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45719127 AT |
1 | /* |
2 | * TI VPE mem2mem driver, based on the virtual v4l2-mem2mem example driver | |
3 | * | |
4 | * Copyright (c) 2013 Texas Instruments Inc. | |
5 | * David Griego, <dagriego@biglakesoftware.com> | |
6 | * Dale Farnsworth, <dale@farnsworth.org> | |
7 | * Archit Taneja, <archit@ti.com> | |
8 | * | |
9 | * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd. | |
10 | * Pawel Osciak, <pawel@osciak.com> | |
11 | * Marek Szyprowski, <m.szyprowski@samsung.com> | |
12 | * | |
13 | * Based on the virtual v4l2-mem2mem example device | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or modify it | |
16 | * under the terms of the GNU General Public License version 2 as published by | |
17 | * the Free Software Foundation | |
18 | */ | |
19 | ||
20 | #include <linux/delay.h> | |
21 | #include <linux/dma-mapping.h> | |
22 | #include <linux/err.h> | |
23 | #include <linux/fs.h> | |
24 | #include <linux/interrupt.h> | |
25 | #include <linux/io.h> | |
26 | #include <linux/ioctl.h> | |
27 | #include <linux/module.h> | |
47e604c5 | 28 | #include <linux/of.h> |
45719127 AT |
29 | #include <linux/platform_device.h> |
30 | #include <linux/pm_runtime.h> | |
31 | #include <linux/sched.h> | |
32 | #include <linux/slab.h> | |
33 | #include <linux/videodev2.h> | |
a51cd8f5 | 34 | #include <linux/log2.h> |
f3334180 | 35 | #include <linux/sizes.h> |
45719127 AT |
36 | |
37 | #include <media/v4l2-common.h> | |
38 | #include <media/v4l2-ctrls.h> | |
39 | #include <media/v4l2-device.h> | |
40 | #include <media/v4l2-event.h> | |
41 | #include <media/v4l2-ioctl.h> | |
42 | #include <media/v4l2-mem2mem.h> | |
43 | #include <media/videobuf2-core.h> | |
44 | #include <media/videobuf2-dma-contig.h> | |
45 | ||
46 | #include "vpdma.h" | |
47 | #include "vpe_regs.h" | |
44687b2e | 48 | #include "sc.h" |
6948082d | 49 | #include "csc.h" |
45719127 AT |
50 | |
51 | #define VPE_MODULE_NAME "vpe" | |
52 | ||
53 | /* minimum and maximum frame sizes */ | |
ce392fd7 AT |
54 | #define MIN_W 32 |
55 | #define MIN_H 32 | |
45719127 AT |
56 | #define MAX_W 1920 |
57 | #define MAX_H 1080 | |
58 | ||
59 | /* required alignments */ | |
60 | #define S_ALIGN 0 /* multiple of 1 */ | |
61 | #define H_ALIGN 1 /* multiple of 2 */ | |
45719127 AT |
62 | |
63 | /* flags that indicate a format can be used for capture/output */ | |
64 | #define VPE_FMT_TYPE_CAPTURE (1 << 0) | |
65 | #define VPE_FMT_TYPE_OUTPUT (1 << 1) | |
66 | ||
67 | /* used as plane indices */ | |
68 | #define VPE_MAX_PLANES 2 | |
69 | #define VPE_LUMA 0 | |
70 | #define VPE_CHROMA 1 | |
71 | ||
72 | /* per m2m context info */ | |
585e6f01 AT |
73 | #define VPE_MAX_SRC_BUFS 3 /* need 3 src fields to de-interlace */ |
74 | ||
45719127 AT |
75 | #define VPE_DEF_BUFS_PER_JOB 1 /* default one buffer per batch job */ |
76 | ||
77 | /* | |
47e604c5 | 78 | * each VPE context can need up to 3 config descriptors, 7 input descriptors, |
45719127 AT |
79 | * 3 output descriptors, and 10 control descriptors |
80 | */ | |
81 | #define VPE_DESC_LIST_SIZE (10 * VPDMA_DTD_DESC_SIZE + \ | |
82 | 13 * VPDMA_CFD_CTD_DESC_SIZE) | |
83 | ||
84 | #define vpe_dbg(vpedev, fmt, arg...) \ | |
85 | dev_dbg((vpedev)->v4l2_dev.dev, fmt, ##arg) | |
86 | #define vpe_err(vpedev, fmt, arg...) \ | |
87 | dev_err((vpedev)->v4l2_dev.dev, fmt, ##arg) | |
88 | ||
89 | struct vpe_us_coeffs { | |
90 | unsigned short anchor_fid0_c0; | |
91 | unsigned short anchor_fid0_c1; | |
92 | unsigned short anchor_fid0_c2; | |
93 | unsigned short anchor_fid0_c3; | |
94 | unsigned short interp_fid0_c0; | |
95 | unsigned short interp_fid0_c1; | |
96 | unsigned short interp_fid0_c2; | |
97 | unsigned short interp_fid0_c3; | |
98 | unsigned short anchor_fid1_c0; | |
99 | unsigned short anchor_fid1_c1; | |
100 | unsigned short anchor_fid1_c2; | |
101 | unsigned short anchor_fid1_c3; | |
102 | unsigned short interp_fid1_c0; | |
103 | unsigned short interp_fid1_c1; | |
104 | unsigned short interp_fid1_c2; | |
105 | unsigned short interp_fid1_c3; | |
106 | }; | |
107 | ||
108 | /* | |
109 | * Default upsampler coefficients | |
110 | */ | |
111 | static const struct vpe_us_coeffs us_coeffs[] = { | |
112 | { | |
113 | /* Coefficients for progressive input */ | |
114 | 0x00C8, 0x0348, 0x0018, 0x3FD8, 0x3FB8, 0x0378, 0x00E8, 0x3FE8, | |
115 | 0x00C8, 0x0348, 0x0018, 0x3FD8, 0x3FB8, 0x0378, 0x00E8, 0x3FE8, | |
116 | }, | |
585e6f01 AT |
117 | { |
118 | /* Coefficients for Top Field Interlaced input */ | |
119 | 0x0051, 0x03D5, 0x3FE3, 0x3FF7, 0x3FB5, 0x02E9, 0x018F, 0x3FD3, | |
120 | /* Coefficients for Bottom Field Interlaced input */ | |
121 | 0x016B, 0x0247, 0x00B1, 0x3F9D, 0x3FCF, 0x03DB, 0x005D, 0x3FF9, | |
122 | }, | |
123 | }; | |
124 | ||
125 | /* | |
126 | * the following registers are for configuring some of the parameters of the | |
127 | * motion and edge detection blocks inside DEI, these generally remain the same, | |
128 | * these could be passed later via userspace if some one needs to tweak these. | |
129 | */ | |
130 | struct vpe_dei_regs { | |
131 | unsigned long mdt_spacial_freq_thr_reg; /* VPE_DEI_REG2 */ | |
132 | unsigned long edi_config_reg; /* VPE_DEI_REG3 */ | |
133 | unsigned long edi_lut_reg0; /* VPE_DEI_REG4 */ | |
134 | unsigned long edi_lut_reg1; /* VPE_DEI_REG5 */ | |
135 | unsigned long edi_lut_reg2; /* VPE_DEI_REG6 */ | |
136 | unsigned long edi_lut_reg3; /* VPE_DEI_REG7 */ | |
137 | }; | |
138 | ||
139 | /* | |
140 | * default expert DEI register values, unlikely to be modified. | |
141 | */ | |
142 | static const struct vpe_dei_regs dei_regs = { | |
1148f6fd JL |
143 | .mdt_spacial_freq_thr_reg = 0x020C0804u, |
144 | .edi_config_reg = 0x0118100Fu, | |
145 | .edi_lut_reg0 = 0x08040200u, | |
146 | .edi_lut_reg1 = 0x1010100Cu, | |
147 | .edi_lut_reg2 = 0x10101010u, | |
148 | .edi_lut_reg3 = 0x10101010u, | |
45719127 AT |
149 | }; |
150 | ||
151 | /* | |
152 | * The port_data structure contains per-port data. | |
153 | */ | |
154 | struct vpe_port_data { | |
155 | enum vpdma_channel channel; /* VPDMA channel */ | |
585e6f01 | 156 | u8 vb_index; /* input frame f, f-1, f-2 index */ |
45719127 AT |
157 | u8 vb_part; /* plane index for co-panar formats */ |
158 | }; | |
159 | ||
160 | /* | |
161 | * Define indices into the port_data tables | |
162 | */ | |
163 | #define VPE_PORT_LUMA1_IN 0 | |
164 | #define VPE_PORT_CHROMA1_IN 1 | |
585e6f01 AT |
165 | #define VPE_PORT_LUMA2_IN 2 |
166 | #define VPE_PORT_CHROMA2_IN 3 | |
167 | #define VPE_PORT_LUMA3_IN 4 | |
168 | #define VPE_PORT_CHROMA3_IN 5 | |
169 | #define VPE_PORT_MV_IN 6 | |
170 | #define VPE_PORT_MV_OUT 7 | |
45719127 AT |
171 | #define VPE_PORT_LUMA_OUT 8 |
172 | #define VPE_PORT_CHROMA_OUT 9 | |
173 | #define VPE_PORT_RGB_OUT 10 | |
174 | ||
175 | static const struct vpe_port_data port_data[11] = { | |
176 | [VPE_PORT_LUMA1_IN] = { | |
177 | .channel = VPE_CHAN_LUMA1_IN, | |
585e6f01 | 178 | .vb_index = 0, |
45719127 AT |
179 | .vb_part = VPE_LUMA, |
180 | }, | |
181 | [VPE_PORT_CHROMA1_IN] = { | |
182 | .channel = VPE_CHAN_CHROMA1_IN, | |
585e6f01 AT |
183 | .vb_index = 0, |
184 | .vb_part = VPE_CHROMA, | |
185 | }, | |
186 | [VPE_PORT_LUMA2_IN] = { | |
187 | .channel = VPE_CHAN_LUMA2_IN, | |
188 | .vb_index = 1, | |
189 | .vb_part = VPE_LUMA, | |
190 | }, | |
191 | [VPE_PORT_CHROMA2_IN] = { | |
192 | .channel = VPE_CHAN_CHROMA2_IN, | |
193 | .vb_index = 1, | |
194 | .vb_part = VPE_CHROMA, | |
195 | }, | |
196 | [VPE_PORT_LUMA3_IN] = { | |
197 | .channel = VPE_CHAN_LUMA3_IN, | |
198 | .vb_index = 2, | |
199 | .vb_part = VPE_LUMA, | |
200 | }, | |
201 | [VPE_PORT_CHROMA3_IN] = { | |
202 | .channel = VPE_CHAN_CHROMA3_IN, | |
203 | .vb_index = 2, | |
45719127 AT |
204 | .vb_part = VPE_CHROMA, |
205 | }, | |
585e6f01 AT |
206 | [VPE_PORT_MV_IN] = { |
207 | .channel = VPE_CHAN_MV_IN, | |
208 | }, | |
209 | [VPE_PORT_MV_OUT] = { | |
210 | .channel = VPE_CHAN_MV_OUT, | |
211 | }, | |
45719127 AT |
212 | [VPE_PORT_LUMA_OUT] = { |
213 | .channel = VPE_CHAN_LUMA_OUT, | |
214 | .vb_part = VPE_LUMA, | |
215 | }, | |
216 | [VPE_PORT_CHROMA_OUT] = { | |
217 | .channel = VPE_CHAN_CHROMA_OUT, | |
218 | .vb_part = VPE_CHROMA, | |
219 | }, | |
220 | [VPE_PORT_RGB_OUT] = { | |
221 | .channel = VPE_CHAN_RGB_OUT, | |
222 | .vb_part = VPE_LUMA, | |
223 | }, | |
224 | }; | |
225 | ||
226 | ||
227 | /* driver info for each of the supported video formats */ | |
228 | struct vpe_fmt { | |
229 | char *name; /* human-readable name */ | |
230 | u32 fourcc; /* standard format identifier */ | |
231 | u8 types; /* CAPTURE and/or OUTPUT */ | |
232 | u8 coplanar; /* set for unpacked Luma and Chroma */ | |
233 | /* vpdma format info for each plane */ | |
234 | struct vpdma_data_format const *vpdma_fmt[VPE_MAX_PLANES]; | |
235 | }; | |
236 | ||
237 | static struct vpe_fmt vpe_formats[] = { | |
238 | { | |
239 | .name = "YUV 422 co-planar", | |
240 | .fourcc = V4L2_PIX_FMT_NV16, | |
241 | .types = VPE_FMT_TYPE_CAPTURE | VPE_FMT_TYPE_OUTPUT, | |
242 | .coplanar = 1, | |
243 | .vpdma_fmt = { &vpdma_yuv_fmts[VPDMA_DATA_FMT_Y444], | |
244 | &vpdma_yuv_fmts[VPDMA_DATA_FMT_C444], | |
245 | }, | |
246 | }, | |
247 | { | |
248 | .name = "YUV 420 co-planar", | |
249 | .fourcc = V4L2_PIX_FMT_NV12, | |
250 | .types = VPE_FMT_TYPE_CAPTURE | VPE_FMT_TYPE_OUTPUT, | |
251 | .coplanar = 1, | |
252 | .vpdma_fmt = { &vpdma_yuv_fmts[VPDMA_DATA_FMT_Y420], | |
253 | &vpdma_yuv_fmts[VPDMA_DATA_FMT_C420], | |
254 | }, | |
255 | }, | |
256 | { | |
257 | .name = "YUYV 422 packed", | |
258 | .fourcc = V4L2_PIX_FMT_YUYV, | |
259 | .types = VPE_FMT_TYPE_CAPTURE | VPE_FMT_TYPE_OUTPUT, | |
260 | .coplanar = 0, | |
261 | .vpdma_fmt = { &vpdma_yuv_fmts[VPDMA_DATA_FMT_YC422], | |
262 | }, | |
263 | }, | |
264 | { | |
265 | .name = "UYVY 422 packed", | |
266 | .fourcc = V4L2_PIX_FMT_UYVY, | |
267 | .types = VPE_FMT_TYPE_CAPTURE | VPE_FMT_TYPE_OUTPUT, | |
268 | .coplanar = 0, | |
269 | .vpdma_fmt = { &vpdma_yuv_fmts[VPDMA_DATA_FMT_CY422], | |
270 | }, | |
271 | }, | |
30496799 AT |
272 | { |
273 | .name = "RGB888 packed", | |
274 | .fourcc = V4L2_PIX_FMT_RGB24, | |
275 | .types = VPE_FMT_TYPE_CAPTURE, | |
276 | .coplanar = 0, | |
277 | .vpdma_fmt = { &vpdma_rgb_fmts[VPDMA_DATA_FMT_RGB24], | |
278 | }, | |
279 | }, | |
280 | { | |
281 | .name = "ARGB32", | |
282 | .fourcc = V4L2_PIX_FMT_RGB32, | |
283 | .types = VPE_FMT_TYPE_CAPTURE, | |
284 | .coplanar = 0, | |
285 | .vpdma_fmt = { &vpdma_rgb_fmts[VPDMA_DATA_FMT_ARGB32], | |
286 | }, | |
287 | }, | |
288 | { | |
289 | .name = "BGR888 packed", | |
290 | .fourcc = V4L2_PIX_FMT_BGR24, | |
