| /* |
| * Copyright © 2013 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| |
| #ifndef _INTEL_DSI_H |
| #define _INTEL_DSI_H |
| |
| #include <drm/drm_crtc.h> |
| #include <drm/drm_mipi_dsi.h> |
| |
| #include "intel_display_types.h" |
| |
| #define INTEL_DSI_VIDEO_MODE 0 |
| #define INTEL_DSI_COMMAND_MODE 1 |
| |
| /* Dual Link support */ |
| #define DSI_DUAL_LINK_NONE 0 |
| #define DSI_DUAL_LINK_FRONT_BACK 1 |
| #define DSI_DUAL_LINK_PIXEL_ALT 2 |
| |
| struct intel_dsi_host; |
| |
| struct intel_dsi { |
| struct intel_encoder base; |
| |
| struct intel_dsi_host *dsi_hosts[I915_MAX_PORTS]; |
| intel_wakeref_t io_wakeref[I915_MAX_PORTS]; |
| |
| /* GPIO Desc for panel and backlight control */ |
| struct gpio_desc *gpio_panel; |
| struct gpio_desc *gpio_backlight; |
| |
| struct intel_connector *attached_connector; |
| |
| /* bit mask of ports (vlv dsi) or phys (icl dsi) being driven */ |
| union { |
| u16 ports; /* VLV DSI */ |
| u16 phys; /* ICL DSI */ |
| }; |
| |
| /* virtual channel */ |
| int channel; |
| |
| /* Video mode or command mode */ |
| u16 operation_mode; |
| |
| /* number of DSI lanes */ |
| unsigned int lane_count; |
| |
| /* i2c bus associated with the slave device */ |
| int i2c_bus_num; |
| |
| /* |
| * video mode pixel format |
| * |
| * XXX: consolidate on .format in struct mipi_dsi_device. |
| */ |
| enum mipi_dsi_pixel_format pixel_format; |
| |
| /* NON_BURST_SYNC_PULSE, NON_BURST_SYNC_EVENTS, or BURST_MODE */ |
| int video_mode; |
| |
| /* eot for MIPI_EOT_DISABLE register */ |
| u8 eotp_pkt; |
| u8 clock_stop; |
| |
| u8 escape_clk_div; |
| u8 dual_link; |
| |
| /* RGB or BGR */ |
| bool bgr_enabled; |
| |
| u8 pixel_overlap; |
| u32 bw_timer; |
| u32 dphy_reg; |
| |
| /* data lanes dphy timing */ |
| u32 dphy_data_lane_reg; |
| u32 video_frmt_cfg_bits; |
| u16 lp_byte_clk; |
| |
| /* timeouts in byte clocks */ |
| u16 hs_tx_timeout; |
| u16 lp_rx_timeout; |
| u16 turn_arnd_val; |
| u16 rst_timer_val; |
| u16 hs_to_lp_count; |
| u16 clk_lp_to_hs_count; |
| u16 clk_hs_to_lp_count; |
| |
| u16 init_count; |
| u32 pclk; |
| u16 burst_mode_ratio; |
| |
| /* all delays in ms */ |
| u16 backlight_off_delay; |
| u16 backlight_on_delay; |
| u16 panel_on_delay; |
| u16 panel_off_delay; |
| u16 panel_pwr_cycle_delay; |
| ktime_t panel_power_off_time; |
| }; |
| |
| struct intel_dsi_host { |
| struct mipi_dsi_host base; |
| struct intel_dsi *intel_dsi; |
| enum port port; |
| |
| /* our little hack */ |
| struct mipi_dsi_device *device; |
| }; |
| |
| static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h) |
| { |
| return container_of(h, struct intel_dsi_host, base); |
| } |
| |
| #define for_each_dsi_port(__port, __ports_mask) \ |
| for_each_port_masked(__port, __ports_mask) |
| #define for_each_dsi_phy(__phy, __phys_mask) \ |
| for_each_phy_masked(__phy, __phys_mask) |
| |
| static inline struct intel_dsi *enc_to_intel_dsi(struct intel_encoder *encoder) |
| { |
| return container_of(&encoder->base, struct intel_dsi, base.base); |
| } |
| |
| static inline bool is_vid_mode(struct intel_dsi *intel_dsi) |
| { |
| return intel_dsi->operation_mode == INTEL_DSI_VIDEO_MODE; |
| } |
| |
| static inline bool is_cmd_mode(struct intel_dsi *intel_dsi) |
| { |
| return intel_dsi->operation_mode == INTEL_DSI_COMMAND_MODE; |
| } |
| |
| static inline u16 intel_dsi_encoder_ports(struct intel_encoder *encoder) |
| { |
| return enc_to_intel_dsi(encoder)->ports; |
| } |
| |
| int intel_dsi_bitrate(const struct intel_dsi *intel_dsi); |
| int intel_dsi_tlpx_ns(const struct intel_dsi *intel_dsi); |
| enum drm_panel_orientation |
| intel_dsi_get_panel_orientation(struct intel_connector *connector); |
| int intel_dsi_get_modes(struct drm_connector *connector); |
| enum drm_mode_status intel_dsi_mode_valid(struct drm_connector *connector, |
| struct drm_display_mode *mode); |
| struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi, |
| const struct mipi_dsi_host_ops *funcs, |
| enum port port); |
| void intel_dsi_wait_panel_power_cycle(struct intel_dsi *intel_dsi); |
| void intel_dsi_shutdown(struct intel_encoder *encoder); |
| |
| #endif /* _INTEL_DSI_H */ |