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linux/drivers/gpu/drm/radeon/radeon_combios.c

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/*
* Copyright 2004 ATI Technologies Inc., Markham, Ontario
* Copyright 2007-8 Advanced Micro Devices, Inc.
* Copyright 2008 Red Hat 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.
*
* Authors: Dave Airlie
* Alex Deucher
*/
#include "drmP.h"
#include "radeon_drm.h"
#include "radeon.h"
#include "atom.h"
#ifdef CONFIG_PPC_PMAC
/* not sure which of these are needed */
#include <asm/machdep.h>
#include <asm/pmac_feature.h>
#include <asm/prom.h>
#include <asm/pci-bridge.h>
#endif /* CONFIG_PPC_PMAC */
/* from radeon_encoder.c */
extern uint32_t
radeon_get_encoder_id(struct drm_device *dev, uint32_t supported_device,
uint8_t dac);
extern void radeon_link_encoder_connector(struct drm_device *dev);
/* from radeon_connector.c */
extern void
radeon_add_legacy_connector(struct drm_device *dev,
uint32_t connector_id,
uint32_t supported_device,
int connector_type,
struct radeon_i2c_bus_rec *i2c_bus,
uint16_t connector_object_id,
struct radeon_hpd *hpd);
/* from radeon_legacy_encoder.c */
extern void
radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_id,
uint32_t supported_device);
/* old legacy ATI BIOS routines */
/* COMBIOS table offsets */
enum radeon_combios_table_offset {
/* absolute offset tables */
COMBIOS_ASIC_INIT_1_TABLE,
COMBIOS_BIOS_SUPPORT_TABLE,
COMBIOS_DAC_PROGRAMMING_TABLE,
COMBIOS_MAX_COLOR_DEPTH_TABLE,
COMBIOS_CRTC_INFO_TABLE,
COMBIOS_PLL_INFO_TABLE,
COMBIOS_TV_INFO_TABLE,
COMBIOS_DFP_INFO_TABLE,
COMBIOS_HW_CONFIG_INFO_TABLE,
COMBIOS_MULTIMEDIA_INFO_TABLE,
COMBIOS_TV_STD_PATCH_TABLE,
COMBIOS_LCD_INFO_TABLE,
COMBIOS_MOBILE_INFO_TABLE,
COMBIOS_PLL_INIT_TABLE,
COMBIOS_MEM_CONFIG_TABLE,
COMBIOS_SAVE_MASK_TABLE,
COMBIOS_HARDCODED_EDID_TABLE,
COMBIOS_ASIC_INIT_2_TABLE,
COMBIOS_CONNECTOR_INFO_TABLE,
COMBIOS_DYN_CLK_1_TABLE,
COMBIOS_RESERVED_MEM_TABLE,
COMBIOS_EXT_TMDS_INFO_TABLE,
COMBIOS_MEM_CLK_INFO_TABLE,
COMBIOS_EXT_DAC_INFO_TABLE,
COMBIOS_MISC_INFO_TABLE,
COMBIOS_CRT_INFO_TABLE,
COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE,
COMBIOS_COMPONENT_VIDEO_INFO_TABLE,
COMBIOS_FAN_SPEED_INFO_TABLE,
COMBIOS_OVERDRIVE_INFO_TABLE,
COMBIOS_OEM_INFO_TABLE,
COMBIOS_DYN_CLK_2_TABLE,
COMBIOS_POWER_CONNECTOR_INFO_TABLE,
COMBIOS_I2C_INFO_TABLE,
/* relative offset tables */
COMBIOS_ASIC_INIT_3_TABLE, /* offset from misc info */
COMBIOS_ASIC_INIT_4_TABLE, /* offset from misc info */
COMBIOS_DETECTED_MEM_TABLE, /* offset from misc info */
COMBIOS_ASIC_INIT_5_TABLE, /* offset from misc info */
COMBIOS_RAM_RESET_TABLE, /* offset from mem config */
COMBIOS_POWERPLAY_INFO_TABLE, /* offset from mobile info */
COMBIOS_GPIO_INFO_TABLE, /* offset from mobile info */
COMBIOS_LCD_DDC_INFO_TABLE, /* offset from mobile info */
COMBIOS_TMDS_POWER_TABLE, /* offset from mobile info */
COMBIOS_TMDS_POWER_ON_TABLE, /* offset from tmds power */
COMBIOS_TMDS_POWER_OFF_TABLE, /* offset from tmds power */
};
enum radeon_combios_ddc {
DDC_NONE_DETECTED,
DDC_MONID,
DDC_DVI,
DDC_VGA,
DDC_CRT2,
DDC_LCD,
DDC_GPIO,
};
enum radeon_combios_connector {
CONNECTOR_NONE_LEGACY,
CONNECTOR_PROPRIETARY_LEGACY,
CONNECTOR_CRT_LEGACY,
CONNECTOR_DVI_I_LEGACY,
CONNECTOR_DVI_D_LEGACY,
CONNECTOR_CTV_LEGACY,
CONNECTOR_STV_LEGACY,
CONNECTOR_UNSUPPORTED_LEGACY
};
const int legacy_connector_convert[] = {
DRM_MODE_CONNECTOR_Unknown,
DRM_MODE_CONNECTOR_DVID,
DRM_MODE_CONNECTOR_VGA,
DRM_MODE_CONNECTOR_DVII,
DRM_MODE_CONNECTOR_DVID,
DRM_MODE_CONNECTOR_Composite,
DRM_MODE_CONNECTOR_SVIDEO,
DRM_MODE_CONNECTOR_Unknown,
};
static uint16_t combios_get_table_offset(struct drm_device *dev,
enum radeon_combios_table_offset table)
{
struct radeon_device *rdev = dev->dev_private;
int rev;
uint16_t offset = 0, check_offset;
if (!rdev->bios)
return 0;
switch (table) {
/* absolute offset tables */
case COMBIOS_ASIC_INIT_1_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0xc);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_BIOS_SUPPORT_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x14);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_DAC_PROGRAMMING_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x2a);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_MAX_COLOR_DEPTH_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x2c);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_CRTC_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x2e);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_PLL_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x30);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_TV_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x32);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_DFP_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x34);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_HW_CONFIG_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x36);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_MULTIMEDIA_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x38);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_TV_STD_PATCH_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x3e);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_LCD_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x40);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_MOBILE_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x42);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_PLL_INIT_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x46);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_MEM_CONFIG_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x48);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_SAVE_MASK_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x4a);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_HARDCODED_EDID_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x4c);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_ASIC_INIT_2_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x4e);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_CONNECTOR_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x50);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_DYN_CLK_1_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x52);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_RESERVED_MEM_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x54);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_EXT_TMDS_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x58);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_MEM_CLK_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x5a);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_EXT_DAC_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x5c);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_MISC_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x5e);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_CRT_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x60);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x62);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x64);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_FAN_SPEED_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x66);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_OVERDRIVE_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x68);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_OEM_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x6a);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_DYN_CLK_2_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x6c);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x6e);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_I2C_INFO_TABLE:
check_offset = RBIOS16(rdev->bios_header_start + 0x70);
if (check_offset)
offset = check_offset;
break;
/* relative offset tables */
case COMBIOS_ASIC_INIT_3_TABLE: /* offset from misc info */
check_offset =
combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
if (check_offset) {
rev = RBIOS8(check_offset);
if (rev > 0) {
check_offset = RBIOS16(check_offset + 0x3);
if (check_offset)
offset = check_offset;
}
}
break;
case COMBIOS_ASIC_INIT_4_TABLE: /* offset from misc info */
check_offset =
combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
if (check_offset) {
rev = RBIOS8(check_offset);
if (rev > 0) {
check_offset = RBIOS16(check_offset + 0x5);
if (check_offset)
offset = check_offset;
}
}
break;
case COMBIOS_DETECTED_MEM_TABLE: /* offset from misc info */
check_offset =
combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
if (check_offset) {
rev = RBIOS8(check_offset);
if (rev > 0) {
check_offset = RBIOS16(check_offset + 0x7);
if (check_offset)
offset = check_offset;
}
}
break;
case COMBIOS_ASIC_INIT_5_TABLE: /* offset from misc info */
check_offset =
combios_get_table_offset(dev, COMBIOS_MISC_INFO_TABLE);
if (check_offset) {
rev = RBIOS8(check_offset);
if (rev == 2) {
check_offset = RBIOS16(check_offset + 0x9);
if (check_offset)
offset = check_offset;
}
}
break;
case COMBIOS_RAM_RESET_TABLE: /* offset from mem config */
check_offset =
combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
if (check_offset) {
while (RBIOS8(check_offset++));
check_offset += 2;
if (check_offset)
