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
set_standard(struct pvr2_hdw * hdw)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
check_standard(struct pvr2_hdw * hdw)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
set_bcsh(struct pvr2_hdw * hdw)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
check_bcsh(struct pvr2_hdw * hdw)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
set_volume(struct pvr2_hdw * hdw)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
check_volume(struct pvr2_hdw * hdw)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
set_audiomode(struct pvr2_hdw * hdw)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
check_audiomode(struct pvr2_hdw * hdw)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
set_frequency(struct pvr2_hdw * hdw)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
check_frequency(struct pvr2_hdw * hdw)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
set_size(struct pvr2_hdw * hdw)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
check_size(struct pvr2_hdw * hdw)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
set_crop(struct pvr2_hdw * hdw)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
check_crop(struct pvr2_hdw * hdw)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
do_log(struct pvr2_hdw * hdw)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
check_log(struct pvr2_hdw * hdw)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
pvr2_v4l2_cmd_stream(struct pvr2_i2c_client * cp,int fl)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
pvr2_v4l2_cmd_status_poll(struct pvr2_i2c_client * cp)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 */
323