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/* r128_drv.h -- Private header for r128 driver -*- linux-c -*-
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* Created: Mon Dec 13 09:51:11 1999 by faith@precisioninsight.com
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*/
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/* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Rickard E. (Rik) Faith <faith@valinux.com>
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* Kevin E. Martin <martin@valinux.com>
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* Gareth Hughes <gareth@valinux.com>
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* Michel D<EFBFBD>zer <daenzerm@student.ethz.ch>
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*/
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#ifndef __R128_DRV_H__
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#define __R128_DRV_H__
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/* General customization:
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*/
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#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc."
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#define DRIVER_NAME "r128"
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#define DRIVER_DESC "ATI Rage 128"
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#define DRIVER_DATE "20030725"
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/* Interface history:
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*
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* ?? - ??
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* 2.4 - Add support for ycbcr textures (no new ioctls)
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* 2.5 - Add FLIP ioctl, disable FULLSCREEN.
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*/
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#define DRIVER_MAJOR 2
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#define DRIVER_MINOR 5
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#define DRIVER_PATCHLEVEL 0
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#define GET_RING_HEAD(dev_priv) R128_READ( R128_PM4_BUFFER_DL_RPTR )
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typedef struct drm_r128_freelist {
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unsigned int age;
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drm_buf_t *buf;
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struct drm_r128_freelist *next;
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struct drm_r128_freelist *prev;
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} drm_r128_freelist_t;
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typedef struct drm_r128_ring_buffer {
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u32 *start;
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u32 *end;
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int size;
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int size_l2qw;
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u32 tail;
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u32 tail_mask;
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int space;
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int high_mark;
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} drm_r128_ring_buffer_t;
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typedef struct drm_r128_private {
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drm_r128_ring_buffer_t ring;
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drm_r128_sarea_t *sarea_priv;
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int cce_mode;
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int cce_fifo_size;
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int cce_running;
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drm_r128_freelist_t *head;
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drm_r128_freelist_t *tail;
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int usec_timeout;
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int is_pci;
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unsigned long cce_buffers_offset;
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atomic_t idle_count;
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int page_flipping;
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int current_page;
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u32 crtc_offset;
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u32 crtc_offset_cntl;
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u32 color_fmt;
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unsigned int front_offset;
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unsigned int front_pitch;
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unsigned int back_offset;
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unsigned int back_pitch;
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u32 depth_fmt;
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unsigned int depth_offset;
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unsigned int depth_pitch;
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unsigned int span_offset;
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u32 front_pitch_offset_c;
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u32 back_pitch_offset_c;
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u32 depth_pitch_offset_c;
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u32 span_pitch_offset_c;
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drm_local_map_t *sarea;
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drm_local_map_t *mmio;
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drm_local_map_t *cce_ring;
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drm_local_map_t *ring_rptr;
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drm_local_map_t *agp_textures;
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drm_ati_pcigart_info gart_info;
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} drm_r128_private_t;
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typedef struct drm_r128_buf_priv {
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u32 age;
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int prim;
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int discard;
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int dispatched;
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drm_r128_freelist_t *list_entry;
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} drm_r128_buf_priv_t;
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extern drm_ioctl_desc_t r128_ioctls[];
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extern int r128_max_ioctl;
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/* r128_cce.c */
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extern int r128_cce_init(DRM_IOCTL_ARGS);
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extern int r128_cce_start(DRM_IOCTL_ARGS);
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extern int r128_cce_stop(DRM_IOCTL_ARGS);
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extern int r128_cce_reset(DRM_IOCTL_ARGS);
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extern int r128_cce_idle(DRM_IOCTL_ARGS);
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extern int r128_engine_reset(DRM_IOCTL_ARGS);
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extern int r128_fullscreen(DRM_IOCTL_ARGS);
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extern int r128_cce_buffers(DRM_IOCTL_ARGS);
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extern void r128_freelist_reset(drm_device_t * dev);
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extern int r128_wait_ring(drm_r128_private_t * dev_priv, int n);
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extern int r128_do_cce_idle(drm_r128_private_t * dev_priv);
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extern int r128_do_cleanup_cce(drm_device_t * dev);
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extern int r128_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence);
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extern irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS);
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extern void r128_driver_irq_preinstall(drm_device_t * dev);
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extern void r128_driver_irq_postinstall(drm_device_t * dev);
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extern void r128_driver_irq_uninstall(drm_device_t * dev);
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extern void r128_driver_lastclose(drm_device_t * dev);
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extern void r128_driver_preclose(drm_device_t * dev, DRMFILE filp);
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extern long r128_compat_ioctl(struct file *filp, unsigned int cmd,
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unsigned long arg);
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/* Register definitions, register access macros and drmAddMap constants
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* for Rage 128 kernel driver.
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*/
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#define R128_AUX_SC_CNTL 0x1660
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# define R128_AUX1_SC_EN (1 << 0)
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# define R128_AUX1_SC_MODE_OR (0 << 1)
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# define R128_AUX1_SC_MODE_NAND (1 << 1)
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# define R128_AUX2_SC_EN (1 << 2)
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# define R128_AUX2_SC_MODE_OR (0 << 3)
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# define R128_AUX2_SC_MODE_NAND (1 << 3)
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# define R128_AUX3_SC_EN (1 << 4)
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# define R128_AUX3_SC_MODE_OR (0 << 5)
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# define R128_AUX3_SC_MODE_NAND (1 << 5)
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#define R128_AUX1_SC_LEFT 0x1664
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#define R128_AUX1_SC_RIGHT 0x1668
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#define R128_AUX1_SC_TOP 0x166c
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#define R128_AUX1_SC_BOTTOM 0x1670
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#define R128_AUX2_SC_LEFT 0x1674
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#define R128_AUX2_SC_RIGHT 0x1678
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#define R128_AUX2_SC_TOP 0x167c
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#define R128_AUX2_SC_BOTTOM 0x1680
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#define R128_AUX3_SC_LEFT 0x1684
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#define R128_AUX3_SC_RIGHT 0x1688
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#define R128_AUX3_SC_TOP 0x168c
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#define R128_AUX3_SC_BOTTOM 0x1690
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#define R128_BRUSH_DATA0 0x1480
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#define R128_BUS_CNTL 0x0030
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# define R128_BUS_MASTER_DIS (1 << 6)
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#define R128_CLOCK_CNTL_INDEX 0x0008
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#define R128_CLOCK_CNTL_DATA 0x000c
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# define R128_PLL_WR_EN (1 << 7)
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#define R128_CONSTANT_COLOR_C 0x1d34
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#define R128_CRTC_OFFSET 0x0224
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#define R128_CRTC_OFFSET_CNTL 0x0228
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# define R128_CRTC_OFFSET_FLIP_CNTL (1 << 16)
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#define R128_DP_GUI_MASTER_CNTL 0x146c
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# define R128_GMC_SRC_PITCH_OFFSET_CNTL (1 << 0)
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# define R128_GMC_DST_PITCH_OFFSET_CNTL (1 << 1)
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# define R128_GMC_BRUSH_SOLID_COLOR (13 << 4)
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# define R128_GMC_BRUSH_NONE (15 << 4)
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# define R128_GMC_DST_16BPP (4 << 8)
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# define R128_GMC_DST_24BPP (5 << 8)
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# define R128_GMC_DST_32BPP (6 << 8)
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# define R128_GMC_DST_DATATYPE_SHIFT 8
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# define R128_GMC_SRC_DATATYPE_COLOR (3 << 12)
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# define R128_DP_SRC_SOURCE_MEMORY (2 << 24)
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# define R128_DP_SRC_SOURCE_HOST_DATA (3 << 24)
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# define R128_GMC_CLR_CMP_CNTL_DIS (1 << 28)
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# define R128_GMC_AUX_CLIP_DIS (1 << 29)
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# define R128_GMC_WR_MSK_DIS (1 << 30)
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# define R128_ROP3_S 0x00cc0000
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# define R128_ROP3_P 0x00f00000
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#define R128_DP_WRITE_MASK 0x16cc
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#define R128_DST_PITCH_OFFSET_C 0x1c80
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# define R128_DST_TILE (1 << 31)
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#define R128_GEN_INT_CNTL 0x0040
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# define R128_CRTC_VBLANK_INT_EN (1 << 0)
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#define R128_GEN_INT_STATUS 0x0044
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# define R128_CRTC_VBLANK_INT (1 << 0)
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# define R128_CRTC_VBLANK_INT_AK (1 << 0)
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#define R128_GEN_RESET_CNTL 0x00f0
