diff options
Diffstat (limited to 'src/radeon_bios.c')
| -rw-r--r-- | src/radeon_bios.c | 462 |
1 files changed, 462 insertions, 0 deletions
diff --git a/src/radeon_bios.c b/src/radeon_bios.c index 76b0a728..543ccb9b 100644 --- a/src/radeon_bios.c +++ b/src/radeon_bios.c @@ -612,3 +612,465 @@ Bool RADEONGetTMDSInfoFromBIOS (xf86OutputPtr output) } return FALSE; } + +/* support for init from bios tables + * + * Based heavily on the netbsd radeonfb driver + * Written by Garrett D'Amore + * Copyright (c) 2006 Itronix Inc. + * + */ + +/* bios table defines */ + +#define RADEON_TABLE_ENTRY_FLAG_MASK 0xe000 +#define RADEON_TABLE_ENTRY_INDEX_MASK 0x1fff +#define RADEON_TABLE_ENTRY_COMMAND_MASK 0x00ff + +#define RADEON_TABLE_FLAG_WRITE_INDEXED 0x0000 +#define RADEON_TABLE_FLAG_WRITE_DIRECT 0x2000 +#define RADEON_TABLE_FLAG_MASK_INDEXED 0x4000 +#define RADEON_TABLE_FLAG_MASK_DIRECT 0x6000 +#define RADEON_TABLE_FLAG_DELAY 0x8000 +#define RADEON_TABLE_FLAG_SCOMMAND 0xa000 + +#define RADEON_TABLE_SCOMMAND_WAIT_MC_BUSY_MASK 0x03 +#define RADEON_TABLE_SCOMMAND_WAIT_MEM_PWRUP_COMPLETE 0x08 + +#define RADEON_PLL_FLAG_MASK 0xc0 +#define RADEON_PLL_INDEX_MASK 0x3f + +#define RADEON_PLL_FLAG_WRITE 0x00 +#define RADEON_PLL_FLAG_MASK_BYTE 0x40 +#define RADEON_PLL_FLAG_WAIT 0x80 + +#define RADEON_PLL_WAIT_150MKS 1 +#define RADEON_PLL_WAIT_5MS 2 +#define RADEON_PLL_WAIT_MC_BUSY_MASK 3 +#define RADEON_PLL_WAIT_DLL_READY_MASK 4 +#define RADEON_PLL_WAIT_CHK_SET_CLK_PWRMGT_CNTL24 5 + +static CARD16 +RADEONValidateBIOSOffset(ScrnInfoPtr pScrn, CARD16 offset) +{ + RADEONInfoPtr info = RADEONPTR (pScrn); + CARD8 revision = RADEON_BIOS8(offset - 1); + + if (revision > 0x10) { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "Bad revision %d for BIOS table\n", revision); + return 0; + } + + if (offset < 0x60) { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "Bad offset 0x%x for BIOS Table\n", offset); + return 0; + } + + return offset; +} + +Bool +RADEONGetBIOSInitTableOffsets(ScrnInfoPtr pScrn) +{ + RADEONInfoPtr info = RADEONPTR (pScrn); + CARD8 val; + + if (!info->VBIOS) { + return FALSE; + } else { + if (info->IsAtomBios) { + return FALSE; + } else { + info->BiosTable.revision = RADEON_BIOS8(info->ROMHeaderStart + 4); + info->BiosTable.rr1_offset = RADEON_BIOS16(info->ROMHeaderStart + 0x0c); + if (info->BiosTable.rr1_offset) { + info->BiosTable.rr1_offset = + RADEONValidateBIOSOffset(pScrn, info->BiosTable.rr1_offset); + } + if (info->BiosTable.revision > 0x09) + return TRUE; + info->BiosTable.rr2_offset = RADEON_BIOS16(info->ROMHeaderStart + 0x4e); + if (info->BiosTable.rr2_offset) { + info->BiosTable.rr2_offset = + RADEONValidateBIOSOffset(pScrn, info->BiosTable.rr2_offset); + } + info->BiosTable.dyn_clk_offset = RADEON_BIOS16(info->ROMHeaderStart + 0x52); + if (info->BiosTable.dyn_clk_offset) { + info->BiosTable.dyn_clk_offset = + RADEONValidateBIOSOffset(pScrn, info->BiosTable.dyn_clk_offset); + } + info->BiosTable.pll_offset = RADEON_BIOS16(info->ROMHeaderStart + 0x46); + if (info->BiosTable.pll_offset) { + info->BiosTable.pll_offset = + RADEONValidateBIOSOffset(pScrn, info->BiosTable.pll_offset); + } + info->BiosTable.mem_config_offset = RADEON_BIOS16(info->ROMHeaderStart + 0x48); + if (info->BiosTable.mem_config_offset) { + info->BiosTable.mem_config_offset = + RADEONValidateBIOSOffset(pScrn, info->BiosTable.mem_config_offset); + } + if (info->BiosTable.mem_config_offset) { + info->BiosTable.mem_reset_offset = RADEON_BIOS16(info->BiosTable.mem_config_offset); + if (info->BiosTable.mem_reset_offset) { + while (RADEON_BIOS8(info->BiosTable.mem_reset_offset)) + info->BiosTable.mem_reset_offset++; + info->BiosTable.mem_reset_offset++; + info->BiosTable.mem_reset_offset += 2; + } + } + if (info->BiosTable.mem_config_offset) { + info->BiosTable.short_mem_offset = RADEON_BIOS16(info->BiosTable.mem_config_offset); + if ((info->BiosTable.short_mem_offset != 0) && + (RADEON_BIOS8(info->BiosTable.short_mem_offset - 2) <= 64)) + info->BiosTable.short_mem_offset += + RADEON_BIOS8(info->BiosTable.short_mem_offset - 3); + } + if (info->BiosTable.rr2_offset) { + info->BiosTable.rr3_offset = RADEON_BIOS16(info->BiosTable.rr2_offset); + if (info->BiosTable.rr3_offset) { + while ((val = RADEON_BIOS8(info->BiosTable.rr3_offset + 1)) != 0) { + if (val & 0x40) + info->BiosTable.rr3_offset += 10; + else if (val & 0x80) + info->BiosTable.rr3_offset += 4; + else + info->BiosTable.rr3_offset += 6; + } + info->BiosTable.rr3_offset += 2; + } + } + + if (info->BiosTable.rr3_offset) { + info->BiosTable.rr4_offset = RADEON_BIOS16(info->BiosTable.rr3_offset); + if (info->BiosTable.rr4_offset) { + while ((val = RADEON_BIOS8(info->BiosTable.rr4_offset + 1)) != 0) { + if (val & 0x40) + info->BiosTable.rr4_offset += 10; + else if (val & 0x80) + info->BiosTable.rr4_offset += 4; + else + info->BiosTable.rr4_offset += 6; + } + info->BiosTable.rr4_offset += 2; + } + } + + if (info->BiosTable.rr3_offset + 1 == info->BiosTable.pll_offset) { + info->BiosTable.rr3_offset = 0; + info->BiosTable.rr4_offset = 0; + } + + return TRUE; + + } + } +} + +static void +RADEONRestoreBIOSRegBlock(ScrnInfoPtr pScrn, CARD16 table_offset) +{ + RADEONInfoPtr info = RADEONPTR (pScrn); + unsigned char *RADEONMMIO = info->MMIO; + CARD16 offset = table_offset; + CARD16 value, flag, index, count; + CARD32 andmask, ormask, val, channel_complete_mask; + CARD8 command; + + if (offset == 0) + return; + + while ((value = RADEON_BIOS16(offset)) != 0) { + flag = value & RADEON_TABLE_ENTRY_FLAG_MASK; + index = value & RADEON_TABLE_ENTRY_INDEX_MASK; + command = value & RADEON_TABLE_ENTRY_COMMAND_MASK; + + offset += 2; + + switch (flag) { + case RADEON_TABLE_FLAG_WRITE_INDEXED: + val = RADEON_BIOS32(offset); + ErrorF("WRITE INDEXED: 0x%x 0x%x\n", + index, val); + OUTREG(RADEON_MM_INDEX, index); + OUTREG(RADEON_MM_DATA, val); + offset += 4; + break; + + case RADEON_TABLE_FLAG_WRITE_DIRECT: + val = RADEON_BIOS32(offset); + ErrorF("WRITE DIRECT: 0x%x 0x%x\n", index, val); + OUTREG(index, val); + offset += 4; + break; + + case RADEON_TABLE_FLAG_MASK_INDEXED: + andmask = RADEON_BIOS32(offset); + offset += 4; + ormask = RADEON_BIOS32(offset); + offset += 4; + ErrorF("MASK INDEXED: 0x%x 0x%x 0x%x\n", + index, andmask, ormask); + OUTREG(RADEON_MM_INDEX, index); + val = INREG(RADEON_MM_DATA); + val = (val & andmask) | ormask; + OUTREG(RADEON_MM_DATA, val); + break; + + case RADEON_TABLE_FLAG_MASK_DIRECT: + andmask = RADEON_BIOS32(offset); + offset += 4; + ormask = RADEON_BIOS32(offset); + offset += 4; + ErrorF("MASK DIRECT: 0x%x 0x%x 0x%x\n", + index, andmask, ormask); + val = INREG(index); + val = (val & andmask) | ormask; + OUTREG(index, val); + break; + + case RADEON_TABLE_FLAG_DELAY: + count = RADEON_BIOS16(offset); + ErrorF("delay: %d\n", count); + usleep(count); + offset += 2; + break; + + case RADEON_TABLE_FLAG_SCOMMAND: + ErrorF("SCOMMAND 0x%x\n", command); + switch (command) { + case RADEON_TABLE_SCOMMAND_WAIT_MC_BUSY_MASK: + count = RADEON_BIOS16(offset); + ErrorF("SCOMMAND_WAIT_MC_BUSY_MASK %d\n", count); + while (count--) { + if (!(INPLL(pScrn, RADEON_CLK_PWRMGT_CNTL) & + RADEON_MC_BUSY)) + break; + } + break; + + case RADEON_TABLE_SCOMMAND_WAIT_MEM_PWRUP_COMPLETE: + count = RADEON_BIOS16(offset); + ErrorF("SCOMMAND_WAIT_MEM_PWRUP_COMPLETE %d\n", count); + while (count--) { + /* XXX: may need indexed access */ + /* may need to take into account how many memory channels + * each card has + */ + if (IS_R300_VARIANT) + channel_complete_mask = R300_MEM_PWRUP_COMPLETE; + else + channel_complete_mask = RADEON_MEM_PWRUP_COMPLETE; + if ((INREG(RADEON_MEM_STR_CNTL) & + channel_complete_mask) == + channel_complete_mask) + break; + } + break; + + } + offset += 2; + break; + } + } +} + +static void +RADEONRestoreBIOSMemBlock(ScrnInfoPtr pScrn, CARD16 table_offset) +{ + RADEONInfoPtr info = RADEONPTR (pScrn); + unsigned char *RADEONMMIO = info->MMIO; + CARD16 offset = table_offset; + CARD16 count; + CARD32 ormask, val, channel_complete_mask; + CARD8 index; + + if (offset == 0) + return; + + while ((index = RADEON_BIOS8(offset)) != 0xff) { + offset++; + if (index == 0x0f) { + count = 20000; + ErrorF("MEM_WAIT_MEM_PWRUP_COMPLETE %d\n", count); + while (count--) { + /* XXX: may need indexed access */ + /* may need to take into account how many memory channels + * each card has + */ + if (IS_R300_VARIANT) + channel_complete_mask = R300_MEM_PWRUP_COMPLETE; + else + channel_complete_mask = RADEON_MEM_PWRUP_COMPLETE; + if ((INREG(RADEON_MEM_STR_CNTL) & + channel_complete_mask) == + channel_complete_mask) + break; + } + } else { + ormask = RADEON_BIOS16(offset); + offset += 2; + + ErrorF("INDEX RADEON_MEM_SDRAM_MODE_REG %x %x\n", + RADEON_SDRAM_MODE_MASK, ormask); + + /* can this use direct access? */ + OUTREG(RADEON_MM_INDEX, RADEON_MEM_SDRAM_MODE_REG); + val = INREG(RADEON_MM_DATA); + val = (val & RADEON_SDRAM_MODE_MASK) | ormask; + OUTREG(RADEON_MM_DATA, val); + + ormask = (CARD32)index << 24; + + ErrorF("INDEX RADEON_MEM_SDRAM_MODE_REG %x %x\n", + RADEON_B3MEM_RESET_MASK, ormask); + + /* can this use direct access? */ + OUTREG(RADEON_MM_INDEX, RADEON_MEM_SDRAM_MODE_REG); + val = INREG(RADEON_MM_DATA); + val = (val & RADEON_B3MEM_RESET_MASK) | ormask; + OUTREG(RADEON_MM_DATA, val); + } + } +} + +static void +RADEONRestoreBIOSPllBlock(ScrnInfoPtr pScrn, CARD16 table_offset) +{ + RADEONInfoPtr info = RADEONPTR (pScrn); + unsigned char *RADEONMMIO = info->MMIO; + CARD16 offset = table_offset; + CARD8 index, shift; + CARD32 