diff options
Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/omapdss.h')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/omapdss.h | 446 |
1 files changed, 55 insertions, 391 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss.h b/drivers/gpu/drm/omapdrm/dss/omapdss.h index 33e15cb77efa..4c22c09c93d5 100644 --- a/drivers/gpu/drm/omapdrm/dss/omapdss.h +++ b/drivers/gpu/drm/omapdrm/dss/omapdss.h @@ -1,31 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* - * Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/ + * Copyright (C) 2016 Texas Instruments Incorporated - https://www.ti.com/ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __OMAP_DRM_DSS_H #define __OMAP_DRM_DSS_H -#include <linux/list.h> -#include <linux/kobject.h> +#include <drm/drm_color_mgmt.h> +#include <drm/drm_crtc.h> +#include <drm/drm_mode.h> #include <linux/device.h> #include <linux/interrupt.h> -#include <video/videomode.h> +#include <linux/list.h> #include <linux/platform_data/omapdss.h> -#include <uapi/drm/drm_mode.h> -#include <drm/drm_crtc.h> +#include <video/videomode.h> #define DISPC_IRQ_FRAMEDONE (1 << 0) #define DISPC_IRQ_VSYNC (1 << 1) @@ -59,15 +48,15 @@ #define DISPC_IRQ_ACBIAS_COUNT_STAT3 (1 << 29) #define DISPC_IRQ_FRAMEDONE3 (1 << 30) -struct dss_device; -struct omap_drm_private; -struct omap_dss_device; struct dispc_device; +struct drm_connector; struct dss_device; struct dss_lcd_mgr_config; +struct hdmi_avi_infoframe; +struct omap_drm_private; +struct omap_dss_device; struct snd_aes_iec958; struct snd_cea_861_aud_if; -struct hdmi_avi_infoframe; enum omap_display_type { OMAP_DISPLAY_TYPE_NONE = 0, @@ -127,28 +116,6 @@ enum omap_dss_venc_type { OMAP_DSS_VENC_TYPE_SVIDEO, }; -enum omap_dss_dsi_pixel_format { - OMAP_DSS_DSI_FMT_RGB888, - OMAP_DSS_DSI_FMT_RGB666, - OMAP_DSS_DSI_FMT_RGB666_PACKED, - OMAP_DSS_DSI_FMT_RGB565, -}; - -enum omap_dss_dsi_mode { - OMAP_DSS_DSI_CMD_MODE = 0, - OMAP_DSS_DSI_VIDEO_MODE, -}; - -enum omap_display_caps { - OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE = 1 << 0, - OMAP_DSS_DISPLAY_CAP_TEAR_ELIM = 1 << 1, -}; - -enum omap_dss_display_state { - OMAP_DSS_DISPLAY_DISABLED = 0, - OMAP_DSS_DISPLAY_ACTIVE, -}; - enum omap_dss_rotation_type { OMAP_DSS_ROT_NONE = 0, OMAP_DSS_ROT_TILER = 1 << 0, @@ -173,64 +140,6 @@ enum omap_dss_output_id { OMAP_DSS_OUTPUT_HDMI = 1 << 6, }; -/* DSI */ - -enum omap_dss_dsi_trans_mode { - /* Sync Pulses: both sync start and end packets sent */ - OMAP_DSS_DSI_PULSE_MODE, - /* Sync Events: only sync start packets sent */ - OMAP_DSS_DSI_EVENT_MODE, - /* Burst: only sync start packets sent, pixels are time compressed */ - OMAP_DSS_DSI_BURST_MODE, -}; - -struct omap_dss_dsi_videomode_timings { - unsigned long hsclk; - - unsigned int ndl; - unsigned int bitspp; - - /* pixels */ - u16 hact; - /* lines */ - u16 vact; - - /* DSI video mode blanking data */ - /* Unit: byte clock cycles */ - u16 hss; - u16 hsa; - u16 hse; - u16 hfp; - u16 hbp; - /* Unit: line clocks */ - u16 vsa; - u16 vfp; - u16 vbp; - - /* DSI blanking modes */ - int blanking_mode; - int hsa_blanking_mode; - int hbp_blanking_mode; - int hfp_blanking_mode; - - enum omap_dss_dsi_trans_mode trans_mode; - - bool ddr_clk_always_on; - int window_sync; -}; - -struct omap_dss_dsi_config { - enum omap_dss_dsi_mode mode; - enum omap_dss_dsi_pixel_format pixel_format; - const struct videomode *vm; - - unsigned long hs_clk_min, hs_clk_max; - unsigned long lp_clk_min, lp_clk_max; - - bool ddr_clk_always_on; - enum omap_dss_dsi_trans_mode trans_mode; -}; - struct omap_dss_cpr_coefs { s16 rr, rg, rb; s16 