diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-ioctl.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-ioctl.c | 851 |
1 files changed, 851 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c new file mode 100644 index 000000000000..dbdcb86ec5aa --- /dev/null +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -0,0 +1,851 @@ +/* + * cx18 ioctl system call + * + * Derived from ivtv-ioctl.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * 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., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-version.h" +#include "cx18-mailbox.h" +#include "cx18-i2c.h" +#include "cx18-queue.h" +#include "cx18-fileops.h" +#include "cx18-vbi.h" +#include "cx18-audio.h" +#include "cx18-video.h" +#include "cx18-streams.h" +#include "cx18-ioctl.h" +#include "cx18-gpio.h" +#include "cx18-controls.h" +#include "cx18-cards.h" +#include "cx18-av-core.h" +#include <media/tveeprom.h> +#include <media/v4l2-chip-ident.h> +#include <linux/i2c-id.h> + +u16 cx18_service2vbi(int type) +{ + switch (type) { + case V4L2_SLICED_TELETEXT_B: + return CX18_SLICED_TYPE_TELETEXT_B; + case V4L2_SLICED_CAPTION_525: + return CX18_SLICED_TYPE_CAPTION_525; + case V4L2_SLICED_WSS_625: + return CX18_SLICED_TYPE_WSS_625; + case V4L2_SLICED_VPS: + return CX18_SLICED_TYPE_VPS; + default: + return 0; + } +} + +static int valid_service_line(int field, int line, int is_pal) +{ + return (is_pal && line >= 6 && (line != 23 || field == 0)) || + (!is_pal && line >= 10 && line < 22); +} + +static u16 select_service_from_set(int field, int line, u16 set, int is_pal) +{ + u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525); + int i; + + set = set & valid_set; + if (set == 0 || !valid_service_line(field, line, is_pal)) + return 0; + if (!is_pal) { + if (line == 21 && (set & V4L2_SLICED_CAPTION_525)) + return V4L2_SLICED_CAPTION_525; + } else { + if (line == 16 && field == 0 && (set & V4L2_SLICED_VPS)) + return V4L2_SLICED_VPS; + if (line == 23 && field == 0 && (set & V4L2_SLICED_WSS_625)) + return V4L2_SLICED_WSS_625; + if (line == 23) + return 0; + } + for (i = 0; i < 32; i++) { + if ((1 << i) & set) + return 1 << i; + } + return 0; +} + +void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) +{ + u16 set = fmt->service_set; + int f, l; + + fmt->service_set = 0; + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) + fmt->service_lines[f][l] = select_service_from_set(f, l, set, is_pal); + } +} + +static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) +{ + int f, l; + u16 set = 0; + + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) { + fmt->service_lines[f][l] = select_service_from_set(f, l, fmt->service_lines[f][l], is_pal); + set |= fmt->service_lines[f][l]; + } + } + return set != 0; +} + +u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt) +{ + int f, l; + u16 set = 0; + + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) + set |= fmt->service_lines[f][l]; + } + return set; +} + +static const struct { + v4l2_std_id std; + char *name; +} enum_stds[] = { + { V4L2_STD_PAL_BG | V4L2_STD_PAL_H, "PAL-BGH" }, + { V4L2_STD_PAL_DK, "PAL-DK" }, + { V4L2_STD_PAL_I, "PAL-I" }, + { V4L2_STD_PAL_M, "PAL-M" }, + { V4L2_STD_PAL_N, "PAL-N" }, + { V4L2_STD_PAL_Nc, "PAL-Nc" }, + { V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H, "SECAM-BGH" }, + { V4L2_STD_SECAM_DK, "SECAM-DK" }, + { V4L2_STD_SECAM_L, "SECAM-L" }, + { V4L2_STD_SECAM_LC, "SECAM-L'" }, + { V4L2_STD_NTSC_M, "NTSC-M" }, + { V4L2_STD_NTSC_M_JP, "NTSC-J" }, + { V4L2_STD_NTSC_M_KR, "NTSC-K" }, +}; + +static const struct v4l2_standard cx18_std_60hz = { + .frameperiod = {.numerator = 1001, .denominator = 30000}, + .framelines = 525, +}; + +static const struct v4l2_standard cx18_std_50hz = { + .frameperiod = { .numerator = 1, .denominator = 25 }, + .framelines = 625, +}; + +static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg) +{ + struct v4l2_register *regs = arg; + unsigned long flags; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + if (regs->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE) + return -EINVAL; + + spin_lock_irqsave(&cx18_cards_lock, flags); + if (cmd == VIDIOC_DBG_G_REGISTER) + regs->val = read_enc(regs->reg); + else + write_enc(regs->val, regs->reg); + spin_unlock_irqrestore(&cx18_cards_lock, flags); + return 0; +} + +static int cx18_get_fmt(struct cx18 *cx, int streamtype, struct v4l2_format *fmt) +{ + switch (fmt->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + fmt->fmt.pix.width = cx->params.width; + fmt->fmt.pix.height = cx->params.height; + fmt->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; + fmt->fmt.pix.field = V4L2_FIELD_INTERLACED; + if (streamtype == CX18_ENC_STREAM_TYPE_YUV) { + fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_HM12; + /* YUV size is (Y=(h*w) + UV=(h*(w/2))) */ + fmt->fmt.pix.sizeimage = + fmt->fmt.pix.height * fmt->fmt.pix.width + + fmt->fmt.pix.height * (fmt->fmt.pix.width / 2); + } else { + fmt->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; + fmt->fmt.pix.sizeimage = 128 * 1024; + } + break; + + case V4L2_BUF_TYPE_VBI_CAPTURE: + fmt->fmt.vbi.sampling_rate = 27000000; + fmt->fmt.vbi.offset = 248; + fmt->fmt.vbi.samples_per_line = cx->vbi.raw_decoder_line_size - 4; + fmt->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY; + fmt->fmt.vbi.start[0] = cx->vbi.start[0]; + fmt->fmt.vbi.start[1] = cx->vbi.start[1]; + fmt->fmt.vbi.count[0] = fmt->fmt.vbi.count[1] = cx->vbi.count; + break; + + case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: + { + struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; + + vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; + memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved)); + memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines)); + + cx18_av_cmd(cx, VIDIOC_G_FMT, fmt); + vbifmt->service_set = cx18_get_service_set(vbifmt); + break; + } + default: + return -EINVAL; + } + return 0; +} + +static int cx18_try_or_set_fmt(struct cx18 *cx, int streamtype, + struct v4l2_format *fmt, int set_fmt) +{ + struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; + u16 set; + + /* set window size */ + if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + int w = fmt->fmt.pix.width; + int h = fmt->fmt.pix.height; + + if (w > 720) + w = 720; + else if (w < 1) + w = 1; + if (h > (cx->is_50hz ? 576 : 480)) + h = (cx->is_50hz ? 576 : 480); + else if (h < 2) + h = 2; + cx18_get_fmt(cx, streamtype, fmt); + fmt->fmt.pix.width = w; + fmt->fmt.pix.height = h; + + if (!set_fmt || (cx->params.width == w && cx->params.height == h)) + return 0; + if (atomic_read(&cx->capturing) > 0) + return -EBUSY; + + cx->params.width = w; + cx->params.height = h; + if (w != 720 || h != (cx->is_50hz ? 