offset = check_offset;
}
break;
case COMBIOS_POWERPLAY_INFO_TABLE: /* offset from mobile info */
check_offset =
combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
if (check_offset) {
check_offset = RBIOS16(check_offset + 0x11);
if (check_offset)
offset = check_offset;
}
break;
case COMBIOS_GPIO_INFO_TABLE: /* offset from mobile info */
check_offset =
combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
if (check_offset) {
check_offset = RBIOS16(check_offset + 0x13);
if (check_offset)
offset = check_offset;
}
break;
case COMBIOS_LCD_DDC_INFO_TABLE: /* offset from mobile info */
check_offset =
combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
if (check_offset) {
check_offset = RBIOS16(check_offset + 0x15);
if (check_offset)
offset = check_offset;
}
break;
case COMBIOS_TMDS_POWER_TABLE: /* offset from mobile info */
check_offset =
combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
if (check_offset) {
check_offset = RBIOS16(check_offset + 0x17);
if (check_offset)
offset = check_offset;
}
break;
case COMBIOS_TMDS_POWER_ON_TABLE: /* offset from tmds power */
check_offset =
combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
if (check_offset) {
check_offset = RBIOS16(check_offset + 0x2);
if (check_offset)
offset = check_offset;
}
break;
case COMBIOS_TMDS_POWER_OFF_TABLE: /* offset from tmds power */
check_offset =
combios_get_table_offset(dev, COMBIOS_TMDS_POWER_TABLE);
if (check_offset) {
check_offset = RBIOS16(check_offset + 0x4);
if (check_offset)
offset = check_offset;
}
break;
default:
break;
}
return offset;
}
bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
{
int edid_info;
struct edid *edid;
unsigned char *raw;
edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
if (!edid_info)
return false;
raw = rdev->bios + edid_info;
edid = kmalloc(EDID_LENGTH * (raw[0x7e] + 1), GFP_KERNEL);
if (edid == NULL)
return false;
memcpy((unsigned char *)edid, raw, EDID_LENGTH * (raw[0x7e] + 1));
if (!drm_edid_is_valid(edid)) {
kfree(edid);
return false;
}
rdev->mode_info.bios_hardcoded_edid = edid;
return true;
}
struct edid *
radeon_combios_get_hardcoded_edid(struct radeon_device *rdev)
{
if (rdev->mode_info.bios_hardcoded_edid)
return rdev->mode_info.bios_hardcoded_edid;
return NULL;
}
static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
int ddc_line)
{
struct radeon_i2c_bus_rec i2c;
if (ddc_line == RADEON_GPIOPAD_MASK) {
i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
i2c.a_clk_reg = RADEON_GPIOPAD_A;
i2c.a_data_reg = RADEON_GPIOPAD_A;
i2c.en_clk_reg = RADEON_GPIOPAD_EN;
i2c.en_data_reg = RADEON_GPIOPAD_EN;
i2c.y_clk_reg = RADEON_GPIOPAD_Y;
i2c.y_data_reg = RADEON_GPIOPAD_Y;
} else if (ddc_line == RADEON_MDGPIO_MASK) {
i2c.mask_clk_reg = RADEON_MDGPIO_MASK;
i2c.mask_data_reg = RADEON_MDGPIO_MASK;
i2c.a_clk_reg = RADEON_MDGPIO_A;
i2c.a_data_reg = RADEON_MDGPIO_A;
i2c.en_clk_reg = RADEON_MDGPIO_EN;
i2c.en_data_reg = RADEON_MDGPIO_EN;
i2c.y_clk_reg = RADEON_MDGPIO_Y;
i2c.y_data_reg = RADEON_MDGPIO_Y;
} else {
i2c.mask_clk_mask = RADEON_GPIO_EN_1;
i2c.mask_data_mask = RADEON_GPIO_EN_0;
i2c.a_clk_mask = RADEON_GPIO_A_1;
i2c.a_data_mask = RADEON_GPIO_A_0;
i2c.en_clk_mask = RADEON_GPIO_EN_1;
i2c.en_data_mask = RADEON_GPIO_EN_0;
i2c.y_clk_mask = RADEON_GPIO_Y_1;
i2c.y_data_mask = RADEON_GPIO_Y_0;
i2c.mask_clk_reg = ddc_line;
i2c.mask_data_reg = ddc_line;
i2c.a_clk_reg = ddc_line;
i2c.a_data_reg = ddc_line;
i2c.en_clk_reg = ddc_line;
i2c.en_data_reg = ddc_line;
i2c.y_clk_reg = ddc_line;
i2c.y_data_reg = ddc_line;
}
switch (rdev->family) {
case CHIP_R100:
case CHIP_RV100:
case CHIP_RS100:
case CHIP_RV200:
case CHIP_RS200:
case CHIP_RS300:
switch (ddc_line) {
case RADEON_GPIO_DVI_DDC:
i2c.hw_capable = true;
break;
default:
i2c.hw_capable = false;
break;
}
break;
case CHIP_R200:
switch (ddc_line) {
case RADEON_GPIO_DVI_DDC:
case RADEON_GPIO_MONID:
i2c.hw_capable = true;
break;
default:
i2c.hw_capable = false;
break;
}
break;
case CHIP_RV250:
case CHIP_RV280:
switch (ddc_line) {
case RADEON_GPIO_VGA_DDC:
case RADEON_GPIO_DVI_DDC:
case RADEON_GPIO_CRT2_DDC:
i2c.hw_capable = true;
break;
default:
i2c.hw_capable = false;
break;
}
break;
case CHIP_R300:
case CHIP_R350:
switch (ddc_line) {
case RADEON_GPIO_VGA_DDC:
case RADEON_GPIO_DVI_DDC:
i2c.hw_capable = true;
break;
default:
i2c.hw_capable = false;
break;
}
break;
case CHIP_RV350:
case CHIP_RV380:
case CHIP_RS400:
case CHIP_RS480:
switch (ddc_line) {
case RADEON_GPIO_VGA_DDC:
case RADEON_GPIO_DVI_DDC:
i2c.hw_capable = true;
break;
case RADEON_GPIO_MONID:
/* hw i2c on RADEON_GPIO_MONID doesn't seem to work
* reliably on some pre-r4xx hardware; not sure why.
*/
i2c.hw_capable = false;
break;
default:
i2c.hw_capable = false;
break;
}
break;
default:
i2c.hw_capable = false;
break;
}
i2c.mm_i2c = false;
i2c.i2c_id = 0;
i2c.hpd = RADEON_HPD_NONE;
if (ddc_line)
i2c.valid = true;
else
i2c.valid = false;
return i2c;
}
bool radeon_combios_get_clock_info(struct drm_device *dev)
{
struct radeon_device *rdev = dev->dev_private;
uint16_t pll_info;
struct radeon_pll *p1pll = &rdev->clock.p1pll;
struct radeon_pll *p2pll = &rdev->clock.p2pll;
struct radeon_pll *spll = &rdev->clock.spll;
struct radeon_pll *mpll = &rdev->clock.mpll;
int8_t rev;
uint16_t sclk, mclk;
pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
if (pll_info) {
rev = RBIOS8(pll_info);
/* pixel clocks */
p1pll->reference_freq = RBIOS16(pll_info + 0xe);
p1pll->reference_div = RBIOS16(pll_info + 0x10);
p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
p1pll->lcd_pll_out_min = p1pll->pll_out_min;
p1pll->lcd_pll_out_max = p1pll->pll_out_max;
if (rev > 9) {
p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
p1pll->pll_in_max = RBIOS32(pll_info + 0x3a);
} else {
p1pll->pll_in_min = 40;
p1pll->pll_in_max = 500;
}
*p2pll = *p1pll;
/* system clock */
spll->reference_freq = RBIOS16(pll_info + 0x1a);
spll->reference_div = RBIOS16(pll_info + 0x1c);
spll->pll_out_min = RBIOS32(pll_info + 0x1e);
spll->pll_out_max = RBIOS32(pll_info + 0x22);
if (rev > 10) {
spll->pll_in_min = RBIOS32(pll_info + 0x48);
spll->pll_in_max = RBIOS32(pll_info + 0x4c);
} else {
/* ??? */
spll->pll_in_min = 40;
spll->pll_in_max = 500;
}
/* memory clock */
mpll->reference_freq = RBIOS16(pll_info + 0x26);
mpll->reference_div = RBIOS16(pll_info + 0x28);
mpll->pll_out_min = RBIOS32(pll_info + 0x2a);
mpll->pll_out_max = RBIOS32(pll_info + 0x2e);
if (rev > 10) {
mpll->pll_in_min = RBIOS32(pll_info + 0x5a);
mpll->pll_in_max = RBIOS32(pll_info + 0x5e);
} else {
/* ??? */
mpll->pll_in_min = 40;
mpll->pll_in_max = 500;
}
/* default sclk/mclk */
sclk = RBIOS16(pll_info + 0xa);
mclk = RBIOS16(pll_info + 0x8);
if (sclk == 0)
sclk = 200 * 100;
if (mclk == 0)
mclk = 200 * 100;
rdev->clock.default_sclk = sclk;
rdev->clock.default_mclk = mclk;
return true;
}
return false;
}
bool radeon_combios_sideport_present(struct radeon_device *rdev)
{
struct drm_device *dev = rdev->ddev;
u16 igp_info;
igp_info = combios_get_table_offset(dev, COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE);
if (igp_info) {
if (RBIOS16(igp_info + 0x4))
return true;
}
return false;
}
static const uint32_t default_primarydac_adj[CHIP_LAST] = {
0x00000808, /* r100 */
0x00000808, /* rv100 */
0x00000808, /* rs100 */
0x00000808, /* rv200 */
0x00000808, /* rs200 */
0x00000808, /* r200 */
0x00000808, /* rv250 */
0x00000000, /* rs300 */
0x00000808, /* rv280 */
0x00000808, /* r300 */
0x00000808, /* r350 */
0x00000808, /* rv350 */
0x00000808, /* rv380 */
0x00000808, /* r420 */
0x00000808, /* r423 */
0x00000808, /* rv410 */
0x00000000, /* rs400 */
0x00000000, /* rs480 */
};
static void radeon_legacy_get_primary_dac_info_from_table(struct radeon_device *rdev,
struct radeon_encoder_primary_dac *p_dac)
{
p_dac->ps2_pdac_adj = default_primarydac_adj[rdev->family];
return;
}
struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
radeon_encoder
*encoder)
{
struct drm_device *dev = encoder->base.dev;
struct radeon_device *rdev = dev->dev_private;
uint16_t dac_info;
uint8_t rev, bg, dac;
struct radeon_encoder_primary_dac *p_dac = NULL;
int found = 0;
p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
GFP_KERNEL);
if (!p_dac)
return NULL;
/* check CRT table */
dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
if (dac_info) {
rev = RBIOS8(dac_info) & 0x3;
if (rev < 2) {
bg = RBIOS8(dac_info + 0x2) & 0xf;
dac = (RBIOS8(dac_info + 0x2) >> 4) & 0xf;
p_dac->ps2_pdac_adj = (bg << 8) | (dac);
} else {
bg = RBIOS8(dac_info + 0x2) & 0xf;
dac = RBIOS8(dac_info + 0x3) & 0xf;
p_dac->ps2_pdac_adj = (bg << 8) | (dac);
}
/* if the values are all zeros, use the table */
if (p_dac->ps2_pdac_adj)
found = 1;
}
if (!found) /* fallback to defaults */
radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
return p_dac;
}
enum radeon_tv_std
radeon_combios_get_tv_info(struct radeon_device *rdev)
{
struct drm_device *dev = rdev->ddev;
uint16_t tv_info;
enum radeon_tv_std tv_std = TV_STD_NTSC;
tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
if (tv_info) {
if (RBIOS8(tv_info + 6) == 'T') {
switch (RBIOS8(tv_info + 7) & 0xf) {
case 1:
tv_std = TV_STD_NTSC;
DRM_INFO("Default TV standard: NTSC\n");
break;
case 2:
tv_std = TV_STD_PAL;
DRM_INFO("Default TV standard: PAL\n");
break;
case 3:
tv_std = TV_STD_PAL_M;
