diff options
| -rw-r--r-- | drivers/media/video/tuner-simple.c | 331 |
1 files changed, 184 insertions, 147 deletions
diff --git a/drivers/media/video/tuner-simple.c b/drivers/media/video/tuner-simple.c index de0b291459f..10addf2ba5c 100644 --- a/drivers/media/video/tuner-simple.c +++ b/drivers/media/video/tuner-simple.c @@ -251,59 +251,13 @@ static int simple_config_lookup(struct dvb_frontend *fe, /* ---------------------------------------------------------------------- */ -static int simple_set_tv_freq(struct dvb_frontend *fe, - struct analog_parameters *params) +static int simple_std_setup(struct dvb_frontend *fe, + struct analog_parameters *params, + u8 *buffer, u8 *config, u8 *cb) { struct tuner_simple_priv *priv = fe->tuner_priv; - u8 config, cb, tuneraddr; - u16 div; - struct tunertype *tun; - u8 buffer[4]; - int rc, IFPCoff, i; - enum param_type desired_type; - struct tuner_params *t_params; - - tun = priv->tun; - - /* IFPCoff = Video Intermediate Frequency - Vif: - 940 =16*58.75 NTSC/J (Japan) - 732 =16*45.75 M/N STD - 704 =16*44 ATSC (at DVB code) - 632 =16*39.50 I U.K. - 622.4=16*38.90 B/G D/K I, L STD - 592 =16*37.00 D China - 590 =16.36.875 B Australia - 543.2=16*33.95 L' STD - 171.2=16*10.70 FM Radio (at set_radio_freq) - */ - - if (params->std == V4L2_STD_NTSC_M_JP) { - IFPCoff = 940; - desired_type = TUNER_PARAM_TYPE_NTSC; - } else if ((params->std & V4L2_STD_MN) && - !(params->std & ~V4L2_STD_MN)) { - IFPCoff = 732; - desired_type = TUNER_PARAM_TYPE_NTSC; - } else if (params->std == V4L2_STD_SECAM_LC) { - IFPCoff = 543; - desired_type = TUNER_PARAM_TYPE_SECAM; - } else { - IFPCoff = 623; - desired_type = TUNER_PARAM_TYPE_PAL; - } - - t_params = simple_tuner_params(fe, desired_type); - - i = simple_config_lookup(fe, t_params, ¶ms->frequency, - &config, &cb); - - div = params->frequency + IFPCoff + offset; - - tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, " - "Offset=%d.%02d MHz, div=%0d\n", - params->frequency / 16, params->frequency % 16 * 100 / 16, - IFPCoff / 16, IFPCoff % 16 * 100 / 16, - offset / 16, offset % 16 * 100 / 16, div); + u8 tuneraddr; + int rc; /* tv norm specific stuff for multi-norm tuners */ switch (priv->type) { @@ -311,45 +265,45 @@ static int simple_set_tv_freq(struct dvb_frontend *fe, /* 0x01 -> ??? no change ??? */ /* 0x02 -> PAL BDGHI / SECAM L */ /* 0x04 -> ??? PAL others / SECAM others ??? */ - cb &= ~0x03; + *cb &= ~0x03; if (params->std & V4L2_STD_SECAM_L) /* also valid for V4L2_STD_SECAM */ - cb |= PHILIPS_MF_SET_STD_L; + *cb |= PHILIPS_MF_SET_STD_L; else if (params->std & V4L2_STD_SECAM_LC) - cb |= PHILIPS_MF_SET_STD_LC; + *cb |= PHILIPS_MF_SET_STD_LC; else /* V4L2_STD_B|V4L2_STD_GH */ - cb |= PHILIPS_MF_SET_STD_BG; + *cb |= PHILIPS_MF_SET_STD_BG; break; case TUNER_TEMIC_4046FM5: - cb &= ~0x0f; + *cb &= ~0x0f; if (params->std & V4L2_STD_PAL_BG) { - cb |= TEMIC_SET_PAL_BG; + *cb |= TEMIC_SET_PAL_BG; } else if (params->std & V4L2_STD_PAL_I) { - cb |= TEMIC_SET_PAL_I; + *cb |= TEMIC_SET_PAL_I; } else if (params->std & V4L2_STD_PAL_DK) { - cb |= TEMIC_SET_PAL_DK; + *cb |= TEMIC_SET_PAL_DK; } else if (params->std & V4L2_STD_SECAM_L) { - cb |= TEMIC_SET_PAL_L; + *cb |= TEMIC_SET_PAL_L; } break; case TUNER_PHILIPS_FQ1216ME: - cb &= ~0x0f; + *cb &= ~0x0f; if (params->std & (V4L2_STD_PAL_BG|V4L2_STD_PAL_DK)) { - cb |= PHILIPS_SET_PAL_BGDK; + *cb |= PHILIPS_SET_PAL_BGDK; } else if (params->std & V4L2_STD_PAL_I) { - cb |= PHILIPS_SET_PAL_I; + *cb |= PHILIPS_SET_PAL_I; } else if (params->std & V4L2_STD_SECAM_L) { - cb |= PHILIPS_SET_PAL_L; + *cb |= PHILIPS_SET_PAL_L; } break; @@ -359,15 +313,15 @@ static int simple_set_tv_freq(struct dvb_frontend *fe, /* 0x01 -> ATSC antenna input 2 */ /* 0x02 -> NTSC antenna input 1 */ /* 0x03 -> NTSC antenna input 2 */ - cb &= ~0x03; + *cb &= ~0x03; if (!(params->std & V4L2_STD_ATSC)) - cb |= 2; + *cb |= 2; /* FIXME: input */ break; case TUNER_MICROTUNE_4042FI5: /* Set the charge pump for fast tuning */ - config |= TUNER_CHARGE_PUMP; + *config |= TUNER_CHARGE_PUMP; break; case TUNER_PHILIPS_TUV1236D: @@ -379,9 +333,9 @@ static int simple_set_tv_freq(struct dvb_frontend *fe, buffer[1] = 0x00; buffer[2] = 0x17; buffer[3] = 0x00; - cb &= ~0x40; + *cb &= ~0x40; if (params->std & V4L2_STD_ATSC) { - cb |= 0x40; + *cb |= 0x40; buffer[1] = 0x04; } /* set to the correct mode (analog or digital) */ @@ -400,6 +354,165 @@ static int simple_set_tv_freq(struct dvb_frontend *fe, break; } + return 0; +} + +static int simple_post_tune(struct dvb_frontend *fe, u8 *buffer, + u16 div, u8 config, u8 cb) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + int rc; + + switch (priv->type) { + case TUNER_LG_TDVS_H06XF: + /* Set the Auxiliary Byte. */ + buffer[0] = buffer[2]; + buffer[0] &= ~0x20; + buffer[0] |= 0x18; + buffer[1] = 0x20; + tuner_dbg("tv 0x%02x 0x%02x\n", buffer[0], buffer[1]); + + rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2); + if (2 != rc) + tuner_warn("i2c i/o error: rc == %d " + "(should be 2)\n", rc); + break; + case TUNER_MICROTUNE_4042FI5: + { + /* FIXME - this may also work for other tuners */ + unsigned long timeout = jiffies + msecs_to_jiffies(1); + u8 status_byte = 0; + + /* Wait until the PLL locks */ + for (;;) { + if (time_after(jiffies, timeout)) + return 0; + rc = tuner_i2c_xfer_recv(&priv->i2c_props, + &status_byte, 1); + if (1 != rc) { + tuner_warn("i2c i/o read error: rc == %d " + "(should be 1)\n", rc); + break; + } + if (status_byte & TUNER_PLL_LOCKED) + break; + udelay(10); + } + + /* Set the charge pump for optimized phase noise figure */ + config &= ~TUNER_CHARGE_PUMP; + buffer[0] = (div>>8) & 0x7f; + buffer[1] = div & 0xff; + buffer[2] = config; + buffer[3] = cb; + tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", + buffer[0], buffer[1], buffer[2], buffer[3]); + + rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); + if (4 != rc) + tuner_warn("i2c i/o error: rc == %d " + "(should be 4)\n", rc); + break; + } + } + + return 0; +} + +static int simple_radio_bandswitch(struct dvb_frontend *fe, u8 *buffer) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + + switch (priv->type) { + case TUNER_TENA_9533_DI: + case TUNER_YMEC_TVF_5533MF: + tuner_dbg("This tuner doesn't have FM. " + "Most cards have a TEA5767 for FM\n"); + return 0; + case TUNER_PHILIPS_FM1216ME_MK3: + case TUNER_PHILIPS_FM1236_MK3: + case TUNER_PHILIPS_FMD1216ME_MK3: + case TUNER_LG_NTSC_TAPE: + case TUNER_PHILIPS_FM1256_IH3: + buffer[3] = 0x19; + break; + case TUNER_TNF_5335MF: + buffer[3] = 0x11; + break; + case TUNER_LG_PAL_FM: + buffer[3] = 0xa5; + break; + case TUNER_THOMSON_DTT761X: + buffer[3] = 0x39; + break; + case TUNER_MICROTUNE_4049FM5: + default: + buffer[3] = 0xa4; + break; + } + + return 0; +} + +/* ---------------------------------------------------------------------- */ + +static int simple_set_tv_freq(struct dvb_frontend *fe, + struct analog_parameters *params) +{ + struct tuner_simple_priv *priv = fe->tuner_priv; + u8 config, cb; + u16 div; + struct tunertype *tun; + u8 buffer[4]; + int rc, IFPCoff, i; + enum param_type desired_type; + struct tuner_params *t_params; + + tun = priv->tun; + + /* IFPCoff = Video Intermediate Frequency - Vif: + 940 =16*58.75 NTSC/J (Japan) + 732 =16*45.75 M/N STD + 704 =16*44 ATSC (at DVB code) + 632 =16*39.50 I U.K. + 622.4=16*38.90 B/G D/K I, L STD + 592 =16*37.00 D China + 590 =16.36.875 B Australia + 543.2=16*33.95 L' STD + 171.2=16*10.70 FM Radio (at set_radio_freq) + */ + + if (params->std == V4L2_STD_NTSC_M_JP) { + IFPCoff = 940; + desired_type = TUNER_PARAM_TYPE_NTSC; + } else if ((params->std & V4L2_STD_MN) && + !(params->std & ~V4L2_STD_MN)) { + IFPCoff = 732; + desired_type = TUNER_PARAM_TYPE_NTSC; + } else if (params->std == V4L2_STD_SECAM_LC) { + IFPCoff = 543; + desired_type = TUNER_PARAM_TYPE_SECAM; + } else { + IFPCoff = 623; + desired_type = TUNER_PARAM_TYPE_PAL; + } + + t_params = simple_tuner_params(fe, desired_type); + + i = simple_config_lookup(fe, t_params, ¶ms->frequency, + &config, &cb); + + div = params->frequency + IFPCoff + offset; + + tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, " + "Offset=%d.%02d MHz, div=%0d\n", + params->frequency / 16, params->frequency % 16 * 100 / 16, + IFPCoff / 16, IFPCoff % 16 * 100 / 16, + offset / 16, offset % 16 * 100 / 16, div); + + /* tv norm specific stuff for multi-norm tuners */ + simple_std_setup(fe, params, &buffer[1], &config, &cb); + if (t_params->cb_first_if_lower_freq && div < priv->last_div) { buffer[0] = config; buffer[1] = cb; @@ -463,58 +576,8 @@ static int simple_set_tv_freq(struct dvb_frontend *fe, if (4 != rc) tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc); - switch (priv->type) { - case TUNER_LG_TDVS_H06XF: - /* Set the Auxiliary Byte. */ - buffer[0] = buffer[2]; - buffer[0] &= ~0x20; - buffer[0] |= 0x18; - buffer[1] = 0x20; - tuner_dbg("tv 0x%02x 0x%02x\n", buffer[0], buffer[1]); - - rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2); - if (2 != rc) - tuner_warn("i2c i/o error: rc == %d " - "(should be 2)\n", rc); - break; - case TUNER_MICROTUNE_4042FI5: - { - /* FIXME - this may also work for other tuners */ - unsigned long timeout = jiffies + msecs_to_jiffies(1); - u8 status_byte = 0; - - /* Wait until the PLL locks */ - for (;;) { - if (time_after(jiffies, timeout)) - return 0; - rc = tuner_i2c_xfer_recv(&priv->i2c_props, - &status_byte, 1); - if (1 != rc) { - tuner_warn("i2c i/o read error: rc == %d " - "(should be 1)\n", rc); - break; - } - if (status_byte & TUNER_PLL_LOCKED) - break; - udelay(10); - } - - /* Set the charge pump for optimized phase noise figure */ - config &= ~TUNER_CHARGE_PUMP; - buffer[0] = (div>>8) & 0x7f; - buffer[1] = div & 0xff; - buffer[2] = config; - buffer[3] = cb; - tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n", - buffer[0], buffer[1], buffer[2], buffer[3]); + simple_post_tune(fe, &buffer[0], div, config, cb); - rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4); - if (4 != rc) - tuner_warn("i2c i/o error: rc == %d " - "(should be 4)\n", rc); - break; - } - } return 0; } @@ -555,33 +618,7 @@ static int simple_set_radio_freq(struct dvb_frontend *fe, } /* Bandswitch byte */ - switch (priv->type) { - case TUNER_TENA_9533_DI: - case TUNER_YMEC_TVF_5533MF: - tuner_dbg("This tuner doesn't have FM. " - "Most cards have a TEA5767 for FM\n"); - return 0; - case TUNER_PHILIPS_FM1216ME_MK3: - case TUNER_PHILIPS_FM1236_MK3: - case TUNER_PHILIPS_FMD1216ME_MK3: - case TUNER_LG_NTSC_TAPE: - case TUNER_PHILIPS_FM1256_IH3: - buffer[3] = 0x19; - break; - case TUNER_TNF_5335MF: - buffer[3] = 0x11; - break; - case TUNER_LG_PAL_FM: - buffer[3] = 0xa5; - break; - case TUNER_THOMSON_DTT761X: - buffer[3] = 0x39; - break; - case TUNER_MICROTUNE_4049FM5: - default: - buffer[3] = 0xa4; - break; - } + simple_radio_bandswitch(fe, &buffer[0]); buffer[2] = (t_params->ranges[0].config & ~TUNER_RATIO_MASK) | TUNER_RATIO_SELECT_50; /* 50 kHz step */ |