#include <media/cx2341x.h>
#include "cx23885.h"
+#include "cx23885-ioctl.h"
#define CX23885_FIRM_IMAGE_SIZE 376836
#define CX23885_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
}
}
-static int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value)
+int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value)
{
u32 regval;
return mc417_wait_ready(dev);
}
-static int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value)
+int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value)
{
int retval;
u32 regval;
.vidioc_log_status = vidioc_log_status,
.vidioc_querymenu = vidioc_querymenu,
.vidioc_queryctrl = vidioc_queryctrl,
+ .vidioc_g_chip_ident = cx23885_g_chip_ident,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .vidioc_g_register = cx23885_g_register,
+ .vidioc_s_register = cx23885_s_register,
+#endif
};
static struct video_device cx23885_mpeg_template = {
--- /dev/null
+/*
+ * Driver for the Conexant CX23885/7/8 PCIe bridge
+ *
+ * Various common ioctl() support functions
+ *
+ * Copyright (c) 2009 Andy Walls <awalls@radix.net>
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "cx23885.h"
+#include <media/v4l2-chip-ident.h>
+
+int cx23885_g_chip_ident(struct file *file, void *fh,
+ struct v4l2_dbg_chip_ident *chip)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
+ int err = 0;
+ u8 rev;
+
+ chip->ident = V4L2_IDENT_NONE;
+ chip->revision = 0;
+ switch (chip->match.type) {
+ case V4L2_CHIP_MATCH_HOST:
+ switch (chip->match.addr) {
+ case 0:
+ rev = cx_read(RDR_CFG2) & 0xff;
+ switch (dev->pci->device) {
+ case 0x8852:
+ /* rev 0x04 could be '885 or '888. Pick '888. */
+ if (rev == 0x04)
+ chip->ident = V4L2_IDENT_CX23888;
+ else
+ chip->ident = V4L2_IDENT_CX23885;
+ break;
+ case 0x8880:
+ if (rev == 0x0e || rev == 0x0f)
+ chip->ident = V4L2_IDENT_CX23887;
+ else
+ chip->ident = V4L2_IDENT_CX23888;
+ break;
+ default:
+ chip->ident = V4L2_IDENT_UNKNOWN;
+ break;
+ }
+ chip->revision = (dev->pci->device << 16) | (rev << 8) |
+ (dev->hwrevision & 0xff);
+ break;
+ case 1:
+ if (dev->v4l_device != NULL) {
+ chip->ident = V4L2_IDENT_CX23417;
+ chip->revision = 0;
+ }
+ break;
+ default:
+ err = -EINVAL; /* per V4L2 spec */
+ break;
+ }
+ break;
+ case V4L2_CHIP_MATCH_I2C_DRIVER:
+ /* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */
+ call_all(dev, core, g_chip_ident, chip);
+ break;
+ case V4L2_CHIP_MATCH_I2C_ADDR:
+ /*
+ * We could return V4L2_IDENT_UNKNOWN, but we don't do the work
+ * to look if a chip is at the address with no driver. That's a
+ * dangerous thing to do with EEPROMs anyway.
