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xenocara/driver/xf86-video-radeonhd/utils/conntest/rhd_conntest.c

2560 lines
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/*
* Copyright 2007, 2008 Luc Verhaegen <lverhaegen@novell.com>
* Copyright 2007, 2008 Matthias Hopf <mhopf@novell.com>
* Copyright 2007, 2008 Egbert Eich <eich@novell.com>
* Copyright 2007, 2008 Advanced Micro Devices, 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.
*/
/*
* This tool is here to help create a connector mapping table.
*
*/
/* #define DEBUG */
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <sys/mman.h>
#include <pci/pci.h>
#include <unistd.h>
#include <stdlib.h>
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "git_version.h"
#ifndef ULONG
typedef unsigned int ULONG;
# define ULONG ULONG
#endif
#ifndef UCHAR
typedef unsigned char UCHAR;
# define UCHAR UCHAR
#endif
#ifndef USHORT
typedef unsigned short USHORT;
# define USHORT USHORT
#endif
#include "atombios.h"
typedef int Bool;
#define FALSE 0
#define TRUE 1
typedef unsigned char CARD8;
typedef unsigned short CARD16;
typedef unsigned int CARD32;
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define SHORT(x) (x)
#else
#define SHORT(x) (((x & 0xff) << 8) | ((x & 0xff) >> 8))
#endif
#define VBIOS_BASE 0xC0000
#define VBIOS_MAXSIZE 0x10000
#define DEV_MEM "/dev/mem"
#define TARGET_HW_I2C_CLOCK 25 /* kHz */
/* Some register names */
enum {
/* DAC A */
DACA_ENABLE = 0x7800,
DACA_SOURCE_SELECT = 0x7804,
DACA_AUTODETECT_CONTROL = 0x7828,
DACA_FORCE_OUTPUT_CNTL = 0x783C,
DACA_FORCE_DATA = 0x7840,
DACA_POWERDOWN = 0x7850,
DACA_CONTROL1 = 0x7854,
DACA_CONTROL2 = 0x7858,
DACA_COMPARATOR_ENABLE = 0x785C,
DACA_COMPARATOR_OUTPUT = 0x7860,
RV620_DACA_ENABLE = 0x7000,
RV620_DACA_SOURCE_SELECT = 0x7004,
RV620_DACA_AUTODETECT_CONTROL = 0x7028,
RV620_DACA_AUTODETECT_STATUS = 0x7034,
RV620_DACA_AUTODETECT_INT_CONTROL = 0x7038,
RV620_DACA_FORCE_OUTPUT_CNTL = 0x703C,
RV620_DACA_FORCE_DATA = 0x7040,
RV620_DACA_POWERDOWN = 0x7050,
/* RV620_DACB_CONTROL1 moved */
RV620_DACA_CONTROL2 = 0x7058,
RV620_DACA_COMPARATOR_ENABLE = 0x705C,
RV620_DACA_CONTROL1 = 0x7ef4,
/* DAC B */
DACB_ENABLE = 0x7A00,
DACB_SOURCE_SELECT = 0x7A04,
DACB_AUTODETECT_CONTROL = 0x7A28,
DACB_FORCE_OUTPUT_CNTL = 0x7A3C,
DACB_FORCE_DATA = 0x7A40,
DACB_POWERDOWN = 0x7A50,
DACB_CONTROL1 = 0x7A54,
DACB_CONTROL2 = 0x7A58,
DACB_COMPARATOR_ENABLE = 0x7A5C,
DACB_COMPARATOR_OUTPUT = 0x7A60,
RV620_DACB_ENABLE = 0x7100,
RV620_DACB_SOURCE_SELECT = 0x7104,
RV620_DACB_AUTODETECT_CONTROL = 0x7128,
RV620_DACB_AUTODETECT_STATUS = 0x7034,
RV620_DACB_FORCE_OUTPUT_CNTL = 0x713C,
RV620_DACB_FORCE_DATA = 0x7140,
RV620_DACB_POWERDOWN = 0x7150,
/* RV620_DACB_CONTROL1 moved */
RV620_DACB_CONTROL2 = 0x7158,
RV620_DACB_COMPARATOR_ENABLE = 0x715C,
RV620_DACB_CONTROL1 = 0x7ff4,
/* DAC common */
RV620_DAC_COMPARATOR_MISC = 0x7da4,
RV620_DAC_COMPARATOR_OUTPUT = 0x7da8,
/* TMDSA */
TMDSA_CNTL = 0x7880,
TMDSA_SOURCE_SELECT = 0x7884,
TMDSA_COLOR_FORMAT = 0x7888,
TMDSA_FORCE_OUTPUT_CNTL = 0x788C,
TMDSA_BIT_DEPTH_CONTROL = 0x7894,
TMDSA_DCBALANCER_CONTROL = 0x78D0,
TMDSA_DATA_SYNCHRONIZATION_R500 = 0x78D8,
TMDSA_DATA_SYNCHRONIZATION_R600 = 0x78DC,
TMDSA_TRANSMITTER_ENABLE = 0x7904,
TMDSA_LOAD_DETECT = 0x7908,
TMDSA_MACRO_CONTROL = 0x790C, /* r5x0 and r600: 3 for pll and 1 for TX */
TMDSA_PLL_ADJUST = 0x790C, /* rv6x0: pll only */
TMDSA_TRANSMITTER_CONTROL = 0x7910,
TMDSA_TRANSMITTER_ADJUST = 0x7920, /* rv6x0: TX part of macro control */
/* LVTMA */
LVTMA_CNTL = 0x7A80,
LVTMA_SOURCE_SELECT = 0x7A84,
LVTMA_BIT_DEPTH_CONTROL = 0x7A94,
LVTMA_DATA_SYNCHRONIZATION = 0x7AD8,
LVTMA_PWRSEQ_REF_DIV = 0x7AE4,
LVTMA_PWRSEQ_DELAY1 = 0x7AE8,
LVTMA_PWRSEQ_DELAY2 = 0x7AEC,
LVTMA_PWRSEQ_CNTL = 0x7AF0,
LVTMA_PWRSEQ_STATE = 0x7AF4,
LVTMA_LVDS_DATA_CNTL = 0x7AFC,
LVTMA_MODE = 0x7B00,
LVTMA_TRANSMITTER_ENABLE = 0x7B04,
LVTMA_MACRO_CONTROL = 0x7B0C,
LVTMA_TRANSMITTER_CONTROL = 0x7B10,
/* I2C */
/* R5XX */
R5_DC_I2C_STATUS1 = 0x7D30,
R5_DC_I2C_RESET = 0x7D34,
R5_DC_I2C_CONTROL1 = 0x7D38,
R5_DC_I2C_CONTROL2 = 0x7D3C,
R5_DC_I2C_CONTROL3 = 0x7D40,
R5_DC_I2C_DATA = 0x7D44,
R5_DC_I2C_INTERRUPT_CONTROL = 0x7D48,
R5_DC_I2C_ARBITRATION = 0x7D50,
/* R6XX */
R6_DC_I2C_CONTROL = 0x7D30, /* (RW) */
R6_DC_I2C_ARBITRATION = 0x7D34, /* (RW) */
R6_DC_I2C_INTERRUPT_CONTROL = 0x7D38, /* (RW) */
R6_DC_I2C_SW_STATUS = 0x7d3c, /* (RW) */
R6_DC_I2C_DDC1_SPEED = 0x7D4C, /* (RW) */
R6_DC_I2C_DDC1_SETUP = 0x7D50, /* (RW) */
R6_DC_I2C_DDC2_SPEED = 0x7D54, /* (RW) */
R6_DC_I2C_DDC2_SETUP = 0x7D58, /* (RW) */
R6_DC_I2C_DDC3_SPEED = 0x7D5C, /* (RW) */
R6_DC_I2C_DDC3_SETUP = 0x7D60, /* (RW) */
R6_DC_I2C_TRANSACTION0 = 0x7D64, /* (RW) */
R6_DC_I2C_TRANSACTION1 = 0x7D68, /* (RW) */
R6_DC_I2C_DATA = 0x7D74, /* (RW) */
R6_DC_I2C_DDC4_SPEED = 0x7DB4, /* (RW) */
R6_DC_I2C_DDC4_SETUP = 0x7DBC, /* (RW) */
DC_GPIO_DDC4_MASK = 0x7E00, /* (RW) */
DC_GPIO_DDC4_A = 0x7E04, /* (RW) */
DC_GPIO_DDC4_EN = 0x7E08, /* (RW) */
DC_GPIO_DDC1_MASK = 0x7E40, /* (RW) */
DC_GPIO_DDC1_A = 0x7E44, /* (RW) */
DC_GPIO_DDC1_EN = 0x7E48, /* (RW) */
DC_GPIO_DDC1_Y = 0x7E4C, /* (RW) */
DC_GPIO_DDC2_MASK = 0x7E50, /* (RW) */
DC_GPIO_DDC2_A = 0x7E54, /* (RW) */
DC_GPIO_DDC2_EN = 0x7E58, /* (RW) */
DC_GPIO_DDC2_Y = 0x7E5C, /* (RW) */
DC_GPIO_DDC3_MASK = 0x7E60, /* (RW) */
DC_GPIO_DDC3_A = 0x7E64, /* (RW) */
DC_GPIO_DDC3_EN = 0x7E68, /* (RW) */
DC_GPIO_DDC3_Y = 0x7E6C, /* (RW) */
/* RS69x I2C */
RS69_DC_I2C_CONTROL = 0x7D30, /* (RW) */
RS69_DC_I2C_UNKNOWN_2 = 0x7D34, /* (RW) */
RS69_DC_I2C_INTERRUPT_CONTROL = 0x7D38, /* (RW) */
RS69_DC_I2C_SW_STATUS = 0x7d3c, /* (RW) */
RS69_DC_I2C_UNKNOWN_1 = 0x7d40,
RS69_DC_I2C_DDC_SETUP_Q = 0x7D44, /* (RW) */
RS69_DC_I2C_DATA = 0x7D58, /* (RW) */
RS69_DC_I2C_TRANSACTION0 = 0x7D48, /* (RW) */
RS69_DC_I2C_TRANSACTION1 = 0x7D4C, /* (RW) */
/* RV62x I2C */
RV62_GENERIC_I2C_CONTROL = 0x7d80, /* (RW) */
RV62_GENERIC_I2C_INTERRUPT_CONTROL = 0x7d84, /* (RW) */
RV62_GENERIC_I2C_STATUS = 0x7d88, /* (RW) */
RV62_GENERIC_I2C_SPEED = 0x7d8c, /* (RW) */
RV62_GENERIC_I2C_SETUP = 0x7d90, /* (RW) */
RV62_GENERIC_I2C_TRANSACTION = 0x7d94, /* (RW) */
RV62_GENERIC_I2C_DATA = 0x7d98, /* (RW) */
RV62_GENERIC_I2C_PIN_SELECTION = 0x7d9c, /* (RW) */
RV62_DC_GPIO_DDC4_MASK = 0x7e20, /* (RW) */
