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@@ -26,19 +26,21 @@
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#define W83781D_SMBUS 0x10000
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#define W83781D_AS99127F 0x20000
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#define W83781D_VENDOR_ID ((dev->local & W83781D_AS99127F) ? 0x12C3 : 0x5CA3)
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#define W83781D_AS99127F_REV1 0x20000
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#define W83781D_AS99127F_REV2 0x40000
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#define W83781D_AS99127F 0x60000 /* special mask covering both _REV1 and _REV2 */
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#define W83781D_VENDOR_ID ((dev->local & W83781D_AS99127F_REV1) ? 0x12C3 : 0x5CA3)
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#define CLAMP(a, min, max) (((a) < (min)) ? (min) : (((a) > (max)) ? (max) : (a)))
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#define W83781D_RPM_TO_REG(r, d) CLAMP(1350000 / (r * d), 1, 255)
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#define W83781D_TEMP_TO_REG(t) ((t) * 8) << 5
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#define W83781D_TEMP_TO_REG(t) ((t) << 8)
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typedef struct {
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uint32_t local;
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hwm_values_t* values;
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uint8_t regs[64];
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uint8_t regs[256];
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uint8_t regs_bank1[6];
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uint8_t regs_bank2[6];
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uint8_t addr_register;
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@@ -151,27 +153,27 @@ w83781d_smbus_read_word_cmd(uint8_t addr, uint8_t cmd, void *priv)
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bank = 3;
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switch (cmd & 0x3) {
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case 0x0:
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case 0x0: /* temperature */
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rethi = w83781d_read(dev, 0x50, bank);
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retlo = w83781d_read(dev, 0x51, bank);
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break;
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case 0x1:
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case 0x1: /* configuration */
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rethi = retlo = w83781d_read(dev, 0x52, bank);
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break;
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case 0x2:
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case 0x2: /* Thyst */
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rethi = w83781d_read(dev, 0x53, bank);
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retlo = w83781d_read(dev, 0x54, bank);
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break;
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case 0x3:
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case 0x3: /* Tos */
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rethi = w83781d_read(dev, 0x55, bank);
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retlo = w83781d_read(dev, 0x56, bank);
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break;
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}
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return (retlo << 8) | rethi; /* byte-swapped for some reason */
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} else {
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rethi = retlo = w83781d_read(dev, cmd, bank);
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}
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return w83781d_read(dev, cmd, bank);
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return (retlo << 8) | rethi; /* byte-swapped for some reason */
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}
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@@ -190,12 +192,16 @@ w83781d_read(w83781d_t *dev, uint8_t reg, uint8_t bank)
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/* regular registers */
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if (reg == 0x4F) /* special case for two-byte vendor ID register */
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ret = dev->hbacs ? (W83781D_VENDOR_ID >> 8) : (W83781D_VENDOR_ID & 0xFF);
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else if (reg >= 0x60) /* read auto-increment value RAM registers from their non-auto-increment locations */
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else if (reg >= 0x60 && reg <= 0x7F) /* read auto-increment value RAM registers from their non-auto-increment locations */
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ret = dev->regs[reg - 0x40];
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else if (reg >= 0x80 && reg <= 0x92) /* AS99127F mirrors 00-12 to 80-92 */
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ret = dev->regs[reg - 0x80];
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else
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ret = dev->regs[reg - 0x20];
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ret = dev->regs[reg];
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}
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pclog("w83781d_read(%02x, %d) = %02x\n", reg, bank, ret);
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return ret;
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}
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@@ -256,18 +262,18 @@ w83781d_smbus_write_word_cmd(uint8_t addr, uint8_t cmd, uint16_t val, void *priv
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bank = 3;
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switch (cmd & 0x3) {
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case 0x0:
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case 0x0: /* temperature */
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w83781d_write(dev, 0x50, valhi, bank);
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w83781d_write(dev, 0x51, vallo, bank);
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break;
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case 0x1:
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case 0x1: /* configuration */
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w83781d_write(dev, 0x52, vallo, bank);
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break;