291 | .types = VPE_FMT_TYPE_CAPTURE, | |
292 | .coplanar = 0, | |
293 | .vpdma_fmt = { &vpdma_rgb_fmts[VPDMA_DATA_FMT_BGR24], | |
294 | }, | |
295 | }, | |
296 | { | |
297 | .name = "ABGR32", | |
298 | .fourcc = V4L2_PIX_FMT_BGR32, | |
299 | .types = VPE_FMT_TYPE_CAPTURE, | |
300 | .coplanar = 0, | |
301 | .vpdma_fmt = { &vpdma_rgb_fmts[VPDMA_DATA_FMT_ABGR32], | |
302 | }, | |
303 | }, | |
45719127 AT |
304 | }; |
305 | ||
306 | /* | |
307 | * per-queue, driver-specific private data. | |
308 | * there is one source queue and one destination queue for each m2m context. | |
309 | */ | |
310 | struct vpe_q_data { | |
311 | unsigned int width; /* frame width */ | |
312 | unsigned int height; /* frame height */ | |
313 | unsigned int bytesperline[VPE_MAX_PLANES]; /* bytes per line in memory */ | |
314 | enum v4l2_colorspace colorspace; | |
585e6f01 | 315 | enum v4l2_field field; /* supported field value */ |
45719127 AT |
316 | unsigned int flags; |
317 | unsigned int sizeimage[VPE_MAX_PLANES]; /* image size in memory */ | |
318 | struct v4l2_rect c_rect; /* crop/compose rectangle */ | |
319 | struct vpe_fmt *fmt; /* format info */ | |
320 | }; | |
321 | ||
322 | /* vpe_q_data flag bits */ | |
323 | #define Q_DATA_FRAME_1D (1 << 0) | |
324 | #define Q_DATA_MODE_TILED (1 << 1) | |
585e6f01 | 325 | #define Q_DATA_INTERLACED (1 << 2) |
45719127 AT |
326 | |
327 | enum { | |
328 | Q_DATA_SRC = 0, | |
329 | Q_DATA_DST = 1, | |
330 | }; | |
331 | ||
332 | /* find our format description corresponding to the passed v4l2_format */ | |
333 | static struct vpe_fmt *find_format(struct v4l2_format *f) | |
334 | { | |
335 | struct vpe_fmt *fmt; | |
336 | unsigned int k; | |
337 | ||
338 | for (k = 0; k < ARRAY_SIZE(vpe_formats); k++) { | |
339 | fmt = &vpe_formats[k]; | |
340 | if (fmt->fourcc == f->fmt.pix.pixelformat) | |
341 | return fmt; | |
342 | } | |
343 | ||
344 | return NULL; | |
345 | } | |
346 | ||
347 | /* | |
348 | * there is one vpe_dev structure in the driver, it is shared by | |
349 | * all instances. | |
350 | */ | |
351 | struct vpe_dev { | |
352 | struct v4l2_device v4l2_dev; | |
353 | struct video_device vfd; | |
354 | struct v4l2_m2m_dev *m2m_dev; | |
355 | ||
356 | atomic_t num_instances; /* count of driver instances */ | |
357 | dma_addr_t loaded_mmrs; /* shadow mmrs in device */ | |
358 | struct mutex dev_mutex; | |
359 | spinlock_t lock; | |
360 | ||
361 | int irq; | |
362 | void __iomem *base; | |
44687b2e | 363 | struct resource *res; |
45719127 AT |
364 | |
365 | struct vb2_alloc_ctx *alloc_ctx; | |
366 | struct vpdma_data *vpdma; /* vpdma data handle */ | |
44687b2e | 367 | struct sc_data *sc; /* scaler data handle */ |
6948082d | 368 | struct csc_data *csc; /* csc data handle */ |
45719127 AT |
369 | }; |
370 | ||
371 | /* | |
372 | * There is one vpe_ctx structure for each m2m context. | |
373 | */ | |
374 | struct vpe_ctx { | |
375 | struct v4l2_fh fh; | |
376 | struct vpe_dev *dev; | |
45719127 AT |
377 | struct v4l2_ctrl_handler hdl; |
378 | ||
585e6f01 | 379 | unsigned int field; /* current field */ |
45719127 AT |
380 | unsigned int sequence; /* current frame/field seq */ |
381 | unsigned int aborting; /* abort after next irq */ | |
382 | ||
383 | unsigned int bufs_per_job; /* input buffers per batch */ | |
384 | unsigned int bufs_completed; /* bufs done in this batch */ | |
385 | ||
386 | struct vpe_q_data q_data[2]; /* src & dst queue data */ | |
585e6f01 | 387 | struct vb2_buffer *src_vbs[VPE_MAX_SRC_BUFS]; |
45719127 AT |
388 | struct vb2_buffer *dst_vb; |
389 | ||
585e6f01 AT |
390 | dma_addr_t mv_buf_dma[2]; /* dma addrs of motion vector in/out bufs */ |
391 | void *mv_buf[2]; /* virtual addrs of motion vector bufs */ | |
392 | size_t mv_buf_size; /* current motion vector buffer size */ | |
45719127 | 393 | struct vpdma_buf mmr_adb; /* shadow reg addr/data block */ |
773f0657 AT |
394 | struct vpdma_buf sc_coeff_h; /* h coeff buffer */ |
395 | struct vpdma_buf sc_coeff_v; /* v coeff buffer */ | |
45719127 AT |
396 | struct vpdma_desc_list desc_list; /* DMA descriptor list */ |
397 | ||
585e6f01 | 398 | bool deinterlacing; /* using de-interlacer */ |
45719127 | 399 | bool load_mmrs; /* have new shadow reg values */ |
585e6f01 AT |
400 | |
401 | unsigned int src_mv_buf_selector; | |
45719127 AT |
402 | }; |
403 | ||
404 | ||
405 | /* | |
406 | * M2M devices get 2 queues. | |
407 | * Return the queue given the type. | |
408 | */ | |
409 | static struct vpe_q_data *get_q_data(struct vpe_ctx *ctx, | |
410 | enum v4l2_buf_type type) | |
411 | { | |
412 | switch (type) { | |
413 | case V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE: | |
2ef114f6 | 414 | case V4L2_BUF_TYPE_VIDEO_OUTPUT: |
45719127 AT |
415 | return &ctx->q_data[Q_DATA_SRC]; |
416 | case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: | |
2ef114f6 | 417 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
45719127 AT |
418 | return &ctx->q_data[Q_DATA_DST]; |
419 | default: | |
420 | BUG(); | |
421 | } | |
422 | return NULL; | |
423 | } | |
424 | ||
425 | static u32 read_reg(struct vpe_dev *dev, int offset) | |
426 | { | |
427 | return ioread32(dev->base + offset); | |
428 | } | |
429 | ||
430 | static void write_reg(struct vpe_dev *dev, int offset, u32 value) | |
431 | { | |
432 | iowrite32(value, dev->base + offset); | |
433 | } | |
434 | ||
435 | /* register field read/write helpers */ | |
436 | static int get_field(u32 value, u32 mask, int shift) | |
437 | { | |
438 | return (value & (mask << shift)) >> shift; | |
439 | } | |
440 | ||
441 | static int read_field_reg(struct vpe_dev *dev, int offset, u32 mask, int shift) | |
442 | { | |
443 | return get_field(read_reg(dev, offset), mask, shift); | |
444 | } | |
445 | ||
446 | static void write_field(u32 *valp, u32 field, u32 mask, int shift) | |
447 | { | |
448 | u32 val = *valp; | |
449 | ||
450 | val &= ~(mask << shift); | |
451 | val |= (field & mask) << shift; | |
452 | *valp = val; | |
453 | } | |
454 | ||
455 | static void write_field_reg(struct vpe_dev *dev, int offset, u32 field, | |
456 | u32 mask, int shift) | |
457 | { | |
458 | u32 val = read_reg(dev, offset); | |
459 | ||
460 | write_field(&val, field, mask, shift); | |
461 | ||
462 | write_reg(dev, offset, val); | |
463 | } | |
464 | ||
465 | /* | |
466 | * DMA address/data block for the shadow registers | |
467 | */ | |
468 | struct vpe_mmr_adb { | |
469 | struct vpdma_adb_hdr out_fmt_hdr; | |
470 | u32 out_fmt_reg[1]; | |
471 | u32 out_fmt_pad[3]; | |
472 | struct vpdma_adb_hdr us1_hdr; | |
473 | u32 us1_regs[8]; | |
474 | struct vpdma_adb_hdr us2_hdr; | |
475 | u32 us2_regs[8]; | |
476 | struct vpdma_adb_hdr us3_hdr; | |
477 | u32 us3_regs[8]; | |
478 | struct vpdma_adb_hdr dei_hdr; | |
585e6f01 | 479 | u32 dei_regs[8]; |
bbee8b39 AT |
480 | struct vpdma_adb_hdr sc_hdr0; |
481 | u32 sc_regs0[7]; | |
482 | u32 sc_pad0[1]; | |
483 | struct vpdma_adb_hdr sc_hdr8; | |
484 | u32 sc_regs8[6]; | |
485 | u32 sc_pad8[2]; | |
486 | struct vpdma_adb_hdr sc_hdr17; | |
487 | u32 sc_regs17[9]; | |
488 | u32 sc_pad17[3]; | |
45719127 AT |
489 | struct vpdma_adb_hdr csc_hdr; |
490 | u32 csc_regs[6]; | |
491 | u32 csc_pad[2]; | |
492 | }; | |
493 | ||
44687b2e AT |
494 | #define GET_OFFSET_TOP(ctx, obj, reg) \ |
495 | ((obj)->res->start - ctx->dev->res->start + reg) | |
496 | ||
45719127 AT |
497 | #define VPE_SET_MMR_ADB_HDR(ctx, hdr, regs, offset_a) \ |
498 | VPDMA_SET_MMR_ADB_HDR(ctx->mmr_adb, vpe_mmr_adb, hdr, regs, offset_a) | |
499 | /* | |
500 | * Set the headers for all of the address/data block structures. | |
501 | */ | |
502 | static void init_adb_hdrs(struct vpe_ctx *ctx) | |
503 | { | |
504 | VPE_SET_MMR_ADB_HDR(ctx, out_fmt_hdr, out_fmt_reg, VPE_CLK_FORMAT_SELECT); | |
505 | VPE_SET_MMR_ADB_HDR(ctx, us1_hdr, us1_regs, VPE_US1_R0); | |
506 | VPE_SET_MMR_ADB_HDR(ctx, us2_hdr, us2_regs, VPE_US2_R0); | |
507 | VPE_SET_MMR_ADB_HDR(ctx, us3_hdr, us3_regs, VPE_US3_R0); | |
508 | VPE_SET_MMR_ADB_HDR(ctx, dei_hdr, dei_regs, VPE_DEI_FRAME_SIZE); | |
bbee8b39 | 509 | VPE_SET_MMR_ADB_HDR(ctx, sc_hdr0, sc_regs0, |
44687b2e | 510 | GET_OFFSET_TOP(ctx, ctx->dev->sc, CFG_SC0)); |
bbee8b39 AT |
511 | VPE_SET_MMR_ADB_HDR(ctx, sc_hdr8, sc_regs8, |
512 | GET_OFFSET_TOP(ctx, ctx->dev->sc, CFG_SC8)); | |
513 | VPE_SET_MMR_ADB_HDR(ctx, sc_hdr17, sc_regs17, | |
514 | GET_OFFSET_TOP(ctx, ctx->dev->sc, CFG_SC17)); | |
6948082d AT |
515 | VPE_SET_MMR_ADB_HDR(ctx, csc_hdr, csc_regs, |
516 | GET_OFFSET_TOP(ctx, ctx->dev->csc, CSC_CSC00)); | |
45719127 AT |
517 | }; |
518 | ||
585e6f01 AT |
519 | /* |
520 | * Allocate or re-allocate the motion vector DMA buffers | |
521 | * There are two buffers, one for input and one for output. | |
522 | * However, the roles are reversed after each field is processed. | |
523 | * In other words, after each field is processed, the previous | |
524 | * output (dst) MV buffer becomes the new input (src) MV buffer. | |
525 | */ | |
526 | static int realloc_mv_buffers(struct vpe_ctx *ctx, size_t size) | |
527 | { | |
528 | struct device *dev = ctx->dev->v4l2_dev.dev; | |
529 | ||
530 | if (ctx->mv_buf_size == size) | |
531 | return 0; | |
532 | ||
533 | if (ctx->mv_buf[0]) | |
534 | dma_free_coherent(dev, ctx->mv_buf_size, ctx->mv_buf[0], | |
535 | ctx->mv_buf_dma[0]); | |
536 | ||
537 | if (ctx->mv_buf[1]) | |
538 | dma_free_coherent(dev, ctx->mv_buf_size, ctx->mv_buf[1], | |
539 | ctx->mv_buf_dma[1]); | |
540 | ||
541 | if (size == 0) | |
542 | return 0; | |
543 | ||
544 | ctx->mv_buf[0] = dma_alloc_coherent(dev, size, &ctx->mv_buf_dma[0], | |
545 | GFP_KERNEL); | |
546 | if (!ctx->mv_buf[0]) { | |
547 | vpe_err(ctx->dev, "failed to allocate motion vector buffer\n"); | |
548 | return -ENOMEM; | |
549 | } | |
550 | ||
551 | ctx->mv_buf[1] = dma_alloc_coherent(dev, size, &ctx->mv_buf_dma[1], | |
552 | GFP_KERNEL); | |
553 | if (!ctx->mv_buf[1]) { | |
554 | vpe_err(ctx->dev, "failed to allocate motion vector buffer\n"); | |
555 | dma_free_coherent(dev, size, ctx->mv_buf[0], | |
556 | ctx->mv_buf_dma[0]); | |
557 | ||
558 | return -ENOMEM; | |
559 | } | |
560 | ||
561 | ctx->mv_buf_size = size; | |
562 | ctx->src_mv_buf_selector = 0; | |
563 | ||
564 | return 0; | |
565 | } | |
566 | ||
567 | static void free_mv_buffers(struct vpe_ctx *ctx) | |
568 | { | |
569 | realloc_mv_buffers(ctx, 0); | |
570 | } | |
571 | ||
572 | /* | |
573 | * While de-interlacing, we keep the two most recent input buffers | |
574 | * around. This function frees those two buffers when we have | |
575 | * finished processing the current stream. | |
576 | */ | |
577 | static void free_vbs(struct vpe_ctx *ctx) | |
