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-rw-r--r--sound/isa/opti9xx/opti92x-ad1848.c112
1 files changed, 67 insertions, 45 deletions
diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c
index d622d2906862..106be6e471f7 100644
--- a/sound/isa/opti9xx/opti92x-ad1848.c
+++ b/sound/isa/opti9xx/opti92x-ad1848.c
@@ -135,6 +135,8 @@ struct snd_opti9xx {
unsigned long mc_base_size;
#ifdef OPTi93X
unsigned long mc_indir_index;
+ unsigned long mc_indir_size;
+ struct resource *res_mc_indir;
struct snd_wss *codec;
#endif /* OPTi93X */
unsigned long pwd_reg;
@@ -231,7 +233,10 @@ static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip,
case OPTi9XX_HW_82C931:
case OPTi9XX_HW_82C933:
chip->mc_base = (hardware == OPTi9XX_HW_82C930) ? 0xf8f : 0xf8d;
- chip->mc_indir_index = 0xe0e;
+ if (!chip->mc_indir_index) {
+ chip->mc_indir_index = 0xe0e;
+ chip->mc_indir_size = 2;
+ }
chip->password = 0xe4;
chip->pwd_reg = 0;
break;
@@ -560,57 +565,69 @@ static irqreturn_t snd_opti93x_interrupt(int irq, void *dev_id)
#endif /* OPTi93X */
-static int __devinit snd_card_opti9xx_detect(struct snd_card *card,
- struct snd_opti9xx *chip)
+static int __devinit snd_opti9xx_read_check(struct snd_opti9xx *chip)
{
- int i, err;
+ unsigned char value;
+#ifdef OPTi93X
+ unsigned long flags;
+#endif
+ chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
+ "OPTi9xx MC");
+ if (chip->res_mc_base == NULL)
+ return -EBUSY;
#ifndef OPTi93X
- for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
- unsigned char value;
+ value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
+ if (value != 0xff && value != inb(chip->mc_base + OPTi9XX_MC_REG(1)))
+ if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
+ return 0;
+#else /* OPTi93X */
+ chip->res_mc_indir = request_region(chip->mc_indir_index,
+ chip->mc_indir_size,
+ "OPTi93x MC");
+ if (chip->res_mc_indir == NULL)
+ return -EBUSY;
- if ((err = snd_opti9xx_init(chip, i)) < 0)
- return err;
+ spin_lock_irqsave(&chip->lock, flags);
+ outb(chip->password, chip->mc_base + chip->pwd_reg);
+ outb(((chip->mc_indir_index & 0x1f0) >> 4), chip->mc_base);
+ spin_unlock_irqrestore(&chip->lock, flags);
- if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
- continue;
+ value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
+ snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
+ if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
+ return 0;
- value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(1));
- if ((value != 0xff) && (value != inb(chip->mc_base + 1)))
- if (value == snd_opti9xx_read(chip, OPTi9XX_MC_REG(1)))
- return 1;
+ release_and_free_resource(chip->res_mc_indir);
+ chip->res_mc_indir = NULL;
+#endif /* OPTi93X */
+ release_and_free_resource(chip->res_mc_base);
+ chip->res_mc_base = NULL;
- release_and_free_resource(chip->res_mc_base);
- chip->res_mc_base = NULL;
+ return -ENODEV;
+}
- }
-#else /* OPTi93X */
- for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
- unsigned long flags;
- unsigned char value;
+static int __devinit snd_card_opti9xx_detect(struct snd_card *card,
+ struct snd_opti9xx *chip)
+{
+ int i, err;
- if ((err = snd_opti9xx_init(chip, i)) < 0)
+#ifndef OPTi93X
+ for (i = OPTi9XX_HW_82C928; i < OPTi9XX_HW_82C930; i++) {
+#else
+ for (i = OPTi9XX_HW_82C931; i >= OPTi9XX_HW_82C930; i--) {
+#endif
+ err = snd_opti9xx_init(chip, i);
+ if (err < 0)
return err;
- if ((chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size, "OPTi9xx MC")) == NULL)
- continue;
-
- spin_lock_irqsave(&chip->lock, flags);
- outb(chip->password, chip->mc_base + chip->pwd_reg);
- outb(((chip->mc_indir_index & (1 << 8)) >> 4) |
- ((chip->mc_indir_index & 0xf0) >> 4), chip->mc_base);
- spin_unlock_irqrestore(&chip->lock, flags);
-
- value = snd_opti9xx_read(chip, OPTi9XX_MC_REG(7));
- snd_opti9xx_write(chip, OPTi9XX_MC_REG(7), 0xff - value);
- if (snd_opti9xx_read(chip, OPTi9XX_MC_REG(7)) == 0xff - value)
+ err = snd_opti9xx_read_check(chip);
+ if (err == 0)
return 1;
-
- release_and_free_resource(chip->res_mc_base);
- chip->res_mc_base = NULL;
+#ifdef OPTi93X
+ chip->mc_indir_index = 0;
+#endif
}
-#endif /* OPTi93X */
-
return -ENODEV;
}
@@ -639,6 +656,8 @@ static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
#ifdef OPTi93X
port = pnp_port_start(pdev, 0) - 4;
fm_port = pnp_port_start(pdev, 1) + 8;
+ chip->mc_indir_index = pnp_port_start(pdev, 3) + 2;
+ chip->mc_indir_size = pnp_port_len(pdev, 3) - 2;
#else
if (pid->driver_data != 0x0924)
port = pnp_port_start(pdev, 1);
@@ -669,7 +688,7 @@ static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
static void snd_card_opti9xx_free(struct snd_card *card)
{
struct snd_opti9xx *chip = card->private_data;
-
+
if (chip) {
#ifdef OPTi93X
struct snd_wss *codec = chip->codec;
@@ -677,6 +696,7 @@ static void snd_card_opti9xx_free(struct snd_card *card)
disable_irq(codec->irq);
free_irq(codec->irq, codec);
}
+ release_and_free_resource(chip->res_mc_indir);
#endif
release_and_free_resource(chip->res_mc_base);
}
@@ -696,11 +716,6 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card)
struct snd_rawmidi *rmidi;
struct snd_hwdep *synth;
- if (! chip->res_mc_base &&
- (chip->res_mc_base = request_region(chip->mc_base, chip->mc_base_size,
- "OPTi9xx MC")) == NULL)
- return -ENOMEM;
-
#if defined(CS4231) || defined(OPTi93X)
xdma2 = dma2;
#else
@@ -954,6 +969,13 @@ static int __devinit snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
}
if (hw <= OPTi9XX_HW_82C930)
chip->mc_base -= 0x80;
+
+ error = snd_opti9xx_read_check(chip);
+ if (error) {
+ snd_printk(KERN_ERR "OPTI chip not found\n");
+ snd_card_free(card);
+ return error;
+ }
snd_card_set_dev(card, &pcard->card->dev);
if ((error = snd_opti9xx_probe(card)) < 0) {
snd_card_free(card);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-16 06:32:46 +0000