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path: root/drivers/usb/misc/sisusbvga/sisusb_con.c
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Diffstat (limited to 'drivers/usb/misc/sisusbvga/sisusb_con.c')
-rw-r--r--drivers/usb/misc/sisusbvga/sisusb_con.c127
1 files changed, 51 insertions, 76 deletions
diff --git a/drivers/usb/misc/sisusbvga/sisusb_con.c b/drivers/usb/misc/sisusbvga/sisusb_con.c
index c4f017e1d17a..cd0155310fea 100644
--- a/drivers/usb/misc/sisusbvga/sisusb_con.c
+++ b/drivers/usb/misc/sisusbvga/sisusb_con.c
@@ -70,13 +70,6 @@
#include "sisusb.h"
#include "sisusb_init.h"
-#ifdef INCL_SISUSB_CON
-
-#define sisusbcon_writew(val, addr) (*(addr) = (val))
-#define sisusbcon_readw(addr) (*(addr))
-#define sisusbcon_memmovew(d, s, c) memmove(d, s, c)
-#define sisusbcon_memcpyw(d, s, c) memcpy(d, s, c)
-
/* vc_data -> sisusb conversion table */
static struct sisusb_usb_data *mysisusbs[MAX_NR_CONSOLES];
@@ -86,9 +79,7 @@ static const struct consw sisusb_con;
static inline void
sisusbcon_memsetw(u16 *s, u16 c, unsigned int count)
{
- count /= 2;
- while (count--)
- sisusbcon_writew(c, s++);
+ memset16(s, c, count / 2);
}
static inline void
@@ -346,25 +337,30 @@ sisusbcon_invert_region(struct vc_data *vc, u16 *p, int count)
*/
while (count--) {
- u16 a = sisusbcon_readw(p);
-
- a = ((a) & 0x88ff) |
- (((a) & 0x7000) >> 4) |
- (((a) & 0x0700) << 4);
+ u16 a = *p;
- sisusbcon_writew(a, p++);
+ *p++ = ((a) & 0x88ff) |
+ (((a) & 0x7000) >> 4) |
+ (((a) & 0x0700) << 4);
}
}
-#define SISUSB_VADDR(x,y) \
- ((u16 *)c->vc_origin + \
- (y) * sisusb->sisusb_num_columns + \
- (x))
+static inline void *sisusb_vaddr(const struct sisusb_usb_data *sisusb,
+ const struct vc_data *c, unsigned int x, unsigned int y)
+{
+ return (u16 *)c->vc_origin + y * sisusb->sisusb_num_columns + x;
+}
+
+static inline unsigned long sisusb_haddr(const struct sisusb_usb_data *sisusb,
+ const struct vc_data *c, unsigned int x, unsigned int y)
+{
+ unsigned long offset = c->vc_origin - sisusb->scrbuf;
-#define SISUSB_HADDR(x,y) \
- ((u16 *)(sisusb->vrambase + (c->vc_origin - sisusb->scrbuf)) + \
- (y) * sisusb->sisusb_num_columns + \
- (x))
+ /* 2 bytes per each character */
+ offset += 2 * (y * sisusb->sisusb_num_columns + x);
+
+ return sisusb->vrambase + offset;
+}
/* Interface routine */
static void
@@ -382,9 +378,8 @@ sisusbcon_putc(struct vc_data *c, int ch, int y, int x)
return;
}
-
- sisusb_copy_memory(sisusb, (char *)SISUSB_VADDR(x, y),
- (long)SISUSB_HADDR(x, y), 2);
+ sisusb_copy_memory(sisusb, sisusb_vaddr(sisusb, c, x, y),
+ sisusb_haddr(sisusb, c, x, y), 2);
mutex_unlock(&sisusb->lock);
}
@@ -395,8 +390,6 @@ sisusbcon_putcs(struct vc_data *c, const unsigned short *s,
int count, int y, int x)
{
struct sisusb_usb_data *sisusb;
- u16 *dest;
- int i;
sisusb = sisusb_get_sisusb_lock_and_check(c->vc_num);
if (!sisusb)
@@ -408,18 +401,15 @@ sisusbcon_putcs(struct vc_data *c, const unsigned short *s,
* because the vt does this AFTER calling us.
