diff options
Diffstat (limited to 'sound/pci/asihpi/hpioctl.c')
| -rw-r--r-- | sound/pci/asihpi/hpioctl.c | 147 |
1 files changed, 67 insertions, 80 deletions
diff --git a/sound/pci/asihpi/hpioctl.c b/sound/pci/asihpi/hpioctl.c index cd624f13ff8..7f0272032fb 100644 --- a/sound/pci/asihpi/hpioctl.c +++ b/sound/pci/asihpi/hpioctl.c @@ -1,7 +1,7 @@ /******************************************************************************* AudioScience HPI driver - Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com> + Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as @@ -21,10 +21,12 @@ Common Linux HPI ioctl and module probe/remove functions #define SOURCEFILE_NAME "hpioctl.c" #include "hpi_internal.h" +#include "hpi_version.h" #include "hpimsginit.h" #include "hpidebug.h" #include "hpimsgx.h" #include "hpioctl.h" +#include "hpicmn.h" #include <linux/fs.h> #include <linux/slab.h> @@ -32,6 +34,7 @@ Common Linux HPI ioctl and module probe/remove functions #include <asm/uaccess.h> #include <linux/pci.h> #include <linux/stringify.h> +#include <linux/module.h> #ifdef MODULE_FIRMWARE MODULE_FIRMWARE("asihpi/dsp5000.bin"); @@ -63,9 +66,7 @@ static struct hpi_adapter adapters[HPI_MAX_ADAPTERS]; static void hpi_send_recv_f(struct hpi_message *phm, struct hpi_response *phr, struct file *file) { - int adapter = phm->adapter_index; - - if ((adapter >= HPI_MAX_ADAPTERS || adapter < 0) + if ((phm->adapter_index >= HPI_MAX_ADAPTERS) && (phm->object != HPI_OBJ_SUBSYSTEM)) phr->error = HPI_ERROR_INVALID_OBJ_INDEX; else @@ -106,7 +107,6 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg) union hpi_response_buffer_v1 *hr; u16 res_max_size; u32 uncopied_bytes; - struct hpi_adapter *pa = NULL; int err = 0; if (cmd != HPI_IOCTL_LINUX) @@ -156,43 +156,37 @@ 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; + switch (hm->h.function) { + case HPI_SUBSYS_CREATE_ADAPTER: + case HPI_ADAPTER_DELETE: + /* Application must not use these functions! */ + hr->h.size = sizeof(hr->h); + hr->h.error = HPI_ERROR_INVALID_OPERATION; + hr->h.function = hm->h.function; + uncopied_bytes = copy_to_user(puhr, hr, hr->h.size); + if (uncopied_bytes) + err = -EFAULT; + else + err = 0; goto out; } - pa = &adapters[hm->h.adapter_index]; hr->h.size = res_max_size; if (hm->h.object == HPI_OBJ_SUBSYSTEM) { - switch (hm->h.function) { - case HPI_SUBSYS_CREATE_ADAPTER: - case HPI_SUBSYS_DELETE_ADAPTER: - /* Application must not use these functions! */ - hr->h.size = sizeof(hr->h); - hr->h.error = HPI_ERROR_INVALID_OPERATION; - hr->h.function = hm->h.function; - uncopied_bytes = copy_to_user(puhr, hr, hr->h.size); - if (uncopied_bytes) - err = -EFAULT; - else - err = 0; - goto out; - - default: - hpi_send_recv_f(&hm->m0, &hr->r0, file); - } + hpi_send_recv_f(&hm->m0, &hr->r0, file); } else { u16 __user *ptr = NULL; u32 size = 0; - /* -1=no data 0=read from user mem, 1=write to user mem */ int wrflag = -1; - u32 adapter = hm->h.adapter_index; + struct hpi_adapter *pa = NULL; + + if (hm->h.adapter_index < ARRAY_SIZE(adapters)) + pa = &adapters[hm->h.adapter_index]; - if ((hm->h.adapter_index > HPI_MAX_ADAPTERS) || (!pa->type)) { - hpi_init_response(&hr->r0, HPI_OBJ_ADAPTER, - HPI_ADAPTER_OPEN, - HPI_ERROR_BAD_ADAPTER_NUMBER); + if (!pa || !pa->adapter || !pa->adapter->type) { + hpi_init_response(&hr->r0, hm->h.object, + hm->h.function, HPI_ERROR_BAD_ADAPTER_NUMBER); uncopied_bytes = copy_to_user(puhr, hr, sizeof(hr->h)); @@ -203,7 +197,7 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg) goto out; } - if (mutex_lock_interruptible(&adapters[adapter].mutex)) { + if (mutex_lock_interruptible(&pa->mutex)) { err = -EINTR; goto out; } @@ -239,8 +233,7 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg) "stream buffer size %d\n", size); - mutex_unlock(&adapters - [adapter].mutex); + mutex_unlock(&pa->mutex); err = -EINVAL; goto out; } @@ -281,7 +274,7 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg) uncopied_bytes, size); } - mutex_unlock(&adapters[adapter].mutex); + mutex_unlock(&pa->mutex); } /* on return response size must be set */ @@ -314,10 +307,11 @@ out: return err; } -int __devinit asihpi_adapter_probe(struct pci_dev *pci_dev, - const struct pci_device_id *pci_id) +int asihpi_adapter_probe(struct pci_dev *pci_dev, + const struct pci_device_id *pci_id) { - int