diff options
| -rw-r--r-- | drivers/media/video/cx23885/Makefile | 1 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-417.c | 10 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-ioctl.c | 197 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-ioctl.h | 39 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-video.c | 34 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885.h | 4 |
6 files changed, 253 insertions, 32 deletions
diff --git a/drivers/media/video/cx23885/Makefile b/drivers/media/video/cx23885/Makefile index ab8ea35c9bfb..93a954c23f42 100644 --- a/drivers/media/video/cx23885/Makefile +++ b/drivers/media/video/cx23885/Makefile @@ -1,5 +1,6 @@ cx23885-objs := cx23885-cards.o cx23885-video.o cx23885-vbi.o \ cx23885-core.o cx23885-i2c.o cx23885-dvb.o cx23885-417.o \ + cx23885-ioctl.o \ netup-init.o cimax2.o netup-eeprom.o obj-$(CONFIG_VIDEO_CX23885) += cx23885.o diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c index 6c3b51ce3372..0eed852c61e9 100644 --- a/drivers/media/video/cx23885/cx23885-417.c +++ b/drivers/media/video/cx23885/cx23885-417.c @@ -37,6 +37,7 @@ #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" @@ -318,7 +319,7 @@ static int mc417_wait_ready(struct cx23885_dev *dev) } } -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; @@ -382,7 +383,7 @@ static int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value) 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; @@ -1724,6 +1725,11 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { .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 = { diff --git a/drivers/media/video/cx23885/cx23885-ioctl.c b/drivers/media/video/cx23885/cx23885-ioctl.c new file mode 100644 index 000000000000..3a497b6c4fd7 --- /dev/null +++ b/drivers/media/video/cx23885/cx23885-ioctl.c @@ -0,0 +1,197 @@ +/* + * 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 diff --git a/drivers/media/video/cx23885/cx23885-ioctl.h b/drivers/media/video/cx23885/cx23885-ioctl.h new file mode 100644 index 000000000000..80b0f4923c6a --- /dev/null +++ b/drivers/media/video/cx23885/cx23885-ioctl.h @@ -0,0 +1,39 @@ +/* + * 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 diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c index 654cc253cd50..3f1d07e6490a 100644 --- a/drivers/media/video/cx23885/cx23885-video.c +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -35,6 +35,7 @@ #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>"); @@ -1312,34 +1313,6 @@ static int vidioc_s_frequency(struct file *file, void *priv, 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) @@ -1449,9 +1422,10 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .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 }; diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index cc7a165561ff..f4c4108f23f3 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -515,6 +515,10 @@ extern void cx23885_417_check_encoder(struct cx23885_dev *dev); extern void cx23885_mc417_init(struct cx23885_dev *dev); extern int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value); extern int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value); +extern int mc417_register_read(struct cx23885_dev *dev, + u16 address, u32 *value); +extern int mc417_register_write(struct cx23885_dev *dev, + u16 address, u32 value); extern void mc417_gpio_set(struct cx23885_dev *dev, u32 mask); extern void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask); extern void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput); |