Merge branch 'upstream-linus' of git://oss.oracle.com/home/sourcebo/git/ocfs2

[linux-2.6-omap-h63xx.git] / drivers / media / video / cx25840 / cx25840-core.c

diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c
index 08ffd1f325fcc2c0f8e1c1510ee35396fcabe623..a65b3cc4bf03ff00bd2cf991ccc88abc632adc88 100644 (file)
--- a/drivers/media/video/cx25840/cx25840-core.c
+++ b/drivers/media/video/cx25840/cx25840-core.c
@@ -31,7 +31,6 @@
 #include <linux/slab.h>
 #include <linux/videodev2.h>
 #include <linux/i2c.h>
-#include <media/audiochip.h>
 #include <media/v4l2-common.h>
 
 #include "cx25840.h"
@@ -176,9 +175,9 @@ static void cx25840_initialize(struct i2c_client *client, int loadfw)
        cx25840_write(client, 0x4a5, 0x00);
        cx25840_write(client, 0x402, 0x00);
        /* 8. */
-       cx25840_write(client, 0x401, 0x18);
-       cx25840_write(client, 0x4a2, 0x10);
-       cx25840_write(client, 0x402, 0x04);
+       cx25840_and_or(client, 0x401, ~0x18, 0);
+       cx25840_and_or(client, 0x4a2, ~0x10, 0x10);
+       /* steps 8c and 8d are done in change_input() */
        /* 10. */
        cx25840_write(client, 0x8d3, 0x1f);
        cx25840_write(client, 0x8e3, 0x03);
@@ -209,6 +208,17 @@ static void input_change(struct i2c_client *client)
        struct cx25840_state *state = i2c_get_clientdata(client);
        v4l2_std_id std = cx25840_get_v4lstd(client);
 
+       /* Follow step 8c and 8d of section 3.16 in the cx25840 datasheet */
+       if (std & V4L2_STD_SECAM) {
+               cx25840_write(client, 0x402, 0);
+       }
+       else {
+               cx25840_write(client, 0x402, 0x04);
+               cx25840_write(client, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11);
+       }
+       cx25840_and_or(client, 0x401, ~0x60, 0);
+       cx25840_and_or(client, 0x401, ~0x60, 0x60);
+
        /* Note: perhaps V4L2_STD_PAL_M should be handled as V4L2_STD_NTSC
           instead of V4L2_STD_PAL. Someone needs to test this. */
        if (std & V4L2_STD_PAL) {
@@ -343,6 +353,15 @@ static int set_v4lstd(struct i2c_client *client, v4l2_std_id std)
                }
        }
 
+       /* Follow step 9 of section 3.16 in the cx25840 datasheet.
+          Without this PAL may display a vertical ghosting effect.
+          This happens for example with the Yuan MPC622. */
+       if (fmt >= 4 && fmt < 8) {
+               /* Set format to NTSC-M */
+               cx25840_and_or(client, 0x400, ~0xf, 1);
+               /* Turn off LCOMB */
+               cx25840_and_or(client, 0x47b, ~6, 0);
+       }
        cx25840_and_or(client, 0x400, ~0xf, fmt);
        cx25840_vbi_setup(client);
        return 0;
@@ -359,7 +378,14 @@ v4l2_std_id cx25840_get_v4lstd(struct i2c_client * client)
        }
 
