Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
[linux-2.6] / drivers / media / video / pvrusb2 / pvrusb2-i2c-cmd-v4l2.c
1 /*
2  *
3  *
4  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
5  *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License as published by
9  *  the Free Software Foundation; either version 2 of the License
10  *
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
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  *
20  */
21
22 #include "pvrusb2-i2c-cmd-v4l2.h"
23 #include "pvrusb2-hdw-internal.h"
24 #include "pvrusb2-debug.h"
25 #include <linux/videodev2.h>
26 #include <media/v4l2-common.h>
27
28 static void set_standard(struct pvr2_hdw *hdw)
29 {
30         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_standard");
31
32         if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
33                 pvr2_i2c_core_cmd(hdw,AUDC_SET_RADIO,NULL);
34         } else {
35                 v4l2_std_id vs;
36                 vs = hdw->std_mask_cur;
37                 pvr2_i2c_core_cmd(hdw,VIDIOC_S_STD,&vs);
38         }
39         hdw->tuner_signal_stale = !0;
40         hdw->cropcap_stale = !0;
41 }
42
43
44 static int check_standard(struct pvr2_hdw *hdw)
45 {
46         return (hdw->input_dirty != 0) || (hdw->std_dirty != 0);
47 }
48
49
50 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_standard = {
51         .check = check_standard,
52         .update = set_standard,
53         .name = "v4l2_standard",
54 };
55
56
57 static void set_bcsh(struct pvr2_hdw *hdw)
58 {
59         struct v4l2_control ctrl;
60         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_bcsh"
61                    " b=%d c=%d s=%d h=%d",
62                    hdw->brightness_val,hdw->contrast_val,
63                    hdw->saturation_val,hdw->hue_val);
64         memset(&ctrl,0,sizeof(ctrl));
65         ctrl.id = V4L2_CID_BRIGHTNESS;
66         ctrl.value = hdw->brightness_val;
67         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
68         ctrl.id = V4L2_CID_CONTRAST;
69         ctrl.value = hdw->contrast_val;
70         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
71         ctrl.id = V4L2_CID_SATURATION;
72         ctrl.value = hdw->saturation_val;
73         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
74         ctrl.id = V4L2_CID_HUE;
75         ctrl.value = hdw->hue_val;
76         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
77 }
78
79
80 static int check_bcsh(struct pvr2_hdw *hdw)
81 {
82         return (hdw->brightness_dirty ||
83                 hdw->contrast_dirty ||
84                 hdw->saturation_dirty ||
85                 hdw->hue_dirty);
86 }
87
88
89 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_bcsh = {
90         .check = check_bcsh,
91         .update = set_bcsh,
92         .name = "v4l2_bcsh",
93 };
94
95
96 static void set_volume(struct pvr2_hdw *hdw)
97 {
98         struct v4l2_control ctrl;
99         pvr2_trace(PVR2_TRACE_CHIPS,
100                    "i2c v4l2 set_volume"
101                    "(vol=%d bal=%d bas=%d treb=%d mute=%d)",
102                    hdw->volume_val,
103                    hdw->balance_val,
104                    hdw->bass_val,
105                    hdw->treble_val,
106                    hdw->mute_val);
107         memset(&ctrl,0,sizeof(ctrl));
108         ctrl.id = V4L2_CID_AUDIO_MUTE;
109         ctrl.value = hdw->mute_val ? 1 : 0;
110         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
111         ctrl.id = V4L2_CID_AUDIO_VOLUME;
112         ctrl.value = hdw->volume_val;
113         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
114         ctrl.id = V4L2_CID_AUDIO_BALANCE;
115         ctrl.value = hdw->balance_val;
116         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
117         ctrl.id = V4L2_CID_AUDIO_BASS;
118         ctrl.value = hdw->bass_val;
119         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
120         ctrl.id = V4L2_CID_AUDIO_TREBLE;
121         ctrl.value = hdw->treble_val;
122         pvr2_i2c_core_cmd(hdw,VIDIOC_S_CTRL,&ctrl);
123 }
124
125
126 static int check_volume(struct pvr2_hdw *hdw)
127 {
128         return (hdw->volume_dirty ||
129                 hdw->balance_dirty ||
130                 hdw->bass_dirty ||
131                 hdw->treble_dirty ||
132                 hdw->mute_dirty);
133 }
134
135
136 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_volume = {
137         .check = check_volume,
138         .update = set_volume,
139         .name = "v4l2_volume",
140 };
141
142
143 static void set_audiomode(struct pvr2_hdw *hdw)
144 {
145         struct v4l2_tuner vt;
146         memset(&vt,0,sizeof(vt));
147         vt.audmode = hdw->audiomode_val;
148         pvr2_i2c_core_cmd(hdw,VIDIOC_S_TUNER,&vt);
149 }
150
151
152 static int check_audiomode(struct pvr2_hdw *hdw)
153 {
154         return (hdw->input_dirty ||
155                 hdw->audiomode_dirty);
156 }
157
158
159 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_audiomode = {
