struct task_struct *task;
};
+struct drm_hotplug_sig {
+ struct list_head head;
+ unsigned int counter;
+ struct siginfo info;
+ struct task_struct *task;
+};
+
/* location of GART table */
#define DRM_ATI_GART_MAIN 1
#define DRM_ATI_GART_FB 2
struct work_struct work;
+ /** \name HOTPLUG IRQ support */
+ /*@{ */
+ wait_queue_head_t hotplug_queue; /**< HOTPLUG wait queue */
+ spinlock_t hotplug_lock;
+ struct list_head *hotplug_sigs; /**< signal list to send on HOTPLUG */
+ atomic_t hotplug_signal_pending; /* number of signals pending on all crtcs*/
+
+ /*@} */
+
/** \name VBLANK IRQ support */
/*@{ */
extern void drm_driver_irq_postinstall(struct drm_device *dev);
extern void drm_driver_irq_uninstall(struct drm_device *dev);
+extern int drm_hotplug_init(struct drm_device *dev);
+extern int drm_wait_hotplug(struct drm_device *dev, void *data, struct drm_file *filp);
extern int drm_vblank_init(struct drm_device *dev, int num_crtcs);
extern int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *filp);
+extern int drm_wait_hotplug(struct drm_device *dev, void *data, struct drm_file *filp);
extern int drm_vblank_wait(struct drm_device * dev, unsigned int *vbl_seq);
extern void drm_locked_tasklet(struct drm_device *dev, void(*func)(struct drm_device*));
extern u32 drm_vblank_count(struct drm_device *dev, int crtc);
extern void drm_update_vblank_count(struct drm_device *dev, int crtc);
extern void drm_handle_vblank(struct drm_device *dev, int crtc);
+extern void drm_handle_hotplug(struct drm_device *dev);
extern int drm_vblank_get(struct drm_device *dev, int crtc);
extern void drm_vblank_put(struct drm_device *dev, int crtc);
if (drm_mode_equal (modes, modes_equal)) {
if ((output->possible_clones & output_equal->possible_clones) && (output_equal->crtc == crtc)) {
printk("Cloning %s (0x%lx) to %s (0x%lx)\n",drm_get_output_name(output),output->possible_clones,drm_get_output_name(output_equal),output_equal->possible_clones);
+ des_mode = modes;
assigned = 0;
goto clone;
}
* @output hotpluged output
*
* LOCKING.
- * Caller must hold mode config lock, function might grap struct lock.
+ * Caller must hold mode config lock, function might grab struct lock.
*
* Stage two of a hotplug.
*
{
int has_config = 0;
+ dev->mode_config.hotplug_counter++;
+
/* We might want to do something more here */
if (!connected) {
DRM_DEBUG("not connected\n");
- dev->mode_config.hotplug_counter++;
return 0;
}
if (!output->crtc || !output->crtc->desired_mode) {
DRM_DEBUG("could not find a desired mode or crtc for output\n");
- goto out_err;
+ return 1;
}
- /* We should realy check if there is a fb using this crtc */
+ /* We should really check if there is a fb using this crtc */
if (!has_config)
dev->driver->fb_probe(dev, output->crtc);
else {
drm_disable_unused_functions(dev);
- dev->mode_config.hotplug_counter++;
return 0;
-
-out_err:
- dev->mode_config.hotplug_counter++;
- return 1;
}
EXPORT_SYMBOL(drm_hotplug_stage_two);
DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode_ioctl, DRM_MASTER|DRM_ROOT_ONLY|DRM_CONTROL_ALLOW),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPERTY, drm_mode_getproperty_ioctl, DRM_MASTER | DRM_ROOT_ONLY | DRM_CONTROL_ALLOW),
DRM_IOCTL_DEF(DRM_IOCTL_MODE_HOTPLUG, drm_mode_hotplug_ioctl, DRM_CONTROL_ALLOW),
+ DRM_IOCTL_DEF(DRM_IOCTL_WAIT_HOTPLUG, drm_wait_hotplug, 0),
DRM_IOCTL_DEF(DRM_IOCTL_MM_INIT, drm_mm_init_ioctl,
DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
static void drm_vblank_cleanup(struct drm_device *dev)
{
- /* Bail if the driver didn't call drm_vblank_init() */
- if (dev->num_crtcs == 0)
- return;
-
del_timer(&dev->vblank_disable_timer);
