From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/media/pci/intel/ipu3/ipu3-cio2.c | 307 +++++++++++++++++++++++---------------------------
1 files changed, 140 insertions(+), 167 deletions(-)
diff --git a/kernel/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/kernel/drivers/media/pci/intel/ipu3/ipu3-cio2.c
index cdf4d07..f8dca47 100644
--- a/kernel/drivers/media/pci/intel/ipu3/ipu3-cio2.c
+++ b/kernel/drivers/media/pci/intel/ipu3/ipu3-cio2.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Copyright (C) 2017 Intel Corporation
+ * Copyright (C) 2017,2020 Intel Corporation
*
* Based partially on Intel IPU4 driver written by
* Sakari Ailus <sakari.ailus@linux.intel.com>
@@ -9,13 +9,14 @@
* Jouni Ukkonen <jouni.ukkonen@intel.com>
* Antti Laakso <antti.laakso@intel.com>
* et al.
- *
*/
#include <linux/delay.h>
#include <linux/interrupt.h>
+#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/pfn.h>
#include <linux/pm_runtime.h>
#include <linux/property.h>
#include <linux/vmalloc.h>
@@ -96,12 +97,12 @@
static void cio2_fbpt_exit_dummy(struct cio2_device *cio2)
{
if (cio2->dummy_lop) {
- dma_free_coherent(&cio2->pci_dev->dev, CIO2_PAGE_SIZE,
+ dma_free_coherent(&cio2->pci_dev->dev, PAGE_SIZE,
cio2->dummy_lop, cio2->dummy_lop_bus_addr);
cio2->dummy_lop = NULL;
}
if (cio2->dummy_page) {
- dma_free_coherent(&cio2->pci_dev->dev, CIO2_PAGE_SIZE,
+ dma_free_coherent(&cio2->pci_dev->dev, PAGE_SIZE,
cio2->dummy_page, cio2->dummy_page_bus_addr);
cio2->dummy_page = NULL;
}
@@ -111,12 +112,10 @@
{
unsigned int i;
- cio2->dummy_page = dma_alloc_coherent(&cio2->pci_dev->dev,
- CIO2_PAGE_SIZE,
+ cio2->dummy_page = dma_alloc_coherent(&cio2->pci_dev->dev, PAGE_SIZE,
&cio2->dummy_page_bus_addr,
GFP_KERNEL);
- cio2->dummy_lop = dma_alloc_coherent(&cio2->pci_dev->dev,
- CIO2_PAGE_SIZE,
+ cio2->dummy_lop = dma_alloc_coherent(&cio2->pci_dev->dev, PAGE_SIZE,
&cio2->dummy_lop_bus_addr,
GFP_KERNEL);
if (!cio2->dummy_page || !cio2->dummy_lop) {
@@ -127,8 +126,8 @@
* List of Pointers(LOP) contains 1024x32b pointers to 4KB page each
* Initialize each entry to dummy_page bus base address.
*/
- for (i = 0; i < CIO2_PAGE_SIZE / sizeof(*cio2->dummy_lop); i++)
- cio2->dummy_lop[i] = cio2->dummy_page_bus_addr >> PAGE_SHIFT;
+ for (i = 0; i < CIO2_LOP_ENTRIES; i++)
+ cio2->dummy_lop[i] = PFN_DOWN(cio2->dummy_page_bus_addr);
return 0;
}
@@ -160,12 +159,11 @@
unsigned int i;
entry[0].first_entry.first_page_offset = 0;
- entry[1].second_entry.num_of_pages =
- CIO2_PAGE_SIZE / sizeof(u32) * CIO2_MAX_LOPS;
- entry[1].second_entry.last_page_available_bytes = CIO2_PAGE_SIZE - 1;
+ entry[1].second_entry.num_of_pages = CIO2_LOP_ENTRIES * CIO2_MAX_LOPS;
+ entry[1].second_entry.last_page_available_bytes = PAGE_SIZE - 1;
for (i = 0; i < CIO2_MAX_LOPS; i++)
- entry[i].lop_page_addr = cio2->dummy_lop_bus_addr >> PAGE_SHIFT;
+ entry[i].lop_page_addr = PFN_DOWN(cio2->dummy_lop_bus_addr);
cio2_fbpt_entry_enable(cio2, entry);
}
@@ -182,26 +180,24 @@
entry[0].first_entry.first_page_offset = b->offset;
remaining = length + entry[0].first_entry.first_page_offset;
- entry[1].second_entry.num_of_pages =
- DIV_ROUND_UP(remaining, CIO2_PAGE_SIZE);
+ entry[1].second_entry.num_of_pages = PFN_UP(remaining);
/*
* last_page_available_bytes has the offset of the last byte in the
* last page which is still accessible by DMA. DMA cannot access
* beyond this point. Valid range for this is from 0 to 4095.
