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-rw-r--r--bsd/gamma/gamma_dma.c526
-rw-r--r--bsd/gamma/gamma_drv.c634
-rw-r--r--bsd/gamma/gamma_drv.h86
3 files changed, 251 insertions, 995 deletions
diff --git a/bsd/gamma/gamma_dma.c b/bsd/gamma/gamma_dma.c
index 07d8248b..fd0da710 100644
--- a/bsd/gamma/gamma_dma.c
+++ b/bsd/gamma/gamma_dma.c
@@ -1,4 +1,4 @@
-/* gamma_dma.c -- DMA support for GMX 2000 -*- c -*-
+/* gamma_dma.c -- DMA support for GMX 2000 -*- linux-c -*-
* Created: Fri Mar 19 14:30:16 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@@ -11,11 +11,11 @@
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
- *
+ *
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
@@ -23,77 +23,36 @@
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
- *
+ *
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
*
*/
-#define __NO_VERSION__
+
+
+#include "gamma.h"
#include "drmP.h"
#include "gamma_drv.h"
-#include <machine/bus.h>
-#include <machine/resource.h>
-#include <sys/rman.h>
-#include <vm/vm.h>
-#include <vm/pmap.h>
-
-/* WARNING!!! MAGIC NUMBER!!! The number of regions already added to the
- kernel must be specified here. Currently, the number is 2. This must
- match the order the X server uses for instantiating register regions ,
- or must be passed in a new ioctl. */
-#define GAMMA_REG(reg) \
- (2 \
- + ((reg < 0x1000) \
- ? 0 \
- : ((reg < 0x10000) ? 1 : ((reg < 0x11000) ? 2 : 3))))
-
-#define GAMMA_OFF(reg) \
- ((reg < 0x1000) \
- ? reg \
- : ((reg < 0x10000) \
- ? (reg - 0x1000) \
- : ((reg < 0x11000) \
- ? (reg - 0x10000) \
- : (reg - 0x11000))))
-
-#define GAMMA_BASE(reg) ((unsigned long)dev->maplist[GAMMA_REG(reg)]->handle)
-#define GAMMA_ADDR(reg) (GAMMA_BASE(reg) + GAMMA_OFF(reg))
-#define GAMMA_DEREF(reg) *(__volatile__ int *)GAMMA_ADDR(reg)
-#define GAMMA_READ(reg) GAMMA_DEREF(reg)
-#define GAMMA_WRITE(reg,val) do { GAMMA_DEREF(reg) = val; } while (0)
-
-#define GAMMA_BROADCASTMASK 0x9378
-#define GAMMA_COMMANDINTENABLE 0x0c48
-#define GAMMA_DMAADDRESS 0x0028
-#define GAMMA_DMACOUNT 0x0030
-#define GAMMA_FILTERMODE 0x8c00
-#define GAMMA_GCOMMANDINTFLAGS 0x0c50
-#define GAMMA_GCOMMANDMODE 0x0c40
-#define GAMMA_GCOMMANDSTATUS 0x0c60
-#define GAMMA_GDELAYTIMER 0x0c38
-#define GAMMA_GDMACONTROL 0x0060
-#define GAMMA_GINTENABLE 0x0808
-#define GAMMA_GINTFLAGS 0x0810
-#define GAMMA_INFIFOSPACE 0x0018
-#define GAMMA_OUTFIFOWORDS 0x0020
-#define GAMMA_OUTPUTFIFO 0x2000
-#define GAMMA_SYNC 0x8c40
-#define GAMMA_SYNC_TAG 0x0188
-
-static __inline void gamma_dma_dispatch(drm_device_t *dev,
- vm_offset_t address,
- vm_size_t length)
+
+static __inline__ void gamma_dma_dispatch(drm_device_t *dev, unsigned long address,
+ unsigned long length)
{
- GAMMA_WRITE(GAMMA_DMAADDRESS, vtophys(address));
+ drm_gamma_private_t *dev_priv =
+ (drm_gamma_private_t *)dev->dev_private;
+
+ GAMMA_WRITE(GAMMA_DMAADDRESS, DRM_OS_VTOPHYS((void *)address));
while (GAMMA_READ(GAMMA_GCOMMANDSTATUS) != 4)
;
GAMMA_WRITE(GAMMA_DMACOUNT, length / 4);
}
-static __inline void gamma_dma_quiescent_single(drm_device_t *dev)
+void gamma_dma_quiescent_single(drm_device_t *dev)
{
+ drm_gamma_private_t *dev_priv =
+ (drm_gamma_private_t *)dev->dev_private;
+
while (GAMMA_READ(GAMMA_DMACOUNT))
;
while (GAMMA_READ(GAMMA_INFIFOSPACE) < 3)
@@ -101,15 +60,18 @@ static __inline void gamma_dma_quiescent_single(drm_device_t *dev)
GAMMA_WRITE(GAMMA_FILTERMODE, 1 << 10);
GAMMA_WRITE(GAMMA_SYNC, 0);
-
+
do {
while (!GAMMA_READ(GAMMA_OUTFIFOWORDS))
;
} while (GAMMA_READ(GAMMA_OUTPUTFIFO) != GAMMA_SYNC_TAG);
}
-static __inline void gamma_dma_quiescent_dual(drm_device_t *dev)
+void gamma_dma_quiescent_dual(drm_device_t *dev)
{
+ drm_gamma_private_t *dev_priv =
+ (drm_gamma_private_t *)dev->dev_private;
+
while (GAMMA_READ(GAMMA_DMACOUNT))
;
while (GAMMA_READ(GAMMA_INFIFOSPACE) < 3)
@@ -119,7 +81,7 @@ static __inline void gamma_dma_quiescent_dual(drm_device_t *dev)
GAMMA_WRITE(GAMMA_FILTERMODE, 1 << 10);
GAMMA_WRITE(GAMMA_SYNC, 0);
-
+
/* Read from first MX */
do {
while (!GAMMA_READ(GAMMA_OUTFIFOWORDS))
@@ -133,43 +95,43 @@ static __inline void gamma_dma_quiescent_dual(drm_device_t *dev)
} while (GAMMA_READ(GAMMA_OUTPUTFIFO + 0x10000) != GAMMA_SYNC_TAG);
}
-static __inline void gamma_dma_ready(drm_device_t *dev)
+void gamma_dma_ready(drm_device_t *dev)
{
+ drm_gamma_private_t *dev_priv =
+ (drm_gamma_private_t *)dev->dev_private;
+
while (GAMMA_READ(GAMMA_DMACOUNT))
;
}
-static __inline int gamma_dma_is_ready(drm_device_t *dev)
+static __inline__ int gamma_dma_is_ready(drm_device_t *dev)
{
+ drm_gamma_private_t *dev_priv =
+ (drm_gamma_private_t *)dev->dev_private;
+
return !GAMMA_READ(GAMMA_DMACOUNT);
}
-static void gamma_dma_service(void *arg)
+void gamma_dma_service( DRM_OS_IRQ_ARGS)
{
- drm_device_t *dev = (drm_device_t *)arg;
- drm_device_dma_t *dma = dev->dma;
-
- atomic_inc(&dev->total_irq);
+ drm_device_t *dev = (drm_device_t *)device;
+ drm_device_dma_t *dma = dev->dma;
+ drm_gamma_private_t *dev_priv =
+ (drm_gamma_private_t *)dev->dev_private;
+
+ atomic_inc(&dev->counts[6]); /* _DRM_STAT_IRQ */
GAMMA_WRITE(GAMMA_GDELAYTIMER, 0xc350/2); /* 0x05S */
GAMMA_WRITE(GAMMA_GCOMMANDINTFLAGS, 8);
GAMMA_WRITE(GAMMA_GINTFLAGS, 0x2001);
if (gamma_dma_is_ready(dev)) {
/* Free previous buffer */
- if (test_and_set_bit(0, &dev->dma_flag)) {
- atomic_inc(&dma->total_missed_free);
- return;
- }
+ if (test_and_set_bit(0, &dev->dma_flag)) return;
if (dma->this_buffer) {