vblank_disable_fn((unsigned long)dev);
- drm_free(dev->vbl_queue, sizeof(*dev->vbl_queue) * dev->num_crtcs,
+ if (dev->vbl_queue)
+ drm_free(dev->vbl_queue, sizeof(*dev->vbl_queue) * dev->num_crtcs,
DRM_MEM_DRIVER);
- drm_free(dev->vbl_sigs, sizeof(*dev->vbl_sigs) * dev->num_crtcs,
+
+ if (dev->vbl_sigs)
+ drm_free(dev->vbl_sigs, sizeof(*dev->vbl_sigs) * dev->num_crtcs,
DRM_MEM_DRIVER);
- drm_free(dev->_vblank_count, sizeof(*dev->_vblank_count) *
+
+ if (dev->_vblank_count)
+ drm_free(dev->_vblank_count, sizeof(*dev->_vblank_count) *
dev->num_crtcs, DRM_MEM_DRIVER);
- drm_free(dev->vblank_refcount, sizeof(*dev->vblank_refcount) *
+
+ if (dev->vblank_refcount)
+ drm_free(dev->vblank_refcount, sizeof(*dev->vblank_refcount) *
dev->num_crtcs, DRM_MEM_DRIVER);
- drm_free(dev->vblank_enabled, sizeof(*dev->vblank_enabled) *
+
+ if (dev->vblank_enabled)
+ drm_free(dev->vblank_enabled, sizeof(*dev->vblank_enabled) *
dev->num_crtcs, DRM_MEM_DRIVER);
- drm_free(dev->last_vblank, sizeof(*dev->last_vblank) * dev->num_crtcs,
+
+ if (dev->last_vblank)
+ drm_free(dev->last_vblank, sizeof(*dev->last_vblank) * dev->num_crtcs,
DRM_MEM_DRIVER);
- drm_free(dev->vblank_premodeset, sizeof(*dev->vblank_premodeset) *
+
+ if (dev->vblank_premodeset)
+ drm_free(dev->vblank_premodeset, sizeof(*dev->vblank_premodeset) *
dev->num_crtcs, DRM_MEM_DRIVER);
- drm_free(dev->vblank_offset, sizeof(*dev->vblank_offset) * dev->num_crtcs,
- DRM_MEM_DRIVER);
- dev->num_crtcs = 0;
+ if (dev->vblank_offset)
+ drm_free(dev->vblank_offset, sizeof(*dev->vblank_offset) * dev->num_crtcs,
+ DRM_MEM_DRIVER);
}
int drm_vblank_init(struct drm_device *dev, int num_crtcs)
}
EXPORT_SYMBOL(drm_vblank_init);
+int drm_wait_hotplug(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ union drm_wait_hotplug *hotplugwait = data;
+ struct timeval now;
+ int ret = 0;
+ unsigned int flags;
+
+ if ((!dev->irq) || (!dev->irq_enabled))
+ return -EINVAL;
+
+ flags = hotplugwait->request.type;
+
+ if (flags & _DRM_HOTPLUG_SIGNAL) {
+ unsigned long irqflags;
+ struct list_head *hotplug_sigs = dev->hotplug_sigs;
+ struct drm_hotplug_sig *hotplug_sig;
+
+ hotplug_sig = drm_calloc(1, sizeof(struct drm_hotplug_sig),
+ DRM_MEM_DRIVER);
+ if (!hotplug_sig)
+ return -ENOMEM;
+
+ atomic_inc(&dev->hotplug_signal_pending);
+
+ hotplug_sig->info.si_signo = hotplugwait->request.signal;
+ hotplug_sig->task = current;
+ hotplug_sig->counter =
+ hotplugwait->reply.counter =
+ dev->mode_config.hotplug_counter;
+
+ spin_lock_irqsave(&dev->hotplug_lock, irqflags);
+
+ list_add_tail(&hotplug_sig->head, hotplug_sigs);
+
+ spin_unlock_irqrestore(&dev->hotplug_lock, irqflags);
+ } else {
+ int cur_hotplug = dev->mode_config.hotplug_counter;
+
+ DRM_WAIT_ON(ret, dev->hotplug_queue, 3 * DRM_HZ,
+ dev->mode_config.hotplug_counter > cur_hotplug);
+
+ do_gettimeofday(&now);
+
+ hotplugwait->reply.tval_sec = now.tv_sec;
+ hotplugwait->reply.tval_usec = now.tv_usec;
+ hotplugwait->reply.counter = dev->mode_config.hotplug_counter;
+ }
+
+ return ret;
+}
+
+static void drm_hotplug_cleanup(struct drm_device *dev)
+{
+ if (dev->hotplug_sigs)
+ drm_free(dev->hotplug_sigs, sizeof(*dev->hotplug_sigs),
+ DRM_MEM_DRIVER);
+}
+EXPORT_SYMBOL(drm_hotplug_cleanup);
+
+int drm_hotplug_init(struct drm_device *dev)
+{
+ spin_lock_init(&dev->hotplug_lock);
+ atomic_set(&dev->hotplug_signal_pending, 0);
+
+ dev->hotplug_sigs = drm_alloc(sizeof(struct list_head), DRM_MEM_DRIVER);
+ if (!dev->hotplug_sigs)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(dev->hotplug_sigs);
+ init_waitqueue_head(&dev->hotplug_queue);
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_hotplug_init);
+
/**
* Install IRQ handler.
*
drm_vblank_cleanup(dev);
+ drm_hotplug_cleanup(dev);
+
dev->locked_tasklet_func = NULL;
return 0;
if (flags & _DRM_VBLANK_SIGNAL) {
unsigned long irqflags;
struct list_head *vbl_sigs = &dev->vbl_sigs[crtc];
- struct drm_vbl_sig *vbl_sig;
+ struct drm_vbl_sig *vbl_sig, *tmp;
spin_lock_irqsave(&dev->vbl_lock, irqflags);
* for the same vblank sequence number; nothing to be done in
* that case
*/
- list_for_each_entry(vbl_sig, vbl_sigs, head) {
+ list_for_each_entry_safe(vbl_sig, tmp, vbl_sigs, head) {
if (vbl_sig->sequence == vblwait->request.sequence
&& vbl_sig->info.si_signo ==
vblwait->request.signal
EXPORT_SYMBOL(drm_handle_vblank);
/**
+ * Send the HOTPLUG signals.
+ *
+ * \param dev DRM device.
+ *
+ * Sends a signal for each task in drm_device::hotplug_sigs and empties the list.
+ */
+static void drm_hotplug_send_signals(struct drm_device * dev)
+{
+ struct drm_hotplug_sig *hotplug_sig, *tmp;
+ struct list_head *hotplug_sigs;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->hotplug_lock, flags);
+
+ hotplug_sigs = dev->hotplug_sigs;
+
+ list_for_each_entry_safe(hotplug_sig, tmp, hotplug_sigs, head) {
+ hotplug_sig->info.si_code = hotplug_sig->counter;
+
+ send_sig_info(hotplug_sig->info.si_signo,
+ &hotplug_sig->info, hotplug_sig->task);
+
+ list_del(&hotplug_sig->head);
+
+ drm_free(hotplug_sig, sizeof(*hotplug_sig),
+ DRM_MEM_DRIVER);
+ atomic_dec(&dev->hotplug_signal_pending);
+ }
+
+ spin_unlock_irqrestore(&dev->hotplug_lock, flags);
+}
+
+/**
+ * drm_handle_hotplug - handle a hotplug event
+ * @dev: DRM device
+ * @crtc: where this event occurred
+ *
+ * Drivers should call this routine in their hotplug interrupt handlers.
+ */
+void drm_handle_hotplug(struct drm_device *dev)
+{
+ DRM_WAKEUP(&dev->hotplug_queue);
+ drm_hotplug_send_signals(dev);
+}
+EXPORT_SYMBOL(drm_handle_hotplug);
+
+/**
* Tasklet wrapper function.
*
* \param data DRM device in disguise.
if (dev_priv->fence_irq_on &&
!(fc->waiting_types & DRM_FENCE_TYPE_EXE)) {
- i915_user_irq_off(dev_priv);
+ i915_user_irq_off(dev);
dev_priv->fence_irq_on = 0;
} else if (!dev_priv->fence_irq_on &&
(fc->waiting_types & DRM_FENCE_TYPE_EXE)) {
- i915_user_irq_on(dev_priv);
+ i915_user_irq_on(dev);
dev_priv->fence_irq_on = 1;
}
}
/**
* Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence.
*
- * Only for I945G/GM.
+ * Not for i915G/i915GM
*
* \return TRUE if CRT is connected.
* \return FALSE if CRT is disconnected.
struct drm_device *dev = output->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
u32 temp;
-#if 1
+
unsigned long timeout = jiffies + msecs_to_jiffies(1000);
temp = I915_READ(PORT_HOTPLUG_EN);
return true;
return false;
-#else
- temp = I915_READ(PORT_HOTPLUG_STAT);
- DRM_DEBUG("HST 0x%08x\n", temp);
-
- if (temp & (1 << 8) && temp & (1 << 9))
- return true;
-
- return false;
-#endif
}
static bool intel_crt_detect_ddc(struct drm_output *output)
{
struct drm_device *dev = output->dev;
- if (IS_I945G(dev) || IS_I945GM(dev) || IS_I965G(dev)) {
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
if (intel_crt_detect_hotplug(output))
return output_status_connected;
else
struct intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2;
struct intel_sdvo_dtd save_output_dtd[16];
u32 save_SDVOX;
- int hotplug_enabled;
};
/**
if (sdvo_priv->output_device == SDVOB) {
cval = I915_READ(SDVOC);
-
- if (sdvo_priv->hotplug_enabled)
- bval = bval | (1 << 26);
} else {
bval = I915_READ(SDVOB);
-
- if (sdvo_priv->hotplug_enabled)
- cval = cval | (1 << 26);
}
/*
* Write the registers twice for luck. Sometimes,
void intel_sdvo_set_hotplug(struct drm_output *output, int on)
{
- struct intel_output *intel_output = output->driver_private;
- struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
u8 response[2];
u8 status;
intel_sdvo_read_response(output, &response, 2);
if (on) {
- sdvo_priv->hotplug_enabled = 1;
-
intel_sdvo_write_cmd(output, SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL, 0);
status = intel_sdvo_read_response(output, &response, 2);
intel_sdvo_write_cmd(output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
} else {
- sdvo_priv->hotplug_enabled = 0;
-
response[0] = 0;
response[1] = 0;
intel_sdvo_write_cmd(output, SDVO_CMD_SET_ACTIVE_HOT_PLUG, &response, 2);
}
sdvo_priv->output_device = output_device;
- sdvo_priv->hotplug_enabled = 0;
intel_output->i2c_bus = i2cbus;
intel_output->dev_priv = sdvo_priv;
struct drm_wait_vblank_reply reply;
};
+/* Handle monitor hotplug.
+ *
+ * May want to extend this later to pass reply information which
+ * details the outputs which generated the hotplug event.
+ * Some chipsets can't determine that though, and we'd need to leave
+ * it to the higher levels to determine exactly what changed.
+ */
+enum drm_hotplug_seq_type {
+ _DRM_HOTPLUG_SIGNAL = 0x00000001, /**< Send signal instead of blocking */
+};
+
+struct drm_wait_hotplug_request {
+ enum drm_hotplug_seq_type type;
+ unsigned long signal;
+};
+
+struct drm_wait_hotplug_reply {
+ enum drm_hotplug_seq_type type;
+ unsigned int counter;
+ long tval_sec;
+ long tval_usec;
+};
+
+/**
+ * DRM_IOCTL_WAIT_HOTPLUG ioctl argument type.
+ *
+ * \sa drmWaitHotplug().
+ */
+union drm_wait_hotplug {
+ struct drm_wait_hotplug_request request;
+ struct drm_wait_hotplug_reply reply;
+};
+
enum drm_modeset_ctl_cmd {
_DRM_PRE_MODESET = 1,
_DRM_POST_MODESET = 2,
#define DRM_IOCTL_MODE_GETPROPERTY DRM_IOWR(0xAB, struct drm_mode_get_property)
#define DRM_IOCTL_MODE_CURSOR DRM_IOWR(0xAC, struct drm_mode_cursor)
#define DRM_IOCTL_MODE_HOTPLUG DRM_IOWR(0xAD, struct drm_mode_hotplug)
+#define DRM_IOCTL_WAIT_HOTPLUG DRM_IOWR(0xAE, union drm_wait_hotplug)
/*@}*/
extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
extern int i915_vblank_swap(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-extern void i915_user_irq_on(struct drm_i915_private *dev_priv);
-extern void i915_user_irq_off(struct drm_i915_private *dev_priv);
+extern void i915_user_irq_on(struct drm_device *dev);
+extern void i915_user_irq_off(struct drm_device *dev);
/* i915_mem.c */
extern int i915_mem_alloc(struct drm_device *dev, void *data,
#define I915REG_PIPEASTAT 0x70024
#define I915REG_PIPEBSTAT 0x71024
+
+#define I915_VBLANK_INTERRUPT_ENABLE (1UL<<17)
+#define I915_HOTPLUG_INTERRUPT_ENABLE (1UL<<26)
+#define I915_HOTPLUG_CLEAR (1UL<<10)
+#define I915_VBLANK_CLEAR (1UL<<1)
+
/*
* The two pipe frame counter registers are not synchronized, so
* reading a stable value is somewhat tricky. The following code
#define PIPE_PIXEL_MASK 0x00ffffff
#define PIPE_PIXEL_SHIFT 0
-#define I915_VBLANK_INTERRUPT_ENABLE (1UL<<17)
-#define I915_VBLANK_CLEAR (1UL<<1)
-
#define GPIOA 0x5010
#define GPIOB 0x5014
#define GPIOC 0x5018
#define SDVOB_PCIE_CONCURRENCY (1 << 3)
#define SDVO_DETECTED (1 << 2)
/* Bits to be preserved when writing */
-#define SDVOB_PRESERVE_MASK ((1 << 17) | (1 << 16) | (1 << 14))
-#define SDVOC_PRESERVE_MASK (1 << 17)
+#define SDVOB_PRESERVE_MASK ((1 << 17) | (1 << 16) | (1 << 14) | (1 << 26))
+#define SDVOC_PRESERVE_MASK ((1 << 17) | (1 << 26))
/** @defgroup LVDS
* @{
#include "intel_drv.h"
#define USER_INT_FLAG (1<<1)
+#define EVENT_PIPEB_FLAG (1<<4)
#define VSYNC_PIPEB_FLAG (1<<5)
+#define EVENT_PIPEA_FLAG (1<<6)
#define VSYNC_PIPEA_FLAG (1<<7)
#define HOTPLUG_FLAG (1 << 17)
int nhits, nrects, slice[2], upper[2], lower[2], i, num_pages;
unsigned counter[2];
struct drm_drawable_info *drw;
- struct drm_i915_sarea *sarea_priv;
+ struct drm_i915_sarea *sarea_priv = master_priv->sarea_priv;
u32 cpp = dev_priv->cpp, offsets[3];
u32 cmd = (cpp == 4) ? (XY_SRC_COPY_BLT_CMD |
XY_SRC_COPY_BLT_WRITE_ALPHA |
XY_SRC_COPY_BLT_WRITE_RGB)
: XY_SRC_COPY_BLT_CMD;
- u32 pitchropcpp;
+ u32 pitchropcpp = (sarea_priv->pitch * cpp) | (0xcc << 16) |
+ (cpp << 23) | (1 << 24);
RING_LOCALS;
counter[0] = drm_vblank_count(dev, 0);
static int hotplug_cmd = 0;
static spinlock_t hotplug_lock = SPIN_LOCK_UNLOCKED;
-static void i915_hotplug_crt(struct drm_device *dev, bool connected)
+static void i915_hotplug_crt(struct drm_device *dev, bool isconnected)
{
struct drm_output *output;
struct intel_output *iout;
if (iout == 0)
goto unlock;
- drm_hotplug_stage_two(dev, output, connected);
+ drm_hotplug_stage_two(dev, output, isconnected);
unlock:
mutex_unlock(&dev->mode_config.mutex);
output = intel_sdvo_find(dev, sdvoB);
- if (!output) {
- DRM_ERROR("could not find sdvo%s output\n", sdvoB ? "B" : "C");
+ if (!output)
goto unlock;
- }
status = output->funcs->detect(output);
else
drm_hotplug_stage_two(dev, output, true);
- /* wierd hw bug, sdvo stop sending interupts */
intel_sdvo_set_hotplug(output, 1);
unlock:
if (sdvoC)
i915_hotplug_sdvo(dev, 0);
+ drm_handle_hotplug(dev);
}
static int i915_run_hotplug_tasklet(struct drm_device *dev, uint32_t stat)
struct drm_i915_master_private *master_priv;
struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
u32 temp = 0;
