drm/linux-core/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_drv.h"
/* 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_ASIC_INIT_5_TABLE, /* offset from misc info */
COMBIOS_RAM_RESET_TABLE, /* offset from mem config */
COMBIOS_POWERPLAY_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
};
static uint16_t combios_get_table_offset(struct drm_device *dev, enum radeon_combios_table_offset table)
{
struct drm_radeon_private *dev_priv = dev->dev_private;
int rev;
uint16_t offset = 0, check_offset;
switch (table) {
/* absolute offset tables */
case COMBIOS_ASIC_INIT_1_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0xc);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_BIOS_SUPPORT_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x14);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_DAC_PROGRAMMING_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x2a);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_MAX_COLOR_DEPTH_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x2c);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_CRTC_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x2e);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_PLL_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x30);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_TV_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x32);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_DFP_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x34);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_HW_CONFIG_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x36);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_MULTIMEDIA_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x38);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_TV_STD_PATCH_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x3e);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_LCD_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x40);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_MOBILE_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x42);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_PLL_INIT_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x46);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_MEM_CONFIG_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x48);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_SAVE_MASK_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x4a);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_HARDCODED_EDID_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x4c);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_ASIC_INIT_2_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x4e);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_CONNECTOR_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x50);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_DYN_CLK_1_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x52);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_RESERVED_MEM_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x54);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_EXT_TMDS_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x58);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_MEM_CLK_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x5a);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_EXT_DAC_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x5c);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_MISC_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x5e);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_CRT_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x60);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_INTEGRATED_SYSTEM_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x62);