diff options
Diffstat (limited to 'drivers/media/platform/qcom/iris/iris_vpu_common.c')
| -rw-r--r-- | drivers/media/platform/qcom/iris/iris_vpu_common.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/iris/iris_vpu_common.c b/drivers/media/platform/qcom/iris/iris_vpu_common.c index 959ed46e8f47..34817573f61b 100644 --- a/drivers/media/platform/qcom/iris/iris_vpu_common.c +++ b/drivers/media/platform/qcom/iris/iris_vpu_common.c @@ -11,10 +11,15 @@ #define CPU_BASE_OFFS 0x000A0000 #define CPU_CS_BASE_OFFS (CPU_BASE_OFFS) +#define CPU_IC_BASE_OFFS (CPU_BASE_OFFS) + +#define CPU_CS_A2HSOFTINTCLR (CPU_CS_BASE_OFFS + 0x1C) +#define CLEAR_XTENSA2HOST_INTR BIT(0) #define CTRL_INIT (CPU_CS_BASE_OFFS + 0x48) #define CTRL_STATUS (CPU_CS_BASE_OFFS + 0x4C) +#define CTRL_INIT_IDLE_MSG_BMSK 0x40000000 #define CTRL_ERROR_STATUS__M 0xfe #define QTBL_INFO (CPU_CS_BASE_OFFS + 0x50) @@ -31,6 +36,14 @@ #define CPU_CS_X2RPMH (CPU_CS_BASE_OFFS + 0x168) +#define CPU_IC_SOFTINT (CPU_IC_BASE_OFFS + 0x150) +#define CPU_IC_SOFTINT_H2A_SHFT 0x0 + +#define WRAPPER_BASE_OFFS 0x000B0000 +#define WRAPPER_INTR_STATUS (WRAPPER_BASE_OFFS + 0x0C) +#define WRAPPER_INTR_STATUS_A2HWD_BMSK BIT(3) +#define WRAPPER_INTR_STATUS_A2H_BMSK BIT(2) + static void iris_vpu_setup_ucregion_memory_map(struct iris_core *core) { u32 queue_size, value; @@ -87,3 +100,33 @@ int iris_vpu_boot_firmware(struct iris_core *core) return 0; } + +void iris_vpu_raise_interrupt(struct iris_core *core) +{ + writel(1 << CPU_IC_SOFTINT_H2A_SHFT, core->reg_base + CPU_IC_SOFTINT); +} + +void iris_vpu_clear_interrupt(struct iris_core *core) +{ + u32 intr_status, mask; + + intr_status = readl(core->reg_base + WRAPPER_INTR_STATUS); + mask = (WRAPPER_INTR_STATUS_A2H_BMSK | + WRAPPER_INTR_STATUS_A2HWD_BMSK | + CTRL_INIT_IDLE_MSG_BMSK); + + if (intr_status & mask) + core->intr_status |= intr_status; + + writel(CLEAR_XTENSA2HOST_INTR, core->reg_base + CPU_CS_A2HSOFTINTCLR); +} + +int iris_vpu_watchdog(struct iris_core *core, u32 intr_status) +{ + if (intr_status & WRAPPER_INTR_STATUS_A2HWD_BMSK) { + dev_err(core->dev, "received watchdog interrupt\n"); + return -ETIME; + } + + return 0; +} |