diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-13 10:34:01 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-13 10:34:01 -0400 |
commit | d36e311070ee3a378a54142a168ff5cfedba33d5 (patch) | |
tree | 4a5520362a9d9a024c4a170ebc19589fe6afa3a5 /drivers/video | |
parent | 61d6cc54896811086b51fa78d440311974a09b3a (diff) | |
parent | 738eca74d1bd3e51180de179b7b74d4e34c4e5a3 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc: get leo framebuffer working
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/leo.c | 58 |
1 files changed, 26 insertions, 32 deletions
diff --git a/drivers/video/leo.c b/drivers/video/leo.c index 8bc46e930340..13fea61d6ae4 100644 --- a/drivers/video/leo.c +++ b/drivers/video/leo.c | |||
@@ -17,8 +17,8 @@ | |||
17 | #include <linux/fb.h> | 17 | #include <linux/fb.h> |
18 | #include <linux/mm.h> | 18 | #include <linux/mm.h> |
19 | #include <linux/of_device.h> | 19 | #include <linux/of_device.h> |
20 | #include <linux/io.h> | ||
20 | 21 | ||
21 | #include <asm/io.h> | ||
22 | #include <asm/fbio.h> | 22 | #include <asm/fbio.h> |
23 | 23 | ||
24 | #include "sbuslib.h" | 24 | #include "sbuslib.h" |
@@ -33,7 +33,6 @@ static int leo_blank(int, struct fb_info *); | |||
33 | 33 | ||
34 | static int leo_mmap(struct fb_info *, struct vm_area_struct *); | 34 | static int leo_mmap(struct fb_info *, struct vm_area_struct *); |
35 | static int leo_ioctl(struct fb_info *, unsigned int, unsigned long); | 35 | static int leo_ioctl(struct fb_info *, unsigned int, unsigned long); |
36 | static int leo_pan_display(struct fb_var_screeninfo *, struct fb_info *); | ||
37 | 36 | ||
38 | /* | 37 | /* |
39 | * Frame buffer operations | 38 | * Frame buffer operations |
@@ -43,7 +42,6 @@ static struct fb_ops leo_ops = { | |||
43 | .owner = THIS_MODULE, | 42 | .owner = THIS_MODULE, |
44 | .fb_setcolreg = leo_setcolreg, | 43 | .fb_setcolreg = leo_setcolreg, |
45 | .fb_blank = leo_blank, | 44 | .fb_blank = leo_blank, |
46 | .fb_pan_display = leo_pan_display, | ||
47 | .fb_fillrect = cfb_fillrect, | 45 | .fb_fillrect = cfb_fillrect, |
48 | .fb_copyarea = cfb_copyarea, | 46 | .fb_copyarea = cfb_copyarea, |
49 | .fb_imageblit = cfb_imageblit, | 47 | .fb_imageblit = cfb_imageblit, |
@@ -78,7 +76,7 @@ static struct fb_ops leo_ops = { | |||
78 | #define LEO_CUR_TYPE_CMAP 0x00000050 | 76 | #define LEO_CUR_TYPE_CMAP 0x00000050 |
79 | 77 | ||
80 | struct leo_cursor { | 78 | struct leo_cursor { |
81 | u8 xxx0[16]; | 79 | u8 xxx0[16]; |
82 | u32 cur_type; | 80 | u32 cur_type; |
83 | u32 cur_misc; | 81 | u32 cur_misc; |
84 | u32 cur_cursxy; | 82 | u32 cur_cursxy; |
@@ -105,7 +103,7 @@ struct leo_lx_krn { | |||
105 | 103 | ||
106 | struct leo_lc_ss0_krn { | 104 | struct leo_lc_ss0_krn { |
107 | u32 misc; | 105 | u32 misc; |
108 | u8 xxx0[0x800-4]; | 106 | u8 xxx0[0x800-4]; |
109 | u32 rev; | 107 | u32 rev; |
110 | }; | 108 | }; |
111 | 109 | ||
@@ -116,7 +114,7 @@ struct leo_lc_ss0_usr { | |||
116 | u32 fontt; | 114 | u32 fontt; |
117 | u32 extent; | 115 | u32 extent; |
118 | u32 src; | 116 | u32 src; |
119 | u32 dst; | 117 | u32 dst; |
120 | u32 copy; | 118 | u32 copy; |
121 | u32 fill; | 119 | u32 fill; |
122 | }; | 120 | }; |