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# define R128_SOFT_RESET_GUI (1 << 0)
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#define R128_GUI_SCRATCH_REG0 0x15e0
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#define R128_GUI_SCRATCH_REG1 0x15e4
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#define R128_GUI_SCRATCH_REG2 0x15e8
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#define R128_GUI_SCRATCH_REG3 0x15ec
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#define R128_GUI_SCRATCH_REG4 0x15f0
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#define R128_GUI_SCRATCH_REG5 0x15f4
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#define R128_GUI_STAT 0x1740
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# define R128_GUI_FIFOCNT_MASK 0x0fff
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# define R128_GUI_ACTIVE (1 << 31)
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#define R128_MCLK_CNTL 0x000f
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# define R128_FORCE_GCP (1 << 16)
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# define R128_FORCE_PIPE3D_CP (1 << 17)
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# define R128_FORCE_RCP (1 << 18)
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#define R128_PC_GUI_CTLSTAT 0x1748
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#define R128_PC_NGUI_CTLSTAT 0x0184
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# define R128_PC_FLUSH_GUI (3 << 0)
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# define R128_PC_RI_GUI (1 << 2)
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# define R128_PC_FLUSH_ALL 0x00ff
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# define R128_PC_BUSY (1 << 31)
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#define R128_PCI_GART_PAGE 0x017c
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#define R128_PRIM_TEX_CNTL_C 0x1cb0
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#define R128_SCALE_3D_CNTL 0x1a00
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#define R128_SEC_TEX_CNTL_C 0x1d00
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#define R128_SEC_TEXTURE_BORDER_COLOR_C 0x1d3c
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#define R128_SETUP_CNTL 0x1bc4
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#define R128_STEN_REF_MASK_C 0x1d40
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#define R128_TEX_CNTL_C 0x1c9c
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# define R128_TEX_CACHE_FLUSH (1 << 23)
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#define R128_WAIT_UNTIL 0x1720
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# define R128_EVENT_CRTC_OFFSET (1 << 0)
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#define R128_WINDOW_XY_OFFSET 0x1bcc
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/* CCE registers
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*/
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#define R128_PM4_BUFFER_OFFSET 0x0700
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#define R128_PM4_BUFFER_CNTL 0x0704
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# define R128_PM4_MASK (15 << 28)
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# define R128_PM4_NONPM4 (0 << 28)
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# define R128_PM4_192PIO (1 << 28)
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# define R128_PM4_192BM (2 << 28)
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# define R128_PM4_128PIO_64INDBM (3 << 28)
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# define R128_PM4_128BM_64INDBM (4 << 28)
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# define R128_PM4_64PIO_128INDBM (5 << 28)
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# define R128_PM4_64BM_128INDBM (6 << 28)
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# define R128_PM4_64PIO_64VCBM_64INDBM (7 << 28)
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# define R128_PM4_64BM_64VCBM_64INDBM (8 << 28)
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# define R128_PM4_64PIO_64VCPIO_64INDPIO (15 << 28)
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# define R128_PM4_BUFFER_CNTL_NOUPDATE (1 << 27)
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#define R128_PM4_BUFFER_WM_CNTL 0x0708
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# define R128_WMA_SHIFT 0
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# define R128_WMB_SHIFT 8
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# define R128_WMC_SHIFT 16
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# define R128_WB_WM_SHIFT 24
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#define R128_PM4_BUFFER_DL_RPTR_ADDR 0x070c
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#define R128_PM4_BUFFER_DL_RPTR 0x0710
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#define R128_PM4_BUFFER_DL_WPTR 0x0714
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# define R128_PM4_BUFFER_DL_DONE (1 << 31)
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#define R128_PM4_VC_FPU_SETUP 0x071c
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#define R128_PM4_IW_INDOFF 0x0738
