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authorMichael Hanselmann <linux-kernel@hansmi.ch>2006-03-31 05:31:55 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-31 15:19:01 -0500
commit39451a73a2d190763ba8a98f486cf23d63d22582 (patch)
treea395398b3dfb7c39c2a011515f0679d4a8cd65b8 /drivers/video
parenta536093a2f07007aa572e922752b7491b9ea8ff2 (diff)
[PATCH] fbdev: Remove old radeon driver
This patch removes the old radeon driver which has been replaced by a newer one. Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/Kconfig12
-rw-r--r--drivers/video/Makefile1
-rw-r--r--drivers/video/radeonfb.c3167
3 files changed, 0 insertions, 3180 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 22e9d696fdd2..f87c0171f4ec 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -904,18 +904,6 @@ config FB_MATROX_MULTIHEAD
904 There is no need for enabling 'Matrox multihead support' if you have 904 There is no need for enabling 'Matrox multihead support' if you have
905 only one Matrox card in the box. 905 only one Matrox card in the box.
906 906
907config FB_RADEON_OLD
908 tristate "ATI Radeon display support (Old driver)"
909 depends on FB && PCI
910 select FB_CFB_FILLRECT
911 select FB_CFB_COPYAREA
912 select FB_CFB_IMAGEBLIT
913 select FB_MACMODES if PPC
914 help
915 Choose this option if you want to use an ATI Radeon graphics card as
916 a framebuffer device. There are both PCI and AGP versions. You
917 don't need to choose this to run the Radeon in plain VGA mode.
918
919config FB_RADEON 907config FB_RADEON
920 tristate "ATI Radeon display support" 908 tristate "ATI Radeon display support"
921 depends on FB && PCI 909 depends on FB && PCI
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index cb90218515ac..23de3b2c7856 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -39,7 +39,6 @@ obj-$(CONFIG_FB_KYRO) += kyro/
39obj-$(CONFIG_FB_SAVAGE) += savage/ 39obj-$(CONFIG_FB_SAVAGE) += savage/
40obj-$(CONFIG_FB_GEODE) += geode/ 40obj-$(CONFIG_FB_GEODE) += geode/
41obj-$(CONFIG_FB_I810) += vgastate.o 41obj-$(CONFIG_FB_I810) += vgastate.o
42obj-$(CONFIG_FB_RADEON_OLD) += radeonfb.o
43obj-$(CONFIG_FB_NEOMAGIC) += neofb.o vgastate.o 42obj-$(CONFIG_FB_NEOMAGIC) += neofb.o vgastate.o
44obj-$(CONFIG_FB_VIRGE) += virgefb.o 43obj-$(CONFIG_FB_VIRGE) += virgefb.o
45obj-$(CONFIG_FB_3DFX) += tdfxfb.o 44obj-$(CONFIG_FB_3DFX) += tdfxfb.o
diff --git a/drivers/video/radeonfb.c b/drivers/video/radeonfb.c
deleted file mode 100644
index afb6c2ead599..000000000000
--- a/drivers/video/radeonfb.c
+++ /dev/null
@@ -1,3167 +0,0 @@
1/*
2 * drivers/video/radeonfb.c
3 * framebuffer driver for ATI Radeon chipset video boards
4 *
5 * Copyright 2000 Ani Joshi <ajoshi@kernel.crashing.org>
6 *
7 *
8 * ChangeLog:
9 * 2000-08-03 initial version 0.0.1
10 * 2000-09-10 more bug fixes, public release 0.0.5
11 * 2001-02-19 mode bug fixes, 0.0.7
12 * 2001-07-05 fixed scrolling issues, engine initialization,
13 * and minor mode tweaking, 0.0.9
14 * 2001-09-07 Radeon VE support, Nick Kurshev
15 * blanking, pan_display, and cmap fixes, 0.1.0
16 * 2001-10-10 Radeon 7500 and 8500 support, and experimental
17 * flat panel support, 0.1.1
18 * 2001-11-17 Radeon M6 (ppc) support, Daniel Berlin, 0.1.2
19 * 2001-11-18 DFP fixes, Kevin Hendricks, 0.1.3
20 * 2001-11-29 more cmap, backlight fixes, Benjamin Herrenschmidt
21 * 2002-01-18 DFP panel detection via BIOS, Michael Clark, 0.1.4
22 * 2002-06-02 console switching, mode set fixes, accel fixes
23 * 2002-06-03 MTRR support, Peter Horton, 0.1.5
24 * 2002-09-21 rv250, r300, m9 initial support,
25 * added mirror option, 0.1.6
26 *
27 * Special thanks to ATI DevRel team for their hardware donations.
28 *
29 */
30
31
32#define RADEON_VERSION "0.1.6"
33
34
35#include <linux/config.h>
36#include <linux/module.h>
37#include <linux/kernel.h>
38#include <linux/errno.h>
39#include <linux/string.h>
40#include <linux/mm.h>
41#include <linux/tty.h>
42#include <linux/slab.h>
43#include <linux/delay.h>
44#include <linux/fb.h>
45#include <linux/ioport.h>
46#include <linux/init.h>
47#include <linux/pci.h>
48#include <linux/vmalloc.h>
49
50#include <asm/io.h>
51#include <asm/uaccess.h>
52#if defined(__powerpc__)
53#include <asm/prom.h>
54#include <asm/pci-bridge.h>
55#include "macmodes.h"
56
57#ifdef CONFIG_NVRAM
58#include <linux/nvram.h>
59#endif
60
61#ifdef CONFIG_PMAC_BACKLIGHT
62#include <asm/backlight.h>
63#endif
64
65#ifdef CONFIG_BOOTX_TEXT
66#include <asm/btext.h>
67#endif
68
69#ifdef CONFIG_ADB_PMU
70#include <linux/adb.h>
71#include <linux/pmu.h>
72#endif
73
74#endif /* __powerpc__ */
75
76#ifdef CONFIG_MTRR
77#include <asm/mtrr.h>
78#endif
79
80#include <video/radeon.h>
81#include <linux/radeonfb.h>
82
83#define DEBUG 0
84
85#if DEBUG
86#define RTRACE printk
87#else
88#define RTRACE if(0) printk
89#endif
90
91// XXX
92#undef CONFIG_PMAC_PBOOK
93
94
95enum radeon_chips {
96 RADEON_QD,
97 RADEON_QE,
98 RADEON_QF,
99 RADEON_QG,
100 RADEON_QY,
101 RADEON_QZ,
102 RADEON_LW,
103 RADEON_LX,
104 RADEON_LY,
105 RADEON_LZ,
106 RADEON_QL,
107 RADEON_QN,
108 RADEON_QO,
109 RADEON_Ql,
110 RADEON_BB,
111 RADEON_QW,
112 RADEON_QX,
113 RADEON_Id,
114 RADEON_Ie,
115 RADEON_If,
116 RADEON_Ig,
117 RADEON_Ya,
118 RADEON_Yd,
119 RADEON_Ld,
120 RADEON_Le,
121 RADEON_Lf,
122 RADEON_Lg,
123 RADEON_ND,
124 RADEON_NE,
125 RADEON_NF,
126 RADEON_NG,
127 RADEON_QM
128};
129
130enum radeon_arch {
131 RADEON_R100,
132 RADEON_RV100,
133 RADEON_R200,
134 RADEON_RV200,
135 RADEON_RV250,
136 RADEON_R300,
137 RADEON_M6,
138 RADEON_M7,
139 RADEON_M9
140};
141
142static struct radeon_chip_info {
143 const char *name;
144 unsigned char arch;
145} radeon_chip_info[] __devinitdata = {
146 { "QD", RADEON_R100 },
147 { "QE", RADEON_R100 },
148 { "QF", RADEON_R100 },
149 { "QG", RADEON_R100 },
150 { "VE QY", RADEON_RV100 },
151 { "VE QZ", RADEON_RV100 },
152 { "M7 LW", RADEON_M7 },
153 { "M7 LX", RADEON_M7 },
154 { "M6 LY", RADEON_M6 },
155 { "M6 LZ", RADEON_M6 },
156 { "8500 QL", RADEON_R200 },
157 { "8500 QN", RADEON_R200 },
158 { "8500 QO", RADEON_R200 },
159 { "8500 Ql", RADEON_R200 },
160 { "8500 BB", RADEON_R200 },
161 { "7500 QW", RADEON_RV200 },
162 { "7500 QX", RADEON_RV200 },
163 { "9000 Id", RADEON_RV250 },
164 { "9000 Ie", RADEON_RV250 },
165 { "9000 If", RADEON_RV250 },
166 { "9000 Ig", RADEON_RV250 },
167 { "M9 Ld", RADEON_M9 },
168 { "M9 Le", RADEON_M9 },
169 { "M9 Lf", RADEON_M9 },
170 { "M9 Lg", RADEON_M9 },
171 { "9700 ND", RADEON_R300 },
172 { "9700 NE", RADEON_R300 },
173 { "9700 NF", RADEON_R300 },
174 { "9700 NG", RADEON_R300 },
175 { "9100 QM", RADEON_R200 }
176};
177
178
179enum radeon_montype
180{
181 MT_NONE,
182 MT_CRT, /* CRT */
183 MT_LCD, /* LCD */
184 MT_DFP, /* DVI */
185 MT_CTV, /* composite TV */
186 MT_STV /* S-Video out */
187};
188
189
190static struct pci_device_id radeonfb_pci_table[] = {
191 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QD, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QD},
192 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QE},
193 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QF},
194 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QG, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QG},
195 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QY, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QY},
196 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QZ, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QZ},
197 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_LW, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_LW},
198 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_LX, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_LX},
199 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_LY, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_LY},
200 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_LZ, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_LZ},
201 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QL, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QL},
202 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QN, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QN},
203 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QO, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QO},
204 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Ql, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Ql},
205 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_BB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_BB},
206 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QW, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QW},
207 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QX, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QX},
208 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Id, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Id},
209 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Ie, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Ie},
210 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_If, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_If},
211 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Ig, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Ig},
212 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Ya, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Ya},
213 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Yd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Yd},
214 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Ld, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Ld},
215 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Le, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Le},
216 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Lf, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Lf},
217 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Lg, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Lg},
218 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_ND, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_ND},
219 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_NE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_NE},
220 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_NF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_NF},
221 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_NG, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_NG},
222 { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QM, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QM},
223 { 0, }
224};
225MODULE_DEVICE_TABLE(pci, radeonfb_pci_table);
226
227
228typedef struct {
229 u16 reg;
230 u32 val;
231} reg_val;
232
233
234/* these common regs are cleared before mode setting so they do not
235 * interfere with anything
236 */
237static reg_val common_regs[] = {
238 { OVR_CLR, 0 },
239 { OVR_WID_LEFT_RIGHT, 0 },
240 { OVR_WID_TOP_BOTTOM, 0 },
241 { OV0_SCALE_CNTL, 0 },
242 { SUBPIC_CNTL, 0 },
243 { VIPH_CONTROL, 0 },
244 { I2C_CNTL_1, 0 },
245 { GEN_INT_CNTL, 0 },
246 { CAP0_TRIG_CNTL, 0 },
247};
248
249static reg_val common_regs_m6[] = {
250 { OVR_CLR, 0 },
251 { OVR_WID_LEFT_RIGHT, 0 },
252 { OVR_WID_TOP_BOTTOM, 0 },
253 { OV0_SCALE_CNTL, 0 },
254 { SUBPIC_CNTL, 0 },
255 { GEN_INT_CNTL, 0 },
256 { CAP0_TRIG_CNTL, 0 }
257};
258
259typedef struct {
260 u8 clock_chip_type;
261 u8 struct_size;
262 u8 accelerator_entry;
263 u8 VGA_entry;
264 u16 VGA_table_offset;
265 u16 POST_table_offset;
266 u16 XCLK;
267 u16 MCLK;
268 u8 num_PLL_blocks;
269 u8 size_PLL_blocks;
270 u16 PCLK_ref_freq;
271 u16 PCLK_ref_divider;
272 u32 PCLK_min_freq;
273 u32 PCLK_max_freq;
274 u16 MCLK_ref_freq;
275 u16 MCLK_ref_divider;
276 u32 MCLK_min_freq;
277 u32 MCLK_max_freq;
278 u16 XCLK_ref_freq;
279 u16 XCLK_ref_divider;
280 u32 XCLK_min_freq;
281 u32 XCLK_max_freq;
282} __attribute__ ((packed)) PLL_BLOCK;
283
284
285struct pll_info {
286 int ppll_max;
287 int ppll_min;
288 int xclk;
289 int ref_div;
290 int ref_clk;
291};
292
293
294struct ram_info {
295 int ml;
296 int mb;
297 int trcd;
298 int trp;
299 int twr;
300 int cl;
301 int tr2w;
302 int loop_latency;
303 int rloop;
304};
305
306
307struct radeon_regs {
308 /* CRTC regs */
309 u32 crtc_h_total_disp;
310 u32 crtc_h_sync_strt_wid;
311 u32 crtc_v_total_disp;
312 u32 crtc_v_sync_strt_wid;
313 u32 crtc_pitch;
314 u32 crtc_gen_cntl;
315 u32 crtc_ext_cntl;
316 u32 dac_cntl;
317
318 u32 flags;
319 u32 pix_clock;
320 int xres, yres;
321
322 /* DDA regs */
323 u32 dda_config;
324 u32 dda_on_off;
325
326 /* PLL regs */
327 u32 ppll_div_3;
328 u32 ppll_ref_div;
329 u32 vclk_ecp_cntl;
330
331 /* Flat panel regs */
332 u32 fp_crtc_h_total_disp;
333 u32 fp_crtc_v_total_disp;
334 u32 fp_gen_cntl;
335 u32 fp_h_sync_strt_wid;
336 u32 fp_horz_stretch;
337 u32 fp_panel_cntl;
338 u32 fp_v_sync_strt_wid;
339 u32 fp_vert_stretch;
340 u32 lvds_gen_cntl;
341 u32 lvds_pll_cntl;
342 u32 tmds_crc;
343 u32 tmds_transmitter_cntl;
344
345#if defined(__BIG_ENDIAN)
346 u32 surface_cntl;
347#endif
348};
349
350
351struct radeonfb_info {
352 struct fb_info info;
353
354 struct radeon_regs state;
355 struct radeon_regs init_state;
356
357 char name[32];
358 char ram_type[12];
359
360 unsigned long mmio_base_phys;
361 unsigned long fb_base_phys;
362
363 void __iomem *mmio_base;
364 void __iomem *fb_base;
365
366 struct pci_dev *pdev;
367
368 unsigned char *EDID;
369 unsigned char __iomem *bios_seg;
370
371 u32 pseudo_palette[17];