gr, gg, gb; @@ -254,6 +163,9 @@ struct omap_overlay_info { u8 global_alpha; u8 pre_mult_alpha; u8 zorder; + + enum drm_color_encoding color_encoding; + enum drm_color_range color_range; }; struct omap_overlay_manager_info { @@ -269,21 +181,6 @@ struct omap_overlay_manager_info { struct omap_dss_cpr_coefs cpr_coefs; }; -/* 22 pins means 1 clk lane and 10 data lanes */ -#define OMAP_DSS_MAX_DSI_PINS 22 - -struct omap_dsi_pin_config { - int num_pins; - /* - * pin numbers in the following order: - * clk+, clk- - * data1+, data1- - * data2+, data2- - * ... - */ - int pins[OMAP_DSS_MAX_DSI_PINS]; -}; - struct omap_dss_writeback_info { u32 paddr; u32 p_uv_addr; @@ -296,204 +193,57 @@ struct omap_dss_writeback_info { u8 pre_mult_alpha; }; -struct omapdss_hdmi_ops { - void (*lost_hotplug)(struct omap_dss_device *dssdev); - int (*set_hdmi_mode)(struct omap_dss_device *dssdev, bool hdmi_mode); - int (*set_infoframe)(struct omap_dss_device *dssdev, - const struct hdmi_avi_infoframe *avi); -}; - struct omapdss_dsi_ops { - void (*disable)(struct omap_dss_device *dssdev, bool disconnect_lanes, - bool enter_ulps); - - /* bus configuration */ - int (*set_config)(struct omap_dss_device *dssdev, - const struct omap_dss_dsi_config *cfg); - int (*configure_pins)(struct omap_dss_device *dssdev, - const struct omap_dsi_pin_config *pin_cfg); - - void (*enable_hs)(struct omap_dss_device *dssdev, int channel, - bool enable); - int (*enable_te)(struct omap_dss_device *dssdev, bool enable); - - int (*update)(struct omap_dss_device *dssdev, int channel, - void (*callback)(int, void *), void *data); - - void (*bus_lock)(struct omap_dss_device *dssdev); - void (*bus_unlock)(struct omap_dss_device *dssdev); - - int (*enable_video_output)(struct omap_dss_device *dssdev, int channel); - void (*disable_video_output)(struct omap_dss_device *dssdev, - int channel); - - int (*request_vc)(struct omap_dss_device *dssdev, int *channel); - int (*set_vc_id)(struct omap_dss_device *dssdev, int channel, - int vc_id); - void (*release_vc)(struct omap_dss_device *dssdev, int channel); - - /* data transfer */ - int (*dcs_write)(struct omap_dss_device *dssdev, int channel, - u8 *data, int len); - int (*dcs_write_nosync)(struct omap_dss_device *dssdev, int channel, - u8 *data, int len); - int (*dcs_read)(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd, - u8 *data, int len); - - int (*gen_write)(struct omap_dss_device *dssdev, int channel, - u8 *data, int len); - int (*gen_write_nosync)(struct omap_dss_device *dssdev, int channel, - u8 *data, int len); - int (*gen_read)(struct omap_dss_device *dssdev, int channel, - u8 *reqdata, int reqlen, - u8 *data, int len); - - int (*bta_sync)(struct omap_dss_device *dssdev, int channel); - - int (*set_max_rx_packet_size)(struct omap_dss_device *dssdev, - int channel, u16 plen); -}; - -struct omap_dss_device_ops { - int (*connect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - void (*disconnect)(struct omap_dss_device *dssdev, - struct omap_dss_device *dst); - - int (*enable)(struct omap_dss_device *dssdev); - void (*disable)(struct omap_dss_device *dssdev); - - int (*check_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*get_timings)(struct omap_dss_device *dssdev, - struct videomode *vm); - void (*set_timings)(struct omap_dss_device *dssdev, - const struct videomode *vm); - - bool (*detect)(struct omap_dss_device *dssdev); - - void (*register_hpd_cb)(struct omap_dss_device *dssdev, - void (*cb)(void *cb_data, - enum drm_connector_status status), - void *cb_data); - void (*unregister_hpd_cb)(struct