Release 4.7 drivers/video/fbdev/via/viafbdev.c
/*
* 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;
}
}
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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);
}
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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;
}
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static int viafb_open(struct fb_info *info, int user)
{
DEBUG_MSG(KERN_INFO "viafb_open!\n");
return 0;
}
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static int viafb_release(struct fb_info *info, int user)
{
DEBUG_MSG(KERN_INFO "viafb_release!\n");
return 0;
}
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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);
}
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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;
}
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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;
}
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/* 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;
}
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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;
}
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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;
}
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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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 1304 | 82.90% | 1 | 14.29% |
| bruno premont | bruno premont | 216 | 13.73% | 1 | 14.29% |
| florian tobias schandinat | florian tobias schandinat | 44 | 2.80% | 3 | 42.86% |
| julia lawall | julia lawall | 9 | 0.57% | 2 | 28.57% |
| Total | 1573 | 100.00% | 7 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 110 | 53.92% | 3 | 42.86% |
| joseph chan | joseph chan | 88 | 43.14% | 2 | 28.57% |
| hannes eder | hannes eder | 4 | 1.96% | 1 | 14.29% |
| jonathan corbet | jonathan corbet | 2 | 0.98% | 1 | 14.29% |
| Total | 204 | 100.00% | 7 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 77 | 49.04% | 3 | 42.86% |
| joseph chan | joseph chan | 74 | 47.13% | 2 | 28.57% |
| hannes eder | hannes eder | 4 | 2.55% | 1 | 14.29% |
| jonathan corbet | jonathan corbet | 2 | 1.27% | 1 | 14.29% |
| Total | 157 | 100.00% | 7 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 161 | 64.92% | 3 | 42.86% |
| joseph chan | joseph chan | 81 | 32.66% | 2 | 28.57% |
| hannes eder | hannes eder | 4 | 1.61% | 1 | 14.29% |
| jonathan corbet | jonathan corbet | 2 | 0.81% | 1 | 14.29% |
| Total | 248 | 100.00% | 7 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 719 | 68.28% | 2 | 18.18% |
| florian tobias schandinat | florian tobias schandinat | 230 | 21.84% | 6 | 54.55% |
| bruno premont | bruno premont | 98 | 9.31% | 1 | 9.09% |
| harald welte | harald welte | 4 | 0.38% | 1 | 9.09% |
| jonathan corbet | jonathan corbet | 2 | 0.19% | 1 | 9.09% |
| Total | 1053 | 100.00% | 11 | 100.00% |
static int viafb_sync(struct fb_info *info)
{
if (!(info->flags & FBINFO_HWACCEL_DISABLED))
viafb_wait_engine_idle(info);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 19 | 63.33% | 1 | 50.00% |
| florian tobias schandinat | florian tobias schandinat | 11 | 36.67% | 1 | 50.00% |
| Total | 30 | 100.00% | 2 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 79 | 50.97% | 1 | 25.00% |
| florian tobias schandinat | florian tobias schandinat | 76 | 49.03% | 3 | 75.00% |
| Total | 155 | 100.00% | 4 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 146 | 100.00% | 1 | 100.00% |
| Total | 146 | 100.00% | 1 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 287 | 83.92% | 1 | 25.00% |
| florian tobias schandinat | florian tobias schandinat | 36 | 10.53% | 2 | 50.00% |
| daniel drake | daniel drake | 19 | 5.56% | 1 | 25.00% |
| Total | 342 | 100.00% | 4 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 112 | 100.00% | 1 | 100.00% |
| Total | 112 | 100.00% | 1 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 49 | 100.00% | 1 | 100.00% |
| Total | 49 | 100.00% | 1 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 38 | 100.00% | 1 | 100.00% |
| Total | 38 | 100.00% | 1 | 100.00% |
#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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 103 | 92.79% | 1 | 50.00% |
| alexey dobriyan | alexey dobriyan | 8 | 7.21% | 1 | 50.00% |
| Total | 111 | 100.00% | 2 | 100.00% |
static int viafb_dvp0_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, viafb_dvp0_proc_show, NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| alexey dobriyan | alexey dobriyan | 24 | 92.31% | 1 | 50.00% |
| joseph chan | joseph chan | 2 | 7.69% | 1 | 50.00% |
| Total | 26 | 100.00% | 2 | 100.00% |
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, ®_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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 240 | 94.12% | 1 | 33.33% |
| wang shaoyan | wang shaoyan | 10 | 3.92% | 1 | 33.33% |
| alexey dobriyan | alexey dobriyan | 5 | 1.96% | 1 | 33.33% |
| Total | 255 | 100.00% | 3 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 73 | 90.12% | 1 | 50.00% |
| alexey dobriyan | alexey dobriyan | 8 | 9.88% | 1 | 50.00% |
| Total | 81 | 100.00% | 2 | 100.00% |
static int viafb_dvp1_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, viafb_dvp1_proc_show, NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| alexey dobriyan | alexey dobriyan | 24 | 92.31% | 1 | 50.00% |
| joseph chan | joseph chan | 2 | 7.69% | 1 | 50.00% |
| Total | 26 | 100.00% | 2 | 100.00% |
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, ®_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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 202 | 93.09% | 1 | 33.33% |
| wang shaoyan | wang shaoyan | 10 | 4.61% | 1 | 33.33% |
| alexey dobriyan | alexey dobriyan | 5 | 2.30% | 1 | 33.33% |
| Total | 217 | 100.00% | 3 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 35 | 81.40% | 1 | 50.00% |
| alexey dobriyan | alexey dobriyan | 8 | 18.60% | 1 | 50.00% |
| Total | 43 | 100.00% | 2 | 100.00% |
static int viafb_dfph_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, viafb_dfph_proc_show, NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| alexey dobriyan | alexey dobriyan | 24 | 92.31% | 1 | 50.00% |
| joseph chan | joseph chan | 2 | 7.69% | 1 | 50.00% |
| Total | 26 | 100.00% | 2 | 100.00% |
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, ®_val);
if (err)
return err;
viafb_write_reg_mask(CR97, VIACR, reg_val, 0x0f);
return count;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 47 | 72.31% | 1 | 25.00% |
| peter huewe | peter huewe | 10 | 15.38% | 1 | 25.00% |
| alexey dobriyan | alexey dobriyan | 5 | 7.69% | 1 | 25.00% |
| wang shaoyan | wang shaoyan | 3 | 4.62% | 1 | 25.00% |
| Total | 65 | 100.00% | 4 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 35 | 81.40% | 1 | 50.00% |
| alexey dobriyan | alexey dobriyan | 8 | 18.60% | 1 | 50.00% |
| Total | 43 | 100.00% | 2 | 100.00% |
static int viafb_dfpl_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, viafb_dfpl_proc_show, NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| alexey dobriyan | alexey dobriyan | 24 | 92.31% | 1 | 50.00% |
| joseph chan | joseph chan | 2 | 7.69% | 1 | 50.00% |
| Total | 26 | 100.00% | 2 | 100.00% |
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, ®_val);
if (err)
return err;
viafb_write_reg_mask(CR99, VIACR, reg_val, 0x0f);
return count;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 47 | 72.31% | 1 | 25.00% |
| peter huewe | peter huewe | 10 | 15.38% | 1 | 25.00% |
| alexey dobriyan | alexey dobriyan | 5 | 7.69% | 1 | 25.00% |
| wang shaoyan | wang shaoyan | 3 | 4.62% | 1 | 25.00% |
| Total | 65 | 100.00% | 4 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 155 | 93.94% | 1 | 50.00% |
| alexey dobriyan | alexey dobriyan | 10 | 6.06% | 1 | 50.00% |
| Total | 165 | 100.00% | 2 | 100.00% |
static int viafb_vt1636_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, viafb_vt1636_proc_show, NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| alexey dobriyan | alexey dobriyan | 24 | 92.31% | 1 | 50.00% |
| joseph chan | joseph chan | 2 | 7.69% | 1 | 50.00% |
| Total | 26 | 100.00% | 2 | 100.00% |
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, ®_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, ®_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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 375 | 93.75% | 1 | 33.33% |
| wang shaoyan | wang shaoyan | 20 | 5.00% | 1 | 33.33% |
| alexey dobriyan | alexey dobriyan | 5 | 1.25% | 1 | 33.33% |
| Total | 400 | 100.00% | 3 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 34 | 100.00% | 1 | 100.00% |
| Total | 34 | 100.00% | 1 | 100.00% |
static int viafb_sup_odev_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, viafb_sup_odev_proc_show, NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 165 | 100.00% | 1 | 100.00% |
| Total | 165 | 100.00% | 1 | 100.00% |
static int viafb_iga1_odev_proc_show(struct seq_file *m, void *v)
{
via_odev_to_seq(m, viaparinfo->shared->iga1_devices);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
static int viafb_iga1_odev_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, viafb_iga1_odev_proc_show, NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 122 | 100.00% | 2 | 100.00% |
| Total | 122 | 100.00% | 2 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
static int viafb_iga2_odev_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, viafb_iga2_odev_proc_show, NULL);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 26 | 100.00% | 1 | 100.00% |
| Total | 26 | 100.00% | 1 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 122 | 100.00% | 2 | 100.00% |
