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path: root/drivers/gpu/drm/gma500/mdfld_dsi_output.c
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Diffstat (limited to 'drivers/gpu/drm/gma500/mdfld_dsi_output.c')
-rw-r--r--drivers/gpu/drm/gma500/mdfld_dsi_output.c603
1 files changed, 0 insertions, 603 deletions
diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.c b/drivers/gpu/drm/gma500/mdfld_dsi_output.c
deleted file mode 100644
index 4aab76613bd9..000000000000
--- a/drivers/gpu/drm/gma500/mdfld_dsi_output.c
+++ /dev/null
@@ -1,603 +0,0 @@
-/*
- * Copyright © 2010 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:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include <linux/delay.h>
-#include <linux/moduleparam.h>
-#include <linux/pm_runtime.h>
-#include <linux/gpio/consumer.h>
-
-#include <asm/intel_scu_ipc.h>
-
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_dsi_pkg_sender.h"
-#include "mdfld_output.h"
-#include "tc35876x-dsi-lvds.h"
-
-/* get the LABC from command line. */
-static int LABC_control = 1;
-
-#ifdef MODULE
-module_param(LABC_control, int, 0644);
-#else
-
-static int __init parse_LABC_control(char *arg)
-{
- /* LABC control can be passed in as a cmdline parameter */
- /* to enable this feature add LABC=1 to cmdline */
- /* to disable this feature add LABC=0 to cmdline */
- if (!arg)
- return -EINVAL;
-
- if (!strcasecmp(arg, "0"))
- LABC_control = 0;
- else if (!strcasecmp(arg, "1"))
- LABC_control = 1;
-
- return 0;
-}
-early_param("LABC", parse_LABC_control);
-#endif
-
-/**
- * Check and see if the generic control or data buffer is empty and ready.
- */
-void mdfld_dsi_gen_fifo_ready(struct drm_device *dev, u32 gen_fifo_stat_reg,
- u32 fifo_stat)
-{
- u32 GEN_BF_time_out_count;
-
- /* Check MIPI Adatper command registers */
- for (GEN_BF_time_out_count = 0;
- GEN_BF_time_out_count < GEN_FB_TIME_OUT;
- GEN_BF_time_out_count++) {
- if ((REG_READ(gen_fifo_stat_reg) & fifo_stat) == fifo_stat)
- break;
- udelay(100);
- }
-
- if (GEN_BF_time_out_count == GEN_FB_TIME_OUT)
- DRM_ERROR("mdfld_dsi_gen_fifo_ready, Timeout. gen_fifo_stat_reg = 0x%x.\n",
- gen_fifo_stat_reg);
-}
-
-/**
- * Manage the DSI MIPI keyboard and display brightness.
- * FIXME: this is exported to OSPM code. should work out an specific
- * display interface to OSPM.
- */
-
-void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
- struct mdfld_dsi_pkg_sender *sender =
- mdfld_dsi_get_pkg_sender(dsi_config);
- struct drm_device *dev;
- struct drm_psb_private *dev_priv;
- u32 gen_ctrl_val;
-
- if (!sender) {
- DRM_ERROR("No sender found\n");
- return;
- }
-
- dev = sender->dev;
- dev_priv = dev->dev_private;
-
- /* Set default display backlight value to 85% (0xd8)*/
