1 /*
2 * Copyright (C) 2005-2006 Micronas USA Inc.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License (Version 2) as
6 * published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software Foundation,
15 * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
16 */
17
18 /*
19 * This is the private include file for the go7007 driver. It should not
20 * be included by anybody but the driver itself, and especially not by
21 * user-space applications.
22 */
23
24 struct go7007;
25
26 /* IDs to activate board-specific support code */
27 #define GO7007_BOARDID_MATRIX_II 0
28 #define GO7007_BOARDID_MATRIX_RELOAD 1
29 #define GO7007_BOARDID_STAR_TREK 2
30 #define GO7007_BOARDID_PCI_VOYAGER 3
31 #define GO7007_BOARDID_XMEN 4
32 #define GO7007_BOARDID_XMEN_II 5
33 #define GO7007_BOARDID_XMEN_III 6
34 #define GO7007_BOARDID_MATRIX_REV 7
35 #define GO7007_BOARDID_PX_M402U 16
36 #define GO7007_BOARDID_PX_TV402U_ANY 17 /* need to check tuner model */
37 #define GO7007_BOARDID_PX_TV402U_NA 18 /* detected NTSC tuner */
38 #define GO7007_BOARDID_PX_TV402U_EU 19 /* detected PAL tuner */
39 #define GO7007_BOARDID_PX_TV402U_JP 20 /* detected NTSC-J tuner */
40 #define GO7007_BOARDID_LIFEVIEW_LR192 21 /* TV Walker Ultra */
41 #define GO7007_BOARDID_ENDURA 22
42 #define GO7007_BOARDID_ADLINK_MPG24 23
43 #define GO7007_BOARDID_SENSORAY_2250 24 /* Sensoray 2250/2251 */
44
45 /* Various characteristics of each board */
46 #define GO7007_BOARD_HAS_AUDIO (1<<0)
47 #define GO7007_BOARD_USE_ONBOARD_I2C (1<<1)
48 #define GO7007_BOARD_HAS_TUNER (1<<2)
49
50 /* Characteristics of sensor devices */
51 #define GO7007_SENSOR_VALID_POLAR (1<<0)
52 #define GO7007_SENSOR_HREF_POLAR (1<<1)
53 #define GO7007_SENSOR_VREF_POLAR (1<<2)
54 #define GO7007_SENSOR_FIELD_ID_POLAR (1<<3)
55 #define GO7007_SENSOR_BIT_WIDTH (1<<4)
56 #define GO7007_SENSOR_VALID_ENABLE (1<<5)
57 #define GO7007_SENSOR_656 (1<<6)
58 #define GO7007_SENSOR_CONFIG_MASK 0x7f
59 #define GO7007_SENSOR_TV (1<<7)
60 #define GO7007_SENSOR_VBI (1<<8)
61 #define GO7007_SENSOR_SCALING (1<<9)
62
63 /* Characteristics of audio sensor devices */
64 #define GO7007_AUDIO_I2S_MODE_1 (1)
65 #define GO7007_AUDIO_I2S_MODE_2 (2)
66 #define GO7007_AUDIO_I2S_MODE_3 (3)
67 #define GO7007_AUDIO_BCLK_POLAR (1<<2)
68 #define GO7007_AUDIO_WORD_14 (14<<4)
69 #define GO7007_AUDIO_WORD_16 (16<<4)
70 #define GO7007_AUDIO_ONE_CHANNEL (1<<11)
71 #define GO7007_AUDIO_I2S_MASTER (1<<16)
72 #define GO7007_AUDIO_OKI_MODE (1<<17)
73
74 struct go7007_board_info {
75 char *firmware;
76 unsigned int flags;
77 int hpi_buffer_cap;
78 unsigned int sensor_flags;
79 int sensor_width;
80 int sensor_height;
81 int sensor_framerate;
82 int sensor_h_offset;
83 int sensor_v_offset;
84 unsigned int audio_flags;
85 int audio_rate;
86 int audio_bclk_div;
87 int audio_main_div;
88 int num_i2c_devs;
89 struct {
90 const char *type;
91 int id;
92 int addr;
93 } i2c_devs[4];
94 int num_inputs;
95 struct {
96 int video_input;
97 int audio_input;
98 char *name;
99 } inputs[4];
100 };
101
102 struct go7007_hpi_ops {
103 int (*interface_reset)(struct go7007 *go);
104 int (*write_interrupt)(struct go7007 *go, int addr, int data);
105 int (*read_interrupt)(struct go7007 *go);
106 int (*stream_start)(struct go7007 *go);
107 int (*stream_stop)(struct go7007 *go);
108 int (*send_firmware)(struct go7007 *go, u8 *data, int len);
109 int (*send_command)(struct go7007 *go, unsigned int cmd, void *arg);
110 };
111
112 /* The video buffer size must be a multiple of PAGE_SIZE */
113 #define GO7007_BUF_PAGES (128 * 1024 / PAGE_SIZE)
114 #define GO7007_BUF_SIZE (GO7007_BUF_PAGES << PAGE_SHIFT)
115
116 struct go7007_buffer {
117 struct go7007 *go; /* Reverse reference for VMA ops */
118 int index; /* Reverse reference for DQBUF */
119 enum { BUF_STATE_IDLE, BUF_STATE_QUEUED, BUF_STATE_DONE } state;
120 u32 seq;
121 struct timeval timestamp;
122 struct list_head stream;
123 struct page *pages[GO7007_BUF_PAGES + 1]; /* extra for straddling */
124 unsigned long user_addr;
125 unsigned int page_count;
126 unsigned int offset;
127 unsigned int bytesused;
128 unsigned int frame_offset;
129 u32 modet_active;
130 int mapped;
131 };
132
133 struct go7007_file {
134 struct go7007 *go;
135 struct semaphore lock;
136 int buf_count;
137 struct go7007_buffer *bufs;
138 };
139
140 #define GO7007_FORMAT_MJPEG 0
141 #define GO7007_FORMAT_MPEG4 1
142 #define GO7007_FORMAT_MPEG1 2
143 #define GO7007_FORMAT_MPEG2 3
144 #define GO7007_FORMAT_H263 4
145
146 #define GO7007_RATIO_1_1 0
147 #define GO7007_RATIO_4_3 1
148 #define GO7007_RATIO_16_9 2
149
150 enum go7007_parser_state {
151 STATE_DATA,
152 STATE_00,
153 STATE_00_00,
154 STATE_00_00_01,
155 STATE_FF,
156 STATE_VBI_LEN_A,
157 STATE_VBI_LEN_B,
158 STATE_MODET_MAP,
159 STATE_UNPARSED,
160 };
161
162 struct go7007 {
163 struct device *dev;
164 struct go7007_board_info *board_info;
165 unsigned int board_id;
166 int tuner_type;
167 int channel_number; /* for multi-channel boards like Adlink PCI-MPG24 */
168 char name[64];
169 struct video_device *video_dev;
170 int ref_count;
171 enum { STATUS_INIT, STATUS_ONLINE, STATUS_SHUTDOWN } status;
172 spinlock_t spinlock;
173 struct semaphore hw_lock;
174 int streaming;
175 int in_use;
176 int audio_enabled;
177
178 /* Video input */
179 int input;
180 enum { GO7007_STD_NTSC, GO7007_STD_PAL, GO7007_STD_OTHER } standard;
181 int sensor_framerate;
182 int width;
183 int height;
184 int encoder_h_offset;
185 int encoder_v_offset;
186 unsigned int encoder_h_halve:1;
187 unsigned int encoder_v_halve:1;
188 unsigned int encoder_subsample:1;
189
190 /* Encoder config */
191 int format;
192 int bitrate;
193 int fps_scale;
194 int pali;
195 int aspect_ratio;
196 int gop_size;
197 unsigned int ipb:1;
198 unsigned int closed_gop:1;
199 unsigned int repeat_seqhead:1;
200 unsigned int seq_header_enable:1;
201 unsigned int gop_header_enable:1;
202 unsigned int dvd_mode:1;
203 unsigned int interlace_coding:1;
204
205 /* Motion detection */
206 unsigned int modet_enable:1;
207 struct {
208 unsigned int enable:1;
209 int pixel_threshold;
210 int motion_threshold;
211 int mb_threshold;
212 } modet[4];
213 unsigned char modet_map[1624];
214 unsigned char active_map[216];
215
216 /* Video streaming */
217 struct go7007_buffer *active_buf;
218 enum go7007_parser_state state;
219 int parse_length;
220 u16 modet_word;
221 int seen_frame;
222 u32 next_seq;
223 struct list_head stream;
224 wait_queue_head_t frame_waitq;
225
226 /* Audio streaming */
227 void (*audio_deliver)(struct go7007 *go, u8 *buf, int length);
228 void *snd_context;
229
230 /* I2C */
231 int i2c_adapter_online;
232 struct i2c_adapter i2c_adapter;
233
234 /* HPI driver */
235 struct go7007_hpi_ops *hpi_ops;
236 void *hpi_context;
237 int interrupt_available;
238 wait_queue_head_t interrupt_waitq;
239 unsigned short interrupt_value;
240 unsigned short interrupt_data;
241 };
242
243 /* All of these must be called with the hpi_lock semaphore held! */
244 #define go7007_interface_reset(go) \
245 ((go)->hpi_ops->interface_reset(go))
246 #define go7007_write_interrupt(go, x, y) \
247 ((go)->hpi_ops->write_interrupt)((go), (x), (y))
248 #define go7007_stream_start(go) \
249 ((go)->hpi_ops->stream_start(go))
250 #define go7007_stream_stop(go) \
251 ((go)->hpi_ops->stream_stop(go))
252 #define go7007_send_firmware(go, x, y) \
253 ((go)->hpi_ops->send_firmware)((go), (x), (y))
254 #define go7007_write_addr(go, x, y) \
255 ((go)->hpi_ops->write_interrupt)((go), (x)|0x8000, (y))
256
257 /* go7007-driver.c */
258 int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data);
259 int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data);
260 int go7007_boot_encoder(struct go7007 *go, int init_i2c);
261 int go7007_reset_encoder(struct go7007 *go);
262 int go7007_register_encoder(struct go7007 *go);
263 int go7007_start_encoder(struct go7007 *go);
264 void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length);
265 struct go7007 *go7007_alloc(struct go7007_board_info *board,
266 struct device *dev);
267 void go7007_remove(struct go7007 *go);
268
269 /* go7007-fw.c */
270 int go7007_construct_fw_image(struct go7007 *go, u8 **fw, int *fwlen);
271
272 /* go7007-i2c.c */
273 int go7007_i2c_init(struct go7007 *go);
274 int go7007_i2c_remove(struct go7007 *go);
275
276 /* go7007-v4l2.c */
277 int go7007_v4l2_init(struct go7007 *go);
278 void go7007_v4l2_remove(struct go7007 *go);
279
280 /* snd-go7007.c */
281 int go7007_snd_init(struct go7007 *go);
282 int go7007_snd_remove(struct go7007 *go);
283
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