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-rw-r--r--drivers/i2c/busses/Kconfig9
-rw-r--r--drivers/i2c/busses/i2c-acorn.c2
-rw-r--r--drivers/i2c/busses/i2c-davinci.c8
-rw-r--r--drivers/i2c/busses/i2c-ibm_iic.c6
-rw-r--r--drivers/i2c/busses/i2c-iop3xx.c2
-rw-r--r--drivers/i2c/busses/i2c-mpc.c4
-rw-r--r--drivers/i2c/busses/i2c-mv64xxx.c7
-rw-r--r--drivers/i2c/busses/i2c-nforce2.c12
-rw-r--r--drivers/i2c/busses/i2c-omap.c47
-rw-r--r--drivers/i2c/busses/i2c-pca-isa.c39
-rw-r--r--drivers/i2c/busses/i2c-pca-platform.c48
-rw-r--r--drivers/i2c/busses/i2c-piix4.c77
-rw-r--r--drivers/i2c/busses/i2c-powermac.c3
-rw-r--r--drivers/i2c/busses/i2c-pxa.c9
-rw-r--r--drivers/i2c/busses/i2c-versatile.c10
15 files changed, 194 insertions, 89 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 7f95905bbb9d..da809ad0996a 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -132,6 +132,7 @@ config I2C_PIIX4
Serverworks CSB5
Serverworks CSB6
Serverworks HT-1000
+ Serverworks HT-1100
SMSC Victory66
This driver can also be built as a module. If so, the module
@@ -617,12 +618,12 @@ config I2C_ELEKTOR
will be called i2c-elektor.
config I2C_PCA_ISA
- tristate "PCA9564 on an ISA bus"
+ tristate "PCA9564/PCA9665 on an ISA bus"
depends on ISA
select I2C_ALGOPCA
default n
help
- This driver supports ISA boards using the Philips PCA9564
+ This driver supports ISA boards using the Philips PCA9564/PCA9665
parallel bus to I2C bus controller.
This driver can also be built as a module. If so, the module
@@ -634,11 +635,11 @@ config I2C_PCA_ISA
time). If unsure, say N.
config I2C_PCA_PLATFORM
- tristate "PCA9564 as platform device"
+ tristate "PCA9564/PCA9665 as platform device"
select I2C_ALGOPCA
default n
help
- This driver supports a memory mapped Philips PCA9564
+ This driver supports a memory mapped Philips PCA9564/PCA9665
parallel bus to I2C bus controller.
This driver can also be built as a module. If so, the module
diff --git a/drivers/i2c/busses/i2c-acorn.c b/drivers/i2c/busses/i2c-acorn.c
index 9aefb5e5864d..86796488ef4f 100644
--- a/drivers/i2c/busses/i2c-acorn.c
+++ b/drivers/i2c/busses/i2c-acorn.c
@@ -15,9 +15,9 @@
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
+#include <linux/io.h>
#include <mach/hardware.h>
-#include <asm/io.h>
#include <asm/hardware/ioc.h>
#include <asm/system.h>
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 5d7789834b95..3fae3a91ce5b 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -216,7 +216,7 @@ static int i2c_davinci_wait_bus_not_busy(struct davinci_i2c_dev *dev,
{
unsigned long timeout;
- timeout = jiffies + DAVINCI_I2C_TIMEOUT;
+ timeout = jiffies + dev->adapter.timeout;
while (davinci_i2c_read_reg(dev, DAVINCI_I2C_STR_REG)
& DAVINCI_I2C_STR_BB) {
if (time_after(jiffies, timeout)) {
@@ -289,7 +289,7 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, flag);
r = wait_for_completion_interruptible_timeout(&dev->cmd_complete,
- DAVINCI_I2C_TIMEOUT);
+ dev->adapter.timeout);
if (r == 0) {
dev_err(dev->dev, "controller timed out\n");
i2c_davinci_init(dev);
@@ -546,9 +546,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
strlcpy(adap->name, "DaVinci I2C adapter", sizeof(adap->name));
adap->algo = &i2c_davinci_algo;
adap->dev.parent = &pdev->dev;
-
- /* FIXME */
- adap->timeout = 1;
+ adap->timeout = DAVINCI_I2C_TIMEOUT;
adap->nr = pdev->id;
r = i2c_add_numbered_adapter(adap);
diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
index 88f0db73b364..8b92a4666e02 100644
--- a/drivers/i2c/busses/i2c-ibm_iic.c
+++ b/drivers/i2c/busses/i2c-ibm_iic.c
@@ -415,7 +415,7 @@ static int iic_wait_for_tc(struct ibm_iic_private* dev){
if (dev->irq >= 0){
/* Interrupt mode */
ret = wait_event_interruptible_timeout(dev->wq,