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_COMPONENT_VIDEO_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x64);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_FAN_SPEED_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x66);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_OVERDRIVE_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x68);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_OEM_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x6a);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_DYN_CLK_2_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x6c);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_POWER_CONNECTOR_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->bios_header_start + 0x6e);
if (check_offset)
offset = check_offset;
break;
case COMBIOS_I2C_INFO_TABLE:
check_offset = radeon_bios16(dev_priv, dev_priv->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 = radeon_bios8(dev_priv, check_offset);
if (rev > 0) {
check_offset = radeon_bios16(dev_priv, 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 = radeon_bios8(dev_priv, check_offset);
if (rev > 0) {
check_offset = radeon_bios16(dev_priv, check_offset + 0x5);
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 = radeon_bios8(dev_priv, check_offset);
if (rev == 2) {
check_offset = radeon_bios16(dev_priv, 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 (radeon_bios8(dev_priv, check_offset++));
check_offset += 2;
if (check_offset)
offset = check_offset;
}
break;
case COMBIOS_POWERPLAY_TABLE: /* offset from mobile info */
check_offset = combios_get_table_offset(dev, COMBIOS_MOBILE_INFO_TABLE);
if (check_offset) {
check_offset = radeon_bios16(dev_priv, 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 = radeon_bios16(dev_priv, 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 = radeon_bios16(dev_priv, 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 = radeon_bios16(dev_priv, 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 = radeon_bios16(dev_priv, 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 = radeon_bios16(dev_priv, check_offset + 0x4);
if (check_offset)
offset = check_offset;
}
break;
default:
break;
}
return offset;
}
struct radeon_i2c_bus_rec combios_setup_i2c_bus(int ddc_line)
{
struct radeon_i2c_bus_rec i2c;
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.put_clk_mask = RADEON_GPIO_EN_1;
i2c.put_data_mask = RADEON_GPIO_EN_0;
i2c.get_clk_mask = RADEON_GPIO_Y_1;
i2c.get_data_mask = RADEON_GPIO_Y_0;
if ((ddc_line == RADEON_LCD_GPIO_MASK) ||
(ddc_line == RADEON_MDGPIO_EN_REG)) {
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.put_clk_reg = ddc_line;
i2c.put_data_reg = ddc_line;
i2c.get_clk_reg = ddc_line + 4;
i2c.get_data_reg = ddc_line + 4;
} else {
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.put_clk_reg = ddc_line;
i2c.put_data_reg = ddc_line;
i2c.get_clk_reg = ddc_line;
i2c.get_data_reg = ddc_line;
}
if (ddc_line)
i2c.valid = true;
else
i2c.valid = false;
return i2c;
}
bool radeon_combios_get_clock_info(struct drm_device *dev)
{
struct drm_radeon_private *dev_priv = dev->dev_private;
struct radeon_mode_info *mode_info = &dev_priv->mode_info;
uint16_t pll_info;
struct radeon_pll *pll = &mode_info->pll;
int8_t rev;
pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
if (pll_info) {
rev = radeon_bios8(dev_priv, pll_info);
pll->reference_freq = radeon_bios16(dev_priv, pll_info + 0xe);
pll->reference_div = radeon_bios16(dev_priv, pll_info + 0x10);
pll->pll_out_min = radeon_bios32(dev_priv, pll_info + 0x12);
pll->pll_out_max = radeon_bios32(dev_priv, pll_info + 0x16);
if (rev > 9) {
pll->pll_in_min = radeon_bios32(dev_priv, pll_info + 0x36);
pll->pll_in_max = radeon_bios32(dev_priv, pll_info + 0x3a);
} else {
pll->pll_in_min = 40;
pll->pll_in_max = 500;
}
pll->xclk = radeon_bios16(dev_priv, pll_info + 0x08);
// sclk/mclk use fixed point
//sclk = radeon_bios16(pll_info + 8) / 100.0;
//mclk = radeon_bios16(pll_info + 10) / 100.0;
//if (sclk == 0) sclk = 200;
//if (mclk == 0) mclk = 200;
return true;
}
return false;
}
bool radeon_combios_get_primary_dac_info(struct radeon_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
struct drm_radeon_private *dev_priv = dev->dev_private;
uint16_t dac_info;
uint8_t rev, bg, dac;
/* check CRT table */
dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
if (dac_info) {
rev = radeon_bios8(dev_priv, dac_info) & 0x3;
if (rev < 2) {
bg = radeon_bios8(dev_priv, dac_info + 0x2) & 0xf;
dac = (radeon_bios8(dev_priv, dac_info + 0x2) >> 4) & 0xf;
encoder->ps2_pdac_adj = (bg << 8) | (dac);
return true;
} else {
bg = radeon_bios8(dev_priv, dac_info + 0x2) & 0xf;
dac = radeon_bios8(dev_priv, dac_info + 0x3) & 0xf;
encoder->ps2_pdac_adj = (bg << 8) | (dac);
return true;
}
}
return false;
}
bool radeon_combios_get_tv_dac_info(struct radeon_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
struct drm_radeon_private *dev_priv = dev->dev_private;
uint16_t dac_info;
uint8_t rev, bg, dac;
/* first check TV table */
dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
if (dac_info) {
rev = radeon_bios8(dev_priv, dac_info + 0x3);
if (rev > 4) {
bg = radeon_bios8(dev_priv, dac_info + 0xc) & 0xf;
dac = radeon_bios8(dev_priv, dac_info + 0xd) & 0xf;
encoder->ps2_tvdac_adj = (bg << 16) | (dac << 20);
bg = radeon_bios8(dev_priv, dac_info + 0xe) & 0xf;
dac = radeon_bios8(dev_priv, dac_info + 0xf) & 0xf;
encoder->pal_tvdac_adj = (bg << 16) | (dac << 20);
bg = radeon_bios8(dev_priv, dac_info + 0x10) & 0xf;
dac = radeon_bios8(dev_priv, dac_info + 0x11) & 0xf;
encoder->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
return true;
} else if (rev > 1) {
bg = radeon_bios8(dev_priv, dac_info + 0xc) & 0xf;
dac = (radeon_bios8(dev_priv, dac_info + 0xc) >> 4) & 0xf;
encoder->ps2_tvdac_adj = (bg << 16) | (dac << 20);
bg = radeon_bios8(dev_priv, dac_info + 0xd) & 0xf;
dac = (radeon_bios8(dev_priv, dac_info + 0xd) >> 4) & 0xf;
encoder->pal_tvdac_adj = (bg << 16) | (dac << 20);
bg = radeon_bios8(dev_priv, dac_info + 0xe) & 0xf;
dac = (radeon_bios8(dev_priv, dac_info + 0xe) >> 4) & 0xf;
encoder->ntsc_tvdac_adj = (bg << 16) | (dac << 20);
return true;
}
}
/* then check CRT table */
dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
if (dac_info) {
rev = radeon_bios8(dev_priv, dac_info) & 0x3;
if (rev < 2) {
bg = radeon_bios8(dev_priv, dac_info + 0x3) & 0xf;
dac = (radeon_bios8(dev_priv, dac_info + 0x3) >> 4) & 0xf;
encoder->ps2_tvdac_adj = (bg << 16) | (dac << 20);
encoder->pal_tvdac_adj = encoder->ps2_tvdac_adj;
encoder->ntsc_tvdac_adj = encoder->ps2_tvdac_adj;
return true;
} else {
bg = radeon_bios8(dev_priv, dac_info + 0x4) & 0xf;
dac = radeon_bios8(dev_priv, dac_info + 0x5) & 0xf;
encoder->ps2_tvdac_adj = (bg << 16) | (dac << 20);
encoder->pal_tvdac_adj = encoder->ps2_tvdac_adj;
encoder->ntsc_tvdac_adj = encoder->ps2_tvdac_adj;
return true;
}
}
return false;
}
bool radeon_combios_get_tv_info(struct radeon_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
struct drm_radeon_private *dev_priv = dev->dev_private;
uint16_t tv_info;
tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
if (tv_info) {
if (radeon_bios8(dev_priv, tv_info + 6) == 'T') {
switch (radeon_bios8(dev_priv, tv_info + 7) & 0xf) {
case 1:
encoder->tv_std = TV_STD_NTSC;
DRM_INFO("Default TV standard: NTSC\n");
break;
case 2:
encoder->tv_std = TV_STD_PAL;
DRM_INFO("Default TV standard: PAL\n");
break;
case 3:
encoder->tv_std = TV_STD_PAL_M;
DRM_INFO("Default TV standard: PAL-M\n");
break;
case 4:
encoder->tv_std = TV_STD_PAL_60;
DRM_INFO("Default TV standard: PAL-60\n");
break;
case 5:
