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- /*
- * 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 <linux/pm_runtime.h>
- #include <linux/of.h>
- #include <linux/component.h>
- #include <video/omapdss.h>
- #include "dss.h"
- #include "dss_features.h"
- /* 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,
- .pixelclock = 13500000,
- .hsw = 64,
- .hfp = 12,
- .hbp = 68,
- .vsw = 5,
- .vfp = 5,
- .vbp = 41,
- .interlace = true,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
- };
- EXPORT_SYMBOL(omap_dss_pal_timings);
- const struct omap_video_timings omap_dss_ntsc_timings = {
- .x_res = 720,
- .y_res = 482,
- .pixelclock = 13500000,
- .hsw = 64,
- .hfp = 16,
- .hbp = 58,
- .vsw = 6,
- .vfp = 6,
- .vbp = 31,
- .interlace = true,
- .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
- .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
- .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
- .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
- };
- EXPORT_SYMBOL(omap_dss_ntsc_timings);
- static struct {
- struct platform_device *pdev;
- void __iomem *base;
- struct mutex venc_lock;
- u32 wss_data;
- struct regulator *vdda_dac_reg;
- struct clk *tv_dac_clk;
- struct omap_video_timings timings;
- enum omap_dss_venc_type type;
- bool invert_polarity;
- struct omap_dss_device output;
- } 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;
- }
- }
- #ifdef CONFIG_OMAP2_DSS_SLEEP_AFTER_VENC_RESET
- /* the magical sleep that makes things work */
- /* XXX more info? What bug this circumvents? */
- msleep(20);
- #endif
- }
- static int venc_runtime_get(void)
- {
- int r;
- DSSDBG("venc_runtime_get\n");
- r = pm_runtime_get_sync(&venc.pdev->dev);
- WARN_ON(r < 0);
- return r < 0 ? r : 0;
- }
- static void venc_runtime_put(void)
- {
- int r;
- DSSDBG("venc_runtime_put\n");
- r = pm_runtime_put_sync(&venc.pdev->dev);
- WARN_ON(r < 0 && r != -ENOSYS);
- }
- 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();
- return NULL;
- }
- static int venc_power_on(struct omap_dss_device *dssdev)
- {
- struct omap_overlay_manager *mgr = venc.output.manager;
- u32 l;
- int r;
- r = venc_runtime_get();
- if (r)
- goto err0;
- venc_reset();
- venc_write_config(venc_timings_to_config(&venc.timings));
- dss_set_venc_output(venc.type);
- dss_set_dac_pwrdn_bgz(1);
- l = 0;
- if (venc.type == OMAP_DSS_VENC_TYPE_COMPOSITE)
- l |= 1 << 1;
- else /* S-Video */
- l |= (1 << 0) | (1 << 2);
- if (venc.invert_polarity == false)
- l |= 1 << 3;
- venc_write_reg(VENC_OUTPUT_CONTROL, l);
- dss_mgr_set_timings(mgr, &venc.timings);
- r = regulator_enable(venc.vdda_dac_reg);
- if (r)
- goto err1;
- r = dss_mgr_enable(mgr);
- if (r)
- goto err2;
- return 0;
- err2:
- regulator_disable(venc.vdda_dac_reg);
- err1:
- venc_write_reg(VENC_OUTPUT_CONTROL, 0);
- dss_set_dac_pwrdn_bgz(0);
- venc_runtime_put();
- err0:
- return r;
- }
- static void venc_power_off(struct omap_dss_device *dssdev)
- {
- struct omap_overlay_manager *mgr = venc.output.manager;
- venc_write_reg(VENC_OUTPUT_CONTROL, 0);
- dss_set_dac_pwrdn_bgz(0);
- dss_mgr_disable(mgr);
- regulator_disable(venc.vdda_dac_reg);
- venc_runtime_put();
- }
- static int venc_display_enable(struct omap_dss_device *dssdev)
- {
- struct omap_dss_device *out = &venc.output;
- int r;
- DSSDBG("venc_display_enable\n");
- mutex_lock(&venc.venc_lock);
- if (out == NULL || out->manager == NULL) {
- DSSERR("Failed to enable display: no output/manager\n");
- r = -ENODEV;
- goto err0;
- }
- r = venc_power_on(dssdev);
- if (r)
- goto err0;
- venc.wss_data = 0;
- mutex_unlock(&venc.venc_lock);
- return 0;
- err0:
