4 #include <linux/config.h>
5 #include <linux/module.h>
6 #include <linux/kernel.h>
7 #include <linux/sched.h>
8 #include <linux/delay.h>
13 #include <linux/i2c.h>
14 #include <linux/i2c-id.h>
15 #include <linux/i2c-algo-bit.h>
19 #include <video/radeon.h>
21 /***************************************************************
22 * Most of the definitions here are adapted right from XFree86 *
23 ***************************************************************/
27 * Chip families. Must fit in the low 16 bits of a long word
34 CHIP_FAMILY_RS100
, /* U1 (IGP320M) or A3 (IGP320)*/
36 CHIP_FAMILY_RS200
, /* U2 (IGP330M/340M/350M) or A4 (IGP330/340/345/350), RS250 (IGP 7000) */
39 CHIP_FAMILY_RS300
, /* Radeon 9000 IGP */
50 enum radeon_chip_flags
{
51 CHIP_FAMILY_MASK
= 0x0000ffffUL
,
52 CHIP_FLAGS_MASK
= 0xffff0000UL
,
53 CHIP_IS_MOBILITY
= 0x00010000UL
,
54 CHIP_IS_IGP
= 0x00020000UL
,
55 CHIP_HAS_CRTC2
= 0x00040000UL
,
67 MT_CTV
, /* composite TV */
68 MT_STV
/* S-Video out */
122 * This structure contains the various registers manipulated by this
123 * driver for setting or restoring a mode. It's mostly copied from
124 * XFree's RADEONSaveRec structure. A few chip settings might still be
125 * tweaked without beeing reflected or saved in these registers though
128 /* Common registers */
130 u32 ovr_wid_left_right
;
131 u32 ovr_wid_top_bottom
;
145 /* Other registers to save for VT switches or driver load/unload */
148 u32 clock_cntl_index
;
152 /* Surface/tiling registers */
153 u32 surf_lower_bound
[8];
154 u32 surf_upper_bound
[8];
161 u32 crtc_h_total_disp
;
162 u32 crtc_h_sync_strt_wid
;
163 u32 crtc_v_total_disp
;
164 u32 crtc_v_sync_strt_wid
;
166 u32 crtc_offset_cntl
;
169 u32 grph_buffer_cntl
;
172 /* CRTC2 registers */
175 u32 disp_output_cntl
;
177 u32 disp2_merge_cntl
;
178 u32 grph2_buffer_cntl
;
179 u32 crtc2_h_total_disp
;
180 u32 crtc2_h_sync_strt_wid
;
181 u32 crtc2_v_total_disp
;
182 u32 crtc2_v_sync_strt_wid
;
184 u32 crtc2_offset_cntl
;
187 /* Flat panel regs */
188 u32 fp_crtc_h_total_disp
;
189 u32 fp_crtc_v_total_disp
;
192 u32 fp_h_sync_strt_wid
;
193 u32 fp2_h_sync_strt_wid
;
196 u32 fp_v_sync_strt_wid
;
197 u32 fp2_v_sync_strt_wid
;
202 u32 tmds_transmitter_cntl
;
204 /* Computed values for PLL */
214 /* Computed values for PLL2 */
215 u32 dot_clock_freq_2
;
232 int hOver_plus
, hSync_width
, hblank
;
233 int vOver_plus
, vSync_width
, vblank
;
234 int hAct_high
, vAct_high
, interlaced
;
236 int use_bios_dividers
;
242 struct radeonfb_info
;
244 #ifdef CONFIG_FB_RADEON_I2C
245 struct radeon_i2c_chan
{
246 struct radeonfb_info
*rinfo
;
248 struct i2c_adapter adapter
;
249 struct i2c_algo_bit_data algo
;
253 struct radeonfb_info
{
254 struct fb_info
*info
;
256 struct radeon_regs state
;
257 struct radeon_regs init_state
;
259 char name
[DEVICE_NAME_SIZE
];
262 unsigned long mmio_base_phys
;
263 unsigned long fb_base_phys
;
265 void __iomem
*mmio_base
;
266 void __iomem
