2 * drivers/video/aty/radeon_base.c
4 * framebuffer driver for ATI Radeon chipset video boards
6 * Copyright 2003 Ben. Herrenschmidt <benh@kernel.crashing.org>
7 * Copyright 2000 Ani Joshi <ajoshi@kernel.crashing.org>
9 * i2c bits from Luca Tettamanti <kronos@kronoz.cjb.net>
11 * Special thanks to ATI DevRel team for their hardware donations.
13 * ...Insert GPL boilerplate here...
15 * Significant portions of this driver apdated from XFree86 Radeon
16 * driver which has the following copyright notice:
18 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
19 * VA Linux Systems Inc., Fremont, California.
21 * All Rights Reserved.
23 * Permission is hereby granted, free of charge, to any person obtaining
24 * a copy of this software and associated documentation files (the
25 * "Software"), to deal in the Software without restriction, including
26 * without limitation on the rights to use, copy, modify, merge,
27 * publish, distribute, sublicense, and/or sell copies of the Software,
28 * and to permit persons to whom the Software is furnished to do so,
29 * subject to the following conditions:
31 * The above copyright notice and this permission notice (including the
32 * next paragraph) shall be included in all copies or substantial
33 * portions of the Software.
35 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
36 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
37 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
38 * NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
39 * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
40 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
41 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
42 * DEALINGS IN THE SOFTWARE.
44 * XFree86 driver authors:
46 * Kevin E. Martin <martin@xfree86.org>
47 * Rickard E. Faith <faith@valinux.com>
48 * Alan Hourihane <alanh@fairlite.demon.co.uk>
53 #define RADEON_VERSION "0.2.0"
55 #include <linux/config.h>
56 #include <linux/module.h>
57 #include <linux/moduleparam.h>
58 #include <linux/kernel.h>
59 #include <linux/errno.h>
60 #include <linux/string.h>
62 #include <linux/tty.h>
63 #include <linux/slab.h>
64 #include <linux/delay.h>
65 #include <linux/time.h>
67 #include <linux/ioport.h>
68 #include <linux/init.h>
69 #include <linux/pci.h>
70 #include <linux/vmalloc.h>
71 #include <linux/device.h>
74 #include <asm/uaccess.h>
78 #include <asm/pci-bridge.h>
79 #include "../macmodes.h"
81 #ifdef CONFIG_PMAC_BACKLIGHT
82 #include <asm/backlight.h>
85 #ifdef CONFIG_BOOTX_TEXT
86 #include <asm/btext.h>
89 #endif /* CONFIG_PPC_OF */
95 #include <video/radeon.h>
96 #include <linux/radeonfb.h>
98 #include "../edid.h" // MOVE THAT TO include/video
100 #include "radeonfb.h"
102 #define MAX_MAPPED_VRAM (2048*2048*4)
103 #define MIN_MAPPED_VRAM (1024*768*1)
105 #define CHIP_DEF(id, family, flags) \
106 { PCI_VENDOR_ID_ATI, id, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (flags) | (CHIP_FAMILY_##family) }
108 static struct pci_device_id radeonfb_pci_table[] = {
110 CHIP_DEF(PCI_CHIP_RADEON_LY, RV100, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
111 CHIP_DEF(PCI_CHIP_RADEON_LZ, RV100, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
113 CHIP_DEF(PCI_CHIP_RV100_QY, RV100, CHIP_HAS_CRTC2),
114 CHIP_DEF(PCI_CHIP_RV100_QZ, RV100, CHIP_HAS_CRTC2),
115 CHIP_DEF(PCI_CHIP_RN50, RV100, CHIP_HAS_CRTC2),
116 /* Radeon IGP320M (U1) */
117 CHIP_DEF(PCI_CHIP_RS100_4336, RS100, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
118 /* Radeon IGP320 (A3) */
119 CHIP_DEF(PCI_CHIP_RS100_4136, RS100, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
120 /* IGP330M/340M/350M (U2) */
121 CHIP_DEF(PCI_CHIP_RS200_4337, RS200, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
122 /* IGP330/340/350 (A4) */
123 CHIP_DEF(PCI_CHIP_RS200_4137, RS200, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
124 /* Mobility 7000 IGP */
125 CHIP_DEF(PCI_CHIP_RS250_4437, RS200, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
127 CHIP_DEF(PCI_CHIP_RS250_4237, RS200, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
129 CHIP_DEF(PCI_CHIP_R200_BB, R200, CHIP_HAS_CRTC2),
130 CHIP_DEF(PCI_CHIP_R200_BC, R200, CHIP_HAS_CRTC2),
132 CHIP_DEF(PCI_CHIP_R200_QH, R200, CHIP_HAS_CRTC2),
134 CHIP_DEF(PCI_CHIP_R200_QL, R200, CHIP_HAS_CRTC2),
136 CHIP_DEF(PCI_CHIP_R200_QM, R200, CHIP_HAS_CRTC2),
138 CHIP_DEF(PCI_CHIP_RADEON_LW, RV200, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
139 CHIP_DEF(PCI_CHIP_RADEON_LX, RV200, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
141 CHIP_DEF(PCI_CHIP_RV200_QW, RV200, CHIP_HAS_CRTC2),
142 CHIP_DEF(PCI_CHIP_RV200_QX, RV200, CHIP_HAS_CRTC2),
144 CHIP_DEF(PCI_CHIP_RV250_Ld, RV250, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
145 CHIP_DEF(PCI_CHIP_RV250_Le, RV250, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
146 CHIP_DEF(PCI_CHIP_RV250_Lf, RV250, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
147 CHIP_DEF(PCI_CHIP_RV250_Lg, RV250, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
149 CHIP_DEF(PCI_CHIP_RV250_If, RV250, CHIP_HAS_CRTC2),
150 CHIP_DEF(PCI_CHIP_RV250_Ig, RV250, CHIP_HAS_CRTC2),
151 /* Mobility 9100 IGP (U3) */
152 CHIP_DEF(PCI_CHIP_RS300_5835, RS300, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
153 CHIP_DEF(PCI_CHIP_RS350_7835, RS300, CHIP_HAS_CRTC2 | CHIP_IS_IGP | CHIP_IS_MOBILITY),
155 CHIP_DEF(PCI_CHIP_RS300_5834, RS300, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
156 CHIP_DEF(PCI_CHIP_RS350_7834, RS300, CHIP_HAS_CRTC2 | CHIP_IS_IGP),
157 /* Mobility 9200 (M9+) */
158 CHIP_DEF(PCI_CHIP_RV280_5C61, RV280, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
159 CHIP_DEF(PCI_CHIP_RV280_5C63, RV280, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
161 CHIP_DEF(PCI_CHIP_RV280_5960, RV280, CHIP_HAS_CRTC2),
162 CHIP_DEF(PCI_CHIP_RV280_5961, RV280, CHIP_HAS_CRTC2),
163 CHIP_DEF(PCI_CHIP_RV280_5962, RV280, CHIP_HAS_CRTC2),
164 CHIP_DEF(PCI_CHIP_RV280_5964, RV280, CHIP_HAS_CRTC2),
166 CHIP_DEF(PCI_CHIP_R300_AD, R300, CHIP_HAS_CRTC2),
167 CHIP_DEF(PCI_CHIP_R300_AE, R300, CHIP_HAS_CRTC2),
168 /* 9600TX / FireGL Z1 */
169 CHIP_DEF(PCI_CHIP_R300_AF, R300, CHIP_HAS_CRTC2),
170 CHIP_DEF(PCI_CHIP_R300_AG, R300, CHIP_HAS_CRTC2),
171 /* 9700/9500/Pro/FireGL X1 */
172 CHIP_DEF(PCI_CHIP_R300_ND, R300, CHIP_HAS_CRTC2),
173 CHIP_DEF(PCI_CHIP_R300_NE, R300, CHIP_HAS_CRTC2),
174 CHIP_DEF(PCI_CHIP_R300_NF, R300, CHIP_HAS_CRTC2),
175 CHIP_DEF(PCI_CHIP_R300_NG, R300, CHIP_HAS_CRTC2),
176 /* Mobility M10/M11 */
177 CHIP_DEF(PCI_CHIP_RV350_NP, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
178 CHIP_DEF(PCI_CHIP_RV350_NQ, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
179 CHIP_DEF(PCI_CHIP_RV350_NR, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
180 CHIP_DEF(PCI_CHIP_RV350_NS, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
181 CHIP_DEF(PCI_CHIP_RV350_NT, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
182 CHIP_DEF(PCI_CHIP_RV350_NV, RV350, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
184 CHIP_DEF(PCI_CHIP_RV350_AP, RV350, CHIP_HAS_CRTC2),
185 CHIP_DEF(PCI_CHIP_RV350_AQ, RV350, CHIP_HAS_CRTC2),
186 CHIP_DEF(PCI_CHIP_RV360_AR, RV350, CHIP_HAS_CRTC2),
187 CHIP_DEF(PCI_CHIP_RV350_AS, RV350, CHIP_HAS_CRTC2),
188 CHIP_DEF(PCI_CHIP_RV350_AT, RV350, CHIP_HAS_CRTC2),
189 CHIP_DEF(PCI_CHIP_RV350_AV, RV350, CHIP_HAS_CRTC2),
190 /* 9800/Pro/FileGL X2 */
191 CHIP_DEF(PCI_CHIP_R350_AH, R350, CHIP_HAS_CRTC2),
192 CHIP_DEF(PCI_CHIP_R350_AI, R350, CHIP_HAS_CRTC2),
193 CHIP_DEF(PCI_CHIP_R350_AJ, R350, CHIP_HAS_CRTC2),
194 CHIP_DEF(PCI_CHIP_R350_AK, R350, CHIP_HAS_CRTC2),
195 CHIP_DEF(PCI_CHIP_R350_NH, R350, CHIP_HAS_CRTC2),
196 CHIP_DEF(PCI_CHIP_R350_NI, R350, CHIP_HAS_CRTC2),
197 CHIP_DEF(PCI_CHIP_R360_NJ, R350, CHIP_HAS_CRTC2),
198 CHIP_DEF(PCI_CHIP_R350_NK, R350, CHIP_HAS_CRTC2),
200 CHIP_DEF(PCI_CHIP_RV380_3E50, RV380, CHIP_HAS_CRTC2),
201 CHIP_DEF(PCI_CHIP_RV380_3E54, RV380, CHIP_HAS_CRTC2),
202 CHIP_DEF(PCI_CHIP_RV380_3150, RV380, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
203 CHIP_DEF(PCI_CHIP_RV380_3154, RV380, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
204 CHIP_DEF(PCI_CHIP_RV370_5B60, RV380, CHIP_HAS_CRTC2),
205 CHIP_DEF(PCI_CHIP_RV370_5B62, RV380, CHIP_HAS_CRTC2),
206 CHIP_DEF(PCI_CHIP_RV370_5B64, RV380, CHIP_HAS_CRTC2),
207 CHIP_DEF(PCI_CHIP_RV370_5B65, RV380, CHIP_HAS_CRTC2),
208 CHIP_DEF(PCI_CHIP_RV370_5460, RV380, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
209 CHIP_DEF(PCI_CHIP_RV370_5464, RV380, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
210 CHIP_DEF(PCI_CHIP_R420_JH, R420, CHIP_HAS_CRTC2),
211 CHIP_DEF(PCI_CHIP_R420_JI, R420, CHIP_HAS_CRTC2),
212 CHIP_DEF(PCI_CHIP_R420_JJ, R420, CHIP_HAS_CRTC2),
213 CHIP_DEF(PCI_CHIP_R420_JK, R420, CHIP_HAS_CRTC2),
214 CHIP_DEF(PCI_CHIP_R420_JL, R420, CHIP_HAS_CRTC2),
215 CHIP_DEF(PCI_CHIP_R420_JM, R420, CHIP_HAS_CRTC2),
216 CHIP_DEF(PCI_CHIP_R420_JN, R420, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
217 CHIP_DEF(PCI_CHIP_R420_JP, R420, CHIP_HAS_CRTC2),
218 CHIP_DEF(PCI_CHIP_R423_UH, R420, CHIP_HAS_CRTC2),
219 CHIP_DEF(PCI_CHIP_R423_UI, R420, CHIP_HAS_CRTC2),
220 CHIP_DEF(PCI_CHIP_R423_UJ, R420, CHIP_HAS_CRTC2),
221 CHIP_DEF(PCI_CHIP_R423_UK, R420, CHIP_HAS_CRTC2),
222 CHIP_DEF(PCI_CHIP_R423_UQ, R420, CHIP_HAS_CRTC2),
223 CHIP_DEF(PCI_CHIP_R423_UR, R420, CHIP_HAS_CRTC2),
224 CHIP_DEF(PCI_CHIP_R423_UT, R420, CHIP_HAS_CRTC2),
225 CHIP_DEF(PCI_CHIP_R423_5D57, R420, CHIP_HAS_CRTC2),
226 /* Original Radeon/7200 */
227 CHIP_DEF(PCI_CHIP_RADEON_QD, RADEON, 0),
228 CHIP_DEF(PCI_CHIP_RADEON_QE, RADEON, 0),
229 CHIP_DEF(PCI_CHIP_RADEON_QF, RADEON, 0),
230 CHIP_DEF(PCI_CHIP_RADEON_QG, RADEON, 0),
233 MODULE_DEVICE_TABLE(pci, radeonfb_pci_table);
242 /* these common regs are cleared before mode setting so they do not
243 * interfere with anything
245 static reg_val common_regs[] = {
247 { OVR_WID_LEFT_RIGHT, 0 },
248 { OVR_WID_TOP_BOTTOM, 0 },
249 { OV0_SCALE_CNTL, 0 },
254 { CAP0_TRIG_CNTL, 0 },
255 { CAP1_TRIG_CNTL, 0 },
262 static char *mode_option;
263 static char *monitor_layout;
264 static int noaccel = 0;
265 static int default_dynclk = -2;
266 static int nomodeset = 0;
267 static int ignore_edid = 0;
268 static int mirror = 0;
269 static int panel_yres = 0;
270 static int force_dfp = 0;
271 static int force_measure_pll = 0;
273 static int nomtrr = 0;
283 #ifdef CONFIG_PMAC_BACKLIGHT
284 static int radeon_set_backlight_enable(int on, int level, void *data);
285 static int radeon_set_backlight_level(int level, void *data);
286 static struct backlight_controller radeon_backlight_controller = {
287 radeon_set_backlight_enable,
288 radeon_set_backlight_level
290 #endif /* CONFIG_PMAC_BACKLIGHT */
292 #endif /* CONFIG_PPC_OF */
294 static void radeon_unmap_ROM(struct radeonfb_info *rinfo, struct pci_dev *dev)
296 if (!rinfo->bios_seg)
298 pci_unmap_rom(dev, rinfo->bios_seg);
301 static int __devinit radeon_map_ROM(struct radeonfb_info *rinfo, struct pci_dev *dev)
308 /* If this is a primary card, there is a shadow copy of the
309 * ROM somewhere in the first meg. We will just ignore the copy
310 * and use the ROM directly.
