diff options
| -rw-r--r-- | linux-core/radeon_combios.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/linux-core/radeon_combios.c b/linux-core/radeon_combios.c index bb8d0b27..56116463 100644 --- a/linux-core/radeon_combios.c +++ b/linux-core/radeon_combios.c @@ -1016,3 +1016,258 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) return true; } +static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset) +{ + struct drm_radeon_private *dev_priv = dev->dev_private; + + if (offset) { + while (radeon_bios16(dev_priv, offset)) { + uint16_t cmd = ((radeon_bios16(dev_priv, offset) & 0xe000) >> 13); + uint32_t addr = (radeon_bios16(dev_priv, offset) & 0x1fff); + uint32_t val, and_mask, or_mask; + uint32_t tmp; + + offset += 2; + switch (cmd) { + case 0: + val = radeon_bios32(dev_priv, offset); + offset += 4; + RADEON_WRITE(addr, val); + break; + case 1: + val = radeon_bios32(dev_priv, offset); + offset += 4; + RADEON_WRITE(addr, val); + break; + case 2: + and_mask = radeon_bios32(dev_priv, offset); + offset += 4; + or_mask = radeon_bios32(dev_priv, offset); + offset += 4; + tmp = RADEON_READ(addr); + tmp &= and_mask; + tmp |= or_mask; + RADEON_WRITE(addr, tmp); + break; + case 3: + and_mask = radeon_bios32(dev_priv, offset); + offset += 4; + or_mask = radeon_bios32(dev_priv, offset); + offset += 4; + tmp = RADEON_READ(addr); + tmp &= and_mask; + tmp |= or_mask; + RADEON_WRITE(addr, tmp); + break; + case 4: + val = radeon_bios16(dev_priv, offset); + offset += 2; + udelay(val); + break; + case 5: + val = radeon_bios16(dev_priv, offset); + offset += 2; + switch (addr) { + case 8: + while (val--) { + if (!(RADEON_READ_PLL(dev_priv, RADEON_CLK_PWRMGT_CNTL) & + RADEON_MC_BUSY)) + break; + } + break; + case 9: + while (val--) { + if ((RADEON_READ(RADEON_MC_STATUS) & + RADEON_MC_IDLE)) + break; + } + break; + default: + break; + } + break; + default: + break; + } + } + } +} + +static void combios_parse_pll_table(struct drm_device *dev, uint16_t offset) +{ + struct drm_radeon_private *dev_priv = dev->dev_private; + + if (offset) { + while (radeon_bios8(dev_priv, offset)) { + uint8_t cmd = ((radeon_bios8(dev_priv, offset) & 0xc0) >> 6); + uint8_t addr = (radeon_bios8(dev_priv, offset) & 0x3f); + uint32_t val, shift, tmp; + uint32_t and_mask, or_mask; + + offset++; + switch (cmd) { + case 0: + val = radeon_bios32(dev_priv, offset); + offset += 4; + RADEON_WRITE_PLL(dev_priv, addr, val); + break; + case 1: + shift = radeon_bios8(dev_priv, offset) * 8; + offset++; + and_mask = radeon_bios8(dev_priv, offset) << shift; + and_mask |= ~(0xff << shift); + offset++; + or_mask = radeon_bios8(dev_priv, offset) << shift; + offset++; + tmp = RADEON_READ_PLL(dev_priv, addr); + tmp &= and_mask; + tmp |= or_mask; + RADEON_WRITE_PLL(dev_priv, addr, tmp); + break; + case 2: + case 3: + tmp = 1000; + switch (addr) { + case 1: + udelay(150); + break; + case 2: + udelay(1000); + break; + case 3: + while (tmp--) { + if (!