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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb 
 kernel/drivers/staging/media/imx/imx-media.h
....@@ -1,12 +1,8 @@
1
+/* SPDX-License-Identifier: GPL-2.0+ */
12 /*
23  * V4L2 Media Controller Driver for Freescale i.MX5/6 SOC
34  *
45  * Copyright (c) 2016 Mentor Graphics Inc.
5
- *
6
- * This program is free software; you can redistribute it and/or modify
7
- * it under the terms of the GNU General Public License as published by
8
- * the Free Software Foundation; either version 2 of the License, or
9
- * (at your option) any later version.
106  */
117 #ifndef _IMX_MEDIA_H
128 #define _IMX_MEDIA_H
....@@ -18,6 +14,19 @@
1814 #include <media/v4l2-subdev.h>
1915 #include <media/videobuf2-dma-contig.h>
2016 #include <video/imx-ipu-v3.h>
17
+
18
+/*
19
+ * Enumeration of the IPU internal sub-devices
20
+ */
21
+enum {
22
+	IPU_CSI0 = 0,
23
+	IPU_CSI1,
24
+	IPU_VDIC,
25
+	IPU_IC_PRP,
26
+	IPU_IC_PRPENC,
27
+	IPU_IC_PRPVF,
28
+	NUM_IPU_SUBDEVS,
29
+};
2130 
2231 /*
2332  * Pad definitions for the subdevs with multiple source or
....@@ -59,8 +68,13 @@
5968 #define IMX_MEDIA_EOF_TIMEOUT       1000
6069 
6170 struct imx_media_pixfmt {
71
+	/* the in-memory FourCC pixel format */
6272 	u32     fourcc;
63
-	u32     codes[4];
73
+	/*
74
+	 * the set of equivalent media bus codes for the fourcc.
75
+	 * NOTE! codes pointer is NULL for in-memory-only formats.
76
+	 */
77
+	const u32 *codes;
6478 	int     bpp;     /* total bpp */
6579 	/* cycles per pixel for generic (bayer) formats for the parallel bus */
6680 	int	cycles;
....@@ -68,6 +82,15 @@
6882 	bool    planar;  /* is a planar format */
6983 	bool    bayer;   /* is a raw bayer format */
7084 	bool    ipufmt;  /* is one of the IPU internal formats */
85
+};
86
+
87
+enum imx_pixfmt_sel {
88
+	PIXFMT_SEL_YUV   = BIT(0), /* select YUV formats */
89
+	PIXFMT_SEL_RGB   = BIT(1), /* select RGB formats */
90
+	PIXFMT_SEL_BAYER = BIT(2), /* select BAYER formats */
91
+	PIXFMT_SEL_IPU   = BIT(3), /* select IPU-internal formats */
92
+	PIXFMT_SEL_YUV_RGB = PIXFMT_SEL_YUV | PIXFMT_SEL_RGB,
93
+	PIXFMT_SEL_ANY = PIXFMT_SEL_YUV | PIXFMT_SEL_RGB | PIXFMT_SEL_BAYER,
7194 };
7295 
7396 struct imx_media_buffer {
....@@ -80,6 +103,8 @@
80103 
81104 	/* the user format */
82105 	struct v4l2_format fmt;
106
+	/* the compose rectangle */
107
+	struct v4l2_rect compose;
83108 	const struct imx_media_pixfmt *cc;
84109 
85110 	/* links this vdev to master list */
....@@ -113,26 +138,6 @@
113138 	struct list_head list;
114139 };
115140 
116
-struct imx_media_internal_sd_platformdata {
117
-	char sd_name[V4L2_SUBDEV_NAME_SIZE];
118
-	u32 grp_id;
119
-	int ipu_id;
120
-};
121
-
122
-
123
-struct imx_media_async_subdev {
124
-	struct v4l2_async_subdev asd;
125
-	/* the platform device of IPU-internal subdevs */
126
-	struct platform_device *pdev;
127
-	struct list_head list;
128
-};
129
-
130
-static inline struct imx_media_async_subdev *
131
-to_imx_media_asd(struct v4l2_async_subdev *asd)
132
-{
133
-	return container_of(asd, struct imx_media_async_subdev, asd);
134
-}
135
-
136141 struct imx_media_dev {
137142 	struct media_device md;
138143 	struct v4l2_device  v4l2_dev;
....@@ -149,43 +154,52 @@
