diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/Makefile | 1 | ||||
| -rw-r--r-- | drivers/video/mb86r0xgdc.c | 168 | ||||
| -rw-r--r-- | drivers/video/sunxi_display.c | 54 |
3 files changed, 49 insertions, 174 deletions
diff --git a/drivers/video/Makefile b/drivers/video/Makefile index af2d47b..22a316b 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -32,7 +32,6 @@ obj-$(CONFIG_VIDEO_IMX25LCDC) += imx25lcdc.o videomodes.o obj-$(CONFIG_VIDEO_LCD_HITACHI_TX18D42VM) += hitachi_tx18d42vm_lcd.o obj-$(CONFIG_VIDEO_LCD_SSD2828) += ssd2828.o obj-$(CONFIG_VIDEO_MB862xx) += mb862xx.o videomodes.o -obj-$(CONFIG_VIDEO_MB86R0xGDC) += mb86r0xgdc.o videomodes.o obj-$(CONFIG_VIDEO_MX3) += mx3fb.o videomodes.o obj-$(CONFIG_VIDEO_IPUV3) += mxc_ipuv3_fb.o ipu_common.o ipu_disp.o obj-$(CONFIG_VIDEO_MXS) += mxsfb.o videomodes.o diff --git a/drivers/video/mb86r0xgdc.c b/drivers/video/mb86r0xgdc.c deleted file mode 100644 index bb7a749..0000000 --- a/drivers/video/mb86r0xgdc.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * (C) Copyright 2010 - * Matthias Weisser <weisserm@arcor.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * mb86r0xgdc.c - Graphic interface for Fujitsu MB86R0x integrated graphic - * controller. - */ - -#include <common.h> - -#include <malloc.h> -#include <asm/io.h> -#include <asm/arch/hardware.h> -#include <video_fb.h> -#include "videomodes.h" - -/* - * 4MB (at the end of system RAM) - */ -#define VIDEO_MEM_SIZE 0x400000 - -#define FB_SYNC_CLK_INV (1<<16) /* pixel clock inverted */ - -/* - * Graphic Device - */ -static GraphicDevice mb86r0x; - -static void dsp_init(struct mb86r0x_gdc_dsp *dsp, char *modestr, - u32 *videomem) -{ - struct ctfb_res_modes var_mode; - u32 dcm1, dcm2, dcm3; - u16 htp, hdp, hdb, hsp, vtr, vsp, vdp; - u8 hsw, vsw; - u32 l2m, l2em, l2oa0, l2da0, l2oa1, l2da1; - u16 l2dx, l2dy, l2wx, l2wy, l2ww, l2wh; - unsigned long div; - int bpp; - - bpp = video_get_params(&var_mode, modestr); - - if (bpp == 0) { - var_mode.xres = 640; - var_mode.yres = 480; - var_mode.pixclock = 39721; /* 25MHz */ - var_mode.left_margin = 48; - var_mode.right_margin = 16; - var_mode.upper_margin = 33; - var_mode.lower_margin = 10; - var_mode.hsync_len = 96; - var_mode.vsync_len = 2; - var_mode.sync = 0; - var_mode.vmode = 0; - bpp = 15; - } - - /* Fill memory with white */ - memset(videomem, 0xFF, var_mode.xres * var_mode.yres * 2); - - mb86r0x.winSizeX = var_mode.xres; - mb86r0x.winSizeY = var_mode.yres; - - /* LCD base clock is ~ 660MHZ. We do calculations in kHz */ - div = 660000 / (1000000000L / var_mode.pixclock); - if (div > 64) - div = 64; - if (0 == div) - div = 1; - - dcm1 = (div - 1) << 8; - dcm2 = 0x00000000; - if (var_mode.sync & FB_SYNC_CLK_INV) - dcm3 = 0x00000100; - else - dcm3 = 0x00000000; - - htp = var_mode.left_margin + var_mode.xres + - var_mode.hsync_len + var_mode.right_margin; - hdp = var_mode.xres; - hdb = var_mode.xres; - hsp = var_mode.xres + var_mode.right_margin; - hsw = var_mode.hsync_len; - - vsw = var_mode.vsync_len; - vtr = var_mode.upper_margin + var_mode.yres + - var_mode.vsync_len + var_mode.lower_margin; - vsp = var_mode.yres + var_mode.lower_margin; - vdp = var_mode.yres; - - l2m = ((var_mode.yres - 1) << (0)) | - (((var_mode.xres * 2) / 64) << (16)) | - ((1) << (31)); - - l2em = (1 << 0) | (1 << 1); - - l2oa0 = mb86r0x.frameAdrs; - l2da0 = mb86r0x.frameAdrs; - l2oa1 = mb86r0x.frameAdrs; - l2da1 = mb86r0x.frameAdrs; - l2dx = 0; - l2dy = 0; - l2wx = 0; - l2wy = 0; - l2ww = var_mode.xres; - l2wh = var_mode.yres - 1; - - writel(dcm1, &dsp->dcm1); - writel(dcm2, &dsp->dcm2); - writel(dcm3, &dsp->dcm3); - - writew(htp, &dsp->htp); - writew(hdp, &dsp->hdp); - writew(hdb, &dsp->hdb); - writew(hsp, &dsp->hsp); - writeb(hsw, &dsp->hsw); - - writeb(vsw, &dsp->vsw); - writew(vtr, &dsp->vtr); - writew(vsp, &dsp->vsp); - writew(vdp, &dsp->vdp); - - writel(l2m, &dsp->l2m); - writel(l2em, &dsp->l2em); - writel(l2oa0, &dsp->l2oa0); - writel(l2da0, &dsp->l2da0); - writel(l2oa1, &dsp->l2oa1); - writel(l2da1, &dsp->l2da1); - writew(l2dx, &dsp->l2dx); - writew(l2dy, &dsp->l2dy); - writew(l2wx, &dsp->l2wx); - writew(l2wy, &dsp->l2wy); - writew(l2ww, &dsp->l2ww); - writew(l2wh, &dsp->l2wh); - - writel(dcm1 | (1 << 18) | (1 << 31), &dsp->dcm1); -} - -void *video_hw_init(void) -{ - struct mb86r0x_gdc *gdc = (struct mb86r0x_gdc *) MB86R0x_GDC_BASE; - GraphicDevice *pGD = &mb86r0x; - char *s; - u32 *vid; - - memset(pGD, 0, sizeof(GraphicDevice)); - - pGD->gdfIndex = GDF_15BIT_555RGB; - pGD->gdfBytesPP = 2; - pGD->memSize = VIDEO_MEM_SIZE; - pGD->frameAdrs = PHYS_SDRAM + PHYS_SDRAM_SIZE - VIDEO_MEM_SIZE; - - vid = (u32 *)pGD->frameAdrs; - - s = getenv("videomode"); - if (s != NULL) - dsp_init(&gdc->dsp0, s, vid); - - s = getenv("videomode1"); - if (s != NULL) - dsp_init(&gdc->dsp1, s, vid); - - return pGD; -} diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c index f5f24fc..4e12150 100644 --- a/drivers/video/sunxi_display.c +++ b/drivers/video/sunxi_display.c @@ -18,6 +18,7 @@ #include <errno.h> #include <fdtdec.h> #include <fdt_support.h> +#include <i2c.h> #include <video_fb.h> #include "videomodes.h" #include "hitachi_tx18d42vm_lcd.h" @@ -46,6 +47,7 @@ struct sunxi_display { GraphicDevice graphic_device; enum sunxi_monitor monitor; unsigned int depth; + unsigned int fb_size; } sunxi_display; #ifdef CONFIG_VIDEO_HDMI @@ -591,7 +593,7 @@ static void sunxi_lcdc_enable(void) static void sunxi_lcdc_panel_enable(void) { - int pin; + int pin, reset_pin; /* * Start with backlight disabled to avoid the screen flashing to @@ -609,6 +611,12 @@ static void sunxi_lcdc_panel_enable(void) gpio_direction_output(pin, PWM_OFF); } + reset_pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_RESET); + if (reset_pin != -1) { + gpio_request(reset_pin, "lcd_reset"); + gpio_direction_output(reset_pin, 0); /* Assert reset */ + } + /* Give the backlight some time to turn off and power up the panel. */ mdelay(40); pin = sunxi_name_to_gpio(CONFIG_VIDEO_LCD_POWER); @@ -616,6 +624,9 @@ static void sunxi_lcdc_panel_enable(void) gpio_request(pin, "lcd_power"); gpio_direction_output(pin, 1); } + + if (reset_pin != -1) + gpio_direction_output(reset_pin, 1); /* De-assert reset */ } static void sunxi_lcdc_backlight_enable(void) @@ -1020,6 +1031,12 @@ static void sunxi_mode_set(const struct ctfb_res_modes *mode, mdelay(50); /* Wait for lcd controller power on */ hitachi_tx18d42vm_init(); } + if (IS_ENABLED(CONFIG_VIDEO_LCD_TL059WV5C0)) { + unsigned int orig_i2c_bus = i2c_get_bus_num(); + i2c_set_bus_num(CONFIG_VIDEO_LCD_I2C_BUS); + i2c_reg_write(0x5c, 0x04, 0x42); /* Turn on the LCD */ + i2c_set_bus_num(orig_i2c_bus); + } sunxi_composer_mode_set(mode, address); sunxi_lcdc_tcon0_mode_set(mode, false); sunxi_composer_enable(); @@ -1060,6 +1077,11 @@ static const char *sunxi_get_mon_desc(enum sunxi_monitor monitor) return NULL; /* never reached */ } +ulong board_get_usable_ram_top(ulong total_size) +{ + return gd->ram_top - CONFIG_SUNXI_MAX_FB_SIZE; +} + void *video_hw_init(void) { static GraphicDevice *graphic_device = &sunxi_display.graphic_device; @@ -1075,10 +1097,6 @@ void *video_hw_init(void) memset(&sunxi_display, 0, sizeof(struct sunxi_display)); - printf("Reserved %dkB of RAM for Framebuffer.\n", - CONFIG_SUNXI_FB_SIZE >> 10); - gd->fb_base = gd->ram_top; - video_get_ctfb_res_modes(RES_MODE_1024x768, 24, &mode, &sunxi_display.depth, &options); #ifdef CONFIG_VIDEO_HDMI @@ -1169,6 +1187,17 @@ void *video_hw_init(void) mode->yres, sunxi_get_mon_desc(sunxi_display.monitor)); } + sunxi_display.fb_size = + (mode->xres * mode->yres * 4 + 0xfff) & ~0xfff; + if (sunxi_display.fb_size > CONFIG_SUNXI_MAX_FB_SIZE) { + printf("Error need %dkB for fb, but only %dkB is reserved\n", + sunxi_display.fb_size >> 10, + CONFIG_SUNXI_MAX_FB_SIZE >> 10); + return NULL; + } + + gd->fb_base = gd->bd->bi_dram[0].start + + gd->bd->bi_dram[0].size - sunxi_display.fb_size; sunxi_engines_init(); sunxi_mode_set(mode, gd->fb_base - CONFIG_SYS_SDRAM_BASE); @@ -1194,6 +1223,7 @@ int sunxi_simplefb_setup(void *blob) { static GraphicDevice *graphic_device = &sunxi_display.graphic_device; int offset, ret; + u64 start, size; const char *pipeline = NULL; #ifdef CONFIG_MACH_SUN4I @@ -1237,6 +1267,20 @@ int sunxi_simplefb_setup(void *blob) return 0; /* Keep older kernels working */ } + /* + * Do not report the framebuffer as free RAM to the OS, note we cannot + * use fdt_add_mem_rsv() here, because then it is still seen as RAM, + * and e.g. Linux refuses to iomap RAM on ARM, see: + * linux/arch/arm/mm/ioremap.c around line 301. + */ + start = gd->bd->bi_dram[0].start; + size = gd->bd->bi_dram[0].size - sunxi_display.fb_size; + ret = fdt_fixup_memory_banks(blob, &start, &size, 1); + if (ret) { + eprintf("Cannot setup simplefb: Error reserving memory\n"); + return ret; + } + ret = fdt_setup_simplefb_node(blob, offset, gd->fb_base, graphic_device->winSizeX, graphic_device->winSizeY, graphic_device->winSizeX * graphic_device->gdfBytesPP, |