849 lines
33 KiB
C
849 lines
33 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* 3DFX Voodoo emulation.
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*
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*
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*
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* Authors: Sarah Walker, <https://pcem-emulator.co.uk/>
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*
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* Copyright 2008-2020 Sarah Walker.
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <wchar.h>
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#include <math.h>
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#define HAVE_STDARG_H
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#include <86box/86box.h>
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#include "cpu.h"
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#include <86box/machine.h>
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#include <86box/device.h>
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#include <86box/mem.h>
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#include <86box/timer.h>
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#include <86box/device.h>
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#include <86box/plat.h>
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#include <86box/thread.h>
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#include <86box/video.h>
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#include <86box/vid_svga.h>
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#include <86box/vid_voodoo_common.h>
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#include <86box/vid_voodoo_banshee_blitter.h>
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#include <86box/vid_voodoo_fb.h>
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#include <86box/vid_voodoo_fifo.h>
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#include <86box/vid_voodoo_reg.h>
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#include <86box/vid_voodoo_regs.h>
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#include <86box/vid_voodoo_render.h>
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#include <86box/vid_voodoo_texture.h>
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#ifdef ENABLE_VOODOO_FIFO_LOG
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int voodoo_fifo_do_log = ENABLE_VOODOO_FIFO_LOG;
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static void
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voodoo_fifo_log(const char *fmt, ...)
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{
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va_list ap;
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if (voodoo_fifo_do_log) {
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va_start(ap, fmt);
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pclog_ex(fmt, ap);
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va_end(ap);
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}
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}
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#else
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# define voodoo_fifo_log(fmt, ...)
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#endif
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#define WAKE_DELAY (TIMER_USEC * 100)
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void
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voodoo_wake_fifo_thread(voodoo_t *voodoo)
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{
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if (!timer_is_enabled(&voodoo->wake_timer)) {
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/*Don't wake FIFO thread immediately - if we do that it will probably
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process one word and go back to sleep, requiring it to be woken on
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almost every write. Instead, wait a short while so that the CPU
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emulation writes more data so we have more batched-up work.*/
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timer_set_delay_u64(&voodoo->wake_timer, WAKE_DELAY);
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}
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}
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void
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voodoo_wake_fifo_thread_now(voodoo_t *voodoo)
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{
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thread_set_event(voodoo->wake_fifo_thread); /*Wake up FIFO thread if moving from idle*/
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}
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void
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voodoo_wake_timer(void *priv)
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{
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voodoo_t *voodoo = (voodoo_t *) priv;
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thread_set_event(voodoo->wake_fifo_thread); /*Wake up FIFO thread if moving from idle*/
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}