* 0 indicates 1st byte in the page is DMA accessible.
- * 4095 (CIO2_PAGE_SIZE - 1) means every single byte in the last page
+ * 4095 (PAGE_SIZE - 1) means every single byte in the last page
* is available for DMA transfer.
*/
entry[1].second_entry.last_page_available_bytes =
(remaining & ~PAGE_MASK) ?
- (remaining & ~PAGE_MASK) - 1 :
- CIO2_PAGE_SIZE - 1;
+ (remaining & ~PAGE_MASK) - 1 : PAGE_SIZE - 1;
/* Fill FBPT */
remaining = length;
i = 0;
while (remaining > 0) {
- entry->lop_page_addr = b->lop_bus_addr[i] >> PAGE_SHIFT;
- remaining -= CIO2_PAGE_SIZE / sizeof(u32) * CIO2_PAGE_SIZE;
+ entry->lop_page_addr = PFN_DOWN(b->lop_bus_addr[i]);
+ remaining -= CIO2_LOP_ENTRIES * PAGE_SIZE;
entry++;
i++;
}
@@ -209,7 +205,7 @@
/*
* The first not meaningful FBPT entry should point to a valid LOP
*/
- entry->lop_page_addr = cio2->dummy_lop_bus_addr >> PAGE_SHIFT;
+ entry->lop_page_addr = PFN_DOWN(cio2->dummy_lop_bus_addr);
cio2_fbpt_entry_enable(cio2, entry);
}
@@ -222,8 +218,6 @@
GFP_KERNEL);
if (!q->fbpt)
return -ENOMEM;
-
- memset(q->fbpt, 0, CIO2_FBPT_SIZE);
return 0;
}
@@ -266,7 +260,7 @@
*/
/*
- * shift for keeping value range suitable for 32-bit integer arithmetics
+ * shift for keeping value range suitable for 32-bit integer arithmetic
*/
#define LIMIT_SHIFT 8
@@ -297,7 +291,7 @@
struct cio2_csi2_timing *timing)
{
struct device *dev = &cio2->pci_dev->dev;
- struct v4l2_querymenu qm = {.id = V4L2_CID_LINK_FREQ, };
+ struct v4l2_querymenu qm = { .id = V4L2_CID_LINK_FREQ };
struct v4l2_ctrl *link_freq;
s64 freq;
int r;
@@ -361,7 +355,7 @@
void __iomem *const base = cio2->base;
u8 lanes, csi2bus = q->csi2.port;
u8 sensor_vc = SENSOR_VIR_CH_DFLT;
- struct cio2_csi2_timing timing;
+ struct cio2_csi2_timing timing = { 0 };
int i, r;
fmt = cio2_find_format(NULL, &q->subdev_fmt.code);
@@ -477,8 +471,7 @@
}
/* Enable DMA */
- writel(q->fbpt_bus_addr >> PAGE_SHIFT,
- base + CIO2_REG_CDMABA(CIO2_DMA_CHAN));
+ writel(PFN_DOWN(q->fbpt_bus_addr), base + CIO2_REG_CDMABA(CIO2_DMA_CHAN));
writel(num_buffers1 << CIO2_CDMAC0_FBPT_LEN_SHIFT |
FBPT_WIDTH << CIO2_CDMAC0_FBPT_WIDTH_SHIFT |
@@ -514,8 +507,10 @@
static void cio2_hw_exit(struct cio2_device *cio2, struct cio2_queue *q)
{
- void __iomem *base = cio2->base;
- unsigned int i, maxloops = 1000;
+ void __iomem *const base = cio2->base;
+ unsigned int i;
+ u32 value;
+ int ret;
/* Disable CSI receiver and MIPI backend devices */
writel(0, q->csi_rx_base + CIO2_REG_IRQCTRL_MASK);
@@ -525,13 +520,10 @@
