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path: root/drivers/media/video/davinci/vpif.c
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Diffstat (limited to 'drivers/media/video/davinci/vpif.c')
-rw-r--r--drivers/media/video/davinci/vpif.c514
1 files changed, 0 insertions, 514 deletions
diff --git a/drivers/media/video/davinci/vpif.c b/drivers/media/video/davinci/vpif.c
deleted file mode 100644
index b3637af..0000000
--- a/drivers/media/video/davinci/vpif.c
+++ /dev/null
@@ -1,514 +0,0 @@
-/*
- * vpif - Video Port Interface driver
- * VPIF is a receiver and transmitter for video data. It has two channels(0, 1)
- * that receiveing video byte stream and two channels(2, 3) for video output.
- * The hardware supports SDTV, HDTV formats, raw data capture.
- * Currently, the driver supports NTSC and PAL standards.
- *
- * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed .as is. WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/spinlock.h>
-#include <linux/kernel.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <mach/hardware.h>
-
-#include "vpif.h"
-
-MODULE_DESCRIPTION("TI DaVinci Video Port Interface driver");
-MODULE_LICENSE("GPL");
-
-#define VPIF_CH0_MAX_MODES (22)
-#define VPIF_CH1_MAX_MODES (02)
-#define VPIF_CH2_MAX_MODES (15)
-#define VPIF_CH3_MAX_MODES (02)
-
-static resource_size_t res_len;
-static struct resource *res;
-spinlock_t vpif_lock;
-
-void __iomem *vpif_base;
-struct clk *vpif_clk;
-
-/**
- * ch_params: video standard configuration parameters for vpif
- * The table must include all presets from supported subdevices.
- */
-const struct vpif_channel_config_params ch_params[] = {
- /* HDTV formats */
- {
- .name = "480p59_94",
- .width = 720,
- .height = 480,
- .frm_fmt = 1,
- .ycmux_mode = 0,
- .eav2sav = 138-8,
- .sav2eav = 720,
- .l1 = 1,
- .l3 = 43,
- .l5 = 523,
- .vsize = 525,
- .capture_format = 0,
- .vbi_supported = 0,
- .hd_sd = 1,
- .dv_preset = V4L2_DV_480P59_94,
- },
- {
- .name = "576p50",
- .width = 720,
- .height = 576,
- .frm_fmt = 1,
- .ycmux_mode = 0,
- .eav2sav = 144-8,
- .sav2eav = 720,
- .l1 = 1,
- .l3 = 45,
- .l5 = 621,
- .vsize = 625,
- .capture_format = 0,
- .vbi_supported = 0,
- .hd_sd = 1,
- .dv_preset = V4L2_DV_576P50,
- },
- {
- .name = "720p50",
- .width = 1280,
- .height = 720,
- .frm_fmt = 1,
- .ycmux_mode = 0,
- .eav2sav = 700-8,
- .sav2eav = 1280,
- .l1 = 1,
- .l3 = 26,
- .l5 = 746,
- .vsize = 750,
- .capture_format = 0,
- .vbi_supported = 0,
- .hd_sd = 1,
- .dv_preset = V4L2_DV_720P50,
- },
- {
- .name = "720p60",
- .width = 1280,
- .height = 720,
- .frm_fmt = 1,
- .ycmux_mode = 0,
- .eav2sav = 370 - 8,
- .sav2eav = 1280,
- .l1 = 1,
- .l3 = 26,
- .l5 = 746,
- .vsize = 750,
- .capture_format = 0,
- .vbi_supported = 0,
- .hd_sd = 1,
- .dv_preset = V4L2_DV_720P60,
- },
- {
- .name = "1080I50",
- .width = 1920,
- .height = 1080,
- .frm_fmt = 0,
- .ycmux_mode = 0,
- .eav2sav = 720 - 8,
- .sav2eav = 1920,
- .l1 = 1,
- .l3 = 21,
- .l5 = 561,
- .l7 = 563,
- .l9 = 584,
- .l11 = 1124,
- .vsize = 1125,
- .capture_format = 0,
- .vbi_supported = 0,
- .hd_sd = 1,
- .dv_preset = V4L2_DV_1080I50,
- },
- {
- .name = "1080I60",
- .width = 1920,
- .height = 1080,
- .frm_fmt = 0,
- .ycmux_mode = 0,
- .eav2sav = 280 - 8,
- .sav2eav = 1920,
- .l1 = 1,
- .l3 = 21,
- .l5 = 561,
- .l7 = 563,
- .l9 = 584,
- .l11 = 1124,
- .vsize = 1125,
- .capture_format = 0,
- .vbi_supported = 0,
- .hd_sd = 1,
- .dv_preset = V4L2_DV_1080I60,
- },
- {
- .name = "1080p60",
- .width = 1920,
- .height = 1080,
- .frm_fmt = 1,
- .ycmux_mode = 0,
- .eav2sav = 280 - 8,
- .sav2eav = 1920,
- .l1 = 1,
- .l3 = 42,
- .l5 = 1122,
- .vsize = 1125,
- .capture_format = 0,
- .vbi_supported = 0,
- .hd_sd = 1,
- .dv_preset = V4L2_DV_1080P60,
- },
-
- /* SDTV formats */
- {
- .name = "NTSC_M",
- .width = 720,
- .height = 480,
- .frm_fmt = 0,
- .ycmux_mode = 1,
- .eav2sav = 268,
- .sav2eav = 1440,
- .l1 = 1,
- .l3 = 23,
- .l5 = 263,
- .l7 = 266,
- .l9 = 286,
- .l11 = 525,
- .vsize = 525,
- .capture_format = 0,
- .vbi_supported = 1,
- .hd_sd = 0,
- .stdid = V4L2_STD_525_60,
- },
- {
- .name = "PAL_BDGHIK",
- .width = 720,
- .height = 576,
- .frm_fmt = 0,
- .ycmux_mode = 1,
- .eav2sav = 280,
- .sav2eav = 1440,
- .l1 = 1,
- .l3 = 23,
- .l5 = 311,
- .l7 = 313,
- .l9 = 336,
- .l11 = 624,
- .vsize = 625,
- .capture_format = 0,
- .vbi_supported = 1,
- .hd_sd = 0,
- .stdid = V4L2_STD_625_50,
- },
-};
-
-const unsigned int vpif_ch_params_count = ARRAY_SIZE(ch_params);
-
-static inline void vpif_wr_bit(u32 reg, u32 bit, u32 val)
-{
- if (val)
- vpif_set_bit(reg, bit);
- else
- vpif_clr_bit(reg, bit);
-}
-
-/* This structure is used to keep track of VPIF size register's offsets */
-struct vpif_registers {
- u32 h_cfg, v_cfg_00, v_cfg_01, v_cfg_02, v_cfg, ch_ctrl;
- u32 line_offset, vanc0_strt, vanc0_size, vanc1_strt;
- u32 vanc1_size, width_mask, len_mask;
- u8 max_modes;
-};
-
-static const struct vpif_registers vpifregs[VPIF_NUM_CHANNELS] = {
- /* Channel0 */
- {
- VPIF_CH0_H_CFG, VPIF_CH0_V_CFG_00, VPIF_CH0_V_CFG_01,
- VPIF_CH0_V_CFG_02, VPIF_CH0_V_CFG_03, VPIF_CH0_CTRL,
- VPIF_CH0_IMG_ADD_OFST, 0, 0, 0, 0, 0x1FFF, 0xFFF,
- VPIF_CH0_MAX_MODES,
- },
- /* Channel1 */
- {
- VPIF_CH1_H_CFG, VPIF_CH1_V_CFG_00, VPIF_CH1_V_CFG_01,
- VPIF_CH1_V_CFG_02, VPIF_CH1_V_CFG_03, VPIF_CH1_CTRL,
- VPIF_CH1_IMG_ADD_OFST, 0, 0, 0, 0, 0x1FFF, 0xFFF,
- VPIF_CH1_MAX_MODES,
- },
- /* Channel2 */
- {
- VPIF_CH2_H_CFG, VPIF_CH2_V_CFG_00, VPIF_CH2_V_CFG_01,
- VPIF_CH2_V_CFG_02, VPIF_CH2_V_CFG_03, VPIF_CH2_CTRL,
- VPIF_CH2_IMG_ADD_OFST, VPIF_CH2_VANC0_STRT, VPIF_CH2_VANC0_SIZE,
- VPIF_CH2_VANC1_STRT, VPIF_CH2_VANC1_SIZE, 0x7FF, 0x7FF,
- VPIF_CH2_MAX_MODES
- },
- /* Channel3 */
- {
- VPIF_CH3_H_CFG, VPIF_CH3_V_CFG_00, VPIF_CH3_V_CFG_01,
- VPIF_CH3_V_CFG_02, VPIF_CH3_V_CFG_03, VPIF_CH3_CTRL,
- VPIF_CH3_IMG_ADD_OFST, VPIF_CH3_VANC0_STRT, VPIF_CH3_VANC0_SIZE,
- VPIF_CH3_VANC1_STRT, VPIF_CH3_VANC1_SIZE, 0x7FF, 0x7FF,
- VPIF_CH3_MAX_MODES
- },
-};
-
-/* vpif_set_mode_info:
- * This function is used to set horizontal and vertical config parameters
- * As per the standard in the channel, configure the values of L1, L3,
- * L5, L7 L9, L11 in VPIF Register , also write width and height
- */
-static void vpif_set_mode_info(const struct vpif_channel_config_params *config,
- u8 channel_id, u8 config_channel_id)
-{
- u32 value;
-
- value = (config->eav2sav & vpifregs[config_channel_id].width_mask);
- value <<= VPIF_CH_LEN_SHIFT;
- value |= (config->sav2eav & vpifregs[config_channel_id].width_mask);
- regw(value, vpifregs[channel_id].h_cfg);
-
- value = (config->l1 & vpifregs[config_channel_id].len_mask);
- value <<= VPIF_CH_LEN_SHIFT;
- value |= (config->l3 & vpifregs[config_channel_id].len_mask);
- regw(value, vpifregs[channel_id].v_cfg_00);
-
- value = (config->l5 & vpifregs[config_channel_id].len_mask);
- value <<= VPIF_CH_LEN_SHIFT;
- value |= (config->l7 & vpifregs[config_channel_id].len_mask);
- regw(value, vpifregs[channel_id].v_cfg_01);
-
- value = (config->l9 & vpifregs[config_channel_id].len_mask);
- value <<= VPIF_CH_LEN_SHIFT;
- value |= (config->l11 & vpifregs[config_channel_id].len_mask);
- regw(value, vpifregs[channel_id].v_cfg_02);
-
- value = (config->vsize & vpifregs[config_channel_id].len_mask);
- regw(value, vpifregs[channel_id].v_cfg);
-}
-
-/* config_vpif_params
- * Function to set the parameters of a channel
- * Mainly modifies the channel ciontrol register
- * It sets frame format, yc mux mode
- */
-static void config_vpif_params(struct vpif_params *vpifparams,
- u8 channel_id, u8 found)
-{
- const struct vpif_channel_config_params *config = &vpifparams->std_info;
- u32 value, ch_nip, reg;
- u8 start, end;
- int i;
-
- start = channel_id;
- end = channel_id + found;
-
- for (i = start; i < end; i++) {
- reg = vpifregs[i].ch_ctrl;
- if (channel_id < 2)
- ch_nip = VPIF_CAPTURE_CH_NIP;
- else
- ch_nip = VPIF_DISPLAY_CH_NIP;
-
- vpif_wr_bit(reg, ch_nip, config->frm_fmt);
- vpif_wr_bit(reg, VPIF_CH_YC_MUX_BIT, config->ycmux_mode);
- vpif_wr_bit(reg, VPIF_CH_INPUT_FIELD_FRAME_BIT,
- vpifparams->video_params.storage_mode);
-
- /* Set raster scanning SDR Format */
- vpif_clr_bit(reg, VPIF_CH_SDR_FMT_BIT);
- vpif_wr_bit(reg, VPIF_CH_DATA_MODE_BIT, config->capture_format);
-
- if (channel_id > 1) /* Set the Pixel enable bit */
- vpif_set_bit(reg, VPIF_DISPLAY_PIX_EN_BIT);
- else if (config->capture_format) {
- /* Set the polarity of various pins */
- vpif_wr_bit(reg, VPIF_CH_FID_POLARITY_BIT,
- vpifparams->iface.fid_pol);
- vpif_wr_bit(reg, VPIF_CH_V_VALID_POLARITY_BIT,
- vpifparams->iface.vd_pol);
- vpif_wr_bit(reg, VPIF_CH_H_VALID_POLARITY_BIT,
- vpifparams->iface.hd_pol);
-
- value = regr(reg);
- /* Set data width */
- value &= ~(0x3u <<
- VPIF_CH_DATA_WIDTH_BIT);
- value |= ((vpifparams->params.data_sz) <<
- VPIF_CH_DATA_WIDTH_BIT);
- regw(value, reg);
- }
-
- /* Write the pitch in the driver */
- regw((vpifparams->video_params.hpitch),
- vpifregs[i].line_offset);
- }
-}
-
-/* vpif_set_video_params
- * This function is used to set video parameters in VPIF register
- */
-int vpif_set_video_params(struct vpif_params *vpifparams, u8 channel_id)
-{
- const struct vpif_channel_config_params *config = &vpifparams->std_info;
- int found = 1;
-
- vpif_set_mode_info(config, channel_id, channel_id);
- if (!config->ycmux_mode) {
- /* YC are on separate channels (HDTV formats) */
- vpif_set_mode_info(config, channel_id + 1, channel_id);
- found = 2;
- }
-
- config_vpif_params(vpifparams, channel_id, found);
-
- regw(0x80, VPIF_REQ_SIZE);
- regw(0x01, VPIF_EMULATION_CTRL);
-
- return found;
-}
-EXPORT_SYMBOL(vpif_set_video_params);
-
-void vpif_set_vbi_display_params(struct vpif_vbi_params *vbiparams,
- u8 channel_id)
-{
- u32 value;
-
- value = 0x3F8 & (vbiparams->hstart0);
- value |= 0x3FFFFFF & ((vbiparams->vstart0) << 16);
- regw(value, vpifregs[channel_id].vanc0_strt);
-
- value = 0x3F8 & (vbiparams->hstart1);
- value |= 0x3FFFFFF & ((vbiparams->vstart1) << 16);
- regw(value, vpifregs[channel_id].vanc1_strt);
-
- value = 0x3F8 & (vbiparams->hsize0);
- value |= 0x3FFFFFF & ((vbiparams->vsize0) << 16);
- regw(value, vpifregs[channel_id].vanc0_size);
-
- value = 0x3F8 & (vbiparams->hsize1);
- value |= 0x3FFFFFF & ((vbiparams->vsize1) << 16);
- regw(value, vpifregs[channel_id].vanc1_size);
-
-}
-EXPORT_SYMBOL(vpif_set_vbi_display_params);
-
-int vpif_channel_getfid(u8 channel_id)
-{
- return (regr(vpifregs[channel_id].ch_ctrl) & VPIF_CH_FID_MASK)
- >> VPIF_CH_FID_SHIFT;
-}
-EXPORT_SYMBOL(vpif_channel_getfid);
-
-static int __init vpif_probe(struct platform_device *pdev)
-{
- int status = 0;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENOENT;
-
- res_len = resource_size(res);
-
- res = request_mem_region(res->start, res_len, res->name);
- if (!res)
- return -EBUSY;
-
- vpif_base = ioremap(res->start, res_len);
- if (!vpif_base) {
- status = -EBUSY;
- goto fail;
- }
-
- vpif_clk = clk_get(&pdev->dev, "vpif");
- if (IS_ERR(vpif_clk)) {
- status = PTR_ERR(vpif_clk);
- goto clk_fail;
- }
- clk_enable(vpif_clk);
-
- spin_lock_init(&vpif_lock);
- dev_info(&pdev->dev, "vpif probe success\n");
- return 0;
-
-clk_fail:
- iounmap(vpif_base);
-fail:
- release_mem_region(res->start, res_len);
- return status;
-}
-
-static int __devexit vpif_remove(struct platform_device *pdev)
-{
- if (vpif_clk) {
- clk_disable(vpif_clk);
- clk_put(vpif_clk);
- }
-
- iounmap(vpif_base);
- release_mem_region(res->start, res_len);
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int vpif_suspend(struct device *dev)
-{
- clk_disable(vpif_clk);
- return 0;
-}
-
-static int vpif_resume(struct device *dev)
-{
- clk_enable(vpif_clk);
- return 0;
-}
-
-static const struct dev_pm_ops vpif_pm = {
- .suspend = vpif_suspend,
- .resume = vpif_resume,
-};
-
-#define vpif_pm_ops (&vpif_pm)
-#else
-#define vpif_pm_ops NULL
-#endif
-
-static struct platform_driver vpif_driver = {
- .driver = {
- .name = "vpif",
- .owner = THIS_MODULE,
- .pm = vpif_pm_ops,
- },
- .remove = __devexit_p(vpif_remove),
- .probe = vpif_probe,
-};
-
-static void vpif_exit(void)
-{
- platform_driver_unregister(&vpif_driver);
-}
-
-static int __init vpif_init(void)
-{
- return platform_driver_register(&vpif_driver);
-}
-subsys_initcall(vpif_init);
-module_exit(vpif_exit);
-
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