encoder->tv_std = TV_STD_NTSC_J;
DRM_INFO("Default TV standard: NTSC-J\n");
break;
case 6:
encoder->tv_std = TV_STD_SCART_PAL;
DRM_INFO("Default TV standard: SCART-PAL\n");
break;
default:
encoder->tv_std = TV_STD_NTSC;
DRM_INFO("Unknown TV standard; defaulting to NTSC\n");
break;
}
switch ((radeon_bios8(dev_priv, 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 true;
}
}
return false;
}
bool radeon_combios_get_lvds_info(struct radeon_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
struct drm_radeon_private *dev_priv = dev->dev_private;
uint16_t lcd_info;
uint32_t panel_setup;
char stmp[30];
int tmp, i;
lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
if (lcd_info) {
for (i = 0; i < 24; i++)
stmp[i] = radeon_bios8(dev_priv, lcd_info + i + 1);
stmp[24] = 0;
DRM_INFO("Panel ID String: %s\n", stmp);
encoder->panel_xres = radeon_bios16(dev_priv, lcd_info + 25);
encoder->panel_yres = radeon_bios16(dev_priv, lcd_info + 27);
DRM_INFO("Panel Size %dx%d\n", encoder->panel_xres, encoder->panel_yres);
encoder->panel_vcc_delay = radeon_bios16(dev_priv, lcd_info + 44);
if (encoder->panel_vcc_delay > 2000 || encoder->panel_vcc_delay < 0)
encoder->panel_vcc_delay = 2000;
encoder->panel_pwr_delay = radeon_bios16(dev_priv, lcd_info + 0x24);
encoder->panel_digon_delay = radeon_bios16(dev_priv, lcd_info + 0x38) & 0xf;
encoder->panel_blon_delay = (radeon_bios16(dev_priv, lcd_info + 0x38) >> 4) & 0xf;
encoder->panel_ref_divider = radeon_bios16(dev_priv, lcd_info + 46);
encoder->panel_post_divider = radeon_bios8(dev_priv, lcd_info + 48);
encoder->panel_fb_divider = radeon_bios16(dev_priv, lcd_info + 49);
if ((encoder->panel_ref_divider != 0) &&
(encoder->panel_fb_divider > 3))
encoder->use_bios_dividers = true;
panel_setup = radeon_bios32(dev_priv, lcd_info + 0x39);
2008-09-17 16:16:25 -06:00
encoder->lvds_gen_cntl = 0xff00;
if (panel_setup & 0x1)
encoder->lvds_gen_cntl |= RADEON_LVDS_PANEL_FORMAT;
if ((panel_setup >> 4) & 0x1)
encoder->lvds_gen_cntl |= RADEON_LVDS_PANEL_TYPE;
2008-09-17 16:16:25 -06:00
switch ((panel_setup >> 8) & 0x7) {
case 0:
encoder->lvds_gen_cntl |= RADEON_LVDS_NO_FM;
break;
case 1:
encoder->lvds_gen_cntl |= RADEON_LVDS_2_GREY;
break;
case 2:
encoder->lvds_gen_cntl |= RADEON_LVDS_4_GREY;
break;
default:
break;
}
if ((panel_setup >> 16) & 0x1)
encoder->lvds_gen_cntl |= RADEON_LVDS_FP_POL_LOW;
if ((panel_setup >> 17) & 0x1)
encoder->lvds_gen_cntl |= RADEON_LVDS_LP_POL_LOW;
if ((panel_setup >> 18) & 0x1)
encoder->lvds_gen_cntl |= RADEON_LVDS_DTM_POL_LOW;
if ((panel_setup >> 23) & 0x1)
encoder->lvds_gen_cntl |= RADEON_LVDS_BL_CLK_SEL;
encoder->lvds_gen_cntl |= (panel_setup & 0xf0000000);
for (i = 0; i < 32; i++) {
tmp = radeon_bios16(dev_priv, lcd_info + 64 + i * 2);
if (tmp == 0) break;
if ((radeon_bios16(dev_priv, tmp) == encoder->panel_xres) &&
(radeon_bios16(dev_priv, tmp + 2) == encoder->panel_yres)) {
encoder->hblank = (radeon_bios16(dev_priv, tmp + 17) -
radeon_bios16(dev_priv, tmp + 19)) * 8;
encoder->hoverplus = (radeon_bios16(dev_priv, tmp + 21) -
radeon_bios16(dev_priv, tmp + 19) - 1) * 8;
encoder->hsync_width = radeon_bios8(dev_priv, tmp + 23) * 8;
encoder->vblank = (radeon_bios16(dev_priv, tmp + 24) -
radeon_bios16(dev_priv, tmp + 26));
encoder->voverplus = ((radeon_bios16(dev_priv, tmp + 28) & 0x7fff) -
radeon_bios16(dev_priv, tmp + 26));
encoder->vsync_width = ((radeon_bios16(dev_priv, tmp + 28) & 0xf800) >> 11);
encoder->dotclock = radeon_bios16(dev_priv, tmp + 9) * 10;
encoder->flags = 0;
}
}
return true;
}
DRM_INFO("No panel info found in BIOS\n");
return false;
}
bool radeon_combios_get_tmds_info(struct radeon_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
struct drm_radeon_private *dev_priv = 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 = radeon_bios8(dev_priv, tmds_info);
DRM_INFO("DFP table revision: %d\n", ver);
if (ver == 3) {
n = radeon_bios8(dev_priv, tmds_info + 5) + 1;
if (n > 4)
n = 4;
for (i = 0; i < n; i++) {
encoder->tmds_pll[i].value = radeon_bios32(dev_priv, tmds_info + i * 10 + 0x08);
encoder->tmds_pll[i].freq = radeon_bios16(dev_priv, tmds_info + i * 10 + 0x10);
}
return true;
} else if (ver == 4) {
int stride = 0;
n = radeon_bios8(dev_priv, tmds_info + 5) + 1;
if (n > 4)
n = 4;
for (i = 0; i < n; i++) {
encoder->tmds_pll[i].value = radeon_bios32(dev_priv, tmds_info + stride + 0x08);
encoder->tmds_pll[i].freq = radeon_bios16(dev_priv, tmds_info + stride + 0x10);
if (i == 0)
stride += 10;
else
stride += 6;
}
return true;
}
}
DRM_INFO("No TMDS info found in BIOS\n");
return false;
}
2008-09-17 18:16:41 -06:00
void radeon_combios_get_ext_tmds_info(struct radeon_encoder *encoder)
{
struct drm_device *dev = encoder->base.dev;
struct drm_radeon_private *dev_priv = dev->dev_private;
uint16_t ext_tmds_info;
uint8_t ver;
ext_tmds_info = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
if (ext_tmds_info) {
ver = radeon_bios8(dev_priv, ext_tmds_info);
DRM_INFO("External TMDS Table revision: %d\n", ver);
// TODO
}
}
static void radeon_apply_legacy_quirks(struct drm_device *dev, int bios_index)
{
struct drm_radeon_private *dev_priv = dev->dev_private;
struct radeon_mode_info *mode_info = &dev_priv->mode_info;
2008-08-12 13:33:20 -06:00
/* XPRESS DDC quirks */
if ((dev_priv->chip_family == CHIP_RS400 ||
dev_priv->chip_family == CHIP_RS480) &&
mode_info->bios_connector[bios_index].ddc_i2c.mask_clk_reg == RADEON_GPIO_CRT2_DDC) {
mode_info->bios_connector[bios_index].ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_MONID);
2008-08-12 13:33:20 -06:00
} else if ((dev_priv->chip_family == CHIP_RS400 ||
dev_priv->chip_family == CHIP_RS480) &&
mode_info->bios_connector[bios_index].ddc_i2c.mask_clk_reg == RADEON_GPIO_MONID) {
mode_info->bios_connector[bios_index].ddc_i2c.valid = true;
mode_info->bios_connector[bios_index].ddc_i2c.mask_clk_mask = (0x20 << 8);
mode_info->bios_connector[bios_index].ddc_i2c.mask_data_mask = 0x80;
mode_info->bios_connector[bios_index].ddc_i2c.a_clk_mask = (0x20 << 8);
mode_info->bios_connector[bios_index].ddc_i2c.a_data_mask = 0x80;
mode_info->bios_connector[bios_index].ddc_i2c.put_clk_mask = (0x20 << 8);
mode_info->bios_connector[bios_index].ddc_i2c.put_data_mask = 0x80;
mode_info->bios_connector[bios_index].ddc_i2c.get_clk_mask = (0x20 << 8);
mode_info->bios_connector[bios_index].ddc_i2c.get_data_mask = 0x80;
mode_info->bios_connector[bios_index].ddc_i2c.mask_clk_reg = RADEON_GPIOPAD_MASK;
mode_info->bios_connector[bios_index].ddc_i2c.mask_data_reg = RADEON_GPIOPAD_MASK;
mode_info->bios_connector[bios_index].ddc_i2c.a_clk_reg = RADEON_GPIOPAD_A;
mode_info->bios_connector[bios_index].ddc_i2c.a_data_reg = RADEON_GPIOPAD_A;
mode_info->bios_connector[bios_index].ddc_i2c.put_clk_reg = RADEON_GPIOPAD_EN;
mode_info->bios_connector[bios_index].ddc_i2c.put_data_reg = RADEON_GPIOPAD_EN;
mode_info->bios_connector[bios_index].ddc_i2c.get_clk_reg = RADEON_LCD_GPIO_Y_REG;
mode_info->bios_connector[bios_index].ddc_i2c.get_data_reg = RADEON_LCD_GPIO_Y_REG;
}
/* 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 (mode_info->bios_connector[bios_index].connector_type == CONNECTOR_VGA &&
mode_info->bios_connector[bios_index].ddc_i2c.mask_clk_reg == RADEON_GPIO_CRT2_DDC) {
mode_info->bios_connector[bios_index].valid = 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 (mode_info->bios_connector[bios_index].connector_type == CONNECTOR_DVI_I)
mode_info->bios_connector[bios_index].connector_type = CONNECTOR_VGA;
}
2008-08-12 13:33:20 -06:00
/* 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 (mode_info->bios_connector[bios_index].connector_type == CONNECTOR_DVI_I)
mode_info->bios_connector[bios_index].valid = false;
