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Diffstat (limited to 'ANDROID_3.4.5/sound/pci/asihpi/hpioctl.c')
-rw-r--r--ANDROID_3.4.5/sound/pci/asihpi/hpioctl.c482
1 files changed, 0 insertions, 482 deletions
diff --git a/ANDROID_3.4.5/sound/pci/asihpi/hpioctl.c b/ANDROID_3.4.5/sound/pci/asihpi/hpioctl.c
deleted file mode 100644
index 60915620..00000000
--- a/ANDROID_3.4.5/sound/pci/asihpi/hpioctl.c
+++ /dev/null
@@ -1,482 +0,0 @@
-/*******************************************************************************
-
- AudioScience HPI driver
- 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
- published by the Free Software Foundation;
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
-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>
-#include <linux/moduleparam.h>
-#include <asm/uaccess.h>
-#include <linux/pci.h>
-#include <linux/stringify.h>
-#include <linux/module.h>
-
-#ifdef MODULE_FIRMWARE
-MODULE_FIRMWARE("asihpi/dsp5000.bin");
-MODULE_FIRMWARE("asihpi/dsp6200.bin");
-MODULE_FIRMWARE("asihpi/dsp6205.bin");
-MODULE_FIRMWARE("asihpi/dsp6400.bin");
-MODULE_FIRMWARE("asihpi/dsp6600.bin");
-MODULE_FIRMWARE("asihpi/dsp8700.bin");
-MODULE_FIRMWARE("asihpi/dsp8900.bin");
-#endif
-
-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");
-
-/* Allow the debug level to be changed after module load.
- E.g. echo 2 > /sys/module/asihpi/parameters/hpiDebugLevel
-*/
-module_param(hpi_debug_level, int, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(hpi_debug_level, "debug verbosity 0..5");
-
-/* List of adapters found */
-static struct hpi_adapter adapters[HPI_MAX_ADAPTERS];
-
-/* Wrapper function to HPI_Message to enable dumping of the
- message and response types.
-*/
-static void hpi_send_recv_f(struct hpi_message *phm, struct hpi_response *phr,
- struct file *file)
-{
- if ((phm->adapter_index >= HPI_MAX_ADAPTERS)
- && (phm->object != HPI_OBJ_SUBSYSTEM))
- phr->error = HPI_ERROR_INVALID_OBJ_INDEX;
- else
- hpi_send_recv_ex(phm, phr, file);
-}
-
-/* This is called from hpifunc.c functions, called by ALSA
- * (or other kernel process) In this case there is no file descriptor
- * available for the message cache code
- */
-void hpi_send_recv(struct hpi_message *phm, struct hpi_response *phr)
-{
- hpi_send_recv_f(phm, phr, HOWNER_KERNEL);
-}
-
-EXPORT_SYMBOL(hpi_send_recv);
-/* for radio-asihpi */
-
-int asihpi_hpi_release(struct file *file)
-{
- struct hpi_message hm;
- struct hpi_response hr;
-
-/* HPI_DEBUG_LOG(INFO,"hpi_release file %p, pid %d\n", file, current->pid); */
- /* close the subsystem just in case the application forgot to. */
- hpi_init_message_response(&hm, &hr, HPI_OBJ_SUBSYSTEM,
- HPI_SUBSYS_CLOSE);
- hpi_send_recv_ex(&hm, &hr, file);
- return 0;
-}
-
-long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
- struct hpi_ioctl_linux __user *phpi_ioctl_data;
- void __user *puhm;
- void __user *puhr;
- union hpi_message_buffer_v1 *hm;
- union hpi_response_buffer_v1 *hr;
- u16 res_max_size;
- u32 uncopied_bytes;
- int err = 0;
-
- if (cmd != HPI_IOCTL_LINUX)
- return -EINVAL;
-
- hm = kmalloc(sizeof(*hm), GFP_KERNEL);
- hr = kmalloc(sizeof(*hr), GFP_KERNEL);
- if (!hm || !hr) {
- err = -ENOMEM;
- goto out;
- }
-
- 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)) {
- err = -EFAULT;
- goto out;
- }
-
- /* Now read the message size and data from user space. */
- if (get_user(hm->h.size, (u16 __user *)puhm)) {
- err = -EFAULT;
- goto out;
- }
- if (hm->h.size > sizeof(*hm))
- hm->h.size = sizeof(*hm);
-
- /* printk(KERN_INFO "message size %d\n", hm->h.wSize); */
-
- uncopied_bytes = copy_from_user(hm, puhm, hm->h.size);
- if (uncopied_bytes) {
- HPI_DEBUG_LOG(ERROR, "uncopied bytes %d\n", uncopied_bytes);
- err = -EFAULT;
- goto out;
- }
-
- if (get_user(res_max_size, (u16 __user *)puhr)) {
- err = -EFAULT;
- goto out;
- }
- /* printk(KERN_INFO "user response size %d\n", res_max_size); */
- if (res_max_size < sizeof(struct hpi_response_header)) {
- HPI_DEBUG_LOG(WARNING, "small res size %d\n", res_max_size);
- err = -EFAULT;
- goto out;
- }
-
- 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;
- }
-
- hr->h.size = res_max_size;
- if (hm->h.object == HPI_OBJ_SUBSYSTEM) {
- 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;
- struct hpi_adapter *pa = NULL;
-
- if (hm->h.adapter_index < ARRAY_SIZE(adapters))
- pa = &adapters[hm->h.adapter_index];
-
- 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));
- if (uncopied_bytes)
- err = -EFAULT;
- else
- err = 0;
- goto out;
- }
-
- if (mutex_lock_interruptible(&pa->mutex)) {
- err = -EINTR;
- goto out;
- }
-
- /* Dig out any pointers embedded in the message. */
- switch (hm->h.function) {
- case HPI_OSTREAM_WRITE:
- case HPI_ISTREAM_READ:{
- /* Yes, sparse, this is correct. */
- ptr = (u16 __user *)hm->m0.u.d.u.data.pb_data;
- size = hm->m0.u.d.u.data.data_size;
-
- /* Allocate buffer according to application request.
- ?Is it better to alloc/free for the duration
- of the transaction?
- */
- if (pa->buffer_size < size) {
- HPI_DEBUG_LOG(DEBUG,
- "Realloc adapter %d stream "
- "buffer from %zd to %d\n",
- hm->h.adapter_index,
- pa->buffer_size, size);
- if (pa->p_buffer) {
- pa->buffer_size = 0;
- vfree(pa->p_buffer);
- }
- pa->p_buffer = vmalloc(size);
- if (pa->p_buffer)
- pa->buffer_size = size;
- else {
- HPI_DEBUG_LOG(ERROR,
- "HPI could not allocate "
- "stream buffer size %d\n",
- size);
-
- mutex_unlock(&pa->mutex);
- err = -EINVAL;
- goto out;
- }
- }
-
- hm->m0.u.d.u.data.pb_data = pa->p_buffer;
- if (hm->h.function == HPI_ISTREAM_READ)
- /* from card, WRITE to user mem */
- wrflag = 1;
- else
- wrflag = 0;
- break;
- }
-
- default:
- size = 0;
- break;
- }
-
- if (size && (wrflag == 0)) {
- uncopied_bytes =
- copy_from_user(pa->p_buffer, ptr, size);
- if (uncopied_bytes)
- HPI_DEBUG_LOG(WARNING,
- "Missed %d of %d "
- "bytes from user\n", uncopied_bytes,
- size);
- }
-
- hpi_send_recv_f(&hm->m0, &hr->r0, file);
-
- if (size && (wrflag == 1)) {
- uncopied_bytes =
- copy_to_user(ptr, pa->p_buffer, size);
- if (uncopied_bytes)
- HPI_DEBUG_LOG(WARNING,
- "Missed %d of %d " "bytes to user\n",
- uncopied_bytes, size);
- }
-
- mutex_unlock(&pa->mutex);
- }
-
- /* on return response size must be set */