578 | { | |
579 | struct vpe_dev *dev = ctx->dev; | |
580 | unsigned long flags; | |
581 | ||
582 | if (ctx->src_vbs[2] == NULL) | |
583 | return; | |
584 | ||
585 | spin_lock_irqsave(&dev->lock, flags); | |
586 | if (ctx->src_vbs[2]) { | |
587 | v4l2_m2m_buf_done(ctx->src_vbs[2], VB2_BUF_STATE_DONE); | |
588 | v4l2_m2m_buf_done(ctx->src_vbs[1], VB2_BUF_STATE_DONE); | |
589 | } | |
590 | spin_unlock_irqrestore(&dev->lock, flags); | |
591 | } | |
592 | ||
45719127 AT |
593 | /* |
594 | * Enable or disable the VPE clocks | |
595 | */ | |
596 | static void vpe_set_clock_enable(struct vpe_dev *dev, bool on) | |
597 | { | |
598 | u32 val = 0; | |
599 | ||
600 | if (on) | |
601 | val = VPE_DATA_PATH_CLK_ENABLE | VPE_VPEDMA_CLK_ENABLE; | |
602 | write_reg(dev, VPE_CLK_ENABLE, val); | |
603 | } | |
604 | ||
605 | static void vpe_top_reset(struct vpe_dev *dev) | |
606 | { | |
607 | ||
608 | write_field_reg(dev, VPE_CLK_RESET, 1, VPE_DATA_PATH_CLK_RESET_MASK, | |
609 | VPE_DATA_PATH_CLK_RESET_SHIFT); | |
610 | ||
611 | usleep_range(100, 150); | |
612 | ||
613 | write_field_reg(dev, VPE_CLK_RESET, 0, VPE_DATA_PATH_CLK_RESET_MASK, | |
614 | VPE_DATA_PATH_CLK_RESET_SHIFT); | |
615 | } | |
616 | ||
617 | static void vpe_top_vpdma_reset(struct vpe_dev *dev) | |
618 | { | |
619 | write_field_reg(dev, VPE_CLK_RESET, 1, VPE_VPDMA_CLK_RESET_MASK, | |
620 | VPE_VPDMA_CLK_RESET_SHIFT); | |
621 | ||
622 | usleep_range(100, 150); | |
623 | ||
624 | write_field_reg(dev, VPE_CLK_RESET, 0, VPE_VPDMA_CLK_RESET_MASK, | |
625 | VPE_VPDMA_CLK_RESET_SHIFT); | |
626 | } | |
627 | ||
628 | /* | |
629 | * Load the correct of upsampler coefficients into the shadow MMRs | |
630 | */ | |
631 | static void set_us_coefficients(struct vpe_ctx *ctx) | |
632 | { | |
633 | struct vpe_mmr_adb *mmr_adb = ctx->mmr_adb.addr; | |
585e6f01 | 634 | struct vpe_q_data *s_q_data = &ctx->q_data[Q_DATA_SRC]; |
45719127 AT |
635 | u32 *us1_reg = &mmr_adb->us1_regs[0]; |
636 | u32 *us2_reg = &mmr_adb->us2_regs[0]; | |
637 | u32 *us3_reg = &mmr_adb->us3_regs[0]; | |
638 | const unsigned short *cp, *end_cp; | |
639 | ||
640 | cp = &us_coeffs[0].anchor_fid0_c0; | |
641 | ||
585e6f01 AT |
642 | if (s_q_data->flags & Q_DATA_INTERLACED) /* interlaced */ |
643 | cp += sizeof(us_coeffs[0]) / sizeof(*cp); | |
644 | ||
45719127 AT |
645 | end_cp = cp + sizeof(us_coeffs[0]) / sizeof(*cp); |
646 | ||
647 | while (cp < end_cp) { | |
648 | write_field(us1_reg, *cp++, VPE_US_C0_MASK, VPE_US_C0_SHIFT); | |
649 | write_field(us1_reg, *cp++, VPE_US_C1_MASK, VPE_US_C1_SHIFT); | |
650 | *us2_reg++ = *us1_reg; | |
651 | *us3_reg++ = *us1_reg++; | |
652 | } | |
653 | ctx->load_mmrs = true; | |
654 | } | |
655 | ||
656 | /* | |
657 | * Set the upsampler config mode and the VPDMA line mode in the shadow MMRs. | |
658 | */ | |
659 | static void set_cfg_and_line_modes(struct vpe_ctx *ctx) | |
660 | { | |
661 | struct vpe_fmt *fmt = ctx->q_data[Q_DATA_SRC].fmt; | |
662 | struct vpe_mmr_adb *mmr_adb = ctx->mmr_adb.addr; | |
663 | u32 *us1_reg0 = &mmr_adb->us1_regs[0]; | |
664 | u32 *us2_reg0 = &mmr_adb->us2_regs[0]; | |
665 | u32 *us3_reg0 = &mmr_adb->us3_regs[0]; | |
666 | int line_mode = 1; | |
667 | int cfg_mode = 1; | |
668 | ||
669 | /* | |
670 | * Cfg Mode 0: YUV420 source, enable upsampler, DEI is de-interlacing. | |
671 | * Cfg Mode 1: YUV422 source, disable upsampler, DEI is de-interlacing. | |
672 | */ | |
673 | ||
674 | if (fmt->fourcc == V4L2_PIX_FMT_NV12) { | |
675 | cfg_mode = 0; | |
676 | line_mode = 0; /* double lines to line buffer */ | |
677 | } | |
678 | ||
679 | write_field(us1_reg0, cfg_mode, VPE_US_MODE_MASK, VPE_US_MODE_SHIFT); | |
680 | write_field(us2_reg0, cfg_mode, VPE_US_MODE_MASK, VPE_US_MODE_SHIFT); | |
681 | write_field(us3_reg0, cfg_mode, VPE_US_MODE_MASK, VPE_US_MODE_SHIFT); | |
682 | ||
683 | /* regs for now */ | |
684 | vpdma_set_line_mode(ctx->dev->vpdma, line_mode, VPE_CHAN_CHROMA1_IN); | |
585e6f01 AT |
685 | vpdma_set_line_mode(ctx->dev->vpdma, line_mode, VPE_CHAN_CHROMA2_IN); |
686 | vpdma_set_line_mode(ctx->dev->vpdma, line_mode, VPE_CHAN_CHROMA3_IN); | |
45719127 AT |
687 | |
688 | /* frame start for input luma */ | |
689 | vpdma_set_frame_start_event(ctx->dev->vpdma, VPDMA_FSEVENT_CHANNEL_ACTIVE, | |
690 | VPE_CHAN_LUMA1_IN); | |
585e6f01 AT |
691 | vpdma_set_frame_start_event(ctx->dev->vpdma, VPDMA_FSEVENT_CHANNEL_ACTIVE, |
692 | VPE_CHAN_LUMA2_IN); | |
693 | vpdma_set_frame_start_event(ctx->dev->vpdma, VPDMA_FSEVENT_CHANNEL_ACTIVE, | |
694 | VPE_CHAN_LUMA3_IN); | |
45719127 AT |
695 | |
696 | /* frame start for input chroma */ | |
697 | vpdma_set_frame_start_event(ctx->dev->vpdma, VPDMA_FSEVENT_CHANNEL_ACTIVE, | |
698 | VPE_CHAN_CHROMA1_IN); | |
585e6f01 AT |
699 | vpdma_set_frame_start_event(ctx->dev->vpdma, VPDMA_FSEVENT_CHANNEL_ACTIVE, |
700 | VPE_CHAN_CHROMA2_IN); | |
701 | vpdma_set_frame_start_event(ctx->dev->vpdma, VPDMA_FSEVENT_CHANNEL_ACTIVE, | |
702 | VPE_CHAN_CHROMA3_IN); | |
703 | ||
704 | /* frame start for MV in client */ | |
705 | vpdma_set_frame_start_event(ctx->dev->vpdma, VPDMA_FSEVENT_CHANNEL_ACTIVE, | |
706 | VPE_CHAN_MV_IN); | |
45719127 AT |
707 | |
708 | ctx->load_mmrs = true; | |
709 | } | |
710 | ||
711 | /* | |
712 | * Set the shadow registers that are modified when the source | |
713 | * format changes. | |
714 | */ | |
715 | static void set_src_registers(struct vpe_ctx *ctx) | |
716 | { | |
717 | set_us_coefficients(ctx); | |
718 | } | |
719 | ||
720 | /* | |
721 | * Set the shadow registers that are modified when the destination | |
722 | * format changes. | |
723 | */ | |
724 | static void set_dst_registers(struct vpe_ctx *ctx) | |
725 | { | |
726 | struct vpe_mmr_adb *mmr_adb = ctx->mmr_adb.addr; | |
30496799 | 727 | enum v4l2_colorspace clrspc = ctx->q_data[Q_DATA_DST].colorspace; |
45719127 AT |
728 | struct vpe_fmt *fmt = ctx->q_data[Q_DATA_DST].fmt; |
729 | u32 val = 0; | |
730 | ||
30496799 AT |
731 | if (clrspc == V4L2_COLORSPACE_SRGB) |
732 | val |= VPE_RGB_OUT_SELECT; | |
45719127 AT |
733 | else if (fmt->fourcc == V4L2_PIX_FMT_NV16) |
734 | val |= VPE_COLOR_SEPARATE_422; | |
735 | ||
30496799 AT |
736 | /* |
737 | * the source of CHR_DS and CSC is always the scaler, irrespective of | |
738 | * whether it's used or not | |
739 | */ | |
740 | val |= VPE_DS_SRC_DEI_SCALER | VPE_CSC_SRC_DEI_SCALER; | |
45719127 AT |
741 | |
742 | if (fmt->fourcc != V4L2_PIX_FMT_NV12) | |
743 | val |= VPE_DS_BYPASS; | |
744 | ||
745 | mmr_adb->out_fmt_reg[0] = val; | |
746 | ||
747 | ctx->load_mmrs = true; | |
748 | } | |
749 | ||
750 | /* | |
751 | * Set the de-interlacer shadow register values | |
752 | */ | |
585e6f01 | 753 | static void set_dei_regs(struct vpe_ctx *ctx) |
45719127 AT |
754 | { |
755 | struct vpe_mmr_adb *mmr_adb = ctx->mmr_adb.addr; | |
756 | struct vpe_q_data *s_q_data = &ctx->q_data[Q_DATA_SRC]; | |
757 | unsigned int src_h = s_q_data->c_rect.height; | |
758 | unsigned int src_w = s_q_data->c_rect.width; | |
759 | u32 *dei_mmr0 = &mmr_adb->dei_regs[0]; | |
585e6f01 | 760 | bool deinterlace = true; |
45719127 AT |
761 | u32 val = 0; |
762 | ||
763 | /* | |
764 | * according to TRM, we should set DEI in progressive bypass mode when | |
765 | * the input content is progressive, however, DEI is bypassed correctly | |
766 | * for both progressive and interlace content in interlace bypass mode. | |
767 | * It has been recommended not to use progressive bypass mode. | |
768 | */ | |
585e6f01 AT |
769 | if ((!ctx->deinterlacing && (s_q_data->flags & Q_DATA_INTERLACED)) || |
770 | !(s_q_data->flags & Q_DATA_INTERLACED)) { | |
771 | deinterlace = false; | |
772 | val = VPE_DEI_INTERLACE_BYPASS; | |
773 | } | |
774 | ||
775 | src_h = deinterlace ? src_h * 2 : src_h; | |
45719127 AT |
776 | |
777 | val |= (src_h << VPE_DEI_HEIGHT_SHIFT) | | |
778 | (src_w << VPE_DEI_WIDTH_SHIFT) | | |
779 | VPE_DEI_FIELD_FLUSH; | |
780 | ||
781 | *dei_mmr0 = val; | |
782 | ||
783 | ctx->load_mmrs = true; | |
784 | } | |
785 | ||
585e6f01 AT |
786 | static void set_dei_shadow_registers(struct vpe_ctx *ctx) |
787 | { | |
788 | struct vpe_mmr_adb *mmr_adb = ctx->mmr_adb.addr; | |
789 | u32 *dei_mmr = &mmr_adb->dei_regs[0]; | |
790 | const struct vpe_dei_regs *cur = &dei_regs; | |
791 | ||
792 | dei_mmr[2] = cur->mdt_spacial_freq_thr_reg; | |
793 | dei_mmr[3] = cur->edi_config_reg; | |
794 | dei_mmr[4] = cur->edi_lut_reg0; | |
795 | dei_mmr[5] = cur->edi_lut_reg1; | |
796 | dei_mmr[6] = cur->edi_lut_reg2; | |
797 | dei_mmr[7] = cur->edi_lut_reg3; | |
798 | ||
799 | ctx->load_mmrs = true; | |
800 | } | |
801 | ||
45719127 AT |
802 | /* |
803 | * Set the shadow registers whose values are modified when either the | |
804 | * source or destination format is changed. | |
805 | */ | |
806 | static int set_srcdst_params(struct vpe_ctx *ctx) | |
807 | { | |
585e6f01 AT |
808 | struct vpe_q_data *s_q_data = &ctx->q_data[Q_DATA_SRC]; |
809 | struct vpe_q_data *d_q_data = &ctx->q_data[Q_DATA_DST]; | |
44687b2e | 810 | struct vpe_mmr_adb *mmr_adb = ctx->mmr_adb.addr; |
773f0657 AT |
811 | unsigned int src_w = s_q_data->c_rect.width; |
812 | unsigned int src_h = s_q_data->c_rect.height; | |
813 | unsigned int dst_w = d_q_data->c_rect.width; | |
814 | unsigned int dst_h = d_q_data->c_rect.height; | |
585e6f01 AT |
815 | size_t mv_buf_size; |
816 | int ret; | |
817 | ||
45719127 | 818 | ctx->sequence = 0; |
585e6f01 AT |
819 | ctx->field = V4L2_FIELD_TOP; |
820 | ||
821 | if ((s_q_data->flags & Q_DATA_INTERLACED) && | |
822 | !(d_q_data->flags & Q_DATA_INTERLACED)) { | |
a51cd8f5 | 823 | int bytes_per_line; |
585e6f01 AT |
824 | const struct vpdma_data_format *mv = |
825 | &vpdma_misc_fmts[VPDMA_DATA_FMT_MV]; | |
826 | ||
a51cd8f5 AT |
827 | /* |
828 | * we make sure that the source image has a 16 byte aligned | |
829 | * stride, we need to do the same for the motion vector buffer | |
830 | * by aligning it's stride to the next 16 byte boundry. this | |
831 | * extra space will not be used by the de-interlacer, but will | |
832 | * ensure that vpdma operates correctly | |
833 | */ | |
834 | bytes_per_line = ALIGN((s_q_data->width * mv->depth) >> 3, | |
835 | VPDMA_STRIDE_ALIGN); | |
836 | mv_buf_size = bytes_per_line * s_q_data->height; | |
773f0657 | 837 | |
68bbbd79 | 838 | ctx->deinterlacing = true; |
773f0657 | 839 | src_h <<= 1; |
585e6f01 | 840 | } else { |
68bbbd79 | 841 | ctx->deinterlacing = false; |
585e6f01 AT |
842 | mv_buf_size = 0; |
843 | } | |
844 | ||
845 | free_vbs(ctx); | |
846 | ||
847 | ret = realloc_mv_buffers(ctx, mv_buf_size); | |
848 | if (ret) | |
849 | return ret; | |
45719127 AT |
850 | |
