diff options
author | Hans Verkuil <hverkuil@xs4all.nl> | 2008-11-24 22:16:46 +0100 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-30 12:38:39 +0100 |
commit | 76efd62f1546c6fab2116d3ba832403387bd3d4a (patch) | |
tree | 2dacbc15f37de125aa573708f599913f5fe05e91 /drivers/media/video/msp3400-driver.c | |
parent | V4L/DVB (9824): m52790: convert to v4l2_subdev. (diff) | |
download | linux-76efd62f1546c6fab2116d3ba832403387bd3d4a.tar.xz linux-76efd62f1546c6fab2116d3ba832403387bd3d4a.zip |
V4L/DVB (9825): msp3400: convert to v4l2_subdev.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/msp3400-driver.c')
-rw-r--r-- | drivers/media/video/msp3400-driver.c | 402 |
1 files changed, 223 insertions, 179 deletions
diff --git a/drivers/media/video/msp3400-driver.c b/drivers/media/video/msp3400-driver.c index 3da74dcee902..79ae7bd23528 100644 --- a/drivers/media/video/msp3400-driver.c +++ b/drivers/media/video/msp3400-driver.c @@ -51,14 +51,14 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/i2c.h> +#include <linux/kthread.h> +#include <linux/freezer.h> #include <linux/videodev2.h> -#include <media/v4l2-common.h> +#include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-i2c-drv-legacy.h> -#include <media/tvaudio.h> #include <media/msp3400.h> -#include <linux/kthread.h> -#include <linux/freezer.h> +#include <media/tvaudio.h> #include "msp3400-driver.h" /* ---------------------------------------------------------------------- */ @@ -265,7 +265,7 @@ static char *scart_names[] = { void msp_set_scart(struct i2c_client *client, int in, int out) { - struct msp_state *state = i2c_get_clientdata(client); + struct msp_state *state = to_state(i2c_get_clientdata(client)); state->in_scart = in; @@ -289,7 +289,7 @@ void msp_set_scart(struct i2c_client *client, int in, int out) void msp_set_audio(struct i2c_client *client) { - struct msp_state *state = i2c_get_clientdata(client); + struct msp_state *state = to_state(i2c_get_clientdata(client)); int bal = 0, bass, treble, loudness; int val = 0; int reallymuted = state->muted | state->scan_in_progress; @@ -336,7 +336,7 @@ void msp_set_audio(struct i2c_client *client) static void msp_wake_thread(struct i2c_client *client) { - struct msp_state *state = i2c_get_clientdata(client); + struct msp_state *state = to_state(i2c_get_clientdata(client)); if (NULL == state->kthread) return; @@ -390,9 +390,9 @@ static int msp_mode_v4l1_to_v4l2(int mode) } #endif -static int msp_get_ctrl(struct i2c_client *client, struct v4l2_control *ctrl) +static int msp_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { - struct msp_state *state = i2c_get_clientdata(client); + struct msp_state *state = to_state(sd); switch (ctrl->id) { case V4L2_CID_AUDIO_VOLUME: @@ -433,9 +433,10 @@ static int msp_get_ctrl(struct i2c_client *client, struct v4l2_control *ctrl) return 0; } -static int msp_set_ctrl(struct i2c_client *client, struct v4l2_control *ctrl) +static int msp_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { - struct msp_state *state = i2c_get_clientdata(client); + struct msp_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); switch (ctrl->id) { case V4L2_CID_AUDIO_VOLUME: @@ -481,40 +482,16 @@ static int msp_set_ctrl(struct i2c_client *client, struct v4l2_control *ctrl) return 0; } -static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg) +#ifdef CONFIG_VIDEO_ALLOW_V4L1 +static int msp_ioctl(struct v4l2_subdev *sd, int cmd, void *arg) { - struct msp_state *state = i2c_get_clientdata(client); - - if (msp_debug >= 2) - v4l_i2c_print_ioctl(client, cmd); + struct msp_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); switch (cmd) { - case AUDC_SET_RADIO: - if (state->radio) - return 0; - state->radio = 1; - v4l_dbg(1, msp_debug, client, "switching to radio mode\n"); - state->watch_stereo = 0; - switch (state->opmode) { - case OPMODE_MANUAL: - /* set msp3400 to FM radio mode */ - msp3400c_set_mode(client, MSP_MODE_FM_RADIO); - msp3400c_set_carrier(client, MSP_CARRIER(10.7), - MSP_CARRIER(10.7)); - msp_set_audio(client); - break; - case OPMODE_AUTODETECT: - case OPMODE_AUTOSELECT: - /* the thread will do for us */ - msp_wake_thread(client); - break; - } - break; - /* --- v4l ioctls --- */ /* take care: bttv does userspace copying, we'll get a kernel pointer here... */ -#ifdef CONFIG_VIDEO_ALLOW_V4L1 case VIDIOCGAUDIO: { struct video_audio *va = arg; @@ -588,105 +565,137 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg) msp_wake_thread(client); break; } -#endif - case VIDIOC_S_FREQUENCY: - { - /* new channel -- kick audio carrier scan */ - msp_wake_thread(client); - break; + default: + return -ENOIOCTLCMD; } + return 0; +} +#endif - /* --- v4l2 ioctls --- */ - case VIDIOC_S_STD: - { - v4l2_std_id *id = arg; - int update = state->radio || state->v4l2_std != *id; +/* --- v4l2 ioctls --- */ +static int msp_s_radio(struct v4l2_subdev *sd) +{ + struct msp_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); - state->v4l2_std = *id; - state->radio = 0; - if (update) - msp_wake_thread(client); + if (state->radio) return 0; + state->radio = 1; + v4l_dbg(1, msp_debug, client, "switching to radio mode\n"); + state->watch_stereo = 0; + switch (state->opmode) { + case OPMODE_MANUAL: + /* set msp3400 to FM radio mode */ + msp3400c_set_mode(client, MSP_MODE_FM_RADIO); + msp3400c_set_carrier(client, MSP_CARRIER(10.7), + MSP_CARRIER(10.7)); + msp_set_audio(client); + break; + case OPMODE_AUTODETECT: + case OPMODE_AUTOSELECT: + /* the thread will do for us */ + msp_wake_thread(client); + break; } + return 0; +} - case VIDIOC_INT_G_AUDIO_ROUTING: - { - struct v4l2_routing *rt = arg; +static int msp_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); - *rt = state->routing; - break; - } + /* new channel -- kick audio carrier scan */ + msp_wake_thread(client); + return 0; +} - case VIDIOC_INT_S_AUDIO_ROUTING: - { - struct v4l2_routing *rt = arg; - int tuner = (rt->input >> 3) & 1; - int sc_in = rt->input & 0x7; - int sc1_out = rt->output & 0xf; - int sc2_out = (rt->output >> 4) & 0xf; - u16 val, reg; - int i; - int extern_input = 1; - - if (state->routing.input == rt->input && - state->routing.output == rt->output) - break; - state->routing = *rt; - /* check if the tuner input is used */ - for (i = 0; i < 5; i++) { - if (((rt->input >> (4 + i * 4)) & 0xf) == 0) - extern_input = 0; - } - state->mode = extern_input ? MSP_MODE_EXTERN : MSP_MODE_AM_DETECT; - state->rxsubchans = V4L2_TUNER_SUB_STEREO; - msp_set_scart(client, sc_in, 0); - msp_set_scart(client, sc1_out, 1); - msp_set_scart(client, sc2_out, 2); - msp_set_audmode(client); - reg = (state->opmode == OPMODE_AUTOSELECT) ? 0x30 : 0xbb; - val = msp_read_dem(client, reg); - msp_write_dem(client, reg, (val & ~0x100) | (tuner << 8)); - /* wake thread when a new input is chosen */ +static int msp_s_std(struct v4l2_subdev *sd, v4l2_std_id id) +{ + struct msp_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); + int update = state->radio || state->v4l2_std != id; + + state->v4l2_std = id; + state->radio = 0; + if (update) msp_wake_thread(client); - break; + return 0; +} + +static int msp_s_routing(struct v4l2_subdev *sd, const struct v4l2_routing *rt) +{ + struct msp_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); + int tuner = (rt->input >> 3) & 1; + int sc_in = rt->input & 0x7; + int sc1_out = rt->output & 0xf; + int sc2_out = (rt->output >> 4) & 0xf; + u16 val, reg; + int i; + int extern_input = 1; + + if (state->routing.input == rt->input && + state->routing.output == rt->output) + return 0; + state->routing = *rt; + /* check if the tuner input is used */ + for (i = 0; i < 5; i++) { + if (((rt->input >> (4 + i * 4)) & 0xf) == 0) + extern_input = 0; } + state->mode = extern_input ? MSP_MODE_EXTERN : MSP_MODE_AM_DETECT; + state->rxsubchans = V4L2_TUNER_SUB_STEREO; + msp_set_scart(client, sc_in, 0); + msp_set_scart(client, sc1_out, 1); + msp_set_scart(client, sc2_out, 2); + msp_set_audmode(client); + reg = (state->opmode == OPMODE_AUTOSELECT) ? 