diff options
| -rw-r--r-- | arch/arm/dts/tegra20-seaboard.dts | 4 | ||||
| -rw-r--r-- | arch/arm/dts/tegra20.dtsi | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-tegra20/display.h | 26 | ||||
| -rw-r--r-- | board/compal/paz00/paz00.c | 2 | ||||
| -rw-r--r-- | configs/colibri_t20_defconfig | 4 | ||||
| -rw-r--r-- | configs/harmony_defconfig | 6 | ||||
| -rw-r--r-- | configs/medcom-wide_defconfig | 4 | ||||
| -rw-r--r-- | configs/paz00_defconfig | 4 | ||||
| -rw-r--r-- | configs/seaboard_defconfig | 4 | ||||
| -rw-r--r-- | configs/tec_defconfig | 4 | ||||
| -rw-r--r-- | configs/ventana_defconfig | 4 | ||||
| -rw-r--r-- | drivers/video/tegra.c | 385 | ||||
| -rw-r--r-- | include/configs/colibri_t20.h | 2 | ||||
| -rw-r--r-- | include/configs/harmony.h | 2 | ||||
| -rw-r--r-- | include/configs/medcom-wide.h | 2 | ||||
| -rw-r--r-- | include/configs/paz00.h | 2 | ||||
| -rw-r--r-- | include/configs/seaboard.h | 2 | ||||
| -rw-r--r-- | include/configs/tec.h | 2 | ||||
| -rw-r--r-- | include/configs/ventana.h | 2 |
19 files changed, 208 insertions, 255 deletions
diff --git a/arch/arm/dts/tegra20-seaboard.dts b/arch/arm/dts/tegra20-seaboard.dts index 02ea64d..15bd121 100644 --- a/arch/arm/dts/tegra20-seaboard.dts +++ b/arch/arm/dts/tegra20-seaboard.dts @@ -40,6 +40,10 @@ nvidia,panel = <&lcd_panel>; }; }; + + dc@54240000 { + status = "disabled"; + }; }; /* This is not used in U-Boot, but is expected to be in kernel .dts */ diff --git a/arch/arm/dts/tegra20.dtsi b/arch/arm/dts/tegra20.dtsi index 5b14be4..31223e4 100644 --- a/arch/arm/dts/tegra20.dtsi +++ b/arch/arm/dts/tegra20.dtsi @@ -10,6 +10,7 @@ interrupt-parent = <&lic>; host1x@50000000 { + u-boot,dm-pre-reloc; compatible = "nvidia,tegra20-host1x", "simple-bus"; reg = <0x50000000 0x00024000>; interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>, /* syncpt */ @@ -77,6 +78,7 @@ }; dc@54200000 { + u-boot,dm-pre-reloc; compatible = "nvidia,tegra20-dc"; reg = <0x54200000 0x00040000>; interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>; diff --git a/arch/arm/include/asm/arch-tegra20/display.h b/arch/arm/include/asm/arch-tegra20/display.h index 3f5f9b1..1f505b8 100644 --- a/arch/arm/include/asm/arch-tegra20/display.h +++ b/arch/arm/include/asm/arch-tegra20/display.h @@ -48,30 +48,4 @@ enum lcd_cache_t { FDT_LCD_CACHE_FLUSH, }; -/** - * Perform the next stage of the LCD init if it is time to do so. - * - * LCD init can be time-consuming because of the number of delays we need - * while waiting for the backlight power supply, etc. This function can - * be called at various times during U-Boot operation to advance the - * initialization of the LCD to the next stage if sufficient time has - * passed since the last stage. It keeps track of what stage it is up to - * and the time that it is permitted to move to the next stage. - * - * The final call should have wait=1 to complete the init. - * - * @param blob fdt blob containing LCD information - * @param wait 1 to wait until all init is complete, and then return - * 0 to return immediately, potentially doing nothing if it is - * not yet time for the next init. - */ -int tegra_lcd_check_next_stage(const void *blob, int wait); - -/** - * Set up the maximum LCD size so we can size the frame buffer. - * - * @param blob fdt blob containing LCD information - */ -void tegra_lcd_early_init(const void *blob); - #endif /*__ASM_ARCH_TEGRA_DISPLAY_H*/ diff --git a/board/compal/paz00/paz00.c b/board/compal/paz00/paz00.c index cd99294..43931b0 100644 --- a/board/compal/paz00/paz00.c +++ b/board/compal/paz00/paz00.c @@ -41,7 +41,7 @@ void pin_mux_mmc(void) } #endif -#ifdef CONFIG_LCD +#ifdef CONFIG_DM_VIDEO /* this is a weak define that we are overriding */ void pin_mux_display(void) { diff --git a/configs/colibri_t20_defconfig b/configs/colibri_t20_defconfig index 9b198e0..84e5bc5 100644 --- a/configs/colibri_t20_defconfig +++ b/configs/colibri_t20_defconfig @@ -11,8 +11,12 @@ CONFIG_SYS_PROMPT="Colibri T20 # " # CONFIG_CMD_FPGA is not set CONFIG_CMD_GPIO=y # CONFIG_CMD_NFS is not set +CONFIG_DM_PMIC=y +CONFIG_DM_REGULATOR=y +CONFIG_DM_PWM=y CONFIG_SYS_NS16550=y CONFIG_USB=y CONFIG_DM_USB=y +CONFIG_DM_VIDEO=y CONFIG_VIDEO_TEGRA20=y CONFIG_USE_PRIVATE_LIBGCC=y diff --git a/configs/harmony_defconfig b/configs/harmony_defconfig index d1abd4b..8a41118 100644 --- a/configs/harmony_defconfig +++ b/configs/harmony_defconfig @@ -12,8 +12,12 @@ CONFIG_SYS_PROMPT="Tegra20 (Harmony) # " CONFIG_CMD_GPIO=y # CONFIG_CMD_SETEXPR is not set # CONFIG_CMD_NFS is not set +CONFIG_DM_PMIC=y +CONFIG_DM_REGULATOR=y +CONFIG_DM_PWM=y CONFIG_SYS_NS16550=y CONFIG_USB=y CONFIG_DM_USB=y -CONFIG_USE_PRIVATE_LIBGCC=y +CONFIG_DM_VIDEO=y CONFIG_VIDEO_TEGRA20=y +CONFIG_USE_PRIVATE_LIBGCC=y diff --git a/configs/medcom-wide_defconfig b/configs/medcom-wide_defconfig index 579a338..7aff258 100644 --- a/configs/medcom-wide_defconfig +++ b/configs/medcom-wide_defconfig @@ -12,8 +12,12 @@ CONFIG_SYS_PROMPT="Tegra20 (Medcom-Wide) # " CONFIG_CMD_GPIO=y # CONFIG_CMD_SETEXPR is not set # CONFIG_CMD_NFS is not set +CONFIG_DM_PMIC=y +CONFIG_DM_REGULATOR=y +CONFIG_DM_PWM=y CONFIG_SYS_NS16550=y CONFIG_USB=y CONFIG_DM_USB=y +CONFIG_DM_VIDEO=y CONFIG_VIDEO_TEGRA20=y CONFIG_USE_PRIVATE_LIBGCC=y diff --git a/configs/paz00_defconfig b/configs/paz00_defconfig index 37118f8..ea9fe44 100644 --- a/configs/paz00_defconfig +++ b/configs/paz00_defconfig @@ -12,8 +12,12 @@ CONFIG_SYS_PROMPT="Tegra20 (Paz00) MOD # " CONFIG_CMD_GPIO=y # CONFIG_CMD_SETEXPR is not set # CONFIG_CMD_NFS is not set +CONFIG_DM_PMIC=y +CONFIG_DM_REGULATOR=y +CONFIG_DM_PWM=y CONFIG_SYS_NS16550=y CONFIG_USB=y CONFIG_DM_USB=y +CONFIG_DM_VIDEO=y CONFIG_VIDEO_TEGRA20=y CONFIG_USE_PRIVATE_LIBGCC=y diff --git a/configs/seaboard_defconfig b/configs/seaboard_defconfig index 3ced3cc..528707f 100644 --- a/configs/seaboard_defconfig +++ b/configs/seaboard_defconfig @@ -12,8 +12,12 @@ CONFIG_SYS_PROMPT="Tegra20 (SeaBoard) # " CONFIG_CMD_GPIO=y # CONFIG_CMD_SETEXPR is not set # CONFIG_CMD_NFS is not set +CONFIG_DM_PMIC=y +CONFIG_DM_REGULATOR=y +CONFIG_DM_PWM=y CONFIG_SYS_NS16550=y CONFIG_USB=y CONFIG_DM_USB=y +CONFIG_DM_VIDEO=y CONFIG_VIDEO_TEGRA20=y CONFIG_USE_PRIVATE_LIBGCC=y diff --git a/configs/tec_defconfig b/configs/tec_defconfig index 3b14300..9ba3062 100644 --- a/configs/tec_defconfig +++ b/configs/tec_defconfig @@ -12,8 +12,12 @@ CONFIG_SYS_PROMPT="Tegra20 (TEC) # " CONFIG_CMD_GPIO=y # CONFIG_CMD_SETEXPR is not set # CONFIG_CMD_NFS is not set +CONFIG_DM_PMIC=y +CONFIG_DM_REGULATOR=y +CONFIG_DM_PWM=y CONFIG_SYS_NS16550=y CONFIG_USB=y CONFIG_DM_USB=y +CONFIG_DM_VIDEO=y CONFIG_VIDEO_TEGRA20=y CONFIG_USE_PRIVATE_LIBGCC=y diff --git a/configs/ventana_defconfig b/configs/ventana_defconfig index d83e0d3..08abea2 100644 --- a/configs/ventana_defconfig +++ b/configs/ventana_defconfig @@ -12,8 +12,12 @@ CONFIG_SYS_PROMPT="Tegra20 (Ventana) # " CONFIG_CMD_GPIO=y # CONFIG_CMD_SETEXPR is not set # CONFIG_CMD_NFS is not set +CONFIG_DM_PMIC=y +CONFIG_DM_REGULATOR=y +CONFIG_DM_PWM=y CONFIG_SYS_NS16550=y CONFIG_USB=y CONFIG_DM_USB=y +CONFIG_DM_VIDEO=y CONFIG_VIDEO_TEGRA20=y CONFIG_USE_PRIVATE_LIBGCC=y diff --git a/drivers/video/tegra.c b/drivers/video/tegra.c index 8fc9c06..bb2601f 100644 --- a/drivers/video/tegra.c +++ b/drivers/video/tegra.c @@ -2,11 +2,11 @@ * Copyright (c) 2011 The Chromium OS Authors. * SPDX-License-Identifier: GPL-2.0+ */ - +#define DEBUG #include <common.h> +#include <dm.h> #include <fdtdec.h> -#include <lcd.h> - +#include <video.h> #include <asm/system.h> #include <asm/gpio.h> #include <asm/io.h> @@ -36,7 +36,6 @@ static unsigned long timer_next; /* Time we can move onto next stage */ /* Information about the display controller */ struct tegra_lcd_priv { - int valid; /* config is valid */ int width; /* width in pixels */ int height; /* height in pixels */ int bpp; /* number of bits per pixel */ @@ -69,20 +68,11 @@ struct tegra_lcd_priv { uint panel_timings[FDT_LCD_TIMINGS]; }; -/* Our LCD config, set up in handle_stage() */ -static struct tegra_lcd_priv config; -struct tegra_lcd_priv *disp_config; /* Display controller config */ - enum { /* Maximum LCD size we support */ LCD_MAX_WIDTH = 1366, LCD_MAX_HEIGHT = 768, - LCD_MAX_LOG2_BPP = 4, /* 2^4 = 16 bpp */ -}; - -vidinfo_t panel_info = { - /* Insert a value here so that we don't end up in the BSS */ - .vl_col = -1, + LCD_MAX_LOG2_BPP = VIDEO_BPP16, }; static void update_window(struct dc_ctlr *dc, struct disp_ctl_win *win) @@ -141,26 +131,26 @@ static void update_window(struct dc_ctlr *dc, struct disp_ctl_win *win) writel(val, &dc->cmd.state_ctrl); } -static void write_pair(struct tegra_lcd_priv *config, int item, u32 *reg) +static void write_pair(struct tegra_lcd_priv *priv, int item, u32 *reg) { - writel(config->horiz_timing[item] | - (config->vert_timing[item] << 16), reg); + writel(priv->horiz_timing[item] | + (priv->vert_timing[item] << 16), reg); } static int update_display_mode(struct dc_disp_reg *disp, - struct tegra_lcd_priv *config) + struct tegra_lcd_priv *priv) { unsigned long val; unsigned long rate; unsigned long div; writel(0x0, &disp->disp_timing_opt); - write_pair(config, FDT_LCD_TIMING_REF_TO_SYNC, &disp->ref_to_sync); - write_pair(config, FDT_LCD_TIMING_SYNC_WIDTH, &disp->sync_width); - write_pair(config, FDT_LCD_TIMING_BACK_PORCH, &disp->back_porch); - write_pair(config, FDT_LCD_TIMING_FRONT_PORCH, &disp->front_porch); + write_pair(priv, FDT_LCD_TIMING_REF_TO_SYNC, &disp->ref_to_sync); + write_pair(priv, FDT_LCD_TIMING_SYNC_WIDTH, &disp->sync_width); + write_pair(priv, FDT_LCD_TIMING_BACK_PORCH, &disp->back_porch); + write_pair(priv, FDT_LCD_TIMING_FRONT_PORCH, &disp->front_porch); - writel(config->width | (config->height << 16), &disp->disp_active); + writel(priv->width | (priv->height << 16), &disp->disp_active); val = DE_SELECT_ACTIVE << DE_SELECT_SHIFT; val |= DE_CONTROL_NORMAL << DE_CONTROL_SHIFT; @@ -178,7 +168,7 @@ static int update_display_mode(struct dc_disp_reg *disp, * up or down as requried. */ rate = clock_get_periph_rate(PERIPH_ID_DISP1, CLOCK_ID_CGENERAL); - div = ((rate * 2 + config->pixel_clock / 2) / config->pixel_clock) - 2; + div = ((rate * 2 + priv->pixel_clock / 2) / priv->pixel_clock) - 2; debug("Display clock %lu, divider %lu\n", rate, div); writel(0x00010001, &disp->shift_clk_opt); @@ -264,20 +254,20 @@ static void rgb_enable(struct dc_com_reg *com) } static int setup_window(struct disp_ctl_win *win, - struct tegra_lcd_priv *config) + struct tegra_lcd_priv *priv) { win->x = 0; win->y = 0; - win->w = config->width; - win->h = config->height; + win->w = priv->width; + win->h = priv->height; win->out_x = 0; win->out_y = 0; - win->out_w = config->width; - win->out_h = config->height; - win->phys_addr = config->frame_buffer; - win->stride = config->width * (1 << config->log2_bpp) / 8; - debug("%s: depth = %d\n", __func__, config->log2_bpp); - switch (config->log2_bpp) { + win->out_w = priv->width; + win->out_h = priv->height; + win->phys_addr = priv->frame_buffer; + win->stride = priv->width * (1 << priv->log2_bpp) / 8; + debug("%s: depth = %d\n", __func__, priv->log2_bpp); + switch (priv->log2_bpp) { case 5: case 24: win->fmt = COLOR_DEPTH_R8G8B8A8; @@ -296,17 +286,6 @@ static int setup_window(struct disp_ctl_win *win, return 0; } -/** - * Return the current display configuration - * - * @return pointer to display configuration, or NULL if there is no valid - * config - */ -struct tegra_lcd_priv *tegra_display_get_config(void) -{ - return config.valid ? &config : NULL; -} - static void debug_timing(const char *name, unsigned int timing[]) { #ifdef DEBUG @@ -324,19 +303,18 @@ static void debug_timing(const char *name, unsigned int timing[]) * * @param blob fdt blob * @param node offset of fdt node to read from - * @param config structure to store fdt config into + * @param priv structure to store fdt config into * @return 0 if ok, -ve on error */ static int tegra_decode_panel(const void *blob, int node, - struct tegra_lcd_priv *config) + struct tegra_lcd_priv *priv) { int front, back, ref; - config->width = fdtdec_get_int(blob, node, "xres", -1); - config->height = fdtdec_get_int(blob, node, "yres", -1); - config->pixel_clock = fdtdec_get_int(blob, node, "clock", 0); - if (!config->pixel_clock || config->width == -1 || - config->height == -1) { + priv->width = fdtdec_get_int(blob, node, "xres", -1); + priv->height = fdtdec_get_int(blob, node, "yres", -1); + priv->pixel_clock = fdtdec_get_int(blob, node, "clock", 0); + if (!priv->pixel_clock || priv->width == -1 || priv->height == -1) { debug("%s: Pixel parameters missing\n", __func__); return -FDT_ERR_NOTFOUND; } @@ -350,12 +328,12 @@ static int tegra_decode_panel(const void *blob, int node, } /* Use a ref-to-sync of 1 always, and take this from the front porch */ - config->horiz_timing[FDT_LCD_TIMING_REF_TO_SYNC] = 1; - config->horiz_timing[FDT_LCD_TIMING_SYNC_WIDTH] = ref; - config->horiz_timing[FDT_LCD_TIMING_BACK_PORCH] = back; - config->horiz_timing[FDT_LCD_TIMING_FRONT_PORCH] = front - - config->horiz_timing[FDT_LCD_TIMING_REF_TO_SYNC]; - debug_timing("horiz", config->horiz_timing); + priv->horiz_timing[FDT_LCD_TIMING_REF_TO_SYNC] = 1; + priv->horiz_timing[FDT_LCD_TIMING_SYNC_WIDTH] = ref; + priv->horiz_timing[FDT_LCD_TIMING_BACK_PORCH] = back; + priv->horiz_timing[FDT_LCD_TIMING_FRONT_PORCH] = front - + priv->horiz_timing[FDT_LCD_TIMING_REF_TO_SYNC]; + debug_timing("horiz", priv->horiz_timing); back = fdtdec_get_int(blob, node, "upper-margin", -1); front = fdtdec_get_int(blob, node, "lower-margin", -1); @@ -365,12 +343,12 @@ static int tegra_decode_panel(const void *blob, int node, return -FDT_ERR_NOTFOUND; } - config->vert_timing[FDT_LCD_TIMING_REF_TO_SYNC] = 1; - config->vert_timing[FDT_LCD_TIMING_SYNC_WIDTH] = ref; - config->vert_timing[FDT_LCD_TIMING_BACK_PORCH] = back; - config->vert_timing[FDT_LCD_TIMING_FRONT_PORCH] = front - - config->vert_timing[FDT_LCD_TIMING_REF_TO_SYNC]; - debug_timing("vert", config->vert_timing); + priv->vert_timing[FDT_LCD_TIMING_REF_TO_SYNC] = 1; + priv->vert_timing[FDT_LCD_TIMING_SYNC_WIDTH] = ref; + priv->vert_timing[FDT_LCD_TIMING_BACK_PORCH] = back; + priv->vert_timing[FDT_LCD_TIMING_FRONT_PORCH] = front - + priv->vert_timing[FDT_LCD_TIMING_REF_TO_SYNC]; + debug_timing("vert", priv->vert_timing); return 0; } @@ -379,55 +357,46 @@ static int tegra_decode_panel(const void *blob, int node, * Decode the display controller information from the fdt. * * @param blob fdt blob - * @param config structure to store fdt config into + * @param priv structure to store fdt priv into * @return 0 if ok, -ve on error */ -static int tegra_display_decode_config(const void *blob, - struct tegra_lcd_priv *config) +static int tegra_display_decode_config(const void *blob, int node, + struct tegra_lcd_priv *priv) { - int node, rgb; + int rgb; int bpp, bit; - /* TODO: Support multiple controllers */ - node = fdtdec_next_compatible(blob, 0, COMPAT_NVIDIA_TEGRA20_DC); - if (node < 0) { - debug("%s: Cannot find display controller node in fdt\n", - __func__); - return node; - } - config->disp = (struct disp_ctlr *)fdtdec_get_addr(blob, node, "reg"); - if (!config->disp) { + priv->disp = (struct disp_ctlr *)fdtdec_get_addr(blob, node, "reg"); + if (!priv->disp) { debug("%s: No display controller address\n", __func__); return -1; } rgb = fdt_subnode_offset(blob, node, "rgb"); - config->panel_node = fdtdec_lookup_phandle(blob, rgb, "nvidia,panel"); - if (config->panel_node < 0) { + priv->panel_node = fdtdec_lookup_phandle(blob, rgb, "nvidia,panel"); + if (priv->panel_node < 0) { debug("%s: Cannot find panel information\n", __func__); return -1; } - if (tegra_decode_panel(blob, config->panel_node, config)) { + if (tegra_decode_panel(blob, priv->panel_node, priv)) { debug("%s: Failed to decode panel information\n", __func__); return -1; } - bpp = fdtdec_get_int(blob, config->panel_node, "nvidia,bits-per-pixel", + bpp = fdtdec_get_int(blob, priv->panel_node, "nvidia,bits-per-pixel", -1); bit = ffs(bpp) - 1; if (bpp == (1 << bit)) - config->log2_bpp = bit; + priv->log2_bpp = bit; else - config->log2_bpp = bpp; + priv->log2_bpp = bpp; if (bpp == -1) { debug("%s: Pixel bpp parameters missing\n", __func__); return -FDT_ERR_NOTFOUND; } - config->bpp = bpp; - - config->valid = 1; /* we have a valid configuration */ + priv->bpp = bpp; return 0; } @@ -440,20 +409,19 @@ static int tegra_display_decode_config(const void *blob, * struct tegra_lcd_priv to see what was actually chosen. * * @param blob Device tree blob + * @param priv Driver's private data * @param default_lcd_base Default address of LCD frame buffer * @return 0 if ok, -1 on error (unsupported bits per pixel) */ -static int tegra_display_probe(const void *blob, void *default_lcd_base) +static int tegra_display_probe(const void *blob, struct tegra_lcd_priv *priv, + void *default_lcd_base) { struct disp_ctl_win window; struct dc_ctlr *dc; - if (tegra_display_decode_config(blob, &config)) - return -1; - - config.frame_buffer = (u32)default_lcd_base; + priv->frame_buffer = (u32)default_lcd_base; - dc = (struct dc_ctlr *)config.disp; + dc = (struct dc_ctlr *)priv->disp; /* * A header file for clock constants was NAKed upstream. @@ -468,10 +436,10 @@ static int tegra_display_probe(const void *blob, void *default_lcd_base) basic_init_timer(&dc->disp); rgb_enable(&dc->com); - if (config.pixel_clock) - update_display_mode(&dc->disp, &config); + if (priv->pixel_clock) + update_display_mode(&dc->disp, priv); - if (setup_window(&window, &config)) + if (setup_window(&window, priv)) return -1; update_window(dc, &window); @@ -479,142 +447,61 @@ static int tegra_display_probe(const void *blob, void *default_lcd_base) return 0; } -static void update_panel_size(struct tegra_lcd_priv *config) -{ - panel_info.vl_col = config->width; - panel_info.vl_row = config->height; - panel_info.vl_bpix = config->log2_bpp; -} - -/* - * Main init function called by lcd driver. - * Inits and then prints test pattern if required. - */ - -void lcd_ctrl_init(void *lcdbase) -{ - int type = DCACHE_OFF; - int size; - - assert(disp_config); - - /* Make sure that we can acommodate the selected LCD */ - assert(disp_config->width <= LCD_MAX_WIDTH); - assert(disp_config->height <= LCD_MAX_HEIGHT); - assert(disp_config->log2_bpp <= LCD_MAX_LOG2_BPP); - if (disp_config->width <= LCD_MAX_WIDTH - && disp_config->height <= LCD_MAX_HEIGHT - && disp_config->log2_bpp <= LCD_MAX_LOG2_BPP) - update_panel_size(disp_config); - size = lcd_get_size(&lcd_line_length); - - /* Set up the LCD caching as requested */ - if (config.cache_type & FDT_LCD_CACHE_WRITE_THROUGH) - type = DCACHE_WRITETHROUGH; - else if (config.cache_type & FDT_LCD_CACHE_WRITE_BACK) - type = DCACHE_WRITEBACK; - mmu_set_region_dcache_behaviour(disp_config->frame_buffer, size, type); - - /* Enable flushing after LCD writes if requested */ - lcd_set_flush_dcache(config.cache_type & FDT_LCD_CACHE_FLUSH); - - debug("LCD frame buffer at %pa\n", &disp_config->frame_buffer); -} - -ulong calc_fbsize(void) -{ - return (panel_info.vl_col * panel_info.vl_row * - NBITS(panel_info.vl_bpix)) / 8; -} - -void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue) -{ -} - -void tegra_lcd_early_init(const void *blob) -{ - /* - * Go with the maximum size for now. We will fix this up after - * relocation. These values are only used for memory alocation. - */ - panel_info.vl_col = LCD_MAX_WIDTH; - panel_info.vl_row = LCD_MAX_HEIGHT; - panel_info.vl_bpix = LCD_MAX_LOG2_BPP; -} - /** * Decode the panel information from the fdt. * * @param blob fdt blob - * @param config structure to store fdt config into + * @param priv structure to store fdt config into * @return 0 if ok, -ve on error */ -static int fdt_decode_lcd(const void *blob, struct tegra_lcd_priv *config) +static int fdt_decode_lcd(const void *blob, struct tegra_lcd_priv *priv) { int display_node; - disp_config = tegra_display_get_config(); - if (!disp_config) { - debug("%s: Display controller is not configured\n", __func__); - return -1; - } - display_node = disp_config->panel_node; + display_node = priv->panel_node; if (display_node < 0) { debug("%s: No panel configuration available\n", __func__); return -1; } - config->pwm_channel = pwm_request(blob, display_node, "nvidia,pwm"); - if (config->pwm_channel < 0) { + priv->pwm_channel = pwm_request(blob, display_node, "nvidia,pwm"); + if (priv->pwm_channel < 0) { debug("%s: Unable to request PWM channel\n", __func__); return -1; } - config->cache_type = fdtdec_get_int(blob, display_node, + priv->cache_type = fdtdec_get_int(blob, display_node, "nvidia,cache-type", FDT_LCD_CACHE_WRITE_BACK_FLUSH); /* These GPIOs are all optional */ gpio_request_by_name_nodev(blob, display_node, "nvidia,backlight-enable-gpios", 0, - &config->backlight_en, GPIOD_IS_OUT); + &priv->backlight_en, GPIOD_IS_OUT); gpio_request_by_name_nodev(blob, display_node, "nvidia,lvds-shutdown-gpios", 0, - &config->lvds_shutdown, GPIOD_IS_OUT); + &priv->lvds_shutdown, GPIOD_IS_OUT); gpio_request_by_name_nodev(blob, display_node, "nvidia,backlight-vdd-gpios", 0, - &config->backlight_vdd, GPIOD_IS_OUT); + &priv->backlight_vdd, GPIOD_IS_OUT); gpio_request_by_name_nodev(blob, display_node, "nvidia,panel-vdd-gpios", 0, - &config->panel_vdd, GPIOD_IS_OUT); + &priv->panel_vdd, GPIOD_IS_OUT); return fdtdec_get_int_array(blob, display_node, "nvidia,panel-timings", - config->panel_timings, FDT_LCD_TIMINGS); + priv->panel_timings, FDT_LCD_TIMINGS); } /** * Handle the next stage of device init */ -static int handle_stage(const void *blob) +static int handle_stage(const void *blob, struct tegra_lcd_priv *priv) { debug("%s: stage %d\n", __func__, stage); /* do the things for this stage */ switch (stage) { case STAGE_START: - /* Initialize the Tegra display controller */ - if (tegra_display_probe(gd->fdt_blob, (void *)gd->fb_base)) { - printf("%s: Failed to probe display driver\n", - __func__); - return -1; - } - - /* get panel details */ - if (fdt_decode_lcd(blob, &config)) { - printf("No valid LCD information in device tree\n"); - return -1; - } - /* * It is possible that the FDT has requested that the LCD be * disabled. We currently don't support this. It would require @@ -628,27 +515,27 @@ static int handle_stage(const void *blob) funcmux_select(PERIPH_ID_DISP1, FUNCMUX_DEFAULT); break; case STAGE_PANEL_VDD: - if (dm_gpio_is_valid(&config.panel_vdd)) - dm_gpio_set_value(&config.panel_vdd, 1); + if (dm_gpio_is_valid(&priv->panel_vdd)) + dm_gpio_set_value(&priv->panel_vdd, 1); break; case STAGE_LVDS: - if (dm_gpio_is_valid(&config.lvds_shutdown)) - dm_gpio_set_value(&config.lvds_shutdown, 1); + if (dm_gpio_is_valid(&priv->lvds_shutdown)) + dm_gpio_set_value(&priv->lvds_shutdown, 