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[PATCH] tpm: tpm_infineon updated to latest interface changes
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Apply the latest changes in the TPM interface to the Infineon TPM-driver.

Signed-off-by: Marcel Selhorst <selhorst@crypto.rub.de>
Acked-by: Kylie Hall <kjhall@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Marcel Selhorst authored and Linus Torvalds committed Apr 22, 2006
1 parent 10685a9 commit e496f54
Showing 1 changed file with 29 additions and 29 deletions.
58 changes: 29 additions & 29 deletions drivers/char/tpm/tpm_infineon.c
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Original file line number Diff line number Diff line change
Expand Up @@ -104,7 +104,7 @@ static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo)

if (clear_wrfifo) {
for (i = 0; i < 4096; i++) {
status = inb(chip->vendor->base + WRFIFO);
status = inb(chip->vendor.base + WRFIFO);
if (status == 0xff) {
if (check == 5)
break;
Expand All @@ -124,8 +124,8 @@ static int empty_fifo(struct tpm_chip *chip, int clear_wrfifo)
*/
i = 0;
do {
status = inb(chip->vendor->base + RDFIFO);
status = inb(chip->vendor->base + STAT);
status = inb(chip->vendor.base + RDFIFO);
status = inb(chip->vendor.base + STAT);
i++;
if (i == TPM_MAX_TRIES)
return -EIO;
Expand All @@ -138,7 +138,7 @@ static int wait(struct tpm_chip *chip, int wait_for_bit)
int status;
int i;
for (i = 0; i < TPM_MAX_TRIES; i++) {
status = inb(chip->vendor->base + STAT);
status = inb(chip->vendor.base + STAT);
/* check the status-register if wait_for_bit is set */
if (status & 1 << wait_for_bit)
break;
Expand All @@ -157,7 +157,7 @@ static int wait(struct tpm_chip *chip, int wait_for_bit)
static void wait_and_send(struct tpm_chip *chip, u8 sendbyte)
{
wait(chip, STAT_XFE);
outb(sendbyte, chip->vendor->base + WRFIFO);
outb(sendbyte, chip->vendor.base + WRFIFO);
}

/* Note: WTX means Waiting-Time-Extension. Whenever the TPM needs more
Expand Down Expand Up @@ -204,7 +204,7 @@ static int tpm_inf_recv(struct tpm_chip *chip, u8 * buf, size_t count)
ret = wait(chip, STAT_RDA);
if (ret)
return -EIO;
buf[i] = inb(chip->vendor->base + RDFIFO);
buf[i] = inb(chip->vendor.base + RDFIFO);
}

if (buf[0] != TPM_VL_VER) {
Expand All @@ -219,7 +219,7 @@ static int tpm_inf_recv(struct tpm_chip *chip, u8 * buf, size_t count)

for (i = 0; i < size; i++) {
wait(chip, STAT_RDA);
buf[i] = inb(chip->vendor->base + RDFIFO);
buf[i] = inb(chip->vendor.base + RDFIFO);
}

if ((size == 0x6D00) && (buf[1] == 0x80)) {
Expand Down Expand Up @@ -268,7 +268,7 @@ static int tpm_inf_send(struct tpm_chip *chip, u8 * buf, size_t count)
u8 count_high, count_low, count_4, count_3, count_2, count_1;

/* Disabling Reset, LP and IRQC */
outb(RESET_LP_IRQC_DISABLE, chip->vendor->base + CMD);
outb(RESET_LP_IRQC_DISABLE, chip->vendor.base + CMD);

ret = empty_fifo(chip, 1);
if (ret) {
Expand Down Expand Up @@ -319,7 +319,7 @@ static void tpm_inf_cancel(struct tpm_chip *chip)

static u8 tpm_inf_status(struct tpm_chip *chip)
{
return inb(chip->vendor->base + STAT);
return inb(chip->vendor.base + STAT);
}

static DEVICE_ATTR(pubek, S_IRUGO, tpm_show_pubek, NULL);
Expand All @@ -346,7 +346,7 @@ static struct file_operations inf_ops = {
.release = tpm_release,
};

static struct tpm_vendor_specific tpm_inf = {
static const struct tpm_vendor_specific tpm_inf = {
.recv = tpm_inf_recv,
.send = tpm_inf_send,
.cancel = tpm_inf_cancel,
Expand Down Expand Up @@ -375,6 +375,7 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
int version[2];
int productid[2];
char chipname[20];
struct tpm_chip *chip;

