Make the driver aware of this case and manage the existence of a second separate IO port. Fixes http://bugzilla.kernel.org/show_bug.cgi?id=8803 Signed-off-by: Mattia Dongili <malattia@xxxxxxxx> --- drivers/misc/sony-laptop.c | 204 ++++++++++++++++++++++++++++++++------------ 1 files changed, 148 insertions(+), 56 deletions(-) diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c index 1fd84a5..8f7c9ee 100644 --- a/drivers/misc/sony-laptop.c +++ b/drivers/misc/sony-laptop.c @@ -1156,7 +1156,8 @@ static struct acpi_driver sony_nc_driver = { #define SONYPI_TYPE3_OFFSET 0x12 struct sony_pic_ioport { - struct acpi_resource_io io; + struct acpi_resource_io io1; + struct acpi_resource_io io2; struct list_head list; }; @@ -1426,11 +1427,11 @@ static u8 sony_pic_call1(u8 dev) { u8 v1, v2; - wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, + wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); - outb(dev, spic_dev.cur_ioport->io.minimum + 4); - v1 = inb_p(spic_dev.cur_ioport->io.minimum + 4); - v2 = inb_p(spic_dev.cur_ioport->io.minimum); + outb(dev, spic_dev.cur_ioport->io1.minimum + 4); + v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); + v2 = inb_p(spic_dev.cur_ioport->io1.minimum); dprintk("sony_pic_call1: 0x%.4x\n", (v2 << 8) | v1); return v2; } @@ -1439,13 +1440,13 @@ static u8 sony_pic_call2(u8 dev, u8 fn) { u8 v1; - wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, + wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); - outb(dev, spic_dev.cur_ioport->io.minimum + 4); - wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, + outb(dev, spic_dev.cur_ioport->io1.minimum + 4); + wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); - outb(fn, spic_dev.cur_ioport->io.minimum); - v1 = inb_p(spic_dev.cur_ioport->io.minimum); + outb(fn, spic_dev.cur_ioport->io1.minimum); + v1 = inb_p(spic_dev.cur_ioport->io1.minimum); dprintk("sony_pic_call2: 0x%.4x\n", v1); return v1; } @@ -1454,13 +1455,13 @@ static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) { u8 v1; - wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG); - outb(dev, spic_dev.cur_ioport->io.minimum + 4); - wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG); - outb(fn, spic_dev.cur_ioport->io.minimum); - wait_on_command(inb_p(spic_dev.cur_ioport->io.minimum + 4) & 2, ITERATIONS_LONG); - outb(v, spic_dev.cur_ioport->io.minimum); - v1 = inb_p(spic_dev.cur_ioport->io.minimum); + wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); + outb(dev, spic_dev.cur_ioport->io1.minimum + 4); + wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); + outb(fn, spic_dev.cur_ioport->io1.minimum); + wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); + outb(v, spic_dev.cur_ioport->io1.minimum); + v1 = inb_p(spic_dev.cur_ioport->io1.minimum); dprintk("sony_pic_call3: 0x%.4x\n", v1); return v1; } @@ -2057,7 +2058,18 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) switch (resource->type) { case ACPI_RESOURCE_TYPE_START_DEPENDENT: + { + /* start IO enumeration */ + struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); + if (!ioport) + return AE_ERROR; + + list_add(&ioport->list, &dev->ioports); + return AE_OK; + } + case ACPI_RESOURCE_TYPE_END_DEPENDENT: + /* end IO enumeration */ return AE_OK; case ACPI_RESOURCE_TYPE_IRQ: @@ -2084,7 +2096,7 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) if (!interrupt) return AE_ERROR; - list_add_tail(&interrupt->list, &dev->interrupts); + list_add(&interrupt->list, &dev->interrupts); interrupt->irq.triggering = p->triggering; interrupt->irq.polarity = p->polarity; interrupt->irq.sharable = p->sharable; @@ -2096,18 +2108,27 