/* Halt DMA */
writel(0, base + CIO2_REG_CDMAC0(CIO2_DMA_CHAN));
- do {
- if (readl(base + CIO2_REG_CDMAC0(CIO2_DMA_CHAN)) &
- CIO2_CDMAC0_DMA_HALTED)
- break;
- usleep_range(1000, 2000);
- } while (--maxloops);
- if (!maxloops)
+ ret = readl_poll_timeout(base + CIO2_REG_CDMAC0(CIO2_DMA_CHAN),
+ value, value & CIO2_CDMAC0_DMA_HALTED,
+ 4000, 2000000);
+ if (ret)
dev_err(&cio2->pci_dev->dev,
"DMA %i can not be halted\n", CIO2_DMA_CHAN);
@@ -547,7 +539,7 @@
{
struct device *dev = &cio2->pci_dev->dev;
struct cio2_queue *q = cio2->cur_queue;
- int buffers_found = 0;
+ struct cio2_fbpt_entry *entry;
u64 ns = ktime_get_ns();
if (dma_chan >= CIO2_QUEUES) {
@@ -555,14 +547,17 @@
return;
}
+ entry = &q->fbpt[q->bufs_first * CIO2_MAX_LOPS];
+ if (entry->first_entry.ctrl & CIO2_FBPT_CTRL_VALID) {
+ dev_warn(&cio2->pci_dev->dev,
+ "no ready buffers found on DMA channel %u\n",
+ dma_chan);
+ return;
+ }
+
/* Find out which buffer(s) are ready */
do {
- struct cio2_fbpt_entry *const entry =
- &q->fbpt[q->bufs_first * CIO2_MAX_LOPS];
struct cio2_buffer *b;
-
- if (entry->first_entry.ctrl & CIO2_FBPT_CTRL_VALID)
- break;
b = q->bufs[q->bufs_first];
if (b) {
@@ -585,13 +580,8 @@
atomic_inc(&q->frame_sequence);
cio2_fbpt_entry_init_dummy(cio2, entry);
q->bufs_first = (q->bufs_first + 1) % CIO2_MAX_BUFFERS;
- buffers_found++;
- } while (1);
-
- if (buffers_found == 0)
- dev_warn(&cio2->pci_dev->dev,
- "no ready buffers found on DMA channel %u\n",
- dma_chan);
+ entry = &q->fbpt[q->bufs_first * CIO2_MAX_LOPS];
+ } while (!(entry->first_entry.ctrl & CIO2_FBPT_CTRL_VALID));
}
static void cio2_queue_event_sof(struct cio2_device *cio2, struct cio2_queue *q)
@@ -844,13 +834,11 @@
struct device *dev = &cio2->pci_dev->dev;
struct cio2_buffer *b =
container_of(vb, struct cio2_buffer, vbb.vb2_buf);
- static const unsigned int entries_per_page =
- CIO2_PAGE_SIZE / sizeof(u32);
- unsigned int pages = DIV_ROUND_UP(vb->planes[0].length, CIO2_PAGE_SIZE);
- unsigned int lops = DIV_ROUND_UP(pages + 1, entries_per_page);
+ unsigned int pages = PFN_UP(vb->planes[0].length);
+ unsigned int lops = DIV_ROUND_UP(pages + 1, CIO2_LOP_ENTRIES);
struct sg_table *sg;
- struct sg_page_iter sg_iter;
- int i, j;
+ struct sg_dma_page_iter sg_iter;
+ unsigned int i, j;
if (lops <= 0 || lops > CIO2_MAX_LOPS) {
dev_err(dev, "%s: bad buffer size (%i)\n", __func__,
@@ -861,7 +849,7 @@
memset(b->lop, 0, sizeof(b->lop));
/* Allocate LOP table */
for (i = 0; i < lops; i++) {
