summaryrefslogtreecommitdiffstats
path: root/sound/aoa/soundbus/i2sbus/i2sbus-control.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/aoa/soundbus/i2sbus/i2sbus-control.c')
-rw-r--r--sound/aoa/soundbus/i2sbus/i2sbus-control.c79
1 files changed, 40 insertions, 39 deletions
diff --git a/sound/aoa/soundbus/i2sbus/i2sbus-control.c b/sound/aoa/soundbus/i2sbus/i2sbus-control.c
index f50407952d3c..87beb4ad4d63 100644
--- a/sound/aoa/soundbus/i2sbus/i2sbus-control.c
+++ b/sound/aoa/soundbus/i2sbus/i2sbus-control.c
@@ -6,12 +6,16 @@
* GPL v2, can be found in COPYING.
*/
-#include <asm/io.h>
+#include <linux/kernel.h>
#include <linux/delay.h>
+
+#include <asm/io.h>
#include <asm/prom.h>
#include <asm/macio.h>
#include <asm/pmac_feature.h>
#include <asm/pmac_pfunc.h>
+#include <asm/keylargo.h>
+
#include "i2sbus.h"
int i2sbus_control_init(struct macio_dev* dev, struct i2sbus_control **c)
@@ -22,26 +26,12 @@ int i2sbus_control_init(struct macio_dev* dev, struct i2sbus_control **c)
INIT_LIST_HEAD(&(*c)->list);
- if (of_address_to_resource(dev->ofdev.node, 0, &(*c)->rsrc))
- goto err;
- /* we really should be using feature calls instead of mapping
- * these registers. It's safe for now since no one else is
- * touching them... */
- (*c)->controlregs = ioremap((*c)->rsrc.start,
- sizeof(struct i2s_control_regs));
- if (!(*c)->controlregs)
- goto err;
-
+ (*c)->macio = dev->bus->chip;
return 0;
- err:
- kfree(*c);
- *c = NULL;
- return -ENODEV;
}
void i2sbus_control_destroy(struct i2sbus_control *c)
{
- iounmap(c->controlregs);
kfree(c);
}
@@ -93,19 +83,22 @@ int i2sbus_control_enable(struct i2sbus_control *c,
struct i2sbus_dev *i2sdev)
{
struct pmf_args args = { .count = 0 };
- int cc;
+ struct macio_chip *macio = c->macio;
if (i2sdev->enable)
return pmf_call_one(i2sdev->enable, &args);
+ if (macio == NULL || macio->base == NULL)
+ return -ENODEV;
+
switch (i2sdev->bus_number) {
case 0:
- cc = in_le32(&c->controlregs->cell_control);
- out_le32(&c->controlregs->cell_control, cc | CTRL_CLOCK_INTF_0_ENABLE);
+ /* these need to be locked or done through
+ * newly created feature calls! */
+ MACIO_BIS(KEYLARGO_FCR1, KL1_I2S0_ENABLE);
break;
case 1:
- cc = in_le32(&c->controlregs->cell_control);
- out_le32(&c->controlregs->cell_control, cc | CTRL_CLOCK_INTF_1_ENABLE);
+ MACIO_BIS(KEYLARGO_FCR1, KL1_I2S1_ENABLE);
break;
default:
return -ENODEV;
@@ -118,7 +111,7 @@ int i2sbus_control_cell(struct i2sbus_control *c,
int enable)
{
struct pmf_args args = { .count = 0 };
- int cc;
+ struct macio_chip *macio = c->macio;
switch (enable) {
case 0:
@@ -133,18 +126,22 @@ int i2sbus_control_cell(struct i2sbus_control *c,
printk(KERN_ERR "i2sbus: INVALID CELL ENABLE VALUE\n");
return -ENODEV;
}
+
+ if (macio == NULL || macio->base == NULL)
+ return -ENODEV;
+
switch (i2sdev->bus_number) {
case 0:
- cc = in_le32(&c->controlregs->cell_control);
- cc &= ~CTRL_CLOCK_CELL_0_ENABLE;
- cc |= enable * CTRL_CLOCK_CELL_0_ENABLE;
- out_le32(&c->controlregs->cell_control, cc);
+ if (enable)
+ MACIO_BIS(KEYLARGO_FCR1, KL1_I2S0_CELL_ENABLE);
+ else
+ MACIO_BIC(KEYLARGO_FCR1, KL1_I2S0_CELL_ENABLE);
break;
case 1:
- cc = in_le32(&c->controlregs->cell_control);
- cc &= ~CTRL_CLOCK_CELL_1_ENABLE;
- cc |= enable * CTRL_CLOCK_CELL_1_ENABLE;
- out_le32(&c->controlregs->cell_control, cc);
+ if (enable)
+ MACIO_BIS(KEYLARGO_FCR1, KL1_I2S1_CELL_ENABLE);
+ else
+ MACIO_BIC(KEYLARGO_FCR1, KL1_I2S1_CELL_ENABLE);
break;
default:
return -ENODEV;
@@ -157,7 +154,7 @@ int i2sbus_control_clock(struct i2sbus_control *c,
int enable)
{
struct pmf_args args = { .count = 0 };
- int cc;
+ struct macio_chip *macio = c->macio;
switch (enable) {
case 0:
@@ -172,18 +169,22 @@ int i2sbus_control_clock(struct i2sbus_control *c,
printk(KERN_ERR "i2sbus: INVALID CLOCK ENABLE VALUE\n");
return -ENODEV;
}
+
+ if (macio == NULL || macio->base == NULL)
+ return -ENODEV;
+
switch (i2sdev->bus_number) {
case 0:
- cc = in_le32(&c->controlregs->cell_control);
- cc &= ~CTRL_CLOCK_CLOCK_0_ENABLE;
- cc |= enable * CTRL_CLOCK_CLOCK_0_ENABLE;
- out_le32(&c->controlregs->cell_control, cc);
+ if (enable)
+ MACIO_BIS(KEYLARGO_FCR1, KL1_I2S0_CLK_ENABLE_BIT);
+ else
+ MACIO_BIC(KEYLARGO_FCR1, KL1_I2S0_CLK_ENABLE_BIT);
break;
case 1:
- cc = in_le32(&c->controlregs->cell_control);
- cc &= ~CTRL_CLOCK_CLOCK_1_ENABLE;
- cc |= enable * CTRL_CLOCK_CLOCK_1_ENABLE;
- out_le32(&c->controlregs->cell_control, cc);
+ if (enable)
+ MACIO_BIS(KEYLARGO_FCR1, KL1_I2S1_CLK_ENABLE_BIT);
+ else
+ MACIO_BIC(KEYLARGO_FCR1, KL1_I2S1_CLK_ENABLE_BIT);
break;
default:
return -ENODEV;
OpenPOWER on IntegriCloud