851 | set_cfg_and_line_modes(ctx); | |
585e6f01 | 852 | set_dei_regs(ctx); |
6948082d | 853 | |
30496799 AT |
854 | csc_set_coeff(ctx->dev->csc, &mmr_adb->csc_regs[0], |
855 | s_q_data->colorspace, d_q_data->colorspace); | |
bbee8b39 | 856 | |
773f0657 AT |
857 | sc_set_hs_coeffs(ctx->dev->sc, ctx->sc_coeff_h.addr, src_w, dst_w); |
858 | sc_set_vs_coeffs(ctx->dev->sc, ctx->sc_coeff_v.addr, src_h, dst_h); | |
bbee8b39 AT |
859 | |
860 | sc_config_scaler(ctx->dev->sc, &mmr_adb->sc_regs0[0], | |
861 | &mmr_adb->sc_regs8[0], &mmr_adb->sc_regs17[0], | |
862 | src_w, src_h, dst_w, dst_h); | |
45719127 AT |
863 | |
864 | return 0; | |
865 | } | |
866 | ||
867 | /* | |
868 | * Return the vpe_ctx structure for a given struct file | |
869 | */ | |
870 | static struct vpe_ctx *file2ctx(struct file *file) | |
871 | { | |
872 | return container_of(file->private_data, struct vpe_ctx, fh); | |
873 | } | |
874 | ||
875 | /* | |
876 | * mem2mem callbacks | |
877 | */ | |
878 | ||
879 | /** | |
880 | * job_ready() - check whether an instance is ready to be scheduled to run | |
881 | */ | |
882 | static int job_ready(void *priv) | |
883 | { | |
884 | struct vpe_ctx *ctx = priv; | |
885 | int needed = ctx->bufs_per_job; | |
886 | ||
585e6f01 AT |
887 | if (ctx->deinterlacing && ctx->src_vbs[2] == NULL) |
888 | needed += 2; /* need additional two most recent fields */ | |
889 | ||
47e604c5 | 890 | if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) < needed) |
45719127 AT |
891 | return 0; |
892 | ||
47e604c5 | 893 | if (v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx) < needed) |
db476163 AT |
894 | return 0; |
895 | ||
45719127 AT |
896 | return 1; |
897 | } | |
898 | ||
899 | static void job_abort(void *priv) | |
900 | { | |
901 | struct vpe_ctx *ctx = priv; | |
902 | ||
903 | /* Will cancel the transaction in the next interrupt handler */ | |
904 | ctx->aborting = 1; | |
905 | } | |
906 | ||
907 | /* | |
908 | * Lock access to the device | |
909 | */ | |
910 | static void vpe_lock(void *priv) | |
911 | { | |
912 | struct vpe_ctx *ctx = priv; | |
913 | struct vpe_dev *dev = ctx->dev; | |
914 | mutex_lock(&dev->dev_mutex); | |
915 | } | |
916 | ||
917 | static void vpe_unlock(void *priv) | |
918 | { | |
919 | struct vpe_ctx *ctx = priv; | |
920 | struct vpe_dev *dev = ctx->dev; | |
921 | mutex_unlock(&dev->dev_mutex); | |
922 | } | |
923 | ||
924 | static void vpe_dump_regs(struct vpe_dev *dev) | |
925 | { | |
926 | #define DUMPREG(r) vpe_dbg(dev, "%-35s %08x\n", #r, read_reg(dev, VPE_##r)) | |
927 | ||
928 | vpe_dbg(dev, "VPE Registers:\n"); | |
929 | ||
930 | DUMPREG(PID); | |
931 | DUMPREG(SYSCONFIG); | |
932 | DUMPREG(INT0_STATUS0_RAW); | |
933 | DUMPREG(INT0_STATUS0); | |
934 | DUMPREG(INT0_ENABLE0); | |
935 | DUMPREG(INT0_STATUS1_RAW); | |
936 | DUMPREG(INT0_STATUS1); | |
937 | DUMPREG(INT0_ENABLE1); | |
938 | DUMPREG(CLK_ENABLE); | |
939 | DUMPREG(CLK_RESET); | |
940 | DUMPREG(CLK_FORMAT_SELECT); | |
941 | DUMPREG(CLK_RANGE_MAP); | |
942 | DUMPREG(US1_R0); | |
943 | DUMPREG(US1_R1); | |
944 | DUMPREG(US1_R2); | |
945 | DUMPREG(US1_R3); | |
946 | DUMPREG(US1_R4); | |
947 | DUMPREG(US1_R5); | |
948 | DUMPREG(US1_R6); | |
949 | DUMPREG(US1_R7); | |
950 | DUMPREG(US2_R0); | |
951 | DUMPREG(US2_R1); | |
952 | DUMPREG(US2_R2); | |
953 | DUMPREG(US2_R3); | |
954 | DUMPREG(US2_R4); | |
955 | DUMPREG(US2_R5); | |
956 | DUMPREG(US2_R6); | |
957 | DUMPREG(US2_R7); | |
958 | DUMPREG(US3_R0); | |
959 | DUMPREG(US3_R1); | |
960 | DUMPREG(US3_R2); | |
961 | DUMPREG(US3_R3); | |
962 | DUMPREG(US3_R4); | |
963 | DUMPREG(US3_R5); | |
964 | DUMPREG(US3_R6); | |
965 | DUMPREG(US3_R7); | |
966 | DUMPREG(DEI_FRAME_SIZE); | |
967 | DUMPREG(MDT_BYPASS); | |
968 | DUMPREG(MDT_SF_THRESHOLD); | |
969 | DUMPREG(EDI_CONFIG); | |
970 | DUMPREG(DEI_EDI_LUT_R0); | |
971 | DUMPREG(DEI_EDI_LUT_R1); | |
972 | DUMPREG(DEI_EDI_LUT_R2); | |
973 | DUMPREG(DEI_EDI_LUT_R3); | |
974 | DUMPREG(DEI_FMD_WINDOW_R0); | |
975 | DUMPREG(DEI_FMD_WINDOW_R1); | |
976 | DUMPREG(DEI_FMD_CONTROL_R0); | |
977 | DUMPREG(DEI_FMD_CONTROL_R1); | |
978 | DUMPREG(DEI_FMD_STATUS_R0); | |
979 | DUMPREG(DEI_FMD_STATUS_R1); | |
980 | DUMPREG(DEI_FMD_STATUS_R2); | |
45719127 | 981 | #undef DUMPREG |
44687b2e AT |
982 | |
983 | sc_dump_regs(dev->sc); | |
6948082d | 984 | csc_dump_regs(dev->csc); |
45719127 AT |
985 | } |
986 | ||
987 | static void add_out_dtd(struct vpe_ctx *ctx, int port) | |
988 | { | |
989 | struct vpe_q_data *q_data = &ctx->q_data[Q_DATA_DST]; | |
990 | const struct vpe_port_data *p_data = &port_data[port]; | |
991 | struct vb2_buffer *vb = ctx->dst_vb; | |
45719127 AT |
992 | struct vpe_fmt *fmt = q_data->fmt; |
993 | const struct vpdma_data_format *vpdma_fmt; | |
585e6f01 | 994 | int mv_buf_selector = !ctx->src_mv_buf_selector; |
45719127 AT |
995 | dma_addr_t dma_addr; |
996 | u32 flags = 0; | |
997 | ||
585e6f01 AT |
998 | if (port == VPE_PORT_MV_OUT) { |
999 | vpdma_fmt = &vpdma_misc_fmts[VPDMA_DATA_FMT_MV]; | |
1000 | dma_addr = ctx->mv_buf_dma[mv_buf_selector]; | |
1001 | } else { | |
1002 | /* to incorporate interleaved formats */ | |
1003 | int plane = fmt->coplanar ? p_data->vb_part : 0; | |
1004 | ||
1005 | vpdma_fmt = fmt->vpdma_fmt[plane]; | |
1006 | dma_addr = vb2_dma_contig_plane_dma_addr(vb, plane); | |
1007 | if (!dma_addr) { | |
1008 | vpe_err(ctx->dev, | |
1009 | "acquiring output buffer(%d) dma_addr failed\n", | |
1010 | port); | |
1011 | return; | |
1012 | } | |
45719127 AT |
1013 | } |
1014 | ||
1015 | if (q_data->flags & Q_DATA_FRAME_1D) | |
1016 | flags |= VPDMA_DATA_FRAME_1D; | |
1017 | if (q_data->flags & Q_DATA_MODE_TILED) | |
1018 | flags |= VPDMA_DATA_MODE_TILED; | |
1019 | ||
928bf2ba AT |
1020 | vpdma_add_out_dtd(&ctx->desc_list, q_data->width, &q_data->c_rect, |
1021 | vpdma_fmt, dma_addr, p_data->channel, flags); | |
45719127 AT |
1022 | } |
1023 | ||
1024 | static void add_in_dtd(struct vpe_ctx *ctx, int port) | |
1025 | { | |
1026 | struct vpe_q_data *q_data = &ctx->q_data[Q_DATA_SRC]; | |
1027 | const struct vpe_port_data *p_data = &port_data[port]; | |
585e6f01 | 1028 | struct vb2_buffer *vb = ctx->src_vbs[p_data->vb_index]; |
45719127 AT |
1029 | struct vpe_fmt *fmt = q_data->fmt; |
1030 | const struct vpdma_data_format *vpdma_fmt; | |
585e6f01 AT |
1031 | int mv_buf_selector = ctx->src_mv_buf_selector; |
1032 | int field = vb->v4l2_buf.field == V4L2_FIELD_BOTTOM; | |
928bf2ba | 1033 | int frame_width, frame_height; |
45719127 AT |
1034 | dma_addr_t dma_addr; |
1035 | u32 flags = 0; | |
1036 | ||
585e6f01 AT |
1037 | if (port == VPE_PORT_MV_IN) { |
1038 | vpdma_fmt = &vpdma_misc_fmts[VPDMA_DATA_FMT_MV]; | |
1039 | dma_addr = ctx->mv_buf_dma[mv_buf_selector]; | |
1040 | } else { | |
1041 | /* to incorporate interleaved formats */ | |
1042 | int plane = fmt->coplanar ? p_data->vb_part : 0; | |
45719127 | 1043 | |
585e6f01 AT |
1044 | vpdma_fmt = fmt->vpdma_fmt[plane]; |
1045 | ||
1046 | dma_addr = vb2_dma_contig_plane_dma_addr(vb, plane); | |
1047 | if (!dma_addr) { | |
1048 | vpe_err(ctx->dev, | |
1049 | "acquiring input buffer(%d) dma_addr failed\n", | |
1050 | port); | |
1051 | return; | |
1052 | } | |
45719127 AT |
1053 | } |
1054 | ||
1055 | if (q_data->flags & Q_DATA_FRAME_1D) | |
1056 | flags |= VPDMA_DATA_FRAME_1D; | |
1057 | if (q_data->flags & Q_DATA_MODE_TILED) | |
1058 | flags |= VPDMA_DATA_MODE_TILED; | |
1059 | ||
928bf2ba AT |
1060 | frame_width = q_data->c_rect.width; |
1061 | frame_height = q_data->c_rect.height; | |
1062 | ||
1063 | if (p_data->vb_part && fmt->fourcc == V4L2_PIX_FMT_NV12) | |
1064 | frame_height /= 2; | |
1065 | ||
1066 | vpdma_add_in_dtd(&ctx->desc_list, q_data->width, &q_data->c_rect, | |
1067 | vpdma_fmt, dma_addr, p_data->channel, field, flags, frame_width, | |
1068 | frame_height, 0, 0); | |
45719127 AT |
1069 | } |
1070 | ||
1071 | /* | |
1072 | * Enable the expected IRQ sources | |
1073 | */ | |
1074 | static void enable_irqs(struct vpe_ctx *ctx) | |
1075 | { | |
1076 | write_reg(ctx->dev, VPE_INT0_ENABLE0_SET, VPE_INT0_LIST0_COMPLETE); | |
585e6f01 AT |
1077 | write_reg(ctx->dev, VPE_INT0_ENABLE1_SET, VPE_DEI_ERROR_INT | |
1078 | VPE_DS1_UV_ERROR_INT); | |
45719127 AT |
1079 | |
1080 | vpdma_enable_list_complete_irq(ctx->dev->vpdma, 0, true); | |
1081 | } | |
1082 | ||
1083 | static void disable_irqs(struct vpe_ctx *ctx) | |
1084 | { | |
1085 | write_reg(ctx->dev, VPE_INT0_ENABLE0_CLR, 0xffffffff); | |
1086 | write_reg(ctx->dev, VPE_INT0_ENABLE1_CLR, 0xffffffff); | |
1087 | ||
1088 | vpdma_enable_list_complete_irq(ctx->dev->vpdma, 0, false); | |
1089 | } | |
1090 | ||
1091 | /* device_run() - prepares and starts the device | |
1092 | * | |
1093 | * This function is only called when both the source and destination | |
1094 | * buffers are in place. | |
1095 | */ | |
1096 | static void device_run(void *priv) | |
1097 | { | |
1098 | struct vpe_ctx *ctx = priv; | |
773f0657 | 1099 | struct sc_data *sc = ctx->dev->sc; |
45719127 AT |
1100 | struct vpe_q_data *d_q_data = &ctx->q_data[Q_DATA_DST]; |
1101 | ||
585e6f01 | 1102 | if (ctx->deinterlacing && ctx->src_vbs[2] == NULL) { |
47e604c5 | 1103 | ctx->src_vbs[2] = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); |
585e6f01 | 1104 | WARN_ON(ctx->src_vbs[2] == NULL); |
47e604c5 | 1105 | ctx->src_vbs[1] = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); |
585e6f01 AT |
1106 | WARN_ON(ctx->src_vbs[1] == NULL); |
1107 | } | |
1108 | ||
47e604c5 | 1109 | ctx->src_vbs[0] = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); |
585e6f01 | 1110 | WARN_ON(ctx->src_vbs[0] == NULL); |
47e604c5 | 1111 | ctx->dst_vb = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); |
45719127 AT |
1112 | WARN_ON(ctx->dst_vb == NULL); |
1113 | ||
1114 | /* config descriptors */ | |
1115 | if (ctx->dev->loaded_mmrs != ctx->mmr_adb.dma_addr || ctx->load_mmrs) { | |
1116 | vpdma_map_desc_buf(ctx->dev->vpdma, &ctx->mmr_adb); | |
1117 | vpdma_add_cfd_adb(&ctx->desc_list, CFD_MMR_CLIENT, &ctx->mmr_adb); | |
1118 | ctx->dev->loaded_mmrs = ctx->mmr_adb.dma_addr; | |
1119 | ctx->load_mmrs = false; | |
1120 | } | |
1121 | ||
773f0657 AT |
1122 | if (sc->loaded_coeff_h != ctx->sc_coeff_h.dma_addr || |
1123 | sc->load_coeff_h) { | |
1124 | vpdma_map_desc_buf(ctx->dev->vpdma, &ctx->sc_coeff_h); | |
1125 | vpdma_add_cfd_block(&ctx->desc_list, CFD_SC_CLIENT, | |
1126 | &ctx->sc_coeff_h, 0); | |
1127 | ||
1128 | sc->loaded_coeff_h = ctx->sc_coeff_h.dma_addr; | |
1129 | sc->load_coeff_h = false; | |
1130 | } | |
1131 | ||
1132 | if (sc->loaded_coeff_v != ctx->sc_coeff_v.dma_addr || | |
1133 | sc->load_coeff_v) { | |
1134 | vpdma_map_desc_buf(ctx->dev->vpdma, &ctx->sc_coeff_v); | |
1135 | vpdma_add_cfd_block(&ctx->desc_list, CFD_SC_CLIENT, | |
1136 | &ctx->sc_coeff_v, SC_COEF_SRAM_SIZE >> 4); | |
1137 | ||
1138 | sc->loaded_coeff_v = ctx->sc_coeff_v.dma_addr; | |
1139 | sc->load_coeff_v = false; | |
1140 | } | |
1141 | ||
585e6f01 AT |
1142 | /* output data descriptors */ |
1143 | if (ctx->deinterlacing) | |
1144 | add_out_dtd(ctx, VPE_PORT_MV_OUT); | |
1145 | ||
30496799 AT |
1146 | if (d_q_data->colorspace == V4L2_COLORSPACE_SRGB) { |
1147 | add_out_dtd(ctx, VPE_PORT_RGB_OUT); | |
1148 | } else { | |
1149 | add_out_dtd(ctx, VPE_PORT_LUMA_OUT); | |
1150 | if (d_q_data->fmt->coplanar) | |
1151 | add_out_dtd(ctx, VPE_PORT_CHROMA_OUT); | |
1152 | } | |
45719127 | 1153 | |
585e6f01 AT |
1154 | /* input data descriptors */ |
1155 | if (ctx->deinterlacing) { | |
1156 | add_in_dtd(ctx, VPE_PORT_LUMA3_IN); | |
1157 | add_in_dtd(ctx, VPE_PORT_CHROMA3_IN); | |
1158 | ||
1159 | add_in_dtd(ctx, VPE_PORT_LUMA2_IN); | |
1160 | add_in_dtd(ctx, VPE_PORT_CHROMA2_IN); | |
1161 | } | |
1162 | ||
45719127 AT |
1163 | add_in_dtd(ctx, VPE_PORT_LUMA1_IN); |
1164 | add_in_dtd(ctx, VPE_PORT_CHROMA1_IN); | |
1165 | ||
585e6f01 AT |
1166 | if (ctx->deinterlacing) |
1167 | add_in_dtd(ctx, VPE_PORT_MV_IN); | |
1168 | ||
45719127 AT |
1169 | /* sync on channel control descriptors for input ports */ |
1170 | vpdma_add_sync_on_channel_ctd(&ctx->desc_list, VPE_CHAN_LUMA1_IN); | |
1171 | vpdma_add_sync_on_channel_ctd(&ctx->desc_list, VPE_CHAN_CHROMA1_IN); | |
1172 | ||
585e6f01 AT |
1173 | if (ctx->deinterlacing) { |
1174 | vpdma_add_sync_on_channel_ctd(&ctx->desc_list, | |
1175 | VPE_CHAN_LUMA2_IN); | |
1176 | vpdma_add_sync_on_channel_ctd(&ctx->desc_list, | |
1177 | VPE_CHAN_CHROMA2_IN); | |
1178 | ||
1179 | vpdma_add_sync_on_channel_ctd(&ctx->desc_list, | |
1180 | VPE_CHAN_LUMA3_IN); | |
1181 | vpdma_add_sync_on_channel_ctd(&ctx->desc_list, | |
1182 | VPE_CHAN_CHROMA3_IN); | |
1183 | ||
1184 | vpdma_add_sync_on_channel_ctd(&ctx->desc_list, VPE_CHAN_MV_IN); | |
1185 | } | |
1186 | ||
45719127 | 1187 | /* sync on channel control descriptors for output ports */ |
30496799 AT |
1188 | if (d_q_data->colorspace == V4L2_COLORSPACE_SRGB) { |
1189 | vpdma_add_sync_on_channel_ctd(&ctx->desc_list, | |
1190 | VPE_CHAN_RGB_OUT); | |
1191 | } else { | |
1192 | vpdma_add_sync_on_channel_ctd(&ctx->desc_list, | |
1193 | VPE_CHAN_LUMA_OUT); | |
1194 | if (d_q_data->fmt->coplanar) | |
1195 | vpdma_add_sync_on_channel_ctd(&ctx->desc_list, | |
1196 | VPE_CHAN_CHROMA_OUT); | |
1197 | } | |
45719127 | 1198 | |
585e6f01 AT |
1199 | if (ctx->deinterlacing) |
1200 | vpdma_add_sync_on_channel_ctd(&ctx->desc_list, VPE_CHAN_MV_OUT); | |
1201 | ||
45719127 AT |
1202 | enable_irqs(ctx); |
1203 | ||
1204 | vpdma_map_desc_buf(ctx->dev->vpdma, &ctx->desc_list.buf); | |
1205 | vpdma_submit_descs(ctx->dev->vpdma, &ctx->desc_list); | |
1206 | } | |
1207 | ||
585e6f01 AT |
1208 | static void dei_error(struct vpe_ctx *ctx) |
1209 | { | |
1210 | dev_warn(ctx->dev->v4l2_dev.dev, | |
1211 | "received DEI error interrupt\n"); | |
1212 | } | |
1213 | ||
45719127 AT |
1214 | static void ds1_uv_error(struct vpe_ctx *ctx) |
1215 | { | |
1216 | dev_warn(ctx->dev->v4l2_dev.dev, | |
1217 | "received downsampler error interrupt\n"); | |
1218 | } | |
1219 | ||
1220 | static irqreturn_t vpe_irq(int irq_vpe, void *data) | |
1221 | { | |
1222 | struct vpe_dev *dev = (struct vpe_dev *)data; | |
1223 | struct vpe_ctx *ctx; | |
585e6f01 | 1224 | struct vpe_q_data *d_q_data; |
45719127 AT |
1225 | struct vb2_buffer *s_vb, *d_vb; |
1226 | struct v4l2_buffer *s_buf, *d_buf; | |
1227 | unsigned long flags; | |
1228 | u32 irqst0, irqst1; | |
1229 | ||
1230 | irqst0 = read_reg(dev, VPE_INT0_STATUS0); | |
1231 | if (irqst0) { | |
1232 | write_reg(dev, VPE_INT0_STATUS0_CLR, irqst0); | |
1233 | vpe_dbg(dev, "INT0_STATUS0 = 0x%08x\n", irqst0); | |
1234 | } | |
1235 | ||
1236 | irqst1 = read_reg(dev, VPE_INT0_STATUS1); | |
1237 | if (irqst1) { | |
1238 | write_reg(dev, VPE_INT0_STATUS1_CLR, irqst1); | |
1239 | vpe_dbg(dev, "INT0_STATUS1 = 0x%08x\n", irqst1); | |
1240 | } | |
1241 | ||
1242 | ctx = v4l2_m2m_get_curr_priv(dev->m2m_dev); | |
1243 | if (!ctx) { | |
1244 | vpe_err(dev, "instance released before end of transaction\n"); | |
1245 | goto handled; | |
1246 | } | |
1247 | ||
585e6f01 AT |
1248 | if (irqst1) { |
1249 | if (irqst1 & VPE_DEI_ERROR_INT) { | |
1250 | irqst1 &= ~VPE_DEI_ERROR_INT; | |
1251 | dei_error(ctx); | |
1252 | } | |
1253 | if (irqst1 & VPE_DS1_UV_ERROR_INT) { | |
1254 | irqst1 &= ~VPE_DS1_UV_ERROR_INT; | |
1255 | ds1_uv_error(ctx); | |
1256 | } | |
45719127 AT |
1257 | } |
1258 | ||
1259 | if (irqst0) { | |
1260 | if (irqst0 & VPE_INT0_LIST0_COMPLETE) | |
1261 | vpdma_clear_list_stat(ctx->dev->vpdma); | |
1262 | ||
1263 | irqst0 &= ~(VPE_INT0_LIST0_COMPLETE); | |
1264 | } | |
1265 | ||
1266 | if (irqst0 | irqst1) { | |
1267 | dev_warn(dev->v4l2_dev.dev, "Unexpected interrupt: " | |
1268 | "INT0_STATUS0 = 0x%08x, INT0_STATUS1 = 0x%08x\n", | |
1269 | irqst0, irqst1); | |
1270 | } | |
1271 | ||
1272 | disable_irqs(ctx); | |
1273 | ||
1274 | vpdma_unmap_desc_buf(dev->vpdma, &ctx->desc_list.buf); | |
1275 | vpdma_unmap_desc_buf(dev->vpdma, &ctx->mmr_adb); | |
773f0657 AT |
1276 | vpdma_unmap_desc_buf(dev->vpdma, &ctx->sc_coeff_h); |
1277 | vpdma_unmap_desc_buf(dev->vpdma, &ctx->sc_coeff_v); | |
45719127 AT |
1278 | |
1279 | vpdma_reset_desc_list(&ctx->desc_list); | |
1280 | ||
585e6f01 AT |
1281 | /* the previous dst mv buffer becomes the next src mv buffer */ |
1282 | ctx->src_mv_buf_selector = !ctx->src_mv_buf_selector; | |
1283 | ||
45719127 AT |
1284 | if (ctx->aborting) |
1285 | goto finished; | |
1286 | ||
585e6f01 | 1287 | s_vb = ctx->src_vbs[0]; |
45719127 AT |
1288 | d_vb = ctx->dst_vb; |
1289 | s_buf = &s_vb->v4l2_buf; | |
1290 | d_buf = &d_vb->v4l2_buf; | |
1291 | ||
bbe24c67 AT |
1292 | d_buf->flags = s_buf->flags; |
1293 | ||
45719127 | 1294 | d_buf->timestamp = s_buf->timestamp; |
bbe24c67 | 1295 | if (s_buf->flags & V4L2_BUF_FLAG_TIMECODE) |
45719127 | 1296 | d_buf->timecode = s_buf->timecode; |
bbe24c67 | 1297 | |
45719127 | 1298 | d_buf->sequence = ctx->sequence; |
585e6f01 AT |
1299 | |
1300 | d_q_data = &ctx->q_data[Q_DATA_DST]; | |
1301 | if (d_q_data->flags & Q_DATA_INTERLACED) { | |
5269fef7 | 1302 | d_buf->field = ctx->field; |
585e6f01 AT |
1303 | if (ctx->field == V4L2_FIELD_BOTTOM) { |
1304 | ctx->sequence++; | |
1305 | ctx->field = V4L2_FIELD_TOP; | |
1306 | } else { | |
1307 | WARN_ON(ctx->field != V4L2_FIELD_TOP); | |
1308 | ctx->field = V4L2_FIELD_BOTTOM; | |
1309 | } | |
1310 | } else { | |
5269fef7 | 1311 | d_buf->field = V4L2_FIELD_NONE; |
585e6f01 AT |
1312 | ctx->sequence++; |
1313 | } | |
45719127 | 1314 | |
585e6f01 AT |
1315 | if (ctx->deinterlacing) |
1316 | s_vb = ctx->src_vbs[2]; | |
45719127 AT |
1317 | |
1318 | spin_lock_irqsave(&dev->lock, flags); | |
1319 | v4l2_m2m_buf_done(s_vb, VB2_BUF_STATE_DONE); | |
1320 | v4l2_m2m_buf_done(d_vb, VB2_BUF_STATE_DONE); | |
1321 | spin_unlock_irqrestore(&dev->lock, flags); | |
1322 | ||
585e6f01 AT |
1323 | if (ctx->deinterlacing) { |
1324 | ctx->src_vbs[2] = ctx->src_vbs[1]; | |
1325 | ctx->src_vbs[1] = ctx->src_vbs[0]; | |
1326 | } | |
1327 | ||
45719127 AT |
1328 | ctx->bufs_completed++; |
1329 | if (ctx->bufs_completed < ctx->bufs_per_job) { | |
1330 | device_run(ctx); | |
1331 | goto handled; | |
1332 | } | |
1333 | ||
1334 | finished: | |
1335 | vpe_dbg(ctx->dev, "finishing transaction\n"); | |
1336 | ctx->bufs_completed = 0; | |
47e604c5 | 1337 | v4l2_m2m_job_finish(dev->m2m_dev, ctx->fh.m2m_ctx); |
45719127 AT |
1338 | handled: |
1339 | return IRQ_HANDLED; | |
1340 | } | |
1341 | ||
1342 | /* | |
1343 | * video ioctls | |
1344 | */ | |
1345 | static int vpe_querycap(struct file *file, void *priv, | |
1346 | struct v4l2_capability *cap) | |
1347 | { | |
1348 | strncpy(cap->driver, VPE_MODULE_NAME, sizeof(cap->driver) - 1); | |
1349 | strncpy(cap->card, VPE_MODULE_NAME, sizeof(cap->card) - 1); | |
b20902b9 AT |
1350 | snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", |
1351 | VPE_MODULE_NAME); | |
fca27a98 | 1352 | cap->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING; |
45719127 AT |
1353 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; |
1354 | return 0; | |
1355 | } | |
1356 | ||
1357 | static int __enum_fmt(struct v4l2_fmtdesc *f, u32 type) | |
1358 | { | |
1359 | int i, index; | |
1360 | struct vpe_fmt *fmt = NULL; | |
1361 | ||
1362 | index = 0; | |
1363 | for (i = 0; i < ARRAY_SIZE(vpe_formats); ++i) { | |
1364 | if (vpe_formats[i].types & type) { | |
1365 | if (index == f->index) { | |
1366 | fmt = &vpe_formats[i]; | |
1367 | break; | |
1368 | } | |
1369 | index++; | |
1370 | } | |
1371 | } | |
1372 | ||
1373 | if (!fmt) | |
1374 | return -EINVAL; | |
1375 | ||
1376 | strncpy(f->description, fmt->name, sizeof(f->description) - 1); | |
1377 | f->pixelformat = fmt->fourcc; | |
1378 | return 0; | |
1379 | } | |
1380 | ||
1381 | static int vpe_enum_fmt(struct file *file, void *priv, | |
1382 | struct v4l2_fmtdesc *f) | |
1383 | { | |
1384 | if (V4L2_TYPE_IS_OUTPUT(f->type)) | |
1385 | return __enum_fmt(f, VPE_FMT_TYPE_OUTPUT); | |
1386 | ||
1387 | return __enum_fmt(f, VPE_FMT_TYPE_CAPTURE); | |
1388 | } | |
1389 | ||
1390 | static int vpe_g_fmt(struct file *file, void *priv, struct v4l2_format *f) | |
1391 | { | |
1392 | struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp; | |
1393 | struct vpe_ctx *ctx = file2ctx(file); | |
1394 | struct vb2_queue *vq; | |
1395 | struct vpe_q_data *q_data; | |
1396 | int i; | |
1397 | ||
47e604c5 | 1398 | vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); |
45719127 AT |
1399 | if (!vq) |
1400 | return -EINVAL; | |
1401 | ||
1402 | q_data = get_q_data(ctx, f->type); | |
1403 | ||
1404 | pix->width = q_data->width; | |
1405 | pix->height = q_data->height; | |
1406 | pix->pixelformat = q_data->fmt->fourcc; | |
585e6f01 | 1407 | pix->field = q_data->field; |
45719127 AT |
1408 | |
1409 | if (V4L2_TYPE_IS_OUTPUT(f->type)) { | |
1410 | pix->colorspace = q_data->colorspace; | |
1411 | } else { | |
1412 | struct vpe_q_data *s_q_data; | |
1413 | ||
1414 | /* get colorspace from the source queue */ | |
1415 | s_q_data = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); | |
1416 | ||
1417 | pix->colorspace = s_q_data->colorspace; | |
1418 | } | |
1419 | ||
1420 | pix->num_planes = q_data->fmt->coplanar ? 2 : 1; | |
1421 | ||
1422 | for (i = 0; i < pix->num_planes; i++) { | |
1423 | pix->plane_fmt[i].bytesperline = q_data->bytesperline[i]; | |
