* 02110-1301, USA.
*/
+#include <media/v4l2-chip-ident.h>
#include "cx18-driver.h"
#include "cx18-io.h"
+#include "cx18-cards.h"
int cx18_av_write(struct cx18 *cx, u16 addr, u8 value)
{
or_value);
}
-/* ----------------------------------------------------------------------- */
-
-static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
- enum cx18_av_audio_input aud_input);
-static void log_audio_status(struct cx18 *cx);
-static void log_video_status(struct cx18 *cx);
-
-/* ----------------------------------------------------------------------- */
-
static void cx18_av_initialize(struct cx18 *cx)
{
struct cx18_av_state *state = &cx->av_state;
state->default_volume = ((state->default_volume / 2) + 23) << 9;
}
-/* ----------------------------------------------------------------------- */
+static int cx18_av_reset(struct v4l2_subdev *sd, u32 val)
+{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
+ cx18_av_initialize(cx);
+ return 0;
+}
+
+static int cx18_av_init_hardware(struct v4l2_subdev *sd, u32 val)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
+ if (!state->is_initialized) {
+ /* initialize on first use */
+ state->is_initialized = 1;
+ cx18_av_initialize(cx);
+ }
+ return 0;
+}
void cx18_av_std_setup(struct cx18 *cx)
{
cx18_av_write(cx, 0x47f, state->slicer_line_delay);
}
-/* ----------------------------------------------------------------------- */
+static int cx18_av_decode_vbi_line(struct v4l2_subdev *sd,
+ struct v4l2_decode_vbi_line *vbi_line)
+{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ return cx18_av_vbi(cx, VIDIOC_INT_DECODE_VBI_LINE, vbi_line);
+}
+
+static int cx18_av_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
+{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ return cx18_av_audio(cx, VIDIOC_INT_AUDIO_CLOCK_FREQ, &freq);
+}
static void input_change(struct cx18 *cx)
{
}
}
+static int cx18_av_s_frequency(struct v4l2_subdev *sd,
+ struct v4l2_frequency *freq)
+{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ input_change(cx);
+ return 0;
+}
+
static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input,
enum cx18_av_audio_input aud_input)
{
return 0;
}
-/* ----------------------------------------------------------------------- */
+static int cx18_av_s_video_routing(struct v4l2_subdev *sd,
+ const struct v4l2_routing *route)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ return set_input(cx, route->input, state->aud_input);
+}
-static int set_v4lstd(struct cx18 *cx)
+static int cx18_av_s_audio_routing(struct v4l2_subdev *sd,
+ const struct v4l2_routing *route)
{
- struct cx18_av_state *state = &cx->av_state;
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ return set_input(cx, state->vid_input, route->input);
+}
+
+static int cx18_av_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ u8 vpres;
+ u8 mode;
+ int val = 0;
+
+ if (state->radio)
+ return 0;
+
+ vpres = cx18_av_read(cx, 0x40e) & 0x20;
+ vt->signal = vpres ? 0xffff : 0x0;
+
+ vt->capability |=
+ V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
+ V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
+
+ mode = cx18_av_read(cx, 0x804);
+
+ /* get rxsubchans and audmode */
+ if ((mode & 0xf) == 1)
+ val |= V4L2_TUNER_SUB_STEREO;
+ else
+ val |= V4L2_TUNER_SUB_MONO;
+
+ if (mode == 2 || mode == 4)
+ val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
+
+ if (mode & 0x10)
+ val |= V4L2_TUNER_SUB_SAP;
