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6#ifndef FIMC_MDEVICE_H_
7#define FIMC_MDEVICE_H_
8
9#include <linux/clk.h>
10#include <linux/clk-provider.h>
11#include <linux/platform_device.h>
12#include <linux/mutex.h>
13#include <linux/of.h>
14#include <linux/pinctrl/consumer.h>
15#include <media/media-device.h>
16#include <media/media-entity.h>
17#include <media/v4l2-device.h>
18#include <media/v4l2-subdev.h>
19#include <media/drv-intf/exynos-fimc.h>
20
21#include "fimc-core.h"
22#include "fimc-lite.h"
23#include "mipi-csis.h"
24
25#define FIMC_OF_NODE_NAME "fimc"
26#define FIMC_LITE_OF_NODE_NAME "fimc-lite"
27#define FIMC_IS_OF_NODE_NAME "fimc-is"
28#define CSIS_OF_NODE_NAME "csis"
29
30#define PINCTRL_STATE_IDLE "idle"
31
32#define FIMC_MAX_SENSORS 4
33#define FIMC_MAX_CAMCLKS 2
34#define DEFAULT_SENSOR_CLK_FREQ 24000000U
35
36
37enum {
38 CLK_IDX_WB_A,
39 CLK_IDX_WB_B,
40 FIMC_MAX_WBCLKS
41};
42
43enum fimc_subdev_index {
44 IDX_SENSOR,
45 IDX_CSIS,
46 IDX_FLITE,
47 IDX_IS_ISP,
48 IDX_FIMC,
49 IDX_MAX,
50};
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56
57struct fimc_pipeline {
58 struct exynos_media_pipeline ep;
59 struct list_head list;
60 struct media_entity *vdev_entity;
61 struct v4l2_subdev *subdevs[IDX_MAX];
62};
63
64#define to_fimc_pipeline(_ep) container_of(_ep, struct fimc_pipeline, ep)
65
66struct fimc_csis_info {
67 struct v4l2_subdev *sd;
68 int id;
69};
70
71struct fimc_camclk_info {
72 struct clk *clock;
73 int use_count;
74 unsigned long frequency;
75};
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86struct fimc_sensor_info {
87 struct fimc_source_info pdata;
88 struct v4l2_async_subdev asd;
89 struct v4l2_subdev *subdev;
90 struct fimc_dev *host;
91};
92
93struct cam_clk {
94 struct clk_hw hw;
95 struct fimc_md *fmd;
96};
97#define to_cam_clk(_hw) container_of(_hw, struct cam_clk, hw)
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119struct fimc_md {
120 struct fimc_csis_info csis[CSIS_MAX_ENTITIES];
121 struct fimc_sensor_info sensor[FIMC_MAX_SENSORS];
122 int num_sensors;
123 struct fimc_camclk_info camclk[FIMC_MAX_CAMCLKS];
124 struct clk *wbclk[FIMC_MAX_WBCLKS];
125 struct fimc_lite *fimc_lite[FIMC_LITE_MAX_DEVS];
126 struct fimc_dev *fimc[FIMC_MAX_DEVS];
127 struct fimc_is *fimc_is;
128 bool use_isp;
129 struct device *pmf;
130 struct media_device media_dev;
131 struct v4l2_device v4l2_dev;
132 struct platform_device *pdev;
133
134 struct fimc_pinctrl {
135 struct pinctrl *pinctrl;
136 struct pinctrl_state *state_default;
137 struct pinctrl_state *state_idle;
138 } pinctl;
139
140 struct cam_clk_provider {
141 struct clk *clks[FIMC_MAX_CAMCLKS];
142 struct clk_onecell_data clk_data;
143 struct device_node *of_node;
144 struct cam_clk camclk[FIMC_MAX_CAMCLKS];
145 int num_clocks;
146 } clk_provider;
147
148 struct v4l2_async_notifier subdev_notifier;
149
150 bool user_subdev_api;
151 spinlock_t slock;
152 struct list_head pipelines;
153 struct media_graph link_setup_graph;
154};
155
156static inline
157struct fimc_sensor_info *source_to_sensor_info(struct fimc_source_info *si)
158{
159 return container_of(si, struct fimc_sensor_info, pdata);
160}
161
162static inline struct fimc_md *entity_to_fimc_mdev(struct media_entity *me)
163{
164 return me->graph_obj.mdev == NULL ? NULL :
165 container_of(me->graph_obj.mdev, struct fimc_md, media_dev);
166}
167
168static inline struct fimc_md *notifier_to_fimc_md(struct v4l2_async_notifier *n)
169{
170 return container_of(n, struct fimc_md, subdev_notifier);
171}
172
173static inline void fimc_md_graph_lock(struct exynos_video_entity *ve)
174{
175 mutex_lock(&ve->vdev.entity.graph_obj.mdev->graph_mutex);
176}
177
178static inline void fimc_md_graph_unlock(struct exynos_video_entity *ve)
179{
180 mutex_unlock(&ve->vdev.entity.graph_obj.mdev->graph_mutex);
181}
182
183int fimc_md_set_camclk(struct v4l2_subdev *sd, bool on);
184
185#ifdef CONFIG_OF
186static inline bool fimc_md_is_isp_available(struct device_node *node)
187{
188 node = of_get_child_by_name(node, FIMC_IS_OF_NODE_NAME);
189 return node ? of_device_is_available(node) : false;
190}
191#else
192#define fimc_md_is_isp_available(node) (false)
193#endif
194
195static inline struct v4l2_subdev *__fimc_md_get_subdev(
196 struct exynos_media_pipeline *ep,
197 unsigned int index)
198{
199 struct fimc_pipeline *p = to_fimc_pipeline(ep);
200
201 if (!p || index >= IDX_MAX)
202 return NULL;
203 else
204 return p->subdevs[index];
205}
206
207#endif
208