1424 | pix->plane_fmt[i].sizeimage = q_data->sizeimage[i]; | |
1425 | } | |
1426 | ||
1427 | return 0; | |
1428 | } | |
1429 | ||
1430 | static int __vpe_try_fmt(struct vpe_ctx *ctx, struct v4l2_format *f, | |
1431 | struct vpe_fmt *fmt, int type) | |
1432 | { | |
1433 | struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp; | |
1434 | struct v4l2_plane_pix_format *plane_fmt; | |
a51cd8f5 AT |
1435 | unsigned int w_align; |
1436 | int i, depth, depth_bytes; | |
45719127 AT |
1437 | |
1438 | if (!fmt || !(fmt->types & type)) { | |
1439 | vpe_err(ctx->dev, "Fourcc format (0x%08x) invalid.\n", | |
1440 | pix->pixelformat); | |
1441 | return -EINVAL; | |
1442 | } | |
1443 | ||
585e6f01 AT |
1444 | if (pix->field != V4L2_FIELD_NONE && pix->field != V4L2_FIELD_ALTERNATE) |
1445 | pix->field = V4L2_FIELD_NONE; | |
45719127 | 1446 | |
a51cd8f5 AT |
1447 | depth = fmt->vpdma_fmt[VPE_LUMA]->depth; |
1448 | ||
1449 | /* | |
1450 | * the line stride should 16 byte aligned for VPDMA to work, based on | |
1451 | * the bytes per pixel, figure out how much the width should be aligned | |
1452 | * to make sure line stride is 16 byte aligned | |
1453 | */ | |
1454 | depth_bytes = depth >> 3; | |
1455 | ||
1456 | if (depth_bytes == 3) | |
1457 | /* | |
1458 | * if bpp is 3(as in some RGB formats), the pixel width doesn't | |
1459 | * really help in ensuring line stride is 16 byte aligned | |
1460 | */ | |
1461 | w_align = 4; | |
1462 | else | |
1463 | /* | |
1464 | * for the remainder bpp(4, 2 and 1), the pixel width alignment | |
1465 | * can ensure a line stride alignment of 16 bytes. For example, | |
1466 | * if bpp is 2, then the line stride can be 16 byte aligned if | |
1467 | * the width is 8 byte aligned | |
1468 | */ | |
1469 | w_align = order_base_2(VPDMA_DESC_ALIGN / depth_bytes); | |
1470 | ||
1471 | v4l_bound_align_image(&pix->width, MIN_W, MAX_W, w_align, | |
45719127 AT |
1472 | &pix->height, MIN_H, MAX_H, H_ALIGN, |
1473 | S_ALIGN); | |
1474 | ||
1475 | pix->num_planes = fmt->coplanar ? 2 : 1; | |
1476 | pix->pixelformat = fmt->fourcc; | |
1477 | ||
30496799 AT |
1478 | if (!pix->colorspace) { |
1479 | if (fmt->fourcc == V4L2_PIX_FMT_RGB24 || | |
1480 | fmt->fourcc == V4L2_PIX_FMT_BGR24 || | |
1481 | fmt->fourcc == V4L2_PIX_FMT_RGB32 || | |
1482 | fmt->fourcc == V4L2_PIX_FMT_BGR32) { | |
1483 | pix->colorspace = V4L2_COLORSPACE_SRGB; | |
1484 | } else { | |
1485 | if (pix->height > 1280) /* HD */ | |
1486 | pix->colorspace = V4L2_COLORSPACE_REC709; | |
1487 | else /* SD */ | |
1488 | pix->colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1489 | } | |
45719127 AT |
1490 | } |
1491 | ||
92851f1c | 1492 | memset(pix->reserved, 0, sizeof(pix->reserved)); |
45719127 | 1493 | for (i = 0; i < pix->num_planes; i++) { |
45719127 AT |
1494 | plane_fmt = &pix->plane_fmt[i]; |
1495 | depth = fmt->vpdma_fmt[i]->depth; | |
1496 | ||
1497 | if (i == VPE_LUMA) | |
a51cd8f5 | 1498 | plane_fmt->bytesperline = (pix->width * depth) >> 3; |
45719127 AT |
1499 | else |
1500 | plane_fmt->bytesperline = pix->width; | |
1501 | ||
1502 | plane_fmt->sizeimage = | |
1503 | (pix->height * pix->width * depth) >> 3; | |
92851f1c AT |
1504 | |
1505 | memset(plane_fmt->reserved, 0, sizeof(plane_fmt->reserved)); | |
45719127 AT |
1506 | } |
1507 | ||
1508 | return 0; | |
1509 | } | |
1510 | ||
1511 | static int vpe_try_fmt(struct file *file, void *priv, struct v4l2_format *f) | |
1512 | { | |
1513 | struct vpe_ctx *ctx = file2ctx(file); | |
1514 | struct vpe_fmt *fmt = find_format(f); | |
1515 | ||
1516 | if (V4L2_TYPE_IS_OUTPUT(f->type)) | |
1517 | return __vpe_try_fmt(ctx, f, fmt, VPE_FMT_TYPE_OUTPUT); | |
1518 | else | |
1519 | return __vpe_try_fmt(ctx, f, fmt, VPE_FMT_TYPE_CAPTURE); | |
1520 | } | |
1521 | ||
1522 | static int __vpe_s_fmt(struct vpe_ctx *ctx, struct v4l2_format *f) | |
1523 | { | |
1524 | struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp; | |
1525 | struct v4l2_plane_pix_format *plane_fmt; | |
1526 | struct vpe_q_data *q_data; | |
1527 | struct vb2_queue *vq; | |
1528 | int i; | |
1529 | ||
47e604c5 | 1530 | vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); |
45719127 AT |
1531 | if (!vq) |
1532 | return -EINVAL; | |
1533 | ||
1534 | if (vb2_is_busy(vq)) { | |
1535 | vpe_err(ctx->dev, "queue busy\n"); | |
1536 | return -EBUSY; | |
1537 | } | |
1538 | ||
1539 | q_data = get_q_data(ctx, f->type); | |
1540 | if (!q_data) | |
1541 | return -EINVAL; | |
1542 | ||
1543 | q_data->fmt = find_format(f); | |
1544 | q_data->width = pix->width; | |
1545 | q_data->height = pix->height; | |
1546 | q_data->colorspace = pix->colorspace; | |
585e6f01 | 1547 | q_data->field = pix->field; |
45719127 AT |
1548 | |
1549 | for (i = 0; i < pix->num_planes; i++) { | |
1550 | plane_fmt = &pix->plane_fmt[i]; | |
1551 | ||
1552 | q_data->bytesperline[i] = plane_fmt->bytesperline; | |
1553 | q_data->sizeimage[i] = plane_fmt->sizeimage; | |
1554 | } | |
1555 | ||
1556 | q_data->c_rect.left = 0; | |
1557 | q_data->c_rect.top = 0; | |
1558 | q_data->c_rect.width = q_data->width; | |
1559 | q_data->c_rect.height = q_data->height; | |
1560 | ||
585e6f01 AT |
1561 | if (q_data->field == V4L2_FIELD_ALTERNATE) |
1562 | q_data->flags |= Q_DATA_INTERLACED; | |
1563 | else | |
1564 | q_data->flags &= ~Q_DATA_INTERLACED; | |
1565 | ||
45719127 AT |
1566 | vpe_dbg(ctx->dev, "Setting format for type %d, wxh: %dx%d, fmt: %d bpl_y %d", |
1567 | f->type, q_data->width, q_data->height, q_data->fmt->fourcc, | |
1568 | q_data->bytesperline[VPE_LUMA]); | |
1569 | if (q_data->fmt->coplanar) | |
1570 | vpe_dbg(ctx->dev, " bpl_uv %d\n", | |
1571 | q_data->bytesperline[VPE_CHROMA]); | |
1572 | ||
1573 | return 0; | |
1574 | } | |
1575 | ||
1576 | static int vpe_s_fmt(struct file *file, void *priv, struct v4l2_format *f) | |
1577 | { | |
1578 | int ret; | |
1579 | struct vpe_ctx *ctx = file2ctx(file); | |
1580 | ||
1581 | ret = vpe_try_fmt(file, priv, f); | |
1582 | if (ret) | |
1583 | return ret; | |
1584 | ||
1585 | ret = __vpe_s_fmt(ctx, f); | |
1586 | if (ret) | |
1587 | return ret; | |
1588 | ||
1589 | if (V4L2_TYPE_IS_OUTPUT(f->type)) | |
1590 | set_src_registers(ctx); | |
1591 | else | |
1592 | set_dst_registers(ctx); | |
1593 | ||
1594 | return set_srcdst_params(ctx); | |
1595 | } | |
1596 | ||
2ef114f6 AT |
1597 | static int __vpe_try_selection(struct vpe_ctx *ctx, struct v4l2_selection *s) |
1598 | { | |
1599 | struct vpe_q_data *q_data; | |
1600 | ||
1601 | if ((s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && | |
1602 | (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)) | |
1603 | return -EINVAL; | |
1604 | ||
1605 | q_data = get_q_data(ctx, s->type); | |
1606 | if (!q_data) | |
1607 | return -EINVAL; | |
1608 | ||
1609 | switch (s->target) { | |
1610 | case V4L2_SEL_TGT_COMPOSE: | |
1611 | /* | |
1612 | * COMPOSE target is only valid for capture buffer type, return | |
1613 | * error for output buffer type | |
1614 | */ | |
1615 | if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
1616 | return -EINVAL; | |
1617 | break; | |
1618 | case V4L2_SEL_TGT_CROP: | |
1619 | /* | |
1620 | * CROP target is only valid for output buffer type, return | |
1621 | * error for capture buffer type | |
1622 | */ | |
1623 | if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1624 | return -EINVAL; | |
1625 | break; | |
1626 | /* | |
1627 | * bound and default crop/compose targets are invalid targets to | |
1628 | * try/set | |
1629 | */ | |
1630 | default: | |
1631 | return -EINVAL; | |
1632 | } | |
1633 | ||
1634 | if (s->r.top < 0 || s->r.left < 0) { | |
1635 | vpe_err(ctx->dev, "negative values for top and left\n"); | |
1636 | s->r.top = s->r.left = 0; | |
1637 | } | |
1638 | ||
1639 | v4l_bound_align_image(&s->r.width, MIN_W, q_data->width, 1, | |
1640 | &s->r.height, MIN_H, q_data->height, H_ALIGN, S_ALIGN); | |
1641 | ||
1642 | /* adjust left/top if cropping rectangle is out of bounds */ | |
1643 | if (s->r.left + s->r.width > q_data->width) | |
1644 | s->r.left = q_data->width - s->r.width; | |
1645 | if (s->r.top + s->r.height > q_data->height) | |
1646 | s->r.top = q_data->height - s->r.height; | |
1647 | ||
1648 | return 0; | |
1649 | } | |
1650 | ||
1651 | static int vpe_g_selection(struct file *file, void *fh, | |
1652 | struct v4l2_selection *s) | |
1653 | { | |
1654 | struct vpe_ctx *ctx = file2ctx(file); | |
1655 | struct vpe_q_data *q_data; | |
1656 | bool use_c_rect = false; | |
1657 | ||
1658 | if ((s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) && | |
1659 | (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)) | |
1660 | return -EINVAL; | |
1661 | ||
1662 | q_data = get_q_data(ctx, s->type); | |
1663 | if (!q_data) | |
1664 | return -EINVAL; | |
1665 | ||
1666 | switch (s->target) { | |
1667 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: | |
1668 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: | |
1669 | if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
1670 | return -EINVAL; | |
1671 | break; | |
1672 | case V4L2_SEL_TGT_CROP_BOUNDS: | |
1673 | case V4L2_SEL_TGT_CROP_DEFAULT: | |
1674 | if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1675 | return -EINVAL; | |
1676 | break; | |
1677 | case V4L2_SEL_TGT_COMPOSE: | |
1678 | if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) | |
1679 | return -EINVAL; | |
1680 | use_c_rect = true; | |
1681 | break; | |
1682 | case V4L2_SEL_TGT_CROP: | |
1683 | if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1684 | return -EINVAL; | |
1685 | use_c_rect = true; | |
1686 | break; | |
1687 | default: | |
1688 | return -EINVAL; | |
1689 | } | |
1690 | ||
1691 | if (use_c_rect) { | |
1692 | /* | |
1693 | * for CROP/COMPOSE target type, return c_rect params from the | |
1694 | * respective buffer type | |
1695 | */ | |
1696 | s->r = q_data->c_rect; | |
1697 | } else { | |
1698 | /* | |
1699 | * for DEFAULT/BOUNDS target type, return width and height from | |
1700 | * S_FMT of the respective buffer type | |
1701 | */ | |
1702 | s->r.left = 0; | |
1703 | s->r.top = 0; | |
1704 | s->r.width = q_data->width; | |
1705 | s->r.height = q_data->height; | |
1706 | } | |
1707 | ||
1708 | return 0; | |
1709 | } | |
1710 | ||
1711 | ||
1712 | static int vpe_s_selection(struct file *file, void *fh, | |
1713 | struct v4l2_selection *s) | |
1714 | { | |
1715 | struct vpe_ctx *ctx = file2ctx(file); | |
1716 | struct vpe_q_data *q_data; | |
1717 | struct v4l2_selection sel = *s; | |
1718 | int ret; | |
1719 | ||
1720 | ret = __vpe_try_selection(ctx, &sel); | |
1721 | if (ret) | |
1722 | return ret; | |
1723 | ||