313 /* Fix from ATI for problem with Radeon hardware not leaving ROM enabled */
315 temp = INREG(MPP_TB_CONFIG);
318 OUTREG(MPP_TB_CONFIG, temp);
319 temp = INREG(MPP_TB_CONFIG);
321 rom = pci_map_rom(dev, &rom_size);
323 printk(KERN_ERR "radeonfb (%s): ROM failed to map\n",
324 pci_name(rinfo->pdev));
328 rinfo->bios_seg = rom;
330 /* Very simple test to make sure it appeared */
331 if (BIOS_IN16(0) != 0xaa55) {
332 printk(KERN_DEBUG "radeonfb (%s): Invalid ROM signature %x "
333 "should be 0xaa55\n",
334 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 = INREG16(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;
534 radeon_pll_errata_after_index(rinfo);
536 n = (INPLL(PPLL_DIV_0 + ppll_div_sel) & 0x7ff);
537 m = (INPLL(PPLL_REF_DIV) & 0x3ff);
542 switch ((INPLL(PPLL_DIV_0 + ppll_div_sel) >> 16) & 0x7) {
564 do_div(vclk, 1000 * num);
567 if ((xtal > 26900) && (xtal < 27100))
569 else if ((xtal > 14200) && (xtal < 14400))
571 else if ((xtal > 29400) && (xtal < 29600))
574 printk(KERN_WARNING "xtal calculation failed: %ld\n", xtal);
578 tmp = INPLL(M_SPLL_REF_FB_DIV);
579 ref_div = INPLL(PPLL_REF_DIV) & 0x3ff;
581 Ns = (tmp & 0xff0000) >> 16;
582 Nm = (tmp & 0xff00) >> 8;
584 sclk = round_div((2 * Ns * xtal), (2 * M));
585 mclk = round_div((2 * Nm * xtal), (2 * M));
587 /* we're done, hopefully these are sane values */
588 rinfo->pll.ref_clk = xtal;
589 rinfo->pll.ref_div = ref_div;
590 rinfo->pll.sclk = sclk;
591 rinfo->pll.mclk = mclk;
597 * Retrieve PLL infos by different means (BIOS, Open Firmware, register probing...)
599 static void __devinit radeon_get_pllinfo(struct radeonfb_info *rinfo)
602 * In the case nothing works, these are defaults; they are mostly
603 * incomplete, however. It does provide ppll_max and _min values
604 * even for most other methods, however.
606 switch (rinfo->chipset) {
607 case PCI_DEVICE_ID_ATI_RADEON_QW:
608 case PCI_DEVICE_ID_ATI_RADEON_QX:
609 rinfo->pll.ppll_max = 35000;
610 rinfo->pll.ppll_min = 12000;
611 rinfo->pll.mclk = 23000;
612 rinfo->pll.sclk = 23000;
613 rinfo->pll.ref_clk = 2700;
615 case PCI_DEVICE_ID_ATI_RADEON_QL:
616 case PCI_DEVICE_ID_ATI_RADEON_QN:
617 case PCI_DEVICE_ID_ATI_RADEON_QO:
618 case PCI_DEVICE_ID_ATI_RADEON_Ql:
619 case PCI_DEVICE_ID_ATI_RADEON_BB:
620 rinfo->pll.ppll_max = 35000;
621 rinfo->pll.ppll_min = 12000;
622 rinfo->pll.mclk = 27500;
623 rinfo->pll.sclk = 27500;
624 rinfo->pll.ref_clk = 2700;
626 case PCI_DEVICE_ID_ATI_RADEON_Id:
627 case PCI_DEVICE_ID_ATI_RADEON_Ie:
628 case PCI_DEVICE_ID_ATI_RADEON_If:
629 case PCI_DEVICE_ID_ATI_RADEON_Ig:
630 rinfo->pll.ppll_max = 35000;
631 rinfo->pll.ppll_min = 12000;
632 rinfo->pll.mclk = 25000;
633 rinfo->pll.sclk = 25000;
634 rinfo->pll.ref_clk = 2700;
636 case PCI_DEVICE_ID_ATI_RADEON_ND:
637 case PCI_DEVICE_ID_ATI_RADEON_NE:
638 case PCI_DEVICE_ID_ATI_RADEON_NF:
639 case PCI_DEVICE_ID_ATI_RADEON_NG:
640 rinfo->pll.ppll_max = 40000;
641 rinfo->pll.ppll_min = 20000;
642 rinfo->pll.mclk = 27000;
643 rinfo->pll.sclk = 27000;
644 rinfo->pll.ref_clk = 2700;
646 case PCI_DEVICE_ID_ATI_RADEON_QD:
647 case PCI_DEVICE_ID_ATI_RADEON_QE:
648 case PCI_DEVICE_ID_ATI_RADEON_QF:
649 case PCI_DEVICE_ID_ATI_RADEON_QG:
651 rinfo->pll.ppll_max = 35000;
652 rinfo->pll.ppll_min = 12000;
653 rinfo->pll.mclk = 16600;
654 rinfo->pll.sclk = 16600;
655 rinfo->pll.ref_clk = 2700;
658 rinfo->pll.ref_div = INPLL(PPLL_REF_DIV) & PPLL_REF_DIV_MASK;
663 * Retrieve PLL infos from Open Firmware first
665 if (!force_measure_pll && radeon_read_xtal_OF(rinfo) == 0) {
666 printk(KERN_INFO "radeonfb: Retrieved PLL infos from Open Firmware\n");
669 #endif /* CONFIG_PPC_OF */
672 * Check out if we have an X86 which gave us some PLL informations
673 * and if yes, retrieve them
675 if (!force_measure_pll && rinfo->bios_seg) {
676 u16 pll_info_block = BIOS_IN16(rinfo->fp_bios_start + 0x30);
678 rinfo->pll.sclk = BIOS_IN16(pll_info_block + 0x08);
679 rinfo->pll.mclk = BIOS_IN16(pll_info_block + 0x0a);
680 rinfo->pll.ref_clk = BIOS_IN16(pll_info_block + 0x0e);
681 rinfo->pll.ref_div = BIOS_IN16(pll_info_block + 0x10);
682 rinfo->pll.ppll_min = BIOS_IN32(pll_info_block + 0x12);
683 rinfo->pll.ppll_max = BIOS_IN32(pll_info_block + 0x16);
685 printk(KERN_INFO "radeonfb: Retrieved PLL infos from BIOS\n");
690 * We didn't get PLL parameters from either OF or BIOS, we try to
693 if (radeon_probe_pll_params(rinfo) == 0) {
694 printk(KERN_INFO "radeonfb: Retrieved PLL infos from registers\n");
699 * Fall back to already-set defaults...
701 printk(KERN_INFO "radeonfb: Used default PLL infos\n");
705 * Some methods fail to retrieve SCLK and MCLK values, we apply default
706 * settings in this case (200Mhz). If that really happne often, we could
707 * fetch from registers instead...
