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>
72 #include <linux/i2c.h>
75 #include <asm/uaccess.h>
79 #include <asm/pci-bridge.h>
80 #include "../macmodes.h"
82 #ifdef CONFIG_PMAC_BACKLIGHT
83 #include <asm/backlight.h>
86 #ifdef CONFIG_BOOTX_TEXT
87 #include <asm/btext.h>
90 #endif /* CONFIG_PPC_OF */
96 #include <video/radeon.h>
97 #include <linux/radeonfb.h>
99 #include "../edid.h" // MOVE THAT TO include/video
101 #include "radeonfb.h"
103 #define MAX_MAPPED_VRAM (2048*2048*4)
104 #define MIN_MAPPED_VRAM (1024*768*1)
106 #define CHIP_DEF(id, family, flags) \
107 { PCI_VENDOR_ID_ATI, id, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (flags) | (CHIP_FAMILY_##family) }
109 static struct pci_device_id radeonfb_pci_table[] = {
111 CHIP_DEF(PCI_CHIP_RADEON_LY, RV100, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
112 CHIP_DEF(PCI_CHIP_RADEON_LZ, RV100, CHIP_HAS_CRTC2 | CHIP_IS_MOBILITY),
114 CHIP_DEF(PCI_CHIP_RV100_QY, RV100, CHIP_HAS_CRTC2),
115 CHIP_DEF(PCI_CHIP_RV100_QZ, 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_ERR "radeonfb (%s): Invalid ROM signature %x should be"
333 "0xaa55\n", pci_name(rinfo->pdev), BIOS_IN16(0));
336 /* Look for the PCI data to check the ROM type */
337 dptr = BIOS_IN16(0x18);
339 /* Check the PCI data signature. If it's wrong, we still assume a normal x86 ROM
340 * for now, until I've verified this works everywhere. The goal here is more
341 * to phase out Open Firmware images.
343 * Currently, we only look at the first PCI data, we could iteratre and deal with
344 * them all, and we should use fb_bios_start relative to start of image and not
345 * relative start of ROM, but so far, I never found a dual-image ATI card
348 * u32 signature; + 0x00
351 * u16 reserved_1; + 0x08
353 * u8 drevision; + 0x0c
354 * u8 class_hi; + 0x0d
355 * u16 class_lo; + 0x0e
357 * u16 irevision; + 0x12
359 * u8 indicator; + 0x15
360 * u16 reserved_2; + 0x16
363 if (BIOS_IN32(dptr) != (('R' << 24) | ('I' << 16) | ('C' << 8) | 'P')) {
364 printk(KERN_WARNING "radeonfb (%s): PCI DATA signature in ROM"
365 "incorrect: %08x\n", pci_name(rinfo->pdev), BIOS_IN32(dptr));
368 rom_type = BIOS_IN8(dptr + 0x14);
371 printk(KERN_INFO "radeonfb: Found Intel x86 BIOS ROM Image\n");
374 printk(KERN_INFO "radeonfb: Found Open Firmware ROM Image\n");
377 printk(KERN_INFO "radeonfb: Found HP PA-RISC ROM Image\n");
380 printk(KERN_INFO "radeonfb: Found unknown type %d ROM Image\n", rom_type);
384 /* Locate the flat panel infos, do some sanity checking !!! */
385 rinfo->fp_bios_start = BIOS_IN16(0x48);
389 rinfo->bios_seg = NULL;
390 radeon_unmap_ROM(rinfo, dev);
395 static int __devinit radeon_find_mem_vbios(struct radeonfb_info *rinfo)
397 /* I simplified this code as we used to miss the signatures in
398 * a lot of case. It's now closer to XFree, we just don't check
399 * for signatures at all... Something better will have to be done
400 * if we end up having conflicts
403 void __iomem *rom_base = NULL;
405 for(segstart=0x000c0000; segstart<0x000f0000; segstart+=0x00001000) {
406 rom_base = ioremap(segstart, 0x10000);
407 if (rom_base == NULL)
409 if (readb(rom_base) == 0x55 && readb(rom_base + 1) == 0xaa)
414 if (rom_base == NULL)
417 /* Locate the flat panel infos, do some sanity checking !!! */
418 rinfo->bios_seg = rom_base;
419 rinfo->fp_bios_start = BIOS_IN16(0x48);
427 * Read XTAL (ref clock), SCLK and MCLK from Open Firmware device
428 * tree. Hopefully, ATI OF driver is kind enough to fill these
430 static int __devinit radeon_read_xtal_OF (struct radeonfb_info *rinfo)
432 struct device_node *dp = rinfo->of_node;
437 val = (u32 *) get_property(dp, "ATY,RefCLK", NULL);
439 printk(KERN_WARNING "radeonfb: No ATY,RefCLK property !\n");
443 rinfo->pll.ref_clk = (*val) / 10;
445 val = (u32 *) get_property(dp, "ATY,SCLK", NULL);
447 rinfo->pll.sclk = (*val) / 10;
449 val = (u32 *) get_property(dp, "ATY,MCLK", NULL);
451 rinfo->pll.mclk = (*val) / 10;
455 #endif /* CONFIG_PPC_OF */
458 * Read PLL infos from chip registers
460 static int __devinit radeon_probe_pll_params(struct radeonfb_info *rinfo)
462 unsigned char ppll_div_sel;
464 unsigned sclk, mclk, tmp, ref_div;
465 int hTotal, vTotal, num, denom, m, n;
466 unsigned long long hz, vclk;
468 struct timeval start_tv, stop_tv;
469 long total_secs, total_usecs;
472 /* Ugh, we cut interrupts, bad bad bad, but we want some precision
476 /* Flush PCI buffers ? */
477 tmp = INREG(DEVICE_ID);
481 for(i=0; i<1000000; i++)
482 if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) == 0)
485 do_gettimeofday(&start_tv);
487 for(i=0; i<1000000; i++)
488 if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) != 0)
491 for(i=0; i<1000000; i++)
492 if (((INREG(CRTC_VLINE_CRNT_VLINE) >> 16) & 0x3ff) == 0)
495 do_gettimeofday(&stop_tv);
499 total_secs = stop_tv.tv_sec - start_tv.tv_sec;
502 total_usecs = stop_tv.tv_usec - start_tv.tv_usec;
503 total_usecs += total_secs * 1000000;
505 total_usecs = -total_usecs;
506 hz = 1000000/total_usecs;
508 hTotal = ((INREG(CRTC_H_TOTAL_DISP) & 0x1ff) + 1) * 8;
509 vTotal = ((INREG(CRTC_V_TOTAL_DISP) & 0x3ff) + 1);
510 vclk = (long long)hTotal * (long long)vTotal * hz;
512 switch((INPLL(PPLL_REF_DIV) & 0x30000) >> 16) {