1724 | q_data = get_q_data(ctx, sel.type); | |
1725 | if (!q_data) | |
1726 | return -EINVAL; | |
1727 | ||
1728 | if ((q_data->c_rect.left == sel.r.left) && | |
1729 | (q_data->c_rect.top == sel.r.top) && | |
1730 | (q_data->c_rect.width == sel.r.width) && | |
1731 | (q_data->c_rect.height == sel.r.height)) { | |
1732 | vpe_dbg(ctx->dev, | |
1733 | "requested crop/compose values are already set\n"); | |
1734 | return 0; | |
1735 | } | |
1736 | ||
1737 | q_data->c_rect = sel.r; | |
1738 | ||
1739 | return set_srcdst_params(ctx); | |
1740 | } | |
1741 | ||
45719127 AT |
1742 | /* |
1743 | * defines number of buffers/frames a context can process with VPE before | |
1744 | * switching to a different context. default value is 1 buffer per context | |
1745 | */ | |
1746 | #define V4L2_CID_VPE_BUFS_PER_JOB (V4L2_CID_USER_TI_VPE_BASE + 0) | |
1747 | ||
1748 | static int vpe_s_ctrl(struct v4l2_ctrl *ctrl) | |
1749 | { | |
1750 | struct vpe_ctx *ctx = | |
1751 | container_of(ctrl->handler, struct vpe_ctx, hdl); | |
1752 | ||
1753 | switch (ctrl->id) { | |
1754 | case V4L2_CID_VPE_BUFS_PER_JOB: | |
1755 | ctx->bufs_per_job = ctrl->val; | |
1756 | break; | |
1757 | ||
1758 | default: | |
1759 | vpe_err(ctx->dev, "Invalid control\n"); | |
1760 | return -EINVAL; | |
1761 | } | |
1762 | ||
1763 | return 0; | |
1764 | } | |
1765 | ||
1766 | static const struct v4l2_ctrl_ops vpe_ctrl_ops = { | |
1767 | .s_ctrl = vpe_s_ctrl, | |
1768 | }; | |
1769 | ||
1770 | static const struct v4l2_ioctl_ops vpe_ioctl_ops = { | |
47e604c5 | 1771 | .vidioc_querycap = vpe_querycap, |
45719127 | 1772 | |
47e604c5 | 1773 | .vidioc_enum_fmt_vid_cap_mplane = vpe_enum_fmt, |
45719127 AT |
1774 | .vidioc_g_fmt_vid_cap_mplane = vpe_g_fmt, |
1775 | .vidioc_try_fmt_vid_cap_mplane = vpe_try_fmt, | |
1776 | .vidioc_s_fmt_vid_cap_mplane = vpe_s_fmt, | |
1777 | ||
47e604c5 | 1778 | .vidioc_enum_fmt_vid_out_mplane = vpe_enum_fmt, |
45719127 AT |
1779 | .vidioc_g_fmt_vid_out_mplane = vpe_g_fmt, |
1780 | .vidioc_try_fmt_vid_out_mplane = vpe_try_fmt, | |
1781 | .vidioc_s_fmt_vid_out_mplane = vpe_s_fmt, | |
1782 | ||
2ef114f6 AT |
1783 | .vidioc_g_selection = vpe_g_selection, |
1784 | .vidioc_s_selection = vpe_s_selection, | |
1785 | ||
47e604c5 PL |
1786 | .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, |
1787 | .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, | |
1788 | .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, | |
1789 | .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, | |
1790 | .vidioc_streamon = v4l2_m2m_ioctl_streamon, | |
1791 | .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, | |
45719127 | 1792 | |
47e604c5 PL |
1793 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
1794 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
45719127 AT |
1795 | }; |
1796 | ||
1797 | /* | |
1798 | * Queue operations | |
1799 | */ | |
1800 | static int vpe_queue_setup(struct vb2_queue *vq, | |
1801 | const struct v4l2_format *fmt, | |
1802 | unsigned int *nbuffers, unsigned int *nplanes, | |
1803 | unsigned int sizes[], void *alloc_ctxs[]) | |
1804 | { | |
1805 | int i; | |
1806 | struct vpe_ctx *ctx = vb2_get_drv_priv(vq); | |
1807 | struct vpe_q_data *q_data; | |
1808 | ||
1809 | q_data = get_q_data(ctx, vq->type); | |
1810 | ||
1811 | *nplanes = q_data->fmt->coplanar ? 2 : 1; | |
1812 | ||
1813 | for (i = 0; i < *nplanes; i++) { | |
1814 | sizes[i] = q_data->sizeimage[i]; | |
1815 | alloc_ctxs[i] = ctx->dev->alloc_ctx; | |
1816 | } | |
1817 | ||
1818 | vpe_dbg(ctx->dev, "get %d buffer(s) of size %d", *nbuffers, | |
1819 | sizes[VPE_LUMA]); | |
1820 | if (q_data->fmt->coplanar) | |
1821 | vpe_dbg(ctx->dev, " and %d\n", sizes[VPE_CHROMA]); | |
1822 | ||
1823 | return 0; | |
1824 | } | |
1825 | ||
1826 | static int vpe_buf_prepare(struct vb2_buffer *vb) | |
1827 | { | |
1828 | struct vpe_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); | |
1829 | struct vpe_q_data *q_data; | |
1830 | int i, num_planes; | |
1831 | ||
1832 | vpe_dbg(ctx->dev, "type: %d\n", vb->vb2_queue->type); | |
1833 | ||
1834 | q_data = get_q_data(ctx, vb->vb2_queue->type); | |
1835 | num_planes = q_data->fmt->coplanar ? 2 : 1; | |
1836 | ||
5269fef7 AT |
1837 | if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) { |
1838 | if (!(q_data->flags & Q_DATA_INTERLACED)) { | |
1839 | vb->v4l2_buf.field = V4L2_FIELD_NONE; | |
1840 | } else { | |
1841 | if (vb->v4l2_buf.field != V4L2_FIELD_TOP && | |
1842 | vb->v4l2_buf.field != V4L2_FIELD_BOTTOM) | |
1843 | return -EINVAL; | |
1844 | } | |
1845 | } | |
1846 | ||
45719127 AT |
1847 | for (i = 0; i < num_planes; i++) { |
1848 | if (vb2_plane_size(vb, i) < q_data->sizeimage[i]) { | |
1849 | vpe_err(ctx->dev, | |
1850 | "data will not fit into plane (%lu < %lu)\n", | |
1851 | vb2_plane_size(vb, i), | |
1852 | (long) q_data->sizeimage[i]); | |
1853 | return -EINVAL; | |
1854 | } | |
1855 | } | |
1856 | ||
1857 | for (i = 0; i < num_planes; i++) | |
1858 | vb2_set_plane_payload(vb, i, q_data->sizeimage[i]); | |
1859 | ||
1860 | return 0; | |
1861 | } | |
1862 | ||
1863 | static void vpe_buf_queue(struct vb2_buffer *vb) | |
1864 | { | |
1865 | struct vpe_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); | |
47e604c5 PL |
1866 | |
1867 | v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); | |
1868 | } | |
1869 | ||
1870 | static int vpe_start_streaming(struct vb2_queue *q, unsigned int count) | |
1871 | { | |
1872 | /* currently we do nothing here */ | |
1873 | ||
1874 | return 0; | |
1875 | } | |
1876 | ||
1877 | static void vpe_stop_streaming(struct vb2_queue *q) | |
1878 | { | |
1879 | struct vpe_ctx *ctx = vb2_get_drv_priv(q); | |
1880 | ||
1881 | vpe_dump_regs(ctx->dev); | |
1882 | vpdma_dump_regs(ctx->dev->vpdma); | |
45719127 AT |
1883 | } |
1884 | ||
45719127 AT |
1885 | static struct vb2_ops vpe_qops = { |
1886 | .queue_setup = vpe_queue_setup, | |
1887 | .buf_prepare = vpe_buf_prepare, | |
1888 | .buf_queue = vpe_buf_queue, | |
3d0aed38 PL |
1889 | .wait_prepare = vb2_ops_wait_prepare, |
1890 | .wait_finish = vb2_ops_wait_finish, | |
47e604c5 PL |
1891 | .start_streaming = vpe_start_streaming, |
1892 | .stop_streaming = vpe_stop_streaming, | |
45719127 AT |
1893 | }; |
1894 | ||
1895 | static int queue_init(void *priv, struct vb2_queue *src_vq, | |
1896 | struct vb2_queue *dst_vq) | |
1897 | { | |
1898 | struct vpe_ctx *ctx = priv; | |
3d0aed38 | 1899 | struct vpe_dev *dev = ctx->dev; |
45719127 AT |
1900 | int ret; |
1901 | ||
1902 | memset(src_vq, 0, sizeof(*src_vq)); | |
1903 | src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE; | |
668f91d4 | 1904 | src_vq->io_modes = VB2_MMAP | VB2_DMABUF; |
45719127 AT |
1905 | src_vq->drv_priv = ctx; |
1906 | src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); | |
1907 | src_vq->ops = &vpe_qops; | |
1908 | src_vq->mem_ops = &vb2_dma_contig_memops; | |
ade48681 | 1909 | src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
3d0aed38 | 1910 | src_vq->lock = &dev->dev_mutex; |
45719127 AT |
1911 | |
1912 | ret = vb2_queue_init(src_vq); | |
1913 | if (ret) | |
1914 | return ret; | |
1915 | ||
1916 | memset(dst_vq, 0, sizeof(*dst_vq)); | |
1917 | dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; | |
668f91d4 | 1918 | dst_vq->io_modes = VB2_MMAP | VB2_DMABUF; |
45719127 AT |
1919 | dst_vq->drv_priv = ctx; |
1920 | dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); | |
1921 | dst_vq->ops = &vpe_qops; | |
1922 | dst_vq->mem_ops = &vb2_dma_contig_memops; | |
ade48681 | 1923 | dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY; |
3d0aed38 | 1924 | dst_vq->lock = &dev->dev_mutex; |
45719127 AT |
1925 | |
1926 | return vb2_queue_init(dst_vq); | |
1927 | } | |
1928 | ||
1929 | static const struct v4l2_ctrl_config vpe_bufs_per_job = { | |
1930 | .ops = &vpe_ctrl_ops, | |
1931 | .id = V4L2_CID_VPE_BUFS_PER_JOB, | |
1932 | .name = "Buffers Per Transaction", | |
1933 | .type = V4L2_CTRL_TYPE_INTEGER, | |
1934 | .def = VPE_DEF_BUFS_PER_JOB, | |
1935 | .min = 1, | |
1936 | .max = VIDEO_MAX_FRAME, | |
1937 | .step = 1, | |
1938 | }; | |
1939 | ||
1940 | /* | |
1941 | * File operations | |
1942 | */ | |
1943 | static int vpe_open(struct file *file) | |
1944 | { | |
1945 | struct vpe_dev *dev = video_drvdata(file); | |
45719127 AT |
1946 | struct vpe_q_data *s_q_data; |
1947 | struct v4l2_ctrl_handler *hdl; | |
47e604c5 | 1948 | struct vpe_ctx *ctx; |
45719127 AT |
1949 | int ret; |
1950 | ||
1951 | vpe_dbg(dev, "vpe_open\n"); | |
1952 | ||
45719127 AT |
1953 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); |
1954 | if (!ctx) | |
1955 | return -ENOMEM; | |
1956 | ||
1957 | ctx->dev = dev; | |
1958 | ||
1959 | if (mutex_lock_interruptible(&dev->dev_mutex)) { | |
1960 | ret = -ERESTARTSYS; | |
1961 | goto free_ctx; | |
1962 | } | |
1963 | ||
1964 | ret = vpdma_create_desc_list(&ctx->desc_list, VPE_DESC_LIST_SIZE, | |
1965 | VPDMA_LIST_TYPE_NORMAL); | |
1966 | if (ret != 0) | |
1967 | goto unlock; | |
1968 | ||
1969 | ret = vpdma_alloc_desc_buf(&ctx->mmr_adb, sizeof(struct vpe_mmr_adb)); | |
1970 | if (ret != 0) | |
1971 | goto free_desc_list; | |
1972 | ||
773f0657 AT |
1973 | ret = vpdma_alloc_desc_buf(&ctx->sc_coeff_h, SC_COEF_SRAM_SIZE); |
1974 | if (ret != 0) | |
1975 | goto free_mmr_adb; | |
1976 | ||
1977 | ret = vpdma_alloc_desc_buf(&ctx->sc_coeff_v, SC_COEF_SRAM_SIZE); | |
1978 | if (ret != 0) | |
1979 | goto free_sc_h; | |
1980 | ||
45719127 AT |
1981 | init_adb_hdrs(ctx); |
1982 | ||
1983 | v4l2_fh_init(&ctx->fh, video_devdata(file)); | |
1984 | file->private_data = &ctx->fh; | |
1985 | ||
1986 | hdl = &ctx->hdl; | |
1987 | v4l2_ctrl_handler_init(hdl, 1); | |
1988 | v4l2_ctrl_new_custom(hdl, &vpe_bufs_per_job, NULL); | |
1989 | if (hdl->error) { | |
1990 | ret = hdl->error; | |
1991 | goto exit_fh; | |
1992 | } | |
1993 | ctx->fh.ctrl_handler = hdl; | |
1994 | v4l2_ctrl_handler_setup(hdl); | |
1995 | ||
1996 | s_q_data = &ctx->q_data[Q_DATA_SRC]; | |
1997 | s_q_data->fmt = &vpe_formats[2]; | |
1998 | s_q_data->width = 1920; | |
1999 | s_q_data->height = 1080; | |
67fb87ee | 2000 | s_q_data->bytesperline[VPE_LUMA] = (s_q_data->width * |
45719127 | 2001 | s_q_data->fmt->vpdma_fmt[VPE_LUMA]->depth) >> 3; |
67fb87ee AT |
2002 | s_q_data->sizeimage[VPE_LUMA] = (s_q_data->bytesperline[VPE_LUMA] * |
2003 | s_q_data->height); | |
2004 | s_q_data->colorspace = V4L2_COLORSPACE_REC709; | |
585e6f01 | 2005 | s_q_data->field = V4L2_FIELD_NONE; |
45719127 AT |
2006 | s_q_data->c_rect.left = 0; |
2007 | s_q_data->c_rect.top = 0; | |
2008 | s_q_data->c_rect.width = s_q_data->width; | |