+ */
+ call_all(dev, core, g_chip_ident, chip);
+ break;
+ default:
+ err = -EINVAL;
+ break;
+ }
+ return err;
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int cx23885_g_host_register(struct cx23885_dev *dev,
+ struct v4l2_dbg_register *reg)
+{
+ if ((reg->reg & 0x3) != 0 || reg->reg >= pci_resource_len(dev->pci, 0))
+ return -EINVAL;
+
+ reg->size = 4;
+ reg->val = cx_read(reg->reg);
+ return 0;
+}
+
+static int cx23417_g_register(struct cx23885_dev *dev,
+ struct v4l2_dbg_register *reg)
+{
+ u32 value;
+
+ if (dev->v4l_device == NULL)
+ return -EINVAL;
+
+ if ((reg->reg & 0x3) != 0 || reg->reg >= 0x10000)
+ return -EINVAL;
+
+ if (mc417_register_read(dev, (u16) reg->reg, &value))
+ return -EINVAL; /* V4L2 spec, but -EREMOTEIO really */
+
+ reg->size = 4;
+ reg->val = value;
+ return 0;
+}
+
+int cx23885_g_register(struct file *file, void *fh,
+ struct v4l2_dbg_register *reg)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ if (reg->match.type == V4L2_CHIP_MATCH_HOST) {
+ switch (reg->match.addr) {
+ case 0:
+ return cx23885_g_host_register(dev, reg);
+ case 1:
+ return cx23417_g_register(dev, reg);
+ default:
+ break;
+ }
+ }
+
+ /* FIXME - any error returns should not be ignored */
+ call_all(dev, core, g_register, reg);
+ return 0;
+}
+
+static int cx23885_s_host_register(struct cx23885_dev *dev,
+ struct v4l2_dbg_register *reg)
+{
+ if ((reg->reg & 0x3) != 0 || reg->reg >= pci_resource_len(dev->pci, 0))
+ return -EINVAL;
+
+ reg->size = 4;
+ cx_write(reg->reg, reg->val);
+ return 0;
+}
+
+static int cx23417_s_register(struct cx23885_dev *dev,
+ struct v4l2_dbg_register *reg)
+{
+ if (dev->v4l_device == NULL)
+ return -EINVAL;
+
+ if ((reg->reg & 0x3) != 0 || reg->reg >= 0x10000)
+ return -EINVAL;
+
+ if (mc417_register_write(dev, (u16) reg->reg, (u32) reg->val))
+ return -EINVAL; /* V4L2 spec, but -EREMOTEIO really */
+
+ reg->size = 4;
+ return 0;
+}
+
+int cx23885_s_register(struct file *file, void *fh,
+ struct v4l2_dbg_register *reg)
+{
+ struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ if (reg->match.type == V4L2_CHIP_MATCH_HOST) {
+ switch (reg->match.addr) {
+ case 0:
+ return cx23885_s_host_register(dev, reg);
+ case 1:
+ return cx23417_s_register(dev, reg);
+ default:
+ break;
+ }
+ }
+
+ /* FIXME - any error returns should not be ignored */
+ call_all(dev, core, s_register, reg);
+ return 0;
+}
+#endif
--- /dev/null
+/*
+ * Driver for the Conexant CX23885/7/8 PCIe bridge
+ *
+ * Various common ioctl() support functions
+ *
+ * Copyright (c) 2009 Andy Walls <awalls@radix.net>
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _CX23885_IOCTL_H_
+#define _CX23885_IOCTL_H_
+
+int cx23885_g_chip_ident(struct file *file, void *fh,
+ struct v4l2_dbg_chip_ident *chip);
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+int cx23885_g_register(struct file *file, void *fh,
+ struct v4l2_dbg_register *reg);
+
+
+int cx23885_s_register(struct file *file, void *fh,
+ struct v4l2_dbg_register *reg);
+
+#endif
+#endif
#include "cx23885.h"
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
+#include "cx23885-ioctl.h"
MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
cx23885_set_freq(dev, f);
}
-#ifdef CONFIG_VIDEO_ADV_DEBUG
-static int vidioc_g_register(struct file *file, void *fh,
- struct v4l2_dbg_register *reg)
-{
- struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
-
- if (!v4l2_chip_match_host(®->match))
- return -EINVAL;
-
- call_all(dev, core, g_register, reg);
-
- return 0;
-}
-
-static int vidioc_s_register(struct file *file, void *fh,
- struct v4l2_dbg_register *reg)
-{
- struct cx23885_dev *dev = ((struct cx23885_fh *)fh)->dev;
-
- if (!v4l2_chip_match_host(®->match))
- return -EINVAL;
-
- call_all(dev, core, s_register, reg);
-
- return 0;
-}
-#endif
-
/* ----------------------------------------------------------- */
static void cx23885_vid_timeout(unsigned long data)
.vidioc_s_tuner = vidioc_s_tuner,
.vidioc_g_frequency = vidioc_g_frequency,
.vidioc_s_frequency = vidioc_s_frequency,
+ .vidioc_g_chip_ident = cx23885_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
- .vidioc_g_register = vidioc_g_register,
- .vidioc_s_register = vidioc_s_register,
+ .vidioc_g_register = cx23885_g_register,
+ .vidioc_s_register = cx23885_s_register,
#endif
};
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff