stm32mp157
/
linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
linux/linux-5.4.31/drivers/media/pci/cx88/cx88-video.c

1662 lines
43 KiB
C
Raw Permalink Blame History

// SPDX-License-Identifier: GPL-2.0-or-later
/*
*
* device driver for Conexant 2388x based TV cards
* video4linux video interface
*
* (c) 2003-04 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
*
* (c) 2005-2006 Mauro Carvalho Chehab <mchehab@kernel.org>
* - Multituner support
* - video_ioctl2 conversion
* - PAL/M fixes
*/
#include "cx88.h"
#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/kmod.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/dma-mapping.h>
#include <linux/delay.h>
#include <linux/kthread.h>
#include <asm/div64.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-event.h>
#include <media/i2c/wm8775.h>
MODULE_DESCRIPTION("v4l2 driver module for cx2388x based TV cards");
MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
MODULE_LICENSE("GPL v2");
MODULE_VERSION(CX88_VERSION);
/* ------------------------------------------------------------------ */
static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET };
module_param_array(video_nr, int, NULL, 0444);
module_param_array(vbi_nr, int, NULL, 0444);
module_param_array(radio_nr, int, NULL, 0444);
MODULE_PARM_DESC(video_nr, "video device numbers");
MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
MODULE_PARM_DESC(radio_nr, "radio device numbers");
static unsigned int video_debug;
module_param(video_debug, int, 0644);
MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
static unsigned int irq_debug;
module_param(irq_debug, int, 0644);
MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
#define dprintk(level, fmt, arg...) do { \
if (video_debug >= level) \
printk(KERN_DEBUG pr_fmt("%s: video:" fmt), \
__func__, ##arg); \
} while (0)
/* ------------------------------------------------------------------- */
/* static data */
static const struct cx8800_fmt formats[] = {
{
.fourcc = V4L2_PIX_FMT_GREY,
.cxformat = ColorFormatY8,
.depth = 8,
.flags = FORMAT_FLAGS_PACKED,
}, {
.fourcc = V4L2_PIX_FMT_RGB555,
.cxformat = ColorFormatRGB15,
.depth = 16,
.flags = FORMAT_FLAGS_PACKED,
}, {
.fourcc = V4L2_PIX_FMT_RGB555X,
.cxformat = ColorFormatRGB15 | ColorFormatBSWAP,
.depth = 16,
.flags = FORMAT_FLAGS_PACKED,
}, {
.fourcc = V4L2_PIX_FMT_RGB565,
.cxformat = ColorFormatRGB16,
.depth = 16,
.flags = FORMAT_FLAGS_PACKED,
}, {
.fourcc = V4L2_PIX_FMT_RGB565X,
.cxformat = ColorFormatRGB16 | ColorFormatBSWAP,
.depth = 16,
.flags = FORMAT_FLAGS_PACKED,
}, {
.fourcc = V4L2_PIX_FMT_BGR24,
.cxformat = ColorFormatRGB24,
.depth = 24,
.flags = FORMAT_FLAGS_PACKED,
}, {
.fourcc = V4L2_PIX_FMT_BGR32,
.cxformat = ColorFormatRGB32,
.depth = 32,
.flags = FORMAT_FLAGS_PACKED,
}, {
.fourcc = V4L2_PIX_FMT_RGB32,
.cxformat = ColorFormatRGB32 | ColorFormatBSWAP |
ColorFormatWSWAP,
.depth = 32,
.flags = FORMAT_FLAGS_PACKED,
}, {
.fourcc = V4L2_PIX_FMT_YUYV,
.cxformat = ColorFormatYUY2,
.depth = 16,
.flags = FORMAT_FLAGS_PACKED,
}, {
.fourcc = V4L2_PIX_FMT_UYVY,
.cxformat = ColorFormatYUY2 | ColorFormatBSWAP,
.depth = 16,
.flags = FORMAT_FLAGS_PACKED,
},
};
static const struct cx8800_fmt *format_by_fourcc(unsigned int fourcc)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(formats); i++)
if (formats[i].fourcc == fourcc)
return formats + i;
return NULL;
}
/* ------------------------------------------------------------------- */
struct cx88_ctrl {
/* control information */
u32 id;
s32 minimum;
s32 maximum;
u32 step;
s32 default_value;
/* control register information */
u32 off;
u32 reg;
u32 sreg;
u32 mask;
u32 shift;
};
static const struct cx88_ctrl cx8800_vid_ctls[] = {
/* --- video --- */
{
.id = V4L2_CID_BRIGHTNESS,
.minimum = 0x00,
.maximum = 0xff,
.step = 1,
.default_value = 0x7f,
.off = 128,
.reg = MO_CONTR_BRIGHT,
.mask = 0x00ff,
.shift = 0,
}, {
.id = V4L2_CID_CONTRAST,
.minimum = 0,
.maximum = 0xff,
.step = 1,
.default_value = 0x3f,
.off = 0,
.reg = MO_CONTR_BRIGHT,
.mask = 0xff00,
.shift = 8,
}, {
.id = V4L2_CID_HUE,
.minimum = 0,
.maximum = 0xff,
.step = 1,
.default_value = 0x7f,
.off = 128,
.reg = MO_HUE,
.mask = 0x00ff,
.shift = 0,
}, {
/* strictly, this only describes only U saturation.
* V saturation is handled specially through code.
