Jani Nikula | f5e11b0 | 2013-08-27 15:12:18 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2013 Intel Corporation |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the next |
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
| 13 | * Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 21 | * DEALINGS IN THE SOFTWARE. |
| 22 | */ |
| 23 | |
| 24 | #ifndef _INTEL_DSI_H |
| 25 | #define _INTEL_DSI_H |
| 26 | |
| 27 | #include <drm/drmP.h> |
| 28 | #include <drm/drm_crtc.h> |
Jani Nikula | 7e9804f | 2015-01-16 14:27:23 +0200 | [diff] [blame] | 29 | #include <drm/drm_mipi_dsi.h> |
Jani Nikula | f5e11b0 | 2013-08-27 15:12:18 +0300 | [diff] [blame] | 30 | #include "intel_drv.h" |
| 31 | |
Gaurav K Singh | a9da9bc | 2014-12-05 14:13:41 +0530 | [diff] [blame] | 32 | /* Dual Link support */ |
| 33 | #define DSI_DUAL_LINK_NONE 0 |
| 34 | #define DSI_DUAL_LINK_FRONT_BACK 1 |
| 35 | #define DSI_DUAL_LINK_PIXEL_ALT 2 |
| 36 | |
Jani Nikula | 7e9804f | 2015-01-16 14:27:23 +0200 | [diff] [blame] | 37 | struct intel_dsi_host; |
| 38 | |
Jani Nikula | f5e11b0 | 2013-08-27 15:12:18 +0300 | [diff] [blame] | 39 | struct intel_dsi { |
| 40 | struct intel_encoder base; |
| 41 | |
Jani Nikula | 593e062 | 2015-01-23 15:30:56 +0200 | [diff] [blame] | 42 | struct drm_panel *panel; |
Jani Nikula | 7e9804f | 2015-01-16 14:27:23 +0200 | [diff] [blame] | 43 | struct intel_dsi_host *dsi_hosts[I915_MAX_PORTS]; |
Jani Nikula | f5e11b0 | 2013-08-27 15:12:18 +0300 | [diff] [blame] | 44 | |
Shobhit Kumar | fc45e82 | 2015-06-26 14:32:09 +0530 | [diff] [blame] | 45 | /* GPIO Desc for CRC based Panel control */ |
| 46 | struct gpio_desc *gpio_panel; |
| 47 | |
Jani Nikula | f5e11b0 | 2013-08-27 15:12:18 +0300 | [diff] [blame] | 48 | struct intel_connector *attached_connector; |
| 49 | |
Jani Nikula | 17af40a | 2014-11-14 16:54:22 +0200 | [diff] [blame] | 50 | /* bit mask of ports being driven */ |
| 51 | u16 ports; |
| 52 | |
Jani Nikula | f5e11b0 | 2013-08-27 15:12:18 +0300 | [diff] [blame] | 53 | /* if true, use HS mode, otherwise LP */ |
| 54 | bool hs; |
| 55 | |
| 56 | /* virtual channel */ |
| 57 | int channel; |
| 58 | |
Shobhit Kumar | dfba2e2 | 2014-04-14 11:18:24 +0530 | [diff] [blame] | 59 | /* Video mode or command mode */ |
| 60 | u16 operation_mode; |
| 61 | |
Jani Nikula | f5e11b0 | 2013-08-27 15:12:18 +0300 | [diff] [blame] | 62 | /* number of DSI lanes */ |
| 63 | unsigned int lane_count; |
| 64 | |
Jani Nikula | 1e78aa0 | 2016-03-16 12:21:40 +0200 | [diff] [blame] | 65 | /* |
| 66 | * video mode pixel format |
| 67 | * |
| 68 | * XXX: consolidate on .format in struct mipi_dsi_device. |
| 69 | */ |
| 70 | enum mipi_dsi_pixel_format pixel_format; |
Jani Nikula | f5e11b0 | 2013-08-27 15:12:18 +0300 | [diff] [blame] | 71 | |
| 72 | /* video mode format for MIPI_VIDEO_MODE_FORMAT register */ |
| 73 | u32 video_mode_format; |
| 74 | |
| 75 | /* eot for MIPI_EOT_DISABLE register */ |
Shobhit Kumar | f1c79f1 | 2014-04-09 13:59:33 +0530 | [diff] [blame] | 76 | u8 eotp_pkt; |
| 77 | u8 clock_stop; |
Shobhit Kumar | f6da284 | 2013-12-10 12:15:00 +0530 | [diff] [blame] | 78 | |
Shobhit Kumar | f1c79f1 | 2014-04-09 13:59:33 +0530 | [diff] [blame] | 79 | u8 escape_clk_div; |
Gaurav K Singh | 369602d | 2014-12-05 14:09:28 +0530 | [diff] [blame] | 80 | u8 dual_link; |
Gaurav K Singh | a9da9bc | 2014-12-05 14:13:41 +0530 | [diff] [blame] | 81 | u8 pixel_overlap; |
Shobhit Kumar | f6da284 | 2013-12-10 12:15:00 +0530 | [diff] [blame] | 82 | u32 port_bits; |
| 83 | u32 bw_timer; |
| 84 | u32 dphy_reg; |
| 85 | u32 video_frmt_cfg_bits; |
| 86 | u16 lp_byte_clk; |
| 87 | |
| 88 | /* timeouts in byte clocks */ |
| 89 | u16 lp_rx_timeout; |
| 90 | u16 turn_arnd_val; |
| 91 | u16 rst_timer_val; |
| 92 | u16 hs_to_lp_count; |
| 93 | u16 clk_lp_to_hs_count; |
| 94 | u16 clk_hs_to_lp_count; |
Shobhit Kumar | cf4dbd2 | 2014-04-14 11:18:25 +0530 | [diff] [blame] | 95 | |
| 96 | u16 init_count; |
Shobhit Kumar | 7f0c860 | 2014-07-30 20:34:57 +0530 | [diff] [blame] | 97 | u32 pclk; |
| 98 | u16 burst_mode_ratio; |
Shobhit Kumar | df38e65 | 2014-04-14 11:18:26 +0530 | [diff] [blame] | 99 | |
| 100 | /* all delays in ms */ |
| 101 | u16 backlight_off_delay; |
| 102 | u16 backlight_on_delay; |
| 103 | u16 panel_on_delay; |
| 104 | u16 panel_off_delay; |
| 105 | u16 panel_pwr_cycle_delay; |
Jani Nikula | f5e11b0 | 2013-08-27 15:12:18 +0300 | [diff] [blame] | 106 | }; |
| 107 | |
Jani Nikula | 7e9804f | 2015-01-16 14:27:23 +0200 | [diff] [blame] | 108 | struct intel_dsi_host { |
| 109 | struct mipi_dsi_host base; |
| 110 | struct intel_dsi *intel_dsi; |
| 111 | enum port port; |
| 112 | |
| 113 | /* our little hack */ |
| 114 | struct mipi_dsi_device *device; |
| 115 | }; |
| 116 | |
| 117 | static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h) |
| 118 | { |
| 119 | return container_of(h, struct intel_dsi_host, base); |
| 120 | } |
| 121 | |
Jani Nikula | c3aeadc8 | 2016-03-15 21:51:09 +0200 | [diff] [blame] | 122 | #define for_each_dsi_port(__port, __ports_mask) for_each_port_masked(__port, __ports_mask) |
Jani Nikula | e7d7cad | 2014-11-14 16:54:21 +0200 | [diff] [blame] | 123 | |
Jani Nikula | f5e11b0 | 2013-08-27 15:12:18 +0300 | [diff] [blame] | 124 | static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder) |
| 125 | { |
| 126 | return container_of(encoder, struct intel_dsi, base.base); |
| 127 | } |
| 128 | |
Imre Deak | db18b6a | 2016-03-24 12:41:40 +0200 | [diff] [blame] | 129 | bool intel_dsi_pll_is_enabled(struct drm_i915_private *dev_priv); |
Ville Syrjälä | 47eacba | 2016-04-12 22:14:35 +0300 | [diff] [blame^] | 130 | int intel_compute_dsi_pll(struct intel_encoder *encoder, |
| 131 | struct intel_crtc_state *config); |
| 132 | void intel_enable_dsi_pll(struct intel_encoder *encoder, |
| 133 | const struct intel_crtc_state *config); |
| 134 | void intel_disable_dsi_pll(struct intel_encoder *encoder); |
| 135 | u32 intel_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp, |
| 136 | struct intel_crtc_state *config); |
| 137 | void intel_dsi_reset_clocks(struct intel_encoder *encoder, |
| 138 | enum port port); |
ymohanma | be4fc04 | 2013-08-27 23:40:56 +0300 | [diff] [blame] | 139 | |
Jani Nikula | 593e062 | 2015-01-23 15:30:56 +0200 | [diff] [blame] | 140 | struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id); |
Ramalingam C | 43367ec | 2016-04-07 14:36:06 +0530 | [diff] [blame] | 141 | enum mipi_dsi_pixel_format pixel_format_from_register_bits(u32 fmt); |
Shobhit Kumar | 2ab8b45 | 2014-05-23 21:35:27 +0530 | [diff] [blame] | 142 | |
Jani Nikula | f5e11b0 | 2013-08-27 15:12:18 +0300 | [diff] [blame] | 143 | #endif /* _INTEL_DSI_H */ |