diff options
Diffstat (limited to 'arch/arm/cpu/armv8/imx8m/video_common.c')
-rw-r--r-- | arch/arm/cpu/armv8/imx8m/video_common.c | 736 |
1 files changed, 736 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/imx8m/video_common.c b/arch/arm/cpu/armv8/imx8m/video_common.c new file mode 100644 index 0000000000..ee7c844049 --- /dev/null +++ b/arch/arm/cpu/armv8/imx8m/video_common.c @@ -0,0 +1,736 @@ +/* + * Copyright 2018 NXP + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <asm/io.h> +#include <linux/errno.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <i2c.h> +#include <asm/arch/sys_proto.h> + +#include <video_fb.h> +#include <asm/arch/video_common.h> +#include <power-domain.h> +#include <imx8_hdmi.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* test congiurations */ +#undef IMXDCSS_LOAD_HDMI_FIRMWARE +#undef IMXDCSS_SET_PIXEL_CLOCK + +static struct video_mode_settings gmode; +static uint32_t gpixfmt; +GraphicDevice panel; +struct video_mode_settings *imx8m_get_gmode(void) +{ + return &gmode; +} + +void imx8m_show_gmode(void) +{ + printf("gmode =\n" + "pixelclock = %u\n" + "xres = %u\n" + "yres = %u\n" + "hfp = %u\n" + "hbp = %u\n" + "vfp = %u\n" + "vbp = %u\n" + "hsync = %u\n" + "vsync = %u\n" + "hpol = %u\n" + "vpol = %u\n", + gmode.pixelclock, + gmode.xres, + gmode.yres, + gmode.hfp, + gmode.hbp, + gmode.vfp, + gmode.vbp, gmode.hsync, gmode.vsync, gmode.hpol, gmode.vpol); +} + +GraphicDevice *imx8m_get_gd(void) +{ + return &panel; +} + +#define REG_BASE_ADDR 0x32e00000UL + +/*#define DEBUGREG*/ +#ifdef DEBUGREG +#define reg32_write(addr, val) \ +do { \ + debug("%s():%d 0x%08x -> 0x%08x\n", __func__, __LINE__, \ + (unsigned int)addr, (unsigned int)val); \ + __raw_writel(val, addr); \ +} while (0) +#else +#define reg32_write(addr, val) __raw_writel(val, addr) +#endif + +#define reg32_read(addr) __raw_readl(addr) + +#define reg32setbit(addr, bitpos) \ + reg32_write((addr), (reg32_read((addr)) | (1<<(bitpos)))) +#define reg32clearbit(addr, bitpos) \ + reg32_write((addr), (reg32_read((addr)) & ~(1<<(bitpos)))) + +#define reg32_read_tst(addr, val, mask) \ +do { \ + u32 temp = reg32_read((addr)); \ + if ((temp & (mask)) == ((val) & (mask))) \ + debug("%s():%d 0x%08x -> 0x%08x\n", \ + __func__, __LINE__, addr, val); \ + else \ + debug("%s():%d 0x%08x -> 0x%08x instead of 0x%08x\n", \ + __func__, __LINE__, addr, temp, val); \ +} while (0) + +#define COLOR_LIST_SIZE 8 +static u32 color_list_argb32[COLOR_LIST_SIZE] = { + 0xFFFFFFFF, /* white */ + 0xFFFF0000, /* red */ + 0xFF00FF00, /* green */ + 0xFF0000FF, /* blue */ + 0xFFFFFF00, /* yellow */ + 0xFF00FFFF, /* cyan */ + 0xFFFF00FF, /* magenta */ + 0xFFC1C2C3, /* silver */ +}; /*AARRGGBB */ + +static unsigned int get_color_index(unsigned short px, unsigned short py, + unsigned short width, unsigned short height, + unsigned short bar_size) +{ + const int mw = 5; /* margin width */ + if ((py >= 0 && py < mw) || (py >= height - mw && py < height) || + (px >= 0 && px < mw) || (px >= width - mw && px < width)) { + return 1; + } + + return py / bar_size; +} + +void imx8m_create_color_bar(void *start_address, + struct video_mode_settings *vms) +{ + /*struct video_mode_settings *vms = &vm_settings[g_vm]; */ + uint32_t color_bar_size = vms->yres / COLOR_LIST_SIZE; + int i, j; + u32 *pointer; + int color_index = 0; + pointer = (u32 *)start_address; + uint32_t *color_map = &color_list_argb32[0]; + debug("%s(), %d: start_address %p\n", + __func__, __LINE__, start_address); + debug("%s(), %d: pointer %p\n", __func__, __LINE__, pointer); + debug("%s(), %d x %d\n", __func__, vms->xres, vms->yres); + for (i = 0; i < vms->yres; i++) { + for (j = 0; j < vms->xres; j++) { + color_index = get_color_index(j, i, vms->xres, + vms->yres, + color_bar_size); + *pointer = color_map[color_index]; + pointer++; + } + } + invalidate_dcache_all(); +} + +static void imx8m_set_clocks(int apb_clk, int b_clk, int hdmi_core_clk, + int p_clk, int rtr_clk) +{ + if (b_clk == 800) { + /* b_clk: bus_clk_root(4) sel 2nd input source and + pre_div to 0; output should be 800M */ + reg32_write(CCM_BUS_CLK_ROOT_GEN_TAGET_CLR(4), + (0x7 << 24) | (0x7 << 16)); + reg32_write(CCM_BUS_CLK_ROOT_GEN_TAGET_SET(4), (0x2 << 24)); + } else { + printf("b_clk does not match a supported frequency"); + } + if (rtr_clk == 400) { + /* rtr_clk: bus_clk_root(6) sel 1st input source + and pre_div to 1; output should be 400M */ + reg32_write(CCM_BUS_CLK_ROOT_GEN_TAGET_CLR(6), + (0x7 << 24) | (0x7 << 16)); + reg32_write(CCM_BUS_CLK_ROOT_GEN_TAGET_SET(6), + (0x1 << 24) | (0x1 << 16)); + } else { + debug("rtr_clk does not match a supported frequency"); + } + +#ifdef IMXDCSS_LOAD_HDMI_FIRMWARE + /* If ROM is loading HDMI firmware then this clock should not be set */ + if (hdmi_core_clk == 200) { + /* hdmi_core_clk: ip_clk_root(69) sel 1st input source and + pre_div to 0 */ + reg32_write(CCM_IP_CLK_ROOT_GEN_TAGET_CLR(69), + (0x7 << 24) | (0x7 << 16)); + reg32_write(CCM_IP_CLK_ROOT_GEN_TAGET_SET(69), (0x1 << 24)); + g_hdmi_core_clock = 200000000; + } else { + debug("hdmi_core_clk does not match a supported frequency"); + } +#endif + +#ifdef IMXDCSS_SET_PIXEL_CLOCK + /* This would be needed for MIPI-DSI DCSS display */ + if (p_clk == 27) { + /* p_clk: ip_clk_root(9) sel 1st input source and + pre_div to 1; post_div to 5, output 100M */ + reg32_write(CCM_IP_CLK_ROOT_GEN_TAGET_CLR(9), + (0x7 << 24) | (0x7 << 16)); + reg32_write(CCM_IP_CLK_ROOT_GEN_TAGET_SET(9), + (0x1 << 24) | (29 << 16)); + } else if (p_clk == 100) { + /* p_clk: ip_clk_root(9) sel 1st input source and + pre_div to 1; post_div to 5, output 100M */ + reg32_write(CCM_IP_CLK_ROOT_GEN_TAGET_CLR(9), + (0x7 << 24) | (0x7 << 16)); + reg32_write(CCM_IP_CLK_ROOT_GEN_TAGET_SET(9), + (0x1 << 24) | (0x5 << 16)); + } else if (p_clk == 120) { + /* p_clk: ip_clk_root(9) sel 1st input source and + pre_div to 1; post_div to 4, output 120M */ + reg32_write(CCM_IP_CLK_ROOT_GEN_TAGET_CLR(9), + (0x7 << 24) | (0x7 << 16)); + reg32_write(CCM_IP_CLK_ROOT_GEN_TAGET_SET(9), + (0x1 << 24) | (0x4 << 16)); + } else if (p_clk == 200) { + /* I added this to speed up the pixel clock and + get frames out faster. may need to adjust this. + */ + reg32_write(CCM_IP_CLK_ROOT_GEN_TAGET_CLR(9), + (0x7 << 24) | (0x7 << 16)); + reg32_write(CCM_IP_CLK_ROOT_GEN_TAGET_SET(9), + (0x4 << 24) | (0x3 << 16)); /*for emu use 800 / 4 */ + } else if (p_clk == 400) { + /* I added this to speed up the pixel clock and + get frames out faster. may need to adjust this. + */ + reg32_write(CCM_IP_CLK_ROOT_GEN_TAGET_CLR(9), + (0x7 << 24) | (0x7 << 16)); + reg32_write(CCM_IP_CLK_ROOT_GEN_TAGET_SET(9), + (0x4 << 24) | (0x1 << 16)); /*for emu use 800 / 2 */ + } else if (p_clk == 40) { /* Do not reprogram, will get 40MHz */ + } else { + debug("p_clk does not match a supported frequency"); + } +#endif +} + +static int imx8m_power_init(uint32_t clock_control) +{ + u32 temp; + /*struct video_mode_settings *vms = &vm_settings[g_vm]; */ + + debug("\nenabling display clock...\n"); + clock_enable(CCGR_DISPLAY, 1); + + reg32_write(0x303A00EC, 0x0000ffff); /*PGC_CPU_MAPPING */ + reg32setbit(0x303A00F8, 10); /*PU_PGC_SW_PUP_REQ : disp was 10 */ +#ifdef LOAD_HDMI_FIRMWARE + reg32setbit(0x303A00F8, 9); /*PU_PGC_SW_PUP_REQ : hdmi was 9 */ +#endif + imx8m_set_clocks(133, 800, 200, 27, 400); + + /* DCSS reset */ + reg32_write(0x32e2f000, 0xffffffff); + + /* DCSS clock selection */ + reg32_write(0x32e2f010, clock_control); + temp = reg32_read(0x32e2f010); + debug("%s(): DCSS clock control 0x%08x\n", __func__, temp); + + /* take DCSS out of reset - not needed OFB */ + /*__raw_writel(0xffffffff, 0x32e2f004); */ + + return 0; +} + +static void imx8m_display_init(u64 buffer, int encoding, + struct video_mode_settings *vms) +{ + /*struct video_mode_settings *vms = &vm_settings[g_vm]; */ + + debug("entering %s() ...\n", __func__); + debug("%s() buffer ...\n", __func__); + + /* DTRC-CHAN2/3 */ + reg32_write(REG_BASE_ADDR + 0x160c8, 0x00000002); + reg32_write(REG_BASE_ADDR + 0x170c8, 0x00000002); + + /* CHAN1_DPR */ + reg32_write(REG_BASE_ADDR + 0x180c0, (unsigned int)buffer); + reg32_write(REG_BASE_ADDR + 0x18090, 0x00000002); + reg32_write(REG_BASE_ADDR + 0x180a0, vms->xres); + reg32_write(REG_BASE_ADDR + 0x180b0, vms->yres); + reg32_write(REG_BASE_ADDR + 0x18110, + (unsigned int)buffer + vms->xres * vms->yres); + reg32_write(REG_BASE_ADDR + 0x180f0, 0x00000280); + reg32_write(REG_BASE_ADDR + 0x18100, 0x000000f0); + reg32_write(REG_BASE_ADDR + 0x18070, ((vms->xres * 4) << 16)); + reg32_write(REG_BASE_ADDR + 0x18050, 0x000e4203); + reg32_write(REG_BASE_ADDR + 0x18050, 0x000e4203); + reg32_write(REG_BASE_ADDR + 0x18200, 0x00000038); + reg32_write(REG_BASE_ADDR + 0x18000, 0x00000004); + reg32_write(REG_BASE_ADDR + 0x18000, 0x00000005); + + /* SCALER */ + reg32_write(REG_BASE_ADDR + 0x1c008, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c00c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c010, 0x00000002); + reg32_write(REG_BASE_ADDR + 0x1c014, 0x00000002); + reg32_write(REG_BASE_ADDR + 0x1c018, + ((vms->yres - 1) << 16 | (vms->xres - 1))); + reg32_write(REG_BASE_ADDR + 0x1c01c, + ((vms->yres - 1) << 16 | (vms->xres - 1))); + reg32_write(REG_BASE_ADDR + 0x1c020, + ((vms->yres - 1) << 16 | (vms->xres - 1))); + reg32_write(REG_BASE_ADDR + 0x1c024, + ((vms->yres - 1) << 16 | (vms->xres - 1))); + reg32_write(REG_BASE_ADDR + 0x1c028, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c02c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c030, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c034, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c038, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c03c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c040, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c044, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c048, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c04c, 0x00002000); + reg32_write(REG_BASE_ADDR + 0x1c050, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c054, 0x00002000); + reg32_write(REG_BASE_ADDR + 0x1c058, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c05c, 0x00002000); + reg32_write(REG_BASE_ADDR + 0x1c060, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c064, 0x00002000); + reg32_write(REG_BASE_ADDR + 0x1c080, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0c0, 0x00040000); + reg32_write(REG_BASE_ADDR + 0x1c100, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c084, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0c4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c104, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c088, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0c8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c108, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c08c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0cc, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c10c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c090, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0d0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c110, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c094, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0d4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c114, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c098, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0d8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c118, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c09c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0dc, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c11c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0a0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0e0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c120, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0a4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0e4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c124, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0a8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0e8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c128, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0ac, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0ec, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c12c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0b0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0f0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c130, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0b4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0f4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c134, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0b8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0f8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c138, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0bc, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c0fc, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c13c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c140, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c180, 0x00040000); + reg32_write(REG_BASE_ADDR + 0x1c1c0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c144, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c184, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1c4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c148, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c188, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1c8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c14c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c18c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1cc, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c150, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c190, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1d0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c154, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c194, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1d4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c158, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c198, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1d8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c15c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c19c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1dc, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c160, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1a0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1e0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c164, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1a4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1e4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c168, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1a8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1e8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c16c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1ac, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1ec, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c170, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1b0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1f0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c174, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1b4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1f4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c178, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1b8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1f8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c17c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1bc, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c1fc, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c300, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c340, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c380, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c304, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c344, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c384, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c308, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c348, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c388, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c30c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c34c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c38c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c310, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c350, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c390, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c314, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c354, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c394, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c318, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c358, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c398, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c31c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c35c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c39c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c320, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c360, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c3a0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c324, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c364, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c3a4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c328, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c368, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c3a8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c32c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c36c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c3ac, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c330, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c370, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c3b0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c334, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c374, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c3b4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c338, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c378, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c3b8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c33c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c37c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c3bc, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c200, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c240, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c280, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c204, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c244, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c284, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c208, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c248, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c288, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c20c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c24c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c28c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c210, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c250, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c290, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c214, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c254, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c294, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c218, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c258, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c298, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c21c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c25c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c29c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c220, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c260, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c2a0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c224, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c264, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c2a4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c228, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c268, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c2a8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c22c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c26c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c2ac, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c230, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c270, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c2b0, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c234, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c274, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c2b4, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c238, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c278, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c2b8, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c23c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c27c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c2bc, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c2bc, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x1c000, 0x00000011); + + /* SUBSAM */ + reg32_write(REG_BASE_ADDR + 0x1b070, 0x21612161); + reg32_write(REG_BASE_ADDR + 0x1b080, 0x03ff0000); + reg32_write(REG_BASE_ADDR + 0x1b090, 0x03ff0000); + + reg32_write(REG_BASE_ADDR + 0x1b010, + (((vms->vfp + vms->vbp + vms->vsync + vms->yres - + 1) << 16) | (vms->hfp + vms->hbp + vms->hsync + + vms->xres - 1))); + reg32_write(REG_BASE_ADDR + 0x1b020, + (((vms->hsync - 1) << 16) | vms->hpol << 31 | (vms->hfp + + vms->hbp + + vms->hsync + + vms->xres - + 1))); + reg32_write(REG_BASE_ADDR + 0x1b030, + (((vms->vfp + vms->vsync - + 1) << 16) | vms->vpol << 31 | (vms->vfp - 1))); + + reg32_write(REG_BASE_ADDR + 0x1b040, + ((1 << 31) | ((vms->vsync + vms->vfp + vms->vbp) << 16) | + (vms->hsync + vms->hbp - 1))); + reg32_write(REG_BASE_ADDR + 0x1b050, + (((vms->vsync + vms->vfp + vms->vbp + vms->yres - + 1) << 16) | (vms->hsync + vms->hbp + vms->xres - 1))); + + /* subsample mode 0 none, 1 422, 2 420 */ + switch (encoding) { + case 4: + reg32_write(REG_BASE_ADDR + 0x1b060, 0x00000001); + break; + + case 8: + reg32_write(REG_BASE_ADDR + 0x1b060, 0x00000002); + break; + + case 2: + case 1: + default: + reg32_write(REG_BASE_ADDR + 0x1b060, 0x0000000); + } + + reg32_write(REG_BASE_ADDR + 0x1b000, 0x00000001); +#if 0 + /* not needed for splash setup */ + /* HDR10 Chan3 LUT */ + reg32_write(REG_BASE_ADDR + 0x03874, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x03080, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x03000, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x03800, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x07874, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x07080, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x07000, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x07800, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0b874, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0b080, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0b000, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0b800, 0x00000000); + + /* HDR10 Tables and Registers */ + /*reg32_write(REG_BASE_ADDR+0x0f074, 0x00000003); */ + /*reg32_write(REG_BASE_ADDR+0x0f000, 0x00000004); */ + + reg32_write(REG_BASE_ADDR + 0x0f004, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f008, 0x00000001); + reg32_write(REG_BASE_ADDR + 0x0f00c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f010, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f014, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f018, 0x00000001); + reg32_write(REG_BASE_ADDR + 0x0f01c, 0x00000001); + reg32_write(REG_BASE_ADDR + 