- b->lop[i] = dma_alloc_coherent(dev, CIO2_PAGE_SIZE,
+ b->lop[i] = dma_alloc_coherent(dev, PAGE_SIZE,
&b->lop_bus_addr[i], GFP_KERNEL);
if (!b->lop[i])
goto fail;
@@ -876,23 +864,22 @@
b->offset = sg->sgl->offset;
i = j = 0;
- for_each_sg_page(sg->sgl, &sg_iter, sg->nents, 0) {
+ for_each_sg_dma_page(sg->sgl, &sg_iter, sg->nents, 0) {
if (!pages--)
break;
- b->lop[i][j] = sg_page_iter_dma_address(&sg_iter) >> PAGE_SHIFT;
+ b->lop[i][j] = PFN_DOWN(sg_page_iter_dma_address(&sg_iter));
j++;
- if (j == entries_per_page) {
+ if (j == CIO2_LOP_ENTRIES) {
i++;
j = 0;
}
}
- b->lop[i][j] = cio2->dummy_page_bus_addr >> PAGE_SHIFT;
+ b->lop[i][j] = PFN_DOWN(cio2->dummy_page_bus_addr);
return 0;
fail:
- for (i--; i >= 0; i--)
- dma_free_coherent(dev, CIO2_PAGE_SIZE,
- b->lop[i], b->lop_bus_addr[i]);
+ while (i--)
+ dma_free_coherent(dev, PAGE_SIZE, b->lop[i], b->lop_bus_addr[i]);
return -ENOMEM;
}
@@ -982,7 +969,7 @@
/* Free LOP table */
for (i = 0; i < CIO2_MAX_LOPS; i++) {
if (b->lop[i])
- dma_free_coherent(&cio2->pci_dev->dev, CIO2_PAGE_SIZE,
+ dma_free_coherent(&cio2->pci_dev->dev, PAGE_SIZE,
b->lop[i], b->lop_bus_addr[i]);
}
}
@@ -1067,8 +1054,8 @@
{
struct cio2_device *cio2 = video_drvdata(file);
- strlcpy(cap->driver, CIO2_NAME, sizeof(cap->driver));
- strlcpy(cap->card, CIO2_DEVICE_NAME, sizeof(cap->card));
+ strscpy(cap->driver, CIO2_NAME, sizeof(cap->driver));
+ strscpy(cap->card, CIO2_DEVICE_NAME, sizeof(cap->card));
snprintf(cap->bus_info, sizeof(cap->bus_info),
"PCI:%s", pci_name(cio2->pci_dev));
@@ -1146,7 +1133,7 @@
if (input->index > 0)
return -EINVAL;
- strlcpy(input->name, "camera", sizeof(input->name));
+ strscpy(input->name, "camera", sizeof(input->name));
input->type = V4L2_INPUT_TYPE_CAMERA;
return 0;
@@ -1177,7 +1164,7 @@
static const struct v4l2_ioctl_ops cio2_v4l2_ioctl_ops = {
.vidioc_querycap = cio2_v4l2_querycap,
- .vidioc_enum_fmt_vid_cap_mplane = cio2_v4l2_enum_fmt,
+ .vidioc_enum_fmt_vid_cap = cio2_v4l2_enum_fmt,
.vidioc_g_fmt_vid_cap_mplane = cio2_v4l2_g_fmt,
.vidioc_s_fmt_vid_cap_mplane = cio2_v4l2_s_fmt,
.vidioc_try_fmt_vid_cap_mplane = cio2_v4l2_try_fmt,
@@ -1438,13 +1425,13 @@
struct cio2_device *cio2 = container_of(notifier, struct cio2_device,
notifier);
struct sensor_async_subdev *s_asd;
+ struct v4l2_async_subdev *asd;
struct cio2_queue *q;
- unsigned int i, pad;
+ unsigned int pad;
int ret;
- for (i = 0; i < notifier->num_subdevs; i++) {
- s_asd = container_of(cio2->notifier.subdevs[i],
- struct sensor_async_subdev, asd);