/* read IO-ports through PnP */
if (pnp_port_valid(dev, 0) && pnp_port_valid(dev, 1) &&
Expand All @@ -395,14 +396,13 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
goto err_last;
}
/* publish my base address and request region */
tpm_inf.base = TPM_INF_BASE;
if (request_region
(tpm_inf.base, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) {
(TPM_INF_BASE, TPM_INF_PORT_LEN, "tpm_infineon0") == NULL) {
rc = -EINVAL;
goto err_last;
}
if (request_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN,
"tpm_infineon0") == NULL) {
if (request_region
(TPM_INF_ADDR, TPM_INF_ADDR_LEN, "tpm_infineon0") == NULL) {
rc = -EINVAL;
goto err_last;
}
Expand Down Expand Up @@ -442,20 +442,20 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,

/* configure TPM with IO-ports */
outb(IOLIMH, TPM_INF_ADDR);
outb(((tpm_inf.base >> 8) & 0xff), TPM_INF_DATA);
outb(((TPM_INF_BASE >> 8) & 0xff), TPM_INF_DATA);
outb(IOLIML, TPM_INF_ADDR);
outb((tpm_inf.base & 0xff), TPM_INF_DATA);
outb((TPM_INF_BASE & 0xff), TPM_INF_DATA);

/* control if IO-ports are set correctly */
outb(IOLIMH, TPM_INF_ADDR);
ioh = inb(TPM_INF_DATA);
outb(IOLIML, TPM_INF_ADDR);
iol = inb(TPM_INF_DATA);

if ((ioh << 8 | iol) != tpm_inf.base) {
if ((ioh << 8 | iol) != TPM_INF_BASE) {
dev_err(&dev->dev,
"Could not set IO-ports to 0x%lx\n",
tpm_inf.base);
"Could not set IO-ports to 0x%x\n",
TPM_INF_BASE);
rc = -EIO;
goto err_release_region;
}
Expand All @@ -466,35 +466,34 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
outb(DISABLE_REGISTER_PAIR, TPM_INF_ADDR);

/* disable RESET, LP and IRQC */
outb(RESET_LP_IRQC_DISABLE, tpm_inf.base + CMD);
outb(RESET_LP_IRQC_DISABLE, TPM_INF_BASE + CMD);

/* Finally, we're done, print some infos */
dev_info(&dev->dev, "TPM found: "
"config base 0x%x, "
"io base 0x%x, "
"chip version %02x%02x, "
"vendor id %x%x (Infineon), "
"product id %02x%02x"
"chip version 0x%02x%02x, "
"vendor id 0x%x%x (Infineon), "
"product id 0x%02x%02x"
"%s\n",
TPM_INF_ADDR,
TPM_INF_BASE,
version[0], version[1],
vendorid[0], vendorid[1],
productid[0], productid[1], chipname);

rc = tpm_register_hardware(&dev->dev, &tpm_inf);
if (rc < 0) {
rc = -ENODEV;
if (!(chip = tpm_register_hardware(&dev->dev, &tpm_inf))) {
goto err_release_region;
}
chip->vendor.base = TPM_INF_BASE;
return 0;
} else {
rc = -ENODEV;
goto err_release_region;
}

err_release_region:
release_region(tpm_inf.base, TPM_INF_PORT_LEN);
release_region(TPM_INF_BASE, TPM_INF_PORT_LEN);
release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN);

err_last:
Expand All @@ -506,7 +505,8 @@ static __devexit void tpm_inf_pnp_remove(struct pnp_dev *dev)
struct tpm_chip *chip = pnp_get_drvdata(dev);

if (chip) {
release_region(chip->vendor->base, TPM_INF_PORT_LEN);
release_region(TPM_INF_BASE, TPM_INF_PORT_LEN);
release_region(TPM_INF_ADDR, TPM_INF_ADDR_LEN);
tpm_remove_hardware(chip->dev);
}
}
Expand Down Expand Up @@ -538,5 +538,5 @@ module_exit(cleanup_inf);

MODULE_AUTHOR("Marcel Selhorst <selhorst@crypto.rub.de>");
MODULE_DESCRIPTION("Driver for Infineon TPM SLD 9630 TT 1.1 / SLB 9635 TT 1.2");
MODULE_VERSION("1.7");
MODULE_VERSION("1.8");
MODULE_LICENSE("GPL");

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