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hwmon: (k10temp) Create common functions and macros for Zen CPU families 

Many SMN thermal registers in Zen CPU families are common across different
generations. For long-term code maintenance, it is better to rename these
macro and function names to Zen.

Signed-off-by: Wei Huang <wei.huang2@amd.com>
Link: https://lore.kernel.org/r/20200827054242.2347-1-wei.huang2@amd.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Wei Huang 2020-08-27 00:42:41 -05:00 коммит произвёл Guenter Roeck
Родитель 0ef0f755b3
Коммит 1782241704
1 изменённых файлов: 29 добавлений и 27 удалений
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56
drivers/hwmon/k10temp.c
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@ -73,22 +73,24 @@ static DEFINE_MUTEX(nb_smu_ind_mutex);
#define F15H_M60H_HARDWARE_TEMP_CTRL_OFFSET 0xd8200c64 #define F15H_M60H_HARDWARE_TEMP_CTRL_OFFSET 0xd8200c64
#define F15H_M60H_REPORTED_TEMP_CTRL_OFFSET 0xd8200ca4 #define F15H_M60H_REPORTED_TEMP_CTRL_OFFSET 0xd8200ca4
/* F17h M01h Access througn SMN */ /* Common for Zen CPU families (Family 17h and 18h) */
#define F17H_M01H_REPORTED_TEMP_CTRL_OFFSET 0x00059800 #define ZEN_REPORTED_TEMP_CTRL_OFFSET 0x00059800
#define F17H_M70H_CCD_TEMP(x) (0x00059954 + ((x) * 4)) #define ZEN_CCD_TEMP(x) (0x00059954 + ((x) * 4))
#define F17H_M70H_CCD_TEMP_VALID BIT(11) #define ZEN_CCD_TEMP_VALID BIT(11)
#define F17H_M70H_CCD_TEMP_MASK GENMASK(10, 0) #define ZEN_CCD_TEMP_MASK GENMASK(10, 0)
#define F17H_M01H_SVI 0x0005A000 #define ZEN_CUR_TEMP_SHIFT 21
#define F17H_M01H_SVI_TEL_PLANE0 (F17H_M01H_SVI + 0xc) #define ZEN_CUR_TEMP_RANGE_SEL_MASK BIT(19)
#define F17H_M01H_SVI_TEL_PLANE1 (F17H_M01H_SVI + 0x10)
#define CUR_TEMP_SHIFT 21 #define ZEN_SVI_BASE 0x0005A000
#define CUR_TEMP_RANGE_SEL_MASK BIT(19)
#define CFACTOR_ICORE 1000000 /* 1A / LSB */ /* F17h thermal registers through SMN */
#define CFACTOR_ISOC 250000 /* 0.25A / LSB */ #define F17H_M01H_SVI_TEL_PLANE0 (ZEN_SVI_BASE + 0xc)
#define F17H_M01H_SVI_TEL_PLANE1 (ZEN_SVI_BASE + 0x10)
#define F17H_CFACTOR_ICORE 1000000 /* 1A / LSB */
#define F17H_CFACTOR_ISOC 250000 /* 0.25A / LSB */
struct k10temp_data { struct k10temp_data {
struct pci_dev *pdev; struct pci_dev *pdev;
@ -168,10 +170,10 @@ static void read_tempreg_nb_f15(struct pci_dev *pdev, u32 *regval)
F15H_M60H_REPORTED_TEMP_CTRL_OFFSET, regval); F15H_M60H_REPORTED_TEMP_CTRL_OFFSET, regval);
} }
static void read_tempreg_nb_f17(struct pci_dev *pdev, u32 *regval) static void read_tempreg_nb_zen(struct pci_dev *pdev, u32 *regval)
{ {
amd_smn_read(amd_pci_dev_to_node_id(pdev), amd_smn_read(amd_pci_dev_to_node_id(pdev),
F17H_M01H_REPORTED_TEMP_CTRL_OFFSET, regval); ZEN_REPORTED_TEMP_CTRL_OFFSET, regval);
} }
static long get_raw_temp(struct k10temp_data *data) static long get_raw_temp(struct k10temp_data *data)
@ -180,7 +182,7 @@ static long get_raw_temp(struct k10temp_data *data)
long temp; long temp;
data->read_tempreg(data->pdev, &regval); data->read_tempreg(data->pdev, &regval);
temp = (regval >> CUR_TEMP_SHIFT) * 125; temp = (regval >> ZEN_CUR_TEMP_SHIFT) * 125;
if (regval & data->temp_adjust_mask) if (regval & data->temp_adjust_mask)
temp -= 49000; temp -= 49000;
return temp; return temp;
@ -288,8 +290,8 @@ static int k10temp_read_temp(struct device *dev, u32 attr, int channel,
break; break;
case 2 ... 9: /* Tccd{1-8} */ case 2 ... 9: /* Tccd{1-8} */
