mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 12:43:55 +08:00
33ca237f80
Now that dss_mgr_enable returns an error value, check it in all the places dss_mgr_enable is used, and bail out properly. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
908 lines
21 KiB
C
908 lines
21 KiB
C
/*
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* linux/drivers/video/omap2/dss/venc.c
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*
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* Copyright (C) 2009 Nokia Corporation
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* Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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*
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* VENC settings from TI's DSS driver
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#define DSS_SUBSYS_NAME "VENC"
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/clk.h>
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#include <linux/err.h>
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#include <linux/io.h>
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#include <linux/mutex.h>
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#include <linux/completion.h>
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#include <linux/delay.h>
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#include <linux/string.h>
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#include <linux/seq_file.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/consumer.h>
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#include <linux/pm_runtime.h>
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#include <video/omapdss.h>
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#include <plat/cpu.h>
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#include "dss.h"
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#include "dss_features.h"
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/* Venc registers */
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#define VENC_REV_ID 0x00
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#define VENC_STATUS 0x04
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#define VENC_F_CONTROL 0x08
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#define VENC_VIDOUT_CTRL 0x10
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#define VENC_SYNC_CTRL 0x14
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#define VENC_LLEN 0x1C
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#define VENC_FLENS 0x20
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#define VENC_HFLTR_CTRL 0x24
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#define VENC_CC_CARR_WSS_CARR 0x28
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#define VENC_C_PHASE 0x2C
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#define VENC_GAIN_U 0x30
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#define VENC_GAIN_V 0x34
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#define VENC_GAIN_Y 0x38
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#define VENC_BLACK_LEVEL 0x3C
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#define VENC_BLANK_LEVEL 0x40
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#define VENC_X_COLOR 0x44
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#define VENC_M_CONTROL 0x48
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#define VENC_BSTAMP_WSS_DATA 0x4C
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#define VENC_S_CARR 0x50
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#define VENC_LINE21 0x54
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#define VENC_LN_SEL 0x58
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#define VENC_L21__WC_CTL 0x5C
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#define VENC_HTRIGGER_VTRIGGER 0x60
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#define VENC_SAVID__EAVID 0x64
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#define VENC_FLEN__FAL 0x68
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#define VENC_LAL__PHASE_RESET 0x6C
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#define VENC_HS_INT_START_STOP_X 0x70
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#define VENC_HS_EXT_START_STOP_X 0x74
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#define VENC_VS_INT_START_X 0x78
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#define VENC_VS_INT_STOP_X__VS_INT_START_Y 0x7C
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#define VENC_VS_INT_STOP_Y__VS_EXT_START_X 0x80
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#define VENC_VS_EXT_STOP_X__VS_EXT_START_Y 0x84
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#define VENC_VS_EXT_STOP_Y 0x88
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#define VENC_AVID_START_STOP_X 0x90
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#define VENC_AVID_START_STOP_Y 0x94
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#define VENC_FID_INT_START_X__FID_INT_START_Y 0xA0
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#define VENC_FID_INT_OFFSET_Y__FID_EXT_START_X 0xA4
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#define VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y 0xA8
