* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
-#include <linux/config.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/i2c.h>
-#include <asm/mach-au1x00/au1000.h>
-#include <asm/mach-pb1x00/pb1550.h>
+#include <asm/mach-au1x00/au1xxx.h>
#include <asm/mach-au1x00/au1xxx_psc.h>
#include "i2c-au1550.h"
/* Reset the FIFOs, clear events.
*/
- sp->psc_smbpcr = PSC_SMBPCR_DC;
+ stat = sp->psc_smbstat;
sp->psc_smbevnt = PSC_SMBEVNT_ALLCLR;
au_sync();
- do {
- stat = sp->psc_smbpcr;
+
+ if (!(stat & PSC_SMBSTAT_TE) || !(stat & PSC_SMBSTAT_RE)) {
+ sp->psc_smbpcr = PSC_SMBPCR_DC;
au_sync();
- } while ((stat & PSC_SMBPCR_DC) != 0);
+ do {
+ stat = sp->psc_smbpcr;
+ au_sync();
+ } while ((stat & PSC_SMBPCR_DC) != 0);
+ udelay(50);
+ }
/* Write out the i2c chip address and specify operation
*/
}
static int
-au1550_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs[], int num)
+au1550_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, int num)
{
struct i2c_au1550_data *adap = i2c_adap->algo_data;
struct i2c_msg *p;
static u32
au1550_func(struct i2c_adapter *adap)
{
- return I2C_FUNC_I2C;
+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
}
-static struct i2c_algorithm au1550_algo = {
- .name = "Au1550 algorithm",
- .id = I2C_ALGO_AU1550,
+static const struct i2c_algorithm au1550_algo = {
.master_xfer = au1550_xfer,
.functionality = au1550_func,
};