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void
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voodoo_queue_command(voodoo_t *voodoo, uint32_t addr_type, uint32_t val)
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{
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fifo_entry_t *fifo = &voodoo->fifo[voodoo->fifo_write_idx & FIFO_MASK];
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while (FIFO_FULL) {
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thread_reset_event(voodoo->fifo_not_full_event);
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if (FIFO_FULL) {
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thread_wait_event(voodoo->fifo_not_full_event, 1); /*Wait for room in ringbuffer*/
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if (FIFO_FULL)
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voodoo_wake_fifo_thread_now(voodoo);
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}
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}
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fifo->val = val;
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fifo->addr_type = addr_type;
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voodoo->fifo_write_idx++;
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voodoo->cmd_status &= ~(1 << 24);
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if (FIFO_ENTRIES > 0xe000)
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voodoo_wake_fifo_thread(voodoo);
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}
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void
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voodoo_flush(voodoo_t *voodoo)
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{
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voodoo->flush = 1;
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while (!FIFO_EMPTY) {
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voodoo_wake_fifo_thread_now(voodoo);
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thread_wait_event(voodoo->fifo_not_full_event, 1);
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}
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voodoo_wait_for_render_thread_idle(voodoo);
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voodoo->flush = 0;
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}
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void
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voodoo_wake_fifo_threads(voodoo_set_t *set, voodoo_t *voodoo)
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{
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voodoo_wake_fifo_thread(voodoo);
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if (SLI_ENABLED && voodoo->type != VOODOO_2 && set->voodoos[0] == voodoo)
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voodoo_wake_fifo_thread(set->voodoos[1]);
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}
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void
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voodoo_wait_for_swap_complete(voodoo_t *voodoo)
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{
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while (voodoo->swap_pending) {
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thread_wait_event(voodoo->wake_fifo_thread, -1);
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thread_reset_event(voodoo->wake_fifo_thread);
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thread_wait_mutex(voodoo->swap_mutex);
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if ((voodoo->swap_pending && voodoo->flush) || FIFO_FULL) {
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/*Main thread is waiting for FIFO to empty, so skip vsync wait and just swap*/
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memset(voodoo->dirty_line, 1, sizeof(voodoo->dirty_line));
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voodoo->front_offset = voodoo->params.front_offset;
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if (voodoo->swap_count > 0)
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voodoo->swap_count--;
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voodoo->swap_pending = 0;
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thread_release_mutex(voodoo->swap_mutex);
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break;
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} else
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thread_release_mutex(voodoo->swap_mutex);
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}
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}
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static uint32_t
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cmdfifo_get(voodoo_t *voodoo)
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{
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uint32_t val;
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if (!voodoo->cmdfifo_in_sub) {
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while (voodoo->fifo_thread_run && (voodoo->cmdfifo_depth_rd == voodoo->cmdfifo_depth_wr)) {
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thread_wait_event(voodoo->wake_fifo_thread, -1);
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thread_reset_event(voodoo->wake_fifo_thread);
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}
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}
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val = *(uint32_t *) &voodoo->fb_mem[voodoo->cmdfifo_rp & voodoo->fb_mask];
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if (!voodoo->cmdfifo_in_sub)
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voodoo->cmdfifo_depth_rd++;
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voodoo->cmdfifo_rp += 4;
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// voodoo_fifo_log(" CMDFIFO get %08x\n", val);
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return val;
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}
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static inline float
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cmdfifo_get_f(voodoo_t *voodoo)
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{
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union {
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uint32_t i;
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float f;
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} tempif;
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tempif.i = cmdfifo_get(voodoo);
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return tempif.f;
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}
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static uint32_t
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cmdfifo_get_2(voodoo_t *voodoo)
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{
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uint32_t val;
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if (!voodoo->cmdfifo_in_sub_2) {
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while (voodoo->fifo_thread_run && (voodoo->cmdfifo_depth_rd_2 == voodoo->cmdfifo_depth_wr_2)) {
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thread_wait_event(voodoo->wake_fifo_thread, -1);
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thread_reset_event(voodoo->wake_fifo_thread);
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}
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}
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val = *(uint32_t *) &voodoo->fb_mem[voodoo->cmdfifo_rp_2 & voodoo->fb_mask];
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if (!voodoo->cmdfifo_in_sub_2)
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voodoo->cmdfifo_depth_rd_2++;
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voodoo->cmdfifo_rp_2 += 4;
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// voodoo_fifo_log(" CMDFIFO get %08x\n", val);
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return val;
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}
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static inline float
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cmdfifo_get_f_2(voodoo_t *voodoo)
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{
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union {
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uint32_t i;
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float f;
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} tempif;
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tempif.i = cmdfifo_get_2(voodoo);
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return tempif.f;
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}
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enum {
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CMDFIFO3_PC_MASK_RGB = (1 << 10),
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CMDFIFO3_PC_MASK_ALPHA = (1 << 11),
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CMDFIFO3_PC_MASK_Z = (1 << 12),
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CMDFIFO3_PC_MASK_Wb = (1 << 13),
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CMDFIFO3_PC_MASK_W0 = (1 << 14),
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CMDFIFO3_PC_MASK_S0_T0 = (1 << 15),
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CMDFIFO3_PC_MASK_W1 = (1 << 16),
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CMDFIFO3_PC_MASK_S1_T1 = (1 << 17),
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CMDFIFO3_PC = (1 << 28)
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};
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void
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voodoo_fifo_thread(void *param)
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{
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voodoo_t *voodoo = (voodoo_t *) param;
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while (voodoo->fifo_thread_run) {
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thread_set_event(voodoo->fifo_not_full_event);
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thread_wait_event(voodoo->wake_fifo_thread, -1);
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thread_reset_event(voodoo->wake_fifo_thread);
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voodoo->voodoo_busy = 1;
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while (!FIFO_EMPTY) {
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uint64_t start_time = plat_timer_read();
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uint64_t end_time;
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fifo_entry_t *fifo = &voodoo->fifo[voodoo->fifo_read_idx & FIFO_MASK];
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switch (fifo->addr_type & FIFO_TYPE) {
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case FIFO_WRITEL_REG:
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while ((fifo->addr_type & FIFO_TYPE) == FIFO_WRITEL_REG) {
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voodoo_reg_writel(fifo->addr_type & FIFO_ADDR, fifo->val, voodoo);
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fifo->addr_type = FIFO_INVALID;
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voodoo->fifo_read_idx++;
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if (FIFO_EMPTY)
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break;
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fifo = &voodoo->fifo[voodoo->fifo_read_idx & FIFO_MASK];
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}
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break;
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case FIFO_WRITEW_FB:
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voodoo_wait_for_render_thread_idle(voodoo);
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while ((fifo->addr_type & FIFO_TYPE) == FIFO_WRITEW_FB) {
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voodoo_fb_writew(fifo->addr_type & FIFO_ADDR, fifo->val, voodoo);
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fifo->addr_type = FIFO_INVALID;
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voodoo->fifo_read_idx++;
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if (FIFO_EMPTY)
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break;
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fifo = &voodoo->fifo[voodoo->fifo_read_idx & FIFO_MASK];
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}
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break;
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case FIFO_WRITEL_FB:
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voodoo_wait_for_render_thread_idle(voodoo);
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while ((fifo->addr_type & FIFO_TYPE) == FIFO_WRITEL_FB) {
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voodoo_fb_writel(fifo->addr_type & FIFO_ADDR, fifo->val, voodoo);
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fifo->addr_type = FIFO_INVALID;
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voodoo->fifo_read_idx++;
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if (FIFO_EMPTY)
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break;
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fifo = &voodoo->fifo[voodoo->fifo_read_idx & FIFO_MASK];
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}
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break;
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case FIFO_WRITEL_TEX:
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while ((fifo->addr_type & FIFO_TYPE) == FIFO_WRITEL_TEX) {
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if (!(fifo->addr_type & 0x400000))
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voodoo_tex_writel(fifo->addr_type & FIFO_ADDR, fifo->val, voodoo);
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fifo->addr_type = FIFO_INVALID;
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voodoo->fifo_read_idx++;
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if (FIFO_EMPTY)
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break;
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fifo = &voodoo->fifo[voodoo->fifo_read_idx & FIFO_MASK];
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}
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break;
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case FIFO_WRITEL_2DREG:
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while ((fifo->addr_type & FIFO_TYPE) == FIFO_WRITEL_2DREG) {
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voodoo_2d_reg_writel(voodoo, fifo->addr_type & FIFO_ADDR, fifo->val);
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fifo->addr_type = FIFO_INVALID;
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voodoo->fifo_read_idx++;
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if (FIFO_EMPTY)
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break;
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fifo = &voodoo->fifo[voodoo->fifo_read_idx & FIFO_MASK];
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}
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break;
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default:
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fatal("Unknown fifo entry %08x\n", fifo->addr_type);
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}
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if (FIFO_ENTRIES > 0xe000)
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thread_set_event(voodoo->fifo_not_full_event);
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end_time = plat_timer_read();
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voodoo->time += end_time - start_time;
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}
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voodoo->cmd_status |= (1 << 24);