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#define R128_PM4_IW_INDSIZE 0x073c
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#define R128_PM4_STAT 0x07b8
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# define R128_PM4_FIFOCNT_MASK 0x0fff
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# define R128_PM4_BUSY (1 << 16)
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# define R128_PM4_GUI_ACTIVE (1 << 31)
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#define R128_PM4_MICROCODE_ADDR 0x07d4
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#define R128_PM4_MICROCODE_RADDR 0x07d8
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#define R128_PM4_MICROCODE_DATAH 0x07dc
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#define R128_PM4_MICROCODE_DATAL 0x07e0
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#define R128_PM4_BUFFER_ADDR 0x07f0
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#define R128_PM4_MICRO_CNTL 0x07fc
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# define R128_PM4_MICRO_FREERUN (1 << 30)
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#define R128_PM4_FIFO_DATA_EVEN 0x1000
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#define R128_PM4_FIFO_DATA_ODD 0x1004
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/* CCE command packets
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*/
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#define R128_CCE_PACKET0 0x00000000
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#define R128_CCE_PACKET1 0x40000000
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#define R128_CCE_PACKET2 0x80000000
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#define R128_CCE_PACKET3 0xC0000000
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# define R128_CNTL_HOSTDATA_BLT 0x00009400
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# define R128_CNTL_PAINT_MULTI 0x00009A00
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# define R128_CNTL_BITBLT_MULTI 0x00009B00
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# define R128_3D_RNDR_GEN_INDX_PRIM 0x00002300
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#define R128_CCE_PACKET_MASK 0xC0000000
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#define R128_CCE_PACKET_COUNT_MASK 0x3fff0000
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#define R128_CCE_PACKET0_REG_MASK 0x000007ff
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#define R128_CCE_PACKET1_REG0_MASK 0x000007ff
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#define R128_CCE_PACKET1_REG1_MASK 0x003ff800
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#define R128_CCE_VC_CNTL_PRIM_TYPE_NONE 0x00000000
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#define R128_CCE_VC_CNTL_PRIM_TYPE_POINT 0x00000001
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#define R128_CCE_VC_CNTL_PRIM_TYPE_LINE 0x00000002
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#define R128_CCE_VC_CNTL_PRIM_TYPE_POLY_LINE 0x00000003
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#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST 0x00000004
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#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_FAN 0x00000005
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#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_STRIP 0x00000006
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#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 0x00000007
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#define R128_CCE_VC_CNTL_PRIM_WALK_IND 0x00000010
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#define R128_CCE_VC_CNTL_PRIM_WALK_LIST 0x00000020
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#define R128_CCE_VC_CNTL_PRIM_WALK_RING 0x00000030
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#define R128_CCE_VC_CNTL_NUM_SHIFT 16
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#define R128_DATATYPE_VQ 0
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#define R128_DATATYPE_CI4 1
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#define R128_DATATYPE_CI8 2
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#define R128_DATATYPE_ARGB1555 3
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#define R128_DATATYPE_RGB565 4
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#define R128_DATATYPE_RGB888 5
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#define R128_DATATYPE_ARGB8888 6
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#define R128_DATATYPE_RGB332 7
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#define R128_DATATYPE_Y8 8
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#define R128_DATATYPE_RGB8 9
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#define R128_DATATYPE_CI16 10
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#define R128_DATATYPE_YVYU422 11
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#define R128_DATATYPE_VYUY422 12
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#define R128_DATATYPE_AYUV444 14
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#define R128_DATATYPE_ARGB4444 15
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/* Constants */
