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authorPete Popov <ppopov@embeddedalley.com>2005-04-03 21:06:19 -0400
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 14:31:01 -0400
commit3b495f2bb749b828499135743b9ddec46e34fda8 (patch)
tree5f787ed9829ef01a457428114ccd3547cf6c88da /drivers
parent172546bf601356f94f8018af7908a9b7c1c4915c (diff)
Au1100 FB driver uplift for 2.6.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Acked-by: Antonino Daplas <adaplas@pol.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/Makefile2
-rw-r--r--drivers/video/au1100fb.c971
-rw-r--r--drivers/video/au1100fb.h614
3 files changed, 810 insertions, 777 deletions
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 1fff29f48ca8..97c5d03ac8d9 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -86,7 +86,7 @@ obj-$(CONFIG_FB_CIRRUS) += cirrusfb.o
86obj-$(CONFIG_FB_ASILIANT) += asiliantfb.o 86obj-$(CONFIG_FB_ASILIANT) += asiliantfb.o
87obj-$(CONFIG_FB_PXA) += pxafb.o 87obj-$(CONFIG_FB_PXA) += pxafb.o
88obj-$(CONFIG_FB_W100) += w100fb.o 88obj-$(CONFIG_FB_W100) += w100fb.o
89obj-$(CONFIG_FB_AU1100) += au1100fb.o fbgen.o 89obj-$(CONFIG_FB_AU1100) += au1100fb.o
90obj-$(CONFIG_FB_PMAG_AA) += pmag-aa-fb.o 90obj-$(CONFIG_FB_PMAG_AA) += pmag-aa-fb.o
91obj-$(CONFIG_FB_PMAG_BA) += pmag-ba-fb.o 91obj-$(CONFIG_FB_PMAG_BA) += pmag-ba-fb.o
92obj-$(CONFIG_FB_PMAGB_B) += pmagb-b-fb.o 92obj-$(CONFIG_FB_PMAGB_B) += pmagb-b-fb.o
diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c
index b6fe30c3ad62..a5129806172f 100644
--- a/drivers/video/au1100fb.c
+++ b/drivers/video/au1100fb.c
@@ -2,6 +2,11 @@
2 * BRIEF MODULE DESCRIPTION 2 * BRIEF MODULE DESCRIPTION
3 * Au1100 LCD Driver. 3 * Au1100 LCD Driver.
4 * 4 *
5 * Rewritten for 2.6 by Embedded Alley Solutions
6 * <source@embeddedalley.com>, based on submissions by
7 * Karl Lessard <klessard@sunrisetelecom.com>
8 * <c.pellegrin@exadron.com>
9 *
5 * Copyright 2002 MontaVista Software 10 * Copyright 2002 MontaVista Software
6 * Author: MontaVista Software, Inc. 11 * Author: MontaVista Software, Inc.
7 * ppopov@mvista.com or source@mvista.com 12 * ppopov@mvista.com or source@mvista.com
@@ -33,298 +38,253 @@
33 * with this program; if not, write to the Free Software Foundation, Inc., 38 * with this program; if not, write to the Free Software Foundation, Inc.,
34 * 675 Mass Ave, Cambridge, MA 02139, USA. 39 * 675 Mass Ave, Cambridge, MA 02139, USA.
35 */ 40 */
36 41#include <linux/config.h>
37#include <linux/module.h> 42#include <linux/module.h>
38#include <linux/kernel.h> 43#include <linux/kernel.h>
39#include <linux/errno.h> 44#include <linux/errno.h>
40#include <linux/string.h> 45#include <linux/string.h>
41#include <linux/mm.h> 46#include <linux/mm.h>
42#include <linux/tty.h>
43#include <linux/slab.h>
44#include <linux/delay.h>
45#include <linux/fb.h> 47#include <linux/fb.h>
46#include <linux/init.h> 48#include <linux/init.h>
47#include <linux/pci.h> 49#include <linux/interrupt.h>
50#include <linux/ctype.h>
51#include <linux/dma-mapping.h>
48 52
49#include <asm/au1000.h> 53#include <asm/mach-au1x00/au1000.h>
50#include <asm/pb1100.h>
51#include "au1100fb.h"
52 54
53#include <video/fbcon.h> 55#define DEBUG 0
54#include <video/fbcon-mfb.h> 56
55#include <video/fbcon-cfb2.h> 57#include "au1100fb.h"
56#include <video/fbcon-cfb4.h>
57#include <video/fbcon-cfb8.h>
58#include <video/fbcon-cfb16.h>
59 58
60/* 59/*
61 * Sanity check. If this is a new Au1100 based board, search for 60 * Sanity check. If this is a new Au1100 based board, search for
62 * the PB1100 ifdefs to make sure you modify the code accordingly. 61 * the PB1100 ifdefs to make sure you modify the code accordingly.
63 */ 62 */
64#if defined(CONFIG_MIPS_PB1100) || defined(CONFIG_MIPS_DB1100) || defined(CONFIG_MIPS_HYDROGEN3) 63#if defined(CONFIG_MIPS_PB1100)
64 #include <asm/mach-pb1x00/pb1100.h>
65#elif defined(CONFIG_MIPS_DB1100)
66 #include <asm/mach-db1x00/db1x00.h>
65#else 67#else
66error Unknown Au1100 board 68 #error "Unknown Au1100 board, Au1100 FB driver not supported"
67#endif 69#endif
68 70
69#define CMAPSIZE 16 71#define DRIVER_NAME "au1100fb"
70 72#define DRIVER_DESC "LCD controller driver for AU1100 processors"
71static int my_lcd_index; /* default is zero */
72struct known_lcd_panels *p_lcd;
73AU1100_LCD *p_lcd_reg = (AU1100_LCD *)AU1100_LCD_ADDR;
74
75struct au1100fb_info {
76 struct fb_info_gen gen;
77 unsigned long fb_virt_start;
78 unsigned long fb_size;
79 unsigned long fb_phys;
80 int mmaped;
81 int nohwcursor;
82 73
83 struct { unsigned red, green, blue, pad; } palette[256]; 74#define to_au1100fb_device(_info) \
75 (_info ? container_of(_info, struct au1100fb_device, info) : NULL);
84 76
85#if defined(FBCON_HAS_CFB16) 77/* Bitfields format supported by the controller. Note that the order of formats
86 u16 fbcon_cmap16[16]; 78 * SHOULD be the same as in the LCD_CONTROL_SBPPF field, so we can retrieve the
87#endif 79 * right pixel format by doing rgb_bitfields[LCD_CONTROL_SBPPF_XXX >> LCD_CONTROL_SBPPF]
80 */
81struct fb_bitfield rgb_bitfields[][4] =
82{
83 /* Red, Green, Blue, Transp */
84 { { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
85 { { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } },
86 { { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } },
87 { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } },
88 { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } },
89
90 /* The last is used to describe 12bpp format */
91 { { 8, 4, 0 }, { 4, 4, 0 }, { 0, 4, 0 }, { 0, 0, 0 } },
88}; 92};
89 93
90 94static struct fb_fix_screeninfo au1100fb_fix __initdata = {
91struct au1100fb_par { 95 .id = "AU1100 FB",
92 struct fb_var_screeninfo var; 96 .xpanstep = 1,
93 97 .ypanstep = 1,
94 int line_length; // in bytes 98 .type = FB_TYPE_PACKED_PIXELS,
95 int cmap_len; // color-map length 99 .accel = FB_ACCEL_NONE,
96}; 100};
97 101
98 102static struct fb_var_screeninfo au1100fb_var __initdata = {
99static struct au1100fb_info fb_info; 103 .activate = FB_ACTIVATE_NOW,
100static struct au1100fb_par current_par; 104 .height = -1,
101static struct display disp; 105 .width = -1,
102 106 .vmode = FB_VMODE_NONINTERLACED,
103int au1100fb_init(void);
104void au1100fb_setup(char *options, int *ints);
105static int au1100fb_mmap(struct fb_info *fb, struct file *file,
106 struct vm_area_struct *vma);
107static int au1100_blank(int blank_mode, struct fb_info_gen *info);
108static int au1100fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
109 u_long arg, int con, struct fb_info *info);
110
111void au1100_nocursor(struct display *p, int mode, int xx, int yy){};
112
113static struct fb_ops au1100fb_ops = {
114 .owner = THIS_MODULE,
115 .fb_get_fix = fbgen_get_fix,
116 .fb_get_var = fbgen_get_var,
117 .fb_set_var = fbgen_set_var,
118 .fb_get_cmap = fbgen_get_cmap,
119 .fb_set_cmap = fbgen_set_cmap,
120 .fb_pan_display = fbgen_pan_display,
121 .fb_ioctl = au1100fb_ioctl,
122 .fb_mmap = au1100fb_mmap,
123}; 107};
124 108
125static void au1100_detect(void) 109static struct au1100fb_drv_info drv_info;
126{
127 /*
128 * This function should detect the current video mode settings
129 * and store it as the default video mode
130 */
131 110
132 /* 111/*
133 * Yeh, well, we're not going to change any settings so we're 112 * Set hardware with var settings. This will enable the controller with a specific
134 * always stuck with the default ... 113 * mode, normally validated with the fb_check_var method
135 */ 114 */
136 115int au1100fb_setmode(struct au1100fb_device *fbdev)
137}
138
139static int au1100_encode_fix(struct fb_fix_screeninfo *fix,
140 const void *_par, struct fb_info_gen *_info)
141{ 116{
142 struct au1100fb_info *info = (struct au1100fb_info *) _info; 117 struct fb_info *info = &fbdev->info;
143 struct au1100fb_par *par = (struct au1100fb_par *) _par; 118 u32 words;
144 struct fb_var_screeninfo *var = &par->var; 119 int index;
145
146 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
147
148 fix->smem_start = info->fb_phys;
149 fix->smem_len = info->fb_size;
150 fix->type = FB_TYPE_PACKED_PIXELS;
151 fix->type_aux = 0;
152 fix->visual = (var->bits_per_pixel == 8) ?
153 FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
154 fix->ywrapstep = 0;
155 fix->xpanstep = 1;
156 fix->ypanstep = 1;
157 fix->line_length = current_par.line_length;
158 return 0;
159}
160 120
161static void set_color_bitfields(struct fb_var_screeninfo *var) 121 if (!fbdev)
162{ 122 return -EINVAL;
163 switch (var->bits_per_pixel) { 123
164 case 8: 124 /* Update var-dependent FB info */
165 var->red.offset = 0; 125 if (panel_is_active(fbdev->panel) || panel_is_color(fbdev->panel)) {
166 var->red.length = 8; 126 if (info->var.bits_per_pixel <= 8) {
167 var->green.offset = 0; 127 /* palettized */
168 var->green.length = 8; 128 info->var.red.offset = 0;
169 var->blue.offset = 0; 129 info->var.red.length = info->var.bits_per_pixel;
170 var->blue.length = 8; 130 info->var.red.msb_right = 0;
171 var->transp.offset = 0; 131
172 var->transp.length = 0; 132 info->var.green.offset = 0;
173 break; 133 info->var.green.length = info->var.bits_per_pixel;
174 case 16: /* RGB 565 */ 134 info->var.green.msb_right = 0;
175 var->red.offset = 11; 135
176 var->red.length = 5; 136 info->var.blue.offset = 0;
177 var->green.offset = 5; 137 info->var.blue.length = info->var.bits_per_pixel;
178 var->green.length = 6; 138 info->var.blue.msb_right = 0;
179 var->blue.offset = 0; 139
180 var->blue.length = 5; 140 info->var.transp.offset = 0;
181 var->transp.offset = 0; 141 info->var.transp.length = 0;
182 var->transp.length = 0; 142 info->var.transp.msb_right = 0;
183 break; 143
144 info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
145 info->fix.line_length = info->var.xres_virtual /
146 (8/info->var.bits_per_pixel);
147 } else {
148 /* non-palettized */
149 index = (fbdev->panel->control_base & LCD_CONTROL_SBPPF_MASK) >> LCD_CONTROL_SBPPF_BIT;
150 info->var.red = rgb_bitfields[index][0];
151 info->var.green = rgb_bitfields[index][1];
152 info->var.blue = rgb_bitfields[index][2];
153 info->var.transp = rgb_bitfields[index][3];
154
155 info->fix.visual = FB_VISUAL_TRUECOLOR;
156 info->fix.line_length = info->var.xres_virtual << 1; /* depth=16 */
157 }
158 } else {
159 /* mono */
160 info->fix.visual = FB_VISUAL_MONO10;
161 info->fix.line_length = info->var.xres_virtual / 8;
184 } 162 }
185 163
186 var->red.msb_right = 0; 164 info->screen_size = info->fix.line_length * info->var.yres_virtual;
187 var->green.msb_right = 0;
188 var->blue.msb_right = 0;
189 var->transp.msb_right = 0;
190}
191 165
192static int au1100_decode_var(const struct fb_var_screeninfo *var, 166 /* Determine BPP mode and format */
193 void *_par, struct fb_info_gen *_info) 167 fbdev->regs->lcd_control = fbdev->panel->control_base |
194{ 168 ((info->var.rotate/90) << LCD_CONTROL_SM_BIT);
195 169
196 struct au1100fb_par *par = (struct au1100fb_par *)_par; 170 fbdev->regs->lcd_intenable = 0;
171 fbdev->regs->lcd_intstatus = 0;
197 172
198 /* 173 fbdev->regs->lcd_horztiming = fbdev->panel->horztiming;
199 * Don't allow setting any of these yet: xres and yres don't
200 * make sense for LCD panels.
201 */
202 if (var->xres != p_lcd->xres ||
203 var->yres != p_lcd->yres ||
204 var->xres != p_lcd->xres ||
205 var->yres != p_lcd->yres) {
206 return -EINVAL;
207 }
208 if(var->bits_per_pixel != p_lcd->bpp) {
209 return -EINVAL;
210 }
211 174
212 memset(par, 0, sizeof(struct au1100fb_par)); 175 fbdev->regs->lcd_verttiming = fbdev->panel->verttiming;
213 par->var = *var; 176
214 177 fbdev->regs->lcd_clkcontrol = fbdev->panel->clkcontrol_base;
215 /* FIXME */
216 switch (var->bits_per_pixel) {
217 case 8:
218 par->var.bits_per_pixel = 8;
219 break;
220 case 16:
221 par->var.bits_per_pixel = 16;
222 break;
223 default:
224 printk("color depth %d bpp not supported\n",
225 var->bits_per_pixel);
226 return -EINVAL;
227 178
179 fbdev->regs->lcd_dmaaddr0 = LCD_DMA_SA_N(fbdev->fb_phys);
180
181 if (panel_is_dual(fbdev->panel)) {
182 /* Second panel display seconf half of screen if possible,
183 * otherwise display the same as the first panel */
184 if (info->var.yres_virtual >= (info->var.yres << 1)) {
185 fbdev->regs->lcd_dmaaddr1 = LCD_DMA_SA_N(fbdev->fb_phys +
186 (info->fix.line_length *
187 (info->var.yres_virtual >> 1)));
188 } else {
189 fbdev->regs->lcd_dmaaddr1 = LCD_DMA_SA_N(fbdev->fb_phys);
190 }
228 } 191 }
229 set_color_bitfields(&par->var);
230 par->cmap_len = (par->var.bits_per_pixel == 8) ? 256 : 16;
231 return 0;
232}
233 192
234static int au1100_encode_var(struct fb_var_screeninfo *var, 193 words = info->fix.line_length / sizeof(u32);
235 const void *par, struct fb_info_gen *_info) 194 if (!info->var.rotate || (info->var.rotate == 180)) {
236{ 195 words *= info->var.yres_virtual;
196 if (info->var.rotate /* 180 */) {
197 words -= (words % 8); /* should be divisable by 8 */
198 }
199 }
200 fbdev->regs->lcd_words = LCD_WRD_WRDS_N(words);
237 201
238 *var = ((struct au1100fb_par *)par)->var; 202 fbdev->regs->lcd_pwmdiv = 0;
239 return 0; 203 fbdev->regs->lcd_pwmhi = 0;
240}
241 204
242static void 205 /* Resume controller */
243au1100_get_par(void *_par, struct fb_info_gen *_info) 206 fbdev->regs->lcd_control |= LCD_CONTROL_GO;
244{
245 *(struct au1100fb_par *)_par = current_par;
246}
247 207
248static void au1100_set_par(const void *par, struct fb_info_gen *info) 208 return 0;
249{
250 /* nothing to do: we don't change any settings */
251} 209}
252 210
253static int au1100_getcolreg(unsigned regno, unsigned *red, unsigned *green, 211/* fb_setcolreg
254 unsigned *blue, unsigned *transp, 212 * Set color in LCD palette.
255 struct fb_info *info) 213 */
214int au1100fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *fbi)
256{ 215{
216 struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
217 u32 *palette = fbdev->regs->lcd_pallettebase;
218 u32 value;
257 219
258 struct au1100fb_info* i = (struct au1100fb_info*)info; 220 if (regno > (AU1100_LCD_NBR_PALETTE_ENTRIES - 1))
259 221 return -EINVAL;
260 if (regno > 255)
261 return 1;
262 222
263 *red = i->palette[regno].red; 223 if (fbi->var.grayscale) {
264 *green = i->palette[regno].green; 224 /* Convert color to grayscale */
265 *blue = i->palette[regno].blue; 225 red = green = blue =
266 *transp = 0; 226 (19595 * red + 38470 * green + 7471 * blue) >> 16;
227 }
267 228
268 return 0; 229 if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) {
269} 230 /* Place color in the pseudopalette */
231 if (regno > 16)
232 return -EINVAL;
270 233
271static int au1100_setcolreg(unsigned regno, unsigned red, unsigned green, 234 palette = (u32*)fbi->pseudo_palette;
272 unsigned blue, unsigned transp, 235
273 struct fb_info *info) 236 red >>= (16 - fbi->var.red.length);
274{ 237 green >>= (16 - fbi->var.green.length);
275 struct au1100fb_info* i = (struct au1100fb_info *)info; 238 blue >>= (16 - fbi->var.blue.length);
276 u32 rgbcol; 239
277 240 value = (red << fbi->var.red.offset) |
278 if (regno > 255) 241 (green << fbi->var.green.offset)|
279 return 1; 242 (blue << fbi->var.blue.offset);
280 243 value &= 0xFFFF;
281 i->palette[regno].red = red; 244
282 i->palette[regno].green = green; 245 } else if (panel_is_active(fbdev->panel)) {
283 i->palette[regno].blue = blue; 246 /* COLOR TFT PALLETTIZED (use RGB 565) */
284 247 value = (red & 0xF800)|((green >> 5) & 0x07E0)|((blue >> 11) & 0x001F);
285 switch(p_lcd->bpp) { 248 value &= 0xFFFF;
286#ifdef FBCON_HAS_CFB8 249
287 case 8: 250 } else if (panel_is_color(fbdev->panel)) {
288 red >>= 10; 251 /* COLOR STN MODE */
289 green >>= 10; 252 value = (((panel_swap_rgb(fbdev->panel) ? blue : red) >> 12) & 0x000F) |
290 blue >>= 10; 253 ((green >> 8) & 0x00F0) |
291 p_lcd_reg->lcd_pallettebase[regno] = (blue&0x1f) | 254 (((panel_swap_rgb(fbdev->panel) ? red : blue) >> 4) & 0x0F00);
292 ((green&0x3f)<<5) | ((red&0x1f)<<11); 255 value &= 0xFFF;
293 break; 256 } else {
294#endif 257 /* MONOCHROME MODE */
295#ifdef FBCON_HAS_CFB16 258 value = (green >> 12) & 0x000F;
296 case 16: 259 value &= 0xF;
297 i->fbcon_cmap16[regno] =
298 ((red & 0xf800) >> 0) |
299 ((green & 0xfc00) >> 5) |
300 ((blue & 0xf800) >> 11);
301 break;
302#endif
303 default:
304 break;
305 } 260 }
306 261
262 palette[regno] = value;
263
307 return 0; 264 return 0;
308} 265}
309 266
310 267/* fb_blank
311static int au1100_blank(int blank_mode, struct fb_info_gen *_info) 268 * Blank the screen. Depending on the mode, the screen will be
269 * activated with the backlight color, or desactivated
270 */
271int au1100fb_fb_blank(int blank_mode, struct fb_info *fbi)
312{ 272{
273 struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
274
275 print_dbg("fb_blank %d %p", blank_mode, fbi);
313 276
314 switch (blank_mode) { 277 switch (blank_mode) {
278
315 case VESA_NO_BLANKING: 279 case VESA_NO_BLANKING:
316 /* turn on panel */ 280 /* Turn on panel */
317 //printk("turn on panel\n"); 281 fbdev->regs->lcd_control |= LCD_CONTROL_GO;
318#ifdef CONFIG_MIPS_PB1100 282#ifdef CONFIG_MIPS_PB1100
319 p_lcd_reg->lcd_control |= LCD_CONTROL_GO; 283 if (drv_info.panel_idx == 1) {
320 au_writew(au_readw(PB1100_G_CONTROL) | p_lcd->mode_backlight, 284 au_writew(au_readw(PB1100_G_CONTROL)
285 | (PB1100_G_CONTROL_BL | PB1100_G_CONTROL_VDD),
321 PB1100_G_CONTROL); 286 PB1100_G_CONTROL);
322#endif 287 }
323#ifdef CONFIG_MIPS_HYDROGEN3
324 /* Turn controller & power supply on, GPIO213 */
325 au_writel(0x20002000, 0xB1700008);
326 au_writel(0x00040000, 0xB1900108);
327 au_writel(0x01000100, 0xB1700008);
328#endif 288#endif
329 au_sync(); 289 au_sync();
330 break; 290 break;
@@ -332,12 +292,14 @@ static int au1100_blank(int blank_mode, struct fb_info_gen *_info)
332 case VESA_VSYNC_SUSPEND: 292 case VESA_VSYNC_SUSPEND:
333 case VESA_HSYNC_SUSPEND: 293 case VESA_HSYNC_SUSPEND:
334 case VESA_POWERDOWN: 294 case VESA_POWERDOWN:
335 /* turn off panel */ 295 /* Turn off panel */
336 //printk("turn off panel\n"); 296 fbdev->regs->lcd_control &= ~LCD_CONTROL_GO;
337#ifdef CONFIG_MIPS_PB1100 297#ifdef CONFIG_MIPS_PB1100
338 au_writew(au_readw(PB1100_G_CONTROL) & ~p_lcd->mode_backlight, 298 if (drv_info.panel_idx == 1) {
299 au_writew(au_readw(PB1100_G_CONTROL)
300 & ~(PB1100_G_CONTROL_BL | PB1100_G_CONTROL_VDD),
339 PB1100_G_CONTROL); 301 PB1100_G_CONTROL);
340 p_lcd_reg->lcd_control &= ~LCD_CONTROL_GO; 302 }
341#endif 303#endif
342 au_sync(); 304 au_sync();
343 break; 305 break;
@@ -348,49 +310,87 @@ static int au1100_blank(int blank_mode, struct fb_info_gen *_info)
348 return 0; 310 return 0;
349} 311}
350 312
351static void au1100_set_disp(const void *unused, struct display *disp, 313/* fb_pan_display
352 struct fb_info_gen *info) 314 * Pan display in x and/or y as specified
315 */
316int au1100fb_fb_pan_display(struct fb_var_screeninfo *var, struct fb_info *fbi)
353{ 317{
354 disp->screen_base = (char *)fb_info.fb_virt_start; 318 struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
355 319 int dy;
356 switch (disp->var.bits_per_pixel) { 320
357#ifdef FBCON_HAS_CFB8 321 print_dbg("fb_pan_display %p %p", var, fbi);
358 case 8: 322
359 disp->dispsw = &fbcon_cfb8; 323 if (!var || !fbdev) {
360 if (fb_info.nohwcursor) 324 return -EINVAL;
361 fbcon_cfb8.cursor = au1100_nocursor; 325 }
362 break; 326
363#endif 327 if (var->xoffset - fbi->var.xoffset) {
364#ifdef FBCON_HAS_CFB16 328 /* No support for X panning for now! */
365 case 16: 329 return -EINVAL;
366 disp->dispsw = &fbcon_cfb16; 330 }
367 disp->dispsw_data = fb_info.fbcon_cmap16; 331
368 if (fb_info.nohwcursor) 332 print_dbg("fb_pan_display 2 %p %p", var, fbi);
369 fbcon_cfb16.cursor = au1100_nocursor; 333 dy = var->yoffset - fbi->var.yoffset;
370 break; 334 if (dy) {
371#endif 335
372 default: 336 u32 dmaaddr;
373 disp->dispsw = &fbcon_dummy; 337
374 disp->dispsw_data = NULL; 338 print_dbg("Panning screen of %d lines", dy);
375 break; 339
340 dmaaddr = fbdev->regs->lcd_dmaaddr0;
341 dmaaddr += (fbi->fix.line_length * dy);
342
343 /* TODO: Wait for current frame to finished */
344 fbdev->regs->lcd_dmaaddr0 = LCD_DMA_SA_N(dmaaddr);
345
346 if (panel_is_dual(fbdev->panel)) {
347 dmaaddr = fbdev->regs->lcd_dmaaddr1;
348 dmaaddr += (fbi->fix.line_length * dy);
349 fbdev->regs->lcd_dmaaddr0 = LCD_DMA_SA_N(dmaaddr);
350 }
351 }
352 print_dbg("fb_pan_display 3 %p %p", var, fbi);
353
354 return 0;
355}
356
357/* fb_rotate
358 * Rotate the display of this angle. This doesn't seems to be used by the core,
359 * but as our hardware supports it, so why not implementing it...
360 */
361void au1100fb_fb_rotate(struct fb_info *fbi, int angle)
362{
363 struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
364
365 print_dbg("fb_rotate %p %d", fbi, angle);
366
367 if (fbdev && (angle > 0) && !(angle % 90)) {
368
369 fbdev->regs->lcd_control &= ~LCD_CONTROL_GO;
370
371 fbdev->regs->lcd_control &= ~(LCD_CONTROL_SM_MASK);
372 fbdev->regs->lcd_control |= ((angle/90) << LCD_CONTROL_SM_BIT);
373
374 fbdev->regs->lcd_control |= LCD_CONTROL_GO;
376 } 375 }
377} 376}
378 377
379static int 378/* fb_mmap
380au1100fb_mmap(struct fb_info *_fb, 379 * Map video memory in user space. We don't use the generic fb_mmap method mainly
381 struct file *file, 380 * to allow the use of the TLB streaming flag (CCA=6)
382 struct vm_area_struct *vma) 381 */
382int au1100fb_fb_mmap(struct fb_info *fbi, struct file *file, struct vm_area_struct *vma)
383{ 383{
384 struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
384 unsigned int len; 385 unsigned int len;
385 unsigned long start=0, off; 386 unsigned long start=0, off;
386 struct au1100fb_info *fb = (struct au1100fb_info *)_fb;
387 387
388 if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) { 388 if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) {
389 return -EINVAL; 389 return -EINVAL;
390 } 390 }
391 391
392 start = fb_info.fb_phys & PAGE_MASK; 392 start = fbdev->fb_phys & PAGE_MASK;
393 len = PAGE_ALIGN((start & ~PAGE_MASK) + fb_info.fb_size); 393 len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len);
394 394
395 off = vma->vm_pgoff << PAGE_SHIFT; 395 off = vma->vm_pgoff << PAGE_SHIFT;
396 396
@@ -401,276 +401,309 @@ au1100fb_mmap(struct fb_info *_fb,
401 off += start; 401 off += start;
402 vma->vm_pgoff = off >> PAGE_SHIFT; 402 vma->vm_pgoff = off >> PAGE_SHIFT;
403 403
404 pgprot_val(vma->vm_page_prot) &= ~_CACHE_MASK; 404 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
405 //pgprot_val(vma->vm_page_prot) |= _CACHE_CACHABLE_NONCOHERENT;
406 pgprot_val(vma->vm_page_prot) |= (6 << 9); //CCA=6 405 pgprot_val(vma->vm_page_prot) |= (6 << 9); //CCA=6
407 406
408 /* This is an IO map - tell maydump to skip this VMA */
409 vma->vm_flags |= VM_IO; 407 vma->vm_flags |= VM_IO;
410 408
411 if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, 409 if (io_remap_page_range(vma, vma->vm_start, off,
412 vma->vm_end - vma->vm_start, 410 vma->vm_end - vma->vm_start,
413 vma->vm_page_prot)) { 411 vma->vm_page_prot)) {
414 return -EAGAIN; 412 return -EAGAIN;
415 } 413 }
416 414
417 fb->mmaped = 1;
418 return 0; 415 return 0;
419} 416}
420 417
421int au1100_pan_display(const struct fb_var_screeninfo *var, 418static struct fb_ops au1100fb_ops =
422 struct fb_info_gen *info)
423{ 419{
424 return 0; 420 .owner = THIS_MODULE,
425} 421 .fb_setcolreg = au1100fb_fb_setcolreg,
422 .fb_blank = au1100fb_fb_blank,
423 .fb_pan_display = au1100fb_fb_pan_display,
424 .fb_fillrect = cfb_fillrect,
425 .fb_copyarea = cfb_copyarea,
426 .fb_imageblit = cfb_imageblit,
427 .fb_rotate = au1100fb_fb_rotate,
428 .fb_mmap = au1100fb_fb_mmap,
429};
426 430
427static int au1100fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
428 u_long arg, int con, struct fb_info *info)
429{
430 /* nothing to do yet */
431 return -EINVAL;
432}
433 431
434static struct fbgen_hwswitch au1100_switch = { 432/*-------------------------------------------------------------------------*/
435 au1100_detect,
436 au1100_encode_fix,
437 au1100_decode_var,
438 au1100_encode_var,
439 au1100_get_par,
440 au1100_set_par,
441 au1100_getcolreg,
442 au1100_setcolreg,
443 au1100_pan_display,
444 au1100_blank,
445 au1100_set_disp
446};
447 433
434/* AU1100 LCD controller device driver */
448 435
449int au1100_setmode(void) 436int au1100fb_drv_probe(struct device *dev)
450{ 437{
451 int words; 438 struct au1100fb_device *fbdev = NULL;
452 439 struct resource *regs_res;
453 /* FIXME Need to accomodate for swivel mode and 12bpp, <8bpp*/ 440 unsigned long page;
454 switch (p_lcd->mode_control & LCD_CONTROL_SM) 441 u32 sys_clksrc;
455 { 442
456 case LCD_CONTROL_SM_0: 443 if (!dev)
457 case LCD_CONTROL_SM_180:
458 words = (p_lcd->xres * p_lcd->yres * p_lcd->bpp) / 32;
459 break;
460 case LCD_CONTROL_SM_90:
461 case LCD_CONTROL_SM_270:
462 /* is this correct? */
463 words = (p_lcd->xres * p_lcd->bpp) / 8;
464 break;
465 default:
466 printk("mode_control reg not initialized\n");
467 return -EINVAL; 444 return -EINVAL;
445
446 /* Allocate new device private */
447 if (!(fbdev = kmalloc(sizeof(struct au1100fb_device), GFP_KERNEL))) {
448 print_err("fail to allocate device private record");
449 return -ENOMEM;
468 } 450 }
451 memset((void*)fbdev, 0, sizeof(struct au1100fb_device));
469 452
470 /* 453 fbdev->panel = &known_lcd_panels[drv_info.panel_idx];
471 * Setup LCD controller
472 */
473 454
474 p_lcd_reg->lcd_control = p_lcd->mode_control; 455 dev_set_drvdata(dev, (void*)fbdev);
475 p_lcd_reg->lcd_intstatus = 0;
476 p_lcd_reg->lcd_intenable = 0;
477 p_lcd_reg->lcd_horztiming = p_lcd->mode_horztiming;
478 p_lcd_reg->lcd_verttiming = p_lcd->mode_verttiming;
479 p_lcd_reg->lcd_clkcontrol = p_lcd->mode_clkcontrol;
480 p_lcd_reg->lcd_words = words - 1;
481 p_lcd_reg->lcd_dmaaddr0 = fb_info.fb_phys;
482 456
483 /* turn on panel */ 457 /* Allocate region for our registers and map them */
484#ifdef CONFIG_MIPS_PB1100 458 if (!(regs_res = platform_get_resource(to_platform_device(dev),
485 au_writew(au_readw(PB1100_G_CONTROL) | p_lcd->mode_backlight, 459 IORESOURCE_MEM, 0))) {
486 PB1100_G_CONTROL); 460 print_err("fail to retrieve registers resource");
487#endif 461 return -EFAULT;
488#ifdef CONFIG_MIPS_HYDROGEN3 462 }
489 /* Turn controller & power supply on, GPIO213 */
490 au_writel(0x20002000, 0xB1700008);
491 au_writel(0x00040000, 0xB1900108);
492 au_writel(0x01000100, 0xB1700008);
493#endif
494 463
495 p_lcd_reg->lcd_control |= LCD_CONTROL_GO; 464 au1100fb_fix.mmio_start = regs_res->start;
465 au1100fb_fix.mmio_len = regs_res->end - regs_res->start + 1;
496 466
497 return 0; 467 if (!request_mem_region(au1100fb_fix.mmio_start, au1100fb_fix.mmio_len,
498} 468 DRIVER_NAME)) {
469 print_err("fail to lock memory region at 0x%08x",
470 au1100fb_fix.mmio_start);
471 return -EBUSY;
472 }
499 473
474 fbdev->regs = (struct au1100fb_regs*)KSEG1ADDR(au1100fb_fix.mmio_start);
500 475
501int __init au1100fb_init(void) 476 print_dbg("Register memory map at %p", fbdev->regs);
502{ 477 print_dbg("phys=0x%08x, size=%d", fbdev->regs_phys, fbdev->regs_len);
503 uint32 sys_clksrc;
504 unsigned long page;
505 478
506 /*
507 * Get the panel information/display mode and update the registry
508 */
509 p_lcd = &panels[my_lcd_index];
510
511 switch (p_lcd->mode_control & LCD_CONTROL_SM)
512 {
513 case LCD_CONTROL_SM_0:
514 case LCD_CONTROL_SM_180:
515 p_lcd->xres =
516 (p_lcd->mode_horztiming & LCD_HORZTIMING_PPL) + 1;
517 p_lcd->yres =
518 (p_lcd->mode_verttiming & LCD_VERTTIMING_LPP) + 1;
519 break;
520 case LCD_CONTROL_SM_90:
521 case LCD_CONTROL_SM_270:
522 p_lcd->yres =
523 (p_lcd->mode_horztiming & LCD_HORZTIMING_PPL) + 1;
524 p_lcd->xres =
525 (p_lcd->mode_verttiming & LCD_VERTTIMING_LPP) + 1;
526 break;
527 }
528 479
529 /*
530 * Panel dimensions x bpp must be divisible by 32
531 */
532 if (((p_lcd->yres * p_lcd->bpp) % 32) != 0)
533 printk("VERT %% 32\n");
534 if (((p_lcd->xres * p_lcd->bpp) % 32) != 0)
535 printk("HORZ %% 32\n");
536 480
537 /* 481 /* Allocate the framebuffer to the maximum screen size * nbr of video buffers */
538 * Allocate LCD framebuffer from system memory 482 fbdev->fb_len = fbdev->panel->xres * fbdev->panel->yres *
539 */ 483 (fbdev->panel->bpp >> 3) * AU1100FB_NBR_VIDEO_BUFFERS;
540 fb_info.fb_size = (p_lcd->xres * p_lcd->yres * p_lcd->bpp) / 8; 484
541 485 fbdev->fb_mem = dma_alloc_coherent(dev, PAGE_ALIGN(fbdev->fb_len),
542 current_par.var.xres = p_lcd->xres; 486 &fbdev->fb_phys, GFP_KERNEL);
543 current_par.var.xres_virtual = p_lcd->xres; 487 if (!fbdev->fb_mem) {
544 current_par.var.yres = p_lcd->yres; 488 print_err("fail to allocate frambuffer (size: %dK))",
545 current_par.var.yres_virtual = p_lcd->yres; 489 fbdev->fb_len / 1024);
546 current_par.var.bits_per_pixel = p_lcd->bpp;
547
548 /* FIX!!! only works for 8/16 bpp */
549 current_par.line_length = p_lcd->xres * p_lcd->bpp / 8; /* in bytes */
550 fb_info.fb_virt_start = (unsigned long )
551 __get_free_pages(GFP_ATOMIC | GFP_DMA,
552 get_order(fb_info.fb_size + 0x1000));
553 if (!fb_info.fb_virt_start) {
554 printk("Unable to allocate fb memory\n");
555 return -ENOMEM; 490 return -ENOMEM;
556 } 491 }
557 fb_info.fb_phys = virt_to_bus((void *)fb_info.fb_virt_start); 492
493 au1100fb_fix.smem_start = fbdev->fb_phys;
494 au1100fb_fix.smem_len = fbdev->fb_len;
558 495
559 /* 496 /*
560 * Set page reserved so that mmap will work. This is necessary 497 * Set page reserved so that mmap will work. This is necessary
561 * since we'll be remapping normal memory. 498 * since we'll be remapping normal memory.
562 */ 499 */
563 for (page = fb_info.fb_virt_start; 500 for (page = (unsigned long)fbdev->fb_mem;
564 page < PAGE_ALIGN(fb_info.fb_virt_start + fb_info.fb_size); 501 page < PAGE_ALIGN((unsigned long)fbdev->fb_mem + fbdev->fb_len);
565 page += PAGE_SIZE) { 502 page += PAGE_SIZE) {
503#if CONFIG_DMA_NONCOHERENT
504 SetPageReserved(virt_to_page(CAC_ADDR(page)));
505#else
566 SetPageReserved(virt_to_page(page)); 506 SetPageReserved(virt_to_page(page));
507#endif
567 } 508 }
568 509
569 memset((void *)fb_info.fb_virt_start, 0, fb_info.fb_size); 510 print_dbg("Framebuffer memory map at %p", fbdev->fb_mem);
570 511 print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024);
571 /* set freqctrl now to allow more time to stabilize */ 512
572 /* zero-out out LCD bits */ 513 /* Setup LCD clock to AUX (48 MHz) */
573 sys_clksrc = au_readl(SYS_CLKSRC) & ~0x000003e0; 514 sys_clksrc = au_readl(SYS_CLKSRC) & ~(SYS_CS_ML_MASK | SYS_CS_DL | SYS_CS_CL);
574 sys_clksrc |= p_lcd->mode_toyclksrc; 515 au_writel((sys_clksrc | (1 << SYS_CS_ML_BIT)), SYS_CLKSRC);
575 au_writel(sys_clksrc, SYS_CLKSRC); 516
576 517 /* load the panel info into the var struct */
577 /* FIXME add check to make sure auxpll is what is expected! */ 518 au1100fb_var.bits_per_pixel = fbdev->panel->bpp;
578 au1100_setmode(); 519 au1100fb_var.xres = fbdev->panel->xres;
579 520 au1100fb_var.xres_virtual = au1100fb_var.xres;
580 fb_info.gen.parsize = sizeof(struct au1100fb_par); 521 au1100fb_var.yres = fbdev->panel->yres;
581 fb_info.gen.fbhw = &au1100_switch; 522 au1100fb_var.yres_virtual = au1100fb_var.yres;
582 523
583 strcpy(fb_info.gen.info.modename, "Au1100 LCD"); 524 fbdev->info.screen_base = fbdev->fb_mem;
584 fb_info.gen.info.changevar = NULL; 525 fbdev->info.fbops = &au1100fb_ops;
585 fb_info.gen.info.node = -1; 526 fbdev->info.fix = au1100fb_fix;
586 527
587 fb_info.gen.info.fbops = &au1100fb_ops; 528 if (!(fbdev->info.pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL))) {
588 fb_info.gen.info.disp = &disp; 529 return -ENOMEM;
589 fb_info.gen.info.switch_con = &fbgen_switch; 530 }
590 fb_info.gen.info.updatevar = &fbgen_update_var; 531 memset(fbdev->info.pseudo_palette, 0, sizeof(u32) * 16);
591 fb_info.gen.info.blank = &fbgen_blank; 532
592 fb_info.gen.info.flags = FBINFO_FLAG_DEFAULT; 533 if (fb_alloc_cmap(&fbdev->info.cmap, AU1100_LCD_NBR_PALETTE_ENTRIES, 0) < 0) {
593 534 print_err("Fail to allocate colormap (%d entries)",
594 /* This should give a reasonable default video mode */ 535 AU1100_LCD_NBR_PALETTE_ENTRIES);
595 fbgen_get_var(&disp.var, -1, &fb_info.gen.info); 536 kfree(fbdev->info.pseudo_palette);
596 fbgen_do_set_var(&disp.var, 1, &fb_info.gen); 537 return -EFAULT;
597 fbgen_set_disp(-1, &fb_info.gen); 538 }
598 fbgen_install_cmap(0, &fb_info.gen); 539
599 if (register_framebuffer(&fb_info.gen.info) < 0) 540 fbdev->info.var = au1100fb_var;
600 return -EINVAL; 541
601 printk(KERN_INFO "fb%d: %s frame buffer device\n", 542 /* Set h/w registers */
602 GET_FB_IDX(fb_info.gen.info.node), 543 au1100fb_setmode(fbdev);
603 fb_info.gen.info.modename); 544
545 /* Register new framebuffer */
546 if (register_framebuffer(&fbdev->info) < 0) {
547 print_err("cannot register new framebuffer");
548 goto failed;
549 }
550
551 return 0;
552
553failed:
554 if (fbdev->regs) {
555 release_mem_region(fbdev->regs_phys, fbdev->regs_len);
556 }
557 if (fbdev->fb_mem) {
558 dma_free_noncoherent(dev, fbdev->fb_len, fbdev->fb_mem, fbdev->fb_phys);
559 }
560 if (fbdev->info.cmap.len != 0) {
561 fb_dealloc_cmap(&fbdev->info.cmap);
562 }
563 kfree(fbdev);
564 dev_set_drvdata(dev, NULL);
604 565
605 return 0; 566 return 0;
606} 567}
607 568
569int au1100fb_drv_remove(struct device *dev)
570{
571 struct au1100fb_device *fbdev = NULL;
572
573 if (!dev)
574 return -ENODEV;
575
576 fbdev = (struct au1100fb_device*) dev_get_drvdata(dev);
577
578#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
579 au1100fb_fb_blank(VESA_POWERDOWN, &fbdev->info);
580#endif
581 fbdev->regs->lcd_control &= ~LCD_CONTROL_GO;
608 582
609void au1100fb_cleanup(struct fb_info *info) 583 /* Clean up all probe data */
584 unregister_framebuffer(&fbdev->info);
585
586 release_mem_region(fbdev->regs_phys, fbdev->regs_len);
587
588 dma_free_coherent(dev, PAGE_ALIGN(fbdev->fb_len), fbdev->fb_mem, fbdev->fb_phys);
589
590 fb_dealloc_cmap(&fbdev->info.cmap);
591 kfree(fbdev->info.pseudo_palette);
592 kfree((void*)fbdev);
593
594 return 0;
595}
596
597int au1100fb_drv_suspend(struct device *dev, u32 state, u32 level)
598{
599 /* TODO */
600 return 0;
601}
602
603int au1100fb_drv_resume(struct device *dev, u32 level)
610{ 604{
611 unregister_framebuffer(info); 605 /* TODO */
606 return 0;
612} 607}
613 608
609static struct device_driver au1100fb_driver = {
610 .name = "au1100-lcd",
611 .bus = &platform_bus_type,
614 612
615void au1100fb_setup(char *options, int *ints) 613 .probe = au1100fb_drv_probe,
614 .remove = au1100fb_drv_remove,
615 .suspend = au1100fb_drv_suspend,
616 .resume = au1100fb_drv_resume,
617};
618
619/*-------------------------------------------------------------------------*/
620
621/* Kernel driver */
622
623int au1100fb_setup(char *options)
616{ 624{
617 char* this_opt; 625 char* this_opt;
618 int i; 626 int num_panels = ARRAY_SIZE(known_lcd_panels);
619 int num_panels = sizeof(panels)/sizeof(struct known_lcd_panels); 627 char* mode = NULL;
628 int panel_idx = 0;
620 629
630 if (num_panels <= 0) {
631 print_err("No LCD panels supported by driver!");
632 return -EFAULT;
633 }
621 634
622 if (!options || !*options) 635 if (options) {
623 return; 636 while ((this_opt = strsep(&options,",")) != NULL) {
624 637 /* Panel option */
625 for(this_opt=strtok(options, ","); this_opt;
626 this_opt=strtok(NULL, ",")) {
627 if (!strncmp(this_opt, "panel:", 6)) { 638 if (!strncmp(this_opt, "panel:", 6)) {
628#if defined(CONFIG_MIPS_PB1100) || defined(CONFIG_MIPS_DB1100) 639 int i;
629 /* Read Pb1100 Switch S10 ? */ 640 this_opt += 6;
630 if (!strncmp(this_opt+6, "s10", 3)) 641 for (i = 0; i < num_panels; i++) {
631 { 642 if (!strncmp(this_opt,
632 int panel; 643 known_lcd_panels[i].name,
633 panel = *(volatile int *)0xAE000008; /* BCSR SWITCHES */
634 panel >>= 8;
635 panel &= 0x0F;
636 if (panel >= num_panels) panel = 0;
637 my_lcd_index = panel;
638 }
639 else
640#endif
641 /* Get the panel name, everything else if fixed */
642 for (i=0; i<num_panels; i++) {
643 if (!strncmp(this_opt+6, panels[i].panel_name,
644 strlen(this_opt))) { 644 strlen(this_opt))) {
645 my_lcd_index = i; 645 panel_idx = i;
646 break; 646 break;
647 } 647 }
648 } 648 }
649 if (i >= num_panels) {
650 print_warn("Panel %s not supported!", this_opt);
651 }
652 }
653 /* Mode option (only option that start with digit) */
654 else if (isdigit(this_opt[0])) {
655 mode = kmalloc(strlen(this_opt) + 1, GFP_KERNEL);
656 strncpy(mode, this_opt, strlen(this_opt) + 1);
657 }
658 /* Unsupported option */
659 else {
660 print_warn("Unsupported option \"%s\"", this_opt);
649 } 661 }
650 else if (!strncmp(this_opt, "nohwcursor", 10)) {
651 printk("nohwcursor\n");
652 fb_info.nohwcursor = 1;
653 } 662 }
654 } 663 }
655 664
656 printk("au1100fb: Panel %d %s\n", my_lcd_index, 665 drv_info.panel_idx = panel_idx;
657 panels[my_lcd_index].panel_name); 666 drv_info.opt_mode = mode;
658}
659 667
668 print_info("Panel=%s Mode=%s",
669 known_lcd_panels[drv_info.panel_idx].name,
670 drv_info.opt_mode ? drv_info.opt_mode : "default");
660 671
672 return 0;
673}
661 674
662#ifdef MODULE 675int __init au1100fb_init(void)
663MODULE_LICENSE("GPL");
664int init_module(void)
665{ 676{
666 return au1100fb_init(); 677 char* options;
678 int ret;
679
680 print_info("" DRIVER_DESC "");
681
682 memset(&drv_info, 0, sizeof(drv_info));
683
684 if (fb_get_options(DRIVER_NAME, &options))
685 return -ENODEV;
686
687 /* Setup driver with options */
688 ret = au1100fb_setup(options);
689 if (ret < 0) {
690 print_err("Fail to setup driver");
691 return ret;
692 }
693
694 return driver_register(&au1100fb_driver);
667} 695}
668 696
669void cleanup_module(void) 697void __exit au1100fb_cleanup(void)
670{ 698{
671 au1100fb_cleanup(void); 699 driver_unregister(&au1100fb_driver);
700
701 if (drv_info.opt_mode)
702 kfree(drv_info.opt_mode);
672} 703}
673 704
674MODULE_AUTHOR("Pete Popov <ppopov@mvista.com>"); 705module_init(au1100fb_init);
675MODULE_DESCRIPTION("Au1100 LCD framebuffer device driver"); 706module_exit(au1100fb_cleanup);
676#endif /* MODULE */ 707
708MODULE_DESCRIPTION(DRIVER_DESC);
709MODULE_LICENSE("GPL");
diff --git a/drivers/video/au1100fb.h b/drivers/video/au1100fb.h
index 657c560ab73c..2855534dc235 100644
--- a/drivers/video/au1100fb.h
+++ b/drivers/video/au1100fb.h
@@ -30,352 +30,352 @@
30#ifndef _AU1100LCD_H 30#ifndef _AU1100LCD_H
31#define _AU1100LCD_H 31#define _AU1100LCD_H
32 32
33#include <asm/mach-au1x00/au1000.h>
34
35#define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg)
36#define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg)
37#define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg)
38
39#if DEBUG
40#define print_dbg(f, arg...) printk(__FILE__ ": " f "\n", ## arg)
41#else
42#define print_dbg(f, arg...) do {} while (0)
43#endif
44
45#if defined(__BIG_ENDIAN)
46#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11
47#else
48#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00
49#endif
50#define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565
51
33/********************************************************************/ 52/********************************************************************/
34#define uint32 unsigned long 53
35typedef volatile struct 54/* LCD controller restrictions */
36{ 55#define AU1100_LCD_MAX_XRES 800
37 uint32 lcd_control; 56#define AU1100_LCD_MAX_YRES 600
38 uint32 lcd_intstatus; 57#define AU1100_LCD_MAX_BPP 16
39 uint32 lcd_intenable; 58#define AU1100_LCD_MAX_CLK 48000000
40 uint32 lcd_horztiming; 59#define AU1100_LCD_NBR_PALETTE_ENTRIES 256
41 uint32 lcd_verttiming; 60
42 uint32 lcd_clkcontrol; 61/* Default number of visible screen buffer to allocate */
43 uint32 lcd_dmaaddr0; 62#define AU1100FB_NBR_VIDEO_BUFFERS 4
44 uint32 lcd_dmaaddr1;
45 uint32 lcd_words;
46 uint32 lcd_pwmdiv;
47 uint32 lcd_pwmhi;
48 uint32 reserved[(0x0400-0x002C)/4];
49 uint32 lcd_pallettebase[256];
50
51} AU1100_LCD;
52 63
53/********************************************************************/ 64/********************************************************************/
54 65
55#define AU1100_LCD_ADDR 0xB5000000 66struct au1100fb_panel
67{
68 const char name[25]; /* Full name <vendor>_<model> */
56 69
57/* 70 u32 control_base; /* Mode-independent control values */
58 * Register bit definitions 71 u32 clkcontrol_base; /* Panel pixclock preferences */
59 */
60 72
61/* lcd_control */ 73 u32 horztiming;
62#define LCD_CONTROL_SBPPF (7<<18) 74 u32 verttiming;
63#define LCD_CONTROL_SBPPF_655 (0<<18)
64#define LCD_CONTROL_SBPPF_565 (1<<18)
65#define LCD_CONTROL_SBPPF_556 (2<<18)
66#define LCD_CONTROL_SBPPF_1555 (3<<18)
67#define LCD_CONTROL_SBPPF_5551 (4<<18)
68#define LCD_CONTROL_WP (1<<17)
69#define LCD_CONTROL_WD (1<<16)
70#define LCD_CONTROL_C (1<<15)
71#define LCD_CONTROL_SM (3<<13)
72#define LCD_CONTROL_SM_0 (0<<13)
73#define LCD_CONTROL_SM_90 (1<<13)
74#define LCD_CONTROL_SM_180 (2<<13)
75#define LCD_CONTROL_SM_270 (3<<13)
76#define LCD_CONTROL_DB (1<<12)
77#define LCD_CONTROL_CCO (1<<11)
78#define LCD_CONTROL_DP (1<<10)
79#define LCD_CONTROL_PO (3<<8)
80#define LCD_CONTROL_PO_00 (0<<8)
81#define LCD_CONTROL_PO_01 (1<<8)
82#define LCD_CONTROL_PO_10 (2<<8)
83#define LCD_CONTROL_PO_11 (3<<8)
84#define LCD_CONTROL_MPI (1<<7)
85#define LCD_CONTROL_PT (1<<6)
86#define LCD_CONTROL_PC (1<<5)
87#define LCD_CONTROL_BPP (7<<1)
88#define LCD_CONTROL_BPP_1 (0<<1)
89#define LCD_CONTROL_BPP_2 (1<<1)
90#define LCD_CONTROL_BPP_4 (2<<1)
91#define LCD_CONTROL_BPP_8 (3<<1)
92#define LCD_CONTROL_BPP_12 (4<<1)
93#define LCD_CONTROL_BPP_16 (5<<1)
94#define LCD_CONTROL_GO (1<<0)
95
96/* lcd_intstatus, lcd_intenable */
97#define LCD_INT_SD (1<<7)
98#define LCD_INT_OF (1<<6)
99#define LCD_INT_UF (1<<5)
100#define LCD_INT_SA (1<<3)
101#define LCD_INT_SS (1<<2)
102#define LCD_INT_S1 (1<<1)
103#define LCD_INT_S0 (1<<0)
104
105/* lcd_horztiming */
106#define LCD_HORZTIMING_HN2 (255<<24)
107#define LCD_HORZTIMING_HN2_N(N) (((N)-1)<<24)
108#define LCD_HORZTIMING_HN1 (255<<16)
109#define LCD_HORZTIMING_HN1_N(N) (((N)-1)<<16)
110#define LCD_HORZTIMING_HPW (63<<10)
111#define LCD_HORZTIMING_HPW_N(N) (((N)-1)<<10)
112#define LCD_HORZTIMING_PPL (1023<<0)
113#define LCD_HORZTIMING_PPL_N(N) (((N)-1)<<0)
114
115/* lcd_verttiming */
116#define LCD_VERTTIMING_VN2 (255<<24)
117#define LCD_VERTTIMING_VN2_N(N) (((N)-1)<<24)
118#define LCD_VERTTIMING_VN1 (255<<16)
119#define LCD_VERTTIMING_VN1_N(N) (((N)-1)<<16)
120#define LCD_VERTTIMING_VPW (63<<10)
121#define LCD_VERTTIMING_VPW_N(N) (((N)-1)<<10)
122#define LCD_VERTTIMING_LPP (1023<<0)
123#define LCD_VERTTIMING_LPP_N(N) (((N)-1)<<0)
124
125/* lcd_clkcontrol */
126#define LCD_CLKCONTROL_IB (1<<18)
127#define LCD_CLKCONTROL_IC (1<<17)
128#define LCD_CLKCONTROL_IH (1<<16)
129#define LCD_CLKCONTROL_IV (1<<15)
130#define LCD_CLKCONTROL_BF (31<<10)
131#define LCD_CLKCONTROL_BF_N(N) (((N)-1)<<10)
132#define LCD_CLKCONTROL_PCD (1023<<0)
133#define LCD_CLKCONTROL_PCD_N(N) ((N)<<0)
134
135/* lcd_pwmdiv */
136#define LCD_PWMDIV_EN (1<<12)
137#define LCD_PWMDIV_PWMDIV (2047<<0)
138#define LCD_PWMDIV_PWMDIV_N(N) (((N)-1)<<0)
139
140/* lcd_pwmhi */
141#define LCD_PWMHI_PWMHI1 (2047<<12)
142#define LCD_PWMHI_PWMHI1_N(N) ((N)<<12)
143#define LCD_PWMHI_PWMHI0 (2047<<0)
144#define LCD_PWMHI_PWMHI0_N(N) ((N)<<0)
145
146/* lcd_pallettebase - MONOCHROME */
147#define LCD_PALLETTE_MONO_MI (15<<0)
148#define LCD_PALLETTE_MONO_MI_N(N) ((N)<<0)
149
150/* lcd_pallettebase - COLOR */
151#define LCD_PALLETTE_COLOR_BI (15<<8)
152#define LCD_PALLETTE_COLOR_BI_N(N) ((N)<<8)
153#define LCD_PALLETTE_COLOR_GI (15<<4)
154#define LCD_PALLETTE_COLOR_GI_N(N) ((N)<<4)
155#define LCD_PALLETTE_COLOR_RI (15<<0)
156#define LCD_PALLETTE_COLOR_RI_N(N) ((N)<<0)
157
158/* lcd_palletebase - COLOR TFT PALLETIZED */
159#define LCD_PALLETTE_TFT_DC (65535<<0)
160#define LCD_PALLETTE_TFT_DC_N(N) ((N)<<0)
161 75
162/********************************************************************/ 76 u32 xres; /* Maximum horizontal resolution */
77 u32 yres; /* Maximum vertical resolution */
78 u32 bpp; /* Maximum depth supported */
79};
163 80
164struct known_lcd_panels 81struct au1100fb_regs
165{ 82{
166 uint32 xres; 83 u32 lcd_control;
167 uint32 yres; 84 u32 lcd_intstatus;
168 uint32 bpp; 85 u32 lcd_intenable;
169 unsigned char panel_name[256]; 86 u32 lcd_horztiming;
170 uint32 mode_control; 87 u32 lcd_verttiming;
171 uint32 mode_horztiming; 88 u32 lcd_clkcontrol;
172 uint32 mode_verttiming; 89 u32 lcd_dmaaddr0;
173 uint32 mode_clkcontrol; 90 u32 lcd_dmaaddr1;
174 uint32 mode_pwmdiv; 91 u32 lcd_words;
175 uint32 mode_pwmhi; 92 u32 lcd_pwmdiv;
176 uint32 mode_toyclksrc; 93 u32 lcd_pwmhi;
177 uint32 mode_backlight; 94 u32 reserved[(0x0400-0x002C)/4];
95 u32 lcd_pallettebase[256];
96};
97
98struct au1100fb_device {
99
100 struct fb_info info; /* FB driver info record */
178 101
102 struct au1100fb_panel *panel; /* Panel connected to this device */
103
104 struct au1100fb_regs* regs; /* Registers memory map */
105 size_t regs_len;
106 unsigned int regs_phys;
107
108 unsigned char* fb_mem; /* FrameBuffer memory map */
109 size_t fb_len;
110 dma_addr_t fb_phys;
179}; 111};
180 112
181#if defined(__BIG_ENDIAN) 113/********************************************************************/
182#define LCD_DEFAULT_PIX_FORMAT LCD_CONTROL_PO_11
183#else
184#define LCD_DEFAULT_PIX_FORMAT LCD_CONTROL_PO_00
185#endif
186 114
187/* 115#define LCD_CONTROL (AU1100_LCD_BASE + 0x0)
188 * The fb driver assumes that AUX PLL is at 48MHz. That can 116 #define LCD_CONTROL_SBB_BIT 21
189 * cover up to 800x600 resolution; if you need higher resolution, 117 #define LCD_CONTROL_SBB_MASK (0x3 << LCD_CONTROL_SBB_BIT)
190 * you should modify the driver as needed, not just this structure. 118 #define LCD_CONTROL_SBB_1 (0 << LCD_CONTROL_SBB_BIT)
119 #define LCD_CONTROL_SBB_2 (1 << LCD_CONTROL_SBB_BIT)
120 #define LCD_CONTROL_SBB_3 (2 << LCD_CONTROL_SBB_BIT)
121 #define LCD_CONTROL_SBB_4 (3 << LCD_CONTROL_SBB_BIT)
122 #define LCD_CONTROL_SBPPF_BIT 18
123 #define LCD_CONTROL_SBPPF_MASK (0x7 << LCD_CONTROL_SBPPF_BIT)
124 #define LCD_CONTROL_SBPPF_655 (0 << LCD_CONTROL_SBPPF_BIT)
125 #define LCD_CONTROL_SBPPF_565 (1 << LCD_CONTROL_SBPPF_BIT)
126 #define LCD_CONTROL_SBPPF_556 (2 << LCD_CONTROL_SBPPF_BIT)
127 #define LCD_CONTROL_SBPPF_1555 (3 << LCD_CONTROL_SBPPF_BIT)
128 #define LCD_CONTROL_SBPPF_5551 (4 << LCD_CONTROL_SBPPF_BIT)
129 #define LCD_CONTROL_WP (1<<17)
130 #define LCD_CONTROL_WD (1<<16)
131 #define LCD_CONTROL_C (1<<15)
132 #define LCD_CONTROL_SM_BIT 13
133 #define LCD_CONTROL_SM_MASK (0x3 << LCD_CONTROL_SM_BIT)
134 #define LCD_CONTROL_SM_0 (0 << LCD_CONTROL_SM_BIT)
135 #define LCD_CONTROL_SM_90 (1 << LCD_CONTROL_SM_BIT)
136 #define LCD_CONTROL_SM_180 (2 << LCD_CONTROL_SM_BIT)
137 #define LCD_CONTROL_SM_270 (3 << LCD_CONTROL_SM_BIT)
138 #define LCD_CONTROL_DB (1<<12)
139 #define LCD_CONTROL_CCO (1<<11)
140 #define LCD_CONTROL_DP (1<<10)
141 #define LCD_CONTROL_PO_BIT 8
142 #define LCD_CONTROL_PO_MASK (0x3 << LCD_CONTROL_PO_BIT)
143 #define LCD_CONTROL_PO_00 (0 << LCD_CONTROL_PO_BIT)
144 #define LCD_CONTROL_PO_01 (1 << LCD_CONTROL_PO_BIT)
145 #define LCD_CONTROL_PO_10 (2 << LCD_CONTROL_PO_BIT)
146 #define LCD_CONTROL_PO_11 (3 << LCD_CONTROL_PO_BIT)
147 #define LCD_CONTROL_MPI (1<<7)
148 #define LCD_CONTROL_PT (1<<6)
149 #define LCD_CONTROL_PC (1<<5)
150 #define LCD_CONTROL_BPP_BIT 1
151 #define LCD_CONTROL_BPP_MASK (0x7 << LCD_CONTROL_BPP_BIT)
152 #define LCD_CONTROL_BPP_1 (0 << LCD_CONTROL_BPP_BIT)
153 #define LCD_CONTROL_BPP_2 (1 << LCD_CONTROL_BPP_BIT)
154 #define LCD_CONTROL_BPP_4 (2 << LCD_CONTROL_BPP_BIT)
155 #define LCD_CONTROL_BPP_8 (3 << LCD_CONTROL_BPP_BIT)
156 #define LCD_CONTROL_BPP_12 (4 << LCD_CONTROL_BPP_BIT)
157 #define LCD_CONTROL_BPP_16 (5 << LCD_CONTROL_BPP_BIT)
158 #define LCD_CONTROL_GO (1<<0)
159
160#define LCD_INTSTATUS (AU1100_LCD_BASE + 0x4)
161#define LCD_INTENABLE (AU1100_LCD_BASE + 0x8)
162 #define LCD_INT_SD (1<<7)
163 #define LCD_INT_OF (1<<6)
164 #define LCD_INT_UF (1<<5)
165 #define LCD_INT_SA (1<<3)
166 #define LCD_INT_SS (1<<2)
167 #define LCD_INT_S1 (1<<1)
168 #define LCD_INT_S0 (1<<0)
169
170#define LCD_HORZTIMING (AU1100_LCD_BASE + 0xC)
171 #define LCD_HORZTIMING_HN2_BIT 24
172 #define LCD_HORZTIMING_HN2_MASK (0xFF << LCD_HORZTIMING_HN2_BIT)
173 #define LCD_HORZTIMING_HN2_N(N) ((((N)-1) << LCD_HORZTIMING_HN2_BIT) & LCD_HORZTIMING_HN2_MASK)
174 #define LCD_HORZTIMING_HN1_BIT 16
175 #define LCD_HORZTIMING_HN1_MASK (0xFF << LCD_HORZTIMING_HN1_BIT)
176 #define LCD_HORZTIMING_HN1_N(N) ((((N)-1) << LCD_HORZTIMING_HN1_BIT) & LCD_HORZTIMING_HN1_MASK)
177 #define LCD_HORZTIMING_HPW_BIT 10
178 #define LCD_HORZTIMING_HPW_MASK (0x3F << LCD_HORZTIMING_HPW_BIT)
179 #define LCD_HORZTIMING_HPW_N(N) ((((N)-1) << LCD_HORZTIMING_HPW_BIT) & LCD_HORZTIMING_HPW_MASK)
180 #define LCD_HORZTIMING_PPL_BIT 0
181 #define LCD_HORZTIMING_PPL_MASK (0x3FF << LCD_HORZTIMING_PPL_BIT)
182 #define LCD_HORZTIMING_PPL_N(N) ((((N)-1) << LCD_HORZTIMING_PPL_BIT) & LCD_HORZTIMING_PPL_MASK)
183
184#define LCD_VERTTIMING (AU1100_LCD_BASE + 0x10)
185 #define LCD_VERTTIMING_VN2_BIT 24
186 #define LCD_VERTTIMING_VN2_MASK (0xFF << LCD_VERTTIMING_VN2_BIT)
187 #define LCD_VERTTIMING_VN2_N(N) ((((N)-1) << LCD_VERTTIMING_VN2_BIT) & LCD_VERTTIMING_VN2_MASK)
188 #define LCD_VERTTIMING_VN1_BIT 16
189 #define LCD_VERTTIMING_VN1_MASK (0xFF << LCD_VERTTIMING_VN1_BIT)
190 #define LCD_VERTTIMING_VN1_N(N) ((((N)-1) << LCD_VERTTIMING_VN1_BIT) & LCD_VERTTIMING_VN1_MASK)
191 #define LCD_VERTTIMING_VPW_BIT 10
192 #define LCD_VERTTIMING_VPW_MASK (0x3F << LCD_VERTTIMING_VPW_BIT)
193 #define LCD_VERTTIMING_VPW_N(N) ((((N)-1) << LCD_VERTTIMING_VPW_BIT) & LCD_VERTTIMING_VPW_MASK)
194 #define LCD_VERTTIMING_LPP_BIT 0
195 #define LCD_VERTTIMING_LPP_MASK (0x3FF << LCD_VERTTIMING_LPP_BIT)
196 #define LCD_VERTTIMING_LPP_N(N) ((((N)-1) << LCD_VERTTIMING_LPP_BIT) & LCD_VERTTIMING_LPP_MASK)
197
198#define LCD_CLKCONTROL (AU1100_LCD_BASE + 0x14)
199 #define LCD_CLKCONTROL_IB (1<<18)
200 #define LCD_CLKCONTROL_IC (1<<17)
201 #define LCD_CLKCONTROL_IH (1<<16)
202 #define LCD_CLKCONTROL_IV (1<<15)
203 #define LCD_CLKCONTROL_BF_BIT 10
204 #define LCD_CLKCONTROL_BF_MASK (0x1F << LCD_CLKCONTROL_BF_BIT)
205 #define LCD_CLKCONTROL_BF_N(N) ((((N)-1) << LCD_CLKCONTROL_BF_BIT) & LCD_CLKCONTROL_BF_MASK)
206 #define LCD_CLKCONTROL_PCD_BIT 0
207 #define LCD_CLKCONTROL_PCD_MASK (0x3FF << LCD_CLKCONTROL_PCD_BIT)
208 #define LCD_CLKCONTROL_PCD_N(N) (((N) << LCD_CLKCONTROL_PCD_BIT) & LCD_CLKCONTROL_PCD_MASK)
209
210#define LCD_DMAADDR0 (AU1100_LCD_BASE + 0x18)
211#define LCD_DMAADDR1 (AU1100_LCD_BASE + 0x1C)
212 #define LCD_DMA_SA_BIT 5
213 #define LCD_DMA_SA_MASK (0x7FFFFFF << LCD_DMA_SA_BIT)
214 #define LCD_DMA_SA_N(N) ((N) & LCD_DMA_SA_MASK)
215
216#define LCD_WORDS (AU1100_LCD_BASE + 0x20)
217 #define LCD_WRD_WRDS_BIT 0
218 #define LCD_WRD_WRDS_MASK (0xFFFFFFFF << LCD_WRD_WRDS_BIT)
219 #define LCD_WRD_WRDS_N(N) ((((N)-1) << LCD_WRD_WRDS_BIT) & LCD_WRD_WRDS_MASK)
220
221#define LCD_PWMDIV (AU1100_LCD_BASE + 0x24)
222 #define LCD_PWMDIV_EN (1<<12)
223 #define LCD_PWMDIV_PWMDIV_BIT 0
224 #define LCD_PWMDIV_PWMDIV_MASK (0xFFF << LCD_PWMDIV_PWMDIV_BIT)
225 #define LCD_PWMDIV_PWMDIV_N(N) ((((N)-1) << LCD_PWMDIV_PWMDIV_BIT) & LCD_PWMDIV_PWMDIV_MASK)
226
227#define LCD_PWMHI (AU1100_LCD_BASE + 0x28)
228 #define LCD_PWMHI_PWMHI1_BIT 12
229 #define LCD_PWMHI_PWMHI1_MASK (0xFFF << LCD_PWMHI_PWMHI1_BIT)
230 #define LCD_PWMHI_PWMHI1_N(N) (((N) << LCD_PWMHI_PWMHI1_BIT) & LCD_PWMHI_PWMHI1_MASK)
231 #define LCD_PWMHI_PWMHI0_BIT 0
232 #define LCD_PWMHI_PWMHI0_MASK (0xFFF << LCD_PWMHI_PWMHI0_BIT)
233 #define LCD_PWMHI_PWMHI0_N(N) (((N) << LCD_PWMHI_PWMHI0_BIT) & LCD_PWMHI_PWMHI0_MASK)
234
235#define LCD_PALLETTEBASE (AU1100_LCD_BASE + 0x400)
236 #define LCD_PALLETTE_MONO_MI_BIT 0
237 #define LCD_PALLETTE_MONO_MI_MASK (0xF << LCD_PALLETTE_MONO_MI_BIT)
238 #define LCD_PALLETTE_MONO_MI_N(N) (((N)<< LCD_PALLETTE_MONO_MI_BIT) & LCD_PALLETTE_MONO_MI_MASK)
239
240 #define LCD_PALLETTE_COLOR_RI_BIT 8
241 #define LCD_PALLETTE_COLOR_RI_MASK (0xF << LCD_PALLETTE_COLOR_RI_BIT)
242 #define LCD_PALLETTE_COLOR_RI_N(N) (((N)<< LCD_PALLETTE_COLOR_RI_BIT) & LCD_PALLETTE_COLOR_RI_MASK)
243 #define LCD_PALLETTE_COLOR_GI_BIT 4
244 #define LCD_PALLETTE_COLOR_GI_MASK (0xF << LCD_PALLETTE_COLOR_GI_BIT)
245 #define LCD_PALLETTE_COLOR_GI_N(N) (((N)<< LCD_PALLETTE_COLOR_GI_BIT) & LCD_PALLETTE_COLOR_GI_MASK)
246 #define LCD_PALLETTE_COLOR_BI_BIT 0
247 #define LCD_PALLETTE_COLOR_BI_MASK (0xF << LCD_PALLETTE_COLOR_BI_BIT)
248 #define LCD_PALLETTE_COLOR_BI_N(N) (((N)<< LCD_PALLETTE_COLOR_BI_BIT) & LCD_PALLETTE_COLOR_BI_MASK)
249
250 #define LCD_PALLETTE_TFT_DC_BIT 0
251 #define LCD_PALLETTE_TFT_DC_MASK (0xFFFF << LCD_PALLETTE_TFT_DC_BIT)
252 #define LCD_PALLETTE_TFT_DC_N(N) (((N)<< LCD_PALLETTE_TFT_DC_BIT) & LCD_PALLETTE_TFT_DC_MASK)
253
254/********************************************************************/
255
256/* List of panels known to work with the AU1100 LCD controller.
257 * To add a new panel, enter the same specifications as the
258 * Generic_TFT one, and MAKE SURE that it doesn't conflicts
259 * with the controller restrictions. Restrictions are:
260 *
261 * STN color panels: max_bpp <= 12
262 * STN mono panels: max_bpp <= 4
263 * TFT panels: max_bpp <= 16
264 * max_xres <= 800
265 * max_yres <= 600
191 */ 266 */
192struct known_lcd_panels panels[] = 267static struct au1100fb_panel known_lcd_panels[] =
193{ 268{
194 { /* 0: Pb1100 LCDA: Sharp 320x240 TFT panel */ 269 /* 800x600x16bpp CRT */
195 320, /* xres */ 270 [0] = {
196 240, /* yres */ 271 .name = "CRT_800x600_16",
197 16, /* bpp */ 272 .xres = 800,
198 273 .yres = 600,
199 "Sharp_320x240_16", 274 .bpp = 16,
200 /* mode_control */ 275 .control_base = 0x0004886A |
276 LCD_CONTROL_DEFAULT_PO | LCD_CONTROL_DEFAULT_SBPPF |
277 LCD_CONTROL_BPP_16,
278 .clkcontrol_base = 0x00020000,
279 .horztiming = 0x005aff1f,
280 .verttiming = 0x16000e57,
281 },
282 /* just the standard LCD */
283 [1] = {
284 .name = "WWPC LCD",
285 .xres = 240,
286 .yres = 320,
287 .bpp = 16,
288 .control_base = 0x0006806A,
289 .horztiming = 0x0A1010EF,
290 .verttiming = 0x0301013F,
291 .clkcontrol_base = 0x00018001,
292 },
293 /* Sharp 320x240 TFT panel */
294 [2] = {
295 .name = "Sharp_LQ038Q5DR01",
296 .xres = 320,
297 .yres = 240,
298 .bpp = 16,
299 .control_base =
201 ( LCD_CONTROL_SBPPF_565 300 ( LCD_CONTROL_SBPPF_565
202 /*LCD_CONTROL_WP*/
203 /*LCD_CONTROL_WD*/
204 | LCD_CONTROL_C 301 | LCD_CONTROL_C
205 | LCD_CONTROL_SM_0 302 | LCD_CONTROL_SM_0
206 /*LCD_CONTROL_DB*/ 303 | LCD_CONTROL_DEFAULT_PO
207 /*LCD_CONTROL_CCO*/
208 /*LCD_CONTROL_DP*/
209 | LCD_DEFAULT_PIX_FORMAT
210 /*LCD_CONTROL_MPI*/
211 | LCD_CONTROL_PT 304 | LCD_CONTROL_PT
212 | LCD_CONTROL_PC 305 | LCD_CONTROL_PC
213 | LCD_CONTROL_BPP_16 ), 306 | LCD_CONTROL_BPP_16 ),
214 307 .horztiming =
215 /* mode_horztiming */
216 ( LCD_HORZTIMING_HN2_N(8) 308 ( LCD_HORZTIMING_HN2_N(8)
217 | LCD_HORZTIMING_HN1_N(60) 309 | LCD_HORZTIMING_HN1_N(60)
218 | LCD_HORZTIMING_HPW_N(12) 310 | LCD_HORZTIMING_HPW_N(12)
219 | LCD_HORZTIMING_PPL_N(320) ), 311 | LCD_HORZTIMING_PPL_N(320) ),
220 312 .verttiming =
221 /* mode_verttiming */
222 ( LCD_VERTTIMING_VN2_N(5) 313 ( LCD_VERTTIMING_VN2_N(5)
223 | LCD_VERTTIMING_VN1_N(17) 314 | LCD_VERTTIMING_VN1_N(17)
224 | LCD_VERTTIMING_VPW_N(1) 315 | LCD_VERTTIMING_VPW_N(1)
225 | LCD_VERTTIMING_LPP_N(240) ), 316 | LCD_VERTTIMING_LPP_N(240) ),
226 317 .clkcontrol_base = LCD_CLKCONTROL_PCD_N(1),
227 /* mode_clkcontrol */
228 ( 0
229 /*LCD_CLKCONTROL_IB*/
230 /*LCD_CLKCONTROL_IC*/
231 /*LCD_CLKCONTROL_IH*/
232 /*LCD_CLKCONTROL_IV*/
233 | LCD_CLKCONTROL_PCD_N(1) ),
234
235 /* mode_pwmdiv */
236 0,
237
238 /* mode_pwmhi */
239 0,
240
241 /* mode_toyclksrc */
242 ((1<<7) | (1<<6) | (1<<5)),
243
244 /* mode_backlight */
245 6
246 }, 318 },
247 319
248 { /* 1: Pb1100 LCDC 640x480 TFT panel */ 320 /* Hitachi SP14Q005 and possibly others */
249 640, /* xres */ 321 [3] = {
250 480, /* yres */ 322 .name = "Hitachi_SP14Qxxx",
251 16, /* bpp */ 323 .xres = 320,
252 324 .yres = 240,
253 "Generic_640x480_16", 325 .bpp = 4,
254 326 .control_base =
255 /* mode_control */ 327 ( LCD_CONTROL_C
256 0x004806a | LCD_DEFAULT_PIX_FORMAT, 328 | LCD_CONTROL_BPP_4 ),
257 329 .horztiming =
258 /* mode_horztiming */ 330 ( LCD_HORZTIMING_HN2_N(1)
259 0x3434d67f, 331 | LCD_HORZTIMING_HN1_N(1)
260 332 | LCD_HORZTIMING_HPW_N(1)
261 /* mode_verttiming */ 333 | LCD_HORZTIMING_PPL_N(320) ),
262 0x0e0e39df, 334 .verttiming =
263 335 ( LCD_VERTTIMING_VN2_N(1)
264 /* mode_clkcontrol */ 336 | LCD_VERTTIMING_VN1_N(1)
265 ( 0 337 | LCD_VERTTIMING_VPW_N(1)
266 /*LCD_CLKCONTROL_IB*/ 338 | LCD_VERTTIMING_LPP_N(240) ),
267 /*LCD_CLKCONTROL_IC*/ 339 .clkcontrol_base = LCD_CLKCONTROL_PCD_N(4),
268 /*LCD_CLKCONTROL_IH*/
269 /*LCD_CLKCONTROL_IV*/
270 | LCD_CLKCONTROL_PCD_N(1) ),
271
272 /* mode_pwmdiv */
273 0,
274
275 /* mode_pwmhi */
276 0,
277
278 /* mode_toyclksrc */
279 ((1<<7) | (1<<6) | (0<<5)),
280
281 /* mode_backlight */
282 7
283 }, 340 },
284 341
285 { /* 2: Pb1100 LCDB 640x480 PrimeView TFT panel */ 342 /* Generic 640x480 TFT panel */
286 640, /* xres */ 343 [4] = {
287 480, /* yres */ 344 .name = "TFT_640x480_16",
288 16, /* bpp */ 345 .xres = 640,
289 346 .yres = 480,
290 "PrimeView_640x480_16", 347 .bpp = 16,
291 348 .control_base = 0x004806a | LCD_CONTROL_DEFAULT_PO,
292 /* mode_control */ 349 .horztiming = 0x3434d67f,
293 0x0004886a | LCD_DEFAULT_PIX_FORMAT, 350 .verttiming = 0x0e0e39df,
294 351 .clkcontrol_base = LCD_CLKCONTROL_PCD_N(1),
295 /* mode_horztiming */
296 0x0e4bfe7f,
297
298 /* mode_verttiming */
299 0x210805df,
300
301 /* mode_clkcontrol */
302 0x00038001,
303
304 /* mode_pwmdiv */
305 0,
306
307 /* mode_pwmhi */
308 0,
309
310 /* mode_toyclksrc */
311 ((1<<7) | (1<<6) | (0<<5)),
312
313 /* mode_backlight */
314 7
315 }, 352 },
316 353
317 { /* 3: Pb1100 800x600x16bpp NEON CRT */ 354 /* Pb1100 LCDB 640x480 PrimeView TFT panel */
318 800, /* xres */ 355 [5] = {
319 600, /* yres */ 356 .name = "PrimeView_640x480_16",
320 16, /* bpp */ 357 .xres = 640,
321 358 .yres = 480,
322 "NEON_800x600_16", 359 .bpp = 16,
323 360 .control_base = 0x0004886a | LCD_CONTROL_DEFAULT_PO,
324 /* mode_control */ 361 .horztiming = 0x0e4bfe7f,
325 0x0004886A | LCD_DEFAULT_PIX_FORMAT, 362 .verttiming = 0x210805df,
326 363 .clkcontrol_base = 0x00038001,
327 /* mode_horztiming */
328 0x005AFF1F,
329
330 /* mode_verttiming */
331 0x16000E57,
332
333 /* mode_clkcontrol */
334 0x00020000,
335
336 /* mode_pwmdiv */
337 0,
338
339 /* mode_pwmhi */
340 0,
341
342 /* mode_toyclksrc */
343 ((1<<7) | (1<<6) | (0<<5)),
344
345 /* mode_backlight */
346 7
347 }, 364 },
365};
348 366
349 { /* 4: Pb1100 640x480x16bpp NEON CRT */ 367struct au1100fb_drv_info {
350 640, /* xres */ 368 int panel_idx;
351 480, /* yres */ 369 char *opt_mode;
352 16, /* bpp */ 370};
353
354 "NEON_640x480_16",
355
356 /* mode_control */
357 0x0004886A | LCD_DEFAULT_PIX_FORMAT,
358
359 /* mode_horztiming */
360 0x0052E27F,
361
362 /* mode_verttiming */
363 0x18000DDF,
364
365 /* mode_clkcontrol */
366 0x00020000,
367 371
368 /* mode_pwmdiv */ 372/********************************************************************/
369 0,
370 373
371 /* mode_pwmhi */ 374/* Inline helpers */
372 0,
373 375
374 /* mode_toyclksrc */ 376#define panel_is_dual(panel) (panel->control_base & LCD_CONTROL_DP)
375 ((1<<7) | (1<<6) | (0<<5)), 377#define panel_is_active(panel)(panel->control_base & LCD_CONTROL_PT)
378#define panel_is_color(panel) (panel->control_base & LCD_CONTROL_PC)
379#define panel_swap_rgb(panel) (panel->control_base & LCD_CONTROL_CCO)
376 380
377 /* mode_backlight */
378 7
379 },
380};
381#endif /* _AU1100LCD_H */ 381#endif /* _AU1100LCD_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-25 14:16:14 -0400