372 struct { u8 red, green, blue, pad; } palette[256];
373
374 int chipset;
375 unsigned char arch;
376 int video_ram;
377 u8 rev;
378 int pitch, bpp, depth;
379 int xres, yres, pixclock;
380 int xres_virtual, yres_virtual;
381 u32 accel_flags;
382
383 int use_default_var;
384 int got_dfpinfo;
385
386 int hasCRTC2;
387 int crtDisp_type;
388 int dviDisp_type;
389
390 int panel_xres, panel_yres;
391 int clock;
392 int hOver_plus, hSync_width, hblank;
393 int vOver_plus, vSync_width, vblank;
394 int hAct_high, vAct_high, interlaced;
395 int synct, misc;
396
397 u32 dp_gui_master_cntl;
398
399 struct pll_info pll;
400 int pll_output_freq, post_div, fb_div;
401
402 struct ram_info ram;
403
404 int mtrr_hdl;
405
406#ifdef CONFIG_PMAC_PBOOK
407 int pm_reg;
408 u32 save_regs[64];
409 u32 mdll, mdll2;
410#endif /* CONFIG_PMAC_PBOOK */
411 int asleep;
412
413 struct radeonfb_info *next;
414};
415
416
417static struct fb_var_screeninfo radeonfb_default_var = {
418 640, 480, 640, 480, 0, 0, 8, 0,
419 {0, 6, 0}, {0, 6, 0}, {0, 6, 0}, {0, 0, 0},
420 0, 0, -1, -1, 0, 39721, 40, 24, 32, 11, 96, 2,
421 0, FB_VMODE_NONINTERLACED
422};
423
424/*
425 * IO macros
426 */
427
428#define INREG8(addr) readb((rinfo->mmio_base)+addr)
429#define OUTREG8(addr,val) writeb(val, (rinfo->mmio_base)+addr)
430#define INREG(addr) readl((rinfo->mmio_base)+addr)
431#define OUTREG(addr,val) writel(val, (rinfo->mmio_base)+addr)
432
433#define OUTPLL(addr,val) \
434 do { \
435 OUTREG8(CLOCK_CNTL_INDEX, (addr & 0x0000003f) | 0x00000080); \
436 OUTREG(CLOCK_CNTL_DATA, val); \
437 } while(0)
438
439#define OUTPLLP(addr,val,mask) \
440 do { \
441 unsigned int _tmp = INPLL(addr); \
442 _tmp &= (mask); \
443 _tmp |= (val); \
444 OUTPLL(addr, _tmp); \
445 } while (0)
446
447#define OUTREGP(addr,val,mask) \
448 do { \
449 unsigned int _tmp = INREG(addr); \
450 _tmp &= (mask); \
451 _tmp |= (val); \
452 OUTREG(addr, _tmp); \
453 } while (0)
454
455
456static __inline__ u32 _INPLL(struct radeonfb_info *rinfo, u32 addr)
457{
458 OUTREG8(CLOCK_CNTL_INDEX, addr & 0x0000003f);
459 return (INREG(CLOCK_CNTL_DATA));
460}
461
462#define INPLL(addr) _INPLL(rinfo, addr)
463
464#define PRIMARY_MONITOR(rinfo) ((rinfo->dviDisp_type != MT_NONE) && \
465 (rinfo->dviDisp_type != MT_STV) && \
466 (rinfo->dviDisp_type != MT_CTV) ? \
467 rinfo->dviDisp_type : rinfo->crtDisp_type)
468
469static char *GET_MON_NAME(int type)
470{
471 char *pret = NULL;
472
473 switch (type) {
474 case MT_NONE:
475 pret = "no";
476 break;
477 case MT_CRT:
478 pret = "CRT";
479 break;
480 case MT_DFP:
481 pret = "DFP";
482 break;
483 case MT_LCD:
484 pret = "LCD";
485 break;
486 case MT_CTV:
487 pret = "CTV";
488 break;
489 case MT_STV:
490 pret = "STV";
491 break;
492 }
493
494 return pret;
495}
496
497
498/*
499 * 2D engine routines
500 */
501
502static __inline__ void radeon_engine_flush (struct radeonfb_info *rinfo)
503{
504 int i;
505
506 /* initiate flush */
507 OUTREGP(RB2D_DSTCACHE_CTLSTAT, RB2D_DC_FLUSH_ALL,
508 ~RB2D_DC_FLUSH_ALL);
509
510 for (i=0; i < 2000000; i++) {
511 if (!(INREG(RB2D_DSTCACHE_CTLSTAT) & RB2D_DC_BUSY))
512 break;
513 }
514}
515
516
517static __inline__ void _radeon_fifo_wait (struct radeonfb_info *rinfo, int entries)
518{
519 int i;
520
521 for (i=0; i<2000000; i++)
522 if ((INREG(RBBM_STATUS) & 0x7f) >= entries)
523 return;
524}
525
526
527static __inline__ void _radeon_engine_idle (struct radeonfb_info *rinfo)
528{
529 int i;
530
531 /* ensure FIFO is empty before waiting for idle */
532 _radeon_fifo_wait (rinfo, 64);
533
534 for (i=0; i<2000000; i++) {
535 if (((INREG(RBBM_STATUS) & GUI_ACTIVE)) == 0) {
536 radeon_engine_flush (rinfo);
537 return;
538 }
539 }
540}
541
542
543#define radeon_engine_idle() _radeon_engine_idle(rinfo)
544#define radeon_fifo_wait(entries) _radeon_fifo_wait(rinfo,entries)
545
546
547
548/*
549 * helper routines
550 */
551
552static __inline__ u32 radeon_get_dstbpp(u16 depth)
553{
554 switch (depth) {
555 case 8:
556 return DST_8BPP;
557 case 15:
558 return DST_15BPP;
559 case 16:
560 return DST_16BPP;
561 case 32:
562 return DST_32BPP;
563 default:
564 return 0;
565 }
566}
567
568
569static inline int var_to_depth(const struct fb_var_screeninfo *var)
570{
571 if (var->bits_per_pixel != 16)
572 return var->bits_per_pixel;
573 return (var->green.length == 6) ? 16 : 15;
574}
575
576
577static void _radeon_engine_reset(struct radeonfb_info *rinfo)
578{
579 u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset;
580
581 radeon_engine_flush (rinfo);
582
583 clock_cntl_index = INREG(CLOCK_CNTL_INDEX);
584 mclk_cntl = INPLL(MCLK_CNTL);
585
586 OUTPLL(MCLK_CNTL, (mclk_cntl |
587 FORCEON_MCLKA |
588 FORCEON_MCLKB |
589 FORCEON_YCLKA |
590 FORCEON_YCLKB |
591 FORCEON_MC |
592 FORCEON_AIC));
593 rbbm_soft_reset = INREG(RBBM_SOFT_RESET);
594
595 OUTREG(RBBM_SOFT_RESET, rbbm_soft_reset |
596 SOFT_RESET_CP |
597 SOFT_RESET_HI |
598 SOFT_RESET_SE |
599 SOFT_RESET_RE |
600 SOFT_RESET_PP |
601 SOFT_RESET_E2 |
602 SOFT_RESET_RB);
603 INREG(RBBM_SOFT_RESET);
604 OUTREG(RBBM_SOFT_RESET, rbbm_soft_reset & (u32)
605 ~(SOFT_RESET_CP |
606 SOFT_RESET_HI |
607 SOFT_RESET_SE |
608 SOFT_RESET_RE |
609 SOFT_RESET_PP |
610 SOFT_RESET_E2 |
611 SOFT_RESET_RB));
612 INREG(RBBM_SOFT_RESET);
613
614 OUTPLL(MCLK_CNTL, mclk_cntl);
615 OUTREG(CLOCK_CNTL_INDEX, clock_cntl_index);
616 OUTREG(RBBM_SOFT_RESET, rbbm_soft_reset);
617
618 return;
619}
620
621#define radeon_engine_reset() _radeon_engine_reset(rinfo)
622
623
624static __inline__ int round_div(int num, int den)
625{
626 return (num + (den / 2)) / den;
627}
628
629
630
631static __inline__ int min_bits_req(int val)
632{
633 int bits_req = 0;
634
635 if (val == 0)
636 bits_req = 1;
637
638 while (val) {
639 val >>= 1;
640 bits_req++;
641 }
642
643 return (bits_req);
644}
645
646
647static __inline__ int _max(int val1, int val2)
648{
649 if (val1 >= val2)
650 return val1;
651 else
652 return val2;
653}
654
655
656
657/*
658 * globals
659 */
660
661#ifndef MODULE
662static char *mode_option;
663#endif
664
665static char noaccel = 0;
666static char mirror = 0;
667static int panel_yres = 0;
668static char force_dfp = 0;
669static struct radeonfb_info *board_list = NULL;
670static char nomtrr = 0;
671
672/*
673 * prototypes
674 */
675
676static void radeon_save_state (struct radeonfb_info *rinfo,
677 struct radeon_regs *save);
678static void radeon_engine_init (struct radeonfb_info *rinfo);
679static void radeon_write_mode (struct radeonfb_info *rinfo,
680 struct radeon_regs *mode);
681static int __devinit radeon_set_fbinfo (struct radeonfb_info *rinfo);
682static int __devinit radeon_init_disp (struct radeonfb_info *rinfo);
683static int radeon_init_disp_var (struct radeonfb_info *rinfo, struct fb_var_screeninfo *var);
684static void __iomem *radeon_find_rom(struct radeonfb_info *rinfo);
685static void radeon_get_pllinfo(struct radeonfb_info *rinfo, void __iomem *bios_seg);
686static void radeon_get_moninfo (struct radeonfb_info *rinfo);
687static int radeon_get_dfpinfo (struct radeonfb_info *rinfo);
688static int radeon_get_dfpinfo_BIOS(struct radeonfb_info *rinfo);
689static void radeon_get_EDID(struct radeonfb_info *rinfo);
690static int radeon_dfp_parse_EDID(struct radeonfb_info *rinfo);
691static void radeon_update_default_var(struct radeonfb_info *rinfo);
692
693#ifdef CONFIG_PPC_OF
694
695static int radeon_read_OF (struct radeonfb_info *rinfo);
696static int radeon_get_EDID_OF(struct radeonfb_info *rinfo);
697extern struct device_node *pci_device_to_OF_node(struct pci_dev *dev);
698
699#ifdef CONFIG_PMAC_PBOOK
700int radeon_sleep_notify(struct pmu_sleep_notifier *self, int when);
701static struct pmu_sleep_notifier radeon_sleep_notifier = {
702 radeon_sleep_notify, SLEEP_LEVEL_VIDEO,
703};
704#endif /* CONFIG_PMAC_PBOOK */
705#ifdef CONFIG_PMAC_BACKLIGHT
706static int radeon_set_backlight_enable(int on, int level, void *data);
707static int radeon_set_backlight_level(int level, void *data);
708static struct backlight_controller radeon_backlight_controller = {
709 radeon_set_backlight_enable,
710 radeon_set_backlight_level
711};
712#endif /* CONFIG_PMAC_BACKLIGHT */
713
714#endif /* CONFIG_PPC_OF */
715
716
717static void __iomem *radeon_find_rom(struct radeonfb_info *rinfo)
718{
719#if defined(__i386__)
720 u32 segstart;
721 char __iomem *rom_base;
722 char __iomem *rom;
723 int stage;
724 int i,j;
725 char aty_rom_sig[] = "761295520";
726 char *radeon_sig[] = {
727 "RG6",
728 "RADEON"
729 };
730
731 for(segstart=0x000c0000; segstart<0x000f0000; segstart+=0x00001000) {
732
733 stage = 1;
734
735 rom_base = ioremap(segstart, 0x1000);
736
737 if ((*rom_base == 0x55) && (((*(rom_base + 1)) & 0xff) == 0xaa))
738 stage = 2;
739
740
741 if (stage != 2) {
742 iounmap(rom_base);
743 continue;
744 }
745
746 rom = rom_base;
747
748 for (i = 0; (i < 128 - strlen(aty_rom_sig)) && (stage != 3); i++) {
749 if (aty_rom_sig[0] == *rom)
750 if (strncmp(aty_rom_sig, rom,
751 strlen(aty_rom_sig)) == 0)
752 stage = 3;
753 rom++;
754 }
755 if (stage != 3) {
756 iounmap(rom_base);
757 continue;
758 }
759 rom = rom_base;
760
761 for (i = 0; (i < 512) && (stage != 4); i++) {
762 for (j = 0; j < ARRAY_SIZE(radeon_sig); j++) {
763 if (radeon_sig[j][0] == *rom)
764 if (strncmp(radeon_sig[j], rom,
765 strlen(radeon_sig[j])) == 0) {
766 stage = 4;
767 break;
768 }
769 }
770 rom++;
771 }
772 if (stage != 4) {
773 iounmap(rom_base);
774 continue;
775 }
776
777 return rom_base;
778 }
779#endif
780 return NULL;
781}
782
783
784
785
786static void radeon_get_pllinfo(struct radeonfb_info *rinfo, void __iomem *bios_seg)
787{
788 void __iomem *bios_header;
789 void __iomem *header_ptr;
790 u16 bios_header_offset, pll_info_offset;
791 PLL_BLOCK pll;
792
793 if (bios_seg) {
794 bios_header = bios_seg + 0x48L;
795 header_ptr = bios_header;
796
797 bios_header_offset = readw(header_ptr);
798 bios_header = bios_seg + bios_header_offset;
799 bios_header += 0x30;
800
801 header_ptr = bios_header;
802 pll_info_offset = readw(header_ptr);
803 header_ptr = bios_seg + pll_info_offset;
804
805 memcpy_fromio(&pll, header_ptr, 50);
806
807 rinfo->pll.xclk = (u32)pll.XCLK;
808 rinfo->pll.ref_clk = (u32)pll.PCLK_ref_freq;
809 rinfo->pll.ref_div = (u32)pll.PCLK_ref_divider;
810 rinfo->pll.ppll_min = pll.PCLK_min_freq;
811 rinfo->pll.ppll_max = pll.PCLK_max_freq;
812
813 printk("radeonfb: ref_clk=%d, ref_div=%d, xclk=%d from BIOS\n",
814 rinfo->pll.ref_clk, rinfo->pll.ref_div, rinfo->pll.xclk);
815 } else {
816#ifdef CONFIG_PPC_OF
817 if (radeon_read_OF(rinfo)) {
818 unsigned int tmp, Nx, M, ref_div, xclk;
819
820 tmp = INPLL(M_SPLL_REF_FB_DIV);
821 ref_div = INPLL(PPLL_REF_DIV) & 0x3ff;
822
823 Nx = (tmp & 0xff00) >> 8;
824 M = (tmp & 0xff);
825 xclk = ((((2 * Nx * rinfo->pll.ref_clk) + (M)) /
826 (2 * M)));
827
828 rinfo->pll.xclk = xclk;
829 rinfo->pll.ref_div = ref_div;
830 rinfo->pll.ppll_min = 12000;
831 rinfo->pll.ppll_max = 35000;
832
833 printk("radeonfb: ref_clk=%d, ref_div=%d, xclk=%d from OF\n",
834 rinfo->pll.ref_clk, rinfo->pll.ref_div, rinfo->pll.xclk);
835
836 return;
837 }
838#endif
839 /* no BIOS or BIOS not found, use defaults */
840 switch (rinfo->chipset) {
841 case PCI_DEVICE_ID_ATI_RADEON_QW:
842 case PCI_DEVICE_ID_ATI_RADEON_QX:
843 rinfo->pll.ppll_max = 35000;
844 rinfo->pll.ppll_min = 12000;
845 rinfo->pll.xclk = 23000;
846 rinfo->pll.ref_div = 12;
847 rinfo->pll.ref_clk = 2700;
848 break;
849 case PCI_DEVICE_ID_ATI_RADEON_QL:
850 case PCI_DEVICE_ID_ATI_RADEON_QN:
851 case PCI_DEVICE_ID_ATI_RADEON_QO:
852 case PCI_DEVICE_ID_ATI_RADEON_Ql:
853 case PCI_DEVICE_ID_ATI_RADEON_BB:
854 rinfo->pll.ppll_max = 35000;
855 rinfo->pll.ppll_min = 12000;
856 rinfo->pll.xclk = 27500;
857 rinfo->pll.ref_div = 12;
858 rinfo->pll.ref_clk = 2700;
859 break;
860 case PCI_DEVICE_ID_ATI_RADEON_Id:
861 case PCI_DEVICE_ID_ATI_RADEON_Ie:
862 case PCI_DEVICE_ID_ATI_RADEON_If:
863 case PCI_DEVICE_ID_ATI_RADEON_Ig:
864 rinfo->pll.ppll_max = 35000;
865 rinfo->pll.ppll_min = 12000;
866 rinfo->pll.xclk = 25000;
867 rinfo->pll.ref_div = 12;
868 rinfo->pll.ref_clk = 2700;
869 break;
870 case PCI_DEVICE_ID_ATI_RADEON_ND:
871 case PCI_DEVICE_ID_ATI_RADEON_NE:
872 case PCI_DEVICE_ID_ATI_RADEON_NF:
873 case PCI_DEVICE_ID_ATI_RADEON_NG:
874 rinfo->pll.ppll_max = 40000;
875 rinfo->pll.ppll_min = 20000;
876 rinfo->pll.xclk = 27000;
877 rinfo->pll.ref_div = 12;
878 rinfo->pll.ref_clk = 2700;
879 break;
880 case PCI_DEVICE_ID_ATI_RADEON_QD:
881 case PCI_DEVICE_ID_ATI_RADEON_QE:
882 case PCI_DEVICE_ID_ATI_RADEON_QF:
883 case PCI_DEVICE_ID_ATI_RADEON_QG:
884 default:
885 rinfo->pll.ppll_max = 35000;
886 rinfo->pll.ppll_min = 12000;
887 rinfo->pll.xclk = 16600;
888 rinfo->pll.ref_div = 67;
889 rinfo->pll.ref_clk = 2700;
890 break;
891 }
892
893 printk("radeonfb: ref_clk=%d, ref_div=%d, xclk=%d defaults\n",
894 rinfo->pll.ref_clk, rinfo->pll.ref_div, rinfo->pll.xclk);
895 }
896}
897
898
899static void radeon_get_moninfo (struct radeonfb_info *rinfo)
900{
901 unsigned int tmp;
902
903 if (force_dfp) {
904 rinfo->dviDisp_type = MT_DFP;
905 return;
906 }
907
908 tmp = INREG(BIOS_4_SCRATCH);
909 printk(KERN_DEBUG "radeon_get_moninfo: bios 4 scratch = %x\n", tmp);
910
911 if (rinfo->hasCRTC2) {
912 /* primary DVI port */
913 if (tmp & 0x08)
914 rinfo->dviDisp_type = MT_DFP;
915 else if (tmp & 0x4)
916 rinfo->dviDisp_type = MT_LCD;
917 else if (tmp & 0x200)
918 rinfo->dviDisp_type = MT_CRT;
919 else if (tmp & 0x10)
920 rinfo->dviDisp_type = MT_CTV;
921 else if (tmp & 0x20)
922 rinfo->dviDisp_type = MT_STV;
923
924 /* secondary CRT port */
925 if (tmp & 0x2)
926 rinfo->crtDisp_type = MT_CRT;
927 else if (tmp & 0x800)
928 rinfo->crtDisp_type = MT_DFP;
929 else if (tmp & 0x400)
930 rinfo->crtDisp_type = MT_LCD;
931 else if (tmp & 0x1000)
932 rinfo->crtDisp_type = MT_CTV;
933 else if (tmp & 0x2000)
934 rinfo->crtDisp_type = MT_STV;
935 } else {
936 rinfo->dviDisp_type = MT_NONE;
937
938 tmp = INREG(FP_GEN_CNTL);
939
940 if (tmp & FP_EN_TMDS)
941 rinfo->crtDisp_type = MT_DFP;
942 else
943 rinfo->crtDisp_type = MT_CRT;
944 }
945}
946
947
948
949static void radeon_get_EDID(struct radeonfb_info *rinfo)
950{
951#ifdef CONFIG_PPC_OF
952 if (!radeon_get_EDID_OF(rinfo))
953 RTRACE("radeonfb: could not retrieve EDID from OF\n");
954#else
955 /* XXX use other methods later */
956#endif
957}
958
959
960#ifdef CONFIG_PPC_OF
961static int radeon_get_EDID_OF(struct radeonfb_info *rinfo)
962{
963 struct device_node *dp;
964 unsigned char *pedid = NULL;
965 static char *propnames[] = { "DFP,EDID", "LCD,EDID", "EDID", "EDID1", NULL };
966 int i;
967
968 dp = pci_device_to_OF_node(rinfo->pdev);
969 while (dp != NULL) {
970 for (i = 0; propnames[i] != NULL; ++i) {
971 pedid = (unsigned char *)
972 get_property(dp, propnames[i], NULL);
973 if (pedid != NULL) {
974 rinfo->EDID = pedid;
975 return 1;
976 }
977 }
978 dp = dp->child;
979 }
980 return 0;
981}
982#endif /* CONFIG_PPC_OF */
983
984
985static int radeon_dfp_parse_EDID(struct radeonfb_info *rinfo)
986{
987 unsigned char *block = rinfo->EDID;
988
989 if (!block)
990 return 0;
991
992 /* jump to the detailed timing block section */
993 block += 54;
994
995 rinfo->clock = (block[0] + (block[1] << 8));
996 rinfo->panel_xres = (block[2] + ((block[4] & 0xf0) << 4));
997 rinfo->hblank = (block[3] + ((block[4] & 0x0f) << 8));
998 rinfo->panel_yres = (block[5] + ((block[7] & 0xf0) << 4));
999 rinfo->vblank = (block[6] + ((block[7] & 0x0f) << 8));
1000 rinfo->hOver_plus = (block[8] + ((block[11] & 0xc0) << 2));
1001 rinfo->hSync_width = (block[9] + ((block[11] & 0x30) << 4));
1002 rinfo->vOver_plus = ((block[10] >> 4) + ((block[11] & 0x0c) << 2));
1003 rinfo->vSync_width = ((block[10] & 0x0f) + ((block[11] & 0x03) << 4));
1004 rinfo->interlaced = ((block[17] & 0x80) >> 7);
1005 rinfo->synct = ((block[17] & 0x18) >> 3);
1006 rinfo->misc = ((block[17] & 0x06) >> 1);
1007 rinfo->hAct_high = rinfo->vAct_high = 0;
1008 if (rinfo->synct == 3) {
1009 if (rinfo->misc & 2)
1010 rinfo->hAct_high = 1;
1011 if (rinfo->misc & 1)
1012 rinfo->vAct_high = 1;
1013 }
1014
1015 printk("radeonfb: detected DFP panel size from EDID: %dx%d\n",
1016 rinfo->panel_xres, rinfo->panel_yres);
1017
1018 rinfo->got_dfpinfo = 1;
1019
1020 return 1;
1021}
1022
1023
1024static void radeon_update_default_var(struct radeonfb_info *rinfo)
1025{
1026 struct fb_var_screeninfo *var = &radeonfb_default_var;
1027
1028 var->xres = rinfo->panel_xres;
1029 var->yres = rinfo->panel_yres;
1030 var->xres_virtual = rinfo->panel_xres;
1031 var->yres_virtual = rinfo->panel_yres;
1032 var->xoffset = var->yoffset = 0;
1033 var->bits_per_pixel = 8;
1034 var->pixclock = 100000000 / rinfo->clock;
1035 var->left_margin = (rinfo->hblank - rinfo->hOver_plus - rinfo->hSync_width);
1036 var->right_margin = rinfo->hOver_plus;
1037 var->upper_margin = (rinfo->vblank - rinfo->vOver_plus - rinfo->vSync_width);
1038 var->lower_margin = rinfo->vOver_plus;
1039 var->hsync_len = rinfo->hSync_width;
1040 var->vsync_len = rinfo->vSync_width;
1041 var->sync = 0;
1042 if (rinfo->synct == 3) {
1043 if (rinfo->hAct_high)
1044 var->sync |= FB_SYNC_HOR_HIGH_ACT;
1045 if (rinfo->vAct_high)
1046 var->sync |= FB_SYNC_VERT_HIGH_ACT;
1047 }
1048
1049 var->vmode = 0;
1050 if (rinfo->interlaced)
1051 var->vmode |= FB_VMODE_INTERLACED;
1052
1053 rinfo->use_default_var = 1;
1054}
1055
1056
1057static int radeon_get_dfpinfo_BIOS(struct radeonfb_info *rinfo)
1058{
1059 char __iomem *fpbiosstart, *tmp, *tmp0;
1060 char stmp[30];
1061 int i;
1062
1063 if (!rinfo->bios_seg)
1064 return 0;
1065
1066 if (!(fpbiosstart = rinfo->bios_seg + readw(rinfo->bios_seg + 0x48))) {
1067 printk("radeonfb: Failed to detect DFP panel info using BIOS\n");
1068 return 0;
1069 }
1070
1071 if (!(tmp = rinfo->bios_seg + readw(fpbiosstart + 0x40))) {
1072 printk("radeonfb: Failed to detect DFP panel info using BIOS\n");
1073 return 0;
1074 }
1075
1076 for(i=0; i<24; i++)
1077 stmp[i] = readb(tmp+i+1);
1078 stmp[24] = 0;
1079 printk("radeonfb: panel ID string: %s\n", stmp);
1080 rinfo->panel_xres = readw(tmp + 25);
1081 rinfo->panel_yres = readw(tmp + 27);
1082 printk("radeonfb: detected DFP panel size from BIOS: %dx%d\n",
1083 rinfo->panel_xres, rinfo->panel_yres);
1084
1085 for(i=0; i<32; i++) {
1086 tmp0 = rinfo->bios_seg + readw(tmp+64+i*2);
1087 if (tmp0 == 0)
1088 break;
1089 if ((readw(tmp0) == rinfo->panel_xres) &&
1090 (readw(tmp0+2) == rinfo->panel_yres)) {
1091 rinfo->hblank = (readw(tmp0+17) - readw(tmp0+19)) * 8;
1092 rinfo->hOver_plus = ((readw(tmp0+21) - readw(tmp0+19) -1) * 8) & 0x7fff;
1093 rinfo->hSync_width = readb(tmp0+23) * 8;
1094 rinfo->vblank = readw(tmp0+24) - readw(tmp0+26);
1095 rinfo->vOver_plus = (readw(tmp0+28) & 0x7ff) - readw(tmp0+26);
1096 rinfo->vSync_width = (readw(tmp0+28) & 0xf800) >> 11;
1097 rinfo->clock = readw(tmp0+9);
1098
1099 rinfo->got_dfpinfo = 1;
1100 return 1;
1101 }
1102 }
1103
1104 return 0;
1105}
1106
1107
1108
1109static int radeon_get_dfpinfo (struct radeonfb_info *rinfo)
1110{
1111 unsigned int tmp;
1112 unsigned short a, b;
1113
1114 if (radeon_get_dfpinfo_BIOS(rinfo))
1115 radeon_update_default_var(rinfo);
1116
1117 if (radeon_dfp_parse_EDID(rinfo))
1118 radeon_update_default_var(rinfo);
1119
1120 if (!rinfo->got_dfpinfo) {
1121 /*
1122 * it seems all else has failed now and we
1123 * resort to probing registers for our DFP info
1124 */
1125 if (panel_yres) {
1126 rinfo->panel_yres = panel_yres;
1127 } else {
1128 tmp = INREG(FP_VERT_STRETCH);
1129 tmp &= 0x00fff000;
1130 rinfo->panel_yres = (unsigned short)(tmp >> 0x0c) + 1;
1131 }
1132
1133 switch (rinfo->panel_yres) {
1134 case 480:
1135 rinfo->panel_xres = 640;
1136 break;
1137 case 600:
1138 rinfo->panel_xres = 800;
1139 break;
1140 case 768:
1141#if defined(__powerpc__)
1142 if (rinfo->dviDisp_type == MT_LCD)
1143 rinfo->panel_xres = 1152;
1144 else
1145#endif
1146 rinfo->panel_xres = 1024;
1147 break;
1148 case 1024:
1149 rinfo->panel_xres = 1280;
1150 break;
1151 case 1050:
1152 rinfo->panel_xres = 1400;
1153 break;
1154 case 1200:
1155 rinfo->panel_xres = 1600;
1156 break;
1157 default:
1158 printk("radeonfb: Failed to detect DFP panel size\n");
1159 return 0;
1160 }
1161
1162 printk("radeonfb: detected DFP panel size from registers: %dx%d\n",
1163 rinfo->panel_xres, rinfo->panel_yres);
1164
1165 tmp = INREG(FP_CRTC_H_TOTAL_DISP);
1166 a = (tmp & FP_CRTC_H_TOTAL_MASK) + 4;
1167 b = (tmp & 0x01ff0000) >> FP_CRTC_H_DISP_SHIFT;
1168 rinfo->hblank = (a - b + 1) * 8;
1169
1170 tmp = INREG(FP_H_SYNC_STRT_WID);
1171 rinfo->hOver_plus = (unsigned short) ((tmp & FP_H_SYNC_STRT_CHAR_MASK) >>
1172 FP_H_SYNC_STRT_CHAR_SHIFT) - b - 1;
1173 rinfo->hOver_plus *= 8;
1174 rinfo->hSync_width = (unsigned short) ((tmp & FP_H_SYNC_WID_MASK) >>
1175 FP_H_SYNC_WID_SHIFT);
1176 rinfo->hSync_width *= 8;
1177 tmp = INREG(FP_CRTC_V_TOTAL_DISP);
1178 a = (tmp & FP_CRTC_V_TOTAL_MASK) + 1;
1179 b = (tmp & FP_CRTC_V_DISP_MASK) >> FP_CRTC_V_DISP_SHIFT;
1180 rinfo->vblank = a - b /* + 24 */ ;
1181
1182 tmp = INREG(FP_V_SYNC_STRT_WID);
1183 rinfo->vOver_plus = (unsigned short) (tmp & FP_V_SYNC_STRT_MASK)
1184 - b + 1;
1185 rinfo->vSync_width = (unsigned short) ((tmp & FP_V_SYNC_WID_MASK) >>
1186 FP_V_SYNC_WID_SHIFT);
1187
1188 return 1;
1189 }
1190
1191 return 1;
1192}
1193
1194
1195#ifdef CONFIG_PPC_OF
1196static int radeon_read_OF (struct radeonfb_info *rinfo)
1197{
1198 struct device_node *dp;
1199 unsigned int *xtal;
1200
1201 dp = pci_device_to_OF_node(rinfo->pdev);
1202
1203 xtal = (unsigned int *) get_property(dp, "ATY,RefCLK", NULL);
1204
1205 rinfo->pll.ref_clk = *xtal / 10;
1206
1207 if (*xtal)
1208 return 1;
1209 else
1210 return 0;
1211}
1212#endif
1213
1214
1215static void radeon_engine_init (struct radeonfb_info *rinfo)
1216{
1217 u32 temp;
1218
1219 /* disable 3D engine */
1220 OUTREG(RB3D_CNTL, 0);
1221
1222 radeon_engine_reset ();
1223
1224 radeon_fifo_wait (1);
1225 OUTREG(RB2D_DSTCACHE_MODE, 0);
1226
1227 radeon_fifo_wait (1);
1228 temp = INREG(DEFAULT_PITCH_OFFSET);
1229 OUTREG(DEFAULT_PITCH_OFFSET, ((temp & 0xc0000000) |
1230 (rinfo->pitch << 0x16)));
1231
1232 radeon_fifo_wait (1);
1233 OUTREGP(DP_DATATYPE, 0, ~HOST_BIG_ENDIAN_EN);
1234
1235 radeon_fifo_wait (1);
1236 OUTREG(DEFAULT_SC_BOTTOM_RIGHT, (DEFAULT_SC_RIGHT_MAX |
1237 DEFAULT_SC_BOTTOM_MAX));
1238
1239 temp = radeon_get_dstbpp(rinfo->depth);
1240 rinfo->dp_gui_master_cntl = ((temp << 8) | GMC_CLR_CMP_CNTL_DIS);
1241 radeon_fifo_wait (1);
1242 OUTREG(DP_GUI_MASTER_CNTL, (rinfo->dp_gui_master_cntl |
1243 GMC_BRUSH_SOLID_COLOR |
1244 GMC_SRC_DATATYPE_COLOR));
1245
1246 radeon_fifo_wait (7);
1247
1248 /* clear line drawing regs */
1249 OUTREG(DST_LINE_START, 0);
1250 OUTREG(DST_LINE_END, 0);
1251
1252 /* set brush color regs */
1253 OUTREG(DP_BRUSH_FRGD_CLR, 0xffffffff);
1254 OUTREG(DP_BRUSH_BKGD_CLR, 0x00000000);
1255
1256 /* set source color regs */
1257 OUTREG(DP_SRC_FRGD_CLR, 0xffffffff);
1258 OUTREG(DP_SRC_BKGD_CLR, 0x00000000);
1259
1260 /* default write mask */
1261 OUTREG(DP_WRITE_MSK, 0xffffffff);
1262
1263 radeon_engine_idle ();
1264}
1265
1266
1267static int __devinit radeon_init_disp (struct radeonfb_info *rinfo)
1268{
1269 struct fb_info *info = &rinfo->info;
1270 struct fb_var_screeninfo var;
1271
1272 var = radeonfb_default_var;
1273 if ((radeon_init_disp_var(rinfo, &var)) < 0)
1274 return -1;
1275
1276 rinfo->depth = var_to_depth(&var);
1277 rinfo->bpp = var.bits_per_pixel;
1278
1279 info->var = var;
1280 fb_alloc_cmap(&info->cmap, 256, 0);
1281
1282 var.activate = FB_ACTIVATE_NOW;
1283 return 0;
1284}
1285
1286
1287static int radeon_init_disp_var (struct radeonfb_info *rinfo,
1288 struct fb_var_screeninfo *var)
1289{
1290#ifndef MODULE
1291 if (mode_option)
1292 fb_find_mode (var, &rinfo->info, mode_option,
1293 NULL, 0, NULL, 8);
1294 else
1295#endif
1296 if (rinfo->use_default_var)
1297 /* We will use the modified default far */
1298 *var = radeonfb_default_var;
1299 else
1300
1301 fb_find_mode (var, &rinfo->info, "640x480-8@60",
1302 NULL, 0, NULL, 0);
1303
1304 if (noaccel)
1305 var->accel_flags &= ~FB_ACCELF_TEXT;
1306 else
1307 var->accel_flags |= FB_ACCELF_TEXT;
1308
1309 return 0;
1310}
1311
1312
1313static int radeon_do_maximize(struct radeonfb_info *rinfo,
1314 struct fb_var_screeninfo *var,
1315 struct fb_var_screeninfo *v,
1316 int nom, int den)
1317{
1318 static struct {
1319 int xres, yres;
1320 } modes[] = {
1321 {1600, 1280},
1322 {1280, 1024},
1323 {1024, 768},
1324 {800, 600},
1325 {640, 480},
1326 {-1, -1}
1327 };
1328 int i;
1329
1330 /* use highest possible virtual resolution */
1331 if (v->xres_virtual == -1 && v->yres_virtual == -1) {
1332 printk("radeonfb: using max available virtual resolution\n");
1333 for (i=0; modes[i].xres != -1; i++) {
1334 if (modes[i].xres * nom / den * modes[i].yres <
1335 rinfo->video_ram / 2)
1336 break;
1337 }
1338 if (modes[i].xres == -1) {
1339 printk("radeonfb: could not find virtual resolution that fits into video memory!\n");
1340 return -EINVAL;
1341 }
1342 v->xres_virtual = modes[i].xres;
1343 v->yres_virtual = modes[i].yres;
1344
1345 printk("radeonfb: virtual resolution set to max of %dx%d\n",
1346 v->xres_virtual, v->yres_virtual);
1347 } else if (v->xres_virtual == -1) {
1348 v->xres_virtual = (rinfo->video_ram * den /
1349 (nom * v->yres_virtual * 2)) & ~15;
1350 } else if (v->yres_virtual == -1) {
1351 v->xres_virtual = (v->xres_virtual + 15) & ~15;
1352 v->yres_virtual = rinfo->video_ram * den /
1353 (nom * v->xres_virtual *2);
1354 } else {
1355 if (v->xres_virtual * nom / den * v->yres_virtual >
1356 rinfo->video_ram) {
1357 return -EINVAL;
1358 }
1359 }
1360
1361 if (v->xres_virtual * nom / den >= 8192) {
1362 v->xres_virtual = 8192 * den / nom - 16;
1363 }
1364
1365 if (v->xres_virtual < v->xres)
1366 return -EINVAL;
1367
1368 if (v->yres_virtual < v->yres)
1369 return -EINVAL;
1370
1371 return 0;
1372}
1373
1374
1375static int radeonfb_check_var (struct fb_var_screeninfo *var, struct fb_info *info)
1376{
1377 struct radeonfb_info *rinfo = (struct radeonfb_info *) info->par;
1378 struct fb_var_screeninfo v;
1379 int nom, den;
1380
1381 memcpy (&v, var, sizeof (v));
1382
1383 switch (v.bits_per_pixel) {
1384 case 0 ... 8:
1385 v.bits_per_pixel = 8;
1386 break;
1387 case 9 ... 16:
1388 v.bits_per_pixel = 16;
1389 break;
1390 case 17 ... 24:
1391#if 0 /* Doesn't seem to work */
1392 v.bits_per_pixel = 24;
1393 break;
1394#endif
1395 return -EINVAL;
1396 case 25 ... 32:
1397 v.bits_per_pixel = 32;
1398 break;
1399 default:
1400 return -EINVAL;
1401 }
1402
1403 switch (var_to_depth(&v)) {
1404 case 8:
1405 nom = den = 1;
1406 v.red.offset = v.green.offset = v.blue.offset = 0;
1407 v.red.length = v.green.length = v.blue.length = 8;
1408 v.transp.offset = v.transp.length = 0;
1409 break;
1410 case 15:
1411 nom = 2;
1412 den = 1;
1413 v.red.offset = 10;
1414 v.green.offset = 5;
1415 v.blue.offset = 0;