*fb_base
;
268 unsigned long fb_local_base
;
270 struct pci_dev
*pdev
;
272 void __iomem
*bios_seg
;
275 u32 pseudo_palette
[17];
276 struct { u8 red
, green
, blue
, pad
; }
282 unsigned long video_ram
;
283 unsigned long mapped_vram
;
285 int pitch
, bpp
, depth
;
290 int R300_cg_workaround
;
293 struct panel_info panel_info
;
296 struct fb_videomode
*mon1_modedb
;
301 u32 dp_gui_master_cntl
;
314 /* Lock on register access */
317 /* Timer used for delayed LVDS operations */
318 struct timer_list lvds_timer
;
319 u32 pending_lvds_gen_cntl
;
320 u32 pending_pixclks_cntl
;
322 #ifdef CONFIG_FB_RADEON_I2C
323 struct radeon_i2c_chan i2c
[4];
328 #define PRIMARY_MONITOR(rinfo) (rinfo->mon1_type)
334 #ifdef CONFIG_FB_RADEON_DEBUG
341 #define RTRACE printk
343 #define RTRACE if(0) printk
351 #define INREG8(addr) readb((rinfo->mmio_base)+addr)
352 #define OUTREG8(addr,val) writeb(val, (rinfo->mmio_base)+addr)
353 #define INREG(addr) readl((rinfo->mmio_base)+addr)
354 #define OUTREG(addr,val) writel(val, (rinfo->mmio_base)+addr)
356 static inline void R300_cg_workardound(struct radeonfb_info
*rinfo
)
359 save
= INREG(CLOCK_CNTL_INDEX
);
360 tmp
= save
& ~(0x3f | PLL_WR_EN
);
361 OUTREG(CLOCK_CNTL_INDEX
, tmp
);
362 tmp
= INREG(CLOCK_CNTL_DATA
);
363 OUTREG(CLOCK_CNTL_INDEX
, save
);
366 #define __OUTPLL(addr,val) \
368 OUTREG8(CLOCK_CNTL_INDEX, (addr & 0x0000003f) | 0x00000080); \
369 OUTREG(CLOCK_CNTL_DATA, val); \
373 static inline u32
__INPLL(struct radeonfb_info
*rinfo
, u32 addr
)
376 OUTREG8(CLOCK_CNTL_INDEX
, addr
& 0x0000003f);
377 data
= (INREG(CLOCK_CNTL_DATA
));
378 if (rinfo
->R300_cg_workaround
)
379 R300_cg_workardound(rinfo
);
383 static inline u32
_INPLL(struct radeonfb_info
*rinfo
, u32 addr
)
388 spin_lock_irqsave(&rinfo
->reg_lock
, flags
);
389 data
= __INPLL(rinfo
, addr
);
390 spin_unlock_irqrestore(&rinfo
->reg_lock
, flags
);
394 #define INPLL(addr) _INPLL(rinfo, addr)
396 #define OUTPLL(addr,val) \
398 unsigned long flags;\
399 spin_lock_irqsave(&rinfo->reg_lock, flags); \
400 __OUTPLL(addr, val); \
401 spin_unlock_irqrestore(&rinfo->reg_lock, flags); \
404 #define OUTPLLP(addr,val,mask) \
406 unsigned long flags; \
408 spin_lock_irqsave(&rinfo->reg_lock, flags); \
409 _tmp = __INPLL(rinfo,addr); \
412 __OUTPLL(addr, _tmp); \
413 spin_unlock_irqrestore(&rinfo->reg_lock, flags); \
416 #define OUTREGP(addr,val,mask) \
418 unsigned long flags; \
420 spin_lock_irqsave(&rinfo->reg_lock, flags); \
421 _tmp = INREG(addr); \
424 OUTREG(addr, _tmp); \
425 spin_unlock_irqrestore(&rinfo->reg_lock, flags); \
428 #define MS_TO_HZ(ms) ((ms * HZ + 999) / 1000)
430 #define BIOS_IN8(v) (readb(rinfo->bios_seg + (v)))
431 #define BIOS_IN16(v) (readb(rinfo->bios_seg + (v)) | \
432 (readb(rinfo->bios_seg + (v) + 1) << 8))
433 #define BIOS_IN32(v) (readb(rinfo->bios_seg + (v)) | \
434 (readb(rinfo->bios_seg + (v) + 1) << 8) | \
435 (readb(rinfo->bios_seg + (v) + 2) << 16) | \