- !(in_8(&iic->sts) & STS_PT), dev->adap.timeout * HZ);
+ !(in_8(&iic->sts) & STS_PT), dev->adap.timeout);
if (unlikely(ret < 0))
DBG("%d: wait interrupted\n", dev->idx);
@@ -426,7 +426,7 @@ static int iic_wait_for_tc(struct ibm_iic_private* dev){
}
else {
/* Polling mode */
- unsigned long x = jiffies + dev->adap.timeout * HZ;
+ unsigned long x = jiffies + dev->adap.timeout;
while (in_8(&iic->sts) & STS_PT){
if (unlikely(time_after(jiffies, x))){
@@ -748,7 +748,7 @@ static int __devinit iic_probe(struct of_device *ofdev,
i2c_set_adapdata(adap, dev);
adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
adap->algo = &iic_algo;
- adap->timeout = 1;
+ adap->timeout = HZ;
ret = i2c_add_adapter(adap);
if (ret < 0) {
diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c
index 3190690c26ce..a75c75e77b92 100644
--- a/drivers/i2c/busses/i2c-iop3xx.c
+++ b/drivers/i2c/busses/i2c-iop3xx.c
@@ -488,7 +488,7 @@ iop3xx_i2c_probe(struct platform_device *pdev)
/*
* Default values...should these come in from board code?
*/
- new_adapter->timeout = 100;
+ new_adapter->timeout = HZ;
new_adapter->algo = &iop3xx_i2c_algo;
init_waitqueue_head(&adapter_data->waitq);
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index 3163eab3f608..26bf37010586 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -116,7 +116,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing)
} else {
/* Interrupt mode */
result = wait_event_timeout(i2c->queue,
- (i2c->interrupt & CSR_MIF), timeout * HZ);
+ (i2c->interrupt & CSR_MIF), timeout);
if (unlikely(!(i2c->interrupt & CSR_MIF))) {
pr_debug("I2C: wait timeout\n");
@@ -308,7 +308,7 @@ static struct i2c_adapter mpc_ops = {
.owner = THIS_MODULE,
.name = "MPC adapter",
.algo = &mpc_algo,
- .timeout = 1,
+ .timeout = HZ,
};
static int __devinit fsl_i2c_probe(struct of_device *op, const struct of_device_id *match)
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 7f186bbcb99d..5a4945d1dba4 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -358,7 +358,7 @@ mv64xxx_i2c_wait_for_completion(struct mv64xxx_i2c_data *drv_data)
char abort = 0;
time_left = wait_event_interruptible_timeout(drv_data->waitq,
- !drv_data->block, msecs_to_jiffies(drv_data->adapter.timeout));
+ !drv_data->block, drv_data->adapter.timeout);
spin_lock_irqsave(&drv_data->lock, flags);
if (!time_left) { /* Timed out */
@@ -374,8 +374,7 @@ mv64xxx_i2c_wait_for_completion(struct mv64xxx_i2c_data *drv_data)
spin_unlock_irqrestore(&drv_data->lock, flags);
time_left = wait_event_timeout(drv_data->waitq,
- !drv_data->block,
- msecs_to_jiffies(drv_data->adapter.timeout));
+ !drv_data->block, drv_data->adapter.timeout);
if ((time_left <= 0) && drv_data->block) {
drv_data->state = MV64XXX_I2C_STATE_IDLE;
@@ -530,7 +529,7 @@ mv64xxx_i2c_probe(struct platform_device *pd)
drv_data->adapter.algo = &mv64xxx_i2c_algo;
drv_data->adapter.owner = THIS_MODULE;
drv_data->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
- drv_data->adapter.timeout = pdata->timeout;
+ drv_data->adapter.timeout = msecs_to_jiffies(pdata->timeout);
drv_data->adapter.nr = pd->id;
platform_set_drvdata(pd, drv_data);
i2c_set_adapdata(&drv_data->adapter, drv_data);
diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c
index 05af6cd7f270..2ff4683703a8 100644
--- a/drivers/i2c/busses/i2c-nforce2.c
+++ b/drivers/i2c/busses/i2c-nforce2.c
@@ -31,10 +31,14 @@
nForce3 250Gb MCP 00E4
nForce4 MCP 0052
nForce4 MCP-04 0034
- nForce4 MCP51 0264
- nForce4 MCP55 0368
+ nForce MCP51 0264
+ nForce MCP55 0368
nForce MCP61 03EB
nForce MCP65 0446
+ nForce MCP67 0542
+ nForce MCP73 07D8
+ nForce MCP78S 0752
+ nForce MCP79 0AA2
This driver supports the 2 SMBuses that are included in the MCP of the
nForce2/3/4/5xx chipsets.