1416 v.red.length = v.green.length = v.blue.length = 5;
1417 v.transp.offset = v.transp.length = 0;
1418 break;
1419 case 16:
1420 nom = 2;
1421 den = 1;
1422 v.red.offset = 11;
1423 v.green.offset = 5;
1424 v.blue.offset = 0;
1425 v.red.length = 5;
1426 v.green.length = 6;
1427 v.blue.length = 5;
1428 v.transp.offset = v.transp.length = 0;
1429 break;
1430 case 24:
1431 nom = 4;
1432 den = 1;
1433 v.red.offset = 16;
1434 v.green.offset = 8;
1435 v.blue.offset = 0;
1436 v.red.length = v.blue.length = v.green.length = 8;
1437 v.transp.offset = v.transp.length = 0;
1438 break;
1439 case 32:
1440 nom = 4;
1441 den = 1;
1442 v.red.offset = 16;
1443 v.green.offset = 8;
1444 v.blue.offset = 0;
1445 v.red.length = v.blue.length = v.green.length = 8;
1446 v.transp.offset = 24;
1447 v.transp.length = 8;
1448 break;
1449 default:
1450 printk ("radeonfb: mode %dx%dx%d rejected, color depth invalid\n",
1451 var->xres, var->yres, var->bits_per_pixel);
1452 return -EINVAL;
1453 }
1454
1455 if (radeon_do_maximize(rinfo, var, &v, nom, den) < 0)
1456 return -EINVAL;
1457
1458 if (v.xoffset < 0)
1459 v.xoffset = 0;
1460 if (v.yoffset < 0)
1461 v.yoffset = 0;
1462
1463 if (v.xoffset > v.xres_virtual - v.xres)
1464 v.xoffset = v.xres_virtual - v.xres - 1;
1465
1466 if (v.yoffset > v.yres_virtual - v.yres)
1467 v.yoffset = v.yres_virtual - v.yres - 1;
1468
1469 v.red.msb_right = v.green.msb_right = v.blue.msb_right =
1470 v.transp.offset = v.transp.length =
1471 v.transp.msb_right = 0;
1472
1473 if (noaccel)
1474 v.accel_flags = 0;
1475
1476 memcpy(var, &v, sizeof(v));
1477
1478 return 0;
1479}
1480
1481
1482static int radeonfb_pan_display (struct fb_var_screeninfo *var,
1483 struct fb_info *info)
1484{
1485 struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
1486
1487 if ((var->xoffset + var->xres > var->xres_virtual)
1488 || (var->yoffset + var->yres > var->yres_virtual))
1489 return -EINVAL;
1490
1491 if (rinfo->asleep)
1492 return 0;
1493
1494 OUTREG(CRTC_OFFSET, ((var->yoffset * var->xres_virtual + var->xoffset)
1495 * var->bits_per_pixel / 8) & ~7);
1496 return 0;
1497}
1498
1499
1500static int radeonfb_ioctl (struct fb_info *info, unsigned int cmd,
1501 unsigned long arg)
1502{
1503 struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
1504 unsigned int tmp;
1505 u32 value = 0;
1506 int rc;
1507
1508 switch (cmd) {
1509 /*
1510 * TODO: set mirror accordingly for non-Mobility chipsets with 2 CRTC's
1511 */
1512 case FBIO_RADEON_SET_MIRROR:
1513 switch (rinfo->arch) {
1514 case RADEON_R100:
1515 case RADEON_RV100:
1516 case RADEON_R200:
1517 case RADEON_RV200:
1518 case RADEON_RV250:
1519 case RADEON_R300:
1520 return -EINVAL;
1521 default:
1522 /* RADEON M6, RADEON_M7, RADEON_M9 */
1523 break;
1524 }
1525
1526 rc = get_user(value, (__u32 __user *)arg);
1527
1528 if (rc)
1529 return rc;
1530
1531 if (value & 0x01) {
1532 tmp = INREG(LVDS_GEN_CNTL);
1533
1534 tmp |= (LVDS_ON | LVDS_BLON);
1535 } else {
1536 tmp = INREG(LVDS_GEN_CNTL);
1537
1538 tmp &= ~(LVDS_ON | LVDS_BLON);
1539 }
1540
1541 OUTREG(LVDS_GEN_CNTL, tmp);
1542
1543 if (value & 0x02) {
1544 tmp = INREG(CRTC_EXT_CNTL);
1545 tmp |= CRTC_CRT_ON;
1546
1547 mirror = 1;
1548 } else {
1549 tmp = INREG(CRTC_EXT_CNTL);
1550 tmp &= ~CRTC_CRT_ON;
1551
1552 mirror = 0;
1553 }
1554
1555 OUTREG(CRTC_EXT_CNTL, tmp);
1556
1557 break;
1558 case FBIO_RADEON_GET_MIRROR:
1559 switch (rinfo->arch) {
1560 case RADEON_R100:
1561 case RADEON_RV100:
1562 case RADEON_R200:
1563 case RADEON_RV200:
1564 case RADEON_RV250:
1565 case RADEON_R300:
1566 return -EINVAL;
1567 default:
1568 /* RADEON M6, RADEON_M7, RADEON_M9 */
1569 break;
1570 }
1571
1572 tmp = INREG(LVDS_GEN_CNTL);
1573 if ((LVDS_ON | LVDS_BLON) & tmp)
1574 value |= 0x01;
1575
1576 tmp = INREG(CRTC_EXT_CNTL);
1577 if (CRTC_CRT_ON & tmp)
1578 value |= 0x02;
1579
1580 return put_user(value, (__u32 __user *)arg);
1581 default:
1582 return -EINVAL;
1583 }
1584
1585 return -EINVAL;
1586}
1587
1588
1589static int radeonfb_blank (int blank, struct fb_info *info)
1590{
1591 struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
1592 u32 val = INREG(CRTC_EXT_CNTL);
1593 u32 val2 = INREG(LVDS_GEN_CNTL);
1594
1595 if (rinfo->asleep)
1596 return 0;
1597
1598#ifdef CONFIG_PMAC_BACKLIGHT
1599 if (rinfo->dviDisp_type == MT_LCD && machine_is(powermac)) {
1600 set_backlight_enable(!blank);
1601 return 0;
1602 }
1603#endif
1604
1605 /* reset it */
1606 val &= ~(CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS |
1607 CRTC_VSYNC_DIS);
1608 val2 &= ~(LVDS_DISPLAY_DIS);
1609
1610 switch (blank) {
1611 case FB_BLANK_UNBLANK:
1612 case FB_BLANK_NORMAL:
1613 break;
1614 case FB_BLANK_VSYNC_SUSPEND:
1615 val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS);
1616 break;
1617 case FB_BLANK_HSYNC_SUSPEND:
1618 val |= (CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS);
1619 break;
1620 case FB_BLANK_POWERDOWN:
1621 val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS |
1622 CRTC_HSYNC_DIS);
1623 val2 |= (LVDS_DISPLAY_DIS);
1624 break;
1625 }
1626
1627 switch (rinfo->dviDisp_type) {
1628 case MT_LCD:
1629 OUTREG(LVDS_GEN_CNTL, val2);
1630 break;
1631 case MT_CRT:
1632 default:
1633 OUTREG(CRTC_EXT_CNTL, val);
1634 break;
1635 }
1636
1637 /* let fbcon do a soft blank for us */
1638 return (blank == FB_BLANK_NORMAL) ? 1 : 0;
1639}
1640
1641
1642static int radeonfb_setcolreg (unsigned regno, unsigned red, unsigned green,
1643 unsigned blue, unsigned transp, struct fb_info *info)
1644{
1645 struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
1646 u32 pindex, vclk_cntl;
1647 unsigned int i;
1648
1649 if (regno > 255)
1650 return 1;
1651
1652 red >>= 8;
1653 green >>= 8;
1654 blue >>= 8;
1655 rinfo->palette[regno].red = red;
1656 rinfo->palette[regno].green = green;
1657 rinfo->palette[regno].blue = blue;
1658
1659 /* default */
1660 pindex = regno;
1661
1662 if (!rinfo->asleep) {
1663 vclk_cntl = INPLL(VCLK_ECP_CNTL);
1664 OUTPLL(VCLK_ECP_CNTL, vclk_cntl & ~PIXCLK_DAC_ALWAYS_ONb);
1665
1666 if (rinfo->bpp == 16) {
1667 pindex = regno * 8;
1668
1669 if (rinfo->depth == 16 && regno > 63)
1670 return 1;
1671 if (rinfo->depth == 15 && regno > 31)
1672 return 1;
1673
1674 /* For 565, the green component is mixed one order below */
1675 if (rinfo->depth == 16) {
1676 OUTREG(PALETTE_INDEX, pindex>>1);
1677 OUTREG(PALETTE_DATA, (rinfo->palette[regno>>1].red << 16) |
1678 (green << 8) | (rinfo->palette[regno>>1].blue));
1679 green = rinfo->palette[regno<<1].green;
1680 }
1681 }
1682
1683 if (rinfo->depth != 16 || regno < 32) {
1684 OUTREG(PALETTE_INDEX, pindex);
1685 OUTREG(PALETTE_DATA, (red << 16) | (green << 8) | blue);
1686 }
1687
1688 OUTPLL(VCLK_ECP_CNTL, vclk_cntl);
1689 }
1690 if (regno < 16) {
1691 switch (rinfo->depth) {
1692 case 15:
1693 ((u16 *) (info->pseudo_palette))[regno] =
1694 (regno << 10) | (regno << 5) | regno;
1695 break;
1696 case 16:
1697 ((u16 *) (info->pseudo_palette))[regno] =
1698 (regno << 11) | (regno << 6) | regno;
1699 break;
1700 case 24:
1701 ((u32 *) (info->pseudo_palette))[regno] =
1702 (regno << 16) | (regno << 8) | regno;
1703 break;
1704 case 32:
1705 i = (regno << 8) | regno;
1706 ((u32 *) (info->pseudo_palette))[regno] =
1707 (i << 16) | i;
1708 break;
1709 }
1710 }
1711 return 0;
1712}
1713
1714
1715
1716static void radeon_save_state (struct radeonfb_info *rinfo,
1717 struct radeon_regs *save)
1718{
1719 /* CRTC regs */
1720 save->crtc_gen_cntl = INREG(CRTC_GEN_CNTL);
1721 save->crtc_ext_cntl = INREG(CRTC_EXT_CNTL);
1722 save->dac_cntl = INREG(DAC_CNTL);
1723 save->crtc_h_total_disp = INREG(CRTC_H_TOTAL_DISP);
1724 save->crtc_h_sync_strt_wid = INREG(CRTC_H_SYNC_STRT_WID);
1725 save->crtc_v_total_disp = INREG(CRTC_V_TOTAL_DISP);
1726 save->crtc_v_sync_strt_wid = INREG(CRTC_V_SYNC_STRT_WID);
1727 save->crtc_pitch = INREG(CRTC_PITCH);
1728#if defined(__BIG_ENDIAN)
1729 save->surface_cntl = INREG(SURFACE_CNTL);
1730#endif
1731
1732 /* FP regs */
1733 save->fp_crtc_h_total_disp = INREG(FP_CRTC_H_TOTAL_DISP);
1734 save->fp_crtc_v_total_disp = INREG(FP_CRTC_V_TOTAL_DISP);
1735 save->fp_gen_cntl = INREG(FP_GEN_CNTL);
1736 save->fp_h_sync_strt_wid = INREG(FP_H_SYNC_STRT_WID);
1737 save->fp_horz_stretch = INREG(FP_HORZ_STRETCH);
1738 save->fp_v_sync_strt_wid = INREG(FP_V_SYNC_STRT_WID);
1739 save->fp_vert_stretch = INREG(FP_VERT_STRETCH);
1740 save->lvds_gen_cntl = INREG(LVDS_GEN_CNTL);
1741 save->lvds_pll_cntl = INREG(LVDS_PLL_CNTL);
1742 save->tmds_crc = INREG(TMDS_CRC);
1743 save->tmds_transmitter_cntl = INREG(TMDS_TRANSMITTER_CNTL);
1744 save->vclk_ecp_cntl = INPLL(VCLK_ECP_CNTL);
1745}
1746
1747
1748
1749static int radeonfb_set_par (struct fb_info *info)
1750{
1751 struct radeonfb_info *rinfo = (struct radeonfb_info *)info->par;
1752 struct fb_var_screeninfo *mode = &info->var;
1753 struct radeon_regs newmode;
1754 int hTotal, vTotal, hSyncStart, hSyncEnd,
1755 hSyncPol, vSyncStart, vSyncEnd, vSyncPol, cSync;
1756 u8 hsync_adj_tab[] = {0, 0x12, 9, 9, 6, 5};
1757 u8 hsync_fudge_fp[] = {2, 2, 0, 0, 5, 5};
1758 u32 dotClock = 1000000000 / mode->pixclock,
1759 sync, h_sync_pol, v_sync_pol;
1760 int freq = dotClock / 10; /* x 100 */
1761 int xclk_freq, vclk_freq, xclk_per_trans, xclk_per_trans_precise;
1762 int useable_precision, roff, ron;
1763 int min_bits, format = 0;
1764 int hsync_start, hsync_fudge, bytpp, hsync_wid, vsync_wid;
1765 int primary_mon = PRIMARY_MONITOR(rinfo);
1766 int depth = var_to_depth(mode);
1767 int accel = (mode->accel_flags & FB_ACCELF_TEXT) != 0;
1768
1769 rinfo->xres = mode->xres;
1770 rinfo->yres = mode->yres;
1771 rinfo->xres_virtual = mode->xres_virtual;
1772 rinfo->yres_virtual = mode->yres_virtual;
1773 rinfo->pixclock = mode->pixclock;
1774
1775 hSyncStart = mode->xres + mode->right_margin;
1776 hSyncEnd = hSyncStart + mode->hsync_len;
1777 hTotal = hSyncEnd + mode->left_margin;
1778
1779 vSyncStart = mode->yres + mode->lower_margin;
1780 vSyncEnd = vSyncStart + mode->vsync_len;
1781 vTotal = vSyncEnd + mode->upper_margin;
1782
1783 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
1784 if (rinfo->panel_xres < mode->xres)
1785 rinfo->xres = mode->xres = rinfo->panel_xres;
1786 if (rinfo->panel_yres < mode->yres)
1787 rinfo->yres = mode->yres = rinfo->panel_yres;
1788
1789 hTotal = mode->xres + rinfo->hblank;
1790 hSyncStart = mode->xres + rinfo->hOver_plus;
1791 hSyncEnd = hSyncStart + rinfo->hSync_width;
1792
1793 vTotal = mode->yres + rinfo->vblank;
1794 vSyncStart = mode->yres + rinfo->vOver_plus;
1795 vSyncEnd = vSyncStart + rinfo->vSync_width;
1796 }
1797
1798 sync = mode->sync;
1799 h_sync_pol = sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
1800 v_sync_pol = sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
1801
1802 RTRACE("hStart = %d, hEnd = %d, hTotal = %d\n",
1803 hSyncStart, hSyncEnd, hTotal);
1804 RTRACE("vStart = %d, vEnd = %d, vTotal = %d\n",
1805 vSyncStart, vSyncEnd, vTotal);
1806
1807 hsync_wid = (hSyncEnd - hSyncStart) / 8;
1808 vsync_wid = vSyncEnd - vSyncStart;
1809 if (hsync_wid == 0)
1810 hsync_wid = 1;
1811 else if (hsync_wid > 0x3f) /* max */
1812 hsync_wid = 0x3f;
1813
1814 if (vsync_wid == 0)
1815 vsync_wid = 1;
1816 else if (vsync_wid > 0x1f) /* max */
1817 vsync_wid = 0x1f;
1818
1819 hSyncPol = mode->sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
1820 vSyncPol = mode->sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
1821
1822 cSync = mode->sync & FB_SYNC_COMP_HIGH_ACT ? (1 << 4) : 0;
1823
1824 format = radeon_get_dstbpp(depth);
1825 bytpp = mode->bits_per_pixel >> 3;
1826
1827 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD))
1828 hsync_fudge = hsync_fudge_fp[format-1];
1829 else
1830 hsync_fudge = hsync_adj_tab[format-1];
1831
1832 hsync_start = hSyncStart - 8 + hsync_fudge;
1833
1834 newmode.crtc_gen_cntl = CRTC_EXT_DISP_EN | CRTC_EN |
1835 (format << 8);
1836
1837 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
1838 newmode.crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN;
1839 if (mirror)
1840 newmode.crtc_ext_cntl |= CRTC_CRT_ON;
1841
1842 newmode.crtc_gen_cntl &= ~(CRTC_DBL_SCAN_EN |
1843 CRTC_INTERLACE_EN);
1844 } else {
1845 newmode.crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN |
1846 CRTC_CRT_ON;
1847 }
1848
1849 newmode.dac_cntl = /* INREG(DAC_CNTL) | */ DAC_MASK_ALL | DAC_VGA_ADR_EN |
1850 DAC_8BIT_EN;
1851
1852 newmode.crtc_h_total_disp = ((((hTotal / 8) - 1) & 0x3ff) |
1853 (((mode->xres / 8) - 1) << 16));
1854
1855 newmode.crtc_h_sync_strt_wid = ((hsync_start & 0x1fff) |
1856 (hsync_wid << 16) | (h_sync_pol << 23));
1857
1858 newmode.crtc_v_total_disp = ((vTotal - 1) & 0xffff) |
1859 ((mode->yres - 1) << 16);
1860
1861 newmode.crtc_v_sync_strt_wid = (((vSyncStart - 1) & 0xfff) |
1862 (vsync_wid << 16) | (v_sync_pol << 23));
1863
1864 if (accel) {
1865 /* We first calculate the engine pitch */
1866 rinfo->pitch = ((mode->xres_virtual * ((mode->bits_per_pixel + 1) / 8) + 0x3f)
1867 & ~(0x3f)) >> 6;
1868
1869 /* Then, re-multiply it to get the CRTC pitch */
1870 newmode.crtc_pitch = (rinfo->pitch << 3) / ((mode->bits_per_pixel + 1) / 8);
1871 } else
1872 newmode.crtc_pitch = (mode->xres_virtual >> 3);
1873 newmode.crtc_pitch |= (newmode.crtc_pitch << 16);
1874
1875#if defined(__BIG_ENDIAN)
1876 /*
1877 * It looks like recent chips have a problem with SURFACE_CNTL,
1878 * setting SURF_TRANSLATION_DIS completely disables the
1879 * swapper as well, so we leave it unset now.