        switch (fmt) {
-       case 0x1: return V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_KR;
+       case 0x1:
+       {
+               /* if the audio std is A2-M, then this is the South Korean
+                  NTSC standard */
+               if (cx25840_read(client, 0x805) == 2)
+                       return V4L2_STD_NTSC_M_KR;
+               return V4L2_STD_NTSC_M;
+       }
        case 0x2: return V4L2_STD_NTSC_M_JP;
        case 0x3: return V4L2_STD_NTSC_443;
        case 0x4: return V4L2_STD_PAL;
@@ -567,7 +593,7 @@ static struct v4l2_queryctrl cx25840_qctrl[] = {
                .type          = V4L2_CTRL_TYPE_INTEGER,
                .name          = "Contrast",
                .minimum       = 0,
-               .maximum       = 255,
+               .maximum       = 127,
                .step          = 1,
                .default_value = 64,
                .flags         = 0,
@@ -576,7 +602,7 @@ static struct v4l2_queryctrl cx25840_qctrl[] = {
                .type          = V4L2_CTRL_TYPE_INTEGER,
                .name          = "Saturation",
                .minimum       = 0,
-               .maximum       = 255,
+               .maximum       = 127,
                .step          = 1,
                .default_value = 64,
                .flags         = 0,
@@ -737,15 +763,6 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
                return set_input(client, state->vid_input, input->index);
        }
 
-       case VIDIOC_G_AUDIO:
-       {
-               struct v4l2_audio *input = arg;
-
-               memset(input, 0, sizeof(*input));
-               input->index = state->aud_input;
-               break;
-       }
-
        case VIDIOC_S_FREQUENCY:
                input_change(client);
                break;
@@ -753,7 +770,6 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
        case VIDIOC_G_TUNER:
        {
                u8 mode = cx25840_read(client, 0x804);
-               u8 pref = cx25840_read(client, 0x809) & 0xf;
                u8 vpres = cx25840_read(client, 0x80a) & 0x10;
                int val = 0;
 
@@ -773,44 +789,50 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
                        val |= V4L2_TUNER_SUB_MONO;
 
                if (mode == 2 || mode == 4)
-                       val |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
+                       val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
 
                if (mode & 0x10)
                        val |= V4L2_TUNER_SUB_SAP;
 
                vt->rxsubchans = val;
-
-               switch (pref) {
-               case 0:
-                       vt->audmode = V4L2_TUNER_MODE_MONO;
-                       break;
-               case 1:
-               case 2:
-                       vt->audmode = V4L2_TUNER_MODE_LANG2;
-                       break;
-               case 4:
-               default:
-                       vt->audmode = V4L2_TUNER_MODE_STEREO;
-               }
+               vt->audmode = state->audmode;
                break;
        }
 
        case VIDIOC_S_TUNER:
+               if (state->radio)
+                       break;
+
                switch (vt->audmode) {
                case V4L2_TUNER_MODE_MONO:
-               case V4L2_TUNER_MODE_LANG1:
-                       /* Force PREF_MODE to MONO */
+                       /* mono      -> mono
+                          stereo    -> mono
+                          bilingual -> lang1 */
                        cx25840_and_or(client, 0x809, ~0xf, 0x00);
                        break;
                case V4L2_TUNER_MODE_STEREO:
-                       /* Force PREF_MODE to STEREO */
+               case V4L2_TUNER_MODE_LANG1:
+                       /* mono      -> mono
+                          stereo    -> stereo
+                          bilingual -> lang1 */
                        cx25840_and_or(client, 0x809, ~0xf, 0x04);
                        break;
+               case V4L2_TUNER_MODE_LANG1_LANG2:
+                       /* mono      -> mono
+                          stereo    -> stereo
+                          bilingual -> lang1/lang2 */
+                       cx25840_and_or(client, 0x809, ~0xf, 0x07);
+                       break;
                case V4L2_TUNER_MODE_LANG2:
-                       /* Force PREF_MODE to LANG2 */
+                       /* mono      -> mono
+                          stereo    -> stereo
+                          bilingual -> lang2 */
                        cx25840_and_or(client, 0x809, ~0xf, 0x01);
                        break;
+               default:
+                       return -EINVAL;
                }
+               state->audmode = vt->audmode;
                break;
 
        case VIDIOC_G_FMT:
@@ -891,6 +913,7 @@ static int cx25840_detect_client(struct i2c_adapter *adapter, int address,
        state->aud_input = CX25840_AUDIO8;
        state->audclk_freq = 48000;
        state->pvr150_workaround = 0;
+       state->audmode = V4L2_TUNER_MODE_LANG1;
 
        cx25840_initialize(client, 1);