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) case ACPI_RESOURCE_TYPE_IO: { struct acpi_resource_io *io = &resource->data.io; - struct sony_pic_ioport *ioport = NULL; + struct sony_pic_ioport *ioport = + list_first_entry(&dev->ioports, struct sony_pic_ioport, list); if (!io) { dprintk("Blank IO resource\n"); return AE_OK; } - ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); - if (!ioport) + if (!ioport->io1.minimum) { + memcpy(&ioport->io1, io, sizeof(*io)); + dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, + ioport->io1.address_length); + } + else if (!ioport->io2.minimum) { + memcpy(&ioport->io2, io, sizeof(*io)); + dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, + ioport->io2.address_length); + } + else { + printk(KERN_ERR DRV_PFX "Unknown SPIC Type, more than 2 IO Ports\n"); return AE_ERROR; - - list_add_tail(&ioport->list, &dev->ioports); - memcpy(&ioport->io, io, sizeof(*io)); + } return AE_OK; } default: @@ -2182,10 +2203,22 @@ static int sony_pic_enable(struct acpi_device *device, { acpi_status status; int result = 0; + /* Type 1 resource layout is: + * IO + * IO + * IRQNoFlags + * End + * + * Type 2 and 3 resource layout is: + * IO + * IRQNoFlags + * End + */ struct { - struct acpi_resource io_res; - struct acpi_resource irq_res; - struct acpi_resource end; + struct acpi_resource res1; + struct acpi_resource res2; + struct acpi_resource res3; + struct acpi_resource res4; } *resource; struct acpi_buffer buffer = { 0, NULL }; @@ -2200,21 +2233,49 @@ static int sony_pic_enable(struct acpi_device *device, buffer.length = sizeof(*resource) + 1; buffer.pointer = resource; - /* setup io resource */ - resource->io_res.type = ACPI_RESOURCE_TYPE_IO; - resource->io_res.length = sizeof(struct acpi_resource); - memcpy(&resource->io_res.data.io, &ioport->io, - sizeof(struct acpi_resource_io)); + /* setup Type 1 resources */ + if (spic_dev.model == SONYPI_DEVICE_TYPE1) { - /* setup irq resource */ - resource->irq_res.type = ACPI_RESOURCE_TYPE_IRQ; - resource->irq_res.length = sizeof(struct acpi_resource); - memcpy(&resource->irq_res.data.irq, &irq->irq, - sizeof(struct acpi_resource_irq)); - /* we requested a shared irq */ - resource->irq_res.data.irq.sharable = ACPI_SHARED; + /* setup io resources */ + resource->res1.type = ACPI_RESOURCE_TYPE_IO; + resource->res1.length = sizeof(struct acpi_resource); + memcpy(&resource->res1.data.io, &ioport->io1, + sizeof(struct acpi_resource_io)); - resource->end.type = ACPI_RESOURCE_TYPE_END_TAG; + resource->res2.type = ACPI_RESOURCE_TYPE_IO; + resource->res2.length = sizeof(struct acpi_resource); + memcpy(&resource->res2.data.io, &ioport->io2, + sizeof(struct acpi_resource_io)); + + /* setup irq resource */ + resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; + resource->res3.length = sizeof(struct acpi_resource); + memcpy(&resource->res3.data.irq, &irq->irq, + sizeof(struct acpi_resource_irq)); + /* we requested a shared irq */ + resource->res3.data.irq.sharable = ACPI_SHARED; + + resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; + + } + /* setup Type 2/3 resources */ + else { + /* setup io resource */ + resource->res1.type = ACPI_RESOURCE_TYPE_IO; + resource->res1.length = sizeof(struct acpi_resource); + memcpy(&resource->res1.data.io, &ioport->io1, + sizeof(struct acpi_resource_io)); + + /* setup irq resource */ + resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; + resource->res2.length = sizeof(struct acpi_resource); + memcpy(&resource->res2.data.irq, &irq->irq, + sizeof(struct acpi_resource_irq)); + /* we requested a shared irq */ + resource->res2.data.irq.sharable = ACPI_SHARED; + + resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; + } /* Attempt