ALSA: sc6000: add support for SC-6600 and SC-7000

Add support for later cards based on CompuMedia ASC-9408 chipsets.
These cards were produced by Gallant.

This patch make the OSS aedsp16 driver redundant.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

2 files changed, 104 insertions, 30 deletions

diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig
index c5c9a9218ff6..64129bf22054 100644
--- a/sound/isa/Kconfig
+++ b/sound/isa/Kconfig
@@ -177,15 +177,18 @@ config SND_ES18XX
           will be called snd-es18xx.
 
 config SND_SC6000
-        tristate "Gallant SC-6000, Audio Excel DSP 16"
+        tristate "Gallant SC-6000/6600/7000 and Audio Excel DSP 16"
         depends on HAS_IOPORT
         select SND_WSS_LIB
         select SND_OPL3_LIB
         select SND_MPU401_UART
         help
-          Say Y here to include support for Gallant SC-6000 card and clones:
+          Say Y here to include support for Gallant SC-6000, SC-6600, SC-7000
+          cards and clones:
           Audio Excel DSP 16 and Zoltrix AV302.
 
+          These cards are based on CompuMedia ASC-9308 or ASC-9408 chips.
+
           To compile this driver as a module, choose M here: the module
           will be called snd-sc6000.
 
diff --git a/sound/isa/sc6000.c b/sound/isa/sc6000.c
index 782010608ef4..983ab7e3b5b4 100644
--- a/sound/isa/sc6000.c
+++ b/sound/isa/sc6000.c
@@ -2,6 +2,8 @@
  *  Driver for Gallant SC-6000 soundcard. This card is also known as
  *  Audio Excel DSP 16 or Zoltrix AV302.
  *  These cards use CompuMedia ASC-9308 chip + AD1848 codec.
+ *  SC-6600 and SC-7000 cards are also supported. They are based on
+ *  CompuMedia ASC-9408 chip and CS4231 codec.
  *
  *  Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl>
  *
@@ -191,7 +193,7 @@ static __devinit unsigned char sc6000_mpu_irq_to_softcfg(int mpu_irq)
         return val;
 }
 
-static __devinit int sc6000_wait_data(char __iomem *vport)
+static int sc6000_wait_data(char __iomem *vport)
 {
         int loop = 1000;
         unsigned char val = 0;
@@ -206,7 +208,7 @@ static __devinit int sc6000_wait_data(char __iomem *vport)
         return -EAGAIN;
 }
 
-static __devinit int sc6000_read(char __iomem *vport)
+static int sc6000_read(char __iomem *vport)
 {
         if (sc6000_wait_data(vport))
                 return -EBUSY;
@@ -215,7 +217,7 @@ static __devinit int sc6000_read(char __iomem *vport)
 
 }
 
-static __devinit int sc6000_write(char __iomem *vport, int cmd)
+static int sc6000_write(char __iomem *vport, int cmd)
 {
         unsigned char val;
         int loop = 500000;
@@ -276,8 +278,33 @@ static int __devinit sc6000_dsp_reset(char __iomem *vport)
 }
 
 /* detection and initialization */
-static int __devinit sc6000_cfg_write(char __iomem *vport,
-                                      unsigned char softcfg)
+static int __devinit sc6000_hw_cfg_write(char __iomem *vport, const int *cfg)
+{
+        if (sc6000_write(vport, COMMAND_6C) < 0) {
+                snd_printk(KERN_WARNING "CMD 0x%x: failed!\n", COMMAND_6C);
+                return -EIO;
+        }
+        if (sc6000_write(vport, COMMAND_5C) < 0) {
+                snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_5C);
+                return -EIO;
+        }
+        if (sc6000_write(vport, cfg[0]) < 0) {
+                snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[0]);
+                return -EIO;
+        }
+        if (sc6000_write(vport, cfg[1]) < 0) {
+                snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[1]);
+                return -EIO;
+        }
+        if (sc6000_write(vport, COMMAND_C5) < 0) {
+                snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_C5);
+                return -EIO;
+        }
+
+        return 0;
+}
+
+static int sc6000_cfg_write(char __iomem *vport, unsigned char softcfg)
 {
 
         if (sc6000_write(vport, WRITE_MDIRQ_CFG)) {
@@ -291,7 +318,7 @@ static int __devinit sc6000_cfg_write(char __iomem *vport,
         return 0;
 }
 