@@ -129,8 +127,8 @@ struct leo_lc_ss1_usr { | |||
129 | u8 unknown; | 127 | u8 unknown; |
130 | }; | 128 | }; |
131 | 129 | ||
132 | struct leo_ld { | 130 | struct leo_ld_ss0 { |
133 | u8 xxx0[0xe00]; | 131 | u8 xxx0[0xe00]; |
134 | u32 csr; | 132 | u32 csr; |
135 | u32 wid; | 133 | u32 wid; |
136 | u32 wmask; | 134 | u32 wmask; |
@@ -144,13 +142,13 @@ struct leo_ld { | |||
144 | u32 src; /* Copy/Scroll (SS0 only) */ | 142 | u32 src; /* Copy/Scroll (SS0 only) */ |
145 | u32 dst; /* Copy/Scroll/Fill (SS0 only) */ | 143 | u32 dst; /* Copy/Scroll/Fill (SS0 only) */ |
146 | u32 extent; /* Copy/Scroll/Fill size (SS0 only) */ | 144 | u32 extent; /* Copy/Scroll/Fill size (SS0 only) */ |
147 | u32 xxx1[3]; | 145 | u32 xxx1[3]; |
148 | u32 setsem; /* SS1 only */ | 146 | u32 setsem; /* SS1 only */ |
149 | u32 clrsem; /* SS1 only */ | 147 | u32 clrsem; /* SS1 only */ |
150 | u32 clrpick; /* SS1 only */ | 148 | u32 clrpick; /* SS1 only */ |
151 | u32 clrdat; /* SS1 only */ | 149 | u32 clrdat; /* SS1 only */ |
152 | u32 alpha; /* SS1 only */ | 150 | u32 alpha; /* SS1 only */ |
153 | u8 xxx2[0x2c]; | 151 | u8 xxx2[0x2c]; |
154 | u32 winbg; | 152 | u32 winbg; |
155 | u32 planemask; | 153 | u32 planemask; |
156 | u32 rop; | 154 | u32 rop; |
@@ -199,11 +197,12 @@ struct leo_par { | |||
199 | static void leo_wait(struct leo_lx_krn __iomem *lx_krn) | 197 | static void leo_wait(struct leo_lx_krn __iomem *lx_krn) |
200 | { | 198 | { |
201 | int i; | 199 | int i; |
202 | 200 | ||
203 | for (i = 0; | 201 | for (i = 0; |
204 | (sbus_readl(&lx_krn->krn_csr) & LEO_KRN_CSR_PROGRESS) && i < 300000; | 202 | (sbus_readl(&lx_krn->krn_csr) & LEO_KRN_CSR_PROGRESS) && |
203 | i < 300000; | ||
205 | i++) | 204 | i++) |
206 | udelay (1); /* Busy wait at most 0.3 sec */ | 205 | udelay(1); /* Busy wait at most 0.3 sec */ |
207 | return; | 206 | return; |
208 | } | 207 | } |
209 | 208 | ||
@@ -221,7 +220,7 @@ static int leo_setcolreg(unsigned regno, | |||
221 | unsigned transp, struct fb_info *info) | 220 | unsigned transp, struct fb_info *info) |
222 | { | 221 | { |
223 | struct leo_par *par = (struct leo_par *) info->par; | 222 | struct leo_par *par = (struct leo_par *) info->par; |
224 | struct leo_lx_krn __iomem *lx_krn = par->lx_krn; | 223 | struct leo_lx_krn __iomem *lx_krn = par->lx_krn; |
225 | unsigned long flags; | 224 | unsigned long flags; |
226 | u32 val; | 225 | u32 val; |
227 | int i; | 226 | int i; |
@@ -408,7 +407,7 @@ static void leo_wid_put(struct fb_info *info, struct fb_wid_list *wl) | |||
408 | leo_wait(lx_krn); | 407 | leo_wait(lx_krn); |
409 | 408 | ||
410 | for (i = 0, wi = wl->wl_list; i < wl->wl_count; i++, wi++) { | 409 | for (i = 0, wi = wl->wl_list; i < wl->wl_count; i++, wi++) { |
411 | switch(wi->wi_type) { | 410 | switch (wi->wi_type) { |
412 | case FB_WID_DBL_8: | 411 | case FB_WID_DBL_8: |
413 | j = (wi->wi_index & 0xf) + 0x40; | 412 | j = (wi->wi_index & 0xf) + 0x40; |
414 | break; | 413 | break; |
@@ -453,13 +452,12 @@ static void leo_init_wids(struct fb_info *info) | |||
453 | wi.wi_index = 1; | 452 | wi.wi_index = 1; |
454 | wi.wi_values [0] = 0x30; | 453 | wi.wi_values [0] = 0x30; |
455 | leo_wid_put(info, &wl); | 454 | leo_wid_put(info, &wl); |
456 | |||
