diff options
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun4i_frontend.h')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_frontend.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.h b/drivers/gpu/drm/sun4i/sun4i_frontend.h new file mode 100644 index 000000000000..02661ce81f3e --- /dev/null +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.h @@ -0,0 +1,99 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2017 Free Electrons + * Maxime Ripard <maxime.ripard@free-electrons.com> + */ + +#ifndef _SUN4I_FRONTEND_H_ +#define _SUN4I_FRONTEND_H_ + +#include <linux/list.h> + +#define SUN4I_FRONTEND_EN_REG 0x000 +#define SUN4I_FRONTEND_EN_EN BIT(0) + +#define SUN4I_FRONTEND_FRM_CTRL_REG 0x004 +#define SUN4I_FRONTEND_FRM_CTRL_COEF_ACCESS_CTRL BIT(23) +#define SUN4I_FRONTEND_FRM_CTRL_FRM_START BIT(16) +#define SUN4I_FRONTEND_FRM_CTRL_COEF_RDY BIT(1) +#define SUN4I_FRONTEND_FRM_CTRL_REG_RDY BIT(0) + +#define SUN4I_FRONTEND_BYPASS_REG 0x008 +#define SUN4I_FRONTEND_BYPASS_CSC_EN BIT(1) + +#define SUN4I_FRONTEND_BUF_ADDR0_REG 0x020 + +#define SUN4I_FRONTEND_LINESTRD0_REG 0x040 + +#define SUN4I_FRONTEND_INPUT_FMT_REG 0x04c +#define SUN4I_FRONTEND_INPUT_FMT_DATA_MOD(mod) ((mod) << 8) +#define SUN4I_FRONTEND_INPUT_FMT_DATA_FMT(fmt) ((fmt) << 4) +#define SUN4I_FRONTEND_INPUT_FMT_PS(ps) (ps) + +#define SUN4I_FRONTEND_OUTPUT_FMT_REG 0x05c +#define SUN4I_FRONTEND_OUTPUT_FMT_DATA_FMT(fmt) (fmt) + +#define SUN4I_FRONTEND_CH0_INSIZE_REG 0x100 +#define SUN4I_FRONTEND_INSIZE(h, w) ((((h) - 1) << 16) | (((w) - 1))) + +#define SUN4I_FRONTEND_CH0_OUTSIZE_REG 0x104 +#define SUN4I_FRONTEND_OUTSIZE(h, w) ((((h) - 1) << 16) | (((w) - 1))) + +#define SUN4I_FRONTEND_CH0_HORZFACT_REG 0x108 +#define SUN4I_FRONTEND_HORZFACT(i, f) (((i) << 16) | (f)) + +#define SUN4I_FRONTEND_CH0_VERTFACT_REG 0x10c +#define SUN4I_FRONTEND_VERTFACT(i, f) (((i) << 16) | (f)) + +#define SUN4I_FRONTEND_CH0_HORZPHASE_REG 0x110 +#define SUN4I_FRONTEND_CH0_VERTPHASE0_REG 0x114 +#define SUN4I_FRONTEND_CH0_VERTPHASE1_REG 0x118 + +#define SUN4I_FRONTEND_CH1_INSIZE_REG 0x200 +#define SUN4I_FRONTEND_CH1_OUTSIZE_REG 0x204 +#define SUN4I_FRONTEND_CH1_HORZFACT_REG 0x208 +#define SUN4I_FRONTEND_CH1_VERTFACT_REG 0x20c + +#define SUN4I_FRONTEND_CH1_HORZPHASE_REG 0x210 +#define SUN4I_FRONTEND_CH1_VERTPHASE0_REG 0x214 +#define SUN4I_FRONTEND_CH1_VERTPHASE1_REG 0x218 + +#define SUN4I_FRONTEND_CH0_HORZCOEF0_REG(i) (0x400 + i * 4) +#define SUN4I_FRONTEND_CH0_HORZCOEF1_REG(i) (0x480 + i * 4) +#define SUN4I_FRONTEND_CH0_VERTCOEF_REG(i) (0x500 + i * 4) +#define SUN4I_FRONTEND_CH1_HORZCOEF0_REG(i) (0x600 + i * 4) +#define SUN4I_FRONTEND_CH1_HORZCOEF1_REG(i) (0x680 + i * 4) +#define SUN4I_FRONTEND_CH1_VERTCOEF_REG(i) (0x700 + i * 4) + +struct clk; +struct device_node; +struct drm_plane; +struct regmap; +struct reset_control; + +struct sun4i_frontend { + struct list_head list; + struct device *dev; + struct device_node *node; + + struct clk *bus_clk; + struct clk *mod_clk; + struct clk *ram_clk; + struct regmap *regs; + struct reset_control *reset; +}; + +extern const struct of_device_id sun4i_frontend_of_table[]; + +int sun4i_frontend_init(struct sun4i_frontend *frontend); +void sun4i_frontend_exit(struct sun4i_frontend *frontend); +int sun4i_frontend_enable(struct sun4i_frontend *frontend); + +void sun4i_frontend_update_buffer(struct sun4i_frontend *frontend, + struct drm_plane *plane); +void sun4i_frontend_update_coord(struct sun4i_frontend *frontend, + struct drm_plane *plane); +int sun4i_frontend_update_formats(struct sun4i_frontend *frontend, + struct drm_plane *plane, uint32_t out_fmt); + +#endif /* _SUN4I_FRONTEND_H_ */ |