-static int __devinit sc6000_setup_board(char __iomem *vport, int config)
+static int sc6000_setup_board(char __iomem *vport, int config)
 {
         int loop = 10;
 
@@ -334,16 +361,38 @@ static int __devinit sc6000_init_mss(char __iomem *vport, int config,
         return 0;
 }
 
-static int __devinit sc6000_init_board(char __iomem *vport, int irq, int dma,
-                                        char __iomem *vmss_port, int mpu_irq)
+static void __devinit sc6000_hw_cfg_encode(char __iomem *vport, int *cfg,
+                                           long xport, long xmpu,
+                                           long xmss_port)
+{
+        cfg[0] = 0;
+        cfg[1] = 0;
+        if (xport == 0x240)
+                cfg[0] |= 1;
+        if (xmpu != SNDRV_AUTO_PORT) {
+                cfg[0] |= (xmpu & 0x30) >> 2;
+                cfg[1] |= 0x20;
+        }
+        if (xmss_port == 0xe80)
+                cfg[0] |= 0x10;
+        cfg[0] |= 0x40;         /* always set */
+        cfg[1] |= 0x80;         /* enable WSS system */
+        cfg[1] &= ~0x40;        /* disable IDE */
+        snd_printd("hw cfg %x, %x\n", cfg[0], cfg[1]);
+}
+
+static int __devinit sc6000_init_board(char __iomem *vport,
+                                        char __iomem *vmss_port, int dev)
 {
         char answer[15];
         char version[2];
-        int mss_config = sc6000_irq_to_softcfg(irq) |
-                         sc6000_dma_to_softcfg(dma);
+        int mss_config = sc6000_irq_to_softcfg(irq[dev]) |
+                         sc6000_dma_to_softcfg(dma[dev]);
         int config = mss_config |
-                     sc6000_mpu_irq_to_softcfg(mpu_irq);
+                     sc6000_mpu_irq_to_softcfg(mpu_irq[dev]);
         int err;
+        int cfg[2];
+        int old = 0;
 
         err = sc6000_dsp_reset(vport);
         if (err < 0) {
@@ -360,7 +409,6 @@ static int __devinit sc6000_init_board(char __iomem *vport, int irq, int dma,
         /*
          * My SC-6000 card return "SC-6000" in DSPCopyright, so
          * if we have something different, we have to be warned.
-         * Mine returns "SC-6000A " - KH
          */
         if (strncmp("SC-6000", answer, 7))
                 snd_printk(KERN_WARNING "Warning: non SC-6000 audio card!\n");
@@ -372,13 +420,29 @@ static int __devinit sc6000_init_board(char __iomem *vport, int irq, int dma,
         printk(KERN_INFO PFX "Detected model: %s, DSP version %d.%d\n",
                 answer, version[0], version[1]);
 
-        /*
-         * 0x0A == (IRQ 7, DMA 1, MIRQ 0)
-         */
-        err = sc6000_cfg_write(vport, 0x0a);
+        /* set configuration */
+        sc6000_hw_cfg_encode(vport, &cfg[0], port[dev], mpu_port[dev],
+                             mss_port[dev]);
+        if (sc6000_hw_cfg_write(vport, cfg) < 0) {
+                snd_printk(KERN_ERR "sc6000_hw_cfg_write: failed!\n");
+                return -EIO;
+        }
+        err = sc6000_setup_board(vport, config);
         if (err < 0) {
-                snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");
-                return -EFAULT;
+                snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
+                return -ENODEV;
+        }
+
+        sc6000_dsp_reset(vport);
+        sc6000_write(vport, COMMAND_5C);
+        if (sc6000_read(vport) < 0)
+                old = 1;
+        sc6000_dsp_reset(vport);
+
+        if (!old) {
+                sc6000_write(vport, COMMAND_60);
+                sc6000_write(vport, 0x02);
+                sc6000_dsp_reset(vport);
         }
 