519 n = ((INPLL(M_SPLL_REF_FB_DIV) >> 16) & 0xff);
520 m = (INPLL(M_SPLL_REF_FB_DIV) & 0xff);
525 n = ((INPLL(M_SPLL_REF_FB_DIV) >> 8) & 0xff);
526 m = (INPLL(M_SPLL_REF_FB_DIV) & 0xff);
532 ppll_div_sel = INREG8(CLOCK_CNTL_INDEX + 1) & 0x3;
533 radeon_pll_errata_after_index(rinfo);
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 radeon_setcolreg (unsigned regno, unsigned red, unsigned green,
1061 unsigned blue, unsigned transp,
1062 struct radeonfb_info *rinfo)
1074 rinfo->palette[regno].red = red;
1075 rinfo->palette[regno].green = green;
1076 rinfo->palette[regno].blue = blue;
1081 if (!rinfo->asleep) {
1082 radeon_fifo_wait(9);
1084 if (rinfo->bpp == 16) {
1087 if (rinfo->depth == 16 && regno > 63)
1089 if (rinfo->depth == 15 && regno > 31)
1092 /* For 565, the green component is mixed one order
1095 if (rinfo->depth == 16) {
1096 OUTREG(PALETTE_INDEX, pindex>>1);
1097 OUTREG(PALETTE_DATA,
1098 (rinfo->palette[regno>>1].red << 16) |
1100 (rinfo->palette[regno>>1].blue));
1101 green = rinfo->palette[regno<<1].green;
1105 if (rinfo->depth != 16 || regno < 32) {
1106 OUTREG(PALETTE_INDEX, pindex);
1107 OUTREG(PALETTE_DATA, (red << 16) |
1108 (green << 8) | blue);
1112 u32 *pal = rinfo->info->pseudo_palette;
1113 switch (rinfo->depth) {
1115 pal[regno] = (regno << 10) | (regno << 5) | regno;
1118 pal[regno] = (regno << 11) | (regno << 5) | regno;
1121 pal[regno] = (regno << 16) | (regno << 8) | regno;
1124 i = (regno << 8) | regno;
1125 pal[regno] = (i << 16) | i;
1132 static int radeonfb_setcolreg (unsigned regno, unsigned red, unsigned green,
1133 unsigned blue, unsigned transp,
1134 struct fb_info *info)
1136 struct radeonfb_info *rinfo = info->par;
1137 u32 dac_cntl2, vclk_cntl = 0;
1140 if (!rinfo->asleep) {
1141 if (rinfo->is_mobility) {
1142 vclk_cntl = INPLL(VCLK_ECP_CNTL);
1143 OUTPLL(VCLK_ECP_CNTL,
1144 vclk_cntl & ~PIXCLK_DAC_ALWAYS_ONb);
1147 /* Make sure we are on first palette */
1148 if (rinfo->has_CRTC2) {
1149 dac_cntl2 = INREG(DAC_CNTL2);
1150 dac_cntl2 &= ~DAC2_PALETTE_ACCESS_CNTL;
1151 OUTREG(DAC_CNTL2, dac_cntl2);
1155 rc = radeon_setcolreg (regno, red, green, blue, transp, rinfo);
1157 if (!rinfo->asleep && rinfo->is_mobility)
1158 OUTPLL(VCLK_ECP_CNTL, vclk_cntl);
1163 static int radeonfb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
1165 struct radeonfb_info *rinfo = info->par;
1166 u16 *red, *green, *blue, *transp;
1167 u32 dac_cntl2, vclk_cntl = 0;
1168 int i, start, rc = 0;
1170 if (!rinfo->asleep) {
1171 if (rinfo->is_mobility) {
1172 vclk_cntl = INPLL(VCLK_ECP_CNTL);
1173 OUTPLL(VCLK_ECP_CNTL,
1174 vclk_cntl & ~PIXCLK_DAC_ALWAYS_ONb);
1177 /* Make sure we are on first palette */
1178 if (rinfo->has_CRTC2) {
1179 dac_cntl2 = INREG(DAC_CNTL2);
1180 dac_cntl2 &= ~DAC2_PALETTE_ACCESS_CNTL;
1181 OUTREG(DAC_CNTL2, dac_cntl2);
1186 green = cmap->green;
1188 transp = cmap->transp;
1189 start = cmap->start;
1191 for (i = 0; i < cmap->len; i++) {
1192 u_int hred, hgreen, hblue, htransp = 0xffff;
1198 htransp = *transp++;
1199 rc = radeon_setcolreg (start++, hred, hgreen, hblue, htransp,
1205 if (!rinfo->asleep && rinfo->is_mobility)
1206 OUTPLL(VCLK_ECP_CNTL, vclk_cntl);
1211 static void radeon_save_state (struct radeonfb_info *rinfo,
1212 struct radeon_regs *save)
1215 save->crtc_gen_cntl = INREG(CRTC_GEN_CNTL);
1216 save->crtc_ext_cntl = INREG(CRTC_EXT_CNTL);
1217 save->crtc_more_cntl = INREG(CRTC_MORE_CNTL);
1218 save->dac_cntl = INREG(DAC_CNTL);
1219 save->crtc_h_total_disp = INREG(CRTC_H_TOTAL_DISP);
1220 save->crtc_h_sync_strt_wid = INREG(CRTC_H_SYNC_STRT_WID);
1221 save->crtc_v_total_disp = INREG(CRTC_V_TOTAL_DISP);
1222 save->crtc_v_sync_strt_wid = INREG(CRTC_V_SYNC_STRT_WID);
1223 save->crtc_pitch = INREG(CRTC_PITCH);
1224 save->surface_cntl = INREG(SURFACE_CNTL);
1227 save->fp_crtc_h_total_disp = INREG(FP_CRTC_H_TOTAL_DISP);
1228 save->fp_crtc_v_total_disp = INREG(FP_CRTC_V_TOTAL_DISP);
1229 save->fp_gen_cntl = INREG(FP_GEN_CNTL);
1230 save->fp_h_sync_strt_wid = INREG(FP_H_SYNC_STRT_WID);
1231 save->fp_horz_stretch = INREG(FP_HORZ_STRETCH);
1232 save->fp_v_sync_strt_wid = INREG(FP_V_SYNC_STRT_WID);
1233 save->fp_vert_stretch = INREG(FP_VERT_STRETCH);
1234 save->lvds_gen_cntl = INREG(LVDS_GEN_CNTL);
1235 save->lvds_pll_cntl = INREG(LVDS_PLL_CNTL);
1236 save->tmds_crc = INREG(TMDS_CRC);
1237 save->tmds_transmitter_cntl = INREG(TMDS_TRANSMITTER_CNTL);
1238 save->vclk_ecp_cntl = INPLL(VCLK_ECP_CNTL);
1241 save->clk_cntl_index = INREG(CLOCK_CNTL_INDEX) & ~0x3f;
1242 radeon_pll_errata_after_index(rinfo);
1243 save->ppll_div_3 = INPLL(PPLL_DIV_3);
1244 save->ppll_ref_div = INPLL(PPLL_REF_DIV);
1248 static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_regs *mode)
1252 radeon_fifo_wait(20);
1254 /* Workaround from XFree */
1255 if (rinfo->is_mobility) {
1256 /* A temporal workaround for the occational blanking on certain laptop
1257 * panels. This appears to related to the PLL divider registers
1258 * (fail to lock?). It occurs even when all dividers are the same
1259 * with their old settings. In this case we really don't need to
1260 * fiddle with PLL registers. By doing this we can avoid the blanking
1261 * problem with some panels.