709 if (rinfo->pll.mclk == 0)
710 rinfo->pll.mclk = 20000;
711 if (rinfo->pll.sclk == 0)
712 rinfo->pll.sclk = 20000;
714 printk("radeonfb: Reference=%d.%02d MHz (RefDiv=%d) Memory=%d.%02d Mhz, System=%d.%02d MHz\n",
715 rinfo->pll.ref_clk / 100, rinfo->pll.ref_clk % 100,
717 rinfo->pll.mclk / 100, rinfo->pll.mclk % 100,
718 rinfo->pll.sclk / 100, rinfo->pll.sclk % 100);
719 printk("radeonfb: PLL min %d max %d\n", rinfo->pll.ppll_min, rinfo->pll.ppll_max);
722 static int radeonfb_check_var (struct fb_var_screeninfo *var, struct fb_info *info)
724 struct radeonfb_info *rinfo = info->par;
725 struct fb_var_screeninfo v;
729 if (radeon_match_mode(rinfo, &v, var))
732 switch (v.bits_per_pixel) {
734 v.bits_per_pixel = 8;
737 v.bits_per_pixel = 16;
740 #if 0 /* Doesn't seem to work */
741 v.bits_per_pixel = 24;
746 v.bits_per_pixel = 32;
752 switch (var_to_depth(&v)) {
755 v.red.offset = v.green.offset = v.blue.offset = 0;
756 v.red.length = v.green.length = v.blue.length = 8;
757 v.transp.offset = v.transp.length = 0;
765 v.red.length = v.green.length = v.blue.length = 5;
766 v.transp.offset = v.transp.length = 0;
777 v.transp.offset = v.transp.length = 0;
785 v.red.length = v.blue.length = v.green.length = 8;
786 v.transp.offset = v.transp.length = 0;
794 v.red.length = v.blue.length = v.green.length = 8;
795 v.transp.offset = 24;
799 printk ("radeonfb: mode %dx%dx%d rejected, color depth invalid\n",
800 var->xres, var->yres, var->bits_per_pixel);
804 if (v.yres_virtual < v.yres)
805 v.yres_virtual = v.yres;
806 if (v.xres_virtual < v.xres)
807 v.xres_virtual = v.xres;
810 /* XXX I'm adjusting xres_virtual to the pitch, that may help XFree
811 * with some panels, though I don't quite like this solution
813 if (rinfo->info->flags & FBINFO_HWACCEL_DISABLED) {
814 v.xres_virtual = v.xres_virtual & ~7ul;
816 pitch = ((v.xres_virtual * ((v.bits_per_pixel + 1) / 8) + 0x3f)
818 v.xres_virtual = (pitch << 6) / ((v.bits_per_pixel + 1) / 8);
821 if (((v.xres_virtual * v.yres_virtual * nom) / den) > rinfo->mapped_vram)
824 if (v.xres_virtual < v.xres)
825 v.xres = v.xres_virtual;
832 if (v.xoffset > v.xres_virtual - v.xres)
833 v.xoffset = v.xres_virtual - v.xres - 1;
835 if (v.yoffset > v.yres_virtual - v.yres)
836 v.yoffset = v.yres_virtual - v.yres - 1;
838 v.red.msb_right = v.green.msb_right = v.blue.msb_right =
839 v.transp.offset = v.transp.length =
840 v.transp.msb_right = 0;
842 memcpy(var, &v, sizeof(v));
848 static int radeonfb_pan_display (struct fb_var_screeninfo *var,
849 struct fb_info *info)
851 struct radeonfb_info *rinfo = info->par;
853 if ((var->xoffset + var->xres > var->xres_virtual)
854 || (var->yoffset + var->yres > var->yres_virtual))
861 OUTREG(CRTC_OFFSET, ((var->yoffset * var->xres_virtual + var->xoffset)
862 * var->bits_per_pixel / 8) & ~7);
867 static int radeonfb_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
868 unsigned long arg, struct fb_info *info)
870 struct radeonfb_info *rinfo = info->par;
877 * TODO: set mirror accordingly for non-Mobility chipsets with 2 CRTC's
878 * and do something better using 2nd CRTC instead of just hackish
879 * routing to second output
881 case FBIO_RADEON_SET_MIRROR:
882 if (!rinfo->is_mobility)
885 rc = get_user(value, (__u32 __user *)arg);
892 tmp = INREG(LVDS_GEN_CNTL);
894 tmp |= (LVDS_ON | LVDS_BLON);
896 tmp = INREG(LVDS_GEN_CNTL);
898 tmp &= ~(LVDS_ON | LVDS_BLON);
901 OUTREG(LVDS_GEN_CNTL, tmp);
904 tmp = INREG(CRTC_EXT_CNTL);
909 tmp = INREG(CRTC_EXT_CNTL);
915 OUTREG(CRTC_EXT_CNTL, tmp);
918 case FBIO_RADEON_GET_MIRROR:
919 if (!rinfo->is_mobility)
922 tmp = INREG(LVDS_GEN_CNTL);
923 if ((LVDS_ON | LVDS_BLON) & tmp)
926 tmp = INREG(CRTC_EXT_CNTL);
927 if (CRTC_CRT_ON & tmp)
930 return put_user(value, (__u32 __user *)arg);
939 int radeon_screen_blank(struct radeonfb_info *rinfo, int blank, int mode_switch)
945 if (rinfo->lock_blank)
948 radeon_engine_idle();
950 val = INREG(CRTC_EXT_CNTL);
951 val &= ~(CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS |
954 case FB_BLANK_VSYNC_SUSPEND:
955 val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS);
957 case FB_BLANK_HSYNC_SUSPEND:
958 val |= (CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS);
960 case FB_BLANK_POWERDOWN:
961 val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS |
964 case FB_BLANK_NORMAL:
965 val |= CRTC_DISPLAY_DIS;
967 case FB_BLANK_UNBLANK:
971 OUTREG(CRTC_EXT_CNTL, val);
974 switch (rinfo->mon1_type) {
977 OUTREGP(FP_GEN_CNTL, (FP_FPON | FP_TMDS_EN),
978 ~(FP_FPON | FP_TMDS_EN));
980 if (mode_switch || blank == FB_BLANK_NORMAL)
982 OUTREGP(FP_GEN_CNTL, 0, ~(FP_FPON | FP_TMDS_EN));
986 del_timer_sync(&rinfo->lvds_timer);
987 val = INREG(LVDS_GEN_CNTL);
989 u32 target_val = (val & ~LVDS_DISPLAY_DIS) | LVDS_BLON | LVDS_ON
990 | LVDS_EN | (rinfo->init_state.lvds_gen_cntl
991 & (LVDS_DIGON | LVDS_BL_MOD_EN));
992 if ((val ^ target_val) == LVDS_DISPLAY_DIS)
993 OUTREG(LVDS_GEN_CNTL, target_val);
994 else if ((val ^ target_val) != 0) {
995 OUTREG(LVDS_GEN_CNTL, target_val
996 & ~(LVDS_ON | LVDS_BL_MOD_EN));
997 rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
998 rinfo->init_state.lvds_gen_cntl |=
999 target_val & LVDS_STATE_MASK;
1001 radeon_msleep(rinfo->panel_info.pwr_delay);
1002 OUTREG(LVDS_GEN_CNTL, target_val);
1005 rinfo->pending_lvds_gen_cntl = target_val;
1006 mod_timer(&rinfo->lvds_timer,
1008 msecs_to_jiffies(rinfo->panel_info.pwr_delay));
1012 val |= LVDS_DISPLAY_DIS;
1013 OUTREG(LVDS_GEN_CNTL, val);
1015 /* We don't do a full switch-off on a simple mode switch */
1016 if (mode_switch || blank == FB_BLANK_NORMAL)
1019 /* Asic bug, when turning off LVDS_ON, we have to make sure
1020 * RADEON_PIXCLK_LVDS_ALWAYS_ON bit is off
1022 tmp_pix_clks = INPLL(PIXCLKS_CNTL);
1023 if (rinfo->is_mobility || rinfo->is_IGP)
1024 OUTPLLP(PIXCLKS_CNTL, 0, ~PIXCLK_LVDS_ALWAYS_ONb);
1025 val &= ~(LVDS_BL_MOD_EN);
1026 OUTREG(LVDS_GEN_CNTL, val);
1028 val &= ~(LVDS_ON | LVDS_EN);
1029 OUTREG(LVDS_GEN_CNTL, val);
1031 rinfo->pending_lvds_gen_cntl = val;
1032 mod_timer(&rinfo->lvds_timer,
1034 msecs_to_jiffies(rinfo->panel_info.pwr_delay));
1035 rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
1036 rinfo->init_state.lvds_gen_cntl |= val & LVDS_STATE_MASK;
1037 if (rinfo->is_mobility || rinfo->is_IGP)
1038 OUTPLL(PIXCLKS_CNTL, tmp_pix_clks);
1042 // todo: powerdown DAC
1047 /* let fbcon do a soft blank for us */
1048 return (blank == FB_BLANK_NORMAL) ? -EINVAL : 0;
1051 static int radeonfb_blank (int blank, struct fb_info *info)
1053 struct radeonfb_info *rinfo = info->par;
1058 return radeon_screen_blank(rinfo, blank, 0);
1061 static int radeon_setcolreg (unsigned regno, unsigned red, unsigned green,
1062 unsigned blue, unsigned transp,
1063 struct radeonfb_info *rinfo)
1075 rinfo->palette[regno].red = red;
1076 rinfo->palette[regno].green = green;
1077 rinfo->palette[regno].blue = blue;
1082 if (!rinfo->asleep) {
1083 radeon_fifo_wait(9);
1085 if (rinfo->bpp == 16) {
1088 if (rinfo->depth == 16 && regno > 63)
1090 if (rinfo->depth == 15 && regno > 31)
1093 /* For 565, the green component is mixed one order
1096 if (rinfo->depth == 16) {
1097 OUTREG(PALETTE_INDEX, pindex>>1);
1098 OUTREG(PALETTE_DATA,
1099 (rinfo->palette[regno>>1].red << 16) |
1101 (rinfo->palette[regno>>1].blue));
1102 green = rinfo->palette[regno<<1].green;
1106 if (rinfo->depth != 16 || regno < 32) {
1107 OUTREG(PALETTE_INDEX, pindex);
1108 OUTREG(PALETTE_DATA, (red << 16) |
1109 (green << 8) | blue);
1113 u32 *pal = rinfo->info->pseudo_palette;
1114 switch (rinfo->depth) {
1116 pal[regno] = (regno << 10) | (regno << 5) | regno;
1119 pal[regno] = (regno << 11) | (regno << 5) | regno;
1122 pal[regno] = (regno << 16) | (regno << 8) | regno;
1125 i = (regno << 8) | regno;
1126 pal[regno] = (i << 16) | i;
1133 static int radeonfb_setcolreg (unsigned regno, unsigned red, unsigned green,
1134 unsigned blue, unsigned transp,
1135 struct fb_info *info)
1137 struct radeonfb_info *rinfo = info->par;
1138 u32 dac_cntl2, vclk_cntl = 0;
1141 if (!rinfo->asleep) {
1142 if (rinfo->is_mobility) {
1143 vclk_cntl = INPLL(VCLK_ECP_CNTL);
1144 OUTPLL(VCLK_ECP_CNTL,
1145 vclk_cntl & ~PIXCLK_DAC_ALWAYS_ONb);
1148 /* Make sure we are on first palette */
1149 if (rinfo->has_CRTC2) {
1150 dac_cntl2 = INREG(DAC_CNTL2);
1151 dac_cntl2 &= ~DAC2_PALETTE_ACCESS_CNTL;
1152 OUTREG(DAC_CNTL2, dac_cntl2);
1156 rc = radeon_setcolreg (regno, red, green, blue, transp, rinfo);
1158 if (!rinfo->asleep && rinfo->is_mobility)
1159 OUTPLL(VCLK_ECP_CNTL, vclk_cntl);
1164 static int radeonfb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
1166 struct radeonfb_info *rinfo = info->par;
1167 u16 *red, *green, *blue, *transp;
1168 u32 dac_cntl2, vclk_cntl = 0;
1169 int i, start, rc = 0;
1171 if (!rinfo->asleep) {
1172 if (rinfo->is_mobility) {
1173 vclk_cntl = INPLL(VCLK_ECP_CNTL);
1174 OUTPLL(VCLK_ECP_CNTL,
1175 vclk_cntl & ~PIXCLK_DAC_ALWAYS_ONb);
1178 /* Make sure we are on first palette */
1179 if (rinfo->has_CRTC2) {
1180 dac_cntl2 = INREG(DAC_CNTL2);
1181 dac_cntl2 &= ~DAC2_PALETTE_ACCESS_CNTL;
1182 OUTREG(DAC_CNTL2, dac_cntl2);
1187 green = cmap->green;
1189 transp = cmap->transp;
1190 start = cmap->start;
1192 for (i = 0; i < cmap->len; i++) {
1193 u_int hred, hgreen, hblue, htransp = 0xffff;
1199 htransp = *transp++;
1200 rc = radeon_setcolreg (start++, hred, hgreen, hblue, htransp,
1206 if (!rinfo->asleep && rinfo->is_mobility)
1207 OUTPLL(VCLK_ECP_CNTL, vclk_cntl);
1212 static void radeon_save_state (struct radeonfb_info *rinfo,
1213 struct radeon_regs *save)
1216 save->crtc_gen_cntl = INREG(CRTC_GEN_CNTL);
1217 save->crtc_ext_cntl = INREG(CRTC_EXT_CNTL);
1218 save->crtc_more_cntl = INREG(CRTC_MORE_CNTL);
1219 save->dac_cntl = INREG(DAC_CNTL);
1220 save->crtc_h_total_disp = INREG(CRTC_H_TOTAL_DISP);
1221 save->crtc_h_sync_strt_wid = INREG(CRTC_H_SYNC_STRT_WID);
1222 save->crtc_v_total_disp = INREG(CRTC_V_TOTAL_DISP);
1223 save->crtc_v_sync_strt_wid = INREG(CRTC_V_SYNC_STRT_WID);
1224 save->crtc_pitch = INREG(CRTC_PITCH);
1225 save->surface_cntl = INREG(SURFACE_CNTL);
1228 save->fp_crtc_h_total_disp = INREG(FP_CRTC_H_TOTAL_DISP);
1229 save->fp_crtc_v_total_disp = INREG(FP_CRTC_V_TOTAL_DISP);
1230 save->fp_gen_cntl = INREG(FP_GEN_CNTL);
1231 save->fp_h_sync_strt_wid = INREG(FP_H_SYNC_STRT_WID);
1232 save->fp_horz_stretch = INREG(FP_HORZ_STRETCH);
1233 save->fp_v_sync_strt_wid = INREG(FP_V_SYNC_STRT_WID);
1234 save->fp_vert_stretch = INREG(FP_VERT_STRETCH);
1235 save->lvds_gen_cntl = INREG(LVDS_GEN_CNTL);
1236 save->lvds_pll_cntl = INREG(LVDS_PLL_CNTL);
1237 save->tmds_crc = INREG(TMDS_CRC);
1238 save->tmds_transmitter_cntl = INREG(TMDS_TRANSMITTER_CNTL);
1239 save->vclk_ecp_cntl = INPLL(VCLK_ECP_CNTL);
1242 save->clk_cntl_index = INREG(CLOCK_CNTL_INDEX) & ~0x3f;
1243 radeon_pll_errata_after_index(rinfo);
1244 save->ppll_div_3 = INPLL(PPLL_DIV_3);
1245 save->ppll_ref_div = INPLL(PPLL_REF_DIV);
1249 static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_regs *mode)
1253 radeon_fifo_wait(20);
1255 /* Workaround from XFree */
1256 if (rinfo->is_mobility) {
1257 /* A temporal workaround for the occational blanking on certain laptop
1258 * panels. This appears to related to the PLL divider registers
1259 * (fail to lock?). It occurs even when all dividers are the same
1260 * with their old settings. In this case we really don't need to
1261 * fiddle with PLL registers. By doing this we can avoid the blanking
1262 * problem with some panels.