576 : 480)) + cx->params.video_temporal_filter = 0; + else + cx->params.video_temporal_filter = 8; + cx18_av_cmd(cx, VIDIOC_S_FMT, fmt); + return cx18_get_fmt(cx, streamtype, fmt); + } + + /* set raw VBI format */ + if (fmt->type == V4L2_BUF_TYPE_VBI_CAPTURE) { + if (set_fmt && streamtype == CX18_ENC_STREAM_TYPE_VBI && + cx->vbi.sliced_in->service_set && + atomic_read(&cx->capturing) > 0) + return -EBUSY; + if (set_fmt) { + cx->vbi.sliced_in->service_set = 0; + cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in); + } + return cx18_get_fmt(cx, streamtype, fmt); + } + + /* any else but sliced VBI capture is an error */ + if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) + return -EINVAL; + + /* TODO: implement sliced VBI, for now silently return 0 */ + return 0; + + /* set sliced VBI capture format */ + vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; + memset(vbifmt->reserved, 0, sizeof(vbifmt->reserved)); + + if (vbifmt->service_set) + cx18_expand_service_set(vbifmt, cx->is_50hz); + set = check_service_set(vbifmt, cx->is_50hz); + vbifmt->service_set = cx18_get_service_set(vbifmt); + + if (!set_fmt) + return 0; + if (set == 0) + return -EINVAL; + if (atomic_read(&cx->capturing) > 0 && cx->vbi.sliced_in->service_set == 0) + return -EBUSY; + cx18_av_cmd(cx, VIDIOC_S_FMT, fmt); + memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in)); + return 0; +} + +static int cx18_debug_ioctls(struct file *filp, unsigned int cmd, void *arg) +{ + struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data; + struct cx18 *cx = id->cx; + struct v4l2_register *reg = arg; + + switch (cmd) { + /* ioctls to allow direct access to the encoder registers for testing */ + case VIDIOC_DBG_G_REGISTER: + if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) + return cx18_cxc(cx, cmd, arg); + if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) + return cx18_i2c_id(cx, reg->match_chip, cmd, arg); + return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg); + + case VIDIOC_DBG_S_REGISTER: + if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) + return cx18_cxc(cx, cmd, arg); + if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) + return cx18_i2c_id(cx, reg->match_chip, cmd, arg); + return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg); + + case VIDIOC_G_CHIP_IDENT: { + struct v4l2_chip_ident *chip = arg; + + chip->ident = V4L2_IDENT_NONE; + chip->revision = 0; + if (reg->match_type == V4L2_CHIP_MATCH_HOST) { + if (v4l2_chip_match_host(reg->match_type, reg->match_chip)) { + struct v4l2_chip_ident *chip = arg; + + chip->ident = V4L2_IDENT_CX23418; + } + return 0; + } + if (reg->match_type == V4L2_CHIP_MATCH_I2C_DRIVER) + return cx18_i2c_id(cx, reg->match_chip, cmd, arg); + if (reg->match_type == V4L2_CHIP_MATCH_I2C_ADDR) + return cx18_call_i2c_client(cx, reg->match_chip, cmd, arg); + return -EINVAL; + } + + case VIDIOC_INT_S_AUDIO_ROUTING: { + struct v4l2_routing *route = arg; + + cx18_audio_set_route(cx, route); + break; + } + + default: + return -EINVAL; + } + return 0; +} + +int cx18_v4l2_ioctls(struct cx18 *cx, struct file *filp, unsigned cmd, void *arg) +{ + struct cx18_open_id *id = NULL; + + if (filp) + id = (struct cx18_open_id *)filp->private_data; + + switch (cmd) { + case VIDIOC_G_PRIORITY: + { + enum v4l2_priority *p = arg; + + *p = v4l2_prio_max(&cx->prio); + break; + } + + case VIDIOC_S_PRIORITY: + { + enum v4l2_priority *prio = arg; + + return v4l2_prio_change(&cx->prio, &id->prio, *prio); + } + + case VIDIOC_QUERYCAP:{ + struct v4l2_capability *vcap = arg; + + memset(vcap, 0, sizeof(*vcap)); + strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver)); + strlcpy(vcap->card, cx->card_name, sizeof(vcap->card)); + strlcpy(vcap->bus_info, pci_name(cx->dev), sizeof(vcap->bus_info)); + vcap->version = CX18_DRIVER_VERSION; /* version */ + vcap->capabilities = cx->v4l2_cap; /* capabilities */ + + /* reserved.. must set to 0! */ + vcap->reserved[0] = vcap->reserved[1] = + vcap->reserved[2] = vcap->reserved[3] = 0; + break; + } + + case VIDIOC_ENUMAUDIO:{ + struct v4l2_audio *vin = arg; + + return