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path: root/drivers/media/pci/ivtv/ivtv-ioctl.c
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Diffstat (limited to 'drivers/media/pci/ivtv/ivtv-ioctl.c')
-rw-r--r--drivers/media/pci/ivtv/ivtv-ioctl.c86
1 files changed, 28 insertions, 58 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c
index 7a8b0d0b612..b3667a00db3 100644
--- a/drivers/media/pci/ivtv/ivtv-ioctl.c
+++ b/drivers/media/pci/ivtv/ivtv-ioctl.c
@@ -34,7 +34,6 @@
#include "ivtv-cards.h"
#include <media/saa7127.h>
#include <media/tveeprom.h>
-#include <media/v4l2-chip-ident.h>
#include <media/v4l2-event.h>
#include <linux/dvb/audio.h>
@@ -692,47 +691,27 @@ static int ivtv_s_fmt_vid_out_overlay(struct file *file, void *fh, struct v4l2_f
return ret;
}
-static int ivtv_g_chip_ident(struct file *file, void *fh, struct v4l2_dbg_chip_ident *chip)
-{
- struct ivtv *itv = fh2id(fh)->itv;
-
- chip->ident = V4L2_IDENT_NONE;
- chip->revision = 0;
- if (chip->match.type == V4L2_CHIP_MATCH_HOST) {
- if (v4l2_chip_match_host(&chip->match))
- chip->ident = itv->has_cx23415 ? V4L2_IDENT_CX23415 : V4L2_IDENT_CX23416;
- return 0;
- }
- if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
- chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
- return -EINVAL;
- /* TODO: is this correct? */
- return ivtv_call_all_err(itv, core, g_chip_ident, chip);
-}
-
#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 & 0x3)
+ return -EINVAL;
+ 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;
}
@@ -740,24 +719,16 @@ 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(&reg->match))
- return ivtv_itvc(itv, VIDIOC_DBG_G_REGISTER, reg);
- /* TODO: subdev errors should not be ignored, this should become a
- subdev helper function. */
- ivtv_call_all(itv, core, g_register, reg);
- return 0;
+ reg->size = 4;
+ return ivtv_itvc(itv, true, reg->reg, &reg->val);
}
-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;
+ u64 val = reg->val;
- if (v4l2_chip_match_host(&reg->match))
- return ivtv_itvc(itv, VIDIOC_DBG_S_REGISTER, reg);
- /* TODO: subdev errors should not be ignored, this should become a
- subdev helper function. */
- ivtv_call_all(itv, core, s_register, reg);
- return 0;
+ return ivtv_itvc(itv, false, reg->reg, &val);
}
#endif
@@ -1078,7 +1049,7 @@ 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 +1074,10 @@ 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;
@@ -1119,18 +1090,18 @@ void ivtv_s_std_enc(struct ivtv *itv, v4l2_std_id *std)
itv->vbi.sliced_decoder_line_size = itv->is_60hz ? 272 : 284;
/* Tuner */
- ivtv_call_all(itv, core, s_std, itv->std);
+ ivtv_call_all(itv, video, 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 +1139,14 @@ 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 +1167,7 @@ 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 +1775,7 @@ 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;
@@ -1911,7 +1882,6 @@ static const struct v4l2_ioctl_ops ivtv_ioctl_ops = {
.vidioc_try_fmt_vid_out_overlay = ivtv_try_fmt_vid_out_overlay,
.vidioc_try_fmt_sliced_vbi_out = ivtv_try_fmt_sliced_vbi_out,
.vidioc_g_sliced_vbi_cap = ivtv_g_sliced_vbi_cap,
- .vidioc_g_chip_ident = ivtv_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = ivtv_g_register,
.vidioc_s_register = ivtv_s_register,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 23:47:47 +0000