diff options
Diffstat (limited to 'drivers/accel/ivpu/ivpu_mmu.c')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_mmu.c | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/drivers/accel/ivpu/ivpu_mmu.c b/drivers/accel/ivpu/ivpu_mmu.c index 473e1fc686a7..2538c78fbebe 100644 --- a/drivers/accel/ivpu/ivpu_mmu.c +++ b/drivers/accel/ivpu/ivpu_mmu.c @@ -18,10 +18,12 @@ #define IVPU_MMU_REG_IDR5 0x00200014u #define IVPU_MMU_REG_CR0 0x00200020u #define IVPU_MMU_REG_CR0ACK 0x00200024u +#define IVPU_MMU_REG_CR0ACK_VAL_MASK GENMASK(31, 0) #define IVPU_MMU_REG_CR1 0x00200028u #define IVPU_MMU_REG_CR2 0x0020002cu #define IVPU_MMU_REG_IRQ_CTRL 0x00200050u #define IVPU_MMU_REG_IRQ_CTRLACK 0x00200054u +#define IVPU_MMU_REG_IRQ_CTRLACK_VAL_MASK GENMASK(31, 0) #define IVPU_MMU_REG_GERROR 0x00200060u #define IVPU_MMU_REG_GERROR_CMDQ_MASK BIT_MASK(0) @@ -39,12 +41,13 @@ #define IVPU_MMU_REG_CMDQ_BASE 0x00200090u #define IVPU_MMU_REG_CMDQ_PROD 0x00200098u #define IVPU_MMU_REG_CMDQ_CONS 0x0020009cu +#define IVPU_MMU_REG_CMDQ_CONS_VAL_MASK GENMASK(23, 0) +#define IVPU_MMU_REG_CMDQ_CONS_ERR_MASK GENMASK(30, 24) #define IVPU_MMU_REG_EVTQ_BASE 0x002000a0u #define IVPU_MMU_REG_EVTQ_PROD 0x002000a8u #define IVPU_MMU_REG_EVTQ_CONS 0x002000acu #define IVPU_MMU_REG_EVTQ_PROD_SEC (0x002000a8u + SZ_64K) #define IVPU_MMU_REG_EVTQ_CONS_SEC (0x002000acu + SZ_64K) -#define IVPU_MMU_REG_CMDQ_CONS_ERR_MASK GENMASK(30, 24) #define IVPU_MMU_IDR0_REF 0x080f3e0f #define IVPU_MMU_IDR0_REF_SIMICS 0x080f3e1f @@ -409,19 +412,18 @@ static int ivpu_mmu_structs_alloc(struct ivpu_device *vdev) return ret; } -static int ivpu_mmu_reg_write(struct ivpu_device *vdev, u32 reg, u32 val) +static int ivpu_mmu_reg_write_cr0(struct ivpu_device *vdev, u32 val) { - u32 reg_ack = reg + 4; /* ACK register is 4B after base register */ - u32 val_ack; - int ret; + REGV_WR32(IVPU_MMU_REG_CR0, val); - REGV_WR32(reg, val); + return REGV_POLL_FLD(IVPU_MMU_REG_CR0ACK, VAL, val, IVPU_MMU_REG_TIMEOUT_US); +} - ret = REGV_POLL(reg_ack, val_ack, (val == val_ack), IVPU_MMU_REG_TIMEOUT_US); - if (ret) - ivpu_err(vdev, "Failed to write register 0x%x\n", reg); +static int ivpu_mmu_reg_write_irq_ctrl(struct ivpu_device *vdev, u32 val) +{ + REGV_WR32(IVPU_MMU_REG_IRQ_CTRL, val); - return ret; + return REGV_POLL_FLD(IVPU_MMU_REG_IRQ_CTRLACK, VAL, val, IVPU_MMU_REG_TIMEOUT_US); } static int ivpu_mmu_irqs_setup(struct ivpu_device *vdev) @@ -429,19 +431,26 @@ static int ivpu_mmu_irqs_setup(struct ivpu_device *vdev) u32 irq_ctrl = IVPU_MMU_IRQ_EVTQ_EN | IVPU_MMU_IRQ_GERROR_EN; int ret; - ret = ivpu_mmu_reg_write(vdev, IVPU_MMU_REG_IRQ_CTRL, 0); + ret = ivpu_mmu_reg_write_irq_ctrl(vdev, 0); if (ret) return ret; - return ivpu_mmu_reg_write(vdev, IVPU_MMU_REG_IRQ_CTRL, irq_ctrl); + return ivpu_mmu_reg_write_irq_ctrl(vdev, irq_ctrl); } static int ivpu_mmu_cmdq_wait_for_cons(struct ivpu_device *vdev) { struct ivpu_mmu_queue *cmdq = &vdev->mmu->cmdq; + int ret; + + ret = REGV_POLL_FLD(IVPU_MMU_REG_CMDQ_CONS, VAL, cmdq->prod, + IVPU_MMU_QUEUE_TIMEOUT_US); + if (ret) + return ret; + + cmdq->cons = cmdq->prod; - return REGV_POLL(IVPU_MMU_REG_CMDQ_CONS, cmdq->cons, (cmdq->prod == cmdq->cons), - IVPU_MMU_QUEUE_TIMEOUT_US); + return 0; } static int ivpu_mmu_cmdq_cmd_write(struct ivpu_device *vdev, const char *name, u64 data0, u64 data1) @@ -528,7 +537,7 @@ static int ivpu_mmu_reset(struct ivpu_device *vdev) mmu->evtq.prod = 0; mmu->evtq.cons = 0; - ret = ivpu_mmu_reg_write(vdev, IVPU_MMU_REG_CR0, 0); + ret = ivpu_mmu_reg_write_cr0(vdev, 0); if (ret) return ret; @@ -548,7 +557,7 @@ static int ivpu_mmu_reset(struct ivpu_device *vdev) REGV_WR32(IVPU_MMU_REG_CMDQ_CONS, 0); val = IVPU_MMU_CR0_CMDQEN; - ret = ivpu_mmu_reg_write(vdev, IVPU_MMU_REG_CR0, val); + ret = ivpu_mmu_reg_write_cr0(vdev, val); if (ret) return ret; @@ -569,12 +578,12 @@ static int ivpu_mmu_reset(struct ivpu_device *vdev) REGV_WR32(IVPU_MMU_REG_EVTQ_CONS_SEC, 0); val |= IVPU_MMU_CR0_EVTQEN; - ret = ivpu_mmu_reg_write(vdev, IVPU_MMU_REG_CR0, val); + ret = ivpu_mmu_reg_write_cr0(vdev, val); if (ret) return ret; val |= IVPU_MMU_CR0_ATSCHK; - ret = ivpu_mmu_reg_write(vdev, IVPU_MMU_REG_CR0, val); + ret = ivpu_mmu_reg_write_cr0(vdev, val); if (ret) return ret; @@ -583,7 +592,7 @@ static int ivpu_mmu_reset(struct ivpu_device *vdev) return ret; val |= IVPU_MMU_CR0_SMMUEN; - return ivpu_mmu_reg_write(vdev, IVPU_MMU_REG_CR0, val); + return ivpu_mmu_reg_write_cr0(vdev, val); } static void ivpu_mmu_strtab_link_cd(struct ivpu_device *vdev, u32 sid) |