[PATCH] v4l: 648: some clean up in cx88 tvaudio c

- Some clean up in cx88-tvaudio.c

Signed-off-by: Torsten Seeboth <Torsten.Seeboth@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 311 insertions, 332 deletions

diff --git a/drivers/media/video/cx88/cx88-tvaudio.c b/drivers/media/video/cx88/cx88-tvaudio.c
index 2765acee0285..b6431cb78a59 100644
--- a/drivers/media/video/cx88/cx88-tvaudio.c
+++ b/drivers/media/video/cx88/cx88-tvaudio.c
@@ -271,248 +271,102 @@ static void set_audio_standard_BTSC(struct cx88_core *core, unsigned int sap, u3
 	}
 }
 
-
-static void set_audio_standard_NICAM_L(struct cx88_core *core, int stereo)
+static void set_audio_standard_NICAM(struct cx88_core *core, u32 mode)
 {
-	/* This is probably weird..
-	* Let's operate and find out. */
-
-	static const struct rlist nicam_l_mono[] = {
-		{ AUD_ERRLOGPERIOD_R,     0x00000064 },
-		{ AUD_ERRINTRPTTHSHLD1_R, 0x00000FFF },
-		{ AUD_ERRINTRPTTHSHLD2_R, 0x0000001F },
-		{ AUD_ERRINTRPTTHSHLD3_R, 0x0000000F },
-
-		{ AUD_PDF_DDS_CNST_BYTE2, 0x48 },
-		{ AUD_PDF_DDS_CNST_BYTE1, 0x3D },
-		{ AUD_QAM_MODE,           0x00 },
-		{ AUD_PDF_DDS_CNST_BYTE0, 0xf5 },
-		{ AUD_PHACC_FREQ_8MSB,    0x3a },
-		{ AUD_PHACC_FREQ_8LSB,    0x4a },
-
-		{ AUD_DEEMPHGAIN_R, 0x6680 },
-		{ AUD_DEEMPHNUMER1_R, 0x353DE },
-		{ AUD_DEEMPHNUMER2_R, 0x1B1 },
-		{ AUD_DEEMPHDENOM1_R, 0x0F3D0 },
-		{ AUD_DEEMPHDENOM2_R, 0x0 },
-		{ AUD_FM_MODE_ENABLE, 0x7 },
-		{ AUD_POLYPH80SCALEFAC, 0x3 },
-		{ AUD_AFE_12DB_EN, 0x1 },
-		{ AAGC_GAIN, 0x0 },
-		{ AAGC_HYST, 0x18 },
-		{ AAGC_DEF, 0x20 },
-		{ AUD_DN0_FREQ, 0x0 },
-		{ AUD_POLY0_DDS_CONSTANT, 0x0E4DB2 },
-		{ AUD_DCOC_0_SRC, 0x21 },
-		{ AUD_IIR1_0_SEL, 0x0 },
-		{ AUD_IIR1_0_SHIFT, 0x7 },
-		{ AUD_IIR1_1_SEL, 0x2 },
-		{ AUD_IIR1_1_SHIFT, 0x0 },
-		{ AUD_DCOC_1_SRC, 0x3 },
-		{ AUD_DCOC1_SHIFT, 0x0 },
-		{ AUD_DCOC_PASS_IN, 0x0 },
-		{ AUD_IIR1_2_SEL, 0x23 },
-		{ AUD_IIR1_2_SHIFT, 0x0 },
-		{ AUD_IIR1_3_SEL, 0x4 },
-		{ AUD_IIR1_3_SHIFT, 0x7 },
-		{ AUD_IIR1_4_SEL, 0x5 },
-		{ AUD_IIR1_4_SHIFT, 0x7 },
-		{ AUD_IIR3_0_SEL, 0x7 },
-		{ AUD_IIR3_0_SHIFT, 0x0 },
-		{ AUD_DEEMPH0_SRC_SEL, 0x11 },
-		{ AUD_DEEMPH0_SHIFT, 0x0 },
-		{ AUD_DEEMPH0_G0, 0x7000 },
-		{ AUD_DEEMPH0_A0, 0x0 },
-		{ AUD_DEEMPH0_B0, 0x0 },
-		{ AUD_DEEMPH0_A1, 0x0 },
-		{ AUD_DEEMPH0_B1, 0x0 },
-		{ AUD_DEEMPH1_SRC_SEL, 0x11 },
-		{ AUD_DEEMPH1_SHIFT, 0x0 },
-		{ AUD_DEEMPH1_G0, 0x7000 },
-		{ AUD_DEEMPH1_A0, 0x0 },
-		{ AUD_DEEMPH1_B0, 0x0 },
-		{ AUD_DEEMPH1_A1, 0x0 },
-		{ AUD_DEEMPH1_B1, 0x0 },
-		{ AUD_OUT0_SEL, 0x3F },
-		{ AUD_OUT1_SEL, 0x3F },
-		{ AUD_DMD_RA_DDS, 0x0F5C285 },
-		{ AUD_PLL_INT, 0x1E },
-		{ AUD_PLL_DDS, 0x0 },
-		{ AUD_PLL_FRAC, 0x0E542 },
-
-		// setup QAM registers
-		{ AUD_RATE_ADJ1,      0x00000100 },
-		{ AUD_RATE_ADJ2,      0x00000200 },
-		{ AUD_RATE_ADJ3,      0x00000300 },
-		{ AUD_RATE_ADJ4,      0x00000400 },
-		{ AUD_RATE_ADJ5,      0x00000500 },
-		{ AUD_RATE_THRES_DMD, 0x000000C0 },
-		{ /* end of list */ },
-	};
-
 	static const struct rlist nicam_l[] = {
-		// setup QAM registers
-		{ AUD_RATE_ADJ1, 0x00000060 },
-		{ AUD_RATE_ADJ2, 0x000000F9 },
-		{ AUD_RATE_ADJ3, 0x000001CC },
-		{ AUD_RATE_ADJ4, 0x000002B3 },
-		{ AUD_RATE_ADJ5, 0x00000726 },
-		{ AUD_DEEMPHDENOM1_R, 0x0000F3D0 },
-		{ AUD_DEEMPHDENOM2_R, 0x00000000 },
-		{ AUD_ERRLOGPERIOD_R, 0x00000064 },
-		{ AUD_ERRINTRPTTHSHLD1_R, 0x00000FFF },
-		{ AUD_ERRINTRPTTHSHLD2_R, 0x0000001F },
-		{ AUD_ERRINTRPTTHSHLD3_R, 0x0000000F },
-		{ AUD_POLYPH80SCALEFAC, 0x00000003 },
-		{ AUD_DMD_RA_DDS, 0x00C00000 },
-		{ AUD_PLL_INT, 0x0000001E },
-		{ AUD_PLL_DDS, 0x00000000 },
-		{ AUD_PLL_FRAC, 0x0000E542 },
-		{ AUD_START_TIMER, 0x00000000 },
-		{ AUD_DEEMPHNUMER1_R, 0x000353DE },
-		{ AUD_DEEMPHNUMER2_R, 0x000001B1 },
-		{ AUD_PDF_DDS_CNST_BYTE2, 0x06 },
-		{ AUD_PDF_DDS_CNST_BYTE1, 0x82 },
-		{ AUD_QAM_MODE, 0x05 },
-		{ AUD_PDF_DDS_CNST_BYTE0, 0x12 },
-		{ AUD_PHACC_FREQ_8MSB, 0x34 },
-		{ AUD_PHACC_FREQ_8LSB, 0x4C },
-		{ AUD_DEEMPHGAIN_R, 0x00006680 },
-		{ AUD_RATE_THRES_DMD, 0x000000C0  },
-		{ /* end of list */ },
-	} ;
-	dprintk("%s (status: devel), stereo : %d\n",__FUNCTION__,stereo);
-
-	if (!stereo) {
-	/* AM Mono */
-		set_audio_start(core, SEL_A2);
-		set_audio_registers(core, nicam_l_mono);
