diff options
Diffstat (limited to 'drivers/video/omap2/dss/sdi.c')
| -rw-r--r-- | drivers/video/omap2/dss/sdi.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c deleted file mode 100644 index ee07a3cc22e..00000000000 --- a/drivers/video/omap2/dss/sdi.c +++ /dev/null @@ -1,180 +0,0 @@ -/* - * linux/drivers/video/omap2/dss/sdi.c - * - * Copyright (C) 2009 Nokia Corporation - * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#define DSS_SUBSYS_NAME "SDI" - -#include <linux/kernel.h> -#include <linux/clk.h> -#include <linux/delay.h> -#include <linux/err.h> -#include <linux/regulator/consumer.h> - -#include <plat/display.h> -#include <plat/cpu.h> -#include "dss.h" - -static struct { - bool skip_init; - bool update_enabled; - struct regulator *vdds_sdi_reg; -} sdi; - -static void sdi_basic_init(void) -{ - dispc_set_parallel_interface_mode(OMAP_DSS_PARALLELMODE_BYPASS); - - dispc_set_lcd_display_type(OMAP_DSS_LCD_DISPLAY_TFT); - dispc_set_tft_data_lines(24); - dispc_lcd_enable_signal_polarity(1); -} - -int omapdss_sdi_display_enable(struct omap_dss_device *dssdev) -{ - struct omap_video_timings *t = &dssdev->panel.timings; - struct dss_clock_info dss_cinfo; - struct dispc_clock_info dispc_cinfo; - u16 lck_div, pck_div; - unsigned long fck; - unsigned long pck; - int r; - - r = omap_dss_start_device(dssdev); - if (r) { - DSSERR("failed to start device\n"); - goto err0; - } - - r = regulator_enable(sdi.vdds_sdi_reg); - if (r) - goto err1; - - /* In case of skip_init sdi_init has already enabled the clocks */ - if (!sdi.skip_init) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); - - sdi_basic_init(); - - /* 15.5.9.1.2 */ - dssdev->panel.config |= OMAP_DSS_LCD_RF | OMAP_DSS_LCD_ONOFF; - - dispc_set_pol_freq(dssdev->panel.config, dssdev->panel.acbi, - dssdev->panel.acb); - - if (!sdi.skip_init) { - r = dss_calc_clock_div(1, t->pixel_clock * 1000, - &dss_cinfo, &dispc_cinfo); - } else { - r = dss_get_clock_div(&dss_cinfo); - r = dispc_get_clock_div(&dispc_cinfo); - } - - if (r) - goto err2; - - fck = dss_cinfo.fck; - lck_div = dispc_cinfo.lck_div; - pck_div = dispc_cinfo.pck_div; - - pck = fck / lck_div / pck_div / 1000; - - if (pck != t->pixel_clock) { - DSSWARN("Could not find exact pixel clock. Requested %d kHz, " - "got %lu kHz\n", - t->pixel_clock, pck); - - t->pixel_clock = pck; - } - - - dispc_set_lcd_timings(t); - - r = dss_set_clock_div(&dss_cinfo); - if (r) - goto err2; - - r = dispc_set_clock_div(&dispc_cinfo); - if (r) - goto err2; - - if (!sdi.skip_init) { - dss_sdi_init(dssdev->phy.sdi.datapairs); - r = dss_sdi_enable(); - if (r) - goto err1; - mdelay(2); - } - - dssdev->manager->enable(dssdev->manager); - - sdi.skip_init = 0; - - return 0; -err2: - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); - regulator_disable(sdi.vdds_sdi_reg); -err1: - omap_dss_stop_device(dssdev); -err0: - return r; -} -EXPORT_SYMBOL(omapdss_sdi_display_enable); - -void omapdss_sdi_display_disable(struct omap_dss_device *dssdev) -{ - dssdev->manager->disable(dssdev->manager); - - dss_sdi_disable(); - - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1); - - regulator_disable(sdi.vdds_sdi_reg); - - omap_dss_stop_device(dssdev); -} -EXPORT_SYMBOL(omapdss_sdi_display_disable); - -int sdi_init_display(struct omap_dss_device *dssdev) -{ - DSSDBG("SDI init\n"); - - return 0; -} - -int sdi_init(bool skip_init) -{ - /* we store this for first display enable, then clear it */ - sdi.skip_init = skip_init; - - sdi.vdds_sdi_reg = dss_get_vdds_sdi(); - if (IS_ERR(sdi.vdds_sdi_reg)) { - DSSERR("can't get VDDS_SDI regulator\n"); - return PTR_ERR(sdi.vdds_sdi_reg); - } - /* - * Enable clocks already here, otherwise there would be a toggle - * of them until sdi_display_enable is called. - */ - if (skip_init) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1); - return 0; -} - -void sdi_exit(void) -{ -} |