From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-path: Received: from mail-pl1-f193.google.com ([209.85.214.193]:40593 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727242AbeITT3g (ORCPT ); Thu, 20 Sep 2018 15:29:36 -0400 Received: by mail-pl1-f193.google.com with SMTP id s17-v6so4380878plp.7 for ; Thu, 20 Sep 2018 06:46:02 -0700 (PDT) From: Guenter Roeck To: Hardware Monitoring Cc: Jean Delvare , Guenter Roeck Subject: [PATCH 12/13] hwmon: (nct6775) Add support for NCT6797D Date: Thu, 20 Sep 2018 06:45:40 -0700 Message-Id: <1537451141-27242-12-git-send-email-linux@roeck-us.net> In-Reply-To: <1537451141-27242-1-git-send-email-linux@roeck-us.net> References: <1537451141-27242-1-git-send-email-linux@roeck-us.net> Sender: linux-hwmon-owner@vger.kernel.org List-Id: linux-hwmon@vger.kernel.org Add support for NCT6797D. With the exception of fan/pwm configuration registers, it is mostly compatible with NCT6795D. Signed-off-by: Guenter Roeck --- drivers/hwmon/nct6775.c | 45 +++++++++++++++++++++++++++++++++++++++++---- 1 file changed, 41 insertions(+), 4 deletions(-) diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index 77255f7da974..9569acf80e18 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -42,6 +42,7 @@ * nct6793d 15 6 6 2+6 0xd120 0xc1 0x5ca3 * nct6795d 14 6 6 2+6 0xd350 0xc1 0x5ca3 * nct6796d 14 7 7 2+6 0xd420 0xc1 0x5ca3 + * nct6797d 14 7 7 2+6 0xd450 0xc1 0x5ca3 * * #temp lists the number of monitored temperature sources (first value) plus * the number of directly connectable temperature sensors (second value). @@ -69,7 +70,7 @@ #define USE_ALTERNATE enum kinds { nct6106, nct6775, nct6776, nct6779, nct6791, nct6792, nct6793, - nct6795, nct6796 }; + nct6795, nct6796, nct6797 }; /* used to set data->name = nct6775_device_names[data->sio_kind] */ static const char * const nct6775_device_names[] = { @@ -82,6 +83,7 @@ static const char * const nct6775_device_names[] = { "nct6793", "nct6795", "nct6796", + "nct6797", }; static const char * const nct6775_sio_names[] __initconst = { @@ -94,6 +96,7 @@ static const char * const nct6775_sio_names[] __initconst = { "NCT6793D", "NCT6795D", "NCT6796D", + "NCT6797D", }; static unsigned short force_id; @@ -129,6 +132,7 @@ MODULE_PARM_DESC(fan_debounce, "Enable debouncing for fan RPM signal"); #define SIO_NCT6793_ID 0xd120 #define SIO_NCT6795_ID 0xd350 #define SIO_NCT6796_ID 0xd420 +#define SIO_NCT6797_ID 0xd450 #define SIO_ID_MASK 0xFFF0 enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 }; @@ -504,7 +508,7 @@ static const s8 NCT6779_BEEP_BITS[] = { static const u16 NCT6779_REG_FAN[] = { 0x4c0, 0x4c2, 0x4c4, 0x4c6, 0x4c8, 0x4ca, 0x4ce }; static const u16 NCT6779_REG_FAN_PULSES[NUM_FAN] = { - 0x644, 0x645, 0x646, 0x647, 0x648, 0x649 }; + 0x644, 0x645, 0x646, 0x647, 0x648, 0x649, 0x64f }; static const u16 NCT6779_REG_CRITICAL_PWM_ENABLE[] = { 0x136, 0x236, 0x336, 0x836, 0x936, 0xa36, 0xb36 }; @@ -1288,6 +1292,7 @@ static bool is_word_sized(struct nct6775_data *data, u16 reg) case nct6793: case nct6795: case nct6796: + case nct6797: return reg == 0x150 || reg == 0x153 || reg == 0x155 || (reg & 0xfff0) == 0x4c0 || reg == 0x402 || @@ -1643,6 +1648,7 @@ static void nct6775_update_pwm_limits(struct device *dev) case nct6793: case nct6795: case nct6796: + case nct6797: reg = nct6775_read_value(data, data->REG_CRITICAL_PWM_ENABLE[i]); if (reg & data->CRITICAL_PWM_ENABLE_MASK) @@ -3077,6 +3083,7 @@ store_auto_pwm(struct device *dev, struct device_attribute *attr, case nct6793: case nct6795: case nct6796: + case nct6797: nct6775_write_value(data, data->REG_CRITICAL_PWM[nr], val); reg = nct6775_read_value(data, @@ -3496,7 +3503,11 @@ nct6775_check_fan_inputs(struct nct6775_data *data) fan3pin = !(cr24 & 0x80); pwm3pin = cr24 & 0x08; } else { - /* NCT6779D, NCT6791D, NCT6792D, NCT6793D, NCT6795D, NCT6796D */ + /* + * NCT6779D, NCT6791D, NCT6792D, NCT6793D, NCT6795D, NCT6796D, + * NCT6797D + */ + int cr1a = superio_inb(sioreg, 0x1a); int cr1b = superio_inb(sioreg, 0x1b); int cr1c = superio_inb(sioreg, 0x1c); int cr1d = superio_inb(sioreg, 0x1d); @@ -3505,6 +3516,7 @@ nct6775_check_fan_inputs(struct nct6775_data *data) int cr2d = superio_inb(sioreg, 0x2d); int cr2f = superio_inb(sioreg, 0x2f); bool dsw_en = cr2f & BIT(3); + bool ddr4_en = cr2f & BIT(4); int cre0; int creb; int cred; @@ -3577,6 +3589,23 @@ nct6775_check_fan_inputs(struct nct6775_data *data) pwm7pin = !(cr1d & (BIT(2) | BIT(3))); break; + case nct6797: + fan5pin |= !ddr4_en && (cr1b & BIT(5)); + fan5pin |= creb & BIT(5); + + fan6pin = cr2a & BIT(4); + fan6pin |= creb & BIT(3); + + fan7pin = cr1a & BIT(1); + + pwm5pin |= (creb & BIT(4)) && !(cr2a & BIT(0)); + pwm5pin |= !ddr4_en && (cr2d & BIT(7)); + + pwm6pin = creb & BIT(2); + pwm6pin |= cred & BIT(2); + + pwm7pin = cr1d & BIT(4); + break; default: /* NCT6779D */ break; } @@ -3954,8 +3983,10 @@ static int nct6775_probe(struct platform_device *pdev) case nct6793: case nct6795: case nct6796: + case nct6797: data->in_num = 15; - data->pwm_num = (data->kind == nct6796) ? 7 : 6; + data->pwm_num = (data->kind == nct6796 || + data->kind == nct6797) ? 7 : 6; data->auto_pwm_num = 4; data->has_fan_div = false; data->temp_fixed_num = 6; @@ -3989,6 +4020,7 @@ static int nct6775_probe(struct platform_device *pdev) data->virt_temp_mask = NCT6793_VIRT_TEMP_MASK; break; case nct6795: + case nct6797: data->temp_label = nct6795_temp_label; data->temp_mask = NCT6795_TEMP_MASK; data->virt_temp_mask = NCT6795_VIRT_TEMP_MASK; @@ -4267,6 +4299,7 @@ static int nct6775_probe(struct platform_device *pdev) case nct6793: case nct6795: case nct6796: + case nct6797: break; } @@ -4302,6 +4335,7 @@ static int nct6775_probe(struct platform_device *pdev) case nct6793: case nct6795: case nct6796: + case nct6797: tmp |= 0x7e; break; } @@ -4504,6 +4538,9 @@ static int __init nct6775_find(int sioaddr, struct nct6775_sio_data *sio_data) case SIO_NCT6796_ID: sio_data->kind = nct6796; break; + case SIO_NCT6797_ID: + sio_data->kind = nct6797; + break; default: if (val != 0xffff) pr_debug("unsupported chip ID: 0x%04x\n", val); -- 2.7.4