1263 if ((mode->ppll_ref_div == (INPLL(PPLL_REF_DIV) & PPLL_REF_DIV_MASK)) &&
1264 (mode->ppll_div_3 == (INPLL(PPLL_DIV_3) &
1265 (PPLL_POST3_DIV_MASK | PPLL_FB3_DIV_MASK)))) {
1266 /* We still have to force a switch to selected PPLL div thanks to
1267 * an XFree86 driver bug which will switch it away in some cases
1268 * even when using UseFDev */
1269 OUTREGP(CLOCK_CNTL_INDEX,
1270 mode->clk_cntl_index & PPLL_DIV_SEL_MASK,
1271 ~PPLL_DIV_SEL_MASK);
1272 radeon_pll_errata_after_index(rinfo);
1273 radeon_pll_errata_after_data(rinfo);
1278 /* Swich VCKL clock input to CPUCLK so it stays fed while PPLL updates*/
1279 OUTPLLP(VCLK_ECP_CNTL, VCLK_SRC_SEL_CPUCLK, ~VCLK_SRC_SEL_MASK);
1281 /* Reset PPLL & enable atomic update */
1283 PPLL_RESET | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN,
1284 ~(PPLL_RESET | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN));
1286 /* Switch to selected PPLL divider */
1287 OUTREGP(CLOCK_CNTL_INDEX,
1288 mode->clk_cntl_index & PPLL_DIV_SEL_MASK,
1289 ~PPLL_DIV_SEL_MASK);
1290 radeon_pll_errata_after_index(rinfo);
1291 radeon_pll_errata_after_data(rinfo);
1293 /* Set PPLL ref. div */
1294 if (rinfo->family == CHIP_FAMILY_R300 ||
1295 rinfo->family == CHIP_FAMILY_RS300 ||
1296 rinfo->family == CHIP_FAMILY_R350 ||
1297 rinfo->family == CHIP_FAMILY_RV350) {
1298 if (mode->ppll_ref_div & R300_PPLL_REF_DIV_ACC_MASK) {
1299 /* When restoring console mode, use saved PPLL_REF_DIV
1302 OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, 0);
1304 /* R300 uses ref_div_acc field as real ref divider */
1305 OUTPLLP(PPLL_REF_DIV,
1306 (mode->ppll_ref_div << R300_PPLL_REF_DIV_ACC_SHIFT),
1307 ~R300_PPLL_REF_DIV_ACC_MASK);
1310 OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, ~PPLL_REF_DIV_MASK);
1312 /* Set PPLL divider 3 & post divider*/
1313 OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_FB3_DIV_MASK);
1314 OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_POST3_DIV_MASK);
1317 while (INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R)
1319 OUTPLLP(PPLL_REF_DIV, PPLL_ATOMIC_UPDATE_W, ~PPLL_ATOMIC_UPDATE_W);
1321 /* Wait read update complete */
1322 /* FIXME: Certain revisions of R300 can't recover here. Not sure of
1323 the cause yet, but this workaround will mask the problem for now.
1324 Other chips usually will pass at the very first test, so the
1325 workaround shouldn't have any effect on them. */
1326 for (i = 0; (i < 10000 && INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R); i++)
1329 OUTPLL(HTOTAL_CNTL, 0);
1331 /* Clear reset & atomic update */
1332 OUTPLLP(PPLL_CNTL, 0,
1333 ~(PPLL_RESET | PPLL_SLEEP | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN));
1335 /* We may want some locking ... oh well */
1338 /* Switch back VCLK source to PPLL */
1339 OUTPLLP(VCLK_ECP_CNTL, VCLK_SRC_SEL_PPLLCLK, ~VCLK_SRC_SEL_MASK);
1343 * Timer function for delayed LVDS panel power up/down
1345 static void radeon_lvds_timer_func(unsigned long data)
1347 struct radeonfb_info *rinfo = (struct radeonfb_info *)data;
1349 radeon_engine_idle();
1351 OUTREG(LVDS_GEN_CNTL, rinfo->pending_lvds_gen_cntl);
1355 * Apply a video mode. This will apply the whole register set, including
1356 * the PLL registers, to the card
1358 void radeon_write_mode (struct radeonfb_info *rinfo, struct radeon_regs *mode,
1362 int primary_mon = PRIMARY_MONITOR(rinfo);
1368 radeon_screen_blank(rinfo, FB_BLANK_NORMAL, 0);
1370 radeon_fifo_wait(31);
1371 for (i=0; i<10; i++)
1372 OUTREG(common_regs[i].reg, common_regs[i].val);
1374 /* Apply surface registers */
1375 for (i=0; i<8; i++) {
1376 OUTREG(SURFACE0_LOWER_BOUND + 0x10*i, mode->surf_lower_bound[i]);
1377 OUTREG(SURFACE0_UPPER_BOUND + 0x10*i, mode->surf_upper_bound[i]);
1378 OUTREG(SURFACE0_INFO + 0x10*i, mode->surf_info[i]);
1381 OUTREG(CRTC_GEN_CNTL, mode->crtc_gen_cntl);
1382 OUTREGP(CRTC_EXT_CNTL, mode->crtc_ext_cntl,
1383 ~(CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS));
1384 OUTREG(CRTC_MORE_CNTL, mode->crtc_more_cntl);
1385 OUTREGP(DAC_CNTL, mode->dac_cntl, DAC_RANGE_CNTL | DAC_BLANKING);
1386 OUTREG(CRTC_H_TOTAL_DISP, mode->crtc_h_total_disp);
1387 OUTREG(CRTC_H_SYNC_STRT_WID, mode->crtc_h_sync_strt_wid);
1388 OUTREG(CRTC_V_TOTAL_DISP, mode->crtc_v_total_disp);
1389 OUTREG(CRTC_V_SYNC_STRT_WID, mode->crtc_v_sync_strt_wid);
1390 OUTREG(CRTC_OFFSET, 0);
1391 OUTREG(CRTC_OFFSET_CNTL, 0);
1392 OUTREG(CRTC_PITCH, mode->crtc_pitch);
1393 OUTREG(SURFACE_CNTL, mode->surface_cntl);