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#define VENC_TVDETGP_INT_START_STOP_X 0xB0
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#define VENC_TVDETGP_INT_START_STOP_Y 0xB4
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#define VENC_GEN_CTRL 0xB8
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#define VENC_OUTPUT_CONTROL 0xC4
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#define VENC_OUTPUT_TEST 0xC8
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#define VENC_DAC_B__DAC_C 0xC8
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struct venc_config {
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u32 f_control;
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u32 vidout_ctrl;
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u32 sync_ctrl;
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u32 llen;
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u32 flens;
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u32 hfltr_ctrl;
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u32 cc_carr_wss_carr;
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u32 c_phase;
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u32 gain_u;
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u32 gain_v;
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u32 gain_y;
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u32 black_level;
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u32 blank_level;
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u32 x_color;
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u32 m_control;
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u32 bstamp_wss_data;
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u32 s_carr;
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u32 line21;
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u32 ln_sel;
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u32 l21__wc_ctl;
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u32 htrigger_vtrigger;
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u32 savid__eavid;
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u32 flen__fal;
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u32 lal__phase_reset;
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u32 hs_int_start_stop_x;
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u32 hs_ext_start_stop_x;
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u32 vs_int_start_x;
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u32 vs_int_stop_x__vs_int_start_y;
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u32 vs_int_stop_y__vs_ext_start_x;
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u32 vs_ext_stop_x__vs_ext_start_y;
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u32 vs_ext_stop_y;
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u32 avid_start_stop_x;
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u32 avid_start_stop_y;
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u32 fid_int_start_x__fid_int_start_y;
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u32 fid_int_offset_y__fid_ext_start_x;
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u32 fid_ext_start_y__fid_ext_offset_y;
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u32 tvdetgp_int_start_stop_x;
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u32 tvdetgp_int_start_stop_y;
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u32 gen_ctrl;
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};
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/* from TRM */
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static const struct venc_config venc_config_pal_trm = {
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.f_control = 0,
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.vidout_ctrl = 1,
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.sync_ctrl = 0x40,
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.llen = 0x35F, /* 863 */
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.flens = 0x270, /* 624 */
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.hfltr_ctrl = 0,
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.cc_carr_wss_carr = 0x2F7225ED,
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.c_phase = 0,
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.gain_u = 0x111,
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.gain_v = 0x181,
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.gain_y = 0x140,
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.black_level = 0x3B,
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.blank_level = 0x3B,
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.x_color = 0x7,
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.m_control = 0x2,
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.bstamp_wss_data = 0x3F,
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.s_carr = 0x2A098ACB,
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.line21 = 0,
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.ln_sel = 0x01290015,
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.l21__wc_ctl = 0x0000F603,
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.htrigger_vtrigger = 0,
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.savid__eavid = 0x06A70108,
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.flen__fal = 0x00180270,
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.lal__phase_reset = 0x00040135,
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.hs_int_start_stop_x = 0x00880358,
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.hs_ext_start_stop_x = 0x000F035F,
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.vs_int_start_x = 0x01A70000,
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.vs_int_stop_x__vs_int_start_y = 0x000001A7,
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.vs_int_stop_y__vs_ext_start_x = 0x01AF0000,
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.vs_ext_stop_x__vs_ext_start_y = 0x000101AF,
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.vs_ext_stop_y = 0x00000025,
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.avid_start_stop_x = 0x03530083,
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.avid_start_stop_y = 0x026C002E,
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.fid_int_start_x__fid_int_start_y = 0x0001008A,
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.fid_int_offset_y__fid_ext_start_x = 0x002E0138,
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.fid_ext_start_y__fid_ext_offset_y = 0x01380001,
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.tvdetgp_int_start_stop_x = 0x00140001,
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.tvdetgp_int_start_stop_y = 0x00010001,
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.gen_ctrl = 0x00FF0000,
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};
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/* from TRM */
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static const struct venc_config venc_config_ntsc_trm = {
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.f_control = 0,
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.vidout_ctrl = 1,
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.sync_ctrl = 0x8040,
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.llen = 0x359,
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.flens = 0x20C,
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.hfltr_ctrl = 0,
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.cc_carr_wss_carr = 0x043F2631,
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.c_phase = 0,
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.gain_u = 0x102,
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.gain_v = 0x16C,
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.gain_y = 0x12F,
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.black_level = 0x43,
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.blank_level = 0x38,
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.x_color = 0x7,
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.m_control = 0x1,
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.bstamp_wss_data = 0x38,
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.s_carr = 0x21F07C1F,
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.line21 = 0,
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.ln_sel = 0x01310011,
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.l21__wc_ctl = 0x0000F003,
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.htrigger_vtrigger = 0,
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.savid__eavid = 0x069300F4,
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.flen__fal = 0x0016020C,
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.lal__phase_reset = 0x00060107,
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.hs_int_start_stop_x = 0x008E0350,
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.hs_ext_start_stop_x = 0x000F0359,
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.vs_int_start_x = 0x01A00000,
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.vs_int_stop_x__vs_int_start_y = 0x020701A0,
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.vs_int_stop_y__vs_ext_start_x = 0x01AC0024,
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.vs_ext_stop_x__vs_ext_start_y = 0x020D01AC,
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.vs_ext_stop_y = 0x00000006,
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.avid_start_stop_x = 0x03480078,
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.avid_start_stop_y = 0x02060024,
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.fid_int_start_x__fid_int_start_y = 0x0001008A,
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.fid_int_offset_y__fid_ext_start_x = 0x01AC0106,
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.fid_ext_start_y__fid_ext_offset_y = 0x01060006,
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.tvdetgp_int_start_stop_x = 0x00140001,
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.tvdetgp_int_start_stop_y = 0x00010001,
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.gen_ctrl = 0x00F90000,
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};
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static const struct venc_config venc_config_pal_bdghi = {
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.f_control = 0,
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.vidout_ctrl = 0,
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.sync_ctrl = 0,
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.hfltr_ctrl = 0,
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.x_color = 0,
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.line21 = 0,
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.ln_sel = 21,
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.htrigger_vtrigger = 0,
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.tvdetgp_int_start_stop_x = 0x00140001,
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.tvdetgp_int_start_stop_y = 0x00010001,
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.gen_ctrl = 0x00FB0000,
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.llen = 864-1,
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.flens = 625-1,
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.cc_carr_wss_carr = 0x2F7625ED,
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.c_phase = 0xDF,
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.gain_u = 0x111,
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.gain_v = 0x181,
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.gain_y = 0x140,
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.black_level = 0x3e,
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.blank_level = 0x3e,
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.m_control = 0<<2 | 1<<1,
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.bstamp_wss_data = 0x42,
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.s_carr = 0x2a098acb,
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.l21__wc_ctl = 0<<13 | 0x16<<8 | 0<<0,
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.savid__eavid = 0x06A70108,
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.flen__fal = 23<<16 | 624<<0,
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.lal__phase_reset = 2<<17 | 310<<0,
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.hs_int_start_stop_x = 0x00920358,
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.hs_ext_start_stop_x = 0x000F035F,
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.vs_int_start_x = 0x1a7<<16,
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.vs_int_stop_x__vs_int_start_y = 0x000601A7,
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.vs_int_stop_y__vs_ext_start_x = 0x01AF0036,
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.vs_ext_stop_x__vs_ext_start_y = 0x27101af,
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.vs_ext_stop_y = 0x05,
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.avid_start_stop_x = 0x03530082,
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.avid_start_stop_y = 0x0270002E,
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.fid_int_start_x__fid_int_start_y = 0x0005008A,
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.fid_int_offset_y__fid_ext_start_x = 0x002E0138,
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.fid_ext_start_y__fid_ext_offset_y = 0x01380005,
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};
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const struct omap_video_timings omap_dss_pal_timings = {
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.x_res = 720,
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.y_res = 574,
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.pixel_clock = 13500,
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.hsw = 64,
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.hfp = 12,
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.hbp = 68,
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.vsw = 5,
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.vfp = 5,
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.vbp = 41,
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};
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EXPORT_SYMBOL(omap_dss_pal_timings);
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const struct omap_video_timings omap_dss_ntsc_timings = {
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.x_res = 720,
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.y_res = 482,
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.pixel_clock = 13500,
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.hsw = 64,
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.hfp = 16,
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.hbp = 58,
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.vsw = 6,
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.vfp = 6,
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.vbp = 31,
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};
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EXPORT_SYMBOL(omap_dss_ntsc_timings);
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static struct {
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struct platform_device *pdev;
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void __iomem *base;
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struct mutex venc_lock;
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u32 wss_data;
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struct regulator *vdda_dac_reg;
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struct clk *tv_dac_clk;
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} venc;
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static inline void venc_write_reg(int idx, u32 val)
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{
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__raw_writel(val, venc.base + idx);
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}
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static inline u32 venc_read_reg(int idx)
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{
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u32 l = __raw_readl(venc.base + idx);
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return l;
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}
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static void venc_write_config(const struct venc_config *config)
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{
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DSSDBG("write venc conf\n");
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venc_write_reg(VENC_LLEN, config->llen);
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venc_write_reg(VENC_FLENS, config->flens);
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venc_write_reg(VENC_CC_CARR_WSS_CARR, config->cc_carr_wss_carr);
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venc_write_reg(VENC_C_PHASE, config->c_phase);
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venc_write_reg(VENC_GAIN_U, config->gain_u);
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venc_write_reg(VENC_GAIN_V, config->gain_v);
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venc_write_reg(VENC_GAIN_Y, config->gain_y);
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venc_write_reg(VENC_BLACK_LEVEL, config->black_level);
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venc_write_reg(VENC_BLANK_LEVEL, config->blank_level);
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venc_write_reg(VENC_M_CONTROL, config->m_control);
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venc_write_reg(VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
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venc.wss_data);
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venc_write_reg(VENC_S_CARR, config->s_carr);
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venc_write_reg(VENC_L21__WC_CTL, config->l21__wc_ctl);
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venc_write_reg(VENC_SAVID__EAVID, config->savid__eavid);
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venc_write_reg(VENC_FLEN__FAL, config->flen__fal);
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venc_write_reg(VENC_LAL__PHASE_RESET, config->lal__phase_reset);
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venc_write_reg(VENC_HS_INT_START_STOP_X, config->hs_int_start_stop_x);
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venc_write_reg(VENC_HS_EXT_START_STOP_X, config->hs_ext_start_stop_x);
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venc_write_reg(VENC_VS_INT_START_X, config->vs_int_start_x);
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venc_write_reg(VENC_VS_INT_STOP_X__VS_INT_START_Y,
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config->vs_int_stop_x__vs_int_start_y);
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venc_write_reg(VENC_VS_INT_STOP_Y__VS_EXT_START_X,
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config->vs_int_stop_y__vs_ext_start_x);
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venc_write_reg(VENC_VS_EXT_STOP_X__VS_EXT_START_Y,
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config->vs_ext_stop_x__vs_ext_start_y);
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venc_write_reg(VENC_VS_EXT_STOP_Y, config->vs_ext_stop_y);
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venc_write_reg(VENC_AVID_START_STOP_X, config->avid_start_stop_x);
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venc_write_reg(VENC_AVID_START_STOP_Y, config->avid_start_stop_y);
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venc_write_reg(VENC_FID_INT_START_X__FID_INT_START_Y,
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config->fid_int_start_x__fid_int_start_y);
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venc_write_reg(VENC_FID_INT_OFFSET_Y__FID_EXT_START_X,
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config->fid_int_offset_y__fid_ext_start_x);
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venc_write_reg(VENC_FID_EXT_START_Y__FID_EXT_OFFSET_Y,
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config->fid_ext_start_y__fid_ext_offset_y);
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venc_write_reg(VENC_DAC_B__DAC_C, venc_read_reg(VENC_DAC_B__DAC_C));
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venc_write_reg(VENC_VIDOUT_CTRL, config->vidout_ctrl);
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venc_write_reg(VENC_HFLTR_CTRL, config->hfltr_ctrl);
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venc_write_reg(VENC_X_COLOR, config->x_color);
