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path: root/sound/pci/asihpi/hpioctl.c
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Diffstat (limited to 'sound/pci/asihpi/hpioctl.c')
-rw-r--r--sound/pci/asihpi/hpioctl.c90
1 files changed, 46 insertions, 44 deletions
diff --git a/sound/pci/asihpi/hpioctl.c b/sound/pci/asihpi/hpioctl.c
index 22dbd91811a4..cd624f13ff8e 100644
--- a/sound/pci/asihpi/hpioctl.c
+++ b/sound/pci/asihpi/hpioctl.c
@@ -30,6 +30,7 @@ Common Linux HPI ioctl and module probe/remove functions
#include <linux/slab.h>
#include <linux/moduleparam.h>
#include <asm/uaccess.h>
+#include <linux/pci.h>
#include <linux/stringify.h>
#ifdef MODULE_FIRMWARE
@@ -45,7 +46,7 @@ MODULE_FIRMWARE("asihpi/dsp8900.bin");
static int prealloc_stream_buf;
module_param(prealloc_stream_buf, int, S_IRUGO);
MODULE_PARM_DESC(prealloc_stream_buf,
- "preallocate size for per-adapter stream buffer");
+ "Preallocate size for per-adapter stream buffer");
/* Allow the debug level to be changed after module load.
E.g. echo 2 > /sys/module/asihpi/parameters/hpiDebugLevel
@@ -121,8 +122,8 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
phpi_ioctl_data = (struct hpi_ioctl_linux __user *)arg;
/* Read the message and response pointers from user space. */
- if (get_user(puhm, &phpi_ioctl_data->phm) ||
- get_user(puhr, &phpi_ioctl_data->phr)) {
+ if (get_user(puhm, &phpi_ioctl_data->phm)
+ || get_user(puhr, &phpi_ioctl_data->phr)) {
err = -EFAULT;
goto out;
}
@@ -135,7 +136,7 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if (hm->h.size > sizeof(*hm))
hm->h.size = sizeof(*hm);
- /*printk(KERN_INFO "message size %d\n", hm->h.wSize); */
+ /* printk(KERN_INFO "message size %d\n", hm->h.wSize); */
uncopied_bytes = copy_from_user(hm, puhm, hm->h.size);
if (uncopied_bytes) {
@@ -155,8 +156,13 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
goto out;
}
+ if (hm->h.adapter_index >= HPI_MAX_ADAPTERS) {
+ err = -EINVAL;
+ goto out;
+ }
+
pa = &adapters[hm->h.adapter_index];
- hr->h.size = 0;
+ hr->h.size = res_max_size;
if (hm->h.object == HPI_OBJ_SUBSYSTEM) {
switch (hm->h.function) {
case HPI_SUBSYS_CREATE_ADAPTER:
@@ -216,7 +222,7 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
*/
if (pa->buffer_size < size) {
HPI_DEBUG_LOG(DEBUG,
- "realloc adapter %d stream "
+ "Realloc adapter %d stream "
"buffer from %zd to %d\n",
hm->h.adapter_index,
pa->buffer_size, size);
@@ -259,7 +265,7 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
copy_from_user(pa->p_buffer, ptr, size);
if (uncopied_bytes)
HPI_DEBUG_LOG(WARNING,
- "missed %d of %d "
+ "Missed %d of %d "
"bytes from user\n", uncopied_bytes,
size);
}
@@ -271,7 +277,7 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
copy_to_user(ptr, pa->p_buffer, size);
if (uncopied_bytes)
HPI_DEBUG_LOG(WARNING,
- "missed %d of %d " "bytes to user\n",
+ "Missed %d of %d " "bytes to user\n",
uncopied_bytes, size);
}
@@ -290,9 +296,9 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if (hr->h.size > res_max_size) {
HPI_DEBUG_LOG(ERROR, "response too big %d %d\n", hr->h.size,
res_max_size);
- /*HPI_DEBUG_MESSAGE(ERROR, hm); */
- err = -EFAULT;
- goto out;
+ hr->h.error = HPI_ERROR_RESPONSE_BUFFER_TOO_SMALL;
+ hr->h.specific_error = hr->h.size;
+ hr->h.size = sizeof(hr->h);
}
uncopied_bytes = copy_to_user(puhr, hr, hr->h.size);
@@ -320,18 +326,26 @@ int __devinit asihpi_adapter_probe(struct pci_dev *pci_dev,
memset(&adapter, 0, sizeof(adapter));
- printk(KERN_DEBUG "probe PCI device (%04x:%04x,%04x:%04x,%04x)\n",
- pci_dev->vendor, pci_dev->device, pci_dev->subsystem_vendor,
+ dev_printk(KERN_DEBUG, &pci_dev->dev,
+ "probe %04x:%04x,%04x:%04x,%04x\n", pci_dev->vendor,
+ pci_dev->device, pci_dev->subsystem_vendor,
pci_dev->subsystem_device, pci_dev->devfn);
+ if (pci_enable_device(pci_dev) < 0) {
+ dev_printk(KERN_ERR, &pci_dev->dev,
+ "pci_enable_device failed, disabling device\n");
+ return -EIO;
+ }
+
+ pci_set_master(pci_dev); /* also sets latency timer if < 16 */
+
hpi_init_message_response(&hm, &hr, HPI_OBJ_SUBSYSTEM,
HPI_SUBSYS_CREATE_ADAPTER);
hpi_init_response(&hr, HPI_OBJ_SUBSYSTEM, HPI_SUBSYS_CREATE_ADAPTER,
HPI_ERROR_PROCESSING_MESSAGE);
- hm.adapter_index = -1; /* an invalid index */
+ hm.adapter_index = HPI_ADAPTER_INDEX_INVALID;
- /* fill in HPI_PCI information from kernel provided information */
adapter.pci = pci_dev;
nm = HPI_MAX_ADAPTER_MEM_SPACES;
@@ -359,19 +373,7 @@ int __devinit asihpi_adapter_probe(struct pci_dev *pci_dev,
pci.ap_mem_base[idx] = adapter.ap_remapped_mem_base[idx];
}
- /* could replace Pci with direct pointer to pci_dev for linux
- Instead wrap accessor functions for IDs etc.
