Commit e496f540 authored by Marcel Selhorst's avatar Marcel Selhorst Committed by Linus Torvalds
Browse files

[PATCH] tpm: tpm_infineon updated to latest interface changes



Apply the latest changes in the TPM interface to the Infineon TPM-driver.
Signed-off-by: default avatarMarcel Selhorst <selhorst@crypto.rub.de>
Acked-by: default avatarKylie Hall <kjhall@us.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 10685a95
......@@ -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;
......@@ -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;
......@@ -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;
......@@ -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
......@@ -204,7 +204,7 @@ recv_begin:
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) {
......@@ -219,7 +219,7 @@ recv_begin:
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)) {
......@@ -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) {
......@@ -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);
......@@ -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,
......@@ -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) &&
......@@ -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;
}
......@@ -442,9 +442,9 @@ 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);
......@@ -452,10 +452,10 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
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;
}
......@@ -466,15 +466,15 @@ 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,
......@@ -482,11 +482,10 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
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;
......@@ -494,7 +493,7 @@ static int __devinit tpm_inf_pnp_probe(struct pnp_dev *dev,
}
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:
......@@ -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);
}
}
......@@ -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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