diff options
Diffstat (limited to 'drivers/media/pci/ivtv/ivtv-ioctl.c')
| -rw-r--r-- | drivers/media/pci/ivtv/ivtv-ioctl.c | 57 |
1 files changed, 30 insertions, 27 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c index 7a8b0d0b612..9cbbce0eaed 100644 --- a/drivers/media/pci/ivtv/ivtv-ioctl.c +++ b/drivers/media/pci/ivtv/ivtv-ioctl.c @@ -711,28 +711,26 @@ static int ivtv_g_chip_ident(struct file *file, void *fh, struct v4l2_dbg_chip_i } #ifdef CONFIG_VIDEO_ADV_DEBUG -static int ivtv_itvc(struct ivtv *itv, unsigned int cmd, void *arg) +static int ivtv_itvc(struct ivtv *itv, bool get, u64 reg, u64 *val) { - struct v4l2_dbg_register *regs = arg; volatile u8 __iomem *reg_start; if (!capable(CAP_SYS_ADMIN)) return -EPERM; - if (regs->reg >= IVTV_REG_OFFSET && regs->reg < IVTV_REG_OFFSET + IVTV_REG_SIZE) + if (reg >= IVTV_REG_OFFSET && reg < IVTV_REG_OFFSET + IVTV_REG_SIZE) reg_start = itv->reg_mem - IVTV_REG_OFFSET; - else if (itv->has_cx23415 && regs->reg >= IVTV_DECODER_OFFSET && - regs->reg < IVTV_DECODER_OFFSET + IVTV_DECODER_SIZE) + else if (itv->has_cx23415 && reg >= IVTV_DECODER_OFFSET && + reg < IVTV_DECODER_OFFSET + IVTV_DECODER_SIZE) reg_start = itv->dec_mem - IVTV_DECODER_OFFSET; - else if (regs->reg < IVTV_ENCODER_SIZE) + else if (reg < IVTV_ENCODER_SIZE) reg_start = itv->enc_mem; else return -EINVAL; - regs->size = 4; - if (cmd == VIDIOC_DBG_G_REGISTER) - regs->val = readl(regs->reg + reg_start); + if (get) + *val = readl(reg + reg_start); else - writel(regs->val, regs->reg + reg_start); + writel(*val, reg + reg_start); return 0; } @@ -740,20 +738,25 @@ static int ivtv_g_register(struct file *file, void *fh, struct v4l2_dbg_register { struct ivtv *itv = fh2id(fh)->itv; - if (v4l2_chip_match_host(®->match)) - return ivtv_itvc(itv, VIDIOC_DBG_G_REGISTER, reg); + if (v4l2_chip_match_host(®->match)) { + reg->size = 4; + return ivtv_itvc(itv, true, reg->reg, ®->val); + } /* TODO: subdev errors should not be ignored, this should become a subdev helper function. */ ivtv_call_all(itv, core, g_register, reg); return 0; } -static int ivtv_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg) +static int ivtv_s_register(struct file *file, void *fh, const struct v4l2_dbg_register *reg) { struct ivtv *itv = fh2id(fh)->itv; - if (v4l2_chip_match_host(®->match)) - return ivtv_itvc(itv, VIDIOC_DBG_S_REGISTER, reg); + if (v4l2_chip_match_host(®->match)) { + u64 val = reg->val; + + return ivtv_itvc(itv, false, reg->reg, &val); + } /* TODO: subdev errors should not be ignored, this should become a subdev helper function. */ ivtv_call_all(itv, core, s_register, reg); @@ -1078,7 +1081,7 @@ static int ivtv_g_frequency(struct file *file, void *fh, struct v4l2_frequency * return 0; } -int ivtv_s_frequency(struct file *file, void *fh, struct v4l2_frequency *vf) +int ivtv_s_frequency(struct file *file, void *fh, const struct v4l2_frequency *vf) { struct ivtv *itv = fh2id(fh)->itv; struct ivtv_stream *s = &itv->streams[fh2id(fh)->type]; @@ -1103,10 +1106,10 @@ static int ivtv_g_std(struct file *file, void *fh, v4l2_std_id *std) return 0; } -void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id *std) +void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id std) { - itv->std = *std; - itv->is_60hz = (*std & V4L2_STD_525_60) ? 1 : 0; + itv->std = std; + itv->is_60hz = (std & V4L2_STD_525_60) ? 1 : 0; itv->is_50hz = !itv->is_60hz; cx2341x_handler_set_50hz(&itv->cxhdl, itv->is_50hz); itv->cxhdl.width = 720; @@ -1122,15 +1125,15 @@ void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id *std) ivtv_call_all(itv, core, s_std, itv->std); } -void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id *std) +void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id std) { struct yuv_playback_info *yi = &itv->yuv_info; DEFINE_WAIT(wait); int f; /* set display standard */ - itv->std_out = *std; - itv->is_out_60hz = (*std & V4L2_STD_525_60) ? 1 : 0; + itv->std_out = std; + itv->is_out_60hz = (std & V4L2_STD_525_60) ? 1 : 0; itv->is_out_50hz = !itv->is_out_60hz; ivtv_call_all(itv, video, s_std_output, itv->std_out); @@ -1168,14 +1171,14 @@ void ivtv_s_std_dec(struct ivtv *itv, v4l2_std_id *std) } } -static int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std) +static int ivtv_s_std(struct file *file, void *fh, v4l2_std_id std) { struct ivtv *itv = fh2id(fh)->itv; - if ((*std & V4L2_STD_ALL) == 0) + if ((std & V4L2_STD_ALL) == 0) return -EINVAL; - if (*std == itv->std) + if (std == itv->std) return 0; if (test_bit(IVTV_F_I_RADIO_USER, &itv->i_flags) || @@ -1196,7 +1199,7 @@ static int ivtv_s_std(struct file *file, void *fh, v4l2_std_id *std) return 0; } -static int ivtv_s_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) +static int ivtv_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *vt) { struct ivtv_open_id *id = fh2id(fh); struct ivtv *itv = id->itv; @@ -1804,7 +1807,7 @@ static int ivtv_decoder_ioctls(struct file *filp, unsigned int cmd, void *arg) } static long ivtv_default(struct file *file, void *fh, bool valid_prio, - int cmd, void *arg) + unsigned int cmd, void *arg) { struct ivtv *itv = fh2id(fh)->itv; |