diff options
Diffstat (limited to 'drivers/staging/media/hantro/imx8m_vpu_hw.c')
| -rw-r--r-- | drivers/staging/media/hantro/imx8m_vpu_hw.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/drivers/staging/media/hantro/imx8m_vpu_hw.c b/drivers/staging/media/hantro/imx8m_vpu_hw.c deleted file mode 100644 index ea919bfb9891..000000000000 --- a/drivers/staging/media/hantro/imx8m_vpu_hw.c +++ /dev/null @@ -1,291 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Hantro VPU codec driver - * - * Copyright (C) 2019 Pengutronix, Philipp Zabel <kernel@pengutronix.de> - */ - -#include <linux/clk.h> -#include <linux/delay.h> - -#include "hantro.h" -#include "hantro_jpeg.h" -#include "hantro_g1_regs.h" -#include "hantro_g2_regs.h" - -#define CTRL_SOFT_RESET 0x00 -#define RESET_G1 BIT(1) -#define RESET_G2 BIT(0) - -#define CTRL_CLOCK_ENABLE 0x04 -#define CLOCK_G1 BIT(1) -#define CLOCK_G2 BIT(0) - -#define CTRL_G1_DEC_FUSE 0x08 -#define CTRL_G1_PP_FUSE 0x0c -#define CTRL_G2_DEC_FUSE 0x10 - -static void imx8m_soft_reset(struct hantro_dev *vpu, u32 reset_bits) -{ - u32 val; - - /* Assert */ - val = readl(vpu->ctrl_base + CTRL_SOFT_RESET); - val &= ~reset_bits; - writel(val, vpu->ctrl_base + CTRL_SOFT_RESET); - - udelay(2); - - /* Release */ - val = readl(vpu->ctrl_base + CTRL_SOFT_RESET); - val |= reset_bits; - writel(val, vpu->ctrl_base + CTRL_SOFT_RESET); -} - -static void imx8m_clk_enable(struct hantro_dev *vpu, u32 clock_bits) -{ - u32 val; - - val = readl(vpu->ctrl_base + CTRL_CLOCK_ENABLE); - val |= clock_bits; - writel(val, vpu->ctrl_base + CTRL_CLOCK_ENABLE); -} - -static int imx8mq_runtime_resume(struct hantro_dev *vpu) -{ - int ret; - - ret = clk_bulk_prepare_enable(vpu->variant->num_clocks, vpu->clocks); - if (ret) { - dev_err(vpu->dev, "Failed to enable clocks\n"); - return ret; - } - - imx8m_soft_reset(vpu, RESET_G1 | RESET_G2); - imx8m_clk_enable(vpu, CLOCK_G1 | CLOCK_G2); - - /* Set values of the fuse registers */ - writel(0xffffffff, vpu->ctrl_base + CTRL_G1_DEC_FUSE); - writel(0xffffffff, vpu->ctrl_base + CTRL_G1_PP_FUSE); - writel(0xffffffff, vpu->ctrl_base + CTRL_G2_DEC_FUSE); - - clk_bulk_disable_unprepare(vpu->variant->num_clocks, vpu->clocks); - - return 0; -} - -/* - * Supported formats. - */ - -static const struct hantro_fmt imx8m_vpu_postproc_fmts[] = { - { - .fourcc = V4L2_PIX_FMT_YUYV, - .codec_mode = HANTRO_MODE_NONE, - }, -}; - -static const struct hantro_fmt imx8m_vpu_dec_fmts[] = { - { - .fourcc = V4L2_PIX_FMT_NV12, - .codec_mode = HANTRO_MODE_NONE, - }, - { - .fourcc = V4L2_PIX_FMT_MPEG2_SLICE, - .codec_mode = HANTRO_MODE_MPEG2_DEC, - .max_depth = 2, - .frmsize = { - .min_width = 48, - .max_width = 1920, - .step_width = MB_DIM, - .min_height = 48, - .max_height = 1088, - .step_height = MB_DIM, - }, - }, - { - .fourcc = V4L2_PIX_FMT_VP8_FRAME, - .codec_mode = HANTRO_MODE_VP8_DEC, - .max_depth = 2, - .frmsize = { - .min_width = 48, - .max_width = 3840, - .step_width = MB_DIM, - .min_height = 48, - .max_height = 2160, - .step_height = MB_DIM, - }, - }, - { - .fourcc = V4L2_PIX_FMT_H264_SLICE, - .codec_mode = HANTRO_MODE_H264_DEC, - .max_depth = 2, - .frmsize = { - .min_width = 48, - .max_width = 3840, - .step_width = MB_DIM, - .min_height = 48, - .max_height = 2160, - .step_height = MB_DIM, - }, - }, -}; - -static const struct hantro_fmt imx8m_vpu_g2_dec_fmts[] = { - { - .fourcc = V4L2_PIX_FMT_NV12, - .codec_mode = HANTRO_MODE_NONE, - }, - { - .fourcc = V4L2_PIX_FMT_HEVC_SLICE, - .codec_mode = HANTRO_MODE_HEVC_DEC, - .max_depth = 2, - .frmsize = { - .min_width = 48, - .max_width = 3840, - .step_width = MB_DIM, - .min_height = 48, - .max_height = 2160, - .step_height = MB_DIM, - }, - }, -}; - -static irqreturn_t imx8m_vpu_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; -} - -static irqreturn_t imx8m_vpu_g2_irq(int irq, void *dev_id) -{ - struct hantro_dev *vpu = dev_id; - enum vb2_buffer_state state; - u32 status; - - status = vdpu_read(vpu, G2_REG_INTERRUPT); - state = (status & G2_REG_INTERRUPT_DEC_RDY_INT) ? - VB2_BUF_STATE_DONE : VB2_BUF_STATE_ERROR; - - vdpu_write(vpu, 0, G2_REG_INTERRUPT); - vdpu_write(vpu, G2_REG_CONFIG_DEC_CLK_GATE_E, G2_REG_CONFIG); - - hantro_irq_done(vpu, state); - - return IRQ_HANDLED; -} - -static int imx8mq_vpu_hw_init(struct hantro_dev *vpu) -{ - vpu->ctrl_base = vpu->reg_bases[vpu->variant->num_regs - 1]; - - return 0; -} - -static void imx8m_vpu_g1_reset(struct hantro_ctx *ctx) -{ - struct hantro_dev *vpu = ctx->dev; - - imx8m_soft_reset(vpu, RESET_G1); -} - -static void imx8m_vpu_g2_reset(struct hantro_ctx *ctx) -{ - struct hantro_dev *vpu = ctx->dev; - - imx8m_soft_reset(vpu, RESET_G2); -} - -/* - * Supported codec ops. - */ - -static const struct hantro_codec_ops imx8mq_vpu_codec_ops[] = { - [HANTRO_MODE_MPEG2_DEC] = { - .run = hantro_g1_mpeg2_dec_run, - .reset = imx8m_vpu_g1_reset, - .init = hantro_mpeg2_dec_init, - .exit = hantro_mpeg2_dec_exit, - }, - [HANTRO_MODE_VP8_DEC] = { - .run = hantro_g1_vp8_dec_run, - .reset = imx8m_vpu_g1_reset, - .init = hantro_vp8_dec_init, - .exit = hantro_vp8_dec_exit, - }, - [HANTRO_MODE_H264_DEC] = { - .run = hantro_g1_h264_dec_run, - .reset = imx8m_vpu_g1_reset, - .init = hantro_h264_dec_init, - .exit = hantro_h264_dec_exit, - }, -}; - -static const struct hantro_codec_ops imx8mq_vpu_g2_codec_ops[] = { - [HANTRO_MODE_HEVC_DEC] = { - .run = hantro_g2_hevc_dec_run, - .reset = imx8m_vpu_g2_reset, - .init = hantro_hevc_dec_init, - .exit = hantro_hevc_dec_exit, - }, -}; - -/* - * VPU variants. - */ - -static const struct hantro_irq imx8mq_irqs[] = { - { "g1", imx8m_vpu_g1_irq }, -}; - -static const struct hantro_irq imx8mq_g2_irqs[] = { - { "g2", imx8m_vpu_g2_irq }, -}; - -static const char * const imx8mq_clk_names[] = { "g1", "g2", "bus" }; -static const char * const imx8mq_reg_names[] = { "g1", "g2", "ctrl" }; - -const struct hantro_variant imx8mq_vpu_variant = { - .dec_fmts = imx8m_vpu_dec_fmts, - .num_dec_fmts = ARRAY_SIZE(imx8m_vpu_dec_fmts), - .postproc_fmts = imx8m_vpu_postproc_fmts, - .num_postproc_fmts = ARRAY_SIZE(imx8m_vpu_postproc_fmts), - .postproc_regs = &hantro_g1_postproc_regs, - .codec = HANTRO_MPEG2_DECODER | HANTRO_VP8_DECODER | - HANTRO_H264_DECODER, - .codec_ops = imx8mq_vpu_codec_ops, - .init = imx8mq_vpu_hw_init, - .runtime_resume = imx8mq_runtime_resume, - .irqs = imx8mq_irqs, - .num_irqs = ARRAY_SIZE(imx8mq_irqs), - .clk_names = imx8mq_clk_names, - .num_clocks = ARRAY_SIZE(imx8mq_clk_names), - .reg_names = imx8mq_reg_names, - .num_regs = ARRAY_SIZE(imx8mq_reg_names) -}; - -const struct hantro_variant imx8mq_vpu_g2_variant = { - .dec_offset = 0x0, - .dec_fmts = imx8m_vpu_g2_dec_fmts, - .num_dec_fmts = ARRAY_SIZE(imx8m_vpu_g2_dec_fmts), - .codec = HANTRO_HEVC_DECODER, - .codec_ops = imx8mq_vpu_g2_codec_ops, - .init = imx8mq_vpu_hw_init, - .runtime_resume = imx8mq_runtime_resume, - .irqs = imx8mq_g2_irqs, - .num_irqs = ARRAY_SIZE(imx8mq_g2_irqs), - .clk_names = imx8mq_clk_names, - .num_clocks = ARRAY_SIZE(imx8mq_clk_names), -}; |