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voodoo->cmd_status_2 |= (1 << 24);
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while (voodoo->cmdfifo_enabled && (voodoo->cmdfifo_depth_rd != voodoo->cmdfifo_depth_wr || voodoo->cmdfifo_in_sub)) {
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uint64_t start_time = plat_timer_read();
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uint64_t end_time;
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uint32_t header = cmdfifo_get(voodoo);
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uint32_t addr;
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uint32_t mask;
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int smode;
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int num;
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int num_verticies;
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int v_num;
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#if 0
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voodoo_fifo_log(" CMDFIFO header %08x at %08x\n", header, voodoo->cmdfifo_rp);
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#endif
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voodoo->cmd_status &= ~7;
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voodoo->cmd_status |= (header & 7);
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voodoo->cmd_status |= (1 << 11);
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switch (header & 7) {
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case 0:
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#if 0
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voodoo_fifo_log("CMDFIFO0\n");
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#endif
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voodoo->cmd_status = (voodoo->cmd_status & 0xffff8fff) | (((header >> 3) & 7) << 12);
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switch ((header >> 3) & 7) {
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case 0: /*NOP*/
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break;
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case 1: /*JSR*/
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#if 0
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voodoo_fifo_log("JSR %08x\n", (header >> 4) & 0xfffffc);
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#endif
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voodoo->cmdfifo_ret_addr = voodoo->cmdfifo_rp;
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voodoo->cmdfifo_rp = (header >> 4) & 0xfffffc;
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voodoo->cmdfifo_in_sub = 1;
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break;
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case 2: /*RET*/
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voodoo->cmdfifo_rp = voodoo->cmdfifo_ret_addr;
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voodoo->cmdfifo_in_sub = 0;
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break;
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case 3: /*JMP local frame buffer*/
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voodoo->cmdfifo_rp = (header >> 4) & 0xfffffc;
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#if 0
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voodoo_fifo_log("JMP to %08x %04x\n", voodoo->cmdfifo_rp, header);
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#endif
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break;
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default:
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fatal("Bad CMDFIFO0 %08x\n", header);
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}
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voodoo->cmd_status = (voodoo->cmd_status & ~(1 << 27)) | (voodoo->cmdfifo_in_sub << 27);
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break;
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case 1:
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num = header >> 16;
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addr = (header & 0x7ff8) >> 1;
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#if 0
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voodoo_fifo_log("CMDFIFO1 addr=%08x\n",addr);
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#endif
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while (num--) {
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uint32_t val = cmdfifo_get(voodoo);
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if ((addr & (1 << 13)) && voodoo->type >= VOODOO_BANSHEE) {
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#if 0
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if (voodoo->type != VOODOO_BANSHEE)
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fatal("CMDFIFO1: Not Banshee\n");
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#endif
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#if 0
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voodoo_fifo_log("CMDFIFO1: write %08x %08x\n", addr, val);
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#endif
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voodoo_2d_reg_writel(voodoo, addr, val);
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} else {