1880 */
1881 newmode.surface_cntl = 0;
1882
1883 /* Setup swapping on both apertures, though we currently
1884 * only use aperture 0, enabling swapper on aperture 1
1885 * won't harm
1886 */
1887 switch (mode->bits_per_pixel) {
1888 case 16:
1889 newmode.surface_cntl |= NONSURF_AP0_SWP_16BPP;
1890 newmode.surface_cntl |= NONSURF_AP1_SWP_16BPP;
1891 break;
1892 case 24:
1893 case 32:
1894 newmode.surface_cntl |= NONSURF_AP0_SWP_32BPP;
1895 newmode.surface_cntl |= NONSURF_AP1_SWP_32BPP;
1896 break;
1897 }
1898#endif
1899
1900 rinfo->pitch = ((mode->xres_virtual * ((mode->bits_per_pixel + 1) / 8) + 0x3f)
1901 & ~(0x3f)) / 64;
1902
1903 RTRACE("h_total_disp = 0x%x\t hsync_strt_wid = 0x%x\n",
1904 newmode.crtc_h_total_disp, newmode.crtc_h_sync_strt_wid);
1905 RTRACE("v_total_disp = 0x%x\t vsync_strt_wid = 0x%x\n",
1906 newmode.crtc_v_total_disp, newmode.crtc_v_sync_strt_wid);
1907
1908 newmode.xres = mode->xres;
1909 newmode.yres = mode->yres;
1910
1911 rinfo->bpp = mode->bits_per_pixel;
1912 rinfo->depth = depth;
1913
1914 if (freq > rinfo->pll.ppll_max)
1915 freq = rinfo->pll.ppll_max;
1916 if (freq*12 < rinfo->pll.ppll_min)
1917 freq = rinfo->pll.ppll_min / 12;
1918
1919 {
1920 struct {
1921 int divider;
1922 int bitvalue;
1923 } *post_div,
1924 post_divs[] = {
1925 { 1, 0 },
1926 { 2, 1 },
1927 { 4, 2 },
1928 { 8, 3 },
1929 { 3, 4 },
1930 { 16, 5 },
1931 { 6, 6 },
1932 { 12, 7 },
1933 { 0, 0 },
1934 };
1935
1936 for (post_div = &post_divs[0]; post_div->divider; ++post_div) {
1937 rinfo->pll_output_freq = post_div->divider * freq;
1938 if (rinfo->pll_output_freq >= rinfo->pll.ppll_min &&
1939 rinfo->pll_output_freq <= rinfo->pll.ppll_max)
1940 break;
1941 }
1942
1943 rinfo->post_div = post_div->divider;
1944 rinfo->fb_div = round_div(rinfo->pll.ref_div*rinfo->pll_output_freq,
1945 rinfo->pll.ref_clk);
1946 newmode.ppll_ref_div = rinfo->pll.ref_div;
1947 newmode.ppll_div_3 = rinfo->fb_div | (post_div->bitvalue << 16);
1948 }
1949 newmode.vclk_ecp_cntl = rinfo->init_state.vclk_ecp_cntl;
1950
1951#ifdef CONFIG_PPC_OF
1952 /* Gross hack for iBook with M7 until I find out a proper fix */
1953 if (machine_is_compatible("PowerBook4,3") && rinfo->arch == RADEON_M7)
1954 newmode.ppll_div_3 = 0x000600ad;
1955#endif /* CONFIG_PPC_OF */
1956
1957 RTRACE("post div = 0x%x\n", rinfo->post_div);
1958 RTRACE("fb_div = 0x%x\n", rinfo->fb_div);
1959 RTRACE("ppll_div_3 = 0x%x\n", newmode.ppll_div_3);
1960
1961 /* DDA */
1962 vclk_freq = round_div(rinfo->pll.ref_clk * rinfo->fb_div,
1963 rinfo->pll.ref_div * rinfo->post_div);
1964 xclk_freq = rinfo->pll.xclk;
1965
1966 xclk_per_trans = round_div(xclk_freq * 128, vclk_freq * mode->bits_per_pixel);
1967
1968 min_bits = min_bits_req(xclk_per_trans);
1969 useable_precision = min_bits + 1;
1970
1971 xclk_per_trans_precise = round_div((xclk_freq * 128) << (11 - useable_precision),
1972 vclk_freq * mode->bits_per_pixel);
1973
1974 ron = (4 * rinfo->ram.mb + 3 * _max(rinfo->ram.trcd - 2, 0) +
1975 2 * rinfo->ram.trp + rinfo->ram.twr + rinfo->ram.cl + rinfo->ram.tr2w +
1976 xclk_per_trans) << (11 - useable_precision);
1977 roff = xclk_per_trans_precise * (32 - 4);
1978
1979 RTRACE("ron = %d, roff = %d\n", ron, roff);
1980 RTRACE("vclk_freq = %d, per = %d\n", vclk_freq, xclk_per_trans_precise);
1981
1982 if ((ron + rinfo->ram.rloop) >= roff) {
1983 printk("radeonfb: error ron out of range\n");
1984 return -EINVAL;
1985 }
1986
1987 newmode.dda_config = (xclk_per_trans_precise |
1988 (useable_precision << 16) |
1989 (rinfo->ram.rloop << 20));
1990 newmode.dda_on_off = (ron << 16) | roff;
1991
1992 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
1993 unsigned int hRatio, vRatio;
1994
1995 /* We force the pixel clock to be always enabled. Allowing it
1996 * to be power managed during blanking would save power, but has
1997 * nasty interactions with the 2D engine & sleep code that haven't
1998 * been solved yet. --BenH
1999 */
2000 newmode.vclk_ecp_cntl &= ~PIXCLK_DAC_ALWAYS_ONb;
2001
2002 if (mode->xres > rinfo->panel_xres)
2003 mode->xres = rinfo->panel_xres;
2004 if (mode->yres > rinfo->panel_yres)
2005 mode->yres = rinfo->panel_yres;
2006
2007 newmode.fp_horz_stretch = (((rinfo->panel_xres / 8) - 1)
2008 << HORZ_PANEL_SHIFT);
2009 newmode.fp_vert_stretch = ((rinfo->panel_yres - 1)
2010 << VERT_PANEL_SHIFT);
2011
2012 if (mode->xres != rinfo->panel_xres) {
2013 hRatio = round_div(mode->xres * HORZ_STRETCH_RATIO_MAX,
2014 rinfo->panel_xres);
2015 newmode.fp_horz_stretch = (((((unsigned long)hRatio) & HORZ_STRETCH_RATIO_MASK)) |
2016 (newmode.fp_horz_stretch &
2017 (HORZ_PANEL_SIZE | HORZ_FP_LOOP_STRETCH |
2018 HORZ_AUTO_RATIO_INC)));
2019 newmode.fp_horz_stretch |= (HORZ_STRETCH_BLEND |
2020 HORZ_STRETCH_ENABLE);
2021 }
2022 newmode.fp_horz_stretch &= ~HORZ_AUTO_RATIO;
2023
2024 if (mode->yres != rinfo->panel_yres) {
2025 vRatio = round_div(mode->yres * VERT_STRETCH_RATIO_MAX,
2026 rinfo->panel_yres);
2027 newmode.fp_vert_stretch = (((((unsigned long)vRatio) & VERT_STRETCH_RATIO_MASK)) |
2028 (newmode.fp_vert_stretch &
2029 (VERT_PANEL_SIZE | VERT_STRETCH_RESERVED)));
2030 newmode.fp_vert_stretch |= (VERT_STRETCH_BLEND |
2031 VERT_STRETCH_ENABLE);
2032 }
2033 newmode.fp_vert_stretch &= ~VERT_AUTO_RATIO_EN;
2034
2035 newmode.fp_gen_cntl = (rinfo->init_state.fp_gen_cntl & (u32)
2036 ~(FP_SEL_CRTC2 |
2037 FP_RMX_HVSYNC_CONTROL_EN |
2038 FP_DFP_SYNC_SEL |
2039 FP_CRT_SYNC_SEL |
2040 FP_CRTC_LOCK_8DOT |
2041 FP_USE_SHADOW_EN |
2042 FP_CRTC_USE_SHADOW_VEND |
2043 FP_CRT_SYNC_ALT));
2044
2045 newmode.fp_gen_cntl |= (FP_CRTC_DONT_SHADOW_VPAR |
2046 FP_CRTC_DONT_SHADOW_HEND);
2047
2048 newmode.lvds_gen_cntl = rinfo->init_state.lvds_gen_cntl;
2049 newmode.lvds_pll_cntl = rinfo->init_state.lvds_pll_cntl;
2050 newmode.tmds_crc = rinfo->init_state.tmds_crc;
2051 newmode.tmds_transmitter_cntl = rinfo->init_state.tmds_transmitter_cntl;
2052
2053 if (primary_mon == MT_LCD) {
2054 newmode.lvds_gen_cntl |= (LVDS_ON | LVDS_BLON);
2055 newmode.fp_gen_cntl &= ~(FP_FPON | FP_TMDS_EN);
2056 } else {
2057 /* DFP */
2058 newmode.fp_gen_cntl |= (FP_FPON | FP_TMDS_EN);
2059 newmode.tmds_transmitter_cntl = (TMDS_RAN_PAT_RST |
2060 TMDS_ICHCSEL | TMDS_PLL_EN) &
2061 ~(TMDS_PLLRST);
2062 newmode.crtc_ext_cntl &= ~CRTC_CRT_ON;
2063 }
2064
2065 newmode.fp_crtc_h_total_disp = (((rinfo->hblank / 8) & 0x3ff) |
2066 (((mode->xres / 8) - 1) << 16));
2067 newmode.fp_crtc_v_total_disp = (rinfo->vblank & 0xffff) |
2068 ((mode->yres - 1) << 16);
2069 newmode.fp_h_sync_strt_wid = ((rinfo->hOver_plus & 0x1fff) |
2070 (hsync_wid << 16) | (h_sync_pol << 23));
2071 newmode.fp_v_sync_strt_wid = ((rinfo->vOver_plus & 0xfff) |
2072 (vsync_wid << 16) | (v_sync_pol << 23));
2073 }
2074
2075 /* do it! */
2076 if (!rinfo->asleep) {
2077 radeon_write_mode (rinfo, &newmode);
2078 /* (re)initialize the engine */
2079 if (noaccel)
2080 radeon_engine_init (rinfo);
2081
2082 }
2083 /* Update fix */
2084 if (accel)
2085 info->fix.line_length = rinfo->pitch*64;
2086 else
2087 info->fix.line_length = mode->xres_virtual * ((mode->bits_per_pixel + 1) / 8);
2088 info->fix.visual = rinfo->depth == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR;
2089
2090#ifdef CONFIG_BOOTX_TEXT
2091 /* Update debug text engine */
2092 btext_update_display(rinfo->fb_base_phys, mode->xres, mode->yres,
2093 rinfo->depth, info->fix.line_length);
2094#endif
2095
2096 return 0;
2097}
2098
2099
2100static void radeon_write_mode (struct radeonfb_info *rinfo,
2101 struct radeon_regs *mode)
2102{
2103 int i;
2104 int primary_mon = PRIMARY_MONITOR(rinfo);
2105
2106 radeonfb_blank(VESA_POWERDOWN, (struct fb_info *)rinfo);
2107
2108
2109 if (rinfo->arch == RADEON_M6) {
2110 for (i=0; i<7; i++)
2111 OUTREG(common_regs_m6[i].reg, common_regs_m6[i].val);
2112 } else {
2113 for (i=0; i<9; i++)
2114 OUTREG(common_regs[i].reg, common_regs[i].val);
2115 }
2116
2117 OUTREG(CRTC_GEN_CNTL, mode->crtc_gen_cntl);
2118 OUTREGP(CRTC_EXT_CNTL, mode->crtc_ext_cntl,
2119 CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS);
2120 OUTREGP(DAC_CNTL, mode->dac_cntl, DAC_RANGE_CNTL | DAC_BLANKING);
2121 OUTREG(CRTC_H_TOTAL_DISP, mode->crtc_h_total_disp);
2122 OUTREG(CRTC_H_SYNC_STRT_WID, mode->crtc_h_sync_strt_wid);
2123 OUTREG(CRTC_V_TOTAL_DISP, mode->crtc_v_total_disp);
2124 OUTREG(CRTC_V_SYNC_STRT_WID, mode->crtc_v_sync_strt_wid);
2125 OUTREG(CRTC_OFFSET, 0);
2126 OUTREG(CRTC_OFFSET_CNTL, 0);
2127 OUTREG(CRTC_PITCH, mode->crtc_pitch);
2128
2129#if defined(__BIG_ENDIAN)
2130 OUTREG(SURFACE_CNTL, mode->surface_cntl);
2131#endif
2132
2133 while ((INREG(CLOCK_CNTL_INDEX) & PPLL_DIV_SEL_MASK) !=
2134 PPLL_DIV_SEL_MASK) {
2135 OUTREGP(CLOCK_CNTL_INDEX, PPLL_DIV_SEL_MASK, 0xffff);
2136 }
2137
2138 OUTPLLP(PPLL_CNTL, PPLL_RESET, 0xffff);
2139
2140 while ((INPLL(PPLL_REF_DIV) & PPLL_REF_DIV_MASK) !=
2141 (mode->ppll_ref_div & PPLL_REF_DIV_MASK)) {
2142 OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, ~PPLL_REF_DIV_MASK);
2143 }
2144
2145 while ((INPLL(PPLL_DIV_3) & PPLL_FB3_DIV_MASK) !=
2146 (mode->ppll_div_3 & PPLL_FB3_DIV_MASK)) {
2147 OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_FB3_DIV_MASK);
2148 }
2149
2150 while ((INPLL(PPLL_DIV_3) & PPLL_POST3_DIV_MASK) !=
2151 (mode->ppll_div_3 & PPLL_POST3_DIV_MASK)) {
2152 OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_POST3_DIV_MASK);
2153 }
2154
2155 OUTPLL(HTOTAL_CNTL, 0);
2156
2157 OUTPLLP(PPLL_CNTL, 0, ~PPLL_RESET);
2158
2159// OUTREG(DDA_CONFIG, mode->dda_config);
2160// OUTREG(DDA_ON_OFF, mode->dda_on_off);
2161
2162 if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
2163 OUTREG(FP_CRTC_H_TOTAL_DISP, mode->fp_crtc_h_total_disp);
2164 OUTREG(FP_CRTC_V_TOTAL_DISP, mode->fp_crtc_v_total_disp);
2165 OUTREG(FP_H_SYNC_STRT_WID, mode->fp_h_sync_strt_wid);
2166 OUTREG(FP_V_SYNC_STRT_WID, mode->fp_v_sync_strt_wid);
2167 OUTREG(FP_HORZ_STRETCH, mode->fp_horz_stretch);
2168 OUTREG(FP_VERT_STRETCH, mode->fp_vert_stretch);
2169 OUTREG(FP_GEN_CNTL, mode->fp_gen_cntl);
2170 OUTREG(TMDS_CRC, mode->tmds_crc);
2171 OUTREG(TMDS_TRANSMITTER_CNTL, mode->tmds_transmitter_cntl);
2172
2173 if (primary_mon == MT_LCD) {
2174 unsigned int tmp = INREG(LVDS_GEN_CNTL);
2175
2176 mode->lvds_gen_cntl &= ~LVDS_STATE_MASK;
2177 mode->lvds_gen_cntl |= (rinfo->init_state.lvds_gen_cntl & LVDS_STATE_MASK);
2178
2179 if ((tmp & (LVDS_ON | LVDS_BLON)) ==
2180 (mode->lvds_gen_cntl & (LVDS_ON | LVDS_BLON))) {
2181 OUTREG(LVDS_GEN_CNTL, mode->lvds_gen_cntl);
2182 } else {
2183 if (mode->lvds_gen_cntl & (LVDS_ON | LVDS_BLON)) {
2184 udelay(1000);
2185 OUTREG(LVDS_GEN_CNTL, mode->lvds_gen_cntl);
2186 } else {
2187 OUTREG(LVDS_GEN_CNTL, mode->lvds_gen_cntl |
2188 LVDS_BLON);
2189 udelay(1000);
2190 OUTREG(LVDS_GEN_CNTL, mode->lvds_gen_cntl);
2191 }
2192 }
2193 }
2194 }
2195
2196 radeonfb_blank(VESA_NO_BLANKING, (struct fb_info *)rinfo);
2197
2198 OUTPLL(VCLK_ECP_CNTL, mode->vclk_ecp_cntl);
2199
2200 return;
2201}
2202
2203static struct fb_ops radeonfb_ops = {
2204 .owner = THIS_MODULE,
2205 .fb_check_var = radeonfb_check_var,
2206 .fb_set_par = radeonfb_set_par,
2207 .fb_setcolreg = radeonfb_setcolreg,
2208 .fb_pan_display = radeonfb_pan_display,
2209 .fb_blank = radeonfb_blank,
2210 .fb_ioctl = radeonfb_ioctl,
2211#if 0
2212 .fb_fillrect = radeonfb_fillrect,
2213 .fb_copyarea = radeonfb_copyarea,
2214 .fb_imageblit = radeonfb_imageblit,
2215 .fb_rasterimg = radeonfb_rasterimg,
2216#else
2217 .fb_fillrect = cfb_fillrect,
2218 .fb_copyarea = cfb_copyarea,
2219 .fb_imageblit = cfb_imageblit,
2220#endif
2221};
2222
2223
2224static int __devinit radeon_set_fbinfo (struct radeonfb_info *rinfo)
2225{
2226 struct fb_info *info;
2227
2228 info = &rinfo->info;
2229
2230 info->par = rinfo;
2231 info->pseudo_palette = rinfo->pseudo_palette;
2232 info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
2233 info->fbops = &radeonfb_ops;
2234 info->screen_base = rinfo->fb_base;
2235
2236 /* Fill fix common fields */
2237 strlcpy(info->fix.id, rinfo->name, sizeof(info->fix.id));
2238 info->fix.smem_start = rinfo->fb_base_phys;
2239 info->fix.smem_len = rinfo->video_ram;
2240 info->fix.type = FB_TYPE_PACKED_PIXELS;
2241 info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
2242 info->fix.xpanstep = 8;
2243 info->fix.ypanstep = 1;
2244 info->fix.ywrapstep = 0;
2245 info->fix.type_aux = 0;
2246 info->fix.mmio_start = rinfo->mmio_base_phys;
2247 info->fix.mmio_len = RADEON_REGSIZE;
2248 if (noaccel)
2249 info->fix.accel = FB_ACCEL_NONE;
2250 else
2251 info->fix.accel = FB_ACCEL_ATI_RADEON;
2252
2253 if (radeon_init_disp (rinfo) < 0)
2254 return -1;
2255
2256 return 0;
2257}
2258
2259
2260#ifdef CONFIG_PMAC_BACKLIGHT
2261
2262/* TODO: Dbl check these tables, we don't go up to full ON backlight
2263 * in these, possibly because we noticed MacOS doesn't, but I'd prefer
2264 * having some more official numbers from ATI
2265 */
2266static int backlight_conv_m6[] = {
2267 0xff, 0xc0, 0xb5, 0xaa, 0x9f, 0x94, 0x89, 0x7e,
2268 0x73, 0x68, 0x5d, 0x52, 0x47, 0x3c, 0x31, 0x24
2269};
2270static int backlight_conv_m7[] = {
2271 0x00, 0x3f, 0x4a, 0x55, 0x60, 0x6b, 0x76, 0x81,
2272 0x8c, 0x97, 0xa2, 0xad, 0xb8, 0xc3, 0xce, 0xd9
2273};
2274
2275#define BACKLIGHT_LVDS_OFF
2276#undef BACKLIGHT_DAC_OFF
2277
2278/* We turn off the LCD completely instead of just dimming the backlight.
2279 * This provides some greater power saving and the display is useless
2280 * without backlight anyway.
2281 */
2282
2283static int radeon_set_backlight_enable(int on, int level, void *data)
2284{
2285 struct radeonfb_info *rinfo = (struct radeonfb_info *)data;
2286 unsigned int lvds_gen_cntl = INREG(LVDS_GEN_CNTL);
2287 int* conv_table;
2288
2289 /* Pardon me for that hack... maybe some day we can figure
2290 * out in what direction backlight should work on a given
2291 * panel ?
2292 */
2293 if ((rinfo->arch == RADEON_M7 || rinfo->arch == RADEON_M9)
2294 && !machine_is_compatible("PowerBook4,3"))
2295 conv_table = backlight_conv_m7;
2296 else
2297 conv_table = backlight_conv_m6;
2298
2299 lvds_gen_cntl |= (LVDS_BL_MOD_EN | LVDS_BLON);
2300 if (on && (level > BACKLIGHT_OFF)) {
2301 lvds_gen_cntl |= LVDS_DIGON;
2302 if (!(lvds_gen_cntl & LVDS_ON)) {
2303 lvds_gen_cntl &= ~LVDS_BLON;
2304 OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
2305 (void)INREG(LVDS_GEN_CNTL);
2306 mdelay(10);
2307 lvds_gen_cntl |= LVDS_BLON;
2308 OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
2309 }
2310 lvds_gen_cntl &= ~LVDS_BL_MOD_LEVEL_MASK;
2311 lvds_gen_cntl |= (conv_table[level] <<
2312 LVDS_BL_MOD_LEVEL_SHIFT);
2313 lvds_gen_cntl |= (LVDS_ON | LVDS_EN);
2314 lvds_gen_cntl &= ~LVDS_DISPLAY_DIS;
2315 } else {
2316 lvds_gen_cntl &= ~LVDS_BL_MOD_LEVEL_MASK;
2317 lvds_gen_cntl |= (conv_table[0] <<
2318 LVDS_BL_MOD_LEVEL_SHIFT);
2319 lvds_gen_cntl |= LVDS_DISPLAY_DIS;
2320 OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
2321 udelay(10);
2322 lvds_gen_cntl &= ~(LVDS_ON | LVDS_EN | LVDS_BLON | LVDS_DIGON);
2323 }
2324
2325 OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
2326 rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
2327 rinfo->init_state.lvds_gen_cntl |= (lvds_gen_cntl & LVDS_STATE_MASK);
2328
2329 return 0;
2330}
2331
2332static int radeon_set_backlight_level(int level, void *data)
2333{
2334 return radeon_set_backlight_enable(1, level, data);
2335}
2336#endif /* CONFIG_PMAC_BACKLIGHT */
2337
2338
2339#ifdef CONFIG_PMAC_PBOOK
2340
2341static u32 dbg_clk;
2342
2343/*
2344 * Radeon M6 Power Management code. This code currently only supports
2345 * the mobile chips, it's based from some informations provided by ATI
2346 * along with hours of tracing of MacOS drivers
2347 */
2348
2349static void radeon_pm_save_regs(struct radeonfb_info *rinfo)
2350{
2351 rinfo->save_regs[0] = INPLL(PLL_PWRMGT_CNTL);
2352 rinfo->save_regs[1] = INPLL(CLK_PWRMGT_CNTL);
2353 rinfo->save_regs[2] = INPLL(MCLK_CNTL);
2354 rinfo->save_regs[3] = INPLL(SCLK_CNTL);
2355 rinfo->save_regs[4] = INPLL(CLK_PIN_CNTL);
2356 rinfo->save_regs[5] = INPLL(VCLK_ECP_CNTL);
2357 rinfo->save_regs[6] = INPLL(PIXCLKS_CNTL);
2358 rinfo->save_regs[7] = INPLL(MCLK_MISC);
2359 rinfo->save_regs[8] = INPLL(P2PLL_CNTL);
2360
2361 rinfo->save_regs[9] = INREG(DISP_MISC_CNTL);
2362 rinfo->save_regs[10] = INREG(DISP_PWR_MAN);
2363 rinfo->save_regs[11] = INREG(LVDS_GEN_CNTL);
2364 rinfo->save_regs[12] = INREG(LVDS_PLL_CNTL);
2365 rinfo->save_regs[13] = INREG(TV_DAC_CNTL);
2366 rinfo->save_regs[14] = INREG(BUS_CNTL1);
2367 rinfo->save_regs[15] = INREG(CRTC_OFFSET_CNTL);
2368 rinfo->save_regs[16] = INREG(AGP_CNTL);
2369 rinfo->save_regs[17] = (INREG(CRTC_GEN_CNTL) & 0xfdffffff) | 0x04000000;
2370 rinfo->save_regs[18] = (INREG(CRTC2_GEN_CNTL) & 0xfdffffff) | 0x04000000;
2371 rinfo->save_regs[19] = INREG(GPIOPAD_A);
2372 rinfo->save_regs[20] = INREG(GPIOPAD_EN);
2373 rinfo->save_regs[21] = INREG(GPIOPAD_MASK);
2374 rinfo->save_regs[22] = INREG(ZV_LCDPAD_A);
2375 rinfo->save_regs[23] = INREG(ZV_LCDPAD_EN);
2376 rinfo->save_regs[24] = INREG(ZV_LCDPAD_MASK);
2377 rinfo->save_regs[25] = INREG(GPIO_VGA_DDC);
2378 rinfo->save_regs[26] = INREG(GPIO_DVI_DDC);
2379 rinfo->save_regs[27] = INREG(GPIO_MONID);
2380 rinfo->save_regs[28] = INREG(GPIO_CRT2_DDC);
2381
2382 rinfo->save_regs[29] = INREG(SURFACE_CNTL);
2383 rinfo->save_regs[30] = INREG(MC_FB_LOCATION);
2384 rinfo->save_regs[31] = INREG(DISPLAY_BASE_ADDR);
2385 rinfo->save_regs[32] = INREG(MC_AGP_LOCATION);
2386 rinfo->save_regs[33] = INREG(CRTC2_DISPLAY_BASE_ADDR);
2387}
2388
2389static void radeon_pm_restore_regs(struct radeonfb_info *rinfo)
2390{
2391 OUTPLL(P2PLL_CNTL, rinfo->save_regs[8] & 0xFFFFFFFE); /* First */
2392
2393 OUTPLL(PLL_PWRMGT_CNTL, rinfo->save_regs[0]);
2394 OUTPLL(CLK_PWRMGT_CNTL, rinfo->save_regs[1]);
2395 OUTPLL(MCLK_CNTL, rinfo->save_regs[2]);
2396 OUTPLL(SCLK_CNTL, rinfo->save_regs[3]);
2397 OUTPLL(CLK_PIN_CNTL, rinfo->save_regs[4]);
2398 OUTPLL(VCLK_ECP_CNTL, rinfo->save_regs[5]);
2399 OUTPLL(PIXCLKS_CNTL, rinfo->save_regs[6]);
2400 OUTPLL(MCLK_MISC, rinfo->save_regs[7]);
2401
2402 OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]);
2403 OUTREG(DISP_PWR_MAN, rinfo->save_regs[10]);
2404 OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11]);
2405 OUTREG(LVDS_PLL_CNTL,rinfo->save_regs[12]);
2406 OUTREG(TV_DAC_CNTL, rinfo->save_regs[13]);
2407 OUTREG(BUS_CNTL1, rinfo->save_regs[14]);
2408 OUTREG(CRTC_OFFSET_CNTL, rinfo->save_regs[15]);
2409 OUTREG(AGP_CNTL, rinfo->save_regs[16]);
2410 OUTREG(CRTC_GEN_CNTL, rinfo->save_regs[17]);
2411 OUTREG(CRTC2_GEN_CNTL, rinfo->save_regs[18]);
2412
2413 // wait VBL before that one ?
