2 * Driver for the Auvitek AU0828 USB bridge
4 * Copyright (c) 2008 Steven Toth <stoth@linuxtv.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20 #include <linux/bitops.h>
21 #include <linux/usb.h>
22 #include <linux/i2c.h>
23 #include <linux/i2c-algo-bit.h>
24 #include <media/tveeprom.h>
27 #include <linux/videodev2.h>
28 #include <media/videobuf2-v4l2.h>
29 #include <media/videobuf2-vmalloc.h>
30 #include <media/v4l2-device.h>
31 #include <media/v4l2-ctrls.h>
32 #include <media/v4l2-fh.h>
33 #include <media/media-device.h>
38 #include "dvb_demux.h"
39 #include "dvb_frontend.h"
43 #include "au0828-reg.h"
44 #include "au0828-cards.h"
47 #define URB_BUFSIZE (0xe522)
49 /* Analog constants */
50 #define NTSC_STD_W 720
51 #define NTSC_STD_H 480
53 #define AU0828_INTERLACED_DEFAULT 1
55 /* Defination for AU0828 USB transfer */
56 #define AU0828_MAX_ISO_BUFS 12 /* maybe resize this value in the future */
57 #define AU0828_ISO_PACKETS_PER_URB 128
59 #define AU0828_MIN_BUF 4
60 #define AU0828_DEF_BUF 8
62 #define AU0828_MAX_INPUT 4
64 /* au0828 resource types (used for res_get/res_lock etc */
65 #define AU0828_RESOURCE_VIDEO 0x01
66 #define AU0828_RESOURCE_VBI 0x02
69 AU0828_VMUX_UNDEFINED
= 0,
70 AU0828_VMUX_COMPOSITE
,
73 AU0828_VMUX_TELEVISION
,
78 enum au0828_itype type
;
81 void (*audio_setup
) (void *priv
, int enable
);
86 unsigned int tuner_type
;
87 unsigned char tuner_addr
;
88 unsigned char i2c_clk_divider
;
89 unsigned char has_ir_i2c
:1;
90 unsigned char has_analog
:1;
91 struct au0828_input input
[AU0828_MAX_INPUT
];
96 struct dvb_adapter adapter
;
97 struct dvb_frontend
*frontend
;
98 struct dvb_demux demux
;
100 struct dmx_frontend fe_hw
;
101 struct dmx_frontend fe_mem
;
107 int (*set_frontend
)(struct dvb_frontend
*fe
);
110 enum au0828_stream_state
{
116 #define AUVI_INPUT(nr) (dev->board.input[nr])
119 enum au0828_dev_state
{
121 DEV_DISCONNECTED
= 1,
122 DEV_MISCONFIGURED
= 2
127 struct au0828_usb_isoc_ctl
{
128 /* max packet size of isoc transaction */
131 /* number of allocated urbs */
134 /* urb for isoc transfers */
137 /* transfer buffers for isoc transfer */
138 char **transfer_buffer
;
140 /* Last buffer command and region */
142 int pos
, size
, pktsize
;
144 /* Last field: ODD or EVEN? */
147 /* Stores incomplete commands */
151 /* Stores already requested buffers */
152 struct au0828_buffer
*buf
;
153 struct au0828_buffer
*vbi_buf
;
155 /* Stores the number of received fields */
158 /* isoc urb callback */
159 int (*isoc_copy
) (struct au0828_dev
*dev
, struct urb
*urb
);
163 /* buffer for one video frame */
164 struct au0828_buffer
{
165 /* common v4l buffer stuff -- must be first */
166 struct vb2_v4l2_buffer vb
;
167 struct list_head list
;
170 unsigned long length
;
172 /* pointer to vmalloc memory address in vb */
176 struct au0828_dmaqueue
{
177 struct list_head active
;
178 /* Counters to control buffer fill */
184 struct usb_device
*usbdev
;
186 struct au0828_board board
;
190 struct i2c_adapter i2c_adap
;
191 struct i2c_algorithm i2c_algo
;
192 struct i2c_client i2c_client
;
196 struct au0828_dvb dvb
;
197 struct work_struct restart_streaming
;
199 #ifdef CONFIG_VIDEO_AU0828_V4L2
201 struct v4l2_device v4l2_dev
;
202 struct v4l2_ctrl_handler v4l2_ctrl_hdl
;
204 #ifdef CONFIG_VIDEO_AU0828_RC
205 struct au0828_rc
*ir
;
208 struct video_device vdev
;
209 struct video_device vbi_dev
;
212 struct vb2_queue vb_vidq
;
213 struct vb2_queue vb_vbiq
;
214 struct mutex vb_queue_lock
;
215 struct mutex vb_vbi_queue_lock
;
217 unsigned int frame_count
;
218 unsigned int vbi_frame_count
;
220 struct timer_list vid_timeout
;
221 int vid_timeout_running
;
222 struct timer_list vbi_timeout
;
223 int vbi_timeout_running
;
239 __u8 isoc_in_endpointaddr
;
241 int greenscreen_detected
;
244 int std_set_in_tuner_core
;
245 unsigned int ctrl_input
;
246 long unsigned int dev_state
; /* defined at enum au0828_dev_state */;
247 enum au0828_stream_state stream_state
;
248 wait_queue_head_t open
;
252 /* Isoc control struct */
253 struct au0828_dmaqueue vidq
;
254 struct au0828_dmaqueue vbiq
;
255 struct au0828_usb_isoc_ctl isoc_ctl
;
259 int alt
; /* alternate */
260 int max_pkt_size
; /* max packet size of isoc transaction */
261 int num_alt
; /* Number of alternative settings */
262 unsigned int *alt_max_pkt_size
; /* array of wMaxPacketSize */
263 struct urb
*urb
[AU0828_MAX_ISO_BUFS
]; /* urb for isoc transfers */
264 char *transfer_buffer
