diff options
Diffstat (limited to 'drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c')
| -rw-r--r-- | drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c | 290 |
1 files changed, 269 insertions, 21 deletions
diff --git a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c index a8f3f4d3a4509d..a747baa2978498 100644 --- a/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c +++ b/drivers/usb/typec/tcpm/qcom/qcom_pmic_typec_port.c @@ -16,8 +16,147 @@ #include <linux/usb/tcpm.h> #include <linux/usb/typec_mux.h> #include <linux/workqueue.h> + +#include "qcom_pmic_typec.h" #include "qcom_pmic_typec_port.h" +#define TYPEC_SNK_STATUS_REG 0x06 +#define DETECTED_SNK_TYPE_MASK GENMASK(6, 0) +#define SNK_DAM_MASK GENMASK(6, 4) +#define SNK_DAM_500MA BIT(6) +#define SNK_DAM_1500MA BIT(5) +#define SNK_DAM_3000MA BIT(4) +#define SNK_RP_STD BIT(3) +#define SNK_RP_1P5 BIT(2) +#define SNK_RP_3P0 BIT(1) +#define SNK_RP_SHORT BIT(0) + +#define TYPEC_SRC_STATUS_REG 0x08 +#define DETECTED_SRC_TYPE_MASK GENMASK(4, 0) +#define SRC_HIGH_BATT BIT(5) +#define SRC_DEBUG_ACCESS BIT(4) +#define SRC_RD_OPEN BIT(3) +#define SRC_RD_RA_VCONN BIT(2) +#define SRC_RA_OPEN BIT(1) +#define AUDIO_ACCESS_RA_RA BIT(0) + +#define TYPEC_STATE_MACHINE_STATUS_REG 0x09 +#define TYPEC_ATTACH_DETACH_STATE BIT(5) + +#define TYPEC_SM_STATUS_REG 0x0A +#define TYPEC_SM_VBUS_VSAFE5V BIT(5) +#define TYPEC_SM_VBUS_VSAFE0V BIT(6) +#define TYPEC_SM_USBIN_LT_LV BIT(7) + +#define TYPEC_MISC_STATUS_REG 0x0B +#define TYPEC_WATER_DETECTION_STATUS BIT(7) +#define SNK_SRC_MODE BIT(6) +#define TYPEC_VBUS_DETECT BIT(5) +#define TYPEC_VBUS_ERROR_STATUS BIT(4) +#define TYPEC_DEBOUNCE_DONE BIT(3) +#define CC_ORIENTATION BIT(1) +#define CC_ATTACHED BIT(0) + +#define LEGACY_CABLE_STATUS_REG 0x0D +#define TYPEC_LEGACY_CABLE_STATUS BIT(1) +#define TYPEC_NONCOMP_LEGACY_CABLE_STATUS BIT(0) + +#define TYPEC_U_USB_STATUS_REG 0x0F +#define U_USB_GROUND_NOVBUS BIT(6) +#define U_USB_GROUND BIT(4) +#define U_USB_FMB1 BIT(3) +#define U_USB_FLOAT1 BIT(2) +#define U_USB_FMB2 BIT(1) +#define U_USB_FLOAT2 BIT(0) + +#define TYPEC_MODE_CFG_REG 0x44 +#define TYPEC_TRY_MODE_MASK GENMASK(4, 3) +#define EN_TRY_SNK BIT(4) +#define EN_TRY_SRC BIT(3) +#define TYPEC_POWER_ROLE_CMD_MASK GENMASK(2, 0) +#define EN_SRC_ONLY BIT(2) +#define EN_SNK_ONLY BIT(1) +#define TYPEC_DISABLE_CMD BIT(0) + +#define TYPEC_VCONN_CONTROL_REG 0x46 +#define VCONN_EN_ORIENTATION BIT(2) +#define VCONN_EN_VALUE BIT(1) +#define VCONN_EN_SRC BIT(0) + +#define TYPEC_CCOUT_CONTROL_REG 0x48 +#define TYPEC_CCOUT_BUFFER_EN BIT(2) +#define TYPEC_CCOUT_VALUE BIT(1) +#define TYPEC_CCOUT_SRC BIT(0) + +#define DEBUG_ACCESS_SRC_CFG_REG 0x4C +#define EN_UNORIENTED_DEBUG_ACCESS_SRC BIT(0) + +#define TYPE_C_CRUDE_SENSOR_CFG_REG 0x4e +#define EN_SRC_CRUDE_SENSOR BIT(1) +#define EN_SNK_CRUDE_SENSOR BIT(0) + +#define TYPEC_EXIT_STATE_CFG_REG 0x50 +#define BYPASS_VSAFE0V_DURING_ROLE_SWAP BIT(3) +#define SEL_SRC_UPPER_REF BIT(2) +#define USE_TPD_FOR_EXITING_ATTACHSRC BIT(1) +#define EXIT_SNK_BASED_ON_CC BIT(0) + +#define