X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fpvrusb2%2Fpvrusb2-cx2584x-v4l.c;h=4e017ff26c368e7a011c487debdb1cdbd96e367b;hp=895859ec495a7737b85ebd2ca47fd4924ed7e5da;hb=d3d52d687a770973b459d8a92ec1adbba3f60c4b;hpb=eb4225b2da2b9f3c1ee43efe58ed1415cc1d4c47 diff --git a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c index 895859ec495a..4e017ff26c36 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c +++ b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c @@ -28,7 +28,6 @@ #include "pvrusb2-cx2584x-v4l.h" #include "pvrusb2-video-v4l.h" -#include "pvrusb2-i2c-cmd-v4l2.h" #include "pvrusb2-hdw-internal.h" @@ -39,14 +38,6 @@ #include #include -struct pvr2_v4l_cx2584x { - struct pvr2_i2c_handler handler; - struct pvr2_decoder_ctrl ctrl; - struct pvr2_i2c_client *client; - struct pvr2_hdw *hdw; - unsigned long stale_mask; -}; - struct routing_scheme_item { int vid; @@ -110,218 +101,44 @@ static const struct routing_scheme routing_schemes[] = { }, }; -static void set_input(struct pvr2_v4l_cx2584x *ctxt) -{ - struct pvr2_hdw *hdw = ctxt->hdw; - struct v4l2_routing route; - enum cx25840_video_input vid_input; - enum cx25840_audio_input aud_input; - const struct routing_scheme *sp; - unsigned int sid = hdw->hdw_desc->signal_routing_scheme; - - memset(&route,0,sizeof(route)); - - if ((sid < ARRAY_SIZE(routing_schemes)) && - ((sp = routing_schemes + sid) != NULL) && - (hdw->input_val >= 0) && - (hdw->input_val < sp->cnt)) { - vid_input = sp->def[hdw->input_val].vid; - aud_input = sp->def[hdw->input_val].aud; - } else { - pvr2_trace(PVR2_TRACE_ERROR_LEGS, - "*** WARNING *** i2c cx2584x set_input:" - " Invalid routing scheme (%u) and/or input (%d)", - sid,hdw->input_val); - return; - } - - pvr2_trace(PVR2_TRACE_CHIPS,"i2c cx2584x set_input vid=0x%x aud=0x%x", - vid_input,aud_input); - route.input = (u32)vid_input; - pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_S_VIDEO_ROUTING,&route); - route.input = (u32)aud_input; - pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_S_AUDIO_ROUTING,&route); -} - - -static int check_input(struct pvr2_v4l_cx2584x *ctxt) -{ - struct pvr2_hdw *hdw = ctxt->hdw; - return hdw->input_dirty != 0; -} - - -static void set_audio(struct pvr2_v4l_cx2584x *ctxt) -{ - u32 val; - struct pvr2_hdw *hdw = ctxt->hdw; - - pvr2_trace(PVR2_TRACE_CHIPS,"i2c cx2584x set_audio %d", - hdw->srate_val); - switch (hdw->srate_val) { - default: - case V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000: - val = 48000; - break; - case V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100: - val = 44100; - break; - case V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000: - val = 32000; - break; - } - pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_AUDIO_CLOCK_FREQ,&val); -} - - -static int check_audio(struct pvr2_v4l_cx2584x *ctxt) -{ - struct pvr2_hdw *hdw = ctxt->hdw; - return hdw->srate_dirty != 0; -} - - -struct pvr2_v4l_cx2584x_ops { - void (*update)(struct pvr2_v4l_cx2584x *); - int (*check)(struct pvr2_v4l_cx2584x *); -}; - - -static const struct pvr2_v4l_cx2584x_ops decoder_ops[] = { - { .update = set_input, .check = check_input}, - { .update = set_audio, .check = check_audio}, -}; - - -static void decoder_detach(struct pvr2_v4l_cx2584x *ctxt) +void pvr2_cx25840_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd) { - ctxt->client->handler = NULL; - pvr2_hdw_set_decoder(ctxt->hdw,NULL); - kfree(ctxt); -} - - -static int decoder_check(struct pvr2_v4l_cx2584x *ctxt) -{ - unsigned long msk; - unsigned int idx; - - for (idx = 0; idx < ARRAY_SIZE(decoder_ops); idx++) { - msk = 1 << idx; - if (ctxt->stale_mask & msk) continue; - if (decoder_ops[idx].check(ctxt)) { - ctxt->stale_mask |= msk; + pvr2_trace(PVR2_TRACE_CHIPS, "subdev cx2584x update..."); + if (hdw->input_dirty || hdw->force_dirty) { + struct v4l2_routing route; + enum cx25840_video_input