[AU0828_MAX_ISO_BUFS
];/* transfer buffers for isoc
267 /* DVB USB / URB Related */
268 bool urb_streaming
, need_urb_start
;
269 struct urb
*urbs
[URB_COUNT
];
271 /* Preallocated transfer digital transfer buffers */
273 char *dig_transfer_buffer
[URB_COUNT
];
275 #ifdef CONFIG_MEDIA_CONTROLLER
276 struct media_device
*media_dev
;
277 struct media_pad video_pad
, vbi_pad
;
278 struct media_entity
*decoder
;
279 struct media_entity input_ent
[AU0828_MAX_INPUT
];
280 struct media_pad input_pad
[AU0828_MAX_INPUT
];
281 struct media_entity_notify entity_notify
;
282 struct media_entity
*tuner
;
283 struct media_link
*active_link
;
284 struct media_entity
*active_link_owner
;
285 struct media_entity
*active_source
;
286 struct media_entity
*active_sink
;
291 /* ----------------------------------------------------------- */
292 #define au0828_read(dev, reg) au0828_readreg(dev, reg)
293 #define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value)
294 #define au0828_andor(dev, reg, mask, value) \
295 au0828_writereg(dev, reg, \
296 (au0828_readreg(dev, reg) & ~(mask)) | ((value) & (mask)))
298 #define au0828_set(dev, reg, bit) au0828_andor(dev, (reg), (bit), (bit))
299 #define au0828_clear(dev, reg, bit) au0828_andor(dev, (reg), (bit), 0)
301 /* ----------------------------------------------------------- */
303 extern u32
au0828_read(struct au0828_dev
*dev
, u16 reg
);
304 extern u32
au0828_write(struct au0828_dev
*dev
, u16 reg
, u32 val
);
305 extern void au0828_usb_release(struct au0828_dev
*dev
);
306 extern int au0828_debug
;
308 /* ----------------------------------------------------------- */
310 extern struct au0828_board au0828_boards
[];
311 extern struct usb_device_id au0828_usb_id_table
[];
312 extern void au0828_gpio_setup(struct au0828_dev
*dev
);
313 extern int au0828_tuner_callback(void *priv
, int component
,
314 int command
, int arg
);
315 extern void au0828_card_setup(struct au0828_dev
*dev
);
317 /* ----------------------------------------------------------- */
319 extern int au0828_i2c_register(struct au0828_dev
*dev
);
320 extern int au0828_i2c_unregister(struct au0828_dev
*dev
);
322 /* ----------------------------------------------------------- */
324 extern int au0828_start_analog_streaming(struct vb2_queue
*vq
,
326 extern void au0828_stop_vbi_streaming(struct vb2_queue
*vq
);
327 #ifdef CONFIG_VIDEO_AU0828_V4L2
328 extern int au0828_v4l2_device_register(struct usb_interface
*interface
,
329 struct au0828_dev
*dev
);
331 extern int au0828_analog_register(struct au0828_dev
*dev
,
332 struct usb_interface
*interface
);
333 extern int au0828_analog_unregister(struct au0828_dev
*dev
);
334 extern void au0828_usb_v4l2_media_release(struct au0828_dev
*dev
);
335 extern void au0828_v4l2_suspend(struct au0828_dev
*dev
);
336 extern void au0828_v4l2_resume(struct au0828_dev
*dev
);
338 static inline int au0828_v4l2_device_register(struct usb_interface
*interface
,
339 struct au0828_dev
*dev
)
341 static inline int au0828_analog_register(struct au0828_dev
*dev
,
342 struct usb_interface
*interface
)
344 static inline int au0828_analog_unregister(struct au0828_dev
*dev
)
346 static inline void au0828_usb_v4l2_media_release(struct au0828_dev
*dev
) { };
347 static inline void au0828_v4l2_suspend(struct au0828_dev
*dev
) { };
348 static inline void au0828_v4l2_resume(struct au0828_dev
*dev
) { };
351 /* ----------------------------------------------------------- */
353 extern int au0828_dvb_register(struct au0828_dev
*dev
);
354 extern void au0828_dvb_unregister(struct au0828_dev
*dev
);
355 void au0828_dvb_suspend(struct au0828_dev
*dev
);
356 void au0828_dvb_resume(struct au0828_dev
*dev
);
359 extern struct vb2_ops au0828_vbi_qops
;
361 #define dprintk(level, fmt, arg...)\
362 do { if (au0828_debug & level)\
363 printk(KERN_DEBUG pr_fmt(fmt), ## arg);\
367 #ifdef CONFIG_VIDEO_AU0828_RC
368 extern int au0828_rc_register(struct au0828_dev
*dev
);
369 extern void au0828_rc_unregister(struct au0828_dev
*dev
);
370 extern int au0828_rc_suspend(struct au0828_dev
*dev
);
371 extern int au0828_rc_resume(struct au0828_dev
*dev
);
373 static inline int au0828_rc_register(struct au0828_dev
*dev
) { return 0; }
374 static inline void au0828_rc_unregister(struct au0828_dev
*dev
) { }
375 static inline int au0828_rc_suspend(struct au0828_dev
*dev
) { return 0; }
376 static inline int au0828_rc_resume(struct au0828_dev
*dev
) { return 0; }