1264 if ((mode->ppll_ref_div == (INPLL(PPLL_REF_DIV) & PPLL_REF_DIV_MASK)) &&
1265 (mode->ppll_div_3 == (INPLL(PPLL_DIV_3) &
1266 (PPLL_POST3_DIV_MASK | PPLL_FB3_DIV_MASK)))) {
1267 /* We still have to force a switch to selected PPLL div thanks to
1268 * an XFree86 driver bug which will switch it away in some cases
1269 * even when using UseFDev */
1270 OUTREGP(CLOCK_CNTL_INDEX,
1271 mode->clk_cntl_index & PPLL_DIV_SEL_MASK,
1272 ~PPLL_DIV_SEL_MASK);
1273 radeon_pll_errata_after_index(rinfo);
1274 radeon_pll_errata_after_data(rinfo);
1279 /* Swich VCKL clock input to CPUCLK so it stays fed while PPLL updates*/
1280 OUTPLLP(VCLK_ECP_CNTL, VCLK_SRC_SEL_CPUCLK, ~VCLK_SRC_SEL_MASK);
1282 /* Reset PPLL & enable atomic update */
1284 PPLL_RESET | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN,
1285 ~(PPLL_RESET | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN));
1287 /* Switch to selected PPLL divider */
1288 OUTREGP(CLOCK_CNTL_INDEX,
1289 mode->clk_cntl_index & PPLL_DIV_SEL_MASK,
1290 ~PPLL_DIV_SEL_MASK);
1291 radeon_pll_errata_after_index(rinfo);
1292 radeon_pll_errata_after_data(rinfo);
1294 /* Set PPLL ref. div */
1295 if (rinfo->family == CHIP_FAMILY_R300 ||
1296 rinfo->family == CHIP_FAMILY_RS300 ||
1297 rinfo->family == CHIP_FAMILY_R350 ||
1298 rinfo->family == CHIP_FAMILY_RV350) {
1299 if (mode->ppll_ref_div & R300_PPLL_REF_DIV_ACC_MASK) {
1300 /* When restoring console mode, use saved PPLL_REF_DIV
1303 OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, 0);
1305 /* R300 uses ref_div_acc field as real ref divider */
1306 OUTPLLP(PPLL_REF_DIV,
1307 (mode->ppll_ref_div << R300_PPLL_REF_DIV_ACC_SHIFT),
1308 ~R300_PPLL_REF_DIV_ACC_MASK);
1311 OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, ~PPLL_REF_DIV_MASK);
1313 /* Set PPLL divider 3 & post divider*/
1314 OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_FB3_DIV_MASK);
1315 OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_POST3_DIV_MASK);
1318 while (INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R)
1320 OUTPLLP(PPLL_REF_DIV, PPLL_ATOMIC_UPDATE_W, ~PPLL_ATOMIC_UPDATE_W);
1322 /* Wait read update complete */
1323 /* FIXME: Certain revisions of R300 can't recover here. Not sure of
1324 the cause yet, but this workaround will mask the problem for now.
1325 Other chips usually will pass at the very first test, so the
1326 workaround shouldn't have any effect on them. */
1327 for (i = 0; (i < 10000 && INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R); i++)
1330 OUTPLL(HTOTAL_CNTL, 0);
1332 /* Clear reset & atomic update */
1333 OUTPLLP(PPLL_CNTL, 0,
1334 ~(PPLL_RESET | PPLL_SLEEP | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN));
1336 /* We may want some locking ... oh well */
1339 /* Switch back VCLK source to PPLL */
1340 OUTPLLP(VCLK_ECP_CNTL, VCLK_SRC_SEL_PPLLCLK, ~VCLK_SRC_SEL_MASK);
1344 * Timer function for delayed LVDS panel power up/down
1346 static void radeon_lvds_timer_func(unsigned long data)
1348 struct radeonfb_info *rinfo = (struct radeonfb_info *)data;
1350 radeon_engine_idle();
1352 OUTREG(LVDS_GEN_CNTL, rinfo->pending_lvds_gen_cntl);
1356 * Apply a video mode. This will apply the whole register set, including
1357 * the PLL registers, to the card
1359 void radeon_write_mode (struct radeonfb_info *rinfo, struct radeon_regs *mode,
1363 int primary_mon = PRIMARY_MONITOR(rinfo);
1369 radeon_screen_blank(rinfo, FB_BLANK_NORMAL, 0);
1371 radeon_fifo_wait(31);
1372 for (i=0; i<10; i++)
1373 OUTREG(common_regs[i].reg, common_regs[i].val);
1375 /* Apply surface registers */
1376 for (i=0; i<8; i++) {
1377 OUTREG(SURFACE0_LOWER_BOUND + 0x10*i, mode->surf_lower_bound[i]);
1378 OUTREG(SURFACE0_UPPER_BOUND + 0x10*i, mode->surf_upper_bound[i]);
1379 OUTREG(SURFACE0_INFO + 0x10*i, mode->surf_info[i]);
1382 OUTREG(CRTC_GEN_CNTL, mode->crtc_gen_cntl);
1383 OUTREGP(CRTC_EXT_CNTL, mode->crtc_ext_cntl,
1384 ~(CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS));
1385 OUTREG(CRTC_MORE_CNTL, mode->crtc_more_cntl);
1386 OUTREGP(DAC_CNTL, mode->dac_cntl, DAC_RANGE_CNTL | DAC_BLANKING);
1387 OUTREG(CRTC_H_TOTAL_DISP, mode->crtc_h_total_disp);
1388 OUTREG(CRTC_H_SYNC_STRT_WID, mode->crtc_h_sync_strt_wid);
1389 OUTREG(CRTC_V_TOTAL_DISP, mode->crtc_v_total_disp);
1390 OUTREG(CRTC_V_SYNC_STRT_WID, mode->crtc_v_sync_strt_wid);
1391 OUTREG(CRTC_OFFSET, 0);
1392 OUTREG(CRTC_OFFSET_CNTL, 0);
1393 OUTREG(CRTC_PITCH, mode->crtc_pitch);
1394 OUTREG(SURFACE_CNTL, mode->surface_cntl);
1396 radeon_write_pll_regs(rinfo, mode);
1398 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
1399 radeon_fifo_wait(10);
1400 OUTREG(FP_CRTC_H_TOTAL_DISP, mode->fp_crtc_h_total_disp);
1401 OUTREG(FP_CRTC_V_TOTAL_DISP, mode->fp_crtc_v_total_disp);
1402 OUTREG(FP_H_SYNC_STRT_WID, mode->fp_h_sync_strt_wid);
1403 OUTREG(FP_V_SYNC_STRT_WID, mode->fp_v_sync_strt_wid);
1404 OUTREG(FP_HORZ_STRETCH, mode->fp_horz_stretch);
1405 OUTREG(FP_VERT_STRETCH, mode->fp_vert_stretch);
1406 OUTREG(FP_GEN_CNTL, mode->fp_gen_cntl);
1407 OUTREG(TMDS_CRC, mode->tmds_crc);
1408 OUTREG(TMDS_TRANSMITTER_CNTL, mode->tmds_transmitter_cntl);
1412 radeon_screen_blank(rinfo, FB_BLANK_UNBLANK, 0);
1414 radeon_fifo_wait(2);
1415 OUTPLL(VCLK_ECP_CNTL, mode->vclk_ecp_cntl);
1421 * Calculate the PLL values for a given mode
1423 static void radeon_calc_pll_regs(struct radeonfb_info *rinfo, struct radeon_regs *regs,
1441 int fb_div, pll_output_freq = 0;
1444 /* Check if the DVO port is enabled and sourced from the primary CRTC. I'm
1445 * not sure which model starts having FP2_GEN_CNTL, I assume anything more
1446 * recent than an r(v)100...
1449 /* XXX I had reports of flicker happening with the cinema display
1450 * on TMDS1 that seem to be fixed if I also forbit odd dividers in
1451 * this case. This could just be a bandwidth calculation issue, I
1452 * haven't implemented the bandwidth code yet, but in the meantime,
1453 * forcing uses_dvo to 1 fixes it and shouln't have bad side effects,
1454 * I haven't seen a case were were absolutely needed an odd PLL
1455 * divider. I'll find a better fix once I have more infos on the
1456 * real cause of the problem.
1458 while (rinfo->has_CRTC2) {
1459 u32 fp2_gen_cntl = INREG(FP2_GEN_CNTL);
1460 u32 disp_output_cntl;
1463 /* FP2 path not enabled */
1464 if ((fp2_gen_cntl & FP2_ON) == 0)
1466 /* Not all chip revs have the same format for this register,
1467 * extract the source selection
1469 if (rinfo->family == CHIP_FAMILY_R200 ||
1470 rinfo->family == CHIP_FAMILY_R300 ||
1471 rinfo->family == CHIP_FAMILY_R350 ||
1472 rinfo->family == CHIP_FAMILY_RV350) {
1473 source = (fp2_gen_cntl >> 10) & 0x3;
1474 /* sourced from transform unit, check for transform unit
1478 disp_output_cntl = INREG(DISP_OUTPUT_CNTL);
1479 source = (disp_output_cntl >> 12) & 0x3;
1482 source = (fp2_gen_cntl >> 13) & 0x1;
1483 /* sourced from CRTC2 -> exit */
1487 /* so we end up on CRTC1, let's set uses_dvo to 1 now */
1494 if (freq > rinfo->pll.ppll_max)
1495 freq = rinfo->pll.ppll_max;
1496 if (freq*12 < rinfo->pll.ppll_min)
1497 freq = rinfo->pll.ppll_min / 12;
1498 RTRACE("freq = %lu, PLL min = %u, PLL max = %u\n",
1499 freq, rinfo->pll.ppll_min, rinfo->pll.ppll_max);
1501 for (post_div = &post_divs[0]; post_div->divider; ++post_div) {
1502 pll_output_freq = post_div->divider * freq;
1503 /* If we output to the DVO port (external TMDS), we don't allow an
1504 * odd PLL divider as those aren't supported on this path
1506 if (uses_dvo && (post_div->divider & 1))
1508 if (pll_output_freq >= rinfo->pll.ppll_min &&
1509 pll_output_freq <= rinfo->pll.ppll_max)
1513 /* If we fall through the bottom, try the "default value"
1514 given by the terminal post_div->bitvalue */
1515 if ( !post_div->divider ) {
1516 post_div = &post_divs[post_div->bitvalue];
1517 pll_output_freq = post_div->divider * freq;
1519 RTRACE("ref_div = %d, ref_clk = %d, output_freq = %d\n",
1520 rinfo->pll.ref_div, rinfo->pll.ref_clk,
1523 /* If we fall through the bottom, try the "default value"
1524 given by the terminal post_div->bitvalue */
1525 if ( !post_div->divider ) {
1526 post_div = &post_divs[post_div->bitvalue];
1527 pll_output_freq = post_div->divider * freq;
1529 RTRACE("ref_div = %d, ref_clk = %d, output_freq = %d\n",
1530 rinfo->pll.ref_div, rinfo->pll.ref_clk,
1533 fb_div = round_div(rinfo->pll.ref_div*pll_output_freq,
1534 rinfo->pll.ref_clk);
1535 regs->ppll_ref_div = rinfo->pll.ref_div;
1536 regs->ppll_div_3 = fb_div | (post_div->bitvalue << 16);
1538 RTRACE("post div = 0x%x\n", post_div->bitvalue);
1539 RTRACE("fb_div = 0x%x\n", fb_div);
1540 RTRACE("ppll_div_3 = 0x%x\n", regs->ppll_div_3);
1543 static int radeonfb_set_par(struct fb_info *info)
1545 struct radeonfb_info *rinfo = info->par;
1546 struct fb_var_screeninfo *mode = &info->var;
1547 struct radeon_regs *newmode;
1548 int hTotal, vTotal, hSyncStart, hSyncEnd,
1549 hSyncPol, vSyncStart, vSyncEnd, vSyncPol, cSync;
1550 u8 hsync_adj_tab[] = {0, 0x12, 9, 9, 6, 5};
1551 u8 hsync_fudge_fp[] = {2, 2, 0, 0, 5, 5};
1552 u32 sync, h_sync_pol, v_sync_pol, dotClock, pixClock;
1556 int hsync_start, hsync_fudge, bytpp, hsync_wid, vsync_wid;
1557 int primary_mon = PRIMARY_MONITOR(rinfo);
1558 int depth = var_to_depth(mode);
1561 newmode = kmalloc(sizeof(struct radeon_regs), GFP_KERNEL);
1565 /* We always want engine to be idle on a mode switch, even
1566 * if we won't actually change the mode
1568 radeon_engine_idle();
1570 hSyncStart = mode->xres + mode->right_margin;
1571 hSyncEnd = hSyncStart + mode->hsync_len;
1572 hTotal = hSyncEnd + mode->left_margin;
1574 vSyncStart = mode->yres + mode->lower_margin;
1575 vSyncEnd = vSyncStart + mode->vsync_len;
1576 vTotal = vSyncEnd + mode->upper_margin;
1577 pixClock = mode->pixclock;
1580 h_sync_pol = sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
1581 v_sync_pol = sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
1583 if (primary_mon == MT_DFP || primary_mon == MT_LCD) {
1584 if (rinfo->panel_info.xres < mode->xres)
1585 mode->xres = rinfo->panel_info.xres;
1586 if (rinfo->panel_info.yres < mode->yres)
1587 mode->yres = rinfo->panel_info.yres;
1589 hTotal = mode->xres + rinfo->panel_info.hblank;
1590 hSyncStart = mode->xres + rinfo->panel_info.hOver_plus;
1591 hSyncEnd = hSyncStart + rinfo->panel_info.hSync_width;
1593 vTotal = mode->yres + rinfo->panel_info.vblank;
1594 vSyncStart = mode->yres + rinfo->panel_info.vOver_plus;
1595 vSyncEnd = vSyncStart + rinfo->panel_info.vSync_width;
1597 h_sync_pol = !rinfo->panel_info.hAct_high;
1598 v_sync_pol = !rinfo->panel_info.vAct_high;
1600 pixClock = 100000000 / rinfo->panel_info.clock;
1602 if (rinfo->panel_info.use_bios_dividers) {
1604 newmode->ppll_div_3 = rinfo->panel_info.fbk_divider |
1605 (rinfo->panel_info.post_divider << 16);
1606 newmode->ppll_ref_div = rinfo->panel_info.ref_divider;
1609 dotClock = 1000000000 / pixClock;
1610 freq = dotClock / 10; /* x100 */
1612 RTRACE("hStart = %d, hEnd = %d, hTotal = %d\n",
1613 hSyncStart, hSyncEnd, hTotal);
1614 RTRACE("vStart = %d, vEnd = %d, vTotal = %d\n",
1615 vSyncStart, vSyncEnd, vTotal);
1617 hsync_wid = (hSyncEnd - hSyncStart) / 8;
1618 vsync_wid = vSyncEnd - vSyncStart;
1621 else if (hsync_wid > 0x3f) /* max */
1626 else if (vsync_wid > 0x1f) /* max */
1629 hSyncPol = mode->sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
1630 vSyncPol = mode->sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
1632 cSync = mode->sync & FB_SYNC_COMP_HIGH_ACT ? (1 << 4) : 0;
1634 format = radeon_get_dstbpp(depth);
1635 bytpp = mode->bits_per_pixel >> 3;
1637 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD))
1638 hsync_fudge = hsync_fudge_fp[format-1];
1640 hsync_fudge = hsync_adj_tab[format-1];
1642 hsync_start = hSyncStart - 8 + hsync_fudge;
1644 newmode->crtc_gen_cntl = CRTC_EXT_DISP_EN | CRTC_EN |
1647 /* Clear auto-center etc... */
1648 newmode->crtc_more_cntl = rinfo->init_state.crtc_more_cntl;
1649 newmode->crtc_more_cntl &= 0xfffffff0;
1651 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
1652 newmode->crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN;
1654 newmode->crtc_ext_cntl |= CRTC_CRT_ON;
1656 newmode->crtc_gen_cntl &= ~(CRTC_DBL_SCAN_EN |
1659 newmode->crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN |
1663 newmode->dac_cntl = /* INREG(DAC_CNTL) | */ DAC_MASK_ALL | DAC_VGA_ADR_EN |
1666 newmode->crtc_h_total_disp = ((((hTotal / 8) - 1) & 0x3ff) |
1667 (((mode->xres / 8) - 1) << 16));
1669 newmode->crtc_h_sync_strt_wid = ((hsync_start & 0x1fff) |
1670 (hsync_wid << 16) | (h_sync_pol << 23));
1672 newmode->crtc_v_total_disp = ((vTotal - 1) & 0xffff) |
1673 ((mode->yres - 1) << 16);
1675 newmode->crtc_v_sync_strt_wid = (((vSyncStart - 1) & 0xfff) |
1676 (vsync_wid << 16) | (v_sync_pol << 23));
1678 if (!(info->flags & FBINFO_HWACCEL_DISABLED)) {
1679 /* We first calculate the engine pitch */
1680 rinfo->pitch = ((mode->xres_virtual * ((mode->bits_per_pixel + 1) / 8) + 0x3f)
1683 /* Then, re-multiply it to get the CRTC pitch */
1684 newmode->crtc_pitch = (rinfo->pitch << 3) / ((mode->bits_per_pixel + 1) / 8);
1686 newmode->crtc_pitch = (mode->xres_virtual >> 3);
1688 newmode->crtc_pitch |= (newmode->crtc_pitch << 16);
1691 * It looks like recent chips have a problem with SURFACE_CNTL,
1692 * setting SURF_TRANSLATION_DIS completely disables the
1693 * swapper as well, so we leave it unset now.