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if ((addr & 0x3ff) == SST_triangleCMD || (addr & 0x3ff) == SST_ftriangleCMD || (addr & 0x3ff) == SST_fastfillCMD || (addr & 0x3ff) == SST_nopCMD)
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voodoo->cmd_written_fifo++;
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if (voodoo->type >= VOODOO_BANSHEE && (addr & 0x3ff) == SST_swapbufferCMD)
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voodoo->cmd_written_fifo++;
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voodoo_reg_writel(addr, val, voodoo);
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}
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if (header & (1 << 15))
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addr += 4;
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}
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break;
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case 2:
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if (voodoo->type < VOODOO_2)
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fatal("CMDFIFO2: Not Voodoo 2\n");
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mask = (header >> 3);
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addr = 8;
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while (mask) {
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if (mask & 1) {
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uint32_t val = cmdfifo_get(voodoo);
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voodoo_2d_reg_writel(voodoo, addr, val);
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}
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addr += 4;
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mask >>= 1;
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}
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break;
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case 3:
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num = (header >> 29) & 7;
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mask = header; //(header >> 10) & 0xff;
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smode = (header >> 22) & 0xf;
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voodoo_reg_writel(SST_sSetupMode, ((header >> 10) & 0xff) | (smode << 16), voodoo);
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num_verticies = (header >> 6) & 0xf;
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v_num = 0;
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if (((header >> 3) & 7) == 2)
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v_num = 1;
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#if 0
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voodoo_fifo_log("CMDFIFO3: num=%i verts=%i mask=%02x\n", num, num_verticies, (header >> 10) & 0xff);
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voodoo_fifo_log("CMDFIFO3 %02x %i\n", (header >> 10), (header >> 3) & 7);
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#endif
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while (num_verticies--) {
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voodoo->verts[3].sVx = cmdfifo_get_f(voodoo);
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voodoo->verts[3].sVy = cmdfifo_get_f(voodoo);
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if (mask & CMDFIFO3_PC_MASK_RGB) {
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if (header & CMDFIFO3_PC) {
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uint32_t val = cmdfifo_get(voodoo);
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voodoo->verts[3].sBlue = (float) (val & 0xff);
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voodoo->verts[3].sGreen = (float) ((val >> 8) & 0xff);
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voodoo->verts[3].sRed = (float) ((val >> 16) & 0xff);
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voodoo->verts[3].sAlpha = (float) ((val >> 24) & 0xff);
|
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} else {
|
|
voodoo->verts[3].sRed = cmdfifo_get_f(voodoo);
|
|
voodoo->verts[3].sGreen = cmdfifo_get_f(voodoo);
|
|
voodoo->verts[3].sBlue = cmdfifo_get_f(voodoo);
|
|
}
|
|
}
|
|
if ((mask & CMDFIFO3_PC_MASK_ALPHA) && !(header & CMDFIFO3_PC))
|
|
voodoo->verts[3].sAlpha = cmdfifo_get_f(voodoo);
|
|
if (mask & CMDFIFO3_PC_MASK_Z)
|
|
voodoo->verts[3].sVz = cmdfifo_get_f(voodoo);
|
|
if (mask & CMDFIFO3_PC_MASK_Wb)
|
|
voodoo->verts[3].sWb = cmdfifo_get_f(voodoo);
|
|
if (mask & CMDFIFO3_PC_MASK_W0)
|
|
voodoo->verts[3].sW0 = cmdfifo_get_f(voodoo);
|
|
if (mask & CMDFIFO3_PC_MASK_S0_T0) {
|
|
voodoo->verts[3].sS0 = cmdfifo_get_f(voodoo);
|
|
voodoo->verts[3].sT0 = cmdfifo_get_f(voodoo);
|
|
}
|
|
if (mask & CMDFIFO3_PC_MASK_W1)
|
|
voodoo->verts[3].sW1 = cmdfifo_get_f(voodoo);
|
|
if (mask & CMDFIFO3_PC_MASK_S1_T1) {
|
|
voodoo->verts[3].sS1 = cmdfifo_get_f(voodoo);
|
|
voodoo->verts[3].sT1 = cmdfifo_get_f(voodoo);
|
|
}
|
|
if (v_num)
|
|
voodoo_reg_writel(SST_sDrawTriCMD, 0, voodoo);
|
|
else
|
|
voodoo_reg_writel(SST_sBeginTriCMD, 0, voodoo);
|
|
v_num++;
|
|
if (v_num == 3 && ((header >> 3) & 7) == 0)
|
|
v_num = 0;
|
|
}
|
|
while (num--)
|
|
cmdfifo_get(voodoo);
|
|
break;
|
|
|
|
case 4:
|
|
num = (header >> 29) & 7;
|
|
mask = (header >> 15) & 0x3fff;
|
|