@@ -315,6 +319,10 @@ static struct pci_device_id nforce2_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SMBUS) },
{ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP65_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP67_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP78S_SMBUS) },
+ { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP79_SMBUS) },
{ 0 }
};
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index be8ee2cac8bb..ece0125a1ee5 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -193,22 +193,24 @@ static inline u16 omap_i2c_read_reg(struct omap_i2c_dev *i2c_dev, int reg)
static int __init omap_i2c_get_clocks(struct omap_i2c_dev *dev)
{
- if (cpu_is_omap16xx() || cpu_class_is_omap2()) {
- dev->iclk = clk_get(dev->dev, "i2c_ick");
- if (IS_ERR(dev->iclk)) {
- dev->iclk = NULL;
- return -ENODEV;
- }
+ int ret;
+
+ dev->iclk = clk_get(dev->dev, "ick");
+ if (IS_ERR(dev->iclk)) {
+ ret = PTR_ERR(dev->iclk);
+ dev->iclk = NULL;
+ return ret;
}
- dev->fclk = clk_get(dev->dev, "i2c_fck");
+ dev->fclk = clk_get(dev->dev, "fck");
if (IS_ERR(dev->fclk)) {
+ ret = PTR_ERR(dev->fclk);
if (dev->iclk != NULL) {
clk_put(dev->iclk);
dev->iclk = NULL;
}
dev->fclk = NULL;
- return -ENODEV;
+ return ret;
}
return 0;
@@ -218,18 +220,15 @@ static void omap_i2c_put_clocks(struct omap_i2c_dev *dev)
{
clk_put(dev->fclk);
dev->fclk = NULL;
- if (dev->iclk != NULL) {
- clk_put(dev->iclk);
- dev->iclk = NULL;
- }
+ clk_put(dev->iclk);
+ dev->iclk = NULL;
}
static void omap_i2c_unidle(struct omap_i2c_dev *dev)
{
WARN_ON(!dev->idle);
- if (dev->iclk != NULL)
- clk_enable(dev->iclk);
+ clk_enable(dev->iclk);
clk_enable(dev->fclk);
dev->idle = 0;
if (dev->iestate)
@@ -254,8 +253,7 @@ static void omap_i2c_idle(struct omap_i2c_dev *dev)
}
dev->idle = 1;
clk_disable(dev->fclk);
- if (dev->iclk != NULL)
- clk_disable(dev->iclk);
+ clk_disable(dev->iclk);
}
static int omap_i2c_init(struct omap_i2c_dev *dev)
@@ -312,15 +310,14 @@ static int omap_i2c_init(struct omap_i2c_dev *dev)
omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0);
if (cpu_class_is_omap1()) {
- struct clk *armxor_ck;
-
- armxor_ck = clk_get(NULL, "armxor_ck");
- if (IS_ERR(armxor_ck))
- dev_warn(dev->dev, "Could not get armxor_ck\n");
- else {
- fclk_rate = clk_get_rate(armxor_ck);
- clk_put(armxor_ck);
- }
+ /*
+ * The I2C functional clock is the armxor_ck, so there's
+ * no need to get "armxor_ck" separately. Now, if OMAP2420
+ * always returns 12MHz for the functional clock, we can
+ * do this bit unconditionally.
+ */
+ fclk_rate = clk_get_rate(dev->fclk);
+
/* TRM for 5912 says the I2C clock must be prescaled to be
* between 7 - 12 MHz. The XOR input clock is typically
* 12, 13 or 19.2 MHz. So we should have code that produces:
diff --git a/drivers/i2c/busses/i2c-pca-isa.c b/drivers/i2c/busses/i2c-pca-isa.c
index 4aa8138cb0a9..0ed68e2ccd22 100644
--- a/drivers/i2c/busses/i2c-pca-isa.c
+++ b/drivers/i2c/busses/i2c-pca-isa.c
@@ -23,6 +23,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/delay.h>
+#include <linux/jiffies.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/wait.h>
@@ -41,15 +42,17 @@ static int irq = -1;
/* Data sheet recommends 59kHz for 100kHz operation due to variation
* in the actual clock rate */
-static int clock = I2C_PCA_CON_59kHz;
+static int clock = 59000;
+static struct i2c_adapter pca_isa_ops;
static wait_queue_head_t pca_wait;
static void pca_isa_writebyte(void *pd, int reg, int val)
{
#ifdef DEBUG_IO
static char *names[] = { "T/O", "DAT", "ADR", "CON" };
- printk("*** write %s at %#lx <= %#04x\n", names[reg], base+reg, val);
+ printk(KERN_DEBUG "*** write %s at %#lx <= %#04x\n", names[reg],
+ base+reg, val);
#endif
outb(val, base+reg);
}
@@ -60,7 +63,7 @@ static int pca_isa_readbyte(void *pd, int reg)
#ifdef DEBUG_IO
{
static char *names[] = { "STA", "DAT", "ADR", "CON" };
- printk("*** read %s => %#04x\n", names[reg], res);
+ printk(KERN_DEBUG "*** read %s => %#04x\n", names[reg], res);
}
#endif
return res;
@@ -68,16 +71,22 @@ static int pca_isa_readbyte(void *pd, int reg)
static int pca_isa_waitforcompletion(void *pd)
{
- int ret = 0;
+ long ret = ~0;
+ unsigned long timeout;
if (irq > -1) {
- ret = wait_event_interruptible(pca_wait,
- pca_isa_readbyte(pd, I2C_PCA_CON) & I2C_PCA_CON_SI);
+ ret = wait_event_interruptible_timeout(pca_wait,
+ pca_isa_readbyte(pd, I2C_PCA_CON)
+ & I2C_PCA_CON_SI, pca_isa_ops.timeout);
} else {
- while ((pca_isa_readbyte(pd, I2C_PCA_CON) & I2C_PCA_CON_SI) == 0)
+ /* Do polling */
+ timeout = jiffies + pca_isa_ops.timeout;
+ while (((pca_isa_readbyte(pd, I2C_PCA_CON)
+ & I2C_PCA_CON_SI) == 0)
+ && (ret = time_before(jiffies, timeout)))
udelay(100);
}
- return ret;
+ return ret > 0;
}
static void pca_isa_resetchip(void *pd)
@@ -102,8 +111,8 @@ static struct i2c_algo_pca_data pca_isa_data = {
static struct i2c_adapter pca_isa_ops = {
.owner = THIS_MODULE,
.algo_data = &pca_isa_data,
- .name = "PCA9564 ISA Adapter",
- .timeout = 100,
+ .name = "PCA9564/PCA9665 ISA Adapter",
+ .timeout = HZ,
};
static int __devinit pca_isa_match(struct device *dev, unsigned int id)
@@ -195,7 +204,7 @@ static void __exit pca_isa_exit(void)
}
MODULE_AUTHOR("Ian Campbell <icampbell@arcom.com>");
-MODULE_DESCRIPTION("ISA base PCA9564 driver");
+MODULE_DESCRIPTION("ISA base PCA9564/PCA9665 driver");
MODULE_LICENSE("GPL");
module_param(base, ulong, 0);
@@ -204,7 +213,13 @@ MODULE_PARM_DESC(base, "I/O base address");
module_param(irq, int, 0);
MODULE_PARM_DESC(irq, "IRQ");
module_param(clock, int, 0);
-MODULE_PARM_DESC(clock, "Clock rate as described in table 1 of PCA9564 datasheet");