DRM_INFO("Default TV standard: PAL-M\n");
break;
case 4:
tv_std = TV_STD_PAL_60;
DRM_INFO("Default TV standard: PAL-60\n");
break;
case 5:
tv_std = TV_STD_NTSC_J;
DRM_INFO("Default TV standard: NTSC-J\n");
break;
case 6:
tv_std = TV_STD_SCART_PAL;
DRM_INFO("Default TV standard: SCART-PAL\n");
break;
default:
tv_std = TV_STD_NTSC;
DRM_INFO
("Unknown TV standard; defaulting to NTSC\n");
break;
}
switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
case 0:
DRM_INFO("29.498928713 MHz TV ref clk\n");
break;
case 1:
DRM_INFO("28.636360000 MHz TV ref clk\n");
break;
case 2:
DRM_INFO("14.318180000 MHz TV ref clk\n");
break;
case 3:
DRM_INFO("27.000000000 MHz TV ref clk\n");
break;
default:
break;
}
}
}
return tv_std;
}
static const uint32_t default_tvdac_adj[CHIP_LAST] = {
0x00000000, /* r100 */
0x00280000, /* rv100 */
0x00000000, /* rs100 */
0x00880000, /* rv200 */
0x00000000, /* rs200 */
0x00000000, /* r200 */
0x00770000, /* rv250 */
0x00290000, /* rs300 */
0x00560000, /* rv280 */
0x00780000, /* r300 */
0x00770000, /* r350 */
0x00780000, /* rv350 */
0x00780000, /* rv380 */
0x01080000, /* r420 */
0x01080000, /* r423 */
0x01080000, /* rv410 */
0x00780000, /* rs400 */
0x00780000, /* rs480 */
};
static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
struct radeon_encoder_tv_dac *tv_dac)
{
tv_dac->ps2_tvdac_adj = default_tvdac_adj[rdev->family];
if ((rdev->flags & RADEON_IS_MOBILITY) && (rdev->family == CHIP_RV250))
tv_dac->ps2_tvdac_adj = 0x00880000;
tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
return;
}
struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
radeon_encoder
*encoder)
{
struct drm_device *dev = encoder->base.dev;
struct radeon_device *rdev = dev->dev_private;
uint16_t dac_info;
uint8_t rev, bg, dac;
struct radeon_encoder_tv_dac *tv_dac = NULL;
int found = 0;
tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
if (!tv_dac)
return NULL;
/* first check TV table */
dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
if (dac_info) {
rev = RBIOS8(dac_info + 0x3);
if (rev > 4) {
bg = RBIOS8(dac_info + 0xc) & 0xf;
dac = RBIOS8(dac_info + 0xd) & 0xf;
tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
bg = RBIOS8(dac_info + 0xe) & 0xf;
dac = RBIOS8(dac_info + 0xf) & 0xf;
tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
bg = RBIOS8(dac_info + 0x10) & 0xf;
dac = RBIOS8(dac_info + 0x11) & 0xf;
tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
/* if the values are all zeros, use the table */
if (tv_dac->ps2_tvdac_adj)
found = 1;
} else if (rev > 1) {
bg = RBIOS8(dac_info + 0xc) & 0xf;
dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf;
tv_dac->ps2_tvdac_adj = (bg << 16) | (dac << 20);
bg = RBIOS8(dac_info + 0xd) & 0xf;
dac = (RBIOS8(dac_info + 0xd) >> 4) & 0xf;
tv_dac->pal_tvdac_adj = (bg << 16) | (dac << 20);
bg = RBIOS8(dac_info + 0xe) & 0xf;
dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf;
tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
/* if the values are all zeros, use the table */
if (tv_dac->ps2_tvdac_adj)
found = 1;
}
tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
}
if (!found) {
/* then check CRT table */
dac_info =
combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
if (dac_info) {
rev = RBIOS8(dac_info) & 0x3;
if (rev < 2) {
bg = RBIOS8(dac_info + 0x3) & 0xf;
dac = (RBIOS8(dac_info + 0x3) >> 4) & 0xf;
tv_dac->ps2_tvdac_adj =
(bg << 16) | (dac << 20);
tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
/* if the values are all zeros, use the table */
if (tv_dac->ps2_tvdac_adj)
found = 1;
} else {
bg = RBIOS8(dac_info + 0x4) & 0xf;
dac = RBIOS8(dac_info + 0x5) & 0xf;
tv_dac->ps2_tvdac_adj =
(bg << 16) | (dac << 20);
tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj;
tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj;
/* if the values are all zeros, use the table */
if (tv_dac->ps2_tvdac_adj)
found = 1;
}
} else {
DRM_INFO("No TV DAC info found in BIOS\n");
}
}
if (!found) /* fallback to defaults */
radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
return tv_dac;
}
static struct radeon_encoder_lvds *radeon_legacy_get_lvds_info_from_regs(struct
radeon_device
*rdev)
{
struct radeon_encoder_lvds *lvds = NULL;
uint32_t fp_vert_stretch, fp_horz_stretch;
uint32_t ppll_div_sel, ppll_val;
uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
if (!lvds)
return NULL;
fp_vert_stretch = RREG32(RADEON_FP_VERT_STRETCH);
fp_horz_stretch = RREG32(RADEON_FP_HORZ_STRETCH);
/* These should be fail-safe defaults, fingers crossed */
lvds->panel_pwr_delay = 200;
lvds->panel_vcc_delay = 2000;
lvds->lvds_gen_cntl = RREG32(RADEON_LVDS_GEN_CNTL);
lvds->panel_digon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY1_SHIFT) & 0xf;
lvds->panel_blon_delay = (lvds_ss_gen_cntl >> RADEON_LVDS_PWRSEQ_DELAY2_SHIFT) & 0xf;
if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
lvds->native_mode.vdisplay =
((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
RADEON_VERT_PANEL_SHIFT) + 1;
else
lvds->native_mode.vdisplay =
(RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;
if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
lvds->native_mode.hdisplay =
(((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
else
lvds->native_mode.hdisplay =
((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;
if ((lvds->native_mode.hdisplay < 640) ||
(lvds->native_mode.vdisplay < 480)) {
lvds->native_mode.hdisplay = 640;
lvds->native_mode.vdisplay = 480;
}
ppll_div_sel = RREG8(RADEON_CLOCK_CNTL_INDEX + 1) & 0x3;
ppll_val = RREG32_PLL(RADEON_PPLL_DIV_0 + ppll_div_sel);
if ((ppll_val & 0x000707ff) == 0x1bb)
lvds->use_bios_dividers = false;
else {
lvds->panel_ref_divider =
RREG32_PLL(RADEON_PPLL_REF_DIV) & 0x3ff;
lvds->panel_post_divider = (ppll_val >> 16) & 0x7;
lvds->panel_fb_divider = ppll_val & 0x7ff;
if ((lvds->panel_ref_divider != 0) &&
(lvds->panel_fb_divider > 3))
lvds->use_bios_dividers = true;
}
lvds->panel_vcc_delay = 200;
DRM_INFO("Panel info derived from registers\n");
DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
lvds->native_mode.vdisplay);
return lvds;
}
struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
*encoder)
{
struct drm_device *dev = encoder->base.dev;
struct radeon_device *rdev = dev->dev_private;
uint16_t lcd_info;
uint32_t panel_setup;
char stmp[30];
int tmp, i;
struct radeon_encoder_lvds *lvds = NULL;
lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
if (lcd_info) {
lvds = kzalloc(sizeof(struct radeon_encoder_lvds), GFP_KERNEL);
if (!lvds)
return NULL;
for (i = 0; i < 24; i++)
stmp[i] = RBIOS8(lcd_info + i + 1);
stmp[24] = 0;
DRM_INFO("Panel ID String: %s\n", stmp);
lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
lvds->native_mode.vdisplay);
lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
lvds->panel_pwr_delay = RBIOS8(lcd_info + 0x24);
lvds->panel_digon_delay = RBIOS16(lcd_info + 0x38) & 0xf;
lvds->panel_blon_delay = (RBIOS16(lcd_info + 0x38) >> 4) & 0xf;
lvds->panel_ref_divider = RBIOS16(lcd_info + 0x2e);
lvds->panel_post_divider = RBIOS8(lcd_info + 0x30);
lvds->panel_fb_divider = RBIOS16(lcd_info + 0x31);
if ((lvds->panel_ref_divider != 0) &&
(lvds->panel_fb_divider > 3))
lvds->use_bios_dividers = true;
panel_setup = RBIOS32(lcd_info + 0x39);
lvds->lvds_gen_cntl = 0xff00;
if (panel_setup & 0x1)
lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
if ((panel_setup >> 4) & 0x1)
lvds->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
switch ((panel_setup >> 8) & 0x7) {
case 0:
lvds->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
break;
case 1:
lvds->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
break;
case 2:
lvds->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
break;
default:
break;
}
if ((panel_setup >> 16) & 0x1)
lvds->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
if ((panel_setup >> 17) & 0x1)
lvds->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
if ((panel_setup >> 18) & 0x1)
lvds->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
if ((panel_setup >> 23) & 0x1)
lvds->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
lvds->lvds_gen_cntl |= (panel_setup & 0xf0000000);
for (i = 0; i < 32; i++) {
tmp = RBIOS16(lcd_info + 64 + i * 2);
if (tmp == 0)
break;
if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
(RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) {
lvds->native_mode.htotal = lvds->native_mode.hdisplay +
(RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8;
lvds->native_mode.hsync_start = lvds->native_mode.hdisplay +
(RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8;
lvds->native_mode.hsync_end = lvds->native_mode.hsync_start +
(RBIOS8(tmp + 23) * 8);
lvds->native_mode.vtotal = lvds->native_mode.vdisplay +
(RBIOS16(tmp + 24) - RBIOS16(tmp + 26));
lvds->native_mode.vsync_start = lvds->native_mode.vdisplay +
((RBIOS16(tmp + 28) & 0x7ff) - RBIOS16(tmp + 26));
lvds->native_mode.vsync_end = lvds->native_mode.vsync_start +
((RBIOS16(tmp + 28) & 0xf800) >> 11);
lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
lvds->native_mode.flags = 0;
/* set crtc values */
drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);
}
}
} else {
DRM_INFO("No panel info found in BIOS\n");
lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
}
if (lvds)
encoder->native_mode = lvds->native_mode;