amd_smn_read(amd_pci_dev_to_node_id(data->pdev), amd_smn_read(amd_pci_dev_to_node_id(data->pdev),
F17H_M70H_CCD_TEMP(channel - 2), &regval); ZEN_CCD_TEMP(channel - 2), &regval);
*val = (regval & F17H_M70H_CCD_TEMP_MASK) * 125 - 49000; *val = (regval & ZEN_CCD_TEMP_MASK) * 125 - 49000;
break; break;
default: default:
return -EOPNOTSUPP; return -EOPNOTSUPP;
@ -438,7 +440,7 @@ static int svi_show(struct seq_file *s, void *unused)
{ {
struct k10temp_data *data = s->private; struct k10temp_data *data = s->private;
k10temp_smn_regs_show(s, data->pdev, F17H_M01H_SVI, 32); k10temp_smn_regs_show(s, data->pdev, ZEN_SVI_BASE, 32);
return 0; return 0;
} }
DEFINE_SHOW_ATTRIBUTE(svi); DEFINE_SHOW_ATTRIBUTE(svi);
@ -448,7 +450,7 @@ static int thm_show(struct seq_file *s, void *unused)
struct k10temp_data *data = s->private; struct k10temp_data *data = s->private;
k10temp_smn_regs_show(s, data->pdev, k10temp_smn_regs_show(s, data->pdev,
F17H_M01H_REPORTED_TEMP_CTRL_OFFSET, 256); ZEN_REPORTED_TEMP_CTRL_OFFSET, 256);
return 0; return 0;
} }
DEFINE_SHOW_ATTRIBUTE(thm); DEFINE_SHOW_ATTRIBUTE(thm);
@ -528,8 +530,8 @@ static void k10temp_get_ccd_support(struct pci_dev *pdev,
for (i = 0; i < limit; i++) { for (i = 0; i < limit; i++) {
amd_smn_read(amd_pci_dev_to_node_id(pdev), amd_smn_read(amd_pci_dev_to_node_id(pdev),
F17H_M70H_CCD_TEMP(i), &regval); ZEN_CCD_TEMP(i), &regval);
if (regval & F17H_M70H_CCD_TEMP_VALID) if (regval & ZEN_CCD_TEMP_VALID)
data->show_temp |= BIT(TCCD_BIT(i)); data->show_temp |= BIT(TCCD_BIT(i));
} }
} }
@ -565,8 +567,8 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
data->read_htcreg = read_htcreg_nb_f15; data->read_htcreg = read_htcreg_nb_f15;
data->read_tempreg = read_tempreg_nb_f15; data->read_tempreg = read_tempreg_nb_f15;
} else if (boot_cpu_data.x86 == 0x17 || boot_cpu_data.x86 == 0x18) { } else if (boot_cpu_data.x86 == 0x17 || boot_cpu_data.x86 == 0x18) {
data->temp_adjust_mask = CUR_TEMP_RANGE_SEL_MASK; data->temp_adjust_mask = ZEN_CUR_TEMP_RANGE_SEL_MASK;
data->read_tempreg = read_tempreg_nb_f17; data->read_tempreg = read_tempreg_nb_zen;
data->show_temp |= BIT(TDIE_BIT); /* show Tdie */ data->show_temp |= BIT(TDIE_BIT); /* show Tdie */
data->is_zen = true; data->is_zen = true;
@ -578,15 +580,15 @@ static int k10temp_probe(struct pci_dev *pdev, const struct pci_device_id *id)
data->show_current = !is_threadripper() && !is_epyc(); data->show_current = !is_threadripper() && !is_epyc();
data->svi_addr[0] = F17H_M01H_SVI_TEL_PLANE0; data->svi_addr[0] = F17H_M01H_SVI_TEL_PLANE0;
data->svi_addr[1] = F17H_M01H_SVI_TEL_PLANE1; data->svi_addr[1] = F17H_M01H_SVI_TEL_PLANE1;
data->cfactor[0] = CFACTOR_ICORE; data->cfactor[0] = F17H_CFACTOR_ICORE;
data->cfactor[1] = CFACTOR_ISOC; data->cfactor[1] = F17H_CFACTOR_ISOC;
k10temp_get_ccd_support(pdev, data, 4); k10temp_get_ccd_support(pdev, data, 4);
break; break;
case 0x31: /* Zen2 Threadripper */ case 0x31: /* Zen2 Threadripper */
case 0x71: /* Zen2 */ case 0x71: /* Zen2 */
data->show_current = !is_threadripper() && !is_epyc(); data->show_current = !is_threadripper() && !is_epyc();
data->cfactor[0] = CFACTOR_ICORE; data->cfactor[0] = F17H_CFACTOR_ICORE;
data->cfactor[1] = CFACTOR_ISOC; data->cfactor[1] = F17H_CFACTOR_ISOC;
data->svi_addr[0] = F17H_M01H_SVI_TEL_PLANE1; data->svi_addr[0] = F17H_M01H_SVI_TEL_PLANE1;
data->svi_addr[1] = F17H_M01H_SVI_TEL_PLANE0; data->svi_addr[1] = F17H_M01H_SVI_TEL_PLANE0;
k10temp_get_ccd_support(pdev, data, 8); k10temp_get_ccd_support(pdev, data, 8);