RV62_DC_GPIO_DDC1_MASK = 0x7e40, /* (RW) */
RV62_DC_GPIO_DDC2_MASK = 0x7e50, /* (RW) */
RV62_DC_GPIO_DDC3_MASK = 0x7e60, /* (RW) */
/* HPD */
DC_GPIO_HPD_Y = 0x7E9C
};
typedef enum _chipType {
RHD_R500 = 1,
RHD_RS690,
RHD_R600,
RHD_RV620
} chipType;
typedef enum dacOutput {
DAC_NONE,
DAC_VGA,
DAC_SVIDEO,
DAC_COMPOSITE,
DAC_COMPONENT
} dacOutput;
/* for RHD_R500/R600/RS690/RV620 */
chipType ChipType;
typedef struct _tableVersion
{
CARD8 crev;
CARD8 frev;
} tableVersion;
typedef struct _atomDataTables
{
union {
void *base;
ATOM_FIRMWARE_INFO *FirmwareInfo;
ATOM_FIRMWARE_INFO_V1_2 *FirmwareInfo_V_1_2;
ATOM_FIRMWARE_INFO_V1_3 *FirmwareInfo_V_1_3;
ATOM_FIRMWARE_INFO_V1_4 *FirmwareInfo_V_1_4;
} FirmwareInfo;
tableVersion FirmwareInfoVersion;
ATOM_GPIO_I2C_INFO *GPIO_I2C_Info;
tableVersion GPIO_I2C_InfoVersion;
} atomDataTables, *atomDataTablesPtr;
atomDataTables AtomData;
unsigned char **command_table = NULL;
int num_command_table_entries = 0;
unsigned char * AtomBiosGetDataFromCodeTable(unsigned char **tablelist, int n, short *size);
/*
* Match pci ids against data and some callbacks
*/
struct RHDDevice {
CARD16 vendor;
CARD16 device;
int bar;
chipType type;
} rhdDevices[] = {
{ 0x1002, 0x7100, 2, RHD_R500},
{ 0x1002, 0x7101, 2, RHD_R500},
{ 0x1002, 0x7102, 2, RHD_R500},
{ 0x1002, 0x7103, 2, RHD_R500},
{ 0x1002, 0x7104, 2, RHD_R500},
{ 0x1002, 0x7105, 2, RHD_R500},
{ 0x1002, 0x7106, 2, RHD_R500},
{ 0x1002, 0x7108, 2, RHD_R500},
{ 0x1002, 0x7109, 2, RHD_R500},
{ 0x1002, 0x710A, 2, RHD_R500},
{ 0x1002, 0x710B, 2, RHD_R500},
{ 0x1002, 0x710C, 2, RHD_R500},
{ 0x1002, 0x710E, 2, RHD_R500},
{ 0x1002, 0x710F, 2, RHD_R500},
{ 0x1002, 0x7140, 2, RHD_R500},
{ 0x1002, 0x7141, 2, RHD_R500},
{ 0x1002, 0x7142, 2, RHD_R500},
{ 0x1002, 0x7143, 2, RHD_R500},
{ 0x1002, 0x7144, 2, RHD_R500},
{ 0x1002, 0x7145, 2, RHD_R500},
{ 0x1002, 0x7146, 2, RHD_R500},
{ 0x1002, 0x7147, 2, RHD_R500},
{ 0x1002, 0x7149, 2, RHD_R500},
{ 0x1002, 0x714A, 2, RHD_R500},
{ 0x1002, 0x714B, 2, RHD_R500},
{ 0x1002, 0x714C, 2, RHD_R500},
{ 0x1002, 0x714D, 2, RHD_R500},
{ 0x1002, 0x714E, 2, RHD_R500},
{ 0x1002, 0x714F, 2, RHD_R500},
{ 0x1002, 0x7151, 2, RHD_R500},
{ 0x1002, 0x7152, 2, RHD_R500},
{ 0x1002, 0x7153, 2, RHD_R500},
{ 0x1002, 0x715E, 2, RHD_R500},
{ 0x1002, 0x715F, 2, RHD_R500},
{ 0x1002, 0x7180, 2, RHD_R500},
{ 0x1002, 0x7181, 2, RHD_R500},
{ 0x1002, 0x7183, 2, RHD_R500},
{ 0x1002, 0x7186, 2, RHD_R500},
{ 0x1002, 0x7187, 2, RHD_R500},
{ 0x1002, 0x7188, 2, RHD_R500},
{ 0x1002, 0x718A, 2, RHD_R500},
{ 0x1002, 0x718B, 2, RHD_R500},
{ 0x1002, 0x718C, 2, RHD_R500},
{ 0x1002, 0x718D, 2, RHD_R500},
{ 0x1002, 0x718F, 2, RHD_R500},
{ 0x1002, 0x7193, 2, RHD_R500},
{ 0x1002, 0x7196, 2, RHD_R500},
{ 0x1002, 0x719B, 2, RHD_R500},
{ 0x1002, 0x719F, 2, RHD_R500},
{ 0x1002, 0x71C0, 2, RHD_R500},
{ 0x1002, 0x71C1, 2, RHD_R500},
{ 0x1002, 0x71C2, 2, RHD_R500},
{ 0x1002, 0x71C3, 2, RHD_R500},
{ 0x1002, 0x71C4, 2, RHD_R500},
{ 0x1002, 0x71C5, 2, RHD_R500},
{ 0x1002, 0x71C6, 2, RHD_R500},
{ 0x1002, 0x71C7, 2, RHD_R500},
{ 0x1002, 0x71CD, 2, RHD_R500},
{ 0x1002, 0x71CE, 2, RHD_R500},
{ 0x1002, 0x71D2, 2, RHD_R500},
{ 0x1002, 0x71D4, 2, RHD_R500},
{ 0x1002, 0x71D5, 2, RHD_R500},
{ 0x1002, 0x71D6, 2, RHD_R500},
{ 0x1002, 0x71DA, 2, RHD_R500},
{ 0x1002, 0x71DE, 2, RHD_R500},
{ 0x1002, 0x7200, 2, RHD_R500},
{ 0x1002, 0x7210, 2, RHD_R500},
{ 0x1002, 0x7211, 2, RHD_R500},
{ 0x1002, 0x7240, 2, RHD_R500},
{ 0x1002, 0x7243, 2, RHD_R500},
{ 0x1002, 0x7244, 2, RHD_R500},
{ 0x1002, 0x7245, 2, RHD_R500},
{ 0x1002, 0x7246, 2, RHD_R500},
{ 0x1002, 0x7247, 2, RHD_R500},
{ 0x1002, 0x7248, 2, RHD_R500},
{ 0x1002, 0x7249, 2, RHD_R500},
{ 0x1002, 0x724A, 2, RHD_R500},
{ 0x1002, 0x724B, 2, RHD_R500},
{ 0x1002, 0x724C, 2, RHD_R500},
{ 0x1002, 0x724D, 2, RHD_R500},
{ 0x1002, 0x724E, 2, RHD_R500},
{ 0x1002, 0x724F, 2, RHD_R500},
{ 0x1002, 0x7280, 2, RHD_R500},
{ 0x1002, 0x7281, 2, RHD_R500},
{ 0x1002, 0x7283, 2, RHD_R500},
{ 0x1002, 0x7284, 2, RHD_R500},
{ 0x1002, 0x7287, 2, RHD_R500},
{ 0x1002, 0x7288, 2, RHD_R500},
{ 0x1002, 0x7289, 2, RHD_R500},
{ 0x1002, 0x728B, 2, RHD_R500},
{ 0x1002, 0x728C, 2, RHD_R500},
{ 0x1002, 0x7290, 2, RHD_R500},
{ 0x1002, 0x7291, 2, RHD_R500},
{ 0x1002, 0x7293, 2, RHD_R500},
{ 0x1002, 0x7297, 2, RHD_R500},
{ 0x1002, 0x791E, 2, RHD_RS690},
{ 0x1002, 0x791F, 2, RHD_RS690},
{ 0x1002, 0x793F, 2, RHD_RS690},
{ 0x1002, 0x7941, 2, RHD_RS690},
{ 0x1002, 0x7942, 2, RHD_RS690},
{ 0x1002, 0x796C, 2, RHD_R500},
{ 0x1002, 0x796D, 2, RHD_R500},
{ 0x1002, 0x796E, 2, RHD_R500},
{ 0x1002, 0x796F, 2, RHD_R500},
{ 0x1002, 0x9400, 2, RHD_R600},
{ 0x1002, 0x9401, 2, RHD_R600},
{ 0x1002, 0x9402, 2, RHD_R600},
{ 0x1002, 0x9403, 2, RHD_R600},
{ 0x1002, 0x9405, 2, RHD_R600},
{ 0x1002, 0x940A, 2, RHD_R600},
{ 0x1002, 0x940B, 2, RHD_R600},
{ 0x1002, 0x940F, 2, RHD_R600},
{ 0x1002, 0x94C0, 2, RHD_R600},
{ 0x1002, 0x94C1, 2, RHD_R600},
{ 0x1002, 0x94C3, 2, RHD_R600},
{ 0x1002, 0x94C4, 2, RHD_R600},
{ 0x1002, 0x94C5, 2, RHD_R600},
{ 0x1002, 0x94C6, 2, RHD_R600},
{ 0x1002, 0x94C7, 2, RHD_R600},
{ 0x1002, 0x94C8, 2, RHD_R600},
{ 0x1002, 0x94C9, 2, RHD_R600},
{ 0x1002, 0x94CB, 2, RHD_R600},
{ 0x1002, 0x94CC, 2, RHD_R600},
{ 0x1002, 0x9500, 2, RHD_R600},
{ 0x1002, 0x9501, 2, RHD_R600},
{ 0x1002, 0x9505, 2, RHD_R600},
{ 0x1002, 0x9507, 2, RHD_R600},
{ 0x1002, 0x950F, 2, RHD_R600},
{ 0x1002, 0x9511, 2, RHD_R600},
{ 0x1002, 0x9580, 2, RHD_R600},
{ 0x1002, 0x9581, 2, RHD_R600},
{ 0x1002, 0x9583, 2, RHD_R600},
{ 0x1002, 0x9586, 2, RHD_R600},
{ 0x1002, 0x9587, 2, RHD_R600},
{ 0x1002, 0x9588, 2, RHD_R600},
{ 0x1002, 0x9589, 2, RHD_R600},
{ 0x1002, 0x958A, 2, RHD_R600},
{ 0x1002, 0x958B, 2, RHD_R600},
{ 0x1002, 0x958C, 2, RHD_R600},
{ 0x1002, 0x958D, 2, RHD_R600},
{ 0x1002, 0x958E, 2, RHD_R600},
{ 0x1002, 0x9598, 2, RHD_RV620},
{ 0x1002, 0x95C5, 2, RHD_RV620},
{ 0x1002, 0x9612, 2, RHD_RV620},
{ 0, 0, 0, 0 }
};
/*
*
*/
#define LEN 16
void
dprint(unsigned char *start, unsigned long size)
{
unsigned int i;
unsigned int count = LEN;
char *c = (char *)start;
while (size) {
char *d = c;
printf(" ");
if (size < LEN)
count = size;
size -= count;
for (i = 0; i<count; i++)
printf("%2.2x ",(unsigned char) (*(c++)));
c = d;
for (i = 0; i<count; i++) {
printf("%c",((((CARD8)(*c)) > 32)
&& (((CARD8)(*c)) < 128)) ?
(unsigned char) (*(c)): '.');
c++;
}
printf("\n");
}
printf("\n");
}
/*
*
*/
static struct pci_dev *
DeviceLocate(struct pci_dev *devices, int bus, int dev, int func)
{
struct pci_dev *device;
for (device = devices; device; device = device->next)
if ((device->bus == bus) && (device->dev == dev) &&
(device->func == func))
return device;
return NULL;
}
/*
*
*/
static struct RHDDevice *
DeviceMatch(struct pci_dev *device)
{
int i;
for (i = 0; rhdDevices[i].vendor; i++)
if ((rhdDevices[i].vendor == device->vendor_id) &&
(rhdDevices[i].device == device->device_id))
return (rhdDevices + i);
return NULL;
}
/*
*
*/
static void *
MapBar(struct pci_dev *device, int ioBar, int devMem)
{
void *map;
if (!device->base_addr[ioBar] || !device->size[ioBar])
return NULL;
map = mmap(0, device->size[ioBar], PROT_WRITE | PROT_READ, MAP_SHARED,
devMem, device->base_addr[ioBar]);
/* printf("Mapped IO at 0x%08llX (BAR %1d: 0x%08llX)\n",
device->base_addr[io_bar], io_bar, device->size[io_bar]); */
return map;
}
/*
*
*/
CARD32
RegRead(void *map, int offset)
{
CARD32 ret = *(volatile CARD32 *)((CARD8 *) map + offset);
#ifdef DEBUG
fprintf(stderr, "0x%x = RegRead(0x%x)\n",ret,offset);
#endif
return ret;
}
/*
*
*/
void
RegWrite(void *map, int offset, CARD32 value)
{
#ifdef DEBUG
fprintf(stderr, "RegWrite(0x%x, 0x%x)\n",offset,value);
#endif
*(volatile CARD32 *)((CARD8 *) map + offset) = value;
}
/*
*
*/
void
RegMask(void *map, int offset, CARD32 value, CARD32 mask)
{
CARD32 tmp;
tmp = RegRead(map, offset);
tmp &= ~mask;
tmp |= (value & mask);
RegWrite(map, offset, tmp);
}
/*
*
*/
static void
HPDReport(void *map)
{
int HPD = RegRead(map, DC_GPIO_HPD_Y);
printf(" HotPlug:");
if (!(HPD & 0x0101) && !((ChipType == RHD_R600) && (HPD & 0x00010000)))
printf(" RHD_HPD_NONE ");
else {
if (HPD & 0x1)
printf(" RHD_HPD_0");
if (HPD & 0x100)
printf(" RHD_HPD_1");
if ((ChipType == RHD_R600) && (HPD & 0x00010000))
printf(" RHD_HPD_2");
}
printf("\n");
}
/*
*
*/
static dacOutput
DACLoadDetect(void *map, Bool tv, int dac)
{
CARD32 CompEnable, Control1, Control2, DetectControl, Enable;
CARD8 ret;
unsigned int offset = 0;
if (dac) offset = 0x200;
CompEnable = RegRead(map, offset + DACA_COMPARATOR_ENABLE);
Control1 = RegRead(map, offset + DACA_CONTROL1);
Control2 = RegRead(map, offset + DACA_CONTROL2);
DetectControl = RegRead(map, offset + DACA_AUTODETECT_CONTROL);
Enable = RegRead(map, offset + DACA_ENABLE);
RegWrite(map, offset + DACA_ENABLE, 1);
RegMask(map, offset + DACA_AUTODETECT_CONTROL, 0, 0x3);
RegMask(map, offset + DACA_CONTROL2, 0, 0xff0000);
RegMask(map, offset + DACA_CONTROL2, 0, 0x1);
RegMask(map, offset + DACA_CONTROL2, tv ? 0x100 : 0, 0x100);
RegWrite(map, offset + DACA_FORCE_DATA, 0);
RegMask(map, offset + DACA_CONTROL2, 0x1, 0x1);
RegMask(map, offset + DACA_COMPARATOR_ENABLE, 0x00070000, 0x00070000);
RegWrite(map, offset + DACA_CONTROL1, 0x00050802);
RegMask(map, offset + DACA_POWERDOWN, 0, 0x1); /* Shut down Bandgap Voltage Reference Power */
usleep(5);
RegMask(map, offset + DACA_POWERDOWN, 0, 0x01010100); /* Shut down RGB */
RegWrite(map, offset + DACA_FORCE_DATA, 0x1e6); /* 486 out of 1024 */
usleep(200);
RegMask(map, offset + DACA_POWERDOWN, 0x01010100, 0x01010100); /* Enable RGB */
usleep(88);
RegMask(map, offset + DACA_POWERDOWN, 0, 0x01010100); /* Shut down RGB */
RegMask(map, offset + DACA_COMPARATOR_ENABLE, 0x100, 0x100);
usleep(100);
/* Get RGB detect values
* If only G is detected, we could have a monochrome monitor,
* but we don't bother with this at the moment.
*/
ret = (RegRead(map, offset + DACA_COMPARATOR_OUTPUT) & 0x0E) >> 1;
#ifdef DEBUG
fprintf(stderr, "DAC%s: %x %s\n", dac ? "B" : "A", ret, tv ? "TV" : "");
#endif
RegMask(map, offset + DACA_COMPARATOR_ENABLE, CompEnable, 0x00FFFFFF);
RegWrite(map, offset + DACA_CONTROL1, Control1);
RegMask(map, offset + DACA_CONTROL2, Control2, 0x1FF);
RegMask(map, offset + DACA_AUTODETECT_CONTROL, DetectControl, 0xFF);
RegMask(map, offset + DACA_ENABLE, Enable, 0xFF);
switch (ret & 0x7) {
case 0x7:
if (tv)
return DAC_COMPONENT;
else
return DAC_VGA;
case 0x1:
if (tv)
return DAC_COMPOSITE;
else
return DAC_NONE;
case 0x6:
if (tv)
return DAC_SVIDEO;
else
return DAC_NONE;
default:
return DAC_NONE;
}
}
/*
*
*/
static dacOutput
RV620DACLoadDetect(void *map, Bool tv, int dac)
{
CARD32 offset = 0;
CARD32 ret;
CARD32 DetectControl, AutodetectIntCtl, ForceData, Control1, Control2, CompEnable;
if (dac == 1)
offset = 0x100;
Control1 = RegRead(map, offset + RV620_DACA_CONTROL1); /* 7ef4 */
Control2 = RegRead(map, offset + RV620_DACA_CONTROL2); /* 7058 */
ForceData = RegRead(map, offset + RV620_DACA_FORCE_DATA);
AutodetectIntCtl = RegRead(map, offset + RV620_DACA_AUTODETECT_INT_CONTROL);
DetectControl = RegRead(map, offset + RV620_DACA_AUTODETECT_CONTROL);
CompEnable = RegRead(map, offset + RV620_DACA_COMPARATOR_ENABLE);
#if 0
if (RegRead(map, offset + 0x7000) & 0x01) {
CARD32 my_offset = 0;
switch (RegRead(map, offset + 0x7004) & 0x3) {
case 0:
break;
case 1:
my_offset = 0x200;
break;
case 2:
switch (RegRead(map, offset + 0x60fc) & 0x1) {
case 0:
break;
case 1:
my_offset = 0x200;
break;
}
break;
}
if (RegRead(map, my_offset + 0x6080) & 0x1) {
while (!(RegRead(map, my_offset + 0x609c) & 0x02)) {};
while (!(RegRead(map, my_offset + 0x609c) & 0x01)) {};
}
}
#endif
if (tv)
RegMask(map, offset + RV620_DACA_CONTROL2, 0x100, 0xff00); /* TV on */
else
RegMask(map, offset + RV620_DACA_CONTROL2, 0x00, 0xff00); /* TV off */
RegMask(map, offset + RV620_DACA_FORCE_DATA, 0x18, 0xffff);
/* ack autodetect */
RegMask(map, offset + RV620_DACA_AUTODETECT_INT_CONTROL, 0x01, 0x01);
/* autodetect off */
RegMask(map, offset + RV620_DACA_AUTODETECT_CONTROL, 0x00, 0xff);
/* bandgap */
RegMask(map, offset + RV620_DACA_CONTROL1, dac ? 0x2502 : 0x2002, 0xffff);
/* DAC RGB async enable */
RegMask(map, offset + RV620_DACA_CONTROL2, 0x1, 0x1);
/* enable r/g/b comparators, disable D/SDET ref */
RegMask(map, offset + RV620_DACA_COMPARATOR_ENABLE, 0x70000, 0x070101);
usleep(100);
/* check for connection */
RegMask(map, offset + RV620_DACA_AUTODETECT_CONTROL, 0x01, 0xff);
usleep(32);
ret = RegRead(map, offset + RV620_DACA_AUTODETECT_STATUS);
RegWrite(map, offset + RV620_DACA_AUTODETECT_CONTROL, DetectControl);
RegWrite(map, offset + RV620_DACA_CONTROL1, Control1);
RegWrite(map, offset + RV620_DACA_CONTROL2, Control2);
RegWrite(map, offset + RV620_DACA_FORCE_DATA, ForceData);
RegWrite(map, offset + RV620_DACA_AUTODETECT_INT_CONTROL,
AutodetectIntCtl);
#ifdef DEBUG
fprintf(stderr, "DAC%i: ret = 0x%x %s\n",dac,ret,tv ? "TV" : "");
#endif
if (!tv)
return ((ret & 0x111) ? DAC_VGA : DAC_NONE);
switch (ret & 0x1010100) {
case 0x1010100:
if (tv)
return DAC_COMPONENT;
case 0x1000000:
return DAC_COMPOSITE;
case 0x10100:
return DAC_SVIDEO;
default:
return DAC_NONE;
}
}
/*
*
*/
static Bool
TMDSALoadDetect(void *map)
{
CARD32 Enable, Control, Detect;
Bool ret;
Enable = RegRead(map, TMDSA_TRANSMITTER_ENABLE);
Control = RegRead(map, TMDSA_TRANSMITTER_CONTROL);
Detect = RegRead(map, TMDSA_LOAD_DETECT);
/* r500 needs a tiny bit more work :) */
if (ChipType < RHD_R600) {
RegMask(map, TMDSA_TRANSMITTER_ENABLE, 0x3, 0x3);
RegMask(map, TMDSA_TRANSMITTER_CONTROL, 0x1, 0x3);
}
RegMask(map, TMDSA_LOAD_DETECT, 0x1, 0x1);
usleep(1);
ret = RegRead(map, TMDSA_LOAD_DETECT) & 0x10;
RegMask(map, TMDSA_LOAD_DETECT, Detect, 0x1);
if (ChipType < RHD_R600) {
RegWrite(map, TMDSA_TRANSMITTER_ENABLE, Enable);
RegWrite(map, TMDSA_TRANSMITTER_CONTROL, Control);
}
return ret;
}
/*
*
*/
static void
LoadReport(void *map)
{
dacOutput DACA = DAC_NONE, DACB = DAC_NONE, TVA = DAC_NONE, TVB = DAC_NONE;
Bool TMDSA;
switch (ChipType) {
case RHD_R500:
case RHD_RS690:
case RHD_R600:
DACA = DACLoadDetect(map, FALSE, 0);
DACB = DACLoadDetect(map, FALSE, 1);
TVA = DACLoadDetect(map, TRUE, 0);
TVB = DACLoadDetect(map, TRUE, 1);
break;
case RHD_RV620:
DACA = RV620DACLoadDetect(map, FALSE, 0);
DACB = RV620DACLoadDetect(map, FALSE, 1);
TVA = RV620DACLoadDetect(map, TRUE, 0);
TVB = RV620DACLoadDetect(map, TRUE, 1);
break;
}
TMDSA =TMDSALoadDetect(map);
printf(" Load Detection:");
if (!DACA && !DACB && !TMDSA && !TVA && !TVB)
printf(" RHD_OUTPUT_NONE ");
else {
if (DACA == DAC_VGA)
printf(" RHD_OUTPUT_DACA");
if (DACB == DAC_VGA)
printf(" RHD_OUTPUT_DACB");
switch (TVA) {
case DAC_SVIDEO:
printf(" RHD_OUTPUT_DACA_TV_SVIDEO");
break;
case DAC_COMPOSITE:
printf(" RHD_OUTPUT_DACA_TV_COMPOSITE");
break;
case DAC_COMPONENT:
if (!DACA)
printf(" RHD_OUTPUT_DACA_TV_COMPONENT");
break;
default:
break;
}
switch (TVB) {
case DAC_SVIDEO:
printf(" RHD_OUTPUT_DACB_TV_SVIDEO");
break;
case DAC_COMPOSITE:
printf(" RHD_OUTPUT_DACB_TV_COMPOSITE");
break;
case DAC_COMPONENT:
if (!DACB)
printf(" RHD_OUTPUT_DACB_TV_COMPONENT");
break;
default:
break;
}
if (TMDSA)
printf(" RHD_OUTPUT_TMDSA");
}
printf("\n");
}
/*
*
*/
CARD32
getDDCSpeed(void)
{
CARD32 clock, ref_clk, ret;
switch (AtomData.FirmwareInfoVersion.crev) {
case 1:
clock = AtomData.FirmwareInfo.FirmwareInfo->ulDefaultEngineClock;
ref_clk = AtomData.FirmwareInfo.FirmwareInfo->usReferenceClock;
break;
case 2:
clock = AtomData.FirmwareInfo.FirmwareInfo_V_1_2->ulDefaultEngineClock;
ref_clk = AtomData.FirmwareInfo.FirmwareInfo_V_1_2->usReferenceClock;
break;
case 3:
clock = AtomData.FirmwareInfo.FirmwareInfo_V_1_3->ulDefaultEngineClock;
ref_clk = AtomData.FirmwareInfo.FirmwareInfo_V_1_3->usReferenceClock;
break;
case 4:
clock = AtomData.FirmwareInfo.FirmwareInfo_V_1_4->ulDefaultEngineClock;
ref_clk = AtomData.FirmwareInfo.FirmwareInfo_V_1_4->usReferenceClock;
break;
default:
/* no AtomBIOS info; use save default */
clock = 70000;
ref_clk = 270;
}
clock *= 10;
ref_clk *= 10;
switch (ChipType) {
case RHD_R500:
case RHD_RS690:
ret = (0x7F << 8)
+ (clock) / (4 * 0x7F * TARGET_HW_I2C_CLOCK);
break;
case RHD_R600:
ret = (clock) / TARGET_HW_I2C_CLOCK;
break;
case RHD_RV620:
ret = (ref_clk) / (4 * TARGET_HW_I2C_CLOCK);
break;
default:
ret = 0;
}
#ifdef DEBUG
printf("%s: Clock: %i Prescale: 0x%x\n",__func__,clock,ret);
#endif
return ret;
}
/*
* R600 DDC defines.
*/
enum _r6xxI2CBits {
/* R6_DC_I2C_TRANSACTION0 */
R6_DC_I2C_RW0 = (0x1 << 0),
R6_DC_I2C_STOP_ON_NACK0 = (0x1 << 8),
R6_DC_I2C_ACK_ON_READ0 = (0x1 << 9),
R6_DC_I2C_START0 = (0x1 << 12),
R6_DC_I2C_STOP0 = (0x1 << 13),
R6_DC_I2C_COUNT0 = (0xff << 16),
/* R6_DC_I2C_TRANSACTION1 */
R6_DC_I2C_RW1 = (0x1 << 0),
R6_DC_I2C_STOP_ON_NACK1 = (0x1 << 8),
R6_DC_I2C_ACK_ON_READ1 = (0x1 << 9),
R6_DC_I2C_START1 = (0x1 << 12),
R6_DC_I2C_STOP1 = (0x1 << 13),
R6_DC_I2C_COUNT1 = (0xff << 16),
/* R6_DC_I2C_DATA */
R6_DC_I2C_DATA_RW = (0x1 << 0),
R6_DC_I2C_DATA_BIT = (0xff << 8),
R6_DC_I2C_INDEX = (0xff << 16),
R6_DC_I2C_INDEX_WRITE = (0x1 << 31),
/* R6_DC_I2C_CONTROL */
R6_DC_I2C_GO = (0x1 << 0),
R6_DC_I2C_SOFT_RESET = (0x1 << 1),
R6_DC_I2C_SEND_RESET = (0x1 << 2),
R6_DC_I2C_SW_STATUS_RESET = (0x1 << 3),
R6_DC_I2C_SDVO_EN = (0x1 << 4),
R6_DC_I2C_SDVO_ADDR_SEL = (0x1 << 6),
R6_DC_I2C_DDC_SELECT = (0x7 << 8),
R6_DC_I2C_TRANSACTION_COUNT = (0x3 << 20),
R6_DC_I2C_SW_DONE_INT = (0x1 << 0),
R6_DC_I2C_SW_DONE_ACK = (0x1 << 1),
R6_DC_I2C_SW_DONE_MASK = (0x1 << 2),
R6_DC_I2C_DDC1_HW_DONE_INT = (0x1 << 4),
R6_DC_I2C_DDC1_HW_DONE_ACK = (0x1 << 5),
R6_DC_I2C_DDC1_HW_DONE_MASK = (0x1 << 6),
R6_DC_I2C_DDC2_HW_DONE_INT = (0x1 << 8),
R6_DC_I2C_DDC2_HW_DONE_ACK = (0x1 << 9),
R6_DC_I2C_DDC2_HW_DONE_MASK = (0x1 << 10),
R6_DC_I2C_DDC3_HW_DONE_INT = (0x1 << 12),
R6_DC_I2C_DDC3_HW_DONE_ACK = (0x1 << 13),
R6_DC_I2C_DDC3_HW_DONE_MASK = (0x1 << 14),
R6_DC_I2C_DDC4_HW_DONE_INT = (0x1 << 16),
R6_DC_I2C_DDC4_HW_DONE_ACK = (0x1 << 17),
R6_DC_I2C_DDC4_HW_DONE_MASK = (0x1 << 18),
/* R6_DC_I2C_SW_STATUS */
R6_DC_I2C_SW_STATUS_BIT = (0x3 << 0),
R6_DC_I2C_SW_DONE = (0x1 << 2),
R6_DC_I2C_SW_ABORTED = (0x1 << 4),
R6_DC_I2C_SW_TIMEOUT = (0x1 << 5),
R6_DC_I2C_SW_INTERRUPTED = (0x1 << 6),
R6_DC_I2C_SW_BUFFER_OVERFLOW = (0x1 << 7),
R6_DC_I2C_SW_STOPPED_ON_NACK = (0x1 << 8),
R6_DC_I2C_SW_SDVO_NACK = (0x1 << 10),
R6_DC_I2C_SW_NACK0 = (0x1 << 12),
R6_DC_I2C_SW_NACK1 = (0x1 << 13),
R6_DC_I2C_SW_NACK2 = (0x1 << 14),
R6_DC_I2C_SW_NACK3 = (0x1 << 15),
R6_DC_I2C_SW_REQ = (0x1 << 18)
};
/*
*
*/
static Bool
R6xxI2CSetupStatus(void *map, int channel)
{
channel &= 0xf;
CARD16 i2c_speed;
i2c_speed = getDDCSpeed();
if (!i2c_speed)
return FALSE;
switch (channel) {
case 0:
RegMask(map, DC_GPIO_DDC1_MASK, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC1_A, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC1_EN, 0x0, 0xffff);
RegMask(map, R6_DC_I2C_DDC1_SPEED, (i2c_speed << 16) | 2,
0xFFFF00FF);
RegWrite(map, R6_DC_I2C_DDC1_SETUP, 0x30000000);
break;
case 1:
RegMask(map, DC_GPIO_DDC2_MASK, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC2_A, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC2_EN, 0x0, 0xffff);
RegMask(map, R6_DC_I2C_DDC2_SPEED, (i2c_speed << 16) | 2,
0xffff00ff);
RegWrite(map, R6_DC_I2C_DDC2_SETUP, 0x30000000);
break;
case 2:
RegMask(map, DC_GPIO_DDC3_MASK, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC3_A, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC3_EN, 0x0, 0xffff);
RegMask(map, R6_DC_I2C_DDC3_SPEED, (i2c_speed << 16) | 2,
0xffff00ff);
RegWrite(map, R6_DC_I2C_DDC3_SETUP, 0x30000000);
break;
case 3:
RegMask(map, DC_GPIO_DDC4_MASK, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC4_A, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC4_EN, 0x0, 0xffff);
RegMask(map, R6_DC_I2C_DDC4_SPEED, (i2c_speed << 16) | 2,
0xffff00ff);
RegWrite(map, R6_DC_I2C_DDC4_SETUP, 0x30000000);
break;
default:
return FALSE;
}
RegWrite(map, R6_DC_I2C_CONTROL, channel << 8);
RegMask(map, R6_DC_I2C_INTERRUPT_CONTROL, 0x2, 0x2);
RegMask(map, R6_DC_I2C_ARBITRATION, 0, 0xff);
return TRUE;
}
/*
*
*/
static Bool
R6xxI2CStatus(void *map)
{
int count = 800;
CARD32 val = 0;
while (--count) {
usleep(1000);
val = RegRead(map, R6_DC_I2C_SW_STATUS);
if (val & R6_DC_I2C_SW_DONE)
break;
}
RegMask(map, R6_DC_I2C_INTERRUPT_CONTROL, R6_DC_I2C_SW_DONE_ACK,
R6_DC_I2C_SW_DONE_ACK);
#ifdef DEBUG
fprintf(stderr, "I2CStatus: %x\n",val);
#endif
if (!count || (val & (R6_DC_I2C_SW_STOPPED_ON_NACK
| R6_DC_I2C_SW_NACK0 | R6_DC_I2C_SW_NACK1 | 0x3)))
return FALSE; /* 2 */
return TRUE; /* 1 */
}
/*
*
*/
static Bool
R6xxI2CWriteRead(void *map, CARD8 line, CARD8 slave,
unsigned char *WriteBuffer, int nWrite, unsigned char *ReadBuffer, int nRead)
{
Bool ret = FALSE;
CARD32 data = 0;
int idx = 1;
enum {
TRANS_WRITE_READ,
TRANS_WRITE,
TRANS_READ
} trans;
if (nWrite > 0 && nRead > 0) {
trans = TRANS_WRITE_READ;
} else if (nWrite > 0) {
trans = TRANS_WRITE;
} else if (nRead > 0) {
trans = TRANS_READ;
} else {
/* for bus probing */
trans = TRANS_WRITE;
}
if (!R6xxI2CSetupStatus(map, line))
return FALSE;
RegMask(map, R6_DC_I2C_CONTROL, (trans == TRANS_WRITE_READ)
? (1 << 20) : 0, R6_DC_I2C_TRANSACTION_COUNT); /* 2 or 1 Transaction */
RegMask(map, R6_DC_I2C_TRANSACTION0,
R6_DC_I2C_STOP_ON_NACK0
| (trans == TRANS_READ ? R6_DC_I2C_RW0 : 0)
| R6_DC_I2C_START0
| (trans == TRANS_WRITE_READ ? 0 : R6_DC_I2C_STOP0 )
| ((trans == TRANS_READ ? nRead : nWrite) << 16),
0xffffff);
if (trans == TRANS_WRITE_READ)
RegMask(map, R6_DC_I2C_TRANSACTION1,
nRead << 16
| R6_DC_I2C_RW1
| R6_DC_I2C_START1
| R6_DC_I2C_STOP1,
0xffffff); /* <bytes> read */
data = R6_DC_I2C_INDEX_WRITE
| (((slave & 0xfe) | (trans == TRANS_READ ? 1 : 0)) << 8 )
| (0 << 16);
RegWrite(map, R6_DC_I2C_DATA, data);
if (trans != TRANS_READ) { /* we have bytes to write */
while (nWrite--) {
data = R6_DC_I2C_INDEX_WRITE | ( *(WriteBuffer++) << 8 )
| (idx++ << 16);
RegWrite(map, R6_DC_I2C_DATA, data);
}
}
if (trans == TRANS_WRITE_READ) { /* we have bytes to read after write */
data = R6_DC_I2C_INDEX_WRITE | ((slave | 0x1) << 8) | (idx++ << 16);
RegWrite(map, R6_DC_I2C_DATA, data);
}
/* Go! */
RegMask(map, R6_DC_I2C_CONTROL, R6_DC_I2C_GO, R6_DC_I2C_GO);
if (R6xxI2CStatus(map)) {
/* Hopefully this doesn't write data to index */
RegWrite(map, R6_DC_I2C_DATA, R6_DC_I2C_INDEX_WRITE
| R6_DC_I2C_DATA_RW | /* idx++ */3 << 16);
while (nRead--) {
data = RegRead(map, R6_DC_I2C_DATA);
*(ReadBuffer++) = (data >> 8) & 0xff;
}
ret = TRUE;
} else
return FALSE;
RegMask(map, R6_DC_I2C_CONTROL, 0x2, 0xff);
usleep(10);
RegWrite(map, R6_DC_I2C_CONTROL, 0);
return ret;
}
/*
*
*/
static Bool
R6xxDDCProbe(void *map, int Channel, unsigned char slave)
{
Bool ret = FALSE;
CARD32 data;
if (!R6xxI2CSetupStatus(map, Channel))
return FALSE;
RegMask(map, R6_DC_I2C_CONTROL, 0, 0x00300000); /* 1 Transaction */
RegMask(map, R6_DC_I2C_TRANSACTION0, /* only slave */
R6_DC_I2C_STOP_ON_NACK0 | R6_DC_I2C_START0
| R6_DC_I2C_STOP0 | (0 << 16), 0x00ffffff);
data = R6_DC_I2C_INDEX_WRITE | ( slave << 8 ) | (0 << 16);
RegWrite(map, R6_DC_I2C_DATA, data);
RegMask(map, R6_DC_I2C_CONTROL, R6_DC_I2C_GO, R6_DC_I2C_GO);
ret = R6xxI2CStatus(map);
RegMask(map, R6_DC_I2C_CONTROL, 0x2, 0xff);
usleep(1000);
RegWrite(map, R6_DC_I2C_CONTROL, 0);
return ret;
}
enum _rhdRS69I2CBits {
/* RS69_DC_I2C_TRANSACTION0 */
RS69_DC_I2C_RW0 = (0x1 << 0),
RS69_DC_I2C_STOP_ON_NACK0 = (0x1 << 8),
RS69_DC_I2C_START0 = (0x1 << 12),
RS69_DC_I2C_STOP0 = (0x1 << 13),
/* RS69_DC_I2C_TRANSACTION1 */
RS69_DC_I2C_RW1 = (0x1 << 0),
RS69_DC_I2C_START1 = (0x1 << 12),
RS69_DC_I2C_STOP1 = (0x1 << 13),
/* RS69_DC_I2C_DATA */
RS69_DC_I2C_DATA_RW = (0x1 << 0),
RS69_DC_I2C_INDEX_WRITE = (0x1 << 31),
/* RS69_DC_I2C_CONTROL */
RS69_DC_I2C_GO = (0x1 << 0),
RS69_DC_I2C_TRANSACTION_COUNT = (0x3 << 20),
RS69_DC_I2C_SW_DONE_ACK = (0x1 << 1),
/* RS69_DC_I2C_SW_STATUS */
RS69_DC_I2C_SW_DONE = (0x1 << 2),
RS69_DC_I2C_SW_STOPPED_ON_NACK = (0x1 << 8),
RS69_DC_I2C_SW_NACK0 = (0x1 << 12),
RS69_DC_I2C_SW_NACK1 = (0x1 << 13)
};
/*
*
*/
static Bool
