diff options
Diffstat (limited to 'drivers/media/platform/verisilicon/hantro_g1.c')
| -rw-r--r-- | drivers/media/platform/verisilicon/hantro_g1.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/media/platform/verisilicon/hantro_g1.c b/drivers/media/platform/verisilicon/hantro_g1.c new file mode 100644 index 000000000000..0ab1cee62218 --- /dev/null +++ b/drivers/media/platform/verisilicon/hantro_g1.c @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Hantro VPU codec driver + * + * Copyright (C) 2018 Rockchip Electronics Co., Ltd. + * Jeffy Chen <jeffy.chen@rock-chips.com> + * Copyright (C) 2019 Pengutronix, Philipp Zabel <kernel@pengutronix.de> + * Copyright (C) 2021 Collabora Ltd, Emil Velikov <emil.velikov@collabora.com> + */ + +#include "hantro.h" +#include "hantro_g1_regs.h" + +irqreturn_t hantro_g1_irq(int irq, void *dev_id) +{ + struct hantro_dev *vpu = dev_id; + enum vb2_buffer_state state; + u32 status; + + status = vdpu_read(vpu, G1_REG_INTERRUPT); + state = (status & G1_REG_INTERRUPT_DEC_RDY_INT) ? + VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR; + + vdpu_write(vpu, 0, G1_REG_INTERRUPT); + vdpu_write(vpu, G1_REG_CONFIG_DEC_CLK_GATE_E, G1_REG_CONFIG); + + hantro_irq_done(vpu, state); + + return IRQ_HANDLED; +} + +void hantro_g1_reset(struct hantro_ctx *ctx) +{ + struct hantro_dev *vpu = ctx->dev; + + vdpu_write(vpu, G1_REG_INTERRUPT_DEC_IRQ_DIS, G1_REG_INTERRUPT); + vdpu_write(vpu, G1_REG_CONFIG_DEC_CLK_GATE_E, G1_REG_CONFIG); + vdpu_write(vpu, 1, G1_REG_SOFT_RESET); +} |