return lvds;
}
static const struct radeon_tmds_pll default_tmds_pll[CHIP_LAST][4] = {
{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}}, /* CHIP_R100 */
{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}}, /* CHIP_RV100 */
{{0, 0}, {0, 0}, {0, 0}, {0, 0}}, /* CHIP_RS100 */
{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}}, /* CHIP_RV200 */
{{12000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}}, /* CHIP_RS200 */
{{15000, 0xa1b}, {0xffffffff, 0xa3f}, {0, 0}, {0, 0}}, /* CHIP_R200 */
{{15500, 0x81b}, {0xffffffff, 0x83f}, {0, 0}, {0, 0}}, /* CHIP_RV250 */
{{0, 0}, {0, 0}, {0, 0}, {0, 0}}, /* CHIP_RS300 */
{{13000, 0x400f4}, {15000, 0x400f7}, {0xffffffff, 0x40111}, {0, 0}}, /* CHIP_RV280 */
{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}}, /* CHIP_R300 */
{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}}, /* CHIP_R350 */
{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}}, /* CHIP_RV350 */
{{15000, 0xb0155}, {0xffffffff, 0xb01cb}, {0, 0}, {0, 0}}, /* CHIP_RV380 */
{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}}, /* CHIP_R420 */
{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}}, /* CHIP_R423 */
{{0xffffffff, 0xb01cb}, {0, 0}, {0, 0}, {0, 0}}, /* CHIP_RV410 */
{ {0, 0}, {0, 0}, {0, 0}, {0, 0} }, /* CHIP_RS400 */
{ {0, 0}, {0, 0}, {0, 0}, {0, 0} }, /* CHIP_RS480 */
};
bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
struct radeon_encoder_int_tmds *tmds)
{
struct drm_device *dev = encoder->base.dev;
struct radeon_device *rdev = dev->dev_private;
int i;
for (i = 0; i < 4; i++) {
tmds->tmds_pll[i].value =
default_tmds_pll[rdev->family][i].value;
tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
}
return true;
}
bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
struct radeon_encoder_int_tmds *tmds)
{
struct drm_device *dev = encoder->base.dev;
struct radeon_device *rdev = dev->dev_private;
uint16_t tmds_info;
int i, n;
uint8_t ver;
tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
if (tmds_info) {
ver = RBIOS8(tmds_info);
DRM_INFO("DFP table revision: %d\n", ver);
if (ver == 3) {
n = RBIOS8(tmds_info + 5) + 1;
if (n > 4)
n = 4;
for (i = 0; i < n; i++) {
tmds->tmds_pll[i].value =
RBIOS32(tmds_info + i * 10 + 0x08);
tmds->tmds_pll[i].freq =
RBIOS16(tmds_info + i * 10 + 0x10);
DRM_DEBUG("TMDS PLL From COMBIOS %u %x\n",
tmds->tmds_pll[i].freq,
tmds->tmds_pll[i].value);
}
} else if (ver == 4) {
int stride = 0;
n = RBIOS8(tmds_info + 5) + 1;
if (n > 4)
n = 4;
for (i = 0; i < n; i++) {
tmds->tmds_pll[i].value =
RBIOS32(tmds_info + stride + 0x08);
tmds->tmds_pll[i].freq =
RBIOS16(tmds_info + stride + 0x10);
if (i == 0)
stride += 10;
else
stride += 6;
DRM_DEBUG("TMDS PLL From COMBIOS %u %x\n",
tmds->tmds_pll[i].freq,
tmds->tmds_pll[i].value);
}
}
} else {
DRM_INFO("No TMDS info found in BIOS\n");
return false;
}
return true;
}
bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
struct radeon_encoder_ext_tmds *tmds)
{
struct drm_device *dev = encoder->base.dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_i2c_bus_rec i2c_bus;
/* default for macs */
i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
/* XXX some macs have duallink chips */
switch (rdev->mode_info.connector_table) {
case CT_POWERBOOK_EXTERNAL:
case CT_MINI_EXTERNAL:
default:
tmds->dvo_chip = DVO_SIL164;
tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
break;
}
return true;
}
bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
struct radeon_encoder_ext_tmds *tmds)
{
struct drm_device *dev = encoder->base.dev;
struct radeon_device *rdev = dev->dev_private;
uint16_t offset;
uint8_t ver, id, blocks, clk, data;
int i;
enum radeon_combios_ddc gpio;
struct radeon_i2c_bus_rec i2c_bus;
tmds->i2c_bus = NULL;
if (rdev->flags & RADEON_IS_IGP) {
offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
if (offset) {
ver = RBIOS8(offset);
DRM_INFO("GPIO Table revision: %d\n", ver);
blocks = RBIOS8(offset + 2);
for (i = 0; i < blocks; i++) {
id = RBIOS8(offset + 3 + (i * 5) + 0);
if (id == 136) {
clk = RBIOS8(offset + 3 + (i * 5) + 3);
data = RBIOS8(offset + 3 + (i * 5) + 4);
i2c_bus.valid = true;
i2c_bus.mask_clk_mask = (1 << clk);
i2c_bus.mask_data_mask = (1 << data);
i2c_bus.a_clk_mask = (1 << clk);
i2c_bus.a_data_mask = (1 << data);
i2c_bus.en_clk_mask = (1 << clk);
i2c_bus.en_data_mask = (1 << data);
i2c_bus.y_clk_mask = (1 << clk);
i2c_bus.y_data_mask = (1 << data);
i2c_bus.mask_clk_reg = RADEON_GPIOPAD_MASK;
i2c_bus.mask_data_reg = RADEON_GPIOPAD_MASK;
i2c_bus.a_clk_reg = RADEON_GPIOPAD_A;
i2c_bus.a_data_reg = RADEON_GPIOPAD_A;
i2c_bus.en_clk_reg = RADEON_GPIOPAD_EN;
i2c_bus.en_data_reg = RADEON_GPIOPAD_EN;
i2c_bus.y_clk_reg = RADEON_GPIOPAD_Y;
i2c_bus.y_data_reg = RADEON_GPIOPAD_Y;
tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
tmds->dvo_chip = DVO_SIL164;
tmds->slave_addr = 0x70 >> 1; /* 7 bit addressing */
break;
}
}
}
} else {
offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
if (offset) {
ver = RBIOS8(offset);
DRM_INFO("External TMDS Table revision: %d\n", ver);
tmds->slave_addr = RBIOS8(offset + 4 + 2);
tmds->slave_addr >>= 1; /* 7 bit addressing */
gpio = RBIOS8(offset + 4 + 3);
switch (gpio) {
case DDC_MONID:
i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
break;
case DDC_DVI:
i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
break;
case DDC_VGA:
i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
break;
case DDC_CRT2:
/* R3xx+ chips don't have GPIO_CRT2_DDC gpio pad */
if (rdev->family >= CHIP_R300)
i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
else
i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
break;
case DDC_LCD: /* MM i2c */
i2c_bus.valid = true;
i2c_bus.hw_capable = true;
i2c_bus.mm_i2c = true;
tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
break;
default:
DRM_ERROR("Unsupported gpio %d\n", gpio);
break;
}
}
}
if (!tmds->i2c_bus) {
DRM_INFO("No valid Ext TMDS info found in BIOS\n");
return false;
}
return true;
}
bool radeon_get_legacy_connector_info_from_table(struct drm_device *dev)
{
struct radeon_device *rdev = dev->dev_private;
struct radeon_i2c_bus_rec ddc_i2c;
struct radeon_hpd hpd;
rdev->mode_info.connector_table = radeon_connector_table;
if (rdev->mode_info.connector_table == CT_NONE) {
#ifdef CONFIG_PPC_PMAC
if (of_machine_is_compatible("PowerBook3,3")) {
/* powerbook with VGA */
rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
} else if (of_machine_is_compatible("PowerBook3,4") ||
of_machine_is_compatible("PowerBook3,5")) {
/* powerbook with internal tmds */
rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
} else if (of_machine_is_compatible("PowerBook5,1") ||
of_machine_is_compatible("PowerBook5,2") ||
of_machine_is_compatible("PowerBook5,3") ||
of_machine_is_compatible("PowerBook5,4") ||
of_machine_is_compatible("PowerBook5,5")) {
/* powerbook with external single link tmds (sil164) */
rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
} else if (of_machine_is_compatible("PowerBook5,6")) {
/* powerbook with external dual or single link tmds */
rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
} else if (of_machine_is_compatible("PowerBook5,7") ||
of_machine_is_compatible("PowerBook5,8") ||
of_machine_is_compatible("PowerBook5,9")) {
/* PowerBook6,2 ? */
/* powerbook with external dual link tmds (sil1178?) */
rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
} else if (of_machine_is_compatible("PowerBook4,1") ||
of_machine_is_compatible("PowerBook4,2") ||
of_machine_is_compatible("PowerBook4,3") ||
of_machine_is_compatible("PowerBook6,3") ||
of_machine_is_compatible("PowerBook6,5") ||
of_machine_is_compatible("PowerBook6,7")) {
/* ibook */
rdev->mode_info.connector_table = CT_IBOOK;
} else if (of_machine_is_compatible("PowerMac4,4")) {
/* emac */
rdev->mode_info.connector_table = CT_EMAC;
} else if (of_machine_is_compatible("PowerMac10,1")) {
/* mini with internal tmds */
rdev->mode_info.connector_table = CT_MINI_INTERNAL;
} else if (of_machine_is_compatible("PowerMac10,2")) {
/* mini with external tmds */
rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
} else if (of_machine_is_compatible("PowerMac12,1")) {
/* PowerMac8,1 ? */
/* imac g5 isight */
rdev->mode_info.connector_table = CT_IMAC_G5_ISIGHT;
} else
#endif /* CONFIG_PPC_PMAC */
rdev->mode_info.connector_table = CT_GENERIC;
}
switch (rdev->mode_info.connector_table) {
case CT_GENERIC:
DRM_INFO("Connector Table: %d (generic)\n",
rdev->mode_info.connector_table);
/* these are the most common settings */
if (rdev->flags & RADEON_SINGLE_CRTC) {
/* VGA - primary dac */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT1_SUPPORT,
1),
ATOM_DEVICE_CRT1_SUPPORT);
radeon_add_legacy_connector(dev, 0,
ATOM_DEVICE_CRT1_SUPPORT,
DRM_MODE_CONNECTOR_VGA,
&ddc_i2c,
CONNECTOR_OBJECT_ID_VGA,
&hpd);
} else if (rdev->flags & RADEON_IS_MOBILITY) {
/* LVDS */
ddc_i2c = combios_setup_i2c_bus(rdev, 0);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_LCD1_SUPPORT,
0),
ATOM_DEVICE_LCD1_SUPPORT);
radeon_add_legacy_connector(dev, 0,
ATOM_DEVICE_LCD1_SUPPORT,
DRM_MODE_CONNECTOR_LVDS,
&ddc_i2c,
CONNECTOR_OBJECT_ID_LVDS,
&hpd);
/* VGA - primary dac */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT1_SUPPORT,
1),
ATOM_DEVICE_CRT1_SUPPORT);
radeon_add_legacy_connector(dev, 1,
