/* * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* * SH-Mobile High-Definition Multimedia Interface (HDMI) driver * for SLISHDMI13T and SLIPHDMIT IP cores * * Copyright (C) 2010, Guennadi Liakhovetski * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "mxc/mxc_dispdrv.h" #include #include #include #define DISPDRV_HDMI "hdmi" #define HDMI_EDID_LEN 512 /* status codes for reading edid */ #define HDMI_EDID_SUCCESS 0 #define HDMI_EDID_FAIL -1 #define HDMI_EDID_SAME -2 #define HDMI_EDID_NO_MODES -3 #define NUM_CEA_VIDEO_MODES 64 #define DEFAULT_VIDEO_MODE 16 /* 1080P */ #define RGB 0 #define YCBCR444 1 #define YCBCR422_16BITS 2 #define YCBCR422_8BITS 3 #define XVYCC444 4 /* * We follow a flowchart which is in the "Synopsys DesignWare Courses * HDMI Transmitter Controller User Guide, 1.30a", section 3.1 * (dwc_hdmi_tx_user.pdf) * * Below are notes that say "HDMI Initialization Step X" * These correspond to the flowchart. */ /* * We are required to configure VGA mode before reading edid * in HDMI Initialization Step B */ static const struct fb_videomode vga_mode = { /* 640x480 @ 60 Hz, 31.5 kHz hsync */ NULL, 60, 640, 480, 39721, 48, 16, 33, 10, 96, 2, 0, FB_VMODE_NONINTERLACED | FB_VMODE_ASPECT_4_3, FB_MODE_IS_VESA, }; static const struct fb_videomode xga_mode = { /* 13 1024x768-60 VESA */ NULL, 60, 1024, 768, 15384, 160, 24, 29, 3, 136, 6, 0, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }; static const struct fb_videomode sxga_mode = { /* 20 1280x1024-60 VESA */ NULL, 60, 1280, 1024, 9259, 248, 48, 38, 1, 112, 3, FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED, FB_MODE_IS_VESA }; enum hdmi_datamap { RGB444_8B = 0x01, RGB444_10B = 0x03, RGB444_12B = 0x05, RGB444_16B = 0x07, YCbCr444_8B = 0x09, YCbCr444_10B = 0x0B, YCbCr444_12B = 0x0D, YCbCr444_16B = 0x0F, YCbCr422_8B = 0x16, YCbCr422_10B = 0x14, YCbCr422_12B = 0x12, }; enum hdmi_colorimetry { eITU601, eITU709, }; struct hdmi_vmode { bool mDVI; bool mHSyncPolarity; bool mVSyncPolarity; bool mInterlaced; bool mDataEnablePolarity; unsigned int mPixelClock; unsigned int mPixelRepetitionInput; unsigned int mPixelRepetitionOutput; }; struct hdmi_data_info { unsigned int enc_in_format; unsigned int enc_out_format; unsigned int enc_color_depth; unsigned int colorimetry; unsigned int pix_repet_factor; unsigned int hdcp_enable; unsigned int rgb_out_enable; struct hdmi_vmode video_mode; }; struct hdmi_phy_reg_config { /* HDMI PHY register config for pass HCT */ u16 reg_vlev; u16 reg_cksymtx; }; struct mxc_hdmi { struct platform_device *pdev; struct platform_device *core_pdev; struct mxc_dispdrv_handle *disp_mxc_hdmi; struct fb_info *fbi; struct clk *hdmi_isfr_clk; struct clk *hdmi_iahb_clk; struct delayed_work hotplug_work; struct notifier_block nb; struct hdmi_data_info hdmi_data; int vic; struct mxc_edid_cfg edid_cfg; u8 edid[HDMI_EDID_LEN]; bool fb_reg; bool cable_plugin; u8 blank; bool dft_mode_set; char *dft_mode_str; int default_bpp; bool irq_enabled; spinlock_t irq_lock; bool phy_enabled; struct fb_videomode previous_mode; struct fb_videomode previous_non_vga_mode; bool requesting_vga_for_initialization; struct hdmi_phy_reg_config phy_config; }; struct i2c_client *hdmi_i2c; static bool hdmi_inited; extern const struct fb_videomode mxc_cea_mode[64]; extern void mxc_hdmi_cec_handle(u16 cec_stat); static void mxc_hdmi_setup(struct mxc_hdmi *hdmi, unsigned long event); #ifdef DEBUG static void dump_fb_videomode(struct fb_videomode *m) { pr_debug("fb_videomode = %d %d %d %d %d %d %d %d %d %d %d %d %d\n", m->refresh, m->xres, m->yres, m->pixclock, m->left_margin, m->right_margin, m->upper_margin, m->lower_margin, m->hsync_len, m->vsync_len, m->sync, m->vmode, m->flag); } #else static void dump_fb_videomode(struct fb_videomode *m) {} #endif static ssize_t mxc_hdmi_show_name(struct device *dev, struct device_attribute *attr, char *buf) { struct mxc_hdmi *hdmi = dev_get_drvdata(dev); strcpy(buf, hdmi->fbi->fix.id); sprintf(buf+strlen(buf), "\n"); return strlen(buf); } static DEVICE_ATTR(fb_name, S_IRUGO, mxc_hdmi_show_name, NULL); static ssize_t mxc_hdmi_show_state(struct device *dev, struct device_attribute *attr, char *buf) { struct mxc_hdmi *hdmi = dev_get_drvdata(dev); if (hdmi->cable_plugin == false) strcpy(buf, "plugout\n"); else strcpy(buf, "plugin\n"); return strlen(buf); } static DEVICE_ATTR(cable_state, S_IRUGO, mxc_hdmi_show_state, NULL); static ssize_t mxc_hdmi_show_edid(struct device *dev, struct device_attribute *attr, char *buf) { struct mxc_hdmi *hdmi = dev_get_drvdata(dev); int i, j, len = 0; for (j = 0; j < HDMI_EDID_LEN/16; j++) { for (i = 0; i < 16; i++) len += sprintf(buf+len, "0x%02X ", hdmi->edid[j*16 + i]); len += sprintf(buf+len, "\n"); } return len; } static DEVICE_ATTR(edid, S_IRUGO, mxc_hdmi_show_edid, NULL); static ssize_t mxc_hdmi_show_rgb_out_enable(struct device *dev, struct device_attribute *attr, char *buf) { struct mxc_hdmi *hdmi = dev_get_drvdata(dev); if (hdmi->hdmi_data.rgb_out_enable == true) strcpy(buf, "RGB out\n"); else strcpy(buf, "YCbCr out\n"); return strlen(buf); } static ssize_t mxc_hdmi_store_rgb_out_enable(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct mxc_hdmi *hdmi = dev_get_drvdata(dev); unsigned long value; int ret; ret = strict_strtoul(buf, 10, &value); if (ret) return ret; hdmi->hdmi_data.rgb_out_enable = value; /* Reconfig HDMI for output color space change */ mxc_hdmi_setup(hdmi, 0); return count; } static DEVICE_ATTR(rgb_out_enable, S_IRUGO | S_IWUSR, mxc_hdmi_show_rgb_out_enable, mxc_hdmi_store_rgb_out_enable); /*! * this submodule is responsible for the video data synchronization. * for example, for RGB 4:4:4 input, the data map is defined as * pin{47~40} <==> R[7:0] * pin{31~24} <==> G[7:0] * pin{15~8} <==> B[7:0] */ static void hdmi_video_sample(struct mxc_hdmi *hdmi) { int color_format = 0; u8 val; if (hdmi->hdmi_data.enc_in_format == RGB) { if (hdmi->hdmi_data.enc_color_depth == 8) color_format = 0x01; else if (hdmi->hdmi_data.enc_color_depth == 10) color_format = 0x03; else if (hdmi->hdmi_data.enc_color_depth == 12) color_format = 0x05; else if (hdmi->hdmi_data.enc_color_depth == 16) color_format = 0x07; else return; } else if (hdmi->hdmi_data.enc_in_format == YCBCR444) { if (hdmi->hdmi_data.enc_color_depth == 8) color_format = 0x09; else if (hdmi->hdmi_data.enc_color_depth == 10) color_format = 0x0B; else if (hdmi->hdmi_data.enc_color_depth == 12) color_format = 0x0D; else if (hdmi->hdmi_data.enc_color_depth == 16) color_format = 0x0F; else return; } else if (hdmi->hdmi_data.enc_in_format == YCBCR422_8BITS) { if (hdmi->hdmi_data.enc_color_depth == 8) color_format = 0x16; else if (hdmi->hdmi_data.enc_color_depth == 10) color_format = 0x14; else if (hdmi->hdmi_data.enc_color_depth == 12) color_format = 0x12; else return; } val = HDMI_TX_INVID0_INTERNAL_DE_GENERATOR_DISABLE | ((color_format << HDMI_TX_INVID0_VIDEO_MAPPING_OFFSET) & HDMI_TX_INVID0_VIDEO_MAPPING_MASK); hdmi_writeb(val, HDMI_TX_INVID0); /* Enable TX stuffing: When DE is inactive, fix the output data to 0 */ val = HDMI_TX_INSTUFFING_BDBDATA_STUFFING_ENABLE | HDMI_TX_INSTUFFING_RCRDATA_STUFFING_ENABLE | HDMI_TX_INSTUFFING_GYDATA_STUFFING_ENABLE; hdmi_writeb(val, HDMI_TX_INSTUFFING); hdmi_writeb(0x0, HDMI_TX_GYDATA0); hdmi_writeb(0x0, HDMI_TX_GYDATA1); hdmi_writeb(0x0, HDMI_TX_RCRDATA0); hdmi_writeb(0x0, HDMI_TX_RCRDATA1); hdmi_writeb(0x0, HDMI_TX_BCBDATA0); hdmi_writeb(0x0, HDMI_TX_BCBDATA1); } static int isColorSpaceConversion(struct mxc_hdmi *hdmi) { return (hdmi->hdmi_data.enc_in_format != hdmi->hdmi_data.enc_out_format); } static int isColorSpaceDecimation(struct mxc_hdmi *hdmi) { return ((hdmi->hdmi_data.enc_out_format == YCBCR422_8BITS) && (hdmi->hdmi_data.enc_in_format == RGB || hdmi->hdmi_data.enc_in_format == YCBCR444)); } static int isColorSpaceInterpolation(struct mxc_hdmi *hdmi) { return ((hdmi->hdmi_data.enc_in_format == YCBCR422_8BITS) && (hdmi->hdmi_data.enc_out_format == RGB || hdmi->hdmi_data.enc_out_format == YCBCR444)); } /*! * update the color space conversion coefficients. */ static void update_csc_coeffs(struct mxc_hdmi *hdmi) { unsigned short csc_coeff[3][4]; unsigned int csc_scale = 1; u8 val; bool coeff_selected = false; if (isColorSpaceConversion(hdmi)) { /* csc needed */ if (hdmi->hdmi_data.enc_out_format == RGB) { if (hdmi->hdmi_data.colorimetry == eITU601) { csc_coeff[0][0] = 0x2000; csc_coeff[0][1] = 0x6926; csc_coeff[0][2] = 0x74fd; csc_coeff[0][3] = 0x010e; csc_coeff[1][0] = 0x2000; csc_coeff[1][1] = 0x2cdd; csc_coeff[1][2] = 0x0000; csc_coeff[1][3] = 0x7e9a; csc_coeff[2][0] = 0x2000; csc_coeff[2][1] = 0x0000; csc_coeff[2][2] = 0x38b4; csc_coeff[2][3] = 0x7e3b; csc_scale = 1; coeff_selected = true; } else if (hdmi->hdmi_data.colorimetry == eITU709) { csc_coeff[0][0] = 0x2000; csc_coeff[0][1] = 0x7106; csc_coeff[0][2] = 0x7a02; csc_coeff[0][3] = 0x00a7; csc_coeff[1][0] = 0x2000; csc_coeff[1][1] = 0x3264; csc_coeff[1][2] = 0x0000; csc_coeff[1][3] = 0x7e6d; csc_coeff[2][0] = 0x2000; csc_coeff[2][1] = 0x0000; csc_coeff[2][2] = 0x3b61; csc_coeff[2][3] = 0x7e25; csc_scale = 1; coeff_selected = true; } } else if (hdmi->hdmi_data.enc_in_format == RGB) { if (hdmi->hdmi_data.colorimetry == eITU601) { csc_coeff[0][0] = 0x2591; csc_coeff[0][1] = 0x1322; csc_coeff[0][2] = 0x074b; csc_coeff[0][3] = 0x0000; csc_coeff[1][0] = 0x6535; csc_coeff[1][1] = 0x2000; csc_coeff[1][2] = 0x7acc; csc_coeff[1][3] = 0x0200; csc_coeff[2][0] = 0x6acd; csc_coeff[2][1] = 0x7534; csc_coeff[2][2] = 0x2000; csc_coeff[2][3] = 0x0200; csc_scale = 0; coeff_selected = true; } else if (hdmi->hdmi_data.colorimetry == eITU709) { csc_coeff[0][0] = 0x2dc5; csc_coeff[0][1] = 0x0d9b; csc_coeff[0][2] = 0x049e; csc_coeff[0][3] = 0x0000; csc_coeff[1][0] = 0x62f0; csc_coeff[1][1] = 0x2000; csc_coeff[1][2] = 0x7d11; csc_coeff[1][3] = 0x0200; csc_coeff[2][0] = 0x6756; csc_coeff[2][1] = 0x78ab; csc_coeff[2][2] = 0x2000; csc_coeff[2][3] = 0x0200; csc_scale = 0; coeff_selected = true; } } } if (!coeff_selected) { csc_coeff[0][0] = 0x2000; csc_coeff[0][1] = 0x0000; csc_coeff[0][2] = 0x0000; csc_coeff[0][3] = 0x0000; csc_coeff[1][0] = 0x0000; csc_coeff[1][1] = 0x2000; csc_coeff[1][2] = 0x0000; csc_coeff[1][3] = 0x0000; csc_coeff[2][0] = 0x0000; csc_coeff[2][1] = 0x0000; csc_coeff[2][2] = 0x2000; csc_coeff[2][3] = 0x0000; csc_scale = 1; } /* Update CSC parameters in HDMI CSC registers */ hdmi_writeb((unsigned char)(csc_coeff[0][0] & 0xFF), HDMI_CSC_COEF_A1_LSB); hdmi_writeb((unsigned char)(csc_coeff[0][0] >> 8), HDMI_CSC_COEF_A1_MSB); hdmi_writeb((unsigned char)(csc_coeff[0][1] & 0xFF), HDMI_CSC_COEF_A2_LSB); hdmi_writeb((unsigned char)(csc_coeff[0][1] >> 8), HDMI_CSC_COEF_A2_MSB); hdmi_writeb((unsigned char)(csc_coeff[0][2] & 0xFF), HDMI_CSC_COEF_A3_LSB); hdmi_writeb((unsigned char)(csc_coeff[0][2] >> 8), HDMI_CSC_COEF_A3_MSB); hdmi_writeb((unsigned char)(csc_coeff[0][3] & 0xFF), HDMI_CSC_COEF_A4_LSB); hdmi_writeb((unsigned char)(csc_coeff[0][3] >> 8), HDMI_CSC_COEF_A4_MSB); hdmi_writeb((unsigned char)(csc_coeff[1][0] & 0xFF), HDMI_CSC_COEF_B1_LSB); hdmi_writeb((unsigned char)(csc_coeff[1][0] >> 8), HDMI_CSC_COEF_B1_MSB); hdmi_writeb((unsigned char)(csc_coeff[1][1] & 0xFF), HDMI_CSC_COEF_B2_LSB); hdmi_writeb((unsigned char)(csc_coeff[1][1] >> 8), HDMI_CSC_COEF_B2_MSB); hdmi_writeb((unsigned char)(csc_coeff[1][2] & 0xFF), HDMI_CSC_COEF_B3_LSB); hdmi_writeb((unsigned char)(csc_coeff[1][2] >> 8), HDMI_CSC_COEF_B3_MSB); hdmi_writeb((unsigned char)(csc_coeff[1][3] & 0xFF), HDMI_CSC_COEF_B4_LSB); hdmi_writeb((unsigned char)(csc_coeff[1][3] >> 8), HDMI_CSC_COEF_B4_MSB); hdmi_writeb((unsigned char)(csc_coeff[2][0] & 0xFF), HDMI_CSC_COEF_C1_LSB); hdmi_writeb((unsigned char)(csc_coeff[2][0] >> 8), HDMI_CSC_COEF_C1_MSB); hdmi_writeb((unsigned char)(csc_coeff[2][1] & 0xFF), HDMI_CSC_COEF_C2_LSB); hdmi_writeb((unsigned char)(csc_coeff[2][1] >> 8), HDMI_CSC_COEF_C2_MSB); hdmi_writeb((unsigned char)(csc_coeff[2][2] & 0xFF), HDMI_CSC_COEF_C3_LSB); hdmi_writeb((unsigned char)(csc_coeff[2][2] >> 8), HDMI_CSC_COEF_C3_MSB); hdmi_writeb((unsigned char)(csc_coeff[2][3] & 0xFF), HDMI_CSC_COEF_C4_LSB); hdmi_writeb((unsigned char)(csc_coeff[2][3] >> 8), HDMI_CSC_COEF_C4_MSB); val = hdmi_readb(HDMI_CSC_SCALE); val &= ~HDMI_CSC_SCALE_CSCSCALE_MASK; val |= csc_scale & HDMI_CSC_SCALE_CSCSCALE_MASK; hdmi_writeb(val, HDMI_CSC_SCALE); } static void hdmi_video_csc(struct mxc_hdmi *hdmi) { int color_depth = 0; int interpolation = HDMI_CSC_CFG_INTMODE_DISABLE; int decimation = 0; u8 val; /* YCC422 interpolation to 444 mode */ if (isColorSpaceInterpolation(hdmi)) interpolation = HDMI_CSC_CFG_INTMODE_CHROMA_INT_FORMULA1; else if (isColorSpaceDecimation(hdmi)) decimation = HDMI_CSC_CFG_DECMODE_CHROMA_INT_FORMULA3; if (hdmi->hdmi_data.enc_color_depth == 8) color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_24BPP; else if (hdmi->hdmi_data.enc_color_depth == 10) color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_30BPP; else if (hdmi->hdmi_data.enc_color_depth == 12) color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_36BPP; else if (hdmi->hdmi_data.enc_color_depth == 16) color_depth = HDMI_CSC_SCALE_CSC_COLORDE_PTH_48BPP; else return; /*configure the CSC registers */ hdmi_writeb(interpolation | decimation, HDMI_CSC_CFG); val = hdmi_readb(HDMI_CSC_SCALE); val &= ~HDMI_CSC_SCALE_CSC_COLORDE_PTH_MASK; val |= color_depth; hdmi_writeb(val, HDMI_CSC_SCALE); update_csc_coeffs(hdmi); } /*! * HDMI video packetizer is used to packetize the data. * for example, if input is YCC422 mode or repeater is used, * data should be repacked this module can be bypassed. */ static void hdmi_video_packetize(struct mxc_hdmi *hdmi) { unsigned int color_depth = 0; unsigned int remap_size = HDMI_VP_REMAP_YCC422_16bit; unsigned int output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_PP; struct hdmi_data_info *hdmi_data = &hdmi->hdmi_data; u8 val; if (hdmi_data->enc_out_format == RGB || hdmi_data->enc_out_format == YCBCR444) { if (hdmi_data->enc_color_depth == 0) output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS; else if (hdmi_data->enc_color_depth == 8) { color_depth = 4; output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS; } else if (hdmi_data->enc_color_depth == 10) color_depth = 5; else if (hdmi_data->enc_color_depth == 12) color_depth = 6; else if (hdmi_data->enc_color_depth == 16) color_depth = 7; else return; } else if (hdmi_data->enc_out_format == YCBCR422_8BITS) { if (hdmi_data->enc_color_depth == 0 || hdmi_data->enc_color_depth == 8) remap_size = HDMI_VP_REMAP_YCC422_16bit; else if (hdmi_data->enc_color_depth == 10) remap_size = HDMI_VP_REMAP_YCC422_20bit; else if (hdmi_data->enc_color_depth == 12) remap_size = HDMI_VP_REMAP_YCC422_24bit; else return; output_select = HDMI_VP_CONF_OUTPUT_SELECTOR_YCC422; } else return; /* HDMI not support deep color, * because IPU MAX support color depth is 24bit */ color_depth = 0; /* set the packetizer registers */ val = ((color_depth << HDMI_VP_PR_CD_COLOR_DEPTH_OFFSET) & HDMI_VP_PR_CD_COLOR_DEPTH_MASK) | ((hdmi_data->pix_repet_factor << HDMI_VP_PR_CD_DESIRED_PR_FACTOR_OFFSET) & HDMI_VP_PR_CD_DESIRED_PR_FACTOR_MASK); hdmi_writeb(val, HDMI_VP_PR_CD); val = hdmi_readb(HDMI_VP_STUFF); val &= ~HDMI_VP_STUFF_PR_STUFFING_MASK; val |= HDMI_VP_STUFF_PR_STUFFING_STUFFING_MODE; hdmi_writeb(val, HDMI_VP_STUFF); /* Data from pixel repeater block */ if (hdmi_data->pix_repet_factor > 1) { val = hdmi_readb(HDMI_VP_CONF); val &= ~(HDMI_VP_CONF_PR_EN_MASK | HDMI_VP_CONF_BYPASS_SELECT_MASK); val |= HDMI_VP_CONF_PR_EN_ENABLE | HDMI_VP_CONF_BYPASS_SELECT_PIX_REPEATER; hdmi_writeb(val, HDMI_VP_CONF); } else { /* data from packetizer block */ val = hdmi_readb(HDMI_VP_CONF); val &= ~(HDMI_VP_CONF_PR_EN_MASK | HDMI_VP_CONF_BYPASS_SELECT_MASK); val |= HDMI_VP_CONF_PR_EN_DISABLE | HDMI_VP_CONF_BYPASS_SELECT_VID_PACKETIZER; hdmi_writeb(val, HDMI_VP_CONF); } val = hdmi_readb(HDMI_VP_STUFF); val &= ~HDMI_VP_STUFF_IDEFAULT_PHASE_MASK; val |= 1 << HDMI_VP_STUFF_IDEFAULT_PHASE_OFFSET; hdmi_writeb(val, HDMI_VP_STUFF); hdmi_writeb(remap_size, HDMI_VP_REMAP); if (output_select == HDMI_VP_CONF_OUTPUT_SELECTOR_PP) { val = hdmi_readb(HDMI_VP_CONF); val &= ~(HDMI_VP_CONF_BYPASS_EN_MASK | HDMI_VP_CONF_PP_EN_ENMASK | HDMI_VP_CONF_YCC422_EN_MASK); val |= HDMI_VP_CONF_BYPASS_EN_DISABLE | HDMI_VP_CONF_PP_EN_ENABLE | HDMI_VP_CONF_YCC422_EN_DISABLE; hdmi_writeb(val, HDMI_VP_CONF); } else if (output_select == HDMI_VP_CONF_OUTPUT_SELECTOR_YCC422) { val = hdmi_readb(HDMI_VP_CONF); val &= ~(HDMI_VP_CONF_BYPASS_EN_MASK | HDMI_VP_CONF_PP_EN_ENMASK | HDMI_VP_CONF_YCC422_EN_MASK); val |= HDMI_VP_CONF_BYPASS_EN_DISABLE | HDMI_VP_CONF_PP_EN_DISABLE | HDMI_VP_CONF_YCC422_EN_ENABLE; hdmi_writeb(val, HDMI_VP_CONF); } else if (output_select == HDMI_VP_CONF_OUTPUT_SELECTOR_BYPASS) { val = hdmi_readb(HDMI_VP_CONF); val &= ~(HDMI_VP_CONF_BYPASS_EN_MASK | HDMI_VP_CONF_PP_EN_ENMASK | HDMI_VP_CONF_YCC422_EN_MASK); val |= HDMI_VP_CONF_BYPASS_EN_ENABLE | HDMI_VP_CONF_PP_EN_DISABLE | HDMI_VP_CONF_YCC422_EN_DISABLE; hdmi_writeb(val, HDMI_VP_CONF); } else { return; } val = hdmi_readb(HDMI_VP_STUFF); val &= ~(HDMI_VP_STUFF_PP_STUFFING_MASK | HDMI_VP_STUFF_YCC422_STUFFING_MASK); val |= HDMI_VP_STUFF_PP_STUFFING_STUFFING_MODE | HDMI_VP_STUFF_YCC422_STUFFING_STUFFING_MODE; hdmi_writeb(val, HDMI_VP_STUFF); val = hdmi_readb(HDMI_VP_CONF); val &= ~HDMI_VP_CONF_OUTPUT_SELECTOR_MASK; val |= output_select; hdmi_writeb(val, HDMI_VP_CONF); } #if 0 /* Force a fixed color screen */ static void hdmi_video_force_output(struct mxc_hdmi *hdmi, unsigned char force) { u8 val; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); if (force) { hdmi_writeb(0x00, HDMI_FC_DBGTMDS2); /* R */ hdmi_writeb(0x00, HDMI_FC_DBGTMDS1); /* G */ hdmi_writeb(0xFF, HDMI_FC_DBGTMDS0); /* B */ val = hdmi_readb(HDMI_FC_DBGFORCE); val |= HDMI_FC_DBGFORCE_FORCEVIDEO; hdmi_writeb(val, HDMI_FC_DBGFORCE); } else { val = hdmi_readb(HDMI_FC_DBGFORCE); val &= ~HDMI_FC_DBGFORCE_FORCEVIDEO; hdmi_writeb(val, HDMI_FC_DBGFORCE); hdmi_writeb(0x00, HDMI_FC_DBGTMDS2); /* R */ hdmi_writeb(0x00, HDMI_FC_DBGTMDS1); /* G */ hdmi_writeb(0x00, HDMI_FC_DBGTMDS0); /* B */ } } #endif static inline void hdmi_phy_test_clear(struct mxc_hdmi *hdmi, unsigned char bit) { u8 val = hdmi_readb(HDMI_PHY_TST0); val &= ~HDMI_PHY_TST0_TSTCLR_MASK; val |= (bit << HDMI_PHY_TST0_TSTCLR_OFFSET) & HDMI_PHY_TST0_TSTCLR_MASK; hdmi_writeb(val, HDMI_PHY_TST0); } static inline void hdmi_phy_test_enable(struct mxc_hdmi *hdmi, unsigned char bit) { u8 val = hdmi_readb(HDMI_PHY_TST0); val &= ~HDMI_PHY_TST0_TSTEN_MASK; val |= (bit << HDMI_PHY_TST0_TSTEN_OFFSET) & HDMI_PHY_TST0_TSTEN_MASK; hdmi_writeb(val, HDMI_PHY_TST0); } static inline void hdmi_phy_test_clock(struct mxc_hdmi *hdmi, unsigned char bit) { u8 val = hdmi_readb(HDMI_PHY_TST0); val &= ~HDMI_PHY_TST0_TSTCLK_MASK; val |= (bit << HDMI_PHY_TST0_TSTCLK_OFFSET) & HDMI_PHY_TST0_TSTCLK_MASK; hdmi_writeb(val, HDMI_PHY_TST0); } static inline void hdmi_phy_test_din(struct mxc_hdmi *hdmi, unsigned char bit) { hdmi_writeb(bit, HDMI_PHY_TST1); } static inline void hdmi_phy_test_dout(struct mxc_hdmi *hdmi, unsigned char bit) { hdmi_writeb(bit, HDMI_PHY_TST2); } static bool hdmi_phy_wait_i2c_done(struct mxc_hdmi *hdmi, int msec) { unsigned char val = 0; val = hdmi_readb(HDMI_IH_I2CMPHY_STAT0) & 0x3; while (val == 0) { udelay(1000); if (msec-- == 0) return false; val = hdmi_readb(HDMI_IH_I2CMPHY_STAT0) & 0x3; } return true; } static void hdmi_phy_i2c_write(struct mxc_hdmi *hdmi, unsigned short data, unsigned char addr) { hdmi_writeb(0xFF, HDMI_IH_I2CMPHY_STAT0); hdmi_writeb(addr, HDMI_PHY_I2CM_ADDRESS_ADDR); hdmi_writeb((unsigned char)(data >> 8), HDMI_PHY_I2CM_DATAO_1_ADDR); hdmi_writeb((unsigned char)(data >> 0), HDMI_PHY_I2CM_DATAO_0_ADDR); hdmi_writeb(HDMI_PHY_I2CM_OPERATION_ADDR_WRITE, HDMI_PHY_I2CM_OPERATION_ADDR); hdmi_phy_wait_i2c_done(hdmi, 1000); } #if 0 static unsigned short hdmi_phy_i2c_read(struct mxc_hdmi *hdmi, unsigned char addr) { unsigned short data; unsigned char msb = 0, lsb = 0; hdmi_writeb(0xFF, HDMI_IH_I2CMPHY_STAT0); hdmi_writeb(addr, HDMI_PHY_I2CM_ADDRESS_ADDR); hdmi_writeb(HDMI_PHY_I2CM_OPERATION_ADDR_READ, HDMI_PHY_I2CM_OPERATION_ADDR); hdmi_phy_wait_i2c_done(hdmi, 1000); msb = hdmi_readb(HDMI_PHY_I2CM_DATAI_1_ADDR); lsb = hdmi_readb(HDMI_PHY_I2CM_DATAI_0_ADDR); data = (msb << 8) | lsb; return data; } static int hdmi_phy_i2c_write_verify(struct mxc_hdmi *hdmi, unsigned short data, unsigned char addr) { unsigned short val = 0; hdmi_phy_i2c_write(hdmi, data, addr); val = hdmi_phy_i2c_read(hdmi, addr); return (val == data); } #endif /* "Power-down enable (active low)" * That mean that power up == 1! */ static void mxc_hdmi_phy_enable_power(u8 enable) { hdmi_mask_writeb(enable, HDMI_PHY_CONF0, HDMI_PHY_CONF0_PDZ_OFFSET, HDMI_PHY_CONF0_PDZ_MASK); } static void mxc_hdmi_phy_enable_tmds(u8 enable) { hdmi_mask_writeb(enable, HDMI_PHY_CONF0, HDMI_PHY_CONF0_ENTMDS_OFFSET, HDMI_PHY_CONF0_ENTMDS_MASK); } static void mxc_hdmi_phy_gen2_pddq(u8 enable) { hdmi_mask_writeb(enable, HDMI_PHY_CONF0, HDMI_PHY_CONF0_GEN2_PDDQ_OFFSET, HDMI_PHY_CONF0_GEN2_PDDQ_MASK); } static void mxc_hdmi_phy_gen2_txpwron(u8 enable) { hdmi_mask_writeb(enable, HDMI_PHY_CONF0, HDMI_PHY_CONF0_GEN2_TXPWRON_OFFSET, HDMI_PHY_CONF0_GEN2_TXPWRON_MASK); } #if 0 static void mxc_hdmi_phy_gen2_enhpdrxsense(u8 enable) { hdmi_mask_writeb(enable, HDMI_PHY_CONF0, HDMI_PHY_CONF0_GEN2_ENHPDRXSENSE_OFFSET, HDMI_PHY_CONF0_GEN2_ENHPDRXSENSE_MASK); } #endif static void mxc_hdmi_phy_sel_data_en_pol(u8 enable) { hdmi_mask_writeb(enable, HDMI_PHY_CONF0, HDMI_PHY_CONF0_SELDATAENPOL_OFFSET, HDMI_PHY_CONF0_SELDATAENPOL_MASK); } static void mxc_hdmi_phy_sel_interface_control(u8 enable) { hdmi_mask_writeb(enable, HDMI_PHY_CONF0, HDMI_PHY_CONF0_SELDIPIF_OFFSET, HDMI_PHY_CONF0_SELDIPIF_MASK); } static int hdmi_phy_configure(struct mxc_hdmi *hdmi, unsigned char pRep, unsigned char cRes, int cscOn) { u8 val; u8 msec; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); /* color resolution 0 is 8 bit colour depth */ if (cRes == 0) cRes = 8; if (pRep != 0) return false; else if (cRes != 8 && cRes != 12) return false; /* Enable csc path */ if (cscOn) val = HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_IN_PATH; else val = HDMI_MC_FLOWCTRL_FEED_THROUGH_OFF_CSC_BYPASS; hdmi_writeb(val, HDMI_MC_FLOWCTRL); /* gen2 tx power off */ mxc_hdmi_phy_gen2_txpwron(0); /* gen2 pddq */ mxc_hdmi_phy_gen2_pddq(1); /* PHY reset */ hdmi_writeb(HDMI_MC_PHYRSTZ_DEASSERT, HDMI_MC_PHYRSTZ); hdmi_writeb(HDMI_MC_PHYRSTZ_ASSERT, HDMI_MC_PHYRSTZ); hdmi_writeb(HDMI_MC_HEACPHY_RST_ASSERT, HDMI_MC_HEACPHY_RST); hdmi_phy_test_clear(hdmi, 1); hdmi_writeb(HDMI_PHY_I2CM_SLAVE_ADDR_PHY_GEN2, HDMI_PHY_I2CM_SLAVE_ADDR); hdmi_phy_test_clear(hdmi, 0); if (hdmi->hdmi_data.video_mode.mPixelClock < 0) { dev_dbg(&hdmi->pdev->dev, "Pixel clock (%d) must be positive\n", hdmi->hdmi_data.video_mode.mPixelClock); return false; } if (hdmi->hdmi_data.video_mode.mPixelClock <= 45250000) { switch (cRes) { case 8: /* PLL/MPLL Cfg */ hdmi_phy_i2c_write(hdmi, 0x01e0, 0x06); hdmi_phy_i2c_write(hdmi, 0x0000, 0x15); /* GMPCTRL */ break; case 10: hdmi_phy_i2c_write(hdmi, 0x21e1, 0x06); hdmi_phy_i2c_write(hdmi, 0x0000, 0x15); break; case 12: hdmi_phy_i2c_write(hdmi, 0x41e2, 0x06); hdmi_phy_i2c_write(hdmi, 0x0000, 0x15); break; default: return false; } } else if (hdmi->hdmi_data.video_mode.mPixelClock <= 92500000) { switch (cRes) { case 8: hdmi_phy_i2c_write(hdmi, 0x0140, 0x06); hdmi_phy_i2c_write(hdmi, 0x0005, 0x15); break; case 10: hdmi_phy_i2c_write(hdmi, 0x2141, 0x06); hdmi_phy_i2c_write(hdmi, 0x0005, 0x15); break; case 12: hdmi_phy_i2c_write(hdmi, 0x4142, 0x06); hdmi_phy_i2c_write(hdmi, 0x0005, 0x15); default: return false; } } else if (hdmi->hdmi_data.video_mode.mPixelClock <= 148500000) { switch (cRes) { case 8: hdmi_phy_i2c_write(hdmi, 0x00a0, 0x06); hdmi_phy_i2c_write(hdmi, 0x000a, 0x15); break; case 10: hdmi_phy_i2c_write(hdmi, 0x20a1, 0x06); hdmi_phy_i2c_write(hdmi, 0x000a, 0x15); break; case 12: hdmi_phy_i2c_write(hdmi, 0x40a2, 0x06); hdmi_phy_i2c_write(hdmi, 0x000a, 0x15); default: return false; } } else { switch (cRes) { case 8: hdmi_phy_i2c_write(hdmi, 0x00a0, 0x06); hdmi_phy_i2c_write(hdmi, 0x000a, 0x15); break; case 10: hdmi_phy_i2c_write(hdmi, 0x2001, 0x06); hdmi_phy_i2c_write(hdmi, 0x000f, 0x15); break; case 12: hdmi_phy_i2c_write(hdmi, 0x4002, 0x06); hdmi_phy_i2c_write(hdmi, 0x000f, 0x15); default: return false; } } if (hdmi->hdmi_data.video_mode.mPixelClock <= 54000000) { switch (cRes) { case 8: hdmi_phy_i2c_write(hdmi, 0x091c, 0x10); /* CURRCTRL */ break; case 10: hdmi_phy_i2c_write(hdmi, 0x091c, 0x10); break; case 12: hdmi_phy_i2c_write(hdmi, 0x06dc, 0x10); break; default: return false; } } else if (hdmi->hdmi_data.video_mode.mPixelClock <= 58400000) { switch (cRes) { case 8: hdmi_phy_i2c_write(hdmi, 0x091c, 0x10); break; case 10: hdmi_phy_i2c_write(hdmi, 0x06dc, 0x10); break; case 12: hdmi_phy_i2c_write(hdmi, 0x06dc, 0x10); break; default: return false; } } else if (hdmi->hdmi_data.video_mode.mPixelClock <= 72000000) { switch (cRes) { case 8: hdmi_phy_i2c_write(hdmi, 0x06dc, 0x10); break; case 10: hdmi_phy_i2c_write(hdmi, 0x06dc, 0x10); break; case 12: hdmi_phy_i2c_write(hdmi, 0x091c, 0x10); break; default: return false; } } else if (hdmi->hdmi_data.video_mode.mPixelClock <= 74250000) { switch (cRes) { case 8: hdmi_phy_i2c_write(hdmi, 0x06dc, 0x10); break; case 10: hdmi_phy_i2c_write(hdmi, 0x0b5c, 0x10); break; case 12: hdmi_phy_i2c_write(hdmi, 0x091c, 0x10); break; default: return false; } } else if (hdmi->hdmi_data.video_mode.mPixelClock <= 118800000) { switch (cRes) { case 8: hdmi_phy_i2c_write(hdmi, 0x091c, 0x10); break; case 10: hdmi_phy_i2c_write(hdmi, 0x091c, 0x10); break; case 12: hdmi_phy_i2c_write(hdmi, 0x06dc, 0x10); break; default: return false; } } else if (hdmi->hdmi_data.video_mode.mPixelClock <= 216000000) { switch (cRes) { case 8: hdmi_phy_i2c_write(hdmi, 0x06dc, 0x10); break; case 10: hdmi_phy_i2c_write(hdmi, 0x0b5c, 0x10); break; case 12: hdmi_phy_i2c_write(hdmi, 0x091c, 0x10); break; default: return false; } } else { dev_err(&hdmi->pdev->dev, "Pixel clock %d - unsupported by HDMI\n", hdmi->hdmi_data.video_mode.mPixelClock); return false; } hdmi_phy_i2c_write(hdmi, 0x0000, 0x13); /* PLLPHBYCTRL */ hdmi_phy_i2c_write(hdmi, 0x0006, 0x17); /* RESISTANCE TERM 133Ohm Cfg */ hdmi_phy_i2c_write(hdmi, 0x0005, 0x19); /* TXTERM */ /* PREEMP Cgf 0.00 */ hdmi_phy_i2c_write(hdmi, 0x800d, 0x09); /* CKSYMTXCTRL */ /* TX/CK LVL 10 */ hdmi_phy_i2c_write(hdmi, 0x01ad, 0x0E); /* VLEVCTRL */ /* Board specific setting for PHY register 0x09, 0x0e to pass HCT */ if (hdmi->phy_config.reg_cksymtx != 0) hdmi_phy_i2c_write(hdmi, hdmi->phy_config.reg_cksymtx, 0x09); if (hdmi->phy_config.reg_vlev != 0) hdmi_phy_i2c_write(hdmi, hdmi->phy_config.reg_vlev, 0x0E); /* REMOVE CLK TERM */ hdmi_phy_i2c_write(hdmi, 0x8000, 0x05); /* CKCALCTRL */ if (hdmi->hdmi_data.video_mode.mPixelClock > 148500000) { hdmi_phy_i2c_write(hdmi, 0x800b, 0x09); hdmi_phy_i2c_write(hdmi, 0x0129, 0x0E); } mxc_hdmi_phy_enable_power(1); /* toggle TMDS enable */ mxc_hdmi_phy_enable_tmds(0); mxc_hdmi_phy_enable_tmds(1); /* gen2 tx power on */ mxc_hdmi_phy_gen2_txpwron(1); mxc_hdmi_phy_gen2_pddq(0); /*Wait for PHY PLL lock */ msec = 4; val = hdmi_readb(HDMI_PHY_STAT0) & HDMI_PHY_TX_PHY_LOCK; while (val == 0) { udelay(1000); if (msec-- == 0) { dev_dbg(&hdmi->pdev->dev, "PHY PLL not locked\n"); return false; } val = hdmi_readb(HDMI_PHY_STAT0) & HDMI_PHY_TX_PHY_LOCK; } return true; } static void mxc_hdmi_phy_init(struct mxc_hdmi *hdmi) { int i; bool cscon = false; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); /* Never do phy init if pixel clock is gated. * Otherwise HDMI PHY will get messed up and generate an overflow * interrupt that can't be cleared or detected by accessing the * status register. */ if (!hdmi->fb_reg || !hdmi->cable_plugin || (hdmi->blank != FB_BLANK_UNBLANK)) return; /*check csc whether needed activated in HDMI mode */ cscon = (isColorSpaceConversion(hdmi) && !hdmi->hdmi_data.video_mode.mDVI); /* HDMI Phy spec says to do the phy initialization sequence twice */ for (i = 0 ; i < 2 ; i++) { mxc_hdmi_phy_sel_data_en_pol(1); mxc_hdmi_phy_sel_interface_control(0); mxc_hdmi_phy_enable_tmds(0); mxc_hdmi_phy_enable_power(0); /* Enable CSC */ hdmi_phy_configure(hdmi, 0, 8, cscon); } hdmi->phy_enabled = true; } static void hdmi_tx_hdcp_config(struct mxc_hdmi *hdmi) { u8 de, val; if (hdmi->hdmi_data.video_mode.mDataEnablePolarity) de = HDMI_A_VIDPOLCFG_DATAENPOL_ACTIVE_HIGH; else de = HDMI_A_VIDPOLCFG_DATAENPOL_ACTIVE_LOW; /* disable rx detect */ val = hdmi_readb(HDMI_A_HDCPCFG0); val &= HDMI_A_HDCPCFG0_RXDETECT_MASK; val |= HDMI_A_HDCPCFG0_RXDETECT_DISABLE; hdmi_writeb(val, HDMI_A_HDCPCFG0); val = hdmi_readb(HDMI_A_VIDPOLCFG); val &= HDMI_A_VIDPOLCFG_DATAENPOL_MASK; val |= de; hdmi_writeb(val, HDMI_A_VIDPOLCFG); val = hdmi_readb(HDMI_A_HDCPCFG1); val &= HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_MASK; val |= HDMI_A_HDCPCFG1_ENCRYPTIONDISABLE_DISABLE; hdmi_writeb(val, HDMI_A_HDCPCFG1); } static void hdmi_config_AVI(struct mxc_hdmi *hdmi) { u8 val; u8 pix_fmt; u8 under_scan; u8 act_ratio, coded_ratio, colorimetry, ext_colorimetry; struct fb_videomode mode; const struct fb_videomode *edid_mode; bool aspect_16_9; dev_dbg(&hdmi->pdev->dev, "set up AVI frame\n"); fb_var_to_videomode(&mode, &hdmi->fbi->var); /* Use mode from list extracted from EDID to get aspect ratio */ if (!list_empty(&hdmi->fbi->modelist)) { edid_mode = fb_find_nearest_mode(&mode, &hdmi->fbi->modelist); if (edid_mode->vmode & FB_VMODE_ASPECT_16_9) aspect_16_9 = true; else aspect_16_9 = false; } else aspect_16_9 = false; /******************************************** * AVI Data Byte 1 ********************************************/ if (hdmi->hdmi_data.enc_out_format == YCBCR444) pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_YCBCR444; else if (hdmi->hdmi_data.enc_out_format == YCBCR422_8BITS) pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_YCBCR422; else pix_fmt = HDMI_FC_AVICONF0_PIX_FMT_RGB; if (hdmi->edid_cfg.cea_underscan) under_scan = HDMI_FC_AVICONF0_SCAN_INFO_UNDERSCAN; else under_scan = HDMI_FC_AVICONF0_SCAN_INFO_NODATA; /* * Active format identification data is present in the AVI InfoFrame. * Under scan info, no bar data */ val = pix_fmt | under_scan | HDMI_FC_AVICONF0_ACTIVE_FMT_INFO_PRESENT | HDMI_FC_AVICONF0_BAR_DATA_NO_DATA; hdmi_writeb(val, HDMI_FC_AVICONF0); /******************************************** * AVI Data Byte 2 ********************************************/ /* Set the Aspect Ratio */ if (aspect_16_9) { act_ratio = HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_16_9; coded_ratio = HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_16_9; } else { act_ratio = HDMI_FC_AVICONF1_ACTIVE_ASPECT_RATIO_4_3; coded_ratio = HDMI_FC_AVICONF1_CODED_ASPECT_RATIO_4_3; } /* Set up colorimetry */ if (hdmi->hdmi_data.enc_out_format == XVYCC444) { colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_EXTENDED_INFO; if (hdmi->hdmi_data.colorimetry == eITU601) ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601; else /* hdmi->hdmi_data.colorimetry == eITU709 */ ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC709; } else if (hdmi->hdmi_data.enc_out_format != RGB) { if (hdmi->hdmi_data.colorimetry == eITU601) colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_SMPTE; else /* hdmi->hdmi_data.colorimetry == eITU709 */ colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_ITUR; ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601; } else { /* Carries no data */ colorimetry = HDMI_FC_AVICONF1_COLORIMETRY_NO_DATA; ext_colorimetry = HDMI_FC_AVICONF2_EXT_COLORIMETRY_XVYCC601; } val = colorimetry | coded_ratio | act_ratio; hdmi_writeb(val, HDMI_FC_AVICONF1); /******************************************** * AVI Data Byte 3 ********************************************/ val = HDMI_FC_AVICONF2_IT_CONTENT_NO_DATA | ext_colorimetry | HDMI_FC_AVICONF2_RGB_QUANT_DEFAULT | HDMI_FC_AVICONF2_SCALING_NONE; hdmi_writeb(val, HDMI_FC_AVICONF2); /******************************************** * AVI Data Byte 4 ********************************************/ hdmi_writeb(hdmi->vic, HDMI_FC_AVIVID); /******************************************** * AVI Data Byte 5 ********************************************/ /* Set up input and output pixel repetition */ val = (((hdmi->hdmi_data.video_mode.mPixelRepetitionInput + 1) << HDMI_FC_PRCONF_INCOMING_PR_FACTOR_OFFSET) & HDMI_FC_PRCONF_INCOMING_PR_FACTOR_MASK) | ((hdmi->hdmi_data.video_mode.mPixelRepetitionOutput << HDMI_FC_PRCONF_OUTPUT_PR_FACTOR_OFFSET) & HDMI_FC_PRCONF_OUTPUT_PR_FACTOR_MASK); hdmi_writeb(val, HDMI_FC_PRCONF); /* IT Content and quantization range = don't care */ val = HDMI_FC_AVICONF3_IT_CONTENT_TYPE_GRAPHICS | HDMI_FC_AVICONF3_QUANT_RANGE_LIMITED; hdmi_writeb(val, HDMI_FC_AVICONF3); /******************************************** * AVI Data Bytes 6-13 ********************************************/ hdmi_writeb(0, HDMI_FC_AVIETB0); hdmi_writeb(0, HDMI_FC_AVIETB1); hdmi_writeb(0, HDMI_FC_AVISBB0); hdmi_writeb(0, HDMI_FC_AVISBB1); hdmi_writeb(0, HDMI_FC_AVIELB0); hdmi_writeb(0, HDMI_FC_AVIELB1); hdmi_writeb(0, HDMI_FC_AVISRB0); hdmi_writeb(0, HDMI_FC_AVISRB1); } /*! * this submodule is responsible for the video/audio data composition. */ static void hdmi_av_composer(struct mxc_hdmi *hdmi) { u8 inv_val; struct fb_info *fbi = hdmi->fbi; struct fb_videomode fb_mode; struct hdmi_vmode *vmode = &hdmi->hdmi_data.video_mode; int hblank, vblank; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); fb_var_to_videomode(&fb_mode, &fbi->var); vmode->mHSyncPolarity = ((fb_mode.sync & FB_SYNC_HOR_HIGH_ACT) != 0); vmode->mVSyncPolarity = ((fb_mode.sync & FB_SYNC_VERT_HIGH_ACT) != 0); vmode->mInterlaced = ((fb_mode.vmode & FB_VMODE_INTERLACED) != 0); vmode->mPixelClock = (fb_mode.xres + fb_mode.left_margin + fb_mode.right_margin + fb_mode.hsync_len) * (fb_mode.yres + fb_mode.upper_margin + fb_mode.lower_margin + fb_mode.vsync_len) * fb_mode.refresh; dev_dbg(&hdmi->pdev->dev, "final pixclk = %d\n", vmode->mPixelClock); /* Set up HDMI_FC_INVIDCONF */ inv_val = (hdmi->hdmi_data.hdcp_enable ? HDMI_FC_INVIDCONF_HDCP_KEEPOUT_ACTIVE : HDMI_FC_INVIDCONF_HDCP_KEEPOUT_INACTIVE); inv_val |= (vmode->mVSyncPolarity ? HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_HIGH : HDMI_FC_INVIDCONF_VSYNC_IN_POLARITY_ACTIVE_LOW); inv_val |= (vmode->mHSyncPolarity ? HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_HIGH : HDMI_FC_INVIDCONF_HSYNC_IN_POLARITY_ACTIVE_LOW); inv_val |= (vmode->mDataEnablePolarity ? HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_HIGH : HDMI_FC_INVIDCONF_DE_IN_POLARITY_ACTIVE_LOW); if (hdmi->vic == 39) inv_val |= HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_HIGH; else inv_val |= (vmode->mInterlaced ? HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_HIGH : HDMI_FC_INVIDCONF_R_V_BLANK_IN_OSC_ACTIVE_LOW); inv_val |= (vmode->mInterlaced ? HDMI_FC_INVIDCONF_IN_I_P_INTERLACED : HDMI_FC_INVIDCONF_IN_I_P_PROGRESSIVE); inv_val |= (vmode->mDVI ? HDMI_FC_INVIDCONF_DVI_MODEZ_DVI_MODE : HDMI_FC_INVIDCONF_DVI_MODEZ_HDMI_MODE); hdmi_writeb(inv_val, HDMI_FC_INVIDCONF); /* Set up horizontal active pixel region width */ hdmi_writeb(fb_mode.xres >> 8, HDMI_FC_INHACTV1); hdmi_writeb(fb_mode.xres, HDMI_FC_INHACTV0); /* Set up vertical blanking pixel region width */ hdmi_writeb(fb_mode.yres >> 8, HDMI_FC_INVACTV1); hdmi_writeb(fb_mode.yres, HDMI_FC_INVACTV0); /* Set up horizontal blanking pixel region width */ hblank = fb_mode.left_margin + fb_mode.right_margin + fb_mode.hsync_len; hdmi_writeb(hblank >> 8, HDMI_FC_INHBLANK1); hdmi_writeb(hblank, HDMI_FC_INHBLANK0); /* Set up vertical blanking pixel region width */ vblank = fb_mode.upper_margin + fb_mode.lower_margin + fb_mode.vsync_len; hdmi_writeb(vblank, HDMI_FC_INVBLANK); /* Set up HSYNC active edge delay width (in pixel clks) */ hdmi_writeb(fb_mode.right_margin >> 8, HDMI_FC_HSYNCINDELAY1); hdmi_writeb(fb_mode.right_margin, HDMI_FC_HSYNCINDELAY0); /* Set up VSYNC active edge delay (in pixel clks) */ hdmi_writeb(fb_mode.lower_margin, HDMI_FC_VSYNCINDELAY); /* Set up HSYNC active pulse width (in pixel clks) */ hdmi_writeb(fb_mode.hsync_len >> 8, HDMI_FC_HSYNCINWIDTH1); hdmi_writeb(fb_mode.hsync_len, HDMI_FC_HSYNCINWIDTH0); /* Set up VSYNC active edge delay (in pixel clks) */ hdmi_writeb(fb_mode.vsync_len, HDMI_FC_VSYNCINWIDTH); dev_dbg(&hdmi->pdev->dev, "%s exit\n", __func__); } static int mxc_hdmi_read_edid(struct mxc_hdmi *hdmi) { int ret; u8 edid_old[HDMI_EDID_LEN]; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); /* save old edid */ memcpy(edid_old, hdmi->edid, HDMI_EDID_LEN); ret = mxc_edid_read(hdmi_i2c->adapter, hdmi_i2c->addr, hdmi->edid, &hdmi->edid_cfg, hdmi->fbi); if (ret < 0) return HDMI_EDID_FAIL; /* Save edid cfg for audio driver */ hdmi_set_edid_cfg(&hdmi->edid_cfg); if (!memcmp(edid_old, hdmi->edid, HDMI_EDID_LEN)) { dev_info(&hdmi->pdev->dev, "same edid\n"); return HDMI_EDID_SAME; } if (hdmi->fbi->monspecs.modedb_len == 0) { dev_info(&hdmi->pdev->dev, "No modes read from edid\n"); return HDMI_EDID_NO_MODES; } return HDMI_EDID_SUCCESS; } static void mxc_hdmi_phy_disable(struct mxc_hdmi *hdmi) { dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); if (!hdmi->phy_enabled) return; /* Setting PHY to reset status */ hdmi_writeb(HDMI_MC_PHYRSTZ_DEASSERT, HDMI_MC_PHYRSTZ); /* Power down PHY */ mxc_hdmi_phy_enable_tmds(0); mxc_hdmi_phy_enable_power(0); mxc_hdmi_phy_gen2_txpwron(0); mxc_hdmi_phy_gen2_pddq(1); hdmi->phy_enabled = false; dev_dbg(&hdmi->pdev->dev, "%s - exit\n", __func__); } /* HDMI Initialization Step B.4 */ static void mxc_hdmi_enable_video_path(struct mxc_hdmi *hdmi) { u8 clkdis; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); /* control period minimum duration */ hdmi_writeb(12, HDMI_FC_CTRLDUR); hdmi_writeb(32, HDMI_FC_EXCTRLDUR); hdmi_writeb(1, HDMI_FC_EXCTRLSPAC); /* Set to fill TMDS data channels */ hdmi_writeb(0x0B, HDMI_FC_CH0PREAM); hdmi_writeb(0x16, HDMI_FC_CH1PREAM); hdmi_writeb(0x21, HDMI_FC_CH2PREAM); /* Enable pixel clock and tmds data path */ clkdis = 0x7F; clkdis &= ~HDMI_MC_CLKDIS_PIXELCLK_DISABLE; hdmi_writeb(clkdis, HDMI_MC_CLKDIS); clkdis &= ~HDMI_MC_CLKDIS_TMDSCLK_DISABLE; hdmi_writeb(clkdis, HDMI_MC_CLKDIS); /* Enable csc path */ if (isColorSpaceConversion(hdmi)) { clkdis &= ~HDMI_MC_CLKDIS_CSCCLK_DISABLE; hdmi_writeb(clkdis, HDMI_MC_CLKDIS); } } static void hdmi_enable_audio_clk(struct mxc_hdmi *hdmi) { u8 clkdis; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); clkdis = hdmi_readb(HDMI_MC_CLKDIS); clkdis &= ~HDMI_MC_CLKDIS_AUDCLK_DISABLE; hdmi_writeb(clkdis, HDMI_MC_CLKDIS); } /* Workaround to clear the overflow condition */ static void mxc_hdmi_clear_overflow(void) { int count; u8 val; /* TMDS software reset */ hdmi_writeb((u8)~HDMI_MC_SWRSTZ_TMDSSWRST_REQ, HDMI_MC_SWRSTZ); val = hdmi_readb(HDMI_FC_INVIDCONF); if (cpu_is_mx6dl()) { hdmi_writeb(val, HDMI_FC_INVIDCONF); return; } for (count = 0 ; count < 5 ; count++) hdmi_writeb(val, HDMI_FC_INVIDCONF); } static void hdmi_enable_overflow_interrupts(void) { pr_debug("%s\n", __func__); hdmi_writeb(0, HDMI_FC_MASK2); hdmi_writeb(0, HDMI_IH_MUTE_FC_STAT2); } static void hdmi_disable_overflow_interrupts(void) { pr_debug("%s\n", __func__); hdmi_writeb(HDMI_IH_MUTE_FC_STAT2_OVERFLOW_MASK, HDMI_IH_MUTE_FC_STAT2); hdmi_writeb(0xff, HDMI_FC_MASK2); } static void mxc_hdmi_notify_fb(struct mxc_hdmi *hdmi) { dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); /* Don't notify if we aren't registered yet */ WARN_ON(!hdmi->fb_reg); /* disable the phy before ipu changes mode */ mxc_hdmi_phy_disable(hdmi); /* * Note that fb_set_var will block. During this time, * FB_EVENT_MODE_CHANGE callback will happen. * So by the end of this function, mxc_hdmi_setup() * will be done. */ hdmi->fbi->var.activate |= FB_ACTIVATE_FORCE; console_lock(); hdmi->fbi->flags |= FBINFO_MISC_USEREVENT; fb_set_var(hdmi->fbi, &hdmi->fbi->var); hdmi->fbi->flags &= ~FBINFO_MISC_USEREVENT; console_unlock(); dev_dbg(&hdmi->pdev->dev, "%s exit\n", __func__); } static void mxc_hdmi_edid_rebuild_modelist(struct mxc_hdmi *hdmi) { int i; struct fb_videomode *mode; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); console_lock(); fb_destroy_modelist(&hdmi->fbi->modelist); fb_add_videomode(&vga_mode, &hdmi->fbi->modelist); for (i = 0; i < hdmi->fbi->monspecs.modedb_len; i++) { /* * We might check here if mode is supported by HDMI. * We do not currently support interlaced modes. * And add CEA modes in the modelist. */ mode = &hdmi->fbi->monspecs.modedb[i]; if (!