[ALSA] snd-emu10k1:Implement SPDIF/ADAT status.

Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

include/sound/emu10k1.h

@@ -1456,6 +1456,8 @@ struct snd_emu1010 {
 	unsigned int adc_pads; /* bit mask */
 	unsigned int dac_pads; /* bit mask */
 	unsigned int internal_clock; /* 44100 or 48000 */
+	unsigned int optical_in; /* 0:SPDIF, 1:ADAT */
+	unsigned int optical_out; /* 0:SPDIF, 1:ADAT */
 	struct task_struct *firmware_thread;
 };
 
@@ -1600,9 +1602,9 @@ unsigned int snd_emu10k1_ptr20_read(struct snd_emu10k1 * emu, unsigned int reg,
 void snd_emu10k1_ptr20_write(struct snd_emu10k1 *emu, unsigned int reg, unsigned int chn, unsigned int data);
 int snd_emu10k1_spi_write(struct snd_emu10k1 * emu, unsigned int data);
 int snd_emu10k1_i2c_write(struct snd_emu10k1 *emu, u32 reg, u32 value);
-int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, int reg, int value);
-int snd_emu1010_fpga_read(struct snd_emu10k1 * emu, int reg, int *value);
-int snd_emu1010_fpga_link_dst_src_write(struct snd_emu10k1 * emu, int dst, int src);
+int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, u32 reg, u32 value);
+int snd_emu1010_fpga_read(struct snd_emu10k1 * emu, u32 reg, u32 *value);
+int snd_emu1010_fpga_link_dst_src_write(struct snd_emu10k1 * emu, u32 dst, u32 src);
 unsigned int snd_emu10k1_efx_read(struct snd_emu10k1 *emu, unsigned int pc);
 void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb);
 void snd_emu10k1_intr_disable(struct snd_emu10k1 *emu, unsigned int intrenb);

sound/pci/emu10k1/emu10k1_main.c

@@ -873,7 +873,15 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 * emu)
 	snd_printk(KERN_INFO "emu1010: Card options=0x%x\n",reg);
 	snd_emu1010_fpga_read(emu, EMU_HANA_OPTICAL_TYPE, &tmp ); 
 	/* Optical -> ADAT I/O  */
-	snd_emu1010_fpga_write(emu, EMU_HANA_OPTICAL_TYPE, EMU_HANA_OPTICAL_IN_ADAT | EMU_HANA_OPTICAL_OUT_ADAT );
+	/* 0 : SPDIF
+	 * 1 : ADAT
+	 */
+	emu->emu1010.optical_in = 1; /* IN_ADAT */
+	emu->emu1010.optical_out = 1; /* IN_ADAT */
+	tmp = 0;
+	tmp = (emu->emu1010.optical_in ? EMU_HANA_OPTICAL_IN_ADAT : 0) |
+		(emu->emu1010.optical_out ? EMU_HANA_OPTICAL_OUT_ADAT : 0);
+	snd_emu1010_fpga_write(emu, EMU_HANA_OPTICAL_TYPE, tmp );
 	snd_emu1010_fpga_read(emu, EMU_HANA_ADC_PADS, &tmp );
 	/* Set no attenuation on Audio Dock pads. */
 	snd_emu1010_fpga_write(emu, EMU_HANA_ADC_PADS, 0x00 );