ATOM_DEVICE_CRT1_SUPPORT,
DRM_MODE_CONNECTOR_VGA,
&ddc_i2c,
CONNECTOR_OBJECT_ID_VGA,
&hpd);
} else {
/* DVI-I - tv dac, int tmds */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
hpd.hpd = RADEON_HPD_1;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_DFP1_SUPPORT,
0),
ATOM_DEVICE_DFP1_SUPPORT);
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT2_SUPPORT,
2),
ATOM_DEVICE_CRT2_SUPPORT);
radeon_add_legacy_connector(dev, 0,
ATOM_DEVICE_DFP1_SUPPORT |
ATOM_DEVICE_CRT2_SUPPORT,
DRM_MODE_CONNECTOR_DVII,
&ddc_i2c,
CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
&hpd);
/* VGA - primary dac */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT1_SUPPORT,
1),
ATOM_DEVICE_CRT1_SUPPORT);
radeon_add_legacy_connector(dev, 1,
ATOM_DEVICE_CRT1_SUPPORT,
DRM_MODE_CONNECTOR_VGA,
&ddc_i2c,
CONNECTOR_OBJECT_ID_VGA,
&hpd);
}
if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
/* TV - tv dac */
ddc_i2c.valid = false;
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_TV1_SUPPORT,
2),
ATOM_DEVICE_TV1_SUPPORT);
radeon_add_legacy_connector(dev, 2,
ATOM_DEVICE_TV1_SUPPORT,
DRM_MODE_CONNECTOR_SVIDEO,
&ddc_i2c,
CONNECTOR_OBJECT_ID_SVIDEO,
&hpd);
}
break;
case CT_IBOOK:
DRM_INFO("Connector Table: %d (ibook)\n",
rdev->mode_info.connector_table);
/* LVDS */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_LCD1_SUPPORT,
0),
ATOM_DEVICE_LCD1_SUPPORT);
radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
CONNECTOR_OBJECT_ID_LVDS,
&hpd);
/* VGA - TV DAC */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT2_SUPPORT,
2),
ATOM_DEVICE_CRT2_SUPPORT);
radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
CONNECTOR_OBJECT_ID_VGA,
&hpd);
/* TV - TV DAC */
ddc_i2c.valid = false;
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_TV1_SUPPORT,
2),
ATOM_DEVICE_TV1_SUPPORT);
radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
DRM_MODE_CONNECTOR_SVIDEO,
&ddc_i2c,
CONNECTOR_OBJECT_ID_SVIDEO,
&hpd);
break;
case CT_POWERBOOK_EXTERNAL:
DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
rdev->mode_info.connector_table);
/* LVDS */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_LCD1_SUPPORT,
0),
ATOM_DEVICE_LCD1_SUPPORT);
radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
CONNECTOR_OBJECT_ID_LVDS,
&hpd);
/* DVI-I - primary dac, ext tmds */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
hpd.hpd = RADEON_HPD_2; /* ??? */
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_DFP2_SUPPORT,
0),
ATOM_DEVICE_DFP2_SUPPORT);
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT1_SUPPORT,
1),
ATOM_DEVICE_CRT1_SUPPORT);
/* XXX some are SL */
radeon_add_legacy_connector(dev, 1,
ATOM_DEVICE_DFP2_SUPPORT |
ATOM_DEVICE_CRT1_SUPPORT,
DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
&hpd);
/* TV - TV DAC */
ddc_i2c.valid = false;
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_TV1_SUPPORT,
2),
ATOM_DEVICE_TV1_SUPPORT);
radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
DRM_MODE_CONNECTOR_SVIDEO,
&ddc_i2c,
CONNECTOR_OBJECT_ID_SVIDEO,
&hpd);
break;
case CT_POWERBOOK_INTERNAL:
DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
rdev->mode_info.connector_table);
/* LVDS */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_LCD1_SUPPORT,
0),
ATOM_DEVICE_LCD1_SUPPORT);
radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
CONNECTOR_OBJECT_ID_LVDS,
&hpd);
/* DVI-I - primary dac, int tmds */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
hpd.hpd = RADEON_HPD_1; /* ??? */
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_DFP1_SUPPORT,
0),
ATOM_DEVICE_DFP1_SUPPORT);
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT1_SUPPORT,
1),
ATOM_DEVICE_CRT1_SUPPORT);
radeon_add_legacy_connector(dev, 1,
ATOM_DEVICE_DFP1_SUPPORT |
ATOM_DEVICE_CRT1_SUPPORT,
DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
&hpd);
/* TV - TV DAC */
ddc_i2c.valid = false;
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_TV1_SUPPORT,
2),
ATOM_DEVICE_TV1_SUPPORT);
radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
DRM_MODE_CONNECTOR_SVIDEO,
&ddc_i2c,
CONNECTOR_OBJECT_ID_SVIDEO,
&hpd);
break;
case CT_POWERBOOK_VGA:
DRM_INFO("Connector Table: %d (powerbook vga)\n",
rdev->mode_info.connector_table);
/* LVDS */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_LCD1_SUPPORT,
0),
ATOM_DEVICE_LCD1_SUPPORT);
radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_LCD1_SUPPORT,
DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
CONNECTOR_OBJECT_ID_LVDS,
&hpd);
/* VGA - primary dac */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT1_SUPPORT,
1),
ATOM_DEVICE_CRT1_SUPPORT);
radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT1_SUPPORT,
DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
CONNECTOR_OBJECT_ID_VGA,
&hpd);
/* TV - TV DAC */
ddc_i2c.valid = false;
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_TV1_SUPPORT,
2),
ATOM_DEVICE_TV1_SUPPORT);
radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
DRM_MODE_CONNECTOR_SVIDEO,
&ddc_i2c,
CONNECTOR_OBJECT_ID_SVIDEO,
&hpd);
break;
case CT_MINI_EXTERNAL:
DRM_INFO("Connector Table: %d (mini external tmds)\n",
rdev->mode_info.connector_table);
/* DVI-I - tv dac, ext tmds */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
hpd.hpd = RADEON_HPD_2; /* ??? */
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_DFP2_SUPPORT,
0),
ATOM_DEVICE_DFP2_SUPPORT);
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT2_SUPPORT,
2),
ATOM_DEVICE_CRT2_SUPPORT);
/* XXX are any DL? */
radeon_add_legacy_connector(dev, 0,
ATOM_DEVICE_DFP2_SUPPORT |
ATOM_DEVICE_CRT2_SUPPORT,
DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
&hpd);
/* TV - TV DAC */
ddc_i2c.valid = false;
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_TV1_SUPPORT,
2),
ATOM_DEVICE_TV1_SUPPORT);
radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
DRM_MODE_CONNECTOR_SVIDEO,
&ddc_i2c,
CONNECTOR_OBJECT_ID_SVIDEO,
&hpd);
break;
case CT_MINI_INTERNAL:
DRM_INFO("Connector Table: %d (mini internal tmds)\n",
rdev->mode_info.connector_table);
/* DVI-I - tv dac, int tmds */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
hpd.hpd = RADEON_HPD_1; /* ??? */
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_DFP1_SUPPORT,
0),
ATOM_DEVICE_DFP1_SUPPORT);
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT2_SUPPORT,
2),
ATOM_DEVICE_CRT2_SUPPORT);
radeon_add_legacy_connector(dev, 0,
ATOM_DEVICE_DFP1_SUPPORT |
ATOM_DEVICE_CRT2_SUPPORT,
DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
&hpd);
/* TV - TV DAC */
ddc_i2c.valid = false;
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_TV1_SUPPORT,
2),
ATOM_DEVICE_TV1_SUPPORT);
radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_TV1_SUPPORT,
DRM_MODE_CONNECTOR_SVIDEO,
&ddc_i2c,
CONNECTOR_OBJECT_ID_SVIDEO,
&hpd);
break;
case CT_IMAC_G5_ISIGHT:
DRM_INFO("Connector Table: %d (imac g5 isight)\n",
rdev->mode_info.connector_table);
/* DVI-D - int tmds */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
hpd.hpd = RADEON_HPD_1; /* ??? */
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_DFP1_SUPPORT,
0),
ATOM_DEVICE_DFP1_SUPPORT);
radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_DFP1_SUPPORT,
DRM_MODE_CONNECTOR_DVID, &ddc_i2c,
CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
&hpd);
/* VGA - tv dac */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT2_SUPPORT,
2),
ATOM_DEVICE_CRT2_SUPPORT);
radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
CONNECTOR_OBJECT_ID_VGA,
&hpd);
/* TV - TV DAC */
ddc_i2c.valid = false;
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_TV1_SUPPORT,
2),
ATOM_DEVICE_TV1_SUPPORT);
radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
DRM_MODE_CONNECTOR_SVIDEO,
&ddc_i2c,
CONNECTOR_OBJECT_ID_SVIDEO,
&hpd);
break;
case CT_EMAC:
DRM_INFO("Connector Table: %d (emac)\n",
rdev->mode_info.connector_table);
/* VGA - primary dac */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT1_SUPPORT,
1),
ATOM_DEVICE_CRT1_SUPPORT);
radeon_add_legacy_connector(dev, 0, ATOM_DEVICE_CRT1_SUPPORT,
DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
CONNECTOR_OBJECT_ID_VGA,
&hpd);
/* VGA - tv dac */
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT2_SUPPORT,
2),
ATOM_DEVICE_CRT2_SUPPORT);
radeon_add_legacy_connector(dev, 1, ATOM_DEVICE_CRT2_SUPPORT,
DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
CONNECTOR_OBJECT_ID_VGA,
&hpd);
/* TV - TV DAC */
ddc_i2c.valid = false;
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_TV1_SUPPORT,
2),
ATOM_DEVICE_TV1_SUPPORT);
radeon_add_legacy_connector(dev, 2, ATOM_DEVICE_TV1_SUPPORT,
DRM_MODE_CONNECTOR_SVIDEO,
&ddc_i2c,
CONNECTOR_OBJECT_ID_SVIDEO,
&hpd);
break;
default:
DRM_INFO("Connector table: %d (invalid)\n",
rdev->mode_info.connector_table);
return false;
}
radeon_link_encoder_connector(dev);
return true;
}
static bool radeon_apply_legacy_quirks(struct drm_device *dev,
int bios_index,
enum radeon_combios_connector
*legacy_connector,
struct radeon_i2c_bus_rec *ddc_i2c,
struct radeon_hpd *hpd)
{
struct radeon_device *rdev = dev->dev_private;
/* XPRESS DDC quirks */
if ((rdev->family == CHIP_RS400 ||
rdev->family == CHIP_RS480) &&
ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
*ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
else if ((rdev->family == CHIP_RS400 ||