TYPEC_CURRSRC_CFG_REG 0x52 +#define TYPEC_SRC_RP_SEL_330UA BIT(1) +#define TYPEC_SRC_RP_SEL_180UA BIT(0) +#define TYPEC_SRC_RP_SEL_80UA 0 +#define TYPEC_SRC_RP_SEL_MASK GENMASK(1, 0) + +#define TYPEC_INTERRUPT_EN_CFG_1_REG 0x5E +#define TYPEC_LEGACY_CABLE_INT_EN BIT(7) +#define TYPEC_NONCOMPLIANT_LEGACY_CABLE_INT_EN BIT(6) +#define TYPEC_TRYSOURCE_DETECT_INT_EN BIT(5) +#define TYPEC_TRYSINK_DETECT_INT_EN BIT(4) +#define TYPEC_CCOUT_DETACH_INT_EN BIT(3) +#define TYPEC_CCOUT_ATTACH_INT_EN BIT(2) +#define TYPEC_VBUS_DEASSERT_INT_EN BIT(1) +#define TYPEC_VBUS_ASSERT_INT_EN BIT(0) + +#define TYPEC_INTERRUPT_EN_CFG_2_REG 0x60 +#define TYPEC_SRC_BATT_HPWR_INT_EN BIT(6) +#define MICRO_USB_STATE_CHANGE_INT_EN BIT(5) +#define TYPEC_STATE_MACHINE_CHANGE_INT_EN BIT(4) +#define TYPEC_DEBUG_ACCESS_DETECT_INT_EN BIT(3) +#define TYPEC_WATER_DETECTION_INT_EN BIT(2) +#define TYPEC_VBUS_ERROR_INT_EN BIT(1) +#define TYPEC_DEBOUNCE_DONE_INT_EN BIT(0) + +#define TYPEC_DEBOUNCE_OPTION_REG 0x62 +#define REDUCE_TCCDEBOUNCE_TO_2MS BIT(2) + +#define TYPE_C_SBU_CFG_REG 0x6A +#define SEL_SBU1_ISRC_VAL 0x04 +#define SEL_SBU2_ISRC_VAL 0x01 + +#define TYPEC_U_USB_CFG_REG 0x70 +#define EN_MICRO_USB_FACTORY_MODE BIT(1) +#define EN_MICRO_USB_MODE BIT(0) + +#define TYPEC_PMI632_U_USB_WATER_PROTECTION_CFG_REG 0x72 + +#define TYPEC_U_USB_WATER_PROTECTION_CFG_REG 0x73 +#define EN_MICRO_USB_WATER_PROTECTION BIT(4) +#define MICRO_USB_DETECTION_ON_TIME_CFG_MASK GENMASK(3, 2) +#define MICRO_USB_DETECTION_PERIOD_CFG_MASK GENMASK(1, 0) + +#define TYPEC_PMI632_MICRO_USB_MODE_REG 0x73 +#define MICRO_USB_MODE_ONLY BIT(0) + +/* Interrupt numbers */ +#define PMIC_TYPEC_OR_RID_IRQ 0x0 +#define PMIC_TYPEC_VPD_IRQ 0x1 +#define PMIC_TYPEC_CC_STATE_IRQ 0x2 +#define PMIC_TYPEC_VCONN_OC_IRQ 0x3 +#define PMIC_TYPEC_VBUS_IRQ 0x4 +#define PMIC_TYPEC_ATTACH_DETACH_IRQ 0x5 +#define PMIC_TYPEC_LEGACY_CABLE_IRQ 0x6 +#define PMIC_TYPEC_TRY_SNK_SRC_IRQ 0x7 + struct pmic_typec_port_irq_data { int virq; int irq; @@ -33,6 +172,8 @@ struct pmic_typec_port { struct pmic_typec_port_irq_data *irq_data; struct regulator *vdd_vbus; + bool vbus_enabled; + struct mutex vbus_lock; /* VBUS state serialization */ int cc; bool debouncing_cc; @@ -131,7 +272,7 @@ done: return IRQ_HANDLED; } -int qcom_pmic_typec_port_get_vbus(struct pmic_typec_port *pmic_typec_port) +static int qcom_pmic_typec_port_vbus_detect(struct pmic_typec_port *pmic_typec_port) { struct device *dev = pmic_typec_port->dev; unsigned int misc; @@ -148,7 +289,7 @@ int qcom_pmic_typec_port_get_vbus(struct pmic_typec_port *pmic_typec_port) return !!(misc & TYPEC_VBUS_DETECT); } -int qcom_pmic_typec_port_set_vbus(struct pmic_typec_port *pmic_typec_port, bool on) +static int qcom_pmic_typec_port_vbus_toggle(struct pmic_typec_port *pmic_typec_port, bool on) { u32 sm_stat; u32 val; @@ -179,10 +320,49 @@ int qcom_pmic_typec_port_set_vbus(struct pmic_typec_port *pmic_typec_port, bool return 0; } -int qcom_pmic_typec_port_get_cc(struct pmic_typec_port *pmic_typec_port, - enum typec_cc_status *cc1, - enum typec_cc_status *cc2) +static int