radeon_combios.c 84.6 KB
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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,
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			    struct radeon_i2c_bus_rec *i2c_bus,
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			    uint16_t connector_object_id,
			    struct radeon_hpd *hpd);
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/* 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;

	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;

}

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static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
						       int ddc_line)
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{
	struct radeon_i2c_bus_rec i2c;

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	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;
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	} else {
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		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;

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		i2c.mask_clk_reg = ddc_line;
		i2c.mask_data_reg = ddc_line;
		i2c.a_clk_reg = ddc_line;
		i2c.a_data_reg = ddc_line;
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		i2c.en_clk_reg = ddc_line;
		i2c.en_data_reg = ddc_line;
		i2c.y_clk_reg = ddc_line;
		i2c.y_data_reg = ddc_line;
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	}

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Alex Deucher committed
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	if (rdev->family < CHIP_R200)
		i2c.hw_capable = false;
	else {
		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;
		}
	}
	i2c.mm_i2c = false;
	i2c.i2c_id = 0;

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	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;

	if (rdev->bios == NULL)
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		return false;
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	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);

		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;
}

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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;
}

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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;
}

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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;
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	int found = 0;
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	p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac),
			GFP_KERNEL);

	if (!p_dac)
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		return NULL;

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	if (rdev->bios == NULL)
		goto out;

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	/* 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);
		}
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		found = 1;
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	}

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out:
	if (!found) /* fallback to defaults */
		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);

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	return p_dac;
}

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enum radeon_tv_std
radeon_combios_get_tv_info(struct radeon_device *rdev)
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{
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	struct drm_device *dev = rdev->ddev;
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	uint16_t tv_info;
	enum radeon_tv_std tv_std = TV_STD_NTSC;

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	if (rdev->bios == NULL)
		return tv_std;

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	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 */
};

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static void radeon_legacy_get_tv_dac_info_from_table(struct radeon_device *rdev,
						     struct radeon_encoder_tv_dac *tv_dac)
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{
	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;
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	return;
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}

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;
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	int found = 0;

	tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
	if (!tv_dac)
		return NULL;
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	if (rdev->bios == NULL)
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		goto out;
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	/* 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);
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			found = 1;
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		} 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);
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		}
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		tv_dac->tv_std = radeon_combios_get_tv_info(rdev);
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	}
	if (!found) {
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		/* 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;
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				found = 1;
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			} 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;
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				found = 1;
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			}
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		} else {
			DRM_INFO("No TV DAC info found in BIOS\n");
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		}
	}

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out:
	if (!found) /* fallback to defaults */
		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);

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	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;
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	uint32_t lvds_ss_gen_cntl = RREG32(RADEON_LVDS_SS_GEN_CNTL);
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	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);

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	/* 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;

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	if (fp_vert_stretch & RADEON_VERT_STRETCH_ENABLE)
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		lvds->native_mode.vdisplay =
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		    ((fp_vert_stretch & RADEON_VERT_PANEL_SIZE) >>
		     RADEON_VERT_PANEL_SHIFT) + 1;
	else
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		lvds->native_mode.vdisplay =
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		    (RREG32(RADEON_CRTC_V_TOTAL_DISP) >> 16) + 1;

	if (fp_horz_stretch & RADEON_HORZ_STRETCH_ENABLE)
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		lvds->native_mode.hdisplay =
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		    (((fp_horz_stretch & RADEON_HORZ_PANEL_SIZE) >>
		      RADEON_HORZ_PANEL_SHIFT) + 1) * 8;
	else
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		lvds->native_mode.hdisplay =
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		    ((RREG32(RADEON_CRTC_H_TOTAL_DISP) >> 16) + 1) * 8;

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	if ((lvds->native_mode.hdisplay < 640) ||
	    (lvds->native_mode.vdisplay < 480)) {
		lvds->native_mode.hdisplay = 640;
		lvds->native_mode.vdisplay = 480;
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	}

	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");
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	DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
		 lvds->native_mode.vdisplay);
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	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;

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	if (rdev->bios == NULL) {
		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
		goto out;
	}
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	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);

