3 * drivers/video/aty/radeon_base.c
5 * framebuffer driver for ATI Radeon chipset video boards
7 * Copyright 2003 Ben. Herrenschmidt <benh@kernel.crashing.org>
8 * Copyright 2000 Ani Joshi <ajoshi@kernel.crashing.org>
10 * i2c bits from Luca Tettamanti <kronos@kronoz.cjb.net>
12 * Special thanks to ATI DevRel team for their hardware donations.
14 * ...Insert GPL boilerplate here...
16 * Significant portions of this driver apdated from XFree86 Radeon
17 * driver which has the following copyright notice:
19 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
20 * VA Linux Systems Inc., Fremont, California.
22 * All Rights Reserved.
24 * Permission is hereby granted, free of charge, to any person obtaining
25 * a copy of this software and associated documentation files (the
26 * "Software"), to deal in the Software without restriction, including
27 * without limitation on the rights to use, copy, modify, merge,
28 * publish, distribute, sublicense, and/or sell copies of the Software,
29 * and to permit persons to whom the Software is furnished to do so,
30 * subject to the following conditions:
32 * The above copyright notice and this permission notice (including the
33 * next paragraph) shall be included in all copies or substantial
34 * portions of the Software.
36 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
37 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
38 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
39 * NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
40 * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
41 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
42 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
43 * DEALINGS IN THE SOFTWARE.
45 * XFree86 driver authors:
47 * Kevin E. Martin <martin@xfree86.org>
48 * Rickard E. Faith <faith@valinux.com>
49 * Alan Hourihane <alanh@fairlite.demon.co.uk>
54 #define RADEON_VERSION "0.2.0"
56 #include <linux/config.h>
57 #include <linux/module.h>
58 #include <linux/moduleparam.h>
59 #include <linux/kernel.h>
60 #include <linux/errno.h>
61 #include <linux/string.h>
63 #include <linux/tty.h>
64 #include <linux/slab.h>
65 #include <linux/delay.h>
66 #include <linux/time.h>
68 #include <linux/ioport.h>
69 #include <linux/init.h>
70 #include <linux/pci.h>
71 #include <linux/vmalloc.h>
72 #include <linux/device.h>
73 #include <linux/i2c.h>
76 #include <asm/uaccess.h>
80 #include <asm/pci-bridge.h>
81 #include "../macmodes.h"
83 #ifdef CONFIG_PMAC_BACKLIGHT
84 #include <asm/backlight.h>
87 #ifdef CONFIG_BOOTX_TEXT
88 #include <asm/btext.h>
91 #endif /* CONFIG_PPC_OF */
97 #include <video/radeon.h>
98 #include <linux/radeonfb.h>
100 #include "../edid.h" // MOVE THAT TO include/video
102 #include "radeonfb.h"
104 #define MAX_MAPPED_VRAM (2048*2048*4)
105 #define MIN_MAPPED_VRAM (1024*768*1)
107 #define CHIP_DEF(id, family, flags) \
108 { PCI_VENDOR_ID_ATI, id, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (flags) | (CHIP_FAMILY_##family) }
110 static struct pci_device_id radeonfb_pci_table[] = {
112 CHIP_DEF(PCI_CHIP_RADEON_LY, RV100, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
113 CHIP_DEF(PCI_CHIP_RADEON_LZ, RV100, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
115 CHIP_DEF(PCI_CHIP_RV100_QY, RV100, CHIP_HAS_CRTC2),
116 CHIP_DEF(PCI_CHIP_RV100_QZ, RV100, CHIP_HAS_CRTC2),
117 /* Radeon IGP320M (U1) */
118 CHIP_DEF(PCI_CHIP_RS100_4336, RS100, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
119 /* Radeon IGP320 (A3) */
120 CHIP_DEF(PCI_CHIP_RS100_4136, RS100, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
121 /* IGP330M/340M/350M (U2) */
122 CHIP_DEF(PCI_CHIP_RS200_4337, RS200, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
123 /* IGP330/340/350 (A4) */
124 CHIP_DEF(PCI_CHIP_RS200_4137, RS200, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
125 /* Mobility 7000 IGP */
126 CHIP_DEF(PCI_CHIP_RS250_4437, RS200, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
128 CHIP_DEF(PCI_CHIP_RS250_4237, RS200, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
130 CHIP_DEF(PCI_CHIP_R200_BB, R200, CHIP_HAS_CRTC2),
131 CHIP_DEF(PCI_CHIP_R200_BC, R200, CHIP_HAS_CRTC2),
133 CHIP_DEF(PCI_CHIP_R200_QH, R200, CHIP_HAS_CRTC2),
135 CHIP_DEF(PCI_CHIP_R200_QL, R200, CHIP_HAS_CRTC2),
137 CHIP_DEF(PCI_CHIP_R200_QM, R200, CHIP_HAS_CRTC2),
139 CHIP_DEF(PCI_CHIP_RADEON_LW, RV200, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
140 CHIP_DEF(PCI_CHIP_RADEON_LX, RV200, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
142 CHIP_DEF(PCI_CHIP_RV200_QW, RV200, CHIP_HAS_CRTC2),
143 CHIP_DEF(PCI_CHIP_RV200_QX, RV200, CHIP_HAS_CRTC2),
145 CHIP_DEF(PCI_CHIP_RV250_Ld, RV250, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
146 CHIP_DEF(PCI_CHIP_RV250_Le, RV250, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
147 CHIP_DEF(PCI_CHIP_RV250_Lf, RV250, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
148 CHIP_DEF(PCI_CHIP_RV250_Lg, RV250, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
150 CHIP_DEF(PCI_CHIP_RV250_If, RV250, CHIP_HAS_CRTC2),
151 CHIP_DEF(PCI_CHIP_RV250_Ig, RV250, CHIP_HAS_CRTC2),
152 /* Mobility 9100 IGP (U3) */
153 CHIP_DEF(PCI_CHIP_RS300_5835, RS300, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
154 CHIP_DEF(PCI_CHIP_RS350_7835, RS300, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
156 CHIP_DEF(PCI_CHIP_RS300_5834, RS300, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
157 CHIP_DEF(PCI_CHIP_RS350_7834, RS300, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
158 /* Mobility 9200 (M9+) */
159 CHIP_DEF(PCI_CHIP_RV280_5C61, RV280, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
160 CHIP_DEF(PCI_CHIP_RV280_5C63, RV280, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
162 CHIP_DEF(PCI_CHIP_RV280_5960, RV280, CHIP_HAS_CRTC2),
163 CHIP_DEF(PCI_CHIP_RV280_5961, RV280, CHIP_HAS_CRTC2),
164 CHIP_DEF(PCI_CHIP_RV280_5962, RV280, CHIP_HAS_CRTC2),
165 CHIP_DEF(PCI_CHIP_RV280_5964, RV280, CHIP_HAS_CRTC2),
167 CHIP_DEF(PCI_CHIP_R300_AD, R300, CHIP_HAS_CRTC2),
168 CHIP_DEF(PCI_CHIP_R300_AE, R300, CHIP_HAS_CRTC2),
169 /* 9600TX / FireGL Z1 */
170 CHIP_DEF(PCI_CHIP_R300_AF, R300, CHIP_HAS_CRTC2),
171 CHIP_DEF(PCI_CHIP_R300_AG, R300, CHIP_HAS_CRTC2),
172 /* 9700/9500/Pro/FireGL X1 */
173 CHIP_DEF(PCI_CHIP_R300_ND, R300, CHIP_HAS_CRTC2),
174 CHIP_DEF(PCI_CHIP_R300_NE, R300, CHIP_HAS_CRTC2),
175 CHIP_DEF(PCI_CHIP_R300_NF, R300, CHIP_HAS_CRTC2),
176 CHIP_DEF(PCI_CHIP_R300_NG, R300, CHIP_HAS_CRTC2),
177 /* Mobility M10/M11 */
178 CHIP_DEF(PCI_CHIP_RV350_NP, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
179 CHIP_DEF(PCI_CHIP_RV350_NQ, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
180 CHIP_DEF(PCI_CHIP_RV350_NR, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
181 CHIP_DEF(PCI_CHIP_RV350_NS, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
182 CHIP_DEF(PCI_CHIP_RV350_NT, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
183 CHIP_DEF(PCI_CHIP_RV350_NV, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
185 CHIP_DEF(PCI_CHIP_RV350_AP, RV350, CHIP_HAS_CRTC2),
186 CHIP_DEF(PCI_CHIP_RV350_AQ, RV350, CHIP_HAS_CRTC2),
187 CHIP_DEF(PCI_CHIP_RV360_AR, RV350, CHIP_HAS_CRTC2),
188 CHIP_DEF(PCI_CHIP_RV350_AS, RV350, CHIP_HAS_CRTC2),
189 CHIP_DEF(PCI_CHIP_RV350_AT, RV350, CHIP_HAS_CRTC2),
190 CHIP_DEF(PCI_CHIP_RV350_AV, RV350, CHIP_HAS_CRTC2),
191 /* 9800/Pro/FileGL X2 */
192 CHIP_DEF(PCI_CHIP_R350_AH, R350, CHIP_HAS_CRTC2),
193 CHIP_DEF(PCI_CHIP_R350_AI, R350, CHIP_HAS_CRTC2),
194 CHIP_DEF(PCI_CHIP_R350_AJ, R350, CHIP_HAS_CRTC2),
195 CHIP_DEF(PCI_CHIP_R350_AK, R350, CHIP_HAS_CRTC2),
196 CHIP_DEF(PCI_CHIP_R350_NH, R350, CHIP_HAS_CRTC2),
197 CHIP_DEF(PCI_CHIP_R350_NI, R350, CHIP_HAS_CRTC2),
198 CHIP_DEF(PCI_CHIP_R360_NJ, R350, CHIP_HAS_CRTC2),
199 CHIP_DEF(PCI_CHIP_R350_NK, R350, CHIP_HAS_CRTC2),
201 CHIP_DEF(PCI_CHIP_RV380_3E50, RV380, CHIP_HAS_CRTC2),
202 CHIP_DEF(PCI_CHIP_RV380_3E54, RV380, CHIP_HAS_CRTC2),
203 CHIP_DEF(PCI_CHIP_RV380_3150, RV380, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
204 CHIP_DEF(PCI_CHIP_RV380_3154, RV380, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
205 CHIP_DEF(PCI_CHIP_RV370_5B60, RV380, CHIP_HAS_CRTC2),
206 CHIP_DEF(PCI_CHIP_RV370_5B62, RV380, CHIP_HAS_CRTC2),
207 CHIP_DEF(PCI_CHIP_RV370_5B64, RV380, CHIP_HAS_CRTC2),
208 CHIP_DEF(PCI_CHIP_RV370_5B65, RV380, CHIP_HAS_CRTC2),
209 CHIP_DEF(PCI_CHIP_RV370_5460, RV380, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
210 CHIP_DEF(PCI_CHIP_RV370_5464, RV380, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
211 CHIP_DEF(PCI_CHIP_R420_JH, R420, CHIP_HAS_CRTC2),
212 CHIP_DEF(PCI_CHIP_R420_JI, R420, CHIP_HAS_CRTC2),
213 CHIP_DEF(PCI_CHIP_R420_JJ, R420, CHIP_HAS_CRTC2),
214 CHIP_DEF(PCI_CHIP_R420_JK, R420, CHIP_HAS_CRTC2),
215 CHIP_DEF(PCI_CHIP_R420_JL, R420, CHIP_HAS_CRTC2),
216 CHIP_DEF(PCI_CHIP_R420_JM, R420, CHIP_HAS_CRTC2),
217 CHIP_DEF(PCI_CHIP_R420_JN, R420, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
218 CHIP_DEF(PCI_CHIP_R420_JP, R420, CHIP_HAS_CRTC2),
219 CHIP_DEF(PCI_CHIP_R423_UH, R420, CHIP_HAS_CRTC2),
220 CHIP_DEF(PCI_CHIP_R423_UI, R420, CHIP_HAS_CRTC2),
221 CHIP_DEF(PCI_CHIP_R423_UJ, R420, CHIP_HAS_CRTC2),
222 CHIP_DEF(PCI_CHIP_R423_UK, R420, CHIP_HAS_CRTC2),
223 CHIP_DEF(PCI_CHIP_R423_UQ, R420, CHIP_HAS_CRTC2),
224 CHIP_DEF(PCI_CHIP_R423_UR, R420, CHIP_HAS_CRTC2),
225 CHIP_DEF(PCI_CHIP_R423_UT, R420, CHIP_HAS_CRTC2),
226 CHIP_DEF(PCI_CHIP_R423_5D57, R420, CHIP_HAS_CRTC2),
227 /* Original Radeon/7200 */
228 CHIP_DEF(PCI_CHIP_RADEON_QD, RADEON, 0),
229 CHIP_DEF(PCI_CHIP_RADEON_QE, RADEON, 0),
230 CHIP_DEF(PCI_CHIP_RADEON_QF, RADEON, 0),
231 CHIP_DEF(PCI_CHIP_RADEON_QG, RADEON, 0),
234 MODULE_DEVICE_TABLE(pci, radeonfb_pci_table);
243 /* these common regs are cleared before mode setting so they do not
244 * interfere with anything
246 static reg_val common_regs[] = {
248 { OVR_WID_LEFT_RIGHT, 0 },
249 { OVR_WID_TOP_BOTTOM, 0 },
250 { OV0_SCALE_CNTL, 0 },
255 { CAP0_TRIG_CNTL, 0 },
256 { CAP1_TRIG_CNTL, 0 },
263 static char *mode_option;
264 static char *monitor_layout;
265 static int noaccel = 0;
266 static int default_dynclk = -2;
267 static int nomodeset = 0;
268 static int ignore_edid = 0;
269 static int mirror = 0;
270 static int panel_yres = 0;
271 static int force_dfp = 0;
272 static int force_measure_pll = 0;
274 static int nomtrr = 0;
284 #ifdef CONFIG_PMAC_BACKLIGHT
285 static int radeon_set_backlight_enable(int on, int level, void *data);
286 static int radeon_set_backlight_level(int level, void *data);
287 static struct backlight_controller radeon_backlight_controller = {
288 radeon_set_backlight_enable,
289 radeon_set_backlight_level
291 #endif /* CONFIG_PMAC_BACKLIGHT */
293 #endif /* CONFIG_PPC_OF */
295 static void radeon_unmap_ROM(struct radeonfb_info *rinfo, struct pci_dev *dev)
297 if (!rinfo->bios_seg)
299 pci_unmap_rom(dev, rinfo->bios_seg);
302 static int __devinit radeon_map_ROM(struct radeonfb_info *rinfo, struct pci_dev *dev)
309 /* If this is a primary card, there is a shadow copy of the
310 * ROM somewhere in the first meg. We will just ignore the copy
311 * and use the ROM directly.
314 /* Fix from ATI for problem with Radeon hardware not leaving ROM enabled */
316 temp = INREG(MPP_TB_CONFIG);
319 OUTREG(MPP_TB_CONFIG, temp);
320 temp = INREG(MPP_TB_CONFIG);
322 rom = pci_map_rom(dev, &rom_size);
324 printk(KERN_ERR "radeonfb (%s): ROM failed to map\n",
325 pci_name(rinfo->pdev));
329 rinfo->bios_seg = rom;
331 /* Very simple test to make sure it appeared */
332 if (BIOS_IN16(0) != 0xaa55) {
333 printk(KERN_ERR "radeonfb (%s): Invalid ROM signature %x should be"
334 "0xaa55\n", pci_name(rinfo->pdev), BIOS_IN16(0));
337 /* Look for the PCI data to check the ROM type */
338 dptr = BIOS_IN16(0x18);
340 /* Check the PCI data signature. If it's wrong, we still assume a normal x86 ROM
341 * for now, until I've verified this works everywhere. The goal here is more
342 * to phase out Open Firmware images.
344 * Currently, we only look at the first PCI data, we could iteratre and deal with
345 * them all, and we should use fb_bios_start relative to start of image and not
346 * relative start of ROM, but so far, I never found a dual-image ATI card
349 * u32 signature; + 0x00
352 * u16 reserved_1; + 0x08
354 * u8 drevision; + 0x0c
355 * u8 class_hi; + 0x0d
356 * u16 class_lo; + 0x0e
358 * u16 irevision; + 0x12
360 * u8 indicator; + 0x15
361 * u16 reserved_2; + 0x16
364 if (BIOS_IN32(dptr) != (('R' << 24) | ('I' << 16) | ('C' << 8) | 'P')) {
365 printk(KERN_WARNING "radeonfb (%s): PCI DATA signature in ROM"
366 "incorrect: %08x\n", pci_name(rinfo->pdev), BIOS_IN32(dptr));
369 rom_type = BIOS_IN8(dptr + 0x14);
372 printk(KERN_INFO "radeonfb: Found Intel x86 BIOS ROM Image\n");
375 printk(KERN_INFO "radeonfb: Found Open Firmware ROM Image\n");
378 printk(KERN_INFO "radeonfb: Found HP PA-RISC ROM Image\n");
381 printk(KERN_INFO "radeonfb: Found unknown type %d ROM Image\n", rom_type);
385 /* Locate the flat panel infos, do some sanity checking !!! */
386 rinfo->fp_bios_start = BIOS_IN16(0x48);
390 rinfo->bios_seg = NULL;
391 radeon_unmap_ROM(rinfo, dev);
396 static int __devinit radeon_find_mem_vbios(struct radeonfb_info *rinfo)
398 /* I simplified this code as we used to miss the signatures in
399 * a lot of case. It's now closer to XFree, we just don't check
400 * for signatures at all... Something better will have to be done
401 * if we end up having conflicts
404 void __iomem *rom_base = NULL;
406 for(segstart=0x000c0000; segstart<0x000f0000; segstart+=0x00001000) {
407 rom_base = ioremap(segstart, 0x10000);
408 if (rom_base == NULL)
410 if (readb(rom_base) == 0x55 && readb(rom_base + 1) == 0xaa)
415 if (rom_base == NULL)
418 /* Locate the flat panel infos, do some sanity checking !!! */
419 rinfo->bios_seg = rom_base;
420 rinfo->fp_bios_start = BIOS_IN16(0x48);
428 * Read XTAL (ref clock), SCLK and MCLK from Open Firmware device
429 * tree. Hopefully, ATI OF driver is kind enough to fill these
431 static int __devinit radeon_read_xtal_OF (struct radeonfb_info *rinfo)
433 struct device_node *dp = rinfo->of_node;
438 val = (u32 *) get_property(dp, "ATY,RefCLK", NULL);
440 printk(KERN_WARNING "radeonfb: No ATY,RefCLK property !\n");
444 rinfo->pll.ref_clk = (*val) / 10;
446 val = (u32 *) get_property(dp, "ATY,SCLK", NULL);
448 rinfo->pll.sclk = (*val) / 10;
450 val = (u32 *) get_property(dp, "ATY,MCLK", NULL);
452 rinfo->pll.mclk = (*val) / 10;
456 #endif /* CONFIG_PPC_OF */
459 * Read PLL infos from chip registers
461 static int __devinit radeon_probe_pll_params(struct radeonfb_info *rinfo)
463 unsigned char ppll_div_sel;
465 unsigned sclk, mclk, tmp, ref_div;
466 int hTotal, vTotal, num, denom, m, n;
467 unsigned long long hz, vclk;
469 struct timeval start_tv, stop_tv;
470 long total_secs, total_usecs;
473 /* Ugh, we cut interrupts, bad bad bad, but we want some precision
477 /* Flush PCI buffers ? */
478 tmp = INREG(DEVICE_ID);
482 for(i=0; i<1000000; i++)
483 if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) == 0)
486 do_gettimeofday(&start_tv);
488 for(i=0; i<1000000; i++)
489 if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) != 0)
492 for(i=0; i<1000000; i++)
493 if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) == 0)
496 do_gettimeofday(&stop_tv);
500 total_secs = stop_tv.tv_sec - start_tv.tv_sec;
503 total_usecs = stop_tv.tv_usec - start_tv.tv_usec;
504 total_usecs += total_secs * 1000000;
506 total_usecs = -total_usecs;
507 hz = 1000000/total_usecs;
509 hTotal = ((INREG(CRTC_H_TOTAL_DISP) & 0x1ff) + 1) * 8;
510 vTotal = ((INREG(CRTC_V_TOTAL_DISP) & 0x3ff) + 1);
511 vclk = (long long)hTotal * (long long)vTotal * hz;
513 switch((INPLL(PPLL_REF_DIV) & 0x30000) >> 16) {
520 n = ((INPLL(M_SPLL_REF_FB_DIV) >> 16) & 0xff);
521 m = (INPLL(M_SPLL_REF_FB_DIV) & 0xff);
526 n = ((INPLL(M_SPLL_REF_FB_DIV) >> 8) & 0xff);
527 m = (INPLL(M_SPLL_REF_FB_DIV) & 0xff);
533 ppll_div_sel = INREG8(CLOCK_CNTL_INDEX + 1) & 0x3;
535 n = (INPLL(PPLL_DIV_0 + ppll_div_sel) & 0x7ff);
536 m = (INPLL(PPLL_REF_DIV) & 0x3ff);
541 switch ((INPLL(PPLL_DIV_0 + ppll_div_sel) >> 16) & 0x7) {
563 do_div(vclk, 1000 * num);
566 if ((xtal > 26900) && (xtal < 27100))
568 else if ((xtal > 14200) && (xtal < 14400))
570 else if ((xtal > 29400) && (xtal < 29600))
573 printk(KERN_WARNING "xtal calculation failed: %ld\n", xtal);
577 tmp = INPLL(M_SPLL_REF_FB_DIV);
578 ref_div = INPLL(PPLL_REF_DIV) & 0x3ff;
580 Ns = (tmp & 0xff0000) >> 16;
581 Nm = (tmp & 0xff00) >> 8;
583 sclk = round_div((2 * Ns * xtal), (2 * M));
584 mclk = round_div((2 * Nm * xtal), (2 * M));
586 /* we're done, hopefully these are sane values */
587 rinfo->pll.ref_clk = xtal;
588 rinfo->pll.ref_div = ref_div;
589 rinfo->pll.sclk = sclk;
590 rinfo->pll.mclk = mclk;
596 * Retreive PLL infos by different means (BIOS, Open Firmware, register probing...)
598 static void __devinit radeon_get_pllinfo(struct radeonfb_info *rinfo)
601 * In the case nothing works, these are defaults; they are mostly
602 * incomplete, however. It does provide ppll_max and _min values
603 * even for most other methods, however.
605 switch (rinfo->chipset) {
606 case PCI_DEVICE_ID_ATI_RADEON_QW:
607 case PCI_DEVICE_ID_ATI_RADEON_QX:
608 rinfo->pll.ppll_max = 35000;
609 rinfo->pll.ppll_min = 12000;
610 rinfo->pll.mclk = 23000;
611 rinfo->pll.sclk = 23000;
612 rinfo->pll.ref_clk = 2700;
614 case PCI_DEVICE_ID_ATI_RADEON_QL:
615 case PCI_DEVICE_ID_ATI_RADEON_QN:
616 case PCI_DEVICE_ID_ATI_RADEON_QO:
617 case PCI_DEVICE_ID_ATI_RADEON_Ql:
618 case PCI_DEVICE_ID_ATI_RADEON_BB:
619 rinfo->pll.ppll_max = 35000;
620 rinfo->pll.ppll_min = 12000;
621 rinfo->pll.mclk = 27500;
622 rinfo->pll.sclk = 27500;
623 rinfo->pll.ref_clk = 2700;
625 case PCI_DEVICE_ID_ATI_RADEON_Id:
626 case PCI_DEVICE_ID_ATI_RADEON_Ie:
627 case PCI_DEVICE_ID_ATI_RADEON_If:
628 case PCI_DEVICE_ID_ATI_RADEON_Ig:
629 rinfo->pll.ppll_max = 35000;
630 rinfo->pll.ppll_min = 12000;
631 rinfo->pll.mclk = 25000;
632 rinfo->pll.sclk = 25000;
633 rinfo->pll.ref_clk = 2700;
635 case PCI_DEVICE_ID_ATI_RADEON_ND:
636 case PCI_DEVICE_ID_ATI_RADEON_NE:
637 case PCI_DEVICE_ID_ATI_RADEON_NF:
638 case PCI_DEVICE_ID_ATI_RADEON_NG:
639 rinfo->pll.ppll_max = 40000;
640 rinfo->pll.ppll_min = 20000;
641 rinfo->pll.mclk = 27000;
642 rinfo->pll.sclk = 27000;
643 rinfo->pll.ref_clk = 2700;
645 case PCI_DEVICE_ID_ATI_RADEON_QD:
646 case PCI_DEVICE_ID_ATI_RADEON_QE:
647 case PCI_DEVICE_ID_ATI_RADEON_QF:
648 case PCI_DEVICE_ID_ATI_RADEON_QG:
650 rinfo->pll.ppll_max = 35000;
651 rinfo->pll.ppll_min = 12000;
652 rinfo->pll.mclk = 16600;
653 rinfo->pll.sclk = 16600;
654 rinfo->pll.ref_clk = 2700;
657 rinfo->pll.ref_div = INPLL(PPLL_REF_DIV) & PPLL_REF_DIV_MASK;
662 * Retreive PLL infos from Open Firmware first
664 if (!force_measure_pll && radeon_read_xtal_OF(rinfo) == 0) {
665 printk(KERN_INFO "radeonfb: Retreived PLL infos from Open Firmware\n");
668 #endif /* CONFIG_PPC_OF */
671 * Check out if we have an X86 which gave us some PLL informations
672 * and if yes, retreive them
674 if (!force_measure_pll && rinfo->bios_seg) {
675 u16 pll_info_block = BIOS_IN16(rinfo->fp_bios_start + 0x30);
677 rinfo->pll.sclk = BIOS_IN16(pll_info_block + 0x08);
678 rinfo->pll.mclk = BIOS_IN16(pll_info_block + 0x0a);
679 rinfo->pll.ref_clk = BIOS_IN16(pll_info_block + 0x0e);
680 rinfo->pll.ref_div = BIOS_IN16(pll_info_block + 0x10);
681 rinfo->pll.ppll_min = BIOS_IN32(pll_info_block + 0x12);
682 rinfo->pll.ppll_max = BIOS_IN32(pll_info_block + 0x16);
684 printk(KERN_INFO "radeonfb: Retreived PLL infos from BIOS\n");
689 * We didn't get PLL parameters from either OF or BIOS, we try to
692 if (radeon_probe_pll_params(rinfo) == 0) {
693 printk(KERN_INFO "radeonfb: Retreived PLL infos from registers\n");
698 * Fall back to already-set defaults...
700 printk(KERN_INFO "radeonfb: Used default PLL infos\n");
704 * Some methods fail to retreive SCLK and MCLK values, we apply default
705 * settings in this case (200Mhz). If that really happne often, we could
706 * fetch from registers instead...
708 if (rinfo->pll.mclk == 0)
709 rinfo->pll.mclk = 20000;
710 if (rinfo->pll.sclk == 0)
711 rinfo->pll.sclk = 20000;
713 printk("radeonfb: Reference=%d.%02d MHz (RefDiv=%d) Memory=%d.%02d Mhz, System=%d.%02d MHz\n",
714 rinfo->pll.ref_clk / 100, rinfo->pll.ref_clk % 100,
716 rinfo->pll.mclk / 100, rinfo->pll.mclk % 100,
717 rinfo->pll.sclk / 100, rinfo->pll.sclk % 100);
718 printk("radeonfb: PLL min %d max %d\n", rinfo->pll.ppll_min, rinfo->pll.ppll_max);
721 static int radeonfb_check_var (struct fb_var_screeninfo *var, struct fb_info *info)
723 struct radeonfb_info *rinfo = info->par;
724 struct fb_var_screeninfo v;
728 if (radeon_match_mode(rinfo, &v, var))
731 switch (v.bits_per_pixel) {
733 v.bits_per_pixel = 8;
736 v.bits_per_pixel = 16;
739 #if 0 /* Doesn't seem to work */
740 v.bits_per_pixel = 24;
745 v.bits_per_pixel = 32;
751 switch (var_to_depth(&v)) {
754 v.red.offset = v.green.offset = v.blue.offset = 0;
755 v.red.length = v.green.length = v.blue.length = 8;
756 v.transp.offset = v.transp.length = 0;
764 v.red.length = v.green.length = v.blue.length = 5;
765 v.transp.offset = v.transp.length = 0;
776 v.transp.offset = v.transp.length = 0;
784 v.red.length = v.blue.length = v.green.length = 8;
785 v.transp.offset = v.transp.length = 0;
793 v.red.length = v.blue.length = v.green.length = 8;
794 v.transp.offset = 24;
798 printk ("radeonfb: mode %dx%dx%d rejected, color depth invalid\n",
799 var->xres, var->yres, var->bits_per_pixel);
803 if (v.yres_virtual < v.yres)
804 v.yres_virtual = v.yres;
805 if (v.xres_virtual < v.xres)
806 v.xres_virtual = v.xres;
809 /* XXX I'm adjusting xres_virtual to the pitch, that may help XFree
810 * with some panels, though I don't quite like this solution
812 if (rinfo->info->flags & FBINFO_HWACCEL_DISABLED) {
813 v.xres_virtual = v.xres_virtual & ~7ul;
815 pitch = ((v.xres_virtual * ((v.bits_per_pixel + 1) / 8) + 0x3f)
817 v.xres_virtual = (pitch << 6) / ((v.bits_per_pixel + 1) / 8);
820 if (((v.xres_virtual * v.yres_virtual * nom) / den) > rinfo->mapped_vram)
823 if (v.xres_virtual < v.xres)
824 v.xres = v.xres_virtual;
831 if (v.xoffset > v.xres_virtual - v.xres)
832 v.xoffset = v.xres_virtual - v.xres - 1;
834 if (v.yoffset > v.yres_virtual - v.yres)
835 v.yoffset = v.yres_virtual - v.yres - 1;
837 v.red.msb_right = v.green.msb_right = v.blue.msb_right =
838 v.transp.offset = v.transp.length =
839 v.transp.msb_right = 0;
841 memcpy(var, &v, sizeof(v));
847 static int radeonfb_pan_display (struct fb_var_screeninfo *var,
848 struct fb_info *info)
850 struct radeonfb_info *rinfo = info->par;
852 if ((var->xoffset + var->xres > var->xres_virtual)
853 || (var->yoffset + var->yres > var->yres_virtual))
860 OUTREG(CRTC_OFFSET, ((var->yoffset * var->xres_virtual + var->xoffset)
861 * var->bits_per_pixel / 8) & ~7);
866 static int radeonfb_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
867 unsigned long arg, struct fb_info *info)
869 struct radeonfb_info *rinfo = info->par;
876 * TODO: set mirror accordingly for non-Mobility chipsets with 2 CRTC's
877 * and do something better using 2nd CRTC instead of just hackish
878 * routing to second output
880 case FBIO_RADEON_SET_MIRROR:
881 if (!rinfo->is_mobility)
884 rc = get_user(value, (__u32 __user *)arg);
891 tmp = INREG(LVDS_GEN_CNTL);
893 tmp |= (LVDS_ON | LVDS_BLON);
895 tmp = INREG(LVDS_GEN_CNTL);
897 tmp &= ~(LVDS_ON | LVDS_BLON);
900 OUTREG(LVDS_GEN_CNTL, tmp);
903 tmp = INREG(CRTC_EXT_CNTL);
908 tmp = INREG(CRTC_EXT_CNTL);
914 OUTREG(CRTC_EXT_CNTL, tmp);
917 case FBIO_RADEON_GET_MIRROR:
918 if (!rinfo->is_mobility)
921 tmp = INREG(LVDS_GEN_CNTL);
922 if ((LVDS_ON | LVDS_BLON) & tmp)
925 tmp = INREG(CRTC_EXT_CNTL);
926 if (CRTC_CRT_ON & tmp)
929 return put_user(value, (__u32 __user *)arg);
938 int radeon_screen_blank(struct radeonfb_info *rinfo, int blank, int mode_switch)
944 if (rinfo->lock_blank)
947 radeon_engine_idle();
949 val = INREG(CRTC_EXT_CNTL);
950 val &= ~(CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS |
953 case FB_BLANK_VSYNC_SUSPEND:
954 val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS);
956 case FB_BLANK_HSYNC_SUSPEND:
957 val |= (CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS);
959 case FB_BLANK_POWERDOWN:
960 val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS |
963 case FB_BLANK_NORMAL:
964 val |= CRTC_DISPLAY_DIS;
966 case FB_BLANK_UNBLANK:
970 OUTREG(CRTC_EXT_CNTL, val);
973 switch (rinfo->mon1_type) {
976 OUTREGP(FP_GEN_CNTL, (FP_FPON | FP_TMDS_EN),
977 ~(FP_FPON | FP_TMDS_EN));
979 if (mode_switch || blank == FB_BLANK_NORMAL)
981 OUTREGP(FP_GEN_CNTL, 0, ~(FP_FPON | FP_TMDS_EN));
985 del_timer_sync(&rinfo->lvds_timer);
986 val = INREG(LVDS_GEN_CNTL);
988 u32 target_val = (val & ~LVDS_DISPLAY_DIS) | LVDS_BLON | LVDS_ON
989 | LVDS_EN | (rinfo->init_state.lvds_gen_cntl
990 & (LVDS_DIGON | LVDS_BL_MOD_EN));
991 if ((val ^ target_val) == LVDS_DISPLAY_DIS)
992 OUTREG(LVDS_GEN_CNTL, target_val);
993 else if ((val ^ target_val) != 0) {
994 OUTREG(LVDS_GEN_CNTL, target_val
995 & ~(LVDS_ON | LVDS_BL_MOD_EN));
996 rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
997 rinfo->init_state.lvds_gen_cntl |=
998 target_val & LVDS_STATE_MASK;
1000 radeon_msleep(rinfo->panel_info.pwr_delay);
1001 OUTREG(LVDS_GEN_CNTL, target_val);
1004 rinfo->pending_lvds_gen_cntl = target_val;
1005 mod_timer(&rinfo->lvds_timer,
1007 msecs_to_jiffies(rinfo->panel_info.pwr_delay));
1011 val |= LVDS_DISPLAY_DIS;
1012 OUTREG(LVDS_GEN_CNTL, val);
1014 /* We don't do a full switch-off on a simple mode switch */
1015 if (mode_switch || blank == FB_BLANK_NORMAL)
1018 /* Asic bug, when turning off LVDS_ON, we have to make sure
1019 * RADEON_PIXCLK_LVDS_ALWAYS_ON bit is off
1021 tmp_pix_clks = INPLL(PIXCLKS_CNTL);
1022 if (rinfo->is_mobility || rinfo->is_IGP)
1023 OUTPLLP(PIXCLKS_CNTL, 0, ~PIXCLK_LVDS_ALWAYS_ONb);
1024 val &= ~(LVDS_BL_MOD_EN);
1025 OUTREG(LVDS_GEN_CNTL, val);
1027 val &= ~(LVDS_ON | LVDS_EN);
1028 OUTREG(LVDS_GEN_CNTL, val);
1030 rinfo->pending_lvds_gen_cntl = val;
1031 mod_timer(&rinfo->lvds_timer,
1033 msecs_to_jiffies(rinfo->panel_info.pwr_delay));
1034 rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
1035 rinfo->init_state.lvds_gen_cntl |= val & LVDS_STATE_MASK;
1036 if (rinfo->is_mobility || rinfo->is_IGP)
1037 OUTPLL(PIXCLKS_CNTL, tmp_pix_clks);
1041 // todo: powerdown DAC
1046 /* let fbcon do a soft blank for us */
1047 return (blank == FB_BLANK_NORMAL) ? -EINVAL : 0;
1050 static int radeonfb_blank (int blank, struct fb_info *info)
1052 struct radeonfb_info *rinfo = info->par;
1057 return radeon_screen_blank(rinfo, blank, 0);
1060 static int radeonfb_setcolreg (unsigned regno, unsigned red, unsigned green,
1061 unsigned blue, unsigned transp, struct fb_info *info)
1063 struct radeonfb_info *rinfo = info->par;
1073 rinfo->palette[regno].red = red;
1074 rinfo->palette[regno].green = green;
1075 rinfo->palette[regno].blue = blue;
1080 if (!rinfo->asleep) {
1081 u32 dac_cntl2, vclk_cntl = 0;
1083 radeon_fifo_wait(9);
1084 if (rinfo->is_mobility) {
1085 vclk_cntl = INPLL(VCLK_ECP_CNTL);
1086 OUTPLL(VCLK_ECP_CNTL, vclk_cntl & ~PIXCLK_DAC_ALWAYS_ONb);
1089 /* Make sure we are on first palette */
1090 if (rinfo->has_CRTC2) {
1091 dac_cntl2 = INREG(DAC_CNTL2);
1092 dac_cntl2 &= ~DAC2_PALETTE_ACCESS_CNTL;
1093 OUTREG(DAC_CNTL2, dac_cntl2);
1096 if (rinfo->bpp == 16) {
1099 if (rinfo->depth == 16 && regno > 63)
1101 if (rinfo->depth == 15 && regno > 31)
1104 /* For 565, the green component is mixed one order below */
1105 if (rinfo->depth == 16) {
1106 OUTREG(PALETTE_INDEX, pindex>>1);
1107 OUTREG(PALETTE_DATA, (rinfo->palette[regno>>1].red << 16) |
1108 (green << 8) | (rinfo->palette[regno>>1].blue));
1109 green = rinfo->palette[regno<<1].green;
1113 if (rinfo->depth != 16 || regno < 32) {
1114 OUTREG(PALETTE_INDEX, pindex);
1115 OUTREG(PALETTE_DATA, (red << 16) | (green << 8) | blue);
1117 if (rinfo->is_mobility)
1118 OUTPLL(VCLK_ECP_CNTL, vclk_cntl);
1121 u32 *pal = info->pseudo_palette;
1122 switch (rinfo->depth) {
1124 pal[regno] = (regno << 10) | (regno << 5) | regno;
1127 pal[regno] = (regno << 11) | (regno << 5) | regno;
1130 pal[regno] = (regno << 16) | (regno << 8) | regno;
1133 i = (regno << 8) | regno;
1134 pal[regno] = (i << 16) | i;
1142 void radeon_save_state (struct radeonfb_info *rinfo, struct radeon_regs *save)
1145 save->crtc_gen_cntl = INREG(CRTC_GEN_CNTL);
1146 save->crtc_ext_cntl = INREG(CRTC_EXT_CNTL);
1147 save->crtc_more_cntl = INREG(CRTC_MORE_CNTL);
1148 save->dac_cntl = INREG(DAC_CNTL);
1149 save->crtc_h_total_disp = INREG(CRTC_H_TOTAL_DISP);
1150 save->crtc_h_sync_strt_wid = INREG(CRTC_H_SYNC_STRT_WID);
1151 save->crtc_v_total_disp = INREG(CRTC_V_TOTAL_DISP);
1152 save->crtc_v_sync_strt_wid = INREG(CRTC_V_SYNC_STRT_WID);
1153 save->crtc_pitch = INREG(CRTC_PITCH);
1154 save->surface_cntl = INREG(SURFACE_CNTL);
1157 save->fp_crtc_h_total_disp = INREG(FP_CRTC_H_TOTAL_DISP);
1158 save->fp_crtc_v_total_disp = INREG(FP_CRTC_V_TOTAL_DISP);
1159 save->fp_gen_cntl = INREG(FP_GEN_CNTL);
1160 save->fp_h_sync_strt_wid = INREG(FP_H_SYNC_STRT_WID);
1161 save->fp_horz_stretch = INREG(FP_HORZ_STRETCH);
1162 save->fp_v_sync_strt_wid = INREG(FP_V_SYNC_STRT_WID);
1163 save->fp_vert_stretch = INREG(FP_VERT_STRETCH);
1164 save->lvds_gen_cntl = INREG(LVDS_GEN_CNTL);
1165 save->lvds_pll_cntl = INREG(LVDS_PLL_CNTL);
1166 save->tmds_crc = INREG(TMDS_CRC);
1167 save->tmds_transmitter_cntl = INREG(TMDS_TRANSMITTER_CNTL);
1168 save->vclk_ecp_cntl = INPLL(VCLK_ECP_CNTL);
1171 save->clk_cntl_index = INREG(CLOCK_CNTL_INDEX) & ~0x3f;
1172 save->ppll_div_3 = INPLL(PPLL_DIV_3);
1173 save->ppll_ref_div = INPLL(PPLL_REF_DIV);
1177 static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_regs *mode)
1181 radeon_fifo_wait(20);
1183 /* Workaround from XFree */
1184 if (rinfo->is_mobility) {
1185 /* A temporal workaround for the occational blanking on certain laptop
1186 * panels. This appears to related to the PLL divider registers
1187 * (fail to lock?). It occurs even when all dividers are the same
1188 * with their old settings. In this case we really don't need to
1189 * fiddle with PLL registers. By doing this we can avoid the blanking
1190 * problem with some panels.
1192 if ((mode->ppll_ref_div == (INPLL(PPLL_REF_DIV) & PPLL_REF_DIV_MASK)) &&
1193 (mode->ppll_div_3 == (INPLL(PPLL_DIV_3) &
1194 (PPLL_POST3_DIV_MASK | PPLL_FB3_DIV_MASK)))) {
1195 /* We still have to force a switch to selected PPLL div thanks to
1196 * an XFree86 driver bug which will switch it away in some cases
1197 * even when using UseFDev */
1198 OUTREGP(CLOCK_CNTL_INDEX,
1199 mode->clk_cntl_index & PPLL_DIV_SEL_MASK,
1200 ~PPLL_DIV_SEL_MASK);
1205 /* Swich VCKL clock input to CPUCLK so it stays fed while PPLL updates*/
1206 OUTPLLP(VCLK_ECP_CNTL, VCLK_SRC_SEL_CPUCLK, ~VCLK_SRC_SEL_MASK);
1208 /* Reset PPLL & enable atomic update */
1210 PPLL_RESET | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN,
1211 ~(PPLL_RESET | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN));
1213 /* Switch to selected PPLL divider */
1214 OUTREGP(CLOCK_CNTL_INDEX,
1215 mode->clk_cntl_index & PPLL_DIV_SEL_MASK,
1216 ~PPLL_DIV_SEL_MASK);
1218 /* Set PPLL ref. div */
1219 if (rinfo->family == CHIP_FAMILY_R300 ||
1220 rinfo->family == CHIP_FAMILY_RS300 ||
1221 rinfo->family == CHIP_FAMILY_R350 ||
1222 rinfo->family == CHIP_FAMILY_RV350) {
1223 if (mode->ppll_ref_div & R300_PPLL_REF_DIV_ACC_MASK) {
1224 /* When restoring console mode, use saved PPLL_REF_DIV
1227 OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, 0);
1229 /* R300 uses ref_div_acc field as real ref divider */
1230 OUTPLLP(PPLL_REF_DIV,
1231 (mode->ppll_ref_div << R300_PPLL_REF_DIV_ACC_SHIFT),
1232 ~R300_PPLL_REF_DIV_ACC_MASK);
1235 OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, ~PPLL_REF_DIV_MASK);
1237 /* Set PPLL divider 3 & post divider*/
1238 OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_FB3_DIV_MASK);
1239 OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_POST3_DIV_MASK);
1242 while (INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R)
1244 OUTPLLP(PPLL_REF_DIV, PPLL_ATOMIC_UPDATE_W, ~PPLL_ATOMIC_UPDATE_W);
1246 /* Wait read update complete */
1247 /* FIXME: Certain revisions of R300 can't recover here. Not sure of
1248 the cause yet, but this workaround will mask the problem for now.
1249 Other chips usually will pass at the very first test, so the
1250 workaround shouldn't have any effect on them. */
1251 for (i = 0; (i < 10000 && INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R); i++)
1254 OUTPLL(HTOTAL_CNTL, 0);
1256 /* Clear reset & atomic update */
1257 OUTPLLP(PPLL_CNTL, 0,
1258 ~(PPLL_RESET | PPLL_SLEEP | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN));
1260 /* We may want some locking ... oh well */
1263 /* Switch back VCLK source to PPLL */
1264 OUTPLLP(VCLK_ECP_CNTL, VCLK_SRC_SEL_PPLLCLK, ~VCLK_SRC_SEL_MASK);
1268 * Timer function for delayed LVDS panel power up/down
1270 static void radeon_lvds_timer_func(unsigned long data)
1272 struct radeonfb_info *rinfo = (struct radeonfb_info *)data;
1274 radeon_engine_idle();
1276 OUTREG(LVDS_GEN_CNTL, rinfo->pending_lvds_gen_cntl);
1280 * Apply a video mode. This will apply the whole register set, including
1281 * the PLL registers, to the card
1283 void radeon_write_mode (struct radeonfb_info *rinfo, struct radeon_regs *mode,
1287 int primary_mon = PRIMARY_MONITOR(rinfo);
1293 radeon_screen_blank(rinfo, FB_BLANK_NORMAL, 0);
1295 radeon_fifo_wait(31);
1296 for (i=0; i<10; i++)
1297 OUTREG(common_regs[i].reg, common_regs[i].val);
1299 /* Apply surface registers */
1300 for (i=0; i<8; i++) {
1301 OUTREG(SURFACE0_LOWER_BOUND + 0x10*i, mode->surf_lower_bound[i]);
1302 OUTREG(SURFACE0_UPPER_BOUND + 0x10*i, mode->surf_upper_bound[i]);
1303 OUTREG(SURFACE0_INFO + 0x10*i, mode->surf_info[i]);
1306 OUTREG(CRTC_GEN_CNTL, mode->crtc_gen_cntl);
1307 OUTREGP(CRTC_EXT_CNTL, mode->crtc_ext_cntl,
1308 ~(CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS));
1309 OUTREG(CRTC_MORE_CNTL, mode->crtc_more_cntl);
1310 OUTREGP(DAC_CNTL, mode->dac_cntl, DAC_RANGE_CNTL | DAC_BLANKING);
1311 OUTREG(CRTC_H_TOTAL_DISP, mode->crtc_h_total_disp);
1312 OUTREG(CRTC_H_SYNC_STRT_WID, mode->crtc_h_sync_strt_wid);
1313 OUTREG(CRTC_V_TOTAL_DISP, mode->crtc_v_total_disp);
1314 OUTREG(CRTC_V_SYNC_STRT_WID, mode->crtc_v_sync_strt_wid);
1315 OUTREG(CRTC_OFFSET, 0);
1316 OUTREG(CRTC_OFFSET_CNTL, 0);
1317 OUTREG(CRTC_PITCH, mode->crtc_pitch);
1318 OUTREG(SURFACE_CNTL, mode->surface_cntl);
1320 radeon_write_pll_regs(rinfo, mode);
1322 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
1323 radeon_fifo_wait(10);
1324 OUTREG(FP_CRTC_H_TOTAL_DISP, mode->fp_crtc_h_total_disp);
1325 OUTREG(FP_CRTC_V_TOTAL_DISP, mode->fp_crtc_v_total_disp);
1326 OUTREG(FP_H_SYNC_STRT_WID, mode->fp_h_sync_strt_wid);
1327 OUTREG(FP_V_SYNC_STRT_WID, mode->fp_v_sync_strt_wid);
1328 OUTREG(FP_HORZ_STRETCH, mode->fp_horz_stretch);
1329 OUTREG(FP_VERT_STRETCH, mode->fp_vert_stretch);
1330 OUTREG(FP_GEN_CNTL, mode->fp_gen_cntl);
1331 OUTREG(TMDS_CRC, mode->tmds_crc);
1332 OUTREG(TMDS_TRANSMITTER_CNTL, mode->tmds_transmitter_cntl);
1336 radeon_screen_blank(rinfo, FB_BLANK_UNBLANK, 0);
1338 radeon_fifo_wait(2);
1339 OUTPLL(VCLK_ECP_CNTL, mode->vclk_ecp_cntl);
1345 * Calculate the PLL values for a given mode
1347 static void radeon_calc_pll_regs(struct radeonfb_info *rinfo, struct radeon_regs *regs,
1365 int fb_div, pll_output_freq = 0;
1368 /* Check if the DVO port is enabled and sourced from the primary CRTC. I'm
1369 * not sure which model starts having FP2_GEN_CNTL, I assume anything more
1370 * recent than an r(v)100...
1373 /* XXX I had reports of flicker happening with the cinema display
1374 * on TMDS1 that seem to be fixed if I also forbit odd dividers in
1375 * this case. This could just be a bandwidth calculation issue, I
1376 * haven't implemented the bandwidth code yet, but in the meantime,
1377 * forcing uses_dvo to 1 fixes it and shouln't have bad side effects,
1378 * I haven't seen a case were were absolutely needed an odd PLL
1379 * divider. I'll find a better fix once I have more infos on the
1380 * real cause of the problem.
1382 while (rinfo->has_CRTC2) {
1383 u32 fp2_gen_cntl = INREG(FP2_GEN_CNTL);
1384 u32 disp_output_cntl;
1387 /* FP2 path not enabled */
1388 if ((fp2_gen_cntl & FP2_ON) == 0)
1390 /* Not all chip revs have the same format for this register,
1391 * extract the source selection
1393 if (rinfo->family == CHIP_FAMILY_R200 ||
1394 rinfo->family == CHIP_FAMILY_R300 ||
1395 rinfo->family == CHIP_FAMILY_R350 ||
1396 rinfo->family == CHIP_FAMILY_RV350) {
1397 source = (fp2_gen_cntl >> 10) & 0x3;
1398 /* sourced from transform unit, check for transform unit
1402 disp_output_cntl = INREG(DISP_OUTPUT_CNTL);
1403 source = (disp_output_cntl >> 12) & 0x3;
1406 source = (fp2_gen_cntl >> 13) & 0x1;
1407 /* sourced from CRTC2 -> exit */
1411 /* so we end up on CRTC1, let's set uses_dvo to 1 now */
1418 if (freq > rinfo->pll.ppll_max)
1419 freq = rinfo->pll.ppll_max;
1420 if (freq*12 < rinfo->pll.ppll_min)
1421 freq = rinfo->pll.ppll_min / 12;
1422 RTRACE("freq = %lu, PLL min = %u, PLL max = %u\n",
1423 freq, rinfo->pll.ppll_min, rinfo->pll.ppll_max);
1425 for (post_div = &post_divs[0]; post_div->divider; ++post_div) {
1426 pll_output_freq = post_div->divider * freq;
1427 /* If we output to the DVO port (external TMDS), we don't allow an
1428 * odd PLL divider as those aren't supported on this path
1430 if (uses_dvo && (post_div->divider & 1))
1432 if (pll_output_freq >= rinfo->pll.ppll_min &&
1433 pll_output_freq <= rinfo->pll.ppll_max)
1437 /* If we fall through the bottom, try the "default value"
1438 given by the terminal post_div->bitvalue */
1439 if ( !post_div->divider ) {
1440 post_div = &post_divs[post_div->bitvalue];
1441 pll_output_freq = post_div->divider * freq;
1443 RTRACE("ref_div = %d, ref_clk = %d, output_freq = %d\n",
1444 rinfo->pll.ref_div, rinfo->pll.ref_clk,
1447 /* If we fall through the bottom, try the "default value"
1448 given by the terminal post_div->bitvalue */
1449 if ( !post_div->divider ) {
1450 post_div = &post_divs[post_div->bitvalue];
1451 pll_output_freq = post_div->divider * freq;
1453 RTRACE("ref_div = %d, ref_clk = %d, output_freq = %d\n",
1454 rinfo->pll.ref_div, rinfo->pll.ref_clk,
1457 fb_div = round_div(rinfo->pll.ref_div*pll_output_freq,
1458 rinfo->pll.ref_clk);
1459 regs->ppll_ref_div = rinfo->pll.ref_div;
1460 regs->ppll_div_3 = fb_div | (post_div->bitvalue << 16);
1462 RTRACE("post div = 0x%x\n", post_div->bitvalue);
1463 RTRACE("fb_div = 0x%x\n", fb_div);
1464 RTRACE("ppll_div_3 = 0x%x\n", regs->ppll_div_3);
1467 static int radeonfb_set_par(struct fb_info *info)
1469 struct radeonfb_info *rinfo = info->par;
1470 struct fb_var_screeninfo *mode = &info->var;
1471 struct radeon_regs *newmode;
1472 int hTotal, vTotal, hSyncStart, hSyncEnd,
1473 hSyncPol, vSyncStart, vSyncEnd, vSyncPol, cSync;
1474 u8 hsync_adj_tab[] = {0, 0x12, 9, 9, 6, 5};
1475 u8 hsync_fudge_fp[] = {2, 2, 0, 0, 5, 5};
1476 u32 sync, h_sync_pol, v_sync_pol, dotClock, pixClock;
1480 int hsync_start, hsync_fudge, bytpp, hsync_wid, vsync_wid;
1481 int primary_mon = PRIMARY_MONITOR(rinfo);
1482 int depth = var_to_depth(mode);
1485 newmode = kmalloc(sizeof(struct radeon_regs), GFP_KERNEL);
1489 /* We always want engine to be idle on a mode switch, even
1490 * if we won't actually change the mode
1492 radeon_engine_idle();
1494 hSyncStart = mode->xres + mode->right_margin;
1495 hSyncEnd = hSyncStart + mode->hsync_len;
1496 hTotal = hSyncEnd + mode->left_margin;
1498 vSyncStart = mode->yres + mode->lower_margin;
1499 vSyncEnd = vSyncStart + mode->vsync_len;
1500 vTotal = vSyncEnd + mode->upper_margin;
1501 pixClock = mode->pixclock;
1504 h_sync_pol = sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
1505 v_sync_pol = sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
1507 if (primary_mon == MT_DFP || primary_mon == MT_LCD) {
1508 if (rinfo->panel_info.xres < mode->xres)
1509 mode->xres = rinfo->panel_info.xres;
1510 if (rinfo->panel_info.yres < mode->yres)
1511 mode->yres = rinfo->panel_info.yres;
1513 hTotal = mode->xres + rinfo->panel_info.hblank;
1514 hSyncStart = mode->xres + rinfo->panel_info.hOver_plus;
1515 hSyncEnd = hSyncStart + rinfo->panel_info.hSync_width;
1517 vTotal = mode->yres + rinfo->panel_info.vblank;
1518 vSyncStart = mode->yres + rinfo->panel_info.vOver_plus;
1519 vSyncEnd = vSyncStart + rinfo->panel_info.vSync_width;
1521 h_sync_pol = !rinfo->panel_info.hAct_high;
1522 v_sync_pol = !rinfo->panel_info.vAct_high;
1524 pixClock = 100000000 / rinfo->panel_info.clock;
1526 if (rinfo->panel_info.use_bios_dividers) {
1528 newmode->ppll_div_3 = rinfo->panel_info.fbk_divider |
1529 (rinfo->panel_info.post_divider << 16);
1530 newmode->ppll_ref_div = rinfo->panel_info.ref_divider;
1533 dotClock = 1000000000 / pixClock;
1534 freq = dotClock / 10; /* x100 */
1536 RTRACE("hStart = %d, hEnd = %d, hTotal = %d\n",
1537 hSyncStart, hSyncEnd, hTotal);
1538 RTRACE("vStart = %d, vEnd = %d, vTotal = %d\n",
1539 vSyncStart, vSyncEnd, vTotal);
1541 hsync_wid = (hSyncEnd - hSyncStart) / 8;
1542 vsync_wid = vSyncEnd - vSyncStart;
1545 else if (hsync_wid > 0x3f) /* max */
1550 else if (vsync_wid > 0x1f) /* max */
1553 hSyncPol = mode->sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
1554 vSyncPol = mode->sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
1556 cSync = mode->sync & FB_SYNC_COMP_HIGH_ACT ? (1 << 4) : 0;
1558 format = radeon_get_dstbpp(depth);
1559 bytpp = mode->bits_per_pixel >> 3;
1561 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD))
1562 hsync_fudge = hsync_fudge_fp[format-1];
1564 hsync_fudge = hsync_adj_tab[format-1];
1566 hsync_start = hSyncStart - 8 + hsync_fudge;
1568 newmode->crtc_gen_cntl = CRTC_EXT_DISP_EN | CRTC_EN |
1571 /* Clear auto-center etc... */
1572 newmode->crtc_more_cntl = rinfo->init_state.crtc_more_cntl;
1573 newmode->crtc_more_cntl &= 0xfffffff0;
1575 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
1576 newmode->crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN;
1578 newmode->crtc_ext_cntl |= CRTC_CRT_ON;
1580 newmode->crtc_gen_cntl &= ~(CRTC_DBL_SCAN_EN |
1583 newmode->crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN |
1587 newmode->dac_cntl = /* INREG(DAC_CNTL) | */ DAC_MASK_ALL | DAC_VGA_ADR_EN |
1590 newmode->crtc_h_total_disp = ((((hTotal / 8) - 1) & 0x3ff) |
1591 (((mode->xres / 8) - 1) << 16));
1593 newmode->crtc_h_sync_strt_wid = ((hsync_start & 0x1fff) |
1594 (hsync_wid << 16) | (h_sync_pol << 23));
1596 newmode->crtc_v_total_disp = ((vTotal - 1) & 0xffff) |
1597 ((mode->yres - 1) << 16);
1599 newmode->crtc_v_sync_strt_wid = (((vSyncStart - 1) & 0xfff) |
1600 (vsync_wid << 16) | (v_sync_pol << 23));
1602 if (!(info->flags & FBINFO_HWACCEL_DISABLED)) {
1603 /* We first calculate the engine pitch */
1604 rinfo->pitch = ((mode->xres_virtual * ((mode->bits_per_pixel + 1) / 8) + 0x3f)
1607 /* Then, re-multiply it to get the CRTC pitch */
1608 newmode->crtc_pitch = (rinfo->pitch << 3) / ((mode->bits_per_pixel + 1) / 8);
1610 newmode->crtc_pitch = (mode->xres_virtual >> 3);
1612 newmode->crtc_pitch |= (newmode->crtc_pitch << 16);
1615 * It looks like recent chips have a problem with SURFACE_CNTL,
1616 * setting SURF_TRANSLATION_DIS completely disables the
1617 * swapper as well, so we leave it unset now.
1619 newmode->surface_cntl = 0;
1621 #if defined(__BIG_ENDIAN)
1623 /* Setup swapping on both apertures, though we currently
1624 * only use aperture 0, enabling swapper on aperture 1
1627 switch (mode->bits_per_pixel) {
1629 newmode->surface_cntl |= NONSURF_AP0_SWP_16BPP;
1630 newmode->surface_cntl |= NONSURF_AP1_SWP_16BPP;
1634 newmode->surface_cntl |= NONSURF_AP0_SWP_32BPP;
1635 newmode->surface_cntl |= NONSURF_AP1_SWP_32BPP;
1640 /* Clear surface registers */
1641 for (i=0; i<8; i++) {
1642 newmode->surf_lower_bound[i] = 0;
1643 newmode->surf_upper_bound[i] = 0x1f;
1644 newmode->surf_info[i] = 0;
1647 RTRACE("h_total_disp = 0x%x\t hsync_strt_wid = 0x%x\n",
1648 newmode->crtc_h_total_disp, newmode->crtc_h_sync_strt_wid);
1649 RTRACE("v_total_disp = 0x%x\t vsync_strt_wid = 0x%x\n",
1650 newmode->crtc_v_total_disp, newmode->crtc_v_sync_strt_wid);
1652 rinfo->bpp = mode->bits_per_pixel;
1653 rinfo->depth = depth;
1655 RTRACE("pixclock = %lu\n", (unsigned long)pixClock);
1656 RTRACE("freq = %lu\n", (unsigned long)freq);
1658 /* We use PPLL_DIV_3 */
1659 newmode->clk_cntl_index = 0x300;
1661 /* Calculate PPLL value if necessary */
1663 radeon_calc_pll_regs(rinfo, newmode, freq);
1665 newmode->vclk_ecp_cntl = rinfo->init_state.vclk_ecp_cntl;
1667 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
1668 unsigned int hRatio, vRatio;
1670 if (mode->xres > rinfo->panel_info.xres)
1671 mode->xres = rinfo->panel_info.xres;
1672 if (mode->yres > rinfo->panel_info.yres)
1673 mode->yres = rinfo->panel_info.yres;
1675 newmode->fp_horz_stretch = (((rinfo->panel_info.xres / 8) - 1)
1676 << HORZ_PANEL_SHIFT);
1677 newmode->fp_vert_stretch = ((rinfo->panel_info.yres - 1)
1678 << VERT_PANEL_SHIFT);
1680 if (mode->xres != rinfo->panel_info.xres) {
1681 hRatio = round_div(mode->xres * HORZ_STRETCH_RATIO_MAX,
1682 rinfo->panel_info.xres);
1683 newmode->fp_horz_stretch = (((((unsigned long)hRatio) & HORZ_STRETCH_RATIO_MASK)) |
1684 (newmode->fp_horz_stretch &
1685 (HORZ_PANEL_SIZE | HORZ_FP_LOOP_STRETCH |
1686 HORZ_AUTO_RATIO_INC)));
1687 newmode->fp_horz_stretch |= (HORZ_STRETCH_BLEND |
1688 HORZ_STRETCH_ENABLE);
1691 newmode->fp_horz_stretch &= ~HORZ_AUTO_RATIO;
1693 if (mode->yres != rinfo->panel_info.yres) {
1694 vRatio = round_div(mode->yres * VERT_STRETCH_RATIO_MAX,
1695 rinfo->panel_info.yres);
1696 newmode->fp_vert_stretch = (((((unsigned long)vRatio) & VERT_STRETCH_RATIO_MASK)) |
1697 (newmode->fp_vert_stretch &
1698 (VERT_PANEL_SIZE | VERT_STRETCH_RESERVED)));
1699 newmode->fp_vert_stretch |= (VERT_STRETCH_BLEND |
1700 VERT_STRETCH_ENABLE);
1703 newmode->fp_vert_stretch &= ~VERT_AUTO_RATIO_EN;
1705 newmode->fp_gen_cntl = (rinfo->init_state.fp_gen_cntl & (u32)
1707 FP_RMX_HVSYNC_CONTROL_EN |
1712 FP_CRTC_USE_SHADOW_VEND |
1715 newmode->fp_gen_cntl |= (FP_CRTC_DONT_SHADOW_VPAR |
1716 FP_CRTC_DONT_SHADOW_HEND |
1719 if (IS_R300_VARIANT(rinfo) ||
1720 (rinfo->family == CHIP_FAMILY_R200)) {
1721 newmode->fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
1723 newmode->fp_gen_cntl |= R200_FP_SOURCE_SEL_RMX;
1725 newmode->fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC1;
1727 newmode->fp_gen_cntl |= FP_SEL_CRTC1;
1729 newmode->lvds_gen_cntl = rinfo->init_state.lvds_gen_cntl;
1730 newmode->lvds_pll_cntl = rinfo->init_state.lvds_pll_cntl;
1731 newmode->tmds_crc = rinfo->init_state.tmds_crc;
1732 newmode->tmds_transmitter_cntl = rinfo->init_state.tmds_transmitter_cntl;
1734 if (primary_mon == MT_LCD) {
1735 newmode->lvds_gen_cntl |= (LVDS_ON | LVDS_BLON);
1736 newmode->fp_gen_cntl &= ~(FP_FPON | FP_TMDS_EN);
1739 newmode->fp_gen_cntl |= (FP_FPON | FP_TMDS_EN);
1740 newmode->tmds_transmitter_cntl = (TMDS_RAN_PAT_RST | TMDS_ICHCSEL) &
1742 /* TMDS_PLL_EN bit is reversed on RV (and mobility) chips */
1743 if (IS_R300_VARIANT(rinfo) ||
1744 (rinfo->family == CHIP_FAMILY_R200) || !rinfo->has_CRTC2)
1745 newmode->tmds_transmitter_cntl &= ~TMDS_PLL_EN;
1747 newmode->tmds_transmitter_cntl |= TMDS_PLL_EN;
1748 newmode->crtc_ext_cntl &= ~CRTC_CRT_ON;
1751 newmode->fp_crtc_h_total_disp = (((rinfo->panel_info.hblank / 8) & 0x3ff) |
1752 (((mode->xres / 8) - 1) << 16));
1753 newmode->fp_crtc_v_total_disp = (rinfo->panel_info.vblank & 0xffff) |
1754 ((mode->yres - 1) << 16);
1755 newmode->fp_h_sync_strt_wid = ((rinfo->panel_info.hOver_plus & 0x1fff) |
1756 (hsync_wid << 16) | (h_sync_pol << 23));
1757 newmode->fp_v_sync_strt_wid = ((rinfo->panel_info.vOver_plus & 0xfff) |
1758 (vsync_wid << 16) | (v_sync_pol << 23));
1762 if (!rinfo->asleep) {
1763 memcpy(&rinfo->state, newmode, sizeof(*newmode));
1764 radeon_write_mode (rinfo, newmode, 0);
1765 /* (re)initialize the engine */
1766 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
1767 radeonfb_engine_init (rinfo);
1770 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
1771 info->fix.line_length = rinfo->pitch*64;
1773 info->fix.line_length = mode->xres_virtual
1774 * ((mode->bits_per_pixel + 1) / 8);
1775 info->fix.visual = rinfo->depth == 8 ? FB_VISUAL_PSEUDOCOLOR
1776 : FB_VISUAL_DIRECTCOLOR;
1778 #ifdef CONFIG_BOOTX_TEXT
1779 /* Update debug text engine */
1780 btext_update_display(rinfo->fb_base_phys, mode->xres, mode->yres,
1781 rinfo->depth, info->fix.line_length);
1789 static struct fb_ops radeonfb_ops = {
1790 .owner = THIS_MODULE,
1791 .fb_check_var = radeonfb_check_var,
1792 .fb_set_par = radeonfb_set_par,
1793 .fb_setcolreg = radeonfb_setcolreg,
1794 .fb_pan_display = radeonfb_pan_display,
1795 .fb_blank = radeonfb_blank,
1796 .fb_ioctl = radeonfb_ioctl,
1797 .fb_sync = radeonfb_sync,
1798 .fb_fillrect = radeonfb_fillrect,
1799 .fb_copyarea = radeonfb_copyarea,
1800 .fb_imageblit = radeonfb_imageblit,
1801 .fb_cursor = soft_cursor,
1805 static int __devinit radeon_set_fbinfo (struct radeonfb_info *rinfo)
1807 struct fb_info *info = rinfo->info;
1810 info->pseudo_palette = rinfo->pseudo_palette;
1811 info->flags = FBINFO_DEFAULT
1812 | FBINFO_HWACCEL_COPYAREA
1813 | FBINFO_HWACCEL_FILLRECT
1814 | FBINFO_HWACCEL_XPAN
1815 | FBINFO_HWACCEL_YPAN;
1816 info->fbops = &radeonfb_ops;
1817 info->screen_base = rinfo->fb_base;
1818 info->screen_size = rinfo->mapped_vram;
1819 /* Fill fix common fields */
1820 strlcpy(info->fix.id, rinfo->name, sizeof(info->fix.id));
1821 info->fix.smem_start = rinfo->fb_base_phys;
1822 info->fix.smem_len = rinfo->video_ram;
1823 info->fix.type = FB_TYPE_PACKED_PIXELS;
1824 info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
1825 info->fix.xpanstep = 8;
1826 info->fix.ypanstep = 1;
1827 info->fix.ywrapstep = 0;
1828 info->fix.type_aux = 0;
1829 info->fix.mmio_start = rinfo->mmio_base_phys;
1830 info->fix.mmio_len = RADEON_REGSIZE;
1831 info->fix.accel = FB_ACCEL_ATI_RADEON;
1833 fb_alloc_cmap(&info->cmap, 256, 0);
1836 info->flags |= FBINFO_HWACCEL_DISABLED;
1842 #ifdef CONFIG_PMAC_BACKLIGHT
1844 /* TODO: Dbl check these tables, we don't go up to full ON backlight
1845 * in these, possibly because we noticed MacOS doesn't, but I'd prefer
1846 * having some more official numbers from ATI
1848 static int backlight_conv_m6[] = {
1849 0xff, 0xc0, 0xb5, 0xaa, 0x9f, 0x94, 0x89, 0x7e,
1850 0x73, 0x68, 0x5d, 0x52, 0x47, 0x3c, 0x31, 0x24
1852 static int backlight_conv_m7[] = {
1853 0x00, 0x3f, 0x4a, 0x55, 0x60, 0x6b, 0x76, 0x81,
1854 0x8c, 0x97, 0xa2, 0xad, 0xb8, 0xc3, 0xce, 0xd9
1857 #define BACKLIGHT_LVDS_OFF
1858 #undef BACKLIGHT_DAC_OFF
1860 /* We turn off the LCD completely instead of just dimming the backlight.
1861 * This provides some greater power saving and the display is useless
1862 * without backlight anyway.
1864 static int radeon_set_backlight_enable(int on, int level, void *data)
1866 struct radeonfb_info *rinfo = (struct radeonfb_info *)data;
1867 u32 lvds_gen_cntl, tmpPixclksCntl;
1870 if (rinfo->mon1_type != MT_LCD)
1873 /* Pardon me for that hack... maybe some day we can figure
1874 * out in what direction backlight should work on a given
1877 if ((rinfo->family == CHIP_FAMILY_RV200 ||
1878 rinfo->family == CHIP_FAMILY_RV250 ||
1879 rinfo->family == CHIP_FAMILY_RV280 ||
1880 rinfo->family == CHIP_FAMILY_RV350) &&
1881 !machine_is_compatible("PowerBook4,3") &&
1882 !machine_is_compatible("PowerBook6,3") &&
1883 !machine_is_compatible("PowerBook6,5"))
1884 conv_table = backlight_conv_m7;
1886 conv_table = backlight_conv_m6;
1888 del_timer_sync(&rinfo->lvds_timer);
1889 radeon_engine_idle();
1891 lvds_gen_cntl = INREG(LVDS_GEN_CNTL);
1892 if (on && (level > BACKLIGHT_OFF)) {
1893 lvds_gen_cntl &= ~LVDS_DISPLAY_DIS;
1894 if (!(lvds_gen_cntl & LVDS_BLON) || !(lvds_gen_cntl & LVDS_ON)) {
1895 lvds_gen_cntl |= (rinfo->init_state.lvds_gen_cntl & LVDS_DIGON);
1896 lvds_gen_cntl |= LVDS_BLON | LVDS_EN;
1897 OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
1898 lvds_gen_cntl &= ~LVDS_BL_MOD_LEVEL_MASK;
1899 lvds_gen_cntl |= (conv_table[level] <<
1900 LVDS_BL_MOD_LEVEL_SHIFT);
1901 lvds_gen_cntl |= LVDS_ON;
1902 lvds_gen_cntl |= (rinfo->init_state.lvds_gen_cntl & LVDS_BL_MOD_EN);
1903 rinfo->pending_lvds_gen_cntl = lvds_gen_cntl;
1904 mod_timer(&rinfo->lvds_timer,
1905 jiffies + msecs_to_jiffies(rinfo->panel_info.pwr_delay));
1907 lvds_gen_cntl &= ~LVDS_BL_MOD_LEVEL_MASK;
1908 lvds_gen_cntl |= (conv_table[level] <<
1909 LVDS_BL_MOD_LEVEL_SHIFT);
1910 OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
1912 rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
1913 rinfo->init_state.lvds_gen_cntl |= rinfo->pending_lvds_gen_cntl
1916 /* Asic bug, when turning off LVDS_ON, we have to make sure
1917 RADEON_PIXCLK_LVDS_ALWAYS_ON bit is off
1919 tmpPixclksCntl = INPLL(PIXCLKS_CNTL);
1920 if (rinfo->is_mobility || rinfo->is_IGP)
1921 OUTPLLP(PIXCLKS_CNTL, 0, ~PIXCLK_LVDS_ALWAYS_ONb);
1922 lvds_gen_cntl &= ~(LVDS_BL_MOD_LEVEL_MASK | LVDS_BL_MOD_EN);
1923 lvds_gen_cntl |= (conv_table[0] <<
1924 LVDS_BL_MOD_LEVEL_SHIFT);
1925 lvds_gen_cntl |= LVDS_DISPLAY_DIS;
1926 OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
1928 lvds_gen_cntl &= ~(LVDS_ON | LVDS_EN);
1929 OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
1930 lvds_gen_cntl &= ~(LVDS_DIGON);
1931 rinfo->pending_lvds_gen_cntl = lvds_gen_cntl;
1932 mod_timer(&rinfo->lvds_timer,
1933 jiffies + msecs_to_jiffies(rinfo->panel_info.pwr_delay));
1934 if (rinfo->is_mobility || rinfo->is_IGP)
1935 OUTPLL(PIXCLKS_CNTL, tmpPixclksCntl);
1937 rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
1938 rinfo->init_state.lvds_gen_cntl |= (lvds_gen_cntl & LVDS_STATE_MASK);
1944 static int radeon_set_backlight_level(int level, void *data)
1946 return radeon_set_backlight_enable(1, level, data);
1948 #endif /* CONFIG_PMAC_BACKLIGHT */
1952 * This reconfigure the card's internal memory map. In theory, we'd like
1953 * to setup the card's memory at the same address as it's PCI bus address,
1954 * and the AGP aperture right after that so that system RAM on 32 bits
1955 * machines at least, is directly accessible. However, doing so would
1956 * conflict with the current XFree drivers...
1957 * Ultimately, I hope XFree, GATOS and ATI binary drivers will all agree
1958 * on the proper way to set this up and duplicate this here. In the meantime,
1959 * I put the card's memory at 0 in card space and AGP at some random high
1960 * local (0xe0000000 for now) that will be changed by XFree/DRI anyway
1962 #ifdef CONFIG_PPC_OF
1963 #undef SET_MC_FB_FROM_APERTURE
1964 static void fixup_memory_mappings(struct radeonfb_info *rinfo)
1966 u32 save_crtc_gen_cntl, save_crtc2_gen_cntl = 0;
1967 u32 save_crtc_ext_cntl;
1968 u32 aper_base, aper_size;
1971 /* First, we disable display to avoid interfering */
1972 if (rinfo->has_CRTC2) {
1973 save_crtc2_gen_cntl = INREG(CRTC2_GEN_CNTL);
1974 OUTREG(CRTC2_GEN_CNTL, save_crtc2_gen_cntl | CRTC2_DISP_REQ_EN_B);
1976 save_crtc_gen_cntl = INREG(CRTC_GEN_CNTL);
1977 save_crtc_ext_cntl = INREG(CRTC_EXT_CNTL);
1979 OUTREG(CRTC_EXT_CNTL, save_crtc_ext_cntl | CRTC_DISPLAY_DIS);
1980 OUTREG(CRTC_GEN_CNTL, save_crtc_gen_cntl | CRTC_DISP_REQ_EN_B);
1983 aper_base = INREG(CONFIG_APER_0_BASE);
1984 aper_size = INREG(CONFIG_APER_SIZE);
1986 #ifdef SET_MC_FB_FROM_APERTURE
1987 /* Set framebuffer to be at the same address as set in PCI BAR */
1988 OUTREG(MC_FB_LOCATION,
1989 ((aper_base + aper_size - 1) & 0xffff0000) | (aper_base >> 16));
1990 rinfo->fb_local_base = aper_base;
1992 OUTREG(MC_FB_LOCATION, 0x7fff0000);
1993 rinfo->fb_local_base = 0;
1995 agp_base = aper_base + aper_size;
1996 if (agp_base & 0xf0000000)
1997 agp_base = (aper_base | 0x0fffffff) + 1;
1999 /* Set AGP to be just after the framebuffer on a 256Mb boundary. This
2000 * assumes the FB isn't mapped to 0xf0000000 or above, but this is
2001 * always the case on PPCs afaik.
2003 #ifdef SET_MC_FB_FROM_APERTURE
2004 OUTREG(MC_AGP_LOCATION, 0xffff0000 | (agp_base >> 16));
2006 OUTREG(MC_AGP_LOCATION, 0xffffe000);
2009 /* Fixup the display base addresses & engine offsets while we
2012 #ifdef SET_MC_FB_FROM_APERTURE
2013 OUTREG(DISPLAY_BASE_ADDR, aper_base);
2014 if (rinfo->has_CRTC2)
2015 OUTREG(CRTC2_DISPLAY_BASE_ADDR, aper_base);
2016 OUTREG(OV0_BASE_ADDR, aper_base);
2018 OUTREG(DISPLAY_BASE_ADDR, 0);
2019 if (rinfo->has_CRTC2)
2020 OUTREG(CRTC2_DISPLAY_BASE_ADDR, 0);
2021 OUTREG(OV0_BASE_ADDR, 0);
2025 /* Restore display settings */
2026 OUTREG(CRTC_GEN_CNTL, save_crtc_gen_cntl);
2027 OUTREG(CRTC_EXT_CNTL, save_crtc_ext_cntl);
2028 if (rinfo->has_CRTC2)
2029 OUTREG(CRTC2_GEN_CNTL, save_crtc2_gen_cntl);
2031 RTRACE("aper_base: %08x MC_FB_LOC to: %08x, MC_AGP_LOC to: %08x\n",
2033 ((aper_base + aper_size - 1) & 0xffff0000) | (aper_base >> 16),
2034 0xffff0000 | (agp_base >> 16));
2036 #endif /* CONFIG_PPC_OF */
2039 static void radeon_identify_vram(struct radeonfb_info *rinfo)
2043 /* framebuffer size */
2044 if ((rinfo->family == CHIP_FAMILY_RS100) ||
2045 (rinfo->family == CHIP_FAMILY_RS200) ||
2046 (rinfo->family == CHIP_FAMILY_RS300)) {
2047 u32 tom = INREG(NB_TOM);
2048 tmp = ((((tom >> 16) - (tom & 0xffff) + 1) << 6) * 1024);
2050 radeon_fifo_wait(6);
2051 OUTREG(MC_FB_LOCATION, tom);
2052 OUTREG(DISPLAY_BASE_ADDR, (tom & 0xffff) << 16);
2053 OUTREG(CRTC2_DISPLAY_BASE_ADDR, (tom & 0xffff) << 16);
2054 OUTREG(OV0_BASE_ADDR, (tom & 0xffff) << 16);
2056 /* This is supposed to fix the crtc2 noise problem. */
2057 OUTREG(GRPH2_BUFFER_CNTL, INREG(GRPH2_BUFFER_CNTL) & ~0x7f0000);
2059 if ((rinfo->family == CHIP_FAMILY_RS100) ||
2060 (rinfo->family == CHIP_FAMILY_RS200)) {
2061 /* This is to workaround the asic bug for RMX, some versions
2062 of BIOS dosen't have this register initialized correctly.
2064 OUTREGP(CRTC_MORE_CNTL, CRTC_H_CUTOFF_ACTIVE_EN,
2065 ~CRTC_H_CUTOFF_ACTIVE_EN);
2068 tmp = INREG(CONFIG_MEMSIZE);
2071 /* mem size is bits [28:0], mask off the rest */
2072 rinfo->video_ram = tmp & CONFIG_MEMSIZE_MASK;
2075 * Hack to get around some busted production M6's
2078 if (rinfo->video_ram == 0) {
2079 switch (rinfo->pdev->device) {
2080 case PCI_CHIP_RADEON_LY:
2081 case PCI_CHIP_RADEON_LZ:
2082 rinfo->video_ram = 8192 * 1024;
2091 * Now try to identify VRAM type
2093 if (rinfo->is_IGP || (rinfo->family >= CHIP_FAMILY_R300) ||
2094 (INREG(MEM_SDRAM_MODE_REG) & (1<<30)))
2095 rinfo->vram_ddr = 1;
2097 rinfo->vram_ddr = 0;
2099 tmp = INREG(MEM_CNTL);
2100 if (IS_R300_VARIANT(rinfo)) {
2101 tmp &= R300_MEM_NUM_CHANNELS_MASK;
2103 case 0: rinfo->vram_width = 64; break;
2104 case 1: rinfo->vram_width = 128; break;
2105 case 2: rinfo->vram_width = 256; break;
2106 default: rinfo->vram_width = 128; break;
2108 } else if ((rinfo->family == CHIP_FAMILY_RV100) ||
2109 (rinfo->family == CHIP_FAMILY_RS100) ||
2110 (rinfo->family == CHIP_FAMILY_RS200)){
2111 if (tmp & RV100_MEM_HALF_MODE)
2112 rinfo->vram_width = 32;
2114 rinfo->vram_width = 64;
2116 if (tmp & MEM_NUM_CHANNELS_MASK)
2117 rinfo->vram_width = 128;
2119 rinfo->vram_width = 64;
2122 /* This may not be correct, as some cards can have half of channel disabled
2123 * ToDo: identify these cases
2126 RTRACE("radeonfb (%s): Found %ldk of %s %d bits wide videoram\n",
2127 pci_name(rinfo->pdev),
2128 rinfo->video_ram / 1024,
2129 rinfo->vram_ddr ? "DDR" : "SDRAM",
2137 static ssize_t radeon_show_one_edid(char *buf, loff_t off, size_t count, const u8 *edid)
2139 if (off > EDID_LENGTH)
2142 if (off + count > EDID_LENGTH)
2143 count = EDID_LENGTH - off;
2145 memcpy(buf, edid + off, count);
2151 static ssize_t radeon_show_edid1(struct kobject *kobj, char *buf, loff_t off, size_t count)
2153 struct device *dev = container_of(kobj, struct device, kobj);
2154 struct pci_dev *pdev = to_pci_dev(dev);
2155 struct fb_info *info = pci_get_drvdata(pdev);
2156 struct radeonfb_info *rinfo = info->par;
2158 return radeon_show_one_edid(buf, off, count, rinfo->mon1_EDID);
2162 static ssize_t radeon_show_edid2(struct kobject *kobj, char *buf, loff_t off, size_t count)
2164 struct device *dev = container_of(kobj, struct device, kobj);
2165 struct pci_dev *pdev = to_pci_dev(dev);
2166 struct fb_info *info = pci_get_drvdata(pdev);
2167 struct radeonfb_info *rinfo = info->par;
2169 return radeon_show_one_edid(buf, off, count, rinfo->mon2_EDID);
2172 static struct bin_attribute edid1_attr = {
2175 .owner = THIS_MODULE,
2178 .size = EDID_LENGTH,
2179 .read = radeon_show_edid1,
2182 static struct bin_attribute edid2_attr = {
2185 .owner = THIS_MODULE,
2188 .size = EDID_LENGTH,
2189 .read = radeon_show_edid2,
2193 static int radeonfb_pci_register (struct pci_dev *pdev,
2194 const struct pci_device_id *ent)
2196 struct fb_info *info;
2197 struct radeonfb_info *rinfo;
2200 RTRACE("radeonfb_pci_register BEGIN\n");
2202 /* Enable device in PCI config */
2203 ret = pci_enable_device(pdev);
2205 printk(KERN_ERR "radeonfb (%s): Cannot enable PCI device\n",
2210 info = framebuffer_alloc(sizeof(struct radeonfb_info), &pdev->dev);
2212 printk (KERN_ERR "radeonfb (%s): could not allocate memory\n",
2221 spin_lock_init(&rinfo->reg_lock);
2222 init_timer(&rinfo->lvds_timer);
2223 rinfo->lvds_timer.function = radeon_lvds_timer_func;
2224 rinfo->lvds_timer.data = (unsigned long)rinfo;
2226 strcpy(rinfo->name, "ATI Radeon XX ");
2227 rinfo->name[11] = ent->device >> 8;
2228 rinfo->name[12] = ent->device & 0xFF;
2229 rinfo->family = ent->driver_data & CHIP_FAMILY_MASK;
2230 rinfo->chipset = pdev->device;
2231 rinfo->has_CRTC2 = (ent->driver_data & CHIP_HAS_CRTC2) != 0;
2232 rinfo->is_mobility = (ent->driver_data & CHIP_IS_MOBILITY) != 0;
2233 rinfo->is_IGP = (ent->driver_data & CHIP_IS_IGP) != 0;
2235 /* Set base addrs */
2236 rinfo->fb_base_phys = pci_resource_start (pdev, 0);
2237 rinfo->mmio_base_phys = pci_resource_start (pdev, 2);
2239 /* request the mem regions */
2240 ret = pci_request_regions(pdev, "radeonfb");
2242 printk( KERN_ERR "radeonfb (%s): cannot reserve PCI regions."
