diff options
| -rw-r--r-- | drivers/gpu/drm/msm/dsi-staging/dsi_defs.h | 357 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dsi-staging/dsi_hw.h | 39 |
2 files changed, 396 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/dsi-staging/dsi_defs.h b/drivers/gpu/drm/msm/dsi-staging/dsi_defs.h new file mode 100644 index 000000000000..ded7ed3710ee --- /dev/null +++ b/drivers/gpu/drm/msm/dsi-staging/dsi_defs.h @@ -0,0 +1,357 @@ +/* + * Copyright (c) 2016, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only 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. + * + */ + +#ifndef _DSI_DEFS_H_ +#define _DSI_DEFS_H_ + +#include <linux/types.h> + +#define DSI_H_TOTAL(t) (((t)->h_active) + ((t)->h_back_porch) + \ + ((t)->h_sync_width) + ((t)->h_front_porch)) + +#define DSI_V_TOTAL(t) (((t)->v_active) + ((t)->v_back_porch) + \ + ((t)->v_sync_width) + ((t)->v_front_porch)) + +/** + * enum dsi_pixel_format - DSI pixel formats + * @DSI_PIXEL_FORMAT_RGB565: + * @DSI_PIXEL_FORMAT_RGB666: + * @DSI_PIXEL_FORMAT_RGB666_LOOSE: + * @DSI_PIXEL_FORMAT_RGB888: + * @DSI_PIXEL_FORMAT_RGB111: + * @DSI_PIXEL_FORMAT_RGB332: + * @DSI_PIXEL_FORMAT_RGB444: + * @DSI_PIXEL_FORMAT_MAX: + */ +enum dsi_pixel_format { + DSI_PIXEL_FORMAT_RGB565 = 0, + DSI_PIXEL_FORMAT_RGB666, + DSI_PIXEL_FORMAT_RGB666_LOOSE, + DSI_PIXEL_FORMAT_RGB888, + DSI_PIXEL_FORMAT_RGB111, + DSI_PIXEL_FORMAT_RGB332, + DSI_PIXEL_FORMAT_RGB444, + DSI_PIXEL_FORMAT_MAX +}; + +/** + * enum dsi_op_mode - dsi operation mode + * @DSI_OP_VIDEO_MODE: DSI video mode operation + * @DSI_OP_CMD_MODE: DSI Command mode operation + * @DSI_OP_MODE_MAX: + */ +enum dsi_op_mode { + DSI_OP_VIDEO_MODE = 0, + DSI_OP_CMD_MODE, + DSI_OP_MODE_MAX +}; + +/** + * enum dsi_data_lanes - dsi physical lanes + * @DSI_DATA_LANE_0: Physical lane 0 + * @DSI_DATA_LANE_1: Physical lane 1 + * @DSI_DATA_LANE_2: Physical lane 2 + * @DSI_DATA_LANE_3: Physical lane 3 + * @DSI_CLOCK_LANE: Physical clock lane + */ +enum dsi_data_lanes { + DSI_DATA_LANE_0 = BIT(0), + DSI_DATA_LANE_1 = BIT(1), + DSI_DATA_LANE_2 = BIT(2), + DSI_DATA_LANE_3 = BIT(3), + DSI_CLOCK_LANE = BIT(4) +}; + +/** + * enum dsi_logical_lane - dsi logical lanes + * @DSI_LOGICAL_LANE_0: Logical lane 0 + * @DSI_LOGICAL_LANE_1: Logical lane 1 + * @DSI_LOGICAL_LANE_2: Logical lane 2 + * @DSI_LOGICAL_LANE_3: Logical lane 3 + * @DSI_LOGICAL_CLOCK_LANE: Clock lane + * @DSI_LANE_MAX: Maximum lanes supported + */ +enum dsi_logical_lane { + DSI_LOGICAL_LANE_0 = 0, + DSI_LOGICAL_LANE_1, + DSI_LOGICAL_LANE_2, + DSI_LOGICAL_LANE_3, + DSI_LOGICAL_CLOCK_LANE, + DSI_LANE_MAX +}; + +/** + * enum dsi_trigger_type - dsi trigger type + * @DSI_TRIGGER_NONE: No trigger. + * @DSI_TRIGGER_TE: TE trigger. + * @DSI_TRIGGER_SEOF: Start or End of frame. + * @DSI_TRIGGER_SW: Software trigger. + * @DSI_TRIGGER_SW_SEOF: Software trigger and start/end of frame. + * @DSI_TRIGGER_SW_TE: Software and TE triggers. + * @DSI_TRIGGER_MAX: Max trigger values. + */ +enum dsi_trigger_type { + DSI_TRIGGER_NONE = 0, + DSI_TRIGGER_TE, + DSI_TRIGGER_SEOF, + DSI_TRIGGER_SW, + DSI_TRIGGER_SW_SEOF, + DSI_TRIGGER_SW_TE, + DSI_TRIGGER_MAX +}; + +/** + * enum dsi_color_swap_mode - color swap mode + * @DSI_COLOR_SWAP_RGB: + * @DSI_COLOR_SWAP_RBG: + * @DSI_COLOR_SWAP_BGR: + * @DSI_COLOR_SWAP_BRG: + * @DSI_COLOR_SWAP_GRB: + * @DSI_COLOR_SWAP_GBR: + */ +enum dsi_color_swap_mode { + DSI_COLOR_SWAP_RGB = 0, + DSI_COLOR_SWAP_RBG, + DSI_COLOR_SWAP_BGR, + DSI_COLOR_SWAP_BRG, + DSI_COLOR_SWAP_GRB, + DSI_COLOR_SWAP_GBR +}; + +/** + * enum dsi_dfps_type - Dynamic FPS support type + * @DSI_DFPS_NONE: Dynamic FPS is not supported. + * @DSI_DFPS_SUSPEND_RESUME: + * @DSI_DFPS_IMMEDIATE_CLK: + * @DSI_DFPS_IMMEDIATE_HFP: + * @DSI_DFPS_IMMEDIATE_VFP: + * @DSI_DPFS_MAX: + */ +enum dsi_dfps_type { + DSI_DFPS_NONE = 0, + DSI_DFPS_SUSPEND_RESUME, + DSI_DFPS_IMMEDIATE_CLK, + DSI_DFPS_IMMEDIATE_HFP, + DSI_DFPS_IMMEDIATE_VFP, + DSI_DFPS_MAX +}; + +/** + * enum dsi_phy_type - DSI phy types + * @DSI_PHY_TYPE_DPHY: + * @DSI_PHY_TYPE_CPHY: + */ +enum dsi_phy_type { + DSI_PHY_TYPE_DPHY, + DSI_PHY_TYPE_CPHY +}; + +/** + * enum dsi_te_mode - dsi te source + * @DSI_TE_ON_DATA_LINK: TE read from DSI link + * @DSI_TE_ON_EXT_PIN: TE signal on an external GPIO + */ +enum dsi_te_mode { + DSI_TE_ON_DATA_LINK = 0, + DSI_TE_ON_EXT_PIN, +}; + +/** + * enum dsi_video_traffic_mode - video mode pixel transmission type + * @DSI_VIDEO_TRAFFIC_SYNC_PULSES: Non-burst mode with sync pulses. + * @DSI_VIDEO_TRAFFIC_SYNC_START_EVENTS: Non-burst mode with sync start events. + * @DSI_VIDEO_TRAFFIC_BURST_MODE: Burst mode using sync start events. + */ +enum dsi_video_traffic_mode { + DSI_VIDEO_TRAFFIC_SYNC_PULSES = 0, + DSI_VIDEO_TRAFFIC_SYNC_START_EVENTS, + DSI_VIDEO_TRAFFIC_BURST_MODE, +}; + +/** + * struct dsi_mode_info - video mode information dsi frame + * @h_active: Active width of one frame in pixels. + * @h_back_porch: Horizontal back porch in pixels. + * @h_sync_width: HSYNC width in pixels. + * @h_front_porch: Horizontal fron porch in pixels. + * @h_skew: + * @h_sync_polarity: Polarity of HSYNC (false is active low). + * @v_active: Active height of one frame in lines. + * @v_back_porch: Vertical back porch in lines. + * @v_sync_width: VSYNC width in lines. + * @v_front_porch: Vertical front porch in lines. + * @v_sync_polarity: Polarity of VSYNC (false is active low). + * @refresh_rate: Refresh rate in Hz. + */ +struct dsi_mode_info { + u32 h_active; + u32 h_back_porch; + u32 h_sync_width; + u32 h_front_porch; + u32 h_skew; + bool h_sync_polarity; + + u32 v_active; + u32 v_back_porch; + u32 v_sync_width; + u32 v_front_porch; + bool v_sync_polarity; + + u32 refresh_rate; +}; + +/** + * struct dsi_lane_mapping - Mapping between DSI logical and physical lanes + * @physical_lane0: Logical lane to which physical lane 0 is mapped. + * @physical_lane1: Logical lane to which physical lane 1 is mapped. + * @physical_lane2: Logical lane to which physical lane 2 is mapped. + * @physical_lane3: Logical lane to which physical lane 3 is mapped. + */ +struct dsi_lane_mapping { + enum dsi_logical_lane physical_lane0; + enum dsi_logical_lane physical_lane1; + enum dsi_logical_lane physical_lane2; + enum dsi_logical_lane physical_lane3; +}; + +/** + * struct dsi_host_common_cfg - Host configuration common to video and cmd mode + * @dst_format: Destination pixel format. + * @data_lanes: Physical data lanes to be enabled. + * @en_crc_check: Enable CRC checks. + * @en_ecc_check: Enable ECC checks. + * @te_mode: Source for TE signalling. + * @mdp_cmd_trigger: MDP frame update trigger for command mode. + * @dma_cmd_trigger: Command DMA trigger. + * @cmd_trigger_stream: Command mode stream to trigger. + * @bit_swap_read: Is red color bit swapped. + * @bit_swap_green: Is green color bit swapped. + * @bit_swap_blue: Is blue color bit swapped. + * @t_clk_post: Number of byte clock cycles that the transmitter shall + * continue sending after last data lane has transitioned + * to LP mode. + * @t_clk_pre: Number of byte clock cycles that the high spped clock + * shall be driven prior to data lane transitions from LP + * to HS mode. + * @ignore_rx_eot: Ignore Rx EOT packets if set to true. + * @append_tx_eot: Append EOT packets for forward transmissions if set to + * true. + */ +struct dsi_host_common_cfg { + enum dsi_pixel_format dst_format; + enum dsi_data_lanes data_lanes; + bool en_crc_check; + bool en_ecc_check; + enum dsi_te_mode te_mode; + enum dsi_trigger_type mdp_cmd_trigger; + enum dsi_trigger_type dma_cmd_trigger; + u32 cmd_trigger_stream; + enum dsi_color_swap_mode swap_mode; + bool bit_swap_red; + bool bit_swap_green; + bool bit_swap_blue; + u32 t_clk_post; + u32 t_clk_pre; + bool ignore_rx_eot; + bool append_tx_eot; +}; + +/** + * struct dsi_video_engine_cfg - DSI video engine configuration + * @host_cfg: Pointer to host common configuration. + * @last_line_interleave_en: Allow command mode op interleaved on last line of + * video stream. + * @pulse_mode_hsa_he: Send HSA and HE following VS/VE packet if set to + * true. + * @hfp_lp11_en: Enter low power stop mode (LP-11) during HFP. + * @hbp_lp11_en: Enter low power stop mode (LP-11) during HBP. + * @hsa_lp11_en: Enter low power stop mode (LP-11) during HSA. + * @eof_bllp_lp11_en: Enter low power stop mode (LP-11) during BLLP of + * last line of a frame. + * @bllp_lp11_en: Enter low power stop mode (LP-11) during BLLP. + * @traffic_mode: Traffic mode for video stream. + * @vc_id: Virtual channel identifier. + */ +struct dsi_video_engine_cfg { + bool last_line_interleave_en; + bool pulse_mode_hsa_he; + bool hfp_lp11_en; + bool hbp_lp11_en; + bool hsa_lp11_en; + bool eof_bllp_lp11_en; + bool bllp_lp11_en; + enum dsi_video_traffic_mode traffic_mode; + u32 vc_id; +}; + +/** + * struct dsi_cmd_engine_cfg - DSI command engine configuration + * @host_cfg: Pointer to host common configuration. + * @host_cfg: Common host configuration + * @max_cmd_packets_interleave Maximum number of command mode RGB packets to + * send with in one horizontal blanking period + * of the video mode frame. + * @wr_mem_start: DCS command for write_memory_start. + * @wr_mem_continue: DCS command for write_memory_continue. + * @insert_dcs_command: Insert DCS command as first byte of payload + * of the pixel data. + */ +struct dsi_cmd_engine_cfg { + u32 max_cmd_packets_interleave; + u32 wr_mem_start; + u32 wr_mem_continue; + bool insert_dcs_command; +}; + +/** + * struct dsi_host_config - DSI host configuration parameters. + * @panel_mode: Operation mode for panel (video or cmd mode). + * @common_config: Host configuration common to both Video and Cmd mode. + * @video_engine: Video engine configuration if panel is in video mode. + * @cmd_engine: Cmd engine configuration if panel is in cmd mode. + * @esc_clk_rate_khz: Esc clock frequency in Hz. + * @bit_clk_rate_hz: Bit clock frequency in Hz. + * @video_timing: Video timing information of a frame. + * @lane_map: Mapping between logical and physical lanes. + * @phy_type: PHY type to be used. + */ +struct dsi_host_config { + enum dsi_op_mode panel_mode; + struct dsi_host_common_cfg common_config; + union { + struct dsi_video_engine_cfg video_engine; + struct dsi_cmd_engine_cfg cmd_engine; + } u; + u64 esc_clk_rate_hz; + u64 bit_clk_rate_hz; + struct dsi_mode_info video_timing; + struct dsi_lane_mapping lane_map; +}; + +/** + * struct dsi_display_mode - specifies mode for dsi display + * @timing: Timing parameters for the panel. + * @pixel_clk_khz: Pixel clock in Khz. + * @panel_mode: Panel operation mode. + * @flags: Additional flags. + */ +struct dsi_display_mode { + struct dsi_mode_info timing; + u32 pixel_clk_khz; + enum dsi_op_mode panel_mode; + + u32 flags; +}; + +#endif /* _DSI_DEFS_H_ */ diff --git a/drivers/gpu/drm/msm/dsi-staging/dsi_hw.h b/drivers/gpu/drm/msm/dsi-staging/dsi_hw.h new file mode 100644 index 000000000000..01535c02a7f8 --- /dev/null +++ b/drivers/gpu/drm/msm/dsi-staging/dsi_hw.h @@ -0,0 +1,39 @@ +/* + * Copyright (c) 2016, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only 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. + * + */ + +#ifndef _DSI_HW_H_ +#define _DSI_HW_H_ +#include <linux/io.h> + +#define DSI_R32(dsi_hw, off) readl_relaxed((dsi_hw)->base + (off)) +#define DSI_W32(dsi_hw, off, val) \ + do {\ + pr_debug("[DSI_%d][%s] - [0x%08x]\n", \ + (dsi_hw)->index, #off, val); \ + writel_relaxed((val), (dsi_hw)->base + (off)); \ + } while (0) + +#define DSI_MMSS_MISC_R32(dsi_hw, off) \ + readl_relaxed((dsi_hw)->mmss_misc_base + (off)) +#define DSI_MMSS_MISC_W32(dsi_hw, off, val) \ + do {\ + pr_debug("[DSI_%d][%s] - [0x%08x]\n", \ + (dsi_hw)->index, #off, val); \ + writel_relaxed((val), (dsi_hw)->mmss_misc_base + (off)); \ + } while (0) + +#define DSI_R64(dsi_hw, off) readq_relaxed((dsi_hw)->base + (off)) +#define DSI_W64(dsi_hw, off, val) writeq_relaxed((val), (dsi_hw)->base + (off)) + +#endif /* _DSI_HW_H_ */ |