ps3: Add passthru support for non-audio streams

Add support for the channel status bit setting so that non-PCM
data stream can be sent (i.e. pass-through) via SPDIF/HDMI.
Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Acked-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

arch/powerpc/include/asm/ps3av.h

@@ -678,6 +678,8 @@ struct ps3av_pkt_avb_param {
 	u8 buf[PS3AV_PKT_AVB_PARAM_MAX_BUF_SIZE];
 };
 
+/* channel status */
+extern u8 ps3av_mode_cs_info[];
 
 /** command status **/
 #define PS3AV_STATUS_SUCCESS			0x0000	/* success */

drivers/ps3/ps3av_cmd.c

@@ -660,9 +660,10 @@ u32 ps3av_cmd_set_av_audio_param(void *p, u32 port,
 }
 
 /* default cs val */
-static const u8 ps3av_mode_cs_info[] = {
+u8 ps3av_mode_cs_info[] = {
 	0x00, 0x09, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00
 };
+EXPORT_SYMBOL_GPL(ps3av_mode_cs_info);
 
 #define CS_44	0x00
 #define CS_48	0x02
@@ -677,7 +678,7 @@ void ps3av_cmd_set_audio_mode(struct ps3av_pkt_audio_mode *audio, u32 avport,
 			      u32 ch, u32 fs, u32 word_bits, u32 format,
 			      u32 source)
 {
-	int spdif_through, spdif_bitstream;
+	int spdif_through;
 	int i;
 
 	if (!(ch | fs | format | word_bits | source)) {
@@ -687,7 +688,6 @@ void ps3av_cmd_set_audio_mode(struct ps3av_pkt_audio_mode *audio, u32 avport,
 		format = PS3AV_CMD_AUDIO_FORMAT_PCM;
 		source = PS3AV_CMD_AUDIO_SOURCE_SERIAL;
 	}
-	spdif_through = spdif_bitstream = 0;	/* XXX not supported */
 
 	/* audio mode */
 	memset(audio, 0, sizeof(*audio));
@@ -777,16 +777,17 @@ void ps3av_cmd_set_audio_mode(struct ps3av_pkt_audio_mode *audio, u32 avport,
 		break;
 	}
 
+	/* non-audio bit */
+	spdif_through = audio->audio_cs_info[0] & 0x02;
+
 	/* pass through setting */
 	if (spdif_through &&
 	    (avport == PS3AV_CMD_AVPORT_SPDIF_0 ||
-	     avport == PS3AV_CMD_AVPORT_SPDIF_1)) {
+	     avport == PS3AV_CMD_AVPORT_SPDIF_1 ||
+	     avport == PS3AV_CMD_AVPORT_HDMI_0 ||
+	     avport == PS3AV_CMD_AVPORT_HDMI_1)) {
 		audio->audio_word_bits = PS3AV_CMD_AUDIO_WORD_BITS_16;
-		audio->audio_source = PS3AV_CMD_AUDIO_SOURCE_SPDIF;
-		if (spdif_bitstream) {
-			audio->audio_format = PS3AV_CMD_AUDIO_FORMAT_BITSTREAM;
-			audio->audio_cs_info[0] |= CS_BIT;
-		}
+		audio->audio_format = PS3AV_CMD_AUDIO_FORMAT_BITSTREAM;
 	}
 }