+ list_for_each_entry(asd, &cio2->notifier.asd_list, asd_list) {
+ s_asd = container_of(asd, struct sensor_async_subdev, asd);
q = &cio2->queue[s_asd->csi2.port];
for (pad = 0; pad < q->sensor->entity.num_pads; pad++)
@@ -1466,7 +1453,7 @@
if (ret) {
dev_err(&cio2->pci_dev->dev,
"failed to create link for %s\n",
- cio2->queue[i].sensor->name);
+ q->sensor->name);
return ret;
}
}
@@ -1480,53 +1467,61 @@
.complete = cio2_notifier_complete,
};
-static int cio2_fwnode_parse(struct device *dev,
- struct v4l2_fwnode_endpoint *vep,
- struct v4l2_async_subdev *asd)
+static int cio2_parse_firmware(struct cio2_device *cio2)
{
- struct sensor_async_subdev *s_asd =
- container_of(asd, struct sensor_async_subdev, asd);
-
- if (vep->bus_type != V4L2_MBUS_CSI2) {
- dev_err(dev, "Only CSI2 bus type is currently supported\n");
- return -EINVAL;
- }
-
- s_asd->csi2.port = vep->base.port;
- s_asd->csi2.lanes = vep->bus.mipi_csi2.num_data_lanes;
-
- return 0;
-}
-
-static int cio2_notifier_init(struct cio2_device *cio2)
-{
+ unsigned int i;
int ret;
- ret = v4l2_async_notifier_parse_fwnode_endpoints(
- &cio2->pci_dev->dev, &cio2->notifier,
- sizeof(struct sensor_async_subdev),
- cio2_fwnode_parse);
- if (ret < 0)
+ for (i = 0; i < CIO2_NUM_PORTS; i++) {
+ struct v4l2_fwnode_endpoint vep = {
+ .bus_type = V4L2_MBUS_CSI2_DPHY
+ };
+ struct sensor_async_subdev *s_asd;
+ struct v4l2_async_subdev *asd;
+ struct fwnode_handle *ep;
+
+ ep = fwnode_graph_get_endpoint_by_id(
+ dev_fwnode(&cio2->pci_dev->dev), i, 0,
+ FWNODE_GRAPH_ENDPOINT_NEXT);
+
+ if (!ep)
+ continue;
+
+ ret = v4l2_fwnode_endpoint_parse(ep, &vep);
+ if (ret)
+ goto err_parse;
+
+ asd = v4l2_async_notifier_add_fwnode_remote_subdev(
+ &cio2->notifier, ep, sizeof(*s_asd));
+ if (IS_ERR(asd)) {
+ ret = PTR_ERR(asd);
+ goto err_parse;
+ }
+
+ s_asd = container_of(asd, struct sensor_async_subdev, asd);
+ s_asd->csi2.port = vep.base.port;
+ s_asd->csi2.lanes = vep.bus.mipi_csi2.num_data_lanes;
+
+ fwnode_handle_put(ep);
+
+ continue;
+
+err_parse:
+ fwnode_handle_put(ep);
return ret;
-
- if (!cio2->notifier.num_subdevs)
- return -ENODEV; /* no endpoint */
-
- cio2->notifier.ops = &cio2_async_ops;
- ret = v4l2_async_notifier_register(&cio2->v4l2_dev, &cio2->notifier);
- if (ret) {
- dev_err(&cio2->pci_dev->dev,
- "failed to register async notifier : %d\n", ret);
- v4l2_async_notifier_cleanup(&cio2->notifier);
}
- return ret;
-}
+ /*
+ * Proceed even without sensors connected to allow the device to
+ * suspend.