omap_dss_device *dssdev); - - int (*read_edid)(struct omap_dss_device *dssdev, u8 *buf, int len); - - union { - const struct omapdss_hdmi_ops hdmi; - const struct omapdss_dsi_ops dsi; - }; -}; - -/** - * enum omap_dss_device_ops_flag - Indicates which device ops are supported - * @OMAP_DSS_DEVICE_OP_DETECT: The device supports output connection detection - * @OMAP_DSS_DEVICE_OP_HPD: The device supports all hot-plug-related operations - * @OMAP_DSS_DEVICE_OP_EDID: The device supports readind EDID - */ -enum omap_dss_device_ops_flag { - OMAP_DSS_DEVICE_OP_DETECT = BIT(0), - OMAP_DSS_DEVICE_OP_HPD = BIT(1), - OMAP_DSS_DEVICE_OP_EDID = BIT(2), -}; - -enum omap_dss_device_type { - OMAP_DSS_DEVICE_TYPE_OUTPUT = (1 << 0), - OMAP_DSS_DEVICE_TYPE_DISPLAY = (1 << 1), + int (*update)(struct omap_dss_device *dssdev); + bool (*is_video_mode)(struct omap_dss_device *dssdev); }; struct omap_dss_device { - struct kobject kobj; struct device *dev; - struct module *owner; - struct dss_device *dss; - struct omap_dss_device *src; - struct omap_dss_device *dst; - struct omap_dss_device *next; + struct drm_bridge *bridge; + struct drm_bridge *next_bridge; + struct drm_panel *panel; struct list_head list; - unsigned int alias_id; - - enum omap_display_type type; /* - * DSS output type that this device generates (for DSS internal devices) - * or requires (for external encoders). Must be OMAP_DISPLAY_TYPE_NONE - * for display devices (connectors and panels) and to non-zero value for - * all other devices. + * DSS type that this device generates (for DSS internal devices) or + * requires (for external encoders, connectors and panels). Must be a + * non-zero (different than OMAP_DISPLAY_TYPE_NONE) value. */ - enum omap_display_type output_type; + enum omap_display_type type; const char *name; - const struct omap_dss_driver *driver; - const struct omap_dss_device_ops *ops; - unsigned long ops_flags; + const struct omapdss_dsi_ops *dsi_ops; u32 bus_flags; - /* helper variable for driver suspend/resume */ - bool activate_after_resume; - - enum omap_display_caps caps; - - enum omap_dss_display_state state; - /* OMAP DSS output specific fields */ /* DISPC channel for this output */ enum omap_channel dispc_channel; - bool dispc_channel_connected; /* output instance */ enum omap_dss_output_id id; - /* bitmask of port numbers in DT */ - unsigned int of_ports; + /* port number in DT */ + unsigned int of_port; }; -struct omap_dss_driver { - int (*update)(struct omap_dss_device *dssdev, - u16 x, u16 y, u16 w, u16 h); - int (*sync)(struct omap_dss_device *dssdev); - - int (*enable_te)(struct omap_dss_device *dssdev, bool enable); - int (*get_te)(struct omap_dss_device *dssdev); - - int (*memory_read)(struct omap_dss_device *dssdev, - void *buf, size_t size, - u16 x, u16 y, u16 w, u16 h); - - void (*get_size)(struct omap_dss_device *dssdev, - unsigned int *width, unsigned int *height); +struct dss_pdata { + struct dss_device *dss; }; -struct dss_device *omapdss_get_dss(void); -void omapdss_set_dss(struct dss_device *dss); -static inline bool omapdss_is_initialized(void) -{ - return !!omapdss_get_dss(); -} - -#define for_each_dss_display(d) \ - while ((d = omapdss_device_get_next(d, OMAP_DSS_DEVICE_TYPE_DISPLAY)) != NULL) -void omapdss_display_init(struct omap_dss_device *dssdev); -struct omap_dss_device *omapdss_display_get(struct omap_dss_device *output); - void omapdss_device_register(struct omap_dss_device *dssdev); void omapdss_device_unregister(struct omap_dss_device *dssdev); struct omap_dss_device *omapdss_device_get(struct omap_dss_device *dssdev); void