3 * DENX Software Engineering, Anatolij Gustschin, agust@denx.de
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * mb862xx.c - Graphic interface for Fujitsu CoralP/Lime
26 * PCI and video mode code was derived from smiLynxEM driver.
31 #if defined(CONFIG_VIDEO_MB862xx)
36 #include "videomodes.h"
39 #if defined(CONFIG_POST)
45 GraphicDevice mb862xx;
48 * 32MB external RAM - 256K Chip MMIO = 0x1FC0000 ;
50 #define VIDEO_MEM_SIZE 0x01FC0000
52 #if defined(CONFIG_PCI)
53 #if defined(CONFIG_VIDEO_CORALP)
55 static struct pci_device_id supported[] = {
56 { PCI_VENDOR_ID_FUJITSU, PCI_DEVICE_ID_CORAL_P },
57 { PCI_VENDOR_ID_FUJITSU, PCI_DEVICE_ID_CORAL_PA },
61 /* Internal clock frequency divider table, index is mode number */
62 unsigned int fr_div[] = { 0x00000f00, 0x00000900, 0x00000500 };
66 #if defined(CONFIG_VIDEO_CORALP)
70 #define rd_io(addr) in_be32((volatile unsigned*)(addr))
71 #define wr_io(addr,val) out_be32((volatile unsigned*)(addr), (val))
74 #define HOST_RD_REG(off) rd_io((pGD->frameAdrs + 0x01fc0000 + (off)))
75 #define HOST_WR_REG(off, val) wr_io((pGD->frameAdrs + 0x01fc0000 + (off)), (val))
76 #define DISP_RD_REG(off) rd_io((pGD->frameAdrs + 0x01fd0000 + (off)))
77 #define DISP_WR_REG(off, val) wr_io((pGD->frameAdrs + 0x01fd0000 + (off)), (val))
78 #define DE_RD_REG(off) rd_io((pGD->dprBase + (off)))
79 #define DE_WR_REG(off, val) wr_io((pGD->dprBase + (off)), (val))
81 #if defined(CONFIG_VIDEO_CORALP)
82 #define DE_WR_FIFO(val) wr_io((pGD->dprBase + (0x8400)), (val))
84 #define DE_WR_FIFO(val) wr_io((pGD->dprBase + (0x04a0)), (val))
87 #define L0PAL_RD_REG(idx, val) rd_io((pGD->frameAdrs + 0x01fd0400 + ((idx)<<2)))
88 #define L0PAL_WR_REG(idx, val) wr_io((pGD->frameAdrs + 0x01fd0400 + ((idx)<<2)), (val))
89 #define L1PAL_RD_REG(idx, val) rd_io((pGD->frameAdrs + 0x01fd0800 + ((idx)<<2)))
90 #define L1PAL_WR_REG(idx, val) wr_io((pGD->frameAdrs + 0x01fd0800 + ((idx)<<2)), (val))
91 #define L2PAL_RD_REG(idx, val) rd_io((pGD->frameAdrs + 0x01fd1000 + ((idx)<<2)))
92 #define L2PAL_WR_REG(idx, val) wr_io((pGD->frameAdrs + 0x01fd1000 + ((idx)<<2)), (val))
93 #define L3PAL_RD_REG(idx, val) rd_io((pGD->frameAdrs + 0x01fd1400 + ((idx)<<2)))
94 #define L3PAL_WR_REG(idx, val) wr_io((pGD->frameAdrs + 0x01fd1400 + ((idx)<<2)), (val))
96 static void gdc_sw_reset(void)
98 GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
99 HOST_WR_REG (0x002c, 0x00000001);
105 static void de_wait(void)
107 GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
110 /* Sync with software writes to framebuffer,
111 try to reset if engine locked */
112 while (DE_RD_REG (0x0400) & 0x00000131)
115 printf ("gdc reset done after drawing engine lock...\n");
120 static void de_wait_slots(int slots)
122 GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
125 /* Wait for free fifo slots */
126 while (DE_RD_REG (0x0408) < slots)
129 printf ("gdc reset done after drawing engine lock...\n");
134 #if !defined(CONFIG_VIDEO_CORALP)
135 static void board_disp_init(void)
137 GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
138 const gdc_regs *regs = board_get_regs ();
140 while (regs->index) {
141 DISP_WR_REG (regs->index, regs->value);
148 * Init drawing engine
150 static void de_init (void)
152 GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
153 int cf = (pGD->gdfBytesPP == 1) ? 0x0000 : 0x8000;
155 pGD->dprBase = pGD->frameAdrs + 0x01ff0000;
157 /* Setup mode and fbbase, xres, fg, bg */
159 DE_WR_FIFO (0xf1010108);
160 DE_WR_FIFO (cf | 0x0300);
161 DE_WR_REG (0x0440, 0x0000);
162 DE_WR_REG (0x0444, pGD->winSizeX);
163 DE_WR_REG (0x0480, 0x0000);
164 DE_WR_REG (0x0484, 0x0000);
166 DE_WR_REG (0x0454, 0x0000);
167 DE_WR_REG (0x0458, pGD->winSizeX);
168 DE_WR_REG (0x045c, 0x0000);
169 DE_WR_REG (0x0460, pGD->winSizeY);
171 /* Clear framebuffer using drawing engine */
173 DE_WR_FIFO (0x09410000);
174 DE_WR_FIFO (0x00000000);
175 DE_WR_FIFO (pGD->winSizeY<<16 | pGD->winSizeX);
176 /* sync with SW access to framebuffer */
180 #if defined(CONFIG_VIDEO_CORALP)
181 unsigned int pci_video_init(void)
183 GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
186 if ((devbusfn = pci_find_devices(supported, 0)) < 0)
188 printf ("PCI video controller not found!\n");
193 pci_write_config_dword (devbusfn, PCI_COMMAND, (PCI_COMMAND_MEMORY | PCI_COMMAND_IO));
194 pci_read_config_dword (devbusfn, PCI_BASE_ADDRESS_0, &pGD->frameAdrs);
195 pGD->frameAdrs = pci_mem_to_phys (devbusfn, pGD->frameAdrs);
197 if (pGD->frameAdrs == 0) {
198 printf ("PCI config: failed to get base address\n");
202 pGD->pciBase = pGD->frameAdrs;
204 /* Setup clocks and memory mode for Coral-P Eval. Board */
205 HOST_WR_REG (0x0038, 0x00090000);
207 HOST_WR_REG (0xfffc, 0x11d7fa13);
209 return pGD->frameAdrs;
212 unsigned int card_init (void)
214 GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
215 unsigned int cf, videomode, div = 0;
216 unsigned long t1, hsync, vsync;
219 struct ctfb_res_modes *res_mode;
220 struct ctfb_res_modes var_mode;
222 memset (pGD, 0, sizeof (GraphicDevice));
224 if (!pci_video_init ()) {
232 /* get video mode via environment */
233 if ((penv = getenv ("videomode")) != NULL) {
234 /* deceide if it is a string */
235 if (penv[0] <= '9') {
236 videomode = (int) simple_strtoul (penv, NULL, 16);
243 /* parameter are vesa modes */
245 for (i = 0; i < VESA_MODES_COUNT; i++) {
246 if (vesa_modes[i].vesanr == videomode)
249 if (i == VESA_MODES_COUNT) {
250 printf ("\tno VESA Mode found, switching to mode 0x%x \n", videomode);
254 (struct ctfb_res_modes *) &res_mode_init[vesa_modes[i].resindex];
255 if (vesa_modes[i].resindex > 2) {
256 printf ("\tUnsupported resolution, switching to default\n");
257 bpp = vesa_modes[1].bits_per_pixel;
260 bpp = vesa_modes[i].bits_per_pixel;
261 div = fr_div[vesa_modes[i].resindex];
264 res_mode = (struct ctfb_res_modes *) &var_mode;
265 bpp = video_get_params (res_mode, penv);
268 /* calculate hsync and vsync freq (info only) */
269 t1 = (res_mode->left_margin + res_mode->xres +
270 res_mode->right_margin + res_mode->hsync_len) / 8;
272 t1 *= res_mode->pixclock;
274 hsync = 1000000000L / t1;
275 t1 *= (res_mode->upper_margin + res_mode->yres +
276 res_mode->lower_margin + res_mode->vsync_len);
278 vsync = 1000000000L / t1;
280 /* fill in Graphic device struct */
281 sprintf (pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz", res_mode->xres,
282 res_mode->yres, bpp, (hsync / 1000), (vsync / 1000));
283 printf ("\t%s\n", pGD->modeIdent);
284 pGD->winSizeX = res_mode->xres;
285 pGD->winSizeY = res_mode->yres;
286 pGD->memSize = VIDEO_MEM_SIZE;
290 pGD->gdfIndex = GDF__8BIT_INDEX;
295 pGD->gdfIndex = GDF_15BIT_555RGB;
299 printf ("\t%d bpp configured, but only 8,15 and 16 supported.\n", bpp);
300 printf ("\tSwitching back to 15bpp\n");
301 pGD->gdfIndex = GDF_15BIT_555RGB;
305 /* Setup dot clock (internal pll, division rate) */
306 DISP_WR_REG (0x0100, div);
308 cf = (pGD->gdfBytesPP == 1) ? 0x00000000 : 0x80000000;
309 DISP_WR_REG (0x0020, ((pGD->winSizeX * pGD->gdfBytesPP)/64)<<16 |
312 DISP_WR_REG (0x0024, 0x00000000);
313 DISP_WR_REG (0x0028, 0x00000000);
314 DISP_WR_REG (0x002c, 0x00000000);
315 DISP_WR_REG (0x0110, 0x00000000);
316 DISP_WR_REG (0x0114, 0x00000000);
317 DISP_WR_REG (0x0118, (pGD->winSizeY-1)<<16 | pGD->winSizeX);
319 /* Display timing init */
320 DISP_WR_REG (0x0004, (pGD->winSizeX+res_mode->left_margin+res_mode->right_margin+res_mode->hsync_len-1)<<16);
321 DISP_WR_REG (0x0008, (pGD->winSizeX-1) << 16 | (pGD->winSizeX-1));
322 DISP_WR_REG (0x000c, (res_mode->vsync_len-1)<<24|(res_mode->hsync_len-1)<<16|(pGD->winSizeX+res_mode->right_margin-1));
323 DISP_WR_REG (0x0010, (pGD->winSizeY+res_mode->lower_margin+res_mode->upper_margin+res_mode->vsync_len-1)<<16);
324 DISP_WR_REG (0x0014, (pGD->winSizeY-1) << 16 | (pGD->winSizeY+res_mode->lower_margin-1));
325 DISP_WR_REG (0x0018, 0x00000000);
326 DISP_WR_REG (0x001c, pGD->winSizeY << 16 | pGD->winSizeX);
327 /* Display enable, L0 layer */
328 DISP_WR_REG (0x0100, 0x80010000 | div);
330 return pGD->frameAdrs;
334 void *video_hw_init (void)
336 GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
338 printf ("Video: Fujitsu ");
340 memset (pGD, 0, sizeof (GraphicDevice));
342 #if defined(CONFIG_VIDEO_CORALP)
343 if (card_init () == 0) {
347 /* Preliminary init of the onboard graphic controller,
348 retrieve base address */
349 if ((pGD->frameAdrs = board_video_init ()) == 0) {
350 printf ("Controller not found!\n");
358 #if !defined(CONFIG_VIDEO_CORALP)
362 #if defined(CONFIG_LWMON5) && !(CONFIG_POST & CFG_POST_SYSMON)
364 board_backlight_switch (1);
371 * Set a RGB color in the LUT
373 void video_set_lut (unsigned int index, unsigned char r, unsigned char g, unsigned char b)
375 GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
377 L0PAL_WR_REG (index, (r << 16) | (g << 8) | (b));
381 * Drawing engine Fill and BitBlt screen region
383 void video_hw_rectfill (unsigned int bpp, unsigned int dst_x, unsigned int dst_y,
384 unsigned int dim_x, unsigned int dim_y, unsigned int color)
386 GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
389 DE_WR_REG (0x0480, color);
390 DE_WR_FIFO (0x09410000);
391 DE_WR_FIFO ((dst_y << 16) | dst_x);
392 DE_WR_FIFO ((dim_y << 16) | dim_x);
396 void video_hw_bitblt (unsigned int bpp, unsigned int src_x, unsigned int src_y,
397 unsigned int dst_x, unsigned int dst_y, unsigned int width,
400 GraphicDevice *pGD = (GraphicDevice *)&mb862xx;
401 unsigned int ctrl = 0x0d000000L;
403 if (src_x >= dst_x && src_y >= dst_y)
405 else if (src_x >= dst_x && src_y <= dst_y)
407 else if (src_x <= dst_x && src_y >= dst_y)
414 DE_WR_FIFO ((src_y << 16) | src_x);
415 DE_WR_FIFO ((dst_y << 16) | dst_x);
416 DE_WR_FIFO ((height << 16) | width);
417 de_wait (); /* sync */
419 #endif /* CONFIG_VIDEO_MB862xx */