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author | Dave Airlie <airlied@linux.ie> | 2007-07-11 12:16:01 +1000 |
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committer | Dave Airlie <airlied@linux.ie> | 2007-07-11 12:16:01 +1000 |
commit | ddbee33328dcfb892cd91f2d57a1822f4d6f70d9 (patch) | |
tree | 6db71299d2cf09f22201a44487d925e222facb33 | |
parent | 7c158acef8f0e51c3a5f71133aaf402628370a64 (diff) | |
download | op-kernel-dev-ddbee33328dcfb892cd91f2d57a1822f4d6f70d9.zip op-kernel-dev-ddbee33328dcfb892cd91f2d57a1822f4d6f70d9.tar.gz |
radeon: add support for vblank on crtc2
This adds support for CRTC2 vblank on radeon similiar to the i915.
Signed-off-by: Dave Airlie <airlied@linux.ie>
-rw-r--r-- | drivers/char/drm/radeon_cp.c | 4 | ||||
-rw-r--r-- | drivers/char/drm/radeon_drm.h | 6 | ||||
-rw-r--r-- | drivers/char/drm/radeon_drv.c | 3 | ||||
-rw-r--r-- | drivers/char/drm/radeon_drv.h | 13 | ||||
-rw-r--r-- | drivers/char/drm/radeon_irq.c | 106 | ||||
-rw-r--r-- | drivers/char/drm/radeon_state.c | 6 |
6 files changed, 124 insertions, 14 deletions
diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c index aac5db3..7dd9800 100644 --- a/drivers/char/drm/radeon_cp.c +++ b/drivers/char/drm/radeon_cp.c @@ -1420,6 +1420,10 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) return DRM_ERR(EINVAL); } + /* Enable vblank on CRTC1 for older X servers + */ + dev_priv->vblank_crtc = DRM_RADEON_VBLANK_CRTC1; + switch(init->func) { case RADEON_INIT_R200_CP: dev_priv->microcode_version = UCODE_R200; diff --git a/drivers/char/drm/radeon_drm.h b/drivers/char/drm/radeon_drm.h index 66c4b6f..04de7a1 100644 --- a/drivers/char/drm/radeon_drm.h +++ b/drivers/char/drm/radeon_drm.h @@ -655,6 +655,7 @@ typedef struct drm_radeon_indirect { #define RADEON_PARAM_GART_TEX_HANDLE 10 #define RADEON_PARAM_SCRATCH_OFFSET 11 #define RADEON_PARAM_CARD_TYPE 12 +#define RADEON_PARAM_VBLANK_CRTC 13 /* VBLANK CRTC */ typedef struct drm_radeon_getparam { int param; @@ -708,7 +709,7 @@ typedef struct drm_radeon_setparam { #define RADEON_SETPARAM_PCIGART_LOCATION 3 /* PCI Gart Location */ #define RADEON_SETPARAM_NEW_MEMMAP 4 /* Use new memory map */ #define RADEON_SETPARAM_PCIGART_TABLE_SIZE 5 /* PCI GART Table Size */ - +#define RADEON_SETPARAM_VBLANK_CRTC 6 /* VBLANK CRTC */ /* 1.14: Clients can allocate/free a surface */ typedef struct drm_radeon_surface_alloc { @@ -721,4 +722,7 @@ typedef struct drm_radeon_surface_free { unsigned int address; } drm_radeon_surface_free_t; +#define DRM_RADEON_VBLANK_CRTC1 1 +#define DRM_RADEON_VBLANK_CRTC2 2 + #endif diff --git a/drivers/char/drm/radeon_drv.c b/drivers/char/drm/radeon_drv.c index 2eb652e..349ac3d 100644 --- a/drivers/char/drm/radeon_drv.c +++ b/drivers/char/drm/radeon_drv.c @@ -60,7 +60,7 @@ static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | - DRIVER_IRQ_VBL, + DRIVER_IRQ_VBL | DRIVER_IRQ_VBL2, .dev_priv_size = sizeof(drm_radeon_buf_priv_t), .load = radeon_driver_load, .firstopen = radeon_driver_firstopen, @@ -70,6 +70,7 @@ static struct drm_driver driver = { .lastclose = radeon_driver_lastclose, .unload = radeon_driver_unload, .vblank_wait = radeon_driver_vblank_wait, + .vblank_wait2 = radeon_driver_vblank_wait2, .dri_library_name = dri_library_name, .irq_preinstall = radeon_driver_irq_preinstall, .irq_postinstall = radeon_driver_irq_postinstall, diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h index 54f49ef..4422ae3 100644 --- a/drivers/char/drm/radeon_drv.h +++ b/drivers/char/drm/radeon_drv.h @@ -97,9 +97,10 @@ * new packet type) * 1.26- Add support for variable size PCI(E) gart aperture * 1.27- Add support for IGP GART + * 1.28- Add support for VBL on CRTC2 */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 27 +#define DRIVER_MINOR 28 #define DRIVER_PATCHLEVEL 0 /* @@ -277,6 +278,9 @@ typedef struct drm_radeon_private { /* SW interrupt */ wait_queue_head_t swi_queue; atomic_t