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case 0x2:
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case 0x2: /* Thyst */
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w83781d_write(dev, 0x53, valhi, bank);
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w83781d_write(dev, 0x54, vallo, bank);
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break;
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case 0x3:
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case 0x3: /* Tos */
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w83781d_write(dev, 0x55, valhi, bank);
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w83781d_write(dev, 0x56, vallo, bank);
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break;
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@@ -310,55 +316,59 @@ w83781d_write(w83781d_t *dev, uint8_t reg, uint8_t val, uint8_t bank)
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return 0;
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}
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if (reg >= 0x60) /* write auto-increment value RAM registers to their non-auto-increment locations */
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if (reg >= 0x60 && reg <= 0x7F) /* write auto-increment value RAM registers to their non-auto-increment locations */
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dev->regs[reg - 0x40] = val;
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else if (reg >= 0x80 && reg <= 0x92) /* AS99127F mirrors 00-12 to 80-92 */
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dev->regs[reg - 0x80] = val;
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else
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dev->regs[reg - 0x20] = val;
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dev->regs[reg] = val;
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switch (reg) {
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case 0x40:
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if (val >> 7) {
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/* INITIALIZATION bit set: reset all registers except main SMBus address */
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/* INITIALIZATION bit resets all registers except main SMBus address */
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w83781d_reset(dev, 1);
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}
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break;
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case 0x47:
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/* update FAN1/FAN2 values to match the new divisor */
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dev->regs[0x08] = W83781D_RPM_TO_REG(dev->values->fans[0], 1 << ((dev->regs[0x27] >> 4) & 0x3));
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dev->regs[0x09] = W83781D_RPM_TO_REG(dev->values->fans[1], 1 << ((dev->regs[0x27] >> 6) & 0x3));
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dev->regs[0x28] = W83781D_RPM_TO_REG(dev->values->fans[0], 1 << ((dev->regs[0x47] >> 4) & 0x3));
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dev->regs[0x29] = W83781D_RPM_TO_REG(dev->values->fans[1], 1 << ((dev->regs[0x47] >> 6) & 0x3));
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break;
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case 0x48:
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/* set main SMBus address */
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if (dev->local & W83781D_SMBUS) {
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dev->smbus_addr_main = (dev->regs[0x28] & 0x7F);
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dev->smbus_addr_main = (dev->regs[0x48] & 0x7F);
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remap = 1;
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}
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break;
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case 0x4A:
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/* set TEMP2 and TEMP3 SMBus addresses */
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if (dev->local & W83781D_SMBUS) {
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/* DIS_T2 and DIS_T3 bits can disable those interfaces */
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if ((dev->regs[0x2A] >> 3) & 0x1)
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/* DIS_T2 and DIS_T3 bits disable those interfaces */
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if ((dev->regs[0x4A] >> 3) & 0x1)
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dev->smbus_addr_temp2 = 0x00;
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else
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dev->smbus_addr_temp2 = 0x48 + (dev->regs[0x2A] & 0x7);
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if (dev->regs[0x2A] >> 7)
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dev->smbus_addr_temp2 = 0x48 + (dev->regs[0x4A] & 0x7);
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if (dev->regs[0x4A] >> 7)
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dev->smbus_addr_temp3 = 0x00;
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else
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dev->smbus_addr_temp3 = 0x48 + ((dev->regs[0x2A] >> 4) & 0x7);
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dev->smbus_addr_temp3 = 0x48 + ((dev->regs[0x4A] >> 4) & 0x7);
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remap = 1;
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}
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break;
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case 0x4B:
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/* update FAN3 value to match the new divisor */
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dev->regs[0x0A] = W83781D_RPM_TO_REG(dev->values->fans[2], 1 << ((dev->regs[0x2B] >> 6) & 0x3));
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dev->regs[0x2A] = W83781D_RPM_TO_REG(dev->values->fans[2], 1 << ((dev->regs[0x4B] >> 6) & 0x3));
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break;
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case 0x4E:
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dev->hbacs = (dev->regs[0x2E] & 0x80);
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dev->hbacs = (dev->regs[0x4E] & 0x80);
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/* FIXME: Winbond's datasheet does not specify how BANKSEL[0:2] work */
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if (dev->regs[0x2E] & 0x1)
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if (dev->regs[0x4E] & 0x1)
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dev->active_bank = 0;