omapdss_device_put(struct omap_dss_device *dssdev); -struct omap_dss_device *omapdss_find_device_by_port(struct device_node *src, - unsigned int port); -struct omap_dss_device *omapdss_device_get_next(struct omap_dss_device *from, - enum omap_dss_device_type type); +struct omap_dss_device *omapdss_find_device_by_node(struct device_node *node); int omapdss_device_connect(struct dss_device *dss, - struct omap_dss_device *src, struct omap_dss_device *dst); -void omapdss_device_disconnect(struct omap_dss_device *src, +void omapdss_device_disconnect(struct dss_device *dss, struct omap_dss_device *dst); int omap_dss_get_num_overlay_managers(void); @@ -501,8 +251,11 @@ int omap_dss_get_num_overlay_managers(void); int omap_dss_get_num_overlays(void); #define for_each_dss_output(d) \ - while ((d = omapdss_device_get_next(d, OMAP_DSS_DEVICE_TYPE_OUTPUT)) != NULL) -int omapdss_output_validate(struct omap_dss_device *out); + while ((d = omapdss_device_next_output(d)) != NULL) +struct omap_dss_device *omapdss_device_next_output(struct omap_dss_device *from); +int omapdss_device_init_output(struct omap_dss_device *out, + struct drm_bridge *local_bridge); +void omapdss_device_cleanup_output(struct omap_dss_device *out); typedef void (*omap_dispc_isr_t) (void *arg, u32 mask); int omap_dispc_register_isr(omap_dispc_isr_t isr, void *arg, u32 mask); @@ -511,19 +264,6 @@ int omap_dispc_unregister_isr(omap_dispc_isr_t isr, void *arg, u32 mask); int omapdss_compat_init(void); void omapdss_compat_uninit(void); -static inline bool omapdss_device_is_connected(struct omap_dss_device *dssdev) -{ - return dssdev->src; -} - -static inline bool omapdss_device_is_enabled(struct omap_dss_device *dssdev) -{ - return dssdev->state == OMAP_DSS_DISPLAY_ACTIVE; -} - -struct omap_dss_device * -omapdss_of_find_connected_device(struct device_node *node, unsigned int port); - enum dss_writeback_channel { DSS_WB_LCD1_MGR = 0, DSS_WB_LCD2_MGR = 1, @@ -535,31 +275,23 @@ enum dss_writeback_channel { DSS_WB_LCD3_MGR = 7, }; -struct dss_mgr_ops { - void (*start_update)(struct omap_drm_private *priv, - enum omap_channel channel); - int (*enable)(struct omap_drm_private *priv, - enum omap_channel channel); - void (*disable)(struct omap_drm_private *priv, - enum omap_channel channel); - void (*set_timings)(struct omap_drm_private *priv, - enum omap_channel channel, - const struct videomode *vm); - void (*set_lcd_config)(struct omap_drm_private *priv, - enum omap_channel channel, - const struct dss_lcd_mgr_config *config); - int (*register_framedone_handler)(struct omap_drm_private *priv, - enum omap_channel channel, - void (*handler)(void *), void *data); - void (*unregister_framedone_handler)(struct omap_drm_private *priv, - enum omap_channel channel, - void (*handler)(void *), void *data); -}; - -int dss_install_mgr_ops(struct dss_device *dss, - const struct dss_mgr_ops *mgr_ops, - struct omap_drm_private *priv); -void dss_uninstall_mgr_ops(struct dss_device *dss); +void omap_crtc_dss_start_update(struct omap_drm_private *priv, + enum omap_channel channel); +void omap_crtc_set_enabled(struct drm_crtc *crtc, bool enable); +int omap_crtc_dss_enable(struct omap_drm_private *priv, enum omap_channel channel); +void omap_crtc_dss_disable(struct omap_drm_private *priv, enum omap_channel channel); +void omap_crtc_dss_set_timings(struct omap_drm_private *priv, + enum omap_channel channel, + const struct videomode *vm); +void omap_crtc_dss_set_lcd_config(struct omap_drm_private *priv, + enum omap_channel channel, + const struct dss_lcd_mgr_config *config); +int