*/
.id = V4L2_CID_SATURATION,
.minimum = 0,
.maximum = 0xff,
.step = 1,
.default_value = 0x7f,
.off = 0,
.reg = MO_UV_SATURATION,
.mask = 0x00ff,
.shift = 0,
}, {
.id = V4L2_CID_SHARPNESS,
.minimum = 0,
.maximum = 4,
.step = 1,
.default_value = 0x0,
.off = 0,
/*
* NOTE: the value is converted and written to both even
* and odd registers in the code
*/
.reg = MO_FILTER_ODD,
.mask = 7 << 7,
.shift = 7,
}, {
.id = V4L2_CID_CHROMA_AGC,
.minimum = 0,
.maximum = 1,
.default_value = 0x1,
.reg = MO_INPUT_FORMAT,
.mask = 1 << 10,
.shift = 10,
}, {
.id = V4L2_CID_COLOR_KILLER,
.minimum = 0,
.maximum = 1,
.default_value = 0x1,
.reg = MO_INPUT_FORMAT,
.mask = 1 << 9,
.shift = 9,
}, {
.id = V4L2_CID_BAND_STOP_FILTER,
.minimum = 0,
.maximum = 1,
.step = 1,
.default_value = 0x0,
.off = 0,
.reg = MO_HTOTAL,
.mask = 3 << 11,
.shift = 11,
}
};
static const struct cx88_ctrl cx8800_aud_ctls[] = {
{
/* --- audio --- */
.id = V4L2_CID_AUDIO_MUTE,
.minimum = 0,
.maximum = 1,
.default_value = 1,
.reg = AUD_VOL_CTL,
.sreg = SHADOW_AUD_VOL_CTL,
.mask = (1 << 6),
.shift = 6,
}, {
.id = V4L2_CID_AUDIO_VOLUME,
.minimum = 0,
.maximum = 0x3f,
.step = 1,
.default_value = 0x3f,
.reg = AUD_VOL_CTL,
.sreg = SHADOW_AUD_VOL_CTL,
.mask = 0x3f,
.shift = 0,
}, {
.id = V4L2_CID_AUDIO_BALANCE,
.minimum = 0,
.maximum = 0x7f,
.step = 1,
.default_value = 0x40,
.reg = AUD_BAL_CTL,
.sreg = SHADOW_AUD_BAL_CTL,
.mask = 0x7f,
.shift = 0,
}
};
enum {
CX8800_VID_CTLS = ARRAY_SIZE(cx8800_vid_ctls),
CX8800_AUD_CTLS = ARRAY_SIZE(cx8800_aud_ctls),
};
/* ------------------------------------------------------------------ */
int cx88_video_mux(struct cx88_core *core, unsigned int input)
{
/* struct cx88_core *core = dev->core; */
dprintk(1, "video_mux: %d [vmux=%d,gpio=0x%x,0x%x,0x%x,0x%x]\n",
input, INPUT(input).vmux,
INPUT(input).gpio0, INPUT(input).gpio1,
INPUT(input).gpio2, INPUT(input).gpio3);
core->input = input;
cx_andor(MO_INPUT_FORMAT, 0x03 << 14, INPUT(input).vmux << 14);
cx_write(MO_GP3_IO, INPUT(input).gpio3);
cx_write(MO_GP0_IO, INPUT(input).gpio0);
cx_write(MO_GP1_IO, INPUT(input).gpio1);
cx_write(MO_GP2_IO, INPUT(input).gpio2);
switch (INPUT(input).type) {
case CX88_VMUX_SVIDEO:
cx_set(MO_AFECFG_IO, 0x00000001);
cx_set(MO_INPUT_FORMAT, 0x00010010);
cx_set(MO_FILTER_EVEN, 0x00002020);
cx_set(MO_FILTER_ODD, 0x00002020);
break;
default:
cx_clear(MO_AFECFG_IO, 0x00000001);
cx_clear(MO_INPUT_FORMAT, 0x00010010);
cx_clear(MO_FILTER_EVEN, 0x00002020);
cx_clear(MO_FILTER_ODD, 0x00002020);
break;
}
/*
* if there are audioroutes defined, we have an external
* ADC to deal with audio
*/
if (INPUT(input).audioroute) {
/*
* The wm8775 module has the "2" route hardwired into
* the initialization. Some boards may use different
* routes for different inputs. HVR-1300 surely does
*/
if (core->sd_wm8775) {
call_all(core, audio, s_routing,
INPUT(input).audioroute, 0, 0);
}
/*
* cx2388's C-ADC is connected to the tuner only.
* When used with S-Video, that ADC is busy dealing with
* chroma, so an external must be used for baseband audio
*/
if (INPUT(input).type != CX88_VMUX_TELEVISION &&
INPUT(input).type != CX88_VMUX_CABLE) {
/* "I2S ADC mode" */
core->tvaudio = WW_I2SADC;
cx88_set_tvaudio(core);
} else {
/* Normal mode */
cx_write(AUD_I2SCNTL, 0x0);
cx_clear(AUD_CTL, EN_I2SIN_ENABLE);
}
}
return 0;
}
EXPORT_SYMBOL(cx88_video_mux);
/* ------------------------------------------------------------------ */
static int start_video_dma(struct cx8800_dev *dev,
struct cx88_dmaqueue *q,
struct cx88_buffer *buf)
{
struct cx88_core *core = dev->core;
/* setup fifo + format */
cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH21],
buf->bpl, buf->risc.dma);
cx88_set_scale(core, core->width, core->height, core->field);
cx_write(MO_COLOR_CTRL, dev->fmt->cxformat | ColorFormatGamma);
/* reset counter */
cx_write(MO_VIDY_GPCNTRL, GP_COUNT_CONTROL_RESET);
q->count = 0;
/* enable irqs */
cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_VIDINT);
/*
* Enables corresponding bits at PCI_INT_STAT:
* bits 0 to 4: video, audio, transport stream, VIP, Host
* bit 7: timer
* bits 8 and 9: DMA complete for: SRC, DST
* bits 10 and 11: BERR signal asserted for RISC: RD, WR
* bits 12 to 15: BERR signal asserted for: BRDG, SRC, DST, IPB
*/
cx_set(MO_VID_INTMSK, 0x0f0011);
/* enable capture */
cx_set(VID_CAPTURE_CONTROL, 0x06);
/* start dma */
cx_set(MO_DEV_CNTRL2, (1 << 5));
cx_set(MO_VID_DMACNTRL, 0x11); /* Planar Y and packed FIFO and RISC enable */
return 0;
}
#ifdef CONFIG_PM
static int stop_video_dma(struct cx8800_dev *dev)
{
struct cx88_core *core = dev->core;
/* stop dma */
cx_clear(MO_VID_DMACNTRL, 0x11);
/* disable capture */
cx_clear(VID_CAPTURE_CONTROL, 0x06);
/* disable irqs */
cx_clear(MO_PCI_INTMSK, PCI_INT_VIDINT);
cx_clear(MO_VID_INTMSK, 0x0f0011);
return 0;
}
static int restart_video_queue(struct cx8800_dev *dev,
