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SubjectRe: [RFT] Sonypi: convert to the new platform device interface
Date
On Sunday 25 December 2005 16:09, Jan Engelhardt wrote:
>
> >> > The patch compiles but I was unable to test it since I don't have the
> >> > hardware...
> >>
> >> other than that seems to work here on a type2 model:
>
> It does not work here on a SONY VAIO U3. After loading the sonypi module,
> neither mev nor showkey return something for the special stuff like
> jogwheel, jogbutton or Fn keys respectively.
>
> Running 2.6.15-rc7, this appeared in the kernel log:
> Dec 25 22:06:14 takeshi kernel: sonypi: request_irq failed
>

Jan,

You did make the changes Maattia Dongili was talking about, didn't you?
Just in case I am sending corrected patch.

--
Dmitry

Sonypi: convert to the new platform device interface

Do not use platform_device_register_simple() as it is going away,
implement ->probe() and ->remove() functions so manual binding and
unbinding will work with this driver.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
---

drivers/char/sonypi.c | 358 ++++++++++++++++++++++++++++----------------------
1 files changed, 206 insertions(+), 152 deletions(-)

Index: work/drivers/char/sonypi.c
===================================================================
--- work.orig/drivers/char/sonypi.c
+++ work/drivers/char/sonypi.c
@@ -471,7 +471,6 @@ struct sonypi_keypress {

static struct sonypi_device {
struct pci_dev *dev;
- struct platform_device *pdev;
u16 irq;
u16 bits;
u16 ioport1;
@@ -1165,45 +1164,12 @@ static int sonypi_disable(void)
return 0;
}

-#ifdef CONFIG_PM
-static int old_camera_power;
-
-static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
-{
- old_camera_power = sonypi_device.camera_power;
- sonypi_disable();
-
- return 0;
-}
-
-static int sonypi_resume(struct platform_device *dev)
-{
- sonypi_enable(old_camera_power);
- return 0;
-}
-#endif
-
-static void sonypi_shutdown(struct platform_device *dev)
-{
- sonypi_disable();
-}
-
-static struct platform_driver sonypi_driver = {
-#ifdef CONFIG_PM
- .suspend = sonypi_suspend,
- .resume = sonypi_resume,
-#endif
- .shutdown = sonypi_shutdown,
- .driver = {
- .name = "sonypi",
- },
-};
-
static int __devinit sonypi_create_input_devices(void)
{
struct input_dev *jog_dev;
struct input_dev *key_dev;
int i;
+ int error;

sonypi_device.input_jog_dev = jog_dev = input_allocate_device();
if (!jog_dev)
@@ -1219,9 +1185,8 @@ static int __devinit sonypi_create_input

sonypi_device.input_key_dev = key_dev = input_allocate_device();
if (!key_dev) {
- input_free_device(jog_dev);
- sonypi_device.input_jog_dev = NULL;
- return -ENOMEM;
+ error = -ENOMEM;
+ goto err_free_jogdev;
}

key_dev->name = "Sony Vaio Keys";
@@ -1234,56 +1199,122 @@ static int __devinit sonypi_create_input
if (sonypi_inputkeys[i].inputev)
set_bit(sonypi_inputkeys[i].inputev, key_dev->keybit);

- input_register_device(jog_dev);
- input_register_device(key_dev);
+ error = input_register_device(jog_dev);
+ if (error)
+ goto err_free_keydev;
+
+ error = input_register_device(key_dev);
+ if (error)
+ goto err_unregister_jogdev;

return 0;
+
+ err_unregister_jogdev:
+ input_unregister_device(jog_dev);
+ /* Set to NULL so we don't free it again below */
+ jog_dev = NULL;
+ err_free_keydev:
+ input_free_device(key_dev);
+ sonypi_device.input_key_dev = NULL;
+ err_free_jogdev:
+ input_free_device(jog_dev);
+ sonypi_device.input_jog_dev = NULL;
+
+ return error;
}

-static int __devinit sonypi_probe(void)
+static int __devinit sonypi_setup_ioports(struct sonypi_device *dev,
+ const struct sonypi_ioport_list *ioport_list)
{
- int i, ret;
- struct sonypi_ioport_list *ioport_list;
- struct sonypi_irq_list *irq_list;
- struct pci_dev *pcidev;
+ while (ioport_list->port1) {