1695 newmode->surface_cntl = 0;
1697 #if defined(__BIG_ENDIAN)
1699 /* Setup swapping on both apertures, though we currently
1700 * only use aperture 0, enabling swapper on aperture 1
1703 switch (mode->bits_per_pixel) {
1705 newmode->surface_cntl |= NONSURF_AP0_SWP_16BPP;
1706 newmode->surface_cntl |= NONSURF_AP1_SWP_16BPP;
1710 newmode->surface_cntl |= NONSURF_AP0_SWP_32BPP;
1711 newmode->surface_cntl |= NONSURF_AP1_SWP_32BPP;
1716 /* Clear surface registers */
1717 for (i=0; i<8; i++) {
1718 newmode->surf_lower_bound[i] = 0;
1719 newmode->surf_upper_bound[i] = 0x1f;
1720 newmode->surf_info[i] = 0;
1723 RTRACE("h_total_disp = 0x%x\t hsync_strt_wid = 0x%x\n",
1724 newmode->crtc_h_total_disp, newmode->crtc_h_sync_strt_wid);
1725 RTRACE("v_total_disp = 0x%x\t vsync_strt_wid = 0x%x\n",
1726 newmode->crtc_v_total_disp, newmode->crtc_v_sync_strt_wid);
1728 rinfo->bpp = mode->bits_per_pixel;
1729 rinfo->depth = depth;
1731 RTRACE("pixclock = %lu\n", (unsigned long)pixClock);
1732 RTRACE("freq = %lu\n", (unsigned long)freq);
1734 /* We use PPLL_DIV_3 */
1735 newmode->clk_cntl_index = 0x300;
1737 /* Calculate PPLL value if necessary */
1739 radeon_calc_pll_regs(rinfo, newmode, freq);
1741 newmode->vclk_ecp_cntl = rinfo->init_state.vclk_ecp_cntl;
1743 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
1744 unsigned int hRatio, vRatio;
1746 if (mode->xres > rinfo->panel_info.xres)
1747 mode->xres = rinfo->panel_info.xres;
1748 if (mode->yres > rinfo->panel_info.yres)
1749 mode->yres = rinfo->panel_info.yres;
1751 newmode->fp_horz_stretch = (((rinfo->panel_info.xres / 8) - 1)
1752 << HORZ_PANEL_SHIFT);
1753 newmode->fp_vert_stretch = ((rinfo->panel_info.yres - 1)
1754 << VERT_PANEL_SHIFT);
1756 if (mode->xres != rinfo->panel_info.xres) {
1757 hRatio = round_div(mode->xres * HORZ_STRETCH_RATIO_MAX,
1758 rinfo->panel_info.xres);
1759 newmode->fp_horz_stretch = (((((unsigned long)hRatio) & HORZ_STRETCH_RATIO_MASK)) |
1760 (newmode->fp_horz_stretch &
1761 (HORZ_PANEL_SIZE | HORZ_FP_LOOP_STRETCH |
1762 HORZ_AUTO_RATIO_INC)));
1763 newmode->fp_horz_stretch |= (HORZ_STRETCH_BLEND |
1764 HORZ_STRETCH_ENABLE);
1767 newmode->fp_horz_stretch &= ~HORZ_AUTO_RATIO;
1769 if (mode->yres != rinfo->panel_info.yres) {
1770 vRatio = round_div(mode->yres * VERT_STRETCH_RATIO_MAX,
1771 rinfo->panel_info.yres);
1772 newmode->fp_vert_stretch = (((((unsigned long)vRatio) & VERT_STRETCH_RATIO_MASK)) |
1773 (newmode->fp_vert_stretch &
1774 (VERT_PANEL_SIZE | VERT_STRETCH_RESERVED)));
1775 newmode->fp_vert_stretch |= (VERT_STRETCH_BLEND |
1776 VERT_STRETCH_ENABLE);
1779 newmode->fp_vert_stretch &= ~VERT_AUTO_RATIO_EN;
1781 newmode->fp_gen_cntl = (rinfo->init_state.fp_gen_cntl & (u32)
1783 FP_RMX_HVSYNC_CONTROL_EN |
1788 FP_CRTC_USE_SHADOW_VEND |
1791 newmode->fp_gen_cntl |= (FP_CRTC_DONT_SHADOW_VPAR |
1792 FP_CRTC_DONT_SHADOW_HEND |
1795 if (IS_R300_VARIANT(rinfo) ||
1796 (rinfo->family == CHIP_FAMILY_R200)) {
1797 newmode->fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
1799 newmode->fp_gen_cntl |= R200_FP_SOURCE_SEL_RMX;
1801 newmode->fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC1;
1803 newmode->fp_gen_cntl |= FP_SEL_CRTC1;
1805 newmode->lvds_gen_cntl = rinfo->init_state.lvds_gen_cntl;
1806 newmode->lvds_pll_cntl = rinfo->init_state.lvds_pll_cntl;
1807 newmode->tmds_crc = rinfo->init_state.tmds_crc;
1808 newmode->tmds_transmitter_cntl = rinfo->init_state.tmds_transmitter_cntl;
1810 if (primary_mon == MT_LCD) {
1811 newmode->lvds_gen_cntl |= (LVDS_ON | LVDS_BLON);
1812 newmode->fp_gen_cntl &= ~(FP_FPON | FP_TMDS_EN);
1815 newmode->fp_gen_cntl |= (FP_FPON | FP_TMDS_EN);
1816 newmode->tmds_transmitter_cntl &= ~(TMDS_PLLRST);
1817 /* TMDS_PLL_EN bit is reversed on RV (and mobility) chips */
1818 if (IS_R300_VARIANT(rinfo) ||
1819 (rinfo->family == CHIP_FAMILY_R200) || !rinfo->has_CRTC2)
1820 newmode->tmds_transmitter_cntl &= ~TMDS_PLL_EN;
1822 newmode->tmds_transmitter_cntl |= TMDS_PLL_EN;
1823 newmode->crtc_ext_cntl &= ~CRTC_CRT_ON;
1826 newmode->fp_crtc_h_total_disp = (((rinfo->panel_info.hblank / 8) & 0x3ff) |
1827 (((mode->xres / 8) - 1) << 16));
1828 newmode->fp_crtc_v_total_disp = (rinfo->panel_info.vblank & 0xffff) |
1829 ((mode->yres - 1) << 16);
1830 newmode->fp_h_sync_strt_wid = ((rinfo->panel_info.hOver_plus & 0x1fff) |
1831 (hsync_wid << 16) | (h_sync_pol << 23));
1832 newmode->fp_v_sync_strt_wid = ((rinfo->panel_info.vOver_plus & 0xfff) |
1833 (vsync_wid << 16) | (v_sync_pol << 23));
1837 if (!rinfo->asleep) {
1838 memcpy(&rinfo->state, newmode, sizeof(*newmode));
1839 radeon_write_mode (rinfo, newmode, 0);
1840 /* (re)initialize the engine */
1841 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
1842 radeonfb_engine_init (rinfo);
1845 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
1846 info->fix.line_length = rinfo->pitch*64;
1848 info->fix.line_length = mode->xres_virtual
1849 * ((mode->bits_per_pixel + 1) / 8);
1850 info->fix.visual = rinfo->depth == 8 ? FB_VISUAL_PSEUDOCOLOR
1851 : FB_VISUAL_DIRECTCOLOR;
1853 #ifdef CONFIG_BOOTX_TEXT
1854 /* Update debug text engine */
1855 btext_update_display(rinfo->fb_base_phys, mode->xres, mode->yres,
1856 rinfo->depth, info->fix.line_length);
1864 static struct fb_ops radeonfb_ops = {
1865 .owner = THIS_MODULE,
1866 .fb_check_var = radeonfb_check_var,
1867 .fb_set_par = radeonfb_set_par,
1868 .fb_setcolreg = radeonfb_setcolreg,
1869 .fb_setcmap = radeonfb_setcmap,
1870 .fb_pan_display = radeonfb_pan_display,
1871 .fb_blank = radeonfb_blank,
1872 .fb_ioctl = radeonfb_ioctl,
1873 .fb_sync = radeonfb_sync,
1874 .fb_fillrect = radeonfb_fillrect,
1875 .fb_copyarea = radeonfb_copyarea,
1876 .fb_imageblit = radeonfb_imageblit,
1880 static int __devinit radeon_set_fbinfo (struct radeonfb_info *rinfo)
1882 struct fb_info *info = rinfo->info;
1885 info->pseudo_palette = rinfo->pseudo_palette;
1886 info->flags = FBINFO_DEFAULT
1887 | FBINFO_HWACCEL_COPYAREA
1888 | FBINFO_HWACCEL_FILLRECT
1889 | FBINFO_HWACCEL_XPAN
1890 | FBINFO_HWACCEL_YPAN;
1891 info->fbops = &radeonfb_ops;
1892 info->screen_base = rinfo->fb_base;
1893 info->screen_size = rinfo->mapped_vram;
1894 /* Fill fix common fields */
1895 strlcpy(info->fix.id, rinfo->name, sizeof(info->fix.id));
1896 info->fix.smem_start = rinfo->fb_base_phys;
1897 info->fix.smem_len = rinfo->video_ram;
1898 info->fix.type = FB_TYPE_PACKED_PIXELS;
1899 info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
1900 info->fix.xpanstep = 8;
1901 info->fix.ypanstep = 1;
1902 info->fix.ywrapstep = 0;
1903 info->fix.type_aux = 0;
1904 info->fix.mmio_start = rinfo->mmio_base_phys;
1905 info->fix.mmio_len = RADEON_REGSIZE;
1906 info->fix.accel = FB_ACCEL_ATI_RADEON;
1908 fb_alloc_cmap(&info->cmap, 256, 0);
1911 info->flags |= FBINFO_HWACCEL_DISABLED;
1917 #ifdef CONFIG_PMAC_BACKLIGHT
1919 /* TODO: Dbl check these tables, we don't go up to full ON backlight
1920 * in these, possibly because we noticed MacOS doesn't, but I'd prefer
1921 * having some more official numbers from ATI
1923 static int backlight_conv_m6[] = {
1924 0xff, 0xc0, 0xb5, 0xaa, 0x9f, 0x94, 0x89, 0x7e,
1925 0x73, 0x68, 0x5d, 0x52, 0x47, 0x3c, 0x31, 0x24
1927 static int backlight_conv_m7[] = {
1928 0x00, 0x3f, 0x4a, 0x55, 0x60, 0x6b, 0x76, 0x81,
1929 0x8c, 0x97, 0xa2, 0xad, 0xb8, 0xc3, 0xce, 0xd9
1932 #define BACKLIGHT_LVDS_OFF
1933 #undef BACKLIGHT_DAC_OFF
1935 /* We turn off the LCD completely instead of just dimming the backlight.
1936 * This provides some greater power saving and the display is useless
1937 * without backlight anyway.
1939 static int radeon_set_backlight_enable(int on, int level, void *data)
1941 struct radeonfb_info *rinfo = (struct radeonfb_info *)data;
1942 u32 lvds_gen_cntl, tmpPixclksCntl;
1945 if (rinfo->mon1_type != MT_LCD)
1948 /* Pardon me for that hack... maybe some day we can figure
1949 * out in what direction backlight should work on a given
1952 if ((rinfo->family == CHIP_FAMILY_RV200 ||
1953 rinfo->family == CHIP_FAMILY_RV250 ||
1954 rinfo->family == CHIP_FAMILY_RV280 ||
1955 rinfo->family == CHIP_FAMILY_RV350) &&
1956 !machine_is_compatible("PowerBook4,3") &&
1957 !machine_is_compatible("PowerBook6,3") &&
1958 !machine_is_compatible("PowerBook6,5"))
1959 conv_table = backlight_conv_m7;
1961 conv_table = backlight_conv_m6;
1963 del_timer_sync(&rinfo->lvds_timer);
1964 radeon_engine_idle();
1966 lvds_gen_cntl = INREG(LVDS_GEN_CNTL);
1967 if (on && (level > BACKLIGHT_OFF)) {
1968 lvds_gen_cntl &= ~LVDS_DISPLAY_DIS;
1969 if (!(lvds_gen_cntl & LVDS_BLON) || !(lvds_gen_cntl & LVDS_ON)) {
1970 lvds_gen_cntl |= (rinfo->init_state.lvds_gen_cntl & LVDS_DIGON);
1971 lvds_gen_cntl |= LVDS_BLON | LVDS_EN;
1972 OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
1973 lvds_gen_cntl &= ~LVDS_BL_MOD_LEVEL_MASK;
1974 lvds_gen_cntl |= (conv_table[level] <<
1975 LVDS_BL_MOD_LEVEL_SHIFT);
1976 lvds_gen_cntl |= LVDS_ON;
1977 lvds_gen_cntl |= (rinfo->init_state.lvds_gen_cntl & LVDS_BL_MOD_EN);
1978 rinfo->pending_lvds_gen_cntl = lvds_gen_cntl;
1979 mod_timer(&rinfo->lvds_timer,
1980 jiffies + msecs_to_jiffies(rinfo->panel_info.pwr_delay));
1982 lvds_gen_cntl &= ~LVDS_BL_MOD_LEVEL_MASK;
1983 lvds_gen_cntl |= (conv_table[level] <<
1984 LVDS_BL_MOD_LEVEL_SHIFT);
1985 OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
1987 rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
1988 rinfo->init_state.lvds_gen_cntl |= rinfo->pending_lvds_gen_cntl
1991 /* Asic bug, when turning off LVDS_ON, we have to make sure
1992 RADEON_PIXCLK_LVDS_ALWAYS_ON bit is off
1994 tmpPixclksCntl = INPLL(PIXCLKS_CNTL);
1995 if (rinfo->is_mobility || rinfo->is_IGP)
1996 OUTPLLP(PIXCLKS_CNTL, 0, ~PIXCLK_LVDS_ALWAYS_ONb);
1997 lvds_gen_cntl &= ~(LVDS_BL_MOD_LEVEL_MASK | LVDS_BL_MOD_EN);
1998 lvds_gen_cntl |= (conv_table[0] <<
1999 LVDS_BL_MOD_LEVEL_SHIFT);
2000 lvds_gen_cntl |= LVDS_DISPLAY_DIS;
2001 OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
2003 lvds_gen_cntl &= ~(LVDS_ON | LVDS_EN);
2004 OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
2005 lvds_gen_cntl &= ~(LVDS_DIGON);
2006 rinfo->pending_lvds_gen_cntl = lvds_gen_cntl;
2007 mod_timer(&rinfo->lvds_timer,
2008 jiffies + msecs_to_jiffies(rinfo->panel_info.pwr_delay));
2009 if (rinfo->is_mobility || rinfo->is_IGP)
2010 OUTPLL(PIXCLKS_CNTL, tmpPixclksCntl);
2012 rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
2013 rinfo->init_state.lvds_gen_cntl |= (lvds_gen_cntl & LVDS_STATE_MASK);
2019 static int radeon_set_backlight_level(int level, void *data)
2021 return radeon_set_backlight_enable(1, level, data);
2023 #endif /* CONFIG_PMAC_BACKLIGHT */
2027 * This reconfigure the card's internal memory map. In theory, we'd like
2028 * to setup the card's memory at the same address as it's PCI bus address,
2029 * and the AGP aperture right after that so that system RAM on 32 bits
2030 * machines at least, is directly accessible. However, doing so would
2031 * conflict with the current XFree drivers...
