diff options
Diffstat (limited to 'drivers/video/omap2/dss/venc.c')
-rw-r--r-- | drivers/video/omap2/dss/venc.c | 128 |
1 files changed, 85 insertions, 43 deletions
diff --git a/drivers/video/omap2/dss/venc.c b/drivers/video/omap2/dss/venc.c index eff35050e28a..8e35a5bae429 100644 --- a/drivers/video/omap2/dss/venc.c +++ b/drivers/video/omap2/dss/venc.c @@ -39,8 +39,6 @@ #include "dss.h" -#define VENC_BASE 0x48050C00 - /* Venc registers */ #define VENC_REV_ID 0x00 #define VENC_STATUS 0x04 @@ -289,6 +287,7 @@ const struct omap_video_timings omap_dss_ntsc_timings = { EXPORT_SYMBOL(omap_dss_ntsc_timings); static struct { + struct platform_device *pdev; void __iomem *base; struct mutex venc_lock; u32 wss_data; @@ -381,11 +380,11 @@ static void venc_reset(void) static void venc_enable_clocks(int enable) { if (enable) - dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M | - DSS_CLK_96M); + dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK | DSS_CLK_TVFCK | + DSS_CLK_VIDFCK); else - dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_54M | - DSS_CLK_96M); + dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK | DSS_CLK_TVFCK | + DSS_CLK_VIDFCK); } static const struct venc_config *venc_timings_to_config( @@ -641,50 +640,23 @@ static struct omap_dss_driver venc_driver = { }; /* driver end */ - - -int venc_init(struct platform_device *pdev) +int venc_init_display(struct omap_dss_device *dssdev) { - u8 rev_id; + DSSDBG("init_display\n"); - mutex_init(&venc.venc_lock); + if (venc.vdda_dac_reg == NULL) { + struct regulator *vdda_dac; - venc.wss_data = 0; + vdda_dac = regulator_get(&venc.pdev->dev, "vdda_dac"); - venc.base = ioremap(VENC_BASE, SZ_1K); - if (!venc.base) { - DSSERR("can't ioremap VENC\n"); - return -ENOMEM; - } + if (IS_ERR(vdda_dac)) { + DSSERR("can't get VDDA_DAC regulator\n"); + return PTR_ERR(vdda_dac); + } - venc.vdda_dac_reg = dss_get_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.vdda_dac_reg = vdda_dac; } - 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); - - iounmap(venc.base); -} - -int venc_init_display(struct omap_dss_device *dssdev) -{ - DSSDBG("init_display\n"); - return 0; } @@ -740,3 +712,73 @@ void venc_dump_regs(struct seq_file *s) #undef DUMPREG } + +/* VENC HW IP initialisation */ +static int omap_venchw_probe(struct platform_device *pdev) +{ + u8 rev_id; + struct resource *venc_mem; + + 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 = ioremap(venc_mem->start, resource_size(venc_mem)); + if (!venc.base) { + DSSERR("can't ioremap VENC\n"); + return -ENOMEM; + } + + venc_enable_clocks(1); + + rev_id = (u8)(venc_read_reg(VENC_REV_ID) & 0xff); + dev_dbg(&pdev->dev, "OMAP VENC rev %d\n", rev_id); + + venc_enable_clocks(0); + + return omap_dss_register_driver(&venc_driver); +} + +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); + + iounmap(venc.base); + return 0; +} + +static struct platform_driver omap_venchw_driver = { + .probe = omap_venchw_probe, + .remove = omap_venchw_remove, + .driver = { + .name = "omapdss_venc", + .owner = THIS_MODULE, + }, +}; + +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); +} |