diff options
Diffstat (limited to 'linux/i830.h')
| -rw-r--r-- | linux/i830.h | 80 |
1 files changed, 67 insertions, 13 deletions
diff --git a/linux/i830.h b/linux/i830.h index b9752188..c8ba1fdb 100644 --- a/linux/i830.h +++ b/linux/i830.h @@ -45,22 +45,37 @@ #define DRIVER_NAME "i830" #define DRIVER_DESC "Intel 830M" -#define DRIVER_DATE "20020828" +#define DRIVER_DATE "20021108" +/* Interface history: + * + * 1.1: Original. + * 1.2: ? + * 1.3: New irq emit/wait ioctls. + * New pageflip ioctl. + * New getparam ioctl. + * State for texunits 3&4 in sarea. + * New (alternative) layout for texture state. + */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 2 -#define DRIVER_PATCHLEVEL 1 +#define DRIVER_MINOR 3 +#define DRIVER_PATCHLEVEL 2 #define DRIVER_IOCTLS \ [DRM_IOCTL_NR(DRM_IOCTL_I830_INIT)] = { i830_dma_init, 1, 1 }, \ - [DRM_IOCTL_NR(DRM_IOCTL_I830_VERTEX)] = { i830_dma_vertex, 1, 0 }, \ - [DRM_IOCTL_NR(DRM_IOCTL_I830_CLEAR)] = { i830_clear_bufs, 1, 0 }, \ - [DRM_IOCTL_NR(DRM_IOCTL_I830_FLUSH)] = { i830_flush_ioctl, 1, 0 }, \ - [DRM_IOCTL_NR(DRM_IOCTL_I830_GETAGE)] = { i830_getage, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I830_VERTEX)] = { i830_dma_vertex, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I830_CLEAR)] = { i830_clear_bufs, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I830_FLUSH)] = { i830_flush_ioctl, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I830_GETAGE)] = { i830_getage, 1, 0 }, \ [DRM_IOCTL_NR(DRM_IOCTL_I830_GETBUF)] = { i830_getbuf, 1, 0 }, \ - [DRM_IOCTL_NR(DRM_IOCTL_I830_SWAP)] = { i830_swap_bufs, 1, 0 }, \ - [DRM_IOCTL_NR(DRM_IOCTL_I830_COPY)] = { i830_copybuf, 1, 0 }, \ - [DRM_IOCTL_NR(DRM_IOCTL_I830_DOCOPY)] = { i830_docopy, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_I830_SWAP)] = { i830_swap_bufs, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I830_COPY)] = { i830_copybuf, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I830_DOCOPY)] = { i830_docopy, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I830_FLIP)] = { i830_flip_bufs, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I830_IRQ_EMIT)] = { i830_irq_emit, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I830_IRQ_WAIT)] = { i830_irq_wait, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I830_GETPARAM)] = { i830_getparam, 1, 0 }, \ + [DRM_IOCTL_NR(DRM_IOCTL_I830_SETPARAM)] = { i830_setparam, 1, 0 } #define __HAVE_COUNTERS 4 #define __HAVE_COUNTER6 _DRM_STAT_IRQ @@ -87,10 +102,49 @@ i830_dma_quiescent( dev ); \ } while (0) -/* Don't need an irq any more. The template code will make sure that - * a noop stub is generated for compatibility. + +/* Driver will work either way: IRQ's save cpu time when waiting for + * the card, but are subject to subtle interactions between bios, + * hardware and the driver. + */ +#define USE_IRQS 0 + + +#if USE_IRQS +#define __HAVE_DMA_IRQ 1 +#define __HAVE_SHARED_IRQ 1 + +#define DRIVER_PREINSTALL() do { \ + drm_i830_private_t *dev_priv = \ + (drm_i830_private_t *)dev->dev_private; \ + \ + I830_WRITE16( I830REG_HWSTAM, 0xffff ); \ + I830_WRITE16( I830REG_INT_MASK_R, 0x0 ); \ + I830_WRITE16( I830REG_INT_ENABLE_R, 0x0 ); \ +} while (0) + + +#define DRIVER_POSTINSTALL() do { \ + drm_i830_private_t *dev_priv = \ + (drm_i830_private_t *)dev->dev_private; \ + I830_WRITE16( I830REG_INT_ENABLE_R, 0x2 ); \ + atomic_set(&dev_priv->irq_received, 0); \ + atomic_set(&dev_priv->irq_emitted, 0); \ + init_waitqueue_head(&dev_priv->irq_queue); \ +} while (0) + + +/* This gets called too late to be useful: dev_priv has already been + * freed. */ -#define __HAVE_DMA_IRQ 0 +#define DRIVER_UNINSTALL() do { \ +} while (0) + +#else +#define __HAVE_DMA_IRQ 0 +#endif + + /* Buffer customization: */ |