}
}
bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
{
struct drm_radeon_private *dev_priv = dev->dev_private;
struct radeon_mode_info *mode_info = &dev_priv->mode_info;
uint32_t conn_info, entry;
uint16_t tmp;
enum radeon_combios_ddc ddc_type;
enum radeon_combios_connector connector_type;
int i;
DRM_DEBUG("\n");
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 (!radeon_bios16(dev_priv, entry))
break;
mode_info->bios_connector[i].valid = true;
tmp = radeon_bios16(dev_priv, entry);
connector_type = (tmp >> 12) & 0xf;
mode_info->bios_connector[i].connector_type = connector_type;
switch(connector_type) {
case CONNECTOR_PROPRIETARY_LEGACY:
mode_info->bios_connector[i].connector_type = CONNECTOR_DVI_D;
break;
case CONNECTOR_CRT_LEGACY:
mode_info->bios_connector[i].connector_type = CONNECTOR_VGA;
break;
case CONNECTOR_DVI_I_LEGACY:
mode_info->bios_connector[i].connector_type = CONNECTOR_DVI_I;
break;
case CONNECTOR_DVI_D_LEGACY:
mode_info->bios_connector[i].connector_type = CONNECTOR_DVI_D;
break;
case CONNECTOR_CTV_LEGACY:
mode_info->bios_connector[i].connector_type = CONNECTOR_CTV;
break;
case CONNECTOR_STV_LEGACY:
mode_info->bios_connector[i].connector_type = CONNECTOR_STV;
break;
default:
DRM_ERROR("Unknown connector type: %d\n", connector_type);
mode_info->bios_connector[i].valid = false;
break;
}
mode_info->bios_connector[i].ddc_i2c.valid = false;
ddc_type = (tmp >> 8) & 0xf;
switch (ddc_type) {
case DDC_MONID:
mode_info->bios_connector[i].ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_MONID);
break;
case DDC_DVI:
mode_info->bios_connector[i].ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
break;
case DDC_VGA:
mode_info->bios_connector[i].ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
break;
case DDC_CRT2:
mode_info->bios_connector[i].ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
break;
default:
break;
}
if (tmp & 0x1)
mode_info->bios_connector[i].dac_type = DAC_TVDAC;
else
mode_info->bios_connector[i].dac_type = DAC_PRIMARY;
if ((dev_priv->chip_family == CHIP_RS300) ||
(dev_priv->chip_family == CHIP_RS400) ||
(dev_priv->chip_family == CHIP_RS480))
mode_info->bios_connector[i].dac_type = DAC_TVDAC;
if ((tmp >> 4) & 0x1)
mode_info->bios_connector[i].tmds_type = TMDS_EXT;
else
mode_info->bios_connector[i].tmds_type = TMDS_INT;
radeon_apply_legacy_quirks(dev, i);
}
} 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");
mode_info->bios_connector[0].valid = true;
mode_info->bios_connector[0].connector_type = CONNECTOR_DVI_I;
mode_info->bios_connector[0].dac_type = DAC_PRIMARY;
mode_info->bios_connector[0].tmds_type = TMDS_INT;
mode_info->bios_connector[0].ddc_i2c = combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
} else {
DRM_DEBUG("No connector info found\n");
return false;
}
}
if (dev_priv->flags & RADEON_IS_MOBILITY ||
dev_priv->chip_family == CHIP_RS400 ||
dev_priv->chip_family == CHIP_RS480) {
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);
mode_info->bios_connector[4].valid = true;
mode_info->bios_connector[4].connector_type = CONNECTOR_LVDS;
mode_info->bios_connector[4].dac_type = DAC_NONE;
mode_info->bios_connector[4].tmds_type = TMDS_NONE;
mode_info->bios_connector[4].ddc_i2c.valid = false;
if (lcd_ddc_info) {
ddc_type = radeon_bios8(dev_priv, lcd_ddc_info + 2);
switch(ddc_type) {
case DDC_MONID:
mode_info->bios_connector[4].ddc_i2c =
combios_setup_i2c_bus(RADEON_GPIO_MONID);
break;
case DDC_DVI:
mode_info->bios_connector[4].ddc_i2c =
combios_setup_i2c_bus(RADEON_GPIO_DVI_DDC);
break;
case DDC_VGA:
mode_info->bios_connector[4].ddc_i2c =
combios_setup_i2c_bus(RADEON_GPIO_VGA_DDC);
break;
case DDC_CRT2:
mode_info->bios_connector[4].ddc_i2c =
combios_setup_i2c_bus(RADEON_GPIO_CRT2_DDC);
break;
case DDC_LCD:
mode_info->bios_connector[4].ddc_i2c =
