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-rw-r--r--linux-core/atom.c1143
1 files changed, 0 insertions, 1143 deletions
diff --git a/linux-core/atom.c b/linux-core/atom.c
deleted file mode 100644
index 2a660a4f..00000000
--- a/linux-core/atom.c
+++ /dev/null
@@ -1,1143 +0,0 @@
-/*
- * Copyright 2008 Advanced Micro Devices, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Author: Stanislaw Skowronek
- */
-
-#include <linux/module.h>
-#include <linux/sched.h>
-
-#define ATOM_DEBUG
-
-#include "atom.h"
-#include "atom-names.h"
-#include "atom-bits.h"
-
-#define ATOM_COND_ABOVE 0
-#define ATOM_COND_ABOVEOREQUAL 1
-#define ATOM_COND_ALWAYS 2
-#define ATOM_COND_BELOW 3
-#define ATOM_COND_BELOWOREQUAL 4
-#define ATOM_COND_EQUAL 5
-#define ATOM_COND_NOTEQUAL 6
-
-#define ATOM_PORT_ATI 0
-#define ATOM_PORT_PCI 1
-#define ATOM_PORT_SYSIO 2
-
-#define ATOM_UNIT_MICROSEC 0
-#define ATOM_UNIT_MILLISEC 1
-
-#define PLL_INDEX 2
-#define PLL_DATA 3
-
-typedef struct {
- struct atom_context *ctx;
-
- uint32_t *ps, *ws;
- int ps_shift;
- uint16_t start;
-} atom_exec_context;
-
-int atom_debug = 0;
-void atom_execute_table(struct atom_context *ctx, int index, uint32_t *params);
-
-static uint32_t atom_arg_mask[8] = {0xFFFFFFFF, 0xFFFF, 0xFFFF00, 0xFFFF0000, 0xFF, 0xFF00, 0xFF0000, 0xFF000000};
-static int atom_arg_shift[8] = {0, 0, 8, 16, 0, 8, 16, 24};
-static int atom_dst_to_src[8][4] = { // translate destination alignment field to the source alignment encoding
- { 0, 0, 0, 0 },
- { 1, 2, 3, 0 },
- { 1, 2, 3, 0 },
- { 1, 2, 3, 0 },
- { 4, 5, 6, 7 },
- { 4, 5, 6, 7 },
- { 4, 5, 6, 7 },
- { 4, 5, 6, 7 },
-};
-static int atom_def_dst[8] = { 0, 0, 1, 2, 0, 1, 2, 3 };
-
-static int debug_depth = 0;
-#ifdef ATOM_DEBUG
-static void debug_print_spaces(int n)
-{
- while(n--)
- printk(" ");
-}
-#define DEBUG(...) do if(atom_debug) { printk(KERN_DEBUG __VA_ARGS__); } while(0)
-#define SDEBUG(...) do if(atom_debug) { printk(KERN_DEBUG); debug_print_spaces(debug_depth); printk(__VA_ARGS__); } while(0)
-#else
-#define DEBUG(...) do { } while(0)
-#define SDEBUG(...) do { } while(0)
-#endif
-
-static uint32_t atom_iio_execute(struct atom_context *ctx, int base, uint32_t index, uint32_t data)
-{
- uint32_t temp = 0xCDCDCDCD;
- while(1)
- switch(CU8(base)) {
- case ATOM_IIO_NOP:
- base++;
- break;
- case ATOM_IIO_READ:
- temp = ctx->card->reg_read(ctx->card, CU16(base+1));
- base+=3;
- break;
- case ATOM_IIO_WRITE:
- ctx->card->reg_write(ctx->card, CU16(base+1), temp);
- base+=3;
- break;
- case ATOM_IIO_CLEAR:
- temp &= ~((0xFFFFFFFF >> (32-CU8(base+1))) << CU8(base+2));
- base+=3;
- break;
- case ATOM_IIO_SET:
- temp |= (0xFFFFFFFF >> (32-CU8(base+1))) << CU8(base+2);
- base+=3;
- break;
- case ATOM_IIO_MOVE_INDEX:
- temp &= ~((0xFFFFFFFF >> (32-CU8(base+1))) << CU8(base+2));
- temp |= ((index >> CU8(base+2)) & (0xFFFFFFFF >> (32-CU8(base+1)))) << CU8(base+3);
- base+=4;
- break;
- case ATOM_IIO_MOVE_DATA:
- temp &= ~((0xFFFFFFFF >> (32-CU8(base+1))) << CU8(base+2));
- temp |= ((data >> CU8(base+2)) & (0xFFFFFFFF >> (32-CU8(base+1)))) << CU8(base+3);
- base+=4;
- break;
- case ATOM_IIO_MOVE_ATTR:
- temp &= ~((0xFFFFFFFF >> (32-CU8(base+1))) << CU8(base+2));
- temp |= ((ctx->io_attr >> CU8(base+2)) & (0xFFFFFFFF >> (32-CU8(base+1)))) << CU8(base+3);
- base+=4;
- break;
- case ATOM_IIO_END:
- return temp;
- default:
- printk(KERN_INFO "Unknown IIO opcode.\n");
- return 0;
- }
-}
-
-static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr, int *ptr, uint32_t *saved, int print)
