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Porting DVO stuff 

Ported from Xorg intel 2d driver. Changed interfaces definitions, which needed
to be changed later if other device wants to use these DVO stuff.
main
Hong Liu 2008-04-17 16:51:00 +08:00 committed by Jesse Barnes
parent 6cc2d7e7ae
commit 21a93915d8
11 changed files with 2606 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
linux-core/Makefile.kernel
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@ -22,7 +22,8 @@ i810-objs := i810_drv.o i810_dma.o
i915-objs := i915_drv.o i915_dma.o i915_irq.o i915_mem.o i915_fence.o \
i915_buffer.o intel_display.o intel_crt.o intel_lvds.o \
intel_sdvo.o intel_modes.o intel_i2c.o i915_init.o intel_fb.o \
intel_tv.o i915_compat.o
intel_tv.o i915_compat.o intel_dvo.o dvo_ch7xxx.o \
dvo_ch7017.o dvo_ivch.o dvo_tfp410.o dvo_sil164.o
nouveau-objs := nouveau_drv.o nouveau_state.o nouveau_fifo.o nouveau_mem.o \
nouveau_object.o nouveau_irq.o nouveau_notifier.o nouveau_swmthd.o \
nouveau_sgdma.o nouveau_dma.o nouveau_buffer.o nouveau_fence.o \

159
linux-core/dvo.h Normal file
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@ -0,0 +1,159 @@
/*
* Copyright © 2006 Eric Anholt
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#ifndef _INTEL_DVO_H
#define _INTEL_DVO_H
#include <linux/i2c.h>
#include "drmP.h"
#include "drm.h"
#include "drm_crtc.h"
#include "intel_drv.h"
struct intel_dvo_device {
char *name;
int type;
/* DVOA/B/C output register */
u32 dvo_reg;
/* GPIO register used for i2c bus to control this device */
u32 gpio;
int slave_addr;
struct intel_i2c_chan *i2c_bus;
const struct intel_dvo_dev_ops *dev_ops;
void *dev_priv;
struct drm_display_mode *panel_fixed_mode;
bool panel_wants_dither;
};
struct intel_dvo_dev_ops {
/*
* Initialize the device at startup time.
* Returns NULL if the device does not exist.
*/
bool (*init)(struct intel_dvo_device *dvo,
struct intel_i2c_chan *i2cbus);
/*
* Called to allow the output a chance to create properties after the
* RandR objects have been created.
*/
void (*create_resources)(struct intel_dvo_device *dvo);
/*
* Turn on/off output or set intermediate power levels if available.
*
* Unsupported intermediate modes drop to the lower power setting.
* If the mode is DPMSModeOff, the output must be disabled,
* as the DPLL may be disabled afterwards.
*/
void (*dpms)(struct intel_dvo_device *dvo, int mode);
/*
* Saves the output's state for restoration on VT switch.
*/
void (*save)(struct intel_dvo_device *dvo);
/*
* Restore's the output's state at VT switch.
*/
void (*restore)(struct intel_dvo_device *dvo);
/*
* Callback for testing a video mode for a given output.
*
* This function should only check for cases where a mode can't
* be supported on the output specifically, and not represent
* generic CRTC limitations.
*
* \return MODE_OK if the mode is valid, or another MODE_* otherwise.
*/
int (*mode_valid)(struct intel_dvo_device *dvo,
struct drm_display_mode *mode);
/*
* Callback to adjust the mode to be set in the CRTC.
*
* This allows an output to adjust the clock or even the entire set of
* timings, which is used for panels with fixed timings or for
* buses with clock limitations.
*/
bool (*mode_fixup)(struct intel_dvo_device *dvo,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
/*
* Callback for preparing mode changes on an output
*/
void (*prepare)(struct intel_dvo_device *dvo);
/*
* Callback for committing mode changes on an output
*/
void (*commit)(struct intel_dvo_device *dvo);
/*
* Callback for setting up a video mode after fixups have been made.
*
* This is only called while the output is disabled. The dpms callback
* must be all that's necessary for the output, to turn the output on
* after this function is called.
*/
void (*mode_set)(struct intel_dvo_device *dvo,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
/*
* Probe for a connected output, and return detect_status.
*/
enum drm_output_status (*detect)(struct intel_dvo_device *dvo);
/**
* Query the device for the modes it provides.
*
* This function may also update MonInfo, mm_width, and mm_height.
*
* \return singly-linked list of modes or NULL if no modes found.
*/
struct drm_display_mode *(*get_modes)(struct intel_dvo_device *dvo);
#ifdef RANDR_12_INTERFACE
/**
* Callback when an output's property has changed.
*/
bool (*set_property)(struct intel_dvo_device *dvo,
struct drm_property *property, uint64_t val);
#endif
/**
* Clean up driver-specific bits of the output
*/
void (*destroy) (struct intel_dvo_device *dvo);
/**
* Debugging hook to dump device registers to log file
*/
void (*dump_regs)(struct intel_dvo_device *dvo);
};
#endif /* _INTEL_DVO_H */

454
linux-core/dvo_ch7017.c Normal file
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@ -0,0 +1,454 @@
/*
* Copyright © 2006 Intel Corporation
*
* 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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:
* Eric Anholt <eric@anholt.net>
*
*/
#include "dvo.h"
#define CH7017_TV_DISPLAY_MODE 0x00
#define CH7017_FLICKER_FILTER 0x01
#define CH7017_VIDEO_BANDWIDTH 0x02
#define CH7017_TEXT_ENHANCEMENT 0x03
#define CH7017_START_ACTIVE_VIDEO 0x04
#define CH7017_HORIZONTAL_POSITION 0x05
#define CH7017_VERTICAL_POSITION 0x06
#define CH7017_BLACK_LEVEL 0x07
#define CH7017_CONTRAST_ENHANCEMENT 0x08
#define CH7017_TV_PLL 0x09
#define CH7017_TV_PLL_M 0x0a
#define CH7017_TV_PLL_N 0x0b
#define CH7017_SUB_CARRIER_0 0x0c
#define CH7017_CIV_CONTROL 0x10
#define CH7017_CIV_0 0x11
#define CH7017_CHROMA_BOOST 0x14
#define CH7017_CLOCK_MODE 0x1c
#define CH7017_INPUT_CLOCK 0x1d
#define CH7017_GPIO_CONTROL 0x1e
#define CH7017_INPUT_DATA_FORMAT 0x1f
#define CH7017_CONNECTION_DETECT 0x20
#define CH7017_DAC_CONTROL 0x21
#define CH7017_BUFFERED_CLOCK_OUTPUT 0x22
#define CH7017_DEFEAT_VSYNC 0x47
#define CH7017_TEST_PATTERN 0x48
#define CH7017_POWER_MANAGEMENT 0x49
/** Enables the TV output path. */
#define CH7017_TV_EN (1 << 0)
#define CH7017_DAC0_POWER_DOWN (1 << 1)
#define CH7017_DAC1_POWER_DOWN (1 << 2)
#define CH7017_DAC2_POWER_DOWN (1 << 3)
#define CH7017_DAC3_POWER_DOWN (1 << 4)
/** Powers down the TV out block, and DAC0-3 */
#define CH7017_TV_POWER_DOWN_EN (1 << 5)
#define CH7017_VERSION_ID 0x4a
#define CH7017_DEVICE_ID 0x4b
#define CH7017_DEVICE_ID_VALUE 0x1b
#define CH7018_DEVICE_ID_VALUE 0x1a
#define CH7019_DEVICE_ID_VALUE 0x19
#define CH7017_XCLK_D2_ADJUST 0x53
#define CH7017_UP_SCALER_COEFF_0 0x55
#define CH7017_UP_SCALER_COEFF_1 0x56
#define CH7017_UP_SCALER_COEFF_2 0x57
#define CH7017_UP_SCALER_COEFF_3 0x58
#define CH7017_UP_SCALER_COEFF_4 0x59
#define CH7017_UP_SCALER_VERTICAL_INC_0 0x5a
#define CH7017_UP_SCALER_VERTICAL_INC_1 0x5b
#define CH7017_GPIO_INVERT 0x5c
#define CH7017_UP_SCALER_HORIZONTAL_INC_0 0x5d
#define CH7017_UP_SCALER_HORIZONTAL_INC_1 0x5e
#define CH7017_HORIZONTAL_ACTIVE_PIXEL_INPUT 0x5f
/**< Low bits of horizontal active pixel input */
#define CH7017_ACTIVE_INPUT_LINE_OUTPUT 0x60
/** High bits of horizontal active pixel input */
#define CH7017_LVDS_HAP_INPUT_MASK (0x7 << 0)
/** High bits of vertical active line output */
#define CH7017_LVDS_VAL_HIGH_MASK (0x7 << 3)
#define CH7017_VERTICAL_ACTIVE_LINE_OUTPUT 0x61
/**< Low bits of vertical active line output */
#define CH7017_HORIZONTAL_ACTIVE_PIXEL_OUTPUT 0x62
/**< Low bits of horizontal active pixel output */
#define CH7017_LVDS_POWER_DOWN 0x63
/** High bits of horizontal active pixel output */
#define CH7017_LVDS_HAP_HIGH_MASK (0x7 << 0)
/** Enables the LVDS power down state transition */
#define CH7017_LVDS_POWER_DOWN_EN (1 << 6)
/** Enables the LVDS upscaler */
#define CH7017_LVDS_UPSCALER_EN (1 << 7)
#define CH7017_LVDS_POWER_DOWN_DEFAULT_RESERVED 0x08
#define CH7017_LVDS_ENCODING 0x64
#define CH7017_LVDS_DITHER_2D (1 << 2)
#define CH7017_LVDS_DITHER_DIS (1 << 3)
#define CH7017_LVDS_DUAL_CHANNEL_EN (1 << 4)
#define CH7017_LVDS_24_BIT (1 << 5)
#define CH7017_LVDS_ENCODING_2 0x65
#define CH7017_LVDS_PLL_CONTROL 0x66
/** Enables the LVDS panel output path */
#define CH7017_LVDS_PANEN (1 << 0)
/** Enables the LVDS panel backlight */
#define CH7017_LVDS_BKLEN (1 << 3)
#define CH7017_POWER_SEQUENCING_T1 0x67
#define CH7017_POWER_SEQUENCING_T2 0x68
#define CH7017_POWER_SEQUENCING_T3 0x69
#define CH7017_POWER_SEQUENCING_T4 0x6a
#define CH7017_POWER_SEQUENCING_T5 0x6b
#define CH7017_GPIO_DRIVER_TYPE 0x6c
#define CH7017_GPIO_DATA 0x6d
#define CH7017_GPIO_DIRECTION_CONTROL 0x6e
#define CH7017_LVDS_PLL_FEEDBACK_DIV 0x71
# define CH7017_LVDS_PLL_FEED_BACK_DIVIDER_SHIFT 4
# define CH7017_LVDS_PLL_FEED_FORWARD_DIVIDER_SHIFT 0
# define CH7017_LVDS_PLL_FEEDBACK_DEFAULT_RESERVED 0x80
#define CH7017_LVDS_PLL_VCO_CONTROL 0x72
# define CH7017_LVDS_PLL_VCO_DEFAULT_RESERVED 0x80
# define CH7017_LVDS_PLL_VCO_SHIFT 4
# define CH7017_LVDS_PLL_POST_SCALE_DIV_SHIFT 0
#define CH7017_OUTPUTS_ENABLE 0x73
# define CH7017_CHARGE_PUMP_LOW 0x0
# define CH7017_CHARGE_PUMP_HIGH 0x3
# define CH7017_LVDS_CHANNEL_A (1 << 3)
# define CH7017_LVDS_CHANNEL_B (1 << 4)
# define CH7017_TV_DAC_A (1 << 5)
# define CH7017_TV_DAC_B (1 << 6)
# define CH7017_DDC_SELECT_DC2 (1 << 7)
#define CH7017_LVDS_OUTPUT_AMPLITUDE 0x74
#define CH7017_LVDS_PLL_EMI_REDUCTION 0x75
#define CH7017_LVDS_POWER_DOWN_FLICKER 0x76
#define CH7017_LVDS_CONTROL_2 0x78
# define CH7017_LOOP_FILTER_SHIFT 5
# define CH7017_PHASE_DETECTOR_SHIFT 0
#define CH7017_BANG_LIMIT_CONTROL 0x7f
struct ch7017_priv {
uint8_t save_hapi;
uint8_t save_vali;
uint8_t save_valo;
uint8_t save_ailo;
uint8_t save_lvds_pll_vco;
uint8_t save_feedback_div;
uint8_t save_lvds_control_2;
uint8_t save_outputs_enable;
uint8_t save_lvds_power_down;
uint8_t save_power_management;
};
static void ch7017_dump_regs(struct intel_dvo_device *dvo);
static void ch7017_dpms(struct intel_dvo_device *dvo, int mode);
static bool ch7017_read(struct intel_dvo_device *dvo, int addr, uint8_t *val)
{
struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
u8 out_buf[2];
u8 in_buf[2];
struct i2c_msg msgs[] = {
{
.addr = i2cbus->slave_addr,
.flags = 0,
.len = 1,
.buf = out_buf,
},
{
.addr = i2cbus->slave_addr,
.flags = I2C_M_RD,
.len = 1,
.buf = in_buf,
}
};
out_buf[0] = addr;
out_buf[1] = 0;
if (i2c_transfer(&i2cbus->adapter, msgs, 2) == 2) {
*val= in_buf[0];
return true;
};
return false;
}
static bool ch7017_write(struct intel_dvo_device *dvo, int addr, uint8_t val)
{
struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
uint8_t out_buf[2];
struct i2c_msg msg = {
.addr = i2cbus->slave_addr,
.flags = 0,
.len = 2,
.buf = out_buf,
};
out_buf[0] = addr;
out_buf[1] = val;
if (i2c_transfer(&i2cbus->adapter, &msg, 1) == 1)
return true;
return false;
}
/** Probes for a CH7017 on the given bus and slave address. */
static bool ch7017_init(struct intel_dvo_device *dvo,
struct intel_i2c_chan *i2cbus)
{
struct ch7017_priv *priv;
uint8_t val;
priv = kzalloc(sizeof(struct ch7017_priv), GFP_KERNEL);
if (priv == NULL)
return false;
dvo->i2c_bus = i2cbus;
dvo->i2c_bus->slave_addr = dvo->slave_addr;
dvo->dev_priv = priv;
if (!ch7017_read(dvo, CH7017_DEVICE_ID, &val))
goto fail;
if (val != CH7017_DEVICE_ID_VALUE &&
val != CH7018_DEVICE_ID_VALUE &&
val != CH7019_DEVICE_ID_VALUE) {
DRM_DEBUG("ch701x not detected, got %d: from %s Slave %d.\n",
val, i2cbus->adapter.name,i2cbus->slave_addr);
goto fail;
}
return true;
fail:
kfree(priv);
return false;
}
static enum drm_output_status ch7017_detect(struct intel_dvo_device *dvo)
{
return output_status_unknown;
}
static enum drm_mode_status ch7017_mode_valid(struct intel_dvo_device *dvo,
struct drm_display_mode *mode)
{
if (mode->clock > 160000)
return MODE_CLOCK_HIGH;
return MODE_OK;
}
static void ch7017_mode_set(struct intel_dvo_device *dvo,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
uint8_t lvds_pll_feedback_div, lvds_pll_vco_control;
uint8_t outputs_enable, lvds_control_2, lvds_power_down;
uint8_t horizontal_active_pixel_input;
uint8_t horizontal_active_pixel_output, vertical_active_line_output;
uint8_t active_input_line_output;
DRM_DEBUG("Registers before mode setting\n");
ch7017_dump_regs(dvo);
/* LVDS PLL settings from page 75 of 7017-7017ds.pdf*/
if (mode->clock < 100000) {
outputs_enable = CH7017_LVDS_CHANNEL_A | CH7017_CHARGE_PUMP_LOW;
lvds_pll_feedback_div = CH7017_LVDS_PLL_FEEDBACK_DEFAULT_RESERVED |
(2 << CH7017_LVDS_PLL_FEED_BACK_DIVIDER_SHIFT) |
(13 << CH7017_LVDS_PLL_FEED_FORWARD_DIVIDER_SHIFT);
lvds_pll_vco_control = CH7017_LVDS_PLL_VCO_DEFAULT_RESERVED |
(2 << CH7017_LVDS_PLL_VCO_SHIFT) |
(3 << CH7017_LVDS_PLL_POST_SCALE_DIV_SHIFT);
lvds_control_2 = (1 << CH7017_LOOP_FILTER_SHIFT) |
(0 << CH7017_PHASE_DETECTOR_SHIFT);
} else {
outputs_enable = CH7017_LVDS_CHANNEL_A | CH7017_CHARGE_PUMP_HIGH;
lvds_pll_feedback_div = CH7017_LVDS_PLL_FEEDBACK_DEFAULT_RESERVED |
(2 << CH7017_LVDS_PLL_FEED_BACK_DIVIDER_SHIFT) |
(3 << CH7017_LVDS_PLL_FEED_FORWARD_DIVIDER_SHIFT);
lvds_pll_feedback_div = 35;
lvds_control_2 = (3 << CH7017_LOOP_FILTER_SHIFT) |
(0 << CH7017_PHASE_DETECTOR_SHIFT);
if (1) { /* XXX: dual channel panel detection. Assume yes for now. */
outputs_enable |= CH7017_LVDS_CHANNEL_B;
lvds_pll_vco_control = CH7017_LVDS_PLL_VCO_DEFAULT_RESERVED |
(2 << CH7017_LVDS_PLL_VCO_SHIFT) |
(13 << CH7017_LVDS_PLL_POST_SCALE_DIV_SHIFT);
} else {
lvds_pll_vco_control = CH7017_LVDS_PLL_VCO_DEFAULT_RESERVED |
(1 << CH7017_LVDS_PLL_VCO_SHIFT) |
(13 << CH7017_LVDS_PLL_POST_SCALE_DIV_SHIFT);
}
}
horizontal_active_pixel_input = mode->hdisplay & 0x00ff;
vertical_active_line_output = mode->vdisplay & 0x00ff;
horizontal_active_pixel_output = mode->hdisplay & 0x00ff;
active_input_line_output = ((mode->hdisplay & 0x0700) >> 8) |
(((mode->vdisplay & 0x0700) >> 8) << 3);
lvds_power_down = CH7017_LVDS_POWER_DOWN_DEFAULT_RESERVED |
(mode->hdisplay & 0x0700) >> 8;
ch7017_dpms(dvo, DPMSModeOff);
ch7017_write(dvo, CH7017_HORIZONTAL_ACTIVE_PIXEL_INPUT,
horizontal_active_pixel_input);
ch7017_write(dvo, CH7017_HORIZONTAL_ACTIVE_PIXEL_OUTPUT,
horizontal_active_pixel_output);
ch7017_write(dvo, CH7017_VERTICAL_ACTIVE_LINE_OUTPUT,
vertical_active_line_output);
ch7017_write(dvo, CH7017_ACTIVE_INPUT_LINE_OUTPUT,
active_input_line_output);
ch7017_write(dvo, CH7017_LVDS_PLL_VCO_CONTROL, lvds_pll_vco_control);
ch7017_write(dvo, CH7017_LVDS_PLL_FEEDBACK_DIV, lvds_pll_feedback_div);
ch7017_write(dvo, CH7017_LVDS_CONTROL_2, lvds_control_2);
ch7017_write(dvo, CH7017_OUTPUTS_ENABLE, outputs_enable);
/* Turn the LVDS back on with new settings. */
ch7017_write(dvo, CH7017_LVDS_POWER_DOWN, lvds_power_down);
DRM_DEBUG("Registers after mode setting\n");
ch7017_dump_regs(dvo);
}
/* set the CH7017 power state */
static void ch7017_dpms(struct intel_dvo_device *dvo, int mode)
{
uint8_t val;
ch7017_read(dvo, CH7017_LVDS_POWER_DOWN, &val);
/* Turn off TV/VGA, and never turn it on since we don't support it. */
ch7017_write(dvo, CH7017_POWER_MANAGEMENT,
CH7017_DAC0_POWER_DOWN |
CH7017_DAC1_POWER_DOWN |
CH7017_DAC2_POWER_DOWN |
CH7017_DAC3_POWER_DOWN |
CH7017_TV_POWER_DOWN_EN);
if (mode == DPMSModeOn) {
/* Turn on the LVDS */
ch7017_write(dvo, CH7017_LVDS_POWER_DOWN,
val & ~CH7017_LVDS_POWER_DOWN_EN);
} else {
/* Turn off the LVDS */
ch7017_write(dvo, CH7017_LVDS_POWER_DOWN,
val | CH7017_LVDS_POWER_DOWN_EN);
}
/* XXX: Should actually wait for update power status somehow */
udelay(20000);
}
static void ch7017_dump_regs(struct intel_dvo_device *dvo)
{
uint8_t val;
#define DUMP(reg) \
do { \
ch7017_read(dvo, reg, &val); \
DRM_DEBUG(#reg ": %02x\n", val); \
} while (0)
DUMP(CH7017_HORIZONTAL_ACTIVE_PIXEL_INPUT);
DUMP(CH7017_HORIZONTAL_ACTIVE_PIXEL_OUTPUT);
DUMP(CH7017_VERTICAL_ACTIVE_LINE_OUTPUT);
DUMP(CH7017_ACTIVE_INPUT_LINE_OUTPUT);
DUMP(CH7017_LVDS_PLL_VCO_CONTROL);
DUMP(CH7017_LVDS_PLL_FEEDBACK_DIV);
DUMP(CH7017_LVDS_CONTROL_2);
DUMP(CH7017_OUTPUTS_ENABLE);
DUMP(CH7017_LVDS_POWER_DOWN);
}
static void ch7017_save(struct intel_dvo_device *dvo)
{
struct ch7017_priv *priv = dvo->dev_priv;
ch7017_read(dvo, CH7017_HORIZONTAL_ACTIVE_PIXEL_INPUT, &priv->save_hapi);
ch7017_read(dvo, CH7017_VERTICAL_ACTIVE_LINE_OUTPUT, &priv->save_valo);
ch7017_read(dvo, CH7017_ACTIVE_INPUT_LINE_OUTPUT, &priv->save_ailo);
ch7017_read(dvo, CH7017_LVDS_PLL_VCO_CONTROL, &priv->save_lvds_pll_vco);
ch7017_read(dvo, CH7017_LVDS_PLL_FEEDBACK_DIV, &priv->save_feedback_div);
ch7017_read(dvo, CH7017_LVDS_CONTROL_2, &priv->save_lvds_control_2);
ch7017_read(dvo, CH7017_OUTPUTS_ENABLE, &priv->save_outputs_enable);
ch7017_read(dvo, CH7017_LVDS_POWER_DOWN, &priv->save_lvds_power_down);
ch7017_read(dvo, CH7017_POWER_MANAGEMENT, &priv->save_power_management);
}
static void ch7017_restore(struct intel_dvo_device *dvo)
{
struct ch7017_priv *priv = dvo->dev_priv;
/* Power down before changing mode */
ch7017_dpms(dvo, DPMSModeOff);
ch7017_write(dvo, CH7017_HORIZONTAL_ACTIVE_PIXEL_INPUT, priv->save_hapi);
ch7017_write(dvo, CH7017_VERTICAL_ACTIVE_LINE_OUTPUT, priv->save_valo);
ch7017_write(dvo, CH7017_ACTIVE_INPUT_LINE_OUTPUT, priv->save_ailo);
ch7017_write(dvo, CH7017_LVDS_PLL_VCO_CONTROL, priv->save_lvds_pll_vco);
ch7017_write(dvo, CH7017_LVDS_PLL_FEEDBACK_DIV, priv->save_feedback_div);
ch7017_write(dvo, CH7017_LVDS_CONTROL_2, priv->save_lvds_control_2);
ch7017_write(dvo, CH7017_OUTPUTS_ENABLE, priv->save_outputs_enable);
ch7017_write(dvo, CH7017_LVDS_POWER_DOWN, priv->save_lvds_power_down);
ch7017_write(dvo, CH7017_POWER_MANAGEMENT, priv->save_power_management);
}
static void ch7017_destroy(struct intel_dvo_device *dvo)
{
struct ch7017_priv *priv = dvo->dev_priv;
if (priv) {
kfree(priv);
dvo->dev_priv = NULL;
}
}
struct intel_dvo_dev_ops ch7017_ops = {
.init = ch7017_init,
.detect = ch7017_detect,
.mode_valid = ch7017_mode_valid,
.mode_set = ch7017_mode_set,
.dpms = ch7017_dpms,
.dump_regs = ch7017_dump_regs,
.save = ch7017_save,
.restore = ch7017_restore,
.destroy = ch7017_destroy,
};

368
linux-core/dvo_ch7xxx.c Normal file
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/**************************************************************************
Copyright © 2006 Dave Airlie
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, sub license, 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 NON-INFRINGEMENT.
IN NO EVENT SHALL THE AUTHOR 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.
**************************************************************************/
#include "dvo.h"
#define CH7xxx_REG_VID 0x4a
#define CH7xxx_REG_DID 0x4b
#define CH7011_VID 0x83 /* 7010 as well */
#define CH7009A_VID 0x84
#define CH7009B_VID 0x85
#define CH7301_VID 0x95
#define CH7xxx_VID 0x84
#define CH7xxx_DID 0x17
#define CH7xxx_NUM_REGS 0x4c
#define CH7xxx_CM 0x1c
#define CH7xxx_CM_XCM (1<<0)
#define CH7xxx_CM_MCP (1<<2)
#define CH7xxx_INPUT_CLOCK 0x1d
#define CH7xxx_GPIO 0x1e
#define CH7xxx_GPIO_HPIR (1<<3)
#define CH7xxx_IDF 0x1f
#define CH7xxx_IDF_HSP (1<<3)
#define CH7xxx_IDF_VSP (1<<4)
#define CH7xxx_CONNECTION_DETECT 0x20
#define CH7xxx_CDET_DVI (1<<5)
#define CH7301_DAC_CNTL 0x21
#define CH7301_HOTPLUG 0x23
#define CH7xxx_TCTL 0x31
#define CH7xxx_TVCO 0x32
#define CH7xxx_TPCP 0x33
#define CH7xxx_TPD 0x34
#define CH7xxx_TPVT 0x35
#define CH7xxx_TLPF 0x36
#define CH7xxx_TCT 0x37
#define CH7301_TEST_PATTERN 0x48
#define CH7xxx_PM 0x49
#define CH7xxx_PM_FPD (1<<0)
#define CH7301_PM_DACPD0 (1<<1)
#define CH7301_PM_DACPD1 (1<<2)
#define CH7301_PM_DACPD2 (1<<3)
#define CH7xxx_PM_DVIL (1<<6)
#define CH7xxx_PM_DVIP (1<<7)
#define CH7301_SYNC_POLARITY 0x56
#define CH7301_SYNC_RGB_YUV (1<<0)
#define CH7301_SYNC_POL_DVI (1<<5)
/** @file
* driver for the Chrontel 7xxx DVI chip over DVO.
*/
static struct ch7xxx_id_struct {
uint8_t vid;
char *name;
} ch7xxx_ids[] = {
{ CH7011_VID, "CH7011" },
{ CH7009A_VID, "CH7009A" },
{ CH7009B_VID, "CH7009B" },
{ CH7301_VID, "CH7301" },
};
struct ch7xxx_reg_state {
uint8_t regs[CH7xxx_NUM_REGS];
};
struct ch7xxx_priv {
bool quiet;
struct ch7xxx_reg_state save_reg;
struct ch7xxx_reg_state mode_reg;
uint8_t save_TCTL, save_TPCP, save_TPD, save_TPVT;
uint8_t save_TLPF, save_TCT, save_PM, save_IDF;
};
static void ch7xxx_save(struct intel_dvo_device *dvo);
static char *ch7xxx_get_id(uint8_t vid)
{
int i;
for (i = 0; i < ARRAY_SIZE(ch7xxx_ids); i++) {
if (ch7xxx_ids[i].vid == vid)
return ch7xxx_ids[i].name;
}
return NULL;
}
/** Reads an 8 bit register */
static bool ch7xxx_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)
{
struct ch7xxx_priv *ch7xxx= dvo->dev_priv;
struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
u8 out_buf[2];
u8 in_buf[2];
struct i2c_msg msgs[] = {
{
.addr = i2cbus->slave_addr,
.flags = 0,
.len = 1,
.buf = out_buf,
},
{
.addr = i2cbus->slave_addr,
.flags = I2C_M_RD,
.len = 1,
.buf = in_buf,
}
};
out_buf[0] = addr;
out_buf[1] = 0;
if (i2c_transfer(&i2cbus->adapter, msgs, 2) == 2) {
*ch = in_buf[0];
return true;
};
if (!ch7xxx->quiet) {
DRM_DEBUG("Unable to read register 0x%02x from %s:%02x.\n",
addr, i2cbus->adapter.name, i2cbus->slave_addr);
}
return false;
}
/** Writes an 8 bit register */
static bool ch7xxx_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)
{
struct ch7xxx_priv *ch7xxx = dvo->dev_priv;
struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
uint8_t out_buf[2];
struct i2c_msg msg = {
.addr = i2cbus->slave_addr,
.flags = 0,
.len = 2,
.buf = out_buf,
};
out_buf[0] = addr;
out_buf[1] = ch;
if (i2c_transfer(&i2cbus->adapter, &msg, 1) == 1)
return true;
if (!ch7xxx->quiet) {
DRM_DEBUG("Unable to write register 0x%02x to %s:%d.\n",
addr, i2cbus->adapter.name, i2cbus->slave_addr);
}
return false;
}
static bool ch7xxx_init(struct intel_dvo_device *dvo,
struct intel_i2c_chan *i2cbus)
{
/* this will detect the CH7xxx chip on the specified i2c bus */
struct ch7xxx_priv *ch7xxx;
uint8_t vendor, device;
char *name;
ch7xxx = kzalloc(sizeof(struct ch7xxx_priv), GFP_KERNEL);
if (ch7xxx == NULL)
return false;
dvo->i2c_bus = i2cbus;
dvo->i2c_bus->slave_addr = dvo->slave_addr;
dvo->dev_priv = ch7xxx;
ch7xxx->quiet = true;
if (!ch7xxx_readb(dvo, CH7xxx_REG_VID, &vendor))
goto out;
name = ch7xxx_get_id(vendor);
if (!name) {
DRM_DEBUG("ch7xxx not detected; got 0x%02x from %s slave %d.\n",
vendor, i2cbus->adapter.name, i2cbus->slave_addr);
goto out;
}
if (!ch7xxx_readb(dvo, CH7xxx_REG_DID, &device))
goto out;
if (device != CH7xxx_DID) {
DRM_DEBUG("ch7xxx not detected; got 0x%02x from %s slave %d.\n",
vendor, i2cbus->adapter.name, i2cbus->slave_addr);
goto out;
}
ch7xxx->quiet = FALSE;
DRM_DEBUG("Detected %s chipset, vendor/device ID 0x%02x/0x%02x\n",
name, vendor, device);
return true;
out:
kfree(ch7xxx);
return false;
}
static enum drm_output_status ch7xxx_detect(struct intel_dvo_device *dvo)
{
uint8_t cdet, orig_pm, pm;
ch7xxx_readb(dvo, CH7xxx_PM, &orig_pm);
pm = orig_pm;
pm &= ~CH7xxx_PM_FPD;
pm |= CH7xxx_PM_DVIL | CH7xxx_PM_DVIP;
ch7xxx_writeb(dvo, CH7xxx_PM, pm);
ch7xxx_readb(dvo, CH7xxx_CONNECTION_DETECT, &cdet);
ch7xxx_writeb(dvo, CH7xxx_PM, orig_pm);
if (cdet & CH7xxx_CDET_DVI)
return output_status_connected;
return output_status_disconnected;
}
static enum drm_mode_status ch7xxx_mode_valid(struct intel_dvo_device *dvo,
struct drm_display_mode *mode)
{
if (mode->clock > 165000)
return MODE_CLOCK_HIGH;
return MODE_OK;
}
static void ch7xxx_mode_set(struct intel_dvo_device *dvo,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
uint8_t tvco, tpcp, tpd, tlpf, idf;
if (mode->clock <= 65000) {
tvco = 0x23;
tpcp = 0x08;
tpd = 0x16;
tlpf = 0x60;
} else {
tvco = 0x2d;
tpcp = 0x06;
tpd = 0x26;
tlpf = 0xa0;
}
ch7xxx_writeb(dvo, CH7xxx_TCTL, 0x00);
ch7xxx_writeb(dvo, CH7xxx_TVCO, tvco);
ch7xxx_writeb(dvo, CH7xxx_TPCP, tpcp);
ch7xxx_writeb(dvo, CH7xxx_TPD, tpd);
ch7xxx_writeb(dvo, CH7xxx_TPVT, 0x30);
ch7xxx_writeb(dvo, CH7xxx_TLPF, tlpf);
ch7xxx_writeb(dvo, CH7xxx_TCT, 0x00);
ch7xxx_readb(dvo, CH7xxx_IDF, &idf);
idf &= ~(CH7xxx_IDF_HSP | CH7xxx_IDF_VSP);
if (mode->flags & V_PHSYNC)
idf |= CH7xxx_IDF_HSP;
if (mode->flags & V_PVSYNC)
idf |= CH7xxx_IDF_HSP;
ch7xxx_writeb(dvo, CH7xxx_IDF, idf);
}
/* set the CH7xxx power state */
static void ch7xxx_dpms(struct intel_dvo_device *dvo, int mode)
{
if (mode == DPMSModeOn)
ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_DVIL | CH7xxx_PM_DVIP);
else
ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_FPD);
}
static void ch7xxx_dump_regs(struct intel_dvo_device *dvo)
{
struct ch7xxx_priv *ch7xxx = dvo->dev_priv;
int i;
for (i = 0; i < CH7xxx_NUM_REGS; i++) {
if ((i % 8) == 0 )
DRM_DEBUG("\n %02X: ", i);
DRM_DEBUG("%02X ", ch7xxx->mode_reg.regs[i]);
}
}
static void ch7xxx_save(struct intel_dvo_device *dvo)
{
struct ch7xxx_priv *ch7xxx= dvo->dev_priv;
ch7xxx_readb(dvo, CH7xxx_TCTL, &ch7xxx->save_TCTL);
ch7xxx_readb(dvo, CH7xxx_TPCP, &ch7xxx->save_TPCP);
ch7xxx_readb(dvo, CH7xxx_TPD, &ch7xxx->save_TPD);
ch7xxx_readb(dvo, CH7xxx_TPVT, &ch7xxx->save_TPVT);
ch7xxx_readb(dvo, CH7xxx_TLPF, &ch7xxx->save_TLPF);
ch7xxx_readb(dvo, CH7xxx_PM, &ch7xxx->save_PM);
ch7xxx_readb(dvo, CH7xxx_IDF, &ch7xxx->save_IDF);
}
static void ch7xxx_restore(struct intel_dvo_device *dvo)
{
struct ch7xxx_priv *ch7xxx = dvo->dev_priv;
ch7xxx_writeb(dvo, CH7xxx_TCTL, ch7xxx->save_TCTL);
ch7xxx_writeb(dvo, CH7xxx_TPCP, ch7xxx->save_TPCP);
ch7xxx_writeb(dvo, CH7xxx_TPD, ch7xxx->save_TPD);
ch7xxx_writeb(dvo, CH7xxx_TPVT, ch7xxx->save_TPVT);
ch7xxx_writeb(dvo, CH7xxx_TLPF, ch7xxx->save_TLPF);
ch7xxx_writeb(dvo, CH7xxx_IDF, ch7xxx->save_IDF);
ch7xxx_writeb(dvo, CH7xxx_PM, ch7xxx->save_PM);
}
static void ch7xxx_destroy(struct intel_dvo_device *dvo)
{
struct ch7xxx_priv *ch7xxx = dvo->dev_priv;
if (ch7xxx) {
kfree(ch7xxx);
dvo->dev_priv = NULL;
}
}
struct intel_dvo_dev_ops ch7xxx_ops = {
.init = ch7xxx_init,
.detect = ch7xxx_detect,
.mode_valid = ch7xxx_mode_valid,
.mode_set = ch7xxx_mode_set,
.dpms = ch7xxx_dpms,
.dump_regs = ch7xxx_dump_regs,
.save = ch7xxx_save,
.restore = ch7xxx_restore,
.destroy = ch7xxx_destroy,
};

459
linux-core/dvo_ivch.c Normal file
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/*
* Copyright © 2006 Intel Corporation
*
* 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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:
* Eric Anholt <eric@anholt.net>
*
*/
#include "dvo.h"
/*
* register definitions for the i82807aa.
*
* Documentation on this chipset can be found in datasheet #29069001 at
* intel.com.
*/
/*
* VCH Revision & GMBus Base Addr
*/
#define VR00 0x00
# define VR00_BASE_ADDRESS_MASK 0x007f
/*
* Functionality Enable
*/
#define VR01 0x01
/*
* Enable the panel fitter
*/
# define VR01_PANEL_FIT_ENABLE (1 << 3)
/*
* Enables the LCD display.
*
* This must not be set while VR01_DVO_BYPASS_ENABLE is set.
*/
# define VR01_LCD_ENABLE (1 << 2)
/** Enables the DVO repeater. */
# define VR01_DVO_BYPASS_ENABLE (1 << 1)
/** Enables the DVO clock */
# define VR01_DVO_ENABLE (1 << 0)
/*
* LCD Interface Format
*/
#define VR10 0x10
/** Enables LVDS output instead of CMOS */
# define VR10_LVDS_ENABLE (1 << 4)
/** Enables 18-bit LVDS output. */
# define VR10_INTERFACE_1X18 (0 << 2)
/** Enables 24-bit LVDS or CMOS output */
# define VR10_INTERFACE_1X24 (1 << 2)
/** Enables 2x18-bit LVDS or CMOS output. */
# define VR10_INTERFACE_2X18 (2 << 2)
/** Enables 2x24-bit LVDS output */
# define VR10_INTERFACE_2X24 (3 << 2)
/*
* VR20 LCD Horizontal Display Size
*/
#define VR20 0x20
/*
* LCD Vertical Display Size
*/
#define VR21 0x20
/*
* Panel power down status
*/
#define VR30 0x30
/** Read only bit indicating that the panel is not in a safe poweroff state. */
# define VR30_PANEL_ON (1 << 15)
#define VR40 0x40
# define VR40_STALL_ENABLE (1 << 13)
# define VR40_VERTICAL_INTERP_ENABLE (1 << 12)
# define VR40_ENHANCED_PANEL_FITTING (1 << 11)
# define VR40_HORIZONTAL_INTERP_ENABLE (1 << 10)
# define VR40_AUTO_RATIO_ENABLE (1 << 9)
# define VR40_CLOCK_GATING_ENABLE (1 << 8)
/*
* Panel Fitting Vertical Ratio
* (((image_height - 1) << 16) / ((panel_height - 1))) >> 2
*/
#define VR41 0x41
/*
* Panel Fitting Horizontal Ratio
* (((image_width - 1) << 16) / ((panel_width - 1))) >> 2
*/
#define VR42 0x42
/*
* Horizontal Image Size
*/
#define VR43 0x43
/* VR80 GPIO 0
*/
#define VR80 0x80
#define VR81 0x81
#define VR82 0x82
#define VR83 0x83
#define VR84 0x84
#define VR85 0x85
#define VR86 0x86
#define VR87 0x87
/* VR88 GPIO 8
*/
#define VR88 0x88
/* Graphics BIOS scratch 0
*/
#define VR8E 0x8E
# define VR8E_PANEL_TYPE_MASK (0xf << 0)
# define VR8E_PANEL_INTERFACE_CMOS (0 << 4)
# define VR8E_PANEL_INTERFACE_LVDS (1 << 4)
# define VR8E_FORCE_DEFAULT_PANEL (1 << 5)
/* Graphics BIOS scratch 1
*/
#define VR8F 0x8F
# define VR8F_VCH_PRESENT (1 << 0)
# define VR8F_DISPLAY_CONN (1 << 1)
# define VR8F_POWER_MASK (0x3c)
# define VR8F_POWER_POS (2)
struct ivch_priv {
bool quiet;
uint16_t width, height;
uint16_t save_VR01;
uint16_t save_VR40;
};
#if 0
struct vch_capabilities {
struct aimdb_block aimdb_block;
uint8_t panel_type;
uint8_t set_panel_type;
uint8_t slave_address;
uint8_t capabilities;
#define VCH_PANEL_FITTING_SUPPORT (0x3 << 0)
#define VCH_PANEL_FITTING_TEXT (1 << 2)
#define VCH_PANEL_FITTING_GRAPHICS (1 << 3)
#define VCH_PANEL_FITTING_RATIO (1 << 4)
#define VCH_DITHERING (1 << 5)
uint8_t backlight_gpio;
uint8_t set_panel_type_us_gpios;
} __attribute__ ((packed));
#endif
static void ivch_dump_regs(struct intel_dvo_device *dvo);
/**
* Reads a register on the ivch.
*
* Each of the 256 registers are 16 bits long.
*/
static bool ivch_read(struct intel_dvo_device *dvo, int addr, uint16_t *data)
{
struct ivch_priv *priv = dvo->dev_priv;
struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
u8 out_buf[2];
u8 in_buf[2];
struct i2c_msg msgs[] = {
{
.addr = i2cbus->slave_addr,
.flags = 0,
.len = 1,
.buf = out_buf,
},
{
.addr = i2cbus->slave_addr,
.flags = I2C_M_RD,
.len = 2,
.buf = in_buf,
}
};
out_buf[0] = addr;
out_buf[1] = 0;
if (i2c_transfer(&i2cbus->adapter, msgs, 2) == 2) {
*data = (in_buf[1] << 8) | in_buf[0];
return true;
};
if (!priv->quiet) {
DRM_DEBUG("Unable to read register 0x%02x from %s:%02x.\n",
addr, i2cbus->adapter.name, i2cbus->slave_addr);
}
return false;
}
/** Writes a 16-bit register on the ivch */
static bool ivch_write(struct intel_dvo_device *dvo, int addr, uint16_t data)
{
struct ivch_priv *priv = dvo->dev_priv;
struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
u8 out_buf[3];
struct i2c_msg msg = {
.addr = i2cbus->slave_addr,
.flags = 0,
.len = 3,
.buf = out_buf,
};
out_buf[0] = addr;
out_buf[1] = data & 0xff;
out_buf[2] = data >> 8;
if (i2c_transfer(&i2cbus->adapter, &msg, 1) == 1)
return true;
if (!priv->quiet) {
DRM_DEBUG("Unable to write register 0x%02x to %s:%d.\n",
addr, i2cbus->adapter.name, i2cbus->slave_addr);
}
return false;
}
/** Probes the given bus and slave address for an ivch */
static bool ivch_init(struct intel_dvo_device *dvo,
struct intel_i2c_chan *i2cbus)
{
struct ivch_priv *priv;
uint16_t temp;
priv = kzalloc(sizeof(struct ivch_priv), GFP_KERNEL);
if (priv == NULL)
return false;
dvo->i2c_bus = i2cbus;
dvo->i2c_bus->slave_addr = dvo->slave_addr;
dvo->dev_priv = priv;
priv->quiet = TRUE;
if (!ivch_read(dvo, VR00, &temp))
goto out;
priv->quiet = false;
/* Since the identification bits are probably zeroes, which doesn't seem
* very unique, check that the value in the base address field matches
* the address it's responding on.
*/
if ((temp & VR00_BASE_ADDRESS_MASK) != dvo->slave_addr) {
DRM_DEBUG("ivch detect failed due to address mismatch "
"(%d vs %d)\n",
(temp & VR00_BASE_ADDRESS_MASK), dvo->slave_addr);
goto out;
}
#if 0
if (!xf86I2CDevInit(&priv->d)) {
goto out;
}
#endif
ivch_read(dvo, VR20, &priv->width);
ivch_read(dvo, VR21, &priv->height);
return true;
out:
kfree(priv);
return false;
}
static enum drm_output_status ivch_detect(struct intel_dvo_device *dvo)
{
return output_status_connected;
}
static enum drm_mode_status ivch_mode_valid(struct intel_dvo_device *dvo,
struct drm_display_mode *mode)
{
if (mode->clock > 112000)
return MODE_CLOCK_HIGH;
return MODE_OK;
}
/** Sets the power state of the panel connected to the ivch */
static void ivch_dpms(struct intel_dvo_device *dvo, int mode)
{
int i;
uint16_t vr01, vr30, backlight;
/* Set the new power state of the panel. */
if (!ivch_read(dvo, VR01, &vr01))
return;
if (mode == DPMSModeOn)
backlight = 1;
else
backlight = 0;
ivch_write(dvo, VR80, backlight);
if (mode == DPMSModeOn)
vr01 |= VR01_LCD_ENABLE | VR01_DVO_ENABLE;
else
vr01 &= ~(VR01_LCD_ENABLE | VR01_DVO_ENABLE);
ivch_write(dvo, VR01, vr01);
/* Wait for the panel to make its state transition */
for (i = 0; i < 100; i++) {
if (!ivch_read(dvo, VR30, &vr30))
break;
if (((vr30 & VR30_PANEL_ON) != 0) == (mode == DPMSModeOn))
break;
udelay(1000);
}
/* wait some more; vch may fail to resync sometimes without this */
udelay(16 * 1000);
}
static void ivch_mode_set(struct intel_dvo_device *dvo,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
uint16_t vr40 = 0;
uint16_t vr01;
vr01 = 0;
vr40 = (VR40_STALL_ENABLE | VR40_VERTICAL_INTERP_ENABLE |
VR40_HORIZONTAL_INTERP_ENABLE);
if (mode->hdisplay != adjusted_mode->hdisplay ||
mode->vdisplay != adjusted_mode->vdisplay) {
uint16_t x_ratio, y_ratio;
vr01 |= VR01_PANEL_FIT_ENABLE;
vr40 |= VR40_CLOCK_GATING_ENABLE;
x_ratio = (((mode->hdisplay - 1) << 16) /
(adjusted_mode->hdisplay - 1)) >> 2;
y_ratio = (((mode->vdisplay - 1) << 16) /
(adjusted_mode->vdisplay - 1)) >> 2;
ivch_write (dvo, VR42, x_ratio);
ivch_write (dvo, VR41, y_ratio);
} else {
vr01 &= ~VR01_PANEL_FIT_ENABLE;
vr40 &= ~VR40_CLOCK_GATING_ENABLE;
}
vr40 &= ~VR40_AUTO_RATIO_ENABLE;
ivch_write(dvo, VR01, vr01);
ivch_write(dvo, VR40, vr40);
ivch_dump_regs(dvo);
}
static void ivch_dump_regs(struct intel_dvo_device *dvo)
{
uint16_t val;
ivch_read(dvo, VR00, &val);
DRM_DEBUG("VR00: 0x%04x\n", val);
ivch_read(dvo, VR01, &val);
DRM_DEBUG("VR01: 0x%04x\n", val);
ivch_read(dvo, VR30, &val);
DRM_DEBUG("VR30: 0x%04x\n", val);
ivch_read(dvo, VR40, &val);
DRM_DEBUG("VR40: 0x%04x\n", val);
/* GPIO registers */
ivch_read(dvo, VR80, &val);
DRM_DEBUG("VR80: 0x%04x\n", val);
ivch_read(dvo, VR81, &val);
DRM_DEBUG("VR81: 0x%04x\n", val);
ivch_read(dvo, VR82, &val);
DRM_DEBUG("VR82: 0x%04x\n", val);
ivch_read(dvo, VR83, &val);
DRM_DEBUG("VR83: 0x%04x\n", val);
ivch_read(dvo, VR84, &val);
DRM_DEBUG("VR84: 0x%04x\n", val);
ivch_read(dvo, VR85, &val);
DRM_DEBUG("VR85: 0x%04x\n", val);
ivch_read(dvo, VR86, &val);
DRM_DEBUG("VR86: 0x%04x\n", val);
ivch_read(dvo, VR87, &val);
DRM_DEBUG("VR87: 0x%04x\n", val);
ivch_read(dvo, VR88, &val);
DRM_DEBUG("VR88: 0x%04x\n", val);
/* Scratch register 0 - AIM Panel type */
ivch_read(dvo, VR8E, &val);
DRM_DEBUG("VR8E: 0x%04x\n", val);
/* Scratch register 1 - Status register */
ivch_read(dvo, VR8F, &val);
DRM_DEBUG("VR8F: 0x%04x\n", val);
}
static void ivch_save(struct intel_dvo_device *dvo)
{
struct ivch_priv *priv = dvo->dev_priv;
ivch_read(dvo, VR01, &priv->save_VR01);
ivch_read(dvo, VR40, &priv->save_VR40);
}
static void ivch_restore(struct intel_dvo_device *dvo)
{
struct ivch_priv *priv = dvo->dev_priv;
ivch_write(dvo, VR01, priv->save_VR01);
ivch_write(dvo, VR40, priv->save_VR40);
}
static void ivch_destroy(struct intel_dvo_device *dvo)
{
struct ivch_priv *priv = dvo->dev_priv;
if (priv) {
kfree(priv);
dvo->dev_priv = NULL;
}
}
struct intel_dvo_dev_ops ivch_ops= {
.init = ivch_init,
.dpms = ivch_dpms,
.save = ivch_save,
.restore = ivch_restore,
.mode_valid = ivch_mode_valid,
.mode_set = ivch_mode_set,
.detect = ivch_detect,
.dump_regs = ivch_dump_regs,
.destroy = ivch_destroy,
};

302
linux-core/dvo_sil164.c Normal file
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@ -0,0 +1,302 @@
/**************************************************************************
Copyright © 2006 Dave Airlie
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, sub license, 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 NON-INFRINGEMENT.
IN NO EVENT SHALL THE AUTHOR 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.
**************************************************************************/
#include "dvo.h"
#define SIL164_VID 0x0001
#define SIL164_DID 0x0006
#define SIL164_VID_LO 0x00
#define SIL164_VID_HI 0x01
#define SIL164_DID_LO 0x02
#define SIL164_DID_HI 0x03
#define SIL164_REV 0x04
#define SIL164_RSVD 0x05
#define SIL164_FREQ_LO 0x06
#define SIL164_FREQ_HI 0x07
#define SIL164_REG8 0x08
#define SIL164_8_VEN (1<<5)
#define SIL164_8_HEN (1<<4)
#define SIL164_8_DSEL (1<<3)
#define SIL164_8_BSEL (1<<2)
#define SIL164_8_EDGE (1<<1)
#define SIL164_8_PD (1<<0)
#define SIL164_REG9 0x09
#define SIL164_9_VLOW (1<<7)
#define SIL164_9_MSEL_MASK (0x7<<4)
#define SIL164_9_TSEL (1<<3)
#define SIL164_9_RSEN (1<<2)
#define SIL164_9_HTPLG (1<<1)
#define SIL164_9_MDI (1<<0)
#define SIL164_REGC 0x0c
struct sil164_save_rec {
uint8_t reg8;
uint8_t reg9;
uint8_t regc;
};
struct sil164_priv {
//I2CDevRec d;
bool quiet;
struct sil164_save_rec save_regs;
struct sil164_save_rec mode_regs;
};
#define SILPTR(d) ((SIL164Ptr)(d->DriverPrivate.ptr))
static bool sil164_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)
{
struct sil164_priv *sil = dvo->dev_priv;
struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
u8 out_buf[2];
u8 in_buf[2];
struct i2c_msg msgs[] = {
{
.addr = i2cbus->slave_addr,
.flags = 0,
.len = 1,
.buf = out_buf,
},
{
.addr = i2cbus->slave_addr,
.flags = I2C_M_RD,
.len = 1,
.buf = in_buf,
}
};
out_buf[0] = addr;
out_buf[1] = 0;
if (i2c_transfer(&i2cbus->adapter, msgs, 2) == 2) {
*ch = in_buf[0];
return true;
};
if (!sil->quiet) {
DRM_DEBUG("Unable to read register 0x%02x from %s:%02x.\n",
addr, i2cbus->adapter.name, i2cbus->slave_addr);
}
return false;
}
static bool sil164_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)
{
struct sil164_priv *sil= dvo->dev_priv;
struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
uint8_t out_buf[2];
struct i2c_msg msg = {
.addr = i2cbus->slave_addr,
.flags = 0,
.len = 2,
.buf = out_buf,
};
out_buf[0] = addr;
out_buf[1] = ch;
if (i2c_transfer(&i2cbus->adapter, &msg, 1) == 1)
return true;
if (!sil->quiet) {
DRM_DEBUG("Unable to write register 0x%02x to %s:%d.\n",
addr, i2cbus->adapter.name, i2cbus->slave_addr);
}
return false;
}
/* Silicon Image 164 driver for chip on i2c bus */
static bool sil164_init(struct intel_dvo_device *dvo,
struct intel_i2c_chan *i2cbus)
{
/* this will detect the SIL164 chip on the specified i2c bus */
struct sil164_priv *sil;
unsigned char ch;
sil = kzalloc(sizeof(struct sil164_priv), GFP_KERNEL);
if (sil == NULL)
return false;
dvo->i2c_bus = i2cbus;
dvo->i2c_bus->slave_addr = dvo->slave_addr;
dvo->dev_priv = sil;
sil->quiet = true;
if (!sil164_readb(dvo, SIL164_VID_LO, &ch))
goto out;
if (ch != (SIL164_VID & 0xff)) {
DRM_DEBUG("sil164 not detected got %d: from %s Slave %d.\n",
ch, i2cbus->adapter.name, i2cbus->slave_addr);
goto out;
}
if (!sil164_readb(dvo, SIL164_DID_LO, &ch))
goto out;
if (ch != (SIL164_DID & 0xff)) {
DRM_DEBUG("sil164 not detected got %d: from %s Slave %d.\n",
ch, i2cbus->adapter.name, i2cbus->slave_addr);
goto out;
}
sil->quiet = false;
DRM_DEBUG("init sil164 dvo controller successfully!\n");
return true;
out:
kfree(sil);
return false;
}
static enum drm_output_status sil164_detect(struct intel_dvo_device *dvo)
{
uint8_t reg9;
sil164_readb(dvo, SIL164_REG9, &reg9);
if (reg9 & SIL164_9_HTPLG)
return output_status_connected;
else
return output_status_disconnected;
}
static enum drm_mode_status sil164_mode_valid(struct intel_dvo_device *dvo,
struct drm_display_mode *mode)
{
return MODE_OK;
}
static void sil164_mode_set(struct intel_dvo_device *dvo,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
/* As long as the basics are set up, since we don't have clock
* dependencies in the mode setup, we can just leave the
* registers alone and everything will work fine.
*/
/* recommended programming sequence from doc */
/*sil164_writeb(sil, 0x08, 0x30);
sil164_writeb(sil, 0x09, 0x00);
sil164_writeb(sil, 0x0a, 0x90);
sil164_writeb(sil, 0x0c, 0x89);
sil164_writeb(sil, 0x08, 0x31);*/
/* don't do much */
return;
}
/* set the SIL164 power state */
static void sil164_dpms(struct intel_dvo_device *dvo, int mode)
{
int ret;
unsigned char ch;
ret = sil164_readb(dvo, SIL164_REG8, &ch);
if (ret == false)
return;
if (mode == DPMSModeOn)
ch |= SIL164_8_PD;
else
ch &= ~SIL164_8_PD;
sil164_writeb(dvo, SIL164_REG8, ch);
return;
}
static void sil164_dump_regs(struct intel_dvo_device *dvo)
{
uint8_t val;
sil164_readb(dvo, SIL164_FREQ_LO, &val);
DRM_DEBUG("SIL164_FREQ_LO: 0x%02x\n", val);
sil164_readb(dvo, SIL164_FREQ_HI, &val);
DRM_DEBUG("SIL164_FREQ_HI: 0x%02x\n", val);
sil164_readb(dvo, SIL164_REG8, &val);
DRM_DEBUG("SIL164_REG8: 0x%02x\n", val);
sil164_readb(dvo, SIL164_REG9, &val);
DRM_DEBUG("SIL164_REG9: 0x%02x\n", val);
sil164_readb(dvo, SIL164_REGC, &val);
DRM_DEBUG("SIL164_REGC: 0x%02x\n", val);
}
static void sil164_save(struct intel_dvo_device *dvo)
{
struct sil164_priv *sil= dvo->dev_priv;
if (!sil164_readb(dvo, SIL164_REG8, &sil->save_regs.reg8))
return;
if (!sil164_readb(dvo, SIL164_REG9, &sil->save_regs.reg9))
return;
if (!sil164_readb(dvo, SIL164_REGC, &sil->save_regs.regc))
return;
return;
}
static void sil164_restore(struct intel_dvo_device *dvo)
{
struct sil164_priv *sil = dvo->dev_priv;
/* Restore it powered down initially */
sil164_writeb(dvo, SIL164_REG8, sil->save_regs.reg8 & ~0x1);
sil164_writeb(dvo, SIL164_REG9, sil->save_regs.reg9);
sil164_writeb(dvo, SIL164_REGC, sil->save_regs.regc);
sil164_writeb(dvo, SIL164_REG8, sil->save_regs.reg8);
}
static void sil164_destroy(struct intel_dvo_device *dvo)
{
struct sil164_priv *sil = dvo->dev_priv;
if (sil) {
kfree(sil);
dvo->dev_priv = NULL;
}
}
struct intel_dvo_dev_ops sil164_ops = {
.init = sil164_init,
.detect = sil164_detect,
.mode_valid = sil164_mode_valid,
.mode_set = sil164_mode_set,
.dpms = sil164_dpms,
.dump_regs = sil164_dump_regs,
.save = sil164_save,
.restore = sil164_restore,
.destroy = sil164_destroy,
};

335
linux-core/dvo_tfp410.c Normal file
View File

@ -0,0 +1,335 @@
/*
* Copyright © 2007 Dave Mueller
*
* 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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 Mueller <dave.mueller@gmx.ch>
*
*/
#include "dvo.h"
/* register definitions according to the TFP410 data sheet */
#define TFP410_VID 0x014C
#define TFP410_DID 0x0410
#define TFP410_VID_LO 0x00
#define TFP410_VID_HI 0x01
#define TFP410_DID_LO 0x02
#define TFP410_DID_HI 0x03
#define TFP410_REV 0x04
#define TFP410_CTL_1 0x08
#define TFP410_CTL_1_TDIS (1<<6)
#define TFP410_CTL_1_VEN (1<<5)
#define TFP410_CTL_1_HEN (1<<4)
#define TFP410_CTL_1_DSEL (1<<3)
#define TFP410_CTL_1_BSEL (1<<2)
#define TFP410_CTL_1_EDGE (1<<1)
#define TFP410_CTL_1_PD (1<<0)
#define TFP410_CTL_2 0x09
#define TFP410_CTL_2_VLOW (1<<7)
#define TFP410_CTL_2_MSEL_MASK (0x7<<4)
#define TFP410_CTL_2_MSEL (1<<4)
#define TFP410_CTL_2_TSEL (1<<3)
#define TFP410_CTL_2_RSEN (1<<2)
#define TFP410_CTL_2_HTPLG (1<<1)
#define TFP410_CTL_2_MDI (1<<0)
#define TFP410_CTL_3 0x0A
#define TFP410_CTL_3_DK_MASK (0x7<<5)
#define TFP410_CTL_3_DK (1<<5)
#define TFP410_CTL_3_DKEN (1<<4)
#define TFP410_CTL_3_CTL_MASK (0x7<<1)
#define TFP410_CTL_3_CTL (1<<1)
#define TFP410_USERCFG 0x0B
#define TFP410_DE_DLY 0x32
#define TFP410_DE_CTL 0x33
#define TFP410_DE_CTL_DEGEN (1<<6)
#define TFP410_DE_CTL_VSPOL (1<<5)
#define TFP410_DE_CTL_HSPOL (1<<4)
#define TFP410_DE_CTL_DEDLY8 (1<<0)
#define TFP410_DE_TOP 0x34
#define TFP410_DE_CNT_LO 0x36
#define TFP410_DE_CNT_HI 0x37
#define TFP410_DE_LIN_LO 0x38
#define TFP410_DE_LIN_HI 0x39
#define TFP410_H_RES_LO 0x3A
#define TFP410_H_RES_HI 0x3B
#define TFP410_V_RES_LO 0x3C
#define TFP410_V_RES_HI 0x3D
struct tfp410_save_rec {
uint8_t ctl1;
uint8_t ctl2;
};
struct tfp410_priv {
bool quiet;
struct tfp410_save_rec saved_reg;
struct tfp410_save_rec mode_reg;
};
static bool tfp410_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch)
{
struct tfp410_priv *tfp = dvo->dev_priv;
struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
u8 out_buf[2];
u8 in_buf[2];
struct i2c_msg msgs[] = {
{
.addr = i2cbus->slave_addr,
.flags = 0,
.len = 1,
.buf = out_buf,
},
{
.addr = i2cbus->slave_addr,
.flags = I2C_M_RD,
.len = 1,
.buf = in_buf,
}
};
out_buf[0] = addr;
out_buf[1] = 0;
if (i2c_transfer(&i2cbus->adapter, msgs, 2) == 2) {
*ch = in_buf[0];
return true;
};
if (!tfp->quiet) {
DRM_DEBUG("Unable to read register 0x%02x from %s:%02x.\n",
addr, i2cbus->adapter.name, i2cbus->slave_addr);
}
return false;
}
static bool tfp410_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch)
{
struct tfp410_priv *tfp = dvo->dev_priv;
struct intel_i2c_chan *i2cbus = dvo->i2c_bus;
uint8_t out_buf[2];
struct i2c_msg msg = {
.addr = i2cbus->slave_addr,
.flags = 0,
.len = 2,
.buf = out_buf,
};
out_buf[0] = addr;
out_buf[1] = ch;
if (i2c_transfer(&i2cbus->adapter, &msg, 1) == 1)
return true;
if (!tfp->quiet) {
DRM_DEBUG("Unable to write register 0x%02x to %s:%d.\n",
addr, i2cbus->adapter.name, i2cbus->slave_addr);
}
return false;
}
static int tfp410_getid(struct intel_dvo_device *dvo, int addr)
{
uint8_t ch1, ch2;
if (tfp410_readb(dvo, addr+0, &ch1) &&
tfp410_readb(dvo, addr+1, &ch2))
return ((ch2 << 8) & 0xFF00) | (ch1 & 0x00FF);
return -1;
}
/* Ti TFP410 driver for chip on i2c bus */
static bool tfp410_init(struct intel_dvo_device *dvo,
struct intel_i2c_chan *i2cbus)
{
/* this will detect the tfp410 chip on the specified i2c bus */
struct tfp410_priv *tfp;
int id;
tfp = kzalloc(sizeof(struct tfp410_priv), GFP_KERNEL);
if (tfp == NULL)
return false;
dvo->i2c_bus = i2cbus;
dvo->i2c_bus->slave_addr = dvo->slave_addr;
dvo->dev_priv = tfp;
tfp->quiet = TRUE;
if ((id = tfp410_getid(dvo, TFP410_VID_LO)) != TFP410_VID) {
DRM_DEBUG("tfp410 not detected got VID %X: from %s Slave %d.\n",
id, i2cbus->adapter.name, i2cbus->slave_addr);
goto out;
}
if ((id = tfp410_getid(dvo, TFP410_DID_LO)) != TFP410_DID) {
DRM_DEBUG("tfp410 not detected got DID %X: from %s Slave %d.\n",
id, i2cbus->adapter.name, i2cbus->slave_addr);
goto out;
}
tfp->quiet = FALSE;
return true;
out:
kfree(tfp);
return false;
}
static enum drm_output_status tfp410_detect(struct intel_dvo_device *dvo)
{
enum drm_output_status ret = output_status_disconnected;
uint8_t ctl2;
if (tfp410_readb(dvo, TFP410_CTL_2, &ctl2)) {
if (ctl2 & TFP410_CTL_2_HTPLG)
ret = output_status_connected;
else
ret = output_status_disconnected;
}
return ret;
}
static enum drm_mode_status tfp410_mode_valid(struct intel_dvo_device *dvo,
struct drm_display_mode *mode)
{
return MODE_OK;
}
static void tfp410_mode_set(struct intel_dvo_device *dvo,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
/* As long as the basics are set up, since we don't have clock dependencies
* in the mode setup, we can just leave the registers alone and everything
* will work fine.
*/
/* don't do much */
return;
}
/* set the tfp410 power state */
static void tfp410_dpms(struct intel_dvo_device *dvo, int mode)
{
uint8_t ctl1;
if (!tfp410_readb(dvo, TFP410_CTL_1, &ctl1))
return;
if (mode == DPMSModeOn)
ctl1 |= TFP410_CTL_1_PD;
else
ctl1 &= ~TFP410_CTL_1_PD;
tfp410_writeb(dvo, TFP410_CTL_1, ctl1);
}
static void tfp410_dump_regs(struct intel_dvo_device *dvo)
{
uint8_t val, val2;
tfp410_readb(dvo, TFP410_REV, &val);
DRM_DEBUG("TFP410_REV: 0x%02X\n", val);
tfp410_readb(dvo, TFP410_CTL_1, &val);
DRM_DEBUG("TFP410_CTL1: 0x%02X\n", val);
tfp410_readb(dvo, TFP410_CTL_2, &val);
DRM_DEBUG("TFP410_CTL2: 0x%02X\n", val);
tfp410_readb(dvo, TFP410_CTL_3, &val);
DRM_DEBUG("TFP410_CTL3: 0x%02X\n", val);
tfp410_readb(dvo, TFP410_USERCFG, &val);
DRM_DEBUG("TFP410_USERCFG: 0x%02X\n", val);
tfp410_readb(dvo, TFP410_DE_DLY, &val);
DRM_DEBUG("TFP410_DE_DLY: 0x%02X\n", val);
tfp410_readb(dvo, TFP410_DE_CTL, &val);
DRM_DEBUG("TFP410_DE_CTL: 0x%02X\n", val);
tfp410_readb(dvo, TFP410_DE_TOP, &val);
DRM_DEBUG("TFP410_DE_TOP: 0x%02X\n", val);
tfp410_readb(dvo, TFP410_DE_CNT_LO, &val);
tfp410_readb(dvo, TFP410_DE_CNT_HI, &val2);
DRM_DEBUG("TFP410_DE_CNT: 0x%02X%02X\n", val2, val);
tfp410_readb(dvo, TFP410_DE_LIN_LO, &val);
tfp410_readb(dvo, TFP410_DE_LIN_HI, &val2);
DRM_DEBUG("TFP410_DE_LIN: 0x%02X%02X\n", val2, val);
tfp410_readb(dvo, TFP410_H_RES_LO, &val);
tfp410_readb(dvo, TFP410_H_RES_HI, &val2);
DRM_DEBUG("TFP410_H_RES: 0x%02X%02X\n", val2, val);
tfp410_readb(dvo, TFP410_V_RES_LO, &val);
tfp410_readb(dvo, TFP410_V_RES_HI, &val2);
DRM_DEBUG("TFP410_V_RES: 0x%02X%02X\n", val2, val);
}
static void tfp410_save(struct intel_dvo_device *dvo)
{
struct tfp410_priv *tfp = dvo->dev_priv;
if (!tfp410_readb(dvo, TFP410_CTL_1, &tfp->saved_reg.ctl1))
return;
if (!tfp410_readb(dvo, TFP410_CTL_2, &tfp->saved_reg.ctl2))
return;
}
static void tfp410_restore(struct intel_dvo_device *dvo)
{
struct tfp410_priv *tfp = dvo->dev_priv;
/* Restore it powered down initially */
tfp410_writeb(dvo, TFP410_CTL_1, tfp->saved_reg.ctl1 & ~0x1);
tfp410_writeb(dvo, TFP410_CTL_2, tfp->saved_reg.ctl2);
tfp410_writeb(dvo, TFP410_CTL_1, tfp->saved_reg.ctl1);
}
static void tfp410_destroy(struct intel_dvo_device *dvo)
{
struct tfp410_priv *tfp = dvo->dev_priv;
if (tfp) {
kfree(tfp);
dvo->dev_priv = NULL;
}
}
struct intel_dvo_dev_ops tfp410_ops = {
.init = tfp410_init,
.detect = tfp410_detect,
.mode_valid = tfp410_mode_valid,
.mode_set = tfp410_mode_set,
.dpms = tfp410_dpms,
.dump_regs = tfp410_dump_regs,
.save = tfp410_save,
.restore = tfp410_restore,
.destroy = tfp410_destroy,
};

3
linux-core/intel_display.c
View File

@ -1396,7 +1396,8 @@ static void intel_setup_outputs(struct drm_device *dev)
if (IS_I9XX(dev)) {
intel_sdvo_init(dev, SDVOB);
intel_sdvo_init(dev, SDVOC);
}
} else
intel_dvo_init(dev);
if (IS_I9XX(dev) && !IS_I915G(dev))
intel_tv_init(dev);

1
linux-core/intel_drv.h
View File

@ -69,6 +69,7 @@ extern bool intel_ddc_probe(struct drm_output *output);
extern void intel_crt_init(struct drm_device *dev);
extern void intel_sdvo_init(struct drm_device *dev, int output_device);
extern void intel_dvo_init(struct drm_device *dev);
extern void intel_tv_init(struct drm_device *dev);
extern void intel_lvds_init(struct drm_device *dev);

493
linux-core/intel_dvo.c Normal file
View File

@ -0,0 +1,493 @@
/*
* Copyright © 2006-2007 Intel Corporation
*
* 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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:
* Eric Anholt <eric@anholt.net>
*/
/*
* Copyright 2006 Dave Airlie <airlied@linux.ie>
*/
#include <linux/i2c.h>
#include "drmP.h"
#include "drm.h"
#include "drm_crtc.h"
#include "intel_drv.h"
#include "i915_drm.h"
#include "i915_drv.h"
#include "dvo.h"
#define SIL164_ADDR 0x38
#define CH7xxx_ADDR 0x76
#define TFP410_ADDR 0x38
extern struct intel_dvo_dev_ops sil164_ops;
extern struct intel_dvo_dev_ops ch7xxx_ops;
extern struct intel_dvo_dev_ops ivch_ops;
extern struct intel_dvo_dev_ops tfp410_ops;
extern struct intel_dvo_dev_ops ch7017_ops;
struct intel_dvo_device intel_dvo_devices[] = {
{
.type = INTEL_DVO_CHIP_TMDS,
.name = "sil164",
.dvo_reg = DVOC,
.slave_addr = SIL164_ADDR,
.dev_ops = &sil164_ops,
},
{
.type = INTEL_DVO_CHIP_TMDS,
.name = "ch7xxx",
.dvo_reg = DVOC,
.slave_addr = CH7xxx_ADDR,
.dev_ops = &ch7xxx_ops,
},
{
.type = INTEL_DVO_CHIP_LVDS,
.name = "ivch",
.dvo_reg = DVOA,
.slave_addr = 0x02, /* Might also be 0x44, 0x84, 0xc4 */
.dev_ops = &ivch_ops,
},
{
.type = INTEL_DVO_CHIP_TMDS,
.name = "tfp410",
.dvo_reg = DVOC,
.slave_addr = TFP410_ADDR,
.dev_ops = &tfp410_ops,
},
{
.type = INTEL_DVO_CHIP_LVDS,
.name = "ch7017",
.dvo_reg = DVOC,
.slave_addr = 0x75,
.gpio = GPIOE,
.dev_ops = &ch7017_ops,
}
};
static void intel_dvo_dpms(struct drm_output *output, int mode)
{
struct drm_i915_private *dev_priv = output->dev->dev_private;
struct intel_output *intel_output = output->driver_private;
struct intel_dvo_device *dvo = intel_output->dev_priv;
u32 dvo_reg = dvo->dvo_reg;
u32 temp = I915_READ(dvo_reg);
if (mode == DPMSModeOn) {
I915_WRITE(dvo_reg, temp | DVO_ENABLE);
I915_READ(dvo_reg);
dvo->dev_ops->dpms(dvo, mode);
} else {
dvo->dev_ops->dpms(dvo, mode);
I915_WRITE(dvo_reg, temp & ~DVO_ENABLE);
I915_READ(dvo_reg);
}
}
static void intel_dvo_save(struct drm_output *output)
{
struct drm_i915_private *dev_priv = output->dev->dev_private;
struct intel_output *intel_output = output->driver_private;
struct intel_dvo_device *dvo = intel_output->dev_priv;
/* Each output should probably just save the registers it touches,
* but for now, use more overkill.
*/
dev_priv->saveDVOA = I915_READ(DVOA);
dev_priv->saveDVOB = I915_READ(DVOB);
dev_priv->saveDVOC = I915_READ(DVOC);
dvo->dev_ops->save(dvo);
}
static void intel_dvo_restore(struct drm_output *output)
{
struct drm_i915_private *dev_priv = output->dev->dev_private;
struct intel_output *intel_output = output->driver_private;
struct intel_dvo_device *dvo = intel_output->dev_priv;
dvo->dev_ops->restore(dvo);
I915_WRITE(DVOA, dev_priv->saveDVOA);
I915_WRITE(DVOB, dev_priv->saveDVOB);
I915_WRITE(DVOC, dev_priv->saveDVOC);
}
static int intel_dvo_mode_valid(struct drm_output *output,
struct drm_display_mode *mode)
{
struct intel_output *intel_output = output->driver_private;
struct intel_dvo_device *dvo = intel_output->dev_priv;
if (mode->flags & V_DBLSCAN)
return MODE_NO_DBLESCAN;
/* XXX: Validate clock range */
if (dvo->panel_fixed_mode) {
if (mode->hdisplay > dvo->panel_fixed_mode->hdisplay)
return MODE_PANEL;
if (mode->vdisplay > dvo->panel_fixed_mode->vdisplay)
return MODE_PANEL;
}
return dvo->dev_ops->mode_valid(dvo, mode);
}
static bool intel_dvo_mode_fixup(struct drm_output *output,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct intel_output *intel_output = output->driver_private;
struct intel_dvo_device *dvo = intel_output->dev_priv;
/* If we have timings from the BIOS for the panel, put them in
* to the adjusted mode. The CRTC will be set up for this mode,
* with the panel scaling set up to source from the H/VDisplay
* of the original mode.
*/
if (dvo->panel_fixed_mode != NULL) {
#define C(x) adjusted_mode->x = dvo->panel_fixed_mode->x
C(hdisplay);
C(hsync_start);
C(hsync_end);
C(htotal);
C(vdisplay);
C(vsync_start);
C(vsync_end);
C(vtotal);
C(clock);
drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
#undef C
}
if (dvo->dev_ops->mode_fixup)
return dvo->dev_ops->mode_fixup(dvo, mode, adjusted_mode);
return true;
}
static void intel_dvo_mode_set(struct drm_output *output,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = output->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = output->crtc->driver_private;
struct intel_output *intel_output = output->driver_private;
struct intel_dvo_device *dvo = intel_output->dev_priv;
int pipe = intel_crtc->pipe;
u32 dvo_val;
u32 dvo_reg = dvo->dvo_reg, dvo_srcdim_reg;
int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
switch (dvo_reg) {
case DVOA:
default:
dvo_srcdim_reg = DVOA_SRCDIM;
break;
case DVOB:
dvo_srcdim_reg = DVOB_SRCDIM;
break;
case DVOC:
dvo_srcdim_reg = DVOC_SRCDIM;
break;
}
dvo->dev_ops->mode_set(dvo, mode, adjusted_mode);
/* Save the data order, since I don't know what it should be set to. */
dvo_val = I915_READ(dvo_reg) &
(DVO_PRESERVE_MASK | DVO_DATA_ORDER_GBRG);
dvo_val |= DVO_DATA_ORDER_FP | DVO_BORDER_ENABLE |
DVO_BLANK_ACTIVE_HIGH;
if (pipe == 1)
dvo_val |= DVO_PIPE_B_SELECT;
dvo_val |= DVO_PIPE_STALL;
if (adjusted_mode->flags & V_PHSYNC)
dvo_val |= DVO_HSYNC_ACTIVE_HIGH;
if (adjusted_mode->flags & V_PVSYNC)
dvo_val |= DVO_VSYNC_ACTIVE_HIGH;
I915_WRITE(dpll_reg, I915_READ(dpll_reg) | DPLL_DVO_HIGH_SPEED);
/*I915_WRITE(DVOB_SRCDIM,
(adjusted_mode->hdisplay << DVO_SRCDIM_HORIZONTAL_SHIFT) |
(adjusted_mode->VDisplay << DVO_SRCDIM_VERTICAL_SHIFT));*/
I915_WRITE(dvo_srcdim_reg,
(adjusted_mode->hdisplay << DVO_SRCDIM_HORIZONTAL_SHIFT) |
(adjusted_mode->vdisplay << DVO_SRCDIM_VERTICAL_SHIFT));
/*I915_WRITE(DVOB, dvo_val);*/
I915_WRITE(dvo_reg, dvo_val);
}
/**
* Detect the output connection on our DVO device.
*
* Unimplemented.
*/
static enum drm_output_status intel_dvo_detect(struct drm_output *output)
{
struct intel_output *intel_output = output->driver_private;
struct intel_dvo_device *dvo = intel_output->dev_priv;
return dvo->dev_ops->detect(dvo);
}
static int intel_dvo_get_modes(struct drm_output *output)
{
struct intel_output *intel_output = output->driver_private;
struct intel_dvo_device *dvo = intel_output->dev_priv;
/* We should probably have an i2c driver get_modes function for those
* devices which will have a fixed set of modes determined by the chip
* (TV-out, for example), but for now with just TMDS and LVDS,
* that's not the case.
*/
intel_ddc_get_modes(output);
if (!list_empty(&output->probed_modes))
return 1;
#if 0
if (intel_output->i2c_drv->vid_rec->get_modes)
{
modes = intel_output->i2c_drv->vid_rec->get_modes (intel_output->i2c_drv->dev_priv);
if (modes != NULL)
return modes;
}
#endif
if (dvo->panel_fixed_mode != NULL) {
struct drm_display_mode *mode;
mode = drm_mode_duplicate(output->dev, dvo->panel_fixed_mode);
if (mode) {
drm_mode_probed_add(output, mode);
return 1;
}
}
return 0;
}
static void intel_dvo_destroy (struct drm_output *output)
{
struct intel_output *intel_output = output->driver_private;
struct intel_dvo_device *dvo = intel_output->dev_priv;
if (dvo) {
if (dvo->dev_ops->destroy)
dvo->dev_ops->destroy(dvo);
if (dvo->panel_fixed_mode)
kfree(dvo->panel_fixed_mode);
/* no need, in i830_dvoices[] now */
//kfree(dvo);
}
if (intel_output) {
if (intel_output->i2c_bus)
intel_i2c_destroy(intel_output->i2c_bus);
if (intel_output->ddc_bus)
intel_i2c_destroy(intel_output->ddc_bus);
kfree(intel_output);
output->driver_private = NULL;
}
}
#ifdef RANDR_GET_CRTC_INTERFACE
static struct drm_crtc *intel_dvo_get_crtc(struct drm_output *output)
{
struct drm_device *dev = output->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_output *intel_output = output->driver_private;
struct intel_dvo_device *dvo = intel_output->dev_priv;
int pipe = !!(I915_READ(dvo->dvo_reg) & SDVO_PIPE_B_SELECT);
return intel_pipe_to_crtc(pScrn, pipe);
}
#endif
static const struct drm_output_funcs intel_dvo_output_funcs = {
.dpms = intel_dvo_dpms,
.save = intel_dvo_save,
.restore = intel_dvo_restore,
.mode_valid = intel_dvo_mode_valid,
.mode_fixup = intel_dvo_mode_fixup,
.prepare = intel_output_prepare,
.mode_set = intel_dvo_mode_set,
.commit = intel_output_commit,
.detect = intel_dvo_detect,
.get_modes = intel_dvo_get_modes,
.cleanup = intel_dvo_destroy
};
/**
* Attempts to get a fixed panel timing for LVDS (currently only the i830).
*
* Other chips with DVO LVDS will need to extend this to deal with the LVDS
* chip being on DVOB/C and having multiple pipes.
*/
static struct drm_display_mode *
intel_dvo_get_current_mode (struct drm_output *output)
{
struct drm_device *dev = output->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_output *intel_output = output->driver_private;
struct intel_dvo_device *dvo = intel_output->dev_priv;
uint32_t dvo_reg = dvo->dvo_reg;
uint32_t dvo_val = I915_READ(dvo_reg);
struct drm_display_mode *mode = NULL;
/* If the DVO port is active, that'll be the LVDS, so we can pull out
* its timings to get how the BIOS set up the panel.
*/
if (dvo_val & DVO_ENABLE) {
struct drm_crtc *crtc;
int pipe = (dvo_val & DVO_PIPE_B_SELECT) ? 1 : 0;
crtc = intel_get_crtc_from_pipe(dev, pipe);
if (crtc) {
mode = intel_crtc_mode_get(dev, crtc);
if (mode) {
mode->type |= DRM_MODE_TYPE_PREFERRED;
if (dvo_val & DVO_HSYNC_ACTIVE_HIGH)
mode->flags |= V_PHSYNC;
if (dvo_val & DVO_VSYNC_ACTIVE_HIGH)
mode->flags |= V_PVSYNC;
}
}
}
return mode;
}
void intel_dvo_init(struct drm_device *dev)
{
struct intel_output *intel_output;
struct intel_dvo_device *dvo;
struct intel_i2c_chan *i2cbus = NULL;
int ret = 0;
int i;
int gpio_inited = 0;
int connector = ConnectorUnknown;
intel_output = kzalloc (sizeof(struct intel_output), GFP_KERNEL);
if (!intel_output)
return;
/* Set up the DDC bus */
intel_output->ddc_bus = intel_i2c_create(dev, GPIOD, "DVODDC_D");
if (!intel_output->ddc_bus)
goto free_intel;
/* Now, try to find a controller */
for (i = 0; i < ARRAY_SIZE(intel_dvo_devices); i++) {
struct drm_output *output = NULL;
int gpio;
dvo = &intel_dvo_devices[i];
/* Allow the I2C driver info to specify the GPIO to be used in
* special cases, but otherwise default to what's defined
* in the spec.
*/
if (dvo->gpio != 0)
gpio = dvo->gpio;
else if (dvo->type == INTEL_DVO_CHIP_LVDS)
gpio = GPIOB;
else
gpio = GPIOE;
/* Set up the I2C bus necessary for the chip we're probing.
* It appears that everything is on GPIOE except for panels
* on i830 laptops, which are on GPIOB (DVOA).
*/
if (gpio_inited != gpio) {
if (i2cbus != NULL)
intel_i2c_destroy(i2cbus);
if (!(i2cbus = intel_i2c_create(dev, gpio,
gpio == GPIOB ? "DVOI2C_B" : "DVOI2C_E"))) {
continue;
}
gpio_inited = gpio;
}
if (dvo->dev_ops!= NULL)
ret = dvo->dev_ops->init(dvo, i2cbus);
else
ret = false;
if (!ret)
continue;
intel_output->type = INTEL_OUTPUT_DVO;
switch (dvo->type) {
case INTEL_DVO_CHIP_TMDS:
connector = ConnectorDVID;
output = drm_output_create(dev, &intel_dvo_output_funcs,
DRM_MODE_OUTPUT_TMDS);
break;
case INTEL_DVO_CHIP_LVDS:
connector = ConnectorLVDS;
output = drm_output_create(dev, &intel_dvo_output_funcs,
DRM_MODE_OUTPUT_LVDS);
break;
}
if (output == NULL) {
dvo->dev_ops->destroy(dvo);
goto free_i2c;
}
output->driver_private = intel_output;
output->display_info.subpixel_order = SubPixelHorizontalRGB;
output->interlace_allowed = false;
output->doublescan_allowed = false;
intel_output->dev_priv = dvo;
intel_output->i2c_bus = i2cbus;
if (dvo->type == INTEL_DVO_CHIP_LVDS) {
/* For our LVDS chipsets, we should hopefully be able
* to dig the fixed panel mode out of the BIOS data.
* However, it's in a different format from the BIOS
* data on chipsets with integrated LVDS (stored in AIM
* headers, likely), so for now, just get the current
* mode being output through DVO.
*/
dvo->panel_fixed_mode = intel_dvo_get_current_mode(output);
dvo->panel_wants_dither = true;
}
drm_output_attach_property(output,
dev->mode_config.connector_type_property,
connector);
return;
}
free_i2c:
intel_i2c_destroy(intel_output->ddc_bus);
/* Didn't find a chip, so tear down. */
if (i2cbus != NULL)
intel_i2c_destroy(i2cbus);
free_intel:
kfree(intel_output);
}

34
shared-core/i915_drv.h
View File

@ -685,11 +685,39 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
#define PPCR_ON (1<<0)
#define DVOA 0x61120
#define DVOA_ON (1<<31)
#define DVOB 0x61140
#define DVOB_ON (1<<31)
#define DVOC 0x61160
#define DVOC_ON (1<<31)
#define DVO_ENABLE (1 << 31)
#define DVO_PIPE_B_SELECT (1 << 30)
#define DVO_PIPE_STALL_UNUSED (0 << 28)
#define DVO_PIPE_STALL (1 << 28)
#define DVO_PIPE_STALL_TV (2 << 28)
#define DVO_PIPE_STALL_MASK (3 << 28)
#define DVO_USE_VGA_SYNC (1 << 15)
#define DVO_DATA_ORDER_I740 (0 << 14)
#define DVO_DATA_ORDER_FP (1 << 14)
#define DVO_VSYNC_DISABLE (1 << 11)
#define DVO_HSYNC_DISABLE (1 << 10)
#define DVO_VSYNC_TRISTATE (1 << 9)
#define DVO_HSYNC_TRISTATE (1 << 8)
#define DVO_BORDER_ENABLE (1 << 7)
#define DVO_DATA_ORDER_GBRG (1 << 6)
#define DVO_DATA_ORDER_RGGB (0 << 6)
#define DVO_DATA_ORDER_GBRG_ERRATA (0 << 6)
#define DVO_DATA_ORDER_RGGB_ERRATA (1 << 6)
#define DVO_VSYNC_ACTIVE_HIGH (1 << 4)
#define DVO_HSYNC_ACTIVE_HIGH (1 << 3)
#define DVO_BLANK_ACTIVE_HIGH (1 << 2)
#define DVO_OUTPUT_CSTATE_PIXELS (1 << 1) /* SDG only */
#define DVO_OUTPUT_SOURCE_SIZE_PIXELS (1 << 0) /* SDG only */
#define DVO_PRESERVE_MASK (0x7<<24)
#define DVOA_SRCDIM 0x61124
#define DVOB_SRCDIM 0x61144
#define DVOC_SRCDIM 0x61164
#define DVO_SRCDIM_HORIZONTAL_SHIFT 12
#define DVO_SRCDIM_VERTICAL_SHIFT 0
#define LVDS 0x61180
#define LVDS_ON (1<<31)