omap_crtc_dss_register_framedone( + struct omap_drm_private *priv, enum omap_channel channel, + void (*handler)(void *), void *data); +void omap_crtc_dss_unregister_framedone( + struct omap_drm_private *priv, enum omap_channel channel, + void (*handler)(void *), void *data); void dss_mgr_set_timings(struct omap_dss_device *dssdev, const struct videomode *vm); @@ -573,80 +305,12 @@ int dss_mgr_register_framedone_handler(struct omap_dss_device *dssdev, void dss_mgr_unregister_framedone_handler(struct omap_dss_device *dssdev, void (*handler)(void *), void *data); -/* dispc ops */ - -struct dispc_ops { - u32 (*read_irqstatus)(struct dispc_device *dispc); - void (*clear_irqstatus)(struct dispc_device *dispc, u32 mask); - void (*write_irqenable)(struct dispc_device *dispc, u32 mask); - - int (*request_irq)(struct dispc_device *dispc, irq_handler_t handler, - void *dev_id); - void (*free_irq)(struct dispc_device *dispc, void *dev_id); - - int (*runtime_get)(struct dispc_device *dispc); - void (*runtime_put)(struct dispc_device *dispc); - - int (*get_num_ovls)(struct dispc_device *dispc); - int (*get_num_mgrs)(struct dispc_device *dispc); - - u32 (*get_memory_bandwidth_limit)(struct dispc_device *dispc); - - void (*mgr_enable)(struct dispc_device *dispc, - enum omap_channel channel, bool enable); - bool (*mgr_is_enabled)(struct dispc_device *dispc, - enum omap_channel channel); - u32 (*mgr_get_vsync_irq)(struct dispc_device *dispc, - enum omap_channel channel); - u32 (*mgr_get_framedone_irq)(struct dispc_device *dispc, - enum omap_channel channel); - u32 (*mgr_get_sync_lost_irq)(struct dispc_device *dispc, - enum omap_channel channel); - bool (*mgr_go_busy)(struct dispc_device *dispc, - enum omap_channel channel); - void (*mgr_go)(struct dispc_device *dispc, enum omap_channel channel); - void (*mgr_set_lcd_config)(struct dispc_device *dispc, - enum omap_channel channel, - const struct dss_lcd_mgr_config *config); - int (*mgr_check_timings)(struct dispc_device *dispc, - enum omap_channel channel, - const struct videomode *vm); - void (*mgr_set_timings)(struct dispc_device *dispc, - enum omap_channel channel, - const struct videomode *vm); - void (*mgr_setup)(struct dispc_device *dispc, enum omap_channel channel, - const struct omap_overlay_manager_info *info); - u32 (*mgr_gamma_size)(struct dispc_device *dispc, - enum omap_channel channel); - void (*mgr_set_gamma)(struct dispc_device *dispc, - enum omap_channel channel, - const struct drm_color_lut *lut, - unsigned int length); - - int (*ovl_enable)(struct dispc_device *dispc, enum omap_plane_id plane, - bool enable); - int (*ovl_setup)(struct dispc_device *dispc, enum omap_plane_id plane, - const struct omap_overlay_info *oi, - const struct videomode *vm, bool mem_to_mem, - enum omap_channel channel); - - const u32 *(*ovl_get_color_modes)(struct dispc_device *dispc, - enum omap_plane_id plane); - - u32 (*wb_get_framedone_irq)(struct dispc_device *dispc); - int (*wb_setup)(struct dispc_device *dispc, - const struct omap_dss_writeback_info *wi, - bool mem_to_mem, const struct videomode *vm, - enum dss_writeback_channel channel_in); - bool (*has_writeback)(struct dispc_device *dispc); - bool (*wb_go_busy)(struct dispc_device *dispc); - void (*wb_go)(struct dispc_device *dispc); -}; - struct dispc_device *dispc_get_dispc(struct dss_device *dss); -const struct dispc_ops *dispc_get_ops(struct dss_device *dss); bool omapdss_stack_is_ready(void); void omapdss_gather_components(struct device *dev); +int omap_dss_init(void); +void omap_dss_exit(void); + #endif /* __OMAP_DRM_DSS_H */ |