2833 lines
89 KiB
C
2833 lines
89 KiB
C
/*
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* Copyright 2006 Dave Airlie <airlied@linux.ie>
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* Copyright © 2006-2007 Intel Corporation
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* Jesse Barnes <jesse.barnes@intel.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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*/
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#include <linux/i2c.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/export.h>
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#include <drm/drmP.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_edid.h>
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#include "intel_drv.h"
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#include <drm/i915_drm.h>
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#include "i915_drv.h"
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#include "intel_sdvo_regs.h"
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unsigned int hweight16(unsigned int w)
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{
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unsigned int res = w - ((w >> 1) & 0x5555);
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res = (res & 0x3333) + ((res >> 2) & 0x3333);
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res = (res + (res >> 4)) & 0x0F0F;
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return (res + (res >> 8)) & 0x00FF;
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}
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#define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1)
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#define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1)
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#define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1)
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#define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0)
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#define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\
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SDVO_TV_MASK)
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#define IS_TV(c) (c->output_flag & SDVO_TV_MASK)
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#define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK)
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#define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK)
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#define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK))
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#define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK))
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static const char *tv_format_names[] = {
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"NTSC_M" , "NTSC_J" , "NTSC_443",
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"PAL_B" , "PAL_D" , "PAL_G" ,
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"PAL_H" , "PAL_I" , "PAL_M" ,
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"PAL_N" , "PAL_NC" , "PAL_60" ,
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"SECAM_B" , "SECAM_D" , "SECAM_G" ,
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"SECAM_K" , "SECAM_K1", "SECAM_L" ,
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"SECAM_60"
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};
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#define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names))
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struct intel_sdvo {
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struct intel_encoder base;
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struct i2c_adapter *i2c;
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u8 slave_addr;
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struct i2c_adapter ddc;
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/* Register for the SDVO device: SDVOB or SDVOC */
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uint32_t sdvo_reg;
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/* Active outputs controlled by this SDVO output */
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uint16_t controlled_output;
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/*
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* Capabilities of the SDVO device returned by
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* i830_sdvo_get_capabilities()
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*/
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struct intel_sdvo_caps caps;
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/* Pixel clock limitations reported by the SDVO device, in kHz */
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int pixel_clock_min, pixel_clock_max;
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/*
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* For multiple function SDVO device,
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* this is for current attached outputs.
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*/
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uint16_t attached_output;
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/*
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* Hotplug activation bits for this device
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*/
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uint16_t hotplug_active;
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/**
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* This is used to select the color range of RBG outputs in HDMI mode.
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* It is only valid when using TMDS encoding and 8 bit per color mode.
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*/
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uint32_t color_range;
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/**
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* This is set if we're going to treat the device as TV-out.
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*
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* While we have these nice friendly flags for output types that ought
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* to decide this for us, the S-Video output on our HDMI+S-Video card
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* shows up as RGB1 (VGA).
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*/
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bool is_tv;
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/* On different gens SDVOB is at different places. */
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bool is_sdvob;
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/* This is for current tv format name */
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int tv_format_index;
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/**
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* This is set if we treat the device as HDMI, instead of DVI.
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*/
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bool is_hdmi;
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bool has_hdmi_monitor;
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bool has_hdmi_audio;
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/**
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* This is set if we detect output of sdvo device as LVDS and
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* have a valid fixed mode to use with the panel.
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*/
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bool is_lvds;
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/**
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* This is sdvo fixed pannel mode pointer
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*/
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struct drm_display_mode *sdvo_lvds_fixed_mode;
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/* DDC bus used by this SDVO encoder */
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uint8_t ddc_bus;
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/*
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* the sdvo flag gets lost in round trip: dtd->adjusted_mode->dtd
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*/
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uint8_t dtd_sdvo_flags;
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};
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struct intel_sdvo_connector {
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struct intel_connector base;
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/* Mark the type of connector */
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uint16_t output_flag;
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enum hdmi_force_audio force_audio;
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/* This contains all current supported TV format */
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u8 tv_format_supported[TV_FORMAT_NUM];
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int format_supported_num;
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struct drm_property *tv_format;
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/* add the property for the SDVO-TV */
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struct drm_property *left;
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struct drm_property *right;
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struct drm_property *top;
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struct drm_property *bottom;
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struct drm_property *hpos;
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struct drm_property *vpos;
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struct drm_property *contrast;
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struct drm_property *saturation;
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struct drm_property *hue;
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struct drm_property *sharpness;
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struct drm_property *flicker_filter;
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struct drm_property *flicker_filter_adaptive;
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struct drm_property *flicker_filter_2d;
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struct drm_property *tv_chroma_filter;
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struct drm_property *tv_luma_filter;
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struct drm_property *dot_crawl;
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/* add the property for the SDVO-TV/LVDS */
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struct drm_property *brightness;
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/* Add variable to record current setting for the above property */
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u32 left_margin, right_margin, top_margin, bottom_margin;
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/* this is to get the range of margin.*/
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u32 max_hscan, max_vscan;
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u32 max_hpos, cur_hpos;
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u32 max_vpos, cur_vpos;
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u32 cur_brightness, max_brightness;
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u32 cur_contrast, max_contrast;
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u32 cur_saturation, max_saturation;
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u32 cur_hue, max_hue;
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u32 cur_sharpness, max_sharpness;
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u32 cur_flicker_filter, max_flicker_filter;
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u32 cur_flicker_filter_adaptive, max_flicker_filter_adaptive;
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u32 cur_flicker_filter_2d, max_flicker_filter_2d;
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u32 cur_tv_chroma_filter, max_tv_chroma_filter;
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u32 cur_tv_luma_filter, max_tv_luma_filter;
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u32 cur_dot_crawl, max_dot_crawl;
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};
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static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder)
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{
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return container_of(encoder, struct intel_sdvo, base.base);
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}
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static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
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{
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return container_of(intel_attached_encoder(connector),
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struct intel_sdvo, base);
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}
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static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector)
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{
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return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base);
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}
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static bool
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intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags);
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static bool
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intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
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struct intel_sdvo_connector *intel_sdvo_connector,
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int type);
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static bool
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intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
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struct intel_sdvo_connector *intel_sdvo_connector);
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/**
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* Writes the SDVOB or SDVOC with the given value, but always writes both
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* SDVOB and SDVOC to work around apparent hardware issues (according to
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* comments in the BIOS).
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*/
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static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val)
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{
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struct drm_device *dev = intel_sdvo->base.base.dev;
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struct drm_i915_private *dev_priv = dev->dev_private;
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u32 bval = val, cval = val;
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int i;
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if (intel_sdvo->sdvo_reg == PCH_SDVOB) {
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I915_WRITE(intel_sdvo->sdvo_reg, val);
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I915_READ(intel_sdvo->sdvo_reg);
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return;
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}
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if (intel_sdvo->sdvo_reg == SDVOB) {
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cval = I915_READ(SDVOC);
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} else {
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bval = I915_READ(SDVOB);
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}
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/*
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* Write the registers twice for luck. Sometimes,
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* writing them only once doesn't appear to 'stick'.
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* The BIOS does this too. Yay, magic
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*/
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for (i = 0; i < 2; i++)
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{
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I915_WRITE(SDVOB, bval);
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I915_READ(SDVOB);
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I915_WRITE(SDVOC, cval);
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I915_READ(SDVOC);
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}
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}
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static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
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{
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struct i2c_msg msgs[] = {
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{
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.addr = intel_sdvo->slave_addr,
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.flags = 0,
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.len = 1,
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.buf = &addr,
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},
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{
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.addr = intel_sdvo->slave_addr,
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.flags = I2C_M_RD,
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.len = 1,
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.buf = ch,
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}
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};
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int ret;
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if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2)
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return true;
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DRM_DEBUG_KMS("i2c transfer returned %d\n", ret);
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return false;
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}
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#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
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/** Mapping of command numbers to names, for debug output */
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static const struct _sdvo_cmd_name {
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u8 cmd;
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const char *name;
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} sdvo_cmd_names[] = {
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
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/* Add the op code for SDVO enhancements */
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
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/* HDMI op code */
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
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SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
|
|
SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
|
|
SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
|
|
SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
|
|
SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
|
|
SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
|
|
SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
|
|
SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
|
|
SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
|
|
SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
|
|
SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
|
|
};
|
|
|
|
#define SDVO_NAME(svdo) ((svdo)->is_sdvob ? "SDVOB" : "SDVOC")
|
|
|
|
static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
|
|
const void *args, int args_len)
|
|
{
|
|
int i;
|
|
|
|
DRM_DEBUG_KMS("%s: W: %02X ",
|
|
SDVO_NAME(intel_sdvo), cmd);
|
|
for (i = 0; i < args_len; i++)
|
|
DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
|
|
for (; i < 8; i++)
|
|
DRM_LOG_KMS(" ");
|
|
for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
|
|
if (cmd == sdvo_cmd_names[i].cmd) {
|
|
DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
|
|
break;
|
|
}
|
|
}
|
|
if (i == ARRAY_SIZE(sdvo_cmd_names))
|
|
DRM_LOG_KMS("(%02X)", cmd);
|
|
DRM_LOG_KMS("\n");
|
|
}
|
|
|
|
static const char *cmd_status_names[] = {
|
|
"Power on",
|
|
"Success",
|
|
"Not supported",
|
|
"Invalid arg",
|
|
"Pending",
|
|
"Target not specified",
|
|
"Scaling not supported"
|
|
};
|
|
|
|
static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
|
|
const void *args, int args_len)
|
|
{
|
|
u8 *buf, status;
|
|
struct i2c_msg *msgs;
|
|
int i, ret = true;
|
|
|
|
/* Would be simpler to allocate both in one go ? */
|
|
buf = (u8 *)kzalloc(args_len * 2 + 2, GFP_KERNEL);
|
|
if (!buf)
|
|
return false;
|
|
|
|
msgs = kcalloc(args_len + 3, sizeof(*msgs), GFP_KERNEL);
|
|
if (!msgs) {
|
|
kfree(buf);
|
|
return false;
|
|
}
|
|
|
|
intel_sdvo_debug_write(intel_sdvo, cmd, args, args_len);
|
|
|
|
for (i = 0; i < args_len; i++) {
|
|
msgs[i].addr = intel_sdvo->slave_addr;
|
|
msgs[i].flags = 0;
|
|
msgs[i].len = 2;
|
|
msgs[i].buf = buf + 2 *i;
|
|
buf[2*i + 0] = SDVO_I2C_ARG_0 - i;
|
|
buf[2*i + 1] = ((u8*)args)[i];
|
|
}
|
|
msgs[i].addr = intel_sdvo->slave_addr;
|
|
msgs[i].flags = 0;
|
|
msgs[i].len = 2;
|
|
msgs[i].buf = buf + 2*i;
|
|
buf[2*i + 0] = SDVO_I2C_OPCODE;
|
|
buf[2*i + 1] = cmd;
|
|
|
|
/* the following two are to read the response */
|
|
status = SDVO_I2C_CMD_STATUS;
|
|
msgs[i+1].addr = intel_sdvo->slave_addr;
|
|
msgs[i+1].flags = 0;
|
|
msgs[i+1].len = 1;
|
|
msgs[i+1].buf = &status;
|
|
|
|
msgs[i+2].addr = intel_sdvo->slave_addr;
|
|
msgs[i+2].flags = I2C_M_RD;
|
|
msgs[i+2].len = 1;
|
|
msgs[i+2].buf = &status;
|
|
|
|
ret = i2c_transfer(intel_sdvo->i2c, msgs, i+3);
|
|
if (ret < 0) {
|
|
DRM_DEBUG_KMS("I2c transfer returned %d\n", ret);
|
|
ret = false;
|
|
goto out;
|
|
}
|
|
if (ret != i+3) {
|
|
/* failure in I2C transfer */
|
|
DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3);
|
|
ret = false;
|
|
}
|
|
|
|
out:
|
|
kfree(msgs);
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
|
|
void *response, int response_len)
|
|
{
|
|
u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
|
|
u8 status;
|
|
int i;
|
|
|
|
DRM_DEBUG_KMS("%s: R: ", SDVO_NAME(intel_sdvo));
|
|
|
|
/*
|
|
* The documentation states that all commands will be
|
|
* processed within 15µs, and that we need only poll
|
|
* the status byte a maximum of 3 times in order for the
|
|
* command to be complete.
|
|
*
|
|
* Check 5 times in case the hardware failed to read the docs.
|
|
*
|
|
* Also beware that the first response by many devices is to
|
|
* reply PENDING and stall for time. TVs are notorious for
|
|
* requiring longer than specified to complete their replies.
|
|
* Originally (in the DDX long ago), the delay was only ever 15ms
|
|
* with an additional delay of 30ms applied for TVs added later after
|
|
* many experiments. To accommodate both sets of delays, we do a
|
|
* sequence of slow checks if the device is falling behind and fails
|
|
* to reply within 5*15µs.
|
|
*/
|
|
if (!intel_sdvo_read_byte(intel_sdvo,
|
|
SDVO_I2C_CMD_STATUS,
|
|
&status))
|
|
goto log_fail;
|
|
|
|
while (status == SDVO_CMD_STATUS_PENDING && --retry) {
|
|
if (retry < 10)
|
|
msleep(15);
|
|
else
|
|
udelay(15);
|
|
|
|
if (!intel_sdvo_read_byte(intel_sdvo,
|
|
SDVO_I2C_CMD_STATUS,
|
|
&status))
|
|
goto log_fail;
|
|
}
|
|
|
|
if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
|
|
DRM_LOG_KMS("(%s)", cmd_status_names[status]);
|
|
else
|
|
DRM_LOG_KMS("(??? %d)", status);
|
|
|
|
if (status != SDVO_CMD_STATUS_SUCCESS)
|
|
goto log_fail;
|
|
|
|
/* Read the command response */
|
|
for (i = 0; i < response_len; i++) {
|
|
if (!intel_sdvo_read_byte(intel_sdvo,
|
|
SDVO_I2C_RETURN_0 + i,
|
|
&((u8 *)response)[i]))
|
|
goto log_fail;
|
|
DRM_LOG_KMS(" %02X", ((u8 *)response)[i]);
|
|
}
|
|
DRM_LOG_KMS("\n");
|
|
return true;
|
|
|
|
log_fail:
|
|
DRM_LOG_KMS("... failed\n");
|
|
return false;
|
|
}
|
|
|
|
static int intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
|
|
{
|
|
if (mode->clock >= 100000)
|
|
return 1;
|
|
else if (mode->clock >= 50000)
|
|
return 2;
|
|
else
|
|
return 4;
|
|
}
|
|
|
|
static bool intel_sdvo_set_control_bus_switch(struct intel_sdvo *intel_sdvo,
|
|
u8 ddc_bus)
|
|
{
|
|
/* This must be the immediately preceding write before the i2c xfer */
|
|
return intel_sdvo_write_cmd(intel_sdvo,
|
|
SDVO_CMD_SET_CONTROL_BUS_SWITCH,
|
|
&ddc_bus, 1);
|
|
}
|
|
|
|
static bool intel_sdvo_set_value(struct intel_sdvo *intel_sdvo, u8 cmd, const void *data, int len)
|
|
{
|
|
if (!intel_sdvo_write_cmd(intel_sdvo, cmd, data, len))
|
|
return false;
|
|
|
|
return intel_sdvo_read_response(intel_sdvo, NULL, 0);
|
|
}
|
|
|
|
static bool
|
|
intel_sdvo_get_value(struct intel_sdvo *intel_sdvo, u8 cmd, void *value, int len)
|
|
{
|
|
if (!intel_sdvo_write_cmd(intel_sdvo, cmd, NULL, 0))
|
|
return false;
|
|
|
|
return intel_sdvo_read_response(intel_sdvo, value, len);
|
|
}
|
|
|
|
static bool intel_sdvo_set_target_input(struct intel_sdvo *intel_sdvo)
|
|
{
|
|
struct intel_sdvo_set_target_input_args targets = {0};
|
|
return intel_sdvo_set_value(intel_sdvo,
|
|
SDVO_CMD_SET_TARGET_INPUT,
|
|
&targets, sizeof(targets));
|
|
}
|
|
|
|
/**
|
|
* Return whether each input is trained.
|
|
*
|
|
* This function is making an assumption about the layout of the response,
|
|
* which should be checked against the docs.
|
|
*/
|
|
static bool intel_sdvo_get_trained_inputs(struct intel_sdvo *intel_sdvo, bool *input_1, bool *input_2)
|
|
{
|
|
struct intel_sdvo_get_trained_inputs_response response;
|
|
|
|
BUILD_BUG_ON(sizeof(response) != 1);
|
|
if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_TRAINED_INPUTS,
|
|
&response, sizeof(response)))
|
|
return false;
|
|
|
|
*input_1 = response.input0_trained;
|
|
*input_2 = response.input1_trained;
|
|
return true;
|
|
}
|
|
|
|
static bool intel_sdvo_set_active_outputs(struct intel_sdvo *intel_sdvo,
|
|
u16 outputs)
|
|
{
|
|
return intel_sdvo_set_value(intel_sdvo,
|
|
SDVO_CMD_SET_ACTIVE_OUTPUTS,
|
|
&outputs, sizeof(outputs));
|
|
}
|
|
|
|
static bool intel_sdvo_get_active_outputs(struct intel_sdvo *intel_sdvo,
|
|
u16 *outputs)
|
|
{
|
|
return intel_sdvo_get_value(intel_sdvo,
|
|
SDVO_CMD_GET_ACTIVE_OUTPUTS,
|
|
outputs, sizeof(*outputs));
|
|
}
|
|
|
|
static bool intel_sdvo_set_encoder_power_state(struct intel_sdvo *intel_sdvo,
|
|
int mode)
|
|
{
|
|
u8 state = SDVO_ENCODER_STATE_ON;
|
|
|
|
switch (mode) {
|
|
case DRM_MODE_DPMS_ON:
|
|
state = SDVO_ENCODER_STATE_ON;
|
|
break;
|
|
case DRM_MODE_DPMS_STANDBY:
|
|
state = SDVO_ENCODER_STATE_STANDBY;
|
|
break;
|
|
case DRM_MODE_DPMS_SUSPEND:
|
|
state = SDVO_ENCODER_STATE_SUSPEND;
|
|
break;
|
|
case DRM_MODE_DPMS_OFF:
|
|
state = SDVO_ENCODER_STATE_OFF;
|
|
break;
|
|
}
|
|
|
|
return intel_sdvo_set_value(intel_sdvo,
|
|
SDVO_CMD_SET_ENCODER_POWER_STATE, &state, sizeof(state));
|
|
}
|
|
|
|
static bool intel_sdvo_get_input_pixel_clock_range(struct intel_sdvo *intel_sdvo,
|
|
int *clock_min,
|
|
int *clock_max)
|
|
{
|
|
struct intel_sdvo_pixel_clock_range clocks;
|
|
|
|
BUILD_BUG_ON(sizeof(clocks) != 4);
|
|
if (!intel_sdvo_get_value(intel_sdvo,
|
|
SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE,
|
|
&clocks, sizeof(clocks)))
|
|
return false;
|
|
|
|
/* Convert the values from units of 10 kHz to kHz. */
|
|
*clock_min = clocks.min * 10;
|
|
*clock_max = clocks.max * 10;
|
|
return true;
|
|
}
|
|
|
|
static bool intel_sdvo_set_target_output(struct intel_sdvo *intel_sdvo,
|
|
u16 outputs)
|
|
{
|
|
return intel_sdvo_set_value(intel_sdvo,
|
|
SDVO_CMD_SET_TARGET_OUTPUT,
|
|
&outputs, sizeof(outputs));
|
|
}
|
|
|
|
static bool intel_sdvo_set_timing(struct intel_sdvo *intel_sdvo, u8 cmd,
|
|
struct intel_sdvo_dtd *dtd)
|
|
{
|
|
return intel_sdvo_set_value(intel_sdvo, cmd, &dtd->part1, sizeof(dtd->part1)) &&
|
|
intel_sdvo_set_value(intel_sdvo, cmd + 1, &dtd->part2, sizeof(dtd->part2));
|
|
}
|
|
|
|
static bool intel_sdvo_set_input_timing(struct intel_sdvo *intel_sdvo,
|
|
struct intel_sdvo_dtd *dtd)
|
|
{
|
|
return intel_sdvo_set_timing(intel_sdvo,
|
|
SDVO_CMD_SET_INPUT_TIMINGS_PART1, dtd);
|
|
}
|
|
|
|
static bool intel_sdvo_set_output_timing(struct intel_sdvo *intel_sdvo,
|
|
struct intel_sdvo_dtd *dtd)
|
|
{
|
|
return intel_sdvo_set_timing(intel_sdvo,
|
|
SDVO_CMD_SET_OUTPUT_TIMINGS_PART1, dtd);
|
|
}
|
|
|
|
static bool
|
|
intel_sdvo_create_preferred_input_timing(struct intel_sdvo *intel_sdvo,
|
|
uint16_t clock,
|
|
uint16_t width,
|
|
uint16_t height)
|
|
{
|
|
struct intel_sdvo_preferred_input_timing_args args;
|
|
|
|
memset(&args, 0, sizeof(args));
|
|
args.clock = clock;
|
|
args.width = width;
|
|
args.height = height;
|
|
args.interlace = 0;
|
|
|
|
if (intel_sdvo->is_lvds &&
|
|
(intel_sdvo->sdvo_lvds_fixed_mode->hdisplay != width ||
|
|
intel_sdvo->sdvo_lvds_fixed_mode->vdisplay != height))
|
|
args.scaled = 1;
|
|
|
|
return intel_sdvo_set_value(intel_sdvo,
|
|
SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING,
|
|
&args, sizeof(args));
|
|
}
|
|
|
|
static bool intel_sdvo_get_preferred_input_timing(struct intel_sdvo *intel_sdvo,
|
|
struct intel_sdvo_dtd *dtd)
|
|
{
|
|
BUILD_BUG_ON(sizeof(dtd->part1) != 8);
|
|
BUILD_BUG_ON(sizeof(dtd->part2) != 8);
|
|
return intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1,
|
|
&dtd->part1, sizeof(dtd->part1)) &&
|
|
intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2,
|
|
&dtd->part2, sizeof(dtd->part2));
|
|
}
|
|
|
|
static bool intel_sdvo_set_clock_rate_mult(struct intel_sdvo *intel_sdvo, u8 val)
|
|
{
|
|
return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_CLOCK_RATE_MULT, &val, 1);
|
|
}
|
|
|
|
static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
|
|
const struct drm_display_mode *mode)
|
|
{
|
|
uint16_t width, height;
|
|
uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
|
|
uint16_t h_sync_offset, v_sync_offset;
|
|
int mode_clock;
|
|
|
|
width = mode->hdisplay;
|
|
height = mode->vdisplay;
|
|
|
|
/* do some mode translations */
|
|
h_blank_len = mode->htotal - mode->hdisplay;
|
|
h_sync_len = mode->hsync_end - mode->hsync_start;
|
|
|
|
v_blank_len = mode->vtotal - mode->vdisplay;
|
|
v_sync_len = mode->vsync_end - mode->vsync_start;
|
|
|
|
h_sync_offset = mode->hsync_start - mode->hdisplay;
|
|
v_sync_offset = mode->vsync_start - mode->vdisplay;
|
|
|
|
mode_clock = mode->clock;
|
|
mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
|
|
mode_clock /= 10;
|
|
dtd->part1.clock = mode_clock;
|
|
|
|
dtd->part1.h_active = width & 0xff;
|
|
dtd->part1.h_blank = h_blank_len & 0xff;
|
|
dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
|
|
((h_blank_len >> 8) & 0xf);
|
|
dtd->part1.v_active = height & 0xff;
|
|
dtd->part1.v_blank = v_blank_len & 0xff;
|
|
dtd->part1.v_high = (((height >> 8) & 0xf) << 4) |
|
|
((v_blank_len >> 8) & 0xf);
|
|
|
|
dtd->part2.h_sync_off = h_sync_offset & 0xff;
|
|
dtd->part2.h_sync_width = h_sync_len & 0xff;
|
|
dtd->part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
|
|
(v_sync_len & 0xf);
|
|
dtd->part2.sync_off_width_high = ((h_sync_offset & 0x300) >> 2) |
|
|
((h_sync_len & 0x300) >> 4) | ((v_sync_offset & 0x30) >> 2) |
|
|
((v_sync_len & 0x30) >> 4);
|
|
|
|
dtd->part2.dtd_flags = 0x18;
|
|
if (mode->flags & DRM_MODE_FLAG_INTERLACE)
|
|
dtd->part2.dtd_flags |= DTD_FLAG_INTERLACE;
|
|
if (mode->flags & DRM_MODE_FLAG_PHSYNC)
|
|
dtd->part2.dtd_flags |= DTD_FLAG_HSYNC_POSITIVE;
|
|
if (mode->flags & DRM_MODE_FLAG_PVSYNC)
|
|
dtd->part2.dtd_flags |= DTD_FLAG_VSYNC_POSITIVE;
|
|
|
|
dtd->part2.sdvo_flags = 0;
|
|
dtd->part2.v_sync_off_high = v_sync_offset & 0xc0;
|
|
dtd->part2.reserved = 0;
|
|
}
|
|
|
|
static void intel_sdvo_get_mode_from_dtd(struct drm_display_mode * mode,
|
|
const struct intel_sdvo_dtd *dtd)
|
|
{
|
|
mode->hdisplay = dtd->part1.h_active;
|
|
mode->hdisplay += ((dtd->part1.h_high >> 4) & 0x0f) << 8;
|
|
mode->hsync_start = mode->hdisplay + dtd->part2.h_sync_off;
|
|
mode->hsync_start += (dtd->part2.sync_off_width_high & 0xc0) << 2;
|
|
mode->hsync_end = mode->hsync_start + dtd->part2.h_sync_width;
|
|
mode->hsync_end += (dtd->part2.sync_off_width_high & 0x30) << 4;
|
|
mode->htotal = mode->hdisplay + dtd->part1.h_blank;
|
|
mode->htotal += (dtd->part1.h_high & 0xf) << 8;
|
|
|
|
mode->vdisplay = dtd->part1.v_active;
|
|
mode->vdisplay += ((dtd->part1.v_high >> 4) & 0x0f) << 8;
|
|
mode->vsync_start = mode->vdisplay;
|
|
mode->vsync_start += (dtd->part2.v_sync_off_width >> 4) & 0xf;
|
|
mode->vsync_start += (dtd->part2.sync_off_width_high & 0x0c) << 2;
|
|
mode->vsync_start += dtd->part2.v_sync_off_high & 0xc0;
|
|
mode->vsync_end = mode->vsync_start +
|
|
(dtd->part2.v_sync_off_width & 0xf);
|
|
mode->vsync_end += (dtd->part2.sync_off_width_high & 0x3) << 4;
|
|
mode->vtotal = mode->vdisplay + dtd->part1.v_blank;
|
|
mode->vtotal += (dtd->part1.v_high & 0xf) << 8;
|
|
|
|
mode->clock = dtd->part1.clock * 10;
|
|
|
|
mode->flags &= ~(DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC);
|
|
if (dtd->part2.dtd_flags & DTD_FLAG_INTERLACE)
|
|
mode->flags |= DRM_MODE_FLAG_INTERLACE;
|
|
if (dtd->part2.dtd_flags & DTD_FLAG_HSYNC_POSITIVE)
|
|
mode->flags |= DRM_MODE_FLAG_PHSYNC;
|
|
if (dtd->part2.dtd_flags & DTD_FLAG_VSYNC_POSITIVE)
|
|
mode->flags |= DRM_MODE_FLAG_PVSYNC;
|
|
}
|
|
|
|
static bool intel_sdvo_check_supp_encode(struct intel_sdvo *intel_sdvo)
|
|
{
|
|
struct intel_sdvo_encode encode;
|
|
|
|
BUILD_BUG_ON(sizeof(encode) != 2);
|
|
return intel_sdvo_get_value(intel_sdvo,
|
|
SDVO_CMD_GET_SUPP_ENCODE,
|
|
&encode, sizeof(encode));
|
|
}
|
|
|
|
static bool intel_sdvo_set_encode(struct intel_sdvo *intel_sdvo,
|
|
uint8_t mode)
|
|
{
|
|
return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_ENCODE, &mode, 1);
|
|
}
|
|
|
|
static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo,
|
|
uint8_t mode)
|
|
{
|
|
return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1);
|
|
}
|
|
|
|
#if 0
|
|
static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
|
|
{
|
|
int i, j;
|
|
uint8_t set_buf_index[2];
|
|
uint8_t av_split;
|
|
uint8_t buf_size;
|
|
uint8_t buf[48];
|
|
uint8_t *pos;
|
|
|
|
intel_sdvo_get_value(encoder, SDVO_CMD_GET_HBUF_AV_SPLIT, &av_split, 1);
|
|
|
|
for (i = 0; i <= av_split; i++) {
|
|
set_buf_index[0] = i; set_buf_index[1] = 0;
|
|
intel_sdvo_write_cmd(encoder, SDVO_CMD_SET_HBUF_INDEX,
|
|
set_buf_index, 2);
|
|
intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_INFO, NULL, 0);
|
|
intel_sdvo_read_response(encoder, &buf_size, 1);
|
|
|
|
pos = buf;
|
|
for (j = 0; j <= buf_size; j += 8) {
|
|
intel_sdvo_write_cmd(encoder, SDVO_CMD_GET_HBUF_DATA,
|
|
NULL, 0);
|
|
intel_sdvo_read_response(encoder, pos, 8);
|
|
pos += 8;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
|
|
unsigned if_index, uint8_t tx_rate,
|
|
uint8_t *data, unsigned length)
|
|
{
|
|
uint8_t set_buf_index[2] = { if_index, 0 };
|
|
uint8_t hbuf_size, tmp[8];
|
|
int i;
|
|
|
|
if (!intel_sdvo_set_value(intel_sdvo,
|
|
SDVO_CMD_SET_HBUF_INDEX,
|
|
set_buf_index, 2))
|
|
return false;
|
|
|
|
if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
|
|
&hbuf_size, 1))
|
|
return false;
|
|
|
|
/* Buffer size is 0 based, hooray! */
|
|
hbuf_size++;
|
|
|
|
DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
|
|
if_index, length, hbuf_size);
|
|
|
|
for (i = 0; i < hbuf_size; i += 8) {
|
|
memset(tmp, 0, 8);
|
|
if (i < length)
|
|
memcpy(tmp, data + i, min_t(unsigned, 8, length - i));
|
|
|
|
if (!intel_sdvo_set_value(intel_sdvo,
|
|
SDVO_CMD_SET_HBUF_DATA,
|
|
tmp, 8))
|
|
return false;
|
|
}
|
|
|
|
return intel_sdvo_set_value(intel_sdvo,
|
|
SDVO_CMD_SET_HBUF_TXRATE,
|
|
&tx_rate, 1);
|
|
}
|
|
|
|
static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo)
|
|
{
|
|
struct dip_infoframe avi_if = {
|
|
.type = DIP_TYPE_AVI,
|
|
.ver = DIP_VERSION_AVI,
|
|
.len = DIP_LEN_AVI,
|
|
};
|
|
uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)];
|
|
|
|
intel_dip_infoframe_csum(&avi_if);
|
|
|
|
/* sdvo spec says that the ecc is handled by the hw, and it looks like
|
|
* we must not send the ecc field, either. */
|
|
memcpy(sdvo_data, &avi_if, 3);
|
|
sdvo_data[3] = avi_if.checksum;
|
|
memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi));
|
|
|
|
return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
|
|
SDVO_HBUF_TX_VSYNC,
|
|
sdvo_data, sizeof(sdvo_data));
|
|
}
|
|
|
|
static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo)
|
|
{
|
|
struct intel_sdvo_tv_format format;
|
|
uint32_t format_map;
|
|
|
|
format_map = 1 << intel_sdvo->tv_format_index;
|
|
memset(&format, 0, sizeof(format));
|
|
memcpy(&format, &format_map, min(sizeof(format), sizeof(format_map)));
|
|
|
|
BUILD_BUG_ON(sizeof(format) != 6);
|
|
return intel_sdvo_set_value(intel_sdvo,
|
|
SDVO_CMD_SET_TV_FORMAT,
|
|
&format, sizeof(format));
|
|
}
|
|
|
|
static bool
|
|
intel_sdvo_set_output_timings_from_mode(struct intel_sdvo *intel_sdvo,
|
|
const struct drm_display_mode *mode)
|
|
{
|
|
struct intel_sdvo_dtd output_dtd;
|
|
|
|
if (!intel_sdvo_set_target_output(intel_sdvo,
|
|
intel_sdvo->attached_output))
|
|
return false;
|
|
|
|
intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
|
|
if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
/* Asks the sdvo controller for the preferred input mode given the output mode.
|
|
* Unfortunately we have to set up the full output mode to do that. */
|
|
static bool
|
|
intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
|
|
const struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
struct intel_sdvo_dtd input_dtd;
|
|
|
|
/* Reset the input timing to the screen. Assume always input 0. */
|
|
if (!intel_sdvo_set_target_input(intel_sdvo))
|
|
return false;
|
|
|
|
if (!intel_sdvo_create_preferred_input_timing(intel_sdvo,
|
|
mode->clock / 10,
|
|
mode->hdisplay,
|
|
mode->vdisplay))
|
|
return false;
|
|
|
|
if (!intel_sdvo_get_preferred_input_timing(intel_sdvo,
|
|
&input_dtd))
|
|
return false;
|
|
|
|
intel_sdvo_get_mode_from_dtd(adjusted_mode, &input_dtd);
|
|
intel_sdvo->dtd_sdvo_flags = input_dtd.part2.sdvo_flags;
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool intel_sdvo_mode_fixup(struct drm_encoder *encoder,
|
|
const struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
|
|
int multiplier;
|
|
|
|
/* We need to construct preferred input timings based on our
|
|
* output timings. To do that, we have to set the output
|
|
* timings, even though this isn't really the right place in
|
|
* the sequence to do it. Oh well.
|
|
*/
|
|
if (intel_sdvo->is_tv) {
|
|
if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo, mode))
|
|
return false;
|
|
|
|
(void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
|
|
mode,
|
|
adjusted_mode);
|
|
} else if (intel_sdvo->is_lvds) {
|
|
if (!intel_sdvo_set_output_timings_from_mode(intel_sdvo,
|
|
intel_sdvo->sdvo_lvds_fixed_mode))
|
|
return false;
|
|
|
|
(void) intel_sdvo_get_preferred_input_mode(intel_sdvo,
|
|
mode,
|
|
adjusted_mode);
|
|
}
|
|
|
|
/* Make the CRTC code factor in the SDVO pixel multiplier. The
|
|
* SDVO device will factor out the multiplier during mode_set.
|
|
*/
|
|
multiplier = intel_sdvo_get_pixel_multiplier(adjusted_mode);
|
|
intel_mode_set_pixel_multiplier(adjusted_mode, multiplier);
|
|
|
|
return true;
|
|
}
|
|
|
|
static void intel_sdvo_mode_set(struct drm_encoder *encoder,
|
|
struct drm_display_mode *mode,
|
|
struct drm_display_mode *adjusted_mode)
|
|
{
|
|
struct drm_device *dev = encoder->dev;
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
struct drm_crtc *crtc = encoder->crtc;
|
|
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
|
|
struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
|
|
u32 sdvox;
|
|
struct intel_sdvo_in_out_map in_out;
|
|
struct intel_sdvo_dtd input_dtd, output_dtd;
|
|
int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
|
|
int rate;
|
|
|
|
if (!mode)
|
|
return;
|
|
|
|
/* First, set the input mapping for the first input to our controlled
|
|
* output. This is only correct if we're a single-input device, in
|
|
* which case the first input is the output from the appropriate SDVO
|
|
* channel on the motherboard. In a two-input device, the first input
|
|
* will be SDVOB and the second SDVOC.
|
|
*/
|
|
in_out.in0 = intel_sdvo->attached_output;
|
|
in_out.in1 = 0;
|
|
|
|
intel_sdvo_set_value(intel_sdvo,
|
|
SDVO_CMD_SET_IN_OUT_MAP,
|
|
&in_out, sizeof(in_out));
|
|
|
|
/* Set the output timings to the screen */
|
|
if (!intel_sdvo_set_target_output(intel_sdvo,
|
|
intel_sdvo->attached_output))
|
|
return;
|
|
|
|
/* lvds has a special fixed output timing. */
|
|
if (intel_sdvo->is_lvds)
|
|
intel_sdvo_get_dtd_from_mode(&output_dtd,
|
|
intel_sdvo->sdvo_lvds_fixed_mode);
|
|
else
|
|
intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
|
|
if (!intel_sdvo_set_output_timing(intel_sdvo, &output_dtd))
|
|
DRM_INFO("Setting output timings on %s failed\n",
|
|
SDVO_NAME(intel_sdvo));
|
|
|
|
/* Set the input timing to the screen. Assume always input 0. */
|
|
if (!intel_sdvo_set_target_input(intel_sdvo))
|
|
return;
|
|
|
|
if (intel_sdvo->has_hdmi_monitor) {
|
|
intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_HDMI);
|
|
intel_sdvo_set_colorimetry(intel_sdvo,
|
|
SDVO_COLORIMETRY_RGB256);
|
|
intel_sdvo_set_avi_infoframe(intel_sdvo);
|
|
} else
|
|
intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI);
|
|
|
|
if (intel_sdvo->is_tv &&
|
|
!intel_sdvo_set_tv_format(intel_sdvo))
|
|
return;
|
|
|
|
/* We have tried to get input timing in mode_fixup, and filled into
|
|
* adjusted_mode.
|
|
*/
|
|
intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
|
|
if (intel_sdvo->is_tv || intel_sdvo->is_lvds)
|
|
input_dtd.part2.sdvo_flags = intel_sdvo->dtd_sdvo_flags;
|
|
if (!intel_sdvo_set_input_timing(intel_sdvo, &input_dtd))
|
|
DRM_INFO("Setting input timings on %s failed\n",
|
|
SDVO_NAME(intel_sdvo));
|
|
|
|
switch (pixel_multiplier) {
|
|
default:
|
|
case 1: rate = SDVO_CLOCK_RATE_MULT_1X; break;
|
|
case 2: rate = SDVO_CLOCK_RATE_MULT_2X; break;
|
|
case 4: rate = SDVO_CLOCK_RATE_MULT_4X; break;
|
|
}
|
|
if (!intel_sdvo_set_clock_rate_mult(intel_sdvo, rate))
|
|
return;
|
|
|
|
/* Set the SDVO control regs. */
|
|
if (INTEL_INFO(dev)->gen >= 4) {
|
|
/* The real mode polarity is set by the SDVO commands, using
|
|
* struct intel_sdvo_dtd. */
|
|
sdvox = SDVO_VSYNC_ACTIVE_HIGH | SDVO_HSYNC_ACTIVE_HIGH;
|
|
if (intel_sdvo->is_hdmi)
|
|
sdvox |= intel_sdvo->color_range;
|
|
if (INTEL_INFO(dev)->gen < 5)
|
|
sdvox |= SDVO_BORDER_ENABLE;
|
|
} else {
|
|
sdvox = I915_READ(intel_sdvo->sdvo_reg);
|
|
switch (intel_sdvo->sdvo_reg) {
|
|
case SDVOB:
|
|
sdvox &= SDVOB_PRESERVE_MASK;
|
|
break;
|
|
case SDVOC:
|
|
sdvox &= SDVOC_PRESERVE_MASK;
|
|
break;
|
|
}
|
|
sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
|
|
}
|
|
|
|
if (INTEL_PCH_TYPE(dev) >= PCH_CPT)
|
|
sdvox |= TRANSCODER_CPT(intel_crtc->pipe);
|
|
else
|
|
sdvox |= TRANSCODER(intel_crtc->pipe);
|
|
|
|
if (intel_sdvo->has_hdmi_audio)
|
|
sdvox |= SDVO_AUDIO_ENABLE;
|
|
|
|
if (INTEL_INFO(dev)->gen >= 4) {
|
|
/* done in crtc_mode_set as the dpll_md reg must be written early */
|
|
} else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
|
|
/* done in crtc_mode_set as it lives inside the dpll register */
|
|
} else {
|
|
sdvox |= (pixel_multiplier - 1) << SDVO_PORT_MULTIPLY_SHIFT;
|
|
}
|
|
|
|
if (input_dtd.part2.sdvo_flags & SDVO_NEED_TO_STALL &&
|
|
INTEL_INFO(dev)->gen < 5)
|
|
sdvox |= SDVO_STALL_SELECT;
|
|
intel_sdvo_write_sdvox(intel_sdvo, sdvox);
|
|
}
|
|
|
|
static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
|
|
{
|
|
struct intel_sdvo_connector *intel_sdvo_connector =
|
|
to_intel_sdvo_connector(&connector->base);
|
|
struct intel_sdvo *intel_sdvo = intel_attached_sdvo(&connector->base);
|
|
u16 active_outputs;
|
|
|
|
intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
|
|
|
|
if (active_outputs & intel_sdvo_connector->output_flag)
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
static bool intel_sdvo_get_hw_state(struct intel_encoder *encoder,
|
|
enum pipe *pipe)
|
|
{
|
|
struct drm_device *dev = encoder->base.dev;
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
|
|
u32 tmp;
|
|
|
|
tmp = I915_READ(intel_sdvo->sdvo_reg);
|
|
|
|
if (!(tmp & SDVO_ENABLE))
|
|
return false;
|
|
|
|
if (HAS_PCH_CPT(dev))
|
|
*pipe = PORT_TO_PIPE_CPT(tmp);
|
|
else
|
|
*pipe = PORT_TO_PIPE(tmp);
|
|
|
|
return true;
|
|
}
|
|
|
|
static void intel_disable_sdvo(struct intel_encoder *encoder)
|
|
{
|
|
struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
|
|
struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
|
|
u32 temp;
|
|
|
|
intel_sdvo_set_active_outputs(intel_sdvo, 0);
|
|
if (0)
|
|
intel_sdvo_set_encoder_power_state(intel_sdvo,
|
|
DRM_MODE_DPMS_OFF);
|
|
|
|
temp = I915_READ(intel_sdvo->sdvo_reg);
|
|
if ((temp & SDVO_ENABLE) != 0) {
|
|
/* HW workaround for IBX, we need to move the port to
|
|
* transcoder A before disabling it. */
|
|
if (HAS_PCH_IBX(encoder->base.dev)) {
|
|
struct drm_crtc *crtc = encoder->base.crtc;
|
|
int pipe = crtc ? to_intel_crtc(crtc)->pipe : -1;
|
|
|
|
if (temp & SDVO_PIPE_B_SELECT) {
|
|
temp &= ~SDVO_PIPE_B_SELECT;
|
|
I915_WRITE(intel_sdvo->sdvo_reg, temp);
|
|
POSTING_READ(intel_sdvo->sdvo_reg);
|
|
|
|
/* Again we need to write this twice. */
|
|
I915_WRITE(intel_sdvo->sdvo_reg, temp);
|
|
POSTING_READ(intel_sdvo->sdvo_reg);
|
|
|
|
/* Transcoder selection bits only update
|
|
* effectively on vblank. */
|
|
if (crtc)
|
|
intel_wait_for_vblank(encoder->base.dev, pipe);
|
|
else
|
|
msleep(50);
|
|
}
|
|
}
|
|
|
|
intel_sdvo_write_sdvox(intel_sdvo, temp & ~SDVO_ENABLE);
|
|
}
|
|
}
|
|
|
|
static void intel_enable_sdvo(struct intel_encoder *encoder)
|
|
{
|
|
struct drm_device *dev = encoder->base.dev;
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
|
|
struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
|
|
u32 temp;
|
|
bool input1, input2;
|
|
int i;
|
|
u8 status;
|
|
|
|
temp = I915_READ(intel_sdvo->sdvo_reg);
|
|
if ((temp & SDVO_ENABLE) == 0) {
|
|
/* HW workaround for IBX, we need to move the port
|
|
* to transcoder A before disabling it. */
|
|
if (HAS_PCH_IBX(dev)) {
|
|
struct drm_crtc *crtc = encoder->base.crtc;
|
|
int pipe = crtc ? to_intel_crtc(crtc)->pipe : -1;
|
|
|
|
/* Restore the transcoder select bit. */
|
|
if (pipe == PIPE_B)
|
|
temp |= SDVO_PIPE_B_SELECT;
|
|
}
|
|
|
|
intel_sdvo_write_sdvox(intel_sdvo, temp | SDVO_ENABLE);
|
|
}
|
|
for (i = 0; i < 2; i++)
|
|
intel_wait_for_vblank(dev, intel_crtc->pipe);
|
|
|
|
status = intel_sdvo_get_trained_inputs(intel_sdvo, &input1, &input2);
|
|
/* Warn if the device reported failure to sync.
|
|
* A lot of SDVO devices fail to notify of sync, but it's
|
|
* a given it the status is a success, we succeeded.
|
|
*/
|
|
if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
|
|
DRM_DEBUG_KMS("First %s output reported failure to "
|
|
"sync\n", SDVO_NAME(intel_sdvo));
|
|
}
|
|
|
|
if (0)
|
|
intel_sdvo_set_encoder_power_state(intel_sdvo,
|
|
DRM_MODE_DPMS_ON);
|
|
intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
|
|
}
|
|
|
|
static void intel_sdvo_dpms(struct drm_connector *connector, int mode)
|
|
{
|
|
struct drm_crtc *crtc;
|
|
struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
|
|
|
|
/* dvo supports only 2 dpms states. */
|
|
if (mode != DRM_MODE_DPMS_ON)
|
|
mode = DRM_MODE_DPMS_OFF;
|
|
|
|
if (mode == connector->dpms)
|
|
return;
|
|
|
|
connector->dpms = mode;
|
|
|
|
/* Only need to change hw state when actually enabled */
|
|
crtc = intel_sdvo->base.base.crtc;
|
|
if (!crtc) {
|
|
intel_sdvo->base.connectors_active = false;
|
|
return;
|
|
}
|
|
|
|
if (mode != DRM_MODE_DPMS_ON) {
|
|
intel_sdvo_set_active_outputs(intel_sdvo, 0);
|
|
if (0)
|
|
intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
|
|
|
|
intel_sdvo->base.connectors_active = false;
|
|
|
|
intel_crtc_update_dpms(crtc);
|
|
} else {
|
|
intel_sdvo->base.connectors_active = true;
|
|
|
|
intel_crtc_update_dpms(crtc);
|
|
|
|
if (0)
|
|
intel_sdvo_set_encoder_power_state(intel_sdvo, mode);
|
|
intel_sdvo_set_active_outputs(intel_sdvo, intel_sdvo->attached_output);
|
|
}
|
|
|
|
intel_modeset_check_state(connector->dev);
|
|
}
|
|
|
|
static int intel_sdvo_mode_valid(struct drm_connector *connector,
|
|
struct drm_display_mode *mode)
|
|
{
|
|
struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
|
|
|
|
if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
|
|
return MODE_NO_DBLESCAN;
|
|
|
|
if (intel_sdvo->pixel_clock_min > mode->clock)
|
|
return MODE_CLOCK_LOW;
|
|
|
|
if (intel_sdvo->pixel_clock_max < mode->clock)
|
|
return MODE_CLOCK_HIGH;
|
|
|
|
if (intel_sdvo->is_lvds) {
|
|
if (mode->hdisplay > intel_sdvo->sdvo_lvds_fixed_mode->hdisplay)
|
|
return MODE_PANEL;
|
|
|
|
if (mode->vdisplay > intel_sdvo->sdvo_lvds_fixed_mode->vdisplay)
|
|
return MODE_PANEL;
|
|
}
|
|
|
|
return MODE_OK;
|
|
}
|
|
|
|
static bool intel_sdvo_get_capabilities(struct intel_sdvo *intel_sdvo, struct intel_sdvo_caps *caps)
|
|
{
|
|
BUILD_BUG_ON(sizeof(*caps) != 8);
|
|
if (!intel_sdvo_get_value(intel_sdvo,
|
|
SDVO_CMD_GET_DEVICE_CAPS,
|
|
caps, sizeof(*caps)))
|
|
return false;
|
|
|
|
DRM_DEBUG_KMS("SDVO capabilities:\n"
|
|
" vendor_id: %d\n"
|
|
" device_id: %d\n"
|
|
" device_rev_id: %d\n"
|
|
" sdvo_version_major: %d\n"
|
|
" sdvo_version_minor: %d\n"
|
|
" sdvo_inputs_mask: %d\n"
|
|
" smooth_scaling: %d\n"
|
|
" sharp_scaling: %d\n"
|
|
" up_scaling: %d\n"
|
|
" down_scaling: %d\n"
|
|
" stall_support: %d\n"
|
|
" output_flags: %d\n",
|
|
caps->vendor_id,
|
|
caps->device_id,
|
|
caps->device_rev_id,
|
|
caps->sdvo_version_major,
|
|
caps->sdvo_version_minor,
|
|
caps->sdvo_inputs_mask,
|
|
caps->smooth_scaling,
|
|
caps->sharp_scaling,
|
|
caps->up_scaling,
|
|
caps->down_scaling,
|
|
caps->stall_support,
|
|
caps->output_flags);
|
|
|
|
return true;
|
|
}
|
|
|
|
static uint16_t intel_sdvo_get_hotplug_support(struct intel_sdvo *intel_sdvo)
|
|
{
|
|
struct drm_device *dev = intel_sdvo->base.base.dev;
|
|
uint16_t hotplug;
|
|
|
|
/* HW Erratum: SDVO Hotplug is broken on all i945G chips, there's noise
|
|
* on the line. */
|
|
if (IS_I945G(dev) || IS_I945GM(dev))
|
|
return 0;
|
|
|
|
if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HOT_PLUG_SUPPORT,
|
|
&hotplug, sizeof(hotplug)))
|
|
return 0;
|
|
|
|
return hotplug;
|
|
}
|
|
|
|
static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
|
|
{
|
|
struct intel_sdvo *intel_sdvo = to_intel_sdvo(&encoder->base);
|
|
|
|
intel_sdvo_write_cmd(intel_sdvo, SDVO_CMD_SET_ACTIVE_HOT_PLUG,
|
|
&intel_sdvo->hotplug_active, 2);
|
|
}
|
|
|
|
static bool
|
|
intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
|
|
{
|
|
/* Is there more than one type of output? */
|
|
return hweight16(intel_sdvo->caps.output_flags) > 1;
|
|
}
|
|
|
|
static struct edid *
|
|
intel_sdvo_get_edid(struct drm_connector *connector)
|
|
{
|
|
struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
|
|
return drm_get_edid(connector, &sdvo->ddc);
|
|
}
|
|
|
|
/* Mac mini hack -- use the same DDC as the analog connector */
|
|
static struct edid *
|
|
intel_sdvo_get_analog_edid(struct drm_connector *connector)
|
|
{
|
|
struct drm_i915_private *dev_priv = connector->dev->dev_private;
|
|
|
|
return drm_get_edid(connector,
|
|
intel_gmbus_get_adapter(dev_priv,
|
|
dev_priv->crt_ddc_pin));
|
|
}
|
|
|
|
static enum drm_connector_status
|
|
intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
|
|
{
|
|
struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
|
|
enum drm_connector_status status;
|
|
struct edid *edid;
|
|
|
|
edid = intel_sdvo_get_edid(connector);
|
|
|
|
if (edid == NULL && intel_sdvo_multifunc_encoder(intel_sdvo)) {
|
|
u8 ddc, saved_ddc = intel_sdvo->ddc_bus;
|
|
|
|
/*
|
|
* Don't use the 1 as the argument of DDC bus switch to get
|
|
* the EDID. It is used for SDVO SPD ROM.
|
|
*/
|
|
for (ddc = intel_sdvo->ddc_bus >> 1; ddc > 1; ddc >>= 1) {
|
|
intel_sdvo->ddc_bus = ddc;
|
|
edid = intel_sdvo_get_edid(connector);
|
|
if (edid)
|
|
break;
|
|
}
|
|
/*
|
|
* If we found the EDID on the other bus,
|
|
* assume that is the correct DDC bus.
|
|
*/
|
|
if (edid == NULL)
|
|
intel_sdvo->ddc_bus = saved_ddc;
|
|
}
|
|
|
|
/*
|
|
* When there is no edid and no monitor is connected with VGA
|
|
* port, try to use the CRT ddc to read the EDID for DVI-connector.
|
|
*/
|
|
if (edid == NULL)
|
|
edid = intel_sdvo_get_analog_edid(connector);
|
|
|
|
status = connector_status_unknown;
|
|
if (edid != NULL) {
|
|
/* DDC bus is shared, match EDID to connector type */
|
|
if (edid->input & DRM_EDID_INPUT_DIGITAL) {
|
|
status = connector_status_connected;
|
|
if (intel_sdvo->is_hdmi) {
|
|
intel_sdvo->has_hdmi_monitor = drm_detect_hdmi_monitor(edid);
|
|
intel_sdvo->has_hdmi_audio = drm_detect_monitor_audio(edid);
|
|
}
|
|
} else
|
|
status = connector_status_disconnected;
|
|
kfree(edid);
|
|
}
|
|
|
|
if (status == connector_status_connected) {
|
|
struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
|
|
if (intel_sdvo_connector->force_audio != HDMI_AUDIO_AUTO)
|
|
intel_sdvo->has_hdmi_audio = (intel_sdvo_connector->force_audio == HDMI_AUDIO_ON);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
static bool
|
|
intel_sdvo_connector_matches_edid(struct intel_sdvo_connector *sdvo,
|
|
struct edid *edid)
|
|
{
|
|
bool monitor_is_digital = !!(edid->input & DRM_EDID_INPUT_DIGITAL);
|
|
bool connector_is_digital = !!IS_DIGITAL(sdvo);
|
|
|
|
DRM_DEBUG_KMS("connector_is_digital? %d, monitor_is_digital? %d\n",
|
|
connector_is_digital, monitor_is_digital);
|
|
return connector_is_digital == monitor_is_digital;
|
|
}
|
|
|
|
static enum drm_connector_status
|
|
intel_sdvo_detect(struct drm_connector *connector, bool force)
|
|
{
|
|
uint16_t response;
|
|
struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
|
|
struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
|
|
enum drm_connector_status ret;
|
|
|
|
if (!intel_sdvo_get_value(intel_sdvo,
|
|
SDVO_CMD_GET_ATTACHED_DISPLAYS,
|
|
&response, 2))
|
|
return connector_status_unknown;
|
|
|
|
DRM_DEBUG_KMS("SDVO response %d %d [%x]\n",
|
|
response & 0xff, response >> 8,
|
|
intel_sdvo_connector->output_flag);
|
|
|
|
if (response == 0)
|
|
return connector_status_disconnected;
|
|
|
|
intel_sdvo->attached_output = response;
|
|
|
|
intel_sdvo->has_hdmi_monitor = false;
|
|
intel_sdvo->has_hdmi_audio = false;
|
|
|
|
if ((intel_sdvo_connector->output_flag & response) == 0)
|
|
ret = connector_status_disconnected;
|
|
else if (IS_TMDS(intel_sdvo_connector))
|
|
ret = intel_sdvo_tmds_sink_detect(connector);
|
|
else {
|
|
struct edid *edid;
|
|
|
|
/* if we have an edid check it matches the connection */
|
|
edid = intel_sdvo_get_edid(connector);
|
|
if (edid == NULL)
|
|
edid = intel_sdvo_get_analog_edid(connector);
|
|
if (edid != NULL) {
|
|
if (intel_sdvo_connector_matches_edid(intel_sdvo_connector,
|
|
edid))
|
|
ret = connector_status_connected;
|
|
else
|
|
ret = connector_status_disconnected;
|
|
|
|
kfree(edid);
|
|
} else
|
|
ret = connector_status_connected;
|
|
}
|
|
|
|
/* May update encoder flag for like clock for SDVO TV, etc.*/
|
|
if (ret == connector_status_connected) {
|
|
intel_sdvo->is_tv = false;
|
|
intel_sdvo->is_lvds = false;
|
|
intel_sdvo->base.needs_tv_clock = false;
|
|
|
|
if (response & SDVO_TV_MASK) {
|
|
intel_sdvo->is_tv = true;
|
|
intel_sdvo->base.needs_tv_clock = true;
|
|
}
|
|
if (response & SDVO_LVDS_MASK)
|
|
intel_sdvo->is_lvds = intel_sdvo->sdvo_lvds_fixed_mode != NULL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void intel_sdvo_get_ddc_modes(struct drm_connector *connector)
|
|
{
|
|
struct edid *edid;
|
|
|
|
/* set the bus switch and get the modes */
|
|
edid = intel_sdvo_get_edid(connector);
|
|
|
|
/*
|
|
* Mac mini hack. On this device, the DVI-I connector shares one DDC
|
|
* link between analog and digital outputs. So, if the regular SDVO
|
|
* DDC fails, check to see if the analog output is disconnected, in
|
|
* which case we'll look there for the digital DDC data.
|
|
*/
|
|
if (edid == NULL)
|
|
edid = intel_sdvo_get_analog_edid(connector);
|
|
|
|
if (edid != NULL) {
|
|
if (intel_sdvo_connector_matches_edid(to_intel_sdvo_connector(connector),
|
|
edid)) {
|
|
drm_mode_connector_update_edid_property(connector, edid);
|
|
drm_add_edid_modes(connector, edid);
|
|
}
|
|
|
|
kfree(edid);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Set of SDVO TV modes.
|
|
* Note! This is in reply order (see loop in get_tv_modes).
|
|
* XXX: all 60Hz refresh?
|
|
*/
|
|
static const struct drm_display_mode sdvo_tv_modes[] = {
|
|
{ DRM_MODE("320x200", DRM_MODE_TYPE_DRIVER, 5815, 320, 321, 384,
|
|
416, 0, 200, 201, 232, 233, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("320x240", DRM_MODE_TYPE_DRIVER, 6814, 320, 321, 384,
|
|
416, 0, 240, 241, 272, 273, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("400x300", DRM_MODE_TYPE_DRIVER, 9910, 400, 401, 464,
|
|
496, 0, 300, 301, 332, 333, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 16913, 640, 641, 704,
|
|
736, 0, 350, 351, 382, 383, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 19121, 640, 641, 704,
|
|
736, 0, 400, 401, 432, 433, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 22654, 640, 641, 704,
|
|
736, 0, 480, 481, 512, 513, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("704x480", DRM_MODE_TYPE_DRIVER, 24624, 704, 705, 768,
|
|
800, 0, 480, 481, 512, 513, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("704x576", DRM_MODE_TYPE_DRIVER, 29232, 704, 705, 768,
|
|
800, 0, 576, 577, 608, 609, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("720x350", DRM_MODE_TYPE_DRIVER, 18751, 720, 721, 784,
|
|
816, 0, 350, 351, 382, 383, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 21199, 720, 721, 784,
|
|
816, 0, 400, 401, 432, 433, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 25116, 720, 721, 784,
|
|
816, 0, 480, 481, 512, 513, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("720x540", DRM_MODE_TYPE_DRIVER, 28054, 720, 721, 784,
|
|
816, 0, 540, 541, 572, 573, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 29816, 720, 721, 784,
|
|
816, 0, 576, 577, 608, 609, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("768x576", DRM_MODE_TYPE_DRIVER, 31570, 768, 769, 832,
|
|
864, 0, 576, 577, 608, 609, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 34030, 800, 801, 864,
|
|
896, 0, 600, 601, 632, 633, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 36581, 832, 833, 896,
|
|
928, 0, 624, 625, 656, 657, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("920x766", DRM_MODE_TYPE_DRIVER, 48707, 920, 921, 984,
|
|
1016, 0, 766, 767, 798, 799, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 53827, 1024, 1025, 1088,
|
|
1120, 0, 768, 769, 800, 801, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 87265, 1280, 1281, 1344,
|
|
1376, 0, 1024, 1025, 1056, 1057, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
};
|
|
|
|
static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
|
|
{
|
|
struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
|
|
struct intel_sdvo_sdtv_resolution_request tv_res;
|
|
uint32_t reply = 0, format_map = 0;
|
|
int i;
|
|
|
|
/* Read the list of supported input resolutions for the selected TV
|
|
* format.
|
|
*/
|
|
format_map = 1 << intel_sdvo->tv_format_index;
|
|
memcpy(&tv_res, &format_map,
|
|
min(sizeof(format_map), sizeof(struct intel_sdvo_sdtv_resolution_request)));
|
|
|
|
if (!intel_sdvo_set_target_output(intel_sdvo, intel_sdvo->attached_output))
|
|
return;
|
|
|
|
BUILD_BUG_ON(sizeof(tv_res) != 3);
|
|
if (!intel_sdvo_write_cmd(intel_sdvo,
|
|
SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT,
|
|
&tv_res, sizeof(tv_res)))
|
|
return;
|
|
if (!intel_sdvo_read_response(intel_sdvo, &reply, 3))
|
|
return;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(sdvo_tv_modes); i++)
|
|
if (reply & (1 << i)) {
|
|
struct drm_display_mode *nmode;
|
|
nmode = drm_mode_duplicate(connector->dev,
|
|
&sdvo_tv_modes[i]);
|
|
if (nmode)
|
|
drm_mode_probed_add(connector, nmode);
|
|
}
|
|
}
|
|
|
|
static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
|
|
{
|
|
struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
|
|
struct drm_i915_private *dev_priv = connector->dev->dev_private;
|
|
struct drm_display_mode *newmode;
|
|
|
|
/*
|
|
* Attempt to get the mode list from DDC.
|
|
* Assume that the preferred modes are
|
|
* arranged in priority order.
|
|
*/
|
|
intel_ddc_get_modes(connector, intel_sdvo->i2c);
|
|
if (list_empty(&connector->probed_modes) == false)
|
|
goto end;
|
|
|
|
/* Fetch modes from VBT */
|
|
if (dev_priv->sdvo_lvds_vbt_mode != NULL) {
|
|
newmode = drm_mode_duplicate(connector->dev,
|
|
dev_priv->sdvo_lvds_vbt_mode);
|
|
if (newmode != NULL) {
|
|
/* Guarantee the mode is preferred */
|
|
newmode->type = (DRM_MODE_TYPE_PREFERRED |
|
|
DRM_MODE_TYPE_DRIVER);
|
|
drm_mode_probed_add(connector, newmode);
|
|
}
|
|
}
|
|
|
|
end:
|
|
list_for_each_entry(newmode, &connector->probed_modes, head) {
|
|
if (newmode->type & DRM_MODE_TYPE_PREFERRED) {
|
|
intel_sdvo->sdvo_lvds_fixed_mode =
|
|
drm_mode_duplicate(connector->dev, newmode);
|
|
|
|
intel_sdvo->is_lvds = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
static int intel_sdvo_get_modes(struct drm_connector *connector)
|
|
{
|
|
struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
|
|
|
|
if (IS_TV(intel_sdvo_connector))
|
|
intel_sdvo_get_tv_modes(connector);
|
|
else if (IS_LVDS(intel_sdvo_connector))
|
|
intel_sdvo_get_lvds_modes(connector);
|
|
else
|
|
intel_sdvo_get_ddc_modes(connector);
|
|
|
|
return !list_empty(&connector->probed_modes);
|
|
}
|
|
|
|
static void
|
|
intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
|
|
{
|
|
struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
|
|
struct drm_device *dev = connector->dev;
|
|
|
|
if (intel_sdvo_connector->left)
|
|
drm_property_destroy(dev, intel_sdvo_connector->left);
|
|
if (intel_sdvo_connector->right)
|
|
drm_property_destroy(dev, intel_sdvo_connector->right);
|
|
if (intel_sdvo_connector->top)
|
|
drm_property_destroy(dev, intel_sdvo_connector->top);
|
|
if (intel_sdvo_connector->bottom)
|
|
drm_property_destroy(dev, intel_sdvo_connector->bottom);
|
|
if (intel_sdvo_connector->hpos)
|
|
drm_property_destroy(dev, intel_sdvo_connector->hpos);
|
|
if (intel_sdvo_connector->vpos)
|
|
drm_property_destroy(dev, intel_sdvo_connector->vpos);
|
|
if (intel_sdvo_connector->saturation)
|
|
drm_property_destroy(dev, intel_sdvo_connector->saturation);
|
|
if (intel_sdvo_connector->contrast)
|
|
drm_property_destroy(dev, intel_sdvo_connector->contrast);
|
|
if (intel_sdvo_connector->hue)
|
|
drm_property_destroy(dev, intel_sdvo_connector->hue);
|
|
if (intel_sdvo_connector->sharpness)
|
|
drm_property_destroy(dev, intel_sdvo_connector->sharpness);
|
|
if (intel_sdvo_connector->flicker_filter)
|
|
drm_property_destroy(dev, intel_sdvo_connector->flicker_filter);
|
|
if (intel_sdvo_connector->flicker_filter_2d)
|
|
drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_2d);
|
|
if (intel_sdvo_connector->flicker_filter_adaptive)
|
|
drm_property_destroy(dev, intel_sdvo_connector->flicker_filter_adaptive);
|
|
if (intel_sdvo_connector->tv_luma_filter)
|
|
drm_property_destroy(dev, intel_sdvo_connector->tv_luma_filter);