-{
- uint32_t idx, val = 0xCDCDCDCD, align, arg;
- struct atom_context *gctx = ctx->ctx;
- arg = attr & 7;
- align = (attr >> 3) & 7;
- switch(arg) {
- case ATOM_ARG_REG:
- idx = U16(*ptr);
- (*ptr)+=2;
- if(print)
- DEBUG("REG[0x%04X]", idx);
- idx += gctx->reg_block;
- switch(gctx->io_mode) {
- case ATOM_IO_MM:
- val = gctx->card->reg_read(gctx->card, idx);
- break;
- case ATOM_IO_PCI:
- printk(KERN_INFO "PCI registers are not implemented.\n");
- return 0;
- case ATOM_IO_SYSIO:
- printk(KERN_INFO "SYSIO registers are not implemented.\n");
- return 0;
- default:
- if(!(gctx->io_mode&0x80)) {
- printk(KERN_INFO "Bad IO mode.\n");
- return 0;
- }
- if(!gctx->iio[gctx->io_mode&0x7F]) {
- printk(KERN_INFO "Undefined indirect IO read method %d.\n", gctx->io_mode&0x7F);
- return 0;
- }
- val = atom_iio_execute(gctx, gctx->iio[gctx->io_mode&0x7F], idx, 0);
- }
- break;
- case ATOM_ARG_PS:
- idx = U8(*ptr);
- (*ptr)++;
- val = ctx->ps[idx];
- if(print)
- DEBUG("PS[0x%02X,0x%04X]", idx, val);
- break;
- case ATOM_ARG_WS:
- idx = U8(*ptr);
- (*ptr)++;
- if(print)
- DEBUG("WS[0x%02X]", idx);
- switch(idx) {
- case ATOM_WS_QUOTIENT:
- val = gctx->divmul[0];
- break;
- case ATOM_WS_REMAINDER:
- val = gctx->divmul[1];
- break;
- case ATOM_WS_DATAPTR:
- val = gctx->data_block;
- break;
- case ATOM_WS_SHIFT:
- val = gctx->shift;
- break;
- case ATOM_WS_OR_MASK:
- val = 1<<gctx->shift;
- break;
- case ATOM_WS_AND_MASK:
- val = ~(1<<gctx->shift);
- break;
- case ATOM_WS_FB_WINDOW:
- val = gctx->fb_base;
- break;
- case ATOM_WS_ATTRIBUTES:
- val = gctx->io_attr;
- break;
- default:
- val = ctx->ws[idx];
- }
- break;
- case ATOM_ARG_ID:
- idx = U16(*ptr);
- (*ptr)+=2;
- if(print) {
- if(gctx->data_block)
- DEBUG("ID[0x%04X+%04X]", idx, gctx->data_block);
- else
- DEBUG("ID[0x%04X]", idx);
- }
- val = U32(idx + gctx->data_block);
- break;
- case ATOM_ARG_FB:
- idx = U8(*ptr);
- (*ptr)++;
- if(print)
- DEBUG("FB[0x%02X]", idx);
- printk(KERN_INFO "FB access is not implemented.\n");
- return 0;
- case ATOM_ARG_IMM:
- switch(align) {
- case ATOM_SRC_DWORD:
- val = U32(*ptr);
- (*ptr)+=4;
- if(print)
- DEBUG("IMM 0x%08X\n", val);
- return val;
- case ATOM_SRC_WORD0:
- case ATOM_SRC_WORD8:
- case ATOM_SRC_WORD16:
- val = U16(*ptr);
- (*ptr)+=2;
- if(print)
- DEBUG("IMM 0x%04X\n", val);
- return val;
- case ATOM_SRC_BYTE0:
- case ATOM_SRC_BYTE8:
- case ATOM_SRC_BYTE16:
- case ATOM_SRC_BYTE24:
- val = U8(*ptr);
- (*ptr)++;
- if(print)
- DEBUG("IMM 0x%02X\n", val);
- return val;
- }
- return 0;
- case ATOM_ARG_PLL:
- idx = U8(*ptr);
- (*ptr)++;
- if(print)
- DEBUG("PLL[0x%02X]", idx);
- gctx->card->reg_write(gctx->card, PLL_INDEX, idx);
- val = gctx->card->reg_read(gctx->card, PLL_DATA);
- break;
- case ATOM_ARG_MC:
- idx = U8(*ptr);
- (*ptr)++;
- if(print)
- DEBUG("MC[0x%02X]", idx);
- val = gctx->card->mc_read(gctx->card, idx);
- return 0;
- }
- if(saved)
- *saved = val;
- val &= atom_arg_mask[align];
- val >>= atom_arg_shift[align];
- if(print)
- switch(align) {
- case ATOM_SRC_DWORD:
- DEBUG(".[31:0] -> 0x%08X\n", val);
- break;
- case ATOM_SRC_WORD0:
- DEBUG(".[15:0] -> 0x%04X\n", val);
- break;
- case ATOM_SRC_WORD8:
- DEBUG(".[23:8] -> 0x%04X\n", val);
- break;
- case ATOM_SRC_WORD16:
- DEBUG(".[31:16] -> 0x%04X\n", val);
- break;
- case ATOM_SRC_BYTE0:
- DEBUG(".[7:0] -> 0x%02X\n", val);
- break;
- case ATOM_SRC_BYTE8:
- DEBUG(".[15:8] -> 0x%02X\n", val);
- break;
- case ATOM_SRC_BYTE16:
- DEBUG(".[23:16] -> 0x%02X\n", val);
- break;
- case ATOM_SRC_BYTE24:
