| /* Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| #include <err.h> |
| #include <debug.h> |
| #include <reg.h> |
| #include <msm_panel.h> |
| #include <platform/timer.h> |
| #include <platform/clock.h> |
| #include <platform/iomap.h> |
| |
| static struct msm_fb_panel_data panel; |
| |
| /* AVI INFOFRAME DATA */ |
| #define NUM_MODES_AVI 20 |
| #define AVI_MAX_DATA_BYTES 13 |
| |
| enum { |
| DATA_BYTE_1, |
| DATA_BYTE_2, |
| DATA_BYTE_3, |
| DATA_BYTE_4, |
| DATA_BYTE_5, |
| DATA_BYTE_6, |
| DATA_BYTE_7, |
| DATA_BYTE_8, |
| DATA_BYTE_9, |
| DATA_BYTE_10, |
| DATA_BYTE_11, |
| DATA_BYTE_12, |
| DATA_BYTE_13, |
| }; |
| |
| #define IFRAME_PACKET_OFFSET 0x80 |
| /* |
| * InfoFrame Type Code: |
| * 0x0 - Reserved |
| * 0x1 - Vendor Specific |
| * 0x2 - Auxiliary Video Information |
| * 0x3 - Source Product Description |
| * 0x4 - AUDIO |
| * 0x5 - MPEG Source |
| * 0x6 - NTSC VBI |
| * 0x7 - 0xFF - Reserved |
| */ |
| #define AVI_IFRAME_TYPE 0x2 |
| #define AVI_IFRAME_VERSION 0x2 |
| #define LEFT_SHIFT_BYTE(x) ((x) << 8) |
| #define LEFT_SHIFT_WORD(x) ((x) << 16) |
| #define LEFT_SHIFT_24BITS(x) ((x) << 24) |
| |
| struct mdss_hdmi_timing_info { |
| uint32_t video_format; |
| uint32_t active_h; |
| uint32_t front_porch_h; |
| uint32_t pulse_width_h; |
| uint32_t back_porch_h; |
| uint32_t active_low_h; |
| uint32_t active_v; |
| uint32_t front_porch_v; |
| uint32_t pulse_width_v; |
| uint32_t back_porch_v; |
| uint32_t active_low_v; |
| /* Must divide by 1000 to get the actual frequency in MHZ */ |
| uint32_t pixel_freq; |
| /* Must divide by 1000 to get the actual frequency in HZ */ |
| uint32_t refresh_rate; |
| uint32_t interlaced; |
| uint32_t supported; |
| }; |
| |
| #define HDMI_VFRMT_1280x720p60_16_9 4 |
| #define HDMI_RESOLUTION_DATA HDMI_VFRMT_1280x720p60_16_9##_TIMING |
| |
| #define HDMI_VFRMT_1280x720p60_16_9_TIMING \ |
| {HDMI_VFRMT_1280x720p60_16_9, 1280, 110, 40, 220, false, \ |
| 720, 5, 5, 20, false, 74250, 60000, false, true} |
| |
| uint32_t mdss_hdmi_avi_info_db[] = { |
| 0x10, 0x28, 0x00, 0x04, 0x00, 0x00, 0x00, |
| 0xD1, 0x02, 0x00, 0x00, 0x01, 0x05}; |
| |
| static int mdss_hdmi_panel_clock(uint8_t enable, struct msm_panel_info *pinfo) |
| { |
| return target_hdmi_panel_clock(enable, pinfo); |
| } |
| |
| static int mdss_hdmi_enable_power(uint8_t enable) |
| { |
| int ret = NO_ERROR; |
| |
| ret = target_ldo_ctrl(enable); |
| if (ret) { |
| dprintf(CRITICAL, "LDO control enable failed\n"); |
| return ret; |
| } |
| |
| ret = target_hdmi_regulator_ctrl(enable); |
| if (ret) { |
| dprintf(CRITICAL, "hdmi regulator control enable failed\n"); |
| return ret; |
| } |
| |
| dprintf(SPEW, "HDMI Panel power %s done\n", enable ? "on" : "off"); |
| |
| return ret; |
| } |
| |
| static void mdss_hdmi_set_mode(bool on) |
| { |
| uint32_t val = 0; |
| |
| if (on) { |
| val = 0x3; |
| writel(val, HDMI_CTRL); |
| } else { |
| writel(val, HDMI_CTRL); |
| } |
| } |
| |
| static void mdss_hdmi_panel_init(struct msm_panel_info *pinfo) |
| { |
| struct mdss_hdmi_timing_info tinfo = HDMI_RESOLUTION_DATA; |
| |
| if (!pinfo) |
| return; |
| |
| pinfo->xres = tinfo.active_h; |
| pinfo->yres = tinfo.active_v; |
| pinfo->bpp = 24; |
| pinfo->type = HDMI_PANEL; |
| |
| pinfo->lcdc.h_back_porch = tinfo.back_porch_h; |
| pinfo->lcdc.h_front_porch = tinfo.front_porch_h; |
| pinfo->lcdc.h_pulse_width = tinfo.pulse_width_h; |
| pinfo->lcdc.v_back_porch = tinfo.back_porch_v; |
| pinfo->lcdc.v_front_porch = tinfo.front_porch_v; |
| pinfo->lcdc.v_pulse_width = tinfo.pulse_width_v; |
| |
| pinfo->lcdc.hsync_skew = 0; |
| pinfo->lcdc.xres_pad = 0; |
| pinfo->lcdc.yres_pad = 0; |
| pinfo->lcdc.dual_pipe = 0; |
| } |
| |
| void mdss_hdmi_display_init(uint32_t rev, void *base) |
| { |
| mdss_hdmi_panel_init(&(panel.panel_info)); |
| |
| panel.clk_func = mdss_hdmi_panel_clock; |
| panel.power_func = mdss_hdmi_enable_power; |
| |
| panel.fb.width = panel.panel_info.xres; |
| panel.fb.height = panel.panel_info.yres; |
| panel.fb.stride = panel.panel_info.xres; |
| panel.fb.bpp = panel.panel_info.bpp; |
| panel.fb.format = FB_FORMAT_RGB888; |
| |
| panel.fb.base = base; |
| panel.mdp_rev = rev; |
| |
| msm_display_init(&panel); |
| } |
| |
| static int mdss_hdmi_video_setup(void) |
| { |
| uint32_t total_v = 0; |
| uint32_t total_h = 0; |
| uint32_t start_h = 0; |
| uint32_t end_h = 0; |
| uint32_t start_v = 0; |
| uint32_t end_v = 0; |
| |
| struct mdss_hdmi_timing_info tinfo = HDMI_RESOLUTION_DATA; |
| |
| total_h = tinfo.active_h + tinfo.front_porch_h + |
| tinfo.back_porch_h + tinfo.pulse_width_h - 1; |
| total_v = tinfo.active_v + tinfo.front_porch_v + |
| tinfo.back_porch_v + tinfo.pulse_width_v - 1; |
| if (((total_v << 16) & 0xE0000000) || (total_h & 0xFFFFE000)) { |
| dprintf(CRITICAL, |
| "%s: total v=%d or h=%d is larger than supported\n", |
| __func__, total_v, total_h); |
| return ERROR; |
| } |
| writel((total_v << 16) | (total_h << 0), HDMI_TOTAL); |
| |
| start_h = tinfo.back_porch_h + tinfo.pulse_width_h; |
| end_h = (total_h + 1) - tinfo.front_porch_h; |
| if (((end_h << 16) & 0xE0000000) || (start_h & 0xFFFFE000)) { |
| dprintf(CRITICAL, |
| "%s: end_h=%d or start_h=%d is larger than supported\n", |
| __func__, end_h, start_h); |
| return ERROR; |
| } |
| writel((end_h << 16) | (start_h << 0), HDMI_ACTIVE_H); |
| |
| start_v = tinfo.back_porch_v + tinfo.pulse_width_v - 1; |