-	set_audio_finish(core, EN_A2_FORCE_MONO1);
-	} else {
-	/* Nicam Stereo */
-		set_audio_start(core, SEL_NICAM);
-		set_audio_registers(core, nicam_l);
-	set_audio_finish(core, 0x1924); /* FIXME */
-	}
-}
-
-static void set_audio_standard_PAL_I(struct cx88_core *core, int stereo)
-{
-       static const struct rlist pal_i_fm_mono[] = {
-	{AUD_ERRLOGPERIOD_R,       0x00000064},
-	{AUD_ERRINTRPTTHSHLD1_R,   0x00000fff},
-	{AUD_ERRINTRPTTHSHLD2_R,   0x0000001f},
-	{AUD_ERRINTRPTTHSHLD3_R,   0x0000000f},
-	{AUD_PDF_DDS_CNST_BYTE2,   0x06},
-	{AUD_PDF_DDS_CNST_BYTE1,   0x82},
-	{AUD_PDF_DDS_CNST_BYTE0,   0x12},
-	{AUD_QAM_MODE,             0x05},
-	{AUD_PHACC_FREQ_8MSB,      0x3a},
-	{AUD_PHACC_FREQ_8LSB,      0x93},
-	{AUD_DMD_RA_DDS,           0x002a4f2f},
-	{AUD_PLL_INT,              0x0000001e},
-	{AUD_PLL_DDS,              0x00000004},
-	{AUD_PLL_FRAC,             0x0000e542},
-	{AUD_RATE_ADJ1,            0x00000100},
-	{AUD_RATE_ADJ2,            0x00000200},
-	{AUD_RATE_ADJ3,            0x00000300},
-	{AUD_RATE_ADJ4,            0x00000400},
-	{AUD_RATE_ADJ5,            0x00000500},
-	{AUD_THR_FR,               0x00000000},
-	{AUD_PILOT_BQD_1_K0,       0x0000755b},
-	{AUD_PILOT_BQD_1_K1,       0x00551340},
-	{AUD_PILOT_BQD_1_K2,       0x006d30be},
-	{AUD_PILOT_BQD_1_K3,       0xffd394af},
-	{AUD_PILOT_BQD_1_K4,       0x00400000},
-	{AUD_PILOT_BQD_2_K0,       0x00040000},
-	{AUD_PILOT_BQD_2_K1,       0x002a4841},
-	{AUD_PILOT_BQD_2_K2,       0x00400000},
-	{AUD_PILOT_BQD_2_K3,       0x00000000},
-	{AUD_PILOT_BQD_2_K4,       0x00000000},
-	{AUD_MODE_CHG_TIMER,       0x00000060},
-	{AUD_AFE_12DB_EN,          0x00000001},
-	{AAGC_HYST,                0x0000000a},
-	{AUD_CORDIC_SHIFT_0,       0x00000007},
-	{AUD_CORDIC_SHIFT_1,       0x00000007},
-	{AUD_C1_UP_THR,            0x00007000},
-	{AUD_C1_LO_THR,            0x00005400},
-	{AUD_C2_UP_THR,            0x00005400},
-	{AUD_C2_LO_THR,            0x00003000},
-	{AUD_DCOC_0_SRC,           0x0000001a},
-	{AUD_DCOC0_SHIFT,          0x00000000},
-	{AUD_DCOC_0_SHIFT_IN0,     0x0000000a},
-	{AUD_DCOC_0_SHIFT_IN1,     0x00000008},
-	{AUD_DCOC_PASS_IN,         0x00000003},
-	{AUD_IIR3_0_SEL,           0x00000021},
-	{AUD_DN2_AFC,              0x00000002},
-	{AUD_DCOC_1_SRC,           0x0000001b},
-	{AUD_DCOC1_SHIFT,          0x00000000},
-	{AUD_DCOC_1_SHIFT_IN0,     0x0000000a},
-	{AUD_DCOC_1_SHIFT_IN1,     0x00000008},
-	{AUD_IIR3_1_SEL,           0x00000023},
-	{AUD_DN0_FREQ,             0x000035a3},
-	{AUD_DN2_FREQ,             0x000029c7},
-	{AUD_CRDC0_SRC_SEL,        0x00000511},
-	{AUD_IIR1_0_SEL,           0x00000001},
-	{AUD_IIR1_1_SEL,           0x00000000},
-	{AUD_IIR3_2_SEL,           0x00000003},
-	{AUD_IIR3_2_SHIFT,         0x00000000},
-	{AUD_IIR3_0_SEL,           0x00000002},
-	{AUD_IIR2_0_SEL,           0x00000021},
-	{AUD_IIR2_0_SHIFT,         0x00000002},
-	{AUD_DEEMPH0_SRC_SEL,      0x0000000b},
-	{AUD_DEEMPH1_SRC_SEL,      0x0000000b},
-	{AUD_POLYPH80SCALEFAC,     0x00000001},
-	{AUD_START_TIMER,          0x00000000},
+	{ AUD_AFE_12DB_EN,         0x00000001},
+	{ AUD_RATE_ADJ1, 	   0x00000060 },
+	{ AUD_RATE_ADJ2,	   0x000000F9 },
+	{ AUD_RATE_ADJ3, 	   0x000001CC },
+	{ AUD_RATE_ADJ4, 	   0x000002B3 },
+	{ AUD_RATE_ADJ5, 	   0x00000726 },
+	{ AUD_DEEMPHDENOM1_R, 	   0x0000F3D0 },
+	{ AUD_DEEMPHDENOM2_R, 	   0x00000000 },
+	{ AUD_ERRLOGPERIOD_R, 	   0x00000064 },
+	{ AUD_ERRINTRPTTHSHLD1_R,  0x00000FFF },
+	{ AUD_ERRINTRPTTHSHLD2_R,  0x0000001F },
+	{ AUD_ERRINTRPTTHSHLD3_R,  0x0000000F },
+	{ AUD_POLYPH80SCALEFAC,    0x00000003 },
+	{ AUD_DMD_RA_DDS,          0x00C00000 },
+	{ AUD_PLL_INT,             0x0000001E },
+	{ AUD_PLL_DDS,             0x00000000 },
+	{ AUD_PLL_FRAC,            0x0000E542 },
+	{ AUD_START_TIMER, 	   0x00000000 },
+	{ AUD_DEEMPHNUMER1_R,      0x000353DE },
+	{ AUD_DEEMPHNUMER2_R,      0x000001B1 },
+	{ AUD_PDF_DDS_CNST_BYTE2,  0x06 },
+	{ AUD_PDF_DDS_CNST_BYTE1,  0x82 },
+	{ AUD_PDF_DDS_CNST_BYTE0,  0x12 },
+	{ AUD_QAM_MODE, 	   0x05 },
+	{ AUD_PHACC_FREQ_8MSB,     0x34 },
+	{ AUD_PHACC_FREQ_8LSB,     0x4C },
+	{ AUD_DEEMPHGAIN_R, 	   0x00006680 },
+	{ AUD_RATE_THRES_DMD,      0x000000C0  },
 	{ /* end of list */ },
-       };
+	} ;
 
-       static const struct rlist pal_i_nicam[] = {
+	static const struct rlist nicam_bgdki_common[] = {
+	{ AUD_AFE_12DB_EN,         0x00000001},
 	{ AUD_RATE_ADJ1,           0x00000010 },
 	{ AUD_RATE_ADJ2,           0x00000040 },
 	{ AUD_RATE_ADJ3,           0x00000100 },
 	{ AUD_RATE_ADJ4,           0x00000400 },
 	{ AUD_RATE_ADJ5,           0x00001000 },
-	//     { AUD_DMD_RA_DDS,          0x00c0d5ce },
-	{ AUD_DEEMPHGAIN_R,        0x000023c2 },
-	{ AUD_DEEMPHNUMER1_R,      0x0002a7bc },
-	{ AUD_DEEMPHNUMER2_R,      0x0003023e },
-	{ AUD_DEEMPHDENOM1_R,      0x0000f3d0 },
-	{ AUD_DEEMPHDENOM2_R,      0x00000000 },
-	{ AUD_DEEMPHDENOM2_R,      0x00000000 },
-	{ AUD_ERRLOGPERIOD_R,      0x00000fff },
-	{ AUD_ERRINTRPTTHSHLD1_R,  0x000003ff },
-	{ AUD_ERRINTRPTTHSHLD2_R,  0x000000ff },
-	{ AUD_ERRINTRPTTHSHLD3_R,  0x0000003f },
-	{ AUD_POLYPH80SCALEFAC,    0x00000003 },
-	{ AUD_PDF_DDS_CNST_BYTE2,  0x06 },
+	//{ AUD_DMD_RA_DDS,        0x00c0d5ce },
+	{ AUD_ERRLOGPERIOD_R,	   0x00000fff},
+	{ AUD_ERRINTRPTTHSHLD1_R,  0x000003ff},
+	{ AUD_ERRINTRPTTHSHLD2_R,  0x000000ff},
+	{ AUD_ERRINTRPTTHSHLD3_R,  0x0000003f},
+	{ AUD_POLYPH80SCALEFAC,    0x00000003},
+	{ AUD_DEEMPHGAIN_R,        0x000023c2},
+	{ AUD_DEEMPHNUMER1_R,      0x0002a7bc},
+	{ AUD_DEEMPHNUMER2_R,      0x0003023e},
+	{ AUD_DEEMPHDENOM1_R,      0x0000f3d0},
+	{ AUD_DEEMPHDENOM2_R,      0x00000000},
 	{ AUD_PDF_DDS_CNST_BYTE1,  0x82 },
 	{ AUD_PDF_DDS_CNST_BYTE0,  0x16 },
 	{ AUD_QAM_MODE,            0x05 },
+	{ /* end of list */ },
+	};
+
+	static const struct rlist nicam_i[] = {
 	{ AUD_PDF_DDS_CNST_BYTE0,  0x12 },
 	{ AUD_PHACC_FREQ_8MSB,     0x3a },
 	{ AUD_PHACC_FREQ_8LSB,     0x93 },
 	{ /* end of list */ },
 	};
 