2414 OUTPLL(P2PLL_CNTL, rinfo->save_regs[8]);
2415
2416 OUTREG(GPIOPAD_A, rinfo->save_regs[19]);
2417 OUTREG(GPIOPAD_EN, rinfo->save_regs[20]);
2418 OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]);
2419 OUTREG(ZV_LCDPAD_A, rinfo->save_regs[22]);
2420 OUTREG(ZV_LCDPAD_EN, rinfo->save_regs[23]);
2421 OUTREG(ZV_LCDPAD_MASK, rinfo->save_regs[24]);
2422 OUTREG(GPIO_VGA_DDC, rinfo->save_regs[25]);
2423 OUTREG(GPIO_DVI_DDC, rinfo->save_regs[26]);
2424 OUTREG(GPIO_MONID, rinfo->save_regs[27]);
2425 OUTREG(GPIO_CRT2_DDC, rinfo->save_regs[28]);
2426}
2427
2428static void radeon_pm_disable_iopad(struct radeonfb_info *rinfo)
2429{
2430 OUTREG(GPIOPAD_MASK, 0x0001ffff);
2431 OUTREG(GPIOPAD_EN, 0x00000400);
2432 OUTREG(GPIOPAD_A, 0x00000000);
2433 OUTREG(ZV_LCDPAD_MASK, 0x00000000);
2434 OUTREG(ZV_LCDPAD_EN, 0x00000000);
2435 OUTREG(ZV_LCDPAD_A, 0x00000000);
2436 OUTREG(GPIO_VGA_DDC, 0x00030000);
2437 OUTREG(GPIO_DVI_DDC, 0x00000000);
2438 OUTREG(GPIO_MONID, 0x00030000);
2439 OUTREG(GPIO_CRT2_DDC, 0x00000000);
2440}
2441
2442static void radeon_pm_program_v2clk(struct radeonfb_info *rinfo)
2443{
2444//
2445// u32 reg;
2446//
2447// OUTPLL(P2PLL_REF_DIV, 0x0c);
2448//
2449// .../... figure out what macos does here
2450}
2451
2452static void radeon_pm_low_current(struct radeonfb_info *rinfo)
2453{
2454 u32 reg;
2455
2456 reg = INREG(BUS_CNTL1);
2457 reg &= ~BUS_CNTL1_MOBILE_PLATFORM_SEL_MASK;
2458 reg |= BUS_CNTL1_AGPCLK_VALID | (1<<BUS_CNTL1_MOBILE_PLATFORM_SEL_SHIFT);
2459 OUTREG(BUS_CNTL1, reg);
2460
2461 reg = INPLL(PLL_PWRMGT_CNTL);
2462 reg |= PLL_PWRMGT_CNTL_SPLL_TURNOFF | PLL_PWRMGT_CNTL_PPLL_TURNOFF |
2463 PLL_PWRMGT_CNTL_P2PLL_TURNOFF | PLL_PWRMGT_CNTL_TVPLL_TURNOFF;
2464 reg &= ~PLL_PWRMGT_CNTL_SU_MCLK_USE_BCLK;
2465 reg &= ~PLL_PWRMGT_CNTL_MOBILE_SU;
2466 OUTPLL(PLL_PWRMGT_CNTL, reg);
2467
2468// reg = INPLL(TV_PLL_CNTL1);
2469// reg |= TV_PLL_CNTL1__TVPLL_RESET | TV_PLL_CNTL1__TVPLL_SLEEP;
2470// OUTPLL(TV_PLL_CNTL1, reg);
2471
2472 reg = INREG(TV_DAC_CNTL);
2473 reg &= ~(TV_DAC_CNTL_BGADJ_MASK |TV_DAC_CNTL_DACADJ_MASK);
2474 reg |=TV_DAC_CNTL_BGSLEEP | TV_DAC_CNTL_RDACPD | TV_DAC_CNTL_GDACPD |
2475 TV_DAC_CNTL_BDACPD |
2476 (8<<TV_DAC_CNTL_BGADJ__SHIFT) | (8<<TV_DAC_CNTL_DACADJ__SHIFT);
2477 OUTREG(TV_DAC_CNTL, reg);
2478
2479 reg = INREG(TMDS_TRANSMITTER_CNTL);
2480 reg &= ~(TMDS_PLL_EN |TMDS_PLLRST);
2481 OUTREG(TMDS_TRANSMITTER_CNTL, reg);
2482
2483// lvds_pll_cntl = regr32(g, LVDS_PLL_CNTL);
2484// lvds_pll_cntl &= ~LVDS_PLL_CNTL__LVDS_PLL_EN;
2485// lvds_pll_cntl |= LVDS_PLL_CNTL__LVDS_PLL_RESET;
2486// regw32(g, LVDS_PLL_CNTL, lvds_pll_cntl);
2487
2488 reg = INREG(DAC_CNTL);
2489 reg &= ~DAC_CMP_EN;
2490 OUTREG(DAC_CNTL, reg);
2491
2492 reg = INREG(DAC_CNTL2);
2493 reg &= ~DAC2_CMP_EN;
2494 OUTREG(DAC_CNTL2, reg);
2495
2496 reg = INREG(TV_DAC_CNTL);
2497 reg &= ~TV_DAC_CNTL_DETECT;
2498 OUTREG(TV_DAC_CNTL, reg);
2499}
2500
2501static void radeon_pm_setup_for_suspend(struct radeonfb_info *rinfo)
2502{
2503 /* This code is disabled. It does what is in the pm_init
2504 * function of the MacOS driver code ATI sent me. However,
2505 * it doesn't fix my sleep problem, and is causing other issues
2506 * on wakeup (bascially the machine dying when switching consoles
2507 * I haven't had time to investigate this yet
2508 */
2509#if 0
2510 u32 disp_misc_cntl;
2511 u32 disp_pwr_man;
2512 u32 temp;
2513
2514 // set SPLL, MPLL, PPLL, P2PLL, TVPLL, SCLK, MCLK, PCLK, P2CLK,
2515 // TCLK and TEST_MODE to 0
2516 temp = INPLL(CLK_PWRMGT_CNTL);
2517 OUTPLL(CLK_PWRMGT_CNTL , temp & ~0xc00002ff);
2518
2519 // Turn on Power Management
2520 temp = INPLL(CLK_PWRMGT_CNTL);
2521 OUTPLL(CLK_PWRMGT_CNTL , temp | 0x00000400);
2522
2523 // Turn off display clock if using mobile chips
2524 temp = INPLL(CLK_PWRMGT_CNTL);
2525 OUTREG(CLK_PWRMGT_CNTL , temp | 0x00100000);
2526
2527 // Force PIXCLK_ALWAYS_ON and PIXCLK_DAC_ALWAYS_ON
2528 temp = INPLL(VCLK_ECP_CNTL);
2529 OUTPLL(VCLK_ECP_CNTL, temp & ~0x000000c0);
2530
2531 // Force ECP_FORCE_ON to 1
2532 temp = INPLL(VCLK_ECP_CNTL);
2533 OUTPLL(VCLK_ECP_CNTL, temp | 0x00040000);
2534
2535 // Force PIXCLK_BLEND_ALWAYS_ON and PIXCLK_GV_ALWAYS_ON
2536 temp = INPLL(PIXCLKS_CNTL);
2537 OUTPLL(PIXCLKS_CNTL, temp & ~0x00001800);
2538
2539 // Forcing SCLK_CNTL to ON
2540 OUTPLL(SCLK_CNTL, (INPLL(SCLK_CNTL)& 0x00000007) | 0xffff8000 );
2541
2542 // Set PM control over XTALIN pad
2543 temp = INPLL(CLK_PIN_CNTL);
2544 OUTPLL(CLK_PIN_CNTL, temp | 0x00080000);
2545
2546 // Force MCLK and YCLK and MC as dynamic
2547 temp = INPLL(MCLK_CNTL);
2548 OUTPLL(MCLK_CNTL, temp & 0xffeaffff);
2549
2550 // PLL_TURNOFF
2551 temp = INPLL(PLL_PWRMGT_CNTL);
2552 OUTPLL(PLL_PWRMGT_CNTL, temp | 0x0000001f);
2553
2554 // set MOBILE_SU to 1 if M6 or DDR64 is detected
2555 temp = INPLL(PLL_PWRMGT_CNTL);
2556 OUTPLL(PLL_PWRMGT_CNTL, temp | 0x00010000);
2557
2558 // select PM access mode (PM_MODE_SEL) (use ACPI mode)
2559// temp = INPLL(PLL_PWRMGT_CNTL);
2560// OUTPLL(PLL_PWRMGT_CNTL, temp | 0x00002000);
2561 temp = INPLL(PLL_PWRMGT_CNTL);
2562 OUTPLL(PLL_PWRMGT_CNTL, temp & ~0x00002000);
2563
2564 // set DISP_MISC_CNTL register
2565 disp_misc_cntl = INREG(DISP_MISC_CNTL);
2566 disp_misc_cntl &= ~( DISP_MISC_CNTL_SOFT_RESET_GRPH_PP |
2567 DISP_MISC_CNTL_SOFT_RESET_SUBPIC_PP |
2568 DISP_MISC_CNTL_SOFT_RESET_OV0_PP |
2569 DISP_MISC_CNTL_SOFT_RESET_GRPH_SCLK |
2570 DISP_MISC_CNTL_SOFT_RESET_SUBPIC_SCLK |
2571 DISP_MISC_CNTL_SOFT_RESET_OV0_SCLK |
2572 DISP_MISC_CNTL_SOFT_RESET_GRPH2_PP |
2573 DISP_MISC_CNTL_SOFT_RESET_GRPH2_SCLK |
2574 DISP_MISC_CNTL_SOFT_RESET_LVDS |
2575 DISP_MISC_CNTL_SOFT_RESET_TMDS |
2576 DISP_MISC_CNTL_SOFT_RESET_DIG_TMDS |
2577 DISP_MISC_CNTL_SOFT_RESET_TV);
2578 OUTREG(DISP_MISC_CNTL, disp_misc_cntl);
2579
2580 // set DISP_PWR_MAN register
2581 disp_pwr_man = INREG(DISP_PWR_MAN);
2582 // clau - 9.29.2000 - changes made to bit23:18 to set to 1 as requested by George
2583 disp_pwr_man |= (DISP_PWR_MAN_DIG_TMDS_ENABLE_RST |
2584 DISP_PWR_MAN_TV_ENABLE_RST |
2585 // DISP_PWR_MAN_AUTO_PWRUP_EN |
2586 DISP_PWR_MAN_DISP_D3_GRPH_RST |
2587 DISP_PWR_MAN_DISP_D3_SUBPIC_RST |
2588 DISP_PWR_MAN_DISP_D3_OV0_RST |
2589 DISP_PWR_MAN_DISP_D1D2_GRPH_RST |
2590 DISP_PWR_MAN_DISP_D1D2_SUBPIC_RST |
2591 DISP_PWR_MAN_DISP_D1D2_OV0_RST);
2592 disp_pwr_man &= ~(DISP_PWR_MAN_DISP_PWR_MAN_D3_CRTC_EN |
2593 DISP_PWR_MAN_DISP2_PWR_MAN_D3_CRTC2_EN|
2594 DISP_PWR_MAN_DISP_D3_RST |
2595 DISP_PWR_MAN_DISP_D3_REG_RST);
2596 OUTREG(DISP_PWR_MAN, disp_pwr_man);
2597
2598 // clau - 10.24.2000
2599 // - add in setting for BUS_CNTL1 b27:26 = 0x01 and b31 = 0x1
2600 // - add in setting for AGP_CNTL b7:0 = 0x20
2601 // - add in setting for DVI_DDC_DATA_OUT_EN b17:16 = 0x0
2602
2603 // the following settings (two lines) are applied at a later part of this function, only on mobile platform
2604 // requres -mobile flag
2605 OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1) & 0xf3ffffff) | 0x04000000);
2606 OUTREG(BUS_CNTL1, INREG(BUS_CNTL1) | 0x80000000);
2607 OUTREG(AGP_CNTL, (INREG(AGP_CNTL) & 0xffffff00) | 0x20);
2608 OUTREG(GPIO_DVI_DDC, INREG(GPIO_DVI_DDC) & 0xfffcffff);
2609
2610 // yulee - 12.12.2000
2611 // A12 only
2612 // EN_MCLK_TRISTATE_IN_SUSPEND@MCLK_MISC = 1
2613 // ACCESS_REGS_IN_SUSPEND@CLK_PIN_CNTL = 0
2614 // only on mobile platform
2615 OUTPLL(MCLK_MISC, INPLL(MCLK_MISC) | 0x00040000 );
2616
2617 // yulee -12.12.2000
2618 // AGPCLK_VALID@BUS_CNTL1 = 1
2619 // MOBILE_PLATFORM_SEL@BUS_CNTL1 = 01
2620 // CRTC_STEREO_SYNC_OUT_EN@CRTC_OFFSET_CNTL = 0
2621 // CG_CLK_TO_OUTPIN@CLK_PIN_CNTL = 0
2622 // only on mobile platform
2623 OUTPLL(CLK_PIN_CNTL, INPLL(CLK_PIN_CNTL ) & 0xFFFFF7FF );
2624 OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1 ) & 0xF3FFFFFF) | 0x84000000 );
2625 OUTREG(CRTC_OFFSET_CNTL, INREG(CRTC_OFFSET_CNTL ) & 0xFFEFFFFF );
2626
2627 mdelay(100);
2628#endif
2629
2630 /* Disable CRTCs */
2631 OUTREG(CRTC_GEN_CNTL, (INREG(CRTC_GEN_CNTL) & ~CRTC_EN) | CRTC_DISP_REQ_EN_B);
2632 OUTREG(CRTC2_GEN_CNTL, (INREG(CRTC2_GEN_CNTL) & ~CRTC2_EN) | CRTC2_DISP_REQ_EN_B);
2633 (void)INREG(CRTC2_GEN_CNTL);
2634 mdelay(17);
2635}
2636
2637static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend)
2638{
2639 u16 pwr_cmd;
2640
2641 if (!rinfo->pm_reg)
2642 return;
2643
2644 /* Set the chip into appropriate suspend mode (we use D2,
2645 * D3 would require a compete re-initialization of the chip,
2646 * including PCI config registers, clocks, AGP conf, ...)
2647 */
2648 if (suspend) {
2649 /* According to ATI, we should program V2CLK here, I have
2650 * to verify what's up exactly
2651 */
2652 /* Save some registers */
2653 radeon_pm_save_regs(rinfo);
2654
2655 /* Check that on M7 too, might work might not. M7 may also
2656 * need explicit enabling of PM
2657 */
2658 if (rinfo->arch == RADEON_M6) {
2659 /* Program V2CLK */
2660 radeon_pm_program_v2clk(rinfo);
2661
2662 /* Disable IO PADs */
2663 radeon_pm_disable_iopad(rinfo);
2664
2665 /* Set low current */
2666 radeon_pm_low_current(rinfo);
2667
2668 /* Prepare chip for power management */
2669 radeon_pm_setup_for_suspend(rinfo);
2670
2671 /* Reset the MDLL */
2672 OUTPLL(MDLL_CKO, INPLL(MDLL_CKO) | MCKOA_RESET);
2673 (void)INPLL(MDLL_RDCKA);
2674 OUTPLL(MDLL_CKO, INPLL(MDLL_CKO) & ~MCKOA_RESET);
2675 (void)INPLL(MDLL_RDCKA);
2676 }
2677
2678 /* Switch PCI power managment to D2. */
2679 for (;;) {
2680 pci_read_config_word(
2681 rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL,
2682 &pwr_cmd);
2683 if (pwr_cmd & 2)
2684 break;
2685 pci_write_config_word(
2686 rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL,
2687 (pwr_cmd & ~PCI_PM_CTRL_STATE_MASK) | 2);
2688 mdelay(500);
2689 }
2690 } else {
2691 /* Switch back PCI powermanagment to D0 */
2692 mdelay(200);
2693 pci_write_config_word(rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL, 0);
2694 mdelay(500);
2695
2696 dbg_clk = INPLL(1);
2697
2698 /* Do we need that on M7 ? */
2699 if (rinfo->arch == RADEON_M6) {
2700 /* Restore the MDLL */
2701 OUTPLL(MDLL_CKO, INPLL(MDLL_CKO) & ~MCKOA_RESET);
2702 (void)INPLL(MDLL_CKO);
2703 }
2704
2705 /* Restore some registers */
2706 radeon_pm_restore_regs(rinfo);
2707 }
2708}
2709
2710/*
2711 * Save the contents of the framebuffer when we go to sleep,
2712 * and restore it when we wake up again.