- DEBUG(".[31:24] -> 0x%02X\n", val);
- break;
- }
- return val;
-}
-
-static void atom_skip_src_int(atom_exec_context *ctx, uint8_t attr, int *ptr)
-{
- uint32_t align = (attr >> 3) & 7, arg = attr & 7;
- switch(arg) {
- case ATOM_ARG_REG:
- case ATOM_ARG_ID:
- (*ptr)+=2;
- break;
- case ATOM_ARG_PLL:
- case ATOM_ARG_MC:
- case ATOM_ARG_PS:
- case ATOM_ARG_WS:
- case ATOM_ARG_FB:
- (*ptr)++;
- break;
- case ATOM_ARG_IMM:
- switch(align) {
- case ATOM_SRC_DWORD:
- (*ptr)+=4;
- return;
- case ATOM_SRC_WORD0:
- case ATOM_SRC_WORD8:
- case ATOM_SRC_WORD16:
- (*ptr)+=2;
- return;
- case ATOM_SRC_BYTE0:
- case ATOM_SRC_BYTE8:
- case ATOM_SRC_BYTE16:
- case ATOM_SRC_BYTE24:
- (*ptr)++;
- return;
- }
- return;
- }
-}
-
-static uint32_t atom_get_src(atom_exec_context *ctx, uint8_t attr, int *ptr)
-{
- return atom_get_src_int(ctx, attr, ptr, NULL, 1);
-}
-
-static uint32_t atom_get_dst(atom_exec_context *ctx, int arg, uint8_t attr, int *ptr, uint32_t *saved, int print)
-{
- return atom_get_src_int(ctx, arg|atom_dst_to_src[(attr>>3)&7][(attr>>6)&3]<<3, ptr, saved, print);
-}
-
-static void atom_skip_dst(atom_exec_context *ctx, int arg, uint8_t attr, int *ptr)
-{
- atom_skip_src_int(ctx, arg|atom_dst_to_src[(attr>>3)&7][(attr>>6)&3]<<3, ptr);
-}
-
-static void atom_put_dst(atom_exec_context *ctx, int arg, uint8_t attr, int *ptr, uint32_t val, uint32_t saved)
-{
- uint32_t align = atom_dst_to_src[(attr>>3)&7][(attr>>6)&3], old_val = val, idx;
- struct atom_context *gctx = ctx->ctx;
- old_val &= atom_arg_mask[align] >> atom_arg_shift[align];
- val <<= atom_arg_shift[align];
- val &= atom_arg_mask[align];
- saved &= ~atom_arg_mask[align];
- val |= saved;
- switch(arg) {
- case ATOM_ARG_REG:
- idx = U16(*ptr);
- (*ptr)+=2;
- DEBUG("REG[0x%04X]", idx);
- idx += gctx->reg_block;
- switch(gctx->io_mode) {
- case ATOM_IO_MM:
- if(idx == 0)
- gctx->card->reg_write(gctx->card, idx, val<<2);
- else
- gctx->card->reg_write(gctx->card, idx, val);
- break;
- case ATOM_IO_PCI:
- printk(KERN_INFO "PCI registers are not implemented.\n");
- return;
- case ATOM_IO_SYSIO:
- printk(KERN_INFO "SYSIO registers are not implemented.\n");
- return;
- default:
- if(!(gctx->io_mode&0x80)) {
- printk(KERN_INFO "Bad IO mode.\n");
- return;
- }
- if(!gctx->iio[gctx->io_mode&0xFF]) {
- printk(KERN_INFO "Undefined indirect IO write method %d.\n", gctx->io_mode&0x7F);
- return;
- }
- atom_iio_execute(gctx, gctx->iio[gctx->io_mode&0xFF], idx, val);
- }
- break;
- case ATOM_ARG_PS:
- idx = U8(*ptr);
- (*ptr)++;
- DEBUG("PS[0x%02X]", idx);
- ctx->ps[idx] = val;
- break;
- case ATOM_ARG_WS:
- idx = U8(*ptr);
- (*ptr)++;
- DEBUG("WS[0x%02X]", idx);
- switch(idx) {
- case ATOM_WS_QUOTIENT:
- gctx->divmul[0] = val;
- break;
- case ATOM_WS_REMAINDER:
- gctx->divmul[1] = val;
- break;
- case ATOM_WS_DATAPTR:
- gctx->data_block = val;
- break;
- case ATOM_WS_SHIFT:
- gctx->shift = val;
- break;
- case ATOM_WS_OR_MASK:
- case ATOM_WS_AND_MASK:
- break;
- case ATOM_WS_FB_WINDOW:
- gctx->fb_base = val;
- break;
- case ATOM_WS_ATTRIBUTES:
- gctx->io_attr = val;
- break;
- default:
- ctx->ws[idx] = val;
- }
- break;
- case ATOM_ARG_FB:
- idx = U8(*ptr);
- (*ptr)++;
- DEBUG("FB[0x%02X]", idx);
- printk(KERN_INFO "FB access is not implemented.\n");
- return;
- case ATOM_ARG_PLL:
- idx = U8(*ptr);
- (*ptr)++;
- DEBUG("PLL[0x%02X]", idx);
- gctx->card->reg_write(gctx->card, PLL_INDEX, idx);
- gctx->card->reg_write(gctx->card, PLL_DATA, val);
- break;
- case ATOM_ARG_MC:
- idx = U8(*ptr);
- (*ptr)++;
- DEBUG("MC[0x%02X]", idx);
