Author: ganbold Date: Sun Feb 10 08:41:52 2019 New Revision: 343952 URL: https://svnweb.freebsd.org/changeset/base/343952
Log: Enable necessary bits when activating interrupts. This allows reading some events from the interrupt status registers. These events are reported to devd via system "PMU" and subsystem "Battery", "AC" and "USB" such as plugged/unplugged, absent, charged and charging. Reviewed by: manu Differential Revision: https://reviews.freebsd.org/D19116 Modified: head/sys/arm/allwinner/axp81x.c Modified: head/sys/arm/allwinner/axp81x.c ============================================================================== --- head/sys/arm/allwinner/axp81x.c Sun Feb 10 08:28:56 2019 (r343951) +++ head/sys/arm/allwinner/axp81x.c Sun Feb 10 08:41:52 2019 (r343952) @@ -65,9 +65,13 @@ MALLOC_DEFINE(M_AXP8XX_REG, "AXP8xx regulator", "AXP8x #define AXP_POWERSRC_ACIN (1 << 7) #define AXP_POWERSRC_VBUS (1 << 5) #define AXP_POWERSRC_VBAT (1 << 3) -#define AXP_POWERSRC_CHARING (1 << 2) +#define AXP_POWERSRC_CHARING (1 << 2) /* Charging Direction */ #define AXP_POWERSRC_SHORTED (1 << 1) #define AXP_POWERSRC_STARTUP (1 << 0) +#define AXP_POWERMODE 0x01 +#define AXP_POWERMODE_BAT_CHARGING (1 << 6) +#define AXP_POWERMODE_BAT_PRESENT (1 << 5) +#define AXP_POWERMODE_BAT_VALID (1 << 4) #define AXP_ICTYPE 0x03 #define AXP_POWERCTL1 0x10 #define AXP_POWERCTL1_DCDC7 (1 << 6) /* AXP813/818 only */ @@ -117,14 +121,47 @@ MALLOC_DEFINE(M_AXP8XX_REG, "AXP8xx regulator", "AXP8x #define AXP_POWERBAT 0x32 #define AXP_POWERBAT_SHUTDOWN (1 << 7) #define AXP_IRQEN1 0x40 +#define AXP_IRQEN1_ACIN_HI (1 << 6) +#define AXP_IRQEN1_ACIN_LO (1 << 5) +#define AXP_IRQEN1_VBUS_HI (1 << 3) +#define AXP_IRQEN1_VBUS_LO (1 << 2) #define AXP_IRQEN2 0x41 +#define AXP_IRQEN2_BAT_IN (1 << 7) +#define AXP_IRQEN2_BAT_NO (1 << 6) +#define AXP_IRQEN2_BATCHGC (1 << 3) +#define AXP_IRQEN2_BATCHGD (1 << 2) #define AXP_IRQEN3 0x42 #define AXP_IRQEN4 0x43 +#define AXP_IRQEN4_BATLVL_LO1 (1 << 1) +#define AXP_IRQEN4_BATLVL_LO0 (1 << 0) #define AXP_IRQEN5 0x44 #define AXP_IRQEN5_POKSIRQ (1 << 4) +#define AXP_IRQEN5_POKLIRQ (1 << 3) #define AXP_IRQEN6 0x45 +#define AXP_IRQSTAT1 0x48 +#define AXP_IRQSTAT1_ACIN_HI (1 << 6) +#define AXP_IRQSTAT1_ACIN_LO (1 << 5) +#define AXP_IRQSTAT1_VBUS_HI (1 << 3) +#define AXP_IRQSTAT1_VBUS_LO (1 << 2) +#define AXP_IRQSTAT2 0x49 +#define AXP_IRQSTAT2_BAT_IN (1 << 7) +#define AXP_IRQSTAT2_BAT_NO (1 << 6) +#define AXP_IRQSTAT2_BATCHGC (1 << 3) +#define AXP_IRQSTAT2_BATCHGD (1 << 2) +#define AXP_IRQSTAT3 0x4a +#define AXP_IRQSTAT4 0x4b +#define AXP_IRQSTAT4_BATLVL_LO1 (1 << 1) +#define AXP_IRQSTAT4_BATLVL_LO0 (1 << 0) #define AXP_IRQSTAT5 0x4c #define AXP_IRQSTAT5_POKSIRQ (1 << 4) +#define AXP_IRQEN5_POKLIRQ (1 << 3) +#define AXP_IRQSTAT6 0x4d +#define AXP_BATSENSE_HI 0x78 +#define AXP_BATSENSE_LO 0x79 +#define AXP_BATCHG_HI 0x7a +#define AXP_BATCHG_LO 0x7b +#define AXP_BATDISCHG_HI 0x7c +#define AXP_BATDISCHG_LO 0x7d #define AXP_GPIO0_CTRL 0x90 #define AXP_GPIO0LDO_CTRL 0x91 #define AXP_GPIO1_CTRL 0x92 @@ -138,7 +175,25 @@ MALLOC_DEFINE(M_AXP8XX_REG, "AXP8xx regulator", "AXP8x #define AXP_GPIO_FUNC_LDO_OFF 4 #define AXP_GPIO_SIGBIT 0x94 #define AXP_GPIO_PD 0x97 +#define AXP_FUEL_GAUGECTL 0xb8 +#define AXP_FUEL_GAUGECTL_EN (1 << 7) +#define AXP_BAT_CAP 0xb9 +#define AXP_BAT_CAP_VALID (1 << 7) +#define AXP_BAT_CAP_PERCENT 0x7f + +#define AXP_BAT_MAX_CAP_HI 