diff options
Diffstat (limited to 'drivers/staging/msm/tv_ntsc.c')
| -rw-r--r-- | drivers/staging/msm/tv_ntsc.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/drivers/staging/msm/tv_ntsc.c b/drivers/staging/msm/tv_ntsc.c new file mode 100644 index 000000000000..5eb67611661a --- /dev/null +++ b/drivers/staging/msm/tv_ntsc.c @@ -0,0 +1,163 @@ +/* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only 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, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/time.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <mach/hardware.h> +#include <linux/io.h> + +#include <asm/system.h> +#include <asm/mach-types.h> +#include <linux/semaphore.h> +#include <linux/uaccess.h> +#include <linux/clk.h> + +#include "msm_fb.h" +#include "tvenc.h" + +#define NTSC_TV_DIMENSION_WIDTH 720 +#define NTSC_TV_DIMENSION_HEIGHT 480 + +static int ntsc_off(struct platform_device *pdev); +static int ntsc_on(struct platform_device *pdev); + +static int ntsc_on(struct platform_device *pdev) +{ + uint32 reg = 0; + int ret = 0; + struct msm_fb_data_type *mfd; + + mfd = platform_get_drvdata(pdev); + + if (!mfd) + return -ENODEV; + + if (mfd->key != MFD_KEY) + return -EINVAL; + + TV_OUT(TV_ENC_CTL, 0); /* disable TV encoder */ + + if (mfd->panel.id == NTSC_M) { + /* Cr gain 11, Cb gain C6, y_gain 97 */ + TV_OUT(TV_GAIN, 0x0081B697); + } else { + /* Cr gain 11, Cb gain C6, y_gain 97 */ + TV_OUT(TV_GAIN, 0x008bc4a3); + reg |= TVENC_CTL_NTSCJ_MODE; + } + + TV_OUT(TV_CGMS, 0x0); + /* NTSC Timing */ + TV_OUT(TV_SYNC_1, 0x0020009e); + TV_OUT(TV_SYNC_2, 0x011306B4); + TV_OUT(TV_SYNC_3, 0x0006000C); + TV_OUT(TV_SYNC_4, 0x0028020D); + TV_OUT(TV_SYNC_5, 0x005E02FB); + TV_OUT(TV_SYNC_6, 0x0006000C); + TV_OUT(TV_SYNC_7, 0x00000012); + TV_OUT(TV_BURST_V1, 0x0013020D); + TV_OUT(TV_BURST_V2, 0x0014020C); + TV_OUT(TV_BURST_V3, 0x0013020D); + TV_OUT(TV_BURST_V4, 0x0014020C); + TV_OUT(TV_BURST_H, 0x00AE00F2); + TV_OUT(TV_SOL_REQ_ODD, 0x00280208); + TV_OUT(TV_SOL_REQ_EVEN, 0x00290209); + + reg |= TVENC_CTL_TV_MODE_NTSC_M_PAL60; + + reg |= TVENC_CTL_Y_FILTER_EN | + TVENC_CTL_CR_FILTER_EN | + TVENC_CTL_CB_FILTER_EN | TVENC_CTL_SINX_FILTER_EN; +#ifdef CONFIG_FB_MSM_TVOUT_SVIDEO + reg |= TVENC_CTL_S_VIDEO_EN; +#endif + + TV_OUT(TV_LEVEL, 0x00000000); /* DC offset to 0. */ + TV_OUT(TV_OFFSET, 0x008080f0); + +#ifdef CONFIG_FB_MSM_MDP31 + TV_OUT(TV_DAC_INTF, 0x29); +#endif + TV_OUT(TV_ENC_CTL, reg); + + reg |= TVENC_CTL_ENC_EN; + TV_OUT(TV_ENC_CTL, reg); + + return ret; +} + +static int ntsc_off(struct platform_device *pdev) +{ + TV_OUT(TV_ENC_CTL, 0); /* disable TV encoder */ + return 0; +} + +static int __init ntsc_probe(struct platform_device *pdev) +{ + msm_fb_add_device(pdev); + + return 0; +} + +static struct platform_driver this_driver = { + .probe = ntsc_probe, + .driver = { + .name = "tv_ntsc", + }, +}; + +static struct msm_fb_panel_data ntsc_panel_data = { + .panel_info.xres = NTSC_TV_DIMENSION_WIDTH, + .panel_info.yres = NTSC_TV_DIMENSION_HEIGHT, + .panel_info.type = TV_PANEL, + .panel_info.pdest = DISPLAY_1, + .panel_info.wait_cycle = 0, + .panel_info.bpp = 16, + .panel_info.fb_num = 2, + .on = ntsc_on, + .off = ntsc_off, +}; + +static struct platform_device this_device = { + .name = "tv_ntsc", + .id = 0, + .dev = { + .platform_data = &ntsc_panel_data, + } +}; + +static int __init ntsc_init(void) +{ + int ret; + + ret = platform_driver_register(&this_driver); + if (!ret) { + ret = platform_device_register(&this_device); + if (ret) + platform_driver_unregister(&this_driver); + } + + return ret; +} + +module_init(ntsc_init);
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