(mode->vmode & FB_VMODE_INTERLACED)) { int vic = mxc_edid_mode_to_vic(mode); dev_info(&hdmi->pdev->dev, "%s: Added mode %d(VIC %u):", __func__, i, vic); dev_dbg(&hdmi->pdev->dev, "xres = %d, yres = %d, freq = %d, vmode = %d, flag = %d\n", hdmi->fbi->monspecs.modedb[i].xres, hdmi->fbi->monspecs.modedb[i].yres, hdmi->fbi->monspecs.modedb[i].refresh, hdmi->fbi->monspecs.modedb[i].vmode, hdmi->fbi->monspecs.modedb[i].flag); fb_add_videomode(mode, &hdmi->fbi->modelist); } } console_unlock(); } static void mxc_hdmi_default_edid_cfg(struct mxc_hdmi *hdmi) { /* Default setting HDMI working in HDMI mode */ hdmi->edid_cfg.hdmi_cap = true; } static void mxc_hdmi_default_modelist(struct mxc_hdmi *hdmi) { u32 i; const struct fb_videomode *mode; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); /* If not EDID data read, set up default modelist */ dev_info(&hdmi->pdev->dev, "No modes read from edid\n"); dev_info(&hdmi->pdev->dev, "create default modelist\n"); console_lock(); fb_destroy_modelist(&hdmi->fbi->modelist); /*Add XGA and SXGA to default modelist */ fb_add_videomode(&vga_mode, &hdmi->fbi->modelist); fb_add_videomode(&xga_mode, &hdmi->fbi->modelist); fb_add_videomode(&sxga_mode, &hdmi->fbi->modelist); /*Add all no interlaced CEA mode to default modelist */ for (i = 0; i < ARRAY_SIZE(mxc_cea_mode); i++) { mode = &mxc_cea_mode[i]; if (!(mode->vmode & FB_VMODE_INTERLACED) && (mode->xres != 0)) fb_add_videomode(mode, &hdmi->fbi->modelist); } console_unlock(); } static void mxc_hdmi_set_mode_to_vga_dvi(struct mxc_hdmi *hdmi) { dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); hdmi_disable_overflow_interrupts(); fb_videomode_to_var(&hdmi->fbi->var, &vga_mode); hdmi->requesting_vga_for_initialization = true; mxc_hdmi_notify_fb(hdmi); hdmi->requesting_vga_for_initialization = false; } static void mxc_hdmi_set_mode(struct mxc_hdmi *hdmi) { const struct fb_videomode *mode; struct fb_videomode m; struct fb_var_screeninfo var; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); /* Set the default mode only once. */ if (!hdmi->dft_mode_set) { dev_dbg(&hdmi->pdev->dev, "%s: setting to default=%s bpp=%d\n", __func__, hdmi->dft_mode_str, hdmi->default_bpp); fb_find_mode(&var, hdmi->fbi, hdmi->dft_mode_str, NULL, 0, NULL, hdmi->default_bpp); hdmi->dft_mode_set = true; } else fb_videomode_to_var(&var, &hdmi->previous_non_vga_mode); fb_var_to_videomode(&m, &var); dump_fb_videomode(&m); mode = fb_find_nearest_mode(&m, &hdmi->fbi->modelist); if (!mode) { pr_err("%s: could not find mode in modelist\n", __func__); return; } /* If video mode same as previous, init HDMI PHY and return */ if (fb_mode_is_equal(&hdmi->previous_non_vga_mode, mode)) { dev_dbg(&hdmi->pdev->dev, "%s: Video mode same as previous\n", __func__); /* update fbi mode in case modelist is updated */ hdmi->fbi->mode = (struct fb_videomode *)mode; /* update hdmi setting in case EDID data updated */ mxc_hdmi_setup(hdmi, 0); } else { dev_dbg(&hdmi->pdev->dev, "%s: New video mode\n", __func__); mxc_hdmi_set_mode_to_vga_dvi(hdmi); fb_videomode_to_var(&hdmi->fbi->var, mode); dump_fb_videomode((struct fb_videomode *)mode); mxc_hdmi_notify_fb(hdmi); } } static void mxc_hdmi_cable_connected(struct mxc_hdmi *hdmi) { int edid_status; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); hdmi->cable_plugin = true; /* HDMI Initialization Step C */ edid_status = mxc_hdmi_read_edid(hdmi); /* Read EDID again if first EDID read failed */ if (edid_status == HDMI_EDID_NO_MODES || edid_status == HDMI_EDID_FAIL) { dev_info(&hdmi->pdev->dev, "Read EDID again\n"); edid_status = mxc_hdmi_read_edid(hdmi); } /* HDMI Initialization Steps D, E, F */ switch (edid_status) { case HDMI_EDID_SUCCESS: mxc_hdmi_edid_rebuild_modelist(hdmi); break; /* Nothing to do if EDID same */ case HDMI_EDID_SAME: break; case HDMI_EDID_FAIL: mxc_hdmi_default_edid_cfg(hdmi); /* No break here */ case HDMI_EDID_NO_MODES: default: mxc_hdmi_default_modelist(hdmi); break; } /* Setting video mode */ mxc_hdmi_set_mode(hdmi); dev_dbg(&hdmi->pdev->dev, "%s exit\n", __func__); } static int mxc_hdmi_power_on(struct mxc_dispdrv_handle *disp) { struct mxc_hdmi *hdmi = mxc_dispdrv_getdata(disp); mxc_hdmi_phy_init(hdmi); return 0; } static void mxc_hdmi_power_off(struct mxc_dispdrv_handle *disp) { struct mxc_hdmi *hdmi = mxc_dispdrv_getdata(disp); mxc_hdmi_phy_disable(hdmi); } static void mxc_hdmi_cable_disconnected(struct mxc_hdmi *hdmi) { dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); hdmi_disable_overflow_interrupts(); mxc_hdmi_phy_disable(hdmi); hdmi->cable_plugin = false; } static void hotplug_worker(struct work_struct *work) { struct delayed_work *delay_work = to_delayed_work(work); struct mxc_hdmi *hdmi = container_of(delay_work, struct mxc_hdmi, hotplug_work); u32 hdmi_phy_stat0, hdmi_phy_pol0, hdmi_phy_mask0; unsigned long flags; char event_string[16]; char *envp[] = { event_string, NULL }; hdmi_phy_stat0 = hdmi_readb(HDMI_PHY_STAT0); hdmi_phy_pol0 = hdmi_readb(HDMI_PHY_POL0); dev_dbg(&hdmi->pdev->dev, "hdmi_phy_stat0=0x%x, hdmi_phy_pol0=0x%x\n", hdmi_phy_stat0, hdmi_phy_pol0); /* Make HPD intr active low to capture unplug event or * active high to capture plugin event */ hdmi_writeb((HDMI_DVI_STAT & ~hdmi_phy_stat0), HDMI_PHY_POL0); /* check cable status */ if (hdmi_phy_stat0 & HDMI_DVI_STAT) { /* Plugin event */ dev_dbg(&hdmi->pdev->dev, "EVENT=plugin\n"); mxc_hdmi_cable_connected(hdmi); sprintf(event_string, "EVENT=plugin"); kobject_uevent_env(&hdmi->pdev->dev.kobj, KOBJ_CHANGE, envp); #ifdef CONFIG_MXC_HDMI_CEC mxc_hdmi_cec_handle(0x80); #endif hdmi_set_cable_state(1); } else { /* Plugout event */ dev_dbg(&hdmi->pdev->dev, "EVENT=plugout\n"); hdmi_set_cable_state(0); mxc_hdmi_abort_stream(); mxc_hdmi_cable_disconnected(hdmi); sprintf(event_string, "EVENT=plugout"); kobject_uevent_env(&hdmi->pdev->dev.kobj, KOBJ_CHANGE, envp); #ifdef CONFIG_MXC_HDMI_CEC mxc_hdmi_cec_handle(0x100); #endif } /* Lock here to ensure full powerdown sequence * completed before next interrupt processed */ spin_lock_irqsave(&hdmi->irq_lock, flags); /* Re-enable HPD interrupts */ hdmi_phy_mask0 = hdmi_readb(HDMI_PHY_MASK0); hdmi_phy_mask0 &= ~HDMI_DVI_STAT; hdmi_writeb(hdmi_phy_mask0, HDMI_PHY_MASK0); /* Unmute interrupts */ hdmi_writeb(~HDMI_DVI_IH_STAT, HDMI_IH_MUTE_PHY_STAT0); if (hdmi_readb(HDMI_IH_FC_STAT2) & HDMI_IH_FC_STAT2_OVERFLOW_MASK) mxc_hdmi_clear_overflow(); spin_unlock_irqrestore(&hdmi->irq_lock, flags); } static irqreturn_t mxc_hdmi_hotplug(int irq, void *data) { struct mxc_hdmi *hdmi = data; u8 val; unsigned long flags; spin_lock_irqsave(&hdmi->irq_lock, flags); /* Check and clean packet overflow interrupt.