-	dprintk("%s (status: devel), stereo : %d\n",__FUNCTION__,stereo);
+	static const struct rlist nicam_default[] = {
+	{ AUD_PDF_DDS_CNST_BYTE0,  0x16 },
+	{ AUD_PHACC_FREQ_8MSB,     0x34 },
+	{ AUD_PHACC_FREQ_8LSB,     0x4c },
+	{ /* end of list */ },
+	};
 
-	if (!stereo) {
-	/* FM Mono */
-	set_audio_start(core, SEL_A2);
-		set_audio_registers(core, pal_i_fm_mono);
-		set_audio_finish(core, EN_DMTRX_SUMDIFF | EN_A2_FORCE_MONO1);
-	} else {
-	/* Nicam Stereo */
-	set_audio_start(core, SEL_NICAM);
-		set_audio_registers(core, pal_i_nicam);
-		set_audio_finish(core, EN_DMTRX_LR | EN_DMTRX_BYPASS | EN_NICAM_AUTO_STEREO);
-	}
+	switch (core->tvaudio) {
+	case WW_L:
+		dprintk("%s SECAM-L NICAM (status: devel)\n",__FUNCTION__);
+		set_audio_registers(core, nicam_l);
+		break;
+	case WW_I:
+		dprintk("%s PAL-I NICAM (status: devel)\n",__FUNCTION__);
+		set_audio_registers(core, nicam_bgdki_common);
+		set_audio_registers(core, nicam_i);
+		break;
+	default:
+		dprintk("%s PAL-BGDK NICAM (status: unknown)\n",__FUNCTION__);
+		set_audio_registers(core, nicam_bgdki_common);
+		set_audio_registers(core, nicam_default);
+		break;
+	};
+
+	mode |= EN_DMTRX_LR | EN_DMTRX_BYPASS;
+	set_audio_finish(core, mode);
 }
 
 static void set_audio_standard_A2(struct cx88_core *core, u32 mode)
 {
-	static const struct rlist a2_common[] = {
+	static const struct rlist a2_bgdk_common[] = {
 	{AUD_ERRLOGPERIOD_R,            0x00000064},
 	{AUD_ERRINTRPTTHSHLD1_R,        0x00000fff},
 	{AUD_ERRINTRPTTHSHLD2_R,        0x0000001f},
@@ -576,7 +430,7 @@ static void set_audio_standard_A2(struct cx88_core *core, u32 mode)
 	{AUD_C1_LO_THR,                 0x00005400},
 	{AUD_C2_UP_THR,                 0x00005400},
 	{AUD_C2_LO_THR,                 0x00003000},
-		{ /* end of list */ },
+	{ /* end of list */ },
 	};
 
 	static const struct rlist a2_dk[] = {
@@ -587,24 +441,145 @@ static void set_audio_standard_A2(struct cx88_core *core, u32 mode)
 	{AUD_C2_LO_THR,                 0x00003000},
 	{AUD_DN0_FREQ,                  0x00003a1c},
 	{AUD_DN2_FREQ,                  0x0000d2e0},
-		{ /* end of list */ },
+	{ /* end of list */ },
 	};
-/* unknown, probably NTSC-M */
-	static const struct rlist a2_m[] = {
-	{AUD_DMD_RA_DDS,                0x002a0425},
-	{AUD_C1_UP_THR,                 0x00003c00},
-	{AUD_C1_LO_THR,                 0x00003000},
-	{AUD_C2_UP_THR,                 0x00006000},
-	{AUD_C2_LO_THR,                 0x00003c00},
-	{AUD_DEEMPH0_A0,                0x00007a80},
-	{AUD_DEEMPH1_A0,                0x00007a80},
-	{AUD_DEEMPH0_G0,                0x00001200},
-	{AUD_DEEMPH1_G0,                0x00001200},
-	{AUD_DN0_FREQ,                  0x0000283b},
-	{AUD_DN1_FREQ,                  0x00003418},
-	{AUD_DN2_FREQ,                  0x000029c7},
-	{AUD_POLY0_DDS_CONSTANT,        0x000a7540},
-		{ /* end of list */ },
+
+	static const struct rlist a1_i[] = {
+	{AUD_ERRLOGPERIOD_R,       	0x00000064},
+	{AUD_ERRINTRPTTHSHLD1_R,   	0x00000fff},
+	{AUD_ERRINTRPTTHSHLD2_R,   	0x0000001f},
+	{AUD_ERRINTRPTTHSHLD3_R,   	0x0000000f},
+	{AUD_PDF_DDS_CNST_BYTE2,   	0x06},
+	{AUD_PDF_DDS_CNST_BYTE1,   	0x82},
+	{AUD_PDF_DDS_CNST_BYTE0,   	0x12},
+	{AUD_QAM_MODE,             	0x05},
+	{AUD_PHACC_FREQ_8MSB,      	0x3a},
+	{AUD_PHACC_FREQ_8LSB,      	0x93},
+	{AUD_DMD_RA_DDS,           	0x002a4f2f},
+	{AUD_PLL_INT,              	0x0000001e},
+	{AUD_PLL_DDS,              	0x00000004},
+	{AUD_PLL_FRAC,             	0x0000e542},
+	{AUD_RATE_ADJ1,            	0x00000100},
+	{AUD_RATE_ADJ2,            	0x00000200},
+	{AUD_RATE_ADJ3,            	0x00000300},
+	{AUD_RATE_ADJ4,            	0x00000400},
+	{AUD_RATE_ADJ5,            	0x00000500},
+	{AUD_THR_FR,               	0x00000000},
+	{AUD_PILOT_BQD_1_K0,       	0x0000755b},
+	{AUD_PILOT_BQD_1_K1,       	0x00551340},
+	{AUD_PILOT_BQD_1_K2,       	0x006d30be},
+	{AUD_PILOT_BQD_1_K3,       	0xffd394af},
+	{AUD_PILOT_BQD_1_K4,       	0x00400000},
+	{AUD_PILOT_BQD_2_K0,       	0x00040000},
+	{AUD_PILOT_BQD_2_K1,       	0x002a4841},
+	{AUD_PILOT_BQD_2_K2,       	0x00400000},
+	{AUD_PILOT_BQD_2_K3,       	0x00000000},
+	{AUD_PILOT_BQD_2_K4,       	0x00000000},
+	{AUD_MODE_CHG_TIMER,       	0x00000060},
+	{AUD_AFE_12DB_EN,          	0x00000001},
+	{AAGC_HYST,                	0x0000000a},
+	{AUD_CORDIC_SHIFT_0,       	0x00000007},
+	{AUD_CORDIC_SHIFT_1,       	0x00000007},
+	{AUD_C1_UP_THR,            	0x00007000},
+	{AUD_C1_LO_THR,            	0x00005400},
+	{AUD_C2_UP_THR,            	0x00005400},
+	{AUD_C2_LO_THR,            	0x00003000},
+	{AUD_DCOC_0_SRC,           	0x0000001a},
+	{AUD_DCOC0_SHIFT,          	0x00000000},
+	{AUD_DCOC_0_SHIFT_IN0,     	0x0000000a},
+	{AUD_DCOC_0_SHIFT_IN1,     	0x00000008},
+	{AUD_DCOC_PASS_IN,         	0x00000003},
+	{AUD_IIR3_0_SEL,           	0x00000021},
+	{AUD_DN2_AFC,              	0x00000002},
+	{AUD_DCOC_1_SRC,           	0x0000001b},
+	{AUD_DCOC1_SHIFT,          	0x00000000},
+	{AUD_DCOC_1_SHIFT_IN0,     	0x0000000a},
+	{AUD_DCOC_1_SHIFT_IN1,     	0x00000008},
+	{AUD_IIR3_1_SEL,           	0x00000023},
+	{AUD_DN0_FREQ,             	0x000035a3},
+	{AUD_DN2_FREQ,             	0x000029c7},
