/*
hexium_gemini.c - v4l2 driver for Hexium Gemini frame grabber cards
-
+
Visit http://www.mihu.de/linux/saa7146/ and follow the link
to "hexium" for further details about this card.
-
+
Copyright (C) 2003 Michael Hunold <michael@mihu.de>
This program is free software; you can redistribute it and/or modify
#include <media/saa7146_vv.h>
-static int debug = 0;
+static int debug;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "debug verbosity");
/* global variables */
-static int hexium_num = 0;
+static int hexium_num;
#define HEXIUM_GEMINI 4
#define HEXIUM_GEMINI_DUAL 5
u8 byte;
};
-static struct saa7146_extension_ioctls ioctls[] = {
- { VIDIOC_G_INPUT, SAA7146_EXCLUSIVE },
- { VIDIOC_S_INPUT, SAA7146_EXCLUSIVE },
- { VIDIOC_QUERYCTRL, SAA7146_BEFORE },
- { VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE },
- { VIDIOC_S_STD, SAA7146_AFTER },
- { VIDIOC_G_CTRL, SAA7146_BEFORE },
- { VIDIOC_S_CTRL, SAA7146_BEFORE },
- { 0, 0 }
-};
-
#define HEXIUM_CONTROLS 1
static struct v4l2_queryctrl hexium_controls[] = {
{ V4L2_CID_PRIVATE_BASE, V4L2_CTRL_TYPE_BOOLEAN, "B/W", 0, 1, 1, 0, 0 },
struct video_device *video_dev;
struct i2c_adapter i2c_adapter;
-
+
int cur_input; /* current input */
v4l2_std_id cur_std; /* current standard */
int cur_bw; /* current black/white status */
.h_offset = 1, .h_pixels = 720,
.v_max_out = 576, .h_max_out = 768,
}
-};
+};
/* bring hardware to a sane state. this has to be done, just in case someone
wants to capture from this device before it has been properly initialized.
return 0;
}
+static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i)
+{
+ DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index));
+
+ if (i->index >= HEXIUM_INPUTS)
+ return -EINVAL;
+
+ memcpy(i, &hexium_inputs[i->index], sizeof(struct v4l2_input));
+
+ DEB_D(("v4l2_ioctl: VIDIOC_ENUMINPUT %d.\n", i->index));
+ return 0;
+}
+
+static int vidioc_g_input(struct file *file, void *fh, unsigned int *input)
+{
+ struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct hexium *hexium = (struct hexium *) dev->ext_priv;
+
+ *input = hexium->cur_input;
+
+ DEB_D(("VIDIOC_G_INPUT: %d\n", *input));
+ return 0;
+}
+
+static int vidioc_s_input(struct file *file, void *fh, unsigned int input)
+{
+ struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct hexium *hexium = (struct hexium *) dev->ext_priv;
+
+ DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
+
+ if (input >= HEXIUM_INPUTS)
+ return -EINVAL;
+
+ hexium->cur_input = input;
+ hexium_set_input(hexium, input);
+ return 0;
+}
+
+/* the saa7146 provides some controls (brightness, contrast, saturation)
+ which gets registered *after* this function. because of this we have
+ to return with a value != 0 even if the function succeded.. */
+static int vidioc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qc)
+{
+ struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ int i;
+
+ for (i = HEXIUM_CONTROLS - 1; i >= 0; i--) {
+ if (hexium_controls[i].id == qc->id) {
+ *qc = hexium_controls[i];
+ DEB_D(("VIDIOC_QUERYCTRL %d.\n", qc->id));
+ return 0;
+ }
+ }
+ return dev->ext_vv_data->core_ops->vidioc_queryctrl(file, fh, qc);
+}
+
+static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