- gctx->card->mc_write(gctx->card, idx, val);
- return;
- }
- switch(align) {
- case ATOM_SRC_DWORD:
- DEBUG(".[31:0] <- 0x%08X\n", old_val);
- break;
- case ATOM_SRC_WORD0:
- DEBUG(".[15:0] <- 0x%04X\n", old_val);
- break;
- case ATOM_SRC_WORD8:
- DEBUG(".[23:8] <- 0x%04X\n", old_val);
- break;
- case ATOM_SRC_WORD16:
- DEBUG(".[31:16] <- 0x%04X\n", old_val);
- break;
- case ATOM_SRC_BYTE0:
- DEBUG(".[7:0] <- 0x%02X\n", old_val);
- break;
- case ATOM_SRC_BYTE8:
- DEBUG(".[15:8] <- 0x%02X\n", old_val);
- break;
- case ATOM_SRC_BYTE16:
- DEBUG(".[23:16] <- 0x%02X\n", old_val);
- break;
- case ATOM_SRC_BYTE24:
- DEBUG(".[31:24] <- 0x%02X\n", old_val);
- break;
- }
-}
-
-static void atom_op_add(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t dst, src, saved;
- int dptr = *ptr;
- SDEBUG(" dst: ");
- dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
- SDEBUG(" src: ");
- src = atom_get_src(ctx, attr, ptr);
- dst += src;
- SDEBUG(" dst: ");
- atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
-}
-
-static void atom_op_and(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t dst, src, saved;
- int dptr = *ptr;
- SDEBUG(" dst: ");
- dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
- SDEBUG(" src: ");
- src = atom_get_src(ctx, attr, ptr);
- dst &= src;
- SDEBUG(" dst: ");
- atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
-}
-
-static void atom_op_beep(atom_exec_context *ctx, int *ptr, int arg)
-{
- printk("ATOM BIOS beeped!\n");
-}
-
-static void atom_op_calltable(atom_exec_context *ctx, int *ptr, int arg)
-{
- int idx = U8((*ptr)++);
- if(idx < ATOM_TABLE_NAMES_CNT)
- SDEBUG(" table: %d (%s)\n", idx, atom_table_names[idx]);
- else
- SDEBUG(" table: %d\n", idx);
- if(U16(ctx->ctx->cmd_table + 4 + 2*idx))
- atom_execute_table(ctx->ctx, idx, ctx->ps+ctx->ps_shift);
-}
-
-static void atom_op_clear(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t saved;
- int dptr = *ptr;
- attr &= 0x38;
- attr |= atom_def_dst[attr>>3]<<6;
- atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
- SDEBUG(" dst: ");
- atom_put_dst(ctx, arg, attr, &dptr, 0, saved);
-}
-
-static void atom_op_compare(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t dst, src;
- SDEBUG(" src1: ");
- dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
- SDEBUG(" src2: ");
- src = atom_get_src(ctx, attr, ptr);
- ctx->ctx->cs_equal = (dst == src);
- ctx->ctx->cs_above = (dst > src);
- SDEBUG(" result: %s %s\n", ctx->ctx->cs_equal?"EQ":"NE", ctx->ctx->cs_above?"GT":"LE");
-}
-
-static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t count = U8((*ptr)++);
- SDEBUG(" count: %d\n", count);
- if(arg == ATOM_UNIT_MICROSEC)
- schedule_timeout_uninterruptible(usecs_to_jiffies(count));
- else
- schedule_timeout_uninterruptible(msecs_to_jiffies(count));
-}
-
-static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t dst, src;
- SDEBUG(" src1: ");
- dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
- SDEBUG(" src2: ");
- src = atom_get_src(ctx, attr, ptr);
- if(src != 0) {
- ctx->ctx->divmul[0] = dst/src;
- ctx->ctx->divmul[1] = dst%src;
- } else {
- ctx->ctx->divmul[0] = 0;
- ctx->ctx->divmul[1] = 0;
- }
-}
-
-static void atom_op_eot(atom_exec_context *ctx, int *ptr, int arg)
-{
- /* functionally, a nop */
-}
-
-static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg)
-{
- int execute = 0, target = U16(*ptr);
- (*ptr)+=2;
- switch(arg) {
- case ATOM_COND_ABOVE:
- execute = ctx->ctx->cs_above;
- break;
- case ATOM_COND_ABOVEOREQUAL:
- execute = ctx->ctx->cs_above || ctx->ctx->cs_equal;
- break;
- case ATOM_COND_ALWAYS:
- execute = 1;
- break;
- case ATOM_COND_BELOW:
- execute = !(ctx->ctx->cs_above || ctx->ctx->cs_equal);
- break;
- case ATOM_COND_BELOWOREQUAL:
- execute = !ctx->ctx->cs_above;
- break;
- case ATOM_COND_EQUAL:
- execute = ctx->ctx->cs_equal;
- break;
- case ATOM_COND_NOTEQUAL:
- execute = !ctx->ctx->cs_equal;
- break;
- }
- if(arg != ATOM_COND_ALWAYS)
- SDEBUG(" taken: %s\n", execute?"yes":"no");
- SDEBUG(" target: 0x%04X\n", target);
- if(execute)
- *ptr = ctx->start+target;
-}
-
-static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t dst, src1, src2, saved;
- int dptr = *ptr;
- SDEBUG(" dst: ");
- dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
- SDEBUG(" src1: ");
- src1 = atom_get_src(ctx, attr, ptr);
- SDEBUG(" src2: ");
- src2 = atom_get_src(ctx, attr, ptr);
- dst &= src1;
- dst |= src2;
- SDEBUG(" dst: ");
- atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
-}
-
-static void atom_op_move(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t src, saved;
- int dptr = *ptr;
- if(((attr>>3)&7) != ATOM_SRC_DWORD)
- atom_get_dst(ctx, arg, attr, ptr, &saved, 0);
- else {
- atom_skip_dst(ctx, arg, attr, ptr);
- saved = 0xCDCDCDCD;
- }
- SDEBUG(" src: ");
- src = atom_get_src(ctx, attr, ptr);
- SDEBUG(" dst: ");
- atom_put_dst(ctx, arg, attr, &dptr, src, saved);
-}
-
-static void atom_op_mul(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t dst, src;
- SDEBUG(" src1: ");
- dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
- SDEBUG(" src2: ");
- src = atom_get_src(ctx, attr, ptr);
- ctx->ctx->divmul[0] = dst*src;
-}
-
-static void atom_op_nop(atom_exec_context *ctx, int *ptr, int arg)
-{
- /* nothing */
-}
-
-static void atom_op_or(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t dst, src, saved;
- int dptr = *ptr;
- SDEBUG(" dst: ");
- dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
- SDEBUG(" src: ");
- src = atom_get_src(ctx, attr, ptr);
- dst |= src;
- SDEBUG(" dst: ");
- atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
-}
-
-static void atom_op_postcard(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t val = U8((*ptr)++);
- SDEBUG("POST card output: 0x%02X\n", val);
-}
-
-static void atom_op_repeat(atom_exec_context *ctx, int *ptr, int arg)
-{
- printk(KERN_INFO "unimplemented!\n");
-}
-
-static void atom_op_restorereg(atom_exec_context *ctx, int *ptr, int arg)
-{
- printk(KERN_INFO "unimplemented!\n");
-}
-
-static void atom_op_savereg(atom_exec_context *ctx, int *ptr, int arg)
-{
- printk(KERN_INFO "unimplemented!\n");
-}
-
-static void atom_op_setdatablock(atom_exec_context *ctx, int *ptr, int arg)
-{
- int idx = U8(*ptr);
- (*ptr)++;
- SDEBUG(" block: %d\n", idx);
- if(!idx)
- ctx->ctx->data_block = 0;
- else if(idx==255)
- ctx->ctx->data_block = ctx->start;
- else
- ctx->ctx->data_block = U16(ctx->ctx->data_table + 4 + 2*idx);
- SDEBUG(" base: 0x%04X\n", ctx->ctx->data_block);
-}
-
-static void atom_op_setfbbase(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- SDEBUG(" fb_base: ");
- ctx->ctx->fb_base = atom_get_src(ctx, attr, ptr);
-}
-
-static void atom_op_setport(atom_exec_context *ctx, int *ptr, int arg)
-{
- int port;
- switch(arg) {
- case ATOM_PORT_ATI:
- port = U16(*ptr);
- if(port < ATOM_IO_NAMES_CNT)
- SDEBUG(" port: %d (%s)\n", port, atom_io_names[port]);
- else
- SDEBUG(" port: %d\n", port);
- if(!port)
- ctx->ctx->io_mode = ATOM_IO_MM;
- else
- ctx->ctx->io_mode = ATOM_IO_IIO|port;
- (*ptr)+=2;
- break;
- case ATOM_PORT_PCI:
- ctx->ctx->io_mode = ATOM_IO_PCI;
- (*ptr)++;
- break;
- case ATOM_PORT_SYSIO:
- ctx->ctx->io_mode = ATOM_IO_SYSIO;
- (*ptr)++;
- break;
- }
-}
-
-static void atom_op_setregblock(atom_exec_context *ctx, int *ptr, int arg)
-{
- ctx->ctx->reg_block = U16(*ptr);
- (*ptr)+=2;
- SDEBUG(" base: 0x%04X\n", ctx->ctx->reg_block);
-}
-
-static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++), shift;
- uint32_t saved, dst;
- int dptr = *ptr;
- attr &= 0x38;
- attr |= atom_def_dst[attr>>3]<<6;
- SDEBUG(" dst: ");
- dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
- shift = U8((*ptr)++);
- SDEBUG(" shift: %d\n", shift);
- dst <<= shift;
- SDEBUG(" dst: ");
- atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
-}
-
-static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++), shift;
- uint32_t saved, dst;
- int dptr = *ptr;
- attr &= 0x38;
- attr |= atom_def_dst[attr>>3]<<6;
- SDEBUG(" dst: ");
- dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
- shift = U8((*ptr)++);
- SDEBUG(" shift: %d\n", shift);
- dst >>= shift;
- SDEBUG(" dst: ");
- atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
-}
-
-static void atom_op_sub(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t dst, src, saved;
- int dptr = *ptr;
- SDEBUG(" dst: ");
- dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
- SDEBUG(" src: ");
- src = atom_get_src(ctx, attr, ptr);
- dst -= src;
- SDEBUG(" dst: ");
- atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
-}
-
-static void atom_op_switch(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t src, val, target;
- SDEBUG(" switch: ");
- src = atom_get_src(ctx, attr, ptr);
- while(U16(*ptr) != ATOM_CASE_END)
- if(U8(*ptr) == ATOM_CASE_MAGIC) {
- (*ptr)++;
- SDEBUG(" case: ");
- val = atom_get_src(ctx, (attr&0x38)|ATOM_ARG_IMM, ptr);
- target = U16(*ptr);
- if(val == src) {
- SDEBUG(" target: %04X\n", target);
- *ptr = ctx->start+target;
- return;
- }
- (*ptr) += 2;
- } else {
- printk(KERN_INFO "Bad case.\n");
- return;
- }
- (*ptr) += 2;
-}
-
-static void atom_op_test(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t dst, src;
- SDEBUG(" src1: ");
- dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
- SDEBUG(" src2: ");
- src = atom_get_src(ctx, attr, ptr);
- ctx->ctx->cs_equal = ((dst & src) == 0);
- SDEBUG(" result: %s\n", ctx->ctx->cs_equal?"EQ":"NE");
-}
-
-static void atom_op_xor(atom_exec_context *ctx, int *ptr, int arg)
-{
- uint8_t attr = U8((*ptr)++);
- uint32_t dst, src, saved;
- int dptr = *ptr;
- SDEBUG(" dst: ");
- dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
- SDEBUG(" src: ");
- src = atom_get_src(ctx, attr, ptr);
- dst ^= src;
- SDEBUG(" dst: ");
- atom_put_dst(ctx, arg, attr, &dptr, dst, saved);
-}
-
-static void atom_op_debug(atom_exec_context *ctx, int *ptr, int arg)
-{
- printk(KERN_INFO "unimplemented!\n");
-}
-
-static struct {
- void (*func)(atom_exec_context *, int *, int);
- int arg;
-} opcode_table[ATOM_OP_CNT] = {
- { NULL, 0 },
- { atom_op_move, ATOM_ARG_REG },
- { atom_op_move, ATOM_ARG_PS },
- { atom_op_move, ATOM_ARG_WS },
- { atom_op_move, ATOM_ARG_FB },
- { atom_op_move, ATOM_ARG_PLL },
- { atom_op_move, ATOM_ARG_MC },
- { atom_op_and, ATOM_ARG_REG },
- { atom_op_and, ATOM_ARG_PS },
- { atom_op_and, ATOM_ARG_WS },
- { atom_op_and, ATOM_ARG_FB },
- { atom_op_and, ATOM_ARG_PLL },
- { atom_op_and, ATOM_ARG_MC },
- { atom_op_or, ATOM_ARG_REG },
- { atom_op_or, ATOM_ARG_PS },
- { atom_op_or, ATOM_ARG_WS },
- { atom_op_or, ATOM_ARG_FB },