+
+ vt->rxsubchans = val;
+ vt->audmode = state->audmode;
+ return 0;
+}
+
+static int cx18_av_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ u8 v;
+
+ if (state->radio)
+ return 0;
+
+ v = cx18_av_read(cx, 0x809);
+ v &= ~0xf;
+
+ switch (vt->audmode) {
+ case V4L2_TUNER_MODE_MONO:
+ /* mono -> mono
+ stereo -> mono
+ bilingual -> lang1 */
+ break;
+ case V4L2_TUNER_MODE_STEREO:
+ case V4L2_TUNER_MODE_LANG1:
+ /* mono -> mono
+ stereo -> stereo
+ bilingual -> lang1 */
+ v |= 0x4;
+ break;
+ case V4L2_TUNER_MODE_LANG1_LANG2:
+ /* mono -> mono
+ stereo -> stereo
+ bilingual -> lang1/lang2 */
+ v |= 0x7;
+ break;
+ case V4L2_TUNER_MODE_LANG2:
+ /* mono -> mono
+ stereo -> stereo
+ bilingual -> lang2 */
+ v |= 0x1;
+ break;
+ default:
+ return -EINVAL;
+ }
+ cx18_av_write_expect(cx, 0x809, v, v, 0xff);
+ state->audmode = vt->audmode;
+ return 0;
+}
+
+static int cx18_av_s_std(struct v4l2_subdev *sd, v4l2_std_id norm)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
u8 fmt = 0; /* zero is autodetect */
u8 pal_m = 0;
+ if (state->radio == 0 && state->std == norm)
+ return 0;
+
+ state->radio = 0;
+ state->std = norm;
+
/* First tests should be against specific std */
if (state->std == V4L2_STD_NTSC_M_JP) {
fmt = 0x2;
return 0;
}
-/* ----------------------------------------------------------------------- */
+static int cx18_av_s_radio(struct v4l2_subdev *sd)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ state->radio = 1;
+ return 0;
+}
-static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl)
+static int cx18_av_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
if (ctrl->value < 0 || ctrl->value > 255) {
default:
return -EINVAL;
}
-
return 0;
}
-static int get_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl)
+static int cx18_av_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
ctrl->value = (s8)cx18_av_read(cx, 0x414) + 128;
default:
return -EINVAL;
}
-
return 0;
}
-/* ----------------------------------------------------------------------- */
+static int cx18_av_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
+{
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+
+ switch (qc->id) {
+ case V4L2_CID_BRIGHTNESS:
+ return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
+ case V4L2_CID_CONTRAST:
+ case V4L2_CID_SATURATION:
+ return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64);
+ case V4L2_CID_HUE:
+ return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
+ default:
+ break;
+ }
+
+ switch (qc->id) {
+ case V4L2_CID_AUDIO_VOLUME:
+ return v4l2_ctrl_query_fill(qc, 0, 65535,
+ 65535 / 100, state->default_volume);
+ case V4L2_CID_AUDIO_MUTE:
+ return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
+ case V4L2_CID_AUDIO_BALANCE:
+ case V4L2_CID_AUDIO_BASS:
+ case V4L2_CID_AUDIO_TREBLE:
+ return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768);
+ default:
+ return -EINVAL;
+ }
+ return -EINVAL;
+}
-static int get_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt)
+static int cx18_av_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
switch (fmt->type) {
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
return cx18_av_vbi(cx, VIDIOC_G_FMT, fmt);
default:
return -EINVAL;
}
-
return 0;
}
-static int set_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt)
+static int cx18_av_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
{
- struct cx18_av_state *state = &cx->av_state;
