); | |
8293ebfc SN |
1344 | if (!ctx) |
1345 | return -ENOMEM; | |
5fd8f738 SN |
1346 | |
1347 | file->private_data = ctx; | |
1348 | ctx->fimc_dev = fimc; | |
548aafcd | 1349 | /* Default color format */ |
5fd8f738 SN |
1350 | ctx->s_frame.fmt = &fimc_formats[0]; |
1351 | ctx->d_frame.fmt = &fimc_formats[0]; | |
5f3cc447 SN |
1352 | /* Setup the device context for mem2mem mode. */ |
1353 | ctx->state = FIMC_CTX_M2M; | |
5fd8f738 | 1354 | ctx->flags = 0; |
5fd8f738 SN |
1355 | ctx->in_path = FIMC_DMA; |
1356 | ctx->out_path = FIMC_DMA; | |
1357 | spin_lock_init(&ctx->slock); | |
1358 | ||
2dab38e2 | 1359 | ctx->m2m_ctx = v4l2_m2m_ctx_init(fimc->m2m.m2m_dev, ctx, queue_init); |
5fd8f738 | 1360 | if (IS_ERR(ctx->m2m_ctx)) { |
8293ebfc | 1361 | int err = PTR_ERR(ctx->m2m_ctx); |
5fd8f738 | 1362 | kfree(ctx); |
8293ebfc | 1363 | return err; |
5fd8f738 | 1364 | } |
5f3cc447 | 1365 | |
8293ebfc | 1366 | return 0; |
5fd8f738 SN |
1367 | } |
1368 | ||
1369 | static int fimc_m2m_release(struct file *file) | |
1370 | { | |
1371 | struct fimc_ctx *ctx = file->private_data; | |
1372 | struct fimc_dev *fimc = ctx->fimc_dev; | |
1373 | ||
5f3cc447 SN |
1374 | dbg("pid: %d, state: 0x%lx, refcnt= %d", |
1375 | task_pid_nr(current), fimc->state, fimc->m2m.refcnt); | |
1376 | ||
5fd8f738 SN |
1377 | v4l2_m2m_ctx_release(ctx->m2m_ctx); |
1378 | kfree(ctx); | |
5fd8f738 SN |
1379 | if (--fimc->m2m.refcnt <= 0) |
1380 | clear_bit(ST_OUTDMA_RUN, &fimc->state); | |
5f3cc447 | 1381 | |
5fd8f738 SN |
1382 | return 0; |
1383 | } | |
1384 | ||
1385 | static unsigned int fimc_m2m_poll(struct file *file, | |
1386 | struct poll_table_struct *wait) | |
1387 | { | |
1388 | struct fimc_ctx *ctx = file->private_data; | |
5f3cc447 | 1389 | |
5fd8f738 SN |
1390 | return v4l2_m2m_poll(file, ctx->m2m_ctx, wait); |
1391 | } | |
1392 | ||
1393 | ||
1394 | static int fimc_m2m_mmap(struct file *file, struct vm_area_struct *vma) | |
1395 | { | |
1396 | struct fimc_ctx *ctx = file->private_data; | |
5f3cc447 | 1397 | |
5fd8f738 SN |
1398 | return v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); |
1399 | } | |
1400 | ||
1401 | static const struct v4l2_file_operations fimc_m2m_fops = { | |
1402 | .owner = THIS_MODULE, | |
1403 | .open = fimc_m2m_open, | |
1404 | .release = fimc_m2m_release, | |
1405 | .poll = fimc_m2m_poll, | |
69e05e83 | 1406 | .unlocked_ioctl = video_ioctl2, |
5fd8f738 SN |
1407 | .mmap = fimc_m2m_mmap, |
1408 | }; | |
1409 | ||
1410 | static struct v4l2_m2m_ops m2m_ops = { | |
1411 | .device_run = fimc_dma_run, | |
1412 | .job_abort = fimc_job_abort, | |
1413 | }; | |
1414 | ||
5fd8f738 SN |
1415 | static int fimc_register_m2m_device(struct fimc_dev *fimc) |
1416 | { | |
1417 | struct video_device *vfd; | |
1418 | struct platform_device *pdev; | |
1419 | struct v4l2_device *v4l2_dev; | |
1420 | int ret = 0; | |
1421 | ||
1422 | if (!fimc) | |
1423 | return -ENODEV; | |
1424 | ||
1425 | pdev = fimc->pdev; | |
1426 | v4l2_dev = &fimc->m2m.v4l2_dev; | |
1427 | ||
1428 | /* set name if it is empty */ | |