149154 	struct ipu_soc *ipu[2];
150155 
151156 	/* for async subdev registration */
152
-	struct list_head asd_list;
153
-	struct v4l2_async_notifier subdev_notifier;
154
-};
157
+	struct v4l2_async_notifier notifier;
155158 
156
-enum codespace_sel {
157
-	CS_SEL_YUV = 0,
158
-	CS_SEL_RGB,
159
-	CS_SEL_ANY,
159
+	/* IC scaler/CSC mem2mem video device */
160
+	struct imx_media_video_dev *m2m_vdev;
161
+
162
+	/* the IPU internal subdev's registered synchronously */
163
+	struct v4l2_subdev *sync_sd[2][NUM_IPU_SUBDEVS];
160164 };
161165 
162166 /* imx-media-utils.c */
163167 const struct imx_media_pixfmt *
164
-imx_media_find_format(u32 fourcc, enum codespace_sel cs_sel, bool allow_bayer);
165
-int imx_media_enum_format(u32 *fourcc, u32 index, enum codespace_sel cs_sel);
168
+imx_media_find_pixel_format(u32 fourcc, enum imx_pixfmt_sel sel);
169
+int imx_media_enum_pixel_formats(u32 *fourcc, u32 index,
170
+				 enum imx_pixfmt_sel sel);
166171 const struct imx_media_pixfmt *
167
-imx_media_find_mbus_format(u32 code, enum codespace_sel cs_sel,
168
-			   bool allow_bayer);
169
-int imx_media_enum_mbus_format(u32 *code, u32 index, enum codespace_sel cs_sel,
170
-			       bool allow_bayer);
171
-const struct imx_media_pixfmt *
172
-imx_media_find_ipu_format(u32 code, enum codespace_sel cs_sel);
173
-int imx_media_enum_ipu_format(u32 *code, u32 index, enum codespace_sel cs_sel);
172
+imx_media_find_mbus_format(u32 code, enum imx_pixfmt_sel sel);
173
+int imx_media_enum_mbus_formats(u32 *code, u32 index,
174
+				enum imx_pixfmt_sel sel);
175
+
176
+static inline const struct imx_media_pixfmt *
177
+imx_media_find_ipu_format(u32 code, enum imx_pixfmt_sel fmt_sel)
178
+{
179
+	return imx_media_find_mbus_format(code, fmt_sel | PIXFMT_SEL_IPU);
180
+}
181
+
182
+static inline int imx_media_enum_ipu_formats(u32 *code, u32 index,
183
+					     enum imx_pixfmt_sel fmt_sel)
184
+{
185
+	return imx_media_enum_mbus_formats(code, index,
186
+					  fmt_sel | PIXFMT_SEL_IPU);
187
+}
188
+
174189 int imx_media_init_mbus_fmt(struct v4l2_mbus_framefmt *mbus,
175190 			    u32 width, u32 height, u32 code, u32 field,
176191 			    const struct imx_media_pixfmt **cc);
177192 int imx_media_init_cfg(struct v4l2_subdev *sd,
178193 		       struct v4l2_subdev_pad_config *cfg);
179
-void imx_media_fill_default_mbus_fields(struct v4l2_mbus_framefmt *tryfmt,
180
-					struct v4l2_mbus_framefmt *fmt,
181
-					bool ic_route);
194
+void imx_media_try_colorimetry(struct v4l2_mbus_framefmt *tryfmt,
195
+			       bool ic_route);
182196 int imx_media_mbus_fmt_to_pix_fmt(struct v4l2_pix_format *pix,
183
-				  struct v4l2_mbus_framefmt *mbus,
197
+				  const struct v4l2_mbus_framefmt *mbus,
184198 				  const struct imx_media_pixfmt *cc);
185199 int imx_media_mbus_fmt_to_ipu_image(struct ipu_image *image,
186
-				    struct v4l2_mbus_framefmt *mbus);
200
+				    const struct v4l2_mbus_framefmt *mbus);
187201 int imx_media_ipu_image_to_mbus_fmt(struct v4l2_mbus_framefmt *mbus,
188
-				    struct ipu_image *image);
202
+				    const struct ipu_image *image);
189203 void imx_media_grp_id_to_sd_name(char *sd_name, int sz,
190204 				 u32 grp_id, int ipu_id);
191205 struct v4l2_subdev *
