Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...
[pandora-kernel.git] / drivers / media / video / msp3400-driver.c
index c40e8ba..2fb9fe6 100644 (file)
@@ -56,7 +56,7 @@
 #include <media/tvaudio.h>
 #include <media/msp3400.h>
 #include <linux/kthread.h>
-#include <linux/suspend.h>
+#include <linux/freezer.h>
 #include "msp3400-driver.h"
 
 /* ---------------------------------------------------------------------- */
@@ -279,20 +279,8 @@ void msp_set_scart(struct i2c_client *client, int in, int out)
        msp_write_dsp(client, 0x13, state->acb);
 
        /* Sets I2S speed 0 = 1.024 Mbps, 1 = 2.048 Mbps */
-       msp_write_dem(client, 0x40, state->i2s_mode);
-}
-
-void msp_set_mute(struct i2c_client *client)
-{
-       struct msp_state *state = i2c_get_clientdata(client);
-
-       v4l_dbg(1, msp_debug, client, "mute audio\n");
-       msp_write_dsp(client, 0x0000, 0);
-       msp_write_dsp(client, 0x0007, 1);
-       if (state->has_scart2_out_volume)
-               msp_write_dsp(client, 0x0040, 1);
-       if (state->has_headphones)
-               msp_write_dsp(client, 0x0006, 0);
+       if (state->has_i2s_conf)
+               msp_write_dem(client, 0x40, state->i2s_mode);
 }
 
 void msp_set_audio(struct i2c_client *client)
@@ -300,17 +288,19 @@ void msp_set_audio(struct i2c_client *client)
        struct msp_state *state = i2c_get_clientdata(client);
        int bal = 0, bass, treble, loudness;
        int val = 0;
+       int reallymuted = state->muted | state->scan_in_progress;
 
-       if (!state->muted)
+       if (!reallymuted)
                val = (state->volume * 0x7f / 65535) << 8;
 
-       v4l_dbg(1, msp_debug, client, "mute=%s volume=%d\n",
-               state->muted ? "on" : "off", state->volume);
+       v4l_dbg(1, msp_debug, client, "mute=%s scanning=%s volume=%d\n",
+               state->muted ? "on" : "off", state->scan_in_progress ? "yes" : "no",
+               state->volume);
 
        msp_write_dsp(client, 0x0000, val);
-       msp_write_dsp(client, 0x0007, state->muted ? 0x1 : (val | 0x1));
+       msp_write_dsp(client, 0x0007, reallymuted ? 0x1 : (val | 0x1));
        if (state->has_scart2_out_volume)
-               msp_write_dsp(client, 0x0040, state->muted ? 0x1 : (val | 0x1));
+               msp_write_dsp(client, 0x0040, reallymuted ? 0x1 : (val | 0x1));
        if (state->has_headphones)
                msp_write_dsp(client, 0x0006, val);
        if (!state->has_sound_processing)
@@ -346,7 +336,6 @@ static void msp_wake_thread(struct i2c_client *client)
 
        if (NULL == state->kthread)
                return;
-       msp_set_mute(client);
        state->watch_stereo = 0;
        state->restart = 1;
        wake_up_interruptible(&state->wq);
@@ -373,20 +362,16 @@ int msp_sleep(struct msp_state *state, int timeout)
 }
 
 /* ------------------------------------------------------------------------ */
-
-static int msp_mode_v4l2_to_v4l1(int rxsubchans)
+#ifdef CONFIG_VIDEO_V4L1
+static int msp_mode_v4l2_to_v4l1(int rxsubchans, int audmode)
 {
-       int mode = 0;
-
-       if (rxsubchans & V4L2_TUNER_SUB_STEREO)
-               mode |= VIDEO_SOUND_STEREO;
-       if (rxsubchans & V4L2_TUNER_SUB_LANG2)
-               mode |= VIDEO_SOUND_LANG2 | VIDEO_SOUND_STEREO;
-       if (rxsubchans & V4L2_TUNER_SUB_LANG1)
-               mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_STEREO;
-       if (mode == 0)
-               mode |= VIDEO_SOUND_MONO;
-       return mode;
+       if (rxsubchans == V4L2_TUNER_SUB_MONO)
+               return VIDEO_SOUND_MONO;
+       if (rxsubchans == V4L2_TUNER_SUB_STEREO)
+               return VIDEO_SOUND_STEREO;
+       if (audmode == V4L2_TUNER_MODE_LANG2)
+               return VIDEO_SOUND_LANG2;
+       return VIDEO_SOUND_LANG1;
 }
 