- drm_free_buffer(dev, dma->this_buffer);
+ gamma_free_buffer(dev, dma->this_buffer);
dma->this_buffer = NULL;
}
clear_bit(0, &dev->dma_flag);
-#if 0
- /* Dispatch new buffer */
- queue_task(&dev->tq, &tq_immediate);
- mark_bh(IMMEDIATE_BH);
-#endif
}
}
@@ -182,22 +144,19 @@ static int gamma_do_dma(drm_device_t *dev, int locked)
int retcode = 0;
drm_device_dma_t *dma = dev->dma;
#if DRM_DMA_HISTOGRAM
- struct timespec dma_start, dma_stop;
+ cycles_t dma_start, dma_stop;
#endif
- if (test_and_set_bit(0, &dev->dma_flag)) {
- atomic_inc(&dma->total_missed_dma);
- return EBUSY;
- }
-
+ if (test_and_set_bit(0, &dev->dma_flag)) DRM_OS_RETURN( EBUSY );
+
#if DRM_DMA_HISTOGRAM
- getnanotime(&dma_start);
+ dma_start = get_cycles();
#endif
if (!dma->next_buffer) {
DRM_ERROR("No next_buffer\n");
clear_bit(0, &dev->dma_flag);
- return EINVAL;
+ DRM_OS_RETURN( EINVAL );
}
buf = dma->next_buffer;
@@ -208,23 +167,23 @@ static int gamma_do_dma(drm_device_t *dev, int locked)
buf->context, buf->idx, length);
if (buf->list == DRM_LIST_RECLAIM) {
- drm_clear_next_buffer(dev);
- drm_free_buffer(dev, buf);
+ gamma_clear_next_buffer(dev);
+ gamma_free_buffer(dev, buf);
clear_bit(0, &dev->dma_flag);
- return EINVAL;
+ DRM_OS_RETURN( EINVAL );
}
if (!length) {
DRM_ERROR("0 length buffer\n");
- drm_clear_next_buffer(dev);
- drm_free_buffer(dev, buf);
+ gamma_clear_next_buffer(dev);
+ gamma_free_buffer(dev, buf);
clear_bit(0, &dev->dma_flag);
return 0;
}
-
+
if (!gamma_dma_is_ready(dev)) {
clear_bit(0, &dev->dma_flag);
- return EBUSY;
+ DRM_OS_RETURN( EBUSY );
}
if (buf->while_locked) {
@@ -234,11 +193,10 @@ static int gamma_do_dma(drm_device_t *dev, int locked)
buf->idx, buf->pid);
}
} else {
- if (!locked && !drm_lock_take(&dev->lock.hw_lock->lock,
+ if (!locked && !gamma_lock_take(&dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
- atomic_inc(&dma->total_missed_lock);
clear_bit(0, &dev->dma_flag);
- return EBUSY;
+ DRM_OS_RETURN( EBUSY );
}
}
@@ -246,13 +204,14 @@ static int gamma_do_dma(drm_device_t *dev, int locked)
&& !(dev->queuelist[buf->context]->flags
& _DRM_CONTEXT_PRESERVED)) {
/* PRE: dev->last_context != buf->context */
- if (drm_context_switch(dev, dev->last_context, buf->context)) {
- drm_clear_next_buffer(dev);
- drm_free_buffer(dev, buf);
+ if (DRM(context_switch)(dev, dev->last_context,
+ buf->context)) {
+ DRM(clear_next_buffer)(dev);
+ DRM(free_buffer)(dev, buf);
}
retcode = EBUSY;
goto cleanup;
-
+
/* POST: we will wait for the context
switch and will dispatch on a later call
when dev->last_context == buf->context.
@@ -260,23 +219,23 @@ static int gamma_do_dma(drm_device_t *dev, int locked)
TIME! */
}
- drm_clear_next_buffer(dev);
+ gamma_clear_next_buffer(dev);
buf->pending = 1;
buf->waiting = 0;
buf->list = DRM_LIST_PEND;
#if DRM_DMA_HISTOGRAM
- getnanotime(&buf->time_dispatched);
+ buf->time_dispatched = get_cycles();
#endif
gamma_dma_dispatch(dev, address, length);
- drm_free_buffer(dev, dma->this_buffer);
+ gamma_free_buffer(dev, dma->this_buffer);
dma->this_buffer = buf;
- atomic_add(length, &dma->total_bytes);
- atomic_inc(&dma->total_dmas);
+ atomic_inc(&dev->counts[7]); /* _DRM_STAT_DMA */
+ atomic_add(length, &dev->counts[8]); /* _DRM_STAT_PRIMARY */
if (!buf->while_locked && !dev->context_flag && !locked) {
- if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
+ if (gamma_lock_free(dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
DRM_ERROR("\n");
}
@@ -286,15 +245,19 @@ cleanup:
clear_bit(0, &dev->dma_flag);
#if DRM_DMA_HISTOGRAM
- getnanotime(&dma_stop);
- timespecsub(&dma_stop, &dma_start);
- atomic_inc(&dev->histo.ctx[drm_histogram_slot(&dma_stop)]);
+ dma_stop = get_cycles();
+ atomic_inc(&dev->histo.dma[gamma_histogram_slot(dma_stop - dma_start)]);
#endif
- return retcode;
+ DRM_OS_RETURN( retcode );
}
-static void gamma_dma_schedule_wrapper(void *dev)
+static void gamma_dma_timer_bh(unsigned long dev)
+{
+ gamma_dma_schedule((drm_device_t *)dev, 0);
+}
+
+void gamma_dma_immediate_bh(DRM_OS_TASKQUEUE_ARGS)
{
gamma_dma_schedule(dev, 0);
}
@@ -310,24 +273,24 @@ int gamma_dma_schedule(drm_device_t *dev, int locked)
int expire = 20;
drm_device_dma_t *dma = dev->dma;
#if DRM_DMA_HISTOGRAM
- struct timespec schedule_start;
+ cycles_t schedule_start;
#endif
if (test_and_set_bit(0, &dev->interrupt_flag)) {
/* Not reentrant */
- atomic_inc(&dma->total_missed_sched);
- return EBUSY;
+ atomic_inc(&dev->counts[10]); /* _DRM_STAT_MISSED */
+ DRM_OS_RETURN( EBUSY );
}
- missed = atomic_read(&dma->total_missed_sched);
+ missed = atomic_read(&dev->counts[10]);
#if DRM_DMA_HISTOGRAM
- getnanotime(&schedule_start);
+ schedule_start = get_cycles();
#endif
again:
if (dev->context_flag) {
clear_bit(0, &dev->interrupt_flag);
- return EBUSY;
+ DRM_OS_RETURN( EBUSY );
}
if (dma->next_buffer) {
/* Unsent buffer that was previously
@@ -335,23 +298,18 @@ again:
because the lock could not be obtained
or the DMA engine wasn't ready. Try
again. */
- atomic_inc(&dma->total_tried);
- if (!(retcode = gamma_do_dma(dev, locked))) {
- atomic_inc(&dma->total_hit);
- ++processed;
- }
+ if (!(retcode = gamma_do_dma(dev, locked))) ++processed;
} else {
do {
- next = drm_select_queue(dev,
- gamma_dma_schedule_wrapper);
+ next = gamma_select_queue(dev, gamma_dma_timer_bh);
if (next >= 0) {
q = dev->queuelist[next];
- buf = drm_waitlist_get(&q->waitlist);
+ buf = gamma_waitlist_get(&q->waitlist);
dma->next_buffer = buf;
dma->next_queue = q;
if (buf && buf->list == DRM_LIST_RECLAIM) {
- drm_clear_next_buffer(dev);
- drm_free_buffer(dev, buf);
+ gamma_clear_next_buffer(dev);
+ gamma_free_buffer(dev, buf);
}
}
} while (next >= 0 && !dma->next_buffer);
@@ -363,33 +321,26 @@ again:
}
if (--expire) {
- if (missed != atomic_read(&dma->total_missed_sched)) {
- atomic_inc(&dma->total_lost);
+ if (missed != atomic_read(&dev->counts[10])) {
if (gamma_dma_is_ready(dev)) goto again;
}
if (processed && gamma_dma_is_ready(dev)) {
- atomic_inc(&dma->total_lost);
processed = 0;
goto again;
}
}
-
+
clear_bit(0, &dev->interrupt_flag);
-
+
#if DRM_DMA_HISTOGRAM
- {
- struct timespec ts;
- getnanotime(&ts);
- timespecsub(&ts, &schedule_start);
- atomic_inc(&dev->histo.schedule[drm_histogram_slot(&ts)]);
- }
+ atomic_inc(&dev->histo.schedule[gamma_histogram_slot(get_cycles()
+ - schedule_start)]);
#endif
return retcode;
}
static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
{
- struct proc *p = curproc;
unsigned long address;
unsigned long length;
int must_free = 0;
@@ -399,7 +350,7 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
drm_buf_t *buf;
drm_buf_t *last_buf = NULL;
drm_device_dma_t *dma = dev->dma;
- static int never;
+ static int never;
/* Turn off interrupt handling */
while (test_and_set_bit(0, &dev->interrupt_flag)) {
@@ -408,7 +359,7 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
return retcode;
}
if (!(d->flags & _DRM_DMA_WHILE_LOCKED)) {
- while (!drm_lock_take(&dev->lock.hw_lock->lock,
+ while (!gamma_lock_take(&dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
retcode = tsleep(&never, PZERO|PCATCH, "gamp2", 1);
if (retcode)
@@ -416,7 +367,6 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
}
++must_free;
}
- atomic_inc(&dma->total_prio);
for (i = 0; i < d->send_count; i++) {
idx = d->send_indices[i];
@@ -426,15 +376,15 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
continue;
}
buf = dma->buflist[ idx ];
- if (buf->pid != p->p_pid) {
+ if (buf->pid != DRM_OS_CURRENTPID) {
DRM_ERROR("Process %d using buffer owned by %d\n",
- p->p_pid, buf->pid);
+ DRM_OS_CURRENTPID, buf->pid);
retcode = EINVAL;
goto cleanup;
}
if (buf->list != DRM_LIST_NONE) {
DRM_ERROR("Process %d using %d's buffer on list %d\n",
- p->p_pid, buf->pid, buf->list);
+ DRM_OS_CURRENTPID, buf->pid, buf->list);
retcode = EINVAL;
goto cleanup;
}
@@ -467,14 +417,13 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
goto cleanup;
}
buf->pending = 1;
-
+
if (dev->last_context != buf->context
&& !(dev->queuelist[buf->context]->flags
& _DRM_CONTEXT_PRESERVED)) {
- atomic_inc(&dev->context_wait);
- /* PRE: dev->last_context != buf->context */
- drm_context_switch(dev, dev->last_context,
- buf->context);
+ /* PRE: dev->last_context != buf->context */
+ DRM(context_switch)(dev, dev->last_context,
+ buf->context);
/* POST: we will wait for the context
switch and will dispatch on a later call
when dev->last_context == buf->context.
@@ -482,7 +431,6 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
TIME! */
retcode = tsleep(&dev->context_wait, PZERO|PCATCH,
"gamctx", 0);
- atomic_dec(&dev->context_wait);
if (retcode)
goto cleanup;
if (dev->last_context != buf->context) {
@@ -493,15 +441,15 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
}
#if DRM_DMA_HISTOGRAM
- getnanotime(&buf->time_queued);
+ buf->time_queued = get_cycles();
buf->time_dispatched = buf->time_queued;
#endif
gamma_dma_dispatch(dev, address, length);
- atomic_add(length, &dma->total_bytes);
- atomic_inc(&dma->total_dmas);
-
+ atomic_inc(&dev->counts[9]); /* _DRM_STAT_SPECIAL */
+ atomic_add(length, &dev->counts[8]); /* _DRM_STAT_PRIMARY */
+
if (last_buf) {
- drm_free_buffer(dev, last_buf);
+ gamma_free_buffer(dev, last_buf);
}
last_buf = buf;
}
@@ -510,40 +458,40 @@ static int gamma_dma_priority(drm_device_t *dev, drm_dma_t *d)
cleanup:
if (last_buf) {
gamma_dma_ready(dev);
- drm_free_buffer(dev, last_buf);
+ gamma_free_buffer(dev, last_buf);
}
-
+
if (must_free && !dev->context_flag) {
- if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
+ if (gamma_lock_free(dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT)) {
DRM_ERROR("\n");
}
}
clear_bit(0, &dev->interrupt_flag);
- return retcode;
+ DRM_OS_RETURN( retcode );
}
static int gamma_dma_send_buffers(drm_device_t *dev, drm_dma_t *d)
{
- struct proc *p = curproc;
drm_buf_t *last_buf = NULL;
int retcode = 0;
drm_device_dma_t *dma = dev->dma;
-
- if ((retcode = drm_dma_enqueue(dev, d))) {
- return retcode;
- }
-
- gamma_dma_schedule(dev, 0);
-
if (d->flags & _DRM_DMA_BLOCK) {
last_buf = dma->buflist[d->send_indices[d->send_count-1]];
atomic_inc(&last_buf->dma_wait);
}
+ if ((retcode = gamma_dma_enqueue(dev, d))) {
+ if (d->flags & _DRM_DMA_BLOCK)
+ atomic_dec(&last_buf->dma_wait);
+ return retcode;
+ }
+
+ gamma_dma_schedule(dev, 0);
+
if (d->flags & _DRM_DMA_BLOCK) {
- DRM_DEBUG("%d waiting\n", p->p_pid);
+ DRM_DEBUG("%d waiting\n", DRM_OS_CURRENTPID);
for (;;) {
retcode = tsleep(&last_buf->dma_wait, PZERO|PCATCH,
"gamdw", 0);
@@ -553,13 +501,12 @@ static int gamma_dma_send_buffers(drm_device_t *dev, drm_dma_t *d)
if (retcode)
break;
}
-
- DRM_DEBUG("%d running\n", p->p_pid);
atomic_dec(&last_buf->dma_wait);
+ DRM_DEBUG("%d running\n", DRM_OS_CURRENTPID);
if (!retcode
|| (last_buf->list==DRM_LIST_PEND && !last_buf->pending)) {
if (!last_buf->dma_wait) {
- drm_free_buffer(dev, last_buf);
+ gamma_free_buffer(dev, last_buf);
}
}
if (retcode) {
@@ -571,254 +518,49 @@ static int gamma_dma_send_buffers(drm_device_t *dev, drm_dma_t *d)
last_buf->idx,
last_buf->list,
last_buf->pid,
- p->p_pid);
+ DRM_OS_CURRENTPID);
}
}
- return retcode;
+ DRM_OS_RETURN( retcode );
}
-int gamma_dma(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
+int gamma_dma( DRM_OS_IOCTL )
{
- drm_device_t *dev = kdev->si_drv1;
+ DRM_OS_DEVICE;
drm_device_dma_t *dma = dev->dma;
int retcode = 0;
drm_dma_t d;
- d = *(drm_dma_t *) data;
- DRM_DEBUG("%d %d: %d send, %d req\n",
- p->p_pid, d.context, d.send_count, d.request_count);
+ DRM_OS_KRNFROMUSR(d, (drm_dma_t *) data, sizeof(d));
- if (d.context == DRM_KERNEL_CONTEXT || d.context >= dev->queue_slots) {
- DRM_ERROR("Process %d using context %d\n",
- p->p_pid, d.context);
- return EINVAL;
- }
if (d.send_count < 0 || d.send_count > dma->buf_count) {
DRM_ERROR("Process %d trying to send %d buffers (of %d max)\n",
- p->p_pid, d.send_count, dma->buf_count);
- return EINVAL;
+ DRM_OS_CURRENTPID, d.send_count, dma->buf_count);
+ DRM_OS_RETURN( EINVAL );
}
+
if (d.request_count < 0 || d.request_count > dma->buf_count) {
DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
- p->p_pid, d.request_count, dma->buf_count);
- return EINVAL;
+ DRM_OS_CURRENTPID, d.request_count, dma->buf_count);
+ DRM_OS_RETURN( EINVAL );
}
if (d.send_count) {
if (d.flags & _DRM_DMA_PRIORITY)
retcode = gamma_dma_priority(dev, &d);
- else
+ else
retcode = gamma_dma_send_buffers(dev, &d);
}
d.granted_count = 0;
if (!retcode && d.request_count) {
- retcode = drm_dma_get_buffers(dev, &d);
+ retcode = gamma_dma_get_buffers(dev, &d);
}
DRM_DEBUG("%d returning, granted = %d\n",
- p->p_pid, d.granted_count);
- *(drm_dma_t *) data = d;
+ DRM_OS_CURRENTPID, d.granted_count);
+ DRM_OS_KRNTOUSR((drm_dma_t *) data, d, sizeof(d));
return retcode;
}
-
-int gamma_irq_install(drm_device_t *dev, int irq)
-{
- int rid;
- int retcode;
-
- if (!irq) return EINVAL;
-
- lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc);
- if (dev->irq) {
- lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc);
- return EBUSY;
- }
- lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc);
-
- DRM_DEBUG("%d\n", irq);
-
- dev->context_flag = 0;
- dev->interrupt_flag = 0;
- dev->dma_flag = 0;
-
- dev->dma->next_buffer = NULL;
- dev->dma->next_queue = NULL;
- dev->dma->this_buffer = NULL;
-
-#if 0
- dev->tq.next = NULL;
- dev->tq.sync = 0;
- dev->tq.routine = gamma_dma_schedule_tq_wrapper;
- dev->tq.data = dev;
-#endif
- /* Before installing handler */
- GAMMA_WRITE(GAMMA_GCOMMANDMODE, 0);
- GAMMA_WRITE(GAMMA_GDMACONTROL, 0);
-
- /* Install handler */
- rid = 0;
- dev->irq = bus_alloc_resource(dev->device, SYS_RES_IRQ, &rid,
- 0, ~0, 1, RF_SHAREABLE);
- if (!dev->irq)
- return ENOENT;
-
- retcode = bus_setup_intr(dev->device, dev->irq, INTR_TYPE_TTY,
- gamma_dma_service, dev, &dev->irqh);
- if (retcode) {
- bus_release_resource(dev->device, SYS_RES_IRQ, 0, dev->irq);
- dev->irq = 0;
- return retcode;
- }
-
- /* After installing handler */
- GAMMA_WRITE(GAMMA_GINTENABLE, 0x2001);
- GAMMA_WRITE(GAMMA_COMMANDINTENABLE, 0x0008);
- GAMMA_WRITE(GAMMA_GDELAYTIMER, 0x39090);
-
- return 0;
-}
-
-int gamma_irq_uninstall(drm_device_t *dev)
-{
- if (!dev->irq)
- return EINVAL;
-
- DRM_DEBUG("%ld\n", rman_get_start(dev->irq));
-
- GAMMA_WRITE(GAMMA_GDELAYTIMER, 0);
- GAMMA_WRITE(GAMMA_COMMANDINTENABLE, 0);
- GAMMA_WRITE(GAMMA_GINTENABLE, 0);
-
- bus_teardown_intr(dev->device, dev->irq, dev->irqh);
- bus_release_resource(dev->device, SYS_RES_IRQ, 0, dev->irq);
- dev->irq = 0;
-
- return 0;
-}
-
-
-int gamma_control(dev_t kdev, u_long cmd, caddr_t data,
- int flags, struct proc *p)
-{
- drm_device_t *dev = kdev->si_drv1;
- drm_control_t ctl;
- int retcode;
-
- ctl = *(drm_control_t *) data;
-
- switch (ctl.func) {
- case DRM_INST_HANDLER:
- if ((retcode = gamma_irq_install(dev, ctl.irq)))
- return retcode;
- break;
- case DRM_UNINST_HANDLER:
- if ((retcode = gamma_irq_uninstall(dev)))
- return retcode;
- break;
- default:
- return EINVAL;
- }
- return 0;
-}
-
-int gamma_lock(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
-{
- drm_device_t *dev = kdev->si_drv1;
- int ret = 0;
- drm_lock_t lock;
- drm_queue_t *q;
-#if DRM_DMA_HISTOGRAM
- struct timespec start;
-
- getnanotime(&start);
- dev->lck_start = start;
-#endif
-
- lock = *(drm_lock_t *) data;
-
- if (lock.context == DRM_KERNEL_CONTEXT) {
- DRM_ERROR("Process %d using kernel context %d\n",
- p->p_pid, lock.context);
- return EINVAL;
- }
-
- DRM_DEBUG("%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n",
- lock.context, p->p_pid, dev->lock.hw_lock->lock,
- lock.flags);
-
- if (lock.context < 0 || lock.context >= dev->queue_count)
- return EINVAL;
- q = dev->queuelist[lock.context];
-
- ret = drm_flush_block_and_flush(dev, lock.context, lock.flags);
-
- if (!ret) {
- if (_DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock)
- != lock.context) {
- long j = ticks - dev->lock.lock_time;
-
- if (j > 0 && j <= DRM_LOCK_SLICE) {
- /* Can't take lock if we just had it and
- there is contention. */
- static int never;
- ret = tsleep(&never, PZERO|PCATCH,
- "gaml1", j);
- if (ret)
- return ret;
- }
- }
- atomic_inc(&dev->lock.lock_queue);
- for (;;) {
- if (!dev->lock.hw_lock) {
- /* Device has been unregistered */
- ret = EINTR;
- break;
- }
- if (drm_lock_take(&dev->lock.hw_lock->lock,
- lock.context)) {
- dev->lock.pid = p->p_pid;
- dev->lock.lock_time = ticks;
- atomic_inc(&dev->total_locks);
- atomic_inc(&q->total_locks);
- break; /* Got lock */
- }
-
- /* Contention */
- atomic_inc(&dev->total_sleeps);
- ret = tsleep(&dev->lock.lock_queue, PZERO|PCATCH,
- "gaml2", 0);
- if (ret)
- break;
- }
- atomic_dec(&dev->lock.lock_queue);
- }
-
- drm_flush_unblock(dev, lock.context, lock.flags); /* cleanup phase */
-
- if (!ret) {
- if (lock.flags & _DRM_LOCK_READY)
- gamma_dma_ready(dev);
- if (lock.flags & _DRM_LOCK_QUIESCENT) {
- if (gamma_found() == 1) {
- gamma_dma_quiescent_single(dev);
- } else {
- gamma_dma_quiescent_dual(dev);
- }
- }
- }
- DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock");
-
-#if DRM_DMA_HISTOGRAM
- {
- struct timespec ts;
- getnanotime(&ts);
- timespecsub(&ts, &start);
- atomic_inc(&dev->histo.lacq[drm_histogram_slot(&ts)]);
- }
-#endif
-
- return ret;
-}
diff --git a/bsd/gamma/gamma_drv.c b/bsd/gamma/gamma_drv.c
index 8663a2ac..e58d853c 100644
--- a/bsd/gamma/gamma_drv.c
+++ b/bsd/gamma/gamma_drv.c
@@ -1,4 +1,4 @@
-/* gamma.c -- 3dlabs GMX 2000 driver -*- c -*-
+/* gamma.c -- 3dlabs GMX 2000 driver -*- linux-c -*-
* Created: Mon Jan 4 08:58:31 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@@ -11,11 +11,11 @@
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
- *
+ *
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
@@ -23,607 +23,65 @@
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
- *
+ *
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
- *
+ * Gareth Hughes <gareth@valinux.com>
*/
+#include <sys/types.h>
+#include <sys/bus.h>
+#include <pci/pcivar.h>
+#include <opt_drm_linux.h>
+#include "gamma.h"
#include "drmP.h"
#include "gamma_drv.h"
-#include <pci/pcivar.h>
-
-MODULE_DEPEND(gamma, drm, 1, 1, 1);
-
-#ifndef PCI_DEVICE_ID_3DLABS_GAMMA
-#define PCI_DEVICE_ID_3DLABS_GAMMA 0x0008
-#endif
-#ifndef PCI_DEVICE_ID_3DLABS_MX
-#define PCI_DEVICE_ID_3DLABS_MX 0x0006
-#endif
-#ifndef PCI_VENDOR_ID_3DLABS
-#define PCI_VENDOR_ID_3DLABS 0x3d3d
-#endif
-
-static int gamma_init(device_t nbdev);
-static void gamma_cleanup(device_t nbdev);
-
-static int gamma_probe(device_t dev)
-{
- const char *s = 0;
-
- switch (pci_get_devid(dev)) {
- case 0x00083d3d:
- s = "3D Labs Gamma graphics accelerator";
- break;
-
- case 0x00063d3d:
- s = "3D Labs MX graphics accelerator";
- break;
- }
-
- if (s) {
- device_set_desc(dev, s);
- return 0;
- }
-
- return ENXIO;
-}
-
-static int gamma_attach(device_t dev)
-{
- gamma_init(dev);
- return 0;
-}
-
-static int gamma_detach(device_t dev)
-{
- gamma_cleanup(dev);
- return 0;
-}
-
-static device_method_t gamma_methods[] = {
- /* Device interface */
- DEVMETHOD(device_probe, gamma_probe),
- DEVMETHOD(device_attach, gamma_attach),
- DEVMETHOD(device_detach, gamma_detach),
-
- { 0, 0 }
-};
-
-static driver_t gamma_driver = {
- "drm",
- gamma_methods,
- sizeof(drm_device_t),
-};
-
-static devclass_t gamma_devclass;
-#define GAMMA_SOFTC(unit) \
- ((drm_device_t *) devclass_get_softc(gamma_devclass, unit))
-
-DRIVER_MODULE(if_gamma, pci, gamma_driver, gamma_devclass, 0, 0);
-
-#define GAMMA_NAME "gamma"
-#define GAMMA_DESC "3dlabs GMX 2000"
-#define GAMMA_DATE "20000606"
-#define GAMMA_MAJOR 1
-#define GAMMA_MINOR 0
-#define GAMMA_PATCHLEVEL 0
+#define DRIVER_AUTHOR "VA Linux Systems Inc."
-#define CDEV_MAJOR 200
+#define DRIVER_NAME "gamma"
+#define DRIVER_DESC "3DLabs gamma"
+#define DRIVER_DATE "20010216"
-static struct cdevsw gamma_cdevsw = {
- /* open */ gamma_open,
- /* close */ gamma_close,
- /* read */ drm_read,
- /* write */ drm_write,
- /* ioctl */ gamma_ioctl,
- /* poll */ nopoll,
- /* mmap */ drm_mmap,
- /* strategy */ nostrategy,
- /* name */ "gamma",
- /* maj */ CDEV_MAJOR,
- /* dump */ nodump,
- /* psize */ nopsize,
- /* flags */ D_TTY | D_TRACKCLOSE,
- /* bmaj */ -1
-};
+#define DRIVER_MAJOR 1
+#define DRIVER_MINOR 0
+#define DRIVER_PATCHLEVEL 0
-static drm_ioctl_desc_t gamma_ioctls[] = {
- [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { gamma_version, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_busid, 0, 1 },
+#define DRIVER_IOCTLS \
+ [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { gamma_dma, 1, 0 }
- [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_block, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_unblock, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { gamma_control, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { drm_addbufs, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { drm_mapbufs, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 },
-
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { drm_addctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { drm_rmctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { drm_modctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { drm_getctx, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { drm_switchctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { drm_newctx, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { drm_resctx, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 },
- [DRM_IOCTL_NR(DRM_IOCTL_DMA)] = { gamma_dma, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { gamma_lock, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { gamma_unlock, 1, 0 },
- [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_finish, 1, 0 },
+/* List acquired from http://www.yourvote.com/pci/pcihdr.h and xc/xc/programs/Xserver/hw/xfree86/common/xf86PciInfo.h
+ * Please report to anholt@teleport.com inaccuracies or if a chip you have works that is marked unsupported here.