cx18_get_audio_input(cx, vin->index, vin); + } + + case VIDIOC_G_AUDIO:{ + struct v4l2_audio *vin = arg; + + vin->index = cx->audio_input; + return cx18_get_audio_input(cx, vin->index, vin); + } + + case VIDIOC_S_AUDIO:{ + struct v4l2_audio *vout = arg; + + if (vout->index >= cx->nof_audio_inputs) + return -EINVAL; + cx->audio_input = vout->index; + cx18_audio_set_io(cx); + break; + } + + case VIDIOC_ENUMINPUT:{ + struct v4l2_input *vin = arg; + + /* set it to defaults from our table */ + return cx18_get_input(cx, vin->index, vin); + } + + case VIDIOC_TRY_FMT: + case VIDIOC_S_FMT: { + struct v4l2_format *fmt = arg; + + return cx18_try_or_set_fmt(cx, id->type, fmt, cmd == VIDIOC_S_FMT); + } + + case VIDIOC_G_FMT: { + struct v4l2_format *fmt = arg; + int type = fmt->type; + + memset(fmt, 0, sizeof(*fmt)); + fmt->type = type; + return cx18_get_fmt(cx, id->type, fmt); + } + + case VIDIOC_CROPCAP: { + struct v4l2_cropcap *cropcap = arg; + + if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + cropcap->bounds.top = cropcap->bounds.left = 0; + cropcap->bounds.width = 720; + cropcap->bounds.height = cx->is_50hz ? 576 : 480; + cropcap->pixelaspect.numerator = cx->is_50hz ? 59 : 10; + cropcap->pixelaspect.denominator = cx->is_50hz ? 54 : 11; + cropcap->defrect = cropcap->bounds; + return 0; + } + + case VIDIOC_S_CROP: { + struct v4l2_crop *crop = arg; + + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + return cx18_av_cmd(cx, VIDIOC_S_CROP, arg); + } + + case VIDIOC_G_CROP: { + struct v4l2_crop *crop = arg; + + if (crop->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + return cx18_av_cmd(cx, VIDIOC_G_CROP, arg); + } + + case VIDIOC_ENUM_FMT: { + static struct v4l2_fmtdesc formats[] = { + { 0, 0, 0, + "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, + { 0, 0, 0, 0 } + }, + { 1, 0, V4L2_FMT_FLAG_COMPRESSED, + "MPEG", V4L2_PIX_FMT_MPEG, + { 0, 0, 0, 0 } + } + }; + struct v4l2_fmtdesc *fmt = arg; + enum v4l2_buf_type type = fmt->type; + + switch (type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + break; + default: + return -EINVAL; + } + if (fmt->index > 1) + return -EINVAL; + *fmt = formats[fmt->index]; + fmt->type = type; + return 0; + } + + case VIDIOC_G_INPUT:{ + *(int *)arg = cx->active_input; + break; + } + + case VIDIOC_S_INPUT:{ + int inp = *(int *)arg; + + if (inp < 0 || inp >= cx->nof_inputs) + return -EINVAL; + + if (inp == cx->active_input) { + CX18_DEBUG_INFO("Input unchanged\n"); + break; + } + CX18_DEBUG_INFO("Changing input from %d to %d\n", + cx->active_input, inp); + + cx->active_input = inp; + /* Set the audio input to whatever is appropriate for the + input type. */ + cx->audio_input = cx->card->video_inputs[inp].audio_index; + + /* prevent others from messing with the streams until + we're finished changing inputs. */ + cx18_mute(cx); + cx18_video_set_io(cx); + cx18_audio_set_io(cx); + cx18_unmute(cx); + break; + } + + case VIDIOC_G_FREQUENCY:{ + struct v4l2_frequency *vf = arg; + + if (vf->tuner != 0) + return -EINVAL; + cx18_call_i2c_clients(cx, cmd, arg); + break; + } + + case VIDIOC_S_FREQUENCY:{ + struct v4l2_frequency vf = *(struct v4l2_frequency *)arg; + + if (vf.tuner != 0) + return -EINVAL; + + cx18_mute(cx); + CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf.frequency); + cx18_call_i2c_clients(cx, cmd, &vf); + cx18_unmute(cx); + break; + } + + case VIDIOC_ENUMSTD:{ + struct v4l2_standard *vs = arg; + int idx = vs->index; + + if (idx < 0 || idx >= ARRAY_SIZE(enum_stds)) + return -EINVAL; + + *vs = (enum_stds[idx].std & V4L2_STD_525_60) ? + cx18_std_60hz : cx18_std_50hz; + vs->index = idx; + vs->id = enum_stds[idx].std; + strlcpy(vs->name, enum_stds[idx].name, sizeof(vs->name)); + break; + } + + case VIDIOC_G_STD:{ + *(v4l2_std_id *) arg = cx->std; + break; + } + + case VIDIOC_S_STD: { + v4l2_std_id std = *(v4l2_std_id *) arg; + + if ((std & V4L2_STD_ALL) == 0) + return -EINVAL; + + if (std == cx->std) + break; + + if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) || + atomic_read(&cx->capturing) > 0) { + /* Switching standard would turn off the radio or mess + with already running streams, prevent that by + returning EBUSY. */ + return -EBUSY; + } + + cx->std = std; + cx->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0; + cx->params.is_50hz = cx->is_50hz = !cx->is_60hz; + cx->params.width = 720; + cx->params.height = cx->is_50hz ? 576 : 480; + cx->vbi.count = cx->is_50hz ? 18 : 12; + cx->vbi.start[0] = cx->is_50hz ? 6 : 10; + cx->vbi.start[1] = cx->is_50hz ? 318 : 273; + cx->vbi.sliced_decoder_line_size = cx->is_60hz ? 272 : 284; + CX18_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long)cx->std); + + /* Tuner */ + cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std); + break; + } + + case VIDIOC_S_TUNER: { /* Setting tuner can only set audio mode */ + struct v4l2_tuner *vt = arg; + + if (vt->index != 0) + return -EINVAL; + + cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt); + break; + } + + case VIDIOC_G_TUNER: { + struct v4l2_tuner *vt = arg; + + if (vt->index != 0) + return -EINVAL; + + memset(vt, 0, sizeof(*vt)); + cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt); + + if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) { + strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name)); + vt->type = V4L2_TUNER_RADIO; + } else { + strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name)); + vt->type = V4L2_TUNER_ANALOG_TV; + } + break; + } + + case VIDIOC_G_SLICED_VBI_CAP: { + struct v4l2_sliced_vbi_cap *cap = arg; + int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525; + int f, l; + enum v4l2_buf_type type = cap->type; + + memset(cap, 0, sizeof(*cap)); + cap->type = type; + if (type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) { + if (valid_service_line(f, l, cx->is_50hz)) + cap->service_lines[f][l] = set; + } + } + return 0; + } + return -EINVAL; + } + + case VIDIOC_ENCODER_CMD: + case VIDIOC_TRY_ENCODER_CMD: { + struct v4l2_encoder_cmd *enc = arg; + int try = cmd == VIDIOC_TRY_ENCODER_CMD; + + memset(&enc->raw, 0, sizeof(enc->raw)); + switch (enc->cmd) { + case V4L2_ENC_CMD_START: + enc->flags = 0; + if (try) + return 0; + return cx18_start_capture(id); + + case V4L2_ENC_CMD_STOP: + enc->flags &= V4L2_ENC_CMD_STOP_AT_GOP_END; + if (try) + return 0; + cx18_stop_capture(id, enc->flags & V4L2_ENC_CMD_STOP_AT_GOP_END); + return 0; + + case V4L2_ENC_CMD_PAUSE: + enc->flags = 0; + if (try) + return 0; + if (!atomic_read(&cx->capturing)) + return -EPERM; + if (test_and_set_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) + return 0; + cx18_mute(cx); + cx18_vapi(cx, CX18_CPU_CAPTURE_PAUSE, 1, cx18_find_handle(cx)); + break; + + case V4L2_ENC_CMD_RESUME: + enc->flags = 0; + if (try) + return 0; + if (!atomic_read(&cx->capturing)) + return -EPERM; + if (!test_and_clear_bit(CX18_F_I_ENC_PAUSED, &cx->i_flags)) + return 0; + cx18_vapi(cx, CX18_CPU_CAPTURE_RESUME, 1, cx18_find_handle(cx)); + cx18_unmute(cx); + break; + default: + return -EINVAL; + } + break; + } + + case VIDIOC_LOG_STATUS: + { + struct v4l2_input vidin; + struct v4l2_audio audin; + int i; + + CX18_INFO("================= START STATUS CARD #%d =================\n", cx->num); + if (cx->hw_flags & CX18_HW_TVEEPROM) { + struct tveeprom