[ALSA] Display SPDIF in status in proc fs 'spdif-in' file.

EMU10K1/EMU10K2 driver


Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>

1 files changed, 38 insertions, 23 deletions

diff --git a/sound/pci/emu10k1/emuproc.c b/sound/pci/emu10k1/emuproc.c
index 732d17d1307f..187a4e60a5fe 100644
--- a/sound/pci/emu10k1/emuproc.c
+++ b/sound/pci/emu10k1/emuproc.c
@@ -44,28 +44,33 @@ static void snd_emu10k1_proc_spdif_status(emu10k1_t * emu,
         unsigned int status, rate = 0;
         
         status = snd_emu10k1_ptr_read(emu, status_reg, 0);
-        if (rate_reg > 0)
-                rate = snd_emu10k1_ptr_read(emu, rate_reg, 0);
 
         snd_iprintf(buffer, "\n%s\n", title);
 
-        snd_iprintf(buffer, "Professional Mode     : %s\n", (status & SPCS_PROFESSIONAL) ? "yes" : "no");
-        snd_iprintf(buffer, "Not Audio Data        : %s\n", (status & SPCS_NOTAUDIODATA) ? "yes" : "no");
-        snd_iprintf(buffer, "Copyright             : %s\n", (status & SPCS_COPYRIGHT) ? "yes" : "no");
-        snd_iprintf(buffer, "Emphasis              : %s\n", emphasis[(status & SPCS_EMPHASISMASK) >> 3]);
-        snd_iprintf(buffer, "Mode                  : %i\n", (status & SPCS_MODEMASK) >> 6);
-        snd_iprintf(buffer, "Category Code         : 0x%x\n", (status & SPCS_CATEGORYCODEMASK) >> 8);
-        snd_iprintf(buffer, "Generation Status     : %s\n", status & SPCS_GENERATIONSTATUS ? "original" : "copy");
-        snd_iprintf(buffer, "Source Mask           : %i\n", (status & SPCS_SOURCENUMMASK) >> 16);
-        snd_iprintf(buffer, "Channel Number        : %s\n", channel[(status & SPCS_CHANNELNUMMASK) >> 20]);
-        snd_iprintf(buffer, "Sample Rate           : %iHz\n", samplerate[(status & SPCS_SAMPLERATEMASK) >> 24]);
-        snd_iprintf(buffer, "Clock Accuracy        : %s\n", clkaccy[(status & SPCS_CLKACCYMASK) >> 28]);
-
-        if (rate_reg > 0) {
-                snd_iprintf(buffer, "S/PDIF Locked         : %s\n", rate & SRCS_SPDIFLOCKED ? "on" : "off");
-                snd_iprintf(buffer, "Rate Locked           : %s\n", rate & SRCS_RATELOCKED ? "on" : "off");
-                snd_iprintf(buffer, "Estimated Sample Rate : 0x%x\n", rate & SRCS_ESTSAMPLERATE);
+        if (status != 0xffffffff) {
+                snd_iprintf(buffer, "Professional Mode     : %s\n", (status & SPCS_PROFESSIONAL) ? "yes" : "no");
+                snd_iprintf(buffer, "Not Audio Data        : %s\n", (status & SPCS_NOTAUDIODATA) ? "yes" : "no");
+                snd_iprintf(buffer, "Copyright             : %s\n", (status & SPCS_COPYRIGHT) ? "yes" : "no");
+                snd_iprintf(buffer, "Emphasis              : %s\n", emphasis[(status & SPCS_EMPHASISMASK) >> 3]);
+                snd_iprintf(buffer, "Mode                  : %i\n", (status & SPCS_MODEMASK) >> 6);
+                snd_iprintf(buffer, "Category Code         : 0x%x\n", (status & SPCS_CATEGORYCODEMASK) >> 8);
+                snd_iprintf(buffer, "Generation Status     : %s\n", status & SPCS_GENERATIONSTATUS ? "original" : "copy");
+                snd_iprintf(buffer, "Source Mask           : %i\n", (status & SPCS_SOURCENUMMASK) >> 16);
+                snd_iprintf(buffer, "Channel Number        : %s\n", channel[(status & SPCS_CHANNELNUMMASK) >> 20]);
+                snd_iprintf(buffer, "Sample Rate           : %iHz\n", samplerate[(status & SPCS_SAMPLERATEMASK) >> 24]);
+                snd_iprintf(buffer, "Clock Accuracy        : %s\n", clkaccy[(status & SPCS_CLKACCYMASK) >> 28]);
+
+                if (rate_reg > 0) {
+                        rate = snd_emu10k1_ptr_read(emu, rate_reg, 0);
+                        snd_iprintf(buffer, "S/PDIF Locked         : %s\n", rate & SRCS_SPDIFLOCKED ? "on" : "off");
+                        snd_iprintf(buffer, "Rate Locked           : %s\n", rate & SRCS_RATELOCKED ? "on" : "off");
+                        /* From ((Rate * 48000 ) / 262144); */
+                        snd_iprintf(buffer, "Estimated Sample Rate : %d\n", ((rate & 0xFFFFF ) * 375) >> 11); 
+                }
+        } else {
+                snd_iprintf(buffer, "No signal detected.\n");
         }
+
 }
 