rdev->family == CHIP_RS480) &&
ddc_i2c->mask_clk_reg == RADEON_GPIO_MONID) {
*ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIOPAD_MASK);
ddc_i2c->mask_clk_mask = (0x20 << 8);
ddc_i2c->mask_data_mask = 0x80;
ddc_i2c->a_clk_mask = (0x20 << 8);
ddc_i2c->a_data_mask = 0x80;
ddc_i2c->en_clk_mask = (0x20 << 8);
ddc_i2c->en_data_mask = 0x80;
ddc_i2c->y_clk_mask = (0x20 << 8);
ddc_i2c->y_data_mask = 0x80;
}
/* R3xx+ chips don't have GPIO_CRT2_DDC gpio pad */
if ((rdev->family >= CHIP_R300) &&
ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
*ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
/* Certain IBM chipset RN50s have a BIOS reporting two VGAs,
one with VGA DDC and one with CRT2 DDC. - kill the CRT2 DDC one */
if (dev->pdev->device == 0x515e &&
dev->pdev->subsystem_vendor == 0x1014) {
if (*legacy_connector == CONNECTOR_CRT_LEGACY &&
ddc_i2c->mask_clk_reg == RADEON_GPIO_CRT2_DDC)
return false;
}
/* Some RV100 cards with 2 VGA ports show up with DVI+VGA */
if (dev->pdev->device == 0x5159 &&
dev->pdev->subsystem_vendor == 0x1002 &&
dev->pdev->subsystem_device == 0x013a) {
if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
*legacy_connector = CONNECTOR_CRT_LEGACY;
}
/* X300 card with extra non-existent DVI port */
if (dev->pdev->device == 0x5B60 &&
dev->pdev->subsystem_vendor == 0x17af &&
dev->pdev->subsystem_device == 0x201e && bios_index == 2) {
if (*legacy_connector == CONNECTOR_DVI_I_LEGACY)
return false;
}
return true;
}
static bool radeon_apply_legacy_tv_quirks(struct drm_device *dev)
{
/* Acer 5102 has non-existent TV port */
if (dev->pdev->device == 0x5975 &&
dev->pdev->subsystem_vendor == 0x1025 &&
dev->pdev->subsystem_device == 0x009f)
return false;
/* HP dc5750 has non-existent TV port */
if (dev->pdev->device == 0x5974 &&
dev->pdev->subsystem_vendor == 0x103c &&
dev->pdev->subsystem_device == 0x280a)
return false;
/* MSI S270 has non-existent TV port */
if (dev->pdev->device == 0x5955 &&
dev->pdev->subsystem_vendor == 0x1462 &&
dev->pdev->subsystem_device == 0x0131)
return false;
return true;
}
static uint16_t combios_check_dl_dvi(struct drm_device *dev, int is_dvi_d)
{
struct radeon_device *rdev = dev->dev_private;
uint32_t ext_tmds_info;
if (rdev->flags & RADEON_IS_IGP) {
if (is_dvi_d)
return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
else
return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
}
ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
if (ext_tmds_info) {
uint8_t rev = RBIOS8(ext_tmds_info);
uint8_t flags = RBIOS8(ext_tmds_info + 4 + 5);
if (rev >= 3) {
if (is_dvi_d)
return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
else
return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
} else {
if (flags & 1) {
if (is_dvi_d)
return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
else
return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
}
}
}
if (is_dvi_d)
return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
else
return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
}
bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
{
struct radeon_device *rdev = dev->dev_private;
uint32_t conn_info, entry, devices;
uint16_t tmp, connector_object_id;
enum radeon_combios_ddc ddc_type;
enum radeon_combios_connector connector;
int i = 0;
struct radeon_i2c_bus_rec ddc_i2c;
struct radeon_hpd hpd;
conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
if (conn_info) {
for (i = 0; i < 4; i++) {
entry = conn_info + 2 + i * 2;
if (!RBIOS16(entry))
break;
tmp = RBIOS16(entry);
connector = (tmp >> 12) & 0xf;
ddc_type = (tmp >> 8) & 0xf;
switch (ddc_type) {
case DDC_MONID:
ddc_i2c =
combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
break;
case DDC_DVI:
ddc_i2c =
combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
break;
case DDC_VGA:
ddc_i2c =
combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
break;
case DDC_CRT2:
ddc_i2c =
combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
break;
default:
break;
}
switch (connector) {
case CONNECTOR_PROPRIETARY_LEGACY:
case CONNECTOR_DVI_I_LEGACY:
case CONNECTOR_DVI_D_LEGACY:
if ((tmp >> 4) & 0x1)
hpd.hpd = RADEON_HPD_2;
else
hpd.hpd = RADEON_HPD_1;
break;
default:
hpd.hpd = RADEON_HPD_NONE;
break;
}
if (!radeon_apply_legacy_quirks(dev, i, &connector,
&ddc_i2c, &hpd))
continue;
switch (connector) {
case CONNECTOR_PROPRIETARY_LEGACY:
if ((tmp >> 4) & 0x1)
devices = ATOM_DEVICE_DFP2_SUPPORT;
else
devices = ATOM_DEVICE_DFP1_SUPPORT;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id
(dev, devices, 0),
devices);
radeon_add_legacy_connector(dev, i, devices,
legacy_connector_convert
[connector],
&ddc_i2c,
CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D,
&hpd);
break;
case CONNECTOR_CRT_LEGACY:
if (tmp & 0x1) {
devices = ATOM_DEVICE_CRT2_SUPPORT;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id
(dev,
ATOM_DEVICE_CRT2_SUPPORT,
2),
ATOM_DEVICE_CRT2_SUPPORT);
} else {
devices = ATOM_DEVICE_CRT1_SUPPORT;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id
(dev,
ATOM_DEVICE_CRT1_SUPPORT,
1),
ATOM_DEVICE_CRT1_SUPPORT);
}
radeon_add_legacy_connector(dev,
i,
devices,
legacy_connector_convert
[connector],
&ddc_i2c,
CONNECTOR_OBJECT_ID_VGA,
&hpd);
break;
case CONNECTOR_DVI_I_LEGACY:
devices = 0;
if (tmp & 0x1) {
devices |= ATOM_DEVICE_CRT2_SUPPORT;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id
(dev,
ATOM_DEVICE_CRT2_SUPPORT,
2),
ATOM_DEVICE_CRT2_SUPPORT);
} else {
devices |= ATOM_DEVICE_CRT1_SUPPORT;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id
(dev,
ATOM_DEVICE_CRT1_SUPPORT,
1),
ATOM_DEVICE_CRT1_SUPPORT);
}
if ((tmp >> 4) & 0x1) {
devices |= ATOM_DEVICE_DFP2_SUPPORT;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id
(dev,
ATOM_DEVICE_DFP2_SUPPORT,
0),
ATOM_DEVICE_DFP2_SUPPORT);
connector_object_id = combios_check_dl_dvi(dev, 0);
} else {
devices |= ATOM_DEVICE_DFP1_SUPPORT;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id
(dev,
ATOM_DEVICE_DFP1_SUPPORT,
0),
ATOM_DEVICE_DFP1_SUPPORT);
connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
}
radeon_add_legacy_connector(dev,
i,
devices,
legacy_connector_convert
[connector],
&ddc_i2c,
connector_object_id,
&hpd);
break;
case CONNECTOR_DVI_D_LEGACY:
if ((tmp >> 4) & 0x1) {
devices = ATOM_DEVICE_DFP2_SUPPORT;
connector_object_id = combios_check_dl_dvi(dev, 1);
} else {
devices = ATOM_DEVICE_DFP1_SUPPORT;
connector_object_id = CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
}
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id
(dev, devices, 0),
devices);
radeon_add_legacy_connector(dev, i, devices,
legacy_connector_convert
[connector],
&ddc_i2c,
connector_object_id,
&hpd);
break;
case CONNECTOR_CTV_LEGACY:
case CONNECTOR_STV_LEGACY:
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id
(dev,
ATOM_DEVICE_TV1_SUPPORT,
2),
ATOM_DEVICE_TV1_SUPPORT);
radeon_add_legacy_connector(dev, i,
ATOM_DEVICE_TV1_SUPPORT,
legacy_connector_convert
[connector],
&ddc_i2c,
CONNECTOR_OBJECT_ID_SVIDEO,
&hpd);
break;
default:
DRM_ERROR("Unknown connector type: %d\n",
connector);
continue;
}
}
} else {
uint16_t tmds_info =
combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
if (tmds_info) {
DRM_DEBUG("Found DFP table, assuming DVI connector\n");
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT1_SUPPORT,
1),
ATOM_DEVICE_CRT1_SUPPORT);
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_DFP1_SUPPORT,
0),
ATOM_DEVICE_DFP1_SUPPORT);
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
hpd.hpd = RADEON_HPD_1;
radeon_add_legacy_connector(dev,
0,
ATOM_DEVICE_CRT1_SUPPORT |
ATOM_DEVICE_DFP1_SUPPORT,
DRM_MODE_CONNECTOR_DVII,
&ddc_i2c,
CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
&hpd);
} else {
uint16_t crt_info =
combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
DRM_DEBUG("Found CRT table, assuming VGA connector\n");
if (crt_info) {
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_CRT1_SUPPORT,
1),
ATOM_DEVICE_CRT1_SUPPORT);
ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_connector(dev,
0,
ATOM_DEVICE_CRT1_SUPPORT,
DRM_MODE_CONNECTOR_VGA,
&ddc_i2c,
CONNECTOR_OBJECT_ID_VGA,
&hpd);
} else {
DRM_DEBUG("No connector info found\n");
return false;
}
}
}
if (rdev->flags & RADEON_IS_MOBILITY || rdev->flags & RADEON_IS_IGP) {
uint16_t lcd_info =
combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
if (lcd_info) {
uint16_t lcd_ddc_info =
combios_get_table_offset(dev,
COMBIOS_LCD_DDC_INFO_TABLE);
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id(dev,
ATOM_DEVICE_LCD1_SUPPORT,
0),
ATOM_DEVICE_LCD1_SUPPORT);
if (lcd_ddc_info) {
ddc_type = RBIOS8(lcd_ddc_info + 2);
switch (ddc_type) {
case DDC_MONID:
ddc_i2c =
combios_setup_i2c_bus
(rdev, RADEON_GPIO_MONID);
break;
case DDC_DVI:
ddc_i2c =
combios_setup_i2c_bus
(rdev, RADEON_GPIO_DVI_DDC);
break;
case DDC_VGA:
ddc_i2c =
combios_setup_i2c_bus
(rdev, RADEON_GPIO_VGA_DDC);
break;
case DDC_CRT2:
ddc_i2c =
combios_setup_i2c_bus
(rdev, RADEON_GPIO_CRT2_DDC);
break;
case DDC_LCD:
ddc_i2c =
combios_setup_i2c_bus
(rdev, RADEON_GPIOPAD_MASK);
ddc_i2c.mask_clk_mask =
RBIOS32(lcd_ddc_info + 3);
ddc_i2c.mask_data_mask =
RBIOS32(lcd_ddc_info + 7);
ddc_i2c.a_clk_mask =
RBIOS32(lcd_ddc_info + 3);
ddc_i2c.a_data_mask =
RBIOS32(lcd_ddc_info + 7);
ddc_i2c.en_clk_mask =
RBIOS32(lcd_ddc_info + 3);
ddc_i2c.en_data_mask =
RBIOS32(lcd_ddc_info + 7);
ddc_i2c.y_clk_mask =
RBIOS32(lcd_ddc_info + 3);
ddc_i2c.y_data_mask =
RBIOS32(lcd_ddc_info + 7);
break;
case DDC_GPIO:
ddc_i2c =
combios_setup_i2c_bus
(rdev, RADEON_MDGPIO_MASK);
ddc_i2c.mask_clk_mask =
RBIOS32(lcd_ddc_info + 3);
ddc_i2c.mask_data_mask =
RBIOS32(lcd_ddc_info + 7);
ddc_i2c.a_clk_mask =
RBIOS32(lcd_ddc_info + 3);
ddc_i2c.a_data_mask =
RBIOS32(lcd_ddc_info + 7);
ddc_i2c.en_clk_mask =
RBIOS32(lcd_ddc_info + 3);
ddc_i2c.en_data_mask =
RBIOS32(lcd_ddc_info + 7);
ddc_i2c.y_clk_mask =
RBIOS32(lcd_ddc_info + 3);
ddc_i2c.y_data_mask =
RBIOS32(lcd_ddc_info + 7);
break;
default:
ddc_i2c.valid = false;
break;
}
DRM_DEBUG("LCD DDC Info Table found!\n");
} else
ddc_i2c.valid = false;
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_connector(dev,
5,
ATOM_DEVICE_LCD1_SUPPORT,
DRM_MODE_CONNECTOR_LVDS,
&ddc_i2c,
CONNECTOR_OBJECT_ID_LVDS,
&hpd);
}
}
/* check TV table */
if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
uint32_t tv_info =
combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
if (tv_info) {
if (RBIOS8(tv_info + 6) == 'T') {
if (radeon_apply_legacy_tv_quirks(dev)) {
hpd.hpd = RADEON_HPD_NONE;
radeon_add_legacy_encoder(dev,
radeon_get_encoder_id
(dev,
ATOM_DEVICE_TV1_SUPPORT,
2),
ATOM_DEVICE_TV1_SUPPORT);
radeon_add_legacy_connector(dev, 6,
ATOM_DEVICE_TV1_SUPPORT,
DRM_MODE_CONNECTOR_SVIDEO,
&ddc_i2c,
CONNECTOR_OBJECT_ID_SVIDEO,
&hpd);
}
}
}
}
radeon_link_encoder_connector(dev);
return true;
}
void radeon_combios_get_power_modes(struct radeon_device *rdev)
{
struct drm_device *dev = rdev->ddev;
u16 offset, misc, misc2 = 0;
u8 rev, blocks, tmp;
int state_index = 0;
rdev->pm.default_power_state_index = -1;
if (rdev->flags & RADEON_IS_MOBILITY) {
offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
if (offset) {
rev = RBIOS8(offset);
blocks = RBIOS8(offset + 0x2);
/* power mode 0 tends to be the only valid one */
rdev->pm.power_state[state_index].num_clock_modes = 1;
rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
(rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
goto default_mode;
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_BATTERY;
misc = RBIOS16(offset + 0x5 + 0x0);
if (rev > 4)
misc2 = RBIOS16(offset + 0x5 + 0xe);
rdev->pm.power_state[state_index].misc = misc;
rdev->pm.power_state[state_index].misc2 = misc2;
if (misc & 0x4) {
rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
if (misc & 0x8)
rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
true;
else
rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
false;
rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
if (rev < 6) {
rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
RBIOS16(offset + 0x5 + 0xb) * 4;
tmp = RBIOS8(offset + 0x5 + 0xd);
rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
} else {
u8 entries = RBIOS8(offset + 0x5 + 0xb);
u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
if (entries && voltage_table_offset) {
rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
RBIOS16(voltage_table_offset) * 4;
tmp = RBIOS8(voltage_table_offset + 0x2);
rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
} else
rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
}
switch ((misc2 & 0x700) >> 8) {
case 0:
default:
rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
break;
case 1:
rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
break;
case 2:
rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
break;
case 3:
rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
break;
case 4:
rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
break;
}
} else
rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
if (rev > 6)
rdev->pm.power_state[state_index].pcie_lanes =
RBIOS8(offset + 0x5 + 0x10);
rdev->pm.power_state[state_index].flags = RADEON_PM_STATE_SINGLE_DISPLAY_ONLY;
state_index++;
} else {
/* XXX figure out some good default low power mode for mobility cards w/out power tables */
}
} else {
/* XXX figure out some good default low power mode for desktop cards */
}
default_mode:
/* add the default mode */
rdev->pm.power_state[state_index].type =
POWER_STATE_TYPE_DEFAULT;
rdev->pm.power_state[state_index].num_clock_modes = 1;
rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
rdev->pm.power_state[state_index].pcie_lanes = 16;
rdev->pm.power_state[state_index].flags = 0;
rdev->pm.default_power_state_index = state_index;
rdev->pm.num_power_states = state_index + 1;
rdev->pm.current_power_state_index = rdev->pm.default_power_state_index;
rdev->pm.current_clock_mode_index = 0;
}
void radeon_external_tmds_setup(struct drm_encoder *encoder)
{
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
if (!tmds)
return;
switch (tmds->dvo_chip) {
case DVO_SIL164:
/* sil 164 */
radeon_i2c_put_byte(tmds->i2c_bus,
tmds->slave_addr,
0x08, 0x30);
radeon_i2c_put_byte(tmds->i2c_bus,
tmds->slave_addr,
0x09, 0x00);
radeon_i2c_put_byte(tmds->i2c_bus,
tmds->slave_addr,
0x0a, 0x90);
radeon_i2c_put_byte(tmds->i2c_bus,
tmds->slave_addr,
0x0c, 0x89);
radeon_i2c_put_byte(tmds->i2c_bus,
tmds->slave_addr,
0x08, 0x3b);
break;
case DVO_SIL1178:
/* sil 1178 - untested */
/*
* 0x0f, 0x44
* 0x0f, 0x4c
* 0x0e, 0x01
* 0x0a, 0x80
* 0x09, 0x30
* 0x0c, 0xc9
* 0x0d, 0x70
* 0x08, 0x32
* 0x08, 0x33
*/
break;
default:
break;
}
}
bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
uint16_t offset;
uint8_t blocks, slave_addr, rev;
uint32_t index, id;
uint32_t reg, val, and_mask, or_mask;
struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
if (!tmds)
return false;
if (rdev->flags & RADEON_IS_IGP) {
offset = combios_get_table_offset(dev, COMBIOS_TMDS_POWER_ON_TABLE);
rev = RBIOS8(offset);
if (offset) {
rev = RBIOS8(offset);
if (rev > 1) {
blocks = RBIOS8(offset + 3);
index = offset + 4;
while (blocks > 0) {
id = RBIOS16(index);
index += 2;
switch (id >> 13) {
case 0:
reg = (id & 0x1fff) * 4;
val = RBIOS32(index);
index += 4;
WREG32(reg, val);
break;
case 2:
reg = (id & 0x1fff) * 4;
and_mask = RBIOS32(index);
index += 4;
or_mask = RBIOS32(index);
index += 4;
val = RREG32(reg);
val = (val & and_mask) | or_mask;
WREG32(reg, val);
break;
case 3:
val = RBIOS16(index);
index += 2;
udelay(val);
break;
case 4:
val = RBIOS16(index);
index += 2;
udelay(val * 1000);
break;
case 6:
slave_addr = id & 0xff;
slave_addr >>= 1; /* 7 bit addressing */
index++;
reg = RBIOS8(index);
index++;
val = RBIOS8(index);
index++;
radeon_i2c_put_byte(tmds->i2c_bus,
slave_addr,
reg, val);
break;
default:
DRM_ERROR("Unknown id %d\n", id >> 13);
break;
}
blocks--;
}
return true;
}
}
} else {
offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
if (offset) {
index = offset + 10;
id = RBIOS16(index);
while (id != 0xffff) {
index += 2;
switch (id >> 13) {
case 0:
reg = (id & 0x1fff) * 4;
val = RBIOS32(index);
WREG32(reg, val);
break;
case 2:
reg = (id & 0x1fff) * 4;
and_mask = RBIOS32(index);
index += 4;
or_mask = RBIOS32(index);
index += 4;
val = RREG32(reg);
val = (val & and_mask) | or_mask;
WREG32(reg, val);
break;
case 4:
val = RBIOS16(index);
index += 2;
udelay(val);
break;
case 5:
reg = id & 0x1fff;
and_mask = RBIOS32(index);
index += 4;
or_mask = RBIOS32(index);
index += 4;
val = RREG32_PLL(reg);
val = (val & and_mask) | or_mask;
WREG32_PLL(reg, val);
break;
case 6:
reg = id & 0x1fff;
val = RBIOS8(index);
index += 1;
radeon_i2c_put_byte(tmds->i2c_bus,
tmds->slave_addr,
reg, val);
break;
default:
DRM_ERROR("Unknown id %d\n", id >> 13);
break;
}
id = RBIOS16(index);
}
return true;
}
}
return false;
}
static void combios_parse_mmio_table(struct drm_device *dev, uint16_t offset)
{
struct radeon_device *rdev = dev->dev_private;
if (offset) {
while (RBIOS16(offset)) {
uint16_t cmd = ((RBIOS16(offset) & 0xe000) >> 13);
uint32_t addr = (RBIOS16(offset) & 0x1fff);
uint32_t val, and_mask, or_mask;
uint32_t tmp;
offset += 2;
switch (cmd) {
case 0:
val = RBIOS32(offset);
offset += 4;
WREG32(addr, val);
break;
case 1:
val = RBIOS32(offset);
offset += 4;
WREG32(addr, val);
break;
case 2:
and_mask = RBIOS32(offset);
offset += 4;
or_mask = RBIOS32(offset);
offset += 4;
tmp = RREG32(addr);
tmp &= and_mask;
tmp |= or_mask;
WREG32(addr, tmp);
break;
case 3:
and_mask = RBIOS32(offset);
offset += 4;
or_mask = RBIOS32(offset);
offset += 4;
tmp = RREG32(addr);
tmp &= and_mask;
tmp |= or_mask;
WREG32(addr, tmp);
break;
case 4:
val = RBIOS16(offset);
offset += 2;
udelay(val);
break;
case 5:
val = RBIOS16(offset);
offset += 2;
switch (addr) {
case 8:
while (val--) {
if (!
(RREG32_PLL
(RADEON_CLK_PWRMGT_CNTL) &
RADEON_MC_BUSY))
break;
}
break;
case 9:
while (val--) {
if ((RREG32(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 radeon_device *rdev = dev->dev_private;
if (offset) {
while (RBIOS8(offset)) {
uint8_t cmd = ((RBIOS8(offset) & 0xc0) >> 6);
uint8_t addr = (RBIOS8(offset) & 0x3f);
uint32_t val, shift, tmp;
uint32_t and_mask, or_mask;
offset++;
switch (cmd) {
case 0:
val = RBIOS32(offset);
offset += 4;
WREG32_PLL(addr, val);
break;
case 1:
shift = RBIOS8(offset) * 8;
offset++;
and_mask = RBIOS8(offset) << shift;
and_mask |= ~(0xff << shift);
offset++;
or_mask = RBIOS8(offset) << shift;
offset++;
tmp = RREG32_PLL(addr);
tmp &= and_mask;
tmp |= or_mask;
WREG32_PLL(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 (!
(RREG32_PLL
(RADEON_CLK_PWRMGT_CNTL) &
RADEON_MC_BUSY))
break;
}
break;
case 4:
while (tmp--) {
if (RREG32_PLL
(RADEON_CLK_PWRMGT_CNTL) &
RADEON_DLL_READY)
break;
}
break;
case 5:
tmp =
RREG32_PLL(RADEON_CLK_PWRMGT_CNTL);
if (tmp & RADEON_CG_NO1_DEBUG_0) {
#if 0
uint32_t mclk_cntl =
RREG32_PLL
(RADEON_MCLK_CNTL);
mclk_cntl &= 0xffff0000;
/*mclk_cntl |= 0x00001111;*//* ??? */
WREG32_PLL(RADEON_MCLK_CNTL,
mclk_cntl);
udelay(10000);
#endif
WREG32_PLL
(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 radeon_device *rdev = dev->dev_private;
uint32_t tmp;
if (offset) {
uint8_t val = RBIOS8(offset);
while (val != 0xff) {
offset++;
if (val == 0x0f) {
uint32_t channel_complete_mask;
if (ASIC_IS_R300(rdev))
channel_complete_mask =
R300_MEM_PWRUP_COMPLETE;
else
channel_complete_mask =
RADEON_MEM_PWRUP_COMPLETE;
tmp = 20000;
while (tmp--) {
if ((RREG32(RADEON_MEM_STR_CNTL) &
channel_complete_mask) ==
channel_complete_mask)
break;
}
} else {
uint32_t or_mask = RBIOS16(offset);
offset += 2;
tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
tmp &= RADEON_SDRAM_MODE_MASK;
tmp |= or_mask;
WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
or_mask = val << 24;
tmp = RREG32(RADEON_MEM_SDRAM_MODE_REG);
tmp &= RADEON_B3MEM_RESET_MASK;
tmp |= or_mask;
WREG32(RADEON_MEM_SDRAM_MODE_REG, tmp);
}
val = RBIOS8(offset);
}
}
}
static uint32_t combios_detect_ram(struct drm_device *dev, int ram,
int mem_addr_mapping)
{
struct radeon_device *rdev = dev->dev_private;
uint32_t mem_cntl;
uint32_t mem_size;
uint32_t addr = 0;
mem_cntl = RREG32(RADEON_MEM_CNTL);
if (mem_cntl & RV100_HALF_MODE)
ram /= 2;
mem_size = ram;
mem_cntl &= ~(0xff << 8);
mem_cntl |= (mem_addr_mapping & 0xff) << 8;
WREG32(RADEON_MEM_CNTL, mem_cntl);
RREG32(RADEON_MEM_CNTL);
/* sdram reset ? */
/* something like this???? */
while (ram--) {
addr = ram * 1024 * 1024;
/* write to each page */
WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
WREG32(RADEON_MM_DATA, 0xdeadbeef);
/* read back and verify */
WREG32(RADEON_MM_INDEX, (addr) | RADEON_MM_APER);
if (RREG32(RADEON_MM_DATA) != 0xdeadbeef)
return 0;
}
return mem_size;
}
static void combios_write_ram_size(struct drm_device *dev)
{
struct radeon_device *rdev = dev->dev_private;
uint8_t rev;
uint16_t offset;
uint32_t mem_size = 0;
uint32_t mem_cntl = 0;
/* should do something smarter here I guess... */
if (rdev->flags & RADEON_IS_IGP)
return;
/* first check detected mem table */
offset = combios_get_table_offset(dev, COMBIOS_DETECTED_MEM_TABLE);
if (offset) {
rev = RBIOS8(offset);
if (rev < 3) {
mem_cntl = RBIOS32(offset + 1);
mem_size = RBIOS16(offset + 5);
if (((rdev->flags & RADEON_FAMILY_MASK) < CHIP_R200) &&
((dev->pdev->device != 0x515e)
&& (dev->pdev->device != 0x5969)))
WREG32(RADEON_MEM_CNTL, mem_cntl);
}
}
if (!mem_size) {
offset =
combios_get_table_offset(dev, COMBIOS_MEM_CONFIG_TABLE);
if (offset) {
rev = RBIOS8(offset - 1);
if (rev < 1) {
if (((rdev->flags & RADEON_FAMILY_MASK) <
CHIP_R200)
&& ((dev->pdev->device != 0x515e)
&& (dev->pdev->device != 0x5969))) {
int ram = 0;
int mem_addr_mapping = 0;
while (RBIOS8(offset)) {
ram = RBIOS8(offset);
mem_addr_mapping =
RBIOS8(offset + 1);
if (mem_addr_mapping != 0x25)
ram *= 2;
mem_size =
combios_detect_ram(dev, ram,
mem_addr_mapping);
if (mem_size)
break;
offset += 2;
}
} else
mem_size = RBIOS8(offset);
} else {
mem_size = RBIOS8(offset);
mem_size *= 2; /* convert to MB */
}
}
}
mem_size *= (1024 * 1024); /* convert to bytes */
WREG32(RADEON_CONFIG_MEMSIZE, mem_size);
}
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)
{
struct radeon_device *rdev = dev->dev_private;
uint16_t table;
/* port hardcoded mac stuff from radeonfb */
if (rdev->bios == NULL)
return;
/* 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);
if (!(rdev->flags & RADEON_IS_IGP)) {
/* 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);
/* write CONFIG_MEMSIZE */
combios_write_ram_size(dev);
}
/* DYN CLK 1 */
table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE);
if (table)
combios_parse_pll_table(dev, table);
}
void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
{
struct radeon_device *rdev = dev->dev_private;
uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
bios_0_scratch = RREG32(RADEON_BIOS_0_SCRATCH);
bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
bios_7_scratch = RREG32(RADEON_BIOS_7_SCRATCH);
/* let the bios control the backlight */
bios_0_scratch &= ~RADEON_DRIVER_BRIGHTNESS_EN;
/* tell the bios not to handle mode switching */
bios_6_scratch |= (RADEON_DISPLAY_SWITCHING_DIS |
RADEON_ACC_MODE_CHANGE);
/* tell the bios a driver is loaded */
bios_7_scratch |= RADEON_DRV_LOADED;
WREG32(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
WREG32(RADEON_BIOS_7_SCRATCH, bios_7_scratch);
}
void radeon_combios_output_lock(struct drm_encoder *encoder, bool lock)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
uint32_t bios_6_scratch;
bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
if (lock)
bios_6_scratch |= RADEON_DRIVER_CRITICAL;
else
bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
}
void
radeon_combios_connected_scratch_regs(struct drm_connector *connector,
struct drm_encoder *encoder,
bool connected)
{
struct drm_device *dev = connector->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_connector *radeon_connector =
to_radeon_connector(connector);
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
uint32_t bios_4_scratch = RREG32(RADEON_BIOS_4_SCRATCH);
uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
if ((radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) &&
(radeon_connector->devices & ATOM_DEVICE_TV1_SUPPORT)) {
if (connected) {
DRM_DEBUG("TV1 connected\n");
/* fix me */
bios_4_scratch |= RADEON_TV1_ATTACHED_SVIDEO;
/*save->bios_4_scratch |= RADEON_TV1_ATTACHED_COMP; */
bios_5_scratch |= RADEON_TV1_ON;
bios_5_scratch |= RADEON_ACC_REQ_TV1;
} else {
DRM_DEBUG("TV1 disconnected\n");
bios_4_scratch &= ~RADEON_TV1_ATTACHED_MASK;
bios_5_scratch &= ~RADEON_TV1_ON;
bios_5_scratch &= ~RADEON_ACC_REQ_TV1;
}
}
if ((radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) &&
(radeon_connector->devices & ATOM_DEVICE_LCD1_SUPPORT)) {
if (connected) {
DRM_DEBUG("LCD1 connected\n");
bios_4_scratch |= RADEON_LCD1_ATTACHED;
bios_5_scratch |= RADEON_LCD1_ON;
bios_5_scratch |= RADEON_ACC_REQ_LCD1;
} else {
DRM_DEBUG("LCD1 disconnected\n");
bios_4_scratch &= ~RADEON_LCD1_ATTACHED;
bios_5_scratch &= ~RADEON_LCD1_ON;
bios_5_scratch &= ~RADEON_ACC_REQ_LCD1;
}
}
if ((radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) &&
(radeon_connector->devices & ATOM_DEVICE_CRT1_SUPPORT)) {
if (connected) {
DRM_DEBUG("CRT1 connected\n");
bios_4_scratch |= RADEON_CRT1_ATTACHED_COLOR;
bios_5_scratch |= RADEON_CRT1_ON;
bios_5_scratch |= RADEON_ACC_REQ_CRT1;
} else {
DRM_DEBUG("CRT1 disconnected\n");
bios_4_scratch &= ~RADEON_CRT1_ATTACHED_MASK;
bios_5_scratch &= ~RADEON_CRT1_ON;
bios_5_scratch &= ~RADEON_ACC_REQ_CRT1;
}
}
if ((radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) &&
(radeon_connector->devices & ATOM_DEVICE_CRT2_SUPPORT)) {
if (connected) {
DRM_DEBUG("CRT2 connected\n");
bios_4_scratch |= RADEON_CRT2_ATTACHED_COLOR;
bios_5_scratch |= RADEON_CRT2_ON;
bios_5_scratch |= RADEON_ACC_REQ_CRT2;
} else {
DRM_DEBUG("CRT2 disconnected\n");
bios_4_scratch &= ~RADEON_CRT2_ATTACHED_MASK;
bios_5_scratch &= ~RADEON_CRT2_ON;
bios_5_scratch &= ~RADEON_ACC_REQ_CRT2;
}
}
if ((radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) &&
(radeon_connector->devices & ATOM_DEVICE_DFP1_SUPPORT)) {
if (connected) {
DRM_DEBUG("DFP1 connected\n");
bios_4_scratch |= RADEON_DFP1_ATTACHED;
bios_5_scratch |= RADEON_DFP1_ON;
bios_5_scratch |= RADEON_ACC_REQ_DFP1;
} else {
DRM_DEBUG("DFP1 disconnected\n");
bios_4_scratch &= ~RADEON_DFP1_ATTACHED;
bios_5_scratch &= ~RADEON_DFP1_ON;
bios_5_scratch &= ~RADEON_ACC_REQ_DFP1;
}
}
if ((radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) &&
(radeon_connector->devices & ATOM_DEVICE_DFP2_SUPPORT)) {
if (connected) {
DRM_DEBUG("DFP2 connected\n");
bios_4_scratch |= RADEON_DFP2_ATTACHED;
bios_5_scratch |= RADEON_DFP2_ON;
bios_5_scratch |= RADEON_ACC_REQ_DFP2;
} else {
DRM_DEBUG("DFP2 disconnected\n");
bios_4_scratch &= ~RADEON_DFP2_ATTACHED;
bios_5_scratch &= ~RADEON_DFP2_ON;
bios_5_scratch &= ~RADEON_ACC_REQ_DFP2;
}
}
WREG32(RADEON_BIOS_4_SCRATCH, bios_4_scratch);
WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
}
void
radeon_combios_encoder_crtc_scratch_regs(struct drm_encoder *encoder, int crtc)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
uint32_t bios_5_scratch = RREG32(RADEON_BIOS_5_SCRATCH);
if (radeon_encoder->devices & ATOM_DEVICE_TV1_SUPPORT) {
bios_5_scratch &= ~RADEON_TV1_CRTC_MASK;
bios_5_scratch |= (crtc << RADEON_TV1_CRTC_SHIFT);
}
if (radeon_encoder->devices & ATOM_DEVICE_CRT1_SUPPORT) {
bios_5_scratch &= ~RADEON_CRT1_CRTC_MASK;
bios_5_scratch |= (crtc << RADEON_CRT1_CRTC_SHIFT);
}
if (radeon_encoder->devices & ATOM_DEVICE_CRT2_SUPPORT) {
bios_5_scratch &= ~RADEON_CRT2_CRTC_MASK;
bios_5_scratch |= (crtc << RADEON_CRT2_CRTC_SHIFT);
}
if (radeon_encoder->devices & ATOM_DEVICE_LCD1_SUPPORT) {
bios_5_scratch &= ~RADEON_LCD1_CRTC_MASK;
bios_5_scratch |= (crtc << RADEON_LCD1_CRTC_SHIFT);
}
if (radeon_encoder->devices & ATOM_DEVICE_DFP1_SUPPORT) {
bios_5_scratch &= ~RADEON_DFP1_CRTC_MASK;
bios_5_scratch |= (crtc << RADEON_DFP1_CRTC_SHIFT);
}
if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT) {
bios_5_scratch &= ~RADEON_DFP2_CRTC_MASK;
bios_5_scratch |= (crtc << RADEON_DFP2_CRTC_SHIFT);
}
WREG32(RADEON_BIOS_5_SCRATCH, bios_5_scratch);
}
void
radeon_combios_encoder_dpms_scratch_regs(struct drm_encoder *encoder, bool on)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
uint32_t bios_6_scratch = RREG32(RADEON_BIOS_6_SCRATCH);
if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
if (on)
bios_6_scratch |= RADEON_TV_DPMS_ON;
else
bios_6_scratch &= ~RADEON_TV_DPMS_ON;
}
if (radeon_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
if (on)
bios_6_scratch |= RADEON_CRT_DPMS_ON;
else
bios_6_scratch &= ~RADEON_CRT_DPMS_ON;
}
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
if (on)
bios_6_scratch |= RADEON_LCD_DPMS_ON;
else
bios_6_scratch &= ~RADEON_LCD_DPMS_ON;
}
if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
if (on)
bios_6_scratch |= RADEON_DFP_DPMS_ON;
else
bios_6_scratch &= ~RADEON_DFP_DPMS_ON;
}
WREG32(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
}
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