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Add support for a console mouse pointer on Open Firmware syscons.

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MFC after:	7.1-RELEASE
This commit is contained in:
Nathan Whitehorn 2008-12-13 20:13:22 +00:00
parent 1b193af610
commit 05156b9b7e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=186050
2 changed files with 85 additions and 1 deletions
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85
sys/powerpc/ofw/ofw_syscons.c
View file

@ -137,10 +137,12 @@ static video_switch_t ofwfbvidsw = {
*/
static vi_blank_display_t ofwfb_blank_display8;
static vi_putc_t ofwfb_putc8;
static vi_putm_t ofwfb_putm8;
static vi_set_border_t ofwfb_set_border8;
static vi_blank_display_t ofwfb_blank_display32;
static vi_putc_t ofwfb_putc32;
static vi_putm_t ofwfb_putm32;
static vi_set_border_t ofwfb_set_border32;
VIDEO_DRIVER(ofwfb, ofwfbvidsw, ofwfb_configure);
@ -250,10 +252,12 @@ ofwfb_configure(int flags)
if (depth == 8) {
sc->sc_blank = ofwfb_blank_display8;
sc->sc_putc = ofwfb_putc8;
sc->sc_putm = ofwfb_putm8;
sc->sc_set_border = ofwfb_set_border8;
} else if (depth == 32) {
sc->sc_blank = ofwfb_blank_display32;
sc->sc_putc = ofwfb_putc32;
sc->sc_putm = ofwfb_putm32;
sc->sc_set_border = ofwfb_set_border32;
} else
return (0);
@ -823,7 +827,86 @@ ofwfb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
sc = (struct ofwfb_softc *)adp;
/* put mouse */
return ((*sc->sc_putm)(adp, x, y, pixel_image, pixel_mask, size,
width));
}
static int
ofwfb_putm8(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
uint32_t pixel_mask, int size, int width)
{
struct ofwfb_softc *sc;
int i, j, k;
uint32_t *addr;
u_char fg, bg;
union {
uint32_t l[2];
uint8_t c[8];
} ch;
sc = (struct ofwfb_softc *)adp;
addr = (u_int32_t *)((int)sc->sc_addr
+ (y + sc->sc_ymargin)*sc->sc_stride
+ x + sc->sc_xmargin);
fg = ofwfb_foreground(SC_NORM_ATTR);
bg = ofwfb_background(SC_NORM_ATTR);
for (i = 0; i < size && i+y < sc->sc_height - 2*sc->sc_ymargin; i++) {
/*
* Use the current values for the line
*/
ch.l[0] = addr[0];
ch.l[1] = addr[1];
/*
* Calculate 2 x 4-chars at a time, and then
* write these out.
*/
for (j = 0, k = width; j < 8; j++, k--) {
if (x + j >= sc->sc_width - 2*sc->sc_xmargin)
continue;
if (pixel_image[i] & (1 << k))
ch.c[j] = (ch.c[j] == fg) ? bg : fg;
}
addr[0] = ch.l[0];
addr[1] = ch.l[1];
addr += (sc->sc_stride / sizeof(u_int32_t));
}
return (0);
}
static int
ofwfb_putm32(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
uint32_t pixel_mask, int size, int width)
{
struct ofwfb_softc *sc;
int i, j, k;
uint32_t fg, bg;
uint32_t *addr;
sc = (struct ofwfb_softc *)adp;
addr = (uint32_t *)sc->sc_addr
+ (y + sc->sc_ymargin)*(sc->sc_stride/4)
+ x + sc->sc_xmargin;
fg = ofwfb_pix32(ofwfb_foreground(SC_NORM_ATTR));
bg = ofwfb_pix32(ofwfb_background(SC_NORM_ATTR));
for (i = 0; i < size && i+y < sc->sc_height - 2*sc->sc_ymargin; i++) {
for (j = 0, k = width; j < 8; j++, k--) {
if (x + j >= sc->sc_width - 2*sc->sc_xmargin)
continue;
if (pixel_image[i] & (1 << k))
*(addr + j) = (*(addr + j) == fg) ? bg : fg;
}
addr += (sc->sc_stride/4);
}
return (0);
}

1
sys/powerpc/ofw/ofw_syscons.h
View file

@ -51,6 +51,7 @@ struct ofwfb_softc {
vi_blank_display_t *sc_blank;
vi_putc_t *sc_putc;
vi_putm_t *sc_putm;
vi_set_border_t *sc_set_border;
#define OFWSC_MAXADDR 8