From a43ff911eae2147f21b22b5491fde1bf89caa822 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Sat, 17 Mar 2012 13:20:28 -0700 Subject: [PATCH] Add support for more temperatures Signed-off-by: Guenter Roeck --- nct6775.c | 93 +++++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 70 insertions(+), 23 deletions(-) diff --git a/nct6775.c b/nct6775.c index 6754b87..c00b53b 100644 --- a/nct6775.c +++ b/nct6775.c @@ -226,8 +226,6 @@ static const u16 NCT6779_REG_FAN[] = { 0x4c0, 0x4c2, 0x4c4, 0x4c6, 0x4c8 }; static const u16 NCT6775_REG_TEMP[] = { 0x27, 0x150, 0x250, 0x62b, 0x62c, 0x62d }; static const u16 NCT6779_REG_TEMP[] = { 0x27, 0x150 }; -static const u16 NCT6779_REG_TEMP_FIXED[] - = { 0x490, 0x491, 0x492, 0x493, 0x494, 0x495}; static const u16 NCT6775_REG_TEMP_CONFIG[] = { 0, 0x152, 0x252, 0x628, 0x629, 0x62A }; @@ -366,6 +364,17 @@ static const char *const nct6779_temp_label[] = { "BYTE_TEMP" }; +static const u16 NCT6775_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6779_temp_label)] + = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x661, 0x662, 0x664 }; + +static const u16 NCT6776_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6776_temp_label)] + = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x401, 0x402, 0x404 }; + +static const u16 NCT6779_REG_TEMP_ALTERNATE[ARRAY_SIZE(nct6779_temp_label)] + = { 0x490, 0x491, 0x492, 0x493, 0x494, 0x495, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0x401, 0x402, 0x404 }; + #define NUM_TEMP 10 /* Max number of temp attribute sets w/ limits*/ #define NUM_TEMP_FIXED 6 /* Max number of fixed temp attribute sets */ @@ -475,6 +484,7 @@ struct nct6775_data { u8 temp_src[NUM_TEMP]; u16 reg_temp_config[NUM_TEMP]; const char * const *temp_label; + int temp_label_num; u16 REG_CONFIG; u16 REG_VBAT; @@ -498,7 +508,7 @@ struct nct6775_data { */ const u16 *REG_PWM_READ; - const u16 *REG_TEMP_FIXED; + const u16 *REG_TEMP_ALTERNATE; const u16 *REG_TEMP_MON; const u16 *REG_AUTO_TEMP; const u16 *REG_AUTO_PWM; @@ -595,6 +605,16 @@ static bool is_word_sized(struct nct6775_data *data, u16 reg) { switch (data->kind) { case nct6775: + return (((reg & 0xff00) == 0x100 || + (reg & 0xff00) == 0x200) && + ((reg & 0x00ff) == 0x50 || + (reg & 0x00ff) == 0x53 || + (reg & 0x00ff) == 0x55)) || + (reg & 0xfff0) == 0x630 || + reg == 0x640 || reg == 0x642 || + reg == 0x662 || + ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || + reg == 0x73 || reg == 0x75 || reg == 0x77; case nct6776: return (((reg & 0xff00) == 0x100 || (reg & 0xff00) == 0x200) && @@ -602,12 +622,14 @@ static bool is_word_sized(struct nct6775_data *data, u16 reg) (reg & 0x00ff) == 0x53 || (reg & 0x00ff) == 0x55)) || (reg & 0xfff0) == 0x630 || + reg == 0x402 || reg == 0x640 || reg == 0x642 || ((reg & 0xfff0) == 0x650 && (reg & 0x000f) >= 0x06) || reg == 0x73 || reg == 0x75 || reg == 0x77; case nct6779: return reg == 0x150 || reg == 0x153 || reg == 0x155 || ((reg & 0xfff0) == 0x4c0 && (reg & 0x000f) < 0x09) || + reg == 0x402 || reg == 0x63a || reg == 0x63c || reg == 0x63e || reg == 0x640 || reg == 0x642 || reg == 0x73 || reg == 0x75 || reg == 0x77 || reg == 0x79 || @@ -1829,11 +1851,6 @@ store_pwm_temp_sel(struct device *dev, struct device_attribute *attr, unsigned long val; int err; int reg; - static const int max_src[] = { - ARRAY_SIZE(nct6775_temp_label) - 1, - ARRAY_SIZE(nct6776_temp_label) - 1, - ARRAY_SIZE(nct6779_temp_label) - 1 - }; err = kstrtoul(buf, 10, &val); if (err < 0) @@ -1841,7 +1858,7 @@ store_pwm_temp_sel(struct device *dev, struct device_attribute *attr, if (val == 0 || val > 0x1f) return -EINVAL; - val = SENSORS_LIMIT(val, 1, max_src[data->kind]); + val = SENSORS_LIMIT(val, 1, data->temp_label_num - 1); if (!strlen(data->temp_label[val])) return -EINVAL; @@ -3049,6 +3066,9 @@ static int __devinit nct6775_probe(struct platform_device *pdev) data->fan_from_reg = fan_from_reg16; data->fan_from_reg_min = fan_from_reg8; + data->temp_label = nct6775_temp_label; + data->temp_label_num = ARRAY_SIZE(nct6775_temp_label); + data->REG_CONFIG = NCT6775_REG_CONFIG; data->REG_VBAT = NCT6775_REG_VBAT; data->REG_DIODE = NCT6775_REG_DIODE; @@ -3071,6 +3091,7 @@ static int __devinit nct6775_probe(struct platform_device *pdev) data->REG_PWM_READ = NCT6775_REG_PWM_READ; data->REG_PWM_MODE = NCT6775_REG_PWM_MODE; data->PWM_MODE_MASK = NCT6775_PWM_MODE_MASK; + data->REG_TEMP_ALTERNATE = NCT6775_REG_TEMP_ALTERNATE; data->REG_TEMP_MON = NCT6775_REG_TEMP_MON; data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; @@ -3105,6 +3126,9 @@ static int __devinit nct6775_probe(struct platform_device *pdev) data->fan_from_reg = fan_from_reg13; data->fan_from_reg_min = fan_from_reg13; + data->temp_label = nct6776_temp_label; + data->temp_label_num = ARRAY_SIZE(nct6776_temp_label); + data->REG_CONFIG = NCT6775_REG_CONFIG; data->REG_VBAT = NCT6775_REG_VBAT; data->REG_DIODE = NCT6775_REG_DIODE; @@ -3126,6 +3150,7 @@ static int __devinit nct6775_probe(struct platform_device *pdev) data->REG_PWM_READ = NCT6775_REG_PWM_READ; data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; + data->REG_TEMP_ALTERNATE = NCT6776_REG_TEMP_ALTERNATE; data->REG_TEMP_MON = NCT6775_REG_TEMP_MON; data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; @@ -3160,6 +3185,9 @@ static int __devinit nct6775_probe(struct platform_device *pdev) data->fan_from_reg = fan_from_reg13; data->fan_from_reg_min = fan_from_reg13; + data->temp_label = nct6779_temp_label; + data->temp_label_num = ARRAY_SIZE(nct6779_temp_label); + data->REG_CONFIG = NCT6775_REG_CONFIG; data->REG_VBAT = NCT6775_REG_VBAT; data->REG_DIODE = NCT6775_REG_DIODE; @@ -3181,7 +3209,7 @@ static int __devinit nct6775_probe(struct platform_device *pdev) data->REG_PWM_READ = NCT6775_REG_PWM_READ; data->REG_PWM_MODE = NCT6776_REG_PWM_MODE; data->PWM_MODE_MASK = NCT6776_PWM_MODE_MASK; - data->REG_TEMP_FIXED = NCT6779_REG_TEMP_FIXED; + data->REG_TEMP_ALTERNATE = NCT6779_REG_TEMP_ALTERNATE; data->REG_TEMP_MON = NCT6775_REG_TEMP_MON; data->REG_AUTO_TEMP = NCT6775_REG_AUTO_TEMP; data->REG_AUTO_PWM = NCT6775_REG_AUTO_PWM; @@ -3272,11 +3300,12 @@ static int __devinit nct6775_probe(struct platform_device *pdev) if (!src || (mask & (1 << src))) continue; + mask |= 1 << src; + /* Use fixed index for SYSTIN(1), CPUTIN(2), AUXTIN(3) */ if (src <= data->temp_fixed_num) { data->have_temp |= 1 << (src - 1); data->have_temp_fixed |= 1 << (src - 1); - mask |= 1 << src; data->reg_temp[0][src - 1] = reg_temp[i]; data->reg_temp[1][src - 1] = reg_temp_over[i]; data->reg_temp[2][src - 1] = reg_temp_hyst[i]; @@ -3290,8 +3319,6 @@ static int __devinit nct6775_probe(struct platform_device *pdev) /* Use dynamic index for other sources */ data->have_temp |= 1 << s; - mask |= 1 << src; - data->reg_temp[0][s] = reg_temp[i]; data->reg_temp[1][s] = reg_temp_over[i]; data->reg_temp[2][s] = reg_temp_hyst[i]; @@ -3301,21 +3328,43 @@ static int __devinit nct6775_probe(struct platform_device *pdev) s++; } - if (data->REG_TEMP_FIXED) { - for (i = 0; i < NUM_TEMP_FIXED; i++) { - if (data->have_temp & (1 << i)) + /* + * We may have alternate registers for some sensors. + * Go through the list and enable if possible. + * The temperature is already monitored if the respective bit in + * is set. + */ + if (data->REG_TEMP_ALTERNATE) { + for (i = 0; i < data->temp_label_num; i++) { + if (!data->REG_TEMP_ALTERNATE[i]) + continue; + pr_info("Alternate index %d reg 0x%x source %s mask 0x%x have 0x%x s %d\n", + i, data->REG_TEMP_ALTERNATE[i], + data->temp_label[i + 1], mask, + data->have_temp, s); + if (mask & (1 << (i + 1))) continue; - if (!data->REG_TEMP_FIXED[i]) + if (i < data->temp_fixed_num) { + if (data->have_temp & (1 << i)) + continue; + data->have_temp |= 1 << i; + data->reg_temp[0][i] = data->REG_TEMP_ALTERNATE[i]; + data->temp_src[i] = i + 1; continue; - data->have_temp |= 1 << i; - data->reg_temp[0][i] = data->REG_TEMP_FIXED[i]; - data->temp_src[i] = i + 1; + } + + if (s >= NUM_TEMP) /* Abort if no more space */ + break; + + data->have_temp |= 1 << s; + data->reg_temp[0][s] = data->REG_TEMP_ALTERNATE[i]; + data->temp_src[s] = i + 1; + s++; } } switch (data->kind) { case nct6775: - data->temp_label = nct6775_temp_label; break; case nct6776: /* @@ -3335,7 +3384,6 @@ static int __devinit nct6775_probe(struct platform_device *pdev) else data->have_in &= ~(1 << 6); } - data->temp_label = nct6776_temp_label; break; case nct6779: /* @@ -3359,7 +3407,6 @@ static int __devinit nct6775_probe(struct platform_device *pdev) if (i == 5) /* AUXTIN3 */ data->have_in &= ~(1 << 14); /* no VIN7 */ } - data->temp_label = nct6779_temp_label; break; } -- 2.39.5