aboutsummaryrefslogtreecommitdiffstats
path: root/recipes/linux/linux-omap-2.6.31/dss2/0011-OMAP-DSS2-Video-encoder-driver.patch
diff options
context:
space:
mode:
Diffstat (limited to 'recipes/linux/linux-omap-2.6.31/dss2/0011-OMAP-DSS2-Video-encoder-driver.patch')
-rw-r--r--recipes/linux/linux-omap-2.6.31/dss2/0011-OMAP-DSS2-Video-encoder-driver.patch821
1 files changed, 821 insertions, 0 deletions
diff --git a/recipes/linux/linux-omap-2.6.31/dss2/0011-OMAP-DSS2-Video-encoder-driver.patch b/recipes/linux/linux-omap-2.6.31/dss2/0011-OMAP-DSS2-Video-encoder-driver.patch
new file mode 100644
index 0000000000..f3cb9ab56f
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.31/dss2/0011-OMAP-DSS2-Video-encoder-driver.patch
@@ -0,0 +1,821 @@
+From e954e1ef739c39ffe671981ee8adbc7e9bb0249e Mon Sep 17 00:00:00 2001
+From: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+Date: Wed, 5 Aug 2009 16:18:06 +0300
+Subject: [PATCH 11/18] OMAP: DSS2: Video encoder driver
+
+VENC (video encoder) driver implements OMAP's analog S-Video/Composite
+TV-out.
+
+Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
+Acked-by: Tony Lindgren <tony@atomide.com>
+---
+ drivers/video/omap2/dss/venc.c | 797 ++++++++++++++++++++++++++++++++++++++++
+ 1 files changed, 797 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/video/omap2/dss/venc.c
+
+diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c
+new file mode 100644
+index 0000000..cf7827e
+--- /dev/null
++++ b/drivers/video/omap2/dss/venc.c
+@@ -0,0 +1,797 @@
++/*
++ * linux/drivers/video/omap2/dss/venc.c
++ *
++ * Copyright (C) 2009 Nokia Corporation
++ * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
++ *
++ * VENC settings from TI's DSS driver
++ *
++ * 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 "VENC"
++
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/clk.h>
++#include <linux/err.h>
++#include <linux/io.h>
++#include <linux/mutex.h>
++#include <linux/completion.h>
++#include <linux/delay.h>
++#include <linux/string.h>
++#include <linux/seq_file.h>
++#include <linux/platform_device.h>
++#include <linux/regulator/consumer.h>
++
++#include <mach/display.h>
++#include <mach/cpu.h>
++
++#include "dss.h"
++
++#define VENC_BASE 0x48050C00
++
++/* Venc registers */
++#define VENC_REV_ID 0x00
++#define VENC_STATUS 0x04
++#define VENC_F_CONTROL 0x08
++#define VENC_VIDOUT_CTRL 0x10
++#define VENC_SYNC_CTRL 0x14
++#define VENC_LLEN 0x1C
++#define VENC_FLENS 0x20
++#define VENC_HFLTR_CTRL 0x24
++#define VENC_CC_CARR_WSS_CARR 0x28
++#define VENC_C_PHASE 0x2C
++#define VENC_GAIN_U 0x30
++#define VENC_GAIN_V 0x34
++#define VENC_GAIN_Y 0x38
++#define VENC_BLACK_LEVEL 0x3C
++#define VENC_BLANK_LEVEL 0x40
++#define VENC_X_COLOR 0x44
++#define VENC_M_CONTROL 0x48
++#define VENC_BSTAMP_WSS_DATA 0x4C