0x0f020, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f024, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f028, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f02c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f030, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f034, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f038, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f03c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f040, 0xffffffff); + reg32_write(REG_BASE_ADDR + 0x0f044, 0xffffffff); + reg32_write(REG_BASE_ADDR + 0x0f048, 0xffffffff); + reg32_write(REG_BASE_ADDR + 0x0f04c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f050, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f054, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f058, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f05c, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f060, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f064, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f068, 0xffffffff); + reg32_write(REG_BASE_ADDR + 0x0f06c, 0xffffffff); + reg32_write(REG_BASE_ADDR + 0x0f070, 0xffffffff); + reg32_write(REG_BASE_ADDR + 0x0f074, 0x00000000); + reg32_write(REG_BASE_ADDR + 0x0f000, 0x00000003); +#endif + /* DTG */ + /*reg32_write(REG_BASE_ADDR + 0x20000, 0xff000484); */ + /* disable local alpha */ + reg32_write(REG_BASE_ADDR + 0x20000, 0xff005084); + reg32_write(REG_BASE_ADDR + 0x20004, + (((vms->vfp + vms->vbp + vms->vsync + vms->yres - + 1) << 16) | (vms->hfp + vms->hbp + vms->hsync + + vms->xres - 1))); + reg32_write(REG_BASE_ADDR + 0x20008, + (((vms->vsync + vms->vfp + vms->vbp - + 1) << 16) | (vms->hsync + vms->hbp - 1))); + reg32_write(REG_BASE_ADDR + 0x2000c, + (((vms->vsync + vms->vfp + vms->vbp + vms->yres - + 1) << 16) | (vms->hsync + vms->hbp + vms->xres - 1))); + reg32_write(REG_BASE_ADDR + 0x20010, + (((vms->vsync + vms->vfp + vms->vbp - + 1) << 16) | (vms->hsync + vms->hbp - 1))); + reg32_write(REG_BASE_ADDR + 0x20014, + (((vms->vsync + vms->vfp + vms->vbp + vms->yres - + 1) << 16) | (vms->hsync + vms->hbp + vms->xres - 1))); + reg32_write(REG_BASE_ADDR + 0x20028, 0x000b000a); + + /* disable local alpha */ + reg32_write(REG_BASE_ADDR + 0x20000, 0xff005184); + + debug("leaving %s() ...\n", __func__); +} + +void imx8m_display_shutdown(void) +{ + /* stop the DCSS modules in use */ + /* dtg */ + reg32_write(REG_BASE_ADDR + 0x20000, 0); + /* scaler */ + reg32_write(REG_BASE_ADDR + 0x1c000, 0); + reg32_write(REG_BASE_ADDR + 0x1c400, 0); + reg32_write(REG_BASE_ADDR + 0x1c800, 0); + /* dpr */ + reg32_write(REG_BASE_ADDR + 0x18000, 0); + reg32_write(REG_BASE_ADDR + 0x19000, 0); + reg32_write(REG_BASE_ADDR + 0x1a000, 0); + /* sub-sampler*/ + reg32_write(REG_BASE_ADDR + 0x1b000, 0); +#if 0 + /* reset the DCSS */ + reg32_write(0x32e2f000, 0xffffe8); + udelay(100); + reg32_write(0x32e2f000, 0xffffff); +#endif + +} +void *video_hw_init(void) +{ + void *fb; + int encoding = 1; + + debug("%s()\n", __func__); + + imx8m_power_init(0x1); + + panel.winSizeX = gmode.xres; + panel.winSizeY = gmode.yres; + panel.plnSizeX = gmode.xres; + panel.plnSizeY = gmode.yres; + panel.gdfBytesPP = 4; + panel.gdfIndex = GDF_32BIT_X888RGB; + panel.memSize = gmode.xres * gmode.yres * panel.gdfBytesPP; + + /* Allocate framebuffer */ + fb = memalign(0x1000, roundup(panel.memSize, 0x1000)); + debug("%s(): fb %p\n", __func__, fb); + if (!fb) { + printf("%s, %s(): Error allocating framebuffer!\n", + __FILE__, __func__); + return NULL; + } + + imx8m_create_color_bar((void *)((uint64_t) fb), &gmode); + + imx8_hdmi_enable(encoding, &gmode); /* may change gmode */ + + /* start dccs */ + imx8m_display_init((uint64_t) fb, encoding, &gmode); + + panel.frameAdrs = (ulong) fb; + debug("IMXDCSS display started ...\n"); + + return &panel; +} + +void imx8m_fb_disable(void) +{ + debug("%s()\n", __func__); + if (panel.frameAdrs) { +#ifdef CONFIG_VIDEO_IMX8_HDMI + imx8_hdmi_disable(); +#endif + imx8m_display_shutdown(); + } + +} + +int imx8m_fb_init(struct fb_videomode const *mode, + uint8_t disp, uint32_t pixfmt) +{ + debug("entering %s()\n", __func__); + + if (disp > 1) { + debug("Invalid disp parameter %d for imxdcss_fb_init()\n", + disp); + return -EINVAL; + } + + memset(&gmode, 0, sizeof(struct video_mode_settings)); + gmode.pixelclock = PS2KHZ(mode->pixclock) * 1000; + gmode.xres = mode->xres; + gmode.hbp = mode->left_margin; + gmode.hfp = mode->right_margin; + + gmode.yres = mode->yres; + gmode.vbp = mode->upper_margin; + gmode.vfp = mode->lower_margin; + + gmode.hsync = mode->hsync_len; + gmode.vsync = mode->vsync_len; + gmode.hpol = (mode->flag & FB_SYNC_HOR_HIGH_ACT) ? 1 : 0; + gmode.vpol = (mode->flag & FB_SYNC_VERT_HIGH_ACT) ? 1 : 0; + gpixfmt = pixfmt; + + debug("leaving %s()\n", __func__); + + return 0; +} |