struct cx88_dmaqueue *q)
{
struct cx88_buffer *buf;
if (!list_empty(&q->active)) {
buf = list_entry(q->active.next, struct cx88_buffer, list);
dprintk(2, "restart_queue [%p/%d]: restart dma\n",
buf, buf->vb.vb2_buf.index);
start_video_dma(dev, q, buf);
}
return 0;
}
#endif
/* ------------------------------------------------------------------ */
static int queue_setup(struct vb2_queue *q,
unsigned int *num_buffers, unsigned int *num_planes,
unsigned int sizes[], struct device *alloc_devs[])
{
struct cx8800_dev *dev = q->drv_priv;
struct cx88_core *core = dev->core;
*num_planes = 1;
sizes[0] = (dev->fmt->depth * core->width * core->height) >> 3;
return 0;
}
static int buffer_prepare(struct vb2_buffer *vb)
{
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
struct cx88_core *core = dev->core;
struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
buf->bpl = core->width * dev->fmt->depth >> 3;
if (vb2_plane_size(vb, 0) < core->height * buf->bpl)
return -EINVAL;
vb2_set_plane_payload(vb, 0, core->height * buf->bpl);
switch (core->field) {
case V4L2_FIELD_TOP:
cx88_risc_buffer(dev->pci, &buf->risc,
sgt->sgl, 0, UNSET,
buf->bpl, 0, core->height);
break;
case V4L2_FIELD_BOTTOM:
cx88_risc_buffer(dev->pci, &buf->risc,
sgt->sgl, UNSET, 0,
buf->bpl, 0, core->height);
break;
case V4L2_FIELD_SEQ_TB:
cx88_risc_buffer(dev->pci, &buf->risc,
sgt->sgl,
0, buf->bpl * (core->height >> 1),
buf->bpl, 0,
core->height >> 1);
break;
case V4L2_FIELD_SEQ_BT:
cx88_risc_buffer(dev->pci, &buf->risc,
sgt->sgl,
buf->bpl * (core->height >> 1), 0,
buf->bpl, 0,
core->height >> 1);
break;
case V4L2_FIELD_INTERLACED:
default:
cx88_risc_buffer(dev->pci, &buf->risc,
sgt->sgl, 0, buf->bpl,
buf->bpl, buf->bpl,
core->height >> 1);
break;
}
dprintk(2,
"[%p/%d] %s - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
buf, buf->vb.vb2_buf.index, __func__,
core->width, core->height, dev->fmt->depth, dev->fmt->fourcc,
(unsigned long)buf->risc.dma);
return 0;
}
static void buffer_finish(struct vb2_buffer *vb)
{
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
struct cx88_riscmem *risc = &buf->risc;
if (risc->cpu)
pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
memset(risc, 0, sizeof(*risc));
}
static void buffer_queue(struct vb2_buffer *vb)
{
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
struct cx8800_dev *dev = vb->vb2_queue->drv_priv;
struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
struct cx88_buffer *prev;
struct cx88_dmaqueue *q = &dev->vidq;
/* add jump to start */
buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 8);
buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 8);
if (list_empty(&q->active)) {
list_add_tail(&buf->list, &q->active);
dprintk(2, "[%p/%d] buffer_queue - first active\n",
buf, buf->vb.vb2_buf.index);
} else {
buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
prev = list_entry(q->active.prev, struct cx88_buffer, list);
list_add_tail(&buf->list, &q->active);
prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
dprintk(2, "[%p/%d] buffer_queue - append to active\n",
buf, buf->vb.vb2_buf.index);
}
}
static int start_streaming(struct vb2_queue *q, unsigned int count)
{
struct cx8800_dev *dev = q->drv_priv;
struct cx88_dmaqueue *dmaq = &dev->vidq;
struct cx88_buffer *buf = list_entry(dmaq->active.next,
struct cx88_buffer, list);
start_video_dma(dev, dmaq, buf);
return 0;
}
static void stop_streaming(struct vb2_queue *q)
{
struct cx8800_dev *dev = q->drv_priv;
struct cx88_core *core = dev->core;
struct cx88_dmaqueue *dmaq = &dev->vidq;
unsigned long flags;
cx_clear(MO_VID_DMACNTRL, 0x11);
cx_clear(VID_CAPTURE_CONTROL, 0x06);
spin_lock_irqsave(&dev->slock, flags);
while (!list_empty(&dmaq->active)) {
struct cx88_buffer *buf = list_entry(dmaq->active.next,
struct cx88_buffer, list);
list_del(&buf->list);
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
}
spin_unlock_irqrestore(&dev->slock, flags);
}
static const struct vb2_ops cx8800_video_qops = {
.queue_setup = queue_setup,
.buf_prepare = buffer_prepare,
.buf_finish = buffer_finish,
.buf_queue = buffer_queue,
.wait_prepare = vb2_ops_wait_prepare,
.wait_finish = vb2_ops_wait_finish,
.start_streaming = start_streaming,
.stop_streaming = stop_streaming,
};
/* ------------------------------------------------------------------ */
static int radio_open(struct file *file)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
int ret = v4l2_fh_open(file);
if (ret)
return ret;
cx_write(MO_GP3_IO, core->board.radio.gpio3);
cx_write(MO_GP0_IO, core->board.radio.gpio0);
cx_write(MO_GP1_IO, core->board.radio.gpio1);
cx_write(MO_GP2_IO, core->board.radio.gpio2);
if (core->board.radio.audioroute) {
if (core->sd_wm8775) {
call_all(core, audio, s_routing,
core->board.radio.audioroute, 0, 0);
}
/* "I2S ADC mode" */
core->tvaudio = WW_I2SADC;
cx88_set_tvaudio(core);
} else {
/* FM Mode */
core->tvaudio = WW_FM;
cx88_set_tvaudio(core);
cx88_set_stereo(core, V4L2_TUNER_MODE_STEREO, 1);
}
call_all(core, tuner, s_radio);
return 0;
}
/* ------------------------------------------------------------------ */
/* VIDEO CTRL IOCTLS */
static int cx8800_s_vid_ctrl(struct v4l2_ctrl *ctrl)
{
struct cx88_core *core =
container_of(ctrl->handler, struct cx88_core, video_hdl);
const struct cx88_ctrl *cc = ctrl->priv;
u32 value, mask;
mask = cc->mask;
switch (ctrl->id) {
case V4L2_CID_SATURATION:
/* special v_sat handling */
value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
if (core->tvnorm & V4L2_STD_SECAM) {
/* For SECAM, both U and V sat should be equal */
value = value << 8 | value;
} else {
/* Keeps U Saturation proportional to V Sat */
value = (value * 0x5a) / 0x7f << 8 | value;
}
mask = 0xffff;
break;
case V4L2_CID_SHARPNESS:
/* 0b000, 0b100, 0b101, 0b110, or 0b111 */
value = (ctrl->val < 1 ? 0 : ((ctrl->val + 3) << 7));
/* needs to be set for both fields */
cx_andor(MO_FILTER_EVEN, mask, value);
break;
case V4L2_CID_CHROMA_AGC:
value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
break;
default:
value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
break;
}
dprintk(1,
"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
mask, cc->sreg ? " [shadowed]" : "");
if (cc->sreg)
cx_sandor(cc->sreg, cc->reg, mask, value);
else
cx_andor(cc->reg, mask, value);
return 0;
}
static int cx8800_s_aud_ctrl(struct v4l2_ctrl *ctrl)
{
struct cx88_core *core =
container_of(ctrl->handler, struct cx88_core, audio_hdl);
const struct cx88_ctrl *cc = ctrl->priv;
u32 value, mask;
/* Pass changes onto any WM8775 */
if (core->sd_wm8775) {
switch (ctrl->id) {
case V4L2_CID_AUDIO_MUTE:
wm8775_s_ctrl(core, ctrl->id, ctrl->val);
break;
case V4L2_CID_AUDIO_VOLUME:
wm8775_s_ctrl(core, ctrl->id, (ctrl->val) ?
(0x90 + ctrl->val) << 8 : 0);
break;
case V4L2_CID_AUDIO_BALANCE:
wm8775_s_ctrl(core, ctrl->id, ctrl->val << 9);
break;
default:
break;
}
}
mask = cc->mask;
switch (ctrl->id) {
case V4L2_CID_AUDIO_BALANCE:
value = (ctrl->val < 0x40) ?
(0x7f - ctrl->val) : (ctrl->val - 0x40);
break;
case V4L2_CID_AUDIO_VOLUME:
value = 0x3f - (ctrl->val & 0x3f);
break;
default:
value = ((ctrl->val - cc->off) << cc->shift) & cc->mask;
break;
}
dprintk(1,
"set_control id=0x%X(%s) ctrl=0x%02x, reg=0x%02x val=0x%02x (mask 0x%02x)%s\n",
ctrl->id, ctrl->name, ctrl->val, cc->reg, value,
mask, cc->sreg ? " [shadowed]" : "");
if (cc->sreg)
cx_sandor(cc->sreg, cc->reg, mask, value);
else
cx_andor(cc->reg, mask, value);
return 0;
}
/* ------------------------------------------------------------------ */
/* VIDEO IOCTLS */
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
f->fmt.pix.width = core->width;
f->fmt.pix.height = core->height;
f->fmt.pix.field = core->field;
f->fmt.pix.pixelformat = dev->fmt->fourcc;
f->fmt.pix.bytesperline =
(f->fmt.pix.width * dev->fmt->depth) >> 3;
f->fmt.pix.sizeimage =
f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
return 0;
}
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
const struct cx8800_fmt *fmt;
enum v4l2_field field;
unsigned int maxw, maxh;
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
if (!fmt)
return -EINVAL;
maxw = norm_maxw(core->tvnorm);
maxh = norm_maxh(core->tvnorm);
field = f->fmt.pix.field;
switch (field) {
case V4L2_FIELD_TOP:
case V4L2_FIELD_BOTTOM:
case V4L2_FIELD_INTERLACED:
case V4L2_FIELD_SEQ_BT:
case V4L2_FIELD_SEQ_TB:
break;
default:
field = (f->fmt.pix.height > maxh / 2)
? V4L2_FIELD_INTERLACED
: V4L2_FIELD_BOTTOM;
break;
}
if (V4L2_FIELD_HAS_T_OR_B(field))
maxh /= 2;
v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
&f->fmt.pix.height, 32, maxh, 0, 0);
f->fmt.pix.field = field;
f->fmt.pix.bytesperline =
(f->fmt.pix.width * fmt->depth) >> 3;
f->fmt.pix.sizeimage =
f->fmt.pix.height * f->fmt.pix.bytesperline;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
int err = vidioc_try_fmt_vid_cap(file, priv, f);
if (err != 0)
return err;
if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq))
return -EBUSY;
if (core->dvbdev && vb2_is_busy(&core->dvbdev->vb2_mpegq))
return -EBUSY;
dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
core->width = f->fmt.pix.width;
core->height = f->fmt.pix.height;
core->field = f->fmt.pix.field;
return 0;
}
int cx88_querycap(struct file *file, struct cx88_core *core,
struct v4l2_capability *cap)
{
strscpy(cap->card, core->board.name, sizeof(cap->card));
cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VBI_CAPTURE |
V4L2_CAP_DEVICE_CAPS;
if (core->board.tuner_type != UNSET)
cap->capabilities |= V4L2_CAP_TUNER;
if (core->board.radio.type == CX88_RADIO)
cap->capabilities |= V4L2_CAP_RADIO;
return 0;
}
EXPORT_SYMBOL(cx88_querycap);
static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
strscpy(cap->driver, "cx8800", sizeof(cap->driver));
sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
return cx88_querycap(file, core, cap);
}
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
if (unlikely(f->index >= ARRAY_SIZE(formats)))
return -EINVAL;
f->pixelformat = formats[f->index].fourcc;
return 0;
}
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
*tvnorm = core->tvnorm;
return 0;
}
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
return cx88_set_tvnorm(core, tvnorms);
}
/* only one input in this sample driver */
int cx88_enum_input(struct cx88_core *core, struct v4l2_input *i)
{
static const char * const iname[] = {
[CX88_VMUX_COMPOSITE1] = "Composite1",
[CX88_VMUX_COMPOSITE2] = "Composite2",
[CX88_VMUX_COMPOSITE3] = "Composite3",
[CX88_VMUX_COMPOSITE4] = "Composite4",
[CX88_VMUX_SVIDEO] = "S-Video",
[CX88_VMUX_TELEVISION] = "Television",
[CX88_VMUX_CABLE] = "Cable TV",
[CX88_VMUX_DVB] = "DVB",
[CX88_VMUX_DEBUG] = "for debug only",
};
unsigned int n = i->index;
if (n >= 4)
return -EINVAL;
if (!INPUT(n).type)
return -EINVAL;
i->type = V4L2_INPUT_TYPE_CAMERA;
strscpy(i->name, iname[INPUT(n).type], sizeof(i->name));
if ((INPUT(n).type == CX88_VMUX_TELEVISION) ||
(INPUT(n).type == CX88_VMUX_CABLE))
i->type = V4L2_INPUT_TYPE_TUNER;
i->std = CX88_NORMS;
return 0;
}
EXPORT_SYMBOL(cx88_enum_input);
static int vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *i)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
return cx88_enum_input(core, i);
}
static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
*i = core->input;
return 0;
}
static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
if (i >= 4)
return -EINVAL;
if (!INPUT(i).type)
return -EINVAL;
cx88_newstation(core);
cx88_video_mux(core, i);
return 0;
}
static int vidioc_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *t)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
u32 reg;
if (unlikely(core->board.tuner_type == UNSET))
return -EINVAL;
if (t->index != 0)
return -EINVAL;
strscpy(t->name, "Television", sizeof(t->name));
t->capability = V4L2_TUNER_CAP_NORM;
t->rangehigh = 0xffffffffUL;
call_all(core, tuner, g_tuner, t);
cx88_get_stereo(core, t);
reg = cx_read(MO_DEVICE_STATUS);
t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
return 0;
}
static int vidioc_s_tuner(struct file *file, void *priv,
const struct v4l2_tuner *t)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
if (core->board.tuner_type == UNSET)
return -EINVAL;
if (t->index != 0)
return -EINVAL;
cx88_set_stereo(core, t->audmode, 1);
return 0;
}
static int vidioc_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
if (unlikely(core->board.tuner_type == UNSET))
return -EINVAL;
if (f->tuner)
return -EINVAL;
f->frequency = core->freq;
call_all(core, tuner, g_frequency, f);
return 0;
}
int cx88_set_freq(struct cx88_core *core,
const struct v4l2_frequency *f)
{
struct v4l2_frequency new_freq = *f;
if (unlikely(core->board.tuner_type == UNSET))
return -EINVAL;
if (unlikely(f->tuner != 0))
return -EINVAL;
cx88_newstation(core);
call_all(core, tuner, s_frequency, f);
call_all(core, tuner, g_frequency, &new_freq);
core->freq = new_freq.frequency;
/* When changing channels it is required to reset TVAUDIO */
usleep_range(10000, 20000);
cx88_set_tvaudio(core);
return 0;
}
EXPORT_SYMBOL(cx88_set_freq);
static int vidioc_s_frequency(struct file *file, void *priv,
const struct v4l2_frequency *f)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
return cx88_set_freq(core, f);
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int vidioc_g_register(struct file *file, void *fh,
struct v4l2_dbg_register *reg)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
/* cx2388x has a 24-bit register space */
reg->val = cx_read(reg->reg & 0xfffffc);
reg->size = 4;
return 0;
}
static int vidioc_s_register(struct file *file, void *fh,
const struct v4l2_dbg_register *reg)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
cx_write(reg->reg & 0xfffffc, reg->val);
return 0;
}
#endif
/* ----------------------------------------------------------- */
/* RADIO ESPECIFIC IOCTLS */
/* ----------------------------------------------------------- */
static int radio_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *t)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
if (unlikely(t->index > 0))
return -EINVAL;
strscpy(t->name, "Radio", sizeof(t->name));
call_all(core, tuner, g_tuner, t);
return 0;
}
static int radio_s_tuner(struct file *file, void *priv,
const struct v4l2_tuner *t)
{
struct cx8800_dev *dev = video_drvdata(file);
struct cx88_core *core = dev->core;
if (t->index != 0)
return -EINVAL;
call_all(core, tuner, s_tuner, t);
return 0;
}
/* ----------------------------------------------------------- */
static const char *cx88_vid_irqs[32] = {
"y_risci1", "u_risci1", "v_risci1", "vbi_risc1",
"y_risci2", "u_risci2", "v_risci2", "vbi_risc2",
"y_oflow", "u_oflow", "v_oflow", "vbi_oflow",
"y_sync", "u_sync", "v_sync", "vbi_sync",
"opc_err", "par_err", "rip_err", "pci_abort",
};
static void cx8800_vid_irq(struct cx8800_dev *dev)
{
struct cx88_core *core = dev->core;
u32 status, mask, count;
status = cx_read(MO_VID_INTSTAT);
mask = cx_read(MO_VID_INTMSK);
if (0 == (status & mask))
return;
cx_write(MO_VID_INTSTAT, status);
if (irq_debug || (status & mask & ~0xff))
cx88_print_irqbits("irq vid",
cx88_vid_irqs, ARRAY_SIZE(cx88_vid_irqs),
status, mask);
/* risc op code error */
if (status & (1 << 16)) {
pr_warn("video risc op code error\n");
cx_clear(MO_VID_DMACNTRL, 0x11);
cx_clear(VID_CAPTURE_CONTROL, 0x06);
cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH21]);
}
/* risc1 y */
if (status & 0x01) {
spin_lock(&dev->slock);
count = cx_read(MO_VIDY_GPCNT);
cx88_wakeup(core, &dev->vidq, count);
spin_unlock(&dev->slock);
}
/* risc1 vbi */
if (status & 0x08) {
spin_lock(&dev->slock);
count = cx_read(MO_VBI_GPCNT);
cx88_wakeup(core, &dev->vbiq, count);
spin_unlock(&dev->slock);
}
}
static irqreturn_t cx8800_irq(int irq, void *dev_id)
{
struct cx8800_dev *dev = dev_id;
struct cx88_core *core = dev->core;
u32 status;
int loop, handled = 0;
for (loop = 0; loop < 10; loop++) {
status = cx_read(MO_PCI_INTSTAT) &
(core->pci_irqmask | PCI_INT_VIDINT);
if (status == 0)
goto out;
cx_write(MO_PCI_INTSTAT, status);
handled = 1;
if (status & core->pci_irqmask)
cx88_core_irq(core, status);
if (status & PCI_INT_VIDINT)
cx8800_vid_irq(dev);
}
if (loop == 10) {
pr_warn("irq loop -- clearing mask\n");
cx_write(MO_PCI_INTMSK, 0);
}
out:
return IRQ_RETVAL(handled);
}
/* ----------------------------------------------------------- */
/* exported stuff */
static const struct v4l2_file_operations video_fops = {
.owner = THIS_MODULE,
.open = v4l2_fh_open,
.release = vb2_fop_release,
.read = vb2_fop_read,
.poll = vb2_fop_poll,
.mmap = vb2_fop_mmap,
.unlocked_ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = vb2_ioctl_reqbufs,
.vidioc_querybuf = vb2_ioctl_querybuf,
.vidioc_qbuf = vb2_ioctl_qbuf,
.vidioc_dqbuf = vb2_ioctl_dqbuf,
.vidioc_g_std = vidioc_g_std,
.vidioc_s_std = vidioc_s_std,
.vidioc_enum_input = vidioc_enum_input,
.vidioc_g_input = vidioc_g_input,
.vidioc_s_input = vidioc_s_input,
.vidioc_streamon = vb2_ioctl_streamon,
.vidioc_streamoff = vb2_ioctl_streamoff,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
.vidioc_g_frequency = vidioc_g_frequency,
.vidioc_s_frequency = vidioc_s_frequency,
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = vidioc_g_register,
.vidioc_s_register = vidioc_s_register,
#endif
};
static const struct video_device cx8800_video_template = {
.name = "cx8800-video",
.fops = &video_fops,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = CX88_NORMS,
};
static const struct v4l2_ioctl_ops vbi_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_fmt_vbi_cap = cx8800_vbi_fmt,
.vidioc_try_fmt_vbi_cap = cx8800_vbi_fmt,
.vidioc_s_fmt_vbi_cap = cx8800_vbi_fmt,
.vidioc_reqbufs = vb2_ioctl_reqbufs,
.vidioc_querybuf = vb2_ioctl_querybuf,
.vidioc_qbuf = vb2_ioctl_qbuf,
.vidioc_dqbuf = vb2_ioctl_dqbuf,
.vidioc_g_std = vidioc_g_std,
.vidioc_s_std = vidioc_s_std,
.vidioc_enum_input = vidioc_enum_input,
.vidioc_g_input = vidioc_g_input,
.vidioc_s_input = vidioc_s_input,
.vidioc_streamon = vb2_ioctl_streamon,
.vidioc_streamoff = vb2_ioctl_streamoff,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
.vidioc_g_frequency = vidioc_g_frequency,
.vidioc_s_frequency = vidioc_s_frequency,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = vidioc_g_register,
.vidioc_s_register = vidioc_s_register,
#endif
};
static const struct video_device cx8800_vbi_template = {
.name = "cx8800-vbi",
.fops = &video_fops,
.ioctl_ops = &vbi_ioctl_ops,
.tvnorms = CX88_NORMS,
};
static const struct v4l2_file_operations radio_fops = {
.owner = THIS_MODULE,
.open = radio_open,
.poll = v4l2_ctrl_poll,
.release = v4l2_fh_release,
.unlocked_ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops radio_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_g_tuner = radio_g_tuner,
.vidioc_s_tuner = radio_s_tuner,
.vidioc_g_frequency = vidioc_g_frequency,
.vidioc_s_frequency = vidioc_s_frequency,
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = vidioc_g_register,
.vidioc_s_register = vidioc_s_register,
#endif
};
static const struct video_device cx8800_radio_template = {
.name = "cx8800-radio",
.fops = &radio_fops,
.ioctl_ops = &radio_ioctl_ops,
};
static const struct v4l2_ctrl_ops cx8800_ctrl_vid_ops = {
.s_ctrl = cx8800_s_vid_ctrl,
};
static const struct v4l2_ctrl_ops cx8800_ctrl_aud_ops = {
.s_ctrl = cx8800_s_aud_ctrl,
};
/* ----------------------------------------------------------- */
static void cx8800_unregister_video(struct cx8800_dev *dev)
{
video_unregister_device(&dev->radio_dev);
video_unregister_device(&dev->vbi_dev);
video_unregister_device(&dev->video_dev);
}
static int cx8800_initdev(struct pci_dev *pci_dev,
const struct pci_device_id *pci_id)
{
struct cx8800_dev *dev;
struct cx88_core *core;
struct vb2_queue *q;
int err;
int i;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
/* pci init */
dev->pci = pci_dev;
if (pci_enable_device(pci_dev)) {
err = -EIO;
goto fail_free;
}
core = cx88_core_get(dev->pci);
if (!core) {
err = -EINVAL;
goto fail_disable;
}
dev->core = core;
/* print pci info */
dev->pci_rev = pci_dev->revision;
pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
pr_info("found at %s, rev: %d, irq: %d, latency: %d, mmio: 0x%llx\n",
pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
dev->pci_lat,
(unsigned long long)pci_resource_start(pci_dev, 0));
pci_set_master(pci_dev);
err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
if (err) {
pr_err("Oops: no 32bit PCI DMA ???\n");
goto fail_core;
}
/* initialize driver struct */
spin_lock_init(&dev->slock);
/* init video dma queues */
INIT_LIST_HEAD(&dev->vidq.active);
/* init vbi dma queues */
INIT_LIST_HEAD(&dev->vbiq.active);
/* get irq */
err = request_irq(pci_dev->irq, cx8800_irq,
IRQF_SHARED, core->name, dev);
if (err < 0) {
pr_err("can't get IRQ %d\n", pci_dev->irq);
goto fail_core;
}
cx_set(MO_PCI_INTMSK, core->pci_irqmask);
for (i = 0; i < CX8800_AUD_CTLS; i++) {
const struct cx88_ctrl *cc = &cx8800_aud_ctls[i];
struct v4l2_ctrl *vc;
vc = v4l2_ctrl_new_std(&core->audio_hdl, &cx8800_ctrl_aud_ops,
cc->id, cc->minimum, cc->maximum,
cc->step, cc->default_value);
if (!vc) {
err = core->audio_hdl.error;
goto fail_irq;
}
vc->priv = (void *)cc;
}
for (i = 0; i < CX8800_VID_CTLS; i++) {
const struct cx88_ctrl *cc = &cx8800_vid_ctls[i];
struct v4l2_ctrl *vc;
vc = v4l2_ctrl_new_std(&core->video_hdl, &cx8800_ctrl_vid_ops,
cc->id, cc->minimum, cc->maximum,
cc->step, cc->default_value);
if (!vc) {
err = core->video_hdl.error;
goto fail_irq;
}
vc->priv = (void *)cc;
if (vc->id == V4L2_CID_CHROMA_AGC)
core->chroma_agc = vc;
}
v4l2_ctrl_add_handler(&core->video_hdl, &core->audio_hdl, NULL, false);
/* load and configure helper modules */
if (core->board.audio_chip == CX88_AUDIO_WM8775) {
struct i2c_board_info wm8775_info = {
.type = "wm8775",
.addr = 0x36 >> 1,
.platform_data = &core->wm8775_data,
};
struct v4l2_subdev *sd;
if (core->boardnr == CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1)
core->wm8775_data.is_nova_s = true;
else
core->wm8775_data.is_nova_s = false;
sd = v4l2_i2c_new_subdev_board(&core->v4l2_dev, &core->i2c_adap,
&wm8775_info, NULL);
if (sd) {
core->sd_wm8775 = sd;
sd->grp_id = WM8775_GID;
}
}
if (core->board.audio_chip == CX88_AUDIO_TVAUDIO) {
/*
* This probes for a tda9874 as is used on some
* Pixelview Ultra boards.
*/
v4l2_i2c_new_subdev(&core->v4l2_dev, &core->i2c_adap,
"tvaudio", 0, I2C_ADDRS(0xb0 >> 1));
}
switch (core->boardnr) {
case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD:
case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: {
static const struct i2c_board_info rtc_info = {
I2C_BOARD_INFO("isl1208", 0x6f)
};
request_module("rtc-isl1208");
core->i2c_rtc = i2c_new_device(&core->i2c_adap, &rtc_info);
}
/* fall-through */
case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO:
request_module("ir-kbd-i2c");
}
/* Sets device info at pci_dev */
pci_set_drvdata(pci_dev, dev);
dev->fmt = format_by_fourcc(V4L2_PIX_FMT_BGR24);
/* Maintain a reference so cx88-blackbird can query the 8800 device. */
core->v4ldev = dev;
/* initial device configuration */
mutex_lock(&core->lock);
cx88_set_tvnorm(core, V4L2_STD_NTSC_M);
v4l2_ctrl_handler_setup(&core->video_hdl);
v4l2_ctrl_handler_setup(&core->audio_hdl);
cx88_video_mux(core, 0);
q = &dev->vb2_vidq;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
q->gfp_flags = GFP_DMA32;
q->min_buffers_needed = 2;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct cx88_buffer);
q->ops = &cx8800_video_qops;
q->mem_ops = &vb2_dma_sg_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->lock = &core->lock;
q->dev = &dev->pci->dev;
err = vb2_queue_init(q);
if (err < 0)
goto fail_unreg;
q = &dev->vb2_vbiq;
q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
q->gfp_flags = GFP_DMA32;
q->min_buffers_needed = 2;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct cx88_buffer);
q->ops = &cx8800_vbi_qops;
q->mem_ops = &vb2_dma_sg_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->lock = &core->lock;
q->dev = &dev->pci->dev;
err = vb2_queue_init(q);
if (err < 0)
goto fail_unreg;
/* register v4l devices */
cx88_vdev_init(core, dev->pci, &dev->video_dev,
&cx8800_video_template, "video");
video_set_drvdata(&dev->video_dev, dev);
dev->video_dev.ctrl_handler = &core->video_hdl;
dev->video_dev.queue = &dev->vb2_vidq;
dev->video_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
V4L2_CAP_VIDEO_CAPTURE;
if (core->board.tuner_type != UNSET)
dev->video_dev.device_caps |= V4L2_CAP_TUNER;
err = video_register_device(&dev->video_dev, VFL_TYPE_GRABBER,
video_nr[core->nr]);
if (err < 0) {
pr_err("can't register video device\n");
goto fail_unreg;
}
pr_info("registered device %s [v4l2]\n",
video_device_node_name(&dev->video_dev));
cx88_vdev_init(core, dev->pci, &dev->vbi_dev,
&cx8800_vbi_template, "vbi");
video_set_drvdata(&dev->vbi_dev, dev);
dev->vbi_dev.queue = &dev->vb2_vbiq;
dev->vbi_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
V4L2_CAP_VBI_CAPTURE;
if (core->board.tuner_type != UNSET)
dev->vbi_dev.device_caps |= V4L2_CAP_TUNER;
err = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI,
vbi_nr[core->nr]);
if (err < 0) {
pr_err("can't register vbi device\n");
goto fail_unreg;
}
pr_info("registered device %s\n",
video_device_node_name(&dev->vbi_dev));
if (core->board.radio.type == CX88_RADIO) {
cx88_vdev_init(core, dev->pci, &dev->radio_dev,
&cx8800_radio_template, "radio");
video_set_drvdata(&dev->radio_dev, dev);
dev->radio_dev.ctrl_handler = &core->audio_hdl;
dev->radio_dev.device_caps = V4L2_CAP_RADIO | V4L2_CAP_TUNER;
err = video_register_device(&dev->radio_dev, VFL_TYPE_RADIO,
radio_nr[core->nr]);
if (err < 0) {
pr_err("can't register radio device\n");
goto fail_unreg;
}
pr_info("registered device %s\n",
video_device_node_name(&dev->radio_dev));
}
/* start tvaudio thread */
if (core->board.tuner_type != UNSET) {
core->kthread = kthread_run(cx88_audio_thread,
core, "cx88 tvaudio");
if (IS_ERR(core->kthread)) {
err = PTR_ERR(core->kthread);
pr_err("failed to create cx88 audio thread, err=%d\n",
err);
}
}
mutex_unlock(&core->lock);
return 0;
fail_unreg:
cx8800_unregister_video(dev);
mutex_unlock(&core->lock);
fail_irq:
free_irq(pci_dev->irq, dev);
fail_core:
core->v4ldev = NULL;
cx88_core_put(core, dev->pci);
fail_disable:
pci_disable_device(pci_dev);
fail_free:
kfree(dev);
return err;
}
static void cx8800_finidev(struct pci_dev *pci_dev)
{
struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
struct cx88_core *core = dev->core;
/* stop thread */
if (core->kthread) {
kthread_stop(core->kthread);
core->kthread = NULL;
}
if (core->ir)
cx88_ir_stop(core);
cx88_shutdown(core); /* FIXME */
/* unregister stuff */
free_irq(pci_dev->irq, dev);
cx8800_unregister_video(dev);
pci_disable_device(pci_dev);
core->v4ldev = NULL;
/* free memory */
cx88_core_put(core, dev->pci);
kfree(dev);
}
#ifdef CONFIG_PM
static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
{
struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
struct cx88_core *core = dev->core;
unsigned long flags;
/* stop video+vbi capture */
spin_lock_irqsave(&dev->slock, flags);
if (!list_empty(&dev->vidq.active)) {
pr_info("suspend video\n");
stop_video_dma(dev);
}
if (!list_empty(&dev->vbiq.active)) {
pr_info("suspend vbi\n");
cx8800_stop_vbi_dma(dev);
}
spin_unlock_irqrestore(&dev->slock, flags);
if (core->ir)
cx88_ir_stop(core);
/* FIXME -- shutdown device */
cx88_shutdown(core);
pci_save_state(pci_dev);
if (pci_set_power_state(pci_dev,
pci_choose_state(pci_dev, state)) != 0) {
pci_disable_device(pci_dev);
dev->state.disabled = 1;
}
return 0;
}
static int cx8800_resume(struct pci_dev *pci_dev)
{
struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
struct cx88_core *core = dev->core;
unsigned long flags;
int err;
if (dev->state.disabled) {
err = pci_enable_device(pci_dev);
if (err) {
pr_err("can't enable device\n");
return err;
}
dev->state.disabled = 0;
}
err = pci_set_power_state(pci_dev, PCI_D0);
if (err) {
pr_err("can't set power state\n");
pci_disable_device(pci_dev);
dev->state.disabled = 1;
return err;
}
pci_restore_state(pci_dev);
/* FIXME: re-initialize hardware */
cx88_reset(core);
if (core->ir)
cx88_ir_start(core);
cx_set(MO_PCI_INTMSK, core->pci_irqmask);
/* restart video+vbi capture */
spin_lock_irqsave(&dev->slock, flags);
if (!list_empty(&dev->vidq.active)) {
pr_info("resume video\n");
restart_video_queue(dev, &dev->vidq);
}
if (!list_empty(&dev->vbiq.active)) {
pr_info("resume vbi\n");
cx8800_restart_vbi_queue(dev, &dev->vbiq);
}
spin_unlock_irqrestore(&dev->slock, flags);
return 0;
}
#endif
/* ----------------------------------------------------------- */
static const struct pci_device_id cx8800_pci_tbl[] = {
{
.vendor = 0x14f1,
.device = 0x8800,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
}, {
/* --- end of list --- */
}
};
MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
static struct pci_driver cx8800_pci_driver = {
.name = "cx8800",
.id_table = cx8800_pci_tbl,
.probe = cx8800_initdev,
.remove = cx8800_finidev,
#ifdef CONFIG_PM
.suspend = cx8800_suspend,
.resume = cx8800_resume,
#endif
};
module_pci_driver(cx8800_pci_driver);
Reference in New Issue View Git Blame Copy Permalink