++#define VENC_S_CARR 0x50
++#define VENC_LINE21 0x54
++#define VENC_LN_SEL 0x58
++#define VENC_L21__WC_CTL 0x5C
++#define VENC_HTRIGGER_VTRIGGER 0x60
++#define VENC_SAVID__EAVID 0x64
++#define VENC_FLEN__FAL 0x68
++#define VENC_LAL__PHASE_RESET 0x6C
++#define VENC_HS_INT_START_STOP_X 0x70
++#define VENC_HS_EXT_START_STOP_X 0x74
++#define VENC_VS_INT_START_X 0x78
++#define VENC_VS_INT_STOP_X__VS_INT_START_Y 0x7C
++#define VENC_VS_INT_STOP_Y__VS_EXT_START_X 0x80
++#define VENC_VS_EXT_STOP_X__VS_EXT_START_Y 0x84
++#define VENC_VS_EXT_STOP_Y 0x88
++#define VENC_AVID_START_STOP_X 0x90
++#define VENC_AVID_START_STOP_Y 0x94
++#define VENC_FID_INT_START_X__FID_INT_START_Y 0xA0
++#define VENC_FID_INT_OFFSET_Y__FID_EXT_START_X 0xA4
++#define VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y 0xA8
++#define VENC_TVDETGP_INT_START_STOP_X 0xB0
++#define VENC_TVDETGP_INT_START_STOP_Y 0xB4
++#define VENC_GEN_CTRL 0xB8
++#define VENC_OUTPUT_CONTROL 0xC4
++#define VENC_OUTPUT_TEST 0xC8
++#define VENC_DAC_B__DAC_C 0xC8
++
++struct venc_config {
++ u32 f_control;
++ u32 vidout_ctrl;
++ u32 sync_ctrl;
++ u32 llen;
++ u32 flens;
++ u32 hfltr_ctrl;
++ u32 cc_carr_wss_carr;
++ u32 c_phase;
++ u32 gain_u;
++ u32 gain_v;
++ u32 gain_y;
++ u32 black_level;
++ u32 blank_level;
++ u32 x_color;
++ u32 m_control;
++ u32 bstamp_wss_data;
++ u32 s_carr;
++ u32 line21;
++ u32 ln_sel;
++ u32 l21__wc_ctl;
++ u32 htrigger_vtrigger;
++ u32 savid__eavid;
++ u32 flen__fal;
++ u32 lal__phase_reset;
++ u32 hs_int_start_stop_x;
++ u32 hs_ext_start_stop_x;
++ u32 vs_int_start_x;
++ u32 vs_int_stop_x__vs_int_start_y;
++ u32 vs_int_stop_y__vs_ext_start_x;
++ u32 vs_ext_stop_x__vs_ext_start_y;
++ u32 vs_ext_stop_y;
++ u32 avid_start_stop_x;
++ u32 avid_start_stop_y;
++ u32 fid_int_start_x__fid_int_start_y;
++ u32 fid_int_offset_y__fid_ext_start_x;
++ u32 fid_ext_start_y__fid_ext_offset_y;
++ u32 tvdetgp_int_start_stop_x;
++ u32 tvdetgp_int_start_stop_y;
++ u32 gen_ctrl;
++};
++
++/* from TRM */
++static const struct venc_config venc_config_pal_trm = {
++ .f_control = 0,
++ .vidout_ctrl = 1,
++ .sync_ctrl = 0x40,
++ .llen = 0x35F, /* 863 */
++ .flens = 0x270, /* 624 */
++ .hfltr_ctrl = 0,
++ .cc_carr_wss_carr = 0x2F7225ED,
++ .c_phase = 0,
++ .gain_u = 0x111,
++ .gain_v = 0x181,
++ .gain_y = 0x140,
++ .black_level = 0x3B,
++ .blank_level = 0x3B,
++ .x_color = 0x7,
++ .m_control = 0x2,
++ .bstamp_wss_data = 0x3F,
++ .s_carr = 0x2A098ACB,
++ .line21 = 0,
++ .ln_sel = 0x01290015,
++ .l21__wc_ctl = 0x0000F603,
++ .htrigger_vtrigger = 0,
++
++ .savid__eavid = 0x06A70108,
++ .flen__fal = 0x00180270,
++ .lal__phase_reset = 0x00040135,
++ .hs_int_start_stop_x = 0x00880358,
++ .hs_ext_start_stop_x = 0x000F035F,
++ .vs_int_start_x = 0x01A70000,
++ .vs_int_stop_x__vs_int_start_y = 0x000001A7,
++ .vs_int_stop_y__vs_ext_start_x = 0x01AF0000,
++ .vs_ext_stop_x__vs_ext_start_y = 0x000101AF,
++ .vs_ext_stop_y = 0x00000025,
++ .avid_start_stop_x = 0x03530083,
++ .avid_start_stop_y = 0x026C002E,
++ .fid_int_start_x__fid_int_start_y = 0x0001008A,
++ .fid_int_offset_y__fid_ext_start_x = 0x002E0138,
++ .fid_ext_start_y__fid_ext_offset_y = 0x01380001,
++
++ .tvdetgp_int_start_stop_x = 0x00140001,
++ .tvdetgp_int_start_stop_y = 0x00010001,
++ .gen_ctrl = 0x00FF0000,
++};
++
++/* from TRM */
++static const struct venc_config venc_config_ntsc_trm = {
++ .f_control = 0,
++ .vidout_ctrl = 1,
++ .sync_ctrl = 0x8040,
++ .llen = 0x359,
++ .flens = 0x20C,
++ .hfltr_ctrl = 0,
++ .cc_carr_wss_carr = 0x043F2631,
++ .c_phase = 0,
++ .gain_u = 0x102,
++ .gain_v = 0x16C,
++ .gain_y = 0x12F,
++ .black_level = 0x43,
++ .blank_level = 0x38,
++ .x_color = 0x7,
++ .m_control = 0x1,
++ .bstamp_wss_data = 0x38,
++ .s_carr = 0x21F07C1F,
++ .line21 = 0,
++ .ln_sel = 0x01310011,
++ .l21__wc_ctl = 0x0000F003,
++ .htrigger_vtrigger = 0,
++
++ .savid__eavid = 0x069300F4,
++ .flen__fal = 0x0016020C,
++ .lal__phase_reset = 0x00060107,
++ .hs_int_start_stop_x = 0x008E0350,
++ .hs_ext_start_stop_x = 0x000F0359,
++ .vs_int_start_x = 0x01A00000,
++ .vs_int_stop_x__vs_int_start_y = 0x020701A0,
++ .vs_int_stop_y__vs_ext_start_x = 0x01AC0024,
++ .vs_ext_stop_x__vs_ext_start_y = 0x020D01AC,
++ .vs_ext_stop_y = 0x00000006,
++ .avid_start_stop_x = 0x03480078,
++ .avid_start_stop_y = 0x02060024,
++ .fid_int_start_x__fid_int_start_y = 0x0001008A,
++ .fid_int_offset_y__fid_ext_start_x = 0x01AC0106,
++ .fid_ext_start_y__fid_ext_offset_y = 0x01060006,
++
++ .tvdetgp_int_start_stop_x = 0x00140001,
++ .tvdetgp_int_start_stop_y = 0x00010001,
++ .gen_ctrl = 0x00F90000,
++};
++
++static const struct venc_config venc_config_pal_bdghi = {
++ .f_control = 0,
++ .vidout_ctrl = 0,
++ .sync_ctrl = 0,
++ .hfltr_ctrl = 0,
++ .x_color = 0,
++ .line21 = 0,
++ .ln_sel = 21,
++ .htrigger_vtrigger = 0,
++ .tvdetgp_int_start_stop_x = 0x00140001,
++ .tvdetgp_int_start_stop_y = 0x00010001,
++ .gen_ctrl = 0x00FB0000,
++
++ .llen = 864-1,
++ .flens = 625-1,
++ .cc_carr_wss_carr = 0x2F7625ED,
++ .c_phase = 0xDF,
++ .gain_u = 0x111,
++ .gain_v = 0x181,
++ .gain_y = 0x140,
++ .black_level = 0x3e,
++ .blank_level = 0x3e,
++ .m_control = 0<<2 | 1<<1,
++ .bstamp_wss_data = 0x42,
++ .s_carr = 0x2a098acb,
++ .l21__wc_ctl = 0<<13 | 0x16<<8 | 0<<0,
++ .savid__eavid = 0x06A70108,
++ .flen__fal = 23<<16 | 624<<0,
++ .lal__phase_reset = 2<<17 | 310<<0,
++ .hs_int_start_stop_x = 0x00920358,
++ .hs_ext_start_stop_x = 0x000F035F,
++ .vs_int_start_x = 0x1a7<<16,
++ .vs_int_stop_x__vs_int_start_y = 0x000601A7,
++ .vs_int_stop_y__vs_ext_start_x = 0x01AF0036,
++ .vs_ext_stop_x__vs_ext_start_y = 0x27101af,
++ .vs_ext_stop_y = 0x05,
++ .avid_start_stop_x = 0x03530082,
++ .avid_start_stop_y = 0x0270002E,
++ .fid_int_start_x__fid_int_start_y = 0x0005008A,
++ .fid_int_offset_y__fid_ext_start_x = 0x002E0138,
++ .fid_ext_start_y__fid_ext_offset_y = 0x01380005,
++};
++
++const struct omap_video_timings omap_dss_pal_timings = {
++ .x_res = 720,
++ .y_res = 574,
++ .pixel_clock = 13500,
++ .hsw = 64,
++ .hfp = 12,
++ .hbp = 68,
++ .vsw = 5,
++ .vfp = 5,
++ .vbp = 41,
++};
++EXPORT_SYMBOL(omap_dss_pal_timings);
++
++const struct omap_video_timings omap_dss_ntsc_timings = {
++ .x_res = 720,
++ .y_res = 482,
++ .pixel_clock = 13500,
++ .hsw = 64,
++ .hfp = 16,
++ .hbp = 58,
++ .vsw = 6,
++ .vfp = 6,
++ .vbp = 31,
++};
++EXPORT_SYMBOL(omap_dss_ntsc_timings);
++
++static struct {
++ void __iomem *base;
++ struct mutex venc_lock;
++ u32 wss_data;
++ struct regulator *vdda_dac_reg;
++} venc;
++
++static inline void venc_write_reg(int idx, u32 val)
++{
++ __raw_writel(val, venc.base + idx);
++}
++
++static inline u32 venc_read_reg(int idx)
++{
++ u32 l = __raw_readl(venc.base + idx);
++ return l;
++}
++
++static void venc_write_config(const struct venc_config *config)
++{
++ DSSDBG("write venc conf\n");
++
++ venc_write_reg(VENC_LLEN, config->llen);
++ venc_write_reg(VENC_FLENS, config->flens);
++ venc_write_reg(VENC_CC_CARR_WSS_CARR, config->cc_carr_wss_carr);
++ venc_write_reg(VENC_C_PHASE, config->c_phase);
++ venc_write_reg(VENC_GAIN_U, config->gain_u);
++ venc_write_reg(VENC_GAIN_V, config->gain_v);
++ venc_write_reg(VENC_GAIN_Y, config->gain_y);
++ venc_write_reg(VENC_BLACK_LEVEL, config->black_level);
++ venc_write_reg(VENC_BLANK_LEVEL, config->blank_level);
++ venc_write_reg(VENC_M_CONTROL, config->m_control);
++ venc_write_reg(VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
++ venc.wss_data);
++ venc_write_reg(VENC_S_CARR, config->s_carr);
++ venc_write_reg(VENC_L21__WC_CTL, config->l21__wc_ctl);
++ venc_write_reg(VENC_SAVID__EAVID, config->savid__eavid);
++ venc_write_reg(VENC_FLEN__FAL, config->flen__fal);
++ venc_write_reg(VENC_LAL__PHASE_RESET, config->lal__phase_reset);
++ venc_write_reg(VENC_HS_INT_START_STOP_X, config->hs_int_start_stop_x);
++ venc_write_reg(VENC_HS_EXT_START_STOP_X, config->hs_ext_start_stop_x);
++ venc_write_reg(VENC_VS_INT_START_X, config->vs_int_start_x);
++ venc_write_reg(VENC_VS_INT_STOP_X__VS_INT_START_Y,
++ config->vs_int_stop_x__vs_int_start_y);
++ venc_write_reg(VENC_VS_INT_STOP_Y__VS_EXT_START_X,
++ config->vs_int_stop_y__vs_ext_start_x);
++ venc_write_reg(VENC_VS_EXT_STOP_X__VS_EXT_START_Y,
++ config->vs_ext_stop_x__vs_ext_start_y);
++ venc_write_reg(VENC_VS_EXT_STOP_Y, config->vs_ext_stop_y);
++ venc_write_reg(VENC_AVID_START_STOP_X, config->avid_start_stop_x);
++ venc_write_reg(VENC_AVID_START_STOP_Y, config->avid_start_stop_y);
++ venc_write_reg(VENC_FID_INT_START_X__FID_INT_START_Y,
++ config->fid_int_start_x__fid_int_start_y);
++ venc_write_reg(VENC_FID_INT_OFFSET_Y__FID_EXT_START_X,
++ config->fid_int_offset_y__fid_ext_start_x);
++ venc_write_reg(VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y,
++ config->fid_ext_start_y__fid_ext_offset_y);
++
++ venc_write_reg(VENC_DAC_B__DAC_C, venc_read_reg(VENC_DAC_B__DAC_C));
++ venc_write_reg(VENC_VIDOUT_CTRL, config->vidout_ctrl);
++ venc_write_reg(VENC_HFLTR_CTRL, config->hfltr_ctrl);
++ venc_write_reg(VENC_X_COLOR, config->x_color);
++ venc_write_reg(VENC_LINE21, config->line21);
++ venc_write_reg(VENC_LN_SEL, config->ln_sel);
++ venc_write_reg(VENC_HTRIGGER_VTRIGGER, config->htrigger_vtrigger);
++ venc_write_reg(VENC_TVDETGP_INT_START_STOP_X,
++ config->tvdetgp_int_start_stop_x);
++ venc_write_reg(VENC_TVDETGP_INT_START_STOP_Y,
++ config->tvdetgp_int_start_stop_y);
++ venc_write_reg(VENC_GEN_CTRL, config->gen_ctrl);
++ venc_write_reg(VENC_F_CONTROL, config->f_control);
++ venc_write_reg(VENC_SYNC_CTRL, config->sync_ctrl);
++}
++
++static void venc_reset(void)
++{
++ int t = 1000;
++
++ venc_write_reg(VENC_F_CONTROL, 1<<8);
++ while (venc_read_reg(VENC_F_CONTROL) & (1<<8)) {
++ if (--t == 0) {
++ DSSERR("Failed to reset venc\n");
++ return;
++ }
++ }
++
++ /* the magical sleep that makes things work */
++ msleep(20);
++}
++
++static void venc_enable_clocks(int enable)
++{
++ if (enable)
++ dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M |
++ DSS_CLK_96M);
++ else
++ dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M |
++ DSS_CLK_96M);
++}
++
++static const struct venc_config *venc_timings_to_config(
++ struct omap_video_timings *timings)
++{
++ if (memcmp(&omap_dss_pal_timings, timings, sizeof(*timings)) == 0)
++ return &venc_config_pal_trm;
++
++ if (memcmp(&omap_dss_ntsc_timings, timings, sizeof(*timings)) == 0)
++ return &venc_config_ntsc_trm;
++
++ BUG();
++}
++
++
++
++
++
++/* driver */
++static int venc_panel_probe(struct omap_dss_device *dssdev)
++{
++ dssdev->panel.timings = omap_dss_pal_timings;
++
++ return 0;
++}
++
++static void venc_panel_remove(struct omap_dss_device *dssdev)
++{
++}
++
++static int venc_panel_enable(struct omap_dss_device *dssdev)
++{
++ int r = 0;
++
++ /* wait couple of vsyncs until enabling the LCD */
++ msleep(50);
++
++ if (dssdev->platform_enable)
++ r = dssdev->platform_enable(dssdev);
++
++ return r;
++}
++
++static void venc_panel_disable(struct omap_dss_device *dssdev)
++{
++ if (dssdev->platform_disable)
++ dssdev->platform_disable(dssdev);
++
++ /* wait at least 5 vsyncs after disabling the LCD */
++
++ msleep(100);
++}
++
++static int venc_panel_suspend(struct omap_dss_device *dssdev)
++{
++ venc_panel_disable(dssdev);
++ return 0;
++}
++
++static int venc_panel_resume(struct omap_dss_device *dssdev)
++{
++ return venc_panel_enable(dssdev);
++}
++
++static struct omap_dss_driver venc_driver = {
++ .probe = venc_panel_probe,
++ .remove = venc_panel_remove,
++
++ .enable = venc_panel_enable,
++ .disable = venc_panel_disable,
++ .suspend = venc_panel_suspend,
++ .resume = venc_panel_resume,
++
++ .driver = {
++ .name = "venc",
++ .owner = THIS_MODULE,
++ },
++};
++/* driver end */
++
++
++
++int venc_init(struct platform_device *pdev)
++{
++ u8 rev_id;
++
++ mutex_init(&venc.venc_lock);
++
++ venc.wss_data = 0;
++
++ venc.base = ioremap(VENC_BASE, SZ_1K);
++ if (!venc.base) {
++ DSSERR("can't ioremap VENC\n");
++ return -ENOMEM;
++ }
++
++ venc.vdda_dac_reg = regulator_get(&pdev->dev, "vdda_dac");
++ if (IS_ERR(venc.vdda_dac_reg)) {
++ iounmap(venc.base);
++ DSSERR("can't get VDDA_DAC regulator\n");
++ return PTR_ERR(venc.vdda_dac_reg);
++ }
++
++ venc_enable_clocks(1);
++
++ rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff);
++ printk(KERN_INFO "OMAP VENC rev %d\n", rev_id);
++
++ venc_enable_clocks(0);
++
++ return omap_dss_register_driver(&venc_driver);
++}
++
++void venc_exit(void)
++{
++ omap_dss_unregister_driver(&venc_driver);
++
++ regulator_put(venc.vdda_dac_reg);
++
++ iounmap(venc.base);
++}
++
++static void venc_power_on(struct omap_dss_device *dssdev)
++{
++ u32 l;
++
++ venc_enable_clocks(1);
++
++ venc_reset();
++ venc_write_config(venc_timings_to_config(&dssdev->panel.timings));
++
++ dss_set_venc_output(dssdev->phy.venc.type);
++ dss_set_dac_pwrdn_bgz(1);
++
++ l = 0;
++
++ if (dssdev->phy.venc.type == OMAP_DSS_VENC_TYPE_COMPOSITE)
++ l |= 1 << 1;
++ else /* S-Video */
++ l |= (1 << 0) | (1 << 2);
++
++ if (dssdev->phy.venc.invert_polarity == false)
++ l |= 1 << 3;
++
++ venc_write_reg(VENC_OUTPUT_CONTROL, l);
++
++ dispc_set_digit_size(dssdev->panel.timings.x_res,
++ dssdev->panel.timings.y_res/2);
++
++ regulator_enable(venc.vdda_dac_reg);
++
++ if (dssdev->platform_enable)
++ dssdev->platform_enable(dssdev);
++
++ dispc_enable_digit_out(1);
++}
++
++static void venc_power_off(struct omap_dss_device *dssdev)
++{
++ venc_write_reg(VENC_OUTPUT_CONTROL, 0);
++ dss_set_dac_pwrdn_bgz(0);
++
++ dispc_enable_digit_out(0);
++
++ if (dssdev->platform_disable)
++ dssdev->platform_disable(dssdev);
++
++ regulator_disable(venc.vdda_dac_reg);
++
++ venc_enable_clocks(0);
++}
++
++static int venc_enable_display(struct omap_dss_device *dssdev)
++{
++ int r = 0;
++
++ DSSDBG("venc_enable_display\n");
++
++ mutex_lock(&venc.venc_lock);
++
++ if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
++ r = -EINVAL;
++ goto err;
++ }
++
++ venc_power_on(dssdev);
++
++ venc.wss_data = 0;
++
++ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
++err:
++ mutex_unlock(&venc.venc_lock);
++
++ return r;
++}
++
++static void venc_disable_display(struct omap_dss_device *dssdev)
++{
++ DSSDBG("venc_disable_display\n");
++
++ mutex_lock(&venc.venc_lock);
++
++ if (dssdev->state == OMAP_DSS_DISPLAY_DISABLED)
++ goto end;
++
++ if (dssdev->state == OMAP_DSS_DISPLAY_SUSPENDED) {
++ /* suspended is the same as disabled with venc */
++ dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
++ goto end;
++ }
++
++ venc_power_off(dssdev);
++
++ dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
++end:
++ mutex_unlock(&venc.venc_lock);
++}
++
++static int venc_display_suspend(struct omap_dss_device *dssdev)
++{
++ int r = 0;
++
++ DSSDBG("venc_display_suspend\n");
++
++ mutex_lock(&venc.venc_lock);
++
++ if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) {
++ r = -EINVAL;
++ goto err;
++ }
++
++ venc_power_off(dssdev);
++
++ dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
++err:
++ mutex_unlock(&venc.venc_lock);
++
++ return r;
++}
++
++static int venc_display_resume(struct omap_dss_device *dssdev)
++{
++ int r = 0;
++
++ DSSDBG("venc_display_resume\n");
++
++ mutex_lock(&venc.venc_lock);
++
++ if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) {
++ r = -EINVAL;
++ goto err;
++ }
++
++ venc_power_on(dssdev);
++
++ dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
++err:
++ mutex_unlock(&venc.venc_lock);
++
++ return r;
++}
++
++static void venc_get_timings(struct omap_dss_device *dssdev,
++ struct omap_video_timings *timings)
++{
++ *timings = dssdev->panel.timings;
++}
++
++static void venc_set_timings(struct omap_dss_device *dssdev,
++ struct omap_video_timings *timings)
++{
++ DSSDBG("venc_set_timings\n");
++
++ /* Reset WSS data when the TV standard changes. */
++ if (memcmp(&dssdev->panel.timings, timings, sizeof(*timings)))
++ venc.wss_data = 0;
++
++ dssdev->panel.timings = *timings;
++ if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
++ /* turn the venc off and on to get new timings to use */
++ venc_disable_display(dssdev);
++ venc_enable_display(dssdev);
++ }
++}
++
++static int venc_check_timings(struct omap_dss_device *dssdev,
++ struct omap_video_timings *timings)
++{
++ DSSDBG("venc_check_timings\n");
++
++ if (memcmp(&omap_dss_pal_timings, timings, sizeof(*timings)) == 0)
++ return 0;
++
++ if (memcmp(&omap_dss_ntsc_timings, timings, sizeof(*timings)) == 0)
++ return 0;
++
++ return -EINVAL;
++}
++
++static u32 venc_get_wss(struct omap_dss_device *dssdev)
++{
++ /* Invert due to VENC_L21_WC_CTL:INV=1 */
++ return (venc.wss_data >> 8) ^ 0xfffff;
++}
++
++static int venc_set_wss(struct omap_dss_device *dssdev, u32 wss)
++{
++ const struct venc_config *config;
++
++ DSSDBG("venc_set_wss\n");
++
++ mutex_lock(&venc.venc_lock);
++
++ config = venc_timings_to_config(&dssdev->panel.timings);
++
++ /* Invert due to VENC_L21_WC_CTL:INV=1 */
++ venc.wss_data = (wss ^ 0xfffff) << 8;
++
++ venc_enable_clocks(1);
++
++ venc_write_reg(VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
++ venc.wss_data);
++
++ venc_enable_clocks(0);
++
++ mutex_unlock(&venc.venc_lock);
++
++ return 0;
++}
++
++static enum omap_dss_update_mode venc_display_get_update_mode(
++ struct omap_dss_device *dssdev)
++{
++ if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
++ return OMAP_DSS_UPDATE_AUTO;
++ else
++ return OMAP_DSS_UPDATE_DISABLED;
++}
++
++int venc_init_display(struct omap_dss_device *dssdev)
++{
++ DSSDBG("init_display\n");
++
++ dssdev->enable = venc_enable_display;
++ dssdev->disable = venc_disable_display;
++ dssdev->suspend = venc_display_suspend;
++ dssdev->resume = venc_display_resume;
++ dssdev->get_timings = venc_get_timings;
++ dssdev->set_timings = venc_set_timings;
++ dssdev->check_timings = venc_check_timings;
++ dssdev->get_wss = venc_get_wss;
++ dssdev->set_wss = venc_set_wss;
++ dssdev->get_update_mode = venc_display_get_update_mode;
++
++ return 0;
++}
++
++void venc_dump_regs(struct seq_file *s)
++{
++#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, venc_read_reg(r))
++
++ venc_enable_clocks(1);
++
++ DUMPREG(VENC_F_CONTROL);
++ DUMPREG(VENC_VIDOUT_CTRL);
++ DUMPREG(VENC_SYNC_CTRL);
++ DUMPREG(VENC_LLEN);
++ DUMPREG(VENC_FLENS);
++ DUMPREG(VENC_HFLTR_CTRL);
++ DUMPREG(VENC_CC_CARR_WSS_CARR);
++ DUMPREG(VENC_C_PHASE);
++ DUMPREG(VENC_GAIN_U);
++ DUMPREG(VENC_GAIN_V);
++ DUMPREG(VENC_GAIN_Y);
++ DUMPREG(VENC_BLACK_LEVEL);
++ DUMPREG(VENC_BLANK_LEVEL);
++ DUMPREG(VENC_X_COLOR);
++ DUMPREG(VENC_M_CONTROL);
++ DUMPREG(VENC_BSTAMP_WSS_DATA);
++ DUMPREG(VENC_S_CARR);
++ DUMPREG(VENC_LINE21);
++ DUMPREG(VENC_LN_SEL);
++ DUMPREG(VENC_L21__WC_CTL);
++ DUMPREG(VENC_HTRIGGER_VTRIGGER);
++ DUMPREG(VENC_SAVID__EAVID);
++ DUMPREG(VENC_FLEN__FAL);
++ DUMPREG(VENC_LAL__PHASE_RESET);
++ DUMPREG(VENC_HS_INT_START_STOP_X);
++ DUMPREG(VENC_HS_EXT_START_STOP_X);
++ DUMPREG(VENC_VS_INT_START_X);
++ DUMPREG(VENC_VS_INT_STOP_X__VS_INT_START_Y);
++ DUMPREG(VENC_VS_INT_STOP_Y__VS_EXT_START_X);
++ DUMPREG(VENC_VS_EXT_STOP_X__VS_EXT_START_Y);
++ DUMPREG(VENC_VS_EXT_STOP_Y);
++ DUMPREG(VENC_AVID_START_STOP_X);
++ DUMPREG(VENC_AVID_START_STOP_Y);
++ DUMPREG(VENC_FID_INT_START_X__FID_INT_START_Y);
++ DUMPREG(VENC_FID_INT_OFFSET_Y__FID_EXT_START_X);
++ DUMPREG(VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y);
++ DUMPREG(VENC_TVDETGP_INT_START_STOP_X);
++ DUMPREG(VENC_TVDETGP_INT_START_STOP_Y);
++ DUMPREG(VENC_GEN_CTRL);
++ DUMPREG(VENC_OUTPUT_CONTROL);
++ DUMPREG(VENC_OUTPUT_TEST);
++
++ venc_enable_clocks(0);
++
++#undef DUMPREG
++}
+--
+1.6.2.4
+
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-02 17:54:29 +0000