+{
+ struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct hexium *hexium = (struct hexium *) dev->ext_priv;
+ int i;
+
+ for (i = HEXIUM_CONTROLS - 1; i >= 0; i--) {
+ if (hexium_controls[i].id == vc->id)
+ break;
+ }
+
+ if (i < 0)
+ return dev->ext_vv_data->core_ops->vidioc_g_ctrl(file, fh, vc);
+
+ if (vc->id == V4L2_CID_PRIVATE_BASE) {
+ vc->value = hexium->cur_bw;
+ DEB_D(("VIDIOC_G_CTRL BW:%d.\n", vc->value));
+ return 0;
+ }
+ return -EINVAL;
+}
+
+static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *vc)
+{
+ struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
+ struct hexium *hexium = (struct hexium *) dev->ext_priv;
+ int i = 0;
+
+ for (i = HEXIUM_CONTROLS - 1; i >= 0; i--) {
+ if (hexium_controls[i].id == vc->id)
+ break;
+ }
+
+ if (i < 0)
+ return dev->ext_vv_data->core_ops->vidioc_s_ctrl(file, fh, vc);
+
+ if (vc->id == V4L2_CID_PRIVATE_BASE)
+ hexium->cur_bw = vc->value;
+
+ DEB_D(("VIDIOC_S_CTRL BW:%d.\n", hexium->cur_bw));
+
+ if (0 == hexium->cur_bw && V4L2_STD_PAL == hexium->cur_std) {
+ hexium_set_standard(hexium, hexium_pal);
+ return 0;
+ }
+ if (0 == hexium->cur_bw && V4L2_STD_NTSC == hexium->cur_std) {
+ hexium_set_standard(hexium, hexium_ntsc);
+ return 0;
+ }
+ if (0 == hexium->cur_bw && V4L2_STD_SECAM == hexium->cur_std) {
+ hexium_set_standard(hexium, hexium_secam);
+ return 0;
+ }
+ if (1 == hexium->cur_bw && V4L2_STD_PAL == hexium->cur_std) {
+ hexium_set_standard(hexium, hexium_pal_bw);
+ return 0;
+ }
+ if (1 == hexium->cur_bw && V4L2_STD_NTSC == hexium->cur_std) {
+ hexium_set_standard(hexium, hexium_ntsc_bw);
+ return 0;
+ }
+ if (1 == hexium->cur_bw && V4L2_STD_SECAM == hexium->cur_std)
+ /* fixme: is there no bw secam mode? */
+ return -EINVAL;
+
+ return -EINVAL;
+}
+
+
static struct saa7146_ext_vv vv_data;
/* this function only gets called when the probing was successful */
static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
{
struct hexium *hexium = (struct hexium *) dev->ext_priv;
+ int ret;
DEB_EE((".\n"));
hexium->cur_input = 0;
saa7146_vv_init(dev, &vv_data);
- if (0 != saa7146_register_device(&hexium->video_dev, dev, "hexium gemini", VFL_TYPE_GRABBER)) {
+ vv_data.ops.vidioc_queryctrl = vidioc_queryctrl;
+ vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl;
+ vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl;
+ vv_data.ops.vidioc_enum_input = vidioc_enum_input;
+ vv_data.ops.vidioc_g_input = vidioc_g_input;
+ vv_data.ops.vidioc_s_input = vidioc_s_input;
+ ret = saa7146_register_device(&hexium->video_dev, dev, "hexium gemini", VFL_TYPE_GRABBER);
+ if (ret < 0) {
printk("hexium_gemini: cannot register capture v4l2 device. skipping.\n");
- return -1;
+ return ret;
}
printk("hexium_gemini: found 'hexium gemini' frame grabber-%d.\n", hexium_num);
return 0;
}
-static int hexium_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
-{
- struct saa7146_dev *dev = fh->dev;
- struct hexium *hexium = (struct hexium *) dev->ext_priv;
-/*
- struct saa7146_vv *vv = dev->vv_data;
-*/
- switch (cmd) {
- case VIDIOC_ENUMINPUT:
- {
- struct v4l2_input *i = arg;
- DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index));
-