+MODULE_PARM_DESC(clock, "Clock rate in hertz.\n\t\t"
+ "For PCA9564: 330000,288000,217000,146000,"
+ "88000,59000,44000,36000\n"
+ "\t\tFor PCA9665:\tStandard: 60300 - 100099\n"
+ "\t\t\t\tFast: 100100 - 400099\n"
+ "\t\t\t\tFast+: 400100 - 10000099\n"
+ "\t\t\t\tTurbo: Up to 1265800");
module_init(pca_isa_init);
module_exit(pca_isa_exit);
diff --git a/drivers/i2c/busses/i2c-pca-platform.c b/drivers/i2c/busses/i2c-pca-platform.c
index 6bb15ad0a6b6..7b23891b7d59 100644
--- a/drivers/i2c/busses/i2c-pca-platform.c
+++ b/drivers/i2c/busses/i2c-pca-platform.c
@@ -15,6 +15,7 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/delay.h>
+#include <linux/jiffies.h>
#include <linux/errno.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
@@ -81,24 +82,23 @@ static void i2c_pca_pf_writebyte32(void *pd, int reg, int val)
static int i2c_pca_pf_waitforcompletion(void *pd)
{
struct i2c_pca_pf_data *i2c = pd;
- int ret = 0;
+ long ret = ~0;
+ unsigned long timeout;
if (i2c->irq) {
- ret = wait_event_interruptible(i2c->wait,
+ ret = wait_event_interruptible_timeout(i2c->wait,
i2c->algo_data.read_byte(i2c, I2C_PCA_CON)
- & I2C_PCA_CON_SI);
+ & I2C_PCA_CON_SI, i2c->adap.timeout);
} else {
- /*
- * Do polling...
- * XXX: Could get stuck in extreme cases!
- * Maybe add timeout, but using irqs is preferred anyhow.
- */
- while ((i2c->algo_data.read_byte(i2c, I2C_PCA_CON)
+ /* Do polling */
+ timeout = jiffies + i2c->adap.timeout;
+ while (((i2c->algo_data.read_byte(i2c, I2C_PCA_CON)
& I2C_PCA_CON_SI) == 0)
+ && (ret = time_before(jiffies, timeout)))
udelay(100);
}
- return ret;
+ return ret > 0;
}
static void i2c_pca_pf_dummyreset(void *pd)
@@ -172,14 +172,25 @@ static int __devinit i2c_pca_pf_probe(struct platform_device *pdev)
i2c->adap.nr = pdev->id >= 0 ? pdev->id : 0;
i2c->adap.owner = THIS_MODULE;
- snprintf(i2c->adap.name, sizeof(i2c->adap.name), "PCA9564 at 0x%08lx",
- (unsigned long) res->start);
+ snprintf(i2c->adap.name, sizeof(i2c->adap.name),
+ "PCA9564/PCA9665 at 0x%08lx",
+ (unsigned long) res->start);
i2c->adap.algo_data = &i2c->algo_data;
i2c->adap.dev.parent = &pdev->dev;
- i2c->adap.timeout = platform_data->timeout;
- i2c->algo_data.i2c_clock = platform_data->i2c_clock_speed;
+ if (platform_data) {
+ i2c->adap.timeout = platform_data->timeout;
+ i2c->algo_data.i2c_clock = platform_data->i2c_clock_speed;
+ i2c->gpio = platform_data->gpio;
+ } else {
+ i2c->adap.timeout = HZ;
+ i2c->algo_data.i2c_clock = 59000;
+ i2c->gpio = -1;
+ }
+
i2c->algo_data.data = i2c;
+ i2c->algo_data.wait_for_completion = i2c_pca_pf_waitforcompletion;
+ i2c->algo_data.reset_chip = i2c_pca_pf_dummyreset;
switch (res->flags & IORESOURCE_MEM_TYPE_MASK) {
case IORESOURCE_MEM_32BIT:
@@ -197,11 +208,6 @@ static int __devinit i2c_pca_pf_probe(struct platform_device *pdev)
break;
}
- i2c->algo_data.wait_for_completion = i2c_pca_pf_waitforcompletion;
-
- i2c->gpio = platform_data->gpio;
- i2c->algo_data.reset_chip = i2c_pca_pf_dummyreset;
-
/* Use gpio_is_valid() when in mainline */
if (i2c->gpio > -1) {
ret = gpio_request(i2c->gpio, i2c->adap.name);
@@ -246,7 +252,7 @@ e_remap:
e_alloc:
release_mem_region(res->start, res_len(res));
e_print:
- printk(KERN_ERR "Registering PCA9564 FAILED! (%d)\n", ret);
+ printk(KERN_ERR "Registering PCA9564/PCA9665 FAILED! (%d)\n", ret);
return ret;
}
@@ -290,7 +296,7 @@ static void __exit i2c_pca_pf_exit(void)
}
MODULE_AUTHOR("Wolfram Sang <w.sang@pengutronix.de>");
-MODULE_DESCRIPTION("I2C-PCA9564 platform driver");
+MODULE_DESCRIPTION("I2C-PCA9564/PCA9665 platform driver");
MODULE_LICENSE("GPL");
module_init(i2c_pca_pf_init);
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index 761f9dd53620..0249a7d762b9 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -20,7 +20,7 @@
/*
Supports:
Intel PIIX4, 440MX
- Serverworks OSB4, CSB5, CSB6, HT-1000
+ Serverworks OSB4, CSB5, CSB6, HT-1000, HT-1100
ATI IXP200, IXP300, IXP400, SB600, SB700, SB800
SMSC Victory66
@@ -226,6 +226,70 @@ static int __devinit piix4_setup(struct pci_dev *PIIX4_dev,
return 0;
}
+static int __devinit piix4_setup_sb800(struct pci_dev *PIIX4_dev,
+ const struct pci_device_id *id)
+{
+ unsigned short smba_idx = 0xcd6;
+ u8 smba_en_lo, smba_en_hi, i2ccfg, i2ccfg_offset = 0x10, smb_en = 0x2c;
+
+ /* SB800 SMBus does not support forcing address */
+ if (force || force_addr) {
+ dev_err(&PIIX4_dev->dev, "SB800 SMBus does not support "
+ "forcing address!\n");
+ return -EINVAL;
+ }
+
+ /* Determine the address of the SMBus areas */
+ if (!request_region(smba_idx, 2, "smba_idx")) {
+ dev_err(&PIIX4_dev->dev, "SMBus base address index region "
+ "0x%x already in use!\n", smba_idx);
+ return -EBUSY;
+ }
+ outb_p(smb_en, smba_idx);
+ smba_en_lo = inb_p(smba_idx + 1);
+ outb_p(smb_en + 1, smba_idx);
+ smba_en_hi = inb_p(smba_idx + 1);
+ release_region(smba_idx, 2);
+
+ if ((smba_en_lo & 1) == 0) {
+ dev_err(&PIIX4_dev->dev,
+ "Host SMBus controller not enabled!\n");
+ return -ENODEV;
+ }
+
+ piix4_smba = ((smba_en_hi << 8) | smba_en_lo) & 0xffe0;
+ if (acpi_check_region(piix4_smba, SMBIOSIZE, piix4_driver.name))
+ return -EBUSY;
+
+ if (!request_region(piix4_smba, SMBIOSIZE, piix4_driver.name)) {
+ dev_err(&PIIX4_dev->dev, "SMBus region 0x%x already in use!\n",
+ piix4_smba);
+ return -EBUSY;
+ }
+
+ /* Request the SMBus I2C bus config region */
+ if (!request_region(piix4_smba + i2ccfg_offset, 1, "i2ccfg")) {
+ dev_err(&PIIX4_dev->dev, "SMBus I2C bus config region "
+ "0x%x already in use!\n", piix4_smba + i2ccfg_offset);
+ release_region(piix4_smba, SMBIOSIZE);
+ piix4_smba = 0;
+ return -EBUSY;
+ }
+ i2ccfg = inb_p(piix4_smba + i2ccfg_offset);
+ release_region(piix4_smba + i2ccfg_offset, 1);
+
+ if (i2ccfg & 1)
+ dev_dbg(&PIIX4_dev->dev, "Using IRQ for SMBus.\n");
+ else
+ dev_dbg(&PIIX4_dev->dev, "Using SMI# for SMBus.\n");
+
+ dev_info(&PIIX4_dev->dev,
+ "SMBus Host Controller at 0x%x, revision %d\n",
+ piix4_smba, i2ccfg >> 4);
+
+ return 0;
+}
+
static int piix4_transaction(void)
{
int temp;
@@ -423,6 +487,8 @@ static struct pci_device_id piix4_ids[] = {