qcom_pmic_typec_port_get_vbus(struct tcpc_dev *tcpc) +{ + struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc); + struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port; + int ret; + + mutex_lock(&pmic_typec_port->vbus_lock); + ret = pmic_typec_port->vbus_enabled || qcom_pmic_typec_port_vbus_detect(pmic_typec_port); + mutex_unlock(&pmic_typec_port->vbus_lock); + + return ret; +} + +static int qcom_pmic_typec_port_set_vbus(struct tcpc_dev *tcpc, bool on, bool sink) +{ + struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc); + struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port; + int ret = 0; + + mutex_lock(&pmic_typec_port->vbus_lock); + if (pmic_typec_port->vbus_enabled == on) + goto done; + + ret = qcom_pmic_typec_port_vbus_toggle(pmic_typec_port, on); + if (ret) + goto done; + + pmic_typec_port->vbus_enabled = on; + tcpm_vbus_change(tcpm->tcpm_port); + +done: + dev_dbg(tcpm->dev, "set_vbus set: %d result %d\n", on, ret); + mutex_unlock(&pmic_typec_port->vbus_lock); + + return ret; +} + +static int qcom_pmic_typec_port_get_cc(struct tcpc_dev *tcpc, + enum typec_cc_status *cc1, + enum typec_cc_status *cc2) { + struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc); + struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port; struct device *dev = pmic_typec_port->dev; unsigned int misc, val; bool attached; @@ -275,9 +455,11 @@ static void qcom_pmic_set_cc_debounce(struct pmic_typec_port *pmic_typec_port) msecs_to_jiffies(2)); } -int qcom_pmic_typec_port_set_cc(struct pmic_typec_port *pmic_typec_port, - enum typec_cc_status cc) +static int qcom_pmic_typec_port_set_cc(struct tcpc_dev *tcpc, + enum typec_cc_status cc) { + struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc); + struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port; struct device *dev = pmic_typec_port->dev; unsigned int mode, currsrc; unsigned int misc; @@ -341,8 +523,17 @@ done: return ret; } -int qcom_pmic_typec_port_set_vconn(struct pmic_typec_port *pmic_typec_port, bool on) +static int qcom_pmic_typec_port_set_polarity(struct tcpc_dev *tcpc, + enum typec_cc_polarity pol) +{ + /* Polarity is set separately by phy-qcom-qmp.c */ + return 0; +} + +static int qcom_pmic_typec_port_set_vconn(struct tcpc_dev *tcpc, bool on) { + struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc); + struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port; struct device *dev = pmic_typec_port->dev; unsigned int orientation, misc, mask, value; unsigned long flags; @@ -377,10 +568,12 @@ done: return ret; } -int qcom_pmic_typec_port_start_toggling(struct pmic_typec_port *pmic_typec_port, - enum typec_port_type port_type, - enum typec_cc_status cc) +static int qcom_pmic_typec_port_start_toggling(struct tcpc_dev *tcpc, + enum typec_port_type port_type, + enum typec_cc_status cc) { + struct pmic_typec *tcpm = tcpc_to_tcpm(tcpc); + struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port; struct device *dev = pmic_typec_port->dev; unsigned int misc; u8 mode = 0; @@ -441,9 +634,10 @@ done: (TYPEC_STATE_MACHINE_CHANGE_INT_EN | TYPEC_VBUS_ERROR_INT_EN | \ TYPEC_DEBOUNCE_DONE_INT_EN) -int qcom_pmic_typec_port_start(struct pmic_typec_port *pmic_typec_port, - struct tcpm_port *tcpm_port) +static int qcom_pmic_typec_port_start(struct pmic_typec *tcpm, + struct tcpm_port *tcpm_port) { + struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port; int i; int mask; int ret; @@ -491,29 +685,30 @@ done: return ret; } -void qcom_pmic_typec_port_stop(struct pmic_typec_port *pmic_typec_port) +static void qcom_pmic_typec_port_stop(struct pmic_typec *tcpm) { + struct pmic_typec_port *pmic_typec_port = tcpm->pmic_typec_port; int i; for (i = 0; i < pmic_typec_port->nr_irqs; i++) disable_irq(pmic_typec_port->irq_data[i].irq); } -struct pmic_typec_port *qcom_pmic_typec_port_alloc(struct device *dev) -{ - return devm_kzalloc(dev, sizeof(struct pmic_typec_port), GFP_KERNEL); -} - int qcom_pmic_typec_port_probe(struct platform_device *pdev, - struct pmic_typec_port *pmic_typec_port, - struct pmic_typec_port_resources *res, + struct pmic_typec *tcpm, + const struct pmic_typec_port_resources *res, struct regmap *regmap, u32 base) { struct device *dev = &pdev->dev; struct pmic_typec_port_irq_data *irq_data; + struct pmic_typec_port *pmic_typec_port; int i, ret, irq; + pmic_typec_port = devm_kzalloc(dev, sizeof(*pmic_typec_port), GFP_KERNEL); + if (!pmic_typec_port) + return -ENOMEM; + if (!res->nr_irqs || res->nr_irqs > PMIC_TYPEC_MAX_IRQS) return -EINVAL; @@ -522,6 +717,8 @@ int qcom_pmic_typec_port_probe(struct platform_device *pdev, if (!irq_data) return -ENOMEM; + mutex_init(&pmic_typec_port->vbus_lock); + pmic_typec_port->vdd_vbus = devm_regulator_get(dev, "vdd-vbus"); if (IS_ERR(pmic_typec_port->vdd_vbus)) return PTR_ERR(pmic_typec_port->vdd_vbus); @@ -556,5 +753,56 @@ int qcom_pmic_typec_port_probe(struct platform_device *pdev, return ret; } + tcpm->pmic_typec_port = pmic_typec_port; + + tcpm->tcpc.get_vbus = qcom_pmic_typec_port_get_vbus; + tcpm->tcpc.set_vbus = qcom_pmic_typec_port_set_vbus; + tcpm->tcpc.set_cc = qcom_pmic_typec_port_set_cc; + tcpm->tcpc.get_cc = qcom_pmic_typec_port_get_cc; + tcpm->tcpc.set_polarity = qcom_pmic_typec_port_set_polarity; + tcpm->tcpc.set_vconn = qcom_pmic_typec_port_set_vconn; + tcpm->tcpc.start_toggling = qcom_pmic_typec_port_start_toggling; + + tcpm->port_start = qcom_pmic_typec_port_start; + tcpm->port_stop = qcom_pmic_typec_port_stop; + return 0; } + +const struct pmic_typec_port_resources pm8150b_port_res = { + .irq_params = { + { + .irq_name = "vpd-detect", + .virq = PMIC_TYPEC_VPD_IRQ, + }, + + { + .irq_name = "cc-state-change", + .virq = PMIC_TYPEC_CC_STATE_IRQ, + }, + { + .irq_name = "vconn-oc", + .virq = PMIC_TYPEC_VCONN_OC_IRQ, + }, + + { + .irq_name = "vbus-change", + .virq = PMIC_TYPEC_VBUS_IRQ, + }, + + { + .irq_name = "attach-detach", + .virq = PMIC_TYPEC_ATTACH_DETACH_IRQ, + }, + { + .irq_name = "legacy-cable-detect", + .virq = PMIC_TYPEC_LEGACY_CABLE_IRQ, + }, + + { + .irq_name = "try-snk-src-detect", + .virq = PMIC_TYPEC_TRY_SNK_SRC_IRQ, + }, + }, + .nr_irqs = 7, +}; |