addr = (header & 0x7ff8) >> 1;
|
|
#if 0
|
|
voodoo_fifo_log("CMDFIFO4 addr=%08x\n",addr);
|
|
#endif
|
|
while (mask) {
|
|
if (mask & 1) {
|
|
uint32_t val = cmdfifo_get(voodoo);
|
|
|
|
if ((addr & (1 << 13)) && voodoo->type >= VOODOO_BANSHEE) {
|
|
if (voodoo->type < VOODOO_BANSHEE)
|
|
fatal("CMDFIFO1: Not Banshee\n");
|
|
#if 0
|
|
voodoo_fifo_log("CMDFIFO1: write %08x %08x\n", addr, val);
|
|
#endif
|
|
|
|
voodoo_2d_reg_writel(voodoo, addr, val);
|
|
} else {
|
|
if ((addr & 0x3ff) == SST_triangleCMD || (addr & 0x3ff) == SST_ftriangleCMD || (addr & 0x3ff) == SST_fastfillCMD || (addr & 0x3ff) == SST_nopCMD)
|
|
voodoo->cmd_written_fifo++;
|
|
|
|
if (voodoo->type >= VOODOO_BANSHEE && (addr & 0x3ff) == SST_swapbufferCMD)
|
|
voodoo->cmd_written_fifo++;
|
|
voodoo_reg_writel(addr, val, voodoo);
|
|
}
|
|
}
|
|
|
|
addr += 4;
|
|
mask >>= 1;
|
|
}
|
|
while (num--)
|
|
cmdfifo_get(voodoo);
|
|
break;
|
|
|
|
case 5:
|
|
#if 0
|
|
if (header & 0x3fc00000)
|
|
fatal("CMDFIFO packet 5 has byte disables set %08x\n", header);
|
|
#endif
|
|
num = (header >> 3) & 0x7ffff;
|
|
addr = cmdfifo_get(voodoo) & 0xffffff;
|
|
if (!num)
|
|
num = 1;
|
|
#if 0
|
|
voodoo_fifo_log("CMDFIFO5 addr=%08x num=%i\n", addr, num);
|
|
#endif
|
|
switch (header >> 30) {
|
|
case 0: /*Linear framebuffer (Banshee)*/
|
|
case 1: /*Planar YUV*/
|
|
if (voodoo->texture_present[0][(addr & voodoo->texture_mask) >> TEX_DIRTY_SHIFT]) {
|
|
#if 0
|
|
voodoo_fifo_log("texture_present at %08x %i\n", addr, (addr & voodoo->texture_mask) >> TEX_DIRTY_SHIFT);
|
|
#endif
|
|
flush_texture_cache(voodoo, addr & voodoo->texture_mask, 0);
|
|
}
|
|
if (voodoo->texture_present[1][(addr & voodoo->texture_mask) >> TEX_DIRTY_SHIFT]) {
|
|
#if 0
|
|
voodoo_fifo_log("texture_present at %08x %i\n", addr, (addr & voodoo->texture_mask) >> TEX_DIRTY_SHIFT);
|
|
#endif
|
|
flush_texture_cache(voodoo, addr & voodoo->texture_mask, 1);
|
|
}
|
|
while (num--) {
|
|
uint32_t val = cmdfifo_get(voodoo);
|
|
if (addr <= voodoo->fb_mask)
|
|
*(uint32_t *) &voodoo->fb_mem[addr] = val;
|
|
addr += 4;
|
|
}
|
|
break;
|
|
case 2: /*Framebuffer*/
|
|
while (num--) {
|
|
uint32_t val = cmdfifo_get(voodoo);
|
|
voodoo_fb_writel(addr, val, voodoo);
|
|
addr += 4;
|
|
}
|
|
break;
|
|
case 3: /*Texture*/
|
|
while (num--) {
|
|
uint32_t val = cmdfifo_get(voodoo);
|
|
voodoo_tex_writel(addr, val, voodoo);
|
|
addr += 4;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
fatal("CMDFIFO packet 5 bad space %08x %08x\n", header, voodoo->cmdfifo_rp);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
fatal("Bad CMDFIFO packet %08x %08x\n", header, voodoo->cmdfifo_rp);
|
|
}
|
|
|
|
end_time = plat_timer_read();
|
|
voodoo->time += end_time - start_time;
|
|
}
|
|
|
|
while (voodoo->cmdfifo_enabled_2 && (voodoo->cmdfifo_depth_rd_2 != voodoo->cmdfifo_depth_wr_2 || voodoo->cmdfifo_in_sub_2)) {
|
|
uint64_t start_time = plat_timer_read();
|
|
uint64_t end_time;
|
|
uint32_t header = cmdfifo_get_2(voodoo);
|
|
uint32_t addr;
|
|
uint32_t mask;
|
|
int smode;
|
|
int num;
|
|
int num_verticies;
|
|
int v_num;
|
|
|
|
#if 0
|
|
voodoo_fifo_log(" CMDFIFO header %08x at %08x\n", header, voodoo->cmdfifo_rp);
|
|
#endif
|
|
|
|
voodoo->cmd_status_2 &= ~7;
|
|
voodoo->cmd_status_2 |= (header & 7);
|
|
voodoo->cmd_status_2 |= (1 << 11);
|
|
switch (header & 7) {
|
|
case 0:
|
|
#if 0
|
|
voodoo_fifo_log("CMDFIFO0\n");
|
|
#endif
|
|
voodoo->cmd_status_2 = (voodoo->cmd_status_2 & 0xffff8fff) | (((header >> 3) & 7) << 12);
|
|
switch ((header >> 3) & 7) {
|
|
case 0: /*NOP*/
|
|
break;
|
|
|
|
case 1: /*JSR*/
|
|
#if 0
|
|
voodoo_fifo_log("JSR %08x\n", (header >> 4) & 0xfffffc);
|
|
#endif
|
|
voodoo->cmdfifo_ret_addr_2 = voodoo->cmdfifo_rp_2;
|
|
voodoo->cmdfifo_rp_2 = (header >> 4) & 0xfffffc;
|
|
voodoo->cmdfifo_in_sub_2 = 1;
|
|
break;
|
|
|
|
case 2: /*RET*/
|
|
voodoo->cmdfifo_rp_2 = voodoo->cmdfifo_ret_addr_2;
|
|
voodoo->cmdfifo_in_sub_2 = 0;
|
|
break;
|
|
|
|
case 3: /*JMP local frame buffer*/
|
|
voodoo->cmdfifo_rp_2 = (header >> 4) & 0xfffffc;
|
|
#if 0
|
|
voodoo_fifo_log("JMP to %08x %04x\n", voodoo->cmdfifo_rp, header);
|
|
#endif
|
|
break;
|
|
|
|
default:
|
|
fatal("Bad CMDFIFO0 %08x\n", header);
|
|
}
|
|
voodoo->cmd_status_2 = (voodoo->cmd_status_2 & ~(1 << 27)) | (voodoo->cmdfifo_in_sub_2 << 27);
|
|
break;
|
|
|
|
case 1:
|
|
num = header >> 16;
|
|
addr = (header & 0x7ff8) >> 1;
|
|
#if 0
|
|
voodoo_fifo_log("CMDFIFO1 addr=%08x\n",addr);
|
|
#endif
|
|
while (num--) {
|
|
uint32_t val = cmdfifo_get_2(voodoo);
|
|
if ((addr & (1 << 13)) && voodoo->type >= VOODOO_BANSHEE) {
|
|
#if 0
|
|
if (voodoo->type != VOODOO_BANSHEE)
|
|
fatal("CMDFIFO1: Not Banshee\n");
|
|
#endif
|
|
|
|
#if 0
|
|
voodoo_fifo_log("CMDFIFO1: write %08x %08x\n", addr, val);
|
|
#endif
|
|
voodoo_2d_reg_writel(voodoo, addr, val);
|
|
} else {
|
|
if ((addr & 0x3ff) == SST_triangleCMD || (addr & 0x3ff) == SST_ftriangleCMD || (addr & 0x3ff) == SST_fastfillCMD || (addr & 0x3ff) == SST_nopCMD)
|
|
voodoo->cmd_written_fifo_2++;
|
|
|
|
if (voodoo->type >= VOODOO_BANSHEE && (addr & 0x3ff) == SST_swapbufferCMD)
|
|
voodoo->cmd_written_fifo_2++;
|
|
voodoo_reg_writel(addr, val, voodoo);
|
|
}
|
|
|
|
if (header & (1 << 15))
|
|
addr += 4;
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
if (voodoo->type < VOODOO_2)
|
|
fatal("CMDFIFO2: Not Voodoo 2\n");