+ */
+drm_chipinfo_t DRM(devicelist)[] = {
+ {0x3d3d, 0x0008, 1, "3DLabs Gamma"},
+ {0, 0, 0, NULL}
};
-#define GAMMA_IOCTL_COUNT DRM_ARRAY_SIZE(gamma_ioctls)
-
-static int devices = 0;
-
-static int gamma_setup(drm_device_t *dev)
-{
- int i;
-
- device_busy(dev->device);
-
- atomic_set(&dev->ioctl_count, 0);
- atomic_set(&dev->vma_count, 0);
- dev->buf_use = 0;
- atomic_set(&dev->buf_alloc, 0);
-
- drm_dma_setup(dev);
-
- atomic_set(&dev->total_open, 0);
- atomic_set(&dev->total_close, 0);
- atomic_set(&dev->total_ioctl, 0);
- atomic_set(&dev->total_irq, 0);
- atomic_set(&dev->total_ctx, 0);
- atomic_set(&dev->total_locks, 0);
- atomic_set(&dev->total_unlocks, 0);
- atomic_set(&dev->total_contends, 0);
- atomic_set(&dev->total_sleeps, 0);
-
- for (i = 0; i < DRM_HASH_SIZE; i++) {
- dev->magiclist[i].head = NULL;
- dev->magiclist[i].tail = NULL;
- }
- dev->maplist = NULL;
- dev->map_count = 0;
- dev->vmalist = NULL;
- dev->lock.hw_lock = NULL;
- dev->lock.lock_queue = 0;
- dev->queue_count = 0;
- dev->queue_reserved = 0;
- dev->queue_slots = 0;
- dev->queuelist = NULL;
- dev->irq = 0;
- dev->context_flag = 0;
- dev->interrupt_flag = 0;
- dev->dma_flag = 0;
- dev->last_context = 0;
- dev->last_switch = 0;
- dev->last_checked = 0;
- callout_init(&dev->timer);
- dev->context_wait = 0;
-#if DRM_DMA_HISTO
- memset(&dev->histo, 0, sizeof(dev->histo));
-#endif
- timespecclear(&dev->ctx_start);
- timespecclear(&dev->lck_start);
-
- dev->buf_rp = dev->buf;
- dev->buf_wp = dev->buf;
- dev->buf_end = dev->buf + DRM_BSZ;
- dev->buf_sigio = NULL;
-
- DRM_DEBUG("\n");
-
- /* The kernel's context could be created here, but is now created
- in drm_dma_enqueue. This is more resource-efficient for
- hardware that does not do DMA, but may mean that
- drm_select_queue fails between the time the interrupt is
- initialized and the time the queues are initialized. */
-
- return 0;
-}
-
-
-static int
-gamma_takedown(drm_device_t *dev)
-{
- int i;
- drm_magic_entry_t *pt, *next;
- drm_map_t *map;
- drm_vma_entry_t *vma, *vma_next;
-
- DRM_DEBUG("\n");
-
- if (dev->irq) gamma_irq_uninstall(dev);
-
- lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, curproc);
- callout_stop(&dev->timer);
-
- if (dev->devname) {
- drm_free(dev->devname, strlen(dev->devname)+1, DRM_MEM_DRIVER);
- dev->devname = NULL;
- }
-
- if (dev->unique) {
- drm_free(dev->unique, strlen(dev->unique)+1, DRM_MEM_DRIVER);
- dev->unique = NULL;
- dev->unique_len = 0;
- }
- /* Clear pid list */
- for (i = 0; i < DRM_HASH_SIZE; i++) {
- for (pt = dev->magiclist[i].head; pt; pt = next) {
- next = pt->next;
- drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC);
- }
- dev->magiclist[i].head = dev->magiclist[i].tail = NULL;
- }
-
- /* Clear vma list (only built for debugging) */
- if (dev->vmalist) {
- for (vma = dev->vmalist; vma; vma = vma_next) {
- vma_next = vma->next;
- drm_free(vma, sizeof(*vma), DRM_MEM_VMAS);
- }
- dev->vmalist = NULL;
- }
-
- /* Clear map area and mtrr information */
- if (dev->maplist) {
- for (i = 0; i < dev->map_count; i++) {
- map = dev->maplist[i];
- switch (map->type) {
- case _DRM_REGISTERS:
- case _DRM_FRAME_BUFFER:
-#ifdef CONFIG_MTRR
- if (map->mtrr >= 0) {
- int retcode;
- retcode = mtrr_del(map->mtrr,
- map->offset,
- map->size);
- DRM_DEBUG("mtrr_del = %d\n", retcode);
- }
-#endif
- drm_ioremapfree(map->handle, map->size);
- break;
- case _DRM_SHM:
- drm_free_pages((unsigned long)map->handle,
- drm_order(map->size)
- - PAGE_SHIFT,
- DRM_MEM_SAREA);
- break;
- case _DRM_AGP:
- /* Do nothing here, because this is all
- handled in the AGP/GART driver. */
- break;
- }
- drm_free(map, sizeof(*map), DRM_MEM_MAPS);
- }
- drm_free(dev->maplist,
- dev->map_count * sizeof(*dev->maplist),
- DRM_MEM_MAPS);
- dev->maplist = NULL;
- dev->map_count = 0;
- }
-
- if (dev->queuelist) {
- for (i = 0; i < dev->queue_count; i++) {
- drm_waitlist_destroy(&dev->queuelist[i]->waitlist);
- if (dev->queuelist[i]) {
- drm_free(dev->queuelist[i],
- sizeof(*dev->queuelist[0]),
- DRM_MEM_QUEUES);
- dev->queuelist[i] = NULL;
- }
- }
- drm_free(dev->queuelist,
- dev->queue_slots * sizeof(*dev->queuelist),
- DRM_MEM_QUEUES);
- dev->queuelist = NULL;
- }
-
- drm_dma_takedown(dev);
-
- dev->queue_count = 0;
- if (dev->lock.hw_lock) {
- dev->lock.hw_lock = NULL; /* SHM removed */
- dev->lock.pid = 0;
- wakeup(&dev->lock.lock_queue);
- }
- lockmgr(&dev->dev_lock, LK_RELEASE, 0, curproc);
-
- device_unbusy(dev->device);
-
- return 0;
-}
-
-int gamma_found(void)
-{
- return devices;
-}
-
-static int
-gamma_find_devices(device_t dev)
-{
- device_t *children, child;
- int nchildren, i;
- int count = 0;
-
- if (device_get_children(device_get_parent(dev), &children, &nchildren))
- return 0;
-
- for (i = 0; i < nchildren; i++) {
- child = children[i];
-
- if (pci_get_slot(dev) == pci_get_slot(child) &&
