diff options
Diffstat (limited to 'drivers/gpu/drm/imx/dcss/dcss-dev.h')
| -rw-r--r-- | drivers/gpu/drm/imx/dcss/dcss-dev.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/drivers/gpu/drm/imx/dcss/dcss-dev.h b/drivers/gpu/drm/imx/dcss/dcss-dev.h new file mode 100644 index 000000000000..c642ae17837f --- /dev/null +++ b/drivers/gpu/drm/imx/dcss/dcss-dev.h @@ -0,0 +1,177 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2019 NXP. + */ + +#ifndef __DCSS_PRV_H__ +#define __DCSS_PRV_H__ + +#include <drm/drm_fourcc.h> +#include <linux/io.h> +#include <video/videomode.h> + +#define SET 0x04 +#define CLR 0x08 +#define TGL 0x0C + +#define dcss_writel(v, c) writel((v), (c)) +#define dcss_readl(c) readl(c) +#define dcss_set(v, c) writel((v), (c) + SET) +#define dcss_clr(v, c) writel((v), (c) + CLR) +#define dcss_toggle(v, c) writel((v), (c) + TGL) + +static inline void dcss_update(u32 v, u32 m, void __iomem *c) +{ + writel((readl(c) & ~(m)) | (v), (c)); +} + +#define DCSS_DBG_REG(reg) {.name = #reg, .ofs = reg} + +enum { + DCSS_IMX8MQ = 0, +}; + +struct dcss_type_data { + const char *name; + u32 blkctl_ofs; + u32 ctxld_ofs; + u32 rdsrc_ofs; + u32 wrscl_ofs; + u32 dtg_ofs; + u32 scaler_ofs; + u32 ss_ofs; + u32 dpr_ofs; + u32 dtrc_ofs; + u32 dec400d_ofs; + u32 hdr10_ofs; +}; + +struct dcss_debug_reg { + char *name; + u32 ofs; +}; + +enum dcss_ctxld_ctx_type { + CTX_DB, + CTX_SB_HP, /* high-priority */ + CTX_SB_LP, /* low-priority */ +}; + +struct dcss_dev { + struct device *dev; + const struct dcss_type_data *devtype; + struct device_node *of_port; + + u32 start_addr; + + struct dcss_blkctl *blkctl; + struct dcss_ctxld *ctxld; + struct dcss_dpr *dpr; + struct dcss_dtg *dtg; + struct dcss_ss *ss; + struct dcss_hdr10 *hdr10; + struct dcss_scaler *scaler; + struct dcss_dtrc *dtrc; + struct dcss_dec400d *dec400d; + struct dcss_wrscl *wrscl; + struct dcss_rdsrc *rdsrc; + + struct clk *apb_clk; + struct clk *axi_clk; + struct clk *pix_clk; + struct clk *rtrm_clk; + struct clk *dtrc_clk; + struct clk *pll_src_clk; + struct clk *pll_phy_ref_clk; + + bool hdmi_output; + + void (*disable_callback)(void *data); + struct completion disable_completion; +}; + +struct dcss_dev *dcss_drv_dev_to_dcss(struct device *dev); +struct drm_device *dcss_drv_dev_to_drm(struct device *dev); +struct dcss_dev *dcss_dev_create(struct device *dev, bool hdmi_output); +void dcss_dev_destroy(struct dcss_dev *dcss); +int dcss_dev_runtime_suspend(struct device *dev); +int dcss_dev_runtime_resume(struct device *dev); +int dcss_dev_suspend(struct device *dev); +int dcss_dev_resume(struct device *dev); +void dcss_enable_dtg_and_ss(struct dcss_dev *dcss); +void dcss_disable_dtg_and_ss(struct dcss_dev *dcss); + +/* BLKCTL */ +int dcss_blkctl_init(struct dcss_dev *dcss, unsigned long blkctl_base); +void dcss_blkctl_cfg(struct dcss_blkctl *blkctl); +void dcss_blkctl_exit(struct dcss_blkctl *blkctl); + +/* CTXLD */ +int dcss_ctxld_init(struct dcss_dev *dcss, unsigned long ctxld_base); +void dcss_ctxld_exit(struct dcss_ctxld *ctxld); +void dcss_ctxld_write(struct dcss_ctxld *ctxld, u32 