vid_input; + enum cx25840_audio_input aud_input; + const struct routing_scheme *sp; + unsigned int sid = hdw->hdw_desc->signal_routing_scheme; + + memset(&route, 0, sizeof(route)); + + if ((sid < ARRAY_SIZE(routing_schemes)) && + ((sp = routing_schemes + sid) != NULL) && + (hdw->input_val >= 0) && + (hdw->input_val < sp->cnt)) { + vid_input = sp->def[hdw->input_val].vid; + aud_input = sp->def[hdw->input_val].aud; + } else { + pvr2_trace(PVR2_TRACE_ERROR_LEGS, + "*** WARNING *** subdev cx2584x set_input:" + " Invalid routing scheme (%u)" + " and/or input (%d)", + sid, hdw->input_val); + return; } - } - return ctxt->stale_mask != 0; -} - -static void decoder_update(struct pvr2_v4l_cx2584x *ctxt) -{ - unsigned long msk; - unsigned int idx; - - for (idx = 0; idx < ARRAY_SIZE(decoder_ops); idx++) { - msk = 1 << idx; - if (!(ctxt->stale_mask & msk)) continue; - ctxt->stale_mask &= ~msk; - decoder_ops[idx].update(ctxt); + pvr2_trace(PVR2_TRACE_CHIPS, + "subdev cx2584x set_input vid=0x%x aud=0x%x", + vid_input, aud_input); + route.input = (u32)vid_input; + sd->ops->video->s_routing(sd, &route); + route.input = (u32)aud_input; + sd->ops->audio->s_routing(sd, &route); } } -static void decoder_enable(struct pvr2_v4l_cx2584x *ctxt,int fl) -{ - pvr2_trace(PVR2_TRACE_CHIPS,"i2c cx25840 decoder_enable(%d)",fl); - pvr2_v4l2_cmd_stream(ctxt->client,fl); -} - - -static int decoder_detect(struct pvr2_i2c_client *cp) -{ - int ret; - /* Attempt to query the decoder - let's see if it will answer */ - struct v4l2_queryctrl qc; - - memset(&qc,0,sizeof(qc)); - - qc.id = V4L2_CID_BRIGHTNESS; - - ret = pvr2_i2c_client_cmd(cp,VIDIOC_QUERYCTRL,&qc); - return ret == 0; /* Return true if it answered */ -} - - -static unsigned int decoder_describe(struct pvr2_v4l_cx2584x *ctxt, - char *buf,unsigned int cnt) -{ - return scnprintf(buf,cnt,"handler: pvrusb2-cx2584x-v4l"); -} - - -static void decoder_reset(struct pvr2_v4l_cx2584x *ctxt) -{ - int ret; - ret = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_RESET,NULL); - pvr2_trace(PVR2_TRACE_CHIPS,"i2c cx25840 decoder_reset (ret=%d)",ret); -} - - -static const struct pvr2_i2c_handler_functions hfuncs = { - .detach = (void (*)(void *))decoder_detach, - .check = (int (*)(void *))decoder_check, - .update = (void (*)(void *))decoder_update, - .describe = (unsigned int (*)(void *,char *,unsigned int))decoder_describe, -}; - - -int pvr2_i2c_cx2584x_v4l_setup(struct pvr2_hdw *hdw, - struct pvr2_i2c_client *cp) -{ - struct pvr2_v4l_cx2584x *ctxt; - - if (hdw->decoder_ctrl) return 0; - if (cp->handler) return 0; - if (!decoder_detect(cp)) return 0; - - ctxt = kzalloc(sizeof(*ctxt),GFP_KERNEL); - if (!ctxt) return 0; - - ctxt->handler.func_data = ctxt; - ctxt->handler.func_table = &hfuncs; - ctxt->ctrl.ctxt = ctxt; - ctxt->ctrl.detach = (void (*)(void *))decoder_detach; - ctxt->ctrl.enable = (void (*)(void *,int))decoder_enable; - ctxt->ctrl.force_reset = (void (*)(void*))decoder_reset; - ctxt->client = cp; - ctxt->hdw = hdw; - ctxt->stale_mask = (1 << ARRAY_SIZE(decoder_ops)) - 1; - pvr2_hdw_set_decoder(hdw,&ctxt->ctrl); - cp->handler = &ctxt->handler; - { - /* - Mike Isely 19-Nov-2006 - This bit - of nuttiness for cx25840 causes that module to - correctly set up its video scaling. This is really - a problem in the cx25840 module itself, but we work - around it here. The problem has not been seen in - ivtv because there VBI is supported and set up. We - don't do VBI here (at least not yet) and thus we - never attempted to even set it up. - */ - struct v4l2_format fmt; - memset(&fmt,0,sizeof(fmt)); - fmt.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; - pvr2_i2c_client_cmd(ctxt->client,VIDIOC_S_FMT,&fmt); - } - pvr2_trace(PVR2_TRACE_CHIPS,"i2c 0x%x cx2584x V4L2 handler set up", - cp->client->addr); - return !0; -} - - - /* Stuff for Emacs to see, in order to encourage consistent editing style: