From 28fafca78797be701208c0880ec1c79ffa267f9d Mon Sep 17 00:00:00 2001 From: Olivier Grenie Date: Tue, 4 Jan 2011 04:27:11 -0300 Subject: [PATCH] [media] DiB0090: misc improvements This patch adds several performance improvements and prepares the usage of firmware-based devices. Signed-off-by: Olivier Grenie Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/dib0090.c | 1650 ++++++++++++++++++++++++++------- drivers/media/dvb/frontends/dib0090.h | 31 + 2 files changed, 1346 insertions(+), 335 deletions(-) diff --git a/drivers/media/dvb/frontends/dib0090.c b/drivers/media/dvb/frontends/dib0090.c index 65240b7..0e87a0b 100644 --- a/drivers/media/dvb/frontends/dib0090.c +++ b/drivers/media/dvb/frontends/dib0090.c @@ -45,6 +45,7 @@ MODULE_PARM_DESC(debug, "turn on debugging (default: 0)"); } \ } while (0) +#define CONFIG_SYS_DVBT #define CONFIG_SYS_ISDBT #define CONFIG_BAND_CBAND #define CONFIG_BAND_VHF @@ -76,6 +77,34 @@ MODULE_PARM_DESC(debug, "turn on debugging (default: 0)"); #define EN_SBD 0x44E9 #define EN_CAB 0x88E9 +/* Calibration defines */ +#define DC_CAL 0x1 +#define WBD_CAL 0x2 +#define TEMP_CAL 0x4 +#define CAPTRIM_CAL 0x8 + +#define KROSUS_PLL_LOCKED 0x800 +#define KROSUS 0x2 + +/* Use those defines to identify SOC version */ +#define SOC 0x02 +#define SOC_7090_P1G_11R1 0x82 +#define SOC_7090_P1G_21R1 0x8a +#define SOC_8090_P1G_11R1 0x86 +#define SOC_8090_P1G_21R1 0x8e + +/* else use thos ones to check */ +#define P1A_B 0x0 +#define P1C 0x1 +#define P1D_E_F 0x3 +#define P1G 0x7 +#define P1G_21R2 0xf + +#define MP001 0x1 /* Single 9090/8096 */ +#define MP005 0x4 /* Single Sband */ +#define MP008 0x6 /* Dual diversity VHF-UHF-LBAND */ +#define MP009 0x7 /* Dual diversity 29098 CBAND-UHF-LBAND-SBAND */ + #define pgm_read_word(w) (*w) struct dc_calibration; @@ -84,7 +113,7 @@ struct dib0090_tuning { u32 max_freq; /* for every frequency less than or equal to that field: this information is correct */ u8 switch_trim; u8 lna_tune; - u8 lna_bias; + u16 lna_bias; u16 v2i; u16 mix; u16 load; @@ -99,13 +128,19 @@ struct dib0090_pll { u8 topresc; }; +struct dib0090_identity { + u8 version; + u8 product; + u8 p1g; + u8 in_soc; +}; + struct dib0090_state { struct i2c_adapter *i2c; struct dvb_frontend *fe; const struct dib0090_config *config; u8 current_band; - u16 revision; enum frontend_tune_state tune_state; u32 current_rf; @@ -143,15 +178,34 @@ struct dib0090_state { u8 tuner_is_tuned; u8 agc_freeze; - u8 reset; + struct dib0090_identity identity; + + u32 rf_request; + u8 current_standard; + + u8 calibrate; + u32 rest; + u16 bias; + s16 temperature; + + u8 wbd_calibration_gain; + const struct dib0090_wbd_slope *current_wbd_table; + u16 wbdmux; +}; + +struct dib0090_fw_state { + struct i2c_adapter *i2c; + struct dvb_frontend *fe; + struct dib0090_identity identity; + const struct dib0090_config *config; }; static u16 dib0090_read_reg(struct dib0090_state *state, u8 reg) { u8 b[2]; struct i2c_msg msg[2] = { - {.addr = state->config->i2c_address, .flags = 0, .buf = ®, .len = 1}, - {.addr = state->config->i2c_address, .flags = I2C_M_RD, .buf = b, .len = 2}, + {.addr = state->config->i2c_address,.flags = 0,.buf = ®,.len = 1}, + {.addr = state->config->i2c_address,.flags = I2C_M_RD,.buf = b,.len = 2}, }; if (i2c_transfer(state->i2c, msg, 2) != 2) { printk(KERN_WARNING "DiB0090 I2C read failed\n"); @@ -163,7 +217,29 @@ static u16 dib0090_read_reg(struct dib0090_state *state, u8 reg) static int dib0090_write_reg(struct dib0090_state *state, u32 reg, u16 val) { u8 b[3] = { reg & 0xff, val >> 8, val & 0xff }; - struct i2c_msg msg = {.addr = state->config->i2c_address, .flags = 0, .buf = b, .len = 3 }; + struct i2c_msg msg = {.addr = state->config->i2c_address,.flags = 0,.buf = b,.len = 3 }; + if (i2c_transfer(state->i2c, &msg, 1) != 1) { + printk(KERN_WARNING "DiB0090 I2C write failed\n"); + return -EREMOTEIO; + } + return 0; +} + +static u16 dib0090_fw_read_reg(struct dib0090_fw_state *state, u8 reg) +{ + u8 b[2]; + struct i2c_msg msg = {.addr = reg,.flags = I2C_M_RD,.buf = b,.len = 2 }; + if (i2c_transfer(state->i2c, &msg, 1) != 1) { + printk(KERN_WARNING "DiB0090 I2C read failed\n"); + return 0; + } + return (b[0] << 8) | b[1]; +} + +static int dib0090_fw_write_reg(struct dib0090_fw_state *state, u8 reg, u16 val) +{ + u8 b[2] = { val >> 8, val & 0xff }; + struct i2c_msg msg = {.addr = reg,.flags = 0,.buf = b,.len = 2 }; if (i2c_transfer(state->i2c, &msg, 1) != 1) { printk(KERN_WARNING "DiB0090 I2C write failed\n"); return -EREMOTEIO; @@ -183,89 +259,329 @@ static void dib0090_write_regs(struct dib0090_state *state, u8 r, const u16 * b, } while (--c); } -static u16 dib0090_identify(struct dvb_frontend *fe) +static int dib0090_identify(struct dvb_frontend *fe) { struct dib0090_state *state = fe->tuner_priv; u16 v; + struct dib0090_identity *identity = &state->identity; v = dib0090_read_reg(state, 0x1a); -#ifdef FIRMWARE_FIREFLY - /* pll is not locked locked */ - if (!(v & 0x800)) - dprintk("FE%d : Identification : pll is not yet locked", fe->id); -#endif + identity->p1g = 0; + identity->in_soc = 0; + + dprintk("Tuner identification (Version = 0x%04x)", v); /* without PLL lock info */ - v &= 0x3ff; - dprintk("P/V: %04x:", v); + v &= ~KROSUS_PLL_LOCKED; - if ((v >> 8) & 0xf) - dprintk("FE%d : Product ID = 0x%x : KROSUS", fe->id, (v >> 8) & 0xf); - else - return 0xff; - - v &= 0xff; - if (((v >> 5) & 0x7) == 0x1) - dprintk("FE%d : MP001 : 9090/8096", fe->id); - else if (((v >> 5) & 0x7) == 0x4) - dprintk("FE%d : MP005 : Single Sband", fe->id); - else if (((v >> 5) & 0x7) == 0x6) - dprintk("FE%d : MP008 : diversity VHF-UHF-LBAND", fe->id); - else if (((v >> 5) & 0x7) == 0x7) - dprintk("FE%d : MP009 : diversity 29098 CBAND-UHF-LBAND-SBAND", fe->id); - else - return 0xff; - - /* revision only */ - if ((v & 0x1f) == 0x3) - dprintk("FE%d : P1-D/E/F detected", fe->id); - else if ((v & 0x1f) == 0x1) - dprintk("FE%d : P1C detected", fe->id); - else if ((v & 0x1f) == 0x0) { -#ifdef CONFIG_TUNER_DIB0090_P1B_SUPPORT - dprintk("FE%d : P1-A/B detected: using previous driver - support will be removed soon", fe->id); - dib0090_p1b_register(fe); -#else - dprintk("FE%d : P1-A/B detected: driver is deactivated - not available", fe->id); - return 0xff; -#endif + identity->version = v & 0xff; + identity->product = (v >> 8) & 0xf; + + if (identity->product != KROSUS) + goto identification_error; + + if ((identity->version & 0x3) == SOC) { + identity->in_soc = 1; + switch (identity->version) { + case SOC_8090_P1G_11R1: + dprintk("SOC 8090 P1-G11R1 Has been detected"); + identity->p1g = 1; + break; + case SOC_8090_P1G_21R1: + dprintk("SOC 8090 P1-G21R1 Has been detected"); + identity->p1g = 1; + break; + case SOC_7090_P1G_11R1: + dprintk("SOC 7090 P1-G11R1 Has been detected"); + identity->p1g = 1; + break; + case SOC_7090_P1G_21R1: + dprintk("SOC 7090 P1-G21R1 Has been detected"); + identity->p1g = 1; + break; + default: + goto identification_error; + } + } else { + switch ((identity->version >> 5) & 0x7) { + case MP001: + dprintk("MP001 : 9090/8096"); + break; + case MP005: + dprintk("MP005 : Single Sband"); + break; + case MP008: + dprintk("MP008 : diversity VHF-UHF-LBAND"); + break; + case MP009: + dprintk("MP009 : diversity 29098 CBAND-UHF-LBAND-SBAND"); + break; + default: + goto identification_error; + } + + switch (identity->version & 0x1f) { + case P1G_21R2: + dprintk("P1G_21R2 detected"); + identity->p1g = 1; + break; + case P1G: + dprintk("P1G detected"); + identity->p1g = 1; + break; + case P1D_E_F: + dprintk("P1D/E/F detected"); + break; + case P1C: + dprintk("P1C detected"); + break; + case P1A_B: + dprintk("P1-A/B detected: driver is deactivated - not available"); + goto identification_error; + break; + default: + goto identification_error; + } } - return v; + return 0; + + identification_error: + return -EIO; +} + +static int dib0090_fw_identify(struct dvb_frontend *fe) +{ + struct dib0090_fw_state *state = fe->tuner_priv; + struct dib0090_identity *identity = &state->identity; + + u16 v = dib0090_fw_read_reg(state, 0x1a); + identity->p1g = 0; + identity->in_soc = 0; + + dprintk("FE: Tuner identification (Version = 0x%04x)", v); + + /* without PLL lock info */ + v &= ~KROSUS_PLL_LOCKED; + + identity->version = v & 0xff; + identity->product = (v >> 8) & 0xf; + + if (identity->product != KROSUS) + goto identification_error; + + //From the SOC the version definition has changed + + if ((identity->version & 0x3) == SOC) { + identity->in_soc = 1; + switch (identity->version) { + case SOC_8090_P1G_11R1: + dprintk("SOC 8090 P1-G11R1 Has been detected"); + identity->p1g = 1; + break; + case SOC_8090_P1G_21R1: + dprintk("SOC 8090 P1-G21R1 Has been detected"); + identity->p1g = 1; + break; + case SOC_7090_P1G_11R1: + dprintk("SOC 7090 P1-G11R1 Has been detected"); + identity->p1g = 1; + break; + case SOC_7090_P1G_21R1: + dprintk("SOC 