summaryrefslogtreecommitdiff
path: root/usr/src/uts/intel/io/vgatext/vgatext.c
diff options
context:
space:
mode:
Diffstat (limited to 'usr/src/uts/intel/io/vgatext/vgatext.c')
-rw-r--r--usr/src/uts/intel/io/vgatext/vgatext.c219
1 files changed, 128 insertions, 91 deletions
diff --git a/usr/src/uts/intel/io/vgatext/vgatext.c b/usr/src/uts/intel/io/vgatext/vgatext.c
index 7835b63ecd..4e85cd7fd9 100644
--- a/usr/src/uts/intel/io/vgatext/vgatext.c
+++ b/usr/src/uts/intel/io/vgatext/vgatext.c
@@ -86,6 +86,15 @@
#define VGA_MMAP_FB_BASE VGA_MEM_ADDR
+/*
+ * This variable allows for this driver to suspend even if it
+ * shouldn't. Note that by setting it, the framebuffer will probably
+ * not come back. So use it with a serial console, or with serial
+ * line debugging (say, for example, if this driver is being modified
+ * to support _some_ hardware doing suspend and resume).
+ */
+int vgatext_force_suspend = 0;
+
static int vgatext_open(dev_t *, int, int, cred_t *);
static int vgatext_close(dev_t, int, int, cred_t *);
static int vgatext_ioctl(dev_t, int, intptr_t, int, cred_t *, int *);
@@ -271,7 +280,7 @@ _init(void)
e = mod_install(&modlinkage);
if (e) {
- ddi_soft_state_fini(&vgatext_softc_head);
+ ddi_soft_state_fini(&vgatext_softc_head);
}
return (e);
}
@@ -282,7 +291,7 @@ _fini(void)
int e;
if ((e = mod_remove(&modlinkage)) != 0)
- return (e);
+ return (e);
ddi_soft_state_fini(&vgatext_softc_head);
@@ -334,7 +343,7 @@ vgatext_check_for_console(dev_info_t *devi, struct vgatext_softc *softc,
if (pci_config_setup(devi, &pci_conf) != DDI_SUCCESS) {
cmn_err(CE_WARN,
- MYNAME ": can't get PCI conf handle");
+ MYNAME ": can't get PCI conf handle");
return;
}
@@ -410,12 +419,18 @@ vgatext_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
switch (cmd) {
case DDI_ATTACH:
- break;
+ break;
case DDI_RESUME:
- return (DDI_SUCCESS);
+ /*
+ * Though vgatext doesn't really know how to resume
+ * on a generic framebuffer, we should succeed, as
+ * it is far better to have no console, than potentiall
+ * have no machine.
+ */
+ return (DDI_SUCCESS);
default:
- return (DDI_FAILURE);
+ return (DDI_FAILURE);
}
/* DDI_ATTACH */
@@ -436,7 +451,7 @@ vgatext_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
softc->polledio.cursor = vgatext_polled_cursor;
error = ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_get_parent(devi),
- DDI_PROP_DONTPASS, "device_type", &parent_type);
+ DDI_PROP_DONTPASS, "device_type", &parent_type);
if (error != DDI_SUCCESS) {
cmn_err(CE_WARN, MYNAME ": can't determine parent type.");
goto fail;
@@ -444,47 +459,47 @@ vgatext_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
if (STREQ(parent_type, "isa") || STREQ(parent_type, "eisa")) {
reg_rnumber = vgatext_get_isa_reg_index(devi, 1, VGA_REG_ADDR,
- &reg_offset);
+ &reg_offset);
if (reg_rnumber < 0) {
cmn_err(CE_WARN,
- MYNAME ": can't find reg entry for registers");
+ MYNAME ": can't find reg entry for registers");
error = DDI_FAILURE;
goto fail;
}
softc->fb_regno = vgatext_get_isa_reg_index(devi, 0,
- VGA_MEM_ADDR, &mem_offset);
+ VGA_MEM_ADDR, &mem_offset);
if (softc->fb_regno < 0) {
cmn_err(CE_WARN,
- MYNAME ": can't find reg entry for memory");
+ MYNAME ": can't find reg entry for memory");
error = DDI_FAILURE;
goto fail;
}
} else if (STREQ(parent_type, "pci") || STREQ(parent_type, "pciex")) {
pci_pcie_bus = 1;
reg_rnumber = vgatext_get_pci_reg_index(devi,
- PCI_REG_ADDR_M|PCI_REG_REL_M,
- PCI_ADDR_IO|PCI_RELOCAT_B, VGA_REG_ADDR,
- &reg_offset);
+ PCI_REG_ADDR_M|PCI_REG_REL_M,
+ PCI_ADDR_IO|PCI_RELOCAT_B, VGA_REG_ADDR,
+ &reg_offset);
if (reg_rnumber < 0) {
cmn_err(CE_WARN,
- MYNAME ": can't find reg entry for registers");
+ MYNAME ": can't find reg entry for registers");
error = DDI_FAILURE;
goto fail;
}
softc->fb_regno = vgatext_get_pci_reg_index(devi,
- PCI_REG_ADDR_M|PCI_REG_REL_M,
- PCI_ADDR_MEM32|PCI_RELOCAT_B, VGA_MEM_ADDR,
- &mem_offset);
+ PCI_REG_ADDR_M|PCI_REG_REL_M,
+ PCI_ADDR_MEM32|PCI_RELOCAT_B, VGA_MEM_ADDR,
+ &mem_offset);
if (softc->fb_regno < 0) {
cmn_err(CE_WARN,
- MYNAME ": can't find reg entry for memory");
+ MYNAME ": can't find reg entry for memory");
error = DDI_FAILURE;
goto fail;
}
agpm = 1; /* should have AGP master support */
} else {
cmn_err(CE_WARN, MYNAME ": unknown parent type \"%s\".",
- parent_type);
+ parent_type);
error = DDI_FAILURE;
goto fail;
}
@@ -492,8 +507,8 @@ vgatext_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
parent_type = NULL;
error = ddi_regs_map_setup(devi, reg_rnumber,
- (caddr_t *)&softc->regs.addr, reg_offset, VGA_REG_SIZE,
- &dev_attr, &softc->regs.handle);
+ (caddr_t *)&softc->regs.addr, reg_offset, VGA_REG_SIZE,
+ &dev_attr, &softc->regs.handle);
if (error != DDI_SUCCESS)
goto fail;
softc->regs.mapped = B_TRUE;
@@ -501,9 +516,9 @@ vgatext_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
softc->fb_size = VGA_MEM_SIZE;
error = ddi_regs_map_setup(devi, softc->fb_regno,
- (caddr_t *)&softc->fb.addr,
- mem_offset, softc->fb_size,
- &dev_attr, &softc->fb.handle);
+ (caddr_t *)&softc->fb.addr,
+ mem_offset, softc->fb_size,
+ &dev_attr, &softc->fb.handle);
if (error != DDI_SUCCESS)
goto fail;
softc->fb.mapped = B_TRUE;
@@ -527,7 +542,7 @@ vgatext_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
goto fail;
if (ddi_prop_lookup_string(DDI_DEV_T_ANY, ddi_root_node(),
- DDI_PROP_DONTPASS, "console", &cons) == DDI_SUCCESS) {
+ DDI_PROP_DONTPASS, "console", &cons) == DDI_SUCCESS) {
if (strcmp(cons, "graphics") == 0) {
happyface_boot = 1;
vgatext_silent = 1;
@@ -589,6 +604,28 @@ vgatext_detach(dev_info_t *devi, ddi_detach_cmd_t cmd)
(void) ddi_soft_state_free(vgatext_softc_head, instance);
return (DDI_SUCCESS);
+ case DDI_SUSPEND:
+ /*
+ * This is a generic VGA file, and therefore, cannot
+ * understand how to deal with suspend and resume on
+ * a generic interface. So we fail any attempt to
+ * suspend. At some point in the future, we might use
+ * this as an entrypoint for display drivers and this
+ * assumption may change.