to set the resource */ dprintk("Evaluating _SRS\n"); @@ -2222,7 +2283,7 @@ static int sony_pic_enable(struct acpi_device *device, /* check for total failure */ if (ACPI_FAILURE(status)) { - printk(KERN_ERR DRV_PFX "Error evaluating _SRS"); + printk(KERN_ERR DRV_PFX "Error evaluating _SRS\n"); result = -ENODEV; goto end; } @@ -2251,11 +2312,14 @@ static irqreturn_t sony_pic_irq(int irq, void *dev_id) struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; - ev = inb_p(dev->cur_ioport->io.minimum); - data_mask = inb_p(dev->cur_ioport->io.minimum + dev->evport_offset); + ev = inb_p(dev->cur_ioport->io1.minimum); + if (dev->cur_ioport->io2.minimum) + data_mask = inb_p(dev->cur_ioport->io2.minimum); + else + data_mask = inb_p(dev->cur_ioport->io1.minimum + dev->evport_offset); dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", - ev, data_mask, dev->cur_ioport->io.minimum, dev->evport_offset); + ev, data_mask, dev->cur_ioport->io1.minimum, dev->evport_offset); if (ev == 0x00 || ev == 0xff) return IRQ_HANDLED; @@ -2308,8 +2372,11 @@ static int sony_pic_remove(struct acpi_device *device, int type) } free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); - release_region(spic_dev.cur_ioport->io.minimum, - spic_dev.cur_ioport->io.address_length); + release_region(spic_dev.cur_ioport->io1.minimum, + spic_dev.cur_ioport->io1.address_length); + if (spic_dev.cur_ioport->io2.minimum) + release_region(spic_dev.cur_ioport->io2.minimum, + spic_dev.cur_ioport->io2.address_length); sony_laptop_remove_input(); @@ -2377,14 +2444,36 @@ static int sony_pic_add(struct acpi_device *device) } /* request io port */ - list_for_each_entry(io, &spic_dev.ioports, list) { - if (request_region(io->io.minimum, io->io.address_length, + list_for_each_entry_reverse(io, &spic_dev.ioports, list) { + if (request_region(io->io1.minimum, io->io1.address_length, "Sony Programable I/O Device")) { - dprintk("I/O port: 0x%.4x (0x%.4x) + 0x%.2x\n", - io->io.minimum, io->io.maximum, - io->io.address_length); - spic_dev.cur_ioport = io; - break; + dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", + io->io1.minimum, io->io1.maximum, + io->io1.address_length); + /* Type 1 have 2 ioports */ + if (io->io2.minimum) { + if (request_region(io->io2.minimum, + io->io2.address_length, + "Sony Programable I/O Device")) { + dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", + io->io2.minimum, io->io2.maximum, + io->io2.address_length); + spic_dev.cur_ioport = io; + break; + } + else { + dprintk("Unable to get I/O port2: " + "0x%.4x (0x%.4x) + 0x%.2x\n", + io->io2.minimum, io->io2.maximum, + io->io2.address_length); + release_region(io->io1.minimum, + io->io1.address_length); + } + } + else { + spic_dev.cur_ioport = io; + break; + } } } if (!spic_dev.cur_ioport) { @@ -2394,7 +2483,7 @@ static int sony_pic_add(struct acpi_device *device) } /* request IRQ */ - list_for_each_entry(irq, &spic_dev.interrupts, list) { + list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, IRQF_SHARED, "sony-laptop", &spic_dev)) { dprintk("IRQ: %d - triggering: %d - " @@ -2445,8 +2534,11 @@ err_free_irq: free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); err_release_region: - release_region(spic_dev.cur_ioport->io.minimum, - spic_dev.cur_ioport->io.address_length); + release_region(spic_dev.cur_ioport->io1.minimum, + spic_dev.cur_ioport->io1.address_length); + if (spic_dev.cur_ioport->io2.minimum) + release_region(spic_dev.cur_ioport->io2.minimum, + spic_dev.cur_ioport->io2.address_length); err_remove_input: sony_laptop_remove_input(); -- 1.5.2.4 - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
