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13#include <linux/i2c.h>
14#include <sound/core.h>
15#include <sound/ac97_codec.h>
16#include <media/videobuf2-v4l2.h>
17#include <media/v4l2-device.h>
18#include <media/v4l2-ctrls.h>
19
20#define STK1160_VERSION "0.9.5"
21#define STK1160_VERSION_NUM 0x000905
22
23
24#define STK1160_NUM_PACKETS 64
25
26
27#define STK1160_NUM_BUFS 16
28#define STK1160_MIN_BUFS 1
29
30
31#define STK1160_EP_VIDEO 0x82
32#define STK1160_EP_AUDIO 0x81
33
34
35#define STK1160_MIN_VIDEO_BUFFERS 8
36#define STK1160_MAX_VIDEO_BUFFERS 32
37
38#define STK1160_MIN_PKT_SIZE 3072
39
40#define STK1160_MAX_INPUT 4
41#define STK1160_SVIDEO_INPUT 4
42
43#define STK1160_AC97_TIMEOUT 50
44
45#define STK1160_I2C_TIMEOUT 100
46
47
48
49
50
51
52
53#ifdef DEBUG
54#define stk1160_dbg(fmt, args...) \
55 printk(KERN_DEBUG "stk1160: " fmt, ## args)
56#else
57#define stk1160_dbg(fmt, args...)
58#endif
59
60#define stk1160_info(fmt, args...) \
61 pr_info("stk1160: " fmt, ## args)
62
63#define stk1160_warn(fmt, args...) \
64 pr_warn("stk1160: " fmt, ## args)
65
66#define stk1160_err(fmt, args...) \
67 pr_err("stk1160: " fmt, ## args)
68
69
70struct stk1160_buffer {
71
72 struct vb2_v4l2_buffer vb;
73 struct list_head list;
74
75 void *mem;
76 unsigned int length;
77 unsigned int bytesused;
78 int odd;
79
80
81
82
83
84 unsigned int pos;
85};
86
87struct stk1160_isoc_ctl {
88
89 int max_pkt_size;
90
91
92 int num_bufs;
93
94
95 struct urb **urb;
96
97
98 char **transfer_buffer;
99
100
101 struct stk1160_buffer *buf;
102};
103
104struct stk1160_fmt {
105 char *name;
106 u32 fourcc;
107 int depth;
108};
109
110struct stk1160 {
111 struct v4l2_device v4l2_dev;
112 struct video_device vdev;
113 struct v4l2_ctrl_handler ctrl_handler;
114
115 struct device *dev;
116 struct usb_device *udev;
117
118
119 struct v4l2_subdev *sd_saa7115;
120
121
122 struct list_head avail_bufs;
123
124
125 struct vb2_queue vb_vidq;
126
127
128 int max_pkt_size;
129
130 unsigned int *alt_max_pkt_size;
131
132 int alt;
133
134 int num_alt;
135
136 struct stk1160_isoc_ctl isoc_ctl;
137
138
139 int width;
140 int height;
141 unsigned int ctl_input;
142 v4l2_std_id norm;
143 struct stk1160_fmt *fmt;
144
145 unsigned int sequence;
146
147
148 struct i2c_adapter i2c_adap;
149 struct i2c_client i2c_client;
150
151 struct mutex v4l_lock;
152 struct mutex vb_queue_lock;
153 spinlock_t buf_lock;
154
155 struct file *fh_owner;
156
157
158 struct snd_card *snd_card;
159};
160
161struct regval {
162 u16 reg;
163 u16 val;
164};
165
166
167int stk1160_vb2_setup(struct stk1160 *dev);
168int stk1160_video_register(struct stk1160 *dev);
169void stk1160_video_unregister(struct stk1160 *dev);
170void stk1160_clear_queue(struct stk1160 *dev);
171
172
173int stk1160_alloc_isoc(struct stk1160 *dev);
174void stk1160_free_isoc(struct stk1160 *dev);
175void stk1160_cancel_isoc(struct stk1160 *dev);
176void stk1160_uninit_isoc(struct stk1160 *dev);
177
178
179int stk1160_i2c_register(struct stk1160 *dev);
180int stk1160_i2c_unregister(struct stk1160 *dev);
181
182
183int stk1160_read_reg(struct stk1160 *dev, u16 reg, u8 *value);
184int stk1160_write_reg(struct stk1160 *dev, u16 reg, u16 value);
185int stk1160_write_regs_req(struct stk1160 *dev, u8 req, u16 reg,
186 char *buf, int len);
187int stk1160_read_reg_req_len(struct stk1160 *dev, u8 req, u16 reg,
188 char *buf, int len);
189void stk1160_select_input(struct stk1160 *dev);
190
191
192void stk1160_ac97_setup(struct stk1160 *dev);
193