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venc_write_reg(VENC_LINE21, config->line21);
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venc_write_reg(VENC_LN_SEL, config->ln_sel);
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venc_write_reg(VENC_HTRIGGER_VTRIGGER, config->htrigger_vtrigger);
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venc_write_reg(VENC_TVDETGP_INT_START_STOP_X,
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config->tvdetgp_int_start_stop_x);
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venc_write_reg(VENC_TVDETGP_INT_START_STOP_Y,
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config->tvdetgp_int_start_stop_y);
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venc_write_reg(VENC_GEN_CTRL, config->gen_ctrl);
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venc_write_reg(VENC_F_CONTROL, config->f_control);
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venc_write_reg(VENC_SYNC_CTRL, config->sync_ctrl);
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}
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static void venc_reset(void)
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{
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int t = 1000;
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venc_write_reg(VENC_F_CONTROL, 1<<8);
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while (venc_read_reg(VENC_F_CONTROL) & (1<<8)) {
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if (--t == 0) {
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DSSERR("Failed to reset venc\n");
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return;
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}
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}
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#ifdef CONFIG_OMAP2_DSS_SLEEP_AFTER_VENC_RESET
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/* the magical sleep that makes things work */
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/* XXX more info? What bug this circumvents? */
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msleep(20);
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#endif
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}
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static int venc_runtime_get(void)
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{
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int r;
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DSSDBG("venc_runtime_get\n");
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r = pm_runtime_get_sync(&venc.pdev->dev);
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WARN_ON(r < 0);
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return r < 0 ? r : 0;
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}
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static void venc_runtime_put(void)
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{
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int r;
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DSSDBG("venc_runtime_put\n");
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r = pm_runtime_put(&venc.pdev->dev);
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WARN_ON(r < 0);
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}
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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();
|
|
}
|
|
|
|
static int venc_power_on(struct omap_dss_device *dssdev)
|
|
{
|
|
u32 l;
|
|
int r;
|
|
|
|
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);
|
|
|
|
r = dss_mgr_enable(dssdev->manager);
|
|
if (r)
|
|
goto err;
|
|
|
|
return 0;
|
|
|
|
err:
|
|
venc_write_reg(VENC_OUTPUT_CONTROL, 0);
|
|
dss_set_dac_pwrdn_bgz(0);
|
|
|
|
if (dssdev->platform_disable)
|
|
dssdev->platform_disable(dssdev);
|
|
|
|
regulator_disable(venc.vdda_dac_reg);
|
|
|
|
return r;
|
|
}
|
|
|
|
static void venc_power_off(struct omap_dss_device *dssdev)
|
|
{
|
|
venc_write_reg(VENC_OUTPUT_CONTROL, 0);
|
|
dss_set_dac_pwrdn_bgz(0);
|
|
|
|
dss_mgr_disable(dssdev->manager);
|
|
|
|
if (dssdev->platform_disable)
|
|
dssdev->platform_disable(dssdev);
|
|
|
|
regulator_disable(venc.vdda_dac_reg);
|
|
}
|
|
|
|
unsigned long venc_get_pixel_clock(void)
|
|
{
|
|
/* VENC Pixel Clock in Mhz */
|
|
return 13500000;
|
|
}
|
|
|
|
/* 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;
|
|
|
|
DSSDBG("venc_enable_display\n");
|
|
|
|
mutex_lock(&venc.venc_lock);
|
|
|
|
r = omap_dss_start_device(dssdev);
|
|
if (r) {
|
|
DSSERR("failed to start device\n");
|
|
goto err0;
|
|
}
|
|
|
|
if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
|
|
r = -EINVAL;
|
|
goto err1;
|
|
}
|
|
|
|
r = venc_runtime_get();
|
|
if (r)
|
|
goto err1;
|
|
|
|
r = venc_power_on(dssdev);
|
|
if (r)
|
|
goto err2;
|
|
|
|
venc.wss_data = 0;
|
|
|
|
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
|
|
|
mutex_unlock(&venc.venc_lock);
|
|
return 0;
|
|
err2:
|
|
venc_runtime_put();
|
|
err1:
|
|
omap_dss_stop_device(dssdev);
|
|
err0:
|
|
mutex_unlock(&venc.venc_lock);
|
|
|
|
return r;
|
|
}
|
|
|
|