andmask, ormask, val, clk_pwrmgt_cntl; + CARD16 count; + + if (offset == 0) + return; + + while ((index = BIOS8(offset)) != 0) { + offset++; + + switch (index & RADEON_PLL_FLAG_MASK) { + case RADEON_PLL_FLAG_WAIT: + switch (index & RADEON_PLL_INDEX_MASK) { + case RADEON_PLL_WAIT_150MKS: + ErrorF("delay: 150 us\n"); + usleep(150); + break; + case RADEON_PLL_WAIT_5MS: + usleep(5000); + ErrorF("delay: 5 ms\n"); + break; + + case RADEON_PLL_WAIT_MC_BUSY_MASK: + count = 1000; + ErrorF("PLL_WAIT_MC_BUSY_MASK %d\n", count); + while (count--) { + if (!(INPLL(pScrn, RADEON_CLK_PWRMGT_CNTL) & + RADEON_MC_BUSY)) + break; + } + break; + + case RADEON_PLL_WAIT_DLL_READY_MASK: + count = 1000; + ErrorF("PLL_WAIT_DLL_READY_MASK %d\n", count); + while (count--) { + if (INPLL(pScrn, RADEON_CLK_PWRMGT_CNTL) & + RADEON_DLL_READY) + break; + } + break; + + case RADEON_PLL_WAIT_CHK_SET_CLK_PWRMGT_CNTL24: + ErrorF("PLL_WAIT_CHK_SET_CLK_PWRMGT_CNTL24\n"); + clk_pwrmgt_cntl = INPLL(pScrn, RADEON_CLK_PWRMGT_CNTL); + if (clk_pwrmgt_cntl & RADEON_CG_NO1_DEBUG_0) { + val = INPLL(pScrn, RADEON_MCLK_CNTL); + /* is this right? */ + val = (val & 0xFFFF0000) | 0x1111; /* seems like we should clear these... */ + OUTPLL(pScrn, RADEON_MCLK_CNTL, val); + usleep(10000); + OUTPLL(pScrn, RADEON_CLK_PWRMGT_CNTL, + clk_pwrmgt_cntl & ~RADEON_CG_NO1_DEBUG_0); + usleep(10000); + } + break; + } + break; + + case RADEON_PLL_FLAG_MASK_BYTE: + shift = BIOS8(offset) * 8; + offset++; + + andmask = + (((CARD32)BIOS8(offset)) << shift) | + ~((CARD32)0xff << shift); + offset++; + + ormask = ((CARD32)BIOS8(offset)) << shift; + offset++; + + ErrorF("PLL_MASK_BYTE 0x%x 0x%x 0x%x 0x%x\n", + index, shift, andmask, ormask); + val = INPLL(pScrn, index); + val = (val & andmask) | ormask; + OUTPLL(pScrn, index, val); + break; + + case RADEON_PLL_FLAG_WRITE: + val = RADEON_BIOS32(offset); + ErrorF("PLL_WRITE 0x%x 0x%x\n", index, val); + OUTPLL(pScrn, index, val); + offset += 4; + break; + } + } +} + +Bool +RADEONPostCardFromBIOSTables(ScrnInfoPtr pScrn) +{ + RADEONInfoPtr info = RADEONPTR (pScrn); + + if (!info->VBIOS) { + return FALSE; + } else { + if (info->IsAtomBios) { + return FALSE; + } else { + if (info->BiosTable.rr1_offset) { + ErrorF("rr1 restore\n"); + RADEONRestoreBIOSRegBlock(pScrn, info->BiosTable.rr1_offset); + } + if (info->BiosTable.revision < 0x09) { + if (info->BiosTable.pll_offset) { + ErrorF("pll restore\n"); + RADEONRestoreBIOSPllBlock(pScrn, info->BiosTable.pll_offset); + } + if (info->BiosTable.rr2_offset) { + ErrorF("rr2 restore\n"); + RADEONRestoreBIOSRegBlock(pScrn, info->BiosTable.rr2_offset); + } + if (info->BiosTable.rr4_offset) { + ErrorF("rr4 restore\n"); + RADEONRestoreBIOSRegBlock(pScrn, info->BiosTable.rr4_offset); + } + if (info->BiosTable.mem_reset_offset) { + ErrorF("mem reset restore\n"); + RADEONRestoreBIOSMemBlock(pScrn, info->BiosTable.mem_reset_offset); + } + if (info->BiosTable.rr3_offset) { + ErrorF("rr3 restore\n"); + RADEONRestoreBIOSRegBlock(pScrn, info->BiosTable.rr3_offset); + } + if (info->BiosTable.dyn_clk_offset) { + ErrorF("dyn_clk restore\n"); + RADEONRestoreBIOSPllBlock(pScrn, info->BiosTable.dyn_clk_offset); + } + } + } + } + return TRUE; +} |