- if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
- sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
- else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
- sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
- else
- sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
+ if (request_region(ioport_list->port1,
+ sonypi_device.region_size,
+ "Sony Programable I/O Device")) {
+ dev->ioport1 = ioport_list->port1;
+ dev->ioport2 = ioport_list->port2;
+ return 0;
+ }
+ ioport_list++;
+ }

- sonypi_device.dev = pcidev;
+ return -EBUSY;
+}
+
+static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
+ const struct sonypi_irq_list *irq_list)
+{
+ while (irq_list->irq) {
+
+ if (!request_irq(irq_list->irq, sonypi_irq,
+ SA_SHIRQ, "sonypi", sonypi_irq)) {
+ dev->irq = irq_list->irq;
+ dev->bits = irq_list->bits;
+ return 0;
+ }
+ irq_list++;
+ }
+
+ return -EBUSY;
+}
+
+static void __devinit sonypi_display_info(void)
+{
+ printk(KERN_INFO "sonypi: detected type%d model, "
+ "verbose = %d, fnkeyinit = %s, camera = %s, "
+ "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
+ sonypi_device.model,
+ verbose,
+ fnkeyinit ? "on" : "off",
+ camera ? "on" : "off",
+ compat ? "on" : "off",
+ mask,
+ useinput ? "on" : "off",
+ SONYPI_ACPI_ACTIVE ? "on" : "off");
+ printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
+ sonypi_device.irq,
+ sonypi_device.ioport1, sonypi_device.ioport2);
+
+ if (minor == -1)
+ printk(KERN_INFO "sonypi: device allocated minor is %d\n",
+ sonypi_misc_device.minor);
+}
+
+static int __devinit sonypi_probe(struct platform_device *dev)
+{
+ const struct sonypi_ioport_list *ioport_list;
+ const struct sonypi_irq_list *irq_list;
+ struct pci_dev *pcidev;
+ int error;

spin_lock_init(&sonypi_device.fifo_lock);
sonypi_device.fifo = kfifo_alloc(SONYPI_BUF_SIZE, GFP_KERNEL,
&sonypi_device.fifo_lock);
if (IS_ERR(sonypi_device.fifo)) {
printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
- ret = PTR_ERR(sonypi_device.fifo);
- goto out_fifo;
+ return PTR_ERR(sonypi_device.fifo);
}

init_waitqueue_head(&sonypi_device.fifo_proc_list);
init_MUTEX(&sonypi_device.lock);
sonypi_device.bluetooth_power = -1;

+ if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_82371AB_3, NULL)))
+ sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE1;
+ else if ((pcidev = pci_get_device(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_ICH6_1, NULL)))
+ sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE3;
+ else
+ sonypi_device.model = SONYPI_DEVICE_MODEL_TYPE2;
+
if (pcidev && pci_enable_device(pcidev)) {
printk(KERN_ERR "sonypi: pci_enable_device failed\n");
- ret = -EIO;
- goto out_pcienable;
- }
-
- if (minor != -1)
- sonypi_misc_device.minor = minor;
- if ((ret = misc_register(&sonypi_misc_device))) {
- printk(KERN_ERR "sonypi: misc_register failed\n");
- goto out_miscreg;
+ error = -EIO;
+ goto err_put_pcidev;
}

+ sonypi_device.dev = pcidev;

if (sonypi_device.model == SONYPI_DEVICE_MODEL_TYPE1) {
ioport_list = sonypi_type1_ioport_list;
@@ -1302,43 +1333,36 @@ static int __devinit sonypi_probe(void)
irq_list = sonypi_type3_irq_list;
}

- for (i = 0; ioport_list[i].port1; i++) {
- if (request_region(ioport_list[i].port1,
- sonypi_device.region_size,
- "Sony Programable I/O Device")) {
- /* get the ioport */
- sonypi_device.ioport1 = ioport_list[i].port1;
- sonypi_device.ioport2 = ioport_list[i].port2;
- break;
- }
- }
- if (!sonypi_device.ioport1) {
- printk(KERN_ERR "sonypi: request_region failed\n");
- ret = -ENODEV;
- goto out_reqreg;
+ error = sonypi_setup_ioports(&sonypi_device, ioport_list);
+ if (error) {
+ printk(KERN_ERR "sonypi: failed to request ioports\n");
+ goto err_disable_pcidev;
}