|
|
if (intel_sdvo_connector->tv_chroma_filter)
|
|
drm_property_destroy(dev, intel_sdvo_connector->tv_chroma_filter);
|
|
if (intel_sdvo_connector->dot_crawl)
|
|
drm_property_destroy(dev, intel_sdvo_connector->dot_crawl);
|
|
if (intel_sdvo_connector->brightness)
|
|
drm_property_destroy(dev, intel_sdvo_connector->brightness);
|
|
}
|
|
|
|
static void intel_sdvo_destroy(struct drm_connector *connector)
|
|
{
|
|
struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
|
|
|
|
if (intel_sdvo_connector->tv_format)
|
|
drm_property_destroy(connector->dev,
|
|
intel_sdvo_connector->tv_format);
|
|
|
|
intel_sdvo_destroy_enhance_property(connector);
|
|
drm_sysfs_connector_remove(connector);
|
|
drm_connector_cleanup(connector);
|
|
kfree(intel_sdvo_connector);
|
|
}
|
|
|
|
static bool intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
|
|
{
|
|
struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
|
|
struct edid *edid;
|
|
bool has_audio = false;
|
|
|
|
if (!intel_sdvo->is_hdmi)
|
|
return false;
|
|
|
|
edid = intel_sdvo_get_edid(connector);
|
|
if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
|
|
has_audio = drm_detect_monitor_audio(edid);
|
|
kfree(edid);
|
|
|
|
return has_audio;
|
|
}
|
|
|
|
static int
|
|
intel_sdvo_set_property(struct drm_connector *connector,
|
|
struct drm_property *property,
|
|
uint64_t val)
|
|
{
|
|
struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
|
|
struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
|
|
struct drm_i915_private *dev_priv = connector->dev->dev_private;
|
|
uint16_t temp_value;
|
|
uint8_t cmd;
|
|
int ret;
|
|
|
|
ret = drm_object_property_set_value(&connector->base, property, val);
|
|
if (ret)
|
|
return ret;
|
|
|
|
#if 0
|
|
if (property == dev_priv->force_audio_property) {
|
|
int i = val;
|
|
bool has_audio;
|
|
|
|
if (i == intel_sdvo_connector->force_audio)
|
|
return 0;
|
|
|
|
intel_sdvo_connector->force_audio = i;
|
|
|
|
if (i == HDMI_AUDIO_AUTO)
|
|
has_audio = intel_sdvo_detect_hdmi_audio(connector);
|
|
else
|
|
has_audio = (i == HDMI_AUDIO_ON);
|
|
|
|
if (has_audio == intel_sdvo->has_hdmi_audio)
|
|
return 0;
|
|
|
|
intel_sdvo->has_hdmi_audio = has_audio;
|
|
goto done;
|
|
}
|
|
|
|
if (property == dev_priv->broadcast_rgb_property) {
|
|
if (val == !!intel_sdvo->color_range)
|
|
return 0;
|
|
|
|
intel_sdvo->color_range = val ? SDVO_COLOR_RANGE_16_235 : 0;
|
|
goto done;
|
|
}
|
|
#endif
|
|
|
|
#define CHECK_PROPERTY(name, NAME) \
|
|
if (intel_sdvo_connector->name == property) { \
|
|
if (intel_sdvo_connector->cur_##name == temp_value) return 0; \
|
|
if (intel_sdvo_connector->max_##name < temp_value) return -EINVAL; \
|
|
cmd = SDVO_CMD_SET_##NAME; \
|
|
intel_sdvo_connector->cur_##name = temp_value; \
|
|
goto set_value; \
|
|
}
|
|
|
|
if (property == intel_sdvo_connector->tv_format) {
|
|
if (val >= TV_FORMAT_NUM)
|
|
return -EINVAL;
|
|
|
|
if (intel_sdvo->tv_format_index ==
|
|
intel_sdvo_connector->tv_format_supported[val])
|
|
return 0;
|
|
|
|
intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[val];
|
|
goto done;
|
|
} else if (IS_TV_OR_LVDS(intel_sdvo_connector)) {
|
|
temp_value = val;
|
|
if (intel_sdvo_connector->left == property) {
|
|
drm_object_property_set_value(&connector->base,
|
|
intel_sdvo_connector->right, val);
|
|
if (intel_sdvo_connector->left_margin == temp_value)
|
|
return 0;
|
|
|
|
intel_sdvo_connector->left_margin = temp_value;
|
|
intel_sdvo_connector->right_margin = temp_value;
|
|
temp_value = intel_sdvo_connector->max_hscan -
|
|
intel_sdvo_connector->left_margin;
|
|
cmd = SDVO_CMD_SET_OVERSCAN_H;
|
|
goto set_value;
|
|
} else if (intel_sdvo_connector->right == property) {
|
|
drm_object_property_set_value(&connector->base,
|
|
intel_sdvo_connector->left, val);
|
|
if (intel_sdvo_connector->right_margin == temp_value)
|
|
return 0;
|
|
|
|
intel_sdvo_connector->left_margin = temp_value;
|
|
intel_sdvo_connector->right_margin = temp_value;
|
|
temp_value = intel_sdvo_connector->max_hscan -
|
|
intel_sdvo_connector->left_margin;
|
|
cmd = SDVO_CMD_SET_OVERSCAN_H;
|
|
goto set_value;
|
|
} else if (intel_sdvo_connector->top == property) {
|
|
drm_object_property_set_value(&connector->base,
|
|
intel_sdvo_connector->bottom, val);
|
|
if (intel_sdvo_connector->top_margin == temp_value)
|
|
return 0;
|
|
|
|
intel_sdvo_connector->top_margin = temp_value;
|
|
intel_sdvo_connector->bottom_margin = temp_value;
|
|
temp_value = intel_sdvo_connector->max_vscan -
|
|
intel_sdvo_connector->top_margin;
|
|
cmd = SDVO_CMD_SET_OVERSCAN_V;
|
|
goto set_value;
|
|
} else if (intel_sdvo_connector->bottom == property) {
|
|
drm_object_property_set_value(&connector->base,
|
|
intel_sdvo_connector->top, val);
|
|
if (intel_sdvo_connector->bottom_margin == temp_value)
|
|
return 0;
|
|
|
|
intel_sdvo_connector->top_margin = temp_value;
|
|
intel_sdvo_connector->bottom_margin = temp_value;
|
|
temp_value = intel_sdvo_connector->max_vscan -
|
|
intel_sdvo_connector->top_margin;
|
|
cmd = SDVO_CMD_SET_OVERSCAN_V;
|
|
goto set_value;
|
|
}
|
|
CHECK_PROPERTY(hpos, HPOS)
|
|
CHECK_PROPERTY(vpos, VPOS)
|
|
CHECK_PROPERTY(saturation, SATURATION)
|
|
CHECK_PROPERTY(contrast, CONTRAST)
|
|
CHECK_PROPERTY(hue, HUE)
|
|
CHECK_PROPERTY(brightness, BRIGHTNESS)
|
|
CHECK_PROPERTY(sharpness, SHARPNESS)
|
|
CHECK_PROPERTY(flicker_filter, FLICKER_FILTER)
|
|
CHECK_PROPERTY(flicker_filter_2d, FLICKER_FILTER_2D)
|
|
CHECK_PROPERTY(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE)
|
|
CHECK_PROPERTY(tv_chroma_filter, TV_CHROMA_FILTER)
|
|
CHECK_PROPERTY(tv_luma_filter, TV_LUMA_FILTER)
|
|
CHECK_PROPERTY(dot_crawl, DOT_CRAWL)
|
|
}
|
|
|
|
return -EINVAL; /* unknown property */
|
|
|
|
set_value:
|
|
if (!intel_sdvo_set_value(intel_sdvo, cmd, &temp_value, 2))
|
|
return -EIO;
|
|
|
|
|
|
done:
|
|
if (intel_sdvo->base.base.crtc) {
|
|
struct drm_crtc *crtc = intel_sdvo->base.base.crtc;
|
|
intel_set_mode(crtc, &crtc->mode,
|
|
crtc->x, crtc->y, crtc->fb);
|
|
}
|
|
|
|
return 0;
|
|
#undef CHECK_PROPERTY
|
|
}
|
|
|
|
static const struct drm_encoder_helper_funcs intel_sdvo_helper_funcs = {
|
|
.mode_fixup = intel_sdvo_mode_fixup,
|
|
.mode_set = intel_sdvo_mode_set,
|
|
.disable = intel_encoder_noop,
|
|
};
|
|
|
|
static const struct drm_connector_funcs intel_sdvo_connector_funcs = {
|
|
.dpms = intel_sdvo_dpms,
|
|
.detect = intel_sdvo_detect,
|
|
.fill_modes = drm_helper_probe_single_connector_modes,
|
|
.set_property = intel_sdvo_set_property,
|
|
.destroy = intel_sdvo_destroy,
|
|
};
|
|
|
|
static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = {
|
|
.get_modes = intel_sdvo_get_modes,
|
|
.mode_valid = intel_sdvo_mode_valid,
|
|
.best_encoder = intel_best_encoder,
|
|
};
|
|
|
|
static void intel_sdvo_enc_destroy(struct drm_encoder *encoder)
|
|
{
|
|
struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
|
|
|
|
if (intel_sdvo->sdvo_lvds_fixed_mode != NULL)
|
|
drm_mode_destroy(encoder->dev,
|
|
intel_sdvo->sdvo_lvds_fixed_mode);
|
|
|
|
i2c_del_adapter(&intel_sdvo->ddc);
|
|
intel_encoder_destroy(encoder);
|
|
}
|
|
|
|
static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
|
|
.destroy = intel_sdvo_enc_destroy,
|
|
};
|
|
|
|
static void
|
|
intel_sdvo_guess_ddc_bus(struct intel_sdvo *sdvo)
|
|
{
|
|
uint16_t mask = 0;
|
|
unsigned int num_bits;
|
|
|
|
/* Make a mask of outputs less than or equal to our own priority in the
|
|
* list.
|
|
*/
|
|
switch (sdvo->controlled_output) {
|
|
case SDVO_OUTPUT_LVDS1:
|
|
mask |= SDVO_OUTPUT_LVDS1;
|
|
case SDVO_OUTPUT_LVDS0:
|
|
mask |= SDVO_OUTPUT_LVDS0;
|
|
case SDVO_OUTPUT_TMDS1:
|
|
mask |= SDVO_OUTPUT_TMDS1;
|
|
case SDVO_OUTPUT_TMDS0:
|
|
mask |= SDVO_OUTPUT_TMDS0;
|
|
case SDVO_OUTPUT_RGB1:
|
|
mask |= SDVO_OUTPUT_RGB1;
|
|
case SDVO_OUTPUT_RGB0:
|
|
mask |= SDVO_OUTPUT_RGB0;
|
|
break;
|
|
}
|
|
|
|
/* Count bits to find what number we are in the priority list. */
|
|
mask &= sdvo->caps.output_flags;
|
|
num_bits = hweight16(mask);
|
|
/* If more than 3 outputs, default to DDC bus 3 for now. */
|
|
if (num_bits > 3)
|
|
num_bits = 3;
|
|
|
|
/* Corresponds to SDVO_CONTROL_BUS_DDCx */
|
|
sdvo->ddc_bus = 1 << num_bits;
|
|
}
|
|
|
|
/**
|
|
* Choose the appropriate DDC bus for control bus switch command for this
|
|
* SDVO output based on the controlled output.
|
|
*
|
|
* DDC bus number assignment is in a priority order of RGB outputs, then TMDS
|
|
* outputs, then LVDS outputs.
|
|
*/
|
|
static void
|
|
intel_sdvo_select_ddc_bus(struct drm_i915_private *dev_priv,
|
|
struct intel_sdvo *sdvo, u32 reg)
|
|
{
|
|
struct sdvo_device_mapping *mapping;
|
|
|
|
if (sdvo->is_sdvob)
|
|
mapping = &(dev_priv->sdvo_mappings[0]);
|
|
else
|
|
mapping = &(dev_priv->sdvo_mappings[1]);
|
|
|
|
if (mapping->initialized)
|
|
sdvo->ddc_bus = 1 << ((mapping->ddc_pin & 0xf0) >> 4);
|
|
else
|
|
intel_sdvo_guess_ddc_bus(sdvo);
|
|
}
|
|
|
|
static void
|
|
intel_sdvo_select_i2c_bus(struct drm_i915_private *dev_priv,
|
|
struct intel_sdvo *sdvo, u32 reg)
|
|
{
|
|
struct sdvo_device_mapping *mapping;
|
|
u8 pin;
|
|
|
|
if (sdvo->is_sdvob)
|
|
mapping = &dev_priv->sdvo_mappings[0];
|
|
else
|
|
mapping = &dev_priv->sdvo_mappings[1];
|
|
|
|
if (mapping->initialized && intel_gmbus_is_port_valid(mapping->i2c_pin))
|
|
pin = mapping->i2c_pin;
|
|
else
|
|
pin = GMBUS_PORT_DPB;
|
|
|
|
sdvo->i2c = intel_gmbus_get_adapter(dev_priv, pin);
|
|
|
|
/* With gmbus we should be able to drive sdvo i2c at 2MHz, but somehow
|
|
* our code totally fails once we start using gmbus. Hence fall back to
|
|
* bit banging for now. */
|
|
intel_gmbus_force_bit(sdvo->i2c, true);
|
|
}
|
|
|
|
/* undo any changes intel_sdvo_select_i2c_bus() did to sdvo->i2c */
|
|
static void
|
|
intel_sdvo_unselect_i2c_bus(struct intel_sdvo *sdvo)
|
|
{
|
|
intel_gmbus_force_bit(sdvo->i2c, false);
|
|
}
|
|
|
|
static bool
|
|
intel_sdvo_is_hdmi_connector(struct intel_sdvo *intel_sdvo, int device)
|
|
{
|
|
return intel_sdvo_check_supp_encode(intel_sdvo);
|
|
}
|
|
|
|
static u8
|
|
intel_sdvo_get_slave_addr(struct drm_device *dev, struct intel_sdvo *sdvo)
|
|
{
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
struct sdvo_device_mapping *my_mapping, *other_mapping;
|
|
|
|
if (sdvo->is_sdvob) {
|
|
my_mapping = &dev_priv->sdvo_mappings[0];
|
|
other_mapping = &dev_priv->sdvo_mappings[1];
|
|
} else {
|
|
my_mapping = &dev_priv->sdvo_mappings[1];
|
|
other_mapping = &dev_priv->sdvo_mappings[0];
|
|
}
|
|
|
|
/* If the BIOS described our SDVO device, take advantage of it. */
|
|
if (my_mapping->slave_addr)
|
|
return my_mapping->slave_addr;
|
|
|
|
/* If the BIOS only described a different SDVO device, use the
|
|
* address that it isn't using.
|
|
*/
|
|
if (other_mapping->slave_addr) {
|
|
if (other_mapping->slave_addr == 0x70)
|
|
return 0x72;
|
|
else
|
|
return 0x70;
|
|
}
|
|
|
|
/* No SDVO device info is found for another DVO port,
|
|
* so use mapping assumption we had before BIOS parsing.