- mutex_unlock(&venc.venc_lock);
- return r;
- }
- static void venc_display_disable(struct omap_dss_device *dssdev)
- {
- DSSDBG("venc_display_disable\n");
- mutex_lock(&venc.venc_lock);
- venc_power_off(dssdev);
- mutex_unlock(&venc.venc_lock);
- }
- static void venc_set_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
- {
- DSSDBG("venc_set_timings\n");
- mutex_lock(&venc.venc_lock);
- /* Reset WSS data when the TV standard changes. */
- if (memcmp(&venc.timings, timings, sizeof(*timings)))
- venc.wss_data = 0;
- venc.timings = *timings;
- dispc_set_tv_pclk(13500000);
- mutex_unlock(&venc.venc_lock);
- }
- 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 void venc_get_timings(struct omap_dss_device *dssdev,
- struct omap_video_timings *timings)
- {
- mutex_lock(&venc.venc_lock);
- *timings = venc.timings;
- mutex_unlock(&venc.venc_lock);
- }
- 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(&venc.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 void venc_set_type(struct omap_dss_device *dssdev,
- enum omap_dss_venc_type type)
- {
- mutex_lock(&venc.venc_lock);
- venc.type = type;
- mutex_unlock(&venc.venc_lock);
- }
- static void venc_invert_vid_out_polarity(struct omap_dss_device *dssdev,
- bool invert_polarity)
- {
- mutex_lock(&venc.venc_lock);
- venc.invert_polarity = invert_polarity;
- mutex_unlock(&venc.venc_lock);
- }
- static int venc_init_regulator(void)
- {
- struct regulator *vdda_dac;
- if (venc.vdda_dac_reg != NULL)
- return 0;
- if (venc.pdev->dev.of_node)
- vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda");
- else
- vdda_dac = devm_regulator_get(&venc.pdev->dev, "vdda_dac");
- if (IS_ERR(vdda_dac)) {
- if (PTR_ERR(vdda_dac) != -EPROBE_DEFER)
- DSSERR("can't get VDDA_DAC regulator\n");
- return PTR_ERR(vdda_dac);
- }
- venc.vdda_dac_reg = vdda_dac;
- return 0;
- }
- static 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 = devm_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 int venc_connect(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst)
- {
- struct omap_overlay_manager *mgr;
- int r;
- r = venc_init_regulator();
- if (r)
- return r;
- mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel);
- if (!mgr)
- return -ENODEV;
- r = dss_mgr_connect(mgr, dssdev);
- if (r)
- return r;
- r = omapdss_output_set_device(dssdev, dst);
- if (r) {
- DSSERR("failed to connect output to new device: %s\n",
- dst->name);
- dss_mgr_disconnect(mgr, dssdev);
- return r;
- }
- return 0;
- }
- static void venc_disconnect(struct omap_dss_device *dssdev,
- struct omap_dss_device *dst)
- {
- WARN_ON(dst != dssdev->dst);
- if (dst != dssdev->dst)
- return;
- omapdss_output_unset_device(dssdev);
- if (dssdev->manager)
- dss_mgr_disconnect(dssdev->manager, dssdev);
- }
- static const struct omapdss_atv_ops venc_ops = {
- .connect = venc_connect,
- .disconnect = venc_disconnect,
- .enable = venc_display_enable,
- .disable = venc_display_disable,
- .check_timings = venc_check_timings,
- .set_timings = venc_set_timings,
- .get_timings = venc_get_timings,
- .set_type = venc_set_type,
- .invert_vid_out_polarity = venc_invert_vid_out_polarity,
- .set_wss = venc_set_wss,
- .get_wss = venc_get_wss,
- };
- static void venc_init_output(struct platform_device *pdev)
- {
- struct omap_dss_device *out = &venc.output;
- out->dev = &pdev->dev;
- out->id = OMAP_DSS_OUTPUT_VENC;
- out->output_type = OMAP_DISPLAY_TYPE_VENC;
- out->name = "venc.0";
- out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
- out->ops.atv = &venc_ops;
- out->owner = THIS_MODULE;
- omapdss_register_output(out);
- }
- static void venc_uninit_output(struct platform_device *pdev)