1429 | if (!v4l2_dev->name[0]) | |
1430 | snprintf(v4l2_dev->name, sizeof(v4l2_dev->name), | |
1431 | "%s.m2m", dev_name(&pdev->dev)); | |
1432 | ||
1433 | ret = v4l2_device_register(&pdev->dev, v4l2_dev); | |
1434 | if (ret) | |
548aafcd | 1435 | goto err_m2m_r1; |
5fd8f738 SN |
1436 | |
1437 | vfd = video_device_alloc(); | |
1438 | if (!vfd) { | |
1439 | v4l2_err(v4l2_dev, "Failed to allocate video device\n"); | |
1440 | goto err_m2m_r1; | |
1441 | } | |
1442 | ||
1443 | vfd->fops = &fimc_m2m_fops; | |
1444 | vfd->ioctl_ops = &fimc_m2m_ioctl_ops; | |
1445 | vfd->minor = -1; | |
1446 | vfd->release = video_device_release; | |
8293ebfc | 1447 | vfd->lock = &fimc->lock; |
5fd8f738 SN |
1448 | |
1449 | snprintf(vfd->name, sizeof(vfd->name), "%s:m2m", dev_name(&pdev->dev)); | |
1450 | ||
1451 | video_set_drvdata(vfd, fimc); | |
1452 | platform_set_drvdata(pdev, fimc); | |
1453 | ||
1454 | fimc->m2m.vfd = vfd; | |
1455 | fimc->m2m.m2m_dev = v4l2_m2m_init(&m2m_ops); | |
1456 | if (IS_ERR(fimc->m2m.m2m_dev)) { | |
1457 | v4l2_err(v4l2_dev, "failed to initialize v4l2-m2m device\n"); | |
1458 | ret = PTR_ERR(fimc->m2m.m2m_dev); | |
1459 | goto err_m2m_r2; | |
1460 | } | |
1461 | ||
1462 | ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1); | |
1463 | if (ret) { | |
1464 | v4l2_err(v4l2_dev, | |
1465 | "%s(): failed to register video device\n", __func__); | |
1466 | goto err_m2m_r3; | |
1467 | } | |
1468 | v4l2_info(v4l2_dev, | |
1469 | "FIMC m2m driver registered as /dev/video%d\n", vfd->num); | |
1470 | ||
1471 | return 0; | |
1472 | ||
1473 | err_m2m_r3: | |
1474 | v4l2_m2m_release(fimc->m2m.m2m_dev); | |
1475 | err_m2m_r2: | |
1476 | video_device_release(fimc->m2m.vfd); | |
1477 | err_m2m_r1: | |
1478 | v4l2_device_unregister(v4l2_dev); | |
1479 | ||
1480 | return ret; | |
1481 | } | |
1482 | ||
1483 | static void fimc_unregister_m2m_device(struct fimc_dev *fimc) | |
1484 | { | |
1485 | if (fimc) { | |
1486 | v4l2_m2m_release(fimc->m2m.m2m_dev); | |
1487 | video_unregister_device(fimc->m2m.vfd); | |
548aafcd | 1488 | |
5fd8f738 SN |
1489 | v4l2_device_unregister(&fimc->m2m.v4l2_dev); |
1490 | } | |
1491 | } | |
1492 | ||
1493 | static void fimc_clk_release(struct fimc_dev *fimc) | |
1494 | { | |
1495 | int i; | |
a25be18d | 1496 | for (i = 0; i < fimc->num_clocks; i++) { |
5fd8f738 SN |
1497 | if (fimc->clock[i]) { |
1498 | clk_disable(fimc->clock[i]); | |
1499 | clk_put(fimc->clock[i]); | |
1500 | } | |
1501 | } | |
1502 | } | |
1503 | ||
1504 | static int fimc_clk_get(struct fimc_dev *fimc) | |
1505 | { | |
1506 | int i; | |
a25be18d SN |
1507 | for (i = 0; i < fimc->num_clocks; i++) { |
1508 | fimc->clock[i] = clk_get(&fimc->pdev->dev, fimc_clocks[i]); | |
1509 | ||
1510 | if (!IS_ERR_OR_NULL(fimc->clock[i])) { | |
1511 | clk_enable(fimc->clock[i]); | |
1512 | continue; | |
5fd8f738 | 1513 | } |
a25be18d SN |
1514 | dev_err(&fimc->pdev->dev, "failed to get fimc clock: %s\n", |
1515 | fimc_clocks[i]); | |
1516 | return -ENXIO; | |
5fd8f738 SN |
1517 | } |
1518 | return 0; | |
