aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/video
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/Kconfig32
-rw-r--r--drivers/video/Makefile1
-rw-r--r--drivers/video/fbmem.c63
-rw-r--r--drivers/video/mb862xx/Makefile5
-rw-r--r--drivers/video/mb862xx/mb862xx_reg.h138
-rw-r--r--drivers/video/mb862xx/mb862xxfb.c1061
-rw-r--r--drivers/video/mb862xx/mb862xxfb.h83
7 files changed, 1359 insertions, 24 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 0f13448c6f79..3f3ce13fef43 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -2083,6 +2083,38 @@ config FB_METRONOME
2083 controller. The pre-release name for this device was 8track 2083 controller. The pre-release name for this device was 8track
2084 and could also have been called by some vendors as PVI-nnnn. 2084 and could also have been called by some vendors as PVI-nnnn.
2085 2085
2086config FB_MB862XX
2087 tristate "Fujitsu MB862xx GDC support"
2088 depends on FB
2089 select FB_CFB_FILLRECT
2090 select FB_CFB_COPYAREA
2091 select FB_CFB_IMAGEBLIT
2092 ---help---
2093 Frame buffer driver for Fujitsu Carmine/Coral-P(A)/Lime controllers.
2094
2095config FB_MB862XX_PCI_GDC
2096 bool "Carmine/Coral-P(A) GDC"
2097 depends on PCI && FB_MB862XX
2098 ---help---
2099 This enables framebuffer support for Fujitsu Carmine/Coral-P(A)
2100 PCI graphics controller devices.
2101
2102config FB_MB862XX_LIME
2103 bool "Lime GDC"
2104 depends on FB_MB862XX
2105 depends on OF && !FB_MB862XX_PCI_GDC
2106 select FB_FOREIGN_ENDIAN
2107 select FB_LITTLE_ENDIAN
2108 ---help---
2109 Framebuffer support for Fujitsu Lime GDC on host CPU bus.
2110
2111config FB_PRE_INIT_FB
2112 bool "Don't reinitialize, use bootloader's GDC/Display configuration"
2113 depends on FB_MB862XX_LIME
2114 ---help---
2115 Select this option if display contents should be inherited as set by
2116 the bootloader.
2117
2086source "drivers/video/omap/Kconfig" 2118source "drivers/video/omap/Kconfig"
2087 2119
2088source "drivers/video/backlight/Kconfig" 2120source "drivers/video/backlight/Kconfig"
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 248bddc8d0b0..e39e33e797da 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -122,6 +122,7 @@ obj-$(CONFIG_FB_SH_MOBILE_LCDC) += sh_mobile_lcdcfb.o
122obj-$(CONFIG_FB_OMAP) += omap/ 122obj-$(CONFIG_FB_OMAP) += omap/
123obj-$(CONFIG_XEN_FBDEV_FRONTEND) += xen-fbfront.o 123obj-$(CONFIG_XEN_FBDEV_FRONTEND) += xen-fbfront.o
124obj-$(CONFIG_FB_CARMINE) += carminefb.o 124obj-$(CONFIG_FB_CARMINE) += carminefb.o
125obj-$(CONFIG_FB_MB862XX) += mb862xx/
125 126
126# Platform or fallback drivers go here 127# Platform or fallback drivers go here
127obj-$(CONFIG_FB_UVESA) += uvesafb.o 128obj-$(CONFIG_FB_UVESA) += uvesafb.o
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 6048b55f2878..1d5ae39cb271 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1002,13 +1002,9 @@ fb_blank(struct fb_info *info, int blank)
1002 return ret; 1002 return ret;
1003} 1003}
1004 1004
1005static long 1005static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
1006fb_ioctl(struct file *file, unsigned int cmd, 1006 unsigned long arg)
1007 unsigned long arg)
1008{ 1007{
1009 struct inode *inode = file->f_path.dentry->d_inode;
1010 int fbidx = iminor(inode);
1011 struct fb_info *info;
1012 struct fb_ops *fb; 1008 struct fb_ops *fb;
1013 struct fb_var_screeninfo var; 1009 struct fb_var_screeninfo var;
1014 struct fb_fix_screeninfo fix; 1010 struct fb_fix_screeninfo fix;
@@ -1018,14 +1014,10 @@ fb_ioctl(struct file *file, unsigned int cmd,
1018 void __user *argp = (void __user *)arg; 1014 void __user *argp = (void __user *)arg;
1019 long ret = 0; 1015 long ret = 0;
1020 1016
1021 info = registered_fb[fbidx];
1022 mutex_lock(&info->lock);
1023 fb = info->fbops; 1017 fb = info->fbops;
1024 1018 if (!fb)
1025 if (!fb) {
1026 mutex_unlock(&info->lock);
1027 return -ENODEV; 1019 return -ENODEV;
1028 } 1020
1029 switch (cmd) { 1021 switch (cmd) {
1030 case FBIOGET_VSCREENINFO: 1022 case FBIOGET_VSCREENINFO:
1031 ret = copy_to_user(argp, &info->var, 1023 ret = copy_to_user(argp, &info->var,
@@ -1126,6 +1118,21 @@ fb_ioctl(struct file *file, unsigned int cmd,
1126 else 1118 else
1127 ret = fb->fb_ioctl(info, cmd, arg); 1119 ret = fb->fb_ioctl(info, cmd, arg);
1128 } 1120 }
1121 return ret;
1122}
1123
1124static long fb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
1125__acquires(&info->lock)
1126__releases(&info->lock)
1127{
1128 struct inode *inode = file->f_path.dentry->d_inode;
1129 int fbidx = iminor(inode);
1130 struct fb_info *info;
1131 long ret;
1132
1133 info = registered_fb[fbidx];
1134 mutex_lock(&info->lock);
1135 ret = do_fb_ioctl(info, cmd, arg);
1129 mutex_unlock(&info->lock); 1136 mutex_unlock(&info->lock);
1130 return ret; 1137 return ret;
1131} 1138}
@@ -1157,8 +1164,8 @@ struct fb_cmap32 {
1157 compat_caddr_t transp; 1164 compat_caddr_t transp;
1158}; 1165};
1159 1166
1160static int fb_getput_cmap(struct inode *inode, struct file *file, 1167static int fb_getput_cmap(struct fb_info *info, unsigned int cmd,
1161 unsigned int cmd, unsigned long arg) 1168 unsigned long arg)
1162{ 1169{
1163 struct fb_cmap_user __user *cmap; 1170 struct fb_cmap_user __user *cmap;
1164 struct fb_cmap32 __user *cmap32; 1171 struct fb_cmap32 __user *cmap32;
@@ -1181,7 +1188,7 @@ static int fb_getput_cmap(struct inode *inode, struct file *file,
1181 put_user(compat_ptr(data), &cmap->transp)) 1188 put_user(compat_ptr(data), &cmap->transp))
1182 return -EFAULT; 1189 return -EFAULT;
1183 1190
1184 err = fb_ioctl(file, cmd, (unsigned long) cmap); 1191 err = do_fb_ioctl(info, cmd, (unsigned long) cmap);
1185 1192
1186 if (!err) { 1193 if (!err) {
1187 if (copy_in_user(&cmap32->start, 1194 if (copy_in_user(&cmap32->start,
@@ -1223,8 +1230,8 @@ static int do_fscreeninfo_to_user(struct fb_fix_screeninfo *fix,
1223 return err; 1230 return err;
1224} 1231}
1225 1232
1226static int fb_get_fscreeninfo(struct inode *inode, struct file *file, 1233static int fb_get_fscreeninfo(struct fb_info *info, unsigned int cmd,
1227 unsigned int cmd, unsigned long arg) 1234 unsigned long arg)
1228{ 1235{
1229 mm_segment_t old_fs; 1236 mm_segment_t old_fs;
1230 struct fb_fix_screeninfo fix; 1237 struct fb_fix_screeninfo fix;
@@ -1235,7 +1242,7 @@ static int fb_get_fscreeninfo(struct inode *inode, struct file *file,
1235 1242
1236 old_fs = get_fs(); 1243 old_fs = get_fs();
1237 set_fs(KERNEL_DS); 1244 set_fs(KERNEL_DS);
1238 err = fb_ioctl(file, cmd, (unsigned long) &fix); 1245 err = do_fb_ioctl(info, cmd, (unsigned long) &fix);
1239 set_fs(old_fs); 1246 set_fs(old_fs);
1240 1247
1241 if (!err) 1248 if (!err)
@@ -1244,8 +1251,10 @@ static int fb_get_fscreeninfo(struct inode *inode, struct file *file,
1244 return err; 1251 return err;
1245} 1252}
1246 1253
1247static long 1254static long fb_compat_ioctl(struct file *file, unsigned int cmd,
1248fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 1255 unsigned long arg)
1256__acquires(&info->lock)
1257__releases(&info->lock)
1249{ 1258{
1250 struct inode *inode = file->f_path.dentry->d_inode; 1259 struct inode *inode = file->f_path.dentry->d_inode;
1251 int fbidx = iminor(inode); 1260 int fbidx = iminor(inode);
@@ -1262,16 +1271,16 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
1262 case FBIOPUT_CON2FBMAP: 1271 case FBIOPUT_CON2FBMAP:
1263 arg = (unsigned long) compat_ptr(arg); 1272 arg = (unsigned long) compat_ptr(arg);
1264 case FBIOBLANK: 1273 case FBIOBLANK:
1265 mutex_unlock(&info->lock); 1274 ret = do_fb_ioctl(info, cmd, arg);
1266 return fb_ioctl(file, cmd, arg); 1275 break;
1267 1276
1268 case FBIOGET_FSCREENINFO: 1277 case FBIOGET_FSCREENINFO:
1269 ret = fb_get_fscreeninfo(inode, file, cmd, arg); 1278 ret = fb_get_fscreeninfo(info, cmd, arg);
1270 break; 1279 break;
1271 1280
1272 case FBIOGETCMAP: 1281 case FBIOGETCMAP:
1273 case FBIOPUTCMAP: 1282 case FBIOPUTCMAP:
1274 ret = fb_getput_cmap(inode, file, cmd, arg); 1283 ret = fb_getput_cmap(info, cmd, arg);
1275 break; 1284 break;
1276 1285
1277 default: 1286 default:
@@ -1286,6 +1295,8 @@ fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
1286 1295
1287static int 1296static int
1288fb_mmap(struct file *file, struct vm_area_struct * vma) 1297fb_mmap(struct file *file, struct vm_area_struct * vma)
1298__acquires(&info->lock)
1299__releases(&info->lock)
1289{ 1300{
1290 int fbidx = iminor(file->f_path.dentry->d_inode); 1301 int fbidx = iminor(file->f_path.dentry->d_inode);
1291 struct fb_info *info = registered_fb[fbidx]; 1302 struct fb_info *info = registered_fb[fbidx];
@@ -1339,6 +1350,8 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
1339 1350
1340static int 1351static int
1341fb_open(struct inode *inode, struct file *file) 1352fb_open(struct inode *inode, struct file *file)
1353__acquires(&info->lock)
1354__releases(&info->lock)
1342{ 1355{
1343 int fbidx = iminor(inode); 1356 int fbidx = iminor(inode);
1344 struct fb_info *info; 1357 struct fb_info *info;
@@ -1374,6 +1387,8 @@ out:
1374 1387
1375static int 1388static int
1376fb_release(struct inode *inode, struct file *file) 1389fb_release(struct inode *inode, struct file *file)
1390__acquires(&info->lock)
1391__releases(&info->lock)
1377{ 1392{
1378 struct fb_info * const info = file->private_data; 1393 struct fb_info * const info = file->private_data;
1379 1394
diff --git a/drivers/video/mb862xx/Makefile b/drivers/video/mb862xx/Makefile
new file mode 100644
index 000000000000..07664814bb1d
--- /dev/null
+++ b/drivers/video/mb862xx/Makefile
@@ -0,0 +1,5 @@
1#
2# Makefile for the MB862xx framebuffer driver
3#
4
5obj-$(CONFIG_FB_MB862XX) := mb862xxfb.o
diff --git a/drivers/video/mb862xx/mb862xx_reg.h b/drivers/video/mb862xx/mb862xx_reg.h
new file mode 100644
index 000000000000..2ba65e118500
--- /dev/null
+++ b/drivers/video/mb862xx/mb862xx_reg.h
@@ -0,0 +1,138 @@
1/*
2 * Fujitsu MB862xx Graphics Controller Registers/Bits
3 */
4
5#ifndef _MB862XX_REG_H
6#define _MB862XX_REG_H
7
8#ifdef MB862XX_MMIO_BOTTOM
9#define MB862XX_MMIO_BASE 0x03fc0000
10#else
11#define MB862XX_MMIO_BASE 0x01fc0000
12#endif
13#define MB862XX_I2C_BASE 0x0000c000
14#define MB862XX_DISP_BASE 0x00010000
15#define MB862XX_CAP_BASE 0x00018000
16#define MB862XX_DRAW_BASE 0x00030000
17#define MB862XX_GEO_BASE 0x00038000
18#define MB862XX_PIO_BASE 0x00038000
19#define MB862XX_MMIO_SIZE 0x40000
20
21/* Host interface/pio registers */
22#define GC_IST 0x00000020
23#define GC_IMASK 0x00000024
24#define GC_SRST 0x0000002c
25#define GC_CCF 0x00000038
26#define GC_CID 0x000000f0
27#define GC_REVISION 0x00000084
28
29#define GC_CCF_CGE_100 0x00000000
30#define GC_CCF_CGE_133 0x00040000
31#define GC_CCF_CGE_166 0x00080000
32#define GC_CCF_COT_100 0x00000000
33#define GC_CCF_COT_133 0x00010000
34#define GC_CID_CNAME_MSK 0x0000ff00
35#define GC_CID_VERSION_MSK 0x000000ff
36
37/* define enabled interrupts hereby */
38#define GC_INT_EN 0x00000000
39
40/* Memory interface mode register */
41#define GC_MMR 0x0000fffc
42
43/* Display Controller registers */
44#define GC_DCM0 0x00000000
45#define GC_HTP 0x00000004
46#define GC_HDB_HDP 0x00000008
47#define GC_VSW_HSW_HSP 0x0000000c
48#define GC_VTR 0x00000010
49#define GC_VDP_VSP 0x00000014
50#define GC_WY_WX 0x00000018
51#define GC_WH_WW 0x0000001c
52#define GC_L0M 0x00000020
53#define GC_L0OA0 0x00000024
54#define GC_L0DA0 0x00000028
55#define GC_L0DY_L0DX 0x0000002c
56#define GC_DCM1 0x00000100
57#define GC_L0EM 0x00000110
58#define GC_L0WY_L0WX 0x00000114
59#define GC_L0WH_L0WW 0x00000118
60#define GC_DCM2 0x00000104
61#define GC_DCM3 0x00000108
62#define GC_CPM_CUTC 0x000000a0
63#define GC_CUOA0 0x000000a4
64#define GC_CUY0_CUX0 0x000000a8
65#define GC_CUOA1 0x000000ac
66#define GC_CUY1_CUX1 0x000000b0
67#define GC_L0PAL0 0x00000400
68
69#define GC_CPM_CEN0 0x00100000
70#define GC_CPM_CEN1 0x00200000
71
72#define GC_DCM01_ESY 0x00000004
73#define GC_DCM01_SC 0x00003f00
74#define GC_DCM01_RESV 0x00004000
75#define GC_DCM01_CKS 0x00008000
76#define GC_DCM01_L0E 0x00010000
77#define GC_DCM01_DEN 0x80000000
78#define GC_L0M_L0C_8 0x00000000
79#define GC_L0M_L0C_16 0x80000000
80#define GC_L0EM_L0EC_24 0x40000000
81#define GC_L0M_L0W_UNIT 64
82
83#define GC_DISP_REFCLK_400 400
84
85/* Carmine specific */
86#define MB86297_DRAW_BASE 0x00020000
87#define MB86297_DISP0_BASE 0x00100000
88#define MB86297_DISP1_BASE 0x00140000
89#define MB86297_WRBACK_BASE 0x00180000
90#define MB86297_CAP0_BASE 0x00200000
91#define MB86297_CAP1_BASE 0x00280000
92#define MB86297_DRAMCTRL_BASE 0x00300000
93#define MB86297_CTRL_BASE 0x00400000
94#define MB86297_I2C_BASE 0x00500000
95
96#define GC_CTRL_STATUS 0x00000000
97#define GC_CTRL_INT_MASK 0x00000004
98#define GC_CTRL_CLK_ENABLE 0x0000000c
99#define GC_CTRL_SOFT_RST 0x00000010
100
101#define GC_CTRL_CLK_EN_DRAM 0x00000001
102#define GC_CTRL_CLK_EN_2D3D 0x00000002
103#define GC_CTRL_CLK_EN_DISP0 0x00000020
104#define GC_CTRL_CLK_EN_DISP1 0x00000040
105
106#define GC_2D3D_REV 0x000004b4
107#define GC_RE_REVISION 0x24240200
108
109/* define enabled interrupts hereby */
110#define GC_CARMINE_INT_EN 0x00000004
111
112/* DRAM controller */
113#define GC_DCTL_MODE_ADD 0x00000000
114#define GC_DCTL_SETTIME1_EMODE 0x00000004
115#define GC_DCTL_REFRESH_SETTIME2 0x00000008
116#define GC_DCTL_RSV0_STATES 0x0000000C
117#define GC_DCTL_RSV2_RSV1 0x00000010
118#define GC_DCTL_DDRIF2_DDRIF1 0x00000014
119#define GC_DCTL_IOCONT1_IOCONT0 0x00000024
120
121#define GC_DCTL_STATES_MSK 0x0000000f
122#define GC_DCTL_INIT_WAIT_CNT 3000
123#define GC_DCTL_INIT_WAIT_INTERVAL 1
124
125/* DRAM ctrl values for Carmine PCI Eval. board */
126#define GC_EVB_DCTL_MODE_ADD 0x012105c3
127#define GC_EVB_DCTL_MODE_ADD_AFT_RST 0x002105c3
128#define GC_EVB_DCTL_SETTIME1_EMODE 0x47498000
129#define GC_EVB_DCTL_REFRESH_SETTIME2 0x00422a22
130#define GC_EVB_DCTL_RSV0_STATES 0x00200003
131#define GC_EVB_DCTL_RSV0_STATES_AFT_RST 0x00200002
132#define GC_EVB_DCTL_RSV2_RSV1 0x0000000f
133#define GC_EVB_DCTL_DDRIF2_DDRIF1 0x00556646
134#define GC_EVB_DCTL_IOCONT1_IOCONT0 0x05550555
135
136#define GC_DISP_REFCLK_533 533
137
138#endif
diff --git a/drivers/video/mb862xx/mb862xxfb.c b/drivers/video/mb862xx/mb862xxfb.c
new file mode 100644
index 000000000000..38718d95fbb9
--- /dev/null
+++ b/drivers/video/mb862xx/mb862xxfb.c
@@ -0,0 +1,1061 @@
1/*
2 * drivers/mb862xx/mb862xxfb.c
3 *
4 * Fujitsu Carmine/Coral-P(A)/Lime framebuffer driver
5 *
6 * (C) 2008 Anatolij Gustschin <agust@denx.de>
7 * DENX Software Engineering
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 */
14
15#undef DEBUG
16
17#include <linux/fb.h>
18#include <linux/delay.h>
19#include <linux/init.h>
20#include <linux/interrupt.h>
21#include <linux/pci.h>
22#if defined(CONFIG_PPC_OF)
23#include <linux/of_platform.h>
24#endif
25#include "mb862xxfb.h"
26#include "mb862xx_reg.h"
27
28#define NR_PALETTE 256
29#define MB862XX_MEM_SIZE 0x1000000
30#define CORALP_MEM_SIZE 0x4000000
31#define CARMINE_MEM_SIZE 0x8000000
32#define DRV_NAME "mb862xxfb"
33
34#if defined(CONFIG_LWMON5)
35static struct mb862xx_gc_mode lwmon5_gc_mode = {
36 /* Mode for Sharp LQ104V1DG61 TFT LCD Panel */
37 { "640x480", 60, 640, 480, 40000, 48, 16, 32, 11, 96, 2, 0, 0, 0 },
38 /* 16 bits/pixel, 32MB, 100MHz, SDRAM memory mode value */
39 16, 0x2000000, GC_CCF_COT_100, 0x414fb7f2
40};
41#endif
42
43#if defined(CONFIG_SOCRATES)
44static struct mb862xx_gc_mode socrates_gc_mode = {
45 /* Mode for Prime View PM070WL4 TFT LCD Panel */
46 { "800x480", 45, 800, 480, 40000, 86, 42, 33, 10, 128, 2, 0, 0, 0 },
47 /* 16 bits/pixel, 16MB, 133MHz, SDRAM memory mode value */
48 16, 0x1000000, GC_CCF_COT_133, 0x4157ba63
49};
50#endif
51
52/* Helpers */
53static inline int h_total(struct fb_var_screeninfo *var)
54{
55 return var->xres + var->left_margin +
56 var->right_margin + var->hsync_len;
57}
58
59static inline int v_total(struct fb_var_screeninfo *var)
60{
61 return var->yres + var->upper_margin +
62 var->lower_margin + var->vsync_len;
63}
64
65static inline int hsp(struct fb_var_screeninfo *var)
66{
67 return var->xres + var->right_margin - 1;
68}
69
70static inline int vsp(struct fb_var_screeninfo *var)
71{
72 return var->yres + var->lower_margin - 1;
73}
74
75static inline int d_pitch(struct fb_var_screeninfo *var)
76{
77 return var->xres * var->bits_per_pixel / 8;
78}
79
80static inline unsigned int chan_to_field(unsigned int chan,
81 struct fb_bitfield *bf)
82{
83 chan &= 0xffff;
84 chan >>= 16 - bf->length;
85 return chan << bf->offset;
86}
87
88static int mb862xxfb_setcolreg(unsigned regno,
89 unsigned red, unsigned green, unsigned blue,
90 unsigned transp, struct fb_info *info)
91{
92 struct mb862xxfb_par *par = info->par;
93 unsigned int val;
94
95 switch (info->fix.visual) {
96 case FB_VISUAL_TRUECOLOR:
97 if (regno < 16) {
98 val = chan_to_field(red, &info->var.red);
99 val |= chan_to_field(green, &info->var.green);
100 val |= chan_to_field(blue, &info->var.blue);
101 par->pseudo_palette[regno] = val;
102 }
103 break;
104 case FB_VISUAL_PSEUDOCOLOR:
105 if (regno < 256) {
106 val = (red >> 8) << 16;
107 val |= (green >> 8) << 8;
108 val |= blue >> 8;
109 outreg(disp, GC_L0PAL0 + (regno * 4), val);
110 }
111 break;
112 default:
113 return 1; /* unsupported type */
114 }
115 return 0;
116}
117
118static int mb862xxfb_check_var(struct fb_var_screeninfo *var,
119 struct fb_info *fbi)
120{
121 unsigned long tmp;
122
123 if (fbi->dev)
124 dev_dbg(fbi->dev, "%s\n", __func__);
125
126 /* check if these values fit into the registers */
127 if (var->hsync_len > 255 || var->vsync_len > 255)
128 return -EINVAL;
129
130 if ((var->xres + var->right_margin) >= 4096)
131 return -EINVAL;
132
133 if ((var->yres + var->lower_margin) > 4096)
134 return -EINVAL;
135
136 if (h_total(var) > 4096 || v_total(var) > 4096)
137 return -EINVAL;