0xe0 +#define AXP_BAT_MAX_CAP_VALID (1 << 7) +#define AXP_BAT_MAX_CAP_LO 0xe1 + +#define AXP_BAT_COULOMB_HI 0xe2 +#define AXP_BAT_COULOMB_VALID (1 << 7) +#define AXP_BAT_COULOMB_LO 0xe3 + +#define AXP_BAT_CAP_WARN 0xe6 +#define AXP_BAT_CAP_WARN_LV1 0xf0 /* Bits 4, 5, 6, 7 */ +#define AXP_BAT_CAP_WARN_LV2 0xf /* Bits 0, 1, 2, 3 */ + static const struct { const char *name; uint8_t ctrl_reg; @@ -710,6 +765,68 @@ axp8xx_intr(void *arg) dev = arg; + error = axp8xx_read(dev, AXP_IRQSTAT1, &val, 1); + if (error != 0) + return; + + if (val) { + if (bootverbose) + device_printf(dev, "AXP_IRQSTAT1 val: %x\n", val); + if (val & AXP_IRQSTAT1_ACIN_HI) + devctl_notify("PMU", "AC", "plugged", NULL); + if (val & AXP_IRQSTAT1_ACIN_LO) + devctl_notify("PMU", "AC", "unplugged", NULL); + if (val & AXP_IRQSTAT1_VBUS_HI) + devctl_notify("PMU", "USB", "plugged", NULL); + if (val & AXP_IRQSTAT1_VBUS_LO) + devctl_notify("PMU", "USB", "unplugged", NULL); + /* Acknowledge */ + axp8xx_write(dev, AXP_IRQSTAT1, val); + } + + error = axp8xx_read(dev, AXP_IRQSTAT2, &val, 1); + if (error != 0) + return; + + if (val) { + if (bootverbose) + device_printf(dev, "AXP_IRQSTAT2 val: %x\n", val); + if (val & AXP_IRQSTAT2_BATCHGD) + devctl_notify("PMU", "Battery", "charged", NULL); + if (val & AXP_IRQSTAT2_BATCHGC) + devctl_notify("PMU", "Battery", "charging", NULL); + if (val & AXP_IRQSTAT2_BAT_NO) + devctl_notify("PMU", "Battery", "absent", NULL); + if (val & AXP_IRQSTAT2_BAT_IN) + devctl_notify("PMU", "Battery", "plugged", NULL); + /* Acknowledge */ + axp8xx_write(dev, AXP_IRQSTAT2, val); + } + + error = axp8xx_read(dev, AXP_IRQSTAT3, &val, 1); + if (error != 0) + return; + + if (val) { + /* Acknowledge */ + axp8xx_write(dev, AXP_IRQSTAT3, val); + } + + error = axp8xx_read(dev, AXP_IRQSTAT4, &val, 1); + if (error != 0) + return; + + if (val) { + if (bootverbose) + device_printf(dev, "AXP_IRQSTAT4 val: %x\n", val); + if (val & AXP_IRQSTAT4_BATLVL_LO0) + devctl_notify("PMU", "Battery", "lower than level 2", NULL); + if (val & AXP_IRQSTAT4_BATLVL_LO1) + devctl_notify("PMU", "Battery", "lower than level 1", NULL); + /* Acknowledge */ + axp8xx_write(dev, AXP_IRQSTAT4, val); + } + error = axp8xx_read(dev, AXP_IRQSTAT5, &val, 1); if (error != 0) return; @@ -723,6 +840,15 @@ axp8xx_intr(void *arg) /* Acknowledge */ axp8xx_write(dev, AXP_IRQSTAT5, val); } + + error = axp8xx_read(dev, AXP_IRQSTAT6, &val, 1); + if (error != 0) + return; + + if (val) { + /* Acknowledge */ + axp8xx_write(dev, AXP_IRQSTAT6, val); + } } static device_t @@ -1105,12 +1231,24 @@ axp8xx_attach(device_t dev) } } - /* Enable IRQ on short power key press */ - axp8xx_write(dev, AXP_IRQEN1, 0); - axp8xx_write(dev, AXP_IRQEN2, 0); + /* Enable interrupts */ + axp8xx_write(dev, AXP_IRQEN1, + AXP_IRQEN1_VBUS_LO | + AXP_IRQEN1_VBUS_HI | + AXP_IRQEN1_ACIN_LO | + AXP_IRQEN1_ACIN_HI); + axp8xx_write(dev, AXP_IRQEN2, + AXP_IRQEN2_BATCHGD | + AXP_IRQEN2_BATCHGC | + AXP_IRQEN2_BAT_NO | + AXP_IRQEN2_BAT_IN); axp8xx_write(dev, AXP_IRQEN3, 0); - axp8xx_write(dev, AXP_IRQEN4, 0); - axp8xx_write(dev, AXP_IRQEN5, AXP_IRQEN5_POKSIRQ); + axp8xx_write(dev, AXP_IRQEN4, + AXP_IRQEN4_BATLVL_LO0 | + AXP_IRQEN4_BATLVL_LO1); + axp8xx_write(dev, AXP_IRQEN5, + AXP_IRQEN5_POKSIRQ | + AXP_IRQEN5_POKLIRQ); axp8xx_write(dev, AXP_IRQEN6, 0); /* Install interrupt handler */ _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