1395 radeon_write_pll_regs(rinfo, mode);
1397 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
1398 radeon_fifo_wait(10);
1399 OUTREG(FP_CRTC_H_TOTAL_DISP, mode->fp_crtc_h_total_disp);
1400 OUTREG(FP_CRTC_V_TOTAL_DISP, mode->fp_crtc_v_total_disp);
1401 OUTREG(FP_H_SYNC_STRT_WID, mode->fp_h_sync_strt_wid);
1402 OUTREG(FP_V_SYNC_STRT_WID, mode->fp_v_sync_strt_wid);
1403 OUTREG(FP_HORZ_STRETCH, mode->fp_horz_stretch);
1404 OUTREG(FP_VERT_STRETCH, mode->fp_vert_stretch);
1405 OUTREG(FP_GEN_CNTL, mode->fp_gen_cntl);
1406 OUTREG(TMDS_CRC, mode->tmds_crc);
1407 OUTREG(TMDS_TRANSMITTER_CNTL, mode->tmds_transmitter_cntl);
1411 radeon_screen_blank(rinfo, FB_BLANK_UNBLANK, 0);
1413 radeon_fifo_wait(2);
1414 OUTPLL(VCLK_ECP_CNTL, mode->vclk_ecp_cntl);
1420 * Calculate the PLL values for a given mode
1422 static void radeon_calc_pll_regs(struct radeonfb_info *rinfo, struct radeon_regs *regs,
1440 int fb_div, pll_output_freq = 0;
1443 /* Check if the DVO port is enabled and sourced from the primary CRTC. I'm
1444 * not sure which model starts having FP2_GEN_CNTL, I assume anything more
1445 * recent than an r(v)100...
1448 /* XXX I had reports of flicker happening with the cinema display
1449 * on TMDS1 that seem to be fixed if I also forbit odd dividers in
1450 * this case. This could just be a bandwidth calculation issue, I
1451 * haven't implemented the bandwidth code yet, but in the meantime,
1452 * forcing uses_dvo to 1 fixes it and shouln't have bad side effects,
1453 * I haven't seen a case were were absolutely needed an odd PLL
1454 * divider. I'll find a better fix once I have more infos on the
1455 * real cause of the problem.
1457 while (rinfo->has_CRTC2) {
1458 u32 fp2_gen_cntl = INREG(FP2_GEN_CNTL);
1459 u32 disp_output_cntl;
1462 /* FP2 path not enabled */
1463 if ((fp2_gen_cntl & FP2_ON) == 0)
1465 /* Not all chip revs have the same format for this register,
1466 * extract the source selection
1468 if (rinfo->family == CHIP_FAMILY_R200 ||
1469 rinfo->family == CHIP_FAMILY_R300 ||
1470 rinfo->family == CHIP_FAMILY_R350 ||
1471 rinfo->family == CHIP_FAMILY_RV350) {
1472 source = (fp2_gen_cntl >> 10) & 0x3;
1473 /* sourced from transform unit, check for transform unit
1477 disp_output_cntl = INREG(DISP_OUTPUT_CNTL);
1478 source = (disp_output_cntl >> 12) & 0x3;
1481 source = (fp2_gen_cntl >> 13) & 0x1;
1482 /* sourced from CRTC2 -> exit */
1486 /* so we end up on CRTC1, let's set uses_dvo to 1 now */
1493 if (freq > rinfo->pll.ppll_max)
1494 freq = rinfo->pll.ppll_max;
1495 if (freq*12 < rinfo->pll.ppll_min)
1496 freq = rinfo->pll.ppll_min / 12;
1497 RTRACE("freq = %lu, PLL min = %u, PLL max = %u\n",
1498 freq, rinfo->pll.ppll_min, rinfo->pll.ppll_max);
1500 for (post_div = &post_divs[0]; post_div->divider; ++post_div) {
1501 pll_output_freq = post_div->divider * freq;
1502 /* If we output to the DVO port (external TMDS), we don't allow an
1503 * odd PLL divider as those aren't supported on this path
1505 if (uses_dvo && (post_div->divider & 1))
1507 if (pll_output_freq >= rinfo->pll.ppll_min &&
1508 pll_output_freq <= rinfo->pll.ppll_max)
1512 /* If we fall through the bottom, try the "default value"
1513 given by the terminal post_div->bitvalue */
1514 if ( !post_div->divider ) {
1515 post_div = &post_divs[post_div->bitvalue];
1516 pll_output_freq = post_div->divider * freq;
1518 RTRACE("ref_div = %d, ref_clk = %d, output_freq = %d\n",
1519 rinfo->pll.ref_div, rinfo->pll.ref_clk,
1522 /* If we fall through the bottom, try the "default value"
1523 given by the terminal post_div->bitvalue */
1524 if ( !post_div->divider ) {
1525 post_div = &post_divs[post_div->bitvalue];
1526 pll_output_freq = post_div->divider * freq;
1528 RTRACE("ref_div = %d, ref_clk = %d, output_freq = %d\n",
1529 rinfo->pll.ref_div, rinfo->pll.ref_clk,
1532 fb_div = round_div(rinfo->pll.ref_div*pll_output_freq,
1533 rinfo->pll.ref_clk);
1534 regs->ppll_ref_div = rinfo->pll.ref_div;
1535 regs->ppll_div_3 = fb_div | (post_div->bitvalue << 16);
1537 RTRACE("post div = 0x%x\n", post_div->bitvalue);
1538 RTRACE("fb_div = 0x%x\n", fb_div);
1539 RTRACE("ppll_div_3 = 0x%x\n", regs->ppll_div_3);
1542 static int radeonfb_set_par(struct fb_info *info)
1544 struct radeonfb_info *rinfo = info->par;
1545 struct fb_var_screeninfo *mode = &info->var;
1546 struct radeon_regs *newmode;
1547 int hTotal, vTotal, hSyncStart, hSyncEnd,
1548 hSyncPol, vSyncStart, vSyncEnd, vSyncPol, cSync;