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else if (dev->regs[0x2E] & 0x2)
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else if (dev->regs[0x4E] & 0x2)
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dev->active_bank = 1;
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else if (dev->regs[0x2E] & 0x4)
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else if (dev->regs[0x4E] & 0x4)
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dev->active_bank = 2;
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break;
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}
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@@ -373,41 +383,72 @@ w83781d_write(w83781d_t *dev, uint8_t reg, uint8_t val, uint8_t bank)
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static void
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w83781d_reset(w83781d_t *dev, uint8_t initialization)
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{
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memset(dev->regs, 0, 64);
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memset(dev->regs, 0, 256);
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memset(dev->regs + 0xC0, 0xFF, 32); /* C0-DF are 0xFF at least on the AS99127F */
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memset(dev->regs_bank1, 0, 6);
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memset(dev->regs_bank2, 0, 6);
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/* WARNING: Array elements are register - 0x20. */
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uint8_t i;
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for (i = 0; i <= 6; i++)
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dev->regs[i] = (dev->values->voltages[i] / 16);
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dev->regs[0x07] = dev->values->temperatures[0];
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dev->regs[0x20 + i] = (dev->values->voltages[i] >> 4);
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dev->regs[0x27] = dev->values->temperatures[0];
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for (i = 0; i <= 2; i++)
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dev->regs[0x08 + i] = W83781D_RPM_TO_REG(dev->values->fans[i], 2);
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dev->regs[0x20] = 0x01;
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dev->regs[0x26] = 0x40;
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dev->regs[0x27] = 0x50;
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dev->regs[0x28 + i] = W83781D_RPM_TO_REG(dev->values->fans[i], 2);
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dev->regs[0x40] = 0x01;
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dev->regs[0x46] = 0x40;
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dev->regs[0x47] = 0x50;
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if (dev->local & W83781D_SMBUS) {
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if (!initialization) /* don't reset main SMBus address if the reset was triggered by the INITIALIZATION bit */
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dev->smbus_addr_main = 0x2D;
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dev->regs[0x28] = dev->smbus_addr_main;
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dev->regs[0x2A] = 0x01;
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dev->smbus_addr_temp2 = 0x48 + (dev->regs[0x2A] & 0x7);
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dev->smbus_addr_temp3 = 0x48 + ((dev->regs[0x2A] >> 4) & 0x7);
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dev->regs[0x48] = dev->smbus_addr_main;
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dev->regs[0x4A] = 0x01;
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dev->smbus_addr_temp2 = 0x48 + (dev->regs[0x4A] & 0x7);
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dev->smbus_addr_temp3 = 0x48 + ((dev->regs[0x4A] >> 4) & 0x7);
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} else {
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dev->regs[0x28] = 0x00;
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dev->regs[0x2A] = 0x88;
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dev->regs[0x48] = 0x00;
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dev->regs[0x4A] = 0x88;
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dev->smbus_addr_temp2 = dev->smbus_addr_temp3 = 0x00;
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}
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dev->regs[0x29] = 0x02;
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dev->regs[0x2B] = 0x44;
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dev->regs[0x2C] = 0x01;
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dev->regs[0x2D] = 0x15;
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dev->regs[0x2E] = 0x80;
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dev->hbacs = (dev->regs[0x2E] & 0x80);
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dev->regs[0x2F] = W83781D_VENDOR_ID >> 8;
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dev->regs[0x37] = 0x80;
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dev->regs[0x38] = (dev->local & W83781D_AS99127F) ? 0x31 : 0x10;
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dev->regs[0x49] = 0x02;
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dev->regs[0x4B] = 0x44;
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dev->regs[0x4C] = 0x01;
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dev->regs[0x4D] = 0x15;
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dev->regs[0x4E] = 0x80;
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dev->hbacs = (dev->regs[0x4E] & 0x80);
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dev->regs[0x4F] = W83781D_VENDOR_ID >> 8;
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dev->regs[0x57] = 0x80;
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dev->regs[0x58] = (dev->local & W83781D_AS99127F) ? 0x31 : 0x10;
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/*
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* Initialize proprietary registers on the AS99127F. The BIOS accesses some
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* of these on boot through read_byte_cmd on the TEMP2 address, hanging on
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* POST code C1 if they're set to 0. There's no documentation on what these
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* are for. The following values were dumped from a live, initialized
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* AS99127F Rev. 2 on a P4B motherboard, and they seem to work well enough.