tv; + + cx18_read_eeprom(cx, &tv); + } + cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL); + cx18_get_input(cx, cx->active_input, &vidin); + cx18_get_audio_input(cx, cx->audio_input, &audin); + CX18_INFO("Video Input: %s\n", vidin.name); + CX18_INFO("Audio Input: %s\n", audin.name); + CX18_INFO("Tuner: %s\n", + test_bit(CX18_F_I_RADIO_USER, &cx->i_flags) ? + "Radio" : "TV"); + cx2341x_log_status(&cx->params, cx->name); + CX18_INFO("Status flags: 0x%08lx\n", cx->i_flags); + for (i = 0; i < CX18_MAX_STREAMS; i++) { + struct cx18_stream *s = &cx->streams[i]; + + if (s->v4l2dev == NULL || s->buffers == 0) + continue; + CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", + s->name, s->s_flags, + (s->buffers - s->q_free.buffers) * 100 / s->buffers, + (s->buffers * s->buf_size) / 1024, s->buffers); + } + CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n", + (long long)cx->mpg_data_received, + (long long)cx->vbi_data_inserted); + CX18_INFO("================== END STATUS CARD #%d ==================\n", cx->num); + break; + } + + default: + return -EINVAL; + } + return 0; +} + +static int cx18_v4l2_do_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, void *arg) +{ + struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data; + struct cx18 *cx = id->cx; + int ret; + + /* check priority */ + switch (cmd) { + case VIDIOC_S_CTRL: + case VIDIOC_S_STD: + case VIDIOC_S_INPUT: + case VIDIOC_S_TUNER: + case VIDIOC_S_FREQUENCY: + case VIDIOC_S_FMT: + case VIDIOC_S_CROP: + case VIDIOC_S_EXT_CTRLS: + ret = v4l2_prio_check(&cx->prio, &id->prio); + if (ret) + return ret; + } + + switch (cmd) { + case VIDIOC_DBG_G_REGISTER: + case VIDIOC_DBG_S_REGISTER: + case VIDIOC_G_CHIP_IDENT: + case VIDIOC_INT_S_AUDIO_ROUTING: + case VIDIOC_INT_RESET: + if (cx18_debug & CX18_DBGFLG_IOCTL) { + printk(KERN_INFO "cx18%d ioctl: ", cx->num); + v4l_printk_ioctl(cmd); + } + return cx18_debug_ioctls(filp, cmd, arg); + + case VIDIOC_G_PRIORITY: + case VIDIOC_S_PRIORITY: + case VIDIOC_QUERYCAP: + case VIDIOC_ENUMINPUT: + case VIDIOC_G_INPUT: + case VIDIOC_S_INPUT: + case VIDIOC_G_FMT: + case VIDIOC_S_FMT: + case VIDIOC_TRY_FMT: + case VIDIOC_ENUM_FMT: + case VIDIOC_CROPCAP: + case VIDIOC_G_CROP: + case VIDIOC_S_CROP: + case VIDIOC_G_FREQUENCY: + case VIDIOC_S_FREQUENCY: + case VIDIOC_ENUMSTD: + case VIDIOC_G_STD: + case VIDIOC_S_STD: + case VIDIOC_S_TUNER: + case VIDIOC_G_TUNER: + case VIDIOC_ENUMAUDIO: + case VIDIOC_S_AUDIO: + case VIDIOC_G_AUDIO: + case VIDIOC_G_SLICED_VBI_CAP: + case VIDIOC_LOG_STATUS: + case VIDIOC_G_ENC_INDEX: + case VIDIOC_ENCODER_CMD: + case VIDIOC_TRY_ENCODER_CMD: + if (cx18_debug & CX18_DBGFLG_IOCTL) { + printk(KERN_INFO "cx18%d ioctl: ", cx->num); + v4l_printk_ioctl(cmd); + } + return cx18_v4l2_ioctls(cx, filp, cmd, arg); + + case VIDIOC_QUERYMENU: + case VIDIOC_QUERYCTRL: + case VIDIOC_S_CTRL: + case VIDIOC_G_CTRL: + case VIDIOC_S_EXT_CTRLS: + case VIDIOC_G_EXT_CTRLS: + case VIDIOC_TRY_EXT_CTRLS: + if (cx18_debug & CX18_DBGFLG_IOCTL) { + printk(KERN_INFO "cx18%d ioctl: ", cx->num); + v4l_printk_ioctl(cmd); + } + return cx18_control_ioctls(cx, cmd, arg); + + case 0x00005401: /* Handle isatty() calls */ + return -EINVAL; + default: + return v4l_compat_translate_ioctl(inode, filp, cmd, arg, + cx18_v4l2_do_ioctl); + } + return 0; +} + +int cx18_v4l2_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + struct cx18_open_id *id = (struct cx18_open_id *)filp->private_data; + struct cx18 *cx = id->cx; + int res; + + mutex_lock(&cx->serialize_lock); + res = video_usercopy(inode, filp, cmd, arg, cx18_v4l2_do_ioctl); + mutex_unlock(&cx->serialize_lock); + return res; +} |