| end_v = total_v - tinfo.front_porch_v; |
| if (((end_v << 16) & 0xE0000000) || (start_v & 0xFFFFE000)) { |
| dprintf(CRITICAL, |
| "%s: end_v=%d or start_v=%d is larger than supported\n", |
| __func__, end_v, start_v); |
| return ERROR; |
| } |
| writel((end_v << 16) | (start_v << 0), HDMI_ACTIVE_V); |
| |
| if (tinfo.interlaced) { |
| writel((total_v + 1) << 0, HDMI_V_TOTAL_F2); |
| writel(((end_v + 1) << 16) | ((start_v + 1) << 0), |
| HDMI_ACTIVE_V_F2); |
| } else { |
| writel(0, HDMI_V_TOTAL_F2); |
| writel(0, HDMI_ACTIVE_V_F2); |
| } |
| |
| writel(((tinfo.interlaced << 31) & 0x80000000) | |
| ((tinfo.active_low_h << 29) & 0x20000000) | |
| ((tinfo.active_low_v << 28) & 0x10000000), HDMI_FRAME_CTRL); |
| |
| return 0; |
| } |
| |
| void mdss_hdmi_avi_info_frame(void) |
| { |
| uint32_t sum; |
| uint32_t reg_val; |
| uint8_t checksum; |
| uint32_t i; |
| |
| sum = IFRAME_PACKET_OFFSET + AVI_IFRAME_TYPE + |
| AVI_IFRAME_VERSION + AVI_MAX_DATA_BYTES; |
| |
| for (i = 0; i < AVI_MAX_DATA_BYTES; i++) |
| sum += mdss_hdmi_avi_info_db[i]; |
| |
| sum &= 0xFF; |
| sum = 256 - sum; |
| checksum = (uint8_t) sum; |
| |
| reg_val = checksum | |
| LEFT_SHIFT_BYTE(mdss_hdmi_avi_info_db[DATA_BYTE_1]) | |
| LEFT_SHIFT_WORD(mdss_hdmi_avi_info_db[DATA_BYTE_2]) | |
| LEFT_SHIFT_24BITS(mdss_hdmi_avi_info_db[DATA_BYTE_3]); |
| writel(reg_val, HDMI_AVI_INFO0); |
| |
| reg_val = mdss_hdmi_avi_info_db[DATA_BYTE_4] | |
| LEFT_SHIFT_BYTE(mdss_hdmi_avi_info_db[DATA_BYTE_5]) | |
| LEFT_SHIFT_WORD(mdss_hdmi_avi_info_db[DATA_BYTE_6]) | |
| LEFT_SHIFT_24BITS(mdss_hdmi_avi_info_db[DATA_BYTE_7]); |
| writel(reg_val, HDMI_AVI_INFO1); |
| |
| reg_val = mdss_hdmi_avi_info_db[DATA_BYTE_8] | |
| LEFT_SHIFT_BYTE(mdss_hdmi_avi_info_db[DATA_BYTE_9]) | |
| LEFT_SHIFT_WORD(mdss_hdmi_avi_info_db[DATA_BYTE_10]) | |
| LEFT_SHIFT_24BITS(mdss_hdmi_avi_info_db[DATA_BYTE_11]); |
| writel(reg_val, HDMI_AVI_INFO2); |
| |
| reg_val = mdss_hdmi_avi_info_db[DATA_BYTE_12] | |
| LEFT_SHIFT_BYTE(mdss_hdmi_avi_info_db[DATA_BYTE_13]) | |
| LEFT_SHIFT_24BITS(AVI_IFRAME_VERSION); |
| writel(reg_val, HDMI_AVI_INFO3); |
| |
| /* AVI InfFrame enable (every frame) */ |
| writel(readl(HDMI_INFOFRAME_CTRL0) | BIT(1) | BIT(0), |
| HDMI_INFOFRAME_CTRL0); |
| } |
| |
| int mdss_hdmi_init(void) |
| { |
| uint32_t hotplug_control; |
| |
| mdss_hdmi_set_mode(false); |
| |
| hdmi_phy_init(); |
| |
| // Enable USEC REF timer |
| writel(0x0001001B, HDMI_USEC_REFTIMER); |
| |
| // Video setup for HDMI |
| mdss_hdmi_video_setup(); |
| |
| // AVI info setup |
| mdss_hdmi_avi_info_frame(); |
| |
| // Write 1 to HDMI_CTRL to enable HDMI |
| mdss_hdmi_set_mode(true); |
| |
| return 0; |
| } |