diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_irq.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_irq.c | 304 |
1 files changed, 193 insertions, 111 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c index ee40d197deb..244b19bab2e 100644 --- a/drivers/gpu/drm/radeon/radeon_irq.c +++ b/drivers/gpu/drm/radeon/radeon_irq.c @@ -27,20 +27,139 @@ * * Authors: * Keith Whitwell <keith@tungstengraphics.com> - * Michel Dänzer <michel@daenzer.net> + * Michel D�zer <michel@daenzer.net> + * + * ------------------------ This file is DEPRECATED! ------------------------- */ -#include "drmP.h" -#include "drm.h" -#include "radeon_drm.h" +#include <drm/drmP.h> +#include <drm/radeon_drm.h> #include "radeon_drv.h" -static __inline__ u32 radeon_acknowledge_irqs(drm_radeon_private_t * dev_priv, - u32 mask) +void radeon_irq_set_state(struct drm_device *dev, u32 mask, int state) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + + if (state) + dev_priv->irq_enable_reg |= mask; + else + dev_priv->irq_enable_reg &= ~mask; + + if (dev->irq_enabled) + RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); +} + +static void r500_vbl_irq_set_state(struct drm_device *dev, u32 mask, int state) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + + if (state) + dev_priv->r500_disp_irq_reg |= mask; + else + dev_priv->r500_disp_irq_reg &= ~mask; + + if (dev->irq_enabled) + RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); +} + +int radeon_enable_vblank(struct drm_device *dev, int crtc) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) { + switch (crtc) { + case 0: + r500_vbl_irq_set_state(dev, R500_D1MODE_INT_MASK, 1); + break; + case 1: + r500_vbl_irq_set_state(dev, R500_D2MODE_INT_MASK, 1); + break; + default: + DRM_ERROR("tried to enable vblank on non-existent crtc %d\n", + crtc); + return -EINVAL; + } + } else { + switch (crtc) { + case 0: + radeon_irq_set_state(dev, RADEON_CRTC_VBLANK_MASK, 1); + break; + case 1: + radeon_irq_set_state(dev, RADEON_CRTC2_VBLANK_MASK, 1); + break; + default: + DRM_ERROR("tried to enable vblank on non-existent crtc %d\n", + crtc); + return -EINVAL; + } + } + + return 0; +} + +void radeon_disable_vblank(struct drm_device *dev, int crtc) { - u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS) & mask; + drm_radeon_private_t *dev_priv = dev->dev_private; + + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) { + switch (crtc) { + case 0: + r500_vbl_irq_set_state(dev, R500_D1MODE_INT_MASK, 0); + break; + case 1: + r500_vbl_irq_set_state(dev, R500_D2MODE_INT_MASK, 0); + break; + default: + DRM_ERROR("tried to enable vblank on non-existent crtc %d\n", + crtc); + break; + } + } else { + switch (crtc) { + case 0: + radeon_irq_set_state(dev, RADEON_CRTC_VBLANK_MASK, 0); + break; + case 1: + radeon_irq_set_state(dev, RADEON_CRTC2_VBLANK_MASK, 0); + break; + default: + DRM_ERROR("tried to enable vblank on non-existent crtc %d\n", + crtc); + break; + } + } +} + +static u32 radeon_acknowledge_irqs(drm_radeon_private_t *dev_priv, u32 *r500_disp_int) +{ + u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS); + u32 irq_mask = RADEON_SW_INT_TEST; + + *r500_disp_int = 0; + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) { + /* vbl interrupts in a different place */ + + if (irqs & R500_DISPLAY_INT_STATUS) { + /* if a display interrupt */ + u32 disp_irq; + + disp_irq = RADEON_READ(R500_DISP_INTERRUPT_STATUS); + + *r500_disp_int = disp_irq; + if (disp_irq & R500_D1_VBLANK_INTERRUPT) + RADEON_WRITE(R500_D1MODE_VBLANK_STATUS, R500_VBLANK_ACK); + if (disp_irq & R500_D2_VBLANK_INTERRUPT) + RADEON_WRITE(R500_D2MODE_VBLANK_STATUS, R500_VBLANK_ACK); + } + irq_mask |= R500_DISPLAY_INT_STATUS; + } else + irq_mask |= RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT; + + irqs &= irq_mask; + if (irqs) RADEON_WRITE(RADEON_GEN_INT_STATUS, irqs); + return irqs; } @@ -62,50 +181,42 @@ static __inline__ u32 radeon_acknowledge_irqs(drm_radeon_private_t * dev_priv, * tied to dma at all, this is just a hangover from dri prehistory. */ -irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS) +irqreturn_t radeon_driver_irq_handler(int irq, void *arg) { struct drm_device *dev = (struct drm_device *) arg; drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; u32 stat; + u32 r500_disp_int; + + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) + return IRQ_NONE; /* Only consider the bits we're interested in - others could be used * outside the DRM */ - stat = radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK | - RADEON_CRTC_VBLANK_STAT | - RADEON_CRTC2_VBLANK_STAT)); + stat = radeon_acknowledge_irqs(dev_priv, &r500_disp_int); 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); - } + if (stat & RADEON_SW_INT_TEST) + wake_up(&dev_priv->swi_queue); /* VBLANK interrupt */ - 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); + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) { + if (r500_disp_int & R500_D1_VBLANK_INTERRUPT) + drm_handle_vblank(dev, 0); + if (r500_disp_int & R500_D2_VBLANK_INTERRUPT) + drm_handle_vblank(dev, 1); + } else { + if (stat & RADEON_CRTC_VBLANK_STAT) + drm_handle_vblank(dev, 0); + if (stat & RADEON_CRTC2_VBLANK_STAT) + drm_handle_vblank(dev, 1); } - return IRQ_HANDLED; } @@ -138,60 +249,37 @@ static int radeon_wait_irq(struct drm_device * dev, int swi_nr) dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; - DRM_WAIT_ON(ret, dev_priv->swi_queue, 3 * DRM_HZ, + DRM_WAIT_ON(ret, dev_priv->swi_queue, 3 * HZ, RADEON_READ(RADEON_LAST_SWI_REG) >= swi_nr); return ret; } -static int radeon_driver_vblank_do_wait(struct drm_device * dev, - unsigned int *sequence, int crtc) +u32 radeon_get_vblank_counter(struct drm_device *dev, 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; + drm_radeon_private_t *dev_priv = dev->dev_private; + if (!dev_priv) { DRM_ERROR("called with no initialization\n"); return -EINVAL; } - 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 + if (crtc < 0 || crtc > 1) { + DRM_ERROR("Invalid crtc %d\n", crtc); return -EINVAL; + } - radeon_acknowledge_irqs(dev_priv, ack); - - dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; - - /* Assume that the user has missed the current sequence number - * by about a day rather than she wants to wait for years - * using vertical blanks... - */ - DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ, - (((cur_vblank = atomic_read(counter)) - - *sequence) <= (1 << 23))); - - *sequence = cur_vblank; - - return ret; -} - -int radeon_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence) -{ - return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC1); -} - -int radeon_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence) -{ - return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC2); + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) { + if (crtc == 0) + return RADEON_READ(R500_D1CRTC_FRAME_COUNT); + else + return RADEON_READ(R500_D2CRTC_FRAME_COUNT); + } else { + if (crtc == 0) + return RADEON_READ(RADEON_CRTC_CRNT_FRAME); + else + return RADEON_READ(RADEON_CRTC2_CRNT_FRAME); + } } /* Needs the lock as it touches the ring. @@ -202,16 +290,19 @@ int radeon_irq_emit(struct drm_device *dev, void *data, struct drm_file *file_pr drm_radeon_irq_emit_t *emit = data; int result; - LOCK_TEST_WITH_RETURN(dev, file_priv); - if (!dev_priv) { DRM_ERROR("called with no initialization\n"); return -EINVAL; } + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) + return -EINVAL; + + LOCK_TEST_WITH_RETURN(dev, file_priv); + result = radeon_emit_irq(dev); - if (DRM_COPY_TO_USER(emit->irq_seq, &result, sizeof(int))) { + if (copy_to_user(emit->irq_seq, &result, sizeof(int))) { DRM_ERROR("copy_to_user\n"); return -EFAULT; } @@ -231,22 +322,10 @@ int radeon_irq_wait(struct drm_device *dev, void *data, struct drm_file *file_pr return -EINVAL; } - return radeon_wait_irq(dev, irqwait->irq_seq); -} - -void radeon_enable_interrupt(struct drm_device *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; + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) + return -EINVAL; - RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); - dev_priv->irq_enabled = 1; + return radeon_wait_irq(dev, irqwait->irq_seq); } /* drm_dma.h hooks @@ -255,25 +334,36 @@ void radeon_driver_irq_preinstall(struct drm_device * dev) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; + u32 dummy; + + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) + return; /* Disable *all* interrupts */ + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) + RADEON_WRITE(R500_DxMODE_INT_MASK, 0); RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); /* Clear bits if they're already high */ - radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK | - RADEON_CRTC_VBLANK_STAT | - RADEON_CRTC2_VBLANK_STAT)); + radeon_acknowledge_irqs(dev_priv, &dummy); } -void radeon_driver_irq_postinstall(struct drm_device * dev) +int radeon_driver_irq_postinstall(struct drm_device *dev) { drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private; atomic_set(&dev_priv->swi_emitted, 0); - DRM_INIT_WAITQUEUE(&dev_priv->swi_queue); + init_waitqueue_head(&dev_priv->swi_queue); + + dev->max_vblank_count = 0x001fffff; + + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) + return 0; - radeon_enable_interrupt(dev); + radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1); + + return 0; } void radeon_driver_irq_uninstall(struct drm_device * dev) @@ -283,8 +373,11 @@ void radeon_driver_irq_uninstall(struct drm_device * dev) if (!dev_priv) return; - dev_priv->irq_enabled = 0; + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) + return; + if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) + RADEON_WRITE(R500_DxMODE_INT_MASK, 0); /* Disable *all* interrupts */ RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); } @@ -293,18 +386,8 @@ void radeon_driver_irq_uninstall(struct drm_device * dev) int radeon_vblank_crtc_get(struct drm_device *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; + return dev_priv->vblank_crtc; } int radeon_vblank_crtc_set(struct drm_device *dev, int64_t value) @@ -315,6 +398,5 @@ int radeon_vblank_crtc_set(struct drm_device *dev, int64_t value) return -EINVAL; } dev_priv->vblank_crtc = (unsigned int)value; - radeon_enable_interrupt(dev); return 0; } |
