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path: root/drivers/media/pci/ivtv/ivtv-driver.c
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Diffstat (limited to 'drivers/media/pci/ivtv/ivtv-driver.c')
-rw-r--r--drivers/media/pci/ivtv/ivtv-driver.c121
1 files changed, 30 insertions, 91 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
index ba503d820e48..459eb6cc370c 100644
--- a/drivers/media/pci/ivtv/ivtv-driver.c
+++ b/drivers/media/pci/ivtv/ivtv-driver.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
ivtv driver initialization and card probing
Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
Copyright (C) 2004 Chris Kennedy <c@groovy.org>
- Copyright (C) 2005-2007 Hans Verkuil <hverkuil@xs4all.nl>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- 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
+ Copyright (C) 2005-2007 Hans Verkuil <hverkuil@kernel.org>
*/
/* Main Driver file for the ivtv project:
@@ -371,33 +358,6 @@ int ivtv_msleep_timeout(unsigned int msecs, int intr)
return 0;
}
-/* Release ioremapped memory */
-static void ivtv_iounmap(struct ivtv *itv)
-{
- if (itv == NULL)
- return;
-
- /* Release registers memory */
- if (itv->reg_mem != NULL) {
- IVTV_DEBUG_INFO("releasing reg_mem\n");
- iounmap(itv->reg_mem);
- itv->reg_mem = NULL;
- }
- /* Release io memory */
- if (itv->has_cx23415 && itv->dec_mem != NULL) {
- IVTV_DEBUG_INFO("releasing dec_mem\n");
- iounmap(itv->dec_mem);
- }
- itv->dec_mem = NULL;
-
- /* Release io memory */
- if (itv->enc_mem != NULL) {
- IVTV_DEBUG_INFO("releasing enc_mem\n");
- iounmap(itv->enc_mem);
- itv->enc_mem = NULL;
- }
-}
-
/* Hauppauge card? get values from tveeprom */
void ivtv_read_eeprom(struct ivtv *itv, struct tveeprom *tv)
{
@@ -833,7 +793,7 @@ static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
IVTV_DEBUG_INFO("Enabling pci device\n");
- if (pci_enable_device(pdev)) {
+ if (pcim_enable_device(pdev)) {
IVTV_ERR("Can't enable device!\n");
return -EIO;
}
@@ -841,24 +801,24 @@ static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
IVTV_ERR("No suitable DMA available.\n");
return -EIO;
}
- if (!request_mem_region(itv->base_addr, IVTV_ENCODER_SIZE, "ivtv encoder")) {
+ if (!devm_request_mem_region(&pdev->dev, itv->base_addr,
+ IVTV_ENCODER_SIZE, "ivtv encoder")) {
IVTV_ERR("Cannot request encoder memory region.\n");
return -EIO;
}
- if (!request_mem_region(itv->base_addr + IVTV_REG_OFFSET,
- IVTV_REG_SIZE, "ivtv registers")) {
+ if (!devm_request_mem_region(&pdev->dev,
+ itv->base_addr + IVTV_REG_OFFSET,
+ IVTV_REG_SIZE, "ivtv registers")) {
IVTV_ERR("Cannot request register memory region.\n");
- release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
return -EIO;
}
if (itv->has_cx23415 &&
- !request_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
- IVTV_DECODER_SIZE, "ivtv decoder")) {
+ !devm_request_mem_region(&pdev->dev,
+ itv->base_addr + IVTV_DECODER_OFFSET,
+ IVTV_DECODER_SIZE, "ivtv decoder")) {
IVTV_ERR("Cannot request decoder memory region.\n");
- release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
- release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
return -EIO;
}
@@ -870,11 +830,6 @@ static int ivtv_setup_pci(struct ivtv *itv, struct pci_dev *pdev,
pci_read_config_word(pdev, PCI_COMMAND, &cmd);
if (!(cmd & PCI_COMMAND_MASTER)) {
IVTV_ERR("Bus Mastering is not enabled\n");
- if (itv->has_cx23415)
- release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET,
- IVTV_DECODER_SIZE);
- release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
- release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
return -ENXIO;
}
}
@@ -1033,37 +988,37 @@ static int ivtv_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
/* PCI Device Setup */
retval = ivtv_setup_pci(itv, pdev, pci_id);
- if (retval == -EIO)
+ if (retval == -EIO || retval == -ENXIO)
goto free_worker;
- if (retval == -ENXIO)
- goto free_mem;
/* map io memory */
IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
(u64)itv->base_addr + IVTV_ENCODER_OFFSET, IVTV_ENCODER_SIZE);
- itv->enc_mem = ioremap(itv->base_addr + IVTV_ENCODER_OFFSET,
- IVTV_ENCODER_SIZE);