1549 u8 hsync_adj_tab[] = {0, 0x12, 9, 9, 6, 5};
1550 u8 hsync_fudge_fp[] = {2, 2, 0, 0, 5, 5};
1551 u32 sync, h_sync_pol, v_sync_pol, dotClock, pixClock;
1555 int hsync_start, hsync_fudge, bytpp, hsync_wid, vsync_wid;
1556 int primary_mon = PRIMARY_MONITOR(rinfo);
1557 int depth = var_to_depth(mode);
1560 newmode = kmalloc(sizeof(struct radeon_regs), GFP_KERNEL);
1564 /* We always want engine to be idle on a mode switch, even
1565 * if we won't actually change the mode
1567 radeon_engine_idle();
1569 hSyncStart = mode->xres + mode->right_margin;
1570 hSyncEnd = hSyncStart + mode->hsync_len;
1571 hTotal = hSyncEnd + mode->left_margin;
1573 vSyncStart = mode->yres + mode->lower_margin;
1574 vSyncEnd = vSyncStart + mode->vsync_len;
1575 vTotal = vSyncEnd + mode->upper_margin;
1576 pixClock = mode->pixclock;
1579 h_sync_pol = sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
1580 v_sync_pol = sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
1582 if (primary_mon == MT_DFP || primary_mon == MT_LCD) {
1583 if (rinfo->panel_info.xres < mode->xres)
1584 mode->xres = rinfo->panel_info.xres;
1585 if (rinfo->panel_info.yres < mode->yres)
1586 mode->yres = rinfo->panel_info.yres;
1588 hTotal = mode->xres + rinfo->panel_info.hblank;
1589 hSyncStart = mode->xres + rinfo->panel_info.hOver_plus;
1590 hSyncEnd = hSyncStart + rinfo->panel_info.hSync_width;
1592 vTotal = mode->yres + rinfo->panel_info.vblank;
1593 vSyncStart = mode->yres + rinfo->panel_info.vOver_plus;
1594 vSyncEnd = vSyncStart + rinfo->panel_info.vSync_width;
1596 h_sync_pol = !rinfo->panel_info.hAct_high;
1597 v_sync_pol = !rinfo->panel_info.vAct_high;
1599 pixClock = 100000000 / rinfo->panel_info.clock;
1601 if (rinfo->panel_info.use_bios_dividers) {
1603 newmode->ppll_div_3 = rinfo->panel_info.fbk_divider |
1604 (rinfo->panel_info.post_divider << 16);
1605 newmode->ppll_ref_div = rinfo->panel_info.ref_divider;
1608 dotClock = 1000000000 / pixClock;
1609 freq = dotClock / 10; /* x100 */
1611 RTRACE("hStart = %d, hEnd = %d, hTotal = %d\n",
1612 hSyncStart, hSyncEnd, hTotal);
1613 RTRACE("vStart = %d, vEnd = %d, vTotal = %d\n",
1614 vSyncStart, vSyncEnd, vTotal);
1616 hsync_wid = (hSyncEnd - hSyncStart) / 8;
1617 vsync_wid = vSyncEnd - vSyncStart;
1620 else if (hsync_wid > 0x3f) /* max */
1625 else if (vsync_wid > 0x1f) /* max */
1628 hSyncPol = mode->sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
1629 vSyncPol = mode->sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
1631 cSync = mode->sync & FB_SYNC_COMP_HIGH_ACT ? (1 << 4) : 0;
1633 format = radeon_get_dstbpp(depth);
1634 bytpp = mode->bits_per_pixel >> 3;
1636 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD))
1637 hsync_fudge = hsync_fudge_fp[format-1];
1639 hsync_fudge = hsync_adj_tab[format-1];
1641 hsync_start = hSyncStart - 8 + hsync_fudge;
1643 newmode->crtc_gen_cntl = CRTC_EXT_DISP_EN | CRTC_EN |
1646 /* Clear auto-center etc... */
1647 newmode->crtc_more_cntl = rinfo->init_state.crtc_more_cntl;
1648 newmode->crtc_more_cntl &= 0xfffffff0;
1650 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
1651 newmode->crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN;
1653 newmode->crtc_ext_cntl |= CRTC_CRT_ON;
1655 newmode->crtc_gen_cntl &= ~(CRTC_DBL_SCAN_EN |
1658 newmode->crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN |
1662 newmode->dac_cntl = /* INREG(DAC_CNTL) | */ DAC_MASK_ALL | DAC_VGA_ADR_EN |
1665 newmode->crtc_h_total_disp = ((((hTotal / 8) - 1) & 0x3ff) |
1666 (((mode->xres / 8) - 1) << 16));
1668 newmode->crtc_h_sync_strt_wid = ((hsync_start & 0x1fff) |
1669 (hsync_wid << 16) | (h_sync_pol << 23));
1671 newmode->crtc_v_total_disp = ((vTotal - 1) & 0xffff) |
1672 ((mode->yres - 1) << 16);
1674 newmode->crtc_v_sync_strt_wid = (((vSyncStart - 1) & 0xfff) |
1675 (vsync_wid << 16) | (v_sync_pol << 23));
1677 if (!(info->flags & FBINFO_HWACCEL_DISABLED)) {
1678 /* We first calculate the engine pitch */
1679 rinfo->pitch = ((mode->xres_virtual * ((mode->bits_per_pixel + 1) / 8) + 0x3f)
1682 /* Then, re-multiply it to get the CRTC pitch */
1683 newmode->crtc_pitch = (rinfo->pitch << 3) / ((mode->bits_per_pixel + 1) / 8);
1685 newmode->crtc_pitch = (mode->xres_virtual >> 3);
1687 newmode->crtc_pitch |= (newmode->crtc_pitch << 16);
1690 * It looks like recent chips have a problem with SURFACE_CNTL,
1691 * setting SURF_TRANSLATION_DIS completely disables the
1692 * swapper as well, so we leave it unset now.
1694 newmode->surface_cntl = 0;
1696 #if defined(__BIG_ENDIAN)
1698 /* Setup swapping on both apertures, though we currently
1699 * only use aperture 0, enabling swapper on aperture 1
1702 switch (mode->bits_per_pixel) {
1704 newmode->surface_cntl |= NONSURF_AP0_SWP_16BPP;
1705 newmode->surface_cntl |= NONSURF_AP1_SWP_16BPP;
1709 newmode->surface_cntl |= NONSURF_AP0_SWP_32BPP;
1710 newmode->surface_cntl |= NONSURF_AP1_SWP_32BPP;
1715 /* Clear surface registers */
1716 for (i=0; i<8; i++) {
1717 newmode->surf_lower_bound[i] = 0;
1718 newmode->surf_upper_bound[i] = 0x1f;
1719 newmode->surf_info[i] = 0;
1722 RTRACE("h_total_disp = 0x%x\t hsync_strt_wid = 0x%x\n",
1723 newmode->crtc_h_total_disp, newmode->crtc_h_sync_strt_wid);
1724 RTRACE("v_total_disp = 0x%x\t vsync_strt_wid = 0x%x\n",
1725 newmode->crtc_v_total_disp, newmode->crtc_v_sync_strt_wid);
1727 rinfo->bpp = mode->bits_per_pixel;
1728 rinfo->depth = depth;
1730 RTRACE("pixclock = %lu\n", (unsigned long)pixClock);
1731 RTRACE("freq = %lu\n", (unsigned long)freq);
1733 /* We use PPLL_DIV_3 */
1734 newmode->clk_cntl_index = 0x300;
1736 /* Calculate PPLL value if necessary */
1738 radeon_calc_pll_regs(rinfo, newmode, freq);
1740 newmode->vclk_ecp_cntl = rinfo->init_state.vclk_ecp_cntl;
1742 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
1743 unsigned int hRatio, vRatio;
1745 if (mode->xres > rinfo->panel_info.xres)
1746 mode->xres = rinfo->panel_info.xres;
1747 if (mode->yres > rinfo->panel_info.yres)
1748 mode->yres = rinfo->panel_info.yres;
1750 newmode->fp_horz_stretch = (((rinfo->panel_info.xres / 8) - 1)
1751 << HORZ_PANEL_SHIFT);
1752 newmode->fp_vert_stretch = ((rinfo->panel_info.yres - 1)
1753 << VERT_PANEL_SHIFT);
1755 if (mode->xres != rinfo->panel_info.xres) {
1756 hRatio = round_div(mode->xres * HORZ_STRETCH_RATIO_MAX,
1757 rinfo->panel_info.xres);
1758 newmode->fp_horz_stretch = (((((unsigned long)hRatio) & HORZ_STRETCH_RATIO_MASK)) |
1759 (newmode->fp_horz_stretch &
1760 (HORZ_PANEL_SIZE | HORZ_FP_LOOP_STRETCH |
1761 HORZ_AUTO_RATIO_INC)));
1762 newmode->fp_horz_stretch |= (HORZ_STRETCH_BLEND |
1763 HORZ_STRETCH_ENABLE);
1766 newmode->fp_horz_stretch &= ~HORZ_AUTO_RATIO;
1768 if (mode->yres != rinfo->panel_info.yres) {
1769 vRatio = round_div(mode->yres * VERT_STRETCH_RATIO_MAX,
1770 rinfo->panel_info.yres);
1771 newmode->fp_vert_stretch = (((((unsigned long)vRatio) & VERT_STRETCH_RATIO_MASK)) |
1772 (newmode->fp_vert_stretch &
1773 (VERT_PANEL_SIZE | VERT_STRETCH_RESERVED)));
1774 newmode->fp_vert_stretch |= (VERT_STRETCH_BLEND |
1775 VERT_STRETCH_ENABLE);
1778 newmode->fp_vert_stretch &= ~VERT_AUTO_RATIO_EN;
1780 newmode->fp_gen_cntl = (rinfo->init_state.fp_gen_cntl & (u32)
1782 FP_RMX_HVSYNC_CONTROL_EN |
1787 FP_CRTC_USE_SHADOW_VEND |
1790 newmode->fp_gen_cntl |= (FP_CRTC_DONT_SHADOW_VPAR |
1791 FP_CRTC_DONT_SHADOW_HEND |
1794 if (IS_R300_VARIANT(rinfo) ||
1795 (rinfo->family == CHIP_FAMILY_R200)) {
1796 newmode->fp_gen_cntl &= ~R200_FP_SOURCE_SEL_MASK;
1798 newmode->fp_gen_cntl |= R200_FP_SOURCE_SEL_RMX;
1800 newmode->fp_gen_cntl |= R200_FP_SOURCE_SEL_CRTC1;
1802 newmode->fp_gen_cntl |= FP_SEL_CRTC1;
1804 newmode->lvds_gen_cntl = rinfo->init_state.lvds_gen_cntl;
1805 newmode->lvds_pll_cntl = rinfo->init_state.lvds_pll_cntl;
1806 newmode->tmds_crc = rinfo->init_state.tmds_crc;
1807 newmode->tmds_transmitter_cntl = rinfo->init_state.tmds_transmitter_cntl;
1809 if (primary_mon == MT_LCD) {
1810 newmode->lvds_gen_cntl |= (LVDS_ON | LVDS_BLON);
1811 newmode->fp_gen_cntl &= ~(FP_FPON | FP_TMDS_EN);
1814 newmode->fp_gen_cntl |= (FP_FPON | FP_TMDS_EN);
1815 newmode->tmds_transmitter_cntl &= ~(TMDS_PLLRST);
1816 /* TMDS_PLL_EN bit is reversed on RV (and mobility) chips */
1817 if (IS_R300_VARIANT(rinfo) ||
1818 (rinfo->family == CHIP_FAMILY_R200) || !rinfo->has_CRTC2)
1819 newmode->tmds_transmitter_cntl &= ~TMDS_PLL_EN;
1821 newmode->tmds_transmitter_cntl |= TMDS_PLL_EN;
1822 newmode->crtc_ext_cntl &= ~CRTC_CRT_ON;
1825 newmode->fp_crtc_h_total_disp = (((rinfo->panel_info.hblank / 8) & 0x3ff) |
1826 (((mode->xres / 8) - 1) << 16));
1827 newmode->fp_crtc_v_total_disp = (rinfo->panel_info.vblank & 0xffff) |
1828 ((mode->yres - 1) << 16);
1829 newmode->fp_h_sync_strt_wid = ((rinfo->panel_info.hOver_plus & 0x1fff) |
1830 (hsync_wid << 16) | (h_sync_pol << 23));
1831 newmode->fp_v_sync_strt_wid = ((rinfo->panel_info.vOver_plus & 0xfff) |
1832 (vsync_wid << 16) | (v_sync_pol << 23));
1836 if (!rinfo->asleep) {
1837 memcpy(&rinfo->state, newmode, sizeof(*newmode));
1838 radeon_write_mode (rinfo, newmode, 0);
1839 /* (re)initialize the engine */
1840 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
1841 radeonfb_engine_init (rinfo);
1844 if (!(info->flags & FBINFO_HWACCEL_DISABLED))
1845 info->fix.line_length = rinfo->pitch*64;
1847 info->fix.line_length = mode->xres_virtual
1848 * ((mode->bits_per_pixel + 1) / 8);
1849 info->fix.visual = rinfo->depth == 8 ? FB_VISUAL_PSEUDOCOLOR
1850 : FB_VISUAL_DIRECTCOLOR;
1852 #ifdef CONFIG_BOOTX_TEXT
1853 /* Update debug text engine */
1854 btext_update_display(rinfo->fb_base_phys, mode->xres, mode->yres,
1855 rinfo->depth, info->fix.line_length);
1863 static struct fb_ops radeonfb_ops = {
1864 .owner = THIS_MODULE,
1865 .fb_check_var = radeonfb_check_var,
1866 .fb_set_par = radeonfb_set_par,
1867 .fb_setcolreg = radeonfb_setcolreg,
1868 .fb_setcmap = radeonfb_setcmap,
1869 .fb_pan_display = radeonfb_pan_display,
1870 .fb_blank = radeonfb_blank,
1871 .fb_ioctl = radeonfb_ioctl,
1872 .fb_sync = radeonfb_sync,
1873 .fb_fillrect = radeonfb_fillrect,
1874 .fb_copyarea = radeonfb_copyarea,
1875 .fb_imageblit = radeonfb_imageblit,
1876 .fb_cursor = soft_cursor,
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_regions(pdev, "radeonfb");
2317 printk( KERN_ERR "radeonfb (%s): cannot reserve PCI regions."