457 | } | 455 | } |
458 | 456 | ||
459 | static void leo_switch_from_graph(struct fb_info *info) | 457 | static void leo_switch_from_graph(struct fb_info *info) |
460 | { | 458 | { |
461 | struct leo_par *par = (struct leo_par *) info->par; | 459 | struct leo_par *par = (struct leo_par *) info->par; |
462 | struct leo_ld __iomem *ss = (struct leo_ld __iomem *) par->ld_ss0; | 460 | struct leo_ld_ss0 __iomem *ss = par->ld_ss0; |
463 | unsigned long flags; | 461 | unsigned long flags; |
464 | u32 val; | 462 | u32 val; |
465 | 463 | ||
@@ -485,19 +483,13 @@ static void leo_switch_from_graph(struct fb_info *info) | |||
485 | val = sbus_readl(&par->lc_ss0_usr->csr); | 483 | val = sbus_readl(&par->lc_ss0_usr->csr); |
486 | } while (val & 0x20000000); | 484 | } while (val & 0x20000000); |
487 | 485 | ||
488 | spin_unlock_irqrestore(&par->lock, flags); | 486 | /* setup screen buffer for cfb_* functions */ |
489 | } | 487 | sbus_writel(1, &ss->wid); |
490 | 488 | sbus_writel(0x00ffffff, &ss->planemask); | |
491 | static int leo_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) | 489 | sbus_writel(0x310b90, &ss->rop); |
492 | { | 490 | sbus_writel(0, &par->lc_ss0_usr->addrspace); |
493 | /* We just use this to catch switches out of | ||
494 | * graphics mode. | ||
495 | */ | ||
496 | leo_switch_from_graph(info); | ||
497 | 491 | ||
498 | if (var->xoffset || var->yoffset || var->vmode) | 492 | spin_unlock_irqrestore(&par->lock, flags); |
499 | return -EINVAL; | ||
500 | return 0; | ||
501 | } | 493 | } |
502 | 494 | ||
503 | static void leo_init_hw(struct fb_info *info) | 495 | static void leo_init_hw(struct fb_info *info) |
@@ -542,7 +534,8 @@ static void leo_unmap_regs(struct of_device *op, struct fb_info *info, | |||
542 | of_iounmap(&op->resource[0], info->screen_base, 0x800000); | 534 | of_iounmap(&op->resource[0], info->screen_base, 0x800000); |
543 | } | 535 | } |
544 | 536 | ||
545 | static int __devinit leo_probe(struct of_device *op, const struct of_device_id *match) | 537 | static int __devinit leo_probe(struct of_device *op, |
538 | const struct of_device_id *match) | ||
546 | { | 539 | { |
547 | struct device_node *dp = op->node; | 540 | struct device_node *dp = op->node; |
548 | struct fb_info *info; | 541 | struct fb_info *info; |
@@ -594,8 +587,9 @@ static int __devinit leo_probe(struct of_device *op, const struct of_device_id * | |||
594 | !info->screen_base) | 587 | !info->screen_base) |
595 | goto out_unmap_regs; | 588 | goto out_unmap_regs; |
596 | 589 | ||
597 | info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; | 590 | info->flags = FBINFO_DEFAULT; |
598 | info->fbops = &leo_ops; | 591 | info->fbops = &leo_ops; |
592 | info->pseudo_palette = par->clut_data; | ||
599 | 593 | ||
600 | leo_init_wids(info); | 594 | leo_init_wids(info); |
601 | leo_init_hw(info); | 595 | leo_init_hw(info); |
@@ -649,7 +643,7 @@ static int __devexit leo_remove(struct of_device *op) | |||
649 | 643 | ||
650 | static struct of_device_id leo_match[] = { | 644 | static struct of_device_id leo_match[] = { |
651 | { | 645 | { |
652 | .name = "leo", | 646 | .name = "SUNW,leo", |
653 | }, | 647 | }, |
654 | {}, | 648 | {}, |
655 | }; | 649 | }; |