- u32 temp2;
u32 pipea_stats, pipeb_stats;
- pipea_stats = I915_READ(I915REG_PIPEASTAT);
- pipeb_stats = I915_READ(I915REG_PIPEBSTAT);
-
- /* On i8xx hw the IIR and IER are 16bit on i9xx its 32bit */
- if (IS_I9XX(dev))
+ /* On i8xx/i915 hw the IIR and IER are 16bit on i9xx its 32bit */
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev))
temp = I915_READ(I915REG_INT_IDENTITY_R);
else
temp = I915_READ16(I915REG_INT_IDENTITY_R);
- temp2 = temp;
temp &= (dev_priv->irq_enable_reg | USER_INT_FLAG);
-#if 0
- /* ugly despamification of pipeb event irq */
- if (temp & (0xFFFFFFF ^ ((1 << 5) | (1 << 7)))) {
- DRM_DEBUG("IIR %08x\n", temp2);
- DRM_DEBUG("MSK %08x\n", dev_priv->irq_enable_reg | USER_INT_FLAG);
- DRM_DEBUG("M&I %08x\n", temp);
- DRM_DEBUG("HOT %08x\n", I915_READ(PORT_HOTPLUG_STAT));
- }
-#else
-#if 0
- DRM_DEBUG("flag=%08x\n", temp);
-#endif
-#endif
-
if (temp == 0)
return IRQ_NONE;
- if (IS_I9XX(dev)) {
- I915_WRITE(I915REG_INT_IDENTITY_R, temp);
- (void) I915_READ(I915REG_INT_IDENTITY_R);
- } else {
- I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
- (void) I915_READ16(I915REG_INT_IDENTITY_R);
- }
+ pipea_stats = I915_READ(I915REG_PIPEASTAT);
+ pipeb_stats = I915_READ(I915REG_PIPEBSTAT);
/*
* Clear the PIPE(A|B)STAT regs before the IIR otherwise
*/
if (temp & VSYNC_PIPEA_FLAG) {
drm_handle_vblank(dev, i915_get_plane(dev, 0));
- I915_WRITE(I915REG_PIPEASTAT,
- pipea_stats | I915_VBLANK_INTERRUPT_ENABLE |
- I915_VBLANK_CLEAR);
+
+ pipea_stats |= I915_VBLANK_INTERRUPT_ENABLE |
+ I915_VBLANK_CLEAR;
}
if (temp & VSYNC_PIPEB_FLAG) {
drm_handle_vblank(dev, i915_get_plane(dev, 1));
- I915_WRITE(I915REG_PIPEBSTAT,
- pipeb_stats | I915_VBLANK_INTERRUPT_ENABLE |
- I915_VBLANK_CLEAR);
+
+ pipeb_stats |= I915_VBLANK_INTERRUPT_ENABLE |
+ I915_VBLANK_CLEAR;
}
- I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
- (void) I915_READ16(I915REG_INT_IDENTITY_R); /* Flush posted write */
+ if (temp & EVENT_PIPEA_FLAG)
+ pipea_stats |= I915_HOTPLUG_INTERRUPT_ENABLE |
+ I915_HOTPLUG_CLEAR;
- DRM_READMEMORYBARRIER();
+ if (temp & EVENT_PIPEB_FLAG)
+ pipeb_stats |= I915_HOTPLUG_INTERRUPT_ENABLE |
+ I915_HOTPLUG_CLEAR;
+
+ I915_WRITE(I915REG_PIPEASTAT, pipea_stats);
+ (void) I915_READ(I915REG_PIPEASTAT);
+ I915_WRITE(I915REG_PIPEBSTAT, pipeb_stats);
+ (void) I915_READ(I915REG_PIPEBSTAT);
+
+ /* Clear the generated interrupt */
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
+ I915_WRITE(I915REG_INT_IDENTITY_R, temp);
+ (void) I915_READ(I915REG_INT_IDENTITY_R);
+ } else {
+ I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
+ (void) I915_READ16(I915REG_INT_IDENTITY_R);
+ }
- temp &= (dev_priv->irq_enable_reg | USER_INT_FLAG | VSYNC_PIPEA_FLAG |
- VSYNC_PIPEB_FLAG);
if (dev->primary->master) {
master_priv = dev->primary->master->driver_priv;
drm_locked_tasklet(dev, i915_vblank_tasklet);
}
- /* for now lest just ack it */
- if (temp & (1 << 17)) {
- DRM_DEBUG("Hotplug event received\n");
+ if (temp & (HOTPLUG_FLAG | EVENT_PIPEA_FLAG | EVENT_PIPEB_FLAG)) {
+ u32 temp2 = 0;
- temp2 = I915_READ(PORT_HOTPLUG_STAT);
+ DRM_INFO("Hotplug event received\n");
- i915_run_hotplug_tasklet(dev, temp2);
+ if (!IS_I9XX(dev) || IS_I915G(dev) || IS_I915GM(dev)) {
+#if 0
+ u32 b,c;