swi_emitted; + int vblank_crtc; + uint32_t irq_enable_reg; + int irq_enabled; struct radeon_surface surfaces[RADEON_MAX_SURFACES]; struct radeon_virt_surface virt_surfaces[2 * RADEON_MAX_SURFACES]; @@ -356,10 +360,14 @@ extern int radeon_irq_wait(DRM_IOCTL_ARGS); extern void radeon_do_release(drm_device_t * dev); extern int radeon_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence); +extern int radeon_driver_vblank_wait2(drm_device_t * dev, + unsigned int *sequence); extern irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS); extern void radeon_driver_irq_preinstall(drm_device_t * dev); extern void radeon_driver_irq_postinstall(drm_device_t * dev); extern void radeon_driver_irq_uninstall(drm_device_t * dev); +extern int radeon_vblank_crtc_get(drm_device_t *dev); +extern int radeon_vblank_crtc_set(drm_device_t *dev, int64_t value); extern int radeon_driver_load(struct drm_device *dev, unsigned long flags); extern int radeon_driver_unload(struct drm_device *dev); @@ -496,12 +504,15 @@ extern int r300_do_cp_cmdbuf(drm_device_t * dev, DRMFILE filp, #define RADEON_GEN_INT_CNTL 0x0040 # define RADEON_CRTC_VBLANK_MASK (1 << 0) +# define RADEON_CRTC2_VBLANK_MASK (1 << 9) # define RADEON_GUI_IDLE_INT_ENABLE (1 << 19) # define RADEON_SW_INT_ENABLE (1 << 25) #define RADEON_GEN_INT_STATUS 0x0044 # define RADEON_CRTC_VBLANK_STAT (1 << 0) # define RADEON_CRTC_VBLANK_STAT_ACK (1 << 0) +# define RADEON_CRTC2_VBLANK_STAT (1 << 9) +# define RADEON_CRTC2_VBLANK_STAT_ACK (1 << 9) # define RADEON_GUI_IDLE_INT_TEST_ACK (1 << 19) # define RADEON_SW_INT_TEST (1 << 25) # define RADEON_SW_INT_TEST_ACK (1 << 25) diff --git a/drivers/char/drm/radeon_irq.c b/drivers/char/drm/radeon_irq.c index 3ff0baa..a4be86e 100644 --- a/drivers/char/drm/radeon_irq.c +++ b/drivers/char/drm/radeon_irq.c @@ -73,18 +73,35 @@ irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS) * outside the DRM */ stat = radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK | - RADEON_CRTC_VBLANK_STAT)); + RADEON_CRTC_VBLANK_STAT | + RADEON_CRTC2_VBLANK_STAT)); if (!stat) return IRQ_NONE; + stat &= dev_priv->irq_enable_reg; + /* SW interrupt */ if (stat & RADEON_SW_INT_TEST) { DRM_WAKEUP(&dev_priv->swi_queue); } /* VBLANK interrupt */ - if (stat & RADEON_CRTC_VBLANK_STAT) { - atomic_inc(&dev->vbl_received); + if (stat & (RADEON_CRTC_VBLANK_STAT|RADEON_CRTC2_VBLANK_STAT)) { + int vblank_crtc = dev_priv->vblank_crtc; + + if ((vblank_crtc & + (DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) == + (DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) { + if (stat & RADEON_CRTC_VBLANK_STAT) + atomic_inc(&dev->vbl_received); + if (stat & RADEON_CRTC2_VBLANK_STAT) + atomic_inc(&dev->vbl_received2); + } else if (((stat & RADEON_CRTC_VBLANK_STAT) && + (vblank_crtc & DRM_RADEON_VBLANK_CRTC1)) || + ((stat & RADEON_CRTC2_VBLANK_STAT) && + (vblank_crtc & DRM_RADEON_VBLANK_CRTC2))) + atomic_inc(&dev->vbl_received); + DRM_WAKEUP(&dev->vbl_queue); drm_vbl_send_signals(dev); } @@ -127,19 +144,30 @@ static int radeon_wait_irq(drm_device_t * dev, int swi_nr) return ret; } -int radeon_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence) +int radeon_driver_vblank_do_wait(drm_device_t * dev, unsigned int *sequence, + int crtc) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; unsigned int cur_vblank; int ret = 0; - + int ack = 0; + atomic_t *counter; if (!dev_priv) { DRM_ERROR("%s called with no initialization\n", __FUNCTION__); return DRM_ERR(EINVAL); } - radeon_acknowledge_irqs(dev_priv, RADEON_CRTC_VBLANK_STAT); + if (crtc == DRM_RADEON_VBLANK_CRTC1) { + counter = &dev->vbl_received; + ack |= RADEON_CRTC_VBLANK_STAT; + } else if (crtc == DRM_RADEON_VBLANK_CRTC2) { + counter = &dev->vbl_received2; + ack |= RADEON_CRTC2_VBLANK_STAT; + } else + return DRM_ERR(EINVAL); + + radeon_acknowledge_irqs(dev_priv, ack); dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; @@ -148,7 +176,7 @@ int radeon_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence) * using vertical blanks... */ DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ, - (((cur_vblank = atomic_read(&dev->vbl_received)) + (((cur_vblank = atomic_read(counter)) - *sequence) <= (1 << 23))); *sequence = cur_vblank; @@ -156,6 +184,16 @@ int radeon_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence) return ret; } +int radeon_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) +{ + return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC1); +} + +int radeon_driver_vblank_wait2(drm_device_t *dev, unsigned int *sequence) +{ + return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC2); +} + /* Needs the lock as it touches the ring. */ int radeon_irq_emit(DRM_IOCTL_ARGS) @@ -204,6 +242,21 @@ int radeon_irq_wait(DRM_IOCTL_ARGS) return radeon_wait_irq(dev, irqwait.irq_seq); } +static void radeon_enable_interrupt(drm_device_t *dev) +{ + drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; + + dev_priv->irq_enable_reg = RADEON_SW_INT_ENABLE; + if (dev_priv->vblank_crtc & DRM_RADEON_VBLANK_CRTC1) + dev_priv->irq_enable_reg |= RADEON_CRTC_VBLANK_MASK; + + if (dev_priv->vblank_crtc & DRM_RADEON_VBLANK_CRTC2) + dev_priv->irq_enable_reg |= RADEON_CRTC2_VBLANK_MASK; + + RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); + dev_priv->irq_enabled = 1; +} + /* drm_dma.h hooks */ void radeon_driver_irq_preinstall(drm_device_t * dev) @@ -216,7 +269,8 @@ void radeon_driver_irq_preinstall(drm_device_t * dev) /* Clear bits if they're already high */ radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK | - RADEON_CRTC_VBLANK_STAT)); + RADEON_CRTC_VBLANK_STAT | + RADEON_CRTC2_VBLANK_STAT)); } void radeon_driver_irq_postinstall(drm_device_t * dev) @@ -227,9 +281,7 @@ void radeon_driver_irq_postinstall(drm_device_t * dev) atomic_set(&dev_priv->swi_emitted, 0); DRM_INIT_WAITQUEUE(&dev_priv->swi_queue); - /* Turn on SW and VBL ints */ - RADEON_WRITE(RADEON_GEN_INT_CNTL, - RADEON_CRTC_VBLANK_MASK | RADEON_SW_INT_ENABLE); + radeon_enable_interrupt(dev); } void radeon_driver_irq_uninstall(drm_device_t * dev) @@ -239,6 +291,38 @@ void radeon_driver_irq_uninstall(drm_device_t * dev) if (!dev_priv) return; + dev_priv->irq_enabled = 0; + /* Disable *all* interrupts */ RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); } + + +int radeon_vblank_crtc_get(drm_device_t *dev) +{ + drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; + u32 flag; + u32 value; + + flag = RADEON_READ(RADEON_GEN_INT_CNTL); + value = 0; + + if (flag & RADEON_CRTC_VBLANK_MASK) + value |= DRM_RADEON_VBLANK_CRTC1; + + if (flag & RADEON_CRTC2_VBLANK_MASK) + value |= DRM_RADEON_VBLANK_CRTC2; + return value; +} + +int radeon_vblank_crtc_set(drm_device_t *dev, int64_t value) +{ + drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; + if (value & ~(DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) { + DRM_ERROR("called with invalid crtc 0x%x\n", (unsigned int)value); + return DRM_ERR(EINVAL); + } + dev_priv->vblank_crtc = (unsigned int)value; + radeon_enable_interrupt(dev); + return 0; +} diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c index 98c5f1d..5b89e47 100644 --- a/drivers/char/drm/radeon_state.c +++ b/drivers/char/drm/radeon_state.c @@ -3085,6 +3085,9 @@ static int radeon_cp_getparam(DRM_IOCTL_ARGS) else value = RADEON_CARD_PCI; break; + case RADEON_PARAM_VBLANK_CRTC: + value = radeon_vblank_crtc_get(dev); + break; default: DRM_DEBUG("Invalid parameter %d\n", param.param); return DRM_ERR(EINVAL); @@ -3141,6 +3144,9 @@ static int radeon_cp_setparam(DRM_IOCTL_ARGS) if (dev_priv->gart_info.table_size < RADEON_PCIGART_TABLE_SIZE) dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE; break; + case RADEON_SETPARAM_VBLANK_CRTC: + return radeon_vblank_crtc_set(dev, sp.value); + break; default: DRM_DEBUG("Invalid parameter %d\n", sp.param); return DRM_ERR(EINVAL); |