 static void snd_emu10k1_proc_read(snd_info_entry_t *entry, 
@@ -223,15 +228,20 @@ static void snd_emu10k1_proc_read(snd_info_entry_t *entry,
         snd_iprintf(buffer, "\nAll FX Outputs        :\n");
         for (idx = 0; idx < (emu->audigy ? 64 : 32); idx++)
                 snd_iprintf(buffer, "  Output %02i [%s]\n", idx, outputs[idx]);
-        snd_emu10k1_proc_spdif_status(emu, buffer, "S/PDIF Output 0", SPCS0, -1);
-        snd_emu10k1_proc_spdif_status(emu, buffer, "S/PDIF Output 1", SPCS1, -1);
-        snd_emu10k1_proc_spdif_status(emu, buffer, "S/PDIF Output 2/3", SPCS2, -1);
-        snd_emu10k1_proc_spdif_status(emu, buffer, "CD-ROM S/PDIF", CDCS, CDSRCS);
-        snd_emu10k1_proc_spdif_status(emu, buffer, "General purpose S/PDIF", GPSCS, GPSRCS);
+}
+
+static void snd_emu10k1_proc_spdif_read(snd_info_entry_t *entry, 
+                                  snd_info_buffer_t * buffer)
+{
+        emu10k1_t *emu = entry->private_data;
+        snd_emu10k1_proc_spdif_status(emu, buffer, "CD-ROM S/PDIF In", CDCS, CDSRCS);
+        snd_emu10k1_proc_spdif_status(emu, buffer, "Optical or Coax S/PDIF In", GPSCS, GPSRCS);
+#if 0
         val = snd_emu10k1_ptr_read(emu, ZVSRCS, 0);
         snd_iprintf(buffer, "\nZoomed Video\n");
         snd_iprintf(buffer, "Rate Locked           : %s\n", val & SRCS_RATELOCKED ? "on" : "off");
         snd_iprintf(buffer, "Estimated Sample Rate : 0x%x\n", val & SRCS_ESTSAMPLERATE);
+#endif
 }
 
 static void snd_emu10k1_proc_acode_read(snd_info_entry_t *entry, 
@@ -526,6 +536,11 @@ int __devinit snd_emu10k1_proc_init(emu10k1_t * emu)
         if (! snd_card_proc_new(emu->card, "emu10k1", &entry))
                 snd_info_set_text_ops(entry, emu, 2048, snd_emu10k1_proc_read);
 
+        if (emu->card_capabilities->emu10k2_chip) {
+                if (! snd_card_proc_new(emu->card, "spdif-in", &entry))
+                        snd_info_set_text_ops(entry, emu, 2048, snd_emu10k1_proc_spdif_read);
+        }
+
         if (! snd_card_proc_new(emu->card, "voices", &entry))
                 snd_info_set_text_ops(entry, emu, 2048, snd_emu10k1_proc_voices_read);