- for (i = 0; irq_list[i].irq; i++) {
-
- sonypi_device.irq = irq_list[i].irq;
- sonypi_device.bits = irq_list[i].bits;
-
- if (!request_irq(sonypi_device.irq, sonypi_irq,
- SA_SHIRQ, "sonypi", sonypi_irq))
- break;
+ error = sonypi_setup_irq(&sonypi_device, irq_list);
+ if (error) {
+ printk(KERN_ERR "sonypi: request_irq failed\n");
+ goto err_free_ioports;
}

- if (!irq_list[i].irq) {
- printk(KERN_ERR "sonypi: request_irq failed\n");
- ret = -ENODEV;
- goto out_reqirq;
+ if (minor != -1)
+ sonypi_misc_device.minor = minor;
+ error = misc_register(&sonypi_misc_device);
+ if (error) {
+ printk(KERN_ERR "sonypi: misc_register failed\n");
+ goto err_free_irq;
}

+ sonypi_display_info();
+
if (useinput) {

- ret = sonypi_create_input_devices();
- if (ret)
- goto out_inputdevices;
+ error = sonypi_create_input_devices();
+ if (error) {
+ printk(KERN_ERR
+ "sonypi: failed to create input devices\n");
+ goto err_miscdev_unregister;
+ }

spin_lock_init(&sonypi_device.input_fifo_lock);
sonypi_device.input_fifo =
@@ -1346,90 +1370,103 @@ static int __devinit sonypi_probe(void)
&sonypi_device.input_fifo_lock);
if (IS_ERR(sonypi_device.input_fifo)) {
printk(KERN_ERR "sonypi: kfifo_alloc failed\n");
- ret = PTR_ERR(sonypi_device.input_fifo);
- goto out_infifo;
+ error = PTR_ERR(sonypi_device.input_fifo);
+ goto err_inpdev_unregister;
}

INIT_WORK(&sonypi_device.input_work, input_keyrelease, NULL);
}

- sonypi_device.pdev = platform_device_register_simple("sonypi", -1,
- NULL, 0);
- if (IS_ERR(sonypi_device.pdev)) {
- ret = PTR_ERR(sonypi_device.pdev);
- goto out_platformdev;
- }
-
sonypi_enable(0);

- printk(KERN_INFO "sonypi: Sony Programmable I/O Controller Driver"
- "v%s.\n", SONYPI_DRIVER_VERSION);
- printk(KERN_INFO "sonypi: detected type%d model, "
- "verbose = %d, fnkeyinit = %s, camera = %s, "
- "compat = %s, mask = 0x%08lx, useinput = %s, acpi = %s\n",
- sonypi_device.model,
- verbose,
- fnkeyinit ? "on" : "off",
- camera ? "on" : "off",
- compat ? "on" : "off",
- mask,
- useinput ? "on" : "off",
- SONYPI_ACPI_ACTIVE ? "on" : "off");
- printk(KERN_INFO "sonypi: enabled at irq=%d, port1=0x%x, port2=0x%x\n",
- sonypi_device.irq,
- sonypi_device.ioport1, sonypi_device.ioport2);
-
- if (minor == -1)
- printk(KERN_INFO "sonypi: device allocated minor is %d\n",
- sonypi_misc_device.minor);
-
return 0;

-out_platformdev:
- kfifo_free(sonypi_device.input_fifo);
-out_infifo:
+ err_inpdev_unregister:
input_unregister_device(sonypi_device.input_key_dev);
input_unregister_device(sonypi_device.input_jog_dev);
-out_inputdevices:
+ err_miscdev_unregister:
+ misc_deregister(&sonypi_misc_device);
+ err_free_irq:
free_irq(sonypi_device.irq, sonypi_irq);
-out_reqirq:
+ err_free_ioports:
release_region(sonypi_device.ioport1, sonypi_device.region_size);
-out_reqreg:
- misc_deregister(&sonypi_misc_device);
-out_miscreg:
+ err_disable_pcidev:
if (pcidev)
pci_disable_device(pcidev);
-out_pcienable:
+ err_put_pcidev:
+ pci_dev_put(pcidev);
kfifo_free(sonypi_device.fifo);
-out_fifo:
- pci_dev_put(sonypi_device.dev);
- return ret;
+
+ return error;
}