1519 | } | |
1520 | ||
1521 | static int fimc_probe(struct platform_device *pdev) | |
1522 | { | |
1523 | struct fimc_dev *fimc; | |
1524 | struct resource *res; | |
1525 | struct samsung_fimc_driverdata *drv_data; | |
1526 | int ret = 0; | |
a25be18d | 1527 | int cap_input_index = -1; |
5fd8f738 SN |
1528 | |
1529 | dev_dbg(&pdev->dev, "%s():\n", __func__); | |
1530 | ||
1531 | drv_data = (struct samsung_fimc_driverdata *) | |
1532 | platform_get_device_id(pdev)->driver_data; | |
1533 | ||
a7d5bbcf | 1534 | if (pdev->id >= drv_data->num_entities) { |
5fd8f738 SN |
1535 | dev_err(&pdev->dev, "Invalid platform device id: %d\n", |
1536 | pdev->id); | |
1537 | return -EINVAL; | |
1538 | } | |
1539 | ||
1540 | fimc = kzalloc(sizeof(struct fimc_dev), GFP_KERNEL); | |
1541 | if (!fimc) | |
1542 | return -ENOMEM; | |
1543 | ||
1544 | fimc->id = pdev->id; | |
1545 | fimc->variant = drv_data->variant[fimc->id]; | |
1546 | fimc->pdev = pdev; | |
5f3cc447 | 1547 | fimc->pdata = pdev->dev.platform_data; |
5fd8f738 SN |
1548 | fimc->state = ST_IDLE; |
1549 | ||
5f3cc447 | 1550 | init_waitqueue_head(&fimc->irq_queue); |
5fd8f738 SN |
1551 | spin_lock_init(&fimc->slock); |
1552 | ||
1553 | mutex_init(&fimc->lock); | |
1554 | ||
1555 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
1556 | if (!res) { | |
1557 | dev_err(&pdev->dev, "failed to find the registers\n"); | |
1558 | ret = -ENOENT; | |
1559 | goto err_info; | |
1560 | } | |
1561 | ||
1562 | fimc->regs_res = request_mem_region(res->start, resource_size(res), | |
1563 | dev_name(&pdev->dev)); | |
1564 | if (!fimc->regs_res) { | |
1565 | dev_err(&pdev->dev, "failed to obtain register region\n"); | |
1566 | ret = -ENOENT; | |
1567 | goto err_info; | |
1568 | } | |
1569 | ||
1570 | fimc->regs = ioremap(res->start, resource_size(res)); | |
1571 | if (!fimc->regs) { | |
1572 | dev_err(&pdev->dev, "failed to map registers\n"); | |
1573 | ret = -ENXIO; | |
1574 | goto err_req_region; | |
1575 | } | |
1576 | ||
a25be18d SN |
1577 | fimc->num_clocks = MAX_FIMC_CLOCKS - 1; |
1578 | /* | |
1579 | * Check if vide capture node needs to be registered for this device | |
1580 | * instance. | |
1581 | */ | |
1582 | if (fimc->pdata) { | |
1583 | int i; | |
1584 | for (i = 0; i < FIMC_MAX_CAMIF_CLIENTS; ++i) | |
1585 | if (fimc->pdata->isp_info[i]) | |
1586 | break; | |
1587 | if (i < FIMC_MAX_CAMIF_CLIENTS) { | |
1588 | cap_input_index = i; | |
1589 | fimc->num_clocks++; | |
1590 | } | |
1591 | } | |
1592 | ||
5fd8f738 SN |
1593 | ret = fimc_clk_get(fimc); |
1594 | if (ret) | |
1595 | goto err_regs_unmap; | |
a25be18d | 1596 | clk_set_rate(fimc->clock[CLK_BUS], drv_data->lclk_frequency); |
5fd8f738 SN |
1597 | |
1598 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); | |
1599 | if (!res) { | |
1600 | dev_err(&pdev->dev, "failed to get IRQ resource\n"); | |
1601 | ret = -ENXIO; | |
1602 | goto err_clk; | |
1603 | } | |
1604 | fimc->irq = res->start; | |
1605 | ||
1606 | fimc_hw_reset(fimc); | |
1607 | ||
1608 | ret = request_irq(fimc->irq, fimc_isr, 0, pdev->name, fimc); | |