*/
- dest = SISUSB_VADDR(x, y);
-
- for (i = count; i > 0; i--)
- sisusbcon_writew(sisusbcon_readw(s++), dest++);
+ memcpy(sisusb_vaddr(sisusb, c, x, y), s, count * 2);
if (sisusb_is_inactive(c, sisusb)) {
mutex_unlock(&sisusb->lock);
return;
}
- sisusb_copy_memory(sisusb, (char *)SISUSB_VADDR(x, y),
- (long)SISUSB_HADDR(x, y), count * 2);
+ sisusb_copy_memory(sisusb, sisusb_vaddr(sisusb, c, x, y),
+ sisusb_haddr(sisusb, c, x, y), count * 2);
mutex_unlock(&sisusb->lock);
}
@@ -446,7 +436,7 @@ sisusbcon_clear(struct vc_data *c, int y, int x, int height, int width)
* this AFTER calling us.
*/
- dest = SISUSB_VADDR(x, y);
+ dest = sisusb_vaddr(sisusb, c, x, y);
cols = sisusb->sisusb_num_columns;
@@ -472,8 +462,8 @@ sisusbcon_clear(struct vc_data *c, int y, int x, int height, int width)
length = ((height * cols) - x - (cols - width - x)) * 2;
- sisusb_copy_memory(sisusb, (unsigned char *)SISUSB_VADDR(x, y),
- (long)SISUSB_HADDR(x, y), length);
+ sisusb_copy_memory(sisusb, sisusb_vaddr(sisusb, c, x, y),
+ sisusb_haddr(sisusb, c, x, y), length);
mutex_unlock(&sisusb->lock);
}
@@ -517,12 +507,10 @@ sisusbcon_switch(struct vc_data *c)
(int)(sisusb->scrbuf + sisusb->scrbuf_size - c->vc_origin));
/* Restore the screen contents */
- sisusbcon_memcpyw((u16 *)c->vc_origin, (u16 *)c->vc_screenbuf,
- length);
+ memcpy((u16 *)c->vc_origin, (u16 *)c->vc_screenbuf, length);
- sisusb_copy_memory(sisusb, (unsigned char *)c->vc_origin,
- (long)SISUSB_HADDR(0, 0),
- length);
+ sisusb_copy_memory(sisusb, (char *)c->vc_origin,
+ sisusb_haddr(sisusb, c, 0, 0), length);
mutex_unlock(&sisusb->lock);
@@ -556,8 +544,7 @@ sisusbcon_save_screen(struct vc_data *c)
(int)(sisusb->scrbuf + sisusb->scrbuf_size - c->vc_origin));
/* Save the screen contents to vc's private buffer */
- sisusbcon_memcpyw((u16 *)c->vc_screenbuf, (u16 *)c->vc_origin,
- length);
+ memcpy((u16 *)c->vc_screenbuf, (u16 *)c->vc_origin, length);
mutex_unlock(&sisusb->lock);
}
@@ -628,10 +615,8 @@ sisusbcon_blank(struct vc_data *c, int blank, int mode_switch)
sisusbcon_memsetw((u16 *)c->vc_origin,
c->vc_video_erase_char,
c->vc_screenbuf_size);
- sisusb_copy_memory(sisusb,
- (unsigned char *)c->vc_origin,
- (u32)(sisusb->vrambase +
- (c->vc_origin - sisusb->scrbuf)),
+ sisusb_copy_memory(sisusb, (char *)c->vc_origin,
+ sisusb_haddr(sisusb, c, 0, 0),
c->vc_screenbuf_size);
sisusb->con_blanked = 1;
ret = 1;
@@ -796,24 +781,24 @@ sisusbcon_scroll_area(struct vc_data *c, struct sisusb_usb_data *sisusb,
switch (dir) {
case SM_UP:
- sisusbcon_memmovew(SISUSB_VADDR(0, t),
- SISUSB_VADDR(0, t + lines),
+ memmove(sisusb_vaddr(sisusb, c, 0, t),
+ sisusb_vaddr(sisusb, c, 0, t + lines),
(b - t - lines) * cols * 2);
- sisusbcon_memsetw(SISUSB_VADDR(0, b - lines), eattr,
