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4560 | Serge | 1 | /* |
2 | * Copyright © 2013 Intel Corporation |
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3 | * |
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4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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5 | * copy of this software and associated documentation files (the "Software"), |
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6 | * to deal in the Software without restriction, including without limitation |
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7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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8 | * and/or sell copies of the Software, and to permit persons to whom the |
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9 | * Software is furnished to do so, subject to the following conditions: |
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10 | * |
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11 | * The above copyright notice and this permission notice (including the next |
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12 | * paragraph) shall be included in all copies or substantial portions of the |
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13 | * Software. |
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14 | * |
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15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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21 | * DEALINGS IN THE SOFTWARE. |
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22 | */ |
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23 | |||
24 | #ifndef _INTEL_DSI_H |
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25 | #define _INTEL_DSI_H |
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26 | |||
27 | #include |
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28 | #include |
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29 | #include "intel_drv.h" |
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30 | |||
31 | struct intel_dsi_device { |
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32 | unsigned int panel_id; |
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33 | const char *name; |
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34 | int type; |
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35 | const struct intel_dsi_dev_ops *dev_ops; |
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36 | void *dev_priv; |
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37 | }; |
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38 | |||
39 | struct intel_dsi_dev_ops { |
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40 | bool (*init)(struct intel_dsi_device *dsi); |
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41 | |||
42 | void (*panel_reset)(struct intel_dsi_device *dsi); |
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43 | |||
44 | void (*disable_panel_power)(struct intel_dsi_device *dsi); |
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45 | |||
46 | /* one time programmable commands if needed */ |
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47 | void (*send_otp_cmds)(struct intel_dsi_device *dsi); |
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48 | |||
49 | /* This callback must be able to assume DSI commands can be sent */ |
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50 | void (*enable)(struct intel_dsi_device *dsi); |
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51 | |||
52 | /* This callback must be able to assume DSI commands can be sent */ |
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53 | void (*disable)(struct intel_dsi_device *dsi); |
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54 | |||
55 | int (*mode_valid)(struct intel_dsi_device *dsi, |
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56 | struct drm_display_mode *mode); |
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57 | |||
58 | bool (*mode_fixup)(struct intel_dsi_device *dsi, |
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59 | const struct drm_display_mode *mode, |
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60 | struct drm_display_mode *adjusted_mode); |
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61 | |||
62 | void (*mode_set)(struct intel_dsi_device *dsi, |
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63 | struct drm_display_mode *mode, |
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64 | struct drm_display_mode *adjusted_mode); |
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65 | |||
66 | enum drm_connector_status (*detect)(struct intel_dsi_device *dsi); |
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67 | |||
68 | bool (*get_hw_state)(struct intel_dsi_device *dev); |
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69 | |||
70 | struct drm_display_mode *(*get_modes)(struct intel_dsi_device *dsi); |
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71 | |||
72 | void (*destroy) (struct intel_dsi_device *dsi); |
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73 | }; |
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74 | |||
75 | struct intel_dsi { |
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76 | struct intel_encoder base; |
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77 | |||
78 | struct intel_dsi_device dev; |
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79 | |||
80 | struct intel_connector *attached_connector; |
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81 | |||
82 | /* if true, use HS mode, otherwise LP */ |
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83 | bool hs; |
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84 | |||
85 | /* virtual channel */ |
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86 | int channel; |
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87 | |||
88 | /* number of DSI lanes */ |
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89 | unsigned int lane_count; |
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90 | |||
91 | /* video mode pixel format for MIPI_DSI_FUNC_PRG register */ |
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92 | u32 pixel_format; |
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93 | |||
94 | /* video mode format for MIPI_VIDEO_MODE_FORMAT register */ |
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95 | u32 video_mode_format; |
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96 | |||
97 | /* eot for MIPI_EOT_DISABLE register */ |
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98 | u32 eot_disable; |
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99 | |||
100 | u32 port_bits; |
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101 | u32 bw_timer; |
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102 | u32 dphy_reg; |
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103 | u32 video_frmt_cfg_bits; |
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104 | u16 lp_byte_clk; |
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105 | |||
106 | /* timeouts in byte clocks */ |
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107 | u16 lp_rx_timeout; |
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108 | u16 turn_arnd_val; |
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109 | u16 rst_timer_val; |
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110 | u16 hs_to_lp_count; |
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111 | u16 clk_lp_to_hs_count; |
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112 | u16 clk_hs_to_lp_count; |
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113 | }; |
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114 | |||
115 | static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder) |
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116 | { |
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117 | return container_of(encoder, struct intel_dsi, base.base); |
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118 | } |
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119 | |||
120 | extern void vlv_enable_dsi_pll(struct intel_encoder *encoder); |
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121 | extern void vlv_disable_dsi_pll(struct intel_encoder *encoder); |
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122 | |||
123 | #endif /* _INTEL_DSI_H */ |