RS69I2CStatus(void *map)
{
int count = 800;
volatile CARD32 val;
while (--count) {
usleep(10);
val = RegRead(map, RS69_DC_I2C_SW_STATUS);
#ifdef DEBUG
fprintf(stderr,"I2CStatus : 0x%x %i\n",(unsigned int)val,count);
#endif
if (val & RS69_DC_I2C_SW_DONE)
break;
}
RegMask(map, RS69_DC_I2C_INTERRUPT_CONTROL, RS69_DC_I2C_SW_DONE_ACK,
RS69_DC_I2C_SW_DONE_ACK);
if (!count || (val & (RS69_DC_I2C_SW_STOPPED_ON_NACK
| RS69_DC_I2C_SW_NACK0 | RS69_DC_I2C_SW_NACK1
| 0x3)))
return FALSE; /* 2 */
return TRUE; /* 1 */
}
/*
*
*/
static Bool
RS69I2CSetupStatus(void *map, int line)
{
CARD32 ddc;
CARD16 prescale;
prescale = getDDCSpeed();
if (!prescale)
return FALSE;
RegMask(map, 0x28, 0x200, 0x200);
RegMask(map, RS69_DC_I2C_UNKNOWN_1, prescale << 16 | 0x2, 0xffff00ff);
/* add SDVO handling later */
#ifdef DEBUG
fprintf(stderr,"GPIO line DDC%i: 0x%x\n",line,
AtomData
.GPIO_I2C_Info->asGPIO_Info[line & 0xf].usClkMaskRegisterIndex);
#endif
switch (AtomData.GPIO_I2C_Info->asGPIO_Info[line & 0xf]
.usClkMaskRegisterIndex) {
case 0x1f90:
ddc = 0; /* ddc1 */
break;
case 0x1f94: /* ddc2 */
ddc = 1;
break;
default:
ddc = 2; /* ddc3 */
break;
}
#ifdef DEBUG
printf("DDC: line: %i -> %i port: %x\n",line,ddc,
AtomData.GPIO_I2C_Info->asGPIO_Info[line & 0xf]
.usClkMaskRegisterIndex);
#endif
RegMask(map, RS69_DC_I2C_CONTROL, ddc << 8, 0xff << 8);
RegWrite(map, RS69_DC_I2C_DDC_SETUP_Q, 0x30000000);
RegMask(map, RS69_DC_I2C_CONTROL, (line & 0x3) << 16, 0xff << 16);
RegMask(map, RS69_DC_I2C_INTERRUPT_CONTROL, 0x2, 0x2);
RegMask(map, RS69_DC_I2C_UNKNOWN_2, 0x2, 0xff);
return TRUE;
}
/*
*
*/
static int
RS69xI2CWriteRead(void *map, CARD8 line, CARD8 slave,
unsigned char *WriteBuffer, int nWrite, unsigned char *ReadBuffer, int nRead)
{
Bool ret = FALSE;
CARD32 data = 0;
int idx = 1;
enum {
TRANS_WRITE_READ,
TRANS_WRITE,
TRANS_READ
} trans;
if (nWrite > 0 && nRead > 0) {
trans = TRANS_WRITE_READ;
} else if (nWrite > 0) {
trans = TRANS_WRITE;
} else if (nRead > 0) {
trans = TRANS_READ;
} else {
/* for bus probing */
trans = TRANS_WRITE;
}
if (!RS69I2CSetupStatus(map, line))
return FALSE;
RegMask(map, RS69_DC_I2C_CONTROL, (trans == TRANS_WRITE_READ)
? (1 << 20) : 0, RS69_DC_I2C_TRANSACTION_COUNT); /* 2 or 1 Transaction */
RegMask(map, RS69_DC_I2C_TRANSACTION0,
RS69_DC_I2C_STOP_ON_NACK0
| (trans == TRANS_READ ? RS69_DC_I2C_RW0 : 0)
| RS69_DC_I2C_START0
| (trans == TRANS_WRITE_READ ? 0 : RS69_DC_I2C_STOP0 )
| ((trans == TRANS_READ ? nRead : nWrite) << 16),
0xffffff);
if (trans == TRANS_WRITE_READ)
RegMask(map, RS69_DC_I2C_TRANSACTION1,
nRead << 16
| RS69_DC_I2C_RW1
| RS69_DC_I2C_START1
| RS69_DC_I2C_STOP1,
0xffffff); /* <bytes> read */
data = RS69_DC_I2C_INDEX_WRITE
| (((slave & 0xfe) | (trans == TRANS_READ ? 1 : 0)) << 8 )
| (0 << 16);
RegWrite(map, RS69_DC_I2C_DATA, data);
if (trans != TRANS_READ) { /* we have bytes to write */
while (nWrite--) {
data = RS69_DC_I2C_INDEX_WRITE | ( *(WriteBuffer++) << 8 )
| (idx++ << 16);
RegWrite(map, RS69_DC_I2C_DATA, data);
}
}
if (trans == TRANS_WRITE_READ) { /* we have bytes to read after write */
data = RS69_DC_I2C_INDEX_WRITE | ((slave | 0x1) << 8) | (idx++ << 16);
RegWrite(map, RS69_DC_I2C_DATA, data);
}
/* Go! */
RegMask(map, RS69_DC_I2C_CONTROL, RS69_DC_I2C_GO, RS69_DC_I2C_GO);
if (RS69I2CStatus(map)) {
/* Hopefully this doesn't write data to index */
RegWrite(map, RS69_DC_I2C_DATA, RS69_DC_I2C_INDEX_WRITE
| RS69_DC_I2C_DATA_RW | /* idx++ */3 << 16);
while (nRead--) {
data = RegRead(map, RS69_DC_I2C_DATA);
*(ReadBuffer++) = (data >> 8) & 0xff;
}
ret = TRUE;
}
RegMask(map, RS69_DC_I2C_CONTROL, 0x2, 0xff);
usleep(10);
RegWrite(map, RS69_DC_I2C_CONTROL, 0);
return ret;
}
/*
*
*/
static Bool
RS69DDCProbe(void *map, int Channel, unsigned char slave)
{
Bool ret = FALSE;
CARD32 data;
if (!RS69I2CSetupStatus(map, Channel))
return FALSE;
RegMask(map, RS69_DC_I2C_CONTROL, 0, RS69_DC_I2C_TRANSACTION_COUNT); /* 1 Transaction */
RegMask(map, RS69_DC_I2C_TRANSACTION0, /* only slave */
RS69_DC_I2C_STOP_ON_NACK0 | RS69_DC_I2C_START0
| RS69_DC_I2C_STOP0 | (0 << 16), 0x00ffffff);
data = RS69_DC_I2C_INDEX_WRITE | ( slave << 8 ) | (0 << 16);
RegWrite(map, RS69_DC_I2C_DATA, data);
RegMask(map, RS69_DC_I2C_CONTROL, RS69_DC_I2C_GO, RS69_DC_I2C_GO);
ret = RS69I2CStatus(map);
RegMask(map, RS69_DC_I2C_CONTROL, 0x2, 0xff);
usleep(1000);
RegWrite(map, RS69_DC_I2C_CONTROL, 0);
return ret;
}
enum _rhdR5xxI2CBits {
/* R5_DC_I2C_STATUS1 */
R5_DC_I2C_DONE = (0x1 << 0),
R5_DC_I2C_NACK = (0x1 << 1),
R5_DC_I2C_HALT = (0x1 << 2),
R5_DC_I2C_GO = (0x1 << 3),
/* R5_DC_I2C_RESET */
R5_DC_I2C_SOFT_RESET = (0x1 << 0),
R5_DC_I2C_ABORT = (0x1 << 8),
/* R5_DC_I2C_CONTROL1 */
R5_DC_I2C_START = (0x1 << 0),
R5_DC_I2C_STOP = (0x1 << 1),
R5_DC_I2C_RECEIVE = (0x1 << 2),
R5_DC_I2C_EN = (0x1 << 8),
R5_DC_I2C_PIN_SELECT = (0x3 << 16),
/* R5_DC_I2C_CONTROL2 */
R5_DC_I2C_ADDR_COUNT = (0x7 << 0),
R5_DC_I2C_DATA_COUNT = (0xf << 8),
R5_DC_I2C_PRESCALE_LOWER = (0xff << 16),
R5_DC_I2C_PRESCALE_UPPER = (0xff << 24),
/* R5_DC_I2C_CONTROL3 */
R5_DC_I2C_DATA_DRIVE_EN = (0x1 << 0),
R5_DC_I2C_DATA_DRIVE_SEL = (0x1 << 1),
R5_DC_I2C_CLK_DRIVE_EN = (0x1 << 7),
R5_DC_I2C_RD_INTRA_BYTE_DELAY = (0xff << 8),
R5_DC_I2C_WR_INTRA_BYTE_DELAY = (0xff << 16),
R5_DC_I2C_TIME_LIMIT = (0xff << 24),
/* R5_DC_I2C_DATA */
R5_DC_I2C_DATA_BIT = (0xff << 0),
/* R5_DC_I2C_INTERRUPT_CONTROL */
R5_DC_I2C_INTERRUPT_STATUS = (0x1 << 0),
R5_DC_I2C_INTERRUPT_AK = (0x1 << 8),
R5_DC_I2C_INTERRUPT_ENABLE = (0x1 << 16),
/* R5_DC_I2C_ARBITRATION */
R5_DC_I2C_SW_WANTS_TO_USE_I2C = (0x1 << 0),
R5_DC_I2C_SW_CAN_USE_I2C = (0x1 << 1),
R5_DC_I2C_SW_DONE_USING_I2C = (0x1 << 8),
R5_DC_I2C_HW_NEEDS_I2C = (0x1 << 9),
R5_DC_I2C_ABORT_HDCP_I2C = (0x1 << 16),
R5_DC_I2C_HW_USING_I2C = (0x1 << 17)
};
/*
*
*/
static Bool
R5xxI2CSetupStatus(void *map, int channel)
{
switch (channel) {
case 0:
RegMask(map, DC_GPIO_DDC1_MASK, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC1_A, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC1_EN, 0x0, 0xffff);
break;
case 1:
RegMask(map, DC_GPIO_DDC2_MASK, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC2_A, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC2_EN, 0x0, 0xffff);
break;
case 2:
RegMask(map, DC_GPIO_DDC3_MASK, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC3_A, 0x0, 0xffff);
RegMask(map, DC_GPIO_DDC3_EN, 0x0, 0xffff);
break;
default:
return FALSE;
}
return TRUE;
}
/*
*
*/
static Bool
R5xxI2CStatus(void *map)
{
int count = 800;
CARD32 res;
while (count-- != 0) {
usleep (1000);
if (((RegRead(map, R5_DC_I2C_STATUS1))
& R5_DC_I2C_GO) != 0)
continue;
res = RegRead(map, R5_DC_I2C_STATUS1);
#ifdef DEBUG
fprintf(stderr, "I2CStatus: %x\n",res);
#endif
if (res & R5_DC_I2C_DONE)
return TRUE;
else
return FALSE;
}
RegMask(map, R5_DC_I2C_RESET, R5_DC_I2C_ABORT, 0xff00);
return FALSE;
}
/*
*
*/
static int
R5xxDDCProbe(void *map, int Channel, unsigned char slave)
{
Bool ret = FALSE;
CARD32 SaveControl1, save_494;
CARD16 prescale;
prescale = getDDCSpeed();
if (!prescale)
return FALSE;
if (!R5xxI2CSetupStatus(map, Channel))
return FALSE;
RegMask(map, 0x28, 0x200, 0x200);
SaveControl1 = RegRead(map, R5_DC_I2C_CONTROL1);
save_494 = RegRead(map, 0x494);
RegMask(map, 0x494, 1, 1);
RegMask(map, R5_DC_I2C_ARBITRATION, R5_DC_I2C_SW_WANTS_TO_USE_I2C,
R5_DC_I2C_SW_WANTS_TO_USE_I2C);
RegMask(map, R5_DC_I2C_STATUS1, R5_DC_I2C_DONE
| R5_DC_I2C_NACK
| R5_DC_I2C_HALT, 0xff);
RegMask(map, R5_DC_I2C_RESET, R5_DC_I2C_SOFT_RESET, 0xffff);
RegWrite(map, R5_DC_I2C_RESET, 0);
RegMask(map, R5_DC_I2C_CONTROL1,
(Channel & 0x0f) << 16 | R5_DC_I2C_EN,
R5_DC_I2C_PIN_SELECT | R5_DC_I2C_EN);