+
+ b = I915_READ(SDVOB) & SDVO_PIPE_B_SELECT;
+ c = I915_READ(SDVOC) & SDVO_PIPE_B_SELECT;
+
+ if (temp & EVENT_PIPEA_FLAG) {
+ if (!b)
+ temp2 |= SDVOB_HOTPLUG_INT_STATUS;
+ if (!c)
+ temp2 |= SDVOC_HOTPLUG_INT_STATUS;
+
+ }
+
+ if (temp & EVENT_PIPEB_FLAG) {
+ if (b)
+ temp2 |= SDVOB_HOTPLUG_INT_STATUS;
+ if (c)
+ temp2 |= SDVOC_HOTPLUG_INT_STATUS;
+
+ }
+#else
+ temp2 |= SDVOB_HOTPLUG_INT_STATUS |
+ SDVOC_HOTPLUG_INT_STATUS;
+#endif
+ } else {
+ temp2 = I915_READ(PORT_HOTPLUG_STAT);
- I915_WRITE(PORT_HOTPLUG_STAT,temp2);
+ I915_WRITE(PORT_HOTPLUG_STAT, temp2);
+ }
+ i915_run_hotplug_tasklet(dev, temp2);
}
return IRQ_HANDLED;
return dev_priv->counter;
}
-void i915_user_irq_on(struct drm_i915_private *dev_priv)
+void i915_user_irq_on(struct drm_device *dev)
{
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
+
DRM_SPINLOCK(&dev_priv->user_irq_lock);
if (dev_priv->irq_enabled && (++dev_priv->user_irq_refcount == 1)){
dev_priv->irq_enable_reg |= USER_INT_FLAG;
- I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev))
+ I915_WRITE(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ else
+ I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
}
DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
}
-void i915_user_irq_off(struct drm_i915_private *dev_priv)
+void i915_user_irq_off(struct drm_device *dev)
{
+ struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
+
DRM_SPINLOCK(&dev_priv->user_irq_lock);
if (dev_priv->irq_enabled && (--dev_priv->user_irq_refcount == 0)) {
// dev_priv->irq_enable_reg &= ~USER_INT_FLAG;
- // I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ // if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev))
+ // I915_WRITE(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ // else
+ // I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
}
DRM_SPINUNLOCK(&dev_priv->user_irq_lock);
}
if (READ_BREADCRUMB(dev_priv) >= irq_nr)
return 0;
- i915_user_irq_on(dev_priv);
+ i915_user_irq_on(dev);
DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ,
READ_BREADCRUMB(dev_priv) >= irq_nr);
- i915_user_irq_off(dev_priv);
+ i915_user_irq_off(dev);
if (ret == -EBUSY) {
DRM_ERROR("EBUSY -- rec: %d emitted: %d\n",
break;
}
- I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev))
+ I915_WRITE(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ else
+ I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
return 0;
}
break;
}
- I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev))
+ I915_WRITE(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
+ else
+ I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
}
void i915_enable_interrupt (struct drm_device *dev)
dev_priv->irq_enable_reg |= USER_INT_FLAG;
- if (IS_I9XX(dev) && dev->mode_config.num_output) {
- dev_priv->irq_enable_reg |= HOTPLUG_FLAG;
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
+ if (dev->mode_config.num_output)
+ dev_priv->irq_enable_reg |= HOTPLUG_FLAG;
+ } else {
+ if (dev->mode_config.num_output)
+ dev_priv->irq_enable_reg |= EVENT_PIPEA_FLAG | EVENT_PIPEB_FLAG;
+
+ I915_WRITE(I915REG_PIPEASTAT, I915_READ(I915REG_PIPEASTAT) | I915_HOTPLUG_INTERRUPT_ENABLE | I915_HOTPLUG_CLEAR);
+ I915_WRITE(I915REG_PIPEBSTAT, I915_READ(I915REG_PIPEBSTAT) | I915_HOTPLUG_INTERRUPT_ENABLE | I915_HOTPLUG_CLEAR);
+ }
+
+ if (dev_priv->irq_enable_reg & (HOTPLUG_FLAG | EVENT_PIPEA_FLAG | EVENT_PIPEB_FLAG)) {
+ u32 temp = 0;
- /* Activate the CRT */
- I915_WRITE(PORT_HOTPLUG_EN, CRT_HOTPLUG_INT_EN);
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
+ temp = I915_READ(PORT_HOTPLUG_EN);
- /* SDVOB */
- o = intel_sdvo_find(dev, 1);
- if (o && intel_sdvo_supports_hotplug(o)) {
- intel_sdvo_set_hotplug(o, 1);
- I915_WRITE(PORT_HOTPLUG_EN, SDVOB_HOTPLUG_INT_EN);
+ /* Activate the CRT */
+ temp |= CRT_HOTPLUG_INT_EN;
}
- /* SDVOC */
- o = intel_sdvo_find(dev, 0);
- if (o && intel_sdvo_supports_hotplug(o)) {
- intel_sdvo_set_hotplug(o, 1);
- I915_WRITE(PORT_HOTPLUG_EN, SDVOC_HOTPLUG_INT_EN);
+ if (IS_I9XX(dev)) {
+ /* SDVOB */
+ o = intel_sdvo_find(dev, 1);
+ if (o && intel_sdvo_supports_hotplug(o)) {
+ intel_sdvo_set_hotplug(o, 1);
+ temp |= SDVOB_HOTPLUG_INT_EN;
+ }
+
+ /* SDVOC */
+ o = intel_sdvo_find(dev, 0);
+ if (o && intel_sdvo_supports_hotplug(o)) {
+ intel_sdvo_set_hotplug(o, 1);
+ temp |= SDVOC_HOTPLUG_INT_EN;
+ }
+
+ I915_WRITE(SDVOB, I915_READ(SDVOB) | SDVO_INTERRUPT_ENABLE);
+ I915_WRITE(SDVOC, I915_READ(SDVOC) | SDVO_INTERRUPT_ENABLE);
+ } else {
+ /* DVO ???? */
}
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
+ I915_WRITE(PORT_HOTPLUG_EN, temp);
+
+ DRM_DEBUG("HEN %08x\n",I915_READ(PORT_HOTPLUG_EN));
+ DRM_DEBUG("HST %08x\n",I915_READ(PORT_HOTPLUG_STAT));
+
+ I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
+ }
}
- if (IS_I9XX(dev)) {
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev))
I915_WRITE(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
- } else {
+ else
I915_WRITE16(I915REG_INT_ENABLE_R, dev_priv->irq_enable_reg);
- }
-
- DRM_DEBUG("HEN %08x\n",I915_READ(PORT_HOTPLUG_EN));
- DRM_DEBUG("HST %08x\n",I915_READ(PORT_HOTPLUG_STAT));
- DRM_DEBUG("IER %08x\n",I915_READ(I915REG_INT_ENABLE_R));
- DRM_DEBUG("SDB %08x\n",I915_READ(SDVOB));
-
- I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
dev_priv->irq_enabled = 1;
}
return -EINVAL;
}
- flag = I915_READ(I915REG_INT_ENABLE_R);
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev))
+ flag = I915_READ(I915REG_INT_ENABLE_R);
+ else
+ flag = I915_READ16(I915REG_INT_ENABLE_R);
+
pipe->pipe = 0;
if (flag & VSYNC_PIPEA_FLAG)
pipe->pipe |= DRM_I915_VBLANK_PIPE_A;
{
struct drm_i915_private *dev_priv = (struct drm_i915_private *) dev->dev_private;
+ I915_WRITE(I915REG_PIPEASTAT, 0xffff);
+ I915_WRITE(I915REG_PIPEBSTAT, 0xffff);
I915_WRITE16(I915REG_HWSTAM, 0xeffe);
- if (IS_I9XX(dev)) {
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
I915_WRITE(I915REG_INT_MASK_R, 0x0);
I915_WRITE(I915REG_INT_ENABLE_R, 0x0);
} else {
if (ret)
return ret;
+ ret = drm_hotplug_init(dev);
+ if (ret)
+ return ret;
+
dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
i915_enable_interrupt(dev);
dev_priv->irq_enabled = 0;
- if(IS_I9XX(dev)) {
+ I915_WRITE(I915REG_PIPEASTAT, 0xffff);
+ I915_WRITE(I915REG_PIPEBSTAT, 0xffff);
+ if (IS_I9XX(dev) && !IS_I915G(dev) && !IS_I915GM(dev)) {
I915_WRITE(I915REG_HWSTAM, 0xffffffff);
I915_WRITE(I915REG_INT_MASK_R, 0xffffffff);
I915_WRITE(I915REG_INT_ENABLE_R, 0x0);
projects / platform / upstream / libdrm.git / commitdiff