2713 */
2714
2715int radeon_sleep_notify(struct pmu_sleep_notifier *self, int when)
2716{
2717 struct radeonfb_info *rinfo;
2718
2719 for (rinfo = board_list; rinfo != NULL; rinfo = rinfo->next) {
2720 struct fb_fix_screeninfo fix;
2721 int nb;
2722 struct display *disp;
2723
2724 disp = (rinfo->currcon < 0) ? rinfo->info.disp : &fb_display[rinfo->currcon];
2725
2726 switch (rinfo->arch) {
2727 case RADEON_M6:
2728 case RADEON_M7:
2729 case RADEON_M9:
2730 break;
2731 default:
2732 return PBOOK_SLEEP_REFUSE;
2733 }
2734
2735 radeonfb_get_fix(&fix, fg_console, (struct fb_info *)rinfo);
2736 nb = fb_display[fg_console].var.yres * fix.line_length;
2737
2738 switch (when) {
2739 case PBOOK_SLEEP_NOW:
2740 acquire_console_sem();
2741 disp->dispsw = &fbcon_dummy;
2742
2743 if (!noaccel) {
2744 /* Make sure engine is reset */
2745 radeon_engine_reset();
2746 radeon_engine_idle();
2747 }
2748
2749 /* Blank display and LCD */
2750 radeonfb_blank(VESA_POWERDOWN+1,
2751 (struct fb_info *)rinfo);
2752
2753 /* Sleep */
2754 rinfo->asleep = 1;
2755 radeon_set_suspend(rinfo, 1);
2756 release_console_sem();
2757
2758 break;
2759 case PBOOK_WAKE:
2760 acquire_console_sem();
2761 /* Wakeup */
2762 radeon_set_suspend(rinfo, 0);
2763
2764 if (!noaccel)
2765 radeon_engine_init(rinfo);
2766 rinfo->asleep = 0;
2767 radeon_set_dispsw(rinfo, disp);
2768 radeon_load_video_mode(rinfo, &disp->var);
2769 do_install_cmap(rinfo->currcon < 0 ? 0 : rinfo->currcon,
2770 (struct fb_info *)rinfo);
2771
2772 radeonfb_blank(0, (struct fb_info *)rinfo);
2773 release_console_sem();
2774 printk("CLK_PIN_CNTL on wakeup was: %08x\n", dbg_clk);
2775 break;
2776 }
2777 }
2778
2779 return PBOOK_SLEEP_OK;
2780}
2781
2782#endif /* CONFIG_PMAC_PBOOK */
2783
2784static int radeonfb_pci_register (struct pci_dev *pdev,
2785 const struct pci_device_id *ent)
2786{
2787 struct radeonfb_info *rinfo;
2788 struct radeon_chip_info *rci = &radeon_chip_info[ent->driver_data];
2789 u32 tmp;
2790
2791 RTRACE("radeonfb_pci_register BEGIN\n");
2792
2793 /* Enable device in PCI config */
2794 if (pci_enable_device(pdev) != 0) {
2795 printk(KERN_ERR "radeonfb: Cannot enable PCI device\n");
2796 return -ENODEV;
2797 }
2798
2799 rinfo = kmalloc (sizeof (struct radeonfb_info), GFP_KERNEL);
2800 if (!rinfo) {
2801 printk ("radeonfb: could not allocate memory\n");
2802 return -ENODEV;
2803 }
2804
2805 memset (rinfo, 0, sizeof (struct radeonfb_info));
2806 //info = &rinfo->info;
2807 rinfo->pdev = pdev;
2808 strcpy(rinfo->name, rci->name);
2809 rinfo->arch = rci->arch;
2810
2811 /* Set base addrs */
2812 rinfo->fb_base_phys = pci_resource_start (pdev, 0);
2813 rinfo->mmio_base_phys = pci_resource_start (pdev, 2);
2814
2815 /* request the mem regions */
2816 if (!request_mem_region (rinfo->fb_base_phys,
2817 pci_resource_len(pdev, 0), "radeonfb")) {
2818 printk ("radeonfb: cannot reserve FB region\n");
2819 kfree (rinfo);
2820 return -ENODEV;
2821 }
2822
2823 if (!request_mem_region (rinfo->mmio_base_phys,
2824 pci_resource_len(pdev, 2), "radeonfb")) {
2825 printk ("radeonfb: cannot reserve MMIO region\n");
2826 release_mem_region (rinfo->fb_base_phys,
2827 pci_resource_len(pdev, 0));
2828 kfree (rinfo);
2829 return -ENODEV;
2830 }
2831
2832 /* map the regions */
2833 rinfo->mmio_base = ioremap (rinfo->mmio_base_phys, RADEON_REGSIZE);
2834 if (!rinfo->mmio_base) {
2835 printk ("radeonfb: cannot map MMIO\n");
2836 release_mem_region (rinfo->mmio_base_phys,
2837 pci_resource_len(pdev, 2));
2838 release_mem_region (rinfo->fb_base_phys,
2839 pci_resource_len(pdev, 0));
2840 kfree (rinfo);
2841 return -ENODEV;
2842 }
2843
2844 rinfo->chipset = pdev->device;
2845
2846 switch (rinfo->arch) {
2847 case RADEON_R100:
2848 rinfo->hasCRTC2 = 0;
2849 break;
2850 default:
2851 /* all the rest have it */
2852 rinfo->hasCRTC2 = 1;
2853 break;
2854 }
2855#if 0
2856 if (rinfo->arch == RADEON_M7) {
2857 /*
2858 * Noticed some errors in accel with M7, will have to work these out...
2859 */
2860 noaccel = 1;
2861 }
2862#endif
2863 if (mirror)
2864 printk("radeonfb: mirroring display to CRT\n");
2865
2866 /* framebuffer size */
2867 tmp = INREG(CONFIG_MEMSIZE);
2868
2869 /* mem size is bits [28:0], mask off the rest */
2870 rinfo->video_ram = tmp & CONFIG_MEMSIZE_MASK;
2871
2872 /* ram type */
2873 tmp = INREG(MEM_SDRAM_MODE_REG);
2874 switch ((MEM_CFG_TYPE & tmp) >> 30) {
2875 case 0:
2876 /* SDR SGRAM (2:1) */
2877 strcpy(rinfo->ram_type, "SDR SGRAM");
2878 rinfo->ram.ml = 4;
2879 rinfo->ram.mb = 4;
2880 rinfo->ram.trcd = 1;
2881 rinfo->ram.trp = 2;
2882 rinfo->ram.twr = 1;
2883 rinfo->ram.cl = 2;
2884 rinfo->ram.loop_latency = 16;
2885 rinfo->ram.rloop = 16;
2886
2887 break;
2888 case 1:
2889 /* DDR SGRAM */
2890 strcpy(rinfo->ram_type, "DDR SGRAM");
2891 rinfo->ram.ml = 4;
2892 rinfo->ram.mb = 4;
2893 rinfo->ram.trcd = 3;
2894 rinfo->ram.trp = 3;
2895 rinfo->ram.twr = 2;
2896 rinfo->ram.cl = 3;
2897 rinfo->ram.tr2w = 1;
2898 rinfo->ram.loop_latency = 16;
2899 rinfo->ram.rloop = 16;
2900
2901 break;
2902 default:
2903 /* 64-bit SDR SGRAM */
2904 strcpy(rinfo->ram_type, "SDR SGRAM 64");
2905 rinfo->ram.ml = 4;
2906 rinfo->ram.mb = 8;
2907 rinfo->ram.trcd = 3;
2908 rinfo->ram.trp = 3;
2909 rinfo->ram.twr = 1;
2910 rinfo->ram.cl = 3;
2911 rinfo->ram.tr2w = 1;
2912 rinfo->ram.loop_latency = 17;
2913 rinfo->ram.rloop = 17;
2914
2915 break;
2916 }
2917
2918 rinfo->bios_seg = radeon_find_rom(rinfo);
2919 radeon_get_pllinfo(rinfo, rinfo->bios_seg);
2920
2921 /*
2922 * Hack to get around some busted production M6's
2923 * reporting no ram
2924 */
2925 if (rinfo->video_ram == 0) {
2926 switch (pdev->device) {
2927 case PCI_DEVICE_ID_ATI_RADEON_LY:
2928 case PCI_DEVICE_ID_ATI_RADEON_LZ:
2929 rinfo->video_ram = 8192 * 1024;
2930 break;
2931 default:
2932 break;
2933 }
2934 }
2935
2936
2937 RTRACE("radeonfb: probed %s %dk videoram\n", (rinfo->ram_type), (rinfo->video_ram/1024));
2938
2939#if !defined(__powerpc__)
2940 radeon_get_moninfo(rinfo);
2941#else
2942 switch (pdev->device) {
2943 case PCI_DEVICE_ID_ATI_RADEON_LW:
2944 case PCI_DEVICE_ID_ATI_RADEON_LX:
2945 case PCI_DEVICE_ID_ATI_RADEON_LY:
2946 case PCI_DEVICE_ID_ATI_RADEON_LZ:
2947 rinfo->dviDisp_type = MT_LCD;
2948 break;
2949 default:
2950 radeon_get_moninfo(rinfo);
2951 break;
2952 }
2953#endif
2954
2955 radeon_get_EDID(rinfo);
2956
2957 if ((rinfo->dviDisp_type == MT_DFP) || (rinfo->dviDisp_type == MT_LCD) ||
2958 (rinfo->crtDisp_type == MT_DFP)) {
2959 if (!radeon_get_dfpinfo(rinfo)) {
2960 iounmap(rinfo->mmio_base);
2961 release_mem_region (rinfo->mmio_base_phys,
2962 pci_resource_len(pdev, 2));
2963 release_mem_region (rinfo->fb_base_phys,
2964 pci_resource_len(pdev, 0));
2965 kfree (rinfo);
2966 return -ENODEV;
2967 }
2968 }
2969
2970 rinfo->fb_base = ioremap (rinfo->fb_base_phys, rinfo->video_ram);
2971 if (!rinfo->fb_base) {
2972 printk ("radeonfb: cannot map FB\n");
2973 iounmap(rinfo->mmio_base);
2974 release_mem_region (rinfo->mmio_base_phys,
2975 pci_resource_len(pdev, 2));
2976 release_mem_region (rinfo->fb_base_phys,
2977 pci_resource_len(pdev, 0));
2978 kfree (rinfo);
2979 return -ENODEV;
2980 }
2981
2982 /* I SHOULD FIX THAT CRAP ! I should probably mimmic XFree DRI
2983 * driver setup here.
2984 *
2985 * On PPC, OF based cards setup the internal memory
2986 * mapping in strange ways. We change it so that the
2987 * framebuffer is mapped at 0 and given half of the card's
2988 * address space (2Gb). AGP is mapped high (0xe0000000) and
2989 * can use up to 512Mb. Once DRI is fully implemented, we
2990 * will have to setup the PCI remapper to remap the agp_special_page
2991 * memory page somewhere between those regions so that the card
2992 * use a normal PCI bus master cycle to access the ring read ptr.
2993 * --BenH.
2994 */
2995#ifdef CONFIG_ALL_PPC
2996 if (rinfo->hasCRTC2)
2997 OUTREG(CRTC2_GEN_CNTL,
2998 (INREG(CRTC2_GEN_CNTL) & ~CRTC2_EN) | CRTC2_DISP_REQ_EN_B);
2999 OUTREG(CRTC_EXT_CNTL, INREG(CRTC_EXT_CNTL) | CRTC_DISPLAY_DIS);
3000 OUTREG(MC_FB_LOCATION, 0x7fff0000);
3001 OUTREG(MC_AGP_LOCATION, 0xffffe000);
3002 OUTREG(DISPLAY_BASE_ADDR, 0x00000000);
3003 if (rinfo->hasCRTC2)
3004 OUTREG(CRTC2_DISPLAY_BASE_ADDR, 0x00000000);
3005 OUTREG(SRC_OFFSET, 0x00000000);
3006 OUTREG(DST_OFFSET, 0x00000000);
3007 mdelay(10);
3008 OUTREG(CRTC_EXT_CNTL, INREG(CRTC_EXT_CNTL) & ~CRTC_DISPLAY_DIS);
3009#endif /* CONFIG_ALL_PPC */
3010
3011 /* save current mode regs before we switch into the new one
3012 * so we can restore this upon __exit
3013 */
3014 radeon_save_state (rinfo, &rinfo->init_state);
3015
3016 /* set all the vital stuff */
3017 radeon_set_fbinfo (rinfo);
3018
3019 pci_set_drvdata(pdev, rinfo);
3020 rinfo->next = board_list;
3021 board_list = rinfo;
3022 ((struct fb_info *) rinfo)->device = &pdev->dev;
3023 if (register_framebuffer ((struct fb_info *) rinfo) < 0) {
3024 printk ("radeonfb: could not register framebuffer\n");
3025 iounmap(rinfo->fb_base);
3026 iounmap(rinfo->mmio_base);
3027 release_mem_region (rinfo->mmio_base_phys,
3028 pci_resource_len(pdev, 2));
3029 release_mem_region (rinfo->fb_base_phys,
3030 pci_resource_len(pdev, 0));
3031 kfree (rinfo);
3032 return -ENODEV;
3033 }
3034
3035#ifdef CONFIG_MTRR
3036 rinfo->mtrr_hdl = nomtrr ? -1 : mtrr_add(rinfo->fb_base_phys,
3037 rinfo->video_ram,
3038 MTRR_TYPE_WRCOMB, 1);
3039#endif
3040
3041#ifdef CONFIG_PMAC_BACKLIGHT
3042 if (rinfo->dviDisp_type == MT_LCD)
3043 register_backlight_controller(&radeon_backlight_controller,
3044 rinfo, "ati");
3045#endif
3046
3047#ifdef CONFIG_PMAC_PBOOK
3048 if (rinfo->dviDisp_type == MT_LCD) {
3049 rinfo->pm_reg = pci_find_capability(pdev, PCI_CAP_ID_PM);
3050 pmu_register_sleep_notifier(&radeon_sleep_notifier);
3051 }
3052#endif
3053
3054 printk ("radeonfb: ATI Radeon %s %s %d MB\n", rinfo->name, rinfo->ram_type,
3055 (rinfo->video_ram/(1024*1024)));
3056
3057 if (rinfo->hasCRTC2) {
3058 printk("radeonfb: DVI port %s monitor connected\n",
3059 GET_MON_NAME(rinfo->dviDisp_type));
3060 printk("radeonfb: CRT port %s monitor connected\n",
3061 GET_MON_NAME(rinfo->crtDisp_type));
3062 } else {
3063 printk("radeonfb: CRT port %s monitor connected\n",
3064 GET_MON_NAME(rinfo->crtDisp_type));
3065 }
3066
3067 RTRACE("radeonfb_pci_register END\n");
3068
3069 return 0;
3070}
3071
3072
3073
3074static void __devexit radeonfb_pci_unregister (struct pci_dev *pdev)
3075{
3076 struct radeonfb_info *rinfo = pci_get_drvdata(pdev);
3077
3078 if (!rinfo)
3079 return;
3080
3081 /* restore original state
3082 *
3083 * Doesn't quite work yet, possibly because of the PPC hacking
3084 * I do on startup, disable for now. --BenH
3085 */
3086 radeon_write_mode (rinfo, &rinfo->init_state);
3087
3088#ifdef CONFIG_MTRR
3089 if (rinfo->mtrr_hdl >= 0)
3090 mtrr_del(rinfo->mtrr_hdl, 0, 0);
3091#endif
3092
3093 unregister_framebuffer ((struct fb_info *) rinfo);
3094
3095 iounmap(rinfo->mmio_base);
3096 iounmap(rinfo->fb_base);
3097
3098 release_mem_region (rinfo->mmio_base_phys,
3099 pci_resource_len(pdev, 2));
3100 release_mem_region (rinfo->fb_base_phys,
3101 pci_resource_len(pdev, 0));
3102
3103 kfree (rinfo);
3104}
3105
3106
3107static struct pci_driver radeonfb_driver = {
3108 .name = "radeonfb",
3109 .id_table = radeonfb_pci_table,
3110 .probe = radeonfb_pci_register,
3111 .remove = __devexit_p(radeonfb_pci_unregister),
3112};
3113
3114#ifndef MODULE
3115static int __init radeonfb_old_setup (char *options)
3116{
3117 char *this_opt;
3118
3119 if (!options || !*options)
3120 return 0;
3121
3122 while ((this_opt = strsep (&options, ",")) != NULL) {
3123 if (!*this_opt)
3124 continue;
3125 if (!strncmp(this_opt, "noaccel", 7)) {
3126 noaccel = 1;
3127 } else if (!strncmp(this_opt, "mirror", 6)) {
3128 mirror = 1;
3129 } else if (!strncmp(this_opt, "dfp", 3)) {
3130 force_dfp = 1;
3131 } else if (!strncmp(this_opt, "panel_yres:", 11)) {
3132 panel_yres = simple_strtoul((this_opt+11), NULL, 0);
3133 } else if (!strncmp(this_opt, "nomtrr", 6)) {
3134 nomtrr = 1;
3135 } else
3136 mode_option = this_opt;
3137 }
3138
3139 return 0;
3140}
3141#endif /* MODULE */
3142
3143static int __init radeonfb_old_init (void)
3144{
3145#ifndef MODULE
3146 char *option = NULL;
3147
3148 if (fb_get_options("radeonfb_old", &option))
3149 return -ENODEV;
3150 radeonfb_old_setup(option);
3151#endif
3152 return pci_register_driver (&radeonfb_driver);
3153}
3154
3155
3156static void __exit radeonfb_old_exit (void)
3157{
3158 pci_unregister_driver (&radeonfb_driver);
3159}
3160
3161module_init(radeonfb_old_init);
3162module_exit(radeonfb_old_exit);
3163
3164
3165MODULE_AUTHOR("Ani Joshi");
3166MODULE_DESCRIPTION("framebuffer driver for ATI Radeon chipset");
3167MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-19 23:06:14 -0500