Line data    Source code

       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 <dev/pci/drm/drmP.h>
      28             : #include <dev/pci/drm/drm_crtc.h>
      29             : #include <dev/pci/drm/drm_mipi_dsi.h>
      30             : #include "intel_drv.h"
      31             : 
      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             : 
      37             : struct intel_dsi_host;
      38             : 
      39             : struct intel_dsi {
      40             :         struct intel_encoder base;
      41             : 
      42             :         struct drm_panel *panel;
      43             :         struct intel_dsi_host *dsi_hosts[I915_MAX_PORTS];
      44             : 
      45             :         /* GPIO Desc for CRC based Panel control */
      46             :         struct gpio_desc *gpio_panel;
      47             : 
      48             :         struct intel_connector *attached_connector;
      49             : 
      50             :         /* bit mask of ports being driven */
      51             :         u16 ports;
      52             : 
      53             :         /* if true, use HS mode, otherwise LP */
      54             :         bool hs;
      55             : 
      56             :         /* virtual channel */
      57             :         int channel;
      58             : 
      59             :         /* Video mode or command mode */
      60             :         u16 operation_mode;
      61             : 
      62             :         /* number of DSI lanes */
      63             :         unsigned int lane_count;
      64             : 
      65             :         /* video mode pixel format for MIPI_DSI_FUNC_PRG register */
      66             :         u32 pixel_format;
      67             : 
      68             :         /* video mode format for MIPI_VIDEO_MODE_FORMAT register */
      69             :         u32 video_mode_format;
      70             : 
      71             :         /* eot for MIPI_EOT_DISABLE register */
      72             :         u8 eotp_pkt;
      73             :         u8 clock_stop;
      74             : 
      75             :         u8 escape_clk_div;
      76             :         u8 dual_link;
      77             :         u8 pixel_overlap;
      78             :         u32 port_bits;
      79             :         u32 bw_timer;
      80             :         u32 dphy_reg;
      81             :         u32 video_frmt_cfg_bits;
      82             :         u16 lp_byte_clk;
      83             : 
      84             :         /* timeouts in byte clocks */
      85             :         u16 lp_rx_timeout;
      86             :         u16 turn_arnd_val;
      87             :         u16 rst_timer_val;
      88             :         u16 hs_to_lp_count;
      89             :         u16 clk_lp_to_hs_count;
      90             :         u16 clk_hs_to_lp_count;
      91             : 
      92             :         u16 init_count;
      93             :         u32 pclk;
      94             :         u16 burst_mode_ratio;
      95             : 
      96             :         /* all delays in ms */
      97             :         u16 backlight_off_delay;
      98             :         u16 backlight_on_delay;
      99             :         u16 panel_on_delay;
     100             :         u16 panel_off_delay;
     101             :         u16 panel_pwr_cycle_delay;
     102             : };
     103             : 
     104             : struct intel_dsi_host {
     105             :         struct mipi_dsi_host base;
     106             :         struct intel_dsi *intel_dsi;
     107             :         enum port port;
     108             : 
     109             :         /* our little hack */
     110             :         struct mipi_dsi_device *device;
     111             : };
     112             : 
     113           0 : static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h)
     114             : {
     115           0 :         return container_of(h, struct intel_dsi_host, base);
     116             : }
     117             : 
     118             : #define for_each_dsi_port(__port, __ports_mask) \
     119             :         for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++)       \
     120             :                 if ((__ports_mask) & (1 << (__port)))
     121             : 
     122           0 : static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)
     123             : {
     124           0 :         return container_of(encoder, struct intel_dsi, base.base);
     125             : }
     126             : 
     127             : extern void intel_enable_dsi_pll(struct intel_encoder *encoder);
     128             : extern void intel_disable_dsi_pll(struct intel_encoder *encoder);
     129             : extern u32 vlv_get_dsi_pclk(struct intel_encoder *encoder, int pipe_bpp);
     130             : extern u32 bxt_get_dsi_pclk(struct intel_encoder *encoder, int pipe_bpp);
     131             : extern void intel_dsi_reset_clocks(struct intel_encoder *encoder,
     132             :                                                         enum port port);
     133             : 
     134             : struct drm_panel *vbt_panel_init(struct intel_dsi *intel_dsi, u16 panel_id);
     135             : 
     136             : #endif /* _INTEL_DSI_H */