1609 | if (ret) { | |
1610 | dev_err(&pdev->dev, "failed to install irq (%d)\n", ret); | |
1611 | goto err_clk; | |
1612 | } | |
1613 | ||
2dab38e2 SN |
1614 | /* Initialize contiguous memory allocator */ |
1615 | fimc->alloc_ctx = vb2_dma_contig_init_ctx(&fimc->pdev->dev); | |
1616 | if (IS_ERR(fimc->alloc_ctx)) { | |
1617 | ret = PTR_ERR(fimc->alloc_ctx); | |
1618 | goto err_irq; | |
1619 | } | |
1620 | ||
5fd8f738 SN |
1621 | ret = fimc_register_m2m_device(fimc); |
1622 | if (ret) | |
548aafcd | 1623 | goto err_irq; |
5fd8f738 | 1624 | |
5f3cc447 | 1625 | /* At least one camera sensor is required to register capture node */ |
a25be18d SN |
1626 | if (cap_input_index >= 0) { |
1627 | ret = fimc_register_capture_device(fimc); | |
1628 | if (ret) | |
1629 | goto err_m2m; | |
1630 | clk_disable(fimc->clock[CLK_CAM]); | |
5f3cc447 | 1631 | } |
a7d5bbcf SN |
1632 | /* |
1633 | * Exclude the additional output DMA address registers by masking | |
1634 | * them out on HW revisions that provide extended capabilites. | |
1635 | */ | |
1636 | if (fimc->variant->out_buf_count > 4) | |
1637 | fimc_hw_set_dma_seq(fimc, 0xF); | |
1638 | ||
5fd8f738 SN |
1639 | dev_dbg(&pdev->dev, "%s(): fimc-%d registered successfully\n", |
1640 | __func__, fimc->id); | |
1641 | ||
1642 | return 0; | |
1643 | ||
5f3cc447 SN |
1644 | err_m2m: |
1645 | fimc_unregister_m2m_device(fimc); | |
5fd8f738 SN |
1646 | err_irq: |
1647 | free_irq(fimc->irq, fimc); | |
1648 | err_clk: | |
1649 | fimc_clk_release(fimc); | |
1650 | err_regs_unmap: | |
1651 | iounmap(fimc->regs); | |
1652 | err_req_region: | |
1653 | release_resource(fimc->regs_res); | |
1654 | kfree(fimc->regs_res); | |
1655 | err_info: | |
1656 | kfree(fimc); | |
548aafcd | 1657 | |
5fd8f738 SN |
1658 | return ret; |
1659 | } | |
1660 | ||
1661 | static int __devexit fimc_remove(struct platform_device *pdev) | |
1662 | { | |
1663 | struct fimc_dev *fimc = | |
1664 | (struct fimc_dev *)platform_get_drvdata(pdev); | |
1665 | ||
5fd8f738 | 1666 | free_irq(fimc->irq, fimc); |
5fd8f738 SN |
1667 | fimc_hw_reset(fimc); |
1668 | ||
1669 | fimc_unregister_m2m_device(fimc); | |
5f3cc447 SN |
1670 | fimc_unregister_capture_device(fimc); |
1671 | ||
5fd8f738 | 1672 | fimc_clk_release(fimc); |
2dab38e2 SN |
1673 | |
1674 | vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx); | |
1675 | ||
5fd8f738 SN |
1676 | iounmap(fimc->regs); |
1677 | release_resource(fimc->regs_res); | |
1678 | kfree(fimc->regs_res); | |
1679 | kfree(fimc); | |
548aafcd SN |
1680 | |
1681 | dev_info(&pdev->dev, "%s driver unloaded\n", pdev->name); | |
5fd8f738 SN |
1682 | return 0; |
1683 | } | |
1684 | ||
a7d5bbcf SN |
1685 | /* Image pixel limits, similar across several FIMC HW revisions. */ |
1686 | static struct fimc_pix_limit s5p_pix_limit[3] = { | |
1687 | [0] = { | |
1688 | .scaler_en_w = 3264, | |
1689 | .scaler_dis_w = 8192, | |
1690 | .in_rot_en_h = 1920, | |
1691 | .in_rot_dis_w = 8192, | |
1692 | .out_rot_en_w = 1920, | |
1693 | .out_rot_dis_w = 4224, | |