- lines * cols * 2);
+ sisusbcon_memsetw(sisusb_vaddr(sisusb, c, 0, b - lines),
+ eattr, lines * cols * 2);
break;
case SM_DOWN:
- sisusbcon_memmovew(SISUSB_VADDR(0, t + lines),
- SISUSB_VADDR(0, t),
+ memmove(sisusb_vaddr(sisusb, c, 0, t + lines),
+ sisusb_vaddr(sisusb, c, 0, t),
(b - t - lines) * cols * 2);
- sisusbcon_memsetw(SISUSB_VADDR(0, t), eattr,
+ sisusbcon_memsetw(sisusb_vaddr(sisusb, c, 0, t), eattr,
lines * cols * 2);
break;
}
- sisusb_copy_memory(sisusb, (char *)SISUSB_VADDR(0, t),
- (long)SISUSB_HADDR(0, t), length);
+ sisusb_copy_memory(sisusb, sisusb_vaddr(sisusb, c, 0, t),
+ sisusb_haddr(sisusb, c, 0, t), length);
mutex_unlock(&sisusb->lock);
@@ -830,7 +815,6 @@ sisusbcon_scroll(struct vc_data *c, unsigned int t, unsigned int b,
int copyall = 0;
unsigned long oldorigin;
unsigned int delta = lines * c->vc_size_row;
- u32 originoffset;
/* Returning != 0 means we have done the scrolling successfully.
* Returning 0 makes vt do the scrolling on its own.
@@ -874,7 +858,7 @@ sisusbcon_scroll(struct vc_data *c, unsigned int t, unsigned int b,
if (c->vc_scr_end + delta >=
sisusb->scrbuf + sisusb->scrbuf_size) {
- sisusbcon_memcpyw((u16 *)sisusb->scrbuf,
+ memcpy((u16 *)sisusb->scrbuf,
(u16 *)(oldorigin + delta),
c->vc_screenbuf_size - delta);
c->vc_origin = sisusb->scrbuf;
@@ -892,12 +876,10 @@ sisusbcon_scroll(struct vc_data *c, unsigned int t, unsigned int b,
case SM_DOWN:
if (oldorigin - delta < sisusb->scrbuf) {
- sisusbcon_memmovew((u16 *)(sisusb->scrbuf +
- sisusb->scrbuf_size -
- c->vc_screenbuf_size +
- delta),
- (u16 *)oldorigin,
- c->vc_screenbuf_size - delta);
+ memmove((void *)sisusb->scrbuf + sisusb->scrbuf_size -
+ c->vc_screenbuf_size + delta,
+ (u16 *)oldorigin,
+ c->vc_screenbuf_size - delta);
c->vc_origin = sisusb->scrbuf +
sisusb->scrbuf_size -
c->vc_screenbuf_size;
@@ -913,23 +895,21 @@ sisusbcon_scroll(struct vc_data *c, unsigned int t, unsigned int b,
break;
}
- originoffset = (u32)(c->vc_origin - sisusb->scrbuf);
-
if (copyall)
sisusb_copy_memory(sisusb,
(char *)c->vc_origin,
- (u32)(sisusb->vrambase + originoffset),
+ sisusb_haddr(sisusb, c, 0, 0),
c->vc_screenbuf_size);
else if (dir == SM_UP)
sisusb_copy_memory(sisusb,
(char *)c->vc_origin + c->vc_screenbuf_size - delta,
- (u32)sisusb->vrambase + originoffset +
+ sisusb_haddr(sisusb, c, 0, 0) +
c->vc_screenbuf_size - delta,
delta);
else
sisusb_copy_memory(sisusb,
(char *)c->vc_origin,
- (u32)(sisusb->vrambase + originoffset),
+ sisusb_haddr(sisusb, c, 0, 0),
delta);
c->vc_scr_end = c->vc_origin + c->vc_screenbuf_size;
@@ -1534,8 +1514,3 @@ void __init sisusb_init_concode(void)
for (i = 0; i < MAX_NR_CONSOLES; i++)
mysisusbs[i] = NULL;
}
-
-#endif /* INCL_CON */
-
-
-