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		lvds->native_mode.hdisplay = RBIOS16(lcd_info + 0x19);
		lvds->native_mode.vdisplay = RBIOS16(lcd_info + 0x1b);
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		DRM_INFO("Panel Size %dx%d\n", lvds->native_mode.hdisplay,
			 lvds->native_mode.vdisplay);
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		lvds->panel_vcc_delay = RBIOS16(lcd_info + 0x2c);
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		lvds->panel_vcc_delay = min_t(u16, lvds->panel_vcc_delay, 2000);
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		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;

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			if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) &&
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			    (RBIOS16(tmp + 2) ==
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			     lvds->native_mode.vdisplay)) {
				lvds->native_mode.htotal = RBIOS16(tmp + 17) * 8;
				lvds->native_mode.hsync_start = RBIOS16(tmp + 21) * 8;
				lvds->native_mode.hsync_end = (RBIOS8(tmp + 23) +
							       RBIOS16(tmp + 21)) * 8;

				lvds->native_mode.vtotal = RBIOS16(tmp + 24);
				lvds->native_mode.vsync_start = RBIOS16(tmp + 28) & 0x7ff;
				lvds->native_mode.vsync_end =
					((RBIOS16(tmp + 28) & 0xf800) >> 11) +
					(RBIOS16(tmp + 28) & 0x7ff);

				lvds->native_mode.clock = RBIOS16(tmp + 9) * 10;
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				lvds->native_mode.flags = 0;
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				/* set crtc values */
				drm_mode_set_crtcinfo(&lvds->native_mode, CRTC_INTERLACE_HALVE_V);

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			}
		}
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	} else {
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		DRM_INFO("No panel info found in BIOS\n");
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		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
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	}
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out:
	if (lvds)
		encoder->native_mode = lvds->native_mode;
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	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 */
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	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS400 */
	{ {0, 0}, {0, 0}, {0, 0}, {0, 0} },	/* CHIP_RS480 */
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};

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bool radeon_legacy_get_tmds_info_from_table(struct radeon_encoder *encoder,
					    struct radeon_encoder_int_tmds *tmds)
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{
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	struct drm_device *dev = encoder->base.dev;
	struct radeon_device *rdev = dev->dev_private;
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	int i;

	for (i = 0; i < 4; i++) {
		tmds->tmds_pll[i].value =
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			default_tmds_pll[rdev->family][i].value;
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		tmds->tmds_pll[i].freq = default_tmds_pll[rdev->family][i].freq;
	}

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	return true;
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}

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bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
					      struct radeon_encoder_int_tmds *tmds)
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{
	struct drm_device *dev = encoder->base.dev;
	struct radeon_device *rdev = dev->dev_private;
	uint16_t tmds_info;
	int i, n;
	uint8_t ver;

	if (rdev->bios == NULL)
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		return false;
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	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);
			}
		}
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	} else {
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		DRM_INFO("No TMDS info found in BIOS\n");
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		return false;
	}
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	return true;
}

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bool radeon_legacy_get_ext_tmds_info_from_table(struct radeon_encoder *encoder,
						struct radeon_encoder_ext_tmds *tmds)
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{
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	struct drm_device *dev = encoder->base.dev;
	struct radeon_device *rdev = dev->dev_private;
	struct radeon_i2c_bus_rec i2c_bus;
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	/* default for macs */
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	i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
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	tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
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	/* 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;
	}
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	return true;
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}

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bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder,
						  struct radeon_encoder_ext_tmds *tmds)
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{
	struct drm_device *dev = encoder->base.dev;
	struct radeon_device *rdev = dev->dev_private;
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	uint16_t offset;
	uint8_t ver, id, blocks, clk, data;
	int i;
	enum radeon_combios_ddc gpio;
	struct radeon_i2c_bus_rec i2c_bus;
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	if (rdev->bios == NULL)
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		return false;
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	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:
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				i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
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				tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
				break;
			case DDC_DVI:
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				i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
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				tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
				break;
			case DDC_VGA:
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				i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
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				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)
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					i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_MONID);
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				else
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					i2c_bus = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
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				tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
				break;
			case DDC_LCD: /* MM i2c */
				DRM_ERROR("MM i2c requires hw i2c engine\n");
				break;
			default:
				DRM_ERROR("Unsupported gpio %d\n", gpio);
				break;
			}
		}
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	}
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	if (!tmds->i2c_bus) {
		DRM_INFO("No valid Ext TMDS info found in BIOS\n");
		return false;
	}