- { atom_op_or, ATOM_ARG_PLL },
- { atom_op_or, ATOM_ARG_MC },
- { atom_op_shl, ATOM_ARG_REG },
- { atom_op_shl, ATOM_ARG_PS },
- { atom_op_shl, ATOM_ARG_WS },
- { atom_op_shl, ATOM_ARG_FB },
- { atom_op_shl, ATOM_ARG_PLL },
- { atom_op_shl, ATOM_ARG_MC },
- { atom_op_shr, ATOM_ARG_REG },
- { atom_op_shr, ATOM_ARG_PS },
- { atom_op_shr, ATOM_ARG_WS },
- { atom_op_shr, ATOM_ARG_FB },
- { atom_op_shr, ATOM_ARG_PLL },
- { atom_op_shr, ATOM_ARG_MC },
- { atom_op_mul, ATOM_ARG_REG },
- { atom_op_mul, ATOM_ARG_PS },
- { atom_op_mul, ATOM_ARG_WS },
- { atom_op_mul, ATOM_ARG_FB },
- { atom_op_mul, ATOM_ARG_PLL },
- { atom_op_mul, ATOM_ARG_MC },
- { atom_op_div, ATOM_ARG_REG },
- { atom_op_div, ATOM_ARG_PS },
- { atom_op_div, ATOM_ARG_WS },
- { atom_op_div, ATOM_ARG_FB },
- { atom_op_div, ATOM_ARG_PLL },
- { atom_op_div, ATOM_ARG_MC },
- { atom_op_add, ATOM_ARG_REG },
- { atom_op_add, ATOM_ARG_PS },
- { atom_op_add, ATOM_ARG_WS },
- { atom_op_add, ATOM_ARG_FB },
- { atom_op_add, ATOM_ARG_PLL },
- { atom_op_add, ATOM_ARG_MC },
- { atom_op_sub, ATOM_ARG_REG },
- { atom_op_sub, ATOM_ARG_PS },
- { atom_op_sub, ATOM_ARG_WS },
- { atom_op_sub, ATOM_ARG_FB },
- { atom_op_sub, ATOM_ARG_PLL },
- { atom_op_sub, ATOM_ARG_MC },
- { atom_op_setport, ATOM_PORT_ATI },
- { atom_op_setport, ATOM_PORT_PCI },
- { atom_op_setport, ATOM_PORT_SYSIO },
- { atom_op_setregblock, 0 },
- { atom_op_setfbbase, 0 },
- { atom_op_compare, ATOM_ARG_REG },
- { atom_op_compare, ATOM_ARG_PS },
- { atom_op_compare, ATOM_ARG_WS },
- { atom_op_compare, ATOM_ARG_FB },
- { atom_op_compare, ATOM_ARG_PLL },
- { atom_op_compare, ATOM_ARG_MC },
- { atom_op_switch, 0 },
- { atom_op_jump, ATOM_COND_ALWAYS },
- { atom_op_jump, ATOM_COND_EQUAL },
- { atom_op_jump, ATOM_COND_BELOW },
- { atom_op_jump, ATOM_COND_ABOVE },
- { atom_op_jump, ATOM_COND_BELOWOREQUAL },
- { atom_op_jump, ATOM_COND_ABOVEOREQUAL },
- { atom_op_jump, ATOM_COND_NOTEQUAL },
- { atom_op_test, ATOM_ARG_REG },
- { atom_op_test, ATOM_ARG_PS },
- { atom_op_test, ATOM_ARG_WS },
- { atom_op_test, ATOM_ARG_FB },
- { atom_op_test, ATOM_ARG_PLL },
- { atom_op_test, ATOM_ARG_MC },
- { atom_op_delay, ATOM_UNIT_MILLISEC },
- { atom_op_delay, ATOM_UNIT_MICROSEC },
- { atom_op_calltable, 0 },
- { atom_op_repeat, 0 },
- { atom_op_clear, ATOM_ARG_REG },
- { atom_op_clear, ATOM_ARG_PS },
- { atom_op_clear, ATOM_ARG_WS },
- { atom_op_clear, ATOM_ARG_FB },
- { atom_op_clear, ATOM_ARG_PLL },
- { atom_op_clear, ATOM_ARG_MC },
- { atom_op_nop, 0 },
- { atom_op_eot, 0 },
- { atom_op_mask, ATOM_ARG_REG },
- { atom_op_mask, ATOM_ARG_PS },
- { atom_op_mask, ATOM_ARG_WS },
- { atom_op_mask, ATOM_ARG_FB },
- { atom_op_mask, ATOM_ARG_PLL },
- { atom_op_mask, ATOM_ARG_MC },
- { atom_op_postcard, 0 },
- { atom_op_beep, 0 },
- { atom_op_savereg, 0 },
- { atom_op_restorereg, 0 },
- { atom_op_setdatablock, 0 },
- { atom_op_xor, ATOM_ARG_REG },
- { atom_op_xor, ATOM_ARG_PS },
- { atom_op_xor, ATOM_ARG_WS },
- { atom_op_xor, ATOM_ARG_FB },
- { atom_op_xor, ATOM_ARG_PLL },
- { atom_op_xor, ATOM_ARG_MC },
- { atom_op_shl, ATOM_ARG_REG },
- { atom_op_shl, ATOM_ARG_PS },
- { atom_op_shl, ATOM_ARG_WS },
- { atom_op_shl, ATOM_ARG_FB },
- { atom_op_shl, ATOM_ARG_PLL },
- { atom_op_shl, ATOM_ARG_MC },
- { atom_op_shr, ATOM_ARG_REG },
- { atom_op_shr, ATOM_ARG_PS },
- { atom_op_shr, ATOM_ARG_WS },
- { atom_op_shr, ATOM_ARG_FB },
- { atom_op_shr, ATOM_ARG_PLL },
- { atom_op_shr, ATOM_ARG_MC },
- { atom_op_debug, 0 },
-};
-
-void atom_execute_table(struct atom_context *ctx, int index, uint32_t *params)