ctx_id, + u32 val, u32 reg_idx); +int dcss_ctxld_resume(struct dcss_ctxld *dcss_ctxld); +int dcss_ctxld_suspend(struct dcss_ctxld *dcss_ctxld); +void dcss_ctxld_write_irqsafe(struct dcss_ctxld *ctlxd, u32 ctx_id, u32 val, + u32 reg_ofs); +void dcss_ctxld_kick(struct dcss_ctxld *ctxld); +bool dcss_ctxld_is_flushed(struct dcss_ctxld *ctxld); +int dcss_ctxld_enable(struct dcss_ctxld *ctxld); +void dcss_ctxld_register_completion(struct dcss_ctxld *ctxld, + struct completion *dis_completion); +void dcss_ctxld_assert_locked(struct dcss_ctxld *ctxld); + +/* DPR */ +int dcss_dpr_init(struct dcss_dev *dcss, unsigned long dpr_base); +void dcss_dpr_exit(struct dcss_dpr *dpr); +void dcss_dpr_write_sysctrl(struct dcss_dpr *dpr); +void dcss_dpr_set_res(struct dcss_dpr *dpr, int ch_num, u32 xres, u32 yres); +void dcss_dpr_addr_set(struct dcss_dpr *dpr, int ch_num, u32 luma_base_addr, + u32 chroma_base_addr, u16 pitch); +void dcss_dpr_enable(struct dcss_dpr *dpr, int ch_num, bool en); +void dcss_dpr_format_set(struct dcss_dpr *dpr, int ch_num, + const struct drm_format_info *format, u64 modifier); +void dcss_dpr_set_rotation(struct dcss_dpr *dpr, int ch_num, u32 rotation); + +/* DTG */ +int dcss_dtg_init(struct dcss_dev *dcss, unsigned long dtg_base); +void dcss_dtg_exit(struct dcss_dtg *dtg); +bool dcss_dtg_vblank_irq_valid(struct dcss_dtg *dtg); +void dcss_dtg_vblank_irq_enable(struct dcss_dtg *dtg, bool en); +void dcss_dtg_vblank_irq_clear(struct dcss_dtg *dtg); +void dcss_dtg_sync_set(struct dcss_dtg *dtg, struct videomode *vm); +void dcss_dtg_css_set(struct dcss_dtg *dtg); +void dcss_dtg_enable(struct dcss_dtg *dtg); +void dcss_dtg_shutoff(struct dcss_dtg *dtg); +bool dcss_dtg_is_enabled(struct dcss_dtg *dtg); +void dcss_dtg_ctxld_kick_irq_enable(struct dcss_dtg *dtg, bool en); +bool dcss_dtg_global_alpha_changed(struct dcss_dtg *dtg, int ch_num, int alpha); +void dcss_dtg_plane_alpha_set(struct dcss_dtg *dtg, int ch_num, + const struct drm_format_info *format, int alpha); +void dcss_dtg_plane_pos_set(struct dcss_dtg *dtg, int ch_num, + int px, int py, int pw, int ph); +void dcss_dtg_ch_enable(struct dcss_dtg *dtg, int ch_num, bool en); + +/* SUBSAM */ +int dcss_ss_init(struct dcss_dev *dcss, unsigned long subsam_base); +void dcss_ss_exit(struct dcss_ss *ss); +void dcss_ss_enable(struct dcss_ss *ss); +void dcss_ss_shutoff(struct dcss_ss *ss); +void dcss_ss_subsam_set(struct dcss_ss *ss); +void dcss_ss_sync_set(struct dcss_ss *ss, struct videomode *vm, + bool phsync, bool pvsync); + +/* SCALER */ +int dcss_scaler_init(struct dcss_dev *dcss, unsigned long scaler_base); +void dcss_scaler_exit(struct dcss_scaler *scl); +void dcss_scaler_setup(struct dcss_scaler *scl, int ch_num, + const struct drm_format_info *format, + int src_xres, int src_yres, int dst_xres, int dst_yres, + u32 vrefresh_hz); +void dcss_scaler_ch_enable(struct dcss_scaler *scl, int ch_num, bool en); +int dcss_scaler_get_min_max_ratios(struct dcss_scaler *scl, int ch_num, + int *min, int *max); +void dcss_scaler_write_sclctrl(struct dcss_scaler *scl); + +#endif /* __DCSS_PRV_H__ */ |