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#define R128_AGP_OFFSET 0x02000000
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#define R128_WATERMARK_L 16
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#define R128_WATERMARK_M 8
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#define R128_WATERMARK_N 8
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#define R128_WATERMARK_K 128
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#define R128_MAX_USEC_TIMEOUT 100000 /* 100 ms */
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#define R128_LAST_FRAME_REG R128_GUI_SCRATCH_REG0
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#define R128_LAST_DISPATCH_REG R128_GUI_SCRATCH_REG1
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#define R128_MAX_VB_AGE 0x7fffffff
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#define R128_MAX_VB_VERTS (0xffff)
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#define R128_RING_HIGH_MARK 128
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#define R128_PERFORMANCE_BOXES 0
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#define R128_READ(reg) DRM_READ32( dev_priv->mmio, (reg) )
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#define R128_WRITE(reg,val) DRM_WRITE32( dev_priv->mmio, (reg), (val) )
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#define R128_READ8(reg) DRM_READ8( dev_priv->mmio, (reg) )
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#define R128_WRITE8(reg,val) DRM_WRITE8( dev_priv->mmio, (reg), (val) )
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#define R128_WRITE_PLL(addr,val) \
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do { \
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R128_WRITE8(R128_CLOCK_CNTL_INDEX, \
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((addr) & 0x1f) | R128_PLL_WR_EN); \
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R128_WRITE(R128_CLOCK_CNTL_DATA, (val)); \
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} while (0)
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#define CCE_PACKET0( reg, n ) (R128_CCE_PACKET0 | \
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((n) << 16) | ((reg) >> 2))
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#define CCE_PACKET1( reg0, reg1 ) (R128_CCE_PACKET1 | \
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(((reg1) >> 2) << 11) | ((reg0) >> 2))
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#define CCE_PACKET2() (R128_CCE_PACKET2)
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#define CCE_PACKET3( pkt, n ) (R128_CCE_PACKET3 | \
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(pkt) | ((n) << 16))
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static __inline__ void r128_update_ring_snapshot(drm_r128_private_t * dev_priv)
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{
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drm_r128_ring_buffer_t *ring = &dev_priv->ring;
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ring->space = (GET_RING_HEAD(dev_priv) - ring->tail) * sizeof(u32);
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if (ring->space <= 0)
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ring->space += ring->size;
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}
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/* ================================================================
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* Misc helper macros
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*/
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#define RING_SPACE_TEST_WITH_RETURN( dev_priv ) \
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do { \
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drm_r128_ring_buffer_t *ring = &dev_priv->ring; int i; \
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if ( ring->space < ring->high_mark ) { \
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for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { \
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r128_update_ring_snapshot( dev_priv ); \
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if ( ring->space >= ring->high_mark ) \
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goto __ring_space_done; \
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DRM_UDELAY(1); \
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} \
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DRM_ERROR( "ring space check failed!\n" ); \
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return DRM_ERR(EBUSY); \
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} \
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__ring_space_done: \
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; \
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} while (0)
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#define VB_AGE_TEST_WITH_RETURN( dev_priv ) \
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do { \
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drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; \
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if ( sarea_priv->last_dispatch >= R128_MAX_VB_AGE ) { \
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int __ret = r128_do_cce_idle( dev_priv ); \
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if ( __ret ) return __ret; \
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sarea_priv->last_dispatch = 0; \
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r128_freelist_reset( dev ); \
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} \
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} while (0)
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#define R128_WAIT_UNTIL_PAGE_FLIPPED() do { \
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OUT_RING( CCE_PACKET0( R128_WAIT_UNTIL, 0 ) ); \
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OUT_RING( R128_EVENT_CRTC_OFFSET ); \
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} while (0)
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/* ================================================================
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|
|
* Ring control
|
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*/
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|
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#define R128_VERBOSE 0
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|
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#define RING_LOCALS \
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|
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int write, _nr; unsigned int tail_mask; volatile u32 *ring;
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|
|
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#define BEGIN_RING( n ) do { \
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if ( R128_VERBOSE ) { \
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|
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DRM_INFO( "BEGIN_RING( %d ) in %s\n", \
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|
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(n), __FUNCTION__ ); \
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|
|
} \
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|
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if ( dev_priv->ring.space <= (n) * sizeof(u32) ) { \
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|
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COMMIT_RING(); \
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|
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r128_wait_ring( dev_priv, (n) * sizeof(u32) ); \
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|
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} \
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|
|
_nr = n; dev_priv->ring.space -= (n) * sizeof(u32); \
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|
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ring = dev_priv->ring.start; \
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|
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write = dev_priv->ring.tail; \
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|
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tail_mask = dev_priv->ring.tail_mask; \
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|
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} while (0)
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|
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/* You can set this to zero if you want. If the card locks up, you'll
|
|
|
* need to keep this set. It works around a bug in early revs of the
|
|
|
* Rage 128 chipset, where the CCE would read 32 dwords past the end of
|
|
|
* the ring buffer before wrapping around.
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|
|
*/
|
|
|
#define R128_BROKEN_CCE 1
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|
|
|
|
|
#define ADVANCE_RING() do { \
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|
|
if ( R128_VERBOSE ) { \
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|
|
DRM_INFO( "ADVANCE_RING() wr=0x%06x tail=0x%06x\n", \
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|
|
write, dev_priv->ring.tail ); \
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|
|
} \
|
|
|
if ( R128_BROKEN_CCE && write < 32 ) { \
|
|
|
memcpy( dev_priv->ring.end, \
|
|
|
dev_priv->ring.start, \
|
|
|
write * sizeof(u32) ); \
|
|
|
} \
|
|
|
if (((dev_priv->ring.tail + _nr) & tail_mask) != write) { \
|
|
|
DRM_ERROR( \
|
|
|
"ADVANCE_RING(): mismatch: nr: %x write: %x line: %d\n", \
|
|
|
((dev_priv->ring.tail + _nr) & tail_mask), \
|
|
|
write, __LINE__); \
|
|
|
} else \
|
|
|
dev_priv->ring.tail = write; \
|
|
|
} while (0)
|
|
|
|
|
|
#define COMMIT_RING() do { \
|
|
|
if ( R128_VERBOSE ) { \
|
|
|
DRM_INFO( "COMMIT_RING() tail=0x%06x\n", \
|
|
|
dev_priv->ring.tail ); \
|
|
|
} \
|
|
|
DRM_MEMORYBARRIER(); \
|
|
|
R128_WRITE( R128_PM4_BUFFER_DL_WPTR, dev_priv->ring.tail ); \
|
|
|
R128_READ( R128_PM4_BUFFER_DL_WPTR ); \
|
|
|
} while (0)
|
|
|
|
|
|
#define OUT_RING( x ) do { \
|
|
|
if ( R128_VERBOSE ) { \
|
|
|
DRM_INFO( " OUT_RING( 0x%08x ) at 0x%x\n", \
|
|
|
(unsigned int)(x), write ); \
|
|
|
} \
|
|
|
ring[write++] = cpu_to_le32( x ); \
|
|
|
write &= tail_mask; \
|
|
|
} while (0)
|
|
|
|
|
|
#endif /* __R128_DRV_H__ */
|
|
|
|