|
|
mask = (header >> 3);
|
|
addr = 8;
|
|
while (mask) {
|
|
if (mask & 1) {
|
|
uint32_t val = cmdfifo_get_2(voodoo);
|
|
|
|
voodoo_2d_reg_writel(voodoo, addr, val);
|
|
}
|
|
|
|
addr += 4;
|
|
mask >>= 1;
|
|
}
|
|
break;
|
|
|
|
case 3:
|
|
num = (header >> 29) & 7;
|
|
mask = header; //(header >> 10) & 0xff;
|
|
smode = (header >> 22) & 0xf;
|
|
voodoo_reg_writel(SST_sSetupMode, ((header >> 10) & 0xff) | (smode << 16), voodoo);
|
|
num_verticies = (header >> 6) & 0xf;
|
|
v_num = 0;
|
|
if (((header >> 3) & 7) == 2)
|
|
v_num = 1;
|
|
#if 0
|
|
voodoo_fifo_log("CMDFIFO3: num=%i verts=%i mask=%02x\n", num, num_verticies, (header >> 10) & 0xff);
|
|
voodoo_fifo_log("CMDFIFO3 %02x %i\n", (header >> 10), (header >> 3) & 7);
|
|
#endif
|
|
|
|
while (num_verticies--) {
|
|
voodoo->verts[3].sVx = cmdfifo_get_f_2(voodoo);
|
|
voodoo->verts[3].sVy = cmdfifo_get_f_2(voodoo);
|
|
if (mask & CMDFIFO3_PC_MASK_RGB) {
|
|
if (header & CMDFIFO3_PC) {
|
|
uint32_t val = cmdfifo_get_2(voodoo);
|
|
voodoo->verts[3].sBlue = (float) (val & 0xff);
|
|
voodoo->verts[3].sGreen = (float) ((val >> 8) & 0xff);
|
|
voodoo->verts[3].sRed = (float) ((val >> 16) & 0xff);
|
|
voodoo->verts[3].sAlpha = (float) ((val >> 24) & 0xff);
|
|
} else {
|
|
voodoo->verts[3].sRed = cmdfifo_get_f_2(voodoo);
|
|
voodoo->verts[3].sGreen = cmdfifo_get_f_2(voodoo);
|
|
voodoo->verts[3].sBlue = cmdfifo_get_f_2(voodoo);
|
|
}
|
|
}
|
|
if ((mask & CMDFIFO3_PC_MASK_ALPHA) && !(header & CMDFIFO3_PC))
|
|
voodoo->verts[3].sAlpha = cmdfifo_get_f_2(voodoo);
|
|
if (mask & CMDFIFO3_PC_MASK_Z)
|
|
voodoo->verts[3].sVz = cmdfifo_get_f_2(voodoo);
|
|
if (mask & CMDFIFO3_PC_MASK_Wb)
|
|
voodoo->verts[3].sWb = cmdfifo_get_f_2(voodoo);
|
|
if (mask & CMDFIFO3_PC_MASK_W0)
|
|
voodoo->verts[3].sW0 = cmdfifo_get_f_2(voodoo);
|
|
if (mask & CMDFIFO3_PC_MASK_S0_T0) {
|
|
voodoo->verts[3].sS0 = cmdfifo_get_f_2(voodoo);
|
|
voodoo->verts[3].sT0 = cmdfifo_get_f_2(voodoo);
|
|
}
|
|
if (mask & CMDFIFO3_PC_MASK_W1)
|
|
voodoo->verts[3].sW1 = cmdfifo_get_f_2(voodoo);
|
|
if (mask & CMDFIFO3_PC_MASK_S1_T1) {
|
|
voodoo->verts[3].sS1 = cmdfifo_get_f_2(voodoo);
|
|
voodoo->verts[3].sT1 = cmdfifo_get_f_2(voodoo);
|
|
}
|
|
if (v_num)
|
|
voodoo_reg_writel(SST_sDrawTriCMD, 0, voodoo);
|
|
else
|
|
voodoo_reg_writel(SST_sBeginTriCMD, 0, voodoo);
|
|
v_num++;
|
|
if (v_num == 3 && ((header >> 3) & 7) == 0)
|
|
v_num = 0;
|
|
}
|
|
while (num--)
|
|
cmdfifo_get_2(voodoo);
|
|
break;
|
|
|
|
case 4:
|
|
num = (header >> 29) & 7;
|
|
mask = (header >> 15) & 0x3fff;
|
|
addr = (header & 0x7ff8) >> 1;
|
|
#if 0
|
|
voodoo_fifo_log("CMDFIFO4 addr=%08x\n",addr);
|
|
#endif
|
|
while (mask) {
|
|
if (mask & 1) {
|
|
uint32_t val = cmdfifo_get_2(voodoo);
|
|
|
|
if ((addr & (1 << 13)) && voodoo->type >= VOODOO_BANSHEE) {
|
|
if (voodoo->type < VOODOO_BANSHEE)
|
|
fatal("CMDFIFO1: Not Banshee\n");
|
|
#if 0
|
|
voodoo_fifo_log("CMDFIFO1: write %08x %08x\n", addr, val);
|
|
#endif
|
|
|
|
voodoo_2d_reg_writel(voodoo, addr, val);
|
|
} else {
|
|
if ((addr & 0x3ff) == SST_triangleCMD || (addr & 0x3ff) == SST_ftriangleCMD || (addr & 0x3ff) == SST_fastfillCMD || (addr & 0x3ff) == SST_nopCMD)
|
|
voodoo->cmd_written_fifo_2++;
|
|
|
|
if (voodoo->type >= VOODOO_BANSHEE && (addr & 0x3ff) == SST_swapbufferCMD)
|
|
voodoo->cmd_written_fifo_2++;
|
|
voodoo_reg_writel(addr, val, voodoo);
|
|
}
|
|
}
|
|
|
|
addr += 4;
|
|
mask >>= 1;
|
|
}
|
|
while (num--)
|
|
cmdfifo_get_2(voodoo);
|
|
break;
|
|
|
|
case 5:
|
|
#if 0
|
|
if (header & 0x3fc00000)
|
|
fatal("CMDFIFO packet 5 has byte disables set %08x\n", header);
|
|
#endif
|
|
num = (header >> 3) & 0x7ffff;
|
|
addr = cmdfifo_get_2(voodoo) & 0xffffff;
|
|
if (!num)
|
|
num = 1;
|
|
#if 0
|
|
voodoo_fifo_log("CMDFIFO5 addr=%08x num=%i\n", addr, num);
|
|
#endif
|
|
switch (header >> 30) {
|
|
case 0: /*Linear framebuffer (Banshee)*/
|
|
case 1: /*Planar YUV*/
|
|
if (voodoo->texture_present[0][(addr & voodoo->texture_mask) >> TEX_DIRTY_SHIFT]) {
|
|
#if 0
|
|
voodoo_fifo_log("texture_present at %08x %i\n", addr, (addr & voodoo->texture_mask) >> TEX_DIRTY_SHIFT);
|
|
#endif
|
|
flush_texture_cache(voodoo, addr & voodoo->texture_mask, 0);
|
|
}
|
|
if (voodoo->texture_present[1][(addr & voodoo->texture_mask) >> TEX_DIRTY_SHIFT]) {
|
|
#if 0
|
|
voodoo_fifo_log("texture_present at %08x %i\n", addr, (addr & voodoo->texture_mask) >> TEX_DIRTY_SHIFT);
|
|
#endif
|
|
flush_texture_cache(voodoo, addr & voodoo->texture_mask, 1);
|
|
}
|
|
while (num--) {
|
|
uint32_t val = cmdfifo_get_2(voodoo);
|
|
if (addr <= voodoo->fb_mask)
|
|
*(uint32_t *) &voodoo->fb_mem[addr] = val;
|
|
addr += 4;
|
|
}
|
|
break;
|
|
case 2: /*Framebuffer*/
|
|
while (num--) {
|
|
uint32_t val = cmdfifo_get_2(voodoo);
|
|
voodoo_fb_writel(addr, val, voodoo);
|
|
addr += 4;
|
|
}
|
|
break;
|
|
case 3: /*Texture*/
|
|
while (num--) {
|
|
uint32_t val = cmdfifo_get_2(voodoo);
|
|
voodoo_tex_writel(addr, val, voodoo);
|
|
addr += 4;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
fatal("CMDFIFO packet 5 bad space %08x %08x\n", header, voodoo->cmdfifo_rp);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
fatal("Bad CMDFIFO packet %08x %08x\n", header, voodoo->cmdfifo_rp);
|
|
}
|
|
|
|
end_time = plat_timer_read();
|
|
voodoo->time += end_time - start_time;
|
|
}
|
|
|
|
voodoo->voodoo_busy = 0;
|
|
}
|
|
}
|