1); break; case STAGE_BACKLIGHT_VDD: - if (dm_gpio_is_valid(&config.backlight_vdd)) - dm_gpio_set_value(&config.backlight_vdd, 1); + if (dm_gpio_is_valid(&priv->backlight_vdd)) + dm_gpio_set_value(&priv->backlight_vdd, 1); break; case STAGE_PWM: /* Enable PWM at 15/16 high, 32768 Hz with divider 1 */ pinmux_set_func(PMUX_PINGRP_GPU, PMUX_FUNC_PWM); pinmux_tristate_disable(PMUX_PINGRP_GPU); - pwm_enable(config.pwm_channel, 32768, 0xdf, 1); + pwm_enable(priv->pwm_channel, 32768, 0xdf, 1); break; case STAGE_BACKLIGHT_EN: - if (dm_gpio_is_valid(&config.backlight_en)) - dm_gpio_set_value(&config.backlight_en, 1); + if (dm_gpio_is_valid(&priv->backlight_en)) + dm_gpio_set_value(&priv->backlight_en, 1); break; case STAGE_DONE: break; @@ -657,14 +544,32 @@ static int handle_stage(const void *blob) /* set up timer for next stage */ timer_next = timer_get_us(); if (stage < FDT_LCD_TIMINGS) - timer_next += config.panel_timings[stage] * 1000; + timer_next += priv->panel_timings[stage] * 1000; /* move to next stage */ stage++; return 0; } -int tegra_lcd_check_next_stage(const void *blob, int wait) +/** + * Perform the next stage of the LCD init if it is time to do so. + * + * LCD init can be time-consuming because of the number of delays we need + * while waiting for the backlight power supply, etc. This function can + * be called at various times during U-Boot operation to advance the + * initialization of the LCD to the next stage if sufficient time has + * passed since the last stage. It keeps track of what stage it is up to + * and the time that it is permitted to move to the next stage. + * + * The final call should have wait=1 to complete the init. + * + * @param blob fdt blob containing LCD information + * @param wait 1 to wait until all init is complete, and then return + * 0 to return immediately, potentially doing nothing if it is + * not yet time for the next init. + */ +static int tegra_lcd_check_next_stage(const void *blob, + struct tegra_lcd_priv *priv, int wait) { if (stage == STAGE_DONE) return 0; @@ -683,7 +588,7 @@ int tegra_lcd_check_next_stage(const void *blob, int wait) } } - if (handle_stage(blob)) + if (handle_stage(blob, priv)) return -1; } while (wait && stage != STAGE_DONE); if (stage == STAGE_DONE) @@ -692,20 +597,74 @@ int tegra_lcd_check_next_stage(const void *blob, int wait) return 0; } -void lcd_enable(void) +static int tegra_lcd_probe(struct udevice *dev) { - /* - * Backlight and power init will be done separately in - * tegra_lcd_check_next_stage(), which should be called in - * board_late_init(). - * - * U-Boot code supports only colour depth, selected at compile time. - * The device tree setting should match this. Otherwise the display - * will not look right, and U-Boot may crash. - */ - if (disp_config->log2_bpp != LCD_BPP) { - printf("%s: Error: LCD depth configured in FDT (%d = %dbpp)" - " must match setting of LCD_BPP (%d)\n", __func__, - disp_config->log2_bpp, disp_config->bpp, LCD_BPP); + struct video_uc_platdata *plat = dev_get_uclass_platdata(dev); + struct video_priv *uc_priv = dev_get_uclass_priv(dev); + struct tegra_lcd_priv *priv = dev_get_priv(dev); + const void *blob = gd->fdt_blob; + int type = DCACHE_OFF; + + if (tegra_display_decode_config(blob, dev->of_offset, priv)) + return -1; + + /* get panel details */ + if (fdt_decode_lcd(blob, priv)) { + printf("No valid LCD information in device tree\n"); + return -1; + } + + /* Initialize the Tegra display controller */ + if (tegra_display_probe(blob, priv, (void *)plat->base)) { + printf("%s: Failed to probe display driver\n", __func__); + return -1; } + + tegra_lcd_check_next_stage(blob, priv, 1); + + /* Set up the LCD caching as requested */ + if (priv->cache_type & FDT_LCD_CACHE_WRITE_THROUGH) + type = DCACHE_WRITETHROUGH; + else if (priv->cache_type & FDT_LCD_CACHE_WRITE_BACK) + type = DCACHE_WRITEBACK; + mmu_set_region_dcache_behaviour(priv->frame_buffer, plat->size, type); + + /* Enable flushing after LCD writes if requested */ + video_set_flush_dcache(dev, priv->cache_type & FDT_LCD_CACHE_FLUSH); + + uc_priv->xsize = priv->width; + uc_priv->ysize = priv->height; + uc_priv->bpix = priv->log2_bpp; + debug("LCD frame buffer at %pa, size %x\n", &priv->frame_buffer, + plat->size); + + return 0; +} + +static int tegra_lcd_bind(struct udevice *dev) +{ + struct video_uc_platdata *plat = dev_get_uclass_platdata(dev); + + plat->size = LCD_MAX_WIDTH * LCD_MAX_HEIGHT * + (1 << LCD_MAX_LOG2_BPP) / 8; + + return 0; } + +static const struct video_ops tegra_lcd_ops = { +}; + +static const struct udevice_id tegra_lcd_ids[] = { + { .compatible = "nvidia,tegra20-dc" }, + { } +}; + +U_BOOT_DRIVER(tegra_lcd) = { + .name = "tegra_lcd", + .id = UCLASS_VIDEO, + .of_match = tegra_lcd_ids, + .ops = &tegra_lcd_ops, + .bind = tegra_lcd_bind, + .probe = tegra_lcd_probe, + .priv_auto_alloc_size = sizeof(struct tegra_lcd_priv), +}; diff --git a/include/configs/colibri_t20.h b/include/configs/colibri_t20.h index e1aab72..61d04b7 100644 --- a/include/configs/colibri_t20.h +++ b/include/configs/colibri_t20.h @@ -53,9 +53,7 @@ #define CONFIG_TFTP_TSIZE /* LCD support */ -#define CONFIG_LCD #define CONFIG_PWM_TEGRA -#define LCD_BPP LCD_COLOR16 #define CONFIG_SYS_WHITE_ON_BLACK #define CONFIG_CONSOLE_SCROLL_LINES 10 #define CONFIG_CMD_BMP diff --git a/include/configs/harmony.h b/include/configs/harmony.h index 89dae8f..a78f7c4 100644 --- a/include/configs/harmony.h +++ b/include/configs/harmony.h @@ -60,9 +60,7 @@ #define CONFIG_CMD_DHCP /* LCD support */ -#define CONFIG_LCD #define CONFIG_PWM_TEGRA -#define LCD_BPP LCD_COLOR16 #define CONFIG_SYS_WHITE_ON_BLACK #define CONFIG_CONSOLE_SCROLL_LINES 10 diff --git a/include/configs/medcom-wide.h b/include/configs/medcom-wide.h index 819cc18..c3e9128 100644 --- a/include/configs/medcom-wide.h +++ b/include/configs/medcom-wide.h @@ -48,9 +48,7 @@ #define CONFIG_CMD_DHCP /* LCD support */ -#define CONFIG_LCD #define CONFIG_PWM_TEGRA -#define LCD_BPP LCD_COLOR16 #define CONFIG_SYS_WHITE_ON_BLACK /* support the new (FDT-based) image format */ diff --git a/include/configs/paz00.h b/include/configs/paz00.h index fc59025..04ddb1b 100644 --- a/include/configs/paz00.h +++ b/include/configs/paz00.h @@ -48,9 +48,7 @@ #define CONFIG_CMD_DHCP /* LCD support */ -#define CONFIG_LCD #define CONFIG_PWM_TEGRA -#define LCD_BPP LCD_COLOR16 #define CONFIG_SYS_WHITE_ON_BLACK #define CONFIG_CONSOLE_SCROLL_LINES 10 diff --git a/include/configs/seaboard.h b/include/configs/seaboard.h index 87bf1b1..01650e4 100644 --- a/include/configs/seaboard.h +++ b/include/configs/seaboard.h @@ -66,9 +66,7 @@ #define CONFIG_USB_KEYBOARD /* LCD support */ -#define CONFIG_LCD #define CONFIG_PWM_TEGRA -#define LCD_BPP LCD_COLOR16 #define CONFIG_SYS_WHITE_ON_BLACK #define CONFIG_CONSOLE_SCROLL_LINES 10 diff --git a/include/configs/tec.h b/include/configs/tec.h index 453ecc6..9c2311b 100644 --- a/include/configs/tec.h +++ b/include/configs/tec.h @@ -48,9 +48,7 @@ #define CONFIG_CMD_DHCP /* LCD support */ -#define CONFIG_LCD #define CONFIG_PWM_TEGRA -#define LCD_BPP LCD_COLOR16 #define CONFIG_SYS_WHITE_ON_BLACK /* support the new (FDT-based) image format */ diff --git a/include/configs/ventana.h b/include/configs/ventana.h index be54f95..8d10dde 100644 --- a/include/configs/ventana.h +++ b/include/configs/ventana.h @@ -49,9 +49,7 @@ #define CONFIG_USB_KEYBOARD /* LCD support */ -#define CONFIG_LCD #define CONFIG_PWM_TEGRA -#define LCD_BPP LCD_COLOR16 #define CONFIG_SYS_WHITE_ON_BLACK #define CONFIG_CONSOLE_SCROLL_LINES 10 |