diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/decoder.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/decoder.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/drivers/misc/habanalabs/common/decoder.c b/drivers/misc/habanalabs/common/decoder.c deleted file mode 100644 index 2aab14d74b53..000000000000 --- a/drivers/misc/habanalabs/common/decoder.c +++ /dev/null @@ -1,133 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -/* - * Copyright 2022 HabanaLabs, Ltd. - * All Rights Reserved. - */ - -#include "habanalabs.h" - -#define VCMD_CONTROL_OFFSET 0x40 /* SWREG16 */ -#define VCMD_IRQ_STATUS_OFFSET 0x44 /* SWREG17 */ - -#define VCMD_IRQ_STATUS_ENDCMD_MASK 0x1 -#define VCMD_IRQ_STATUS_BUSERR_MASK 0x2 -#define VCMD_IRQ_STATUS_TIMEOUT_MASK 0x4 -#define VCMD_IRQ_STATUS_CMDERR_MASK 0x8 -#define VCMD_IRQ_STATUS_ABORT_MASK 0x10 -#define VCMD_IRQ_STATUS_RESET_MASK 0x20 - -static void dec_print_abnrm_intr_source(struct hl_device *hdev, u32 irq_status) -{ - const char *format = "abnormal interrupt source:%s%s%s%s%s%s\n"; - char *intr_source[6] = {"Unknown", "", "", "", "", ""}; - int i = 0; - - if (!irq_status) - return; - - if (irq_status & VCMD_IRQ_STATUS_ENDCMD_MASK) - intr_source[i++] = " ENDCMD"; - if (irq_status & VCMD_IRQ_STATUS_BUSERR_MASK) - intr_source[i++] = " BUSERR"; - if (irq_status & VCMD_IRQ_STATUS_TIMEOUT_MASK) - intr_source[i++] = " TIMEOUT"; - if (irq_status & VCMD_IRQ_STATUS_CMDERR_MASK) - intr_source[i++] = " CMDERR"; - if (irq_status & VCMD_IRQ_STATUS_ABORT_MASK) - intr_source[i++] = " ABORT"; - if (irq_status & VCMD_IRQ_STATUS_RESET_MASK) - intr_source[i++] = " RESET"; - - dev_err(hdev->dev, format, intr_source[0], intr_source[1], - intr_source[2], intr_source[3], intr_source[4], intr_source[5]); -} - -static void dec_error_intr_work(struct hl_device *hdev, u32 base_addr, u32 core_id) -{ - bool reset_required = false; - u32 irq_status; - - irq_status = RREG32(base_addr + VCMD_IRQ_STATUS_OFFSET); - - dev_err(hdev->dev, "Decoder abnormal interrupt %#x, core %d\n", irq_status, core_id); - - dec_print_abnrm_intr_source(hdev, irq_status); - - if (irq_status & VCMD_IRQ_STATUS_TIMEOUT_MASK) - reset_required = true; - - /* Clear the interrupt */ - WREG32(base_addr + VCMD_IRQ_STATUS_OFFSET, irq_status); - - /* Flush the interrupt clear */ - RREG32(base_addr + VCMD_IRQ_STATUS_OFFSET); - - if (reset_required) - hl_device_reset(hdev, HL_DRV_RESET_HARD); -} - -static void dec_completion_abnrm(struct work_struct *work) -{ - struct hl_dec *dec = container_of(work, struct hl_dec, completion_abnrm_work); - struct hl_device *hdev = dec->hdev; - - dec_error_intr_work(hdev, dec->base_addr, dec->core_id); -} - -void hl_dec_fini(struct hl_device *hdev) -{ - kfree(hdev->dec); -} - -int hl_dec_init(struct hl_device *hdev) -{ - struct asic_fixed_properties *prop = &hdev->asic_prop; - struct hl_dec *dec; - int rc, j; - - /* if max core is 0, nothing to do*/ - if (!prop->max_dec) - return 0; - - hdev->dec = kcalloc(prop->max_dec, sizeof(struct hl_dec), GFP_KERNEL); - if (!hdev->dec) - return -ENOMEM; - - for (j = 0 ; j < prop->max_dec ; j++) { - dec = hdev->dec + j; - - dec->hdev = hdev; - INIT_WORK(&dec->completion_abnrm_work, dec_completion_abnrm); - dec->core_id = j; - dec->base_addr = hdev->asic_funcs->get_dec_base_addr(hdev, j); - if (!dec->base_addr) { - dev_err(hdev->dev, "Invalid base address of decoder %d\n", j); - rc = -EINVAL; - goto err_dec_fini; - } - } - - return 0; - -err_dec_fini: - hl_dec_fini(hdev); - - return rc; -} - -void hl_dec_ctx_fini(struct hl_ctx *ctx) -{ - struct hl_device *hdev = ctx->hdev; - struct asic_fixed_properties *prop = &hdev->asic_prop; - struct hl_dec *dec; - int j; - - for (j = 0 ; j < prop->max_dec ; j++) { - if (!!(prop->decoder_enabled_mask & BIT(j))) { - dec = hdev->dec + j; - /* Stop the decoder */ - WREG32(dec->base_addr + VCMD_CONTROL_OFFSET, 0); - } - } -} |