138
139 if (var->xres_virtual > 4096 || var->yres_virtual > 4096)
140 return -EINVAL;
141
142 if (var->bits_per_pixel <= 8)
143 var->bits_per_pixel = 8;
144 else if (var->bits_per_pixel <= 16)
145 var->bits_per_pixel = 16;
146 else if (var->bits_per_pixel <= 32)
147 var->bits_per_pixel = 32;
148
149 /*
150 * can cope with 8,16 or 24/32bpp if resulting
151 * pitch is divisible by 64 without remainder
152 */
153 if (d_pitch(&fbi->var) % GC_L0M_L0W_UNIT) {
154 int r;
155
156 var->bits_per_pixel = 0;
157 do {
158 var->bits_per_pixel += 8;
159 r = d_pitch(&fbi->var) % GC_L0M_L0W_UNIT;
160 } while (r && var->bits_per_pixel <= 32);
161
162 if (d_pitch(&fbi->var) % GC_L0M_L0W_UNIT)
163 return -EINVAL;
164 }
165
166 /* line length is going to be 128 bit aligned */
167 tmp = (var->xres * var->bits_per_pixel) / 8;
168 if ((tmp & 15) != 0)
169 return -EINVAL;
170
171 /* set r/g/b positions and validate bpp */
172 switch (var->bits_per_pixel) {
173 case 8:
174 var->red.length = var->bits_per_pixel;
175 var->green.length = var->bits_per_pixel;
176 var->blue.length = var->bits_per_pixel;
177 var->red.offset = 0;
178 var->green.offset = 0;
179 var->blue.offset = 0;
180 var->transp.length = 0;
181 break;
182 case 16:
183 var->red.length = 5;
184 var->green.length = 5;
185 var->blue.length = 5;
186 var->red.offset = 10;
187 var->green.offset = 5;
188 var->blue.offset = 0;
189 var->transp.length = 0;
190 break;
191 case 24:
192 case 32:
193 var->transp.length = 8;
194 var->red.length = 8;
195 var->green.length = 8;
196 var->blue.length = 8;
197 var->transp.offset = 24;
198 var->red.offset = 16;
199 var->green.offset = 8;
200 var->blue.offset = 0;
201 break;
202 default:
203 return -EINVAL;
204 }
205 return 0;
206}
207
208/*
209 * set display parameters
210 */
211static int mb862xxfb_set_par(struct fb_info *fbi)
212{
213 struct mb862xxfb_par *par = fbi->par;
214 unsigned long reg, sc;
215
216 dev_dbg(par->dev, "%s\n", __func__);
217
218 if (par->pre_init)
219 return 0;
220
221 /* disp off */
222 reg = inreg(disp, GC_DCM1);
223 reg &= ~GC_DCM01_DEN;
224 outreg(disp, GC_DCM1, reg);
225
226 /* set display reference clock div. */
227 sc = par->refclk / (1000000 / fbi->var.pixclock) - 1;
228 reg = inreg(disp, GC_DCM1);
229 reg &= ~(GC_DCM01_CKS | GC_DCM01_RESV | GC_DCM01_SC);
230 reg |= sc << 8;
231 outreg(disp, GC_DCM1, reg);
232 dev_dbg(par->dev, "SC 0x%lx\n", sc);
233
234 /* disp dimension, format */
235 reg = pack(d_pitch(&fbi->var) / GC_L0M_L0W_UNIT,
236 (fbi->var.yres - 1));
237 if (fbi->var.bits_per_pixel == 16)
238 reg |= GC_L0M_L0C_16;
239 outreg(disp, GC_L0M, reg);
240
241 if (fbi->var.bits_per_pixel == 32) {
242 reg = inreg(disp, GC_L0EM);
243 outreg(disp, GC_L0EM, reg | GC_L0EM_L0EC_24);
244 }
245 outreg(disp, GC_WY_WX, 0);
246 reg = pack(fbi->var.yres - 1, fbi->var.xres);
247 outreg(disp, GC_WH_WW, reg);
248 outreg(disp, GC_L0OA0, 0);
249 outreg(disp, GC_L0DA0, 0);
250 outreg(disp, GC_L0DY_L0DX, 0);
251 outreg(disp, GC_L0WY_L0WX, 0);
252 outreg(disp, GC_L0WH_L0WW, reg);
253
254 /* both HW-cursors off */
255 reg = inreg(disp, GC_CPM_CUTC);
256 reg &= ~(GC_CPM_CEN0 | GC_CPM_CEN1);
257 outreg(disp, GC_CPM_CUTC, reg);
258
259 /* timings */
260 reg = pack(fbi->var.xres - 1, fbi->var.xres - 1);
261 outreg(disp, GC_HDB_HDP, reg);
262 reg = pack((fbi->var.yres - 1), vsp(&fbi->var));
263 outreg(disp, GC_VDP_VSP, reg);
264 reg = ((fbi->var.vsync_len - 1) << 24) |
265 pack((fbi->var.hsync_len - 1), hsp(&fbi->var));
266 outreg(disp, GC_VSW_HSW_HSP, reg);
267 outreg(disp, GC_HTP, pack(h_total(&fbi->var) - 1, 0));
268 outreg(disp, GC_VTR, pack(v_total(&fbi->var) - 1, 0));
269
270 /* display on */
271 reg = inreg(disp, GC_DCM1);
272 reg |= GC_DCM01_DEN | GC_DCM01_L0E;
273 reg &= ~GC_DCM01_ESY;
274 outreg(disp, GC_DCM1, reg);
275 return 0;
276}
277
278static int mb862xxfb_pan(struct fb_var_screeninfo *var,
279 struct fb_info *info)
280{
281 struct mb862xxfb_par *par = info->par;
282 unsigned long reg;
283
284 reg = pack(var->yoffset, var->xoffset);
285 outreg(disp, GC_L0WY_L0WX, reg);
286
287 reg = pack(var->yres_virtual, var->xres_virtual);
288 outreg(disp, GC_L0WH_L0WW, reg);
289 return 0;
290}
291
292static int mb862xxfb_blank(int mode, struct fb_info *fbi)
293{
294 struct mb862xxfb_par *par = fbi->par;
295 unsigned long reg;
296
297 dev_dbg(fbi->dev, "blank mode=%d\n", mode);
298
299 switch (mode) {
300 case FB_BLANK_POWERDOWN:
301 reg = inreg(disp, GC_DCM1);
302 reg &= ~GC_DCM01_DEN;
303 outreg(disp, GC_DCM1, reg);
304 break;
305 case FB_BLANK_UNBLANK:
306 reg = inreg(disp, GC_DCM1);
307 reg |= GC_DCM01_DEN;
308 outreg(disp, GC_DCM1, reg);
309 break;
310 case FB_BLANK_NORMAL:
311 case FB_BLANK_VSYNC_SUSPEND:
312 case FB_BLANK_HSYNC_SUSPEND:
313 default:
314 return 1;
315 }
316 return 0;
317}
318
319/* framebuffer ops */
320static struct fb_ops mb862xxfb_ops = {
321 .owner = THIS_MODULE,
322 .fb_check_var = mb862xxfb_check_var,
323 .fb_set_par = mb862xxfb_set_par,
324 .fb_setcolreg = mb862xxfb_setcolreg,
325 .fb_blank = mb862xxfb_blank,
326 .fb_pan_display = mb862xxfb_pan,
327 .fb_fillrect = cfb_fillrect,
328 .fb_copyarea = cfb_copyarea,
329 .fb_imageblit = cfb_imageblit,
330};
331
332/* initialize fb_info data */
333static int mb862xxfb_init_fbinfo(struct fb_info *fbi)
334{
335 struct mb862xxfb_par *par = fbi->par;
336 struct mb862xx_gc_mode *mode = par->gc_mode;
337 unsigned long reg;
338
339 fbi->fbops = &mb862xxfb_ops;
340 fbi->pseudo_palette = par->pseudo_palette;
341 fbi->screen_base = par->fb_base;
342 fbi->screen_size = par->mapped_vram;
343
344 strcpy(fbi->fix.id, DRV_NAME);
345 fbi->fix.smem_start = (unsigned long)par->fb_base_phys;
346 fbi->fix.smem_len = par->mapped_vram;
347 fbi->fix.mmio_start = (unsigned long)par->mmio_base_phys;
348 fbi->fix.mmio_len = par->mmio_len;
349 fbi->fix.accel = FB_ACCEL_NONE;
350 fbi->fix.type = FB_TYPE_PACKED_PIXELS;
351 fbi->fix.type_aux = 0;
352 fbi->fix.xpanstep = 1;
353 fbi->fix.ypanstep = 1;
354 fbi->fix.ywrapstep = 0;
355
356 reg = inreg(disp, GC_DCM1);
357 if (reg & GC_DCM01_DEN && reg & GC_DCM01_L0E) {
358 /* get the disp mode from active display cfg */
359 unsigned long sc = ((reg & GC_DCM01_SC) >> 8) + 1;
360 unsigned long hsp, vsp, ht, vt;
361
362 dev_dbg(par->dev, "using bootloader's disp. mode\n");
363 fbi->var.pixclock = (sc * 1000000) / par->refclk;
364 fbi->var.xres = (inreg(disp, GC_HDB_HDP) & 0x0fff) + 1;
365 reg = inreg(disp, GC_VDP_VSP);
366 fbi->var.yres = ((reg >> 16) & 0x0fff) + 1;
367 vsp = (reg & 0x0fff) + 1;
368 fbi->var.xres_virtual = fbi->var.xres;
369 fbi->var.yres_virtual = fbi->var.yres;
370 reg = inreg(disp, GC_L0EM);
371 if (reg & GC_L0EM_L0EC_24) {
372 fbi->var.bits_per_pixel = 32;
373 } else {
374 reg = inreg(disp, GC_L0M);
375 if (reg & GC_L0M_L0C_16)
376 fbi->var.bits_per_pixel = 16;
377 else
378 fbi->var.bits_per_pixel = 8;
379 }
380 reg = inreg(disp, GC_VSW_HSW_HSP);
381 fbi->var.hsync_len = ((reg & 0xff0000) >> 16) + 1;
382 fbi->var.vsync_len = ((reg & 0x3f000000) >> 24) + 1;
383 hsp = (reg & 0xffff) + 1;
384 ht = ((inreg(disp, GC_HTP) & 0xfff0000) >> 16) + 1;
385 fbi->var.right_margin = hsp - fbi->var.xres;
386 fbi->var.left_margin = ht - hsp - fbi->var.hsync_len;
387 vt = ((inreg(disp, GC_VTR) & 0xfff0000) >> 16) + 1;
388 fbi->var.lower_margin = vsp - fbi->var.yres;
389 fbi->var.upper_margin = vt - vsp - fbi->var.vsync_len;
390 } else if (mode) {
391 dev_dbg(par->dev, "using supplied mode\n");
392 fb_videomode_to_var(&fbi->var, (struct fb_videomode *)mode);
393 fbi->var.bits_per_pixel = mode->def_bpp ? mode->def_bpp : 8;
394 } else {
395 int ret;
396
397 ret = fb_find_mode(&fbi->var, fbi, "640x480-16@60",
398 NULL, 0, NULL, 16);
399 if (ret == 0 || ret == 4) {
400 dev_err(par->dev,
401 "failed to get initial mode\n");
402 return -EINVAL;
403 }
404 }
405
406 fbi->var.xoffset = 0;
407 fbi->var.yoffset = 0;
408 fbi->var.grayscale = 0;
409 fbi->var.nonstd = 0;
410 fbi->var.height = -1;
411 fbi->var.width = -1;
412 fbi->var.accel_flags = 0;
413 fbi->var.vmode = FB_VMODE_NONINTERLACED;
414 fbi->var.activate = FB_ACTIVATE_NOW;
415 fbi->flags = FBINFO_DEFAULT |
416#ifdef __BIG_ENDIAN
417 FBINFO_FOREIGN_ENDIAN |
418#endif
419 FBINFO_HWACCEL_XPAN |
420 FBINFO_HWACCEL_YPAN;
421
422 /* check and possibly fix bpp */
423 if ((fbi->fbops->fb_check_var)(&fbi->var, fbi))
424 dev_err(par->dev, "check_var() failed on initial setup?\n");
425
426 fbi->fix.visual = fbi->var.bits_per_pixel == 8 ?
427 FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
428 fbi->fix.line_length = (fbi->var.xres_virtual *
429 fbi->var.bits_per_pixel) / 8;
430 return 0;
431}
432
433/*
434 * show some display controller and cursor registers
435 */
436static ssize_t mb862xxfb_show_dispregs(struct device *dev,
437 struct device_attribute *attr, char *buf)
438{
439 struct fb_info *fbi = dev_get_drvdata(dev);
440 struct mb862xxfb_par *par = fbi->par;
441 char *ptr = buf;
442 unsigned int reg;
443
444 for (reg = GC_DCM0; reg <= GC_L0DY_L0DX; reg += 4)
445 ptr += sprintf(ptr, "%08x = %08x\n",
446 reg, inreg(disp, reg));
447
448 for (reg = GC_CPM_CUTC; reg <= GC_CUY1_CUX1; reg += 4)
449 ptr += sprintf(ptr, "%08x = %08x\n",
450 reg, inreg(disp, reg));
451
452 for (reg = GC_DCM1; reg <= GC_L0WH_L0WW; reg += 4)
453 ptr += sprintf(ptr, "%08x = %08x\n",
454 reg, inreg(disp, reg));
455
456 return ptr - buf;
457}
458
459static DEVICE_ATTR(dispregs, 0444, mb862xxfb_show_dispregs, NULL);
460
461irqreturn_t mb862xx_intr(int irq, void *dev_id)
462{
463 struct mb862xxfb_par *par = (struct mb862xxfb_par *) dev_id;
464 unsigned long reg_ist, mask;
465
466 if (!par)
467 return IRQ_NONE;
468
469 if (par->type == BT_CARMINE) {
470 /* Get Interrupt Status */
471 reg_ist = inreg(ctrl, GC_CTRL_STATUS);
472 mask = inreg(ctrl, GC_CTRL_INT_MASK);
473 if (reg_ist == 0)
474 return IRQ_HANDLED;
475
476 reg_ist &= mask;
477 if (reg_ist == 0)
478 return IRQ_HANDLED;
479
480 /* Clear interrupt status */
481 outreg(ctrl, 0x0, reg_ist);
482 } else {
483 /* Get status */
484 reg_ist = inreg(host, GC_IST);
485 mask = inreg(host, GC_IMASK);
486
487 reg_ist &= mask;
488 if (reg_ist == 0)
489 return IRQ_HANDLED;
490
491 /* Clear status */
492 outreg(host, GC_IST, ~reg_ist);
493 }
494 return IRQ_HANDLED;
495}
496
497#if defined(CONFIG_FB_MB862XX_LIME)
498/*
499 * GDC (Lime, Coral(B/Q), Mint, ...) on host bus
500 */
501static int mb862xx_gdc_init(struct mb862xxfb_par *par)
502{
503 unsigned long ccf, mmr;
504 unsigned long ver, rev;
505
506 if (!par)
507 return -ENODEV;
508
509#if defined(CONFIG_FB_PRE_INIT_FB)
510 par->pre_init = 1;
511#endif
512 par->host = par->mmio_base;
513 par->i2c = par->mmio_base + MB862XX_I2C_BASE;
514 par->disp = par->mmio_base + MB862XX_DISP_BASE;
515 par->cap = par->mmio_base + MB862XX_CAP_BASE;
516 par->draw = par->mmio_base + MB862XX_DRAW_BASE;
517 par->geo = par->mmio_base + MB862XX_GEO_BASE;
518 par->pio = par->mmio_base + MB862XX_PIO_BASE;
519
520 par->refclk = GC_DISP_REFCLK_400;
521
522 ver = inreg(host, GC_CID);
523 rev = inreg(pio, GC_REVISION);
524 if ((ver == 0x303) && (rev & 0xffffff00) == 0x20050100) {
525 dev_info(par->dev, "Fujitsu Lime v1.%d found\n",
526 (int)rev & 0xff);
527 par->type = BT_LIME;
528 ccf = par->gc_mode ? par->gc_mode->ccf : GC_CCF_COT_100;
529 mmr = par->gc_mode ? par->gc_mode->mmr : 0x414fb7f2;
530 } else {
531 dev_info(par->dev, "? GDC, CID/Rev.: 0x%lx/0x%lx \n", ver, rev);
532 return -ENODEV;
533 }
534
535 if (!par->pre_init) {
536 outreg(host, GC_CCF, ccf);
537 udelay(200);
538 outreg(host, GC_MMR, mmr);
539 udelay(10);
540 }
541
542 /* interrupt status */
543 outreg(host, GC_IST, 0);
544 outreg(host, GC_IMASK, GC_INT_EN);
545 return 0;
546}
547
548static int __devinit of_platform_mb862xx_probe(struct of_device *ofdev,
549 const struct of_device_id *id)
550{
551 struct device_node *np = ofdev->node;
552 struct device *dev = &ofdev->dev;
553 struct mb862xxfb_par *par;
554 struct fb_info *info;
555 struct resource res;
556 resource_size_t res_size;
557 unsigned long ret = -ENODEV;
558
559 if (of_address_to_resource(np, 0, &res)) {
560 dev_err(dev, "Invalid address\n");
561 return -ENXIO;
562 }
563
564 info = framebuffer_alloc(sizeof(struct mb862xxfb_par), dev);
565 if (info == NULL) {
566 dev_err(dev, "cannot allocate framebuffer\n");
567 return -ENOMEM;
568 }
569
570 par = info->par;
571 par->info = info;
572 par->dev = dev;
573
574 par->irq = irq_of_parse_and_map(np, 0);
575 if (par->irq == NO_IRQ) {
576 dev_err(dev, "failed to map irq\n");
577 ret = -ENODEV;
578 goto fbrel;
579 }
580
581 res_size = 1 + res.end - res.start;
582 par->res = request_mem_region(res.start, res_size, DRV_NAME);
583 if (par->res == NULL) {
584 dev_err(dev, "Cannot claim framebuffer/mmio\n");
585 ret = -ENXIO;
586 goto irqdisp;
587 }
588
589#if defined(CONFIG_LWMON5)
590 par->gc_mode = &lwmon5_gc_mode;
591#endif
592
593#if defined(CONFIG_SOCRATES)
594 par->gc_mode = &socrates_gc_mode;
595#endif
596
597 par->fb_base_phys = res.start;
598 par->mmio_base_phys = res.start + MB862XX_MMIO_BASE;
599 par->mmio_len = MB862XX_MMIO_SIZE;
600 if (par->gc_mode)
601 par->mapped_vram = par->gc_mode->max_vram;
602 else
603 par->mapped_vram = MB862XX_MEM_SIZE;
604
605 par->fb_base = ioremap(par->fb_base_phys, par->mapped_vram);
606 if (par->fb_base == NULL) {
607 dev_err(dev, "Cannot map framebuffer\n");
608 goto rel_reg;
609 }
610
611 par->mmio_base = ioremap(par->mmio_base_phys, par->mmio_len);
612 if (par->mmio_base == NULL) {
613 dev_err(dev, "Cannot map registers\n");
614 goto fb_unmap;
615 }
616
617 dev_dbg(dev, "fb phys 0x%llx 0x%lx\n",
618 (u64)par->fb_base_phys, (ulong)par->mapped_vram);
619 dev_dbg(dev, "mmio phys 0x%llx 0x%lx, (irq = %d)\n",
620 (u64)par->mmio_base_phys, (ulong)par->mmio_len, par->irq);
621
622 if (mb862xx_gdc_init(par))
623 goto io_unmap;
624
625 if (request_irq(par->irq, mb862xx_intr, IRQF_DISABLED,
626 DRV_NAME, (void *)par)) {
627 dev_err(dev, "Cannot request irq\n");
628 goto io_unmap;
629 }
630
631 mb862xxfb_init_fbinfo(info);
632
633 if (fb_alloc_cmap(&info->cmap, NR_PALETTE, 0) < 0) {
634 dev_err(dev, "Could not allocate cmap for fb_info.\n");
635 goto free_irq;
636 }
637
638 if ((info->fbops->fb_set_par)(info))
639 dev_err(dev, "set_var() failed on initial setup?\n");
640
641 if (register_framebuffer(info)) {
642 dev_err(dev, "failed to register framebuffer\n");
643 goto rel_cmap;
644 }
645
646 dev_set_drvdata(dev, info);
647
648 if (device_create_file(dev, &dev_attr_dispregs))
649 dev_err(dev, "Can't create sysfs regdump file\n");
650 return 0;
651
652rel_cmap:
653 fb_dealloc_cmap(&info->cmap);
654free_irq:
655 outreg(host, GC_IMASK, 0);
656 free_irq(par->irq, (void *)par);
657io_unmap:
658 iounmap(par->mmio_base);
659fb_unmap:
660 iounmap(par->fb_base);
661rel_reg:
662 release_mem_region(res.start, res_size);
663irqdisp:
664 irq_dispose_mapping(par->irq);
665fbrel:
666 dev_set_drvdata(dev, NULL);
667 framebuffer_release(info);
668 return ret;
669}
670
671static int __devexit of_platform_mb862xx_remove(struct of_device *ofdev)
672{
673 struct fb_info *fbi = dev_get_drvdata(&ofdev->dev);
674 struct mb862xxfb_par *par = fbi->par;
675 resource_size_t res_size = 1 + par->res->end - par->res->start;
676 unsigned long reg;
677
678 dev_dbg(fbi->dev, "%s release\n", fbi->fix.id);
679
680 /* display off */
681 reg = inreg(disp, GC_DCM1);
682 reg &= ~(GC_DCM01_DEN | GC_DCM01_L0E);
683 outreg(disp, GC_DCM1, reg);
684
685 /* disable interrupts */
686 outreg(host, GC_IMASK, 0);
687
688 free_irq(par->irq, (void *)par);
689 irq_dispose_mapping(par->irq);
690
691 device_remove_file(&ofdev->dev, &dev_attr_dispregs);
692
693 unregister_framebuffer(fbi);
694 fb_dealloc_cmap(&fbi->cmap);
695
696 iounmap(par->mmio_base);
697 iounmap(par->fb_base);
698
699 dev_set_drvdata(&ofdev->dev, NULL);
700 release_mem_region(par->res->start, res_size);
701 framebuffer_release(fbi);
702 return 0;
703}
704
705/*
706 * common types
707 */
708static struct of_device_id __devinitdata of_platform_mb862xx_tbl[] = {
709 { .compatible = "fujitsu,MB86276", },
710 { .compatible = "fujitsu,lime", },
711 { .compatible = "fujitsu,MB86277", },
712 { .compatible = "fujitsu,mint", },
713 { .compatible = "fujitsu,MB86293", },
714 { .compatible = "fujitsu,MB86294", },
715 { .compatible = "fujitsu,coral", },
716 { /* end */ }
717};
718
719static struct of_platform_driver of_platform_mb862xxfb_driver = {
720 .owner = THIS_MODULE,
721 .name = DRV_NAME,
722 .match_table = of_platform_mb862xx_tbl,
723 .probe = of_platform_mb862xx_probe,
724 .remove = __devexit_p(of_platform_mb862xx_remove),
725};
726#endif
727
728#if defined(CONFIG_FB_MB862XX_PCI_GDC)
729static int coralp_init(struct mb862xxfb_par *par)
730{
731 int cn, ver;
732
733 par->host = par->mmio_base;
734 par->i2c = par->mmio_base + MB862XX_I2C_BASE;
735 par->disp = par->mmio_base + MB862XX_DISP_BASE;
736 par->cap = par->mmio_base + MB862XX_CAP_BASE;
737 par->draw = par->mmio_base + MB862XX_DRAW_BASE;
738 par->geo = par->mmio_base + MB862XX_GEO_BASE;
739 par->pio = par->mmio_base + MB862XX_PIO_BASE;
740
741 par->refclk = GC_DISP_REFCLK_400;
742
743 ver = inreg(host, GC_CID);
744 cn = (ver & GC_CID_CNAME_MSK) >> 8;
745 ver = ver & GC_CID_VERSION_MSK;
746 if (cn == 3) {
747 dev_info(par->dev, "Fujitsu Coral-%s GDC Rev.%d found\n",\
748 (ver == 6) ? "P" : (ver == 8) ? "PA" : "?",
749 par->pdev->revision);
750 outreg(host, GC_CCF, GC_CCF_CGE_166 | GC_CCF_COT_133);
751 udelay(200);
752 outreg(host, GC_MMR, GC_MMR_CORALP_EVB_VAL);
753 udelay(10);
754 /* Clear interrupt status */
755 outreg(host, GC_IST, 0);
756 } else {
757 return -ENODEV;
758 }
759 return 0;
760}
761
762static int init_dram_ctrl(struct mb862xxfb_par *par)
763{
764 unsigned long i = 0;
765
766 /*
767 * Set io mode first! Spec. says IC may be destroyed
768 * if not set to SSTL2/LVCMOS before init.
769 */
770 outreg(dram_ctrl, GC_DCTL_IOCONT1_IOCONT0, GC_EVB_DCTL_IOCONT1_IOCONT0);
771
772 /* DRAM init */
773 outreg(dram_ctrl, GC_DCTL_MODE_ADD, GC_EVB_DCTL_MODE_ADD);
774 outreg(dram_ctrl, GC_DCTL_SETTIME1_EMODE, GC_EVB_DCTL_SETTIME1_EMODE);
775 outreg(dram_ctrl, GC_DCTL_REFRESH_SETTIME2,
776 GC_EVB_DCTL_REFRESH_SETTIME2);
777 outreg(dram_ctrl, GC_DCTL_RSV2_RSV1, GC_EVB_DCTL_RSV2_RSV1);
778 outreg(dram_ctrl, GC_DCTL_DDRIF2_DDRIF1, GC_EVB_DCTL_DDRIF2_DDRIF1);
779 outreg(dram_ctrl, GC_DCTL_RSV0_STATES, GC_EVB_DCTL_RSV0_STATES);
780
781 /* DLL reset done? */
782 while ((inreg(dram_ctrl, GC_DCTL_RSV0_STATES) & GC_DCTL_STATES_MSK)) {
783 udelay(GC_DCTL_INIT_WAIT_INTERVAL);
784 if (i++ > GC_DCTL_INIT_WAIT_CNT) {
785 dev_err(par->dev, "VRAM init failed.\n");
786 return -EINVAL;
787 }
788 }
789 outreg(dram_ctrl, GC_DCTL_MODE_ADD, GC_EVB_DCTL_MODE_ADD_AFT_RST);
790 outreg(dram_ctrl, GC_DCTL_RSV0_STATES, GC_EVB_DCTL_RSV0_STATES_AFT_RST);
791 return 0;
792}
793
794static int carmine_init(struct mb862xxfb_par *par)
795{
796 unsigned long reg;
797
798 par->ctrl = par->mmio_base + MB86297_CTRL_BASE;
799 par->i2c = par->mmio_base + MB86297_I2C_BASE;
800 par->disp = par->mmio_base + MB86297_DISP0_BASE;
801 par->disp1 = par->mmio_base + MB86297_DISP1_BASE;
802 par->cap = par->mmio_base + MB86297_CAP0_BASE;
803 par->cap1 = par->mmio_base + MB86297_CAP1_BASE;
804 par->draw = par->mmio_base + MB86297_DRAW_BASE;
805 par->dram_ctrl = par->mmio_base + MB86297_DRAMCTRL_BASE;
806 par->wrback = par->mmio_base + MB86297_WRBACK_BASE;
807
808 par->refclk = GC_DISP_REFCLK_533;
809
810 /* warm up */
811 reg = GC_CTRL_CLK_EN_DRAM | GC_CTRL_CLK_EN_2D3D | GC_CTRL_CLK_EN_DISP0;
812 outreg(ctrl, GC_CTRL_CLK_ENABLE, reg);
813
814 /* check for engine module revision */
815 if (inreg(draw, GC_2D3D_REV) == GC_RE_REVISION)
816 dev_info(par->dev, "Fujitsu Carmine GDC Rev.%d found\n",
817 par->pdev->revision);
818 else
819 goto err_init;
820
821 reg &= ~GC_CTRL_CLK_EN_2D3D;
822 outreg(ctrl, GC_CTRL_CLK_ENABLE, reg);
823
824 /* set up vram */
825 if (init_dram_ctrl(par) < 0)
826 goto err_init;
827
828 outreg(ctrl, GC_CTRL_INT_MASK, 0);
829 return 0;
830
831err_init:
832 outreg(ctrl, GC_CTRL_CLK_ENABLE, 0);
833 return -EINVAL;
834}
835
836static inline int mb862xx_pci_gdc_init(struct mb862xxfb_par *par)
837{
838 switch (par->type) {
839 case BT_CORALP:
840 return coralp_init(par);
841 case BT_CARMINE:
842 return carmine_init(par);
843 default:
844 return -ENODEV;
845 }
846}
847
848#define CHIP_ID(id) \
849 { PCI_DEVICE(PCI_VENDOR_ID_FUJITSU_LIMITED, id) }
850
851static struct pci_device_id mb862xx_pci_tbl[] __devinitdata = {
852 /* MB86295/MB86296 */
853 CHIP_ID(PCI_DEVICE_ID_FUJITSU_CORALP),
854 CHIP_ID(PCI_DEVICE_ID_FUJITSU_CORALPA),
855 /* MB86297 */
856 CHIP_ID(PCI_DEVICE_ID_FUJITSU_CARMINE),
857 { 0, }
858};
859
860MODULE_DEVICE_TABLE(pci, mb862xx_pci_tbl);
861
862static int __devinit mb862xx_pci_probe(struct pci_dev *pdev,
863 const struct pci_device_id *ent)
864{
865 struct mb862xxfb_par *par;
866 struct fb_info *info;
867 struct device *dev = &pdev->dev;
868 int ret;
869
870 ret = pci_enable_device(pdev);
871 if (ret < 0) {
872 dev_err(dev, "Cannot enable PCI device\n");
873 goto out;
874 }
875
876 info = framebuffer_alloc(sizeof(struct mb862xxfb_par), dev);
877 if (!info) {
878 dev_err(dev, "framebuffer alloc failed\n");
879 ret = -ENOMEM;
880 goto dis_dev;
881 }
882
883 par = info->par;
884 par->info = info;
885 par->dev = dev;
886 par->pdev = pdev;
887 par->irq = pdev->irq;
888
889 ret = pci_request_regions(pdev, DRV_NAME);
890 if (ret < 0) {
891 dev_err(dev, "Cannot reserve region(s) for PCI device\n");
892 goto rel_fb;
893 }
894
895 switch (pdev->device) {
896 case PCI_DEVICE_ID_FUJITSU_CORALP:
897 case PCI_DEVICE_ID_FUJITSU_CORALPA:
898 par->fb_base_phys = pci_resource_start(par->pdev, 0);
899 par->mapped_vram = CORALP_MEM_SIZE;
900 par->mmio_base_phys = par->fb_base_phys + MB862XX_MMIO_BASE;
901 par->mmio_len = MB862XX_MMIO_SIZE;
902 par->type = BT_CORALP;
903 break;
904 case PCI_DEVICE_ID_FUJITSU_CARMINE:
905 par->fb_base_phys = pci_resource_start(par->pdev, 2);
906 par->mmio_base_phys = pci_resource_start(par->pdev, 3);
907 par->mmio_len = pci_resource_len(par->pdev, 3);
908 par->mapped_vram = CARMINE_MEM_SIZE;
909 par->type = BT_CARMINE;
910 break;
911 default:
912 /* should never occur */
913 goto rel_reg;
914 }
915
916 par->fb_base = ioremap(par->fb_base_phys, par->mapped_vram);
917 if (par->fb_base == NULL) {
918 dev_err(dev, "Cannot map framebuffer\n");
919 goto rel_reg;
920 }
921
922 par->mmio_base = ioremap(par->mmio_base_phys, par->mmio_len);
923 if (par->mmio_base == NULL) {
924 dev_err(dev, "Cannot map registers\n");
925 ret = -EIO;
926 goto fb_unmap;
927 }
928
929 dev_dbg(dev, "fb phys 0x%llx 0x%lx\n",
930 (u64)par->fb_base_phys, (ulong)par->mapped_vram);
931 dev_dbg(dev, "mmio phys 0x%llx 0x%lx\n",
932 (u64)par->mmio_base_phys, (ulong)par->mmio_len);
933
934 if (mb862xx_pci_gdc_init(par))
935 goto io_unmap;
936
937 if (request_irq(par->irq, mb862xx_intr, IRQF_DISABLED | IRQF_SHARED,
938 DRV_NAME, (void *)par)) {
939 dev_err(dev, "Cannot request irq\n");
940 goto io_unmap;
941 }
942
943 mb862xxfb_init_fbinfo(info);
944
945 if (fb_alloc_cmap(&info->cmap, NR_PALETTE, 0) < 0) {
946 dev_err(dev, "Could not allocate cmap for fb_info.\n");
947 ret = -ENOMEM;
948 goto free_irq;
949 }
950
951 if ((info->fbops->fb_set_par)(info))
952 dev_err(dev, "set_var() failed on initial setup?\n");
953
954 ret = register_framebuffer(info);
955 if (ret < 0) {
956 dev_err(dev, "failed to register framebuffer\n");
957 goto rel_cmap;
958 }
959
960 pci_set_drvdata(pdev, info);
961
962 if (device_create_file(dev, &dev_attr_dispregs))
963 dev_err(dev, "Can't create sysfs regdump file\n");
964
965 if (par->type == BT_CARMINE)
966 outreg(ctrl, GC_CTRL_INT_MASK, GC_CARMINE_INT_EN);
967 else
968 outreg(host, GC_IMASK, GC_INT_EN);
969
970 return 0;
971
972rel_cmap:
973 fb_dealloc_cmap(&info->cmap);
974free_irq:
975 free_irq(par->irq, (void *)par);
976io_unmap:
977 iounmap(par->mmio_base);
978fb_unmap:
979 iounmap(par->fb_base);
980rel_reg:
981 pci_release_regions(pdev);
982rel_fb:
983 framebuffer_release(info);
984dis_dev:
985 pci_disable_device(pdev);
986out:
987 return ret;
988}
989
990static void __devexit mb862xx_pci_remove(struct pci_dev *pdev)
991{
992 struct fb_info *fbi = pci_get_drvdata(pdev);
993 struct mb862xxfb_par *par = fbi->par;
994 unsigned long reg;
995
996 dev_dbg(fbi->dev, "%s release\n", fbi->fix.id);
997
998 /* display off */
999 reg = inreg(disp, GC_DCM1);
1000 reg &= ~(GC_DCM01_DEN | GC_DCM01_L0E);
1001 outreg(disp, GC_DCM1, reg);
1002
1003 if (par->type == BT_CARMINE) {
1004 outreg(ctrl, GC_CTRL_INT_MASK, 0);
1005 outreg(ctrl, GC_CTRL_CLK_ENABLE, 0);
1006 } else {
1007 outreg(host, GC_IMASK, 0);
1008 }
1009
1010 device_remove_file(&pdev->dev, &dev_attr_dispregs);
1011
1012 pci_set_drvdata(pdev, NULL);
1013 unregister_framebuffer(fbi);
1014 fb_dealloc_cmap(&fbi->cmap);
1015
1016 free_irq(par->irq, (void *)par);
1017 iounmap(par->mmio_base);
1018 iounmap(par->fb_base);
1019
1020 pci_release_regions(pdev);
1021 framebuffer_release(fbi);
1022 pci_disable_device(pdev);
1023}
1024
1025static struct pci_driver mb862xxfb_pci_driver = {
1026 .name = DRV_NAME,
1027 .id_table = mb862xx_pci_tbl,
1028 .probe = mb862xx_pci_probe,
1029 .remove = __devexit_p(mb862xx_pci_remove),
1030};
1031#endif
1032
1033static int __devinit mb862xxfb_init(void)
1034{
1035 int ret = -ENODEV;
1036
1037#if defined(CONFIG_FB_MB862XX_LIME)
1038 ret = of_register_platform_driver(&of_platform_mb862xxfb_driver);
1039#endif
1040#if defined(CONFIG_FB_MB862XX_PCI_GDC)
1041 ret = pci_register_driver(&mb862xxfb_pci_driver);
1042#endif
1043 return ret;
1044}
1045
1046static void __exit mb862xxfb_exit(void)
1047{
1048#if defined(CONFIG_FB_MB862XX_LIME)
1049 of_unregister_platform_driver(&of_platform_mb862xxfb_driver);
1050#endif
1051#if defined(CONFIG_FB_MB862XX_PCI_GDC)
1052 pci_unregister_driver(&mb862xxfb_pci_driver);
1053#endif
1054}
1055
1056module_init(mb862xxfb_init);
1057module_exit(mb862xxfb_exit);
1058
1059MODULE_DESCRIPTION("Fujitsu MB862xx Framebuffer driver");
1060MODULE_AUTHOR("Anatolij Gustschin <agust@denx.de>");
1061MODULE_LICENSE("GPL v2");
diff --git a/drivers/video/mb862xx/mb862xxfb.h b/drivers/video/mb862xx/mb862xxfb.h
new file mode 100644
index 000000000000..c4c8f4dd2217
--- /dev/null
+++ b/drivers/video/mb862xx/mb862xxfb.h
@@ -0,0 +1,83 @@
1#ifndef __MB862XX_H__
2#define __MB862XX_H__
3
4#define PCI_VENDOR_ID_FUJITSU_LIMITED 0x10cf
5#define PCI_DEVICE_ID_FUJITSU_CORALP 0x2019
6#define PCI_DEVICE_ID_FUJITSU_CORALPA 0x201e
7#define PCI_DEVICE_ID_FUJITSU_CARMINE 0x202b
8
9#define GC_MMR_CORALP_EVB_VAL 0x11d7fa13
10
11enum gdctype {
12 BT_NONE,
13 BT_LIME,
14 BT_MINT,
15 BT_CORAL,
16 BT_CORALP,
17 BT_CARMINE,
18};
19
20struct mb862xx_gc_mode {
21 struct fb_videomode def_mode; /* mode of connected display */
22 unsigned int def_bpp; /* default depth */
23 unsigned long max_vram; /* connected SDRAM size */
24 unsigned long ccf; /* gdc clk */
25 unsigned long mmr; /* memory mode for SDRAM */
26};
27
28/* private data */
29struct mb862xxfb_par {
30 struct fb_info *info; /* fb info head */
31 struct device *dev;
32 struct pci_dev *pdev;
33 struct resource *res; /* framebuffer/mmio resource */
34
35 resource_size_t fb_base_phys; /* fb base, 36-bit PPC440EPx */
36 resource_size_t mmio_base_phys; /* io base addr */
37 void __iomem *fb_base; /* remapped framebuffer */
38 void __iomem *mmio_base; /* remapped registers */
39 size_t mapped_vram; /* length of remapped vram */
40 size_t mmio_len; /* length of register region */
41
42 void __iomem *host; /* relocatable reg. bases */
43 void __iomem *i2c;
44 void __iomem *disp;
45 void __iomem *disp1;
46 void __iomem *cap;
47 void __iomem *cap1;
48 void __iomem *draw;
49 void __iomem *geo;
50 void __iomem *pio;
51 void __iomem *ctrl;
52 void __iomem *dram_ctrl;
53 void __iomem *wrback;
54
55 unsigned int irq;
56 unsigned int type; /* GDC type */
57 unsigned int refclk; /* disp. reference clock */
58 struct mb862xx_gc_mode *gc_mode; /* GDC mode init data */
59 int pre_init; /* don't init display if 1 */
60
61 u32 pseudo_palette[16];
62};
63
64#if defined(CONFIG_FB_MB862XX_LIME) && defined(CONFIG_FB_MB862XX_PCI_GDC)
65#error "Select Lime GDC or CoralP/Carmine support, but not both together"
66#endif
67#if defined(CONFIG_FB_MB862XX_LIME)
68#define gdc_read __raw_readl
69#define gdc_write __raw_writel
70#else
71#define gdc_read readl
72#define gdc_write writel
73#endif
74
75#define inreg(type, off) \
76 gdc_read((par->type + (off)))
77
78#define outreg(type, off, val) \
79 gdc_write((val), (par->type + (off)))
80
81#define pack(a, b) (((a) << 16) | (b))
82
83#endif
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-19 09:26:47 -0500