+ *
+ * However, from a platform development perspective,
+ * it is important that this driver suspend if a
+ * developer is using a serial console and/or working
+ * on a framebuffer driver that will support suspend
+ * and resume. Therefore, we have this module tunable
+ * (purposely using a long name) that will allow for
+ * suspend it it is set. Otherwise we fail.
+ */
+ if (vgatext_force_suspend != 0)
+ return (DDI_SUCCESS);
+ else
+ return (DDI_FAILURE);
+
default:
cmn_err(CE_WARN, "vgatext_detach: unknown cmd 0x%x\n", cmd);
return (DDI_FAILURE);
@@ -676,59 +713,59 @@ do_gfx_ioctl(int cmd, intptr_t data, int mode, struct vgatext_softc *softc)
case VIS_DEVINIT:
- if (!(mode & FKIOCTL)) {
- cmn_err(CE_CONT, kernel_only, "VIS_DEVINIT");
- return (ENXIO);
- }
+ if (!(mode & FKIOCTL)) {
+ cmn_err(CE_CONT, kernel_only, "VIS_DEVINIT");
+ return (ENXIO);
+ }
- err = vgatext_devinit(softc, (struct vis_devinit *)data);
- if (err != 0) {
- cmn_err(CE_WARN,
- "vgatext_ioctl: could not initialize console");
- return (err);
- }
- break;
+ err = vgatext_devinit(softc, (struct vis_devinit *)data);
+ if (err != 0) {
+ cmn_err(CE_WARN,
+ "vgatext_ioctl: could not initialize console");
+ return (err);
+ }
+ break;
case VIS_CONSCOPY: /* move */
- {
- struct vis_conscopy pma;
+ {
+ struct vis_conscopy pma;
- if (ddi_copyin((void *)data, &pma,
- sizeof (struct vis_conscopy), mode))
- return (EFAULT);
+ if (ddi_copyin((void *)data, &pma,
+ sizeof (struct vis_conscopy), mode))
+ return (EFAULT);
- vgatext_cons_copy(softc, &pma);
- break;
- }
+ vgatext_cons_copy(softc, &pma);
+ break;
+ }
case VIS_CONSDISPLAY: /* display */
- {
- struct vis_consdisplay display_request;
+ {
+ struct vis_consdisplay display_request;
- if (ddi_copyin((void *)data, &display_request,
- sizeof (display_request), mode))
- return (EFAULT);
+ if (ddi_copyin((void *)data, &display_request,
+ sizeof (display_request), mode))
+ return (EFAULT);
- vgatext_cons_display(softc, &display_request);
- break;
- }
+ vgatext_cons_display(softc, &display_request);
+ break;
+ }
case VIS_CONSCURSOR:
- {
- struct vis_conscursor cursor_request;
+ {
+ struct vis_conscursor cursor_request;
- if (ddi_copyin((void *)data, &cursor_request,
- sizeof (cursor_request), mode))
- return (EFAULT);
+ if (ddi_copyin((void *)data, &cursor_request,
+ sizeof (cursor_request), mode))
+ return (EFAULT);
- vgatext_cons_cursor(softc, &cursor_request);
+ vgatext_cons_cursor(softc, &cursor_request);
- if (cursor_request.action == VIS_GET_CURSOR &&
- ddi_copyout(&cursor_request, (void *)data,
- sizeof (cursor_request), mode))
- return (EFAULT);
- break;
- }
+ if (cursor_request.action == VIS_GET_CURSOR &&
+ ddi_copyout(&cursor_request, (void *)data,
+ sizeof (cursor_request), mode))
+ return (EFAULT);
+ break;
+ }
case VIS_GETCMAP:
case VIS_PUTCMAP:
@@ -807,7 +844,7 @@ vgatext_kdsetmode(struct vgatext_softc *softc, int mode)
softc->current_base = softc->text_base;
if (softc->cursor.visible) {
vgatext_set_cursor(softc,
- softc->cursor.row, softc->cursor.col);
+ softc->cursor.row, softc->cursor.col);
}
vgatext_restore_colormap(softc);
break;
@@ -852,7 +889,7 @@ vgatext_devmap(dev_t dev, devmap_cookie_t dhp, offset_t off, size_t len,
}
if (!(off >= VGA_MMAP_FB_BASE &&
- off < VGA_MMAP_FB_BASE + softc->fb_size)) {
+ off < VGA_MMAP_FB_BASE + softc->fb_size)) {
cmn_err(CE_WARN, "vgatext: Can't map offset 0x%llx", off);
return (-1);
}
@@ -863,8 +900,8 @@ vgatext_devmap(dev_t dev, devmap_cookie_t dhp, offset_t off, size_t len,
length = len;
if ((err = devmap_devmem_setup(dhp, softc->devi, NULL, softc->fb_regno,
- off - VGA_MMAP_FB_BASE,
- length, PROT_ALL, 0, &dev_attr)) < 0) {
+ off - VGA_MMAP_FB_BASE,
+ length, PROT_ALL, 0, &dev_attr)) < 0) {
return (err);
}
@@ -924,10 +961,10 @@ vgatext_cons_display(struct vgatext_softc *softc, struct vis_consdisplay *da)
* system startup graphics.
*/
attr = (solaris_color_to_pc_color[da->bg_color & 0xf] << 4)
- | solaris_color_to_pc_color[da->fg_color & 0xf];
+ | solaris_color_to_pc_color[da->fg_color & 0xf];
string = da->data;
addr = (struct cgatext *)softc->current_base
- + (da->row * TEXT_COLS + da->col);
+ + (da->row * TEXT_COLS + da->col);
for (i = 0; i < da->width; i++) {
addr->ch = string[i];
addr->attr = attr;
@@ -1130,20 +1167,20 @@ vgatext_set_text(struct vgatext_softc *softc)
/* set sequencer registers */
vga_set_seq(&softc->regs, VGA_SEQ_RST_SYN,
- (vga_get_seq(&softc->regs, VGA_SEQ_RST_SYN) &
- ~VGA_SEQ_RST_SYN_NO_SYNC_RESET));
+ (vga_get_seq(&softc->regs, VGA_SEQ_RST_SYN) &
+ ~VGA_SEQ_RST_SYN_NO_SYNC_RESET));
for (i = 1; i < NUM_SEQ_REG; i++) {
vga_set_seq(&softc->regs, i, VGA_SEQ_TEXT[i]);
}
vga_set_seq(&softc->regs, VGA_SEQ_RST_SYN,
- (vga_get_seq(&softc->regs, VGA_SEQ_RST_SYN) |
- VGA_SEQ_RST_SYN_NO_ASYNC_RESET |
- VGA_SEQ_RST_SYN_NO_SYNC_RESET));
+ (vga_get_seq(&softc->regs, VGA_SEQ_RST_SYN) |
+ VGA_SEQ_RST_SYN_NO_ASYNC_RESET |
+ VGA_SEQ_RST_SYN_NO_SYNC_RESET));
/* set crt controller registers */
vga_set_crtc(&softc->regs, VGA_CRTC_VRE,
- (vga_get_crtc(&softc->regs, VGA_CRTC_VRE) &