2032 * Ultimately, I hope XFree, GATOS and ATI binary drivers will all agree
2033 * on the proper way to set this up and duplicate this here. In the meantime,
2034 * I put the card's memory at 0 in card space and AGP at some random high
2035 * local (0xe0000000 for now) that will be changed by XFree/DRI anyway
2037 #ifdef CONFIG_PPC_OF
2038 #undef SET_MC_FB_FROM_APERTURE
2039 static void fixup_memory_mappings(struct radeonfb_info *rinfo)
2041 u32 save_crtc_gen_cntl, save_crtc2_gen_cntl = 0;
2042 u32 save_crtc_ext_cntl;
2043 u32 aper_base, aper_size;
2046 /* First, we disable display to avoid interfering */
2047 if (rinfo->has_CRTC2) {
2048 save_crtc2_gen_cntl = INREG(CRTC2_GEN_CNTL);
2049 OUTREG(CRTC2_GEN_CNTL, save_crtc2_gen_cntl | CRTC2_DISP_REQ_EN_B);
2051 save_crtc_gen_cntl = INREG(CRTC_GEN_CNTL);
2052 save_crtc_ext_cntl = INREG(CRTC_EXT_CNTL);
2054 OUTREG(CRTC_EXT_CNTL, save_crtc_ext_cntl | CRTC_DISPLAY_DIS);
2055 OUTREG(CRTC_GEN_CNTL, save_crtc_gen_cntl | CRTC_DISP_REQ_EN_B);
2058 aper_base = INREG(CONFIG_APER_0_BASE);
2059 aper_size = INREG(CONFIG_APER_SIZE);
2061 #ifdef SET_MC_FB_FROM_APERTURE
2062 /* Set framebuffer to be at the same address as set in PCI BAR */
2063 OUTREG(MC_FB_LOCATION,
2064 ((aper_base + aper_size - 1) & 0xffff0000) | (aper_base >> 16));
2065 rinfo->fb_local_base = aper_base;
2067 OUTREG(MC_FB_LOCATION, 0x7fff0000);
2068 rinfo->fb_local_base = 0;
2070 agp_base = aper_base + aper_size;
2071 if (agp_base & 0xf0000000)
2072 agp_base = (aper_base | 0x0fffffff) + 1;
2074 /* Set AGP to be just after the framebuffer on a 256Mb boundary. This
2075 * assumes the FB isn't mapped to 0xf0000000 or above, but this is
2076 * always the case on PPCs afaik.
2078 #ifdef SET_MC_FB_FROM_APERTURE
2079 OUTREG(MC_AGP_LOCATION, 0xffff0000 | (agp_base >> 16));
2081 OUTREG(MC_AGP_LOCATION, 0xffffe000);
2084 /* Fixup the display base addresses & engine offsets while we
2087 #ifdef SET_MC_FB_FROM_APERTURE
2088 OUTREG(DISPLAY_BASE_ADDR, aper_base);
2089 if (rinfo->has_CRTC2)
2090 OUTREG(CRTC2_DISPLAY_BASE_ADDR, aper_base);
2091 OUTREG(OV0_BASE_ADDR, aper_base);
2093 OUTREG(DISPLAY_BASE_ADDR, 0);
2094 if (rinfo->has_CRTC2)
2095 OUTREG(CRTC2_DISPLAY_BASE_ADDR, 0);
2096 OUTREG(OV0_BASE_ADDR, 0);
2100 /* Restore display settings */
2101 OUTREG(CRTC_GEN_CNTL, save_crtc_gen_cntl);
2102 OUTREG(CRTC_EXT_CNTL, save_crtc_ext_cntl);
2103 if (rinfo->has_CRTC2)
2104 OUTREG(CRTC2_GEN_CNTL, save_crtc2_gen_cntl);
2106 RTRACE("aper_base: %08x MC_FB_LOC to: %08x, MC_AGP_LOC to: %08x\n",
2108 ((aper_base + aper_size - 1) & 0xffff0000) | (aper_base >> 16),
2109 0xffff0000 | (agp_base >> 16));
2111 #endif /* CONFIG_PPC_OF */
2114 static void radeon_identify_vram(struct radeonfb_info *rinfo)
2118 /* framebuffer size */
2119 if ((rinfo->family == CHIP_FAMILY_RS100) ||
2120 (rinfo->family == CHIP_FAMILY_RS200) ||
2121 (rinfo->family == CHIP_FAMILY_RS300)) {
2122 u32 tom = INREG(NB_TOM);
2123 tmp = ((((tom >> 16) - (tom & 0xffff) + 1) << 6) * 1024);
2125 radeon_fifo_wait(6);
2126 OUTREG(MC_FB_LOCATION, tom);
2127 OUTREG(DISPLAY_BASE_ADDR, (tom & 0xffff) << 16);
2128 OUTREG(CRTC2_DISPLAY_BASE_ADDR, (tom & 0xffff) << 16);
2129 OUTREG(OV0_BASE_ADDR, (tom & 0xffff) << 16);
2131 /* This is supposed to fix the crtc2 noise problem. */
2132 OUTREG(GRPH2_BUFFER_CNTL, INREG(GRPH2_BUFFER_CNTL) & ~0x7f0000);
2134 if ((rinfo->family == CHIP_FAMILY_RS100) ||
2135 (rinfo->family == CHIP_FAMILY_RS200)) {
2136 /* This is to workaround the asic bug for RMX, some versions
2137 of BIOS dosen't have this register initialized correctly.
2139 OUTREGP(CRTC_MORE_CNTL, CRTC_H_CUTOFF_ACTIVE_EN,
2140 ~CRTC_H_CUTOFF_ACTIVE_EN);
2143 tmp = INREG(CONFIG_MEMSIZE);
2146 /* mem size is bits [28:0], mask off the rest */
2147 rinfo->video_ram = tmp & CONFIG_MEMSIZE_MASK;
2150 * Hack to get around some busted production M6's
2153 if (rinfo->video_ram == 0) {
2154 switch (rinfo->pdev->device) {
2155 case PCI_CHIP_RADEON_LY:
2156 case PCI_CHIP_RADEON_LZ:
2157 rinfo->video_ram = 8192 * 1024;
2166 * Now try to identify VRAM type
2168 if (rinfo->is_IGP || (rinfo->family >= CHIP_FAMILY_R300) ||
2169 (INREG(MEM_SDRAM_MODE_REG) & (1<<30)))
2170 rinfo->vram_ddr = 1;
2172 rinfo->vram_ddr = 0;
2174 tmp = INREG(MEM_CNTL);
2175 if (IS_R300_VARIANT(rinfo)) {
2176 tmp &= R300_MEM_NUM_CHANNELS_MASK;
2178 case 0: rinfo->vram_width = 64; break;
2179 case 1: rinfo->vram_width = 128; break;
2180 case 2: rinfo->vram_width = 256; break;
2181 default: rinfo->vram_width = 128; break;
2183 } else if ((rinfo->family == CHIP_FAMILY_RV100) ||
2184 (rinfo->family == CHIP_FAMILY_RS100) ||
2185 (rinfo->family == CHIP_FAMILY_RS200)){
2186 if (tmp & RV100_MEM_HALF_MODE)
2187 rinfo->vram_width = 32;
2189 rinfo->vram_width = 64;
2191 if (tmp & MEM_NUM_CHANNELS_MASK)
2192 rinfo->vram_width = 128;
2194 rinfo->vram_width = 64;
2197 /* This may not be correct, as some cards can have half of channel disabled
2198 * ToDo: identify these cases
2201 RTRACE("radeonfb (%s): Found %ldk of %s %d bits wide videoram\n",
2202 pci_name(rinfo->pdev),
2203 rinfo->video_ram / 1024,
2204 rinfo->vram_ddr ? "DDR" : "SDRAM",
2212 static ssize_t radeon_show_one_edid(char *buf, loff_t off, size_t count, const u8 *edid)
2214 if (off > EDID_LENGTH)
2217 if (off + count > EDID_LENGTH)
2218 count = EDID_LENGTH - off;
2220 memcpy(buf, edid + off, count);
2226 static ssize_t radeon_show_edid1(struct kobject *kobj, char *buf, loff_t off, size_t count)
2228 struct device *dev = container_of(kobj, struct device, kobj);
2229 struct pci_dev *pdev = to_pci_dev(dev);
2230 struct fb_info *info = pci_get_drvdata(pdev);
2231 struct radeonfb_info *rinfo = info->par;
2233 return radeon_show_one_edid(buf, off, count, rinfo->mon1_EDID);
2237 static ssize_t radeon_show_edid2(struct kobject *kobj, char *buf, loff_t off, size_t count)
2239 struct device *dev = container_of(kobj, struct device, kobj);
2240 struct pci_dev *pdev = to_pci_dev(dev);
2241 struct fb_info *info = pci_get_drvdata(pdev);
2242 struct radeonfb_info *rinfo = info->par;
2244 return radeon_show_one_edid(buf, off, count, rinfo->mon2_EDID);
2247 static struct bin_attribute edid1_attr = {
2250 .owner = THIS_MODULE,
2253 .size = EDID_LENGTH,
2254 .read = radeon_show_edid1,
2257 static struct bin_attribute edid2_attr = {
2260 .owner = THIS_MODULE,
2263 .size = EDID_LENGTH,
2264 .read = radeon_show_edid2,
2268 static int radeonfb_pci_register (struct pci_dev *pdev,
2269 const struct pci_device_id *ent)
2271 struct fb_info *info;
2272 struct radeonfb_info *rinfo;
2275 RTRACE("radeonfb_pci_register BEGIN\n");
2277 /* Enable device in PCI config */
2278 ret = pci_enable_device(pdev);
2280 printk(KERN_ERR "radeonfb (%s): Cannot enable PCI device\n",
2285 info = framebuffer_alloc(sizeof(struct radeonfb_info), &pdev->dev);
2287 printk (KERN_ERR "radeonfb (%s): could not allocate memory\n",
2296 spin_lock_init(&rinfo->reg_lock);
2297 init_timer(&rinfo->lvds_timer);
2298 rinfo->lvds_timer.function = radeon_lvds_timer_func;
2299 rinfo->lvds_timer.data = (unsigned long)rinfo;
2301 strcpy(rinfo->name, "ATI Radeon XX ");
2302 rinfo->name[11] = ent->device >> 8;
2303 rinfo->name[12] = ent->device & 0xFF;
2304 rinfo->family = ent->driver_data & CHIP_FAMILY_MASK;
2305 rinfo->chipset = pdev->device;
2306 rinfo->has_CRTC2 = (ent->driver_data & CHIP_HAS_CRTC2) != 0;
2307 rinfo->is_mobility = (ent->driver_data & CHIP_IS_MOBILITY) != 0;
2308 rinfo->is_IGP = (ent->driver_data & CHIP_IS_IGP) != 0;
2310 /* Set base addrs */
2311 rinfo->fb_base_phys = pci_resource_start (pdev, 0);
2312 rinfo->mmio_base_phys = pci_resource_start (pdev, 2);
2314 /* request the mem regions */
2315 ret = pci_request_region(pdev, 0, "radeonfb framebuffer");
2317 printk( KERN_ERR "radeonfb (%s): cannot request region 0.\n",
2318 pci_name(rinfo->pdev));
2319 goto err_release_fb;
2322 ret = pci_request_region(pdev, 2, "radeonfb mmio");
2324 printk( KERN_ERR "radeonfb (%s): cannot request region 2.\n",
2325 pci_name(rinfo->pdev));
2326 goto err_release_pci0;
2329 /* map the regions */
2330 rinfo->mmio_base = ioremap(rinfo->mmio_base_phys, RADEON_REGSIZE);
2331 if (!rinfo->mmio_base) {
2332 printk(KERN_ERR "radeonfb (%s): cannot map MMIO\n",
2333 pci_name(rinfo->pdev));
2335 goto err_release_pci2;
2338 rinfo->fb_local_base = INREG(MC_FB_LOCATION) << 16;
2344 if (rinfo->family == CHIP_FAMILY_R300 &&
2345 (INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK)
2347 rinfo->errata |= CHIP_ERRATA_R300_CG;
2349 if (rinfo->family == CHIP_FAMILY_RV200 ||
2350 rinfo->family == CHIP_FAMILY_RS200)
2351 rinfo->errata |= CHIP_ERRATA_PLL_DUMMYREADS;
2353 if (rinfo->family == CHIP_FAMILY_RV100 ||
2354 rinfo->family == CHIP_FAMILY_RS100 ||
2355 rinfo->family == CHIP_FAMILY_RS200)
2356 rinfo->errata |= CHIP_ERRATA_PLL_DELAY;
2358 #ifdef CONFIG_PPC_OF
2359 /* On PPC, we obtain the OF device-node pointer to the firmware
2360 * data for this chip
2362 rinfo->of_node = pci_device_to_OF_node(pdev);
2363 if (rinfo->of_node == NULL)
2364 printk(KERN_WARNING "radeonfb (%s): Cannot match card to OF node !\n",
2365 pci_name(rinfo->pdev));
2367 /* On PPC, the firmware sets up a memory mapping that tends
2368 * to cause lockups when enabling the engine. We reconfigure
2369 * the card internal memory mappings properly
2371 fixup_memory_mappings(rinfo);
2372 #endif /* CONFIG_PPC_OF */
2374 /* Get VRAM size and type */
2375 radeon_identify_vram(rinfo);
2377 rinfo->mapped_vram = min_t(unsigned long, MAX_MAPPED_VRAM, rinfo->video_ram);
2380 rinfo->fb_base = ioremap (rinfo->fb_base_phys,
2381 rinfo->mapped_vram);
2382 } while ( rinfo->fb_base == 0 &&
2383 ((rinfo->mapped_vram /=2) >= MIN_MAPPED_VRAM) );
2385 if (rinfo->fb_base == NULL) {
2386 printk (KERN_ERR "radeonfb (%s): cannot map FB\n",
2387 pci_name(rinfo->pdev));
2392 RTRACE("radeonfb (%s): mapped %ldk videoram\n", pci_name(rinfo->pdev),
2393 rinfo->mapped_vram/1024);
2396 * Map the BIOS ROM if any and retrieve PLL parameters from
2397 * the BIOS. We skip that on mobility chips as the real panel
2398 * values we need aren't in the ROM but in the BIOS image in
2399 * memory. This is definitely not the best meacnism though,
2400 * we really need the arch code to tell us which is the "primary"
2401 * video adapter to use the memory image (or better, the arch
2402 * should provide us a copy of the BIOS image to shield us from
2403 * archs who would store that elsewhere and/or could initialize
2404 * more than one adapter during boot).