2009 | s_q_data->c_rect.height = s_q_data->height; | |
2010 | s_q_data->flags = 0; | |
2011 | ||
2012 | ctx->q_data[Q_DATA_DST] = *s_q_data; | |
2013 | ||
585e6f01 | 2014 | set_dei_shadow_registers(ctx); |
45719127 AT |
2015 | set_src_registers(ctx); |
2016 | set_dst_registers(ctx); | |
2017 | ret = set_srcdst_params(ctx); | |
2018 | if (ret) | |
2019 | goto exit_fh; | |
2020 | ||
47e604c5 | 2021 | ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init); |
45719127 | 2022 | |
47e604c5 PL |
2023 | if (IS_ERR(ctx->fh.m2m_ctx)) { |
2024 | ret = PTR_ERR(ctx->fh.m2m_ctx); | |
45719127 AT |
2025 | goto exit_fh; |
2026 | } | |
2027 | ||
2028 | v4l2_fh_add(&ctx->fh); | |
2029 | ||
2030 | /* | |
2031 | * for now, just report the creation of the first instance, we can later | |
2032 | * optimize the driver to enable or disable clocks when the first | |
2033 | * instance is created or the last instance released | |
2034 | */ | |
2035 | if (atomic_inc_return(&dev->num_instances) == 1) | |
2036 | vpe_dbg(dev, "first instance created\n"); | |
2037 | ||
2038 | ctx->bufs_per_job = VPE_DEF_BUFS_PER_JOB; | |
2039 | ||
2040 | ctx->load_mmrs = true; | |
2041 | ||
2042 | vpe_dbg(dev, "created instance %p, m2m_ctx: %p\n", | |
47e604c5 | 2043 | ctx, ctx->fh.m2m_ctx); |
45719127 AT |
2044 | |
2045 | mutex_unlock(&dev->dev_mutex); | |
2046 | ||
2047 | return 0; | |
2048 | exit_fh: | |
2049 | v4l2_ctrl_handler_free(hdl); | |
2050 | v4l2_fh_exit(&ctx->fh); | |
773f0657 AT |
2051 | vpdma_free_desc_buf(&ctx->sc_coeff_v); |
2052 | free_sc_h: | |
2053 | vpdma_free_desc_buf(&ctx->sc_coeff_h); | |
2054 | free_mmr_adb: | |
45719127 AT |
2055 | vpdma_free_desc_buf(&ctx->mmr_adb); |
2056 | free_desc_list: | |
2057 | vpdma_free_desc_list(&ctx->desc_list); | |
2058 | unlock: | |
2059 | mutex_unlock(&dev->dev_mutex); | |
2060 | free_ctx: | |
2061 | kfree(ctx); | |
2062 | return ret; | |
2063 | } | |
2064 | ||
2065 | static int vpe_release(struct file *file) | |
2066 | { | |
2067 | struct vpe_dev *dev = video_drvdata(file); | |
2068 | struct vpe_ctx *ctx = file2ctx(file); | |
2069 | ||
2070 | vpe_dbg(dev, "releasing instance %p\n", ctx); | |
2071 | ||
2072 | mutex_lock(&dev->dev_mutex); | |
585e6f01 AT |
2073 | free_vbs(ctx); |
2074 | free_mv_buffers(ctx); | |
45719127 AT |
2075 | vpdma_free_desc_list(&ctx->desc_list); |
2076 | vpdma_free_desc_buf(&ctx->mmr_adb); | |
2077 | ||
2078 | v4l2_fh_del(&ctx->fh); | |
2079 | v4l2_fh_exit(&ctx->fh); | |
2080 | v4l2_ctrl_handler_free(&ctx->hdl); | |
47e604c5 | 2081 | v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); |
45719127 AT |
2082 | |
2083 | kfree(ctx); | |
2084 | ||
2085 | /* | |
2086 | * for now, just report the release of the last instance, we can later | |
2087 | * optimize the driver to enable or disable clocks when the first | |
2088 | * instance is created or the last instance released | |
2089 | */ | |
2090 | if (atomic_dec_return(&dev->num_instances) == 0) | |
2091 | vpe_dbg(dev, "last instance released\n"); | |
2092 | ||
2093 | mutex_unlock(&dev->dev_mutex); | |
2094 | ||
2095 | return 0; | |
2096 | } | |
2097 | ||
45719127 AT |
2098 | static const struct v4l2_file_operations vpe_fops = { |
2099 | .owner = THIS_MODULE, | |
2100 | .open = vpe_open, | |
2101 | .release = vpe_release, | |
47e604c5 | 2102 | .poll = v4l2_m2m_fop_poll, |
45719127 | 2103 | .unlocked_ioctl = video_ioctl2, |
47e604c5 | 2104 | .mmap = v4l2_m2m_fop_mmap, |
45719127 AT |
2105 | }; |
2106 | ||
2107 | static struct video_device vpe_videodev = { | |
2108 | .name = VPE_MODULE_NAME, | |
2109 | .fops = &vpe_fops, | |
2110 | .ioctl_ops = &vpe_ioctl_ops, | |
2111 | .minor = -1, | |
772a7b7a | 2112 | .release = video_device_release_empty, |
45719127 AT |
2113 | .vfl_dir = VFL_DIR_M2M, |
2114 | }; | |
2115 | ||
2116 | static struct v4l2_m2m_ops m2m_ops = { | |
2117 | .device_run = device_run, | |
2118 | .job_ready = job_ready, | |
2119 | .job_abort = job_abort, | |
2120 | .lock = vpe_lock, | |
2121 | .unlock = vpe_unlock, | |
2122 | }; | |
2123 | ||
2124 | static int vpe_runtime_get(struct platform_device *pdev) | |
2125 | { | |
2126 | int r; | |
2127 | ||
2128 | dev_dbg(&pdev->dev, "vpe_runtime_get\n"); | |
2129 | ||
2130 | r = pm_runtime_get_sync(&pdev->dev); | |
2131 | WARN_ON(r < 0); | |
2132 | return r < 0 ? r : 0; | |
2133 | } | |
2134 | ||
2135 | static void vpe_runtime_put(struct platform_device *pdev) | |
2136 | { | |
2137 | ||
2138 | int r; | |
2139 | ||
2140 | dev_dbg(&pdev->dev, "vpe_runtime_put\n"); | |
2141 | ||
2142 | r = pm_runtime_put_sync(&pdev->dev); | |
2143 | WARN_ON(r < 0 && r != -ENOSYS); | |
2144 | } | |
2145 | ||
b2c9472f AT |
2146 | static void vpe_fw_cb(struct platform_device *pdev) |
2147 | { | |
2148 | struct vpe_dev *dev = platform_get_drvdata(pdev); | |
2149 | struct video_device *vfd; | |
2150 | int ret; | |
2151 | ||
2152 | vfd = &dev->vfd; | |
2153 | *vfd = vpe_videodev; | |
2154 | vfd->lock = &dev->dev_mutex; | |
2155 | vfd->v4l2_dev = &dev->v4l2_dev; | |
2156 | ||
2157 | ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0); | |
2158 | if (ret) { | |
2159 | vpe_err(dev, "Failed to register video device\n"); | |
2160 | ||
2161 | vpe_set_clock_enable(dev, 0); | |
2162 | vpe_runtime_put(pdev); | |
2163 | pm_runtime_disable(&pdev->dev); | |
2164 | v4l2_m2m_release(dev->m2m_dev); | |
2165 | vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); | |
2166 | v4l2_device_unregister(&dev->v4l2_dev); | |
2167 | ||
2168 | return; | |
2169 | } | |
2170 | ||
2171 | video_set_drvdata(vfd, dev); | |
2172 | snprintf(vfd->name, sizeof(vfd->name), "%s", vpe_videodev.name); | |
2173 | dev_info(dev->v4l2_dev.dev, "Device registered as /dev/video%d\n", | |
2174 | vfd->num); | |
2175 | } | |
2176 | ||
45719127 AT |
2177 | static int vpe_probe(struct platform_device *pdev) |
2178 | { | |
2179 | struct vpe_dev *dev; | |
45719127 AT |
2180 | int ret, irq, func; |
2181 | ||
2182 | dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); | |
b68231a1 WY |
2183 | if (!dev) |
2184 | return -ENOMEM; | |
45719127 AT |
2185 | |
2186 | spin_lock_init(&dev->lock); | |
2187 | ||
2188 | ret = v4l2_device_register(&pdev->dev, &dev->v4l2_dev); | |
2189 | if (ret) | |
2190 | return ret; | |
2191 | ||
2192 | atomic_set(&dev->num_instances, 0); | |
2193 | mutex_init(&dev->dev_mutex); | |
2194 | ||
44687b2e AT |
2195 | dev->res = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
2196 | "vpe_top"); | |
45719127 AT |
2197 | /* |
2198 | * HACK: we get resource info from device tree in the form of a list of | |
2199 | * VPE sub blocks, the driver currently uses only the base of vpe_top | |
2200 | * for register access, the driver should be changed later to access | |
2201 | * registers based on the sub block base addresses | |
2202 | */ | |
44687b2e | 2203 | dev->base = devm_ioremap(&pdev->dev, dev->res->start, SZ_32K); |
b68231a1 WY |
2204 | if (!dev->base) { |
2205 | ret = -ENOMEM; | |
45719127 AT |
2206 | goto v4l2_dev_unreg; |
2207 | } | |
2208 | ||
2209 | irq = platform_get_irq(pdev, 0); | |
2210 | ret = devm_request_irq(&pdev->dev, irq, vpe_irq, 0, VPE_MODULE_NAME, | |
2211 | dev); | |
2212 | if (ret) | |
2213 | goto v4l2_dev_unreg; | |
2214 | ||
2215 | platform_set_drvdata(pdev, dev); | |
2216 | ||
2217 | dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); | |
2218 | if (IS_ERR(dev->alloc_ctx)) { | |
2219 | vpe_err(dev, "Failed to alloc vb2 context\n"); | |
2220 | ret = PTR_ERR(dev->alloc_ctx); | |
2221 | goto v4l2_dev_unreg; | |
2222 | } | |
2223 | ||
2224 | dev->m2m_dev = v4l2_m2m_init(&m2m_ops); | |
2225 | if (IS_ERR(dev->m2m_dev)) { | |
2226 | vpe_err(dev, "Failed to init mem2mem device\n"); | |
2227 | ret = PTR_ERR(dev->m2m_dev); | |
2228 | goto rel_ctx; | |
2229 | } | |
2230 | ||
2231 | pm_runtime_enable(&pdev->dev); | |
2232 | ||
2233 | ret = vpe_runtime_get(pdev); | |
2234 | if (ret) | |
2235 | goto rel_m2m; | |
2236 | ||
2237 | /* Perform clk enable followed by reset */ | |
2238 | vpe_set_clock_enable(dev, 1); | |
2239 | ||
2240 | vpe_top_reset(dev); | |
2241 | ||
2242 | func = read_field_reg(dev, VPE_PID, VPE_PID_FUNC_MASK, | |
2243 | VPE_PID_FUNC_SHIFT); | |
2244 | vpe_dbg(dev, "VPE PID function %x\n", func); | |
2245 | ||
2246 | vpe_top_vpdma_reset(dev); | |
2247 | ||
44687b2e AT |
2248 | dev->sc = sc_create(pdev); |
2249 | if (IS_ERR(dev->sc)) { | |
2250 | ret = PTR_ERR(dev->sc); | |
2251 | goto runtime_put; | |
2252 | } | |
2253 | ||
6948082d AT |
2254 | dev->csc = csc_create(pdev); |
2255 | if (IS_ERR(dev->csc)) { | |
2256 | ret = PTR_ERR(dev->csc); | |
2257 | goto runtime_put; | |
2258 | } | |
2259 | ||
b2c9472f | 2260 | dev->vpdma = vpdma_create(pdev, vpe_fw_cb); |
6676cafe WY |
2261 | if (IS_ERR(dev->vpdma)) { |
2262 | ret = PTR_ERR(dev->vpdma); | |
45719127 | 2263 | goto runtime_put; |
6676cafe | 2264 | } |
45719127 | 2265 | |
45719127 AT |
2266 | return 0; |
2267 | ||
2268 | runtime_put: | |
2269 | vpe_runtime_put(pdev); | |
2270 | rel_m2m: | |
2271 | pm_runtime_disable(&pdev->dev); | |
2272 | v4l2_m2m_release(dev->m2m_dev); | |
2273 | rel_ctx: | |
2274 | vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); | |
2275 | v4l2_dev_unreg: | |
2276 | v4l2_device_unregister(&dev->v4l2_dev); | |
2277 | ||
2278 | return ret; | |
2279 | } | |
2280 | ||
2281 | static int vpe_remove(struct platform_device *pdev) | |
2282 | { | |
1eb96047 | 2283 | struct vpe_dev *dev = platform_get_drvdata(pdev); |
45719127 AT |
2284 | |
2285 | v4l2_info(&dev->v4l2_dev, "Removing " VPE_MODULE_NAME); | |
2286 | ||
2287 | v4l2_m2m_release(dev->m2m_dev); | |
2288 | video_unregister_device(&dev->vfd); | |
2289 | v4l2_device_unregister(&dev->v4l2_dev); | |
2290 | vb2_dma_contig_cleanup_ctx(dev->alloc_ctx); | |
2291 | ||
2292 | vpe_set_clock_enable(dev, 0); | |
2293 | vpe_runtime_put(pdev); | |
2294 | pm_runtime_disable(&pdev->dev); | |
2295 | ||
2296 | return 0; | |
2297 | } | |
2298 | ||
2299 | #if defined(CONFIG_OF) | |
2300 | static const struct of_device_id vpe_of_match[] = { | |
2301 | { | |
2302 | .compatible = "ti,vpe", | |
2303 | }, | |
2304 | {}, | |
2305 | }; | |
45719127 AT |
2306 | #endif |
2307 | ||
2308 | static struct platform_driver vpe_pdrv = { | |
2309 | .probe = vpe_probe, | |
2310 | .remove = vpe_remove, | |
2311 | .driver = { | |
2312 | .name = VPE_MODULE_NAME, | |
47e604c5 | 2313 | .of_match_table = of_match_ptr(vpe_of_match), |
45719127 AT |
2314 | }, |
2315 | }; | |
2316 | ||
903cbb83 | 2317 | module_platform_driver(vpe_pdrv); |
45719127 AT |
2318 | |
2319 | MODULE_DESCRIPTION("TI VPE driver"); | |
2320 | MODULE_AUTHOR("Dale Farnsworth, <dale@farnsworth.org>"); | |
2321 | MODULE_LICENSE("GPL"); |