- {
- struct omap_dss_device *out = &venc.output;
- omapdss_unregister_output(out);
- }
- static int venc_probe_of(struct platform_device *pdev)
- {
- struct device_node *node = pdev->dev.of_node;
- struct device_node *ep;
- u32 channels;
- int r;
- ep = omapdss_of_get_first_endpoint(node);
- if (!ep)
- return 0;
- venc.invert_polarity = of_property_read_bool(ep, "ti,invert-polarity");
- r = of_property_read_u32(ep, "ti,channels", &channels);
- if (r) {
- dev_err(&pdev->dev,
- "failed to read property 'ti,channels': %d\n", r);
- goto err;
- }
- switch (channels) {
- case 1:
- venc.type = OMAP_DSS_VENC_TYPE_COMPOSITE;
- break;
- case 2:
- venc.type = OMAP_DSS_VENC_TYPE_SVIDEO;
- break;
- default:
- dev_err(&pdev->dev, "bad channel propert '%d'\n", channels);
- r = -EINVAL;
- goto err;
- }
- of_node_put(ep);
- return 0;
- err:
- of_node_put(ep);
- return 0;
- }
- /* VENC HW IP initialisation */
- static int venc_bind(struct device *dev, struct device *master, void *data)
- {
- struct platform_device *pdev = to_platform_device(dev);
- 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");
- return -EINVAL;
- }
- venc.base = devm_ioremap(&pdev->dev, venc_mem->start,
- resource_size(venc_mem));
- if (!venc.base) {
- DSSERR("can't ioremap VENC\n");
- return -ENOMEM;
- }
- r = venc_get_clocks(pdev);
- if (r)
- return r;
- pm_runtime_enable(&pdev->dev);
- r = venc_runtime_get();
- if (r)
- goto err_runtime_get;
- rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff);
- dev_dbg(&pdev->dev, "OMAP VENC rev %d\n", rev_id);
- venc_runtime_put();
- if (pdev->dev.of_node) {
- r = venc_probe_of(pdev);
- if (r) {
- DSSERR("Invalid DT data\n");
- goto err_probe_of;
- }
- }
- dss_debugfs_create_file("venc", venc_dump_regs);
- venc_init_output(pdev);
- return 0;
- err_probe_of:
- err_runtime_get:
- pm_runtime_disable(&pdev->dev);
- return r;
- }
- static void venc_unbind(struct device *dev, struct device *master, void *data)
- {
- struct platform_device *pdev = to_platform_device(dev);
- venc_uninit_output(pdev);
- pm_runtime_disable(&pdev->dev);
- }
- static const struct component_ops venc_component_ops = {
- .bind = venc_bind,
- .unbind = venc_unbind,
- };
- static int venc_probe(struct platform_device *pdev)
- {
- return component_add(&pdev->dev, &venc_component_ops);
- }
- static int venc_remove(struct platform_device *pdev)
- {
- component_del(&pdev->dev, &venc_component_ops);
- return 0;
- }
- static int venc_runtime_suspend(struct device *dev)
- {
- if (venc.tv_dac_clk)
- clk_disable_unprepare(venc.tv_dac_clk);
- dispc_runtime_put();
- return 0;
- }
- static int venc_runtime_resume(struct device *dev)
- {
- int r;
- r = dispc_runtime_get();
- if (r < 0)
- return r;
- if (venc.tv_dac_clk)
- clk_prepare_enable(venc.tv_dac_clk);
- return 0;
- }
- static const struct dev_pm_ops venc_pm_ops = {
- .runtime_suspend = venc_runtime_suspend,
- .runtime_resume = venc_runtime_resume,
- };
- static const struct of_device_id venc_of_match[] = {
- { .compatible = "ti,omap2-venc", },
- { .compatible = "ti,omap3-venc", },
- { .compatible = "ti,omap4-venc", },
- {},
- };
- static struct platform_driver omap_venchw_driver = {
- .probe = venc_probe,
- .remove = venc_remove,
- .driver = {
- .name = "omapdss_venc",
- .pm = &venc_pm_ops,
- .of_match_table = venc_of_match,
- .suppress_bind_attrs = true,
- },
- };
- int __init venc_init_platform_driver(void)
- {
- return platform_driver_register(&omap_venchw_driver);
- }
- void venc_uninit_platform_driver(void)
- {
- platform_driver_unregister(&omap_venchw_driver);
- }
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