....@@ -194,18 +208,19 @@
194208 struct v4l2_subdev *
195209 imx_media_find_subdev_by_devname(struct imx_media_dev *imxmd,
196210 				 const char *devname);
197
-int imx_media_add_video_device(struct imx_media_dev *imxmd,
198
-			       struct imx_media_video_dev *vdev);
199
-int imx_media_find_mipi_csi2_channel(struct imx_media_dev *imxmd,
200
-				     struct media_entity *start_entity);
211
+void imx_media_add_video_device(struct imx_media_dev *imxmd,
212
+				struct imx_media_video_dev *vdev);
213
+int imx_media_pipeline_csi2_channel(struct media_entity *start_entity);
201214 struct media_pad *
202
-imx_media_find_upstream_pad(struct imx_media_dev *imxmd,
203
-			    struct media_entity *start_entity,
204
-			    u32 grp_id);
215
+imx_media_pipeline_pad(struct media_entity *start_entity, u32 grp_id,
216
+		       enum v4l2_buf_type buftype, bool upstream);
205217 struct v4l2_subdev *
206
-imx_media_find_upstream_subdev(struct imx_media_dev *imxmd,
207
-			       struct media_entity *start_entity,
208
-			       u32 grp_id);
218
+imx_media_pipeline_subdev(struct media_entity *start_entity, u32 grp_id,
219
+			  bool upstream);
220
+struct video_device *
221
+imx_media_pipeline_video_device(struct media_entity *start_entity,
222
+				enum v4l2_buf_type buftype, bool upstream);
223
+struct fwnode_handle *imx_media_get_pad_fwnode(struct media_pad *pad);
209224 
210225 struct imx_media_dma_buf {
211226 	void          *virt;
....@@ -213,9 +228,9 @@
213228 	unsigned long  len;
214229 };
215230 
216
-void imx_media_free_dma_buf(struct imx_media_dev *imxmd,
231
+void imx_media_free_dma_buf(struct device *dev,
217232 			    struct imx_media_dma_buf *buf);
218
-int imx_media_alloc_dma_buf(struct imx_media_dev *imxmd,
233
+int imx_media_alloc_dma_buf(struct device *dev,
219234 			    struct imx_media_dma_buf *buf,
220235 			    int size);
221236 
....@@ -223,10 +238,12 @@
223238 				  struct media_entity *entity,
224239 				  bool on);
225240 
226
-/* imx-media-dev.c */
227
-int imx_media_add_async_subdev(struct imx_media_dev *imxmd,
228
-			       struct fwnode_handle *fwnode,
229
-			       struct platform_device *pdev);
241
+/* imx-media-dev-common.c */
242
+int imx_media_probe_complete(struct v4l2_async_notifier *notifier);
243
+struct imx_media_dev *imx_media_dev_init(struct device *dev,
244
+					 const struct media_device_ops *ops);
245
+int imx_media_dev_notifier_register(struct imx_media_dev *imxmd,
246
+			    const struct v4l2_async_notifier_operations *ops);
230247 
231248 /* imx-media-fim.c */
232249 struct imx_media_fim;
....@@ -239,40 +256,58 @@
239256 void imx_media_fim_free(struct imx_media_fim *fim);
240257 
241258 /* imx-media-internal-sd.c */
242
-int imx_media_add_internal_subdevs(struct imx_media_dev *imxmd);
243
-int imx_media_create_internal_links(struct imx_media_dev *imxmd,
244
-				    struct v4l2_subdev *sd);
245
-void imx_media_remove_internal_subdevs(struct imx_media_dev *imxmd);
259
+int imx_media_register_ipu_internal_subdevs(struct imx_media_dev *imxmd,
260
+					    struct v4l2_subdev *csi);
261
+void imx_media_unregister_ipu_internal_subdevs(struct imx_media_dev *imxmd);
246262 
247263 /* imx-media-of.c */
248264 int imx_media_add_of_subdevs(struct imx_media_dev *dev,
