/* sub_42A32
Arguments
xoffset = ebp+0x8
yoffset = ebp+0xc
c = ebp+0x10
lines = ebp+0x14
pat1 = ebp+0x18
pat2 = ebp+0x1c
*/
void em8300_dicom_fill_dispbuffers(struct em8300_s *em, int xpos, int ypos, int xsize, int ysize, unsigned int pat1, unsigned int pat2)
{
int i;
pr_debug("em8300-%d: ysize: %d, xsize: %d\n", em->card_nr, ysize, xsize);
pr_debug("em8300-%d: buffer1: %d, buffer2: %d\n", em->card_nr, em->dbuf_info.buffer1, em->dbuf_info.buffer2);
for (i = 0; i < ysize; i++) {
em8300_setregblock(em, em->dbuf_info.buffer1 + xpos + (ypos + i) * em->dbuf_info.xsize, pat1, xsize);
em8300_setregblock(em, em->dbuf_info.buffer2 + xpos + (ypos + i) / 2 * em->dbuf_info.xsize, pat2, xsize);
}
}
static int snd_em8300_playback_open(struct snd_pcm_substream *substream)
{
em8300_alsa_t *em8300_alsa = snd_pcm_substream_chip(substream);
struct em8300_s *em = em8300_alsa->em;
struct snd_pcm_runtime *runtime = substream->runtime;
if (substream->pcm->device == EM8300_ALSA_ANALOG_DEVICENUM)
snd_em8300_playback_hw.formats = SNDRV_PCM_FMTBIT_S16_BE;
else
snd_em8300_playback_hw.formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE;
runtime->hw = snd_em8300_playback_hw;
// printk("em8300-%d: snd_em8300_playback_open called.\n", em->instance);
em->clockgen &= ~CLOCKGEN_OUTMASK;
if (substream->pcm->device == EM8300_ALSA_ANALOG_DEVICENUM)
em->clockgen |= CLOCKGEN_ANALOGOUT;
else
em->clockgen |= CLOCKGEN_DIGITALOUT;
em8300_clockgen_write(em, em->clockgen);
if (substream->pcm->device == EM8300_ALSA_ANALOG_DEVICENUM) {
write_register(AUDIO_RATE, 0x62);
em8300_setregblock(em, 2 * ucregister(Mute_Pattern), 0, 0x600);
} else {
write_register(AUDIO_RATE, 0x3a0);
}
write_ucregister(MA_Threshold, 6);
/* store current used substream - needed for interrupt handler */
em8300_alsa->substream = substream;
return 0;
}
