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path: root/drivers/staging/gma500/cdv_intel_crt.c
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Diffstat (limited to 'drivers/staging/gma500/cdv_intel_crt.c')
-rw-r--r--drivers/staging/gma500/cdv_intel_crt.c326
1 files changed, 0 insertions, 326 deletions
diff --git a/drivers/staging/gma500/cdv_intel_crt.c b/drivers/staging/gma500/cdv_intel_crt.c
deleted file mode 100644
index efda63b97b4..00000000000
--- a/drivers/staging/gma500/cdv_intel_crt.c
+++ /dev/null
@@ -1,326 +0,0 @@
-/*
- * 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>
- */
-
-#include <linux/i2c.h>
-#include <drm/drmP.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-
-static void cdv_intel_crt_dpms(struct drm_encoder *encoder, int mode)
-{
- struct drm_device *dev = encoder->dev;
- u32 temp, reg;
- reg = ADPA;
-
- temp = REG_READ(reg);
- temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE);
- temp &= ~ADPA_DAC_ENABLE;
-
- switch (mode) {
- case DRM_MODE_DPMS_ON:
- temp |= ADPA_DAC_ENABLE;
- break;
- case DRM_MODE_DPMS_STANDBY:
- temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE;
- break;
- case DRM_MODE_DPMS_SUSPEND:
- temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE;
- break;
- case DRM_MODE_DPMS_OFF:
- temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE;
- break;
- }
-
- REG_WRITE(reg, temp);
-}
-
-static int cdv_intel_crt_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode)
-{
- int max_clock = 0;
- if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
- return MODE_NO_DBLESCAN;
-
- /* The lowest clock for CDV is 20000KHz */
- if (mode->clock < 20000)
- return MODE_CLOCK_LOW;
-
- /* The max clock for CDV is 355 instead of 400 */
- max_clock = 355000;
- if (mode->clock > max_clock)
- return MODE_CLOCK_HIGH;
-
- if (mode->hdisplay > 1680 || mode->vdisplay > 1050)
- return MODE_PANEL;
-
- return MODE_OK;
-}
-
-static bool cdv_intel_crt_mode_fixup(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- return true;
-}
-
-static void cdv_intel_crt_mode_set(struct drm_encoder *encoder,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
-
- struct drm_device *dev = encoder->dev;
- struct drm_crtc *crtc = encoder->crtc;
- struct psb_intel_crtc *psb_intel_crtc =
- to_psb_intel_crtc(crtc);
- int dpll_md_reg;
- u32 adpa, dpll_md;
- u32 adpa_reg;
-
- if (psb_intel_crtc->pipe == 0)
- dpll_md_reg = DPLL_A_MD;
- else
- dpll_md_reg = DPLL_B_MD;
-
- adpa_reg = ADPA;
-
- /*
- * Disable separate mode multiplier used when cloning SDVO to CRT
- * XXX this needs to be adjusted when we really are cloning
- */
- {
- dpll_md = REG_READ(dpll_md_reg);
- REG_WRITE(dpll_md_reg,
- dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
- }
-
- adpa = 0;
- if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
- adpa |= ADPA_HSYNC_ACTIVE_HIGH;
- if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
- adpa |= ADPA_VSYNC_ACTIVE_HIGH;
-
- if (psb_intel_crtc->pipe == 0)
- adpa |= ADPA_PIPE_A_SELECT;
- else
- adpa |= ADPA_PIPE_B_SELECT;
-
- REG_WRITE(adpa_reg, adpa);
-}
-
-
-/**
- * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence.
- *
- * \return true if CRT is connected.
- * \return false if CRT is disconnected.
- */
-static bool cdv_intel_crt_detect_hotplug(struct drm_connector *connector,
- bool force)
-{
- struct drm_device *dev = connector->dev;
- u32 hotplug_en;
- int i, tries = 0, ret = false;
- u32 adpa_orig;
-
- /* disable the DAC when doing the hotplug detection */
-
- adpa_orig = REG_READ(ADPA);
-
- REG_WRITE(ADPA, adpa_orig & ~(ADPA_DAC_ENABLE));
-
- /*
- * On a CDV thep, CRT detect sequence need to be done twice
- * to get a reliable result.
- */
- tries = 2;
-
- hotplug_en = REG_READ(PORT_HOTPLUG_EN);
- hotplug_en &= ~(CRT_HOTPLUG_DETECT_MASK);
- hotplug_en |= CRT_HOTPLUG_FORCE_DETECT;
-
- hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
- hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;
-
- for (i = 0; i < tries ; i++) {
- unsigned long timeout;
- /* turn on the FORCE_DETECT */
- REG_WRITE(PORT_HOTPLUG_EN, hotplug_en);
- timeout = jiffies + msecs_to_jiffies(1000);
- /* wait for FORCE_DETECT to go off */
- do {
- if (!(REG_READ(PORT_HOTPLUG_EN) &
- CRT_HOTPLUG_FORCE_DETECT))
- break;
- msleep(1);
- } while (time_after(timeout, jiffies));
- }
-
- if ((REG_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) !=
- CRT_HOTPLUG_MONITOR_NONE)
- ret = true;
-
- /* Restore the saved ADPA */
- REG_WRITE(ADPA, adpa_orig);
- return ret;
-}
-
-static enum drm_connector_status cdv_intel_crt_detect(
- struct drm_connector *connector, bool force)
-{
- if (cdv_intel_crt_detect_hotplug(connector, force))
- return connector_status_connected;
- else
- return connector_status_disconnected;
-}
-
-static void cdv_intel_crt_destroy(struct drm_connector *connector)
-{
- struct psb_intel_output *intel_output = to_psb_intel_output(connector);
-
- psb_intel_i2c_destroy(intel_output->ddc_bus);
- drm_sysfs_connector_remove(connector);
- drm_connector_cleanup(connector);
- kfree(connector);
-}
-
-static int cdv_intel_crt_get_modes(struct drm_connector *connector)
-{
- struct psb_intel_output *intel_output =
- to_psb_intel_output(connector);
- return psb_intel_ddc_get_modes(intel_output);
-}
-
-static int cdv_intel_crt_set_property(struct drm_connector *connector,
- struct drm_property *property,
- uint64_t value)
-{
- return 0;
-}
-
-/*
- * Routines for controlling stuff on the analog port
- */
-
-static const struct drm_encoder_helper_funcs cdv_intel_crt_helper_funcs = {
- .dpms = cdv_intel_crt_dpms,
- .mode_fixup = cdv_intel_crt_mode_fixup,
- .prepare = psb_intel_encoder_prepare,
- .commit = psb_intel_encoder_commit,
- .mode_set = cdv_intel_crt_mode_set,
-};
-
-static const struct drm_connector_funcs cdv_intel_crt_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
- .detect = cdv_intel_crt_detect,
- .fill_modes = drm_helper_probe_single_connector_modes,
- .destroy = cdv_intel_crt_destroy,
- .set_property = cdv_intel_crt_set_property,
-};
-
-static const struct drm_connector_helper_funcs
- cdv_intel_crt_connector_helper_funcs = {
- .mode_valid = cdv_intel_crt_mode_valid,
- .get_modes = cdv_intel_crt_get_modes,
- .best_encoder = psb_intel_best_encoder,
-};
-
-static void cdv_intel_crt_enc_destroy(struct drm_encoder *encoder)
-{
- drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs cdv_intel_crt_enc_funcs = {
- .destroy = cdv_intel_crt_enc_destroy,
-};
-
-void cdv_intel_crt_init(struct drm_device *dev,
- struct psb_intel_mode_device *mode_dev)
-{
-
- struct psb_intel_output *psb_intel_output;
- struct drm_connector *connector;
- struct drm_encoder *encoder;
-
- u32 i2c_reg;
-
- psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
- if (!psb_intel_output)
- return;
-
- psb_intel_output->mode_dev = mode_dev;
- connector = &psb_intel_output->base;
- drm_connector_init(dev, connector,
- &cdv_intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
-
- encoder = &psb_intel_output->enc;
- drm_encoder_init(dev, encoder,
- &cdv_intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC);
-
- drm_mode_connector_attach_encoder(&psb_intel_output->base,
- &psb_intel_output->enc);
-
- /* Set up the DDC bus. */
- i2c_reg = GPIOA;
- /* Remove the following code for CDV */
- /*
- if (dev_priv->crt_ddc_bus != 0)
- i2c_reg = dev_priv->crt_ddc_bus;
- }*/
- psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
- i2c_reg, "CRTDDC_A");
- if (!psb_intel_output->ddc_bus) {
- dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
- "failed.\n");
- goto failed_ddc;
- }
-
- psb_intel_output->type = INTEL_OUTPUT_ANALOG;
- /*
- psb_intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT);
- psb_intel_output->crtc_mask = (1 << 0) | (1 << 1);
- */
- connector->interlace_allowed = 0;
- connector->doublescan_allowed = 0;
-
- drm_encoder_helper_add(encoder, &cdv_intel_crt_helper_funcs);
- drm_connector_helper_add(connector,
- &cdv_intel_crt_connector_helper_funcs);
-
- drm_sysfs_connector_add(connector);
-
- return;
-failed_ddc:
- drm_encoder_cleanup(&psb_intel_output->enc);
- drm_connector_cleanup(&psb_intel_output->base);
- kfree(psb_intel_output);
- return;
-}