drm/shared-core/radeon_ms_combios.c

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/*
* Copyright 2007 Jérôme Glisse
* All Rights Reserved.
*
* 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 (including the next
* paragraph) 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
* PRECISION INSIGHT AND/OR ITS SUPPLIERS 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:
* Jérôme Glisse <glisse@freedesktop.org>
*/
#include "radeon_ms.h"
extern struct radeon_ms_output radeon_ms_dac1;
extern struct radeon_ms_output radeon_ms_dac2;
extern const struct drm_output_funcs radeon_ms_output_funcs;
static struct combios_connector_chip_info *
radeon_ms_combios_get_connector_chip_info(struct drm_device *dev, int chip_num)
{
struct drm_radeon_private *dev_priv = dev->dev_private;
struct radeon_ms_rom *rom = &dev_priv->rom;
struct combios_header *header;
struct combios_connector_table *connector_table;
struct combios_connector_chip_info *connector_chip_info;
uint32_t offset;
int numof_chips, i;
if (rom->type != ROM_COMBIOS || rom->rom_image == NULL) {
return NULL;
}
header = rom->rom.combios_header;
offset = header->usPointerToExtendedInitTable2;
if ((offset + sizeof(struct combios_connector_table)) > rom->rom_size) {
DRM_INFO("[radeon_ms] wrong COMBIOS connector offset\n");
return NULL;
}
if (!offset) {
return NULL;
}
connector_table = (struct combios_connector_table *)
&rom->rom_image[offset];
numof_chips = (connector_table->ucConnectorHeader &
BIOS_CONNECTOR_HEADER__NUMBER_OF_CHIPS__MASK) >>
BIOS_CONNECTOR_HEADER__NUMBER_OF_CHIPS__SHIFT;
DRM_INFO("[radeon_ms] COMBIOS number of chip: %d (table rev: %d)\n",
numof_chips,
(connector_table->ucConnectorHeader &
BIOS_CONNECTOR_HEADER__TABLE_REVISION__MASK) >>
BIOS_CONNECTOR_HEADER__TABLE_REVISION__SHIFT);
for (i = 0; i < numof_chips; i++) {
int chip;
connector_chip_info = &connector_table->sChipConnectorInfo[i];
chip = (connector_chip_info->ucChipHeader &
BIOS_CHIPINFO_HEADER__CHIP_NUMBER__MASK) >>
BIOS_CHIPINFO_HEADER__CHIP_NUMBER__SHIFT;
DRM_INFO("[radeon_ms] COMBIOS chip: %d (asked for: %d)\n",
chip, chip_num);
if (chip == chip_num) {
return connector_chip_info;
}
}
return NULL;
}
static int radeon_combios_get_connector_infos(struct drm_device *dev,
int connector_info,
int *connector_type,
int *ddc_line,
int *tmds_type,
int *dac_type)
{
struct drm_radeon_private *dev_priv = dev->dev_private;
*connector_type = (connector_info & BIOS_CONNECTOR_INFO__TYPE__MASK) >>
BIOS_CONNECTOR_INFO__TYPE__SHIFT;
*ddc_line = (connector_info & BIOS_CONNECTOR_INFO__DDC_LINE__MASK) >>
BIOS_CONNECTOR_INFO__DDC_LINE__SHIFT;
*tmds_type = (connector_info & BIOS_CONNECTOR_INFO__TMDS_TYPE__MASK) >>
BIOS_CONNECTOR_INFO__TMDS_TYPE__SHIFT;
*dac_type = (connector_info & BIOS_CONNECTOR_INFO__DAC_TYPE__MASK) >>
BIOS_CONNECTOR_INFO__DAC_TYPE__SHIFT;
/* most XPRESS chips seem to specify DDC_CRT2 for their
* VGA DDC port, however DDC never seems to work on that
* port. Some have reported success on DDC_MONID, so
* lets see what happens with that.
*/
if (dev_priv->family == CHIP_RS400 &&
*connector_type == BIOS_CONNECTOR_TYPE__CRT &&
*ddc_line == BIOS_DDC_LINE__CRT2) {
*ddc_line = BIOS_DDC_LINE__MONID01;
}
/* XPRESS desktop chips seem to have a proprietary
* connector listed for DVI-D, try and do the right
* thing here.
*/
if (dev_priv->family == CHIP_RS400 &&
*connector_type == BIOS_CONNECTOR_TYPE__PROPRIETARY) {
DRM_INFO("[radeon_ms] COMBIOS Proprietary connector "
"found, assuming DVI-D\n");
*dac_type = 2;
*tmds_type = BIOS_TMDS_TYPE__EXTERNAL;
*connector_type = BIOS_CONNECTOR_TYPE__DVI_D;
}
return 0;
}
static int radeon_ms_combios_connector_add(struct drm_device *dev,
int connector_number,
int connector_type,
uint32_t i2c_reg)
{
struct drm_radeon_private *dev_priv = dev->dev_private;
struct radeon_ms_connector *connector = NULL;
struct drm_output *output = NULL;
connector = drm_alloc(sizeof(struct radeon_ms_connector),
DRM_MEM_DRIVER);
if (connector == NULL) {
radeon_ms_connectors_destroy(dev);
return -ENOMEM;
}
memset(connector, 0, sizeof(struct radeon_ms_connector));
connector->monitor_type = MT_NONE;
connector->type = connector_type;
connector->i2c_reg = i2c_reg;
if (i2c_reg) {
connector->i2c = radeon_ms_i2c_create(dev,
connector->i2c_reg,
connector->type);
if (connector->i2c == NULL) {
radeon_ms_connectors_destroy(dev);
return -ENOMEM;
}
} else {
connector->i2c = NULL;
}
output = drm_output_create(dev, &radeon_ms_output_funcs,
connector->type);
if (output == NULL) {
radeon_ms_connectors_destroy(dev);
return -EINVAL;
}
connector->output = output;
output->driver_private = connector;
output->possible_crtcs = 0x3;
dev_priv->connectors[connector_number] = connector;
return 0;
}
int radeon_ms_combios_get_properties(struct drm_device *dev)
{
struct drm_radeon_private *dev_priv = dev->dev_private;
struct radeon_ms_rom *rom = &dev_priv->rom;
struct combios_pll_block *pll_block;
struct combios_header *header;
uint32_t offset;
if (rom->type != ROM_COMBIOS || rom->rom_image == NULL) {
return 0;
}
header = rom->rom.combios_header;
offset = header->usPointerToPllInfoBlock;
if ((offset + sizeof(struct combios_pll_block)) > rom->rom_size) {
DRM_INFO("[radeon_ms] wrong COMBIOS pll block offset\n");
return 0;
}
if (!offset) {
return 0;
}
pll_block = (struct combios_pll_block *)&rom->rom_image[offset];
dev_priv->properties.pll_reference_freq = pll_block->usDotClockRefFreq;
dev_priv->properties.pll_reference_div = pll_block->usDotClockRefDiv;
dev_priv->properties.pll_min_pll_freq = pll_block->ulDotClockMinFreq;
dev_priv->properties.pll_max_pll_freq = pll_block->ulDotClockMaxFreq;
dev_priv->properties.pll_reference_freq *= 10;
dev_priv->properties.pll_min_pll_freq *= 10;
dev_priv->properties.pll_max_pll_freq *= 10;
DRM_INFO("[radeon_ms] COMBIOS pll reference frequency : %d\n",
dev_priv->properties.pll_reference_freq);
DRM_INFO("[radeon_ms] COMBIOS pll reference divider : %d\n",
dev_priv->properties.pll_reference_div);
DRM_INFO("[radeon_ms] COMBIOS pll minimum frequency : %d\n",
dev_priv->properties.pll_min_pll_freq);
DRM_INFO("[radeon_ms] COMBIOS pll maximum frequency : %d\n",
dev_priv->properties.pll_max_pll_freq);
return 1;
}
int radeon_ms_connectors_from_combios(struct drm_device *dev)
{
struct drm_radeon_private *dev_priv = dev->dev_private;
struct combios_connector_chip_info *connector_chip_info;
int connector_type, ddc_line, tmds_type, dac_type;
int dac1, dac2, tmdsint, tmdsext;
int numof_connector, i, c = 0, added, j;
uint32_t i2c_reg;
int ret;
dac1 = dac2 = tmdsint = tmdsext = -1;
connector_chip_info = radeon_ms_combios_get_connector_chip_info(dev, 1);
if (connector_chip_info == NULL) {
return -1;
}
numof_connector = (connector_chip_info->ucChipHeader &
BIOS_CHIPINFO_HEADER__NUMBER_OF_CONNECTORS__MASK) >>
BIOS_CHIPINFO_HEADER__NUMBER_OF_CONNECTORS__SHIFT;
DRM_INFO("[radeon_ms] COMBIOS number of connector: %d\n",
