From caff80c35f923806b7e5ef312dce41663b5e99b9 Mon Sep 17 00:00:00 2001 From: "Lad, Prabhakar" Date: Tue, 20 Nov 2012 07:30:36 -0300 Subject: [media] davinci: vpbe: pass different platform names to handle different ip's The vpbe driver can handle different platforms DM644X, DM36X and DM355. To differentiate between this platforms venc_type/vpbe_type was passed as part of platform data which was incorrect. The correct way to differentiate to handle this case is by passing different platform names. This patch creates platform_device_id[] array supporting different platforms and assigns id_table to the platform driver, and finally in the probe gets the actual device by using platform_get_device_id() and gets the appropriate driver data for that platform. Taking this approach will also make the DT transition easier. Signed-off-by: Lad, Prabhakar Signed-off-by: Manjunath Hadli Acked-by: Sekhar Nori Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/davinci/vpbe_osd.c | 35 ++++++++++++++++++++++--------- 1 file changed, 25 insertions(+), 10 deletions(-) (limited to 'drivers/media/platform/davinci/vpbe_osd.c') diff --git a/drivers/media/platform/davinci/vpbe_osd.c b/drivers/media/platform/davinci/vpbe_osd.c index 707f243f810d..12ad17c52ef3 100644 --- a/drivers/media/platform/davinci/vpbe_osd.c +++ b/drivers/media/platform/davinci/vpbe_osd.c @@ -39,7 +39,22 @@ #include #include "vpbe_osd_regs.h" -#define MODULE_NAME VPBE_OSD_SUBDEV_NAME +#define MODULE_NAME "davinci-vpbe-osd" + +static struct platform_device_id vpbe_osd_devtype[] = { + { + .name = DM644X_VPBE_OSD_SUBDEV_NAME, + .driver_data = VPBE_VERSION_1, + }, { + .name = DM365_VPBE_OSD_SUBDEV_NAME, + .driver_data = VPBE_VERSION_2, + }, { + .name = DM355_VPBE_OSD_SUBDEV_NAME, + .driver_data = VPBE_VERSION_3, + }, +}; + +MODULE_DEVICE_TABLE(platform, vpbe_osd_devtype); /* register access routines */ static inline u32 osd_read(struct osd_state *sd, u32 offset) @@ -129,7 +144,7 @@ static int _osd_dm6446_vid0_pingpong(struct osd_state *sd, struct osd_platform_data *pdata; pdata = (struct osd_platform_data *)sd->dev->platform_data; - if (pdata->field_inv_wa_enable) { + if (pdata != NULL && pdata->field_inv_wa_enable) { if (!field_inversion || !lconfig->interlaced) { osd_write(sd, fb_base_phys & ~0x1F, OSD_VIDWIN0ADR); @@ -1526,7 +1541,7 @@ static const struct vpbe_osd_ops osd_ops = { static int osd_probe(struct platform_device *pdev) { - struct osd_platform_data *pdata; + const struct platform_device_id *pdev_id; struct osd_state *osd; struct resource *res; int ret = 0; @@ -1535,16 +1550,15 @@ static int osd_probe(struct platform_device *pdev) if (osd == NULL) return -ENOMEM; - osd->dev = &pdev->dev; - pdata = (struct osd_platform_data *)pdev->dev.platform_data; - osd->vpbe_type = (enum vpbe_version)pdata->vpbe_type; - if (NULL == pdev->dev.platform_data) { - dev_err(osd->dev, "No platform data defined for OSD" - " sub device\n"); - ret = -ENOENT; + pdev_id = platform_get_device_id(pdev); + if (!pdev_id) { + ret = -EINVAL; goto free_mem; } + osd->dev = &pdev->dev; + osd->vpbe_type = pdev_id->driver_data; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(osd->dev, "Unable to get OSD register address map\n"); @@ -1595,6 +1609,7 @@ static struct platform_driver osd_driver = { .name = MODULE_NAME, .owner = THIS_MODULE, }, + .id_table = vpbe_osd_devtype }; module_platform_driver(osd_driver); -- cgit v1.2.3