diff options
Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-hdw.c')
| -rw-r--r-- | drivers/media/video/pvrusb2/pvrusb2-hdw.c | 132 |
1 files changed, 112 insertions, 20 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c index 63d0af759ed..72e9056557b 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c @@ -249,6 +249,7 @@ static const struct pvr2_fx2cmd_descdef pvr2_fx2cmd_desc[] = { }; +static int pvr2_hdw_set_input(struct pvr2_hdw *hdw,int v); static void pvr2_hdw_state_sched(struct pvr2_hdw *); static int pvr2_hdw_state_eval(struct pvr2_hdw *); static void pvr2_hdw_set_cur_freq(struct pvr2_hdw *,unsigned long); @@ -404,30 +405,12 @@ static int ctrl_get_input(struct pvr2_ctrl *cptr,int *vp) static int ctrl_check_input(struct pvr2_ctrl *cptr,int v) { - return ((1 << v) & cptr->hdw->input_avail_mask) != 0; + return ((1 << v) & cptr->hdw->input_allowed_mask) != 0; } static int ctrl_set_input(struct pvr2_ctrl *cptr,int m,int v) { - struct pvr2_hdw *hdw = cptr->hdw; - - if (hdw->input_val != v) { - hdw->input_val = v; - hdw->input_dirty = !0; - } - - /* Handle side effects - if we switch to a mode that needs the RF - tuner, then select the right frequency choice as well and mark - it dirty. */ - if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) { - hdw->freqSelector = 0; - hdw->freqDirty = !0; - } else if ((hdw->input_val == PVR2_CVAL_INPUT_TV) || - (hdw->input_val == PVR2_CVAL_INPUT_DTV)) { - hdw->freqSelector = 1; - hdw->freqDirty = !0; - } - return 0; + return pvr2_hdw_set_input(cptr->hdw,v); } static int ctrl_isdirty_input(struct pvr2_ctrl *cptr) @@ -1916,6 +1899,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, if (hdw_desc->flag_has_composite) m |= 1 << PVR2_CVAL_INPUT_COMPOSITE; if (hdw_desc->flag_has_fmradio) m |= 1 << PVR2_CVAL_INPUT_RADIO; hdw->input_avail_mask = m; + hdw->input_allowed_mask = hdw->input_avail_mask; /* If not a hybrid device, pathway_state never changes. So initialize it here to what it should forever be. */ @@ -3948,6 +3932,24 @@ static int pvr2_hdw_state_update(struct pvr2_hdw *hdw) } +static unsigned int print_input_mask(unsigned int msk, + char *buf,unsigned int acnt) +{ + unsigned int idx,ccnt; + unsigned int tcnt = 0; + for (idx = 0; idx < ARRAY_SIZE(control_values_input); idx++) { + if (!((1 << idx) & msk)) continue; + ccnt = scnprintf(buf+tcnt, + acnt-tcnt, + "%s%s", + (tcnt ? ", " : ""), + control_values_input[idx]); + tcnt += ccnt; + } + return tcnt; +} + + static const char *pvr2_pathway_state_name(int id) { switch (id) { @@ -4016,6 +4018,28 @@ static unsigned int pvr2_hdw_report_unlocked(struct pvr2_hdw *hdw,int which, "state: %s", pvr2_get_state_name(hdw->master_state)); case 4: { + unsigned int tcnt = 0; + unsigned int ccnt; + + ccnt = scnprintf(buf, + acnt, + "Hardware supported inputs: "); + tcnt += ccnt; + tcnt += print_input_mask(hdw->input_avail_mask, + buf+tcnt, + acnt-tcnt); + if (hdw->input_avail_mask != hdw->input_allowed_mask) { + ccnt = scnprintf(buf+tcnt, + acnt-tcnt, + "; allowed inputs: "); + tcnt += ccnt; + tcnt += print_input_mask(hdw->input_allowed_mask, + buf+tcnt, + acnt-tcnt); + } + return tcnt; + } + case 5: { struct pvr2_stream_stats stats; if (!hdw->vid_stream) break; pvr2_stream_get_stats(hdw->vid_stream, @@ -4210,6 +4234,74 @@ unsigned int pvr2_hdw_get_input_available(struct pvr2_hdw *hdw) } +unsigned int pvr2_hdw_get_input_allowed(struct pvr2_hdw *hdw) +{ + return hdw->input_allowed_mask; +} + + +static int pvr2_hdw_set_input(struct pvr2_hdw *hdw,int v) +{ + if (hdw->input_val != v) { + hdw->input_val = v; + hdw->input_dirty = !0; + } + + /* Handle side effects - if we switch to a mode that needs the RF + tuner, then select the right frequency choice as well and mark + it dirty. */ + if (hdw->input_val == PVR2_CVAL_INPUT_RADIO) { + hdw->freqSelector = 0; + hdw->freqDirty = !0; + } else if ((hdw->input_val == PVR2_CVAL_INPUT_TV) || + (hdw->input_val == PVR2_CVAL_INPUT_DTV)) { + hdw->freqSelector = 1; + hdw->freqDirty = !0; + } + return 0; +} + + +int pvr2_hdw_set_input_allowed(struct pvr2_hdw *hdw, + unsigned int change_mask, + unsigned int change_val) +{ + int ret = 0; + unsigned int nv,m,idx; + LOCK_TAKE(hdw->big_lock); + do { + nv = hdw->input_allowed_mask & ~change_mask; + nv |= (change_val & change_mask); + nv &= hdw->input_avail_mask; + if (!nv) { + /* No legal modes left; return error instead. */ + ret = -EPERM; + break; + } + hdw->input_allowed_mask = nv; + if ((1 << hdw->input_val) & hdw->input_allowed_mask) { + /* Current mode is still in the allowed mask, so + we're done. */ + break; + } + /* Select and switch to a mode that is still in the allowed + mask */ + if (!hdw->input_allowed_mask) { + /* Nothing legal; give up */ + break; + } + m = hdw->input_allowed_mask; + for (idx = 0; idx < (sizeof(m) << 3); idx++) { + if (!((1 << idx) & m)) continue; + pvr2_hdw_set_input(hdw,idx); + break; + } + } while (0); + LOCK_GIVE(hdw->big_lock); + return ret; +} + + /* Find I2C address of eeprom */ static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw) { |