2406 if (!rinfo->is_mobility)
2407 radeon_map_ROM(rinfo, pdev);
2410 * On x86, the primary display on laptop may have it's BIOS
2411 * ROM elsewhere, try to locate it at the legacy memory hole.
2412 * We probably need to make sure this is the primary display,
2413 * but that is difficult without some arch support.
2416 if (rinfo->bios_seg == NULL)
2417 radeon_find_mem_vbios(rinfo);
2420 /* If both above failed, try the BIOS ROM again for mobility
2423 if (rinfo->bios_seg == NULL && rinfo->is_mobility)
2424 radeon_map_ROM(rinfo, pdev);
2426 /* Get informations about the board's PLL */
2427 radeon_get_pllinfo(rinfo);
2429 #ifdef CONFIG_FB_RADEON_I2C
2430 /* Register I2C bus */
2431 radeon_create_i2c_busses(rinfo);
2434 /* set all the vital stuff */
2435 radeon_set_fbinfo (rinfo);
2437 /* Probe screen types */
2438 radeon_probe_screens(rinfo, monitor_layout, ignore_edid);
2440 /* Build mode list, check out panel native model */
2441 radeon_check_modes(rinfo, mode_option);
2443 /* Register some sysfs stuff (should be done better) */
2444 if (rinfo->mon1_EDID)
2445 sysfs_create_bin_file(&rinfo->pdev->dev.kobj, &edid1_attr);
2446 if (rinfo->mon2_EDID)
2447 sysfs_create_bin_file(&rinfo->pdev->dev.kobj, &edid2_attr);
2449 /* save current mode regs before we switch into the new one
2450 * so we can restore this upon __exit
2452 radeon_save_state (rinfo, &rinfo->init_state);
2453 memcpy(&rinfo->state, &rinfo->init_state, sizeof(struct radeon_regs));
2455 /* Setup Power Management capabilities */
2456 if (default_dynclk < -1) {
2457 /* -2 is special: means ON on mobility chips and do not
2460 radeonfb_pm_init(rinfo, rinfo->is_mobility ? 1 : -1);
2462 radeonfb_pm_init(rinfo, default_dynclk);
2464 pci_set_drvdata(pdev, info);
2466 /* Register with fbdev layer */
2467 ret = register_framebuffer(info);
2469 printk (KERN_ERR "radeonfb (%s): could not register framebuffer\n",
2470 pci_name(rinfo->pdev));
2475 rinfo->mtrr_hdl = nomtrr ? -1 : mtrr_add(rinfo->fb_base_phys,
2477 MTRR_TYPE_WRCOMB, 1);
2480 #ifdef CONFIG_PMAC_BACKLIGHT
2481 if (rinfo->mon1_type == MT_LCD) {
2482 register_backlight_controller(&radeon_backlight_controller,
2484 register_backlight_controller(&radeon_backlight_controller,
2489 printk ("radeonfb (%s): %s\n", pci_name(rinfo->pdev), rinfo->name);
2491 if (rinfo->bios_seg)
2492 radeon_unmap_ROM(rinfo, pdev);
2493 RTRACE("radeonfb_pci_register END\n");
2497 iounmap(rinfo->fb_base);
2499 kfree(rinfo->mon1_EDID);
2500 kfree(rinfo->mon2_EDID);
2501 if (rinfo->mon1_modedb)
2502 fb_destroy_modedb(rinfo->mon1_modedb);
2503 fb_dealloc_cmap(&info->cmap);
2504 #ifdef CONFIG_FB_RADEON_I2C
2505 radeon_delete_i2c_busses(rinfo);
2507 if (rinfo->bios_seg)
2508 radeon_unmap_ROM(rinfo, pdev);
2509 iounmap(rinfo->mmio_base);
2511 pci_release_region(pdev, 2);
2513 pci_release_region(pdev, 0);
2515 framebuffer_release(info);
2517 pci_disable_device(pdev);
2524 static void __devexit radeonfb_pci_unregister (struct pci_dev *pdev)
2526 struct fb_info *info = pci_get_drvdata(pdev);
2527 struct radeonfb_info *rinfo = info->par;
2532 radeonfb_pm_exit(rinfo);
2534 if (rinfo->mon1_EDID)
2535 sysfs_remove_bin_file(&rinfo->pdev->dev.kobj, &edid1_attr);
2536 if (rinfo->mon2_EDID)
2537 sysfs_remove_bin_file(&rinfo->pdev->dev.kobj, &edid2_attr);
2540 /* restore original state
2542 * Doesn't quite work yet, I suspect if we come from a legacy
2543 * VGA mode (or worse, text mode), we need to do some VGA black
2544 * magic here that I know nothing about. --BenH
2546 radeon_write_mode (rinfo, &rinfo->init_state, 1);
2549 del_timer_sync(&rinfo->lvds_timer);
2552 if (rinfo->mtrr_hdl >= 0)
2553 mtrr_del(rinfo->mtrr_hdl, 0, 0);
2556 unregister_framebuffer(info);
2558 iounmap(rinfo->mmio_base);
2559 iounmap(rinfo->fb_base);
2561 pci_release_region(pdev, 2);
2562 pci_release_region(pdev, 0);
2564 kfree(rinfo->mon1_EDID);
2565 kfree(rinfo->mon2_EDID);
2566 if (rinfo->mon1_modedb)
2567 fb_destroy_modedb(rinfo->mon1_modedb);
2568 #ifdef CONFIG_FB_RADEON_I2C
2569 radeon_delete_i2c_busses(rinfo);
2571 fb_dealloc_cmap(&info->cmap);
2572 framebuffer_release(info);
2573 pci_disable_device(pdev);
2577 static struct pci_driver radeonfb_driver = {
2579 .id_table = radeonfb_pci_table,
2580 .probe = radeonfb_pci_register,
2581 .remove = __devexit_p(radeonfb_pci_unregister),
2583 .suspend = radeonfb_pci_suspend,
2584 .resume = radeonfb_pci_resume,
2585 #endif /* CONFIG_PM */
2589 static int __init radeonfb_setup (char *options)
2593 if (!options || !*options)
2596 while ((this_opt = strsep (&options, ",")) != NULL) {
2600 if (!strncmp(this_opt, "noaccel", 7)) {
2602 } else if (!strncmp(this_opt, "mirror", 6)) {
2604 } else if (!strncmp(this_opt, "force_dfp", 9)) {
2606 } else if (!strncmp(this_opt, "panel_yres:", 11)) {
2607 panel_yres = simple_strtoul((this_opt+11), NULL, 0);
2609 } else if (!strncmp(this_opt, "nomtrr", 6)) {
2612 } else if (!strncmp(this_opt, "nomodeset", 9)) {
2614 } else if (!strncmp(this_opt, "force_measure_pll", 17)) {
2615 force_measure_pll = 1;
2616 } else if (!strncmp(this_opt, "ignore_edid", 11)) {
2619 mode_option = this_opt;
2625 static int __init radeonfb_init (void)
2628 char *option = NULL;
2630 if (fb_get_options("radeonfb", &option))
2632 radeonfb_setup(option);
2634 return pci_register_driver (&radeonfb_driver);
2638 static void __exit radeonfb_exit (void)
2640 pci_unregister_driver (&radeonfb_driver);
2643 module_init(radeonfb_init);
2644 module_exit(radeonfb_exit);
2646 MODULE_AUTHOR("Ani Joshi");
2647 MODULE_DESCRIPTION("framebuffer driver for ATI Radeon chipset");
2648 MODULE_LICENSE("GPL");
2649 module_param(noaccel, bool, 0);
2650 module_param(default_dynclk, int, 0);
2651 MODULE_PARM_DESC(default_dynclk, "int: -2=enable on mobility only,-1=do not change,0=off,1=on");
2652 MODULE_PARM_DESC(noaccel, "bool: disable acceleration");
2653 module_param(nomodeset, bool, 0);
2654 MODULE_PARM_DESC(nomodeset, "bool: disable actual setting of video mode");
2655 module_param(mirror, bool, 0);
2656 MODULE_PARM_DESC(mirror, "bool: mirror the display to both monitors");
2657 module_param(force_dfp, bool, 0);
2658 MODULE_PARM_DESC(force_dfp, "bool: force display to dfp");
2659 module_param(ignore_edid, bool, 0);
2660 MODULE_PARM_DESC(ignore_edid, "bool: Ignore EDID data when doing DDC probe");
2661 module_param(monitor_layout, charp, 0);
2662 MODULE_PARM_DESC(monitor_layout, "Specify monitor mapping (like XFree86)");
2663 module_param(force_measure_pll, bool, 0);
2664 MODULE_PARM_DESC(force_measure_pll, "Force measurement of PLL (debug)");
2666 module_param(nomtrr, bool, 0);
2667 MODULE_PARM_DESC(nomtrr, "bool: disable use of MTRR registers");
2669 module_param(panel_yres, int, 0);
2670 MODULE_PARM_DESC(panel_yres, "int: set panel yres");
2671 module_param(mode_option, charp, 0);
2672 MODULE_PARM_DESC(mode_option, "Specify resolution as \"<xres>x<yres>[-<bpp>][@<refresh>]\" ");