numof_connector);
for (i = 0; i < numof_connector; i++) {
int connector_info = connector_chip_info->sConnectorInfo[i];
ret = radeon_combios_get_connector_infos(dev,
connector_info,
&connector_type,
&ddc_line,
&tmds_type,
&dac_type);
switch (ddc_line) {
case BIOS_DDC_LINE__MONID01:
i2c_reg = GPIO_MONID;
break;
case BIOS_DDC_LINE__DVI:
i2c_reg = GPIO_DVI_DDC;
break;
case BIOS_DDC_LINE__VGA:
i2c_reg = GPIO_DDC1;
break;
case BIOS_DDC_LINE__CRT2:
i2c_reg = GPIO_CRT2_DDC;
break;
case BIOS_DDC_LINE__GPIOPAD:
i2c_reg = VIPPAD_EN;
break;
case BIOS_DDC_LINE__ZV_LCDPAD:
i2c_reg = VIPPAD1_EN;
break;
default:
i2c_reg = 0;
break;
}
added = 0;
switch (connector_type) {
case BIOS_CONNECTOR_TYPE__CRT:
ret = radeon_ms_combios_connector_add(dev, c,
ConnectorVGA,
i2c_reg);
if (ret) {
return ret;
}
added = 1;
break;
case BIOS_CONNECTOR_TYPE__DVI_I:
ret = radeon_ms_combios_connector_add(dev, c,
ConnectorDVII,
i2c_reg);
if (ret) {
return ret;
}
added = 1;
break;
case BIOS_CONNECTOR_TYPE__DVI_D:
ret = radeon_ms_combios_connector_add(dev, c,
ConnectorDVID,
i2c_reg);
if (ret) {
return ret;
}
added = 1;
break;
default:
break;
}
if (added) {
j = 0;
/* find to which output this connector is associated
* by following same algo as in:
* radeon_ms_outputs_from_combios*/
switch (dac_type) {
case BIOS_DAC_TYPE__CRT:
if (dac1 == -1) {
dac1 = c;
}
dev_priv->connectors[c]->outputs[j++] = dac1;
break;
case BIOS_DAC_TYPE__NON_CRT:
if (dac2 == -1) {
dac2 = c;
}
dev_priv->connectors[c]->outputs[j++] = dac2;
break;
}
#if 0
switch (tmds_type) {
case BIOS_TMDS_TYPE__INTERNAL:
if (tmdsint == -1) {
tmdsint = c;
}
dev_priv->connectors[c]->outputs[j++] = tmdsint;
break;
case BIOS_TMDS_TYPE__EXTERNAL:
if (tmdsext == -1) {
tmdsext = c;
}
dev_priv->connectors[c]->outputs[j++] = tmdsext;
break;
}
#endif
c++;
}
}
return c;
}
int radeon_ms_outputs_from_combios(struct drm_device *dev)
{
struct drm_radeon_private *dev_priv = dev->dev_private;
struct combios_connector_chip_info *connector_chip_info;
int connector_type, ddc_line, tmds_type, dac_type;
int numof_connector, i, dac1_present, dac2_present, c = 0;
int ret;
dac1_present = dac2_present = 0;
connector_chip_info = radeon_ms_combios_get_connector_chip_info(dev, 1);
if (connector_chip_info == NULL) {
return -1;
}
numof_connector = (connector_chip_info->ucChipHeader &
BIOS_CHIPINFO_HEADER__NUMBER_OF_CONNECTORS__MASK) >>
BIOS_CHIPINFO_HEADER__NUMBER_OF_CONNECTORS__SHIFT;
DRM_INFO("[radeon_ms] COMBIOS number of connector: %d\n",
numof_connector);
for (i = 0; i < numof_connector; i++) {
int connector_info = connector_chip_info->sConnectorInfo[i];
ret = radeon_combios_get_connector_infos(dev,
connector_info,
&connector_type,
&ddc_line,
&tmds_type,
&dac_type);
if (!dac1_present && dac_type == BIOS_DAC_TYPE__CRT) {
dev_priv->outputs[c] =
drm_alloc(sizeof(struct radeon_ms_output),
DRM_MEM_DRIVER);
if (dev_priv->outputs[c] == NULL) {
radeon_ms_outputs_destroy(dev);
return -ENOMEM;
}
memcpy(dev_priv->outputs[c], &radeon_ms_dac1,
sizeof(struct radeon_ms_output));
dev_priv->outputs[c]->dev = dev;
dev_priv->outputs[c]->initialize(dev_priv->outputs[c]);
dac1_present = 1;
c++;
}
if (!dac2_present && dac_type == BIOS_DAC_TYPE__NON_CRT) {
dev_priv->outputs[c] =
drm_alloc(sizeof(struct radeon_ms_output),
DRM_MEM_DRIVER);
if (dev_priv->outputs[c] == NULL) {
radeon_ms_outputs_destroy(dev);
return -ENOMEM;
}
memcpy(dev_priv->outputs[c], &radeon_ms_dac2,
sizeof(struct radeon_ms_output));
dev_priv->outputs[c]->dev = dev;
dev_priv->outputs[c]->initialize(dev_priv->outputs[c]);
dac1_present = 1;
c++;
}
}
return c;
}