/* addr_count = 1; data_count = 1 */
RegWrite(map, R5_DC_I2C_CONTROL2, prescale << 16 | 0x101);
/* time limit 30 */
RegMask(map, R5_DC_I2C_CONTROL3, 0x30 << 24, 0xff << 24);
RegWrite(map, R5_DC_I2C_DATA, slave); /* slave */
RegWrite(map, R5_DC_I2C_DATA, 0);
RegMask(map, R5_DC_I2C_CONTROL1,
R5_DC_I2C_START | R5_DC_I2C_STOP, 0xff);
RegMask(map, R5_DC_I2C_STATUS1, R5_DC_I2C_GO, 0xff);
ret = R5xxI2CStatus(map);
RegMask(map, R5_DC_I2C_STATUS1,
R5_DC_I2C_DONE
| R5_DC_I2C_NACK
| R5_DC_I2C_HALT, 0xff);
RegMask(map, R5_DC_I2C_RESET, R5_DC_I2C_SOFT_RESET, 0xff);
RegWrite(map,R5_DC_I2C_RESET, 0);
RegMask(map, R5_DC_I2C_ARBITRATION,
R5_DC_I2C_SW_DONE_USING_I2C, 0xff00);
RegWrite(map, R5_DC_I2C_CONTROL1, SaveControl1);
RegWrite(map, 0x494, save_494);
RegMask(map, 0x28, 0, 0x200);
return ret;
}
/*
*
*/
Bool
R5xxI2CWriteReadChunk(void *map, CARD8 line, CARD8 slave,
unsigned char *WriteBuffer, int nWrite, unsigned char *ReadBuffer, int nRead)
{
int prescale = getDDCSpeed();
CARD32 save_I2C_CONTROL1, save_494;
CARD32 tmp32;
Bool ret = TRUE;
RegMask(map, 0x28, 0x200, 0x200);
save_I2C_CONTROL1 = RegRead(map, R5_DC_I2C_CONTROL1);
save_494 = RegRead(map, 0x494);
RegMask(map, 0x494, 1, 1);
RegMask(map, R5_DC_I2C_ARBITRATION,
R5_DC_I2C_SW_WANTS_TO_USE_I2C,
R5_DC_I2C_SW_WANTS_TO_USE_I2C);
RegMask(map, R5_DC_I2C_STATUS1, R5_DC_I2C_DONE
| R5_DC_I2C_NACK
| R5_DC_I2C_HALT, 0xff);
RegMask(map, R5_DC_I2C_RESET, R5_DC_I2C_SOFT_RESET, 0xffff);
RegWrite(map, R5_DC_I2C_RESET, 0);
RegMask(map, R5_DC_I2C_CONTROL1,
(line & 0x0f) << 16 | R5_DC_I2C_EN,
R5_DC_I2C_PIN_SELECT | R5_DC_I2C_EN);
if (nWrite || !nRead) { /* special case for bus probing */
/*
* chip can't just write the slave address without data.
* Add a dummy byte.
*/
RegWrite(map, R5_DC_I2C_CONTROL2,
prescale << 16 |
(nWrite ? nWrite : 1) << 8 | 0x01); /* addr_cnt: 1 */
RegMask(map, R5_DC_I2C_CONTROL3,
0x30 << 24, 0xff << 24); /* time limit 30 */
RegWrite(map, R5_DC_I2C_DATA, slave);
/* Add dummy byte */
if (!nWrite)
RegWrite(map, R5_DC_I2C_DATA, 0);
else
while (nWrite--)
RegWrite(map, R5_DC_I2C_DATA, *WriteBuffer++);
RegMask(map, R5_DC_I2C_CONTROL1,
R5_DC_I2C_START | R5_DC_I2C_STOP, 0xff);
RegMask(map, R5_DC_I2C_STATUS1, R5_DC_I2C_GO, 0xff);
if ((ret = R5xxI2CStatus(map)))
RegMask(map, R5_DC_I2C_STATUS1,R5_DC_I2C_DONE, 0xff);
else
ret = FALSE;
}
if (ret && nRead) {
RegWrite(map, R5_DC_I2C_DATA, slave | 1); /*slave*/
RegWrite(map, R5_DC_I2C_CONTROL2,
prescale << 16 | nRead << 8 | 0x01); /* addr_cnt: 1 */
RegMask(map, R5_DC_I2C_CONTROL1,
R5_DC_I2C_START | R5_DC_I2C_STOP | R5_DC_I2C_RECEIVE, 0xff);
RegMask(map, R5_DC_I2C_STATUS1, R5_DC_I2C_GO, 0xff);
if ((ret = R5xxI2CStatus(map))) {
RegMask(map, R5_DC_I2C_STATUS1, R5_DC_I2C_DONE, 0xff);
while (nRead--) {
*(ReadBuffer++) = (CARD8)RegRead(map, R5_DC_I2C_DATA);
}
} else
ret = FALSE;
}
RegMask(map, R5_DC_I2C_STATUS1,
R5_DC_I2C_DONE | R5_DC_I2C_NACK | R5_DC_I2C_HALT, 0xff);
RegMask(map, R5_DC_I2C_RESET, R5_DC_I2C_SOFT_RESET, 0xff);
RegWrite(map,R5_DC_I2C_RESET, 0);
RegMask(map,R5_DC_I2C_ARBITRATION,
R5_DC_I2C_SW_DONE_USING_I2C, 0xff00);
RegWrite(map,R5_DC_I2C_CONTROL1, save_I2C_CONTROL1);
RegWrite(map,0x494, save_494);
tmp32 = RegRead(map,0x28);
RegWrite(map,0x28, tmp32 & 0xfffffdff);
return ret;
}
/*
*
*/
static Bool
R5xxI2CWriteRead(void *map, CARD8 line, CARD8 slave,
unsigned char *WriteBuffer, int nWrite, unsigned char *ReadBuffer, int nRead)
{
/*
* Since the transaction buffer can only hold
* 15 bytes (+ the slave address) we bail out
* on every transaction that is bigger unless
* it's a read transaction following a write
* transaction sending just one byte.
* In this case we assume, that this byte is
* an offset address. Thus we will restart
* the transaction after 15 bytes sending
* a new offset.
*/
if (nWrite > 15 || (nRead > 15 && nWrite != 1)) {
fprintf(stderr,
"%s: Currently only I2C transfers with "
"maximally 15bytes are supported\n",
__func__);
return FALSE;
}
if (nRead > 15) {
unsigned char offset = *WriteBuffer;
while (nRead) {
int n = nRead > 15 ? 15 : nRead;
if (!R5xxI2CWriteReadChunk(map, line, slave, &offset, 1, ReadBuffer, n))
return FALSE;
ReadBuffer += n;
nRead -= n;
offset += n;
}
return TRUE;
} else
return R5xxI2CWriteReadChunk(map, line, slave, WriteBuffer, nWrite,
ReadBuffer, nRead);
}
/* RV620 */
enum rv620I2CBits {
/* GENERIC_I2C_CONTROL */
RV62_DC_I2C_GO = (0x1 << 0),
RV62_GENERIC_I2C_GO = (0x1 << 0),
RV62_GENERIC_I2C_SOFT_RESET = (0x1 << 1),
RV62_GENERIC_I2C_SEND_RESET = (0x1 << 2),
/* GENERIC_I2C_INTERRUPT_CONTROL */
RV62_GENERIC_I2C_DONE_INT = (0x1 << 0),
RV62_GENERIC_I2C_DONE_ACK = (0x1 << 1),
RV62_GENERIC_I2C_DONE_MASK = (0x1 << 2),
/* GENERIC_I2C_STATUS */
RV62_GENERIC_I2C_STATUS_BIT = (0xf << 0),
RV62_GENERIC_I2C_DONE = (0x1 << 4),
RV62_GENERIC_I2C_ABORTED = (0x1 << 5),
RV62_GENERIC_I2C_TIMEOUT = (0x1 << 6),
RV62_GENERIC_I2C_STOPPED_ON_NACK = (0x1 << 9),
RV62_GENERIC_I2C_NACK = (0x1 << 10),
/* GENERIC_I2C_SPEED */
RV62_GENERIC_I2C_THRESHOLD = (0x3 << 0),
RV62_GENERIC_I2C_DISABLE_FILTER_DURING_STALL = (0x1 << 4),
RV62_GENERIC_I2C_PRESCALE = (0xffff << 16),
/* GENERIC_I2C_SETUP */
RV62_GENERIC_I2C_DATA_DRIVE_EN = (0x1 << 0),
RV62_GENERIC_I2C_DATA_DRIVE_SEL = (0x1 << 1),
RV62_GENERIC_I2C_CLK_DRIVE_EN = (0x1 << 7),
RV62_GENERIC_I2C_INTRA_BYTE_DELAY = (0xff << 8),
RV62_GENERIC_I2C_TIME_LIMIT = (0xff << 24),
/* GENERIC_I2C_TRANSACTION */
RV62_GENERIC_I2C_RW = (0x1 << 0),
RV62_GENERIC_I2C_STOP_ON_NACK = (0x1 << 8),
RV62_GENERIC_I2C_ACK_ON_READ = (0x1 << 9),
RV62_GENERIC_I2C_START = (0x1 << 12),
RV62_GENERIC_I2C_STOP = (0x1 << 13),
RV62_GENERIC_I2C_COUNT = (0xf << 16),
/* GENERIC_I2C_DATA */
RV62_GENERIC_I2C_DATA_RW = (0x1 << 0),
RV62_GENERIC_I2C_DATA_BIT = (0xff << 8),
RV62_GENERIC_I2C_INDEX = (0xf << 16),
RV62_GENERIC_I2C_INDEX_WRITE = (0x1 << 31),
/* GENERIC_I2C_PIN_SELECTION */
RV62_GENERIC_I2C_SCL_PIN_SEL = (0x7f << 0),
RV62_GENERIC_I2C_SDA_PIN_SEL = (0x7f << 8),
};
/*
*
*/
static Bool
RV620I2CStatus(void *map)
{
int count = 50;
volatile CARD32 val;
while (--count) {
usleep(10);
val = RegRead(map, RV62_GENERIC_I2C_STATUS);
#ifdef DEBUG
fprintf(stderr,"SW_STATUS: 0x%x %i\n",(unsigned int)val,count);
#endif
if (val & RV62_GENERIC_I2C_DONE)
break;
}
RegMask(map, RV62_GENERIC_I2C_INTERRUPT_CONTROL, 0x2, 0xff);
if (!count
|| (val & (RV62_GENERIC_I2C_STOPPED_ON_NACK | RV62_GENERIC_I2C_NACK
| RV62_GENERIC_I2C_TIMEOUT | RV62_GENERIC_I2C_ABORTED)))
return FALSE; /* 2 */
return TRUE; /* 1 */
}
/*
*
*/
static Bool
RV620I2CSetupStatus(void *map, int line, int prescale)
{
/* CARD32 reg_7d9c[] = { 0x1, 0x0203, 0x0405, 0x0607 }; */
CARD32 reg_7d9c;
unsigned char *table;
short size = 0;
int i = 0;
if (line > 3)
return FALSE;
table = AtomBiosGetDataFromCodeTable(command_table, 0x36, &size);
while (i < size) {
if (table[i] == line) {
reg_7d9c = table[i + 3] << 8 | table[i + 2];
#ifdef DEBUG
fprintf(stderr, "Line[%i] = 0x%4.4x\n",line, reg_7d9c);
#endif
break;
}
i += 4;
}
if (i >= size)
return FALSE;
RegWrite(map, 0x7e40, 0);
RegWrite(map, 0x7e50, 0);
RegWrite(map, 0x7e60, 0);
RegWrite(map, 0x7e20, 0);
RegWrite(map, RV62_GENERIC_I2C_PIN_SELECTION, reg_7d9c);
RegMask(map, RV62_GENERIC_I2C_SPEED,
(prescale & 0xffff) << 16 | 0x02, 0xffff00ff);
RegWrite(map, RV62_GENERIC_I2C_SETUP, 0x30000000);
RegMask(map, RV62_GENERIC_I2C_INTERRUPT_CONTROL,
RV62_GENERIC_I2C_DONE_ACK, RV62_GENERIC_I2C_DONE_ACK);
return TRUE;
}
/*
*
*/
static Bool
RV620I2CTransaction(void *map, CARD8 slave, Bool Write,
unsigned char *Buffer, int count)
{
Bool Start = TRUE;
#define MAX 8
while (count > 0) {
int num;
int idx = 0;
CARD32 data = 0;
if (count > MAX) {
num = MAX;
RegMask(map, RV62_GENERIC_I2C_TRANSACTION,
(MAX - (((Start) ? 0 : 1))) << 16
| RV62_GENERIC_I2C_STOP_ON_NACK
| RV62_GENERIC_I2C_ACK_ON_READ
| (Start ? RV62_GENERIC_I2C_START : 0)
| (!Write ? RV62_GENERIC_I2C_RW : 0 ),
0xFFFFFF);
} else {
num = count;
data = ( count - (((Start) ? 0 : 1)) ) << 16
| RV62_GENERIC_I2C_STOP_ON_NACK
| RV62_GENERIC_I2C_STOP
| (Start ? RV62_GENERIC_I2C_START : 0)
| (!Write ? RV62_GENERIC_I2C_RW : 0);
RegMask(map, RV62_GENERIC_I2C_TRANSACTION,
data,
0xFFFFFF);
}
if (Start) {
data = RV62_GENERIC_I2C_INDEX_WRITE
| (((slave & 0xfe) | ( Write ? 0 : 1)) << 8)
| (idx++ << 16);
RegWrite(map, RV62_GENERIC_I2C_DATA, data);
}
if (Write) {
while (num--) {
data = RV62_GENERIC_I2C_INDEX_WRITE
| (idx++ << 16)
| *(Buffer++) << 8;
RegWrite(map, RV62_GENERIC_I2C_DATA, data);
}
RegMask(map, RV62_GENERIC_I2C_CONTROL,
RV62_GENERIC_I2C_GO, RV62_GENERIC_I2C_GO);
if (!RV620I2CStatus(map))
return FALSE;
} else {
RegMask(map, RV62_GENERIC_I2C_CONTROL,
RV62_GENERIC_I2C_GO, RV62_GENERIC_I2C_GO);
if (!RV620I2CStatus(map))
return FALSE;
RegWrite(map, RV62_GENERIC_I2C_DATA,
RV62_GENERIC_I2C_INDEX_WRITE
| (idx++ << 16)
| RV62_GENERIC_I2C_RW);
while (num--) {
data = RegRead(map, RV62_GENERIC_I2C_DATA);
*(Buffer++) = (CARD8)((data >> 8) & 0xff);
}
}
Start = FALSE;
count -= MAX;
}
return TRUE;
}
/*
*
*/
static Bool
RV620I2CWriteRead(void *map, CARD8 line, CARD8 slave,
unsigned char *WriteBuffer, int nWrite, unsigned char *ReadBuffer, int nRead)
{
int prescale = getDDCSpeed();
if (!prescale)
return FALSE;
RV620I2CSetupStatus(map, line, prescale);
if (!nWrite && !nRead)
return RV620I2CTransaction(map, slave, TRUE, (unsigned char *)"", 1);
if (nWrite)
if (!RV620I2CTransaction(map, slave, TRUE, WriteBuffer, nWrite))
return FALSE;
if (nRead)
if (!RV620I2CTransaction(map, slave, FALSE, ReadBuffer, nRead))
return FALSE;
return TRUE;
}
/*
*
*/
static Bool
RV620DDCProbe(void *map, int Channel, unsigned char slave)
{
return RV620I2CWriteRead(map, Channel, slave, NULL, 0, NULL, 0);
}
/*
*
*/
static Bool
DDCProbe(void *map, int Channel, unsigned char slave, unsigned char *data, int count)
{
Bool ret;
unsigned char offset = 0;
switch (ChipType) {
case RHD_R500:
if (( ret = R5xxDDCProbe(map, Channel, slave)) && count > 0) {
ret = R5xxI2CWriteRead(map, Channel, slave, &offset, 1, data, count);
};
return ret;
case RHD_RS690:
if ((ret = RS69DDCProbe(map, Channel, slave)) && count > 0) {
ret = RS69xI2CWriteRead(map, Channel, slave, &offset, 1, data, count);
};
return ret;
case RHD_R600:
if ((ret = R6xxDDCProbe(map, Channel, slave)) && count > 0) {
ret = R6xxI2CWriteRead(map, Channel, slave, &offset, 1, data, count);
};
return ret;
case RHD_RV620:
if ((ret = RV620DDCProbe(map, Channel, slave)) && count > 0) {
ret = RV620I2CWriteRead(map, Channel, slave, &offset, 1, data, count);
};
return ret;
default:
return FALSE;
}
}
/*
*
*/
#define EDID_SLAVE 0xA0
static void
DDCReport(void *map)
{
Bool Chan0, Chan1, Chan2, Chan3;
Chan0 = DDCProbe(map, 0, EDID_SLAVE, NULL, 0);
Chan1 = DDCProbe(map, 1, EDID_SLAVE, NULL, 0);
Chan2 = DDCProbe(map, 2, EDID_SLAVE, NULL, 0);
if (ChipType >= RHD_R600)
Chan3 = DDCProbe(map, 3, EDID_SLAVE, NULL, 0);
else
Chan3 = FALSE;
printf(" DDC:");
if (!Chan0 && !Chan1 && !Chan2 && !Chan3)
printf(" RHD_DDC_NONE ");
else {
if (Chan0)
printf(" RHD_DDC_0");
if (Chan1)
printf(" RHD_DDC_1");
if (Chan2)
printf(" RHD_DDC_2");
if (Chan3)
printf(" RHD_DDC_3");
}
printf("\n");
}
/*
*
*/
static void
DDCScanBus(void *map, int count)
{
int channel;
unsigned char slave;
int max_chan = ((ChipType >= RHD_R600) ? 3 : 2);
unsigned char *data = NULL;
if (count)
data = alloca(count);
for (channel = 0; channel < max_chan; channel ++) {
int state = 0;
for (slave = 0x8; slave < 0x78; slave++ ) {
if (DDCProbe(map, channel, slave << 1, data, count)) {
if (state == 0) {
printf(" DDC Line[%i]: Slaves: ", channel);
if (!data)
state = 1;
}
printf("%x ", slave << 1);
if (data) {
printf("\n");
dprint(data, count);
}
}
}
if (state == 1)
printf("\n");
}
}
/*
*
*/
static void
LVDSReport(void *map)
{
Bool Bits24 = FALSE, DualLink = FALSE, Fpdi = FALSE;
if (ChipType == RHD_R600) {
/* printf("No information for LVTMA on R600 has been made available yet.\n"); */
return;
}
if (!(RegRead(map, LVTMA_CNTL) & 0x1) ||
(RegRead(map, LVTMA_MODE) & 0x1))
return;
printf(" LVDS Info:\n");
DualLink = RegRead(map, LVTMA_CNTL) & 0x01000000;
Bits24 = RegRead(map, LVTMA_LVDS_DATA_CNTL) & 0x1;
Fpdi = RegRead(map, LVTMA_LVDS_DATA_CNTL) & 0x10;
printf("\t%dbits, %s link, %s Panel found.\n",
Bits24 ? 24 : 18,
DualLink ? "dual" : "single",
Fpdi ? "FPDI" : "LDI");
printf("\tPower Timing: 0x%03X, 0x%03X, 0x%02X, 0x%02X, 0x%03X\n",
RegRead(map, LVTMA_PWRSEQ_REF_DIV) & 0xFFF,
(RegRead(map, LVTMA_PWRSEQ_REF_DIV) >> 16) & 0xFFF,
((RegRead(map, LVTMA_PWRSEQ_DELAY1) & 0xFF) * 2 + 1) / 5,
(((RegRead(map, LVTMA_PWRSEQ_DELAY1) >> 8) & 0xFF) * 2 + 1)/ 5,
(RegRead(map, LVTMA_PWRSEQ_DELAY2) & 0xFFF) << 2);
printf("\tMacro: 0x%08X, Clock Pattern: 0x%04X\n",
RegRead(map, LVTMA_MACRO_CONTROL),
(RegRead(map, LVTMA_TRANSMITTER_CONTROL) >> 16) & 0x3FF);
}
/*
*
*/
Bool
WriteToFile(char *name, unsigned char *buffer, int size)
{
int fd = open(name, O_CREAT | O_TRUNC | O_WRONLY,S_IRUSR | S_IWUSR);
int ct = 0;
if (fd < 0) {
fprintf(stderr,"Cannot open file %s: %s\n",name,strerror(errno));
goto error;
} else {
while (1) {
int ret = write(fd, buffer + ct, size - ct);
if (ret < 0) {
if (errno == EAGAIN || errno == EINVAL)
continue;
else {
fprintf(stderr,"Cannot write output file: %s\n",
strerror(errno));
close (fd);
goto error;
}
} else {
ct += ret;
if (ct == size)
break;
}
}
close (fd);
return TRUE;
}
error:
return FALSE;
}
/*
*
*/
unsigned char *
GetVBIOS(int *size)
{
int i;
unsigned char *rombase;
char chksm = 0;
int saved_errno;
int fd;
if ((fd = open(DEV_MEM, O_RDONLY)) < 0) {
fprintf(stderr,"Cannot open " DEV_MEM " (%s),\n",strerror(errno));
return FALSE;
}
rombase = mmap((caddr_t)0, VBIOS_MAXSIZE, PROT_READ, MAP_SHARED, fd,
VBIOS_BASE);
saved_errno = errno;
close (fd);
if (rombase == MAP_FAILED) {
fprintf(stderr,"Cannot map (0x%08x:0x%x) (%s)\n",VBIOS_BASE,
VBIOS_MAXSIZE,
strerror(saved_errno));
return FALSE;
}
if (rombase[0] != 0x55 || rombase[1] != 0xaa) {
fprintf(stderr,"No BIOS Signature found!\n");
} else {
*size = rombase[2] * 512;
for (i = 0; i < *size; i++) {
chksm += rombase[i];
}
if (chksm)
fprintf(stderr,"Warning: VBIOS chksum incorrect!\n");
}
return rombase;
}
/*
*
*/
void
FreeVBIOS(unsigned char *rombase, int size)
{
munmap(rombase,size);
}
/*
*
*/
static int
AnalyzeCommonHdr(ATOM_COMMON_TABLE_HEADER *hdr)
{
if (hdr->usStructureSize == 0xaa55)
return FALSE;
return TRUE;
}
/*
*
*/
static int
AnalyzeRomHdr(unsigned char *rombase,
ATOM_ROM_HEADER *hdr,
int *data_offset, int *code_offset)
{
if (AnalyzeCommonHdr(&hdr->sHeader) == -1) {
return FALSE;
}
*data_offset = hdr->usMasterDataTableOffset;
*code_offset = hdr->usMasterCommandTableOffset;
return TRUE;
}
/*
*
*/
static int
AnalyzeRomDataTable(unsigned char *base, int offset,
void *ptr,short *size)
{
ATOM_COMMON_TABLE_HEADER *table = (ATOM_COMMON_TABLE_HEADER *)
(base + offset);
if (!*size || AnalyzeCommonHdr(table) == -1) {
if (*size) *size -= 2;
*(void **)ptr = NULL;
return FALSE;
}
*size -= 2;
*(void **)ptr = (void *)(table);
return TRUE;
}
/*
*
*/
static Bool
GetAtomBiosTableRevisionAndSize(ATOM_COMMON_TABLE_HEADER *hdr,
CARD8 *contentRev,
CARD8 *formatRev,
short *size)
{
if (!hdr)
return FALSE;
if (contentRev) *contentRev = hdr->ucTableContentRevision;
if (formatRev) *formatRev = hdr->ucTableFormatRevision;
if (size) *size = (short)hdr->usStructureSize
- sizeof(ATOM_COMMON_TABLE_HEADER);
return TRUE;
}
static Bool
AnalyzeMasterDataTable(unsigned char *base,
ATOM_MASTER_DATA_TABLE *table)
{
ATOM_MASTER_LIST_OF_DATA_TABLES *data_table =
&table->ListOfDataTables;
short size;
if (!AnalyzeCommonHdr(&table->sHeader))
return FALSE;
if (!GetAtomBiosTableRevisionAndSize(&table->sHeader,NULL,NULL,&size))
return FALSE;
AnalyzeRomDataTable(base,data_table->FirmwareInfo,&(AtomData.FirmwareInfo.base),&size);
GetAtomBiosTableRevisionAndSize(AtomData.FirmwareInfo.base,
&AtomData.FirmwareInfoVersion.crev,
&AtomData.FirmwareInfoVersion.frev,
NULL);
AnalyzeRomDataTable(base,data_table->GPIO_I2C_Info,&(AtomData.GPIO_I2C_Info),&size);
GetAtomBiosTableRevisionAndSize((ATOM_COMMON_TABLE_HEADER *)AtomData.GPIO_I2C_Info,
&AtomData.GPIO_I2C_InfoVersion.crev,
&AtomData.GPIO_I2C_InfoVersion.frev,
NULL);
return TRUE;
}
void
print_help(const char* progname, const char* message, const char* msgarg)
{
if (message != NULL)
fprintf(stderr, "%s %s\n", message, msgarg);
fprintf(stderr, "Usage: %s [options] PCI-tag\n"
" Options: -d: dumpBios\n"
" -s: scanDDCBus\n"
" -x num: dump num bytes from available i2c channels\n"
" PCI-tag: bus:dev.func\n\n",
progname);
}
/*
*
*/
struct atomCodeDataTableHeader
{
unsigned char signature;
unsigned short size;
};
#define CODE_DATA_TABLE_SIGNATURE 0x7a
#define ATOM_EOT_COMMAND 0x5b
unsigned char *
AtomBiosGetDataFromCodeTable(unsigned char **tablelist, int n, short *size)
{
ATOM_COMMON_ROM_COMMAND_TABLE_HEADER *header = (ATOM_COMMON_ROM_COMMAND_TABLE_HEADER *)
tablelist[n];
unsigned char *code;
int i;
if (!header)
return NULL;
if (!AnalyzeCommonHdr(&header->CommonHeader))
return NULL;
if (!GetAtomBiosTableRevisionAndSize(&header->CommonHeader,NULL,NULL,size))
return NULL;
code = (unsigned char *)header;
#ifdef DEBUG
fprintf(stderr, "table[%2.2i].size = 0x%3.3x bytes\n",n,*size);
#endif
for (i = sizeof(ATOM_COMMON_ROM_COMMAND_TABLE_HEADER); i < *size - 1; i++) {
if (code[i] == ATOM_EOT_COMMAND
&& code[i+1] == CODE_DATA_TABLE_SIGNATURE) {
struct atomCodeDataTableHeader *dt
= (struct atomCodeDataTableHeader *)&code[i];
int diff;
diff = *size - (i + 1) + sizeof(struct atomCodeDataTableHeader)
+ SHORT(dt->size);
if (diff < 0) {
fprintf(stderr,
"Data table in command table %i extends %i bytes "
"beyond command table size\n",
n, -diff);
return NULL;
} else {
#ifdef DEBUG
fprintf(stderr, "code data table size: 0x%4.4x\n",SHORT(dt->size));
dprint(&code[i + sizeof(struct atomCodeDataTableHeader)], SHORT(dt->size));
#endif
return &code[i + sizeof(struct atomCodeDataTableHeader)];
}
}
}
return NULL;
}
/*
*
*/
unsigned char **
AtomBiosAnalyzeCommandTable(ATOM_MASTER_COMMAND_TABLE *table, unsigned char *base, int *num)
{
short size;
int i;
unsigned char **tablelist = NULL;
unsigned short offset;
*num = sizeof(ATOM_MASTER_LIST_OF_COMMAND_TABLES)/sizeof(USHORT);
if (!AnalyzeCommonHdr(&table->sHeader))
return NULL;
if (!GetAtomBiosTableRevisionAndSize(&table->sHeader,NULL,NULL,&size))
return NULL;
if ((tablelist = (unsigned char **)calloc(*num, sizeof (char *)))) {
for (i = 0; i < *num; i++)
if ((offset = ((USHORT *)&(table->ListOfCommandTables))[i])) {
#ifdef DEBUG
fprintf(stderr, "CommandTableEntry[%2.2i] = 0x%4.4x\n",i,offset);
#endif
tablelist[i] = base + offset;
} else
tablelist[i] = NULL;
}
return tablelist;
}
/*
*
*/
static Bool
InterpretATOMBIOS(unsigned char *base)
{
int data_offset, code_offset;
unsigned short atom_romhdr_off = *(unsigned short*)
(base + OFFSET_TO_POINTER_TO_ATOM_ROM_HEADER);
ATOM_ROM_HEADER *atom_rom_hdr =
(ATOM_ROM_HEADER *)(base + atom_romhdr_off);
if (memcmp("ATOM",&atom_rom_hdr->uaFirmWareSignature,4)) {
fprintf(stderr,"No AtomBios signature found\n");
return FALSE;
}
if (!AnalyzeRomHdr(base, atom_rom_hdr, &data_offset, &code_offset)) {
fprintf(stderr, "RomHeader invalid\n");
return FALSE;
}
if (!AnalyzeMasterDataTable(base, (ATOM_MASTER_DATA_TABLE *)
(base + data_offset))) {
fprintf(stderr, "ROM Master Table invalid\n");
return FALSE;
}
command_table =
AtomBiosAnalyzeCommandTable((ATOM_MASTER_COMMAND_TABLE *)(base + code_offset),
base, &num_command_table_entries);
return TRUE;
}
/*
*
*/
int
main(int argc, char *argv[])
{
struct pci_dev *device = NULL;
struct pci_access *pciAccess;
struct RHDDevice *rhdDevice = NULL;
int devMem;
void *io;
int bus, dev, func;
int ret;
int saved_errno;
Bool deviceSet = FALSE;
Bool dumpBios = FALSE, scanDDCBus = FALSE;
unsigned long DumpI2CData = 0;
int i;
unsigned char *rombase;
int size;
printf("%s: v%s, %s\n",
"rhd_conntest", PACKAGE_VERSION, GIT_MESSAGE);
/* init libpci */
pciAccess = pci_alloc();
pci_init(pciAccess);
pci_scan_bus(pciAccess);
if (argc < 2) {
print_help(argv[0], "Missing argument: please provide a PCI tag\n",
"");
return 1;
}
for (i = 1; i < argc; i++) {
if (!strncmp("-d",argv[i],3)) {
dumpBios = TRUE;
} else if (!strncmp("-s",argv[i],3)) {
scanDDCBus = TRUE;
} else if (!strncmp("-x",argv[i],3)) {
if (++i == argc || !strncmp("-", argv[i], 1)) {
print_help(argv[0], "Option -x requires an argument","");
return 1;
}
DumpI2CData = strtol(argv[i], NULL, 0);
if (DumpI2CData > 256) {
fprintf(stderr, "can only dump up to 256 bytes");
return -1;
}
} else if (!strncmp("-",argv[i],1)) {
print_help(argv[0], "Unknown option", argv[i]);
return 1;
} else {
ret = sscanf(argv[i], "%x:%x.%x", &bus, &dev, &func);
if (ret != 3) {
ret = sscanf(argv[i], "%x:%x:%x", &bus, &dev, &func);
if (ret != 3) {
ret = sscanf(argv[i], "%d:%d.%d", &bus, &dev, &func);
if (ret != 3)
ret = sscanf(argv[i], "%d:%d:%d", &bus, &dev, &func);
}
}
if (ret != 3) {
print_help(argv[0], "Unable to parse the PCI tag argument: ",
argv[i]);
return 1;
}
deviceSet = TRUE;
}
}
if (deviceSet) {
/* find our toy */
device = DeviceLocate(pciAccess->devices, bus, dev, func);
if (!device) {
fprintf(stderr, "Unable to find PCI device at %02X:%02X.%02X.\n",
bus, dev, func);
return 1;
}
rhdDevice = DeviceMatch(device);
if (!rhdDevice) {
fprintf(stderr,
"Unknown device: 0x%04X:0x%04X (%02X:%02X.%02X).\n",
device->vendor_id, device->device_id, bus, dev, func);
return 1;
}
}
rombase = GetVBIOS(&size);
if (!rombase) {
fprintf(stderr, "Cannot get VBIOS. Are we root?\n");
return 1;
}
if (!InterpretATOMBIOS(rombase)) {
fprintf(stderr, "Cannot analyze AtomBIOS\n");
return 1;
}
if (dumpBios) {
char name[1024] = "posted.vga.rom";
if (deviceSet) {
snprintf(name, 1023, "%04X.%04X.%04X.vga.rom",
device->device_id,
pci_read_word(device, PCI_SUBSYSTEM_VENDOR_ID),
pci_read_word(device, PCI_SUBSYSTEM_ID));
}
WriteToFile(name, rombase, size);
}
if (!deviceSet)
return 0;
if (rhdDevice->bar > 5) {
fprintf(stderr, "Program error: No acceptable BAR defined for this device.\n");
return 1;
}
printf("Checking connectors on 0x%04X, 0x%04X, 0x%04X (@%02X:%02X:%02X):\n",
device->device_id, pci_read_word(device, PCI_SUBSYSTEM_VENDOR_ID),
pci_read_word(device, PCI_SUBSYSTEM_ID),
device->bus, device->dev, device->func);
/* make sure we can actually read DEV_MEM before we do anything else */
devMem = open(DEV_MEM, O_RDWR);
if (devMem < 0) {
fprintf(stderr, "Unable to open "DEV_MEM": %s.\n", strerror(errno));
return errno;
}
io = MapBar(device, rhdDevice->bar, devMem);
saved_errno = errno;
close (devMem);
if (!io) {
fprintf(stderr, "Unable to map IO memory: %s.\n",
strerror(saved_errno));
return 1;
}
ChipType = rhdDevice->type;
LoadReport(io);
HPDReport(io);
DDCReport(io);
LVDSReport(io);
if (scanDDCBus || DumpI2CData)
DDCScanBus(io, DumpI2CData);
FreeVBIOS(rombase, size);
return 0;
}
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