1694 | }, | |
1695 | [1] = { | |
1696 | .scaler_en_w = 4224, | |
1697 | .scaler_dis_w = 8192, | |
1698 | .in_rot_en_h = 1920, | |
1699 | .in_rot_dis_w = 8192, | |
1700 | .out_rot_en_w = 1920, | |
1701 | .out_rot_dis_w = 4224, | |
1702 | }, | |
1703 | [2] = { | |
1704 | .scaler_en_w = 1920, | |
1705 | .scaler_dis_w = 8192, | |
1706 | .in_rot_en_h = 1280, | |
1707 | .in_rot_dis_w = 8192, | |
1708 | .out_rot_en_w = 1280, | |
1709 | .out_rot_dis_w = 1920, | |
1710 | }, | |
1711 | }; | |
1712 | ||
1713 | static struct samsung_fimc_variant fimc0_variant_s5p = { | |
1714 | .has_inp_rot = 1, | |
1715 | .has_out_rot = 1, | |
5fd8f738 SN |
1716 | .min_inp_pixsize = 16, |
1717 | .min_out_pixsize = 16, | |
a7d5bbcf SN |
1718 | .hor_offs_align = 8, |
1719 | .out_buf_count = 4, | |
1720 | .pix_limit = &s5p_pix_limit[0], | |
5fd8f738 SN |
1721 | }; |
1722 | ||
1723 | static struct samsung_fimc_variant fimc2_variant_s5p = { | |
1724 | .min_inp_pixsize = 16, | |
1725 | .min_out_pixsize = 16, | |
a7d5bbcf SN |
1726 | .hor_offs_align = 8, |
1727 | .out_buf_count = 4, | |
1728 | .pix_limit = &s5p_pix_limit[1], | |
5fd8f738 SN |
1729 | }; |
1730 | ||
a7d5bbcf SN |
1731 | static struct samsung_fimc_variant fimc0_variant_s5pv210 = { |
1732 | .pix_hoff = 1, | |
1733 | .has_inp_rot = 1, | |
1734 | .has_out_rot = 1, | |
5fd8f738 | 1735 | .min_inp_pixsize = 16, |
548aafcd | 1736 | .min_out_pixsize = 16, |
a7d5bbcf SN |
1737 | .hor_offs_align = 8, |
1738 | .out_buf_count = 4, | |
1739 | .pix_limit = &s5p_pix_limit[1], | |
1740 | }; | |
5fd8f738 | 1741 | |
a7d5bbcf SN |
1742 | static struct samsung_fimc_variant fimc1_variant_s5pv210 = { |
1743 | .pix_hoff = 1, | |
1744 | .has_inp_rot = 1, | |
1745 | .has_out_rot = 1, | |
b241c6d6 | 1746 | .has_mainscaler_ext = 1, |
a7d5bbcf SN |
1747 | .min_inp_pixsize = 16, |
1748 | .min_out_pixsize = 16, | |
1749 | .hor_offs_align = 1, | |
1750 | .out_buf_count = 4, | |
1751 | .pix_limit = &s5p_pix_limit[2], | |
5fd8f738 SN |
1752 | }; |
1753 | ||
1754 | static struct samsung_fimc_variant fimc2_variant_s5pv210 = { | |
ddc79e0f | 1755 | .pix_hoff = 1, |
5fd8f738 | 1756 | .min_inp_pixsize = 16, |
548aafcd | 1757 | .min_out_pixsize = 16, |
a7d5bbcf SN |
1758 | .hor_offs_align = 8, |
1759 | .out_buf_count = 4, | |
1760 | .pix_limit = &s5p_pix_limit[2], | |
1761 | }; | |
5fd8f738 | 1762 | |
a7d5bbcf SN |
1763 | static struct samsung_fimc_variant fimc0_variant_s5pv310 = { |
1764 | .pix_hoff = 1, | |
1765 | .has_inp_rot = 1, | |
1766 | .has_out_rot = 1, | |
798174ab | 1767 | .has_cistatus2 = 1, |
b241c6d6 | 1768 | .has_mainscaler_ext = 1, |
a7d5bbcf SN |
1769 | .min_inp_pixsize = 16, |
1770 | .min_out_pixsize = 16, | |
1771 | .hor_offs_align = 1, | |
1772 | .out_buf_count = 32, | |
1773 | .pix_limit = &s5p_pix_limit[1], | |
1774 | }; | |
1775 | ||
1776 | static struct samsung_fimc_variant fimc2_variant_s5pv310 = { | |
1777 | .pix_hoff = 1, | |
798174ab | 1778 | .has_cistatus2 = 1, |
b241c6d6 | 1779 | .has_mainscaler_ext = 1, |
a7d5bbcf SN |
1780 | .min_inp_pixsize = 16, |
1781 | .min_out_pixsize = 16, | |