 static int msp_mode_v4l1_to_v4l2(int mode)
@@ -399,67 +384,7 @@ static int msp_mode_v4l1_to_v4l2(int mode)
                return V4L2_TUNER_MODE_LANG1;
        return V4L2_TUNER_MODE_MONO;
 }
-
-static struct v4l2_queryctrl msp_qctrl_std[] = {
-       {
-               .id            = V4L2_CID_AUDIO_VOLUME,
-               .name          = "Volume",
-               .minimum       = 0,
-               .maximum       = 65535,
-               .step          = 65535/100,
-               .default_value = 58880,
-               .flags         = 0,
-               .type          = V4L2_CTRL_TYPE_INTEGER,
-       },{
-               .id            = V4L2_CID_AUDIO_MUTE,
-               .name          = "Mute",
-               .minimum       = 0,
-               .maximum       = 1,
-               .step          = 1,
-               .default_value = 1,
-               .flags         = 0,
-               .type          = V4L2_CTRL_TYPE_BOOLEAN,
-       },
-};
-
-static struct v4l2_queryctrl msp_qctrl_sound_processing[] = {
-       {
-               .id            = V4L2_CID_AUDIO_BALANCE,
-               .name          = "Balance",
-               .minimum       = 0,
-               .maximum       = 65535,
-               .step          = 65535/100,
-               .default_value = 32768,
-               .flags         = 0,
-               .type          = V4L2_CTRL_TYPE_INTEGER,
-       },{
-               .id            = V4L2_CID_AUDIO_BASS,
-               .name          = "Bass",
-               .minimum       = 0,
-               .maximum       = 65535,
-               .step          = 65535/100,
-               .default_value = 32768,
-               .type          = V4L2_CTRL_TYPE_INTEGER,
-       },{
-               .id            = V4L2_CID_AUDIO_TREBLE,
-               .name          = "Treble",
-               .minimum       = 0,
-               .maximum       = 65535,
-               .step          = 65535/100,
-               .default_value = 32768,
-               .type          = V4L2_CTRL_TYPE_INTEGER,
-       },{
-               .id            = V4L2_CID_AUDIO_LOUDNESS,
-               .name          = "Loudness",
-               .minimum       = 0,
-               .maximum       = 1,
-               .step          = 1,
-               .default_value = 1,
-               .flags         = 0,
-               .type          = V4L2_CTRL_TYPE_BOOLEAN,
-       },
-};
-
+#endif
 
 static int msp_get_ctrl(struct i2c_client *client, struct v4l2_control *ctrl)
 {
@@ -585,6 +510,7 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
        /* --- v4l ioctls --- */
        /* take care: bttv does userspace copying, we'll get a
           kernel pointer here... */
+#ifdef CONFIG_VIDEO_V4L1
        case VIDIOCGAUDIO:
        {
                struct video_audio *va = arg;
@@ -605,7 +531,7 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
                        break;
                if (state->opmode == OPMODE_AUTOSELECT)
                        msp_detect_stereo(client);
-               va->mode = msp_mode_v4l2_to_v4l1(state->rxsubchans);
+               va->mode = msp_mode_v4l2_to_v4l1(state->rxsubchans, state->audmode);
                break;
        }
 
@@ -620,7 +546,8 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
                state->treble = va->treble;
                msp_set_audio(client);
 
-               if (va->mode != 0 && state->radio == 0) {
+               if (va->mode != 0 && state->radio == 0 &&
+                   state->audmode != msp_mode_v4l1_to_v4l2(va->mode)) {
                        state->audmode = msp_mode_v4l1_to_v4l2(va->mode);
                        msp_set_audmode(client);
                }
@@ -652,6 +579,12 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
        }
 
        case VIDIOCSFREQ:
+       {
+               /* new channel -- kick audio carrier scan */
+               msp_wake_thread(client);
+               break;
+       }
+#endif
        case VIDIOC_S_FREQUENCY:
        {
                /* new channel -- kick audio carrier scan */
@@ -687,20 +620,29 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
                int sc_in = rt->input & 0x7;
                int sc1_out = rt->output & 0xf;
                int sc2_out = (rt->output >> 4) & 0xf;
-               u16 val;
+               u16 val, reg;
+               int i;
+               int extern_input = 1;
 
+               if (state->routing.input == rt->input &&
+                   state->routing.output == rt->output)
+                       break;
                state->routing = *rt;
-               if (state->opmode == OPMODE_AUTOSELECT) {
-                       val = msp_read_dem(client, 0x30) & ~0x100;
-                       msp_write_dem(client, 0x30, val | (tuner ? 0x100 : 0));
-               } else {
-                       val = msp_read_dem(client, 0xbb) & ~0x100;
-                       msp_write_dem(client, 0xbb, val | (tuner ? 0x100 : 0));
+               /* 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);
                break;
        }
@@ -715,7 +657,7 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
                        msp_detect_stereo(client);
                vt->audmode    = state->audmode;
                vt->rxsubchans = state->rxsubchans;
-               vt->capability = V4L2_TUNER_CAP_STEREO |
+               vt->capability |= V4L2_TUNER_CAP_STEREO |
                        V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
                break;
        }
@@ -726,6 +668,8 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
 