	return true;
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}

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;
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	struct radeon_hpd hpd;
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	rdev->mode_info.connector_table = radeon_connector_table;
	if (rdev->mode_info.connector_table == CT_NONE) {
#ifdef CONFIG_PPC_PMAC
		if (machine_is_compatible("PowerBook3,3")) {
			/* powerbook with VGA */
			rdev->mode_info.connector_table = CT_POWERBOOK_VGA;
		} else if (machine_is_compatible("PowerBook3,4") ||
			   machine_is_compatible("PowerBook3,5")) {
			/* powerbook with internal tmds */
			rdev->mode_info.connector_table = CT_POWERBOOK_INTERNAL;
		} else if (machine_is_compatible("PowerBook5,1") ||
			   machine_is_compatible("PowerBook5,2") ||
			   machine_is_compatible("PowerBook5,3") ||
			   machine_is_compatible("PowerBook5,4") ||
			   machine_is_compatible("PowerBook5,5")) {
			/* powerbook with external single link tmds (sil164) */
			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
		} else if (machine_is_compatible("PowerBook5,6")) {
			/* powerbook with external dual or single link tmds */
			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
		} else if (machine_is_compatible("PowerBook5,7") ||
			   machine_is_compatible("PowerBook5,8") ||
			   machine_is_compatible("PowerBook5,9")) {
			/* PowerBook6,2 ? */
			/* powerbook with external dual link tmds (sil1178?) */
			rdev->mode_info.connector_table = CT_POWERBOOK_EXTERNAL;
		} else if (machine_is_compatible("PowerBook4,1") ||
			   machine_is_compatible("PowerBook4,2") ||
			   machine_is_compatible("PowerBook4,3") ||
			   machine_is_compatible("PowerBook6,3") ||
			   machine_is_compatible("PowerBook6,5") ||
			   machine_is_compatible("PowerBook6,7")) {
			/* ibook */
			rdev->mode_info.connector_table = CT_IBOOK;
		} else if (machine_is_compatible("PowerMac4,4")) {
			/* emac */
			rdev->mode_info.connector_table = CT_EMAC;
		} else if (machine_is_compatible("PowerMac10,1")) {
			/* mini with internal tmds */
			rdev->mode_info.connector_table = CT_MINI_INTERNAL;
		} else if (machine_is_compatible("PowerMac10,2")) {
			/* mini with external tmds */
			rdev->mode_info.connector_table = CT_MINI_EXTERNAL;
		} else if (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 */
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			ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
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			hpd.hpd = RADEON_HPD_NONE;
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			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,
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						    &ddc_i2c,
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						    CONNECTOR_OBJECT_ID_VGA,
						    &hpd);
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		} else if (rdev->flags & RADEON_IS_MOBILITY) {
			/* LVDS */
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			ddc_i2c = combios_setup_i2c_bus(rdev, 0);
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			hpd.hpd = RADEON_HPD_NONE;
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			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,
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						    &ddc_i2c,
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						    CONNECTOR_OBJECT_ID_LVDS,
						    &hpd);
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			/* VGA - primary dac */
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			ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
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			hpd.hpd = RADEON_HPD_NONE;
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			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,
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						    &ddc_i2c,
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						    CONNECTOR_OBJECT_ID_VGA,
						    &hpd);
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		} else {
			/* DVI-I - tv dac, int tmds */
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			ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
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			hpd.hpd = RADEON_HPD_1;
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			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,
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						    &ddc_i2c,
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						    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
						    &hpd);
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			/* VGA - primary dac */
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			ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
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			hpd.hpd = RADEON_HPD_NONE;
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			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,
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						    &ddc_i2c,
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						    CONNECTOR_OBJECT_ID_VGA,
						    &hpd);
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		}

		if (rdev->family != CHIP_R100 && rdev->family != CHIP_R200) {
			/* TV - tv dac */
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			ddc_i2c.valid = false;
			hpd.hpd = RADEON_HPD_NONE;
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			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,
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						    &ddc_i2c,
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						    CONNECTOR_OBJECT_ID_SVIDEO,
						    &hpd);
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		}
		break;
	case CT_IBOOK:
		DRM_INFO("Connector Table: %d (ibook)\n",
			 rdev->mode_info.connector_table);
		/* LVDS */
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		ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
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		hpd.hpd = RADEON_HPD_NONE;
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		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,
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					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_LVDS,
					    &hpd);
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		/* VGA - TV DAC */
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		ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
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		hpd.hpd = RADEON_HPD_NONE;
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		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,
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					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_VGA,
					    &hpd);
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		/* TV - TV DAC */
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		ddc_i2c.valid = false;
		hpd.hpd = RADEON_HPD_NONE;
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		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,
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					    &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_SVIDEO,
					    &hpd);
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		break;
	case CT_POWERBOOK_EXTERNAL:
		DRM_INFO("Connector Table: %d (powerbook external tmds)\n",
			 rdev->mode_info.connector_table);
		/* LVDS */
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		ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
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		hpd.hpd = RADEON_HPD_NONE;
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		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,
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					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_LVDS,
					    &hpd);
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		/* DVI-I - primary dac, ext tmds */
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		ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
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		hpd.hpd = RADEON_HPD_2; /* ??? */
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		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);
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		/* XXX some are SL */
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		radeon_add_legacy_connector(dev, 1,
					    ATOM_DEVICE_DFP2_SUPPORT |
					    ATOM_DEVICE_CRT1_SUPPORT,
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					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I,
					    &hpd);
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		/* TV - TV DAC */
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		ddc_i2c.valid = false;
		hpd.hpd = RADEON_HPD_NONE;
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		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,
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					    &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_SVIDEO,
					    &hpd);
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		break;
	case CT_POWERBOOK_INTERNAL:
		DRM_INFO("Connector Table: %d (powerbook internal tmds)\n",
			 rdev->mode_info.connector_table);
		/* LVDS */
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		ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
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		hpd.hpd = RADEON_HPD_NONE;
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		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,
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					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_LVDS,
					    &hpd);
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		/* DVI-I - primary dac, int tmds */
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		ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
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		hpd.hpd = RADEON_HPD_1; /* ??? */
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		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,
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					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
					    &hpd);
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		/* TV - TV DAC */
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		ddc_i2c.valid = false;
		hpd.hpd = RADEON_HPD_NONE;
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		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,
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					    &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_SVIDEO,
					    &hpd);
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		break;
	case CT_POWERBOOK_VGA:
		DRM_INFO("Connector Table: %d (powerbook vga)\n",
			 rdev->mode_info.connector_table);
		/* LVDS */
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		ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_DVI_DDC);
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		hpd.hpd = RADEON_HPD_NONE;
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		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,
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					    DRM_MODE_CONNECTOR_LVDS, &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_LVDS,
					    &hpd);
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		/* VGA - primary dac */
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		ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_VGA_DDC);
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		hpd.hpd = RADEON_HPD_NONE;
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		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,
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					    DRM_MODE_CONNECTOR_VGA, &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_VGA,
					    &hpd);
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		/* TV - TV DAC */
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		ddc_i2c.valid = false;
		hpd.hpd = RADEON_HPD_NONE;
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		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,
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					    &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_SVIDEO,
					    &hpd);
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		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 */
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		ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
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		hpd.hpd = RADEON_HPD_2; /* ??? */
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		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);
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		/* XXX are any DL? */
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		radeon_add_legacy_connector(dev, 0,
					    ATOM_DEVICE_DFP2_SUPPORT |
					    ATOM_DEVICE_CRT2_SUPPORT,
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					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
					    &hpd);
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		/* TV - TV DAC */
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		ddc_i2c.valid = false;
		hpd.hpd = RADEON_HPD_NONE;
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		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,
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					    &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_SVIDEO,
					    &hpd);
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		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 */
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		ddc_i2c = combios_setup_i2c_bus(rdev, RADEON_GPIO_CRT2_DDC);
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		hpd.hpd = RADEON_HPD_1; /* ??? */
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		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,
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					    DRM_MODE_CONNECTOR_DVII, &ddc_i2c,
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					    CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I,
					    &hpd);
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		/* TV - TV DAC */
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		ddc_i2c.valid = false;
		hpd.hpd = RADEON_HPD_NONE;