err, idx, nm; + int idx, nm; + int adapter_index; unsigned int memlen; struct hpi_message hm; struct hpi_response hr; @@ -332,7 +326,7 @@ int __devinit asihpi_adapter_probe(struct pci_dev *pci_dev, pci_dev->subsystem_device, pci_dev->devfn); if (pci_enable_device(pci_dev) < 0) { - dev_printk(KERN_ERR, &pci_dev->dev, + dev_err(&pci_dev->dev, "pci_enable_device failed, disabling device\n"); return -EIO; } @@ -346,31 +340,24 @@ int __devinit asihpi_adapter_probe(struct pci_dev *pci_dev, hm.adapter_index = HPI_ADAPTER_INDEX_INVALID; - adapter.pci = pci_dev; - nm = HPI_MAX_ADAPTER_MEM_SPACES; for (idx = 0; idx < nm; idx++) { - HPI_DEBUG_LOG(INFO, "resource %d %s %08llx-%08llx %04llx\n", - idx, pci_dev->resource[idx].name, - (unsigned long long)pci_resource_start(pci_dev, idx), - (unsigned long long)pci_resource_end(pci_dev, idx), - (unsigned long long)pci_resource_flags(pci_dev, idx)); + HPI_DEBUG_LOG(INFO, "resource %d %pR\n", idx, + &pci_dev->resource[idx]); if (pci_resource_flags(pci_dev, idx) & IORESOURCE_MEM) { memlen = pci_resource_len(pci_dev, idx); - adapter.ap_remapped_mem_base[idx] = + pci.ap_mem_base[idx] = ioremap(pci_resource_start(pci_dev, idx), memlen); - if (!adapter.ap_remapped_mem_base[idx]) { + if (!pci.ap_mem_base[idx]) { HPI_DEBUG_LOG(ERROR, "ioremap failed, aborting\n"); /* unmap previously mapped pci mem space */ goto err; } } - - pci.ap_mem_base[idx] = adapter.ap_remapped_mem_base[idx]; } pci.pci_dev = pci_dev; @@ -382,6 +369,9 @@ int __devinit asihpi_adapter_probe(struct pci_dev *pci_dev, if (hr.error) goto err; + adapter_index = hr.u.s.adapter_index; + adapter.adapter = hpi_find_adapter(adapter_index); + if (prealloc_stream_buf) { adapter.p_buffer = vmalloc(prealloc_stream_buf); if (!adapter.p_buffer) { @@ -393,33 +383,31 @@ int __devinit asihpi_adapter_probe(struct pci_dev *pci_dev, } } - adapter.index = hr.u.s.adapter_index; - adapter.type = hr.u.s.adapter_type; - hm.adapter_index = adapter.index; + hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, + HPI_ADAPTER_OPEN); + hm.adapter_index = adapter.adapter->index; + hpi_send_recv_ex(&hm, &hr, HOWNER_KERNEL); - err = hpi_adapter_open(adapter.index); - if (err) + if (hr.error) goto err; - adapter.snd_card_asihpi = NULL; /* WARNING can't init mutex in 'adapter' * and then copy it to adapters[] ?!?! */ - adapters[hr.u.s.adapter_index] = adapter; - mutex_init(&adapters[adapter.index].mutex); - pci_set_drvdata(pci_dev, &adapters[adapter.index]); + adapters[adapter_index] = adapter; + mutex_init(&adapters[adapter_index].mutex); + pci_set_drvdata(pci_dev, &adapters[adapter_index]); - dev_printk(KERN_INFO, &pci_dev->dev, - "probe succeeded for ASI%04X HPI index %d\n", adapter.type, - adapter.index); + dev_info(&pci_dev->dev, "probe succeeded for ASI%04X HPI index %d\n", + adapter.adapter->type, adapter_index); return 0; err: for (idx = 0; idx < HPI_MAX_ADAPTER_MEM_SPACES; idx++) { - if (adapter.ap_remapped_mem_base[idx]) { - iounmap(adapter.ap_remapped_mem_base[idx]); - adapter.ap_remapped_mem_base[idx] = NULL; + if (pci.ap_mem_base[idx]) { + iounmap(pci.ap_mem_base[idx]); + pci.ap_mem_base[idx] = NULL; } } @@ -432,38 +420,37 @@ err: return -ENODEV; } -void __devexit asihpi_adapter_remove(struct pci_dev *pci_dev) +void asihpi_adapter_remove(struct pci_dev *pci_dev) { int idx; struct hpi_message hm; struct hpi_response hr; struct hpi_adapter *pa; + struct hpi_pci pci; + pa = pci_get_drvdata(pci_dev); + pci = pa->adapter->pci; - hpi_init_message_response(&hm, &hr, HPI_OBJ_SUBSYSTEM, - HPI_SUBSYS_DELETE_ADAPTER); - hm.obj_index = pa->index; - hm.adapter_index = HPI_ADAPTER_INDEX_INVALID; + hpi_init_message_response(&hm, &hr, HPI_OBJ_ADAPTER, + HPI_ADAPTER_DELETE); + hm.adapter_index = pa->adapter->index; hpi_send_recv_ex(&hm, &hr, HOWNER_KERNEL); /* unmap PCI memory space, mapped during device init. */ for (idx = 0; idx < HPI_MAX_ADAPTER_MEM_SPACES; idx++) { - if (pa->ap_remapped_mem_base[idx]) { - iounmap(pa->ap_remapped_mem_base[idx]); - pa->ap_remapped_mem_base[idx] = NULL; - } + if (pci.ap_mem_base[idx]) + iounmap(pci.ap_mem_base[idx]); } if (pa->p_buffer) vfree(pa->p_buffer); - pci_set_drvdata(pci_dev, NULL); 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); + dev_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->adapter->index); memset(pa, 0, sizeof(*pa)); } |