+ itv->enc_mem = devm_ioremap(&pdev->dev,
+ itv->base_addr + IVTV_ENCODER_OFFSET,
+ IVTV_ENCODER_SIZE);
if (!itv->enc_mem) {
IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 encoder memory\n");
IVTV_ERR("Each capture card with a CX23415/6 needs 8 MB of vmalloc address space for this window\n");
IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
retval = -ENOMEM;
- goto free_mem;
+ goto free_worker;
}
if (itv->has_cx23415) {
IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
(u64)itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
- itv->dec_mem = ioremap(itv->base_addr + IVTV_DECODER_OFFSET,
- IVTV_DECODER_SIZE);
+ itv->dec_mem = devm_ioremap(&pdev->dev,
+ itv->base_addr + IVTV_DECODER_OFFSET,
+ IVTV_DECODER_SIZE);
if (!itv->dec_mem) {
IVTV_ERR("ioremap failed. Can't get a window into CX23415 decoder memory\n");
IVTV_ERR("Each capture card with a CX23415 needs 8 MB of vmalloc address space for this window\n");
IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
retval = -ENOMEM;
- goto free_mem;
+ goto free_worker;
}
}
else {
@@ -1073,26 +1028,27 @@ static int ivtv_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
/* map registers memory */
IVTV_DEBUG_INFO("attempting ioremap at 0x%llx len 0x%08x\n",
(u64)itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
- itv->reg_mem =
- ioremap(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
+ itv->reg_mem = devm_ioremap(&pdev->dev,
+ itv->base_addr + IVTV_REG_OFFSET,
+ IVTV_REG_SIZE);
if (!itv->reg_mem) {
IVTV_ERR("ioremap failed. Can't get a window into CX23415/6 register space\n");
IVTV_ERR("Each capture card with a CX23415/6 needs 64 kB of vmalloc address space for this window\n");
IVTV_ERR("Check the output of 'grep Vmalloc /proc/meminfo'\n");
IVTV_ERR("Use the vmalloc= kernel command line option to set VmallocTotal to a larger value\n");
retval = -ENOMEM;
- goto free_io;
+ goto free_worker;
}
retval = ivtv_gpio_init(itv);
if (retval)
- goto free_io;
+ goto free_worker;
/* active i2c */
IVTV_DEBUG_INFO("activating i2c...\n");
if (init_ivtv_i2c(itv)) {
IVTV_ERR("Could not initialize i2c\n");
- goto free_io;
+ goto free_worker;
}
if (itv->card->hw_all & IVTV_HW_TVEEPROM) {
@@ -1277,13 +1233,6 @@ free_irq:
free_i2c:
v4l2_ctrl_handler_free(&itv->cxhdl.hdl);
exit_ivtv_i2c(itv);
-free_io:
- ivtv_iounmap(itv);
-free_mem:
- release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
- release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
- if (itv->has_cx23415)
- release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
free_worker:
kthread_stop(itv->irq_worker_task);
err:
@@ -1298,15 +1247,12 @@ err:
int ivtv_init_on_first_open(struct ivtv *itv)
{
- struct v4l2_frequency vf;
/* Needed to call ioctls later */
- struct ivtv_open_id fh;
+ struct ivtv_stream *s = &itv->streams[IVTV_ENC_STREAM_TYPE_MPG];
+ struct v4l2_frequency vf;
int fw_retry_count = 3;
int video_input;
- fh.itv = itv;
- fh.type = IVTV_ENC_STREAM_TYPE_MPG;
-
if (test_bit(IVTV_F_I_FAILED, &itv->i_flags))
return -ENXIO;
@@ -1348,13 +1294,13 @@ int ivtv_init_on_first_open(struct ivtv *itv)
video_input = itv->active_input;
itv->active_input++; /* Force update of input */
- ivtv_s_input(NULL, &fh, video_input);
+ ivtv_do_s_input(itv, video_input);
/* Let the VIDIOC_S_STD ioctl do all the work, keeps the code
in one place. */
itv->std++; /* Force full standard initialization */
itv->std_out = itv->std;
- ivtv_s_frequency(NULL, &fh, &vf);
+ ivtv_do_s_frequency(s, &vf);
if (itv->card->v4l2_capabilities & V4L2_CAP_VIDEO_OUTPUT) {
/* Turn on the TV-out: ivtv_init_mpeg_decoder() initializes
@@ -1439,14 +1385,7 @@ static void ivtv_remove(struct pci_dev *pdev)
exit_ivtv_i2c(itv);
free_irq(itv->pdev->irq, (void *)itv);
- ivtv_iounmap(itv);
-
- release_mem_region(itv->base_addr, IVTV_ENCODER_SIZE);
- release_mem_region(itv->base_addr + IVTV_REG_OFFSET, IVTV_REG_SIZE);
- if (itv->has_cx23415)
- release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE);
- pci_disable_device(itv->pdev);
for (i = 0; i < IVTV_VBI_FRAMES; i++)
kfree(itv->vbi.sliced_mpeg_data[i]);
generated by cgit (git 2.34.1) at 2025-12-28 14:30:42 +0000