| Total | 122 | 100.00% | 2 | 100.00% |
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);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 100 | 51.81% | 2 | 40.00% |
| joseph chan | joseph chan | 72 | 37.31% | 1 | 20.00% |
| alexey dobriyan | alexey dobriyan | 20 | 10.36% | 1 | 20.00% |
| bruno premont | bruno premont | 1 | 0.52% | 1 | 20.00% |
| Total | 193 | 100.00% | 5 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 92 | 63.89% | 3 | 60.00% |
| joseph chan | joseph chan | 47 | 32.64% | 1 | 20.00% |
| bruno premont | bruno premont | 5 | 3.47% | 1 | 20.00% |
| Total | 144 | 100.00% | 5 | 100.00% |
#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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 167 | 89.30% | 3 | 75.00% |
| daniel drake | daniel drake | 20 | 10.70% | 1 | 25.00% |
| Total | 187 | 100.00% | 4 | 100.00% |
#ifdef CONFIG_PM
static int viafb_suspend(void *unused)
{
console_lock();
fb_set_suspend(viafbinfo, 1);
viafb_sync(viafbinfo);
console_unlock();
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| deepak saxena | deepak saxena | 26 | 83.87% | 1 | 33.33% |
| daniel drake | daniel drake | 3 | 9.68% | 1 | 33.33% |
| torben hohn | torben hohn | 2 | 6.45% | 1 | 33.33% |
| Total | 31 | 100.00% | 3 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 29 | 52.73% | 2 | 40.00% |
| deepak saxena | deepak saxena | 21 | 38.18% | 1 | 20.00% |
| daniel drake | daniel drake | 3 | 5.45% | 1 | 20.00% |
| torben hohn | torben hohn | 2 | 3.64% | 1 | 20.00% |
| Total | 55 | 100.00% | 5 | 100.00% |
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");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 82 | 100.00% | 2 | 100.00% |
| Total | 82 | 100.00% | 2 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 32 | 100.00% | 1 | 100.00% |
| Total | 32 | 100.00% | 1 | 100.00% |
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 613 | 60.39% | 1 | 3.85% |
| florian tobias schandinat | florian tobias schandinat | 235 | 23.15% | 17 | 65.38% |
| harald welte | harald welte | 124 | 12.22% | 4 | 15.38% |
| jonathan corbet | jonathan corbet | 32 | 3.15% | 3 | 11.54% |
| daniel drake | daniel drake | 11 | 1.08% | 1 | 3.85% |
| Total | 1015 | 100.00% | 26 | 100.00% |
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);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 52 | 78.79% | 1 | 16.67% |
| florian tobias schandinat | florian tobias schandinat | 9 | 13.64% | 3 | 50.00% |
| harald welte | harald welte | 4 | 6.06% | 1 | 16.67% |
| jonathan corbet | jonathan corbet | 1 | 1.52% | 1 | 16.67% |
| Total | 66 | 100.00% | 6 | 100.00% |
#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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 499 | 71.70% | 1 | 33.33% |
| wang shaoyan | wang shaoyan | 178 | 25.57% | 1 | 33.33% |
| daniel drake | daniel drake | 19 | 2.73% | 1 | 33.33% |
| Total | 696 | 100.00% | 3 | 100.00% |
#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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| florian tobias schandinat | florian tobias schandinat | 76 | 58.02% | 5 | 55.56% |
| joseph chan | joseph chan | 29 | 22.14% | 1 | 11.11% |
| daniel drake | daniel drake | 22 | 16.79% | 1 | 11.11% |
| nikanth karthikesan | nikanth karthikesan | 3 | 2.29% | 1 | 11.11% |
| lucas de marchi | lucas de marchi | 1 | 0.76% | 1 | 11.11% |
| Total | 131 | 100.00% | 9 | 100.00% |
void __exit viafb_exit(void)
{
DEBUG_MSG(KERN_INFO "viafb_exit!\n");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 14 | 100.00% | 1 | 100.00% |
| Total | 14 | 100.00% | 1 | 100.00% |
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
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| joseph chan | joseph chan | 6696 | 57.88% | 2 | 2.63% |
| florian tobias schandinat | florian tobias schandinat | 3500 | 30.25% | 47 | 61.84% |
| alexey dobriyan | alexey dobriyan | 400 | 3.46% | 1 | 1.32% |
| bruno premont | bruno premont | 320 | 2.77% | 2 | 2.63% |
| wang shaoyan | wang shaoyan | 224 | 1.94% | 1 | 1.32% |
| harald welte | harald welte | 156 | 1.35% | 6 | 7.89% |
| daniel drake | daniel drake | 117 | 1.01% | 2 | 2.63% |
| deepak saxena | deepak saxena | 52 | 0.45% | 1 | 1.32% |
| jonathan corbet | jonathan corbet | 47 | 0.41% | 4 | 5.26% |
| peter huewe | peter huewe | 20 | 0.17% | 1 | 1.32% |
| hannes eder | hannes eder | 12 | 0.10% | 1 | 1.32% |
| julia lawall | julia lawall | 9 | 0.08% | 2 | 2.63% |
| torben hohn | torben hohn | 4 | 0.03% | 1 | 1.32% |
| nikanth karthikesan | nikanth karthikesan | 3 | 0.03% | 1 | 1.32% |
| stephen hemminger | stephen hemminger | 3 | 0.03% | 1 | 1.32% |
| tejun heo | tejun heo | 3 | 0.03% | 1 | 1.32% |
| erik-jan post | erik-jan post | 2 | 0.02% | 1 | 1.32% |
| lucas de marchi | lucas de marchi | 1 | 0.01% | 1 | 1.32% |
| Total | 11569 | 100.00% | 76 | 100.00% |
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