]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/media/video/msp3400-driver.c
Merge git://git.infradead.org/~kmpark/onenand-mtd-2.6
[linux-2.6-omap-h63xx.git] / drivers / media / video / msp3400-driver.c
index f2946aca129925d5cdb50279704dcf3bcae2767f..7a11f3159e32b755a3a435b6872590b35f0dc845 100644 (file)
@@ -42,7 +42,8 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
  */
 
 
@@ -72,7 +73,8 @@ int msp_debug;                 /* msp_debug output */
 int msp_once;           /* no continous stereo monitoring */
 int msp_amsound;        /* hard-wire AM sound at 6.5 Hz (france),
                            the autoscan seems work well only with FM... */
-int msp_standard = 1;    /* Override auto detect of audio msp_standard, if needed. */
+int msp_standard = 1;    /* Override auto detect of audio msp_standard,
+                           if needed. */
 int msp_dolby;
 
 int msp_stereo_thresh = 0x190; /* a2 threshold for stereo/bilingual
@@ -82,12 +84,12 @@ int msp_stereo_thresh = 0x190; /* a2 threshold for stereo/bilingual
 module_param(opmode,           int, 0444);
 
 /* read-write */
-module_param_named(once,msp_once,                      bool, 0644);
-module_param_named(debug,msp_debug,                    int,  0644);
-module_param_named(stereo_threshold,msp_stereo_thresh, int,  0644);
-module_param_named(standard,msp_standard,              int,  0644);
-module_param_named(amsound,msp_amsound,                bool, 0644);
-module_param_named(dolby,msp_dolby,                    bool, 0644);
+module_param_named(once, msp_once,                      bool, 0644);
+module_param_named(debug, msp_debug,                    int,  0644);
+module_param_named(stereo_threshold, msp_stereo_thresh, int,  0644);
+module_param_named(standard, msp_standard,              int,  0644);
+module_param_named(amsound, msp_amsound,                bool, 0644);
+module_param_named(dolby, msp_dolby,                    bool, 0644);
 
 MODULE_PARM_DESC(opmode, "Forces a MSP3400 opmode. 0=Manual, 1=Autodetect, 2=Autodetect and autoselect");
 MODULE_PARM_DESC(once, "No continuous stereo monitoring");
@@ -161,12 +163,13 @@ static int msp_read(struct i2c_client *client, int dev, int addr)
                schedule_timeout_interruptible(msecs_to_jiffies(10));
        }
        if (err == 3) {
-               v4l_warn(client, "giving up, resetting chip. Sound will go off, sorry folks :-|\n");
+               v4l_warn(client, "resetting chip, sound will go off.\n");
                msp_reset(client);
                return -1;
        }
        retval = read[0] << 8 | read[1];
-       v4l_dbg(3, msp_debug, client, "msp_read(0x%x, 0x%x): 0x%x\n", dev, addr, retval);
+       v4l_dbg(3, msp_debug, client, "msp_read(0x%x, 0x%x): 0x%x\n",
+                       dev, addr, retval);
        return retval;
 }
 
@@ -191,7 +194,8 @@ static int msp_write(struct i2c_client *client, int dev, int addr, int val)
        buffer[3] = val  >> 8;
        buffer[4] = val  &  0xff;
 
-       v4l_dbg(3, msp_debug, client, "msp_write(0x%x, 0x%x, 0x%x)\n", dev, addr, val);
+       v4l_dbg(3, msp_debug, client, "msp_write(0x%x, 0x%x, 0x%x)\n",
+                       dev, addr, val);
        for (err = 0; err < 3; err++) {
                if (i2c_master_send(client, buffer, 5) == 5)
                        break;
@@ -200,7 +204,7 @@ static int msp_write(struct i2c_client *client, int dev, int addr, int val)
                schedule_timeout_interruptible(msecs_to_jiffies(10));
        }
        if (err == 3) {
-               v4l_warn(client, "giving up, resetting chip. Sound will go off, sorry folks :-|\n");
+               v4l_warn(client, "resetting chip, sound will go off.\n");
                msp_reset(client);
                return -1;
        }
@@ -274,7 +278,7 @@ void msp_set_scart(struct i2c_client *client, int in, int out)
                state->acb = 0xf60; /* Mute Input and SCART 1 Output */
 