         err = sc6000_setup_board(vport, config);
@@ -386,10 +450,9 @@ static int __devinit sc6000_init_board(char __iomem *vport, int irq, int dma,
                 snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
                 return -ENODEV;
         }
-
         err = sc6000_init_mss(vport, config, vmss_port, mss_config);
         if (err < 0) {
-                snd_printk(KERN_ERR "Can not initialize "
+                snd_printk(KERN_ERR "Cannot initialize "
                            "Microsoft Sound System mode.\n");
                 return -ENODEV;
         }
@@ -485,14 +548,16 @@ static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev)
         struct snd_card *card;
         struct snd_wss *chip;
         struct snd_opl3 *opl3;
-        char __iomem *vport;
+        char __iomem **vport;
         char __iomem *vmss_port;
 
 
-        err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
+        err = snd_card_create(index[dev], id[dev], THIS_MODULE, sizeof(vport),
+                                &card);
         if (err < 0)
                 return err;
 
+        vport = card->private_data;
         if (xirq == SNDRV_AUTO_IRQ) {
                 xirq = snd_legacy_find_free_irq(possible_irqs);
                 if (xirq < 0) {
@@ -517,8 +582,8 @@ static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev)
                 err = -EBUSY;
                 goto err_exit;
         }
-        vport = devm_ioport_map(devptr, port[dev], 0x10);
-        if (!vport) {
+        *vport = devm_ioport_map(devptr, port[dev], 0x10);
+        if (*vport == NULL) {
                 snd_printk(KERN_ERR PFX
                            "I/O port cannot be iomaped.\n");
                 err = -EBUSY;
@@ -533,7 +598,7 @@ static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev)
                 goto err_unmap1;
         }
         vmss_port = devm_ioport_map(devptr, mss_port[dev], 4);
-        if (!vport) {
+        if (!vmss_port) {
                 snd_printk(KERN_ERR PFX
                            "MSS port I/O cannot be iomaped.\n");
                 err = -EBUSY;
@@ -544,7 +609,7 @@ static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev)
                    port[dev], xirq, xdma,
                    mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]);
 
-        err = sc6000_init_board(vport, xirq, xdma, vmss_port, mpu_irq[dev]);
+        err = sc6000_init_board(*vport, vmss_port, dev);
         if (err < 0)
                 goto err_unmap2;
 
@@ -552,7 +617,6 @@ static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev)
                              WSS_HW_DETECT, 0, &chip);
         if (err < 0)
                 goto err_unmap2;
-        card->private_data = chip;
 
         err = snd_wss_pcm(chip, 0, NULL);
         if (err < 0) {
@@ -608,6 +672,7 @@ static int __devinit snd_sc6000_probe(struct device *devptr, unsigned int dev)
         return 0;
 
 err_unmap2:
+        sc6000_setup_board(*vport, 0);
         release_region(mss_port[dev], 4);
 err_unmap1:
         release_region(port[dev], 0x10);
@@ -618,11 +683,17 @@ err_exit:
 
 static int __devexit snd_sc6000_remove(struct device *devptr, unsigned int dev)
 {
+        struct snd_card *card = dev_get_drvdata(devptr);
+        char __iomem **vport = card->private_data;
+
+        if (sc6000_setup_board(*vport, 0) < 0)
+                snd_printk(KERN_WARNING "sc6000_setup_board failed on exit!\n");
+
         release_region(port[dev], 0x10);
         release_region(mss_port[dev], 4);
 
-        snd_card_free(dev_get_drvdata(devptr));
         dev_set_drvdata(devptr, NULL);
+        snd_card_free(card);
         return 0;
 }