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*/
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if (dev->local & W83781D_AS99127F) {
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dev->regs[0x00] = 0xB8; /* might be connected to IN2 Low Limit in some way */
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dev->regs[0x01] = dev->regs[0x23]; /* appears to mirror IN3 */
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dev->regs[0x02] = dev->regs[0x20]; /* appears to mirror IN0 */
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dev->regs[0x03] = 0x60;
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dev->regs[0x04] = dev->regs[0x23]; /* appears to mirror IN3 */
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dev->regs[0x05] = dev->regs[0x22]; /* appears to mirror IN2 */
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dev->regs[0x07] = 0xCD;
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/* 0x08 appears to mirror IN3 Low Limit */
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dev->regs[0x09] = dev->regs[0x0F] = dev->regs[0x11] = 0xF8; /* three instances of */
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dev->regs[0x0A] = dev->regs[0x10] = dev->regs[0x12] = 0xA5; /* the same word */
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dev->regs[0x0B] = 0xAC;
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dev->regs[0x0C] = 0x8C;
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dev->regs[0x0D] = 0x68;
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dev->regs[0x0E] = 0x54;
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dev->regs[0x53] = dev->regs[0x54] = dev->regs[0x55] = 0xFF;
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|
|
dev->regs[0x59] = dev->regs[0x5A] = 0x8F;
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dev->regs[0x5C] = 0xE0;
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dev->regs[0x5D] = 0x48;
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dev->regs[0x5E] = 0xE2;
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|
|
dev->regs[0x5F] = 0x3F;
|
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|
|
}
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/* WARNING: Array elements are register - 0x50. */
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uint16_t temp;
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|
@@ -457,6 +498,9 @@ w83781d_init(const device_t *info)
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}
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|
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|
|
|
|
/*
|
|
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|
|
* Standard Winbond W83781D (or ASUS AS97127F) on ISA and SMBus.
|
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|
|
|
*/
|
|
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|
|
const device_t w83781d_device = {
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"Winbond W83781D Hardware Monitor",
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|
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DEVICE_ISA,
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|
@@ -468,14 +512,26 @@ const device_t w83781d_device = {
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|
|
/*
|
|
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|
|
* ASUS rebadged version of the W83781D.
|
|
|
|
|
* Some claim it's SMBus-only, yet the BIOS clearly reads most values over ISA,
|
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|
|
* except TEMP3 (CPU Temperature) which is read over SMBus.
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|
|
* ASUS AS99127F is a customized W83781D with no ISA interface (SMBus only),
|
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|
|
* added proprietary registers and different chip/vendor IDs.
|
|
|
|
|
*/
|
|
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|
|
const device_t as99127f_device = {
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|
|
"ASUS AS99127F Hardware Monitor",
|
|
|
|
|
"ASUS AS99127F Rev. 1 Hardware Monitor",
|
|
|
|
|
DEVICE_ISA,
|
|
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|
|
0x295 | W83781D_SMBUS | W83781D_AS99127F,
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|
|
W83781D_SMBUS | W83781D_AS99127F_REV1,
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|
|
w83781d_init, w83781d_close, NULL,
|
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|
|
|
NULL, NULL, NULL,
|
|
|
|
|
NULL
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Rev. 2 changes the vendor ID back to Winbond's.
|
|
|
|
|
*/
|
|
|
|
|
const device_t as99127f_rev2_device = {
|
|
|
|
|
"ASUS AS99127F Rev. 2 Hardware Monitor",
|
|
|
|
|
DEVICE_AT,
|
|
|
|
|
W83781D_SMBUS | W83781D_AS99127F_REV2,
|
|
|
|
|
w83781d_init, w83781d_close, NULL,
|
|
|
|
|
NULL, NULL, NULL,
|
|
|
|
|
NULL
|
|
|
|
|