PCI_DEVICE_ID_SERVERWORKS_CSB6) },
{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS,
PCI_DEVICE_ID_SERVERWORKS_HT1000SB) },
+ { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS,
+ PCI_DEVICE_ID_SERVERWORKS_HT1100LD) },
{ 0, }
};
@@ -433,7 +499,14 @@ static int __devinit piix4_probe(struct pci_dev *dev,
{
int retval;
- retval = piix4_setup(dev, id);
+ if ((dev->vendor == PCI_VENDOR_ID_ATI) &&
+ (dev->device == PCI_DEVICE_ID_ATI_SBX00_SMBUS) &&
+ (dev->revision >= 0x40))
+ /* base address location etc changed in SB800 */
+ retval = piix4_setup_sb800(dev, id);
+ else
+ retval = piix4_setup(dev, id);
+
if (retval)
return retval;
diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c
index 60ca91745e55..3c9d71f60187 100644
--- a/drivers/i2c/busses/i2c-powermac.c
+++ b/drivers/i2c/busses/i2c-powermac.c
@@ -191,7 +191,8 @@ static int __devexit i2c_powermac_remove(struct platform_device *dev)
i2c_set_adapdata(adapter, NULL);
/* We aren't that prepared to deal with this... */
if (rc)
- printk("i2c-powermac.c: Failed to remove bus %s !\n",
+ printk(KERN_WARNING
+ "i2c-powermac.c: Failed to remove bus %s !\n",
adapter->name);
platform_set_drvdata(dev, NULL);
kfree(adapter);
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index bdb1f7510e91..c1405c8f6ba5 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -210,11 +210,12 @@ static irqreturn_t i2c_pxa_handler(int this_irq, void *dev_id);
static void i2c_pxa_scream_blue_murder(struct pxa_i2c *i2c, const char *why)
{
unsigned int i;
- printk("i2c: error: %s\n", why);
- printk("i2c: msg_num: %d msg_idx: %d msg_ptr: %d\n",
+ printk(KERN_ERR "i2c: error: %s\n", why);
+ printk(KERN_ERR "i2c: msg_num: %d msg_idx: %d msg_ptr: %d\n",
i2c->msg_num, i2c->msg_idx, i2c->msg_ptr);
- printk("i2c: ICR: %08x ISR: %08x\n"
- "i2c: log: ", readl(_ICR(i2c)), readl(_ISR(i2c)));
+ printk(KERN_ERR "i2c: ICR: %08x ISR: %08x\n",
+ readl(_ICR(i2c)), readl(_ISR(i2c)));
+ printk(KERN_DEBUG "i2c: log: ");
for (i = 0; i < i2c->irqlogidx; i++)
printk("[%08x:%08x] ", i2c->isrlog[i], i2c->icrlog[i]);
printk("\n");
diff --git a/drivers/i2c/busses/i2c-versatile.c b/drivers/i2c/busses/i2c-versatile.c
index 4678babd3ce6..fede619ba227 100644
--- a/drivers/i2c/busses/i2c-versatile.c
+++ b/drivers/i2c/busses/i2c-versatile.c
@@ -102,7 +102,13 @@ static int i2c_versatile_probe(struct platform_device *dev)
i2c->algo = i2c_versatile_algo;
i2c->algo.data = i2c;
- ret = i2c_bit_add_bus(&i2c->adap);
+ if (dev->id >= 0) {
+ /* static bus numbering */
+ i2c->adap.nr = dev->id;
+ ret = i2c_bit_add_numbered_bus(&i2c->adap);
+ } else
+ /* dynamic bus numbering */
+ ret = i2c_bit_add_bus(&i2c->adap);
if (ret >= 0) {
platform_set_drvdata(dev, i2c);
return 0;
@@ -146,7 +152,7 @@ static void __exit i2c_versatile_exit(void)
platform_driver_unregister(&i2c_versatile_driver);
}
-module_init(i2c_versatile_init);
+subsys_initcall(i2c_versatile_init);
module_exit(i2c_versatile_exit);
MODULE_DESCRIPTION("ARM Versatile I2C bus driver");
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 06:22:57 +0100