+ struct cx18_av_state *state = to_cx18_av_state(sd);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
struct v4l2_pix_format *pix;
int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
int is_50Hz = !(state->std & V4L2_STD_525_60);
default:
return -EINVAL;
}
-
return 0;
}
-/* ----------------------------------------------------------------------- */
-
-static int valid_av_cmd(unsigned int cmd)
+static int cx18_av_s_stream(struct v4l2_subdev *sd, int enable)
{
- switch (cmd) {
- /* All commands supported by cx18_av_cmd() */
- case VIDIOC_INT_DECODE_VBI_LINE:
- case VIDIOC_INT_AUDIO_CLOCK_FREQ:
- case VIDIOC_STREAMON:
- case VIDIOC_STREAMOFF:
- case VIDIOC_LOG_STATUS:
- case VIDIOC_G_CTRL:
- case VIDIOC_S_CTRL:
- case VIDIOC_QUERYCTRL:
- case VIDIOC_G_STD:
- case VIDIOC_S_STD:
- case AUDC_SET_RADIO:
- case VIDIOC_INT_G_VIDEO_ROUTING:
- case VIDIOC_INT_S_VIDEO_ROUTING:
- case VIDIOC_INT_G_AUDIO_ROUTING:
- case VIDIOC_INT_S_AUDIO_ROUTING:
- case VIDIOC_S_FREQUENCY:
- case VIDIOC_G_TUNER:
- case VIDIOC_S_TUNER:
- case VIDIOC_G_FMT:
- case VIDIOC_S_FMT:
- case VIDIOC_INT_RESET:
- return 1;
- default:
- return 0;
- }
- return 0;
-}
-
-int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg)
-{
- struct cx18_av_state *state = &cx->av_state;
- struct v4l2_tuner *vt = arg;
- struct v4l2_routing *route = arg;
-
- if (!state->is_initialized && valid_av_cmd(cmd)) {
- CX18_DEBUG_INFO("cmd %08x triggered fw load\n", cmd);
- /* initialize on first use */
- state->is_initialized = 1;
- cx18_av_initialize(cx);
- }
-
- switch (cmd) {
- case VIDIOC_INT_DECODE_VBI_LINE:
- return cx18_av_vbi(cx, cmd, arg);
-
- case VIDIOC_INT_AUDIO_CLOCK_FREQ:
- return cx18_av_audio(cx, cmd, arg);
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
- case VIDIOC_STREAMON:
- CX18_DEBUG_INFO("enable output\n");
+ CX18_DEBUG_INFO("%s output\n", enable ? "enable" : "disable");
+ if (enable) {
cx18_av_write(cx, 0x115, 0x8c);
cx18_av_write(cx, 0x116, 0x07);
- break;
-
- case VIDIOC_STREAMOFF:
- CX18_DEBUG_INFO("disable output\n");
+ } else {
cx18_av_write(cx, 0x115, 0x00);
cx18_av_write(cx, 0x116, 0x00);
- break;
-
- case VIDIOC_LOG_STATUS:
- log_video_status(cx);
- log_audio_status(cx);
- break;
-
- case VIDIOC_G_CTRL:
- return get_v4lctrl(cx, (struct v4l2_control *)arg);
-
- case VIDIOC_S_CTRL:
- return set_v4lctrl(cx, (struct v4l2_control *)arg);
-
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *qc = arg;
-
- switch (qc->id) {
- case V4L2_CID_BRIGHTNESS:
- return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
- case V4L2_CID_CONTRAST:
- case V4L2_CID_SATURATION:
- return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64);
- case V4L2_CID_HUE:
- return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
- default:
- break;
- }
-
- switch (qc->id) {
- case V4L2_CID_AUDIO_VOLUME:
- return v4l2_ctrl_query_fill(qc, 0, 65535,
- 65535 / 100, state->default_volume);
- case V4L2_CID_AUDIO_MUTE:
- return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0);
- case V4L2_CID_AUDIO_BALANCE:
- case V4L2_CID_AUDIO_BASS:
- case V4L2_CID_AUDIO_TREBLE:
- return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768);
- default:
- return -EINVAL;
- }
- return -EINVAL;
- }
-
- case VIDIOC_G_STD:
- *(v4l2_std_id *)arg = state->std;
- break;
-
- case VIDIOC_S_STD:
- if (state->radio == 0 && state->std == *(v4l2_std_id *)arg)
- return 0;
- state->radio = 0;