                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);
@@ -754,21 +698,25 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
        case VIDIOC_QUERYCTRL:
        {
                struct v4l2_queryctrl *qc = arg;
-               int i;
 
-               for (i = 0; i < ARRAY_SIZE(msp_qctrl_std); i++)
-                       if (qc->id && qc->id == msp_qctrl_std[i].id) {
-                               memcpy(qc, &msp_qctrl_std[i], sizeof(*qc));
-                               return 0;
-                       }
+               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;
-               for (i = 0; i < ARRAY_SIZE(msp_qctrl_sound_processing); i++)
-                       if (qc->id && qc->id == msp_qctrl_sound_processing[i].id) {
-                               memcpy(qc, &msp_qctrl_sound_processing[i], sizeof(*qc));
-                               return 0;
-                       }
-               return -EINVAL;
+               switch (qc->id) {
+                       case V4L2_CID_AUDIO_LOUDNESS:
+                       case V4L2_CID_AUDIO_BALANCE:
+                       case V4L2_CID_AUDIO_BASS:
+                       case V4L2_CID_AUDIO_TREBLE:
+                               return v4l2_ctrl_query_fill_std(qc);
+                       default:
+                               return -EINVAL;
+               }
        }
 
        case VIDIOC_G_CTRL:
@@ -804,7 +752,9 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
                case MSP_MODE_EXTERN: p = "External input"; break;
                default: p = "unknown"; break;
                }
-               if (state->opmode == OPMODE_MANUAL) {
+               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" : "");
@@ -887,7 +837,7 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
 
        memset(state, 0, sizeof(*state));
        state->v4l2_std = V4L2_STD_NTSC;
-       state->audmode = V4L2_TUNER_MODE_LANG1;
+       state->audmode = V4L2_TUNER_MODE_STEREO;
        state->volume = 58880;  /* 0db gain */
        state->balance = 32768; /* 0db gain */
        state->bass = 32768;
@@ -931,13 +881,16 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
        state->has_radio = msp_revision >= 'G';
        /* Has headphones output: not for stripped down products */
        state->has_headphones = msp_prod_lo < 5;
+       /* Has scart2 input: not in stripped down products of the '3' family */
+       state->has_scart2 = msp_family >= 4 || msp_prod_lo < 7;
+       /* Has scart3 input: not in stripped down products of the '3' family */
+       state->has_scart3 = msp_family >= 4 || msp_prod_lo < 5;
        /* Has scart4 input: not in pre D revisions, not in stripped D revs */
        state->has_scart4 = msp_family >= 4 || (msp_revision >= 'D' && msp_prod_lo < 5);
-       /* Has scart2 and scart3 inputs and scart2 output: not in stripped
-          down products of the '3' family */
-       state->has_scart23_in_scart2_out = msp_family >= 4 || msp_prod_lo < 5;
+       /* Has scart2 output: not in stripped down products of the '3' family */
+       state->has_scart2_out = msp_family >= 4 || msp_prod_lo < 5;
        /* Has scart2 a volume control? Not in pre-D revisions. */
-       state->has_scart2_out_volume = msp_revision > 'C' && state->has_scart23_in_scart2_out;
+       state->has_scart2_out_volume = msp_revision > 'C' && state->has_scart2_out;
        /* Has a configurable i2s out? */
        state->has_i2s_conf = msp_revision >= 'G' && msp_prod_lo < 7;
        /* Has subwoofer output: not in pre-D revs and not in stripped down products */
@@ -949,6 +902,8 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
        state->has_virtual_dolby_surround = msp_revision == 'G' && msp_prod_lo == 1;
        /* Has Virtual Dolby Surround & Dolby Pro Logic: only in msp34x2 */
        state->has_dolby_pro_logic = msp_revision == 'G' && msp_prod_lo == 2;
+       /* The msp343xG supports BTSC only and cannot do Automatic Standard Detection. */
+       state->force_btsc = msp_family == 3 && msp_revision == 'G' && msp_prod_hi == 3;
 
        state->opmode = opmode;
        if (state->opmode == OPMODE_AUTO) {
@@ -994,7 +949,7 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
        if (thread_func) {
                state->kthread = kthread_run(thread_func, client, "msp34xx");
 
-               if (state->kthread == NULL)
+               if (IS_ERR(state->kthread))
                        v4l_warn(client, "kernel_thread() failed\n");
                msp_wake_thread(client);
        }