sound/pci/emu10k1/emuproc.c

@@ -240,8 +240,42 @@ static void snd_emu10k1_proc_spdif_read(struct snd_info_entry *entry,
 				  struct snd_info_buffer *buffer)
 {
 	struct snd_emu10k1 *emu = entry->private_data;
+	u32 value;
+	u32 value2;
+	unsigned long flags;
+	u32 rate;
+
+	if (emu->card_capabilities->emu1010) {
+		spin_lock_irqsave(&emu->emu_lock, flags);
+		snd_emu1010_fpga_read(emu, 0x38, &value);
+		spin_unlock_irqrestore(&emu->emu_lock, flags);
+		if ((value & 0x1) == 0) {
+			spin_lock_irqsave(&emu->emu_lock, flags);
+			snd_emu1010_fpga_read(emu, 0x2a, &value);
+			snd_emu1010_fpga_read(emu, 0x2b, &value2);
+			spin_unlock_irqrestore(&emu->emu_lock, flags);
+			rate = 0x1770000 / (((value << 5) | value2)+1);	
+			snd_iprintf(buffer, "ADAT Locked : %u\n", rate);
+		} else {
+			snd_iprintf(buffer, "ADAT Unlocked\n");
+		}
+		spin_lock_irqsave(&emu->emu_lock, flags);
+		snd_emu1010_fpga_read(emu, 0x20, &value);
+		spin_unlock_irqrestore(&emu->emu_lock, flags);
+		if ((value & 0x4) == 0) {
+			spin_lock_irqsave(&emu->emu_lock, flags);
+			snd_emu1010_fpga_read(emu, 0x28, &value);
+			snd_emu1010_fpga_read(emu, 0x29, &value2);
+			spin_unlock_irqrestore(&emu->emu_lock, flags);
+			rate = 0x1770000 / (((value << 5) | value2)+1);	
+			snd_iprintf(buffer, "SPDIF Locked : %d\n", rate);
+		} else {
+			snd_iprintf(buffer, "SPDIF Unlocked\n");
+		}
+	} else {
 		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");
@@ -379,20 +413,16 @@ static void snd_emu_proc_emu1010_reg_read(struct snd_info_entry *entry,
 				     struct snd_info_buffer *buffer)
 {
 	struct snd_emu10k1 *emu = entry->private_data;
-	unsigned long value;
+	int value;
 	unsigned long flags;
-	unsigned long regs;
 	int i;
 	snd_iprintf(buffer, "EMU1010 Registers:\n\n");
 
 	for(i = 0; i < 0x40; i+=1) {
 		spin_lock_irqsave(&emu->emu_lock, flags);
-		regs=i+0x40; /* 0x40 upwards are registers. */
-		outl(regs, emu->port + A_IOCFG);
-		outl(regs | 0x80, emu->port + A_IOCFG);  /* High bit clocks the value into the fpga. */
-		value = inl(emu->port + A_IOCFG);
+		snd_emu1010_fpga_read(emu, i, &value);
 		spin_unlock_irqrestore(&emu->emu_lock, flags);
-		snd_iprintf(buffer, "%02X: %08lX, %02lX\n", i, value, (value >> 8) & 0x7f);
+		snd_iprintf(buffer, "%02X: %08X, %02X\n", i, value, (value >> 8) & 0x7f);
 	}
 }
 

sound/pci/emu10k1/io.c

@@ -226,9 +226,9 @@ int snd_emu10k1_i2c_write(struct snd_emu10k1 *emu,
     	return 0;
 }
 
-int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, int reg, int value)
+int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, u32 reg, u32 value)
 {
-	if (reg < 0 || reg > 0x3f)
+	if (reg > 0x3f)
 		return 1;
 	reg += 0x40; /* 0x40 upwards are registers. */
 	if (value < 0 || value > 0x3f) /* 0 to 0x3f are values */
@@ -244,9 +244,9 @@ int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, int reg, int value)
 	return 0;
 }
 
-int snd_emu1010_fpga_read(struct snd_emu10k1 * emu, int reg, int *value)
+int snd_emu1010_fpga_read(struct snd_emu10k1 * emu, u32 reg, u32 *value)
 {
-	if (reg < 0 || reg > 0x3f)
+	if (reg > 0x3f)
 		return 1;
 	reg += 0x40; /* 0x40 upwards are registers. */
 	outl(reg, emu->port + A_IOCFG);
@@ -261,7 +261,7 @@ int snd_emu1010_fpga_read(struct snd_emu10k1 * emu, int reg, int *value)
 /* Each Destination has one and only one Source,
  * but one Source can feed any number of Destinations simultaneously.
  */
-int snd_emu1010_fpga_link_dst_src_write(struct snd_emu10k1 * emu, int dst, int src)
+int snd_emu1010_fpga_link_dst_src_write(struct snd_emu10k1 * emu, u32 dst, u32 src)
 {
 	snd_emu1010_fpga_write(emu, 0x00, ((dst >> 8) & 0x3f) );
 	snd_emu1010_fpga_write(emu, 0x01, (dst & 0x3f) );