- state->std = *(v4l2_std_id *)arg;
- return set_v4lstd(cx);
-
- case AUDC_SET_RADIO:
- state->radio = 1;
- break;
-
- case VIDIOC_INT_G_VIDEO_ROUTING:
- route->input = state->vid_input;
- route->output = 0;
- break;
-
- case VIDIOC_INT_S_VIDEO_ROUTING:
- return set_input(cx, route->input, state->aud_input);
-
- case VIDIOC_INT_G_AUDIO_ROUTING:
- route->input = state->aud_input;
- route->output = 0;
- break;
-
- case VIDIOC_INT_S_AUDIO_ROUTING:
- return set_input(cx, state->vid_input, route->input);
-
- case VIDIOC_S_FREQUENCY:
- input_change(cx);
- break;
-
- case VIDIOC_G_TUNER:
- {
- u8 vpres = cx18_av_read(cx, 0x40e) & 0x20;
- u8 mode;
- int val = 0;
-
- if (state->radio)
- break;
-
- vt->signal = vpres ? 0xffff : 0x0;
-
- vt->capability |=
- V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
- V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
-
- mode = cx18_av_read(cx, 0x804);
-
- /* get rxsubchans and audmode */
- if ((mode & 0xf) == 1)
- val |= V4L2_TUNER_SUB_STEREO;
- else
- val |= V4L2_TUNER_SUB_MONO;
-
- if (mode == 2 || mode == 4)
- val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
-
- if (mode & 0x10)
- val |= V4L2_TUNER_SUB_SAP;
-
- vt->rxsubchans = val;
- vt->audmode = state->audmode;
- break;
}
-
- case VIDIOC_S_TUNER:
- {
- u8 v;
-
- if (state->radio)
- break;
-
- v = cx18_av_read(cx, 0x809);
- v &= ~0xf;
-
- switch (vt->audmode) {
- case V4L2_TUNER_MODE_MONO:
- /* mono -> mono
- stereo -> mono
- bilingual -> lang1 */
- break;
- case V4L2_TUNER_MODE_STEREO:
- case V4L2_TUNER_MODE_LANG1:
- /* mono -> mono
- stereo -> stereo
- bilingual -> lang1 */
- v |= 0x4;
- break;
- case V4L2_TUNER_MODE_LANG1_LANG2:
- /* mono -> mono
- stereo -> stereo
- bilingual -> lang1/lang2 */
- v |= 0x7;
- break;
- case V4L2_TUNER_MODE_LANG2:
- /* mono -> mono
- stereo -> stereo
- bilingual -> lang2 */
- v |= 0x1;
- break;
- default:
- return -EINVAL;
- }
- cx18_av_write_expect(cx, 0x809, v, v, 0xff);
- state->audmode = vt->audmode;
- break;
- }
-
- case VIDIOC_G_FMT:
- return get_v4lfmt(cx, (struct v4l2_format *)arg);
-
- case VIDIOC_S_FMT:
- return set_v4lfmt(cx, (struct v4l2_format *)arg);
-
- case VIDIOC_INT_RESET:
- cx18_av_initialize(cx);
- break;
-
- default:
- return -EINVAL;
- }
-
return 0;
}
-/* ----------------------------------------------------------------------- */
-
-/* ----------------------------------------------------------------------- */
-
static void log_video_status(struct cx18 *cx)
{
static const char *const fmt_strs[] = {
CX18_INFO("Specified audioclock freq: %d Hz\n", state->audclk_freq);
}
-/* ----------------------------------------------------------------------- */
-
static void log_audio_status(struct cx18 *cx)
{
struct cx18_av_state *state = &cx->av_state;
CX18_INFO("Selected 45 MHz format: %s\n", p);
}
}
+
+static int cx18_av_log_status(struct v4l2_subdev *sd)
+{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+ log_video_status(cx);
+ log_audio_status(cx);
+ return 0;
+}
+
+static inline int cx18_av_dbg_match(const struct v4l2_dbg_match *match)
+{
+ return match->type == V4L2_CHIP_MATCH_HOST && match->addr == 1;
+}
+
+static int cx18_av_g_chip_ident(struct v4l2_subdev *sd,
+ struct v4l2_dbg_chip_ident *chip)
+{
+ if (cx18_av_dbg_match(&chip->match)) {
+ /*
+ * Nothing else is going to claim to be this combination,
+ * and the real host chip revision will be returned by a host
+ * match on address 0.