static void venc_panel_disable(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);
|
|
|
|
venc_runtime_put();
|
|
|
|
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
|
|
|
omap_dss_stop_device(dssdev);
|
|
end:
|
|
mutex_unlock(&venc.venc_lock);
|
|
}
|
|
|
|
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 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_panel_disable(dssdev);
|
|
venc_panel_enable(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;
|
|
int r;
|
|
|
|
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;
|
|
|
|
r = venc_runtime_get();
|
|
if (r)
|
|
goto err;
|
|
|
|
venc_write_reg(VENC_BSTAMP_WSS_DATA, config->bstamp_wss_data |
|
|
venc.wss_data);
|
|
|
|
venc_runtime_put();
|
|
|
|
err:
|
|
mutex_unlock(&venc.venc_lock);
|
|
|
|
return r;
|
|
}
|
|
|
|
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,
|
|
|
|
.get_resolution = omapdss_default_get_resolution,
|
|
.get_recommended_bpp = omapdss_default_get_recommended_bpp,
|
|
|
|
.get_timings = venc_get_timings,
|
|
.set_timings = venc_set_timings,
|
|
.check_timings = venc_check_timings,
|
|
|
|
.get_wss = venc_get_wss,
|
|
.set_wss = venc_set_wss,
|
|
|
|
.driver = {
|
|
.name = "venc",
|
|
.owner = THIS_MODULE,
|
|
},
|
|
};
|
|
/* driver end */
|
|
|
|
int venc_init_display(struct omap_dss_device *dssdev)
|
|
{
|
|
DSSDBG("init_display\n");
|
|
|
|
if (venc.vdda_dac_reg == NULL) {
|
|
struct regulator *vdda_dac;
|
|
|
|
vdda_dac = regulator_get(&venc.pdev->dev, "vdda_dac");
|
|
|
|
if (IS_ERR(vdda_dac)) {
|
|
DSSERR("can't get VDDA_DAC regulator\n");
|
|
return PTR_ERR(vdda_dac);
|
|
}
|
|
|
|
venc.vdda_dac_reg = vdda_dac;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void venc_dump_regs(struct seq_file *s)
|
|
{
|
|
#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, venc_read_reg(r))
|
|
|
|
if (venc_runtime_get())
|
|
return;
|
|
|
|
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_runtime_put();
|
|
|
|
#undef DUMPREG
|
|
}
|
|
|
|
static int venc_get_clocks(struct platform_device *pdev)
|
|
{
|
|
struct clk *clk;
|
|
|
|
if (dss_has_feature(FEAT_VENC_REQUIRES_TV_DAC_CLK)) {
|
|
clk = clk_get(&pdev->dev, "tv_dac_clk");
|
|
if (IS_ERR(clk)) {
|
|
DSSERR("can't get tv_dac_clk\n");
|
|
return PTR_ERR(clk);
|
|
}
|
|
} else {
|
|
clk = NULL;
|
|
}
|
|
|
|
venc.tv_dac_clk = clk;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void venc_put_clocks(void)
|
|
{
|
|
if (venc.tv_dac_clk)
|
|
clk_put(venc.tv_dac_clk);
|
|
}
|
|
|
|
/* VENC HW IP initialisation */
|
|
static int omap_venchw_probe(struct platform_device *pdev)
|
|
{
|
|
u8 rev_id;
|
|
struct resource *venc_mem;
|
|
int r;
|
|
|
|
venc.pdev = pdev;
|
|
|
|
mutex_init(&venc.venc_lock);
|
|
|
|
venc.wss_data = 0;
|
|
|
|
venc_mem = platform_get_resource(venc.pdev, IORESOURCE_MEM, 0);
|
|
if (!venc_mem) {
|
|
DSSERR("can't get IORESOURCE_MEM VENC\n");
|
|
r = -EINVAL;
|
|
goto err_ioremap;
|
|
}
|
|
venc.base = ioremap(venc_mem->start, resource_size(venc_mem));
|
|
if (!venc.base) {
|
|
DSSERR("can't ioremap VENC\n");
|
|
r = -ENOMEM;
|
|
goto err_ioremap;
|
|
}
|
|
|
|
r = venc_get_clocks(pdev);
|
|
if (r)
|
|
goto err_get_clk;
|
|
|
|
pm_runtime_enable(&pdev->dev);
|
|
|
|
r = venc_runtime_get();
|
|
if (r)
|
|
goto err_get_venc;
|
|
|
|
rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff);
|
|
dev_dbg(&pdev->dev, "OMAP VENC rev %d\n", rev_id);
|
|
|
|
venc_runtime_put();
|
|
|
|
return omap_dss_register_driver(&venc_driver);
|
|
|
|
err_get_venc:
|
|
pm_runtime_disable(&pdev->dev);
|
|
venc_put_clocks();
|
|
err_get_clk:
|
|
iounmap(venc.base);
|
|
err_ioremap:
|
|
return r;
|
|
}
|
|
|
|
static int omap_venchw_remove(struct platform_device *pdev)
|
|
{
|
|
if (venc.vdda_dac_reg != NULL) {
|
|
regulator_put(venc.vdda_dac_reg);
|
|
venc.vdda_dac_reg = NULL;
|
|
}
|
|
omap_dss_unregister_driver(&venc_driver);
|
|
|
|
pm_runtime_disable(&pdev->dev);
|
|
venc_put_clocks();
|
|
|
|
iounmap(venc.base);
|
|
return 0;
|
|
}
|
|
|
|
static int venc_runtime_suspend(struct device *dev)
|
|
{
|
|
if (venc.tv_dac_clk)
|
|
clk_disable(venc.tv_dac_clk);
|
|
|
|
dispc_runtime_put();
|
|
dss_runtime_put();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int venc_runtime_resume(struct device *dev)
|
|
{
|
|
int r;
|
|
|
|
r = dss_runtime_get();
|
|
if (r < 0)
|
|
goto err_get_dss;
|
|
|
|
r = dispc_runtime_get();
|
|
if (r < 0)
|
|
goto err_get_dispc;
|
|
|
|
if (venc.tv_dac_clk)
|
|
clk_enable(venc.tv_dac_clk);
|
|
|
|
return 0;
|
|
|
|
err_get_dispc:
|
|
dss_runtime_put();
|
|
err_get_dss:
|
|
return r;
|
|
}
|
|
|
|
static const struct dev_pm_ops venc_pm_ops = {
|
|
.runtime_suspend = venc_runtime_suspend,
|
|
.runtime_resume = venc_runtime_resume,
|
|
};
|
|
|
|
static struct platform_driver omap_venchw_driver = {
|
|
.probe = omap_venchw_probe,
|
|
.remove = omap_venchw_remove,
|
|
.driver = {
|
|
.name = "omapdss_venc",
|
|
.owner = THIS_MODULE,
|
|
.pm = &venc_pm_ops,
|
|
},
|
|
};
|
|
|
|
int venc_init_platform_driver(void)
|
|
{
|
|
if (cpu_is_omap44xx())
|
|
return 0;
|
|
|
|
return platform_driver_register(&omap_venchw_driver);
|
|
}
|
|
|
|
void venc_uninit_platform_driver(void)
|
|
{
|
|
if (cpu_is_omap44xx())
|
|
return;
|
|
|
|
return platform_driver_unregister(&omap_venchw_driver);
|
|
}
|