2318 " Someone already got them?\n", pci_name(rinfo->pdev));
2319 goto err_release_fb;
2322 /* map the regions */
2323 rinfo->mmio_base = ioremap(rinfo->mmio_base_phys, RADEON_REGSIZE);
2324 if (!rinfo->mmio_base) {
2325 printk(KERN_ERR "radeonfb (%s): cannot map MMIO\n", pci_name(rinfo->pdev));
2327 goto err_release_pci;
2330 rinfo->fb_local_base = INREG(MC_FB_LOCATION) << 16;
2336 if (rinfo->family == CHIP_FAMILY_R300 &&
2337 (INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK)
2339 rinfo->errata |= CHIP_ERRATA_R300_CG;
2341 if (rinfo->family == CHIP_FAMILY_RV200 ||
2342 rinfo->family == CHIP_FAMILY_RS200)
2343 rinfo->errata |= CHIP_ERRATA_PLL_DUMMYREADS;
2345 if (rinfo->family == CHIP_FAMILY_RV100 ||
2346 rinfo->family == CHIP_FAMILY_RS100 ||
2347 rinfo->family == CHIP_FAMILY_RS200)
2348 rinfo->errata |= CHIP_ERRATA_PLL_DELAY;
2350 #ifdef CONFIG_PPC_OF
2351 /* On PPC, we obtain the OF device-node pointer to the firmware
2352 * data for this chip
2354 rinfo->of_node = pci_device_to_OF_node(pdev);
2355 if (rinfo->of_node == NULL)
2356 printk(KERN_WARNING "radeonfb (%s): Cannot match card to OF node !\n",
2357 pci_name(rinfo->pdev));
2359 /* On PPC, the firmware sets up a memory mapping that tends
2360 * to cause lockups when enabling the engine. We reconfigure
2361 * the card internal memory mappings properly
2363 fixup_memory_mappings(rinfo);
2364 #endif /* CONFIG_PPC_OF */
2366 /* Get VRAM size and type */
2367 radeon_identify_vram(rinfo);
2369 rinfo->mapped_vram = min_t(unsigned long, MAX_MAPPED_VRAM, rinfo->video_ram);
2372 rinfo->fb_base = ioremap (rinfo->fb_base_phys,
2373 rinfo->mapped_vram);
2374 } while ( rinfo->fb_base == 0 &&
2375 ((rinfo->mapped_vram /=2) >= MIN_MAPPED_VRAM) );
2377 if (rinfo->fb_base == NULL) {
2378 printk (KERN_ERR "radeonfb (%s): cannot map FB\n",
2379 pci_name(rinfo->pdev));
2384 RTRACE("radeonfb (%s): mapped %ldk videoram\n", pci_name(rinfo->pdev),
2385 rinfo->mapped_vram/1024);
2388 * Map the BIOS ROM if any and retreive PLL parameters from
2389 * the BIOS. We skip that on mobility chips as the real panel
2390 * values we need aren't in the ROM but in the BIOS image in
2391 * memory. This is definitely not the best meacnism though,
2392 * we really need the arch code to tell us which is the "primary"
2393 * video adapter to use the memory image (or better, the arch
2394 * should provide us a copy of the BIOS image to shield us from
2395 * archs who would store that elsewhere and/or could initialize
2396 * more than one adapter during boot).
2398 if (!rinfo->is_mobility)
2399 radeon_map_ROM(rinfo, pdev);
2402 * On x86, the primary display on laptop may have it's BIOS
2403 * ROM elsewhere, try to locate it at the legacy memory hole.
2404 * We probably need to make sure this is the primary display,
2405 * but that is difficult without some arch support.
2408 if (rinfo->bios_seg == NULL)
2409 radeon_find_mem_vbios(rinfo);
2412 /* If both above failed, try the BIOS ROM again for mobility
2415 if (rinfo->bios_seg == NULL && rinfo->is_mobility)
2416 radeon_map_ROM(rinfo, pdev);
2418 /* Get informations about the board's PLL */
2419 radeon_get_pllinfo(rinfo);
2421 #ifdef CONFIG_FB_RADEON_I2C
2422 /* Register I2C bus */
2423 radeon_create_i2c_busses(rinfo);
2426 /* set all the vital stuff */
2427 radeon_set_fbinfo (rinfo);
2429 /* Probe screen types */
2430 radeon_probe_screens(rinfo, monitor_layout, ignore_edid);
2432 /* Build mode list, check out panel native model */
2433 radeon_check_modes(rinfo, mode_option);
2435 /* Register some sysfs stuff (should be done better) */
2436 if (rinfo->mon1_EDID)
2437 sysfs_create_bin_file(&rinfo->pdev->dev.kobj, &edid1_attr);
2438 if (rinfo->mon2_EDID)
2439 sysfs_create_bin_file(&rinfo->pdev->dev.kobj, &edid2_attr);
2441 /* save current mode regs before we switch into the new one
2442 * so we can restore this upon __exit
2444 radeon_save_state (rinfo, &rinfo->init_state);
2445 memcpy(&rinfo->state, &rinfo->init_state, sizeof(struct radeon_regs));
2447 /* Setup Power Management capabilities */
2448 if (default_dynclk < -1) {
2449 /* -2 is special: means ON on mobility chips and do not
2452 radeonfb_pm_init(rinfo, rinfo->is_mobility ? 1 : -1);
2454 radeonfb_pm_init(rinfo, default_dynclk);
2456 pci_set_drvdata(pdev, info);
2458 /* Register with fbdev layer */
2459 ret = register_framebuffer(info);
2461 printk (KERN_ERR "radeonfb (%s): could not register framebuffer\n",
2462 pci_name(rinfo->pdev));
2467 rinfo->mtrr_hdl = nomtrr ? -1 : mtrr_add(rinfo->fb_base_phys,
2469 MTRR_TYPE_WRCOMB, 1);
2472 #ifdef CONFIG_PMAC_BACKLIGHT
2473 if (rinfo->mon1_type == MT_LCD) {
2474 register_backlight_controller(&radeon_backlight_controller,