|
|
*/
|
|
if (sdvo->is_sdvob)
|
|
return 0x70;
|
|
else
|
|
return 0x72;
|
|
}
|
|
|
|
static void
|
|
intel_sdvo_connector_init(struct intel_sdvo_connector *connector,
|
|
struct intel_sdvo *encoder)
|
|
{
|
|
drm_connector_init(encoder->base.base.dev,
|
|
&connector->base.base,
|
|
&intel_sdvo_connector_funcs,
|
|
connector->base.base.connector_type);
|
|
|
|
drm_connector_helper_add(&connector->base.base,
|
|
&intel_sdvo_connector_helper_funcs);
|
|
|
|
connector->base.base.interlace_allowed = 1;
|
|
connector->base.base.doublescan_allowed = 0;
|
|
connector->base.base.display_info.subpixel_order = SubPixelHorizontalRGB;
|
|
connector->base.get_hw_state = intel_sdvo_connector_get_hw_state;
|
|
|
|
intel_connector_attach_encoder(&connector->base, &encoder->base);
|
|
drm_sysfs_connector_add(&connector->base.base);
|
|
}
|
|
|
|
static void
|
|
intel_sdvo_add_hdmi_properties(struct intel_sdvo_connector *connector)
|
|
{
|
|
struct drm_device *dev = connector->base.base.dev;
|
|
|
|
intel_attach_force_audio_property(&connector->base.base);
|
|
if (INTEL_INFO(dev)->gen >= 4 && IS_MOBILE(dev))
|
|
intel_attach_broadcast_rgb_property(&connector->base.base);
|
|
}
|
|
|
|
static bool
|
|
intel_sdvo_dvi_init(struct intel_sdvo *intel_sdvo, int device)
|
|
{
|
|
struct drm_encoder *encoder = &intel_sdvo->base.base;
|
|
struct drm_connector *connector;
|
|
struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
|
|
struct intel_connector *intel_connector;
|
|
struct intel_sdvo_connector *intel_sdvo_connector;
|
|
|
|
intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
|
|
if (!intel_sdvo_connector)
|
|
return false;
|
|
|
|
if (device == 0) {
|
|
intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS0;
|
|
intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS0;
|
|
} else if (device == 1) {
|
|
intel_sdvo->controlled_output |= SDVO_OUTPUT_TMDS1;
|
|
intel_sdvo_connector->output_flag = SDVO_OUTPUT_TMDS1;
|
|
}
|
|
|
|
intel_connector = &intel_sdvo_connector->base;
|
|
connector = &intel_connector->base;
|
|
if (intel_sdvo_get_hotplug_support(intel_sdvo) &
|
|
intel_sdvo_connector->output_flag) {
|
|
connector->polled = DRM_CONNECTOR_POLL_HPD;
|
|
intel_sdvo->hotplug_active |= intel_sdvo_connector->output_flag;
|
|
/* Some SDVO devices have one-shot hotplug interrupts.
|
|
* Ensure that they get re-enabled when an interrupt happens.
|
|
*/
|
|
intel_encoder->hot_plug = intel_sdvo_enable_hotplug;
|
|
intel_sdvo_enable_hotplug(intel_encoder);
|
|
} else {
|
|
connector->polled = DRM_CONNECTOR_POLL_CONNECT | DRM_CONNECTOR_POLL_DISCONNECT;
|
|
}
|
|
encoder->encoder_type = DRM_MODE_ENCODER_TMDS;
|
|
connector->connector_type = DRM_MODE_CONNECTOR_DVID;
|
|
|
|
if (intel_sdvo_is_hdmi_connector(intel_sdvo, device)) {
|
|
connector->connector_type = DRM_MODE_CONNECTOR_HDMIA;
|
|
intel_sdvo->is_hdmi = true;
|
|
}
|
|
|
|
intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
|
|
if (intel_sdvo->is_hdmi)
|
|
intel_sdvo_add_hdmi_properties(intel_sdvo_connector);
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
intel_sdvo_tv_init(struct intel_sdvo *intel_sdvo, int type)
|
|
{
|
|
struct drm_encoder *encoder = &intel_sdvo->base.base;
|
|
struct drm_connector *connector;
|
|
struct intel_connector *intel_connector;
|
|
struct intel_sdvo_connector *intel_sdvo_connector;
|
|
|
|
intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
|
|
if (!intel_sdvo_connector)
|
|
return false;
|
|
|
|
intel_connector = &intel_sdvo_connector->base;
|
|
connector = &intel_connector->base;
|
|
encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
|
|
connector->connector_type = DRM_MODE_CONNECTOR_SVIDEO;
|
|
|
|
intel_sdvo->controlled_output |= type;
|
|
intel_sdvo_connector->output_flag = type;
|
|
|
|
intel_sdvo->is_tv = true;
|
|
intel_sdvo->base.needs_tv_clock = true;
|
|
|
|
intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
|
|
|
|
if (!intel_sdvo_tv_create_property(intel_sdvo, intel_sdvo_connector, type))
|
|
goto err;
|
|
|
|
if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
|
|
goto err;
|
|
|
|
return true;
|
|
|
|
err:
|
|
intel_sdvo_destroy(connector);
|
|
return false;
|
|
}
|
|
|
|
static bool
|
|
intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device)
|
|
{
|
|
struct drm_encoder *encoder = &intel_sdvo->base.base;
|
|
struct drm_connector *connector;
|
|
struct intel_connector *intel_connector;
|
|
struct intel_sdvo_connector *intel_sdvo_connector;
|
|
|
|
intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
|
|
if (!intel_sdvo_connector)
|
|
return false;
|
|
|
|
intel_connector = &intel_sdvo_connector->base;
|
|
connector = &intel_connector->base;
|
|
connector->polled = DRM_CONNECTOR_POLL_CONNECT;
|
|
encoder->encoder_type = DRM_MODE_ENCODER_DAC;
|
|
connector->connector_type = DRM_MODE_CONNECTOR_VGA;
|
|
|
|
if (device == 0) {
|
|
intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB0;
|
|
intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB0;
|
|
} else if (device == 1) {
|
|
intel_sdvo->controlled_output |= SDVO_OUTPUT_RGB1;
|
|
intel_sdvo_connector->output_flag = SDVO_OUTPUT_RGB1;
|
|
}
|
|
|
|
intel_sdvo_connector_init(intel_sdvo_connector,
|
|
intel_sdvo);
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device)
|
|
{
|
|
struct drm_encoder *encoder = &intel_sdvo->base.base;
|
|
struct drm_connector *connector;
|
|
struct intel_connector *intel_connector;
|
|
struct intel_sdvo_connector *intel_sdvo_connector;
|
|
|
|
intel_sdvo_connector = kzalloc(sizeof(struct intel_sdvo_connector), GFP_KERNEL);
|
|
if (!intel_sdvo_connector)
|
|
return false;
|
|
|
|
intel_connector = &intel_sdvo_connector->base;
|
|
connector = &intel_connector->base;
|
|
encoder->encoder_type = DRM_MODE_ENCODER_LVDS;
|
|
connector->connector_type = DRM_MODE_CONNECTOR_LVDS;
|
|
|
|
if (device == 0) {
|
|
intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS0;
|
|
intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS0;
|
|
} else if (device == 1) {
|
|
intel_sdvo->controlled_output |= SDVO_OUTPUT_LVDS1;
|
|
intel_sdvo_connector->output_flag = SDVO_OUTPUT_LVDS1;
|
|
}
|
|
|
|
intel_sdvo_connector_init(intel_sdvo_connector, intel_sdvo);
|
|
if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector))
|
|
goto err;
|
|
|
|
return true;
|
|
|
|
err:
|
|
intel_sdvo_destroy(connector);
|
|
return false;
|
|
}
|
|
|
|
static bool
|
|
intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags)
|
|
{
|
|
intel_sdvo->is_tv = false;
|
|
intel_sdvo->base.needs_tv_clock = false;
|
|
intel_sdvo->is_lvds = false;
|
|
|
|
/* SDVO requires XXX1 function may not exist unless it has XXX0 function.*/
|
|
|
|
if (flags & SDVO_OUTPUT_TMDS0)
|
|
if (!intel_sdvo_dvi_init(intel_sdvo, 0))
|
|
return false;
|
|
|
|
if ((flags & SDVO_TMDS_MASK) == SDVO_TMDS_MASK)
|
|
if (!intel_sdvo_dvi_init(intel_sdvo, 1))
|
|
return false;
|
|
|
|
/* TV has no XXX1 function block */
|
|
if (flags & SDVO_OUTPUT_SVID0)
|
|
if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_SVID0))
|
|
return false;
|
|
|
|
if (flags & SDVO_OUTPUT_CVBS0)
|
|
if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_CVBS0))
|
|
return false;
|
|
|
|
if (flags & SDVO_OUTPUT_YPRPB0)
|
|
if (!intel_sdvo_tv_init(intel_sdvo, SDVO_OUTPUT_YPRPB0))
|
|
return false;
|
|
|
|
if (flags & SDVO_OUTPUT_RGB0)
|
|
if (!intel_sdvo_analog_init(intel_sdvo, 0))
|
|
return false;
|
|
|
|
if ((flags & SDVO_RGB_MASK) == SDVO_RGB_MASK)
|
|
if (!intel_sdvo_analog_init(intel_sdvo, 1))
|
|
return false;
|
|
|
|
if (flags & SDVO_OUTPUT_LVDS0)
|
|
if (!intel_sdvo_lvds_init(intel_sdvo, 0))
|
|
return false;
|
|
|
|
if ((flags & SDVO_LVDS_MASK) == SDVO_LVDS_MASK)
|
|
if (!intel_sdvo_lvds_init(intel_sdvo, 1))
|
|
return false;
|
|
|
|
if ((flags & SDVO_OUTPUT_MASK) == 0) {
|
|
unsigned char bytes[2];
|
|
|
|
intel_sdvo->controlled_output = 0;
|
|
memcpy(bytes, &intel_sdvo->caps.output_flags, 2);
|
|
DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n",
|
|
SDVO_NAME(intel_sdvo),
|
|
bytes[0], bytes[1]);
|
|
return false;
|
|
}
|
|
intel_sdvo->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
|
|
|
|
return true;
|
|
}
|
|
|
|
static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
|
|
{
|
|
struct drm_device *dev = intel_sdvo->base.base.dev;
|
|
struct drm_connector *connector, *tmp;
|
|
|
|
list_for_each_entry_safe(connector, tmp,
|
|
&dev->mode_config.connector_list, head) {
|
|
if (intel_attached_encoder(connector) == &intel_sdvo->base)
|
|
intel_sdvo_destroy(connector);
|
|
}
|
|
}
|
|
|
|
static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
|
|
struct intel_sdvo_connector *intel_sdvo_connector,
|
|
int type)
|
|
{
|
|
struct drm_device *dev = intel_sdvo->base.base.dev;
|
|
struct intel_sdvo_tv_format format;
|
|
uint32_t format_map, i;
|
|
|
|
if (!intel_sdvo_set_target_output(intel_sdvo, type))
|
|
return false;
|
|
|
|
BUILD_BUG_ON(sizeof(format) != 6);
|
|
if (!intel_sdvo_get_value(intel_sdvo,
|
|
SDVO_CMD_GET_SUPPORTED_TV_FORMATS,
|
|
&format, sizeof(format)))
|
|
return false;
|
|
|
|
memcpy(&format_map, &format, min(sizeof(format_map), sizeof(format)));
|
|
|
|
if (format_map == 0)
|
|
return false;
|
|
|
|
intel_sdvo_connector->format_supported_num = 0;
|
|
for (i = 0 ; i < TV_FORMAT_NUM; i++)
|
|
if (format_map & (1 << i))
|
|
intel_sdvo_connector->tv_format_supported[intel_sdvo_connector->format_supported_num++] = i;
|
|
|
|
|
|
intel_sdvo_connector->tv_format =
|
|
drm_property_create(dev, DRM_MODE_PROP_ENUM,
|
|
"mode", intel_sdvo_connector->format_supported_num);
|
|
if (!intel_sdvo_connector->tv_format)
|
|
return false;
|
|
|
|
for (i = 0; i < intel_sdvo_connector->format_supported_num; i++)
|
|
drm_property_add_enum(
|
|
intel_sdvo_connector->tv_format, i,
|
|
i, tv_format_names[intel_sdvo_connector->tv_format_supported[i]]);
|
|
|
|
intel_sdvo->tv_format_index = intel_sdvo_connector->tv_format_supported[0];
|
|
drm_object_attach_property(&intel_sdvo_connector->base.base.base,
|
|
intel_sdvo_connector->tv_format, 0);
|
|
return true;
|
|
|
|
}
|
|
|
|
#define ENHANCEMENT(name, NAME) do { \
|
|
if (enhancements.name) { \
|
|
if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_MAX_##NAME, &data_value, 4) || \
|
|
!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_##NAME, &response, 2)) \
|
|
return false; \
|
|
intel_sdvo_connector->max_##name = data_value[0]; \
|
|
intel_sdvo_connector->cur_##name = response; \
|
|
intel_sdvo_connector->name = \
|
|
drm_property_create_range(dev, 0, #name, 0, data_value[0]); \
|
|
if (!intel_sdvo_connector->name) return false; \
|
|
drm_object_attach_property(&connector->base, \
|
|
intel_sdvo_connector->name, \
|
|
intel_sdvo_connector->cur_##name); \
|
|
DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \
|
|
data_value[0], data_value[1], response); \
|
|
} \
|
|
} while (0)
|
|
|
|
static bool
|
|
intel_sdvo_create_enhance_property_tv(struct intel_sdvo *intel_sdvo,
|
|
struct intel_sdvo_connector *intel_sdvo_connector,
|
|
struct intel_sdvo_enhancements_reply enhancements)
|
|
{
|
|
struct drm_device *dev = intel_sdvo->base.base.dev;
|
|
struct drm_connector *connector = &intel_sdvo_connector->base.base;
|
|
uint16_t response, data_value[2];
|
|
|
|
/* when horizontal overscan is supported, Add the left/right property */
|
|
if (enhancements.overscan_h) {
|
|
if (!intel_sdvo_get_value(intel_sdvo,
|
|
SDVO_CMD_GET_MAX_OVERSCAN_H,
|
|
&data_value, 4))
|
|
return false;
|
|
|
|
if (!intel_sdvo_get_value(intel_sdvo,
|
|
SDVO_CMD_GET_OVERSCAN_H,
|
|
&response, 2))
|
|
return false;
|
|
|
|
intel_sdvo_connector->max_hscan = data_value[0];
|
|
intel_sdvo_connector->left_margin = data_value[0] - response;
|
|
intel_sdvo_connector->right_margin = intel_sdvo_connector->left_margin;
|
|
intel_sdvo_connector->left =
|
|
drm_property_create_range(dev, 0, "left_margin", 0, data_value[0]);
|
|
if (!intel_sdvo_connector->left)
|
|
return false;
|
|
|
|
drm_object_attach_property(&connector->base,
|
|
intel_sdvo_connector->left,
|
|
intel_sdvo_connector->left_margin);
|
|
|
|
intel_sdvo_connector->right =
|
|
drm_property_create_range(dev, 0, "right_margin", 0, data_value[0]);
|
|
if (!intel_sdvo_connector->right)
|
|
return false;
|
|
|
|
drm_object_attach_property(&connector->base,
|
|
intel_sdvo_connector->right,
|
|
intel_sdvo_connector->right_margin);
|
|
DRM_DEBUG_KMS("h_overscan: max %d, "
|
|
"default %d, current %d\n",
|
|
data_value[0], data_value[1], response);
|
|
}
|
|
|
|
if (enhancements.overscan_v) {
|
|
if (!intel_sdvo_get_value(intel_sdvo,
|
|
SDVO_CMD_GET_MAX_OVERSCAN_V,
|
|
&data_value, 4))
|
|
return false;
|
|
|
|
if (!intel_sdvo_get_value(intel_sdvo,
|
|
SDVO_CMD_GET_OVERSCAN_V,
|
|
&response, 2))
|
|
return false;
|
|
|
|
intel_sdvo_connector->max_vscan = data_value[0];
|
|
intel_sdvo_connector->top_margin = data_value[0] - response;
|
|
intel_sdvo_connector->bottom_margin = intel_sdvo_connector->top_margin;
|
|
intel_sdvo_connector->top =
|
|
drm_property_create_range(dev, 0,
|
|
"top_margin", 0, data_value[0]);
|
|
if (!intel_sdvo_connector->top)
|
|
return false;
|
|
|
|
drm_object_attach_property(&connector->base,
|
|
intel_sdvo_connector->top,
|
|
intel_sdvo_connector->top_margin);
|
|
|
|
intel_sdvo_connector->bottom =
|
|
drm_property_create_range(dev, 0,
|
|
"bottom_margin", 0, data_value[0]);
|
|
if (!intel_sdvo_connector->bottom)
|
|
return false;
|
|
|
|
drm_object_attach_property(&connector->base,
|
|
intel_sdvo_connector->bottom,
|
|
intel_sdvo_connector->bottom_margin);
|
|
DRM_DEBUG_KMS("v_overscan: max %d, "
|
|
"default %d, current %d\n",
|
|
data_value[0], data_value[1], response);
|
|
}
|
|
|
|
ENHANCEMENT(hpos, HPOS);
|
|
ENHANCEMENT(vpos, VPOS);
|
|
ENHANCEMENT(saturation, SATURATION);
|
|
ENHANCEMENT(contrast, CONTRAST);
|
|
ENHANCEMENT(hue, HUE);
|
|
ENHANCEMENT(sharpness, SHARPNESS);
|
|
ENHANCEMENT(brightness, BRIGHTNESS);
|
|
ENHANCEMENT(flicker_filter, FLICKER_FILTER);
|
|
ENHANCEMENT(flicker_filter_adaptive, FLICKER_FILTER_ADAPTIVE);
|
|
ENHANCEMENT(flicker_filter_2d, FLICKER_FILTER_2D);
|
|
ENHANCEMENT(tv_chroma_filter, TV_CHROMA_FILTER);
|
|
ENHANCEMENT(tv_luma_filter, TV_LUMA_FILTER);
|
|
|
|
if (enhancements.dot_crawl) {
|
|
if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_DOT_CRAWL, &response, 2))
|
|
return false;
|
|
|
|
intel_sdvo_connector->max_dot_crawl = 1;
|
|
intel_sdvo_connector->cur_dot_crawl = response & 0x1;
|
|
intel_sdvo_connector->dot_crawl =
|
|
drm_property_create_range(dev, 0, "dot_crawl", 0, 1);
|
|
if (!intel_sdvo_connector->dot_crawl)
|
|
return false;
|
|
|
|
drm_object_attach_property(&connector->base,
|
|
intel_sdvo_connector->dot_crawl,
|
|
intel_sdvo_connector->cur_dot_crawl);
|
|
DRM_DEBUG_KMS("dot crawl: current %d\n", response);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
intel_sdvo_create_enhance_property_lvds(struct intel_sdvo *intel_sdvo,
|
|
struct intel_sdvo_connector *intel_sdvo_connector,
|
|
struct intel_sdvo_enhancements_reply enhancements)
|
|
{
|
|
struct drm_device *dev = intel_sdvo->base.base.dev;
|
|
struct drm_connector *connector = &intel_sdvo_connector->base.base;
|
|
uint16_t response, data_value[2];
|
|
|
|
ENHANCEMENT(brightness, BRIGHTNESS);
|
|
|
|
return true;
|
|
}
|
|
#undef ENHANCEMENT
|
|
|
|
static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo,
|
|
struct intel_sdvo_connector *intel_sdvo_connector)
|
|
{
|
|
union {
|
|
struct intel_sdvo_enhancements_reply reply;
|
|
uint16_t response;
|
|
} enhancements;
|
|
|
|
BUILD_BUG_ON(sizeof(enhancements) != 2);
|
|
|
|
enhancements.response = 0;
|
|
intel_sdvo_get_value(intel_sdvo,
|
|
SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS,
|
|
&enhancements, sizeof(enhancements));
|
|
if (enhancements.response == 0) {
|
|
DRM_DEBUG_KMS("No enhancement is supported\n");
|
|
return true;
|
|
}
|
|
|
|
if (IS_TV(intel_sdvo_connector))
|
|
return intel_sdvo_create_enhance_property_tv(intel_sdvo, intel_sdvo_connector, enhancements.reply);
|
|
else if (IS_LVDS(intel_sdvo_connector))
|
|
return intel_sdvo_create_enhance_property_lvds(intel_sdvo, intel_sdvo_connector, enhancements.reply);
|
|
else
|
|
return true;
|
|
}
|
|
|
|
static int intel_sdvo_ddc_proxy_xfer(struct i2c_adapter *adapter,
|
|
struct i2c_msg *msgs,
|
|
int num)
|
|
{
|
|
struct intel_sdvo *sdvo = adapter->algo_data;
|
|
|
|
if (!intel_sdvo_set_control_bus_switch(sdvo, sdvo->ddc_bus))
|
|
return -EIO;
|
|
|
|
return sdvo->i2c->algo->master_xfer(sdvo->i2c, msgs, num);
|
|
}
|
|
|
|
static u32 intel_sdvo_ddc_proxy_func(struct i2c_adapter *adapter)
|
|
{
|
|
struct intel_sdvo *sdvo = adapter->algo_data;
|
|
return sdvo->i2c->algo->functionality(sdvo->i2c);
|
|
}
|
|
|
|
static const struct i2c_algorithm intel_sdvo_ddc_proxy = {
|
|
.master_xfer = intel_sdvo_ddc_proxy_xfer,
|
|
.functionality = intel_sdvo_ddc_proxy_func
|
|
};
|
|
|
|
static bool
|
|
intel_sdvo_init_ddc_proxy(struct intel_sdvo *sdvo,
|
|
struct drm_device *dev)
|
|
{
|
|
sdvo->ddc.owner = THIS_MODULE;
|
|
sdvo->ddc.class = I2C_CLASS_DDC;
|
|
snprintf(sdvo->ddc.name, I2C_NAME_SIZE, "SDVO DDC proxy");
|
|
sdvo->ddc.dev.parent = &dev->pdev->dev;
|
|
sdvo->ddc.algo_data = sdvo;
|
|
sdvo->ddc.algo = &intel_sdvo_ddc_proxy;
|
|
|
|
return i2c_add_adapter(&sdvo->ddc) == 0;
|
|
}
|
|
|
|
bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob)
|
|
{
|
|
struct drm_i915_private *dev_priv = dev->dev_private;
|
|
struct intel_encoder *intel_encoder;
|
|
struct intel_sdvo *intel_sdvo;
|
|
u32 hotplug_mask;
|
|
int i;
|
|
|
|
intel_sdvo = kzalloc(sizeof(struct intel_sdvo), GFP_KERNEL);
|
|
if (!intel_sdvo)
|
|
return false;
|
|
|
|
intel_sdvo->sdvo_reg = sdvo_reg;
|
|
intel_sdvo->is_sdvob = is_sdvob;
|
|
intel_sdvo->slave_addr = intel_sdvo_get_slave_addr(dev, intel_sdvo) >> 1;
|
|
intel_sdvo_select_i2c_bus(dev_priv, intel_sdvo, sdvo_reg);
|
|
if (!intel_sdvo_init_ddc_proxy(intel_sdvo, dev))
|
|
goto err_i2c_bus;
|
|
|
|
/* encoder type will be decided later */
|
|
intel_encoder = &intel_sdvo->base;
|
|
intel_encoder->type = INTEL_OUTPUT_SDVO;
|
|
drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
|
|
|
|
/* Read the regs to test if we can talk to the device */
|
|
for (i = 0; i < 0x40; i++) {
|
|
u8 byte;
|
|
|
|
if (!intel_sdvo_read_byte(intel_sdvo, i, &byte)) {
|
|
DRM_DEBUG_KMS("No SDVO device found on %s\n",
|
|
SDVO_NAME(intel_sdvo));
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
hotplug_mask = 0;
|
|
if (IS_G4X(dev)) {
|
|
hotplug_mask = intel_sdvo->is_sdvob ?
|
|
SDVOB_HOTPLUG_INT_STATUS_G4X : SDVOC_HOTPLUG_INT_STATUS_G4X;
|
|
} else if (IS_GEN4(dev)) {
|
|
hotplug_mask = intel_sdvo->is_sdvob ?
|
|
SDVOB_HOTPLUG_INT_STATUS_I965 : SDVOC_HOTPLUG_INT_STATUS_I965;
|
|
} else {
|
|
hotplug_mask = intel_sdvo->is_sdvob ?
|
|
SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915;
|
|
}
|
|
|
|
drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
|
|
|
|
intel_encoder->disable = intel_disable_sdvo;
|
|
intel_encoder->enable = intel_enable_sdvo;
|
|
intel_encoder->get_hw_state = intel_sdvo_get_hw_state;
|
|
|
|
/* In default case sdvo lvds is false */
|
|
if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
|
|
goto err;
|
|
|
|
if (intel_sdvo_output_setup(intel_sdvo,
|
|
intel_sdvo->caps.output_flags) != true) {
|
|
DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
|
|
SDVO_NAME(intel_sdvo));
|
|
/* Output_setup can leave behind connectors! */
|
|
goto err_output;
|
|
}
|
|
|
|
/*
|
|
* Cloning SDVO with anything is often impossible, since the SDVO
|
|
* encoder can request a special input timing mode. And even if that's
|
|
* not the case we have evidence that cloning a plain unscaled mode with
|
|
* VGA doesn't really work. Furthermore the cloning flags are way too
|
|
* simplistic anyway to express such constraints, so just give up on
|
|
* cloning for SDVO encoders.
|
|
*/
|
|
intel_sdvo->base.cloneable = false;
|
|
|
|
/* Only enable the hotplug irq if we need it, to work around noisy
|
|
* hotplug lines.
|
|
*/
|
|
if (intel_sdvo->hotplug_active)
|
|
dev_priv->hotplug_supported_mask |= hotplug_mask;
|
|
|
|
intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
|
|
|
|
/* Set the input timing to the screen. Assume always input 0. */
|
|
if (!intel_sdvo_set_target_input(intel_sdvo))
|
|
goto err_output;
|
|
|
|
if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
|
|
&intel_sdvo->pixel_clock_min,
|
|
&intel_sdvo->pixel_clock_max))
|
|
goto err_output;
|
|
|
|
DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
|
|
"clock range %dMHz - %dMHz, "
|
|
"input 1: %c, input 2: %c, "
|
|
"output 1: %c, output 2: %c\n",
|
|
SDVO_NAME(intel_sdvo),
|
|
intel_sdvo->caps.vendor_id, intel_sdvo->caps.device_id,
|
|
intel_sdvo->caps.device_rev_id,
|
|
intel_sdvo->pixel_clock_min / 1000,
|
|
intel_sdvo->pixel_clock_max / 1000,
|
|
(intel_sdvo->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
|
|
(intel_sdvo->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
|
|
/* check currently supported outputs */
|
|
intel_sdvo->caps.output_flags &
|
|
(SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
|
|
intel_sdvo->caps.output_flags &
|
|
(SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
|
|
return true;
|
|
|
|
err_output:
|
|
intel_sdvo_output_cleanup(intel_sdvo);
|
|
|
|
err:
|
|
drm_encoder_cleanup(&intel_encoder->base);
|
|
i2c_del_adapter(&intel_sdvo->ddc);
|
|
err_i2c_bus:
|
|
intel_sdvo_unselect_i2c_bus(intel_sdvo);
|
|
kfree(intel_sdvo);
|
|
|
|
return false;
|
|
}
|