- mdfld_dsi_send_mcs_short(sender, write_display_brightness, 0xd8, 1,
- true);
-
- /* Set minimum brightness setting of CABC function to 20% (0x33)*/
- mdfld_dsi_send_mcs_short(sender, write_cabc_min_bright, 0x33, 1, true);
-
- /* Enable backlight or/and LABC */
- gen_ctrl_val = BRIGHT_CNTL_BLOCK_ON | DISPLAY_DIMMING_ON |
- BACKLIGHT_ON;
- if (LABC_control == 1)
- gen_ctrl_val |= DISPLAY_DIMMING_ON | DISPLAY_BRIGHTNESS_AUTO
- | GAMMA_AUTO;
-
- if (LABC_control == 1)
- gen_ctrl_val |= AMBIENT_LIGHT_SENSE_ON;
-
- dev_priv->mipi_ctrl_display = gen_ctrl_val;
-
- mdfld_dsi_send_mcs_short(sender, write_ctrl_display, (u8)gen_ctrl_val,
- 1, true);
-
- mdfld_dsi_send_mcs_short(sender, write_ctrl_cabc, UI_IMAGE, 1, true);
-}
-
-void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe, int level)
-{
- struct mdfld_dsi_pkg_sender *sender;
- struct drm_psb_private *dev_priv;
- struct mdfld_dsi_config *dsi_config;
- u32 gen_ctrl_val = 0;
- int p_type = TMD_VID;
-
- if (!dev || (pipe != 0 && pipe != 2)) {
- DRM_ERROR("Invalid parameter\n");
- return;
- }
-
- p_type = mdfld_get_panel_type(dev, 0);
-
- dev_priv = dev->dev_private;
-
- if (pipe)
- dsi_config = dev_priv->dsi_configs[1];
- else
- dsi_config = dev_priv->dsi_configs[0];
-
- sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
- if (!sender) {
- DRM_ERROR("No sender found\n");
- return;
- }
-
- gen_ctrl_val = (level * 0xff / MDFLD_DSI_BRIGHTNESS_MAX_LEVEL) & 0xff;
-
- dev_dbg(sender->dev->dev, "pipe = %d, gen_ctrl_val = %d.\n",
- pipe, gen_ctrl_val);
-
- if (p_type == TMD_VID) {
- /* Set display backlight value */
- mdfld_dsi_send_mcs_short(sender, tmd_write_display_brightness,
- (u8)gen_ctrl_val, 1, true);
- } else {
- /* Set display backlight value */
- mdfld_dsi_send_mcs_short(sender, write_display_brightness,
- (u8)gen_ctrl_val, 1, true);
-
- /* Enable backlight control */
- if (level == 0)
- gen_ctrl_val = 0;
- else
- gen_ctrl_val = dev_priv->mipi_ctrl_display;
-
- mdfld_dsi_send_mcs_short(sender, write_ctrl_display,
- (u8)gen_ctrl_val, 1, true);
- }
-}
-
-static int mdfld_dsi_get_panel_status(struct mdfld_dsi_config *dsi_config,
- u8 dcs, u32 *data, bool hs)
-{
- struct mdfld_dsi_pkg_sender *sender
- = mdfld_dsi_get_pkg_sender(dsi_config);
-
- if (!sender || !data) {
- DRM_ERROR("Invalid parameter\n");
- return -EINVAL;
- }
-
- return mdfld_dsi_read_mcs(sender, dcs, data, 1, hs);
-}
-
-int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config, u32 *mode,
- bool hs)
-{
- if (!dsi_config || !mode) {
- DRM_ERROR("Invalid parameter\n");
- return -EINVAL;
- }
-
- return mdfld_dsi_get_panel_status(dsi_config, 0x0a, mode, hs);
-}
-
-/*
- * NOTE: this function was used by OSPM.
- * TODO: will be removed later, should work out display interfaces for OSPM
- */
-void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
- if (!dsi_config || ((pipe != 0) && (pipe != 2))) {
- DRM_ERROR("Invalid parameters\n");
- return;
- }
-
- mdfld_dsi_dpi_controller_init(dsi_config, pipe);
-}
-
-static void mdfld_dsi_connector_save(struct drm_connector *connector)
-{
-}
-
-static void mdfld_dsi_connector_restore(struct drm_connector *connector)
-{
-}
-
-/* FIXME: start using the force parameter */
-static enum drm_connector_status
-mdfld_dsi_connector_detect(struct drm_connector *connector, bool force)
-{
- struct mdfld_dsi_connector *dsi_connector
- = mdfld_dsi_connector(connector);
-
- dsi_connector->status = connector_status_connected;
-
- return dsi_connector->status;
-}
-
-static int mdfld_dsi_connector_set_property(struct drm_connector *connector,
- struct drm_property *property,
- uint64_t value)
-{
- struct drm_encoder *encoder = connector->encoder;
-
- if (!strcmp(property->name, "scaling mode") && encoder) {
- struct gma_crtc *gma_crtc = to_gma_crtc(encoder->crtc);
- bool centerechange;
- uint64_t val;
-
- if (!gma_crtc)
- goto set_prop_error;
-
- switch (value) {
- case DRM_MODE_SCALE_FULLSCREEN:
- break;
- case DRM_MODE_SCALE_NO_SCALE:
- break;
- case DRM_MODE_SCALE_ASPECT:
- break;
- default:
- goto set_prop_error;
- }
-
- if (drm_object_property_get_value(&connector->base, property, &val))
- goto set_prop_error;
-
- if (val == value)
- goto set_prop_done;
-
- if (drm_object_property_set_value(&connector->base,
- property, value))
- goto set_prop_error;
-
- centerechange = (val == DRM_MODE_SCALE_NO_SCALE) ||
- (value == DRM_MODE_SCALE_NO_SCALE);
-
- if (gma_crtc->saved_mode.hdisplay != 0 &&
- gma_crtc->saved_mode.vdisplay != 0) {
- if (centerechange) {
- if (!drm_crtc_helper_set_mode(encoder->crtc,
- &gma_crtc->saved_mode,
- encoder->crtc->x,
- encoder->crtc->y,
- encoder->crtc->primary->fb))
- goto set_prop_error;
- } else {
- const struct drm_encoder_helper_funcs *funcs =
- encoder->helper_private;
- funcs->mode_set(encoder,
- &gma_crtc->saved_mode,
- &gma_crtc->saved_adjusted_mode);
- }
- }
- } else if (!strcmp(property->name, "backlight") && encoder) {
- if (drm_object_property_set_value(&connector->base, property,
- value))
- goto set_prop_error;
- else
- gma_backlight_set(encoder->dev, value);
- }
-set_prop_done:
- return 0;
-set_prop_error:
- return -1;
-}
-
-static void mdfld_dsi_connector_destroy(struct drm_connector *connector)
-{
- struct mdfld_dsi_connector *dsi_connector =
- mdfld_dsi_connector(connector);
- struct mdfld_dsi_pkg_sender *sender;
-
- if (!dsi_connector)
- return;
- drm_connector_unregister(connector);
- drm_connector_cleanup(connector);
- sender = dsi_connector->pkg_sender;
- mdfld_dsi_pkg_sender_destroy(sender);
- kfree(dsi_connector);
-}
-
-static int mdfld_dsi_connector_get_modes(struct drm_connector *connector)
-{
- struct mdfld_dsi_connector *dsi_connector =
- mdfld_dsi_connector(connector);
- struct mdfld_dsi_config *dsi_config =
- mdfld_dsi_get_config(dsi_connector);
- struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
- struct drm_display_mode *dup_mode = NULL;
- struct drm_device *dev = connector->dev;
-
- if (fixed_mode) {
- dev_dbg(dev->dev, "fixed_mode %dx%d\n",
- fixed_mode->hdisplay, fixed_mode->vdisplay);
- dup_mode = drm_mode_duplicate(dev, fixed_mode);
- drm_mode_probed_add(connector, dup_mode);
- return 1;
- }
- DRM_ERROR("Didn't get any modes!\n");
- return 0;
-}
-
-static enum drm_mode_status mdfld_dsi_connector_mode_valid(struct drm_connector *connector,
- struct drm_display_mode *mode)
-{
- struct mdfld_dsi_connector *dsi_connector =
- mdfld_dsi_connector(connector);
- struct mdfld_dsi_config *dsi_config =
- mdfld_dsi_get_config(dsi_connector);
- struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
-
- if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
- return MODE_NO_DBLESCAN;
-
- if (mode->flags & DRM_MODE_FLAG_INTERLACE)
- return MODE_NO_INTERLACE;
-
- /**
- * FIXME: current DC has no fitting unit, reject any mode setting
- * request
- * Will figure out a way to do up-scaling(panel fitting) later.
- **/
- if (fixed_mode) {
- if (mode->hdisplay != fixed_mode->hdisplay)
- return MODE_PANEL;
-
- if (mode->vdisplay != fixed_mode->vdisplay)
- return MODE_PANEL;
- }
-
- return MODE_OK;
-}
-
-static struct drm_encoder *mdfld_dsi_connector_best_encoder(
- struct drm_connector *connector)
-{
- struct mdfld_dsi_connector *dsi_connector =
- mdfld_dsi_connector(connector);
- struct mdfld_dsi_config *dsi_config =
- mdfld_dsi_get_config(dsi_connector);
- return &dsi_config->encoder->base.base;
-}
-
-/*DSI connector funcs*/
-static const struct drm_connector_funcs mdfld_dsi_connector_funcs = {
- .dpms = drm_helper_connector_dpms,
- .detect = mdfld_dsi_connector_detect,
- .fill_modes = drm_helper_probe_single_connector_modes,
- .set_property = mdfld_dsi_connector_set_property,
- .destroy = mdfld_dsi_connector_destroy,
-};
-
-/*DSI connector helper funcs*/
-static const struct drm_connector_helper_funcs
- mdfld_dsi_connector_helper_funcs = {
- .get_modes = mdfld_dsi_connector_get_modes,
- .mode_valid = mdfld_dsi_connector_mode_valid,
- .best_encoder = mdfld_dsi_connector_best_encoder,
-};
-
-static int mdfld_dsi_get_default_config(struct drm_device *dev,
- struct mdfld_dsi_config *config, int pipe)
-{
- if (!dev || !config) {
- DRM_ERROR("Invalid parameters");
- return -EINVAL;
- }
-
- config->bpp = 24;
- if (mdfld_get_panel_type(dev, pipe) == TC35876X)
- config->lane_count = 4;
- else
- config->lane_count = 2;
- config->channel_num = 0;
-
- if (mdfld_get_panel_type(dev, pipe) == TMD_VID)
- config->video_mode = MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE;
- else if (mdfld_get_panel_type(dev, pipe) == TC35876X)
- config->video_mode =
- MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_EVENTS;
- else
- config->video_mode = MDFLD_DSI_VIDEO_BURST_MODE;
-
- return 0;
-}
-
-int mdfld_dsi_panel_reset(struct drm_device *ddev, int pipe)
-{
- struct device *dev = ddev->dev;
- struct gpio_desc *gpiod;
-
- /*
- * Raise the GPIO reset line for the corresponding pipe to HIGH,
- * this is probably because it is active low so this takes the
- * respective pipe out of reset. (We have no code to put it back
- * into reset in this driver.)
- */
- switch (pipe) {
- case 0:
- gpiod = gpiod_get(dev, "dsi-pipe0-reset", GPIOD_OUT_HIGH);
- if (IS_ERR(gpiod))
- return PTR_ERR(gpiod);
- break;
- case 2:
- gpiod = gpiod_get(dev, "dsi-pipe2-reset", GPIOD_OUT_HIGH);
- if (IS_ERR(gpiod))
- return PTR_ERR(gpiod);
- break;
- default:
- DRM_DEV_ERROR(dev, "Invalid output pipe\n");
- return -EINVAL;
- }
- gpiod_put(gpiod);
-
- /* Flush posted writes on the device */
- gpiod = gpiod_get(dev, "dsi-pipe0-reset", GPIOD_ASIS);
- if (IS_ERR(gpiod))
- return PTR_ERR(gpiod);
- gpiod_get_value(gpiod);
- gpiod_put(gpiod);
-
- return 0;
-}
-
-/*
- * MIPI output init
- * @dev drm device
- * @pipe pipe number. 0 or 2
- * @config
- *
- * Do the initialization of a MIPI output, including create DRM mode objects
- * initialization of DSI output on @pipe
- */
-void mdfld_dsi_output_init(struct drm_device *dev,
- int pipe,
- const struct panel_funcs *p_vid_funcs)
-{
- struct mdfld_dsi_config *dsi_config;
- struct mdfld_dsi_connector *dsi_connector;
- struct drm_connector *connector;
- struct mdfld_dsi_encoder *encoder;
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct panel_info dsi_panel_info;
- u32 width_mm, height_mm;
-
- dev_dbg(dev->dev, "init DSI output on pipe %d\n", pipe);
-
- if (pipe != 0 && pipe != 2) {
- DRM_ERROR("Invalid parameter\n");
- return;
- }
-
- /*create a new connector*/
- dsi_connector = kzalloc(sizeof(struct mdfld_dsi_connector), GFP_KERNEL);
- if (!dsi_connector) {
- DRM_ERROR("No memory");
- return;
- }
-
- dsi_connector->pipe = pipe;
-
- dsi_config = kzalloc(sizeof(struct mdfld_dsi_config),
- GFP_KERNEL);
- if (!dsi_config) {
- DRM_ERROR("cannot allocate memory for DSI config\n");
- goto dsi_init_err0;
- }
- mdfld_dsi_get_default_config(dev, dsi_config, pipe);
-
- dsi_connector->private = dsi_config;
-
- dsi_config->changed = 1;
- dsi_config->dev = dev;
-
- dsi_config->fixed_mode = p_vid_funcs->get_config_mode(dev);
- if (p_vid_funcs->get_panel_info(dev, pipe, &dsi_panel_info))
- goto dsi_init_err0;
-
- width_mm = dsi_panel_info.width_mm;
- height_mm = dsi_panel_info.height_mm;
-
- dsi_config->mode = dsi_config->fixed_mode;
- dsi_config->connector = dsi_connector;
-
- if (!dsi_config->fixed_mode) {
- DRM_ERROR("No panel fixed mode was found\n");
- goto dsi_init_err0;
- }
-
- if (pipe && dev_priv->dsi_configs[0]) {
- dsi_config->dvr_ic_inited = 0;
- dev_priv->dsi_configs[1] = dsi_config;
- } else if (pipe == 0) {
- dsi_config->dvr_ic_inited = 1;
- dev_priv->dsi_configs[0] = dsi_config;
- } else {
- DRM_ERROR("Trying to init MIPI1 before MIPI0\n");
- goto dsi_init_err0;
- }
-
-
- connector = &dsi_connector->base.base;
- dsi_connector->base.save = mdfld_dsi_connector_save;
- dsi_connector->base.restore = mdfld_dsi_connector_restore;
-
- drm_connector_init(dev, connector, &mdfld_dsi_connector_funcs,
- DRM_MODE_CONNECTOR_LVDS);
- drm_connector_helper_add(connector, &mdfld_dsi_connector_helper_funcs);
-
- connector->display_info.subpixel_order = SubPixelHorizontalRGB;
- connector->display_info.width_mm = width_mm;
- connector->display_info.height_mm = height_mm;
- connector->interlace_allowed = false;
- connector->doublescan_allowed = false;
-
- /*attach properties*/
- drm_object_attach_property(&connector->base,
- dev->mode_config.scaling_mode_property,
- DRM_MODE_SCALE_FULLSCREEN);
- drm_object_attach_property(&connector->base,
- dev_priv->backlight_property,
- MDFLD_DSI_BRIGHTNESS_MAX_LEVEL);
-
- /*init DSI package sender on this output*/
- if (mdfld_dsi_pkg_sender_init(dsi_connector, pipe)) {
- DRM_ERROR("Package Sender initialization failed on pipe %d\n",
- pipe);
- goto dsi_init_err0;
- }
-
- encoder = mdfld_dsi_dpi_init(dev, dsi_connector, p_vid_funcs);
- if (!encoder) {
- DRM_ERROR("Create DPI encoder failed\n");
- goto dsi_init_err1;
- }
- encoder->private = dsi_config;
- dsi_config->encoder = encoder;
- encoder->base.type = (pipe == 0) ? INTEL_OUTPUT_MIPI :
- INTEL_OUTPUT_MIPI2;
- drm_connector_register(connector);
- return;
-
- /*TODO: add code to destroy outputs on error*/
-dsi_init_err1:
- /*destroy sender*/
- mdfld_dsi_pkg_sender_destroy(dsi_connector->pkg_sender);
-
- drm_connector_cleanup(connector);
-
- kfree(dsi_config->fixed_mode);
- kfree(dsi_config);
-dsi_init_err0:
- kfree(dsi_connector);
-}