0x30 : 0xbb; + val = msp_read_dem(client, reg); + msp_write_dem(client, reg, (val & ~0x100) | (tuner << 8)); + /* wake thread when a new input is chosen */ + msp_wake_thread(client); + return 0; +} - case VIDIOC_G_TUNER: - { - struct v4l2_tuner *vt = arg; +static int msp_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) +{ + struct msp_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); - if (state->radio) - break; - if (state->opmode == OPMODE_AUTOSELECT) - msp_detect_stereo(client); - vt->audmode = state->audmode; - vt->rxsubchans = state->rxsubchans; - vt->capability |= V4L2_TUNER_CAP_STEREO | - V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; - break; - } + if (state->radio) + return 0; + if (state->opmode == OPMODE_AUTOSELECT) + msp_detect_stereo(client); + vt->audmode = state->audmode; + vt->rxsubchans = state->rxsubchans; + vt->capability |= V4L2_TUNER_CAP_STEREO | + V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; + return 0; +} - case VIDIOC_S_TUNER: - { - struct v4l2_tuner *vt = (struct v4l2_tuner *)arg; +static int msp_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) +{ + struct msp_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); - if (state->radio) /* TODO: add mono/stereo support for radio */ - break; - if (state->audmode == vt->audmode) - break; - state->audmode = vt->audmode; - /* only set audmode */ - msp_set_audmode(client); - break; - } + if (state->radio) /* TODO: add mono/stereo support for radio */ + return 0; + if (state->audmode == vt->audmode) + return 0; + state->audmode = vt->audmode; + /* only set audmode */ + msp_set_audmode(client); + return 0; +} - case VIDIOC_INT_I2S_CLOCK_FREQ: - { - u32 *a = (u32 *)arg; +static int msp_s_i2s_clock_freq(struct v4l2_subdev *sd, u32 freq) +{ + struct msp_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); - v4l_dbg(1, msp_debug, client, "Setting I2S speed to %d\n", *a); + v4l_dbg(1, msp_debug, client, "Setting I2S speed to %d\n", freq); - switch (*a) { + switch (freq) { case 1024000: state->i2s_mode = 0; break; @@ -695,24 +704,24 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg) break; default: return -EINVAL; - } - break; } + return 0; +} - case VIDIOC_QUERYCTRL: - { - struct v4l2_queryctrl *qc = arg; +static int msp_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) +{ + struct msp_state *state = to_state(sd); - switch (qc->id) { + switch (qc->id) { case V4L2_CID_AUDIO_VOLUME: case V4L2_CID_AUDIO_MUTE: return v4l2_ctrl_query_fill_std(qc); default: break; - } - if (!state->has_sound_processing) - return -EINVAL; - switch (qc->id) { + } + if (!state->has_sound_processing) + return -EINVAL; + switch (qc->id) { case V4L2_CID_AUDIO_LOUDNESS: case V4L2_CID_AUDIO_BALANCE: case V4L2_CID_AUDIO_BASS: @@ -720,32 +729,38 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg) return v4l2_ctrl_query_fill_std(qc); default: return -EINVAL; - } } + return 0; +} - case VIDIOC_G_CTRL: - return msp_get_ctrl(client, arg); - - case VIDIOC_S_CTRL: - return msp_set_ctrl(client, arg); +static int msp_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_chip_ident *chip) +{ + struct msp_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); - case VIDIOC_LOG_STATUS: - { - const char *p; + return v4l2_chip_ident_i2c_client(client, chip, state->ident, + (state->rev1 << 16) | state->rev2); +} - if (state->opmode == OPMODE_AUTOSELECT) - msp_detect_stereo(client); - v4l_info(client, "%s rev1 = 0x%04x rev2 = 0x%04x\n", - client->name, state->rev1, state->rev2); - v4l_info(client, "Audio: volume %d%s\n", - state->volume, state->muted ? " (muted)" : ""); - if (state->has_sound_processing) { - v4l_info(client, "Audio: balance %d bass %d treble %d loudness %s\n", - state->balance, state->bass, - state->treble, - state->loudness ? "on" : "off"); - } - switch (state->mode) { +static int msp_log_status(struct v4l2_subdev *sd) +{ + struct msp_state *state = to_state(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); + const char *p; + + if (state->opmode == OPMODE_AUTOSELECT) + msp_detect_stereo(client); + v4l_info(client, "%s rev1 = 0x%04x rev2 = 0x%04x\n", + client->name, state->rev1, state->rev2); + v4l_info(client, "Audio: volume %d%s\n", + state->volume, state->muted ? " (muted)" : ""); + if (state->has_sound_processing) { + v4l_info(client, "Audio: balance %d bass %d treble %d loudness %s\n", + state->balance, state->bass, + state->treble, + state->loudness ? "on" : "off"); + } + switch (state->mode) { case MSP_MODE_AM_DETECT: p = "AM (for carrier detect)"; break; case MSP_MODE_FM_RADIO: p = "FM Radio"; break; case MSP_MODE_FM_TERRA: p = "Terrestial FM-mono/stereo"; break; @@ -756,36 +771,25 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg) case MSP_MODE_BTSC: p = "BTSC"; break; case MSP_MODE_EXTERN: p = "External input"; break; default: p = "unknown"; break; - } - if (state->mode == MSP_MODE_EXTERN) { - v4l_info(client, "Mode: %s\n", p); - } else if (state->opmode == OPMODE_MANUAL) { - v4l_info(client, "Mode: %s (%s%s)\n", p, + } + if (state->mode == MSP_MODE_EXTERN) { + v4l_info(client, "Mode: %s\n", p); + } else if (state->opmode == OPMODE_MANUAL) { + v4l_info(client, "Mode: %s (%s%s)\n", p, (state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono", (state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : ""); - } else { - if (state->opmode == OPMODE_AUTODETECT) - v4l_info(client, "Mode: %s\n", p); - v4l_info(client, "Standard: %s (%s%s)\n", + } else { + if (state->opmode == OPMODE_AUTODETECT) + v4l_info(client, "Mode: %s\n", p); + v4l_info(client, "Standard: %s (%s%s)\n", msp_standard_std_name(state->std), (state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono", (state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : ""); - } - v4l_info(client, "Audmode: 0x%04x\n", state->audmode); - v4l_info(client, "Routing: 0x%08x (input) 0x%08x (output)\n", - state->routing.input, state->routing.output); - v4l_info(client, "ACB: 0x%04x\n", state->acb); - break; - } - - case VIDIOC_G_CHIP_IDENT: - return v4l2_chip_ident_i2c_client(client, arg, state->ident, - (state->rev1 << 16) | state->rev2); - - default: - /* unknown */ - return -EINVAL; } + v4l_info(client, "Audmode: 0x%04x\n", state->audmode); + v4l_info(client, "Routing: 0x%08x (input) 0x%08x (output)\n", + state->routing.input, state->routing.output); + v4l_info(client, "ACB: 0x%04x\n", state->acb); return 0; } @@ -803,11 +807,49 @@ static int msp_resume(struct i2c_client *client) return 0; } +static int msp_command(struct i2c_client *client, unsigned cmd, void *arg) +{ + return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg); +} + +/* ----------------------------------------------------------------------- */ + +static const struct v4l2_subdev_core_ops msp_core_ops = { + .log_status = msp_log_status, + .g_chip_ident = msp_g_chip_ident, + .g_ctrl = msp_g_ctrl, + .s_ctrl = msp_s_ctrl, + .queryctrl = msp_queryctrl, +#ifdef CONFIG_VIDEO_ALLOW_V4L1 + .ioctl = msp_ioctl, +#endif +}; + +static const struct v4l2_subdev_tuner_ops msp_tuner_ops = { + .s_frequency = msp_s_frequency, + .g_tuner = msp_g_tuner, + .s_tuner = msp_s_tuner, + .s_radio = msp_s_radio, + .s_std = msp_s_std, +}; + +static const struct v4l2_subdev_audio_ops msp_audio_ops = { + .s_routing = msp_s_routing, + .s_i2s_clock_freq = msp_s_i2s_clock_freq, +}; + +static const struct v4l2_subdev_ops msp_ops = { + .core = &msp_core_ops, + .tuner = &msp_tuner_ops, + .audio = &msp_audio_ops, +}; + /* ----------------------------------------------------------------------- */ static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct msp_state *state; + struct v4l2_subdev *sd; int (*thread_func)(void *data) = NULL; int msp_hard; int msp_family; @@ -827,7 +869,8 @@ static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id) if (!state) return -ENOMEM; - i2c_set_clientdata(client, state); + sd = &state->sd; + v4l2_i2c_subdev_init(sd, client, &msp_ops); state->v4l2_std = V4L2_STD_NTSC; state->audmode = V4L2_TUNER_MODE_STEREO; @@ -972,8 +1015,9 @@ static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id) static int msp_remove(struct i2c_client *client) { - struct msp_state *state = i2c_get_clientdata(client); + struct msp_state *state = to_state(i2c_get_clientdata(client)); + v4l2_device_unregister_subdev(&state->sd); /* shutdown control thread */ if (state->kthread) { state->restart = 1; |