2476 register_backlight_controller(&radeon_backlight_controller,
2481 printk ("radeonfb (%s): %s\n", pci_name(rinfo->pdev), rinfo->name);
2483 if (rinfo->bios_seg)
2484 radeon_unmap_ROM(rinfo, pdev);
2485 RTRACE("radeonfb_pci_register END\n");
2489 iounmap(rinfo->fb_base);
2491 kfree(rinfo->mon1_EDID);
2492 kfree(rinfo->mon2_EDID);
2493 if (rinfo->mon1_modedb)
2494 fb_destroy_modedb(rinfo->mon1_modedb);
2495 fb_dealloc_cmap(&info->cmap);
2496 #ifdef CONFIG_FB_RADEON_I2C
2497 radeon_delete_i2c_busses(rinfo);
2499 if (rinfo->bios_seg)
2500 radeon_unmap_ROM(rinfo, pdev);
2501 iounmap(rinfo->mmio_base);
2503 pci_release_regions(pdev);
2505 framebuffer_release(info);
2507 pci_disable_device(pdev);
2514 static void __devexit radeonfb_pci_unregister (struct pci_dev *pdev)
2516 struct fb_info *info = pci_get_drvdata(pdev);
2517 struct radeonfb_info *rinfo = info->par;
2522 radeonfb_pm_exit(rinfo);
2524 if (rinfo->mon1_EDID)
2525 sysfs_remove_bin_file(&rinfo->pdev->dev.kobj, &edid1_attr);
2526 if (rinfo->mon2_EDID)
2527 sysfs_remove_bin_file(&rinfo->pdev->dev.kobj, &edid2_attr);
2530 /* restore original state
2532 * Doesn't quite work yet, I suspect if we come from a legacy
2533 * VGA mode (or worse, text mode), we need to do some VGA black
2534 * magic here that I know nothing about. --BenH
2536 radeon_write_mode (rinfo, &rinfo->init_state, 1);
2539 del_timer_sync(&rinfo->lvds_timer);
2542 if (rinfo->mtrr_hdl >= 0)
2543 mtrr_del(rinfo->mtrr_hdl, 0, 0);
2546 unregister_framebuffer(info);
2548 iounmap(rinfo->mmio_base);
2549 iounmap(rinfo->fb_base);
2551 pci_release_regions(pdev);
2553 kfree(rinfo->mon1_EDID);
2554 kfree(rinfo->mon2_EDID);
2555 if (rinfo->mon1_modedb)
2556 fb_destroy_modedb(rinfo->mon1_modedb);
2557 #ifdef CONFIG_FB_RADEON_I2C
2558 radeon_delete_i2c_busses(rinfo);
2560 fb_dealloc_cmap(&info->cmap);
2561 framebuffer_release(info);
2562 pci_disable_device(pdev);
2566 static struct pci_driver radeonfb_driver = {
2568 .id_table = radeonfb_pci_table,
2569 .probe = radeonfb_pci_register,
2570 .remove = __devexit_p(radeonfb_pci_unregister),
2572 .suspend = radeonfb_pci_suspend,
2573 .resume = radeonfb_pci_resume,
2574 #endif /* CONFIG_PM */
2578 static int __init radeonfb_setup (char *options)
2582 if (!options || !*options)
2585 while ((this_opt = strsep (&options, ",")) != NULL) {
2589 if (!strncmp(this_opt, "noaccel", 7)) {
2591 } else if (!strncmp(this_opt, "mirror", 6)) {
2593 } else if (!strncmp(this_opt, "force_dfp", 9)) {
2595 } else if (!strncmp(this_opt, "panel_yres:", 11)) {
2596 panel_yres = simple_strtoul((this_opt+11), NULL, 0);
2598 } else if (!strncmp(this_opt, "nomtrr", 6)) {
2601 } else if (!strncmp(this_opt, "nomodeset", 9)) {
2603 } else if (!strncmp(this_opt, "force_measure_pll", 17)) {
2604 force_measure_pll = 1;
2605 } else if (!strncmp(this_opt, "ignore_edid", 11)) {
2608 mode_option = this_opt;
2614 static int __init radeonfb_init (void)
2617 char *option = NULL;
2619 if (fb_get_options("radeonfb", &option))
2621 radeonfb_setup(option);
2623 return pci_register_driver (&radeonfb_driver);
2627 static void __exit radeonfb_exit (void)
2629 pci_unregister_driver (&radeonfb_driver);
2632 module_init(radeonfb_init);
2633 module_exit(radeonfb_exit);
2635 MODULE_AUTHOR("Ani Joshi");
2636 MODULE_DESCRIPTION("framebuffer driver for ATI Radeon chipset");
2637 MODULE_LICENSE("GPL");
2638 module_param(noaccel, bool, 0);
2639 module_param(default_dynclk, int, 0);
2640 MODULE_PARM_DESC(default_dynclk, "int: -2=enable on mobility only,-1=do not change,0=off,1=on");
2641 MODULE_PARM_DESC(noaccel, "bool: disable acceleration");
2642 module_param(nomodeset, bool, 0);
2643 MODULE_PARM_DESC(nomodeset, "bool: disable actual setting of video mode");
2644 module_param(mirror, bool, 0);
2645 MODULE_PARM_DESC(mirror, "bool: mirror the display to both monitors");
2646 module_param(force_dfp, bool, 0);
2647 MODULE_PARM_DESC(force_dfp, "bool: force display to dfp");
2648 module_param(ignore_edid, bool, 0);
2649 MODULE_PARM_DESC(ignore_edid, "bool: Ignore EDID data when doing DDC probe");
2650 module_param(monitor_layout, charp, 0);
2651 MODULE_PARM_DESC(monitor_layout, "Specify monitor mapping (like XFree86)");
2652 module_param(force_measure_pll, bool, 0);
2653 MODULE_PARM_DESC(force_measure_pll, "Force measurement of PLL (debug)");
2655 module_param(nomtrr, bool, 0);
2656 MODULE_PARM_DESC(nomtrr, "bool: disable use of MTRR registers");
2658 module_param(panel_yres, int, 0);
2659 MODULE_PARM_DESC(panel_yres, "int: set panel yres");
2660 module_param(mode_option, charp, 0);
2661 MODULE_PARM_DESC(mode_option, "Specify resolution as \"<xres>x<yres>[-<bpp>][@<refresh>]\" ");