+	{AUD_CRDC0_SRC_SEL,        	0x00000511},
+	{AUD_IIR1_0_SEL,           	0x00000001},
+	{AUD_IIR1_1_SEL,           	0x00000000},
+	{AUD_IIR3_2_SEL,           	0x00000003},
+	{AUD_IIR3_2_SHIFT,         	0x00000000},
+	{AUD_IIR3_0_SEL,           	0x00000002},
+	{AUD_IIR2_0_SEL,           	0x00000021},
+	{AUD_IIR2_0_SHIFT,         	0x00000002},
+	{AUD_DEEMPH0_SRC_SEL,      	0x0000000b},
+	{AUD_DEEMPH1_SRC_SEL,      	0x0000000b},
+	{AUD_POLYPH80SCALEFAC,     	0x00000001},
+	{AUD_START_TIMER,          	0x00000000},
+	{ /* end of list */ },
+	};
+
+	static const struct rlist am_l[] = {
+	{AUD_ERRLOGPERIOD_R,      	0x00000064},
+	{AUD_ERRINTRPTTHSHLD1_R,  	0x00000FFF},
+	{AUD_ERRINTRPTTHSHLD2_R,  	0x0000001F},
+	{AUD_ERRINTRPTTHSHLD3_R,  	0x0000000F},
+	{AUD_PDF_DDS_CNST_BYTE2,  	0x48},
+	{AUD_PDF_DDS_CNST_BYTE1,  	0x3D},
+	{AUD_QAM_MODE,            	0x00},
+	{AUD_PDF_DDS_CNST_BYTE0,  	0xf5},
+	{AUD_PHACC_FREQ_8MSB,     	0x3a},
+	{AUD_PHACC_FREQ_8LSB,     	0x4a},
+	{AUD_DEEMPHGAIN_R, 	   	0x00006680},
+	{AUD_DEEMPHNUMER1_R,      	0x000353DE},
+	{AUD_DEEMPHNUMER2_R,      	0x000001B1},
+	{AUD_DEEMPHDENOM1_R,      	0x0000F3D0},
+	{AUD_DEEMPHDENOM2_R,      	0x00000000},
+	{AUD_FM_MODE_ENABLE,      	0x00000007},
+	{AUD_POLYPH80SCALEFAC,    	0x00000003},
+	{AUD_AFE_12DB_EN,         	0x00000001},
+	{AAGC_GAIN,               	0x00000000},
+	{AAGC_HYST,               	0x00000018},
+	{AAGC_DEF,                	0x00000020},
+	{AUD_DN0_FREQ,            	0x00000000},
+	{AUD_POLY0_DDS_CONSTANT,  	0x000E4DB2},
+	{AUD_DCOC_0_SRC,          	0x00000021},
+	{AUD_IIR1_0_SEL,          	0x00000000},
+	{AUD_IIR1_0_SHIFT,        	0x00000007},
+	{AUD_IIR1_1_SEL,          	0x00000002},
+	{AUD_IIR1_1_SHIFT,        	0x00000000},
+	{AUD_DCOC_1_SRC,          	0x00000003},
+	{AUD_DCOC1_SHIFT,         	0x00000000},
+	{AUD_DCOC_PASS_IN,        	0x00000000},
+	{AUD_IIR1_2_SEL,          	0x00000023},
+	{AUD_IIR1_2_SHIFT,		0x00000000},
+	{AUD_IIR1_3_SEL,          	0x00000004},
+	{AUD_IIR1_3_SHIFT,        	0x00000007},
+	{AUD_IIR1_4_SEL,          	0x00000005},
+	{AUD_IIR1_4_SHIFT,        	0x00000007},
+	{AUD_IIR3_0_SEL,          	0x00000007},
+	{AUD_IIR3_0_SHIFT,        	0x00000000},
+	{AUD_DEEMPH0_SRC_SEL,     	0x00000011},
+	{AUD_DEEMPH0_SHIFT,       	0x00000000},
+	{AUD_DEEMPH0_G0,          	0x00007000},
+	{AUD_DEEMPH0_A0,          	0x00000000},
+	{AUD_DEEMPH0_B0,          	0x00000000},
+	{AUD_DEEMPH0_A1,          	0x00000000},
+	{AUD_DEEMPH0_B1,          	0x00000000},
+	{AUD_DEEMPH1_SRC_SEL,     	0x00000011},
+	{AUD_DEEMPH1_SHIFT,       	0x00000000},
+	{AUD_DEEMPH1_G0,          	0x00007000},
+	{AUD_DEEMPH1_A0,          	0x00000000},
+	{AUD_DEEMPH1_B0,          	0x00000000},
+	{AUD_DEEMPH1_A1,          	0x00000000},
+	{AUD_DEEMPH1_B1,          	0x00000000},
+	{AUD_OUT0_SEL,            	0x0000003F},
+	{AUD_OUT1_SEL,            	0x0000003F},
+	{AUD_DMD_RA_DDS,          	0x00F5C285},
+	{AUD_PLL_INT,             	0x0000001E},
+	{AUD_PLL_DDS,             	0x00000000},
+	{AUD_PLL_FRAC,            	0x0000E542},
+	{AUD_RATE_ADJ1,           	0x00000100},
+	{AUD_RATE_ADJ2,           	0x00000200},
+	{AUD_RATE_ADJ3,           	0x00000300},
+	{AUD_RATE_ADJ4,           	0x00000400},
+	{AUD_RATE_ADJ5,           	0x00000500},
+	{AUD_RATE_THRES_DMD,      	0x000000C0},
+	{/* end of list */ },
 	};
 
 	static const struct rlist a2_deemph50[] = {
@@ -616,32 +591,32 @@ static void set_audio_standard_A2(struct cx88_core *core, u32 mode)
 	{ /* end of list */ },
 	};
 
-	static const struct rlist a2_deemph75[] = {
-	{AUD_DEEMPH0_G0,                0x00000480},
-	{AUD_DEEMPH1_G0,                0x00000480},
-	{AUD_DEEMPHGAIN_R,              0x00009000},
-	{AUD_DEEMPHNUMER1_R,            0x000353de},
-	{AUD_DEEMPHNUMER2_R,            0x000001b1},
-		{ /* end of list */ },
-	};
-
 	set_audio_start(core, SEL_A2);
-	set_audio_registers(core, a2_common);
 	switch (core->tvaudio) {
-	case WW_A2_BG:
-		dprintk("%s PAL-BG A2 (status: known-good)\n",__FUNCTION__);
-	set_audio_registers(core, a2_bg);
-	set_audio_registers(core, a2_deemph50);
+	case WW_BG:
+		dprintk("%s PAL-BG A1/2 (status: known-good)\n",__FUNCTION__);
+		set_audio_registers(core, a2_bgdk_common);
+		set_audio_registers(core, a2_bg);
+		set_audio_registers(core, a2_deemph50);
 		break;
-	case WW_A2_DK:
-		dprintk("%s PAL-DK A2 (status: known-good)\n",__FUNCTION__);
-	set_audio_registers(core, a2_dk);
-	set_audio_registers(core, a2_deemph50);
+	case WW_DK:
+		dprintk("%s PAL-DK A1/2 (status: known-good)\n",__FUNCTION__);
+		set_audio_registers(core, a2_bgdk_common);
+		set_audio_registers(core, a2_dk);
+		set_audio_registers(core, a2_deemph50);
 		break;
-	case WW_A2_M:
-		dprintk("%s NTSC-M A2 (status: unknown)\n",__FUNCTION__);
-	set_audio_registers(core, a2_m);
-	set_audio_registers(core, a2_deemph75);
+	case WW_I:
+		dprintk("%s PAL-I A1 (status: known-good)\n",__FUNCTION__);
+		set_audio_registers(core, a1_i);
+		set_audio_registers(core, a2_deemph50);
+		break;
+	case WW_L:
+		dprintk("%s AM-L (status: devel)\n",__FUNCTION__);
+		set_audio_registers(core, am_l);
+		break;
+	default:
+		dprintk("%s Warning: wrong value\n",__FUNCTION__);
+		return;
 		break;
 	};
 
@@ -728,22 +703,53 @@ static void set_audio_standard_FM(struct cx88_core *core, enum cx88_deemph_type
 
 /* ----------------------------------------------------------- */
 
+int cx88_detect_nicam(struct cx88_core *core)
+{
+	int i, j=0;
+
+	dprintk("start nicam autodetect.\n");
+
+	for(i=0; i<6; i++) {
+	/* if bit1=1 then nicam is detected */
+		j+= ((cx_read(AUD_NICAM_STATUS2) & 0x02) >> 1);
+
+		/* 3x detected: absolutly sure now */
+		if(j==3) {
+			dprintk("nicam is detected.\n");
+			return 1;
+		}
+
+		/* wait a little bit for next reading status */
+		msleep (10);
+	}
+
+	dprintk("nicam is not detected.\n");
+	return 0;
+}
+
 void cx88_set_tvaudio(struct cx88_core *core)
 {
 	switch (core->tvaudio) {
 	case WW_BTSC:
 		set_audio_standard_BTSC(core, 0, EN_BTSC_AUTO_STEREO);
 		break;
-	case WW_NICAM_BGDKL:
-		set_audio_standard_NICAM_L(core,0);
-		break;
-	case WW_NICAM_I:
-		set_audio_standard_PAL_I(core,0);
-		break;
-	case WW_A2_BG:
-	case WW_A2_DK:
-	case WW_A2_M:
-	set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
+	case WW_BG:
+	case WW_DK:
+	case WW_I:
+	case WW_L:
+		/* prepare all dsp registers */
+		set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
+
+		/* set nicam mode - otherwise
+		   AUD_NICAM_STATUS2 contains wrong values */
+		set_audio_standard_NICAM(core, EN_NICAM_FORCE_MONO1);
+		if(0 == cx88_detect_nicam(core)) {
+			/* fall back to fm / am mono */
+			set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
+			core->use_nicam = 0;
+			} else {
+			core->use_nicam = 1;
+			}
 		break;
 	case WW_EIAJ:
 		set_audio_standard_EIAJ(core);
@@ -751,9 +757,6 @@ void cx88_set_tvaudio(struct cx88_core *core)
 	case WW_FM:
 		set_audio_standard_FM(core,FM_NO_DEEMPH);
 		break;
-	case WW_SYSTEM_L_AM:
-		set_audio_standard_NICAM_L(core, 1);
-		break;
 	case WW_NONE:
 	default:
 		printk("%s/0: unknown tv audio mode [%d]\n",
@@ -766,14 +769,6 @@ void cx88_set_tvaudio(struct cx88_core *core)
 void cx88_newstation(struct cx88_core *core)
 {
 	core->audiomode_manual = UNSET;
-
-	switch (core->tvaudio) {
-	case WW_SYSTEM_L_AM:
-		/* try nicam ... */
-		core->audiomode_current = V4L2_TUNER_MODE_STEREO;
-		set_audio_standard_NICAM_L(core, 1);
-		break;
-	}
 }
 
 void cx88_get_stereo(struct cx88_core *core, struct v4l2_tuner *t)
@@ -879,58 +874,42 @@ void cx88_set_stereo(struct cx88_core *core, u32 mode, int manual)
 			break;
 		}
 		break;
-	case WW_A2_BG:
-	case WW_A2_DK:
-	case WW_A2_M:
-		switch (mode) {
-		case V4L2_TUNER_MODE_MONO:
-		case V4L2_TUNER_MODE_LANG1:
-		set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
-			break;
-		case V4L2_TUNER_MODE_LANG2:
-		set_audio_standard_A2(core, EN_A2_FORCE_MONO2);
-			break;
-		case V4L2_TUNER_MODE_STEREO:
-		set_audio_standard_A2(core, EN_A2_FORCE_STEREO);
-			break;
-		}
-		break;
-	case WW_NICAM_BGDKL:
-		switch (mode) {
-		case V4L2_TUNER_MODE_MONO:
-			ctl  = EN_NICAM_FORCE_MONO1;
-			mask = 0x3f;
-			break;
-		case V4L2_TUNER_MODE_LANG1:
-			ctl  = EN_NICAM_AUTO_MONO2;
-			mask = 0x3f;
-			break;
-		case V4L2_TUNER_MODE_STEREO:
-			ctl  = EN_NICAM_FORCE_STEREO | EN_DMTRX_LR;
-			mask = 0x93f;
-			break;
-		}
-		break;
-	case WW_SYSTEM_L_AM:
-		switch (mode) {
-		case V4L2_TUNER_MODE_MONO:
-		case V4L2_TUNER_MODE_LANG1:  /* FIXME */
-			set_audio_standard_NICAM_L(core, 0);
-			break;
-		case V4L2_TUNER_MODE_STEREO:
-			set_audio_standard_NICAM_L(core, 1);
-			break;
-		}
-		break;
-	case WW_NICAM_I:
-		switch (mode) {
-		case V4L2_TUNER_MODE_MONO:
-		case V4L2_TUNER_MODE_LANG1:
-			set_audio_standard_PAL_I(core, 0);
-			break;
-		case V4L2_TUNER_MODE_STEREO:
-			set_audio_standard_PAL_I(core, 1);
-			break;
+	case WW_BG:
+	case WW_DK:
+	case WW_I:
+	case WW_L:
+		if(1 == core->use_nicam) {
+			switch (mode) {
+			case V4L2_TUNER_MODE_MONO:
+			case V4L2_TUNER_MODE_LANG1:
+						set_audio_standard_NICAM(core, EN_NICAM_FORCE_MONO1);
+				break;
+			case V4L2_TUNER_MODE_LANG2:
+						set_audio_standard_NICAM(core, EN_NICAM_FORCE_MONO2);
+				break;
+			case V4L2_TUNER_MODE_STEREO:
+						set_audio_standard_NICAM(core, EN_NICAM_FORCE_STEREO);
+				break;
+			}
+		} else {
+			if ( (core->tvaudio == WW_I) || (core->tvaudio == WW_L) ) {
+				/* fall back to fm / am mono */
+				set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
+			} else {
+				/* TODO: Add A2 autodection */
+				switch (mode) {
+				case V4L2_TUNER_MODE_MONO:
+				case V4L2_TUNER_MODE_LANG1:
+					set_audio_standard_A2(core, EN_A2_FORCE_MONO1);
+					break;
+				case V4L2_TUNER_MODE_LANG2:
+					set_audio_standard_A2(core, EN_A2_FORCE_MONO2);
+					break;
+				case V4L2_TUNER_MODE_STEREO:
+					set_audio_standard_A2(core, EN_A2_FORCE_STEREO);
+					break;
+				}
+			}
 		}
 		break;
 	case WW_FM: