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26#ifndef V4L2_COMMON_H_
27#define V4L2_COMMON_H_
28
29#include <media/v4l2-dev.h>
30
31
32
33
34#define v4l_printk(level, name, adapter, addr, fmt, arg...) \
35 printk(level "%s %d-%04x: " fmt, name, i2c_adapter_id(adapter), addr , ## arg)
36
37#define v4l_client_printk(level, client, fmt, arg...) \
38 v4l_printk(level, (client)->driver->driver.name, (client)->adapter, \
39 (client)->addr, fmt , ## arg)
40
41#define v4l_err(client, fmt, arg...) \
42 v4l_client_printk(KERN_ERR, client, fmt , ## arg)
43
44#define v4l_warn(client, fmt, arg...) \
45 v4l_client_printk(KERN_WARNING, client, fmt , ## arg)
46
47#define v4l_info(client, fmt, arg...) \
48 v4l_client_printk(KERN_INFO, client, fmt , ## arg)
49
50
51
52#define v4l_dbg(level, debug, client, fmt, arg...) \
53 do { \
54 if (debug >= (level)) \
55 v4l_client_printk(KERN_DEBUG, client, fmt , ## arg); \
56 } while (0)
57
58
59
60
61#define v4l2_printk(level, dev, fmt, arg...) \
62 printk(level "%s: " fmt, (dev)->name , ## arg)
63
64#define v4l2_err(dev, fmt, arg...) \
65 v4l2_printk(KERN_ERR, dev, fmt , ## arg)
66
67#define v4l2_warn(dev, fmt, arg...) \
68 v4l2_printk(KERN_WARNING, dev, fmt , ## arg)
69
70#define v4l2_info(dev, fmt, arg...) \
71 v4l2_printk(KERN_INFO, dev, fmt , ## arg)
72
73
74
75#define v4l2_dbg(level, debug, dev, fmt, arg...) \
76 do { \
77 if (debug >= (level)) \
78 v4l2_printk(KERN_DEBUG, dev, fmt , ## arg); \
79 } while (0)
80
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83
84
85struct v4l2_prio_state {
86 atomic_t prios[4];
87};
88int v4l2_prio_init(struct v4l2_prio_state *global);
89int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
90 enum v4l2_priority new);
91int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local);
92int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local);
93enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
94int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local);
95
96
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98
99
100int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl,
101 const char **menu_items);
102const char *v4l2_ctrl_get_name(u32 id);
103const char **v4l2_ctrl_get_menu(u32 id);
104int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 step, s32 def);
105int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu,
106 struct v4l2_queryctrl *qctrl, const char **menu_items);
107#define V4L2_CTRL_MENU_IDS_END (0xffffffff)
108int v4l2_ctrl_query_menu_valid_items(struct v4l2_querymenu *qmenu, const u32 *ids);
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114u32 v4l2_ctrl_next(const u32 * const *ctrl_classes, u32 id);
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119
120struct i2c_client;
121int v4l2_chip_match_i2c_client(struct i2c_client *c, const struct v4l2_dbg_match *match);
122int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_dbg_chip_ident *chip,
123 u32 ident, u32 revision);
124int v4l2_chip_match_host(const struct v4l2_dbg_match *match);
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129
130struct i2c_driver;
131struct i2c_adapter;
132struct i2c_client;
133struct i2c_device_id;
134struct v4l2_device;
135struct v4l2_subdev;
136struct v4l2_subdev_ops;
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141
142struct v4l2_subdev *v4l2_i2c_new_subdev_cfg(struct v4l2_device *v4l2_dev,
143 struct i2c_adapter *adapter,
144 const char *module_name, const char *client_type,
145 int irq, void *platform_data,
146 u8 addr, const unsigned short *probe_addrs);
147
148
149
150
151static inline struct v4l2_subdev *v4l2_i2c_new_subdev(struct v4l2_device *v4l2_dev,
152 struct i2c_adapter *adapter,
153 const char *module_name, const char *client_type,
154 u8 addr, const unsigned short *probe_addrs)
155{
156 return v4l2_i2c_new_subdev_cfg(v4l2_dev, adapter, module_name,
157 client_type, 0, NULL, addr, probe_addrs);
158}
159
160struct i2c_board_info;
161
162struct v4l2_subdev *v4l2_i2c_new_subdev_board(struct v4l2_device *v4l2_dev,
163 struct i2c_adapter *adapter, const char *module_name,
164 struct i2c_board_info *info, const unsigned short *probe_addrs);
165
166
167void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
168 const struct v4l2_subdev_ops *ops);
169
170unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd);
171
172enum v4l2_i2c_tuner_type {
173 ADDRS_RADIO,
174 ADDRS_DEMOD,
175 ADDRS_TV,
176
177
178
179 ADDRS_TV_WITH_DEMOD,
180};
181
182
183const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type);
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192
193struct v4l2_priv_tun_config {
194 int tuner;
195 void *priv;
196};
197#define TUNER_SET_CONFIG _IOW('d', 92, struct v4l2_priv_tun_config)
198
199#define VIDIOC_INT_RESET _IOW ('d', 102, u32)
200
201struct v4l2_routing {
202 u32 input;
203 u32 output;
204};
205
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208
209
210void v4l_bound_align_image(unsigned int *w, unsigned int wmin,
211 unsigned int wmax, unsigned int walign,
212 unsigned int *h, unsigned int hmin,
213 unsigned int hmax, unsigned int halign,
214 unsigned int salign);
215
216#endif
217