7090 P1-G21R1 Has been detected"); + identity->p1g = 1; + break; + default: + goto identification_error; + } + } else { + switch ((identity->version >> 5) & 0x7) { + case MP001: + dprintk("MP001 : 9090/8096"); + break; + case MP005: + dprintk("MP005 : Single Sband"); + break; + case MP008: + dprintk("MP008 : diversity VHF-UHF-LBAND"); + break; + case MP009: + dprintk("MP009 : diversity 29098 CBAND-UHF-LBAND-SBAND"); + break; + default: + goto identification_error; + } + + switch (identity->version & 0x1f) { + case P1G_21R2: + dprintk("P1G_21R2 detected"); + identity->p1g = 1; + break; + case P1G: + dprintk("P1G detected"); + identity->p1g = 1; + break; + case P1D_E_F: + dprintk("P1D/E/F detected"); + break; + case P1C: + dprintk("P1C detected"); + break; + case P1A_B: + dprintk("P1-A/B detected: driver is deactivated - not available"); + goto identification_error; + break; + default: + goto identification_error; + } + } + + return 0; + + identification_error: + return -EIO;; } static void dib0090_reset_digital(struct dvb_frontend *fe, const struct dib0090_config *cfg) { struct dib0090_state *state = fe->tuner_priv; + u16 PllCfg, i, v; HARD_RESET(state); - dib0090_write_reg(state, 0x24, EN_PLL); + dib0090_write_reg(state, 0x24, EN_PLL | EN_CRYSTAL); dib0090_write_reg(state, 0x1b, EN_DIGCLK | EN_PLL | EN_CRYSTAL); /* PLL, DIG_CLK and CRYSTAL remain */ - /* adcClkOutRatio=8->7, release reset */ - dib0090_write_reg(state, 0x20, ((cfg->io.adc_clock_ratio - 1) << 11) | (0 << 10) | (1 << 9) | (1 << 8) | (0 << 4) | 0); + if (!cfg->in_soc) { + /* adcClkOutRatio=8->7, release reset */ + dib0090_write_reg(state, 0x20, ((cfg->io.adc_clock_ratio - 1) << 11) | (0 << 10) | (1 << 9) | (1 << 8) | (0 << 4) | 0); + if (cfg->clkoutdrive != 0) + dib0090_write_reg(state, 0x23, (0 << 15) | ((!cfg->analog_output) << 14) | (2 << 10) | (1 << 9) | (0 << 8) + | (cfg->clkoutdrive << 5) | (cfg->clkouttobamse << 4) | (0 << 2) | (0)); + else + dib0090_write_reg(state, 0x23, (0 << 15) | ((!cfg->analog_output) << 14) | (2 << 10) | (1 << 9) | (0 << 8) + | (7 << 5) | (cfg->clkouttobamse << 4) | (0 << 2) | (0)); + } + + /* Read Pll current config * */ + PllCfg = dib0090_read_reg(state, 0x21); + + /** Reconfigure PLL if current setting is different from default setting **/ + if ((PllCfg & 0x1FFF) != ((cfg->io.pll_range << 12) | (cfg->io.pll_loopdiv << 6) | (cfg->io.pll_prediv)) && (!cfg->in_soc) + && !cfg->io.pll_bypass) { + + /* Set Bypass mode */ + PllCfg |= (1 << 15); + dib0090_write_reg(state, 0x21, PllCfg); + + /* Set Reset Pll */ + PllCfg &= ~(1 << 13); + dib0090_write_reg(state, 0x21, PllCfg); + + /*** Set new Pll configuration in bypass and reset state ***/ + PllCfg = (1 << 15) | (0 << 13) | (cfg->io.pll_range << 12) | (cfg->io.pll_loopdiv << 6) | (cfg->io.pll_prediv); + dib0090_write_reg(state, 0x21, PllCfg); + + /* Remove Reset Pll */ + PllCfg |= (1 << 13); + dib0090_write_reg(state, 0x21, PllCfg); + + /*** Wait for PLL lock ***/ + i = 100; + do { + v = !!(dib0090_read_reg(state, 0x1a) & 0x800); + if (v) + break; + } while (--i); + + if (i == 0) { + dprintk("Pll: Unable to lock Pll"); + return; + } + + /* Finally Remove Bypass mode */ + PllCfg &= ~(1 << 15); + dib0090_write_reg(state, 0x21, PllCfg); + } + + if (cfg->io.pll_bypass) { + PllCfg |= (cfg->io.pll_bypass << 15); + dib0090_write_reg(state, 0x21, PllCfg); + } +} + +static int dib0090_fw_reset_digital(struct dvb_frontend *fe, const struct dib0090_config *cfg) +{ + struct dib0090_fw_state *state = fe->tuner_priv; + u16 PllCfg; + u16 v; + int i; + + dprintk("fw reset digital"); + HARD_RESET(state); + + dib0090_fw_write_reg(state, 0x24, EN_PLL | EN_CRYSTAL); + dib0090_fw_write_reg(state, 0x1b, EN_DIGCLK | EN_PLL | EN_CRYSTAL); /* PLL, DIG_CLK and CRYSTAL remain */ + + dib0090_fw_write_reg(state, 0x20, + ((cfg->io.adc_clock_ratio - 1) << 11) | (0 << 10) | (1 << 9) | (1 << 8) | (cfg->data_tx_drv << 4) | cfg->ls_cfg_pad_drv); + + v = (0 << 15) | ((!cfg->analog_output) << 14) | (1 << 9) | (0 << 8) | (cfg->clkouttobamse << 4) | (0 << 2) | (0); if (cfg->clkoutdrive != 0) - dib0090_write_reg(state, 0x23, - (0 << 15) | ((!cfg->analog_output) << 14) | (1 << 10) | (1 << 9) | (0 << 8) | (cfg->clkoutdrive << 5) | (cfg-> - clkouttobamse - << 4) | (0 - << - 2) - | (0)); + v |= cfg->clkoutdrive << 5; else - dib0090_write_reg(state, 0x23, - (0 << 15) | ((!cfg->analog_output) << 14) | (1 << 10) | (1 << 9) | (0 << 8) | (7 << 5) | (cfg-> - clkouttobamse << 4) | (0 - << - 2) - | (0)); + v |= 7 << 5; + + v |= 2 << 10; + dib0090_fw_write_reg(state, 0x23, v); + + /* Read Pll current config * */ + PllCfg = dib0090_fw_read_reg(state, 0x21); + + /** Reconfigure PLL if current setting is different from default setting **/ + if ((PllCfg & 0x1FFF) != ((cfg->io.pll_range << 12) | (cfg->io.pll_loopdiv << 6) | (cfg->io.pll_prediv)) && !cfg->io.pll_bypass) { - /* enable pll, de-activate reset, ratio: 2/1 = 60MHz */ - dib0090_write_reg(state, 0x21, - (cfg->io.pll_bypass << 15) | (1 << 13) | (cfg->io.pll_range << 12) | (cfg->io.pll_loopdiv << 6) | (cfg->io.pll_prediv)); + /* Set Bypass mode */ + PllCfg |= (1 << 15); + dib0090_fw_write_reg(state, 0x21, PllCfg); + /* Set Reset Pll */ + PllCfg &= ~(1 << 13); + dib0090_fw_write_reg(state, 0x21, PllCfg); + + /*** Set new Pll configuration in bypass and reset state ***/ + PllCfg = (1 << 15) | (0 << 13) | (cfg->io.pll_range << 12) | (cfg->io.pll_loopdiv << 6) | (cfg->io.pll_prediv); + dib0090_fw_write_reg(state, 0x21, PllCfg); + + /* Remove Reset Pll */ + PllCfg |= (1 << 13); + dib0090_fw_write_reg(state, 0x21, PllCfg); + + /*** Wait for PLL lock ***/ + i = 100; + do { + v = !!(dib0090_fw_read_reg(state, 0x1a) & 0x800); + if (v) + break; + } while (--i); + + if (i == 0) { + dprintk("Pll: Unable to lock Pll"); + return -EIO; + } + + /* Finally Remove Bypass mode */ + PllCfg &= ~(1 << 15); + dib0090_fw_write_reg(state, 0x21, PllCfg); + } + + if (cfg->io.pll_bypass) { + PllCfg |= (cfg->io.pll_bypass << 15); + dib0090_fw_write_reg(state, 0x21, PllCfg); + } + + return dib0090_fw_identify(fe); } static int dib0090_wakeup(struct dvb_frontend *fe) @@ -273,6 +589,9 @@ static int dib0090_wakeup(struct dvb_frontend *fe) struct dib0090_state *state = fe->tuner_priv; if (state->config->sleep) state->config->sleep(fe, 0); + + /* enable dataTX in case we have been restarted in the wrong moment */ + dib0090_write_reg(state, 0x23, dib0090_read_reg(state, 0x23) | (1 << 14)); return 0; } @@ -292,8 +611,75 @@ void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast) else dib0090_write_reg(state, 0x04, 1); } + EXPORT_SYMBOL(dib0090_dcc_freq); +static const u16 bb_ramp_pwm_normal_socs[] = { + 550, /* max BB gain in 10th of dB */ + (1 << 9) | 8, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> BB_RAMP2 */ + 440, + (4 << 9) | 0, /* BB_RAMP3 = 26dB */ + (0 << 9) | 208, /* BB_RAMP4 */ + (4 << 9) | 208, /* BB_RAMP5 = 29dB */ + (0 << 9) | 440, /* BB_RAMP6 */ +}; + +static const u16 rf_ramp_pwm_cband_7090[] = { + 280, /* max RF gain in 10th of dB */ + 18, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ + 504, /* ramp_max = maximum X used on the ramp */ + (29 << 10) | 364, /* RF_RAMP5, LNA 1 = 8dB */ + (0 << 10) | 504, /* RF_RAMP6, LNA 1 */ + (60 << 10) | 228, /* RF_RAMP7, LNA 2 = 7.7dB */ + (0 << 10) | 364, /* RF_RAMP8, LNA 2 */ + (34 << 10) | 109, /* GAIN_4_1, LNA 3 = 6.8dB */ + (0 << 10) | 228, /* GAIN_4_2, LNA 3 */ + (37 << 10) | 0, /* RF_RAMP3, LNA 4 = 6.2dB */ + (0 << 10) | 109, /* RF_RAMP4, LNA 4 */ +}; + +static const u16 rf_ramp_pwm_cband_8090[] = { + 345, /* max RF gain in 10th of dB */ + 29, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ + 1000, /* ramp_max = maximum X used on the ramp */ + (35 << 10) | 772, /* RF_RAMP3, LNA 1 = 8dB */ + (0 << 10) | 1000, /* RF_RAMP4, LNA 1 */ + (58 << 10) | 496, /* RF_RAMP5, LNA 2 = 9.5dB */ + (0 << 10) | 772, /* RF_RAMP6, LNA 2 */ + (27 << 10) | 200, /* RF_RAMP7, LNA 3 = 10.5dB */ + (0 << 10) | 496, /* RF_RAMP8, LNA 3 */ + (40 << 10) | 0, /* GAIN_4_1, LNA 4 = 7dB */ + (0 << 10) | 200, /* GAIN_4_2, LNA 4 */ +}; + +static const u16 rf_ramp_pwm_uhf_7090[] = { + 407, /* max RF gain in 10th of dB */ + 13, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ + 529, /* ramp_max = maximum X used on the ramp */ + (23 << 10) | 0, /* RF_RAMP3, LNA 1 = 14.7dB */ + (0 << 10) | 176, /* RF_RAMP4, LNA 1 */ + (63 << 10) | 400, /* RF_RAMP5, LNA 2 = 8dB */ + (0 << 10) | 529, /* RF_RAMP6, LNA 2 */ + (48 << 10) | 316, /* RF_RAMP7, LNA 3 = 6.8dB */ + (0 << 10) | 400, /* RF_RAMP8, LNA 3 */ + (29 << 10) | 176, /* GAIN_4_1, LNA 4 = 11.5dB */ + (0 << 10) | 316, /* GAIN_4_2, LNA 4 */ +}; + +static const u16 rf_ramp_pwm_uhf_8090[] = { + 388, /* max RF gain in 10th of dB */ + 26, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> RF_RAMP2 */ + 1008, /* ramp_max = maximum X used on the ramp */ + (11 << 10) | 0, /* RF_RAMP3, LNA 1 = 14.7dB */ + (0 << 10) | 369, /* RF_RAMP4, LNA 1 */ + (41 << 10) | 809, /* RF_RAMP5, LNA 2 = 8dB */ + (0 << 10) | 1008, /* RF_RAMP6, LNA 2 */ + (27 << 10) | 659, /* RF_RAMP7, LNA 3 = 6dB */ + (0 << 10) | 809, /* RF_RAMP8, LNA 3 */ + (14 << 10) | 369, /* GAIN_4_1, LNA 4 = 11.5dB */ + (0 << 10) | 659, /* GAIN_4_2, LNA 4 */ +}; + static const u16 rf_ramp_pwm_cband[] = { 0, /* max RF gain in 10th of dB */ 0, /* ramp_slope = 1dB of gain -> clock_ticks_per_db = clk_khz / ramp_slope -> 0x2b */ @@ -326,6 +712,16 @@ static const u16 rf_ramp_uhf[] = { 0, 0, 127, /* CBAND : 0.0 dB */ }; +static const u16 rf_ramp_cband_broadmatching[] = /* for p1G only */ +{ + 314, /* Calibrated at 200MHz order has been changed g4-g3-g2-g1 */ + 84, 314, 127, /* LNA1 */ + 80, 230, 255, /* LNA2 */ + 80, 150, 127, /* LNA3 It was measured 12dB, do not lock if 120 */ + 70, 70, 127, /* LNA4 */ + 0, 0, 127, /* CBAND */ +}; + static const u16 rf_ramp_cband[] = { 332, /* max RF gain in 10th of dB */ 132, 252, 127, /* LNA1, dB */ @@ -380,8 +776,8 @@ static const u16 bb_ramp_pwm_normal[] = { }; struct slope { - int16_t range; - int16_t slope; + s16 range; + s16 slope; }; static u16 slopes_to_scale(const struct slope *slopes, u8 num, s16 val) { @@ -597,19 +993,40 @@ void dib0090_pwm_gain_reset(struct dvb_frontend *fe) #endif #ifdef CONFIG_BAND_CBAND if (state->current_band == BAND_CBAND) { - dib0090_set_rframp_pwm(state, rf_ramp_pwm_cband); - dib0090_set_bbramp_pwm(state, bb_ramp_pwm_normal); + if (state->identity.in_soc) { + dib0090_set_bbramp_pwm(state, bb_ramp_pwm_normal_socs); + if (state->identity.version == SOC_8090_P1G_11R1 || state->identity.version == SOC_8090_P1G_21R1) + dib0090_set_rframp_pwm(state, rf_ramp_pwm_cband_8090); + else if (state->identity.version == SOC_7090_P1G_11R1 || state->identity.version == SOC_7090_P1G_21R1) + dib0090_set_rframp_pwm(state, rf_ramp_pwm_cband_7090); + } else { + dib0090_set_rframp_pwm(state, rf_ramp_pwm_cband); + dib0090_set_bbramp_pwm(state, bb_ramp_pwm_normal); + } } else #endif #ifdef CONFIG_BAND_VHF if (state->current_band == BAND_VHF) { - dib0090_set_rframp_pwm(state, rf_ramp_pwm_vhf); - dib0090_set_bbramp_pwm(state, bb_ramp_pwm_normal); + if (state->identity.in_soc) { + dib0090_set_bbramp_pwm(state, bb_ramp_pwm_normal_socs); + //dib0090_set_rframp_pwm(state, rf_ramp_pwm_vhf_socs); /* TODO */ + } else { + dib0090_set_rframp_pwm(state, rf_ramp_pwm_vhf); + dib0090_set_bbramp_pwm(state, bb_ramp_pwm_normal); + } } else #endif { - dib0090_set_rframp_pwm(state, rf_ramp_pwm_uhf); - dib0090_set_bbramp_pwm(state, bb_ramp_pwm_normal); + if (state->identity.in_soc) { + if (state->identity.version == SOC_8090_P1G_11R1 || state->identity.version == SOC_8090_P1G_21R1) + dib0090_set_rframp_pwm(state, rf_ramp_pwm_uhf_8090); + else if (state->identity.version == SOC_7090_P1G_11R1 || state->identity.version == SOC_7090_P1G_21R1) + dib0090_set_rframp_pwm(state, rf_ramp_pwm_uhf_7090); + dib0090_set_bbramp_pwm(state, bb_ramp_pwm_normal_socs); + } else { + dib0090_set_rframp_pwm(state, rf_ramp_pwm_uhf); + dib0090_set_bbramp_pwm(state, bb_ramp_pwm_normal); + } } if (state->rf_ramp[0] != 0) @@ -617,11 +1034,22 @@ void dib0090_pwm_gain_reset(struct dvb_frontend *fe) else dib0090_write_reg(state, 0x32, (0 << 11)); + dib0090_write_reg(state, 0x04, 0x01); dib0090_write_reg(state, 0x39, (1 << 10)); } } + EXPORT_SYMBOL(dib0090_pwm_gain_reset); +static u32 dib0090_get_slow_adc_val(struct dib0090_state *state) +{ + u16 adc_val = dib0090_read_reg(state, 0x1d); + if (state->identity.in_soc) { + adc_val >>= 2; + } + return adc_val; +} + int dib0090_gain_control(struct dvb_frontend *fe) { struct dib0090_state *state = fe->tuner_priv; @@ -643,18 +1071,21 @@ int dib0090_gain_control(struct dvb_frontend *fe) } else #endif #ifdef CONFIG_BAND_VHF - if (state->current_band == BAND_VHF) { + if (state->current_band == BAND_VHF && !state->identity.p1g) { dib0090_set_rframp(state, rf_ramp_vhf); dib0090_set_bbramp(state, bb_ramp_boost); } else #endif #ifdef CONFIG_BAND_CBAND - if (state->current_band == BAND_CBAND) { + if (state->current_band == BAND_CBAND && !state->identity.p1g) { dib0090_set_rframp(state, rf_ramp_cband); dib0090_set_bbramp(state, bb_ramp_boost); } else #endif - { + if ((state->current_band == BAND_CBAND || state->current_band == BAND_VHF) && state->identity.p1g) { + dib0090_set_rframp(state, rf_ramp_cband_broadmatching); + dib0090_set_bbramp(state, bb_ramp_boost); + } else { dib0090_set_rframp(state, rf_ramp_uhf); dib0090_set_bbramp(state, bb_ramp_boost); } @@ -669,17 +1100,25 @@ int dib0090_gain_control(struct dvb_frontend *fe) *tune_state = CT_AGC_STEP_0; } else if (!state->agc_freeze) { - s16 wbd; + s16 wbd = 0, i, cnt; int adc; - wbd_val = dib0090_read_reg(state, 0x1d); + wbd_val = dib0090_get_slow_adc_val(state); - /* read and calc the wbd power */ - wbd = dib0090_wbd_to_db(state, wbd_val); + if (*tune_state == CT_AGC_STEP_0) + cnt = 5; + else + cnt = 1; + + for (i = 0; i < cnt; i++) { + wbd_val = dib0090_get_slow_adc_val(state); + wbd += dib0090_wbd_to_db(state, wbd_val); + } + wbd /= cnt; wbd_error = state->wbd_target - wbd; if (*tune_state == CT_AGC_STEP_0) { - if (wbd_error < 0 && state->rf_gain_limit > 0) { + if (wbd_error < 0 && state->rf_gain_limit > 0 && !state->identity.p1g) { #ifdef CONFIG_BAND_CBAND /* in case of CBAND tune reduce first the lt_gain2 before adjusting the RF gain */ u8 ltg2 = (state->rf_lt_def >> 10) & 0x7; @@ -700,39 +1139,39 @@ int dib0090_gain_control(struct dvb_frontend *fe) adc_error = (s16) (((s32) ADC_TARGET) - adc); #ifdef CONFIG_STANDARD_DAB if (state->fe->dtv_property_cache.delivery_system == STANDARD_DAB) - adc_error += 130; + adc_error -= 10; #endif #ifdef CONFIG_STANDARD_DVBT if (state->fe->dtv_property_cache.delivery_system == STANDARD_DVBT && - (state->fe->dtv_property_cache.modulation == QAM_64 || state->fe->dtv_property_cache.modulation == QAM_16)) + (state->fe->dtv_property_cache.modulation == QAM_64 || state->fe->dtv_property_cache.modulation == QAM_16)) adc_error += 60; #endif #ifdef CONFIG_SYS_ISDBT if ((state->fe->dtv_property_cache.delivery_system == SYS_ISDBT) && (((state->fe->dtv_property_cache.layer[0].segment_count > - 0) - && - ((state->fe->dtv_property_cache.layer[0].modulation == - QAM_64) - || (state->fe->dtv_property_cache.layer[0]. - modulation == QAM_16))) - || - ((state->fe->dtv_property_cache.layer[1].segment_count > - 0) - && - ((state->fe->dtv_property_cache.layer[1].modulation == - QAM_64) - || (state->fe->dtv_property_cache.layer[1]. - modulation == QAM_16))) - || - ((state->fe->dtv_property_cache.layer[2].segment_count > - 0) - && - ((state->fe->dtv_property_cache.layer[2].modulation == - QAM_64) - || (state->fe->dtv_property_cache.layer[2]. - modulation == QAM_16))) - ) - ) + 0) + && + ((state->fe->dtv_property_cache.layer[0].modulation == + QAM_64) + || (state->fe->dtv_property_cache. + layer[0].modulation == QAM_16))) + || + ((state->fe->dtv_property_cache.layer[1].segment_count > + 0) + && + ((state->fe->dtv_property_cache.layer[1].modulation == + QAM_64) + || (state->fe->dtv_property_cache. + layer[1].modulation == QAM_16))) + || + ((state->fe->dtv_property_cache.layer[2].segment_count > + 0) + && + ((state->fe->dtv_property_cache.layer[2].modulation == + QAM_64) + || (state->fe->dtv_property_cache. + layer[2].modulation == QAM_16))) + ) + ) adc_error += 60; #endif @@ -760,9 +1199,9 @@ int dib0090_gain_control(struct dvb_frontend *fe) } #ifdef DEBUG_AGC dprintk - ("FE: %d, tune state %d, ADC = %3ddB (ADC err %3d) WBD %3ddB (WBD err %3d, WBD val SADC: %4d), RFGainLimit (TOP): %3d, signal: %3ddBm", - (u32) fe->id, (u32) *tune_state, (u32) adc, (u32) adc_error, (u32) wbd, (u32) wbd_error, (u32) wbd_val, - (u32) state->rf_gain_limit >> WBD_ALPHA, (s32) 200 + adc - (state->current_gain >> GAIN_ALPHA)); + ("tune state %d, ADC = %3ddB (ADC err %3d) WBD %3ddB (WBD err %3d, WBD val SADC: %4d), RFGainLimit (TOP): %3d, signal: %3ddBm", + (u32) * tune_state, (u32) adc, (u32) adc_error, (u32) wbd, (u32) wbd_error, (u32) wbd_val, + (u32) state->rf_gain_limit >> WBD_ALPHA, (s32) 200 + adc - (state->current_gain >> GAIN_ALPHA)); #endif } @@ -771,6 +1210,7 @@ int dib0090_gain_control(struct dvb_frontend *fe) dib0090_gain_apply(state, adc_error, wbd_error, apply_gain_immediatly); return ret; } + EXPORT_SYMBOL(dib0090_gain_control); void dib0090_get_current_gain(struct dvb_frontend *fe, u16 * rf, u16 * bb, u16 * rf_gain_limit, u16 * rflt) @@ -785,13 +1225,53 @@ void dib0090_get_current_gain(struct dvb_frontend *fe, u16 * rf, u16 * bb, u16 * if (rflt) *rflt = (state->rf_lt_def >> 10) & 0x7; } + EXPORT_SYMBOL(dib0090_get_current_gain); -u16 dib0090_get_wbd_offset(struct dvb_frontend *tuner) +u16 dib0090_get_wbd_offset(struct dvb_frontend *fe) { - struct dib0090_state *st = tuner->tuner_priv; - return st->wbd_offset; + struct dib0090_state *state = fe->tuner_priv; + u32 f_MHz = state->fe->dtv_property_cache.frequency / 1000000; + s32 current_temp = state->temperature; + s32 wbd_thot, wbd_tcold; + const struct dib0090_wbd_slope *wbd = state->current_wbd_table; + + while (f_MHz > wbd->max_freq) + wbd++; + + dprintk("using wbd-table-entry with max freq %d", wbd->max_freq); + + if (current_temp < 0) + current_temp = 0; + if (current_temp > 128) + current_temp = 128; + + //What Wbd gain to apply for this range of frequency + state->wbdmux &= ~(7 << 13); + if (wbd->wbd_gain != 0) + state->wbdmux |= (wbd->wbd_gain << 13); + else + state->wbdmux |= (4 << 13); // 4 is the default WBD gain + + dib0090_write_reg(state, 0x10, state->wbdmux); + + //All the curves are linear with slope*f/64+offset + wbd_thot = wbd->offset_hot - (((u32) wbd->slope_hot * f_MHz) >> 6); + wbd_tcold = wbd->offset_cold - (((u32) wbd->slope_cold * f_MHz) >> 6); + + // Iet assumes that thot-tcold = 130 equiv 128, current temperature ref is -30deg + + wbd_tcold += ((wbd_thot - wbd_tcold) * current_temp) >> 7; + + //for (offset = 0; offset < 1000; offset += 4) + // dbgp("offset = %d -> %d\n", offset, dib0090_wbd_to_db(state, offset)); + state->wbd_target = dib0090_wbd_to_db(state, state->wbd_offset + wbd_tcold); // get the value in dBm from the offset + dprintk("wbd-target: %d dB", (u32) state->wbd_target); + dprintk("wbd offset applied is %d", wbd_tcold); + + return state->wbd_offset + wbd_tcold; } + EXPORT_SYMBOL(dib0090_get_wbd_offset); static const u16 dib0090_defaults[] = { @@ -801,7 +1281,7 @@ static const u16 dib0090_defaults[] = { 0x99a0, 0x6008, 0x0000, - 0x8acb, + 0x8bcb, 0x0000, 0x0405, 0x0000, @@ -829,8 +1309,6 @@ static const u16 dib0090_defaults[] = { 1, 0x39, 0x0000, - 1, 0x1b, - EN_IQADC | EN_BB | EN_BIAS | EN_DIGCLK | EN_PLL | EN_CRYSTAL, 2, 0x1e, 0x07FF, 0x0007, @@ -844,50 +1322,126 @@ static const u16 dib0090_defaults[] = { 0 }; -static int dib0090_reset(struct dvb_frontend *fe) -{ - struct dib0090_state *state = fe->tuner_priv; - u16 l, r, *n; +static const u16 dib0090_p1g_additionnal_defaults[] = { + // additionnal INITIALISATION for p1g to be written after dib0090_defaults + 1, 0x05, + 0xabcd, - dib0090_reset_digital(fe, state->config); - state->revision = dib0090_identify(fe); - - /* Revision definition */ - if (state->revision == 0xff) - return -EINVAL; -#ifdef EFUSE - else if ((state->revision & 0x1f) >= 3) /* Update the efuse : Only available for KROSUS > P1C */ - dib0090_set_EFUSE(state); -#endif + 1, 0x11, + 0x00b4, -#ifdef CONFIG_TUNER_DIB0090_P1B_SUPPORT - if (!(state->revision & 0x1)) /* it is P1B - reset is already done */ - return 0; -#endif + 1, 0x1c, + 0xfffd, + + 1, 0x40, + 0x108, + 0 +}; + +static void dib0090_set_default_config(struct dib0090_state *state, const u16 * n) +{ + u16 l, r; - /* Upload the default values */ - n = (u16 *) dib0090_defaults; l = pgm_read_word(n++); while (l) { r = pgm_read_word(n++); do { - /* DEBUG_TUNER */ - /* dprintk("%d, %d, %d", l, r, pgm_read_word(n)); */ dib0090_write_reg(state, r, pgm_read_word(n++)); r++; } while (--l); l = pgm_read_word(n++); } +} + +#define CAP_VALUE_MIN (u8) 9 +#define CAP_VALUE_MAX (u8) 40 +#define HR_MIN (u8) 25 +#define HR_MAX (u8) 40 +#define POLY_MIN (u8) 0 +#define POLY_MAX (u8) 8 + +void dib0090_set_EFUSE(struct dib0090_state *state) +{ + u8 c,h,n; + u16 e2,e4; + u16 cal; + + e2=dib0090_read_reg(state,0x26); + e4=dib0090_read_reg(state,0x28); + + if ((state->identity.version == P1D_E_F) || // All P1F uses the internal calibration + (state->identity.version == P1G) || (e2 == 0xffff)) { //W0090G11R1 and W0090G11R1-D : We will find the calibration Value of the Baseband + + dib0090_write_reg(state,0x22,0x10); //Start the Calib + cal = (dib0090_read_reg(state,0x22)>>6) & 0x3ff; + + if ((cal<670) || (cal==1023)) //Cal at 800 would give too high value for the n + cal=850; //Recenter the n to 32 + n = 165 - ((cal * 10)>>6) ; + e2 = e4 = (3<<12) | (34<<6) | (n); + } + + if (e2!=e4) { + e2 &= e4; /* Remove the redundancy */ + } + + if (e2 != 0xffff) { + c = e2 & 0x3f; + n = (e2 >> 12) & 0xf; + h= (e2 >> 6) & 0x3f; + + if ((c >= CAP_VALUE_MAX) || (c <= CAP_VALUE_MIN)) + c=32; + if ((h >= HR_MAX) || (h <= HR_MIN)) + h=34; + if ((n >= POLY_MAX) || (n <= POLY_MIN)) + n=3; + + dib0090_write_reg(state,0x13, (h << 10)) ; + e2 = (n<<11) | ((h>>2)<<6) | (c); + dib0090_write_reg(state,0x2, e2) ; /* Load the BB_2 */ + } +} + +static int dib0090_reset(struct dvb_frontend *fe) +{ + struct dib0090_state *state = fe->tuner_priv; + + dib0090_reset_digital(fe, state->config); + if (dib0090_identify(fe) < 0) + return -EIO; + +#ifdef CONFIG_TUNER_DIB0090_P1B_SUPPORT + if (!(state->identity.version & 0x1)) /* it is P1B - reset is already done */ + return 0; +#endif + + if (!state->identity.in_soc) { + if ((dib0090_read_reg(state, 0x1a) >> 5) & 0x2) + dib0090_write_reg(state, 0x1b, (EN_IQADC | EN_BB | EN_BIAS | EN_DIGCLK | EN_PLL | EN_CRYSTAL)); + else + dib0090_write_reg(state, 0x1b, (EN_DIGCLK | EN_PLL | EN_CRYSTAL)); + } + + dib0090_set_default_config(state, dib0090_defaults); + + if (state->identity.in_soc) + dib0090_write_reg(state, 0x18, 0x2910); /* charge pump current = 0 */ + + if (state->identity.p1g) + dib0090_set_default_config(state, dib0090_p1g_additionnal_defaults); + + if (((state->identity.version & 0x1f) >= P1D_E_F) || (state->identity.in_soc)) /* Update the efuse : Only available for KROSUS > P1C and SOC as well*/ + dib0090_set_EFUSE(state); /* Congigure in function of the crystal */ if (state->config->io.clock_khz >= 24000) - l = 1; + dib0090_write_reg(state, 0x14, 1); else - l = 2; - dib0090_write_reg(state, 0x14, l); + dib0090_write_reg(state, 0x14, 2); dprintk("Pll lock : %d", (dib0090_read_reg(state, 0x1a) >> 11) & 0x1); - state->reset = 3; /* enable iq-offset-calibration and wbd-calibration when tuning next time */ + state->calibrate = DC_CAL | WBD_CAL | TEMP_CAL; /* enable iq-offset-calibration and wbd-calibration when tuning next time */ return 0; } @@ -927,11 +1481,11 @@ static int dib0090_get_offset(struct dib0090_state *state, enum frontend_tune_st } struct dc_calibration { - uint8_t addr; - uint8_t offset; - uint8_t pga:1; - uint16_t bb1; - uint8_t i:1; + u8 addr; + u8 offset; + u8 pga:1; + u16 bb1; + u8 i:1; }; static const struct dc_calibration dc_table[] = { @@ -944,6 +1498,17 @@ static const struct dc_calibration dc_table[] = { {0}, }; +static const struct dc_calibration dc_p1g_table[] = { + /* Step1 BB gain1= 26 with boost 1, gain 2 = 0 */ + /* addr ; trim reg offset ; pga ; CTRL_BB1 value ; i or q */ + {0x06, 5, 1, (1 << 13) | (0 << 8) | (15 << 3), 1}, // offset_trim2_i_chann 0 0 5 0 0 1 6 9 5 + {0x07, 11, 1, (1 << 13) | (0 << 8) | (15 << 3), 0}, // offset_trim2_q_chann 0 0 5 0 0 1 7 15 11 + /* Step 2 BB gain 1 = 26 with boost = 1 & gain 2 = 29 */ + {0x06, 0, 0, (1 << 13) | (29 << 8) | (15 << 3), 1}, // offset_trim1_i_chann 0 0 5 0 0 1 6 4 0 + {0x06, 10, 0, (1 << 13) | (29 << 8) | (15 << 3), 0}, // offset_trim1_q_chann 0 0 5 0 0 1 6 14 10 + {0}, +}; + static void dib0090_set_trim(struct dib0090_state *state) { u16 *val; @@ -962,41 +1527,45 @@ static void dib0090_set_trim(struct dib0090_state *state) static int dib0090_dc_offset_calibration(struct dib0090_state *state, enum frontend_tune_state *tune_state) { int ret = 0; + u16 reg; switch (*tune_state) { - case CT_TUNER_START: - /* init */ - dprintk("Internal DC calibration"); - - /* the LNA is off */ - dib0090_write_reg(state, 0x24, 0x02ed); + dprintk("Start DC offset calibration"); /* force vcm2 = 0.8V */ state->bb6 = 0; state->bb7 = 0x040d; + /* the LNA AND LO are off */ + reg = dib0090_read_reg(state, 0x24) & 0x0ffb; /* shutdown lna and lo */ + dib0090_write_reg(state, 0x24, reg); + + state->wbdmux = dib0090_read_reg(state, 0x10); + dib0090_write_reg(state, 0x10, (state->wbdmux & ~(0xff << 3)) | (0x7 << 3) | 0x3); // connect BB, disable WDB enable* + dib0090_write_reg(state, 0x23, dib0090_read_reg(state, 0x23) & ~(1 << 14)); //Discard the DataTX + state->dc = dc_table; + if (state->identity.p1g) + state->dc = dc_p1g_table; *tune_state = CT_TUNER_STEP_0; /* fall through */ case CT_TUNER_STEP_0: + dprintk("Sart/continue DC calibration for %s path", (state->dc->i == 1) ? "I" : "Q"); dib0090_write_reg(state, 0x01, state->dc->bb1); dib0090_write_reg(state, 0x07, state->bb7 | (state->dc->i << 7)); state->step = 0; - state->min_adc_diff = 1023; - *tune_state = CT_TUNER_STEP_1; ret = 50; break; case CT_TUNER_STEP_1: dib0090_set_trim(state); - *tune_state = CT_TUNER_STEP_2; break; @@ -1007,7 +1576,13 @@ static int dib0090_dc_offset_calibration(struct dib0090_state *state, enum front break; case CT_TUNER_STEP_5: /* found an offset */ - dprintk("FE%d: IQC read=%d, current=%x", state->fe->id, (u32) state->adc_diff, state->step); + dprintk("adc_diff = %d, current step= %d", (u32) state->adc_diff, state->step); + if (state->step == 0 && state->adc_diff < 0) { + state->min_adc_diff = -1023; + dprintk("Change of sign of the minimum adc diff"); + } + + dprintk("adc_diff = %d, min_adc_diff = %d current_step = %d", state->adc_diff, state->min_adc_diff, state->step); /* first turn for this frequency */ if (state->step == 0) { @@ -1017,20 +1592,21 @@ static int dib0090_dc_offset_calibration(struct dib0090_state *state, enum front state->step = 0x10; } - state->adc_diff = ABS(state->adc_diff); - - if (state->adc_diff < state->min_adc_diff && steps(state->step) < 15) { /* stop search when the delta to 0 is increasing */ + /* Look for a change of Sign in the Adc_diff.min_adc_diff is used to STORE the setp N-1 */ + if ((state->adc_diff & 0x8000) == (state->min_adc_diff & 0x8000) && steps(state->step) < 15) { + /* stop search when the delta the sign is changing and Steps =15 and Step=0 is force for continuance */ state->step++; - state->min_adc_diff = state->adc_diff; + state->min_adc_diff = state->adc_diff; //min is used as N-1 *tune_state = CT_TUNER_STEP_1; } else { - /* the minimum was what we have seen in the step before */ - state->step--; - dib0090_set_trim(state); + if (ABS(state->adc_diff) > ABS(state->min_adc_diff)) { //Come back to the previous state since the delta was better + dprintk("Since adc_diff N = %d > adc_diff step N-1 = %d, Come back one step", state->adc_diff, state->min_adc_diff); + state->step--; + } - dprintk("FE%d: BB Offset Cal, BBreg=%hd,Offset=%hd,Value Set=%hd", state->fe->id, state->dc->addr, state->adc_diff, - state->step); + dib0090_set_trim(state); + dprintk("BB Offset Cal, BBreg=%hd,Offset=%hd,Value Set=%hd", state->dc->addr, state->adc_diff, state->step); state->dc++; if (state->dc->addr == 0) /* done */ @@ -1042,10 +1618,10 @@ static int dib0090_dc_offset_calibration(struct dib0090_state *state, enum front break; case CT_TUNER_STEP_6: - dib0090_write_reg(state, 0x07, state->bb7 & ~0x0008); + dib0090_write_reg(state, 0x07, state->bb7 & ~0x0008); //Force the test bus to be off dib0090_write_reg(state, 0x1f, 0x7); *tune_state = CT_TUNER_START; /* reset done -> real tuning can now begin */ - state->reset &= ~0x1; + state->calibrate &= ~DC_CAL; default: break; } @@ -1054,21 +1630,43 @@ static int dib0090_dc_offset_calibration(struct dib0090_state *state, enum front static int dib0090_wbd_calibration(struct dib0090_state *state, enum frontend_tune_state *tune_state) { + u8 wbd_gain; + const struct dib0090_wbd_slope *wbd = state->current_wbd_table; + switch (*tune_state) { case CT_TUNER_START: - /* WBD-mode=log, Bias=2, Gain=6, Testmode=1, en=1, WBDMUX=1 */ - dib0090_write_reg(state, 0x10, 0xdb09 | (1 << 10)); - dib0090_write_reg(state, 0x24, EN_UHF & 0x0fff); + while (state->current_rf / 1000 > wbd->max_freq) + wbd++; + if (wbd->wbd_gain != 0) + wbd_gain = wbd->wbd_gain; + else { + wbd_gain = 4; +#if defined(CONFIG_BAND_LBAND) || defined(CONFIG_BAND_SBAND) + if ((state->current_band == BAND_LBAND) || (state->current_band == BAND_SBAND)) + wbd_gain = 2; +#endif + } + if (wbd_gain == state->wbd_calibration_gain) { /* the WBD calibration has already been done */ + *tune_state = CT_TUNER_START; + state->calibrate &= ~WBD_CAL; + return 0; + } + + dib0090_write_reg(state, 0x10, 0x1b81 | (1 << 10) | (wbd_gain << 13) | (1 << 3)); // Force: WBD enable,gain to 4, mux to WBD + + dib0090_write_reg(state, 0x24, ((EN_UHF & 0x0fff) | (1 << 1))); //Discard all LNA but crystal !!! *tune_state = CT_TUNER_STEP_0; + state->wbd_calibration_gain = wbd_gain; return 90; /* wait for the WBDMUX to switch and for the ADC to sample */ + case CT_TUNER_STEP_0: - state->wbd_offset = dib0090_read_reg(state, 0x1d); + state->wbd_offset = dib0090_get_slow_adc_val(state); dprintk("WBD calibration offset = %d", state->wbd_offset); - *tune_state = CT_TUNER_START; /* reset done -> real tuning can now begin */ - state->reset &= ~0x2; + state->calibrate &= ~WBD_CAL; break; + default: break; } @@ -1092,6 +1690,15 @@ static void dib0090_set_bandwidth(struct dib0090_state *state) state->bb_1_def |= tmp; dib0090_write_reg(state, 0x01, state->bb_1_def); /* be sure that we have the right bb-filter */ + + dib0090_write_reg(state, 0x03, 0x6008); /* = 0x6008 : vcm3_trim = 1 ; filter2_gm1_trim = 8 ; filter2_cutoff_freq = 0 */ + dib0090_write_reg(state, 0x04, 0x1); /* 0 = 1KHz ; 1 = 50Hz ; 2 = 150Hz ; 3 = 50KHz ; 4 = servo fast */ + if (state->identity.in_soc) { + dib0090_write_reg(state, 0x05, 0x9bcf); /* attenuator_ibias_tri = 2 ; input_stage_ibias_tr = 1 ; nc = 11 ; ext_gm_trim = 1 ; obuf_ibias_trim = 4 ; filter13_gm2_ibias_t = 15 */ + } else { + dib0090_write_reg(state, 0x02, (5 << 11) | (8 << 6) | (22 & 0x3f)); /* 22 = cap_value */ + dib0090_write_reg(state, 0x05, 0xabcd); /* = 0xabcd : attenuator_ibias_tri = 2 ; input_stage_ibias_tr = 2 ; nc = 11 ; ext_gm_trim = 1 ; obuf_ibias_trim = 4 ; filter13_gm2_ibias_t = 13 */ + } } static const struct dib0090_pll dib0090_pll_table[] = { @@ -1180,6 +1787,266 @@ static const struct dib0090_tuning dib0090_tuning_table[] = { #endif }; +static const struct dib0090_tuning dib0090_p1g_tuning_table[] = { + //max_freq, switch_trim, lna_tune, lna_bias, v2i, mix, load, tuner_enable; +#ifdef CONFIG_BAND_CBAND + {170000, 4, 1, 0x820f, 0x300, 0x2d22, 0x82cb, EN_CAB}, // FM EN_CAB +#endif +#ifdef CONFIG_BAND_VHF + {184000, 1, 1, 15, 0x300, 0x4d12, 0xb94e, EN_VHF}, // VHF EN_VHF + {227000, 1, 3, 15, 0x300, 0x4d12, 0xb94e, EN_VHF}, // VHF EN_VHF + {380000, 1, 7, 15, 0x300, 0x4d12, 0xb94e, EN_VHF}, // VHF EN_VHF +#endif +#ifdef CONFIG_BAND_UHF + {510000, 2, 0, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF + {540000, 2, 1, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF + {600000, 2, 3, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF + {630000, 2, 4, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF + {680000, 2, 5, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF + {720000, 2, 6, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF + {900000, 2, 7, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF +#endif +#ifdef CONFIG_BAND_LBAND + {1500000, 4, 0, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, // LBD EN_LBD + {1600000, 4, 1, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, // LBD EN_LBD + {1800000, 4, 3, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, // LBD EN_LBD +#endif +#ifdef CONFIG_BAND_SBAND + {2300000, 1, 4, 20, 0x300, 0x2d2A, 0x82c7, EN_SBD}, // SBD EN_SBD + {2900000, 1, 7, 20, 0x280, 0x2deb, 0x8347, EN_SBD}, // SBD EN_SBD +#endif +}; + +static const struct dib0090_pll dib0090_p1g_pll_table[] = { +#ifdef CONFIG_BAND_CBAND + {57000, 0, 11, 48, 6}, // CAB + {70000, 1, 11, 48, 6}, // CAB + {86000, 0, 10, 32, 4}, // CAB + {105000, 1, 10, 32, 4}, // FM + {115000, 0, 9, 24, 6}, // FM + {140000, 1, 9, 24, 6}, // MID FM VHF + {170000, 0, 8, 16, 4}, // MID FM VHF +#endif +#ifdef CONFIG_BAND_VHF + {200000, 1, 8, 16, 4}, // VHF + {230000, 0, 7, 12, 6}, // VHF + {280000, 1, 7, 12, 6}, // MID VHF UHF + {340000, 0, 6, 8, 4}, // MID VHF UHF + {380000, 1, 6, 8, 4}, // MID VHF UHF + {455000, 0, 5, 6, 6}, // MID VHF UHF +#endif +#ifdef CONFIG_BAND_UHF + {580000, 1, 5, 6, 6}, // UHF + {680000, 0, 4, 4, 4}, // UHF + {860000, 1, 4, 4, 4}, // UHF +#endif +#ifdef CONFIG_BAND_LBAND + {1800000, 1, 2, 2, 4}, // LBD +#endif +#ifdef CONFIG_BAND_SBAND + {2900000, 0, 1, 1, 6}, // SBD +#endif +}; + +static const struct dib0090_tuning dib0090_p1g_tuning_table_fm_vhf_on_cband[] = { + //max_freq, switch_trim, lna_tune, lna_bias, v2i, mix, load, tuner_enable; +#ifdef CONFIG_BAND_CBAND + {184000, 4, 3, 0x4187, 0x2c0, 0x2d22, 0x81cb, EN_CAB}, // FM EN_CAB // 0x8190 Good perf but higher current //0x4187 Low current + {227000, 4, 3, 0x4187, 0x2c0, 0x2d22, 0x81cb, EN_CAB}, // FM EN_CAB + {380000, 4, 3, 0x4187, 0x2c0, 0x2d22, 0x81cb, EN_CAB}, // FM EN_CAB +#endif +#ifdef CONFIG_BAND_UHF + {520000, 2, 0, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF + {550000, 2, 2, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF + {650000, 2, 3, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF + {750000, 2, 5, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF + {850000, 2, 6, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF + {900000, 2, 7, 15, 0x300, 0x1d12, 0xb9ce, EN_UHF}, // UHF +#endif +#ifdef CONFIG_BAND_LBAND + {1500000, 4, 0, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, // LBD EN_LBD + {1600000, 4, 1, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, // LBD EN_LBD + {1800000, 4, 3, 20, 0x300, 0x1912, 0x82c9, EN_LBD}, // LBD EN_LBD +#endif +#ifdef CONFIG_BAND_SBAND + {2300000, 1, 4, 20, 0x300, 0x2d2A, 0x82c7, EN_SBD}, // SBD EN_SBD + {2900000, 1, 7, 20, 0x280, 0x2deb, 0x8347, EN_SBD}, // SBD EN_SBD +#endif +}; + +static const struct dib0090_tuning dib0090_tuning_table_cband_7090[] = { + //max_freq, switch_trim, lna_tune, lna_bias, v2i, mix, load, tuner_enable; +#ifdef CONFIG_BAND_CBAND + //{ 184000, 4, 3, 0x018F, 0x2c0, 0x2d22, 0xb9ce, EN_CAB }, // 0x81ce 0x8190 Good perf but higher current //0x4187 Low current + {300000, 4, 3, 0x018F, 0x2c0, 0x2d22, 0xb9ce, EN_CAB}, + {380000, 4, 10, 0x018F, 0x2c0, 0x2d22, 0xb9ce, EN_CAB}, //0x4187 + {570000, 4, 10, 0x8190, 0x2c0, 0x2d22, 0xb9ce, EN_CAB}, + {858000, 4, 5, 0x8190, 0x2c0, 0x2d22, 0xb9ce, EN_CAB}, +#endif +}; + +static int dib0090_captrim_search(struct dib0090_state *state, enum frontend_tune_state *tune_state) +{ + int ret = 0; + u16 lo4 = 0xe900; + + s16 adc_target; + u16 adc; + s8 step_sign; + u8 force_soft_search = 0; + + if (state->identity.version == SOC_8090_P1G_11R1 || state->identity.version == SOC_8090_P1G_21R1) + force_soft_search = 1; + + if (*tune_state == CT_TUNER_START) { + dprintk("Start Captrim search : %s", (force_soft_search == 1) ? "FORCE SOFT SEARCH" : "AUTO"); + dib0090_write_reg(state, 0x10, 0x2B1); + dib0090_write_reg(state, 0x1e, 0x0032); + + if (!state->tuner_is_tuned) { + /* prepare a complete captrim */ + if (!state->identity.p1g || force_soft_search) + state->step = state->captrim = state->fcaptrim = 64; + + state->current_rf = state->rf_request; + } else { /* we are already tuned to this frequency - the configuration is correct */ + if (!state->identity.p1g || force_soft_search) { + /* do a minimal captrim even if the frequency has not changed */ + state->step = 4; + state->captrim = state->fcaptrim = dib0090_read_reg(state, 0x18) & 0x7f; + } + } + state->adc_diff = 3000; // start with a unreachable high number : only set for KROSUS < P1G */ + *tune_state = CT_TUNER_STEP_0; + + } else if (*tune_state == CT_TUNER_STEP_0) { + if (state->identity.p1g && !force_soft_search) { + // 30MHz => Code 15 for the ration => 128us to lock. Giving approximately + u8 ratio = 31; // (state->config->io.clock_khz / 1024 + 1) & 0x1f; + + dib0090_write_reg(state, 0x40, (3 << 7) | (ratio << 2) | (1 << 1) | 1); + dib0090_read_reg(state, 0x40); + //dib0090_write_reg(state, 0x40, (3<<7) | ((((state->config->io.clock_khz >> 11)+1) & 0x1f)<<2) | (1<<1) | 1); + ret = 50; + } else { + state->step /= 2; + dib0090_write_reg(state, 0x18, lo4 | state->captrim); + + if (state->identity.in_soc) + ret = 25; + } + *tune_state = CT_TUNER_STEP_1; + + } else if (*tune_state == CT_TUNER_STEP_1) { + if (state->identity.p1g && !force_soft_search) { + dib0090_write_reg(state, 0x40, 0x18c | (0 << 1) | 0); + dib0090_read_reg(state, 0x40); + + state->fcaptrim = dib0090_read_reg(state, 0x18) & 0x7F; + dprintk("***Final Captrim= 0x%x", state->fcaptrim); + *tune_state = CT_TUNER_STEP_3; + + } else { + /* MERGE for all krosus before P1G */ + adc = dib0090_get_slow_adc_val(state); + dprintk("CAPTRIM=%d; ADC = %d (ADC) & %dmV", (u32) state->captrim, (u32) adc, (u32) (adc) * (u32) 1800 / (u32) 1024); + + if (state->rest == 0 || state->identity.in_soc) { /* Just for 8090P SOCS where auto captrim HW bug : TO CHECK IN ACI for SOCS !!! if 400 for 8090p SOC => tune issue !!! */ + adc_target = 200; + } else + adc_target = 400; + + if (adc >= adc_target) { + adc -= adc_target; + step_sign = -1; + } else { + adc = adc_target - adc; + step_sign = 1; + } + + if (adc < state->adc_diff) { + dprintk("CAPTRIM=%d is closer to target (%d/%d)", (u32) state->captrim, (u32) adc, (u32) state->adc_diff); + state->adc_diff = adc; + state->fcaptrim = state->captrim; + //we could break here, to save time, if we reached a close-enough value + //e.g.: if (state->adc_diff < 20) + //break; + } + + state->captrim += step_sign * state->step; + if (state->step >= 1) + *tune_state = CT_TUNER_STEP_0; + else + *tune_state = CT_TUNER_STEP_2; + + ret = 25; //LOLO changed from 15 + } + } else if (*tune_state == CT_TUNER_STEP_2) { /* this step is only used by krosus < P1G */ + /*write the final cptrim config */ + dib0090_write_reg(state, 0x18, lo4 | state->fcaptrim); + + *tune_state = CT_TUNER_STEP_3; + + } else if (*tune_state == CT_TUNER_STEP_3) { + state->calibrate &= ~CAPTRIM_CAL; + *tune_state = CT_TUNER_STEP_0; + } + + return ret; +} + +static int dib0090_get_temperature(struct dib0090_state *state, enum frontend_tune_state *tune_state) +{ + int ret = 15; + s16 val; + + //The assumption is that the AGC is not active + switch (*tune_state) { + case CT_TUNER_START: + state->wbdmux = dib0090_read_reg(state, 0x10); + dib0090_write_reg(state, 0x10, (state->wbdmux & ~(0xff << 3)) | (0x8 << 3)); //Move to the bias and clear the wbd enable + + state->bias = dib0090_read_reg(state, 0x13); + dib0090_write_reg(state, 0x13, state->bias | (0x3 << 8)); //Move to the Ref + + *tune_state = CT_TUNER_STEP_0; + /* wait for the WBDMUX to switch and for the ADC to sample */ + break; + + case CT_TUNER_STEP_0: + state->adc_diff = dib0090_get_slow_adc_val(state); // Get the value for the Ref + dib0090_write_reg(state, 0x13, (state->bias & ~(0x3 << 8)) | (0x2 << 8)); //Move to the Ptat + *tune_state = CT_TUNER_STEP_1; + break; + + case CT_TUNER_STEP_1: + val = dib0090_get_slow_adc_val(state); // Get the value for the Ptat + state->temperature = ((s16) ((val - state->adc_diff) * 180) >> 8) + 55; // +55 is defined as = -30deg + + dprintk("temperature: %d C", state->temperature - 30); + + *tune_state = CT_TUNER_STEP_2; + break; + + case CT_TUNER_STEP_2: + //Reload the start values. + dib0090_write_reg(state, 0x13, state->bias); + dib0090_write_reg(state, 0x10, state->wbdmux); /* write back original WBDMUX */ + + *tune_state = CT_TUNER_START; + state->calibrate &= ~TEMP_CAL; + if (state->config->analog_output == 0) + dib0090_write_reg(state, 0x23, dib0090_read_reg(state, 0x23) | (1 << 14)); //Set the DataTX + + break; + + default: + ret = 0; + break; + } + return ret; +} + #define WBD 0x781 /* 1 1 1 1 0000 0 0 1 */ static int dib0090_tune(struct dvb_frontend *fe) { @@ -1188,91 +2055,139 @@ static int dib0090_tune(struct dvb_frontend *fe) const struct dib0090_pll *pll = state->current_pll_table_index; enum frontend_tune_state *tune_state = &state->tune_state; - u32 rf; - u16 lo4 = 0xe900, lo5, lo6, Den; + u16 lo5, lo6, Den, tmp; u32 FBDiv, Rest, FREF, VCOF_kHz = 0; - u16 tmp, adc; - int8_t step_sign; int ret = 10; /* 1ms is the default delay most of the time */ u8 c, i; - state->current_band = (u8) BAND_OF_FREQUENCY(fe->dtv_property_cache.frequency / 1000); - rf = fe->dtv_property_cache.frequency / 1000 + (state->current_band == - BAND_UHF ? state->config->freq_offset_khz_uhf : state->config->freq_offset_khz_vhf); - /* in any case we first need to do a reset if needed */ - if (state->reset & 0x1) - return dib0090_dc_offset_calibration(state, tune_state); - else if (state->reset & 0x2) - return dib0090_wbd_calibration(state, tune_state); - - /************************* VCO ***************************/ + /************************* VCO ***************************/ /* Default values for FG */ /* from these are needed : */ /* Cp,HFdiv,VCOband,SD,Num,Den,FB and REFDiv */ -#ifdef CONFIG_SYS_ISDBT - if (state->fe->dtv_property_cache.delivery_system == SYS_ISDBT && state->fe->dtv_property_cache.isdbt_sb_mode == 1) - rf += 850; -#endif + /* in any case we first need to do a calibration if needed */ + if (*tune_state == CT_TUNER_START) { + /* deactivate DataTX before some calibrations */ + if (state->calibrate & (DC_CAL | TEMP_CAL | WBD_CAL)) + dib0090_write_reg(state, 0x23, dib0090_read_reg(state, 0x23) & ~(1 << 14)); + else /* Activate DataTX in case a calibration has been done before */ if (state->config->analog_output == 0) + dib0090_write_reg(state, 0x23, dib0090_read_reg(state, 0x23) | (1 << 14)); + } - if (state->current_rf != rf) { - state->tuner_is_tuned = 0; + if (state->calibrate & DC_CAL) + return dib0090_dc_offset_calibration(state, tune_state); + else if (state->calibrate & WBD_CAL) { + if (state->current_rf == 0) { + state->current_rf = state->fe->dtv_property_cache.frequency / 1000; + } + return dib0090_wbd_calibration(state, tune_state); + } else if (state->calibrate & TEMP_CAL) + return dib0090_get_temperature(state, tune_state); + else if (state->calibrate & CAPTRIM_CAL) + return dib0090_captrim_search(state, tune_state); - tune = dib0090_tuning_table; + if (*tune_state == CT_TUNER_START) { + /* if soc and AGC pwm control, disengage mux to be able to R/W access to 0x01 register to set the right filter (cutoff_freq_select) during the tune sequence, otherwise, SOC SERPAR error when accessing to 0x01 */ + if (state->config->use_pwm_agc && state->identity.in_soc) { + tmp = dib0090_read_reg(state, 0x39); + if ((tmp >> 10) & 0x1) + dib0090_write_reg(state, 0x39, tmp & ~(1 << 10)); // disengage mux : en_mux_bb1 = 0 + } - tmp = (state->revision >> 5) & 0x7; - if (tmp == 0x4 || tmp == 0x7) { - /* CBAND tuner version for VHF */ - if (state->current_band == BAND_FM || state->current_band == BAND_VHF) { - /* Force CBAND */ - state->current_band = BAND_CBAND; - tune = dib0090_tuning_table_fm_vhf_on_cband; + state->current_band = (u8) BAND_OF_FREQUENCY(state->fe->dtv_property_cache.frequency / 1000); + state->rf_request = + state->fe->dtv_property_cache.frequency / 1000 + (state->current_band == + BAND_UHF ? state->config->freq_offset_khz_uhf : state->config-> + freq_offset_khz_vhf); + + /* in ISDB-T 1seg we shift tuning frequency */ + if ((state->fe->dtv_property_cache.delivery_system == SYS_ISDBT && state->fe->dtv_property_cache.isdbt_sb_mode == 1 + && state->fe->dtv_property_cache.isdbt_partial_reception == 0)) { + const struct dib0090_low_if_offset_table *LUT_offset = state->config->low_if; + u8 found_offset = 0; + u32 margin_khz = 100; + + if (LUT_offset != NULL) { + while (LUT_offset->RF_freq != 0xffff) { + if (((state->rf_request > (LUT_offset->RF_freq - margin_khz)) + && (state->rf_request < (LUT_offset->RF_freq + margin_khz))) + && LUT_offset->std == state->fe->dtv_property_cache.delivery_system) { + state->rf_request += LUT_offset->offset_khz; + found_offset = 1; + break; + } + LUT_offset++; + } } + + if (found_offset == 0) + state->rf_request += 400; } + if (state->current_rf != state->rf_request || (state->current_standard != state->fe->dtv_property_cache.delivery_system)) { + state->tuner_is_tuned = 0; + state->current_rf = 0; + state->current_standard = 0; - pll = dib0090_pll_table; - /* Look for the interval */ - while (rf > tune->max_freq) - tune++; - while (rf > pll->max_freq) - pll++; - state->current_tune_table_index = tune; - state->current_pll_table_index = pll; - } + tune = dib0090_tuning_table; + if (state->identity.p1g) + tune = dib0090_p1g_tuning_table; - if (*tune_state == CT_TUNER_START) { + tmp = (state->identity.version >> 5) & 0x7; - if (state->tuner_is_tuned == 0) - state->current_rf = 0; + if (state->identity.in_soc) { + if (state->config->force_cband_input) { /* Use the CBAND input for all band */ + if (state->current_band & BAND_CBAND || state->current_band & BAND_FM || state->current_band & BAND_VHF + || state->current_band & BAND_UHF) { + state->current_band = BAND_CBAND; + tune = dib0090_tuning_table_cband_7090; + } + } else { /* Use the CBAND input for all band under UHF */ + if (state->current_band & BAND_CBAND || state->current_band & BAND_FM || state->current_band & BAND_VHF) { + state->current_band = BAND_CBAND; + tune = dib0090_tuning_table_cband_7090; + } + } + } else + if (tmp == 0x4 || tmp == 0x7) { + /* CBAND tuner version for VHF */ + if (state->current_band == BAND_FM || state->current_band == BAND_CBAND || state->current_band == BAND_VHF) { + state->current_band = BAND_CBAND; /* Force CBAND */ + + tune = dib0090_tuning_table_fm_vhf_on_cband; + if (state->identity.p1g) + tune = dib0090_p1g_tuning_table_fm_vhf_on_cband; + } + } - if (state->current_rf != rf) { + pll = dib0090_pll_table; + if (state->identity.p1g) + pll = dib0090_p1g_pll_table; - dib0090_write_reg(state, 0x0b, 0xb800 | (tune->switch_trim)); + /* Look for the interval */ + while (state->rf_request > tune->max_freq) + tune++; + while (state->rf_request > pll->max_freq) + pll++; - /* external loop filter, otherwise: - * lo5 = (0 << 15) | (0 << 12) | (0 << 11) | (3 << 9) | (4 << 6) | (3 << 4) | 4; - * lo6 = 0x0e34 */ - if (pll->vco_band) - lo5 = 0x049e; - else if (state->config->analog_output) - lo5 = 0x041d; - else - lo5 = 0x041c; + state->current_tune_table_index = tune; + state->current_pll_table_index = pll; - lo5 |= (pll->hfdiv_code << 11) | (pll->vco_band << 7); /* bit 15 is the split to the slave, we do not do it here */ - - if (!state->config->io.pll_int_loop_filt) - lo6 = 0xff28; - else - lo6 = (state->config->io.pll_int_loop_filt << 3); + // select internal switch + dib0090_write_reg(state, 0x0b, 0xb800 | (tune->switch_trim)); - VCOF_kHz = (pll->hfdiv * rf) * 2; + // Find the VCO frequency in MHz + VCOF_kHz = (pll->hfdiv * state->rf_request) * 2; - FREF = state->config->io.clock_khz; + FREF = state->config->io.clock_khz; // REFDIV is 1FREF Has to be as Close as possible to 10MHz + if (state->config->fref_clock_ratio != 0) + FREF /= state->config->fref_clock_ratio; + // Determine the FB divider + // The reference is 10MHz, Therefore the FBdivider is on the first digits FBDiv = (VCOF_kHz / pll->topresc / FREF); - Rest = (VCOF_kHz / pll->topresc) - FBDiv * FREF; + Rest = (VCOF_kHz / pll->topresc) - FBDiv * FREF; //in kHz + // Avoid Spurs in the loopfilter bandwidth if (Rest < LPF) Rest = 0; else if (Rest < 2 * LPF) @@ -1280,147 +2195,155 @@ static int dib0090_tune(struct dvb_frontend *fe) else if (Rest > (FREF - LPF)) { Rest = 0; FBDiv += 1; - } else if (Rest > (FREF - 2 * LPF)) + } //Go to the next FB + else if (Rest > (FREF - 2 * LPF)) Rest = FREF - 2 * LPF; Rest = (Rest * 6528) / (FREF / 10); + state->rest = Rest; - Den = 1; + /* external loop filter, otherwise: + * lo5 = (0 << 15) | (0 << 12) | (0 << 11) | (3 << 9) | (4 << 6) | (3 << 4) | 4; + * lo6 = 0x0e34 */ + + if (Rest == 0) { + if (pll->vco_band) + lo5 = 0x049f; + //else if (state->config->analog_output) + // lo5 = 0x041f; + else + lo5 = 0x041f; + } else { + if (pll->vco_band) + lo5 = 0x049e; + else if (state->config->analog_output) + lo5 = 0x041d; + else + lo5 = 0x041c; + } + + if (state->identity.p1g) { /* Bias is done automatically in P1G */ + if (state->identity.in_soc) { + if (state->identity.version == SOC_8090_P1G_11R1) + lo5 = 0x46f; + else + lo5 = 0x42f; + } else + lo5 = 0x42c; //BIAS Lo set to 4 by default in case of the Captrim search does not take care of the VCO Bias + } + + lo5 |= (pll->hfdiv_code << 11) | (pll->vco_band << 7); /* bit 15 is the split to the slave, we do not do it here */ + + //Internal loop filter set... + if (!state->config->io.pll_int_loop_filt) { + if (state->identity.in_soc) + lo6 = 0xff98; + else if (state->identity.p1g || (Rest == 0)) + lo6 = 0xfff8; + else + lo6 = 0xff28; + } else + lo6 = (state->config->io.pll_int_loop_filt << 3); // take the loop filter value given by the layout + //dprintk("lo6 = 0x%04x", (u32)lo6); - dprintk(" ***** ******* Rest value = %d", Rest); + Den = 1; if (Rest > 0) { if (state->config->analog_output) - lo6 |= (1 << 2) | 2; - else - lo6 |= (1 << 2) | 1; + lo6 |= (1 << 2) | 2; //SigmaDelta and Dither + else { + if (state->identity.in_soc) + lo6 |= (1 << 2) | 2; //SigmaDelta and Dither + else + lo6 |= (1 << 2) | 2; //SigmaDelta and Dither + } Den = 255; } -#ifdef CONFIG_BAND_SBAND - if (state->current_band == BAND_SBAND) - lo6 &= 0xfffb; -#endif - + // Now we have to define the Num and Denum + // LO1 gets the FBdiv dib0090_write_reg(state, 0x15, (u16) FBDiv); - - dib0090_write_reg(state, 0x16, (Den << 8) | 1); - + // LO2 gets the REFDiv + if (state->config->fref_clock_ratio != 0) + dib0090_write_reg(state, 0x16, (Den << 8) | state->config->fref_clock_ratio); + else + dib0090_write_reg(state, 0x16, (Den << 8) | 1); + // LO3 for the Numerator dib0090_write_reg(state, 0x17, (u16) Rest); - + // VCO and HF DIV dib0090_write_reg(state, 0x19, lo5); - + // SIGMA Delta dib0090_write_reg(state, 0x1c, lo6); + // Check if the 0090 is analogged configured + //Disable ADC and DigPLL =0xFF9F, 0xffbf for test purposes. + //Enable The Outputs of the BB on DATA_Tx lo6 = tune->tuner_enable; if (state->config->analog_output) lo6 = (lo6 & 0xff9f) | 0x2; - dib0090_write_reg(state, 0x24, lo6 | EN_LO -#ifdef CONFIG_DIB0090_USE_PWM_AGC - | state->config->use_pwm_agc * EN_CRYSTAL -#endif - ); - - state->current_rf = rf; + dib0090_write_reg(state, 0x24, lo6 | EN_LO | state->config->use_pwm_agc * EN_CRYSTAL); - /* prepare a complete captrim */ - state->step = state->captrim = state->fcaptrim = 64; - - } else { /* we are already tuned to this frequency - the configuration is correct */ - - /* do a minimal captrim even if the frequency has not changed */ - state->step = 4; - state->captrim = state->fcaptrim = dib0090_read_reg(state, 0x18) & 0x7f; } - state->adc_diff = 3000; - dib0090_write_reg(state, 0x10, 0x2B1); - - dib0090_write_reg(state, 0x1e, 0x0032); + state->current_rf = state->rf_request; + state->current_standard = state->fe->dtv_property_cache.delivery_system; ret = 20; - *tune_state = CT_TUNER_STEP_1; - } else if (*tune_state == CT_TUNER_STEP_0) { - /* nothing */ - } else if (*tune_state == CT_TUNER_STEP_1) { - state->step /= 2; - dib0090_write_reg(state, 0x18, lo4 | state->captrim); - *tune_state = CT_TUNER_STEP_2; - } else if (*tune_state == CT_TUNER_STEP_2) { - - adc = dib0090_read_reg(state, 0x1d); - dprintk("FE %d CAPTRIM=%d; ADC = %d (ADC) & %dmV", (u32) fe->id, (u32) state->captrim, (u32) adc, - (u32) (adc) * (u32) 1800 / (u32) 1024); - - if (adc >= 400) { - adc -= 400; - step_sign = -1; - } else { - adc = 400 - adc; - step_sign = 1; - } + state->calibrate = CAPTRIM_CAL; /* captrim serach now */ + } - if (adc < state->adc_diff) { - dprintk("FE %d CAPTRIM=%d is closer to target (%d/%d)", (u32) fe->id, (u32) state->captrim, (u32) adc, (u32) state->adc_diff); - state->adc_diff = adc; - state->fcaptrim = state->captrim; + else if (*tune_state == CT_TUNER_STEP_0) { /* Warning : because of captrim cal, if you change this step, change it also in _cal.c file because it is the step following captrim cal state machine */ + const struct dib0090_wbd_slope *wbd = state->current_wbd_table; - } +// if(!state->identity.p1g) { + while (state->current_rf / 1000 > wbd->max_freq) + wbd++; +// } - state->captrim += step_sign * state->step; - if (state->step >= 1) - *tune_state = CT_TUNER_STEP_1; - else - *tune_state = CT_TUNER_STEP_3; + dib0090_write_reg(state, 0x1e, 0x07ff); + dprintk("Final Captrim: %d", (u32) state->fcaptrim); + dprintk("HFDIV code: %d", (u32) pll->hfdiv_code); + dprintk("VCO = %d", (u32) pll->vco_band); + dprintk("VCOF in kHz: %d ((%d*%d) << 1))", (u32) ((pll->hfdiv * state->rf_request) * 2), (u32) pll->hfdiv, (u32) state->rf_request); + dprintk("REFDIV: %d, FREF: %d", (u32) 1, (u32) state->config->io.clock_khz); + dprintk("FBDIV: %d, Rest: %d", (u32) dib0090_read_reg(state, 0x15), (u32) dib0090_read_reg(state, 0x17)); + dprintk("Num: %d, Den: %d, SD: %d", (u32) dib0090_read_reg(state, 0x17), (u32) (dib0090_read_reg(state, 0x16) >> 8), + (u32) dib0090_read_reg(state, 0x1c) & 0x3); - ret = 15; - } else if (*tune_state == CT_TUNER_STEP_3) { - /*write the final cptrim config */ - dib0090_write_reg(state, 0x18, lo4 | state->fcaptrim); +#define WBD 0x781 /* 1 1 1 1 0000 0 0 1 */ + c = 4; + i = 3; //wbdmux_bias -#ifdef CONFIG_TUNER_DIB0090_CAPTRIM_MEMORY - state->memory[state->memory_index].cap = state->fcaptrim; -#endif + if (wbd->wbd_gain != 0) //&& !state->identity.p1g) + c = wbd->wbd_gain; - *tune_state = CT_TUNER_STEP_4; - } else if (*tune_state == CT_TUNER_STEP_4) { - dib0090_write_reg(state, 0x1e, 0x07ff); + //Store wideband mux register. + state->wbdmux = (c << 13) | (i << 11) | (WBD | (state->config->use_pwm_agc << 1)); + dib0090_write_reg(state, 0x10, state->wbdmux); - dprintk("FE %d Final Captrim: %d", (u32) fe->id, (u32) state->fcaptrim); - dprintk("FE %d HFDIV code: %d", (u32) fe->id, (u32) pll->hfdiv_code); - dprintk("FE %d VCO = %d", (u32) fe->id, (u32) pll->vco_band); - dprintk("FE %d VCOF in kHz: %d ((%d*%d) << 1))", (u32) fe->id, (u32) ((pll->hfdiv * rf) * 2), (u32) pll->hfdiv, (u32) rf); - dprintk("FE %d REFDIV: %d, FREF: %d", (u32) fe->id, (u32) 1, (u32) state->config->io.clock_khz); - dprintk("FE %d FBDIV: %d, Rest: %d", (u32) fe->id, (u32) dib0090_read_reg(state, 0x15), (u32) dib0090_read_reg(state, 0x17)); - dprintk("FE %d Num: %d, Den: %d, SD: %d", (u32) fe->id, (u32) dib0090_read_reg(state, 0x17), - (u32) (dib0090_read_reg(state, 0x16) >> 8), (u32) dib0090_read_reg(state, 0x1c) & 0x3); + if ((tune->tuner_enable == EN_CAB) && state->identity.p1g) { + dprintk("P1G : The cable band is selected and lna_tune = %d", tune->lna_tune); + dib0090_write_reg(state, 0x09, tune->lna_bias); + dib0090_write_reg(state, 0x0b, 0xb800 | (tune->lna_tune << 6) | (tune->switch_trim)); + } else + dib0090_write_reg(state, 0x09, (tune->lna_tune << 5) | tune->lna_bias); - c = 4; - i = 3; -#if defined(CONFIG_BAND_LBAND) || defined(CONFIG_BAND_SBAND) - if ((state->current_band == BAND_LBAND) || (state->current_band == BAND_SBAND)) { - c = 2; - i = 2; - } -#endif - dib0090_write_reg(state, 0x10, (c << 13) | (i << 11) | (WBD -#ifdef CONFIG_DIB0090_USE_PWM_AGC - | (state->config->use_pwm_agc << 1) -#endif - )); - dib0090_write_reg(state, 0x09, (tune->lna_tune << 5) | (tune->lna_bias << 0)); dib0090_write_reg(state, 0x0c, tune->v2i); dib0090_write_reg(state, 0x0d, tune->mix); dib0090_write_reg(state, 0x0e, tune->load); + *tune_state = CT_TUNER_STEP_1; - *tune_state = CT_TUNER_STEP_5; - } else if (*tune_state == CT_TUNER_STEP_5) { - + } else if (*tune_state == CT_TUNER_STEP_1) { /* initialize the lt gain register */ state->rf_lt_def = 0x7c00; - dib0090_write_reg(state, 0x0f, state->rf_lt_def); + // dib0090_write_reg(state, 0x0f, state->rf_lt_def); dib0090_set_bandwidth(state); state->tuner_is_tuned = 1; + +// if(!state->identity.p1g) + state->calibrate |= WBD_CAL; // TODO: only do the WBD calibration for new tune +// + state->calibrate |= TEMP_CAL; // Force the Temperature to be remesured at next TUNE. *tune_state = CT_TUNER_STOP; } else ret = FE_CALLBACK_TIME_NEVER; @@ -1440,6 +2363,7 @@ enum frontend_tune_state dib0090_get_tune_state(struct dvb_frontend *fe) return state->tune_state; } + EXPORT_SYMBOL(dib0090_get_tune_state); int dib0090_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state) @@ -1449,6 +2373,7 @@ int dib0090_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tun state->tune_state = tune_state; return 0; } + EXPORT_SYMBOL(dib0090_set_tune_state); static int dib0090_get_frequency(struct dvb_frontend *fe, u32 * frequency) @@ -1462,7 +2387,7 @@ static int dib0090_get_frequency(struct dvb_frontend *fe, u32 * frequency) static int dib0090_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *p) { struct dib0090_state *state = fe->tuner_priv; - uint32_t ret; + u32 ret; state->tune_state = CT_TUNER_START; @@ -1492,6 +2417,29 @@ static const struct dvb_tuner_ops dib0090_ops = { .get_frequency = dib0090_get_frequency, }; +static const struct dvb_tuner_ops dib0090_fw_ops = { + .info = { + .name = "DiBcom DiB0090", + .frequency_min = 45000000, + .frequency_max = 860000000, + .frequency_step = 1000, + }, + .release = dib0090_release, + + .init = NULL, + .sleep = NULL, + .set_params = NULL, + .get_frequency = NULL, +}; + +static const struct dib0090_wbd_slope dib0090_wbd_table_default[] = { + {470, 0, 250, 0, 100, 4}, + {860, 51, 866, 21, 375, 4}, + {1700, 0, 800, 0, 850, 4}, //LBAND Predefinition , to calibrate + {2900, 0, 250, 0, 100, 6}, //SBAND Predefinition , NOT tested Yet + {0xFFFF, 0, 0, 0, 0, 0}, +}; + struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config) { struct dib0090_state *st = kzalloc(sizeof(struct dib0090_state), GFP_KERNEL); @@ -1503,6 +2451,11 @@ struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapte st->fe = fe; fe->tuner_priv = st; + if (config->wbd == NULL) + st->current_wbd_table = dib0090_wbd_table_default; + else + st->current_wbd_table = config->wbd; + if (dib0090_reset(fe) != 0) goto free_mem; @@ -1515,8 +2468,35 @@ struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapte fe->tuner_priv = NULL; return NULL; } + EXPORT_SYMBOL(dib0090_register); +struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config) +{ + struct dib0090_fw_state *st = kzalloc(sizeof(struct dib0090_fw_state), GFP_KERNEL); + if (st == NULL) + return NULL; + + st->config = config; + st->i2c = i2c; + st->fe = fe; + fe->tuner_priv = st; + + if (dib0090_fw_reset_digital(fe, st->config) != 0) + goto free_mem; + + dprintk("DiB0090 FW: successfully identified"); + memcpy(&fe->ops.tuner_ops, &dib0090_fw_ops, sizeof(struct dvb_tuner_ops)); + + return fe; + free_mem: + kfree(st); + fe->tuner_priv = NULL; + return NULL; +} + +EXPORT_SYMBOL(dib0090_fw_register); + MODULE_AUTHOR("Patrick Boettcher "); MODULE_AUTHOR("Olivier Grenie "); MODULE_DESCRIPTION("Driver for the DiBcom 0090 base-band RF Tuner"); diff --git a/drivers/media/dvb/frontends/dib0090.h b/drivers/media/dvb/frontends/dib0090.h index aa7711e..13d8524 100644 --- a/drivers/media/dvb/frontends/dib0090.h +++ b/drivers/media/dvb/frontends/dib0090.h @@ -27,6 +27,21 @@ struct dib0090_io_config { u16 pll_int_loop_filt; }; +struct dib0090_wbd_slope { + u16 max_freq; /* for every frequency less than or equal to that field: this information is correct */ + u16 slope_cold; + u16 offset_cold; + u16 slope_hot; + u16 offset_hot; + u8 wbd_gain; +}; + +struct dib0090_low_if_offset_table { + int std; + u32 RF_freq; + s32 offset_khz; +}; + struct dib0090_config { struct dib0090_io_config io; int (*reset) (struct dvb_frontend *, int); @@ -47,10 +62,20 @@ struct dib0090_config { u16 wbd_cband_offset; u8 use_pwm_agc; u8 clkoutdrive; + + u8 ls_cfg_pad_drv; + u8 data_tx_drv; + + u8 in_soc; + const struct dib0090_low_if_offset_table *low_if; + u8 fref_clock_ratio; + u16 force_cband_input; + struct dib0090_wbd_slope *wbd; }; #if defined(CONFIG_DVB_TUNER_DIB0090) || (defined(CONFIG_DVB_TUNER_DIB0090_MODULE) && defined(MODULE)) extern struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config); +extern struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, const struct dib0090_config *config); extern void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast); extern void dib0090_pwm_gain_reset(struct dvb_frontend *fe); extern u16 dib0090_get_wbd_offset(struct dvb_frontend *tuner); @@ -65,6 +90,12 @@ static inline struct dvb_frontend *dib0090_register(struct dvb_frontend *fe, str return NULL; } +static inline struct dvb_frontend *dib0090_fw_register(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0090_config *config) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} + static inline void dib0090_dcc_freq(struct dvb_frontend *fe, u8 fast) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); -- 2.7.4