(RADEON_READ_PLL(dev_priv, RADEON_CLK_PWRMGT_CNTL) & + RADEON_MC_BUSY)) + break; + } + break; + case 4: + while (tmp--) { + if (RADEON_READ_PLL(dev_priv, RADEON_CLK_PWRMGT_CNTL) & + RADEON_DLL_READY) + break; + } + break; + case 5: + tmp = RADEON_READ_PLL(dev_priv, RADEON_CLK_PWRMGT_CNTL); + if (tmp & RADEON_CG_NO1_DEBUG_0) { +#if 0 + uint32_t mclk_cntl = RADEON_READ_PLL(RADEON_MCLK_CNTL); + mclk_cntl &= 0xffff0000; + //mclk_cntl |= 0x00001111; /* ??? */ + RADEON_WRITE_PLL(dev_priv, RADEON_MCLK_CNTL, mclk_cntl); + udelay(10000); +#endif + RADEON_WRITE_PLL(dev_priv, RADEON_CLK_PWRMGT_CNTL, + tmp & ~RADEON_CG_NO1_DEBUG_0); + udelay(10000); + } + break; + default: + break; + } + break; + default: + break; + } + } + } +} + +static void combios_parse_ram_reset_table(struct drm_device *dev, uint16_t offset) +{ + struct drm_radeon_private *dev_priv = dev->dev_private; + uint32_t tmp; + + if (offset) { + uint8_t val = radeon_bios8(dev_priv, offset); + while (val != 0xff) { + offset++; + + if (val == 0x0f) { + uint32_t channel_complete_mask; + + if (radeon_is_r300(dev_priv)) + channel_complete_mask = R300_MEM_PWRUP_COMPLETE; + else + channel_complete_mask = RADEON_MEM_PWRUP_COMPLETE; + tmp = 20000; + while (tmp--) { + if ((RADEON_READ(RADEON_MEM_STR_CNTL) & + channel_complete_mask) == + channel_complete_mask) + break; + } + } else { + uint32_t or_mask = radeon_bios16(dev_priv, offset); + offset += 2; + + tmp = RADEON_READ(RADEON_MEM_SDRAM_MODE_REG); + tmp &= RADEON_SDRAM_MODE_MASK; + tmp |= or_mask; + RADEON_WRITE(RADEON_MEM_SDRAM_MODE_REG, tmp); + + or_mask = val << 24; + tmp = RADEON_READ(RADEON_MEM_SDRAM_MODE_REG); + tmp &= RADEON_B3MEM_RESET_MASK; + tmp |= or_mask; + RADEON_WRITE(RADEON_MEM_SDRAM_MODE_REG, tmp); + } + val = radeon_bios8(dev_priv, offset); + } + } +} + +void radeon_combios_dyn_clk_setup(struct drm_device *dev, int enable) +{ + uint16_t dyn_clk_info = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE); + + if (dyn_clk_info) + combios_parse_pll_table(dev, dyn_clk_info); +} + +void radeon_combios_asic_init(struct drm_device *dev) +{ + uint16_t table; + + /* ASIC INIT 1 */ + table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_1_TABLE); + if (table) + combios_parse_mmio_table(dev, table); + + /* PLL INIT */ + table = combios_get_table_offset(dev, COMBIOS_PLL_INIT_TABLE); + if (table) + combios_parse_pll_table(dev, table); + + /* ASIC INIT 2 */ + table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_2_TABLE); + if (table) + combios_parse_mmio_table(dev, table); + + /* ASIC INIT 4 */ + table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_4_TABLE); + if (table) + combios_parse_mmio_table(dev, table); + + /* RAM RESET */ + table = combios_get_table_offset(dev, COMBIOS_RAM_RESET_TABLE); + if (table) + combios_parse_ram_reset_table(dev, table); + + /* ASIC INIT 3 */ + table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_3_TABLE); + if (table) + combios_parse_mmio_table(dev, table); + + /* DYN CLK 1 */ + table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE); + if (table) + combios_parse_pll_table(dev, table); + + /* ASIC INIT 5 */ + table = combios_get_table_offset(dev, COMBIOS_ASIC_INIT_5_TABLE); + if (table) + combios_parse_mmio_table(dev, table); + +} |