160         .check = check_audiomode,
161         .update = set_audiomode,
162         .name = "v4l2_audiomode",
163 };
164
165
166 static void set_frequency(struct pvr2_hdw *hdw)
167 {
168         unsigned long fv;
169         struct v4l2_frequency freq;
170         fv = pvr2_hdw_get_cur_freq(hdw);
171         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_freq(%lu)",fv);
172         if (hdw->tuner_signal_stale) {
173                 pvr2_i2c_core_status_poll(hdw);
174         }
175         memset(&freq,0,sizeof(freq));
176         if (hdw->tuner_signal_info.capability & V4L2_TUNER_CAP_LOW) {
177                 // ((fv * 1000) / 62500)
178                 freq.frequency = (fv * 2) / 125;
179         } else {
180                 freq.frequency = fv / 62500;
181         }
182         /* tuner-core currently doesn't seem to care about this, but
183            let's set it anyway for completeness. */
184         if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) {
185                 freq.type = V4L2_TUNER_RADIO;
186         } else {
187                 freq.type = V4L2_TUNER_ANALOG_TV;
188         }
189         freq.tuner = 0;
190         pvr2_i2c_core_cmd(hdw,VIDIOC_S_FREQUENCY,&freq);
191 }
192
193
194 static int check_frequency(struct pvr2_hdw *hdw)
195 {
196         return hdw->freqDirty != 0;
197 }
198
199
200 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_frequency = {
201         .check = check_frequency,
202         .update = set_frequency,
203         .name = "v4l2_freq",
204 };
205
206
207 static void set_size(struct pvr2_hdw *hdw)
208 {
209         struct v4l2_format fmt;
210
211         memset(&fmt,0,sizeof(fmt));
212
213         fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
214         fmt.fmt.pix.width = hdw->res_hor_val;
215         fmt.fmt.pix.height = hdw->res_ver_val;
216
217         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 set_size(%dx%d)",
218                            fmt.fmt.pix.width,fmt.fmt.pix.height);
219
220         pvr2_i2c_core_cmd(hdw,VIDIOC_S_FMT,&fmt);
221 }
222
223
224 static int check_size(struct pvr2_hdw *hdw)
225 {
226         return (hdw->res_hor_dirty || hdw->res_ver_dirty);
227 }
228
229
230 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_size = {
231         .check = check_size,
232         .update = set_size,
233         .name = "v4l2_size",
234 };
235
236
237 static void set_crop(struct pvr2_hdw *hdw)
238 {
239         struct v4l2_crop crop;
240
241         memset(&crop, 0, sizeof crop);
242         crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
243         crop.c.left = hdw->cropl_val;
244         crop.c.top = hdw->cropt_val;
245         crop.c.height = hdw->croph_val;
246         crop.c.width = hdw->cropw_val;
247
248         pvr2_trace(PVR2_TRACE_CHIPS,
249                    "i2c v4l2 set_crop crop=%d:%d:%d:%d",
250                    crop.c.width, crop.c.height, crop.c.left, crop.c.top);
251
252         pvr2_i2c_core_cmd(hdw, VIDIOC_S_CROP, &crop);
253 }
254
255 static int check_crop(struct pvr2_hdw *hdw)
256 {
257         return (hdw->cropl_dirty || hdw->cropt_dirty ||
258                 hdw->cropw_dirty || hdw->croph_dirty);
259 }
260
261 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_crop = {
262         .check = check_crop,
263         .update = set_crop,
264         .name = "v4l2_crop",
265 };
266
267
268 static void do_log(struct pvr2_hdw *hdw)
269 {
270         pvr2_trace(PVR2_TRACE_CHIPS,"i2c v4l2 do_log()");
271         pvr2_i2c_core_cmd(hdw,VIDIOC_LOG_STATUS,NULL);
272
273 }
274
275
276 static int check_log(struct pvr2_hdw *hdw)
277 {
278         return hdw->log_requested != 0;
279 }
280
281
282 const struct pvr2_i2c_op pvr2_i2c_op_v4l2_log = {
283         .check = check_log,
284         .update = do_log,
285         .name = "v4l2_log",
286 };
287
288
289 void pvr2_v4l2_cmd_stream(struct pvr2_i2c_client *cp,int fl)
290 {
291         pvr2_i2c_client_cmd(cp,
292                             (fl ? VIDIOC_STREAMON : VIDIOC_STREAMOFF),NULL);
293 }
294
295
296 void pvr2_v4l2_cmd_status_poll(struct pvr2_i2c_client *cp)
297 {
298         int stat;
299         struct pvr2_hdw *hdw = cp->hdw;
300         if (hdw->cropcap_stale) {
301                 hdw->cropcap_info.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
302                 stat = pvr2_i2c_client_cmd(cp, VIDIOC_CROPCAP,
303                                            &hdw->cropcap_info);
304                 if (stat == 0) {
305                         /* Check was successful, so the data is no
306                            longer considered stale. */
307                         hdw->cropcap_stale = 0;
308                 }
309         }
310         pvr2_i2c_client_cmd(cp, VIDIOC_G_TUNER, &hdw->tuner_signal_info);
311 }
312
313
314 /*
315   Stuff for Emacs to see, in order to encourage consistent editing style:
316   *** Local Variables: ***
317   *** mode: c ***
318   *** fill-column: 70 ***
319   *** tab-width: 8 ***
320   *** c-basic-offset: 8 ***
321   *** End: ***
322   */