        v4l_dbg(1, msp_debug, client, "scart switch: %s => %d (ACB=0x%04x)\n",
-                                               scart_names[in], out, state->acb);
+                                       scart_names[in], out, state->acb);
        msp_write_dsp(client, 0x13, state->acb);
 
        /* Sets I2S speed 0 = 1.024 Mbps, 1 = 2.048 Mbps */
@@ -293,7 +297,8 @@ void msp_set_audio(struct i2c_client *client)
                val = (state->volume * 0x7f / 65535) << 8;
 
        v4l_dbg(1, msp_debug, client, "mute=%s scanning=%s volume=%d\n",
-               state->muted ? "on" : "off", state->scan_in_progress ? "yes" : "no",
+               state->muted ? "on" : "off",
+               state->scan_in_progress ? "yes" : "no",
                state->volume);
 
        msp_write_dsp(client, 0x0000, val);
@@ -682,14 +687,14 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
                v4l_dbg(1, msp_debug, client, "Setting I2S speed to %d\n", *a);
 
                switch (*a) {
-                       case 1024000:
-                               state->i2s_mode = 0;
-                               break;
-                       case 2048000:
-                               state->i2s_mode = 1;
-                               break;
-                       default:
-                               return -EINVAL;
+               case 1024000:
+                       state->i2s_mode = 0;
+                       break;
+               case 2048000:
+                       state->i2s_mode = 1;
+                       break;
+               default:
+                       return -EINVAL;
                }
                break;
        }
@@ -699,22 +704,22 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
                struct v4l2_queryctrl *qc = arg;
 
                switch (qc->id) {
-                       case V4L2_CID_AUDIO_VOLUME:
-                       case V4L2_CID_AUDIO_MUTE:
-                               return v4l2_ctrl_query_fill_std(qc);
-                       default:
-                               break;
+               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) {
-                       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 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;
                }
        }
 
@@ -736,13 +741,14 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
                                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->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 + FM-stereo"; break;
+               case MSP_MODE_FM_TERRA: p = "Terrestial FM-mono/stereo"; break;
                case MSP_MODE_FM_SAT: p = "Satellite FM-mono"; break;
                case MSP_MODE_FM_NICAM1: p = "NICAM/FM (B/G, D/K)"; break;
                case MSP_MODE_FM_NICAM2: p = "NICAM/FM (I)"; break;
@@ -773,7 +779,8 @@ static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
        }
 
        case VIDIOC_G_CHIP_IDENT:
-               return v4l2_chip_ident_i2c_client(client, arg, state->ident, (state->rev1 << 16) | state->rev2);
+               return v4l2_chip_ident_i2c_client(client, arg, state->ident,
+                               (state->rev1 << 16) | state->rev2);
 
        default:
                /* unknown */
@@ -812,13 +819,12 @@ static int msp_probe(struct i2c_client *client)
 
        if (msp_reset(client) == -1) {
                v4l_dbg(1, msp_debug, client, "msp3400 not found\n");
-               return 0;
+               return -ENODEV;
        }
 
        state = kzalloc(sizeof(*state), GFP_KERNEL);
-       if (!state) {
+       if (!state)
                return -ENOMEM;
-       }
 
        i2c_set_clientdata(client, state);
 