combios_setup_i2c_bus(RADEON_LCD_GPIO_MASK);
mode_info->bios_connector[4].ddc_i2c.mask_clk_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 3);
mode_info->bios_connector[4].ddc_i2c.mask_data_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 7);
mode_info->bios_connector[4].ddc_i2c.a_clk_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 3);
mode_info->bios_connector[4].ddc_i2c.a_data_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 7);
mode_info->bios_connector[4].ddc_i2c.put_clk_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 3);
mode_info->bios_connector[4].ddc_i2c.put_data_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 7);
mode_info->bios_connector[4].ddc_i2c.get_clk_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 3);
mode_info->bios_connector[4].ddc_i2c.get_data_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 7);
break;
case DDC_GPIO:
mode_info->bios_connector[4].ddc_i2c =
combios_setup_i2c_bus(RADEON_MDGPIO_EN_REG);
mode_info->bios_connector[4].ddc_i2c.mask_clk_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 3);
mode_info->bios_connector[4].ddc_i2c.mask_data_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 7);
mode_info->bios_connector[4].ddc_i2c.a_clk_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 3);
mode_info->bios_connector[4].ddc_i2c.a_data_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 7);
mode_info->bios_connector[4].ddc_i2c.put_clk_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 3);
mode_info->bios_connector[4].ddc_i2c.put_data_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 7);
mode_info->bios_connector[4].ddc_i2c.get_clk_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 3);
mode_info->bios_connector[4].ddc_i2c.get_data_mask =
radeon_bios32(dev_priv, lcd_ddc_info + 7);
break;
default:
break;
}
DRM_DEBUG("LCD DDC Info Table found!\n");
}
} else
mode_info->bios_connector[4].ddc_i2c.valid = false;
}
/* check TV table */
if (dev_priv->chip_family != CHIP_R100 &&
dev_priv->chip_family != CHIP_R200) {
uint32_t tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
if (tv_info) {
if (radeon_bios8(dev_priv, tv_info + 6) == 'T') {
mode_info->bios_connector[5].valid = true;
mode_info->bios_connector[5].connector_type = CONNECTOR_DIN;
mode_info->bios_connector[5].dac_type = DAC_TVDAC;
mode_info->bios_connector[5].tmds_type = TMDS_NONE;
mode_info->bios_connector[5].ddc_i2c.valid = false;
}
}
}
DRM_DEBUG("BIOS Connector table\n");
for (i = 0; i < ATOM_MAX_SUPPORTED_DEVICE; i++) {
if (!mode_info->bios_connector[i].valid)
continue;
DRM_DEBUG("Port %d: ddc_type 0x%x, dac_type %d, tmds_type %d, connector type %d, hpd_mask %d\n",
i, mode_info->bios_connector[i].ddc_i2c.mask_clk_reg,
mode_info->bios_connector[i].dac_type,
mode_info->bios_connector[i].tmds_type,
mode_info->bios_connector[i].connector_type,
mode_info->bios_connector[i].hpd_mask);
}
return true;
}
2008-08-12 18:18:07 -06:00
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);
}
void radeon_combios_initialize_bios_scratch_regs(struct drm_device *dev)
{
struct drm_radeon_private *dev_priv = dev->dev_private;
uint32_t bios_0_scratch, bios_6_scratch, bios_7_scratch;
bios_0_scratch = RADEON_READ(RADEON_BIOS_0_SCRATCH);
bios_6_scratch = RADEON_READ(RADEON_BIOS_6_SCRATCH);
//bios_7_scratch = RADEON_READ(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;
RADEON_WRITE(RADEON_BIOS_0_SCRATCH, bios_0_scratch);
RADEON_WRITE(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
//RADEON_WRITE(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 drm_radeon_private *dev_priv = dev->dev_private;
uint32_t bios_6_scratch;
bios_6_scratch = RADEON_READ(RADEON_BIOS_6_SCRATCH);
if (lock)
bios_6_scratch |= RADEON_DRIVER_CRITICAL;
else
bios_6_scratch &= ~RADEON_DRIVER_CRITICAL;
RADEON_WRITE(RADEON_BIOS_6_SCRATCH, bios_6_scratch);
}