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[src/trunk]: src/sys/dev complete the driver/bus frontend split and make sure...
details: https://anonhg.NetBSD.org/src/rev/e778f2ced44a
branches: trunk
changeset: 763518:e778f2ced44a
user: macallan <macallan%NetBSD.org@localhost>
date: Wed Mar 23 04:02:43 2011 +0000
description:
complete the driver/bus frontend split and make sure the driver can deal with
both PCI and VLB variants of the chip
diffstat:
sys/dev/ic/ct65550.c | 47 +++++++++++++++++++++++++----------------------
sys/dev/ic/ct65550reg.h | 24 ++++++++++++------------
sys/dev/ic/ct65550var.h | 11 ++++-------
sys/dev/pci/chipsfb.c | 26 +++++++++++++++++++-------
4 files changed, 60 insertions(+), 48 deletions(-)
diffs (298 lines):
diff -r 239d5b9c1e4d -r e778f2ced44a sys/dev/ic/ct65550.c
--- a/sys/dev/ic/ct65550.c Wed Mar 23 00:58:38 2011 +0000
+++ b/sys/dev/ic/ct65550.c Wed Mar 23 04:02:43 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ct65550.c,v 1.1 2011/02/09 21:18:04 macallan Exp $ */
+/* $NetBSD: ct65550.c,v 1.2 2011/03/23 04:02:43 macallan Exp $ */
/*
* Copyright (c) 2006 Michael Lorenz
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ct65550.c,v 1.1 2011/02/09 21:18:04 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ct65550.c,v 1.2 2011/03/23 04:02:43 macallan Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -130,13 +130,13 @@
static inline void
chipsfb_write32(struct chipsfb_softc *sc, uint32_t reg, uint32_t val)
{
- bus_space_write_4(sc->sc_fbt, sc->sc_fbh, reg, val);
+ bus_space_write_4(sc->sc_memt, sc->sc_mmregh, reg, val);
}
static inline uint32_t
chipsfb_read32(struct chipsfb_softc *sc, uint32_t reg)
{
- return bus_space_read_4(sc->sc_fbt, sc->sc_fbh, reg);
+ return bus_space_read_4(sc->sc_memt, sc->sc_mmregh, reg);
}
static inline void
@@ -203,10 +203,8 @@
#ifdef CHIPSFB_DEBUG
printf(prop_dictionary_externalize(dict));
#endif
-
chipsfb_init(sc);
- /* we should read these from the chip instead of depending on OF */
width = height = -1;
/* detect panel size */
@@ -218,7 +216,12 @@
height |= (chipsfb_read_indexed(sc, CT_FP_INDEX, FP_VERT_OVERFLOW_1)
& 0x0f) << 8;
height++;
- aprint_verbose("Panel size: %d x %d\n", width, height);
+ if ((width < 640) || ( width > 1280) || (height < 480) ||
+ (height > 1024)) {
+ /* no sane values in the panel registers */
+ width = height = -1;
+ } else
+ aprint_verbose("Panel size: %d x %d\n", width, height);
if (!prop_dictionary_get_uint32(dict, "width", &sc->width))
sc->width = width;
@@ -255,9 +258,6 @@
* since we're not the console we can postpone the rest
* until someone actually allocates a screen for us
*/
-#ifdef notyet
- chipsfb_set_videomode(sc, &videomode_list[0]);
-#endif
}
rasops_unpack_attr(defattr, &fg, &bg, &ul);
@@ -269,7 +269,7 @@
aprint_normal_dev(sc->sc_dev, "%d MB aperture, %d MB VRAM at 0x%08x\n",
(u_int)(sc->sc_fbsize >> 20),
- sc->memsize >> 20, (u_int)sc->sc_fb);
+ (int)sc->memsize >> 20, (u_int)sc->sc_fb);
#ifdef CHIPSFB_DEBUG
aprint_debug("fb: %08lx\n", (ulong)ri->ri_bits);
#endif
@@ -644,7 +644,7 @@
bork = data[i];
latch |= (bork << shift);
if (shift == 24) {
- chipsfb_write32(sc, CT_OFF_DATA, latch);
+ chipsfb_write32(sc, CT_OFF_DATA - CT_OFF_BITBLT, latch);
latch = 0;
shift = 0;
} else
@@ -652,12 +652,12 @@
}
if (shift != 0) {
- chipsfb_write32(sc, CT_OFF_DATA, latch);
+ chipsfb_write32(sc, CT_OFF_DATA - CT_OFF_BITBLT, latch);
}
/* apparently the chip wants 64bit-aligned data or it won't go idle */
if ((count + 3) & 0x04) {
- chipsfb_write32(sc, CT_OFF_DATA, 0);
+ chipsfb_write32(sc, CT_OFF_DATA - CT_OFF_BITBLT, 0);
}
#ifdef CHIPSFB_WAIT
chipsfb_wait_idle(sc);
@@ -760,10 +760,13 @@
struct chipsfb_softc *sc = vd->cookie;
paddr_t pa;
+ if (sc->sc_mmap != NULL)
+ return sc->sc_mmap(v, vs, offset, prot);
+
/* 'regular' framebuffer mmap()ing */
if (offset < sc->memsize) {
- pa = bus_space_mmap(sc->sc_fbt, offset, 0, prot,
- BUS_SPACE_MAP_LINEAR);
+ pa = bus_space_mmap(sc->sc_memt, offset, 0, prot,
+ BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE);
return pa;
}
@@ -809,7 +812,7 @@
ri->ri_stride = sc->width;
ri->ri_flg = RI_CENTER | RI_FULLCLEAR;
- ri->ri_bits = bus_space_vaddr(sc->sc_fbt, sc->sc_fbh);
+ ri->ri_bits = bus_space_vaddr(sc->sc_memt, sc->sc_fbh);
#ifdef CHIPSFB_DEBUG
aprint_debug("addr: %08lx\n", (ulong)ri->ri_bits);
@@ -866,14 +869,14 @@
* if what we wrote to 0 is left untouched. Max. fb size is 4MB so
* we voluntarily stop there.
*/
- chipsfb_write32(sc, 0, 0xf0f0f0f0);
- chipsfb_write32(sc, ofs, 0x0f0f0f0f);
- while ((chipsfb_read32(sc, 0) == 0xf0f0f0f0) &&
- (chipsfb_read32(sc, ofs) == 0x0f0f0f0f) &&
+ bus_space_write_4(sc->sc_memt, sc->sc_fbh, 0, 0xf0f0f0f0);
+ bus_space_write_4(sc->sc_memt, sc->sc_fbh, ofs, 0x0f0f0f0f);
+ while ((bus_space_read_4(sc->sc_memt, sc->sc_fbh, 0) == 0xf0f0f0f0) &&
+ (bus_space_read_4(sc->sc_memt, sc->sc_fbh, ofs) == 0x0f0f0f0f) &&
(ofs < 0x00400000)) {
ofs += 0x00080000;
- chipsfb_write32(sc, ofs, 0x0f0f0f0f);
+ bus_space_write_4(sc->sc_memt, sc->sc_fbh, ofs, 0x0f0f0f0f);
}
return ofs;
diff -r 239d5b9c1e4d -r e778f2ced44a sys/dev/ic/ct65550reg.h
--- a/sys/dev/ic/ct65550reg.h Wed Mar 23 00:58:38 2011 +0000
+++ b/sys/dev/ic/ct65550reg.h Wed Mar 23 04:02:43 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ct65550reg.h,v 1.1 2011/02/09 21:18:04 macallan Exp $ */
+/* $NetBSD: ct65550reg.h,v 1.2 2011/03/23 04:02:43 macallan Exp $ */
/*
* Copyright 2006 by Michael Lorenz.
@@ -62,15 +62,15 @@
#define CT_OFF_BE 0x00800000
/* blitter registers */
-#define CT_BLT_STRIDE CT_OFF_BITBLT
+#define CT_BLT_STRIDE 0x00000000
/*
* upper 16 bit are destination stride in bytes
* lower 16 bit are source stride in bytes
*/
-#define CT_BLT_BG CT_OFF_BITBLT + 0x04
-#define CT_BLT_FG CT_OFF_BITBLT + 0x08
-#define CT_BLT_EXPCTL CT_OFF_BITBLT + 0x0c /* expansion control */
+#define CT_BLT_BG 0x04
+#define CT_BLT_FG 0x08
+#define CT_BLT_EXPCTL 0x0c /* expansion control */
#define LEFT_CLIPPING_MSK 0x0000003f
#define MONO_RIGHT_CLIPPING_MSK 0x00003f00
#define MONO_INITIAL_DISCARD 0x003f0000
@@ -82,7 +82,7 @@
#define MONO_SRC_ALIGN_LONGLONG 0x05000000
#define MONO_SELECT_ALT_FG_BG 0x08000000 /* use CT_SRC_EXP_* */
-#define CT_BLT_CONTROL CT_OFF_BITBLT + 0x10
+#define CT_BLT_CONTROL 0x10
#define BLT_ROP_MASK 0x000000ff
#define BLT_START_RIGHT 0x00000100 /* 0 for start left */
#define BLT_START_BOTTOM 0x00000200 /* 0 for start top */
@@ -101,18 +101,18 @@
#define ROP_NOT_DST 0x55
#define ROP_PAT 0xf0
-#define CT_BLT_PATTERN CT_OFF_BITBLT + 0x14 /* address in vram */
-#define CT_BLT_SRCADDR CT_OFF_BITBLT + 0x18
-#define CT_BLT_DSTADDR CT_OFF_BITBLT + 0x1c
+#define CT_BLT_PATTERN 0x14 /* address in vram */
+#define CT_BLT_SRCADDR 0x18
+#define CT_BLT_DSTADDR 0x1c
-#define CT_BLT_SIZE CT_OFF_BITBLT + 0x20 /* width and height */
+#define CT_BLT_SIZE 0x20 /* width and height */
/*
* upper 16 bit are destination height
* lower 16 bit are destination width in bytes
*/
-#define CT_SRC_EXP_BG CT_OFF_BITBLT + 0x24
-#define CT_SRC_EXP_FG CT_OFF_BITBLT + 0x28
+#define CT_SRC_EXP_BG 0x24
+#define CT_SRC_EXP_FG 0x28
/* extension registers ( via CT_CONF */
#define XR_VENDOR_LO 0x00
diff -r 239d5b9c1e4d -r e778f2ced44a sys/dev/ic/ct65550var.h
--- a/sys/dev/ic/ct65550var.h Wed Mar 23 00:58:38 2011 +0000
+++ b/sys/dev/ic/ct65550var.h Wed Mar 23 04:02:43 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ct65550var.h,v 1.1 2011/02/09 21:18:04 macallan Exp $ */
+/* $NetBSD: ct65550var.h,v 1.2 2011/03/23 04:02:43 macallan Exp $ */
/*
* Copyright (c) 2006 Michael Lorenz
@@ -40,19 +40,16 @@
bus_space_tag_t sc_memt;
bus_space_tag_t sc_iot;
- bus_space_handle_t sc_memh;
- bus_space_tag_t sc_fbt;
- bus_space_tag_t sc_ioregt;
bus_space_handle_t sc_fbh;
+ bus_space_handle_t sc_mmregh;
bus_space_handle_t sc_ioregh;
- bus_addr_t sc_fb, sc_ioreg;
+ bus_addr_t sc_fb;
bus_size_t sc_fbsize, sc_ioregsize;
int (*sc_ioctl)(void *, void *, u_long, void *, int, struct lwp *);
- paddr_t (*chipsfb_mmap)(void *, void *, off_t, int);
+ paddr_t (*sc_mmap)(void *, void *, off_t, int);
- void *sc_ih;
size_t memsize;
diff -r 239d5b9c1e4d -r e778f2ced44a sys/dev/pci/chipsfb.c
--- a/sys/dev/pci/chipsfb.c Wed Mar 23 00:58:38 2011 +0000
+++ b/sys/dev/pci/chipsfb.c Wed Mar 23 04:02:43 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: chipsfb.c,v 1.26 2011/02/09 21:21:32 macallan Exp $ */
+/* $NetBSD: chipsfb.c,v 1.27 2011/03/23 04:02:43 macallan Exp $ */
/*
* Copyright (c) 2006 Michael Lorenz
@@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: chipsfb.c,v 1.26 2011/02/09 21:21:32 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: chipsfb.c,v 1.27 2011/03/23 04:02:43 macallan Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -99,7 +99,8 @@
screg = pci_conf_read(scp->sc_pc, scp->sc_pcitag,
PCI_COMMAND_STATUS_REG);
screg |= PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
- pci_conf_write(scp->sc_pc, scp->sc_pcitag,PCI_COMMAND_STATUS_REG, screg);
+ pci_conf_write(scp->sc_pc, scp->sc_pcitag, PCI_COMMAND_STATUS_REG,
+ screg);
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
aprint_normal(": %s (rev. 0x%02x)\n", devinfo,
@@ -111,12 +112,23 @@
sc->sc_memt = pa->pa_memt;
sc->sc_iot = pa->pa_iot;
sc->sc_ioctl = chipsfb_pci_ioctl;
+ sc->sc_mmap = NULL;
/* the framebuffer */
- if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_MEM,
- BUS_SPACE_MAP_LINEAR,
- &sc->sc_fbt, &sc->sc_fbh, &sc->sc_fb, &sc->sc_fbsize)) {
- aprint_error_dev(sc->sc_dev, "failed to map the frame buffer.\n");
+ sc->sc_fb = (pci_conf_read(scp->sc_pc, scp->sc_pcitag, PCI_BAR0) &
+ ~PCI_MAPREG_MEM_TYPE_MASK);
+ sc->sc_fbsize = 0x01000000; /* 16MB aperture */
+
+ if (bus_space_map(sc->sc_memt, sc->sc_fb, 0x400000,
+ BUS_SPACE_MAP_LINEAR, &sc->sc_fbh)) {
+ aprint_error_dev(sc->sc_dev,
+ "failed to map the frame buffer.\n");
+ }
+
+ if (bus_space_map(sc->sc_memt, sc->sc_fb + CT_OFF_BITBLT, 0x20000,
+ BUS_SPACE_MAP_LINEAR, &sc->sc_mmregh)) {
+ aprint_error_dev(sc->sc_dev,
+ "failed to map MMIO registers.\n");
}
/* IO-mapped registers */
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