+ */
+ cio2->notifier.ops = &cio2_async_ops;
+ ret = v4l2_async_notifier_register(&cio2->v4l2_dev, &cio2->notifier);
+ if (ret)
+ dev_err(&cio2->pci_dev->dev,
+ "failed to register async notifier : %d\n", ret);
-static void cio2_notifier_exit(struct cio2_device *cio2)
-{
- v4l2_async_notifier_unregister(&cio2->notifier);
- v4l2_async_notifier_cleanup(&cio2->notifier);
+ return ret;
}
/**************** Queue initialization ****************/
@@ -1605,6 +1600,7 @@
subdev->owner = THIS_MODULE;
snprintf(subdev->name, sizeof(subdev->name),
CIO2_ENTITY_NAME " %td", q - cio2->queue);
+ subdev->entity.function = MEDIA_ENT_F_VID_IF_BRIDGE;
v4l2_set_subdevdata(subdev, cio2);
r = v4l2_device_register_subdev(&cio2->v4l2_dev, subdev);
if (r) {
@@ -1627,7 +1623,7 @@
if (r) {
dev_err(&cio2->pci_dev->dev,
"failed to initialize videobuf2 queue (%d)\n", r);
- goto fail_vbq;
+ goto fail_subdev;
}
/* Initialize vdev */
@@ -1641,7 +1637,7 @@
vdev->queue = &q->vbq;
vdev->device_caps = V4L2_CAP_VIDEO_CAPTURE_MPLANE | V4L2_CAP_STREAMING;
video_set_drvdata(vdev, cio2);
- r = video_register_device(vdev, VFL_TYPE_GRABBER, -1);
+ r = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
if (r) {
dev_err(&cio2->pci_dev->dev,
"failed to register video device (%d)\n", r);
@@ -1658,10 +1654,8 @@
return 0;
fail_link:
- video_unregister_device(&q->vdev);
+ vb2_video_unregister_device(&q->vdev);
fail_vdev:
- vb2_queue_release(vbq);
-fail_vbq:
v4l2_device_unregister_subdev(subdev);
fail_subdev:
media_entity_cleanup(&vdev->entity);
@@ -1678,9 +1672,8 @@
static void cio2_queue_exit(struct cio2_device *cio2, struct cio2_queue *q)
{
- video_unregister_device(&q->vdev);
+ vb2_video_unregister_device(&q->vdev);
media_entity_cleanup(&q->vdev.entity);
- vb2_queue_release(&q->vbq);
v4l2_device_unregister_subdev(&q->subdev);
media_entity_cleanup(&q->subdev.entity);
cio2_fbpt_exit(q, &cio2->pci_dev->dev);
@@ -1717,29 +1710,10 @@
/**************** PCI interface ****************/
-static int cio2_pci_config_setup(struct pci_dev *dev)
-{
- u16 pci_command;
- int r = pci_enable_msi(dev);
-
- if (r) {
- dev_err(&dev->dev, "failed to enable MSI (%d)\n", r);
- return r;
- }
-
- pci_read_config_word(dev, PCI_COMMAND, &pci_command);
- pci_command |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
- PCI_COMMAND_INTX_DISABLE;
- pci_write_config_word(dev, PCI_COMMAND, pci_command);
-
- return 0;
-}
-
static int cio2_pci_probe(struct pci_dev *pci_dev,
const struct pci_device_id *id)
{
struct cio2_device *cio2;
- void __iomem *const *iomap;
int r;
cio2 = devm_kzalloc(&pci_dev->dev, sizeof(*cio2), GFP_KERNEL);
@@ -1762,13 +1736,7 @@
return -ENODEV;
}
- iomap = pcim_iomap_table(pci_dev);
- if (!iomap) {
- dev_err(&pci_dev->dev, "failed to iomap table\n");
- return -ENODEV;
- }
-
- cio2->base = iomap[CIO2_PCI_BAR];
+ cio2->base = pcim_iomap_table(pci_dev)[CIO2_PCI_BAR];
pci_set_drvdata(pci_dev, cio2);
@@ -1780,9 +1748,11 @@
return -ENODEV;
}
- r = cio2_pci_config_setup(pci_dev);
- if (r)
- return -ENODEV;