*/ if (hdmi_readb(HDMI_IH_FC_STAT2) & HDMI_IH_FC_STAT2_OVERFLOW_MASK) { mxc_hdmi_clear_overflow(); dev_dbg(&hdmi->pdev->dev, "Overflow interrupt received\n"); /* clear irq status */ hdmi_writeb(HDMI_IH_FC_STAT2_OVERFLOW_MASK, HDMI_IH_FC_STAT2); } /* * We could not disable the irq. Probably the audio driver * has enabled it. Masking off the HDMI interrupts using * HDMI registers. */ /* Capture status - used in hotplug_worker ISR */ if (hdmi_readb(HDMI_IH_PHY_STAT0) & HDMI_DVI_IH_STAT) { dev_dbg(&hdmi->pdev->dev, "Hotplug interrupt received\n"); /* Mute interrupts until handled */ val = hdmi_readb(HDMI_IH_MUTE_PHY_STAT0); val |= HDMI_DVI_IH_STAT; hdmi_writeb(val, HDMI_IH_MUTE_PHY_STAT0); val = hdmi_readb(HDMI_PHY_MASK0); val |= HDMI_DVI_STAT; hdmi_writeb(val, HDMI_PHY_MASK0); /* Clear Hotplug interrupts */ hdmi_writeb(HDMI_DVI_IH_STAT, HDMI_IH_PHY_STAT0); schedule_delayed_work(&(hdmi->hotplug_work), msecs_to_jiffies(20)); } spin_unlock_irqrestore(&hdmi->irq_lock, flags); return IRQ_HANDLED; } static void mxc_hdmi_setup(struct mxc_hdmi *hdmi, unsigned long event) { struct fb_videomode m; const struct fb_videomode *edid_mode; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); fb_var_to_videomode(&m, &hdmi->fbi->var); dump_fb_videomode(&m); /* Exit the setup if we get mode change and are already set to * this video mode */ if ((event == FB_EVENT_MODE_CHANGE) && fb_mode_is_equal(&hdmi->previous_mode, &m)) { dev_dbg(&hdmi->pdev->dev, "%s video mode did not change.\n", __func__); mxc_hdmi_phy_init(hdmi); return; } dev_dbg(&hdmi->pdev->dev, "%s - video mode changed\n", __func__); /* Save mode as 'previous_mode' so that we can know if mode changed. */ memcpy(&hdmi->previous_mode, &m, sizeof(struct fb_videomode)); hdmi->vic = 0; if (!hdmi->requesting_vga_for_initialization) { /* Save mode if this isn't the result of requesting * vga default. */ memcpy(&hdmi->previous_non_vga_mode, &m, sizeof(struct fb_videomode)); if (!list_empty(&hdmi->fbi->modelist)) { edid_mode = fb_find_nearest_mode(&m, &hdmi->fbi->modelist); pr_debug("edid mode "); dump_fb_videomode((struct fb_videomode *)edid_mode); hdmi->vic = mxc_edid_mode_to_vic(edid_mode); } } hdmi_disable_overflow_interrupts(); if (hdmi->vic == 0) { dev_dbg(&hdmi->pdev->dev, "Non-CEA mode used in HDMI\n"); hdmi->hdmi_data.video_mode.mDVI = true; } else { dev_dbg(&hdmi->pdev->dev, "CEA mode used vic=%d\n", hdmi->vic); if (hdmi->edid_cfg.hdmi_cap) hdmi->hdmi_data.video_mode.mDVI = false; else { dev_dbg(&hdmi->pdev->dev, "CEA mode vic=%d work in DVI\n", hdmi->vic); hdmi->hdmi_data.video_mode.mDVI = true; } } if ((hdmi->vic == 6) || (hdmi->vic == 7) || (hdmi->vic == 21) || (hdmi->vic == 22) || (hdmi->vic == 2) || (hdmi->vic == 3) || (hdmi->vic == 17) || (hdmi->vic == 18)) hdmi->hdmi_data.colorimetry = eITU601; else hdmi->hdmi_data.colorimetry = eITU709; if ((hdmi->vic == 10) || (hdmi->vic == 11) || (hdmi->vic == 12) || (hdmi->vic == 13) || (hdmi->vic == 14) || (hdmi->vic == 15) || (hdmi->vic == 25) || (hdmi->vic == 26) || (hdmi->vic == 27) || (hdmi->vic == 28) || (hdmi->vic == 29) || (hdmi->vic == 30) || (hdmi->vic == 35) || (hdmi->vic == 36) || (hdmi->vic == 37) || (hdmi->vic == 38)) hdmi->hdmi_data.video_mode.mPixelRepetitionOutput = 1; else hdmi->hdmi_data.video_mode.mPixelRepetitionOutput = 0; hdmi->hdmi_data.video_mode.mPixelRepetitionInput = 0; /* TODO: Get input format from IPU (via FB driver iface) */ hdmi->hdmi_data.enc_in_format = RGB; hdmi->hdmi_data.enc_out_format = RGB; /* YCbCr only enabled in HDMI mode */ if (!hdmi->hdmi_data.video_mode.mDVI && !hdmi->hdmi_data.rgb_out_enable) { if (hdmi->edid_cfg.cea_ycbcr444) hdmi->hdmi_data.enc_out_format = YCBCR444; else if (hdmi->edid_cfg.cea_ycbcr422) hdmi->hdmi_data.enc_out_format = YCBCR422_8BITS; } /* IPU not support depth color output */ hdmi->hdmi_data.enc_color_depth = 8; hdmi->hdmi_data.pix_repet_factor = 0; hdmi->hdmi_data.hdcp_enable = 0; hdmi->hdmi_data.video_mode.mDataEnablePolarity = true; /* HDMI Initialization Step B.1 */ hdmi_av_composer(hdmi); /* HDMI Initializateion Step B.2 */ mxc_hdmi_phy_init(hdmi); /* HDMI Initialization Step B.3 */ mxc_hdmi_enable_video_path(hdmi); /* not for DVI mode */ if (hdmi->hdmi_data.video_mode.mDVI) dev_dbg(&hdmi->pdev->dev, "%s DVI mode\n", __func__); else { dev_dbg(&hdmi->pdev->dev, "%s CEA mode\n", __func__); /* HDMI Initialization Step E - Configure audio */ hdmi_clk_regenerator_update_pixel_clock(hdmi->fbi->var.pixclock); hdmi_enable_audio_clk(hdmi); /* HDMI Initialization Step F - Configure AVI InfoFrame */ hdmi_config_AVI(hdmi); } hdmi_video_packetize(hdmi); hdmi_video_csc(hdmi); hdmi_video_sample(hdmi); hdmi_tx_hdcp_config(hdmi); mxc_hdmi_clear_overflow(); if (!hdmi->hdmi_data.video_mode.mDVI) hdmi_enable_overflow_interrupts(); dev_dbg(&hdmi->pdev->dev, "%s exit\n\n", __func__); } /* Wait until we are registered to enable interrupts */ static void mxc_hdmi_fb_registered(struct mxc_hdmi *hdmi) { unsigned long flags; if (hdmi->fb_reg) return; spin_lock_irqsave(&hdmi->irq_lock, flags); dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); hdmi_writeb(HDMI_PHY_I2CM_INT_ADDR_DONE_POL, HDMI_PHY_I2CM_INT_ADDR); hdmi_writeb(HDMI_PHY_I2CM_CTLINT_ADDR_NAC_POL | HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_POL, HDMI_PHY_I2CM_CTLINT_ADDR); /* enable cable hot plug irq */ hdmi_writeb((u8)~HDMI_DVI_STAT, HDMI_PHY_MASK0); /* Clear Hotplug interrupts */ hdmi_writeb(HDMI_DVI_IH_STAT, HDMI_IH_PHY_STAT0); /* Unmute interrupts */ hdmi_writeb(~HDMI_DVI_IH_STAT, HDMI_IH_MUTE_PHY_STAT0); hdmi->fb_reg = true; spin_unlock_irqrestore(&hdmi->irq_lock, flags); } static int mxc_hdmi_fb_event(struct notifier_block *nb, unsigned long val, void *v) { struct fb_event *event = v; struct mxc_hdmi *hdmi = container_of(nb, struct mxc_hdmi, nb); if (strcmp(event->info->fix.id, hdmi->fbi->fix.id)) return 0; switch (val) { case FB_EVENT_FB_REGISTERED: dev_dbg(&hdmi->pdev->dev, "event=FB_EVENT_FB_REGISTERED\n"); mxc_hdmi_fb_registered(hdmi); hdmi_set_registered(1); break; case FB_EVENT_FB_UNREGISTERED: dev_dbg(&hdmi->pdev->dev, "event=FB_EVENT_FB_UNREGISTERED\n"); hdmi->fb_reg = false; hdmi_set_registered(0); break; case FB_EVENT_MODE_CHANGE: dev_dbg(&hdmi->pdev->dev, "event=FB_EVENT_MODE_CHANGE\n"); if (hdmi->fb_reg) mxc_hdmi_setup(hdmi, val); break; case FB_EVENT_BLANK: if ((*((int *)event->data) == FB_BLANK_UNBLANK) && (*((int *)event->data) != hdmi->blank)) { dev_dbg(&hdmi->pdev->dev, "event=FB_EVENT_BLANK - UNBLANK\n"); hdmi->blank = *((int *)event->data); if (hdmi->fb_reg && hdmi->cable_plugin) mxc_hdmi_setup(hdmi, val); hdmi_set_blank_state(1); } else if (*((int *)event->data) != hdmi->blank) { dev_dbg(&hdmi->pdev->dev, "event=FB_EVENT_BLANK - BLANK\n"); hdmi_set_blank_state(0); mxc_hdmi_abort_stream(); mxc_hdmi_phy_disable(hdmi); hdmi->blank = *((int *)event->data); } else dev_dbg(&hdmi->pdev->dev, "FB BLANK state no changed!\n"); break; case FB_EVENT_SUSPEND: dev_dbg(&hdmi->pdev->dev, "event=FB_EVENT_SUSPEND\n"); if (hdmi->blank == FB_BLANK_UNBLANK) { mxc_hdmi_phy_disable(hdmi); clk_disable(hdmi->hdmi_iahb_clk); clk_disable(hdmi->hdmi_isfr_clk); } break; case FB_EVENT_RESUME: dev_dbg(&hdmi->pdev->dev, "event=FB_EVENT_RESUME\n"); if (hdmi->blank == FB_BLANK_UNBLANK) { clk_enable(hdmi->hdmi_iahb_clk); clk_enable(hdmi->hdmi_isfr_clk); mxc_hdmi_phy_init(hdmi); } break; } return 0; } /* HDMI Initialization Step A */ static int mxc_hdmi_disp_init(struct mxc_dispdrv_handle *disp, struct mxc_dispdrv_setting *setting) { int ret = 0; u32 i; const struct fb_videomode *mode; struct fb_videomode m; struct mxc_hdmi *hdmi = mxc_dispdrv_getdata(disp); struct fsl_mxc_hdmi_platform_data *plat = hdmi->pdev->dev.platform_data; int irq = platform_get_irq(hdmi->pdev, 0); dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); /* Check hdmi disp init once */ if (hdmi_inited) { dev_err(&hdmi->pdev->dev, "Error only one HDMI output support now!\n"); return -1; } if (!plat || irq < 0) return -ENODEV; hdmi->dft_mode_set = false; /* Setting HDMI default to blank state */ hdmi->blank = FB_BLANK_POWERDOWN; setting->dev_id = mxc_hdmi_ipu_id; setting->disp_id = mxc_hdmi_disp_id; setting->if_fmt = IPU_PIX_FMT_RGB24; hdmi->dft_mode_str = setting->dft_mode_str; hdmi->default_bpp = setting->default_bpp; dev_dbg(&hdmi->pdev->dev, "%s - default mode %s bpp=%d\n", __func__, hdmi->dft_mode_str, hdmi->default_bpp); hdmi->fbi = setting->fbi; /* Claim HDMI pins */ if (plat->get_pins) if (!plat->get_pins()) { ret = -EACCES; goto egetpins; } /* Initialize HDMI */ if (plat->init) plat->init(mxc_hdmi_ipu_id, mxc_hdmi_disp_id); /* Specific phy config */ hdmi->phy_config.reg_cksymtx = plat->phy_reg_cksymtx; hdmi->phy_config.reg_vlev = plat->phy_reg_vlev; hdmi->hdmi_isfr_clk = clk_get(&hdmi->pdev->dev, "hdmi_isfr_clk"); if (IS_ERR(hdmi->hdmi_isfr_clk)) { ret = PTR_ERR(hdmi->hdmi_isfr_clk); dev_err(&hdmi->pdev->dev, "Unable to get HDMI clk: %d\n", ret); goto egetclk1; } ret = clk_enable(hdmi->hdmi_isfr_clk); if (ret < 0) { dev_err(&hdmi->pdev->dev, "Cannot enable HDMI isfr clock: %d\n", ret); goto erate1; } hdmi->hdmi_iahb_clk = clk_get(&hdmi->pdev->dev, "hdmi_iahb_clk"); if (IS_ERR(hdmi->hdmi_iahb_clk)) { ret = PTR_ERR(hdmi->hdmi_iahb_clk); dev_err(&hdmi->pdev->dev, "Unable to get HDMI clk: %d\n", ret); goto egetclk2; } ret = clk_enable(hdmi->hdmi_iahb_clk); if (ret < 0) { dev_err(&hdmi->pdev->dev, "Cannot enable HDMI iahb clock: %d\n", ret); goto erate2; } dev_dbg(&hdmi->pdev->dev, "Enabled HDMI clocks\n"); /* Product and revision IDs */ dev_info(&hdmi->pdev->dev, "Detected HDMI controller 0x%x:0x%x:0x%x:0x%x\n", hdmi_readb(HDMI_DESIGN_ID), hdmi_readb(HDMI_REVISION_ID), hdmi_readb(HDMI_PRODUCT_ID0), hdmi_readb(HDMI_PRODUCT_ID1)); /* To prevent overflows in HDMI_IH_FC_STAT2, set the clk regenerator * N and cts values before enabling phy */ hdmi_init_clk_regenerator(); INIT_LIST_HEAD(&hdmi->fbi->modelist); spin_lock_init(&hdmi->irq_lock); /* Set the default mode and modelist when disp init. */ fb_find_mode(&hdmi->fbi->var, hdmi->fbi, hdmi->dft_mode_str, NULL, 0, NULL, hdmi->default_bpp); console_lock(); fb_destroy_modelist(&hdmi->fbi->modelist); /*Add all no interlaced CEA mode to default modelist */ for (i = 0; i < ARRAY_SIZE(mxc_cea_mode); i++) { mode = &mxc_cea_mode[i]; if (!(mode->vmode & FB_VMODE_INTERLACED) && (mode->xres != 0)) fb_add_videomode(mode, &hdmi->fbi->modelist); } /*Add XGA and SXGA to default modelist */ fb_add_videomode(&xga_mode, &hdmi->fbi->modelist); fb_add_videomode(&sxga_mode, &hdmi->fbi->modelist); console_unlock(); /* Find a nearest mode in default modelist */ fb_var_to_videomode(&m, &hdmi->fbi->var); dump_fb_videomode(&m); mode = fb_find_nearest_mode(&m, &hdmi->fbi->modelist); if (!mode) { pr_err("%s: could not find mode in modelist\n", __func__); return -1; } fb_videomode_to_var(&hdmi->fbi->var, mode); /* Default setting HDMI working in HDMI mode*/ hdmi->edid_cfg.hdmi_cap = true; INIT_DELAYED_WORK(&hdmi->hotplug_work, hotplug_worker); /* Configure registers related to HDMI interrupt * generation before registering IRQ. */ hdmi_writeb(HDMI_DVI_STAT, HDMI_PHY_POL0); /* Clear Hotplug interrupts */ hdmi_writeb(HDMI_DVI_IH_STAT, HDMI_IH_PHY_STAT0); hdmi->nb.notifier_call = mxc_hdmi_fb_event; ret = fb_register_client(&hdmi->nb); if (ret < 0) goto efbclient; memset(&hdmi->hdmi_data, 0, sizeof(struct hdmi_data_info)); /* Default HDMI working in RGB mode */ hdmi->hdmi_data.rgb_out_enable = true; ret = request_irq(irq, mxc_hdmi_hotplug, IRQF_SHARED, dev_name(&hdmi->pdev->dev), hdmi); if (ret < 0) { dev_err(&hdmi->pdev->dev, "Unable to request irq: %d\n", ret); goto ereqirq; } ret = device_create_file(&hdmi->pdev->dev, &dev_attr_fb_name); if (ret < 0) dev_warn(&hdmi->pdev->dev, "cound not create sys node for fb name\n"); ret = device_create_file(&hdmi->pdev->dev, &dev_attr_cable_state); if (ret < 0) dev_warn(&hdmi->pdev->dev, "cound not create sys node for cable state\n"); ret = device_create_file(&hdmi->pdev->dev, &dev_attr_edid); if (ret < 0) dev_warn(&hdmi->pdev->dev, "cound not create sys node for edid\n"); ret = device_create_file(&hdmi->pdev->dev, &dev_attr_rgb_out_enable); if (ret < 0) dev_warn(&hdmi->pdev->dev, "cound not create sys node for rgb out enable\n"); dev_dbg(&hdmi->pdev->dev, "%s exit\n", __func__); hdmi_inited = true; return ret; efbclient: free_irq(irq, hdmi); ereqirq: clk_disable(hdmi->hdmi_iahb_clk); erate2: clk_put(hdmi->hdmi_iahb_clk); egetclk2: clk_disable(hdmi->hdmi_isfr_clk); erate1: clk_put(hdmi->hdmi_isfr_clk); egetclk1: plat->put_pins(); egetpins: dev_dbg(&hdmi->pdev->dev, "%s error exit\n", __func__); return ret; } static void mxc_hdmi_disp_deinit(struct mxc_dispdrv_handle *disp) { struct mxc_hdmi *hdmi = mxc_dispdrv_getdata(disp); struct fsl_mxc_hdmi_platform_data *plat = hdmi->pdev->dev.platform_data; dev_dbg(&hdmi->pdev->dev, "%s\n", __func__); fb_unregister_client(&hdmi->nb); clk_disable(hdmi->hdmi_isfr_clk); clk_put(hdmi->hdmi_isfr_clk); clk_disable(hdmi->hdmi_iahb_clk); clk_put(hdmi->hdmi_iahb_clk); /* Release HDMI pins */ if (plat->put_pins) plat->put_pins(); platform_device_unregister(hdmi->pdev); hdmi_inited = false; kfree(hdmi); } static struct mxc_dispdrv_driver mxc_hdmi_drv = { .name = DISPDRV_HDMI, .init = mxc_hdmi_disp_init, .deinit = mxc_hdmi_disp_deinit, .enable = mxc_hdmi_power_on, .disable = mxc_hdmi_power_off, }; static int __devinit mxc_hdmi_probe(struct platform_device *pdev) { struct mxc_hdmi *hdmi; int ret = 0; /* Check that I2C driver is loaded and available */ if (!hdmi_i2c) return -ENODEV; hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL); if (!hdmi) { dev_err(&pdev->dev, "Cannot allocate device data\n"); ret = -ENOMEM; goto ealloc; } hdmi->pdev = pdev; hdmi->core_pdev = platform_device_alloc("mxc_hdmi_core", -1); if (!hdmi->core_pdev) { pr_err("%s failed platform_device_alloc for hdmi core\n", __func__); ret = -ENOMEM; goto ecore; } hdmi_inited = false; hdmi->disp_mxc_hdmi = mxc_dispdrv_register(&mxc_hdmi_drv); if (IS_ERR(hdmi->disp_mxc_hdmi)) { dev_err(&pdev->dev, "Failed to register dispdrv - 0x%x\n", (int)hdmi->disp_mxc_hdmi); ret = (int)hdmi->disp_mxc_hdmi; goto edispdrv; } mxc_dispdrv_setdata(hdmi->disp_mxc_hdmi, hdmi); platform_set_drvdata(pdev, hdmi); return 0; edispdrv: platform_device_put(hdmi->core_pdev); ecore: kfree(hdmi); ealloc: return ret; } static int mxc_hdmi_remove(struct platform_device *pdev) { struct mxc_hdmi *hdmi = platform_get_drvdata(pdev); int irq = platform_get_irq(pdev, 0); fb_unregister_client(&hdmi->nb); mxc_dispdrv_puthandle(hdmi->disp_mxc_hdmi); mxc_dispdrv_unregister(hdmi->disp_mxc_hdmi); /* No new work will be scheduled, wait for running ISR */ free_irq(irq, hdmi); kfree(hdmi); return 0; } static struct platform_driver mxc_hdmi_driver = { .probe = mxc_hdmi_probe, .remove = mxc_hdmi_remove, .driver = { .name = "mxc_hdmi", .owner = THIS_MODULE, }, }; static int __init mxc_hdmi_init(void) { return platform_driver_register(&mxc_hdmi_driver); } module_init(mxc_hdmi_init); static void __exit mxc_hdmi_exit(void) { platform_driver_unregister(&mxc_hdmi_driver); } module_exit(mxc_hdmi_exit); static int __devinit mxc_hdmi_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE | I2C_FUNC_I2C)) return -ENODEV; hdmi_i2c = client; return 0; } static int __devexit mxc_hdmi_i2c_remove(struct i2c_client *client) { hdmi_i2c = NULL; return 0; } static const struct i2c_device_id mxc_hdmi_i2c_id[] = { { "mxc_hdmi_i2c", 0 }, {}, }; MODULE_DEVICE_TABLE(i2c, mxc_hdmi_i2c_id); static struct i2c_driver mxc_hdmi_i2c_driver = { .driver = { .name = "mxc_hdmi_i2c", }, .probe = mxc_hdmi_i2c_probe, .remove = mxc_hdmi_i2c_remove, .id_table = mxc_hdmi_i2c_id, }; static int __init mxc_hdmi_i2c_init(void) { return i2c_add_driver(&mxc_hdmi_i2c_driver); } static void __exit mxc_hdmi_i2c_exit(void) { i2c_del_driver(&mxc_hdmi_i2c_driver); } module_init(mxc_hdmi_i2c_init); module_exit(mxc_hdmi_i2c_exit); MODULE_AUTHOR("Freescale Semiconductor, Inc.");