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10#include <linux/device.h>
11#include <linux/slab.h>
12
13#include <media/v4l2-subdev.h>
14
15#include "vsp1.h"
16#include "vsp1_clu.h"
17#include "vsp1_dl.h"
18
19#define CLU_MIN_SIZE 4U
20#define CLU_MAX_SIZE 8190U
21
22#define CLU_SIZE (17 * 17 * 17)
23
24
25
26
27
28static inline void vsp1_clu_write(struct vsp1_clu *clu,
29 struct vsp1_dl_body *dlb, u32 reg, u32 data)
30{
31 vsp1_dl_body_write(dlb, reg, data);
32}
33
34
35
36
37
38#define V4L2_CID_VSP1_CLU_TABLE (V4L2_CID_USER_BASE | 0x1001)
39#define V4L2_CID_VSP1_CLU_MODE (V4L2_CID_USER_BASE | 0x1002)
40#define V4L2_CID_VSP1_CLU_MODE_2D 0
41#define V4L2_CID_VSP1_CLU_MODE_3D 1
42
43static int clu_set_table(struct vsp1_clu *clu, struct v4l2_ctrl *ctrl)
44{
45 struct vsp1_dl_body *dlb;
46 unsigned int i;
47
48 dlb = vsp1_dl_body_get(clu->pool);
49 if (!dlb)
50 return -ENOMEM;
51
52 vsp1_dl_body_write(dlb, VI6_CLU_ADDR, 0);
53 for (i = 0; i < CLU_SIZE; ++i)
54 vsp1_dl_body_write(dlb, VI6_CLU_DATA, ctrl->p_new.p_u32[i]);
55
56 spin_lock_irq(&clu->lock);
57 swap(clu->clu, dlb);
58 spin_unlock_irq(&clu->lock);
59
60 vsp1_dl_body_put(dlb);
61 return 0;
62}
63
64static int clu_s_ctrl(struct v4l2_ctrl *ctrl)
65{
66 struct vsp1_clu *clu =
67 container_of(ctrl->handler, struct vsp1_clu, ctrls);
68
69 switch (ctrl->id) {
70 case V4L2_CID_VSP1_CLU_TABLE:
71 clu_set_table(clu, ctrl);
72 break;
73
74 case V4L2_CID_VSP1_CLU_MODE:
75 clu->mode = ctrl->val;
76 break;
77 }
78
79 return 0;
80}
81
82static const struct v4l2_ctrl_ops clu_ctrl_ops = {
83 .s_ctrl = clu_s_ctrl,
84};
85
86static const struct v4l2_ctrl_config clu_table_control = {
87 .ops = &clu_ctrl_ops,
88 .id = V4L2_CID_VSP1_CLU_TABLE,
89 .name = "Look-Up Table",
90 .type = V4L2_CTRL_TYPE_U32,
91 .min = 0x00000000,
92 .max = 0x00ffffff,
93 .step = 1,
94 .def = 0,
95 .dims = { 17, 17, 17 },
96};
97
98static const char * const clu_mode_menu[] = {
99 "2D",
100 "3D",
101 NULL,
102};
103
104static const struct v4l2_ctrl_config clu_mode_control = {
105 .ops = &clu_ctrl_ops,
106 .id = V4L2_CID_VSP1_CLU_MODE,
107 .name = "Mode",
108 .type = V4L2_CTRL_TYPE_MENU,
109 .min = 0,
110 .max = 1,
111 .def = 1,
112 .qmenu = clu_mode_menu,
113};
114
115
116
117
118
119static const unsigned int clu_codes[] = {
120 MEDIA_BUS_FMT_ARGB8888_1X32,
121 MEDIA_BUS_FMT_AHSV8888_1X32,
122 MEDIA_BUS_FMT_AYUV8_1X32,
123};
124
125static int clu_enum_mbus_code(struct v4l2_subdev *subdev,
126 struct v4l2_subdev_state *sd_state,
127 struct v4l2_subdev_mbus_code_enum *code)
128{
129 return vsp1_subdev_enum_mbus_code(subdev, sd_state, code, clu_codes,
130 ARRAY_SIZE(clu_codes));
131}
132
133static int clu_enum_frame_size(struct v4l2_subdev *subdev,
134 struct v4l2_subdev_state *sd_state,
135 struct v4l2_subdev_frame_size_enum *fse)
136{
137 return vsp1_subdev_enum_frame_size(subdev, sd_state, fse,
138 CLU_MIN_SIZE,
139 CLU_MIN_SIZE, CLU_MAX_SIZE,
140 CLU_MAX_SIZE);
141}
142
143static int clu_set_format(struct v4l2_subdev *subdev,
144 struct v4l2_subdev_state *sd_state,
145 struct v4l2_subdev_format *fmt)
146{
147 return vsp1_subdev_set_pad_format(subdev, sd_state, fmt, clu_codes,
148 ARRAY_SIZE(clu_codes),
149 CLU_MIN_SIZE, CLU_MIN_SIZE,
150 CLU_MAX_SIZE, CLU_MAX_SIZE);
151}
152
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154
155
156
157static const struct v4l2_subdev_pad_ops clu_pad_ops = {
158 .init_cfg = vsp1_entity_init_cfg,
159 .enum_mbus_code = clu_enum_mbus_code,
160 .enum_frame_size = clu_enum_frame_size,
161 .get_fmt = vsp1_subdev_get_pad_format,
162 .set_fmt = clu_set_format,
163};
164
165static const struct v4l2_subdev_ops clu_ops = {
166 .pad = &clu_pad_ops,
167};
168
169
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171
172
173static void clu_configure_stream(struct vsp1_entity *entity,
174 struct vsp1_pipeline *pipe,
175 struct vsp1_dl_list *dl,
176 struct vsp1_dl_body *dlb)
177{
178 struct vsp1_clu *clu = to_clu(&entity->subdev);
179 struct v4l2_mbus_framefmt *format;
180
181
182
183
184
185 format = vsp1_entity_get_pad_format(&clu->entity,
186 clu->entity.config,
187 CLU_PAD_SINK);
188 clu->yuv_mode = format->code == MEDIA_BUS_FMT_AYUV8_1X32;
189}
190
191static void clu_configure_frame(struct vsp1_entity *entity,
192 struct vsp1_pipeline *pipe,
193 struct vsp1_dl_list *dl,
194 struct vsp1_dl_body *dlb)
195{
196 struct vsp1_clu *clu = to_clu(&entity->subdev);
197 struct vsp1_dl_body *clu_dlb;
198 unsigned long flags;
199 u32 ctrl = VI6_CLU_CTRL_AAI | VI6_CLU_CTRL_MVS | VI6_CLU_CTRL_EN;
200
201
202 if (clu->mode == V4L2_CID_VSP1_CLU_MODE_2D && clu->yuv_mode)
203 ctrl |= VI6_CLU_CTRL_AX1I_2D | VI6_CLU_CTRL_AX2I_2D
204 | VI6_CLU_CTRL_OS0_2D | VI6_CLU_CTRL_OS1_2D
205 | VI6_CLU_CTRL_OS2_2D | VI6_CLU_CTRL_M2D;
206
207 vsp1_clu_write(clu, dlb, VI6_CLU_CTRL, ctrl);
208
209 spin_lock_irqsave(&clu->lock, flags);
210 clu_dlb = clu->clu;
211 clu->clu = NULL;
212 spin_unlock_irqrestore(&clu->lock, flags);
213
214 if (clu_dlb) {
215 vsp1_dl_list_add_body(dl, clu_dlb);
216
217
218 vsp1_dl_body_put(clu_dlb);
219 }
220}
221
222static void clu_destroy(struct vsp1_entity *entity)
223{
224 struct vsp1_clu *clu = to_clu(&entity->subdev);
225
226 vsp1_dl_body_pool_destroy(clu->pool);
227}
228
229static const struct vsp1_entity_operations clu_entity_ops = {
230 .configure_stream = clu_configure_stream,
231 .configure_frame = clu_configure_frame,
232 .destroy = clu_destroy,
233};
234
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236
237
238
239struct vsp1_clu *vsp1_clu_create(struct vsp1_device *vsp1)
240{
241 struct vsp1_clu *clu;
242 int ret;
243
244 clu = devm_kzalloc(vsp1->dev, sizeof(*clu), GFP_KERNEL);
245 if (clu == NULL)
246 return ERR_PTR(-ENOMEM);
247
248 spin_lock_init(&clu->lock);
249
250 clu->entity.ops = &clu_entity_ops;
251 clu->entity.type = VSP1_ENTITY_CLU;
252
253 ret = vsp1_entity_init(vsp1, &clu->entity, "clu", 2, &clu_ops,
254 MEDIA_ENT_F_PROC_VIDEO_LUT);
255 if (ret < 0)
256 return ERR_PTR(ret);
257
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263
264 clu->pool = vsp1_dl_body_pool_create(clu->entity.vsp1, 3, CLU_SIZE + 1,
265 0);
266 if (!clu->pool)
267 return ERR_PTR(-ENOMEM);
268
269
270 v4l2_ctrl_handler_init(&clu->ctrls, 2);
271 v4l2_ctrl_new_custom(&clu->ctrls, &clu_table_control, NULL);
272 v4l2_ctrl_new_custom(&clu->ctrls, &clu_mode_control, NULL);
273
274 clu->entity.subdev.ctrl_handler = &clu->ctrls;
275
276 if (clu->ctrls.error) {
277 dev_err(vsp1->dev, "clu: failed to initialize controls\n");
278 ret = clu->ctrls.error;
279 vsp1_entity_destroy(&clu->entity);
280 return ERR_PTR(ret);
281 }
282
283 v4l2_ctrl_handler_setup(&clu->ctrls);
284
285 return clu;
286}
287