1782 | .hor_offs_align = 1, | |
1783 | .out_buf_count = 32, | |
1784 | .pix_limit = &s5p_pix_limit[2], | |
5fd8f738 SN |
1785 | }; |
1786 | ||
a7d5bbcf | 1787 | /* S5PC100 */ |
5fd8f738 SN |
1788 | static struct samsung_fimc_driverdata fimc_drvdata_s5p = { |
1789 | .variant = { | |
a7d5bbcf SN |
1790 | [0] = &fimc0_variant_s5p, |
1791 | [1] = &fimc0_variant_s5p, | |
5fd8f738 SN |
1792 | [2] = &fimc2_variant_s5p, |
1793 | }, | |
a7d5bbcf SN |
1794 | .num_entities = 3, |
1795 | .lclk_frequency = 133000000UL, | |
5fd8f738 SN |
1796 | }; |
1797 | ||
a7d5bbcf | 1798 | /* S5PV210, S5PC110 */ |
5fd8f738 SN |
1799 | static struct samsung_fimc_driverdata fimc_drvdata_s5pv210 = { |
1800 | .variant = { | |
a7d5bbcf SN |
1801 | [0] = &fimc0_variant_s5pv210, |
1802 | [1] = &fimc1_variant_s5pv210, | |
5fd8f738 SN |
1803 | [2] = &fimc2_variant_s5pv210, |
1804 | }, | |
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1805 | .num_entities = 3, |
1806 | .lclk_frequency = 166000000UL, | |
1807 | }; | |
1808 | ||
1809 | /* S5PV310, S5PC210 */ | |
1810 | static struct samsung_fimc_driverdata fimc_drvdata_s5pv310 = { | |
1811 | .variant = { | |
1812 | [0] = &fimc0_variant_s5pv310, | |
1813 | [1] = &fimc0_variant_s5pv310, | |
1814 | [2] = &fimc0_variant_s5pv310, | |
1815 | [3] = &fimc2_variant_s5pv310, | |
1816 | }, | |
1817 | .num_entities = 4, | |
1818 | .lclk_frequency = 166000000UL, | |
5fd8f738 SN |
1819 | }; |
1820 | ||
1821 | static struct platform_device_id fimc_driver_ids[] = { | |
1822 | { | |
1823 | .name = "s5p-fimc", | |
1824 | .driver_data = (unsigned long)&fimc_drvdata_s5p, | |
1825 | }, { | |
1826 | .name = "s5pv210-fimc", | |
1827 | .driver_data = (unsigned long)&fimc_drvdata_s5pv210, | |
a7d5bbcf SN |
1828 | }, { |
1829 | .name = "s5pv310-fimc", | |
1830 | .driver_data = (unsigned long)&fimc_drvdata_s5pv310, | |
5fd8f738 SN |
1831 | }, |
1832 | {}, | |
1833 | }; | |
1834 | MODULE_DEVICE_TABLE(platform, fimc_driver_ids); | |
1835 | ||
1836 | static struct platform_driver fimc_driver = { | |
1837 | .probe = fimc_probe, | |
1838 | .remove = __devexit_p(fimc_remove), | |
1839 | .id_table = fimc_driver_ids, | |
1840 | .driver = { | |
1841 | .name = MODULE_NAME, | |
1842 | .owner = THIS_MODULE, | |
1843 | } | |
1844 | }; | |
1845 | ||
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1846 | static int __init fimc_init(void) |
1847 | { | |
548aafcd SN |
1848 | int ret = platform_driver_register(&fimc_driver); |
1849 | if (ret) | |
1850 | err("platform_driver_register failed: %d\n", ret); | |
1851 | return ret; | |
5fd8f738 SN |
1852 | } |
1853 | ||
1854 | static void __exit fimc_exit(void) | |
1855 | { | |
1856 | platform_driver_unregister(&fimc_driver); | |
1857 | } | |
1858 | ||
1859 | module_init(fimc_init); | |
1860 | module_exit(fimc_exit); | |
1861 | ||
5f3cc447 SN |
1862 | MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>"); |
1863 | MODULE_DESCRIPTION("S5P FIMC camera host interface/video postprocessor driver"); | |
5fd8f738 | 1864 | MODULE_LICENSE("GPL"); |