- pci_get_vendor(child) == PCI_VENDOR_ID_3DLABS &&
- pci_get_device(child) == PCI_DEVICE_ID_3DLABS_MX) {
- count++;
- }
- }
- free(children, M_TEMP);
-
- /* we don't currently support more than two */
- if (count > 2) count = 2;
-
- return count;
-}
-
-/* gamma_init is called via gamma_attach at module load time */
-
-static int
-gamma_init(device_t nbdev)
-{
- drm_device_t *dev = device_get_softc(nbdev);
-
- DRM_DEBUG("\n");
-
- memset((void *)dev, 0, sizeof(*dev));
- simple_lock_init(&dev->count_lock);
- lockinit(&dev->dev_lock, PZERO, "drmlk", 0, 0);
-
-#if 0 /* XXX use getenv I guess */
- drm_parse_options(gamma);
-#endif
- devices = gamma_find_devices(nbdev);
- if (devices == 0) return -1;
-
-#if 0
- if ((retcode = misc_register(&gamma_misc))) {
- DRM_ERROR("Cannot register \"%s\"\n", GAMMA_NAME);
- return retcode;
- }
-#endif
- dev->device = nbdev;
- dev->devnode = make_dev(&gamma_cdevsw,
- device_get_unit(nbdev),
- DRM_DEV_UID,
- DRM_DEV_GID,
- DRM_DEV_MODE,
- GAMMA_NAME);
- dev->name = GAMMA_NAME;
-
- drm_mem_init();
- drm_sysctl_init(dev);
-
- DRM_INFO("Initialized %s %d.%d.%d %s on minor %d with %d MX devices\n",
- GAMMA_NAME,
- GAMMA_MAJOR,
- GAMMA_MINOR,
- GAMMA_PATCHLEVEL,
- GAMMA_DATE,
- device_get_unit(nbdev),
- devices);
-
- return 0;
-}
-
-/* gamma_cleanup is called via gamma_detach at module unload time. */
-
-static void
-gamma_cleanup(device_t nbdev)
-{
- drm_device_t *dev = device_get_softc(nbdev);
-
- DRM_DEBUG("\n");
-
- drm_sysctl_cleanup(dev);
-#if 0
- if (misc_deregister(&gamma_misc)) {
- DRM_ERROR("Cannot unload module\n");
- } else {
- DRM_INFO("Module unloaded\n");
- }
-#endif
- device_busy(dev->device);
- gamma_takedown(dev);
-}
-
-SYSUNINIT(gamma_cleanup, SI_SUB_DRIVERS, SI_ORDER_ANY, gamma_cleanup, 0);
-
-#if 0
-int gamma_version(struct inode *inode, struct file *filp, unsigned int cmd,
- unsigned long arg)
-{
- drm_version_t version;
- int len;
-
- copy_from_user_ret(&version,
- (drm_version_t *)arg,
- sizeof(version),
- -EFAULT);
-
-#define DRM_COPY(name,value) \
- len = strlen(value); \
- if (len > name##_len) len = name##_len; \
- name##_len = strlen(value); \
- if (len && name) { \
- copy_to_user_ret(name, value, len, -EFAULT); \
- }
-
- version.version_major = GAMMA_MAJOR;
- version.version_minor = GAMMA_MINOR;
- version.version_patchlevel = GAMMA_PATCHLEVEL;
-
- DRM_COPY(version.name, GAMMA_NAME);
- DRM_COPY(version.date, GAMMA_DATE);
- DRM_COPY(version.desc, GAMMA_DESC);
-
- copy_to_user_ret((drm_version_t *)arg,
- &version,
- sizeof(version),
- -EFAULT);
- return 0;
-}
-#endif
-
-int
-gamma_open(dev_t kdev, int flags, int fmt, struct proc *p)
-{
- drm_device_t *dev = GAMMA_SOFTC(minor(kdev));
- int retcode = 0;
-
- DRM_DEBUG("open_count = %d\n", dev->open_count);
-
- device_busy(dev->device);
- if (!(retcode = drm_open_helper(kdev, flags, fmt, p, dev))) {
- atomic_inc(&dev->total_open);
- simple_lock(&dev->count_lock);
- if (!dev->open_count++) {
- simple_unlock(&dev->count_lock);
- retcode = gamma_setup(dev);
- }
- simple_unlock(&dev->count_lock);
- }
- device_unbusy(dev->device);
-
- return retcode;
-}
-
-int
-gamma_close(dev_t kdev, int flags, int fmt, struct proc *p)
-{
- drm_device_t *dev = kdev->si_drv1;
- int retcode = 0;
-
- DRM_DEBUG("open_count = %d\n", dev->open_count);
- if (!(retcode = drm_close(kdev, flags, fmt, p))) {
- atomic_inc(&dev->total_close);
- simple_lock(&dev->count_lock);
- if (!--dev->open_count) {
- if (atomic_read(&dev->ioctl_count) || dev->blocked) {
- DRM_ERROR("Device busy: %d %d\n",
- atomic_read(&dev->ioctl_count),
- dev->blocked);
- simple_unlock(&dev->count_lock);
- return EBUSY;
- }
- simple_unlock(&dev->count_lock);
- return gamma_takedown(dev);
- }
- simple_unlock(&dev->count_lock);
- }
- return retcode;
-}
-
-/* drm_ioctl is called whenever a process performs an ioctl on /dev/drm. */
-
-int
-gamma_ioctl(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
-{
- int nr = DRM_IOCTL_NR(cmd);
- drm_device_t *dev = kdev->si_drv1;
- drm_file_t *priv;
- int retcode = 0;
- drm_ioctl_desc_t *ioctl;
- d_ioctl_t *func;
-
- priv = drm_find_file_by_proc(dev, p);
- if (!priv) {
- DRM_DEBUG("can't find authenticator\n");
- return EINVAL;
- }
-
- atomic_inc(&dev->ioctl_count);
- atomic_inc(&dev->total_ioctl);
- ++priv->ioctl_count;
-
- DRM_DEBUG("pid = %d, cmd = 0x%02lx, nr = 0x%02x, auth = %d\n",
- p->p_pid, cmd, nr, priv->authenticated);
-
- switch (cmd) {
- case FIOSETOWN:
- return fsetown(*(int *)data, &dev->buf_sigio);
- case FIOGETOWN:
- *(int *) data = fgetown(dev->buf_sigio);
- return 0;
- }
- if (nr >= GAMMA_IOCTL_COUNT) {
- retcode = EINVAL;
- } else {
- ioctl = &gamma_ioctls[nr];
- func = ioctl->func;
+#define __HAVE_COUNTERS 5
+#define __HAVE_COUNTER6 _DRM_STAT_IRQ
+#define __HAVE_COUNTER7 _DRM_STAT_DMA
+#define __HAVE_COUNTER8 _DRM_STAT_PRIMARY
+#define __HAVE_COUNTER9 _DRM_STAT_SPECIAL
