diff options
Diffstat (limited to 'packages/linux/linux-omap/0008-DSS-OMAPFB-fb-driver-for-new-display-subsystem.patch')
| -rw-r--r-- | packages/linux/linux-omap/0008-DSS-OMAPFB-fb-driver-for-new-display-subsystem.patch | 2821 |
1 files changed, 2821 insertions, 0 deletions
diff --git a/packages/linux/linux-omap/0008-DSS-OMAPFB-fb-driver-for-new-display-subsystem.patch b/packages/linux/linux-omap/0008-DSS-OMAPFB-fb-driver-for-new-display-subsystem.patch new file mode 100644 index 0000000000..76cc5c793e --- /dev/null +++ b/packages/linux/linux-omap/0008-DSS-OMAPFB-fb-driver-for-new-display-subsystem.patch @@ -0,0 +1,2821 @@ +From a993119097b63f30364ca17db4d039a401c44b4d Mon Sep 17 00:00:00 2001 +From: Tomi Valkeinen <tomi.valkeinen@nokia.com> +Date: Tue, 4 Nov 2008 15:12:21 +0200 +Subject: [PATCH] DSS: OMAPFB: fb driver for new display subsystem + +Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com> +--- + arch/arm/plat-omap/fb.c | 9 +- + arch/arm/plat-omap/include/mach/omapfb.h | 7 + + drivers/video/Kconfig | 1 + + drivers/video/Makefile | 1 + + drivers/video/omap/Kconfig | 5 +- + drivers/video/omap2/Kconfig | 29 + + drivers/video/omap2/Makefile | 2 + + drivers/video/omap2/omapfb-ioctl.c | 428 ++++++++++ + drivers/video/omap2/omapfb-main.c | 1247 ++++++++++++++++++++++++++++++ + drivers/video/omap2/omapfb-sysfs.c | 833 ++++++++++++++++++++ + drivers/video/omap2/omapfb.h | 104 +++ + 11 files changed, 2663 insertions(+), 3 deletions(-) + create mode 100644 drivers/video/omap2/Kconfig + create mode 100644 drivers/video/omap2/Makefile + create mode 100644 drivers/video/omap2/omapfb-ioctl.c + create mode 100644 drivers/video/omap2/omapfb-main.c + create mode 100644 drivers/video/omap2/omapfb-sysfs.c + create mode 100644 drivers/video/omap2/omapfb.h + +diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c +index 3746222..0ba1603 100644 +--- a/arch/arm/plat-omap/fb.c ++++ b/arch/arm/plat-omap/fb.c +@@ -36,7 +36,8 @@ + #include <mach/sram.h> + #include <mach/omapfb.h> + +-#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE) ++#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE) \ ++ || defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) + + static struct omapfb_platform_data omapfb_config; + static int config_invalid; +@@ -298,14 +299,18 @@ unsigned long omapfb_reserve_sram(unsigned long sram_pstart, + return reserved; + } + ++#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE) + void omapfb_set_ctrl_platform_data(void *data) + { + omapfb_config.ctrl_platform_data = data; + } ++#endif + + static inline int omap_init_fb(void) + { ++#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE) + const struct omap_lcd_config *conf; ++#endif + + if (config_invalid) + return 0; +@@ -313,6 +318,7 @@ static inline int omap_init_fb(void) + printk(KERN_ERR "Invalid FB mem configuration entries\n"); + return 0; + } ++#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE) + conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config); + if (conf == NULL) { + if (configured_regions) +@@ -321,6 +327,7 @@ static inline int omap_init_fb(void) + return 0; + } + omapfb_config.lcd = *conf; ++#endif + + return platform_device_register(&omap_fb_device); + } +diff --git a/arch/arm/plat-omap/include/mach/omapfb.h b/arch/arm/plat-omap/include/mach/omapfb.h +index a3c4408..e69c0b1 100644 +--- a/arch/arm/plat-omap/include/mach/omapfb.h ++++ b/arch/arm/plat-omap/include/mach/omapfb.h +@@ -90,6 +90,13 @@ enum omapfb_color_format { + OMAPFB_COLOR_CLUT_1BPP, + OMAPFB_COLOR_RGB444, + OMAPFB_COLOR_YUY422, ++ ++ OMAPFB_COLOR_ARGB16, ++ OMAPFB_COLOR_RGB24U, /* RGB24, 32-bit container */ ++ OMAPFB_COLOR_RGB24P, /* RGB24, 24-bit container */ ++ OMAPFB_COLOR_ARGB32, ++ OMAPFB_COLOR_RGBA32, ++ OMAPFB_COLOR_RGBX32, + }; + + struct omapfb_update_window { +diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig +index 0f13448..4b45731 100644 +--- a/drivers/video/Kconfig ++++ b/drivers/video/Kconfig +@@ -2084,6 +2084,7 @@ config FB_METRONOME + and could also have been called by some vendors as PVI-nnnn. + + source "drivers/video/omap/Kconfig" ++source "drivers/video/omap2/Kconfig" + + source "drivers/video/backlight/Kconfig" + source "drivers/video/display/Kconfig" +diff --git a/drivers/video/Makefile b/drivers/video/Makefile +index 248bddc..4d69355 100644 +--- a/drivers/video/Makefile ++++ b/drivers/video/Makefile +@@ -120,6 +120,7 @@ obj-$(CONFIG_FB_SM501) += sm501fb.o + obj-$(CONFIG_FB_XILINX) += xilinxfb.o + obj-$(CONFIG_FB_SH_MOBILE_LCDC) += sh_mobile_lcdcfb.o + obj-$(CONFIG_FB_OMAP) += omap/ ++obj-$(CONFIG_OMAP2_DSS) += omap2/ + obj-$(CONFIG_XEN_FBDEV_FRONTEND) += xen-fbfront.o + obj-$(CONFIG_FB_CARMINE) += carminefb.o + +diff --git a/drivers/video/omap/Kconfig b/drivers/video/omap/Kconfig +index 5ebd591..8b6c675 100644 +--- a/drivers/video/omap/Kconfig ++++ b/drivers/video/omap/Kconfig +@@ -1,6 +1,7 @@ + config FB_OMAP + tristate "OMAP frame buffer support (EXPERIMENTAL)" +- depends on FB && ARCH_OMAP ++ depends on FB && ARCH_OMAP && (OMAP2_DSS = "n") ++ + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT +@@ -76,7 +77,7 @@ config FB_OMAP_BOOTLOADER_INIT + + config FB_OMAP_CONSISTENT_DMA_SIZE + int "Consistent DMA memory size (MB)" +- depends on FB_OMAP ++ depends on FB && ARCH_OMAP + range 1 14 + default 2 + help +diff --git a/drivers/video/omap2/Kconfig b/drivers/video/omap2/Kconfig +new file mode 100644 +index 0000000..4b72479 +--- /dev/null ++++ b/drivers/video/omap2/Kconfig +@@ -0,0 +1,29 @@ ++config FB_OMAP2 ++ tristate "OMAP2/3 frame buffer support (EXPERIMENTAL)" ++ depends on FB && OMAP2_DSS ++ ++ select FB_CFB_FILLRECT ++ select FB_CFB_COPYAREA ++ select FB_CFB_IMAGEBLIT ++ help ++ Frame buffer driver for OMAP2/3 based boards. ++ ++config FB_OMAP2_DEBUG ++ bool "Debug output for OMAP2/3 FB" ++ depends on FB_OMAP2 ++ ++config FB_OMAP2_FORCE_AUTO_UPDATE ++ bool "Force main display to automatic update mode" ++ depends on FB_OMAP2 ++ help ++ Forces main display to automatic update mode (if possible), ++ and also enables tearsync (if possible). By default ++ displays that support manual update are started in manual ++ update mode. ++ ++menu "OMAP2/3 Display Device Drivers" ++ depends on OMAP2_DSS ++ ++ ++endmenu ++ +diff --git a/drivers/video/omap2/Makefile b/drivers/video/omap2/Makefile +new file mode 100644 +index 0000000..51c2e00 +--- /dev/null ++++ b/drivers/video/omap2/Makefile +@@ -0,0 +1,2 @@ ++obj-$(CONFIG_FB_OMAP2) += omapfb.o ++omapfb-y := omapfb-main.o omapfb-sysfs.o omapfb-ioctl.o +diff --git a/drivers/video/omap2/omapfb-ioctl.c b/drivers/video/omap2/omapfb-ioctl.c +new file mode 100644 +index 0000000..1ceb6b9 +--- /dev/null ++++ b/drivers/video/omap2/omapfb-ioctl.c +@@ -0,0 +1,428 @@ ++/* ++ * linux/drivers/video/omap2/omapfb-ioctl.c ++ * ++ * Copyright (C) 2008 Nokia Corporation ++ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> ++ * ++ * Some code and ideas taken from drivers/video/omap/ driver ++ * by Imre Deak. ++ * ++ * 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. ++ * ++ * 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, see <http://www.gnu.org/licenses/>. ++ */ ++ ++#include <linux/fb.h> ++#include <linux/device.h> ++#include <linux/uaccess.h> ++#include <linux/platform_device.h> ++ ++#include <mach/display.h> ++#include <mach/omapfb.h> ++ ++#include "omapfb.h" ++ ++static int omapfb_setup_plane(struct fb_info *fbi, struct omapfb_plane_info *pi) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ struct omap_display *display = fb2display(fbi); ++ struct omap_overlay *ovl; ++ int r = 0; ++ ++ DBG("omapfb_setup_plane\n"); ++ ++ if (ofbi->num_overlays != 1) { ++ r = -EINVAL; ++ goto out; ++ } ++ ++ ovl = ofbi->overlays[0]; ++ ++ omapfb_lock(fbdev); ++ ++ if (display) { ++ if (pi->pos_x + pi->out_width > display->x_res || ++ pi->pos_y + pi->out_height > display->y_res) { ++ r = -EINVAL; ++ goto out; ++ } ++ } ++ ++ if (pi->enabled && !ofbi->region.size) { ++ /* ++ * This plane's memory was freed, can't enable it ++ * until it's reallocated. ++ */ ++ r = -EINVAL; ++ goto out; ++ } ++ ++ if (!ovl) { ++ r = -EINVAL; ++ goto out; ++ } ++ ++ r = omapfb_setup_overlay(fbi, ovl, pi->pos_x, pi->pos_y, ++ pi->out_width, pi->out_height); ++ if (r) ++ goto out; ++ ++ ovl->enable(ovl, pi->enabled); ++ ++ if (ovl->manager) ++ ovl->manager->apply(ovl->manager); ++ ++ if (display) { ++ if (display->sync) ++ display->sync(display); ++ ++ if (display->update) ++ display->update(display, 0, 0, ++ display->x_res, display->y_res); ++ } ++ ++out: ++ omapfb_unlock(fbdev); ++ if (r) ++ dev_err(fbdev->dev, "setup_plane failed\n"); ++ return r; ++} ++ ++static int omapfb_query_plane(struct fb_info *fbi, struct omapfb_plane_info *pi) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ ++ omapfb_lock(fbdev); ++ ++ if (ofbi->num_overlays != 1) { ++ memset(pi, 0, sizeof(*pi)); ++ } else { ++ struct omap_overlay_info *ovli; ++ struct omap_overlay *ovl; ++ ++ ovl = ofbi->overlays[0]; ++ ovli = &ovl->info; ++ ++ pi->pos_x = ovli->pos_x; ++ pi->pos_y = ovli->pos_y; ++ pi->enabled = ovli->enabled; ++ pi->channel_out = 0; /* xxx */ ++ pi->mirror = 0; ++ pi->out_width = ovli->out_width; ++ pi->out_height = ovli->out_height; ++ } ++ ++ omapfb_unlock(fbdev); ++ ++ return 0; ++} ++ ++static int omapfb_setup_mem(struct fb_info *fbi, struct omapfb_mem_info *mi) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ struct omapfb_mem_region *rg; ++ int ret = -EINVAL; ++ ++ rg = &ofbi->region; ++ ++ omapfb_lock(fbdev); ++ if (mi->size > rg->size) { ++ ret = -ENOMEM; ++ goto out; ++ } ++ ++ if (mi->type != rg->type) ++ goto out; ++ ++ ret = 0; ++out: ++ omapfb_unlock(fbdev); ++ ++ return ret; ++} ++ ++static int omapfb_query_mem(struct fb_info *fbi, struct omapfb_mem_info *mi) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ struct omapfb_mem_region *rg; ++ ++ rg = &ofbi->region; ++ memset(mi, 0, sizeof(*mi)); ++ ++ omapfb_lock(fbdev); ++ mi->size = rg->size; ++ mi->type = rg->type; ++ omapfb_unlock(fbdev); ++ ++ return 0; ++} ++ ++static int omapfb_update_window(struct fb_info *fbi, ++ u32 x, u32 y, u32 w, u32 h) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ struct omap_display *display = fb2display(fbi); ++ ++ if (!display) ++ return 0; ++ ++ if (w == 0 || h == 0) ++ return 0; ++ ++ if (x + w > display->x_res || y + h > display->y_res) ++ return -EINVAL; ++ ++ omapfb_lock(fbdev); ++ display->update(display, x, y, w, h); ++ omapfb_unlock(fbdev); ++ ++ return 0; ++} ++ ++static int omapfb_set_update_mode(struct fb_info *fbi, ++ enum omapfb_update_mode mode) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ struct omap_display *display = fb2display(fbi); ++ enum omap_dss_update_mode um; ++ int r; ++ ++ if (!display || !display->set_update_mode) ++ return -EINVAL; ++ ++ switch (mode) { ++ case OMAPFB_UPDATE_DISABLED: ++ um = OMAP_DSS_UPDATE_DISABLED; ++ break; ++ ++ case OMAPFB_AUTO_UPDATE: ++ um = OMAP_DSS_UPDATE_AUTO; ++ break; ++ ++ case OMAPFB_MANUAL_UPDATE: ++ um = OMAP_DSS_UPDATE_MANUAL; ++ break; ++ ++ default: ++ return -EINVAL; ++ } ++ ++ omapfb_lock(fbdev); ++ r = display->set_update_mode(display, um); ++ omapfb_unlock(fbdev); ++ ++ return r; ++} ++ ++static int omapfb_get_update_mode(struct fb_info *fbi, ++ enum omapfb_update_mode *mode) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ struct omap_display *display = fb2display(fbi); ++ enum omap_dss_update_mode m; ++ ++ if (!display || !display->get_update_mode) ++ return -EINVAL; ++ ++ omapfb_lock(fbdev); ++ m = display->get_update_mode(display); ++ omapfb_unlock(fbdev); ++ ++ switch (m) { ++ case OMAP_DSS_UPDATE_DISABLED: ++ *mode = OMAPFB_UPDATE_DISABLED; ++ break; ++ case OMAP_DSS_UPDATE_AUTO: ++ *mode = OMAPFB_AUTO_UPDATE; ++ break; ++ case OMAP_DSS_UPDATE_MANUAL: ++ *mode = OMAPFB_MANUAL_UPDATE; ++ break; ++ default: ++ BUG(); ++ } ++ ++ return 0; ++} ++ ++int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ struct omap_display *display = fb2display(fbi); ++ ++ union { ++ struct omapfb_update_window_old uwnd_o; ++ struct omapfb_update_window uwnd; ++ struct omapfb_plane_info plane_info; ++ struct omapfb_caps caps; ++ struct omapfb_mem_info mem_info; ++ enum omapfb_update_mode update_mode; ++ int test_num; ++ } p; ++ ++ int r = 0; ++ ++ DBG("ioctl %x (%d)\n", cmd, cmd & 0xff); ++ ++ switch (cmd) { ++ case OMAPFB_SYNC_GFX: ++ if (!display || !display->sync) { ++ r = -EINVAL; ++ break; ++ } ++ ++ omapfb_lock(fbdev); ++ r = display->sync(display); ++ omapfb_unlock(fbdev); ++ break; ++ ++ case OMAPFB_UPDATE_WINDOW_OLD: ++ if (!display || !display->update) { ++ r = -EINVAL; ++ break; ++ } ++ ++ if (copy_from_user(&p.uwnd_o, ++ (void __user *)arg, ++ sizeof(p.uwnd_o))) { ++ r = -EFAULT; ++ break; ++ } ++ ++ r = omapfb_update_window(fbi, p.uwnd_o.x, p.uwnd_o.y, ++ p.uwnd_o.width, p.uwnd_o.height); ++ break; ++ ++ case OMAPFB_UPDATE_WINDOW: ++ if (!display || !display->update) { ++ r = -EINVAL; ++ break; ++ } ++ ++ if (copy_from_user(&p.uwnd, (void __user *)arg, ++ sizeof(p.uwnd))) { ++ r = -EFAULT; ++ break; ++ } ++ ++ r = omapfb_update_window(fbi, p.uwnd.x, p.uwnd.y, ++ p.uwnd.width, p.uwnd.height); ++ break; ++ ++ case OMAPFB_SETUP_PLANE: ++ if (copy_from_user(&p.plane_info, (void __user *)arg, ++ sizeof(p.plane_info))) ++ r = -EFAULT; ++ else ++ r = omapfb_setup_plane(fbi, &p.plane_info); ++ break; ++ ++ case OMAPFB_QUERY_PLANE: ++ r = omapfb_query_plane(fbi, &p.plane_info); ++ if (r < 0) ++ break; ++ if (copy_to_user((void __user *)arg, &p.plane_info, ++ sizeof(p.plane_info))) ++ r = -EFAULT; ++ break; ++ ++ case OMAPFB_SETUP_MEM: ++ if (copy_from_user(&p.mem_info, (void __user *)arg, ++ sizeof(p.mem_info))) ++ r = -EFAULT; ++ else ++ r = omapfb_setup_mem(fbi, &p.mem_info); ++ break; ++ ++ case OMAPFB_QUERY_MEM: ++ r = omapfb_query_mem(fbi, &p.mem_info); ++ if (r < 0) ++ break; ++ if (copy_to_user((void __user *)arg, &p.mem_info, ++ sizeof(p.mem_info))) ++ r = -EFAULT; ++ break; ++ ++ case OMAPFB_GET_CAPS: ++ if (!display) { ++ r = -EINVAL; ++ break; ++ } ++ ++ p.caps.ctrl = display->caps; ++ ++ if (copy_to_user((void __user *)arg, &p.caps, sizeof(p.caps))) ++ r = -EFAULT; ++ break; ++ ++ case OMAPFB_SET_UPDATE_MODE: ++ if (get_user(p.update_mode, (int __user *)arg)) ++ r = -EFAULT; ++ else ++ r = omapfb_set_update_mode(fbi, p.update_mode); ++ break; ++ ++ case OMAPFB_GET_UPDATE_MODE: ++ r = omapfb_get_update_mode(fbi, &p.update_mode); ++ if (r) ++ break; ++ if (put_user(p.update_mode, ++ (enum omapfb_update_mode __user *)arg)) ++ r = -EFAULT; ++ break; ++ ++ /* LCD and CTRL tests do the same thing for backward ++ * compatibility */ ++ case OMAPFB_LCD_TEST: ++ if (get_user(p.test_num, (int __user *)arg)) { ++ r = -EFAULT; ++ break; ++ } ++ if (!display || !display->run_test) { ++ r = -EINVAL; ++ break; ++ } ++ ++ r = display->run_test(display, p.test_num); ++ ++ break; ++ ++ case OMAPFB_CTRL_TEST: ++ if (get_user(p.test_num, (int __user *)arg)) { ++ r = -EFAULT; ++ break; ++ } ++ if (!display || !display->run_test) { ++ r = -EINVAL; ++ break; ++ } ++ ++ r = display->run_test(display, p.test_num); ++ ++ break; ++ ++ default: ++ DBG("ioctl unhandled\n"); ++ r = -EINVAL; ++ } ++ ++ return r; ++} ++ ++ +diff --git a/drivers/video/omap2/omapfb-main.c b/drivers/video/omap2/omapfb-main.c +new file mode 100644 +index 0000000..7ef7080 +--- /dev/null ++++ b/drivers/video/omap2/omapfb-main.c +@@ -0,0 +1,1247 @@ ++/* ++ * linux/drivers/video/omap2/omapfb-main.c ++ * ++ * Copyright (C) 2008 Nokia Corporation ++ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> ++ * ++ * Some code and ideas taken from drivers/video/omap/ driver ++ * by Imre Deak. ++ * ++ * 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. ++ * ++ * 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, see <http://www.gnu.org/licenses/>. ++ */ ++ ++#include <linux/module.h> ++#include <linux/delay.h> ++#include <linux/fb.h> ++#include <linux/dma-mapping.h> ++#include <linux/vmalloc.h> ++#include <linux/device.h> ++#include <linux/platform_device.h> ++ ++#include <mach/display.h> ++#include <mach/omapfb.h> ++ ++#include "omapfb.h" ++ ++#define MODULE_NAME "omapfb" ++ ++#ifdef DEBUG ++static void fill_fb(void *addr, struct fb_info *fbi) ++{ ++ struct fb_var_screeninfo *var = &fbi->var; ++ ++ const short w = var->xres_virtual; ++ const short h = var->yres_virtual; ++ ++ int y, x; ++ u8 *p = addr; ++ ++ for (y = 0; y < h; y++) { ++ for (x = 0; x < w; x++) { ++ if (var->bits_per_pixel == 16) { ++ u16 *pw = (u16 *)p; ++ ++ if (x == 20 || x == w - 20 || ++ y == 20 || y == h - 20) ++ *pw = 0xffff; ++ else if (x == y || w - x == h - y) ++ *pw = ((1<<5)-1)<<11; ++ else if (w - x == y || x == h - y) ++ *pw = ((1<<6)-1)<<5; ++ else { ++ int t = x / (w/3); ++ if (t == 0) ++ *pw = y % 32; ++ else if (t == 1) ++ *pw = (y % 64) << 5; ++ else if (t == 2) ++ *pw = (y % 32) << 11; ++ } ++ } else if (var->bits_per_pixel == 24) { ++ u8 *pb = (u8 *)p; ++ ++ int r = 0, g = 0, b = 0; ++ ++ if (x == 20 || x == w - 20 || ++ y == 20 || y == h - 20) ++ r = g = b = 0xff; ++ else if (x == y || w - x == h - y) ++ r = 0xff; ++ else if (w - x == y || x == h - y) ++ g = 0xff; ++ else { ++ int q = x / (w / 3); ++ u8 base = 255 - (y % 256); ++ if (q == 0) ++ r = base; ++ else if (q == 1) ++ g = base; ++ else if (q == 2) ++ b = base; ++ } ++ ++ pb[0] = b; ++ pb[1] = g; ++ pb[2] = r; ++ ++ } else if (var->bits_per_pixel == 32) { ++ u32 *pd = (u32 *)p; ++ ++ if (x == 20 || x == w - 20 || ++ y == 20 || y == h - 20) ++ *pd = 0xffffff; ++ else if (x == y || w - x == h - y) ++ *pd = 0xff0000; ++ else if (w - x == y || x == h - y) ++ *pd = 0x00ff00; ++ else { ++ u8 base = 255 - (y % 256); ++ *pd = base << ((x / (w/3)) << 3); ++ } ++ } ++ ++ p += var->bits_per_pixel >> 3; ++ } ++ } ++} ++#endif ++ ++static enum omap_color_mode fb_mode_to_dss_mode(struct fb_var_screeninfo *var) ++{ ++ switch (var->nonstd) { ++ case 0: ++ break; ++ case OMAPFB_COLOR_YUV422: ++ return OMAP_DSS_COLOR_YUV2; ++ ++ case OMAPFB_COLOR_YUY422: ++ return OMAP_DSS_COLOR_UYVY; ++ ++ case OMAPFB_COLOR_ARGB16: ++ return OMAP_DSS_COLOR_ARGB16; ++ ++ case OMAPFB_COLOR_ARGB32: ++ return OMAP_DSS_COLOR_ARGB32; ++ ++ case OMAPFB_COLOR_RGBA32: ++ return OMAP_DSS_COLOR_RGBA32; ++ ++ case OMAPFB_COLOR_RGBX32: ++ return OMAP_DSS_COLOR_RGBX32; ++ ++ default: ++ return -EINVAL; ++ } ++ ++ switch (var->bits_per_pixel) { ++ case 1: ++ return OMAP_DSS_COLOR_CLUT1; ++ case 2: ++ return OMAP_DSS_COLOR_CLUT2; ++ case 4: ++ return OMAP_DSS_COLOR_CLUT4; ++ case 8: ++ return OMAP_DSS_COLOR_CLUT8; ++ case 12: ++ return OMAP_DSS_COLOR_RGB12U; ++ case 16: ++ return OMAP_DSS_COLOR_RGB16; ++ case 24: ++ return OMAP_DSS_COLOR_RGB24P; ++ case 32: ++ return OMAP_DSS_COLOR_RGB24U; ++ default: ++ return -EINVAL; ++ } ++ ++ return -EINVAL; ++} ++ ++static void set_fb_fix(struct fb_info *fbi) ++{ ++ struct fb_fix_screeninfo *fix = &fbi->fix; ++ struct fb_var_screeninfo *var = &fbi->var; ++ struct omapfb_mem_region *rg = &FB2OFB(fbi)->region; ++ ++ DBG("set_fb_fix\n"); ++ ++ /* used by open/write in fbmem.c */ ++ fbi->screen_base = (char __iomem *)rg->vaddr; ++ ++ /* used by mmap in fbmem.c */ ++ fix->smem_start = rg->paddr; ++ fix->smem_len = rg->size; ++ ++ fix->type = FB_TYPE_PACKED_PIXELS; ++ ++ if (var->nonstd) ++ fix->visual = FB_VISUAL_PSEUDOCOLOR; ++ else { ++ switch (var->bits_per_pixel) { ++ case 32: ++ case 24: ++ case 16: ++ case 12: ++ fix->visual = FB_VISUAL_TRUECOLOR; ++ /* 12bpp is stored in 16 bits */ ++ break; ++ case 1: ++ case 2: ++ case 4: ++ case 8: ++ fix->visual = FB_VISUAL_PSEUDOCOLOR; ++ break; ++ } ++ } ++ ++ fix->accel = FB_ACCEL_NONE; ++ fix->line_length = (var->xres_virtual * var->bits_per_pixel) >> 3; ++} ++ ++/* check new var and possibly modify it to be ok */ ++static int check_fb_var(struct fb_info *fbi, struct fb_var_screeninfo *var) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omap_display *display = fb2display(fbi); ++ unsigned long max_frame_size; ++ unsigned long line_size; ++ int xres_min, xres_max; ++ int yres_min, yres_max; ++ enum omap_color_mode mode = 0; ++ struct omap_overlay *ovl; ++ ++ DBG("check_fb_var %d\n", ofbi->id); ++ ++ if (ofbi->num_overlays == 0) { ++ dev_err(ofbi->fbdev->dev, "no overlays, aborting\n"); ++ return -EINVAL; ++ } ++ ++ /* XXX: uses the first overlay */ ++ ovl = ofbi->overlays[0]; ++ ++ /* if we are using non standard mode, fix the bpp first */ ++ switch (var->nonstd) { ++ case 0: ++ break; ++ case OMAPFB_COLOR_YUV422: ++ case OMAPFB_COLOR_YUY422: ++ case OMAPFB_COLOR_ARGB16: ++ var->bits_per_pixel = 16; ++ break; ++ case OMAPFB_COLOR_ARGB32: ++ case OMAPFB_COLOR_RGBA32: ++ case OMAPFB_COLOR_RGBX32: ++ var->bits_per_pixel = 32; ++ break; ++ default: ++ DBG("invalid nonstd mode\n"); ++ return -EINVAL; ++ } ++ ++ mode = fb_mode_to_dss_mode(var); ++ if (mode < 0) { ++ DBG("cannot convert var to omap dss mode\n"); ++ return -EINVAL; ++ } ++ ++ if ((ovl->supported_modes & mode) == 0) { ++ DBG("invalid mode\n"); ++ return -EINVAL; ++ } ++ ++ xres_min = OMAPFB_PLANE_XRES_MIN; ++ xres_max = (display ? display->x_res : 2048) - ovl->info.pos_x; ++ yres_min = OMAPFB_PLANE_YRES_MIN; ++ yres_max = (display ? display->y_res : 2048) - ovl->info.pos_y; ++ ++ if (var->xres < xres_min) ++ var->xres = xres_min; ++ if (var->yres < yres_min) ++ var->yres = yres_min; ++ if (var->xres_virtual < var->xres) ++ var->xres_virtual = var->xres; ++ if (var->yres_virtual < var->yres) ++ var->yres_virtual = var->yres; ++ max_frame_size = ofbi->region.size; ++ line_size = (var->xres_virtual * var->bits_per_pixel) >> 3; ++ ++ if (line_size * var->yres_virtual > max_frame_size) { ++ /* Try to keep yres_virtual first */ ++ line_size = max_frame_size / var->yres_virtual; ++ var->xres_virtual = line_size * 8 / var->bits_per_pixel; ++ if (var->xres_virtual < var->xres) { ++ /* Still doesn't fit. Shrink yres_virtual too */ ++ var->xres_virtual = var->xres; ++ line_size = var->xres * var->bits_per_pixel / 8; ++ var->yres_virtual = max_frame_size / line_size; ++ } ++ /* Recheck this, as the virtual size changed. */ ++ if (var->xres_virtual < var->xres) ++ var->xres = var->xres_virtual; ++ if (var->yres_virtual < var->yres) ++ var->yres = var->yres_virtual; ++ if (var->xres < xres_min || var->yres < yres_min) { ++ DBG("Cannot fit FB to memory\n"); ++ return -EINVAL; ++ } ++ } ++ if (var->xres + var->xoffset > var->xres_virtual) ++ var->xoffset = var->xres_virtual - var->xres; ++ if (var->yres + var->yoffset > var->yres_virtual) ++ var->yoffset = var->yres_virtual - var->yres; ++ ++ if (var->bits_per_pixel == 16) { ++ var->red.offset = 11; var->red.length = 5; ++ var->red.msb_right = 0; ++ var->green.offset = 5; var->green.length = 6; ++ var->green.msb_right = 0; ++ var->blue.offset = 0; var->blue.length = 5; ++ var->blue.msb_right = 0; ++ } else if (var->bits_per_pixel == 24) { ++ var->red.offset = 16; var->red.length = 8; ++ var->red.msb_right = 0; ++ var->green.offset = 8; var->green.length = 8; ++ var->green.msb_right = 0; ++ var->blue.offset = 0; var->blue.length = 8; ++ var->blue.msb_right = 0; ++ var->transp.offset = 0; var->transp.length = 0; ++ } else if (var->bits_per_pixel == 32) { ++ var->red.offset = 16; var->red.length = 8; ++ var->red.msb_right = 0; ++ var->green.offset = 8; var->green.length = 8; ++ var->green.msb_right = 0; ++ var->blue.offset = 0; var->blue.length = 8; ++ var->blue.msb_right = 0; ++ var->transp.offset = 0; var->transp.length = 0; ++ } else { ++ DBG("failed to setup fb color mask\n"); ++ return -EINVAL; ++ } ++ ++ DBG("xres = %d, yres = %d, vxres = %d, vyres = %d\n", ++ var->xres, var->yres, ++ var->xres_virtual, var->yres_virtual); ++ ++ var->height = -1; ++ var->width = -1; ++ var->grayscale = 0; ++ ++ if (display && display->check_timings) { ++ struct omap_video_timings timings; ++ timings.pixel_clock = PICOS2KHZ(var->pixclock); ++ timings.hfp = var->left_margin; ++ timings.hbp = var->right_margin; ++ timings.vfp = var->upper_margin; ++ timings.vbp = var->lower_margin; ++ timings.hsw = var->hsync_len; ++ timings.vsw = var->vsync_len; ++ ++ if (display->check_timings(display, &timings)) { ++ DBG("illegal video timings\n"); ++ return -EINVAL; ++ } ++ ++ /* pixclock in ps, the rest in pixclock */ ++ var->pixclock = KHZ2PICOS(timings.pixel_clock); ++ var->left_margin = timings.hfp; ++ var->right_margin = timings.hbp; ++ var->upper_margin = timings.vfp; ++ var->lower_margin = timings.vbp; ++ var->hsync_len = timings.hsw; ++ var->vsync_len = timings.vsw; ++ } ++ ++ /* TODO: get these from panel->config */ ++ var->vmode = FB_VMODE_NONINTERLACED; ++ var->sync = 0; ++ ++ return 0; ++} ++ ++/* ++ * --------------------------------------------------------------------------- ++ * fbdev framework callbacks ++ * --------------------------------------------------------------------------- ++ */ ++static int omapfb_open(struct fb_info *fbi, int user) ++{ ++ return 0; ++} ++ ++static int omapfb_release(struct fb_info *fbi, int user) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ struct omap_display *display = fb2display(fbi); ++ ++ DBG("Closing fb with plane index %d\n", ofbi->id); ++ ++ omapfb_lock(fbdev); ++#if 1 ++ if (display) { ++ /* XXX Is this really needed ? */ ++ if (display->sync) ++ display->sync(display); ++ ++ if (display->update) ++ display->update(display, ++ 0, 0, ++ display->x_res, display->y_res); ++ } ++#endif ++ ++ if (display && display->sync) ++ display->sync(display); ++ ++ omapfb_unlock(fbdev); ++ ++ return 0; ++} ++ ++/* setup overlay according to the fb */ ++int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl, ++ int posx, int posy, int outw, int outh) ++{ ++ int r = 0; ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct fb_var_screeninfo *var = &fbi->var; ++ enum omap_color_mode mode = 0; ++ int offset; ++ u32 data_start_p; ++ void *data_start_v; ++ ++ DBG("setup_overlay %d\n", ofbi->id); ++ ++ if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0 && ++ (outw != var->xres || outh != var->yres)) { ++ r = -EINVAL; ++ goto err; ++ } ++ ++ offset = ((var->yoffset * var->xres_virtual + ++ var->xoffset) * var->bits_per_pixel) >> 3; ++ ++ data_start_p = ofbi->region.paddr + offset; ++ data_start_v = ofbi->region.vaddr + offset; ++ ++ mode = fb_mode_to_dss_mode(var); ++ ++ if (mode == -EINVAL) { ++ r = -EINVAL; ++ goto err; ++ } ++ ++ r = ovl->setup_input(ovl, ++ data_start_p, data_start_v, ++ var->xres_virtual, ++ var->xres, var->yres, ++ mode); ++ ++ if (r) ++ goto err; ++ ++ r = ovl->setup_output(ovl, ++ posx, posy, ++ outw, outh); ++ ++ if (r) ++ goto err; ++ ++ return 0; ++ ++err: ++ DBG("setup_overlay failed\n"); ++ return r; ++} ++ ++/* apply var to the overlay */ ++int omapfb_apply_changes(struct fb_info *fbi, int init) ++{ ++ int r = 0; ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct fb_var_screeninfo *var = &fbi->var; ++ /*struct omap_display *display = fb2display(fbi);*/ ++ struct omap_overlay *ovl; ++ int posx, posy; ++ int outw, outh; ++ int i; ++ ++ for (i = 0; i < ofbi->num_overlays; i++) { ++ ovl = ofbi->overlays[i]; ++ ++ DBG("apply_changes, fb %d, ovl %d\n", ofbi->id, ovl->id); ++ ++ if (init || (ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) { ++ outw = var->xres; ++ outh = var->yres; ++ } else { ++ outw = ovl->info.out_width; ++ outh = ovl->info.out_height; ++ } ++ ++ if (init) { ++ posx = 0; ++ posy = 0; ++ } else { ++ posx = ovl->info.pos_x; ++ posy = ovl->info.pos_y; ++ } ++ ++ r = omapfb_setup_overlay(fbi, ovl, posx, posy, outw, outh); ++ if (r) ++ goto err; ++ ++ /* disabled for now. if the display has changed, var ++ * still contains the old timings. */ ++#if 0 ++ if (display && display->set_timings) { ++ struct omap_video_timings timings; ++ timings.pixel_clock = PICOS2KHZ(var->pixclock); ++ timings.hfp = var->left_margin; ++ timings.hbp = var->right_margin; ++ timings.vfp = var->upper_margin; ++ timings.vbp = var->lower_margin; ++ timings.hsw = var->hsync_len; ++ timings.vsw = var->vsync_len; ++ ++ display->set_timings(display, &timings); ++ } ++#endif ++ if (!init && ovl->manager) ++ ovl->manager->apply(ovl->manager); ++ } ++ return 0; ++err: ++ DBG("apply_changes failed\n"); ++ return r; ++} ++ ++/* checks var and eventually tweaks it to something supported, ++ * DO NOT MODIFY PAR */ ++static int omapfb_check_var(struct fb_var_screeninfo *var, struct fb_info *fbi) ++{ ++ int r; ++ ++ DBG("check_var(%d)\n", FB2OFB(fbi)->id); ++ ++ r = check_fb_var(fbi, var); ++ ++ return r; ++} ++ ++/* set the video mode according to info->var */ ++static int omapfb_set_par(struct fb_info *fbi) ++{ ++ int r; ++ ++ DBG("set_par(%d)\n", FB2OFB(fbi)->id); ++ ++ set_fb_fix(fbi); ++ r = omapfb_apply_changes(fbi, 0); ++ ++ return r; ++} ++ ++static void omapfb_rotate(struct fb_info *fbi, int rotate) ++{ ++ DBG("rotate(%d)\n", FB2OFB(fbi)->id); ++ return; ++} ++ ++static int omapfb_pan_display(struct fb_var_screeninfo *var, ++ struct fb_info *fbi) ++{ ++ DBG("pan_display(%d)\n", FB2OFB(fbi)->id); ++ return 0; ++} ++ ++static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ struct omapfb_mem_region *rg = &ofbi->region; ++ ++ return dma_mmap_writecombine(fbdev->dev, vma, ++ rg->vaddr, ++ rg->paddr, ++ rg->size); ++} ++ ++/* Store a single color palette entry into a pseudo palette or the hardware ++ * palette if one is available. For now we support only 16bpp and thus store ++ * the entry only to the pseudo palette. ++ */ ++static int _setcolreg(struct fb_info *fbi, u_int regno, u_int red, u_int green, ++ u_int blue, u_int transp, int update_hw_pal) ++{ ++ /*struct omapfb_info *ofbi = FB2OFB(fbi);*/ ++ /*struct omapfb2_device *fbdev = ofbi->fbdev;*/ ++ struct fb_var_screeninfo *var = &fbi->var; ++ int r = 0; ++ ++ enum omapfb_color_format mode = OMAPFB_COLOR_RGB24U; /* XXX */ ++ ++ /*switch (plane->color_mode) {*/ ++ switch (mode) { ++ case OMAPFB_COLOR_YUV422: ++ case OMAPFB_COLOR_YUV420: ++ case OMAPFB_COLOR_YUY422: ++ r = -EINVAL; ++ break; ++ case OMAPFB_COLOR_CLUT_8BPP: ++ case OMAPFB_COLOR_CLUT_4BPP: ++ case OMAPFB_COLOR_CLUT_2BPP: ++ case OMAPFB_COLOR_CLUT_1BPP: ++ /* ++ if (fbdev->ctrl->setcolreg) ++ r = fbdev->ctrl->setcolreg(regno, red, green, blue, ++ transp, update_hw_pal); ++ */ ++ /* Fallthrough */ ++ r = -EINVAL; ++ break; ++ case OMAPFB_COLOR_RGB565: ++ case OMAPFB_COLOR_RGB444: ++ case OMAPFB_COLOR_RGB24P: ++ case OMAPFB_COLOR_RGB24U: ++ if (r != 0) ++ break; ++ ++ if (regno < 0) { ++ r = -EINVAL; ++ break; ++ } ++ ++ if (regno < 16) { ++ u16 pal; ++ pal = ((red >> (16 - var->red.length)) << ++ var->red.offset) | ++ ((green >> (16 - var->green.length)) << ++ var->green.offset) | ++ (blue >> (16 - var->blue.length)); ++ ((u32 *)(fbi->pseudo_palette))[regno] = pal; ++ } ++ break; ++ default: ++ BUG(); ++ } ++ return r; ++} ++ ++static int omapfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, ++ u_int transp, struct fb_info *info) ++{ ++ DBG("setcolreg\n"); ++ ++ return _setcolreg(info, regno, red, green, blue, transp, 1); ++} ++ ++static int omapfb_setcmap(struct fb_cmap *cmap, struct fb_info *info) ++{ ++ int count, index, r; ++ u16 *red, *green, *blue, *transp; ++ u16 trans = 0xffff; ++ ++ DBG("setcmap\n"); ++ ++ red = cmap->red; ++ green = cmap->green; ++ blue = cmap->blue; ++ transp = cmap->transp; ++ index = cmap->start; ++ ++ for (count = 0; count < cmap->len; count++) { ++ if (transp) ++ trans = *transp++; ++ r = _setcolreg(info, index++, *red++, *green++, *blue++, trans, ++ count == cmap->len - 1); ++ if (r != 0) ++ return r; ++ } ++ ++ return 0; ++} ++ ++static int omapfb_blank(int blank, struct fb_info *fbi) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ struct omap_display *display = fb2display(fbi); ++ int do_update = 0; ++ int r = 0; ++ ++ omapfb_lock(fbdev); ++ ++ switch (blank) { ++ case VESA_NO_BLANKING: ++ if (display->state != OMAP_DSS_DISPLAY_SUSPENDED) { ++ r = -EINVAL; ++ goto exit; ++ } ++ ++ if (display->resume) ++ r = display->resume(display); ++ ++ if (r == 0 && display->get_update_mode && ++ display->get_update_mode(display) == ++ OMAP_DSS_UPDATE_MANUAL) ++ do_update = 1; ++ ++ break; ++ ++ case VESA_POWERDOWN: ++ if (display->state != OMAP_DSS_DISPLAY_ACTIVE) { ++ r = -EINVAL; ++ goto exit; ++ } ++ ++ if (display->suspend) ++ r = display->suspend(display); ++ ++ break; ++ ++ default: ++ r = -EINVAL; ++ } ++ ++exit: ++ omapfb_unlock(fbdev); ++ ++ if (r == 0 && do_update && display->update) ++ r = display->update(display, ++ 0, 0, ++ display->x_res, display->y_res); ++ ++ return r; ++} ++ ++static struct fb_ops omapfb_ops = { ++ .owner = THIS_MODULE, ++ .fb_open = omapfb_open, ++ .fb_release = omapfb_release, ++ .fb_fillrect = cfb_fillrect, ++ .fb_copyarea = cfb_copyarea, ++ .fb_imageblit = cfb_imageblit, ++ .fb_blank = omapfb_blank, ++ .fb_ioctl = omapfb_ioctl, ++ .fb_check_var = omapfb_check_var, ++ .fb_set_par = omapfb_set_par, ++ .fb_rotate = omapfb_rotate, ++ .fb_pan_display = omapfb_pan_display, ++ .fb_mmap = omapfb_mmap, ++ .fb_setcolreg = omapfb_setcolreg, ++ .fb_setcmap = omapfb_setcmap, ++}; ++ ++static int omapfb_free_fbmem(struct omapfb2_device *fbdev) ++{ ++ int i; ++ ++ DBG("free fbmem\n"); ++ ++ for (i = 0; i < fbdev->num_fbs; i++) { ++ struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]); ++ struct omapfb_mem_region *rg; ++ ++ rg = &ofbi->region; ++ ++ if (rg->alloc) { ++ dma_free_writecombine(fbdev->dev, rg->size, ++ rg->vaddr, rg->paddr); ++ } ++ ++ rg->vaddr = NULL; ++ rg->paddr = 0; ++ rg->alloc = 0; ++ } ++ ++ fbdev->num_fbs = 0; ++ ++ return 0; ++} ++ ++static int omapfb_allocate_fbmem(struct omapfb2_device *fbdev) ++{ ++ int i; ++ struct omapfb_mem_desc *plat_mem_desc; ++ struct omapfb_platform_data *pdata = fbdev->dev->platform_data; ++ ++ plat_mem_desc = &pdata->mem_desc; ++ ++ DBG("omapfb: setup mem regions, %d regions\n", ++ plat_mem_desc->region_cnt); ++ ++ for (i = 0; i < plat_mem_desc->region_cnt; i++) { ++ struct omapfb_mem_region *plat_rg; ++ struct omapfb_mem_region *rg; ++ struct omapfb_info *ofb_info = FB2OFB(fbdev->fbs[i]); ++ ++ plat_rg = &plat_mem_desc->region[i]; ++ rg = &ofb_info->region; ++ ++ memset(rg, 0, sizeof(*rg)); ++ ++ DBG("platform region%d phys %08x virt %p size=%lu\n", ++ i, ++ plat_rg->paddr, ++ plat_rg->vaddr, ++ plat_rg->size); ++ ++ if (plat_rg->paddr == 0) { ++ u32 paddr; ++ void *vaddr; ++ ++ vaddr = dma_alloc_writecombine(fbdev->dev, ++ plat_rg->size, ++ &paddr, GFP_KERNEL); ++ ++ if (vaddr == NULL) { ++ dev_err(fbdev->dev, ++ "failed to allocate framebuffer\n"); ++ return -ENOMEM; ++ } ++ ++ rg->paddr = paddr; ++ rg->vaddr = vaddr; ++ rg->size = plat_rg->size; ++ rg->alloc = 1; ++ } else { ++ dev_err(fbdev->dev, ++ "Using preallocated fb not supported\n"); ++ return -EINVAL; ++ } ++ } ++ ++ for (i = 0; i < fbdev->num_fbs; i++) { ++ struct omapfb_info *ofb_info = FB2OFB(fbdev->fbs[i]); ++ struct omapfb_mem_region *rg; ++ rg = &ofb_info->region; ++ ++ DBG("region%d phys %08x virt %p size=%lu\n", ++ i, ++ rg->paddr, ++ rg->vaddr, ++ rg->size); ++ } ++ ++ return 0; ++} ++ ++/* initialize fb_info, var, fix to something sane based on the display */ ++static int fbinfo_init(struct omapfb2_device *fbdev, struct fb_info *fbi) ++{ ++ struct fb_var_screeninfo *var = &fbi->var; ++ struct fb_fix_screeninfo *fix = &fbi->fix; ++ struct omap_display *display = fb2display(fbi); ++ int r = 0; ++ ++ if (!display) { ++ dev_err(fbdev->dev, "cannot fbinfo_init, no display\n"); ++ return -EINVAL; ++ } ++ ++ fbi->fbops = &omapfb_ops; ++ fbi->flags = FBINFO_FLAG_DEFAULT; ++ fbi->pseudo_palette = fbdev->pseudo_palette; ++ ++ strncpy(fix->id, MODULE_NAME, sizeof(fix->id)); ++ ++ var->xres = display->x_res; ++ var->yres = display->y_res; ++ var->xres_virtual = var->xres; ++ var->yres_virtual = var->yres; ++ /* var->rotate = def_rotate; */ ++ ++ var->nonstd = 0; ++ ++ switch (display->bpp) { ++ case 16: ++ var->bits_per_pixel = 16; ++ break; ++ case 18: ++ var->bits_per_pixel = 16; ++ break; ++ case 24: ++ var->bits_per_pixel = 32; ++ break; ++ default: ++ dev_err(fbdev->dev, "illegal display bpp\n"); ++ return -EINVAL; ++ } ++ ++ if (display->get_timings) { ++ struct omap_video_timings timings; ++ display->get_timings(display, &timings); ++ ++ /* pixclock in ps, the rest in pixclock */ ++ var->pixclock = KHZ2PICOS(timings.pixel_clock); ++ var->left_margin = timings.hfp; ++ var->right_margin = timings.hbp; ++ var->upper_margin = timings.vfp; ++ var->lower_margin = timings.vbp; ++ var->hsync_len = timings.hsw; ++ var->vsync_len = timings.vsw; ++ } else { ++ var->pixclock = 0; ++ var->left_margin = 0; ++ var->right_margin = 0; ++ var->upper_margin = 0; ++ var->lower_margin = 0; ++ var->hsync_len = 0; ++ var->vsync_len = 0; ++ } ++ ++ r = check_fb_var(fbi, var); ++ if (r) ++ goto err; ++ ++ set_fb_fix(fbi); ++ ++#ifdef DEBUG ++ fill_fb(FB2OFB(fbi)->region.vaddr, fbi); ++#endif ++err: ++ return r; ++} ++ ++static void fbinfo_cleanup(struct omapfb2_device *fbdev, struct fb_info *fbi) ++{ ++ fb_dealloc_cmap(&fbi->cmap); ++} ++ ++ ++static void omapfb_free_resources(struct omapfb2_device *fbdev) ++{ ++ int i; ++ ++ DBG("free_resources\n"); ++ ++ if (fbdev == NULL) ++ return; ++ ++ for (i = 0; i < fbdev->num_fbs; i++) ++ unregister_framebuffer(fbdev->fbs[i]); ++ ++ /* free the reserved fbmem */ ++ omapfb_free_fbmem(fbdev); ++ ++ for (i = 0; i < fbdev->num_fbs; i++) { ++ fbinfo_cleanup(fbdev, fbdev->fbs[i]); ++ framebuffer_release(fbdev->fbs[i]); ++ } ++ ++ ++ for (i = 0; i < fbdev->num_displays; i++) { ++ if (fbdev->displays[i]->state != OMAP_DSS_DISPLAY_DISABLED) ++ fbdev->displays[i]->disable(fbdev->displays[i]); ++ ++ omap_dss_put_display(fbdev->displays[i]); ++ } ++ ++ dev_set_drvdata(fbdev->dev, NULL); ++ kfree(fbdev); ++} ++ ++static int omapfb_create_framebuffers(struct omapfb2_device *fbdev) ++{ ++ int r; ++ int i; ++ struct omapfb_mem_desc *plat_mem_desc; ++ struct omapfb_platform_data *pdata = fbdev->dev->platform_data; ++ ++ plat_mem_desc = &pdata->mem_desc; ++ ++ fbdev->num_fbs = 0; ++ ++ DBG("create %d framebuffers\n", plat_mem_desc->region_cnt); ++ ++ /* allocate fb_infos */ ++ for (i = 0; i < plat_mem_desc->region_cnt; i++) { ++ struct fb_info *fbi; ++ struct omapfb_info *ofbi; ++ ++ fbi = framebuffer_alloc(sizeof(struct omapfb_info), ++ fbdev->dev); ++ ++ if (fbi == NULL) { ++ dev_err(fbdev->dev, ++ "unable to allocate memory for plane info\n"); ++ return -ENOMEM; ++ } ++ ++ fbdev->fbs[i] = fbi; ++ ++ ofbi = FB2OFB(fbi); ++ ofbi->fbdev = fbdev; ++ /* XXX here we presume we have enough overlays */ ++ ofbi->overlays[0] = fbdev->overlays[i]; ++ ofbi->num_overlays = 1; ++ ofbi->id = i; ++ fbdev->num_fbs++; ++ } ++ ++ DBG("fb_infos allocated\n"); ++ ++ /* allocate fb memories */ ++ r = omapfb_allocate_fbmem(fbdev); ++ if (r) { ++ dev_err(fbdev->dev, "failed to allocate fbmem\n"); ++ return r; ++ } ++ ++ DBG("fbmems allocated\n"); ++ ++ /* setup fb_infos */ ++ for (i = 0; i < fbdev->num_fbs; i++) { ++ r = fbinfo_init(fbdev, fbdev->fbs[i]); ++ if (r) { ++ dev_err(fbdev->dev, "failed to setup fb_info\n"); ++ return r; ++ } ++ } ++ ++ DBG("fb_infos initialized\n"); ++ ++ for (i = 0; i < fbdev->num_fbs; i++) { ++ r = register_framebuffer(fbdev->fbs[i]); ++ if (r != 0) { ++ dev_err(fbdev->dev, ++ "registering framebuffer %d failed\n", i); ++ return r; ++ } ++ } ++ ++ DBG("framebuffers registered\n"); ++ ++ for (i = 0; i < fbdev->num_fbs; i++) { ++ r = omapfb_apply_changes(fbdev->fbs[i], 1); ++ if (r) ++ dev_err(fbdev->dev, "failed to change mode\n"); ++ } ++ ++ /* Enable the first framebuffer that has overlay that is connected ++ * to display. Usually this would be the GFX plane. */ ++ r = 0; ++ for (i = 0; i < fbdev->num_fbs; i++) { ++ struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]); ++ int t; ++ ++ for (t = 0; t < ofbi->num_overlays; t++) { ++ struct omap_overlay *ovl = ofbi->overlays[t]; ++ if (ovl->manager && ovl->manager->display) { ++ ovl->enable(ovl, 1); ++ r = 1; ++ break; ++ } ++ } ++ ++ if (r) ++ break; ++ } ++ ++ DBG("create_framebuffers done\n"); ++ ++ return 0; ++} ++ ++static int omapfb_probe(struct platform_device *pdev) ++{ ++ struct omapfb2_device *fbdev = NULL; ++ int r = 0; ++ int i, t; ++ struct omap_overlay *ovl; ++ struct omap_display *def_display; ++ ++ DBG("omapfb_probe\n"); ++ ++ if (pdev->num_resources != 0) { ++ dev_err(&pdev->dev, "probed for an unknown device\n"); ++ r = -ENODEV; ++ goto err0; ++ } ++ ++ if (pdev->dev.platform_data == NULL) { ++ dev_err(&pdev->dev, "missing platform data\n"); ++ r = -ENOENT; ++ goto err0; ++ } ++ ++ fbdev = kzalloc(sizeof(struct omapfb2_device), GFP_KERNEL); ++ if (fbdev == NULL) { ++ r = -ENOMEM; ++ goto err0; ++ } ++ ++ mutex_init(&fbdev->mtx); ++ ++ fbdev->dev = &pdev->dev; ++ platform_set_drvdata(pdev, fbdev); ++ ++ fbdev->num_displays = 0; ++ t = omap_dss_get_num_displays(); ++ for (i = 0; i < t; i++) { ++ struct omap_display *display; ++ display = omap_dss_get_display(i); ++ if (!display) { ++ dev_err(&pdev->dev, "can't get display %d\n", i); ++ r = -EINVAL; ++ goto cleanup; ++ } ++ ++ fbdev->displays[fbdev->num_displays++] = display; ++ } ++ ++ if (fbdev->num_displays == 0) { ++ dev_err(&pdev->dev, "no displays\n"); ++ r = -EINVAL; ++ goto cleanup; ++ } ++ ++ fbdev->num_overlays = omap_dss_get_num_overlays(); ++ for (i = 0; i < fbdev->num_overlays; i++) ++ fbdev->overlays[i] = omap_dss_get_overlay(i); ++ ++ fbdev->num_managers = omap_dss_get_num_overlay_managers(); ++ for (i = 0; i < fbdev->num_managers; i++) ++ fbdev->managers[i] = omap_dss_get_overlay_manager(i); ++ ++ ++ /* gfx overlay should be the default one. find a display ++ * connected to that, and use it as default display */ ++ ovl = omap_dss_get_overlay(0); ++ if (ovl->manager && ovl->manager->display) { ++ def_display = ovl->manager->display; ++ } else { ++ dev_err(&pdev->dev, "cannot find default display\n"); ++ r = -EINVAL; ++ goto cleanup; ++ } ++ ++ r = omapfb_create_framebuffers(fbdev); ++ if (r) ++ goto cleanup; ++ ++ for (i = 0; i < fbdev->num_managers; i++) { ++ struct omap_overlay_manager *mgr; ++ mgr = fbdev->managers[i]; ++ r = mgr->apply(mgr); ++ if (r) { ++ dev_err(fbdev->dev, "failed to apply dispc config\n"); ++ goto cleanup; ++ } ++ } ++ ++ DBG("mgr->apply'ed\n"); ++ ++ r = def_display->enable(def_display); ++ if (r) { ++ dev_err(fbdev->dev, "Failed to enable display '%s'\n", ++ def_display->name); ++ goto cleanup; ++ } ++ ++ /* set the update mode */ ++ if (def_display->caps & OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE) { ++#ifdef CONFIG_FB_OMAP2_FORCE_AUTO_UPDATE ++ if (def_display->set_update_mode) ++ def_display->set_update_mode(def_display, ++ OMAP_DSS_UPDATE_AUTO); ++ if (def_display->enable_te) ++ def_display->enable_te(def_display, 1); ++#else ++ if (def_display->set_update_mode) ++ def_display->set_update_mode(def_display, ++ OMAP_DSS_UPDATE_MANUAL); ++ if (def_display->enable_te) ++ def_display->enable_te(def_display, 0); ++#endif ++ } else { ++ if (def_display->set_update_mode) ++ def_display->set_update_mode(def_display, ++ OMAP_DSS_UPDATE_AUTO); ++ } ++ ++ for (i = 0; i < fbdev->num_displays; i++) { ++ struct omap_display *display = fbdev->displays[i]; ++ ++ if (display->update) ++ display->update(display, ++ 0, 0, ++ display->x_res, display->y_res); ++ } ++ ++ DBG("display->updated\n"); ++ ++ omapfb_create_sysfs(fbdev); ++ DBG("sysfs created\n"); ++ ++ return 0; ++ ++cleanup: ++ omapfb_free_resources(fbdev); ++err0: ++ dev_err(&pdev->dev, "failed to setup omapfb\n"); ++ return r; ++} ++ ++static int omapfb_remove(struct platform_device *pdev) ++{ ++ struct omapfb2_device *fbdev = platform_get_drvdata(pdev); ++ ++ /* FIXME: wait till completion of pending events */ ++ ++ omapfb_remove_sysfs(fbdev); ++ ++ omapfb_free_resources(fbdev); ++ ++ return 0; ++} ++ ++static struct platform_driver omapfb_driver = { ++ .probe = omapfb_probe, ++ .remove = omapfb_remove, ++ .driver = { ++ .name = "omapfb", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init omapfb_init(void) ++{ ++ DBG("omapfb_init\n"); ++ ++ if (platform_driver_register(&omapfb_driver)) { ++ printk(KERN_ERR "failed to register omapfb driver\n"); ++ return -ENODEV; ++ } ++ ++ return 0; ++} ++ ++static void __exit omapfb_exit(void) ++{ ++ DBG("omapfb_exit\n"); ++ platform_driver_unregister(&omapfb_driver); ++} ++ ++/* late_initcall to let panel/ctrl drivers loaded first. ++ * I guess better option would be a more dynamic approach, ++ * so that omapfb reacts to new panels when they are loaded */ ++late_initcall(omapfb_init); ++/*module_init(omapfb_init);*/ ++module_exit(omapfb_exit); ++ ++MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>"); ++MODULE_DESCRIPTION("OMAP2/3 Framebuffer"); ++MODULE_LICENSE("GPL v2"); +diff --git a/drivers/video/omap2/omapfb-sysfs.c b/drivers/video/omap2/omapfb-sysfs.c +new file mode 100644 +index 0000000..e01edd1 +--- /dev/null ++++ b/drivers/video/omap2/omapfb-sysfs.c +@@ -0,0 +1,833 @@ ++/* ++ * linux/drivers/video/omap2/omapfb-sysfs.c ++ * ++ * Copyright (C) 2008 Nokia Corporation ++ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> ++ * ++ * Some code and ideas taken from drivers/video/omap/ driver ++ * by Imre Deak. ++ * ++ * 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. ++ * ++ * 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, see <http://www.gnu.org/licenses/>. ++ */ ++ ++#include <linux/fb.h> ++#include <linux/sysfs.h> ++#include <linux/device.h> ++#include <linux/uaccess.h> ++#include <linux/platform_device.h> ++ ++#include <mach/display.h> ++#include <mach/omapfb.h> ++ ++#include "omapfb.h" ++ ++static int omapfb_attach_framebuffer(struct fb_info *fbi, ++ struct omap_overlay *ovl) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ int i, t; ++ int r; ++ ++ if (ofbi->num_overlays >= OMAPFB_MAX_OVL_PER_FB) { ++ dev_err(fbdev->dev, "fb has max number of overlays already\n"); ++ return -EINVAL; ++ } ++ ++ for (i = 0; i < ofbi->num_overlays; i++) { ++ if (ofbi->overlays[i] == ovl) { ++ dev_err(fbdev->dev, "fb already attached to overlay\n"); ++ return -EINVAL; ++ } ++ } ++ ++ for (i = 0; i < fbdev->num_fbs; i++) { ++ struct omapfb_info *ofbi2 = FB2OFB(fbdev->fbs[i]); ++ for (t = 0; t < ofbi2->num_overlays; t++) { ++ if (ofbi2->overlays[t] == ovl) { ++ dev_err(fbdev->dev, "overlay already in use\n"); ++ return -EINVAL; ++ } ++ } ++ } ++ ++ ofbi->overlays[ofbi->num_overlays++] = ovl; ++ ++/* ++ if (ovl->manager && ovl->manager->display) ++ omapfb_adjust_fb(fbi, ovl, 0, 0); ++*/ ++ r = omapfb_apply_changes(fbi, 1); ++ if (r) ++ return r; ++ ++ if (ovl->manager) ++ ovl->manager->apply(ovl->manager); ++ ++ return 0; ++} ++ ++static int omapfb_detach_framebuffer(struct fb_info *fbi, ++ struct omap_overlay *ovl) ++{ ++ int i; ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ struct omapfb2_device *fbdev = ofbi->fbdev; ++ ++ for (i = 0; i < ofbi->num_overlays; i++) { ++ if (ofbi->overlays[i] == ovl) ++ break; ++ } ++ ++ if (i == ofbi->num_overlays) { ++ dev_err(fbdev->dev, "cannot detach fb, overlay not attached\n"); ++ return -EINVAL; ++ } ++ ++ ovl->enable(ovl, 0); ++ ++ if (ovl->manager) ++ ovl->manager->apply(ovl->manager); ++ ++ for (i = i + 1; i < ofbi->num_overlays; i++) ++ ofbi->overlays[i-1] = ofbi->overlays[i]; ++ ++ ofbi->num_overlays--; ++ ++ return 0; ++} ++ ++ ++static ssize_t show_framebuffers(struct device *dev, ++ struct device_attribute *attr, ++ char *buf) ++{ ++ struct platform_device *pdev = to_platform_device(dev); ++ struct omapfb2_device *fbdev = platform_get_drvdata(pdev); ++ ssize_t l = 0, size = PAGE_SIZE; ++ int i, t; ++ ++ omapfb_lock(fbdev); ++ ++ for (i = 0; i < fbdev->num_fbs; i++) { ++ struct omapfb_info *ofbi = FB2OFB(fbdev->fbs[i]); ++ ++ l += snprintf(buf + l, size - l, "%d t:", ofbi->id); ++ ++ if (ofbi->num_overlays == 0) ++ l += snprintf(buf + l, size - l, "none"); ++ ++ for (t = 0; t < ofbi->num_overlays; t++) { ++ struct omap_overlay *ovl; ++ ovl = ofbi->overlays[t]; ++ ++ l += snprintf(buf + l, size - l, "%s%s", ++ t == 0 ? "" : ",", ++ ovl->name); ++ } ++ ++ l += snprintf(buf + l, size - l, "\n"); ++ } ++ ++ omapfb_unlock(fbdev); ++ ++ return l; ++} ++ ++static struct omap_overlay *find_overlay_by_name(struct omapfb2_device *fbdev, ++ char *name) ++{ ++ int i; ++ ++ for (i = 0; i < fbdev->num_overlays; i++) ++ if (strcmp(name, fbdev->overlays[i]->name) == 0) ++ return fbdev->overlays[i]; ++ ++ return NULL; ++} ++ ++static struct omap_display *find_display_by_name(struct omapfb2_device *fbdev, ++ char *name) ++{ ++ int i; ++ ++ for (i = 0; i < fbdev->num_displays; i++) ++ if (strcmp(name, fbdev->displays[i]->name) == 0) ++ return fbdev->displays[i]; ++ ++ return NULL; ++} ++ ++static struct omap_overlay_manager *find_manager_by_name( ++ struct omapfb2_device *fbdev, ++ char *name) ++{ ++ int i; ++ ++ for (i = 0; i < fbdev->num_managers; i++) ++ if (strcmp(name, fbdev->managers[i]->name) == 0) ++ return fbdev->managers[i]; ++ ++ return NULL; ++} ++ ++static int parse_overlays(struct omapfb2_device *fbdev, char *str, ++ struct omap_overlay *ovls[]) ++{ ++ int num_ovls = 0; ++ int s, e = 0; ++ char ovlname[10]; ++ ++ while (1) { ++ struct omap_overlay *ovl; ++ ++ s = e; ++ ++ while (e < strlen(str) && str[e] != ',') ++ e++; ++ ++ strncpy(ovlname, str + s, e - s); ++ ovlname[e-s] = 0; ++ ++ DBG("searching for '%s'\n", ovlname); ++ ovl = find_overlay_by_name(fbdev, ovlname); ++ ++ if (ovl) { ++ DBG("found an overlay\n"); ++ ovls[num_ovls] = ovl; ++ num_ovls++; ++ } else { ++ DBG("unknown overlay %s\n", str); ++ return 0; ++ } ++ ++ if (e == strlen(str)) ++ break; ++ ++ e++; ++ } ++ ++ return num_ovls; ++} ++ ++static ssize_t store_framebuffers(struct device *dev, ++ struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ struct platform_device *pdev = to_platform_device(dev); ++ struct omapfb2_device *fbdev = platform_get_drvdata(pdev); ++ int idx; ++ char fbname[3]; ++ unsigned long fbnum; ++ char ovlnames[40]; ++ int num_ovls = 0; ++ struct omap_overlay *ovls[OMAPFB_MAX_OVL_PER_FB]; ++ struct fb_info *fbi; ++ struct omapfb_info *ofbi; ++ int r, i; ++ ++ idx = 0; ++ while (idx < count && buf[idx] != ' ') ++ ++idx; ++ ++ if (idx == count) ++ return -EINVAL; ++ ++ if (idx >= sizeof(fbname)) ++ return -EINVAL; ++ ++ strncpy(fbname, buf, idx); ++ fbname[idx] = 0; ++ idx++; ++ ++ if (strict_strtoul(fbname, 10, &fbnum)) ++ return -EINVAL; ++ ++ r = sscanf(buf + idx, "t:%39s", ovlnames); ++ ++ if (r != 1) { ++ r = -EINVAL; ++ goto err; ++ } ++ ++ omapfb_lock(fbdev); ++ ++ if (fbnum >= fbdev->num_fbs) { ++ dev_err(dev, "fb not found\n"); ++ r = -EINVAL; ++ goto err; ++ } ++ ++ fbi = fbdev->fbs[fbnum]; ++ ofbi = FB2OFB(fbi); ++ ++ if (strcmp(ovlnames, "none") == 0) { ++ num_ovls = 0; ++ } else { ++ num_ovls = parse_overlays(fbdev, ovlnames, ovls); ++ ++ if (num_ovls == 0) { ++ dev_err(dev, "overlays not found\n"); ++ r = -EINVAL; ++ goto err; ++ } ++ } ++ ++ for (i = 0; i < ofbi->num_overlays; i++) { ++ r = omapfb_detach_framebuffer(fbi, ofbi->overlays[i]); ++ if (r) { ++ dev_err(dev, "detach failed\n"); ++ goto err; ++ } ++ } ++ ++ if (num_ovls > 0) { ++ for (i = 0; i < num_ovls; i++) { ++ r = omapfb_attach_framebuffer(fbi, ovls[i]); ++ if (r) { ++ dev_err(dev, "attach failed\n"); ++ goto err; ++ } ++ } ++ } ++ ++ omapfb_unlock(fbdev); ++ return count; ++ ++err: ++ omapfb_unlock(fbdev); ++ return r; ++} ++ ++static ssize_t show_overlays(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ struct platform_device *pdev = to_platform_device(dev); ++ struct omapfb2_device *fbdev = platform_get_drvdata(pdev); ++ ssize_t l = 0, size = PAGE_SIZE; ++ int i, mgr_num; ++ ++ omapfb_lock(fbdev); ++ ++ for (i = 0; i < fbdev->num_overlays; i++) { ++ struct omap_overlay *ovl; ++ struct omap_overlay_manager *mgr; ++ ++ ovl = fbdev->overlays[i]; ++ mgr = ovl->manager; ++ ++ for (mgr_num = 0; mgr_num < fbdev->num_managers; mgr_num++) ++ if (fbdev->managers[mgr_num] == mgr) ++ break; ++ ++ l += snprintf(buf + l, size - l, ++ "%s t:%s x:%d y:%d iw:%d ih:%d w: %d h: %d e:%d\n", ++ ovl->name, ++ mgr ? mgr->name : "none", ++ ovl->info.pos_x, ++ ovl->info.pos_y, ++ ovl->info.width, ++ ovl->info.height, ++ ovl->info.out_width, ++ ovl->info.out_height, ++ ovl->info.enabled); ++ } ++ ++ omapfb_unlock(fbdev); ++ ++ return l; ++} ++ ++static ssize_t store_overlays(struct device *dev, ++ struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ struct platform_device *pdev = to_platform_device(dev); ++ struct omapfb2_device *fbdev = platform_get_drvdata(pdev); ++ int idx; ++ struct omap_overlay *ovl = NULL; ++ struct omap_overlay_manager *mgr; ++ int r; ++ char ovlname[10]; ++ int posx, posy, outw, outh; ++ int enabled; ++ ++ idx = 0; ++ while (idx < count && buf[idx] != ' ') ++ ++idx; ++ ++ if (idx == count) ++ return -EINVAL; ++ ++ if (idx >= sizeof(ovlname)) ++ return -EINVAL; ++ ++ strncpy(ovlname, buf, idx); ++ ovlname[idx] = 0; ++ idx++; ++ ++ omapfb_lock(fbdev); ++ ++ ovl = find_overlay_by_name(fbdev, ovlname); ++ ++ if (!ovl) { ++ dev_err(dev, "ovl not found\n"); ++ r = -EINVAL; ++ goto err; ++ } ++ ++ DBG("ovl %s found\n", ovl->name); ++ ++ mgr = ovl->manager; ++ ++ posx = ovl->info.pos_x; ++ posy = ovl->info.pos_y; ++ outw = ovl->info.out_width; ++ outh = ovl->info.out_height; ++ enabled = ovl->info.enabled; ++ ++ while (idx < count) { ++ char c; ++ int val; ++ int len; ++ char sval[10]; ++ ++ r = sscanf(buf + idx, "%c:%d%n", &c, &val, &len); ++ ++ if (r != 2) { ++ val = 0; ++ ++ r = sscanf(buf + idx, "%c:%9s%n", &c, sval, &len); ++ ++ if (r != 2) { ++ dev_err(dev, "sscanf failed, aborting\n"); ++ r = -EINVAL; ++ goto err; ++ } ++ } else { ++ sval[0] = 0; ++ } ++ ++ switch (c) { ++ case 't': ++ if (strcmp(sval, "none") == 0) { ++ mgr = NULL; ++ } else { ++ mgr = find_manager_by_name(fbdev, sval); ++ ++ if (mgr == NULL) { ++ dev_err(dev, "no such manager\n"); ++ r = -EINVAL; ++ goto err; ++ } ++ ++ DBG("manager %s found\n", mgr->name); ++ } ++ ++ break; ++ ++ case 'x': ++ posx = val; ++ break; ++ ++ case 'y': ++ posy = val; ++ break; ++ ++ case 'w': ++ if (ovl->caps & OMAP_DSS_OVL_CAP_SCALE) ++ outw = val; ++ break; ++ ++ case 'h': ++ if (ovl->caps & OMAP_DSS_OVL_CAP_SCALE) ++ outh = val; ++ break; ++ ++ case 'e': ++ enabled = val; ++ break; ++ ++ default: ++ dev_err(dev, "unknown option %c\n", c); ++ r = -EINVAL; ++ goto err; ++ } ++ ++ idx += len + 1; ++ } ++ ++ r = ovl->setup_output(ovl, posx, posy, outw, outh); ++ ++ if (r) { ++ dev_err(dev, "setup overlay failed\n"); ++ goto err; ++ } ++ ++ if (mgr != ovl->manager) { ++ /* detach old manager */ ++ if (ovl->manager) { ++ r = ovl->unset_manager(ovl); ++ if (r) { ++ dev_err(dev, "detach failed\n"); ++ goto err; ++ } ++ } ++ ++ if (mgr) { ++ r = ovl->set_manager(ovl, mgr); ++ if (r) { ++ dev_err(dev, "Failed to attach overlay\n"); ++ goto err; ++ } ++ } ++ } ++ ++ r = ovl->enable(ovl, enabled); ++ ++ if (r) { ++ dev_err(dev, "enable overlay failed\n"); ++ goto err; ++ } ++ ++ if (mgr) { ++ r = mgr->apply(mgr); ++ if (r) { ++ dev_err(dev, "failed to apply dispc config\n"); ++ goto err; ++ } ++ } else { ++ ovl->enable(ovl, 0); ++ } ++ ++ if (mgr && mgr->display && mgr->display->update) ++ mgr->display->update(mgr->display, ++ 0, 0, ++ mgr->display->x_res, mgr->display->y_res); ++ ++ omapfb_unlock(fbdev); ++ return count; ++ ++err: ++ omapfb_unlock(fbdev); ++ return r; ++} ++ ++static ssize_t show_managers(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ struct platform_device *pdev = to_platform_device(dev); ++ struct omapfb2_device *fbdev = platform_get_drvdata(pdev); ++ ssize_t l = 0, size = PAGE_SIZE; ++ int i; ++ ++ omapfb_lock(fbdev); ++ ++ for (i = 0; i < fbdev->num_managers; i++) { ++ struct omap_display *display; ++ struct omap_overlay_manager *mgr; ++ ++ mgr = fbdev->managers[i]; ++ display = mgr->display; ++ ++ l += snprintf(buf + l, size - l, "%s t:%s\n", ++ mgr->name, display ? display->name : "none"); ++ } ++ ++ omapfb_unlock(fbdev); ++ ++ return l; ++} ++ ++static ssize_t store_managers(struct device *dev, ++ struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ struct platform_device *pdev = to_platform_device(dev); ++ struct omapfb2_device *fbdev = platform_get_drvdata(pdev); ++ int idx; ++ struct omap_overlay_manager *mgr; ++ struct omap_display *display; ++ char mgrname[10]; ++ char displayname[10]; ++ int r; ++ ++ idx = 0; ++ while (idx < count && buf[idx] != ' ') ++ ++idx; ++ ++ if (idx == count) ++ return -EINVAL; ++ ++ if (idx >= sizeof(mgrname)) ++ return -EINVAL; ++ ++ strncpy(mgrname, buf, idx); ++ mgrname[idx] = 0; ++ idx++; ++ ++ omapfb_lock(fbdev); ++ ++ mgr = find_manager_by_name(fbdev, mgrname); ++ ++ if (!mgr) { ++ dev_err(dev, "manager not found\n"); ++ r = -EINVAL; ++ goto err; ++ } ++ ++ r = sscanf(buf + idx, "t:%9s", displayname); ++ ++ if (r != 1) { ++ r = -EINVAL; ++ goto err; ++ } ++ ++ if (strcmp(displayname, "none") == 0) { ++ display = NULL; ++ } else { ++ display = find_display_by_name(fbdev, displayname); ++ ++ if (!display) { ++ dev_err(dev, "display not found\n"); ++ r = -EINVAL; ++ goto err; ++ } ++ } ++ ++ if (mgr->display) { ++ r = mgr->unset_display(mgr); ++ if (r) { ++ dev_err(dev, "failed to unset display\n"); ++ goto err; ++ } ++ } ++ ++ if (display) { ++ r = mgr->set_display(mgr, display); ++ if (r) { ++ dev_err(dev, "failed to set manager\n"); ++ goto err; ++ } ++ ++ r = mgr->apply(mgr); ++ if (r) { ++ dev_err(dev, "failed to apply dispc config\n"); ++ goto err; ++ } ++ } ++ ++ omapfb_unlock(fbdev); ++ return count; ++ ++err: ++ omapfb_unlock(fbdev); ++ return r; ++} ++ ++static ssize_t show_displays(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ struct platform_device *pdev = to_platform_device(dev); ++ struct omapfb2_device *fbdev = platform_get_drvdata(pdev); ++ ssize_t l = 0, size = PAGE_SIZE; ++ int i; ++ ++ omapfb_lock(fbdev); ++ ++ for (i = 0; i < fbdev->num_displays; i++) { ++ struct omap_display *display; ++ enum omap_dss_update_mode mode = -1; ++ int te = 0; ++ ++ display = fbdev->displays[i]; ++ ++ if (display->get_update_mode) ++ mode = display->get_update_mode(display); ++ ++ if (display->get_te) ++ te = display->get_te(display); ++ ++ l += snprintf(buf + l, size - l, ++ "%s w:%d h:%d e:%d u:%d t:%d\n", ++ display->name, ++ display->x_res, ++ display->y_res, ++ display->state != OMAP_DSS_DISPLAY_DISABLED, ++ mode, te); ++ } ++ ++ omapfb_unlock(fbdev); ++ ++ return l; ++} ++ ++static ssize_t store_displays(struct device *dev, ++ struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ struct platform_device *pdev = to_platform_device(dev); ++ struct omapfb2_device *fbdev = platform_get_drvdata(pdev); ++ int idx; ++ int enable, width, height; ++ enum omap_dss_update_mode mode; ++ struct omap_display *display = NULL; ++ int r; ++ char displayname[10]; ++ int te; ++ ++ idx = 0; ++ while (idx < count && buf[idx] != ' ') ++ ++idx; ++ ++ if (idx == count) ++ return -EINVAL; ++ ++ if (idx >= sizeof(displayname)) ++ return -EINVAL; ++ ++ strncpy(displayname, buf, idx); ++ displayname[idx] = 0; ++ idx++; ++ ++ omapfb_lock(fbdev); ++ ++ display = find_display_by_name(fbdev, displayname); ++ ++ if (!display) { ++ dev_err(dev, "display not found\n"); ++ r = -EINVAL; ++ goto err; ++ } ++ ++ width = display->x_res; ++ height = display->y_res; ++ enable = display->state != OMAP_DSS_DISPLAY_DISABLED; ++ if (display->get_update_mode) ++ mode = display->get_update_mode(display); ++ else ++ mode = 0; ++ ++ if (display->get_te) ++ te = display->get_te(display); ++ else ++ te = 0; ++ ++ while (idx < count) { ++ char c; ++ int val; ++ int len; ++ ++ r = sscanf(buf + idx, "%c:%d%n", &c, &val, &len); ++ ++ if (r != 2) { ++ dev_err(dev, "sscanf failed, aborting\n"); ++ r = -EINVAL; ++ goto err; ++ } ++ ++ switch (c) { ++ case 'w': ++ width = val; ++ break; ++ ++ case 'h': ++ height = val; ++ break; ++ ++ case 'e': ++ enable = val; ++ break; ++ ++ case 'u': ++ mode = val; ++ break; ++ ++ case 't': ++ te = val; ++ break; ++ ++ default: ++ dev_err(dev, "unknown option %c\n", c); ++ r = -EINVAL; ++ goto err; ++ } ++ ++ idx += len + 1; ++ } ++ ++ /* XXX: setmode */ ++ if (enable != (display->state != OMAP_DSS_DISPLAY_DISABLED)) { ++ if (enable) { ++ r = display->enable(display); ++ if (r) ++ dev_err(dev, "failed to enable display\n"); ++ } else { ++ display->disable(display); ++ } ++ } ++ ++ if (display->set_update_mode && display->get_update_mode) { ++ if (mode != display->get_update_mode(display)) ++ display->set_update_mode(display, mode); ++ } ++ ++ if (display->enable_te && display->get_te) { ++ if (te != display->get_te(display)) ++ display->enable_te(display, te); ++ } ++ ++ omapfb_unlock(fbdev); ++ return count; ++ ++err: ++ omapfb_unlock(fbdev); ++ return r; ++} ++ ++ ++static DEVICE_ATTR(framebuffers, S_IRUGO | S_IWUSR, ++ show_framebuffers, store_framebuffers); ++static DEVICE_ATTR(overlays, S_IRUGO | S_IWUSR, ++ show_overlays, store_overlays); ++static DEVICE_ATTR(managers, S_IRUGO | S_IWUSR, ++ show_managers, store_managers); ++static DEVICE_ATTR(displays, S_IRUGO | S_IWUSR, ++ show_displays, store_displays); ++ ++static struct attribute *omapfb_attrs[] = { ++ &dev_attr_framebuffers.attr, ++ &dev_attr_overlays.attr, ++ &dev_attr_managers.attr, ++ &dev_attr_displays.attr, ++ NULL, ++}; ++ ++static struct attribute_group omapfb_attr_group = { ++ .attrs = omapfb_attrs, ++}; ++ ++void omapfb_create_sysfs(struct omapfb2_device *fbdev) ++{ ++ int r; ++ ++ r = sysfs_create_group(&fbdev->dev->kobj, &omapfb_attr_group); ++ if (r) ++ dev_err(fbdev->dev, "failed to create sysfs clk file\n"); ++} ++ ++void omapfb_remove_sysfs(struct omapfb2_device *fbdev) ++{ ++ sysfs_remove_group(&fbdev->dev->kobj, &omapfb_attr_group); ++} ++ +diff --git a/drivers/video/omap2/omapfb.h b/drivers/video/omap2/omapfb.h +new file mode 100644 +index 0000000..04ca444 +--- /dev/null ++++ b/drivers/video/omap2/omapfb.h +@@ -0,0 +1,104 @@ ++/* ++ * linux/drivers/video/omap2/omapfb.h ++ * ++ * Copyright (C) 2008 Nokia Corporation ++ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> ++ * ++ * Some code and ideas taken from drivers/video/omap/ driver ++ * by Imre Deak. ++ * ++ * 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. ++ * ++ * 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, see <http://www.gnu.org/licenses/>. ++ */ ++ ++#ifndef __DRIVERS_VIDEO_OMAP2_OMAPFB_H__ ++#define __DRIVERS_VIDEO_OMAP2_OMAPFB_H__ ++ ++#ifdef CONFIG_FB_OMAP2_DEBUG ++#define DEBUG ++#endif ++ ++#ifdef DEBUG ++#define DBG(format, ...) printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__) ++#else ++#define DBG(format, ...) ++#endif ++ ++#define FB2OFB(fb_info) ((struct omapfb_info *)(fb_info->par)) ++ ++/* max number of overlays to which a framebuffer data can be direct */ ++#define OMAPFB_MAX_OVL_PER_FB 3 ++ ++/* appended to fb_info */ ++struct omapfb_info { ++ int id; ++ struct omapfb_mem_region region; ++ int num_overlays; ++ struct omap_overlay *overlays[OMAPFB_MAX_OVL_PER_FB]; ++ struct omapfb2_device *fbdev; ++}; ++ ++struct omapfb2_device { ++ struct device *dev; ++ struct mutex mtx; ++ ++ u32 pseudo_palette[17]; ++ ++ int state; ++ ++ int num_fbs; ++ struct fb_info *fbs[10]; ++ ++ int num_displays; ++ struct omap_display *displays[10]; ++ int num_overlays; ++ struct omap_overlay *overlays[10]; ++ int num_managers; ++ struct omap_overlay_manager *managers[10]; ++}; ++ ++int omapfb_apply_changes(struct fb_info *fbi, int init); ++int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl, ++ int posx, int posy, int outw, int outh); ++ ++void omapfb_create_sysfs(struct omapfb2_device *fbdev); ++void omapfb_remove_sysfs(struct omapfb2_device *fbdev); ++ ++int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg); ++ ++/* find the display connected to this fb, if any */ ++static inline struct omap_display *fb2display(struct fb_info *fbi) ++{ ++ struct omapfb_info *ofbi = FB2OFB(fbi); ++ int i; ++ ++ /* XXX: returns the display connected to first attached overlay */ ++ for (i = 0; i < ofbi->num_overlays; i++) { ++ if (ofbi->overlays[i]->manager) ++ return ofbi->overlays[i]->manager->display; ++ } ++ ++ return NULL; ++} ++ ++static inline void omapfb_lock(struct omapfb2_device *fbdev) ++{ ++ mutex_lock(&fbdev->mtx); ++} ++ ++static inline void omapfb_unlock(struct omapfb2_device *fbdev) ++{ ++ mutex_unlock(&fbdev->mtx); ++} ++ ++ ++#endif +-- +1.5.6.3 + |