@@ -840,11 +846,13 @@ static int msp_probe(struct i2c_client *client)
        state->rev1 = msp_read_dsp(client, 0x1e);
        if (state->rev1 != -1)
                state->rev2 = msp_read_dsp(client, 0x1f);
-       v4l_dbg(1, msp_debug, client, "rev1=0x%04x, rev2=0x%04x\n", state->rev1, state->rev2);
+       v4l_dbg(1, msp_debug, client, "rev1=0x%04x, rev2=0x%04x\n",
+                       state->rev1, state->rev2);
        if (state->rev1 == -1 || (state->rev1 == 0 && state->rev2 == 0)) {
-               v4l_dbg(1, msp_debug, client, "not an msp3400 (cannot read chip version)\n");
+               v4l_dbg(1, msp_debug, client,
+                               "not an msp3400 (cannot read chip version)\n");
                kfree(state);
-               return 0;
+               return -ENODEV;
        }
 
        msp_set_audio(client);
@@ -860,37 +868,55 @@ static int msp_probe(struct i2c_client *client)
                        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 - '@';
+       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;
+       state->has_nicam =
+               msp_prod_hi == 1 || msp_prod_hi == 5;
        /* Has radio support: was added with revision G */
-       state->has_radio = msp_revision >= 'G';
+       state->has_radio =
+               msp_revision >= 'G';
        /* Has headphones output: not for stripped down products */
-       state->has_headphones = msp_prod_lo < 5;
+       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;
+       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;
+       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 output: not in stripped down products of the '3' family */
-       state->has_scart2_out = msp_family >= 4 || msp_prod_lo < 5;
+       state->has_scart4 =
+               msp_family >= 4 || (msp_revision >= 'D' && 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_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 */
-       state->has_subwoofer = msp_revision >= 'D' && msp_prod_lo < 5;
-       /* Has soundprocessing (bass/treble/balance/loudness/equalizer): not in
-          stripped down products */
-       state->has_sound_processing = msp_prod_lo < 7;
+       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 */
+       state->has_subwoofer =
+               msp_revision >= 'D' && msp_prod_lo < 5;
+       /* Has soundprocessing (bass/treble/balance/loudness/equalizer):
+        *  not in stripped down products */
+       state->has_sound_processing =
+               msp_prod_lo < 7;
        /* Has Virtual Dolby Surround: only in msp34x1 */
-       state->has_virtual_dolby_surround = msp_revision == 'G' && msp_prod_lo == 1;
+       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->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) {
@@ -905,32 +931,33 @@ static int msp_probe(struct i2c_client *client)
        }
 
        /* hello world :-) */
-       v4l_info(client, "%s found @ 0x%x (%s)\n", client->name, client->addr << 1, client->adapter->name);
+       v4l_info(client, "%s found @ 0x%x (%s)\n", client->name,
+                       client->addr << 1, client->adapter->name);
        v4l_info(client, "%s ", client->name);
        if (state->has_nicam && state->has_radio)
-               printk("supports nicam and radio, ");
+               printk(KERN_CONT "supports nicam and radio, ");
        else if (state->has_nicam)
-               printk("supports nicam, ");
+               printk(KERN_CONT "supports nicam, ");
        else if (state->has_radio)
-               printk("supports radio, ");
-       printk("mode is ");
+               printk(KERN_CONT "supports radio, ");
+       printk(KERN_CONT "mode is ");
 
        /* version-specific initialization */
        switch (state->opmode) {
        case OPMODE_MANUAL:
-               printk("manual");
+               printk(KERN_CONT "manual");
                thread_func = msp3400c_thread;
                break;
        case OPMODE_AUTODETECT:
-               printk("autodetect");
+               printk(KERN_CONT "autodetect");
                thread_func = msp3410d_thread;
                break;
        case OPMODE_AUTOSELECT:
-               printk("autodetect and autoselect");
+               printk(KERN_CONT "autodetect and autoselect");
                thread_func = msp34xxg_thread;
                break;
        }
-       printk("\n");
+       printk(KERN_CONT "\n");
 
        /* startup control thread if needed */
        if (thread_func) {