forked from Minki/linux
drm: bridge/dw_hdmi: use drm_hdmi_avi_infoframe_from_display_mode()
Use drm_hdmi_avi_infoframe_from_display_mode() to compose the AVI frame. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
parent
f879b38f91
commit
d4ac4cb69e
@ -918,74 +918,79 @@ static void hdmi_tx_hdcp_config(struct dw_hdmi *hdmi)
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HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_MASK, HDMI_A_HDCPCFG1);
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}
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static void hdmi_config_AVI(struct dw_hdmi *hdmi)
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static void hdmi_config_AVI(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
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{
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u8 val, pix_fmt, under_scan;
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u8 act_ratio, coded_ratio, colorimetry, ext_colorimetry;
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bool aspect_16_9;
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struct hdmi_avi_infoframe frame;
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u8 val;
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aspect_16_9 = false; /* FIXME */
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/* Initialise info frame from DRM mode */
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drm_hdmi_avi_infoframe_from_display_mode(&frame, mode);
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/* AVI Data Byte 1 */
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if (hdmi->hdmi_data.enc_out_format == YCBCR444)
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pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_YCBCR444;
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frame.colorspace = HDMI_COLORSPACE_YUV444;
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else if (hdmi->hdmi_data.enc_out_format == YCBCR422_8BITS)
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pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_YCBCR422;
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frame.colorspace = HDMI_COLORSPACE_YUV422;
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else
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pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_RGB;
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under_scan = HDMI_FC_AVICONF0_SCAN_INFO_NODATA;
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/*
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* Active format identification data is present in the AVI InfoFrame.
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* Under scan info, no bar data
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*/
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val = pix_fmt | under_scan |
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HDMI_FC_AVICONF0_ACTIVE_FMT_INFO_PRESENT |
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HDMI_FC_AVICONF0_BAR_DATA_NO_DATA;
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hdmi_writeb(hdmi, val, HDMI_FC_AVICONF0);
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/* AVI Data Byte 2 -Set the Aspect Ratio */
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if (aspect_16_9) {
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act_ratio = HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_16_9;
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coded_ratio = HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_16_9;
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} else {
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act_ratio = HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_4_3;
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coded_ratio = HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_4_3;
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}
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frame.colorspace = HDMI_COLORSPACE_RGB;
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/* Set up colorimetry */
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if (hdmi->hdmi_data.enc_out_format == XVYCC444) {
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colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_EXTENDED_INFO;
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frame.colorimetry = HDMI_COLORIMETRY_EXTENDED;
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if (hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_601)
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ext_colorimetry =
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HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601;
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frame.extended_colorimetry =
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HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
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else /*hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_709*/
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ext_colorimetry =
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HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC709;
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frame.extended_colorimetry =
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HDMI_EXTENDED_COLORIMETRY_XV_YCC_709;
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} else if (hdmi->hdmi_data.enc_out_format != RGB) {
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if (hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_601)
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colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_SMPTE;
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frame.colorimetry = HDMI_COLORIMETRY_ITU_601;
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else /*hdmi->hdmi_data.colorimetry == HDMI_COLORIMETRY_ITU_709*/
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colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_ITUR;
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ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601;
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frame.colorimetry = HDMI_COLORIMETRY_ITU_709;
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frame.extended_colorimetry = HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
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} else { /* Carries no data */
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colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_NO_DATA;
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ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601;
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frame.colorimetry = HDMI_COLORIMETRY_NONE;
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frame.extended_colorimetry = HDMI_EXTENDED_COLORIMETRY_XV_YCC_601;
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}
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val = colorimetry | coded_ratio | act_ratio;
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frame.scan_mode = HDMI_SCAN_MODE_NONE;
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/*
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* The Designware IP uses a different byte format from standard
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* AVI info frames, though generally the bits are in the correct
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* bytes.
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*/
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/*
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* AVI data byte 1 differences: Colorspace in bits 4,5 rather than 5,6,
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* active aspect present in bit 6 rather than 4.
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*/
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val = (frame.colorspace & 3) << 4 | (frame.scan_mode & 0x3);
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if (frame.active_aspect & 15)
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val |= HDMI_FC_AVICONF0_ACTIVE_FMT_INFO_PRESENT;
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if (frame.top_bar || frame.bottom_bar)
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val |= HDMI_FC_AVICONF0_BAR_DATA_HORIZ_BAR;
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if (frame.left_bar || frame.right_bar)
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val |= HDMI_FC_AVICONF0_BAR_DATA_VERT_BAR;
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hdmi_writeb(hdmi, val, HDMI_FC_AVICONF0);
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/* AVI data byte 2 differences: none */
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val = ((frame.colorimetry & 0x3) << 6) |
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((frame.picture_aspect & 0x3) << 4) |
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(frame.active_aspect & 0xf);
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hdmi_writeb(hdmi, val, HDMI_FC_AVICONF1);
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/* AVI Data Byte 3 */
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val = HDMI_FC_AVICONF2_IT_CONTENT_NO_DATA | ext_colorimetry |
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HDMI_FC_AVICONF2_RGB_QUANT_DEFAULT |
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HDMI_FC_AVICONF2_SCALING_NONE;
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/* AVI data byte 3 differences: none */
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val = ((frame.extended_colorimetry & 0x7) << 4) |
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((frame.quantization_range & 0x3) << 2) |
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(frame.nups & 0x3);
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if (frame.itc)
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val |= HDMI_FC_AVICONF2_IT_CONTENT_VALID;
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hdmi_writeb(hdmi, val, HDMI_FC_AVICONF2);
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/* AVI Data Byte 4 */
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hdmi_writeb(hdmi, hdmi->vic, HDMI_FC_AVIVID);
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/* AVI data byte 4 differences: none */
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val = frame.video_code & 0x7f;
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hdmi_writeb(hdmi, val, HDMI_FC_AVIVID);
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/* AVI Data Byte 5- set up input and output pixel repetition */
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val = (((hdmi->hdmi_data.video_mode.mpixelrepetitioninput + 1) <<
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@ -996,20 +1001,23 @@ static void hdmi_config_AVI(struct dw_hdmi *hdmi)
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HDMI_FC_PRCONF_OUTPUT_PR_FACTOR_MASK);
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hdmi_writeb(hdmi, val, HDMI_FC_PRCONF);
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/* IT Content and quantization range = don't care */
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val = HDMI_FC_AVICONF3_IT_CONTENT_TYPE_GRAPHICS |
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HDMI_FC_AVICONF3_QUANT_RANGE_LIMITED;
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/*
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* AVI data byte 5 differences: content type in 0,1 rather than 4,5,
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* ycc range in bits 2,3 rather than 6,7
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*/
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val = ((frame.ycc_quantization_range & 0x3) << 2) |
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(frame.content_type & 0x3);
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hdmi_writeb(hdmi, val, HDMI_FC_AVICONF3);
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/* AVI Data Bytes 6-13 */
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hdmi_writeb(hdmi, 0, HDMI_FC_AVIETB0);
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hdmi_writeb(hdmi, 0, HDMI_FC_AVIETB1);
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hdmi_writeb(hdmi, 0, HDMI_FC_AVISBB0);
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hdmi_writeb(hdmi, 0, HDMI_FC_AVISBB1);
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hdmi_writeb(hdmi, 0, HDMI_FC_AVIELB0);
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hdmi_writeb(hdmi, 0, HDMI_FC_AVIELB1);
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hdmi_writeb(hdmi, 0, HDMI_FC_AVISRB0);
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hdmi_writeb(hdmi, 0, HDMI_FC_AVISRB1);
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hdmi_writeb(hdmi, frame.top_bar & 0xff, HDMI_FC_AVIETB0);
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hdmi_writeb(hdmi, (frame.top_bar >> 8) & 0xff, HDMI_FC_AVIETB1);
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hdmi_writeb(hdmi, frame.bottom_bar & 0xff, HDMI_FC_AVISBB0);
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hdmi_writeb(hdmi, (frame.bottom_bar >> 8) & 0xff, HDMI_FC_AVISBB1);
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hdmi_writeb(hdmi, frame.left_bar & 0xff, HDMI_FC_AVIELB0);
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hdmi_writeb(hdmi, (frame.left_bar >> 8) & 0xff, HDMI_FC_AVIELB1);
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hdmi_writeb(hdmi, frame.right_bar & 0xff, HDMI_FC_AVISRB0);
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hdmi_writeb(hdmi, (frame.right_bar >> 8) & 0xff, HDMI_FC_AVISRB1);
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}
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static void hdmi_av_composer(struct dw_hdmi *hdmi,
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@ -1243,7 +1251,7 @@ static int dw_hdmi_setup(struct dw_hdmi *hdmi, struct drm_display_mode *mode)
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hdmi_enable_audio_clk(hdmi);
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/* HDMI Initialization Step F - Configure AVI InfoFrame */
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hdmi_config_AVI(hdmi);
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hdmi_config_AVI(hdmi, mode);
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}
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hdmi_video_packetize(hdmi);
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