+#define __HAVE_COUNTER10 _DRM_STAT_MISSED
- if (!func) {
- DRM_DEBUG("no function\n");
- retcode = EINVAL;
- } else if ((ioctl->root_only && suser(p))
- || (ioctl->auth_needed && !priv->authenticated)) {
- retcode = EACCES;
- } else {
- retcode = (func)(kdev, cmd, data, flags, p);
- }
- }
-
- atomic_dec(&dev->ioctl_count);
- return retcode;
-}
-int gamma_unlock(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
-{
- drm_device_t *dev = kdev->si_drv1;
- drm_lock_t *lockp = (drm_lock_t *) data;
+#include "drm_auth.h"
+#include "drm_bufs.h"
+#include "drm_context.h"
+#include "drm_dma.h"
+#include "drm_drawable.h"
+#include "drm_drv.h"
- if (lockp->context == DRM_KERNEL_CONTEXT) {
- DRM_ERROR("Process %d using kernel context %d\n",
- p->p_pid, lockp->context);
- return -EINVAL;
- }
- DRM_DEBUG("%d frees lock (%d holds)\n",
- lockp->context,
- _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
- atomic_inc(&dev->total_unlocks);
- if (_DRM_LOCK_IS_CONT(dev->lock.hw_lock->lock))
- atomic_inc(&dev->total_contends);
- drm_lock_transfer(dev, &dev->lock.hw_lock->lock, DRM_KERNEL_CONTEXT);
- gamma_dma_schedule(dev, 1);
- if (!dev->context_flag) {
- if (drm_lock_free(dev, &dev->lock.hw_lock->lock,
- DRM_KERNEL_CONTEXT)) {
- DRM_ERROR("\n");
- }
- }
+#include "drm_fops.h"
+#include "drm_init.h"
+#include "drm_ioctl.h"
+#include "drm_lists.h"
+#include "drm_lock.h"
+#include "drm_memory.h"
+#include "drm_vm.h"
+#include "drm_sysctl.h"
-#if DRM_DMA_HISTOGRAM
- {
- struct timespec ts;
- getnanotime(&ts);
- timespecsub(&ts, &dev->lck_start);
- atomic_inc(&dev->histo.lhld[drm_histogram_slot(&ts)]);
- }
-#endif
-
- return 0;
-}
+DRIVER_MODULE(gamma, pci, gamma_driver, gamma_devclass, 0, 0);
diff --git a/bsd/gamma/gamma_drv.h b/bsd/gamma/gamma_drv.h
index b7c6df5d..f8665516 100644
--- a/bsd/gamma/gamma_drv.h
+++ b/bsd/gamma/gamma_drv.h
@@ -1,4 +1,4 @@
-/* gamma_drv.h -- Private header for 3dlabs GMX 2000 driver -*- c -*-
+/* gamma_drv.h -- Private header for 3dlabs GMX 2000 driver -*- linux-c -*-
* Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
@@ -11,11 +11,11 @@
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
- *
+ *
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
@@ -23,26 +23,82 @@
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
- *
+ *
+ * Authors:
+ * Rickard E. (Rik) Faith <faith@valinux.com>
+ *
*/
#ifndef _GAMMA_DRV_H_
#define _GAMMA_DRV_H_
- /* gamma_drv.c */
-extern d_open_t gamma_open;
-extern d_close_t gamma_close;
-extern d_ioctl_t gamma_ioctl;
-extern d_ioctl_t gamma_version;
-extern d_ioctl_t gamma_dma;
-extern d_ioctl_t gamma_lock;
-extern d_ioctl_t gamma_unlock;
-extern d_ioctl_t gamma_control;
+
+typedef struct drm_gamma_private {
+ drm_map_t *buffers;
+ drm_map_t *mmio0;
+ drm_map_t *mmio1;
+ drm_map_t *mmio2;
+ drm_map_t *mmio3;
+} drm_gamma_private_t;
+
+#define LOCK_TEST_WITH_RETURN( dev ) \
+do { \
+ if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \
+ dev->lock.pid != DRM_OS_CURRENTPID ) { \
+ DRM_ERROR( "%s called without lock held\n", \
+ __FUNCTION__ ); \
+ DRM_OS_RETURN( EINVAL ); \
+ } \
+} while (0)
+
+
+extern void gamma_dma_ready(drm_device_t *dev);
+extern void gamma_dma_quiescent_single(drm_device_t *dev);
+extern void gamma_dma_quiescent_dual(drm_device_t *dev);
/* gamma_dma.c */
extern int gamma_dma_schedule(drm_device_t *dev, int locked);
-extern int gamma_irq_install(drm_device_t *dev, int irq);
-extern int gamma_irq_uninstall(drm_device_t *dev);
+extern int gamma_dma( DRM_OS_IOCTL );
+extern int gamma_find_devices(void);
extern int gamma_found(void);
+
+#define GAMMA_OFF(reg) \
+ ((reg < 0x1000) \
+ ? reg \
+ : ((reg < 0x10000) \
+ ? (reg - 0x1000) \
+ : ((reg < 0x11000) \
+ ? (reg - 0x10000) \
+ : (reg - 0x11000))))
+
+#define GAMMA_BASE(reg) ((unsigned long) \
+ ((reg < 0x1000) ? dev_priv->mmio0->handle : \
+ ((reg < 0x10000) ? dev_priv->mmio1->handle : \
+ ((reg < 0x11000) ? dev_priv->mmio2->handle : \
+ dev_priv->mmio3->handle))))
+
+#define GAMMA_ADDR(reg) (GAMMA_BASE(reg) + GAMMA_OFF(reg))
+#define GAMMA_DEREF(reg) *(__volatile__ int *)GAMMA_ADDR(reg)
+#define GAMMA_READ(reg) GAMMA_DEREF(reg)
+#define GAMMA_WRITE(reg,val) do { GAMMA_DEREF(reg) = val; } while (0)
+
+#define GAMMA_BROADCASTMASK 0x9378
+#define GAMMA_COMMANDINTENABLE 0x0c48
+#define GAMMA_DMAADDRESS 0x0028
+#define GAMMA_DMACOUNT 0x0030
+#define GAMMA_FILTERMODE 0x8c00
+#define GAMMA_GCOMMANDINTFLAGS 0x0c50
+#define GAMMA_GCOMMANDMODE 0x0c40
+#define GAMMA_GCOMMANDSTATUS 0x0c60
+#define GAMMA_GDELAYTIMER 0x0c38
+#define GAMMA_GDMACONTROL 0x0060
+#define GAMMA_GINTENABLE 0x0808
+#define GAMMA_GINTFLAGS 0x0810
+#define GAMMA_INFIFOSPACE 0x0018
+#define GAMMA_OUTFIFOWORDS 0x0020
+#define GAMMA_OUTPUTFIFO 0x2000
+#define GAMMA_SYNC 0x8c40
+#define GAMMA_SYNC_TAG 0x0188
+
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 16:38:13 +0000