249265 			     struct device_node *np);
250
-int imx_media_create_of_links(struct imx_media_dev *imxmd,
251
-			      struct v4l2_subdev *sd);
252
-int imx_media_create_csi_of_links(struct imx_media_dev *imxmd,
253
-				  struct v4l2_subdev *csi);
266
+int imx_media_of_add_csi(struct imx_media_dev *imxmd,
267
+			 struct device_node *csi_np);
268
+
269
+/* imx-media-vdic.c */
270
+struct v4l2_subdev *imx_media_vdic_register(struct v4l2_device *v4l2_dev,
271
+					    struct device *ipu_dev,
272
+					    struct ipu_soc *ipu,
273
+					    u32 grp_id);
274
+int imx_media_vdic_unregister(struct v4l2_subdev *sd);
275
+
276
+/* imx-ic-common.c */
277
+struct v4l2_subdev *imx_media_ic_register(struct v4l2_device *v4l2_dev,
278
+					  struct device *ipu_dev,
279
+					  struct ipu_soc *ipu,
280
+					  u32 grp_id);
281
+int imx_media_ic_unregister(struct v4l2_subdev *sd);
254282 
255283 /* imx-media-capture.c */
256284 struct imx_media_video_dev *
257
-imx_media_capture_device_init(struct v4l2_subdev *src_sd, int pad);
285
+imx_media_capture_device_init(struct device *dev, struct v4l2_subdev *src_sd,
286
+			      int pad);
258287 void imx_media_capture_device_remove(struct imx_media_video_dev *vdev);
259288 int imx_media_capture_device_register(struct imx_media_video_dev *vdev);
260289 void imx_media_capture_device_unregister(struct imx_media_video_dev *vdev);
261290 struct imx_media_buffer *
262291 imx_media_capture_device_next_buf(struct imx_media_video_dev *vdev);
263
-void imx_media_capture_device_set_format(struct imx_media_video_dev *vdev,
264
-					 struct v4l2_pix_format *pix);
265292 void imx_media_capture_device_error(struct imx_media_video_dev *vdev);
266293 
294
+/* imx-media-csc-scaler.c */
295
+struct imx_media_video_dev *
296
+imx_media_csc_scaler_device_init(struct imx_media_dev *dev);
297
+int imx_media_csc_scaler_device_register(struct imx_media_video_dev *vdev);
298
+void imx_media_csc_scaler_device_unregister(struct imx_media_video_dev *vdev);
299
+
267300 /* subdev group ids */
268
-#define IMX_MEDIA_GRP_ID_CSI2      BIT(8)
269
-#define IMX_MEDIA_GRP_ID_CSI_BIT   9
270
-#define IMX_MEDIA_GRP_ID_CSI       (0x3 << IMX_MEDIA_GRP_ID_CSI_BIT)
271
-#define IMX_MEDIA_GRP_ID_CSI0      BIT(IMX_MEDIA_GRP_ID_CSI_BIT)
272
-#define IMX_MEDIA_GRP_ID_CSI1      (2 << IMX_MEDIA_GRP_ID_CSI_BIT)
273
-#define IMX_MEDIA_GRP_ID_VDIC      BIT(11)
274
-#define IMX_MEDIA_GRP_ID_IC_PRP    BIT(12)
275
-#define IMX_MEDIA_GRP_ID_IC_PRPENC BIT(13)
276
-#define IMX_MEDIA_GRP_ID_IC_PRPVF  BIT(14)
301
+#define IMX_MEDIA_GRP_ID_CSI2          BIT(8)
302
+#define IMX_MEDIA_GRP_ID_CSI           BIT(9)
303
+#define IMX_MEDIA_GRP_ID_IPU_CSI_BIT   10
304
+#define IMX_MEDIA_GRP_ID_IPU_CSI       (0x3 << IMX_MEDIA_GRP_ID_IPU_CSI_BIT)
305
+#define IMX_MEDIA_GRP_ID_IPU_CSI0      BIT(IMX_MEDIA_GRP_ID_IPU_CSI_BIT)
306
+#define IMX_MEDIA_GRP_ID_IPU_CSI1      (2 << IMX_MEDIA_GRP_ID_IPU_CSI_BIT)
307
+#define IMX_MEDIA_GRP_ID_IPU_VDIC      BIT(12)
308
+#define IMX_MEDIA_GRP_ID_IPU_IC_PRP    BIT(13)
309
+#define IMX_MEDIA_GRP_ID_IPU_IC_PRPENC BIT(14)
310
+#define IMX_MEDIA_GRP_ID_IPU_IC_PRPVF  BIT(15)
311
+#define IMX_MEDIA_GRP_ID_CSI_MUX       BIT(16)
277312 
278313 #endif