- Would it work for windows?
- */
- pci.bus_number = pci_dev->bus->number;
- pci.vendor_id = (u16)pci_dev->vendor;
- pci.device_id = (u16)pci_dev->device;
- pci.subsys_vendor_id = (u16)(pci_dev->subsystem_vendor & 0xffff);
- pci.subsys_device_id = (u16)(pci_dev->subsystem_device & 0xffff);
- pci.device_number = pci_dev->devfn;
- pci.interrupt = pci_dev->irq;
- pci.p_os_data = pci_dev;
-
+ pci.pci_dev = pci_dev;
hm.u.s.resource.bus_type = HPI_BUS_PCI;
hm.u.s.resource.r.pci = &pci;
@@ -392,10 +394,10 @@ int __devinit asihpi_adapter_probe(struct pci_dev *pci_dev,
}
adapter.index = hr.u.s.adapter_index;
- adapter.type = hr.u.s.aw_adapter_list[adapter.index];
+ adapter.type = hr.u.s.adapter_type;
hm.adapter_index = adapter.index;
- err = hpi_adapter_open(NULL, adapter.index);
+ err = hpi_adapter_open(adapter.index);
if (err)
goto err;
@@ -407,8 +409,9 @@ int __devinit asihpi_adapter_probe(struct pci_dev *pci_dev,
mutex_init(&adapters[adapter.index].mutex);
pci_set_drvdata(pci_dev, &adapters[adapter.index]);
- printk(KERN_INFO "probe found adapter ASI%04X HPI index #%d.\n",
- adapter.type, adapter.index);
+ dev_printk(KERN_INFO, &pci_dev->dev,
+ "probe succeeded for ASI%04X HPI index %d\n", adapter.type,
+ adapter.index);
return 0;
@@ -439,7 +442,8 @@ void __devexit asihpi_adapter_remove(struct pci_dev *pci_dev)
hpi_init_message_response(&hm, &hr, HPI_OBJ_SUBSYSTEM,
HPI_SUBSYS_DELETE_ADAPTER);
- hm.adapter_index = pa->index;
+ hm.obj_index = pa->index;
+ hm.adapter_index = HPI_ADAPTER_INDEX_INVALID;
hpi_send_recv_ex(&hm, &hr, HOWNER_KERNEL);
/* unmap PCI memory space, mapped during device init. */
@@ -450,20 +454,18 @@ void __devexit asihpi_adapter_remove(struct pci_dev *pci_dev)
}
}
- if (pa->p_buffer) {
- pa->buffer_size = 0;
+ if (pa->p_buffer)
vfree(pa->p_buffer);
- }
pci_set_drvdata(pci_dev, NULL);
- /*
- printk(KERN_INFO "PCI device (%04x:%04x,%04x:%04x,%04x),"
- " HPI index # %d, removed.\n",
- pci_dev->vendor, pci_dev->device,
- pci_dev->subsystem_vendor,
- pci_dev->subsystem_device, pci_dev->devfn,
- pa->index);
- */
+ if (1)
+ dev_printk(KERN_INFO, &pci_dev->dev,
+ "remove %04x:%04x,%04x:%04x,%04x," " HPI index %d.\n",
+ pci_dev->vendor, pci_dev->device,
+ pci_dev->subsystem_vendor, pci_dev->subsystem_device,
+ pci_dev->devfn, pa->index);
+
+ memset(pa, 0, sizeof(*pa));
}
void __init asihpi_init(void)
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-08 22:53:33 +0300