- ~VGA_CRTC_VRE_LOCK));
+ (vga_get_crtc(&softc->regs, VGA_CRTC_VRE) &
+ ~VGA_CRTC_VRE_LOCK));
for (i = 0; i < NUM_CRTC_REG; i++) {
vga_set_crtc(&softc->regs, i, VGA_CRTC_TEXT[i]);
}
@@ -1161,8 +1198,8 @@ vgatext_set_text(struct vgatext_softc *softc)
/* set palette */
for (i = 0; i < VGA_TEXT_CMAP_ENTRIES; i++) {
vga_put_cmap(&softc->regs, i, VGA_TEXT_PALETTES[i][0] << 2,
- VGA_TEXT_PALETTES[i][1] << 2,
- VGA_TEXT_PALETTES[i][2] << 2);
+ VGA_TEXT_PALETTES[i][1] << 2,
+ VGA_TEXT_PALETTES[i][2] << 2);
}
for (i = VGA_TEXT_CMAP_ENTRIES; i < VGA8_CMAP_ENTRIES; i++) {
vga_put_cmap(&softc->regs, i, 0, 0, 0);
@@ -1185,10 +1222,10 @@ vgatext_init(struct vgatext_softc *softc)
vga_set_atr(&softc->regs, VGA_ATR_MODE, atr_mode);
#if defined(USE_BORDERS)
vga_set_atr(&softc->regs, VGA_ATR_BDR_CLR,
- vga_get_atr(&softc->regs, VGA_BRIGHT_WHITE));
+ vga_get_atr(&softc->regs, VGA_BRIGHT_WHITE));
#else
vga_set_atr(&softc->regs, VGA_ATR_BDR_CLR,
- vga_get_atr(&softc->regs, VGA_BLACK));
+ vga_get_atr(&softc->regs, VGA_BLACK));
#endif
vgatext_setfont(softc); /* need selectable font? */
}
@@ -1198,7 +1235,7 @@ static void
vgatext_init_graphics(struct vgatext_softc *softc)
{
vga_set_atr(&softc->regs, VGA_ATR_BDR_CLR,
- vga_get_atr(&softc->regs, VGA_BLACK));
+ vga_get_atr(&softc->regs, VGA_BLACK));
}
#endif
@@ -1301,9 +1338,9 @@ vgatext_save_colormap(struct vgatext_softc *softc)
}
for (i = 0; i < VGA8_CMAP_ENTRIES; i++) {
vga_get_cmap(&softc->regs, i,
- &softc->colormap[i].red,
- &softc->colormap[i].green,
- &softc->colormap[i].blue);
+ &softc->colormap[i].red,
+ &softc->colormap[i].green,
+ &softc->colormap[i].blue);
}
}
@@ -1317,9 +1354,9 @@ vgatext_restore_colormap(struct vgatext_softc *softc)
}
for (i = 0; i < VGA8_CMAP_ENTRIES; i++) {
vga_put_cmap(&softc->regs, i,
- softc->colormap[i].red,
- softc->colormap[i].green,
- softc->colormap[i].blue);
+ softc->colormap[i].red,
+ softc->colormap[i].green,
+ softc->colormap[i].blue);
}
}
@@ -1354,7 +1391,7 @@ vgatext_get_pci_reg_index(
pci_regspec_t *reg;
if (ddi_getlongprop(DDI_DEV_T_ANY, devi, DDI_PROP_DONTPASS,
- "reg", (caddr_t)&reg, &length) != DDI_PROP_SUCCESS) {
+ "reg", (caddr_t)&reg, &length) != DDI_PROP_SUCCESS) {
return (-1);
}
@@ -1413,7 +1450,7 @@ vgatext_get_isa_reg_index(
struct regspec *reg;
if (ddi_getlongprop(DDI_DEV_T_ANY, devi, DDI_PROP_DONTPASS,
- "reg", (caddr_t)&reg, &length) != DDI_PROP_SUCCESS) {
+ "reg", (caddr_t)&reg, &length) != DDI_PROP_SUCCESS) {
return (-1);
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-27 18:43:51 +0000