diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-ioctl.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-ioctl.c | 78 |
1 files changed, 59 insertions, 19 deletions
diff --git a/drivers/media/video/cx18/cx18-ioctl.c b/drivers/media/video/cx18/cx18-ioctl.c index 0ddf4dd5530..13ebd4a70f0 100644 --- a/drivers/media/video/cx18/cx18-ioctl.c +++ b/drivers/media/video/cx18/cx18-ioctl.c @@ -372,15 +372,52 @@ static int cx18_g_chip_ident(struct file *file, void *fh, struct v4l2_dbg_chip_ident *chip) { struct cx18 *cx = ((struct cx18_open_id *)fh)->cx; + int err = 0; chip->ident = V4L2_IDENT_NONE; chip->revision = 0; - if (v4l2_chip_match_host(&chip->match)) { - chip->ident = V4L2_IDENT_CX23418; - return 0; + switch (chip->match.type) { + case V4L2_CHIP_MATCH_HOST: + switch (chip->match.addr) { + case 0: + chip->ident = V4L2_IDENT_CX23418; + chip->revision = cx18_read_reg(cx, 0xC72028); + break; + case 1: + /* + * The A/V decoder is always present, but in the rare + * case that the card doesn't have analog, we don't + * use it. We find it w/o using the cx->sd_av pointer + */ + cx18_call_hw(cx, CX18_HW_418_AV, + core, g_chip_ident, chip); + break; + default: + /* + * Could return ident = V4L2_IDENT_UNKNOWN if we had + * other host chips at higher addresses, but we don't + */ + err = -EINVAL; /* per V4L2 spec */ + break; + } + break; + case V4L2_CHIP_MATCH_I2C_DRIVER: + /* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */ + cx18_call_all(cx, 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. + */ + cx18_call_all(cx, core, g_chip_ident, chip); + break; + default: + err = -EINVAL; + break; } - cx18_call_i2c_clients(cx, VIDIOC_DBG_G_CHIP_IDENT, chip); - return 0; + return err; } #ifdef CONFIG_VIDEO_ADV_DEBUG @@ -394,10 +431,10 @@ static int cx18_cxc(struct cx18 *cx, unsigned int cmd, void *arg) return -EINVAL; regs->size = 4; - if (cmd == VIDIOC_DBG_G_REGISTER) - regs->val = cx18_read_enc(cx, regs->reg); - else + if (cmd == VIDIOC_DBG_S_REGISTER) cx18_write_enc(cx, regs->val, regs->reg); + else + regs->val = cx18_read_enc(cx, regs->reg); return 0; } @@ -408,7 +445,8 @@ static int cx18_g_register(struct file *file, void *fh, if (v4l2_chip_match_host(®->match)) return cx18_cxc(cx, VIDIOC_DBG_G_REGISTER, reg); - cx18_call_i2c_clients(cx, VIDIOC_DBG_G_REGISTER, reg); + /* FIXME - errors shouldn't be ignored */ + cx18_call_all(cx, core, g_register, reg); return 0; } @@ -419,7 +457,8 @@ static int cx18_s_register(struct file *file, void *fh, if (v4l2_chip_match_host(®->match)) return cx18_cxc(cx, VIDIOC_DBG_S_REGISTER, reg); - cx18_call_i2c_clients(cx, VIDIOC_DBG_S_REGISTER, reg); + /* FIXME - errors shouldn't be ignored */ + cx18_call_all(cx, core, s_register, reg); return 0; } #endif @@ -598,7 +637,7 @@ static int cx18_g_frequency(struct file *file, void *fh, if (vf->tuner != 0) return -EINVAL; - cx18_call_i2c_clients(cx, VIDIOC_G_FREQUENCY, vf); + cx18_call_all(cx, tuner, g_frequency, vf); return 0; } @@ -617,7 +656,7 @@ int cx18_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf) cx18_mute(cx); CX18_DEBUG_INFO("v4l2 ioctl: set frequency %d\n", vf->frequency); - cx18_call_i2c_clients(cx, VIDIOC_S_FREQUENCY, vf); + cx18_call_all(cx, tuner, s_frequency, vf); cx18_unmute(cx); return 0; } @@ -666,7 +705,7 @@ int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std) (unsigned long long) cx->std); /* Tuner */ - cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std); + cx18_call_all(cx, tuner, s_std, cx->std); return 0; } @@ -683,9 +722,7 @@ static int cx18_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) if (vt->index != 0) return -EINVAL; - /* Setting tuner can only set audio mode */ - cx18_call_i2c_clients(cx, VIDIOC_S_TUNER, vt); - + cx18_call_all(cx, tuner, s_tuner, vt); return 0; } @@ -696,7 +733,7 @@ static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) if (vt->index != 0) return -EINVAL; - cx18_call_i2c_clients(cx, VIDIOC_G_TUNER, vt); + cx18_call_all(cx, tuner, g_tuner, vt); if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) { strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name)); @@ -853,7 +890,7 @@ static int cx18_log_status(struct file *file, void *fh) cx18_read_eeprom(cx, &tv); } - cx18_call_i2c_clients(cx, VIDIOC_LOG_STATUS, NULL); + cx18_call_all(cx, core, log_status); 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); @@ -894,7 +931,8 @@ static long cx18_default(struct file *file, void *fh, int cmd, void *arg) CX18_DEBUG_IOCTL("VIDIOC_INT_S_AUDIO_ROUTING(%d, %d)\n", route->input, route->output); - cx18_audio_set_route(cx, route); + cx18_call_hw(cx, cx->card->hw_audio_ctrl, audio, s_routing, + route); break; } @@ -922,6 +960,8 @@ long cx18_v4l2_ioctl(struct file *filp, unsigned int cmd, mutex_lock(&cx->serialize_lock); + /* FIXME - consolidate v4l2_prio_check()'s here */ + if (cx18_debug & CX18_DBGFLG_IOCTL) vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG; res = video_ioctl2(filp, cmd, arg); |