diff options
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-ioctl.c')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-ioctl.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/drivers/media/video/cx23885/cx23885-ioctl.c b/drivers/media/video/cx23885/cx23885-ioctl.c deleted file mode 100644 index 44812ca7889..00000000000 --- a/drivers/media/video/cx23885/cx23885-ioctl.c +++ /dev/null @@ -1,208 +0,0 @@ -/* - * Driver for the Conexant CX23885/7/8 PCIe bridge - * - * Various common ioctl() support functions - * - * Copyright (c) 2009 Andy Walls <awalls@md.metrocast.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; - case 2: - /* - * The integrated IR controller on the CX23888 is - * host chip 2. It may not be used/initialized or sd_ir - * may be pointing at the cx25840 subdevice for the - * IR controller on the CX23885. Thus we find it - * without using the dev->sd_ir pointer. - */ - call_hw(dev, CX23885_HW_888_IR, core, g_chip_ident, - chip); - 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 |