-{
- int base = CU16(ctx->cmd_table+4+2*index);
- int len, ws, ps, ptr;
- unsigned char op;
- atom_exec_context ectx;
-
- if(!base)
- return;
-
- len = CU16(base+ATOM_CT_SIZE_PTR);
- ws = CU8(base+ATOM_CT_WS_PTR);
- ps = CU8(base+ATOM_CT_PS_PTR) & ATOM_CT_PS_MASK;
- ptr = base+ATOM_CT_CODE_PTR;
-
- SDEBUG(">> execute %04X (len %d, WS %d, PS %d)\n", base, len, ws, ps);
-
- /* reset reg block */
- ctx->reg_block = 0;
- ectx.ctx = ctx;
- ectx.ps_shift = ps/4;
- ectx.start = base;
- ectx.ps = params;
- if(ws)
- ectx.ws = kzalloc(4*ws, GFP_KERNEL);
- else
- ectx.ws = NULL;
-
- debug_depth++;
- while(1) {
- op = CU8(ptr++);
- if(op<ATOM_OP_NAMES_CNT)
- SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr-1);
- else
- SDEBUG("[%d] @ 0x%04X\n", op, ptr-1);
-
- if(op<ATOM_OP_CNT && op>0)
- opcode_table[op].func(&ectx, &ptr, opcode_table[op].arg);
- else
- break;
-
- if(op == ATOM_OP_EOT)
- break;
- }
- debug_depth--;
- SDEBUG("<<\n");
-
- if(ws)
- kfree(ectx.ws);
-}
-
-static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 };
-static void atom_index_iio(struct atom_context *ctx, int base)
-{
- ctx->iio = kzalloc(2*256, GFP_KERNEL);
- while(CU8(base) == ATOM_IIO_START) {
- ctx->iio[CU8(base+1)] = base+2;
- base += 2;
- while(CU8(base) != ATOM_IIO_END)
- base += atom_iio_len[CU8(base)];
- base += 3;
- }
-}
-
-struct atom_context *atom_parse(struct card_info *card, void *bios)
-{
- int base;
- struct atom_context *ctx = kzalloc(sizeof(struct atom_context), GFP_KERNEL);
- char *str;
-
- ctx->card = card;
- ctx->bios = bios;
-
- if(CU16(0) != ATOM_BIOS_MAGIC) {
- printk(KERN_INFO "Invalid BIOS magic.\n");
- kfree(ctx);
- return NULL;
- }
- if(strncmp(CSTR(ATOM_ATI_MAGIC_PTR), ATOM_ATI_MAGIC, strlen(ATOM_ATI_MAGIC))) {
- printk(KERN_INFO "Invalid ATI magic.\n");
- kfree(ctx);
- return NULL;
- }
-
- base = CU16(ATOM_ROM_TABLE_PTR);
- if(strncmp(CSTR(base+ATOM_ROM_MAGIC_PTR), ATOM_ROM_MAGIC, strlen(ATOM_ROM_MAGIC))) {
- printk(KERN_INFO "Invalid ATOM magic.\n");
- kfree(ctx);
- return NULL;
- }
-
- ctx->cmd_table = CU16(base+ATOM_ROM_CMD_PTR);
- ctx->data_table = CU16(base+ATOM_ROM_DATA_PTR);
- atom_index_iio(ctx, CU16(ctx->data_table+ATOM_DATA_IIO_PTR)+4);
-
- str = CSTR(CU16(base+ATOM_ROM_MSG_PTR));
- while(*str && ((*str == '\n') || (*str == '\r')))
- str++;
- printk(KERN_INFO "ATOM BIOS: %s", str);
-
- return ctx;
-}
-
-int atom_asic_init(struct atom_context *ctx)
-{
- int hwi = CU16(ctx->data_table + ATOM_DATA_FWI_PTR);
- uint32_t ps[16];
- memset(ps, 0, 64);
-
- ps[0] = CU32(hwi + ATOM_FWI_DEFSCLK_PTR);
- ps[1] = CU32(hwi + ATOM_FWI_DEFMCLK_PTR);
- if(!ps[0] || !ps[1])
- return 1;
-
- if(!CU16(ctx->cmd_table+4+2*ATOM_CMD_INIT))
- return 1;
- atom_execute_table(ctx, ATOM_CMD_INIT, ps);
-
- return 0;
-}
-
-void atom_destroy(struct atom_context *ctx)
-{
- if(ctx->iio)
- kfree(ctx->iio);
- kfree(ctx);
-}
-
-
-void atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size, uint8_t *frev, uint8_t *crev, uint16_t *data_start)
-{
- int offset = index * 2 + 4;
- int idx = CU16(ctx->data_table + offset);
-
- if (size)
- *size = CU16(idx);
- if (frev)
- *frev = CU8(idx + 2);
- if (crev)
- *crev = CU8(idx + 3);
- *data_start = idx;
- return;
-}
-
-void atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t *frev, uint8_t *crev)
-{
- int offset = index * 2 + 4;
- int idx = CU16(ctx->cmd_table + offset);
-
- if (frev)
- *frev = CU8(idx + 2);
- if (crev)
- *crev = CU8(idx + 3);
- return;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 18:20:56 +0000