/* * Copyright 2006 Dave Airlie * Copyright © 2006-2007 Intel Corporation * Jesse Barnes * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * Eric Anholt */ #include #include #include #include #include #include #include #include "intel_drv.h" #include #include "i915_drv.h" #include "intel_sdvo_regs.h" #define SDVO_TMDS_MASK (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1) #define SDVO_RGB_MASK (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1) #define SDVO_LVDS_MASK (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1) #define SDVO_TV_MASK (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_YPRPB0) #define SDVO_OUTPUT_MASK (SDVO_TMDS_MASK | SDVO_RGB_MASK | SDVO_LVDS_MASK |\ SDVO_TV_MASK) #define IS_TV(c) (c->output_flag & SDVO_TV_MASK) #define IS_TMDS(c) (c->output_flag & SDVO_TMDS_MASK) #define IS_LVDS(c) (c->output_flag & SDVO_LVDS_MASK) #define IS_TV_OR_LVDS(c) (c->output_flag & (SDVO_TV_MASK | SDVO_LVDS_MASK)) #define IS_DIGITAL(c) (c->output_flag & (SDVO_TMDS_MASK | SDVO_LVDS_MASK)) static const char *tv_format_names[] = { "NTSC_M" , "NTSC_J" , "NTSC_443", "PAL_B" , "PAL_D" , "PAL_G" , "PAL_H" , "PAL_I" , "PAL_M" , "PAL_N" , "PAL_NC" , "PAL_60" , "SECAM_B" , "SECAM_D" , "SECAM_G" , "SECAM_K" , "SECAM_K1", "SECAM_L" , "SECAM_60" }; #define TV_FORMAT_NUM (sizeof(tv_format_names) / sizeof(*tv_format_names)) struct intel_sdvo { struct intel_encoder base; struct i2c_adapter *i2c; u8 slave_addr; struct i2c_adapter ddc; /* Register for the SDVO device: SDVOB or SDVOC */ uint32_t sdvo_reg; /* Active outputs controlled by this SDVO output */ uint16_t controlled_output; /* * Capabilities of the SDVO device returned by * i830_sdvo_get_capabilities() */ struct intel_sdvo_caps caps; /* Pixel clock limitations reported by the SDVO device, in kHz */ int pixel_clock_min, pixel_clock_max; /* * For multiple function SDVO device, * this is for current attached outputs. */ uint16_t attached_output; /* * Hotplug activation bits for this device */ uint16_t hotplug_active; /** * This is used to select the color range of RBG outputs in HDMI mode. * It is only valid when using TMDS encoding and 8 bit per color mode. */ uint32_t color_range; /** * This is set if we're going to treat the device as TV-out. * * While we have these nice friendly flags for output types that ought * to decide this for us, the S-Video output on our HDMI+S-Video card * shows up as RGB1 (VGA). */ bool is_tv; /* On different gens SDVOB is at different places. */ bool is_sdvob; /* This is for current tv format name */ int tv_format_index; /** * This is set if we treat the device as HDMI, instead of DVI. */ bool is_hdmi; bool has_hdmi_monitor; bool has_hdmi_audio; /** * This is set if we detect output of sdvo device as LVDS and * have a valid fixed mode to use with the panel. */ bool is_lvds; /** * This is sdvo fixed pannel mode pointer */ struct drm_display_mode *sdvo_lvds_fixed_mode; /* DDC bus used by this SDVO encoder */ uint8_t ddc_bus; }; struct intel_sdvo_connector { struct intel_connector base; /* Mark the type of connector */ uint16_t output_flag; enum hdmi_force_audio force_audio; /* This contains all current supported TV format */ u8 tv_format_supported[TV_FORMAT_NUM]; int format_supported_num; struct drm_property *tv_format; /* add the property for the SDVO-TV */ struct drm_property *left; struct drm_property *right; struct drm_property *top; struct drm_property *bottom; struct drm_property *hpos; struct drm_property *vpos; struct drm_property *contrast; struct drm_property *saturation; struct drm_property *hue; struct drm_property *sharpness; struct drm_property *flicker_filter; struct drm_property *flicker_filter_adaptive; struct drm_property *flicker_filter_2d; struct drm_property *tv_chroma_filter; struct drm_property *tv_luma_filter; struct drm_property *dot_crawl; /* add the property for the SDVO-TV/LVDS */ struct drm_property *brightness; /* Add variable to record current setting for the above property */ u32 left_margin, right_margin, top_margin, bottom_margin; /* this is to get the range of margin.*/ u32 max_hscan, max_vscan; u32 max_hpos, cur_hpos; u32 max_vpos, cur_vpos; u32 cur_brightness, max_brightness; u32 cur_contrast, max_contrast; u32 cur_saturation, max_saturation; u32 cur_hue, max_hue; u32 cur_sharpness, max_sharpness; u32 cur_flicker_filter, max_flicker_filter; u32 cur_flicker_filter_adaptive, max_flicker_filter_adaptive; u32 cur_flicker_filter_2d, max_flicker_filter_2d; u32 cur_tv_chroma_filter, max_tv_chroma_filter; u32 cur_tv_luma_filter, max_tv_luma_filter; u32 cur_dot_crawl, max_dot_crawl; }; static struct intel_sdvo *to_intel_sdvo(struct drm_encoder *encoder) { return container_of(encoder, struct intel_sdvo, base.base); } static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector) { return container_of(intel_attached_encoder(connector), struct intel_sdvo, base); } static struct intel_sdvo_connector *to_intel_sdvo_connector(struct drm_connector *connector) { return container_of(to_intel_connector(connector), struct intel_sdvo_connector, base); } static bool intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags); static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo, struct intel_sdvo_connector *intel_sdvo_connector, int type); static bool intel_sdvo_create_enhance_property(struct intel_sdvo *intel_sdvo, struct intel_sdvo_connector *intel_sdvo_connector); /** * Writes the SDVOB or SDVOC with the given value, but always writes both * SDVOB and SDVOC to work around apparent hardware issues (according to * comments in the BIOS). */ static void intel_sdvo_write_sdvox(struct intel_sdvo *intel_sdvo, u32 val) { struct drm_device *dev = intel_sdvo->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; u32 bval = val, cval = val; int i; if (intel_sdvo->sdvo_reg == PCH_SDVOB) { I915_WRITE(intel_sdvo->sdvo_reg, val); I915_READ(intel_sdvo->sdvo_reg); return; } if (intel_sdvo->sdvo_reg == SDVOB) { cval = I915_READ(SDVOC); } else { bval = I915_READ(SDVOB); } /* * Write the registers twice for luck. Sometimes, * writing them only once doesn't appear to 'stick'. * The BIOS does this too. Yay, magic */ for (i = 0; i < 2; i++) { I915_WRITE(SDVOB, bval); I915_READ(SDVOB); I915_WRITE(SDVOC, cval); I915_READ(SDVOC); } } static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch) { struct i2c_msg msgs[] = { { .addr = intel_sdvo->slave_addr, .flags = 0, .len = 1, .buf = &addr, }, { .addr = intel_sdvo->slave_addr, .flags = I2C_M_RD, .len = 1, .buf = ch, } }; int ret; if ((ret = i2c_transfer(intel_sdvo->i2c, msgs, 2)) == 2) return true; DRM_DEBUG_KMS("i2c transfer returned %d\n", ret); return false; } #define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd} /** Mapping of command numbers to names, for debug output */ static const struct _sdvo_cmd_name { u8 cmd; const char *name; } sdvo_cmd_names[] = { SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2), SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS), /* Add the op code for SDVO enhancements */ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER), /* HDMI op code */ SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP), SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY), SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER), 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 = 5; 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. */ if (!intel_sdvo_read_byte(intel_sdvo, SDVO_I2C_CMD_STATUS, &status)) goto log_fail; while (status == SDVO_CMD_STATUS_PENDING && retry--) { 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_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 tx_rate = SDVO_HBUF_TX_VSYNC; uint8_t set_buf_index[2] = { 1, 0 }; uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)]; uint64_t *data = (uint64_t *)sdvo_data; unsigned i; 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)); if (!intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_HBUF_INDEX, set_buf_index, 2)) return false; for (i = 0; i < sizeof(sdvo_data); i += 8) { if (!intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_HBUF_DATA, data, 8)) return false; data++; } return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_HBUF_TXRATE, &tx_rate, 1); } 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); 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_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) { 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) 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_write_cmd(intel_sdvo, SDVO_CMD_GET_ATTACHED_DISPLAYS, NULL, 0)) return connector_status_unknown; /* add 30ms delay when the output type might be TV */ if (intel_sdvo->caps.output_flags & SDVO_TV_MASK) msleep(30); if (!intel_sdvo_read_response(intel_sdvo, &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(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_connector_property_set_value(connector, property, val); if (ret) return ret; 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; } #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_connector_property_set_value(connector, 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_connector_property_set_value(connector, 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_connector_property_set_value(connector, 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_connector_property_set_value(connector, 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->base.cloneable = 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->base.cloneable = false; 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->base.cloneable = true; 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; } /* SDVO LVDS is cloneable because the SDVO encoder does the upscaling, * as opposed to native LVDS, where we upscale with the panel-fitter * (and hence only the native LVDS resolution could be cloned). */ intel_sdvo->base.cloneable = true; 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 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_connector_attach_property(&intel_sdvo_connector->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_connector_attach_property(connector, \ 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_connector_attach_property(connector, 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_connector_attach_property(connector, 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_connector_attach_property(connector, 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_connector_attach_property(connector, 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_connector_attach_property(connector, 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)); goto err; } /* 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; if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo, &intel_sdvo->pixel_clock_min, &intel_sdvo->pixel_clock_max)) goto err; 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: 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; }