+ r = pci_enable_msi(pci_dev);
+ if (r) {
+ dev_err(&pci_dev->dev, "failed to enable MSI (%d)\n", r);
+ return r;
+ }
r = cio2_fbpt_init_dummy(cio2);
if (r)
@@ -1791,7 +1761,7 @@
mutex_init(&cio2->lock);
cio2->media_dev.dev = &cio2->pci_dev->dev;
- strlcpy(cio2->media_dev.model, CIO2_DEVICE_NAME,
+ strscpy(cio2->media_dev.model, CIO2_DEVICE_NAME,
sizeof(cio2->media_dev.model));
snprintf(cio2->media_dev.bus_info, sizeof(cio2->media_dev.bus_info),
"PCI:%s", pci_name(cio2->pci_dev));
@@ -1814,16 +1784,18 @@
if (r)
goto fail_v4l2_device_unregister;
+ v4l2_async_notifier_init(&cio2->notifier);
+
/* Register notifier for subdevices we care */
- r = cio2_notifier_init(cio2);
+ r = cio2_parse_firmware(cio2);
if (r)
- goto fail_cio2_queue_exit;
+ goto fail_clean_notifier;
r = devm_request_irq(&pci_dev->dev, pci_dev->irq, cio2_irq,
IRQF_SHARED, CIO2_NAME, cio2);
if (r) {
dev_err(&pci_dev->dev, "failed to request IRQ (%d)\n", r);
- goto fail;
+ goto fail_clean_notifier;
}
pm_runtime_put_noidle(&pci_dev->dev);
@@ -1831,9 +1803,9 @@
return 0;
-fail:
- cio2_notifier_exit(cio2);
-fail_cio2_queue_exit:
+fail_clean_notifier:
+ v4l2_async_notifier_unregister(&cio2->notifier);
+ v4l2_async_notifier_cleanup(&cio2->notifier);
cio2_queues_exit(cio2);
fail_v4l2_device_unregister:
v4l2_device_unregister(&cio2->v4l2_dev);
@@ -1850,16 +1822,18 @@
static void cio2_pci_remove(struct pci_dev *pci_dev)
{
struct cio2_device *cio2 = pci_get_drvdata(pci_dev);
- unsigned int i;
media_device_unregister(&cio2->media_dev);
- cio2_notifier_exit(cio2);
- for (i = 0; i < CIO2_QUEUES; i++)
- cio2_queue_exit(cio2, &cio2->queue[i]);
+ v4l2_async_notifier_unregister(&cio2->notifier);
+ v4l2_async_notifier_cleanup(&cio2->notifier);
+ cio2_queues_exit(cio2);
cio2_fbpt_exit_dummy(cio2);
v4l2_device_unregister(&cio2->v4l2_dev);
media_device_cleanup(&cio2->media_dev);
mutex_destroy(&cio2->lock);
+
+ pm_runtime_forbid(&pci_dev->dev);
+ pm_runtime_get_noresume(&pci_dev->dev);
}
static int __maybe_unused cio2_runtime_suspend(struct device *dev)
@@ -2006,10 +1980,9 @@
static int __maybe_unused cio2_resume(struct device *dev)
{
- struct pci_dev *pci_dev = to_pci_dev(dev);
- struct cio2_device *cio2 = pci_get_drvdata(pci_dev);
- int r = 0;
+ struct cio2_device *cio2 = dev_get_drvdata(dev);
struct cio2_queue *q = cio2->cur_queue;
+ int r;
dev_dbg(dev, "cio2 resume\n");
if (!cio2->streaming)
@@ -2036,7 +2009,7 @@
static const struct pci_device_id cio2_pci_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, CIO2_PCI_ID) },
- { 0 }
+ { }
};
MODULE_DEVICE_TABLE(pci, cio2_pci_id_table);
@@ -2055,7 +2028,7 @@
MODULE_AUTHOR("Tuukka Toivonen <tuukka.toivonen@intel.com>");
MODULE_AUTHOR("Tianshu Qiu <tian.shu.qiu@intel.com>");
-MODULE_AUTHOR("Jian Xu Zheng <jian.xu.zheng@intel.com>");
+MODULE_AUTHOR("Jian Xu Zheng");
MODULE_AUTHOR("Yuning Pu <yuning.pu@intel.com>");
MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
MODULE_LICENSE("GPL v2");
--
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