-static void __devexit sonypi_remove(void)
+static int __devexit sonypi_remove(struct platform_device *dev)
{
sonypi_disable();

synchronize_sched(); /* Allow sonypi interrupt to complete. */
flush_scheduled_work();

- platform_device_unregister(sonypi_device.pdev);
-
if (useinput) {
input_unregister_device(sonypi_device.input_key_dev);
input_unregister_device(sonypi_device.input_jog_dev);
kfifo_free(sonypi_device.input_fifo);
}

+ misc_deregister(&sonypi_misc_device);
+
free_irq(sonypi_device.irq, sonypi_irq);
release_region(sonypi_device.ioport1, sonypi_device.region_size);
- misc_deregister(&sonypi_misc_device);
- if (sonypi_device.dev)
+
+ if (sonypi_device.dev) {
pci_disable_device(sonypi_device.dev);
+ pci_dev_put(sonypi_device.dev);
+ }
+
kfifo_free(sonypi_device.fifo);
- pci_dev_put(sonypi_device.dev);
- printk(KERN_INFO "sonypi: removed.\n");
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int old_camera_power;
+
+static int sonypi_suspend(struct platform_device *dev, pm_message_t state)
+{
+ old_camera_power = sonypi_device.camera_power;
+ sonypi_disable();
+
+ return 0;
+}
+
+static int sonypi_resume(struct platform_device *dev)
+{
+ sonypi_enable(old_camera_power);
+ return 0;
}
+#else
+#define sonypi_suspend NULL
+#define sonypi_resume NULL
+#endif
+
+static void sonypi_shutdown(struct platform_device *dev)
+{
+ sonypi_disable();
+}
+
+static struct platform_driver sonypi_driver = {
+ .driver = {
+ .name = "sonypi",
+ .owner = THIS_MODULE,
+ },
+ .probe = sonypi_probe,
+ .remove = __devexit_p(sonypi_remove),
+ .shutdown = sonypi_shutdown,
+ .suspend = sonypi_suspend,
+ .resume = sonypi_resume,
+};
+
+static struct platform_device *sonypi_platform_device;

static struct dmi_system_id __initdata sonypi_dmi_table[] = {
{
@@ -1451,26 +1488,43 @@ static struct dmi_system_id __initdata s

static int __init sonypi_init(void)
{
- int ret;
+ int error;
+
+ printk(KERN_INFO
+ "sonypi: Sony Programmable I/O Controller Driver v%s.\n",
+ SONYPI_DRIVER_VERSION);

if (!dmi_check_system(sonypi_dmi_table))
return -ENODEV;

- ret = platform_driver_register(&sonypi_driver);
- if (ret)
- return ret;
+ error = platform_driver_register(&sonypi_driver);
+ if (error)
+ return error;
+
+ sonypi_platform_device = platform_device_alloc("sonypi", -1);
+ if (!sonypi_platform_device) {
+ error = -ENOMEM;
+ goto err_driver_unregister;
+ }

- ret = sonypi_probe();
- if (ret)
- platform_driver_unregister(&sonypi_driver);
+ error = platform_device_add(sonypi_platform_device);
+ if (error)
+ goto err_free_device;

- return ret;
+ return 0;
+
+ err_free_device:
+ platform_device_put(sonypi_platform_device);
+ err_driver_unregister:
+ platform_driver_unregister(&sonypi_driver);
+ return error;
}

static void __exit sonypi_exit(void)
{
+ platform_device_unregister(sonypi_platform_device);
platform_driver_unregister(&sonypi_driver);
- sonypi_remove();
+ printk(KERN_INFO "sonypi: removed.\n");
}

module_init(sonypi_init);

-
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