- if (i->index < 0 || i->index >= HEXIUM_INPUTS) {
- return -EINVAL;
- }
-
- memcpy(i, &hexium_inputs[i->index], sizeof(struct v4l2_input));
-
- DEB_D(("v4l2_ioctl: VIDIOC_ENUMINPUT %d.\n", i->index));
- return 0;
- }
- case VIDIOC_G_INPUT:
- {
- int *input = (int *) arg;
- *input = hexium->cur_input;
-
- DEB_D(("VIDIOC_G_INPUT: %d\n", *input));
- return 0;
- }
- case VIDIOC_S_INPUT:
- {
- int input = *(int *) arg;
-
- DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
-
- if (input < 0 || input >= HEXIUM_INPUTS) {
- return -EINVAL;
- }
-
- hexium->cur_input = input;
- hexium_set_input(hexium, input);
-
- return 0;
- }
- /* the saa7146 provides some controls (brightness, contrast, saturation)
- which gets registered *after* this function. because of this we have
- to return with a value != 0 even if the function succeded.. */
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *qc = arg;
- int i;
-
- for (i = HEXIUM_CONTROLS - 1; i >= 0; i--) {
- if (hexium_controls[i].id == qc->id) {
- *qc = hexium_controls[i];
- DEB_D(("VIDIOC_QUERYCTRL %d.\n", qc->id));
- return 0;
- }
- }
- return -EAGAIN;
- }
- case VIDIOC_G_CTRL:
- {
- struct v4l2_control *vc = arg;
- int i;
-
- for (i = HEXIUM_CONTROLS - 1; i >= 0; i--) {
- if (hexium_controls[i].id == vc->id) {
- break;
- }
- }
-
- if (i < 0) {
- return -EAGAIN;
- }
-
- switch (vc->id) {
- case V4L2_CID_PRIVATE_BASE:{
- vc->value = hexium->cur_bw;
- DEB_D(("VIDIOC_G_CTRL BW:%d.\n", vc->value));
- return 0;
- }
- }
- return -EINVAL;
- }
-
- case VIDIOC_S_CTRL:
- {
- struct v4l2_control *vc = arg;
- int i = 0;
-
- for (i = HEXIUM_CONTROLS - 1; i >= 0; i--) {
- if (hexium_controls[i].id == vc->id) {
- break;
- }
- }
-
- if (i < 0) {
- return -EAGAIN;
- }
-
- switch (vc->id) {
- case V4L2_CID_PRIVATE_BASE:{
- hexium->cur_bw = vc->value;
- break;
- }
- }
-
- DEB_D(("VIDIOC_S_CTRL BW:%d.\n", hexium->cur_bw));
-
- if (0 == hexium->cur_bw && V4L2_STD_PAL == hexium->cur_std) {
- hexium_set_standard(hexium, hexium_pal);
- return 0;
- }
- if (0 == hexium->cur_bw && V4L2_STD_NTSC == hexium->cur_std) {
- hexium_set_standard(hexium, hexium_ntsc);
- return 0;
- }
- if (0 == hexium->cur_bw && V4L2_STD_SECAM == hexium->cur_std) {
- hexium_set_standard(hexium, hexium_secam);
- return 0;
- }
- if (1 == hexium->cur_bw && V4L2_STD_PAL == hexium->cur_std) {
- hexium_set_standard(hexium, hexium_pal_bw);
- return 0;
- }
- if (1 == hexium->cur_bw && V4L2_STD_NTSC == hexium->cur_std) {
- hexium_set_standard(hexium, hexium_ntsc_bw);
- return 0;
- }
- if (1 == hexium->cur_bw && V4L2_STD_SECAM == hexium->cur_std) {
- /* fixme: is there no bw secam mode? */
- return -EINVAL;
- }
-
- return -EINVAL;
- }
- default:
-/*
- DEB_D(("hexium_ioctl() does not handle this ioctl.\n"));
-*/
- return -ENOIOCTLCMD;
- }
- return 0;
-}
-
static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *std)
{
struct hexium *hexium = (struct hexium *) dev->ext_priv;
.stds = &hexium_standards[0],
.num_stds = sizeof(hexium_standards) / sizeof(struct saa7146_standard),
.std_callback = &std_callback,
- .ioctls = &ioctls[0],
- .ioctl = hexium_ioctl,
};
static struct saa7146_extension hexium_extension = {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff