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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/video/fbdev/via/viafbdev.c
Initial import
Diffstat (limited to 'drivers/video/fbdev/via/viafbdev.c')
-rw-r--r--drivers/video/fbdev/via/viafbdev.c2175
1 files changed, 2175 insertions, 0 deletions
diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c
new file mode 100644
index 000000000..f9718f012
--- /dev/null
+++ b/drivers/video/fbdev/via/viafbdev.c
@@ -0,0 +1,2175 @@
+/*
+ * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
+
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation;
+ * either version 2, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; 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, write to the Free Software
+ * Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+#include <linux/stat.h>
+#include <linux/via-core.h>
+#include <linux/via_i2c.h>
+#include <asm/olpc.h>
+
+#define _MASTER_FILE
+#include "global.h"
+
+static char *viafb_name = "Via";
+static u32 pseudo_pal[17];
+
+/* video mode */
+static char *viafb_mode;
+static char *viafb_mode1;
+static int viafb_bpp = 32;
+static int viafb_bpp1 = 32;
+
+static unsigned int viafb_second_offset;
+static int viafb_second_size;
+
+static int viafb_accel = 1;
+
+/* Added for specifying active devices.*/
+static char *viafb_active_dev;
+
+/*Added for specify lcd output port*/
+static char *viafb_lcd_port = "";
+static char *viafb_dvi_port = "";
+
+static void retrieve_device_setting(struct viafb_ioctl_setting
+ *setting_info);
+static int viafb_pan_display(struct fb_var_screeninfo *var,
+ struct fb_info *info);
+
+static struct fb_ops viafb_ops;
+
+/* supported output devices on each IGP
+ * only CX700, VX800, VX855, VX900 were documented
+ * VIA_CRT should be everywhere
+ * VIA_6C can be onle pre-CX700 (probably only on CLE266) as 6C is used for PLL
+ * source selection on CX700 and later
+ * K400 seems to support VIA_96, VIA_DVP1, VIA_LVDS{1,2} as in viamode.c
+ */
+static const u32 supported_odev_map[] = {
+ [UNICHROME_CLE266] = VIA_CRT | VIA_LDVP0 | VIA_LDVP1,
+ [UNICHROME_K400] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
+ | VIA_LVDS2,
+ [UNICHROME_K800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
+ | VIA_LVDS2,
+ [UNICHROME_PM800] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
+ | VIA_LVDS2,
+ [UNICHROME_CN700] = VIA_CRT | VIA_DVP0 | VIA_DVP1 | VIA_LVDS1
+ | VIA_LVDS2,
+ [UNICHROME_CX700] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
+ [UNICHROME_CN750] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
+ [UNICHROME_K8M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
+ [UNICHROME_P4M890] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
+ [UNICHROME_P4M900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
+ [UNICHROME_VX800] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
+ [UNICHROME_VX855] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
+ [UNICHROME_VX900] = VIA_CRT | VIA_DVP1 | VIA_LVDS1 | VIA_LVDS2,
+};
+
+static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
+{
+ var->grayscale = 0;
+ var->red.msb_right = 0;
+ var->green.msb_right = 0;
+ var->blue.msb_right = 0;
+ var->transp.offset = 0;
+ var->transp.length = 0;
+ var->transp.msb_right = 0;
+ var->nonstd = 0;
+ switch (depth) {
+ case 8:
+ var->bits_per_pixel = 8;
+ var->red.offset = 0;
+ var->green.offset = 0;
+ var->blue.offset = 0;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ break;
+ case 15:
+ var->bits_per_pixel = 16;
+ var->red.offset = 10;
+ var->green.offset = 5;
+ var->blue.offset = 0;
+ var->red.length = 5;
+ var->green.length = 5;
+ var->blue.length = 5;
+ break;
+ case 16:
+ var->bits_per_pixel = 16;
+ var->red.offset = 11;
+ var->green.offset = 5;
+ var->blue.offset = 0;
+ var->red.length = 5;
+ var->green.length = 6;
+ var->blue.length = 5;
+ break;
+ case 24:
+ var->bits_per_pixel = 32;
+ var->red.offset = 16;
+ var->green.offset = 8;
+ var->blue.offset = 0;
+ var->red.length = 8;
+ var->green.length = 8;
+ var->blue.length = 8;
+ break;
+ case 30:
+ var->bits_per_pixel = 32;
+ var->red.offset = 20;
+ var->green.offset = 10;
+ var->blue.offset = 0;
+ var->red.length = 10;
+ var->green.length = 10;
+ var->blue.length = 10;
+ break;
+ }
+}
+
+static void viafb_update_fix(struct fb_info *info)
+{
+ u32 bpp = info->var.bits_per_pixel;
+
+ info->fix.visual =
+ bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
+ info->fix.line_length = ALIGN(info->var.xres_virtual * bpp / 8,
+ VIA_PITCH_SIZE);
+}
+
+static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
+ struct viafb_par *viaparinfo)
+{
+ memset(fix, 0, sizeof(struct fb_fix_screeninfo));
+ strcpy(fix->id, viafb_name);
+
+ fix->smem_start = viaparinfo->fbmem;
+ fix->smem_len = viaparinfo->fbmem_free;
+
+ fix->type = FB_TYPE_PACKED_PIXELS;
+ fix->type_aux = 0;
+ fix->visual = FB_VISUAL_TRUECOLOR;
+
+ fix->xpanstep = fix->ywrapstep = 0;
+ fix->ypanstep = 1;
+
+ /* Just tell the accel name */
+ viafbinfo->fix.accel = FB_ACCEL_VIA_UNICHROME;
+}
+static int viafb_open(struct fb_info *info, int user)
+{
+ DEBUG_MSG(KERN_INFO "viafb_open!\n");
+ return 0;
+}
+
+static int viafb_release(struct fb_info *info, int user)
+{
+ DEBUG_MSG(KERN_INFO "viafb_release!\n");
+ return 0;
+}
+
+static inline int get_var_refresh(struct fb_var_screeninfo *var)
+{
+ u32 htotal, vtotal;
+
+ htotal = var->left_margin + var->xres + var->right_margin
+ + var->hsync_len;
+ vtotal = var->upper_margin + var->yres + var->lower_margin
+ + var->vsync_len;
+ return PICOS2KHZ(var->pixclock) * 1000 / (htotal * vtotal);
+}
+
+static int viafb_check_var(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ int depth, refresh;
+ struct viafb_par *ppar = info->par;
+ u32 line;
+
+ DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
+ /* Sanity check */
+ /* HW neither support interlacte nor double-scaned mode */
+ if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
+ return -EINVAL;
+
+ /* the refresh rate is not important here, as we only want to know
+ * whether the resolution exists
+ */
+ if (!viafb_get_best_mode(var->xres, var->yres, 60)) {
+ DEBUG_MSG(KERN_INFO
+ "viafb: Mode %dx%dx%d not supported!!\n",
+ var->xres, var->yres, var->bits_per_pixel);
+ return -EINVAL;
+ }
+
+ depth = fb_get_color_depth(var, &info->fix);
+ if (!depth)
+ depth = var->bits_per_pixel;
+
+ if (depth < 0 || depth > 32)
+ return -EINVAL;
+ else if (!depth)
+ depth = 24;
+ else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
+ depth = 15;
+ else if (depth == 30)
+ depth = 30;
+ else if (depth <= 8)
+ depth = 8;
+ else if (depth <= 16)
+ depth = 16;
+ else
+ depth = 24;
+
+ viafb_fill_var_color_info(var, depth);
+ if (var->xres_virtual < var->xres)
+ var->xres_virtual = var->xres;
+
+ line = ALIGN(var->xres_virtual * var->bits_per_pixel / 8,
+ VIA_PITCH_SIZE);
+ if (line > VIA_PITCH_MAX || line * var->yres_virtual > ppar->memsize)
+ return -EINVAL;
+
+ /* Based on var passed in to calculate the refresh,
+ * because our driver use some modes special.
+ */
+ refresh = viafb_get_refresh(var->xres, var->yres,
+ get_var_refresh(var));
+
+ /* Adjust var according to our driver's own table */
+ viafb_fill_var_timing_info(var,
+ viafb_get_best_mode(var->xres, var->yres, refresh));
+ if (var->accel_flags & FB_ACCELF_TEXT &&
+ !ppar->shared->vdev->engine_mmio)
+ var->accel_flags = 0;
+
+ return 0;
+}
+
+static int viafb_set_par(struct fb_info *info)
+{
+ struct viafb_par *viapar = info->par;
+ int refresh;
+ DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
+
+ viafb_update_fix(info);
+ viapar->depth = fb_get_color_depth(&info->var, &info->fix);
+ viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
+ viafbinfo->var.bits_per_pixel, 0);
+
+ if (viafb_dual_fb) {
+ viafb_update_device_setting(viafbinfo1->var.xres,
+ viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
+ 1);
+ } else if (viafb_SAMM_ON == 1) {
+ DEBUG_MSG(KERN_INFO
+ "viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
+ viafb_second_xres, viafb_second_yres, viafb_bpp1);
+
+ viafb_update_device_setting(viafb_second_xres,
+ viafb_second_yres, viafb_bpp1, 1);
+ }
+
+ refresh = get_var_refresh(&info->var);
+ if (viafb_dual_fb && viapar->iga_path == IGA2) {
+ viafb_bpp1 = info->var.bits_per_pixel;
+ viafb_refresh1 = refresh;
+ } else {
+ viafb_bpp = info->var.bits_per_pixel;
+ viafb_refresh = refresh;
+ }
+
+ if (info->var.accel_flags & FB_ACCELF_TEXT)
+ info->flags &= ~FBINFO_HWACCEL_DISABLED;
+ else
+ info->flags |= FBINFO_HWACCEL_DISABLED;
+ viafb_setmode();
+ viafb_pan_display(&info->var, info);
+
+ return 0;
+}
+
+/* Set one color register */
+static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
+unsigned blue, unsigned transp, struct fb_info *info)
+{
+ struct viafb_par *viapar = info->par;
+ u32 r, g, b;
+
+ if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
+ if (regno > 255)
+ return -EINVAL;
+
+ if (!viafb_dual_fb || viapar->iga_path == IGA1)
+ viafb_set_primary_color_register(regno, red >> 8,
+ green >> 8, blue >> 8);
+
+ if (!viafb_dual_fb || viapar->iga_path == IGA2)
+ viafb_set_secondary_color_register(regno, red >> 8,
+ green >> 8, blue >> 8);
+ } else {
+ if (regno > 15)
+ return -EINVAL;
+
+ r = (red >> (16 - info->var.red.length))
+ << info->var.red.offset;
+ b = (blue >> (16 - info->var.blue.length))
+ << info->var.blue.offset;
+ g = (green >> (16 - info->var.green.length))
+ << info->var.green.offset;
+ ((u32 *) info->pseudo_palette)[regno] = r | g | b;
+ }
+
+ return 0;
+}
+
+static int viafb_pan_display(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ struct viafb_par *viapar = info->par;
+ u32 vram_addr = viapar->vram_addr
+ + var->yoffset * info->fix.line_length
+ + var->xoffset * info->var.bits_per_pixel / 8;
+
+ DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
+ if (!viafb_dual_fb) {
+ via_set_primary_address(vram_addr);
+ via_set_secondary_address(vram_addr);
+ } else if (viapar->iga_path == IGA1)
+ via_set_primary_address(vram_addr);
+ else
+ via_set_secondary_address(vram_addr);
+
+ return 0;
+}
+
+static int viafb_blank(int blank_mode, struct fb_info *info)
+{
+ DEBUG_MSG(KERN_INFO "viafb_blank!\n");
+ /* clear DPMS setting */
+
+ switch (blank_mode) {
+ case FB_BLANK_UNBLANK:
+ /* Screen: On, HSync: On, VSync: On */
+ /* control CRT monitor power management */
+ via_set_state(VIA_CRT, VIA_STATE_ON);
+ break;
+ case FB_BLANK_HSYNC_SUSPEND:
+ /* Screen: Off, HSync: Off, VSync: On */
+ /* control CRT monitor power management */
+ via_set_state(VIA_CRT, VIA_STATE_STANDBY);
+ break;
+ case FB_BLANK_VSYNC_SUSPEND:
+ /* Screen: Off, HSync: On, VSync: Off */
+ /* control CRT monitor power management */
+ via_set_state(VIA_CRT, VIA_STATE_SUSPEND);
+ break;
+ case FB_BLANK_POWERDOWN:
+ /* Screen: Off, HSync: Off, VSync: Off */
+ /* control CRT monitor power management */
+ via_set_state(VIA_CRT, VIA_STATE_OFF);
+ break;
+ }
+
+ return 0;
+}
+
+static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
+{
+ union {
+ struct viafb_ioctl_mode viamode;
+ struct viafb_ioctl_samm viasamm;
+ struct viafb_driver_version driver_version;
+ struct fb_var_screeninfo sec_var;
+ struct _panel_size_pos_info panel_pos_size_para;
+ struct viafb_ioctl_setting viafb_setting;
+ struct device_t active_dev;
+ } u;
+ u32 state_info = 0;
+ u32 *viafb_gamma_table;
+ char driver_name[] = "viafb";
+
+ u32 __user *argp = (u32 __user *) arg;
+ u32 gpu32;
+
+ DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
+ printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
+ memset(&u, 0, sizeof(u));
+
+ switch (cmd) {
+ case VIAFB_GET_CHIP_INFO:
+ if (copy_to_user(argp, viaparinfo->chip_info,
+ sizeof(struct chip_information)))
+ return -EFAULT;
+ break;
+ case VIAFB_GET_INFO_SIZE:
+ return put_user((u32)sizeof(struct viafb_ioctl_info), argp);
+ case VIAFB_GET_INFO:
+ return viafb_ioctl_get_viafb_info(arg);
+ case VIAFB_HOTPLUG:
+ return put_user(viafb_ioctl_hotplug(info->var.xres,
+ info->var.yres,
+ info->var.bits_per_pixel), argp);
+ case VIAFB_SET_HOTPLUG_FLAG:
+ if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
+ return -EFAULT;
+ viafb_hotplug = (gpu32) ? 1 : 0;
+ break;
+ case VIAFB_GET_RESOLUTION:
+ u.viamode.xres = (u32) viafb_hotplug_Xres;
+ u.viamode.yres = (u32) viafb_hotplug_Yres;
+ u.viamode.refresh = (u32) viafb_hotplug_refresh;
+ u.viamode.bpp = (u32) viafb_hotplug_bpp;
+ if (viafb_SAMM_ON == 1) {
+ u.viamode.xres_sec = viafb_second_xres;
+ u.viamode.yres_sec = viafb_second_yres;
+ u.viamode.virtual_xres_sec = viafb_dual_fb ? viafbinfo1->var.xres_virtual : viafbinfo->var.xres_virtual;
+ u.viamode.virtual_yres_sec = viafb_dual_fb ? viafbinfo1->var.yres_virtual : viafbinfo->var.yres_virtual;
+ u.viamode.refresh_sec = viafb_refresh1;
+ u.viamode.bpp_sec = viafb_bpp1;
+ } else {
+ u.viamode.xres_sec = 0;
+ u.viamode.yres_sec = 0;
+ u.viamode.virtual_xres_sec = 0;
+ u.viamode.virtual_yres_sec = 0;
+ u.viamode.refresh_sec = 0;
+ u.viamode.bpp_sec = 0;
+ }
+ if (copy_to_user(argp, &u.viamode, sizeof(u.viamode)))
+ return -EFAULT;
+ break;
+ case VIAFB_GET_SAMM_INFO:
+ u.viasamm.samm_status = viafb_SAMM_ON;
+
+ if (viafb_SAMM_ON == 1) {
+ if (viafb_dual_fb) {
+ u.viasamm.size_prim = viaparinfo->fbmem_free;
+ u.viasamm.size_sec = viaparinfo1->fbmem_free;
+ } else {
+ if (viafb_second_size) {
+ u.viasamm.size_prim =
+ viaparinfo->fbmem_free -
+ viafb_second_size * 1024 * 1024;
+ u.viasamm.size_sec =
+ viafb_second_size * 1024 * 1024;
+ } else {
+ u.viasamm.size_prim =
+ viaparinfo->fbmem_free >> 1;
+ u.viasamm.size_sec =
+ (viaparinfo->fbmem_free >> 1);
+ }
+ }
+ u.viasamm.mem_base = viaparinfo->fbmem;
+ u.viasamm.offset_sec = viafb_second_offset;
+ } else {
+ u.viasamm.size_prim =
+ viaparinfo->memsize - viaparinfo->fbmem_used;
+ u.viasamm.size_sec = 0;
+ u.viasamm.mem_base = viaparinfo->fbmem;
+ u.viasamm.offset_sec = 0;
+ }
+
+ if (copy_to_user(argp, &u.viasamm, sizeof(u.viasamm)))
+ return -EFAULT;
+
+ break;
+ case VIAFB_TURN_ON_OUTPUT_DEVICE:
+ if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
+ return -EFAULT;
+ if (gpu32 & CRT_Device)
+ via_set_state(VIA_CRT, VIA_STATE_ON);
+ if (gpu32 & DVI_Device)
+ viafb_dvi_enable();
+ if (gpu32 & LCD_Device)
+ viafb_lcd_enable();
+ break;
+ case VIAFB_TURN_OFF_OUTPUT_DEVICE:
+ if (copy_from_user(&gpu32, argp, sizeof(gpu32)))
+ return -EFAULT;
+ if (gpu32 & CRT_Device)
+ via_set_state(VIA_CRT, VIA_STATE_OFF);
+ if (gpu32 & DVI_Device)
+ viafb_dvi_disable();
+ if (gpu32 & LCD_Device)
+ viafb_lcd_disable();
+ break;
+ case VIAFB_GET_DEVICE:
+ u.active_dev.crt = viafb_CRT_ON;
+ u.active_dev.dvi = viafb_DVI_ON;
+ u.active_dev.lcd = viafb_LCD_ON;
+ u.active_dev.samm = viafb_SAMM_ON;
+ u.active_dev.primary_dev = viafb_primary_dev;
+
+ u.active_dev.lcd_dsp_cent = viafb_lcd_dsp_method;
+ u.active_dev.lcd_panel_id = viafb_lcd_panel_id;
+ u.active_dev.lcd_mode = viafb_lcd_mode;
+
+ u.active_dev.xres = viafb_hotplug_Xres;
+ u.active_dev.yres = viafb_hotplug_Yres;
+
+ u.active_dev.xres1 = viafb_second_xres;
+ u.active_dev.yres1 = viafb_second_yres;
+
+ u.active_dev.bpp = viafb_bpp;
+ u.active_dev.bpp1 = viafb_bpp1;
+ u.active_dev.refresh = viafb_refresh;
+ u.active_dev.refresh1 = viafb_refresh1;
+
+ u.active_dev.epia_dvi = viafb_platform_epia_dvi;
+ u.active_dev.lcd_dual_edge = viafb_device_lcd_dualedge;
+ u.active_dev.bus_width = viafb_bus_width;
+
+ if (copy_to_user(argp, &u.active_dev, sizeof(u.active_dev)))
+ return -EFAULT;
+ break;
+
+ case VIAFB_GET_DRIVER_VERSION:
+ u.driver_version.iMajorNum = VERSION_MAJOR;
+ u.driver_version.iKernelNum = VERSION_KERNEL;
+ u.driver_version.iOSNum = VERSION_OS;
+ u.driver_version.iMinorNum = VERSION_MINOR;
+
+ if (copy_to_user(argp, &u.driver_version,
+ sizeof(u.driver_version)))
+ return -EFAULT;
+
+ break;
+
+ case VIAFB_GET_DEVICE_INFO:
+
+ retrieve_device_setting(&u.viafb_setting);
+
+ if (copy_to_user(argp, &u.viafb_setting,
+ sizeof(u.viafb_setting)))
+ return -EFAULT;
+
+ break;
+
+ case VIAFB_GET_DEVICE_SUPPORT:
+ viafb_get_device_support_state(&state_info);
+ if (put_user(state_info, argp))
+ return -EFAULT;
+ break;
+
+ case VIAFB_GET_DEVICE_CONNECT:
+ viafb_get_device_connect_state(&state_info);
+ if (put_user(state_info, argp))
+ return -EFAULT;
+ break;
+
+ case VIAFB_GET_PANEL_SUPPORT_EXPAND:
+ state_info =
+ viafb_lcd_get_support_expand_state(info->var.xres,
+ info->var.yres);
+ if (put_user(state_info, argp))
+ return -EFAULT;
+ break;
+
+ case VIAFB_GET_DRIVER_NAME:
+ if (copy_to_user(argp, driver_name, sizeof(driver_name)))
+ return -EFAULT;
+ break;
+
+ case VIAFB_SET_GAMMA_LUT:
+ viafb_gamma_table = memdup_user(argp, 256 * sizeof(u32));
+ if (IS_ERR(viafb_gamma_table))
+ return PTR_ERR(viafb_gamma_table);
+ viafb_set_gamma_table(viafb_bpp, viafb_gamma_table);
+ kfree(viafb_gamma_table);
+ break;
+
+ case VIAFB_GET_GAMMA_LUT:
+ viafb_gamma_table = kmalloc(256 * sizeof(u32), GFP_KERNEL);
+ if (!viafb_gamma_table)
+ return -ENOMEM;
+ viafb_get_gamma_table(viafb_gamma_table);
+ if (copy_to_user(argp, viafb_gamma_table,
+ 256 * sizeof(u32))) {
+ kfree(viafb_gamma_table);
+ return -EFAULT;
+ }
+ kfree(viafb_gamma_table);
+ break;
+
+ case VIAFB_GET_GAMMA_SUPPORT_STATE:
+ viafb_get_gamma_support_state(viafb_bpp, &state_info);
+ if (put_user(state_info, argp))
+ return -EFAULT;
+ break;
+ case VIAFB_SYNC_SURFACE:
+ DEBUG_MSG(KERN_INFO "lobo VIAFB_SYNC_SURFACE\n");
+ break;
+ case VIAFB_GET_DRIVER_CAPS:
+ break;
+
+ case VIAFB_GET_PANEL_MAX_SIZE:
+ if (copy_from_user(&u.panel_pos_size_para, argp,
+ sizeof(u.panel_pos_size_para)))
+ return -EFAULT;
+ u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
+ if (copy_to_user(argp, &u.panel_pos_size_para,
+ sizeof(u.panel_pos_size_para)))
+ return -EFAULT;
+ break;
+ case VIAFB_GET_PANEL_MAX_POSITION:
+ if (copy_from_user(&u.panel_pos_size_para, argp,
+ sizeof(u.panel_pos_size_para)))
+ return -EFAULT;
+ u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
+ if (copy_to_user(argp, &u.panel_pos_size_para,
+ sizeof(u.panel_pos_size_para)))
+ return -EFAULT;
+ break;
+
+ case VIAFB_GET_PANEL_POSITION:
+ if (copy_from_user(&u.panel_pos_size_para, argp,
+ sizeof(u.panel_pos_size_para)))
+ return -EFAULT;
+ u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
+ if (copy_to_user(argp, &u.panel_pos_size_para,
+ sizeof(u.panel_pos_size_para)))
+ return -EFAULT;
+ break;
+ case VIAFB_GET_PANEL_SIZE:
+ if (copy_from_user(&u.panel_pos_size_para, argp,
+ sizeof(u.panel_pos_size_para)))
+ return -EFAULT;
+ u.panel_pos_size_para.x = u.panel_pos_size_para.y = 0;
+ if (copy_to_user(argp, &u.panel_pos_size_para,
+ sizeof(u.panel_pos_size_para)))
+ return -EFAULT;
+ break;
+
+ case VIAFB_SET_PANEL_POSITION:
+ if (copy_from_user(&u.panel_pos_size_para, argp,
+ sizeof(u.panel_pos_size_para)))
+ return -EFAULT;
+ break;
+ case VIAFB_SET_PANEL_SIZE:
+ if (copy_from_user(&u.panel_pos_size_para, argp,
+ sizeof(u.panel_pos_size_para)))
+ return -EFAULT;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void viafb_fillrect(struct fb_info *info,
+ const struct fb_fillrect *rect)
+{
+ struct viafb_par *viapar = info->par;
+ struct viafb_shared *shared = viapar->shared;
+ u32 fg_color;
+ u8 rop;
+
+ if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
+ cfb_fillrect(info, rect);
+ return;
+ }
+
+ if (!rect->width || !rect->height)
+ return;
+
+ if (info->fix.visual == FB_VISUAL_TRUECOLOR)
+ fg_color = ((u32 *)info->pseudo_palette)[rect->color];
+ else
+ fg_color = rect->color;
+
+ if (rect->rop == ROP_XOR)
+ rop = 0x5A;
+ else
+ rop = 0xF0;
+
+ DEBUG_MSG(KERN_DEBUG "viafb 2D engine: fillrect\n");
+ if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_FILL,
+ rect->width, rect->height, info->var.bits_per_pixel,
+ viapar->vram_addr, info->fix.line_length, rect->dx, rect->dy,
+ NULL, 0, 0, 0, 0, fg_color, 0, rop))
+ cfb_fillrect(info, rect);
+}
+
+static void viafb_copyarea(struct fb_info *info,
+ const struct fb_copyarea *area)
+{
+ struct viafb_par *viapar = info->par;
+ struct viafb_shared *shared = viapar->shared;
+
+ if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt) {
+ cfb_copyarea(info, area);
+ return;
+ }
+
+ if (!area->width || !area->height)
+ return;
+
+ DEBUG_MSG(KERN_DEBUG "viafb 2D engine: copyarea\n");
+ if (shared->hw_bitblt(shared->vdev->engine_mmio, VIA_BITBLT_COLOR,
+ area->width, area->height, info->var.bits_per_pixel,
+ viapar->vram_addr, info->fix.line_length, area->dx, area->dy,
+ NULL, viapar->vram_addr, info->fix.line_length,
+ area->sx, area->sy, 0, 0, 0))
+ cfb_copyarea(info, area);
+}
+
+static void viafb_imageblit(struct fb_info *info,
+ const struct fb_image *image)
+{
+ struct viafb_par *viapar = info->par;
+ struct viafb_shared *shared = viapar->shared;
+ u32 fg_color = 0, bg_color = 0;
+ u8 op;
+
+ if (info->flags & FBINFO_HWACCEL_DISABLED || !shared->hw_bitblt ||
+ (image->depth != 1 && image->depth != viapar->depth)) {
+ cfb_imageblit(info, image);
+ return;
+ }
+
+ if (image->depth == 1) {
+ op = VIA_BITBLT_MONO;
+ if (info->fix.visual == FB_VISUAL_TRUECOLOR) {
+ fg_color =
+ ((u32 *)info->pseudo_palette)[image->fg_color];
+ bg_color =
+ ((u32 *)info->pseudo_palette)[image->bg_color];
+ } else {
+ fg_color = image->fg_color;
+ bg_color = image->bg_color;
+ }
+ } else
+ op = VIA_BITBLT_COLOR;
+
+ DEBUG_MSG(KERN_DEBUG "viafb 2D engine: imageblit\n");
+ if (shared->hw_bitblt(shared->vdev->engine_mmio, op,
+ image->width, image->height, info->var.bits_per_pixel,
+ viapar->vram_addr, info->fix.line_length, image->dx, image->dy,
+ (u32 *)image->data, 0, 0, 0, 0, fg_color, bg_color, 0))
+ cfb_imageblit(info, image);
+}
+
+static int viafb_cursor(struct fb_info *info, struct fb_cursor *cursor)
+{
+ struct viafb_par *viapar = info->par;
+ void __iomem *engine = viapar->shared->vdev->engine_mmio;
+ u32 temp, xx, yy, bg_color = 0, fg_color = 0,
+ chip_name = viapar->shared->chip_info.gfx_chip_name;
+ int i, j = 0, cur_size = 64;
+
+ if (info->flags & FBINFO_HWACCEL_DISABLED || info != viafbinfo)
+ return -ENODEV;
+
+ /* LCD ouput does not support hw cursors (at least on VN896) */
+ if ((chip_name == UNICHROME_CLE266 && viapar->iga_path == IGA2) ||
+ viafb_LCD_ON)
+ return -ENODEV;
+
+ viafb_show_hw_cursor(info, HW_Cursor_OFF);
+
+ if (cursor->set & FB_CUR_SETHOT) {
+ temp = (cursor->hot.x << 16) + cursor->hot.y;
+ writel(temp, engine + VIA_REG_CURSOR_ORG);
+ }
+
+ if (cursor->set & FB_CUR_SETPOS) {
+ yy = cursor->image.dy - info->var.yoffset;
+ xx = cursor->image.dx - info->var.xoffset;
+ temp = yy & 0xFFFF;
+ temp |= (xx << 16);
+ writel(temp, engine + VIA_REG_CURSOR_POS);
+ }
+
+ if (cursor->image.width <= 32 && cursor->image.height <= 32)
+ cur_size = 32;
+ else if (cursor->image.width <= 64 && cursor->image.height <= 64)
+ cur_size = 64;
+ else {
+ printk(KERN_WARNING "viafb_cursor: The cursor is too large "
+ "%dx%d", cursor->image.width, cursor->image.height);
+ return -ENXIO;
+ }
+
+ if (cursor->set & FB_CUR_SETSIZE) {
+ temp = readl(engine + VIA_REG_CURSOR_MODE);
+ if (cur_size == 32)
+ temp |= 0x2;
+ else
+ temp &= ~0x2;
+
+ writel(temp, engine + VIA_REG_CURSOR_MODE);
+ }
+
+ if (cursor->set & FB_CUR_SETCMAP) {
+ fg_color = cursor->image.fg_color;
+ bg_color = cursor->image.bg_color;
+ if (chip_name == UNICHROME_CX700 ||
+ chip_name == UNICHROME_VX800 ||
+ chip_name == UNICHROME_VX855 ||
+ chip_name == UNICHROME_VX900) {
+ fg_color =
+ ((info->cmap.red[fg_color] & 0xFFC0) << 14) |
+ ((info->cmap.green[fg_color] & 0xFFC0) << 4) |
+ ((info->cmap.blue[fg_color] & 0xFFC0) >> 6);
+ bg_color =
+ ((info->cmap.red[bg_color] & 0xFFC0) << 14) |
+ ((info->cmap.green[bg_color] & 0xFFC0) << 4) |
+ ((info->cmap.blue[bg_color] & 0xFFC0) >> 6);
+ } else {
+ fg_color =
+ ((info->cmap.red[fg_color] & 0xFF00) << 8) |
+ (info->cmap.green[fg_color] & 0xFF00) |
+ ((info->cmap.blue[fg_color] & 0xFF00) >> 8);
+ bg_color =
+ ((info->cmap.red[bg_color] & 0xFF00) << 8) |
+ (info->cmap.green[bg_color] & 0xFF00) |
+ ((info->cmap.blue[bg_color] & 0xFF00) >> 8);
+ }
+
+ writel(bg_color, engine + VIA_REG_CURSOR_BG);
+ writel(fg_color, engine + VIA_REG_CURSOR_FG);
+ }
+
+ if (cursor->set & FB_CUR_SETSHAPE) {
+ struct {
+ u8 data[CURSOR_SIZE];
+ u32 bak[CURSOR_SIZE / 4];
+ } *cr_data = kzalloc(sizeof(*cr_data), GFP_ATOMIC);
+ int size = ((cursor->image.width + 7) >> 3) *
+ cursor->image.height;
+
+ if (!cr_data)
+ return -ENOMEM;
+
+ if (cur_size == 32) {
+ for (i = 0; i < (CURSOR_SIZE / 4); i++) {
+ cr_data->bak[i] = 0x0;
+ cr_data->bak[i + 1] = 0xFFFFFFFF;
+ i += 1;
+ }
+ } else {
+ for (i = 0; i < (CURSOR_SIZE / 4); i++) {
+ cr_data->bak[i] = 0x0;
+ cr_data->bak[i + 1] = 0x0;
+ cr_data->bak[i + 2] = 0xFFFFFFFF;
+ cr_data->bak[i + 3] = 0xFFFFFFFF;
+ i += 3;
+ }
+ }
+
+ switch (cursor->rop) {
+ case ROP_XOR:
+ for (i = 0; i < size; i++)
+ cr_data->data[i] = cursor->mask[i];
+ break;
+ case ROP_COPY:
+
+ for (i = 0; i < size; i++)
+ cr_data->data[i] = cursor->mask[i];
+ break;
+ default:
+ break;
+ }
+
+ if (cur_size == 32) {
+ for (i = 0; i < size; i++) {
+ cr_data->bak[j] = (u32) cr_data->data[i];
+ cr_data->bak[j + 1] = ~cr_data->bak[j];
+ j += 2;
+ }
+ } else {
+ for (i = 0; i < size; i++) {
+ cr_data->bak[j] = (u32) cr_data->data[i];
+ cr_data->bak[j + 1] = 0x0;
+ cr_data->bak[j + 2] = ~cr_data->bak[j];
+ cr_data->bak[j + 3] = ~cr_data->bak[j + 1];
+ j += 4;
+ }
+ }
+
+ memcpy_toio(viafbinfo->screen_base + viapar->shared->
+ cursor_vram_addr, cr_data->bak, CURSOR_SIZE);
+ kfree(cr_data);
+ }
+
+ if (cursor->enable)
+ viafb_show_hw_cursor(info, HW_Cursor_ON);
+
+ return 0;
+}
+
+static int viafb_sync(struct fb_info *info)
+{
+ if (!(info->flags & FBINFO_HWACCEL_DISABLED))
+ viafb_wait_engine_idle(info);
+ return 0;
+}
+
+static int get_primary_device(void)
+{
+ int primary_device = 0;
+ /* Rule: device on iga1 path are the primary device. */
+ if (viafb_SAMM_ON) {
+ if (viafb_CRT_ON) {
+ if (viaparinfo->shared->iga1_devices & VIA_CRT) {
+ DEBUG_MSG(KERN_INFO "CRT IGA Path:%d\n", IGA1);
+ primary_device = CRT_Device;
+ }
+ }
+ if (viafb_DVI_ON) {
+ if (viaparinfo->tmds_setting_info->iga_path == IGA1) {
+ DEBUG_MSG(KERN_INFO "DVI IGA Path:%d\n",
+ viaparinfo->
+ tmds_setting_info->iga_path);
+ primary_device = DVI_Device;
+ }
+ }
+ if (viafb_LCD_ON) {
+ if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
+ DEBUG_MSG(KERN_INFO "LCD IGA Path:%d\n",
+ viaparinfo->
+ lvds_setting_info->iga_path);
+ primary_device = LCD_Device;
+ }
+ }
+ if (viafb_LCD2_ON) {
+ if (viaparinfo->lvds_setting_info2->iga_path == IGA1) {
+ DEBUG_MSG(KERN_INFO "LCD2 IGA Path:%d\n",
+ viaparinfo->
+ lvds_setting_info2->iga_path);
+ primary_device = LCD2_Device;
+ }
+ }
+ }
+ return primary_device;
+}
+
+static void retrieve_device_setting(struct viafb_ioctl_setting
+ *setting_info)
+{
+
+ /* get device status */
+ if (viafb_CRT_ON == 1)
+ setting_info->device_status = CRT_Device;
+ if (viafb_DVI_ON == 1)
+ setting_info->device_status |= DVI_Device;
+ if (viafb_LCD_ON == 1)
+ setting_info->device_status |= LCD_Device;
+ if (viafb_LCD2_ON == 1)
+ setting_info->device_status |= LCD2_Device;
+
+ setting_info->samm_status = viafb_SAMM_ON;
+ setting_info->primary_device = get_primary_device();
+
+ setting_info->first_dev_bpp = viafb_bpp;
+ setting_info->second_dev_bpp = viafb_bpp1;
+
+ setting_info->first_dev_refresh = viafb_refresh;
+ setting_info->second_dev_refresh = viafb_refresh1;
+
+ setting_info->first_dev_hor_res = viafb_hotplug_Xres;
+ setting_info->first_dev_ver_res = viafb_hotplug_Yres;
+ setting_info->second_dev_hor_res = viafb_second_xres;
+ setting_info->second_dev_ver_res = viafb_second_yres;
+
+ /* Get lcd attributes */
+ setting_info->lcd_attributes.display_center = viafb_lcd_dsp_method;
+ setting_info->lcd_attributes.panel_id = viafb_lcd_panel_id;
+ setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
+}
+
+static int __init parse_active_dev(void)
+{
+ viafb_CRT_ON = STATE_OFF;
+ viafb_DVI_ON = STATE_OFF;
+ viafb_LCD_ON = STATE_OFF;
+ viafb_LCD2_ON = STATE_OFF;
+ /* 1. Modify the active status of devices. */
+ /* 2. Keep the order of devices, so we can set corresponding
+ IGA path to devices in SAMM case. */
+ /* Note: The previous of active_dev is primary device,
+ and the following is secondary device. */
+ if (!viafb_active_dev) {
+ if (machine_is_olpc()) { /* LCD only */
+ viafb_LCD_ON = STATE_ON;
+ viafb_SAMM_ON = STATE_OFF;
+ } else {
+ viafb_CRT_ON = STATE_ON;
+ viafb_SAMM_ON = STATE_OFF;
+ }
+ } else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
+ /* CRT+DVI */
+ viafb_CRT_ON = STATE_ON;
+ viafb_DVI_ON = STATE_ON;
+ viafb_primary_dev = CRT_Device;
+ } else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
+ /* DVI+CRT */
+ viafb_CRT_ON = STATE_ON;
+ viafb_DVI_ON = STATE_ON;
+ viafb_primary_dev = DVI_Device;
+ } else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
+ /* CRT+LCD */
+ viafb_CRT_ON = STATE_ON;
+ viafb_LCD_ON = STATE_ON;
+ viafb_primary_dev = CRT_Device;
+ } else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
+ /* LCD+CRT */
+ viafb_CRT_ON = STATE_ON;
+ viafb_LCD_ON = STATE_ON;
+ viafb_primary_dev = LCD_Device;
+ } else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
+ /* DVI+LCD */
+ viafb_DVI_ON = STATE_ON;
+ viafb_LCD_ON = STATE_ON;
+ viafb_primary_dev = DVI_Device;
+ } else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
+ /* LCD+DVI */
+ viafb_DVI_ON = STATE_ON;
+ viafb_LCD_ON = STATE_ON;
+ viafb_primary_dev = LCD_Device;
+ } else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
+ viafb_LCD_ON = STATE_ON;
+ viafb_LCD2_ON = STATE_ON;
+ viafb_primary_dev = LCD_Device;
+ } else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
+ viafb_LCD_ON = STATE_ON;
+ viafb_LCD2_ON = STATE_ON;
+ viafb_primary_dev = LCD2_Device;
+ } else if (!strcmp(viafb_active_dev, "CRT")) {
+ /* CRT only */
+ viafb_CRT_ON = STATE_ON;
+ viafb_SAMM_ON = STATE_OFF;
+ } else if (!strcmp(viafb_active_dev, "DVI")) {
+ /* DVI only */
+ viafb_DVI_ON = STATE_ON;
+ viafb_SAMM_ON = STATE_OFF;
+ } else if (!strcmp(viafb_active_dev, "LCD")) {
+ /* LCD only */
+ viafb_LCD_ON = STATE_ON;
+ viafb_SAMM_ON = STATE_OFF;
+ } else
+ return -EINVAL;
+
+ return 0;
+}
+
+static int parse_port(char *opt_str, int *output_interface)
+{
+ if (!strncmp(opt_str, "DVP0", 4))
+ *output_interface = INTERFACE_DVP0;
+ else if (!strncmp(opt_str, "DVP1", 4))
+ *output_interface = INTERFACE_DVP1;
+ else if (!strncmp(opt_str, "DFP_HIGHLOW", 11))
+ *output_interface = INTERFACE_DFP;
+ else if (!strncmp(opt_str, "DFP_HIGH", 8))
+ *output_interface = INTERFACE_DFP_HIGH;
+ else if (!strncmp(opt_str, "DFP_LOW", 7))
+ *output_interface = INTERFACE_DFP_LOW;
+ else
+ *output_interface = INTERFACE_NONE;
+ return 0;
+}
+
+static void parse_lcd_port(void)
+{
+ parse_port(viafb_lcd_port, &viaparinfo->chip_info->lvds_chip_info.
+ output_interface);
+ /*Initialize to avoid unexpected behavior */
+ viaparinfo->chip_info->lvds_chip_info2.output_interface =
+ INTERFACE_NONE;
+
+ DEBUG_MSG(KERN_INFO "parse_lcd_port: viafb_lcd_port:%s,interface:%d\n",
+ viafb_lcd_port, viaparinfo->chip_info->lvds_chip_info.
+ output_interface);
+}
+
+static void parse_dvi_port(void)
+{
+ parse_port(viafb_dvi_port, &viaparinfo->chip_info->tmds_chip_info.
+ output_interface);
+
+ DEBUG_MSG(KERN_INFO "parse_dvi_port: viafb_dvi_port:%s,interface:%d\n",
+ viafb_dvi_port, viaparinfo->chip_info->tmds_chip_info.
+ output_interface);
+}
+
+#ifdef CONFIG_FB_VIA_DIRECT_PROCFS
+
+/*
+ * The proc filesystem read/write function, a simple proc implement to
+ * get/set the value of DPA DVP0, DVP0DataDriving, DVP0ClockDriving, DVP1,
+ * DVP1Driving, DFPHigh, DFPLow CR96, SR2A[5], SR1B[1], SR2A[4], SR1E[2],
+ * CR9B, SR65, CR97, CR99
+ */
+static int viafb_dvp0_proc_show(struct seq_file *m, void *v)
+{
+ u8 dvp0_data_dri = 0, dvp0_clk_dri = 0, dvp0 = 0;
+ dvp0_data_dri =
+ (viafb_read_reg(VIASR, SR2A) & BIT5) >> 4 |
+ (viafb_read_reg(VIASR, SR1B) & BIT1) >> 1;
+ dvp0_clk_dri =
+ (viafb_read_reg(VIASR, SR2A) & BIT4) >> 3 |
+ (viafb_read_reg(VIASR, SR1E) & BIT2) >> 2;
+ dvp0 = viafb_read_reg(VIACR, CR96) & 0x0f;
+ seq_printf(m, "%x %x %x\n", dvp0, dvp0_data_dri, dvp0_clk_dri);
+ return 0;
+}
+
+static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, viafb_dvp0_proc_show, NULL);
+}
+
+static ssize_t viafb_dvp0_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
+{
+ char buf[20], *value, *pbuf;
+ u8 reg_val = 0;
+ unsigned long length, i;
+ if (count < 1)
+ return -EINVAL;
+ length = count > 20 ? 20 : count;
+ if (copy_from_user(&buf[0], buffer, length))
+ return -EFAULT;
+ buf[length - 1] = '\0'; /*Ensure end string */
+ pbuf = &buf[0];
+ for (i = 0; i < 3; i++) {
+ value = strsep(&pbuf, " ");
+ if (value != NULL) {
+ if (kstrtou8(value, 0, &reg_val) < 0)
+ return -EINVAL;
+ DEBUG_MSG(KERN_INFO "DVP0:reg_val[%l]=:%x\n", i,
+ reg_val);
+ switch (i) {
+ case 0:
+ viafb_write_reg_mask(CR96, VIACR,
+ reg_val, 0x0f);
+ break;
+ case 1:
+ viafb_write_reg_mask(SR2A, VIASR,
+ reg_val << 4, BIT5);
+ viafb_write_reg_mask(SR1B, VIASR,
+ reg_val << 1, BIT1);
+ break;
+ case 2:
+ viafb_write_reg_mask(SR2A, VIASR,
+ reg_val << 3, BIT4);
+ viafb_write_reg_mask(SR1E, VIASR,
+ reg_val << 2, BIT2);
+ break;
+ default:
+ break;
+ }
+ } else {
+ break;
+ }
+ }
+ return count;
+}
+
+static const struct file_operations viafb_dvp0_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = viafb_dvp0_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = viafb_dvp0_proc_write,
+};
+
+static int viafb_dvp1_proc_show(struct seq_file *m, void *v)
+{
+ u8 dvp1 = 0, dvp1_data_dri = 0, dvp1_clk_dri = 0;
+ dvp1 = viafb_read_reg(VIACR, CR9B) & 0x0f;
+ dvp1_data_dri = (viafb_read_reg(VIASR, SR65) & 0x0c) >> 2;
+ dvp1_clk_dri = viafb_read_reg(VIASR, SR65) & 0x03;
+ seq_printf(m, "%x %x %x\n", dvp1, dvp1_data_dri, dvp1_clk_dri);
+ return 0;
+}
+
+static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, viafb_dvp1_proc_show, NULL);
+}
+
+static ssize_t viafb_dvp1_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
+{
+ char buf[20], *value, *pbuf;
+ u8 reg_val = 0;
+ unsigned long length, i;
+ if (count < 1)
+ return -EINVAL;
+ length = count > 20 ? 20 : count;
+ if (copy_from_user(&buf[0], buffer, length))
+ return -EFAULT;
+ buf[length - 1] = '\0'; /*Ensure end string */
+ pbuf = &buf[0];
+ for (i = 0; i < 3; i++) {
+ value = strsep(&pbuf, " ");
+ if (value != NULL) {
+ if (kstrtou8(value, 0, &reg_val) < 0)
+ return -EINVAL;
+ switch (i) {
+ case 0:
+ viafb_write_reg_mask(CR9B, VIACR,
+ reg_val, 0x0f);
+ break;
+ case 1:
+ viafb_write_reg_mask(SR65, VIASR,
+ reg_val << 2, 0x0c);
+ break;
+ case 2:
+ viafb_write_reg_mask(SR65, VIASR,
+ reg_val, 0x03);
+ break;
+ default:
+ break;
+ }
+ } else {
+ break;
+ }
+ }
+ return count;
+}
+
+static const struct file_operations viafb_dvp1_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = viafb_dvp1_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = viafb_dvp1_proc_write,
+};
+
+static int viafb_dfph_proc_show(struct seq_file *m, void *v)
+{
+ u8 dfp_high = 0;
+ dfp_high = viafb_read_reg(VIACR, CR97) & 0x0f;
+ seq_printf(m, "%x\n", dfp_high);
+ return 0;
+}
+
+static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, viafb_dfph_proc_show, NULL);
+}
+
+static ssize_t viafb_dfph_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
+{
+ int err;
+ u8 reg_val;
+ err = kstrtou8_from_user(buffer, count, 0, &reg_val);
+ if (err)
+ return err;
+
+ viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
+ return count;
+}
+
+static const struct file_operations viafb_dfph_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = viafb_dfph_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = viafb_dfph_proc_write,
+};
+
+static int viafb_dfpl_proc_show(struct seq_file *m, void *v)
+{
+ u8 dfp_low = 0;
+ dfp_low = viafb_read_reg(VIACR, CR99) & 0x0f;
+ seq_printf(m, "%x\n", dfp_low);
+ return 0;
+}
+
+static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, viafb_dfpl_proc_show, NULL);
+}
+
+static ssize_t viafb_dfpl_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
+{
+ int err;
+ u8 reg_val;
+ err = kstrtou8_from_user(buffer, count, 0, &reg_val);
+ if (err)
+ return err;
+
+ viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
+ return count;
+}
+
+static const struct file_operations viafb_dfpl_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = viafb_dfpl_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = viafb_dfpl_proc_write,
+};
+
+static int viafb_vt1636_proc_show(struct seq_file *m, void *v)
+{
+ u8 vt1636_08 = 0, vt1636_09 = 0;
+ switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
+ case VT1636_LVDS:
+ vt1636_08 =
+ viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
+ &viaparinfo->chip_info->lvds_chip_info, 0x08) & 0x0f;
+ vt1636_09 =
+ viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info,
+ &viaparinfo->chip_info->lvds_chip_info, 0x09) & 0x1f;
+ seq_printf(m, "%x %x\n", vt1636_08, vt1636_09);
+ break;
+ default:
+ break;
+ }
+ switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
+ case VT1636_LVDS:
+ vt1636_08 =
+ viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
+ &viaparinfo->chip_info->lvds_chip_info2, 0x08) & 0x0f;
+ vt1636_09 =
+ viafb_gpio_i2c_read_lvds(viaparinfo->lvds_setting_info2,
+ &viaparinfo->chip_info->lvds_chip_info2, 0x09) & 0x1f;
+ seq_printf(m, " %x %x\n", vt1636_08, vt1636_09);
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, viafb_vt1636_proc_show, NULL);
+}
+
+static ssize_t viafb_vt1636_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
+{
+ char buf[30], *value, *pbuf;
+ struct IODATA reg_val;
+ unsigned long length, i;
+ if (count < 1)
+ return -EINVAL;
+ length = count > 30 ? 30 : count;
+ if (copy_from_user(&buf[0], buffer, length))
+ return -EFAULT;
+ buf[length - 1] = '\0'; /*Ensure end string */
+ pbuf = &buf[0];
+ switch (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
+ case VT1636_LVDS:
+ for (i = 0; i < 2; i++) {
+ value = strsep(&pbuf, " ");
+ if (value != NULL) {
+ if (kstrtou8(value, 0, &reg_val.Data) < 0)
+ return -EINVAL;
+ switch (i) {
+ case 0:
+ reg_val.Index = 0x08;
+ reg_val.Mask = 0x0f;
+ viafb_gpio_i2c_write_mask_lvds
+ (viaparinfo->lvds_setting_info,
+ &viaparinfo->
+ chip_info->lvds_chip_info,
+ reg_val);
+ break;
+ case 1:
+ reg_val.Index = 0x09;
+ reg_val.Mask = 0x1f;
+ viafb_gpio_i2c_write_mask_lvds
+ (viaparinfo->lvds_setting_info,
+ &viaparinfo->
+ chip_info->lvds_chip_info,
+ reg_val);
+ break;
+ default:
+ break;
+ }
+ } else {
+ break;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+ switch (viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name) {
+ case VT1636_LVDS:
+ for (i = 0; i < 2; i++) {
+ value = strsep(&pbuf, " ");
+ if (value != NULL) {
+ if (kstrtou8(value, 0, &reg_val.Data) < 0)
+ return -EINVAL;
+ switch (i) {
+ case 0:
+ reg_val.Index = 0x08;
+ reg_val.Mask = 0x0f;
+ viafb_gpio_i2c_write_mask_lvds
+ (viaparinfo->lvds_setting_info2,
+ &viaparinfo->
+ chip_info->lvds_chip_info2,
+ reg_val);
+ break;
+ case 1:
+ reg_val.Index = 0x09;
+ reg_val.Mask = 0x1f;
+ viafb_gpio_i2c_write_mask_lvds
+ (viaparinfo->lvds_setting_info2,
+ &viaparinfo->
+ chip_info->lvds_chip_info2,
+ reg_val);
+ break;
+ default:
+ break;
+ }
+ } else {
+ break;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+ return count;
+}
+
+static const struct file_operations viafb_vt1636_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = viafb_vt1636_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = viafb_vt1636_proc_write,
+};
+
+#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
+
+static int viafb_sup_odev_proc_show(struct seq_file *m, void *v)
+{
+ via_odev_to_seq(m, supported_odev_map[
+ viaparinfo->shared->chip_info.gfx_chip_name]);
+ return 0;
+}
+
+static int viafb_sup_odev_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, viafb_sup_odev_proc_show, NULL);
+}
+
+static const struct file_operations viafb_sup_odev_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = viafb_sup_odev_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static ssize_t odev_update(const char __user *buffer, size_t count, u32 *odev)
+{
+ char buf[64], *ptr = buf;
+ u32 devices;
+ bool add, sub;
+
+ if (count < 1 || count > 63)
+ return -EINVAL;
+ if (copy_from_user(&buf[0], buffer, count))
+ return -EFAULT;
+ buf[count] = '\0';
+ add = buf[0] == '+';
+ sub = buf[0] == '-';
+ if (add || sub)
+ ptr++;
+ devices = via_parse_odev(ptr, &ptr);
+ if (*ptr == '\n')
+ ptr++;
+ if (*ptr != 0)
+ return -EINVAL;
+ if (add)
+ *odev |= devices;
+ else if (sub)
+ *odev &= ~devices;
+ else
+ *odev = devices;
+ return count;
+}
+
+static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
+{
+ via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
+ return 0;
+}
+
+static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, viafb_iga1_odev_proc_show, NULL);
+}
+
+static ssize_t viafb_iga1_odev_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
+{
+ u32 dev_on, dev_off, dev_old, dev_new;
+ ssize_t res;
+
+ dev_old = dev_new = viaparinfo->shared->iga1_devices;
+ res = odev_update(buffer, count, &dev_new);
+ if (res != count)
+ return res;
+ dev_off = dev_old & ~dev_new;
+ dev_on = dev_new & ~dev_old;
+ viaparinfo->shared->iga1_devices = dev_new;
+ viaparinfo->shared->iga2_devices &= ~dev_new;
+ via_set_state(dev_off, VIA_STATE_OFF);
+ via_set_source(dev_new, IGA1);
+ via_set_state(dev_on, VIA_STATE_ON);
+ return res;
+}
+
+static const struct file_operations viafb_iga1_odev_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = viafb_iga1_odev_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = viafb_iga1_odev_proc_write,
+};
+
+static int viafb_iga2_odev_proc_show(struct seq_file *m, void *v)
+{
+ via_odev_to_seq(m, viaparinfo->shared->iga2_devices);
+ return 0;
+}
+
+static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, viafb_iga2_odev_proc_show, NULL);
+}
+
+static ssize_t viafb_iga2_odev_proc_write(struct file *file,
+ const char __user *buffer, size_t count, loff_t *pos)
+{
+ u32 dev_on, dev_off, dev_old, dev_new;
+ ssize_t res;
+
+ dev_old = dev_new = viaparinfo->shared->iga2_devices;
+ res = odev_update(buffer, count, &dev_new);
+ if (res != count)
+ return res;
+ dev_off = dev_old & ~dev_new;
+ dev_on = dev_new & ~dev_old;
+ viaparinfo->shared->iga2_devices = dev_new;
+ viaparinfo->shared->iga1_devices &= ~dev_new;
+ via_set_state(dev_off, VIA_STATE_OFF);
+ via_set_source(dev_new, IGA2);
+ via_set_state(dev_on, VIA_STATE_ON);
+ return res;
+}
+
+static const struct file_operations viafb_iga2_odev_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = viafb_iga2_odev_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = viafb_iga2_odev_proc_write,
+};
+
+#define IS_VT1636(lvds_chip) ((lvds_chip).lvds_chip_name == VT1636_LVDS)
+static void viafb_init_proc(struct viafb_shared *shared)
+{
+ struct proc_dir_entry *iga1_entry, *iga2_entry,
+ *viafb_entry = proc_mkdir("viafb", NULL);
+
+ shared->proc_entry = viafb_entry;
+ if (viafb_entry) {
+#ifdef CONFIG_FB_VIA_DIRECT_PROCFS
+ proc_create("dvp0", 0, viafb_entry, &viafb_dvp0_proc_fops);
+ proc_create("dvp1", 0, viafb_entry, &viafb_dvp1_proc_fops);
+ proc_create("dfph", 0, viafb_entry, &viafb_dfph_proc_fops);
+ proc_create("dfpl", 0, viafb_entry, &viafb_dfpl_proc_fops);
+ if (IS_VT1636(shared->chip_info.lvds_chip_info)
+ || IS_VT1636(shared->chip_info.lvds_chip_info2))
+ proc_create("vt1636", 0, viafb_entry,
+ &viafb_vt1636_proc_fops);
+#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
+
+ proc_create("supported_output_devices", 0, viafb_entry,
+ &viafb_sup_odev_proc_fops);
+ iga1_entry = proc_mkdir("iga1", viafb_entry);
+ shared->iga1_proc_entry = iga1_entry;
+ proc_create("output_devices", 0, iga1_entry,
+ &viafb_iga1_odev_proc_fops);
+ iga2_entry = proc_mkdir("iga2", viafb_entry);
+ shared->iga2_proc_entry = iga2_entry;
+ proc_create("output_devices", 0, iga2_entry,
+ &viafb_iga2_odev_proc_fops);
+ }
+}
+static void viafb_remove_proc(struct viafb_shared *shared)
+{
+ struct proc_dir_entry *viafb_entry = shared->proc_entry,
+ *iga1_entry = shared->iga1_proc_entry,
+ *iga2_entry = shared->iga2_proc_entry;
+
+ if (!viafb_entry)
+ return;
+
+ remove_proc_entry("output_devices", iga2_entry);
+ remove_proc_entry("iga2", viafb_entry);
+ remove_proc_entry("output_devices", iga1_entry);
+ remove_proc_entry("iga1", viafb_entry);
+ remove_proc_entry("supported_output_devices", viafb_entry);
+
+#ifdef CONFIG_FB_VIA_DIRECT_PROCFS
+ remove_proc_entry("dvp0", viafb_entry);/* parent dir */
+ remove_proc_entry("dvp1", viafb_entry);
+ remove_proc_entry("dfph", viafb_entry);
+ remove_proc_entry("dfpl", viafb_entry);
+ if (IS_VT1636(shared->chip_info.lvds_chip_info)
+ || IS_VT1636(shared->chip_info.lvds_chip_info2))
+ remove_proc_entry("vt1636", viafb_entry);
+#endif /* CONFIG_FB_VIA_DIRECT_PROCFS */
+
+ remove_proc_entry("viafb", NULL);
+}
+#undef IS_VT1636
+
+static int parse_mode(const char *str, u32 devices, u32 *xres, u32 *yres)
+{
+ const struct fb_videomode *mode = NULL;
+ char *ptr;
+
+ if (!str) {
+ if (devices == VIA_CRT)
+ mode = via_aux_get_preferred_mode(
+ viaparinfo->shared->i2c_26);
+ else if (devices == VIA_DVP1)
+ mode = via_aux_get_preferred_mode(
+ viaparinfo->shared->i2c_31);
+
+ if (mode) {
+ *xres = mode->xres;
+ *yres = mode->yres;
+ } else if (machine_is_olpc()) {
+ *xres = 1200;
+ *yres = 900;
+ } else {
+ *xres = 640;
+ *yres = 480;
+ }
+ return 0;
+ }
+
+ *xres = simple_strtoul(str, &ptr, 10);
+ if (ptr[0] != 'x')
+ return -EINVAL;
+
+ *yres = simple_strtoul(&ptr[1], &ptr, 10);
+ if (ptr[0])
+ return -EINVAL;
+
+ return 0;
+}
+
+
+#ifdef CONFIG_PM
+static int viafb_suspend(void *unused)
+{
+ console_lock();
+ fb_set_suspend(viafbinfo, 1);
+ viafb_sync(viafbinfo);
+ console_unlock();
+
+ return 0;
+}
+
+static int viafb_resume(void *unused)
+{
+ console_lock();
+ if (viaparinfo->shared->vdev->engine_mmio)
+ viafb_reset_engine(viaparinfo);
+ viafb_set_par(viafbinfo);
+ if (viafb_dual_fb)
+ viafb_set_par(viafbinfo1);
+ fb_set_suspend(viafbinfo, 0);
+
+ console_unlock();
+ return 0;
+}
+
+static struct viafb_pm_hooks viafb_fb_pm_hooks = {
+ .suspend = viafb_suspend,
+ .resume = viafb_resume
+};
+
+#endif
+
+static void i2c_bus_probe(struct viafb_shared *shared)
+{
+ /* should be always CRT */
+ printk(KERN_INFO "viafb: Probing I2C bus 0x26\n");
+ shared->i2c_26 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_26));
+
+ /* seems to be usually DVP1 */
+ printk(KERN_INFO "viafb: Probing I2C bus 0x31\n");
+ shared->i2c_31 = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_31));
+
+ /* FIXME: what is this? */
+ if (!machine_is_olpc()) {
+ printk(KERN_INFO "viafb: Probing I2C bus 0x2C\n");
+ shared->i2c_2C = via_aux_probe(viafb_find_i2c_adapter(VIA_PORT_2C));
+ }
+
+ printk(KERN_INFO "viafb: Finished I2C bus probing");
+}
+
+static void i2c_bus_free(struct viafb_shared *shared)
+{
+ via_aux_free(shared->i2c_26);
+ via_aux_free(shared->i2c_31);
+ via_aux_free(shared->i2c_2C);
+}
+
+int via_fb_pci_probe(struct viafb_dev *vdev)
+{
+ u32 default_xres, default_yres;
+ struct fb_var_screeninfo default_var;
+ int rc;
+ u32 viafb_par_length;
+
+ DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
+ memset(&default_var, 0, sizeof(default_var));
+ viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
+
+ /* Allocate fb_info and ***_par here, also including some other needed
+ * variables
+ */
+ viafbinfo = framebuffer_alloc(viafb_par_length +
+ ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
+ &vdev->pdev->dev);
+ if (!viafbinfo) {
+ printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
+ return -ENOMEM;
+ }
+
+ viaparinfo = (struct viafb_par *)viafbinfo->par;
+ viaparinfo->shared = viafbinfo->par + viafb_par_length;
+ viaparinfo->shared->vdev = vdev;
+ viaparinfo->vram_addr = 0;
+ viaparinfo->tmds_setting_info = &viaparinfo->shared->tmds_setting_info;
+ viaparinfo->lvds_setting_info = &viaparinfo->shared->lvds_setting_info;
+ viaparinfo->lvds_setting_info2 =
+ &viaparinfo->shared->lvds_setting_info2;
+ viaparinfo->chip_info = &viaparinfo->shared->chip_info;
+
+ i2c_bus_probe(viaparinfo->shared);
+ if (viafb_dual_fb)
+ viafb_SAMM_ON = 1;
+ parse_lcd_port();
+ parse_dvi_port();
+
+ viafb_init_chip_info(vdev->chip_type);
+ /*
+ * The framebuffer will have been successfully mapped by
+ * the core (or we'd not be here), but we still need to
+ * set up our own accounting.
+ */
+ viaparinfo->fbmem = vdev->fbmem_start;
+ viaparinfo->memsize = vdev->fbmem_len;
+ viaparinfo->fbmem_free = viaparinfo->memsize;
+ viaparinfo->fbmem_used = 0;
+ viafbinfo->screen_base = vdev->fbmem;
+
+ viafbinfo->fix.mmio_start = vdev->engine_start;
+ viafbinfo->fix.mmio_len = vdev->engine_len;
+ viafbinfo->node = 0;
+ viafbinfo->fbops = &viafb_ops;
+ viafbinfo->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
+
+ viafbinfo->pseudo_palette = pseudo_pal;
+ if (viafb_accel && !viafb_setup_engine(viafbinfo)) {
+ viafbinfo->flags |= FBINFO_HWACCEL_COPYAREA |
+ FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_IMAGEBLIT;
+ default_var.accel_flags = FB_ACCELF_TEXT;
+ } else {
+ viafbinfo->flags |= FBINFO_HWACCEL_DISABLED;
+ default_var.accel_flags = 0;
+ }
+
+ if (viafb_second_size && (viafb_second_size < 8)) {
+ viafb_second_offset = viaparinfo->fbmem_free -
+ viafb_second_size * 1024 * 1024;
+ } else {
+ viafb_second_size = 8;
+ viafb_second_offset = viaparinfo->fbmem_free -
+ viafb_second_size * 1024 * 1024;
+ }
+
+ parse_mode(viafb_mode, viaparinfo->shared->iga1_devices,
+ &default_xres, &default_yres);
+ if (viafb_SAMM_ON == 1)
+ parse_mode(viafb_mode1, viaparinfo->shared->iga2_devices,
+ &viafb_second_xres, &viafb_second_yres);
+
+ default_var.xres = default_xres;
+ default_var.yres = default_yres;
+ default_var.xres_virtual = default_xres;
+ default_var.yres_virtual = default_yres;
+ default_var.bits_per_pixel = viafb_bpp;
+ viafb_fill_var_timing_info(&default_var, viafb_get_best_mode(
+ default_var.xres, default_var.yres, viafb_refresh));
+ viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
+ viafbinfo->var = default_var;
+
+ if (viafb_dual_fb) {
+ viafbinfo1 = framebuffer_alloc(viafb_par_length,
+ &vdev->pdev->dev);
+ if (!viafbinfo1) {
+ printk(KERN_ERR
+ "allocate the second framebuffer struct error\n");
+ rc = -ENOMEM;
+ goto out_fb_release;
+ }
+ viaparinfo1 = viafbinfo1->par;
+ memcpy(viaparinfo1, viaparinfo, viafb_par_length);
+ viaparinfo1->vram_addr = viafb_second_offset;
+ viaparinfo1->memsize = viaparinfo->memsize -
+ viafb_second_offset;
+ viaparinfo->memsize = viafb_second_offset;
+ viaparinfo1->fbmem = viaparinfo->fbmem + viafb_second_offset;
+
+ viaparinfo1->fbmem_used = viaparinfo->fbmem_used;
+ viaparinfo1->fbmem_free = viaparinfo1->memsize -
+ viaparinfo1->fbmem_used;
+ viaparinfo->fbmem_free = viaparinfo->memsize;
+ viaparinfo->fbmem_used = 0;
+
+ viaparinfo->iga_path = IGA1;
+ viaparinfo1->iga_path = IGA2;
+ memcpy(viafbinfo1, viafbinfo, sizeof(struct fb_info));
+ viafbinfo1->par = viaparinfo1;
+ viafbinfo1->screen_base = viafbinfo->screen_base +
+ viafb_second_offset;
+
+ default_var.xres = viafb_second_xres;
+ default_var.yres = viafb_second_yres;
+ default_var.xres_virtual = viafb_second_xres;
+ default_var.yres_virtual = viafb_second_yres;
+ default_var.bits_per_pixel = viafb_bpp1;
+ viafb_fill_var_timing_info(&default_var, viafb_get_best_mode(
+ default_var.xres, default_var.yres, viafb_refresh1));
+
+ viafb_setup_fixinfo(&viafbinfo1->fix, viaparinfo1);
+ viafb_check_var(&default_var, viafbinfo1);
+ viafbinfo1->var = default_var;
+ viafb_update_fix(viafbinfo1);
+ viaparinfo1->depth = fb_get_color_depth(&viafbinfo1->var,
+ &viafbinfo1->fix);
+ }
+
+ viafb_check_var(&viafbinfo->var, viafbinfo);
+ viafb_update_fix(viafbinfo);
+ viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
+ &viafbinfo->fix);
+ default_var.activate = FB_ACTIVATE_NOW;
+ rc = fb_alloc_cmap(&viafbinfo->cmap, 256, 0);
+ if (rc)
+ goto out_fb1_release;
+
+ if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
+ && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)) {
+ rc = register_framebuffer(viafbinfo1);
+ if (rc)
+ goto out_dealloc_cmap;
+ }
+ rc = register_framebuffer(viafbinfo);
+ if (rc)
+ goto out_fb1_unreg_lcd_cle266;
+
+ if (viafb_dual_fb && ((viafb_primary_dev != LCD_Device)
+ || (viaparinfo->chip_info->gfx_chip_name !=
+ UNICHROME_CLE266))) {
+ rc = register_framebuffer(viafbinfo1);
+ if (rc)
+ goto out_fb_unreg;
+ }
+ DEBUG_MSG(KERN_INFO "fb%d: %s frame buffer device %dx%d-%dbpp\n",
+ viafbinfo->node, viafbinfo->fix.id, default_var.xres,
+ default_var.yres, default_var.bits_per_pixel);
+
+ viafb_init_proc(viaparinfo->shared);
+ viafb_init_dac(IGA2);
+
+#ifdef CONFIG_PM
+ viafb_pm_register(&viafb_fb_pm_hooks);
+#endif
+ return 0;
+
+out_fb_unreg:
+ unregister_framebuffer(viafbinfo);
+out_fb1_unreg_lcd_cle266:
+ if (viafb_dual_fb && (viafb_primary_dev == LCD_Device)
+ && (viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266))
+ unregister_framebuffer(viafbinfo1);
+out_dealloc_cmap:
+ fb_dealloc_cmap(&viafbinfo->cmap);
+out_fb1_release:
+ framebuffer_release(viafbinfo1);
+out_fb_release:
+ i2c_bus_free(viaparinfo->shared);
+ framebuffer_release(viafbinfo);
+ return rc;
+}
+
+void via_fb_pci_remove(struct pci_dev *pdev)
+{
+ DEBUG_MSG(KERN_INFO "via_pci_remove!\n");
+ fb_dealloc_cmap(&viafbinfo->cmap);
+ unregister_framebuffer(viafbinfo);
+ if (viafb_dual_fb)
+ unregister_framebuffer(viafbinfo1);
+ viafb_remove_proc(viaparinfo->shared);
+ i2c_bus_free(viaparinfo->shared);
+ framebuffer_release(viafbinfo);
+ if (viafb_dual_fb)
+ framebuffer_release(viafbinfo1);
+}
+
+#ifndef MODULE
+static int __init viafb_setup(void)
+{
+ char *this_opt;
+ char *options;
+
+ DEBUG_MSG(KERN_INFO "viafb_setup!\n");
+
+ if (fb_get_options("viafb", &options))
+ return -ENODEV;
+
+ if (!options || !*options)
+ return 0;
+
+ while ((this_opt = strsep(&options, ",")) != NULL) {
+ if (!*this_opt)
+ continue;
+
+ if (!strncmp(this_opt, "viafb_mode1=", 12)) {
+ viafb_mode1 = kstrdup(this_opt + 12, GFP_KERNEL);
+ } else if (!strncmp(this_opt, "viafb_mode=", 11)) {
+ viafb_mode = kstrdup(this_opt + 11, GFP_KERNEL);
+ } else if (!strncmp(this_opt, "viafb_bpp1=", 11)) {
+ if (kstrtouint(this_opt + 11, 0, &viafb_bpp1) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt, "viafb_bpp=", 10)) {
+ if (kstrtouint(this_opt + 10, 0, &viafb_bpp) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt, "viafb_refresh1=", 15)) {
+ if (kstrtoint(this_opt + 15, 0, &viafb_refresh1) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt, "viafb_refresh=", 14)) {
+ if (kstrtoint(this_opt + 14, 0, &viafb_refresh) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt, "viafb_lcd_dsp_method=", 21)) {
+ if (kstrtoint(this_opt + 21, 0,
+ &viafb_lcd_dsp_method) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt, "viafb_lcd_panel_id=", 19)) {
+ if (kstrtoint(this_opt + 19, 0,
+ &viafb_lcd_panel_id) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt, "viafb_accel=", 12)) {
+ if (kstrtoint(this_opt + 12, 0, &viafb_accel) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt, "viafb_SAMM_ON=", 14)) {
+ if (kstrtoint(this_opt + 14, 0, &viafb_SAMM_ON) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt, "viafb_active_dev=", 17)) {
+ viafb_active_dev = kstrdup(this_opt + 17, GFP_KERNEL);
+ } else if (!strncmp(this_opt,
+ "viafb_display_hardware_layout=", 30)) {
+ if (kstrtoint(this_opt + 30, 0,
+ &viafb_display_hardware_layout) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt, "viafb_second_size=", 18)) {
+ if (kstrtoint(this_opt + 18, 0, &viafb_second_size) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt,
+ "viafb_platform_epia_dvi=", 24)) {
+ if (kstrtoint(this_opt + 24, 0,
+ &viafb_platform_epia_dvi) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt,
+ "viafb_device_lcd_dualedge=", 26)) {
+ if (kstrtoint(this_opt + 26, 0,
+ &viafb_device_lcd_dualedge) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt, "viafb_bus_width=", 16)) {
+ if (kstrtoint(this_opt + 16, 0, &viafb_bus_width) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt, "viafb_lcd_mode=", 15)) {
+ if (kstrtoint(this_opt + 15, 0, &viafb_lcd_mode) < 0)
+ return -EINVAL;
+ } else if (!strncmp(this_opt, "viafb_lcd_port=", 15)) {
+ viafb_lcd_port = kstrdup(this_opt + 15, GFP_KERNEL);
+ } else if (!strncmp(this_opt, "viafb_dvi_port=", 15)) {
+ viafb_dvi_port = kstrdup(this_opt + 15, GFP_KERNEL);
+ }
+ }
+ return 0;
+}
+#endif
+
+/*
+ * These are called out of via-core for now.
+ */
+int __init viafb_init(void)
+{
+ u32 dummy_x, dummy_y;
+ int r = 0;
+
+ if (machine_is_olpc())
+ /* Apply XO-1.5-specific configuration. */
+ viafb_lcd_panel_id = 23;
+
+#ifndef MODULE
+ r = viafb_setup();
+ if (r < 0)
+ return r;
+#endif
+ if (parse_mode(viafb_mode, 0, &dummy_x, &dummy_y)
+ || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh)
+ || parse_mode(viafb_mode1, 0, &dummy_x, &dummy_y)
+ || !viafb_get_best_mode(dummy_x, dummy_y, viafb_refresh1)
+ || viafb_bpp < 0 || viafb_bpp > 32
+ || viafb_bpp1 < 0 || viafb_bpp1 > 32
+ || parse_active_dev())
+ return -EINVAL;
+
+ printk(KERN_INFO
+ "VIA Graphics Integration Chipset framebuffer %d.%d initializing\n",
+ VERSION_MAJOR, VERSION_MINOR);
+ return r;
+}
+
+void __exit viafb_exit(void)
+{
+ DEBUG_MSG(KERN_INFO "viafb_exit!\n");
+}
+
+static struct fb_ops viafb_ops = {
+ .owner = THIS_MODULE,
+ .fb_open = viafb_open,
+ .fb_release = viafb_release,
+ .fb_check_var = viafb_check_var,
+ .fb_set_par = viafb_set_par,
+ .fb_setcolreg = viafb_setcolreg,
+ .fb_pan_display = viafb_pan_display,
+ .fb_blank = viafb_blank,
+ .fb_fillrect = viafb_fillrect,
+ .fb_copyarea = viafb_copyarea,
+ .fb_imageblit = viafb_imageblit,
+ .fb_cursor = viafb_cursor,
+ .fb_ioctl = viafb_ioctl,
+ .fb_sync = viafb_sync,
+};
+
+
+#ifdef MODULE
+module_param(viafb_mode, charp, S_IRUSR);
+MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
+
+module_param(viafb_mode1, charp, S_IRUSR);
+MODULE_PARM_DESC(viafb_mode1, "Set resolution (default=640x480)");
+
+module_param(viafb_bpp, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_bpp, "Set color depth (default=32bpp)");
+
+module_param(viafb_bpp1, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_bpp1, "Set color depth (default=32bpp)");
+
+module_param(viafb_refresh, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_refresh,
+ "Set CRT viafb_refresh rate (default = 60)");
+
+module_param(viafb_refresh1, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_refresh1,
+ "Set CRT refresh rate (default = 60)");
+
+module_param(viafb_lcd_panel_id, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_lcd_panel_id,
+ "Set Flat Panel type(Default=1024x768)");
+
+module_param(viafb_lcd_dsp_method, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_lcd_dsp_method,
+ "Set Flat Panel display scaling method.(Default=Expandsion)");
+
+module_param(viafb_SAMM_ON, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_SAMM_ON,
+ "Turn on/off flag of SAMM(Default=OFF)");
+
+module_param(viafb_accel, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_accel,
+ "Set 2D Hardware Acceleration: 0 = OFF, 1 = ON (default)");
+
+module_param(viafb_active_dev, charp, S_IRUSR);
+MODULE_PARM_DESC(viafb_active_dev, "Specify active devices.");
+
+module_param(viafb_display_hardware_layout, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_display_hardware_layout,
+ "Display Hardware Layout (LCD Only, DVI Only...,etc)");
+
+module_param(viafb_second_size, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_second_size,
+ "Set secondary device memory size");
+
+module_param(viafb_dual_fb, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_dual_fb,
+ "Turn on/off flag of dual framebuffer devices.(Default = OFF)");
+
+module_param(viafb_platform_epia_dvi, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_platform_epia_dvi,
+ "Turn on/off flag of DVI devices on EPIA board.(Default = OFF)");
+
+module_param(viafb_device_lcd_dualedge, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_device_lcd_dualedge,
+ "Turn on/off flag of dual edge panel.(Default = OFF)");
+
+module_param(viafb_bus_width, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_bus_width,
+ "Set bus width of panel.(Default = 12)");
+
+module_param(viafb_lcd_mode, int, S_IRUSR);
+MODULE_PARM_DESC(viafb_lcd_mode,
+ "Set Flat Panel mode(Default=OPENLDI)");
+
+module_param(viafb_lcd_port, charp, S_IRUSR);
+MODULE_PARM_DESC(viafb_lcd_port, "Specify LCD output port.");
+
+module_param(viafb_dvi_port, charp, S_IRUSR);
+MODULE_PARM_DESC(viafb_dvi_port, "Specify DVI output port.");
+
+MODULE_LICENSE("GPL");
+#endif