- /*printk(KERN_INFO "response size %d\n", hr->h.wSize); */
-
- if (!hr->h.size) {
- HPI_DEBUG_LOG(ERROR, "response zero size\n");
- err = -EFAULT;
- goto out;
- }
-
- if (hr->h.size > res_max_size) {
- HPI_DEBUG_LOG(ERROR, "response too big %d %d\n", hr->h.size,
- res_max_size);
- 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);
- if (uncopied_bytes) {
- HPI_DEBUG_LOG(ERROR, "uncopied bytes %d\n", uncopied_bytes);
- err = -EFAULT;
- goto out;
- }
-
-out:
- kfree(hm);
- kfree(hr);
- return err;
-}
-
-int __devinit asihpi_adapter_probe(struct pci_dev *pci_dev,
- const struct pci_device_id *pci_id)
-{
- int idx, nm;
- int adapter_index;
- unsigned int memlen;
- struct hpi_message hm;
- struct hpi_response hr;
- struct hpi_adapter adapter;
- struct hpi_pci pci;
-
- memset(&adapter, 0, sizeof(adapter));
-
- 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 = HPI_ADAPTER_INDEX_INVALID;
-
- nm = HPI_MAX_ADAPTER_MEM_SPACES;
-
- for (idx = 0; idx < nm; 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);
- pci.ap_mem_base[idx] =
- ioremap(pci_resource_start(pci_dev, idx),
- memlen);
- if (!pci.ap_mem_base[idx]) {
- HPI_DEBUG_LOG(ERROR,
- "ioremap failed, aborting\n");
- /* unmap previously mapped pci mem space */
- goto err;
- }
- }
- }
-
- pci.pci_dev = pci_dev;
- hm.u.s.resource.bus_type = HPI_BUS_PCI;
- hm.u.s.resource.r.pci = &pci;
-
- /* call CreateAdapterObject on the relevant hpi module */
- hpi_send_recv_ex(&hm, &hr, HOWNER_KERNEL);
- 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) {
- HPI_DEBUG_LOG(ERROR,
- "HPI could not allocate "
- "kernel buffer size %d\n",
- prealloc_stream_buf);
- goto err;
- }
- }
-
- 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);
-
- if (hr.error)
- goto err;
-
- /* WARNING can't init mutex in 'adapter'
- * and then copy it to adapters[] ?!?!
- */
- 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.adapter->type, adapter_index);
-
- return 0;
-
-err:
- for (idx = 0; idx < HPI_MAX_ADAPTER_MEM_SPACES; idx++) {
- if (pci.ap_mem_base[idx]) {
- iounmap(pci.ap_mem_base[idx]);
- pci.ap_mem_base[idx] = NULL;
- }
- }
-
- if (adapter.p_buffer) {
- adapter.buffer_size = 0;
- vfree(adapter.p_buffer);
- }
-
- HPI_DEBUG_LOG(ERROR, "adapter_probe failed\n");
- return -ENODEV;
-}
-
-void __devexit 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_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 (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->adapter->index);
-
- memset(pa, 0, sizeof(*pa));
-}
-
-void __init asihpi_init(void)
-{
- struct hpi_message hm;
- struct hpi_response hr;
-
- memset(adapters, 0, sizeof(adapters));
-
- printk(KERN_INFO "ASIHPI driver " HPI_VER_STRING "\n");
-
- hpi_init_message_response(&hm, &hr, HPI_OBJ_SUBSYSTEM,
- HPI_SUBSYS_DRIVER_LOAD);
- hpi_send_recv_ex(&hm, &hr, HOWNER_KERNEL);
-}
-
-void asihpi_exit(void)
-{
- struct hpi_message hm;
- struct hpi_response hr;
-
- hpi_init_message_response(&hm, &hr, HPI_OBJ_SUBSYSTEM,
- HPI_SUBSYS_DRIVER_UNLOAD);
- hpi_send_recv_ex(&hm, &hr, HOWNER_KERNEL);
-}
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