+ */
+ chip->ident = V4L2_IDENT_CX25843;
+ chip->revision = V4L2_IDENT_CX23418; /* Why not */
+ }
+ return 0;
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int cx18_av_g_register(struct v4l2_subdev *sd,
+ struct v4l2_dbg_register *reg)
+{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
+ if (!cx18_av_dbg_match(®->match))
+ return -EINVAL;
+ if ((reg->reg & 0x3) != 0)
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ reg->size = 4;
+ reg->val = cx18_av_read4(cx, reg->reg & 0x00000ffc);
+ return 0;
+}
+
+static int cx18_av_s_register(struct v4l2_subdev *sd,
+ struct v4l2_dbg_register *reg)
+{
+ struct cx18 *cx = v4l2_get_subdevdata(sd);
+
+ if (!cx18_av_dbg_match(®->match))
+ return -EINVAL;
+ if ((reg->reg & 0x3) != 0)
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ cx18_av_write4(cx, reg->reg & 0x00000ffc, reg->val);
+ return 0;
+}
+#endif
+
+static const struct v4l2_subdev_core_ops cx18_av_general_ops = {
+ .g_chip_ident = cx18_av_g_chip_ident,
+ .log_status = cx18_av_log_status,
+ .init = cx18_av_init_hardware,
+ .reset = cx18_av_reset,
+ .queryctrl = cx18_av_queryctrl,
+ .g_ctrl = cx18_av_g_ctrl,
+ .s_ctrl = cx18_av_s_ctrl,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .g_register = cx18_av_g_register,
+ .s_register = cx18_av_s_register,
+#endif
+};
+
+static const struct v4l2_subdev_tuner_ops cx18_av_tuner_ops = {
+ .s_radio = cx18_av_s_radio,
+ .s_frequency = cx18_av_s_frequency,
+ .g_tuner = cx18_av_g_tuner,
+ .s_tuner = cx18_av_s_tuner,
+ .s_std = cx18_av_s_std,
+};
+
+static const struct v4l2_subdev_audio_ops cx18_av_audio_ops = {
+ .s_clock_freq = cx18_av_s_clock_freq,
+ .s_routing = cx18_av_s_audio_routing,
+};
+
+static const struct v4l2_subdev_video_ops cx18_av_video_ops = {
+ .s_routing = cx18_av_s_video_routing,
+ .decode_vbi_line = cx18_av_decode_vbi_line,
+ .s_stream = cx18_av_s_stream,
+ .g_fmt = cx18_av_g_fmt,
+ .s_fmt = cx18_av_s_fmt,
+};
+
+static const struct v4l2_subdev_ops cx18_av_ops = {
+ .core = &cx18_av_general_ops,
+ .tuner = &cx18_av_tuner_ops,
+ .audio = &cx18_av_audio_ops,
+ .video = &cx18_av_video_ops,
+};
+
+int cx18_av_init(struct cx18 *cx)
+{
+ struct v4l2_subdev *sd = &cx->av_state.sd;
+
+ v4l2_subdev_init(sd, &cx18_av_ops);
+ v4l2_set_subdevdata(sd, cx);
+ snprintf(sd->name, sizeof(sd->name),
+ "%s-internal A/V decoder", cx->v4l2_dev.name);
+ sd->grp_id = CX18_HW_CX23418;
+ return v4l2_device_register_subdev(&cx->v4l2_dev, sd);
+}
+
+void cx18_av_fini(struct cx18 *cx)
+{
+ v4l2_device_unregister_subdev(&cx->av_state.sd);
+}
projects / mirror_ubuntu-disco-kernel.git / commitdiff