436 (readb(rinfo->bios_seg + (v) + 3) << 24))
441 static inline int round_div(int num
, int den
)
443 return (num
+ (den
/ 2)) / den
;
446 static inline int var_to_depth(const struct fb_var_screeninfo
*var
)
448 if (var
->bits_per_pixel
!= 16)
449 return var
->bits_per_pixel
;
450 return (var
->green
.length
== 5) ? 15 : 16;
453 static inline u32
radeon_get_dstbpp(u16 depth
)
470 * 2D Engine helper routines
472 static inline void radeon_engine_flush (struct radeonfb_info
*rinfo
)
477 OUTREGP(RB2D_DSTCACHE_CTLSTAT
, RB2D_DC_FLUSH_ALL
,
480 for (i
=0; i
< 2000000; i
++) {
481 if (!(INREG(RB2D_DSTCACHE_CTLSTAT
) & RB2D_DC_BUSY
))
485 printk(KERN_ERR
"radeonfb: Flush Timeout !\n");
489 static inline void _radeon_fifo_wait (struct radeonfb_info
*rinfo
, int entries
)
493 for (i
=0; i
<2000000; i
++) {
494 if ((INREG(RBBM_STATUS
) & 0x7f) >= entries
)
498 printk(KERN_ERR
"radeonfb: FIFO Timeout !\n");
502 static inline void _radeon_engine_idle (struct radeonfb_info
*rinfo
)
506 /* ensure FIFO is empty before waiting for idle */
507 _radeon_fifo_wait (rinfo
, 64);
509 for (i
=0; i
<2000000; i
++) {
510 if (((INREG(RBBM_STATUS
) & GUI_ACTIVE
)) == 0) {
511 radeon_engine_flush (rinfo
);
516 printk(KERN_ERR
"radeonfb: Idle Timeout !\n");
519 #define radeon_engine_idle() _radeon_engine_idle(rinfo)
520 #define radeon_fifo_wait(entries) _radeon_fifo_wait(rinfo,entries)
524 extern void radeon_create_i2c_busses(struct radeonfb_info
*rinfo
);
525 extern void radeon_delete_i2c_busses(struct radeonfb_info
*rinfo
);
526 extern int radeon_probe_i2c_connector(struct radeonfb_info
*rinfo
, int conn
, u8
**out_edid
);
529 extern void radeon_pm_disable_dynamic_mode(struct radeonfb_info
*rinfo
);
530 extern void radeon_pm_enable_dynamic_mode(struct radeonfb_info
*rinfo
);
531 extern int radeonfb_pci_suspend(struct pci_dev
*pdev
, u32 state
);
532 extern int radeonfb_pci_resume(struct pci_dev
*pdev
);
534 /* Monitor probe functions */
535 extern void radeon_probe_screens(struct radeonfb_info
*rinfo
,
536 const char *monitor_layout
, int ignore_edid
);
537 extern void radeon_check_modes(struct radeonfb_info
*rinfo
, const char *mode_option
);
538 extern int radeon_match_mode(struct radeonfb_info
*rinfo
,
539 struct fb_var_screeninfo
*dest
,
540 const struct fb_var_screeninfo
*src
);
542 /* Accel functions */
543 extern void radeonfb_fillrect(struct fb_info
*info
, const struct fb_fillrect
*region
);
544 extern void radeonfb_copyarea(struct fb_info
*info
, const struct fb_copyarea
*area
);
545 extern void radeonfb_imageblit(struct fb_info
*p
, const struct fb_image
*image
);
546 extern int radeonfb_sync(struct fb_info
*info
);
547 extern void radeonfb_engine_init (struct radeonfb_info
*rinfo
);
548 extern void radeonfb_engine_reset(struct radeonfb_info
*rinfo
);
550 /* Other functions */
551 extern int radeonfb_blank(int blank
, struct fb_info
*info
);
552 extern int radeonfb_set_par(struct fb_info
*info
);
554 #endif /* __RADEONFB_H__ */