2243 " Someone already got them?\n", pci_name(rinfo->pdev));
2244 goto err_release_fb;
2247 /* map the regions */
2248 rinfo->mmio_base = ioremap(rinfo->mmio_base_phys, RADEON_REGSIZE);
2249 if (!rinfo->mmio_base) {
2250 printk(KERN_ERR "radeonfb (%s): cannot map MMIO\n", pci_name(rinfo->pdev));
2252 goto err_release_pci;
2255 rinfo->fb_local_base = INREG(MC_FB_LOCATION) << 16;
2257 #ifdef CONFIG_PPC_OF
2258 /* On PPC, we obtain the OF device-node pointer to the firmware
2259 * data for this chip
2261 rinfo->of_node = pci_device_to_OF_node(pdev);
2262 if (rinfo->of_node == NULL)
2263 printk(KERN_WARNING "radeonfb (%s): Cannot match card to OF node !\n",
2264 pci_name(rinfo->pdev));
2266 /* On PPC, the firmware sets up a memory mapping that tends
2267 * to cause lockups when enabling the engine. We reconfigure
2268 * the card internal memory mappings properly
2270 fixup_memory_mappings(rinfo);
2271 #endif /* CONFIG_PPC_OF */
2273 /* Get VRAM size and type */
2274 radeon_identify_vram(rinfo);
2276 rinfo->mapped_vram = min_t(unsigned long, MAX_MAPPED_VRAM, rinfo->video_ram);
2279 rinfo->fb_base = ioremap (rinfo->fb_base_phys,
2280 rinfo->mapped_vram);
2281 } while ( rinfo->fb_base == 0 &&
2282 ((rinfo->mapped_vram /=2) >= MIN_MAPPED_VRAM) );
2285 memset_io(rinfo->fb_base, 0, rinfo->mapped_vram);
2287 printk (KERN_ERR "radeonfb (%s): cannot map FB\n", pci_name(rinfo->pdev));
2292 RTRACE("radeonfb (%s): mapped %ldk videoram\n", pci_name(rinfo->pdev),
2293 rinfo->mapped_vram/1024);
2296 * Check for required workaround for PLL accesses
2298 rinfo->R300_cg_workaround = (rinfo->family == CHIP_FAMILY_R300 &&
2299 (INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK)
2300 == CFG_ATI_REV_A11);
2303 * Map the BIOS ROM if any and retreive PLL parameters from
2304 * the BIOS. We skip that on mobility chips as the real panel
2305 * values we need aren't in the ROM but in the BIOS image in
2306 * memory. This is definitely not the best meacnism though,
2307 * we really need the arch code to tell us which is the "primary"
2308 * video adapter to use the memory image (or better, the arch
2309 * should provide us a copy of the BIOS image to shield us from
2310 * archs who would store that elsewhere and/or could initialize
2311 * more than one adapter during boot).
2313 if (!rinfo->is_mobility)
2314 radeon_map_ROM(rinfo, pdev);
2317 * On x86, the primary display on laptop may have it's BIOS
2318 * ROM elsewhere, try to locate it at the legacy memory hole.
2319 * We probably need to make sure this is the primary display,
2320 * but that is difficult without some arch support.
2323 if (rinfo->bios_seg == NULL)
2324 radeon_find_mem_vbios(rinfo);
2327 /* If both above failed, try the BIOS ROM again for mobility
2330 if (rinfo->bios_seg == NULL && rinfo->is_mobility)
2331 radeon_map_ROM(rinfo, pdev);
2333 /* Get informations about the board's PLL */
2334 radeon_get_pllinfo(rinfo);
2336 #ifdef CONFIG_FB_RADEON_I2C
2337 /* Register I2C bus */
2338 radeon_create_i2c_busses(rinfo);
2341 /* set all the vital stuff */
2342 radeon_set_fbinfo (rinfo);
2344 /* Probe screen types */
2345 radeon_probe_screens(rinfo, monitor_layout, ignore_edid);
2347 /* Build mode list, check out panel native model */
2348 radeon_check_modes(rinfo, mode_option);
2350 /* Register some sysfs stuff (should be done better) */
2351 if (rinfo->mon1_EDID)
2352 sysfs_create_bin_file(&rinfo->pdev->dev.kobj, &edid1_attr);
2353 if (rinfo->mon2_EDID)
2354 sysfs_create_bin_file(&rinfo->pdev->dev.kobj, &edid2_attr);
2356 /* save current mode regs before we switch into the new one
2357 * so we can restore this upon __exit
2359 radeon_save_state (rinfo, &rinfo->init_state);
2360 memcpy(&rinfo->state, &rinfo->init_state, sizeof(struct radeon_regs));
2362 pci_set_drvdata(pdev, info);
2364 /* Register with fbdev layer */
2365 ret = register_framebuffer(info);
2367 printk (KERN_ERR "radeonfb (%s): could not register framebuffer\n",
2368 pci_name(rinfo->pdev));
2372 /* Setup Power Management capabilities */
2373 if (default_dynclk < -1) {
2374 /* -2 is special: means ON on mobility chips and do not change on others */
2375 radeonfb_pm_init(rinfo, rinfo->is_mobility ? 1 : -1);
2377 radeonfb_pm_init(rinfo, default_dynclk);
2380 rinfo->mtrr_hdl = nomtrr ? -1 : mtrr_add(rinfo->fb_base_phys,
2382 MTRR_TYPE_WRCOMB, 1);
2385 #ifdef CONFIG_PMAC_BACKLIGHT
2386 if (rinfo->mon1_type == MT_LCD) {
2387 register_backlight_controller(&radeon_backlight_controller,
2389 register_backlight_controller(&radeon_backlight_controller,
2394 printk ("radeonfb (%s): %s\n", pci_name(rinfo->pdev), rinfo->name);
2396 if (rinfo->bios_seg)
2397 radeon_unmap_ROM(rinfo, pdev);
2398 RTRACE("radeonfb_pci_register END\n");
2402 iounmap(rinfo->fb_base);
2404 if (rinfo->mon1_EDID)
2405 kfree(rinfo->mon1_EDID);
2406 if (rinfo->mon2_EDID)
2407 kfree(rinfo->mon2_EDID);
2408 if (rinfo->mon1_modedb)
2409 fb_destroy_modedb(rinfo->mon1_modedb);
2410 fb_dealloc_cmap(&info->cmap);
2411 #ifdef CONFIG_FB_RADEON_I2C
2412 radeon_delete_i2c_busses(rinfo);
2414 if (rinfo->bios_seg)
2415 radeon_unmap_ROM(rinfo, pdev);
2416 iounmap(rinfo->mmio_base);
2418 pci_release_regions(pdev);
2420 framebuffer_release(info);
2422 pci_disable_device(pdev);
2429 static void __devexit radeonfb_pci_unregister (struct pci_dev *pdev)
2431 struct fb_info *info = pci_get_drvdata(pdev);
2432 struct radeonfb_info *rinfo = info->par;
2437 radeonfb_pm_exit(rinfo);
2440 /* restore original state
2442 * Doesn't quite work yet, I suspect if we come from a legacy
2443 * VGA mode (or worse, text mode), we need to do some VGA black
2444 * magic here that I know nothing about. --BenH
2446 radeon_write_mode (rinfo, &rinfo->init_state, 1);
2449 del_timer_sync(&rinfo->lvds_timer);
2452 if (rinfo->mtrr_hdl >= 0)
2453 mtrr_del(rinfo->mtrr_hdl, 0, 0);
2456 unregister_framebuffer(info);
2458 iounmap(rinfo->mmio_base);
2459 iounmap(rinfo->fb_base);
2461 pci_release_regions(pdev);
2463 if (rinfo->mon1_EDID)
2464 kfree(rinfo->mon1_EDID);
2465 if (rinfo->mon2_EDID)
2466 kfree(rinfo->mon2_EDID);
2467 if (rinfo->mon1_modedb)
2468 fb_destroy_modedb(rinfo->mon1_modedb);
2469 #ifdef CONFIG_FB_RADEON_I2C
2470 radeon_delete_i2c_busses(rinfo);
2472 fb_dealloc_cmap(&info->cmap);
2473 framebuffer_release(info);
2474 pci_disable_device(pdev);
2478 static struct pci_driver radeonfb_driver = {
2480 .id_table = radeonfb_pci_table,
2481 .probe = radeonfb_pci_register,
2482 .remove = __devexit_p(radeonfb_pci_unregister),
2484 .suspend = radeonfb_pci_suspend,
2485 .resume = radeonfb_pci_resume,
2486 #endif /* CONFIG_PM */
2489 int __init radeonfb_setup (char *options);
2491 int __init radeonfb_init (void)
2494 char *option = NULL;
2496 if (fb_get_options("radeonfb", &option))
2498 radeonfb_setup(option);
2500 return pci_module_init (&radeonfb_driver);
2504 void __exit radeonfb_exit (void)
2506 pci_unregister_driver (&radeonfb_driver);
2509 int __init radeonfb_setup (char *options)
2513 if (!options || !*options)
2516 while ((this_opt = strsep (&options, ",")) != NULL) {
2520 if (!strncmp(this_opt, "noaccel", 7)) {
2522 } else if (!strncmp(this_opt, "mirror", 6)) {
2524 } else if (!strncmp(this_opt, "force_dfp", 9)) {
2526 } else if (!strncmp(this_opt, "panel_yres:", 11)) {
2527 panel_yres = simple_strtoul((this_opt+11), NULL, 0);
2529 } else if (!strncmp(this_opt, "nomtrr", 6)) {
2532 } else if (!strncmp(this_opt, "nomodeset", 9)) {
2534 } else if (!strncmp(this_opt, "force_measure_pll", 17)) {
2535 force_measure_pll = 1;
2536 } else if (!strncmp(this_opt, "ignore_edid", 11)) {
2539 mode_option = this_opt;
2544 module_init(radeonfb_init);
2547 module_exit(radeonfb_exit);
2550 MODULE_AUTHOR("Ani Joshi");
2551 MODULE_DESCRIPTION("framebuffer driver for ATI Radeon chipset");
2552 MODULE_LICENSE("GPL");
2553 module_param(noaccel, bool, 0);
2554 module_param(default_dynclk, int, 0);
2555 MODULE_PARM_DESC(default_dynclk, "int: -2=enable on mobility only,-1=do not change,0=off,1=on");
2556 MODULE_PARM_DESC(noaccel, "bool: disable acceleration");
2557 module_param(nomodeset, bool, 0);
2558 MODULE_PARM_DESC(nomodeset, "bool: disable actual setting of video mode");
2559 module_param(mirror, bool, 0);
2560 MODULE_PARM_DESC(mirror, "bool: mirror the display to both monitors");
2561 module_param(force_dfp, bool, 0);
2562 MODULE_PARM_DESC(force_dfp, "bool: force display to dfp");
2563 module_param(ignore_edid, bool, 0);
2564 MODULE_PARM_DESC(ignore_edid, "bool: Ignore EDID data when doing DDC probe");
2565 module_param(monitor_layout, charp, 0);
2566 MODULE_PARM_DESC(monitor_layout, "Specify monitor mapping (like XFree86)");
2567 module_param(force_measure_pll, bool, 0);
2568 MODULE_PARM_DESC(force_measure_pll, "Force measurement of PLL (debug)");
2570 module_param(nomtrr, bool, 0);
2571 MODULE_PARM_DESC(nomtrr, "bool: disable use of MTRR registers");
2573 module_param(panel_yres, int, 0);
2574 MODULE_PARM_DESC(panel_yres, "int: set panel yres");
2575 module_param(mode_option, charp, 0);
2576 MODULE_PARM_DESC(mode_option, "Specify resolution as \"<xres>x<yres>[-<bpp>][@<refresh>]\" ");