V4L/DVB (5524): Usbvision: fix TDA9887 detection
[safe/jmp/linux-2.6] / drivers / media / video / msp3400-driver.c
index 9a47ba2..3bb7d66 100644 (file)
 #include <linux/videodev2.h>
 #include <media/v4l2-common.h>
 #include <media/tvaudio.h>
+#include <media/msp3400.h>
 #include <linux/kthread.h>
-#include <linux/suspend.h>
-#include "msp3400.h"
+#include <linux/freezer.h>
+#include "msp3400-driver.h"
 
 /* ---------------------------------------------------------------------- */
 
@@ -278,20 +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)
@@ -299,17 +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)
@@ -345,7 +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);
@@ -372,20 +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)
@@ -398,67 +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)
 {
@@ -554,7 +480,6 @@ static int msp_set_ctrl(struct i2c_client *client, struct v4l2_control *ctrl)
 static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
 {
        struct msp_state *state = i2c_get_clientdata(client);
-       int scart = -1;
 
        if (msp_debug >= 2)
                v4l_i2c_print_ioctl(client, cmd);
@@ -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);
                }
@@ -652,19 +579,16 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
        }
 
        case VIDIOCSFREQ:
-       case VIDIOC_S_FREQUENCY:
        {
                /* new channel -- kick audio carrier scan */
                msp_wake_thread(client);
                break;
        }
-
-       /* msp34xx specific */
-       case MSP_SET_MATRIX:
+#endif
+       case VIDIOC_S_FREQUENCY:
        {
-               struct msp_matrix *mspm = arg;
-
-               msp_set_scart(client, mspm->input - 1, mspm->output);
+               /* new channel -- kick audio carrier scan */
+               msp_wake_thread(client);
                break;
        }
 
@@ -681,35 +605,44 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
                return 0;
        }
 
-       case VIDIOC_S_AUDIO:
+       case VIDIOC_INT_G_AUDIO_ROUTING:
        {
-               struct v4l2_audio *sarg = arg;
+               struct v4l2_routing *rt = arg;
 
-               switch (sarg->index) {
-               case TVAUDIO_INPUT_RADIO:
-                       /* Hauppauge uses IN2 for the radio */
-                       state->mode = MSP_MODE_FM_RADIO;
-                       scart       = SCART_IN2;
-                       break;
-               case TVAUDIO_INPUT_EXTERN:
-                       /* IN1 is often used for external input ... */
-                       state->mode = MSP_MODE_EXTERN;
-                       scart       = SCART_IN1;
-                       break;
-               case TVAUDIO_INPUT_INTERN:
-                       /* ... sometimes it is IN2 through ;) */
-                       state->mode = MSP_MODE_EXTERN;
-                       scart       = SCART_IN2;
-                       break;
-               case TVAUDIO_INPUT_TUNER:
-                       state->mode = -1;
+               *rt = state->routing;
+               break;
+       }
+
+       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;
                }
-               if (scart >= 0) {
-                       state->rxsubchans = V4L2_TUNER_SUB_STEREO;
-                       msp_set_scart(client, scart, 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;
        }
@@ -724,7 +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;
        }
@@ -735,48 +668,14 @@ 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);
                break;
        }
 
-       case VIDIOC_G_AUDOUT:
-       {
-               struct v4l2_audioout *a = (struct v4l2_audioout *)arg;
-               int idx = a->index;
-
-               memset(a, 0, sizeof(*a));
-
-               switch (idx) {
-               case 0:
-                       strcpy(a->name, "Scart1 Out");
-                       break;
-               case 1:
-                       strcpy(a->name, "Scart2 Out");
-                       break;
-               case 2:
-                       strcpy(a->name, "I2S Out");
-                       break;
-               default:
-                       return -EINVAL;
-               }
-               break;
-       }
-
-       case VIDIOC_S_AUDOUT:
-       {
-               struct v4l2_audioout *a = (struct v4l2_audioout *)arg;
-
-               if (a->index < 0 || a->index > 2)
-                       return -EINVAL;
-
-               v4l_dbg(1, msp_debug, client, "Setting audio out on msp34xx to input %i\n", a->index);
-               msp_set_scart(client, state->in_scart, a->index + 1);
-
-               break;
-       }
-
        case VIDIOC_INT_I2S_CLOCK_FREQ:
        {
                u32 *a = (u32 *)arg;
@@ -799,21 +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:
@@ -849,7 +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" : "");
@@ -862,10 +767,15 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
                                (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;
@@ -873,18 +783,16 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
        return 0;
 }
 
-static int msp_suspend(struct device * dev, pm_message_t state)
+static int msp_suspend(struct i2c_client *client, pm_message_t state)
 {
-       struct i2c_client *client = container_of(dev, struct i2c_client, dev);
 
        v4l_dbg(1, msp_debug, client, "suspend\n");
        msp_reset(client);
        return 0;
 }
 
-static int msp_resume(struct device * dev)
+static int msp_resume(struct i2c_client *client)
 {
-       struct i2c_client *client = container_of(dev, struct i2c_client, dev);
 
        v4l_dbg(1, msp_debug, client, "resume\n");
        msp_wake_thread(client);
@@ -918,7 +826,7 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
        if (msp_reset(client) == -1) {
                v4l_dbg(1, msp_debug, client, "msp3400 not found\n");
                kfree(client);
-               return -1;
+               return 0;
        }
 
        state = kmalloc(sizeof(*state), GFP_KERNEL);
@@ -930,7 +838,7 @@ 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;
@@ -940,6 +848,9 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
        state->muted = 0;
        state->i2s_mode = 0;
        init_waitqueue_head(&state->wq);
+       /* These are the reset input/output positions */
+       state->routing.input = MSP_INPUT_DEFAULT;
+       state->routing.output = MSP_OUTPUT_DEFAULT;
 
        state->rev1 = msp_read_dsp(client, 0x1e);
        if (state->rev1 != -1)
@@ -949,7 +860,7 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
                v4l_dbg(1, msp_debug, client, "not an msp3400 (cannot read chip version)\n");
                kfree(state);
                kfree(client);
-               return -1;
+               return 0;
        }
 
        msp_set_audio(client);
@@ -964,6 +875,8 @@ static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
        snprintf(client->name, sizeof(client->name), "MSP%d4%02d%c-%c%d",
                        msp_family, msp_product,
                        msp_revision, msp_hard, msp_rom);
+       /* Rev B=2, C=3, D=4, G=7 */
+       state->ident = msp_family * 10000 + 4000 + msp_product * 10 + msp_revision - '@';
 
        /* Has NICAM support: all mspx41x and mspx45x products have NICAM */
        state->has_nicam = msp_prod_hi == 1 || msp_prod_hi == 5;
@@ -971,13 +884,16 @@ 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 */
@@ -989,6 +905,8 @@ 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) {
@@ -1034,7 +952,7 @@ 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);
        }
@@ -1081,11 +999,11 @@ static struct i2c_driver i2c_driver = {
        .id             = I2C_DRIVERID_MSP3400,
        .attach_adapter = msp_probe,
        .detach_client  = msp_detach,
+       .suspend = msp_suspend,
+       .resume  = msp_resume,
        .command        = msp_command,
        .driver = {
                .name    = "msp3400",
-               .suspend = msp_suspend,
-               .resume  = msp_resume,
        },
 };